1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
1 /* |
1303
|
2 * otr.c -- Off-The-Record Messaging for mcabber |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
3 * |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
4 * Copyright (C) 2007 Frank Zschockelt <mcabber_otr@freakysoft.de> |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
5 * |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
6 * This program is free software; you can redistribute it and/or modify |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
7 * it under the terms of the GNU General Public License as published by |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
8 * the Free Software Foundation; either version 2 of the License, or (at |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
9 * your option) any later version. |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
10 * |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
11 * This program is distributed in the hope that it will be useful, but |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
12 * WITHOUT ANY WARRANTY; without even the implied warranty of |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
14 * General Public License for more details. |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
15 * |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
16 * You should have received a copy of the GNU General Public License |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
17 * along with this program; if not, write to the Free Software |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
19 * USA |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
20 */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
21 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
22 #include <config.h> |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
23 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
24 #ifdef HAVE_LIBOTR |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
25 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
26 #include "otr.h" |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
27 #include "logprint.h" |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
28 #include "hbuf.h" |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
29 #include "jab_priv.h" |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
30 #include "roster.h" |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
31 #include "utils.h" |
1301
|
32 #include "screen.h" |
|
33 #include "settings.h" |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
34 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
35 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
36 static OtrlUserState userstate = NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
37 static char * account = NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
38 static char * keyfile = NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
39 static char * fprfile = NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
40 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
41 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
42 static OtrlPolicy cb_policy (void *opdata, ConnContext *ctx); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
43 static void cb_create_privkey (void *opdata, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
44 const char *accountname, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
45 const char *protocol); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
46 static int cb_is_logged_in (void *opdata, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
47 const char *accountname, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
48 const char *protocol, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
49 const char *recipient); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
50 static void cb_inject_message (void *opdata, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
51 const char *accountname, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
52 const char *protocol, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
53 const char *recipient, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
54 const char *message); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
55 static void cb_notify (void *opdata, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
56 OtrlNotifyLevel level, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
57 const char *accountname, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
58 const char *protocol, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
59 const char *username, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
60 const char *title, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
61 const char *primary, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
62 const char *secondary); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
63 static int cb_display_otr_message(void *opdata, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
64 const char *accountname, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
65 const char *protocol, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
66 const char *username, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
67 const char *msg); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
68 static void cb_update_context_list(void *opdata); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
69 static const char *cb_protocol_name (void *opdata, const char *protocol); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
70 static void cb_protocol_name_free (void *opdata, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
71 const char *protocol_name); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
72 static void cb_new_fingerprint (void *opdata, OtrlUserState us, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
73 const char *accountname, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
74 const char *protocol, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
75 const char *username, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
76 unsigned char fingerprint[20]); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
77 static void cb_write_fingerprints (void *opdata); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
78 static void cb_gone_secure (void *opdata, ConnContext *context); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
79 static void cb_gone_insecure (void *opdata, ConnContext *context); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
80 static void cb_still_secure (void *opdata, ConnContext *context, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
81 int is_reply); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
82 static void cb_log_message (void *opdata, const char *message); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
83 static int cb_max_message_size (void *opdata, ConnContext *context); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
84 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
85 static OtrlMessageAppOps ops = |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
86 { |
1301
|
87 cb_policy, |
|
88 cb_create_privkey, |
|
89 cb_is_logged_in, |
|
90 cb_inject_message, |
|
91 cb_notify, |
|
92 cb_display_otr_message, |
|
93 cb_update_context_list, |
|
94 cb_protocol_name, |
|
95 cb_protocol_name_free, |
|
96 cb_new_fingerprint, |
|
97 cb_write_fingerprints, |
|
98 cb_gone_secure, |
|
99 cb_gone_insecure, |
|
100 cb_still_secure, |
|
101 cb_log_message, |
|
102 cb_max_message_size, |
|
103 NULL, /*account_name*/ |
|
104 NULL /*account_name_free*/ |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
105 }; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
106 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
107 static void otr_message_disconnect(ConnContext *ctx); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
108 static ConnContext * otr_get_context(const char *buddy); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
