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-rw-r--r--source4/libnet/config.mk1
-rw-r--r--source4/libnet/libnet_samdump_keytab.c144
-rw-r--r--source4/libnet/libnet_vampire.h6
3 files changed, 151 insertions, 0 deletions
diff --git a/source4/libnet/config.mk b/source4/libnet/config.mk
index e998675fcb..fe68a8ef59 100644
--- a/source4/libnet/config.mk
+++ b/source4/libnet/config.mk
@@ -17,6 +17,7 @@ ADD_OBJ_FILES = \
libnet_join.o \
libnet_vampire.o \
libnet_samdump.o \
+ libnet_samdump_keytab.o \
libnet_samsync_ldb.o \
libnet_user.o \
libnet_share.o \
diff --git a/source4/libnet/libnet_samdump_keytab.c b/source4/libnet/libnet_samdump_keytab.c
new file mode 100644
index 0000000000..deaa282801
--- /dev/null
+++ b/source4/libnet/libnet_samdump_keytab.c
@@ -0,0 +1,144 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Extract kerberos keys from a remote SamSync server
+
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
+
+ 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+
+#include "includes.h"
+#include "libnet/libnet.h"
+#include "librpc/gen_ndr/ndr_netlogon.h"
+#include "librpc/gen_ndr/ndr_samr.h"
+#include "system/kerberos.h"
+#include "auth/kerberos/kerberos.h"
+
+static NTSTATUS samdump_keytab_handle_user(TALLOC_CTX *mem_ctx,
+ const char *keytab_name,
+ struct creds_CredentialState *creds,
+ struct netr_DELTA_ENUM *delta)
+{
+ struct netr_DELTA_USER *user = delta->delta_union.user;
+ const char *username = user->account_name.string;
+ struct cli_credentials *credentials;
+ int ret;
+
+ if (!user->nt_password_present) {
+ /* We can't do anything here */
+ return NT_STATUS_OK;
+ }
+
+ credentials = cli_credentials_init(mem_ctx);
+ if (!credentials) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ cli_credentials_set_conf(credentials);
+ cli_credentials_set_username(credentials, username, CRED_SPECIFIED);
+
+ /* We really should consult ldap in the main SamSync code, and
+ * pass a value in here */
+ cli_credentials_set_kvno(credentials, 0);
+ cli_credentials_set_nt_hash(credentials, &user->ntpassword, CRED_SPECIFIED);
+ ret = cli_credentials_set_keytab_name(credentials, keytab_name, CRED_SPECIFIED);
+ if (ret) {
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ ret = cli_credentials_update_keytab(credentials);
+ if (ret) {
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS libnet_samdump_keytab_fn(TALLOC_CTX *mem_ctx,
+ void *private,
+ struct creds_CredentialState *creds,
+ enum netr_SamDatabaseID database,
+ struct netr_DELTA_ENUM *delta,
+ char **error_string)
+{
+ NTSTATUS nt_status = NT_STATUS_OK;
+ const char *keytab_name = private;
+
+ *error_string = NULL;
+ switch (delta->delta_type) {
+ case NETR_DELTA_USER:
+ {
+ /* not interested in builtin users */
+ if (database == SAM_DATABASE_DOMAIN) {
+ nt_status = samdump_keytab_handle_user(mem_ctx,
+ keytab_name,
+ creds,
+ delta);
+ break;
+ }
+ }
+ default:
+ /* Can't dump them all right now */
+ break;
+ }
+ return nt_status;
+}
+
+static NTSTATUS libnet_SamDump_keytab_netlogon(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_SamDump_keytab *r)
+{
+ NTSTATUS nt_status;
+ struct libnet_SamSync r2;
+
+ r2.error_string = NULL;
+ r2.delta_fn = libnet_samdump_keytab_fn;
+ r2.fn_ctx = r->keytab_name;
+ r2.machine_account = NULL; /* TODO: Create a machine account, fill this in, and the delete it */
+ nt_status = libnet_SamSync_netlogon(ctx, mem_ctx, &r2);
+ r->error_string = r2.error_string;
+
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return nt_status;
+ }
+
+ return nt_status;
+}
+
+
+
+static NTSTATUS libnet_SamDump_keytab_generic(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_SamDump_keytab *r)
+{
+ NTSTATUS nt_status;
+ struct libnet_SamDump_keytab r2;
+ r2.level = LIBNET_SAMDUMP_NETLOGON;
+ r2.error_string = NULL;
+ r2.keytab_name = r->keytab_name;
+ nt_status = libnet_SamDump_keytab(ctx, mem_ctx, &r2);
+ r->error_string = r2.error_string;
+
+ return nt_status;
+}
+
+NTSTATUS libnet_SamDump_keytab(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_SamDump_keytab *r)
+{
+ switch (r->level) {
+ case LIBNET_SAMDUMP_GENERIC:
+ return libnet_SamDump_keytab_generic(ctx, mem_ctx, r);
+ case LIBNET_SAMDUMP_NETLOGON:
+ return libnet_SamDump_keytab_netlogon(ctx, mem_ctx, r);
+ }
+
+ return NT_STATUS_INVALID_LEVEL;
+}
diff --git a/source4/libnet/libnet_vampire.h b/source4/libnet/libnet_vampire.h
index 8a588de48c..c8d569a97e 100644
--- a/source4/libnet/libnet_vampire.h
+++ b/source4/libnet/libnet_vampire.h
@@ -43,6 +43,12 @@ struct libnet_SamDump {
char *error_string;
};
+struct libnet_SamDump_keytab {
+ enum libnet_SamDump_level level;
+ char *keytab_name;
+ char *error_string;
+};
+
enum libnet_samsync_ldb_level {
LIBNET_SAMSYNC_LDB_GENERIC,
LIBNET_SAMSYNC_LDB_NETLOGON,