1 | /********************************************************************\ |
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2 | * BitlBee -- An IRC to other IM-networks gateway * |
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3 | * * |
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4 | * Copyright 2002-2013 Wilmer van der Gaast and others * |
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5 | \********************************************************************/ |
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6 | |
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7 | /* Account management functions */ |
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8 | |
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9 | /* |
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10 | This program is free software; you can redistribute it and/or modify |
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11 | it under the terms of the GNU General Public License as published by |
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12 | the Free Software Foundation; either version 2 of the License, or |
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13 | (at your option) any later version. |
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14 | |
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15 | This program is distributed in the hope that it will be useful, |
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16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 | GNU General Public License for more details. |
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19 | |
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20 | You should have received a copy of the GNU General Public License with |
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21 | the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; |
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22 | if not, write to the Free Software Foundation, Inc., 51 Franklin St., |
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23 | Fifth Floor, Boston, MA 02110-1301 USA |
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24 | */ |
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25 | |
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26 | #define BITLBEE_CORE |
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27 | #include "bitlbee.h" |
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28 | #include "account.h" |
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29 | |
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30 | static const char* account_protocols_local[] = { |
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31 | "gg", "whatsapp", NULL |
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32 | }; |
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33 | |
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34 | static char *set_eval_nick_source(set_t *set, char *value); |
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35 | |
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36 | account_t *account_add(bee_t *bee, struct prpl *prpl, char *user, char *pass) |
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37 | { |
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38 | account_t *a; |
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39 | set_t *s; |
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40 | char tag[strlen(prpl->name) + 10]; |
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41 | |
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42 | if (bee->accounts) { |
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43 | for (a = bee->accounts; a->next; a = a->next) { |
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44 | ; |
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45 | } |
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46 | a = a->next = g_new0(account_t, 1); |
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47 | } else { |
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48 | bee->accounts = a = g_new0(account_t, 1); |
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49 | } |
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50 | |
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51 | a->prpl = prpl; |
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52 | a->user = g_strdup(user); |
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53 | a->pass = g_strdup(pass); |
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54 | a->auto_connect = 1; |
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55 | a->bee = bee; |
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56 | |
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57 | s = set_add(&a->set, "auto_connect", "true", set_eval_account, a); |
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58 | s->flags |= SET_NOSAVE; |
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59 | |
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60 | s = set_add(&a->set, "auto_reconnect", "true", set_eval_bool, a); |
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61 | |
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62 | s = set_add(&a->set, "nick_format", NULL, NULL, a); |
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63 | s->flags |= SET_NULL_OK; |
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64 | |
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65 | s = set_add(&a->set, "nick_source", "handle", set_eval_nick_source, a); |
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66 | s->flags |= SET_NOSAVE; /* Just for bw compatibility! */ |
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67 | |
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68 | s = set_add(&a->set, "password", NULL, set_eval_account, a); |
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69 | s->flags |= SET_NOSAVE | SET_NULL_OK | SET_PASSWORD | ACC_SET_LOCKABLE; |
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70 | |
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71 | s = set_add(&a->set, "tag", NULL, set_eval_account, a); |
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72 | s->flags |= SET_NOSAVE; |
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73 | |
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74 | s = set_add(&a->set, "username", NULL, set_eval_account, a); |
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75 | s->flags |= SET_NOSAVE | ACC_SET_OFFLINE_ONLY | ACC_SET_LOCKABLE; |
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76 | set_setstr(&a->set, "username", user); |
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77 | |
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78 | /* Hardcode some more clever tag guesses. */ |
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79 | strcpy(tag, prpl->name); |
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80 | if (strcmp(prpl->name, "oscar") == 0) { |
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81 | if (g_ascii_isdigit(a->user[0])) { |
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82 | strcpy(tag, "icq"); |
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83 | } else { |
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84 | strcpy(tag, "aim"); |
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85 | } |
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86 | } else if (strcmp(prpl->name, "jabber") == 0) { |
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87 | if (strstr(a->user, "@gmail.com") || |
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88 | strstr(a->user, "@googlemail.com")) { |
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89 | strcpy(tag, "gtalk"); |
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90 | } |
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91 | } |
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92 | |
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93 | if (account_by_tag(bee, tag)) { |
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94 | char *numpos = tag + strlen(tag); |
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95 | int i; |
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96 | |
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97 | for (i = 2; i < 10000; i++) { |
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98 | sprintf(numpos, "%d", i); |
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99 | if (!account_by_tag(bee, tag)) { |
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100 | break; |
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101 | } |
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102 | } |
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103 | } |
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104 | set_setstr(&a->set, "tag", tag); |
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105 | |
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106 | a->nicks = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free); |
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107 | |
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108 | /* This function adds some more settings (and might want to do more |
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109 | things that have to be done now, although I can't think of anything. */ |
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110 | if (prpl->init) { |
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111 | prpl->init(a); |
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112 | } |
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113 | |
