diff options
Diffstat (limited to 'source4/lib')
-rw-r--r-- | source4/lib/registry/dir.c | 6 | ||||
-rw-r--r-- | source4/lib/registry/hive.c | 2 | ||||
-rw-r--r-- | source4/lib/registry/ldb.c | 109 | ||||
-rw-r--r-- | source4/lib/registry/local.c | 2 | ||||
-rw-r--r-- | source4/lib/registry/patchfile.c | 20 | ||||
-rw-r--r-- | source4/lib/registry/regf.c | 24 | ||||
-rw-r--r-- | source4/lib/registry/samba.c | 2 | ||||
-rw-r--r-- | source4/lib/registry/tests/hive.c | 10 | ||||
-rw-r--r-- | source4/lib/registry/tests/registry.c | 20 | ||||
-rw-r--r-- | source4/lib/tdb/common/freelist.c | 85 | ||||
-rw-r--r-- | source4/lib/tdb/common/open.c | 6 | ||||
-rw-r--r-- | source4/lib/tdb/common/tdb.c | 42 | ||||
-rw-r--r-- | source4/lib/tdb/common/tdb_private.h | 2 | ||||
-rw-r--r-- | source4/lib/tdb/common/transaction.c | 29 | ||||
-rw-r--r-- | source4/lib/tdb/common/traverse.c | 3 | ||||
-rw-r--r-- | source4/lib/tdb/docs/README | 3 | ||||
-rw-r--r-- | source4/lib/tdb/include/tdb.h | 7 | ||||
-rw-r--r-- | source4/lib/tdb/tools/tdbtool.c | 2 |
18 files changed, 192 insertions, 182 deletions
diff --git a/source4/lib/registry/dir.c b/source4/lib/registry/dir.c index a13e3753b7..27cae8c490 100644 --- a/source4/lib/registry/dir.c +++ b/source4/lib/registry/dir.c @@ -64,7 +64,7 @@ static WERROR reg_dir_del_key(const struct hive_key *k, const char *name) if (rmdir(child) == 0) ret = WERR_OK; else if (errno == ENOENT) - ret = WERR_NOT_FOUND; + ret = WERR_BADFILE; else ret = WERR_GENERAL_FAILURE; @@ -282,7 +282,7 @@ static WERROR reg_dir_get_value(TALLOC_CTX *mem_ctx, contents = file_load(path, &size, mem_ctx); talloc_free(path); if (contents == NULL) - return WERR_NOT_FOUND; + return WERR_BADFILE; if (type != NULL) *type = 4; /* FIXME */ @@ -339,7 +339,7 @@ static WERROR reg_dir_del_value (struct hive_key *key, const char *name) if (unlink(path) < 0) { talloc_free(path); if (errno == ENOENT) - return WERR_NOT_FOUND; + return WERR_BADFILE; return WERR_GENERAL_FAILURE; } talloc_free(path); diff --git a/source4/lib/registry/hive.c b/source4/lib/registry/hive.c index bbe510772c..5d56a30b3e 100644 --- a/source4/lib/registry/hive.c +++ b/source4/lib/registry/hive.c @@ -41,7 +41,7 @@ _PUBLIC_ WERROR reg_open_hive(TALLOC_CTX *parent_ctx, const char *location, fd = open(location, O_RDWR); if (fd == -1) { if (errno == ENOENT) - return WERR_NOT_FOUND; + return WERR_BADFILE; return WERR_BADFILE; } diff --git a/source4/lib/registry/ldb.c b/source4/lib/registry/ldb.c index 259315cc39..262859f64b 100644 --- a/source4/lib/registry/ldb.c +++ b/source4/lib/registry/ldb.c @@ -111,6 +111,15 @@ static struct ldb_message *reg_ldb_pack_value(struct ldb_context *ctx, return msg; } +static char *reg_ldb_escape(TALLOC_CTX *mem_ctx, const char *value) +{ + struct ldb_val val; + + val.data = discard_const_p(uint8_t, value); + val.length = strlen(value); + + return ldb_dn_escape_value(mem_ctx, val); +} static int reg_close_ldb_key(struct ldb_key_data *key) { @@ -159,7 +168,13 @@ static struct ldb_dn *reg_path_to_ldb(TALLOC_CTX *mem_ctx, else keyname = mypath; if(strlen(keyname)) { - ldb_dn_add_base_fmt(ret, "key=%s", keyname); + if (!ldb_dn_add_base_fmt(ret, "key=%s", + reg_ldb_escape(local_ctx, + keyname))) + { + talloc_free(local_ctx); + return NULL; + } } if(begin) { @@ -293,7 +308,7 @@ static WERROR ldb_get_value(TALLOC_CTX *mem_ctx, struct hive_key *k, } if (res->count == 0) - return WERR_NOT_FOUND; + return WERR_BADFILE; reg_ldb_unpack_value(mem_ctx, res->msgs[0], NULL, data_type, data); @@ -322,7 +337,7 @@ static WERROR ldb_open_key(TALLOC_CTX *mem_ctx, const struct hive_key *h, DEBUG(3, ("Key '%s' not found\n", ldb_dn_get_linearized(ldap_path))); talloc_free(res); - return WERR_NOT_FOUND; + return WERR_BADFILE; } newkd = talloc_zero(mem_ctx, struct ldb_key_data); @@ -385,7 +400,7 @@ static WERROR ldb_add_key(TALLOC_CTX *mem_ctx, const