/*
Unix SMB/CIFS implementation.
Password and authentication handling
- Copyright (C) Andrew Bartlett <abartlet@samba.org> 2001-2004
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2001-2009
Copyright (C) Gerald Carter 2003
Copyright (C) Stefan Metzmacher 2005
*/
#include "includes.h"
-#include "librpc/gen_ndr/ndr_netlogon.h"
#include "system/time.h"
#include "lib/ldb/include/ldb.h"
-#include "util/util_ldb.h"
+#include "../lib/util/util_ldb.h"
#include "auth/auth.h"
-#include "auth/ntlm/ntlm_check.h"
+#include "../libcli/auth/ntlm_check.h"
#include "auth/ntlm/auth_proto.h"
#include "auth/auth_sam.h"
#include "dsdb/samdb/samdb.h"
-#include "libcli/security/security.h"
-#include "libcli/ldap/ldap_ndr.h"
#include "param/param.h"
extern const char *user_attrs[];
static NTSTATUS authsam_search_account(TALLOC_CTX *mem_ctx, struct ldb_context *sam_ctx,
const char *account_name,
- const char *domain_name,
- struct ldb_message ***ret_msgs,
- struct ldb_message ***ret_msgs_domain_ref)
+ struct ldb_dn *domain_dn,
+ struct ldb_message **ret_msg)
{
- struct ldb_message **msgs_tmp;
- struct ldb_message **msgs;
- struct ldb_message **msgs_domain_ref;
- struct ldb_dn *partitions_basedn = samdb_partitions_dn(sam_ctx, mem_ctx);
-
int ret;
- int ret_domain;
-
- struct ldb_dn *domain_dn = NULL;
-
- if (domain_name) {
- domain_dn = samdb_domain_to_dn(sam_ctx, mem_ctx, domain_name);
- if (!domain_dn) {
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
- }
- }
/* pull the user attributes */
- ret = gendb_search(sam_ctx, mem_ctx, domain_dn, &msgs, user_attrs,
- "(&(sAMAccountName=%s)(objectclass=user))",
- ldb_binary_encode_string(mem_ctx, account_name));
- if (ret == -1) {
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
- }
-
- if (ret == 0) {
- DEBUG(3,("sam_search_user: Couldn't find user [%s\\%s] in samdb, under %s\n",
- domain_name, account_name, ldb_dn_get_linearized(domain_dn)));
- return NT_STATUS_NO_SUCH_USER;
- }
-
- if (ret > 1) {
- DEBUG(0,("Found %d records matching user [%s]\n", ret, account_name));
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
- }
-
- if (!domain_dn) {
- struct dom_sid *domain_sid;
-
- domain_sid = samdb_result_sid_prefix(mem_ctx, msgs[0], "objectSid");
- if (!domain_sid) {
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
- }
-
- /* find the domain's DN */
- ret = gendb_search(sam_ctx, mem_ctx, NULL, &msgs_tmp, NULL,
- "(&(objectSid=%s)(objectClass=domain))",
- ldap_encode_ndr_dom_sid(mem_ctx, domain_sid));
- if (ret == -1) {
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
- }
-
- if (ret == 0) {
- DEBUG(3,("check_sam_security: Couldn't find domain_sid [%s] in passdb file.\n",
- dom_sid_string(mem_ctx, domain_sid)));
- return NT_STATUS_NO_SUCH_USER;
- }
-
- if (ret > 1) {
- DEBUG(0,("Found %d records matching domain_sid [%s]\n",
- ret, dom_sid_string(mem_ctx, domain_sid)));
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
- }
-