109 static void otr_startstop(const char * buddy, int start); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
110 static void otr_handle_smp_tlvs(OtrlTLV * tlvs, ConnContext * ctx); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
111 |
1320
|
112 static char * otr_get_dir(void); |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
113 |
1301
|
114 void otr_init(const char *jid) |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
115 { |
1320
|
116 char * root = otr_get_dir(); |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
117 account = jidtodisp(jid); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
118 keyfile = g_strdup_printf("%s%s.key", root, account); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
119 fprfile = g_strdup_printf("%s%s.fpr", root, account); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
120 g_free(root); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
121 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
122 OTRL_INIT; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
123 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
124 userstate = otrl_userstate_create (); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
125 if (otrl_privkey_read(userstate, keyfile)){ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
126 scr_LogPrint(LPRINT_LOGNORM, "Could not read OTR key from %s", keyfile); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
127 cb_create_privkey(NULL, account, "jabber"); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
128 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
129 if (otrl_privkey_read_fingerprints(userstate, fprfile, NULL, NULL)){ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
130 scr_LogPrint(LPRINT_LOGNORM, "Could not read OTR fingerprints from %s", |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
131 fprfile); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
132 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
133 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
134 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
135 void otr_terminate(void) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
136 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
137 ConnContext * ctx; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
138 |
1320
|
139 for (ctx = userstate->context_root; ctx; ctx = ctx->next) |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
140 if (ctx->msgstate == OTRL_MSGSTATE_ENCRYPTED) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
141 otr_message_disconnect(ctx); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
142 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
143 g_free(account); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
144 account = NULL; |
1307
|
145 |
|
146 /* XXX This #ifdef is a quick workaround: when mcabber |
|
147 * is linked to both gnutls and libotr, libgcrypt will |
|
148 * segfault when we call otrl_userstate_free(). |
|
149 * This is reported to be a bug in libgcrypt :-/ |
|
150 * Mikael |
|
151 */ |
|
152 #if defined(HAVE_GNUTLS) && !defined(HAVE_OPENSSL) |
|
153 if (!settings_opt_get_int("ssl")) |
|
154 #endif |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
155 otrl_userstate_free(userstate); |
1307
|
156 |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
157 userstate = NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
158 g_free(keyfile); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
159 keyfile = NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
160 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
161 |
1320
|
162 static char * otr_get_dir(void) |
|
163 { |
|
164 char * configured_dir = (char *)settings_opt_get("otr_dir"); |
|
165 |
|
166 if (configured_dir) |
|
167 return expand_filename(configured_dir); |
|
168 else |
|
169 return expand_filename("~/.mcabber/otr/"); |
|
170 } |
|
171 |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
172 static ConnContext * otr_get_context(const char *buddy) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
173 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
174 int null = 0; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
175 return otrl_context_find(userstate, buddy, account, "jabber", 1, &null, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
176 NULL, NULL); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
177 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
178 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
179 static void otr_message_disconnect(ConnContext *ctx) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
180 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
181 if (ctx->msgstate == OTRL_MSGSTATE_ENCRYPTED) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
182 cb_gone_insecure(NULL, ctx); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
183 otrl_message_disconnect(userstate, &ops, NULL, ctx->accountname, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
184 ctx->protocol, ctx->username); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
185 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
186 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
187 static void otr_startstop(const char * buddy, int start) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
188 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
189 char * msg = NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
190 ConnContext *ctx = otr_get_context(buddy); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
191 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
192 if (!userstate || !ctx) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
193 return; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
194 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
195 if (start && ctx->msgstate == OTRL_MSGSTATE_ENCRYPTED) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
196 otr_message_disconnect(ctx); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
197 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
198 if (start) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
199 OtrlPolicy policy = cb_policy(NULL, ctx); |
1308
|
200 if (policy == plain) { |
|
201 scr_LogPrint(LPRINT_LOGNORM, "The OTR policy for this user is set to" |
|
202 " plain. You have to change it first."); |
|
203 return; |
|
204 } |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
205 msg = otrl_proto_default_query_msg(ctx->accountname, policy); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
206 cb_inject_message(NULL, ctx->accountname, ctx->protocol, ctx->username, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
207 msg); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
208 free (msg); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
209 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
210 else |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
211 otr_message_disconnect(ctx); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
212 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
213 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
214 void otr_establish(const char *buddy) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
215 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
216 otr_startstop(buddy, 1); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
217 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
218 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
219 void otr_disconnect(const char * buddy) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
220 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
221 otr_startstop(buddy, 0); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
222 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
223 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
224 void otr_fingerprint(const char * buddy, const char * trust) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
225 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
