/*
Bacula® - The Network Backup Solution
- Copyright (C) 2000-2008 Free Software Foundation Europe e.V.
+ Copyright (C) 2000-2009 Free Software Foundation Europe e.V.
The main author of Bacula is Kern Sibbald, with contributions from
many others, a complete list can be found in the file AUTHORS.
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Bacula® is a registered trademark of John Walker.
+ Bacula® is a registered trademark of Kern Sibbald.
The licensor of Bacula is the Free Software Foundation Europe
(FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
Switzerland, email:ftf@fsfeurope.org.
#include "filed.h"
/* Forward referenced functions */
-static int save_file(FF_PKT *ff_pkt, void *pkt, bool top_level);
-static void strip_path(FF_PKT *ff_pkt);
-static void unstrip_path(FF_PKT *ff_pkt);
+int save_file(JCR *jcr, FF_PKT *ff_pkt, bool top_level);
static int send_data(JCR *jcr, int stream, FF_PKT *ff_pkt, DIGEST *digest, DIGEST *signature_digest);
-static bool encode_and_send_attributes(JCR *jcr, FF_PKT *ff_pkt, int &data_stream);
-static bool read_and_send_acl(JCR *jcr, int acltype, int stream);
+bool encode_and_send_attributes(JCR *jcr, FF_PKT *ff_pkt, int &data_stream);
static bool crypto_session_start(JCR *jcr);
static void crypto_session_end(JCR *jcr);
static bool crypto_session_send(JCR *jcr, BSOCK *sd);
} else {
buf_size = 0; /* use default */
}
- if (!bnet_set_buffer_size(sd, buf_size, BNET_SETBUF_WRITE)) {
+ if (!sd->set_buffer_size(buf_size, BNET_SETBUF_WRITE)) {
set_jcr_job_status(jcr, JS_ErrorTerminated);
Jmsg(jcr, M_FATAL, 0, _("Cannot set buffer size FD->SD.\n"));
return false;
jcr->buf_size = sd->msglen;
/* Adjust for compression so that output buffer is
- * 12 bytes + 0.1% larger than input buffer plus 18 bytes.
- * This gives a bit extra plus room for the sparse addr if any.
- * Note, we adjust the read size to be smaller so that the
- * same output buffer can be used without growing it.
+ * 12 bytes + 0.1% larger than input buffer plus 18 bytes.
+ * This gives a bit extra plus room for the sparse addr if any.
+ * Note, we adjust the read size to be smaller so that the
+ * same output buffer can be used without growing it.
*
- * The zlib compression workset is initialized here to minimise
- * the "per file" load. The jcr member is only set, if the init was successful.
+ * The zlib compression workset is initialized here to minimize
+ * the "per file" load. The jcr member is only set, if the init
+ * was successful.
*/
jcr->compress_buf_size = jcr->buf_size + ((jcr->buf_size+999) / 1000) + 30;
jcr->compress_buf = get_memory(jcr->compress_buf_size);
-
+
#ifdef HAVE_LIBZ
z_stream *pZlibStream = (z_stream*)malloc(sizeof(z_stream));
if (pZlibStream) {
return false;
}
- Dmsg1(300, "set_find_options ff=%p\n", jcr->ff);
set_find_options((FF_PKT *)jcr->ff, jcr->incremental, jcr->mtime);
- Dmsg0(300, "start find files\n");
+ /* in accurate mode, we overwrite the find_one check function */
+ if (jcr->accurate) {
+ set_find_changed_function((FF_PKT *)jcr->ff, accurate_check_file);
+ }
+
start_heartbeat_monitor(jcr);
- jcr->acl_text = get_pool_memory(PM_MESSAGE);
+ jcr->acl_data = get_pool_memory(PM_MESSAGE);
+ jcr->xattr_data = get_pool_memory(PM_MESSAGE);
/* Subroutine save_file() is called for each file */
- if (!find_files(jcr, (FF_PKT *)jcr->ff, save_file, (void *)jcr)) {
+ if (!find_files(jcr, (FF_PKT *)jcr->ff, save_file, plugin_save)) {
ok = false; /* error */
set_jcr_job_status(jcr, JS_ErrorTerminated);
}
- free_pool_memory(jcr->acl_text);
+ accurate_send_deleted_list(jcr); /* send deleted list to SD */
stop_heartbeat_monitor(jcr);
sd->signal(BNET_EOD); /* end of sending data */
+ if (jcr->acl_data) {
+ free_pool_memory(jcr->acl_data);
+ jcr->acl_data = NULL;
+ }
+ if (jcr->xattr_data) {
+ free_pool_memory(jcr->xattr_data);
+ jcr->xattr_data = NULL;
+ }
if (jcr->big_buf) {
free(jcr->big_buf);
jcr->big_buf = NULL;
return true;
}
+
/*
* Called here by find() for each file included.