- domain_dn = msgs_tmp[0]->dn;
- }
-
- ret_domain = gendb_search(sam_ctx, mem_ctx, partitions_basedn, &msgs_domain_ref, domain_ref_attrs,
- "(nCName=%s)", ldb_dn_get_linearized(domain_dn));
- if (ret_domain == -1) {
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
- }
-
- if (ret_domain == 0) {
- DEBUG(3,("check_sam_security: Couldn't find domain [%s] in passdb file.\n",
- ldb_dn_get_linearized(msgs_tmp[0]->dn)));
- return NT_STATUS_NO_SUCH_USER;
+ ret = gendb_search_single_extended_dn(sam_ctx, mem_ctx, domain_dn, LDB_SCOPE_SUBTREE,
+ ret_msg, user_attrs,
+ "(&(sAMAccountName=%s)(objectclass=user))",
+ ldb_binary_encode_string(mem_ctx, account_name));
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ DEBUG(3,("sam_search_user: Couldn't find user [%s] in samdb, under %s\n",
+ account_name, ldb_dn_get_linearized(domain_dn)));
+ return NT_STATUS_NO_SUCH_USER;
}
-
- if (ret_domain > 1) {
- DEBUG(0,("Found %d records matching domain [%s]\n",
- ret_domain, ldb_dn_get_linearized(msgs_tmp[0]->dn)));
+ if (ret != LDB_SUCCESS) {
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
-
- *ret_msgs = msgs;
- *ret_msgs_domain_ref = msgs_domain_ref;
return NT_STATUS_OK;
}
{
NTSTATUS status;
- if (acct_flags & ACB_PWNOTREQ) {
- if (lp_null_passwords(auth_context->lp_ctx)) {
- DEBUG(3,("Account for user '%s' has no password and null passwords are allowed.\n",
- user_info->mapped.account_name));
- *lm_sess_key = data_blob(NULL, 0);
- *user_sess_key = data_blob(NULL, 0);
- return NT_STATUS_OK;
- } else {
- DEBUG(3,("Account for user '%s' has no password and null passwords are NOT allowed.\n",
- user_info->mapped.account_name));
- return NT_STATUS_LOGON_FAILURE;
- }
- }
-
switch (user_info->password_state) {
case AUTH_PASSWORD_PLAIN:
{
*lm_sess_key = data_blob(NULL, 0);
*user_sess_key = data_blob(NULL, 0);
status = hash_password_check(mem_ctx,
- auth_context->lp_ctx,
+ lp_lanman_auth(auth_context->lp_ctx),
user_info->password.hash.lanman,
user_info->password.hash.nt,
user_info->mapped.account_name,
case AUTH_PASSWORD_RESPONSE:
status = ntlm_password_check(mem_ctx,
- auth_context->lp_ctx,
+ lp_lanman_auth(auth_context->lp_ctx),
+ lp_ntlm_auth(auth_context->lp_ctx),
user_info->logon_parameters,
&auth_context->challenge.data,
&user_info->password.response.lanman,
static NTSTATUS authsam_authenticate(struct auth_context *auth_context,
TALLOC_CTX *mem_ctx, struct ldb_context *sam_ctx,
- struct ldb_message **msgs,
- struct ldb_message **msgs_domain_ref,
+ struct ldb_dn *domain_dn,
+ struct ldb_message *msg,
const struct auth_usersupplied_info *user_info,
DATA_BLOB *user_sess_key, DATA_BLOB *lm_sess_key)
{
struct samr_Password *lm_pwd, *nt_pwd;
NTSTATUS nt_status;
- struct ldb_dn *domain_dn = samdb_result_dn(sam_ctx, mem_ctx, msgs_domain_ref[0], "nCName", NULL);
- uint16_t acct_flags = samdb_result_acct_flags(sam_ctx, mem_ctx, msgs[0], domain_dn);
+ uint16_t acct_flags = samdb_result_acct_flags(sam_ctx, mem_ctx, msg, domain_dn);
