2 * Bacula File Daemon backup.c send file attributes and data
3 * to the Storage daemon.
5 * Kern Sibbald, March MM
11 Copyright (C) 2000-2006 Kern Sibbald
13 This program is free software; you can redistribute it and/or
14 modify it under the terms of the GNU General Public License
15 version 2 as amended with additional clauses defined in the
16 file LICENSE in the main source directory.
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 the file LICENSE for additional details.
28 /* Forward referenced functions */
29 static int save_file(FF_PKT *ff_pkt, void *pkt, bool top_level);
30 static int send_data(JCR *jcr, int stream, FF_PKT *ff_pkt, DIGEST *digest, DIGEST *signature_digest);
31 static bool encode_and_send_attributes(JCR *jcr, FF_PKT *ff_pkt, int &data_stream);
32 static bool read_and_send_acl(JCR *jcr, int acltype, int stream);
35 * Find all the requested files and send them
36 * to the Storage daemon.
38 * Note, we normally carry on a one-way
39 * conversation from this point on with the SD, simply blasting
40 * data to him. To properly know what is going on, we
41 * also run a "heartbeat" monitor which reads the socket and
42 * reacts accordingly (at the moment it has nothing to do
43 * except echo the heartbeat to the Director).
46 bool blast_data_to_storage_daemon(JCR *jcr, char *addr)
50 // TODO landonf: Allow user to specify encryption algorithm
51 crypto_cipher_t cipher = CRYPTO_CIPHER_AES_128_CBC;
53 sd = jcr->store_bsock;
55 set_jcr_job_status(jcr, JS_Running);
57 Dmsg1(300, "bfiled: opened data connection %d to stored\n", sd->fd);
60 CLIENT *client = (CLIENT *)GetNextRes(R_CLIENT, NULL);
64 buf_size = client->max_network_buffer_size;
66 buf_size = 0; /* use default */
68 if (!bnet_set_buffer_size(sd, buf_size, BNET_SETBUF_WRITE)) {
69 set_jcr_job_status(jcr, JS_ErrorTerminated);
70 Jmsg(jcr, M_FATAL, 0, _("Cannot set buffer size FD->SD.\n"));
74 jcr->buf_size = sd->msglen;
75 /* Adjust for compression so that output buffer is
76 * 12 bytes + 0.1% larger than input buffer plus 18 bytes.
77 * This gives a bit extra plus room for the sparse addr if any.
78 * Note, we adjust the read size to be smaller so that the
79 * same output buffer can be used without growing it.
81 * The zlib compression workset is initialized here to minimise
82 * the "per file" load. The jcr member is only set, if the init was successful.
84 jcr->compress_buf_size = jcr->buf_size + ((jcr->buf_size+999) / 1000) + 30;
85 jcr->compress_buf = get_memory(jcr->compress_buf_size);
88 z_stream *pZlibStream = (z_stream*) malloc(sizeof(z_stream));
90 pZlibStream->zalloc = Z_NULL;
91 pZlibStream->zfree = Z_NULL;
92 pZlibStream->opaque = Z_NULL;
93 pZlibStream->state = Z_NULL;
95 if (deflateInit(pZlibStream, Z_DEFAULT_COMPRESSION) == Z_OK)
96 jcr->pZLIB_compress_workset = pZlibStream;
102 /* Create encryption session data and a cached, DER-encoded session data
103 * structure. We use a single session key for each backup, so we'll encode
104 * the session data only once. */
105 if (jcr->pki_encrypt) {
108 /* Create per-job session encryption context */
109 jcr->pki_session = crypto_session_new(cipher, jcr->pki_recipients);
111 /* Get the session data size */
112 if (crypto_session_encode(jcr->pki_session, NULL, &size) == false) {
