/*
- Unix SMB/Netbios implementation.
- Version 1.9.
+ Unix SMB/CIFS implementation.
Wrap disk only vfs functions to sidestep dodgy compilers.
Copyright (C) Tim Potter 1998
#include "includes.h"
-/* Check for NULL pointer parameters in vfswrap_* functions */
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_VFS
+
-#define VFS_CHECK_NULL
+/* Check for NULL pointer parameters in vfswrap_* functions */
/* We don't want to have NULL function pointers lying around. Someone
is sure to try and execute them. These stubs are used to prevent
this possibility. */
-int vfswrap_dummy_connect(connection_struct *conn, char *service, char *user)
+int vfswrap_dummy_connect(vfs_handle_struct *handle, connection_struct *conn, const char *service, const char *user)
{
return 0; /* Return >= 0 for success */
}
-void vfswrap_dummy_disconnect(connection_struct *conn)
+void vfswrap_dummy_disconnect(vfs_handle_struct *handle, connection_struct *conn)
{
}
/* Disk operations */
-SMB_BIG_UINT vfswrap_disk_free(connection_struct *conn, char *path, BOOL small_query, SMB_BIG_UINT *bsize,
+SMB_BIG_UINT vfswrap_disk_free(vfs_handle_struct *handle, connection_struct *conn, const char *path, BOOL small_query, SMB_BIG_UINT *bsize,
SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
{
- SMB_BIG_UINT result;
+ SMB_BIG_UINT result;
-#ifdef VFS_CHECK_NULL
- if ((path == NULL) || (bsize == NULL) || (dfree == NULL) ||
- (dsize == NULL)) {
-
- smb_panic("NULL pointer passed to vfswrap_disk_free() function\n");
- }
-#endif
+ result = sys_disk_free(path, small_query, bsize, dfree, dsize);
+ return result;
+}
+
+int vfswrap_get_quota(struct vfs_handle_struct *handle, struct connection_struct *conn, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt)
+{
+#ifdef HAVE_SYS_QUOTAS
+ int result;
+
+ START_PROFILE(syscall_get_quota);
+ result = sys_get_quota(conn->connectpath, qtype, id, qt);
+ END_PROFILE(syscall_get_quota);
+ return result;
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
- result = sys_disk_free(path, small_query, bsize, dfree, dsize);
- return result;
+int vfswrap_set_quota(struct vfs_handle_struct *handle, struct connection_struct *conn, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt)
+{
+#ifdef HAVE_SYS_QUOTAS
+ int result;
+
+ START_PROFILE(syscall_set_quota);
+ result = sys_set_quota(conn->connectpath, qtype, id, qt);
+ END_PROFILE(syscall_set_quota);
+ return result;
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+int vfswrap_get_shadow_copy_data(struct vfs_handle_struct *handle, struct files_struct *fsp, SHADOW_COPY_DATA *shadow_copy_data, BOOL labels)
+{
+ errno = ENOSYS;
+ return -1; /* Not implemented. */
}
/* Directory operations */
-DIR *vfswrap_opendir(connection_struct *conn, char *fname)
+DIR *vfswrap_opendir(vfs_handle_struct *handle, connection_struct *conn, const char *fname)
{
- DIR *result;
+ DIR *result;
- START_PROFILE(syscall_opendir);
+ START_PROFILE(syscall_opendir);
+ result = sys_opendir(fname);
+ END_PROFILE(syscall_opendir);
+ return result;
+}
-#ifdef VFS_CHECK_NULL
- if (fname == NULL) {
- smb_panic("NULL pointer passed to vfswrap_opendir()\n");
- }
-#endif
+SMB_STRUCT_DIRENT *vfswrap_readdir(vfs_handle_struct *handle, connection_struct *conn, DIR *dirp)
+{
+ struct dirent *result;
- result = opendir(fname);
- END_PROFILE(syscall_opendir);
- return result;
+ START_PROFILE(syscall_readdir);
+ result = sys_readdir(dirp);
+ END_PROFILE(syscall_readdir);
+ return result;
}
-struct dirent *vfswrap_readdir(connection_struct *conn, DIR *dirp)
+void vfswrap_seekdir(vfs_handle_struct *handle, connection_struct *conn, DIR *dirp, long offset)
{
- struct dirent *result;
-
- START_PROFILE(syscall_readdir);
+ START_PROFILE(syscall_seekdir);
+ sys_seekdir(dirp, offset);
+ END_PROFILE(syscall_seekdir);
+}
-#ifdef VFS_CHECK_NULL
- if (dirp == NULL) {
- smb_panic("NULL pointer passed to vfswrap_readdir()\n");
- }
-#endif
+long vfswrap_telldir(vfs_handle_struct *handle, connection_struct *conn, DIR *dirp)
+{
+ long result;
+ START_PROFILE(syscall_telldir);
+ result = sys_telldir(dirp);
+ END_PROFILE(syscall_telldir);
+ return result;
+}
- result = readdir(dirp);
- END_PROFILE(syscall_readdir);
- return result;
+void vfswrap_rewinddir(vfs_handle_struct *handle, connection_struct *conn, DIR *dirp)
+{
+ START_PROFILE(syscall_rewinddir);
+ sys_rewinddir(dirp);
+ END_PROFILE(syscall_rewinddir);
}
-int vfswrap_mkdir(connection_struct *conn, char *path, mode_t mode)
+int vfswrap_mkdir(vfs_handle_struct *handle, connection_struct *conn, const char *path, mode_t mode)
{
- int result;
+ int result;
+ BOOL has_dacl = False;
- START_PROFILE(syscall_mkdir);
+ START_PROFILE(syscall_mkdir);
-#ifdef VFS_CHECK_NULL
- if (path == NULL) {
- smb_panic("NULL pointer passed to vfswrap_mkdir()\n");
- }
-#endif
+ if (lp_inherit_acls(SNUM(conn)) && (has_dacl = directory_has_default_acl(conn, parent_dirname(path))))
+ mode = 0777;
- result = mkdir(path, mode);
+ result = mkdir(path, mode);
- if (result == 0) {
+ if (result == 0 && !has_dacl) {
/*
* We need to do this as the default behavior of POSIX ACLs
* is to set the mask to be the requested group permission
* mess up any inherited ACL bits that were set. JRA.
