/* 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; }