/*
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.
#include "bacula.h"
#include "filed.h"
-static int dbglvl=200;
+static int dbglvl=100;
typedef struct PrivateCurFile {
hlink link;
char *fname;
- utime_t ctime; /* can be replaced by struct stat */
- utime_t mtime;
+ char *lstat;
+ char *chksum;
+ int32_t delta_seq;
bool seen;
} CurFile;
static bool accurate_send_base_file_list(JCR *jcr)
{
CurFile *elt;
+ struct stat statc;
+ int32_t LinkFIc;
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;
}
ff_pkt->type = FT_BASE;
foreach_htable(elt, jcr->file_list) {
- if (!elt->seen || !plugin_check_file(jcr, elt->fname)) {
- continue;
+ 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, sizeof(statc), &LinkFIc); /* decode catalog stat */
+ ff_pkt->fname = elt->fname;
+ ff_pkt->statp = statc;
+ encode_and_send_attributes(jcr, ff_pkt, stream);
+// free(elt->fname);
}
- Dmsg2(dbglvl, "base file fname=%s seen=%i\n", elt->fname, elt->seen);
- ff_pkt->fname = elt->fname;
- ff_pkt->statp.st_mtime = elt->mtime;
- ff_pkt->statp.st_ctime = elt->ctime;
- encode_and_send_attributes(jcr, ff_pkt, stream);
-// free(elt->fname);
}
term_find_files(ff_pkt);
static bool accurate_send_deleted_list(JCR *jcr)
{
CurFile *elt;
+ struct stat statc;
+ int32_t LinkFIc;
FF_PKT *ff_pkt;
int stream = STREAM_UNIX_ATTRIBUTES;
continue;
}
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, sizeof(statc), &LinkFIc); /* decode catalog stat */
ff_pkt->fname = elt->fname;
- ff_pkt->statp.st_mtime = elt->mtime;
- ff_pkt->statp.st_ctime = elt->ctime;
+ ff_pkt->statp.st_mtime = statc.st_mtime;
+ ff_pkt->statp.st_ctime = statc.st_ctime;
encode_and_send_attributes(jcr, ff_pkt, stream);
// free(elt->fname);
}
return true;
}
-static void accurate_free(JCR *jcr)
+void accurate_free(JCR *jcr)
{
if (jcr->file_list) {
jcr->file_list->destroy();
/* 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->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;
- struct stat statp;
- int32_t LinkFIc;
- decode_stat(lstat, &statp, &LinkFIc); /* decode catalog stat */
- elt.ctime = statp.st_ctime;
- elt.mtime = statp.st_mtime;
- 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)+1);
- 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+3);
+ 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;
+ ff_pkt->accurate_found = false;
+
+ if (!jcr->accurate && !jcr->rerunning) {
return true;
}
goto bail_out;
}
- if (elt.seen) { /* file has been seen ? */
- Dmsg1(dbglvl, "accurate %s (already seen)\n", fname);
- goto bail_out;
+ ff_pkt->accurate_found = true;
+ ff_pkt->delta_seq = elt.delta_seq;
+
+ 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 (p=Opts_Digest; *p; p++) {
+ for (char *p=opts; !stat && *p; p++) {
char ed1[30], ed2[30];
switch (*p) {
case 'i': /* compare INODEs */
- if (statc.st_ino != statf.st_ino) {
- prt_fname(jcr);
- Jmsg(jcr, M_INFO, 0, _(" st_ino differ. Cat: %s File: %s\n"),
- edit_uint64((uint64_t)statc.st_ino, ed1),
- edit_uint64((uint64_t)statf.st_ino, ed2));
- set_jcr_job_status(jcr, JS_Differences);
+ if (statc.st_ino != ff_pkt->statp.st_ino) {
+ Dmsg3(dbglvl-1, "%s st_ino differ. Cat: %s File: %s\n",
+ fname,
+ edit_uint64((uint64_t)statc.st_ino, ed1),
+ edit_uint64((uint64_t)ff_pkt->statp.st_ino, ed2));
+ stat = true;
}
break;
case 'p': /* permissions bits */
- if (statc.st_mode != statf.st_mode) {
- prt_fname(jcr);
- Jmsg(jcr, M_INFO, 0, _(" st_mode differ. Cat: %x File: %x\n"),
- (uint32_t)statc.st_mode, (uint32_t)statf.st_mode);
- set_jcr_job_status(jcr, JS_Differences);
+ /* 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,
+ (uint32_t)statc.st_mode, (uint32_t)ff_pkt->statp.st_mode);
+ stat = true;
}
break;
case 'n': /* number of links */
- if (statc.st_nlink != statf.st_nlink) {
- prt_fname(jcr);
- Jmsg(jcr, M_INFO, 0, _(" st_nlink differ. Cat: %d File: %d\n"),
- (uint32_t)statc.st_nlink, (uint32_t)statf.st_nlink);
- set_jcr_job_status(jcr, JS_Differences);
+ if (statc.st_nlink != ff_pkt->statp.st_nlink) {
