int ar_main(int argc UNUSED_PARAM, char **argv)
{
archive_handle_t *archive_handle;
unsigned opt, t;
archive_handle = init_handle();
/* --: prepend '-' to the first argument if required */
/* -1: at least one param is reqd */
/* one of p,t,x[,r] is required */
opt_complementary = "--:-1:p:t:x"IF_FEATURE_AR_CREATE(":r");
opt = getopt32(argv, "voc""ptx"IF_FEATURE_AR_CREATE("r"));
argv += optind;
t = opt / FIRST_CMD;
if (t & (t-1)) /* more than one of p,t,x[,r] are specified */
bb_show_usage();
if (opt & AR_CMD_PRINT) {
archive_handle->action_data = data_extract_to_stdout;
}
if (opt & AR_CMD_LIST) {
archive_handle->action_header = header_list;
}
if (opt & AR_CMD_EXTRACT) {
archive_handle->action_data = data_extract_all;
}
if (opt & AR_OPT_PRESERVE_DATE) {
archive_handle->ah_flags |= ARCHIVE_RESTORE_DATE;
}
if (opt & AR_OPT_VERBOSE) {
archive_handle->action_header = header_verbose_list_ar;
}
#if ENABLE_FEATURE_AR_CREATE
archive_handle->ar__name = *argv;
#endif
archive_handle->src_fd = xopen(*argv++,
(opt & AR_CMD_INSERT)
? O_RDWR | O_CREAT
: O_RDONLY
);
if (*argv)
archive_handle->filter = filter_accept_list;
while (*argv) {
llist_add_to_end(&archive_handle->accept, *argv++);
}
#if ENABLE_FEATURE_AR_CREATE
if (opt & AR_CMD_INSERT)
return write_ar_archive(archive_handle);
#endif
unpack_ar_archive(archive_handle);
return EXIT_SUCCESS;
}
static int write_ar_archive(archive_handle_t *handle)
{
struct stat st;
archive_handle_t *out_handle;
char *temp_fn = NULL;
xfstat(handle->src_fd, &st, handle->ar__name);
/* if archive exists, create a new handle for output.
* we create it in place of the old one.
*/
if (st.st_size != 0) {
out_handle = init_handle();
#if !ENABLE_PLATFORM_MINGW32
xunlink(handle->ar__name);
out_handle->src_fd = xopen(handle->ar__name, O_WRONLY | O_CREAT | O_TRUNC);
#else
/* can't unlink open file, create temporary output file */
temp_fn = xasprintf("%sXXXXXX", handle->ar__name);
out_handle->src_fd = xmkstemp(temp_fn);
#endif
out_handle->accept = handle->accept;
} else {
out_handle = handle;
}
handle->ar__out = out_handle;
xwrite(out_handle->src_fd, AR_MAGIC "\n", AR_MAGIC_LEN + 1);
out_handle->offset += AR_MAGIC_LEN + 1;
/* skip to the end of the archive if we have to append stuff */
if (st.st_size != 0) {
handle->filter = filter_replaceable;
handle->action_data = copy_data;
unpack_ar_archive(handle);
}
while (write_ar_header(out_handle) == 0)
continue;
/* optional, since we exit right after we return */
if (ENABLE_FEATURE_CLEAN_UP || ENABLE_PLATFORM_MINGW32) {
close(handle->src_fd);
if (out_handle->src_fd != handle->src_fd)
close(out_handle->src_fd);
}
#if ENABLE_PLATFORM_MINGW32
if ( temp_fn != NULL ) {
xrename(temp_fn, handle->ar__name);
free(temp_fn);
}
#endif
return EXIT_SUCCESS;
}
static int write_ar_archive(archive_handle_t *handle)
{
struct stat st;
archive_handle_t *out_handle;
if (fstat(handle->src_fd, &st) == -1)
bb_simple_perror_msg_and_die(handle->ar__name);
/* if archive exists, create a new handle for output.
* we create it in place of the old one.
