+++ /dev/null
-/*
- * Amanda, The Advanced Maryland Automatic Network Disk Archiver
- * Copyright (c) 1991-1998 University of Maryland at College Park
- * All Rights Reserved.
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of U.M. not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. U.M. makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
- * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Authors: the Amanda Development Team. Its members are listed in a
- * file named AUTHORS, in the root directory of this distribution.
- */
-/*
- * $Id: amrestore.c 6512 2007-05-24 17:00:24Z ian $
- *
- * retrieves files from an amanda tape
- */
-/*
- * Pulls all files from the tape that match the hostname, diskname and
- * datestamp regular expressions.
- *
- * If the header is output, only up to DISK_BLOCK_BYTES worth of it is
- * sent, regardless of the tape blocksize. This makes the disk image
- * look like a holding disk image, and also makes it easier to remove
- * the header (e.g. in amrecover) since it has a fixed size.
- */
-
-#include "amanda.h"
-#include "util.h"
-#include "fileheader.h"
-#include "restore.h"
-#include "conffile.h"
-#include "device.h"
-#include "cmdline.h"
-
-#define CREAT_MODE 0640
-
-/*
- * Print usage message and terminate.
- */
-
-static void
-usage(void)
-{
- error(_("Usage: amrestore [-b blocksize] [-r|-c] [-p] [-h] [-f fileno] "
- "[-l label] tape-device|holdingfile [hostname [diskname [datestamp "
- "[hostname [diskname [datestamp ... ]]]]]]"));
- /*NOTREACHED*/
-}
-
-/* Checks if the given tape device is actually a holding disk file. We
- accomplish this by stat()ing the file; if it is a regular file, we
- assume (somewhat dangerously) that it's a holding disk file. If
- it doesn't exist or is not a regular file, we assume it's a device
- name.
-
- Returns TRUE if we suspect the device is a holding disk, FALSE
- otherwise. */
-static gboolean check_device_type(char * device_name) {
- struct stat stat_buf;
- int result;
-
- result = stat(device_name, &stat_buf);
-
- return !((result != 0 || !S_ISREG(stat_buf.st_mode)));
-}
-
-static void handle_holding_disk_restore(char * filename, rst_flags_t * flags,
- GSList * dumpspecs) {
- dumpfile_t this_header;
- tapelist_t this_disk;
-
- bzero(&this_disk, sizeof(this_disk));
- this_disk.label = filename;
-
- if (!restore_holding_disk(stderr, flags, NULL, &this_disk, NULL,
- dumpspecs, &this_header, NULL)) {
- g_fprintf(stderr, "%s did not match requested host.\n", filename);
- return;
- }
-}
-
-static void handle_tape_restore(char * device_name, rst_flags_t * flags,
- GSList * dumpspecs, char * check_label) {
- Device * device;
- DeviceStatusFlags device_status;
-
- dumpfile_t first_restored_file;
-
- device_api_init();
-
- fh_init(&first_restored_file);
-
- device = device_open(device_name);
- g_assert(device != NULL);
- if (device->status != DEVICE_STATUS_SUCCESS) {
- error("Could not open device %s: %s.\n", device_name, device_error(device));
- }
-
- if (!device_configure(device, TRUE)) {
- error("Error configuring device: %s",
- device_error_or_status(device));
- }
-
- if (!set_restore_device_read_buffer_size(device, flags)) {
- error("Error setting read block size: %s.\n", device_error_or_status(device));
- }
- device_status = device_read_label(device);
- if (device_status != DEVICE_STATUS_SUCCESS) {
- error("Error reading volume label: %s.\n", device_error_or_status(device));
- }
-
- g_assert(device->volume_label != NULL);
-
- if (!device_start(device, ACCESS_READ, NULL, NULL)) {
- error("Could not open device %s for reading: %s.\n", device_name,
- device_error(device));
- }
-
- if (check_label != NULL && strcmp(check_label,
- device->volume_label) != 0) {
- error("Wrong label: Expected %s, found %s.\n",
- check_label, device->volume_label);
- }
-
- search_a_tape(device, stderr, flags, NULL, NULL, dumpspecs,
- NULL, &first_restored_file, 0, NULL);
-}
-
-/*
- * Parses command line, then loops through all files on tape, restoring
- * files that match the command line criteria.
