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-rw-r--r--source4/lib/registry/rpc.c268
1 files changed, 165 insertions, 103 deletions
diff --git a/source4/lib/registry/rpc.c b/source4/lib/registry/rpc.c
index 18b7607713..3a16ae1db5 100644
--- a/source4/lib/registry/rpc.c
+++ b/source4/lib/registry/rpc.c
@@ -2,6 +2,7 @@
Samba Unix/Linux SMB implementation
RPC backend for the registry library
Copyright (C) 2003-2007 Jelmer Vernooij, jelmer@samba.org
+ Copyright (C) 2008 Matthias Dieter Wallnöfer, mwallnoefer@yahoo.de
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -20,16 +21,23 @@
#include "registry.h"
#include "librpc/gen_ndr/ndr_winreg_c.h"
+#define MAX_NAMESIZE 512
+#define MAX_VALSIZE 32768
+
struct rpc_key {
struct registry_key key;
struct policy_handle pol;
struct dcerpc_pipe *pipe;
- uint32_t num_values;
+ const char* classname;
uint32_t num_subkeys;
+ uint32_t max_subkeylen;
+ uint32_t max_classlen;
+ uint32_t num_values;
uint32_t max_valnamelen;
- uint32_t max_valdatalen;
- uint32_t max_subkeynamelen;
+ uint32_t max_valbufsize;
+ uint32_t secdescsize;
+ NTTIME last_changed_time;
};
struct rpc_registry_context {
@@ -43,26 +51,22 @@ static struct registry_operations reg_backend_rpc;
* This is the RPC backend for the registry library.
*/
-static void init_winreg_String(struct winreg_String *name, const char *s)
-{
- name->name = s;
-}
-
-
#define openhive(u) static WERROR open_ ## u(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx, struct policy_handle *hnd) \
{ \
struct winreg_Open ## u r; \
NTSTATUS status; \
- \
+\
+ ZERO_STRUCT(r); \
r.in.system_name = NULL; \
r.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED; \
r.out.handle = hnd;\
- \
+\
status = dcerpc_winreg_Open ## u(p, mem_ctx, &r); \
- if (NT_STATUS_IS_ERR(status)) {\
- DEBUG(0,("Error executing open\n"));\
- return ntstatus_to_werror(status);\
- }\
+\
+ if (!NT_STATUS_IS_OK(status)) { \
+ DEBUG(1, ("OpenHive failed - %s\n", nt_errstr(status))); \
+ return ntstatus_to_werror(status); \
+ } \
\
return r.out.result;\
}
@@ -90,7 +94,7 @@ static struct {
{ 0, NULL }
};
-static WERROR rpc_query_key(const struct registry_key *k);
+static WERROR rpc_query_key(TALLOC_CTX *mem_ctx, const struct registry_key *k);
static WERROR rpc_get_predefined_key(struct registry_context *ctx,
uint32_t hkey_type,
@@ -127,15 +131,15 @@ static WERROR rpc_key_put_rpc_data(TALLOC_CTX *mem_ctx, struct registry_key *k)
struct winreg_OpenKey r;
struct rpc_key_data *mykeydata;
- k->backend_data = mykeydata = talloc(mem_ctx, struct rpc_key_data);
+ k->backend_data = mykeydata = talloc_zero(mem_ctx, struct rpc_key_data);
mykeydata->num_values = -1;
mykeydata->num_subkeys = -1;
/* Then, open the handle using the hive */
- memset(&r, 0, sizeof(struct winreg_OpenKey));
+ ZERO_STRUCT(r);
r.in.handle = &(((struct rpc_key_data *)k->hive->root->backend_data)->pol);
- init_winreg_String(&r.in.keyname, k->path);
+ r.in.keyname.name = k->path;
r.in.unknown = 0x00000000;
r.in.access_mask = 0x02000000;
r.out.handle = &mykeydata->pol;
@@ -155,8 +159,7 @@ static WERROR rpc_open_key(TALLOC_CTX *mem_ctx, struct registry_key *h,
struct winreg_OpenKey r;
NTSTATUS status;
- mykeydata = talloc(mem_ctx, struct rpc_key);
-
+ mykeydata = talloc_zero(mem_ctx, struct rpc_key);
mykeydata->key.context = parentkeydata->key.context;
mykeydata->pipe = talloc_reference(mykeydata, parentkeydata->pipe);
mykeydata->num_values = -1;
@@ -166,14 +169,15 @@ static WERROR rpc_open_key(TALLOC_CTX *mem_ctx, struct registry_key *h,
