diff options
Diffstat (limited to 'lib/asn1')
31 files changed, 1968 insertions, 2450 deletions
diff --git a/lib/asn1/c_src/Makefile b/lib/asn1/c_src/Makefile index 9e9cb18524..f7213b9651 100644 --- a/lib/asn1/c_src/Makefile +++ b/lib/asn1/c_src/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 2002-2010. All Rights Reserved. +# Copyright Ericsson AB 2002-2011. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -51,33 +51,26 @@ EI_LIBDIR = $(ERL_TOP)/lib/erl_interface/obj$(TYPEMARKER)/$(TARGET) # ---------------------------------------------------- # FLAGS # ---------------------------------------------------- -EI_INCLUDES = -I$(ERL_TOP)/lib/erl_interface/include CFLAGS = $(DED_INCLUDES) $(EI_INCLUDES) $(DED_CFLAGS) LDFLAGS += $(DED_LDFLAGS) -LD_INCL_EI = -L$(EI_LIBDIR) - # ---------------------------------------------------- # Target Specs # ---------------------------------------------------- -C_FILES = asn1_erl_driver.c +NIF_OBJ_FILES = $(OBJDIR)/asn1_erl_nif.o ifeq ($(TARGET),win32) -LD_EI = -lei_md -SHARED_OBJ_FILES = $(LIBDIR)/asn1_erl_drv.dll -OBJ_FILES = $(OBJDIR)/asn1_erl_drv.o +NIF_SHARED_OBJ_FILES = $(LIBDIR)/asn1_erl_nif.dll CLIB_FLAGS = LN=cp else -LD_EI = -lei -OBJ_FILES = $(OBJDIR)/asn1_erl_drv.o ifeq ($(findstring vxworks,$(TARGET)),vxworks) -SHARED_OBJ_FILES = $(LIBDIR)/asn1_erl_drv.eld +NIF_SHARED_OBJ_FILE = $(LIBDIR)/asn1_erl_nif.eld CLIB_FLAGS = else -SHARED_OBJ_FILES = $(LIBDIR)/asn1_erl_drv.so +NIF_SHARED_OBJ_FILE = $(LIBDIR)/asn1_erl_nif.so CLIB_FLAGS = -lc endif LN= ln -s @@ -87,7 +80,9 @@ endif # Targets # ---------------------------------------------------- -opt: $(OBJDIR) $(LIBDIR) $(SHARED_OBJ_FILES) +_create_dirs := $(shell mkdir -p $(OBJDIR) $(LIBDIR)) + +opt: $(NIF_SHARED_OBJ_FILE) debug: opt @@ -103,20 +98,12 @@ docs: # ---------------------------------------------------- -$(OBJ_FILES): $(C_FILES) - $(CC) -c $(CFLAGS) -o $(OBJ_FILES) $(C_FILES) - -$(SHARED_OBJ_FILES): $(OBJ_FILES) - $(LD) $(LDFLAGS) $(LD_INCL_EI) -o $(SHARED_OBJ_FILES) $(OBJ_FILES) $(LD_EI) $(CLIB_FLAGS) $(LIBS) - -$(LIBDIR): - -mkdir -p $(LIBDIR) - -$(OBJDIR): - -mkdir -p $(OBJDIR) +$(OBJDIR)/%.o: %.c + $(CC) -c $(CFLAGS) -O3 -o $@ $< +$(NIF_SHARED_OBJ_FILE): $(NIF_OBJ_FILES) + $(LD) $(LDFLAGS) -o $(NIF_SHARED_OBJ_FILE) $(NIF_OBJ_FILES) $(CLIB_FLAGS) $(LIBS) - # ---------------------------------------------------- # Release Target # ---------------------------------------------------- @@ -124,9 +111,9 @@ include $(ERL_TOP)/make/otp_release_targets.mk release_spec: opt $(INSTALL_DIR) $(RELSYSDIR)/priv/lib - $(INSTALL_PROGRAM) $(SHARED_OBJ_FILES) $(RELSYSDIR)/priv/lib + $(INSTALL_PROGRAM) $(NIF_SHARED_OBJ_FILE) $(RELSYSDIR)/priv/lib $(INSTALL_DIR) $(RELSYSDIR)/c_src - $(INSTALL_DATA) $(C_FILES) $(RELSYSDIR)/c_src + $(INSTALL_DATA) *.c $(RELSYSDIR)/c_src release_docs_spec: diff --git a/lib/asn1/c_src/asn1_erl_driver.c b/lib/asn1/c_src/asn1_erl_driver.c deleted file mode 100644 index 18d4157941..0000000000 --- a/lib/asn1/c_src/asn1_erl_driver.c +++ /dev/null @@ -1,1677 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 2002-2011. All Rights Reserved. - * - * The contents of this file are subject to the Erlang Public License, - * Version 1.1, (the "License"); you may not use this file except in - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. - * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. - * - * %CopyrightEnd% - * - */ -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include "erl_driver.h" -#include "ei.h" - - -/* #define ASN1_DEBUG 1 */ - -#define ASN1_OK 0 -#define ASN1_ERROR -1 -#define ASN1_COMPL_ERROR 1 -#define ASN1_MEMORY_ERROR 0 -#define ASN1_DECODE_ERROR 2 -#define ASN1_TAG_ERROR -3 -#define ASN1_LEN_ERROR -4 -#define ASN1_INDEF_LEN_ERROR -5 -#define ASN1_VALUE_ERROR -6 - - -#define ASN1_CLASS 0xc0 -#define ASN1_FORM 0x20 -#define ASN1_CLASSFORM (ASN1_CLASS | ASN1_FORM) -#define ASN1_TAG 0x1f -#define ASN1_LONG_TAG 0x7f - -#define ASN1_INDEFINITE_LENGTH 0x80 -#define ASN1_SHORT_DEFINITE_LENGTH 0 - -#define ASN1_PRIMITIVE 0 -#define ASN1_CONSTRUCTED 0x20 - -#define ASN1_COMPLETE 1 -#define ASN1_BER_TLV_DECODE 2 -#define ASN1_BER_TLV_PARTIAL_DECODE 3 - -#define ASN1_NOVALUE 0 - -#define ASN1_SKIPPED 0 -#define ASN1_OPTIONAL 1 -#define ASN1_CHOOSEN 2 - - -#define CEIL(X,Y) ((X-1) / Y + 1) - -#define INVMASK(X,M) (X & (M ^ 0xff)) -#define MASK(X,M) (X & M) - -typedef struct { - ErlDrvPort port; - int buffer_size; -} asn1_data; - -/* int min_alloc_bytes; */ - - -static ErlDrvData asn1_drv_start(ErlDrvPort, char *); - -static void asn1_drv_stop(ErlDrvData); - -int asn1_drv_control(ErlDrvData, unsigned int, char *, int, char **, int); - -int complete(ErlDrvBinary **,unsigned char *,unsigned char *, int); - -int insert_octets(int, unsigned char **, unsigned char **, int *); - -int insert_octets_except_unused(int, unsigned char **, unsigned char **, - int *, int); - -int insert_octets_as_bits_exact_len(int, int, unsigned char **, - unsigned char **, int *); - -int insert_octets_as_bits(int, unsigned char **, unsigned char **,int *); - -int pad_bits(int, unsigned char **, int *); - -int insert_least_sign_bits(int, unsigned char, unsigned char **, int *); - -int insert_most_sign_bits(int, unsigned char, unsigned char **, int *); - -int insert_bits_as_bits(int, int, unsigned char **, unsigned char **, int *); - -int insert_octets_unaligned(int, unsigned char **, unsigned char **, int); - -int realloc_decode_buf(ErlDrvBinary **,int); - -int realloc_memory(ErlDrvBinary **,int,unsigned char **,unsigned char **); - -int decode_begin(ErlDrvBinary **,unsigned char *, int, unsigned int *); - -int decode(ErlDrvBinary **,int *,unsigned char *,int *, int); - -int decode_tag(char *,int *,unsigned char *,int,int *); - -int decode_value(int *,unsigned char *,int *,ErlDrvBinary **,int ,int); - - -/* declaration of functions used for partial decode of a BER encoded - message */ - -int decode_partial(ErlDrvBinary **,unsigned char *, int); - -int skip_tag(unsigned char *,int *,int); - -int skip_length_and_value(unsigned char *,int *,int); - -int get_tag(unsigned char *,int *,int); - -int get_length(unsigned char *,int *,int *,int); - -int get_value(char *,unsigned char *,int *,int); - -static ErlDrvEntry asn1_drv_entry = { - NULL, /* init, always NULL for dynamic drivers */ - asn1_drv_start, /* start, called when port is opened */ - asn1_drv_stop, /* stop, called when port is closed */ - NULL, /* output, called when erlang has sent */ - NULL, /* ready_input, called when input descriptor ready */ - NULL, /* ready_output, called when output descriptor ready */ - "asn1_erl_drv", /* char *driver_name, the argument to open_port */ - NULL, /* finish, called when unloaded */ - NULL, /* void * that is not used (BC) */ - asn1_drv_control, /* control, port_control callback */ - NULL, /* timeout, called on timeouts */ - NULL, /* outputv, vector output interface */ - - NULL, /* ready_async */ - NULL, /* flush */ - NULL, /* call */ - NULL, /* event */ - ERL_DRV_EXTENDED_MARKER, - ERL_DRV_EXTENDED_MAJOR_VERSION, - ERL_DRV_EXTENDED_MINOR_VERSION, - ERL_DRV_FLAG_USE_PORT_LOCKING, - NULL, /* handle2 */ - NULL /* process_exit */ -}; - - - -DRIVER_INIT(asn1_erl_drv) /* must match name in driver_entry */ -{ - return &asn1_drv_entry; -} - -static ErlDrvData asn1_drv_start(ErlDrvPort port, char *buff) -{ - /* extern int min_alloc_bytes; */ - char *ptr; - asn1_data* d; - - d = (asn1_data*)driver_alloc(sizeof(asn1_data)); - set_port_control_flags(port, PORT_CONTROL_FLAG_BINARY); - d->port = port; - - if ((ptr = getenv("ASN1_MIN_BUF_SIZE")) == NULL) - d->buffer_size = 1024; - else - d->buffer_size = atoi(ptr); - return (ErlDrvData)d; -} - - -static void asn1_drv_stop(ErlDrvData handle) -{ - driver_free((char*)handle); -} - - - -int asn1_drv_control(ErlDrvData handle, - unsigned int command, - char *buf, - int buf_len, - char **res_buf, - int res_buf_len) -{ - unsigned char *complete_buf; - int complete_len, decode_len; - ErlDrvBinary *drv_binary; - ErlDrvBinary **drv_bin_ptr; - asn1_data* a_data; - int min_alloc_bytes; - unsigned int err_pos = 0; /* in case of error, return last correct position */ - int ret_err; /* return value in case of error in TLV decode, i.e. length of list in res_buf */ - - /* In case previous call to asn1_drv_control resulted in a change of - return value from binary to integer list */ - a_data = (asn1_data *)handle; - min_alloc_bytes = a_data->buffer_size; - set_port_control_flags(a_data->port, PORT_CONTROL_FLAG_BINARY); - - if (command == ASN1_COMPLETE) - { - if (buf_len==0) { - return 0; /* Avoid binary buffer overwrite (OTP-8451) */ - } - /* Do the PER complete encode step */ - if ((drv_binary = driver_alloc_binary(buf_len))==NULL) { - /* error handling */ - set_port_control_flags(a_data->port, 0); - return ASN1_MEMORY_ERROR; - } - complete_buf = (unsigned char*) drv_binary->orig_bytes; - if ((complete_len = complete(&drv_binary,complete_buf,(unsigned char*) buf,buf_len)) == ASN1_ERROR) - { - /* error handling due to failure in complete */ - /* printf("error when running complete\n\r"); */ - driver_free_binary(drv_binary); - set_port_control_flags(a_data->port, 0); - **res_buf = '1'; - return ASN1_COMPL_ERROR; - } - /* printf("complete_len=%dbuf_len=%d,orig_size=%d\n\r",complete_len,buf_len,drv_binary->orig_size); */ - /* now the message is complete packed, return to Erlang */ - /* if (complete_len < buf_len) {*/ - if (complete_len < drv_binary->orig_size) { - ErlDrvBinary *tmp; - if ((tmp=driver_realloc_binary(drv_binary,complete_len)) == NULL){ - /*error handling due to memory allocation failure */ - driver_free_binary(drv_binary); - set_port_control_flags(a_data->port, 0); - return ASN1_MEMORY_ERROR; - }else - drv_binary=tmp; - } - *res_buf = (char *)drv_binary; - return complete_len; - } else if (command == ASN1_BER_TLV_DECODE) { /* control == 2 */ - /* Do the tlv decode, - return the resulting term encoded on the Erlang - external format */ -/* printf("driver: buffer_len = %d, min_alloc_bytes = %d\r\n",buf_len,min_alloc_bytes); */ - if ((drv_binary = driver_alloc_binary((buf_len*5)+min_alloc_bytes))==NULL) { - /* error handling */ - set_port_control_flags(a_data->port, 0); - return ASN1_MEMORY_ERROR; - } - drv_bin_ptr = &drv_binary; - if ((decode_len = decode_begin(drv_bin_ptr,(unsigned char*)buf,buf_len,&err_pos)) <= ASN1_ERROR) - { - /* error handling due to failure in decode */ - char tmp_res_buf[5]; - driver_free_binary(*drv_bin_ptr); - set_port_control_flags(a_data->port, 0); - - if(decode_len==ASN1_ERROR) - tmp_res_buf[0]='1'; - else if(decode_len==ASN1_TAG_ERROR) - tmp_res_buf[0]='2'; - else if(decode_len==ASN1_LEN_ERROR) - tmp_res_buf[0]='3'; - else if(decode_len==ASN1_INDEF_LEN_ERROR) - tmp_res_buf[0]='4'; - else if(decode_len==ASN1_VALUE_ERROR) - tmp_res_buf[0]='5'; -/* printf("err_pos=%d\r\n",err_pos); */ -/* printf("decode_len:%d\r\n",decode_len); */ - ret_err = 1; - while(err_pos>0){ - tmp_res_buf[ret_err] =(char)err_pos;/* c;*/ - err_pos = err_pos >> 8; - ret_err++; - } - strncpy(*res_buf,tmp_res_buf,ret_err); - return ret_err; - } -/* printf("decode_len=%d\r\n",decode_len); */ - if (decode_len < ((buf_len * 5) + min_alloc_bytes)) { - /* not all memory was used => we have to reallocate */ - ErlDrvBinary *tmp; - if ((tmp=driver_realloc_binary(*drv_bin_ptr,decode_len)) == NULL){ - /*error handling due to memory allocation failure */ - driver_free_binary(*drv_bin_ptr); - set_port_control_flags(a_data->port, 0); - return ASN1_MEMORY_ERROR; - }else - *drv_bin_ptr=tmp; - } - *res_buf = (char *)(*drv_bin_ptr); - return decode_len; - } else { /*command == ASN1_BER_TLV_PARTIAL_DECODE */ - if ((drv_binary = driver_alloc_binary(buf_len))==NULL) { - /* error handling */ - set_port_control_flags(a_data->port, 0); - return ASN1_MEMORY_ERROR; - } - drv_bin_ptr = &drv_binary; - if ((decode_len = decode_partial(drv_bin_ptr,(unsigned char*)buf,buf_len)) - <= ASN1_ERROR) { - /* error handling due to failure in decode */ - driver_free_binary(*drv_bin_ptr); - set_port_control_flags(a_data->port, 0); - -/* printf("asn1_drv_control 1: decode_len=%d\r\n",decode_len); */ - - if(decode_len==ASN1_ERROR) - **res_buf = '1'; - return ASN1_DECODE_ERROR; - } - if (decode_len < buf_len) { - /* not all memory was used => we have to reallocate */ - ErlDrvBinary *tmp; -/* printf("asn1_drv_control 2: decode_len=%d\r\n",decode_len); */ - if ((tmp=driver_realloc_binary(*drv_bin_ptr,decode_len)) == NULL){ - /*error handling due to memory allocation failure */ - driver_free_binary(*drv_bin_ptr); - set_port_control_flags(a_data->port, 0); - return ASN1_MEMORY_ERROR; - }else - *drv_bin_ptr=tmp; - } - *res_buf = (char *)(*drv_bin_ptr); - return decode_len; - } -} - - - -/* - * - * This section defines functionality for the complete encode of a - * PER encoded message - * - */ - -int complete(ErlDrvBinary **drv_binary,unsigned char *complete_buf, - unsigned char *in_buf, int in_buf_len) -{ - int counter = in_buf_len; - /* counter keeps track of number of bytes left in the - input buffer */ - - int buf_space = in_buf_len; - /* This is the amount of allocated space left of the complete_buf. It - is possible when padding is applied that more space is needed than - was originally allocated. */ - - int buf_size = in_buf_len; - /* Size of the buffer. May become reallocated and thus other than - in_buf_len */ - - unsigned char *in_ptr, *ptr; - /* in_ptr points at the next byte in in_buf to be moved to - complete_buf. - ptr points into the new completed buffer, complete_buf, at the - position of the next byte that will be set */ - int unused = 8; - /* unused = [1,...,8] indicates how many of the rigthmost bits of - the byte that ptr points at that are unassigned */ - - int no_bits,no_bytes,in_unused,desired_len,ret, saved_mem, needed, pad_bits; - - unsigned char val; - - in_ptr = in_buf; - ptr = complete_buf; - *ptr = 0x00; - while(counter > 0) { - counter--; -/* printf("*in_ptr = %d\n\r",*in_ptr); */ - switch (*in_ptr) { - case 0: - /* just one zero-bit should be added to the buffer */ - if(unused == 1){ - unused = 8; - *++ptr = 0x00; - buf_space--; - } else - unused--; - break; - - case 1: - /* one one-bit should be added to the buffer */ - if(unused == 1){ - *ptr = *ptr | 1; - unused = 8; - *++ptr = 0x00; - buf_space--; - } else { - *ptr = *ptr | (1 << (unused - 1)); - unused--; - } - break; - - case 2: - /* align buffer to end of byte */ - if (unused != 8) { - *++ptr = 0x00; - buf_space--; - unused = 8; - } - break; - - case 10: - /* next byte in in_buf tells how many bits in the second next - byte that will be used */ - /* The leftmost unused bits in the value byte are supposed to be - zero bits */ - no_bits = (int)*(++in_ptr); - val = *(++in_ptr); - counter -= 2; - if ((ret=insert_least_sign_bits(no_bits,val,&ptr,&unused)) == ASN1_ERROR) - return ASN1_ERROR; - buf_space -= ret; - break; - - case 20: - /* in this case the next value in_ptr points at holds the number - of following bytes that holds the value that will be inserted - in the completed buffer */ - no_bytes = (int)*(++in_ptr); - counter -= (no_bytes + 1); - if ((counter<0) || - (ret=insert_octets(no_bytes,&in_ptr,&ptr,&unused)) == ASN1_ERROR) - return ASN1_ERROR; - buf_space -= ret; - break; - - case 21: - /* in this case the next two bytes in_ptr points at holds the number - of following bytes that holds the value that will be inserted - in the completed buffer */ - no_bytes = (int)*(++in_ptr); - no_bytes = no_bytes << 8; - no_bytes = no_bytes | (int)*(++in_ptr); - counter -= (2 + no_bytes); - if ((counter<0) || - (ret=insert_octets(no_bytes,&in_ptr,&ptr,&unused)) == ASN1_ERROR) - return ASN1_ERROR; - buf_space -= ret; - break; - - case 30: - /* If we call the following bytes, in the buffer in_ptr points at, - By1,By2,Rest then Rest is the value that will be transfered to - the completed buffer. By1 tells how many of the rightmost bits in - Rest that should not be used. By2 is the length of Rest in bytes.*/ - in_unused = (int)*(++in_ptr); - no_bytes = (int)*(++in_ptr); - counter -= (2 + no_bytes); -/* printf("%d: case 30: in_unused=%d, no_bytes=%d,counter=%d\n\r",__LINE__,in_unused,no_bytes,counter); */ - ret = -4711; - if ((counter<0) || - (ret=insert_octets_except_unused(no_bytes,&in_ptr,&ptr,&unused,in_unused)) == ASN1_ERROR) - return ASN1_ERROR; -/* printf("%d: ret=%d\n\r",__LINE__, ret); */ - buf_space -= ret; - break; - - case 31: - /* If we call the following bytes, in the buffer in_ptr points at, - By1,By2,By3,Rest then Rest is the value that will be transfered to - the completed buffer. By1 tells how many of the rightmost bits in - Rest that should not be used. By2 and By3 is the length of - Rest in bytes.*/ - in_unused = (int)*(++in_ptr); - no_bytes = (int)*(++in_ptr); - no_bytes = no_bytes << 8; - no_bytes = no_bytes | (int)*(++in_ptr); - counter -= (3 + no_bytes); - if ((counter<0) || - (ret=insert_octets_except_unused(no_bytes,&in_ptr,&ptr,&unused,in_unused)) == ASN1_ERROR) - return ASN1_ERROR; - buf_space -= ret; - break; - - case 40: - /* This case implies that next byte,By1,(..,By1,By2,Bin,...) - is the desired length of the completed value, maybe needs - padding zero bits or removal of trailing zero bits from Bin. - By2 is the length of Bin and Bin is the value that will be - put into the completed buffer. Each byte in Bin has the value - 1 or 0.*/ - desired_len = (int)*(++in_ptr); - no_bytes=(int)*(++in_ptr); - - /* This is the algorithm for need of memory reallocation: - Only when padding (cases 40 - 43,45 - 47) more memory may be - used than allocated. Therefore one has to keep track of how - much of the allocated memory that has been saved, i.e. the - difference between the number of parsed bytes of the input buffer - and the number of used bytes of the output buffer. - If saved memory is less than needed for the padding then we - need more memory. */ - saved_mem = buf_space - counter; - pad_bits = desired_len - no_bytes - unused; - needed = (pad_bits > 0) ? CEIL(pad_bits,8) : 0; - if (saved_mem < needed) { - /* Have to allocate more memory */ - buf_size += needed; - buf_space += needed; - if (realloc_memory(drv_binary,buf_size,&ptr, - &complete_buf) == ASN1_ERROR) - return ASN1_ERROR; - } - - counter -= (2 + no_bytes); - if ((counter<0) || - (ret=insert_octets_as_bits_exact_len(desired_len,no_bytes,&in_ptr, - &ptr,&unused)) == ASN1_ERROR) - return ASN1_ERROR; - buf_space -= ret; - break; - - case 41: - /* Same as case 40 apart from By2, the length of Bin, which is in - two bytes*/ - desired_len = (int)*(++in_ptr); - no_bytes=(int)*(++in_ptr); - no_bytes = no_bytes << 8; - no_bytes = no_bytes | (int)*(++in_ptr); - - saved_mem = buf_space - counter; - needed = CEIL((desired_len-unused),8) - no_bytes; - if (saved_mem < needed) { - /* Have to allocate more memory */ - buf_size += needed; - buf_space += needed; - if (realloc_memory(drv_binary,buf_size,&ptr, - &complete_buf) == ASN1_ERROR) - return ASN1_ERROR; - } - - counter -= (3 + no_bytes); - if ((counter<0) || - (ret=insert_octets_as_bits_exact_len(desired_len,no_bytes,&in_ptr, - &ptr,&unused)) == ASN1_ERROR) - return ASN1_ERROR; - buf_space -= ret; - break; - - case 42: - /* Same as case 40 apart from By1, the desired length, which is in - two bytes*/ - desired_len = (int)*(++in_ptr); - desired_len = desired_len << 8; - desired_len = desired_len | (int)*(++in_ptr); - no_bytes=(int)*(++in_ptr); - - saved_mem = buf_space - counter; - needed = CEIL((desired_len-unused),8) - no_bytes; - if (saved_mem < needed) { - /* Have to allocate more memory */ - buf_size += needed; - buf_space += needed; - if (realloc_memory(drv_binary,buf_size,&ptr, - &complete_buf) == ASN1_ERROR) - return ASN1_ERROR; - } - - counter -= (3 + no_bytes); - if ((counter<0) || - (ret=insert_octets_as_bits_exact_len(desired_len,no_bytes,&in_ptr, - &ptr,&unused)) == ASN1_ERROR) - return ASN1_ERROR; - buf_space -= ret; - break; - - case 43: - /* Same as case 40 apart from By1 and By2, the desired length and - the length of Bin, which are in two bytes each. */ - desired_len = (int)*(++in_ptr); - desired_len = desired_len << 8; - desired_len = desired_len | (int)*(++in_ptr); - no_bytes=(int)*(++in_ptr); - no_bytes = no_bytes << 8; - no_bytes = no_bytes | (int)*(++in_ptr); - - saved_mem = buf_space - counter; - needed = CEIL((desired_len-unused),8) - no_bytes; - if (saved_mem < needed) { - /* Have to allocate more memory */ - buf_size += needed; - buf_space += needed; - if (realloc_memory(drv_binary,buf_size,&ptr, - &complete_buf) == ASN1_ERROR) - return ASN1_ERROR; - } - - counter -= (4 + no_bytes); - if ((counter<0) || - (ret=insert_octets_as_bits_exact_len(desired_len,no_bytes,&in_ptr, - &ptr,&unused)) == ASN1_ERROR) - return ASN1_ERROR; - buf_space -= ret; - break; - - case 45: - /* This case assumes that the following bytes in the incoming buffer - (called By1,By2,Bin) is By1, which is the number of bits (n) that - will be inserted in the completed buffer. By2 is the number of - bytes in Bin. Each bit in the buffer Bin should be inserted from - the leftmost until the nth.