#include "includes.h"
#define VFS_CHECK_NULL
int vfswrap_dummy_connect(connection_struct *conn, char *service, char *user)
{
return 0;
}
void vfswrap_dummy_disconnect(connection_struct *conn)
{
}
SMB_BIG_UINT vfswrap_disk_free(connection_struct *conn, char *path, BOOL small_query, SMB_BIG_UINT *bsize,
SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
{
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;
}
DIR *vfswrap_opendir(connection_struct *conn, char *fname)
{
DIR *result;
START_PROFILE(syscall_opendir);
#ifdef VFS_CHECK_NULL
if (fname == NULL) {
smb_panic("NULL pointer passed to vfswrap_opendir()\n");
}
#endif
result = opendir(fname);
END_PROFILE(syscall_opendir);
return result;
}
struct dirent *vfswrap_readdir(connection_struct *conn, DIR *dirp)
{
struct dirent *result;
START_PROFILE(syscall_readdir);
#ifdef VFS_CHECK_NULL
if (dirp == NULL) {
smb_panic("NULL pointer passed to vfswrap_readdir()\n");
}
#endif
result = readdir(dirp);
END_PROFILE(syscall_readdir);
return result;
}
int vfswrap_mkdir(connection_struct *conn, char *path, mode_t mode)
{
int result;
START_PROFILE(syscall_mkdir);
#ifdef VFS_CHECK_NULL
if (path == NULL) {
smb_panic("NULL pointer passed to vfswrap_mkdir()\n");
}
#endif
result = mkdir(path, mode);
if (result == 0) {
int saved_errno = errno;
if (conn->vfs_ops.chmod_acl != NULL) {
if ((conn->vfs_ops.chmod_acl(conn, path, mode) == -1) && (errno == ENOSYS))
errno = saved_errno;
}
}
END_PROFILE(syscall_mkdir);
return result;
}
int vfswrap_rmdir(connection_struct *conn, char *path)
{
int result;
START_PROFILE(syscall_rmdir);
#ifdef VFS_CHECK_NULL
if (path == NULL) {
smb_panic("NULL pointer passed to vfswrap_rmdir()\n");
}
#endif
result = rmdir(path);
END_PROFILE(syscall_rmdir);
return result;
}
int vfswrap_closedir(connection_struct *conn, DIR *dirp)
{
int result;
START_PROFILE(syscall_closedir);
#ifdef VFS_CHECK_NULL
if (dirp == NULL) {
smb_panic("NULL pointer passed to vfswrap_closedir()\n");
}
#endif
result = closedir(dirp);
END_PROFILE(syscall_closedir);
return result;
}
int vfswrap_open(connection_struct *conn, char *fname, int flags, mode_t mode)
{
int result;
START_PROFILE(syscall_open);
#ifdef VFS_CHECK_NULL
if (fname == NULL) {
smb_panic("NULL pointer passed to vfswrap_open()\n");
}
#endif
result = sys_open(fname, flags, mode);
END_PROFILE(syscall_open);
return result;
}
int vfswrap_close(files_struct *fsp, int fd)
{
int result;
START_PROFILE(syscall_close);
result = close(fd);
END_PROFILE(syscall_close);
return result;
}
ssize_t vfswrap_read(files_struct *fsp, int fd, void *data, size_t n)
{
ssize_t result;
START_PROFILE_BYTES(syscall_read, n);
#ifdef VFS_CHECK_NULL
if (data == NULL) {
smb_panic("NULL pointer passed to vfswrap_read()\n");
}
#endif
result = read(fd, data, n);
END_PROFILE(syscall_read);
return result;
}
ssize_t vfswrap_write(files_struct *fsp, int fd, const void *data, size_t n)
{
ssize_t result;
START_PROFILE_BYTES(syscall_write, n);
#ifdef VFS_CHECK_NULL
if (data == NULL) {
smb_panic("NULL pointer passed to vfswrap_write()\n");
}
#endif
result = write(fd, data, n);
END_PROFILE(syscall_write);
return result;
}
SMB_OFF_T vfswrap_lseek(files_struct *fsp, int filedes, SMB_OFF_T offset, int whence)
