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ccsrch.c
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/*
* ccsrch (c) 2007 Mike Beekey - [email protected] All rights reserved
*
* Modifications (c) 2012 COMS3000 Assignment 2 Group Semester 2 <[email protected]>
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <time.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
#include "ccsrch.h"
char *logfilename = NULL;
char *currfilename = NULL;
FILE *logfilefd = NULL;
long total_count = 0;
long currfile_atime=0;
long currfile_mtime=0;
long currfile_ctime=0;
int init_time = 0;
int print_byte_offset=0;
int print_epoch_time=0;
int print_julian_time=0;
int print_filename_only=0;
char ccsrch_buf[BSIZE];
int ccsrch_index = 0;
int tracksrch=0;
int tracktype1=0;
int tracktype2=0;
int trackdatacount=0;
char lastfilename[MAXPATH];
int filename_pan_count=0;
void
initialize_buffer()
{
int i=0;
for (i=0; i<CARDSIZE; i++)
cardbuf[i]=0;
}
void
print_result(char *cardname, int cardlen, long byte_offset)
{
#ifndef TEST_MAIN
int i = 0;
char nbuf[20];
char buf[MAXPATH];
char basebuf[MDBUFSIZE];
char bytebuf[MDBUFSIZE];
char datebuf[MDBUFSIZE];
char mdatebuf[CARDTYPELEN];
char adatebuf[CARDTYPELEN];
char cdatebuf[CARDTYPELEN];
char trackbuf[MDBUFSIZE];
char print_filename[MAXPATH];
char cardpos[MAXPATH];
file_type parent_type;
memset(&nbuf, '\0', 20);
for (i = 0; i < cardlen; i++)
nbuf[i] = cardbuf[i]+48;
memset(&buf,'\0',MAXPATH);
memset(&basebuf,'\0',MDBUFSIZE);
// Show the filename of the archive if this file was extracted from somewhere
if (extracted_parent[0] != 0) {
strncpy(print_filename, extracted_parent, MAXPATH);
// Don't display the extracted file name with PDF, Excel, Word or ODS/OTS
if (filetype_parent[0] != 0)
parent_type = detect_file_type(filetype_parent);
else
parent_type = detect_file_type(extracted_parent);
if (parent_type != PDF && parent_type != MS_EXCELX &&
parent_type != MS_WORDX && parent_type != ODS && parent_type != OTS &&
parent_type != ODT && parent_type != OTT) {
strncat(print_filename, " -> ", 5);
if (index(currfilename, '/') == NULL) {
strncat(print_filename, currfilename,
MAXPATH - strlen(extracted_parent));
} else {
strncat(print_filename, index(currfilename, '/'),
MAXPATH - strlen(extracted_parent));
}
}
} else
strncpy(print_filename, currfilename, MAXPATH);
// Add in line numbers - only for non xlsx
if (extracted_parent[0] == 0 || parent_type != MS_EXCELX) {
snprintf(cardpos, MAXPATH, " - Line %ld:%ld", linenos[0], charposs[0]);
strncat(print_filename, cardpos, MAXPATH - strlen(print_filename));
}
/* MB we need to figure out how to update the count and spit out the final filename with the count. ensure that it gets flushed out on the last match if you are doing a diff between previous filename and new filename */
if (print_filename_only)
snprintf(basebuf, MDBUFSIZE, "%s", print_filename);
else if (strlen(cardname) < 7)