* This is a callback. The original is find_files() above.
* 0 if error
* -1 to ignore file/directory (not used here)
*/
-static int save_file(FF_PKT *ff_pkt, void *vjcr, bool top_level)
+int save_file(JCR *jcr, FF_PKT *ff_pkt, bool top_level)
{
bool do_read = false;
int stat, data_stream;
#else
crypto_digest_t signing_algorithm = CRYPTO_DIGEST_SHA1;
#endif
- JCR *jcr = (JCR *)vjcr;
BSOCK *sd = jcr->store_bsock;
if (job_canceled(jcr)) {
break;
case FT_NOFSCHG:
/* Suppress message for /dev filesystems */
- if (strncmp(ff_pkt->fname, "/dev/", 5) != 0) {
+ if (!is_in_fileset(ff_pkt)) {
Jmsg(jcr, M_INFO, 1, _(" %s is a different filesystem. Will not descend from %s into %s\n"),
ff_pkt->fname, ff_pkt->top_fname, ff_pkt->fname);
}
break;
case FT_NOACCESS: {
berrno be;
- Jmsg(jcr, M_NOTSAVED, 0, _(" Could not access %s: ERR=%s\n"), ff_pkt->fname,
+ Jmsg(jcr, M_NOTSAVED, 0, _(" Could not access \"%s\": ERR=%s\n"), ff_pkt->fname,
be.bstrerror(ff_pkt->ff_errno));
- jcr->Errors++;
+ jcr->JobErrors++;
return 1;
}
case FT_NOFOLLOW: {
berrno be;
- Jmsg(jcr, M_NOTSAVED, 0, _(" Could not follow link %s: ERR=%s\n"),
+ Jmsg(jcr, M_NOTSAVED, 0, _(" Could not follow link \"%s\": ERR=%s\n"),
ff_pkt->fname, be.bstrerror(ff_pkt->ff_errno));
- jcr->Errors++;
+ jcr->JobErrors++;
return 1;
}
case FT_NOSTAT: {
berrno be;
- Jmsg(jcr, M_NOTSAVED, 0, _(" Could not stat %s: ERR=%s\n"), ff_pkt->fname,
+ Jmsg(jcr, M_NOTSAVED, 0, _(" Could not stat \"%s\": ERR=%s\n"), ff_pkt->fname,
be.bstrerror(ff_pkt->ff_errno));
- jcr->Errors++;
+ jcr->JobErrors++;
return 1;
}
case FT_DIRNOCHG:
return 1;
case FT_NOOPEN: {
berrno be;
- Jmsg(jcr, M_NOTSAVED, 0, _(" Could not open directory %s: ERR=%s\n"),
+ Jmsg(jcr, M_NOTSAVED, 0, _(" Could not open directory \"%s\": ERR=%s\n"),
ff_pkt->fname, be.bstrerror(ff_pkt->ff_errno));
- jcr->Errors++;
+ jcr->JobErrors++;
return 1;
}
default:
Jmsg(jcr, M_NOTSAVED, 0, _(" Unknown file type %d; not saved: %s\n"),
ff_pkt->type, ff_pkt->fname);
- jcr->Errors++;
+ jcr->JobErrors++;
return 1;
}
if (signing_digest == NULL) {
Jmsg(jcr, M_NOTSAVED, 0, _("%s signature digest initialization failed\n"),
stream_to_ascii(signing_algorithm));
- jcr->Errors++;
+ jcr->JobErrors++;
goto good_rtn;
}
}
if (ff_pkt->flags & FO_PORTABLE) {
set_portable_backup(&ff_pkt->bfd); /* disable Win32 BackupRead() */
}