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114 | s = set_add(&a->set, "away", NULL, set_eval_account, a); |
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115 | s->flags |= SET_NULL_OK; |
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116 | |
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117 | if (a->flags & ACC_FLAG_STATUS_MESSAGE) { |
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118 | s = set_add(&a->set, "status", NULL, set_eval_account, a); |
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119 | s->flags |= SET_NULL_OK; |
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120 | } |
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121 | |
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122 | return a; |
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123 | } |
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124 | |
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125 | char *set_eval_account(set_t *set, char *value) |
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126 | { |
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127 | account_t *acc = set->data; |
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128 | |
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129 | /* Double-check: We refuse to edit on-line accounts. */ |
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130 | if (set->flags & ACC_SET_OFFLINE_ONLY && acc->ic) { |
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131 | return SET_INVALID; |
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132 | } |
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133 | |
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134 | if (strcmp(set->key, "server") == 0) { |
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135 | g_free(acc->server); |
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136 | if (value && *value) { |
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137 | acc->server = g_strdup(value); |
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138 | return value; |
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139 | } else { |
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140 | acc->server = g_strdup(set->def); |
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141 | return g_strdup(set->def); |
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142 | } |
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143 | } else if (strcmp(set->key, "username") == 0) { |
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144 | g_free(acc->user); |
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145 | acc->user = g_strdup(value); |
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146 | return value; |
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147 | } else if (strcmp(set->key, "password") == 0) { |
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148 | /* set -del allows /oper to be used to change the password or, |
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149 | iff oauth is enabled, reset the oauth credential magic. |
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150 | */ |
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151 | if (!value) { |
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152 | if (set_getbool(&(acc->set), "oauth")) { |
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153 | value = ""; |
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154 | } else { |
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155 | value = PASSWORD_PENDING; |
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156 | ((irc_t *) acc->bee->ui_data)->status |= OPER_HACK_ACCOUNT_PASSWORD; |
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157 | irc_rootmsg((irc_t *) acc->bee->ui_data, "You may now use /OPER to set the password"); |
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158 | } |
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159 | } |
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160 | |
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161 | g_free(acc->pass); |
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162 | acc->pass = g_strdup(value); |
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163 | return NULL; /* password shouldn't be visible in plaintext! */ |
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164 | } else if (strcmp(set->key, "tag") == 0) { |
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165 | account_t *oa; |
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166 | |
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167 | /* Enforce uniqueness. */ |
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168 | if ((oa = account_by_tag(acc->bee, value)) && oa != acc) { |
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169 | return SET_INVALID; |
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170 | } |
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171 | |
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172 | g_free(acc->tag); |
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173 | acc->tag = g_strdup(value); |
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174 | return value; |
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175 | } else if (strcmp(set->key, "auto_connect") == 0) { |
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176 | if (!is_bool(value)) { |
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177 | return SET_INVALID; |
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178 | } |
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179 | |
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180 | acc->auto_connect = bool2int(value); |
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181 | return value; |
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182 | } else if (strcmp(set->key, "away") == 0 || |
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183 | strcmp(set->key, "status") == 0) { |
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184 | if (acc->ic && acc->ic->flags & OPT_LOGGED_IN) { |
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185 | /* If we're currently on-line, set the var now already |
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186 | (bit of a hack) and send an update. */ |
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187 | g_free(set->value); |
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188 | set->value = g_strdup(value); |
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189 | |
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190 | imc_away_send_update(acc->ic); |
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191 | } |
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192 | |
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193 | return value; |
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194 | } |
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195 | |
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196 | return SET_INVALID; |
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197 | } |
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198 | |
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199 | /* For bw compatibility, have this write-only setting. */ |
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200 | static char *set_eval_nick_source(set_t *set, char *value) |
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201 | { |
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202 | account_t *a = set->data; |
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203 | |
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204 | if (strcmp(value, "full_name") == 0) { |
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205 | set_setstr(&a->set, "nick_format", "%full_name"); |
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206 | } else if (strcmp(value, "first_name") == 0) { |
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207 | set_setstr(&a->set, "nick_format", "%first_name"); |
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208 | } else { |
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209 | set_setstr(&a->set, "nick_format", "%-@nick"); |
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210 | } |
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211 | |
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212 | return value; |
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213 | } |
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214 | |
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215 | account_t *account_get(bee_t *bee, const char *id) |
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216 | { |
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217 | account_t *a, *ret = NULL; |
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218 | char *handle, *s; |
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219 | int nr; |
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220 | |
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221 | /* Tags get priority above anything else. */ |
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222 | if ((a = account_by_tag(bee, id))) { |
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223 | return a; |
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224 | } |
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225 | |
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226 | /* This checks if the id string ends with (...) */ |
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227 | if ((handle = strchr(id, '(')) && (s = strchr(handle, ')')) && s[1] == 0) { |
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228 | struct prpl *proto; |