snprintf(basebuf, MDBUFSIZE, "%s\t%s\t\t%s", print_filename, cardname, nbuf);
else
snprintf(basebuf, MDBUFSIZE, "%s\t%s\t%s", print_filename, cardname, nbuf);
strncat(buf,basebuf,MAXPATH - strlen(buf));
if (print_byte_offset)
{
memset(&bytebuf,'\0',MDBUFSIZE);
snprintf(bytebuf, MDBUFSIZE, "\t%ld", byte_offset);
strncat(buf,bytebuf,MAXPATH - strlen(buf));
}
if (print_julian_time)
{
memset(&mdatebuf,'\0',CARDTYPELEN);
strncpy(mdatebuf,ctime((time_t *)&currfile_mtime),CARDTYPELEN);
mdatebuf[strlen(mdatebuf)-1]='\0';
memset(&adatebuf,'\0',CARDTYPELEN);
strncpy(adatebuf,ctime((time_t *)&currfile_atime),CARDTYPELEN);
adatebuf[strlen(adatebuf)-1]='\0';
memset(&cdatebuf,'\0',CARDTYPELEN);
strncpy(cdatebuf,ctime((time_t *)&currfile_ctime),CARDTYPELEN);
cdatebuf[strlen(cdatebuf)-1]='\0';
memset(&datebuf,'\0',MDBUFSIZE);
snprintf(datebuf, MDBUFSIZE, "\t%s\t%s\t%s", mdatebuf,adatebuf,cdatebuf);
strncat(buf,datebuf,MAXPATH - strlen(buf));
}
if (print_epoch_time)
{
memset(&datebuf,'\0',MDBUFSIZE);
snprintf(datebuf, MDBUFSIZE, "\t%ld\t%ld\t%ld", currfile_mtime,currfile_atime,currfile_ctime);
strncat(buf,datebuf,MAXPATH - strlen(buf));
}
if (tracksrch)
{
memset(&trackbuf,'\0',MDBUFSIZE);
if (tracktype1)
{
if (track1_srch(cardlen))
{
snprintf(trackbuf, MDBUFSIZE, "\tTRACK_1");
}
}
if (tracktype2)
{
if (track2_srch(cardlen))
{
snprintf(trackbuf, MDBUFSIZE, "\tTRACK_2");
}
}
strncat(buf,trackbuf,MAXPATH - strlen(buf));
}
if (logfilefd != NULL)
fprintf(logfilefd, "%s\n", buf);
else
fprintf(stdout, "%s\n", buf);
total_count++;
// Abide by shortcut option
if (opt_shortcut)
shortcut_breakout = 1;
#endif
}
int track1_srch(int cardlen)
{
/* [%:B:cardnum:^:name (first initial cap?, let's ignore the %)] */
if ((ccsrch_buf[ccsrch_index+1] == '^')
&& (ccsrch_buf[ccsrch_index-cardlen] == 66)
&& (ccsrch_buf[ccsrch_index+2] > 64)
&& (ccsrch_buf[ccsrch_index+2] < 91))
{
trackdatacount++;
return(1);
}
else
return(0);
}
int track2_srch(int cardlen)
{
/* [;:cardnum:=:expir date(YYMM), we'll use the ; here] */
if (((ccsrch_buf[ccsrch_index+1] == '=') || (ccsrch_buf[ccsrch_index+1] == 68))
&& ((ccsrch_buf[ccsrch_index-cardlen] == ';')||
((ccsrch_buf[ccsrch_index-cardlen] > 57) || (ccsrch_buf[ccsrch_index-cardlen] < 91)) )
&& ((ccsrch_buf[ccsrch_index+2] > 47)
&& (ccsrch_buf[ccsrch_index+2] < 58))
&& ((ccsrch_buf[ccsrch_index+3] > 47)
&& (ccsrch_buf[ccsrch_index+3] < 58)))
{
trackdatacount++;
return(1);
}
else
return(0);
}
int
process_prefix(int len, long offset)
{
switch (len)
{
case 16:
check_mastercard_16(offset);
check_visa_16(offset);
check_discover_16(offset);
check_jcb_16(offset);
break;
case 15:
check_amex_15(offset);
check_enroute_15(offset);
check_jcb_15(offset);
break;
case 14:
check_diners_club_cb_14(offset);
break;
/** It has been purported that these cards are no longer in use
case 13:
check_visa_13(offset);
break;
**/
}
return (0);
}
int
luhn_check(int len, long offset)