- if (ff_pkt->reader) {
- if (!set_prog(&ff_pkt->bfd, ff_pkt->reader, jcr)) {
- Jmsg(jcr, M_FATAL, 0, _("Python reader program \"%s\" not found.\n"),
- ff_pkt->reader);
+ if (ff_pkt->cmd_plugin) {
+ if (!set_cmd_plugin(&ff_pkt->bfd, jcr)) {
goto bail_out;
}
+ send_plugin_name(jcr, sd, true); /* signal start of plugin data */
}
/* Send attributes -- must be done after binit() */
#ifdef HAVE_WIN32
do_read = !is_portable_backup(&ff_pkt->bfd) || ff_pkt->statp.st_size > 0;
#else
- do_read = ff_pkt->statp.st_size > 0;
+ do_read = ff_pkt->statp.st_size > 0;
#endif
} else if (ff_pkt->type == FT_RAW || ff_pkt->type == FT_FIFO ||
ff_pkt->type == FT_REPARSE ||
(!is_portable_backup(&ff_pkt->bfd) && ff_pkt->type == FT_DIREND)) {
do_read = true;
}
+ if (ff_pkt->cmd_plugin) {
+ do_read = true;
+ }
+ Dmsg1(400, "do_read=%d\n", do_read);
if (do_read) {
btimer_t *tid;
+
if (ff_pkt->type == FT_FIFO) {
tid = start_thread_timer(jcr, pthread_self(), 60);
} else {
if (bopen(&ff_pkt->bfd, ff_pkt->fname, O_RDONLY | O_BINARY | noatime, 0) < 0) {
ff_pkt->ff_errno = errno;
berrno be;
- Jmsg(jcr, M_NOTSAVED, 0, _(" Cannot open %s: ERR=%s.\n"), ff_pkt->fname,
+ Jmsg(jcr, M_NOTSAVED, 0, _(" Cannot open \"%s\": ERR=%s.\n"), ff_pkt->fname,
be.bstrerror());
- jcr->Errors++;
+ jcr->JobErrors++;
if (tid) {
stop_thread_timer(tid);
tid = NULL;
if (!bopen_rsrc(&ff_pkt->bfd, ff_pkt->fname, O_RDONLY | O_BINARY, 0) < 0) {
ff_pkt->ff_errno = errno;
berrno be;
- Jmsg(jcr, M_NOTSAVED, -1, _(" Cannot open resource fork for %s: ERR=%s.\n"),
+ Jmsg(jcr, M_NOTSAVED, -1, _(" Cannot open resource fork for \"%s\": ERR=%s.\n"),
ff_pkt->fname, be.bstrerror());
- jcr->Errors++;
+ jcr->JobErrors++;
if (is_bopen(&ff_pkt->bfd)) {
bclose(&ff_pkt->bfd);
}
Dmsg1(300, "Saving Finder Info for \"%s\"\n", ff_pkt->fname);
sd->fsend("%ld %d 0", jcr->JobFiles, STREAM_HFSPLUS_ATTRIBUTES);
Dmsg1(300, "bfiled>stored:header %s\n", sd->msg);
- memcpy(sd->msg, ff_pkt->hfsinfo.fndrinfo, 32);
+ pm_memcpy(sd->msg, ff_pkt->hfsinfo.fndrinfo, 32);
sd->msglen = 32;
if (digest) {
crypto_digest_update(digest, (uint8_t *)sd->msg, sd->msglen);
}
#endif
- if (ff_pkt->flags & FO_ACL) {
- /* Read access ACLs for files, dirs and links */
- if (!read_and_send_acl(jcr, BACL_TYPE_ACCESS, STREAM_UNIX_ATTRIBUTES_ACCESS_ACL)) {
+ /*
+ * Save ACLs for anything not being a symlink.