113 Jmsg(jcr, M_FATAL, 0, _("An error occured while encrypting the stream.\n"));
117 /* Allocate buffer */
118 jcr->pki_session_encoded = malloc(size);
119 if (!jcr->pki_session_encoded) {
123 /* Encode session data */
124 if (crypto_session_encode(jcr->pki_session, jcr->pki_session_encoded, &size) == false) {
125 Jmsg(jcr, M_FATAL, 0, _("An error occured while encrypting the stream.\n"));
129 /* ... and store the encoded size */
130 jcr->pki_session_encoded_size = size;
132 /* Allocate the encryption/decryption buffer */
133 jcr->crypto_buf = get_memory(CRYPTO_CIPHER_MAX_BLOCK_SIZE);
136 Dmsg1(300, "set_find_options ff=%p\n", jcr->ff);
137 set_find_options((FF_PKT *)jcr->ff, jcr->incremental, jcr->mtime);
138 Dmsg0(300, "start find files\n");
140 start_heartbeat_monitor(jcr);
142 jcr->acl_text = get_pool_memory(PM_MESSAGE);
144 /* Subroutine save_file() is called for each file */
145 if (!find_files(jcr, (FF_PKT *)jcr->ff, save_file, (void *)jcr)) {
146 ok = false; /* error */
147 set_jcr_job_status(jcr, JS_ErrorTerminated);
148 // Jmsg(jcr, M_FATAL, 0, _("Find files error.\n"));
151 free_pool_memory(jcr->acl_text);
153 stop_heartbeat_monitor(jcr);
155 bnet_sig(sd, BNET_EOD); /* end of sending data */
161 if (jcr->compress_buf) {
162 free_pool_memory(jcr->compress_buf);
163 jcr->compress_buf = NULL;
165 if (jcr->pZLIB_compress_workset) {
166 /* Free the zlib stream */
168 deflateEnd((z_stream *) jcr->pZLIB_compress_workset);
170 free (jcr->pZLIB_compress_workset);
171 jcr->pZLIB_compress_workset = NULL;
173 if (jcr->crypto_buf) {
174 free_pool_memory(jcr->crypto_buf);
175 jcr->crypto_buf = NULL;
177 if (jcr->pki_session) {
178 crypto_session_free(jcr->pki_session);
180 if (jcr->pki_session_encoded) {
181 free(jcr->pki_session_encoded);
184 Dmsg1(100, "end blast_data ok=%d\n", ok);
189 * Called here by find() for each file included.
190 * This is a callback. The original is find_files() above.
192 * Send the file and its data to the Storage daemon.
196 * -1 to ignore file/directory (not used here)
198 static int save_file(FF_PKT *ff_pkt, void *vjcr, bool top_level)
200 int stat, data_stream;
201 DIGEST *digest = NULL;
202 DIGEST *signing_digest = NULL;
203 int digest_stream = STREAM_NONE;
204 // TODO landonf: Allow the user to specify the digest algorithm
206 crypto_digest_t signing_algorithm = CRYPTO_DIGEST_SHA256;
208 crypto_digest_t signing_algorithm = CRYPTO_DIGEST_SHA1;
210 JCR *jcr = (JCR *)vjcr;
211 BSOCK *sd = jcr->store_bsock;
213 if (job_canceled(jcr)) {
217 jcr->num_files_examined++; /* bump total file count */
219 switch (ff_pkt->type) {
220 case FT_LNKSAVED: /* Hard linked, file already saved */
221 Dmsg2(130, "FT_LNKSAVED hard link: %s => %s\n", ff_pkt->fname, ff_pkt->link);
224 Dmsg1(130, "FT_REGE saving: %s\n", ff_pkt->fname);
227 Dmsg1(130, "FT_REG saving: %s\n", ff_pkt->fname);
230 Dmsg2(130, "FT_LNK saving: %s -> %s\n", ff_pkt->fname, ff_pkt->link);
233 jcr->num_files_examined--; /* correct file count */
234 return 1; /* not used */
236 Jmsg(jcr, M_INFO, 1, _(" Recursion turned off. Will not descend into %s\n"),
238 ff_pkt->type = FT_DIREND; /* Backup only the directory entry */
241 /* Suppress message for /dev filesystems */
242 if (strncmp(ff_pkt->fname, "/dev/", 5) != 0) {
