/* Unix SMB/CIFS implementation. test delete-on-close in more detail Copyright (C) Richard Sharpe, 2013 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 . */ #include "includes.h" #include "libcli/smb2/smb2.h" #include "libcli/smb2/smb2_calls.h" #include "torture/torture.h" #include "torture/util.h" #include "torture/smb2/proto.h" #include "libcli/security/security.h" #include "librpc/gen_ndr/ndr_security.h" #define DNAME "test_dir" #define FNAME DNAME "\\test_create.dat" #define CHECK_STATUS(status, correct) do { \ if (!NT_STATUS_EQUAL(status, correct)) { \ torture_result(tctx, TORTURE_FAIL, \ "(%s) Incorrect status %s - should be %s\n", \ __location__, nt_errstr(status), nt_errstr(correct)); \ return false; \ }} while (0) static bool create_dir(struct torture_context *tctx, struct smb2_tree *tree) { NTSTATUS status; struct smb2_create io; struct smb2_handle handle; union smb_fileinfo q; union smb_setfileinfo set; struct security_descriptor *sd, *sd_orig; const char *owner_sid; uint32_t perms = 0; torture_comment(tctx, "Creating Directory for testing: %s\n", DNAME); ZERO_STRUCT(io); io.level = RAW_OPEN_SMB2; io.in.create_flags = 0; io.in.desired_access = SEC_STD_READ_CONTROL | SEC_STD_WRITE_DAC | SEC_STD_WRITE_OWNER; io.in.create_options = NTCREATEX_OPTIONS_DIRECTORY; io.in.file_attributes = FILE_ATTRIBUTE_DIRECTORY; io.in.share_access = NTCREATEX_SHARE_ACCESS_READ | NTCREATEX_SHARE_ACCESS_WRITE; io.in.alloc_size = 0; io.in.create_disposition = NTCREATEX_DISP_OPEN_IF; io.in.impersonation_level = NTCREATEX_IMPERSONATION_ANONYMOUS; io.in.security_flags = 0; io.in.fname = DNAME; status = smb2_create(tree, tctx, &io); CHECK_STATUS(status, NT_STATUS_OK); handle = io.out.file.handle; torture_comment(tctx, "get the original sd\n"); q.query_secdesc.level = RAW_FILEINFO_SEC_DESC; q.query_secdesc.in.file.handle = handle; q.query_secdesc.in.secinfo_flags = SECINFO_DACL | SECINFO_OWNER; status = smb2_getinfo_file(tree, tctx, &q); CHECK_STATUS(status, NT_STATUS_OK); sd_orig = q.query_secdesc.out.sd; owner_sid = dom_sid_string(tctx, sd_orig->owner_sid); /* * We create an SD that allows us to do most things but we do not * get DELETE and DELETE CHILD access! */ perms = SEC_STD_SYNCHRONIZE | SEC_STD_WRITE_OWNER | SEC_STD_WRITE_DAC | SEC_STD_READ_CONTROL | SEC_DIR_WRITE_ATTRIBUTE | SEC_DIR_READ_ATTRIBUTE | SEC_DIR_TRAVERSE | SEC_DIR_WRITE_EA | SEC_FILE_READ_EA | SEC_FILE_APPEND_DATA | SEC_FILE_WRITE_DATA | SEC_FILE_READ_DATA; torture_comment(tctx, "Setting permissions on dir to 0x1e01bf\n"); sd = security_descriptor_dacl_create(tctx, 0, owner_sid, NULL, owner_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, perms, SEC_ACE_FLAG_OBJECT_INHERIT, NULL); set.set_secdesc.level = RAW_SFILEINFO_SEC_DESC; set.set_secdesc.in.file.handle = handle; set.set_secdesc.in.secinfo_flags = SECINFO_DACL | SECINFO_OWNER; set.set_secdesc.in.sd = sd; status = smb2_setinfo_file(tree, &set); CHECK_STATUS(status, NT_STATUS_OK); status = smb2_util_close(tree, handle); return true; } static bool set_dir_delete_perms(struct torture_context *tctx, struct smb2_tree *tree) { NTSTATUS status; struct smb2_create io; struct smb2_handle handle; union smb_fileinfo q; union smb_setfileinfo set; struct security_descriptor *sd, *sd_orig; const char *owner_sid; uint32_t perms = 0; torture_comment(tctx, "Opening Directory for setting new SD: %s\n", DNAME); ZERO_STRUCT(io); io.level = RAW_OPEN_SMB2; io.in.create_flags = 0; io.in.desired_access = SEC_STD_READ_CONTROL | SEC_STD_WRITE_DAC | SEC_STD_WRITE_OWNER; io.in.create_options = NTCREATEX_OPTIONS_DIRECTORY; io.in.file_attributes = FILE_ATTRIBUTE_DIRECTORY; io.in.share_access = NTCREATEX_SHARE_ACCESS_READ | NTCREATEX_SHARE_ACCESS_WRITE; io.in.alloc_size = 0; io.in.create_disposition = NTCREATEX_DISP_OPEN_IF; io.in.impersonation_level = NTCREATEX_IMPERSONATION_ANONYMOUS; io.in.security_flags = 0; io.in.fname = DNAME; status = smb2_create(tree, tctx, &io); CHECK_STATUS(status, NT_STATUS_OK); handle = io.out.file.handle; torture_comment(tctx, "get the original sd\n"); q.query_secdesc.level = RAW_FILEINFO_SEC_DESC; q.query_secdesc.in.file.handle = handle; q.query_secdesc.in.secinfo_flags = SECINFO_DACL | SECINFO_OWNER; status = smb2_getinfo_file(tree, tctx, &q); CHECK_STATUS(status, NT_STATUS_OK); sd_orig = q.query_secdesc.out.sd; owner_sid = dom_sid_string(tctx, sd_orig->owner_sid); /* * We create an SD that allows us to do most things including * get DELETE and DELETE CHILD access! */ perms = SEC_STD_SYNCHRONIZE | SEC_STD_WRITE_OWNER | SEC_STD_WRITE_DAC | SEC_STD_READ_CONTROL | SEC_DIR_WRITE_ATTRIBUTE | SEC_DIR_READ_ATTRIBUTE | SEC_DIR_TRAVERSE | SEC_DIR_WRITE_EA | SEC_FILE_READ_EA | SEC_FILE_APPEND_DATA | SEC_DIR_DELETE_CHILD | SEC_STD_DELETE | SEC_FILE_WRITE_DATA | SEC_FILE_READ_DATA; torture_comment(tctx, "Setting permissions on dir to 0x%0x\n", perms); sd = security_descriptor_dacl_create(tctx, 0, owner_sid, NULL, owner_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, perms, 0, NULL); set.set_secdesc.level = RAW_SFILEINFO_SEC_DESC; set.set_secdesc.in.file.handle = handle; set.set_secdesc.in.secinfo_flags = SECINFO_DACL | SECINFO_OWNER; set.set_secdesc.in.sd = sd; status = smb2_setinfo_file(tree, &set); CHECK_STATUS(status, NT_STATUS_OK); status = smb2_util_close(tree, handle); return true; } static bool test_doc_overwrite_if(struct torture_context *tctx, struct smb2_tree *tree) { struct smb2_create io; NTSTATUS status; uint32_t perms = 0; /* File should not exist for this first test, so make sure */ set_dir_delete_perms(tctx, tree); smb2_deltree(tree, DNAME); create_dir(tctx, tree); torture_comment(tctx, "Create file with DeleteOnClose on non-existent file (OVERWRITE_IF)\n"); torture_comment(tctx, "We expect NT_STATUS_OK\n"); perms = SEC_STD_SYNCHRONIZE | SEC_STD_READ_CONTROL | SEC_STD_DELETE | SEC_DIR_WRITE_ATTRIBUTE | SEC_DIR_READ_ATTRIBUTE | SEC_DIR_WRITE_EA | SEC_FILE_APPEND_DATA | SEC_FILE_WRITE_DATA; ZERO_STRUCT(io); io.in.desired_access = perms; io.in.file_attributes = 0; io.in.create_disposition = NTCREATEX_DISP_OVERWRITE_IF; io.in.share_access = NTCREATEX_SHARE_ACCESS_DELETE; io.in.create_options = NTCREATEX_OPTIONS_DELETE_ON_CLOSE | NTCREATEX_OPTIONS_NON_DIRECTORY_FILE; io.in.fname = FNAME; status = smb2_create(tree, tctx, &io); CHECK_STATUS(status, NT_STATUS_OK); status = smb2_util_close(tree, io.out.file.handle); /* Check it was deleted */ ZERO_STRUCT(io); io.in.desired_access = perms; io.in.file_attributes = 0; io.in.create_disposition = NTCREATEX_DISP_OPEN; io.in.share_access = NTCREATEX_SHARE_ACCESS_DELETE; io.in.create_options = 0; io.in.fname = FNAME; torture_comment(tctx, "Testing if the file was deleted when closed\n"); torture_comment(tctx, "We expect NT_STATUS_OBJECT_NAME_NOT_FOUND\n"); status = smb2_create(tree, tctx, &io); CHECK_STATUS(status, NT_STATUS_OBJECT_NAME_NOT_FOUND); return true; } static bool test_doc_overwrite_if_exist(struct torture_context *tctx, struct smb2_tree *tree) { struct smb2_create io; NTSTATUS status; uint32_t perms = 0; /* File should not exist for this first test, so make sure */ /* And set the SEC Descriptor appropriately */ set_dir_delete_perms(tctx, tree); smb2_deltree(tree, DNAME); create_dir(tctx, tree); torture_comment(tctx, "Create file with DeleteOnClose on existing file (OVERWRITE_IF)\n"); torture_comment(tctx, "We expect NT_STATUS_ACCESS_DENIED\n"); perms = SEC_STD_SYNCHRONIZE | SEC_STD_READ_CONTROL | SEC_STD_DELETE | SEC_DIR_WRITE_ATTRIBUTE | SEC_DIR_READ_ATTRIBUTE | SEC_DIR_WRITE_EA | SEC_FILE_APPEND_DATA | SEC_FILE_WRITE_DATA; /* First, create this file ... */ ZERO_STRUCT(io); io.in.desired_access = perms; io.in.file_attributes = 0; io.in.create_disposition = NTCREATEX_DISP_OVERWRITE_IF; io.in.share_access = NTCREATEX_SHARE_ACCESS_DELETE; io.in.create_options = 0x0; io.in.fname = FNAME; status = smb2_create(tree, tctx, &io); CHECK_STATUS(status, NT_STATUS_OK); status = smb2_util_close(tree, io.out.file.handle); /* Next, try to open it for Delete On Close */ ZERO_STRUCT(io); io.in.desired_access = perms; io.in.file_attributes = 0; io.in.create_disposition = NTCREATEX_DISP_OVERWRITE_IF; io.in.share_access = NTCREATEX_SHARE_ACCESS_DELETE; io.in.create_options = NTCREATEX_OPTIONS_DELETE_ON_CLOSE | NTCREATEX_OPTIONS_NON_DIRECTORY_FILE; io.in.fname = FNAME; status = smb2_create(tree, tctx, &io); CHECK_STATUS(status, NT_STATUS_ACCESS_DENIED); status = smb2_util_close(tree, io.out.file.handle); return true; } static bool test_doc_create(struct torture_context *tctx, struct smb2_tree *tree) { struct smb2_create io; NTSTATUS status; uint32_t perms = 0; /* File should not exist for this first test, so make sure */ set_dir_delete_perms(tctx, tree); smb2_deltree(tree, DNAME); create_dir(tctx, tree); torture_comment(tctx, "Create file with DeleteOnClose on non-existent file (CREATE) \n"); torture_comment(tctx, "We expect NT_STATUS_OK\n"); perms = SEC_STD_SYNCHRONIZE | SEC_STD_READ_CONTROL | SEC_STD_DELETE | SEC_DIR_WRITE_ATTRIBUTE | SEC_DIR_READ_ATTRIBUTE | SEC_DIR_WRITE_EA | SEC_FILE_APPEND_DATA | SEC_FILE_WRITE_DATA; ZERO_STRUCT(io); io.in.desired_access = perms; io.in.file_attributes = 0; io.in.create_disposition = NTCREATEX_DISP_CREATE; io.in.share_access = NTCREATEX_SHARE_ACCESS_DELETE; io.in.create_options = NTCREATEX_OPTIONS_DELETE_ON_CLOSE | NTCREATEX_OPTIONS_NON_DIRECTORY_FILE; io.in.fname = FNAME; status = smb2_create(tree, tctx, &io); CHECK_STATUS(status, NT_STATUS_OK); status = smb2_util_close(tree, io.out.file.handle); /* Check it was deleted */ ZERO_STRUCT(io); io.in.desired_access = perms; io.in.file_attributes = 0; io.in.create_disposition = NTCREATEX_DISP_OPEN; io.in.share_access = NTCREATEX_SHARE_ACCESS_DELETE; io.in.create_options = 0; io.in.fname = FNAME; torture_comment(tctx, "Testing if the file was deleted when closed\n"); torture_comment(tctx, "We expect NT_STATUS_OBJECT_NAME_NOT_FOUND\n"); status = smb2_create(tree, tctx, &io); CHECK_STATUS(status, NT_STATUS_OBJECT_NAME_NOT_FOUND); return true; } static bool test_doc_create_exist(struct torture_context *tctx, struct smb2_tree *tree) { struct smb2_create io; NTSTATUS status; uint32_t perms = 0; /* File should not exist for this first test, so make sure */ set_dir_delete_perms(tctx, tree); smb2_deltree(tree, DNAME); create_dir(tctx, tree); torture_comment(tctx, "Create file with DeleteOnClose on non-existent file (CREATE) \n"); torture_comment(tctx, "We expect NT_STATUS_OBJECT_NAME_COLLISION\n"); perms = SEC_STD_SYNCHRONIZE | SEC_STD_READ_CONTROL | SEC_STD_DELETE | SEC_DIR_WRITE_ATTRIBUTE | SEC_DIR_READ_ATTRIBUTE | SEC_DIR_WRITE_EA | SEC_FILE_APPEND_DATA | SEC_FILE_WRITE_DATA; /* First, create the file */ ZERO_STRUCT(io); io.in.desired_access = perms; io.in.file_attributes = 0; io.in.create_disposition = NTCREATEX_DISP_CREATE; io.in.share_access = NTCREATEX_SHARE_ACCESS_DELETE; io.in.create_options = 0x0; io.in.fname = FNAME; status = smb2_create(tree, tctx, &io); CHECK_STATUS(status, NT_STATUS_OK); status = smb2_util_close(tree, io.out.file.handle); /* Next, try to open it for Delete on Close */ status = smb2_util_close(tree, io.out.file.handle); ZERO_STRUCT(io); io.in.desired_access = perms; io.in.file_attributes = 0; io.in.create_disposition = NTCREATEX_DISP_CREATE; io.in.share_access = NTCREATEX_SHARE_ACCESS_DELETE; io.in.create_options = NTCREATEX_OPTIONS_DELETE_ON_CLOSE | NTCREATEX_OPTIONS_NON_DIRECTORY_FILE; io.in.fname = FNAME; status = smb2_create(tree, tctx, &io); CHECK_STATUS(status, NT_STATUS_OBJECT_NAME_COLLISION); status = smb2_util_close(tree, io.out.file.handle); return true; } static bool