[b7d3cc34] | 1 | /********************************************************************\ |
---|
| 2 | * BitlBee -- An IRC to other IM-networks gateway * |
---|
| 3 | * * |
---|
[03886fc] | 4 | * Copyright 2002-2013 Wilmer van der Gaast and others * |
---|
[b7d3cc34] | 5 | \********************************************************************/ |
---|
| 6 | |
---|
| 7 | /* Some stuff to register, handle and save user preferences */ |
---|
| 8 | |
---|
| 9 | /* |
---|
| 10 | This program is free software; you can redistribute it and/or modify |
---|
| 11 | it under the terms of the GNU General Public License as published by |
---|
| 12 | the Free Software Foundation; either version 2 of the License, or |
---|
| 13 | (at your option) any later version. |
---|
| 14 | |
---|
| 15 | This program is distributed in the hope that it will be useful, |
---|
| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
| 18 | GNU General Public License for more details. |
---|
| 19 | |
---|
| 20 | You should have received a copy of the GNU General Public License with |
---|
| 21 | the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; |
---|
| 22 | if not, write to the Free Software Foundation, Inc., 59 Temple Place, |
---|
| 23 | Suite 330, Boston, MA 02111-1307 USA |
---|
| 24 | */ |
---|
[03886fc] | 25 | |
---|
[b7d3cc34] | 26 | #define BITLBEE_CORE |
---|
| 27 | #include "bitlbee.h" |
---|
| 28 | |
---|
[7125cb3] | 29 | /* Used to use NULL for this, but NULL is actually a "valid" value. */ |
---|
| 30 | char *SET_INVALID = "nee"; |
---|
| 31 | |
---|
[0f7ee7e5] | 32 | set_t *set_add( set_t **head, const char *key, const char *def, set_eval eval, void *data ) |
---|
[b7d3cc34] | 33 | { |
---|
[5c9512f] | 34 | set_t *s = set_find( head, key ); |
---|
[b7d3cc34] | 35 | |
---|
[5c9512f] | 36 | /* Possibly the setting already exists. If it doesn't exist yet, |
---|
| 37 | we create it. If it does, we'll just change the default. */ |
---|
[b7d3cc34] | 38 | if( !s ) |
---|
| 39 | { |
---|
[5c9512f] | 40 | if( ( s = *head ) ) |
---|
[b7d3cc34] | 41 | { |
---|
[03886fc] | 42 | /* Sorted insertion. Special-case insertion at the start. */ |
---|
| 43 | if( strcmp( key, s->key ) < 0 ) |
---|
| 44 | { |
---|
| 45 | s = g_new0( set_t, 1 ); |
---|
| 46 | s->next = *head; |
---|
| 47 | *head = s; |
---|
| 48 | } |
---|
| 49 | else |
---|
| 50 | { |
---|
| 51 | while( s->next && strcmp( key, s->next->key ) > 0 ) |
---|
| 52 | s = s->next; |
---|
| 53 | set_t *last_next = s->next; |
---|
| 54 | s->next = g_new0( set_t, 1 ); |
---|
| 55 | s = s->next; |
---|
| 56 | s->next = last_next; |
---|
| 57 | } |
---|
[b7d3cc34] | 58 | } |
---|
| 59 | else |
---|
| 60 | { |
---|
[5c9512f] | 61 | s = *head = g_new0( set_t, 1 ); |
---|
[b7d3cc34] | 62 | } |
---|
| 63 | s->key = g_strdup( key ); |
---|
| 64 | } |
---|
| 65 | |
---|
| 66 | if( s->def ) |
---|
| 67 | { |
---|
| 68 | g_free( s->def ); |
---|
| 69 | s->def = NULL; |
---|
| 70 | } |
---|
| 71 | if( def ) s->def = g_strdup( def ); |
---|
| 72 | |
---|
[5c9512f] | 73 | s->eval = eval; |
---|
| 74 | s->data = data; |
---|
[b7d3cc34] | 75 | |
---|
[5c9512f] | 76 | return s; |
---|
[b7d3cc34] | 77 | } |
---|
| 78 | |
---|
[b74b287] | 79 | set_t *set_find( set_t **head, const char *key ) |
---|
[b7d3cc34] | 80 | { |
---|
[5c9512f] | 81 | set_t *s = *head; |
---|
[b7d3cc34] | 82 | |
---|
| 83 | while( s ) |
---|
| 84 | { |
---|
[88eaf4b] | 85 | if( g_strcasecmp( s->key, key ) == 0 || |
---|
| 86 | ( s->old_key && g_strcasecmp( s->old_key, key ) == 0 ) ) |
