FreeCalypso > hg > themwi-system-sw

annotate libsip/req_supp.c @ 219:9ba474e918c0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
smpp-test1: try sending some ID strings
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 01 Aug 2023 22:56:52 -0800
parents dec31b1a8b96
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
49
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * Here we parse Require and Supported headers in a SIP request,
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * checking whether our supported extensions are also supported
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * or required by the client, and catching any client requirements
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * which we don't support.
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 */
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <ctype.h>
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <string.h>
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <strings.h>
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include "parse.h"
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include "req_supp.h"
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 parse_require_supported(msg, lsupp, nlsupp, unsupp)
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 struct sip_pkt_rx *msg;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 struct supported_ext *lsupp;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 unsigned nlsupp;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 char **unsupp;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 {
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 struct sip_parse_hdr *hdr, *endhdr;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 char *cp, *np;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 unsigned n;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 endhdr = msg->hdr_fields + msg->num_hdr_fields;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 /* check Require first */
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 for (hdr = msg->hdr_fields; hdr < endhdr; hdr++) {
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 if (strcasecmp(hdr->field_name, "Require"))
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 continue;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 cp = hdr->field_value;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 for (;;) {
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 while (isspace(*cp) || *cp == ',')
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 cp++;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 if (!*cp)
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 break;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 np = cp;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 while (*cp && !isspace(*cp) && *cp != ',')
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 cp++;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 if (*cp)
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 *cp++ = '\0';
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 for (n = 0; n < nlsupp; n++) {
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 if (!strcasecmp(np, lsupp[n].name)) {
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 *lsupp[n].req_flag = 1;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 break;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 } else {
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 if (unsupp)
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 *unsupp = np;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 return(-1);
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 }
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 }
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 }
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 }
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 /* now check Supported */
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 for (hdr = msg->hdr_fields; hdr < endhdr; hdr++) {
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 if (strcasecmp(hdr->field_name, "Supported") &&
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 strcasecmp(hdr->field_name, "k"))
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 continue;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 cp = hdr->field_value;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 for (;;) {
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 while (isspace(*cp) || *cp == ',')
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 cp++;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 if (!*cp)
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 break;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 np = cp;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 while (*cp && !isspace(*cp) && *cp != ',')
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 cp++;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 if (*cp)
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 *cp++ = '\0';
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 for (n = 0; n < nlsupp; n++) {
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 if (!strcasecmp(np, lsupp[n].name)) {
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 *lsupp[n].sup_flag = 1;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 break;
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 }
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 }
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 }
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 }
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 return(0);
dec31b1a8b96 sip-in: check Require and Supported
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 }