/*
Bacula® - The Network Backup Solution
- Copyright (C) 2000-2008 Free Software Foundation Europe e.V.
+ Copyright (C) 2000-2010 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.
*
* Kern Sibbald, November MM
*
- * Version $Id$
- *
*/
#include "bacula.h"
#include "filed.h"
+#include "restore.h"
#ifdef HAVE_DARWIN_OS
#include <sys/attr.h>
#endif
#ifdef HAVE_SHA2
- const bool have_sha2 = true;
+const bool have_sha2 = true;
#else
- const bool have_sha2 = false;
+const bool have_sha2 = false;
#endif
+#if defined(HAVE_XATTR)
+const bool have_xattr = true;
+#else
+const bool have_xattr = false;
+#endif
-/* Data received from Storage Daemon */
+/*
+ * Data received from Storage Daemon
+ */
static char rec_header[] = "rechdr %ld %ld %ld %ld %ld";
-typedef struct restore_cipher_ctx {
- CIPHER_CONTEXT *cipher;
- uint32_t block_size;
-
- POOLMEM *buf; /* Pointer to descryption buffer */
- int32_t buf_len; /* Count of bytes currently in buf */
- int32_t packet_len; /* Total bytes in packet */
-} RESTORE_CIPHER_CTX;
-
-struct r_ctx {
- JCR *jcr;
- int32_t stream;
- int32_t prev_stream;
- BFILE bfd; /* File content */
- uint64_t fileAddr; /* file write address */
- uint32_t size; /* Size of file */
- int flags; /* Options for extract_data() */
- BFILE forkbfd; /* Alternative data stream */
- uint64_t fork_addr; /* Write address for alternative stream */
- intmax_t fork_size; /* Size of alternate stream */
- int fork_flags; /* Options for extract_data() */
- int32_t type; /* file type FT_ */
- ATTR *attr; /* Pointer to attributes */
- bool extract; /* set when extracting */
-
- SIGNATURE *sig; /* Cryptographic signature (if any) for file */
- CRYPTO_SESSION *cs; /* Cryptographic session data (if any) for file */
- RESTORE_CIPHER_CTX cipher_ctx; /* Cryptographic restore context (if any) for file */
- RESTORE_CIPHER_CTX fork_cipher_ctx; /* Cryptographic restore context (if any) for alternative stream */
-};
-
-
-/* Forward referenced functions */
+/*
+ * Forward referenced functions
+ */
#if defined(HAVE_LIBZ)
static const char *zlib_strerror(int stat);
const bool have_libz = true;
static void free_session(r_ctx &rctx);
static void close_previous_stream(r_ctx &rctx);
-
-
static bool verify_signature(JCR *jcr, r_ctx &rctx);
-int32_t extract_data(JCR *jcr, r_ctx &rctx, POOLMEM *buf, int32_t buflen,
+int32_t extract_data(JCR *jcr, BFILE *bfd, POOLMEM *buf, int32_t buflen,
uint64_t *addr, int flags, RESTORE_CIPHER_CTX *cipher_ctx);
bool flush_cipher(JCR *jcr, BFILE *bfd, uint64_t *addr, int flags,
RESTORE_CIPHER_CTX *cipher_ctx);
-
/*
* Close a bfd check that we are at the expected file offset.
* Makes use of some code from set_attributes().
boffset_t fsize;
fsize = blseek(bfd, 0, SEEK_CUR);
- bclose(bfd); /* first close file */
+ bclose(bfd);
if (fsize > 0 && fsize != osize) {
Qmsg3(jcr, M_ERROR, 0, _("Size of data or stream of %s not correct. Original %s, restored %s.\n"),
jcr->last_fname, edit_uint64(osize, ec1),
return 0;
}
+#ifdef HAVE_DARWIN_OS
+bool restore_finderinfo(JCR *jcr, POOLMEM *buf, int32_t buflen)
+{
+ struct attrlist attrList;
+
+ memset(&attrList, 0, sizeof(attrList));
+ attrList.bitmapcount = ATTR_BIT_MAP_COUNT;
+ attrList.commonattr = ATTR_CMN_FNDRINFO;
+
+ Dmsg0(130, "Restoring Finder Info\n");
+ jcr->ff->flags |= FO_HFSPLUS;
+ if (buflen != 32) {
+ Jmsg(jcr, M_ERROR, 0, _("Invalid length of Finder Info (got %d, not 32)\n"), buflen);
+ return false;
+ }
+
+ if (setattrlist(jcr->last_fname, &attrList, buf, buflen, 0) != 0) {
+ Jmsg(jcr, M_ERROR, 0, _("Could not set Finder Info on %s\n"), jcr->last_fname);
+ return false;
+ }
+
+ return true;
+}
+#else
+bool restore_finderinfo(JCR *jcr, POOLMEM *buf, int32_t buflen)
+{
+ return true;
+}
+#endif
/*
* Restore the requested files.
