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1 /* |
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2 * otr.c -- Off-The-Record Messaging for mcabber |
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3 * |
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4 * Copyright (C) 2007 Frank Zschockelt <mcabber_otr@freakysoft.de> |
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5 * |
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6 * This program is free software; you can redistribute it and/or modify |
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7 * it under the terms of the GNU General Public License as published by |
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8 * the Free Software Foundation; either version 2 of the License, or (at |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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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 |
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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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 |
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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, |
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159 ctx->protocol, ctx->username); |
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160 } |
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161 |
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162 static void otr_startstop(const char * buddy, int start) |
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163 { |
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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>
parents:
diff
changeset
|
632 g_free(sbuf); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
633 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
634 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
635 /* The list of known fingerprints has changed. Write them to disk. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
636 static void cb_write_fingerprints(void *opdata) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
637 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
638 otrl_privkey_write_fingerprints(userstate, fprfile); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
639 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
640 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
641 /* A ConnContext has entered a secure state. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
642 static void cb_gone_secure(void *opdata, ConnContext *context) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
643 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
644 scr_WriteIncomingMessage(context->username, "OTR: channel established", 0, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
645 HBB_PREFIX_INFO); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
646 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
647 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
648 /* A ConnContext has left a secure state. */ |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
649 static void cb_gone_insecure(void *opdata, ConnContext *context) |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
650 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
651 scr_WriteIncomingMessage(context->username, "OTR: channel closed", 0, |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
652 HBB_PREFIX_INFO); |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
653 } |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
654 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
655 /* We have completed an authentication, using the D-H keys we |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
parents:
diff
changeset
|
656 * already knew. is_reply indicates whether we initiated the AKE. */ |
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657 static void cb_still_secure(void *opdata, ConnContext *context, int is_reply) |
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658 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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659 scr_WriteIncomingMessage(context->username, "OTR: channel reestablished", 0, |
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660 HBB_PREFIX_INFO); |
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661 } |
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662 |
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663 /* Log a message. The passed message will end in "\n". */ |
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664 static void cb_log_message(void *opdata, const char *message) |
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665 { |
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666 scr_LogPrint(LPRINT_DEBUG, "OTR: %s", message); |
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667 } |
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668 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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669 /* Find the maximum message size supported by this protocol. */ |
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670 static int cb_max_message_size(void *opdata, ConnContext *context) |
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671 { |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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672 return 8192; |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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673 } |
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674 |
Frank Zschockelt <mcabber_otr[at]freakysoft.de>
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675 #endif /* HAVE_LIBOTR */ |
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676 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |