*
* Copyright (C) Volker Lendecke, 2008
* Copyright (C) Jeremy Allison, 2009
+ * Copyright (C) Ralph Böhme, 2016
*
* 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
SECINFO_DACL | \
SECINFO_SACL)
+enum default_acl_style {DEFAULT_ACL_POSIX, DEFAULT_ACL_WINDOWS};
+
+static const struct enum_list default_acl_style[] = {
+ {DEFAULT_ACL_POSIX, "posix"},
+ {DEFAULT_ACL_WINDOWS, "windows"}
+};
+
struct acl_common_config {
bool ignore_system_acls;
+ enum default_acl_style default_acl_style;
};
static bool init_acl_common_config(vfs_handle_struct *handle)
ACL_MODULE_NAME,
"ignore system acls",
false);
+ config->default_acl_style = lp_parm_enum(SNUM(handle->conn),
+ ACL_MODULE_NAME,
+ "default acl style",
+ default_acl_style,
+ DEFAULT_ACL_POSIX);
SMB_VFS_HANDLE_SET_DATA(handle, config, NULL,
struct acl_common_config,
(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)));
+ DBG_INFO("ndr_pull_xattr_NTACL failed: %s\n",
+ ndr_errstr(ndr_err));
TALLOC_FREE(frame);
return ndr_map_error2ntstatus(ndr_err);
}
(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)));
+ DBG_INFO("ndr_push_xattr_NTACL failed: %s\n",
+ ndr_errstr(ndr_err));
return ndr_map_error2ntstatus(ndr_err);
}
(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)));
+ DBG_INFO("ndr_push_xattr_NTACL failed: %s\n",
+ ndr_errstr(ndr_err));
return ndr_map_error2ntstatus(ndr_err);
}
mode = dir_mode | file_mode;
- DEBUG(10, ("add_directory_inheritable_components: directory %s, "
- "mode = 0%o\n",
- name,
- (unsigned int)mode ));
+ DBG_DEBUG("directory %s, mode = 0%o\n", name, (unsigned int)mode);
if (num_aces) {
memcpy(new_ace_list, psd->dacl->aces,
return NT_STATUS_OK;
}
-static NTSTATUS make_default_filesystem_acl(TALLOC_CTX *ctx,
- const char *name,
- SMB_STRUCT_STAT *psbuf,
- struct security_descriptor **ppdesc)
+static NTSTATUS make_default_acl_posix(TALLOC_CTX *ctx,
+ const char *name,
+ SMB_STRUCT_STAT *psbuf,
+ struct security_descriptor **ppdesc)
{
struct dom_sid owner_sid, group_sid;
size_t size = 0;
struct security_acl *new_dacl = NULL;
int idx = 0;
- DEBUG(10,("make_default_filesystem_acl: file %s mode = 0%o\n",
- name, (int)mode ));
+ DBG_DEBUG("file %s mode = 0%o\n",name, (int)mode);
uid_to_sid(&owner_sid, psbuf->st_ex_uid);
gid_to_sid(&group_sid, psbuf->st_ex_gid);
return NT_STATUS_OK;
}
+static NTSTATUS make_default_acl_windows(TALLOC_CTX *ctx,
+ const char *name,
+ SMB_STRUCT_STAT *psbuf,
+ struct security_descriptor **ppdesc)
+{
+ struct dom_sid owner_sid, group_sid;
+ size_t size = 0;
+ struct security_ace aces[4];
+ uint32_t access_mask = 0;
+ mode_t mode = psbuf->st_ex_mode;
+ struct security_acl *new_dacl = NULL;
+ int idx = 0;
+
+ DBG_DEBUG("file [%s] mode [0%o]\n", name, (int)mode);
+
+ uid_to_sid(&owner_sid, psbuf->st_ex_uid);
+ gid_to_sid(&group_sid, psbuf->st_ex_gid);
+
+ /*
+ * We provide 2 ACEs:
+ * - Owner
+ * - NT System
+ */
+
+ if (mode & S_IRUSR) {