---|
[b7d3cc34] | 87 | break; |
---|
| 88 | s = s->next; |
---|
| 89 | } |
---|
| 90 | |
---|
[5c9512f] | 91 | return s; |
---|
[b7d3cc34] | 92 | } |
---|
| 93 | |
---|
[b74b287] | 94 | char *set_getstr( set_t **head, const char *key ) |
---|
[b7d3cc34] | 95 | { |
---|
[5c9512f] | 96 | set_t *s = set_find( head, key ); |
---|
[b7d3cc34] | 97 | |
---|
| 98 | if( !s || ( !s->value && !s->def ) ) |
---|
[5c9512f] | 99 | return NULL; |
---|
[b7d3cc34] | 100 | |
---|
[ce199b7] | 101 | return set_value( s ); |
---|
[b7d3cc34] | 102 | } |
---|
| 103 | |
---|
[b74b287] | 104 | int set_getint( set_t **head, const char *key ) |
---|
[b7d3cc34] | 105 | { |
---|
[5c9512f] | 106 | char *s = set_getstr( head, key ); |
---|
[b7d3cc34] | 107 | int i = 0; |
---|
| 108 | |
---|
| 109 | if( !s ) |
---|
[5c9512f] | 110 | return 0; |
---|
[b7d3cc34] | 111 | |
---|
| 112 | if( sscanf( s, "%d", &i ) != 1 ) |
---|
[5c9512f] | 113 | return 0; |
---|
[b7d3cc34] | 114 | |
---|
[5c9512f] | 115 | return i; |
---|
[b7d3cc34] | 116 | } |
---|
| 117 | |
---|
[b74b287] | 118 | int set_getbool( set_t **head, const char *key ) |
---|
[5100caa] | 119 | { |
---|
| 120 | char *s = set_getstr( head, key ); |
---|
| 121 | |
---|
| 122 | if( !s ) |
---|
| 123 | return 0; |
---|
| 124 | |
---|
| 125 | return bool2int( s ); |
---|
| 126 | } |
---|
| 127 | |
---|
[06b5893] | 128 | int set_isvisible( set_t *set ) |
---|
| 129 | { |
---|
| 130 | /* the default value is not stored in value, only in def */ |
---|
| 131 | return !( ( set->flags & SET_HIDDEN ) || |
---|
| 132 | ( ( set->flags & SET_HIDDEN_DEFAULT ) && |
---|
| 133 | ( set->value == NULL ) ) ); |
---|
| 134 | } |
---|
| 135 | |
---|
[b74b287] | 136 | int set_setstr( set_t **head, const char *key, char *value ) |
---|
[b7d3cc34] | 137 | { |
---|
[5c9512f] | 138 | set_t *s = set_find( head, key ); |
---|
[b7d3cc34] | 139 | char *nv = value; |
---|
| 140 | |
---|
| 141 | if( !s ) |
---|
[7125cb3] | 142 | /* |
---|
| 143 | Used to do this, but it never really made sense. |
---|
[5c9512f] | 144 | s = set_add( head, key, NULL, NULL, NULL ); |
---|
[7125cb3] | 145 | */ |
---|
| 146 | return 0; |
---|
[b7d3cc34] | 147 | |
---|
[7125cb3] | 148 | if( value == NULL && ( s->flags & SET_NULL_OK ) == 0 ) |
---|
| 149 | return 0; |
---|
| 150 | |
---|
| 151 | /* Call the evaluator. For invalid values, evaluators should now |
---|
| 152 | return SET_INVALID, but previously this was NULL. Try to handle |
---|
| 153 | that too if NULL is not an allowed value for this setting. */ |
---|
| 154 | if( s->eval && ( ( nv = s->eval( s, value ) ) == SET_INVALID || |
---|
| 155 | ( ( s->flags & SET_NULL_OK ) == 0 && nv == NULL ) ) ) |
---|
[5c9512f] | 156 | return 0; |
---|
[b7d3cc34] | 157 | |
---|
| 158 | if( s->value ) |
---|
| 159 | { |
---|
| 160 | g_free( s->value ); |
---|
| 161 | s->value = NULL; |
---|
| 162 | } |
---|
| 163 | |
---|
[5c9512f] | 164 | /* If there's a default setting and it's equal to what we're trying to |
---|
| 165 | set, stick with s->value = NULL. Otherwise, remember the setting. */ |
---|
[b7d3cc34] | 166 | if( !s->def || ( strcmp( nv, s->def ) != 0 ) ) |
---|
| 167 | s->value = g_strdup( nv ); |
---|
| 168 | |
---|
| 169 | if( nv != value ) |
---|
| 170 | g_free( nv ); |
---|
| 171 | |
---|
[5c9512f] | 172 | return 1; |
---|
[b7d3cc34] | 173 | } |
---|
| 174 | |
---|
[b74b287] | 175 | int set_setint( set_t **head, const char *key, int value ) |
---|
[b7d3cc34] | 176 | { |
---|