226 char fpr[45], *tr; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
227 ConnContext *ctx = otr_get_context(buddy); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
228 if (!userstate || !ctx) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
229 return; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
230 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
231 if (!ctx->active_fingerprint || !ctx->active_fingerprint->fingerprint) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
232 scr_LogPrint(LPRINT_LOGNORM, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
233 "No active fingerprint - start OTR for this buddy first."); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
234 return; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
235 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
236 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
237 otrl_privkey_hash_to_human(fpr, ctx->active_fingerprint->fingerprint); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
238 if (trust) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
239 if (strcmp(fpr, trust) == 0) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
240 otrl_context_set_trust(ctx->active_fingerprint, "trust"); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
241 else |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
242 otrl_context_set_trust(ctx->active_fingerprint, NULL); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
243 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
244 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
245 tr = ctx->active_fingerprint->trust; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
246 scr_LogPrint(LPRINT_LOGNORM, "%s [%44s]: %s", ctx->username, fpr, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
247 tr && *tr ? "trusted" : "untrusted"); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
248 cb_write_fingerprints(NULL); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
249 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
250 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
251 static void otr_handle_smp_tlvs(OtrlTLV * tlvs, ConnContext * ctx) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
252 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
253 OtrlTLV *tlv = NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
254 char *sbuf = NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
255 NextExpectedSMP nextMsg = ctx->smstate->nextExpected; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
256 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
257 tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP1); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
258 if (tlv) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
259 if (nextMsg != OTRL_SMP_EXPECT1) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
260 otr_smp_abort(ctx->username); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
261 else { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
262 sbuf = g_strdup_printf("OTR: Received SMP Initiation. " |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
263 "Answer with /otr smpr %s $secret", |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
264 ctx->username); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
265 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
266 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
267 tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP2); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
268 if (tlv) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
269 if (nextMsg != OTRL_SMP_EXPECT2) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
270 otr_smp_abort(ctx->username); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
271 else { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
272 sbuf = g_strdup("OTR: Received SMP Response."); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
273 /* If we received TLV2, we will send TLV3 and expect TLV4 */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
274 ctx->smstate->nextExpected = OTRL_SMP_EXPECT4; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
275 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
276 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
277 tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP3); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
278 if (tlv) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
279 if (nextMsg != OTRL_SMP_EXPECT3) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
280 otr_smp_abort(ctx->username); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
281 else { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
282 /* If we received TLV3, we will send TLV4 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
283 * We will not expect more messages, so prepare for next SMP */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
284 ctx->smstate->nextExpected = OTRL_SMP_EXPECT1; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
285 /* Report result to user */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
286 if (ctx->active_fingerprint && ctx->active_fingerprint->trust && |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
287 *ctx->active_fingerprint->trust != '\0') |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
288 sbuf = g_strdup("OTR: SMP succeeded"); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
289 else |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
290 sbuf = g_strdup("OTR: SMP failed"); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
291 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
292 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
293 tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP4); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
294 if (tlv) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
295 if (nextMsg != OTRL_SMP_EXPECT4) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
296 otr_smp_abort(ctx->username); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
297 else { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
298 /* We will not expect more messages, so prepare for next SMP */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
299 ctx->smstate->nextExpected = OTRL_SMP_EXPECT1; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
300 /* Report result to user */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
301 if (ctx->active_fingerprint && ctx->active_fingerprint->trust && |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
302 *ctx->active_fingerprint->trust != '\0') |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
303 sbuf = g_strdup("OTR: SMP succeeded"); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
304 else |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
305 sbuf = g_strdup("OTR: SMP failed"); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
306 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
307 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
308 tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP_ABORT); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
309 if (tlv) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
310 /* The message we are waiting for will not arrive, so reset |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
311 * and prepare for the next SMP */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
312 sbuf = g_strdup("OTR: SMP aborted by your buddy"); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
313 ctx->smstate->nextExpected = OTRL_SMP_EXPECT1; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
314 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
315 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
316 if (sbuf) { |
1301
|
317 scr_WriteIncomingMessage(ctx->username, sbuf, 0, HBB_PREFIX_INFO, 0); |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
318 g_free(sbuf); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
319 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
