// Get the SDP message from SIP message and check it's Content-Type
// return -1 on error, 0 if empty message, 1 if message present and not empty
static int
getSDPMessage(struct sip_msg *msg, str *sdp)
{
sdp->s = get_body(msg);
if (sdp->s==NULL) {
LOG(L_ERR, "error: mediaproxy/getSDPMessage(): cannot get the SDP body from SIP message\n");
return -1;
}
sdp->len = msg->buf + msg->len - sdp->s;
if (sdp->len==0) {
// 0 length body is ok for ACK messages
if (!(msg->first_line.type == SIP_REQUEST &&
msg->first_line.u.request.method_value == METHOD_ACK)) {
LOG(L_ERR, "error: mediaproxy/getSDPMessage(): SDP message has zero length\n");
}
return 0;
}
if (!checkContentType(msg)) {
LOG(L_ERR, "error: mediaproxy/getSDPMessage(): content type is not `application/sdp'\n");
return -1;
}
return 1;
}
static int internalPut(WordPutData *put, DFNode *abstract, DFNode *concrete, int isNew)
{
if (abstract->tag != HTML_IMG)
return 0;
switch (concrete->tag) {
case WORD_DRAWING:
case WORD_PICT:
case WORD_OBJECT:
break;
default:
return 0;
}
const char *htmlSrc = DFGetAttribute(abstract,HTML_SRC);
if ((htmlSrc == NULL) || !checkContentType(put->conv,htmlSrc))
return 0;
char *htmlFilename = DFRemovePercentEncoding(htmlSrc);
char *htmlPath = DFAppendPathComponent(put->conv->abstractPath,htmlFilename);
int r = internalPut2(put,abstract,concrete,isNew,htmlSrc,htmlPath);
free(htmlFilename);
free(htmlPath);
return r;
}
// Get the SDP message from SIP message and check it's Content-Type
// Return values:
// 1 - success
// -1 - error in getting body or invalid content type
// -2 - empty message
static int
getSDPMessage(struct sip_msg *msg, str *sdp)
{
sdp->s = get_body(msg);
if (sdp->s==NULL) {
LM_ERR("cannot get the SDP body\n");
return -1;
}
sdp->len = msg->buf + msg->len - sdp->s;
if (sdp->len == 0)
return -2;
if (!checkContentType(msg)) {
LM_ERR("content type is not `application/sdp'\n");
return -1;
}
return 1;
}