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-rw-r--r--libcli/auth/schannel_state.h6
-rw-r--r--libcli/auth/schannel_state_tdb.c143
2 files changed, 98 insertions, 51 deletions
diff --git a/libcli/auth/schannel_state.h b/libcli/auth/schannel_state.h
index c1fa1245cf5..8db0698a9d7 100644
--- a/libcli/auth/schannel_state.h
+++ b/libcli/auth/schannel_state.h
@@ -24,13 +24,19 @@
#define _LIBCLI_AUTH_SCHANNEL_STATE_H__
NTSTATUS schannel_get_creds_state(TALLOC_CTX *mem_ctx,
+ struct smb_iconv_convenience *ic,
+ const char *db_priv_dir,
const char *computer_name,
struct netlogon_creds_CredentialState **creds);
NTSTATUS schannel_save_creds_state(TALLOC_CTX *mem_ctx,
+ struct smb_iconv_convenience *ic,
+ const char *db_priv_dir,
struct netlogon_creds_CredentialState *creds);
NTSTATUS schannel_check_creds_state(TALLOC_CTX *mem_ctx,
+ struct smb_iconv_convenience *ic,
+ const char *db_priv_dir,
const char *computer_name,
struct netr_Authenticator *received_authenticator,
struct netr_Authenticator *return_authenticator,
diff --git a/libcli/auth/schannel_state_tdb.c b/libcli/auth/schannel_state_tdb.c
index 434d7d7f8cf..fd61b0a38a8 100644
--- a/libcli/auth/schannel_state_tdb.c
+++ b/libcli/auth/schannel_state_tdb.c
@@ -22,9 +22,15 @@
*/
#include "includes.h"
+#include "system/filesys.h"
+#include <tdb.h>
+#include "../lib/util/util_tdb.h"
#include "../libcli/auth/libcli_auth.h"
#include "../libcli/auth/schannel_state.h"
#include "../librpc/gen_ndr/ndr_schannel.h"
+#if _SAMBA_BUILD_ == 4
+#include "tdb_wrap.h"
+#endif
#define SECRETS_SCHANNEL_STATE "SECRETS/SCHANNEL"
@@ -36,18 +42,19 @@
#define SCHANNEL_STORE_VERSION_2 2 /* should not be used */
#define SCHANNEL_STORE_VERSION_CURRENT SCHANNEL_STORE_VERSION_1
-static TDB_CONTEXT *open_schannel_session_store(TALLOC_CTX *mem_ctx)
+static struct tdb_wrap *open_schannel_session_store(TALLOC_CTX *mem_ctx,
+ const char *private_dir)
{
TDB_DATA vers;
- uint32 ver;
- TDB_CONTEXT *tdb_sc = NULL;
- char *fname = talloc_asprintf(mem_ctx, "%s/schannel_store.tdb", lp_private_dir());
+ uint32_t ver;
+ struct tdb_wrap *tdb_sc = NULL;
+ char *fname = talloc_asprintf(mem_ctx, "%s/schannel_store.tdb", private_dir);
if (!fname) {
return NULL;
}
- tdb_sc = tdb_open_log(fname, 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
+ tdb_sc = tdb_wrap_open(mem_ctx, fname, 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
if (!tdb_sc) {
DEBUG(0,("open_schannel_session_store: Failed to open %s\n", fname));
@@ -56,31 +63,29 @@ static TDB_CONTEXT *open_schannel_session_store(TALLOC_CTX *mem_ctx)
}
again:
- vers = tdb_fetch_bystring(tdb_sc, "SCHANNEL_STORE_VERSION");
+ vers = tdb_fetch_bystring(tdb_sc->tdb, "SCHANNEL_STORE_VERSION");
if (vers.dptr == NULL) {
/* First opener, no version. */
SIVAL(&ver,0,SCHANNEL_STORE_VERSION_CURRENT);
- vers.dptr = (uint8 *)&ver;
+ vers.dptr = (uint8_t *)&ver;
vers.dsize = 4;
