/*
Bacula® - The Network Backup Solution
- Copyright (C) 2000-2009 Free Software Foundation Europe e.V.
+ Copyright (C) 2000-2011 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.
This program is Free Software; you can redistribute it and/or
- modify it under the terms of version two of the GNU General Public
+ modify it under the terms of version three of the GNU Affero General Public
License as published by the Free Software Foundation and included
in the file LICENSE.
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
+ You should have received a copy of the GNU Affero 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.
hlink link;
char *fname;
char *lstat;
+ char *chksum;
+ int32_t delta_seq;
bool seen;
} CurFile;
FF_PKT *ff_pkt;
int stream = STREAM_UNIX_ATTRIBUTES;
- if (!jcr->accurate || jcr->get_JobLevel() != L_FULL) {
+ if (!jcr->accurate || jcr->getJobLevel() != L_FULL) {
return true;
}
if (elt->seen) {
Dmsg2(dbglvl, "base file fname=%s seen=%i\n", elt->fname, elt->seen);
/* TODO: skip the decode and use directly the lstat field */
- decode_stat(elt->lstat, &statc, &LinkFIc); /* decode catalog stat */
+ decode_stat(elt->lstat, &statc, sizeof(statc), &LinkFIc); /* decode catalog stat */
ff_pkt->fname = elt->fname;
ff_pkt->statp = statc;
encode_and_send_attributes(jcr, ff_pkt, stream);
}
Dmsg2(dbglvl, "deleted fname=%s seen=%i\n", elt->fname, elt->seen);
/* TODO: skip the decode and use directly the lstat field */
- decode_stat(elt->lstat, &statc, &LinkFIc); /* decode catalog stat */
+ decode_stat(elt->lstat, &statc, sizeof(statc), &LinkFIc); /* decode catalog stat */
ff_pkt->fname = elt->fname;
ff_pkt->statp.st_mtime = statc.st_mtime;
ff_pkt->statp.st_ctime = statc.st_ctime;
/* Send the deleted or the base file list and cleanup */
bool accurate_finish(JCR *jcr)
{
- bool ret=true;
+ bool ret = true;
+
+ if (jcr->is_canceled() || jcr->is_incomplete()) {
+ accurate_free(jcr);
+ return ret;
+ }
if (jcr->accurate) {
- if (jcr->get_JobLevel() == L_FULL) {
- ret = accurate_send_base_file_list(jcr);
+ if (jcr->is_JobLevel(L_FULL)) {
+ if (!jcr->rerunning) {
+ ret = accurate_send_base_file_list(jcr);
+ }
} else {
ret = accurate_send_deleted_list(jcr);
}
-
accurate_free(jcr);
- if (jcr->get_JobLevel() == L_FULL) {
- Dmsg1(0, "Space saved with Base jobs: %lld MB\n",
- jcr->base_size/(1024*1024));
+ if (jcr->is_JobLevel(L_FULL)) {
+ Jmsg(jcr, M_INFO, 0, _("Space saved with Base jobs: %lld MB\n"),
+ jcr->base_size/(1024*1024));
}
}
return ret;
}
-static bool accurate_add_file(JCR *jcr, char *fname, char *lstat)
+static bool accurate_add_file(JCR *jcr, uint32_t len,
+ char *fname, char *lstat, char *chksum,
+ int32_t delta)
{
bool ret = true;
- CurFile elt;
- elt.seen = 0;
-
CurFile *item;
- /* we store CurFile, fname and ctime/mtime in the same chunk */
- item = (CurFile *)jcr->file_list->hash_malloc(sizeof(CurFile)+strlen(fname)+strlen(lstat)+2);