*/ - desired_len = (int)*(++in_ptr); - no_bytes=(int)*(++in_ptr); - - saved_mem = buf_space - counter; - needed = CEIL((desired_len-unused),8) - no_bytes; -/* printf("buf_space=%d, counter=%d, needed=%d",buf_space,counter,needed); */ - if (saved_mem < needed) { - /* Have to allocate more memory */ - buf_size += needed; - buf_space += needed; - if (realloc_memory(drv_binary,buf_size,&ptr, - &complete_buf) == ASN1_ERROR) - return ASN1_ERROR; - } - - counter -= (2 + no_bytes); -/* printf("calling insert_bits_as_bits: desired_len=%d, no_bytes=%d\n\r",desired_len,no_bytes); */ -/* printf("1in_ptr=%d\n\r",in_ptr); */ - - if((counter<0) || - (ret=insert_bits_as_bits(desired_len,no_bytes,&in_ptr, - &ptr,&unused)) == ASN1_ERROR) - return ASN1_ERROR; -/* printf("2in_ptr=%d, ptr=%d, complete_buf=%d\n\r",in_ptr,ptr,complete_buf); */ -/* printf("buf_space=%d, ret=%d, counter=%d\n\r",buf_space,ret,counter); */ - buf_space -= ret; - break; - - case 46: - /* Same as case 45 apart from By1, the desired length, which is - in two bytes. */ - desired_len = (int)*(++in_ptr); - desired_len = desired_len << 8; - desired_len = desired_len | (int)*(++in_ptr); - no_bytes=(int)*(++in_ptr); - - saved_mem = buf_space - counter; - needed = CEIL((desired_len-unused),8) - no_bytes; - if (saved_mem < needed) { - /* Have to allocate more memory */ - buf_size += needed; - buf_space += needed; - if (realloc_memory(drv_binary,buf_size,&ptr, - &complete_buf) == ASN1_ERROR) - return ASN1_ERROR; - } - - counter -= (3 + no_bytes); - if((counter<0) || - (ret=insert_bits_as_bits(desired_len,no_bytes,&in_ptr, - &ptr,&unused)) == ASN1_ERROR) - return ASN1_ERROR; - buf_space -= ret; - break; - - case 47: - /* Same as case 45 apart from By1 and By2, the desired length - and the length of Bin, which are in two bytes each. */ - desired_len = (int)*(++in_ptr); - desired_len = desired_len << 8; - desired_len = desired_len | (int)*(++in_ptr); - no_bytes=(int)*(++in_ptr); - no_bytes = no_bytes << 8; - no_bytes = no_bytes | (int)*(++in_ptr); - - saved_mem = buf_space - counter; - needed = CEIL((desired_len-unused),8) - no_bytes; - if (saved_mem < needed) { - /* Have to allocate more memory */ - buf_size += needed; - buf_space += needed; - if (realloc_memory(drv_binary,buf_size,&ptr, - &complete_buf) == ASN1_ERROR) - return ASN1_ERROR; - } - - counter -= (4 + no_bytes); - if((counter<0) || - (ret=insert_bits_as_bits(desired_len,no_bytes,&in_ptr, - &ptr,&unused)) == ASN1_ERROR) - return ASN1_ERROR; - buf_space -= ret; - break; - - default: - return ASN1_ERROR; - } - in_ptr++; - } - /* The returned buffer must be at least one byte and - it must be octet aligned */ - if ((unused == 8) && (ptr != complete_buf)) - return (ptr - complete_buf); - else { - ptr++; /* octet align buffer */ - return (ptr - complete_buf); - } -} - - -int realloc_memory(ErlDrvBinary **drv_binary, - int amount, - unsigned char **ptr, - unsigned char **complete_buf) { - - ErlDrvBinary *tmp_bin; - int i; - -/* printf("realloc_momory: amount = %d\n",amount); */ - if ((tmp_bin=driver_realloc_binary(*drv_binary,amount)) == NULL) { - /*error handling due to memory allocation failure */ -/* printf("error when allocating memory\n"); */ - return ASN1_ERROR; - }else { - i = *ptr - *complete_buf; - *drv_binary=tmp_bin; - *complete_buf = (unsigned char*)(*drv_binary)->orig_bytes; - *ptr = *complete_buf + i; - } - return ASN1_OK; -} - - -int insert_most_sign_bits(int no_bits, - unsigned char val, - unsigned char **output_ptr, - int *unused) { - unsigned char *ptr = *output_ptr; - - if (no_bits < *unused){ - *ptr = *ptr | (val >> (8 - *unused)); - *unused -= no_bits; - } else if (no_bits == *unused) { - *ptr = *ptr | (val >> (8 - *unused)); - *unused = 8; - *++ptr = 0x00; - } else { - *ptr = *ptr | (val >> (8 - *unused)); - *++ptr = 0x00; - *ptr = *ptr | (val << *unused); - *unused = 8 - (no_bits - *unused); - } - *output_ptr = ptr; - return ASN1_OK; -} - - -int insert_least_sign_bits(int no_bits, - unsigned char val, - unsigned char **output_ptr, - int *unused) { - unsigned char *ptr = *output_ptr; - int ret = 0; - - if (no_bits < *unused){ - *ptr = *ptr | (val << (*unused - no_bits)); - *unused -= no_bits; - } else if (no_bits == *unused){ - *ptr = *ptr | val; - *unused = 8; - *++ptr = 0x00; - ret++; - } else { - /* first in the begun byte in the completed buffer insert - so many bits that fit, then insert the rest in next byte.*/ - *ptr = *ptr | (val >> (no_bits - *unused)); - *++ptr = 0x00; - ret++; - *ptr = *ptr | (val << (8 - (no_bits - *unused))); - *unused = 8 - (no_bits - *unused); - } - *output_ptr = ptr; - return ret; -} - -/* pad_bits adds no_bits bits in the buffer that output_ptr - points at. - */ -int pad_bits(int no_bits, unsigned char **output_ptr, int *unused) - { - unsigned char *ptr = *output_ptr; - int ret = 0; - - while (no_bits > 0) { - if(*unused == 1){ - *unused = 8; - *++ptr = 0x00; - ret++; - } else - (*unused)--; - no_bits--; - } - *output_ptr = ptr; - return ret; - } - - -/* insert_bits_as_bits removes no_bytes bytes from the buffer that in_ptr - points at and takes the desired_no leftmost bits from those removed - bytes and inserts them in the buffer(output buffer) that ptr points at. - The unused parameter tells how many bits that are not set in the - actual byte in the output buffer. If desired_no is more bits than the - input buffer has in no_bytes bytes, then zero bits is padded.*/ -int insert_bits_as_bits(int desired_no, - int no_bytes, - unsigned char **input_ptr, - unsigned char **output_ptr, - int *unused) -{ - unsigned char *in_ptr = *input_ptr; - unsigned char val; - int no_bits, ret, ret2; - - if (desired_no == (no_bytes * 8)) { - if(insert_octets_unaligned(no_bytes,&in_ptr,output_ptr,*unused) - == ASN1_ERROR) - return ASN1_ERROR; - ret = no_bytes; - } - else if (desired_no < (no_bytes * 8)) { -/* printf("insert_bits_as_bits 1\n\r"); */ - if(insert_octets_unaligned(desired_no/8,&in_ptr,output_ptr,*unused) - == ASN1_ERROR) - return ASN1_ERROR; -/* printf("insert_bits_as_bits 2\n\r"); */ - val = *++in_ptr; -/* printf("val = %d\n\r",(int)val); */ - no_bits = desired_no % 8; -/* printf("no_bits = %d\n\r",no_bits); */ - insert_most_sign_bits(no_bits,val,output_ptr,unused); - ret = CEIL(desired_no,8); - } - else { - if(insert_octets_unaligned(no_bytes,&in_ptr,output_ptr,*unused) - == ASN1_ERROR) - return ASN1_ERROR; - ret2 = pad_bits(desired_no - (no_bytes * 8),output_ptr,unused); -/* printf("ret2 = %d\n\r",ret2); */ - ret = CEIL(desired_no,8); -/* printf("ret = %d\n\r",ret); */ - } -/* printf("*unused = %d\n\r",*unused); */ - *input_ptr = in_ptr; - return ret; -} - - -/* insert_octets_as_bits_exact_len */ -int -insert_octets_as_bits_exact_len(int desired_len, - int in_buff_len, - unsigned char **in_ptr, - unsigned char **ptr, - int *unused) -{ - int ret = 0; - int ret2 = 0; - - if (desired_len == in_buff_len) { - if ((ret = insert_octets_as_bits(in_buff_len,in_ptr,ptr,unused)) == ASN1_ERROR) - return ASN1_ERROR; - } - else if(desired_len > in_buff_len) { - if((ret = insert_octets_as_bits(in_buff_len,in_ptr,ptr,unused)) == ASN1_ERROR) - return ASN1_ERROR; - /* now pad with zero bits */ -/* printf("~npad_bits: called with %d bits padding~n~n~r",desired_len - in_buff_len); */ - if ((ret2=pad_bits(desired_len - in_buff_len,ptr,unused)) == ASN1_ERROR) - return ASN1_ERROR; - } - else {/* desired_len < no_bits */ - if ((ret=insert_octets_as_bits(desired_len,in_ptr,ptr,unused)) == ASN1_ERROR) - return ASN1_ERROR; - /* now remove no_bits - desired_len bytes from in buffer */ - *in_ptr += (in_buff_len - desired_len); - } - return (ret+ret2); -} - - - -/* insert_octets_as_bits takes no_bytes bytes from the buffer that input_ptr - points at and inserts the least significant bit of it in the buffer that - output_ptr points at. Each byte in the input buffer must be 1 or 0 - otherwise the function returns ASN1_ERROR. The output buffer is concatenated - without alignment. - */ -int insert_octets_as_bits(int no_bytes, - unsigned char **input_ptr, - unsigned char **output_ptr, - int *unused) -{ - unsigned char *in_ptr = *input_ptr; - unsigned char *ptr = *output_ptr; - int used_bits = 8 - *unused; - - while (no_bytes > 0) { - switch (*++in_ptr) { - case 0: - if(*unused == 1){ - *unused = 8; - *++ptr = 0x00; - } else - (*unused)--; - break; - case 1: - if(*unused == 1){ - *ptr = *ptr | 1; - *unused = 8; - *++ptr = 0x00; - } else { - *ptr = *ptr | (1 << (*unused - 1)); - (*unused)--; - } - break; - default: - return ASN1_ERROR; - } - no_bytes--; - } - *input_ptr = in_ptr; - *output_ptr = ptr; - return ((used_bits+no_bytes) / 8); /*return number of new bytes - in completed buffer */ -} - -/* insert_octets inserts bytes from the input buffer, *input_ptr, - into the output buffer, *output_ptr. Before the first byte is - inserted the input buffer is aligned. - */ -int insert_octets(int no_bytes, - unsigned char **input_ptr, - unsigned char **output_ptr, - int *unused) -{ - unsigned char *in_ptr = *input_ptr; - unsigned char *ptr = *output_ptr; - int ret = 0; - - if (*unused != 8) {/* must align before octets are added */ - *++ptr = 0x00; - ret++; - *unused = 8; - } - while(no_bytes > 0) { - *ptr = *(++in_ptr); - *++ptr = 0x00; - /* *unused = *unused - 1; */ - no_bytes--; - } - *input_ptr = in_ptr; - *output_ptr = ptr; - return (ret + no_bytes); -} - -/* insert_octets_unaligned inserts bytes from the input buffer, *input_ptr, - into the output buffer, *output_ptr.No alignment is done. - */ -int insert_octets_unaligned(int no_bytes, - unsigned char **input_ptr, - unsigned char **output_ptr, - int unused) -{ - unsigned char *in_ptr = *input_ptr; - unsigned char *ptr = *output_ptr; - int n = no_bytes; - unsigned char val; - - while (n > 0) { - if (unused == 8) { - *ptr = *++in_ptr; - *++ptr = 0x00; - }else { - val = *++in_ptr; - *ptr = *ptr | val >> (8 - unused); - *++ptr = 0x00; - *ptr = val << unused; - } - n--; - } - *input_ptr = in_ptr; - *output_ptr = ptr; - return no_bytes; -} - - -int insert_octets_except_unused(int no_bytes, - unsigned char **input_ptr, - unsigned char **output_ptr, - int *unused, - int in_unused) -{ - unsigned char *in_ptr = *input_ptr; - unsigned char *ptr = *output_ptr; - int val, no_bits; - int ret = 0; - - if (in_unused == 0){ -/* printf("%d: insert_octets_except_unused: if\n\r",__LINE__); */ - if ((ret = insert_octets_unaligned(no_bytes,&in_ptr,&ptr, - *unused)) == ASN1_ERROR) - return ASN1_ERROR; - } - else { -/* printf("%d: insert_octets_except_unused: else\n\r",__LINE__); */ - if ((ret=insert_octets_unaligned(no_bytes - 1,&in_ptr,&ptr,*unused)) != ASN1_ERROR) { - val = (int) *(++in_ptr); - no_bits = 8 - in_unused; - /* no_bits is always less than *unused since the buffer is - octet aligned after insert:octets call, so the following - if clasuse is obsolete I think */ - if(no_bits < *unused){ - *ptr = *ptr | (val >> (8 - *unused)); - *unused = *unused - no_bits; - } else if (no_bits == *unused) { - *ptr = *ptr | (val >> (8 - *unused)); - *++ptr = 0x00; - ret++; - *unused = 8; - } else { - *ptr = *ptr | (val >> (8 - *unused)); - *++ptr = 0x00; - ret++; - *ptr = *ptr | (val << *unused); - *unused = 8 - (no_bits - *unused); - } - } else - return ASN1_ERROR; - } - *input_ptr = in_ptr; - *output_ptr = ptr; -/* printf("%d: insert_octets_except_unused: ret=%d\n\r",__LINE__,ret); */ - return ret; -} - - - -/* - * - * This section defines functionality for the partial decode of a - * BER encoded message - * - */ - -/* - * int decode(ErlDrvBinary **drv_binary,unsigned char *decode_buf, - * unsigned char *in_buf, int in_buf_len) - * drv_binary is a pointer to a pointer to an allocated driver binary. - * in_buf is a pointer into the buffer of incoming bytes. - * in_buf_len is the length of the incoming buffer. - * The function reads the bytes in the incoming buffer and structures - * it in a nested way as Erlang terms. The buffer contains data in the - * order tag - length - value. Tag, length and value has the following - * format: - * A tag is normally one byte but may be of any length, if the tag number - * is greater than 30. +----------+ - * |CL|C|NNNNN| - * +----------+ - * If NNNNN is 31 then will the 7 l.s.b of each of the following tag number - * bytes contain the tag number. Each tag number byte that is not the last one - * has the m.s.b. set to 1. - * The length can be short definite length (sdl), long definite length (ldl) - * or indefinite length (il). - * sdl: +---------+ the L bits is the length - * |0|LLLLLLL| - * +---------+ - * ldl: +---------+ +---------+ +---------+ +-----------+ - * |1|lllllll| |first len| | | |the Nth len| - * +---------+ +---------+ +---------+ ... +-----------+ - * The first byte tells how many len octets will follow, max 127 - * il: +---------+ +----------------------+ +--------+ +--------+ - * |1|0000000| |content octets (Value)| |00000000| |00000000| - * +---------+ +----------------------+ +--------+ +--------+ - * The value octets are preceded by one octet and followed by two - * exactly as above. The value must be some tag-length-value encoding. - * - * The function returns a value in Erlnag term format: - * {{TagNo,Value},Rest} - * TagNo is an integer ((CL bsl 16) + tag number) which limits the tag number - * to 65535. - * Value is a binary if the C bit in tag was unset, otherwise (if tag was - * constructed) Value is a list, List. - * List is like: [{TagNo,Value},{TagNo,Value},...] - * Rest is a binary, i.e. the undecoded part of the buffer. Most often Rest - * is the empty binary. - * If some error occured during the decoding of the in_buf an error is returned. - */ -int decode_begin(ErlDrvBinary **drv_binary,unsigned char *in_buf, int in_buf_len, unsigned int *err_pos) -{ - int maybe_ret; - char *decode_buf = (*drv_binary)->orig_bytes; - int ei_index = 0; - int ib_index = 0; - /* ei_index is the index used by the ei functions to encode an - Erlang term into the buffer decode_buf */ - /* ib_index is the index were to read the next byte from in_buf */ - - -#ifdef ASN1_DEBUG - printf("decode_begin1: ei_index=%d, ib_index=%d\n\r",ei_index,ib_index); -#endif - /* the first byte must be a "version magic" */ - if(ei_encode_version(decode_buf,&ei_index) == ASN1_ERROR) - return ASN1_ERROR; /* 1 byte */ -#ifdef ASN1_DEBUG - printf("decode_begin2: ei_index=%d, ib_index=%d\n\r",ei_index,ib_index); -#endif - if (ei_encode_tuple_header(decode_buf,&ei_index,2) == ASN1_ERROR) - return ASN1_ERROR; /* 2 bytes */ -#ifdef ASN1_DEBUG - printf("decode_begin3: ei_index=%d, ib_index=%d\n\r",ei_index,ib_index); -#endif - if((maybe_ret=decode(drv_binary,&ei_index,in_buf,&ib_index,in_buf_len)) <= ASN1_ERROR) - { - *err_pos = ib_index; -#ifdef ASN1_DEBUG - printf("err_pos=%d,ib_index=%d\r\n",*err_pos,ib_index); -#endif - return maybe_ret; - }; - - decode_buf = (*drv_binary)->orig_bytes; /* maybe a realloc during decode_value */ -#ifdef ASN1_DEBUG - printf("decode_begin4: in_buf_len=%d, ei_index=%d, ib_index=%d\n\r", - in_buf_len,ei_index,ib_index); -#endif - /* "{{TagNo,Value},Rest}" */ - if (ei_encode_binary(decode_buf,&ei_index,&(in_buf[ib_index]),in_buf_len-ib_index) - == ASN1_ERROR) /* at least 5 bytes */ - return ASN1_ERROR; -#ifdef ASN1_DEBUG - printf("decode_begin5: ei_index=%d, ib_index=%d\n\r",ei_index,ib_index); -#endif - return ei_index; -} - -int decode(ErlDrvBinary **drv_binary,int *ei_index,unsigned char *in_buf, - int *ib_index, int in_buf_len) -{ - int maybe_ret; - char *decode_buf = (*drv_binary)->orig_bytes; - int form; -#ifdef ASN1_DEBUG - printf("decode 1\n\r"); -#endif - if (((*drv_binary)->orig_size - *ei_index) < 19) {/* minimum amount of bytes */ - /* allocate more memory */ - if (realloc_decode_buf(drv_binary,(*drv_binary)->orig_size * 2) == - ASN1_ERROR) - return ASN1_ERROR; - decode_buf = (*drv_binary)->orig_bytes; - } -/* printf("decode 2\n\r"); */ - /* "{" */ - if (ei_encode_tuple_header(decode_buf,ei_index,2) == ASN1_ERROR) - return ASN1_ERROR; /* 2 bytes */ -#ifdef ASN1_DEBUG - printf("decode 3:orig_size=%ld, ei_index=%d, ib_index=%d\n\r",(*drv_binary)->orig_size,*ei_index,*ib_index); -#endif - - /*buffer must hold at least two bytes*/ - if ((*ib_index +2) > in_buf_len) - return ASN1_VALUE_ERROR; - /* "{{TagNo," */ - if ((form = decode_tag(decode_buf,ei_index,in_buf,in_buf_len,ib_index)) <= ASN1_ERROR) - return form; /* 5 bytes */ -#ifdef ASN1_DEBUG - printf("i_i=%d,in_buf_len=%d\r\n",*ei_index,in_buf_len); -#endif - if (*ib_index >= in_buf_len){ - return ASN1_TAG_ERROR; - } -#ifdef ASN1_DEBUG - printf("decode 5 ib_index=%d\n\r",*ib_index); -#endif - /* buffer must hold at least one byte (0 as length and nothing as - value) */ - /* "{{TagNo,Value}," */ - if ((maybe_ret=decode_value(ei_index,in_buf,ib_index,drv_binary,form, - in_buf_len)) <= ASN1_ERROR) - return maybe_ret; /* at least 5 bytes */ -#ifdef ASN1_DEBUG - printf("decode 7\n\r"); -#endif - return *ei_index; -} - -/* - * decode_tag decodes the BER encoded tag in in_buf and puts it in the - * decode_buf encoded by the Erlang extern format as an Erlang term. - */ -int decode_tag(char *decode_buf,int *db_index,unsigned char *in_buf, - int in_buf_len, int *ib_index) -{ - int tag_no, tmp_tag, form; - - - /* first get the class of tag and bit shift left 16*/ - tag_no = ((MASK(in_buf[*ib_index],ASN1_CLASS)) << 10); - - form = (MASK(in_buf[*ib_index],ASN1_FORM)); -#ifdef ASN1_DEBUG - printf("decode_tag0:ii=%d, tag_no=%d, form=%d.\r\n", - *ib_index,tag_no,form); -#endif - - /* then get the tag number */ - if((tmp_tag = (int) INVMASK(in_buf[*ib_index],ASN1_CLASSFORM)) < 31) { - ei_encode_ulong(decode_buf,db_index,tag_no+tmp_tag); /* usual case */ - (*ib_index)++; -#ifdef ASN1_DEBUG - printf("decode_tag1:ii=%d.\r\n",*ib_index); -#endif - } - else - { - int n = 0; /* n is used to check that the 64K limit is not - exceeded*/ -#ifdef ASN1_DEBUG - printf("decode_tag1:ii=%d, in_buf_len=%d.\r\n",*ib_index,in_buf_len); -#endif - - /* should check that at least three bytes are left in - in-buffer,at least two tag byte and at least one length byte */ - if ((*ib_index +3) > in_buf_len) - return ASN1_VALUE_ERROR; - (*ib_index)++; -#ifdef ASN1_DEBUG - printf("decode_tag2:ii=%d.\r\n",*ib_index); -#endif - /* The tag is in the following bytes in in_buf as - 1ttttttt 1ttttttt ... 0ttttttt, where the t-bits - is the tag number*/ - /* In practice is the tag size limited to 64K, i.e. 16 bits. If - the tag is greater then 64K return an error */ - while (((tmp_tag = (int)in_buf[*ib_index]) >= 128) && n < 2){ - /* m.s.b. = 1 */ - tag_no = tag_no + (MASK(tmp_tag,ASN1_LONG_TAG) << 7); - (*ib_index)++; -#ifdef ASN1_DEBUG - printf("decode_tag3:ii=%d.\r\n",*ib_index); -#endif - n++; - }; - if ((n==2) && in_buf[*ib_index] > 3) - return ASN1_TAG_ERROR; /* tag number > 64K */ - tag_no = tag_no + in_buf[*ib_index]; - (*ib_index)++; -#ifdef ASN1_DEBUG - printf("decode_tag4:ii=%d.\r\n",*ib_index); -#endif - ei_encode_ulong(decode_buf,db_index,tag_no); - } - return form; -} - - -/* - * decode_value decodes the BER encoded length and value fields in the - * in_buf and puts the value part in the decode_buf as an Erlang term - * encoded by the Erlang extern format - */ -int decode_value(int *ei_index,unsigned char *in_buf, - int *ib_index,ErlDrvBinary **drv_binary,int form, - int in_buf_len) -{ - int maybe_ret; - char *decode_buf = (*drv_binary)->orig_bytes; - unsigned int len = 0; - unsigned int lenoflen = 0; - int indef = 0; - -#ifdef ASN1_DEBUG - printf("decode_value1:ib_index=%d\n\r",*ib_index); -#endif - if (((in_buf[*ib_index]) & 0x80) == ASN1_SHORT_DEFINITE_LENGTH) { - len = in_buf[*ib_index]; - } - else if (in_buf[*ib_index] == ASN1_INDEFINITE_LENGTH) - indef = 1; - else /* long definite length */ { - lenoflen = (in_buf[*ib_index] & 0x7f); /*length of length */ -#ifdef ASN1_DEBUG - printf("decode_value,lenoflen:%d\r\n",lenoflen); -#endif - if (lenoflen > (in_buf_len - (*ib_index+1))) - return ASN1_LEN_ERROR; - len = 0; - while (lenoflen-- ) { - (*ib_index)++; -#ifdef ASN1_DEBUG - printf("decode_value1:*ib_index=%d, byte = %d.\r\n",*ib_index,in_buf[*ib_index]); -#endif - if (!(len < (1 << (sizeof(len)-1)*8))) - return ASN1_LEN_ERROR; /* length does not fit in 32 bits */ - len = (len << 8) + in_buf[*ib_index]; - } - } - if (len > (in_buf_len - (*ib_index + 1))) - return ASN1_VALUE_ERROR; - (*ib_index)++; -#ifdef ASN1_DEBUG - printf("decode_value2:ii=%d.\r\n",*ib_index); -#endif - if (indef == 1) - { /* in this case it is desireably to check that indefinite length - end bytes exist in inbuffer */ - while (!