struct hive_key *parent, struct security_descriptor *sd, struct hive_key **newkey) { - const struct ldb_key_data *parentkd = (const struct ldb_key_data *)parent; + struct ldb_key_data *parentkd = (const struct ldb_key_data *)parent; struct ldb_message *msg; struct ldb_key_data *newkd; int ret; @@ -400,8 +415,12 @@ static WERROR ldb_add_key(TALLOC_CTX *mem_ctx, const struct hive_key *parent, talloc_strdup(mem_ctx, classname)); ret = ldb_add(parentkd->ldb, msg); - if (ret < 0) { - DEBUG(1, ("ldb_msg_add: %s\n", ldb_errstring(parentkd->ldb))); + if (ret == LDB_ERR_ENTRY_ALREADY_EXISTS) { + return WERR_ALREADY_EXISTS; + } + + if (ret != LDB_SUCCESS) { + DEBUG(1, ("ldb_add: %s\n", ldb_errstring(parentkd->ldb))); return WERR_FOOBAR; } @@ -414,29 +433,37 @@ static WERROR ldb_add_key(TALLOC_CTX *mem_ctx, const struct hive_key *parent, *newkey = (struct hive_key *)newkd; + /* reset cache */ + talloc_free(parentkd->subkeys); + parentkd->subkeys = NULL; + return WERR_OK; } -static WERROR ldb_del_key(const struct hive_key *key, const char *child) +static WERROR ldb_del_key(const struct hive_key *key, const char *name) { int ret; struct ldb_key_data *parentkd = talloc_get_type(key, struct ldb_key_data); - struct ldb_dn *childdn; + struct ldb_dn *ldap_path; + TALLOC_CTX *mem_ctx = talloc_init("ldb_del_key"); - childdn = ldb_dn_copy(parentkd->ldb, parentkd->dn); - ldb_dn_add_child_fmt(childdn, "key=%s", child); + ldap_path = reg_path_to_ldb(mem_ctx, key, name, NULL); - ret = ldb_delete(parentkd->ldb, childdn); + ret = ldb_delete(parentkd->ldb, ldap_path); - talloc_free(childdn); + talloc_free(mem_ctx); if (ret == LDB_ERR_NO_SUCH_OBJECT) { - return WERR_NOT_FOUND; - } else if (ret < 0) { + return WERR_BADFILE; + } else if (ret != LDB_SUCCESS) { DEBUG(1, ("ldb_del_key: %s\n", ldb_errstring(parentkd->ldb))); return WERR_FOOBAR; } + /* reset cache */ + talloc_free(parentkd->subkeys); + parentkd->subkeys = NULL; + return WERR_OK; } @@ -447,19 +474,28 @@ static WERROR ldb_del_value (struct hive_key *key, const char *child) struct ldb_dn *childdn; childdn = ldb_dn_copy(kd->ldb, kd->dn); - ldb_dn_add_child_fmt(childdn, "value=%s", child); + if (!ldb_dn_add_child_fmt(childdn, "value=%s", + reg_ldb_escape(childdn, child))) + { + talloc_free(childdn); + return WERR_FOOBAR; + } ret = ldb_delete(kd->ldb, childdn); talloc_free(childdn); if (ret == LDB_ERR_NO_SUCH_OBJECT) { - return WERR_NOT_FOUND; - } else if (ret < 0) { + return WERR_BADFILE; + } else if (ret != LDB_SUCCESS) { DEBUG(1, ("ldb_del_value: %s\n", ldb_errstring(kd->ldb))); return WERR_FOOBAR; } + /* reset cache */ + talloc_free(kd->values); + kd->values = NULL; + return WERR_OK; } @@ -475,18 +511,32 @@ static WERROR ldb_set_value(struct hive_key *parent, msg = reg_ldb_pack_value(kd->ldb, mem_ctx, name, type, data); msg->dn = ldb_dn_copy(msg, kd->dn); - ldb_dn_add_child_fmt(msg->dn, "value=%s", name); + if (!ldb_dn_add_child_fmt(msg->dn, "value=%s", + reg_ldb_escape(mem_ctx, name))) + { + talloc_free(mem_ctx); + return WERR_FOOBAR; + } ret = ldb_add(kd->ldb, msg); - if (ret < 0) { - ret = ldb_modify(kd->ldb, msg); - if (ret < 0) { - DEBUG(1, ("ldb_msg_add: %s\n", ldb_errstring(kd->ldb))); - talloc_free(mem_ctx); - return WERR_FOOBAR; + if (ret == LDB_ERR_ENTRY_ALREADY_EXISTS) { + int i; + for (i = 0; i < msg->num_elements; i++) { + msg->elements[i].flags = LDB_FLAG_MOD_REPLACE; } + ret = ldb_modify(kd->ldb, msg); + } + + if (ret != LDB_SUCCESS) { + DEBUG(1, ("ldb_msg_add: %s\n", ldb_errstring(kd->ldb))); + talloc_free(mem_ctx); + return WERR_FOOBAR; } + /* reset cache */ + talloc_free(kd->values); + kd->values = NULL; + talloc_free(mem_ctx); return WERR_OK; } @@ -503,17 +553,23 @@ static WERROR ldb_get_key_info(TALLOC_CTX *mem_ctx, { struct ldb_key_data *kd = talloc_get_type(key, struct ldb_key_data); + if (kd->subkeys == NULL) { + W_ERROR_NOT_OK_RETURN(cache_subkeys(kd)); + } + + if (kd->values == NULL) { + W_ERROR_NOT_OK_RETURN(cache_values(kd)); + } + /* FIXME */ if (classname != NULL) *classname = NULL; if (num_subkeys != NULL) { - W_ERROR_NOT_OK_RETURN(cache_subkeys(kd)); *num_subkeys = kd->subkey_count; } if (num_values != NULL) { - W_ERROR_NOT_OK_RETURN(cache_values(kd)); *num_values = kd->value_count; } @@ -523,7 +579,6 @@ static WERROR ldb_get_key_info(TALLOC_CTX *mem_ctx, if (max_subkeynamelen != NULL) { int i; struct ldb_message_element *el; - W_ERROR_NOT_OK_RETURN(cache_subkeys(kd)); *max_subkeynamelen = 0; diff --git a/source4/lib/registry/local.c b/source4/lib/registry/local.c index fa59f25596..3e463100c9 100644 --- a/source4/lib/registry/local.c +++ b/source4/lib/registry/local.c @@ -140,7 +140,7 @@ WERROR local_get_predefined_key(struct registry_context *ctx, } if (mp == NULL) - return WERR_NOT_FOUND; + return WERR_BADFILE; *key = reg_import_hive_key(ctx, mp->key, mp->path.predefined_key, diff --git a/source4/lib/registry/patchfile.c b/source4/lib/registry/patchfile.c index b6ad7dfb10..fa1367bbd2 100644 --- a/source4/lib/registry/patchfile.c +++ b/source4/lib/registry/patchfile.c @@ -82,11 +82,11 @@ WERROR reg_generate_diff_key(struct registry_key *oldkey, if (W_ERROR_IS_OK(error2)) continue; } else { - error2 = WERR_DEST_NOT_FOUND; + error2 = WERR_BADFILE; t2 = NULL; } - if (!W_ERROR_EQUAL(error2, WERR_DEST_NOT_FOUND)) { + if (!W_ERROR_EQUAL(error2, WERR_BADFILE)) { DEBUG(0, ("Error occured while getting subkey by name: %s\n", win_errstr(error2))); talloc_free(mem_ctx); @@ -132,10 +132,10 @@ WERROR reg_generate_diff_key(struct registry_key *oldkey, continue; } else { t1 = NULL; - error2 = WERR_DEST_NOT_FOUND; + error2 = WERR_BADFILE; } - if (!W_ERROR_EQUAL(error2, WERR_DEST_NOT_FOUND)) { + if (!W_ERROR_EQUAL(error2, WERR_BADFILE)) { DEBUG(0, ("Error occured while getting subkey by name: %s\n", win_errstr(error2))); talloc_free(mem_ctx); @@ -174,10 +174,10 @@ WERROR reg_generate_diff_key(struct registry_key *oldkey, name, &type2, &contents2); } else - error2 = WERR_DEST_NOT_FOUND; + error2 = WERR_BADFILE; if(!W_ERROR_IS_OK(error2) && - !W_ERROR_EQUAL(error2, WERR_DEST_NOT_FOUND)) { + !W_ERROR_EQUAL(error2, WERR_BADFILE)) { DEBUG(0, ("Error occured while getting value by name: %s\n", win_errstr(error2))); talloc_free(mem_ctx); @@ -210,7 +210,7 @@ WERROR reg_generate_diff_key(struct registry_key *oldkey, if (W_ERROR_IS_OK(error2)) continue; - if (!W_ERROR_EQUAL(error2, WERR_DEST_NOT_FOUND)) { + if (!W_ERROR_EQUAL(error2, WERR_BADFILE)) { DEBUG(0, ("Error occured while getting value by name: %s\n", win_errstr(error2))); return error2; @@ -238,14 +238,14 @@ _PUBLIC_ WERROR reg_generate_diff(struct registry_context *ctx1, struct registry_key *r1 = NULL, *r2 = NULL; error = reg_get_predefined_key(ctx1, i, &r1); if (!W_ERROR_IS_OK(error) && - !W_ERROR_EQUAL(error, WERR_NOT_FOUND)) { + !W_ERROR_EQUAL(error, WERR_BADFILE)) { DEBUG(0, ("Unable to open hive %s for backend 1\n", reg_get_predef_name(i))); } error = reg_get_predefined_key(ctx2, i, &r2); if (!W_ERROR_IS_OK(error) && - !W_ERROR_EQUAL(error, WERR_NOT_FOUND)) { + !W_ERROR_EQUAL(error, WERR_BADFILE)) { DEBUG(0, ("Unable to open hive %s for backend 2\n", reg_get_predef_name(i))); } @@ -356,7 +356,7 @@ static WERROR reg_diff_apply_set_value(void *_ctx, const char *path, /* Open key */ error = reg_open_key_abs(ctx, ctx, path, &tmp); - if (W_ERROR_EQUAL(error, WERR_DEST_NOT_FOUND)) { + if (W_ERROR_EQUAL(error, WERR_BADFILE)) { DEBUG(0, ("Error opening key '%s'\n", path)); return error; } diff --git a/source4/lib/registry/regf.c b/source4/lib/registry/regf.c index 9b126cc808..15b60745f0 100644 --- a/source4/lib/registry/regf.c +++ b/source4/lib/registry/regf.c @@ -575,7 +575,7 @@ static WERROR regf_get_value_by_name(TALLOC_CTX *mem_ctx, } if (W_ERROR_EQUAL(error, WERR_NO_MORE_ITEMS)) - return WERR_NOT_FOUND; + return WERR_BADFILE; return error; } @@ -870,7 +870,7 @@ static WERROR regf_get_subkey_by_name(TALLOC_CTX *ctx, break; } if (key_off == 0) - return WERR_NOT_FOUND; + return WERR_BADFILE; } else if (!strncmp((char *)data.data, "lf", 2)) { struct lf_block lf; struct tdr_pull *pull = tdr_pull_init(ctx, private_data->hive->iconv_convenience); @@ -905,7 +905,7 @@ static WERROR regf_get_subkey_by_name(TALLOC_CTX *ctx, break; } if (key_off == 0) - return WERR_NOT_FOUND; + return WERR_BADFILE; } else if (!strncmp((char *)data.data, "lh", 2)) { struct lh_block lh; struct tdr_pull *pull = tdr_pull_init(ctx, private_data->hive->iconv_convenience); @@ -942,7 +942,7 @@ static WERROR regf_get_subkey_by_name(TALLOC_CTX *ctx, break; } if (key_off == 0) - return WERR_NOT_FOUND; + return WERR_BADFILE; } else if (!strncmp((char *)data.data, "ri", 2)) { struct ri_block ri; struct tdr_pull *pull = tdr_pull_init(ctx, private_data->hive->iconv_convenience); @@ -1022,7 +1022,7 @@ static WERROR regf_get_subkey_by_name(TALLOC_CTX *ctx, } talloc_free(pull); if (!key_off) - return WERR_NOT_FOUND; + return WERR_BADFILE; } else { DEBUG(0, ("Unknown subkey list type.\n")); return WERR_GENERAL_FAILURE; @@ -1419,7 +1419,7 @@ static WERROR regf_sl_del_entry(struct regf_data *regf, uint32_t list_offset, } if (!found_offset) { DEBUG(2, ("Subkey not found\n")); - return WERR_NOT_FOUND; + return WERR_BADFILE; } li.key_count--; @@ -1464,7 +1464,7 @@ static WERROR regf_sl_del_entry(struct regf_data *regf, uint32_t list_offset, } if (!found_offset) { DEBUG(2, ("Subkey not found\n")); - return WERR_NOT_FOUND; + return WERR_BADFILE; } lf.key_count--; @@ -1510,7 +1510,7 @@ static WERROR regf_sl_del_entry(struct regf_data *regf, uint32_t list_offset, } if (!found_offset) { DEBUG(0, ("Subkey not found\n")); - return WERR_NOT_FOUND; + return WERR_BADFILE; } lh.key_count--; @@ -1548,7 +1548,7 @@ static WERROR regf_del_value (struct hive_key *key, const char *name) uint32_t i; if (nk->values_offset == -1) { - return WERR_NOT_FOUND; + return WERR_BADFILE; } values = hbin_get(regf, nk->values_offset); @@ -1572,7 +1572,7 @@ static WERROR regf_del_value (struct hive_key *key, const char *name) } } if (!found_offset) { - return WERR_NOT_FOUND; + return WERR_BADFILE; } else { nk->num_values--; values.length = (nk->num_values)*4; @@ -1608,14 +1608,14 @@ static WERROR regf_del_key(const struct hive_key *parent, const char *name) if (parent_nk->subkeys_offset == -1) { DEBUG(4, ("Subkey list is empty, this key cannot contain subkeys.\n")); - return WERR_NOT_FOUND; + return WERR_BADFILE; } /* Find the key */ if (!W_ERROR_IS_OK(regf_get_subkey_by_name(parent_nk, parent, name, (struct hive_key **)&key))) { DEBUG(2, ("Key '%s' not found\n", name)); - return WERR_NOT_FOUND; + return WERR_BADFILE; } if (key->nk->subkeys_offset != -1 || diff --git a/source4/lib/registry/samba.c b/source4/lib/registry/samba.c index 02f3363bab..599385e73c 100644 --- a/source4/lib/registry/samba.c +++ b/source4/lib/registry/samba.c @@ -42,7 +42,7 @@ static WERROR mount_samba_hive(struct registry_context *ctx, error = reg_open_hive(ctx, location, auth_info, creds, lp_ctx, &hive); - if (W_ERROR_EQUAL(error, WERR_NOT_FOUND)) + if (W_ERROR_EQUAL(error, WERR_BADFILE)) error = reg_open_ldb_file(ctx, location, auth_info, creds, lp_ctx, &hive); diff --git a/source4/lib/registry/tests/hive.c b/source4/lib/registry/tests/hive.c index 22b4785222..4d27e83a74 100644 --- a/source4/lib/registry/tests/hive.c +++ b/source4/lib/registry/tests/hive.c @@ -31,7 +31,7 @@ static bool test_del_nonexistant_key(struct torture_context *tctx, { const struct hive_key *root = (const struct hive_key *)test_data; WERROR error = hive_key_del(root, "bla"); - torture_assert_werr_equal(tctx, error, WERR_NOT_FOUND, + torture_assert_werr_equal(tctx, error, WERR_BADFILE, "invalid return