denied.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 gen_denied_report(void)
  31 {
  32
  33    FILE *fp_in = NULL, *fp_ou = NULL;
  34
  35    char *buf;
  36    char *url;
  37    char denied_in[MAXLEN];
  38    char report[MAXLEN];
  39    char ip[MAXLEN];
  40    char oip[MAXLEN];
  41    char user[MAXLEN];
  42    char ouser[MAXLEN];
  43    char ouser2[MAXLEN];
  44    char data[15];
  45    char hora[15];
  46    bool  z=false;
  47    int  count=0;
  48    int day,month,year;
  49    bool new_user;
  50    struct getwordstruct gwarea;
  51    longline line;
  52    struct userinfostruct *uinfo;
  53    struct tm t;
  54
  55    ouser[0]='\0';
  56    ouser2[0]='\0';
  57
  58    sprintf(denied_in,"%s/sarg/denied.log",TempDir);
  59    if(!denied_count) {
  60       unlink(denied_in);
  61       return;
  62    }
  63
  64    sprintf(report,"%s/denied.html",outdirname);
  65
  66    if((fp_in=MY_FOPEN(denied_in,"r"))==NULL) {
  67      debuga(_("(denied) Cannot open log file %s\n"),denied_in);
  68      exit(EXIT_FAILURE);
  69    }
  70
  71    if((fp_ou=MY_FOPEN(report,"w"))==NULL) {
  72      debuga(_("(denied) Cannot open log file %s\n"),report);
  73      exit(EXIT_FAILURE);
  74    }
  75
  76    write_html_header(fp_ou,(IndexTree == INDEX_TREE_DATE) ? 3 : 1,_("Denied"));
  77    fputs("<tr><td class=\"header_c\">",fp_ou);
  78    fprintf(fp_ou,_("Period: %s"),period.html);
  79    fputs("</td></tr>\n",fp_ou);
  80    fprintf(fp_ou,"<tr><th class=\"header_c\">%s</th></tr>\n",_("Denied"));
  81    close_html_header(fp_ou);
  82
  83    fputs("<div class=\"report\"><table cellpadding=\"0\" cellspacing=\"2\">\n",fp_ou);
  84    fprintf(fp_ou,"<tr><th class=\"header_l\">%s</th><th class=\"header_l\">%s</th><th class=\"header_l\">%s</th><th class=\"header_l\">%s</th></tr>\n",_("USERID"),_("IP/NAME"),_("DATE/TIME"),_("ACCESSED SITE"));
  85
  86    if ((line=longline_create())==NULL) {
  87       debuga(_("Not enough memory to read the denied accesses\n"));
  88       exit(EXIT_FAILURE);
  89    }
  90
  91    while((buf=longline_read(fp_in,line))!=NULL) {
  92       getword_start(&gwarea,buf);
  93       if (getword(data,sizeof(data),&gwarea,'\t')<0 || getword(hora,sizeof(hora),&gwarea,'\t')<0 ||
  94           getword(user,sizeof(user),&gwarea,'\t')<0 || getword(ip,sizeof(ip),&gwarea,'\t')<0) {
  95          debuga(_("There is a broken record or garbage in file %s\n"),denied_in);
  96          exit(EXIT_FAILURE);
  97       }
  98       if (getword_ptr(buf,&url,&gwarea,'\t')<0) {
  99          debuga(_("There is a broken url in file %s\n"),denied_in);
 100          exit(EXIT_FAILURE);
 101       }
 102       if (sscanf(data,"%d/%d/%d",&day,&month,&year)!=3) continue;
 103       computedate(year,month,day,&t);
 104       strftime(data,sizeof(data),"%x",&t);
 105
 106       uinfo=userinfo_find_from_id(user);
 107       if (!uinfo) {
 108          debuga(_("Unknown user ID %s in file %s\n"),user,denied_in);
 109          exit(EXIT_FAILURE);
 110       }
 111
 112       new_user=false;
 113       if(!z) {
 114          strcpy(ouser,user);
 115          strcpy(oip,ip);
 116          z=true;
 117          new_user=true;
 118       } else {
 119          if(strcmp(ouser,user) != 0) {
 120             strcpy(ouser,user);
 121             new_user=true;
 122          }
 123          if(strcmp(oip,ip) != 0) {
 124             strcpy(oip,ip);
 125             new_user=true;
 126          }
 127       }
 128
 129       if(DeniedReportLimit) {
 130          if(strcmp(ouser2,uinfo->label) == 0) {
 131             count++;
 132          } else {
 133             count=1;
 134             strcpy(ouser2,uinfo->label);
 135          }
 136          if(count >= DeniedReportLimit)
 137             continue;
 138       }
 139
 140       fputs("<tr>",fp_ou);
 141       if (new_user)
 142          fprintf(fp_ou,"<td class=\"data\">%s</td><td class=\"data\">%s</td>",uinfo->label,ip);
 143       else
 144          fputs("<td class=\"data\"></td><td class=\"data\"></td>",fp_ou);
 145       fprintf(fp_ou,"<td class=\"data\">%s-%s</td><td class=\"data2\">",data,hora);
 146       if(BlockIt[0] != '\0') {
 147          fprintf(fp_ou,"<a href=\"%s%s?url=",wwwDocumentRoot,BlockIt);
 148          output_html_url(fp_ou,url);
 149          fprintf(fp_ou,"\"><img src=\"%s/sarg-squidguard-block.png\"></a>&nbsp;",ImageFile);
 150       }
 151       fputs("<a href=\"http://",fp_ou);
 152       output_html_url(fp_ou,url);
 153       fputs("\">http://",fp_ou);
 154       output_html_string(fp_ou,url,100);
 155       fputs("</a></td></tr>\n",fp_ou);
 156    }
 157    fclose(fp_in);
 158    longline_destroy(&line);
 159
 160    fputs("</table></div>\n",fp_ou);
 161    if (write_html_trailer(fp_ou)<0)
 162       debuga(_("Write error in file %s\n"),report);
 163    if (fclose(fp_ou)<0)
 164       debuga(_("Failed to close file %s - %s\n"),report,strerror(errno));
 165
 166    unlink(denied_in);
 167
 168    return;
 169 }