static void test(int pristine) { struct archive* a = archive_read_new(); if (!pristine) { archive_read_support_filter_all(a); archive_read_support_format_all(a); } assertEqualInt(ARCHIVE_OK, archive_read_add_passphrase(a, "pass1")); /* An empty passphrase cannot be accepted. */ assertEqualInt(ARCHIVE_FAILED, archive_read_add_passphrase(a, "")); /* NULL passphrases cannot be accepted. */ assertEqualInt(ARCHIVE_FAILED, archive_read_add_passphrase(a, NULL)); archive_read_free(a); }
static void mode_list(struct cpio *cpio) { struct archive *a; struct archive_entry *entry; int r; a = archive_read_new(); if (a == NULL) lafe_errc(1, 0, "Couldn't allocate archive object"); archive_read_support_filter_all(a); archive_read_support_format_all(a); if (cpio->passphrase != NULL) r = archive_read_add_passphrase(a, cpio->passphrase); else r = archive_read_set_passphrase_callback(a, cpio, &passphrase_callback); if (r != ARCHIVE_OK) lafe_errc(1, 0, "%s", archive_error_string(a)); if (archive_read_open_filename(a, cpio->filename, cpio->bytes_per_block)) lafe_errc(1, archive_errno(a), "%s", archive_error_string(a)); for (;;) { r = archive_read_next_header(a, &entry); if (r == ARCHIVE_EOF) break; if (r != ARCHIVE_OK) { lafe_errc(1, archive_errno(a), "%s", archive_error_string(a)); } if (archive_match_path_excluded(cpio->matching, entry)) continue; if (cpio->verbose) list_item_verbose(cpio, entry); else fprintf(stdout, "%s\n", archive_entry_pathname(entry)); } r = archive_read_close(a); if (r != ARCHIVE_OK) lafe_errc(1, 0, "%s", archive_error_string(a)); if (!cpio->quiet) { int64_t blocks = (archive_filter_bytes(a, 0) + 511) / 512; fprintf(stderr, "%lu %s\n", (unsigned long)blocks, blocks == 1 ? "block" : "blocks"); } archive_read_free(a); exit(0); }
/* * Copy from specified archive to current archive. Returns non-zero * for write errors (which force us to terminate the entire archiving * operation). If there are errors reading the input archive, we set * bsdtar->return_value but return zero, so the overall archiving * operation will complete and return non-zero. */ static int append_archive_filename(struct bsdtar *bsdtar, struct archive *a, const char *raw_filename) { struct archive *ina; const char *filename = raw_filename; int rc; if (strcmp(filename, "-") == 0) filename = NULL; /* Library uses NULL for stdio. */ ina = archive_read_new(); archive_read_support_format_all(ina); archive_read_support_filter_all(ina); set_reader_options(bsdtar, ina); archive_read_set_options(ina, "mtree:checkfs"); if (bsdtar->passphrase != NULL) rc = archive_read_add_passphrase(a, bsdtar->passphrase); else rc = archive_read_set_passphrase_callback(ina, bsdtar, &passphrase_callback); if (rc != ARCHIVE_OK) lafe_errc(1, 0, "%s", archive_error_string(a)); if (archive_read_open_filename(ina, filename, bsdtar->bytes_per_block)) { lafe_warnc(0, "%s", archive_error_string(ina)); bsdtar->return_value = 1; return (0); } rc = append_archive(bsdtar, a, ina); if (rc != ARCHIVE_OK) { lafe_warnc(0, "Error reading archive %s: %s", raw_filename, archive_error_string(ina)); bsdtar->return_value = 1; } archive_read_free(ina); return (rc); }
static void mode_in(struct cpio *cpio) { struct archive *a; struct archive_entry *entry; struct archive *ext; const char *destpath; int r; ext = archive_write_disk_new(); if (ext == NULL) lafe_errc(1, 0, "Couldn't allocate restore object"); r = archive_write_disk_set_options(ext, cpio->extract_flags); if (r != ARCHIVE_OK) lafe_errc(1, 0, "%s", archive_error_string(ext)); a = archive_read_new(); if (a == NULL) lafe_errc(1, 0, "Couldn't allocate archive object"); archive_read_support_filter_all(a); archive_read_support_format_all(a); if (cpio->passphrase != NULL) r = archive_read_add_passphrase(a, cpio->passphrase); else r = archive_read_set_passphrase_callback(a, cpio, &passphrase_callback); if (r != ARCHIVE_OK) lafe_errc(1, 0, "%s", archive_error_string(a)); if (archive_read_open_filename(a, cpio->filename, cpio->bytes_per_block)) lafe_errc(1, archive_errno(a), "%s", archive_error_string(a)); for (;;) { r = archive_read_next_header(a, &entry); if (r == ARCHIVE_EOF) break; if (r != ARCHIVE_OK) { lafe_errc(1, archive_errno(a), "%s", archive_error_string(a)); } if (archive_match_path_excluded(cpio->matching, entry)) continue; if (cpio->option_rename) { destpath = cpio_rename(archive_entry_pathname(entry)); archive_entry_set_pathname(entry, destpath); } else destpath = archive_entry_pathname(entry); if (destpath == NULL) continue; if (cpio->verbose) fprintf(stderr, "%s\n", destpath); if (cpio->dot) fprintf(stderr, "."); if (cpio->uid_override >= 0) archive_entry_set_uid(entry, cpio->uid_override); if (cpio->gid_override >= 0) archive_entry_set_gid(entry, cpio->gid_override); r = archive_write_header(ext, entry); if (r != ARCHIVE_OK) { fprintf(stderr, "%s: %s\n", archive_entry_pathname(entry), archive_error_string(ext)); } else if (!archive_entry_size_is_set(entry) || archive_entry_size(entry) > 0) { r = extract_data(a, ext); if (r != ARCHIVE_OK) cpio->return_value = 1; } } r = archive_read_close(a); if (cpio->dot) fprintf(stderr, "\n"); if (r != ARCHIVE_OK) lafe_errc(1, 0, "%s", archive_error_string(a)); r = archive_write_close(ext); if (r != ARCHIVE_OK) lafe_errc(1, 0, "%s", archive_error_string(ext)); if (!cpio->quiet) { int64_t blocks = (archive_filter_bytes(a, 0) + 511) / 512; fprintf(stderr, "%lu %s\n", (unsigned long)blocks, blocks == 1 ? "block" : "blocks"); } archive_read_free(a); archive_write_free(ext); exit(cpio->return_value); }
/* * Handle 'x' and 't' modes. */ static void read_archive(struct bsdtar *bsdtar, char mode, struct archive *writer) { struct progress_data progress_data; FILE *out; struct archive *a; struct archive_entry *entry; const char *reader_options; int r; while (*bsdtar->argv) { if (archive_match_include_pattern(bsdtar->matching, *bsdtar->argv) != ARCHIVE_OK) lafe_errc(1, 0, "Error inclusion pattern: %s", archive_error_string(bsdtar->matching)); bsdtar->argv++; } if (bsdtar->names_from_file != NULL) if (archive_match_include_pattern_from_file( bsdtar->matching, bsdtar->names_from_file, bsdtar->option_null) != ARCHIVE_OK) lafe_errc(1, 0, "Error inclusion pattern: %s", archive_error_string(bsdtar->matching)); a = archive_read_new(); if (cset_read_support_filter_program(bsdtar->cset, a) == 0) archive_read_support_filter_all(a); archive_read_support_format_all(a); reader_options = getenv(ENV_READER_OPTIONS); if (reader_options != NULL) { char *p; /* Set default read options. */ p = malloc(sizeof(IGNORE_WRONG_MODULE_NAME) + strlen(reader_options) + 1); if (p == NULL) lafe_errc(1, errno, "Out of memory"); /* Prepend magic code to ignore options for * a format or modules which are not added to * the archive read object. */ strncpy(p, IGNORE_WRONG_MODULE_NAME, sizeof(IGNORE_WRONG_MODULE_NAME) -1); strcpy(p + sizeof(IGNORE_WRONG_MODULE_NAME) -1, reader_options); r = archive_read_set_options(a, p); free(p); if (r == ARCHIVE_FATAL) lafe_errc(1, 0, "%s", archive_error_string(a)); else archive_clear_error(a); } if (ARCHIVE_OK != archive_read_set_options(a, bsdtar->option_options)) lafe_errc(1, 0, "%s", archive_error_string(a)); if (bsdtar->option_ignore_zeros) if (archive_read_set_options(a, "read_concatenated_archives") != ARCHIVE_OK) lafe_errc(1, 0, "%s", archive_error_string(a)); if (bsdtar->passphrase != NULL) r = archive_read_add_passphrase(a, bsdtar->passphrase); else r = archive_read_set_passphrase_callback(a, bsdtar, &passphrase_callback); if (r != ARCHIVE_OK) lafe_errc(1, 0, "%s", archive_error_string(a)); if (archive_read_open_filename(a, bsdtar->filename, bsdtar->bytes_per_block)) lafe_errc(1, 0, "Error opening archive: %s", archive_error_string(a)); do_chdir(bsdtar); if (mode == 'x') { /* Set an extract callback so that we can handle SIGINFO. */ progress_data.bsdtar = bsdtar; progress_data.archive = a; archive_read_extract_set_progress_callback(a, progress_func, &progress_data); } if (mode == 'x' && bsdtar->option_chroot) { #if HAVE_CHROOT if (chroot(".") != 0) lafe_errc(1, errno, "Can't chroot to \".