*
*/
/*
- Copyright (C) 2000-2003 Kern Sibbald and John Walker
+ Copyright (C) 2003-2004 Kern Sibbald and John Walker
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
#include "bacula.h"
#include "find.h"
-#ifdef HAVE_CYGWIN
+#ifdef HAVE_DARWIN_OS
+#include <sys/paths.h>
+#endif
+
+/* ===============================================================
+ *
+ * U N I X AND W I N D O W S
+ *
+ * ===============================================================
+ */
+
+int is_win32_stream(int stream)
+{
+ switch (stream) {
+ case STREAM_WIN32_DATA:
+ case STREAM_WIN32_GZIP_DATA:
+ return 1;
+ }
+ return 0;
+}
+
+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_SIGNATURE:
+ return "MD5 signature";
+ 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_SIGNATURE:
+ return "SHA1 signature";
+ case STREAM_MACOS_FORK_DATA:
+ return "HFS+ resource fork";
+ case STREAM_HFSPLUS_ATTRIBUTES:
+ return "HFS+ Finder Info";
+ default:
+ sprintf(buf, "%d", stream);
+ return (const char *)buf;
+ }
+}
+
+
+
+/* ===============================================================
+ *
+ * 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)
+int 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)
+
+int set_portable_backup(BFILE *bfd)
{
- return bfd->use_backup_api;
+ bfd->use_backup_api = 0;
+ return 1;
}
-HANDLE bget_handle(BFILE *bfd)
+void set_prog(BFILE *bfd, char *prog, JCR *jcr)
{
- if (!bfd->use_win_api) {
- return get_osfhandle(bfd->fid);
+ bfd->prog = prog;
+ bfd->jcr = jcr;
+}
+
+/*
+ * Return 1 if we are NOT using Win32 BackupWrite()
+ * return 0 if are
+ */
+int is_portable_backup(BFILE *bfd)
+{
+ return !bfd->use_backup_api;
+}
+
+int have_win32_api()
+{
+ return p_BackupRead && p_BackupWrite;
+}
+
+
+
+/*
+ * Return 1 if we support the stream
+ * 0 if we do not support the stream
+ */
+int is_stream_supported(int stream)
+{
+ /* No Win32 backup on this machine */
+ switch (stream) {
+#ifndef HAVE_LIBZ
+ case STREAM_GZIP_DATA:
+ case STREAM_SPARSE_GZIP_DATA:
+ return 0;
+#endif
+ case STREAM_WIN32_DATA:
+ case STREAM_WIN32_GZIP_DATA:
+ return have_win32_api();
+
+ /* Known streams */
+#ifdef HAVE_LIBZ
+ case STREAM_GZIP_DATA:
+ case STREAM_SPARSE_GZIP_DATA:
+#endif
+ case STREAM_UNIX_ATTRIBUTES:
+ case STREAM_FILE_DATA:
+ case STREAM_MD5_SIGNATURE:
+ case STREAM_UNIX_ATTRIBUTES_EX:
+ case STREAM_SPARSE_DATA:
+ case STREAM_PROGRAM_NAMES:
+ case STREAM_PROGRAM_DATA:
+ case STREAM_SHA1_SIGNATURE:
+#ifdef HAVE_DARWIN_OS
+ case STREAM_MACOS_FORK_DATA:
+ case STREAM_HFSPLUS_ATTRIBUTES:
+#endif
+ case 0: /* compatibility with old tapes */
+ return 1;
}
+ return 0;
+}
+
+HANDLE bget_handle(BFILE *bfd)
+{
return bfd->fh;
}
int bopen(BFILE *bfd, const char *fname, int flags, mode_t mode)
{
POOLMEM *win32_fname;
-
- 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);
unix_name_to_win32(&win32_fname, (char *)fname);
- if (flags & O_WRONLY) { /* creating */
+ 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 {
+ dwaccess = GENERIC_WRITE;
+ dwflags = 0;
+ }
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;
+ 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_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;
+ 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 {
- bfd->mode = BF_READ;
+ dwaccess = GENERIC_READ;
+ dwflags = 0;
+ dwshare = FILE_SHARE_READ|FILE_SHARE_WRITE;
}
+ bfd->fh = CreateFile(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;
+ free_pool_memory(win32_fname);
return bfd->mode == BF_CLOSED ? -1 : 1;
}
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;
1, /* Abort */
1, /* ProcessSecurity */
&bfd->lpContext)) { /* Read context */
+ errno = b_errno_win32;
stat = -1;
}
} else if (bfd->use_backup_api && bfd->mode == BF_WRITE) {
