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1 /*
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1303
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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 otrl_userstate_free(userstate);
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145 userstate = NULL;
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146 g_free(keyfile);
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147 keyfile = NULL;
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148 }
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149
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150 static ConnContext * otr_get_context(const char *buddy)
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151 {
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152 int null = 0;
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153 return otrl_context_find(userstate, buddy, account, "jabber", 1, &null,
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154 NULL, NULL);
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155 }
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156
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157 static void otr_message_disconnect(ConnContext *ctx)
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158 {
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159 if (ctx->msgstate == OTRL_MSGSTATE_ENCRYPTED)
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160 cb_gone_insecure(NULL, ctx);
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161 otrl_message_disconnect(userstate, &ops, NULL, ctx->accountname,
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162 ctx->protocol, ctx->username);
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163 }
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164
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165 static void otr_startstop(const char * buddy, int start)
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166 {
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167 char * msg = NULL;
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168 ConnContext *ctx = otr_get_context(buddy);
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169
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170 if (!userstate || !ctx)
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171 return;
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172
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173 if (start && ctx->msgstate == OTRL_MSGSTATE_ENCRYPTED)
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parents:
diff
changeset
|
174 otr_message_disconnect(ctx);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
175
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
176 if (start) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
177 OtrlPolicy policy = cb_policy(NULL, ctx);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
178 msg = otrl_proto_default_query_msg(ctx->accountname, policy);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
179 cb_inject_message(NULL, ctx->accountname, ctx->protocol, ctx->username,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
180 msg);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
181 free (msg);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
182 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
183 else
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
184 otr_message_disconnect(ctx);
|
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 void otr_establish(const char *buddy)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
188 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
189 otr_startstop(buddy, 1);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
190 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
191
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
192 void otr_disconnect(const char * buddy)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
193 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
194 otr_startstop(buddy, 0);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
195 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
196
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
197 void otr_fingerprint(const char * buddy, const char * trust)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
198 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
199 char fpr[45], *tr;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
200 ConnContext *ctx = otr_get_context(buddy);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
201 if (!userstate || !ctx)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
202 return;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
203
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
204 if (!ctx->active_fingerprint || !ctx->active_fingerprint->fingerprint) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
205 scr_LogPrint(LPRINT_LOGNORM,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
206 "No active fingerprint - start OTR for this buddy first.");
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
207 return;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
208 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
209
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
210 otrl_privkey_hash_to_human(fpr, ctx->active_fingerprint->fingerprint);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
211 if (trust) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
212 if (strcmp(fpr, trust) == 0)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
213 otrl_context_set_trust(ctx->active_fingerprint, "trust");
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
214 else
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
215 otrl_context_set_trust(ctx->active_fingerprint, NULL);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
216 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
217
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
218 tr = ctx->active_fingerprint->trust;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
219 scr_LogPrint(LPRINT_LOGNORM, "%s [%44s]: %s", ctx->username, fpr,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
220 tr && *tr ? "trusted" : "untrusted");
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
221 cb_write_fingerprints(NULL);
|
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 static void otr_handle_smp_tlvs(OtrlTLV * tlvs, ConnContext * ctx)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
225 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
226 OtrlTLV *tlv = NULL;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
227 char *sbuf = NULL;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
228 NextExpectedSMP nextMsg = ctx->smstate->nextExpected;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
229
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
230 tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP1);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
231 if (tlv) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
232 if (nextMsg != OTRL_SMP_EXPECT1)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
233 otr_smp_abort(ctx->username);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
234 else {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
235 sbuf = g_strdup_printf("OTR: Received SMP Initiation. "
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
236 "Answer with /otr smpr %s $secret",
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
237 ctx->username);
|
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 tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP2);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
241 if (tlv) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
242 if (nextMsg != OTRL_SMP_EXPECT2)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
243 otr_smp_abort(ctx->username);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
244 else {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
245 sbuf = g_strdup("OTR: Received SMP Response.");
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
246 /* If we received TLV2, we will send TLV3 and expect TLV4 */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
247 ctx->smstate->nextExpected = OTRL_SMP_EXPECT4;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
248 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
249 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
250 tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP3);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
251 if (tlv) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
252 if (nextMsg != OTRL_SMP_EXPECT3)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
253 otr_smp_abort(ctx->username);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
254 else {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
255 /* If we received TLV3, we will send TLV4
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