/* Quit if the account was locked out. */
if (acct_flags & ACB_AUTOLOCK) {
}
}
- nt_status = samdb_result_passwords(mem_ctx, msgs[0], &lm_pwd, &nt_pwd);
+ nt_status = samdb_result_passwords(mem_ctx, auth_context->lp_ctx, msg, &lm_pwd, &nt_pwd);
NT_STATUS_NOT_OK_RETURN(nt_status);
nt_status = authsam_password_ok(auth_context, mem_ctx,
nt_status = authsam_account_ok(mem_ctx, sam_ctx,
user_info->logon_parameters,
- msgs[0],
- msgs_domain_ref[0],
+ domain_dn,
+ msg,
user_info->workstation_name,
- user_info->mapped.account_name);
+ user_info->mapped.account_name,
+ false, false);
return nt_status;
}
static NTSTATUS authsam_check_password_internals(struct auth_method_context *ctx,
TALLOC_CTX *mem_ctx,
- const char *domain,
const struct auth_usersupplied_info *user_info,
struct auth_serversupplied_info **server_info)
{
NTSTATUS nt_status;
const char *account_name = user_info->mapped.account_name;
- struct ldb_message **msgs;
- struct ldb_message **domain_ref_msgs;
+ struct ldb_message *msg;
struct ldb_context *sam_ctx;
+ struct ldb_dn *domain_dn;
DATA_BLOB user_sess_key, lm_sess_key;
TALLOC_CTX *tmp_ctx;
return NT_STATUS_NO_MEMORY;
}
- sam_ctx = samdb_connect(tmp_ctx, ctx->auth_ctx->event_ctx, ctx->auth_ctx->lp_ctx, system_session(mem_ctx, ctx->auth_ctx->lp_ctx));
+ sam_ctx = samdb_connect(tmp_ctx, ctx->auth_ctx->event_ctx, ctx->auth_ctx->lp_ctx, system_session(ctx->auth_ctx->lp_ctx));
if (sam_ctx == NULL) {
talloc_free(tmp_ctx);
return NT_STATUS_INVALID_SYSTEM_SERVICE;
}
- nt_status = authsam_search_account(tmp_ctx, sam_ctx, account_name, domain, &msgs, &domain_ref_msgs);
+ domain_dn = ldb_get_default_basedn(sam_ctx);
+ if (domain_dn == NULL) {
+ talloc_free(tmp_ctx);
+ return NT_STATUS_NO_SUCH_DOMAIN;
+ }
+
+ nt_status = authsam_search_account(tmp_ctx, sam_ctx, account_name, domain_dn, &msg);
if (!NT_STATUS_IS_OK(nt_status)) {
talloc_free(tmp_ctx);
return nt_status;
}
- nt_status = authsam_authenticate(ctx->auth_ctx, tmp_ctx, sam_ctx, msgs, domain_ref_msgs, user_info,
+ nt_status = authsam_authenticate(ctx->auth_ctx, tmp_ctx, sam_ctx, domain_dn, msg, user_info,
&user_sess_key, &lm_sess_key);
if (!NT_STATUS_IS_OK(nt_status)) {
talloc_free(tmp_ctx);
}
nt_status = authsam_make_server_info(tmp_ctx, sam_ctx, lp_netbios_name(ctx->auth_ctx->lp_ctx),
- msgs[0], domain_ref_msgs[0],
+ lp_sam_name(ctx->auth_ctx->lp_ctx),
+ domain_dn,
+ msg,
user_sess_key, lm_sess_key,
server_info);
if (!NT_STATUS_IS_OK(nt_status)) {
return NT_STATUS_OK;
}
-static NTSTATUS authsam_ignoredomain_check_password(struct auth_method_context *ctx,
- TALLOC_CTX *mem_ctx,
- const struct auth_usersupplied_info *user_info,
- struct auth_serversupplied_info **server_info)
-{
- return authsam_check_password_internals(ctx, mem_ctx, NULL, user_info, server_info);
-}
-
/****************************************************************************
Check SAM security (above) but with a few extra checks.
