diff options
Diffstat (limited to 'channels')
| -rw-r--r-- | channels/chan_sip.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index b5b7da6c8..dd64867e8 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -9871,10 +9871,8 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req, int t38action } } else { char type[20] = {0,}; - char *typelen = strchr(m, ' '); - if (typelen && typelen - m < 20 && - ((sscanf(m, "%s %30u/%30u %n", type, &x, &numberofports, &len) == 2 && len > 0) || - (sscanf(m, "%s %30u %n", type, &x, &len) == 1 && len > 0))) { + if ((sscanf(m, "%19s %30u/%30u %n", type, &x, &numberofports, &len) == 3 && len > 0) || + (sscanf(m, "%19s %30u %n", type, &x, &len) == 2 && len > 0)) { /* produce zero-port m-line since it may be needed later * length is "m=" + type + " 0 " + remainder + "\0" */ if (!(offer->decline_m_line = ast_malloc(2 + strlen(type) + 3 + strlen(m + len) + 1))) { |