#include "system/filesys.h"
#include "../libcli/security/security.h"
#include "../librpc/gen_ndr/ndr_security.h"
+#include "../lib/util/bitmap.h"
static NTSTATUS create_acl_blob(const struct security_descriptor *psd,
DATA_BLOB *pblob,
}
switch (xacl.version) {
+ case 1:
+ *ppdesc = make_sec_desc(ctx, SD_REVISION,
+ xacl.info.sd->type | SEC_DESC_SELF_RELATIVE,
+ xacl.info.sd->owner_sid,
+ xacl.info.sd->group_sid,
+ xacl.info.sd->sacl,
+ xacl.info.sd->dacl,
+ &sd_size);
+ /* No hash - null out. */
+ *p_hash_type = XATTR_SD_HASH_TYPE_NONE;
+ memset(hash, '\0', XATTR_SD_HASH_SIZE);
+ break;
case 2:
*ppdesc = make_sec_desc(ctx, SD_REVISION,
xacl.info.sd_hs2->sd->type | SEC_DESC_SELF_RELATIVE,
xacl.version = 3;
xacl.info.sd_hs3 = &sd_hs3;
- xacl.info.sd_hs3->sd = CONST_DISCARD(struct security_descriptor *, psd);
+ xacl.info.sd_hs3->sd = discard_const_p(struct security_descriptor, psd);
xacl.info.sd_hs3->hash_type = hash_type;
memcpy(&xacl.info.sd_hs3->hash[0], hash, XATTR_SD_HASH_SIZE);
mode_t dir_mode;
mode_t file_mode;
mode_t mode;
- struct security_ace *new_ace_list = TALLOC_ZERO_ARRAY(talloc_tos(),
+ struct security_ace *new_ace_list = talloc_zero_array(talloc_tos(),
struct security_ace,
num_aces + 3);
/* Fake a quick smb_filename. */
ZERO_STRUCT(smb_fname);
smb_fname.st = *psbuf;
- smb_fname.base_name = CONST_DISCARD(char *, name);
+ smb_fname.base_name = discard_const_p(char, name);
dir_mode = unix_mode(conn,
FILE_ATTRIBUTE_DIRECTORY, &smb_fname, NULL);
uint32_t security_info,
struct security_descriptor **ppdesc)
{
- DATA_BLOB blob;
+ DATA_BLOB blob = data_blob_null;
NTSTATUS status;
uint16_t hash_type = XATTR_SD_HASH_TYPE_NONE;
uint8_t hash[XATTR_SD_HASH_SIZE];
psd->group_sid = NULL;
}
if (!(security_info & SECINFO_DACL)) {
+ psd->type &= ~SEC_DESC_DACL_PRESENT;
psd->dacl = NULL;
}
if (!(security_info & SECINFO_SACL)) {
+ psd->type &= ~SEC_DESC_SACL_PRESENT;
psd->sacl = NULL;
}
return NT_STATUS_OK;
}
-/*********************************************************************
- Create a default ACL by inheriting from the parent. If no inheritance
- from the parent available, don't set anything. This will leave the actual
- permissions the new file or directory already got from the filesystem
- as the NT ACL when read.