- *
*/
void do_restore(JCR *jcr)
{
BSOCK *sd;
uint32_t VolSessionId, VolSessionTime;
int32_t file_index;
- char ec1[50]; /* Buffer printing huge values */
- uint32_t buf_size; /* client buffer size */
+ char ec1[50]; /* Buffer printing huge values */
+ uint32_t buf_size; /* client buffer size */
int stat;
intmax_t rsrc_len = 0; /* Original length of resource fork */
r_ctx rctx;
memset(&rctx, 0, sizeof(rctx));
rctx.jcr = jcr;
- /* The following variables keep track of "known unknowns" */
+ /*
+ * The following variables keep track of "known unknowns"
+ */
int non_support_data = 0;
int non_support_attr = 0;
int non_support_rsrc = 0;
int non_support_acl = 0;
int non_support_progname = 0;
int non_support_crypto = 0;
-
-#ifdef HAVE_DARWIN_OS
- struct attrlist attrList;
- memset(&attrList, 0, sizeof(attrList));
- attrList.bitmapcount = ATTR_BIT_MAP_COUNT;
- attrList.commonattr = ATTR_CMN_FNDRINFO;
-#endif
-
+ int non_support_xattr = 0;
sd = jcr->store_bsock;
set_jcr_job_status(jcr, JS_Running);
}
jcr->buf_size = sd->msglen;
- /* St Bernard code goes here if implemented -- see end of file */
+ /*
+ * St Bernard code goes here if implemented -- see end of file
+ */
if (have_libz) {
uint32_t compress_buf_size = jcr->buf_size + 12 + ((jcr->buf_size+999) / 1000) + 100;
- jcr->compress_buf = (char *)bmalloc(compress_buf_size);
+ jcr->compress_buf = get_memory(compress_buf_size);
jcr->compress_buf_size = compress_buf_size;
}
* d. Alternate data stream (e.g. Resource Fork)
* e. Finder info
* f. ACLs
- * g. Possibly a cryptographic signature
- * h. Possibly MD5 or SHA1 record
+ * g. XATTRs
+ * h. Possibly a cryptographic signature
+ * i. Possibly MD5 or SHA1 record
* 3. Repeat step 1
*
* NOTE: We keep track of two bacula file descriptors:
binit(&rctx.bfd);
binit(&rctx.forkbfd);
attr = rctx.attr = new_attr(jcr);
- jcr->acl_text = get_pool_memory(PM_MESSAGE);
-
-
+ if (have_acl) {
+ jcr->acl_data = (acl_data_t *)malloc(sizeof(acl_data_t));
+ memset((caddr_t)jcr->acl_data, 0, sizeof(acl_data_t));
+ jcr->acl_data->content = get_pool_memory(PM_MESSAGE);
+ }
+ if (have_xattr) {
+ jcr->xattr_data = (xattr_data_t *)malloc(sizeof(xattr_data_t));
+ memset((caddr_t)jcr->xattr_data, 0, sizeof(xattr_data_t));
+ jcr->xattr_data->content = get_pool_memory(PM_MESSAGE);
+ }
while (bget_msg(sd) >= 0 && !job_canceled(jcr)) {
- /* Remember previous stream type */
+ /*
+ * Remember previous stream type
+ */
rctx.prev_stream = rctx.stream;
- /* First we expect a Stream Record Header */
+ /*
+ * First we expect a Stream Record Header
+ */
if (sscanf(sd->msg, rec_header, &VolSessionId, &VolSessionTime, &file_index,
&rctx.stream, &rctx.size) != 5) {
Jmsg1(jcr, M_FATAL, 0, _("Record header scan error: %s\n"), sd->msg);
goto bail_out;
}
- Dmsg5(50, "Got hdr: Files=%d FilInx=%d size=%d Stream=%d, %s.\n",
+ Dmsg5(150, "Got hdr: Files=%d FilInx=%d size=%d Stream=%d, %s.\n",
jcr->JobFiles, file_index, rctx.size, rctx.stream, stream_to_ascii(rctx.stream));
- /* * Now we expect the Stream Data */
+ /*
+ * Now we expect the Stream Data
+ */
if (bget_msg(sd) < 0) {
Jmsg1(jcr, M_FATAL, 0, _("Data record error. ERR=%s\n"), sd->bstrerror());
goto bail_out;
Dmsg3(130, "Got stream: %s len=%d extract=%d\n", stream_to_ascii(rctx.stream),
sd->msglen, rctx.extract);
- /* If we change streams, close and reset alternate data streams */
+ /*
+ * If we change streams, close and reset alternate data streams
+ */
if (rctx.prev_stream != rctx.stream) {
if (is_bopen(&rctx.forkbfd)) {
deallocate_fork_cipher(rctx);
bclose_chksize(jcr, &rctx.forkbfd, rctx.fork_size);
}
- rctx.fork_size = -1; /* Use an impossible value and set a proper one below */
+ /*
+ * Use an impossible value and set a proper one below
+ */
+ rctx.fork_size = -1;
rctx.fork_addr = 0;
}
- /* File Attributes stream */
+ /*
+ * File Attributes stream
+ */
switch (rctx.stream) {
case STREAM_UNIX_ATTRIBUTES:
case STREAM_UNIX_ATTRIBUTES_EX:
- close_previous_stream(rctx); /* if any previous stream open, close it */
-
+ /*
+ * if any previous stream open, close it
+ */
+ close_previous_stream(rctx);
- /* TODO: manage deleted files */
+ /*
+ * TODO: manage deleted files
+ */
if (rctx.type == FT_DELETED) { /* deleted file */
continue;
}
+ /*
+ * Restore objects should be ignored here -- they are
+ * returned at the beginning of the restore.
+ */
+ if (rctx.type == FT_RESTORE_FIRST) {
+ continue;
+ }
/*
* Unpack attributes and do sanity check them
*/
- if (!unpack_attributes_record(jcr, rctx.stream, sd->msg, attr)) {
+ if (!unpack_attributes_record(jcr, rctx.stream, sd->msg, sd->msglen, attr)) {
goto bail_out;
}
-#ifdef xxx
- if (file_index != attr->file_index) {
- Jmsg(jcr, M_FATAL, 0, _("Record header file index %ld not equal record index %ld\n"),
- file_index, attr->file_index);
- Dmsg0(200, "File index error\n");
- goto bail_out;
- }
-#endif
- Dmsg3(200, "File %s\nattrib=%s\nattribsEx=%s\n", attr->fname,
+ Dmsg3(100, "File %s\nattrib=%s\nattribsEx=%s\n", attr->fname,
attr->attr, attr->attrEx);
+ Dmsg3(100, "=== msglen=%d attrExlen=%d msg=%s\n", sd->msglen,
+ strlen(attr->attrEx), sd->msg);
attr->data_stream = decode_stat(attr->attr, &attr->statp, &attr->LinkFI);
/*
* Try to actually create the file, which returns a status telling
- * us if we need to extract or not.
