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; }