mirror of
https://github.com/sheumann/hush.git
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126 lines
3.6 KiB
C
126 lines
3.6 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <getopt.h>
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#include "busybox.h"
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extern int dpkg_deb_main(int argc, char **argv)
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{
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char *prefix = NULL;
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char *filename = NULL;
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char *output_buffer = NULL;
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int opt = 0;
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int arg_type = 0;
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int deb_extract_funct = extract_create_leading_dirs | extract_unconditional;
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const int arg_type_prefix = 1;
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const int arg_type_field = 2;
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const int arg_type_filename = 4;
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// const int arg_type_un_ar_gz = 8;
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while ((opt = getopt(argc, argv, "ceftXxI")) != -1) {
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switch (opt) {
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case 'c':
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deb_extract_funct |= extract_data_tar_gz;
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deb_extract_funct |= extract_verbose_list;
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break;
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case 'e':
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arg_type = arg_type_prefix;
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deb_extract_funct |= extract_control_tar_gz;
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deb_extract_funct |= extract_all_to_fs;
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break;
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case 'f':
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arg_type = arg_type_field;
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deb_extract_funct |= extract_control_tar_gz;
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deb_extract_funct |= extract_one_to_buffer;
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filename = xstrdup("./control");
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break;
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case 't': /* --fsys-tarfile, i just made up this short name */
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/* Integrate the functionality needed with some code from ar.c */
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error_msg_and_die("Option disabled");
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// arg_type = arg_type_un_ar_gz;
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break;
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case 'X':
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arg_type = arg_type_prefix;
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deb_extract_funct |= extract_data_tar_gz;
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deb_extract_funct |= extract_all_to_fs;
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deb_extract_funct |= extract_list;
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case 'x':
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arg_type = arg_type_prefix;
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deb_extract_funct |= extract_data_tar_gz;
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deb_extract_funct |= extract_all_to_fs;
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break;
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case 'I':
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arg_type = arg_type_filename;
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deb_extract_funct |= extract_control_tar_gz;
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deb_extract_funct |= extract_one_to_buffer;
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break;
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default:
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show_usage();
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}
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}
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if (optind == argc) {
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show_usage();
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}
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/* Workout where to extract the files */
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if (arg_type == arg_type_prefix) {
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/* argument is a dir name */
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if ((optind + 1) == argc ) {
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prefix = xstrdup("./DEBIAN/");
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} else {
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prefix = (char *) xmalloc(strlen(argv[optind + 1]) + 2);
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strcpy(prefix, argv[optind + 1]);
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/* Make sure the directory has a trailing '/' */
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if (last_char_is(prefix, '/') == NULL) {
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strcat(prefix, "/");
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}
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}
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mkdir(prefix, 0777);
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}
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if (arg_type == arg_type_filename) {
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if ((optind + 1) != argc) {
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filename = xstrdup(argv[optind + 1]);
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} else {
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error_msg_and_die("-I currently requires a filename to be specified");
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}
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}
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output_buffer = deb_extract(argv[optind], stdout, deb_extract_funct, prefix, filename);
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if ((arg_type == arg_type_filename) && (output_buffer != NULL)) {
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puts(output_buffer);
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}
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else if (arg_type == arg_type_field) {
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char *field = NULL;
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int field_start = 0;
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while ((field = read_package_field(&output_buffer[field_start])) != NULL) {
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field_start += (strlen(field) + 1);
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if (strstr(field, argv[optind + 1]) == field) {
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puts(field + strlen(argv[optind + 1]) + 2);
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}
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free(field);
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}
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}
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return(EXIT_SUCCESS);
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}
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