| 177 | char s[24]; /* Not quite 128-bit clean eh? ;-) */ |
---|
| 178 | |
---|
[5c9512f] | 179 | g_snprintf( s, sizeof( s ), "%d", value ); |
---|
| 180 | return set_setstr( head, key, s ); |
---|
[b7d3cc34] | 181 | } |
---|
| 182 | |
---|
[b74b287] | 183 | void set_del( set_t **head, const char *key ) |
---|
[b7d3cc34] | 184 | { |
---|
[5c9512f] | 185 | set_t *s = *head, *t = NULL; |
---|
[b7d3cc34] | 186 | |
---|
| 187 | while( s ) |
---|
| 188 | { |
---|
| 189 | if( g_strcasecmp( s->key, key ) == 0 ) |
---|
| 190 | break; |
---|
| 191 | s = (t=s)->next; |
---|
| 192 | } |
---|
| 193 | if( s ) |
---|
| 194 | { |
---|
[dd89a55] | 195 | if( t ) |
---|
| 196 | t->next = s->next; |
---|
| 197 | else |
---|
[5c9512f] | 198 | *head = s->next; |
---|
[dd89a55] | 199 | |
---|
[b7d3cc34] | 200 | g_free( s->key ); |
---|
[88eaf4b] | 201 | g_free( s->old_key ); |
---|
| 202 | g_free( s->value ); |
---|
| 203 | g_free( s->def ); |
---|
[b7d3cc34] | 204 | g_free( s ); |
---|
| 205 | } |
---|
| 206 | } |
---|
| 207 | |
---|
[b74b287] | 208 | int set_reset( set_t **head, const char *key ) |
---|
[cd428e4] | 209 | { |
---|
| 210 | set_t *s; |
---|
| 211 | |
---|
| 212 | s = set_find( head, key ); |
---|
| 213 | if( s ) |
---|
[f3579fd] | 214 | return set_setstr( head, key, s->def ); |
---|
| 215 | |
---|
| 216 | return 0; |
---|
[cd428e4] | 217 | } |
---|
| 218 | |
---|
[5c9512f] | 219 | char *set_eval_int( set_t *set, char *value ) |
---|
[b7d3cc34] | 220 | { |
---|
[6237ded] | 221 | char *s = value; |
---|
[b7d3cc34] | 222 | |
---|
[5eec897] | 223 | /* Allow a minus at the first position. */ |
---|
| 224 | if( *s == '-' ) |
---|
| 225 | s ++; |
---|
| 226 | |
---|
[6237ded] | 227 | for( ; *s; s ++ ) |
---|
[5100caa] | 228 | if( !isdigit( *s ) ) |
---|
[7125cb3] | 229 | return SET_INVALID; |
---|
[b7d3cc34] | 230 | |
---|
[5c9512f] | 231 | return value; |
---|
[b7d3cc34] | 232 | } |
---|
| 233 | |
---|
[5c9512f] | 234 | char *set_eval_bool( set_t *set, char *value ) |
---|
[b7d3cc34] | 235 | { |
---|
[7125cb3] | 236 | return is_bool( value ) ? value : SET_INVALID; |
---|
[b7d3cc34] | 237 | } |
---|
| 238 | |
---|
[56244c0] | 239 | char *set_eval_list( set_t *set, char *value ) |
---|
| 240 | { |
---|
| 241 | GSList *options = set->eval_data, *opt; |
---|
| 242 | |
---|
| 243 | for( opt = options; opt; opt = opt->next ) |
---|
| 244 | if( strcmp( value, opt->data ) == 0 ) |
---|
| 245 | return value; |
---|
| 246 | |
---|
| 247 | /* TODO: It'd be nice to show the user a list of allowed values, |
---|
| 248 | but we don't have enough context here to do that. May |
---|
| 249 | want to fix that. */ |
---|
| 250 | |
---|
| 251 | return NULL; |
---|
| 252 | } |
---|
| 253 | |
---|
[5c9512f] | 254 | char *set_eval_to_char( set_t *set, char *value ) |
---|
[b7d3cc34] | 255 | { |
---|
| 256 | char *s = g_new( char, 3 ); |
---|
| 257 | |
---|
| 258 | if( *value == ' ' ) |
---|
| 259 | strcpy( s, " " ); |
---|
| 260 | else |
---|
| 261 | sprintf( s, "%c ", *value ); |
---|
| 262 | |
---|
[5c9512f] | 263 | return s; |
---|
[b7d3cc34] | 264 | } |
---|
| 265 | |
---|
[ce199b7] | 266 | char *set_eval_oauth( set_t *set, char *value ) |
---|
[b7d3cc34] | 267 | { |
---|
[ce199b7] | 268 | account_t *acc = set->data; |
---|
[b7d3cc34] | 269 | |
---|
[ce199b7] | 270 | if( bool2int( value ) && strcmp( acc->pass, PASSWORD_PENDING ) == 0 ) |
---|
| 271 | *acc->pass = '\0'; |
---|
| 272 | |
---|
| 273 | return set_eval_bool( set, value ); |
---|
[b7d3cc34] | 274 | } |
---|