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-rw-r--r--source4/lib/registry/hive.c18
-rw-r--r--source4/lib/registry/interface.c23
-rw-r--r--source4/lib/registry/local.c16
-rw-r--r--source4/lib/registry/regf.c64
-rw-r--r--source4/lib/registry/registry.h21
-rw-r--r--source4/lib/registry/tests/hive.c56
-rw-r--r--source4/lib/registry/tests/registry.c8
7 files changed, 164 insertions, 42 deletions
diff --git a/source4/lib/registry/hive.c b/source4/lib/registry/hive.c
index 2a9b1a59ce..3bb5b566c9 100644
--- a/source4/lib/registry/hive.c
+++ b/source4/lib/registry/hive.c
@@ -143,6 +143,24 @@ WERROR hive_get_value_by_index(TALLOC_CTX *mem_ctx,
return key->ops->enum_value(mem_ctx, key, idx, name, type, data);
}
+WERROR hive_get_sec_desc(TALLOC_CTX *mem_ctx,
+ struct hive_key *key,
+ struct security_descriptor **security)
+{
+ if (key->ops->get_sec_desc == NULL)
+ return WERR_NOT_SUPPORTED;
+
+ return key->ops->get_sec_desc(mem_ctx, key, security);
+}
+
+WERROR hive_set_sec_desc(struct hive_key *key,
+ const struct security_descriptor *security)
+{
+ if (key->ops->set_sec_desc == NULL)
+ return WERR_NOT_SUPPORTED;
+
+ return key->ops->set_sec_desc(key, security);
+}
WERROR hive_key_del_value(struct hive_key *key, const char *name)
{
diff --git a/source4/lib/registry/interface.c b/source4/lib/registry/interface.c
index a18fd2c28c..06b002859d 100644
--- a/source4/lib/registry/interface.c
+++ b/source4/lib/registry/interface.c
@@ -249,10 +249,10 @@ _PUBLIC_ WERROR reg_get_sec_desc(TALLOC_CTX *ctx,
return WERR_INVALID_PARAM;
/* A 'real' set function has preference */
- if (key->context->ops->get_security == NULL)
+ if (key->context->ops->get_sec_desc == NULL)
return WERR_NOT_SUPPORTED;
- return key->context->ops->get_security(ctx, key, secdesc);
+ return key->context->ops->get_sec_desc(ctx, key, secdesc);
}
/**
@@ -283,27 +283,14 @@ _PUBLIC_ WERROR reg_key_flush(struct registry_key *key)
return key->context->ops->flush_key(key);
}
-_PUBLIC_ WERROR reg_get_security(TALLOC_CTX *mem_ctx,
- const struct registry_key *key,
- struct security_descriptor **security)
-{
- if (key == NULL)
- return WERR_INVALID_PARAM;
-
- if (key->context->ops->get_security == NULL)
- return WERR_NOT_SUPPORTED;
-
- return key->context->ops->get_security(mem_ctx, key, security);
-}
-
-_PUBLIC_ WERROR reg_set_security(struct registry_key *key,
+_PUBLIC_ WERROR reg_set_sec_desc(struct registry_key *key,
struct security_descriptor *security)
{
if (key == NULL)
return WERR_INVALID_PARAM;
- if (key->context->ops->set_security == NULL)
+ if (key->context->ops->set_sec_desc == NULL)
return WERR_NOT_SUPPORTED;
- return key->context->ops->set_security(key, security);
+ return key->context->ops->set_sec_desc(key, security);
}
diff --git a/source4/lib/registry/local.c b/source4/lib/registry/local.c
index 5bf2d86588..da381cfbff 100644
--- a/source4/lib/registry/local.c
+++ b/source4/lib/registry/local.c
