static const char *__get_header(const struct sip_request *req, const char *name, int *start)
{
- int pass;
-
/*
* Technically you can place arbitrary whitespace both before and after the ':' in
* a header, although RFC3261 clearly says you shouldn't before, and place just
* Anyways, pedanticsipchecking controls whether we allow spaces before ':',
* and we always allow spaces after that for compatibility.
*/
- for (pass = 0; name && pass < 2;pass++) {
- int x, len = strlen(name);
- for (x = *start; x < req->headers; x++) {
- const char *header = REQ_OFFSET_TO_STR(req, header[x]);
- if (!strncasecmp(header, name, len)) {
- const char *r = header + len; /* skip name */
- if (sip_cfg.pedanticsipchecking) {
- r = ast_skip_blanks(r);
- }
+ const char *sname = find_alias(name, NULL);
+ int x, len = strlen(name), slen = (sname ? 1 : 0);
+ for (x = *start; x < req->headers; x++) {
+ const char *header = REQ_OFFSET_TO_STR(req, header[x]);
+ int smatch = 0, match = !strncasecmp(header, name, len);
+ if (slen) {
+ smatch = !strncasecmp(header, sname, slen);
+ }
+ if (match || smatch) {
+ /* skip name */
+ const char *r = header + (match ? len : slen );
+ if (sip_cfg.pedanticsipchecking) {
+ r = ast_skip_blanks(r);
+ }
- if (*r == ':') {
- *start = x+1;
- return ast_skip_blanks(r+1);
- }
+ if (*r == ':') {
+ *start = x+1;
+ return ast_skip_blanks(r+1);
}
}
- if (pass == 0) { /* Try aliases */
- name = find_alias(name, NULL);
- }
}
/* Don't return NULL, so sip_get_header is always a valid pointer */