onak-conf.c

   1 /*
   2  * onak-conf.c - Routines related to runtime config.
   3  *
   4  * Jonathan McDowell <noodles@earth.li>
   5  *
   6  * Copyright 2002 Project Purple
   7  */
   8
   9 #include "config.h"
  10
  11 #include <ctype.h>
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <string.h>
  15
  16 #include "ll.h"
  17 #include "log.h"
  18 #include "onak-conf.h"
  19
  20 extern struct dbfuncs DBFUNCS;
  21
  22 /*
  23  *      config - Runtime configuration for onak.
  24  *
  25  *      This is the default config; normally overridden with values from the
  26  *      config file.
  27  */
  28 struct onak_config config = {
  29         128,                    /* maxkeys */
  30         NULL,                   /* thissite */
  31         NULL,                   /* adminemail */
  32         NULL,                   /* mta */
  33         NULL,                   /* syncsites */
  34         NULL,                   /* logfile */
  35
  36         false,                  /* use_keyd */
  37
  38         /*
  39          * Options for directory backends.
  40          */
  41         NULL,                   /* db_dir */
  42
  43         /*
  44          * Options for the Postgres backend.
  45          */
  46         NULL,                   /* pg_dbhost */
  47         NULL,                   /* pg_dbname */
  48         NULL,                   /* pg_dbuser */
  49         NULL,                   /* pg_dbpass */
  50
  51         /*
  52          * Options for dynamic backends.
  53          */
  54         NULL,                   /* db_backend */
  55         NULL,                   /* backends_dir */
  56
  57         &DBFUNCS,               /* Default dbfuncs struct */
  58 };
  59
  60 bool parsebool(char *str, bool fallback)
  61 {
  62         if (!strcasecmp(str, "false") || !strcasecmp(str, "no") ||
  63                         !strcasecmp(str, "0")) {
  64                 return false;
  65         } else if (!strcasecmp(str, "true") || !strcasecmp(str, "yes") ||
  66                         !strcasecmp(str, "1")) {
  67                 return true;
  68         } else {
  69                 logthing(LOGTHING_CRITICAL,
  70                         "Couldn't parse %s as a boolean config variable, "
  71                         "returning fallback of '%s'.",
  72                         str,
  73                         fallback ? "true" : "false");
  74                 return fallback;
  75         }
  76 }
  77
  78 void readconfig(const char *configfile) {
  79         FILE *conffile;
  80         char  curline[1024];
  81         int   i;
  82
  83         curline[1023] = 0;
  84         if (configfile == NULL) {
  85                 conffile = fopen(CONFIGFILE, "r");
  86         } else {
  87                 conffile = fopen(configfile, "r");
  88         }
  89         if (conffile != NULL) {
  90                 fgets(curline, 1023, conffile);
  91
  92                 while (!feof(conffile)) {
  93                         for (i = strlen(curline) - 1;
  94                                         i >= 0 && isspace(curline[i]);
  95                                         i--) {
  96                                 curline[i] = 0;
  97                         }
  98
  99                 if (curline[0] == '#' || curline[0] == 0) {
 100                         /*
 101                          * Comment line, ignore.
 102                          */
 103                 } else if (!strncmp("db_dir ", curline, 7)) {
 104                         config.db_dir = strdup(&curline[7]);
 105                 } else if (!strncmp("debug ", curline, 6)) {
 106                         /*
 107                          * Not supported yet; ignore for compatibility with
 108                          * pksd.
 109                          */
 110                 } else if (!strncmp("default_language ", curline, 17)) {
 111                         /*
 112                          * Not supported yet; ignore for compatibility with
 113                          * pksd.
 114                          */
 115                 } else if (!strncmp("mail_delivery_client ", curline, 21)) {
 116                         config.mta = strdup(&curline[21]);
 117                 } else if (!strncmp("maintainer_email ", curline, 17)) {
 118                         config.adminemail = strdup(&curline[17]);
 119                 } else if (!strncmp("mail_intro_file ", curline, 16)) {
 120                         /*
 121                          * Not supported yet; ignore for compatibility with
 122                          * pksd.
 123                          */
 124                 } else if (!strncmp("help_dir ", curline, 9)) {
 125                         /*
 126                          * Not supported yet; ignore for compatibility with
 127                          * pksd.
