mirror of
https://github.com/samba-team/samba.git
synced 2024-12-23 17:34:34 +03:00
a83feb2fe3
metze
289 lines
9.8 KiB
C
289 lines
9.8 KiB
C
/*
|
|
Unix SMB/CIFS implementation.
|
|
|
|
Convert a server info struct into the form for PAC and NETLOGON replies
|
|
|
|
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004
|
|
Copyright (C) Stefan Metzmacher <metze@samba.org> 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 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 "auth/auth.h"
|
|
#include "libcli/security/security.h"
|
|
#include "librpc/gen_ndr/ndr_netlogon.h"
|
|
#include "auth/auth_sam_reply.h"
|
|
|
|
NTSTATUS auth_convert_server_info_sambaseinfo(TALLOC_CTX *mem_ctx,
|
|
struct auth_serversupplied_info *server_info,
|
|
struct netr_SamBaseInfo **_sam)
|
|
{
|
|
struct netr_SamBaseInfo *sam = talloc_zero(mem_ctx, struct netr_SamBaseInfo);
|
|
NT_STATUS_HAVE_NO_MEMORY(sam);
|
|
|
|
sam->domain_sid = dom_sid_dup(mem_ctx, server_info->account_sid);
|
|
NT_STATUS_HAVE_NO_MEMORY(sam->domain_sid);
|
|
sam->domain_sid->num_auths--;
|
|
|
|
sam->last_logon = server_info->last_logon;
|
|
sam->last_logoff = server_info->last_logoff;
|
|
sam->acct_expiry = server_info->acct_expiry;
|
|
sam->last_password_change = server_info->last_password_change;
|
|
sam->allow_password_change = server_info->allow_password_change;
|
|
sam->force_password_change = server_info->force_password_change;
|
|
|
|
sam->account_name.string = server_info->account_name;
|
|
sam->full_name.string = server_info->full_name;
|
|
sam->logon_script.string = server_info->logon_script;
|
|
sam->profile_path.string = server_info->profile_path;
|
|
sam->home_directory.string = server_info->home_directory;
|
|
sam->home_drive.string = server_info->home_drive;
|
|
|
|
sam->logon_count = server_info->logon_count;
|
|
sam->bad_password_count = sam->bad_password_count;
|
|
sam->rid = server_info->account_sid->sub_auths[server_info->account_sid->num_auths-1];
|
|
sam->primary_gid = server_info->primary_group_sid->sub_auths[server_info->primary_group_sid->num_auths-1];
|
|
|
|
sam->groups.count = 0;
|
|
sam->groups.rids = NULL;
|
|
|
|
if (server_info->n_domain_groups > 0) {
|
|
int i;
|
|
sam->groups.rids = talloc_array(sam, struct samr_RidWithAttribute,
|
|
server_info->n_domain_groups);
|
|
|
|
if (sam->groups.rids == NULL)
|
|
return NT_STATUS_NO_MEMORY;
|
|
|
|
for (i=0; i<server_info->n_domain_groups; i++) {
|
|
struct dom_sid *group_sid = server_info->domain_groups[i];
|
|
if (!dom_sid_in_domain(sam->domain_sid, group_sid)) {
|
|
/* We handle this elsewhere */
|
|
continue;
|
|
}
|
|
sam->groups.rids[sam->groups.count].rid =
|
|
group_sid->sub_auths[group_sid->num_auths-1];
|
|
|
|
sam->groups.rids[sam->groups.count].attributes =
|
|
SE_GROUP_MANDATORY | SE_GROUP_ENABLED_BY_DEFAULT | SE_GROUP_ENABLED;
|
|
sam->groups.count += 1;
|
|
}
|
|
}
|
|
|
|
sam->user_flags = 0; /* w2k3 uses NETLOGON_EXTRA_SIDS | NETLOGON_NTLMV2_ENABLED */
|
|
sam->acct_flags = server_info->acct_flags;
|
|
sam->logon_server.string = server_info->logon_server;
