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Diffstat (limited to 'source4/cldap_server/netlogon.c')
-rw-r--r--source4/cldap_server/netlogon.c460
1 files changed, 0 insertions, 460 deletions
diff --git a/source4/cldap_server/netlogon.c b/source4/cldap_server/netlogon.c
deleted file mode 100644
index 231bd169e9..0000000000
--- a/source4/cldap_server/netlogon.c
+++ /dev/null
@@ -1,460 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
-
- CLDAP server - netlogon handling
-
- Copyright (C) Andrew Tridgell 2005
- Copyright (C) Andrew Bartlett <abartlet@samba.org> 2008
-
- 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 3 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, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "includes.h"
-#include <ldb.h>
-#include <ldb_errors.h>
-#include "lib/events/events.h"
-#include "smbd/service_task.h"
-#include "cldap_server/cldap_server.h"
-#include "librpc/gen_ndr/ndr_misc.h"
-#include "libcli/ldap/ldap_ndr.h"
-#include "libcli/security/security.h"
-#include "dsdb/samdb/samdb.h"
-#include "auth/auth.h"
-#include "ldb_wrap.h"
-#include "system/network.h"
-#include "lib/socket/netif.h"
-#include "param/param.h"
-#include "../lib/tsocket/tsocket.h"
-#include "libds/common/flag_mapping.h"
-#include "lib/util/util_net.h"
-
-/*
- fill in the cldap netlogon union for a given version
-*/
-NTSTATUS fill_netlogon_samlogon_response(struct ldb_context *sam_ctx,
- TALLOC_CTX *mem_ctx,
- const char *domain,
- const char *netbios_domain,
- struct dom_sid *domain_sid,
- const char *domain_guid,
- const char *user,
- uint32_t acct_control,
- const char *src_address,
- uint32_t version,
- struct loadparm_context *lp_ctx,
- struct netlogon_samlogon_response *netlogon,
- bool fill_on_blank_request)
-{
- const char *dom_attrs[] = {"objectGUID", NULL};
- const char *none_attrs[] = {NULL};
- struct ldb_result *dom_res = NULL, *user_res = NULL;
- int ret;
- const char **services = lpcfg_server_services(lp_ctx);
- uint32_t server_type;
- const char *pdc_name;
- struct GUID domain_uuid;
- const char *dns_domain;
- const char *forest_domain;
- const char *pdc_dns_name;
- const char *flatname;
- const char *server_site;
- const char *client_site;
- const char *pdc_ip;
- struct ldb_dn *domain_dn = NULL;
- struct interface *ifaces;
- bool user_known = false, am_rodc = false;
- NTSTATUS status;
-
- /* the domain parameter could have an optional trailing "." */
- if (domain && domain[strlen(domain)-1] == '.') {
- domain = talloc_strndup(mem_ctx, domain, strlen(domain)-1);
- NT_STATUS_HAVE_NO_MEMORY(domain);
- }
-
- /* Lookup using long or short domainname */
- if (domain && (strcasecmp_m(domain, lpcfg_dnsdomain(lp_ctx)) == 0)) {
- domain_dn = ldb_get_default_basedn(sam_ctx);
- }
- if (netbios_domain && (strcasecmp_m(netbios_domain, lpcfg_sam_name(lp_ctx)) == 0)) {
- domain_dn = ldb_get_default_basedn(sam_ctx);
- }