@@ -278,7 +278,21 @@ static WERROR local_get_key_info(TALLOC_CTX *mem_ctx,
last_change_time, max_subkeynamelen,
max_valnamelen, max_valbufsize);
}
+static WERROR local_get_sec_desc(TALLOC_CTX *mem_ctx,
+ const struct registry_key *key,
+ struct security_descriptor **security)
+{
+ const struct local_key *local = (const struct local_key *)key;
+ return hive_get_sec_desc(mem_ctx, local->hive_key, security);
+}
+static WERROR local_set_sec_desc(struct registry_key *key,
+ const struct security_descriptor *security)
+{
+ const struct local_key *local = (const struct local_key *)key;
+
+ return hive_set_sec_desc(local->hive_key, security);
+}
const static struct registry_operations local_ops = {
.name = "local",
.open_key = local_open_key,
@@ -292,6 +306,8 @@ const static struct registry_operations local_ops = {
.delete_value = local_delete_value,
.flush_key = local_flush_key,
.get_key_info = local_get_key_info,
+ .get_sec_desc = local_get_sec_desc,
+ .set_sec_desc = local_set_sec_desc,
};
WERROR reg_open_local(TALLOC_CTX *mem_ctx, struct registry_context **ctx,
diff --git a/source4/lib/registry/regf.c b/source4/lib/registry/regf.c
index 46ccca922b..57a895aa00 100644
--- a/source4/lib/registry/regf.c
+++ b/source4/lib/registry/regf.c
@@ -25,6 +25,8 @@
#include "librpc/gen_ndr/winreg.h"
#include "param/param.h"
#include "lib/registry/registry.h"
+#include "libcli/security/security.h"
+
static struct hive_operations reg_backend_regf;
@@ -1915,9 +1917,12 @@ WERROR reg_create_regf_file(TALLOC_CTX *parent_ctx,
{
struct regf_data *regf;
struct regf_hdr *regf_hdr;
- int i;
struct nk_block nk;
+ struct sk_block sk;
WERROR error;
+ DATA_BLOB data;
+ struct security_descriptor *sd;
+ uint32_t sk_offset;
regf = (struct regf_data *)talloc_zero(NULL, struct regf_data);
@@ -1945,20 +1950,17 @@ WERROR reg_create_regf_file(TALLOC_CTX *parent_ctx,
regf_hdr->version.minor = minor_version;
regf_hdr->last_block = 0x1000; /* Block size */
regf_hdr->description = talloc_strdup(regf_hdr,
- "registry created by Samba 4");
+ "Registry created by Samba 4");
W_ERROR_HAVE_NO_MEMORY(regf_hdr->description);
regf_hdr->chksum = 0;
regf->header = regf_hdr;
- i = 0;
/* Create all hbin blocks */
regf->hbins = talloc_array(regf, struct hbin_block *, 1);
W_ERROR_HAVE_NO_MEMORY(regf->hbins);
regf->hbins[0] = NULL;
- regf_hdr->data_offset = -1; /* FIXME */
-
nk.header = "nk";
nk.type = REG_SUB_KEY;
unix_to_nt_time(&nk.last_change, time(NULL));
@@ -1971,27 +1973,67 @@ WERROR reg_create_regf_file(TALLOC_CTX *parent_ctx,
nk.num_values = 0;
nk.values_offset = -1;
memset(nk.unk3, 0, 5);
- nk.clsname_offset = -1; /* FIXME: fill in */
+ nk.clsname_offset = -1;
nk.clsname_length = 0;
- nk.key_name = "";
+ nk.sk_offset = 0x80;
+ nk.key_name = "SambaRootKey";
+
+ /*
+ * It should be noted that changing the key_name to something shorter
+ * creates a shorter nk block, which makes the position of the sk block
+ * change. All Windows registries I've seen have the sk at 0x80.