(in_buf[*ib_index]==0 && in_buf[*ib_index + 1]==0)) { -#ifdef ASN1_DEBUG - printf("decode_value while:ib_index=%d in_buf_len=%d\n\r", - *ib_index,in_buf_len); -#endif - if(*ib_index >= in_buf_len) - return ASN1_INDEF_LEN_ERROR; - ei_encode_list_header(decode_buf,ei_index,1); /* 5 bytes */ - if((maybe_ret=decode(drv_binary,ei_index,in_buf, - ib_index,in_buf_len)) <= ASN1_ERROR) - return maybe_ret; - decode_buf = (*drv_binary)->orig_bytes; - } - (*ib_index) += 2; /* skip the indefinite length end bytes */ -#ifdef ASN1_DEBUG - printf("decode_value3:ii=%d.\r\n",*ib_index); -#endif - ei_encode_empty_list(decode_buf,ei_index); /* 1 byte */ - } - else if (form == ASN1_CONSTRUCTED) - { - int end_index = *ib_index + len; - if(end_index > in_buf_len) - return ASN1_LEN_ERROR; - while (*ib_index < end_index) { - -#ifdef ASN1_DEBUG - printf("decode_value3:*ib_index=%d, end_index=%d\n\r",*ib_index,end_index); -#endif - ei_encode_list_header(decode_buf,ei_index,1); /* 5 bytes */ - if((maybe_ret=decode(drv_binary,ei_index,in_buf, - ib_index,in_buf_len))<=ASN1_ERROR) - return maybe_ret; - decode_buf = (*drv_binary)->orig_bytes; - } - ei_encode_empty_list(decode_buf,ei_index); /* 1 byte */ - } - else - { - if (((*drv_binary)->orig_size - *ei_index) < 10+len) { /* 5+len for the binary*/ - if (realloc_decode_buf(drv_binary,(*drv_binary)->orig_size * 2) == - ASN1_ERROR) - return ASN1_ERROR; - decode_buf = (*drv_binary)->orig_bytes; - } - if((*ib_index + len) > in_buf_len) - return ASN1_LEN_ERROR; - ei_encode_binary(decode_buf,ei_index,&in_buf[*ib_index],len); - *ib_index = *ib_index + len; -#ifdef ASN1_DEBUG - printf("decode_value4:ii=%d.\r\n",*ib_index); -#endif - } - return ASN1_OK; -} - -int realloc_decode_buf(ErlDrvBinary **drv_binary,int amount) { - ErlDrvBinary *tmp_bin; - - if ((tmp_bin=driver_realloc_binary(*drv_binary,amount)) == NULL) - return ASN1_ERROR; - *drv_binary = tmp_bin; - return ASN1_OK; -} - - - -/* - * int decode_partial(drv_binary,in_buf,in_buf_len) - */ -/* - * The in_buf contains two parts: first information about which value - * will be decoded, as a sequence of tags and tag codes, then the - * encoded BER value. First of all comes a length field that tells how - * many following bytes contains the sequence of tags. Then starts the - * BER encoded message. The tag sequence length field is a single - * byte. The sequence of tags/tag codes may be one of the codes - * ASN1_SKIPPED, ASN1_CHOOSEN and a tag or ASN1_OPTIONAL and a - * tag. ASN1_SKIPPED means that the following tag is mandatory and is - * skipped. ASN1_CHOOSEN means that the value of this tag shall, if - * this was the last tag in tag sequence, be returned or be searched - * in for the next tag. ASN1_OPTIONAL means that this tag shall be - * skipped but it may be missing. Each tag in the tag sequence - * correspond to a tag in the BER encoded message. If the decode - * arives to a position where there is no matching tag, an error is - * returned (if it wasn't the last tag and it was OPTIONAL). After the - * right value has been detected it is returned in the out_buf. - * - */ -int decode_partial(ErlDrvBinary **drv_binary,unsigned char *in_buf, int in_buf_len) -{ - char *out_buf = (*drv_binary)->orig_bytes; - int tag_index_val = 1; - int msg_index_val; - int *msg_index, *tag_index, tmp_index; - int tag_seq_length; - int wanted_tag, next_tag; - int buf_end_index = in_buf_len; - int ret = 0, length, old_index; - - tag_index = &tag_index_val; - tag_seq_length = in_buf[0]; - msg_index = &msg_index_val; - *msg_index = tag_seq_length + 1; - - -/* printf("decode_partial 1: in_buf_len=%d, tag_index=%d, msg_index=%d\r\n,tag_seq_length=%d\r\n",in_buf_len,*tag_index,*msg_index,tag_seq_length); */ - while(*tag_index < tag_seq_length) { - switch(in_buf[*tag_index]) { - case ASN1_SKIPPED: -/* printf("decode_partial ASN1_SKIPPED: in_buf[*msg_index]=%d\r\n",in_buf[*msg_index]); */ - (*tag_index)++; -/* printf("decode_partial ASN1_SKIPPED 2: *msg_index=%d\r\n",*msg_index); */ - skip_tag(in_buf,msg_index,buf_end_index); -/* printf("decode_partial ASN1_SKIPPED 3: *msg_index=%d\r\n",*msg_index); */ - skip_length_and_value(in_buf,msg_index,buf_end_index); -/* printf("decode_partial ASN1_SKIPPED 4: *msg_index=%d\r\n",*msg_index); */ - break; - case ASN1_OPTIONAL: - (*tag_index)++; -/* printf("decode_partial ASN1_OPTIONAL: in_buf[*tag_index]=%d\r\n",in_buf[*tag_index]); */ - wanted_tag = in_buf[*tag_index]; - (*tag_index)++; - tmp_index = *msg_index; - next_tag = get_tag(in_buf,msg_index,buf_end_index); - if (wanted_tag != next_tag) { - *msg_index = tmp_index; - } else - skip_length_and_value(in_buf,msg_index,buf_end_index); - break; - case ASN1_CHOOSEN: -/* printf("decode_partial ASN1_CHOOSEN: in_buf[*msg_index]=%d, *msg_index=%d\r\n",in_buf[*msg_index],*msg_index); */ - (*tag_index)++; - wanted_tag = in_buf[*tag_index]; - (*tag_index)++; - old_index = *msg_index; -/* printf("decode_partial ASN1_CHOOSEN 2: *msg_index=%d\r\n",*msg_index); */ - next_tag = get_tag(in_buf,msg_index,buf_end_index); -/* printf("decode_partial ASN1_CHOOSEN 3: *msg_index=%d\r\n,wanted_tag=%d, next_tag=%d\r\n",*msg_index,wanted_tag,next_tag); */ - if (wanted_tag != next_tag) - return ASN1_NOVALUE; /* an empty binary will be returned to Erlang */ - if (*tag_index == (tag_seq_length + 1)) { - /* get the value and return*/ - if((ret = get_value(out_buf,in_buf,msg_index,buf_end_index)) <= ASN1_ERROR) - return ASN1_ERROR; - return ret; - } - else { - /* calculate the length of the sub buffer and let *msg_index - be at the value part of this BER encoded type*/ - int indef; - indef = 0; - length = get_length(in_buf,msg_index,&indef,buf_end_index); -/* printf("decode_partial ASN1_CHOOSEN 4: length=%d, *msg_index=%d\r\n",length,*msg_index); */ - if ((length == 0) && (indef == 1)) { - /* indefinite length of value */ - old_index = *msg_index; - length = skip_length_and_value(in_buf,msg_index,buf_end_index); - *msg_index = old_index; - buf_end_index = *msg_index + length - 2; - /* remove two bytes due to indefinete length end zeros */ - } else - buf_end_index = (*msg_index + length); - } - break; - default: - return ASN1_ERROR; - } - } - return ASN1_ERROR; -} - - -/* - * int skip_tag(unsigned char *in_buf,int *index,int buf_len) - * steps past the BER encoded tag in in_buf and updates *index. - * Returns the number of skipped bytes. - */ -int skip_tag(unsigned char *in_buf,int *index,int buf_len) -{ - int start_index = *index; - if ((MASK(in_buf[*index],ASN1_TAG)) == 31){ - do { - (*index)++; - if (*index >= buf_len) - return ASN1_ERROR; - } - while(in_buf[*index] >=128); - } - (*index)++; - return (*index - start_index); -} - - -/* - * int skip_length_and_value(unsigned char *in_buf,int *index,int buf_len) - * steps past the BER encoded length and value in in_buf and updates *index. - * returns the length if the skipped "length value". - * Returns the number of skipped bytes. - */ -int skip_length_and_value(unsigned char *in_buf,int *index,int buf_len) -{ - long len; - int indef = 0, lenoflen; - int start_index = *index; - - if ((MASK(in_buf[*index],0x80)) == ASN1_SHORT_DEFINITE_LENGTH){ - len = in_buf[*index]; - if (len > (buf_len - (*index + 1))) - return ASN1_LEN_ERROR; - } else if (in_buf[*index] == ASN1_INDEFINITE_LENGTH) - indef = 1; - else /* long definite length */ { - lenoflen = (in_buf[*index] & 0x7f); /*length of length */ - len = 0; - while (lenoflen--) { - (*index)++; - len = (len << 8) + in_buf[*index]; - } - if (len > (buf_len - (*index + 1))) - return ASN1_LEN_ERROR; - } - (*index)++; - if (indef == 1) - { - while(!(in_buf[*index]==0 && in_buf[*index + 1]==0)) { - skip_tag(in_buf,index,buf_len); - skip_length_and_value(in_buf,index,buf_len); - } - (*index) += 2; - } - else - (*index) += len; - return (*index - start_index); -} - -/* int get_tag(unsigned char *in_buf,int *index) - * - * assumes next byte/bytes in in_buf is an encoded BER tag. A tag - * number has theoretically no upper limit in size. Here the tag - * number is assumed to be less than 64K. Returns an integer value - * on the format: - * xxxxxxxx xxxxxxcc tttttttt tttttttt - * the x-bits are 0 (insignificant) - * the c-bits are the class of the tag - * the t-bits are the tag number. This implies that the tag number - * is limited to 64K-1 - * - */ -int get_tag(unsigned char *in_buf,int *index,int buf_len) -{ - int tag_no = 0,tmp_tag = 0; - - tag_no = (MASK(in_buf[*index],ASN1_CLASSFORM)); - if ((MASK(in_buf[*index],ASN1_TAG)) == ASN1_TAG) { - /* long form of tag */ - do { - (*index)++; - if (*index >= buf_len) - return ASN1_TAG_ERROR; - tmp_tag = tmp_tag << 7; - tmp_tag += (MASK(in_buf[*index],ASN1_LONG_TAG)); - } while (in_buf[*index] >= 128); - (*index)++; - tag_no = tag_no + tmp_tag; - } else { - tag_no += (MASK(in_buf[*index],ASN1_TAG)); - (*index)++; - } - if (*index >= buf_len) - return ASN1_TAG_ERROR; - return tag_no; -} - - -/* - * int get_value(char *out_buf,unsigned char *in_buf, - * int *msg_index,int in_buf_len) - */ -/* assumes next byte/bytes in in_buf is an encoded BER value preceeded by a BER encoded length. Puts value in out_buf. - */ -int get_value(char *out_buf, - unsigned char *in_buf, - int *msg_index, - int in_buf_len) -{ - int len, lenoflen, indef=0, skip_len; - int ret=0; - int start_index; - -/* printf("get_value 1\n\r"); */ - if (in_buf[*msg_index] < 0x80){ /* short definite length */ - len = in_buf[*msg_index]; -/* printf("short definite length\r\n"); */ - } else if (in_buf[*msg_index] > 0x80) { /* long definite length */ - lenoflen = (in_buf[*msg_index] & 0x7f); /*length of length */ - len = 0; - while (lenoflen--) { - (*msg_index)++; - len = (len << 8) + in_buf[*msg_index]; - } - if (len > (in_buf_len - (*msg_index + 1))) - return ASN1_LEN_ERROR; - } else - indef = 1; - (*msg_index)++; -/* printf("get_value 2: len = %d, *msg_index = %d\r\n",len,*msg_index); */ - if (indef == 1) { - while(!(in_buf[*msg_index]==0 && in_buf[*msg_index + 1]==0)) { - start_index = *msg_index; - skip_len = skip_tag(in_buf,msg_index,in_buf_len); -/* printf("get_value 3: skip_len=%d,start_index=%d,*msg_index=%d\n\r", */ -/* skip_len,start_index,*msg_index); */ - memcpy(&out_buf[ret],&in_buf[start_index],skip_len); - ret += skip_len; - start_index = *msg_index; - skip_len = skip_length_and_value(in_buf,msg_index,in_buf_len); -/* printf("get_value 4: skip_len=%d,start_index=%d,*msg_index=%d\n\r", */ -/* skip_len,start_index,*msg_index); */ - memcpy(&out_buf[ret],&in_buf[start_index],skip_len); - ret += skip_len; - } - return ret; - } - else - memcpy(&out_buf[ret],&in_buf[*msg_index],len); - return len; -} - - -/* - * int get_length(unsigned char *in_buf,int *msg_index) - * assumes next byte/bytes contain a BER encoded length field, - * which is decoded. The value of the length is returned. If it - * is an indefinite length the *indef is set to one. - */ -int get_length(unsigned char *in_buf,int *msg_index, - int *indef,int in_buf_len) -{ - int len=0, lenoflen; - - if (in_buf[*msg_index] < 0x80) /* short definite length */ - len = in_buf[*msg_index]; - else if (in_buf[*msg_index] > 0x80) { /* long definite length */ - lenoflen = (in_buf[*msg_index] & 0x7f); /*length of length */ - len = 0; - while (lenoflen--) { - (*msg_index)++; - len = (len << 8) + in_buf[*msg_index]; - } - if (len > (in_buf_len - (*msg_index + 1))) - return ASN1_LEN_ERROR; - } else - *indef = 1; - (*msg_index)++; - return len; -} diff --git a/lib/asn1/c_src/asn1_erl_nif.c b/lib/asn1/c_src/asn1_erl_nif.c new file mode 100644 index 0000000000..9c9f83bc2a --- /dev/null +++ b/lib/asn1/c_src/asn1_erl_nif.c @@ -0,0 +1,1305 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2002-2011. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + * + */ +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include "erl_nif.h" + +/* #define ASN1_DEBUG 1 */ + +#define ASN1_OK 0 +#define ASN1_ERROR -1 +#define ASN1_COMPL_ERROR 1 +#define ASN1_MEMORY_ERROR 0 +#define ASN1_DECODE_ERROR 2 +#define ASN1_TAG_ERROR -3 +#define ASN1_LEN_ERROR -4 +#define ASN1_INDEF_LEN_ERROR -5 +#define ASN1_VALUE_ERROR -6 + +#define ASN1_CLASS 0xc0 +#define ASN1_FORM 0x20 +#define ASN1_CLASSFORM (ASN1_CLASS | ASN1_FORM) +#define ASN1_TAG 0x1f +#define ASN1_LONG_TAG 0x7f + +#define ASN1_INDEFINITE_LENGTH 0x80 +#define ASN1_SHORT_DEFINITE_LENGTH 0 + +#define ASN1_PRIMITIVE 0 +#define ASN1_CONSTRUCTED 0x20 + +#define ASN1_NOVALUE 0 + +#define ASN1_SKIPPED 0 +#define ASN1_OPTIONAL 1 +#define ASN1_CHOOSEN 2 + +#define CEIL(X,Y) ((X-1) / Y + 1) + +#define INVMASK(X,M) (X & (M ^ 0xff)) +#define MASK(X,M) (X & M) + +/* PER COMPLETE */ +int per_complete(ErlNifBinary *, unsigned char *, int); + +int per_insert_octets(int, unsigned char **, unsigned char **, int *); + +int per_insert_octets_except_unused(int, unsigned char **, unsigned char **, + int *, int); + +int per_insert_octets_as_bits_exact_len(int, int, unsigned char **, + unsigned char **, int *); + +int per_insert_octets_as_bits(int, unsigned char **, unsigned char **, int *); + +int per_pad_bits(int, unsigned char **, int *); + +int per_insert_least_sign_bits(int, unsigned char, unsigned char **, int *); + +int per_insert_most_sign_bits(int, unsigned char, unsigned char **, int *); + +int per_insert_bits_as_bits(int, int, unsigned char **, unsigned char **, int *); + +int per_insert_octets_unaligned(int, unsigned char **, unsigned char **, int); + +int per_realloc_memory(ErlNifBinary *, int, unsigned char **); + +/* BER DECODE */ +int ber_decode_begin(ErlNifEnv *, ERL_NIF_TERM *, unsigned char *, int, + unsigned int *); + +int ber_decode(ErlNifEnv *, ERL_NIF_TERM *, unsigned char *, int *, int); + +int ber_decode_tag(ErlNifEnv *, ERL_NIF_TERM *, unsigned char *, int, int *); + +int ber_decode_value(ErlNifEnv*, ERL_NIF_TERM *, unsigned char *, int *, int, + int); + +/* BER ENCODE */ +typedef struct ber_encode_mem_chunk mem_chunk_t; + +int ber_encode(ErlNifEnv *, ERL_NIF_TERM , mem_chunk_t **, unsigned int *); + +void ber_free_chunks(mem_chunk_t *chunk); +mem_chunk_t *ber_new_chunk(unsigned int length); +int ber_check_memory(mem_chunk_t **curr, unsigned int needed); + +int ber_encode_tag(ErlNifEnv *, ERL_NIF_TERM , unsigned int , + mem_chunk_t **, unsigned int *); + +int ber_encode_length(size_t , mem_chunk_t **, unsigned int *); + +/* + * + * This section defines functionality for the complete encode of a + * PER encoded message + * + */ + +int per_complete(ErlNifBinary *out_binary, unsigned char *in_buf, + int in_buf_len) { + int counter = in_buf_len; + /* counter keeps track of number of bytes left in the + input buffer */ + + int buf_space = in_buf_len; + /* This is the amount of allocated space left of the out_binary. It + is possible when padding is applied that more space is needed than + was originally allocated. */ + + int buf_size = in_buf_len; + /* Size of the buffer. May become reallocated and thus other than + in_buf_len */ + + unsigned char *in_ptr, *ptr; + /* in_ptr points at the next byte in in_buf to be moved to + complete_buf. + ptr points into the new completed buffer, complete_buf, at the + position of the next byte that will be set */ + int unused = 8; + /* unused = [1,...,8] indicates how many of the rigthmost bits of + the byte that ptr points at that are unassigned */ + + int no_bits, no_bytes, in_unused, desired_len, ret, saved_mem, needed, + pad_bits; + + unsigned char val; + + in_ptr = in_buf; + ptr = out_binary->data; + *ptr = 0x00; + while (counter > 0) { + counter--; + switch (*in_ptr) { + case 0: + /* just one zero-bit should be added to the buffer */ + if (unused == 1) { + unused = 8; + *++ptr = 0x00; + buf_space--; + } else + unused--; + break; + + case 1: + /* one one-bit should be added to the buffer */ + if (unused == 1) { + *ptr = *ptr | 1; + unused = 8; + *++ptr = 0x00; + buf_space--; + } else { + *ptr = *ptr | (1 << (unused - 1)); + unused--; + } + break; + + case 2: + /* align buffer to end of byte */ + if (unused != 8) { + *++ptr = 0x00; + buf_space--; + unused = 8; + } + break; + + case 10: + /* next byte in in_buf tells how many bits in the second next + byte that will be used */ + /* The leftmost unused bits in the value byte are supposed to be + zero bits */ + no_bits = (int) *(++in_ptr); + val = *(++in_ptr); + counter -= 2; + if ((ret = per_insert_least_sign_bits(no_bits, val, &ptr, &unused)) + == ASN1_ERROR + ) + return ASN1_ERROR; + buf_space -= ret; + break; + + case 20: + /* in this case the next value in_ptr points at holds the number + of following bytes that holds the value that will be inserted + in the completed buffer */ + no_bytes = (int) *(++in_ptr); + counter -= (no_bytes + 1); + if ((counter < 0) + || (ret = per_insert_octets(no_bytes, &in_ptr, &ptr, + &unused)) == ASN1_ERROR + ) + return ASN1_ERROR; + buf_space -= ret; + break; + + case 21: + /* in this case the next two bytes in_ptr points at holds the number + of following bytes that holds the value that will be inserted + in the completed buffer */ + no_bytes = (int) *(++in_ptr); + no_bytes = no_bytes << 8; + no_bytes = no_bytes | (int) *(++in_ptr); + counter -= (2 + no_bytes); + if ((counter < 0) + || (ret = per_insert_octets(no_bytes, &in_ptr, &ptr, + &unused)) == ASN1_ERROR + ) + return ASN1_ERROR; + buf_space -= ret; + break; + + case 30: + /* If we call the following bytes, in the buffer in_ptr points at, + By1,By2,Rest then Rest is the value that will be transfered to + the completed buffer. By1 tells how many of the rightmost bits in + Rest that should not be used. By2 is the length of Rest in bytes.*/ + in_unused = (int) *(++in_ptr); + no_bytes = (int) *(++in_ptr); + counter -= (2 + no_bytes); + ret = -4711; + if ((counter < 0) + || (ret = per_insert_octets_except_unused(no_bytes, &in_ptr, + &ptr, &unused, in_unused)) == ASN1_ERROR + ) + return ASN1_ERROR; + buf_space -= ret; + break; + + case 31: + /* If we call the following bytes, in the buffer in_ptr points at, + By1,By2,By3,Rest then Rest is the value that will be transfered to + the completed buffer. By1 tells how many of the rightmost bits in + Rest that should not be used. By2 and By3 is the length of + Rest in bytes.*/ + in_unused = (int) *(++in_ptr); + no_bytes = (int) *(++in_ptr); + no_bytes = no_bytes << 8; + no_bytes = no_bytes | (int) *(++in_ptr); + counter -= (3 + no_bytes); + if ((counter < 0) + || (ret = per_insert_octets_except_unused(no_bytes, &in_ptr, + &ptr, &unused, in_unused)) == ASN1_ERROR + ) + return ASN1_ERROR; + buf_space -= ret; + break; + + case 40: + /* This case implies that next byte,By1,(..,By1,By2,Bin,...) + is the desired length of the completed value, maybe needs + padding zero bits or removal of trailing zero bits from Bin. + By2 is the length of Bin and Bin is the value that will be + put into the completed buffer. Each byte in Bin has the value + 1 or 0.*/ + desired_len = (int) *(++in_ptr); + no_bytes = (int) *(++in_ptr); + + /* This is the algorithm for need of memory reallocation: + Only when padding (cases 40 - 43,45 - 47) more memory may be + used than allocated. Therefore one has to keep track of how + much of the allocated memory that has been saved, i.e. the + difference between the number of parsed bytes of the input buffer + and the number of used bytes of the output buffer. + If saved memory is less than needed for the padding then we + need more memory. */ + saved_mem = buf_space - counter; + pad_bits = desired_len - no_bytes - unused; + needed = (pad_bits > 0) ? CEIL(pad_bits,8) : 0; + if (saved_mem < needed) { + /* Have to allocate more memory */ + buf_size += needed; + buf_space += needed; + if (per_realloc_memory(out_binary, buf_size, &ptr) == ASN1_ERROR + ) + return ASN1_ERROR; + } + + counter -= (2 + no_bytes); + if ((counter < 0) + || (ret = per_insert_octets_as_bits_exact_len(desired_len, + no_bytes, &in_ptr, &ptr, &unused)) == ASN1_ERROR + ) + return ASN1_ERROR; + buf_space -= ret; + break; + + case 41: + /* Same as case 40 apart from By2, the length of Bin, which is in + two bytes*/ + desired_len = (int) *(++in_ptr); + no_bytes = (int) *(++in_ptr); + no_bytes = no_bytes << 8; + no_bytes = no_bytes | (int) *(++in_ptr); + + saved_mem = buf_space - counter; + needed = CEIL((desired_len-unused),8) - no_bytes; + if (saved_mem < needed) { + /* Have to allocate more memory */ + buf_size += needed; + buf_space += needed; + if (per_realloc_memory(out_binary, buf_size, &ptr) == ASN1_ERROR + ) + return ASN1_ERROR; + } + + counter -= (3 + no_bytes); + if ((counter < 0) + || (ret = per_insert_octets_as_bits_exact_len(desired_len, + no_bytes, &in_ptr, &ptr, &unused)) == ASN1_ERROR + ) + return ASN1_ERROR; + buf_space -= ret; + break; + + case 42: + /* Same as case 40 apart from By1, the desired length, which is in + two bytes*/ + desired_len = (int) *(++in_ptr); + desired_len = desired_len << 8; + desired_len = desired_len | (int) *(++in_ptr); + no_bytes = (int) *(++in_ptr); + + saved_mem = buf_space - counter; + needed = CEIL((desired_len-unused),8) - no_bytes; + if (saved_mem < needed) { + /* Have to allocate more memory */ + buf_size += needed; + buf_space += needed; + if (per_realloc_memory(out_binary, buf_size, &ptr) == ASN1_ERROR + ) + return ASN1_ERROR; + } + + counter -= (3 + no_bytes); + if ((counter < 0) + || (ret = per_insert_octets_as_bits_exact_len(desired_len, + no_bytes, &in_ptr, &ptr, &unused)) == ASN1_ERROR + ) + return ASN1_ERROR; + buf_space -= ret; + break; + + case 43: + /* Same as case 40 apart from By1 and By2, the desired length and + the length of Bin, which are in two bytes each. */ + desired_len = (int) *(++in_ptr); + desired_len = desired_len << 8; + desired_len = desired_len | (int) *(++in_ptr); + no_bytes = (int) *(++in_ptr); + no_bytes = no_bytes << 8; + no_bytes = no_bytes | (int) *(++in_ptr); + + saved_mem = buf_space - counter; + needed = CEIL((desired_len-unused),8) - no_bytes; + if (saved_mem < needed) { + /* Have to allocate more memory */ + buf_size += needed; + buf_space += needed; + if (per_realloc_memory(out_binary, buf_size, &ptr) == ASN1_ERROR + ) + return ASN1_ERROR; + } + + counter -= (4 + no_bytes); + if ((counter < 0) + || (ret = per_insert_octets_as_bits_exact_len(desired_len, + no_bytes, &in_ptr, &ptr, &unused)) == ASN1_ERROR + ) + return ASN1_ERROR; + buf_space -= ret; + break; + + case 45: + /* This case assumes that the following bytes in the incoming buffer + (called By1,By2,Bin) is By1, which is the number of bits (n) that + will be inserted in the completed buffer. By2 is the number of + bytes in Bin. Each bit in the buffer Bin should be inserted from + the leftmost until the nth.