*
*/
/*
- Copyright (C) 2000-2003 Kern Sibbald and John Walker
+ Copyright (C) 2003-2006 Kern Sibbald
This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
+ modify it under the terms of the GNU General Public License
+ version 2 as amended with additional clauses defined in the
+ file LICENSE in the main source directory.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
- 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 along with this program; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ the file LICENSE for additional details.
*/
#include "bacula.h"
#include "find.h"
-#ifdef HAVE_CYGWIN
+bool (*python_set_prog)(JCR *jcr, const char *prog) = NULL;
+int (*python_open)(BFILE *bfd, const char *fname, int flags, mode_t mode) = NULL;
+int (*python_close)(BFILE *bfd) = NULL;
+ssize_t (*python_read)(BFILE *bfd, void *buf, size_t count) = NULL;
+ssize_t (*python_write)(BFILE *bfd, void *buf, size_t count) = NULL;
+
+#ifdef HAVE_DARWIN_OS
+#include <sys/paths.h>
+#endif
+
+/* ===============================================================
+ *
+ * U N I X AND W I N D O W S
+ *
+ * ===============================================================
+ */
+
+bool is_win32_stream(int stream)
+{
+ switch (stream) {
+ case STREAM_WIN32_DATA:
+ case STREAM_WIN32_GZIP_DATA:
+ case STREAM_ENCRYPTED_WIN32_DATA:
+ case STREAM_ENCRYPTED_WIN32_GZIP_DATA:
+ return true;
+ }
+ return false;
+}
+
+const char *stream_to_ascii(int stream)
+{
+ static char buf[20];
+
+ switch (stream) {
+ case STREAM_GZIP_DATA:
+ return _("GZIP data");
+ case STREAM_SPARSE_GZIP_DATA:
+ return _("GZIP sparse data");
+ case STREAM_WIN32_DATA:
+ return _("Win32 data");
+ case STREAM_WIN32_GZIP_DATA:
+ return _("Win32 GZIP data");
+ case STREAM_UNIX_ATTRIBUTES:
+ return _("File attributes");
+ case STREAM_FILE_DATA:
+ return _("File data");
+ case STREAM_MD5_DIGEST:
+ return _("MD5 digest");
+ case STREAM_UNIX_ATTRIBUTES_EX:
+ return _("Extended attributes");
+ case STREAM_SPARSE_DATA:
+ return _("Sparse data");
+ case STREAM_PROGRAM_NAMES:
+ return _("Program names");
+ case STREAM_PROGRAM_DATA:
+ return _("Program data");
+ case STREAM_SHA1_DIGEST:
+ return _("SHA1 digest");
+ case STREAM_MACOS_FORK_DATA:
+ return _("HFS+ resource fork");
+ case STREAM_HFSPLUS_ATTRIBUTES:
+ return _("HFS+ Finder Info");
+ case STREAM_SHA256_DIGEST:
+ return _("SHA256 digest");
+ case STREAM_SHA512_DIGEST:
+ return _("SHA512 digest");
+ case STREAM_SIGNED_DIGEST:
+ return _("Signed digest");
+ case STREAM_ENCRYPTED_FILE_DATA:
+ return _("Encrypted File data");
+ case STREAM_ENCRYPTED_FILE_GZIP_DATA:
+ return _("Encrypted GZIP data");
+ case STREAM_ENCRYPTED_WIN32_DATA:
+ return _("Encrypted Win32 data");
+ case STREAM_ENCRYPTED_WIN32_GZIP_DATA:
+ return _("Encrypted Win32 GZIP data");
+ case STREAM_ENCRYPTED_MACOS_FORK_DATA:
+ return _("Encrypted HFS+ resource fork");
+ default:
+ sprintf(buf, "%d", stream);
+ return (const char *)buf;
+ }
+}
+
+
+void int64_LE2BE(int64_t* pBE, const int64_t v)
+{
+ /* convert little endian to big endian */
+ if (htonl(1) != 1L) { /* no work if on little endian machine */
+ memcpy(pBE, &v, sizeof(int64_t));
+ } else {
+ int i;
+ uint8_t rv[sizeof(int64_t)];
+ uint8_t *pv = (uint8_t *) &v;
+
+ for (i = 0; i < 8; i++) {
+ rv[i] = pv[7 - i];
+ }
+ memcpy(pBE, &rv, sizeof(int64_t));
+ }
+}
+
+
+void int32_LE2BE(int32_t* pBE, const int32_t v)
+{
+ /* convert little endian to big endian */
+ if (htonl(1) != 1L) { /* no work if on little endian machine */
+ memcpy(pBE, &v, sizeof(int32_t));
+ } else {
+ int i;
+ uint8_t rv[sizeof(int32_t)];
+ uint8_t *pv = (uint8_t *) &v;
+
+ for (i = 0; i < 4; i++) {
+ rv[i] = pv[3 - i];
+ }
+ memcpy(pBE, &rv, sizeof(int32_t));
+ }
+}
+
+
+bool processWin32BackupAPIBlock (BFILE *bfd, void *pBuffer, ssize_t dwSize)
+{
+ /* pByte contains the buffer
+ dwSize the len to be processed. function assumes to be
+ called in successive incremental order over the complete
+ BackupRead stream beginning at pos 0 and ending at the end.