256 * We will not expect more messages, so prepare for next SMP */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
257 ctx->smstate->nextExpected = OTRL_SMP_EXPECT1;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
258 /* Report result to user */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
259 if (ctx->active_fingerprint && ctx->active_fingerprint->trust &&
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
260 *ctx->active_fingerprint->trust != '\0')
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
261 sbuf = g_strdup("OTR: SMP succeeded");
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
262 else
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
263 sbuf = g_strdup("OTR: SMP failed");
|
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_SMP4);
|
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_EXPECT4)
|
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 /* We will not expect more messages, so prepare for next SMP */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
272 ctx->smstate->nextExpected = OTRL_SMP_EXPECT1;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
273 /* Report result to user */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
274 if (ctx->active_fingerprint && ctx->active_fingerprint->trust &&
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
275 *ctx->active_fingerprint->trust != '\0')
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
276 sbuf = g_strdup("OTR: SMP succeeded");
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
277 else
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
278 sbuf = g_strdup("OTR: SMP failed");
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
279 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
280 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
281 tlv = otrl_tlv_find(tlvs, OTRL_TLV_SMP_ABORT);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
282 if (tlv) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
283 /* The message we are waiting for will not arrive, so reset
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
284 * and prepare for the next SMP */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
285 sbuf = g_strdup("OTR: SMP aborted by your buddy");
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
286 ctx->smstate->nextExpected = OTRL_SMP_EXPECT1;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
287 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
288
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
289 if (sbuf) {
|
1301
|
290 scr_WriteIncomingMessage(ctx->username, sbuf, 0, HBB_PREFIX_INFO, 0);
|
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
291 g_free(sbuf);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
292 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
293 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
294
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
295 /*
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
296 * returns whether a otr_message was received
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
297 * sets *otr_data to NULL, when it was an internal otr message
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
298 */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
299 int otr_receive(char **otr_data, const char * buddy, int * free_msg)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
300 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
301 int ignore_message;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
302 char *newmessage = NULL;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
303 OtrlTLV *tlvs = NULL;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
304 OtrlTLV *tlv = NULL;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
305 ConnContext * ctx;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
306
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
307 *free_msg = 0;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
308 ignore_message = otrl_message_receiving(userstate, &ops, NULL, account,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
309 "jabber", buddy, *otr_data, &newmessage, &tlvs, NULL, NULL);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
310
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
311 ctx = otr_get_context(buddy);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
312
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
313 tlv = otrl_tlv_find(tlvs, OTRL_TLV_DISCONNECTED);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
314 if (tlv) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
315 /* Notify the user that the other side disconnected. */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
316 if (ctx) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
317 cb_gone_insecure(NULL, ctx);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
318 otr_disconnect(buddy);
|
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 otr_handle_smp_tlvs(tlvs, ctx);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
323
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
324 if (tlvs != NULL)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
325 otrl_tlv_free(tlvs);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
326
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
327 if (ignore_message)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
328 *otr_data = NULL;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
329
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
330 if (!ignore_message && newmessage) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
331 *free_msg = 1;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
332 *otr_data = g_strdup(newmessage);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
333 otrl_message_free(newmessage);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
334 if (ctx->msgstate == OTRL_MSGSTATE_ENCRYPTED)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
335 return 1;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
336 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
337 return 0;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
338 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
339
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
340 int otr_send(char **msg, const char *buddy)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
341 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
342 gcry_error_t err;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
343 char *newmessage = NULL;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
344 ConnContext * ctx = otr_get_context(buddy);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
345
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
346 err = otrl_message_sending(userstate, &ops, NULL, account, "jabber", buddy,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
347 *msg, NULL, &newmessage, NULL, NULL);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
348
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
349 if (err)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
350 *msg = NULL; /*something went wrong, don't send the plain-message! */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
351
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
352 if (!err && newmessage) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
353 *msg = g_strdup(newmessage);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
354 otrl_message_free(newmessage);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
355 if (cb_policy(NULL, ctx) & OTRL_POLICY_REQUIRE_ENCRYPTION ||
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
356 ctx->msgstate == OTRL_MSGSTATE_ENCRYPTED)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
357 return 1;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
358 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
359 return 0;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
360 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
361
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
362 /* Prints OTR connection state */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
363 void otr_print_info(const char * buddy)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
364 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
365 const char *state, *auth, *policy;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
366 ConnContext * ctx = otr_get_context(buddy);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
367 OtrlPolicy p = cb_policy (ctx->app_data, ctx);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
368
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
369 if (!userstate || !ctx)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
370 return;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
371
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
372 switch (ctx->msgstate) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
