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  1. /*    Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis
  2.  *
  3.  *  This program is free software; you can redistribute it and/or modify
  4.  *  it under the terms of the GNU General Public License as published by
  5.  *  the Free Software Foundation; either version 2 of the License, or
  6.  *  (at your option) any later version.
  7.  *
  8.  *  This program is distributed in the hope that it will be useful,
  9.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11.  *  GNU General Public License for more details.
  12.  *
  13.  *  You should have received a copy of the GNU General Public License
  14.  *  along with this program; if not, write to the Free Software
  15.  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  16.  */
  17.  
  18. /* daemon option processing */
  19. #include "wimslogd.h"
  20.  
  21. char opt_class[MAX_CLASSLEN+1];
  22. char opt_module[MAX_FNAME+1];
  23. char opt_session[MAX_CLASSLEN+1];
  24. char opt_user[MAX_FNAME+1];
  25.  
  26. /* returns -1 if error */
  27. int options(void)
  28. {
  29.   int i;
  30.   char c, *p1, *p2, *p3;
  31.   opt_class[0]=opt_module[0]=opt_session[0]=opt_user[0]=0;
  32.   for(i=0, p1=find_word_start(textptr); *p1=='-'; p1=find_word_start(p2),i++) {
  33.     p1++; c=*p1++; p1=find_word_start(p1);
  34.     p2=find_word_end(p1); if(*p2) *p2++=0;
  35.     switch(c) {
  36.       case 'c': {                  /* class */
  37.         if(cwdtype!=dir_home) {
  38.           sockerror(2,"option_conflict"); return -1;
  39.         }
  40.         if(strlen(p1)>=MAX_CLASSLEN || !myisdigit(*p1) || strstr(p1,"..")!=NULL) {
  41.           sockerror(2,"illegal_fname %s",p1);
  42.           return -1;
  43.         }
  44.         (void)chdir(classd); if(chdir(p1)<0) {
  45.           sockerror(2,"bad_class %s",p1);
  46.           return -1;
  47.         }
  48.         mystrncpy(opt_class,p1,sizeof(opt_class));
  49.         cwdtype=dir_class; break;
  50.       }
  51.       case 'm': {                  /* module */
  52.         if(cwdtype!=dir_home) {
  53.           sockerror(2,"option_conflict"); return -1;
  54.         }
  55.         if(strlen(p1)>MAX_FNAME || *p1=='/' || strstr(p1,"..")!=NULL) {
  56.           sockerror(2,"illegal_fname %s",p1);
  57.           return -1;
  58.         }
  59.         (void)chdir(modd); if(chdir(p1)<0) {
  60.           sockerror(2,"bad_module:%s",p1);
  61.           return -1;
  62.         }
  63.         mystrncpy(opt_module,p1,sizeof(opt_module));
  64.         cwdtype=dir_module; break;
  65.       }
  66.       case 's': {                  /* session */
  67.         if(cwdtype!=dir_home) {
  68.           sockerror(2,"option_conflict"); return -1;
  69.         }
  70.         if(strlen(p1)>=MAX_CLASSLEN || *p1=='/' || strstr(p1,"..")!=NULL) {
  71.           sockerror(2,"illegal_fname:%s",p1);
  72.           return -1;
  73.         }
  74.         (void)chdir(sesd); if(chdir(p1)<0) {
  75.           sockerror(2,"bad_session:%s",p1);
  76.           return -1;
  77.         }
  78.         mystrncpy(opt_session,p1,sizeof(opt_session));
  79.         cwdtype=dir_session; break;
  80.       }
  81.       case 'u': {                  /* user definition */
  82.         if(strchr(p1,'/')!=NULL) {
  83.           sockerror(2,"illegal_fname %s",p1);
  84.           return -1;
  85.         }
  86.         mystrncpy(opt_user,p1,sizeof(opt_user));
  87.         for(p3=strchr(opt_user,'.'); p3!=NULL; p3=strchr(p3,'.')) *p3++='@';
  88.         break;
  89.       }
  90.       default: {
  91.         sockerror(2,"bad_option"); return -1;
  92.       }
  93.     }
  94.   }
  95.   textptr=p1; return i;
  96. }
  97.