+ */
+ if (ff_pkt->flags & FO_ACL && ff_pkt->type != FT_LNK) {
+ if (!build_acl_streams(jcr, ff_pkt))
+ goto bail_out;
+ }
+
+ /*
+ * Save Extended Attributes for all files.
+ */
+ if (ff_pkt->flags & FO_XATTR) {
+ if (!build_xattr_streams(jcr, ff_pkt))
goto bail_out;
- }
- /* Directories can have default ACLs too */
- if (ff_pkt->type == FT_DIREND && (BACL_CAP & BACL_CAP_DEFAULTS_DIR)) {
- if (!read_and_send_acl(jcr, BACL_TYPE_DEFAULT, STREAM_UNIX_ATTRIBUTES_DEFAULT_ACL)) {
- goto bail_out;
- }
- }
}
/* Terminate the signing digest and send it to the Storage daemon */
}
/* Send our header */
- sd->fsend("%ld %d 0", jcr->JobFiles, STREAM_SIGNED_DIGEST);
+ sd->fsend("%ld %ld 0", jcr->JobFiles, STREAM_SIGNED_DIGEST);
Dmsg1(300, "bfiled>stored:header %s\n", sd->msg);
/* Encode signature data */
sd->send();
sd->signal(BNET_EOD); /* end of checksum */
}
+ if (ff_pkt->cmd_plugin) {
+ send_plugin_name(jcr, sd, false); /* signal end of plugin data */
+ }
good_rtn:
rtnstat = 1; /* good return */
* Currently this is not a problem as the only other stream, resource forks,
* are not handled as sparse files.
*/
-int send_data(JCR *jcr, int stream, FF_PKT *ff_pkt, DIGEST *digest,
- DIGEST *signing_digest)
+static int send_data(JCR *jcr, int stream, FF_PKT *ff_pkt, DIGEST *digest,
+ DIGEST *signing_digest)
{
BSOCK *sd = jcr->store_bsock;
uint64_t fileAddr = 0; /* file address */
/* Check for sparse blocks */
if (ff_pkt->flags & FO_SPARSE) {
ser_declare;
- bool haveBlock = true;
- if (sd->msglen == rsize &&
- fileAddr+sd->msglen < (uint64_t)ff_pkt->statp.st_size ||
+ bool allZeros = false;
+ if ((sd->msglen == rsize &&
+ fileAddr+sd->msglen < (uint64_t)ff_pkt->statp.st_size) ||
((ff_pkt->type == FT_RAW || ff_pkt->type == FT_FIFO) &&
(uint64_t)ff_pkt->statp.st_size == 0)) {
- haveBlock = !is_buf_zero(rbuf, rsize);
+ allZeros = is_buf_zero(rbuf, rsize);
}
- if (haveBlock) {
+ if (!allZeros) {
+ /* Put file address as first data in buffer */
ser_begin(wbuf, SPARSE_FADDR_SIZE);
ser_uint64(fileAddr); /* store fileAddr in begin of buffer */
}
fileAddr += sd->msglen; /* update file address */
- if (!haveBlock) {
+ /* Skip block of all zeros */
+ if (allZeros) {
continue; /* skip block of zeros */
}
}
berrno be;
Jmsg(jcr, M_ERROR, 0, _("Read error on file %s. ERR=%s\n"),
ff_pkt->fname, be.bstrerror(ff_pkt->bfd.berrno));
- if (jcr->Errors++ > 1000) { /* insanity check */
+ if (jcr->JobErrors++ > 1000) { /* insanity check */
Jmsg(jcr, M_FATAL, 0, _("Too many errors.\n"));
}
} else if (ff_pkt->flags & FO_ENCRYPT) {
return 0;
}
-/*
- * Read and send an ACL for the last encountered file.