373 case OTRL_MSGSTATE_PLAINTEXT: state = "plaintext"; break;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
374 case OTRL_MSGSTATE_ENCRYPTED:
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
375 switch (ctx->protocol_version) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
376 case 1: state = "encrypted V1"; break;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
377 case 2: state = "encrypted V2"; break;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
378 default:state = "encrypted";
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
379 };
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
380 break;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
381 case OTRL_MSGSTATE_FINISHED: state = "finished"; break;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
382 default: state = "unknown state";
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
383 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
384 switch (ctx->auth.authstate) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
385 case OTRL_AUTHSTATE_NONE:
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
386 switch (ctx->otr_offer) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
387 case OFFER_NOT: auth = "no offer sent"; break;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
388 case OFFER_SENT: auth = "offer sent"; break;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
389 case OFFER_ACCEPTED: auth = "offer accepted"; break;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
390 case OFFER_REJECTED: auth = "offer rejected"; break;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
391 default: auth = "unknown auth";
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
392 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
393 break;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
394 case OTRL_AUTHSTATE_AWAITING_DHKEY:
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
395 auth = "awaiting D-H key"; break;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
396 case OTRL_AUTHSTATE_AWAITING_REVEALSIG:
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
397 auth = "awaiting reveal signature"; break;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
398 case OTRL_AUTHSTATE_AWAITING_SIG:
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
399 auth = "awaiting signature"; break;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
400 case OTRL_AUTHSTATE_V1_SETUP:
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
401 auth = "v1 setup"; break;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
402 default:
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
403 auth = "unknown auth";
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
404 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
405 if (p == OTRL_POLICY_NEVER)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
406 policy = "plain";
|
1301
|
407 else if (p == (OTRL_POLICY_OPPORTUNISTIC & ~OTRL_POLICY_ALLOW_V1))
|
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
408 policy = "opportunistic";
|
1301
|
409 else if (p == (OTRL_POLICY_MANUAL & ~OTRL_POLICY_ALLOW_V1))
|
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
410 policy = "manual";
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
411 else if (p == (OTRL_POLICY_ALWAYS & ~OTRL_POLICY_ALLOW_V1))
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
412 policy = "always";
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
413 else
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
414 policy = "unknown";
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
415
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
416 scr_LogPrint(LPRINT_LOGNORM, "%s: %s (%s) [%s]",
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
417 ctx->username, state, auth, policy);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
418 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
419
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
420 static ConnContext * otr_context_encrypted(const char * buddy)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
421 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
422 ConnContext * ctx = otr_get_context(buddy);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
423
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
424 if (!userstate || !ctx || ctx->msgstate != OTRL_MSGSTATE_ENCRYPTED){
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
425 scr_LogPrint(LPRINT_LOGNORM,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
426 "You have to start an OTR channel with %s before you can "
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
427 "use SMP.", buddy);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
428 return NULL;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
429 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
430
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
431 return ctx;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
432 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
433
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
434 void otr_smp_query(const char * buddy, const char * secret)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
435 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
436 ConnContext * ctx = otr_context_encrypted(buddy);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
437
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
438 if (!secret) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
439 scr_LogPrint(LPRINT_LOGNORM,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
440 "Using SMP without a secret isn't a good idea.");
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
441 return;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
442 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
443
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
444 if (ctx) {
|
1301
|
445 otrl_message_initiate_smp(userstate, &ops, NULL, ctx,
|
|
446 (const unsigned char *)secret,
|
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
447 strlen(secret));
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
448 scr_WriteIncomingMessage(ctx->username,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
449 "OTR: Socialist Millionaires' Protocol "
|
1301
|
450 "initiated.", 0, HBB_PREFIX_INFO, 0);
|
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
451 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
452 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
453
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
454 void otr_smp_respond(const char * buddy, const char * secret)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
455 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
456 ConnContext * ctx = otr_context_encrypted(buddy);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
457
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
458 if (!secret) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
459 scr_LogPrint(LPRINT_LOGNORM,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
460 "Using SMP without a secret isn't a good idea.");
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
461 return;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
462 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
463
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
464 if (ctx) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
465 if (!ctx->smstate->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 "Don't call smpr before you haven't received an SMP "
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
468 "Initiation!");
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
469 return;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
470 }
|
1301
|
471 otrl_message_respond_smp(userstate, &ops, NULL, ctx,
|
|
472 (const unsigned char *)secret,
|
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
473 strlen(secret));
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
474 scr_WriteIncomingMessage(ctx->username,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
475 "OTR: Socialist Millionaires' Protocol: "
|
1301
|
476 "response sent", 0, HBB_PREFIX_INFO, 0);
|
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
477 }
|
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 void otr_smp_abort(const char * buddy)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
481 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
482 ConnContext * ctx = otr_context_encrypted(buddy);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
483
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
484 if (ctx) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
485 otrl_message_abort_smp(userstate, &ops, NULL, ctx);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
486 scr_WriteIncomingMessage(ctx->username,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
487 "OTR: Socialist Millionaires' Protocol aborted.",
|
1301
|
488 0, HBB_PREFIX_INFO, 0);
|
1299
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
