|
|
@@ -0,0 +1,164 @@
|
|
|
+/*
|
|
|
+ * $Id$
|
|
|
+ *
|
|
|
+ * This file is part of Kamailio, a free SIP server.
|
|
|
+ *
|
|
|
+ * Kamailio is free software; you can redistribute it and/or modify
|
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
|
+ * (at your option) any later version
|
|
|
+ *
|
|
|
+ * Kamailio is distributed in the hope that it will be useful,
|
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
+ * GNU General Public License for more details.
|
|
|
+ *
|
|
|
+ * You should have received a copy of the GNU General Public License
|
|
|
+ * along with this program; if not, write to the Free Software
|
|
|
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
+ *
|
|
|
+ */
|
|
|
+
|
|
|
+#ifndef OPTION_TAGS_H
|
|
|
+#define OPTION_TAGS_H
|
|
|
+
|
|
|
+#include <strings.h>
|
|
|
+#include "../../parser/hf.h"
|
|
|
+#include "../../parser/keys.h"
|
|
|
+
|
|
|
+#define F_OPTION_TAG_PATH (1 << 0)
|
|
|
+#define F_OPTION_TAG_100REL (1 << 1)
|
|
|
+#define F_OPTION_TAG_TIMER (1 << 2)
|
|
|
+#define F_OPTION_TAG_EVENTLIST (1 << 3)
|
|
|
+#define F_OPTION_TAG_GRUU (1 << 4)
|
|
|
+#define F_OPTION_TAG_OUTBOUND (1 << 5)
|
|
|
+
|
|
|
+#define OPTION_TAG_PATH_STR "path"
|
|
|
+#define OPTION_TAG_PATH_LEN (sizeof(OPTION_TAG_PATH_STR)-1)
|
|
|
+
|
|
|
+/* RFC 3262 (PRACK) */
|
|
|
+#define OPTION_TAG_100REL_STR "100rel"
|
|
|
+#define OPTION_TAG_100REL_LEN (sizeof(OPTION_TAG_100REL_STR)-1)
|
|
|
+
|
|
|
+/* RFC 4028 */
|
|
|
+#define OPTION_TAG_TIMER_STR "timer"
|
|
|
+#define OPTION_TAG_TIMER_LEN (sizeof(OPTION_TAG_TIMER_STR)-1)
|
|
|
+
|
|
|
+/* RFC 4662 (RLS) */
|
|
|
+#define OPTION_TAG_EVENTLIST_STR "eventlist"
|
|
|
+#define OPTION_TAG_EVENTLIST_LEN (sizeof(OPTION_TAG_EVENTLIST_STR)-1)
|
|
|
+
|
|
|
+/* RFC 5627 */
|
|
|
+#define OPTION_TAG_GRUU_STR "gruu"
|
|
|
+#define OPTION_TAG_GRUU_LEN (sizeof(OPTION_TAG_GRUU_STR)-1)
|
|
|
+
|
|
|
+/* RFC 5626 */
|
|
|
+#define OPTION_TAG_OUTBOUND_STR "outbound"
|
|
|
+#define OPTION_TAG_OUTBOUND_LEN (sizeof(OPTION_TAG_OUTBOUND_STR)-1)
|
|
|
+
|
|
|
+
|
|
|
+struct option_tag_body {
|
|
|
+ hf_parsed_free_f hfree; /* function to free the content */
|
|
|
+ unsigned int option_tags; /* option-tag mask for the current hdr */
|
|
|
+ unsigned int option_tags_all; /* option-tag mask for the all hdr
|
|
|
+ * - it's set only for the first hdr in
|
|
|
+ * sibling list*/
|
|
|
+};
|
|
|
+
|
|
|
+
|
|
|
+#define IS_DELIM(c) (*(c) == ' ' || *(c) == '\t' || *(c) == '\r' || *(c) == '\n' || *(c) == ',')
|
|
|
+
|
|
|
+/* from parser/parse_hname2.c: */
|
|
|
+#define LOWER_BYTE(b) ((b) | 0x20)
|
|
|
+#define LOWER_DWORD(d) ((d) | 0x20202020)
|
|
|
+#define READ(val) \
|
|
|
+ (*(val + 0) + (*(val + 1) << 8) + (*(val + 2) << 16) + (*(val + 3) << 24))
|
|
|
+
|
|
|
+/*!