{
SMB_OFF_T result;
START_PROFILE(syscall_lseek);
result = sys_lseek(filedes, offset, whence);
END_PROFILE(syscall_lseek);
return result;
}
static int copy_reg(char *source, const char *dest)
{
SMB_STRUCT_STAT source_stats;
int ifd;
int ofd;
if (sys_lstat (source, &source_stats) == -1)
return -1;
if (!S_ISREG (source_stats.st_mode))
return -1;
if (unlink (dest) && errno != ENOENT)
return -1;
if((ifd = sys_open (source, O_RDONLY, 0)) < 0)
return -1;
if((ofd = sys_open (dest, O_WRONLY | O_CREAT | O_TRUNC, 0600)) < 0 ) {
int saved_errno = errno;
close (ifd);
errno = saved_errno;
return -1;
}
if (transfer_file(ifd, ofd, (size_t)-1) == -1) {
int saved_errno = errno;
close (ifd);
close (ofd);
unlink (dest);
errno = saved_errno;
return -1;
}
if (close (ifd) == -1) {
int saved_errno = errno;
close (ofd);
errno = saved_errno;
return -1;
}
if (close (ofd) == -1)
return -1;
{
struct utimbuf tv;
tv.actime = source_stats.st_atime;
tv.modtime = source_stats.st_mtime;
utime (dest, &tv);
}
if ((chown(dest, source_stats.st_uid, source_stats.st_gid) == -1) && (errno != EPERM))
return -1;
if (chmod (dest, source_stats.st_mode & 07777))
return -1;
if (unlink (source) == -1)
return -1;
return 0;
}
int vfswrap_rename(connection_struct *conn, char *oldname, char *newname)
{
int result;
START_PROFILE(syscall_rename);
#ifdef VFS_CHECK_NULL
if ((oldname == NULL) || (newname == NULL)) {
smb_panic("NULL pointer passed to vfswrap_rename()\n");
}
#endif
result = rename(oldname, newname);
if (errno == EXDEV) {
result = copy_reg(oldname, newname);
}
END_PROFILE(syscall_rename);
return result;
}
int vfswrap_fsync(files_struct *fsp, int fd)
{
#ifdef HAVE_FSYNC
int result;
START_PROFILE(syscall_fsync);
result = fsync(fd);
END_PROFILE(syscall_fsync);
return result;
#else
return 0;
#endif
}
int vfswrap_stat(connection_struct *conn, char *fname, SMB_STRUCT_STAT *sbuf)
{
int result;
START_PROFILE(syscall_stat);
#ifdef VFS_CHECK_NULL
if ((fname == NULL) || (sbuf == NULL)) {
smb_panic("NULL pointer passed to vfswrap_stat()\n");
}
#endif
result = sys_stat(fname, sbuf);
END_PROFILE(syscall_stat);
return result;
}
int vfswrap_fstat(files_struct *fsp, int fd, SMB_STRUCT_STAT *sbuf)
{
int result;
START_PROFILE(syscall_fstat);
#ifdef VFS_CHECK_NULL
if (sbuf == NULL) {
smb_panic("NULL pointer passed to vfswrap_fstat()\n");
}
#endif
result = sys_fstat(fd, sbuf);
END_PROFILE(syscall_fstat);
return result;
}
int vfswrap_lstat(connection_struct *conn, char *path, SMB_STRUCT_STAT *sbuf)
{
int result;
START_PROFILE(syscall_lstat);
#ifdef VFS_CHECK_NULL
if ((path == NULL) || (sbuf == NULL)) {
smb_panic("NULL pointer passed to vfswrap_lstat()\n");
}
#endif
result = sys_lstat(path, sbuf);
END_PROFILE(syscall_lstat);
return result;
}
int vfswrap_unlink(connection_struct *conn, char *path)
{
int result;
START_PROFILE(syscall_unlink);
#ifdef VFS_CHECK_NULL
if (path == NULL) {
smb_panic("NULL pointer passed to vfswrap_unlink()\n");
}
#endif
result = unlink(path);
END_PROFILE(syscall_unlink);
return result;
}
int vfswrap_chmod(connection_struct *conn, char *path, mode_t mode)
{
int result;
START_PROFILE(syscall_chmod);
#ifdef VFS_CHECK_NULL
if (path == NULL) {
