authfail.c

   1 /*
   2  * SARG Squid Analysis Report Generator      http://sarg.sourceforge.net
   3  *                                                            1998, 2011
   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 authfail_report(void)
  31 {
  32         FILE *fp_in = NULL, *fp_ou = NULL;
  33
  34         char *buf;
  35         char *url;
  36         char authfail_in[MAXLEN];
  37         char report[MAXLEN];
  38         char ip[MAXLEN];
  39         char oip[MAXLEN];
  40         char user[MAXLEN];
  41         char ouser[MAXLEN];
  42         char ouser2[MAXLEN];
  43         char data[15];
  44         char hora[15];
  45         char tmp4[MAXLEN];
  46         char csort[MAXLEN];
  47         int  z=0;
  48         int  count=0;
  49         int  cstatus;
  50         int day,month,year;
  51         bool new_user;
  52         struct getwordstruct gwarea;
  53         longline line;
  54         struct userinfostruct *uinfo;
  55         struct tm t;
  56
  57         if(DataFile[0] != '\0') return;
  58
  59         ouser[0]='\0';
  60         ouser2[0]='\0';
  61         oip[0]='\0';
  62
  63         snprintf(tmp4,sizeof(tmp4),"%s/authfail.log.unsort",tmp);
  64
  65         if(authfail_count == 0) {
  66                 unlink(tmp4);
  67                 return;
  68         }
  69
  70         snprintf(authfail_in,sizeof(authfail_in),"%s/authfail.log",tmp);
  71         snprintf(report,sizeof(report),"%s/authfail.html",outdirname);
  72
  73         snprintf(csort,sizeof(csort),"sort -b -T \"%s\" -k 3,3 -k 5,5 -o \"%s\" \"%s\"", tmp, authfail_in, tmp4);
  74         cstatus=system(csort);
  75         if (!WIFEXITED(cstatus) || WEXITSTATUS(cstatus)) {
  76                 debuga(_("sort command return status %d\n"),WEXITSTATUS(cstatus));
  77                 debuga(_("sort command: %s\n"),csort);
  78                 exit(EXIT_FAILURE);
  79         }
  80         if((fp_in=MY_FOPEN(authfail_in,"r"))==NULL) {
  81                 debuga(_("(authfail) Cannot open file %s\n"),authfail_in);
  82                 debuga(_("sort command: %s\n"),csort);
  83                 exit(EXIT_FAILURE);
  84         }
  85         if (unlink(tmp4)) {
  86                 debuga(_("Cannot delete %s - %s\n"),tmp4,strerror(errno));
  87                 exit(EXIT_FAILURE);
  88         }
  89
  90         if((fp_ou=MY_FOPEN(report,"w"))==NULL) {
  91                 debuga(_("(authfail) Cannot open file %s\n"),report);
  92                 exit(EXIT_FAILURE);
  93         }
  94
  95         write_html_header(fp_ou,(IndexTree == INDEX_TREE_DATE) ? 3 : 1,_("Authentication Failures"),HTML_JS_NONE);
  96         fputs("<tr><td class=\"header_c\">",fp_ou);
  97         fprintf(fp_ou,_("Period: %s"),period.html);
  98         fputs("</td></tr>\n",fp_ou);
  99         fprintf(fp_ou,"<tr><th class=\"header_c\">%s</th></tr>\n",_("Authentication Failures"));
 100         close_html_header(fp_ou);
 101
 102         fputs("<div class=\"report\"><table cellpadding=\"0\" cellspacing=\"2\">\n",fp_ou);
 103         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"));
 104
 105         if ((line=longline_create())==NULL) {
 106                 debuga(_("Not enough memory to read file %s\n"),authfail_in);
 107                 exit(EXIT_FAILURE);
 108         }
 109
 110         while((buf=longline_read(fp_in,line))!=NULL) {
 111                 getword_start(&gwarea,buf);
 112                 if (getword(data,sizeof(data),&gwarea,'\t')<0) {
 113                         debuga(_("There is a broken date in file %s\n"),authfail_in);
 114                         exit(EXIT_FAILURE);
 115                 }
 116                 if (getword(hora,sizeof(hora),&gwarea,'\t')<0) {
 117                         debuga(_("There is a broken time in file %s\n"),authfail_in);
 118                         exit(EXIT_FAILURE);
 119                 }