- tdb_store_bystring(tdb_sc, "SCHANNEL_STORE_VERSION", vers, TDB_REPLACE);
+ tdb_store_bystring(tdb_sc->tdb, "SCHANNEL_STORE_VERSION", vers, TDB_REPLACE);
vers.dptr = NULL;
} else if (vers.dsize == 4) {
ver = IVAL(vers.dptr,0);
if (ver == SCHANNEL_STORE_VERSION_2) {
DEBUG(0,("open_schannel_session_store: wrong version number %d in %s\n",
(int)ver, fname ));
- tdb_wipe_all(tdb_sc);
+ tdb_wipe_all(tdb_sc->tdb);
goto again;
}
if (ver != SCHANNEL_STORE_VERSION_CURRENT) {
DEBUG(0,("open_schannel_session_store: wrong version number %d in %s\n",
(int)ver, fname ));
- tdb_close(tdb_sc);
- tdb_sc = NULL;
+ TALLOC_FREE(tdb_sc);
}
} else {
- tdb_close(tdb_sc);
- tdb_sc = NULL;
+ TALLOC_FREE(tdb_sc);
DEBUG(0,("open_schannel_session_store: wrong version number size %d in %s\n",
(int)vers.dsize, fname ));
}
@@ -95,8 +100,9 @@ static TDB_CONTEXT *open_schannel_session_store(TALLOC_CTX *mem_ctx)
********************************************************************/
static
-NTSTATUS schannel_store_session_key_tdb(struct tdb_context *tdb,
+NTSTATUS schannel_store_session_key_tdb(struct tdb_wrap *tdb_sc,
TALLOC_CTX *mem_ctx,
+ struct smb_iconv_convenience *ic,
struct netlogon_creds_CredentialState *creds)
{
enum ndr_err_code ndr_err;
@@ -104,15 +110,21 @@ NTSTATUS schannel_store_session_key_tdb(struct tdb_context *tdb,
TDB_DATA value;
int ret;
char *keystr;
+ char *name_upper;
- keystr = talloc_asprintf_strupper_m(mem_ctx, "%s/%s",
- SECRETS_SCHANNEL_STATE,
- creds->computer_name);
+ name_upper = strupper_talloc(mem_ctx, creds->computer_name);
+ if (!name_upper) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ keystr = talloc_asprintf(mem_ctx, "%s/%s",
+ SECRETS_SCHANNEL_STATE, name_upper);
+ TALLOC_FREE(name_upper);
if (!keystr) {
return NT_STATUS_NO_MEMORY;
}
- ndr_err = ndr_push_struct_blob(&blob, mem_ctx, NULL, creds,
+ ndr_err = ndr_push_struct_blob(&blob, mem_ctx, ic, creds,
(ndr_push_flags_fn_t)ndr_push_netlogon_creds_CredentialState);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
talloc_free(keystr);
@@ -122,10 +134,10 @@ NTSTATUS schannel_store_session_key_tdb(struct tdb_context *tdb,
value.dptr = blob.data;
value.dsize = blob.length;
- ret = tdb_store_bystring(tdb, keystr, value, TDB_REPLACE);
+ ret = tdb_store_bystring(tdb_sc->tdb, keystr, value, TDB_REPLACE);
if (ret != TDB_SUCCESS) {
DEBUG(0,("Unable to add %s to session key db - %s\n",
- keystr, tdb_errorstr(tdb)));
+ keystr, tdb_errorstr(tdb_sc->tdb)));
talloc_free(keystr);
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
@@ -146,8 +158,9 @@ NTSTATUS schannel_store_session_key_tdb(struct tdb_context *tdb,
********************************************************************/
static
-NTSTATUS schannel_fetch_session_key_tdb(struct tdb_context *tdb,
+NTSTATUS schannel_fetch_session_key_tdb(struct tdb_wrap *tdb_sc,
TALLOC_CTX *mem_ctx,
+ struct smb_iconv_convenience *ic,
const char *computer_name,