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
*/
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) {
1, /* Process Security */
&bfd->lpContext)) { /* Context */
bfd->lerror = GetLastError();
+ bfd->berrno = b_errno_win32;
+ errno = b_errno_win32;
return -1;
}
} else {
&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) {
1, /* Process Security */
&bfd->lpContext)) { /* Context */
bfd->lerror = GetLastError();
+ bfd->berrno = b_errno_win32;
+ errno = b_errno_win32;
return -1;
}
} else {
&bfd->rw_bytes,
NULL)) {
bfd->lerror = GetLastError();
+ bfd->berrno = b_errno_win32;
+ errno = b_errno_win32;
return -1;
}
}
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;
}
*/
void binit(BFILE *bfd)
{
+ memset(bfd, 0, sizeof(BFILE));
bfd->fid = -1;
}
-int is_win32_data(BFILE *bfd)
+int have_win32_api()
+{
+ return 0; /* no can do */
+}
+
+/*
+ * 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_backup(BFILE *bfd)
{
- return 0;
+ return 0; /* no can do */
}
+int set_portable_backup(BFILE *bfd)
+{
+ return 1; /* no problem */
+}
+
+/*
+ * Return 1 if we are writing in portable format
+ * return 0 if not
+ */
+int is_portable_backup(BFILE *bfd)
+{
+ return 1; /* portable by definition */
+}
+
+void set_prog(BFILE *bfd, char *prog, JCR *jcr)
+{
+ bfd->prog = prog;
+ bfd->jcr = jcr;
+}
+
+
+int is_stream_supported(int stream)
+{
+ /* No Win32 backup on this machine */
+ switch (stream) {
+#ifndef HAVE_LIBZ
+ case STREAM_GZIP_DATA:
+ case STREAM_SPARSE_GZIP_DATA:
+#endif
+ case STREAM_WIN32_DATA:
+ case STREAM_WIN32_GZIP_DATA:
+ return 0;
+
+ /* Known streams */
+#ifdef HAVE_LIBZ
+ case STREAM_GZIP_DATA:
+ case STREAM_SPARSE_GZIP_DATA:
+#endif
+ case STREAM_UNIX_ATTRIBUTES:
+ case STREAM_FILE_DATA:
+ case STREAM_MD5_SIGNATURE:
+ case STREAM_UNIX_ATTRIBUTES_EX:
+ case STREAM_SPARSE_DATA:
+ case STREAM_PROGRAM_NAMES:
+ case STREAM_PROGRAM_DATA:
+ case STREAM_SHA1_SIGNATURE:
+#ifdef HAVE_DARWIN_OS
+ case STREAM_MACOS_FORK_DATA:
+ case STREAM_HFSPLUS_ATTRIBUTES:
+#endif
+ case 0: /* compatibility with old tapes */
+ return 1;
+
+ }
+ return 0;
+}
+
int bopen(BFILE *bfd, const char *fname, int flags, mode_t mode)
{
+ /* Open reader/writer program */
+ if (bfd->prog) {
+ POOLMEM *ecmd = get_pool_memory(PM_FNAME);
+ ecmd = edit_job_codes(bfd->jcr, ecmd, bfd->prog, fname);
+ const char *pmode;
+ if (flags & O_RDONLY) {
+ pmode = "r";
+ } else {
+ pmode = "w";
+ }
+ bfd->bpipe = open_bpipe(ecmd, 0, pmode);
+ if (bfd->bpipe == NULL) {
+ bfd->berrno = errno;
+ bfd->fid = -1;
+ free_pool_memory(ecmd);
+ return -1;
+ }
+ free_pool_memory(ecmd);
+ if (flags & O_RDONLY) {
+ bfd->fid = fileno(bfd->bpipe->rfd);
+ } else {
+ bfd->fid = fileno(bfd->bpipe->wfd);
+ }
+ errno = 0;
+ return bfd->fid;
+ }
+
+ /* Normal file open */
bfd->fid = open(fname, flags, mode);
bfd->berrno = errno;
+ Dmsg1(400, "Open file %d\n", bfd->fid);
+ errno = bfd->berrno;
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;
+ size_t fname_len;
+
+ fname_len = strlen(fname);
+ rsrc_fname = get_pool_memory(PM_FNAME);
+ bstrncpy(rsrc_fname, fname, fname_len + 1);
+ bstrncpy(rsrc_fname + fname_len, _PATH_RSRCFORKSPEC,
+ strlen(_PATH_RSRCFORKSPEC) + 1);
+ 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);
+ if (bfd->fid == -1) {
+ return 0;
+ }
+ /* Close reader/writer program */
+ if (bfd->prog && bfd->bpipe) {
+ stat = close_bpipe(bfd->bpipe);
+ bfd->berrno = errno;
+ bfd->fid = -1;
+ bfd->bpipe = NULL;
+ return stat;
+ }
+
+ /* Close normal file */
+ stat = close(bfd->fid);
bfd->berrno = errno;
bfd->fid = -1;
return stat;
return pos;
}
-char *berror(BFILE *bfd)
+/* DO NOT USE */
+char *xberror(BFILE *bfd)
{
return strerror(bfd->berrno);
}
projects / bacula / bacula / blobdiff