+ * us if we need to extract or not.
*/
jcr->num_files_examined++;
rctx.extract = false;
switch (stat) {
case CF_ERROR:
case CF_SKIP:
+ pm_strcpy(jcr->last_fname, attr->ofname);
+ jcr->last_type = attr->type;
break;
- case CF_EXTRACT: /* File created and we expect file data */
+ case CF_EXTRACT:
+ /*
+ * File created and we expect file data
+ */
rctx.extract = true;
- /* FALLTHROUGH */
- case CF_CREATED: /* File created, but there is no content */
- jcr->JobFiles++;
+ /*
+ * FALLTHROUGH
+ */
+ case CF_CREATED:
+ /*
+ * File created, but there is no content
+ */
rctx.fileAddr = 0;
print_ls_output(jcr, attr);
if (have_darwin_os) {
- /* Only restore the resource fork for regular files */
+ /*
+ * Only restore the resource fork for regular files
+ */
from_base64(&rsrc_len, attr->attrEx);
if (attr->type == FT_REG && rsrc_len > 0) {
rctx.extract = true;
}
+
+ /*
+ * Count the resource forks not as regular files being restored.
+ */
+ if (rsrc_len == 0) {
+ jcr->JobFiles++;
+ }
+ } else {
+ jcr->JobFiles++;
}
+
if (!rctx.extract) {
- /* set attributes now because file will not be extracted */
+ /*
+ * set attributes now because file will not be extracted
+ */
if (jcr->plugin) {
plugin_set_attributes(jcr, attr, &rctx.bfd);
} else {
}
break;
- /* Data stream */
+ /*
+ * Data stream
+ */
case STREAM_ENCRYPTED_SESSION_DATA:
crypto_error_t cryptoerr;
- /* Is this an unexpected session data entry? */
+ /*
+ * Is this an unexpected session data entry?
+ */
if (rctx.cs) {
Jmsg0(jcr, M_ERROR, 0, _("Unexpected cryptographic session data stream.\n"));
rctx.extract = false;
continue;
}
- /* Do we have any keys at all? */
+ /*
+ * Do we have any keys at all?
+ */
if (!jcr->crypto.pki_recipients) {
Jmsg(jcr, M_ERROR, 0, _("No private decryption keys have been defined to decrypt encrypted backup data.\n"));
rctx.extract = false;
break;
}
- /* Decode and save session keys. */
+ /*
+ * Decode and save session keys.
+ */
cryptoerr = crypto_session_decode((uint8_t *)sd->msg, (uint32_t)sd->msglen,
jcr->crypto.pki_recipients, &rctx.cs);
switch(cryptoerr) {
case CRYPTO_ERROR_NONE:
- /* Success */
+ /*
+ * Success
+ */
break;
case CRYPTO_ERROR_NORECIPIENT:
Jmsg(jcr, M_ERROR, 0, _("Missing private key required to decrypt encrypted backup data.\n"));
Jmsg(jcr, M_ERROR, 0, _("Decrypt of the session key failed.\n"));
break;
default:
- /* Shouldn't happen */
+ /*
+ * Shouldn't happen
+ */
Jmsg1(jcr, M_ERROR, 0, _("An error occurred while decoding encrypted session data stream: %s\n"), crypto_strerror(cryptoerr));
break;
}
case STREAM_ENCRYPTED_WIN32_DATA:
case STREAM_ENCRYPTED_FILE_GZIP_DATA:
case STREAM_ENCRYPTED_WIN32_GZIP_DATA:
- /* Force an expected, consistent stream type here */
+ /*
+ * Force an expected, consistent stream type here
+ */
if (rctx.extract && (rctx.prev_stream == rctx.stream
|| rctx.prev_stream == STREAM_UNIX_ATTRIBUTES
|| rctx.prev_stream == STREAM_UNIX_ATTRIBUTES_EX
|| rctx.stream == STREAM_ENCRYPTED_FILE_GZIP_DATA
|| rctx.stream == STREAM_ENCRYPTED_WIN32_DATA
|| rctx.stream == STREAM_ENCRYPTED_WIN32_GZIP_DATA) {
- /* Set up a decryption context */
+ /*
+ * Set up a decryption context
+ */
if (!rctx.cipher_ctx.cipher) {
if (!rctx.cs) {
Jmsg1(jcr, M_ERROR, 0, _("Missing encryption session data stream for %s\n"), jcr->last_fname);
if (is_win32_stream(rctx.stream) && !have_win32_api()) {
set_portable_backup(&rctx.bfd);
- rctx.flags |= FO_WIN32DECOMP; /* "decompose" BackupWrite data */
+ /*
+ * "decompose" BackupWrite data
+ */
+ rctx.flags |= FO_WIN32DECOMP;
}
- if (extract_data(jcr, rctx, sd->msg, sd->msglen, &rctx.fileAddr,
+ if (extract_data(jcr, &rctx.bfd, sd->msg, sd->msglen, &rctx.fileAddr,
rctx.flags, &rctx.cipher_ctx) < 0) {
+ rctx.extract = false;
bclose(&rctx.bfd);
continue;
}
}
break;
- /* Resource fork stream - only recorded after a file to be restored */
- /* Silently ignore if we cannot write - we already reported that */
+ /*
+ * Resource fork stream - only recorded after a file to be restored
+ * Silently ignore if we cannot write - we already reported that
+ */
case STREAM_ENCRYPTED_MACOS_FORK_DATA:
case STREAM_MACOS_FORK_DATA:
-#ifdef HAVE_DARWIN_OS
- rctx.fork_flags = 0;
- jcr->ff->flags |= FO_HFSPLUS;
+ if (have_darwin_os) {
+ rctx.fork_flags = 0;
+ jcr->ff->flags |= FO_HFSPLUS;
- if (rctx.stream == STREAM_ENCRYPTED_MACOS_FORK_DATA) {
- rctx.fork_flags |= FO_ENCRYPT;
+ if (rctx.stream == STREAM_ENCRYPTED_MACOS_FORK_DATA) {