+ */
+
+ PROCESS_WIN32_BACKUPAPIBLOCK_CONTEXT* pContext = &(bfd->win32DecompContext);
+ bool bContinue = false;
+ int64_t dwDataOffset = 0;
+ int64_t dwDataLen;
+
+ /* Win32 Stream Header size without name of stream.
+ * = sizeof (WIN32_STREAM_ID)- sizeof(WCHAR*);
+ */
+ int32_t dwSizeHeader = 20;
+
+ do {
+ if (pContext->liNextHeader >= dwSize) {
+ dwDataLen = dwSize-dwDataOffset;
+ bContinue = false; /* 1 iteration is enough */
+ }
+ else {
+ dwDataLen = pContext->liNextHeader-dwDataOffset;
+ bContinue = true; /* multiple iterations may be necessary */
+ }
+
+ /* flush */
+ /* copy block of real DATA */
+ if (pContext->bIsInData) {
+ if (bwrite(bfd, ((char *)pBuffer)+dwDataOffset, dwDataLen) != (ssize_t)dwDataLen)
+ return false;
+ }
+
+ if (pContext->liNextHeader < dwSize) {/* is a header in this block ? */
+ int32_t dwOffsetTarget;
+ int32_t dwOffsetSource;
+
+ if (pContext->liNextHeader < 0) {
+ /* start of header was before this block, so we
+ * continue with the part in the current block
+ */
+ dwOffsetTarget = -pContext->liNextHeader;
+ dwOffsetSource = 0;
+ } else {
+ /* start of header is inside of this block */
+ dwOffsetTarget = 0;
+ dwOffsetSource = pContext->liNextHeader;
+ }
+
+ int32_t dwHeaderPartLen = dwSizeHeader-dwOffsetTarget;
+ bool bHeaderIsComplete;
+
+ if (dwHeaderPartLen <= dwSize-dwOffsetSource)
+ /* header (or rest of header) is completely available
+ in current block
+ */
+ bHeaderIsComplete = true;
+ else {
+ /* header will continue in next block */
+ bHeaderIsComplete = false;
+ dwHeaderPartLen = dwSize-dwOffsetSource;
+ }
+
+ /* copy the available portion of header to persistent copy */
+ memcpy(((char *)&pContext->header_stream)+dwOffsetTarget, ((char *)pBuffer)+dwOffsetSource, dwHeaderPartLen);
+
+ /* recalculate position of next header */
+ if (bHeaderIsComplete) {
+ /* convert stream name size (32 bit little endian) to machine type */
+ int32_t dwNameSize;
+ int32_LE2BE (&dwNameSize, pContext->header_stream.dwStreamNameSize);
+ dwDataOffset = dwNameSize+pContext->liNextHeader+dwSizeHeader;
+
+ /* convert stream size (64 bit little endian) to machine type */
+ int64_LE2BE (&(pContext->liNextHeader), pContext->header_stream.Size);
+ pContext->liNextHeader += dwDataOffset;
+