|
|
sam->domain.string = server_info->domain_name;
|
|
|
|
ZERO_STRUCT(sam->unknown);
|
|
|
|
ZERO_STRUCT(sam->key);
|
|
if (server_info->user_session_key.length == sizeof(sam->key.key)) {
|
|
memcpy(sam->key.key, server_info->user_session_key.data, sizeof(sam->key.key));
|
|
}
|
|
|
|
ZERO_STRUCT(sam->LMSessKey);
|
|
if (server_info->lm_session_key.length == sizeof(sam->LMSessKey.key)) {
|
|
memcpy(sam->LMSessKey.key, server_info->lm_session_key.data,
|
|
sizeof(sam->LMSessKey.key));
|
|
}
|
|
|
|
*_sam = sam;
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
NTSTATUS auth_convert_server_info_saminfo3(TALLOC_CTX *mem_ctx,
|
|
struct auth_serversupplied_info *server_info,
|
|
struct netr_SamInfo3 **_sam3)
|
|
{
|
|
struct netr_SamBaseInfo *sam;
|
|
struct netr_SamInfo3 *sam3 = talloc_zero(mem_ctx, struct netr_SamInfo3);
|
|
NTSTATUS status;
|
|
int i;
|
|
NT_STATUS_HAVE_NO_MEMORY(sam3);
|
|
|
|
status = auth_convert_server_info_sambaseinfo(mem_ctx, server_info, &sam);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return status;
|
|
}
|
|
sam3->base = *sam;
|
|
sam3->sidcount = 0;
|
|
sam3->sids = NULL;
|
|
|
|
|
|
sam3->sids = talloc_array(sam, struct netr_SidAttr,
|
|
server_info->n_domain_groups);
|
|
NT_STATUS_HAVE_NO_MEMORY(sam3->sids);
|
|
|
|
for (i=0; i<server_info->n_domain_groups; i++) {
|
|
if (dom_sid_in_domain(sam->domain_sid, server_info->domain_groups[i])) {
|
|
continue;
|
|
}
|
|
sam3->sids[sam3->sidcount].sid = talloc_reference(sam3->sids,server_info->domain_groups[i]);
|
|
sam3->sids[sam3->sidcount].attributes =
|
|
SE_GROUP_MANDATORY | SE_GROUP_ENABLED_BY_DEFAULT | SE_GROUP_ENABLED;
|
|
sam3->sidcount += 1;
|
|
}
|
|
if (sam3->sidcount) {
|
|
sam3->base.user_flags |= NETLOGON_EXTRA_SIDS;
|
|
} else {
|
|
sam3->sids = NULL;
|
|
}
|
|
*_sam3 = sam3;
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/**
|
|
* Make a server_info struct from the info3 returned by a domain logon
|
|
*/
|
|
NTSTATUS make_server_info_netlogon_validation(TALLOC_CTX *mem_ctx,
|
|
const char *account_name,
|
|
uint16_t validation_level,
|
|
union netr_Validation *validation,
|
|
struct auth_serversupplied_info **_server_info)
|
|
{
|
|
struct auth_serversupplied_info *server_info;
|
|
struct netr_SamBaseInfo *base = NULL;
|
|
int i;
|
|
|
|
switch (validation_level) {
|
|
case 2:
|
|
if (!validation || !validation->sam2) {
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
base = &validation->sam2->base;
|
|
break;
|
|
case 3:
|
|
if (!validation || !validation->sam3) {
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
base = &validation->sam3->base;
|
|
break;
|
|
case 6:
|
|
if (!validation || !validation->sam6) {
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
base = &validation->sam6->base;
|
|
break;
|
|
default:
|
|
return NT_STATUS_INVALID_LEVEL;
|
|
}
|
|
|
|
server_info = talloc(mem_ctx, struct auth_serversupplied_info);
|
|
NT_STATUS_HAVE_NO_MEMORY(server_info);
|
|
|
|
/*
|
|
Here is where we should check the list of
|
|
trusted domains, and verify that the SID
|
|
matches.
