*
* Dumb program to extract files from a Bacula backup.
*
- * Kern E. Sibbald
+ * Kern E. Sibbald, MM
*
* Version $Id$
*
*/
/*
- Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
+ Copyright (C) 2000-2004 Kern Sibbald and John Walker
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
#include "stored.h"
#include "findlib/find.h"
-#ifdef HAVE_CYGWIN
+#if defined(HAVE_CYGWIN) || defined(HAVE_WIN32)
int win32_client = 1;
#else
int win32_client = 0;
#endif
-
static void do_extract(char *fname);
-static void record_cb(JCR *jcr, DEVICE *dev, DEV_BLOCK *block, DEV_RECORD *rec);
+static bool record_cb(DCR *dcr, DEV_RECORD *rec);
static DEVICE *dev = NULL;
+static DCR *dcr;
static BFILE bfd;
static JCR *jcr;
static FF_PKT my_ff;
static FF_PKT *ff = &my_ff;
static BSR *bsr = NULL;
-static int extract = FALSE;
-static long record_file_index;
+static bool extract = false;
+static int non_support_data = 0;
static long total = 0;
-static POOLMEM *fname; /* original file name */
-static POOLMEM *ofile; /* output name with prefix */
-static POOLMEM *lname; /* link name */
-static POOLMEM *attribsEx; /* extended attributes (Win32) */
+static ATTR *attr;
static char *where;
-static int wherelen; /* prefix length */
static uint32_t num_files = 0;
-static struct stat statp;
static uint32_t compress_buf_size = 70000;
static POOLMEM *compress_buf;
-static int type;
-static int stream;
static int prog_name_msg = 0;
+static int win32_data_msg = 0;
static char *VolumeName = NULL;
static char *wbuf; /* write buffer address */
#define CONFIG_FILE "bacula-sd.conf"
char *configfile;
-
+bool forge_on = false;
static void usage()
{
fprintf(stderr,
+"Copyright (C) 2000-2004 Kern Sibbald and John Walker.\n"
"\nVersion: " VERSION " (" BDATE ")\n\n"
-"Usage: bextract [-d debug_level] <bacula-archive> <directory-to-store-files>\n"
+"Usage: bextract <options> <bacula-archive-device-name> <directory-to-store-files>\n"
" -b <file> specify a bootstrap file\n"
" -c <file> specify a configuration file\n"
-" -dnn set debug level to nn\n"
+" -d <nn> set debug level to nn\n"
" -e <file> exclude list\n"
" -i <file> include list\n"
-" -V specify Volume names (separated by |)\n"
+" -p proceed inspite of I/O errors\n"
+" -v verbose\n"
+" -V <volumes> specify Volume names (separated by |)\n"
" -? print this message\n\n");
exit(1);
}
init_include_exclude_files(ff);
binit(&bfd);
- while ((ch = getopt(argc, argv, "b:c:d:e:i:?")) != -1) {
+ while ((ch = getopt(argc, argv, "b:c:d:e:i:pvV:?")) != -1) {
switch (ch) {
- case 'b': /* bootstrap file */
- bsr = parse_bsr(NULL, optarg);
-// dump_bsr(bsr);
- break;
-
- case 'c': /* specify config file */
- if (configfile != NULL) {
- free(configfile);
- }
- configfile = bstrdup(optarg);
- break;
-
- case 'd': /* debug level */
- debug_level = atoi(optarg);
- if (debug_level <= 0)
- debug_level = 1;
- break;
+ case 'b': /* bootstrap file */
+ bsr = parse_bsr(NULL, optarg);
+// dump_bsr(bsr, true);
+ break;
+
+ case 'c': /* specify config file */
+ if (configfile != NULL) {
+ free(configfile);
+ }
+ configfile = bstrdup(optarg);
+ break;
+
+ case 'd': /* debug level */
+ debug_level = atoi(optarg);
+ if (debug_level <= 0)
+ debug_level = 1;
+ break;
+
+ case 'e': /* exclude list */
+ if ((fd = fopen(optarg, "r")) == NULL) {