+ if (mode & S_IWUSR) {
+ access_mask |= SEC_RIGHTS_FILE_ALL;
+ } else {
+ access_mask |= SEC_RIGHTS_FILE_READ | SEC_FILE_EXECUTE;
+ }
+ }
+ if (mode & S_IWUSR) {
+ access_mask |= SEC_RIGHTS_FILE_WRITE | SEC_STD_DELETE;
+ }
+
+ init_sec_ace(&aces[idx],
+ &owner_sid,
+ SEC_ACE_TYPE_ACCESS_ALLOWED,
+ access_mask,
+ 0);
+ idx++;
+
+ init_sec_ace(&aces[idx],
+ &global_sid_System,
+ SEC_ACE_TYPE_ACCESS_ALLOWED,
+ SEC_RIGHTS_FILE_ALL,
+ 0);
+ idx++;
+
+ new_dacl = make_sec_acl(ctx,
+ NT4_ACL_REVISION,
+ idx,
+ aces);
+
+ if (!new_dacl) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ *ppdesc = make_sec_desc(ctx,
+ SECURITY_DESCRIPTOR_REVISION_1,
+ SEC_DESC_SELF_RELATIVE|SEC_DESC_DACL_PRESENT,
+ &owner_sid,
+ &group_sid,
+ NULL,
+ new_dacl,
+ &size);
+ if (!*ppdesc) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS make_default_filesystem_acl(TALLOC_CTX *ctx,
+ struct acl_common_config *config,
+ const char *name,
+ SMB_STRUCT_STAT *psbuf,
+ struct security_descriptor **ppdesc)
+{
+ NTSTATUS status;
+
+ switch (config->default_acl_style) {
+
+ case DEFAULT_ACL_POSIX:
+ status = make_default_acl_posix(ctx, name, psbuf, ppdesc);
+ break;
+
+ case DEFAULT_ACL_WINDOWS:
+ status = make_default_acl_windows(ctx, name, psbuf, ppdesc);
+ break;
+
+ default:
+ DBG_ERR("unknown acl style %d", config->default_acl_style);
+ status = NT_STATUS_INTERNAL_ERROR;
+ break;
+ }
+
+ return status;
+}
+
/**
* Validate an ACL blob
*
} else {
/* Get the full underlying sd, then hash. */
ret = SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FILE(handle,
- smb_fname->base_name,
+ smb_fname,
mem_ctx,
&sys_acl_blob_description,
&sys_acl_blob);
smb_fname = smb_fname_in;
}
- DEBUG(10, ("get_nt_acl_internal: name=%s\n", smb_fname->base_name));
+ DBG_DEBUG("name=%s\n", smb_fname->base_name);
status = get_acl_blob(mem_ctx, handle, fsp, smb_fname, &blob);
if (NT_STATUS_IS_OK(status)) {
status = make_default_filesystem_acl(
mem_ctx,
+ config,
smb_fname->base_name,
psbuf,
&psd);
}
if (DEBUGLEVEL >= 10) {
- DEBUG(10,("get_nt_acl_internal: returning acl for %s is:\n",
- smb_fname->base_name ));
+ DBG_DEBUG("returning acl for %s is:\n",
+ smb_fname->base_name);
NDR_PRINT_DEBUG(security_descriptor, psd);
}
return NT_STATUS_ACCESS_DENIED;
}
- DEBUG(10, ("fset_nt_acl_common: overriding chown on file %s "
- "for sid %s\n",
- fsp_str_dbg(fsp), sid_string_tos(psd->owner_sid)));
+ DBG_DEBUG("overriding chown on file %s for sid %s\n",
+ fsp_str_dbg(fsp), sid_string_tos(psd->owner_sid));
/* Ok, we failed to chown and we have
SEC_STD_WRITE_OWNER access - override. */
DATA_BLOB blob;
if (DEBUGLEVEL >= 10) {
- DEBUG(10, ("fset_nt_acl_xattr: storing xattr sd for file %s\n",
- fsp_str_dbg(fsp)));
+ DBG_DEBUG("storing xattr sd for file %s\n",
+ fsp_str_dbg(fsp));
NDR_PRINT_DEBUG(
security_descriptor,
discard_const_p(struct security_descriptor, psd));
if (pdesc_next != NULL) {
