diff options
Diffstat (limited to 'busybox/archival/dpkg_deb.c')
| -rw-r--r-- | busybox/archival/dpkg_deb.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/busybox/archival/dpkg_deb.c b/busybox/archival/dpkg_deb.c new file mode 100644 index 0000000..5aa9881 --- /dev/null +++ b/busybox/archival/dpkg_deb.c @@ -0,0 +1,112 @@ +/* + * 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); +} |