243 Jmsg(jcr, M_INFO, 1, _(" Filesystem change prohibited. Will not descend into %s\n"),
246 ff_pkt->type = FT_DIREND; /* Backup only the directory entry */
249 Jmsg(jcr, M_INFO, 1, _(" Disallowed filesystem. Will not descend into %s\n"),
251 ff_pkt->type = FT_DIREND; /* Backup only the directory entry */
254 Dmsg1(130, "FT_DIREND: %s\n", ff_pkt->link);
257 Dmsg1(130, "FT_SPEC saving: %s\n", ff_pkt->fname);
260 Dmsg1(130, "FT_RAW saving: %s\n", ff_pkt->fname);
263 Dmsg1(130, "FT_FIFO saving: %s\n", ff_pkt->fname);
267 Jmsg(jcr, M_NOTSAVED, 0, _(" Could not access %s: ERR=%s\n"), ff_pkt->fname,
268 be.strerror(ff_pkt->ff_errno));
274 Jmsg(jcr, M_NOTSAVED, 0, _(" Could not follow link %s: ERR=%s\n"), ff_pkt->fname,
275 be.strerror(ff_pkt->ff_errno));
281 Jmsg(jcr, M_NOTSAVED, 0, _(" Could not stat %s: ERR=%s\n"), ff_pkt->fname,
282 be.strerror(ff_pkt->ff_errno));
288 Jmsg(jcr, M_SKIPPED, 1, _(" Unchanged file skipped: %s\n"), ff_pkt->fname);
291 Jmsg(jcr, M_NOTSAVED, 0, _(" Archive file not saved: %s\n"), ff_pkt->fname);
295 Jmsg(jcr, M_NOTSAVED, 0, _(" Could not open directory %s: ERR=%s\n"), ff_pkt->fname,
296 be.strerror(ff_pkt->ff_errno));
301 Jmsg(jcr, M_NOTSAVED, 0, _(" Unknown file type %d; not saved: %s\n"), ff_pkt->type, ff_pkt->fname);
306 Dmsg1(130, "bfiled: sending %s to stored\n", ff_pkt->fname);
309 * Setup for digest handling. If this fails, the digest will be set to NULL
312 if (ff_pkt->flags & FO_MD5) {
313 digest = crypto_digest_new(CRYPTO_DIGEST_MD5);
314 digest_stream = STREAM_MD5_DIGEST;
316 } else if (ff_pkt->flags & FO_SHA1) {
317 digest = crypto_digest_new(CRYPTO_DIGEST_SHA1);
318 digest_stream = STREAM_SHA1_DIGEST;
320 } else if (ff_pkt->flags & FO_SHA256) {
321 digest = crypto_digest_new(CRYPTO_DIGEST_SHA256);
322 digest_stream = STREAM_SHA256_DIGEST;
324 } else if (ff_pkt->flags & FO_SHA512) {
325 digest = crypto_digest_new(CRYPTO_DIGEST_SHA512);
326 digest_stream = STREAM_SHA512_DIGEST;
329 /* Did digest initialization fail? */
330 if (digest_stream != STREAM_NONE && digest == NULL) {
331 Jmsg(jcr, M_WARNING, 0, _("%s digest initialization failed\n"),
332 stream_to_ascii(digest_stream));
336 * Set up signature digest handling. If this fails, the signature digest will be set to
339 // TODO landonf: We should really only calculate the digest once, for both verification and signing.
341 signing_digest = crypto_digest_new(signing_algorithm);
343 /* Full-stop if a failure occured initializing the signature digest */
344 if (jcr->pki_sign && signing_digest == NULL) {
345 Jmsg(jcr, M_NOTSAVED, 0, _("%s signature digest initialization failed\n"),
346 stream_to_ascii(signing_algorithm));
351 /* Enable encryption */
352 if (jcr->pki_encrypt) {
353 ff_pkt->flags |= FO_ENCRYPT;
356 /* Initialise the file descriptor we use for data and other streams. */
358 if (ff_pkt->flags & FO_PORTABLE) {
359 set_portable_backup(&ff_pkt->bfd); /* disable Win32 BackupRead() */
361 if (ff_pkt->reader) {
362 if (!set_prog(&ff_pkt->bfd, ff_pkt->reader, jcr)) {
363 Jmsg(jcr, M_FATAL, 0, _("Python reader program \"%s\" not found.\n"),
369 /* Send attributes -- must be done after binit() */
370 if (!encode_and_send_attributes(jcr, ff_pkt, data_stream)) {
375 * Open any file with data that we intend to save, then save it.