+ berrno be;
+ Pmsg2(0, "Could not open exclude file: %s, ERR=%s\n",
+ optarg, be.strerror());
+ exit(1);
+ }
+ while (fgets(line, sizeof(line), fd) != NULL) {
+ strip_trailing_junk(line);
+ Dmsg1(900, "add_exclude %s\n", line);
+ add_fname_to_exclude_list(ff, line);
+ }
+ fclose(fd);
+ break;
+
+ case 'i': /* include list */
+ if ((fd = fopen(optarg, "r")) == NULL) {
+ berrno be;
+ Pmsg2(0, "Could not open include file: %s, ERR=%s\n",
+ optarg, be.strerror());
+ exit(1);
+ }
+ while (fgets(line, sizeof(line), fd) != NULL) {
+ strip_trailing_junk(line);
+ Dmsg1(900, "add_include %s\n", line);
+ add_fname_to_include_list(ff, 0, line);
+ }
+ fclose(fd);
+ got_inc = TRUE;
+ break;
- case 'e': /* exclude list */
- if ((fd = fopen(optarg, "r")) == NULL) {
- Pmsg2(0, "Could not open exclude file: %s, ERR=%s\n",
- optarg, strerror(errno));
- exit(1);
- }
- while (fgets(line, sizeof(line), fd) != NULL) {
- strip_trailing_junk(line);
- Dmsg1(900, "add_exclude %s\n", line);
- add_fname_to_exclude_list(ff, line);
- }
- fclose(fd);
- break;
+ case 'p':
+ forge_on = true;
+ break;
- case 'i': /* include list */
- if ((fd = fopen(optarg, "r")) == NULL) {
- Pmsg2(0, "Could not open include file: %s, ERR=%s\n",
- optarg, strerror(errno));
- exit(1);
- }
- while (fgets(line, sizeof(line), fd) != NULL) {
- strip_trailing_junk(line);
- Dmsg1(900, "add_include %s\n", line);
- add_fname_to_include_list(ff, 0, line);
- }
- fclose(fd);
- got_inc = TRUE;
- break;
+ case 'v':
+ verbose++;
+ break;
- case 'V': /* Volume name */
- VolumeName = optarg;
- break;
+ case 'V': /* Volume name */
+ VolumeName = optarg;
+ break;
- case '?':
- default:
- usage();
+ case '?':
+ default:
+ usage();
- }
- }
+ } /* end switch */
+ } /* end while */
argc -= optind;
argv += optind;
if (bsr) {
free_bsr(bsr);
}
+ if (prog_name_msg) {
+ Pmsg1(000, "%d Program Name and/or Program Data Stream records ignored.\n",
+ prog_name_msg);
+ }
+ if (win32_data_msg) {
+ Pmsg1(000, "%d Win32 data or Win32 gzip data stream records. Ignored.\n",
+ win32_data_msg);
+ }
return 0;
}
static void do_extract(char *devname)
{
-
- jcr = setup_jcr("bextract", devname, bsr, VolumeName);
- dev = setup_to_access_device(jcr, 1); /* acquire for read */
+ struct stat statp;
+ jcr = setup_jcr("bextract", devname, bsr, VolumeName, 1); /* acquire for read */
+ if (!jcr) {
+ exit(1);
+ }
+ dev = jcr->dcr->dev;
if (!dev) {
exit(1);
}
+ dcr = jcr->dcr;
/* Make sure where directory exists and that it is a directory */
if (stat(where, &statp) < 0) {
+ berrno be;
Emsg2(M_ERROR_TERM, 0, "Cannot stat %s. It must exist. ERR=%s\n",
- where, strerror(errno));
+ where, be.strerror());
}
if (!S_ISDIR(statp.st_mode)) {
Emsg1(M_ERROR_TERM, 0, "%s must be a directory.\n", where);
}
- wherelen = strlen(where);
- fname = get_pool_memory(PM_FNAME);
- ofile = get_pool_memory(PM_FNAME);
- lname = get_pool_memory(PM_FNAME);
- attribsEx = get_pool_memory(PM_FNAME);
+ free(jcr->where);
+ jcr->where = bstrdup(where);
+ attr = new_attr();
compress_buf = get_memory(compress_buf_size);
- read_records(jcr, dev, record_cb, mount_next_read_volume);
+ read_records(dcr, record_cb, mount_next_read_volume);
/* If output file is still open, it was the last one in the
* archive since we just hit an end of file, so close the file.