*/ + desired_len = (int) *(++in_ptr); + no_bytes = (int) *(++in_ptr); + + saved_mem = buf_space - counter; + needed = CEIL((desired_len-unused),8) - no_bytes; + if (saved_mem < needed) { + /* Have to allocate more memory */ + buf_size += needed; + buf_space += needed; + if (per_realloc_memory(out_binary, buf_size, &ptr) == ASN1_ERROR + ) + return ASN1_ERROR; + } + + counter -= (2 + no_bytes); + + if ((counter < 0) + || (ret = per_insert_bits_as_bits(desired_len, no_bytes, + &in_ptr, &ptr, &unused)) == ASN1_ERROR + ) + return ASN1_ERROR; + buf_space -= ret; + break; + + case 46: + /* Same as case 45 apart from By1, the desired length, which is + in two bytes. */ + desired_len = (int) *(++in_ptr); + desired_len = desired_len << 8; + desired_len = desired_len | (int) *(++in_ptr); + no_bytes = (int) *(++in_ptr); + + saved_mem = buf_space - counter; + needed = CEIL((desired_len-unused),8) - no_bytes; + if (saved_mem < needed) { + /* Have to allocate more memory */ + buf_size += needed; + buf_space += needed; + if (per_realloc_memory(out_binary, buf_size, &ptr) == ASN1_ERROR + ) + return ASN1_ERROR; + } + + counter -= (3 + no_bytes); + if ((counter < 0) + || (ret = per_insert_bits_as_bits(desired_len, no_bytes, + &in_ptr, &ptr, &unused)) == ASN1_ERROR + ) + return ASN1_ERROR; + buf_space -= ret; + break; + + case 47: + /* Same as case 45 apart from By1 and By2, the desired length + and the length of Bin, which are in two bytes each. */ + desired_len = (int) *(++in_ptr); + desired_len = desired_len << 8; + desired_len = desired_len | (int) *(++in_ptr); + no_bytes = (int) *(++in_ptr); + no_bytes = no_bytes << 8; + no_bytes = no_bytes | (int) *(++in_ptr); + + saved_mem = buf_space - counter; + needed = CEIL((desired_len-unused),8) - no_bytes; + if (saved_mem < needed) { + /* Have to allocate more memory */ + buf_size += needed; + buf_space += needed; + if (per_realloc_memory(out_binary, buf_size, &ptr) == ASN1_ERROR + ) + return ASN1_ERROR; + } + + counter -= (4 + no_bytes); + if ((counter < 0) + || (ret = per_insert_bits_as_bits(desired_len, no_bytes, + &in_ptr, &ptr, &unused)) == ASN1_ERROR + ) + return ASN1_ERROR; + buf_space -= ret; + break; + + default: + return ASN1_ERROR; + } + in_ptr++; + } + /* The returned buffer must be at least one byte and + it must be octet aligned */ + if ((unused == 8) && (ptr != out_binary->data)) + return (ptr - out_binary->data); + else { + ptr++; /* octet align buffer */ + return (ptr - out_binary->data); + } +} + +int per_realloc_memory(ErlNifBinary *binary, int amount, unsigned char **ptr) { + + int i = *ptr - binary->data; + + if (!enif_realloc_binary(binary, amount)) { + /*error handling due to memory allocation failure */ + return ASN1_ERROR; + } else { + *ptr = binary->data + i; + } + return ASN1_OK; +} + +int per_insert_most_sign_bits(int no_bits, unsigned char val, + unsigned char **output_ptr, int *unused) { + unsigned char *ptr = *output_ptr; + + if (no_bits < *unused) { + *ptr = *ptr | (val >> (8 - *unused)); + *unused -= no_bits; + } else if (no_bits == *unused) { + *ptr = *ptr | (val >> (8 - *unused)); + *unused = 8; + *++ptr = 0x00; + } else { + *ptr = *ptr | (val >> (8 - *unused)); + *++ptr = 0x00; + *ptr = *ptr | (val << *unused); + *unused = 8 - (no_bits - *unused); + } + *output_ptr = ptr; + return ASN1_OK; +} + +int per_insert_least_sign_bits(int no_bits, unsigned char val, + unsigned char **output_ptr, int *unused) { + unsigned char *ptr = *output_ptr; + int ret = 0; + + if (no_bits < *unused) { + *ptr = *ptr | (val << (*unused - no_bits)); + *unused -= no_bits; + } else if (no_bits == *unused) { + *ptr = *ptr | val; + *unused = 8; + *++ptr = 0x00; + ret++; + } else { + /* first in the begun byte in the completed buffer insert + so many bits that fit, then insert the rest in next byte.*/ + *ptr = *ptr | (val >> (no_bits - *unused)); + *++ptr = 0x00; + ret++; + *ptr = *ptr | (val << (8 - (no_bits - *unused))); + *unused = 8 - (no_bits - *unused); + } + *output_ptr = ptr; + return ret; +} + +/* per_pad_bits adds no_bits bits in the buffer that output_ptr + points at. + */ +int per_pad_bits(int no_bits, unsigned char **output_ptr, int *unused) { + unsigned char *ptr = *output_ptr; + int ret = 0; + + while (no_bits > 0) { + if (*unused == 1) { + *unused = 8; + *++ptr = 0x00; + ret++; + } else + (*unused)--; + no_bits--; + } + *output_ptr = ptr; + return ret; +} + +/* insert_bits_as_bits removes no_bytes bytes from the buffer that in_ptr + points at and takes the desired_no leftmost bits from those removed + bytes and inserts them in the buffer(output buffer) that ptr points at. + The unused parameter tells how many bits that are not set in the + actual byte in the output buffer. If desired_no is more bits than the + input buffer has in no_bytes bytes, then zero bits is padded.*/ +int per_insert_bits_as_bits(int desired_no, int no_bytes, + unsigned char **input_ptr, unsigned char **output_ptr, int *unused) { + unsigned char *in_ptr = *input_ptr; + unsigned char val; + int no_bits, ret, ret2; + + if (desired_no == (no_bytes * 8)) { + if (per_insert_octets_unaligned(no_bytes, &in_ptr, output_ptr, *unused) + == ASN1_ERROR + ) + return ASN1_ERROR; + ret = no_bytes; + } else if (desired_no < (no_bytes * 8)) { + /* printf("per_insert_bits_as_bits 1\n\r"); */ + if (per_insert_octets_unaligned(desired_no / 8, &in_ptr, output_ptr, + *unused) == ASN1_ERROR + ) + return ASN1_ERROR; + /* printf("per_insert_bits_as_bits 2\n\r"); */ + val = *++in_ptr; + /* printf("val = %d\n\r",(int)val); */ + no_bits = desired_no % 8; + /* printf("no_bits = %d\n\r",no_bits); */ + per_insert_most_sign_bits(no_bits, val, output_ptr, unused); + ret = CEIL(desired_no,8); + } else { + if (per_insert_octets_unaligned(no_bytes, &in_ptr, output_ptr, *unused) + == ASN1_ERROR + ) + return ASN1_ERROR; + ret2 = per_pad_bits(desired_no - (no_bytes * 8), output_ptr, unused); + /* printf("ret2 = %d\n\r",ret2); */ + ret = CEIL(desired_no,8); + /* printf("ret = %d\n\r",ret); */ + } + /* printf("*unused = %d\n\r",*unused); */ + *input_ptr = in_ptr; + return ret; +} + +/* per_insert_octets_as_bits_exact_len */ +int per_insert_octets_as_bits_exact_len(int desired_len, int in_buff_len, + unsigned char **in_ptr, unsigned char **ptr, int *unused) { + int ret = 0; + int ret2 = 0; + + if (desired_len == in_buff_len) { + if ((ret = per_insert_octets_as_bits(in_buff_len, in_ptr, ptr, unused)) + == ASN1_ERROR + ) + return ASN1_ERROR; + } else if (desired_len > in_buff_len) { + if ((ret = per_insert_octets_as_bits(in_buff_len, in_ptr, ptr, unused)) + == ASN1_ERROR + ) + return ASN1_ERROR; + /* now pad with zero bits */ + /* printf("~npad_bits: called with %d bits padding~n~n~r",desired_len - in_buff_len); */ + if ((ret2 = per_pad_bits(desired_len - in_buff_len, ptr, unused)) + == ASN1_ERROR + ) + return ASN1_ERROR; + } else {/* desired_len < no_bits */ + if ((ret = per_insert_octets_as_bits(desired_len, in_ptr, ptr, unused)) + == ASN1_ERROR + ) + return ASN1_ERROR; + /* now remove no_bits - desired_len bytes from in buffer */ + *in_ptr += (in_buff_len - desired_len); + } + return (ret + ret2); +} + +/* insert_octets_as_bits takes no_bytes bytes from the buffer that input_ptr + points at and inserts the least significant bit of it in the buffer that + output_ptr points at. Each byte in the input buffer must be 1 or 0 + otherwise the function returns ASN1_ERROR. The output buffer is concatenated + without alignment. + */ +int per_insert_octets_as_bits(int no_bytes, unsigned char **input_ptr, + unsigned char **output_ptr, int *unused) { + unsigned char *in_ptr = *input_ptr; + unsigned char *ptr = *output_ptr; + int used_bits = 8 - *unused; + + while (no_bytes > 0) { + switch (*++in_ptr) { + case 0: + if (*unused == 1) { + *unused = 8; + *++ptr = 0x00; + } else + (*unused)--; + break; + case 1: + if (*unused == 1) { + *ptr = *ptr | 1; + *unused = 8; + *++ptr = 0x00; + } else { + *ptr = *ptr | (1 << (*unused - 1)); + (*unused)--; + } + break; + default: + return ASN1_ERROR; + } + no_bytes--; + } + *input_ptr = in_ptr; + *output_ptr = ptr; + return ((used_bits + no_bytes) / 8); /*return number of new bytes + in completed buffer */ +} + +/* insert_octets inserts bytes from the input buffer, *input_ptr, + into the output buffer, *output_ptr. Before the first byte is + inserted the input buffer is aligned. + */ +int per_insert_octets(int no_bytes, unsigned char **input_ptr, + unsigned char **output_ptr, int *unused) { + unsigned char *in_ptr = *input_ptr; + unsigned char *ptr = *output_ptr; + int ret = 0; + + if (*unused != 8) {/* must align before octets are added */ + *++ptr = 0x00; + ret++; + *unused = 8; + } + while (no_bytes > 0) { + *ptr = *(++in_ptr); + *++ptr = 0x00; + /* *unused = *unused - 1; */ + no_bytes--; + } + *input_ptr = in_ptr; + *output_ptr = ptr; + return (ret + no_bytes); +} + +/* per_insert_octets_unaligned inserts bytes from the input buffer, *input_ptr, + into the output buffer, *output_ptr.No alignment is done. + */ +int per_insert_octets_unaligned(int no_bytes, unsigned char **input_ptr, + unsigned char **output_ptr, int unused) { + unsigned char *in_ptr = *input_ptr; + unsigned char *ptr = *output_ptr; + int n = no_bytes; + unsigned char val; + + while (n > 0) { + if (unused == 8) { + *ptr = *++in_ptr; + *++ptr = 0x00; + } else { + val = *++in_ptr; + *ptr = *ptr | val >> (8 - unused); + *++ptr = 0x00; + *ptr = val << unused; + } + n--; + } + *input_ptr = in_ptr; + *output_ptr = ptr; + return no_bytes; +} + +int per_insert_octets_except_unused(int no_bytes, unsigned char **input_ptr, + unsigned char **output_ptr, int *unused, int in_unused) { + unsigned char *in_ptr = *input_ptr; + unsigned char *ptr = *output_ptr; + int val, no_bits; + int ret = 0; + + if (in_unused == 0) { + if ((ret = per_insert_octets_unaligned(no_bytes, &in_ptr, &ptr, *unused)) + == ASN1_ERROR + ) + return ASN1_ERROR; + } else { + if ((ret = per_insert_octets_unaligned(no_bytes - 1, &in_ptr, &ptr, *unused)) + != ASN1_ERROR) { + val = (int) *(++in_ptr); + no_bits = 8 - in_unused; + /* no_bits is always less than *unused since the buffer is + octet aligned after insert:octets call, so the following + if clasuse is obsolete I think */ + if (no_bits < *unused) { + *ptr = *ptr | (val >> (8 - *unused)); + *unused = *unused - no_bits; + } else if (no_bits == *unused) { + *ptr = *ptr | (val >> (8 - *unused)); + *++ptr = 0x00; + ret++; + *unused = 8; + } else { + *ptr = *ptr | (val >> (8 - *unused)); + *++ptr = 0x00; + ret++; + *ptr = *ptr | (val << *unused); + *unused = 8 - (no_bits - *unused); + } + } else + return ASN1_ERROR; + } + *input_ptr = in_ptr; + *output_ptr = ptr; + return ret; +} + +/* + * + * This section defines functionality for the partial decode of a + * BER encoded message + * + */ + +/* + * int decode(ErlNifEnv* env, ERL_NIF_TERM *term, unsigned char *in_buf, + int in_buf_len, unsigned int *err_pos) + * term is a pointer to the term which is to be returned to erlang + * in_buf is a pointer into the buffer of incoming bytes. + * in_buf_len is the length of the incoming buffer. + * The function reads the bytes in the incoming buffer and structures + * it in a nested way as Erlang terms. The buffer contains data in the + * order tag - length - value. Tag, length and value has the following + * format: + * A tag is normally one byte but may be of any length, if the tag number + * is greater than 30. +----------+ + * |CL|C|NNNNN| + * +----------+ + * If NNNNN is 31 then will the 7 l.s.b of each of the following tag number + * bytes contain the tag number. Each tag number byte that is not the last one + * has the m.s.b. set to 1. + * The length can be short definite length (sdl), long definite length (ldl) + * or indefinite length (il). + * sdl: +---------+ the L bits is the length + * |0|LLLLLLL| + * +---------+ + * ldl: +---------+ +---------+ +---------+ +-----------+ + * |1|lllllll| |first len| | | |the Nth len| + * +---------+ +---------+ +---------+ ... +-----------+ + * The first byte tells how many len octets will follow, max 127 + * il: +---------+ +----------------------+ +--------+ +--------+ + * |1|0000000| |content octets (Value)| |00000000| |00000000| + * +---------+ +----------------------+ +--------+ +--------+ + * The value octets are preceded by one octet and followed by two + * exactly as above. The value must be some tag-length-value encoding. + * + * The function returns a value in Erlang nif term format: + * {{TagNo,Value},Rest} + * TagNo is an integer ((CL bsl 16) + tag number) which limits the tag number + * to 65535. + * Value is a binary if the C bit in tag was unset, otherwise (if tag was + * constructed) Value is a list, List. + * List is like: [{TagNo,Value},{TagNo,Value},...] + * Rest is a binary, i.e. the undecoded part of the buffer. Most often Rest + * is the empty binary. + * If some error occured during the decoding of the in_buf an error is returned. + */ +int ber_decode_begin(ErlNifEnv* env, ERL_NIF_TERM *term, unsigned char *in_buf, + int in_buf_len, unsigned int *err_pos) { + int maybe_ret; + int ib_index = 0; + unsigned char *rest_data; + ERL_NIF_TERM decoded_term, rest; + + if ((maybe_ret = ber_decode(env, &decoded_term, in_buf, &ib_index, + in_buf_len)) <= ASN1_ERROR) + { + *err_pos = ib_index; + return maybe_ret; + }; + + // The remaining binary after one ASN1 segment has been decoded + if ((rest_data = enif_make_new_binary(env, in_buf_len - ib_index, &rest)) + == NULL) { + *term = enif_make_atom(env, "could_not_alloc_binary"); + return ASN1_ERROR; + } + + *term = enif_make_tuple2(env, decoded_term, rest); + return ASN1_OK; +} + +int ber_decode(ErlNifEnv* env, ERL_NIF_TERM *term, unsigned char *in_buf, + int *ib_index, int in_buf_len) { + int maybe_ret; + int form; + ERL_NIF_TERM tag, value; + + /*buffer must hold at least two bytes*/ + if ((*ib_index + 2) > in_buf_len) + return ASN1_VALUE_ERROR; + /* "{{TagNo," */ + if ((form = ber_decode_tag(env, &tag, in_buf, in_buf_len, ib_index)) + <= ASN1_ERROR + ) + return form; /* 5 bytes */ + if (*ib_index >= in_buf_len) { + return ASN1_TAG_ERROR; + } + /* buffer must hold at least one byte (0 as length and nothing as + value) */ + /* "{{TagNo,Value}," */ + if ((maybe_ret = ber_decode_value(env, &value, in_buf, ib_index, form, + in_buf_len)) <= ASN1_ERROR + ) + return maybe_ret; /* at least 5 bytes */ + *term = enif_make_tuple2(env, tag, value); + return ASN1_OK; +} + +/* + * decode_tag decodes the BER encoded tag in in_buf and creates an + * nif term tag + */ +int ber_decode_tag(ErlNifEnv* env, ERL_NIF_TERM *tag, unsigned char *in_buf, + int in_buf_len, int *ib_index) { + int tag_no, tmp_tag, form; + + /* first get the class of tag and bit shift left 16*/ + tag_no = ((MASK(in_buf[*ib_index],ASN1_CLASS)) << 10); + + form = (MASK(in_buf[*ib_index],ASN1_FORM)); + + /* then get the tag number */ + if ((tmp_tag = (int) INVMASK(in_buf[*ib_index],ASN1_CLASSFORM)) < 31) { + *tag = enif_make_uint(env, tag_no + tmp_tag); + (*ib_index)++; + } else { + int n = 0; /* n is used to check that the 64K limit is not + exceeded*/ + + /* should check that at least three bytes are left in + in-buffer,at least two tag byte and at least one length byte */ + if ((*ib_index + 3) > in_buf_len) + return ASN1_VALUE_ERROR; + (*ib_index)++; + /* The tag is in the following bytes in in_buf as + 1ttttttt 1ttttttt ... 0ttttttt, where the t-bits + is the tag number*/ + /* In practice is the tag size limited to 64K, i.e. 16 bits. If + the tag is greater then 64K return an error */ + while (((tmp_tag = (int) in_buf[*ib_index]) >= 128) && n < 2) { + /* m.s.b. = 1 */ + tag_no = tag_no + (MASK(tmp_tag,ASN1_LONG_TAG) << 7); + (*ib_index)++; + n++; + }; + if ((n == 2) && in_buf[*ib_index] > 3) + return ASN1_TAG_ERROR; /* tag number > 64K */ + tag_no = tag_no + in_buf[*ib_index]; + (*ib_index)++; + *tag = enif_make_uint(env, tag_no); + } + return form; +} + +/* + * ber_decode_value decodes the BER encoded length and value fields in the + * in_buf and puts the value part in the decode_buf as an Erlang + * nif term into value + */ +int ber_decode_value(ErlNifEnv* env, ERL_NIF_TERM *value, unsigned char *in_buf, + int *ib_index, int form, int in_buf_len) { + int maybe_ret; + unsigned int len = 0; + unsigned int lenoflen = 0; + int indef = 0; + unsigned char *tmp_out_buff; + ERL_NIF_TERM term = 0, curr_head = 0; + + if (((in_buf[*ib_index]) & 0x80) == ASN1_SHORT_DEFINITE_LENGTH) { + len = in_buf[*ib_index]; + } else if (in_buf[*ib_index] == ASN1_INDEFINITE_LENGTH + ) + indef = 1; + else /* long definite length */{ + lenoflen = (in_buf[*ib_index] & 0x7f); /*length of length */ + if (lenoflen > (in_buf_len - (*ib_index + 1))) + return ASN1_LEN_ERROR; + len = 0; + while (lenoflen--) { + (*ib_index)++; + if (!(len < (1 << (sizeof(len) - 1) * 8))) + return ASN1_LEN_ERROR; /* length does not fit in 32 bits */ + len = (len << 8) + in_buf[*ib_index]; + } + } + if (len > (in_buf_len - (*ib_index + 1))) + return ASN1_VALUE_ERROR; + (*ib_index)++; + if (indef == 1) { /* in this case it is desireably to check that indefinite length + end bytes exist in inbuffer */ + curr_head = enif_make_list(env, 0); + while (!