377 * Note, if is_win32_backup, we must open the Directory so that
378 * the BackupRead will save its permissions and ownership streams.
380 if (ff_pkt->type != FT_LNKSAVED && (S_ISREG(ff_pkt->statp.st_mode) &&
381 ff_pkt->statp.st_size > 0) ||
382 ff_pkt->type == FT_RAW || ff_pkt->type == FT_FIFO ||
383 (!is_portable_backup(&ff_pkt->bfd) && ff_pkt->type == FT_DIREND)) {
385 if (ff_pkt->type == FT_FIFO) {
386 tid = start_thread_timer(pthread_self(), 60);
390 if (bopen(&ff_pkt->bfd, ff_pkt->fname, O_RDONLY | O_BINARY, 0) < 0) {
391 ff_pkt->ff_errno = errno;
393 Jmsg(jcr, M_NOTSAVED, 0, _(" Cannot open %s: ERR=%s.\n"), ff_pkt->fname,
397 stop_thread_timer(tid);
403 stop_thread_timer(tid);
407 /* Set up the encryption context, send the session data to the SD */
408 if (jcr->pki_encrypt) {
409 /* Send our header */
410 bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, STREAM_ENCRYPTED_SESSION_DATA);
412 /* Grow the bsock buffer to fit our message if necessary */
413 if ((size_t) sizeof_pool_memory(sd->msg) < jcr->pki_session_encoded_size) {
414 sd->msg = realloc_pool_memory(sd->msg, jcr->pki_session_encoded_size);
417 /* Copy our message over and send it */
418 memcpy(sd->msg, jcr->pki_session_encoded, jcr->pki_session_encoded_size);
419 sd->msglen = jcr->pki_session_encoded_size;
420 jcr->JobBytes += sd->msglen;
423 bnet_sig(sd, BNET_EOD);
426 stat = send_data(jcr, data_stream, ff_pkt, digest, signing_digest);
427 bclose(&ff_pkt->bfd);
433 #ifdef HAVE_DARWIN_OS
434 /* Regular files can have resource forks and Finder Info */
435 if (ff_pkt->type != FT_LNKSAVED && (S_ISREG(ff_pkt->statp.st_mode) &&
436 ff_pkt->flags & FO_HFSPLUS)) {
437 if (ff_pkt->hfsinfo.rsrclength > 0) {
439 if (!bopen_rsrc(&ff_pkt->bfd, ff_pkt->fname, O_RDONLY | O_BINARY, 0) < 0) {
440 ff_pkt->ff_errno = errno;
442 Jmsg(jcr, M_NOTSAVED, -1, _(" Cannot open resource fork for %s: ERR=%s.\n"), ff_pkt->fname,
445 if (is_bopen(&ff_pkt->bfd)) {
446 bclose(&ff_pkt->bfd);
450 flags = ff_pkt->flags;
451 ff_pkt->flags &= ~(FO_GZIP|FO_SPARSE);
452 stat = send_data(jcr, STREAM_MACOS_FORK_DATA, ff_pkt, digest, signing_digest);
453 ff_pkt->flags = flags;
454 bclose(&ff_pkt->bfd);
460 Dmsg1(300, "Saving Finder Info for \"%s\"\n", ff_pkt->fname);
461 bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, STREAM_HFSPLUS_ATTRIBUTES);
462 Dmsg1(300, "bfiled>stored:header %s\n", sd->msg);
463 memcpy(sd->msg, ff_pkt->hfsinfo.fndrinfo, 32);
466 crypto_digest_update(digest, sd->msg, sd->msglen);
468 if (signing_digest) {
469 crypto_digest_update(signing_digest, sd->msg, sd->msglen);
472 bnet_sig(sd, BNET_EOD);
476 if (ff_pkt->flags & FO_ACL) {
477 /* Read access ACLs for files, dirs and links */
478 if (!read_and_send_acl(jcr, BACL_TYPE_ACCESS, STREAM_UNIX_ATTRIBUTES_ACCESS_ACL)) {
481 /* Directories can have default ACLs too */
482 if (ff_pkt->type == FT_DIREND && (BACL_CAP & BACL_CAP_DEFAULTS_DIR)) {
483 if (!read_and_send_acl(jcr, BACL_TYPE_DEFAULT, STREAM_UNIX_ATTRIBUTES_DEFAULT_ACL)) {
489 /* Terminate the signing digest and send it to the Storage daemon */
490 if (signing_digest) {