\""); #else lafe_errc(1, 0, "chroot isn't supported on this platform"); #endif } #if defined(_WIN32) && !defined(__CYGWIN__) if (mode == 'x' && bsdtar->option_stdout) { _setmode(1, _O_BINARY); } #endif for (;;) { /* Support --fast-read option */ if (bsdtar->option_fast_read && archive_match_path_unmatched_inclusions(bsdtar->matching) == 0) break; r = archive_read_next_header(a, &entry); progress_data.entry = entry; if (r == ARCHIVE_EOF) break; if (r < ARCHIVE_OK) lafe_warnc(0, "%s", archive_error_string(a)); if (r <= ARCHIVE_WARN) bsdtar->return_value = 1; if (r == ARCHIVE_RETRY) { /* Retryable error: try again */ lafe_warnc(0, "Retrying..."); continue; } if (r == ARCHIVE_FATAL) break; const char *p = archive_entry_pathname(entry); if (p == NULL || p[0] == '\0') { lafe_warnc(0, "Archive entry has empty or unreadable filename ... skipping."); bsdtar->return_value = 1; continue; } if (bsdtar->uid >= 0) { archive_entry_set_uid(entry, bsdtar->uid); archive_entry_set_uname(entry, NULL); } if (bsdtar->gid >= 0) { archive_entry_set_gid(entry, bsdtar->gid); archive_entry_set_gname(entry, NULL); } if (bsdtar->uname) archive_entry_set_uname(entry, bsdtar->uname); if (bsdtar->gname) archive_entry_set_gname(entry, bsdtar->gname); /* * Note that pattern exclusions are checked before * pathname rewrites are handled. This gives more * control over exclusions, since rewrites always lose * information. (For example, consider a rewrite * s/foo[0-9]/foo/. If we check exclusions after the * rewrite, there would be no way to exclude foo1/bar * while allowing foo2/bar.) */ if (archive_match_excluded(bsdtar->matching, entry)) continue; /* Excluded by a pattern test. */ if (mode == 't') { /* Perversely, gtar uses -O to mean "send to stderr" * when used with -t. */ out = bsdtar->option_stdout ? stderr : stdout; /* * TODO: Provide some reasonable way to * preview rewrites. gtar always displays * the unedited path in -t output, which means * you cannot easily preview rewrites. */ if (bsdtar->verbose < 2) safe_fprintf(out, "%s", archive_entry_pathname(entry)); else list_item_verbose(bsdtar, out, entry); fflush(out); r = archive_read_data_skip(a); if (r == ARCHIVE_WARN) { fprintf(out, "\n"); lafe_warnc(0, "%s", archive_error_string(a)); } if (r == ARCHIVE_RETRY) { fprintf(out, "\n"); lafe_warnc(0, "%s", archive_error_string(a)); } if (r == ARCHIVE_FATAL) { fprintf(out, "\n"); lafe_warnc(0, "%s", archive_error_string(a)); bsdtar->return_value = 1; break; } fprintf(out, "\n"); } else { /* Note: some rewrite failures prevent extraction. */ if (edit_pathname(bsdtar, entry)) continue; /* Excluded by a rewrite failure. */ if (bsdtar->option_interactive && !yes("extract '%s'", archive_entry_pathname(entry))) continue; if (bsdtar->verbose > 1) { /* GNU tar uses -tv format with -xvv */ list_item_verbose(bsdtar, stderr, entry); fflush(stderr); } else if (bsdtar->verbose > 0) { /* Format follows SUSv2, including the * deferred '\n'. */ safe_fprintf(stderr, "x %s", archive_entry_pathname(entry)); fflush(stderr); } /* TODO siginfo_printinfo(bsdtar, 0); */ if (bsdtar->option_stdout) r = archive_read_data_into_fd(a, 1); else r = archive_read_extract2(a, entry, writer); if (r != ARCHIVE_OK) { if (!bsdtar->verbose) safe_fprintf(stderr, "%s", archive_entry_pathname(entry)); safe_fprintf(stderr, ": %s", archive_error_string(a)); if (!bsdtar->verbose) fprintf(stderr, "\n"); bsdtar->return_value = 1; } if (bsdtar->verbose) fprintf(stderr, "\n"); if (r == ARCHIVE_FATAL) break; } } r = archive_read_close(a); if (r != ARCHIVE_OK) lafe_warnc(0, "%s", archive_error_string(a)); if (r <= ARCHIVE_WARN) bsdtar->return_value = 1; if (bsdtar->verbose > 2) fprintf(stdout, "Archive Format: %s, Compression: %s\n", archive_format_name(a), archive_filter_name(a, 0)); archive_read_free(a); }