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 <stdlib.h>
  15 #include "main.h"
  16
  17 struct options options = {
  18         "/usr/local/pbx/log",           /* log file */
  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          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,
  25          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,
  26          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},
  27         0x0000,                         /* debug mode */
  28         'a',                            /* a-law */
  29         "0",                            /* national prefix */
  30         "00",                           /* international prefix */
  31         "tones_american",               /* directory of tones */
  32         "",                             /* directories of tones to fetch */
  33         "extensions",                   /* directory of extensions */
  34         0,                              /* dtmf detection on */
  35         "",                             /* dummy caller id */
  36         0,                              /* use tones by dsp.o */
  37         0,                              /* by default use priority 0 */
  38         "lcr@your.machine"              /* source mail adress */
  39 };
  40
  41 /* read options
  42  *
  43  * read options from options.conf
  44  */
  45 int read_options(void)
  46 {
  47         FILE *fp=NULL;
  48         char filename[128];
  49         char *p;
  50         char option[32];
  51         char param[256];
  52         unsigned int line,i;
  53         char buffer[256];
  54
  55         SPRINT(filename, "%s/options.conf", INSTALL_DATA);
  56
  57         if (!(fp=fopen(filename,"r")))
  58         {
  59                 PERROR("Cannot open %s\n",filename);
  60                 return(-1);
  61         }
  62
  63         line=0;
  64         while((fgets(buffer,sizeof(buffer),fp)))
  65         {
  66                 line++;
  67                 buffer[sizeof(buffer)-1]=0;
  68                 if (buffer[0]) buffer[strlen(buffer)-1]=0;
  69                 p=buffer;
  70
  71                 while(*p <= 32) /* skip spaces */
  72                 {
  73                         if (*p == 0)
  74                                 break;
  75                         p++;
  76                 }
  77                 if (*p==0 || *p=='#') /* ignore comments and empty line */
  78                         continue;
  79
  80                 option[0]=0;
  81                 i=0; /* read option */
  82                 while(*p > 32)
  83                 {
  84                         if (i+1 >= sizeof(option))
  85                         {
  86                                 PERROR_RUNTIME("Error in %s (line %d): option too long.\n",filename,line);
  87                                 goto error;
  88                         }
  89                         option[i+1] = '\0';
  90                         option[i++] = *p++;
  91                 }
  92
  93                 while(*p <= 32) /* skip spaces */
  94                 {
  95                         if (*p == 0)
  96                                 break;
  97                         p++;
  98                 }
  99
 100                 param[0]=0;
 101                 if (*p!=0 && *p!='#') /* param */
 102                 {
 103                         i=0; /* read param */
 104                         while(*p > 31)
 105                         {
 106                                 if (i+1 >= sizeof(param))
 107                                 {
 108                                         PERROR_RUNTIME("Error in %s (line %d): param too long.\n",filename,line);
 109                                         goto error;
 110                                 }
 111                                 param[i+1] = '\0';
 112                                 param[i++] = *p++;
 113                         }
 114                 }
 115
 116                 /* at this point we have option and param */
 117
 118                 /* check option */
 119                 if (!strcmp(option,"nt_if") || !strcmp(option,"te_if"))
 120                 {
 121                         PERROR_RUNTIME("Error in %s (line %d): obsolete option %s. Use multiple 'port' options to define ports to use.\n",filename,line,option);
 122                         goto error;
 123                 } else
 124                 if (!strcmp(option,"debug"))
 125                 {
 126                         if (param[0]==0)
 127                         {
 128                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 129                                 goto error;
 130                         }
 131                         options.deb = strtol(param, NULL, 0);
 132
 133                         PDEBUG(DEBUG_CONFIG, "debugging: 0x%x\n", options.deb);
 134                 } else
 135                 if (!strcmp(option,"log"))
 136                 {
 137                         if (param[0]==0)
 138                         {
 139                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line, option);
 140                                 goto error;
 141                         }
 142                         SCPY(options.log, param);
 143
 144                         PDEBUG(DEBUG_CONFIG, "log file: %s\n", options.log);
 145                 } else
 146                 if (!strcmp(option,"port"))
 147                 {
 148                         i = strtol(param, NULL, 0);
 149                         if (i < 1 || i > sizeof(options.ports))
 150                         {
 151                                 PERROR_RUNTIME("Error in %s (line %d): port number %s out of range.\n", filename, line, option);
 152                                 goto error;
 153                         }
 154                         options.ports[i] |= FLAG_PORT_USE;
 155
 156                         PDEBUG(DEBUG_CONFIG, "adding interface: %d (param=%s)\n", i, param);
 157                         if (strstr(param, "ptp"))
 158                         {
 159                                 options.ports[i] |= FLAG_PORT_PTP;
 160                                 PDEBUG(DEBUG_CONFIG, " -> interface shall be ptp\n");
 161                         }
 162                 } else
 163 #if 0
 164                 if (!strcmp(option,"ptp"))
 165                 {
 166                         options.ptp = 1;
 167
 168                         PDEBUG(DEBUG_CONFIG, "ptp layer-2 watch and keep established.\n");
 169                 } else
 170 #endif
 171                 if (!strcmp(option,"alaw"))