{
int i = 0;
int tmp = 0;
int total = 0;
int nummod = 0;
int num[CARDSIZE];
if (cardbuf[i]<=0)
return(0);
for (i=0; i<CARDSIZE; i++)
num[i]=0;
for (i=0; i<len; i++)
num[i]=cardbuf[i];
#ifdef DEBUG
for (i=0; i<len; i++)
printf("%d ",num[i]);
printf("\n");
#endif
for (i=len-2; i>=0; i-=2)
{
tmp=2*num[i];
num[i]=tmp;
if (num[i]>9)
num[i]-=9;
}
for (i = 0; i < len; i++)
total += num[i];
nummod = total % 10;
if (nummod == 0)
{
#ifdef DEBUG
printf("Luhn Check passed ***********************************\n");
#endif
process_prefix(len, offset);
}
return (nummod);
}
int
ccsrch(char *filename)
{
FILE *in = NULL;
int infd = 0;
int cnt = 0;
long byte_offset=1;
int k = 0;
int counter = 0;
int total = 0;
int check = 0;
long lineno = 1;
long charpos = 1;
int inside_xml_tag = 0;
int ods_in_table = 0;
file_type filetype;
file_type parent_type;
memset(&lastfilename,'\0',MAXPATH);
ccsrch_index=0;
errno = 0;
in = fopen(filename, "rb");
if (in == NULL)
{
#ifdef DEBUG
if (errno==13)
fprintf(stderr, "ccsrch: Unable to open file %s for reading; Permission Denied\n", filename);
else
fprintf(stderr, "ccsrch: Unable to open file %s for reading; errno=%d\n", filename, errno);
#endif
return (-1);
}
infd = fileno(in);
currfilename = filename;
byte_offset=1;
// Ensure that char skip array is reset to normal for each parse. Onus is on
// file type handling to set it up every time they need to
reset_skip_chars();
filetype = detect_file_type(filename);
switch (filetype) {
case ASCII:
case UNKNOWN:
case XML:
case MS_WORD:
case MS_EXCEL:
// Treat XML files like ASCII. There could be data within tags
// Treat old word and excel like ASCII files.
break;
case EXECUTABLE:
case BINARY:
case IMAGE:
case VIDEO:
case AUDIO:
skipped_executable_count++;
return -1;
case TAR:
return untar_and_parse(filename);
case ZIP:
return unzip_and_parse(filename);
case GZIP:
return gunzip_and_parse(filename);
case MS_WORDX:
return parse_docx(filename, false);
case MS_EXCELX:
return parse_xlsx(filename);
case PDF:
return convert_and_parse_pdf(filename);
case ODT:
case OTT:
// OpenDocument Text document - normal and template. Same for both
// Parse same as ODS and OTS
case ODS:
case OTS:
// OpenDocument Spreadsheet document - normal and template. Same for both
return parse_docx(filename, true);
}
file_count++;
initialize_buffer();
// Get parent type if we're handling like docx
if (processing_docx)
parent_type = detect_file_type(filetype_parent);
while (1)
{
memset(&ccsrch_buf, '\0', BSIZE);
cnt = read(infd, &ccsrch_buf, BSIZE - 1);
if (cnt <= 0)
break;
ccsrch_index = 0;
while (ccsrch_index < cnt)
{
if (processing_xlsx || processing_docx)
{
/* New age office programs. Needs to preempt everything else
* < and > characters are considered special in XML, and consequently
* can be safely assumed to be escaped when not representing opening and
* closing tags. We don't want to consider anything within tags.