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
492 void otr_key(void)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
493 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
494 OtrlPrivKey * key;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
495 char readable[45] = "";
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
496
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
497 if(!userstate)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
498 return;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
499 for (key = userstate->privkey_root; key; key = key->next) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
500 otrl_privkey_fingerprint(userstate, readable, key->accountname,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
501 key->protocol);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
502 scr_LogPrint(LPRINT_LOGNORM, "%s: %s", key->accountname, readable);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
503 }
|
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 /* Return the OTR policy for the given context. */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
507 static OtrlPolicy cb_policy(void *opdata, ConnContext *ctx)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
508 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
509 enum otr_policy p = settings_otr_getpolicy(NULL);
|
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 if(settings_otr_getpolicy(ctx->username))
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
513 p = settings_otr_getpolicy(ctx->username);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
514
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
515 switch (p) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
516 case plain:
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
517 return OTRL_POLICY_NEVER;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
518 case opportunistic:
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
519 return OTRL_POLICY_OPPORTUNISTIC & ~OTRL_POLICY_ALLOW_V1;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
520 case manual:
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
521 return OTRL_POLICY_MANUAL & ~OTRL_POLICY_ALLOW_V1;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
522 case always:
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
523 return OTRL_POLICY_ALWAYS & ~OTRL_POLICY_ALLOW_V1;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
524 }
|
1301
|
525
|
|
526 return OTRL_POLICY_MANUAL & ~OTRL_POLICY_ALLOW_V1;
|
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
527 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
528
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
529 /* Create a private key for the given accountname/protocol if
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
530 * desired. */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
531 static void cb_create_privkey(void *opdata, const char *accountname,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
532 const char *protocol)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
533 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
534 gcry_error_t e;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
535
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
536 scr_LogPrint(LPRINT_LOGNORM,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
537 "Generating new OTR key for %s. This may take a while...",
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
538 accountname);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
539 scr_DoUpdate();
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
540
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
541 e = otrl_privkey_generate(userstate, keyfile, accountname, protocol);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
542
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
543 if (e)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
544 scr_LogPrint(LPRINT_LOGNORM, "OTR key generation failed!"
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
545 " Please mkdir ~/.mcabber/otr/ and restart mcabber.");
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
546 else
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
547 scr_LogPrint(LPRINT_LOGNORM, "OTR key generated.");
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
548 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
549
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
550 /* Report whether you think the given user is online. Return 1 if
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
551 * 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
|
552 * If you return 1, messages such as heartbeats or other
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
553 * notifications may be sent to the user, which could result in "not
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
554 * logged in" errors if you're wrong. */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
555 static int cb_is_logged_in(void *opdata, const char *accountname,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
556 const char *protocol, const char *recipient)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
557 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
558 int ret = (roster_getstatus((char *)recipient, NULL) != offline);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
559 return ret;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
560 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
561
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
562 /* Send the given IM to the given recipient from the given
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
563 * accountname/protocol. */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
564 static void cb_inject_message(void *opdata, const char *accountname,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
565 const char *protocol, const char *recipient,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
566 const char *message)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
567 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
568 char * id = g_strdup("otrinject");
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
569 jb_send_msg(recipient, message, ROSTER_TYPE_USER, "", id, NULL);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
570 g_free(id);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
571 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
572
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
573 /* Display a notification message for a particular
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
574 * accountname / protocol / username conversation. */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
575 static void cb_notify(void *opdata, OtrlNotifyLevel level,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
576 const char *accountname, const char *protocol,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
577 const char *username, const char *title,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
578 const char *primary, const char *secondary)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
579 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
580 char * type;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
581 char *sbuf = NULL;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
582 switch (level) {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
583 case OTRL_NOTIFY_ERROR: type = "error"; break;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
584 case OTRL_NOTIFY_WARNING: type = "warning"; break;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
585 case OTRL_NOTIFY_INFO: type = "info"; break;
|
1301
|
586 default: type = "unknown";
|
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
587 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
588 sbuf = g_strdup_printf("OTR %s:%s\n%s\n%s",type,title, primary, secondary);
|
1301
|
589 scr_WriteIncomingMessage(username, sbuf, 0, HBB_PREFIX_INFO, 0);
|
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
590 g_free(sbuf);
|
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 /* Display an OTR control message for a particular
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
594 * accountname / protocol / username conversation. Return 0 if you are able
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
595 * to successfully display it. If you return non-0 (or if this
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
596 * function is NULL), the control message will be displayed inline,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
597 * as a received message, or else by using the above notify()
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
598 * callback. */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
599 static int cb_display_otr_message(void *opdata, const char *accountname,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
600 const char *protocol, const char *username,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
