* 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.
*/
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) {
+ pZlibStream->zalloc = Z_NULL;
+ pZlibStream->zfree = Z_NULL;
+ pZlibStream->opaque = Z_NULL;
+ pZlibStream->state = Z_NULL;
+
+ if (deflateInit(pZlibStream, Z_DEFAULT_COMPRESSION) == Z_OK)
+ jcr->pZLIB_compress_workset = pZlibStream;
+ else
+ free (pZlibStream);
+ }
+#endif
+
/* Create encryption session data and a cached, DER-encoded session data
* structure. We use a single session key for each backup, so we'll encode
* the session data only once. */
if (jcr->pki_encrypt) {
- size_t size = 0;
+ uint32_t size = 0;
/* Create per-job session encryption context */
jcr->pki_session = crypto_session_new(cipher, jcr->pki_recipients);
/* Get the session data size */
- if (crypto_session_encode(jcr->pki_session, NULL, &size) == false) {
+ if (crypto_session_encode(jcr->pki_session, (uint8_t *)0, &size) == false) {
Jmsg(jcr, M_FATAL, 0, _("An error occured while encrypting the stream.\n"));
return 0;
}
/* Allocate buffer */
- jcr->pki_session_encoded = malloc(size);
+ jcr->pki_session_encoded = (uint8_t *)malloc(size);
if (!jcr->pki_session_encoded) {
return 0;
}
free_pool_memory(jcr->compress_buf);
jcr->compress_buf = NULL;
}
+ if (jcr->pZLIB_compress_workset) {
+ /* Free the zlib stream */
+#ifdef HAVE_LIBZ
+ deflateEnd((z_stream *)jcr->pZLIB_compress_workset);
+#endif
+ free (jcr->pZLIB_compress_workset);
+ jcr->pZLIB_compress_workset = NULL;
+ }
if (jcr->crypto_buf) {
free_pool_memory(jcr->crypto_buf);
jcr->crypto_buf = NULL;
}
-
if (jcr->pki_session) {
crypto_session_free(jcr->pki_session);
}
jcr->num_files_examined--; /* correct file count */
return 1; /* not used */
case FT_NORECURSE:
- Jmsg(jcr, M_INFO, 1, _(" Recursion turned off. Will not descend into %s\n"),
- ff_pkt->fname);
+ Jmsg(jcr, M_INFO, 1, _(" Recursion turned off. Will not descend from %s into %s\n"),
+ ff_pkt->top_fname, ff_pkt->fname);
ff_pkt->type = FT_DIREND; /* Backup only the directory entry */
break;
case FT_NOFSCHG:
/* Suppress message for /dev filesystems */
if (strncmp(ff_pkt->fname, "/dev/", 5) != 0) {
- Jmsg(jcr, M_INFO, 1, _(" Filesystem change prohibited. Will not descend into %s\n"),
- ff_pkt->fname);
+ 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);
}
ff_pkt->type = FT_DIREND; /* Backup only the directory entry */
break;
case FT_INVALIDFS:
- Jmsg(jcr, M_INFO, 1, _(" Disallowed filesystem. Will not descend into %s\n"),
- ff_pkt->fname);
+ Jmsg(jcr, M_INFO, 1, _(" Disallowed filesystem. Will not descend from %s into %s\n"),
+ ff_pkt->top_fname, ff_pkt->fname);
ff_pkt->type = FT_DIREND; /* Backup only the directory entry */
break;
+ case FT_INVALIDDT:
+ Jmsg(jcr, M_INFO, 1, _(" Disallowed drive type. Will not descend into %s\n"),
+ ff_pkt->fname);
+ break;
case FT_DIREND:
Dmsg1(130, "FT_DIREND: %s\n", ff_pkt->link);
break;
// TODO landonf: We should really only calculate the digest once, for both verification and signing.