+ rctx.fork_flags |= FO_ENCRYPT;
- /* Set up a decryption context */
- if (rctx.extract && !rctx.fork_cipher_ctx.cipher) {
- if (!rctx.cs) {
- Jmsg1(jcr, M_ERROR, 0, _("Missing encryption session data stream for %s\n"), jcr->last_fname);
- rctx.extract = false;
- bclose(&rctx.bfd);
- continue;
- }
+ /*
+ * Set up a decryption context
+ */
+ if (rctx.extract && !rctx.fork_cipher_ctx.cipher) {
+ if (!rctx.cs) {
+ Jmsg1(jcr, M_ERROR, 0, _("Missing encryption session data stream for %s\n"), jcr->last_fname);
+ rctx.extract = false;
+ bclose(&rctx.bfd);
+ continue;
+ }
- if ((rctx.fork_cipher_ctx.cipher = crypto_cipher_new(rctx.cs, false, &rctx.fork_cipher_ctx.block_size)) == NULL) {
- Jmsg1(jcr, M_ERROR, 0, _("Failed to initialize decryption context for %s\n"), jcr->last_fname);
- free_session(rctx);
- rctx.extract = false;
- bclose(&rctx.bfd);
- continue;
+ if ((rctx.fork_cipher_ctx.cipher = crypto_cipher_new(rctx.cs, false, &rctx.fork_cipher_ctx.block_size)) == NULL) {
+ Jmsg1(jcr, M_ERROR, 0, _("Failed to initialize decryption context for %s\n"), jcr->last_fname);
+ free_session(rctx);
+ rctx.extract = false;
+ bclose(&rctx.bfd);
+ continue;
+ }
}
}
- }
- if (rctx.extract) {
- if (rctx.prev_stream != rctx.stream) {
- if (bopen_rsrc(&rctx.forkbfd, jcr->last_fname, O_WRONLY | O_TRUNC | O_BINARY, 0) < 0) {
- Jmsg(jcr, M_ERROR, 0, _(" Cannot open resource fork for %s.\n"), jcr->last_fname);
+ if (rctx.extract) {
+ if (rctx.prev_stream != rctx.stream) {
+ if (bopen_rsrc(&rctx.forkbfd, jcr->last_fname, O_WRONLY | O_TRUNC | O_BINARY, 0) < 0) {
+ Jmsg(jcr, M_ERROR, 0, _("Cannot open resource fork for %s.\n"), jcr->last_fname);
+ rctx.extract = false;
+ continue;
+ }
+
+ rctx.fork_size = rsrc_len;
+ Dmsg0(130, "Restoring resource fork\n");
+ }
+
+ if (extract_data(jcr, &rctx.forkbfd, sd->msg, sd->msglen, &rctx.fork_addr, rctx.fork_flags,
+ &rctx.fork_cipher_ctx) < 0) {
rctx.extract = false;
+ bclose(&rctx.forkbfd);
continue;
}
-
- rctx.fork_size = rsrc_len;
- Dmsg0(130, "Restoring resource fork\n");
- }
-
- if (extract_data(jcr, rctx, sd->msg, sd->msglen, &rctx.fork_addr, rctx.fork_flags,
- &rctx.fork_cipher_ctx) < 0) {
- bclose(&rctx.forkbfd);
- continue;
}
+ } else {
+ non_support_rsrc++;
}
-#else
- non_support_rsrc++;
-#endif
break;
case STREAM_HFSPLUS_ATTRIBUTES:
-#ifdef HAVE_DARWIN_OS
- Dmsg0(130, "Restoring Finder Info\n");
- jcr->ff->flags |= FO_HFSPLUS;
- if (sd->msglen != 32) {
- Jmsg(jcr, M_ERROR, 0, _(" Invalid length of Finder Info (got %d, not 32)\n"), sd->msglen);
- continue;
- }
- if (setattrlist(jcr->last_fname, &attrList, sd->msg, sd->msglen, 0) != 0) {
- Jmsg(jcr, M_ERROR, 0, _(" Could not set Finder Info on %s\n"), jcr->last_fname);
- continue;
+ if (have_darwin_os) {
+ if (!restore_finderinfo(jcr, sd->msg, sd->msglen)) {
+ continue;
+ }
+ } else {
+ non_support_finfo++;
}
-#else
- non_support_finfo++;
-#endif
break;
case STREAM_UNIX_ACCESS_ACL:
+ case STREAM_UNIX_DEFAULT_ACL:
+ case STREAM_ACL_AIX_TEXT:
+ case STREAM_ACL_DARWIN_ACCESS_ACL:
+ case STREAM_ACL_FREEBSD_DEFAULT_ACL:
+ case STREAM_ACL_FREEBSD_ACCESS_ACL:
+ case STREAM_ACL_HPUX_ACL_ENTRY:
+ case STREAM_ACL_IRIX_DEFAULT_ACL:
+ case STREAM_ACL_IRIX_ACCESS_ACL:
+ case STREAM_ACL_LINUX_DEFAULT_ACL:
+ case STREAM_ACL_LINUX_ACCESS_ACL:
+ case STREAM_ACL_TRU64_DEFAULT_ACL:
+ case STREAM_ACL_TRU64_DEFAULT_DIR_ACL:
+ case STREAM_ACL_TRU64_ACCESS_ACL:
+ case STREAM_ACL_SOLARIS_ACLENT:
+ case STREAM_ACL_SOLARIS_ACE:
+ case STREAM_ACL_AFS_TEXT:
+ /*
+ * Do not restore ACLs when
+ * a) The current file is not extracted
+ * b) and it is not a directory (they are never "extracted")
+ * c) or the file name is empty
+ */
+ if ((!rctx.extract && jcr->last_type != FT_DIREND) || (*jcr->last_fname == 0)) {
+ break;
+ }
if (have_acl) {
- pm_strcpy(jcr->acl_text, sd->msg);
- Dmsg2(400, "Restoring ACL type 0x%2x <%s>\n", BACL_TYPE_ACCESS, jcr->acl_text);
- if (bacl_set(jcr, BACL_TYPE_ACCESS) != 0) {
- Qmsg1(jcr, M_WARNING, 0, _("Can't restore ACL of %s\n"), jcr->last_fname);
+ pm_memcpy(jcr->acl_data->content, sd->msg, sd->msglen);
+ jcr->acl_data->content_length = sd->msglen;
+ switch (parse_acl_streams(jcr, rctx.stream)) {
+ case bacl_exit_fatal:
+ goto bail_out;
+ case bacl_exit_error:
+ /*
+ * Non-fatal errors, count them and when the number is under ACL_REPORT_ERR_MAX_PER_JOB
+ * print the error message set by the lower level routine in jcr->errmsg.