- if (domain_dn) {
- const char *domain_identifier = domain != NULL ? domain
- : netbios_domain;
- ret = ldb_search(sam_ctx, mem_ctx, &dom_res,
- domain_dn, LDB_SCOPE_BASE, dom_attrs,
- "objectClass=domain");
- if (ret != LDB_SUCCESS) {
- DEBUG(2,("Error finding domain '%s'/'%s' in sam: %s\n",
- domain_identifier,
- ldb_dn_get_linearized(domain_dn),
- ldb_errstring(sam_ctx)));
- return NT_STATUS_NO_SUCH_DOMAIN;
- }
- if (dom_res->count != 1) {
- DEBUG(2,("Error finding domain '%s'/'%s' in sam\n",
- domain_identifier,
- ldb_dn_get_linearized(domain_dn)));
- return NT_STATUS_NO_SUCH_DOMAIN;
- }
- }
-
- /* Lookup using GUID or SID */
- if ((dom_res == NULL) && (domain_guid || domain_sid)) {
- if (domain_guid) {
- struct GUID binary_guid;
- struct ldb_val guid_val;
-
- /* By this means, we ensure we don't have funny stuff in the GUID */
-
- status = GUID_from_string(domain_guid, &binary_guid);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- /* And this gets the result into the binary format we want anyway */
- status = GUID_to_ndr_blob(&binary_guid, mem_ctx, &guid_val);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
- ret = ldb_search(sam_ctx, mem_ctx, &dom_res,
- NULL, LDB_SCOPE_SUBTREE,
- dom_attrs,
- "(&(objectCategory=DomainDNS)(objectGUID=%s))",
- ldb_binary_encode(mem_ctx, guid_val));
- } else { /* domain_sid case */
- ret = ldb_search(sam_ctx, mem_ctx, &dom_res,
- NULL, LDB_SCOPE_SUBTREE,
- dom_attrs,
- "(&(objectCategory=DomainDNS)(objectSid=%s))",
- dom_sid_string(mem_ctx, domain_sid));
- }
-
- if (ret != LDB_SUCCESS) {
- DEBUG(2,("Unable to find a correct reference to GUID '%s' or SID '%s' in sam: %s\n",
- domain_guid, dom_sid_string(mem_ctx, domain_sid),
- ldb_errstring(sam_ctx)));
- return NT_STATUS_NO_SUCH_DOMAIN;
- } else if (dom_res->count == 1) {
- /* Ok, now just check it is our domain */
- if (ldb_dn_compare(ldb_get_default_basedn(sam_ctx),
- dom_res->msgs[0]->dn) != 0) {
- DEBUG(2,("The GUID '%s' or SID '%s' doesn't identify our domain\n",
- domain_guid,
- dom_sid_string(mem_ctx, domain_sid)));
- return NT_STATUS_NO_SUCH_DOMAIN;
- }
- } else {
- DEBUG(2,("Unable to find a correct reference to GUID '%s' or SID '%s' in sam\n",
- domain_guid, dom_sid_string(mem_ctx, domain_sid)));
- return NT_STATUS_NO_SUCH_DOMAIN;
- }
- }
-
- if (dom_res == NULL && fill_on_blank_request) {
- /* blank inputs gives our domain - tested against
- w2k8r2. Without this ADUC on Win7 won't start */
- domain_dn = ldb_get_default_basedn(sam_ctx);
- ret = ldb_search(sam_ctx, mem_ctx, &dom_res,
- domain_dn, LDB_SCOPE_BASE, dom_attrs,
- "objectClass=domain");
- if (ret != LDB_SUCCESS) {
- DEBUG(2,("Error finding domain '%s'/'%s' in sam: %s\n",
- lpcfg_dnsdomain(lp_ctx),
- ldb_dn_get_linearized(domain_dn),
- ldb_errstring(sam_ctx)));
- return NT_STATUS_NO_SUCH_DOMAIN;
- }
- }
-
- if (dom_res == NULL) {
- DEBUG(2,(__location__ ": Unable to get domain information with no inputs\n"));
