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authorAndrew Bartlett <abartlet@samba.org>2012-07-14 22:23:41 +1000
committerAndrew Bartlett <abartlet@samba.org>2012-07-15 05:41:27 +0200
commitdff29e4aee5f6adda32e5a0905d3c46e810feb27 (patch)
tree3f20f101be690ffd085999c3ac5a29b715bee148 /auth/credentials
parent6d24c899db76161a6f8d092b6fae054c6e663432 (diff)
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auth/credentials: Look in the secrets.tdb for the machine account
This is for use with the -P/--machine-pass option. Andrew Bartlett Autobuild-User(master): Andrew Bartlett <abartlet@samba.org> Autobuild-Date(master): Sun Jul 15 05:41:28 CEST 2012 on sn-devel-104
Diffstat (limited to 'auth/credentials')
-rw-r--r--auth/credentials/credentials_secrets.c51
-rwxr-xr-xauth/credentials/wscript_build2
2 files changed, 50 insertions, 3 deletions
diff --git a/auth/credentials/credentials_secrets.c b/auth/credentials/credentials_secrets.c
index bc08d9da9a..8206173194 100644
--- a/auth/credentials/credentials_secrets.c
+++ b/auth/credentials/credentials_secrets.c
@@ -34,6 +34,11 @@
#include "param/param.h"
#include "lib/events/events.h"
#include "dsdb/samdb/samdb.h"
+#include "source3/include/secrets.h"
+#include "dbwrap/dbwrap.h"
+#include "dbwrap/dbwrap_open.h"
+#include "lib/util/util_tdb.h"
+
/**
* Fill in credentials for the machine trust account, from the secrets database.
@@ -197,17 +202,59 @@ _PUBLIC_ NTSTATUS cli_credentials_set_machine_account(struct cli_credentials *cr
NTSTATUS status;
char *filter;
char *error_string;
+ const char *domain;
/* Bleh, nasty recursion issues: We are setting a machine
* account here, so we don't want the 'pending' flag around
* any more */
cred->machine_account_pending = false;
+
+ /* We have to do this, as the fallback in
+ * cli_credentials_set_secrets is to run as anonymous, so the domain is wiped */
+ domain = cli_credentials_get_domain(cred);
filter = talloc_asprintf(cred, SECRETS_PRIMARY_DOMAIN_FILTER,
- cli_credentials_get_domain(cred));
+ domain);
status = cli_credentials_set_secrets(cred, lp_ctx, NULL,
SECRETS_PRIMARY_DOMAIN_DN,
filter, &error_string);
+ if (NT_STATUS_EQUAL(NT_STATUS_CANT_ACCESS_DOMAIN_INFO, status)
+ || NT_STATUS_EQUAL(NT_STATUS_NOT_FOUND, status)) {
+ TDB_DATA dbuf;
+ char *secrets_tdb = lpcfg_private_path(cred, lp_ctx, "secrets.tdb");
+ struct db_context *db_ctx = dbwrap_local_open(cred, lp_ctx, secrets_tdb, 0,
+ TDB_DEFAULT, O_RDWR, 0600,
+ DBWRAP_LOCK_ORDER_1);
+ if (db_ctx) {
+ char *keystr;
+ char *keystr_upper;
+ keystr = talloc_asprintf(cred, "%s/%s",
+ SECRETS_MACHINE_PASSWORD,
+ domain);
+ keystr_upper = strupper_talloc(cred, keystr);
+ TALLOC_FREE(keystr);
+ status = dbwrap_fetch(db_ctx, cred, string_tdb_data(keystr_upper),
+ &dbuf);
+
+ if (NT_STATUS_IS_OK(status)) {
+ char *machine_account = talloc_asprintf(cred, "%s$", lpcfg_netbios_name(lp_ctx));
+ cli_credentials_set_password(cred, (const char *)dbuf.dptr, CRED_SPECIFIED);
+ cli_credentials_set_domain(cred, domain, CRED_SPECIFIED);
+ cli_credentials_set_username(cred, machine_account, CRED_SPECIFIED);
+ TALLOC_FREE(machine_account);
+ TALLOC_FREE(dbuf.dptr);
+ } else {
+ error_string = talloc_asprintf(cred,
+ "Failed to fetch machine account password from "
+ "secrets.ldb: %s and failed to fetch %s from %s",
+ error_string, keystr_upper, secrets_tdb);
+ }
+ TALLOC_FREE(keystr_upper);
+ TALLOC_FREE(secrets_tdb);
+ }
+ }
+
if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not find machine account in secrets database: %s: %s\n", nt_errstr(status), error_string));
+ DEBUG(1, ("Could not find machine account in secrets database: %s: %s\n",
+ error_string, nt_errstr(status)));
talloc_free(error_string);
}
return status;
diff --git a/auth/credentials/wscript_build b/auth/credentials/wscript_build
index a7936e92ec..0b2aec2189 100755
--- a/auth/credentials/wscript_build
+++ b/auth/credentials/wscript_build
@@ -17,7 +17,7 @@ bld.SAMBA_SUBSYSTEM('CREDENTIALS_KRB5',
bld.SAMBA_SUBSYSTEM('CREDENTIALS_SECRETS',
source='credentials_secrets.c',
- deps='CREDENTIALS_KRB5 CREDENTIALS_NTLM ldb SECRETS samdb-common',
+ deps='CREDENTIALS_KRB5 CREDENTIALS_NTLM ldb SECRETS samdb-common dbwrap',
)
bld.SAMBA_SUBSYSTEM('CREDENTIALS_NTLM',