+ pContext->bIsInData = pContext->header_stream.dwStreamId == WIN32_BACKUP_DATA;
+ if (dwDataOffset == dwSize)
+ bContinue = false;
+ }
+ else {
+ /* stop and continue with next block */
+ bContinue = false;
+ pContext->bIsInData = false;
+ }
+ }
+ } while (bContinue);
+
+ /* set "NextHeader" relative to the beginning of the next block */
+ pContext->liNextHeader-= dwSize;
+
+ return TRUE;
+}
+
+
+
+/* ===============================================================
+ *
+ * W I N D O W S
+ *
+ * ===============================================================
+ */
+
+#if defined(HAVE_CYGWIN) || defined(HAVE_WIN32)
void unix_name_to_win32(POOLMEM **win32_name, char *name);
extern "C" HANDLE get_osfhandle(int fd);
+
void binit(BFILE *bfd)
{
+ memset(bfd, 0, sizeof(BFILE));
bfd->fid = -1;
bfd->mode = BF_CLOSED;
- bfd->use_win_api = 1;
- bfd->use_backup_api = p_BackupRead && p_BackupWrite;
- bfd->errmsg = NULL;
- bfd->lpContext = NULL;
- bfd->lerror = 0;
+ bfd->use_backup_api = have_win32_api();
}
/*
- * Enables/disables using the Backup API (win32_data).
+ * Enables using the Backup API (win32_data).
* Returns 1 if function worked
* Returns 0 if failed (i.e. do not have Backup API on this machine)
*/
-int set_win32_data(BFILE *bfd, int enable)
+bool set_win32_backup(BFILE *bfd)
{
- if (!enable) {
- bfd->use_backup_api = 0;
- return 1;
- }
/* We enable if possible here */
- bfd->use_backup_api = p_BackupRead && p_BackupWrite;
+ bfd->use_backup_api = have_win32_api();
return bfd->use_backup_api;
}
-int is_win32_data(BFILE *bfd)
+
+bool set_portable_backup(BFILE *bfd)
{
- return bfd->use_backup_api;
+ bfd->use_backup_api = false;
+ return true;
}
-HANDLE bget_handle(BFILE *bfd)
+bool set_prog(BFILE *bfd, char *prog, JCR *jcr)
+{
+ bfd->prog = prog;
+ bfd->jcr = jcr;
+ return false;
+}
+
+/*
+ * Return 1 if we are NOT using Win32 BackupWrite()
+ * return 0 if are
+ */
+bool is_portable_backup(BFILE *bfd)
+{
+ return !bfd->use_backup_api;
+}
+
+bool have_win32_api()
{
- if (!bfd->use_win_api) {
- return get_osfhandle(bfd->fid);
+ return p_BackupRead && p_BackupWrite;
+}
+
+
+
+/*
+ * Return true if we support the stream
+ * false if we do not support the stream
+ *
+ * This code is running under Win32, so we
+ * do not need #ifdef on MACOS ...
