decomp.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 decomp(char *arq, char *zip, const char *tmp)
  31 {
  32    char cmd[1024];
  33    int cstatus;
  34    int arqlen;
  35
  36    if(access(arq, R_OK) != 0) {
  37       debuga("%s: %s",text[64],arq);
  38       exit(1);
  39    }
  40
  41    arqlen=strlen(arq);
  42    if(arqlen>3 && strcmp(arq+arqlen-3,".gz") == 0) {
  43       debuga("%s: %s > %s/sarg/sarg-file.in (zcat)",text[62],arq,tmp);
  44       if (snprintf(cmd,sizeof(cmd),"zcat \"%s\" > \"%s/sarg/sarg-file.in\"",arq,tmp)>=sizeof(cmd)) {
  45          fprintf(stderr,"SARG: decompression command too long for log file %s\n",arq);
  46          exit(1);
  47       }
  48       cstatus=system(cmd);
  49       if (!WIFEXITED(cstatus) || WEXITSTATUS(cstatus)) {
  50          fprintf(stderr, "SARG: command return status %d\n",WEXITSTATUS(cstatus));
  51          fprintf(stderr, "SARG: command: %s\n",cmd);
  52          exit(1);
  53       }
  54       strcpy(zip,"zcat");
  55       sprintf(arq,"%s/sarg/sarg-file.in",tmp);
  56       return;
  57    }
  58
  59    if(arqlen>4 && strcmp(arq+arqlen-4,".bz2") == 0) {
  60       debuga("%s: %s > %s/sarg/sarg-file.in (bzcat)",text[62],arq,tmp);
  61       if (snprintf(cmd,sizeof(cmd),"bzcat \"%s\" > \"%s/sarg/sarg-file.in\"",arq,tmp)>=sizeof(cmd)) {
  62          fprintf(stderr,"SARG: decompression command too long for log file %s\n",arq);
  63          exit(1);
  64       }
  65       cstatus=system(cmd);
  66       if (!WIFEXITED(cstatus) || WEXITSTATUS(cstatus)) {
  67          fprintf(stderr, "SARG: command return status %d\n",WEXITSTATUS(cstatus));
  68          fprintf(stderr, "SARG: command: %s\n",cmd);
  69          exit(1);
  70       }
  71       strcpy(zip,"zcat");
  72       sprintf(arq,"%s/sarg/sarg-file.in",tmp);
  73       return;
  74    }
  75
  76    if(arqlen>2 && strcmp(arq+arqlen-2,".Z") == 0) {
  77       debuga("%s: %s (uncompress)",text[62],arq);
  78       if (snprintf(cmd,sizeof(cmd),"zcat \"%s\" > \"%s/sarg/sarg-file.in\"",arq,tmp)>=sizeof(cmd)) {
  79          fprintf(stderr,"SARG: decompression command too long for log file %s\n",arq);
  80          exit(1);
  81       }
  82       cstatus=system(cmd);
  83       if (!WIFEXITED(cstatus) || WEXITSTATUS(cstatus)) {
  84          fprintf(stderr, "SARG: command return status %d\n",WEXITSTATUS(cstatus));
  85          fprintf(stderr, "SARG: command: %s\n",cmd);
  86          exit(1);
  87       }
  88       strcpy(zip,"zcat");
  89       sprintf(arq,"%s/sarg/sarg-file.in",tmp);
  90    }
  91
  92    return;
  93
  94 }
  95
  96
  97 void recomp(const char *arq, const char *zip)
  98 {
  99    char cmd[1024];
 100    int cstatus;
 101
 102    if(access(arq, R_OK) != 0) {
 103       debuga("%s: %s",text[64],arq);
 104       exit(1);
 105    }
 106
 107    if((strcmp(zip,"gzip") != 0) &&
 108       (strcmp(zip,"compress") != 0))
 109       return;
 110
 111    debuga("%s: %s",text[63],arq);
 112
 113    if (snprintf(cmd,sizeof(cmd),"%s \"%s\"",zip,arq)>=sizeof(cmd)) {
 114       fprintf(stderr,"SARG: compression command too long for log file %s\n",arq);
 115       exit(1);
 116    }
 117    cstatus=system(cmd);
 118    if (!WIFEXITED(cstatus) || WEXITSTATUS(cstatus)) {
 119       fprintf(stderr, "SARG: command return status %d\n",WEXITSTATUS(cstatus));
 120       fprintf(stderr, "SARG: command: %s\n",cmd);
 121       exit(1);
 122    }
 123    return;
 124
 125 }