|
|
*/
|
|
server_info->account_sid = dom_sid_add_rid(server_info, base->domain_sid, base->rid);
|
|
NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid);
|
|
|
|
|
|
server_info->primary_group_sid = dom_sid_add_rid(server_info, base->domain_sid, base->primary_gid);
|
|
NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid);
|
|
|
|
server_info->n_domain_groups = base->groups.count;
|
|
if (base->groups.count) {
|
|
server_info->domain_groups = talloc_array(server_info, struct dom_sid*, base->groups.count);
|
|
NT_STATUS_HAVE_NO_MEMORY(server_info->domain_groups);
|
|
} else {
|
|
server_info->domain_groups = NULL;
|
|
}
|
|
|
|
for (i = 0; i < base->groups.count; i++) {
|
|
server_info->domain_groups[i] = dom_sid_add_rid(server_info, base->domain_sid, base->groups.rids[i].rid);
|
|
NT_STATUS_HAVE_NO_MEMORY(server_info->domain_groups[i]);
|
|
}
|
|
|
|
/* Copy 'other' sids. We need to do sid filtering here to
|
|
prevent possible elevation of privileges. See:
|
|
|
|
http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
|
|
*/
|
|
|
|
if (validation_level == 3) {
|
|
struct dom_sid **dgrps = server_info->domain_groups;
|
|
size_t sidcount = server_info->n_domain_groups + validation->sam3->sidcount;
|
|
size_t n_dgrps = server_info->n_domain_groups;
|
|
|
|
if (validation->sam3->sidcount > 0) {
|
|
dgrps = talloc_realloc(server_info, dgrps, struct dom_sid*, sidcount);
|
|
NT_STATUS_HAVE_NO_MEMORY(dgrps);
|
|
|
|
for (i = 0; i < validation->sam3->sidcount; i++) {
|
|
dgrps[n_dgrps + i] = talloc_reference(dgrps, validation->sam3->sids[i].sid);
|
|
}
|
|
}
|
|
|
|
server_info->n_domain_groups = sidcount;
|
|
server_info->domain_groups = dgrps;
|
|
|
|
/* Where are the 'global' sids?... */
|
|
}
|
|
|
|
if (base->account_name.string) {
|
|
server_info->account_name = talloc_reference(server_info, base->account_name.string);
|
|
} else {
|
|
server_info->account_name = talloc_strdup(server_info, account_name);
|
|
NT_STATUS_HAVE_NO_MEMORY(server_info->account_name);
|
|
}
|
|
|
|
server_info->domain_name = talloc_reference(server_info, base->domain.string);
|
|
server_info->full_name = talloc_reference(server_info, base->full_name.string);
|
|
server_info->logon_script = talloc_reference(server_info, base->logon_script.string);
|
|
server_info->profile_path = talloc_reference(server_info, base->profile_path.string);
|
|
server_info->home_directory = talloc_reference(server_info, base->home_directory.string);
|
|
server_info->home_drive = talloc_reference(server_info, base->home_drive.string);
|
|
server_info->logon_server = talloc_reference(server_info, base->logon_server.string);
|
|
server_info->last_logon = base->last_logon;
|
|
server_info->last_logoff = base->last_logoff;
|
|
server_info->acct_expiry = base->acct_expiry;
|
|
server_info->last_password_change = base->last_password_change;
|
|
server_info->allow_password_change = base->allow_password_change;
|
|
server_info->force_password_change = base->force_password_change;
|
|
server_info->logon_count = base->logon_count;
|
|
server_info->bad_password_count = base->bad_password_count;
|
|
server_info->acct_flags = base->acct_flags;
|
|
|
|
server_info->authenticated = true;
|
|
|
|
/* ensure we are never given NULL session keys */
|
|
|
|
if (all_zero(base->key.key, sizeof(base->key.key))) {
|
|
server_info->user_session_key = data_blob(NULL, 0);
|
|
} else {
|
|
server_info->user_session_key = data_blob_talloc(server_info, base->key.key, sizeof(base->key.key));
|
|
NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data);
|
|
}
|
|
|
|
if (all_zero(base->LMSessKey.key, sizeof(base->LMSessKey.key))) {
|
|
server_info->lm_session_key = data_blob(NULL, 0);
|
|
} else {
|
|
server_info->lm_session_key = data_blob_talloc(server_info, base->LMSessKey.key, sizeof(base->LMSessKey.key));
|
|
NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data);
|
|
}
|
|
|
|
ZERO_STRUCT(server_info->pac_srv_sig);
|
|
ZERO_STRUCT(server_info->pac_kdc_sig);
|
|
|
|
*_server_info = server_info;
|
|
return NT_STATUS_OK;
|
|
}
|
|
|