 120                 if (getword(user,sizeof(user),&gwarea,'\t')<0) {
 121                         debuga(_("There is a broken user ID in file %s\n"),authfail_in);
 122                         exit(EXIT_FAILURE);
 123                 }
 124                 if (getword(ip,sizeof(ip),&gwarea,'\t')<0) {
 125                         debuga(_("There is a broken IP address in file %s\n"),authfail_in);
 126                         exit(EXIT_FAILURE);
 127                 }
 128                 if (getword_ptr(buf,&url,&gwarea,'\t')<0) {
 129                         debuga(_("There is a broken url in file %s\n"),authfail_in);
 130                         exit(EXIT_FAILURE);
 131                 }
 132                 if (sscanf(data,"%d/%d/%d",&day,&month,&year)!=3) continue;
 133                 computedate(year,month,day,&t);
 134                 strftime(data,sizeof(data),"%x",&t);
 135
 136                 uinfo=userinfo_find_from_id(user);
 137                 if (!uinfo) {
 138                         debuga(_("Unknown user ID %s in file %s\n"),user,authfail_in);
 139                         exit(EXIT_FAILURE);
 140                 }
 141
 142                 new_user=false;
 143                 if(z == 0) {
 144                         strcpy(ouser,user);
 145                         strcpy(oip,ip);
 146                         z++;
 147                         new_user=true;
 148                 } else {
 149                         if(strcmp(ouser,user) != 0) {
 150                                 strcpy(ouser,user);
 151                                 new_user=true;
 152                         }
 153                         if(strcmp(oip,ip) != 0) {
 154                                 strcpy(oip,ip);
 155                                 new_user=true;
 156                         }
 157                 }
 158
 159                 if(AuthfailReportLimit>0) {
 160                         if(strcmp(ouser2,uinfo->label) == 0) {
 161                                 count++;
 162                         } else {
 163                                 count=1;
 164                                 strcpy(ouser2,uinfo->label);
 165                         }
 166                         if(count >= AuthfailReportLimit)
 167                                 continue;
 168                 }
 169
 170                 fputs("<tr>",fp_ou);
 171                 if (new_user)
 172                         fprintf(fp_ou,"<td class=\"data2\">%s</td><td class=\"data2\">%s</td>",uinfo->label,ip);
 173                 else
 174                         fputs("<td class=\"data2\"></td><td class=\"data2\"></td>",fp_ou);
 175                 fprintf(fp_ou,"<td class=\"data2\">%s-%s</td><td class=\"data2\">",data,hora);
 176                 if(BlockIt[0]!='\0') {
 177                         fprintf(fp_ou,"<a href=\"%s%s?url=",wwwDocumentRoot,BlockIt);
 178                         output_html_url(fp_ou,url);
 179                         fputs("\"><img src=\"../images/sarg-squidguard-block.png\"></a>&nbsp;",fp_ou);
 180                 }
 181                 fputs("<a href=\"",fp_ou);
 182                 output_html_url(fp_ou,url);
 183                 fputs("\">",fp_ou);
 184                 output_html_string(fp_ou,url,100);
 185                 fputs("</a></td></th>\n",fp_ou);
 186         }
 187         fclose(fp_in);
 188         longline_destroy(&line);
 189
 190         fputs("</table></div>\n",fp_ou);
 191         if (write_html_trailer(fp_ou)<0)
 192                 debuga(_("Write error in file %s\n"),report);
 193         if (fclose(fp_ou)==EOF)
 194                 debuga(_("Failed to close file %s - %s\n"),report,strerror(errno));
 195
 196         if (unlink(authfail_in)) {
 197                 debuga(_("Cannot delete %s - %s\n"),authfail_in,strerror(errno));
 198                 exit(EXIT_FAILURE);
 199         }
 200
 201         return;
 202 }