****************************************************************************/
return NT_STATUS_NOT_IMPLEMENTED;
}
-/****************************************************************************
-Check SAM security (above) but with a few extra checks.
-****************************************************************************/
-static NTSTATUS authsam_check_password(struct auth_method_context *ctx,
- TALLOC_CTX *mem_ctx,
- const struct auth_usersupplied_info *user_info,
- struct auth_serversupplied_info **server_info)
+
+/* Used in the gensec_gssapi and gensec_krb5 server-side code, where the PAC isn't available */
+NTSTATUS authsam_get_server_info_principal(TALLOC_CTX *mem_ctx,
+ struct auth_context *auth_context,
+ const char *principal,
+ struct auth_serversupplied_info **server_info)
{
- const char *domain;
+ NTSTATUS nt_status;
+ DATA_BLOB user_sess_key = data_blob(NULL, 0);
+ DATA_BLOB lm_sess_key = data_blob(NULL, 0);
- /* check whether or not we service this domain/workgroup name */
- switch (lp_server_role(ctx->auth_ctx->lp_ctx)) {
- case ROLE_STANDALONE:
- case ROLE_DOMAIN_MEMBER:
- domain = lp_netbios_name(ctx->auth_ctx->lp_ctx);
- break;
+ struct ldb_message *msg;
+ struct ldb_context *sam_ctx;
+ struct ldb_dn *domain_dn;
+
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ if (!tmp_ctx) {
+ return NT_STATUS_NO_MEMORY;
+ }
- case ROLE_DOMAIN_CONTROLLER:
- domain = lp_workgroup(ctx->auth_ctx->lp_ctx);
- break;
+ sam_ctx = samdb_connect(tmp_ctx, auth_context->event_ctx, auth_context->lp_ctx,
+ system_session(auth_context->lp_ctx));
+ if (sam_ctx == NULL) {
+ talloc_free(tmp_ctx);
+ return NT_STATUS_INVALID_SYSTEM_SERVICE;
+ }
- default:
- return NT_STATUS_NO_SUCH_USER;
+ nt_status = sam_get_results_principal(sam_ctx, tmp_ctx, principal,
+ user_attrs, &domain_dn, &msg);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ talloc_free(tmp_ctx);
+ return nt_status;
+ }
+
+ nt_status = authsam_make_server_info(tmp_ctx, sam_ctx,
+ lp_netbios_name(auth_context->lp_ctx),
+ lp_workgroup(auth_context->lp_ctx),
+ domain_dn,
+ msg,
+ user_sess_key, lm_sess_key,
+ server_info);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ talloc_free(tmp_ctx);
+ return nt_status;
}
- return authsam_check_password_internals(ctx, mem_ctx, domain, user_info, server_info);
+ talloc_steal(mem_ctx, *server_info);
+ talloc_free(tmp_ctx);
+
+ return NT_STATUS_OK;
}
static const struct auth_operations sam_ignoredomain_ops = {
- .name = "sam_ignoredomain",
- .get_challenge = auth_get_challenge_not_implemented,
- .want_check = authsam_ignoredomain_want_check,
- .check_password = authsam_ignoredomain_check_password
+ .name = "sam_ignoredomain",
+ .get_challenge = auth_get_challenge_not_implemented,
+ .want_check = authsam_ignoredomain_want_check,
+ .check_password = authsam_check_password_internals,
+ .get_server_info_principal = authsam_get_server_info_principal
};
static const struct auth_operations sam_ops = {
- .name = "sam",
- .get_challenge = auth_get_challenge_not_implemented,
- .want_check = authsam_want_check,
- .check_password = authsam_check_password
+ .name = "sam",
+ .get_challenge = auth_get_challenge_not_implemented,
+ .want_check = authsam_want_check,
+ .check_password = authsam_check_password_internals,
+ .get_server_info_principal = authsam_get_server_info_principal
};
_PUBLIC_ NTSTATUS auth_sam_init(void)
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