*/
check = 0; // Default
if (inside_xml_tag) {
// If ODT or OTT and in a table, increment lines same as ODS. Otherwise
// increment lines every "/text:p>"
if (parent_type == ODT || parent_type == OTT)
{
if (buf_strstr(ccsrch_buf, ccsrch_index, cnt, "/table:table>"))
ods_in_table = 0;
else if (buf_strstr(ccsrch_buf, ccsrch_index, cnt, "table:table "))
ods_in_table = 1;
}
// Check for new lines in word. This could miss some if they span over
// the end of ccsrch_buf. Likelihood low though
if (processing_docx && (buf_strstr(ccsrch_buf, ccsrch_index, cnt,
"/w:r>") || ((parent_type == ODS || parent_type == OTS ||
((parent_type == ODT || parent_type == OTT) && ods_in_table)) &&
buf_strstr(ccsrch_buf, ccsrch_index, cnt, "/table:table-row>"))))
{
lineno++;
charpos = 1;
} else if (((parent_type == ODT || parent_type == OTT) &&
!ods_in_table) &&
buf_strstr(ccsrch_buf, ccsrch_index, cnt, "/text:p>"))
{
lineno++;
charpos = 1;
}
if (ccsrch_buf[ccsrch_index] == '>')
inside_xml_tag = 0;
} else if (ccsrch_buf[ccsrch_index] == '<')
inside_xml_tag = 1;
else
{
// Not inside a tag. This is doc content not metadata
check = 1;
charpos++;
}
}
if ((processing_xlsx || processing_docx) && !check) {
// Do nothing, we want to skip the tags
} else if ((ccsrch_buf[ccsrch_index] > 47) && (ccsrch_buf[ccsrch_index] < 58))
{
check = 1;
cardbuf[counter] = ((int)ccsrch_buf[ccsrch_index])-48;
linenos[counter] = lineno;
charposs[counter] = charpos;
counter++;
} else if (ccsrch_buf[ccsrch_index] == 0 || in_skipped_arr(ccsrch_buf[ccsrch_index]))
{
/*
* we consider anything within the skipchars array to be noise, and
* hence ignored. See ccsrch mods method in_skipped_arr for details
* otherwise, restart the count
*/
check = 0;
// Increse the current line number when we hit a newline.
if (ccsrch_buf[ccsrch_index] == '\n') {
lineno++;
charpos = 0;
}
} else if (filetype == MS_EXCEL && ccsrch_index + 1 < cnt &&
ccsrch_buf[ccsrch_index + 1] == 0 && ccsrch_index + 2 < cnt &&
ccsrch_buf[ccsrch_index + 2] == 0)
{
// Excel cell separation seems to be some character followed by 2 nulls
// Hard to handle. See: http://www.joelonsoftware.com/items/2008/02/19.html
check = 0;
lineno++;
} else if ((filetype == MS_EXCEL) &&
!isprint(ccsrch_buf[ccsrch_index]))
{
// Ignore anything in excel files that cannot be printed
check = 0;
} else
{
check = 0;
initialize_buffer();
counter=0;
}
if (((counter > 12) && (counter < CARDSIZE)) && (check))
{
switch (counter)
{
case 16:
luhn_check(16,byte_offset-16);
break;
case 15:
luhn_check(15,byte_offset-15);
break;
case 14:
luhn_check(14,byte_offset-14);
break;
case 13:
luhn_check(13,byte_offset-13);
break;
}
} else if ((counter == CARDSIZE) && (check))
{
for (k = 0; k < counter - 1; k++)
{
cardbuf[k] = cardbuf[k + 1];
linenos[k] = linenos[k + 1];
charposs[k] = charposs[k + 1];
}
cardbuf[k] = linenos[k] = charposs[k] = (-1);
luhn_check(13,byte_offset-13);
luhn_check(14,byte_offset-14);
luhn_check(15,byte_offset-15);
luhn_check(16,byte_offset-16);
counter--;
}
byte_offset++;
// Word handling implements it's own charpos incrementing
if (!processing_docx && !processing_xlsx)
charpos++;
ccsrch_index++;
// Abide by shortcut option
if (shortcut_breakout) {
shortcut_breakout = 0;
fclose(in);
return total;
}
}
}
fclose(in);
return (total);
}
int
escape_space(char *infile, char *outfile)
{
int i = 0;
int spc = 0;
char *tmpbuf = NULL;
