[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 | /* Storage backend that uses the same file format as <=1.0 */ |
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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., 59 Temple Place, |
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| 23 | Suite 330, Boston, MA 02111-1307 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 "crypting.h" |
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| 29 | |
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[703f0f7] | 30 | /* DO NOT USE THIS FUNCTION IN NEW CODE. This |
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| 31 | * function is here merely because the save/load code still uses |
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[bf02a67] | 32 | * ids rather than names */ |
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[703f0f7] | 33 | static struct prpl *find_protocol_by_id(int id) |
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| 34 | { |
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| 35 | switch (id) { |
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[c4168f4] | 36 | case 0: case 1: case 3: return find_protocol("oscar"); |
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[703f0f7] | 37 | case 4: return find_protocol("msn"); |
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| 38 | case 2: return find_protocol("yahoo"); |
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| 39 | case 8: return find_protocol("jabber"); |
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| 40 | default: break; |
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| 41 | } |
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| 42 | return NULL; |
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| 43 | } |
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| 44 | |
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| 45 | static int find_protocol_id(const char *name) |
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| 46 | { |
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| 47 | if (!strcmp(name, "oscar")) return 1; |
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| 48 | if (!strcmp(name, "msn")) return 4; |
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| 49 | if (!strcmp(name, "yahoo")) return 2; |
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| 50 | if (!strcmp(name, "jabber")) return 8; |
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| 51 | |
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| 52 | return -1; |
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| 53 | } |
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| 54 | |
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| 55 | |
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[1ee6c18] | 56 | static void text_init (void) |
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| 57 | { |
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| 58 | if( access( global.conf->configdir, F_OK ) != 0 ) |
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| 59 | log_message( LOGLVL_WARNING, "The configuration directory %s does not exist. Configuration won't be saved.", CONFIG ); |
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| 60 | else if( access( global.conf->configdir, R_OK ) != 0 || access( global.conf->configdir, W_OK ) != 0 ) |
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| 61 | log_message( LOGLVL_WARNING, "Permission problem: Can't read/write from/to %s.", global.conf->configdir ); |
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| 62 | } |
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| 63 | |
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[a1f17d4] | 64 | static storage_status_t text_load ( const char *my_nick, const char* password, irc_t *irc ) |
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[1ee6c18] | 65 | { |
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| 66 | char s[512]; |
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| 67 | char *line; |
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| 68 | int proto; |
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| 69 | char nick[MAX_NICK_LENGTH+1]; |
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| 70 | FILE *fp; |
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| 71 | user_t *ru = user_find( irc, ROOT_NICK ); |
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| 72 | |
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[79e826a] | 73 | if( irc->status & USTATUS_IDENTIFIED ) |
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[1ee6c18] | 74 | return( 1 ); |
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| 75 | |
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| 76 | g_snprintf( s, 511, "%s%s%s", global.conf->configdir, my_nick, ".accounts" ); |
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| 77 | fp = fopen( s, "r" ); |
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[a1f17d4] | 78 | if( !fp ) return STORAGE_NO_SUCH_USER; |
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[1ee6c18] | 79 | |
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| 80 | fscanf( fp, "%32[^\n]s", s ); |
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[7cad7b4] | 81 | |
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| 82 | if (checkpass (password, s) != 0) |
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[1ee6c18] | 83 | { |
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| 84 | fclose( fp ); |
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[a1f17d4] | 85 | return STORAGE_INVALID_PASSWORD; |
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[1ee6c18] | 86 | } |
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| 87 | |
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| 88 | /* Do this now. If the user runs with AuthMode = Registered, the |
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| 89 | account command will not work otherwise. */ |
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[79e826a] | 90 | irc->status |= USTATUS_IDENTIFIED; |
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[1ee6c18] | 91 | |
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| 92 | while( fscanf( fp, "%511[^\n]s", s ) > 0 ) |
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| 93 | { |
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| 94 | fgetc( fp ); |
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[b73ac9c] | 95 | line = deobfucrypt( s, password ); |
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| 96 | if (line == NULL) return STORAGE_OTHER_ERROR; |
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[1ee6c18] | 97 | root_command_string( irc, ru, line, 0 ); |
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| 98 | g_free( line ); |
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| 99 | } |
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| 100 | fclose( fp ); |
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| 101 | |
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| 102 | g_snprintf( s, 511, "%s%s%s", global.conf->configdir, my_nick, ".nicks" ); |