if (jcr->pki_sign) {
signing_digest = crypto_digest_new(signing_algorithm);
- }
- /* Full-stop if a failure occured initializing the signature digest */
- if (jcr->pki_sign && signing_digest == NULL) {
- Jmsg(jcr, M_NOTSAVED, 0, _("%s signature digest initialization failed\n"),
- stream_to_ascii(signing_algorithm));
- jcr->Errors++;
- return 1;
+
+ /* Full-stop if a failure occured initializing the signature digest */
+ if (signing_digest == NULL) {
+ Jmsg(jcr, M_NOTSAVED, 0, _("%s signature digest initialization failed\n"),
+ stream_to_ascii(signing_algorithm));
+ jcr->Errors++;
+ return 1;
+ }
}
/* Enable encryption */
} else {
tid = NULL;
}
- if (bopen(&ff_pkt->bfd, ff_pkt->fname, O_RDONLY | O_BINARY, 0) < 0) {
+ int noatime = ff_pkt->flags & FO_NOATIME ? O_NOATIME : 0;
+ 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,
bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, STREAM_ENCRYPTED_SESSION_DATA);
/* Grow the bsock buffer to fit our message if necessary */
- if ((size_t) sizeof_pool_memory(sd->msg) < jcr->pki_session_encoded_size) {
+ if (sizeof_pool_memory(sd->msg) < jcr->pki_session_encoded_size) {
sd->msg = realloc_pool_memory(sd->msg, jcr->pki_session_encoded_size);
}
memcpy(sd->msg, ff_pkt->hfsinfo.fndrinfo, 32);
sd->msglen = 32;
if (digest) {
- crypto_digest_update(digest, sd->msg, sd->msglen);
+ crypto_digest_update(digest, (uint8_t *)sd->msg, sd->msglen);
}
if (signing_digest) {
- crypto_digest_update(signing_digest, sd->msg, sd->msglen);
+ crypto_digest_update(signing_digest, (uint8_t *)sd->msg, sd->msglen);
}
bnet_send(sd);
bnet_sig(sd, BNET_EOD);
/* Terminate the signing digest and send it to the Storage daemon */
if (signing_digest) {
SIGNATURE *sig;
- size_t size = 0;
- void *buf;
+ uint32_t size = 0;
+ uint8_t *buf;
if ((sig = crypto_sign_new()) == NULL) {
Jmsg(jcr, M_FATAL, 0, _("Failed to allocate memory for stream signature.\n"));
}
/* Allocate signature data buffer */
- buf = malloc(size);
+ buf = (uint8_t *)malloc(size);
if (!buf) {
crypto_sign_free(sig);
return 0;
Dmsg1(300, "bfiled>stored:header %s\n", sd->msg);
/* Grow the bsock buffer to fit our message if necessary */
- if ((size_t) sizeof_pool_memory(sd->msg) < size) {
+ if (sizeof_pool_memory(sd->msg) < (int32_t)size) {
sd->msg = realloc_pool_memory(sd->msg, size);
}
/* Terminate any digest and send it to Storage daemon and the Director */
if (digest) {
- char md[CRYPTO_DIGEST_MAX_SIZE];
- size_t size;
+ uint8_t md[CRYPTO_DIGEST_MAX_SIZE];
+ uint32_t size;
size = sizeof(md);
- if (crypto_digest_finalize(digest, &md, &size)) {
+ if (crypto_digest_finalize(digest, md, &size)) {
bnet_fsend(sd, "%ld %d 0", jcr->JobFiles, digest_stream);
Dmsg1(300, "bfiled>stored:header %s\n", sd->msg);
memcpy(sd->msg, md, size);
* 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)
+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 */
