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/lcr/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         "",                             /* dummy caller id */
  35         0,                              /* use tones by dsp.o */
  36         0,                              /* by default use priority 0 */
  37         "lcr@your.machine"              /* source mail adress */
  38 };
  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                 PERROR("Cannot open %s\n",filename);
  59                 return(-1);
  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                                 PERROR_RUNTIME("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                                         PERROR_RUNTIME("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                         PERROR_RUNTIME("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                                 PERROR_RUNTIME("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                         PDEBUG(DEBUG_CONFIG, "debugging: 0x%x\n", options.deb);
 133                 } else
 134                 if (!strcmp(option,"log"))
 135                 {
 136                         if (param[0]==0)
 137                         {
 138                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line, option);
 139                                 goto error;
 140                         }
 141                         SCPY(options.log, param);
 142
 143                         PDEBUG(DEBUG_CONFIG, "log file: %s\n", options.log);
 144                 } else
 145                 if (!strcmp(option,"port"))
 146                 {
 147                         i = strtol(param, NULL, 0);
 148                         if (i < 1 || i > sizeof(options.ports))
 149                         {
 150                                 PERROR_RUNTIME("Error in %s (line %d): port number %s out of range.\n", filename, line, option);
 151                                 goto error;
 152                         }
 153                         options.ports[i] |= FLAG_PORT_USE;
 154
 155                         PDEBUG(DEBUG_CONFIG, "adding interface: %d (param=%s)\n", i, param);
 156                         if (strstr(param, "ptp"))
 157                         {
 158                                 options.ports[i] |= FLAG_PORT_PTP;
 159                                 PDEBUG(DEBUG_CONFIG, " -> interface shall be ptp\n");
 160                         }
 161                 } else
 162 #if 0
 163                 if (!strcmp(option,"ptp"))
 164                 {
 165                         options.ptp = 1;
 166
 167                         PDEBUG(DEBUG_CONFIG, "ptp layer-2 watch and keep established.\n");
 168                 } else
 169 #endif
 170                 if (!strcmp(option,"alaw"))
 171                 {
 172                         options.law = 'a';
 173
 174                         PDEBUG(DEBUG_CONFIG, "isdn audio type: alaw\n");
 175                 } else
 176                 if (!strcmp(option,"ulaw"))
 177                 {
 178                         options.law = 'u';
 179
 180                         PDEBUG(DEBUG_CONFIG, "isdn audio type: ulaw\n");
 181                 } else
 182                 if (!strcmp(option,"tones_dir"))
 183                 {
 184                         if (param[0]==0)
 185                         {
 186                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 187                                 goto error;
 188                         }
 189                         if (param[strlen(param)-1] == '/')
 190                                 param[strlen(param)-1]=0;
 191                         SCPY(options.tones_dir, param);
 192
 193                         PDEBUG(DEBUG_CONFIG, "directory of tones: %s\n",param);
 194                 } else
 195                 if (!strcmp(option,"fetch_tones"))
 196                 {
 197                         if (param[0]==0)
 198                         {
 199                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 200                                 goto error;
 201                         }
 202                         if (param[strlen(param)-1] == '/')
 203                                 param[strlen(param)-1]=0;
 204                         SCPY(options.fetch_tones, param);
 205
 206                         PDEBUG(DEBUG_CONFIG, "directories of tones to fetch: %s\n",param);
 207                 } else
 208                 if (!strcmp(option,"extensions_dir"))
 209                 {
 210                         if (param[0]==0)
 211                         {
 212                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 213                                 goto error;
 214                         }
 215                         if (param[strlen(param)-1] == '/')
 216                                 param[strlen(param)-1]=0;
 217                         SCPY(options.extensions_dir, param);
 218
 219                         PDEBUG(DEBUG_CONFIG, "directory of extensions: %s\n",param);
 220                 } else
 221                 if (!strcmp(option,"national"))
 222                 {
 223                         SCPY(options.national, param);
 224
 225                         PDEBUG(DEBUG_CONFIG, "national dial prefix: %s\n", param);
 226                 } else
 227                 if (!strcmp(option,"international"))
 228                 {
 229                         SCPY(options.international, param);
 230
 231                         PDEBUG(DEBUG_CONFIG, "inernational dial prefix: %s\n", param);
 232                 } else
 233                 if (!strcmp(option,"dummyid"))
 234                 {
 235                         SCPY(options.dummyid, param);
 236
 237                         PDEBUG(DEBUG_CONFIG, "dummy caller id\n", param);
 238                 } else
 239                 if (!strcmp(option,"dsptones"))
 240                 {
 241                         if (!strcasecmp(param, "american"))
 242                                 options.dsptones = DSP_AMERICAN;
 243                         else if (!strcasecmp(param, "german"))
 244                                 options.dsptones = DSP_GERMAN;
 245                         else if (!strcasecmp(param, "oldgerman"))
 246                                 options.dsptones = DSP_OLDGERMAN;
 247                         else if (!strcasecmp(param, "none"))
 248                                 options.dsptones = DSP_NONE;
 249                         else {
 250                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
 251                                 goto error;
 252                         }
 253
 254                         PDEBUG(DEBUG_CONFIG, "dsp tones = %d\n", options.dsptones);
 255                 } else
 256                 if (!strcmp(option,"schedule"))
 257                 {
 258                         options.schedule = atoi(param);
 259                         if (options.schedule < 0)
 260                         {
 261                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s must be at least '0'.\n", filename,line,option);
 262                                 goto error;
 263                         }
 264                         if (options.schedule > 99)
 265                         {
 266                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s must be '99' or less.\n", filename,line,option);
 267                                 goto error;
 268                         }
 269
 270                         if (atoi(param))
 271                                 PDEBUG(DEBUG_CONFIG, "use real time scheduler priority: %d\n", atoi(param));
 272                         else
 273                                 PDEBUG(DEBUG_CONFIG, "don't use real time scheduler\n");
 274                 } else
 275                 if (!strcmp(option,"email"))
 276                 {
 277                         if (param[0]==0)
 278                         {
 279                                 PERROR_RUNTIME("Error in %s (line %d): parameter for option %s missing.\n", filename,line,option);
 280                                 goto error;
 281                         }
 282                         SCPY(options.email, param);
 283
 284                         PDEBUG(DEBUG_CONFIG, "source mail address of pbx: %s\n", param);
 285                 } else
 286                 {
 287                         PERROR_RUNTIME("Error in %s (line %d): wrong option keyword %s.\n", filename,line,option);
 288                         goto error;
 289                 }
 290         }
 291
 292 #if 0
 293         if (!options.dsptones)
 294         {
 295                 PERROR_RUNTIME("Error in %s (line %d): option 'dsptones' missing.\n", filename);
 296                 goto error;
 297         }
 298 #endif
 299         if (!options.tones_dir[0])
 300         {
 301                 PERROR_RUNTIME("Error in %s (line %d): option 'tones_dir' with parameter missing.\n", filename);
 302                 goto error;
 303         }
 304         if (fp) fclose(fp);
 305         return(1);
 306 error:
 307         if (fp) fclose(fp);
 308         return(0);
 309 }
 310
 311