-*********************************************************************/
-
-static NTSTATUS inherit_new_acl(vfs_handle_struct *handle,
- files_struct *fsp,
- struct security_descriptor *parent_desc,
- bool is_directory)
-{
- TALLOC_CTX *ctx = talloc_tos();
- NTSTATUS status = NT_STATUS_OK;
- struct security_descriptor *psd = NULL;
- size_t size;
-
- if (!sd_has_inheritable_components(parent_desc, is_directory)) {
- return NT_STATUS_OK;
- }
-
- /* Create an inherited descriptor from the parent. */
-
- if (DEBUGLEVEL >= 10) {
- DEBUG(10,("inherit_new_acl: parent acl for %s is:\n",
- fsp_str_dbg(fsp) ));
- NDR_PRINT_DEBUG(security_descriptor, parent_desc);
- }
-
- status = se_create_child_secdesc(ctx,
- &psd,
- &size,
- parent_desc,
- &handle->conn->session_info->security_token->sids[PRIMARY_USER_SID_INDEX],
- &handle->conn->session_info->security_token->sids[PRIMARY_GROUP_SID_INDEX],
- is_directory);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- if (DEBUGLEVEL >= 10) {
- DEBUG(10,("inherit_new_acl: child acl for %s is:\n",
- fsp_str_dbg(fsp) ));
- NDR_PRINT_DEBUG(security_descriptor, parent_desc);
- }
-
- return SMB_VFS_FSET_NT_ACL(fsp,
- (SECINFO_OWNER |
- SECINFO_GROUP |
- SECINFO_DACL),
- psd);
-}
-
-static NTSTATUS get_parent_acl_common(vfs_handle_struct *handle,
- const char *path,
- struct security_descriptor **pp_parent_desc)
-{
- char *parent_name = NULL;
- NTSTATUS status;
-
- if (!parent_dirname(talloc_tos(), path, &parent_name, NULL)) {
- return NT_STATUS_NO_MEMORY;
- }
-
- status = get_nt_acl_internal(handle,
- NULL,
- parent_name,
- (SECINFO_OWNER |
- SECINFO_GROUP |
- SECINFO_DACL),
- pp_parent_desc);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10,("get_parent_acl_common: get_nt_acl_internal "
- "on directory %s for "
- "path %s returned %s\n",
- parent_name,
- path,
- nt_errstr(status) ));
- }
- return status;
-}
-
-static NTSTATUS check_parent_acl_common(vfs_handle_struct *handle,
- const char *path,
- uint32_t access_mask,
- struct security_descriptor **pp_parent_desc)
-{
- char *parent_name = NULL;
- struct security_descriptor *parent_desc = NULL;
- uint32_t access_granted = 0;
- NTSTATUS status;
-
- status = get_parent_acl_common(handle, path, &parent_desc);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
- if (pp_parent_desc) {
- *pp_parent_desc = parent_desc;
- }
- status = smb1_file_se_access_check(handle->conn,
- parent_desc,
- get_current_nttok(handle->conn),
- access_mask,
- &access_granted);
- if(!NT_STATUS_IS_OK(status)) {
- DEBUG(10,("check_parent_acl_common: access check "
- "on directory %s for "
- "path %s for mask 0x%x returned %s\n",
- parent_name,
- path,
- access_mask,
- nt_errstr(status) ));
- return status;
- }
- return NT_STATUS_OK;
-}
-
-/*********************************************************************
- Check ACL on open. For new files inherit from parent directory.
-*********************************************************************/
-
-static int open_acl_common(vfs_handle_struct *handle,
- struct smb_filename *smb_fname,
- files_struct *fsp,
- int flags,
- mode_t mode)
-{
- uint32_t access_granted = 0;
- struct security_descriptor *pdesc = NULL;
- bool file_existed = true;
- char *fname = NULL;
- NTSTATUS status;
-
- if (fsp->base_fsp) {
- /* Stream open. Base filename open already did the ACL check. */
- DEBUG(10,("open_acl_common: stream open on %s\n",
- fsp_str_dbg(fsp) ));
- return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
- }
-
- status = get_full_smb_filename(talloc_tos(), smb_fname,
- &fname);
- if (!NT_STATUS_IS_OK(status)) {
- goto err;
- }
-
- status = get_nt_acl_internal(handle,
- NULL,
- fname,
- (SECINFO_OWNER |
- SECINFO_GROUP |
- SECINFO_DACL),
- &pdesc);
- if (NT_STATUS_IS_OK(status)) {
- /* See if we can access it. */
- status = smb1_file_se_access_check(handle->conn,
- pdesc,
- get_current_nttok(handle->conn),
- fsp->access_mask,
- &access_granted);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10,("open_acl_xattr: %s open "
- "refused with error %s\n",
- fsp_str_dbg(fsp),
- nt_errstr(status) ));
- goto err;
- }
- } else if (NT_STATUS_EQUAL(status,NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
- file_existed = false;
- /*
- * If O_CREAT is true then we're trying to create a file.
- * Check the parent directory ACL will allow this.
- */
- if (flags & O_CREAT) {
- struct security_descriptor *parent_desc = NULL;
- struct security_descriptor **pp_psd = NULL;
-
- status = check_parent_acl_common(handle, fname,
- SEC_DIR_ADD_FILE, &parent_desc);
- if (!NT_STATUS_IS_OK(status)) {
- goto err;
- }
-
- /* Cache the parent security descriptor for
- * later use. */
-
- pp_psd = VFS_ADD_FSP_EXTENSION(handle,
- fsp,
- struct security_descriptor *,
- NULL);
- if (!pp_psd) {
- status = NT_STATUS_NO_MEMORY;
- goto err;
- }
-
- *pp_psd = parent_desc;
- status = NT_STATUS_OK;
- }
- }
-
- DEBUG(10,("open_acl_xattr: get_nt_acl_attr_internal for "
- "%s returned %s\n",
- fsp_str_dbg(fsp),
- nt_errstr(status) ));
-
- fsp->fh->fd = SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
- return fsp->fh->fd;
-
- err:
-
- errno = map_errno_from_nt_status(status);
- return -1;
-}
-
-static int mkdir_acl_common(vfs_handle_struct *handle, const char *path, mode_t mode)
-{
- int ret;
- NTSTATUS status;
- SMB_STRUCT_STAT sbuf;
-
- ret = vfs_stat_smb_fname(handle->conn, path, &sbuf);
- if (ret == -1 && errno == ENOENT) {
- /* We're creating a new directory. */
- status = check_parent_acl_common(handle, path,
- SEC_DIR_ADD_SUBDIR, NULL);
- if (!NT_STATUS_IS_OK(status)) {
- errno = map_errno_from_nt_status(status);
- return -1;
- }
- }
-
- return SMB_VFS_NEXT_MKDIR(handle, path, mode);
-}
-
/*********************************************************************
Fetch a security descriptor given an fsp.
*********************************************************************/
DEBUG(10,("fset_nt_acl_xattr: incoming sd for file %s\n",
fsp_str_dbg(fsp)));
NDR_PRINT_DEBUG(security_descriptor,
- CONST_DISCARD(struct security_descriptor *,orig_psd));
+ discard_const_p(struct security_descriptor, orig_psd));
}
status = get_nt_acl_internal(handle, fsp,
DEBUG(10,("fset_nt_acl_xattr: storing xattr sd for file %s\n",
fsp_str_dbg(fsp)));
NDR_PRINT_DEBUG(security_descriptor,
- CONST_DISCARD(struct security_descriptor *,psd));
+ discard_const_p(struct security_descriptor, psd));
}
create_acl_blob(psd, &blob, XATTR_SD_HASH_TYPE_SHA256, hash);
store_acl_blob_fsp(handle, fsp, &blob);
return NT_STATUS_OK;
}
-static SMB_STRUCT_DIR *opendir_acl_common(vfs_handle_struct *handle,
- const char *fname, const char *mask, uint32 attr)
-{
- NTSTATUS status = check_parent_acl_common(handle, fname,
- SEC_DIR_LIST, NULL);
-
- if (!NT_STATUS_IS_OK(status)) {
- errno = map_errno_from_nt_status(status);
- return NULL;
- }
- return SMB_VFS_NEXT_OPENDIR(handle, fname, mask, attr);
-}
-
static int acl_common_remove_object(vfs_handle_struct *handle,
const char *path,
bool is_directory)
const char *final_component = NULL;
struct smb_filename local_fname;
int saved_errno = 0;
+ char *saved_dir = NULL;
+
+ saved_dir = vfs_GetWd(talloc_tos(),conn);
+ if (!saved_dir) {
+ saved_errno = errno;
+ goto out;
+ }
if (!parent_dirname(talloc_tos(), path,
&parent_dir, &final_component)) {
parent_dir, final_component ));
/* cd into the parent dir to pin it. */
- ret = SMB_VFS_CHDIR(conn, parent_dir);
+ ret = vfs_ChDir(conn, parent_dir);
if (ret == -1) {
saved_errno = errno;
goto out;
}
ZERO_STRUCT(local_fname);
- local_fname.base_name = CONST_DISCARD(char *,final_component);
+ local_fname.base_name = discard_const_p(char, final_component);
/* Must use lstat here. */
ret = SMB_VFS_LSTAT(conn, &local_fname);
/* Ensure we have this file open with DELETE access. */
id = vfs_file_id_from_sbuf(conn, &local_fname.st);
for (fsp = file_find_di_first(conn->sconn, id); fsp;
- file_find_di_next(fsp)) {
+ fsp = file_find_di_next(fsp)) {
if (fsp->access_mask & DELETE_ACCESS &&
fsp->delete_on_close) {
/* We did open this for delete,
TALLOC_FREE(parent_dir);
- vfs_ChDir(conn, conn->connectpath);
+ if (saved_dir) {
+ vfs_ChDir(conn, saved_dir);
+ }
if (saved_errno) {
errno = saved_errno;
}
true);
}
-static NTSTATUS create_file_acl_common(struct vfs_handle_struct *handle,
- struct smb_request *req,
- uint16_t root_dir_fid,
- struct smb_filename *smb_fname,
- uint32_t access_mask,
- uint32_t share_access,
- uint32_t create_disposition,
- uint32_t create_options,
- uint32_t file_attributes,
- uint32_t oplock_request,
- uint64_t allocation_size,
- uint32_t private_flags,
- struct security_descriptor *sd,
- struct ea_list *ea_list,
- files_struct **result,
- int *pinfo)
-{
- NTSTATUS status, status1;
- files_struct *fsp = NULL;
- int info;
- struct security_descriptor *parent_sd = NULL;
- struct security_descriptor **pp_parent_sd = NULL;
-
- status = SMB_VFS_NEXT_CREATE_FILE(handle,
- req,
- root_dir_fid,
- smb_fname,
- access_mask,
- share_access,
- create_disposition,
- create_options,
- file_attributes,
- oplock_request,
- allocation_size,
- private_flags,
- sd,
- ea_list,
- result,
- &info);
-
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
-
- if (info != FILE_WAS_CREATED) {
- /* File/directory was opened, not created. */
- goto out;
- }
-
- fsp = *result;
-
- if (fsp == NULL) {
- /* Only handle success. */
- goto out;
- }
-
- if (sd) {
- /* Security descriptor already set. */
- goto out;
- }
-
- if (fsp->base_fsp) {
- /* Stream open. */
- goto out;
- }
-
- /* See if we have a cached parent sd, if so, use it. */
- pp_parent_sd = (struct security_descriptor **)VFS_FETCH_FSP_EXTENSION(handle, fsp);
- if (!pp_parent_sd) {
- /* Must be a directory, fetch again (sigh). */
- status = get_parent_acl_common(handle,
- fsp->fsp_name->base_name,
- &parent_sd);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
- } else {
- parent_sd = *pp_parent_sd;
- }
-
- if (!parent_sd) {
- goto err;
- }
-
- /* New directory - inherit from parent. */
- status1 = inherit_new_acl(handle, fsp, parent_sd, fsp->is_directory);
-
- if (!NT_STATUS_IS_OK(status1)) {
- DEBUG(1,("create_file_acl_common: error setting "
- "sd for %s (%s)\n",
- fsp_str_dbg(fsp),
- nt_errstr(status1) ));
- }
-
- out:
-
- if (fsp) {
- VFS_REMOVE_FSP_EXTENSION(handle, fsp);
- }
-
- if (NT_STATUS_IS_OK(status) && pinfo) {
- *pinfo = info;
- }
- return status;
-
- err:
-
- smb_panic("create_file_acl_common: logic error.\n");
- /* NOTREACHED */
- return status;
-}
-
static int unlink_acl_common(struct vfs_handle_struct *handle,
const struct smb_filename *smb_fname)
{
git.samba.org / kai / samba.git / blobdiff