320 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
321 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
322 /* |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
323 * returns whether a otr_message was received |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
324 * sets *otr_data to NULL, when it was an internal otr message |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
325 */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
326 int otr_receive(char **otr_data, const char * buddy, int * free_msg) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
327 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
328 int ignore_message; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
329 char *newmessage = NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
330 OtrlTLV *tlvs = NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
331 OtrlTLV *tlv = NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
332 ConnContext * ctx; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
333 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
334 *free_msg = 0; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
335 ignore_message = otrl_message_receiving(userstate, &ops, NULL, account, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
336 "jabber", buddy, *otr_data, &newmessage, &tlvs, NULL, NULL); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
337 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
338 ctx = otr_get_context(buddy); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
339 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
340 tlv = otrl_tlv_find(tlvs, OTRL_TLV_DISCONNECTED); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
341 if (tlv) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
342 /* Notify the user that the other side disconnected. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
343 if (ctx) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
344 cb_gone_insecure(NULL, ctx); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
345 otr_disconnect(buddy); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
346 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
347 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
348 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
349 otr_handle_smp_tlvs(tlvs, ctx); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
350 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
351 if (tlvs != NULL) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
352 otrl_tlv_free(tlvs); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
353 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
354 if (ignore_message) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
355 *otr_data = NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
356 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
357 if (!ignore_message && newmessage) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
358 *free_msg = 1; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
359 *otr_data = g_strdup(newmessage); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
360 otrl_message_free(newmessage); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
361 if (ctx->msgstate == OTRL_MSGSTATE_ENCRYPTED) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
362 return 1; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
363 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
364 return 0; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
365 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
366 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
367 int otr_send(char **msg, const char *buddy) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
368 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
369 gcry_error_t err; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
370 char *newmessage = NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
371 ConnContext * ctx = otr_get_context(buddy); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
372 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
373 err = otrl_message_sending(userstate, &ops, NULL, account, "jabber", buddy, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
374 *msg, NULL, &newmessage, NULL, NULL); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
375 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
376 if (err) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
377 *msg = NULL; /*something went wrong, don't send the plain-message! */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
378 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
379 if (!err && newmessage) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
380 *msg = g_strdup(newmessage); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
381 otrl_message_free(newmessage); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
382 if (cb_policy(NULL, ctx) & OTRL_POLICY_REQUIRE_ENCRYPTION || |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
383 ctx->msgstate == OTRL_MSGSTATE_ENCRYPTED) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
384 return 1; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
385 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
386 return 0; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
387 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
388 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
389 /* Prints OTR connection state */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
390 void otr_print_info(const char * buddy) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
391 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
392 const char *state, *auth, *policy; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
393 ConnContext * ctx = otr_get_context(buddy); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
394 OtrlPolicy p = cb_policy (ctx->app_data, ctx); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
395 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
396 if (!userstate || !ctx) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
397 return; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
398 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
399 switch (ctx->msgstate) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
400 case OTRL_MSGSTATE_PLAINTEXT: state = "plaintext"; break; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
401 case OTRL_MSGSTATE_ENCRYPTED: |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
402 switch (ctx->protocol_version) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
403 case 1: state = "encrypted V1"; break; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
404 case 2: state = "encrypted V2"; break; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
405 default:state = "encrypted"; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
406 }; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
407 break; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
408 case OTRL_MSGSTATE_FINISHED: state = "finished"; break; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
409 default: state = "unknown state"; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
410 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
411 switch (ctx->auth.authstate) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
412 case OTRL_AUTHSTATE_NONE: |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
413 switch (ctx->otr_offer) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
414 case OFFER_NOT: auth = "no offer sent"; break; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
415 case OFFER_SENT: auth = "offer sent"; break; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
416 case OFFER_ACCEPTED: auth = "offer accepted"; break; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
417 case OFFER_REJECTED: auth = "offer rejected"; break; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
418 default: auth = "unknown auth"; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
