diff options
Diffstat (limited to 'lib')
| -rwxr-xr-x | lib/fuzzing/decode_ndr_X_crash | 12 | ||||
| -rw-r--r-- | lib/ldb-samba/ldif_handlers.c | 94 | ||||
| -rw-r--r-- | lib/ldb/ABI/ldb-2.9.1.sigs | 305 | ||||
| -rw-r--r-- | lib/ldb/ABI/pyldb-util-2.9.1.sigs | 3 | ||||
| -rw-r--r-- | lib/ldb/common/attrib_handlers.c | 53 | ||||
| -rw-r--r-- | lib/ldb/common/ldb_dn.c | 30 | ||||
| -rw-r--r-- | lib/ldb/common/ldb_msg.c | 13 | ||||
| -rw-r--r-- | lib/ldb/common/qsort.c | 2 | ||||
| -rw-r--r-- | lib/ldb/include/ldb.h | 16 | ||||
| -rw-r--r-- | lib/ldb/modules/sort.c | 19 | ||||
| -rw-r--r-- | lib/ldb/wscript | 2 | ||||
| -rw-r--r-- | lib/socket/interfaces.c | 22 | ||||
| -rw-r--r-- | lib/torture/torture.h | 20 | ||||
| -rw-r--r-- | lib/util/charset/codepoints.c | 15 | ||||
| -rw-r--r-- | lib/util/charset/tests/charset.c | 31 | ||||
| -rw-r--r-- | lib/util/charset/util_str.c | 9 | ||||
| -rw-r--r-- | lib/util/data_blob.c | 5 | ||||
| -rw-r--r-- | lib/util/tests/binsearch.c | 6 | ||||
| -rw-r--r-- | lib/util/tests/test_ms_fnmatch.c | 2 | ||||
| -rw-r--r-- | lib/util/tsort.h | 19 |
20 files changed, 587 insertions, 91 deletions
diff --git a/lib/fuzzing/decode_ndr_X_crash b/lib/fuzzing/decode_ndr_X_crash index 63c3cd7..d90e7ef 100755 --- a/lib/fuzzing/decode_ndr_X_crash +++ b/lib/fuzzing/decode_ndr_X_crash @@ -61,8 +61,9 @@ def process_one_file(f): def main(): parser = argparse.ArgumentParser() - parser.add_argument('-p', '--pipe', default='$PIPE', - help='pipe name (for output command line)') + parser.add_argument('-p', '--pipe', default=None, + help=('pipe name (for output command line, ' + 'default is a guess or "$PIPE")')) parser.add_argument('-t', '--type', default=None, choices=TYPES, help='restrict to this type') parser.add_argument('-o', '--opnum', default=None, type=int, @@ -91,6 +92,13 @@ def main(): sys.exit(1) for fn in args.FILES: + if pipe is None: + m = re.search(r'clusterfuzz-testcase.+-fuzz_ndr_([a-z]+)', fn) + if m is None: + pipe = '$PIPE' + else: + pipe = m.group(1) + if args.crash_filter is not None: if not re.search(args.crash_filter, fn): print_if_verbose(f"skipping {fn}") diff --git a/lib/ldb-samba/ldif_handlers.c b/lib/ldb-samba/ldif_handlers.c index c30fd63..4f9d67e 100644 --- a/lib/ldb-samba/ldif_handlers.c +++ b/lib/ldb-samba/ldif_handlers.c @@ -150,36 +150,47 @@ bool ldif_comparision_objectSid_isString(const struct ldb_val *v) /* compare two objectSids + + If the SIDs seem to be strings, they are converted to binary form. */ static int ldif_comparison_objectSid(struct ldb_context *ldb, void *mem_ctx, const struct ldb_val *v1, const struct ldb_val *v2) { - if (ldif_comparision_objectSid_isString(v1) && ldif_comparision_objectSid_isString(v2)) { - return ldb_comparison_binary(ldb, mem_ctx, v1, v2); - } else if (ldif_comparision_objectSid_isString(v1) - && !ldif_comparision_objectSid_isString(v2)) { - struct ldb_val v; - int ret; - if (ldif_read_objectSid(ldb, mem_ctx, v1, &v) != 0) { - /* Perhaps not a string after all */ - return ldb_comparison_binary(ldb, mem_ctx, v1, v2); + bool v1_is_string = ldif_comparision_objectSid_isString(v1); + bool v2_is_string = ldif_comparision_objectSid_isString(v2); + struct ldb_val parsed_1 = {}; + struct ldb_val parsed_2 = {}; + int ret; + /* + * If the ldb_vals look like SID strings (i.e. start with "S-" + * or "s-"), we try to parse them as such. If that fails, we + * assume they are binary SIDs, even though that's not really + * possible -- the first two bytes of a struct dom_sid are the + * version (1), and the number of sub-auths (<= 15), neither + * of which are close to 'S' or '-'. + */ + if (v1_is_string) { + int r = ldif_read_objectSid(ldb, mem_ctx, v1, &parsed_1); + if (r == 0) { + v1 = &parsed_1; } - ret = ldb_comparison_binary(ldb, mem_ctx, &v, v2); - talloc_free(v.data); - return ret; - } else if (!ldif_comparision_objectSid_isString(v1) - && ldif_comparision_objectSid_isString(v2)) { - struct ldb_val v; - int ret; - if (ldif_read_objectSid(ldb, mem_ctx, v2, &v) != 0) { - /* Perhaps not a string after all */ - return ldb_comparison_binary(ldb, mem_ctx, v1, v2); + } + if (v2_is_string) { + int r = ldif_read_objectSid(ldb, mem_ctx, v2, &parsed_2); + if (r == 0) { + v2 = &parsed_2; } - ret = ldb_comparison_binary(ldb, mem_ctx, v1, &v); - talloc_free(v.data); - return ret; } - return ldb_comparison_binary(ldb, mem_ctx, v1, v2); + + ret = ldb_comparison_binary(ldb, mem_ctx, v1, v2); + + if (v1_is_string) { + TALLOC_FREE(parsed_1.data); + } + if (v2_is_string) { + TALLOC_FREE(parsed_2.data); + } + return ret; } /* @@ -1148,22 +1159,41 @@ static int samba_ldb_dn_link_comparison(struct ldb_context *ldb, void *mem_ctx, struct ldb_dn *dn1 = NULL, *dn2 = NULL; int ret; + /* + * In a sort context, Deleted DNs get shifted to the end. + * They never match in an equality + */ if (dsdb_dn_is_deleted_val(v1)) { - /* If the DN is deleted, then we can't search for it */ - return -1; - } - - if (dsdb_dn_is_deleted_val(v2)) { - /* If the DN is deleted, then we can't search for it */ + if (! dsdb_dn_is_deleted_val(v2)) { + return 1; + } + /* + * They are both deleted! + * + * The soundest thing to do at this point is carry on + * and compare the DNs normally. This matches the + * behaviour of samba_dn_extended_match() below. + */ + } else if (dsdb_dn_is_deleted_val(v2)) { return -1; } dn1 = ldb_dn_from_ldb_val(mem_ctx, ldb, v1); - if ( ! ldb_dn_validate(dn1)) return -1; - dn2 = ldb_dn_from_ldb_val(mem_ctx, ldb, v2); + + if ( ! ldb_dn_validate(dn1)) { + TALLOC_FREE(dn1); + if ( ! ldb_dn_validate(dn2)) { + TALLOC_FREE(dn2); + return 0; + } + TALLOC_FREE(dn2); + return 1; + } + if ( ! ldb_dn_validate(dn2)) { - talloc_free(dn1); + TALLOC_FREE(dn1); + TALLOC_FREE(dn2); return -1; } diff --git a/lib/ldb/ABI/ldb-2.9.1.sigs b/lib/ldb/ABI/ldb-2.9.1.sigs new file mode 100644 index 0000000..759659a --- /dev/null +++ b/lib/ldb/ABI/ldb-2.9.1.sigs @@ -0,0 +1,305 @@ +ldb_add: int (struct ldb_context *, const struct ldb_message *) +ldb_any_comparison: int (struct ldb_context *, void *, ldb_attr_handler_t, const struct ldb_val *, const struct