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 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\"><i>%s</i></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.log",tmp);
  66         if(!denied_count) {
  67                 unlink(denied_in);
  68                 return;
  69         }
  70
  71         sprintf(report,"%s/denied.html",outdirname);
  72
  73         if((fp_in=MY_FOPEN(denied_in,"r"))==NULL) {
  74                 debuga(_("(denied) Cannot open log file %s\n"),denied_in);
  75                 exit(EXIT_FAILURE);
  76         }
  77
  78         if((fp_ou=MY_FOPEN(report,"w"))==NULL) {
  79                 debuga(_("(denied) Cannot open log file %s\n"),report);
  80                 exit(EXIT_FAILURE);
  81         }
  82
  83         write_html_header(fp_ou,(IndexTree == INDEX_TREE_DATE) ? 3 : 1,_("Denied"),HTML_JS_NONE);
  84         fputs("<tr><td class=\"header_c\">",fp_ou);
  85         fprintf(fp_ou,_("Period: %s"),period.html);
  86         fputs("</td></tr>\n",fp_ou);
  87         fprintf(fp_ou,"<tr><th class=\"header_c\">%s</th></tr>\n",_("Denied"));
  88         close_html_header(fp_ou);
  89
  90         fputs("<div class=\"report\"><table cellpadding=\"0\" cellspacing=\"2\">\n",fp_ou);
  91         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"));
  92
  93         if ((line=longline_create())==NULL) {
  94                 debuga(_("Not enough memory to read the denied accesses\n"));
  95                 exit(EXIT_FAILURE);
  96         }
  97
  98         while((buf=longline_read(fp_in,line))!=NULL) {
  99                 getword_start(&gwarea,buf);
 100                 if (getword(data,sizeof(data),&gwarea,'\t')<0 || getword(hora,sizeof(hora),&gwarea,'\t')<0 ||
 101                     getword(user,sizeof(user),&gwarea,'\t')<0 || getword(ip,sizeof(ip),&gwarea,'\t')<0) {
 102                         debuga(_("There is a broken record or garbage in file %s\n"),denied_in);
 103                         exit(EXIT_FAILURE);
 104                 }
 105                 if (getword_ptr(buf,&url,&gwarea,'\t')<0) {
 106                         debuga(_("There is a broken url in file %s\n"),denied_in);
 107                         exit(EXIT_FAILURE);
 108                 }
 109                 if (sscanf(data,"%d/%d/%d",&day,&month,&year)!=3) continue;
 110                 computedate(year,month,day,&t);
 111                 strftime(data,sizeof(data),"%x",&t);
 112
 113                 uinfo=userinfo_find_from_id(user);
 114                 if (!uinfo) {
 115                         debuga(_("Unknown user ID %s in file %s\n"),user,denied_in);
 116                         exit(EXIT_FAILURE);
 117                 }
 118
 119                 new_user=false;
 120                 if(!z) {
 121                         strcpy(ouser,user);
 122                         strcpy(oip,ip);
 123                         z=true;
 124                         new_user=true;
 125                 } else {
 126                         if(strcmp(ouser,user) != 0) {
 127                                 strcpy(ouser,user);
 128                                 new_user=true;
 129                         }
 130                         if(strcmp(oip,ip) != 0) {
 131                                 strcpy(oip,ip);
 132                                 new_user=true;
 133                         }
 134                 }
 135
 136                 if(DeniedReportLimit) {
 137                         if(strcmp(ouser2,uinfo->label) == 0) {
 138                                 count++;
 139                         } else {
 140                                 if(count>DeniedReportLimit && DeniedReportLimit>0)
 141                                         show_ignored_denied(fp_ou,count-DeniedReportLimit);
 142                                 count=1;
 143                                 strcpy(ouser2,uinfo->label);
 144                         }
 145                         if(count > DeniedReportLimit)
 146                                 continue;
 147                 }
 148
 149                 fputs("<tr>",fp_ou);
 150                 if (new_user)
 151                         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);
 152                 else
 153                         fputs("<td class=\"data\"></td><td class=\"data\"></td>",fp_ou);
 154                 fprintf(fp_ou,"<td class=\"data\">%s-%s</td><td class=\"data2\">",data,hora);
 155                 if(BlockIt[0] != '\0') {
 156                         fprintf(fp_ou,"<a href=\"%s%s?url=",wwwDocumentRoot,BlockIt);
 157                         output_html_url(fp_ou,url);
 158                         fprintf(fp_ou,"\"><img src=\"%s/sarg-squidguard-block.png\"></a>&nbsp;",ImageFile);
 159                 }
 160                 fputs("<a href=\"http://",fp_ou);
 161                 output_html_url(fp_ou,url);
 162                 fputs("\">http://",fp_ou);
 163                 output_html_string(fp_ou,url,100);
 164                 fputs("</a></td></tr>\n",fp_ou);
 165         }
 166         fclose(fp_in);
 167         longline_destroy(&line);
 168
 169         if(count>DeniedReportLimit && DeniedReportLimit>0)
 170                 show_ignored_denied(fp_ou,count-DeniedReportLimit);
 171
 172         fputs("</table></div>\n",fp_ou);
 173         if (write_html_trailer(fp_ou)<0)
 174                 debuga(_("Write error in file %s\n"),report);
 175         if (fclose(fp_ou)<0)
 176                 debuga(_("Failed to close file %s - %s\n"),report,strerror(errno));
 177
 178         if (unlink(denied_in)==-1)
 179                 debuga(_("Failed to delete the file \"%s\" after processing it - %s\n"),denied_in,strerror(errno));
 180
 181         return;
 182 }