/*
- * Bacula File Daemon verify.c Verify files.
- *
- * Kern Sibbald, October MM
- *
- * Version $Id$
- *
- */
-/*
- Copyright (C) 2000-2003 Kern Sibbald and John Walker
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2000-2007 Free Software Foundation Europe e.V.
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
+ The main author of Bacula is Kern Sibbald, with contributions from
+ many others, a complete list can be found in the file AUTHORS.
+ This program is Free Software; you can redistribute it and/or
+ modify it under the terms of version two of the GNU General Public
+ License as published by the Free Software Foundation plus additions
+ that are listed in the file LICENSE.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
- You should have received a copy of the GNU General Public
- License along with this program; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+ Bacula® is a registered trademark of John Walker.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
+/*
+ * Bacula File Daemon verify.c Verify files.
+ *
+ * Kern Sibbald, October MM
+ *
+ * Version $Id$
+ *
*/
#include "bacula.h"
#include "filed.h"
-static int verify_file(FF_PKT *ff_pkt, void *my_pkt);
+static int verify_file(FF_PKT *ff_pkt, void *my_pkt, bool);
+static int read_digest(BFILE *bfd, DIGEST *digest, JCR *jcr);
-/*
+/*
* Find all the requested files and send attributes
* to the Director.
- *
+ *
*/
void do_verify(JCR *jcr)
{
- BSOCK *dir = jcr->dir_bsock;
-
- jcr->buf_size = MAX_NETWORK_BUFFER_SIZE;
+ set_jcr_job_status(jcr, JS_Running);
+ jcr->buf_size = DEFAULT_NETWORK_BUFFER_SIZE;
if ((jcr->big_buf = (char *) malloc(jcr->buf_size)) == NULL) {
- Emsg1(M_ABORT, 0, _("Cannot malloc %d network read buffer\n"), MAX_NETWORK_BUFFER_SIZE);
+ Jmsg1(jcr, M_ABORT, 0, _("Cannot malloc %d network read buffer\n"),
+ DEFAULT_NETWORK_BUFFER_SIZE);
}
- set_find_options(jcr->ff, jcr->incremental, jcr->mtime);
+ set_find_options((FF_PKT *)jcr->ff, jcr->incremental, jcr->mtime);
Dmsg0(10, "Start find files\n");
/* Subroutine verify_file() is called for each file */
- find_files(jcr->ff, verify_file, (void *)jcr);
+ find_files(jcr, (FF_PKT *)jcr->ff, verify_file, (void *)jcr);
Dmsg0(10, "End find files\n");
- bnet_sig(dir, BNET_EOD); /* signal end of data */
-
if (jcr->big_buf) {
free(jcr->big_buf);
jcr->big_buf = NULL;
}
-}
+ set_jcr_job_status(jcr, JS_Terminated);
+}
-/*
+/*
* Called here by find() for each file.