- memcpy(item, &elt, sizeof(CurFile));
+
+ /* we store CurFile, fname and ctime/mtime in the same chunk
+ * we need one extra byte to handle an empty chksum
+ */
+ item = (CurFile *)jcr->file_list->hash_malloc(sizeof(CurFile)+len+1);
+ item->seen = 0;
+
+ /* TODO: see if we can optimize this part with memcpy instead of strcpy */
item->fname = (char *)item+sizeof(CurFile);
strcpy(item->fname, fname);
+
item->lstat = item->fname+strlen(item->fname)+1;
strcpy(item->lstat, lstat);
+
+ item->chksum = item->lstat+strlen(item->lstat)+1;
+ strcpy(item->chksum, chksum);
+
+ item->delta_seq = delta;
+
jcr->file_list->insert(item->fname, item);
- Dmsg2(dbglvl, "add fname=<%s> lstat=%s\n", fname, lstat);
+ Dmsg4(dbglvl, "add fname=<%s> lstat=%s delta_seq=%i chksum=%s\n",
+ fname, lstat, delta, chksum);
return ret;
}
*/
bool accurate_check_file(JCR *jcr, FF_PKT *ff_pkt)
{
+ int digest_stream = STREAM_NONE;
+ DIGEST *digest = NULL;
+
struct stat statc;
int32_t LinkFIc;
bool stat = false;
+ char *opts;
char *fname;
CurFile elt;
- if (!jcr->accurate) {
+ ff_pkt->delta_seq = 0;
+
+ if (!jcr->accurate && !jcr->rerunning) {
return true;
}
goto bail_out;
}
+ ff_pkt->delta_seq = elt.delta_seq;
+
if (elt.seen) { /* file has been seen ? */
Dmsg1(dbglvl, "accurate %s (already seen)\n", fname);
goto bail_out;
}
- decode_stat(elt.lstat, &statc, &LinkFIc); /* decode catalog stat */
+ decode_stat(elt.lstat, &statc, sizeof(statc), &LinkFIc); /* decode catalog stat */
+
+ if (!jcr->rerunning && (jcr->getJobLevel() == L_FULL)) {
+ opts = ff_pkt->BaseJobOpts;
+ } else {
+ opts = ff_pkt->AccurateOpts;
+ }
-//#if 0
/*
* Loop over options supplied by user and verify the
* fields he requests.
*/
- for (char *p=ff_pkt->AccurateOpts; *p; p++) {
+ for (char *p=opts; !stat && *p; p++) {
char ed1[30], ed2[30];
switch (*p) {
case 'i': /* compare INODEs */
}
break;
case 'p': /* permissions bits */
+ /* TODO: If something change only in perm, user, group
+ * Backup only the attribute stream
+ */
if (statc.st_mode != ff_pkt->statp.st_mode) {
Dmsg3(dbglvl-1, "%s st_mode differ. Cat: %x File: %x\n",
fname,
stat = true;
}
break;
- case 'm':
+ case 'm': /* modification time */
if (statc.st_mtime != ff_pkt->statp.st_mtime) {
Dmsg1(dbglvl-1, "%s st_mtime differs\n", fname);
stat = true;
break;
case 'c': /* ctime */
if (statc.st_ctime != ff_pkt->statp.st_ctime) {
- Dmsg1(dbglvl-1, " st_ctime differs\n", fname);
+ Dmsg1(dbglvl-1, "%s st_ctime differs\n", fname);
stat = true;
}
break;
stat = true;
}
break;
- case '5': /* compare MD5 */
+ case 'A': /* Always backup a file */
+ stat = true;
break;
- case '1': /* compare SHA1 */
+ /* TODO: cleanup and factorise this function with verify.c */
+ case '5': /* compare MD5 */
+ case '1': /* compare SHA1 */
+ /*
+ * The remainder of the function is all about getting the checksum.
+ * First we initialise, then we read files, other streams and Finder Info.