+ */
+ if (jcr->acl_data->nr_errors < ACL_REPORT_ERR_MAX_PER_JOB) {
+ Jmsg(jcr, M_WARNING, 0, "%s", jcr->errmsg);
+ }
+ jcr->acl_data->nr_errors++;
+ break;
+ case bacl_exit_ok:
+ break;
}
} else {
non_support_acl++;
}
break;
- case STREAM_UNIX_DEFAULT_ACL:
- if (have_acl) {
- pm_strcpy(jcr->acl_text, sd->msg);
- Dmsg2(400, "Restoring ACL type 0x%2x <%s>\n", BACL_TYPE_DEFAULT, jcr->acl_text);
- if (bacl_set(jcr, BACL_TYPE_DEFAULT) != 0) {
- Qmsg1(jcr, M_WARNING, 0, _("Can't restore default ACL of %s\n"), jcr->last_fname);
+ case STREAM_XATTR_OPENBSD:
+ case STREAM_XATTR_SOLARIS_SYS:
+ case STREAM_XATTR_SOLARIS:
+ case STREAM_XATTR_DARWIN:
+ case STREAM_XATTR_FREEBSD:
+ case STREAM_XATTR_LINUX:
+ case STREAM_XATTR_NETBSD:
+ /*
+ * Do not restore Extended Attributes when
+ * a) The current file is not extracted
+ * b) and it is not a directory (they are never "extracted")
+ * c) or the file name is empty
+ */
+ if ((!rctx.extract && jcr->last_type != FT_DIREND) || (*jcr->last_fname == 0)) {
+ break;
+ }
+ if (have_xattr) {
+ pm_memcpy(jcr->xattr_data->content, sd->msg, sd->msglen);
+ jcr->xattr_data->content_length = sd->msglen;
+ switch (parse_xattr_streams(jcr, rctx.stream)) {
+ case bxattr_exit_fatal:
+ goto bail_out;
+ case bxattr_exit_error:
+ /*
+ * Non-fatal errors, count them and when the number is under XATTR_REPORT_ERR_MAX_PER_JOB
+ * print the error message set by the lower level routine in jcr->errmsg.
+ */
+ if (jcr->xattr_data->nr_errors < XATTR_REPORT_ERR_MAX_PER_JOB) {
+ Jmsg(jcr, M_WARNING, 0, "%s", jcr->errmsg);
+ }
+ jcr->xattr_data->nr_errors++;
+ break;
+ case bxattr_exit_ok:
+ break;
}
} else {
- non_support_acl++;
+ non_support_xattr++;
}
break;
case STREAM_SIGNED_DIGEST:
- /* Is this an unexpected signature? */
+ /*
+ * Is this an unexpected signature?
+ */
if (rctx.sig) {
Jmsg0(jcr, M_ERROR, 0, _("Unexpected cryptographic signature data stream.\n"));
free_signature(rctx);
continue;
}
- /* Save signature. */
+ /*
+ * Save signature.
+ */
if (rctx.extract && (rctx.sig = crypto_sign_decode(jcr, (uint8_t *)sd->msg, (uint32_t)sd->msglen)) == NULL) {
Jmsg1(jcr, M_ERROR, 0, _("Failed to decode message signature for %s\n"), jcr->last_fname);
}
Dmsg2(0, "Unknown stream=%d data=%s\n", rctx.stream, sd->msg);
break;
} /* end switch(stream) */
-
} /* end while get_msg() */
/*
set_jcr_job_status(jcr, JS_ErrorTerminated);
ok_out:
- /* Free Signature & Crypto Data */
+ /*
+ * First output the statistics.