struct netlogon_creds_CredentialState **pcreds)
{
@@ -157,18 +170,24 @@ NTSTATUS schannel_fetch_session_key_tdb(struct tdb_context *tdb,
DATA_BLOB blob;
struct netlogon_creds_CredentialState *creds = NULL;
char *keystr = NULL;
+ char *name_upper;
*pcreds = NULL;
- keystr = talloc_asprintf_strupper_m(mem_ctx, "%s/%s",
- SECRETS_SCHANNEL_STATE,
- computer_name);
+ name_upper = strupper_talloc(mem_ctx, computer_name);
+ if (!name_upper) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ keystr = talloc_asprintf(mem_ctx, "%s/%s",
+ SECRETS_SCHANNEL_STATE, name_upper);
+ TALLOC_FREE(name_upper);
if (!keystr) {
status = NT_STATUS_NO_MEMORY;
goto done;
}
- value = tdb_fetch_bystring(tdb, keystr);
+ value = tdb_fetch_bystring(tdb_sc->tdb, keystr);
if (!value.dptr) {
DEBUG(0,("schannel_fetch_session_key_tdb: Failed to find entry with key %s\n",
keystr ));
@@ -184,7 +203,7 @@ NTSTATUS schannel_fetch_session_key_tdb(struct tdb_context *tdb,
blob = data_blob_const(value.dptr, value.dsize);
- ndr_err = ndr_pull_struct_blob(&blob, creds, NULL, creds,
+ ndr_err = ndr_pull_struct_blob(&blob, creds, ic, creds,
(ndr_pull_flags_fn_t)ndr_pull_netlogon_creds_CredentialState);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
status = ndr_map_error2ntstatus(ndr_err);
@@ -220,22 +239,36 @@ NTSTATUS schannel_fetch_session_key_tdb(struct tdb_context *tdb,
*******************************************************************************/
NTSTATUS schannel_get_creds_state(TALLOC_CTX *mem_ctx,
+ struct smb_iconv_convenience *ic,
+ const char *db_priv_dir,
const char *computer_name,
- struct netlogon_creds_CredentialState **creds)
+ struct netlogon_creds_CredentialState **_creds)
{
- struct tdb_context *tdb;
+ TALLOC_CTX *tmpctx;
+ struct tdb_wrap *tdb_sc;
+ struct netlogon_creds_CredentialState *creds;
NTSTATUS status;
- tdb = open_schannel_session_store(mem_ctx);
- if (!tdb) {
- return NT_STATUS_ACCESS_DENIED;
+ tmpctx = talloc_named(mem_ctx, 0, "schannel_get_creds_state");
+ if (!tmpctx) {
+ return NT_STATUS_NO_MEMORY;
}
- status = schannel_fetch_session_key_tdb(tdb, mem_ctx,
- computer_name, creds);
+ tdb_sc = open_schannel_session_store(tmpctx, db_priv_dir);
+ if (!tdb_sc) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
- tdb_close(tdb);
+ status = schannel_fetch_session_key_tdb(tdb_sc, tmpctx, ic,
+ computer_name, &creds);
+ if (NT_STATUS_IS_OK(status)) {
+ *_creds = talloc_steal(mem_ctx, creds);
+ if (!*_creds) {
+ status = NT_STATUS_NO_MEMORY;
+ }
+ }
+ talloc_free(tmpctx);
return status;
}
@@ -245,20 +278,27 @@ NTSTATUS schannel_get_creds_state(TALLOC_CTX *mem_ctx,
*******************************************************************************/
NTSTATUS schannel_save_creds_state(TALLOC_CTX *mem_ctx,
+ struct smb_iconv_convenience *ic,
+ const char *db_priv_dir,
struct netlogon_creds_CredentialState *creds)
{
- struct tdb_context *tdb;