- */
-static bool read_and_send_acl(JCR *jcr, int acltype, int stream)
-{
-#ifdef HAVE_ACL
- BSOCK *sd = jcr->store_bsock;
- POOLMEM *msgsave;
- int len;
-#ifdef FD_NO_SEND_TEST
- return true;
-#endif
-
- len = bacl_get(jcr, acltype);
- if (len < 0) {
- Jmsg1(jcr, M_WARNING, 0, _("Error reading ACL of %s\n"), jcr->last_fname);
- return true;
- }
- if (len == 0) {
- return true; /* no ACL */
- }
-
- /* Send header */
- if (!sd->fsend("%ld %d 0", jcr->JobFiles, stream)) {
- Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
- sd->bstrerror());
- return false;
- }
-
- /* Send the buffer to the storage deamon */
- Dmsg2(400, "Backing up ACL type 0x%2x <%s>\n", acltype, jcr->acl_text);
- msgsave = sd->msg;
- sd->msg = jcr->acl_text;
- sd->msglen = len + 1;
- if (!sd->send()) {
- sd->msg = msgsave;
- sd->msglen = 0;
- Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
- sd->bstrerror());
- return false;
- }
-
- jcr->JobBytes += sd->msglen;
- sd->msg = msgsave;
- if (!sd->signal(BNET_EOD)) {
- Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
- sd->bstrerror());
- return false;
- }
-
- Dmsg1(200, "ACL of file: %s successfully backed up!\n", jcr->last_fname);
-#endif
- return true;
-}
-
-static bool encode_and_send_attributes(JCR *jcr, FF_PKT *ff_pkt, int &data_stream)
+bool encode_and_send_attributes(JCR *jcr, FF_PKT *ff_pkt, int &data_stream)
{
BSOCK *sd = jcr->store_bsock;
char attribs[MAXSTRING];
Jmsg0(jcr, M_FATAL, 0, _("Invalid file flags, no supported data stream type.\n"));
return false;
}
- encode_stat(attribs, ff_pkt, data_stream);
+ encode_stat(attribs, &ff_pkt->statp, ff_pkt->LinkFI, data_stream);
/* Now possibly extend the attributes */
attr_stream = encode_attribsEx(jcr, attribsEx, ff_pkt);
* For a directory, link is the same as fname, but with trailing
* slash. For a linked file, link is the link.
*/
- strip_path(ff_pkt);
+ if (ff_pkt->type != FT_DELETED) { /* already stripped */
+ strip_path(ff_pkt);
+ }
if (ff_pkt->type == FT_LNK || ff_pkt->type == FT_LNKSAVED) {
Dmsg2(300, "Link %s to %s\n", ff_pkt->fname, ff_pkt->link);
stat = sd->fsend("%ld %d %s%c%s%c%s%c%s%c", jcr->JobFiles,
stat = sd->fsend("%ld %d %s%c%s%c%c%s%c", jcr->JobFiles,
ff_pkt->type, ff_pkt->fname, 0, attribs, 0, 0, attribsEx, 0);
}
- unstrip_path(ff_pkt);
+ if (ff_pkt->type != FT_DELETED) {
+ unstrip_path(ff_pkt);
+ }
Dmsg2(300, ">stored: attr len=%d: %s\n", sd->msglen, sd->msg);
if (!stat) {
/* Copy to first path separator -- Win32 might have c: ... */
while (*in && !IsPathSeparator(*in)) {
- *out++ = *in++;
+ out++; in++;
}
- *out++ = *in++;
+ out++; in++;
numsep++; /* one separator seen */
for (stripped=0; stripped<count && *in; stripped++) {
while (*in && !IsPathSeparator(*in)) {
}
/*
- * If requested strip leading components of the path
+ * If requested strip leading components of the path so that we can
+ * save file as if it came from a subdirectory. This is most useful
+ * for dealing with snapshots, by removing the snapshot directory, or
+ * in handling vendor migrations where files have been restored with
+ * a vendor product into a subdirectory.