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| 103 | fp = fopen( s, "r" ); |
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[a1f17d4] | 104 | if( !fp ) return STORAGE_NO_SUCH_USER; |
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[1ee6c18] | 105 | while( fscanf( fp, "%s %d %s", s, &proto, nick ) > 0 ) |
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| 106 | { |
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[703f0f7] | 107 | struct prpl *prpl; |
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| 108 | |
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| 109 | prpl = find_protocol_by_id(proto); |
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| 110 | |
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| 111 | if (!prpl) |
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| 112 | continue; |
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| 113 | |
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[1ee6c18] | 114 | http_decode( s ); |
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[703f0f7] | 115 | nick_set( irc, s, prpl, nick ); |
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[1ee6c18] | 116 | } |
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| 117 | fclose( fp ); |
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| 118 | |
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[a1f17d4] | 119 | return STORAGE_OK; |
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[1ee6c18] | 120 | } |
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| 121 | |
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[a1f17d4] | 122 | static storage_status_t text_save( irc_t *irc, int overwrite ) |
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[1ee6c18] | 123 | { |
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| 124 | char s[512]; |
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| 125 | char path[512], new_path[512]; |
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| 126 | char *line; |
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| 127 | nick_t *n; |
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| 128 | set_t *set; |
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| 129 | mode_t ou = umask( 0077 ); |
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| 130 | account_t *a; |
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| 131 | FILE *fp; |
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| 132 | char *hash; |
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[a1f17d4] | 133 | |
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| 134 | if (!overwrite) { |
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| 135 | g_snprintf( path, 511, "%s%s%s", global.conf->configdir, irc->nick, ".accounts" ); |
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| 136 | if (access( path, F_OK ) != -1) |
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| 137 | return STORAGE_ALREADY_EXISTS; |
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| 138 | |
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| 139 | g_snprintf( path, 511, "%s%s%s", global.conf->configdir, irc->nick, ".nicks" ); |
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| 140 | if (access( path, F_OK ) != -1) |
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| 141 | return STORAGE_ALREADY_EXISTS; |
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| 142 | } |
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[1ee6c18] | 143 | |
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| 144 | /*\ |
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| 145 | * [SH] Nothing should be saved if no password is set, because the |
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| 146 | * password is not set if it was wrong, or if one is not identified |
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| 147 | * yet. This means that a malicious user could easily overwrite |
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| 148 | * files owned by someone else: |
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| 149 | * a Bad Thing, methinks |
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| 150 | \*/ |
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| 151 | |
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| 152 | /* [WVG] No? Really? */ |
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| 153 | |
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| 154 | /*\ |
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| 155 | * [SH] Okay, okay, it wasn't really Wilmer who said that, it was |
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| 156 | * me. I just thought it was funny. |
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| 157 | \*/ |
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| 158 | |
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[b73ac9c] | 159 | hash = hashpass( irc->password ); |
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[1ee6c18] | 160 | if( hash == NULL ) |
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| 161 | { |
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| 162 | irc_usermsg( irc, "Please register yourself if you want to save your settings." ); |
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[b73ac9c] | 163 | return STORAGE_OTHER_ERROR; |
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[1ee6c18] | 164 | } |
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| 165 | |
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| 166 | g_snprintf( path, 511, "%s%s%s", global.conf->configdir, irc->nick, ".nicks~" ); |
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| 167 | fp = fopen( path, "w" ); |
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[a1f17d4] | 168 | if( !fp ) return STORAGE_OTHER_ERROR; |
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[1ee6c18] | 169 | for( n = irc->nicks; n; n = n->next ) |
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| 170 | { |
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| 171 | strcpy( s, n->handle ); |
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| 172 | s[169] = 0; /* Prevent any overflow (169 ~ 512 / 3) */ |
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| 173 | http_encode( s ); |
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[703f0f7] | 174 | g_snprintf( s + strlen( s ), 510 - strlen( s ), " %d %s", find_protocol_id(n->proto->name), n->nick ); |
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[1ee6c18] | 175 | if( fprintf( fp, "%s\n", s ) != strlen( s ) + 1 ) |
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| 176 | { |
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| 177 | irc_usermsg( irc, "fprintf() wrote too little. Disk full?" ); |
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| 178 | fclose( fp ); |
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[a1f17d4] | 179 | return STORAGE_OTHER_ERROR; |
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[1ee6c18] | 180 | } |
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| 181 | } |