*
- * Find the file, compute the MD5 and send it back to the Director
+ * Find the file, compute the MD5 or SHA1 and send it back to the Director
*/
-static int verify_file(FF_PKT *ff_pkt, void *pkt)
+static int verify_file(FF_PKT *ff_pkt, void *pkt, bool top_level)
{
char attribs[MAXSTRING];
- int32_t n;
- int fid, stat;
- struct MD5Context md5c;
- unsigned char signature[20];
+ char attribsEx[MAXSTRING];
+ int digest_stream = STREAM_NONE;
+ int stat;
+ DIGEST *digest = NULL;
BSOCK *dir;
JCR *jcr = (JCR *)pkt;
- if (job_cancelled(jcr)) {
+ if (job_canceled(jcr)) {
return 0;
}
-
+
dir = jcr->dir_bsock;
- jcr->num_files_examined++; /* bump total file count */
+ jcr->num_files_examined++; /* bump total file count */
switch (ff_pkt->type) {
- case FT_LNKSAVED: /* Hard linked, file already saved */
+ case FT_LNKSAVED: /* Hard linked, file already saved */
Dmsg2(30, "FT_LNKSAVED saving: %s => %s\n", ff_pkt->fname, ff_pkt->link);
break;
case FT_REGE:
case FT_LNK:
Dmsg2(30, "FT_LNK saving: %s -> %s\n", ff_pkt->fname, ff_pkt->link);
break;
- case FT_DIR:
+ case FT_DIRBEGIN:
+ jcr->num_files_examined--; /* correct file count */
+ return 1; /* ignored */
+ case FT_DIREND:
Dmsg1(30, "FT_DIR saving: %s\n", ff_pkt->fname);
break;
case FT_SPEC:
case FT_FIFO:
Dmsg1(30, "FT_FIFO saving: %s\n", ff_pkt->fname);
break;
- case FT_NOACCESS:
- Jmsg(jcr, M_NOTSAVED, -1, _(" Could not access %s: ERR=%s\n"), ff_pkt->fname, strerror(ff_pkt->ff_errno));
+ case FT_NOACCESS: {
+ berrno be;
+ be.set_errno(ff_pkt->ff_errno);
+ Jmsg(jcr, M_NOTSAVED, 1, _(" Could not access %s: ERR=%s\n"), ff_pkt->fname, be.bstrerror());
+ jcr->Errors++;
return 1;
- case FT_NOFOLLOW:
- Jmsg(jcr, M_NOTSAVED, -1, _(" Could not follow link %s: ERR=%s\n"), ff_pkt->fname, strerror(ff_pkt->ff_errno));
+ }
+ case FT_NOFOLLOW: {
+ berrno be;
+ be.set_errno(ff_pkt->ff_errno);
+ Jmsg(jcr, M_NOTSAVED, 1, _(" Could not follow link %s: ERR=%s\n"), ff_pkt->fname, be.bstrerror());
+ jcr->Errors++;
return 1;
- case FT_NOSTAT:
- Jmsg(jcr, M_NOTSAVED, -1, _(" Could not stat %s: ERR=%s\n"), ff_pkt->fname, strerror(ff_pkt->ff_errno));
+ }
+ case FT_NOSTAT: {
+ berrno be;
+ be.set_errno(ff_pkt->ff_errno);
+ Jmsg(jcr, M_NOTSAVED, 1, _(" Could not stat %s: ERR=%s\n"), ff_pkt->fname, be.bstrerror());
+ jcr->Errors++;
return 1;
+ }
case FT_DIRNOCHG:
case FT_NOCHG:
- Jmsg(jcr, M_INFO, -1, _(" Unchanged file skipped: %s\n"), ff_pkt->fname);
+ Jmsg(jcr, M_SKIPPED, 1, _(" Unchanged file skipped: %s\n"), ff_pkt->fname);
return 1;
case FT_ISARCH:
- Jmsg(jcr, M_SKIPPED, -1, _(" Archive file skipped: %s\n"), ff_pkt->fname);
+ Jmsg(jcr, M_SKIPPED, 1, _(" Archive file skipped: %s\n"), ff_pkt->fname);
return 1;
case FT_NORECURSE:
- Jmsg(jcr, M_SKIPPED, -1, _(" Recursion turned off. Directory skipped: %s\n"), ff_pkt->fname);
- return 1;
+ Jmsg(jcr, M_SKIPPED, 1, _(" Recursion turned off. Directory skipped: %s\n"), ff_pkt->fname);
+ ff_pkt->type = FT_DIREND; /* directory entry was backed up */
+ break;
case FT_NOFSCHG:
- Jmsg(jcr, M_SKIPPED, -1, _(" File system change prohibited. Directory skipped: %s\n"), ff_pkt->fname);