smb_panic("NULL pointer passed to vfswrap_chmod()\n");
}
#endif
if (conn->vfs_ops.chmod_acl != NULL) {
int saved_errno = errno;
if ((result = conn->vfs_ops.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;
}
int vfswrap_fchmod(files_struct *fsp, int fd, mode_t mode)
{
int result;
struct vfs_ops *vfs_ops = &fsp->conn->vfs_ops;
START_PROFILE(syscall_fchmod);
if (vfs_ops->fchmod_acl != NULL) {
int saved_errno = errno;
if ((result = vfs_ops->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;
}
int vfswrap_chown(connection_struct *conn, char *path, uid_t uid, gid_t gid)
{
int result;
START_PROFILE(syscall_chown);
#ifdef VFS_CHECK_NULL
if (path == NULL) {
smb_panic("NULL pointer passed to vfswrap_chown()\n");
}
#endif
result = sys_chown(path, uid, gid);
END_PROFILE(syscall_chown);
return result;
}
int vfswrap_fchown(files_struct *fsp, int fd, uid_t uid, gid_t gid)
{
int result;
START_PROFILE(syscall_fchown);
result = fchown(fd, uid, gid);
END_PROFILE(syscall_fchown);
return result;
}
int vfswrap_chdir(connection_struct *conn, char *path)
{
int result;
START_PROFILE(syscall_chdir);
#ifdef VFS_CHECK_NULL
if (path == NULL) {
smb_panic("NULL pointer passed to vfswrap_chdir()\n");
}
#endif
result = chdir(path);
END_PROFILE(syscall_chdir);
return result;
}
char *vfswrap_getwd(connection_struct *conn, char *path)
{
char *result;
START_PROFILE(syscall_getwd);
#ifdef VFS_CHECK_NULL
if (path == NULL) {
smb_panic("NULL pointer passed to vfswrap_getwd()\n");
}
#endif
result = sys_getwd(path);
END_PROFILE(syscall_getwd);
return result;
}
int vfswrap_utime(connection_struct *conn, char *path, struct utimbuf *times)
{
int result;
START_PROFILE(syscall_utime);
#ifdef VFS_CHECK_NULL
if ((path == NULL) || (times == NULL)) {
smb_panic("NULL pointer passed to vfswrap_utime()\n");
}
#endif
result = utime(path, times);
END_PROFILE(syscall_utime);
return result;
}
static int strict_allocate_ftruncate(files_struct *fsp, int fd, SMB_OFF_T len)
{
struct vfs_ops *vfs_ops = &fsp->conn->vfs_ops;
SMB_STRUCT_STAT st;
SMB_OFF_T currpos = vfs_ops->lseek(fsp, fd, 0, SEEK_CUR);
unsigned char zero_space[4096];
SMB_OFF_T space_to_write;
if (currpos == -1)
return -1;
if (vfs_ops->fstat(fsp, fd, &st) == -1)
return -1;
#ifdef S_ISFIFO
if (S_ISFIFO(st.st_mode))
return 0;
#endif
if (st.st_size == len)
return 0;
if (st.st_size > len)
return sys_ftruncate(fd, len);
if (vfs_ops->lseek(fsp, fd, st.st_size, SEEK_SET) != st.st_size)
return -1;
space_to_write = len - st.st_size;
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);
retlen = vfs_ops->write(fsp,fsp->fd,(char *)zero_space,current_len_to_write);
if (retlen <= 0)
return -1;
space_to_write -= retlen;
}
if (vfs_ops->lseek(fsp, fd, currpos, SEEK_SET) != currpos)
return -1;
return 0;
}
int vfswrap_ftruncate(files_struct *fsp, int fd, SMB_OFF_T len)
{
int result = -1;
struct vfs_ops *vfs_ops = &fsp->conn->vfs_ops;
SMB_STRUCT_STAT st;
char c = 0;
SMB_OFF_T currpos;
START_PROFILE(syscall_ftruncate);
if (lp_strict_allocate(SNUM(fsp->conn))) {
result = strict_allocate_ftruncate(fsp, fd, len);
END_PROFILE(syscall_ftruncate);
return result;
}
result = sys_ftruncate(fd, len);
if (result == 0)
goto done;
currpos = vfs_ops->lseek(fsp, fd, 0, SEEK_CUR);