+ */
+ if (!stat && ff_pkt->type != FT_LNKSAVED &&
+ (S_ISREG(ff_pkt->statp.st_mode) &&
+ ff_pkt->flags & (FO_MD5|FO_SHA1|FO_SHA256|FO_SHA512)))
+ {
+
+ if (!*elt.chksum && !jcr->rerunning) {
+ Jmsg(jcr, M_WARNING, 0, _("Cannot verify checksum for %s\n"),
+ ff_pkt->fname);
+ stat = true;
+ break;
+ }
+
+ /*
+ * 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;
+
+ } else if (ff_pkt->flags & FO_SHA256) {
+ digest = crypto_digest_new(jcr, CRYPTO_DIGEST_SHA256);
+ digest_stream = STREAM_SHA256_DIGEST;
+
+ } else if (ff_pkt->flags & FO_SHA512) {
+ digest = crypto_digest_new(jcr, CRYPTO_DIGEST_SHA512);
+ digest_stream = STREAM_SHA512_DIGEST;
+ }
+
+ /* 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));
+ }
+
+ /* 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->JobErrors++;
+
+ } else 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);
+
+ if (strcmp(digest_buf, elt.chksum)) {
+ Dmsg4(dbglvl,"%s %s chksum diff. Cat: %s File: %s\n",
+ fname,
+ digest_name,
+ elt.chksum,
+ digest_buf);
+ stat = true;
+ }
+
+ free(digest_buf);
+ }
+ crypto_digest_free(digest);
+ }
+ }
+
break;
case ':':
+ case 'J':
case 'C':
default:
break;
- }
- }
-//#endif
-#if 0
- /*
- * We check only mtime/ctime like with the normal
- * incremental/differential mode
- */
- if (statc.st_mtime != ff_pkt->statp.st_mtime) {
-// Jmsg(jcr, M_SAVED, 0, _("%s st_mtime differs\n"), fname);
- Dmsg3(dbglvl, "%s st_mtime differs (%lld!=%lld)\n",
- fname, statc.st_mtime, (utime_t)ff_pkt->statp.st_mtime);
- stat = true;
- } else if (!(ff_pkt->flags & FO_MTIMEONLY)
- && (statc.st_ctime != ff_pkt->statp.st_ctime)) {
-// Jmsg(jcr, M_SAVED, 0, _("%s st_ctime differs\n"), fname);
- Dmsg1(dbglvl, "%s st_ctime differs\n", fname);
- stat = true;
-
- } else if (statc.st_size != ff_pkt->statp.st_size) {
-// Jmsg(jcr, M_SAVED, 0, _("%s st_size differs\n"), fname);
- Dmsg1(dbglvl, "%s st_size differs\n", fname);
- stat = true;
+ }
}
-#endif
/* In Incr/Diff accurate mode, we mark all files as seen
* When in Full+Base mode, we mark only if the file match exactly
*/
- if (jcr->get_JobLevel() == L_FULL) {
+ if (jcr->getJobLevel() == L_FULL) {
if (!stat) {
/* compute space saved with basefile */
jcr->base_size += ff_pkt->statp.st_size;
int accurate_cmd(JCR *jcr)
{
BSOCK *dir = jcr->dir_bsock;
- int len;
+ int lstat_pos, chksum_pos;
int32_t nb;
+ uint16_t delta_seq;
if (job_canceled(jcr)) {
return true;
/*
* buffer = sizeof(CurFile) + dirmsg
- * dirmsg = fname + \0 + lstat
+ * dirmsg = fname + \0 + lstat + \0 + checksum + \0 + delta_seq + \0
*/
/* get current files */
while (dir->recv() >= 0) {
- len = strlen(dir->msg) + 1;
- if (len < dir->msglen) {
- accurate_add_file(jcr, dir->msg, dir->msg + len);
+ lstat_pos = strlen(dir->msg) + 1;
+ if (lstat_pos < dir->msglen) {
+ chksum_pos = lstat_pos + strlen(dir->msg + lstat_pos) + 1;
+
+ if (chksum_pos >= dir->msglen) {
+ chksum_pos = lstat_pos - 1; /* tweak: no checksum, point to the last \0 */
+ delta_seq = 0;
+ } else {
+ delta_seq = str_to_int32(dir->msg +
+ chksum_pos +
+ strlen(dir->msg + chksum_pos) + 1);
+ }
+
+ accurate_add_file(jcr, dir->msglen,
+ dir->msg, /* Path */
+ dir->msg + lstat_pos, /* LStat */
+ dir->msg + chksum_pos, /* CheckSum */
+ delta_seq); /* Delta Sequence */
}
}
projects / bacula / bacula / blobdiff