dansguardian_log.c

   1 /*
   2  * SARG Squid Analysis Report Generator      http://sarg.sourceforge.net
   3  *                                                            1998, 2010
   4  *
   5  * SARG donations:
   6  *      please look at http://sarg.sourceforge.net/donations.php
   7  * Support:
   8  *     http://sourceforge.net/projects/sarg/forums/forum/363374
   9  * ---------------------------------------------------------------------
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License as published by
  13  *  the Free Software Foundation; either version 2 of the License, or
  14  *  (at your option) any later version.
  15  *
  16  *  This program is distributed in the hope that it will be useful,
  17  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *  GNU General Public License for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License
  22  *  along with this program; if not, write to the Free Software
  23  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  24  *
  25  */
  26
  27 #include "include/conf.h"
  28 #include "include/defs.h"
  29
  30 void dansguardian_log(void)
  31 {
  32
  33    FILE *fp_in = NULL, *fp_ou = NULL, *fp_guard = NULL;
  34    char buf[MAXLEN];
  35    char guard_in[MAXLEN];
  36    char guard_ou[MAXLEN];
  37    char loglocation[MAXLEN] = "/var/log/dansguardian/access.log";
  38    char year[10], mon[10], day[10];
  39    char hour[15];
  40    char user[MAXLEN], code1[255], code2[255];
  41    char ip[30];
  42    char wdata[127];
  43    char *url;
  44    char tmp6[MAXLEN];
  45    int  idata=0;
  46    int cstatus;
  47    int dfrom, duntil;
  48    struct getwordstruct gwarea;
  49
  50    dfrom=(period.start.tm_year+1900)*10000+(period.start.tm_mon+1)*100+period.start.tm_mday;
  51    duntil=(period.end.tm_year+1900)*10000+(period.end.tm_mon+1)*100+period.end.tm_mday;
  52
  53    snprintf(guard_in,sizeof(guard_in),"%s/dansguardian.unsort",tmp);
  54    snprintf(guard_ou,sizeof(guard_ou),"%s/dansguardian.log",tmp);
  55
  56    if(access(DansGuardianConf, R_OK) != 0) {
  57       debuga(_("Cannot open DansGuardian config file: %s\n"),DansGuardianConf);
  58       exit(EXIT_FAILURE);
  59    }
  60
  61    if((fp_guard=fopen(DansGuardianConf,"r"))==NULL) {
  62       debuga(_("(dansguardian) Cannot open log file: %s\n"),DansGuardianConf);
  63       exit(EXIT_FAILURE);
  64    }
  65
  66    if((fp_ou=MY_FOPEN(guard_in,"a"))==NULL) {
  67       debuga(_("(dansguardian) Cannot open log file: %s\n"),guard_in);
  68       exit(EXIT_FAILURE);
  69    }
  70
  71    while(fgets(buf,sizeof(buf),fp_guard)!=NULL) {
  72       fixendofline(buf);
  73       if(buf[0]=='#')
  74          continue;
  75       if(strstr(buf,"loglocation ") != 0) {
  76          getword_start(&gwarea,buf);
  77          if (getword_skip(MAXLEN,&gwarea,'\'')<0 || getword(loglocation,sizeof(loglocation),&gwarea,'\'')<0) {
  78             debuga(_("Maybe you have a broken record or garbage in your %s file\n"),DansGuardianConf);
  79             exit(EXIT_FAILURE);
  80          }
  81          break;
  82       }
  83    }
  84
  85    if(debug)
  86       debuga(_("Reading DansGuardian log file: %s\n"),loglocation);
  87
  88    if((fp_in=MY_FOPEN(loglocation,"r"))==NULL) {
  89       debuga(_("(dansguardian) Cannot open log file: %s\n"),loglocation);
  90       exit(EXIT_FAILURE);
  91    }
  92
  93    while(fgets(buf,sizeof(buf),fp_in) != NULL) {
  94       if(strstr(buf," *DENIED* ") == 0)
  95          continue;
  96       getword_start(&gwarea,buf);
  97       if (getword(year,sizeof(year),&gwarea,'.')<0 || getword(mon,sizeof(mon),&gwarea,'.')<0 ||
  98           getword(day,sizeof(day),&gwarea,' ')<0 || getword(hour,sizeof(hour),&gwarea,' ')<0 ||
  99           getword(user,sizeof(user),&gwarea,' ')<0 || getword(ip,sizeof(ip),&gwarea,' ')<0 ||
 100           getword_skip(MAXLEN,&gwarea,'/')<0 || getword_skip(MAXLEN,&gwarea,'/')<0) {
 101          debuga(_("Maybe you have a broken record or garbage in your %s file\n"),loglocation);
 102          exit(EXIT_FAILURE);
 103       }
 104       if (getword_ptr(buf,&url,&gwarea,' ')<0) {
 105          debuga(_("Maybe you have a broken url in your %s file\n"),loglocation);
 106          exit(EXIT_FAILURE);
 107       }
 108       if (getword_skip(255,&gwarea,' ')<0 ||
 109           getword(code1,sizeof(code1),&gwarea,' ')<0 || getword(code2,sizeof(code2),&gwarea,' ')<0) {
 110          debuga(_("Maybe you have a broken record or garbage in your %s file\n"),loglocation);
 111          exit(EXIT_FAILURE);
 112       }
 113       sprintf(wdata,"%s%02d%s",year,atoi(mon),day);
 114       idata = atoi(wdata);
 115
 116       if(DansguardianIgnoreDate) {
 117          if(idata < dfrom && idata > duntil)
 118             continue;
 119       }
 120
 121       if (strcmp(user,"-") == 0) {
 122          strcpy(user,ip);
 123          bzero(ip, 30);
 124       }
 125       fprintf(fp_ou,"%s\t%d\t%s\t%s\t%s\t%s\t%s\n",user,idata,hour,ip,url,code1,code2);
 126       dansguardian_count++;
 127    }
 128
 129    if(fp_in) fclose(fp_in);
 130    if(fp_guard) fclose(fp_guard);
 131    if(fp_ou) fclose(fp_ou);
 132
 133    if(debug)
 134       debuga(_("Sorting file: %s\n"),guard_ou);
 135
 136    snprintf(tmp6,sizeof(tmp6),"sort -k 1,1 -k 2,2 -k 4,4 \"%s\" -o \"%s\"",guard_in, guard_ou);
 137    cstatus=system(tmp6);
 138    if (!WIFEXITED(cstatus) || WEXITSTATUS(cstatus)) {
 139       debuga(_("sort command return status %d\n"),WEXITSTATUS(cstatus));
 140       debuga(_("sort command: %s\n"),tmp6);
 141       exit(EXIT_FAILURE);
 142    }
 143    unlink(guard_in);
 144 }