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 per[MAXLEN];
  39    char report[MAXLEN];
  40    char period[100];
  41    char ip[MAXLEN];
  42    char oip[MAXLEN];
  43    char user[MAXLEN];
  44    char ouser[MAXLEN];
  45    char ouser2[MAXLEN];
  46    char data[15];
  47    char hora[15];
  48    int  z=0;
  49    int  count=0;
  50    int new_user;
  51    struct getwordstruct gwarea;
  52    struct longlinestruct line;
  53    struct userinfostruct *uinfo;
  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(per,"%s/sarg-period",dirname);
  65    sprintf(report,"%s/denied.html",dirname);
  66
  67    if ((fp_in = fopen(per, "r")) == 0) {
  68       fprintf(stderr, "SARG: (denied) %s: %s\n",text[45],per);
  69       exit(1);
  70    }
  71
  72    if (!fgets(period,sizeof(period),fp_in)) {
  73       debuga(_("(denied) read error in %s"),per);
  74       exit(1);
  75    }
  76    fclose(fp_in);
  77
  78    if((fp_in=MY_FOPEN(denied_in,"r"))==NULL) {
  79      fprintf(stderr, "SARG: (denied) %s: %s\n",text[8],denied_in);
  80      exit(1);
  81    }
  82
  83    if((fp_ou=MY_FOPEN(report,"w"))==NULL) {
  84      fprintf(stderr, "SARG: (denied) %s: %s\n",text[8],report);
  85      exit(1);
  86    }
  87
  88    write_html_header(fp_ou,(IndexTree == INDEX_TREE_DATE) ? 3 : 1,_("DENIED"));
  89    fprintf(fp_ou,"<tr><td class=\"header_l\">%s: %s</td></tr>\n",text[89],period);
  90    fprintf(fp_ou,"<tr><th class=\"header_c\">%s</th></tr>\n",text[46]);
  91    close_html_header(fp_ou);
  92
  93    fputs("<div class=\"report\"><table cellpadding=\"0\" cellspacing=\"2\">\n",fp_ou);
  94    fputs("<tr><td></td></tr>\n",fp_ou);
  95    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",text[98],text[111],text[110],text[91]);
  96
  97    if (longline_prepare(&line)<0) {
  98       debuga(_("Not enough memory to read the denied accesses"));
  99       exit(1);
 100    }
 101
 102    while((buf=longline_read(fp_in,&line))!=NULL) {
 103       getword_start(&gwarea,buf);
 104       if (getword(data,sizeof(data),&gwarea,'\t')<0 || getword(hora,sizeof(hora),&gwarea,'\t')<0 ||
 105           getword(user,sizeof(user),&gwarea,'\t')<0 || getword(ip,sizeof(ip),&gwarea,'\t')<0) {
 106          debuga(_("There is a broken record or garbage in file %s"),denied_in);
 107          exit(1);
 108       }
 109       if (getword_ptr(buf,&url,&gwarea,'\t')<0) {
 110          debuga(_("There is a broken url in file %s"),denied_in);
 111          exit(1);
 112       }
 113
 114       uinfo=userinfo_find_from_id(user);
 115       if (!uinfo) {
 116          debuga(_("Unknown user ID %s in file %s"),user,denied_in);
 117          exit(1);
 118       }
 119
 120       new_user=0;
 121       if(!z) {
 122          strcpy(ouser,user);
 123          strcpy(oip,ip);
 124          z++;
 125          new_user=1;
 126       } else {
 127          if(strcmp(ouser,user) != 0) {
 128             strcpy(ouser,user);
 129             new_user=1;
 130          }
 131          if(strcmp(oip,ip) != 0) {
 132             strcpy(oip,ip);
 133             new_user=1;
 134          }
 135       }
 136
 137       if(DeniedReportLimit) {
 138          if(strcmp(ouser2,uinfo->label) == 0) {
 139             count++;
 140          } else {
 141             count=1;
 142             strcpy(ouser2,uinfo->label);
 143          }
 144          if(count >= DeniedReportLimit)
 145             continue;
 146       }
 147
 148       fputs("<tr>",fp_ou);
 149       if (new_user)
 150          fprintf(fp_ou,"<td class=\"data\">%s</td><td class=\"data\">%s</td>",uinfo->label,ip);
 151       else
 152          fputs("<td class=\"data\"></td><td class=\"data\"></td>",fp_ou);
 153       fprintf(fp_ou,"<td class=\"data\">%s-%s</td><td class=\"data2\">",data,hora);
 154       if(BlockIt[0] != '\0') {
 155          fprintf(fp_ou,"<a href=\"%s%s?url=",wwwDocumentRoot,BlockIt);
 156          output_html_url(fp_ou,url);
 157          fprintf(fp_ou,"\"><img src=\"%s/sarg-squidguard-block.png\"></a>&nbsp;",ImageFile);
 158       }
 159       fputs("<a href=\"http://",fp_ou);
 160       output_html_url(fp_ou,url);
 161       fputs("\">http://",fp_ou);
 162       output_html_string(fp_ou,url,100);
 163       fputs("</a></td></tr>\n",fp_ou);
 164    }
 165    fclose(fp_in);
 166    longline_free(&line);
 167
 168    fputs("</table></div>\n",fp_ou);
 169    write_html_trailer(fp_ou);
 170    fclose(fp_ou);
 171
 172    unlink(denied_in);
 173
 174    return;
 175 }