diff options
-rw-r--r-- | ChangeLog | 2 | ||||
-rw-r--r-- | src/input/libreal/sdpplin.c | 51 |
2 files changed, 33 insertions, 20 deletions
@@ -15,6 +15,8 @@ xine-lib (1.1.4) exhaustion of memory; patch by Matthias Drochner. [bug #1620339] * Fix invalid memory access in Real Media ASM parser; reported by Roland Kay. [bug #1603503] + * Fix program termination due to invalid Real Media SDP; reported by Roland + Kay. [bug #1602663] xine-lib (1.1.3) * Security fixes: diff --git a/src/input/libreal/sdpplin.c b/src/input/libreal/sdpplin.c index e77781253..dc83c3ee1 100644 --- a/src/input/libreal/sdpplin.c +++ b/src/input/libreal/sdpplin.c @@ -17,7 +17,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * - * $Id: sdpplin.c,v 1.6 2006/06/20 01:07:58 dgp85 Exp $ + * $Id: sdpplin.c,v 1.7 2006/12/25 16:12:17 dgp85 Exp $ * * sdp/sdpplin parser. * @@ -71,8 +71,9 @@ static char *b64_decode(const char *in, char *out, int *size) int c = in[i+j]; if (dtable[c] & 0x80) { - printf("Illegal character '%c' in input.\n", c); - exit(1); + fprintf(stderr, "Illegal character '%c' in input.\n", c); + *size = 0; + return NULL; } a[i] = (char) c; b[i] = (char) dtable[c]; @@ -200,11 +201,13 @@ static sdpplin_stream_t *sdpplin_parse_stream(char **data) { if(filter(*data,"a=OpaqueData:buffer;",&buf)) { decoded = b64_decode(buf, decoded, &(desc->mlti_data_size)); - desc->mlti_data = malloc(sizeof(char)*desc->mlti_data_size); - memcpy(desc->mlti_data, decoded, desc->mlti_data_size); - handled=1; - *data=nl(*data); - lprintf("mlti_data_size: %i\n", desc->mlti_data_size); + if ( decoded != NULL ) { + desc->mlti_data = malloc(sizeof(char)*desc->mlti_data_size); + memcpy(desc->mlti_data, decoded, desc->mlti_data_size); + handled=1; + *data=nl(*data); + lprintf("mlti_data_size: %i\n", desc->mlti_data_size); + } } if(filter(*data,"a=ASMRuleBook:string;",&buf)) { @@ -252,30 +255,38 @@ sdpplin_t *sdpplin_parse(char *data) { if(filter(data,"a=Title:buffer;",&buf)) { decoded=b64_decode(buf, decoded, &len); - desc->title=strdup(decoded); - handled=1; - data=nl(data); + if ( decoded != NULL ) { + desc->title=strdup(decoded); + handled=1; + data=nl(data); + } } if(filter(data,"a=Author:buffer;",&buf)) { decoded=b64_decode(buf, decoded, &len); - desc->author=strdup(decoded); - handled=1; - data=nl(data); + if ( decoded != NULL ) { + desc->author=strdup(decoded); + handled=1; + data=nl(data); + } } if(filter(data,"a=Copyright:buffer;",&buf)) { decoded=b64_decode(buf, decoded, &len); - desc->copyright=strdup(decoded); - handled=1; - data=nl(data); + if ( decoded != NULL ) { + desc->copyright=strdup(decoded); + handled=1; + data=nl(data); + } } if(filter(data,"a=Abstract:buffer;",&buf)) { decoded=b64_decode(buf, decoded, &len); - desc->abstract=strdup(decoded); - handled=1; - data=nl(data); + if ( decoded != NULL ) { + desc->abstract=strdup(decoded); + handled=1; + data=nl(data); + } } if(filter(data,"a=StreamCount:integer;",&buf)) { |