ldb_val *) +ldb_asprintf_errstring: void (struct ldb_context *, const char *, ...) +ldb_attr_casefold: char *(TALLOC_CTX *, const char *) +ldb_attr_dn: int (const char *) +ldb_attr_in_list: int (const char * const *, const char *) +ldb_attr_list_copy: const char **(TALLOC_CTX *, const char * const *) +ldb_attr_list_copy_add: const char **(TALLOC_CTX *, const char * const *, const char *) +ldb_base64_decode: int (char *) +ldb_base64_encode: char *(TALLOC_CTX *, const char *, int) +ldb_binary_decode: struct ldb_val (TALLOC_CTX *, const char *) +ldb_binary_encode: char *(TALLOC_CTX *, struct ldb_val) +ldb_binary_encode_string: char *(TALLOC_CTX *, const char *) +ldb_build_add_req: int (struct ldb_request **, struct ldb_context *, TALLOC_CTX *, const struct ldb_message *, struct ldb_control **, void *, ldb_request_callback_t, struct ldb_request *) +ldb_build_del_req: int (struct ldb_request **, struct ldb_context *, TALLOC_CTX *, struct ldb_dn *, struct ldb_control **, void *, ldb_request_callback_t, struct ldb_request *) +ldb_build_extended_req: int (struct ldb_request **, struct ldb_context *, TALLOC_CTX *, const char *, void *, struct ldb_control **, void *, ldb_request_callback_t, struct ldb_request *) +ldb_build_mod_req: int (struct ldb_request **, struct ldb_context *, TALLOC_CTX *, const struct ldb_message *, struct ldb_control **, void *, ldb_request_callback_t, struct ldb_request *) +ldb_build_rename_req: int (struct ldb_request **, struct ldb_context *, TALLOC_CTX *, struct ldb_dn *, struct ldb_dn *, struct ldb_control **, void *, ldb_request_callback_t, struct ldb_request *) +ldb_build_search_req: int (struct ldb_request **, struct ldb_context *, TALLOC_CTX *, struct ldb_dn *, enum ldb_scope, const char *, const char * const *, struct ldb_control **, void *, ldb_request_callback_t, struct ldb_request *) +ldb_build_search_req_ex: int (struct ldb_request **, struct ldb_context *, TALLOC_CTX *, struct ldb_dn *, enum ldb_scope, struct ldb_parse_tree *, const char * const *, struct ldb_control **, void *, ldb_request_callback_t, struct ldb_request *) +ldb_casefold: char *(struct ldb_context *, TALLOC_CTX *, const char *, size_t) +ldb_casefold_default: char *(void *, TALLOC_CTX *, const char *, size_t) +ldb_check_critical_controls: int (struct ldb_control **) +ldb_comparison_binary: int (struct ldb_context *, void *, const struct ldb_val *, const struct ldb_val *) +ldb_comparison_fold: int (struct ldb_context *, void *, const struct ldb_val *, const struct ldb_val *) +ldb_connect: int (struct ldb_context *, const char *, unsigned int, const char **) +ldb_control_to_string: char *(TALLOC_CTX *, const struct ldb_control *) +ldb_controls_except_specified: struct ldb_control **(struct ldb_control **, TALLOC_CTX *, struct ldb_control *) +ldb_debug: void (struct ldb_context *, enum ldb_debug_level, const char *, ...) +ldb_debug_add: void (struct ldb_context *, const char *, ...) +ldb_debug_end: void (struct ldb_context *, enum ldb_debug_level) +ldb_debug_set: void (struct ldb_context *, enum ldb_debug_level, const char *, ...) +ldb_delete: int (struct ldb_context *, struct ldb_dn *) +ldb_dn_add_base: bool (struct ldb_dn *, struct ldb_dn *) +ldb_dn_add_base_fmt: bool (struct ldb_dn *, const char *, ...) +ldb_dn_add_child: bool (struct ldb_dn *, struct ldb_dn *) +ldb_dn_add_child_fmt: bool (struct ldb_dn *, const char *, ...) +ldb_dn_add_child_val: bool (struct ldb_dn *, const char *, struct ldb_val) +ldb_dn_alloc_casefold: char *(TALLOC_CTX *, struct ldb_dn *) +ldb_dn_alloc_linearized: char *(TALLOC_CTX *, struct ldb_dn *) +ldb_dn_canonical_ex_string: char *(TALLOC_CTX *, struct ldb_dn *) +ldb_dn_canonical_string: char *(TALLOC_CTX *, struct ldb_dn *) +ldb_dn_check_local: bool (struct ldb_module *, struct ldb_dn *) +ldb_dn_check_special: bool (struct ldb_dn *, const char *) +ldb_dn_compare: int (struct ldb_dn *, struct ldb_dn *) +ldb_dn_compare_base: int (struct ldb_dn *, struct ldb_dn *) +ldb_dn_copy: struct ldb_dn *(TALLOC_CTX *, struct ldb_dn *) +ldb_dn_escape_value: char *(TALLOC_CTX *, struct ldb_val) +ldb_dn_extended_add_syntax: int (struct ldb_context *, unsigned int, const struct ldb_dn_extended_syntax *) +ldb_dn_extended_filter: void (struct ldb_dn *, const char * const *) +ldb_dn_extended_syntax_by_name: const struct ldb_dn_extended_syntax *(struct ldb_context *, const char *) +ldb_dn_from_ldb_val: struct ldb_dn *(TALLOC_CTX *, struct ldb_context *, const struct ldb_val *) +ldb_dn_get_casefold: const char *(struct ldb_dn *) +ldb_dn_get_comp_num: int (struct ldb_dn *) +ldb_dn_get_component_name: const char *(struct ldb_dn *, unsigned int) +ldb_dn_get_component_val: const struct ldb_val *(struct ldb_dn *, unsigned int) +ldb_dn_get_extended_comp_num: int (struct ldb_dn *) +ldb_dn_get_extended_component: const struct ldb_val *(struct ldb_dn *, const char *) +ldb_dn_get_extended_linearized: char *(TALLOC_CTX *, struct ldb_dn *, int) +ldb_dn_get_ldb_context: struct ldb_context *(struct ldb_dn *) +ldb_dn_get_linearized: const char *(struct ldb_dn *) +ldb_dn_get_parent: struct ldb_dn *(TALLOC_CTX *, struct ldb_dn *) +ldb_dn_get_rdn_name: const char *(struct ldb_dn *) +ldb_dn_get_rdn_val: const struct ldb_val *(struct ldb_dn *) +ldb_dn_has_extended: bool (struct ldb_dn *) +ldb_dn_is_null: bool (struct ldb_dn *) +ldb_dn_is_special: bool (struct ldb_dn *) +ldb_dn_is_valid: bool (struct ldb_dn *) +ldb_dn_map_local: struct ldb_dn *(struct ldb_module *, void *, struct ldb_dn *) +ldb_dn_map_rebase_remote: struct ldb_dn *(struct ldb_module *, void *, struct ldb_dn *) +ldb_dn_map_remote: struct ldb_dn *(struct ldb_module *, void *, struct ldb_dn *) +ldb_dn_minimise: bool (struct ldb_dn *) +ldb_dn_new: struct ldb_dn *(TALLOC_CTX *, struct ldb_context *, const char *) +ldb_dn_new_fmt: struct ldb_dn *(TALLOC_CTX *, struct ldb_context *, const char *, ...) +ldb_dn_remove_base_components: bool (struct ldb_dn *, unsigned int) +ldb_dn_remove_child_components: bool (struct ldb_dn *, unsigned int) +ldb_dn_remove_extended_components: void (struct ldb_dn *) +ldb_dn_replace_components: bool (struct