419 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
420 break; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
421 case OTRL_AUTHSTATE_AWAITING_DHKEY: |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
422 auth = "awaiting D-H key"; break; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
423 case OTRL_AUTHSTATE_AWAITING_REVEALSIG: |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
424 auth = "awaiting reveal signature"; break; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
425 case OTRL_AUTHSTATE_AWAITING_SIG: |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
426 auth = "awaiting signature"; break; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
427 case OTRL_AUTHSTATE_V1_SETUP: |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
428 auth = "v1 setup"; break; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
429 default: |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
430 auth = "unknown auth"; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
431 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
432 if (p == OTRL_POLICY_NEVER) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
433 policy = "plain"; |
1301
|
434 else if (p == (OTRL_POLICY_OPPORTUNISTIC & ~OTRL_POLICY_ALLOW_V1)) |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
435 policy = "opportunistic"; |
1301
|
436 else if (p == (OTRL_POLICY_MANUAL & ~OTRL_POLICY_ALLOW_V1)) |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
437 policy = "manual"; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
438 else if (p == (OTRL_POLICY_ALWAYS & ~OTRL_POLICY_ALLOW_V1)) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
439 policy = "always"; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
440 else |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
441 policy = "unknown"; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
442 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
443 scr_LogPrint(LPRINT_LOGNORM, "%s: %s (%s) [%s]", |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
444 ctx->username, state, auth, policy); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
445 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
446 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
447 static ConnContext * otr_context_encrypted(const char * buddy) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
448 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
449 ConnContext * ctx = otr_get_context(buddy); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
450 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
451 if (!userstate || !ctx || ctx->msgstate != OTRL_MSGSTATE_ENCRYPTED){ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
452 scr_LogPrint(LPRINT_LOGNORM, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
453 "You have to start an OTR channel with %s before you can " |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
454 "use SMP.", buddy); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
455 return NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
456 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
457 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
458 return ctx; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
459 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
460 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
461 void otr_smp_query(const char * buddy, const char * secret) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
462 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
463 ConnContext * ctx = otr_context_encrypted(buddy); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
464 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
465 if (!secret) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
466 scr_LogPrint(LPRINT_LOGNORM, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
467 "Using SMP without a secret isn't a good idea."); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
468 return; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
469 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
470 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
471 if (ctx) { |
1301
|
472 otrl_message_initiate_smp(userstate, &ops, NULL, ctx, |
|
473 (const unsigned char *)secret, |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
474 strlen(secret)); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
475 scr_WriteIncomingMessage(ctx->username, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
476 "OTR: Socialist Millionaires' Protocol " |
1301
|
477 "initiated.", 0, HBB_PREFIX_INFO, 0); |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
478 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
479 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
480 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
481 void otr_smp_respond(const char * buddy, const char * secret) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
482 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
483 ConnContext * ctx = otr_context_encrypted(buddy); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
484 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
485 if (!secret) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
486 scr_LogPrint(LPRINT_LOGNORM, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
487 "Using SMP without a secret isn't a good idea."); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
488 return; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
489 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
490 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
491 if (ctx) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
492 if (!ctx->smstate->secret) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
493 scr_LogPrint(LPRINT_LOGNORM, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
494 "Don't call smpr before you haven't received an SMP " |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
495 "Initiation!"); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
496 return; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
497 } |
1301
|
498 otrl_message_respond_smp(userstate, &ops, NULL, ctx, |
|
499 (const unsigned char *)secret, |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
500 strlen(secret)); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
501 scr_WriteIncomingMessage(ctx->username, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
502 "OTR: Socialist Millionaires' Protocol: " |
1301
|
503 "response sent", 0, HBB_PREFIX_INFO, 0); |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
504 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
505 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
506 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
507 void otr_smp_abort(const char * buddy) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
508 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
509 ConnContext * ctx = otr_context_encrypted(buddy); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
510 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
511 if (ctx) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
512 otrl_message_abort_smp(userstate, &ops, NULL, ctx); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
513 scr_WriteIncomingMessage(ctx->username, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
514 "OTR: Socialist Millionaires' Protocol aborted.", |
1301
|
515 0, HBB_PREFIX_INFO, 0); |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
516 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
517 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
518 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
519 void otr_key(void) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
520 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
521 OtrlPrivKey * key; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
522 char readable[45] = ""; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