495 if ((sig = crypto_sign_new()) == NULL) {
496 Jmsg(jcr, M_FATAL, 0, _("Failed to allocate memory for stream signature.\n"));
500 if (crypto_sign_add_signer(sig, signing_digest, jcr->pki_keypair) == false) {
501 Jmsg(jcr, M_FATAL, 0, _("An error occured while signing the stream.\n"));
505 /* Get signature size */
506 if (crypto_sign_encode(sig, NULL, &size) == false) {
507 Jmsg(jcr, M_FATAL, 0, _("An error occured while signing the stream.\n"));
511 /* Allocate signature data buffer */
514 crypto_sign_free(sig);
518 /* Encode signature data */
519 if (crypto_sign_encode(sig, buf, &size) == false) {
520 Jmsg(jcr, M_FATAL, 0, _("An error occured while signing the stream.\n"));
524 /* Send our header */
525 bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, STREAM_SIGNED_DIGEST);
526 Dmsg1(300, "bfiled>stored:header %s\n", sd->msg);
528 /* Grow the bsock buffer to fit our message if necessary */
529 if ((size_t) sizeof_pool_memory(sd->msg) < size) {
530 sd->msg = realloc_pool_memory(sd->msg, size);
533 /* Copy our message over and send it */
534 memcpy(sd->msg, buf, size);
537 bnet_sig(sd, BNET_EOD); /* end of checksum */
539 crypto_digest_free(signing_digest);
540 crypto_sign_free(sig);
544 /* Terminate any digest and send it to Storage daemon and the Director */
546 char md[CRYPTO_DIGEST_MAX_SIZE];
551 if (crypto_digest_finalize(digest, &md, &size)) {
552 bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, digest_stream);
553 Dmsg1(300, "bfiled>stored:header %s\n", sd->msg);
554 memcpy(sd->msg, md, size);
557 bnet_sig(sd, BNET_EOD); /* end of checksum */
560 crypto_digest_free(digest);
567 * Send data read from an already open file descriptor.
569 * We return 1 on sucess and 0 on errors.
572 * We use ff_pkt->statp.st_size when FO_SPARSE.
573 * Currently this is not a problem as the only other stream, resource forks,
574 * are not handled as sparse files.
576 int send_data(JCR *jcr, int stream, FF_PKT *ff_pkt, DIGEST *digest, DIGEST *signing_digest)
578 BSOCK *sd = jcr->store_bsock;
579 uint64_t fileAddr = 0; /* file address */
581 int rsize = jcr->buf_size; /* read buffer size */
583 CIPHER_CONTEXT *cipher_ctx = NULL; /* Quell bogus uninitialized warnings */
584 const void *cipher_input;
585 size_t cipher_input_len;
586 size_t cipher_block_size;
587 size_t encrypted_len;
588 #ifdef FD_NO_SEND_TEST
593 rbuf = sd->msg; /* read buffer */
594 wbuf = sd->msg; /* write buffer */
595 cipher_input = rbuf; /* encrypt uncompressed data */
598 Dmsg1(300, "Saving data, type=%d\n", ff_pkt->type);
601 uLong compress_len, max_compress_len = 0;
602 const Bytef *cbuf = NULL;
605 if (ff_pkt->flags & FO_GZIP) {
606 if (ff_pkt->flags & FO_SPARSE) {
607 cbuf = (Bytef *)jcr->compress_buf + SPARSE_FADDR_SIZE;
608 max_compress_len = jcr->compress_buf_size - SPARSE_FADDR_SIZE;
610 cbuf = (Bytef *)jcr->compress_buf;
611 max_compress_len = jcr->compress_buf_size; /* set max length */
613 wbuf = jcr->compress_buf; /* compressed output here */
614 cipher_input = jcr->compress_buf; /* encrypt compressed data */
617 * Only change zlib parameters if there is no pending operation.