ldb_dn *, struct ldb_dn *) +ldb_dn_set_component: int (struct ldb_dn *, int, const char *, const struct ldb_val) +ldb_dn_set_extended_component: int (struct ldb_dn *, const char *, const struct ldb_val *) +ldb_dn_update_components: int (struct ldb_dn *, const struct ldb_dn *) +ldb_dn_validate: bool (struct ldb_dn *) +ldb_dump_results: void (struct ldb_context *, struct ldb_result *, FILE *) +ldb_error_at: int (struct ldb_context *, int, const char *, const char *, int) +ldb_errstring: const char *(struct ldb_context *) +ldb_extended: int (struct ldb_context *, const char *, void *, struct ldb_result **) +ldb_extended_default_callback: int (struct ldb_request *, struct ldb_reply *) +ldb_filter_attrs: int (struct ldb_context *, const struct ldb_message *, const char * const *, struct ldb_message *) +ldb_filter_attrs_in_place: int (struct ldb_message *, const char * const *) +ldb_filter_from_tree: char *(TALLOC_CTX *, const struct ldb_parse_tree *) +ldb_get_config_basedn: struct ldb_dn *(struct ldb_context *) +ldb_get_create_perms: unsigned int (struct ldb_context *) +ldb_get_default_basedn: struct ldb_dn *(struct ldb_context *) +ldb_get_event_context: struct tevent_context *(struct ldb_context *) +ldb_get_flags: unsigned int (struct ldb_context *) +ldb_get_opaque: void *(struct ldb_context *, const char *) +ldb_get_root_basedn: struct ldb_dn *(struct ldb_context *) +ldb_get_schema_basedn: struct ldb_dn *(struct ldb_context *) +ldb_global_init: int (void) +ldb_handle_get_event_context: struct tevent_context *(struct ldb_handle *) +ldb_handle_new: struct ldb_handle *(TALLOC_CTX *, struct ldb_context *) +ldb_handle_use_global_event_context: void (struct ldb_handle *) +ldb_handler_copy: int (struct ldb_context *, void *, const struct ldb_val *, struct ldb_val *) +ldb_handler_fold: int (struct ldb_context *, void *, const struct ldb_val *, struct ldb_val *) +ldb_init: struct ldb_context *(TALLOC_CTX *, struct tevent_context *) +ldb_ldif_message_redacted_string: char *(struct ldb_context *, TALLOC_CTX *, enum ldb_changetype, const struct ldb_message *) +ldb_ldif_message_string: char *(struct ldb_context *, TALLOC_CTX *, enum ldb_changetype, const struct ldb_message *) +ldb_ldif_parse_modrdn: int (struct ldb_context *, const struct ldb_ldif *, TALLOC_CTX *, struct ldb_dn **, struct ldb_dn **, bool *, struct ldb_dn **, struct ldb_dn **) +ldb_ldif_read: struct ldb_ldif *(struct ldb_context *, int (*)(void *), void *) +ldb_ldif_read_file: struct ldb_ldif *(struct ldb_context *, FILE *) +ldb_ldif_read_file_state: struct ldb_ldif *(struct ldb_context *, struct ldif_read_file_state *) +ldb_ldif_read_free: void (struct ldb_context *, struct ldb_ldif *) +ldb_ldif_read_string: struct ldb_ldif *(struct ldb_context *, const char **) +ldb_ldif_write: int (struct ldb_context *, int (*)(void *, const char *, ...), void *, const struct ldb_ldif *) +ldb_ldif_write_file: int (struct ldb_context *, FILE *, const struct ldb_ldif *) +ldb_ldif_write_redacted_trace_string: char *(struct ldb_context *, TALLOC_CTX *, const struct ldb_ldif *) +ldb_ldif_write_string: char *(struct ldb_context *, TALLOC_CTX *, const struct ldb_ldif *) +ldb_load_modules: int (struct ldb_context *, const char **) +ldb_map_add: int (struct ldb_module *, struct ldb_request *) +ldb_map_delete: int (struct ldb_module *, struct ldb_request *) +ldb_map_init: int (struct ldb_module *, const struct ldb_map_attribute *, const struct ldb_map_objectclass *, const char * const *, const char *, const char *) +ldb_map_modify: int (struct ldb_module *, struct ldb_request *) +ldb_map_rename: int (struct ldb_module *, struct ldb_request *) +ldb_map_search: int (struct ldb_module *, struct ldb_request *) +ldb_match_message: int (struct ldb_context *, const struct ldb_message *, const struct ldb_parse_tree *, enum ldb_scope, bool *) +ldb_match_msg: int (struct ldb_context *, const struct ldb_message *, const struct ldb_parse_tree *, struct ldb_dn *, enum ldb_scope) +ldb_match_msg_error: int (struct ldb_context *, const struct ldb_message *, const struct ldb_parse_tree *, struct ldb_dn *, enum ldb_scope, bool *) +ldb_match_msg_objectclass: int (const struct ldb_message *, const char *) +ldb_match_scope: int (struct ldb_context *, struct ldb_dn *, struct ldb_dn *, enum ldb_scope) +ldb_mod_register_control: int (struct ldb_module *, const char *) +ldb_modify: int (struct ldb_context *, const struct ldb_message *) +ldb_modify_default_callback: int (struct ldb_request *, struct ldb_reply *) +ldb_module_call_chain: char *(struct ldb_request *, TALLOC_CTX *) +ldb_module_connect_backend: int (struct ldb_context *, const char *, const char **, struct ldb_module **) +ldb_module_done: int (struct ldb_request *, struct ldb_control **, struct ldb_extended *, int) +ldb_module_flags: uint32_t (struct ldb_context *) +ldb_module_get_ctx: struct ldb_context *(struct ldb_module *) +ldb_module_get_name: const char *(struct ldb_module *) +ldb_module_get_ops: const struct ldb_module_ops *(struct ldb_module *) +ldb_module_get_private: void *(struct ldb_module *) +ldb_module_init_chain: int (struct ldb_context *, struct ldb_module *) +ldb_module_load_list: int (struct ldb_context *, const char **, struct ldb_module *, struct ldb_module **) +ldb_module_new: struct ldb_module *(TALLOC_CTX *, struct ldb_context *, const char *, const struct ldb_module_ops *) +ldb_module_next: struct ldb_module *(struct ldb_module *) +ldb_module_popt_options: struct poptOption **(struct ldb_context *) +ldb_module_send_entry: int (struct ldb_request *, struct ldb_message *, struct ldb_control **) +ldb_module_send_referral: int (struct ldb_request *, char *) +ldb_module_set_next: void (struct ldb_module *, struct ldb_module *) +ldb_module_set_private: void (struct ldb_module *, void *) +ldb_modules_hook: int (struct ldb_context *, enum ldb_module_hook_type) +ldb_modules_list_from_string: const char **(struct ldb_context *, TALLOC_CTX *, const char *) +ldb_modules_load: int (const char *, const char *) +ldb_msg_add: int (struct ldb_message *, const struct ldb_message_element *, int) +ldb_msg_add_distinguished_name: int (struct ldb_message *) +ldb_msg_add_empty: int (struct ldb_message *, const char *, int, struct ldb_message_element **) +ldb_msg_add_fmt: int (struct ldb_message *, const char *, const char *, ...) +ldb_msg_add_linearized_dn: int (struct ldb_message *, const char *, struct ldb_dn *) +ldb_msg_add_steal_string: int (struct ldb_message *, const char *, char *) +ldb_msg_add_steal_value: int (struct ldb_message *, const char *, struct ldb_val *) +ldb_msg_add_string: int (struct ldb_message *, const char *, const char *) +ldb_msg_add_string_flags: int (struct ldb_message *, const char *, const char *, int) +ldb_msg_add_value: int (struct ldb_message *, const char *, const struct ldb_val *, struct ldb_message_element **) +ldb_msg_append_fmt: int (struct ldb_message *, int, const char *, const char *, ...) +ldb_msg_append_linearized_dn: int (struct ldb_message *, const char *, struct ldb_dn *, int) +ldb_msg_append_steal_string: int (struct ldb_message *, const char *, char *, int) +ldb_msg_append_steal_value: int (struct ldb_message *, const char *, struct ldb_val *, int) +ldb_msg_append_string: int (struct ldb_message *, const char *, const char *, int) +ldb_msg_append_value: int (struct ldb_message *, const char *, const struct ldb_val *, int) +ldb_msg_canonicalize: struct ldb_message *(struct ldb_context *, const struct ldb_message *) +ldb_msg_check_string_attribute: int (const struct ldb_message *, const char *, const char *) +ldb_msg_copy: struct ldb_message *(TALLOC_CTX *, const struct ldb_message *) +ldb_msg_copy_attr: int (struct ldb_message *, const char *, const char *) +ldb_msg_copy_shallow: struct ldb_message *(TALLOC_CTX *, const struct ldb_message *) +ldb_msg_diff: struct ldb_message *(struct ldb_context *, struct ldb_message *, struct ldb_message *) +ldb_msg_difference: int (struct ldb_context *, TALLOC_CTX *, struct ldb_message *, struct ldb_message *, struct ldb_message **) +ldb_msg_element_add_value: int (TALLOC_CTX *, struct ldb_message_element *, const struct ldb_val *) +ldb_msg_element_compare: int (struct ldb_message_element *, struct ldb_message_element *) +ldb_msg_element_compare_name: int (struct ldb_message_element *, struct ldb_message_element *) +ldb_msg_element_equal_ordered: bool (const struct ldb_message_element *, const struct ldb_message_element *) +ldb_msg_element_is_inaccessible: bool (const struct ldb_message_element *) +ldb_msg_element_mark_inaccessible: void (struct ldb_message_element *) +ldb_msg_elements_take_ownership: int (struct ldb_message *) +ldb_msg_find_attr_as_bool: int (const struct ldb_message *, const char *, int) +ldb_msg_find_attr_as_dn: struct ldb_dn *(struct ldb_context *, TALLOC_CTX *, const struct ldb_message *, const char *) +ldb_msg_find_attr_as_double: double (const struct ldb_message *, const char *, double) +ldb_msg_find_attr_as_int: int (const struct ldb_message *, const char *, int) +ldb_msg_find_attr_as_int64: int64_t (const struct ldb_message *, const char *, int64_t) +ldb_msg_find_attr_as_string: const char *(const struct ldb_message *, const char *, const char *) +ldb_msg_find_attr_as_uint: unsigned int (const struct ldb_message *, const char *, unsigned int) +ldb_msg_find_attr_as_uint64: uint64_t (const struct ldb_message *, const char *, uint64_t) +ldb_msg_find_common_values: int (struct ldb_context *, TALLOC_CTX *, struct ldb_message_element *, struct ldb_message_element *, uint32_t) +ldb_msg_find_duplicate_val: int (struct ldb_context *, TALLOC_CTX *, const struct ldb_message_element *, struct ldb_val **, uint32_t) +ldb_msg_find_element: struct ldb_message_element *(const struct ldb_message *, const char *) +ldb_msg_find_ldb_val: const struct ldb_val *(const struct ldb_message *, const char *) +ldb_msg_find_val: struct ldb_val *(const struct ldb_message_element *, struct ldb_val *) +ldb_msg_new: struct ldb_message *(TALLOC_CTX *) +ldb_msg_normalize: int (struct ldb_context *, TALLOC_CTX *, const struct ldb_message *, struct ldb_message **) +ldb_msg_remove_attr: void (struct ldb_message *, const char *) +ldb_msg_remove_element: void (struct ldb_message *, struct ldb_message_element *) +ldb_msg_remove_inaccessible: void (struct ldb_message *) +ldb_msg_rename_attr: int (struct ldb_message *, const char *, const char *) +ldb_msg_sanity_check: int (struct ldb_context *, const struct ldb_message *) +ldb_msg_shrink_to_fit: void (struct ldb_message *) +ldb_msg_sort_elements: void (struct ldb_message *) +ldb_next_del_trans: int (struct ldb_module *) +ldb_next_end_trans: int (struct ldb_module *) +ldb_next_init: int (struct ldb_module *) +ldb_next_prepare_commit: int (struct ldb_module *) +ldb_next_read_lock: int (struct ldb_module *) +ldb_next_read_unlock: int (struct ldb_module *) +ldb_next_remote_request: int (struct ldb_module *, struct ldb_request *) +ldb_next_request: int (struct ldb_module *, struct ldb_request *) +ldb_next_start_trans: int (struct ldb_module *) +ldb_op_default_callback: int (struct ldb_request *, struct ldb_reply *) +ldb_options_copy: const char **(TALLOC_CTX *, const char **) +ldb_options_find: const char *(struct ldb_context *, const char **, const char *) +ldb_options_get: const char **(struct ldb_context *) +ldb_pack_data: int (struct ldb_context *, const struct ldb_message *, struct ldb_val *, uint32_t) +ldb_parse_control_from_string: struct ldb_control *(struct ldb_context *, TALLOC_CTX *, const char *) +ldb_parse_control_strings: struct ldb_control **(struct ldb_context *, TALLOC_CTX *, const char **) +ldb_parse_tree: struct ldb_parse_tree *(TALLOC_CTX *, const char *) +ldb_parse_tree_attr_replace: void (struct ldb_parse_tree *, const char *, const char *) +ldb_parse_tree_copy_shallow: struct ldb_parse_tree *(TALLOC_CTX *, const struct ldb_parse_tree *) +ldb_parse_tree_get_attr: const char *(const struct ldb_parse_tree *) +ldb_parse_tree_walk: int (struct ldb_parse_tree *, int (*)(struct ldb_parse_tree *, void *), void *) +ldb_qsort: void (void * const, size_t, size_t, void *, ldb_qsort_cmp_fn_t) +ldb_register_backend: int (const char *, ldb_connect_fn, bool) +ldb_register_extended_match_rule: int (struct ldb_context *, const struct ldb_extended_match_rule *) +ldb_register_hook: int (ldb_hook_fn) +ldb_register_module: int (const struct ldb_module_ops *) +ldb_register_redact_callback: int (struct ldb_context *, ldb_redact_fn, struct ldb_module *) +ldb_rename: int (struct ldb_context *, struct ldb_dn *, struct ldb_dn *) +ldb_reply_add_control: int (struct ldb_reply *, const char *, bool, void *) +ldb_reply_get_control: struct ldb_control *(struct ldb_reply *, const char *) +ldb_req_get_custom_flags: uint32_t (struct ldb_request *) +ldb_req_is_untrusted: bool (struct ldb_request *) +ldb_req_location: const char *(struct ldb_request *) +ldb_req_mark_trusted: void (struct ldb_request *) +ldb_req_mark_untrusted: void (struct ldb_request *) +ldb_req_set_custom_flags: void (struct ldb_request *, uint32_t) +ldb_req_set_location: void (struct ldb_request *, const char *) +ldb_request: int (struct ldb_context *, struct ldb_request *) +ldb_request_add_control: int (struct ldb_request *, const char *, bool, void *) +ldb_request_done: int (struct ldb_request *, int) +ldb_request_get_control: struct ldb_control *(struct ldb_request *, const char *) +ldb_request_get_status: int (struct ldb_request *) +ldb_request_replace_control: int (struct ldb_request *, const char *, bool, void *) +ldb_request_set_state: void (struct ldb_request *, int) +ldb_reset_err_string: void (struct ldb_context *) +ldb_save_controls: int (struct ldb_control *, struct ldb_request *, struct ldb_control ***) +ldb_schema_attribute_add: int (struct ldb_context *, const char *, unsigned int, const char *) +ldb_schema_attribute_add_with_syntax: int (struct ldb_context *, const char *, unsigned int, const struct ldb_schema_syntax *) +ldb_schema_attribute_by_name: const struct ldb_schema_attribute *(struct ldb_context *, const char *) +ldb_schema_attribute_fill_with_syntax: int (struct ldb_context *, TALLOC_CTX *, const char *, unsigned int, const struct ldb_schema_syntax *, struct ldb_schema_attribute *) +ldb_schema_attribute_remove: void (struct ldb_context *, const char *) +ldb_schema_attribute_remove_flagged: void (struct ldb_context *, unsigned int) +ldb_schema_attribute_set_override_handler: void (struct ldb_context *, ldb_attribute_handler_override_fn_t, void *) +ldb_schema_set_override_GUID_index: void (struct ldb_context *, const char *, const char *) +ldb_schema_set_override_indexlist: void (struct ldb_context *, bool) +ldb_search: int (struct ldb_context *, TALLOC_CTX *, struct ldb_result **, struct ldb_dn *, enum ldb_scope, const char * const *, const char *, ...) +ldb_search_default_callback: int (struct ldb_request *, struct ldb_reply *) +ldb_sequence_number: int (struct ldb_context *, enum ldb_sequence_type, uint64_t *) +ldb_set_create_perms: void (struct ldb_context *, unsigned int) +ldb_set_debug: int (struct ldb_context *, void (*)(void *, enum ldb_debug_level, const char *, va_list), void *) +ldb_set_debug_stderr: int (struct ldb_context *) +ldb_set_default_dns: void (struct ldb_context *) +ldb_set_errstring: void (struct ldb_context *, const char *) +ldb_set_event_context: void (struct ldb_context *, struct tevent_context *) +ldb_set_flags: void (struct ldb_context *, unsigned int) +ldb_set_modules_dir: void (struct ldb_context *, const char *) +ldb_set_opaque: int (struct ldb_context *, const char *, void *) +ldb_set_require_private_event_context: void (struct ldb_context *) +ldb_set_timeout: int (struct ldb_context *, struct ldb_request *, int) +ldb_set_timeout_from_prev_req: int (struct ldb_context *, struct ldb_request *, struct ldb_request *) +ldb_set_utf8_default: void (struct ldb_context *) +ldb_set_utf8_fns: void (struct ldb_context *, void *, char *(*)(void *, void *, const char *, size_t)) +ldb_setup_wellknown_attributes: int (struct ldb_context *) +ldb_should_b64_encode: int (struct ldb_context *, const struct ldb_val *) +ldb_standard_syntax_by_name: const struct ldb_schema_syntax *(struct ldb_context *, const char *) +ldb_strerror: const char *(int) +ldb_string_to_time: time_t (const char *) +ldb_string_utc_to_time: time_t (const char *) +ldb_timestring: char *(TALLOC_CTX *, time_t) +ldb_timestring_utc: char *(TALLOC_CTX *, time_t) +ldb_transaction_cancel: int (struct ldb_context *) +ldb_transaction_cancel_noerr: int (struct ldb_context *) +ldb_transaction_commit: int (struct ldb_context *) +ldb_transaction_prepare_commit: int (struct ldb_context *) +ldb_transaction_start: int (struct ldb_context *) +ldb_unpack_data: int (struct ldb_context *, const struct ldb_val *, struct ldb_message *) +ldb_unpack_data_flags: int (struct ldb_context *, const struct ldb_val *, struct ldb_message *, unsigned int) +ldb_unpack_get_format: int (const struct ldb_val *, uint32_t *) +ldb_val_as_bool: int (const struct ldb_val *, bool *) +ldb_val_as_dn: struct ldb_dn *(struct ldb_context *, TALLOC_CTX *, const struct ldb_val *) +ldb_val_as_int64: int (const struct ldb_val *, int64_t *) +ldb_val_as_uint64: int (const struct ldb_val *, uint64_t *) +ldb_val_dup: struct ldb_val (TALLOC_CTX *, const struct ldb_val *) +ldb_val_equal_exact: int (const struct ldb_val *, const struct ldb_val *) +ldb_val_map_local: struct ldb_val (struct ldb_module *, void *, const struct ldb_map_attribute *, const struct ldb_val *) +ldb_val_map_remote: struct ldb_val (struct ldb_module *, void *, const struct ldb_map_attribute *, const struct ldb_val *) +ldb_val_string_cmp: int (const struct ldb_val *, const char *) +ldb_val_to_time: int (const struct ldb_val *, time_t *) +ldb_valid_attr_name: int (const char *) +ldb_vdebug: void (struct ldb_context *, enum ldb_debug_level, const char *, va_list) +ldb_wait: int (struct ldb_handle *, enum ldb_wait_type) diff --git a/lib/ldb/ABI/pyldb-util-2.9.1.sigs b/lib/ldb/ABI/pyldb-util-2.9.1.sigs new file mode 100644 index 0000000..164a806 --- /dev/null +++ b/lib/ldb/ABI/pyldb-util-2.9.1.sigs @@ -0,0 +1,3 @@ +pyldb_Dn_FromDn: PyObject *(struct ldb_dn *) +pyldb_Object_AsDn: bool (TALLOC_CTX *, PyObject *, struct ldb_context *, struct ldb_dn **) +pyldb_check_type: bool (PyObject *, const char *) diff --git a/lib/ldb/common/attrib_handlers.c b/lib/ldb/common/attrib_handlers.c index 15470cf..3d13e4b 100644 --- a/lib/ldb/common/attrib_handlers.c +++ b/lib/ldb/common/attrib_handlers.c @@ -281,15 +281,36 @@ static int ldb_canonicalise_Boolean(struct ldb_context *ldb, void *mem_ctx, } /* - compare two Booleans -*/ + * compare two Booleans. + * + * According to RFC4517 4.2.2, "the booleanMatch rule is an equality matching + * rule", meaning it isn't used for ordering. + * + * However, it seems conceivable that Samba could be coerced into sorting on a + * field with Boolean syntax, so we might as well have consistent behaviour in + * that case. + * + * The most probably values are {"FALSE", 5} and {"TRUE", 4}. To save time we + * compare first by length, which makes FALSE > TRUE. This is somewhat + * contrary to convention, but is how Samba has worked forever. + * + * If somehow we are comparing incompletely normalised values where the length + * is the same (for example {"false", 5} and {"TRUE\0", 5}), the length is the + * same, and we fall back to a strncasecmp. In this case, since "FALSE" is + * alphabetically lower, we swap the order, so that "TRUE\0" again comes + * before "FALSE". + * + * ldb_canonicalise_Boolean (just above) gives us a clue as to what we might + * expect to cope with by way of invalid values. + */ static int ldb_comparison_Boolean(struct ldb_context *ldb, void *mem_ctx, const struct ldb_val *v1, const struct ldb_val *v2) { if (v1->length != v2->length) { - return v1->length - v2->length; + return NUMERIC_CMP(v2->length, v1->length); } - return strncasecmp((char *)v1->data, (char *)v2->data, v1->length); + /* reversed, see long comment above */ + return strncasecmp((char *)v2->data, (char *)v1->data, v1->length); } @@ -300,7 +321,7 @@ int ldb_comparison_binary(struct ldb_context *ldb, void *mem_ctx, const struct ldb_val *v1, const struct ldb_val *v2) { if (v1->length != v2->length) { - return v1->length - v2->length; + return NUMERIC_CMP(v1->length, v2->length); } return memcmp(v1->data, v2->data, v1->length); } @@ -372,17 +393,27 @@ utf8str: b2 = ldb_casefold(ldb, mem_ctx, s2, n2); if (!b1 || !b2) { - /* One of the strings was not UTF8, so we have no - * options but to do a binary compare */ + /* + * One of the strings was not UTF8, so we have no + * options but to do a binary compare. + */ talloc_free(b1); talloc_free(b2); ret = memcmp(s1, s2, MIN(n1, n2)); if (ret == 0) { - if (n1 == n2) return 0; + if (n1 == n2) { + return 0; + } if (n1 > n2) { - return (int)ldb_ascii_toupper(s1[n2]); + if (s1[n2] == '\0') { + return 0; + } + return 1; } else { - return -(int)ldb_ascii_toupper(s2[n1]); + if (s2[n1] == '\0') { + return 0; + } + return -1; } } return ret; @@ -404,7 +435,7 @@ utf8str: while (*u1 == ' ') u1++; while (*u2 == ' ') u2++; } - ret = (int)(*u1 - *u2); + ret = NUMERIC_CMP(*u1, *u2); talloc_free(b1); talloc_free(b2); diff --git a/lib/ldb/common/ldb_dn.c b/lib/ldb/common/ldb_dn.c index 601da57..8388fdb 100644 --- a/lib/ldb/common/ldb_dn.c +++ b/lib/ldb/common/ldb_dn.c @@ -1111,7 +1111,7 @@ int ldb_dn_compare_base(struct ldb_dn *base, struct ldb_dn *dn) /* compare attr.cf_value. */ if (b_vlen != dn_vlen) { - return b_vlen - dn_vlen; + return NUMERIC_CMP(b_vlen, dn_vlen); } ret = strncmp(b_vdata, dn_vdata, b_vlen); if (ret != 0) return ret; @@ -1132,8 +1132,32 @@ int ldb_dn_compare(struct ldb_dn *dn0, struct ldb_dn *dn1) { unsigned int i; int ret; + /* + * If used in sort, we shift NULL and invalid DNs to the end. + * + * If ldb_dn_casefold_internal() fails, that goes to the end too, so + * we end up with: + * + * | normal DNs, sorted | casefold failed DNs | invalid DNs | NULLs | + */ - if (( ! dn0) || dn0->invalid || ! dn1 || dn1->invalid) { + if (dn0 == dn1) { + /* this includes the both-NULL case */ + return 0; + } + if (dn0 == NULL) { + return 1; + } + if (dn1 == NULL) { + return -1; + } + if (dn0->invalid && dn1->invalid) { + return 0; + } + if (dn0->invalid) { + return 1; + } + if (dn1->invalid) { return -1; } @@ -1190,7 +1214,7 @@ int ldb_dn_compare(struct ldb_dn *dn0, struct ldb_dn *dn1) /* compare attr.cf_value. */ if (dn0_vlen != dn1_vlen) { - return dn0_vlen - dn1_vlen; + return NUMERIC_CMP(dn0_vlen, dn1_vlen); } ret = strncmp(dn0_vdata, dn1_vdata, dn0_vlen); if (ret != 0) { diff --git a/lib/ldb/common/ldb_msg.c b/lib/ldb/common/ldb_msg.c index afddbe4..c334d70 100644 --- a/lib/ldb/common/ldb_msg.c +++ b/lib/ldb/common/ldb_msg.c @@ -93,7 +93,7 @@ struct ldb_val *ldb_msg_find_val(const struct ldb_message_element *el, static int ldb_val_cmp(const struct ldb_val *v1, const struct ldb_val *v2) { if (v1->length != v2->length) { - return v1->length - v2->length; + return NUMERIC_CMP(v1->length, v2->length); } return memcmp(v1->data, v2->data, v1->length); } @@ -749,9 +749,16 @@ int ldb_msg_element_compare(struct ldb_message_element *el1, unsigned int i; if (el1->num_values != el2->num_values) { - return el1->num_values - el2->num_values; + return NUMERIC_CMP(el1->num_values, el2->num_values); } - + /* + * Note this is an inconsistent comparison, unsuitable for + * sorting. If A has values {a, b} and B has values {b, c}, + * then + * + * ldb_msg_element_compare(A, B) returns -1, meaning A < B + * ldb_msg_element_compare(B, A) returns -1, meaning B < A + */ for (i=0;i<el1->num_values;i++) { if (!ldb_msg_find_val(el2, &el1->values[i])) { return -1; diff --git a/lib/ldb/common/qsort.c b/lib/ldb/common/qsort.c index 012aaf3..bae35e6 100644 --- a/lib/ldb/common/qsort.c +++ b/lib/ldb/common/qsort.c @@ -227,7 +227,7 @@ void ldb_qsort (void *const pbase, size_t total_elems, size_t size, while ((run_ptr += size) <= end_ptr) { tmp_ptr = run_ptr - size; - while ((*cmp) ((void *) run_ptr, (void *) tmp_ptr, opaque) < 0) + while (tmp_ptr > base_ptr && (*cmp) ((void *) run_ptr, (void *) tmp_ptr, opaque) < 0) tmp_ptr -= size; tmp_ptr += size; diff --git a/lib/ldb/include/ldb.h b/lib/ldb/include/ldb.h index 5d83a27..98859d4 100644 --- a/lib/ldb/include/ldb.h +++ b/lib/ldb/include/ldb.h @@ -2326,6 +2326,22 @@ do { \ } while (0) #endif +#ifndef NUMERIC_CMP +/* + * NUMERIC_CMP is a safe replacement for `a - b` in comparison + * functions. It will work on integers, pointers, and floats. + * + * Rather than + * + * return a - b; + * + * use + * + * return NUMERIC_CMP(a, b); + */ +#define NUMERIC_CMP(a, b) (((a) > (b)) - ((a) < (b))) +#endif + /** diff --git a/lib/ldb/modules/sort.c b/lib/ldb/modules/sort.c index cb6f8df..72c60fc 100644 --- a/lib/ldb/modules/sort.c +++ b/lib/ldb/modules/sort.c @@ -121,15 +121,28 @@ static int sort_compare(struct ldb_message **msg1, struct ldb_message **msg2, vo el1 = ldb_msg_find_element(*msg1, ac->attributeName); el2 = ldb_msg_find_element(*msg2, ac->attributeName); - if (!el1 && el2) { + /* + * NULL and empty elements sort at the end (regardless of ac->reverse flag). + * NULL elements come after empty ones. + */ + if (el1 == el2) { + return 0; + } + if (el1 == NULL) { return 1; } - if (el1 && !el2) { + if (el2 == NULL) { return -1; } - if (!el1 && !el2) { + if (unlikely(el1->num_values == 0 && el2->num_values == 0)) { return 0; } + if (unlikely(el1->num_values == 0)) { + return 1; + } + if (unlikely(el2->num_values == 0)) { + return -1; + } if (ac->reverse) return ac->a->syntax->comparison_fn(ldb, ac, &el2->values[0], &el1->values[0]); diff --git a/lib/ldb/wscript b/lib/ldb/wscript index c249a82..936abe7 100644 --- a/lib/ldb/wscript +++ b/lib/ldb/wscript @@ -2,7 +2,7 @@ APPNAME = 'ldb' # For Samba 4.20.x ! -VERSION = '2.9.0' +VERSION = '2.9.1' import sys, os diff --git a/lib/socket/interfaces.c b/lib/socket/interfaces.c index 4908b0f..2426ce2 100644 --- a/lib/socket/interfaces.c +++ b/lib/socket/interfaces.c @@ -386,18 +386,18 @@ static int iface_comp(struct iface_struct *i1, struct iface_struct *i2) if (((struct sockaddr *)&i1->ip)->sa_family == AF_INET) { struct sockaddr_in *s1 = (struct sockaddr_in *)&i1->ip; struct sockaddr_in *s2 = (struct sockaddr_in *)&i2->ip; - - r = ntohl(s1->sin_addr.s_addr) - - ntohl(s2->sin_addr.s_addr); - if (r) { - return r; + uint32_t a1 = ntohl(s1->sin_addr.s_addr); + uint32_t a2 = ntohl(s2->sin_addr.s_addr); + r = NUMERIC_CMP(a1, a2); + if (r == 0) { + /* compare netmasks as a tiebreaker */ + s1 = (struct sockaddr_in *)&i1->netmask; + s2 = (struct sockaddr_in *)&i2->netmask; + a1 = ntohl(s1->sin_addr.s_addr); + a2 = ntohl(s2->sin_addr.s_addr); + r = NUMERIC_CMP(a1, a2); } - - s1 = (struct sockaddr_in *)&i1->netmask; - s2 = (struct sockaddr_in *)&i2->netmask; - - return ntohl(s1->sin_addr.s_addr) - - ntohl(s2->sin_addr.s_addr); + return r; } return 0; } diff --git a/lib/torture/torture.h b/lib/torture/torture.h index 2e86e31..2194703 100644 --- a/lib/torture/torture.h +++ b/lib/torture/torture.h @@ -534,6 +534,26 @@ static inline void torture_dump_data_str_cb(const char *buf, void *private_data) } \ } while(0) +#define torture_assert_int_less(torture_ctx,got,limit,cmt)\ + do { int __got = (got), __limit = (limit); \ + if (__got >= __limit) { \ + torture_result(torture_ctx, TORTURE_FAIL, \ + __location__": "#got" was %d (0x%X), expected < %d (0x%X): %s", \ + __got, __got, __limit, __limit, cmt); \ + return false; \ + } \ + } while(0) + +#define torture_assert_int_greater(torture_ctx,got,limit,cmt)\ + do { int __got = (got), __limit = (limit); \ + if (__got <= __limit) { \ + torture_result(torture_ctx, TORTURE_FAIL, \ + __location__": "#got" was %d (0x%X), expected > %d (0x%X): %s", \ + __got, __got, __limit, __limit, cmt); \ + return false; \ + } \ + } while(0) + #define torture_assert_int_equal_goto(torture_ctx,got,expected,ret,label,cmt)\ do { int __got = (got), __expected = (expected); \ if (__got != __expected) { \ diff --git a/lib/util/charset/codepoints.c b/lib/util/charset/codepoints.c index ea2c4be..8022627 100644 --- a/lib/util/charset/codepoints.c +++ b/lib/util/charset/codepoints.c @@ -26,6 +26,7 @@ #include "dynconfig/dynconfig.h" #include "lib/util/debug.h" #include "lib/util/byteorder.h" +#include "lib/util/tsort.h" #ifdef strcasecmp #undef strcasecmp @@ -16479,11 +16480,23 @@ _PUBLIC_ bool isupper_m(codepoint_t val) */ _PUBLIC_ int codepoint_cmpi(codepoint_t c1, codepoint_t c2) { + /* + * FIXME: this is unsuitable for use in a sort, as the + * comparison is intransitive. + * + * The problem is toupper_m() is only called on equality case, + * which has strange effects. + * + * Consider {'a', 'A', 'B'}. + * 'a' == 'A' + * 'a' > 'B' (lowercase letters come after upper) + * 'A' < 'B' + */ if (c1 == c2 || toupper_m(c1) == toupper_m(c2)) { return 0; } - return c1 - c2; + return NUMERIC_CMP(c1, c2); } diff --git a/lib/util/charset/tests/charset.c b/lib/util/charset/tests/charset.c index 547dc51..bca5449 100644 --- a/lib/util/charset/tests/charset.c +++ b/lib/util/charset/tests/charset.c @@ -72,16 +72,19 @@ static bool test_strcasecmp_m(struct torture_context *tctx) const char file_iso8859_1[7] = { 0x66, 0x69, 0x6c, 0x65, 0x2d, 0xe9, 0 }; /* file.{accented e} in utf8 */ const char file_utf8[8] = { 0x66, 0x69, 0x6c, 0x65, 0x2d, 0xc3, 0xa9, 0 }; - torture_assert_int_equal(tctx, strcasecmp_m("foo", "bar"), 4, "different strings both lower"); - torture_assert_int_equal(tctx, strcasecmp_m("foo", "Bar"), 4, "different strings lower/upper"); - torture_assert_int_equal(tctx, strcasecmp_m("Foo", "bar"), 4, "different strings upper/lower"); - torture_assert_int_equal(tctx, strcasecmp_m("AFoo", "_bar"), 2, "different strings upper/lower"); + torture_assert_int_greater(tctx, strcasecmp_m("foo", "bar"), 0, "different strings both lower"); + torture_assert_int_less(tctx, strcasecmp_m("bar", "foo"), 0, "different strings both lower"); + torture_assert_int_greater(tctx, strcasecmp_m("foo", "Bar"), 0, "different strings lower/upper"); + torture_assert_int_greater(tctx, strcasecmp_m("Foo", "bar"), 0, "different strings upper/lower"); + torture_assert_int_greater(tctx, strcasecmp_m("AFoo", "_bar"), 0, "different strings upper/lower"); torture_assert_int_equal(tctx, strcasecmp_m("foo", "foo"), 0, "same case strings"); torture_assert_int_equal(tctx, strcasecmp_m("foo", "Foo"), 0, "different case strings"); - torture_assert_int_equal(tctx, strcasecmp_m(NULL, "Foo"), -1, "one NULL"); - torture_assert_int_equal(tctx, strcasecmp_m("foo", NULL), 1, "other NULL"); + torture_assert_int_greater(tctx, strcasecmp_m("food", "Foo"), 0, "strings differ towards the end"); + torture_assert_int_less(tctx, strcasecmp_m("food", "Fool"), 0, "strings differ towards the end"); + torture_assert_int_less(tctx, strcasecmp_m(NULL, "Foo"), 0, "one NULL"); + torture_assert_int_greater(tctx, strcasecmp_m("foo", NULL), 0, "other NULL"); torture_assert_int_equal(tctx, strcasecmp_m(NULL, NULL), 0, "both NULL"); - torture_assert_int_equal(tctx, strcasecmp_m(file_iso8859_1, file_utf8), 38, + torture_assert_int_greater(tctx, strcasecmp_m(file_iso8859_1, file_utf8), 0, "file.