int filelen = 0;
int newlen = 0;
int newpos = 0;
filelen = strlen(infile);
for (i = 0; i < filelen; i++)
if (infile[i] == ' ')
spc++;
newlen = filelen + spc + 1;
errno = 0;
tmpbuf = (char *)malloc(newlen);
if (tmpbuf == NULL)
{
#ifdef DEBUG
fprintf(stderr, "escape_space: can't allocate memory; errno=%d\n", errno);
#endif
return (1);
}
memset(tmpbuf, '\0', newlen);
i = 0;
while (i < filelen)
{
if (infile[i] == ' ')
{
tmpbuf[newpos++] = '\\';
tmpbuf[newpos] = infile[i];
} else
tmpbuf[newpos] = infile[i];
newpos++;
i++;
}
strncpy(outfile, tmpbuf, newlen);
free(tmpbuf);
return (0);
}
int
get_file_stat(char *inputfile, struct stat * fileattr)
{
struct stat ffattr;
int err = 0;
char *tmp2buf = NULL;
int filelen = 0;
filelen = strlen(inputfile);
errno = 0;
tmp2buf = (char *) malloc(filelen+1);
if (tmp2buf == NULL)
{
#ifdef DEBUG
fprintf(stderr, "get_file_stat: can't allocate memory; errno=%d\n", errno);
#endif
return (1);
}
memset(tmp2buf, '\0', filelen+1);
strncpy(tmp2buf, inputfile, filelen);
errno=0;
err = stat(tmp2buf, &ffattr);
if (err != 0)
{
#ifdef DEBUG
if (errno == ENOENT)
fprintf(stderr, "get_file_stat: File %s not found, can't get stat info\n", inputfile);
else
fprintf(stderr, "get_file_stat: Cannot stat file %s; errno=%d\n", inputfile, errno);
#endif
free(tmp2buf);
return (-1);
}
memcpy(fileattr, &ffattr, sizeof(ffattr));
currfile_atime=ffattr.st_atime;
currfile_mtime=ffattr.st_mtime;
currfile_ctime=ffattr.st_ctime;
free(tmp2buf);
return (0);
}
int
proc_dir_list(char *instr)
{
DIR *dirptr;
struct dirent *direntptr;
int dir_name_len = 0;
char *curr_path = NULL;
struct stat fstat;
struct stat infd_stat;
int err = 0;
char tmpbuf[4096];
errno = 0;
dir_name_len = strlen(instr);
dirptr = opendir(instr);
#ifdef DEBUG
printf("Checking directory <%s>\n",instr);
#endif
if (dirptr == NULL)
{
#ifdef DEBUG
fprintf(stderr, "proc_dir_list: Can't open dir %s; errno=%d\n", instr, errno);
#endif
return (1);
}
errno = 0;
curr_path = (char *)malloc(MAXPATH + 1);
if (curr_path == NULL)
{
#ifdef DEBUG
fprintf(stderr, "proc_dir_list: Can't allocate enough space; errno=%d\n", errno);
#endif
closedir(dirptr);
return (1);
}
memset(curr_path, '\0', MAXPATH+1);
strncpy(curr_path, instr, MAXPATH);
errno = 0;
while ((direntptr = readdir(dirptr)) != NULL)
{
/* readdir give us everything and not necessarily in order. This
logic is just silly, but it works */
if (((direntptr->d_name[0] == '.') &&
(direntptr->d_name[1] == '\0')) ||
((direntptr->d_name[0] == '.') &&
(direntptr->d_name[1] == '.') &&
(direntptr->d_name[2] == '\0')))
continue;
errno = 0;
strncat(curr_path, direntptr->d_name, MAXPATH);
err = get_file_stat(curr_path, &fstat);
if (err == -1)
{
#ifdef DEBUG
if (errno == ENOENT)
fprintf(stderr, "proc_dir_list: file %s not found, can't stat\n", curr_path);
else
fprintf(stderr, "proc_dir_list: Cannot stat file %s; errno=%d\n", curr_path, errno);
#endif
closedir(dirptr);
return (1);
}
if ((fstat.st_mode & S_IFMT) == S_IFDIR)
{
strncat(curr_path, "/", MAXPATH);
proc_dir_list(curr_path);
} else if ((fstat.st_size > 0) && ((fstat.st_mode & S_IFMT) == S_IFREG))
{
memset(&tmpbuf, '\0', 4096);
if (escape_space(curr_path, tmpbuf) == 0)
{
/*
* This uses the device id and the inode id for both the log file
* and the current file. These two pieces of information combined form
* a key for each file that is guaranteed to be unique no matter what.