618 * This should never happen as deflaterset is called after each
622 if (((z_stream*)jcr->pZLIB_compress_workset)->total_in == 0) {
623 /* set gzip compression level - must be done per file */
624 if ((zstat=deflateParams((z_stream*)jcr->pZLIB_compress_workset, ff_pkt->GZIP_level, Z_DEFAULT_STRATEGY)) != Z_OK) {
625 Jmsg(jcr, M_FATAL, 0, _("Compression deflateParams error: %d\n"), zstat);
626 set_jcr_job_status(jcr, JS_ErrorTerminated);
632 const uint32_t max_compress_len = 0;
635 if (ff_pkt->flags & FO_ENCRYPT) {
636 /* Allocate the cipher context */
637 if ((cipher_ctx = crypto_cipher_new(jcr->pki_session, true, &cipher_block_size)) == NULL) {
638 /* Shouldn't happen! */
639 Jmsg0(jcr, M_FATAL, 0, _("Failed to initialize encryption context\n"));
644 * Grow the crypto buffer, if necessary.
645 * crypto_cipher_update() will buffer up to (cipher_block_size - 1).
646 * We grow crypto_buf to the maximum number of blocks that
647 * could be returned for the given read buffer size.
648 * (Using the larger of either rsize or max_compress_len)
650 jcr->crypto_buf = check_pool_memory_size(jcr->crypto_buf, (MAX((size_t) rsize, max_compress_len) + cipher_block_size - 1) / cipher_block_size * cipher_block_size);
652 wbuf = jcr->crypto_buf; /* Encrypted, possibly compressed output here. */
656 * Send Data header to Storage daemon
657 * <file-index> <stream> <info>
659 if (!bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, stream)) {
660 Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
664 Dmsg1(300, ">stored: datahdr %s\n", sd->msg);
667 * Make space at beginning of buffer for fileAddr because this
668 * same buffer will be used for writing if compression if off.
670 if (ff_pkt->flags & FO_SPARSE) {
671 rbuf += SPARSE_FADDR_SIZE;
672 rsize -= SPARSE_FADDR_SIZE;
673 #ifdef HAVE_FREEBSD_OS
675 * To read FreeBSD partitions, the read size must be
678 rsize = (rsize/512) * 512;
682 /* a RAW device read on win32 only works if the buffer is a multiple of 512 */
684 if (S_ISBLK(ff_pkt->statp.st_mode))
685 rsize = (rsize/512) * 512;
691 while ((sd->msglen=(uint32_t)bread(&ff_pkt->bfd, rbuf, rsize)) > 0) {
694 /* Check for sparse blocks */
695 if (ff_pkt->flags & FO_SPARSE) {
697 if (sd->msglen == rsize &&
698 fileAddr+sd->msglen < (uint64_t)ff_pkt->statp.st_size ||
699 ((ff_pkt->type == FT_RAW || ff_pkt->type == FT_FIFO) &&
700 (uint64_t)ff_pkt->statp.st_size == 0)) {
701 sparseBlock = is_buf_zero(rbuf, rsize);
704 ser_begin(wbuf, SPARSE_FADDR_SIZE);
705 ser_uint64(fileAddr); /* store fileAddr in begin of buffer */
708 jcr->ReadBytes += sd->msglen; /* count bytes read */
709 fileAddr += sd->msglen;
711 /* Uncompressed cipher input length */
712 cipher_input_len = sd->msglen;
714 /* Update checksum if requested */
716 crypto_digest_update(digest, rbuf, sd->msglen);
719 /* Update signing digest if requested */
720 if (signing_digest) {
721 crypto_digest_update(signing_digest, rbuf, sd->msglen);
725 /* Do compression if turned on */
726 if (!sparseBlock && (ff_pkt->flags & FO_GZIP) && jcr->pZLIB_compress_workset) {
727 compress_len = max_compress_len;
728 Dmsg4(400, "cbuf=0x%x len=%u rbuf=0x%x len=%u\n", cbuf, compress_len,
731 ((z_stream*)jcr->pZLIB_compress_workset)->next_in = (Bytef *)rbuf;
732 ((z_stream*)jcr->pZLIB_compress_workset)->avail_in = sd->msglen;
733 ((z_stream*)jcr->pZLIB_compress_workset)->next_out = (Bytef *)cbuf;