|
|
|
+ * Parse HF body containing option-tags.
|
|
|
+ */
|
|
|
+static inline int parse_option_tag_body(str *body, unsigned int *tags)
|
|
|
+{
|
|
|
+ register char* p;
|
|
|
+ register unsigned int val;
|
|
|
+ int len, pos = 0;
|
|
|
+
|
|
|
+ *tags = 0;
|
|
|
+
|
|
|
+ p = body->s;
|
|
|
+ len = body->len;
|
|
|
+
|
|
|
+ while (pos < len) {
|
|
|
+ /* skip spaces and commas */
|
|
|
+ for (; pos < len && IS_DELIM(p); ++pos, ++p);
|
|
|
+
|
|
|
+ val = LOWER_DWORD(READ(p));
|
|
|
+ switch (val) {
|
|
|
+
|
|
|
+ /* "path" */
|
|
|
+ case _path_:
|
|
|
+ if(pos + 4 <= len && IS_DELIM(p+4)) {
|
|
|
+ *tags |= F_OPTION_TAG_PATH;
|
|
|
+ pos += 5; p += 5;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* "100rel" */
|
|
|
+ case _100r_:
|
|
|
+ if ( pos+6 <= len
|
|
|
+ && LOWER_BYTE(*(p+4))=='e' && LOWER_BYTE(*(p+5))=='l'
|
|
|
+ && IS_DELIM(p+6)) {
|
|
|
+ *tags |= F_OPTION_TAG_100REL;
|
|
|
+ pos += OPTION_TAG_100REL_LEN + 1;
|
|
|
+ p += OPTION_TAG_100REL_LEN + 1;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* "timer" */
|
|
|
+ case _time_:
|
|
|
+ if ( pos+5 <= len && LOWER_BYTE(*(p+4))=='r'
|
|
|
+ && IS_DELIM(p+5) ) {
|
|
|
+ *tags |= F_OPTION_TAG_TIMER;
|
|
|
+ pos += OPTION_TAG_TIMER_LEN + 1;
|
|
|
+ p += OPTION_TAG_TIMER_LEN + 1;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ /* extra require or unknown */
|
|
|
+ default:
|
|
|
+ if(pos+OPTION_TAG_EVENTLIST_LEN<=len
|
|
|
+ && strncasecmp(p, OPTION_TAG_EVENTLIST_STR,
|
|
|
+ OPTION_TAG_EVENTLIST_LEN)==0
|
|
|
+ && IS_DELIM(p+OPTION_TAG_EVENTLIST_LEN) ) {
|
|
|
+ *tags |= F_OPTION_TAG_EVENTLIST;
|
|
|
+ pos += OPTION_TAG_EVENTLIST_LEN + 1;
|
|
|
+ p += OPTION_TAG_EVENTLIST_LEN + 1;
|
|
|
+ } else if(pos+OPTION_TAG_GRUU_LEN<=len
|
|
|
+ && strncasecmp(p, OPTION_TAG_GRUU_STR,
|
|
|
+ OPTION_TAG_GRUU_LEN)==0
|
|
|
+ && IS_DELIM(p+OPTION_TAG_GRUU_LEN)) {
|
|
|
+ *tags |= F_OPTION_TAG_GRUU;
|
|
|
+ pos += OPTION_TAG_GRUU_LEN + 1;
|
|
|
+ p += OPTION_TAG_GRUU_LEN + 1;
|
|
|
+ } else if(pos+OPTION_TAG_OUTBOUND_LEN<=len
|
|
|
+ && strncasecmp(p, OPTION_TAG_OUTBOUND_STR,
|
|
|
+ OPTION_TAG_OUTBOUND_LEN)==0
|
|
|
+ && IS_DELIM(p+OPTION_TAG_OUTBOUND_LEN)) {
|
|
|
+ *tags |= F_OPTION_TAG_OUTBOUND;
|
|
|
+ pos += OPTION_TAG_OUTBOUND_LEN + 1;
|
|
|
+ p += OPTION_TAG_OUTBOUND_LEN + 1;
|
|
|
+ } else {
|
|
|
+ /* skip element */
|
|
|
+ for (; pos < len && !IS_DELIM(p); ++pos, ++p);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+void hf_free_option_tag(void *parsed);
|
|
|
+
|
|
|
+#endif /* OPTION_TAGS_H */
|
Peter Dunkley