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Bug 876489 - Signaling fix ccprovider::getDigits r=jesup

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This commit is contained in:
Ethan Hugg 2013-05-28 08:45:11 -07:00
parent aa126750f2
commit e6d2dee831
1 changed files with 10 additions and 5 deletions
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15
media/webrtc/signaling/src/sipcc/core/ccapp/ccprovider.c
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@ -581,9 +581,9 @@ static void updateVideoPref( unsigned int event, line_t line_id, callid_t call_i
* digits - memory to return the first param * digits - memory to return the first param
* Returns: * Returns:
*/ */
void getDigits(string_t data, char *digits) { static void getDigits(string_t data, char *digits, unsigned int buffer_length) {
char *endptr; char *endptr;
int len=0; unsigned int len=0;
digits[0]=0; digits[0]=0;
@ -595,6 +595,11 @@ void getDigits(string_t data, char *digits) {
len = strlen(data); len = strlen(data);
} }
/* prevent len from writing past buffer size */
if (len >= buffer_length) {
len = buffer_length - 1;
}
if ( len) { if ( len) {
memcpy(digits, data, len); memcpy(digits, data, len);
digits[len] = 0; digits[len] = 0;
@ -692,7 +697,7 @@ processSessionEvent (line_t line_id, callid_t call_id, unsigned int event, sdp_d
break; break;
case CC_FEATURE_DIALSTR: case CC_FEATURE_DIALSTR:
if (CheckAndGetAvailableLine(&line_id, &call_id) == TRUE) { if (CheckAndGetAvailableLine(&line_id, &call_id) == TRUE) {
getDigits(data, digits); getDigits(data, digits, sizeof(digits));
if (strlen(digits) == 0) { if (strlen(digits) == 0) {
//if dial string is empty then go offhook //if dial string is empty then go offhook
cc_offhook(CC_SRC_UI, call_id, line_id); cc_offhook(CC_SRC_UI, call_id, line_id);
@ -779,7 +784,7 @@ processSessionEvent (line_t line_id, callid_t call_id, unsigned int event, sdp_d
break; break;
} }
getDigits(data,digits); getDigits(data, digits, sizeof(digits));
dp_int_init_dialing_data(line_id, call_id); dp_int_init_dialing_data(line_id, call_id);
dp_int_dial_immediate(line_id, call_id, TRUE, dp_int_dial_immediate(line_id, call_id, TRUE,
@ -890,7 +895,7 @@ processSessionEvent (line_t line_id, callid_t call_id, unsigned int event, sdp_d
}// DON'T ADD BREAK HERE. EVENT IS PASSED BELOW }// DON'T ADD BREAK HERE. EVENT IS PASSED BELOW
case CC_FEATURE_B2BCONF: case CC_FEATURE_B2BCONF:
case CC_FEATURE_XFER: case CC_FEATURE_XFER:
getDigits(data,digits); getDigits(data, digits, sizeof(digits));
if ( strlen(digits)) { if ( strlen(digits)) {
cc_feature_data_t ftr_data; cc_feature_data_t ftr_data;
CCAPP_DEBUG(DEB_F_PREFIX"conf: sid=%s.", DEB_F_PREFIX_ARGS(SIP_CC_PROV, fname),data); CCAPP_DEBUG(DEB_F_PREFIX"conf: sid=%s.", DEB_F_PREFIX_ARGS(SIP_CC_PROV, fname),data);