{accented e} should differ"); return true; } @@ -151,19 +154,19 @@ static bool test_strncasecmp_m(struct torture_context *tctx) const char file_iso8859_1[7] = { 0x66, 0x69, 0x6c, 0x65, 0x2d, 0xe9, 0 }; /* file.{accented e} in utf8 */ const char file_utf8[8] = { 0x66, 0x69, 0x6c, 0x65, 0x2d, 0xc3, 0xa9, 0 }; - torture_assert_int_equal(tctx, strncasecmp_m("foo", "bar", 3), 4, "different strings both lower"); - torture_assert_int_equal(tctx, strncasecmp_m("foo", "Bar", 3), 4, "different strings lower/upper"); - torture_assert_int_equal(tctx, strncasecmp_m("Foo", "bar", 3), 4, "different strings upper/lower"); - torture_assert_int_equal(tctx, strncasecmp_m("AFoo", "_bar", 4), 2, "different strings upper/lower"); + torture_assert_int_greater(tctx, strncasecmp_m("foo", "bar", 3), 0, "different strings both lower"); + torture_assert_int_greater(tctx, strncasecmp_m("foo", "Bar", 3), 0, "different strings lower/upper"); + torture_assert_int_greater(tctx, strncasecmp_m("Foo", "bar", 3), 0, "different strings upper/lower"); + torture_assert_int_greater(tctx, strncasecmp_m("AFoo", "_bar", 4), 0, "different strings upper/lower"); torture_assert_int_equal(tctx, strncasecmp_m("foo", "foo", 3), 0, "same case strings"); torture_assert_int_equal(tctx, strncasecmp_m("foo", "Foo", 3), 0, "different case strings"); torture_assert_int_equal(tctx, strncasecmp_m("fool", "Foo", 3),0, "different case strings"); torture_assert_int_equal(tctx, strncasecmp_m("fool", "Fool", 40), 0, "over size"); torture_assert_int_equal(tctx, strncasecmp_m("BLA", "Fool", 0),0, "empty"); - torture_assert_int_equal(tctx, strncasecmp_m(NULL, "Foo", 3), -1, "one NULL"); - torture_assert_int_equal(tctx, strncasecmp_m("foo", NULL, 3), 1, "other NULL"); + torture_assert_int_less(tctx, strncasecmp_m(NULL, "Foo", 3), 0, "one NULL"); + torture_assert_int_greater(tctx, strncasecmp_m("foo", NULL, 3), 0, "other NULL"); torture_assert_int_equal(tctx, strncasecmp_m(NULL, NULL, 3), 0, "both NULL"); - torture_assert_int_equal(tctx, strncasecmp_m(file_iso8859_1, file_utf8, 6), 38, + torture_assert_int_greater(tctx, strncasecmp_m(file_iso8859_1, file_utf8, 6), 0, "file.{accented e} should differ"); return true; } diff --git a/lib/util/charset/util_str.c b/lib/util/charset/util_str.c index 1650c9b..c52b773 100644 --- a/lib/util/charset/util_str.c +++ b/lib/util/charset/util_str.c @@ -26,6 +26,7 @@ #include "system/locale.h" #include "charset.h" #include "lib/util/fault.h" +#include "lib/util/tsort.h" #ifdef strcasecmp #undef strcasecmp @@ -79,10 +80,10 @@ _PUBLIC_ int strcasecmp_m_handle(struct smb_iconv_handle *iconv_handle, continue; } - return l1 - l2; + return NUMERIC_CMP(l1, l2); } - return *s1 - *s2; + return NUMERIC_CMP(*s1, *s2); } /** @@ -156,14 +157,14 @@ _PUBLIC_ int strncasecmp_m_handle(struct smb_iconv_handle *iconv_handle, continue; } - return l1 - l2; + return NUMERIC_CMP(l1, l2); } if (n == 0) { return 0; } - return *s1 - *s2; + return NUMERIC_CMP(*s1, *s2); } /** diff --git a/lib/util/data_blob.c b/lib/util/data_blob.c index 69a340c..1558200 100644 --- a/lib/util/data_blob.c +++ b/lib/util/data_blob.c @@ -22,6 +22,7 @@ #include "attr.h" #include "data_blob.h" #include "lib/util/samba_util.h" +#include "lib/util/tsort.h" const DATA_BLOB data_blob_null = { NULL, 0 }; @@ -121,12 +122,12 @@ _PUBLIC_ int data_blob_cmp(const DATA_BLOB *d1, const DATA_BLOB *d2) return 1; } if (d1->data == d2->data) { - return d1->length - d2->length; + return NUMERIC_CMP(d1->length, d2->length); } ret = memcmp(d1->data, d2->data, MIN(d1->length, d2->length)); if (ret == 0) { /* Note this ordering is used in conditional aces */ - return d1->length - d2->length; + return NUMERIC_CMP(d1->length, d2->length); } return ret; } diff --git a/lib/util/tests/binsearch.c b/lib/util/tests/binsearch.c index b3ecda1..2484015 100644 --- a/lib/util/tests/binsearch.c +++ b/lib/util/tests/binsearch.c @@ -23,17 +23,19 @@ #include "includes.h" #include "lib/util/binsearch.h" +#include "lib/util/tsort.h" #include "torture/torture.h" #include "torture/local/proto.h" static int int_cmp(int a, int b) { - return a - b; + return NUMERIC_CMP(a, b); } static int int_cmp_p(int a, int *b) { - return a - *b; + int _b = *b; + return NUMERIC_CMP(a, _b); } static bool test_binsearch_v(struct torture_context *tctx) diff --git a/lib/util/tests/test_ms_fnmatch.c b/lib/util/tests/test_ms_fnmatch.c index d11c7be..2261f9b 100644 --- a/lib/util/tests/test_ms_fnmatch.c +++ b/lib/util/tests/test_ms_fnmatch.c @@ -36,7 +36,7 @@ static void test_ms_fn_match_protocol_no_wildcard(void **state) /* no wildcards in pattern, a simple strcasecmp_m */ cmp = ms_fnmatch_protocol("pattern", "string", PROTOCOL_COREPLUS, true); /* case sensitive */ - assert_int_equal(cmp, -3); + assert_true(cmp < 0); } static void test_ms_fn_match_protocol_pattern_upgraded(void **state) diff --git a/lib/util/tsort.h b/lib/util/tsort.h index 811d6cd..18e82d6 100644 --- a/lib/util/tsort.h +++ b/lib/util/tsort.h @@ -37,4 +37,23 @@ do { \ } while (0) #endif + +#ifndef NUMERIC_CMP +/* + * NUMERIC_CMP is a safe replacement for `a - b` in comparison + * functions. It will work on integers, pointers, and floats. + * + * Rather than + * + * return a - b; + * + * use + * + * return NUMERIC_CMP(a, b); + * + * and you won't have any troubles if a - b would overflow. + */ +#define NUMERIC_CMP(a, b) (((a) > (b)) - ((a) < (b))) +#endif + #endif |