734 ((z_stream*)jcr->pZLIB_compress_workset)->avail_out = compress_len;
736 if ((zstat=deflate((z_stream*)jcr->pZLIB_compress_workset, Z_FINISH)) != Z_STREAM_END) {
737 Jmsg(jcr, M_FATAL, 0, _("Compression deflate error: %d\n"), zstat);
738 set_jcr_job_status(jcr, JS_ErrorTerminated);
741 compress_len = ((z_stream*)jcr->pZLIB_compress_workset)->total_out;
742 /* reset zlib stream to be able to begin from scratch again */
743 if ((zstat=deflateReset((z_stream*)jcr->pZLIB_compress_workset)) != Z_OK) {
744 Jmsg(jcr, M_FATAL, 0, _("Compression deflateReset error: %d\n"), zstat);
745 set_jcr_job_status(jcr, JS_ErrorTerminated);
749 Dmsg2(400, "compressed len=%d uncompressed len=%d\n",
750 compress_len, sd->msglen);
752 sd->msglen = compress_len; /* set compressed length */
753 cipher_input_len = compress_len;
757 if (ff_pkt->flags & FO_ENCRYPT) {
758 /* Encrypt the input block */
759 if (crypto_cipher_update(cipher_ctx, cipher_input, cipher_input_len, jcr->crypto_buf, &encrypted_len)) {
760 if (encrypted_len == 0) {
761 /* No full block of data available, read more data */
764 Dmsg2(400, "encrypted len=%d unencrypted len=%d\n",
765 encrypted_len, sd->msglen);
766 sd->msglen = encrypted_len; /* set encrypted length */
768 /* Encryption failed. Shouldn't happen. */
769 Jmsg(jcr, M_FATAL, 0, _("Encryption error\n"));
774 /* Send the buffer to the Storage daemon */
776 if (ff_pkt->flags & FO_SPARSE) {
777 sd->msglen += SPARSE_FADDR_SIZE; /* include fileAddr in size */
779 sd->msg = wbuf; /* set correct write buffer */
780 if (!bnet_send(sd)) {
781 Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
786 Dmsg1(130, "Send data to SD len=%d\n", sd->msglen);
788 jcr->JobBytes += sd->msglen; /* count bytes saved possibly compressed/encrypted */
789 sd->msg = msgsave; /* restore read buffer */
791 } /* end while read file data */
793 /* Send any remaining encrypted data + padding */
794 if (ff_pkt->flags & FO_ENCRYPT) {
795 if (!crypto_cipher_finalize(cipher_ctx, jcr->crypto_buf, &encrypted_len)) {
796 /* Padding failed. Shouldn't happen. */
797 Jmsg(jcr, M_FATAL, 0, _("Encryption padding error\n"));
801 if (encrypted_len > 0) {
802 sd->msglen = encrypted_len; /* set encrypted length */
804 /* Send remaining encrypted data to the SD */
805 if (ff_pkt->flags & FO_SPARSE) {
806 sd->msglen += SPARSE_FADDR_SIZE; /* include fileAddr in size */
808 sd->msg = wbuf; /* set correct write buffer */
809 if (!bnet_send(sd)) {
810 Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
814 Dmsg1(130, "Send data to SD len=%d\n", sd->msglen);
815 jcr->JobBytes += sd->msglen; /* count bytes saved possibly compressed/encrypted */
816 sd->msg = msgsave; /* restore bnet buffer */
820 if (sd->msglen < 0) {
822 Jmsg(jcr, M_ERROR, 0, _("Read error on file %s. ERR=%s\n"),
823 ff_pkt->fname, be.strerror(ff_pkt->bfd.berrno));
824 if (jcr->Errors++ > 1000) { /* insanity check */
825 Jmsg(jcr, M_FATAL, 0, _("Too many errors.\n"));
830 if (!bnet_sig(sd, BNET_EOD)) { /* indicate end of file data */
831 Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
836 /* Free the cipher context */
838 crypto_cipher_free(cipher_ctx);
843 /* Free the cipher context */
845 crypto_cipher_free(cipher_ctx);
848 sd->msg = msgsave; /* restore bnet buffer */
854 * Read and send an ACL for the last encountered file.