*/
int saved_errno = errno; /* We may get ENOSYS */
- if (conn->vfs_ops.chmod_acl != NULL) {
- if ((conn->vfs_ops.chmod_acl(conn, path, mode) == -1) && (errno == ENOSYS))
- errno = saved_errno;
- }
+ if ((SMB_VFS_CHMOD_ACL(conn, path, mode) == -1) && (errno == ENOSYS))
+ errno = saved_errno;
}
- END_PROFILE(syscall_mkdir);
- return result;
+ END_PROFILE(syscall_mkdir);
+ return result;
}
-int vfswrap_rmdir(connection_struct *conn, char *path)
+int vfswrap_rmdir(vfs_handle_struct *handle, connection_struct *conn, const char *path)
{
- int result;
+ int result;
- START_PROFILE(syscall_rmdir);
+ START_PROFILE(syscall_rmdir);
+ result = rmdir(path);
+ END_PROFILE(syscall_rmdir);
+ return result;
+}
-#ifdef VFS_CHECK_NULL
- if (path == NULL) {
- smb_panic("NULL pointer passed to vfswrap_rmdir()\n");
- }
-#endif
+int vfswrap_closedir(vfs_handle_struct *handle, connection_struct *conn, DIR *dirp)
+{
+ int result;
- result = rmdir(path);
- END_PROFILE(syscall_rmdir);
- return result;
+ START_PROFILE(syscall_closedir);
+ result = sys_closedir(dirp);
+ END_PROFILE(syscall_closedir);
+ return result;
}
-int vfswrap_closedir(connection_struct *conn, DIR *dirp)
+/* File operations */
+
+int vfswrap_open(vfs_handle_struct *handle, connection_struct *conn, const char *fname, int flags, mode_t mode)
{
- int result;
+ int result;
- START_PROFILE(syscall_closedir);
+ START_PROFILE(syscall_open);
+ result = sys_open(fname, flags, mode);
+ END_PROFILE(syscall_open);
+ return result;
+}
-#ifdef VFS_CHECK_NULL
- if (dirp == NULL) {
- smb_panic("NULL pointer passed to vfswrap_closedir()\n");
- }
-#endif
+int vfswrap_close(vfs_handle_struct *handle, files_struct *fsp, int fd)
+{
+ int result;
- result = closedir(dirp);
- END_PROFILE(syscall_closedir);
- return result;
+ START_PROFILE(syscall_close);
+
+ result = close(fd);
+ END_PROFILE(syscall_close);
+ return result;
}
-/* File operations */
-
-int vfswrap_open(connection_struct *conn, char *fname, int flags, mode_t mode)
+ssize_t vfswrap_read(vfs_handle_struct *handle, files_struct *fsp, int fd, void *data, size_t n)
{
- int result;
+ ssize_t result;
- START_PROFILE(syscall_open);
+ START_PROFILE_BYTES(syscall_read, n);
+ result = sys_read(fd, data, n);
+ END_PROFILE(syscall_read);
+ return result;
+}
-#ifdef VFS_CHECK_NULL
- if (fname == NULL) {
- smb_panic("NULL pointer passed to vfswrap_open()\n");
- }
-#endif
+ssize_t vfswrap_pread(vfs_handle_struct *handle, files_struct *fsp, int fd, void *data,
+ size_t n, SMB_OFF_T offset)
+{
+ ssize_t result;
+
+#if defined(HAVE_PREAD) || defined(HAVE_PREAD64)
+ START_PROFILE_BYTES(syscall_pread, n);
+ result = sys_pread(fd, data, n, offset);
+ END_PROFILE(syscall_pread);
+
+ if (result == -1 && errno == ESPIPE) {
+ /* Maintain the fiction that pipes can be seeked (sought?) on. */
+ result = SMB_VFS_READ(fsp, fd, data, n);
+ fsp->pos = 0;
+ }
+
+#else /* HAVE_PREAD */
+ SMB_OFF_T curr;
+ int lerrno;
+
+ curr = SMB_VFS_LSEEK(fsp, fd, 0, SEEK_CUR);
+ if (curr == -1 && errno == ESPIPE) {
+ /* Maintain the fiction that pipes can be seeked (sought?) on. */
+ result = SMB_VFS_READ(fsp, fd, data, n);
+ fsp->pos = 0;
+ return result;
+ }
+
+ if (SMB_VFS_LSEEK(fsp, fd, offset, SEEK_SET) == -1) {
+ return -1;
+ }
+
+ errno = 0;
+ result = SMB_VFS_READ(fsp, fd, data, n);
+ lerrno = errno;
+
+ SMB_VFS_LSEEK(fsp, fd, curr, SEEK_SET);
+ errno = lerrno;
- result = sys_open(fname, flags, mode);
- END_PROFILE(syscall_open);
- return result;
+#endif /* HAVE_PREAD */
+
+ return result;
}
-int vfswrap_close(files_struct *fsp, int fd)
+ssize_t vfswrap_write(vfs_handle_struct *handle, files_struct *fsp, int fd, const void *data, size_t n)
{
- int result;
-
- START_PROFILE(syscall_close);
+ ssize_t result;
- result = close(fd);
- END_PROFILE(syscall_close);
- return result;
+ START_PROFILE_BYTES(syscall_write, n);
+ result = sys_write(fd, data, n);
+ END_PROFILE(syscall_write);
+ return result;
}
