[1ee6c18] | 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 2002-2004 Wilmer van der Gaast and others * |
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| 5 | \********************************************************************/ |
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| 6 | |
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| 7 | /* Support for multiple storage backends */ |
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| 8 | |
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[d9d36fc] | 9 | /* Copyright (C) 2005 Jelmer Vernooij <jelmer@samba.org> */ |
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| 10 | |
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[1ee6c18] | 11 | /* |
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| 12 | This program is free software; you can redistribute it and/or modify |
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| 13 | it under the terms of the GNU General Public License as published by |
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| 14 | the Free Software Foundation; either version 2 of the License, or |
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| 15 | (at your option) any later version. |
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| 16 | |
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| 17 | This program is distributed in the hope that it will be useful, |
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| 18 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 20 | GNU General Public License for more details. |
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| 21 | |
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| 22 | You should have received a copy of the GNU General Public License with |
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| 23 | the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; |
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| 24 | if not, write to the Free Software Foundation, Inc., 59 Temple Place, |
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| 25 | Suite 330, Boston, MA 02111-1307 USA |
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| 26 | */ |
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| 27 | |
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| 28 | #define BITLBEE_CORE |
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| 29 | #include "bitlbee.h" |
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| 30 | |
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| 31 | extern storage_t storage_text; |
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[c121f89] | 32 | extern storage_t storage_xml; |
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[1ee6c18] | 33 | |
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[c121f89] | 34 | static GList *storage_backends = NULL; |
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[1ee6c18] | 35 | |
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| 36 | void register_storage_backend(storage_t *backend) |
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| 37 | { |
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| 38 | storage_backends = g_list_append(storage_backends, backend); |
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| 39 | } |
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| 40 | |
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[b73ac9c] | 41 | static storage_t *storage_init_single(const char *name) |
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[1ee6c18] | 42 | { |
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| 43 | GList *gl; |
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[b3c467b] | 44 | storage_t *st = NULL; |
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[1ee6c18] | 45 | |
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| 46 | for (gl = storage_backends; gl; gl = gl->next) { |
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| 47 | st = gl->data; |
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| 48 | if (strcmp(st->name, name) == 0) |
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| 49 | break; |
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| 50 | } |
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| 51 | |
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| 52 | if (gl == NULL) |
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| 53 | return NULL; |
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| 54 | |
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| 55 | if (st->init) |
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| 56 | st->init(); |
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| 57 | |
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| 58 | return st; |
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| 59 | } |
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[ab49fdc] | 60 | |
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[b73ac9c] | 61 | GList *storage_init(const char *primary, char **migrate) |
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| 62 | { |
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| 63 | GList *ret = NULL; |
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| 64 | int i; |
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| 65 | storage_t *storage; |
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[c121f89] | 66 | |
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| 67 | register_storage_backend(&storage_xml); |
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| 68 | |
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[b73ac9c] | 69 | storage = storage_init_single(primary); |
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[7e3592e] | 70 | if (storage == NULL && storage->save == NULL) |
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[b73ac9c] | 71 | return NULL; |
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| 72 | |
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| 73 | ret = g_list_append(ret, storage); |
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| 74 | |
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| 75 | for (i = 0; migrate && migrate[i]; i++) { |
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| 76 | storage = storage_init_single(migrate[i]); |
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| 77 | |
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| 78 | if (storage) |
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| 79 | ret = g_list_append(ret, storage); |
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| 80 | } |
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| 81 | |
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| 82 | return ret; |
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| 83 | } |
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| 84 | |
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[ab49fdc] | 85 | storage_status_t storage_check_pass (const char *nick, const char *password) |
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| 86 | { |
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[b73ac9c] | 87 | GList *gl; |
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| 88 | |
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| 89 | /* Loop until we don't get NO_SUCH_USER */ |
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| 90 | |
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| 91 | for (gl = global.storage; gl; gl = gl->next) { |
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| 92 | storage_t *st = gl->data; |
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| 93 | storage_status_t status; |
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| 94 | |
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| 95 | status = st->check_pass(nick, password); |
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| 96 | if (status != STORAGE_NO_SUCH_USER) |
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| 97 | return status; |
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| 98 | } |
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| 99 | |
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| 100 | return STORAGE_NO_SUCH_USER; |
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[ab49fdc] | 101 | } |
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| 102 | |
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[3183c21] | 103 | storage_status_t storage_load (irc_t * irc, const char *password) |
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[ab49fdc] | 104 | { |
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[b73ac9c] | 105 | GList *gl; |
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| 106 | |
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[3183c21] | 107 | if (irc && irc->status & USTATUS_IDENTIFIED) |
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| 108 | return STORAGE_OTHER_ERROR; |
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| 109 | |