char *rbuf, *wbuf;
- int rsize = jcr->buf_size; /* read buffer size */
+ int32_t rsize = jcr->buf_size; /* read buffer size */
POOLMEM *msgsave;
CIPHER_CONTEXT *cipher_ctx = NULL; /* Quell bogus uninitialized warnings */
- const void *cipher_input;
- size_t cipher_input_len;
- size_t cipher_block_size;
- size_t encrypted_len;
+ const uint8_t *cipher_input;
+ uint32_t cipher_input_len;
+ uint32_t cipher_block_size;
+ uint32_t encrypted_len;
#ifdef FD_NO_SEND_TEST
return 1;
#endif
msgsave = sd->msg;
rbuf = sd->msg; /* read buffer */
wbuf = sd->msg; /* write buffer */
- cipher_input = rbuf; /* encrypt uncompressed data */
-
+ cipher_input = (uint8_t *)rbuf; /* encrypt uncompressed data */
Dmsg1(300, "Saving data, type=%d\n", ff_pkt->type);
#ifdef HAVE_LIBZ
- uLong compress_len, max_compress_len = 0;
+ uLong compress_len = 0;
+ uLong max_compress_len = 0;
const Bytef *cbuf = NULL;
+ int zstat;
if (ff_pkt->flags & FO_GZIP) {
if (ff_pkt->flags & FO_SPARSE) {
max_compress_len = jcr->compress_buf_size; /* set max length */
}
wbuf = jcr->compress_buf; /* compressed output here */
- cipher_input = jcr->compress_buf; /* encrypt compressed data */
+ cipher_input = (uint8_t *)jcr->compress_buf; /* encrypt compressed data */
+
+ /*
+ * Only change zlib parameters if there is no pending operation.
+ * This should never happen as deflatereset is called after each
+ * deflate.
+ */
+
+ if (((z_stream*)jcr->pZLIB_compress_workset)->total_in == 0) {
+ /* set gzip compression level - must be done per file */
+ if ((zstat=deflateParams((z_stream*)jcr->pZLIB_compress_workset,
+ ff_pkt->GZIP_level, Z_DEFAULT_STRATEGY)) != Z_OK) {
+ Jmsg(jcr, M_FATAL, 0, _("Compression deflateParams error: %d\n"), zstat);
+ set_jcr_job_status(jcr, JS_ErrorTerminated);
+ goto err;
+ }
+ }
}
#else
const uint32_t max_compress_len = 0;
if (ff_pkt->flags & FO_ENCRYPT) {
/* Allocate the cipher context */
- if ((cipher_ctx = crypto_cipher_new(jcr->pki_session, true, &cipher_block_size)) == NULL) {
+ if ((cipher_ctx = crypto_cipher_new(jcr->pki_session, true,
+ &cipher_block_size)) == NULL) {
/* Shouldn't happen! */
Jmsg0(jcr, M_FATAL, 0, _("Failed to initialize encryption context\n"));
goto err;
* could be returned for the given read buffer size.
* (Using the larger of either rsize or max_compress_len)
*/
- 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);
+ jcr->crypto_buf = check_pool_memory_size(jcr->crypto_buf,
+ (MAX(rsize + (int)sizeof(uint32_t), (int32_t)max_compress_len) +
+ cipher_block_size - 1) / cipher_block_size * cipher_block_size);
wbuf = jcr->crypto_buf; /* Encrypted, possibly compressed output here. */
}
/*
* Make space at beginning of buffer for fileAddr because this
- * same buffer will be used for writing if compression if off.
+ * same buffer will be used for writing if compression is off.