-ssize_t vfswrap_read(files_struct *fsp, int fd, char *data, size_t n)
+ssize_t vfswrap_pwrite(vfs_handle_struct *handle, files_struct *fsp, int fd, const void *data,
+ size_t n, SMB_OFF_T offset)
{
- ssize_t result;
+ ssize_t result;
- START_PROFILE_BYTES(syscall_read, n);
+#if defined(HAVE_PWRITE) || defined(HAVE_PRWITE64)
+ START_PROFILE_BYTES(syscall_pwrite, n);
+ result = sys_pwrite(fd, data, n, offset);
+ END_PROFILE(syscall_pwrite);
-#ifdef VFS_CHECK_NULL
- if (data == NULL) {
- smb_panic("NULL pointer passed to vfswrap_read()\n");
- }
-#endif
+ if (result == -1 && errno == ESPIPE) {
+ /* Maintain the fiction that pipes can be sought on. */
+ result = SMB_VFS_WRITE(fsp, fd, data, n);
+ }
- result = read(fd, data, n);
- END_PROFILE(syscall_read);
- return result;
+#else /* HAVE_PWRITE */
+ SMB_OFF_T curr;
+ int lerrno;
+
+ curr = SMB_VFS_LSEEK(fsp, fd, 0, SEEK_CUR);
+ if (curr == -1) {
+ return -1;
+ }
+
+ if (SMB_VFS_LSEEK(fsp, fd, offset, SEEK_SET) == -1) {
+ return -1;
+ }
+
+ result = SMB_VFS_WRITE(fsp, fd, data, n);
+ lerrno = errno;
+
+ SMB_VFS_LSEEK(fsp, fd, curr, SEEK_SET);
+ errno = lerrno;
+
+#endif /* HAVE_PWRITE */
+
+ return result;
}
-ssize_t vfswrap_write(files_struct *fsp, int fd, char *data, size_t n)
+SMB_OFF_T vfswrap_lseek(vfs_handle_struct *handle, files_struct *fsp, int filedes, SMB_OFF_T offset, int whence)
{
- ssize_t result;
+ SMB_OFF_T result = 0;
- START_PROFILE_BYTES(syscall_write, n);
+ START_PROFILE(syscall_lseek);
-#ifdef VFS_CHECK_NULL
- if (data == NULL) {
- smb_panic("NULL pointer passed to vfswrap_write()\n");
- }
-#endif
+ /* Cope with 'stat' file opens. */
+ if (filedes != -1)
+ result = sys_lseek(filedes, offset, whence);
- result = write(fd, data, n);
- END_PROFILE(syscall_write);
- return result;
+ /*
+ * We want to maintain the fiction that we can seek
+ * on a fifo for file system purposes. This allows
+ * people to set up UNIX fifo's that feed data to Windows
+ * applications. JRA.
+ */
+
+ if((result == -1) && (errno == ESPIPE)) {
+ result = 0;
+ errno = 0;
+ }
+
+ END_PROFILE(syscall_lseek);
+ return result;
}
-SMB_OFF_T vfswrap_lseek(files_struct *fsp, int filedes, SMB_OFF_T offset, int whence)
+ssize_t vfswrap_sendfile(vfs_handle_struct *handle, int tofd, files_struct *fsp, int fromfd, const DATA_BLOB *hdr,
+ SMB_OFF_T offset, size_t n)
{
- SMB_OFF_T result;
-
- START_PROFILE(syscall_lseek);
+ ssize_t result;
- result = sys_lseek(filedes, offset, whence);
- END_PROFILE(syscall_lseek);
- return result;
+ START_PROFILE_BYTES(syscall_sendfile, n);
+ result = sys_sendfile(tofd, fromfd, hdr, offset, n);
+ END_PROFILE(syscall_sendfile);
+ return result;
}
-int vfswrap_rename(connection_struct *conn, char *old, char *new)
+/*********************************************************
+ For rename across filesystems Patch from Warren Birnbaum
+ <warrenb@hpcvscdp.cv.hp.com>
+**********************************************************/
+
+static int copy_reg(const char *source, const char *dest)
{
- int result;
+ SMB_STRUCT_STAT source_stats;
+ int saved_errno;
+ int ifd = -1;
+ int ofd = -1;
+
+ if (sys_lstat (source, &source_stats) == -1)
+ return -1;
- START_PROFILE(syscall_rename);
+ if (!S_ISREG (source_stats.st_mode))
+ return -1;
-#ifdef VFS_CHECK_NULL
- if ((old == NULL) || (new == NULL)) {
- smb_panic("NULL pointer passed to vfswrap_rename()\n");
- }
+ if((ifd = sys_open (source, O_RDONLY, 0)) < 0)
+ return -1;
+
+ if (unlink (dest) && errno != ENOENT)
+ return -1;
+
+#ifdef O_NOFOLLOW
+ if((ofd = sys_open (dest, O_WRONLY | O_CREAT | O_TRUNC | O_NOFOLLOW, 0600)) < 0 )
+#else
+ if((ofd = sys_open (dest, O_WRONLY | O_CREAT | O_TRUNC , 0600)) < 0 )
#endif
+ goto err;
- result = rename(old, new);
- END_PROFILE(syscall_rename);
- return result;
-}
+ if (transfer_file(ifd, ofd, (size_t)-1) == -1)
+ goto err;
-int vfswrap_fsync(files_struct *fsp, int fd)
-{
-#ifdef HAVE_FSYNC
- int result;
+ /*
+ * Try to preserve ownership. For non-root it might fail, but that's ok.
