onak-conf.c

   1 /*
   2  * onak-conf.c - Routines related to runtime config.
   3  *
   4  * Copyright 2002 Jonathan McDowell <noodles@earth.li>
   5  *
   6  * This program is free software: you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the Free
   8  * Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along with
  16  * this program; if not, write to the Free Software Foundation, Inc., 51
  17  * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #include "config.h"
  21
  22 #include <ctype.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include "ll.h"
  28 #include "log.h"
  29 #include "onak-conf.h"
  30
  31 extern struct dbfuncs DBFUNCS;
  32
  33 /*
  34  *      config - Runtime configuration for onak.
  35  *
  36  *      This is the default config; normally overridden with values from the
  37  *      config file.
  38  */
  39 struct onak_config config = {
  40         128,                    /* maxkeys */
  41         NULL,                   /* thissite */
  42         NULL,                   /* adminemail */
  43         NULL,                   /* mta */
  44         NULL,                   /* syncsites */
  45         NULL,                   /* logfile */
  46
  47         false,                  /* use_keyd */
  48
  49         /*
  50          * Options for directory backends.
  51          */
  52         NULL,                   /* db_dir */
  53
  54         /*
  55          * Options for the Postgres backend.
  56          */
  57         NULL,                   /* pg_dbhost */
  58         NULL,                   /* pg_dbname */
  59         NULL,                   /* pg_dbuser */
  60         NULL,                   /* pg_dbpass */
  61
  62         /*
  63          * Options for dynamic backends.
  64          */
  65         NULL,                   /* db_backend */
  66         NULL,                   /* backends_dir */
  67
  68         &DBFUNCS,               /* Default dbfuncs struct */
  69 };
  70
  71 bool parsebool(char *str, bool fallback)
  72 {
  73         if (!strcasecmp(str, "false") || !strcasecmp(str, "no") ||
  74                         !strcasecmp(str, "0")) {
  75                 return false;
  76         } else if (!strcasecmp(str, "true") || !strcasecmp(str, "yes") ||
  77                         !strcasecmp(str, "1")) {
  78                 return true;
  79         } else {
  80                 logthing(LOGTHING_CRITICAL,
  81                         "Couldn't parse %s as a boolean config variable, "
  82                         "returning fallback of '%s'.",
  83                         str,
  84                         fallback ? "true" : "false");
  85                 return fallback;
  86         }
  87 }
  88
  89 void readconfig(const char *configfile) {
  90         FILE *conffile;
  91         char  curline[1024];
  92         int   i;
  93
  94         curline[1023] = 0;
  95         if (configfile == NULL) {
  96                 conffile = fopen(CONFIGFILE, "r");
  97         } else {
  98                 conffile = fopen(configfile, "r");
  99         }
 100         if (conffile != NULL) {
 101                 fgets(curline, 1023, conffile);
 102
 103                 while (!feof(conffile)) {
 104                         for (i = strlen(curline) - 1;
 105                                         i >= 0 && isspace(curline[i]);
 106                                         i--) {
 107                                 curline[i] = 0;
 108                         }
 109
 110                 if (curline[0] == '#' || curline[0] == 0) {
 111                         /*
 112                          * Comment line, ignore.
 113                          */
 114                 } else if (!strncmp("db_dir ", curline, 7)) {
 115                         config.db_dir = strdup(&curline[7]);
 116                 } else if (!strncmp("debug ", curline, 6)) {
 117                         /*
 118                          * Not supported yet; ignore for compatibility with
 119                          * pksd.
 120                          */
 121                 } else if (!strncmp("default_language ", curline, 17)) {
 122                         /*
 123                          * Not supported yet; ignore for compatibility with
 124                          * pksd.
 125                          */
 126                 } else if (!strncmp("mail_delivery_client ", curline, 21)) {
 127                         config.mta = strdup(&curline[21]);
 128                 } else if (!strncmp("maintainer_email ", curline, 17)) {
 129                         config.adminemail = strdup(&curline[17]);
 130                 } else if (!strncmp("mail_intro_file ", curline, 16)) {
 131                         /*
 132                          * Not supported yet; ignore for compatibility with
 133                          * pksd.
 134                          */
 135                 } else if (!strncmp("help_dir ", curline, 9)) {
 136                         /*
 137                          * Not supported yet; ignore for compatibility with
 138                          * pksd.