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| 182 | if( fclose( fp ) != 0 ) |
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| 183 | { |
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| 184 | irc_usermsg( irc, "fclose() reported an error. Disk full?" ); |
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[a1f17d4] | 185 | return STORAGE_OTHER_ERROR; |
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[1ee6c18] | 186 | } |
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| 187 | |
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| 188 | g_snprintf( new_path, 512, "%s%s%s", global.conf->configdir, irc->nick, ".nicks" ); |
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| 189 | if( unlink( new_path ) != 0 ) |
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| 190 | { |
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| 191 | if( errno != ENOENT ) |
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| 192 | { |
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| 193 | irc_usermsg( irc, "Error while removing old .nicks file" ); |
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[a1f17d4] | 194 | return STORAGE_OTHER_ERROR; |
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[1ee6c18] | 195 | } |
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| 196 | } |
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| 197 | if( rename( path, new_path ) != 0 ) |
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| 198 | { |
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| 199 | irc_usermsg( irc, "Error while renaming new .nicks file" ); |
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[a1f17d4] | 200 | return STORAGE_OTHER_ERROR; |
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[1ee6c18] | 201 | } |
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| 202 | |
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| 203 | g_snprintf( path, 511, "%s%s%s", global.conf->configdir, irc->nick, ".accounts~" ); |
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| 204 | fp = fopen( path, "w" ); |
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[a1f17d4] | 205 | if( !fp ) return STORAGE_OTHER_ERROR; |
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[1ee6c18] | 206 | if( fprintf( fp, "%s", hash ) != strlen( hash ) ) |
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| 207 | { |
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| 208 | irc_usermsg( irc, "fprintf() wrote too little. Disk full?" ); |
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| 209 | fclose( fp ); |
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[a1f17d4] | 210 | return STORAGE_OTHER_ERROR; |
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[1ee6c18] | 211 | } |
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| 212 | g_free( hash ); |
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| 213 | |
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| 214 | for( a = irc->accounts; a; a = a->next ) |
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| 215 | { |
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[703f0f7] | 216 | if( !strcmp(a->prpl->name, "oscar") ) |
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[1ee6c18] | 217 | g_snprintf( s, sizeof( s ), "account add oscar \"%s\" \"%s\" %s", a->user, a->pass, a->server ); |
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| 218 | else |
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| 219 | g_snprintf( s, sizeof( s ), "account add %s \"%s\" \"%s\" \"%s\"", |
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[703f0f7] | 220 | a->prpl->name, a->user, a->pass, a->server ? a->server : "" ); |
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[1ee6c18] | 221 | |
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[b73ac9c] | 222 | line = obfucrypt( s, irc->password ); |
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[1ee6c18] | 223 | if( *line ) |
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| 224 | { |
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| 225 | if( fprintf( fp, "%s\n", line ) != strlen( line ) + 1 ) |
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| 226 | { |
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| 227 | irc_usermsg( irc, "fprintf() wrote too little. Disk full?" ); |
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| 228 | fclose( fp ); |
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[a1f17d4] | 229 | return STORAGE_OTHER_ERROR; |
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[1ee6c18] | 230 | } |
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| 231 | } |
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| 232 | g_free( line ); |
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| 233 | } |
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| 234 | |
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| 235 | for( set = irc->set; set; set = set->next ) |
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| 236 | { |
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| 237 | if( set->value && set->def ) |
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| 238 | { |
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| 239 | g_snprintf( s, sizeof( s ), "set %s \"%s\"", set->key, set->value ); |
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[b73ac9c] | 240 | line = obfucrypt( s, irc->password ); |
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[1ee6c18] | 241 | if( *line ) |
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| 242 | { |
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| 243 | if( fprintf( fp, "%s\n", line ) != strlen( line ) + 1 ) |
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| 244 | { |
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| 245 | irc_usermsg( irc, "fprintf() wrote too little. Disk full?" ); |
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| 246 | fclose( fp ); |
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[a1f17d4] | 247 | return STORAGE_OTHER_ERROR; |
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[1ee6c18] | 248 | } |
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| 249 | } |
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| 250 | g_free( line ); |
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| 251 | } |
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| 252 | } |
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| 253 | |
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| 254 | if( strcmp( irc->mynick, ROOT_NICK ) != 0 ) |
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| 255 | { |
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| 256 | g_snprintf( s, sizeof( s ), "rename %s %s", ROOT_NICK, irc->mynick ); |
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[b73ac9c] | 257 | line = obfucrypt( s, irc->password ); |
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[1ee6c18] | 258 | if( *line ) |
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| 259 | { |