+ */
+ Dmsg2(10, "End Do Restore. Files=%d Bytes=%s\n", jcr->JobFiles,
+ edit_uint64(jcr->JobBytes, ec1));
+ if (have_acl && jcr->acl_data->nr_errors > 0) {
+ Jmsg(jcr, M_ERROR, 0, _("Encountered %ld acl errors while doing restore\n"),
+ jcr->acl_data->nr_errors);
+ }
+ if (have_xattr && jcr->xattr_data->nr_errors > 0) {
+ Jmsg(jcr, M_ERROR, 0, _("Encountered %ld xattr errors while doing restore\n"),
+ jcr->xattr_data->nr_errors);
+ }
+ if (non_support_data > 1 || non_support_attr > 1) {
+ Jmsg(jcr, M_ERROR, 0, _("%d non-supported data streams and %d non-supported attrib streams ignored.\n"),
+ non_support_data, non_support_attr);
+ }
+ if (non_support_rsrc) {
+ Jmsg(jcr, M_INFO, 0, _("%d non-supported resource fork streams ignored.\n"), non_support_rsrc);
+ }
+ if (non_support_finfo) {
+ Jmsg(jcr, M_INFO, 0, _("%d non-supported Finder Info streams ignored.\n"), non_support_rsrc);
+ }
+ if (non_support_acl) {
+ Jmsg(jcr, M_INFO, 0, _("%d non-supported acl streams ignored.\n"), non_support_acl);
+ }
+ if (non_support_crypto) {
+ Jmsg(jcr, M_INFO, 0, _("%d non-supported crypto streams ignored.\n"), non_support_acl);
+ }
+ if (non_support_xattr) {
+ Jmsg(jcr, M_INFO, 0, _("%d non-supported xattr streams ignored.\n"), non_support_xattr);
+ }
+
+ /*
+ * Free Signature & Crypto Data
+ */
free_signature(rctx);
free_session(rctx);
if (jcr->crypto.digest) {
jcr->crypto.digest = NULL;
}
- /* Free file cipher restore context */
+ /*
+ * Free file cipher restore context
+ */
if (rctx.cipher_ctx.cipher) {
crypto_cipher_free(rctx.cipher_ctx.cipher);
rctx.cipher_ctx.cipher = NULL;
}
+
if (rctx.cipher_ctx.buf) {
free_pool_memory(rctx.cipher_ctx.buf);
rctx.cipher_ctx.buf = NULL;
}
- /* Free alternate stream cipher restore context */
+ /*
+ * Free alternate stream cipher restore context
+ */
if (rctx.fork_cipher_ctx.cipher) {
crypto_cipher_free(rctx.fork_cipher_ctx.cipher);
rctx.fork_cipher_ctx.cipher = NULL;
}
if (jcr->compress_buf) {
- free(jcr->compress_buf);
+ free_pool_memory(jcr->compress_buf);
jcr->compress_buf = NULL;
jcr->compress_buf_size = 0;
}
- bclose(&rctx.forkbfd);
- bclose(&rctx.bfd);
- free_attr(rctx.attr);
- free_pool_memory(jcr->acl_text);
- Dmsg2(10, "End Do Restore. Files=%d Bytes=%s\n", jcr->JobFiles,
- edit_uint64(jcr->JobBytes, ec1));
- if (non_support_data > 1 || non_support_attr > 1) {
- Jmsg(jcr, M_ERROR, 0, _("%d non-supported data streams and %d non-supported attrib streams ignored.\n"),
- non_support_data, non_support_attr);
- }
- if (non_support_rsrc) {
- Jmsg(jcr, M_INFO, 0, _("%d non-supported resource fork streams ignored.\n"), non_support_rsrc);
- }
- if (non_support_finfo) {
- Jmsg(jcr, M_INFO, 0, _("%d non-supported Finder Info streams ignored.\n"), non_support_rsrc);
- }
- if (non_support_acl) {
- Jmsg(jcr, M_INFO, 0, _("%d non-supported acl streams ignored.\n"), non_support_acl);
+
+ if (have_acl && jcr->acl_data) {
+ free_pool_memory(jcr->acl_data->content);
+ free(jcr->acl_data);
+ jcr->acl_data = NULL;
}
- if (non_support_crypto) {
- Jmsg(jcr, M_INFO, 0, _("%d non-supported crypto streams ignored.\n"), non_support_acl);
+
+ if (have_xattr && jcr->xattr_data) {
+ free_pool_memory(jcr->xattr_data->content);
+ free(jcr->xattr_data);
+ jcr->xattr_data = NULL;
}
+ bclose(&rctx.forkbfd);
+ bclose(&rctx.bfd);
+ free_attr(rctx.attr);
}
#ifdef HAVE_LIBZ
if (!jcr->crypto.pki_sign) {
- return true; /* no signature OK */
+ /*
+ * no signature OK
+ */
+ return true;
}
if (!sig) {
if (rctx.type == FT_REGE || rctx.type == FT_REG || rctx.type == FT_RAW) {
return true;
}
- /* Iterate through the trusted signers */
+ /*
+ * Iterate through the trusted signers
+ */
foreach_alist(keypair, jcr->crypto.pki_signers) {
err = crypto_sign_get_digest(sig, jcr->crypto.pki_keypair, algorithm, &digest);
switch (err) {
}
}
if (jcr->crypto.digest) {
- /* Use digest computed while writing the file to verify the signature */
+ /*
+ * Use digest computed while writing the file to verify the signature
+ */
if ((err = crypto_sign_verify(sig, keypair, jcr->crypto.digest)) != CRYPTO_ERROR_NONE) {
Dmsg1(50, "Bad signature on %s\n", jcr->last_fname);
Jmsg2(jcr, M_ERROR, 0, _("Signature validation failed for file %s: ERR=%s\n"),
goto bail_out;
}
} else {
- /* Signature found, digest allocated. Old method,
+ /*
+ * Signature found, digest allocated. Old method,
* re-read the file and compute the digest
*/
jcr->crypto.digest = digest;
- /* Checksum the entire file */
- /* Make sure we don't modify JobBytes by saving and restoring it */
+ /*
+ * Checksum the entire file
+ * Make sure we don't modify JobBytes by saving and restoring it
+ */
saved_bytes = jcr->JobBytes;
if (find_one_file(jcr, jcr->ff, do_file_digest, jcr->last_fname, (dev_t)-1, 1) != 0) {
Jmsg(jcr, M_ERROR, 0, _("Digest one file failed for file: %s\n"),
}
jcr->JobBytes = saved_bytes;
- /* Verify the signature */
+ /*
+ * Verify the signature
+ */
if ((err = crypto_sign_verify(sig, keypair, digest)) != CRYPTO_ERROR_NONE) {
Dmsg1(50, "Bad signature on %s\n", jcr->last_fname);
Jmsg2(jcr, M_ERROR, 0, _("Signature validation failed for file %s: ERR=%s\n"),
jcr->crypto.digest = NULL;
}
- /* Valid signature */
+ /*
+ * Valid signature
+ */
Dmsg1(50, "Signature good on %s\n", jcr->last_fname);
crypto_digest_free(digest);
return true;
case CRYPTO_ERROR_NOSIGNER:
- /* Signature not found, try again */
+ /*
+ * Signature not found, try again
+ */
if (digest) {
crypto_digest_free(digest);
digest = NULL;
}
continue;
default:
- /* Something strange happened (that shouldn't happen!)... */
+ /*
+ * Something strange happened (that shouldn't happen!)...
