denied.c

   1 /*
   2  * SARG Squid Analysis Report Generator      http://sarg.sourceforge.net
   3  *                                                            1998, 2012
   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 static void show_ignored_denied(FILE *fp_ou,int count)
  31 {
  32         char ignored[80];
  33
  34         snprintf(ignored,sizeof(ignored),ngettext("%d more denied access not shown here&hellip;","%d more denied accesses not shown here&hellip;",count),count);
  35         fprintf(fp_ou,"<tr><td class=\"data\"></td><td class=\"data\"></td><td class=\"data\"></td><td class=\"data2 more\">%s</td></tr>\n",ignored);
  36 }
  37
  38 void gen_denied_report(void)
  39 {
  40         FILE *fp_in = NULL, *fp_ou = NULL;
  41
  42         char *buf;
  43         char *url;
  44         char denied_in[MAXLEN];
  45         char report[MAXLEN];
  46         char ip[MAXLEN];
  47         char oip[MAXLEN];
  48         char user[MAXLEN];
  49         char ouser[MAXLEN];
  50         char ouser2[MAXLEN];
  51         char data[15];
  52         char hora[15];
  53         bool  z=false;
  54         int  count=0;
  55         int day,month,year;
  56         bool new_user;
  57         struct getwordstruct gwarea;
  58         longline line;
  59         struct userinfostruct *uinfo;
  60         struct tm t;
  61
  62         ouser[0]='\0';
  63         ouser2[0]='\0';
  64
  65         sprintf(denied_in,"%s/denied.int_log",tmp);
  66         if (!denied_count) {
  67                 unlink(denied_in);
  68                 if (debugz) debugaz(_("Denied report not produced because it is empty\n"));
  69                 return;
  70         }
  71
  72         sprintf(report,"%s/denied.html",outdirname);
  73
  74         if((fp_in=MY_FOPEN(denied_in,"r"))==NULL) {
  75                 debuga(_("(denied) Cannot open log file %s\n"),denied_in);
  76                 exit(EXIT_FAILURE);
  77         }
  78
  79         if((fp_ou=MY_FOPEN(report,"w"))==NULL) {
  80                 debuga(_("(denied) Cannot open log file %s\n"),report);
  81                 exit(EXIT_FAILURE);
  82         }
  83
  84         write_html_header(fp_ou,(IndexTree == INDEX_TREE_DATE) ? 3 : 1,_("Denied"),HTML_JS_NONE);
  85         fputs("<tr><td class=\"header_c\">",fp_ou);
  86         fprintf(fp_ou,_("Period: %s"),period.html);
  87         fputs("</td></tr>\n",fp_ou);
  88         fprintf(fp_ou,"<tr><th class=\"header_c\">%s</th></tr>\n",_("Denied"));
  89         close_html_header(fp_ou);
  90
  91         fputs("<div class=\"report\"><table cellpadding=\"0\" cellspacing=\"2\">\n",fp_ou);
  92         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"));
  93
  94         if ((line=longline_create())==NULL) {
  95                 debuga(_("Not enough memory to read the denied accesses\n"));
  96                 exit(EXIT_FAILURE);
  97         }
  98
  99         while((buf=longline_read(fp_in,line))!=NULL) {
 100                 getword_start(&gwarea,buf);
 101                 if (getword(data,sizeof(data),&gwarea,'\t')<0 || getword(hora,sizeof(hora),&gwarea,'\t')<0 ||
 102                     getword(user,sizeof(user),&gwarea,'\t')<0 || getword(ip,sizeof(ip),&gwarea,'\t')<0) {
 103                         debuga(_("There is a broken record or garbage in file %s\n"),denied_in);
 104                         exit(EXIT_FAILURE);
 105                 }
 106                 if (getword_ptr(buf,&url,&gwarea,'\t')<0) {
 107                         debuga(_("There is a broken url in file %s\n"),denied_in);
 108                         exit(EXIT_FAILURE);
 109                 }
 110                 if (sscanf(data,"%d/%d/%d",&day,&month,&year)!=3) continue;
 111                 computedate(year,month,day,&t);
 112                 strftime(data,sizeof(data),"%x",&t);
 113
 114                 uinfo=userinfo_find_from_id(user);
 115                 if (!uinfo) {
 116                         debuga(_("Unknown user ID %s in file %s\n"),user,denied_in);
 117                         exit(EXIT_FAILURE);
 118                 }
 119
 120                 new_user=false;
 121                 if(!z) {
 122                         strcpy(ouser,user);
 123                         strcpy(oip,ip);
 124                         z=true;
 125                         new_user=true;
 126                 } else {
 127                         if(strcmp(ouser,user) != 0) {
 128                                 strcpy(ouser,user);
 129                                 new_user=true;
 130                         }
 131                         if(strcmp(oip,ip) != 0) {
 132                                 strcpy(oip,ip);
 133                                 new_user=true;
 134                         }
 135                 }
 136
 137                 if(DeniedReportLimit) {
 138                         if(strcmp(ouser2,uinfo->label) == 0) {
 139                                 count++;
 140                         } else {
 141                                 if(count>DeniedReportLimit && DeniedReportLimit>0)
 142                                         show_ignored_denied(fp_ou,count-DeniedReportLimit);
 143                                 count=1;
 144                                 strcpy(ouser2,uinfo->label);
 145                         }
 146                         if(count > DeniedReportLimit)
 147                                 continue;
 148                 }
 149
 150                 fputs("<tr>",fp_ou);
 151                 if (new_user) {
 152                         if (uinfo->topuser)
 153                                 fprintf(fp_ou,"<td class=\"data\"><a href=\"%s/%s.html\">%s</a></td><td class=\"data\">%s</td>",uinfo->filename,uinfo->filename,uinfo->label,ip);
 154                         else
 155                                 fprintf(fp_ou,"<td class=\"data\">%s</td><td class=\"data\">%s</td>",uinfo->label,ip);
 156                 } else
 157                         fputs("<td class=\"data\"></td><td class=\"data\"></td>",fp_ou);
 158                 fprintf(fp_ou,"<td class=\"data\">%s-%s</td><td class=\"data2\">",data,hora);
 159                 if(BlockIt[0] != '\0' && url[0]!=ALIAS_PREFIX) {
 160                         fprintf(fp_ou,"<a href=\"%s%s?url=",wwwDocumentRoot,BlockIt);
 161                         output_html_url(fp_ou,url);
 162                         fprintf(fp_ou,"\"><img src=\"%s/sarg-squidguard-block.png\"></a>&nbsp;",ImageFile);
 163                 }
 164                 output_html_link(fp_ou,url,100);
 165                 fputs("</td></tr>\n",fp_ou);
 166         }
 167         fclose(fp_in);
 168         longline_destroy(&line);
 169
 170         if(count>DeniedReportLimit && DeniedReportLimit>0)
 171                 show_ignored_denied(fp_ou,count-DeniedReportLimit);
 172
 173         fputs("</table></div>\n",fp_ou);
 174         if (write_html_trailer(fp_ou)<0)
 175                 debuga(_("Write error in file %s\n"),report);
 176         if (fclose(fp_ou)<0)
 177                 debuga(_("Failed to close file %s - %s\n"),report,strerror(errno));
 178
 179         if (unlink(denied_in)==-1)
 180                 debuga(_("Failed to delete the file \"%s\" after processing it - %s\n"),denied_in,strerror(errno));
 181
 182         return;
 183 }