options.c

   1 /*****************************************************************************\
   2 **                                                                           **
   3 ** PBX4Linux                                                                 **
   4 **                                                                           **
   5 **---------------------------------------------------------------------------**
   6 ** Copyright: Andreas Eversberg                                              **
   7 **                                                                           **
   8 ** reading options.conf and filling structure                                **
   9 **                                                                           **
  10 \*****************************************************************************/
  11
  12 #include "stdio.h"
  13 #include "string.h"
  14 #include "stdarg.h"
  15 #include "unistd.h"
  16 #include "stdlib.h"
  17 #include "macro.h"
  18 #include "extension.h"
  19 #include "options.h"
  20
  21 struct options options = {
  22         "/usr/local/lcr/log",           /* log file */
  23         0x0000,                         /* debug mode */
  24         'a',                            /* a-law */
  25         "0",                            /* national prefix */
  26         "00",                           /* international prefix */
  27         "tones_american",               /* directory of tones */
  28         "",                             /* directories of tones to fetch */
  29         "extensions",                   /* directory of extensions */
  30         "",                             /* dummy caller id */
  31         0,                              /* use tones by dsp.o */
  32         0,                              /* by default use priority 0 */
  33         "lcr@your.machine",             /* source mail adress */
  34         "/var/tmp",                     /* path of lock files */
  35         0700                            /* rights of lcr admin socket */
  36 };
  37
  38 char options_error[256];
  39
  40 /* read options
  41  *
  42  * read options from options.conf
  43  */
  44 int read_options(void)
  45 {
  46         FILE *fp=NULL;
  47         char filename[128];
  48         char *p;
  49         char option[32];
  50         char param[256];
  51         unsigned int line,i;
  52         char buffer[256];
  53
  54         SPRINT(filename, "%s/options.conf", INSTALL_DATA);
  55
  56         if (!(fp=fopen(filename,"r")))
  57         {
  58                 SPRINT(options_error, "Cannot open %s\n",filename);
  59                 return(0);
  60         }
  61
  62         line=0;
  63         while((fgets(buffer,sizeof(buffer),fp)))
  64         {
  65                 line++;
  66                 buffer[sizeof(buffer)-1]=0;
  67                 if (buffer[0]) buffer[strlen(buffer)-1]=0;
  68                 p=buffer;
  69
  70                 while(*p <= 32) /* skip spaces */
  71                 {
  72                         if (*p == 0)
  73                                 break;
  74                         p++;
  75                 }
  76                 if (*p==0 || *p=='#') /* ignore comments and empty line */
  77                         continue;
  78
  79                 option[0]=0;
  80                 i=0; /* read option */
  81                 while(*p > 32)
  82                 {
  83                         if (i+1 >= sizeof(option))
  84                         {
  85                                 SPRINT(options_error, "Error in %s (line %d): option too long.\n",filename,line);
  86                                 goto error;
  87                         }
  88                         option[i+1] = '\0';
  89                         option[i++] = *p++;
  90                 }
  91
  92                 while(*p <= 32) /* skip spaces */
  93                 {
  94                         if (*p == 0)
  95                                 break;
  96                         p++;
  97                 }
  98
  99                 param[0]=0;
 100                 if (*p!=0 && *p!='#') /* param */
 101                 {
 102                         i=0; /* read param */
 103                         while(*p > 31)
 104                         {
 105                                 if (i+1 >= sizeof(param))
 106                                 {
 107                                         SPRINT(options_error, "Error in %s (line %d): param too long.\n",filename,line);
 108                                         goto error;
 109                                 }
 110                                 param[i+1] = '\0';
 111                                 param[i++] = *p++;
 112                         }
 113                 }
 114
 115                 /* at this point we have option and param */
 116
 117                 /* check option */
 118                 if (!strcmp(option,"nt_if") || !strcmp(option,"te_if"))
 119                 {
 120                         SPRINT(options_error, "Error in %s (line %d): obsolete option %s. Use multiple 'port' options to define ports to use.\n",filename,line,option);
 121                         goto error;
 122                 } else
 123                 if (!strcmp(option,"debug"))
 124                 {
 125                         if (param[0]==0)
 126                         {
 127                                 SPRINT(options_error, "Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 128                                 goto error;
 129                         }
 130                         options.deb = strtol(param, NULL, 0);
 131
 132                 } else
 133                 if (!strcmp(option,"log"))
 134                 {
 135                         if (param[0]==0)
 136                         {
 137                                 SPRINT(options_error, "Error in %s (line %d): parameter for option %s missing.\n",filename,line, option);
 138                                 goto error;
 139                         }
 140                         SCPY(options.log, param);
 141
 142                 } else
 143                 if (!strcmp(option,"alaw"))