- DEBUG(10, ("fset_nt_acl_xattr: storing has in xattr sd "
- "based on \n"));
+ DBG_DEBUG("storing xattr sd based on \n");
NDR_PRINT_DEBUG(
security_descriptor,
discard_const_p(struct security_descriptor,
pdesc_next));
} else {
- DEBUG(10,
- ("fset_nt_acl_xattr: ignoring underlying sd\n"));
+ DBG_DEBUG("ignoring underlying sd\n");
}
}
status = create_acl_blob(psd, &blob, XATTR_SD_HASH_TYPE_SHA256, hash);
if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("fset_nt_acl_xattr: create_acl_blob failed\n"));
+ DBG_DEBUG("create_acl_blob failed\n");
return status;
}
SNUM(handle->conn), ACL_MODULE_NAME, "ignore system acls", false);
if (DEBUGLEVEL >= 10) {
- DEBUG(10,("fset_nt_acl_xattr: incoming sd for file %s\n",
- fsp_str_dbg(fsp)));
+ DBG_DEBUG("incoming sd for file %s\n", fsp_str_dbg(fsp));
NDR_PRINT_DEBUG(security_descriptor,
discard_const_p(struct security_descriptor, orig_psd));
}
}
if (DEBUGLEVEL >= 10) {
- DEBUG(10,("fset_nt_acl_xattr: storing xattr sd for file %s based on system ACL\n",
- fsp_str_dbg(fsp)));
+ DBG_DEBUG("storing xattr sd for file %s based on system ACL\n",
+ fsp_str_dbg(fsp));
NDR_PRINT_DEBUG(security_descriptor,
discard_const_p(struct security_descriptor, psd));
- DEBUG(10,("fset_nt_acl_xattr: storing hash in xattr sd based on system ACL and:\n"));
+ DBG_DEBUG("storing hash in xattr sd based on system ACL and:\n");
NDR_PRINT_DEBUG(security_descriptor,
discard_const_p(struct security_descriptor, pdesc_next));
}
status = create_sys_acl_blob(psd, &blob, XATTR_SD_HASH_TYPE_SHA256, hash,
sys_acl_description, sys_acl_hash);
if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("fset_nt_acl_xattr: create_sys_acl_blob failed\n"));
+ DBG_DEBUG("create_sys_acl_blob failed\n");
TALLOC_FREE(frame);
return status;
}
goto out;
}
- DEBUG(10,("acl_common_remove_object: removing %s %s/%s\n",
- is_directory ? "directory" : "file",
- parent_dir, final_component ));
+ DBG_DEBUG("removing %s %s/%s\n", is_directory ? "directory" : "file",
+ parent_dir, final_component);
/* cd into the parent dir to pin it. */
ret = vfs_ChDir(conn, parent_dir);
}
if (!fsp) {
- DEBUG(10,("acl_common_remove_object: %s %s/%s "
- "not an open file\n",
- is_directory ? "directory" : "file",
- parent_dir, final_component ));
+ DBG_DEBUG("%s %s/%s not an open file\n",
+ is_directory ? "directory" : "file",
+ parent_dir, final_component);
saved_errno = EACCES;
goto out;
}
true);
}
- DEBUG(10,("rmdir_acl_common: unlink of %s failed %s\n",
- smb_fname->base_name,
- strerror(errno) ));
+ DBG_DEBUG("unlink of %s failed %s\n",
+ smb_fname->base_name,
+ strerror(errno));
return -1;
}
false);
}
- DEBUG(10,("unlink_acl_common: unlink of %s failed %s\n",
- smb_fname->base_name,
- strerror(errno) ));
+ DBG_DEBUG("unlink of %s failed %s\n",
+ smb_fname->base_name,
+ strerror(errno));
return -1;
}
git.samba.org / kai / samba-autobuild / .git / blobdiff