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