 139                          */
 140                 } else if (!strncmp("max_last ", curline, 9)) {
 141                         /*
 142                          * Not supported yet; ignore for compatibility with
 143                          * pksd.
 144                          */
 145                 } else if (!strncmp("max_reply_keys ", curline, 15)) {
 146                         config.maxkeys = atoi(&curline[15]);
 147                 } else if (!strncmp("pg_dbhost ", curline, 10)) {
 148                         config.pg_dbhost = strdup(&curline[10]);
 149                 } else if (!strncmp("pg_dbname ", curline, 10)) {
 150                         config.pg_dbname = strdup(&curline[10]);
 151                 } else if (!strncmp("pg_dbuser ", curline, 10)) {
 152                         config.pg_dbuser = strdup(&curline[10]);
 153                 } else if (!strncmp("pg_dbpass ", curline, 10)) {
 154                         config.pg_dbpass = strdup(&curline[10]);
 155                 } else if (!strncmp("syncsite ", curline, 9)) {
 156                         config.syncsites =
 157                                 lladd(config.syncsites, strdup(&curline[9]));
 158                 } else if (!strncmp("logfile ", curline, 8)) {
 159                         config.logfile = strdup(&curline[8]);
 160                 } else if (!strncmp("loglevel ", curline, 9)) {
 161                         setlogthreshold(atoi(&curline[9]));
 162                 } else if (!strncmp("this_site ", curline, 10)) {
 163                         config.thissite = strdup(&curline[10]);
 164                 } else if (!strncmp("socket_name ", curline, 12) ||
 165                                 !strncmp("pks_bin_dir ", curline, 12) ||
 166                                 !strncmp("mail_dir ", curline, 9) ||
 167                                 !strncmp("www_port ", curline, 9)) {
 168                         /*
 169                          * Not applicable; ignored for compatibility with pksd.
 170                          */
 171                 } else if (!strncmp("db_backend ", curline, 11)) {
 172                         config.db_backend = strdup(&curline[11]);
 173                 } else if (!strncmp("backends_dir ", curline, 13)) {
 174                         config.backends_dir = strdup(&curline[13]);
 175                 } else if (!strncmp("use_keyd ", curline, 9)) {
 176                         config.use_keyd = parsebool(&curline[9],
 177                                                 config.use_keyd);
 178                 } else {
 179                         logthing(LOGTHING_ERROR,
 180                                 "Unknown config line: %s", curline);
 181                 }
 182
 183                         fgets(curline, 1023, conffile);
 184                 }
 185                 fclose(conffile);
 186         } else {
 187                 logthing(LOGTHING_NOTICE,
 188                                 "Couldn't open config file; using defaults.");
 189         }
 190 }
 191
 192 void cleanupconfig(void) {
 193         if (config.thissite != NULL) {
 194                 free(config.thissite);
 195                 config.thissite = NULL;
 196         }
 197         if (config.adminemail != NULL) {
 198                 free(config.adminemail);
 199                 config.adminemail = NULL;
 200         }
 201         if (config.mta != NULL) {
 202                 free(config.mta);
 203                 config.mta = NULL;
 204         }
 205         if (config.db_dir != NULL) {
 206                 free(config.db_dir);
 207                 config.db_dir = NULL;
 208         }
 209         if (config.pg_dbhost != NULL) {
 210                 free(config.pg_dbhost);
 211                 config.pg_dbhost = NULL;
 212         }
 213         if (config.pg_dbname != NULL) {
 214                 free(config.pg_dbname);
 215                 config.pg_dbname = NULL;
 216         }
 217         if (config.pg_dbuser != NULL) {
 218                 free(config.pg_dbuser);
 219                 config.pg_dbuser = NULL;
 220         }
 221         if (config.pg_dbpass != NULL) {
 222                 free(config.pg_dbpass);
 223                 config.pg_dbpass = NULL;
 224         }
 225         if (config.syncsites != NULL) {
 226                 llfree(config.syncsites, free);
 227                 config.syncsites = NULL;
 228         }
 229         if (config.logfile != NULL) {
 230                 free(config.logfile);
 231                 config.logfile = NULL;
 232         }
 233         if (config.db_backend != NULL) {
 234                 free(config.db_backend);
 235                 config.db_backend = NULL;
 236         }
 237         if (config.backends_dir != NULL) {
 238                 free(config.backends_dir);
 239                 config.backends_dir = NULL;
 240         }
 241 }