lastlog.c

   1 /*
   2  * AUTHOR: Pedro Lineu Orso                         pedro.orso@gmail.com
   3  *                                                            1998, 2008
   4  * SARG Squid Analysis Report Generator      http://sarg.sourceforge.net
   5  *
   6  * SARG donations:
   7  *      please look at http://sarg.sourceforge.net/donations.php
   8  * ---------------------------------------------------------------------
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  23  *
  24  */
  25
  26 #include "include/conf.h"
  27
  28 void mklastlog(const char *outdir)
  29 {
  30
  31    FILE *fp_in, *fp_ou;
  32    DIR *dirp;
  33    struct dirent *direntp;
  34    char temp[MAXLEN];
  35    char warea[MAXLEN];
  36    char ftime[128];
  37    int  ftot=0;
  38    time_t t;
  39    struct tm *local;
  40    struct stat statb;
  41    int cstatus;
  42
  43    if(strcmp(LastLog,"0") == 0)
  44       return;
  45
  46    sprintf(temp,"%slastlog1",outdir);
  47    if((fp_ou=fopen(temp,"w"))==NULL) {
  48      fprintf(stderr, "SARG: (lastlog) %s: %s\n",text[9],temp);
  49      exit(1);
  50    }
  51
  52    dirp = opendir(outdir);
  53    while ((direntp = readdir( dirp )) != NULL ){
  54       if(strstr(direntp->d_name,"-") == 0)
  55          continue;
  56
  57       sprintf(warea,"%s%s",outdir,direntp->d_name);
  58       stat(warea,&statb);
  59       t=statb.st_ctime;
  60       local = localtime(&t);
  61       strftime(ftime, 127, "%Y%m%d%H%M%S", local);
  62       fprintf(fp_ou,"%s %s\n",ftime,direntp->d_name);
  63       ftot++;
  64    }
  65
  66    (void)rewinddir( dirp );
  67    (void)closedir( dirp );
  68    fclose(fp_ou);
  69
  70    sprintf(buf,"sort -n -k 1,1 -o '%slastlog' '%s'",outdir,temp);
  71    cstatus=system(buf);
  72    if (!WIFEXITED(cstatus) || WEXITSTATUS(cstatus)) {
  73       fprintf(stderr, "SARG: sort command return status %d\n",WEXITSTATUS(cstatus));
  74       fprintf(stderr, "SARG: sort command: %s\n",buf);
  75       exit(1);
  76    }
  77
  78    unlink(temp);
  79
  80    if(ftot<=atoi(LastLog)) {
  81       sprintf(temp,"%slastlog",outdir);
  82       if(access(temp, R_OK) == 0)
  83          unlink(temp);
  84       return;
  85    }
  86
  87    ftot-=atoi(LastLog);
  88
  89    sprintf(temp,"%slastlog",outdir);
  90    if((fp_in=fopen(temp,"r"))==NULL) {
  91      fprintf(stderr, "SARG: (lastlog) %s: %s\n",text[9],temp);
  92      exit(1);
  93    }
  94
  95    while(fgets(buf,sizeof(buf),fp_in)!=NULL) {
  96       if (getword(warea,sizeof(warea),buf,' ')<0) {
  97          printf("SARG: Maybe you have a broken record or garbage in your %s file.\n",temp);
  98          exit(1);
  99       }
 100       buf[strlen(buf)-1]='\0';
 101
 102       if(ftot) {
 103          if(debug) {
 104             sprintf(msg,"%s: %s",text[81],buf);
 105             debuga(msg);
 106          }
 107 //         sprintf(temp,"%s%s",outdir,buf);
 108          sprintf(temp,"rm -r %s%s",outdir,buf);
 109          system(temp);
 110          unlink(temp);
 111          ftot--;
 112       }
 113    }
 114
 115    fclose(fp_in);
 116    sprintf(temp,"%slastlog",outdir);
 117    unlink(temp);
 118
 119    return;
 120 }