- return NT_STATUS_NO_SUCH_DOMAIN;
- }
-
- /* work around different inputs for not-specified users */
- if (!user) {
- user = "";
- }
-
- /* Enquire about any valid username with just a CLDAP packet -
- * if kerberos didn't also do this, the security folks would
- * scream... */
- if (user[0]) { \
- /* Only allow some bits to be enquired: [MS-ATDS] 7.3.3.2 */
- if (acct_control == (uint32_t)-1) {
- acct_control = 0;
- }
- acct_control = acct_control & (ACB_TEMPDUP | ACB_NORMAL | ACB_DOMTRUST | ACB_WSTRUST | ACB_SVRTRUST);
-
- /* We must exclude disabled accounts, but otherwise do the bitwise match the client asked for */
- ret = ldb_search(sam_ctx, mem_ctx, &user_res,
- dom_res->msgs[0]->dn, LDB_SCOPE_SUBTREE,
- none_attrs,
- "(&(objectClass=user)(samAccountName=%s)"
- "(!(userAccountControl:" LDB_OID_COMPARATOR_AND ":=%u))"
- "(userAccountControl:" LDB_OID_COMPARATOR_OR ":=%u))",
- ldb_binary_encode_string(mem_ctx, user),
- UF_ACCOUNTDISABLE, ds_acb2uf(acct_control));
- if (ret != LDB_SUCCESS) {
- DEBUG(2,("Unable to find reference to user '%s' with ACB 0x%8x under %s: %s\n",
- user, acct_control, ldb_dn_get_linearized(dom_res->msgs[0]->dn),
- ldb_errstring(sam_ctx)));
- return NT_STATUS_NO_SUCH_USER;
- } else if (user_res->count == 1) {
- user_known = true;
- } else {
- user_known = false;
- }
-
- } else {
- user_known = true;
- }
-
- server_type = DS_SERVER_DS;
-
- if (samdb_is_pdc(sam_ctx)) {
- server_type |= DS_SERVER_PDC;
- }
-
- if (samdb_is_gc(sam_ctx)) {
- server_type |= DS_SERVER_GC;
- }
-
- if (str_list_check(services, "ldap")) {
- server_type |= DS_SERVER_LDAP;
- }
-
- if (str_list_check(services, "kdc")) {
- server_type |= DS_SERVER_KDC;
- }
-
- if (str_list_check(services, "ntp_signd")) {
- server_type |= DS_SERVER_TIMESERV | DS_SERVER_GOOD_TIMESERV;
- }
-
- if (samdb_rodc(sam_ctx, &am_rodc) == LDB_SUCCESS && !am_rodc) {
- server_type |= DS_SERVER_WRITABLE;
- }
-
- if (dsdb_functional_level(sam_ctx) >= DS_DOMAIN_FUNCTION_2008) {
- if (server_type & DS_SERVER_WRITABLE) {
- server_type |= DS_SERVER_FULL_SECRET_DOMAIN_6;
- } else {
- server_type |= DS_SERVER_SELECT_SECRET_DOMAIN_6;
- }
- }
-
- if (version & (NETLOGON_NT_VERSION_5EX|NETLOGON_NT_VERSION_5EX_WITH_IP)) {
- pdc_name = lpcfg_netbios_name(lp_ctx);
- } else {
- pdc_name = talloc_asprintf(mem_ctx, "\\\\%s",
- lpcfg_netbios_name(lp_ctx));
- NT_STATUS_HAVE_NO_MEMORY(pdc_name);
- }
- domain_uuid = samdb_result_guid(dom_res->msgs[0], "objectGUID");
- dns_domain = lpcfg_dnsdomain(lp_ctx);
- forest_domain = samdb_forest_name(sam_ctx, mem_ctx);
- NT_STATUS_HAVE_NO_MEMORY(forest_domain);
- pdc_dns_name = talloc_asprintf(mem_ctx, "%s.%s",
- strlower_talloc(mem_ctx,
- lpcfg_netbios_name(lp_ctx)),
- dns_domain);
- NT_STATUS_HAVE_NO_MEMORY(pdc_dns_name);
- flatname = lpcfg_workgroup(lp_ctx);
-
- server_site = samdb_server_site_name(sam_ctx, mem_ctx);
