diff options
Diffstat (limited to 'lib/asn1/c_src/asn1_erl_nif.c')
| -rw-r--r-- | lib/asn1/c_src/asn1_erl_nif.c | 62 |
1 files changed, 31 insertions, 31 deletions
diff --git a/lib/asn1/c_src/asn1_erl_nif.c b/lib/asn1/c_src/asn1_erl_nif.c index 8a0e4b1cf0..828b55eec6 100644 --- a/lib/asn1/c_src/asn1_erl_nif.c +++ b/lib/asn1/c_src/asn1_erl_nif.c @@ -3,16 +3,17 @@ * * Copyright Ericsson AB 2002-2013. 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 - * 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/. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at * - * 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. + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. * * %CopyrightEnd% * @@ -941,16 +942,31 @@ static int ber_decode_value(ErlNifEnv* env, ERL_NIF_TERM *value, unsigned char * 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 */{ + } else if (in_buf[*ib_index] == ASN1_INDEFINITE_LENGTH) { + (*ib_index)++; + curr_head = enif_make_list(env, 0); + if (*ib_index+1 >= in_buf_len || form == ASN1_PRIMITIVE) { + return ASN1_INDEF_LEN_ERROR; + } + while (!(in_buf[*ib_index] == 0 && in_buf[*ib_index + 1] == 0)) { + maybe_ret = ber_decode(env, &term, in_buf, ib_index, in_buf_len); + if (maybe_ret <= ASN1_ERROR) { + return maybe_ret; + } + curr_head = enif_make_list_cell(env, term, curr_head); + if (*ib_index+1 >= in_buf_len) { + return ASN1_INDEF_LEN_ERROR; + } + } + enif_make_reverse_list(env, curr_head, value); + (*ib_index) += 2; /* skip the indefinite length end bytes */ + return ASN1_OK; + } 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; @@ -965,23 +981,7 @@ static int ber_decode_value(ErlNifEnv* env, ERL_NIF_TERM *value, unsigned char * 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) - { + if (form == ASN1_CONSTRUCTED) { int end_index = *ib_index + len; if (end_index > in_buf_len) return ASN1_LEN_ERROR; |