*/
-static void strip_path(FF_PKT *ff_pkt)
+void strip_path(FF_PKT *ff_pkt)
{
if (!(ff_pkt->flags & FO_STRIPPATH) || ff_pkt->strip_path <= 0) {
Dmsg1(200, "No strip for %s\n", ff_pkt->fname);
ff_pkt->link_save = get_pool_memory(PM_FNAME);
}
pm_strcpy(ff_pkt->fname_save, ff_pkt->fname);
+ if (ff_pkt->type != FT_LNK && ff_pkt->fname != ff_pkt->link) {
+ pm_strcpy(ff_pkt->link_save, ff_pkt->link);
+ Dmsg2(500, "strcpy link_save=%d link=%d\n", strlen(ff_pkt->link_save),
+ strlen(ff_pkt->link));
+ sm_check(__FILE__, __LINE__, true);
+ }
/*
* Strip path. If it doesn't succeed put it back. If
* it does, and there is a different link string,
- * attempt to strip the link. If it fails, but them
+ * attempt to strip the link. If it fails, back them
* both back.
+ * Do not strip symlinks.
* I.e. if either stripping fails don't strip anything.
*/
- if (do_strip(ff_pkt->strip_path, ff_pkt->fname)) {
- if (ff_pkt->fname != ff_pkt->link) {
- pm_strcpy(ff_pkt->link_save, ff_pkt->link);
- if (!do_strip(ff_pkt->strip_path, ff_pkt->link)) {
- strcpy(ff_pkt->link, ff_pkt->link_save);
- strcpy(ff_pkt->fname, ff_pkt->fname_save);
- }
- }
- } else {
- strcpy(ff_pkt->fname, ff_pkt->fname_save);
+ if (!do_strip(ff_pkt->strip_path, ff_pkt->fname)) {
+ unstrip_path(ff_pkt);
+ goto rtn;
}
- Dmsg2(200, "fname=%s stripped=%s\n", ff_pkt->fname_save, ff_pkt->fname);
+ /* Strip links but not symlinks */
+ if (ff_pkt->type != FT_LNK && ff_pkt->fname != ff_pkt->link) {
+ if (!do_strip(ff_pkt->strip_path, ff_pkt->link)) {
+ unstrip_path(ff_pkt);
+ }
+ }
+
+rtn:
+ Dmsg3(100, "fname=%s stripped=%s link=%s\n", ff_pkt->fname_save, ff_pkt->fname,
+ ff_pkt->link);
}
-static void unstrip_path(FF_PKT *ff_pkt)
+void unstrip_path(FF_PKT *ff_pkt)
{
if (!(ff_pkt->flags & FO_STRIPPATH) || ff_pkt->strip_path <= 0) {
return;
}
strcpy(ff_pkt->fname, ff_pkt->fname_save);
- if (ff_pkt->fname != ff_pkt->link) {
+ if (ff_pkt->type != FT_LNK && ff_pkt->fname != ff_pkt->link) {
+ Dmsg2(500, "strcpy link=%s link_save=%s\n", ff_pkt->link,
+ ff_pkt->link_save);
strcpy(ff_pkt->link, ff_pkt->link_save);
+ Dmsg2(500, "strcpy link=%d link_save=%d\n", strlen(ff_pkt->link),
+ strlen(ff_pkt->link_save));
+ sm_check(__FILE__, __LINE__, true);
}
}