FreeCalypso > hg > themwi-system-sw

annotate sip-in/bye_out.c @ 90:736c2d68595f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
sip-in/readconf.c: second step toward non-trivial settings
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 23 Sep 2022 18:53:35 -0800
parents ff4b76a107a1
children a9137bdb6047
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
81
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * In this module we implement our UAC functionality of sending BYE.
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 */
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 #include <sys/types.h>
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <sys/socket.h>
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <netinet/in.h>
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <arpa/inet.h>
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <stdio.h>
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <stdint.h>
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <stdlib.h>
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include <string.h>
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 #include <strings.h>
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 #include <syslog.h>
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #include "../libsip/parse.h"
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #include "../libsip/out_msg.h"
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 #include "call.h"
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
82
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
19 extern char *get_single_header();
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
20 extern struct call *find_call_by_sip_id();
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
21
81
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 extern struct in_addr sip_bind_ip;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 extern unsigned sip_bind_port;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 fill_bye_out_msg(msg, call)
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 struct sip_msg_out *msg;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 struct call *call;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 {
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 char strbuf[80];
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 int rc;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 rc = start_request_out_msg_urilen(msg, "BYE", call->from_uri,
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 call->from_uri_len);
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 if (rc < 0)
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 return rc;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 sprintf(strbuf, "SIP/2.0/UDP %s:%u",
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 inet_ntoa(sip_bind_ip), sip_bind_port);
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 rc = out_msg_add_header(msg, "Via", strbuf);
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 if (rc < 0)
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 return rc;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 rc = out_msg_add_header(msg, "From", call->invite_to);
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 if (rc < 0)
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 return rc;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 rc = out_msg_add_header(msg, "To", call->invite_from);
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 if (rc < 0)
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 return rc;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 rc = out_msg_add_header(msg, "Call-ID", call->sip_call_id);
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 if (rc < 0)
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 return rc;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 rc = out_msg_add_header(msg, "CSeq", "1 BYE");
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 if (rc < 0)
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 return rc;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 rc = out_msg_add_header(msg, "Max-Forwards", "70");
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 if (rc < 0)
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 return rc;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 out_msg_finish(msg);
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 return 0;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 }
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 void
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 initiate_bye(call)
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 struct call *call;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 {
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 struct sip_msg_out msg;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 int rc;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 rc = fill_bye_out_msg(&msg, call);
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 if (rc < 0) {
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 syslog(LOG_ERR, "outgoing BYE request msg length exceeded");
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 call->sip_state = SIP_STATE_MSG_SIZE_ERR;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 /* TODO: transition from TEARDOWN to DEAD_SIP */
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 return;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 }
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 sip_tx_packet(&msg, &call->udp_sin);
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 call->sip_state = SIP_STATE_BYE_SENT;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 call->sip_tx_count = 1;
915f0f397fb6 sip-in: beginning of outgoing BYE support
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 }
82
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
78
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
79 void
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
80 process_sip_response(msg, sin)
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
81 struct sip_pkt_rx *msg;
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
82 struct sockaddr_in *sin;
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
83 {
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
84 char *call_id_hdr, *cseq_hdr;
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
85 struct call *call;
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
86
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
87 call_id_hdr = get_single_header(msg, "Call-ID", "i", (int *) 0);
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
88 if (!call_id_hdr)
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
89 return;
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
90 call = find_call_by_sip_id(call_id_hdr);
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
91 if (!call)
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
92 return;
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
93 cseq_hdr = get_single_header(msg, "CSeq", (char *) 0, (int *) 0);
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
94 if (!cseq_hdr)
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
95 return;
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
96 if (strcmp(cseq_hdr, "1 BYE")) {
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
97 syslog(LOG_ERR,
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
98 "UAC received response with unknown CSeq %.32s",
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
99 cseq_hdr);
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
100 return;
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
101 }
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
102 if (msg->status_code < 200)
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
103 return;
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
104 if (call->sip_state == SIP_STATE_BYE_SENT)
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
105 call->sip_state = SIP_STATE_ENDED;
ff4b76a107a1 sip-in: process responses as UAC for BYE
Mychaela Falconia <falcon@freecalypso.org>
parents: 81
diff changeset
106 }