 172                 {
 173                         options.law = 'a';
 174
 175                         PDEBUG(DEBUG_CONFIG, "isdn audio type: alaw\n");
 176                 } else
 177                 if (!strcmp(option,"ulaw"))
 178                 {
 179                         options.law = 'u';
 180
 181                         PDEBUG(DEBUG_CONFIG, "isdn audio type: ulaw\n");
 182                 } else
 183                 if (!strcmp(option,"tones_dir"))
 184                 {
 185                         if (param[0]==0)
 186                         {
 187                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 188                                 goto error;
 189                         }
 190                         if (param[strlen(param)-1] == '/')
 191                                 param[strlen(param)-1]=0;
 192                         SCPY(options.tones_dir, param);
 193
 194                         PDEBUG(DEBUG_CONFIG, "directory of tones: %s\n",param);
 195                 } else
 196                 if (!strcmp(option,"fetch_tones"))
 197                 {
 198                         if (param[0]==0)
 199                         {
 200                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 201                                 goto error;
 202                         }
 203                         if (param[strlen(param)-1] == '/')
 204                                 param[strlen(param)-1]=0;
 205                         SCPY(options.fetch_tones, param);
 206
 207                         PDEBUG(DEBUG_CONFIG, "directories of tones to fetch: %s\n",param);
 208                 } else
 209                 if (!strcmp(option,"extensions_dir"))
 210                 {
 211                         if (param[0]==0)
 212                         {
 213                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 214                                 goto error;
 215                         }
 216                         if (param[strlen(param)-1] == '/')
 217                                 param[strlen(param)-1]=0;
 218                         SCPY(options.extensions_dir, param);
 219
 220                         PDEBUG(DEBUG_CONFIG, "directory of extensions: %s\n",param);
 221                 } else
 222                 if (!strcmp(option,"national"))
 223                 {
 224                         SCPY(options.national, param);
 225
 226                         PDEBUG(DEBUG_CONFIG, "national dial prefix: %s\n", param);
 227                 } else
 228                 if (!strcmp(option,"international"))
 229                 {
 230                         SCPY(options.international, param);
 231
 232                         PDEBUG(DEBUG_CONFIG, "inernational dial prefix: %s\n", param);
 233                 } else
 234                 if (!strcmp(option,"nodtmf"))
 235                 {
 236                         options.nodtmf = 1;
 237
 238                         PDEBUG(DEBUG_CONFIG, "disable dtmf detection\n");
 239                 } else
 240                 if (!strcmp(option,"dummyid"))
 241                 {
 242                         SCPY(options.dummyid, param);
 243
 244                         PDEBUG(DEBUG_CONFIG, "dummy caller id\n", param);
 245                 } else
 246                 if (!strcmp(option,"dsptones"))
 247                 {
 248                         if (!strcasecmp(param, "american"))
 249                                 options.dsptones = DSP_AMERICAN;
 250                         else if (!strcasecmp(param, "german"))
 251                                 options.dsptones = DSP_GERMAN;
 252                         else if (!strcasecmp(param, "oldgerman"))
 253                                 options.dsptones = DSP_OLDGERMAN;
 254                         else if (!strcasecmp(param, "none"))
 255                                 options.dsptones = DSP_NONE;
 256                         else {
 257                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 258                                 goto error;
 259                         }
 260
 261                         PDEBUG(DEBUG_CONFIG, "dsp tones = %d\n", options.dsptones);
 262                 } else
 263                 if (!strcmp(option,"schedule"))
 264                 {
 265                         options.schedule = atoi(param);
 266                         if (options.schedule < 0)
 267                         {
 268                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s must be at least '0'.\n", filename,line,option);
 269                                 goto error;
 270                         }
 271                         if (options.schedule > 99)
 272                         {
 273                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s must be '99' or less.\n", filename,line,option);
 274                                 goto error;
 275                         }
 276
 277                         if (atoi(param))
 278                                 PDEBUG(DEBUG_CONFIG, "use real time scheduler priority: %d\n", atoi(param));
 279                         else
 280                                 PDEBUG(DEBUG_CONFIG, "don't use real time scheduler\n");
 281                 } else
 282                 if (!strcmp(option,"email"))
 283                 {
 284                         if (param[0]==0)
 285                         {
 286                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n", filename,line,option);
 287                                 goto error;
 288                         }
 289                         SCPY(options.email, param);
 290
 291                         PDEBUG(DEBUG_CONFIG, "source mail address of pbx: %s\n", param);
 292                 } else
 293                 {
 294                         PERROR_RUNTIME("Error in %s (line %d): wrong option keyword %s.\n", filename,line,option);
 295                         goto error;
 296                 }
 297         }
 298
 299 #if 0
 300         if (!options.dsptones)
 301         {
 302                 PERROR_RUNTIME("Error in %s (line %d): option 'dsptones' missing.\n", filename);
 303                 goto error;
 304         }
 305 #endif
 306         if (!options.tones_dir[0])
 307         {
 308                 PERROR_RUNTIME("Error in %s (line %d): option 'tones_dir' with parameter missing.\n", filename);
 309                 goto error;
 310         }
 311         if (fp) fclose(fp);
 312         return(1);
 313 error:
 314         if (fp) fclose(fp);
 315         return(0);
 316 }
 317
 318