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 "main.h"
  13
  14 struct options options = {
  15         "/usr/local/lcr/log",           /* log file */
  16         {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  17          0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  18          0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  19          0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  20          0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  21          0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  22          0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  23          0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
  24         0x0000,                         /* debug mode */
  25         'a',                            /* a-law */
  26         "0",                            /* national prefix */
  27         "00",                           /* international prefix */
  28         "tones_american",               /* directory of tones */
  29         "",                             /* directories of tones to fetch */
  30         "extensions",                   /* directory of extensions */
  31         "",                             /* dummy caller id */
  32         0,                              /* use tones by dsp.o */
  33         0,                              /* by default use priority 0 */
  34         "lcr@your.machine"              /* source mail adress */
  35 };
  36
  37 /* read options
  38  *
  39  * read options from options.conf
  40  */
  41 int read_options(void)
  42 {
  43         FILE *fp=NULL;
  44         char filename[128];
  45         char *p;
  46         char option[32];
  47         char param[256];
  48         unsigned int line,i;
  49         char buffer[256];
  50
  51         SPRINT(filename, "%s/options.conf", INSTALL_DATA);
  52
  53         if (!(fp=fopen(filename,"r")))
  54         {
  55                 PERROR("Cannot open %s\n",filename);
  56                 return(-1);
  57         }
  58
  59         line=0;
  60         while((fgets(buffer,sizeof(buffer),fp)))
  61         {
  62                 line++;
  63                 buffer[sizeof(buffer)-1]=0;
  64                 if (buffer[0]) buffer[strlen(buffer)-1]=0;
  65                 p=buffer;
  66
  67                 while(*p <= 32) /* skip spaces */
  68                 {
  69                         if (*p == 0)
  70                                 break;
  71                         p++;
  72                 }
  73                 if (*p==0 || *p=='#') /* ignore comments and empty line */
  74                         continue;
  75
  76                 option[0]=0;
  77                 i=0; /* read option */
  78                 while(*p > 32)
  79                 {
  80                         if (i+1 >= sizeof(option))
  81                         {
  82                                 PERROR_RUNTIME("Error in %s (line %d): option too long.\n",filename,line);
  83                                 goto error;
  84                         }
  85                         option[i+1] = '\0';
  86                         option[i++] = *p++;
  87                 }
  88
  89                 while(*p <= 32) /* skip spaces */
  90                 {
  91                         if (*p == 0)
  92                                 break;
  93                         p++;
  94                 }
  95
  96                 param[0]=0;
  97                 if (*p!=0 && *p!='#') /* param */
  98                 {
  99                         i=0; /* read param */
 100                         while(*p > 31)
 101                         {
 102                                 if (i+1 >= sizeof(param))
 103                                 {
 104                                         PERROR_RUNTIME("Error in %s (line %d): param too long.\n",filename,line);
 105                                         goto error;
 106                                 }
 107                                 param[i+1] = '\0';
 108                                 param[i++] = *p++;
 109                         }
 110                 }
 111
 112                 /* at this point we have option and param */
 113
 114                 /* check option */
 115                 if (!strcmp(option,"nt_if") || !strcmp(option,"te_if"))
 116                 {
 117                         PERROR_RUNTIME("Error in %s (line %d): obsolete option %s. Use multiple 'port' options to define ports to use.\n",filename,line,option);
 118                         goto error;
 119                 } else
 120                 if (!strcmp(option,"debug"))
 121                 {
 122                         if (param[0]==0)
 123                         {
 124                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 125                                 goto error;
 126                         }
 127                         options.deb = strtol(param, NULL, 0);
 128
 129                         PDEBUG(DEBUG_CONFIG, "debugging: 0x%x\n", options.deb);
 130                 } else
 131                 if (!strcmp(option,"log"))
 132                 {
 133                         if (param[0]==0)
 134                         {
 135                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line, option);
 136                                 goto error;
 137                         }
 138                         SCPY(options.log, param);
 139
 140                         PDEBUG(DEBUG_CONFIG, "log file: %s\n", options.log);
 141                 } else
 142                 if (!strcmp(option,"port"))
 143                 {
 144                         i = strtol(param, NULL, 0);
 145                         if (i < 1 || i > sizeof(options.ports))
 146                         {
 147                                 PERROR_RUNTIME("Error in %s (line %d): port number %s out of range.\n", filename, line, option);
 148                                 goto error;
 149                         }
 150                         options.ports[i] |= FLAG_PORT_USE;
 151
 152                         PDEBUG(DEBUG_CONFIG, "adding interface: %d (param=%s)\n", i, param);
 153                         if (strstr(param, "ptp"))
 154                         {
 155                                 options.ports[i] |= FLAG_PORT_PTP;
 156                                 PDEBUG(DEBUG_CONFIG, " -> interface shall be ptp\n");
 157                         }
 158                 } else
 159 #if 0
 160                 if (!strcmp(option,"ptp"))
 161                 {