+ * But root probably wants to know, e.g. if NFS disallows it.
+ */
+
+#ifdef HAVE_FCHOWN
+ if ((fchown(ofd, source_stats.st_uid, source_stats.st_gid) == -1) && (errno != EPERM))
+#else
+ if ((chown(dest, source_stats.st_uid, source_stats.st_gid) == -1) && (errno != EPERM))
+#endif
+ goto err;
- START_PROFILE(syscall_fsync);
+ /*
+ * fchown turns off set[ug]id bits for non-root,
+ * so do the chmod last.
+ */
- result = fsync(fd);
- END_PROFILE(syscall_fsync);
- return result;
+#if defined(HAVE_FCHMOD)
+ if (fchmod (ofd, source_stats.st_mode & 07777))
#else
- return 0;
+ if (chmod (dest, source_stats.st_mode & 07777))
#endif
-}
+ goto err;
-int vfswrap_stat(connection_struct *conn, char *fname, SMB_STRUCT_STAT *sbuf)
-{
- int result;
+ if (close (ifd) == -1)
+ goto err;
- START_PROFILE(syscall_stat);
+ if (close (ofd) == -1)
+ return -1;
-#ifdef VFS_CHECK_NULL
- if ((fname == NULL) || (sbuf == NULL)) {
- smb_panic("NULL pointer passed to vfswrap_stat()\n");
- }
-#endif
+ /* Try to copy the old file's modtime and access time. */
+ {
+ struct utimbuf tv;
- result = sys_stat(fname, sbuf);
- END_PROFILE(syscall_stat);
- return result;
-}
+ tv.actime = source_stats.st_atime;
+ tv.modtime = source_stats.st_mtime;
+ utime(dest, &tv);
+ }
-int vfswrap_fstat(files_struct *fsp, int fd, SMB_STRUCT_STAT *sbuf)
-{
- int result;
+ if (unlink (source) == -1)
+ return -1;
- START_PROFILE(syscall_fstat);
+ return 0;
-#ifdef VFS_CHECK_NULL
- if (sbuf == NULL) {
- smb_panic("NULL pointer passed to vfswrap_fstat()\n");
- }
-#endif
+ err:
- result = sys_fstat(fd, sbuf);
- END_PROFILE(syscall_fstat);
- return result;
+ saved_errno = errno;
+ if (ifd != -1)
+ close(ifd);
+ if (ofd != -1)
+ close(ofd);
+ errno = saved_errno;
+ return -1;
}
-int vfswrap_lstat(connection_struct *conn, char *path, SMB_STRUCT_STAT *sbuf)
+int vfswrap_rename(vfs_handle_struct *handle, connection_struct *conn, const char *old, const char *new)
{
- int result;
+ int result;
- START_PROFILE(syscall_lstat);
+ START_PROFILE(syscall_rename);
+ result = rename(old, new);
+ if (errno == EXDEV) {
+ /* Rename across filesystems needed. */
+ result = copy_reg(old, new);
+ }
+
+ END_PROFILE(syscall_rename);
+ return result;
+}
+
+int vfswrap_fsync(vfs_handle_struct *handle, files_struct *fsp, int fd)
+{
+#ifdef HAVE_FSYNC
+ int result;
-#ifdef VFS_CHECK_NULL
- if ((path == NULL) || (sbuf == NULL)) {
- smb_panic("NULL pointer passed to vfswrap_lstat()\n");
- }
+ START_PROFILE(syscall_fsync);
+ result = fsync(fd);
+ END_PROFILE(syscall_fsync);
+ return result;
+#else
+ return 0;
#endif
+}
- result = sys_lstat(path, sbuf);
- END_PROFILE(syscall_lstat);
- return result;
+int vfswrap_stat(vfs_handle_struct *handle, connection_struct *conn, const char *fname, SMB_STRUCT_STAT *sbuf)
+{
+ int result;
+
+ START_PROFILE(syscall_stat);
+ result = sys_stat(fname, sbuf);
+ END_PROFILE(syscall_stat);
+ return result;
}
-int vfswrap_unlink(connection_struct *conn, char *path)
+int vfswrap_fstat(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_STRUCT_STAT *sbuf)
{
- int result;
+ int result;
- START_PROFILE(syscall_unlink);
+ START_PROFILE(syscall_fstat);
+ result = sys_fstat(fd, sbuf);
+ END_PROFILE(syscall_fstat);
+ return result;
+}
-#ifdef VFS_CHECK_NULL
- if (path == NULL) {
- smb_panic("NULL pointer passed to vfswrap_unlink()\n");
- }
-#endif
+int vfswrap_lstat(vfs_handle_struct *handle, connection_struct *conn, const char *path, SMB_STRUCT_STAT *sbuf)
+{
+ int result;
- result = unlink(path);
- END_PROFILE(syscall_unlink);
- return result;
+ START_PROFILE(syscall_lstat);
+ result = sys_lstat(path, sbuf);
+ END_PROFILE(syscall_lstat);
+ return result;
}
-int vfswrap_chmod(connection_struct *conn, char *path, mode_t mode)
+int vfswrap_unlink(vfs_handle_struct *handle, connection_struct *conn, const char *path)
{
- int result;
+ int result;
- START_PROFILE(syscall_chmod);
+ START_PROFILE(syscall_unlink);
+ result = unlink(path);
+ END_PROFILE(syscall_unlink);
+ return result;
+}
-#ifdef VFS_CHECK_NULL
- if (path == NULL) {
- smb_panic("NULL pointer passed to vfswrap_chmod()\n");
- }
-#endif
+int vfswrap_chmod(vfs_handle_struct *handle, connection_struct *conn, const char *path, mode_t mode)
+{
+ int result;
+
+ START_PROFILE(syscall_chmod);
/*
* We need to do this due to the fact that the default POSIX ACL
*/
- if (conn->vfs_ops.chmod_acl != NULL) {
+ {
int saved_errno = errno; /* We might get ENOSYS */
- if ((result = conn->vfs_ops.chmod_acl(conn, path, mode)) == 0) {
+ if ((result = SMB_VFS_CHMOD_ACL(conn, path, mode)) == 0) {
END_PROFILE(syscall_chmod);
return result;
}
errno = saved_errno;
}
- result = chmod(path, mode);
- END_PROFILE(syscall_chmod);
- return result;
+ result = chmod(path, mode);
+ END_PROFILE(syscall_chmod);
+ return result;
}
-int vfswrap_fchmod(files_struct *fsp, int fd, mode_t mode)
+int vfswrap_fchmod(vfs_handle_struct *handle, files_struct *fsp, int fd, mode_t mode)
{
- int result;
- struct vfs_ops *vfs_ops = &fsp->conn->vfs_ops;
+ int result;
- START_PROFILE(syscall_fchmod);
+ START_PROFILE(syscall_fchmod);
/*
* We need to do this due to the fact that the default POSIX ACL
* group owner bits directly. JRA.