code"); return true; @@ -134,7 +134,7 @@ static bool test_del_key(struct torture_context *tctx, const void *test_data) torture_assert_werr_ok(tctx, error, "reg_key_del"); error = hive_key_del(root, "Nested Key"); - torture_assert_werr_equal(tctx, error, WERR_NOT_FOUND, "reg_key_del"); + torture_assert_werr_equal(tctx, error, WERR_BADFILE, "reg_key_del"); return true; } @@ -174,7 +174,7 @@ static bool test_get_value(struct torture_context *tctx, const void *test_data) torture_assert_werr_ok(tctx, error, "hive_key_add_name"); error = hive_get_value(mem_ctx, subkey, "Answer", &type, &value); - torture_assert_werr_equal(tctx, error, WERR_NOT_FOUND, + torture_assert_werr_equal(tctx, error, WERR_BADFILE, "getting missing value"); error = hive_key_set_value(subkey, "Answer", REG_DWORD, @@ -215,10 +215,10 @@ static bool test_del_value(struct torture_context *tctx, const void *test_data) torture_assert_werr_ok(tctx, error, "deleting value"); error = hive_get_value(mem_ctx, subkey, "Answer", &type, &value); - torture_assert_werr_equal(tctx, error, WERR_NOT_FOUND, "getting value"); + torture_assert_werr_equal(tctx, error, WERR_BADFILE, "getting value"); error = hive_key_del_value(subkey, "Answer"); - torture_assert_werr_equal(tctx, error, WERR_NOT_FOUND, + torture_assert_werr_equal(tctx, error, WERR_BADFILE, "deleting value"); return true; diff --git a/source4/lib/registry/tests/registry.c b/source4/lib/registry/tests/registry.c index 75fbe1cbea..7d14b3a412 100644 --- a/source4/lib/registry/tests/registry.c +++ b/source4/lib/registry/tests/registry.c @@ -53,7 +53,7 @@ static bool test_get_predefined_unknown(struct torture_context *tctx, WERROR error; error = reg_get_predefined_key(rctx, 1337, &root); - torture_assert_werr_equal(tctx, error, WERR_NOT_FOUND, + torture_assert_werr_equal(tctx, error, WERR_BADFILE, "getting predefined key failed"); return true; } @@ -195,16 +195,16 @@ static bool test_del_key(struct torture_context *tctx, void *_data) torture_assert_werr_ok(tctx, error, "getting predefined key failed"); - error = reg_key_add_name(rctx, root, "Hamburg", NULL, NULL, &newkey); + error = reg_key_add_name(rctx, root, "Polen", NULL, NULL, &newkey); torture_assert_werr_ok(tctx, error, "Creating key return code"); torture_assert(tctx, newkey != NULL, "Creating new key"); - error = reg_key_del(root, "Hamburg"); + error = reg_key_del(root, "Polen"); torture_assert_werr_ok(tctx, error, "Delete key"); - error = reg_key_del(root, "Hamburg"); - torture_assert_werr_equal(tctx, error, WERR_NOT_FOUND, + error = reg_key_del(root, "Polen"); + torture_assert_werr_equal(tctx, error, WERR_BADFILE, "Delete missing key"); return true; @@ -239,7 +239,7 @@ static bool test_flush_key(struct torture_context *tctx, void *_data) struct registry_key *root, *subkey; WERROR error; - if (!create_test_key(tctx, rctx, "Munchen", &root, &subkey)) + if (!create_test_key(tctx, rctx, "Bremen", &root, &subkey)) return false; error = reg_key_flush(subkey); @@ -416,7 +416,7 @@ static bool test_get_value(struct torture_context *tctx, void *_data) error = reg_key_get_value_by_name(tctx, subkey, __FUNCTION__, &type, &data); - torture_assert_werr_equal(tctx, error, WERR_NOT_FOUND, + torture_assert_werr_equal(tctx, error, WERR_BADFILE, "getting missing value"); error = reg_val_set(subkey, __FUNCTION__, REG_DWORD, @@ -447,12 +447,12 @@ static bool test_del_value(struct torture_context *tctx, void *_data) uint32_t value = 42; uint32_t type; - if (!create_test_key(tctx, rctx, "Duisburg", &root, &subkey)) + if (!create_test_key(tctx, rctx, "Warschau", &root, &subkey)) return false; error = reg_key_get_value_by_name(tctx, subkey, __FUNCTION__, &type, &data); - torture_assert_werr_equal(tctx, error, WERR_NOT_FOUND, + torture_assert_werr_equal(tctx, error, WERR_BADFILE, "getting missing value"); error = reg_val_set(subkey, __FUNCTION__, REG_DWORD, @@ -464,7 +464,7 @@ static bool test_del_value(struct torture_context *tctx, void *_data) error = reg_key_get_value_by_name(tctx, subkey, __FUNCTION__, &type, &data); - torture_assert_werr_equal(tctx, error, WERR_NOT_FOUND, + torture_assert_werr_equal(tctx, error, WERR_BADFILE, "getting missing value"); return true; diff --git a/source4/lib/tdb/common/freelist.c b/source4/lib/tdb/common/freelist.c index c086c151fa..2f2a4c379b 100644 --- a/source4/lib/tdb/common/freelist.c +++ b/source4/lib/tdb/common/freelist.c @@ -208,62 +208,61 @@ update: } + /* the core of tdb_allocate - called when we have decided which free list entry to use + + Note that we try to allocate by grabbing data from the end of an existing record, + not the beginning. This is so the left merge in a free is more likely to be + able to free up the record without fragmentation */ -static tdb_off_t tdb_allocate_ofs(struct tdb_context *tdb, tdb_len_t length, tdb_off_t rec_ptr, - struct list_struct *rec, tdb_off_t last_ptr) +static tdb_off_t tdb_allocate_ofs(struct tdb_context *tdb, + tdb_len_t length, tdb_off_t rec_ptr, + struct list_struct *rec, tdb_off_t last_ptr) { - struct list_struct newrec; - tdb_off_t newrec_ptr; +#define MIN_REC_SIZE (sizeof(struct list_struct) + sizeof(tdb_off_t) + 8) - memset(&newrec, '\0', sizeof(newrec)); + if (rec->rec_len < length + MIN_REC_SIZE) { + /* we have to grab the whole record */ - /* found it - now possibly split it up */ - if (rec->rec_len > length + MIN_REC_SIZE) { - /* Length of left piece */ - length = TDB_ALIGN(length, TDB_ALIGNMENT); - - /* Right piece to go on free list */ - newrec.rec_len = rec->rec_len - (sizeof(*rec) + length); - newrec_ptr = rec_ptr + sizeof(*rec) + length; - - /* And left record is shortened */ - rec->rec_len = length; - } else { - newrec_ptr = 0; + /* unlink it from the previous record */ + if (tdb_ofs_write(tdb, last_ptr, &rec->next) == -1) { + return 0; + } + + /* mark it not free */ + rec->magic = TDB_MAGIC; + if (tdb_rec_write(tdb, rec_ptr, rec) == -1) { + return 0; + } + return rec_ptr; + } + + /* we're going to just shorten the existing record */ + rec->rec_len -= (length + sizeof(*rec)); + if (tdb_rec_write(tdb, rec_ptr, rec) == -1) { + return 0; } - - /* Remove allocated record from the free list */ - if (tdb_ofs_write(tdb, last_ptr, &rec->next) == -1) { + if (update_tailer(tdb, rec_ptr, rec) == -1) { return 0; } - - /* Update header: do this before we drop alloc - lock, otherwise tdb_free() might try to - merge with us, thinking we're free. - (Thanks Jeremy Allison). */ + + /* and setup the new record */ + rec_ptr += sizeof(*rec) + rec->rec_len; + + memset(rec, '\0', sizeof(*rec)); + rec->rec_len = length; rec->magic = TDB_MAGIC; + if (tdb_rec_write(tdb, rec_ptr, rec) == -1) { return 0; } - - /* Did we create new block? */ - if (newrec_ptr) { - /* Update allocated record tailer (we - shortened it). */ - if (update_tailer(tdb, rec_ptr, rec) == -1) { - return 0; - } - - /* Free new record */ - if (tdb_free(tdb, newrec_ptr, &newrec) == -1) { - return 0; - } + + if (update_tailer(tdb, rec_ptr, rec) == -1) { + return 0; } - - /* all done - return the new record offset */ + return rec_ptr; } @@ -287,6 +286,7 @@ tdb_off_t tdb_allocate(struct tdb_context *tdb, tdb_len_t length, struct list_st /* Extra bytes required for tailer */ length += sizeof(tdb_off_t); + length = TDB_ALIGN(length, TDB_ALIGNMENT); again: last_ptr = FREELIST_TOP; @@ -343,7 +343,8 @@ tdb_off_t tdb_allocate(struct tdb_context *tdb, tdb_len_t length, struct list_st goto fail; } - newrec_ptr = tdb_allocate_ofs(tdb, length, bestfit.rec_ptr, rec, bestfit.last_ptr); + newrec_ptr = tdb_allocate_ofs(tdb, length, bestfit.rec_ptr, + rec, bestfit.last_ptr); tdb_unlock(tdb, -1, F_WRLCK); return newrec_ptr; } diff --git a/source4/lib/tdb/common/open.c b/source4/lib/tdb/common/open.c index 6bd8fda2bf..b19e4cea29 100644 --- a/source4/lib/tdb/common/open.c +++ b/source4/lib/tdb/common/open.c @@ -179,9 +179,7 @@ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags, tdb->page_size = 0x2000; } - if (open_flags & TDB_VOLATILE) { - tdb->max_dead_records = 5; - } + tdb->max_dead_records = (tdb_flags & TDB_VOLATILE) ? 