131 lines
3.6 KiB
C
131 lines
3.6 KiB
C
/*
|
|
* 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;
|
|
char *name;
|
|
char *value;
|
|
int field_start = 0;
|
|
|
|
while (1) {
|
|
field_start += read_package_field(&output_buffer[field_start], &name, &value);
|
|
if (name == NULL) {
|
|
break;
|
|
}
|
|
if (strcmp(name, argv[optind + 1]) == 0) {
|
|
puts(value);
|
|
}
|
|
free(field);
|
|
}
|
|
}
|
|
|
|
return(EXIT_SUCCESS);
|
|
}
|