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/*
* 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 Library 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 <stdlib.h>
#include <string.h>
#include <getopt.h>
#include "busybox.h"
extern int dpkg_deb_main(int argc, char **argv)
{
char *prefix = NULL;
char *filename = NULL;
char *output_buffer = NULL;
int opt = 0;
int arg_type = 0;
int deb_extract_funct = extract_create_leading_dirs | extract_unconditional;
const int arg_type_prefix = 1;
const int arg_type_field = 2;
const int arg_type_filename = 4;
// const int arg_type_un_ar_gz = 8;
while ((opt = getopt(argc, argv, "ceftXxI")) != -1) {
switch (opt) {
case 'c':
deb_extract_funct |= extract_data_tar_gz;
deb_extract_funct |= extract_verbose_list;
break;
case 'e':
arg_type = arg_type_prefix;
deb_extract_funct |= extract_control_tar_gz;
deb_extract_funct |= extract_all_to_fs;
break;
case 'f':
arg_type = arg_type_field;
deb_extract_funct |= extract_control_tar_gz;
deb_extract_funct |= extract_one_to_buffer;
filename = xstrdup("./control");
break;
case 't': /* --fsys-tarfile, i just made up this short name */
/* Integrate the functionality needed with some code from ar.c */
error_msg_and_die("Option disabled");
// arg_type = arg_type_un_ar_gz;
break;
case 'X':
arg_type = arg_type_prefix;
deb_extract_funct |= extract_data_tar_gz;
deb_extract_funct |= extract_all_to_fs;
deb_extract_funct |= extract_list;
case 'x':
arg_type = arg_type_prefix;
deb_extract_funct |= extract_data_tar_gz;
deb_extract_funct |= extract_all_to_fs;
break;
case 'I':
arg_type = arg_type_filename;
deb_extract_funct |= extract_control_tar_gz;
deb_extract_funct |= extract_one_to_buffer;
break;
default:
show_usage();
}
}
if (optind == argc) {
show_usage();
}
/* Workout where to extract the files */
if (arg_type == arg_type_prefix) {
/* argument is a dir name */
if ((optind + 1) == argc ) {
prefix = xstrdup("./DEBIAN/");
} else {
prefix = (char *) xmalloc(strlen(argv[optind + 1]) + 2);
strcpy(prefix, argv[optind + 1]);
/* Make sure the directory has a trailing '/' */
if (last_char_is(prefix, '/') == NULL) {
strcat(prefix, "/");
}
}
mkdir(prefix, 0777);
}
if (arg_type == arg_type_filename) {
if ((optind + 1) != argc) {
filename = xstrdup(argv[optind + 1]);
} else {
error_msg_and_die("-I currently requires a filename to be specified");
}
}
output_buffer = deb_extract(argv[optind], stdout, deb_extract_funct, prefix, filename);
if ((arg_type == arg_type_filename) && (output_buffer != NULL)) {
puts(output_buffer);
}
else if (arg_type == arg_type_field) {
char *field = NULL;
int field_start = 0;
while ((field = read_package_field(&output_buffer[field_start])) != NULL) {
field_start += (strlen(field) + 1);
if (strstr(field, argv[optind + 1]) == field) {
puts(field + strlen(argv[optind + 1]) + 2);
}
free(field);
}
}
return(EXIT_SUCCESS);
}
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