+ */
+bool is_restore_stream_supported(int stream)
+{
+ switch (stream) {
+
+/* Streams known not to be supported */
+#ifndef HAVE_LIBZ
+ case STREAM_GZIP_DATA:
+ case STREAM_SPARSE_GZIP_DATA:
+ case STREAM_WIN32_GZIP_DATA:
+#endif
+ case STREAM_MACOS_FORK_DATA:
+ case STREAM_HFSPLUS_ATTRIBUTES:
+ case STREAM_ENCRYPTED_MACOS_FORK_DATA:
+ return false;
+
+ /* Known streams */
+#ifdef HAVE_LIBZ
+ case STREAM_GZIP_DATA:
+ case STREAM_SPARSE_GZIP_DATA:
+ case STREAM_WIN32_GZIP_DATA:
+#endif
+ case STREAM_WIN32_DATA:
+ case STREAM_UNIX_ATTRIBUTES:
+ case STREAM_FILE_DATA:
+ case STREAM_MD5_DIGEST:
+ case STREAM_UNIX_ATTRIBUTES_EX:
+ case STREAM_SPARSE_DATA:
+ case STREAM_PROGRAM_NAMES:
+ case STREAM_PROGRAM_DATA:
+ case STREAM_SHA1_DIGEST:
+#ifdef HAVE_SHA2
+ case STREAM_SHA256_DIGEST:
+ case STREAM_SHA512_DIGEST:
+#endif
+#ifdef HAVE_CRYPTO
+ case STREAM_SIGNED_DIGEST:
+ case STREAM_ENCRYPTED_FILE_DATA:
+ case STREAM_ENCRYPTED_FILE_GZIP_DATA:
+ case STREAM_ENCRYPTED_WIN32_DATA:
+ case STREAM_ENCRYPTED_WIN32_GZIP_DATA:
+#endif
+ case 0: /* compatibility with old tapes */
+ return true;
}
+ return false;
+}
+
+HANDLE bget_handle(BFILE *bfd)
+{
return bfd->fh;
}
int bopen(BFILE *bfd, const char *fname, int flags, mode_t mode)
{
POOLMEM *win32_fname;
+ POOLMEM *win32_fname_wchar;
- if (!bfd->use_win_api) {
- bfd->fid = open(fname, flags, mode);
- if (bfd->fid >= 0) {
- bfd->mode = BF_READ; /* not important if BF_READ or BF_WRITE */
- }
- return bfd->fid;
- }
+ DWORD dwaccess, dwflags, dwshare;
/* Convert to Windows path format */
win32_fname = get_pool_memory(PM_FNAME);
+ win32_fname_wchar = get_pool_memory(PM_FNAME);
+
unix_name_to_win32(&win32_fname, (char *)fname);
- if (flags & O_WRONLY) { /* creating */
- bfd->fh = CreateFile(win32_fname,
- FILE_ALL_ACCESS|WRITE_DAC|ACCESS_SYSTEM_SECURITY, /* access */
- 0,
- NULL, /* SecurityAttributes */
- CREATE_ALWAYS, /* CreationDisposition */
- FILE_ATTRIBUTE_NORMAL|FILE_FLAG_BACKUP_SEMANTICS, /* Flags and attributes */
- NULL); /* TemplateFile */
-
- if (bfd->fh == INVALID_HANDLE_VALUE) {
- bfd->lerror = GetLastError();
- bfd->mode = BF_CLOSED;
+ if (!(p_CreateFileA || p_CreateFileW))
+ return 0;
+
+ if (p_CreateFileW && p_MultiByteToWideChar)
+ make_win32_path_UTF8_2_wchar(&win32_fname_wchar, fname);
+
+ if (flags & O_CREAT) { /* Create */
+ if (bfd->use_backup_api) {
+ dwaccess = GENERIC_WRITE|FILE_ALL_ACCESS|WRITE_OWNER|WRITE_DAC|ACCESS_SYSTEM_SECURITY;
+ dwflags = FILE_FLAG_BACKUP_SEMANTICS;
} else {
- bfd->mode = BF_WRITE;
+ dwaccess = GENERIC_WRITE;
+ dwflags = 0;
}
- } else {
- bfd->fh = CreateFile(win32_fname,
- GENERIC_READ|ACCESS_SYSTEM_SECURITY, /* access */
- FILE_SHARE_READ, /* shared mode */
- NULL, /* SecurityAttributes */
- OPEN_EXISTING, /* CreationDisposition */
- FILE_FLAG_BACKUP_SEMANTICS, /* Flags and attributes */
- NULL); /* TemplateFile */
-
- if (bfd->fh == INVALID_HANDLE_VALUE) {