856 static bool read_and_send_acl(JCR *jcr, int acltype, int stream)
859 BSOCK *sd = jcr->store_bsock;
862 #ifdef FD_NO_SEND_TEST
866 len = bacl_get(jcr, acltype);
868 Jmsg1(jcr, M_WARNING, 0, _("Error reading ACL of %s\n"), jcr->last_fname);
872 return true; /* no ACL */
876 if (!bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, stream)) {
877 Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
882 /* Send the buffer to the storage deamon */
883 Dmsg2(400, "Backing up ACL type 0x%2x <%s>\n", acltype, jcr->acl_text);
885 sd->msg = jcr->acl_text;
886 sd->msglen = len + 1;
887 if (!bnet_send(sd)) {
890 Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
895 jcr->JobBytes += sd->msglen;
897 if (!bnet_sig(sd, BNET_EOD)) {
898 Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
903 Dmsg1(200, "ACL of file: %s successfully backed up!\n", jcr->last_fname);
908 static bool encode_and_send_attributes(JCR *jcr, FF_PKT *ff_pkt, int &data_stream)
910 BSOCK *sd = jcr->store_bsock;
911 char attribs[MAXSTRING];
912 char attribsEx[MAXSTRING];
915 #ifdef FD_NO_SEND_TEST
919 /* Find what data stream we will use, then encode the attributes */
920 if ((data_stream = select_data_stream(ff_pkt)) == STREAM_NONE) {
921 /* This should not happen */
922 Jmsg0(jcr, M_FATAL, 0, _("Invalid file flags, no supported data stream type.\n"));
925 encode_stat(attribs, ff_pkt, data_stream);
927 /* Now possibly extend the attributes */
928 attr_stream = encode_attribsEx(jcr, attribsEx, ff_pkt);
930 Dmsg3(300, "File %s\nattribs=%s\nattribsEx=%s\n", ff_pkt->fname, attribs, attribsEx);
933 jcr->JobFiles++; /* increment number of files sent */
934 ff_pkt->FileIndex = jcr->JobFiles; /* return FileIndex */
935 pm_strcpy(jcr->last_fname, ff_pkt->fname);
939 * Send Attributes header to Storage daemon
940 * <file-index> <stream> <info>
942 if (!bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, attr_stream)) {
943 Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
947 Dmsg1(300, ">stored: attrhdr %s\n", sd->msg);
950 * Send file attributes to Storage daemon
953 * Filename (full path)
955 * Link name (if type==FT_LNK or FT_LNKSAVED)
956 * Encoded extended-attributes (for Win32)
958 * For a directory, link is the same as fname, but with trailing
959 * slash. For a linked file, link is the link.
961 if (ff_pkt->type == FT_LNK || ff_pkt->type == FT_LNKSAVED) {
962 Dmsg2(300, "Link %s to %s\n", ff_pkt->fname, ff_pkt->link);
963 stat = bnet_fsend(sd, "%ld %d %s%c%s%c%s%c%s%c", jcr->JobFiles,
964 ff_pkt->type, ff_pkt->fname, 0, attribs, 0, ff_pkt->link, 0,
966 } else if (ff_pkt->type == FT_DIREND) {
967 /* Here link is the canonical filename (i.e. with trailing slash) */
968 stat = bnet_fsend(sd, "%ld %d %s%c%s%c%c%s%c", jcr->JobFiles,
969 ff_pkt->type, ff_pkt->link, 0, attribs, 0, 0, attribsEx, 0);
971 stat = bnet_fsend(sd, "%ld %d %s%c%s%c%c%s%c", jcr->JobFiles,
972 ff_pkt->type, ff_pkt->fname, 0, attribs, 0, 0, attribsEx, 0);
975 Dmsg2(300, ">stored: attr len=%d: %s\n", sd->msglen, sd->msg);
977 Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
981 bnet_sig(sd, BNET_EOD); /* indicate end of attributes data */