*/
if (ff_pkt->flags & FO_SPARSE) {
rbuf += SPARSE_FADDR_SIZE;
/* a RAW device read on win32 only works if the buffer is a multiple of 512 */
#ifdef HAVE_WIN32
if (S_ISBLK(ff_pkt->statp.st_mode))
- rsize = (rsize/512) * 512;
+ rsize = (rsize/512) * 512;
#endif
-
+
/*
* Read the file data
*/
(uint64_t)ff_pkt->statp.st_size == 0)) {
sparseBlock = is_buf_zero(rbuf, rsize);
}
-
- ser_begin(wbuf, SPARSE_FADDR_SIZE);
- ser_uint64(fileAddr); /* store fileAddr in begin of buffer */
+ if (!sparseBlock) {
+ ser_begin(wbuf, SPARSE_FADDR_SIZE);
+ ser_uint64(fileAddr); /* store fileAddr in begin of buffer */
+ }
}
jcr->ReadBytes += sd->msglen; /* count bytes read */
/* Update checksum if requested */
if (digest) {
- crypto_digest_update(digest, rbuf, sd->msglen);
+ crypto_digest_update(digest, (uint8_t *)rbuf, sd->msglen);
}
/* Update signing digest if requested */
if (signing_digest) {
- crypto_digest_update(signing_digest, rbuf, sd->msglen);
+ crypto_digest_update(signing_digest, (uint8_t *)rbuf, sd->msglen);
}
#ifdef HAVE_LIBZ
/* Do compression if turned on */
- if (!sparseBlock && ff_pkt->flags & FO_GZIP) {
- int zstat;
- compress_len = max_compress_len;
+ if (!sparseBlock && (ff_pkt->flags & FO_GZIP) && jcr->pZLIB_compress_workset) {
Dmsg4(400, "cbuf=0x%x len=%u rbuf=0x%x len=%u\n", cbuf, compress_len,
rbuf, sd->msglen);
- /* NOTE! This call modifies compress_len !!! */
- if ((zstat=compress2((Bytef *)cbuf, &compress_len,
- (const Bytef *)rbuf, (uLong)sd->msglen,
- ff_pkt->GZIP_level)) != Z_OK) {
- Jmsg(jcr, M_FATAL, 0, _("Compression error: %d\n"), zstat);
+
+ ((z_stream*)jcr->pZLIB_compress_workset)->next_in = (Bytef *)rbuf;
+ ((z_stream*)jcr->pZLIB_compress_workset)->avail_in = sd->msglen;
+ ((z_stream*)jcr->pZLIB_compress_workset)->next_out = (Bytef *)cbuf;
+ ((z_stream*)jcr->pZLIB_compress_workset)->avail_out = max_compress_len;
+
+ if ((zstat=deflate((z_stream*)jcr->pZLIB_compress_workset, Z_FINISH)) != Z_STREAM_END) {
+ Jmsg(jcr, M_FATAL, 0, _("Compression deflate error: %d\n"), zstat);
+ set_jcr_job_status(jcr, JS_ErrorTerminated);
+ goto err;
+ }
+ compress_len = ((z_stream*)jcr->pZLIB_compress_workset)->total_out;
+ /* reset zlib stream to be able to begin from scratch again */
+ if ((zstat=deflateReset((z_stream*)jcr->pZLIB_compress_workset)) != Z_OK) {
+ Jmsg(jcr, M_FATAL, 0, _("Compression deflateReset error: %d\n"), zstat);
set_jcr_job_status(jcr, JS_ErrorTerminated);
goto err;
}
- Dmsg2(400, "compressed len=%d uncompressed len=%d\n",
- compress_len, sd->msglen);
+
+ Dmsg2(400, "compressed len=%d uncompressed len=%d\n", compress_len,
+ sd->msglen);
sd->msglen = compress_len; /* set compressed length */
cipher_input_len = compress_len;
}
#endif
- if (ff_pkt->flags & FO_ENCRYPT) {
+ if (!sparseBlock && (ff_pkt->flags & FO_ENCRYPT)) {
+ uint32_t initial_len = 0;
+
+ if (ff_pkt->flags & FO_SPARSE) {
+ cipher_input_len += SPARSE_FADDR_SIZE;
+ }
+
+ /* Encrypt the length of the input block */
+ uint32_t packet_len = htonl(cipher_input_len);
+
+ if (!crypto_cipher_update(cipher_ctx, (const u_int8_t *)&packet_len,
+ sizeof(packet_len), (u_int8_t *)jcr->crypto_buf, &initial_len)) {