- NT_STATUS_HAVE_NO_MEMORY(server_site);
- client_site = samdb_client_site_name(sam_ctx, mem_ctx,
- src_address, NULL);
- NT_STATUS_HAVE_NO_MEMORY(client_site);
- if (strcasecmp(server_site, client_site) == 0) {
- server_type |= DS_SERVER_CLOSEST;
- }
-
- load_interface_list(mem_ctx, lp_ctx, &ifaces);
- if (src_address) {
- pdc_ip = iface_list_best_ip(ifaces, src_address);
- } else {
- pdc_ip = iface_list_first_v4(ifaces);
- }
- if (pdc_ip == NULL || !is_ipaddress_v4(pdc_ip)) {
- /* this matches windows behaviour */
- pdc_ip = "127.0.0.1";
- }
-
- ZERO_STRUCTP(netlogon);
-
- /* check if either of these bits is present */
- if (version & (NETLOGON_NT_VERSION_5EX|NETLOGON_NT_VERSION_5EX_WITH_IP)) {
- uint32_t extra_flags = 0;
- netlogon->ntver = NETLOGON_NT_VERSION_5EX;
-
- /* could check if the user exists */
- if (user_known) {
- netlogon->data.nt5_ex.command = LOGON_SAM_LOGON_RESPONSE_EX;
- } else {
- netlogon->data.nt5_ex.command = LOGON_SAM_LOGON_USER_UNKNOWN_EX;
- }
- netlogon->data.nt5_ex.pdc_name = pdc_name;
- netlogon->data.nt5_ex.user_name = user;
- netlogon->data.nt5_ex.domain_name = flatname;
- netlogon->data.nt5_ex.domain_uuid = domain_uuid;
- netlogon->data.nt5_ex.forest = forest_domain;
- netlogon->data.nt5_ex.dns_domain = dns_domain;
- netlogon->data.nt5_ex.pdc_dns_name = pdc_dns_name;
- netlogon->data.nt5_ex.server_site = server_site;
- netlogon->data.nt5_ex.client_site = client_site;
- if (version & NETLOGON_NT_VERSION_5EX_WITH_IP) {
- /* note that this is always a IPV4 address */
- extra_flags = NETLOGON_NT_VERSION_5EX_WITH_IP;
- netlogon->data.nt5_ex.sockaddr.sockaddr_family = 2;
- netlogon->data.nt5_ex.sockaddr.pdc_ip = pdc_ip;
- netlogon->data.nt5_ex.sockaddr.remaining = data_blob_talloc_zero(mem_ctx, 8);
- }
- netlogon->data.nt5_ex.server_type = server_type;
- netlogon->data.nt5_ex.nt_version = NETLOGON_NT_VERSION_1|NETLOGON_NT_VERSION_5EX|extra_flags;
- netlogon->data.nt5_ex.lmnt_token = 0xFFFF;
- netlogon->data.nt5_ex.lm20_token = 0xFFFF;
-
- } else if (version & NETLOGON_NT_VERSION_5) {
- netlogon->ntver = NETLOGON_NT_VERSION_5;
-
- /* could check if the user exists */
- if (user_known) {
- netlogon->data.nt5.command = LOGON_SAM_LOGON_RESPONSE;
- } else {
- netlogon->data.nt5.command = LOGON_SAM_LOGON_USER_UNKNOWN;
- }
- netlogon->data.nt5.pdc_name = pdc_name;
- netlogon->data.nt5.user_name = user;
- netlogon->data.nt5.domain_name = flatname;
- netlogon->data.nt5.domain_uuid = domain_uuid;
- netlogon->data.nt5.forest = forest_domain;
- netlogon->data.nt5.dns_domain = dns_domain;
- netlogon->data.nt5.pdc_dns_name = pdc_dns_name;
- netlogon->data.nt5.pdc_ip = pdc_ip;
- netlogon->data.nt5.server_type = server_type;
- netlogon->data.nt5.nt_version = NETLOGON_NT_VERSION_1|NETLOGON_NT_VERSION_5;
- netlogon->data.nt5.lmnt_token = 0xFFFF;
- netlogon->data.nt5.lm20_token = 0xFFFF;
-
- } else /* (version & NETLOGON_NT_VERSION_1) and all other cases */ {