*/
if (is_bopen(&bfd)) {
- set_attributes(jcr, fname, ofile, lname, type, stream, &statp,
- attribsEx, &bfd);
+ set_attributes(jcr, attr, &bfd);
}
- release_device(jcr, dev);
-
- free_pool_memory(fname);
- free_pool_memory(ofile);
- free_pool_memory(lname);
- free_pool_memory(compress_buf);
- term_dev(dev);
+ release_device(jcr);
+ free_attr(attr);
free_jcr(jcr);
+ term_dev(dev);
+
printf("%u files restored.\n", num_files);
return;
}
/*
* Called here for each record from read_records()
*/
-static void record_cb(JCR *jcr, DEVICE *dev, DEV_BLOCK *block, DEV_RECORD *rec)
+static bool record_cb(DCR *dcr, DEV_RECORD *rec)
{
int stat;
+ JCR *jcr = dcr->jcr;
if (rec->FileIndex < 0) {
- return; /* we don't want labels */
+ return true; /* we don't want labels */
}
/* File Attributes stream */
- if (rec->Stream == STREAM_UNIX_ATTRIBUTES || rec->Stream == STREAM_WIN32_ATTRIBUTES) {
- char *ap, *lp, *fp, *apex;
- stream = rec->Stream;
+ switch (rec->Stream) {
+ case STREAM_UNIX_ATTRIBUTES:
+ case STREAM_UNIX_ATTRIBUTES_EX:
/* If extracting, it was from previous stream, so
* close the output file.
*/
if (extract) {
if (!is_bopen(&bfd)) {
- Emsg0(M_ERROR, 0, "Logic error output file should be open but is not.\n");
+ Emsg0(M_ERROR, 0, _("Logic error output file should be open but is not.\n"));
}
- extract = FALSE;
- set_attributes(jcr, fname, ofile, lname, type, stream, &statp,
- attribsEx, &bfd);
+ set_attributes(jcr, attr, &bfd);
+ extract = false;
}
- if (sizeof_pool_memory(fname) < rec->data_len) {
- fname = realloc_pool_memory(fname, rec->data_len + 1);
- }
- if (sizeof_pool_memory(ofile) < rec->data_len + wherelen + 1) {
- ofile = realloc_pool_memory(ofile, rec->data_len + wherelen + 1);
- }
- if (sizeof_pool_memory(lname) < rec->data_len) {
- lname = realloc_pool_memory(lname, rec->data_len + wherelen + 1);
- }
- *fname = 0;
- *lname = 0;
-
- /*
- * An Attributes record consists of:
- * File_index
- * Type (FT_types)
- * Filename
- * Attributes
- * Link name (if file linked i.e. FT_LNK)
- * Extended Attributes (Win32)
- *
- */
- sscanf(rec->data, "%ld %d", &record_file_index, &type);
- if (record_file_index != rec->FileIndex)
- Emsg2(M_ERROR_TERM, 0, "Record header file index %ld not equal record index %ld\n",
- rec->FileIndex, record_file_index);
- ap = rec->data;
- while (*ap++ != ' ') /* skip record file index */
- ;
- while (*ap++ != ' ') /* skip type */
- ;
- /* Save filename and position to attributes */
- fp = fname;
- while (*ap != 0) {
- *fp++ = *ap++;
+ if (!unpack_attributes_record(jcr, rec->Stream, rec->data, attr)) {
+ Emsg0(M_ERROR_TERM, 0, _("Cannot continue.\n"));
}
- *fp = *ap++; /* terminate filename & point to attribs */
- /* Skip to Link name */