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| 260 | if( fprintf( fp, "%s\n", line ) != strlen( line ) + 1 ) |
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| 261 | { |
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| 262 | irc_usermsg( irc, "fprintf() wrote too little. Disk full?" ); |
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| 263 | fclose( fp ); |
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[a1f17d4] | 264 | return STORAGE_OTHER_ERROR; |
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[1ee6c18] | 265 | } |
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| 266 | } |
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| 267 | g_free( line ); |
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| 268 | } |
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| 269 | if( fclose( fp ) != 0 ) |
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| 270 | { |
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| 271 | irc_usermsg( irc, "fclose() reported an error. Disk full?" ); |
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[a1f17d4] | 272 | return STORAGE_OTHER_ERROR; |
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[1ee6c18] | 273 | } |
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| 274 | |
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| 275 | g_snprintf( new_path, 512, "%s%s%s", global.conf->configdir, irc->nick, ".accounts" ); |
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| 276 | if( unlink( new_path ) != 0 ) |
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| 277 | { |
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| 278 | if( errno != ENOENT ) |
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| 279 | { |
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| 280 | irc_usermsg( irc, "Error while removing old .accounts file" ); |
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[a1f17d4] | 281 | return STORAGE_OTHER_ERROR; |
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[1ee6c18] | 282 | } |
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| 283 | } |
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| 284 | if( rename( path, new_path ) != 0 ) |
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| 285 | { |
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| 286 | irc_usermsg( irc, "Error while renaming new .accounts file" ); |
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[a1f17d4] | 287 | return STORAGE_OTHER_ERROR; |
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[1ee6c18] | 288 | } |
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| 289 | |
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| 290 | umask( ou ); |
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| 291 | |
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[a1f17d4] | 292 | return STORAGE_OK; |
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[1ee6c18] | 293 | } |
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| 294 | |
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[7989fcf3] | 295 | static storage_status_t text_check_pass( const char *nick, const char *password ) |
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[1ee6c18] | 296 | { |
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| 297 | char s[512]; |
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| 298 | FILE *fp; |
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| 299 | |
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[b73ac9c] | 300 | g_snprintf( s, 511, "%s%s%s", global.conf->configdir, nick, ".accounts" ); |
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[1ee6c18] | 301 | fp = fopen( s, "r" ); |
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[a1f17d4] | 302 | if (!fp) |
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| 303 | return STORAGE_NO_SUCH_USER; |
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[1ee6c18] | 304 | |
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| 305 | fscanf( fp, "%32[^\n]s", s ); |
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| 306 | fclose( fp ); |
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| 307 | |
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[7cad7b4] | 308 | if (checkpass( password, s) == -1) |
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| 309 | return STORAGE_INVALID_PASSWORD; |
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[a1f17d4] | 310 | |
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[7989fcf3] | 311 | return STORAGE_OK; |
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| 312 | } |
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| 313 | |
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| 314 | static storage_status_t text_remove( const char *nick, const char *password ) |
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| 315 | { |
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| 316 | char s[512]; |
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| 317 | storage_status_t status; |
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| 318 | |
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| 319 | status = text_check_pass( nick, password ); |
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| 320 | if (status != STORAGE_OK) |
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| 321 | return status; |
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| 322 | |
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[a1f17d4] | 323 | g_snprintf( s, 511, "%s%s%s", global.conf->configdir, nick, ".accounts" ); |
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| 324 | if (unlink( s ) == -1) |
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| 325 | return STORAGE_OTHER_ERROR; |
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| 326 | |
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| 327 | g_snprintf( s, 511, "%s%s%s", global.conf->configdir, nick, ".nicks" ); |
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| 328 | if (unlink( s ) == -1) |
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| 329 | return STORAGE_OTHER_ERROR; |
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| 330 | |
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| 331 | return STORAGE_OK; |
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[1ee6c18] | 332 | } |
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| 333 | |
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| 334 | storage_t storage_text = { |
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| 335 | .name = "text", |
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| 336 | .init = text_init, |
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[7989fcf3] | 337 | .check_pass = text_check_pass, |
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[1ee6c18] | 338 | .remove = text_remove, |
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| 339 | .load = text_load, |
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| 340 | .save = text_save |
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| 341 | }; |
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