523 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
524 if(!userstate) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
525 return; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
526 for (key = userstate->privkey_root; key; key = key->next) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
527 otrl_privkey_fingerprint(userstate, readable, key->accountname, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
528 key->protocol); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
529 scr_LogPrint(LPRINT_LOGNORM, "%s: %s", key->accountname, readable); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
530 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
531 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
532 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
533 /* Return the OTR policy for the given context. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
534 static OtrlPolicy cb_policy(void *opdata, ConnContext *ctx) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
535 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
536 enum otr_policy p = settings_otr_getpolicy(NULL); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
537 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
538 if(ctx) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
539 if(settings_otr_getpolicy(ctx->username)) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
540 p = settings_otr_getpolicy(ctx->username); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
541 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
542 switch (p) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
543 case plain: |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
544 return OTRL_POLICY_NEVER; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
545 case opportunistic: |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
546 return OTRL_POLICY_OPPORTUNISTIC & ~OTRL_POLICY_ALLOW_V1; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
547 case manual: |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
548 return OTRL_POLICY_MANUAL & ~OTRL_POLICY_ALLOW_V1; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
549 case always: |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
550 return OTRL_POLICY_ALWAYS & ~OTRL_POLICY_ALLOW_V1; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
551 } |
1301
|
552 |
|
553 return OTRL_POLICY_MANUAL & ~OTRL_POLICY_ALLOW_V1; |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
554 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
555 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
556 /* Create a private key for the given accountname/protocol if |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
557 * desired. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
558 static void cb_create_privkey(void *opdata, const char *accountname, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
559 const char *protocol) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
560 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
561 gcry_error_t e; |
1320
|
562 char * root; |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
563 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
564 scr_LogPrint(LPRINT_LOGNORM, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
565 "Generating new OTR key for %s. This may take a while...", |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
566 accountname); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
567 scr_DoUpdate(); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
568 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
569 e = otrl_privkey_generate(userstate, keyfile, accountname, protocol); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
570 |
1320
|
571 if (e) { |
|
572 root = otr_get_dir(); |
|
573 scr_LogPrint(LPRINT_LOGNORM, "OTR key generation failed! Please mkdir " |
|
574 "%s if you want to use otr encryption.", root); |
|
575 g_free(root); |
|
576 } |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
577 else |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
578 scr_LogPrint(LPRINT_LOGNORM, "OTR key generated."); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
579 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
580 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
581 /* Report whether you think the given user is online. Return 1 if |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
582 * you think he is, 0 if you think he isn't, -1 if you're not sure. |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
583 * If you return 1, messages such as heartbeats or other |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
584 * notifications may be sent to the user, which could result in "not |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
585 * logged in" errors if you're wrong. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
586 static int cb_is_logged_in(void *opdata, const char *accountname, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
587 const char *protocol, const char *recipient) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
588 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
589 int ret = (roster_getstatus((char *)recipient, NULL) != offline); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
590 return ret; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
591 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
592 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
593 /* Send the given IM to the given recipient from the given |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
594 * accountname/protocol. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
595 static void cb_inject_message(void *opdata, const char *accountname, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
596 const char *protocol, const char *recipient, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
597 const char *message) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
598 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
599 char * id = g_strdup("otrinject"); |
1306
|
600 jb_send_msg(recipient, message, ROSTER_TYPE_USER, "", id, NULL, NULL); |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
601 g_free(id); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
602 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
603 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
604 /* Display a notification message for a particular |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
605 * accountname / protocol / username conversation. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
606 static void cb_notify(void *opdata, OtrlNotifyLevel level, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
607 const char *accountname, const char *protocol, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
608 const char *username, const char *title, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
609 const char *primary, const char *secondary) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
610 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
611 char * type; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
612 char *sbuf = NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
613 switch (level) { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
614 case OTRL_NOTIFY_ERROR: type = "error"; break; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
615 case OTRL_NOTIFY_WARNING: type = "warning"; break; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
616 case OTRL_NOTIFY_INFO: type = "info"; break; |
1301
|
617 default: type = "unknown"; |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
618 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
619 sbuf = g_strdup_printf("OTR %s:%s\n%s\n%s",type,title, primary, secondary); |
1301
|
620 scr_WriteIncomingMessage(username, sbuf, 0, HBB_PREFIX_INFO, 0); |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
621 g_free(sbuf); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