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[b73ac9c] | 110 | /* Loop until we don't get NO_SUCH_USER */ |
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| 111 | for (gl = global.storage; gl; gl = gl->next) { |
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| 112 | storage_t *st = gl->data; |
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| 113 | storage_status_t status; |
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| 114 | |
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[3183c21] | 115 | status = st->load(irc, password); |
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[0c85c08] | 116 | if (status == STORAGE_OK) |
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[b73ac9c] | 117 | return status; |
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[0c85c08] | 118 | |
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[b73ac9c] | 119 | if (status != STORAGE_NO_SUCH_USER) |
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| 120 | return status; |
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| 121 | } |
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| 122 | |
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| 123 | return STORAGE_NO_SUCH_USER; |
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[ab49fdc] | 124 | } |
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| 125 | |
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[3183c21] | 126 | storage_status_t storage_save (irc_t *irc, char *password, int overwrite) |
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[ab49fdc] | 127 | { |
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[3183c21] | 128 | storage_status_t st; |
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| 129 | |
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| 130 | if (password != NULL) { |
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| 131 | /* Should only use this in the "register" command. */ |
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| 132 | if (irc->password || overwrite) |
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| 133 | return STORAGE_OTHER_ERROR; |
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| 134 | |
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| 135 | irc_setpass(irc, password); |
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| 136 | } else if ((irc->status & USTATUS_IDENTIFIED) == 0) { |
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| 137 | return STORAGE_NO_SUCH_USER; |
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| 138 | } |
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[0c85c08] | 139 | |
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[3183c21] | 140 | st = ((storage_t *)global.storage->data)->save(irc, overwrite); |
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| 141 | |
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| 142 | if (password != NULL) { |
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| 143 | irc_setpass(irc, NULL); |
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| 144 | } |
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| 145 | |
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| 146 | return st; |
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[ab49fdc] | 147 | } |
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| 148 | |
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| 149 | storage_status_t storage_remove (const char *nick, const char *password) |
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| 150 | { |
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[b73ac9c] | 151 | GList *gl; |
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| 152 | storage_status_t ret = STORAGE_OK; |
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| 153 | |
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| 154 | /* Remove this account from all storage backends. If this isn't |
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| 155 | * done, the account will still be usable, it'd just be |
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| 156 | * loaded from a different backend. */ |
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| 157 | for (gl = global.storage; gl; gl = gl->next) { |
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| 158 | storage_t *st = gl->data; |
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| 159 | storage_status_t status; |
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| 160 | |
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| 161 | status = st->remove(nick, password); |
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[3183c21] | 162 | if (status != STORAGE_NO_SUCH_USER && status != STORAGE_OK) |
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[b73ac9c] | 163 | ret = status; |
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| 164 | } |
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| 165 | |
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| 166 | return ret; |
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[ab49fdc] | 167 | } |
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| 168 | |
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[3183c21] | 169 | #if 0 |
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| 170 | Not using this yet. Test thoroughly before adding UI hooks to this function. |
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| 171 | |
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[ab49fdc] | 172 | storage_status_t storage_rename (const char *onick, const char *nnick, const char *password) |
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| 173 | { |
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[b73ac9c] | 174 | storage_status_t status; |
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| 175 | GList *gl = global.storage; |
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| 176 | storage_t *primary_storage = gl->data; |
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| 177 | irc_t *irc; |
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[0c85c08] | 178 | |
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[b73ac9c] | 179 | /* First, try to rename in the current write backend, assuming onick |
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| 180 | * is stored there */ |
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| 181 | status = primary_storage->rename(onick, nnick, password); |
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[0c85c08] | 182 | if (status != STORAGE_NO_SUCH_USER) |
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[b73ac9c] | 183 | return status; |
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| 184 | |
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| 185 | /* Try to load from a migration backend and save to the current backend. |
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| 186 | * Explicitly remove the account from the migration backend as otherwise |
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| 187 | * it'd still be usable under the old name */ |
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| 188 | |
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| 189 | irc = g_new0(irc_t, 1); |
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| 190 | status = storage_load(onick, password, irc); |
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| 191 | if (status != STORAGE_OK) { |
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| 192 | irc_free(irc); |
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| 193 | return status; |
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| 194 | } |
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| 195 | |
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| 196 | g_free(irc->nick); |
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| 197 | irc->nick = g_strdup(nnick); |
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| 198 | |
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| 199 | status = storage_save(irc, FALSE); |
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| 200 | if (status != STORAGE_OK) { |
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| 201 | irc_free(irc); |
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| 202 | return status; |
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| 203 | } |
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| 204 | irc_free(irc); |
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| 205 | |
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| 206 | storage_remove(onick, password); |
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| 207 | |
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| 208 | return STORAGE_OK; |
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[ab49fdc] | 209 | } |
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[3183c21] | 210 | #endif |
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