/* * 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 <fcntl.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <getopt.h> #include "unarchive.h" #include "busybox.h" #define DPKG_DEB_OPT_CONTENTS 1 #define DPKG_DEB_OPT_CONTROL 2 #define DPKG_DEB_OPT_FIELD 4 #define DPKG_DEB_OPT_EXTRACT 8 #define DPKG_DEB_OPT_EXTRACT_VERBOSE 16 extern int dpkg_deb_main(int argc, char **argv) { archive_handle_t *ar_archive; archive_handle_t *tar_archive; llist_t *control_tar_llist = NULL; unsigned long opt; char *extract_dir = NULL; short argcount = 1; /* Setup the tar archive handle */ tar_archive = init_handle(); /* Setup an ar archive handle that refers to the gzip sub archive */ ar_archive = init_handle(); ar_archive->sub_archive = tar_archive; ar_archive->filter = filter_accept_list_reassign; #ifdef CONFIG_FEATURE_DEB_TAR_GZ ar_archive->accept = llist_add_to(NULL, "data.tar.gz"); control_tar_llist = llist_add_to(NULL, "control.tar.gz"); #endif #ifdef CONFIG_FEATURE_DEB_TAR_BZ2 ar_archive->accept = llist_add_to(ar_archive->accept, "data.tar.bz2"); control_tar_llist = llist_add_to(control_tar_llist, "control.tar.bz2"); #endif bb_opt_complementaly = "c~efXx:e~cfXx:f~ceXx:X~cefx:x~cefX"; opt = bb_getopt_ulflags(argc, argv, "cefXx"); if (opt & DPKG_DEB_OPT_CONTENTS) { tar_archive->action_header = header_verbose_list; } if (opt & DPKG_DEB_OPT_CONTROL) { ar_archive->accept = control_tar_llist; tar_archive->action_data = data_extract_all; if (optind + 1 == argc) { extract_dir = "./DEBIAN"; } else { argcount++; } } if (opt & DPKG_DEB_OPT_FIELD) { /* Print the entire control file * it should accept a second argument which specifies a * specific field to print */ ar_archive->accept = control_tar_llist; tar_archive->accept = llist_add_to(NULL, "./control");; tar_archive->filter = filter_accept_list; tar_archive->action_data = data_extract_to_stdout; } if (opt & DPKG_DEB_OPT_EXTRACT) { tar_archive->action_header = header_list; } if (opt & (DPKG_DEB_OPT_EXTRACT_VERBOSE | DPKG_DEB_OPT_EXTRACT)) { tar_archive->action_data = data_extract_all; argcount = 2; } if ((optind + argcount != argc) || (opt & 0x80000000UL)) { bb_show_usage(); } tar_archive->src_fd = ar_archive->src_fd = bb_xopen(argv[optind++], O_RDONLY); /* Workout where to extract the files */ /* 2nd argument is a dir name */ if (argv[optind]) { extract_dir = argv[optind]; } if (extract_dir) { mkdir(extract_dir, 0777); chdir(extract_dir); } unpack_ar_archive(ar_archive); /* Cleanup */ close (ar_archive->src_fd); return(EXIT_SUCCESS); }