(in_buf[*ib_index] == 0 && in_buf[*ib_index + 1] == 0)) { + if (*ib_index >= in_buf_len) + return ASN1_INDEF_LEN_ERROR; + + if ((maybe_ret = ber_decode(env, &term, in_buf, ib_index, in_buf_len)) + <= ASN1_ERROR + ) + return maybe_ret; + curr_head = enif_make_list_cell(env, term, curr_head); + } + enif_make_reverse_list(env, curr_head, value); + (*ib_index) += 2; /* skip the indefinite length end bytes */ + } else if (form == ASN1_CONSTRUCTED) + { + int end_index = *ib_index + len; + if (end_index > in_buf_len) + return ASN1_LEN_ERROR; + curr_head = enif_make_list(env, 0); + while (*ib_index < end_index) { + + if ((maybe_ret = ber_decode(env, &term, in_buf, ib_index, + in_buf_len)) <= ASN1_ERROR + ) + return maybe_ret; + curr_head = enif_make_list_cell(env, term, curr_head); + } + enif_make_reverse_list(env, curr_head, value); + } else { + if ((*ib_index + len) > in_buf_len) + return ASN1_LEN_ERROR; + tmp_out_buff = enif_make_new_binary(env, len, value); + memcpy(tmp_out_buff, in_buf + *ib_index, len); + *ib_index = *ib_index + len; + } + return ASN1_OK; +} + +struct ber_encode_mem_chunk { + mem_chunk_t *next; + int length; + char *top; + char *curr; +}; + +int ber_encode(ErlNifEnv *env, ERL_NIF_TERM term, mem_chunk_t **curr, unsigned int *count) { + + const ERL_NIF_TERM *tv; + unsigned int form; + int arity; + + if (!enif_get_tuple(env, term, &arity, &tv)) + return ASN1_ERROR; + + form = enif_is_list(env, tv[1]) ? ASN1_CONSTRUCTED : ASN1_PRIMITIVE; + + switch (form) { + case ASN1_PRIMITIVE: { + ErlNifBinary value; + if (!enif_inspect_binary(env, tv[1], &value)) + return ASN1_ERROR; + + if (ber_check_memory(curr, value.size)) + return ASN1_ERROR; + memcpy((*curr)->curr - value.size + 1, value.data, value.size); + (*curr)->curr -= value.size; + *count += value.size; + + if (ber_encode_length(value.size, curr, count)) + return ASN1_ERROR; + + break; + } + case ASN1_CONSTRUCTED: { + ERL_NIF_TERM head, tail; + unsigned int tmp_cnt; + + if(!enif_make_reverse_list(env, tv[1], &head)) + return ASN1_ERROR; + + if (!enif_get_list_cell(env, head, &head, &tail)) { + if (enif_is_empty_list(env, tv[1])) { + *((*curr)->curr) = 0; + (*curr)->curr -= 1; + (*count)++; + break; + } else + return ASN1_ERROR; + } + + do { + tmp_cnt = 0; + if (ber_encode(env, head, curr, &tmp_cnt)) { + return ASN1_ERROR; + } + *count += tmp_cnt; + } while (enif_get_list_cell(env, tail, &head, &tail)); + + if (ber_check_memory(curr, *count)) { + return ASN1_ERROR; + } + + if (ber_encode_length(*count, curr, count)) { + return ASN1_ERROR; + } + + break; + } + } + + // We need atleast 5 bytes to encode the next tlv + if (ber_check_memory(curr, 3)) + return ASN1_ERROR; + + if (ber_encode_tag(env, tv[0], form, curr, count)) + return ASN1_ERROR; + + return ASN1_OK; +} + +int ber_encode_tag(ErlNifEnv *env, ERL_NIF_TERM tag, unsigned int form, + mem_chunk_t **curr, unsigned int *count) { + unsigned int class_tag_no, head_tag; + if (!enif_get_uint(env, tag, &class_tag_no)) + return ASN1_ERROR; + + head_tag = form | ((class_tag_no & 0x30000) >> 10); + class_tag_no = class_tag_no & 0xFFFF; + + if (class_tag_no <= 30) { + *(*curr)->curr = head_tag | class_tag_no; + (*curr)->curr -= 1; + (*count)++; + return ASN1_OK; + } else { + *(*curr)->curr = class_tag_no & 127; + class_tag_no = class_tag_no >> 7; + (*curr)->curr -= 1; + (*count)++; + + while (class_tag_no > 0) { + *(*curr)->curr = (class_tag_no & 127) | 0x80; + class_tag_no >>= 7; + (*curr)->curr -= 1; + (*count)++; + } + + *(*curr)->curr = head_tag | 0x1F; + (*curr)->curr -= 1; + (*count)++; + + return ASN1_OK; + } +} + +int ber_encode_length(size_t size, mem_chunk_t **curr, unsigned int *count) { + if (size < 128) { + if (ber_check_memory(curr, 1u)) + return ASN1_ERROR; + *(*curr)->curr = size; + (*curr)->curr -= 1; + (*count)++; + } else { + int chunks = size / 256 + 1; + if (ber_check_memory(curr, chunks + 1)) + return ASN1_ERROR; + + while (size > 0) + { + *(*curr)->curr = size & 0xFF; + size >>= 8; + (*curr)->curr -= 1; + (*count)++; + } + + *(*curr)->curr = chunks | 0x80; + (*curr)->curr -= 1; + (*count)++; + } + return ASN1_OK; +} + +mem_chunk_t *ber_new_chunk(unsigned int length) { + mem_chunk_t *new = enif_alloc(sizeof(mem_chunk_t)); + if (new == NULL) + return NULL; + new->next = NULL; + new->top = enif_alloc(sizeof(char) * length); + if (new->top == NULL) { + free(new); + return NULL; + } + new->curr = new->top + length - 1; + new->length = length; + return new; +} + +void ber_free_chunks(mem_chunk_t *chunk) { + mem_chunk_t *curr, *next = chunk; + while (next != NULL) { + curr = next; + next = curr->next; + enif_free(curr->top); + enif_free(curr); + } +} + +int ber_check_memory(mem_chunk_t **curr, unsigned int needed) { + mem_chunk_t *new; + if ((*curr)->curr-needed >= (*curr)->top) + return ASN1_OK; + + if ((new = ber_new_chunk((*curr)->length > needed ? (*curr)->length * 2 : (*curr)->length + needed)) == NULL) + return ASN1_ERROR; + new->next = *curr; + *curr = new; + return ASN1_OK; +} + +static ERL_NIF_TERM encode_per_complete(ErlNifEnv* env, int argc, + const ERL_NIF_TERM argv[]) { + ERL_NIF_TERM err_code; + ErlNifBinary in_binary; + ErlNifBinary out_binary; + int complete_len; + if (!enif_inspect_iolist_as_binary(env, argv[0], &in_binary)) + return enif_make_atom(env, "badarg"); + + if (!enif_alloc_binary(in_binary.size, &out_binary)) + return enif_make_atom(env, "alloc_binary_failed"); + + if (in_binary.size == 0) + return enif_make_binary(env, &out_binary); + + if ((complete_len = per_complete(&out_binary, in_binary.data, + in_binary.size)) <= ASN1_ERROR) { + enif_release_binary(&out_binary); + if (complete_len == ASN1_ERROR + ) + err_code = enif_make_uint(env, '1'); + else + err_code = enif_make_uint(env, 0); + return enif_make_tuple2(env, enif_make_atom(env, "error"), err_code); + } + if (complete_len < out_binary.size) + enif_realloc_binary(&out_binary, complete_len); + + return enif_make_binary(env, &out_binary); +} + +static ERL_NIF_TERM decode_ber_tlv(ErlNifEnv* env, int argc, + const ERL_NIF_TERM argv[]) { + ErlNifBinary in_binary; + ERL_NIF_TERM return_term; + unsigned int err_pos = 0, return_code; + + if (!enif_inspect_iolist_as_binary(env, argv[0], &in_binary)) + return enif_make_badarg(env); + + if ((return_code = ber_decode_begin(env, &return_term, in_binary.data, + in_binary.size, &err_pos)) != ASN1_OK + ) + return enif_make_tuple2(env, enif_make_atom(env,"error"), enif_make_tuple2(env, + enif_make_int(env, return_code),enif_make_int(env, err_pos))); + return return_term; +} + +static ERL_NIF_TERM encode_ber_tlv(ErlNifEnv* env, int argc, + const ERL_NIF_TERM argv[]) { + ErlNifBinary out_binary; + unsigned int length = 0, pos = 0; + int encode_err; + mem_chunk_t *curr, *top; + ERL_NIF_TERM err_code; + + curr = ber_new_chunk(40); + + if ((encode_err = ber_encode(env, argv[0], &curr, &length)) + <= ASN1_ERROR) { + ber_free_chunks(curr); + err_code = enif_make_int(env, encode_err); + return enif_make_tuple2(env, enif_make_atom(env, "error"), err_code); + } + + if (!enif_alloc_binary(length, &out_binary)) { + ber_free_chunks(curr); + return enif_make_tuple2(env, enif_make_atom(env, "error"), enif_make_atom(env,"oom")); + } + + top = curr; + + while (curr != NULL) { + length = curr->length - (curr->curr-curr->top) -1; + if (length > 0) + memcpy(out_binary.data + pos, curr->curr+1, length); + pos += length; + curr = curr->next; + } + + ber_free_chunks(top); + + return enif_make_binary(env, &out_binary); +} + +static int is_ok_load_info(ErlNifEnv* env, ERL_NIF_TERM load_info) { + int i; + return enif_get_int(env, load_info, &i) && i == 1; +} + +static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info) { + if (!is_ok_load_info(env, load_info)) + return -1; + return 0; +} + +static int upgrade(ErlNifEnv* env, void** priv_data, void** old_priv_data, + ERL_NIF_TERM load_info) { + if (!is_ok_load_info(env, load_info)) + return -1; + return 0; +} + +static void unload(ErlNifEnv* env, void* priv_data) { + +} + +static ErlNifFunc nif_funcs[] = { { "encode_per_complete", 1, + encode_per_complete }, { "decode_ber_tlv", 1, decode_ber_tlv }, { + "encode_ber_tlv", 1, encode_ber_tlv } }; + +ERL_NIF_INIT(asn1rt_nif, nif_funcs, load, NULL, upgrade, unload) diff --git a/lib/asn1/doc/src/asn1_spec.xmlsrc b/lib/asn1/doc/src/asn1_spec.xmlsrc index 8d61834da8..07cba17816 100644 --- a/lib/asn1/doc/src/asn1_spec.xmlsrc +++ b/lib/asn1/doc/src/asn1_spec.xmlsrc @@ -4,7 +4,7 @@ <chapter> <header> <copyright> - <year>2003</year><year>2009</year> + <year>2003</year><year>2011</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -43,7 +43,7 @@ <p>So far this functionality is only provided when using the optimized BER_BIN version, that is when compiling with the options <c>ber_bin</c> and <c>optimize</c>. It does also work - using the <c>driver</c> option. We have no intent to make this + using the <c>nif</c> option. We have no intent to make this available on the default BER version, but maybe in the PER_BIN version (<c>per_bin</c>). </p> @@ -661,7 +661,9 @@ ValAction = {'Action',17,{'Button',4711,false}}. <p>The ASN.1 specs in the test are compiled with the options <c>ber_bin, optimize, driver</c> and <c>asn1config</c>. If the <c>driver</c> option had been omitted there should have been - higher values for <c>decode</c> and <c>decode_part</c>. + higher values for <c>decode</c> and <c>decode_part</c>. These tests have + not been re-run using nifs, but are expected to perform about 5% better + than the linked-in driver. </p> <p>The test program runs 10000 decodes on the value, resulting in a printout with the elapsed time in microseconds for the diff --git a/lib/asn1/doc/src/asn1_ug.xml b/lib/asn1/doc/src/asn1_ug.xml index 12d986308f..1b399fb641 100644 --- a/lib/asn1/doc/src/asn1_ug.xml +++ b/lib/asn1/doc/src/asn1_ug.xml @@ -4,7 +4,7 @@ <chapter> <header> <copyright> - <year>1997</year><year>2010</year> + <year>1997</year><year>2011</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -347,7 +347,7 @@ erlc -o ../asnfiles -I ../asnfiles -I /usr/local/standards/asn1 Person.asn <p>This flag has effect only when used together with one of <c>per_bin</c> or <c>ber_bin</c> flags. It gives time optimized code in the generated modules and it uses another runtime module. - In the <c>per_bin</c> case a linked-in driver is used. The + In the <c>per_bin</c> case a nif is used. The result from an encode is a binary.</p> <p><em>When this flag is used you cannot use the old format</em><c>{TypeName,Value}</c> when you encode values. Since it is an unnecessary construct it has been removed in favor of @@ -362,9 +362,14 @@ erlc -o ../asnfiles -I ../asnfiles -I /usr/local/standards/asn1 Person.asn </item> <tag><c>+driver</c></tag> <item> - <p>Together with the flags <c>ber_bin</c> and <c>optimize</c> - you choose to use a linked in driver for considerable faster - decode.</p> + <p>As of R15B this means the same as the <c>nif</c> option. Kept for + backwards compatability reasons.</p> + </item> + <tag><c>+nif</c></tag> + <item> + <p>Together with the flags <c>ber_bin</c> + and <c>optimize</c> you choose to use a nif for considerable + faster encode and decode. </p> </item> <tag><c>+asn1config</c></tag> <item> @@ -492,7 +497,7 @@ asn1ct:decode('H323-MESSAGES','SomeChoiceType',Bytes). </pre> </row> <row> <cell align="left" valign="middle">BER</cell> - <cell align="left" valign="middle"><em>[ber_bin, optimize, driver]</em></cell> + <cell align="left" valign="middle"><em>[ber_bin, optimize, nif]</em></cell> <cell align="left" valign="middle">EAVF</cell> <cell align="left" valign="middle">iolist</cell> <cell align="left" valign="middle">iolist / binary</cell> @@ -557,7 +562,7 @@ asn1ct:decode('H323-MESSAGES','SomeChoiceType',Bytes). </pre> </row> <row> <cell align="left" valign="middle">DER</cell> - <cell align="left" valign="middle"><em>[ber_bin, optimize, driver, der]</em></cell> + <cell align="left" valign="middle"><em>[ber_bin, optimize, nif, der]</em></cell> <cell align="left" valign="middle">EAVF</cell> <cell align="left" valign="middle">iolist</cell> <cell align="left" valign="middle">binary</cell> @@ -626,23 +631,24 @@ asn1ct:decode('H323-MESSAGES','SomeChoiceType',Bytes). </pre> </table> <p> - The sole compile options <c>ber</c>, <c>ber_bin</c> and <c>per</c> - are kept for backwards compatibility and should not be used in - new code. + The compile options <c>ber</c>, <c>per</c> and + <c>driver</c> are kept for backwards compatibility and should not be + used in new code. The nif implementation which replaces the linked-in + driver has been shown to be about 5-15% faster. </p> <p> You are strongly recommended to use the appropriate alternative of the bold typed options. The <c>optimize</c> and - <c>driver</c> options does not affect the encode or decode + <c>nif</c> options does not affect the encode or decode result, just the time spent in run-time. When <c>ber_bin</c> and - <c>driver</c> or <c>per_bin, optimize</c> and <c>driver</c> is - combined the C-code driver is used in chosen parts of encode / + <c>nif</c> or <c>per_bin</c> and <c>optimize</c> is + combined the C-code nif is used in chosen parts of encode / decode procedure. </p> <table> <row> <cell align="left" valign="middle"><em>Compile options, allowed combinations</em></cell> - <cell align="left" valign="middle"><em>use of linked-in driver</em></cell> + <cell align="left" valign="middle"><em>use of nif</em></cell> </row> <row> <cell align="left" valign="middle">[ber]</cell> @@ -657,7 +663,7 @@ asn1ct:decode('H323-MESSAGES','SomeChoiceType',Bytes). </pre> <cell align="left" valign="middle">no</cell> </row> <row> - <cell align="left" valign="middle"><em>[ber_bin, optimize, driver]</em></cell> + <cell align="left" valign="middle"><em>[ber_bin, optimize, nif]</em></cell> <cell align="left" valign="middle">yes</cell> </row> <row> @@ -690,12 +696,12 @@ asn1ct:decode('H323-MESSAGES','SomeChoiceType',Bytes). </pre> <cell align="left" valign="middle">no</cell> </row> <row> - <cell align="left" valign="middle"><em>[ber_bin, optimize, driver, der]</em></cell> + <cell align="left" valign="middle"><em>[ber_bin, optimize, nif, der]</em></cell> <cell align="left" valign="middle">yes</cell> </row> - <tcaption>When the ASN1 linked-in driver is used.</tcaption> + <tcaption>When the ASN1 nif is used.</tcaption> </table> </section> @@ -712,14 +718,14 @@ asn1rt:decode('H323-MESSAGES','SomeChoiceType',Bytes). </pre> <pre> 'H323-MESSAGES':encode('SomeChoiceType',{call,"octetstring"}). 'H323-MESSAGES':decode('SomeChoiceType',Bytes). </pre> - <p>The asn1 linked-in driver is enabled in two occasions: encoding of + <p>The asn1 nif is enabled in two occasions: encoding of asn1 values when the asn1 spec is compiled with <c>per_bin</c> and <c>optimize</c> or decode of encoded asn1 values when the asn1 spec is - compiled with <c>ber_bin</c>, <c>optimize</c> and <c>driver</c>. In - those cases the driver will be loaded automatically at the first call + compiled with <c>ber_bin</c>, <c>optimize</c> and <c>nif</c>. In + those cases the nif will be loaded automatically at the first call to <c>encode</c>/<c>decode</c>. If one doesn't want the performance - overhead of the driver being loaded at the first call it is possible - to load the driver separately by <c>asn1rt:load_driver()</c>. </p> + overhead of the nif being loaded at the first call it is possible + to load the nif separately by loading the <c>asn1rt_nif</c> module.</p> <p>By invoking the function <c>info/0</c> in a generated module, one gets information about which compiler options were used.</p> </section> diff --git a/lib/asn1/doc/src/asn1ct.xml b/lib/asn1/doc/src/asn1ct.xml index 50458b4a9a..0b9ec3df7f 100644 --- a/lib/asn1/doc/src/asn1ct.xml +++ b/lib/asn1/doc/src/asn1ct.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1997</year><year>2010</year> + <year>1997</year><year>2011</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -52,7 +52,7 @@ <v>Options = [Option| OldOption]</v> <v>Option = ber_bin | per_bin | uper_bin | der | compact_bit_string | noobj | {n2n,EnumTypeName} |{outdir,Dir} | {i,IncludeDir} | optimize | - driver | asn1config | undec_rest | {inline,OutputName} | inline | + nif | asn1config | undec_rest | {inline,OutputName} | inline | {macro_name_prefix, Prefix} | {record_name_prefix, Prefix} | verbose | warnings_as_errors</v> <v>OldOption = ber | per</v> <v>Reason = term()</v> @@ -212,16 +212,21 @@ Binary = binary() <c>per_bin</c> or <c>ber_bin</c> option. It gives time optimized code generated and it uses another runtime module and - in the <c>per_bin</c> case a linked-in driver. The result + in the <c>per_bin</c> case a nif. The result in the <c>per_bin</c> case from an encode when compiled with this option will be a binary.</p> </item> <tag><c>driver</c></tag> <item> + <p>As of R15B this means the same as the <c>nif</c> option. Kept for + backwards compatability reasons.</p> + </item> + <tag><c>nif</c></tag> + <item> <p>Option valid together with <c>ber_bin</c> and <c>optimize</c> - options. It enables the use of a linked-in driver that gives - considerable faster decode. In <c>ber_bin</c> the driver is - enabled only by explicit use of the option <c>driver</c>.</p> + options. It enables the use of several nifs that gives faster + encode and decode. Nifs are only enabled by the explicit use of + the option <c>nif</c></p> </item> <tag><c>asn1config</c></tag> <item> @@ -264,7 +269,11 @@ Binary = binary() <c>.set.asn</c> are exported, unless a <c>{export,[atom()]}</c> or <c>{export_all,true}</c> option are provided. The list of atoms are names of chosen asn1 - specs from the <c>.set.asn</c> file.</p> + specs from the <c>.set.asn</c> file. </p> + <p>When used together with <c>nif</c> for <c>ber_bin</c>, the + asn1 nifs will be used if the <c>asn1rt_nif</c> module is + available. If it is not available, a slower erlang fallback + will be used.</p> </item> <tag><c>inline</c></tag> <item> @@ -347,18 +356,6 @@ Binary = binary() </desc> </func> <func> - <name>validate(Module,Type,Value) -> ok | {error,Reason}</name> - <fsummary>Validate an ASN.1 value.</fsummary> - <type> - <v>Module = Type = atom()</v> - <v>Value = term()</v> - </type> - <desc> - <p>Validates that <c>Value</c> conforms to <c>Type</c> - from <c>Module</c>. <em>Not implemented in this version of the ASN.1 application.</em></p> - </desc> - </func> - <func> <name>value(Module ,Type) -> {ok,Value} | {error,Reason}</name> <fsummary>Create an ASN.1 value for test purposes.</fsummary> <type> diff --git a/lib/asn1/doc/src/asn1rt.xml b/lib/asn1/doc/src/asn1rt.xml index 1217a07e9b..0c3c257189 100644 --- a/lib/asn1/doc/src/asn1rt.xml +++ b/lib/asn1/doc/src/asn1rt.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1997</year><year>2009</year> + <year>1997</year><year>2011</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -42,36 +42,6 @@ <funcs> <func> - <name>start() -> ok |{error,Reason}</name> - <fsummary>Starts the asn1 server.</fsummary> - <type> - <v>Reason = term()</v> - </type> - <desc> - <p>Starts the asn1 server that loads the drivers.</p> - <p>The server schedules a driver that is not blocked by - another caller. The driver is used by the asn1 application if - specs are compiled with options <c>[per_bin, optimize]</c> or - <c>[ber_bin, optimize, driver]</c>. The server will be started - automatically at encode/decode if it isn't done explicitly. If - encode/decode with driver is used in test or industrial code - it is a performance gain to start it explicitly to avoid the - one time load in run-time.</p> - </desc> - </func> - - <func> - <name>stop() -> ok |{error,Reason}</name> - <fsummary>Stops the asn1 server.</fsummary> - <type> - <v>Reason = term()</v> - </type> - <desc> - <p>Stops the asn1 server and unloads the drivers.</p> - </desc> - </func> - - <func> <name>decode(Module,Type,Bytes) -> {ok,Value}|{error,Reason}</name> <fsummary>Decode from bytes into an ASN.1 value.</fsummary> <type> @@ -126,35 +96,23 @@ <func> <name>load_driver() -> ok | {error,Reason}</name> - <fsummary>Loads the linked-in driver.</fsummary> + <fsummary>Loads the linked-in driver. (deprecated)</fsummary> <type> <v>Reason = term()</v> </type> <desc> - <p>This function loads the linked-in driver before the first call - to encode. If this function is not called the driver will be loaded - automatically at the first call to encode. If one doesn't want the - performance cost of a driver load when the application is running, - this function makes it possible to load the driver in an - initialization.</p> - <p>The driver is only used when encoding/decoding ASN.1 files that - were compiled with the options <c>per_bin</c> and <c>optimize</c>.</p> + <p>This function is obsolete and will be removed in R16A</p> </desc> </func> <func> <name>unload_driver() -> ok | {error,Reason}</name> - <fsummary>Unloads the linked-in driver.</fsummary> + <fsummary>Unloads the linked-in driver. (deprecated)</fsummary> <type> <v>Reason = term()</v> </type> <desc> - <p>This function unloads the linked-in driver. - When the driver has been loaded it remains in the environment until - it is unloaded. Normally the driver should remain loaded, it is - crucial for the performance of ASN.1 encoding. </p> - <p>The driver is only used when ASN.1 modules have been compiled - with the flags <c>per_bin</c> and <c>optimize</c>.</p> + <p>This function is obsolete and will be removed in R16A</p> </desc> </func> @@ -188,19 +146,6 @@ value, to a UTF8 encoded binary.</p> </desc> </func> - - <func> - <name>validate(Module,Type,Value) -> ok | {error,Reason}</name> - <fsummary>Validate an ASN.1 value.</fsummary> - <type> - <v>Module = Type = atom()</v> - <v>Value = term()</v> - </type> - <desc> - <p>Validates that <c>Value</c> conforms to <c>Type</c> - from <c>Module</c>. <em>Not implemented in this version of the ASN.1 application.</em></p> - </desc> - </func> </funcs> diff --git a/lib/asn1/src/Makefile b/lib/asn1/src/Makefile index 2733cde3f8..3a59773d93 100644 --- a/lib/asn1/src/Makefile +++ b/lib/asn1/src/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1997-2009. All Rights Reserved. +# Copyright Ericsson AB 1997-2011. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -68,7 +68,7 @@ RT_MODULES= \ asn1rt_per_bin_rt2ct \ asn1rt_uper_bin \ asn1rt_check \ - asn1rt_driver_handler + asn1rt_nif # asn1_sup \ # asn1_app \ # asn1_server diff --git a/lib/asn1/src/asn1.app.src b/lib/asn1/src/asn1.app.src index abacb0a1e9..09144ba2f7 100644 --- a/lib/asn1/src/asn1.app.src +++ b/lib/asn1/src/asn1.app.src @@ -9,12 +9,11 @@ asn1rt_ber_bin, asn1rt_ber_bin_v2, asn1rt_check, - asn1rt_driver_handler + asn1rt_nif ]}, {registered, [ asn1_ns, - asn1db, - asn1_driver_owner + asn1db ]}, {env, []}, {applications, [kernel, stdlib]} diff --git a/lib/asn1/src/asn1_app.erl b/lib/asn1/src/asn1_app.erl index 2d3eed1743..9fff96e0bf 100644 --- a/lib/asn1/src/asn1_app.erl +++ b/lib/asn1/src/asn1_app.erl @@ -28,7 +28,7 @@ %% {error, Reason} %% start(_Type, _StartArgs) -> - asn1_sup:start_link(). + {ok, self()}. %% stop(State) %% diff --git a/lib/asn1/src/asn1_server.erl b/lib/asn1/src/asn1_server.erl deleted file mode 100644 index aeb59d8b0c..0000000000 --- a/lib/asn1/src/asn1_server.erl +++ /dev/null @@ -1,107 +0,0 @@ -%% ``The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved via the world wide web at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% The Initial Developer of the Original Code is Ericsson Utvecklings AB. -%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings -%% AB. All Rights Reserved.'' -%% -%% $Id$ -%% - -%% Purpose: Provide complete encode/and pre-decode of asn1. --module(asn1_server). - - - --behaviour(gen_server). - --export([start_link/0,client_port/0]). - -%% Internal exports, call-back functions. --export([init/1,handle_call/3,handle_cast/2,handle_info/2,code_change/3, - terminate/2]). - - -%% Macros --define(port_names, - { asn1_drv01, asn1_drv02, asn1_drv03, asn1_drv04, - asn1_drv05, asn1_drv06, asn1_drv07, asn1_drv08, - asn1_drv09, asn1_drv10, asn1_drv11, asn1_drv12, - asn1_drv13, asn1_drv14, asn1_drv15, asn1_drv16 }). -%%% -------------------------------------------------------- -%%% Interface Functions. -%%% -------------------------------------------------------- - -start_link() -> - gen_server:start_link({local, asn1_server}, asn1_server, [], []). - -init([]) -> - process_flag(trap_exit, true), - erl_ddll:start(), - PrivDir = code:priv_dir(asn1), - LibDir1 = filename:join([PrivDir, "lib"]), - case erl_ddll:load_driver(LibDir1, asn1_erl_drv) of - ok -> ok; - {error,_} -> - LibDir2 = - filename:join(LibDir1, - erlang:system_info(system_architecture)), - erl_ddll:load_driver(LibDir2, asn1_erl_drv) - end, - open_ports("asn1_erl_drv",size(?port_names)). - -open_ports(_,0) -> - {ok, []}; -open_ports(Cmd,N) -> - Port = open_port({spawn, Cmd}, []), - %% check that driver is loaded, linked and working - case catch port_control(Port, 0, []) of - {'EXIT', _} -> - {stop, nodriver}; - _ -> - register(element(N,?port_names), Port), - open_ports(Cmd,N-1) - end. - -client_port() -> - element(erlang:system_info(scheduler_id) rem size(?port_names) + 1, - ?port_names). - - -%%% -------------------------------------------------------- -%%% The call-back functions. -%%% -------------------------------------------------------- - -handle_call(_, _, State) -> - {noreply, State}. - -handle_cast(_, State) -> - {noreply, State}. - -handle_info({'EXIT', Pid, _Reason}, State) when is_pid(Pid) -> - {noreply, State}; - -handle_info({'EXIT', Port, Reason}, State) when is_port(Port) -> - {stop, {port_died, Reason}, State}; -handle_info(_, State) -> - {noreply, State}. - -code_change(_OldVsn, State, _Extra) -> - {ok, State}. - -terminate(_Reason, _State) -> - close_ports(size(?port_names)). - -close_ports(0) -> - ok; -close_ports(N) -> - element(N,?port_names) ! {self(), close}, %% almost same as port_close(Name) - close_ports(N-1). diff --git a/lib/asn1/src/asn1_sup.erl b/lib/asn1/src/asn1_sup.erl deleted file mode 100644 index a241dec6f4..0000000000 --- a/lib/asn1/src/asn1_sup.erl +++ /dev/null @@ -1,37 +0,0 @@ -%% ``The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved via the world wide web at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% The Initial Developer of the Original Code is Ericsson Utvecklings AB. -%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings -%% AB. All Rights Reserved.'' -%% -%% $Id$ -%% - -%% Purpose: Main supervisor in asn1 application. - --module(asn1_sup). - --behaviour(supervisor). - --export([start_link/0, init/1]). - -start_link() -> - supervisor:start_link({local, asn1_sup}, asn1_sup, []). - - -%% init([]) -%% Returns: {ok, {SupFlags, [ChildSpec]}} -%% -init([]) -> - Child = {asn1_server, {asn1_server, start_link, []}, - permanent, 2000, worker, [asn1_server]}, - {ok, {{one_for_all, 10, 3600}, [Child]}}. diff --git a/lib/asn1/src/asn1ct.erl b/lib/asn1/src/asn1ct.erl index e26fadd160..85bb5b2f28 100644 --- a/lib/asn1/src/asn1ct.erl +++ b/lib/asn1/src/asn1ct.erl @@ -47,6 +47,10 @@ -import(asn1ct_gen_ber_bin_v2,[encode_tag_val/3,decode_class/1]). +-ifndef(vsn). +-define(vsn,"0.0.1"). +-endif. + -define(unique_names,0). -define(dupl_uniquedefs,1). -define(dupl_equaldefs,2). @@ -81,6 +85,12 @@ compile(File) -> compile(File,[]). compile(File,Options) when is_list(Options) -> + case lists:member(driver, Options) of %% remove me in R16A! + true -> + io:format("Warning: driver option is obsolete and will be removed in R16A, use nif instead!"); + false -> + ok + end, Options1 = optimize_ber_bin(Options), Options2 = includes(File,Options1), Includes=[I||{i,I}<-Options2], @@ -1085,7 +1095,7 @@ get_runtime_mod(Options) -> ber_bin_v2 -> ["asn1rt_ber_bin_v2.erl"]; uper_bin -> ["asn1rt_uper_bin.erl"] end, - RtMod1++["asn1rt_check.erl","asn1rt_driver_handler.erl","asn1rt.erl"]. + RtMod1++["asn1rt_check.erl","asn1rt.erl"]. erl_compile(OutFile,Options) -> diff --git a/lib/asn1/src/asn1ct_constructed_ber_bin_v2.erl b/lib/asn1/src/asn1ct_constructed_ber_bin_v2.erl index e3be914af4..243ff234a7 100644 --- a/lib/asn1/src/asn1ct_constructed_ber_bin_v2.erl +++ b/lib/asn1/src/asn1ct_constructed_ber_bin_v2.erl @@ -877,13 +877,13 @@ gen_dec_choice(Erules,TopType, _ChTag, CompList, Ext) -> emit([indent(9),"exit({error,{asn1,{invalid_choice_tag,", {curr,else},"}}})",nl]); _ -> - emit([indent(9),"{asn1_ExtAlt, ?RT_BER:encode(",{curr,else},")}",nl]) + emit([indent(9),"{asn1_ExtAlt, ?RT_BER:encode(",{curr,else}, + asn1ct_gen:nif_parameter(),")}",nl]) end, emit([indent(3),"end",nl]), asn1ct_name:new(tag), asn1ct_name:new(else). - gen_dec_choice_cases(_Erules,_TopType, []) -> ok; gen_dec_choice_cases(Erules,TopType, [H|T]) -> @@ -1227,7 +1227,7 @@ gen_dec_call({typefield,_},_,_,_Cname,Type,BytesVar,Tag,_,_,false,_) -> emit([nl,indent(6),"begin",nl]), % emit([indent(9),{curr,opendec}," = ?RT_BER:decode_open_type(", emit([indent(9),{curr,tmptlv}," = ?RT_BER:decode_open_type(", - BytesVar,",",{asis,Tag},"),",nl]), + BytesVar,",",{asis,Tag},asn1ct_gen:nif_parameter(),"),",nl]), % emit([indent(9),"{",{curr,tmptlv},",_} = ?RT_BER:decode(", % {curr,opendec},"),",nl]), @@ -1242,7 +1242,8 @@ gen_dec_call({typefield,_},_,_,_Cname,Type,BytesVar,Tag,_,_,false,_) -> emit([indent(9),"end",nl,indent(6),"end",nl]), []; gen_dec_call({typefield,_},_,_,Cname,Type,BytesVar,Tag,_,_,_DecObjInf,OptOrMandComp) -> - emit(["?RT_BER:decode_open_type(",BytesVar,",",{asis,Tag},")"]), + emit(["?RT_BER:decode_open_type(",BytesVar,",",{asis,Tag}, + asn1ct_gen:nif_parameter(),")"]), RefedFieldName = % asn1ct_gen:get_constraint(Type#type.constraint, % tableconstraint_info), @@ -1250,7 +1251,8 @@ gen_dec_call({typefield,_},_,_,Cname,Type,BytesVar,Tag,_,_,_DecObjInf,OptOrMandC [{Cname,RefedFieldName,asn1ct_gen:mk_var(asn1ct_name:curr(term)), asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),Tag,OptOrMandComp}]; gen_dec_call({objectfield,PrimFieldName,PFNList},_,_,Cname,_,BytesVar,Tag,_,_,_,OptOrMandComp) -> - emit(["?RT_BER:decode_open_type(",BytesVar,",",{asis,Tag},")"]), + emit(["?RT_BER:decode_open_type(",BytesVar,",",{asis,Tag}, + asn1ct_gen:nif_parameter(),")"]), [{Cname,{PrimFieldName,PFNList},asn1ct_gen:mk_var(asn1ct_name:curr(term)), asn1ct_gen:mk_var(asn1ct_name:curr(tmpterm)),Tag,OptOrMandComp}]; gen_dec_call(InnerType,Erules,TopType,Cname,Type,BytesVar,Tag,PrimOptOrMand, diff --git a/lib/asn1/src/asn1ct_constructed_per.erl b/lib/asn1/src/asn1ct_constructed_per.erl index c1b6aa5713..e07680f10b 100644 --- a/lib/asn1/src/asn1ct_constructed_per.erl +++ b/lib/asn1/src/asn1ct_constructed_per.erl @@ -73,16 +73,23 @@ gen_encode_constructed(Erule,Typename,D) when is_record(D,type) -> _ -> ok end, - case {Optionals = optionals(to_textual_order(CompList)),CompList} of - {[],EmptyCL} when EmptyCL == {[],[],[]};EmptyCL == {[],[]};EmptyCL == [] -> + case {Optionals = optionals(to_textual_order(CompList)),CompList, + is_optimized(Erule)} of + {[],EmptyCL,_} when EmptyCL == {[],[],[]};EmptyCL == {[],[]};EmptyCL == [] -> emit(["%%Variable setting just to eliminate ", "compiler warning for unused vars!",nl, "_Val = ",{curr,val},",",nl]); - {[],_} -> + {[],_,_} -> emit([{next,val}," = ?RT_PER:list_to_record("]), emit(["'",asn1ct_gen:list2rname(Typename),"'"]), emit([", ",{curr,val},"),",nl]); - _ -> + {_,_,true} -> + gen_fixoptionals(Optionals), + FixOpts = param_map(fun(Var) -> + {var,Var} + end,asn1ct_name:all(fixopt)), + emit({"{",{next,val},",Opt} = {",{curr,val},",[",FixOpts,"]},",nl}); + {_,_,false} -> Fixoptcall = ",Opt} = ?RT_PER:fixoptionals(", emit({"{",{next,val},Fixoptcall, {asis,Optionals},",",length(Optionals), @@ -439,9 +446,7 @@ gen_encode_sof(Erule,Typename,SeqOrSetOf,D) when is_record(D,type) -> _-> "" end, - emit({nl,indent(3),"?RT_PER:encode_length(", - {asis,SizeConstraint}, - ",length(Val)),",nl}), + gen_encode_length(SizeConstraint, is_optimized(Erule)), emit({indent(3),"'enc_",asn1ct_gen:list2name(Typename), "_components'(Val",ObjFun,", [])"}), emit({nl,"].",nl}), @@ -453,6 +458,42 @@ gen_encode_sof(Erule,Typename,SeqOrSetOf,D) when is_record(D,type) -> end, gen_encode_sof_components(Erule,Typename,SeqOrSetOf,NewComponentType). + +%% Logic copied from asn1_per_bin_rt2ct:encode_constrained_number +gen_encode_length({Lb,Ub},true) when Ub =< 65535, Lb >= 0 -> + Range = Ub - Lb + 1, + V2 = ["(length(Val) - ",Lb,")"], + Encode = if + Range == 1 -> + "[]"; + Range == 2 -> + {"[",V2,"]"}; + Range =< 4 -> + {"[10,2,",V2,"]"}; + Range =< 8 -> + {"[10,3,",V2,"]"}; + Range =< 16 -> + {"[10,4,",V2,"]"}; + Range =< 32 -> + {"[10,5,",V2,"]"}; + Range =< 64 -> + {"[10,6,",V2,"]"}; + Range =< 128 -> + {"[10,7,",V2,"]"}; + Range =< 255 -> + {"[10,8,",V2,"]"}; + Range =< 256 -> + {"[20,1,",V2,"]"}; + Range =< 65536 -> + {"[20,2,<<",V2,":16>>]"}; + true -> + {"?RT_PER:encode_length(",{asis,{Lb,Ub}},",length(Val))"} + end, + emit({nl,Encode,",",nl}); +gen_encode_length(SizeConstraint,_) -> + emit({nl,indent(3),"?RT_PER:encode_length(", + {asis,SizeConstraint},",length(Val)),",nl}). + gen_decode_sof(Erules,Typename,SeqOrSetOf,D) when is_record(D,type) -> asn1ct_name:start(), {_SeqOrSetOf,ComponentType} = D#type.def, @@ -469,7 +510,8 @@ gen_decode_sof(Erules,Typename,SeqOrSetOf,D) when is_record(D,type) -> _ -> "" end, - emit({nl,"{Num,Bytes1} = ?RT_PER:decode_length(Bytes,",{asis,SizeConstraint},"),",nl}), + gen_decode_length(SizeConstraint, + is_optimized(Erules)), emit({"'dec_",asn1ct_gen:list2name(Typename), "_components'(Num, Bytes1, telltype",ObjFun,", []).",nl}), NewComponentType = @@ -480,6 +522,41 @@ gen_decode_sof(Erules,Typename,SeqOrSetOf,D) when is_record(D,type) -> end, gen_decode_sof_components(Erules,Typename,SeqOrSetOf,NewComponentType). +%% Logic copied from asn1_per_bin_rt2ct:decode_constrained_number +gen_decode_length({Lb,Ub},true) when Ub =< 65535, Lb >= 0 -> + Range = Ub - Lb + 1, + Call = if + Range == 1 -> + "{0,Bytes}"; + Range == 2 -> + "?RT_PER:getbits(Bytes,1)"; + Range =< 4 -> + "?RT_PER:getbits(Bytes,2)"; + Range =< 8 -> + "?RT_PER:getbits(Bytes,3)"; + Range =< 16 -> + "?RT_PER:getbits(Bytes,4)"; + Range =< 32 -> + "?RT_PER:getbits(Bytes,5)"; + Range =< 64 -> + "?RT_PER:getbits(Bytes,6)"; + Range =< 128 -> + "?RT_PER:getbits(Bytes,7)"; + Range =< 255 -> + "?RT_PER:getbits(Bytes,8)"; + Range =< 256 -> + "?RT_PER:getoctets(Bytes,1)"; + Range =< 65536 -> + "?RT_PER:getoctets(Bytes,2)"; + true -> + ["exit({not_supported,{integer_range,",Range,"}}"] + end, + emit({nl,"{Val,Remain} = ",Call,",",nl}), + emit({nl,"{Num,Bytes1} = {Val+",Lb,",Remain},",nl}); +gen_decode_length(SizeConstraint,_) -> + emit({nl,"{Num,Bytes1} = ?RT_PER:decode_length(Bytes,", + {asis,SizeConstraint},"),",nl}). + gen_encode_sof_components(Erule,Typename,SeqOrSetOf,Cont) -> {ObjFun,ObjFun_Var} = case Cont#type.tablecinf of @@ -636,6 +713,27 @@ gen_dec_extension_value(_) -> emit({"{Ext,",{next,bytes},"} = ?RT_PER:getext(",{curr,bytes},")"}), asn1ct_name:new(bytes). +gen_fixoptionals([{Pos,Def}|R]) -> + asn1ct_name:new(fixopt), + emit({{curr,fixopt}," = case element(",{asis,Pos},",",{curr,val},") of",nl, + "asn1_DEFAULT -> 0;",nl, + {asis,Def}," -> 0;",nl, + "_ -> 1",nl, + "end,",nl}), + gen_fixoptionals(R); +gen_fixoptionals([Pos|R]) -> + gen_fixoptionals([{Pos,asn1_NOVALUE}|R]); +gen_fixoptionals([]) -> + ok. + + +param_map(Fun, [H]) -> + [Fun(H)]; +param_map(Fun, [H|T]) -> + [Fun(H),","|param_map(Fun,T)]. + + + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Produce a list with positions (in the Value record) where %% there are optional components, start with 2 because first element @@ -922,7 +1020,7 @@ gen_enc_line(Erule,TopType,Cname,Type,Element, _Pos,DynamicEnc,Ext) -> end, case Ext of {ext,_Ep2,_} -> - emit(["))"]); + emit("))"); _ -> true end. gen_dec_components_call(Erule,TopType,{Root1,ExtList,Root2},MaybeComma,DecInfObj,Ext,NumberOfOptionals) -> diff --git a/lib/asn1/src/asn1ct_gen.erl b/lib/asn1/src/asn1ct_gen.erl index e49829d82f..0f8833f716 100644 --- a/lib/asn1/src/asn1ct_gen.erl +++ b/lib/asn1/src/asn1ct_gen.erl @@ -47,6 +47,7 @@ un_hyphen_var/1]). -export([gen_encode_constructed/4, gen_decode_constructed/4]). +-export([nif_parameter/0]). %% pgen(Outfile, Erules, Module, TypeOrVal, Options) %% Generate Erlang module (.erl) and (.hrl) file corresponding to an ASN.1 module @@ -938,13 +939,13 @@ pgen_dispatcher(Erules,_Module,{Types,_Values,_,_,_Objects,_ObjectSets}) -> NoFinalPadding = lists:member(no_final_padding,get(encoding_options)), Call = case Erules of per -> "?RT_PER:complete(encode_disp(Type,Data))"; - per_bin -> "?RT_PER:complete(encode_disp(Type,Data))"; + per_bin -> ["?RT_PER:complete(encode_disp(Type,Data))"]; ber -> "encode_disp(Type,Data)"; ber_bin -> "encode_disp(Type,Data)"; ber_bin_v2 -> "encode_disp(Type,Data)"; uper_bin when NoFinalPadding == true -> "?RT_PER:complete_NFP(encode_disp(Type,Data))"; - uper_bin -> "?RT_PER:complete(encode_disp(Type,Data))" + uper_bin -> ["?RT_PER:complete(encode_disp(Type,Data))"] end, EncWrap = case Erules of ber -> "wrap_encode(Bytes)"; @@ -974,7 +975,7 @@ pgen_dispatcher(Erules,_Module,{Types,_Values,_,_,_Objects,_ObjectSets}) -> % case Erules of % ber_bin_v2 -> % emit(["decode(Type,Data0) ->",nl]), -% emit(["{Data,_RestBin} = ?RT_BER:decode(Data0",driver_parameter(),"),",nl]); +% emit(["{Data,_RestBin} = ?RT_BER:decode(Data0",nif_parameter(),"),",nl]); % _ -> % emit(["decode(Type,Data) ->",nl]) % end, @@ -991,10 +992,10 @@ pgen_dispatcher(Erules,_Module,{Types,_Values,_,_,_Objects,_ObjectSets}) -> {ber_bin_v2,false} -> io_lib:format("~s~s~s~n", ["element(1,?RT_BER:decode(Data", - driver_parameter(),"))"]); + nif_parameter(),"))"]); {ber_bin_v2,true} -> emit(["{Data,Rest} = ?RT_BER:decode(Data0", - driver_parameter(),"),",nl]), + nif_parameter(),"),",nl]), "Data"; _ -> "Data" @@ -1130,13 +1131,8 @@ gen_decode_partial_incomplete(Erule) when Erule == ber;Erule==ber_bin; "Data) of",nl]), EmitCaseClauses(), emit(["decode_part(Type,Data0) ->",nl]), - Driver = - case lists:member(driver,get(encoding_options)) of - true -> - ",driver"; - _ -> "" - end, - emit([" case catch decode_inc_disp(Type,element(1,?RT_BER:decode(Data0",Driver,"))) of",nl]), + emit([" case catch decode_inc_disp(Type,element(1," + "?RT_BER:decode(Data0",nif_parameter(),"))) of",nl]), % " {Data,_RestBin} = ?RT_BER:decode(Data0),",nl, % " case catch decode_inc_disp(Type,Data) of",nl]), EmitCaseClauses(); @@ -1179,12 +1175,12 @@ gen_partial_inc_dispatcher([],_) -> emit(["decode_partial_inc_disp(Type,_Data) ->",nl, " exit({error,{asn1,{undefined_type,Type}}}).",nl]). -driver_parameter() -> +nif_parameter() -> Options = get(encoding_options), - case lists:member(driver,Options) of - true -> - ",driver"; - _ -> "" + case {lists:member(driver,Options),lists:member(nif,Options)} of + {true,_} -> ",nif"; + {_,true} -> ",nif"; + _ -> "" end. gen_wrapper() -> @@ -1525,8 +1521,9 @@ gen_head(Erules,Mod,Hrl) -> emit({"-module('",Mod,"').",nl}), put(currmod,Mod), %emit({"-compile(export_all).",nl}), - case Hrl of - 0 -> true; + case {Hrl,lists:member(inline,get(encoding_options))} of + {0,_} -> true; + {_,true} -> true; _ -> emit({"-include(\"",Mod,".hrl\").",nl}) end, diff --git a/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl b/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl index 9ec458e351..781271bae7 100644 --- a/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl +++ b/lib/asn1/src/asn1ct_gen_ber_bin_v2.erl @@ -416,7 +416,7 @@ gen_decode_selected(Erules,Type,FuncName) -> end, emit([" case ?RT_BER:decode_selective(",{asis,Pattern},",Bin) of",nl, " {ok,Bin2} when is_binary(Bin2) ->",nl, - " {Tlv,_} = ?RT_BER:decode(Bin2),",nl]), + " {Tlv,_} = ?RT_BER:decode(Bin2",asn1ct_gen:nif_parameter(),"),",nl]), emit("{ok,"), gen_decode_selected_type(Erules,Type), emit(["};",nl," Err -> exit({error,{selctive_decode,Err}})",nl, @@ -708,7 +708,7 @@ gen_dec_prim(Erules,Att,BytesVar,DoTag,TagIn,Form,OptOrMand) -> 'ASN1_OPEN_TYPE' -> emit(["?RT_BER:decode_open_type_as_binary(", BytesVar,","]), - add_func({decode_open_type_as_binary,2}); + add_func({decode_open_type_as_binary,3}); #'ObjectClassFieldType'{} -> case asn1ct_gen:get_inner(Att#type.def) of {fixedtypevaluefield,_,InnerType} -> @@ -716,7 +716,7 @@ gen_dec_prim(Erules,Att,BytesVar,DoTag,TagIn,Form,OptOrMand) -> 'ASN1_OPEN_TYPE' -> emit(["?RT_BER:decode_open_type_as_binary(", BytesVar,","]), - add_func({decode_open_type_as_binary,2}); + add_func({decode_open_type_as_binary,3}); Other -> exit({'can not decode' ,Other}) end; @@ -728,13 +728,13 @@ gen_dec_prim(Erules,Att,BytesVar,DoTag,TagIn,Form,OptOrMand) -> {_,#'ObjectClassFieldType'{}} -> case asn1ct_gen:get_inner(Att#type.def) of 'ASN1_OPEN_TYPE' -> - emit([{asis,DoTag},")"]); + emit([{asis,DoTag},asn1ct_gen:nif_parameter(),")"]); _ -> ok end; {{string,TagStr},'ASN1_OPEN_TYPE'} -> - emit([TagStr,")"]); + emit([TagStr,asn1ct_gen:nif_parameter(),")"]); {_,'ASN1_OPEN_TYPE'} -> - emit([{asis,DoTag},")"]); + emit([{asis,DoTag},asn1ct_gen:nif_parameter(),")"]); {{string,TagStr},_} -> emit([TagStr,")"]); _ when is_list(DoTag) -> @@ -1064,7 +1064,7 @@ emit_tlv_format_function() -> end. emit_tlv_format_function1() -> emit(["tlv_format(Bytes) when is_binary(Bytes) ->",nl, - " {Tlv,_}=?RT_BER:decode(Bytes),",nl, + " {Tlv,_}=?RT_BER:decode(Bytes",asn1ct_gen:nif_parameter(),"),",nl, " Tlv;",nl, "tlv_format(Bytes) ->",nl, " Bytes.",nl]). @@ -1502,13 +1502,14 @@ gen_objset_dec(Erules,ObjSetName,_UniqueName,['EXTENSIONMARK'],_ClName, _ClFields,_NthObj) -> emit(["'getdec_",ObjSetName,"'(_, _) ->",nl]), emit([indent(2),"fun(_,Bytes, _RestPrimFieldName) ->",nl]), + case Erules of ber_bin_v2 -> emit([indent(4),"case Bytes of",nl, indent(6),"Bin when is_binary(Bin) -> ",nl, indent(8),"Bin;",nl, indent(6),"_ ->",nl, - indent(8),"?RT_BER:encode(Bytes)",nl, + indent(8),"?RT_BER:encode(Bytes",driver_parameter(),")",nl, indent(4),"end",nl]); _ -> emit([indent(6),"Len = case Bytes of",nl,indent(9), @@ -1521,6 +1522,14 @@ gen_objset_dec(Erules,ObjSetName,_UniqueName,['EXTENSIONMARK'],_ClName, gen_objset_dec(_,_,_,[],_,_,_) -> ok. +driver_parameter() -> + Options = get(encoding_options), + case {lists:member(driver,Options),lists:member(nif,Options)} of + {true,_} -> ",nif"; + {_,true} -> ",nif"; + _ -> ",erlang" + end. + emit_default_getdec(ObjSetName,UniqueName) -> emit(["'getdec_",ObjSetName,"'(",{asis,UniqueName},", ErrV) ->",nl]), emit([indent(2), "fun(C,V,_) -> exit({{component,C},{value,V},{unique_name_and_value,",{asis,UniqueName},", ErrV}}) end"]). diff --git a/lib/asn1/src/asn1ct_gen_per.erl b/lib/asn1/src/asn1ct_gen_per.erl index 8313cf1b60..b90a0adf81 100644 --- a/lib/asn1/src/asn1ct_gen_per.erl +++ b/lib/asn1/src/asn1ct_gen_per.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2010. All Rights Reserved. +%% Copyright Ericsson AB 1997-2011. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -238,7 +238,8 @@ gen_encode_prim(Erules,D,DoTag,Value) when is_record(D,type) -> "?RT_PER:complete(enc_~s(~s))",[Tname,Value]); [#type{def=#'Externaltypereference'{type=Tname}}] -> io_lib:format( - "?RT_PER:complete(enc_~s(~s))",[Tname,Value]); + "?RT_PER:complete(enc_~s(~s))", + [Tname,Value]); _ -> Value end, emit(["?RT_PER:encode_open_type(", {asis,Constraint}, ",", diff --git a/lib/asn1/src/asn1ct_gen_per_rt2ct.erl b/lib/asn1/src/asn1ct_gen_per_rt2ct.erl index 4f4fcfafc3..1a0a0e211d 100644 --- a/lib/asn1/src/asn1ct_gen_per_rt2ct.erl +++ b/lib/asn1/src/asn1ct_gen_per_rt2ct.