5 : 0; if ((open_flags & O_ACCMODE) == O_WRONLY) { TDB_LOG((tdb, TDB_DEBUG_ERROR, "tdb_open_ex: can't open tdb %s write-only\n", @@ -229,6 +227,7 @@ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags, /* we need to zero database if we are the only one with it open */ if ((tdb_flags & TDB_CLEAR_IF_FIRST) && + (!tdb->read_only) && (locked = (tdb->methods->tdb_brlock(tdb, ACTIVE_LOCK, F_WRLCK, F_SETLK, 0, 1) == 0))) { open_flags |= O_CREAT; if (ftruncate(tdb->fd, 0) == -1) { @@ -288,7 +287,6 @@ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int tdb_flags, tdb->map_size = st.st_size; tdb->device = st.st_dev; tdb->inode = st.st_ino; - tdb->max_dead_records = 0; tdb_mmap(tdb); if (locked) { if (tdb->methods->tdb_brlock(tdb, ACTIVE_LOCK, F_UNLCK, F_SETLK, 0, 1) == -1) { diff --git a/source4/lib/tdb/common/tdb.c b/source4/lib/tdb/common/tdb.c index fd4e1cc8af..ea5d9ccc60 100644 --- a/source4/lib/tdb/common/tdb.c +++ b/source4/lib/tdb/common/tdb.c @@ -743,45 +743,3 @@ failed: tdb_unlockall(tdb); return -1; } - - -/* - validate the integrity of all tdb hash chains. Useful when debugging - */ -int tdb_validate(struct tdb_context *tdb) -{ - int h; - for (h=-1;h<(int)tdb->header.hash_size;h++) { - tdb_off_t rec_ptr; - uint32_t count = 0; - if (tdb_ofs_read(tdb, TDB_HASH_TOP(h), &rec_ptr) == -1) { - TDB_LOG((tdb, TDB_DEBUG_FATAL, "tdb_validate: failed ofs_read at top of hash %d\n", h)); - return -1; - } - while (rec_ptr) { - struct list_struct r; - tdb_off_t size; - - if (tdb_rec_read(tdb, rec_ptr, &r) == -1) { - TDB_LOG((tdb, TDB_DEBUG_FATAL, "tdb_validate: failed rec_read h=%d rec_ptr=%u count=%u\n", - h, rec_ptr, count)); - return -1; - } - if (tdb_ofs_read(tdb, rec_ptr + sizeof(r) + r.rec_len - sizeof(tdb_off_t), &size) == -1) { - TDB_LOG((tdb, TDB_DEBUG_FATAL, "tdb_validate: failed ofs_read h=%d rec_ptr=%u count=%u\n", - h, rec_ptr, count)); - return -1; - } - if (size != r.rec_len + sizeof(r)) { - TDB_LOG((tdb, TDB_DEBUG_FATAL, "tdb_validate: failed size check size=%u h=%d rec_ptr=%u count=%u\n", - size, h, rec_ptr, count)); - return -1; - } - rec_ptr = r.next; - count++; - } - } - return 0; -} - - diff --git a/source4/lib/tdb/common/tdb_private.h b/source4/lib/tdb/common/tdb_private.h index 63a6d04e72..ffac89ff0e 100644 --- a/source4/lib/tdb/common/tdb_private.h +++ b/source4/lib/tdb/common/tdb_private.h @@ -49,7 +49,6 @@ typedef uint32_t tdb_off_t; #define TDB_DEAD_MAGIC (0xFEE1DEAD) #define TDB_RECOVERY_MAGIC (0xf53bc0e7U) #define TDB_ALIGNMENT 4 -#define MIN_REC_SIZE (2*sizeof(struct list_struct) + TDB_ALIGNMENT) #define DEFAULT_HASH_SIZE 131 #define FREELIST_TOP (sizeof(struct tdb_header)) #define TDB_ALIGN(x,a) (((x) + (a)-1) & ~((a)-1)) @@ -178,6 +177,7 @@ struct tdb_context { int tdb_munmap(struct tdb_context *tdb); void tdb_mmap(struct tdb_context *tdb); int tdb_lock(struct tdb_context *tdb, int list, int ltype); +int tdb_lock_nonblock(struct tdb_context *tdb, int list, int ltype); int tdb_unlock(struct tdb_context *tdb, int list, int ltype); int tdb_brlock(struct tdb_context *tdb, tdb_off_t offset, int rw_type, int lck_type, int probe, size_t len); int tdb_transaction_lock(struct tdb_context *tdb, int ltype); diff --git a/source4/lib/tdb/common/transaction.c b/source4/lib/tdb/common/transaction.c index 0ecfb9b7ff..c3e7a4e2c0 100644 --- a/source4/lib/tdb/common/transaction.c +++ b/source4/lib/tdb/common/transaction.c @@ -219,9 +219,12 @@ static int transaction_write(struct tdb_context *tdb, tdb_off_t off, uint8_t **new_blocks; /* expand the blocks array */ if (tdb->transaction->blocks == NULL) { - new_blocks = malloc((blk+1)*sizeof(uint8_t *)); + new_blocks = (uint8_t **)malloc( + (blk+1)*sizeof(uint8_t *)); } else { - new_blocks = realloc(tdb->transaction->blocks, (blk+1)*sizeof(uint8_t *)); + new_blocks = (uint8_t **)realloc( + tdb->transaction->blocks, + (blk+1)*sizeof(uint8_t *)); } if (new_blocks == NULL) { tdb->ecode = TDB_ERR_OOM; @@ -316,25 +319,15 @@ static int transaction_write_existing(struct tdb_context *tdb, tdb_off_t off, return 0; } - /* overwrite part of an existing block */ - if (buf == NULL) { - memset(tdb->transaction->blocks[blk] + off, 0, len); - } else { - memcpy(tdb->transaction->blocks[blk] + off, buf, len); - } - if (blk == tdb->transaction->num_blocks-1) { - if (len + off > tdb->transaction->last_block_size) { - tdb->transaction->last_block_size = len + off; - } + if (blk == tdb->transaction->num_blocks-1 && + off + len > tdb->transaction->last_block_size) { + len = tdb->transaction->last_block_size - off; } - return 0; + /* overwrite part of an existing block */ + memcpy(tdb->transaction->blocks[blk] + off, buf, len); -fail: - TDB_LOG((tdb, TDB_DEBUG_FATAL, "transaction_write: failed at off=%d len=%d\n", - (blk*tdb->transaction->block_size) + off, len)); - tdb->transaction->transaction_error = 1; - return -1; + return 0; } diff --git a/source4/lib/tdb/common/traverse.c b/source4/lib/tdb/common/traverse.c index 2bde1270a0..07b0c23858 100644 --- a/source4/lib/tdb/common/traverse.c +++ b/source4/lib/tdb/common/traverse.c @@ -223,6 +223,9 @@ int tdb_traverse_read(struct tdb_context *tdb, /* a write style traverse - needs to get the transaction lock to prevent deadlocks + + WARNING: The data buffer given to the callback fn does NOT meet the + alignment restrictions malloc gives you. */ int tdb_traverse(struct tdb_context *tdb, tdb_traverse_func fn, void *private_data) diff --git a/source4/lib/tdb/docs/README b/source4/lib/tdb/docs/README index b31ce36ab1..63fcf5e049 100644 --- a/source4/lib/tdb/docs/README +++ b/source4/lib/tdb/docs/README @@ -130,6 +130,9 @@ int tdb_traverse(TDB_CONTEXT *tdb, int (*fn)(TDB_CONTEXT *tdb, a non-zero return value from fn() indicates that the traversal should stop. Traversal callbacks may not start transactions. + WARNING: The data buffer given to the callback fn does NOT meet the + alignment restrictions malloc gives you. + ---------------------------------------------------------------------- int tdb_traverse_read(TDB_CONTEXT *tdb, int (*fn)(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf, void *state), void *state); diff --git a/source4/lib/tdb/include/tdb.h b/source4/lib/tdb/include/tdb.h index 0058d55793..0008085de5 100644 --- a/source4/lib/tdb/include/tdb.h +++ b/source4/lib/tdb/include/tdb.h @@ -32,9 +32,9 @@ extern "C" { /* flags to tdb_store() */ -#define TDB_REPLACE 1 -#define TDB_INSERT 2 -#define TDB_MODIFY 3 +#define TDB_REPLACE 1 /* Unused */ +#define TDB_INSERT 2 /* Don't overwrite an existing entry */ +#define TDB_MODIFY 3 /* Don't create an existing entry */ /* flags for tdb_open() */ #define TDB_DEFAULT 0 /* just a readability place holder */ @@ -157,7 +157,6 @@ int tdb_printfreelist(struct tdb_context *tdb); int tdb_validate_freelist(struct tdb_context *tdb, int *pnum_entries); int tdb_wipe_all(struct tdb_context *tdb); int tdb_freelist_size(struct tdb_context *tdb); -int tdb_validate(struct tdb_context *tdb); extern TDB_DATA tdb_null; diff --git a/source4/lib/tdb/tools/tdbtool.c b/source4/lib/tdb/tools/tdbtool.c index 79435a3571..d104ccd7c4 100644 --- a/source4/lib/tdb/tools/tdbtool.c +++ b/source4/lib/tdb/tools/tdbtool.c @@ -135,7 +135,7 @@ static void print_data(const char *buf,int len) if (len<=0) return; printf("[%03X] ",i); for (i=0;i<len;) { - printf("%02X ",(int)buf[i]); + printf("%02X ",(int)((unsigned char)buf[i])); i++; if (i%8 == 0) printf(" "); if (i%16 == 0) { |