 144                 {
 145                         options.law = 'a';
 146
 147                 } else
 148                 if (!strcmp(option,"ulaw"))
 149                 {
 150                         options.law = 'u';
 151
 152                 } else
 153                 if (!strcmp(option,"tones_dir"))
 154                 {
 155                         if (param[0]==0)
 156                         {
 157                                 SPRINT(options_error, "Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 158                                 goto error;
 159                         }
 160                         if (param[strlen(param)-1] == '/')
 161                                 param[strlen(param)-1]=0;
 162                         SCPY(options.tones_dir, param);
 163
 164                 } else
 165                 if (!strcmp(option,"fetch_tones"))
 166                 {
 167                         if (param[0]==0)
 168                         {
 169                                 SPRINT(options_error, "Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 170                                 goto error;
 171                         }
 172                         if (param[strlen(param)-1] == '/')
 173                                 param[strlen(param)-1]=0;
 174                         SCPY(options.fetch_tones, param);
 175
 176                 } else
 177                 if (!strcmp(option,"extensions_dir"))
 178                 {
 179                         if (param[0]==0)
 180                         {
 181                                 SPRINT(options_error, "Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 182                                 goto error;
 183                         }
 184                         if (param[strlen(param)-1] == '/')
 185                                 param[strlen(param)-1]=0;
 186                         SCPY(options.extensions_dir, param);
 187
 188                 } else
 189                 if (!strcmp(option,"national"))
 190                 {
 191                         SCPY(options.national, param);
 192
 193                 } else
 194                 if (!strcmp(option,"international"))
 195                 {
 196                         SCPY(options.international, param);
 197
 198                 } else
 199                 if (!strcmp(option,"dummyid"))
 200                 {
 201                         SCPY(options.dummyid, param);
 202
 203                 } else
 204                 if (!strcmp(option,"dsptones"))
 205                 {
 206                         if (!strcasecmp(param, "american"))
 207                                 options.dsptones = DSP_AMERICAN;
 208                         else if (!strcasecmp(param, "german"))
 209                                 options.dsptones = DSP_GERMAN;
 210                         else if (!strcasecmp(param, "oldgerman"))
 211                                 options.dsptones = DSP_OLDGERMAN;
 212                         else if (!strcasecmp(param, "none"))
 213                                 options.dsptones = DSP_NONE;
 214                         else {
 215                                 SPRINT(options_error, "Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 216                                 goto error;
 217                         }
 218
 219                 } else
 220                 if (!strcmp(option,"schedule"))
 221                 {
 222                         options.schedule = atoi(param);
 223                         if (options.schedule < 0)
 224                         {
 225                                 SPRINT(options_error, "Error in %s (line %d): parameter for option %s must be at least '0'.\n", filename,line,option);
 226                                 goto error;
 227                         }
 228                         if (options.schedule > 99)
 229                         {
 230                                 SPRINT(options_error, "Error in %s (line %d): parameter for option %s must be '99' or less.\n", filename,line,option);
 231                                 goto error;
 232                         }
 233
 234                 } else
 235                 if (!strcmp(option,"email"))
 236                 {
 237                         if (param[0]==0)
 238                         {
 239                                 SPRINT(options_error, "Error in %s (line %d): parameter for option %s missing.\n", filename,line,option);
 240                                 goto error;
 241                         }
 242                         SCPY(options.email, param);
 243
 244                 } else
 245                 if (!strcmp(option,"lock"))
 246                 {
 247                         if (param[0]==0)
 248                         {
 249                                 SPRINT(options_error, "Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 250                                 goto error;
 251                         }
 252                         if (param[strlen(param)-1] == '/')
 253                                 param[strlen(param)-1]=0;
 254                         SCPY(options.lock, param);
 255
 256                 } else
 257                 if (!strcmp(option,"socketrights"))
 258                 {
 259                         options.socketrights = strtol(param, NULL, 0);
 260                 } else
 261                 {
 262                         SPRINT(options_error, "Error in %s (line %d): wrong option keyword %s.\n", filename,line,option);
 263                         goto error;
 264                 }
 265         }
 266
 267 #if 0
 268         if (!options.dsptones)
 269         {
 270                 SPRINT(options_error, "Error in %s (line %d): option 'dsptones' missing.\n", filename);
 271                 goto error;
 272         }
 273 #endif
 274         if (!options.tones_dir[0])
 275         {
 276                 SPRINT(options_error, "Error in %s (line %d): option 'tones_dir' with parameter missing.\n", filename);
 277                 goto error;
 278         }
 279         if (fp) fclose(fp);
 280         return(1);
 281 error:
 282         if (fp) fclose(fp);
 283         return(0);
 284 }
 285
 286