*/
- if (vfs_ops->fchmod_acl != NULL) {
+ {
int saved_errno = errno; /* We might get ENOSYS */
- if ((result = vfs_ops->fchmod_acl(fsp, fd, mode)) == 0) {
+ if ((result = SMB_VFS_FCHMOD_ACL(fsp, fd, mode)) == 0) {
END_PROFILE(syscall_chmod);
return result;
}
errno = saved_errno;
}
- result = fchmod(fd, mode);
- END_PROFILE(syscall_fchmod);
- return result;
+#if defined(HAVE_FCHMOD)
+ result = fchmod(fd, mode);
+#else
+ result = -1;
+ errno = ENOSYS;
+#endif
+
+ END_PROFILE(syscall_fchmod);
+ return result;
}
-int vfswrap_chown(connection_struct *conn, char *path, uid_t uid, gid_t gid)
+int vfswrap_chown(vfs_handle_struct *handle, connection_struct *conn, const char *path, uid_t uid, gid_t gid)
{
- int result;
+ int result;
- START_PROFILE(syscall_chown);
+ START_PROFILE(syscall_chown);
+ result = sys_chown(path, uid, gid);
+ END_PROFILE(syscall_chown);
+ return result;
+}
-#ifdef VFS_CHECK_NULL
- if (path == NULL) {
- smb_panic("NULL pointer passed to vfswrap_chown()\n");
- }
-#endif
+int vfswrap_fchown(vfs_handle_struct *handle, files_struct *fsp, int fd, uid_t uid, gid_t gid)
+{
+#ifdef HAVE_FCHOWN
+ int result;
- result = sys_chown(path, uid, gid);
- END_PROFILE(syscall_chown);
- return result;
+ START_PROFILE(syscall_fchown);
+ result = fchown(fd, uid, gid);
+ END_PROFILE(syscall_fchown);
+ return result;
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
}
-int vfswrap_fchown(files_struct *fsp, int fd, uid_t uid, gid_t gid)
+int vfswrap_chdir(vfs_handle_struct *handle, connection_struct *conn, const char *path)
{
- int result;
+ int result;
- START_PROFILE(syscall_fchown);
-
- result = fchown(fd, uid, gid);
- END_PROFILE(syscall_fchown);
- return result;
+ START_PROFILE(syscall_chdir);
+ result = chdir(path);
+ END_PROFILE(syscall_chdir);
+ return result;
}
-int vfswrap_chdir(connection_struct *conn, char *path)
+char *vfswrap_getwd(vfs_handle_struct *handle, connection_struct *conn, char *path)
{
- int result;
+ char *result;
- START_PROFILE(syscall_chdir);
+ START_PROFILE(syscall_getwd);
+ result = sys_getwd(path);
+ END_PROFILE(syscall_getwd);
+ return result;
+}
-#ifdef VFS_CHECK_NULL
- if (path == NULL) {
- smb_panic("NULL pointer passed to vfswrap_chdir()\n");
- }
-#endif
+int vfswrap_utime(vfs_handle_struct *handle, connection_struct *conn, const char *path, struct utimbuf *times)
+{
+ int result;
- result = chdir(path);
- END_PROFILE(syscall_chdir);
- return result;
+ START_PROFILE(syscall_utime);
+ result = utime(path, times);
+ END_PROFILE(syscall_utime);
+ return result;
}
-char *vfswrap_getwd(connection_struct *conn, char *path)
+/*********************************************************************
+ A version of ftruncate that will write the space on disk if strict
+ allocate is set.