+ * I therefore recommend that our regf files share that offset -- Wilco
+ */
+
+ /* Create a security descriptor. */
+ sd = security_descriptor_dacl_create(regf,
+ 0,
+ NULL, NULL,
+ SID_NT_AUTHENTICATED_USERS,
+ SEC_ACE_TYPE_ACCESS_ALLOWED,
+ SEC_GENERIC_ALL,
+ SEC_ACE_FLAG_OBJECT_INHERIT,
+ NULL);
+
+ /* Push the security descriptor to a blob */
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_push_struct_blob(&data, regf, NULL,
+ sd, (ndr_push_flags_fn_t)ndr_push_security_descriptor))) {
+ DEBUG(0, ("Unable to push security descriptor\n"));
+ return WERR_GENERAL_FAILURE;
+ }
- nk.sk_offset = -1; /* FIXME: fill in */
+ ZERO_STRUCT(sk);
+ sk.header = "sk";
+ sk.prev_offset = 0x80;
+ sk.next_offset = 0x80;
+ sk.ref_cnt = 1;
+ sk.rec_size = data.length;
+ sk.sec_desc = data.data;
/* Store the new nk key */
regf->header->data_offset = hbin_store_tdr(regf,
(tdr_push_fn_t)tdr_push_nk_block,
&nk);
+ /* Store the sk block */
+ sk_offset = hbin_store_tdr(regf,
+ (tdr_push_fn_t) tdr_push_sk_block,
+ &sk);
+ if (sk_offset != 0x80) {
+ DEBUG(0, ("Error storing sk block, should be at 0x80, stored at 0x%x\n", nk.sk_offset));
+ return WERR_GENERAL_FAILURE;
+ }
+
*key = (struct hive_key *)regf_get_key(parent_ctx, regf,
regf->header->data_offset);
- /* We can drop our own reference now that *key will have created one */
- talloc_free(regf);
-
error = regf_save_hbin(regf);
if (!W_ERROR_IS_OK(error)) {
return error;
}
+
+ /* We can drop our own reference now that *key will have created one */
+ talloc_free(regf);
return WERR_OK;
}
diff --git a/source4/lib/registry/registry.h b/source4/lib/registry/registry.h
index a86294bf46..1348d1121f 100644
--- a/source4/lib/registry/registry.h
+++ b/source4/lib/registry/registry.h
@@ -184,6 +184,12 @@ WERROR hive_get_value_by_index(TALLOC_CTX *mem_ctx,
struct hive_key *key, uint32_t idx,
const char **name,
uint32_t *type, DATA_BLOB *data);
+WERROR hive_get_sec_desc(TALLOC_CTX *mem_ctx,
+ struct hive_key *key,
+ struct security_descriptor **security);
+
+WERROR hive_set_sec_desc(struct hive_key *key,
+ const struct security_descriptor *security);
WERROR hive_key_del_value(struct hive_key *key, const char *name);
@@ -311,11 +317,11 @@ struct registry_operations {
uint32_t *type,
DATA_BLOB *data);
- WERROR (*get_security) (TALLOC_CTX *mem_ctx,
+ WERROR (*get_sec_desc) (TALLOC_CTX *mem_ctx,
const struct registry_key *key,
struct security_descriptor **security);
- WERROR (*set_security) (struct registry_key *key,
+ WERROR (*set_sec_desc) (struct registry_key *key,
const struct security_descriptor *security);
WERROR (*load_key) (struct registry_key *key,
@@ -461,12 +467,8 @@ struct registry_key *reg_import_hive_key(struct registry_context *ctx,
struct hive_key *hive,
uint32_t predef_key,
const char **elements);
-WERROR reg_get_security(TALLOC_CTX *mem_ctx,
- const struct registry_key *key,
- struct security_descriptor **security);
-
-WERROR reg_set_security(struct registry_key *key,
- struct security_descriptor *security);
+WERROR reg_set_sec_desc(struct registry_key *key,
+ const struct security_descriptor *security);
struct reg_diff_callbacks {
WERROR (*add_key) (void *callback_data, const char *key_name);
@@ -490,6 +492,9 @@ WERROR reg_dotreg_diff_save(TALLOC_CTX *ctx, const char *filename,
struct smb_iconv_convenience *iconv_convenience,
struct reg_diff_callbacks **callbacks,
void **callback_data);
+WERROR reg_preg_diff_save(TALLOC_CTX *ctx, const char *filename,
+ struct reg_diff_callbacks **callbacks,
+ void **callback_data);
WERROR reg_generate_diff_key(struct registry_key *oldkey,
struct registry_key *newkey,