- bfd->lerror = GetLastError();
- bfd->mode = BF_CLOSED;
+
+ // unicode or ansii open for create write
+ if (p_CreateFileW && p_MultiByteToWideChar) {
+ bfd->fh = p_CreateFileW((LPCWSTR)win32_fname_wchar,
+ dwaccess, /* Requested access */
+ 0, /* Shared mode */
+ NULL, /* SecurityAttributes */
+ CREATE_ALWAYS, /* CreationDisposition */
+ dwflags, /* Flags and attributes */
+ NULL); /* TemplateFile */
+ } else {
+ bfd->fh = p_CreateFileA(win32_fname,
+ dwaccess, /* Requested access */
+ 0, /* Shared mode */
+ NULL, /* SecurityAttributes */
+ CREATE_ALWAYS, /* CreationDisposition */
+ dwflags, /* Flags and attributes */
+ NULL); /* TemplateFile */
+ }
+
+ bfd->mode = BF_WRITE;
+
+ } else if (flags & O_WRONLY) { /* Open existing for write */
+ if (bfd->use_backup_api) {
+ dwaccess = GENERIC_WRITE|WRITE_OWNER|WRITE_DAC;
+ dwflags = FILE_FLAG_BACKUP_SEMANTICS;
} else {
- bfd->mode = BF_READ;
+ dwaccess = GENERIC_WRITE;
+ dwflags = 0;
}
+
+ // unicode or ansii open for open existing write
+ if (p_CreateFileW && p_MultiByteToWideChar) {
+ bfd->fh = p_CreateFileW((LPCWSTR)win32_fname_wchar,
+ dwaccess, /* Requested access */
+ 0, /* Shared mode */
+ NULL, /* SecurityAttributes */
+ OPEN_EXISTING, /* CreationDisposition */
+ dwflags, /* Flags and attributes */
+ NULL); /* TemplateFile */
+ } else {
+ bfd->fh = p_CreateFileA(win32_fname,
+ dwaccess, /* Requested access */
+ 0, /* Shared mode */
+ NULL, /* SecurityAttributes */
+ OPEN_EXISTING, /* CreationDisposition */
+ dwflags, /* Flags and attributes */
+ NULL); /* TemplateFile */
+
+ }
+
+ bfd->mode = BF_WRITE;
+
+ } else { /* Read */
+ if (bfd->use_backup_api) {
+ dwaccess = GENERIC_READ|READ_CONTROL|ACCESS_SYSTEM_SECURITY;
+ dwflags = FILE_FLAG_BACKUP_SEMANTICS;
+ dwshare = FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE;
+ } else {
+ dwaccess = GENERIC_READ;
+ dwflags = 0;
+ dwshare = FILE_SHARE_READ|FILE_SHARE_WRITE;
+ }
+
+ // unicode or ansii open for open existing read
+ if (p_CreateFileW && p_MultiByteToWideChar) {
+ bfd->fh = p_CreateFileW((LPCWSTR)win32_fname_wchar,
+ dwaccess, /* Requested access */
+ dwshare, /* Share modes */
+ NULL, /* SecurityAttributes */
+ OPEN_EXISTING, /* CreationDisposition */
+ dwflags, /* Flags and attributes */
+ NULL); /* TemplateFile */
+ } else {
+ bfd->fh = p_CreateFileA(win32_fname,
+ dwaccess, /* Requested access */
+ dwshare, /* Share modes */
+ NULL, /* SecurityAttributes */
+ OPEN_EXISTING, /* CreationDisposition */
+ dwflags, /* Flags and attributes */
+ NULL); /* TemplateFile */
+ }
+
+ bfd->mode = BF_READ;
+ }
+
+ if (bfd->fh == INVALID_HANDLE_VALUE) {
+ bfd->lerror = GetLastError();
+ bfd->berrno = b_errno_win32;
+ errno = b_errno_win32;
+ bfd->mode = BF_CLOSED;
}
bfd->errmsg = NULL;
bfd->lpContext = NULL;
+ bfd->win32DecompContext.bIsInData = false;
+ bfd->win32DecompContext.liNextHeader = 0;
+ free_pool_memory(win32_fname_wchar);
+ free_pool_memory(win32_fname);