+**********************************************************************/
+
+static int strict_allocate_ftruncate(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_OFF_T len)
{
- char *result;
+ SMB_STRUCT_STAT st;
+ SMB_OFF_T currpos = SMB_VFS_LSEEK(fsp, fd, 0, SEEK_CUR);
+ unsigned char zero_space[4096];
+ SMB_OFF_T space_to_write;
- START_PROFILE(syscall_getwd);
+ if (currpos == -1)
+ return -1;
-#ifdef VFS_CHECK_NULL
- if (path == NULL) {
- smb_panic("NULL pointer passed to vfswrap_getwd()\n");
- }
+ if (SMB_VFS_FSTAT(fsp, fd, &st) == -1)
+ return -1;
+
+ space_to_write = len - st.st_size;
+
+#ifdef S_ISFIFO
+ if (S_ISFIFO(st.st_mode))
+ return 0;
#endif
- result = sys_getwd(path);
- END_PROFILE(syscall_getwd);
- return result;
-}
+ if (st.st_size == len)
+ return 0;
-int vfswrap_utime(connection_struct *conn, char *path, struct utimbuf *times)
-{
- int result;
+ /* Shrink - just ftruncate. */
+ if (st.st_size > len)
+ return sys_ftruncate(fd, len);
- START_PROFILE(syscall_utime);
+ /* Write out the real space on disk. */
+ if (SMB_VFS_LSEEK(fsp, fd, st.st_size, SEEK_SET) != st.st_size)
+ return -1;
-#ifdef VFS_CHECK_NULL
- if ((path == NULL) || (times == NULL)) {
- smb_panic("NULL pointer passed to vfswrap_utime()\n");
- }
-#endif
+ space_to_write = len - st.st_size;
- result = utime(path, times);
- END_PROFILE(syscall_utime);
- return result;
-}
+ memset(zero_space, '\0', sizeof(zero_space));
+ while ( space_to_write > 0) {
+ SMB_OFF_T retlen;
+ SMB_OFF_T current_len_to_write = MIN(sizeof(zero_space),space_to_write);
-int vfswrap_ftruncate(files_struct *fsp, int fd, SMB_OFF_T len)
-{
- int result = -1;
- START_PROFILE(syscall_ftruncate);
+ retlen = SMB_VFS_WRITE(fsp,fsp->fd,(char *)zero_space,current_len_to_write);
+ if (retlen <= 0)
+ return -1;
-#ifdef HAVE_FTRUNCATE_EXTEND
- result = sys_ftruncate(fd, len);
- END_PROFILE(syscall_ftruncate);
- return result;
-#else
+ space_to_write -= retlen;
+ }
- /* According to W. R. Stevens advanced UNIX prog. Pure 4.3 BSD cannot
- extend a file with ftruncate. Provide alternate implementation
- for this */
+ /* Seek to where we were */
+ if (SMB_VFS_LSEEK(fsp, fd, currpos, SEEK_SET) != currpos)
+ return -1;
- struct vfs_ops *vfs_ops = &fsp->conn->vfs_ops;
+ return 0;
+}
+
+int vfswrap_ftruncate(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_OFF_T len)
+{
+ int result = -1;
SMB_STRUCT_STAT st;
char c = 0;
SMB_OFF_T currpos;
- currpos = vfs_ops->lseek(fsp, (SMB_OFF_T)0, SEEK_CUR);
- if(currpos == -1) {
+ START_PROFILE(syscall_ftruncate);
+
+ if (lp_strict_allocate(SNUM(fsp->conn))) {
+ result = strict_allocate_ftruncate(handle, fsp, fd, len);
+ END_PROFILE(syscall_ftruncate);
+ return result;
+ }
+
+ /* we used to just check HAVE_FTRUNCATE_EXTEND and only use
+ sys_ftruncate if the system supports it. Then I discovered that
+ you can have some filesystems that support ftruncate
+ expansion and some that don't! On Linux fat can't do
+ ftruncate extend but ext2 can. */
+
+ result = sys_ftruncate(fd, len);
+ if (result == 0)
+ goto done;
+
+ /* According to W. R. Stevens advanced UNIX prog. Pure 4.3 BSD cannot
+ extend a file with ftruncate. Provide alternate implementation
+ for this */
+ currpos = SMB_VFS_LSEEK(fsp, fd, 0, SEEK_CUR);
+ if (currpos == -1) {
goto done;
}
- /* Do an fstat to see if the file is longer than
- the requested size (call ftruncate),
- or shorter, in which case seek to len - 1 and write 1
- byte of zero */
- if(vfs_ops->fstat(fsp, &st)<0) {
+ /* Do an fstat to see if the file is longer than the requested
+ size in which case the ftruncate above should have
+ succeeded or shorter, in which case seek to len - 1 and
+ write 1 byte of zero */
+ if (SMB_VFS_FSTAT(fsp, fd, &st) == -1) {
goto done;
}
}
#endif
- if(st.st_size == len) {
+ if (st.st_size == len) {
result = 0;
goto done;
}
- if(st.st_size > len) {
- /* Yes this is *deliberately* sys_ftruncate ! JRA */
- result = sys_ftruncate(fd, len);
+ if (st.st_size > len) {
+ /* the sys_ftruncate should have worked */
goto done;
}
- if(vfs_ops->lseek(fsp, len-1, SEEK_SET) != len -1) {
+ if (SMB_VFS_LSEEK(fsp, fd, len-1, SEEK_SET) != len -1)
goto done;
- }
- if(vfs_ops->write(fsp, &c, 1)!=1) {
+ if (SMB_VFS_WRITE(fsp, fd, &c, 1)!=1)
goto done;
- }
/* Seek to where we were */
- if(vfs_ops->lseek(fsp, currpos, SEEK_SET) != currpos) {
+ if (SMB_VFS_LSEEK(fsp, fd, currpos, SEEK_SET) != currpos)
goto done;
- }
+ result = 0;
+
done:
- END_PROFILE(syscall_ftruncate);
- return result;
+ END_PROFILE(syscall_ftruncate);
+ return result;
+}
+
+BOOL vfswrap_lock(vfs_handle_struct *handle, files_struct *fsp, int fd, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
+{
+ BOOL result;
+
+ START_PROFILE(syscall_fcntl_lock);
+ result = fcntl_lock(fd, op, offset, count,type);
+ END_PROFILE(syscall_fcntl_lock);
+ return result;