const char *path,
diff --git a/source4/lib/registry/tests/hive.c b/source4/lib/registry/tests/hive.c
index a16736c761..4fe7f66c03 100644
--- a/source4/lib/registry/tests/hive.c
+++ b/source4/lib/registry/tests/hive.c
@@ -26,6 +26,7 @@
#include "librpc/gen_ndr/winreg.h"
#include "system/filesys.h"
#include "param/param.h"
+#include "libcli/security/security.h"
static bool test_del_nonexistant_key(struct torture_context *tctx,
const void *test_data)
@@ -297,6 +298,57 @@ static bool test_list_values(struct torture_context *tctx,
return true;
}
+static bool test_hive_security(struct torture_context *tctx, const void *_data)
+{
+ struct hive_key *subkey = NULL;
+ const struct hive_key *root = _data;
+ WERROR error;
+ struct security_descriptor *osd, *nsd;
+
+ osd = security_descriptor_dacl_create(tctx,
+ 0,
+ NULL, NULL,
+ SID_NT_AUTHENTICATED_USERS,
+ SEC_ACE_TYPE_ACCESS_ALLOWED,
+ SEC_GENERIC_ALL,
+ SEC_ACE_FLAG_OBJECT_INHERIT,
+ NULL);
+
+
+ error = hive_key_add_name(tctx, root, "SecurityKey", NULL,
+ osd, &subkey);
+ torture_assert_werr_ok(tctx, error, "hive_key_add_name");
+
+ error = hive_get_sec_desc(tctx, subkey, &nsd);
+ torture_assert_werr_ok (tctx, error, "getting security descriptor");
+
+ torture_assert(tctx, security_descriptor_equal(osd, nsd),
+ "security descriptor changed!");
+
+ /* Create a fresh security descriptor */
+ talloc_free(osd);
+ osd = security_descriptor_dacl_create(tctx,
+ 0,
+ NULL, NULL,
+ SID_NT_AUTHENTICATED_USERS,
+ SEC_ACE_TYPE_ACCESS_ALLOWED,
+ SEC_GENERIC_ALL,
+ SEC_ACE_FLAG_OBJECT_INHERIT,
+ NULL);
+
+ error = hive_set_sec_desc(subkey, osd);
+ torture_assert_werr_ok(tctx, error, "setting security descriptor");
+
+ printf("The second one is done.\n");
+ error = hive_get_sec_desc(tctx, subkey, &nsd);
+ torture_assert_werr_ok (tctx, error, "getting security descriptor");
+
+ torture_assert(tctx, security_descriptor_equal(osd, nsd),
+ "security descriptor changed!");
+
+ return true;
+}
+
static void tcase_add_tests(struct torture_tcase *tcase)
{
torture_tcase_add_simple_test_const(tcase, "del_nonexistant_key",
@@ -324,6 +376,8 @@ static void tcase_add_tests(struct torture_tcase *tcase)
test_del_key);
torture_tcase_add_simple_test_const(tcase, "del_value",
test_del_value);
+ torture_tcase_add_simple_test_const(tcase, "check hive security",
+ test_hive_security);
}
static bool hive_setup_dir(struct torture_context *tctx, void **data)
@@ -381,7 +435,7 @@ static bool hive_setup_regf(struct torture_context *tctx, void **data)
char *dirname;
NTSTATUS status;
- status = torture_temp_dir(tctx, "hive-dir", &dirname);
+ status = torture_temp_dir(tctx, "hive-regf", &dirname);
if (!NT_STATUS_IS_OK(status))
return false;
diff --git a/source4/lib/registry/tests/registry.c b/source4/lib/registry/tests/registry.c
index b19a6abffb..97c1190a68 100644
--- a/source4/lib/registry/tests/registry.c
+++ b/source4/lib/registry/tests/registry.c
@@ -387,11 +387,11 @@ static bool test_security(struct torture_context *tctx, void *_data)
SEC_ACE_FLAG_OBJECT_INHERIT,
NULL);
- error = reg_set_security(subkey, osd);
- torture_assert_werr_ok(tctx, error, "setting security");
+ error = reg_set_sec_desc(subkey, osd);
+ torture_assert_werr_ok(tctx, error, "setting security descriptor");
- error = reg_get_security(tctx, subkey, &nsd);
- torture_assert_werr_ok (tctx, error, "setting security");
+ error = reg_get_sec_desc(tctx, subkey, &nsd);
+ torture_assert_werr_ok (tctx, error, "getting security descriptor");
torture_assert(tctx, security_descriptor_equal(osd, nsd),
"security descriptor changed!");
generated by cgit (git 2.34.1) at 2024-11-06 10:12:44 +0000