+ Dmsg3(dbglvl-1, "%s st_nlink differ. Cat: %d File: %d\n",
+ fname,
+ (uint32_t)statc.st_nlink, (uint32_t)ff_pkt->statp.st_nlink);
+ stat = true;
}
break;
case 'u': /* user id */
- if (statc.st_uid != statf.st_uid) {
- prt_fname(jcr);
- Jmsg(jcr, M_INFO, 0, _(" st_uid differ. Cat: %u File: %u\n"),
- (uint32_t)statc.st_uid, (uint32_t)statf.st_uid);
- set_jcr_job_status(jcr, JS_Differences);
+ if (statc.st_uid != ff_pkt->statp.st_uid) {
+ Dmsg3(dbglvl-1, "%s st_uid differ. Cat: %u File: %u\n",
+ fname,
+ (uint32_t)statc.st_uid, (uint32_t)ff_pkt->statp.st_uid);
+ stat = true;
}
break;
case 'g': /* group id */
- if (statc.st_gid != statf.st_gid) {
- prt_fname(jcr);
- Jmsg(jcr, M_INFO, 0, _(" st_gid differ. Cat: %u File: %u\n"),
- (uint32_t)statc.st_gid, (uint32_t)statf.st_gid);
- set_jcr_job_status(jcr, JS_Differences);
+ if (statc.st_gid != ff_pkt->statp.st_gid) {
+ Dmsg3(dbglvl-1, "%s st_gid differ. Cat: %u File: %u\n",
+ fname,
+ (uint32_t)statc.st_gid, (uint32_t)ff_pkt->statp.st_gid);
+ stat = true;
}
break;
case 's': /* size */
- if (statc.st_size != statf.st_size) {
- prt_fname(jcr);
- Jmsg(jcr, M_INFO, 0, _(" st_size differ. Cat: %s File: %s\n"),
- edit_uint64((uint64_t)statc.st_size, ed1),
- edit_uint64((uint64_t)statf.st_size, ed2));
- set_jcr_job_status(jcr, JS_Differences);
+ if (statc.st_size != ff_pkt->statp.st_size) {
+ Dmsg3(dbglvl-1, "%s st_size differ. Cat: %s File: %s\n",
+ fname,
+ edit_uint64((uint64_t)statc.st_size, ed1),
+ edit_uint64((uint64_t)ff_pkt->statp.st_size, ed2));
+ stat = true;
}
break;
case 'a': /* access time */
- if (statc.st_atime != statf.st_atime) {
- prt_fname(jcr);
- Jmsg(jcr, M_INFO, 0, _(" st_atime differs\n"));
- set_jcr_job_status(jcr, JS_Differences);
+ if (statc.st_atime != ff_pkt->statp.st_atime) {
+ Dmsg1(dbglvl-1, "%s st_atime differs\n", fname);
+ stat = true;
}
break;
- case 'm':
- if (statc.st_mtime != statf.st_mtime) {
- prt_fname(jcr);
- Jmsg(jcr, M_INFO, 0, _(" st_mtime differs\n"));
- set_jcr_job_status(jcr, JS_Differences);
+ 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 != statf.st_ctime) {
- prt_fname(jcr);
- Jmsg(jcr, M_INFO, 0, _(" st_ctime differs\n"));
- set_jcr_job_status(jcr, JS_Differences);
+ if (statc.st_ctime != ff_pkt->statp.st_ctime) {
+ Dmsg1(dbglvl-1, "%s st_ctime differs\n", fname);
+ stat = true;
}
break;
case 'd': /* file size decrease */
- if (statc.st_size > statf.st_size) {
- prt_fname(jcr);
- Jmsg(jcr, M_INFO, 0, _(" st_size decrease. Cat: %s File: %s\n"),
- edit_uint64((uint64_t)statc.st_size, ed1),
- edit_uint64((uint64_t)statf.st_size, ed2));
- set_jcr_job_status(jcr, JS_Differences);
+ if (statc.st_size > ff_pkt->statp.st_size) {
+ Dmsg3(dbglvl-1, "%s st_size decrease. Cat: %s File: %s\n",
+ fname,
+ edit_uint64((uint64_t)statc.st_size, ed1),
+ edit_uint64((uint64_t)ff_pkt->statp.st_size, ed2));
+ stat = true;
}
break;
- case '5': /* compare MD5 */
- Dmsg1(500, "set Do_MD5 for %s\n", jcr->fname);
- do_Digest = CRYPTO_DIGEST_MD5;
+ case 'A': /* Always backup a file */
+ stat = true;
break;
- case '1': /* compare SHA1 */
- do_Digest = CRYPTO_DIGEST_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 'V':
+ case 'J':
+ case 'C':
default:
break;
- }
+ }
}
-#endif
- /*
- * We check only mtime/ctime like with the normal
- * incremental/differential mode
+
+ /* 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 (elt.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, elt.mtime, (utime_t)ff_pkt->statp.st_mtime);
- stat = true;
- } else if (!(ff_pkt->flags & FO_MTIMEONLY)
- && (elt.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;
+ if (jcr->getJobLevel() == L_FULL) {
+ if (!stat) {
+ /* compute space saved with basefile */
+ jcr->base_size += ff_pkt->statp.st_size;
+ accurate_mark_file_as_seen(jcr, &elt);
+ }
+ } else {
+ accurate_mark_file_as_seen(jcr, &elt);
}
- accurate_mark_file_as_seen(jcr, &elt);
-// Dmsg2(dbglvl, "accurate %s = %d\n", fname, stat);
-
bail_out:
unstrip_path(ff_pkt);
return stat;
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 */
}
}