- if (type == FT_LNK || type == FT_LNKSAVED) {
- lp = ap;
- while (*lp++ != 0) {
- ;
- }
- } else {
- lp = "";
+ if (attr->file_index != rec->FileIndex) {
+ Emsg2(M_ERROR_TERM, 0, _("Record header file index %ld not equal record index %ld\n"),
+ rec->FileIndex, attr->file_index);
}
-
- if (rec->Stream == STREAM_WIN32_ATTRIBUTES) {
- apex = ap; /* start at attributes */
- while (*apex++ != 0) { /* skip attributes */
- ;
- }
- while (*apex++ != 0) { /* skip link name */
- ;
- }
- pm_strcpy(&attribsEx, apex); /* make a copy of Extended attributes */
- } else {
- *attribsEx = 0; /* no extended attributes */
- }
-
- if (file_is_included(ff, fname) && !file_is_excluded(ff, fname)) {
- uint32_t LinkFI;
-
- decode_stat(ap, &statp, &LinkFI);
- /*
- * Prepend the where directory so that the
- * files are put where the user wants.
- *
- * We do a little jig here to handle Win32 files with
- * a drive letter -- we simply strip the drive: from
- * every filename if a prefix is supplied.
- */
- if (where[0] == 0) {
- strcpy(ofile, fname);
- strcpy(lname, lp);
- } else {
- char *fn;
- strcpy(ofile, where);
- if (win32_client && fname[1] == ':') {
- fn = fname+2; /* skip over drive: */
- } else {
- fn = fname; /* take whole name */
- }
- /* Ensure where is terminated with a slash */
- if (where[wherelen-1] != '/' && fn[0] != '/') {
- strcat(ofile, "/");
- }
- strcat(ofile, fn); /* copy rest of name */
- /* Fixup link name for hard links, but not for
- * soft links
- */
- if (type == FT_LNKSAVED) {
- if (lp[0] == '/') { /* if absolute path */
- strcpy(lname, where);
- }
- if (win32_client && lp[1] == ':') {
- strcat(lname, lp+2); /* copy rest of name */
- } else {
- strcat(lname, lp); /* On Unix systems we take everything */
- }
+ if (file_is_included(ff, attr->fname) && !file_is_excluded(ff, attr->fname)) {
+
+ attr->data_stream = decode_stat(attr->attr, &attr->statp, &attr->LinkFI);
+ if (!is_stream_supported(attr->data_stream)) {
+ if (!non_support_data++) {
+ Jmsg(jcr, M_ERROR, 0, _("%s stream not supported on this Client.\n"),
+ stream_to_ascii(attr->data_stream));
}
+ extract = false;
+ return true;
}
- /* Pmsg1(000, "Restoring: %s\n", ofile); */
- extract = FALSE;
- stat = create_file(jcr, fname, ofile, lname, type, stream,
- &statp, attribsEx, &bfd, REPLACE_ALWAYS);
+ build_attr_output_fnames(jcr, attr);
+
+ extract = false;
+ stat = create_file(jcr, attr, &bfd, REPLACE_ALWAYS);
switch (stat) {
case CF_ERROR:
case CF_SKIP:
break;
case CF_EXTRACT:
- extract = TRUE;
- print_ls_output(ofile, lname, type, &statp);
+ extract = true;
+ print_ls_output(jcr, attr);
num_files++;
fileAddr = 0;
break;
case CF_CREATED:
- set_attributes(jcr, fname, ofile, lname, type, stream, &statp,
- attribsEx, &bfd);