+}
+
+int vfswrap_symlink(vfs_handle_struct *handle, connection_struct *conn, const char *oldpath, const char *newpath)
+{
+ int result;
+
+ START_PROFILE(syscall_symlink);
+ result = sys_symlink(oldpath, newpath);
+ END_PROFILE(syscall_symlink);
+ return result;
+}
+
+int vfswrap_readlink(vfs_handle_struct *handle, connection_struct *conn, const char *path, char *buf, size_t bufsiz)
+{
+ int result;
+
+ START_PROFILE(syscall_readlink);
+ result = sys_readlink(path, buf, bufsiz);
+ END_PROFILE(syscall_readlink);
+ return result;
+}
+
+int vfswrap_link(vfs_handle_struct *handle, connection_struct *conn, const char *oldpath, const char *newpath)
+{
+ int result;
+
+ START_PROFILE(syscall_link);
+ result = sys_link(oldpath, newpath);
+ END_PROFILE(syscall_link);
+ return result;
+}
+
+int vfswrap_mknod(vfs_handle_struct *handle, connection_struct *conn, const char *pathname, mode_t mode, SMB_DEV_T dev)
+{
+ int result;
+
+ START_PROFILE(syscall_mknod);
+ result = sys_mknod(pathname, mode, dev);
+ END_PROFILE(syscall_mknod);
+ return result;
+}
+
+char *vfswrap_realpath(vfs_handle_struct *handle, connection_struct *conn, const char *path, char *resolved_path)
+{
+ char *result;
+
+ START_PROFILE(syscall_realpath);
+ result = sys_realpath(path, resolved_path);
+ END_PROFILE(syscall_realpath);
+ return result;
+}
+
+size_t vfswrap_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, uint32 security_info, SEC_DESC **ppdesc)
+{
+ size_t result;
+
+ START_PROFILE(fget_nt_acl);
+ result = get_nt_acl(fsp, security_info, ppdesc);
+ END_PROFILE(fget_nt_acl);
+ return result;
+}
+
+size_t vfswrap_get_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info, SEC_DESC **ppdesc)
+{
+ size_t result;
+
+ START_PROFILE(get_nt_acl);
+ result = get_nt_acl(fsp, security_info, ppdesc);
+ END_PROFILE(get_nt_acl);
+ return result;
+}
+
+BOOL vfswrap_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, uint32 security_info_sent, SEC_DESC *psd)
+{
+ BOOL result;
+
+ START_PROFILE(fset_nt_acl);
+ result = set_nt_acl(fsp, security_info_sent, psd);
+ END_PROFILE(fset_nt_acl);
+ return result;
+}
+
+BOOL vfswrap_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info_sent, SEC_DESC *psd)
+{
+ BOOL result;
+
+ START_PROFILE(set_nt_acl);
+ result = set_nt_acl(fsp, security_info_sent, psd);
+ END_PROFILE(set_nt_acl);
+ return result;
+}
+
+int vfswrap_chmod_acl(vfs_handle_struct *handle, connection_struct *conn, const char *name, mode_t mode)
+{
+#ifdef HAVE_NO_ACL
+ errno = ENOSYS;
+ return -1;
+#else
+ int result;
+
+ START_PROFILE(chmod_acl);
+ result = chmod_acl(conn, name, mode);
+ END_PROFILE(chmod_acl);
+ return result;
+#endif
+}
+
+int vfswrap_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, mode_t mode)
+{
+#ifdef HAVE_NO_ACL
+ errno = ENOSYS;
+ return -1;
+#else
+ int result;
+
+ START_PROFILE(fchmod_acl);
+ result = fchmod_acl(fsp, fd, mode);
+ END_PROFILE(fchmod_acl);
+ return result;
#endif
+}
+int vfswrap_sys_acl_get_entry(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
+{
+ return sys_acl_get_entry(theacl, entry_id, entry_p);
}
-BOOL vfswrap_lock(files_struct *fsp, int fd, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
+int vfswrap_sys_acl_get_tag_type(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p)
{
- BOOL result;
+ return sys_acl_get_tag_type(entry_d, tag_type_p);
+}
- START_PROFILE(syscall_fcntl_lock);
+int vfswrap_sys_acl_get_permset(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
+{
+ return sys_acl_get_permset(entry_d, permset_p);
+}
+
+void * vfswrap_sys_acl_get_qualifier(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_ENTRY_T entry_d)
+{
+ return sys_acl_get_qualifier(entry_d);
+}
- result = fcntl_lock(fd, op, offset, count,type);
- END_PROFILE(syscall_fcntl_lock);
- return result;
+SMB_ACL_T vfswrap_sys_acl_get_file(vfs_handle_struct *handle, connection_struct *conn, const char *path_p, SMB_ACL_TYPE_T type)
+{
+ return sys_acl_get_file(path_p, type);
+}
+
+SMB_ACL_T vfswrap_sys_acl_get_fd(vfs_handle_struct *handle, files_struct *fsp, int fd)
+{
+ return sys_acl_get_fd(fd);
+}
+
+int vfswrap_sys_acl_clear_perms(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_PERMSET_T permset)
+{
+ return sys_acl_clear_perms(permset);
+}
+
+int vfswrap_sys_acl_add_perm(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
+{
+ return sys_acl_add_perm(permset, perm);
+}
+
+char * vfswrap_sys_acl_to_text(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_T theacl, ssize_t *plen)
+{
+ return sys_acl_to_text(theacl, plen);
+}
+
+SMB_ACL_T vfswrap_sys_acl_init(vfs_handle_struct *handle, connection_struct *conn, int count)
+{
+ return sys_acl_init(count);
+}
+
+int vfswrap_sys_acl_create_entry(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
+{
+ return sys_acl_create_entry(pacl, pentry);