/* Then, open the handle using the hive */
ZERO_STRUCT(r);
r.in.parent_handle = &parentkeydata->pol;
- init_winreg_String(&r.in.keyname, name);
+ r.in.keyname.name = name;
r.in.unknown = 0x00000000;
r.in.access_mask = 0x02000000;
r.out.handle = &mykeydata->pol;
status = dcerpc_winreg_OpenKey(mykeydata->pipe, mem_ctx, &r);
- if (NT_STATUS_IS_ERR(status)) {
- DEBUG(0,("Error executing openkey: %s\n", nt_errstr(status)));
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("OpenKey failed - %s\n", nt_errstr(status)));
return ntstatus_to_werror(status);
}
@@ -188,47 +192,94 @@ static WERROR rpc_get_value_by_index(TALLOC_CTX *mem_ctx,
DATA_BLOB *data)
{
struct rpc_key *mykeydata = talloc_get_type(parent, struct rpc_key);
- WERROR error;
struct winreg_EnumValue r;
- uint32_t in_type = 0;
- NTSTATUS status;
struct winreg_StringBuf name;
+ uint8_t value;
+ uint32_t val_size = MAX_VALSIZE;
uint32_t zero = 0;
-
- ZERO_STRUCT(r);
+ WERROR error;
+ NTSTATUS status;
if (mykeydata->num_values == -1) {
- error = rpc_query_key(parent);
+ error = rpc_query_key(mem_ctx, parent);
if(!W_ERROR_IS_OK(error)) return error;
}
- name.length = 0;
- name.size = mykeydata->max_valnamelen * 2;
- name.name = NULL;
+ name.name = "";
+ name.size = MAX_NAMESIZE;
+ ZERO_STRUCT(r);
r.in.handle = &mykeydata->pol;
r.in.enum_index = n;
r.in.name = &name;
- r.in.type = &in_type;
- r.in.value = talloc_zero_array(mem_ctx, uint8_t, 0);
+ r.in.type = type;
+ r.in.value = &value;
+ r.in.size = &val_size;
r.in.length = &zero;
- r.in.size = &mykeydata->max_valdatalen;
r.out.name = &name;
r.out.type = type;
+ r.out.value = &value;
+ r.out.size = &val_size;
+ r.out.length = &zero;
status = dcerpc_winreg_EnumValue(mykeydata->pipe, mem_ctx, &r);
- if(NT_STATUS_IS_ERR(status)) {
- DEBUG(0, ("Error in EnumValue: %s\n", nt_errstr(status)));
- return WERR_GENERAL_FAILURE;
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("EnumValue failed - %s\n", nt_errstr(status)));
+ return ntstatus_to_werror(status);
}
- if(NT_STATUS_IS_OK(status) &&
- W_ERROR_IS_OK(r.out.result) && r.out.length) {
- *value_name = talloc_strdup(mem_ctx, r.out.name->name);
- *data = data_blob_talloc(mem_ctx, r.out.value, *r.out.length);
- return WERR_OK;
+ *value_name = talloc_reference(mem_ctx, r.out.name->name);
+ *type = *(r.out.type);
+ *data = data_blob_talloc(mem_ctx, r.out.value, *r.out.length);
+
+ return r.out.result;
+}
+
+static WERROR rpc_get_value_by_name(TALLOC_CTX *mem_ctx,
+ const struct registry_key *parent,
+ const char *value_name,
+ uint32_t *type,
+ DATA_BLOB *data)
+{
+ struct rpc_key *mykeydata = talloc_get_type(parent, struct rpc_key);
+ struct winreg_QueryValue r;
+ struct winreg_String name;
+ uint8_t value;
+ uint32_t val_size = MAX_VALSIZE;
+ uint32_t zero = 0;
+ WERROR error;
+ NTSTATUS status;
+
+ if (mykeydata->num_values == -1) {
+ error = rpc_query_key(mem_ctx, parent);
+ if(!W_ERROR_IS_OK(error)) return error;
}
+ name.name = value_name;
+
+ ZERO_STRUCT(r);
+ r.in.handle = &mykeydata->pol;
+ r.in.value_name = &name;
+ r.in.type = type;
+ r.in.data = &value;
+ r.in.data_size = &val_size;
+ r.in.data_length = &zero;
+ r.out.type = type;
+ r.out.data = &value;
+ r.out.data_size = &val_size;
+ r.out.data_length = &zero;
+
+ status = dcerpc_winreg_QueryValue(mykeydata->pipe, mem_ctx, &r);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("QueryValue failed - %s\n", nt_errstr(status)));
+ return ntstatus_to_werror(status);
+ }
+
+ *type = *(r.out.type);