+ /* Encryption failed. Shouldn't happen. */
+ Jmsg(jcr, M_FATAL, 0, _("Encryption error\n"));
+ goto err;
+ }
+
/* Encrypt the input block */
- if (crypto_cipher_update(cipher_ctx, cipher_input, cipher_input_len, jcr->crypto_buf, &encrypted_len)) {
- if (encrypted_len == 0) {
+ if (crypto_cipher_update(cipher_ctx, cipher_input, cipher_input_len,
+ (u_int8_t *)&jcr->crypto_buf[initial_len], &encrypted_len)) {
+ if ((initial_len + encrypted_len) == 0) {
/* No full block of data available, read more data */
continue;
}
- Dmsg2(400, "encrypted len=%d unencrypted len=%d\n",
- encrypted_len, sd->msglen);
- sd->msglen = encrypted_len; /* set encrypted length */
+ Dmsg2(400, "encrypted len=%d unencrypted len=%d\n", encrypted_len,
+ sd->msglen);
+ sd->msglen = initial_len + encrypted_len; /* set encrypted length */
} else {
/* Encryption failed. Shouldn't happen. */
Jmsg(jcr, M_FATAL, 0, _("Encryption error\n"));
} /* end while read file data */
/* Send any remaining encrypted data + padding */
- if (ff_pkt->flags & FO_ENCRYPT) {
- if (!crypto_cipher_finalize(cipher_ctx, jcr->crypto_buf, &encrypted_len)) {
- /* Padding failed. Shouldn't happen. */
- Jmsg(jcr, M_FATAL, 0, _("Encryption padding error\n"));
- goto err;
- }
+ if (sd->msglen >= 0) {
+ if (ff_pkt->flags & FO_ENCRYPT) {
+ if (!crypto_cipher_finalize(cipher_ctx, (uint8_t *)jcr->crypto_buf,
+ &encrypted_len)) {
+ /* Padding failed. Shouldn't happen. */
+ Jmsg(jcr, M_FATAL, 0, _("Encryption padding error\n"));
+ goto err;
+ }
- if (encrypted_len > 0) {
- sd->msglen = encrypted_len; /* set encrypted length */
+ if (encrypted_len > 0) {
+ sd->msglen = encrypted_len; /* set encrypted length */
- /* Send remaining encrypted data to the SD */
- if (ff_pkt->flags & FO_SPARSE) {
- sd->msglen += SPARSE_FADDR_SIZE; /* include fileAddr in size */
- }
- sd->msg = wbuf; /* set correct write buffer */
- if (!bnet_send(sd)) {
- Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
- bnet_strerror(sd));
- goto err;
+ sd->msg = jcr->crypto_buf; /* set correct write buffer */
+ if (!bnet_send(sd)) {
+ Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
+ bnet_strerror(sd));
+ goto err;
+ }
+ Dmsg1(130, "Send data to SD len=%d\n", sd->msglen);
+ jcr->JobBytes += sd->msglen; /* count bytes saved possibly compressed/encrypted */
+ sd->msg = msgsave; /* restore bnet buffer */
}
- Dmsg1(130, "Send data to SD len=%d\n", sd->msglen);
- jcr->JobBytes += sd->msglen; /* count bytes saved possibly compressed/encrypted */
- sd->msg = msgsave; /* restore bnet buffer */
}
- }
-
- if (sd->msglen < 0) {
+ } else {
berrno be;
Jmsg(jcr, M_ERROR, 0, _("Read error on file %s. ERR=%s\n"),
ff_pkt->fname, be.strerror(ff_pkt->bfd.berrno));
if (jcr->Errors++ > 1000) { /* insanity check */
Jmsg(jcr, M_FATAL, 0, _("Too many errors.\n"));
}
-
}
if (!bnet_sig(sd, BNET_EOD)) { /* indicate end of file data */
if (cipher_ctx) {
crypto_cipher_free(cipher_ctx);
}
-
return 1;
err:
+ /* Free the cipher context */
if (cipher_ctx) {
crypto_cipher_free(cipher_ctx);
}
+
sd->msg = msgsave; /* restore bnet buffer */
sd->msglen = 0;
return 0;
projects / bacula / bacula / blobdiff