- */
-
-int
-main(
- int argc,
- char ** argv)
-{
- extern int optind;
- int opt;
- int holding_disk_mode;
- char *tapename = NULL;
- char *e;
- char *label = NULL;
- rst_flags_t *rst_flags;
- long tmplong;
- GSList *dumpspecs;
- config_overwrites_t *cfg_ovr;
-
- /*
- * Configure program for internationalization:
- * 1) Only set the message locale for now.
- * 2) Set textdomain for all amanda related programs to "amanda"
- * We don't want to be forced to support dozens of message catalogs.
- */
- setlocale(LC_MESSAGES, "C");
- textdomain("amanda");
-
- safe_fd(-1, 0);
-
- set_pname("amrestore");
-
- dbopen(DBG_SUBDIR_SERVER);
-
- /* Don't die when child closes pipe */
- signal(SIGPIPE, SIG_IGN);
-
- erroutput_type = ERR_INTERACTIVE;
- error_exit_status = 2;
-
- rst_flags = new_rst_flags();
- rst_flags->inline_assemble = 0;
-
- cfg_ovr = new_config_overwrites(argc/2);
- /* handle options */
- while( (opt = getopt(argc, argv, "b:cCd:rphf:l:o:")) != -1) {
- switch(opt) {
- case 'b':
- tmplong = strtol(optarg, &e, 10);
- rst_flags->blocksize = (ssize_t)tmplong;
- if(*e == 'k' || *e == 'K') {
- rst_flags->blocksize *= 1024;
- } else if(*e == 'm' || *e == 'M') {
- rst_flags->blocksize *= 1024 * 1024;
- } else if(*e != '\0') {
- error(_("invalid blocksize value \"%s\""), optarg);
- /*NOTREACHED*/
- }
- break;
- case 'c': rst_flags->compress = 1; break;
- case 'o':
- add_config_overwrite_opt(cfg_ovr, optarg);
- break;
- case 'C':
- rst_flags->compress = 1;
- rst_flags->comp_type = COMPRESS_BEST_OPT;
- break;
- case 'r': rst_flags->raw = 1; break;
- case 'p': rst_flags->pipe_to_fd = fileno(stdout); break;
- case 'h': rst_flags->headers = 1; break;
- case 'f': rst_flags->fsf = (off_t)OFF_T_STRTOL(optarg, &e, 10);
- /*@ignore@*/
- if(*e != '\0') {
- error(_("invalid fileno value \"%s\""), optarg);
- g_assert_not_reached();
- }
- /*@end@*/
- break;
- case 'l':
- if (label) {
- error(_("Cannot specify multiple labels.\n"));
- }
- label = stralloc(optarg);
- break;
- default:
- usage();
- }
- }
-
- /* initialize a generic configuration without reading anything */
- config_init(0, NULL);
- apply_config_overwrites(cfg_ovr);
-
- if (config_errors(NULL) >= CFGERR_WARNINGS) {
- config_print_errors();
- if (config_errors(NULL) >= CFGERR_ERRORS) {
- g_critical(_("errors processing config file"));
- }
- }
-
- if(rst_flags->compress && rst_flags->raw) {
- g_fprintf(stderr,
- _("Cannot specify both -r (raw) and -c (compressed) output.\n"));
- usage();
- }
-
- if(optind >= argc) {
- g_fprintf(stderr, _("%s: Must specify tape-device or holdingfile\n"),
- get_pname());
- usage();
- }
-
- tapename = argv[optind++];
-
- dumpspecs = cmdline_parse_dumpspecs(argc - optind, argv + optind,
- CMDLINE_PARSE_DATESTAMP |
- CMDLINE_EMPTY_TO_WILDCARD);
-
- holding_disk_mode = check_device_type(tapename);
-
- if (holding_disk_mode) {
- if (label) {
- g_fprintf(stderr,_("%s: ignoring -l flag when restoring from a file.\n"),
- get_pname());
- }
-
- if (rst_flags->fsf > 0) {
- g_fprintf(stderr,
- "%s: ignoring -f flag when restoring from a file.\n",
- get_pname());
- }
-
- handle_holding_disk_restore(tapename, rst_flags, dumpspecs);
- } else {
- handle_tape_restore(tapename, rst_flags, dumpspecs, label);
- }
-
- dumpspec_list_free(dumpspecs);
-
- return 0;
-}
projects / debian / amanda / blobdiff