+ *data = data_blob_talloc(mem_ctx, r.out.data, *r.out.data_length);
+
return r.out.result;
}
@@ -241,34 +292,39 @@ static WERROR rpc_get_subkey_by_index(TALLOC_CTX *mem_ctx,
{
struct winreg_EnumKey r;
struct rpc_key *mykeydata = talloc_get_type(parent, struct rpc_key);
- NTSTATUS status;
struct winreg_StringBuf namebuf, classbuf;
NTTIME change_time = 0;
+ NTSTATUS status;
- ZERO_STRUCT(r);
-
- namebuf.length = 0;
- namebuf.size = 1024;
- namebuf.name = NULL;
- classbuf.length = 0;
- classbuf.size = 0;
- classbuf.name = NULL;
+ namebuf.name = "";
+ namebuf.size = MAX_NAMESIZE;
+ classbuf.name = NULL;
+ classbuf.size = 0;
+ ZERO_STRUCT(r);
r.in.handle = &mykeydata->pol;
r.in.enum_index = n;
r.in.name = &namebuf;
r.in.keyclass = &classbuf;
r.in.last_changed_time = &change_time;
-
r.out.name = &namebuf;
+ r.out.keyclass = &classbuf;
+ r.out.last_changed_time = &change_time;
status = dcerpc_winreg_EnumKey(mykeydata->pipe, mem_ctx, &r);
- if (NT_STATUS_IS_OK(status) && W_ERROR_IS_OK(r.out.result)) {
- *name = talloc_strdup(mem_ctx, r.out.name->name);
- if (keyclass != NULL)
- *keyclass = talloc_strdup(mem_ctx, r.out.keyclass->name);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("EnumKey failed - %s\n", nt_errstr(status)));
+ return ntstatus_to_werror(status);
}
+ if (name != NULL)
+ *name = talloc_reference(mem_ctx, r.out.name->name);
+ if (keyclass != NULL)
+ *keyclass = talloc_reference(mem_ctx, r.out.keyclass->name);
+ if (last_changed_time != NULL)
+ *last_changed_time = *(r.out.last_changed_time);
+
return r.out.result;
}
@@ -278,19 +334,22 @@ static WERROR rpc_add_key(TALLOC_CTX *mem_ctx,
struct security_descriptor *sec,
struct registry_key **key)
{
- NTSTATUS status;
struct winreg_CreateKey r;
struct rpc_key *parentkd = talloc_get_type(parent, struct rpc_key);
struct rpc_key *rpck = talloc(mem_ctx, struct rpc_key);
+
+ NTSTATUS status;
- init_winreg_String(&r.in.name, name);
- init_winreg_String(&r.in.keyclass, NULL);
-
+ ZERO_STRUCT(r);
r.in.handle = &parentkd->pol;
- r.out.new_handle = &rpck->pol;
+ r.in.name.name = name;
+ r.in.keyclass.name = NULL;
r.in.options = 0;
- r.in.access_mask = SEC_STD_ALL;
+ r.in.access_mask = 0x02000000;
r.in.secdesc = NULL;
+ r.in.action_taken = NULL;
+ r.out.new_handle = &rpck->pol;
+ r.out.action_taken = NULL;
status = dcerpc_winreg_CreateKey(parentkd->pipe, mem_ctx, &r);
@@ -300,49 +359,42 @@ static WERROR rpc_add_key(TALLOC_CTX *mem_ctx,
return ntstatus_to_werror(status);
}
- if (W_ERROR_IS_OK(r.out.result)) {
- rpck->pipe = talloc_reference(rpck, parentkd->pipe);
- *key = (struct registry_key *)rpck;
- }
+ rpck->pipe = talloc_reference(rpck, parentkd->pipe);
+ *key = (struct registry_key *)rpck;
return r.out.result;
}
-static WERROR rpc_query_key(const struct registry_key *k)
+static WERROR rpc_query_key(TALLOC_CTX *mem_ctx, const struct registry_key *k)
{
- NTSTATUS status;
struct winreg_QueryInfoKey r;
struct rpc_key *mykeydata = talloc_get_type(k, struct rpc_key);
- TALLOC_CTX *mem_ctx = talloc_init("query_key");
- uint32_t max_subkeysize;
- uint32_t secdescsize;
- NTTIME last_changed_time;
+ struct winreg_String classname;
+ NTSTATUS status;
- ZERO_STRUCT(r.out);
+ classname.name = NULL;
+ ZERO_STRUCT(r);
+ r.in.handle = &mykeydata->pol;
+ r.in.classname = &classname;
+ r.out.classname = &classname;
r.out.num_subkeys = &mykeydata->num_subkeys;
- r.out.max_subkeylen = &mykeydata->max_subkeynamelen;
- r.out.max_valnamelen = &mykeydata->max_valnamelen;