- print_ls_output(ofile, lname, type, &statp);
+ set_attributes(jcr, attr, &bfd);
+ print_ls_output(jcr, attr);
num_files++;
fileAddr = 0;
break;
}
}
+ break;
/* Data stream and extracting */
- } else if (rec->Stream == STREAM_FILE_DATA || rec->Stream == STREAM_SPARSE_DATA) {
+ case STREAM_FILE_DATA:
+ case STREAM_SPARSE_DATA:
+ case STREAM_WIN32_DATA:
+
if (extract) {
if (rec->Stream == STREAM_SPARSE_DATA) {
ser_declare;
if (fileAddr != faddr) {
fileAddr = faddr;
if (blseek(&bfd, (off_t)fileAddr, SEEK_SET) < 0) {
- Emsg2(M_ERROR_TERM, 0, _("Seek error on %s: %s\n"), ofile, strerror(errno));
+ berrno be;
+ Emsg2(M_ERROR_TERM, 0, _("Seek error on %s: %s\n"),
+ attr->ofname, be.strerror());
}
}
} else {
total += wsize;
Dmsg2(8, "Write %u bytes, total=%u\n", wsize, total);
if ((uint32_t)bwrite(&bfd, wbuf, wsize) != wsize) {
- Emsg2(M_ERROR_TERM, 0, _("Write error on %s: %s\n"), ofile, strerror(errno));
+ berrno be;
+ Emsg2(M_ERROR_TERM, 0, _("Write error on %s: %s\n"),
+ attr->ofname, be.strerror());
}
fileAddr += wsize;
}
+ break;
- } else if (rec->Stream == STREAM_GZIP_DATA || rec->Stream == STREAM_SPARSE_GZIP_DATA) {
+ /* GZIP data stream */
+ case STREAM_GZIP_DATA:
+ case STREAM_SPARSE_GZIP_DATA:
+ case STREAM_WIN32_GZIP_DATA:
#ifdef HAVE_LIBZ
if (extract) {
- uLongf compress_len;
+ uLong compress_len;
int stat;
if (rec->Stream == STREAM_SPARSE_GZIP_DATA) {
ser_declare;
uint64_t faddr;
+ char ec1[50];
wbuf = rec->data + SPARSE_FADDR_SIZE;
wsize = rec->data_len - SPARSE_FADDR_SIZE;
ser_begin(rec->data, SPARSE_FADDR_SIZE);
if (fileAddr != faddr) {
fileAddr = faddr;
if (blseek(&bfd, (off_t)fileAddr, SEEK_SET) < 0) {
- Emsg2(M_ERROR, 0, _("Seek error on %s: %s\n"), ofile, strerror(errno));
+ berrno be;
+ Emsg3(M_ERROR, 0, _("Seek to %s error on %s: ERR=%s\n"),
+ edit_uint64(fileAddr, ec1), attr->ofname, be.strerror());
+ extract = false;
+ return true;
}
}
} else {
compress_len = compress_buf_size;
if ((stat=uncompress((Bytef *)compress_buf, &compress_len,
(const Bytef *)wbuf, (uLong)wsize) != Z_OK)) {
- Emsg1(M_ERROR_TERM, 0, _("Uncompression error. ERR=%d\n"), stat);
+ Emsg1(M_ERROR, 0, _("Uncompression error. ERR=%d\n"), stat);
+ extract = false;
+ return true;
}
Dmsg2(100, "Write uncompressed %d bytes, total before write=%d\n", compress_len, total);
if ((uLongf)bwrite(&bfd, compress_buf, (size_t)compress_len) != compress_len) {
+ berrno be;
Pmsg0(0, "===Write error===\n");
- Emsg2(M_ERROR_TERM, 0, _("Write error on %s: %s\n"), ofile, strerror(errno));
+ Emsg2(M_ERROR, 0, _("Write error on %s: %s\n"),
+ attr->ofname, be.strerror());
+ extract = false;
+ return true;
}
total += compress_len;
fileAddr += compress_len;
#else
if (extract) {
Emsg0(M_ERROR, 0, "GZIP data stream found, but GZIP not configured!\n");
