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