return bfd->mode == BF_CLOSED ? -1 : 1;
}
-/*
+/*
* Returns 0 on success
- * -1 on error
+ * -1 on error
*/
int bclose(BFILE *bfd)
-{
+{
int stat = 0;
- if (!bfd->use_win_api) {
- int stat = close(bfd->fid);
- bfd->fid = -1;
- bfd->mode = BF_CLOSED;
- return stat;
- }
+
if (bfd->errmsg) {
free_pool_memory(bfd->errmsg);
bfd->errmsg = NULL;
}
if (bfd->use_backup_api && bfd->mode == BF_READ) {
BYTE buf[10];
- if (!bfd->lpContext && !p_BackupRead(bfd->fh,
- buf, /* buffer */
- (DWORD)0, /* bytes to read */
- &bfd->rw_bytes, /* bytes read */
- 1, /* Abort */
- 1, /* ProcessSecurity */
- &bfd->lpContext)) { /* Read context */
- stat = -1;
- }
+ if (!bfd->lpContext && !p_BackupRead(bfd->fh,
+ buf, /* buffer */
+ (DWORD)0, /* bytes to read */
+ &bfd->rw_bytes, /* bytes read */
+ 1, /* Abort */
+ 1, /* ProcessSecurity */
+ &bfd->lpContext)) { /* Read context */
+ errno = b_errno_win32;
+ stat = -1;
+ }
} else if (bfd->use_backup_api && bfd->mode == BF_WRITE) {
BYTE buf[10];
- if (!bfd->lpContext && !p_BackupWrite(bfd->fh,
- buf, /* buffer */
- (DWORD)0, /* bytes to read */
- &bfd->rw_bytes, /* bytes written */
- 1, /* Abort */
- 1, /* ProcessSecurity */
- &bfd->lpContext)) { /* Write context */
- stat = -1;
- }
+ if (!bfd->lpContext && !p_BackupWrite(bfd->fh,
+ buf, /* buffer */
+ (DWORD)0, /* bytes to read */
+ &bfd->rw_bytes, /* bytes written */
+ 1, /* Abort */
+ 1, /* ProcessSecurity */
+ &bfd->lpContext)) { /* Write context */
+ errno = b_errno_win32;
+ stat = -1;
+ }
}
if (!CloseHandle(bfd->fh)) {
stat = -1;
+ errno = b_errno_win32;
}
bfd->mode = BF_CLOSED;
bfd->lpContext = NULL;
return stat;
}
-/*
- * Generate error message
- */
-char *berror(BFILE *bfd)
-{
- LPTSTR msg;
-
- if (!bfd->use_win_api) {
- return strerror(errno);
- }
- FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|
- FORMAT_MESSAGE_FROM_SYSTEM,
- NULL,
- bfd->lerror,
- 0,
- (LPTSTR)&msg,
- 0,
- NULL);
- strip_trailing_junk(msg);
- if (!bfd->errmsg) {
- bfd->errmsg = get_pool_memory(PM_FNAME);
- }
- pm_strcpy(&bfd->errmsg, msg);
- LocalFree(msg);
- return bfd->errmsg;
-}
-
/* Returns: bytes read on success
- * 0 on EOF
- * -1 on error
+ * 0 on EOF
+ * -1 on error
*/
ssize_t bread(BFILE *bfd, void *buf, size_t count)
{
- if (!bfd->use_win_api) {
- return read(bfd->fid, buf, count);
- }
bfd->rw_bytes = 0;
if (bfd->use_backup_api) {
if (!p_BackupRead(bfd->fh,
- (BYTE *)buf,
- count,
- &bfd->rw_bytes,
- 0, /* no Abort */
- 1, /* Process Security */
- &bfd->lpContext)) { /* Context */
- bfd->lerror = GetLastError();
- return -1;
+ (BYTE *)buf,
+ count,
+ &bfd->rw_bytes,
+ 0, /* no Abort */
+ 1, /* Process Security */
+ &bfd->lpContext)) { /* Context */
+ bfd->lerror = GetLastError();
+ bfd->berrno = b_errno_win32;
+ errno = b_errno_win32;
+ return -1;
}
} else {
if (!ReadFile(bfd->fh,
- buf,
- count,
- &bfd->rw_bytes,
- NULL)) {
- bfd->lerror = GetLastError();
- return -1;
+ buf,
+ count,
+ &bfd->rw_bytes,
+ NULL)) {
+ bfd->lerror = GetLastError();
+ bfd->berrno = b_errno_win32;
+ errno = b_errno_win32;
+ return -1;
}
}
ssize_t bwrite(BFILE *bfd, void *buf, size_t count)
{
- if (!bfd->use_win_api) {
- return write(bfd->fid, buf, count);
- }
bfd->rw_bytes = 0;
if (bfd->use_backup_api) {
if (!p_BackupWrite(bfd->fh,
- (BYTE *)buf,
- count,
- &bfd->rw_bytes,
- 0, /* No abort */
- 1, /* Process Security */
- &bfd->lpContext)) { /* Context */
- bfd->lerror = GetLastError();
- return -1;
+ (BYTE *)buf,
+ count,
+ &bfd->rw_bytes,
+ 0, /* No abort */
+ 1, /* Process Security */
+ &bfd->lpContext)) { /* Context */
+ bfd->lerror = GetLastError();
+ bfd->berrno = b_errno_win32;
+ errno = b_errno_win32;
+ return -1;
}
} else {
if (!WriteFile(bfd->fh,
- buf,
- count,
- &bfd->rw_bytes,
- NULL)) {
- bfd->lerror = GetLastError();
- return -1;
+ buf,
+ count,
+ &bfd->rw_bytes,
+ NULL)) {
+ bfd->lerror = GetLastError();
+ bfd->berrno = b_errno_win32;
+ errno = b_errno_win32;
+ return -1;
}
}
return (ssize_t)bfd->rw_bytes;
}
-int is_bopen(BFILE *bfd)
+bool is_bopen(BFILE *bfd)
{
return bfd->mode != BF_CLOSED;
}
off_t blseek(BFILE *bfd, off_t offset, int whence)
{
- if (!bfd->use_win_api) {
- return lseek(bfd->fid, offset, whence);
- }
+ /* ****FIXME**** this must be implemented if we want to read Win32 Archives */
return -1;
}
#else /* Unix systems */
/* ===============================================================
- *
- * U N I X
+ *
+ * U N I X
*
* ===============================================================
*/
void binit(BFILE *bfd)
{
+ memset(bfd, 0, sizeof(BFILE));
bfd->fid = -1;
}
-int is_win32_data(BFILE *bfd)
+bool have_win32_api()
+{
+ return false; /* no can do */
+}
+
+/*
+ * Enables using the Backup API (win32_data).
+ * Returns true if function worked
+ * Returns false if failed (i.e. do not have Backup API on this machine)
+ */
+bool set_win32_backup(BFILE *bfd)
+{
+ return false; /* no can do */
+}
+
+
+bool set_portable_backup(BFILE *bfd)
+{
+ return true; /* no problem */
+}
+
+/*
+ * Return true if we are writing in portable format
+ * return false if not
+ */
+bool is_portable_backup(BFILE *bfd)
+{
+ return true; /* portable by definition */
+}
+
+bool set_prog(BFILE *bfd, char *prog, JCR *jcr)
{
- return 0;
+#ifdef HAVE_PYTHON
+ if (bfd->prog && strcmp(prog, bfd->prog) == 0) {
+ return true; /* already setup */
+ }
+
+ if (python_set_prog(jcr, prog)) {
+ Dmsg1(000, "Set prog=%s\n", prog);
+ bfd->prog = prog;
+ bfd->jcr = jcr;
+ return true;
+ }
+#endif
+ Dmsg0(000, "No prog set\n");
+ bfd->prog = NULL;
+ return false;
+
}
+/*
+ * This code is running on a non-Win32 machine
+ */
+bool is_restore_stream_supported(int stream)
+{
+ /* No Win32 backup on this machine */
+ switch (stream) {
+#ifndef HAVE_LIBZ
+ case STREAM_GZIP_DATA:
+ case STREAM_SPARSE_GZIP_DATA:
+ case STREAM_WIN32_GZIP_DATA:
+#endif
+#ifndef HAVE_DARWIN_OS