+ Jmsg(jcr, M_SKIPPED, 1, _(" File system change prohibited. Directory skipped: %s\n"), ff_pkt->fname);
return 1;
- case FT_NOOPEN:
- Jmsg(jcr, M_NOTSAVED, -1, _(" Could not open directory %s: ERR=%s\n"), ff_pkt->fname, strerror(ff_pkt->ff_errno));
+ case FT_NOOPEN: {
+ berrno be;
+ be.set_errno(ff_pkt->ff_errno);
+ Jmsg(jcr, M_NOTSAVED, 1, _(" Could not open directory %s: ERR=%s\n"), ff_pkt->fname, be.bstrerror());
+ jcr->Errors++;
return 1;
+ }
default:
Jmsg(jcr, M_NOTSAVED, 0, _(" Unknown file type %d: %s\n"), ff_pkt->type, ff_pkt->fname);
+ jcr->Errors++;
return 1;
}
+ /* Encode attributes and possibly extend them */
+ encode_stat(attribs, ff_pkt, 0);
+ encode_attribsEx(jcr, attribsEx, ff_pkt);
- if (ff_pkt->type != FT_LNKSAVED && (S_ISREG(ff_pkt->statp.st_mode) &&
- ff_pkt->statp.st_size > 0) ||
- ff_pkt->type == FT_RAW || ff_pkt->type == FT_FIFO) {
- if ((fid = open(ff_pkt->fname, O_RDONLY | O_BINARY)) < 0) {
- ff_pkt->ff_errno = errno;
- Jmsg(jcr, M_NOTSAVED, -1, _(" Cannot open %s: ERR=%s.\n"), ff_pkt->fname, strerror(ff_pkt->ff_errno));
- return 1;
- }
- } else {
- fid = -1;
- }
-
- encode_stat(attribs, &ff_pkt->statp);
-
- jcr->JobFiles++; /* increment number of files sent */
- pm_strcpy(&jcr->last_fname, ff_pkt->fname);
-
+ jcr->lock();
+ jcr->JobFiles++; /* increment number of files sent */
+ pm_strcpy(jcr->last_fname, ff_pkt->fname);
+ jcr->unlock();
- /*
+ /*
* Send file attributes to Director
- * File_index
- * Stream
- * Verify Options
- * Filename (full path)
- * Encoded attributes
- * Link name (if type==FT_LNK)
+ * File_index
+ * Stream
+ * Verify Options
+ * Filename (full path)
+ * Encoded attributes
+ * Link name (if type==FT_LNK)
* For a directory, link is the same as fname, but with trailing
* slash. For a linked file, link is the link.
*/
Dmsg2(400, "send ATTR inx=%d fname=%s\n", jcr->JobFiles, ff_pkt->fname);
if (ff_pkt->type == FT_LNK || ff_pkt->type == FT_LNKSAVED) {
stat = bnet_fsend(dir, "%d %d %s %s%c%s%c%s%c", jcr->JobFiles,
- STREAM_UNIX_ATTRIBUTES, ff_pkt->VerifyOpts, ff_pkt->fname,
- 0, attribs, 0, ff_pkt->link, 0);
+ STREAM_UNIX_ATTRIBUTES, ff_pkt->VerifyOpts, ff_pkt->fname,
+ 0, attribs, 0, ff_pkt->link, 0);
+ } else if (ff_pkt->type == FT_DIREND) {
+ /* Here link is the canonical filename (i.e. with trailing slash) */
+ stat = bnet_fsend(dir,"%d %d %s %s%c%s%c%c", jcr->JobFiles,
+ STREAM_UNIX_ATTRIBUTES, ff_pkt->VerifyOpts, ff_pkt->link,
+ 0, attribs, 0, 0);
} else {
stat = bnet_fsend(dir,"%d %d %s %s%c%s%c%c", jcr->JobFiles,
- STREAM_UNIX_ATTRIBUTES, ff_pkt->VerifyOpts, ff_pkt->fname,
- 0, attribs, 0, 0);
+ STREAM_UNIX_ATTRIBUTES, ff_pkt->VerifyOpts, ff_pkt->fname,
+ 0, attribs, 0, 0);
}
Dmsg2(20, "bfiled>bdird: attribs len=%d: msg=%s\n", dir->msglen, dir->msg);
if (!stat) {
- Jmsg(jcr, M_ERROR, 0, _("Network error in send to Director: ERR=%s\n"), bnet_strerror(dir));
- if (fid >= 0) {
- close(fid);
- }
+ Jmsg(jcr, M_FATAL, 0, _("Network error in send to Director: ERR=%s\n"), bnet_strerror(dir));
return 0;
}
- /* If file opened, compute MD5 */
- if (fid >= 0 && ff_pkt->flags & FO_MD5) {
- char MD5buf[50]; /* 24 should do */
+ /*
+ * The remainder of the function is all about getting the checksum.