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229 | |
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230 | *s = *handle = 0; |
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231 | handle++; |
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232 | |
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233 | if ((proto = find_protocol(id))) { |
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234 | for (a = bee->accounts; a; a = a->next) { |
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235 | if (a->prpl == proto && |
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236 | a->prpl->handle_cmp(handle, a->user) == 0) { |
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237 | ret = a; |
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238 | } |
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239 | } |
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240 | } |
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241 | |
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242 | /* Restore the string. */ |
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243 | handle--; |
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244 | *handle = '('; |
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245 | *s = ')'; |
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246 | |
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247 | if (ret) { |
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248 | return ret; |
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249 | } |
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250 | } |
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251 | |
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252 | if (sscanf(id, "%d", &nr) == 1 && nr < 1000) { |
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253 | for (a = bee->accounts; a; a = a->next) { |
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254 | if ((nr--) == 0) { |
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255 | return(a); |
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256 | } |
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257 | } |
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258 | |
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259 | return(NULL); |
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260 | } |
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261 | |
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262 | for (a = bee->accounts; a; a = a->next) { |
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263 | if (g_strcasecmp(id, a->prpl->name) == 0) { |
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264 | if (!ret) { |
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265 | ret = a; |
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266 | } else { |
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267 | return(NULL); /* We don't want to match more than one... */ |
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268 | } |
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269 | } else if (strstr(a->user, id)) { |
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270 | if (!ret) { |
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271 | ret = a; |
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272 | } else { |
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273 | return(NULL); |
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274 | } |
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275 | } |
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276 | } |
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277 | |
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278 | return(ret); |
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279 | } |
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280 | |
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281 | account_t *account_by_tag(bee_t *bee, const char *tag) |
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282 | { |
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283 | account_t *a; |
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284 | |
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285 | for (a = bee->accounts; a; a = a->next) { |
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286 | if (a->tag && g_strcasecmp(tag, a->tag) == 0) { |
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287 | return a; |
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288 | } |
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289 | } |
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290 | |
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291 | return NULL; |
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292 | } |
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293 | |
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294 | void account_del(bee_t *bee, account_t *acc) |
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295 | { |
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296 | account_t *a, *l = NULL; |
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297 | |
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298 | if (acc->ic) { |
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299 | /* Caller should have checked, accounts still in use can't be deleted. */ |
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300 | return; |
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301 | } |
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302 | |
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303 | for (a = bee->accounts; a; a = (l = a)->next) { |
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304 | if (a == acc) { |
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305 | if (l) { |
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306 | l->next = a->next; |
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307 | } else { |
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308 | bee->accounts = a->next; |
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309 | } |
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310 | |
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311 | /** FIXME |
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312 | for( c = bee->chatrooms; c; c = nc ) |
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313 | { |
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314 | nc = c->next; |
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315 | if( acc == c->acc ) |
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316 | chat_del( bee, c ); |
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317 | } |
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318 | */ |
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319 | |
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320 | while (a->set) { |
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321 | set_del(&a->set, a->set->key); |
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322 | } |
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323 | |
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324 | g_hash_table_destroy(a->nicks); |
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325 | |
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326 | g_free(a->tag); |
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327 | g_free(a->user); |
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328 | g_free(a->pass); |
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329 | g_free(a->server); |
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330 | if (a->reconnect) { /* This prevents any reconnect still queued to happen */ |
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331 | cancel_auto_reconnect(a); |
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332 | } |
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333 | g_free(a); |
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334 | |
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335 | break; |
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336 | } |
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337 | } |
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338 | } |
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339 | |
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340 | static gboolean account_on_timeout(gpointer d, gint fd, b_input_condition cond); |
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341 | |
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342 | void account_on(bee_t *bee, account_t *a) |
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343 | { |
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344 | if (a->ic) { |
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345 | /* Trying to enable an already-enabled account */ |
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346 | return; |
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347 | } |
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348 | |
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349 | cancel_auto_reconnect(a); |
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350 | |
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351 | a->reconnect = 0; |
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352 | a->prpl->login(a); |
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353 | |
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354 | if (a->ic && !(a->ic->flags & (OPT_SLOW_LOGIN | OPT_LOGGED_IN))) { |
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355 | a->ic->keepalive = b_timeout_add(120000, account_on_timeout, a->ic); |