 162                         options.ptp = 1;
 163
 164                         PDEBUG(DEBUG_CONFIG, "ptp layer-2 watch and keep established.\n");
 165                 } else
 166 #endif
 167                 if (!strcmp(option,"alaw"))
 168                 {
 169                         options.law = 'a';
 170
 171                         PDEBUG(DEBUG_CONFIG, "isdn audio type: alaw\n");
 172                 } else
 173                 if (!strcmp(option,"ulaw"))
 174                 {
 175                         options.law = 'u';
 176
 177                         PDEBUG(DEBUG_CONFIG, "isdn audio type: ulaw\n");
 178                 } else
 179                 if (!strcmp(option,"tones_dir"))
 180                 {
 181                         if (param[0]==0)
 182                         {
 183                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 184                                 goto error;
 185                         }
 186                         if (param[strlen(param)-1] == '/')
 187                                 param[strlen(param)-1]=0;
 188                         SCPY(options.tones_dir, param);
 189
 190                         PDEBUG(DEBUG_CONFIG, "directory of tones: %s\n",param);
 191                 } else
 192                 if (!strcmp(option,"fetch_tones"))
 193                 {
 194                         if (param[0]==0)
 195                         {
 196                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 197                                 goto error;
 198                         }
 199                         if (param[strlen(param)-1] == '/')
 200                                 param[strlen(param)-1]=0;
 201                         SCPY(options.fetch_tones, param);
 202
 203                         PDEBUG(DEBUG_CONFIG, "directories of tones to fetch: %s\n",param);
 204                 } else
 205                 if (!strcmp(option,"extensions_dir"))
 206                 {
 207                         if (param[0]==0)
 208                         {
 209                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 210                                 goto error;
 211                         }
 212                         if (param[strlen(param)-1] == '/')
 213                                 param[strlen(param)-1]=0;
 214                         SCPY(options.extensions_dir, param);
 215
 216                         PDEBUG(DEBUG_CONFIG, "directory of extensions: %s\n",param);
 217                 } else
 218                 if (!strcmp(option,"national"))
 219                 {
 220                         SCPY(options.national, param);
 221
 222                         PDEBUG(DEBUG_CONFIG, "national dial prefix: %s\n", param);
 223                 } else
 224                 if (!strcmp(option,"international"))
 225                 {
 226                         SCPY(options.international, param);
 227
 228                         PDEBUG(DEBUG_CONFIG, "inernational dial prefix: %s\n", param);
 229                 } else
 230                 if (!strcmp(option,"dummyid"))
 231                 {
 232                         SCPY(options.dummyid, param);
 233
 234                         PDEBUG(DEBUG_CONFIG, "dummy caller id\n", param);
 235                 } else
 236                 if (!strcmp(option,"dsptones"))
 237                 {
 238                         if (!strcasecmp(param, "american"))
 239                                 options.dsptones = DSP_AMERICAN;
 240                         else if (!strcasecmp(param, "german"))
 241                                 options.dsptones = DSP_GERMAN;
 242                         else if (!strcasecmp(param, "oldgerman"))
 243                                 options.dsptones = DSP_OLDGERMAN;
 244                         else if (!strcasecmp(param, "none"))
 245                                 options.dsptones = DSP_NONE;
 246                         else {
 247                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 248                                 goto error;
 249                         }
 250
 251                         PDEBUG(DEBUG_CONFIG, "dsp tones = %d\n", options.dsptones);
 252                 } else
 253                 if (!strcmp(option,"schedule"))
 254                 {
 255                         options.schedule = atoi(param);
 256                         if (options.schedule < 0)
 257                         {
 258                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s must be at least '0'.\n", filename,line,option);
 259                                 goto error;
 260                         }
 261                         if (options.schedule > 99)
 262                         {
 263                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s must be '99' or less.\n", filename,line,option);
 264                                 goto error;
 265                         }
 266
 267                         if (atoi(param))
 268                                 PDEBUG(DEBUG_CONFIG, "use real time scheduler priority: %d\n", atoi(param));
 269                         else
 270                                 PDEBUG(DEBUG_CONFIG, "don't use real time scheduler\n");
 271                 } else
 272                 if (!strcmp(option,"email"))
 273                 {
 274                         if (param[0]==0)
 275                         {
 276                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n", filename,line,option);
 277                                 goto error;
 278                         }
 279                         SCPY(options.email, param);
 280
 281                         PDEBUG(DEBUG_CONFIG, "source mail address of pbx: %s\n", param);
 282                 } else
 283                 {
 284                         PERROR_RUNTIME("Error in %s (line %d): wrong option keyword %s.\n", filename,line,option);
 285                         goto error;
 286                 }
 287         }
 288
 289 #if 0
 290         if (!options.dsptones)
 291         {
 292                 PERROR_RUNTIME("Error in %s (line %d): option 'dsptones' missing.\n", filename);
 293                 goto error;
 294         }
 295 #endif
 296         if (!options.tones_dir[0])
 297         {
 298                 PERROR_RUNTIME("Error in %s (line %d): option 'tones_dir' with parameter missing.\n", filename);
 299                 goto error;
 300         }
 301         if (fp) fclose(fp);
 302         return(1);
 303 error:
 304         if (fp) fclose(fp);
 305         return(0);
 306 }
 307
 308