+ * First we initialise, then we read files, other streams and Finder Info.
+ */
+ if (ff_pkt->type != FT_LNKSAVED && (S_ISREG(ff_pkt->statp.st_mode) &&
+ ff_pkt->flags & (FO_MD5|FO_SHA1|FO_SHA256|FO_SHA512))) {
+ /*
+ * Create our digest context. If this fails, the digest will be set to NULL
+ * and not used.
+ */
+ if (ff_pkt->flags & FO_MD5) {
+ digest = crypto_digest_new(jcr, CRYPTO_DIGEST_MD5);
+ digest_stream = STREAM_MD5_DIGEST;
+
+ } else if (ff_pkt->flags & FO_SHA1) {
+ digest = crypto_digest_new(jcr, CRYPTO_DIGEST_SHA1);
+ digest_stream = STREAM_SHA1_DIGEST;
- MD5Init(&md5c);
+ } else if (ff_pkt->flags & FO_SHA256) {
+ digest = crypto_digest_new(jcr, CRYPTO_DIGEST_SHA256);
+ digest_stream = STREAM_SHA256_DIGEST;
- while ((n=read(fid, jcr->big_buf, jcr->buf_size)) > 0) {
- MD5Update(&md5c, ((unsigned char *) jcr->big_buf), n);
- jcr->JobBytes += n;
+ } else if (ff_pkt->flags & FO_SHA512) {
+ digest = crypto_digest_new(jcr, CRYPTO_DIGEST_SHA512);
+ digest_stream = STREAM_SHA512_DIGEST;
}
- if (n < 0) {
- Jmsg(jcr, M_WARNING, -1, _("Error reading file %s: ERR=%s\n"),
- ff_pkt->fname, strerror(errno));
+
+ /* Did digest initialization fail? */
+ if (digest_stream != STREAM_NONE && digest == NULL) {
+ Jmsg(jcr, M_WARNING, 0, _("%s digest initialization failed\n"),
+ stream_to_ascii(digest_stream));
}
- MD5Final(signature, &md5c);
+ /* compute MD5 or SHA1 hash */
+ if (digest) {
+ char md[CRYPTO_DIGEST_MAX_SIZE];
+ uint32_t size;
+
+ size = sizeof(md);
+
+ if (digest_file(jcr, ff_pkt, digest) != 0) {
+ jcr->Errors++;
+ goto good_rtn;
+ }
- bin_to_base64(MD5buf, (char *)signature, 16); /* encode 16 bytes */
- Dmsg2(400, "send inx=%d MD5=%s\n", jcr->JobFiles, MD5buf);
- bnet_fsend(dir, "%d %d %s *MD5-%d*", jcr->JobFiles, STREAM_MD5_SIGNATURE, MD5buf,
- jcr->JobFiles);
- Dmsg2(20, "bfiled>bdird: MD5 len=%d: msg=%s\n", dir->msglen, dir->msg);
+ if (crypto_digest_finalize(digest, (uint8_t *)md, &size)) {
+ char *digest_buf;
+ const char *digest_name;
+
+ digest_buf = (char *)malloc(BASE64_SIZE(size));
+ digest_name = crypto_digest_name(digest);
+
+ bin_to_base64(digest_buf, BASE64_SIZE(size), md, size, true);
+ Dmsg3(400, "send inx=%d %s=%s\n", jcr->JobFiles, digest_name, digest_buf);
+ bnet_fsend(dir, "%d %d %s *%s-%d*", jcr->JobFiles, digest_stream, digest_buf,
+ digest_name, jcr->JobFiles);
+ Dmsg3(20, "bfiled>bdird: %s len=%d: msg=%s\n", digest_name,
+ dir->msglen, dir->msg);
+
+ free(digest_buf);
+ }
+ }
}
- if (fid >= 0) {
- close(fid);
+
+good_rtn:
+ if (digest) {
+ crypto_digest_free(digest);
}
return 1;
}
+
+/*
+ * Compute message digest for the file specified by ff_pkt.