+ */
Qmsg2(jcr, M_ERROR, 0, _("Signature validation failed for %s: %s\n"), jcr->last_fname, crypto_strerror(err));
goto bail_out;
}
}
- /* No signer */
+ /*
+ * No signer
+ */
Dmsg1(50, "Could not find a valid public key for signature on %s\n", jcr->last_fname);
bail_out:
#ifdef HAVE_LIBZ
uLong compress_len;
int stat;
- char ec1[50]; /* Buffer printing huge values */
+ char ec1[50]; /* Buffer printing huge values */
/*
* NOTE! We only use uLong and Byte because they are
- * needed by the zlib routines, they should not otherwise
- * be used in Bacula.
+ * needed by the zlib routines, they should not otherwise
+ * be used in Bacula.
*/
compress_len = jcr->compress_buf_size;
Dmsg2(200, "Comp_len=%d msglen=%d\n", compress_len, *length);
- if ((stat=uncompress((Byte *)jcr->compress_buf, &compress_len,
- (const Byte *)*data, (uLong)*length)) != Z_OK) {
+ while ((stat=uncompress((Byte *)jcr->compress_buf, &compress_len,
+ (const Byte *)*data, (uLong)*length)) == Z_BUF_ERROR)
+ {
+ /*
+ * The buffer size is too small, try with a bigger one
+ */
+ compress_len = jcr->compress_buf_size = jcr->compress_buf_size + (jcr->compress_buf_size >> 1);
+ Dmsg2(200, "Comp_len=%d msglen=%d\n", compress_len, *length);
+ jcr->compress_buf = check_pool_memory_size(jcr->compress_buf,
+ compress_len);
+ }
+ if (stat != Z_OK) {
Qmsg(jcr, M_ERROR, 0, _("Uncompression error on file %s. ERR=%s\n"),
- jcr->last_fname, zlib_strerror(stat));
+ jcr->last_fname, zlib_strerror(stat));
return false;
}
*data = jcr->compress_buf;
* The flags specify whether to use sparse files or compression.
* Return value is the number of bytes written, or -1 on errors.
*/
-int32_t extract_data(JCR *jcr, r_ctx &rctx, POOLMEM *buf, int32_t buflen,
- uint64_t *addr, int flags, RESTORE_CIPHER_CTX *cipher_ctx)
+int32_t extract_data(JCR *jcr, BFILE *bfd, POOLMEM *buf, int32_t buflen,
+ uint64_t *addr, int flags, RESTORE_CIPHER_CTX *cipher_ctx)
{
- BFILE *bfd = &rctx.bfd;
- char *wbuf; /* write buffer */
- uint32_t wsize; /* write size */
- uint32_t rsize; /* read size */
- uint32_t decrypted_len = 0; /* Decryption output length */
- char ec1[50]; /* Buffer printing huge values */
+ char *wbuf; /* write buffer */
+ uint32_t wsize; /* write size */
+ uint32_t rsize; /* read size */
+ uint32_t decrypted_len = 0; /* Decryption output length */
+ char ec1[50]; /* Buffer printing huge values */
rsize = buflen;
jcr->ReadBytes += rsize;
if (flags & FO_ENCRYPT) {
ASSERT(cipher_ctx->cipher);
- /* NOTE: We must implement block preserving semantics for the
- * non-streaming compression and sparse code. */
-
/*
+ * NOTE: We must implement block preserving semantics for the
+ * non-streaming compression and sparse code.
+ *
* Grow the crypto buffer, if necessary.
* crypto_cipher_update() will process only whole blocks,
* buffering the remaining input.
cipher_ctx->buf = check_pool_memory_size(cipher_ctx->buf,
cipher_ctx->buf_len + wsize + cipher_ctx->block_size);
- /* Decrypt the input block */
+ /*
+ * Decrypt the input block
+ */
if (!crypto_cipher_update(cipher_ctx->cipher,
(const u_int8_t *)wbuf,
wsize,
(u_int8_t *)&cipher_ctx->buf[cipher_ctx->buf_len],
&decrypted_len)) {
- /* Decryption failed. Shouldn't happen. */
+ /*
+ * Decryption failed. Shouldn't happen.
+ */
Jmsg(jcr, M_FATAL, 0, _("Decryption error\n"));
goto bail_out;
}
if (decrypted_len == 0) {
- /* No full block of encrypted data available, write more data */
+ /*
+ * No full block of encrypted data available, write more data
+ */
return 0;
}
cipher_ctx->buf_len += decrypted_len;
wbuf = cipher_ctx->buf;
- /* If one full preserved block is available, write it to disk,
+ /*
+ * If one full preserved block is available, write it to disk,
* and then buffer any remaining data. This should be effecient
* as long as Bacula's block size is not significantly smaller than the
- * encryption block size (extremely unlikely!) */
+ * encryption block size (extremely unlikely!)
+ */
unser_crypto_packet_len(cipher_ctx);
Dmsg1(500, "Crypto unser block size=%d\n", cipher_ctx->packet_len - CRYPTO_LEN_SIZE);
if (cipher_ctx->packet_len == 0 || cipher_ctx->buf_len < cipher_ctx->packet_len) {
- /* No full preserved block is available. */
+ /*
+ * No full preserved block is available.
