Function sip_validate_hdrs

modules/sipmsgops/sipmsgops.c:1181–1496

}

static int sip_validate_hdrs(struct sip_msg *msg)
{
	struct disposition *disp;
	struct hdr_field* hf, *hf2;
	struct to_body *to;
	content_t * cont;
	struct via_body *via_b;
	str str_aux;
	char *s_aux, *e_aux;
	unsigned u_aux;
	int i_aux;
	struct sip_uri uri, uri2;

#define CHECK_HDR_EMPTY() \
	do { \
		str_aux = hf->body; \
		trim_len( str_aux.len , str_aux.s , hf->body ); \
		if (str_aux.len <= 0) { \
			LM_DBG("header '%.*s' has invalid value %d\n", \
					hf->name.len, hf->name.s, str_aux.len); \
			goto failed; \
		} \
	} while (0)

#define CHECK_HDR_FUNC(_f, _o) \
	do { \
		if (_f(_o) < 0) { \
			LM_DBG("cannot parse '%.*s' header\n", \
					hf->name.len, hf->name.s); \
			goto failed; \
		} \
	} while (0)

	/* skip via, cseq, to and content length
	 * = we can be sure that they have been properly parsed =
	 * = because otherwise the code wouldn't reach here =
	 * = but in 'parse_msg'*/

	for (hf = msg->headers; hf; hf = hf->next) {
		/* try to eliminate errors fast */
		if (hf->type == HDR_ERROR_T) {
			LM_DBG("header %.*s could not be properly parsed\n",
					hf->name.len, hf->name.s);
			goto failed;
		}
		/* was successfully parsed previously */
		if (hf->parsed)
			continue;

		/* try to manually parse them */
		switch (hf->type) {
			case HDR_CONTENTTYPE_T:
				if (!(cont = pkg_malloc(sizeof (content_t)))) {
					LM_ERR("Unable to allocate memory\n");
					goto failed;
				}
				memset(cont, 0, sizeof (content_t));