256 lines
7.1 KiB
C
256 lines
7.1 KiB
C
/*****************************************************************************\
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** **
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** PBX4Linux **
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** **
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**---------------------------------------------------------------------------**
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** Copyright: Andreas Eversberg **
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** **
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** reading options.conf and filling structure **
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** **
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\*****************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include "macro.h"
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#include "extension.h"
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#include "options.h"
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#include <grp.h>
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#include <pwd.h>
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struct options options = {
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LOG_DIR "/log", /* log file */
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0x0000, /* debug mode */
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'a', /* a-law */
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"0", /* national prefix */
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"00", /* international prefix */
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"tones_american", /* directory of tones */
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"", /* directories of tones to fetch */
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"", /* dummy caller id */
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0, /* by default use priority 0 */
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"lcr@your.machine", /* source mail adress */
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"/var/run", /* path of lock files */
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0700, /* rights of lcr admin socket */
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-1, /* socket user (-1= no change) */
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-1, /* socket group (-1= no change) */
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1, /* use polling of main loop */
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};
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char options_error[256];
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/* read options
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*
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* read options from options.conf
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*/
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int read_options(char *options_error)
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{
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FILE *fp=NULL;
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char filename[128];
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char *p;
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char option[32];
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char param[256];
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unsigned int line,i;
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char buffer[256];
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SPRINT(filename, "%s/options.conf", CONFIG_DATA);
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if (!(fp=fopen(filename,"r"))) {
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UPRINT(options_error, "Cannot open %s\n",filename);
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return(0);
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}
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line=0;
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while((fgets(buffer,sizeof(buffer),fp))) {
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line++;
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buffer[sizeof(buffer)-1]=0;
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if (buffer[0]) buffer[strlen(buffer)-1]=0;
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p=buffer;
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while(*p <= 32) { /* skip spaces */
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if (*p == 0)
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break;
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p++;
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}
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if (*p==0 || *p=='#') /* ignore comments and empty line */
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continue;
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option[0]=0;
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i=0; /* read option */
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while(*p > 32) {
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if (i+1 >= sizeof(option)) {
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UPRINT(options_error, "Error in %s (line %d): option too long.\n",filename,line);
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goto error;
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}
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option[i+1] = '\0';
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option[i++] = *p++;
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}
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while(*p <= 32) { /* skip spaces */
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if (*p == 0)
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break;
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p++;
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}
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param[0]=0;
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if (*p!=0 && *p!='#') { /* param */
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i=0; /* read param */
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while(*p > 31) {
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if (i+1 >= sizeof(param)) {
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UPRINT(options_error, "Error in %s (line %d): param too long.\n",filename,line);
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goto error;
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}
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param[i+1] = '\0';
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param[i++] = *p++;
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}
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}
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/* at this point we have option and param */
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/* check option */
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if (!strcmp(option,"nt_if") || !strcmp(option,"te_if")) {
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UPRINT(options_error, "Error in %s (line %d): obsolete option %s. Use multiple 'port' options to define ports to use.\n",filename,line,option);
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goto error;
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} else
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if (!strcmp(option,"debug")) {
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if (param[0]==0) {
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UPRINT(options_error, "Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
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goto error;
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}
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options.deb = strtol(param, NULL, 0);
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} else
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if (!strcmp(option,"log")) {
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if (param[0]==0) {
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UPRINT(options_error, "Error in %s (line %d): parameter for option %s missing.\n",filename,line, option);
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goto error;
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}
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SCPY(options.log, param);
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} else
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if (!strcmp(option,"alaw")) {
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options.law = 'a';
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} else
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if (!strcmp(option,"ulaw")) {
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options.law = 'u';
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} else
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if (!strcmp(option,"tones_dir")) {
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if (param[0]==0) {
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UPRINT(options_error, "Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
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goto error;
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}
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if (param[strlen(param)-1] == '/')
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param[strlen(param)-1]=0;
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SCPY(options.tones_dir, param);
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} else
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if (!strcmp(option,"fetch_tones")) {
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if (param[0]==0) {
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UPRINT(options_error, "Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
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goto error;
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}
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if (param[strlen(param)-1] == '/')
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param[strlen(param)-1]=0;
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SCPY(options.fetch_tones, param);
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} else
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if (!strcmp(option,"extensions_dir")) {
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// obsolete
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} else
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if (!strcmp(option,"national")) {
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SCPY(options.national, param);
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} else
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if (!strcmp(option,"international")) {
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SCPY(options.international, param);
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} else
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if (!strcmp(option,"dummyid")) {
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SCPY(options.dummyid, param);
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} else
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if (!strcmp(option,"dsptones")) {
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UPRINT(options_error, "Error in %s (line %d): parameter 'dsptones' is obsolete. Just define the tones (american,german,oldgerman) at 'tones_dir' option.\n",filename,line);
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goto error;
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} else
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if (!strcmp(option,"schedule")) {
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options.schedule = atoi(param);
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if (options.schedule < 0) {
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UPRINT(options_error, "Error in %s (line %d): parameter for option %s must be at least '0'.\n", filename,line,option);
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goto error;
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}
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if (options.schedule > 99) {
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UPRINT(options_error, "Error in %s (line %d): parameter for option %s must be '99' or less.\n", filename,line,option);
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goto error;
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}
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} else
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if (!strcmp(option,"email")) {
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if (param[0]==0) {
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UPRINT(options_error, "Error in %s (line %d): parameter for option %s missing.\n", filename,line,option);
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goto error;
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}
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SCPY(options.email, param);
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} else
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if (!strcmp(option,"lock")) {
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if (param[0]==0) {
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UPRINT(options_error, "Error in %s (line %d): parameter for option %s missing.\n",filename,line,option);
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goto error;
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}
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if (param[strlen(param)-1] == '/')
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param[strlen(param)-1]=0;
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SCPY(options.lock, param);
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} else
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if (!strcmp(option,"socketuser")) {
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char * endptr = NULL;
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options.socketuser = strtol(param, &endptr, 10);
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if (*endptr != '\0') {
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struct passwd * pwd = getpwnam(param);
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if (pwd == NULL) {
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UPRINT(options_error, "Error in %s (line %d): no such user: %s.\n",filename,line,param);
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goto error;
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}
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options.socketuser = pwd->pw_uid;
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}
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} else
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if (!strcmp(option,"socketgroup")) {
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char * endptr = NULL;
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options.socketgroup = strtol(param, &endptr, 10);
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if (*endptr != '\0') {
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struct group * grp = getgrnam(param);
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if (grp == NULL) {
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UPRINT(options_error, "Error in %s (line %d): no such group: %s.\n",filename,line,param);
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goto error;
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}
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options.socketgroup = grp->gr_gid;
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}
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} else
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if (!strcmp(option,"socketrights")) {
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options.socketrights = strtol(param, NULL, 0);
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} else
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if (!strcmp(option,"polling")) {
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options.polling = 1;
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} else {
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UPRINT(options_error, "Error in %s (line %d): wrong option keyword %s.\n", filename,line,option);
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goto error;
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}
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}
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if (!options.tones_dir[0]) {
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UPRINT(options_error, "Error in %s (line %d): option 'tones_dir' with parameter missing.\n", filename,line);
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goto error;
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}
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if (fp) fclose(fp);
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return(1);
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error:
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if (fp) fclose(fp);
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return(0);
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}
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