* Easiest way to reliably check if two files are the same without
* requiring any new libraries
*/
if (logfilename != NULL && fstat.st_dev == log_file_stat.st_dev &&
fstat.st_ino == log_file_stat.st_ino)
printf("Skipping log file: %s\n", curr_path);
else
{
#ifdef DEBUG
printf("Processing file %s\n",curr_path);
#endif
ccsrch(curr_path);
}
}
}
#ifdef DEBUG
else
{
if (fstat.st_size > 0)
fprintf(stderr, "proc_dir_list: Unknown mode returned-> %x for file %s\n", fstat.st_mode,curr_path);
else
fprintf(stderr, "Not processing file of size 0 bytes: %s\n", curr_path);
}
#endif
curr_path[dir_name_len] = '\0';
}
free(curr_path);
closedir(dirptr);
return (0);
}
int
check_mastercard_16(long offset)
{
char num2buf[3];
int vnum = 0;
memset(&num2buf, '\0', 3);
snprintf(num2buf, 3, "%d%d", cardbuf[0], cardbuf[1]);
vnum = atoi(num2buf);
if ((vnum > 50) && (vnum < 56))
{
print_result("MASTERCARD", 16, offset);
return 1;
} else
return 0;
}
int
check_visa_16(long offset)
{
char num2buf[2];
int vnum = 0;
memset(&num2buf, '\0', 2);
snprintf(num2buf, 2, "%d", cardbuf[0]);
vnum = atoi(num2buf);
if (vnum == 4)
{
print_result("VISA", 16, offset);
return 1;
} else
return 0;
}
int
check_discover_16(long offset)
{
char num2buf[5];
int vnum = 0;
memset(&num2buf, '\0', 5);
snprintf(num2buf, 5, "%d%d%d%d", cardbuf[0], cardbuf[1], cardbuf[2], cardbuf[3]);
vnum = atoi(num2buf);
if (vnum == 6011)
{
print_result("DISCOVER", 16, offset);
return 1;
} else
return 0;
}
int
check_jcb_16(long offset)
{
char num2buf[5];
int vnum = 0;
memset(&num2buf, '\0', 5);
snprintf(num2buf, 5, "%d%d%d%d", cardbuf[0], cardbuf[1], cardbuf[2], cardbuf[3]);
vnum = atoi(num2buf);
if ((vnum == 3088) || (vnum == 3096) || (vnum == 3112) || (vnum == 3158) || (vnum == 3337) || (vnum == 3528) || (vnum == 3529))
{
print_result("JCB", 16, offset);
return 1;
} else
return 0;
}
int
check_amex_15(long offset)
{
char num2buf[3];
int vnum = 0;
memset(&num2buf, '\0', 3);
snprintf(num2buf, 3, "%d%d", cardbuf[0], cardbuf[1]);
vnum = atoi(num2buf);
if ((vnum == 34) || (vnum == 37))
{
print_result("AMEX", 15, offset);
return 1;
} else
return 0;
}
int
check_enroute_15(long offset)
{
char num2buf[5];
int vnum = 0;
memset(&num2buf, '\0', 5);
snprintf(num2buf, 5, "%d%d%d%d", cardbuf[0], cardbuf[1], cardbuf[2], cardbuf[3]);
vnum = atoi(num2buf);
if ((vnum == 2014) || (vnum == 2149))
{
print_result("ENROUTE", 15, offset);
return 1;
} else
return 0;
}
int
check_jcb_15(long offset)
{
char num2buf[5];
int vnum = 0;
memset(&num2buf, '\0', 5);
snprintf(num2buf, 5, "%d%d%d%d", cardbuf[0], cardbuf[1], cardbuf[2], cardbuf[3]);
vnum = atoi(num2buf);
if ((vnum == 2131) || (vnum == 1800) || (vnum == 3528) || (vnum == 3529))
{
print_result("JCB", 15, offset);
return 1;
} else
return 0;
}
int
check_diners_club_cb_14(long offset)
{
char num2buf[4];
char num2buf2[3];
int vnum = 0;
int vnum2 = 0;
memset(&num2buf, '\0', 4);
memset(&num2buf2, '\0', 2);
snprintf(num2buf, 4, "%d%d%d", cardbuf[0], cardbuf[1], cardbuf[2]);