if (currpos == -1) {
goto done;
}
if (vfs_ops->fstat(fsp, fd, &st) == -1) {
goto done;
}
#ifdef S_ISFIFO
if (S_ISFIFO(st.st_mode)) {
result = 0;
goto done;
}
#endif
if (st.st_size == len) {
result = 0;
goto done;
}
if (st.st_size > len) {
goto done;
}
if (vfs_ops->lseek(fsp, fd, len-1, SEEK_SET) != len -1)
goto done;
if (vfs_ops->write(fsp, fd, &c, 1)!=1)
goto done;
if (vfs_ops->lseek(fsp, fd, currpos, SEEK_SET) != currpos)
goto done;
result = 0;
done:
END_PROFILE(syscall_ftruncate);
return result;
}
BOOL vfswrap_lock(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(connection_struct *conn, const char *oldpath, const char *newpath)
{
int result;
START_PROFILE(syscall_symlink);
#ifdef VFS_CHECK_NULL
if ((oldpath == NULL) || (newpath == NULL))
smb_panic("NULL pointer passed to vfswrap_symlink()\n");
#endif
result = sys_symlink(oldpath, newpath);
END_PROFILE(syscall_symlink);
return result;
}
int vfswrap_readlink(connection_struct *conn, const char *path, char *buf, size_t bufsiz)
{
int result;
START_PROFILE(syscall_readlink);
#ifdef VFS_CHECK_NULL
if ((path == NULL) || (buf == NULL))
smb_panic("NULL pointer passed to vfswrap_readlink()\n");
#endif
result = sys_readlink(path, buf, bufsiz);
END_PROFILE(syscall_readlink);
return result;
}
int vfswrap_link(connection_struct *conn, const char *oldpath, const char *newpath)
{
int result;
START_PROFILE(syscall_link);
#ifdef VFS_CHECK_NULL
if ((oldpath == NULL) || (newpath == NULL))
smb_panic("NULL pointer passed to vfswrap_link()\n");
#endif
result = sys_link(oldpath, newpath);
END_PROFILE(syscall_link);
return result;
}
int vfswrap_mknod(connection_struct *conn, const char *pathname, mode_t mode, SMB_DEV_T dev)
{
int result;
START_PROFILE(syscall_mknod);
#ifdef VFS_CHECK_NULL
if (pathname == NULL)
smb_panic("NULL pointer passed to vfswrap_mknod()\n");
#endif
result = sys_mknod(pathname, mode, dev);
END_PROFILE(syscall_mknod);
return result;
}
char *vfswrap_realpath(connection_struct *conn, const char *path, char *resolved_path)
{
char *result;
START_PROFILE(syscall_realpath);
#ifdef VFS_CHECK_NULL
if ((path == NULL) || (resolved_path == NULL))
smb_panic("NULL pointer passed to vfswrap_realpath()\n");
#endif
result = sys_realpath(path, resolved_path);
END_PROFILE(syscall_realpath);
return result;
}
size_t vfswrap_fget_nt_acl(files_struct *fsp, int fd, SEC_DESC **ppdesc)
{
size_t result;
START_PROFILE(fget_nt_acl);
result = get_nt_acl(fsp, ppdesc);
END_PROFILE(fget_nt_acl);
return result;
}
size_t vfswrap_get_nt_acl(files_struct *fsp, char *name, SEC_DESC **ppdesc)
{
size_t result;
START_PROFILE(get_nt_acl);
result = get_nt_acl(fsp, ppdesc);
END_PROFILE(get_nt_acl);
return result;
}
BOOL vfswrap_fset_nt_acl(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(files_struct *fsp, 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(connection_struct *conn, char *name, mode_t mode)
{
int result;
START_PROFILE(chmod_acl);
result = chmod_acl(name, mode);
END_PROFILE(chmod_acl);
return result;
}
int vfswrap_fchmod_acl(files_struct *fsp, int fd, mode_t mode)
{
int result;
START_PROFILE(fchmod_acl);
result = fchmod_acl(fd, mode);
END_PROFILE(fchmod_acl);
return result;
}