test_doc_create_if(struct torture_context *tctx, struct smb2_tree *tree) { struct smb2_create io; NTSTATUS status; uint32_t perms = 0; /* File should not exist for this first test, so make sure */ set_dir_delete_perms(tctx, tree); smb2_deltree(tree, DNAME); create_dir(tctx, tree); torture_comment(tctx, "Create file with DeleteOnClose on non-existent file (OPEN_IF)\n"); torture_comment(tctx, "We expect NT_STATUS_OK\n"); perms = SEC_STD_SYNCHRONIZE | SEC_STD_READ_CONTROL | SEC_STD_DELETE | SEC_DIR_WRITE_ATTRIBUTE | SEC_DIR_READ_ATTRIBUTE | SEC_DIR_WRITE_EA | SEC_FILE_APPEND_DATA | SEC_FILE_WRITE_DATA; ZERO_STRUCT(io); io.in.desired_access = perms; io.in.file_attributes = 0; io.in.create_disposition = NTCREATEX_DISP_OPEN_IF; io.in.share_access = NTCREATEX_SHARE_ACCESS_DELETE; io.in.create_options = NTCREATEX_OPTIONS_DELETE_ON_CLOSE | NTCREATEX_OPTIONS_NON_DIRECTORY_FILE; io.in.fname = FNAME; status = smb2_create(tree, tctx, &io); CHECK_STATUS(status, NT_STATUS_OK); status = smb2_util_close(tree, io.out.file.handle); /* Check it was deleted */ ZERO_STRUCT(io); io.in.desired_access = perms; io.in.file_attributes = 0; io.in.create_disposition = NTCREATEX_DISP_OPEN; io.in.share_access = NTCREATEX_SHARE_ACCESS_DELETE; io.in.create_options = 0; io.in.fname = FNAME; torture_comment(tctx, "Testing if the file was deleted when closed\n"); torture_comment(tctx, "We expect NT_STATUS_OBJECT_NAME_NOT_FOUND\n"); status = smb2_create(tree, tctx, &io); CHECK_STATUS(status, NT_STATUS_OBJECT_NAME_NOT_FOUND); return true; } static bool test_doc_create_if_exist(struct torture_context *tctx, struct smb2_tree *tree) { struct smb2_create io; NTSTATUS status; uint32_t perms = 0; /* File should not exist for this first test, so make sure */ set_dir_delete_perms(tctx, tree); smb2_deltree(tree, DNAME); create_dir(tctx, tree); torture_comment(tctx, "Create file with DeleteOnClose on existing file (OPEN_IF)\n"); torture_comment(tctx, "We expect NT_STATUS_ACCESS_DENIED\n"); perms = SEC_STD_SYNCHRONIZE | SEC_STD_READ_CONTROL | SEC_STD_DELETE | SEC_DIR_WRITE_ATTRIBUTE | SEC_DIR_READ_ATTRIBUTE | SEC_DIR_WRITE_EA | SEC_FILE_APPEND_DATA | SEC_FILE_WRITE_DATA; /* Create the file first */ ZERO_STRUCT(io); io.in.desired_access = perms; io.in.file_attributes = 0; io.in.create_disposition = NTCREATEX_DISP_OPEN_IF; io.in.share_access = NTCREATEX_SHARE_ACCESS_DELETE; io.in.create_options = 0x0; io.in.fname = FNAME; status = smb2_create(tree, tctx, &io); CHECK_STATUS(status, NT_STATUS_OK); status = smb2_util_close(tree, io.out.file.handle); /* Now try to create it for delete on close */ ZERO_STRUCT(io); io.in.desired_access = 0x130196; io.in.file_attributes = 0; io.in.create_disposition = NTCREATEX_DISP_OPEN_IF; io.in.share_access = NTCREATEX_SHARE_ACCESS_DELETE; io.in.create_options = NTCREATEX_OPTIONS_DELETE_ON_CLOSE | NTCREATEX_OPTIONS_NON_DIRECTORY_FILE; io.in.fname = FNAME; status = smb2_create(tree, tctx, &io); CHECK_STATUS(status, NT_STATUS_ACCESS_DENIED); status = smb2_util_close(tree, io.out.file.handle); return true; } static bool test_doc_find_and_set_doc(struct torture_context *tctx, struct smb2_tree *tree) { struct smb2_create io; struct smb2_find find; NTSTATUS status; union smb_search_data *d; union smb_setfileinfo sfinfo; unsigned int count; uint32_t perms = 0; perms = SEC_STD_SYNCHRONIZE | SEC_STD_READ_CONTROL | SEC_STD_DELETE | SEC_DIR_WRITE_ATTRIBUTE | SEC_DIR_READ_ATTRIBUTE | SEC_DIR_WRITE_EA | SEC_FILE_APPEND_DATA | SEC_FILE_WRITE_DATA | SEC_DIR_LIST; /* File should not exist for this first test, so make sure */ set_dir_delete_perms(tctx, tree); smb2_deltree(tree, DNAME); create_dir(tctx, tree); torture_comment(tctx, "FIND and delete directory\n"); torture_comment(tctx, "We expect NT_STATUS_OK\n"); /* open the directory first */ ZERO_STRUCT(io); io.in.desired_access = perms; io.in.file_attributes = FILE_ATTRIBUTE_DIRECTORY; io.in.create_disposition = NTCREATEX_DISP_OPEN_IF; io.in.share_access = NTCREATEX_SHARE_ACCESS_READ | NTCREATEX_SHARE_ACCESS_DELETE; io.in.create_options = NTCREATEX_OPTIONS_DIRECTORY; io.in.fname = DNAME; status = smb2_create(tree, tctx, &io); CHECK_STATUS(status, NT_STATUS_OK); /* list directory */ ZERO_STRUCT(find); find.in.file.handle = io.out.file.handle; find.in.pattern = "*"; find.in.continue_flags = SMB2_CONTINUE_FLAG_SINGLE; find.in.max_response_size = 0x100; find.in.level = SMB2_FIND_BOTH_DIRECTORY_INFO; /* start enumeration on directory */ status = smb2_find_level(tree, tree, &find, &count, &d); CHECK_STATUS(status, NT_STATUS_OK); /* set delete-on-close */ ZERO_STRUCT(sfinfo); sfinfo.generic.level = RAW_SFILEINFO_DISPOSITION_INFORMATION; sfinfo.disposition_info.in.delete_on_close = 1; sfinfo.generic.in.file.handle = io.out.file.handle; status = smb2_setinfo_file(tree, &sfinfo); CHECK_STATUS(status, NT_STATUS_OK); /* close directory */ status = smb2_util_close(tree, io.out.file.handle); CHECK_STATUS(status, NT_STATUS_OK); return true; } /* * Extreme testing of Delete On Close and permissions */ struct torture_suite *torture_smb2_doc_init(TALLOC_CTX *ctx) { struct torture_suite *suite = torture_suite_create(ctx, "delete-on-close-perms"); torture_suite_add_1smb2_test(suite, "OVERWRITE_IF", test_doc_overwrite_if); torture_suite_add_1smb2_test(suite, "OVERWRITE_IF Existing", test_doc_overwrite_if_exist); torture_suite_add_1smb2_test(suite, "CREATE", test_doc_create); torture_suite_add_1smb2_test(suite, "CREATE Existing", test_doc_create_exist); torture_suite_add_1smb2_test(suite, "CREATE_IF", test_doc_create_if); torture_suite_add_1smb2_test(suite, "CREATE_IF Existing", test_doc_create_if_exist); torture_suite_add_1smb2_test(suite, "FIND_and_set_DOC", test_doc_find_and_set_doc); suite->description = talloc_strdup(suite, "SMB2-Delete-on-Close-Perms tests"); return suite; }