snprintf(num2buf2, 3, "%d%d", cardbuf[0], cardbuf[1]);
vnum = atoi(num2buf);
vnum2 = atoi(num2buf2);
if (((vnum > 299) && (vnum < 306)) || ((vnum > 379) && (vnum < 389)) || (vnum2 == 36))
{
print_result("DINERS_CLUB_CARTE_BLANCHE", 14, offset);
return 1;
} else
return 0;
}
/** It has been purported that these cards are no longer in use
void
check_visa_13(long offset)
{
char num2buf[2];
int vnum = 0;
memset(&num2buf, '\0', 2);
snprintf(num2buf, 2, "%d\0", cardbuf[0]);
vnum = atoi(num2buf);
if (vnum == 4)
print_result("VISA", 13, offset);
}
**/
void
cleanup_shtuff()
{
int end_time=0;
end_time=time(NULL);
fprintf(stdout, "\n\nFiles searched ->\t\t%ld\n", file_count);
fprintf(stdout, "Search time (seconds) ->\t%d\n", ((int)time(NULL) - init_time));
fprintf(stdout, "Credit card matches ->\t\t%ld\n", total_count);
fprintf(stdout, "Binary types skipped ->\t\t%d\n", skipped_executable_count);
fprintf(stdout, "Archives extracted ->\t\t%d\n", extracted_archive_count);
if (tracksrch)
fprintf(stdout, "Track data pattern matches->\t%d\n\n", trackdatacount);
fprintf(stdout, "\nLocal end time: %s\n\n", ctime((time_t *)&end_time));
}
void
process_cleanup()
{
if (logfilefd>0)
fclose(logfilefd);
cleanup_shtuff();
exit(0);
}
void
signal_proc()
{
signal(SIGHUP, process_cleanup);
signal(SIGTERM, process_cleanup);
signal(SIGINT, process_cleanup);
signal(SIGQUIT, process_cleanup);
}
void
usage(char *progname)
{
printf("%s\n", PROG_VER);
printf("Usage: %s <options> <start path>\n", progname);
printf(" where <options> are:\n");
printf(" -b\t\t Add the byte offset into the file of the number\n");
printf(" -e\t\t Include the Modify Access and Create times in terms \n\t\t of seconds since the epoch\n");
printf(" -f\t\t Only print the filename w/ potential PAN data\n");
printf(" -j\t\t Include the Modify Access and Create times in terms \n\t\t of normal date/time\n");
printf(" -o <filename> Output the data to the file <filename> vs. standard out\n");
printf(" -t <1 or 2>\t Check if the pattern follows either a Track 1 \n\t\t or 2 format\n");
printf(" -s\t\t Stop parsing a file as soon as CHD is found\n");
printf(" -T\t\t Check for both Track 1 and Track 2 patterns\n");
printf(" -h\t\t This stuff\n\n");
printf("Please see the README file for a description of how this program works.\n\n");
exit(0);
}
int
open_logfile()
{
errno = 0;
if (logfilename!=NULL)
{
logfilefd = fopen(logfilename, "a+");
if (logfilefd == NULL)
{
#ifdef DEBUG
fprintf(stderr, "open_logfile: unable to open logfile %s for writing; errno=%d\n",
logfilename, errno);
#endif
return (-1);
}
stat(logfilename, &log_file_stat);
}
return (0);
}
int check_dir (char *name)
{
DIR *dirptr;
dirptr = opendir(name);
if (dirptr!=NULL)
{
closedir(dirptr);
return(1);
}
else
return (0);
}
/* Don't define this if we're compiling for the test suite */
#ifndef TEST_MAIN
int
main(int argc, char *argv[])
{
struct stat ffstat;
char *inputstr = NULL;