 128                          */
 129                 } else if (!strncmp("max_last ", curline, 9)) {
 130                         /*
 131                          * Not supported yet; ignore for compatibility with
 132                          * pksd.
 133                          */
 134                 } else if (!strncmp("max_reply_keys ", curline, 15)) {
 135                         config.maxkeys = atoi(&curline[15]);
 136                 } else if (!strncmp("pg_dbhost ", curline, 10)) {
 137                         config.pg_dbhost = strdup(&curline[10]);
 138                 } else if (!strncmp("pg_dbname ", curline, 10)) {
 139                         config.pg_dbname = strdup(&curline[10]);
 140                 } else if (!strncmp("pg_dbuser ", curline, 10)) {
 141                         config.pg_dbuser = strdup(&curline[10]);
 142                 } else if (!strncmp("pg_dbpass ", curline, 10)) {
 143                         config.pg_dbpass = strdup(&curline[10]);
 144                 } else if (!strncmp("syncsite ", curline, 9)) {
 145                         config.syncsites =
 146                                 lladd(config.syncsites, strdup(&curline[9]));
 147                 } else if (!strncmp("logfile ", curline, 8)) {
 148                         config.logfile = strdup(&curline[8]);
 149                 } else if (!strncmp("loglevel ", curline, 9)) {
 150                         setlogthreshold(atoi(&curline[9]));
 151                 } else if (!strncmp("this_site ", curline, 10)) {
 152                         config.thissite = strdup(&curline[10]);
 153                 } else if (!strncmp("socket_name ", curline, 12) ||
 154                                 !strncmp("pks_bin_dir ", curline, 12) ||
 155                                 !strncmp("mail_dir ", curline, 9) ||
 156                                 !strncmp("www_port ", curline, 9)) {
 157                         /*
 158                          * Not applicable; ignored for compatibility with pksd.
 159                          */
 160                 } else if (!strncmp("db_backend ", curline, 11)) {
 161                         config.db_backend = strdup(&curline[11]);
 162                 } else if (!strncmp("backends_dir ", curline, 13)) {
 163                         config.backends_dir = strdup(&curline[13]);
 164                 } else if (!strncmp("use_keyd ", curline, 9)) {
 165                         config.use_keyd = parsebool(&curline[9],
 166                                                 config.use_keyd);
 167                 } else {
 168                         logthing(LOGTHING_ERROR,
 169                                 "Unknown config line: %s", curline);
 170                 }
 171
 172                         fgets(curline, 1023, conffile);
 173                 }
 174                 fclose(conffile);
 175         } else {
 176                 logthing(LOGTHING_NOTICE,
 177                                 "Couldn't open config file; using defaults.");
 178         }
 179 }
 180
 181 void cleanupconfig(void) {
 182         if (config.thissite != NULL) {
 183                 free(config.thissite);
 184                 config.thissite = NULL;
 185         }
 186         if (config.adminemail != NULL) {
 187                 free(config.adminemail);
 188                 config.adminemail = NULL;
 189         }
 190         if (config.mta != NULL) {
 191                 free(config.mta);
 192                 config.mta = NULL;
 193         }
 194         if (config.db_dir != NULL) {
 195                 free(config.db_dir);
 196                 config.db_dir = NULL;
 197         }
 198         if (config.pg_dbhost != NULL) {
 199                 free(config.pg_dbhost);
 200                 config.pg_dbhost = NULL;
 201         }
 202         if (config.pg_dbname != NULL) {
 203                 free(config.pg_dbname);
 204                 config.pg_dbname = NULL;
 205         }
 206         if (config.pg_dbuser != NULL) {
 207                 free(config.pg_dbuser);
 208                 config.pg_dbuser = NULL;
 209         }
 210         if (config.pg_dbpass != NULL) {
 211                 free(config.pg_dbpass);
 212                 config.pg_dbpass = NULL;
 213         }
 214         if (config.syncsites != NULL) {
 215                 llfree(config.syncsites, free);
 216                 config.syncsites = NULL;
 217         }
 218         if (config.logfile != NULL) {
 219                 free(config.logfile);
 220                 config.logfile = NULL;
 221         }
 222         if (config.db_backend != NULL) {
 223                 free(config.db_backend);
 224                 config.db_backend = NULL;
 225         }
 226         if (config.backends_dir != NULL) {
 227                 free(config.backends_dir);
 228                 config.backends_dir = NULL;
 229         }
 230 }