601 const char *msg)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
602 {
|
1301
|
603 scr_WriteIncomingMessage(username, msg, 0, HBB_PREFIX_INFO, 0);
|
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
604 return 0;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
605 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
606
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
607 /* When the list of ConnContexts changes (including a change in
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
608 * state), this is called so the UI can be updated. */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
609 static void cb_update_context_list(void *opdata)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
610 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
611 /*maybe introduce new status characters for mcabber,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
612 * then use this function (?!)*/
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
613 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
614
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
615 /* Return a newly allocated string containing a human-friendly name
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
616 * for the given protocol id */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
617 static const char *cb_protocol_name(void *opdata, const char *protocol)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
618 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
619 return protocol;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
620 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
621
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
622 /* Deallocate a string allocated by protocol_name */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
623 static void cb_protocol_name_free (void *opdata, const char *protocol_name)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
624 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
625 /* We didn't allocated memory, so we don't have to free anything :p */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
626 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
627
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
628 /* A new fingerprint for the given user has been received. */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
629 static void cb_new_fingerprint(void *opdata, OtrlUserState us,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
630 const char *accountname, const char *protocol,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
631 const char *username,
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
632 unsigned char fingerprint[20])
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
633 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
634 char *sbuf = NULL;
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
635 char readable[45];
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
636
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
637 otrl_privkey_hash_to_human(readable, fingerprint);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
638 sbuf = g_strdup_printf("OTR: new fingerprint: %s", readable);
|
1301
|
639 scr_WriteIncomingMessage(username, sbuf, 0, HBB_PREFIX_INFO, 0);
|
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
640 g_free(sbuf);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
641 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
642
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
643 /* The list of known fingerprints has changed. Write them to disk. */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
644 static void cb_write_fingerprints(void *opdata)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
645 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
646 otrl_privkey_write_fingerprints(userstate, fprfile);
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
647 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
648
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
649 /* A ConnContext has entered a secure state. */
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
650 static void cb_gone_secure(void *opdata, ConnContext *context)
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
651 {
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
652 scr_WriteIncomingMessage(context->username, "OTR: channel established", 0,
|
1301
|
653 HBB_PREFIX_INFO, 0);
|
1299
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
654 }
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
655
|
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
656 /* A ConnContext has left a secure state. */
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657 static void cb_gone_insecure(void *opdata, ConnContext *context)
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658 {
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659 scr_WriteIncomingMessage(context->username, "OTR: channel closed", 0,
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1301
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660 HBB_PREFIX_INFO, 0);
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661 }
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Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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662
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Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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663 /* We have completed an authentication, using the D-H keys we
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664 * already knew. is_reply indicates whether we initiated the AKE. */
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665 static void cb_still_secure(void *opdata, ConnContext *context, int is_reply)
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666 {
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667 scr_WriteIncomingMessage(context->username, "OTR: channel reestablished", 0,
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668 HBB_PREFIX_INFO, 0);
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669 }
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Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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670
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Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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671 /* Log a message. The passed message will end in "\n". */
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Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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672 static void cb_log_message(void *opdata, const char *message)
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Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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673 {
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Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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674 scr_LogPrint(LPRINT_DEBUG, "OTR: %s", message);
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Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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675 }
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Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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676
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Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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677 /* Find the maximum message size supported by this protocol. */
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Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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678 static int cb_max_message_size(void *opdata, ConnContext *context)
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679 {
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Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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680 return 8192;
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Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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681 }
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Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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682
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Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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683 #endif /* HAVE_LIBOTR */
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Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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684 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */
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