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2002-2010. All Rights Reserved. +%% Copyright Ericsson AB 2002-2011. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -230,7 +230,8 @@ gen_encode_prim(Erules,D,DoTag,Value) when is_record(D,type) -> "?RT_PER:complete(enc_~s(~s))",[Tname,Value]); [#type{def=#'Externaltypereference'{type=Tname}}] -> io_lib:format( - "?RT_PER:complete(enc_~s(~s))",[Tname,Value]); + "?RT_PER:complete(enc_~s(~s))", + [Tname,Value]); _ -> Value end, emit(["?RT_PER:encode_open_type(", {asis,Constraint}, ",", diff --git a/lib/asn1/src/asn1rt.erl b/lib/asn1/src/asn1rt.erl index 9ef68efab5..d18f81346a 100644 --- a/lib/asn1/src/asn1rt.erl +++ b/lib/asn1/src/asn1rt.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2009. All Rights Reserved. +%% Copyright Ericsson AB 1997-2011. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -21,12 +21,12 @@ %% Runtime functions for ASN.1 (i.e encode, decode) --include("asn1_records.hrl"). - -export([encode/2,encode/3,decode/3,load_driver/0,unload_driver/0,info/1]). -export([utf8_binary_to_list/1,utf8_list_to_binary/1]). +-deprecated([load_driver/0,unload_driver/0]). + encode(Module,{Type,Term}) -> encode(Module,Type,Term). @@ -46,38 +46,12 @@ decode(Module,Type,Bytes) -> Result end. -%% asn1-1.6.8.1 -%% load_driver() -> -%% asn1rt_driver_handler:load_driver(), -%% receive -%% driver_ready -> -%% ok; -%% Err={error,_Reason} -> -%% Err; -%% Error -> -%% {error,Error} -%% end. - -%% asn1-1.6.9 - load_driver() -> - case catch asn1rt_driver_handler:load_driver() of - ok -> - ok; - {error,{already_started,asn1}} -> - ok; - Err -> - {error,Err} - end. - +%% Remove in R16A +load_driver() -> + ok. unload_driver() -> - case catch asn1rt_driver_handler:unload_driver() of - ok -> - ok; - Error -> - {error,Error} - end. - + ok. info(Module) -> case catch apply(Module,info,[]) of diff --git a/lib/asn1/src/asn1rt_ber_bin_v2.erl b/lib/asn1/src/asn1rt_ber_bin_v2.erl index a3bb570282..17e66f77c9 100644 --- a/lib/asn1/src/asn1rt_ber_bin_v2.erl +++ b/lib/asn1/src/asn1rt_ber_bin_v2.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2002-2009. All Rights Reserved. +%% Copyright Ericsson AB 2002-2011. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -21,7 +21,7 @@ %% encoding / decoding of BER --export([decode/1, decode/2, match_tags/2, encode/1]). +-export([decode/1, decode/2, match_tags/2, encode/1, encode/2]). -export([fixoptionals/2, cindex/3, list_to_record/2, encode_tag_val/1, @@ -49,11 +49,13 @@ decode_tag_and_length/1]). -export([encode_open_type/1,encode_open_type/2, - decode_open_type/2,decode_open_type_as_binary/2]). + decode_open_type/2,decode_open_type/3, + decode_open_type_as_binary/2, + decode_open_type_as_binary/3]). -export([decode_primitive_incomplete/2,decode_selective/2]). - --include("asn1_records.hrl"). + +-export([is_nif_loadable/0]). % the encoding of class of tag bits 8 and 7 -define(UNIVERSAL, 0). @@ -125,15 +127,28 @@ % encode(Tlv) -> % encode_constructed(Tlv). -encode([Tlv]) -> - encode(Tlv); -encode({TlvTag,TlvVal}) when is_list(TlvVal) -> +encode(Tlv) -> + encode(Tlv,erlang). + +encode(Tlv,_) when is_binary(Tlv) -> + Tlv; +encode([Tlv],Method) -> + encode(Tlv,Method); +encode(Tlv, nif) -> + case is_nif_loadable() of + true -> + asn1rt_nif:encode_ber_tlv(Tlv); + false -> + encode_erl(Tlv) + end; +encode(Tlv, _) -> + encode_erl(Tlv). + +encode_erl({TlvTag,TlvVal}) when is_list(TlvVal) -> %% constructed form of value encode_tlv(TlvTag,TlvVal,?CONSTRUCTED); -encode({TlvTag,TlvVal}) -> - encode_tlv(TlvTag,TlvVal,?PRIMITIVE); -encode(Bin) when is_binary(Bin) -> - Bin. +encode_erl({TlvTag,TlvVal}) -> + encode_tlv(TlvTag,TlvVal,?PRIMITIVE). encode_tlv(TlvTag,TlvVal,Form) -> Tag = encode_tlv_tag(TlvTag,Form), @@ -152,70 +167,61 @@ encode_tlv_val(Bin) -> {Bin,size(Bin)}. encode_tlv_list([Tlv|Tlvs],Acc) -> - EncTlv = encode(Tlv), + EncTlv = encode_erl(Tlv), encode_tlv_list(Tlvs,[EncTlv|Acc]); encode_tlv_list([],Acc) -> Bin=list_to_binary(lists:reverse(Acc)), {Bin,size(Bin)}. -%% asn1-1.6.8.1 -%% decode(B,driver) -> -%% case catch port_control(asn1_driver_port,2,B) of -%% Bin when is_binary(Bin) -> -%% binary_to_term(Bin); -%% List when is_list(List) -> handle_error(List,B); -%% {'EXIT',{badarg,Reason}} -> -%% asn1rt_driver_handler:load_driver(), -%% receive -%% driver_ready -> -%% case catch port_control(asn1_driver_port,2,B) of -%% Bin2 when is_binary(Bin2) -> binary_to_term(Bin2); -%% List when is_list(List) -> handle_error(List,B); -%% Error -> exit(Error) -%% end; -%% {error,Error} -> % error when loading driver -%% %% the driver could not be loaded -%% exit(Error); -%% Error={port_error,Reason} -> -%% exit(Error) -%% end; -%% {'EXIT',Reason} -> -%% exit(Reason) -%% end. - -%% asn1-1.6.9 -decode(B,driver) -> - case catch control(?TLV_DECODE,B) of - Bin when is_binary(Bin) -> - binary_to_term(Bin); - List when is_list(List) -> handle_error(List,B); - {'EXIT',{badarg,_Reason}} -> - case asn1rt:load_driver() of - ok -> - case control(?TLV_DECODE,B) of - Bin when is_binary(Bin) -> binary_to_term(Bin); - List when is_list(List) -> handle_error(List,B) - end; - Err -> - Err - end - end. +decode(B) -> + decode(B, erlang). +%% asn1-1.7 +decode(B, nif) -> + case is_nif_loadable() of + true -> + case asn1rt_nif:decode_ber_tlv(B) of + {error, Reason} -> handle_error(Reason, B); + Else -> Else + end; + false -> + decode(B) + end; +decode(B,erlang) when is_binary(B) -> + decode_primitive(B); +decode(Tlv,erlang) -> + {Tlv,<<>>}. + +%% Have to check this since asn1 is not guaranteed to be available +is_nif_loadable() -> + case application:get_env(asn1, nif_loadable) of + {ok,R} -> + R; + undefined -> + case catch code:load_file(asn1rt_nif) of + {module, asn1rt_nif} -> + application:set_env(asn1, nif_loadable, true), + true; + _Else -> + application:set_env(asn1, nif_loadable, false), + false + end + end. handle_error([],_)-> exit({error,{asn1,{"memory allocation problem"}}}); -handle_error([$1|_],L) -> % error in driver +handle_error({$1,_},L) -> % error in nif exit({error,{asn1,L}}); -handle_error([$2|T],L) -> % error in driver due to wrong tag +handle_error({$2,T},L) -> % error in nif due to wrong tag exit({error,{asn1,{"bad tag after byte:",error_pos(T),L}}}); -handle_error([$3|T],L) -> % error in driver due to length error +handle_error({$3,T},L) -> % error in driver due to length error exit({error,{asn1,{"bad length field after byte:", error_pos(T),L}}}); -handle_error([$4|T],L) -> % error in driver due to indefinite length error +handle_error({$4,T},L) -> % error in driver due to indefinite length error exit({error,{asn1, {"indefinite length without end bytes after byte:", error_pos(T),L}}}); -handle_error([$5|T],L) -> % error in driver due to indefinite length error +handle_error({$5,T},L) -> % error in driver due to indefinite length error exit({error,{asn1,{"bad encoded value after byte:", error_pos(T),L}}}); handle_error(ErrL,L) -> @@ -228,16 +234,6 @@ error_pos([B])-> error_pos([B|Bs]) -> BS = 8 * length(Bs), B bsl BS + error_pos(Bs). -%% asn1-1.6.9 -control(Cmd, Data) -> - Port = asn1rt_driver_handler:client_port(), - erlang:port_control(Port, Cmd, Data). - -decode(Bin) when is_binary(Bin) -> - decode_primitive(Bin); -decode(Tlv) -> % assume it is a tlv - {Tlv,<<>>}. - decode_primitive(Bin) -> {Form,TagNo,V,Rest} = decode_tag_and_length(Bin), @@ -796,20 +792,24 @@ encode_open_type(Val,Tag) -> %% Value = binary with decoded data (which must be decoded again as some type) %% decode_open_type(Tlv, TagIn) -> + decode_open_type(Tlv, TagIn, erlang). +decode_open_type(Tlv, TagIn, Method) -> case match_tags(Tlv,TagIn) of Bin when is_binary(Bin) -> - {InnerTlv,_} = decode(Bin), + {InnerTlv,_} = decode(Bin,Method), InnerTlv; TlvBytes -> TlvBytes end. -decode_open_type_as_binary(Tlv,TagIn)-> +decode_open_type_as_binary(Tlv, TagIn) -> + decode_open_type_as_binary(Tlv, TagIn, erlang). +decode_open_type_as_binary(Tlv,TagIn, Method)-> case match_tags(Tlv,TagIn) of V when is_binary(V) -> V; - [Tlv2] -> encode(Tlv2); - Tlv2 -> encode(Tlv2) + [Tlv2] -> encode(Tlv2, Method); + Tlv2 -> encode(Tlv2, Method) end. %%=============================================================================== @@ -1056,7 +1056,7 @@ encode_real(C,Val, TagIn) when is_tuple(Val); is_list(Val) -> encode_real(C,Val) -> - ?RT_COMMON:encode_real(C,Val). + asn1rt_ber_bin:encode_real(C,Val). %%============================================================================ @@ -1081,7 +1081,7 @@ decode_real_notag(Buffer) -> {_T,_V} -> exit({error,{asn1,{real_not_in_primitive_form,Buffer}}}) end, - {Val,_Rest,Len} = ?RT_COMMON:decode_real(Buffer,Len), + {Val,_Rest,Len} = asn1rt_ber_bin:decode_real(Buffer,Len), Val. %% exit({error,{asn1, {unimplemented,real}}}). %% decode_real2(Buffer, Form, size(Buffer)). @@ -1577,14 +1577,12 @@ e_object_identifier(V) when is_tuple(V) -> e_object_identifier([E1, E2 | Tail]) -> Head = 40*E1 + E2, % wow! {H,Lh} = mk_object_val(Head), - {R,Lr} = enc_obj_id_tail(Tail, [], 0), + {R,Lr} = lists:mapfoldl(fun enc_obj_id_tail/2,0,Tail), {[H|R], Lh+Lr}. -enc_obj_id_tail([], Ack, Len) -> - {lists:reverse(Ack), Len}; -enc_obj_id_tail([H|T], Ack, Len) -> +enc_obj_id_tail(H, Len) -> {B, L} = mk_object_val(H), - enc_obj_id_tail(T, [B|Ack], Len+L). + {B,Len+L}. %%%%%%%%%%% diff --git a/lib/asn1/src/asn1rt_check.erl b/lib/asn1/src/asn1rt_check.erl index 24a2a3802d..d9856901b8 100644 --- a/lib/asn1/src/asn1rt_check.erl +++ b/lib/asn1/src/asn1rt_check.erl @@ -19,8 +19,6 @@ %% -module(asn1rt_check). --include("asn1_records.hrl"). - -export([check_bool/2, check_int/3, check_bitstring/3, diff --git a/lib/asn1/src/asn1rt_driver_handler.erl b/lib/asn1/src/asn1rt_driver_handler.erl deleted file mode 100644 index 146d0043f9..0000000000 --- a/lib/asn1/src/asn1rt_driver_handler.erl +++ /dev/null @@ -1,144 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2002-2011. All Rights Reserved. -%% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% %CopyrightEnd% -%% -%% - --module(asn1rt_driver_handler). - --include("asn1_records.hrl"). - --export([load_driver/0,unload_driver/0,client_port/0]). - -%% Internal exports --export([init/2]). - -%% Macros --define(port_names, - { asn1_drv01, asn1_drv02, asn1_drv03, asn1_drv04, - asn1_drv05, asn1_drv06, asn1_drv07, asn1_drv08, - asn1_drv09, asn1_drv10, asn1_drv11, asn1_drv12, - asn1_drv13, asn1_drv14, asn1_drv15, asn1_drv16 }). - -%%% -------------------------------------------------------- -%%% Interface Functions. -%%% -------------------------------------------------------- -load_driver() -> - load_driver(noreason). - -load_driver(Reason) -> - Ref = make_ref(), - case whereis(asn1_driver_owner) of % to prevent unnecessary spawn - Pid when is_pid(Pid) -> - asn1_driver_owner ! {self(),Ref,are_you_ready}, - receive - {Ref,driver_ready} -> - ok - after 10000 -> - {error,{timeout,waiting_for_drivers}} - end; - _ -> - {_,Mref} = spawn_monitor(asn1rt_driver_handler, init, [self(),Ref]), - receive - {'DOWN', Mref, _, _, NewReason} -> - case NewReason of - Reason -> {error,Reason}; - _ -> load_driver(NewReason) - end; - {Ref,driver_ready} -> - erlang:demonitor(Mref), - ok; - {Ref,Error = {error,_Reason}} -> - erlang:demonitor(Mref), - Error - after 10000 -> %% 10 seconds - {error,{timeout,waiting_for_drivers}} - end - end. - -init(FromPid,FromRef) -> - case catch register(asn1_driver_owner,self()) of - true -> true; - _Other -> exit(normal) - end, - Dir = filename:join([code:priv_dir(asn1),"lib"]), - case catch erl_ddll:load_driver(Dir,asn1_erl_drv) of - ok -> - Result = open_named_ports(), - catch (FromPid ! {FromRef,Result}), - loop(Result); - {error,Err} -> % if erl_ddll:load_driver fails - ForErr = erl_ddll:format_error(Err), - OSDir = filename:join(Dir,erlang:system_info(system_architecture)), - case catch erl_ddll:load_driver(OSDir,asn1_erl_drv) of - ok -> - Result = open_named_ports(), - catch (FromPid ! {FromRef,Result}), - loop(Result); - {error,Err2} -> -% catch (FromPid ! {FromRef,Error}) - ForErr2 = erl_ddll:format_error(Err2), - catch (FromPid ! {FromRef,{error,{{Dir,ForErr},{OSDir,ForErr2}}}}) - end - end. - - -open_named_ports() -> - open_named_ports(size(?port_names)). - -open_named_ports(0) -> - driver_ready; -open_named_ports(N) -> - case catch open_port({spawn,"asn1_erl_drv"},[]) of - {'EXIT',Reason} -> - {error,{port_error,Reason}}; - Port -> - register(element(N,?port_names),Port), - open_named_ports(N-1) - end. - -loop(Result) -> - receive - {_FromPid,_FromRef,unload} -> - close_ports(size(?port_names)), - erl_ddll:unload_driver(asn1_erl_drv), - ok; - {FromPid,FromRef,are_you_ready} -> - catch (FromPid ! {FromRef,driver_ready}), - loop(Result); - _ -> - loop(Result) - end. - -unload_driver() -> - case whereis(asn1_driver_owner) of - Pid when is_pid(Pid) -> - Pid ! {self(),make_ref(),unload}, - ok; - _ -> - ok - end. - -close_ports(0) -> - ok; -close_ports(N) -> - element(N,?port_names) ! {self(), close}, %% almost same as port_close(Name) - close_ports(N-1). - -client_port() -> - element(erlang:system_info(scheduler_id) rem size(?port_names) + 1, - ?port_names). diff --git a/lib/asn1/src/asn1rt_nif.erl b/lib/asn1/src/asn1rt_nif.erl new file mode 100644 index 0000000000..de1fb94816 --- /dev/null +++ b/lib/asn1/src/asn1rt_nif.erl @@ -0,0 +1,87 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2002-2011. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% +%% +-module(asn1rt_nif). + +%% Nif interface for asn1 + +-export([encode_per_complete/1, + decode_ber_tlv/1, + encode_ber_tlv/1]). + +-on_load(load_nif/0). + +-define(ASN1_NIF_VSN,1). + +load_nif() -> + LibBaseName = "asn1_erl_nif", + PrivDir = code:priv_dir(asn1), + LibName = case erlang:system_info(build_type) of + opt -> + LibBaseName; + Type -> + LibTypeName = LibBaseName ++ "." ++ atom_to_list(Type), + case (filelib:wildcard( + filename:join( + [PrivDir, + "lib", + LibTypeName ++ "*"])) /= []) orelse + (filelib:wildcard( + filename:join( + [PrivDir, + "lib", + erlang:system_info(system_architecture), + LibTypeName ++ "*"])) /= []) of + true -> LibTypeName; + false -> LibBaseName + end + end, + Lib = filename:join([PrivDir, "lib", LibName]), + Status = case erlang:load_nif(Lib, ?ASN1_NIF_VSN) of + ok -> ok; + {error, {load_failed, _}}=Error1 -> + ArchLibDir = + filename:join([PrivDir, "lib", + erlang:system_info(system_architecture)]), + Candidate = + filelib:wildcard(filename:join([ArchLibDir,LibName ++ "*" ])), + case Candidate of + [] -> Error1; + _ -> + ArchLib = filename:join([ArchLibDir, LibName]), + erlang:load_nif(ArchLib, ?ASN1_NIF_VSN) + end; + Error1 -> Error1 + end, + case Status of + ok -> ok; + {error, {E, Str}} -> + error_logger:error_msg("Unable to load asn1 nif library. " + "Failed with error:~n\"~p, ~s\"~n",[E,Str]), + Status + end. + +encode_per_complete(_TagValueList) -> + erlang:nif_error({nif_not_loaded,module,?MODULE,line,?LINE}). + +decode_ber_tlv(_Binary) -> + erlang:nif_error({nif_not_loaded,module,?MODULE,line,?LINE}). + +encode_ber_tlv(_TagValueList) -> + erlang:nif_error({nif_not_loaded,module,?MODULE,line,?LINE}). diff --git a/lib/asn1/src/asn1rt_per_bin.erl b/lib/asn1/src/asn1rt_per_bin.erl index 6bbca26209..a124c7553d 100644 --- a/lib/asn1/src/asn1rt_per_bin.erl +++ b/lib/asn1/src/asn1rt_per_bin.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2009. All Rights Reserved. +%% Copyright Ericsson AB 2001-2011. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -57,7 +57,7 @@ encode_NumericString/2, decode_NumericString/2, encode_ObjectDescriptor/2, decode_ObjectDescriptor/1 ]). --export([complete_bytes/1]). +-export([complete_bytes/1, getbits/2, getoctets/2]). -define('16K',16384). -define('32K',32768). diff --git a/lib/asn1/src/asn1rt_per_bin_rt2ct.erl b/lib/asn1/src/asn1rt_per_bin_rt2ct.erl index f4aecf9322..c7ead680ce 100644 --- a/lib/asn1/src/asn1rt_per_bin_rt2ct.erl +++ b/lib/asn1/src/asn1rt_per_bin_rt2ct.erl @@ -1734,143 +1734,24 @@ get_constraint(C,Key) -> -ifdef(nodriver). complete(L) -> - case complete1(L) of - {[],[]} -> - <<0>>; - {Acc,[]} -> - Acc; - {Acc,Bacc} -> - [Acc|complete_bytes(Bacc)] - end. - - -% this function builds the ugly form of lists [E1|E2] to avoid having to reverse it at the end. -% this is done because it is efficient and that the result always will be sent on a port or -% converted by means of list_to_binary/1 - complete1(InList) when is_list(InList) -> - complete1(InList,[],[]); - complete1(InList) -> - complete1([InList],[],[]). - - complete1([],Acc,Bacc) -> - {Acc,Bacc}; - complete1([H|T],Acc,Bacc) when is_list(H) -> - {NewH,NewBacc} = complete1(H,Acc,Bacc), - complete1(T,NewH,NewBacc); - - complete1([{octets,Bin}|T],Acc,[]) -> - complete1(T,[Acc|Bin],[]); - - complete1([{octets,Bin}|T],Acc,Bacc) -> - complete1(T,[Acc|[complete_bytes(Bacc),Bin]],[]); - - complete1([{debug,_}|T], Acc,Bacc) -> - complete1(T,Acc,Bacc); - - complete1([{bits,N,Val}|T],Acc,Bacc) -> - complete1(T,Acc,complete_update_byte(Bacc,Val,N)); - - complete1([{bit,Val}|T],Acc,Bacc) -> - complete1(T,Acc,complete_update_byte(Bacc,Val,1)); - - complete1([align|T],Acc,[]) -> - complete1(T,Acc,[]); - complete1([align|T],Acc,Bacc) -> - complete1(T,[Acc|complete_bytes(Bacc)],[]); - complete1([{0,Bin}|T],Acc,[]) when is_binary(Bin) -> - complete1(T,[Acc|Bin],[]); - complete1([{Unused,Bin}|T],Acc,[]) when is_integer(Unused),is_binary(Bin) -> - Size = size(Bin)-1, - <<Bs:Size/binary,B>> = Bin, - NumBits = 8-Unused, - complete1(T,[Acc|Bs],[[B bsr Unused]|NumBits]); - complete1([{Unused,Bin}|T],Acc,Bacc) when is_integer(Unused),is_binary(Bin) -> - Size = size(Bin)-1, - <<Bs:Size/binary,B>> = Bin, - NumBits = 8 - Unused, - Bf = complete_bytes(Bacc), - complete1(T,[Acc|[Bf,Bs]],[[B bsr Unused]|NumBits]). - - - complete_update_byte([],Val,Len) -> - complete_update_byte([[0]|0],Val,Len); - complete_update_byte([[Byte|Bacc]|NumBits],Val,Len) when NumBits + Len == 8 -> - [[0,((Byte bsl Len) + Val) band 255|Bacc]|0]; - complete_update_byte([[Byte|Bacc]|NumBits],Val,Len) when NumBits + Len > 8 -> - Rem = 8 - NumBits, - Rest = Len - Rem, - complete_update_byte([[0,((Byte bsl Rem) + (Val bsr Rest)) band 255 |Bacc]|0],Val,Rest); - complete_update_byte([[Byte|Bacc]|NumBits],Val,Len) -> - [[((Byte bsl Len) + Val) band 255|Bacc]|NumBits+Len]. - - - complete_bytes([[Byte|Bacc]|0]) -> - lists:reverse(Bacc); - complete_bytes([[Byte|Bacc]|NumBytes]) -> - lists:reverse([(Byte bsl (8-NumBytes)) band 255|Bacc]); - complete_bytes([]) -> - []. + erlang_complete(L). -else. -%% asn1-1.6.8.1_dev -%% complete(L) -> -%% case catch port_control(asn1_driver_port,1,L) of -%% Bin when is_binary(Bin) -> -%% Bin; -%% List when is_list(List) -> handle_error(List,L); -%% {'EXIT',{badarg,Reason}} -> -%% asn1rt_driver_handler:load_driver(), -%% receive -%% driver_ready -> -%% case catch port_control(asn1_driver_port,1,L) of -%% Bin2 when is_binary(Bin2) -> Bin2; -%% List when is_list(List) -> handle_error(List,L); -%% {'EXIT',Reason2={badarg,_R}} -> -%% exit({"failed to call driver probably due to bad asn1 value",Reason2}); -%% Reason2 -> exit(Reason2) -%% end; -%% {error,Error} -> % error when loading driver -%% %% the driver could not be loaded -%% exit(Error); -%% Error={port_error,Reason} -> -%% exit(Error) -%% end; -%% {'EXIT',Reason} -> -%% exit(Reason) -%% end. - -%% asn1-1.6.9 +%% asn1-1.7 complete(L) -> - case catch control(?COMPLETE_ENCODE,L) of - Bin when is_binary(Bin) -> - Bin; - List when is_list(List) -> handle_error(List,L); - {'EXIT',{badarg,_Reason}} -> - case asn1rt:load_driver() of - ok -> - case control(?COMPLETE_ENCODE,L) of - Bin when is_binary(Bin) ->Bin; - List when is_list(List) -> handle_error(List,L) - end; - Err -> - Err - end + case asn1rt_nif:encode_per_complete(L) of + {error, Reason} -> handle_error(Reason, L); + Else when is_binary(Else) -> Else end. - handle_error([],_)-> exit({error,{asn1,{"memory allocation problem in driver"}}}); -handle_error("1",L) -> % error in complete in driver +handle_error($1,L) -> % error in complete in driver exit({error,{asn1,L}}); handle_error(ErrL,L) -> exit({error,{asn1,ErrL,L}}). -%% asn1-1.6.9 -control(Cmd, Data) -> - Port = asn1rt_driver_handler:client_port(), - erlang:port_control(Port, Cmd, Data). - -endif. diff --git a/lib/asn1/test/asn1.cover b/lib/asn1/test/asn1.cover index 589a8b7e3d..ad3a0f3db9 100644 --- a/lib/asn1/test/asn1.cover +++ b/lib/asn1/test/asn1.cover @@ -1,2 +1,3 @@ {incl_app,asn1,details}. +{excl_mods, asn1, [asn1rt_nif]}.