+ * In case of errors we need the job control record and file name.
+ */
+int digest_file(JCR *jcr, FF_PKT *ff_pkt, DIGEST *digest)
+{
+ BFILE bfd;
+
+ Dmsg0(50, "=== digest_file\n");
+ binit(&bfd);
+
+ if (ff_pkt->statp.st_size > 0 || ff_pkt->type == FT_RAW
+ || ff_pkt->type == FT_FIFO) {
+ int noatime = ff_pkt->flags & FO_NOATIME ? O_NOATIME : 0;
+ if ((bopen(&bfd, ff_pkt->fname, O_RDONLY | O_BINARY | noatime, 0)) < 0) {
+ ff_pkt->ff_errno = errno;
+ berrno be;
+ be.set_errno(bfd.berrno);
+ Dmsg2(100, "Cannot open %s: ERR=%s\n", ff_pkt->fname, be.bstrerror());
+ Jmsg(jcr, M_ERROR, 1, _(" Cannot open %s: ERR=%s.\n"),
+ ff_pkt->fname, be.bstrerror());
+ return 1;
+ }
+ read_digest(&bfd, digest, jcr);
+ bclose(&bfd);
+ }
+
+#ifdef HAVE_DARWIN_OS
+ /* Open resource fork if necessary */
+ if (ff_pkt->flags & FO_HFSPLUS && ff_pkt->hfsinfo.rsrclength > 0) {
+ if (bopen_rsrc(&bfd, ff_pkt->fname, O_RDONLY | O_BINARY, 0) < 0) {
+ ff_pkt->ff_errno = errno;
+ berrno be;
+ Jmsg(jcr, M_ERROR, -1, _(" Cannot open resource fork for %s: ERR=%s.\n"),
+ ff_pkt->fname, be.bstrerror());
+ if (is_bopen(&ff_pkt->bfd)) {
+ bclose(&ff_pkt->bfd);
+ }
+ return 1;
+ }
+ read_digest(&bfd, digest, jcr);
+ bclose(&bfd);
+ }
+
+ if (digest && ff_pkt->flags & FO_HFSPLUS) {
+ crypto_digest_update(digest, (uint8_t *)ff_pkt->hfsinfo.fndrinfo, 32);
+ }
+#endif
+
+ return 0;
+}
+
+/*
+ * Read message digest of bfd, updating digest
+ * In case of errors we need the job control record and file name.
+ */
+int read_digest(BFILE *bfd, DIGEST *digest, JCR *jcr)
+{
+ char buf[DEFAULT_NETWORK_BUFFER_SIZE];
+ int64_t n;
+
+ Dmsg0(50, "=== read_digest\n");
+ while ((n=bread(bfd, buf, sizeof(buf))) > 0) {
+ crypto_digest_update(digest, (uint8_t *)buf, n);
+ jcr->JobBytes += n;
+ jcr->ReadBytes += n;
+ }
+ if (n < 0) {
+ berrno be;
+ be.set_errno(bfd->berrno);
+ Dmsg2(100, "Error reading file %s: ERR=%s\n", jcr->last_fname, be.bstrerror());
+ Jmsg(jcr, M_ERROR, 1, _("Error reading file %s: ERR=%s\n"),
+ jcr->last_fname, be.bstrerror());
+ jcr->Errors++;
+ return -1;
+ }
+ return 0;
+}
projects / bacula / bacula / blobdiff