- r.out.max_valbufsize = &mykeydata->max_valdatalen;
- r.out.max_subkeysize = &max_subkeysize;
+ r.out.max_subkeylen = &mykeydata->max_subkeylen;
+ r.out.max_classlen = &mykeydata->max_classlen;
r.out.num_values = &mykeydata->num_values;
- r.out.secdescsize = &secdescsize;
- r.out.last_changed_time = &last_changed_time;
-
- r.out.classname = r.in.classname = talloc_zero(mem_ctx, struct winreg_String);
- init_winreg_String(r.in.classname, NULL);
- r.in.handle = &mykeydata->pol;
+ r.out.max_valnamelen = &mykeydata->max_valnamelen;
+ r.out.max_valbufsize = &mykeydata->max_valbufsize;
+ r.out.secdescsize = &mykeydata->secdescsize;
+ r.out.last_changed_time = &mykeydata->last_changed_time;
status = dcerpc_winreg_QueryInfoKey(mykeydata->pipe, mem_ctx, &r);
- talloc_free(mem_ctx);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("QueryInfoKey failed - %s\n", nt_errstr(status)));
return ntstatus_to_werror(status);
}
- if (W_ERROR_IS_OK(r.out.result)) {
- }
+ mykeydata->classname = talloc_reference(mem_ctx, r.out.classname->name);
return r.out.result;
}
@@ -354,22 +406,28 @@ static WERROR rpc_del_key(struct registry_key *parent, const char *name)
struct winreg_DeleteKey r;
TALLOC_CTX *mem_ctx = talloc_init("del_key");
+ ZERO_STRUCT(r);
r.in.handle = &mykeydata->pol;
- init_winreg_String(&r.in.key, name);
+ r.in.key.name = name;
status = dcerpc_winreg_DeleteKey(mykeydata->pipe, mem_ctx, &r);
talloc_free(mem_ctx);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("DeleteKey failed - %s\n", nt_errstr(status)));
+ return ntstatus_to_werror(status);
+ }
+
return r.out.result;
}
static WERROR rpc_get_info(TALLOC_CTX *mem_ctx, const struct registry_key *key,
const char **classname,
- uint32_t *numsubkeys,
- uint32_t *numvalue,
+ uint32_t *num_subkeys,
+ uint32_t *num_values,
NTTIME *last_changed_time,
- uint32_t *max_subkeynamelen,
+ uint32_t *max_subkeylen,
uint32_t *max_valnamelen,
uint32_t *max_valbufsize)
{
@@ -377,27 +435,30 @@ static WERROR rpc_get_info(TALLOC_CTX *mem_ctx, const struct registry_key *key,
WERROR error;
if (mykeydata->num_values == -1) {
- error = rpc_query_key(key);
+ error = rpc_query_key(mem_ctx, key);
if(!W_ERROR_IS_OK(error)) return error;
}
- /* FIXME: *classname = talloc_strdup(mem_ctx, mykeydata->classname); */
- /* FIXME: *last_changed_time = mykeydata->last_changed_time */
+ if (classname != NULL)
+ *classname = mykeydata->classname;
+
+ if (num_subkeys != NULL)
+ *num_subkeys = mykeydata->num_subkeys;
- if (numvalue != NULL)
- *numvalue = mykeydata->num_values;
+ if (num_values != NULL)
+ *num_values = mykeydata->num_values;
- if (numsubkeys != NULL)
- *numsubkeys = mykeydata->num_subkeys;
+ if (last_changed_time != NULL)
+ *last_changed_time = mykeydata->last_changed_time;
+
+ if (max_subkeylen != NULL)
+ *max_subkeylen = mykeydata->max_subkeylen;
if (max_valnamelen != NULL)
*max_valnamelen = mykeydata->max_valnamelen;
if (max_valbufsize != NULL)
- *max_valbufsize = mykeydata->max_valdatalen;
-
- if (max_subkeynamelen != NULL)
- *max_subkeynamelen = mykeydata->max_subkeynamelen;
+ *max_valbufsize = mykeydata->max_valbufsize;
return WERR_OK;
}
@@ -408,6 +469,7 @@ static struct registry_operations reg_backend_rpc = {
.get_predefined_key = rpc_get_predefined_key,
.enum_key = rpc_get_subkey_by_index,
.enum_value = rpc_get_value_by_index,
+ .get_value = rpc_get_value_by_name,
.create_key = rpc_add_key,
.delete_key = rpc_del_key,
.get_key_info = rpc_get_info,
generated by cgit (git 2.34.1) at 2024-12-26 08:46:20 +0000