libgaim/protocols/simple/sipmsg.c

changeset 14254
77edc7a6191a
parent 14253
b63ebf84c42b
child 20470
77693555855f
equal deleted inserted replaced
14253:b63ebf84c42b 14254:77edc7a6191a
1 /**
2 * @file sipmsg.c
3 *
4 * gaim
5 *
6 * Copyright (C) 2005 Thomas Butter <butter@uni-mannheim.de>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23 #include "internal.h"
24
25 #include "accountopt.h"
26 #include "blist.h"
27 #include "conversation.h"
28 #include "debug.h"
29 #include "notify.h"
30 #include "prpl.h"
31 #include "plugin.h"
32 #include "util.h"
33 #include "version.h"
34
35 #include "simple.h"
36 #include "sipmsg.h"
37
38 struct sipmsg *sipmsg_parse_msg(const gchar *msg) {
39 const char *tmp = strstr(msg, "\r\n\r\n");
40 char *line;
41 struct sipmsg *smsg;
42
43 if(!tmp) return NULL;
44
45 line = g_strndup(msg, tmp - msg);
46
47 smsg = sipmsg_parse_header(line);
48 smsg->body = g_strdup(tmp + 4);
49
50 g_free(line);
51 return smsg;
52 }
53
54 struct sipmsg *sipmsg_parse_header(const gchar *header) {
55 struct sipmsg *msg = g_new0(struct sipmsg,1);
56 gchar **lines = g_strsplit(header,"\r\n",0);
57 gchar **parts;
58 gchar *dummy;
59 gchar *dummy2;
60 gchar *tmp;
61 int i=1;
62 if(!lines[0]) return NULL;
63 parts = g_strsplit(lines[0], " ", 3);
64 if(!parts[0] || !parts[1] || !parts[2]) {
65 g_strfreev(parts);
66 g_strfreev(lines);
67 g_free(msg);
68 return NULL;
69 }
70 if(strstr(parts[0],"SIP")) { /* numeric response */
71 msg->method = g_strdup(parts[2]);
72 msg->response = strtol(parts[1],NULL,10);
73 } else { /* request */
74 msg->method = g_strdup(parts[0]);
75 msg->target = g_strdup(parts[1]);
76 msg->response = 0;
77 }
78 g_strfreev(parts);
79 for(i=1; lines[i] && strlen(lines[i])>2; i++) {
80 parts = g_strsplit(lines[i], ":", 2);
81 if(!parts[0] || !parts[1]) {
82 g_strfreev(parts);
83 g_strfreev(lines);
84 g_free(msg);
85 return NULL;
86 }
87 dummy = parts[1];
88 dummy2 = 0;
89 while(*dummy==' ' || *dummy=='\t') dummy++;
90 dummy2 = g_strdup(dummy);
91 while(lines[i+1] && (lines[i+1][0]==' ' || lines[i+1][0]=='\t')) {
92 i++;
93 dummy = lines[i];
94 while(*dummy==' ' || *dummy=='\t') dummy++;
95 tmp = g_strdup_printf("%s %s",dummy2, dummy);
96 g_free(dummy2);
97 dummy2 = tmp;
98 }
99 sipmsg_add_header(msg, parts[0], dummy2);
100 g_strfreev(parts);
101 }
102 g_strfreev(lines);
103 msg->bodylen = strtol(sipmsg_find_header(msg, "Content-Length"),NULL,10);
104 if(msg->response) {
105 tmp = sipmsg_find_header(msg, "CSeq");
106 if(!tmp) {
107 /* SHOULD NOT HAPPEN */
108 msg->method = 0;
109 } else {
110 parts = g_strsplit(tmp, " ", 2);
111 msg->method = g_strdup(parts[1]);
112 g_strfreev(parts);
113 }
114 }
115 return msg;
116 }
117
118 void sipmsg_print(const struct sipmsg *msg) {
119 GSList *cur;
120 struct siphdrelement *elem;
121 gaim_debug(GAIM_DEBUG_MISC, "simple", "SIP MSG\n");
122 gaim_debug(GAIM_DEBUG_MISC, "simple", "response: %d\nmethod: %s\nbodylen: %d\n",msg->response,msg->method,msg->bodylen);
123 if(msg->target) gaim_debug(GAIM_DEBUG_MISC, "simple", "target: %s\n",msg->target);
124 cur = msg->headers;
125 while(cur) {
126 elem = cur->data;
127 gaim_debug(GAIM_DEBUG_MISC, "simple", "name: %s value: %s\n",elem->name, elem->value);
128 cur = g_slist_next(cur);
129 }
130 }
131
132 char *sipmsg_to_string(const struct sipmsg *msg) {
133 GSList *cur;
134 GString *outstr = g_string_new("");
135 struct siphdrelement *elem;
136
137 if(msg->response)
138 g_string_append_printf(outstr, "SIP/2.0 %d Unknown\r\n",
139 msg->response);
140 else
141 g_string_append_printf(outstr, "%s %s SIP/2.0\r\n",
142 msg->method, msg->target);
143
144 cur = msg->headers;
145 while(cur) {
146 elem = cur->data;
147 g_string_append_printf(outstr, "%s: %s\r\n", elem->name,
148 elem->value);
149 cur = g_slist_next(cur);
150 }
151
152 g_string_append_printf(outstr, "\r\n%s", msg->bodylen ? msg->body : "");
153
154 return g_string_free(outstr, FALSE);
155 }
156 void sipmsg_add_header(struct sipmsg *msg, const gchar *name, const gchar *value) {
157 struct siphdrelement *element = g_new0(struct siphdrelement,1);
158 element->name = g_strdup(name);
159 element->value = g_strdup(value);
160 msg->headers = g_slist_append(msg->headers, element);
161 }
162
163 void sipmsg_free(struct sipmsg *msg) {
164 struct siphdrelement *elem;
165 while(msg->headers) {
166 elem = msg->headers->data;
167 msg->headers = g_slist_remove(msg->headers,elem);
168 g_free(elem->name);
169 g_free(elem->value);
170 g_free(elem);
171 }
172 g_free(msg->method);
173 g_free(msg->target);
174 g_free(msg->body);
175 g_free(msg);
176 }
177
178 void sipmsg_remove_header(struct sipmsg *msg, const gchar *name) {
179 struct siphdrelement *elem;
180 GSList *tmp = msg->headers;
181 while(tmp) {
182 elem = tmp->data;
183 if(strcmp(elem->name, name)==0) {
184 msg->headers = g_slist_remove(msg->headers, elem);
185 g_free(elem->name);
186 g_free(elem->value);
187 g_free(elem);
188 return;
189 }
190 tmp = g_slist_next(tmp);
191 }
192 return;
193 }
194
195 gchar *sipmsg_find_header(struct sipmsg *msg, const gchar *name) {
196 GSList *tmp;
197 struct siphdrelement *elem;
198 tmp = msg->headers;
199 while(tmp) {
200 elem = tmp->data;
201 if(strcmp(elem->name,name)==0) {
202 return elem->value;
203 }
204 tmp = g_slist_next(tmp);
205 }
206 return NULL;
207 }
208

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