- netlogon->ntver = NETLOGON_NT_VERSION_1;
- /* could check if the user exists */
- if (user_known) {
- netlogon->data.nt4.command = LOGON_SAM_LOGON_RESPONSE;
- } else {
- netlogon->data.nt4.command = LOGON_SAM_LOGON_USER_UNKNOWN;
- }
- netlogon->data.nt4.pdc_name = pdc_name;
- netlogon->data.nt4.user_name = user;
- netlogon->data.nt4.domain_name = flatname;
- netlogon->data.nt4.nt_version = NETLOGON_NT_VERSION_1;
- netlogon->data.nt4.lmnt_token = 0xFFFF;
- netlogon->data.nt4.lm20_token = 0xFFFF;
- }
-
- return NT_STATUS_OK;
-}
-
-NTSTATUS parse_netlogon_request(struct ldb_parse_tree *tree,
- struct loadparm_context *lp_ctx,
- TALLOC_CTX *tmp_ctx,
- const char **domain,
- const char **host,
- const char **user,
- const char **domain_guid,
- struct dom_sid **domain_sid,
- int *acct_control,
- int *version)
-{
- unsigned int i;
-
- *domain = NULL;
- *host = NULL;
- *user = NULL;
- *domain_guid = NULL;
- *domain_sid = NULL;
- *acct_control = -1;
- *version = -1;
-
- if (tree->operation != LDB_OP_AND) goto failed;
-
- /* extract the query elements */
- for (i=0;i<tree->u.list.num_elements;i++) {
- struct ldb_parse_tree *t = tree->u.list.elements[i];
- if (t->operation != LDB_OP_EQUALITY) goto failed;
- if (strcasecmp(t->u.equality.attr, "DnsDomain") == 0) {
- *domain = talloc_strndup(tmp_ctx,
- (const char *)t->u.equality.value.data,
- t->u.equality.value.length);
- }
- if (strcasecmp(t->u.equality.attr, "Host") == 0) {
- *host = talloc_strndup(tmp_ctx,
- (const char *)t->u.equality.value.data,
- t->u.equality.value.length);
- }
- if (strcasecmp(t->u.equality.attr, "DomainGuid") == 0) {
- NTSTATUS enc_status;
- struct GUID guid;
- enc_status = ldap_decode_ndr_GUID(tmp_ctx,
- t->u.equality.value, &guid);
- if (NT_STATUS_IS_OK(enc_status)) {
- *domain_guid = GUID_string(tmp_ctx, &guid);
- }
- }
- if (strcasecmp(t->u.equality.attr, "DomainSid") == 0) {
- enum ndr_err_code ndr_err;
-
- *domain_sid = talloc(tmp_ctx, struct dom_sid);
- if (*domain_sid == NULL) {
- goto failed;
- }
- ndr_err = ndr_pull_struct_blob(&t->u.equality.value,
- *domain_sid, *domain_sid,
- (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- talloc_free(*domain_sid);
- goto failed;
- }
- }
- if (strcasecmp(t->u.equality.attr, "User") == 0) {
- *user = talloc_strndup(tmp_ctx,
- (const char *)t->u.equality.value.data,
- t->u.equality.value.length);
- }
- if (strcasecmp(t->u.equality.attr, "NtVer") == 0 &&
- t->u.equality.value.length == 4) {
- *version = IVAL(t->u.equality.value.data, 0);
- }
- if (strcasecmp(t->u.equality.attr, "AAC") == 0 &&
- t->u.equality.value.length == 4) {
- *acct_control = IVAL(t->u.equality.value.data, 0);
- }
- }
-
- if ((*domain == NULL) && (*domain_guid == NULL) && (*domain_sid == NULL)) {
- *domain = lpcfg_dnsdomain(lp_ctx);
- }
-
- if (*version == -1) {
- goto failed;
- }
-
- return NT_STATUS_OK;
-
-failed:
- return NT_STATUS_UNSUCCESSFUL;
-}