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356 | } |
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357 | } |
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358 | |
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359 | void account_off(bee_t *bee, account_t *a) |
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360 | { |
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361 | imc_logout(a->ic, FALSE); |
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362 | a->ic = NULL; |
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363 | if (a->reconnect) { |
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364 | /* Shouldn't happen */ |
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365 | cancel_auto_reconnect(a); |
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366 | } |
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367 | } |
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368 | |
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369 | static gboolean account_on_timeout(gpointer d, gint fd, b_input_condition cond) |
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370 | { |
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371 | struct im_connection *ic = d; |
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372 | |
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373 | if (!(ic->flags & (OPT_SLOW_LOGIN | OPT_LOGGED_IN))) { |
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374 | imcb_error(ic, "Connection timeout"); |
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375 | imc_logout(ic, TRUE); |
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376 | } |
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377 | |
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378 | return FALSE; |
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379 | } |
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380 | |
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381 | struct account_reconnect_delay { |
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382 | int start; |
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383 | char op; |
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384 | int step; |
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385 | int max; |
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386 | }; |
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387 | |
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388 | int account_reconnect_delay_parse(char *value, struct account_reconnect_delay *p) |
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389 | { |
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390 | memset(p, 0, sizeof(*p)); |
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391 | /* A whole day seems like a sane "maximum maximum". */ |
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392 | p->max = 86400; |
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393 | |
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394 | /* Format: /[0-9]+([*+][0-9]+(<[0-9+])?)?/ */ |
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395 | while (*value && g_ascii_isdigit(*value)) { |
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396 | p->start = p->start * 10 + *value++ - '0'; |
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397 | } |
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398 | |
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399 | /* Sure, call me evil for implementing my own fscanf here, but it's |
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400 | dead simple and I immediately know where to continue parsing. */ |
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401 | |
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402 | if (*value == 0) { |
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403 | /* If the string ends now, the delay is constant. */ |
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404 | return 1; |
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405 | } else if (*value != '+' && *value != '*') { |
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406 | /* Otherwise allow either a + or a * */ |
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407 | return 0; |
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408 | } |
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409 | |
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410 | p->op = *value++; |
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411 | |
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412 | /* + or * the delay by this number every time. */ |
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413 | while (*value && g_ascii_isdigit(*value)) { |
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414 | p->step = p->step * 10 + *value++ - '0'; |
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415 | } |
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416 | |
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417 | if (*value == 0) { |
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418 | /* Use the default maximum (one day). */ |
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419 | return 1; |
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420 | } else if (*value != '<') { |
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421 | return 0; |
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422 | } |
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423 | |
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424 | p->max = 0; |
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425 | value++; |
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426 | while (*value && g_ascii_isdigit(*value)) { |
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427 | p->max = p->max * 10 + *value++ - '0'; |
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428 | } |
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429 | |
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430 | return p->max > 0; |
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431 | } |
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432 | |
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433 | char *set_eval_account_reconnect_delay(set_t *set, char *value) |
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434 | { |
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435 | struct account_reconnect_delay p; |
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436 | |
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437 | return account_reconnect_delay_parse(value, &p) ? value : SET_INVALID; |
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438 | } |
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439 | |
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440 | int account_reconnect_delay(account_t *a) |
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441 | { |
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442 | char *setting = set_getstr(&a->bee->set, "auto_reconnect_delay"); |
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443 | struct account_reconnect_delay p; |
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444 | |
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445 | if (account_reconnect_delay_parse(setting, &p)) { |
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446 | if (a->auto_reconnect_delay == 0) { |
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447 | a->auto_reconnect_delay = p.start; |
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448 | } else if (p.op == '+') { |
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449 | a->auto_reconnect_delay += p.step; |
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450 | } else if (p.op == '*') { |
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451 | a->auto_reconnect_delay *= p.step; |
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452 | } |
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453 | |
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454 | if (a->auto_reconnect_delay > p.max) { |
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455 | a->auto_reconnect_delay = p.max; |
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456 | } |
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457 | } else { |
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458 | a->auto_reconnect_delay = 0; |
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459 | } |
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460 | |
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461 | return a->auto_reconnect_delay; |
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462 | } |
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463 | |
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464 | int protocol_account_islocal(const char* protocol) |
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465 | { |
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466 | const char** p = account_protocols_local; |
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467 | |
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468 | do { |
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469 | if (strcmp(*p, protocol) == 0) { |
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470 | return 1; |
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471 | } |
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472 | } while (*(++p)); |
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473 | return 0; |
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474 | } |
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