\ No newline at end of file diff --git a/lib/asn1/test/asn1_SUITE.erl.src b/lib/asn1/test/asn1_SUITE.erl.src index e7f93a4053..124ee2d2bb 100644 --- a/lib/asn1/test/asn1_SUITE.erl.src +++ b/lib/asn1/test/asn1_SUITE.erl.src @@ -2036,11 +2036,7 @@ rtUI(Config) -> ?line {ok,_} = asn1rt:info('Prim'), ?line ok = asn1ct:compile(filename:join(DataDir,"Prim"),[?PER]), - ?line {ok,_} = asn1rt:info('Prim'), - - ?line ok = asn1rt:load_driver(), - ?line ok = asn1rt:load_driver(), - ?line ok = asn1rt:unload_driver(). + ?line {ok,_} = asn1rt:info('Prim'). testROSE(suite) -> []; testROSE(Config) -> diff --git a/lib/asn1/test/asn1_bin_v2_particular_SUITE.erl.src b/lib/asn1/test/asn1_bin_v2_particular_SUITE.erl.src index abd21b0d78..4c3c8c7808 100644 --- a/lib/asn1/test/asn1_bin_v2_particular_SUITE.erl.src +++ b/lib/asn1/test/asn1_bin_v2_particular_SUITE.erl.src @@ -11,37 +11,219 @@ smp(Config) -> ?line Msg = {initiatingMessage, testNBAPsystem:cell_setup_req_msg()}, ?line ok = testNBAPsystem:compile(Config,per_bin,[optimize]), - - Parent = self(), - ?line ok = asn1rt:load_driver(), - - smp2(Parent,NumOfProcs,Msg,2), + enc_dec(NumOfProcs,Msg,2), N = 10000, - ?line {Time1,ok} = timer:tc(?MODULE,smp2,[Parent,NumOfProcs,Msg, N]), - ?line {Time1S,ok} = timer:tc(?MODULE,sequential,[NumOfProcs * N,Msg]), + ?line {Time1,ok} = timer:tc(?MODULE,enc_dec,[NumOfProcs,Msg, N]), + ?line {Time1S,ok} = timer:tc(?MODULE,enc_dec,[1, Msg, NumOfProcs * N]), - ?line ok = testNBAPsystem:compile(Config,ber_bin,[optimize,driver]), - ?line {Time2,ok} = timer:tc(?MODULE,smp2,[Parent,NumOfProcs,Msg, N]), + ?line ok = testNBAPsystem:compile(Config,ber_bin,[optimize,nif]), + ?line {Time3,ok} = timer:tc(?MODULE,enc_dec,[NumOfProcs,Msg, N]), - ?line {Time2S,ok} = timer:tc(?MODULE,sequential,[NumOfProcs * N,Msg]), + ?line {Time3S,ok} = timer:tc(?MODULE,enc_dec,[1, Msg, NumOfProcs * N]), - {comment,lists:flatten(io_lib:format("Encode/decode time parallell with ~p cores: ~p [microsecs]~nEncode/decode time sequential: ~p [microsecs]",[NumOfProcs,Time1+Time2,Time1S+Time2S]))}; + {comment,lists:flatten( + io_lib:format( + "Encode/decode time parallell with ~p cores: ~p [microsecs]~n" + "Encode/decode time sequential: ~p [microsecs]", + [NumOfProcs,Time1+Time3,Time1S+Time3S]))}; false -> {skipped,"No smp support"} end. -smp2(Parent,NumOfProcs,Msg, N) -> - Pids = [spawn_link(fun() -> worker(Msg,Parent, N) end) - || _ <- lists:seq(1,NumOfProcs)], - ?line ok = wait_pids(Pids). +per_performance(Config) -> + PrivDir = proplists:get_value(priv_dir, Config), + NifDir = filename:join(PrivDir,"nif"), + ErlDir = filename:join(PrivDir,"erl"), + file:make_dir(NifDir),file:make_dir(ErlDir), + + ?line Msg = {initiatingMessage, testNBAPsystem:cell_setup_req_msg()}, + ?line ok = testNBAPsystem:compile([{priv_dir,NifDir}|Config],per_bin, + [optimize]), + ?line ok = testNBAPsystem:compile([{priv_dir,ErlDir}|Config],per_bin, + []), + + Modules = ['NBAP-CommonDataTypes', + 'NBAP-Constants', + 'NBAP-Containers', + 'NBAP-IEs', + 'NBAP-PDU-Contents', + 'NBAP-PDU-Discriptions'], + + + PreNif = fun() -> + code:add_patha(NifDir), + lists:foreach(fun(M) -> + code:purge(M), + code:load_file(M) + end,Modules) + end, + + PreErl = fun() -> + code:add_patha(ErlDir), + lists:foreach(fun(M) -> + code:purge(M), + code:load_file(M) + end,Modules) + end, + + Func = fun() -> + element(1,timer:tc( + asn1_wrapper,encode,['NBAP-PDU-Discriptions', + 'NBAP-PDU', + Msg])) + end, + + nif_vs_erlang_performance({{{PreNif,Func},{PreErl,Func}},100000,32}). + +ber_performance(Config) -> + + ?line Msg = {initiatingMessage, testNBAPsystem:cell_setup_req_msg()}, + ?line ok = testNBAPsystem:compile(Config,ber_bin,[optimize,nif]), + + + BerFun = fun() -> + {ok,B} = asn1_wrapper:encode('NBAP-PDU-Discriptions', + 'NBAP-PDU', Msg), + asn1_wrapper:decode( + 'NBAP-PDU-Discriptions', + 'NBAP-PDU', + B) + end, + nif_vs_erlang_performance({BerFun,100000,32}). + +cert_pem_performance(Config) when is_list(Config) -> + cert_pem_performance({100000, 32}); +cert_pem_performance({N,S}) -> + nif_vs_erlang_performance({fun cert_pem/0,N,S}). + +dsa_pem_performance(Config) when is_list(Config) -> + cert_pem_performance({100000, 32}); +dsa_pem_performance({N,S}) -> + nif_vs_erlang_performance({fun dsa_pem/0,N,S}). + + +nif_vs_erlang_performance({{TC1,TC2},N,Sched}) -> + random:seed({123,456,789}), + io:format("Running a ~p sample with ~p max procs...~n~n",[N,Sched]), + + {True,False} = exec(TC1,TC2,Sched,N+1), + + io:format("~ndone!~n"), + + io:format("~n"),TStats = print_stats(strip(True,N div 20)), + io:format("~n"),FStats = print_stats(strip(False,N div 20)), + Str = io_lib:format("~nNifs are ~.3f% faster than erlang!~n", + [(element(2,FStats) - element(2,TStats)) / + element(2,FStats) * 100]), + io:format(Str), + {comment, lists:flatten(Str)}; +nif_vs_erlang_performance({T,N,Sched}) -> + PTC1 = fun() -> + application:set_env(asn1, nif_loadable, true) + end, + PTC2 = fun() -> + application:set_env(asn1, nif_loadable, false) + end, + TC = fun() -> + element(1,timer:tc(T)) + end, + nif_vs_erlang_performance({{{PTC1,TC},{PTC2,TC}},N,Sched}). + + +print_stats(Data) -> + Length = length(Data), + Mean = lists:sum(Data) / Length, + Variance = lists:foldl(fun(N,Acc) -> math:pow(N - Mean, 2)+Acc end, 0, Data), + StdDev = math:sqrt(Variance / Length), + Median = lists:nth(round(Length/2),Data), + Min = lists:min(Data), + Max = lists:max(Data), + if Length < 20 -> + io:format("Data: ~w~n",[Data]); + true -> + ok + end, + io:format("Length: ~p~nMean: ~p~nStdDev: ~p~nMedian: ~p~nMin: ~p~nMax: ~p~n", + [Length,Mean,StdDev,Median,Min,Max]), + {Length,Mean,StdDev,Median,Min,Max}. + +collect(Acc) -> + receive + {Tag,Val} -> + Prev = proplists:get_value(Tag,Acc,[]), + collect(lists:keystore(Tag,1,Acc,{Tag,[Val|Prev]})) + after 100 -> + Acc + end. + +exec(One,Two,Max,N) -> + exec(One,Two,Max,N,{[],[]}). +exec(_,_,_,1,{D1,D2}) -> + {lists:flatten(D1),lists:flatten(D2)}; +exec({PreOne,One} = O,{PreTwo,Two} = T,MaxProcs, N, {D1,D2}) -> + Num = random:uniform(round(N/2)), + if Num rem 3 == 0 -> + timer:sleep(Num rem 1000); + true -> + ok + end, + Procs = random:uniform(MaxProcs), + io:format("\tBatch: ~p items in ~p processes, ~p left~n",[Num,Procs,N-Num]), + if Num rem 2 == 1 -> + erlang:garbage_collect(), + PreOne(), + MoreOne = pexec(One, Num, Procs, []), + erlang:garbage_collect(), + PreTwo(), + MoreTwo = pexec(Two, Num, Procs, []); + true -> + erlang:garbage_collect(), + PreTwo(), + MoreTwo = pexec(Two, Num, Procs, []), + erlang:garbage_collect(), + PreOne(), + MoreOne = pexec(One, Num, Procs, []) + end, + exec(O,T,MaxProcs,N-Num,{[MoreOne|D1], + [MoreTwo|D2]}). + +pexec(_Fun, _, 0, []) -> + []; +pexec(Fun, _, 0, [{Ref,Pid}|Rest]) -> + receive + {data,D} -> + [D|pexec(Fun,0,0,[{Ref,Pid}|Rest])]; + {'DOWN', Ref, process, Pid, normal} -> + pexec(Fun, 0,0,Rest) + end; +pexec(Fun, 0, 1, AccProcs) -> + pexec(Fun, 0, 0, AccProcs); +pexec(Fun, N, 1, AccProcs) -> + [Fun()|pexec(Fun, N - 1, 1, AccProcs)]; +pexec(Fun, N, Procs, AccProcs) -> + S = self(), + Pid = spawn(fun() -> + S ! {data,pexec(Fun,N,1,[])} + end), + Ref = erlang:monitor(process, Pid), + pexec(Fun, N, Procs - 1, [{Ref,Pid}|AccProcs]). -worker(Msg, Parent, N) -> - %% io:format("smp worker ~p with ~p worker loops.~n",[self(), N]), - worker_loop(N, Msg), - Parent ! self(). +strip(Data,Num) -> + {_,R} = lists:split(Num,lists:sort(Data)), + element(2,lists:split(Num,lists:reverse(R))). + +faster(A,B) -> + (B - A)/B * 100. + +enc_dec(1, Msg, N) -> + worker_loop(N, Msg); +enc_dec(NumOfProcs,Msg, N) -> + pforeach(fun(_) -> + worker_loop(N, Msg) + end, [I || I <- lists:seq(1,NumOfProcs)]). worker_loop(0, _Msg) -> ok; @@ -50,28 +232,24 @@ worker_loop(N, Msg) -> 'NBAP-PDU', Msg), ?line {ok,_Msg}=asn1_wrapper:decode('NBAP-PDU-Discriptions', - 'NBAP-PDU', - B), + 'NBAP-PDU', + B), worker_loop(N - 1, Msg). -wait_pids([]) -> - ok; -wait_pids(Pids) -> +pforeach(Fun, List) -> + pforeach(Fun, List, []). +pforeach(Fun, [], [{Pid,Ref}|Pids]) -> receive - Pid when is_pid(Pid) -> - ?line true = lists:member(Pid,Pids), - Others = lists:delete(Pid,Pids), - io:format("wait_pid got ~p, still waiting for ~p\n",[Pid,Others]), - wait_pids(Others); - Err -> - io:format("Err: ~p~n",[Err]), - ?line exit(Err) - end. - -sequential(N,Msg) -> - %%io:format("sequential encode/decode with N = ~p~n",[N]), - worker_loop(N,Msg). + {'DOWN', Ref, process, Pid, normal} -> + pforeach(Fun, [], Pids) + end; +pforeach(Fun, [H|T], Pids) -> + Pid = spawn(fun() -> Fun(H) end), + Ref = erlang:monitor(process, Pid), + pforeach(Fun, T, [{Pid, Ref}|Pids]); +pforeach(_Fun,[],[]) -> + ok. -record('InitiatingMessage',{procedureCode,criticality,value}). -record('Iu-ReleaseCommand',{first,second}). @@ -93,3 +271,21 @@ ticket7904(Config) -> ?line {ok,_} = 'RANAPextract1':encode('InitiatingMessage', Val1), asn1rt:unload_driver(), ?line {ok,_} = 'RANAPextract1':encode('InitiatingMessage', Val1). + +cert_pem() -> + 'OTP-PUB-KEY':decode('Certificate',<<48,130,3,184,48,130,3,33,160,3,2,1,2,2,1,1,48,13,6,9,42,134,72,134,247,13,1,1,5,5,0,48,129,131,49,14,48,12,6,3,85,4,3,19,5,111,116,112,67,65,49,19,48,17,6,3,85,4,11,19,10,69,114,108,97,110,103,32,79,84,80,49,20,48,18,6,3,85,4,10,19,11,69,114,105,99,115,115,111,110,32,65,66,49,11,48,9,6,3,85,4,6,19,2,83,69,49,18,48,16,6,3,85,4,7,19,9,83,116,111,99,107,104,111,108,109,49,37,48,35,6,9,42,134,72,134,247,13,1,9,1,22,22,112,101,116,101,114,64,101,114,105,120,46,101,114,105,99,115,115,111,110,46,115,101,48,30,23,13,48,56,48,49,48,57,48,56,50,57,51,48,90,23,13,49,55,49,49,49,55,48,56,50,57,51,48,90,48,129,132,49,15,48,13,6,3,85,4,3,19,6,99,108,105,101,110,116,49,19,48,17,6,3,85,4,11,19,10,69,114,108,97,110,103,32,79,84,80,49,20,48,18,6,3,85,4,10,19,11,69,114,105,99,115,115,111,110,32,65,66,49,11,48,9,6,3,85,4,6,19,2,83,69,49,18,48,16,6,3,85,4,7,19,9,83,116,111,99,107,104,111,108,109,49,37,48,35,6,9,42,134,72,134,247,13,1,9,1,22,22,112,101,116,101,114,64,101,114,105,120,46,101,114,105,99,115,115,111,110,46,115,101,48,129,159,48,13,6,9,42,134,72,134,247,13,1,1,1,5,0,3,129,141,0,48,129,137,2,129,129,0,245,56,68,254,220,239,193,190,63,221,182,60,67,77,121,163,214,136,137,183,139,8,166,30,100,27,45,17,126,58,15,173,151,218,75,224,148,14,22,164,10,100,186,183,104,175,197,97,96,182,146,150,106,129,140,100,194,106,90,62,133,233,155,46,155,33,101,220,83,193,182,232,240,99,253,249,114,8,159,172,143,77,179,132,229,205,29,110,185,233,224,52,25,149,249,100,80,229,199,125,23,106,146,233,159,26,13,8,161,206,221,43,240,149,42,45,194,190,85,6,235,152,220,219,160,32,144,67,2,3,1,0,1,163,130,1,55,48,130,1,51,48,9,6,3,85,29,19,4,2,48,0,48,11,6,3,85,29,15,4,4,3,2,5,224,48,29,6,3,85,29,14,4,22,4,20,26,59,44,5,72,211,158,214,23,34,30,241,125,27,123,115,93,163,231,120,48,129,179,6,3,85,29,35,4,129,171,48,129,168,128,20,6,171,128,52,58,164,184,118,178,189,157,46,40,229,109,145,222,125,1,155,161,129,140,164,129,137,48,129,134,49,17,48,15,6,3,85,4,3,19,8,101,114,108,97,110,103,67,65,49,19,48,17,6,3,85,4,11,19,10,69,114,108,97,110,103,32,79,84,80,49,20,48,18,6,3,85,4,10,19,11,69,114,105,99,115,115,111,110,32,65,66,49,18,48,16,6,3,85,4,7,19,9,83,116,111,99,107,104,111,108,109,49,11,48,9,6,3,85,4,6,19,2,83,69,49,37,48,35,6,9,42,134,72,134,247,13,1,9,1,22,22,112,101,116,101,114,64,101,114,105,120,46,101,114,105,99,115,115,111,110,46,115,101,130,1,1,48,33,6,3,85,29,17,4,26,48,24,129,22,112,101,116,101,114,64,101,114,105,120,46,101,114,105,99,115,115,111,110,46,115,101,48,33,6,3,85,29,18,4,26,48,24,129,22,112,101,116,101,114,64,101,114,105,120,46,101,114,105,99,115,115,111,110,46,115,101,48,13,6,9,42,134,72,134,247,13,1,1,5,5,0,3,129,129,0,93,11,112,227,121,15,121,179,247,135,110,216,17,197,84,18,149,166,147,142,190,178,0,209,190,0,142,233,144,100,194,205,220,182,73,204,108,42,95,23,48,63,4,120,239,42,194,25,184,35,117,107,96,229,18,45,76,122,125,40,171,210,132,50,146,178,160,55,17,35,255,208,114,30,47,55,185,154,155,165,204,180,14,143,20,234,6,234,201,225,72,235,5,87,61,255,250,23,217,1,144,246,98,221,223,102,49,168,177,13,70,241,26,27,254,251,217,14,244,18,242,197,151,50,186,214,15,42>>). + +dsa_pem() -> + 'OTP-PUB-KEY':decode('DSAPrivateKey',<<48,130,1,187,2,1,0,2,129,129,0,183,179,230,217,37,99,144,157,21,228,204,162,207,61,246,144,58,139,139,184,184,43,108,206,0,115,173,208,100,233,201,121,21,90,179,119,53,140,25,52,34,202,121,211,164,107,43,56,68,162,159,51,244,232,138,126,164,109,121,89,237,142,57,28,32,188,44,67,253,111,121,104,40,141,211,255,140,118,37,234,150,201,155,160,16,17,51,59,26,249,41,129,16,211,119,128,95,254,182,235,132,0,92,206,93,77,106,217,201,132,203,4,75,201,246,204,216,162,1,84,79,211,10,21,152,195,103,145,2,21,0,213,30,184,86,247,16,247,69,192,241,35,138,84,57,140,3,71,65,206,233,2,129,129,0,148,179,24,63,74,91,128,25,96,29,5,78,223,246,175,0,121,86,54,178,42,231,98,241,147,180,157,60,149,160,50,243,227,76,175,89,234,203,252,242,76,108,9,204,157,182,59,206,227,127,99,215,42,156,194,78,116,25,7,62,243,169,45,5,101,179,247,127,199,144,135,103,23,42,154,125,231,248,154,101,175,155,101,42,232,41,80,41,47,128,208,11,31,106,63,12,202,207,135,80,200,136,250,171,31,118,52,91,200,138,112,111,179,23,214,123,21,118,194,179,0,185,217,52,197,182,236,13,2,129,128,124,66,0,111,121,139,142,209,95,136,95,237,177,150,248,252,49,135,117,100,155,232,138,244,132,89,40,5,70,125,202,96,78,239,76,37,125,149,82,64,107,54,227,73,25,180,227,41,0,234,73,47,80,242,242,129,250,61,68,62,39,38,156,193,146,40,241,247,106,215,223,202,194,110,130,62,186,90,18,28,196,174,99,47,193,61,130,100,150,25,248,115,164,231,153,99,46,69,66,139,33,187,51,49,35,219,234,29,44,172,166,247,42,16,177,187,9,162,81,243,33,26,100,46,78,57,203,135,2,20,89,128,159,14,187,249,182,172,15,88,162,110,211,71,179,209,29,125,217,38>>), + 'OTP-PUB-KEY':decode('SubjectPublicKeyInfo',<<48,130,1,183,48,130,1,44,6,7,42,134,72,206,56,4,1,48,130,1,31,2,129,129,0,183,179,230,217,37,99,144,157,21,228,204,162,207,61,246,144,58,139,139,184,184,43,108,206,0,115,173,208,100,233,201,121,21,90,179,119,53,140,25,52,34,202,121,211,164,107,43,56,68,162,159,51,244,232,138,126,164,109,121,89,237,142,57,28,32,188,44,67,253,111,121,104,40,141,211,255,140,118,37,234,150,201,155,160,16,17,51,59,26,249,41,129,16,211,119,128,95,254,182,235,132,0,92,206,93,77,106,217,201,132,203,4,75,201,246,204,216,162,1,84,79,211,10,21,152,195,103,145,2,21,0,213,30,184,86,247,16,247,69,192,241,35,138,84,57,140,3,71,65,206,233,2,129,129,0,148,179,24,63,74,91,128,25,96,29,5,78,223,246,175,0,121,86,54,178,42,231,98,241,147,180,157,60,149,160,50,243,227,76,175,89,234,203,252,242,76,108,9,204,157,182,59,206,227,127,99,215,42,156,194,78,116,25,7,62,243,169,45,5,101,179,247,127,199,144,135,103,23,42,154,125,231,248,154,101,175,155,101,42,232,41,80,41,47,128,208,11,31,106,63,12,202,207,135,80,200,136,250,171,31,118,52,91,200,138,112,111,179,23,214,123,21,118,194,179,0,185,217,52,197,182,236,13,3,129,132,0,2,129,128,124,66,0,111,121,139,142,209,95,136,95,237,177,150,248,252,49,135,117,100,155,232,138,244,132,89,40,5,70,125,202,96,78,239,76,37,125,149,82,64,107,54,227,73,25,180,227,41,0,234,73,47,80,242,242,129,250,61,68,62,39,38,156,193,146,40,241,247,106,215,223,202,194,110,130,62,186,90,18,28,196,174,99,47,193,61,130,100,150,25,248,115,164,231,153,99,46,69,66,139,33,187,51,49,35,219,234,29,44,172,166,247,42,16,177,187,9,162,81,243,33,26,100,46,78,57,203,135>>), + 'OTP-PUB-KEY':decode('DSAParams',<<48,130,1,31,2,129,129,0,183,179,230,217,37,99,144,157,21,228,204,162,207,61,246,144,58,139,139,184,184,43,108,206,0,115,173,208,100,233,201,121,21,90,179,119,53,140,25,52,34,202,121,211,164,107,43,56,68,162,159,51,244,232,138,126,164,109,121,89,237,142,57,28,32,188,44,67,253,111,121,104,40,141,211,255,140,118,37,234,150,201,155,160,16,17,51,59,26,249,41,129,16,211,119,128,95,254,182,235,132,0,92,206,93,77,106,217,201,132,203,4,75,201,246,204,216,162,1,84,79,211,10,21,152,195,103,145,2,21,0,213,30,184,86,247,16,247,69,192,241,35,138,84,57,140,3,71,65,206,233,2,129,129,0,148,179,24,63,74,91,128,25,96,29,5,78,223,246,175,0,121,86,54,178,42,231,98,241,147,180,157,60,149,160,50,243,227,76,175,89,234,203,252,242,76,108,9,204,157,182,59,206,227,127,99,215,42,156,194,78,116,25,7,62,243,169,45,5,101,179,247,127,199,144,135,103,23,42,154,125,231,248,154,101,175,155,101,42,232,41,80,41,47,128,208,11,31,106,63,12,202,207,135,80,200,136,250,171,31,118,52,91,200,138,112,111,179,23,214,123,21,118,194,179,0,185,217,52,197,182,236,13>>), + 'OTP-PUB-KEY':decode('DSAPublicKey',<<2,129,128,124,66,0,111,121,139,142,209,95,136,95,237,177,150,248,252,49,135,117,100,155,232,138,244,132,89,40,5,70,125,202,96,78,239,76,37,125,149,82,64,107,54,227,73,25,180,227,41,0,234,73,47,80,242,242,129,250,61,68,62,39,38,156,193,146,40,241,247,106,215,223,202,194,110,130,62,186,90,18,28,196,174,99,47,193,61,130,100,150,25,248,115,164,231,153,99,46,69,66,139,33,187,51,49,35,219,234,29,44,172,166,247,42,16,177,187,9,162,81,243,33,26,100,46,78,57,203,135>>), + 'OTP-PUB-KEY':encode('DSAParams',{params,{'Dss-Parms',129000451850199666185842362389296595317127259539517666765336291347244303954511451744518587442120964433734460998523119938005801396466878889993179871123036311260456172022864663021425348874648247531097042575063545128239655736096045972718934778583429973433661785691086624069991876932064334822608460064613803976593,1216700114794736143432235288305776850295620488937,104420402274523493329542694749036577763086597934731674202966304958550599470165597750883637440049774107540742087494301536297571301945349213110548764383811017178451900599240379681904765817950545426764751538502808499880604633364255316249231153053427235538288687666086821781456733226598288985591031656134573747213}}), + 'OTP-PUB-KEY':encode( + 'SubjectPublicKeyInfo', + {'SubjectPublicKeyInfo', + {'AlgorithmIdentifier', + {1,2,840,10040,4,1}, + <<48,130,1,31,2,129,129,0,183,179,230,217,37,99,144,157,21,228,204,162,207,61,246,144,58,139,139,184,184,43,108,206,0,115,173,208,100,233,201,121,21,90,179,119,53,140,25,52,34,202,121,211,164,107,43,56,68,162,159,51,244,232,138,126,164,109,121,89,237,142,57,28,32,188,44,67,253,111,121,104,40,141,211,255,140,118,37,234,150,201,155,160,16,17,51,59,26,249,41,129,16,211,119,128,95,254,182,235,132,0,92,206,93,77,106,217,201,132,203,4,75,201,246,204,216,162,1,84,79,211,10,21,152,195,103,145,2,21,0,213,30,184,86,247,16,247,69,192,241,35,138,84,57,140,3,71,65,206,233,2,129,129,0,148,179,24,63,74,91,128,25,96,29,5,78,223,246,175,0,121,86,54,178,42,231,98,241,147,180,157,60,149,160,50,243,227,76,175,89,234,203,252,242,76,108,9,204,157,182,59,206,227,127,99,215,42,156,194,78,116,25,7,62,243,169,45,5,101,179,247,127,199,144,135,103,23,42,154,125,231,248,154,101,175,155,101,42,232,41,80,41,47,128,208,11,31,106,63,12,202,207,135,80,200,136,250,171,31,118,52,91,200,138,112,111,179,23,214,123,21,118,194,179,0,185,217,52,197,182,236,13>>}, + {0, + <<2,129,128,124,66,0,111,121,139,142,209,95,136,95,237,177,150,248,252,49,135,117,100,155,232,138,244,132,89,40,5,70,125,202,96,78,239,76,37,125,149,82,64,107,54,227,73,25,180,227,41,0,234,73,47,80,242,242,129,250,61,68,62,39,38,156,193,146,40,241,247,106,215,223,202,194,110,130,62,186,90,18,28,196,174,99,47,193,61,130,100,150,25,248,115,164,231,153,99,46,69,66,139,33,187,51,49,35,219,234,29,44,172,166,247,42,16,177,187,9,162,81,243,33,26,100,46,78,57,203,135>>}}). diff --git a/lib/asn1/test/ber_decode_error.erl b/lib/asn1/test/ber_decode_error.erl index 96d6545636..a566e0b07f 100644 --- a/lib/asn1/test/ber_decode_error.erl +++ b/lib/asn1/test/ber_decode_error.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2010. All Rights Reserved. +%% Copyright Ericsson AB 1999-2011. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -45,6 +45,10 @@ run([]) -> run([driver]) -> %% test of OTP-4797, bad indata to driver does not cause an EXIT ?line {error,_Reason} = asn1rt:decode('Constructed','S3',[3,5]), + ok; +run([nif]) -> + %% test of OTP-4797, bad indata to driver does not cause an EXIT + ?line {error,_Reason} = asn1rt:decode('Constructed','S3',[3,5]), ok. diff --git a/lib/asn1/test/testPrim.erl b/lib/asn1/test/testPrim.erl index 97f99e7b1c..39c1e4d1d8 100644 --- a/lib/asn1/test/testPrim.erl +++ b/lib/asn1/test/testPrim.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2010. All Rights Reserved. +%% Copyright Ericsson AB 1997-2011. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -37,21 +37,10 @@ compile(Config,Rules,Opt) -> ?line DataDir = ?config(data_dir,Config), ?line OutDir = ?config(priv_dir,Config), ?line true = code:add_patha(?config(priv_dir,Config)), - case Opt of - [optimize] -> - ?line ok = asn1ct:compile(DataDir ++ "Prim", - [Rules,optimize,{outdir,OutDir}]), - ?line ok = asn1ct:compile(DataDir ++ "Real", - [Rules,optimize,{outdir,OutDir}]); - __ -> - ?line ok = asn1ct:compile(DataDir ++ "Prim", - [Rules,{outdir,OutDir}]), - ?line ok = asn1ct:compile(DataDir ++ "Real", - [Rules,{outdir,OutDir}]) - end. - - - + ?line ok = asn1ct:compile(DataDir ++ "Prim", + [Rules,{outdir,OutDir}] ++ Opt), + ?line ok = asn1ct:compile(DataDir ++ "Real", + [Rules,{outdir,OutDir}] ++ Opt). bool(Rules) -> |