*/
if (st.st_size != 0) {
out_handle = init_handle();
xunlink(handle->ar__name);
out_handle->src_fd = xopen(handle->ar__name, O_WRONLY | O_CREAT | O_TRUNC);
out_handle->accept = handle->accept;
} else {
out_handle = handle;
}
handle->ar__out = out_handle;
xwrite(out_handle->src_fd, AR_MAGIC "\n", AR_MAGIC_LEN + 1);
out_handle->offset += AR_MAGIC_LEN + 1;
/* skip to the end of the archive if we have to append stuff */
if (st.st_size != 0) {
handle->filter = filter_replaceable;
handle->action_data = copy_data;
unpack_ar_archive(handle);
}
while (write_ar_header(out_handle) == 0)
continue;
/* optional, since we exit right after we return */
if (ENABLE_FEATURE_CLEAN_UP) {
close(handle->src_fd);
if (out_handle->src_fd != handle->src_fd)
close(out_handle->src_fd);
}
return EXIT_SUCCESS;
}
int dpkg_deb_main(int argc UNUSED_PARAM, char **argv)
{
archive_handle_t *ar_archive;
archive_handle_t *tar_archive;
llist_t *control_tar_llist = NULL;
unsigned opt;
const char *extract_dir;
/* 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->dpkg__sub_archive = tar_archive;
ar_archive->filter = filter_accept_list_reassign;
llist_add_to(&ar_archive->accept, (char*)"data.tar");
llist_add_to(&control_tar_llist, (char*)"control.tar");
#if ENABLE_FEATURE_SEAMLESS_GZ
llist_add_to(&ar_archive->accept, (char*)"data.tar.gz");
llist_add_to(&control_tar_llist, (char*)"control.tar.gz");
#endif
#if ENABLE_FEATURE_SEAMLESS_BZ2
llist_add_to(&ar_archive->accept, (char*)"data.tar.bz2");
llist_add_to(&control_tar_llist, (char*)"control.tar.bz2");
#endif
#if ENABLE_FEATURE_SEAMLESS_LZMA
llist_add_to(&ar_archive->accept, (char*)"data.tar.lzma");
llist_add_to(&control_tar_llist, (char*)"control.tar.lzma");
#endif
#if ENABLE_FEATURE_SEAMLESS_XZ
llist_add_to(&ar_archive->accept, (char*)"data.tar.xz");
llist_add_to(&control_tar_llist, (char*)"control.tar.xz");
#endif
/* Must have 1 or 2 args */
opt_complementary = "-1:?2:c--efXx:e--cfXx:f--ceXx:X--cefx:x--cefX";
opt = getopt32(argv, "cefXx");
argv += optind;
//argc -= optind;
extract_dir = argv[1];
if (opt & DPKG_DEB_OPT_CONTENTS) { // -c
tar_archive->action_header = header_verbose_list;
if (extract_dir)
bb_show_usage();
}
if (opt & DPKG_DEB_OPT_FIELD) { // -f
/* Print the entire control file */
//TODO: standard tool accepts an optional list of fields to print
ar_archive->accept = control_tar_llist;
llist_add_to(&(tar_archive->accept), (char*)"./control");
tar_archive->filter = filter_accept_list;
tar_archive->action_data = data_extract_to_stdout;
if (extract_dir)
bb_show_usage();
}
if (opt & DPKG_DEB_OPT_CONTROL) { // -e
ar_archive->accept = control_tar_llist;
tar_archive->action_data = data_extract_all;
if (!extract_dir)
extract_dir = "./DEBIAN";
}
if (opt & (DPKG_DEB_OPT_EXTRACT_VERBOSE | DPKG_DEB_OPT_EXTRACT)) { // -Xx
if (opt & DPKG_DEB_OPT_EXTRACT_VERBOSE)
tar_archive->action_header = header_list;
tar_archive->action_data = data_extract_all;
if (!extract_dir)
bb_show_usage();
}
/* Standard tool supports "-" */
tar_archive->src_fd = ar_archive->src_fd = xopen_stdin(argv[0]);
if (extract_dir) {
mkdir(extract_dir, 0777); /* bb_make_directory(extract_dir, 0777, 0) */
xchdir(extract_dir);
}
/* Do it */
unpack_ar_archive(ar_archive);
/* Cleanup */
if (ENABLE_FEATURE_CLEAN_UP)
close(ar_archive->src_fd);
return EXIT_SUCCESS;
}
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_complementally = "?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) {
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);
}
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 opt;
const char *extract_dir;
int need_args;
/* 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->dpkg__sub_archive = tar_archive;
ar_archive->filter = filter_accept_list_reassign;
llist_add_to(&ar_archive->accept, (char*)"data.tar");
llist_add_to(&control_tar_llist, (char*)"control.tar");
#if ENABLE_FEATURE_SEAMLESS_GZ
llist_add_to(&ar_archive->accept, (char*)"data.tar.gz");
llist_add_to(&control_tar_llist, (char*)"control.tar.gz");
#endif
#if ENABLE_FEATURE_SEAMLESS_BZ2
llist_add_to(&ar_archive->accept, (char*)"data.tar.bz2");
llist_add_to(&control_tar_llist, (char*)"control.tar.bz2");
#endif
#if ENABLE_FEATURE_SEAMLESS_LZ
llist_add_to(&ar_archive->accept, (char*)"data.tar.lz");
llist_add_to(&control_tar_llist, (char*)"control.tar.lz");
#endif
#if ENABLE_FEATURE_SEAMLESS_LZMA
llist_add_to(&ar_archive->accept, (char*)"data.tar.lzma");
llist_add_to(&control_tar_llist, (char*)"control.tar.lzma");
#endif
#if ENABLE_FEATURE_SEAMLESS_XZ
llist_add_to(&ar_archive->accept, (char*)"data.tar.xz");
llist_add_to(&control_tar_llist, (char*)"control.tar.xz");
#endif
opt_complementary = "c--efXx:e--cfXx:f--ceXx:X--cefx:x--cefX";
opt = getopt32(argv, "cefXx");
argv += optind;
argc -= optind;
if (opt & DPKG_DEB_OPT_CONTENTS) {
tar_archive->action_header = header_verbose_list;
}
extract_dir = NULL;
need_args = 1;
if (opt & DPKG_DEB_OPT_CONTROL) {
ar_archive->accept = control_tar_llist;
tar_archive->action_data = data_extract_all;
if (1 == argc) {
extract_dir = "./DEBIAN";
} else {
need_args++;
}
}
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;
llist_add_to(&(tar_archive->accept), (char*)"./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;
need_args = 2;
}
if (need_args != argc) {
bb_show_usage();
}
tar_archive->src_fd = ar_archive->src_fd = xopen(argv[0], O_RDONLY);
/* Work out where to extract the files */
/* 2nd argument is a dir name */
if (argv[1]) {
extract_dir = argv[1];
}
if (extract_dir) {
mkdir(extract_dir, 0777); /* bb_make_directory(extract_dir, 0777, 0) */
xchdir(extract_dir);
}
/* Do it */
unpack_ar_archive(ar_archive);
/* Cleanup */
if (ENABLE_FEATURE_CLEAN_UP)
close(ar_archive->src_fd);
return EXIT_SUCCESS;
}