+}
+
+int vfswrap_sys_acl_set_tag_type(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype)
+{
+ return sys_acl_set_tag_type(entry, tagtype);
+}
+
+int vfswrap_sys_acl_set_qualifier(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_ENTRY_T entry, void *qual)
+{
+ return sys_acl_set_qualifier(entry, qual);
+}
+
+int vfswrap_sys_acl_set_permset(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset)
+{
+ return sys_acl_set_permset(entry, permset);
+}
+
+int vfswrap_sys_acl_valid(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_T theacl )
+{
+ return sys_acl_valid(theacl );
+}
+
+int vfswrap_sys_acl_set_file(vfs_handle_struct *handle, connection_struct *conn, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
+{
+ return sys_acl_set_file(name, acltype, theacl);
+}
+
+int vfswrap_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_ACL_T theacl)
+{
+ return sys_acl_set_fd(fd, theacl);
+}
+
+int vfswrap_sys_acl_delete_def_file(vfs_handle_struct *handle, connection_struct *conn, const char *path)
+{
+ return sys_acl_delete_def_file(path);
+}
+
+int vfswrap_sys_acl_get_perm(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
+{
+ return sys_acl_get_perm(permset, perm);
+}
+
+int vfswrap_sys_acl_free_text(vfs_handle_struct *handle, connection_struct *conn, char *text)
+{
+ return sys_acl_free_text(text);
+}
+
+int vfswrap_sys_acl_free_acl(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_T posix_acl)
+{
+ return sys_acl_free_acl(posix_acl);
+}
+
+int vfswrap_sys_acl_free_qualifier(vfs_handle_struct *handle, connection_struct *conn, void *qualifier, SMB_ACL_TAG_T tagtype)
+{
+ return sys_acl_free_qualifier(qualifier, tagtype);
+}
+
+/****************************************************************
+ Extended attribute operations.
+*****************************************************************/
+
+ssize_t vfswrap_getxattr(struct vfs_handle_struct *handle,struct connection_struct *conn,const char *path, const char *name, void *value, size_t size)
+{
+ return sys_getxattr(path, name, value, size);
+}
+
+ssize_t vfswrap_lgetxattr(struct vfs_handle_struct *handle,struct connection_struct *conn,const char *path, const char *name, void *value, size_t size)
+{
+ return sys_lgetxattr(path, name, value, size);
+}
+
+ssize_t vfswrap_fgetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name, void *value, size_t size)
+{
+ return sys_fgetxattr(fd, name, value, size);
+}
+
+ssize_t vfswrap_listxattr(struct vfs_handle_struct *handle, struct connection_struct *conn,const char *path, char *list, size_t size)
+{
+ return sys_listxattr(path, list, size);
+}
+
+ssize_t vfswrap_llistxattr(struct vfs_handle_struct *handle, struct connection_struct *conn,const char *path, char *list, size_t size)
+{
+ return sys_llistxattr(path, list, size);
+}
+
+ssize_t vfswrap_flistxattr(struct vfs_handle_struct *handle, struct files_struct *fsp,int fd, char *list, size_t size)
+{
+ return sys_flistxattr(fd, list, size);
}
-size_t vfswrap_fget_nt_acl(files_struct *fsp, int fd, SEC_DESC **ppdesc)
+int vfswrap_removexattr(struct vfs_handle_struct *handle, struct connection_struct *conn,const char *path, const char *name)
{
- return get_nt_acl(fsp, ppdesc);
+ return sys_removexattr(path, name);
}
-size_t vfswrap_get_nt_acl(files_struct *fsp, char *name, SEC_DESC **ppdesc)
+int vfswrap_lremovexattr(struct vfs_handle_struct *handle, struct connection_struct *conn,const char *path, const char *name)
{
- return get_nt_acl(fsp, ppdesc);
+ return sys_lremovexattr(path, name);
}
-BOOL vfswrap_fset_nt_acl(files_struct *fsp, int fd, uint32 security_info_sent, SEC_DESC *psd)
+int vfswrap_fremovexattr(struct vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name)
{
- return set_nt_acl(fsp, security_info_sent, psd);
+ return sys_fremovexattr(fd, name);
}
-BOOL vfswrap_set_nt_acl(files_struct *fsp, char *name, uint32 security_info_sent, SEC_DESC *psd)
+int vfswrap_setxattr(struct vfs_handle_struct *handle, struct connection_struct *conn,const char *path, const char *name, const void *value, size_t size, int flags)
{
- return set_nt_acl(fsp, security_info_sent, psd);
+ return sys_setxattr(path, name, value, size, flags);
}
-int vfswrap_chmod_acl(connection_struct *conn, char *name, mode_t mode)
+int vfswrap_lsetxattr(struct vfs_handle_struct *handle, struct connection_struct *conn,const char *path, const char *name, const void *value, size_t size, int flags)
{
- return chmod_acl(name, mode);
+ return sys_lsetxattr(path, name, value, size, flags);
}
-int vfswrap_fchmod_acl(files_struct *fsp, int fd, mode_t mode)
+int vfswrap_fsetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name, const void *value, size_t size, int flags)
{
- return fchmod_acl(fd, mode);
+ return sys_fsetxattr(fd, name, value, size, flags);
}
git.samba.org / samba.git / blobdiff