diff options
Diffstat (limited to 'lib/megaco/src/flex')
| -rw-r--r-- | lib/megaco/src/flex/megaco_flex_scanner_drv.flex.src | 33 | ||||
| -rw-r--r-- | lib/megaco/src/flex/megaco_flex_scanner_handler.erl | 6 |
2 files changed, 30 insertions, 9 deletions
diff --git a/lib/megaco/src/flex/megaco_flex_scanner_drv.flex.src b/lib/megaco/src/flex/megaco_flex_scanner_drv.flex.src index b8146c345d..e143450ea9 100644 --- a/lib/megaco/src/flex/megaco_flex_scanner_drv.flex.src +++ b/lib/megaco/src/flex/megaco_flex_scanner_drv.flex.src @@ -1,8 +1,14 @@ /* * %CopyrightBegin% +<<<<<<< HEAD * * Copyright Ericsson AB 2001-2011. All Rights Reserved. * +======= + * + * Copyright Ericsson AB 2001-2013. All Rights Reserved. + * +>>>>>>> bmk/megaco/flex_buffer_overrun_while_scanning_prop_parms/OTP-10998/r14 * 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 @@ -94,6 +100,13 @@ typedef struct { int token_counter; } MfsErlDrvData; +/* IBL = In Buffer Length - the raw (un-decoded) message buffer length */ +#define TERM_SPEC_SIZE_INITIAL(IBL) (1024 + 2*(IBL)) + +/* CTSS = Current term spec size - the current term spec length */ +/* S = Size - how many positions we need */ +#define TERM_SPEC_SIZE_NEXT(CTSS,S) ((CTSS) + 1024 + (S)) + #if !defined(MEGACO_REENTRANT_FLEX_SCANNER) static MfsErlDrvData mfs_drv_data; #endif @@ -736,7 +749,7 @@ v LOAD_TOKEN(mfs_VersionToken); #endif -/* #define MFS_DEBUG true */ /* temporary */ +// #define MFS_DEBUG true #if defined(MFS_DEBUG) # define DBG( proto ) printf proto # define DBG_BUF(func, bufName, buf, bufSz) mfs_dbg_buf_print(func, bufName, buf, bufSz) @@ -841,15 +854,20 @@ static void mfs_ensure_term_spec(MfsErlDrvData* dataP, int size) "\n term_spec_size: %d\n", dataP->term_spec_index, dataP->term_spec_size) ); - dataP->term_spec_size = (dataP->term_spec_size * 2) + size; + dataP->term_spec_size = TERM_SPEC_SIZE_NEXT(dataP->term_spec_size, size); DBG( ("mfs_ensure_term_spec -> " - "term_spec is at 0x%X, new term_spec_size is %d\n", - (unsigned int) dataP->term_spec, dataP->term_spec_size) ); + "term_spec is at 0x%X, new term_spec_size is %d (%lu)\n", + (unsigned int) dataP->term_spec, + dataP->term_spec_size, + dataP->term_spec_size * sizeof(ErlDrvTermData)) ); tmp = REALLOC(dataP->term_spec, dataP->term_spec_size * sizeof(ErlDrvTermData)); + DBG( ("mfs_ensure_term_spec -> " + "realloc result: 0x%X\n", (unsigned int) tmp) ); + if (tmp == NULL) { /* * Ouch, we did'nt get any new memory. @@ -941,6 +959,9 @@ static void mfs_octet_load_token(ErlDrvTermData TokenTag, int is_empty) ASSIGN_TERM_SPEC(dataP, ERL_DRV_TUPLE); ASSIGN_TERM_SPEC(dataP, 3); + + DBG( ("mfs_octet_load_token -> done\n") ); + } #if defined(MEGACO_REENTRANT_FLEX_SCANNER) @@ -1240,7 +1261,7 @@ static void mfs_load_property_groups(MfsErlDrvData* dataP) } // if ((yytext[i] != SP)... } // while ... - mfs_ensure_term_spec(dataP, 4); // 2 + 2 just in case + mfs_ensure_term_spec(dataP, 6); // 3 + 3 just in case /* Make sure we actually have some groups */ @@ -1725,7 +1746,7 @@ static ErlDrvSSizeT mfs_control(ErlDrvData handle, dataP->text_buf = tmp; dataP->text_ptr = tmp; - dataP->term_spec_size = 1000 + buf_len; /* OTP-4237 */ + dataP->term_spec_size = TERM_SPEC_SIZE_INITIAL(buf_len); DBG( ("mfs_control -> allocate term-spec buffer: " "\n term_spec_size: %d\n", dataP->term_spec_size) ); diff --git a/lib/megaco/src/flex/megaco_flex_scanner_handler.erl b/lib/megaco/src/flex/megaco_flex_scanner_handler.erl index 420202134e..28333ab1d0 100644 --- a/lib/megaco/src/flex/megaco_flex_scanner_handler.erl +++ b/lib/megaco/src/flex/megaco_flex_scanner_handler.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2010. All Rights Reserved. +%% Copyright Ericsson AB 2001-2013. 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 @@ -181,11 +181,11 @@ terminate(_Reason, _S) -> %% Returns: {ok, NewState} %%---------------------------------------------------------------------- -code_change({down, _Vsn}, #state{conf = Conf} = State, downgrade_to_pre_3_13_1) -> +code_change({down, _Vsn}, #state{conf = Conf} = State, downgrade_to_pre_3_14_3) -> NewPorts = bump_flex_scanner(Conf), {ok, State#state{conf = {flex, NewPorts}}}; -code_change(_Vsn, #state{conf = Conf} = State, upgrade_from_pre_3_13_1) -> +code_change(_Vsn, #state{conf = Conf} = State, upgrade_from_pre_3_14_2) -> NewPorts = bump_flex_scanner(Conf), {ok, State#state{conf = {flex, NewPorts}}}; |