622 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
623 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
624 /* Display an OTR control message for a particular |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
625 * accountname / protocol / username conversation. Return 0 if you are able |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
626 * to successfully display it. If you return non-0 (or if this |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
627 * function is NULL), the control message will be displayed inline, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
628 * as a received message, or else by using the above notify() |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
629 * callback. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
630 static int cb_display_otr_message(void *opdata, const char *accountname, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
631 const char *protocol, const char *username, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
632 const char *msg) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
633 { |
1301
|
634 scr_WriteIncomingMessage(username, msg, 0, HBB_PREFIX_INFO, 0); |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
635 return 0; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
636 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
637 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
638 /* When the list of ConnContexts changes (including a change in |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
639 * state), this is called so the UI can be updated. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
640 static void cb_update_context_list(void *opdata) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
641 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
642 /*maybe introduce new status characters for mcabber, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
643 * then use this function (?!)*/ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
644 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
645 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
646 /* Return a newly allocated string containing a human-friendly name |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
647 * for the given protocol id */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
648 static const char *cb_protocol_name(void *opdata, const char *protocol) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
649 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
650 return protocol; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
651 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
652 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
653 /* Deallocate a string allocated by protocol_name */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
654 static void cb_protocol_name_free (void *opdata, const char *protocol_name) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
655 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
656 /* We didn't allocated memory, so we don't have to free anything :p */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
657 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
658 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
659 /* A new fingerprint for the given user has been received. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
660 static void cb_new_fingerprint(void *opdata, OtrlUserState us, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
661 const char *accountname, const char *protocol, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
662 const char *username, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
663 unsigned char fingerprint[20]) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
664 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
665 char *sbuf = NULL; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
666 char readable[45]; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
667 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
668 otrl_privkey_hash_to_human(readable, fingerprint); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
669 sbuf = g_strdup_printf("OTR: new fingerprint: %s", readable); |
1301
|
670 scr_WriteIncomingMessage(username, sbuf, 0, HBB_PREFIX_INFO, 0); |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
671 g_free(sbuf); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
672 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
673 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
674 /* The list of known fingerprints has changed. Write them to disk. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
675 static void cb_write_fingerprints(void *opdata) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
676 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
677 otrl_privkey_write_fingerprints(userstate, fprfile); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
678 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
679 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
680 /* A ConnContext has entered a secure state. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
681 static void cb_gone_secure(void *opdata, ConnContext *context) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
682 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
683 scr_WriteIncomingMessage(context->username, "OTR: channel established", 0, |
1301
|
684 HBB_PREFIX_INFO, 0); |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
685 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
686 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
687 /* A ConnContext has left a secure state. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
688 static void cb_gone_insecure(void *opdata, ConnContext *context) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
689 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
690 scr_WriteIncomingMessage(context->username, "OTR: channel closed", 0, |
1301
|
691 HBB_PREFIX_INFO, 0); |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
692 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
693 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
694 /* We have completed an authentication, using the D-H keys we |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
695 * already knew. is_reply indicates whether we initiated the AKE. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
696 static void cb_still_secure(void *opdata, ConnContext *context, int is_reply) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
697 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
698 scr_WriteIncomingMessage(context->username, "OTR: channel reestablished", 0, |
1301
|
699 HBB_PREFIX_INFO, 0); |
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
700 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
701 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
702 /* Log a message. The passed message will end in "\n". */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
703 static void cb_log_message(void *opdata, const char *message) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
704 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
705 scr_LogPrint(LPRINT_DEBUG, "OTR: %s", message); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
706 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
707 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
708 /* Find the maximum message size supported by this protocol. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
709 static int cb_max_message_size(void *opdata, ConnContext *context) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
710 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
711 return 8192; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
712 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
713 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
714 #endif /* HAVE_LIBOTR */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
715 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |