Jeremy.
VFS_AIO_FORK_OBJ = modules/vfs_aio_fork.o
VFS_PREOPEN_OBJ = modules/vfs_preopen.o
VFS_SYNCOPS_OBJ = modules/vfs_syncops.o
-VFS_ACL_XATTR_OBJ = modules/vfs_acl_xattr.o
-VFS_ACL_TDB_OBJ = modules/vfs_acl_tdb.o
+VFS_ACL_XATTR_OBJ = modules/vfs_acl_xattr.o modules/vfs_acl_common.o
+VFS_ACL_TDB_OBJ = modules/vfs_acl_tdb.o modules/vfs_acl_common.o
VFS_SMB_TRAFFIC_ANALYZER_OBJ = modules/vfs_smb_traffic_analyzer.o
VFS_ONEFS_OBJ = modules/vfs_onefs.o modules/onefs_acl.o modules/onefs_system.o \
modules/onefs_open.o modules/onefs_streams.o modules/onefs_dir.o \
uint32_t ds_gtype2atype(uint32_t gtype);
enum lsa_SidType ds_atype_map(uint32_t atype);
+/* The following definitions come from modules/vfs_acl_xattr.c */
+NTSTATUS get_acl_blob(TALLOC_CTX *ctx,
+ vfs_handle_struct *handle,
+ files_struct *fsp,
+ const char *name,
+ DATA_BLOB *pblob);
+NTSTATUS store_acl_blob_fsp(vfs_handle_struct *handle,
+ files_struct *fsp,
+ DATA_BLOB *pblob);
+NTSTATUS store_acl_blob_pathname(vfs_handle_struct *handle,
+ const char *fname,
+ DATA_BLOB *pblob);
+
+/* The following definitions come from modules/vfs_acl_common.c */
+int open_acl_common(vfs_handle_struct *handle,
+ struct smb_filename *smb_fname,
+ files_struct *fsp,
+ int flags,
+ mode_t mode);
+int mkdir_acl_common(vfs_handle_struct *handle, const char *path, mode_t mode);
+NTSTATUS fget_nt_acl_common(vfs_handle_struct *handle, files_struct *fsp,
+ uint32_t security_info, struct security_descriptor **ppdesc);
+NTSTATUS get_nt_acl_common(vfs_handle_struct *handle,
+ const char *name, uint32_t security_info, struct security_descriptor **ppdesc);
+NTSTATUS fset_nt_acl_common(vfs_handle_struct *handle, files_struct *fsp,
+ uint32_t security_info_sent, const struct security_descriptor *psd);
+
#endif /* _PROTO_H_ */
--- /dev/null
+/*
+ * Store Windows ACLs in data store - common functions.
+ *
+ * Copyright (C) Volker Lendecke, 2008
+ * Copyright (C) Jeremy Allison, 2009
+ *
+ * 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+/* NOTE: This is an experimental module, not yet finished. JRA. */
+
+#include "includes.h"
+#include "librpc/gen_ndr/xattr.h"
+#include "librpc/gen_ndr/ndr_xattr.h"
+#include "../lib/crypto/crypto.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_VFS
+
+static NTSTATUS create_acl_blob(const struct security_descriptor *psd,
+ DATA_BLOB *pblob,
+ uint16_t hash_type,
+ uint8_t hash[XATTR_SD_HASH_SIZE]);
+
+#define HASH_SECURITY_INFO (OWNER_SECURITY_INFORMATION | \
+ GROUP_SECURITY_INFORMATION | \
+ DACL_SECURITY_INFORMATION | \
+ SACL_SECURITY_INFORMATION)
+
+/*******************************************************************
+ Hash a security descriptor.
+*******************************************************************/
+
+static NTSTATUS hash_sd_sha256(struct security_descriptor *psd,
+ uint8_t *hash)
+{
+ DATA_BLOB blob;
+ SHA256_CTX tctx;
+ NTSTATUS status;
+
+ memset(hash, '\0', XATTR_SD_HASH_SIZE);
+ status = create_acl_blob(psd, &blob, XATTR_SD_HASH_TYPE_SHA256, hash);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ SHA256_Init(&tctx);
+ SHA256_Update(&tctx, blob.data, blob.length);
+ SHA256_Final(hash, &tctx);
+
+ return NT_STATUS_OK;
+}
+
+/*******************************************************************
+ Parse out a struct security_descriptor from a DATA_BLOB.
+*******************************************************************/
+
+static NTSTATUS parse_acl_blob(const DATA_BLOB *pblob,
+ struct security_descriptor **ppdesc,
+ uint16_t *p_hash_type,
+ uint8_t hash[XATTR_SD_HASH_SIZE])
+{
+ TALLOC_CTX *ctx = talloc_tos();
+ struct xattr_NTACL xacl;
+ enum ndr_err_code ndr_err;
+ size_t sd_size;
+
+ ndr_err = ndr_pull_struct_blob(pblob, ctx, NULL, &xacl,
+ (ndr_pull_flags_fn_t)ndr_pull_xattr_NTACL);
+
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ DEBUG(5, ("parse_acl_blob: ndr_pull_xattr_NTACL failed: %s\n",
+ ndr_errstr(ndr_err)));
+ return ndr_map_error2ntstatus(ndr_err);;
+ }
+
+ switch (xacl.version) {
+ case 2:
+ *ppdesc = make_sec_desc(ctx, SEC_DESC_REVISION,
+ xacl.info.sd_hs2->sd->type | SEC_DESC_SELF_RELATIVE,
+ xacl.info.sd_hs2->sd->owner_sid,
+ xacl.info.sd_hs2->sd->group_sid,
+ xacl.info.sd_hs2->sd->sacl,
+ xacl.info.sd_hs2->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 3:
+ *ppdesc = make_sec_desc(ctx, SEC_DESC_REVISION,
+ xacl.info.sd_hs3->sd->type | SEC_DESC_SELF_RELATIVE,
+ xacl.info.sd_hs3->sd->owner_sid,
+ xacl.info.sd_hs3->sd->group_sid,
+ xacl.info.sd_hs3->sd->sacl,
+ xacl.info.sd_hs3->sd->dacl,
+ &sd_size);
+ *p_hash_type = xacl.info.sd_hs3->hash_type;
+ /* Current version 3. */
+ memcpy(hash, xacl.info.sd_hs3->hash, XATTR_SD_HASH_SIZE);
+ break;
+ default:
+ return NT_STATUS_REVISION_MISMATCH;
+ }
+
+ TALLOC_FREE(xacl.info.sd);
+
+ return (*ppdesc != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
+}
+
+/*******************************************************************
+ Create a DATA_BLOB from a security descriptor.
+*******************************************************************/
+
+static NTSTATUS create_acl_blob(const struct security_descriptor *psd,
+ DATA_BLOB *pblob,
+ uint16_t hash_type,
+ uint8_t hash[XATTR_SD_HASH_SIZE])
+{
+ struct xattr_NTACL xacl;
+ struct security_descriptor_hash_v3 sd_hs3;
+ enum ndr_err_code ndr_err;
+ TALLOC_CTX *ctx = talloc_tos();
+
+ ZERO_STRUCT(xacl);
+ ZERO_STRUCT(sd_hs3);
+
+ xacl.version = 3;
+ xacl.info.sd_hs3 = &sd_hs3;
+ xacl.info.sd_hs3->sd = CONST_DISCARD(struct security_descriptor *, psd);
+ xacl.info.sd_hs3->hash_type = hash_type;
+ memcpy(&xacl.info.sd_hs3->hash[0], hash, XATTR_SD_HASH_SIZE);
+
+ ndr_err = ndr_push_struct_blob(
+ pblob, ctx, NULL, &xacl,
+ (ndr_push_flags_fn_t)ndr_push_xattr_NTACL);
+
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ DEBUG(5, ("create_acl_blob: ndr_push_xattr_NTACL failed: %s\n",
+ ndr_errstr(ndr_err)));
+ return ndr_map_error2ntstatus(ndr_err);;
+ }
+
+ return NT_STATUS_OK;
+}
+
+/*******************************************************************
+ Store a DATA_BLOB into an xattr given a pathname.
+*******************************************************************/
+
+static NTSTATUS get_nt_acl_internal(vfs_handle_struct *handle,
+ files_struct *fsp,
+ const char *name,
+ uint32_t security_info,
+ struct security_descriptor **ppdesc)
+{
+ DATA_BLOB blob;
+ NTSTATUS status;
+ uint16_t hash_type;
+ uint8_t hash[XATTR_SD_HASH_SIZE];
+ uint8_t hash_tmp[XATTR_SD_HASH_SIZE];
+ struct security_descriptor *pdesc_next = NULL;
+
+ if (fsp && name == NULL) {
+ name = fsp->fsp_name->base_name;
+ }
+
+ DEBUG(10, ("get_nt_acl_internal: name=%s\n", name));
+
+ status = get_acl_blob(talloc_tos(), handle, fsp, name, &blob);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("get_acl_blob returned %s\n", nt_errstr(status)));
+ return status;
+ }
+
+ status = parse_acl_blob(&blob, ppdesc,
+ &hash_type, &hash[0]);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("parse_acl_blob returned %s\n",
+ nt_errstr(status)));
+ return status;
+ }
+
+ /* Ensure the hash type is one we know. */
+ switch (hash_type) {
+ case XATTR_SD_HASH_TYPE_NONE:
+ /* No hash, goto return blob sd. */
+ goto out;
+ case XATTR_SD_HASH_TYPE_SHA256:
+ break;
+ default:
+ return NT_STATUS_REVISION_MISMATCH;
+ }
+
+ /* Get the full underlying sd, then hash. */
+ if (fsp) {
+ status = SMB_VFS_NEXT_FGET_NT_ACL(handle,
+ fsp,
+ HASH_SECURITY_INFO,
+ &pdesc_next);
+ } else {
+ status = SMB_VFS_NEXT_GET_NT_ACL(handle,
+ name,
+ HASH_SECURITY_INFO,
+ &pdesc_next);
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto out;
+ }
+
+ status = hash_sd_sha256(pdesc_next, hash_tmp);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto out;
+ }
+
+ if (memcmp(&hash[0], &hash_tmp[0], XATTR_SD_HASH_SIZE) == 0) {
+ TALLOC_FREE(pdesc_next);
+ /* Hash matches, return blob sd. */
+ goto out;
+ }
+
+ /* Hash doesn't match, return underlying sd. */
+
+ if (!(security_info & OWNER_SECURITY_INFORMATION)) {
+ pdesc_next->owner_sid = NULL;
+ }
+ if (!(security_info & GROUP_SECURITY_INFORMATION)) {
+ pdesc_next->group_sid = NULL;
+ }
+ if (!(security_info & DACL_SECURITY_INFORMATION)) {
+ pdesc_next->dacl = NULL;
+ }
+ if (!(security_info & SACL_SECURITY_INFORMATION)) {
+ pdesc_next->sacl = NULL;
+ }
+
+ TALLOC_FREE(*ppdesc);
+ *ppdesc = pdesc_next;
+
+ out:
+
+ if (!(security_info & OWNER_SECURITY_INFORMATION)) {
+ (*ppdesc)->owner_sid = NULL;
+ }
+ if (!(security_info & GROUP_SECURITY_INFORMATION)) {
+ (*ppdesc)->group_sid = NULL;
+ }
+ if (!(security_info & DACL_SECURITY_INFORMATION)) {
+ (*ppdesc)->dacl = NULL;
+ }
+ if (!(security_info & SACL_SECURITY_INFORMATION)) {
+ (*ppdesc)->sacl = NULL;
+ }
+
+ TALLOC_FREE(blob.data);
+ return status;
+}
+
+/*********************************************************************
+ Create a default security descriptor for a file in case no inheritance
+ exists. All permissions to the owner and SYSTEM.
+*********************************************************************/
+
+static struct security_descriptor *default_file_sd(TALLOC_CTX *mem_ctx,
+ SMB_STRUCT_STAT *psbuf)
+{
+ struct dom_sid owner_sid, group_sid;
+ size_t sd_size;
+ struct security_ace *pace = NULL;
+ struct security_acl *pacl = NULL;
+
+ uid_to_sid(&owner_sid, psbuf->st_ex_uid);
+ gid_to_sid(&group_sid, psbuf->st_ex_gid);
+
+ pace = TALLOC_ARRAY(mem_ctx, struct security_ace, 2);
+ if (!pace) {
+ return NULL;
+ }
+
+ init_sec_ace(&pace[0], &owner_sid, SEC_ACE_TYPE_ACCESS_ALLOWED,
+ SEC_RIGHTS_FILE_ALL, 0);
+ init_sec_ace(&pace[1], &global_sid_System, SEC_ACE_TYPE_ACCESS_ALLOWED,
+ SEC_RIGHTS_FILE_ALL, 0);
+
+ pacl = make_sec_acl(mem_ctx,
+ NT4_ACL_REVISION,
+ 2,
+ pace);
+ if (!pacl) {
+ return NULL;
+ }
+ return make_sec_desc(mem_ctx,
+ SECURITY_DESCRIPTOR_REVISION_1,
+ SEC_DESC_SELF_RELATIVE|SEC_DESC_DACL_PRESENT,
+ &owner_sid,
+ &group_sid,
+ NULL,
+ pacl,
+ &sd_size);
+}
+
+/*********************************************************************
+*********************************************************************/
+
+static NTSTATUS inherit_new_acl(vfs_handle_struct *handle,
+ struct smb_filename *smb_fname,
+ files_struct *fsp,
+ bool container)
+{
+ TALLOC_CTX *ctx = talloc_tos();
+ NTSTATUS status;
+ struct security_descriptor *parent_desc = NULL;
+ struct security_descriptor *psd = NULL;
+ struct security_descriptor *pdesc_next = NULL;
+ DATA_BLOB blob;
+ size_t size;
+ char *parent_name;
+ uint8_t hash[XATTR_SD_HASH_SIZE];
+
+ if (!parent_dirname(ctx, smb_fname->base_name, &parent_name, NULL)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ DEBUG(10,("inherit_new_acl: check directory %s\n",
+ parent_name));
+
+ status = get_nt_acl_internal(handle,
+ NULL,
+ parent_name,
+ (OWNER_SECURITY_INFORMATION |
+ GROUP_SECURITY_INFORMATION |
+ DACL_SECURITY_INFORMATION),
+ &parent_desc);
+ if (NT_STATUS_IS_OK(status)) {
+ /* Create an inherited descriptor from the parent. */
+
+ if (DEBUGLEVEL >= 10) {
+ DEBUG(10,("inherit_new_acl: parent acl is:\n"));
+ NDR_PRINT_DEBUG(security_descriptor, parent_desc);
+ }
+
+ status = se_create_child_secdesc(ctx,
+ &psd,
+ &size,
+ parent_desc,
+ &handle->conn->server_info->ptok->user_sids[PRIMARY_USER_SID_INDEX],
+ &handle->conn->server_info->ptok->user_sids[PRIMARY_GROUP_SID_INDEX],
+ container);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ if (DEBUGLEVEL >= 10) {
+ DEBUG(10,("inherit_new_acl: child acl is:\n"));
+ NDR_PRINT_DEBUG(security_descriptor, psd);
+ }
+
+ } else {
+ DEBUG(10,("inherit_new_acl: directory %s failed "
+ "to get acl %s\n",
+ parent_name,
+ nt_errstr(status) ));
+ }
+
+ if (!psd || psd->dacl == NULL) {
+ int ret;
+
+ TALLOC_FREE(psd);
+ if (fsp && !fsp->is_directory && fsp->fh->fd != -1) {
+ ret = SMB_VFS_FSTAT(fsp, &smb_fname->st);
+ } else {
+ if (fsp && fsp->posix_open) {
+ ret = SMB_VFS_LSTAT(handle->conn, smb_fname);
+ } else {
+ ret = SMB_VFS_STAT(handle->conn, smb_fname);
+ }
+ }
+ if (ret == -1) {
+ return map_nt_error_from_unix(errno);
+ }
+ psd = default_file_sd(ctx, &smb_fname->st);
+ if (!psd) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (DEBUGLEVEL >= 10) {
+ DEBUG(10,("inherit_new_acl: default acl is:\n"));
+ NDR_PRINT_DEBUG(security_descriptor, psd);
+ }
+ }
+
+ /* Object exists. Read the current SD to get the hash. */
+ if (fsp) {
+ status = SMB_VFS_NEXT_FGET_NT_ACL(handle,
+ fsp,
+ HASH_SECURITY_INFO,
+ &pdesc_next);
+ } else {
+ status = SMB_VFS_NEXT_GET_NT_ACL(handle,
+ smb_fname->base_name,
+ HASH_SECURITY_INFO,
+ &pdesc_next);
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ status = hash_sd_sha256(pdesc_next, hash);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+ status = create_acl_blob(psd, &blob, XATTR_SD_HASH_TYPE_SHA256, hash);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+ if (fsp) {
+ return store_acl_blob_fsp(handle, fsp, &blob);
+ } else {
+ return store_acl_blob_pathname(handle, smb_fname->base_name,
+ &blob);
+ }
+}
+
+/*********************************************************************
+ Check ACL on open. For new files inherit from parent directory.
+*********************************************************************/
+
+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",
+ smb_fname_str_dbg(smb_fname) ));
+ 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)) {
+ errno = map_errno_from_nt_status(status);
+ return -1;
+ }
+
+ status = get_nt_acl_internal(handle,
+ NULL,
+ fname,
+ (OWNER_SECURITY_INFORMATION |
+ GROUP_SECURITY_INFORMATION |
+ DACL_SECURITY_INFORMATION),
+ &pdesc);
+ if (NT_STATUS_IS_OK(status)) {
+ /* See if we can access it. */
+ status = smb1_file_se_access_check(pdesc,
+ handle->conn->server_info->ptok,
+ fsp->access_mask,
+ &access_granted);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10,("open_acl_xattr: file %s open "
+ "refused with error %s\n",
+ smb_fname_str_dbg(smb_fname),
+ nt_errstr(status) ));
+ errno = map_errno_from_nt_status(status);
+ return -1;
+ }
+ } else if (NT_STATUS_EQUAL(status,NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
+ file_existed = false;
+ }
+
+ DEBUG(10,("open_acl_xattr: get_nt_acl_attr_internal for "
+ "file %s returned %s\n",
+ smb_fname_str_dbg(smb_fname),
+ nt_errstr(status) ));
+
+ fsp->fh->fd = SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
+
+ if (!file_existed && fsp->fh->fd != -1) {
+ /* File was created. Inherit from parent directory. */
+ status = fsp_set_smb_fname(fsp, smb_fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ errno = map_errno_from_nt_status(status);
+ return -1;
+ }
+ inherit_new_acl(handle, smb_fname, fsp, false);
+ }
+
+ return fsp->fh->fd;
+}
+
+int mkdir_acl_common(vfs_handle_struct *handle, const char *path, mode_t mode)
+{
+ struct smb_filename *smb_fname = NULL;
+ int ret = SMB_VFS_NEXT_MKDIR(handle, path, mode);
+ NTSTATUS status;
+
+ if (ret == -1) {
+ return ret;
+ }
+
+ status = create_synthetic_smb_fname(talloc_tos(), path, NULL, NULL,
+ &smb_fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ errno = map_errno_from_nt_status(status);
+ return -1;
+ }
+
+ /* New directory - inherit from parent. */
+ inherit_new_acl(handle, smb_fname, NULL, true);
+ TALLOC_FREE(smb_fname);
+ return ret;
+}
+
+/*********************************************************************
+ Fetch a security descriptor given an fsp.
+*********************************************************************/
+
+NTSTATUS fget_nt_acl_common(vfs_handle_struct *handle, files_struct *fsp,
+ uint32_t security_info, struct security_descriptor **ppdesc)
+{
+ return get_nt_acl_internal(handle, fsp,
+ NULL, security_info, ppdesc);
+}
+
+/*********************************************************************
+ Fetch a security descriptor given a pathname.
+*********************************************************************/
+
+NTSTATUS get_nt_acl_common(vfs_handle_struct *handle,
+ const char *name, uint32_t security_info, struct security_descriptor **ppdesc)
+{
+ return get_nt_acl_internal(handle, NULL,
+ name, security_info, ppdesc);
+}
+
+/*********************************************************************
+ Store a security descriptor given an fsp.
+*********************************************************************/
+
+NTSTATUS fset_nt_acl_common(vfs_handle_struct *handle, files_struct *fsp,
+ uint32_t security_info_sent, const struct security_descriptor *psd)
+{
+ NTSTATUS status;
+ DATA_BLOB blob;
+ struct security_descriptor *pdesc_next = NULL;
+ uint8_t hash[XATTR_SD_HASH_SIZE];
+
+ if (DEBUGLEVEL >= 10) {
+ 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 *,psd));
+ }
+
+ /* Ensure owner and group are set. */
+ if (!psd->owner_sid || !psd->group_sid) {
+ int ret;
+ DOM_SID owner_sid, group_sid;
+ struct security_descriptor *nc_psd = dup_sec_desc(talloc_tos(), psd);
+
+ if (!nc_psd) {
+ return NT_STATUS_OK;
+ }
+ if (fsp->is_directory || fsp->fh->fd == -1) {
+ if (fsp->posix_open) {
+ ret = SMB_VFS_LSTAT(fsp->conn, fsp->fsp_name);
+ } else {
+ ret = SMB_VFS_STAT(fsp->conn, fsp->fsp_name);
+ }
+ } else {
+ ret = SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st);
+ }
+ if (ret == -1) {
+ /* Lower level acl set succeeded,
+ * so still return OK. */
+ return NT_STATUS_OK;
+ }
+ create_file_sids(&fsp->fsp_name->st, &owner_sid, &group_sid);
+ /* This is safe as nc_psd is discarded at fn exit. */
+ nc_psd->owner_sid = &owner_sid;
+ nc_psd->group_sid = &group_sid;
+ security_info_sent |= (OWNER_SECURITY_INFORMATION|GROUP_SECURITY_INFORMATION);
+ psd = nc_psd;
+ }
+
+ status = SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ /* Get the full underlying sd, then hash. */
+ status = SMB_VFS_NEXT_FGET_NT_ACL(handle,
+ fsp,
+ HASH_SECURITY_INFO,
+ &pdesc_next);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ status = hash_sd_sha256(pdesc_next, hash);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ if (DEBUGLEVEL >= 10) {
+ 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));
+ }
+ create_acl_blob(psd, &blob, XATTR_SD_HASH_TYPE_SHA256, hash);
+ store_acl_blob_fsp(handle, fsp, &blob);
+
+ return NT_STATUS_OK;
+}
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_VFS
-static NTSTATUS create_acl_blob(const struct security_descriptor *psd,
- DATA_BLOB *pblob,
- uint16_t hash_type,
- uint8_t hash[XATTR_SD_HASH_SIZE]);
-
-#define HASH_SECURITY_INFO (OWNER_SECURITY_INFORMATION | \
- GROUP_SECURITY_INFORMATION | \
- DACL_SECURITY_INFORMATION | \
- SACL_SECURITY_INFORMATION)
-
static unsigned int ref_count;
static struct db_context *acl_db;
return status;
}
-/*******************************************************************
- Hash a security descriptor.
-*******************************************************************/
-
-static NTSTATUS hash_sd_sha256(struct security_descriptor *psd,
- uint8_t hash[XATTR_SD_HASH_SIZE])
-{
- DATA_BLOB blob;
- SHA256_CTX tctx;
- NTSTATUS status;
-
- memset(hash, '\0', XATTR_SD_HASH_SIZE);
- status = create_acl_blob(psd, &blob, XATTR_SD_HASH_TYPE_SHA256, hash);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- SHA256_Init(&tctx);
- SHA256_Update(&tctx, blob.data, blob.length);
- SHA256_Final(hash, &tctx);
-
- return NT_STATUS_OK;
-}
-
-/*******************************************************************
- Parse out a struct security_descriptor from a DATA_BLOB.
-*******************************************************************/
-
-static NTSTATUS parse_acl_blob(const DATA_BLOB *pblob,
- struct security_descriptor **ppdesc,
- uint16_t *p_hash_type,
- uint8_t hash[XATTR_SD_HASH_SIZE])
-{
- TALLOC_CTX *ctx = talloc_tos();
- struct xattr_NTACL xacl;
- enum ndr_err_code ndr_err;
- size_t sd_size;
-
- ndr_err = ndr_pull_struct_blob(pblob, ctx, NULL, &xacl,
- (ndr_pull_flags_fn_t)ndr_pull_xattr_NTACL);
-
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- DEBUG(5, ("parse_acl_blob: ndr_pull_xattr_NTACL failed: %s\n",
- ndr_errstr(ndr_err)));
- return ndr_map_error2ntstatus(ndr_err);;
- }
-
- switch (xacl.version) {
- case 2:
- *ppdesc = make_sec_desc(ctx, SEC_DESC_REVISION,
- xacl.info.sd_hs2->sd->type | SEC_DESC_SELF_RELATIVE,
- xacl.info.sd_hs2->sd->owner_sid,
- xacl.info.sd_hs2->sd->group_sid,
- xacl.info.sd_hs2->sd->sacl,
- xacl.info.sd_hs2->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 3:
- *ppdesc = make_sec_desc(ctx, SEC_DESC_REVISION,
- xacl.info.sd_hs3->sd->type | SEC_DESC_SELF_RELATIVE,
- xacl.info.sd_hs3->sd->owner_sid,
- xacl.info.sd_hs3->sd->group_sid,
- xacl.info.sd_hs3->sd->sacl,
- xacl.info.sd_hs3->sd->dacl,
- &sd_size);
- *p_hash_type = xacl.info.sd_hs3->hash_type;
- /* Current version 3. */
- memcpy(hash, xacl.info.sd_hs3->hash, XATTR_SD_HASH_SIZE);
- break;
- default:
- return NT_STATUS_REVISION_MISMATCH;
- }
-
- TALLOC_FREE(xacl.info.sd);
-
- return (*ppdesc != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
-}
-
/*******************************************************************
Pull a security descriptor into a DATA_BLOB from a tdb store.
*******************************************************************/
-static NTSTATUS get_acl_blob(TALLOC_CTX *ctx,
+NTSTATUS get_acl_blob(TALLOC_CTX *ctx,
vfs_handle_struct *handle,
files_struct *fsp,
const char *name,
return NT_STATUS_OK;
}
-/*******************************************************************
- Create a DATA_BLOB from a security descriptor.
-*******************************************************************/
-
-static NTSTATUS create_acl_blob(const struct security_descriptor *psd,
- DATA_BLOB *pblob,
- uint16_t hash_type,
- uint8_t hash[XATTR_SD_HASH_SIZE])
-{
- struct xattr_NTACL xacl;
- struct security_descriptor_hash_v3 sd_hs3;
- enum ndr_err_code ndr_err;
- TALLOC_CTX *ctx = talloc_tos();
-
- ZERO_STRUCT(xacl);
- ZERO_STRUCT(sd_hs3);
-
- xacl.version = 3;
- xacl.info.sd_hs3 = &sd_hs3;
- xacl.info.sd_hs3->sd = CONST_DISCARD(struct security_descriptor *, psd);
- xacl.info.sd_hs3->hash_type = hash_type;
- memcpy(&xacl.info.sd_hs3->hash[0], hash, XATTR_SD_HASH_SIZE);
-
- ndr_err = ndr_push_struct_blob(
- pblob, ctx, NULL, &xacl,
- (ndr_push_flags_fn_t)ndr_push_xattr_NTACL);
-
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- DEBUG(5, ("create_acl_blob: ndr_push_xattr_NTACL failed: %s\n",
- ndr_errstr(ndr_err)));
- return ndr_map_error2ntstatus(ndr_err);;
- }
-
- return NT_STATUS_OK;
-}
-
/*******************************************************************
Store a DATA_BLOB into a tdb record given an fsp pointer.
*******************************************************************/
-static NTSTATUS store_acl_blob_fsp(vfs_handle_struct *handle,
+NTSTATUS store_acl_blob_fsp(vfs_handle_struct *handle,
files_struct *fsp,
DATA_BLOB *pblob)
{
Store a DATA_BLOB into a tdb record given a pathname.
*******************************************************************/
-static NTSTATUS store_acl_blob_pathname(vfs_handle_struct *handle,
+NTSTATUS store_acl_blob_pathname(vfs_handle_struct *handle,
const char *fname,
DATA_BLOB *pblob)
{
return rec->store(rec, data, 0);
}
-/*******************************************************************
- Store a DATA_BLOB into an tdb given a pathname.
-*******************************************************************/
-
-static NTSTATUS get_nt_acl_tdb_internal(vfs_handle_struct *handle,
- files_struct *fsp,
- const char *name,
- uint32_t security_info,
- struct security_descriptor **ppdesc)
-{
- DATA_BLOB blob;
- NTSTATUS status;
- uint16_t hash_type;
- uint8_t hash[XATTR_SD_HASH_SIZE];
- uint8_t hash_tmp[XATTR_SD_HASH_SIZE];
- struct security_descriptor *pdesc_next = NULL;
-
- if (fsp && name == NULL) {
- name = fsp->fsp_name->base_name;
- }
-
- DEBUG(10, ("get_nt_acl_tdb_internal: name=%s\n", name));
-
- status = get_acl_blob(talloc_tos(), handle, fsp, name, &blob);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("get_acl_blob returned %s\n", nt_errstr(status)));
- return status;
- }
-
- status = parse_acl_blob(&blob, ppdesc,
- &hash_type, &hash[0]);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("parse_acl_blob returned %s\n",
- nt_errstr(status)));
- return status;
- }
-
- /* Ensure the hash type is one we know. */
- switch (hash_type) {
- case XATTR_SD_HASH_TYPE_NONE:
- /* No hash, goto return blob sd. */
- goto out;
- case XATTR_SD_HASH_TYPE_SHA256:
- break;
- default:
- return NT_STATUS_REVISION_MISMATCH;
- }
-
- /* Get the full underlying sd, then hash. */
- if (fsp) {
- status = SMB_VFS_NEXT_FGET_NT_ACL(handle,
- fsp,
- HASH_SECURITY_INFO,
- &pdesc_next);
- } else {
- status = SMB_VFS_NEXT_GET_NT_ACL(handle,
- name,
- HASH_SECURITY_INFO,
- &pdesc_next);
- }
-
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
-
- status = hash_sd_sha256(pdesc_next, hash_tmp);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
-
- if (memcmp(&hash[0], &hash_tmp[0], XATTR_SD_HASH_SIZE) == 0) {
- TALLOC_FREE(pdesc_next);
- /* Hash matches, return blob sd. */
- goto out;
- }
-
- /* Hash doesn't match, return underlying sd. */
-
- if (!(security_info & OWNER_SECURITY_INFORMATION)) {
- pdesc_next->owner_sid = NULL;
- }
- if (!(security_info & GROUP_SECURITY_INFORMATION)) {
- pdesc_next->group_sid = NULL;
- }
- if (!(security_info & DACL_SECURITY_INFORMATION)) {
- pdesc_next->dacl = NULL;
- }
- if (!(security_info & SACL_SECURITY_INFORMATION)) {
- pdesc_next->sacl = NULL;
- }
-
- TALLOC_FREE(*ppdesc);
- *ppdesc = pdesc_next;
-
- out:
-
- if (!(security_info & OWNER_SECURITY_INFORMATION)) {
- (*ppdesc)->owner_sid = NULL;
- }
- if (!(security_info & GROUP_SECURITY_INFORMATION)) {
- (*ppdesc)->group_sid = NULL;
- }
- if (!(security_info & DACL_SECURITY_INFORMATION)) {
- (*ppdesc)->dacl = NULL;
- }
- if (!(security_info & SACL_SECURITY_INFORMATION)) {
- (*ppdesc)->sacl = NULL;
- }
-
- TALLOC_FREE(blob.data);
- return status;
-}
-
-/*********************************************************************
- Create a default security descriptor for a file in case no inheritance
- exists. All permissions to the owner and SYSTEM.
-*********************************************************************/
-
-static struct security_descriptor *default_file_sd(TALLOC_CTX *mem_ctx,
- SMB_STRUCT_STAT *psbuf)
-{
- struct dom_sid owner_sid, group_sid;
- size_t sd_size;
- struct security_ace *pace = NULL;
- struct security_acl *pacl = NULL;
-
- uid_to_sid(&owner_sid, psbuf->st_ex_uid);
- gid_to_sid(&group_sid, psbuf->st_ex_gid);
-
- pace = TALLOC_ARRAY(mem_ctx, struct security_ace, 2);
- if (!pace) {
- return NULL;
- }
-
- init_sec_ace(&pace[0], &owner_sid, SEC_ACE_TYPE_ACCESS_ALLOWED,
- SEC_RIGHTS_FILE_ALL, 0);
- init_sec_ace(&pace[1], &global_sid_System, SEC_ACE_TYPE_ACCESS_ALLOWED,
- SEC_RIGHTS_FILE_ALL, 0);
-
- pacl = make_sec_acl(mem_ctx,
- NT4_ACL_REVISION,
- 2,
- pace);
- if (!pacl) {
- return NULL;
- }
- return make_sec_desc(mem_ctx,
- SECURITY_DESCRIPTOR_REVISION_1,
- SEC_DESC_SELF_RELATIVE|SEC_DESC_DACL_PRESENT,
- &owner_sid,
- &group_sid,
- NULL,
- pacl,
- &sd_size);
-}
-
-/*********************************************************************
-*********************************************************************/
-
-static NTSTATUS inherit_new_acl(vfs_handle_struct *handle,
- struct smb_filename *smb_fname,
- files_struct *fsp,
- bool container)
-{
- TALLOC_CTX *ctx = talloc_tos();
- NTSTATUS status;
- struct security_descriptor *parent_desc = NULL;
- struct security_descriptor *psd = NULL;
- struct security_descriptor *pdesc_next = NULL;
- DATA_BLOB blob;
- size_t size;
- char *parent_name;
- uint8_t hash[XATTR_SD_HASH_SIZE];
-
- if (!parent_dirname(ctx, smb_fname->base_name, &parent_name, NULL)) {
- return NT_STATUS_NO_MEMORY;
- }
-
- DEBUG(10,("inherit_new_acl: check directory %s\n",
- parent_name));
-
- status = get_nt_acl_tdb_internal(handle,
- NULL,
- parent_name,
- (OWNER_SECURITY_INFORMATION |
- GROUP_SECURITY_INFORMATION |
- DACL_SECURITY_INFORMATION),
- &parent_desc);
- if (NT_STATUS_IS_OK(status)) {
- /* Create an inherited descriptor from the parent. */
-
- if (DEBUGLEVEL >= 10) {
- DEBUG(10,("inherit_new_acl: parent acl is:\n"));
- NDR_PRINT_DEBUG(security_descriptor, parent_desc);
- }
-
- status = se_create_child_secdesc(ctx,
- &psd,
- &size,
- parent_desc,
- &handle->conn->server_info->ptok->user_sids[PRIMARY_USER_SID_INDEX],
- &handle->conn->server_info->ptok->user_sids[PRIMARY_GROUP_SID_INDEX],
- container);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- if (DEBUGLEVEL >= 10) {
- DEBUG(10,("inherit_new_acl: child acl is:\n"));
- NDR_PRINT_DEBUG(security_descriptor, psd);
- }
-
- } else {
- DEBUG(10,("inherit_new_acl: directory %s failed "
- "to get acl %s\n",
- parent_name,
- nt_errstr(status) ));
- }
-
- if (!psd || psd->dacl == NULL) {
- int ret;
-
- TALLOC_FREE(psd);
- if (fsp && !fsp->is_directory && fsp->fh->fd != -1) {
- ret = SMB_VFS_FSTAT(fsp, &smb_fname->st);
- } else {
- if (fsp && fsp->posix_open) {
- ret = SMB_VFS_LSTAT(handle->conn, smb_fname);
- } else {
- ret = SMB_VFS_STAT(handle->conn, smb_fname);
- }
- }
- if (ret == -1) {
- return map_nt_error_from_unix(errno);
- }
- psd = default_file_sd(ctx, &smb_fname->st);
- if (!psd) {
- return NT_STATUS_NO_MEMORY;
- }
-
- if (DEBUGLEVEL >= 10) {
- DEBUG(10,("inherit_new_acl: default acl is:\n"));
- NDR_PRINT_DEBUG(security_descriptor, psd);
- }
- }
-
- /* Object exists. Read the current SD to get the hash. */
- if (fsp) {
- status = SMB_VFS_NEXT_FGET_NT_ACL(handle,
- fsp,
- HASH_SECURITY_INFO,
- &pdesc_next);
- } else {
- status = SMB_VFS_NEXT_GET_NT_ACL(handle,
- smb_fname->base_name,
- HASH_SECURITY_INFO,
- &pdesc_next);
- }
-
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- status = hash_sd_sha256(pdesc_next, hash);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
- status = create_acl_blob(psd, &blob, XATTR_SD_HASH_TYPE_SHA256, hash);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
- if (fsp) {
- return store_acl_blob_fsp(handle, fsp, &blob);
- } else {
- return store_acl_blob_pathname(handle, smb_fname->base_name,
- &blob);
- }
-}
-
-/*********************************************************************
- Check ACL on open. For new files inherit from parent directory.
-*********************************************************************/
-
-static int open_acl_tdb(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_tdb: stream open on %s\n",
- smb_fname_str_dbg(smb_fname) ));
- 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)) {
- errno = map_errno_from_nt_status(status);
- return -1;
- }
-
- status = get_nt_acl_tdb_internal(handle,
- NULL,
- fname,
- (OWNER_SECURITY_INFORMATION |
- GROUP_SECURITY_INFORMATION |
- DACL_SECURITY_INFORMATION),
- &pdesc);
- if (NT_STATUS_IS_OK(status)) {
- /* See if we can access it. */
- status = smb1_file_se_access_check(pdesc,
- handle->conn->server_info->ptok,
- fsp->access_mask,
- &access_granted);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10,("open_acl_tdb: file %s open "
- "refused with error %s\n",
- smb_fname_str_dbg(smb_fname),
- nt_errstr(status) ));
- errno = map_errno_from_nt_status(status);
- return -1;
- }
- } else if (NT_STATUS_EQUAL(status,NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
- file_existed = false;
- }
-
- DEBUG(10,("open_acl_tdb: get_nt_acl_attr_internal for "
- "file %s returned %s\n",
- smb_fname_str_dbg(smb_fname),
- nt_errstr(status) ));
-
- fsp->fh->fd = SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
-
- if (!file_existed && fsp->fh->fd != -1) {
- /* File was created. Inherit from parent directory. */
- status = fsp_set_smb_fname(fsp, smb_fname);
- if (!NT_STATUS_IS_OK(status)) {
- errno = map_errno_from_nt_status(status);
- return -1;
- }
- inherit_new_acl(handle, smb_fname, fsp, false);
- }
-
- return fsp->fh->fd;
-}
-
/*********************************************************************
On unlink we need to delete the tdb record (if using tdb).
*********************************************************************/
return ret;
}
-/*********************************************************************
- Store an inherited SD on mkdir.
-*********************************************************************/
-
-static int mkdir_acl_tdb(vfs_handle_struct *handle, const char *path, mode_t mode)
-{
- struct smb_filename *smb_fname = NULL;
- int ret = SMB_VFS_NEXT_MKDIR(handle, path, mode);
- NTSTATUS status;
-
- if (ret == -1) {
- return ret;
- }
-
- status = create_synthetic_smb_fname(talloc_tos(), path, NULL, NULL,
- &smb_fname);
- if (!NT_STATUS_IS_OK(status)) {
- errno = map_errno_from_nt_status(status);
- return -1;
- }
-
- /* New directory - inherit from parent. */
- inherit_new_acl(handle, smb_fname, NULL, true);
- TALLOC_FREE(smb_fname);
- return ret;
-}
-
/*********************************************************************
On rmdir we need to delete the tdb record (if using tdb).
*********************************************************************/
return 0;
}
-/*********************************************************************
- Fetch a security descriptor given an fsp.
-*********************************************************************/
-
-static NTSTATUS fget_nt_acl_tdb(vfs_handle_struct *handle, files_struct *fsp,
- uint32 security_info, struct security_descriptor **ppdesc)
-{
- return get_nt_acl_tdb_internal(handle, fsp,
- NULL, security_info, ppdesc);
-}
-
-/*********************************************************************
- Fetch a security descriptor given a pathname.
-*********************************************************************/
-
-static NTSTATUS get_nt_acl_tdb(vfs_handle_struct *handle,
- const char *name, uint32 security_info, struct security_descriptor **ppdesc)
-{
- return get_nt_acl_tdb_internal(handle, NULL,
- name, security_info, ppdesc);
-}
-
-/*********************************************************************
- Store a security descriptor given an fsp.
-*********************************************************************/
-
-static NTSTATUS fset_nt_acl_tdb(vfs_handle_struct *handle, files_struct *fsp,
- uint32_t security_info_sent, const struct security_descriptor *psd)
-{
- NTSTATUS status;
- DATA_BLOB blob;
- struct security_descriptor *pdesc_next = NULL;
- uint8_t hash[XATTR_SD_HASH_SIZE];
-
- if (DEBUGLEVEL >= 10) {
- DEBUG(10,("fset_nt_acl_tdb: incoming sd for file %s\n",
- fsp_str_dbg(fsp)));
- NDR_PRINT_DEBUG(security_descriptor,
- CONST_DISCARD(struct security_descriptor *,psd));
- }
-
- /* Ensure owner and group are set. */
- if (!psd->owner_sid || !psd->group_sid) {
- int ret;
- DOM_SID owner_sid, group_sid;
- struct security_descriptor *nc_psd = dup_sec_desc(talloc_tos(), psd);
-
- if (!nc_psd) {
- return NT_STATUS_OK;
- }
- if (fsp->is_directory || fsp->fh->fd == -1) {
- if (fsp->posix_open) {
- ret = SMB_VFS_LSTAT(fsp->conn, fsp->fsp_name);
- } else {
- ret = SMB_VFS_STAT(fsp->conn, fsp->fsp_name);
- }
- } else {
- ret = SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st);
- }
- if (ret == -1) {
- /* Lower level acl set succeeded,
- * so still return OK. */
- return NT_STATUS_OK;
- }
- create_file_sids(&fsp->fsp_name->st, &owner_sid, &group_sid);
- /* This is safe as nc_psd is discarded at fn exit. */
- nc_psd->owner_sid = &owner_sid;
- nc_psd->group_sid = &group_sid;
- security_info_sent |= (OWNER_SECURITY_INFORMATION|GROUP_SECURITY_INFORMATION);
- psd = nc_psd;
- }
-
- status = SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- /* Get the full underlying sd, then hash. */
- status = SMB_VFS_NEXT_FGET_NT_ACL(handle,
- fsp,
- HASH_SECURITY_INFO,
- &pdesc_next);
-
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- status = hash_sd_sha256(pdesc_next, hash);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
-#if 0
- if ((security_info_sent & DACL_SECURITY_INFORMATION) &&
- psd->dacl != NULL &&
- (psd->type & (SE_DESC_DACL_AUTO_INHERITED|
- SE_DESC_DACL_AUTO_INHERIT_REQ))==
- (SE_DESC_DACL_AUTO_INHERITED|
- SE_DESC_DACL_AUTO_INHERIT_REQ) ) {
- struct security_descriptor *new_psd = NULL;
- status = append_parent_acl(fsp, psd, &new_psd);
- if (!NT_STATUS_IS_OK(status)) {
- /* Lower level acl set succeeded,
- * so still return OK. */
- return NT_STATUS_OK;
- }
- psd = new_psd;
- }
-#endif
-
- if (DEBUGLEVEL >= 10) {
- DEBUG(10,("fset_nt_acl_tdb: storing xattr sd for file %s\n",
- fsp_str_dbg(fsp)));
- NDR_PRINT_DEBUG(security_descriptor,
- CONST_DISCARD(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;
-}
-
/*******************************************************************
Handle opening the storage tdb if so configured.
*******************************************************************/
static struct vfs_fn_pointers vfs_acl_tdb_fns = {
.connect_fn = connect_acl_tdb,
- .mkdir = mkdir_acl_tdb,
- .open = open_acl_tdb,
+ .mkdir = mkdir_acl_common,
+ .open = open_acl_common,
.unlink = unlink_acl_tdb,
.rmdir = rmdir_acl_tdb,
- .fget_nt_acl = fget_nt_acl_tdb,
- .get_nt_acl = get_nt_acl_tdb,
- .fset_nt_acl = fset_nt_acl_tdb,
+ .fget_nt_acl = fget_nt_acl_common,
+ .get_nt_acl = get_nt_acl_common,
+ .fset_nt_acl = fset_nt_acl_common,
.sys_acl_set_file = sys_acl_set_file_tdb,
.sys_acl_set_fd = sys_acl_set_fd_tdb
};
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_VFS
-static NTSTATUS create_acl_blob(const struct security_descriptor *psd,
- DATA_BLOB *pblob,
- uint16_t hash_type,
- uint8_t hash[XATTR_SD_HASH_SIZE]);
-
-#define HASH_SECURITY_INFO (OWNER_SECURITY_INFORMATION | \
- GROUP_SECURITY_INFORMATION | \
- DACL_SECURITY_INFORMATION | \
- SACL_SECURITY_INFORMATION)
-
-/*******************************************************************
- Hash a security descriptor.
-*******************************************************************/
-
-static NTSTATUS hash_sd_sha256(struct security_descriptor *psd,
- uint8_t hash[XATTR_SD_HASH_SIZE])
-{
- DATA_BLOB blob;
- SHA256_CTX tctx;
- NTSTATUS status;
-
- memset(hash, '\0', XATTR_SD_HASH_SIZE);
- status = create_acl_blob(psd, &blob, XATTR_SD_HASH_TYPE_SHA256, hash);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- SHA256_Init(&tctx);
- SHA256_Update(&tctx, blob.data, blob.length);
- SHA256_Final(hash, &tctx);
-
- return NT_STATUS_OK;
-}
-
-/*******************************************************************
- Parse out a struct security_descriptor from a DATA_BLOB.
-*******************************************************************/
-
-static NTSTATUS parse_acl_blob(const DATA_BLOB *pblob,
- struct security_descriptor **ppdesc,
- uint16_t *p_hash_type,
- uint8_t hash[XATTR_SD_HASH_SIZE])
-{
- TALLOC_CTX *ctx = talloc_tos();
- struct xattr_NTACL xacl;
- enum ndr_err_code ndr_err;
- size_t sd_size;
-
- ndr_err = ndr_pull_struct_blob(pblob, ctx, NULL, &xacl,
- (ndr_pull_flags_fn_t)ndr_pull_xattr_NTACL);
-
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- DEBUG(5, ("parse_acl_blob: ndr_pull_xattr_NTACL failed: %s\n",
- ndr_errstr(ndr_err)));
- return ndr_map_error2ntstatus(ndr_err);;
- }
-
- switch (xacl.version) {
- case 2:
- *ppdesc = make_sec_desc(ctx, SEC_DESC_REVISION,
- xacl.info.sd_hs2->sd->type | SEC_DESC_SELF_RELATIVE,
- xacl.info.sd_hs2->sd->owner_sid,
- xacl.info.sd_hs2->sd->group_sid,
- xacl.info.sd_hs2->sd->sacl,
- xacl.info.sd_hs2->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 3:
- *ppdesc = make_sec_desc(ctx, SEC_DESC_REVISION,
- xacl.info.sd_hs3->sd->type | SEC_DESC_SELF_RELATIVE,
- xacl.info.sd_hs3->sd->owner_sid,
- xacl.info.sd_hs3->sd->group_sid,
- xacl.info.sd_hs3->sd->sacl,
- xacl.info.sd_hs3->sd->dacl,
- &sd_size);
- *p_hash_type = xacl.info.sd_hs3->hash_type;
- /* Current version 3. */
- memcpy(hash, xacl.info.sd_hs3->hash, XATTR_SD_HASH_SIZE);
- break;
- default:
- return NT_STATUS_REVISION_MISMATCH;
- }
-
- TALLOC_FREE(xacl.info.sd);
-
- return (*ppdesc != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
-}
-
/*******************************************************************
Pull a security descriptor into a DATA_BLOB from a xattr.
*******************************************************************/
-static NTSTATUS get_acl_blob(TALLOC_CTX *ctx,
+NTSTATUS get_acl_blob(TALLOC_CTX *ctx,
vfs_handle_struct *handle,
files_struct *fsp,
const char *name,
return NT_STATUS_OK;
}
-/*******************************************************************
- Create a DATA_BLOB from a security descriptor.
-*******************************************************************/
-
-static NTSTATUS create_acl_blob(const struct security_descriptor *psd,
- DATA_BLOB *pblob,
- uint16_t hash_type,
- uint8_t hash[XATTR_SD_HASH_SIZE])
-{
- struct xattr_NTACL xacl;
- struct security_descriptor_hash_v3 sd_hs3;
- enum ndr_err_code ndr_err;
- TALLOC_CTX *ctx = talloc_tos();
-
- ZERO_STRUCT(xacl);
- ZERO_STRUCT(sd_hs3);
-
- xacl.version = 3;
- xacl.info.sd_hs3 = &sd_hs3;
- xacl.info.sd_hs3->sd = CONST_DISCARD(struct security_descriptor *, psd);
- xacl.info.sd_hs3->hash_type = hash_type;
- memcpy(&xacl.info.sd_hs3->hash[0], hash, XATTR_SD_HASH_SIZE);
-
- ndr_err = ndr_push_struct_blob(
- pblob, ctx, NULL, &xacl,
- (ndr_push_flags_fn_t)ndr_push_xattr_NTACL);
-
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- DEBUG(5, ("create_acl_blob: ndr_push_xattr_NTACL failed: %s\n",
- ndr_errstr(ndr_err)));
- return ndr_map_error2ntstatus(ndr_err);;
- }
-
- return NT_STATUS_OK;
-}
-
/*******************************************************************
Store a DATA_BLOB into an xattr given an fsp pointer.
*******************************************************************/
-static NTSTATUS store_acl_blob_fsp(vfs_handle_struct *handle,
+NTSTATUS store_acl_blob_fsp(vfs_handle_struct *handle,
files_struct *fsp,
DATA_BLOB *pblob)
{
Store a DATA_BLOB into an xattr given a pathname.
*******************************************************************/
-static NTSTATUS store_acl_blob_pathname(vfs_handle_struct *handle,
+NTSTATUS store_acl_blob_pathname(vfs_handle_struct *handle,
const char *fname,
DATA_BLOB *pblob)
{
return NT_STATUS_OK;
}
-/*******************************************************************
- Store a DATA_BLOB into an xattr given a pathname.
-*******************************************************************/
-
-static NTSTATUS get_nt_acl_xattr_internal(vfs_handle_struct *handle,
- files_struct *fsp,
- const char *name,
- uint32_t security_info,
- struct security_descriptor **ppdesc)
-{
- DATA_BLOB blob;
- NTSTATUS status;
- uint16_t hash_type;
- uint8_t hash[XATTR_SD_HASH_SIZE];
- uint8_t hash_tmp[XATTR_SD_HASH_SIZE];
- struct security_descriptor *pdesc_next = NULL;
-
- if (fsp && name == NULL) {
- name = fsp->fsp_name->base_name;
- }
-
- DEBUG(10, ("get_nt_acl_xattr_internal: name=%s\n", name));
-
- status = get_acl_blob(talloc_tos(), handle, fsp, name, &blob);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("get_acl_blob returned %s\n", nt_errstr(status)));
- return status;
- }
-
- status = parse_acl_blob(&blob, ppdesc,
- &hash_type, &hash[0]);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("parse_acl_blob returned %s\n",
- nt_errstr(status)));
- return status;
- }
-
- /* Ensure the hash type is one we know. */
- switch (hash_type) {
- case XATTR_SD_HASH_TYPE_NONE:
- /* No hash, goto return blob sd. */
- goto out;
- case XATTR_SD_HASH_TYPE_SHA256:
- break;
- default:
- return NT_STATUS_REVISION_MISMATCH;
- }
-
- /* Get the full underlying sd, then hash. */
- if (fsp) {
- status = SMB_VFS_NEXT_FGET_NT_ACL(handle,
- fsp,
- HASH_SECURITY_INFO,
- &pdesc_next);
- } else {
- status = SMB_VFS_NEXT_GET_NT_ACL(handle,
- name,
- HASH_SECURITY_INFO,
- &pdesc_next);
- }
-
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
-
- status = hash_sd_sha256(pdesc_next, hash_tmp);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
-
- if (memcmp(&hash[0], &hash_tmp[0], XATTR_SD_HASH_SIZE) == 0) {
- TALLOC_FREE(pdesc_next);
- /* Hash matches, return blob sd. */
- goto out;
- }
-
- /* Hash doesn't match, return underlying sd. */
-
- if (!(security_info & OWNER_SECURITY_INFORMATION)) {
- pdesc_next->owner_sid = NULL;
- }
- if (!(security_info & GROUP_SECURITY_INFORMATION)) {
- pdesc_next->group_sid = NULL;
- }
- if (!(security_info & DACL_SECURITY_INFORMATION)) {
- pdesc_next->dacl = NULL;
- }
- if (!(security_info & SACL_SECURITY_INFORMATION)) {
- pdesc_next->sacl = NULL;
- }
-
- TALLOC_FREE(*ppdesc);
- *ppdesc = pdesc_next;
-
- out:
-
- if (!(security_info & OWNER_SECURITY_INFORMATION)) {
- (*ppdesc)->owner_sid = NULL;
- }
- if (!(security_info & GROUP_SECURITY_INFORMATION)) {
- (*ppdesc)->group_sid = NULL;
- }
- if (!(security_info & DACL_SECURITY_INFORMATION)) {
- (*ppdesc)->dacl = NULL;
- }
- if (!(security_info & SACL_SECURITY_INFORMATION)) {
- (*ppdesc)->sacl = NULL;
- }
-
- TALLOC_FREE(blob.data);
- return status;
-}
-
-/*********************************************************************
- Create a default security descriptor for a file in case no inheritance
- exists. All permissions to the owner and SYSTEM.
-*********************************************************************/
-
-static struct security_descriptor *default_file_sd(TALLOC_CTX *mem_ctx,
- SMB_STRUCT_STAT *psbuf)
-{
- struct dom_sid owner_sid, group_sid;
- size_t sd_size;
- struct security_ace *pace = NULL;
- struct security_acl *pacl = NULL;
-
- uid_to_sid(&owner_sid, psbuf->st_ex_uid);
- gid_to_sid(&group_sid, psbuf->st_ex_gid);
-
- pace = TALLOC_ARRAY(mem_ctx, struct security_ace, 2);
- if (!pace) {
- return NULL;
- }
-
- init_sec_ace(&pace[0], &owner_sid, SEC_ACE_TYPE_ACCESS_ALLOWED,
- SEC_RIGHTS_FILE_ALL, 0);
- init_sec_ace(&pace[1], &global_sid_System, SEC_ACE_TYPE_ACCESS_ALLOWED,
- SEC_RIGHTS_FILE_ALL, 0);
-
- pacl = make_sec_acl(mem_ctx,
- NT4_ACL_REVISION,
- 2,
- pace);
- if (!pacl) {
- return NULL;
- }
- return make_sec_desc(mem_ctx,
- SECURITY_DESCRIPTOR_REVISION_1,
- SEC_DESC_SELF_RELATIVE|SEC_DESC_DACL_PRESENT,
- &owner_sid,
- &group_sid,
- NULL,
- pacl,
- &sd_size);
-}
-
-/*********************************************************************
-*********************************************************************/
-
-static NTSTATUS inherit_new_acl(vfs_handle_struct *handle,
- struct smb_filename *smb_fname,
- files_struct *fsp,
- bool container)
-{
- TALLOC_CTX *ctx = talloc_tos();
- NTSTATUS status;
- struct security_descriptor *parent_desc = NULL;
- struct security_descriptor *psd = NULL;
- struct security_descriptor *pdesc_next = NULL;
- DATA_BLOB blob;
- size_t size;
- char *parent_name;
- uint8_t hash[XATTR_SD_HASH_SIZE];
-
- if (!parent_dirname(ctx, smb_fname->base_name, &parent_name, NULL)) {
- return NT_STATUS_NO_MEMORY;
- }
-
- DEBUG(10,("inherit_new_acl: check directory %s\n",
- parent_name));
-
- status = get_nt_acl_xattr_internal(handle,
- NULL,
- parent_name,
- (OWNER_SECURITY_INFORMATION |
- GROUP_SECURITY_INFORMATION |
- DACL_SECURITY_INFORMATION),
- &parent_desc);
- if (NT_STATUS_IS_OK(status)) {
- /* Create an inherited descriptor from the parent. */
-
- if (DEBUGLEVEL >= 10) {
- DEBUG(10,("inherit_new_acl: parent acl is:\n"));
- NDR_PRINT_DEBUG(security_descriptor, parent_desc);
- }
-
- status = se_create_child_secdesc(ctx,
- &psd,
- &size,
- parent_desc,
- &handle->conn->server_info->ptok->user_sids[PRIMARY_USER_SID_INDEX],
- &handle->conn->server_info->ptok->user_sids[PRIMARY_GROUP_SID_INDEX],
- container);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- if (DEBUGLEVEL >= 10) {
- DEBUG(10,("inherit_new_acl: child acl is:\n"));
- NDR_PRINT_DEBUG(security_descriptor, psd);
- }
-
- } else {
- DEBUG(10,("inherit_new_acl: directory %s failed "
- "to get acl %s\n",
- parent_name,
- nt_errstr(status) ));
- }
-
- if (!psd || psd->dacl == NULL) {
- int ret;
-
- TALLOC_FREE(psd);
- if (fsp && !fsp->is_directory && fsp->fh->fd != -1) {
- ret = SMB_VFS_FSTAT(fsp, &smb_fname->st);
- } else {
- if (fsp && fsp->posix_open) {
- ret = SMB_VFS_LSTAT(handle->conn, smb_fname);
- } else {
- ret = SMB_VFS_STAT(handle->conn, smb_fname);
- }
- }
- if (ret == -1) {
- return map_nt_error_from_unix(errno);
- }
- psd = default_file_sd(ctx, &smb_fname->st);
- if (!psd) {
- return NT_STATUS_NO_MEMORY;
- }
-
- if (DEBUGLEVEL >= 10) {
- DEBUG(10,("inherit_new_acl: default acl is:\n"));
- NDR_PRINT_DEBUG(security_descriptor, psd);
- }
- }
-
- /* Object exists. Read the current SD to get the hash. */
- if (fsp) {
- status = SMB_VFS_NEXT_FGET_NT_ACL(handle,
- fsp,
- HASH_SECURITY_INFO,
- &pdesc_next);
- } else {
- status = SMB_VFS_NEXT_GET_NT_ACL(handle,
- smb_fname->base_name,
- HASH_SECURITY_INFO,
- &pdesc_next);
- }
-
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- status = hash_sd_sha256(pdesc_next, hash);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
- status = create_acl_blob(psd, &blob, XATTR_SD_HASH_TYPE_SHA256, hash);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
- if (fsp) {
- return store_acl_blob_fsp(handle, fsp, &blob);
- } else {
- return store_acl_blob_pathname(handle, smb_fname->base_name,
- &blob);
- }
-}
-
-/*********************************************************************
- Check ACL on open. For new files inherit from parent directory.
-*********************************************************************/
-
-static int open_acl_xattr(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_xattr: stream open on %s\n",
- smb_fname_str_dbg(smb_fname) ));
- 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)) {
- errno = map_errno_from_nt_status(status);
- return -1;
- }
-
- status = get_nt_acl_xattr_internal(handle,
- NULL,
- fname,
- (OWNER_SECURITY_INFORMATION |
- GROUP_SECURITY_INFORMATION |
- DACL_SECURITY_INFORMATION),
- &pdesc);
- if (NT_STATUS_IS_OK(status)) {
- /* See if we can access it. */
- status = smb1_file_se_access_check(pdesc,
- handle->conn->server_info->ptok,
- fsp->access_mask,
- &access_granted);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10,("open_acl_xattr: file %s open "
- "refused with error %s\n",
- smb_fname_str_dbg(smb_fname),
- nt_errstr(status) ));
- errno = map_errno_from_nt_status(status);
- return -1;
- }
- } else if (NT_STATUS_EQUAL(status,NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
- file_existed = false;
- }
-
- DEBUG(10,("open_acl_xattr: get_nt_acl_attr_internal for "
- "file %s returned %s\n",
- smb_fname_str_dbg(smb_fname),
- nt_errstr(status) ));
-
- fsp->fh->fd = SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
-
- if (!file_existed && fsp->fh->fd != -1) {
- /* File was created. Inherit from parent directory. */
- status = fsp_set_smb_fname(fsp, smb_fname);
- if (!NT_STATUS_IS_OK(status)) {
- errno = map_errno_from_nt_status(status);
- return -1;
- }
- inherit_new_acl(handle, smb_fname, fsp, false);
- }
-
- return fsp->fh->fd;
-}
-
-static int mkdir_acl_xattr(vfs_handle_struct *handle, const char *path, mode_t mode)
-{
- struct smb_filename *smb_fname = NULL;
- int ret = SMB_VFS_NEXT_MKDIR(handle, path, mode);
- NTSTATUS status;
-
- if (ret == -1) {
- return ret;
- }
-
- status = create_synthetic_smb_fname(talloc_tos(), path, NULL, NULL,
- &smb_fname);
- if (!NT_STATUS_IS_OK(status)) {
- errno = map_errno_from_nt_status(status);
- return -1;
- }
-
- /* New directory - inherit from parent. */
- inherit_new_acl(handle, smb_fname, NULL, true);
- TALLOC_FREE(smb_fname);
- return ret;
-}
-
-/*********************************************************************
- Fetch a security descriptor given an fsp.
-*********************************************************************/
-
-static NTSTATUS fget_nt_acl_xattr(vfs_handle_struct *handle, files_struct *fsp,
- uint32_t security_info, struct security_descriptor **ppdesc)
-{
- return get_nt_acl_xattr_internal(handle, fsp,
- NULL, security_info, ppdesc);
-}
-
-/*********************************************************************
- Fetch a security descriptor given a pathname.
-*********************************************************************/
-
-static NTSTATUS get_nt_acl_xattr(vfs_handle_struct *handle,
- const char *name, uint32_t security_info, struct security_descriptor **ppdesc)
-{
- return get_nt_acl_xattr_internal(handle, NULL,
- name, security_info, ppdesc);
-}
-
-/*********************************************************************
- Store a security descriptor given an fsp.
-*********************************************************************/
-
-static NTSTATUS fset_nt_acl_xattr(vfs_handle_struct *handle, files_struct *fsp,
- uint32_t security_info_sent, const struct security_descriptor *psd)
-{
- NTSTATUS status;
- DATA_BLOB blob;
- struct security_descriptor *pdesc_next = NULL;
- uint8_t hash[XATTR_SD_HASH_SIZE];
-
- if (DEBUGLEVEL >= 10) {
- 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 *,psd));
- }
-
- /* Ensure owner and group are set. */
- if (!psd->owner_sid || !psd->group_sid) {
- int ret;
- DOM_SID owner_sid, group_sid;
- struct security_descriptor *nc_psd = dup_sec_desc(talloc_tos(), psd);
-
- if (!nc_psd) {
- return NT_STATUS_OK;
- }
- if (fsp->is_directory || fsp->fh->fd == -1) {
- if (fsp->posix_open) {
- ret = SMB_VFS_LSTAT(fsp->conn, fsp->fsp_name);
- } else {
- ret = SMB_VFS_STAT(fsp->conn, fsp->fsp_name);
- }
- } else {
- ret = SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st);
- }
- if (ret == -1) {
- /* Lower level acl set succeeded,
- * so still return OK. */
- return NT_STATUS_OK;
- }
- create_file_sids(&fsp->fsp_name->st, &owner_sid, &group_sid);
- /* This is safe as nc_psd is discarded at fn exit. */
- nc_psd->owner_sid = &owner_sid;
- nc_psd->group_sid = &group_sid;
- security_info_sent |= (OWNER_SECURITY_INFORMATION|GROUP_SECURITY_INFORMATION);
- psd = nc_psd;
- }
-
- status = SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- /* Get the full underlying sd, then hash. */
- status = SMB_VFS_NEXT_FGET_NT_ACL(handle,
- fsp,
- HASH_SECURITY_INFO,
- &pdesc_next);
-
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- status = hash_sd_sha256(pdesc_next, hash);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
-#if 0
- if ((security_info_sent & DACL_SECURITY_INFORMATION) &&
- psd->dacl != NULL &&
- (psd->type & (SE_DESC_DACL_AUTO_INHERITED|
- SE_DESC_DACL_AUTO_INHERIT_REQ))==
- (SE_DESC_DACL_AUTO_INHERITED|
- SE_DESC_DACL_AUTO_INHERIT_REQ) ) {
- struct security_descriptor *new_psd = NULL;
- status = append_parent_acl(fsp, psd, &new_psd);
- if (!NT_STATUS_IS_OK(status)) {
- /* Lower level acl set succeeded,
- * so still return OK. */
- return NT_STATUS_OK;
- }
- psd = new_psd;
- }
-#endif
-
- if (DEBUGLEVEL >= 10) {
- 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));
- }
- create_acl_blob(psd, &blob, XATTR_SD_HASH_TYPE_SHA256, hash);
- store_acl_blob_fsp(handle, fsp, &blob);
-
- return NT_STATUS_OK;
-}
-
/*********************************************************************
Remove a Windows ACL - we're setting the underlying POSIX ACL.
*********************************************************************/
static struct vfs_fn_pointers vfs_acl_xattr_fns = {
- .mkdir = mkdir_acl_xattr,
- .open = open_acl_xattr,
- .fget_nt_acl = fget_nt_acl_xattr,
- .get_nt_acl = get_nt_acl_xattr,
- .fset_nt_acl = fset_nt_acl_xattr,
+ .mkdir = mkdir_acl_common,
+ .open = open_acl_common,
+ .fget_nt_acl = fget_nt_acl_common,
+ .get_nt_acl = get_nt_acl_common,
+ .fset_nt_acl = fset_nt_acl_common,
.sys_acl_set_file = sys_acl_set_file_xattr,
.sys_acl_set_fd = sys_acl_set_fd_xattr
};
git.samba.org / samba.git / commitdiff