FreeCalypso > hg > themwi-system-sw

annotate libsip/resp_ident.c @ 147:94b5831c017f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
sip-manual-out code: split bye_in.c from uas.c
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 08 Oct 2022 23:01:32 -0800
parents ff5e96162430
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
93
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * In this module we implement an essential step in the process
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * of handling incoming SIP response messages: extracting Call-ID
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * and CSeq headers and preparsing the latter, providing key info
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * for matching these incoming responses with call state and
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * with outstanding UAC requests.
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 */
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <ctype.h>
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <string.h>
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <strings.h>
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include <stdio.h>
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 #include <stdlib.h>
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 #include "parse.h"
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #include "resp_ident.h"
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 extern char *get_single_header();
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 sip_resp_extract_ident(msg, id)
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 struct sip_pkt_rx *msg;
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 struct sip_resp_ident *id;
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 {
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 char *hval, *cp;
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 int dup_flag = 0;
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 hval = get_single_header(msg, "Call-ID", "i", &dup_flag);
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 if (!hval || dup_flag) {
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 id->error_field = "Call-ID";
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 return(-1);
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 }
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 id->call_id = hval;
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 hval = get_single_header(msg, "CSeq", (char *) 0, &dup_flag);
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 if (!hval || dup_flag) {
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 bad_cseq: id->error_field = "CSeq";
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 return(-1);
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 }
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 if (!isdigit(*hval))
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 goto bad_cseq;
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 id->cseq_num = strtoul(hval, &cp, 10);
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 if (!isspace(*cp))
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 goto bad_cseq;
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 while (isspace(*cp))
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 cp++;
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 if (!isupper(*cp))
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 goto bad_cseq;
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 id->cseq_method = cp;
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 while (isalnum(*cp))
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 cp++;
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 if (*cp)
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 goto bad_cseq;
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 return(0);
ff5e96162430 libsip: new function for extracting Call-ID and CSeq from responses
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 }