+ case STREAM_MACOS_FORK_DATA:
+ case STREAM_HFSPLUS_ATTRIBUTES:
+#endif
+ return false;
+
+ /* Known streams */
+#ifdef HAVE_LIBZ
+ case STREAM_GZIP_DATA:
+ case STREAM_SPARSE_GZIP_DATA:
+ case STREAM_WIN32_GZIP_DATA:
+#endif
+ case STREAM_WIN32_DATA:
+ case STREAM_UNIX_ATTRIBUTES:
+ case STREAM_FILE_DATA:
+ case STREAM_MD5_DIGEST:
+ case STREAM_UNIX_ATTRIBUTES_EX:
+ case STREAM_SPARSE_DATA:
+ case STREAM_PROGRAM_NAMES:
+ case STREAM_PROGRAM_DATA:
+ case STREAM_SHA1_DIGEST:
+#ifdef HAVE_SHA2
+ case STREAM_SHA256_DIGEST:
+ case STREAM_SHA512_DIGEST:
+#endif
+#ifdef HAVE_CRYPTO
+ case STREAM_SIGNED_DIGEST:
+ case STREAM_ENCRYPTED_FILE_DATA:
+ case STREAM_ENCRYPTED_FILE_GZIP_DATA:
+ case STREAM_ENCRYPTED_WIN32_DATA:
+ case STREAM_ENCRYPTED_WIN32_GZIP_DATA:
+#endif
+#ifdef HAVE_DARWIN_OS
+ case STREAM_MACOS_FORK_DATA:
+ case STREAM_HFSPLUS_ATTRIBUTES:
+#ifdef HAVE_CRYPTO
+ case STREAM_ENCRYPTED_MACOS_FORK_DATA:
+#endif /* HAVE_CRYPTO */
+#endif /* HAVE_DARWIN_OS */
+ case 0: /* compatibility with old tapes */
+ return true;
+
+ }
+ return false;
+}
int bopen(BFILE *bfd, const char *fname, int flags, mode_t mode)
{
+ /* Open reader/writer program */
+ if (bfd->prog) {
+ Dmsg1(000, "Open file %d\n", bfd->fid);
+ return python_open(bfd, fname, flags, mode);
+ }
+
+ /* Normal file open */
+ Dmsg1(400, "open file %s\n", fname);
bfd->fid = open(fname, flags, mode);
bfd->berrno = errno;
+ Dmsg1(400, "Open file %d\n", bfd->fid);
+ errno = bfd->berrno;
+
+ bfd->win32DecompContext.bIsInData = false;
+ bfd->win32DecompContext.liNextHeader = 0;
+
return bfd->fid;
}
+#ifdef HAVE_DARWIN_OS
+/* Open the resource fork of a file. */
+int bopen_rsrc(BFILE *bfd, const char *fname, int flags, mode_t mode)
+{
+ POOLMEM *rsrc_fname;
+
+ rsrc_fname = get_pool_memory(PM_FNAME);
+ pm_strcpy(rsrc_fname, fname);
+ pm_strcat(rsrc_fname, _PATH_RSRCFORKSPEC);
+ bopen(bfd, rsrc_fname, flags, mode);
+ free_pool_memory(rsrc_fname);
+ return bfd->fid;
+}
+#endif
+
+
int bclose(BFILE *bfd)
-{
- int stat = close(bfd->fid);
+{
+ int stat;
+
+ Dmsg1(400, "Close file %d\n", bfd->fid);
+
+ /* Close reader/writer program */
+ if (bfd->prog) {
+ return python_close(bfd);
+ }
+
+ if (bfd->fid == -1) {
+ return 0;
+ }
+
+ /* Close normal file */
+ stat = close(bfd->fid);
bfd->berrno = errno;
bfd->fid = -1;
return stat;
ssize_t bread(BFILE *bfd, void *buf, size_t count)
{
ssize_t stat;
+
+ if (bfd->prog) {
+ return python_read(bfd, buf, count);
+ }
stat = read(bfd->fid, buf, count);
bfd->berrno = errno;
return stat;
ssize_t bwrite(BFILE *bfd, void *buf, size_t count)
{
ssize_t stat;
+
+ if (bfd->prog) {
+ return python_write(bfd, buf, count);
+ }
stat = write(bfd->fid, buf, count);
bfd->berrno = errno;
return stat;
}
-int is_bopen(BFILE *bfd)
+bool is_bopen(BFILE *bfd)
{
return bfd->fid >= 0;
}
return pos;
}
-char *berror(BFILE *bfd)
-{
- return strerror(bfd->berrno);
-}
-
#endif
projects / bacula / bacula / blobdiff