+ */
return 0;
}
- /* We have one full block, set up the filter input buffers */
+ /*
+ * We have one full block, set up the filter input buffers
+ */
wsize = cipher_ctx->packet_len - CRYPTO_LEN_SIZE;
wbuf = &wbuf[CRYPTO_LEN_SIZE]; /* Skip the block length header */
cipher_ctx->buf_len -= cipher_ctx->packet_len;
*addr += wsize;
Dmsg2(130, "Write %u bytes, JobBytes=%s\n", wsize, edit_uint64(jcr->JobBytes, ec1));
- /* Clean up crypto buffers */
+ /*
+ * Clean up crypto buffers
+ */
if (flags & FO_ENCRYPT) {
/* Move any remaining data to start of buffer */
if (cipher_ctx->buf_len > 0) {
memmove(cipher_ctx->buf, &cipher_ctx->buf[cipher_ctx->packet_len],
cipher_ctx->buf_len);
}
- /* The packet was successfully written, reset the length so that the next
- * packet length may be re-read by unser_crypto_packet_len() */
+ /*
+ * The packet was successfully written, reset the length so that the next
+ * packet length may be re-read by unser_crypto_packet_len()
+ */
cipher_ctx->packet_len = 0;
}
return wsize;
bail_out:
- rctx.extract = false;
return -1;
-
}
}
rctx.extract = false;
- /* Verify the cryptographic signature, if any */
+ /*
+ * Verify the cryptographic signature, if any
+ */
rctx.type = rctx.attr->type;
verify_signature(rctx.jcr, rctx);
- /* Free Signature */
+ /*
+ * Free Signature
+ */
free_signature(rctx);
free_session(rctx);
rctx.jcr->ff->flags = 0;
bool second_pass = false;
again:
- /* Write out the remaining block and free the cipher context */
+ /*
+ * Write out the remaining block and free the cipher context
+ */
cipher_ctx->buf = check_pool_memory_size(cipher_ctx->buf, cipher_ctx->buf_len +
- cipher_ctx->block_size);
+ cipher_ctx->block_size);
if (!crypto_cipher_finalize(cipher_ctx->cipher, (uint8_t *)&cipher_ctx->buf[cipher_ctx->buf_len],
&decrypted_len)) {
- /* Writing out the final, buffered block failed. Shouldn't happen. */
+ /*
+ * Writing out the final, buffered block failed. Shouldn't happen.
+ */
Jmsg3(jcr, M_ERROR, 0, _("Decryption error. buf_len=%d decrypt_len=%d on file %s\n"),
cipher_ctx->buf_len, decrypted_len, jcr->last_fname);
}
Dmsg2(130, "Flush decrypt len=%d buf_len=%d\n", decrypted_len, cipher_ctx->buf_len);
- /* If nothing new was decrypted, and our output buffer is empty, return */
+ /*
+ * If nothing new was decrypted, and our output buffer is empty, return
+ */
if (decrypted_len == 0 && cipher_ctx->buf_len == 0) {
return true;
}
unser_crypto_packet_len(cipher_ctx);
Dmsg1(500, "Crypto unser block size=%d\n", cipher_ctx->packet_len - CRYPTO_LEN_SIZE);
wsize = cipher_ctx->packet_len - CRYPTO_LEN_SIZE;
- wbuf = &cipher_ctx->buf[CRYPTO_LEN_SIZE]; /* Decrypted, possibly decompressed output here. */
+ /*
+ * Decrypted, possibly decompressed output here.
+ */
+ wbuf = &cipher_ctx->buf[CRYPTO_LEN_SIZE];
cipher_ctx->buf_len -= cipher_ctx->packet_len;
Dmsg2(130, "Encryption writing full block, %u bytes, remaining %u bytes in buffer\n", wsize, cipher_ctx->buf_len);
jcr->JobBytes += wsize;
Dmsg2(130, "Flush write %u bytes, JobBytes=%s\n", wsize, edit_uint64(jcr->JobBytes, ec1));
- /* Move any remaining data to start of buffer */
+ /*
+ * Move any remaining data to start of buffer
+ */
if (cipher_ctx->buf_len > 0) {
Dmsg1(130, "Moving %u buffered bytes to start of buffer\n", cipher_ctx->buf_len);
memmove(cipher_ctx->buf, &cipher_ctx->buf[cipher_ctx->packet_len],
cipher_ctx->buf_len);
}
- /* The packet was successfully written, reset the length so that the next
- * packet length may be re-read by unser_crypto_packet_len() */
+ /*
+ * The packet was successfully written, reset the length so that the next
+ * packet length may be re-read by unser_crypto_packet_len()
+ */
cipher_ctx->packet_len = 0;
if (cipher_ctx->buf_len >0 && !second_pass) {
goto again;
}
- /* Stop decryption */
+ /*
+ * Stop decryption
+ */
cipher_ctx->buf_len = 0;
cipher_ctx->packet_len = 0;
static void deallocate_cipher(r_ctx &rctx)
{
- /* Flush and deallocate previous stream's cipher context */
+ /*
+ * Flush and deallocate previous stream's cipher context
+ */
if (rctx.cipher_ctx.cipher) {
flush_cipher(rctx.jcr, &rctx.bfd, &rctx.fileAddr, rctx.flags, &rctx.cipher_ctx);
crypto_cipher_free(rctx.cipher_ctx.cipher);
static void deallocate_fork_cipher(r_ctx &rctx)
{
- /* Flush and deallocate previous stream's fork cipher context */
+ /*
+ * Flush and deallocate previous stream's fork cipher context
+ */
if (rctx.fork_cipher_ctx.cipher) {
flush_cipher(rctx.jcr, &rctx.forkbfd, &rctx.fork_addr, rctx.fork_flags, &rctx.fork_cipher_ctx);
crypto_cipher_free(rctx.fork_cipher_ctx.cipher);
}
-/* This code if implemented goes above */
+/*
+ * This code if implemented goes above
+ */
#ifdef stbernard_implemented
/ #if defined(HAVE_WIN32)
bool bResumeOfmOnExit = FALSE;
projects / bacula / bacula / blobdiff