+ extract = false;
+ return true;
}
#endif
+ break;
+ case STREAM_MD5_SIGNATURE:
+ case STREAM_SHA1_SIGNATURE:
+ break;
- /* If extracting, wierd stream (not 1 or 2), close output file anyway */
- } else if (extract) {
- if (!is_bopen(&bfd)) {
- Emsg0(M_ERROR, 0, "Logic error output file should be open but is not.\n");
- }
- extract = FALSE;
- set_attributes(jcr, fname, ofile, lname, type, stream, &statp,
- attribsEx, &bfd);
- } else if (rec->Stream == STREAM_PROGRAM_NAMES || rec->Stream == STREAM_PROGRAM_DATA) {
+ case STREAM_PROGRAM_NAMES:
+ case STREAM_PROGRAM_DATA:
if (!prog_name_msg) {
Pmsg0(000, "Got Program Name or Data Stream. Ignored.\n");
- prog_name_msg = 1;
+ prog_name_msg++;
}
- } else if (!(rec->Stream == STREAM_MD5_SIGNATURE ||
- rec->Stream == STREAM_SHA1_SIGNATURE)) {
- Pmsg2(0, "None of above!!! stream=%d data=%s\n", rec->Stream, rec->data);
- }
-}
-
-
+ break;
+ default:
+ /* If extracting, wierd stream (not 1 or 2), close output file anyway */
+ if (extract) {
+ if (!is_bopen(&bfd)) {
+ Emsg0(M_ERROR, 0, "Logic error output file should be open but is not.\n");
+ }
+ set_attributes(jcr, attr, &bfd);
+ extract = false;
+ }
+ Jmsg(jcr, M_ERROR, 0, _("Unknown stream=%d ignored. This shouldn't happen!\n"),
+ rec->Stream);
+ break;
+
+ } /* end switch */
+ return true;
+}
/* Dummies to replace askdir.c */
-int dir_get_volume_info(JCR *jcr, int writing) { return 1;}
-int dir_find_next_appendable_volume(JCR *jcr) { return 1;}
-int dir_update_volume_info(JCR *jcr, VOLUME_CAT_INFO *vol, int relabel) { return 1; }
-int dir_create_jobmedia_record(JCR *jcr) { return 1; }
-int dir_ask_sysop_to_mount_next_volume(JCR *jcr, DEVICE *dev) { return 1; }
-int dir_update_file_attributes(JCR *jcr, DEV_RECORD *rec) { return 1;}
-int dir_send_job_status(JCR *jcr) {return 1;}
+bool dir_get_volume_info(DCR *dcr, enum get_vol_info_rw writing) { return 1;}
+bool dir_find_next_appendable_volume(DCR *dcr) { return 1;}
+bool dir_update_volume_info(DCR *dcr, bool relabel) { return 1; }
+bool dir_create_jobmedia_record(DCR *dcr) { return 1; }
+bool dir_ask_sysop_to_create_appendable_volume(DCR *dcr) { return 1; }
+bool dir_update_file_attributes(DCR *dcr, DEV_RECORD *rec) { return 1;}
+bool dir_send_job_status(JCR *jcr) {return 1;}
-int dir_ask_sysop_to_mount_volume(JCR *jcr, DEVICE *dev)
+bool dir_ask_sysop_to_mount_volume(DCR *dcr)
{
- fprintf(stderr, "Mount Volume %s on device %s and press return when ready: ",
- jcr->VolumeName, dev_name(dev));
+ DEVICE *dev = dcr->dev;
+ fprintf(stderr, "Mount Volume \"%s\" on device %s and press return when ready: ",
+ dcr->VolumeName, dev_name(dev));
getchar();
- return 1;
+ return true;
}
projects / bacula / bacula / blobdiff