+ TALLOC_CTX *tmpctx;
+ struct tdb_wrap *tdb_sc;
NTSTATUS status;
- tdb = open_schannel_session_store(mem_ctx);
- if (!tdb) {
- return NT_STATUS_ACCESS_DENIED;
+ tmpctx = talloc_named(mem_ctx, 0, "schannel_save_creds_state");
+ if (!tmpctx) {
+ return NT_STATUS_NO_MEMORY;
}
- status = schannel_store_session_key_tdb(tdb, mem_ctx, creds);
+ tdb_sc = open_schannel_session_store(tmpctx, db_priv_dir);
+ if (!tdb_sc) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
- tdb_close(tdb);
+ status = schannel_store_session_key_tdb(tdb_sc, tmpctx, ic, creds);
+ talloc_free(tmpctx);
return status;
}
@@ -273,13 +313,15 @@ NTSTATUS schannel_save_creds_state(TALLOC_CTX *mem_ctx,
********************************************************************/
NTSTATUS schannel_check_creds_state(TALLOC_CTX *mem_ctx,
+ struct smb_iconv_convenience *ic,
+ const char *db_priv_dir,
const char *computer_name,
struct netr_Authenticator *received_authenticator,
struct netr_Authenticator *return_authenticator,
struct netlogon_creds_CredentialState **creds_out)
{
TALLOC_CTX *tmpctx;
- struct tdb_context *tdb;
+ struct tdb_wrap *tdb_sc;
struct netlogon_creds_CredentialState *creds;
NTSTATUS status;
int ret;
@@ -289,13 +331,13 @@ NTSTATUS schannel_check_creds_state(TALLOC_CTX *mem_ctx,
return NT_STATUS_NO_MEMORY;
}
- tdb = open_schannel_session_store(tmpctx);
- if (!tdb) {
+ tdb_sc = open_schannel_session_store(tmpctx, db_priv_dir);
+ if (!tdb_sc) {
status = NT_STATUS_ACCESS_DENIED;
goto done;
}
- ret = tdb_transaction_start(tdb);
+ ret = tdb_transaction_start(tdb_sc->tdb);
if (ret != 0) {
return NT_STATUS_INTERNAL_DB_CORRUPTION;
status = NT_STATUS_INTERNAL_DB_CORRUPTION;
@@ -306,10 +348,10 @@ NTSTATUS schannel_check_creds_state(TALLOC_CTX *mem_ctx,
* disconnects) we must update the database every time we
* update the structure */
- status = schannel_fetch_session_key_tdb(tdb, tmpctx,
+ status = schannel_fetch_session_key_tdb(tdb_sc, tmpctx, ic,
computer_name, &creds);
if (!NT_STATUS_IS_OK(status)) {
- tdb_transaction_cancel(tdb);
+ tdb_transaction_cancel(tdb_sc->tdb);
goto done;
}
@@ -317,17 +359,17 @@ NTSTATUS schannel_check_creds_state(TALLOC_CTX *mem_ctx,
received_authenticator,
return_authenticator);
if (!NT_STATUS_IS_OK(status)) {
- tdb_transaction_cancel(tdb);
+ tdb_transaction_cancel(tdb_sc->tdb);
goto done;
}
- status = schannel_store_session_key_tdb(tdb, tmpctx, creds);
+ status = schannel_store_session_key_tdb(tdb_sc, tmpctx, ic, creds);
if (!NT_STATUS_IS_OK(status)) {
- tdb_transaction_cancel(tdb);
+ tdb_transaction_cancel(tdb_sc->tdb);
goto done;
}
- tdb_transaction_commit(tdb);
+ tdb_transaction_commit(tdb_sc->tdb);
if (creds_out) {
*creds_out = talloc_steal(mem_ctx, creds);
@@ -341,7 +383,6 @@ NTSTATUS schannel_check_creds_state(TALLOC_CTX *mem_ctx,
done:
talloc_free(tmpctx);
- if (tdb) tdb_close(tdb);
return status;
}
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