diff options
Diffstat (limited to 'source4/auth/auth_ntlmssp.c')
| -rw-r--r-- | source4/auth/auth_ntlmssp.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/source4/auth/auth_ntlmssp.c b/source4/auth/auth_ntlmssp.c new file mode 100644 index 0000000000..b3dff8dbe6 --- /dev/null +++ b/source4/auth/auth_ntlmssp.c @@ -0,0 +1,138 @@ +/* + Unix SMB/Netbios implementation. + Version 3.0 + handle NLTMSSP, server side + + Copyright (C) Andrew Tridgell 2001 + Copyright (C) Andrew Bartlett 2001-2003 + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" + +static const uint8 *auth_ntlmssp_get_challenge(struct ntlmssp_state *ntlmssp_state) +{ + AUTH_NTLMSSP_STATE *auth_ntlmssp_state = ntlmssp_state->auth_context; + return auth_ntlmssp_state->auth_context->get_ntlm_challenge(auth_ntlmssp_state->auth_context); +} + +static NTSTATUS auth_ntlmssp_check_password(struct ntlmssp_state *ntlmssp_state) +{ + AUTH_NTLMSSP_STATE *auth_ntlmssp_state = ntlmssp_state->auth_context; + uint32 auth_flags = AUTH_FLAG_NONE; + auth_usersupplied_info *user_info = NULL; + DATA_BLOB plaintext_password = data_blob(NULL, 0); + NTSTATUS nt_status; + + if (auth_ntlmssp_state->ntlmssp_state->lm_resp.length) { + auth_flags |= AUTH_FLAG_LM_RESP; + } + + if (auth_ntlmssp_state->ntlmssp_state->nt_resp.length == 24) { + auth_flags |= AUTH_FLAG_NTLM_RESP; + } else if (auth_ntlmssp_state->ntlmssp_state->nt_resp.length > 24) { + auth_flags |= AUTH_FLAG_NTLMv2_RESP; + }; + + /* the client has given us its machine name (which we otherwise would not get on port 445). + we need to possibly reload smb.conf if smb.conf includes depend on the machine name */ + + sub_set_remote_machine(auth_ntlmssp_state->ntlmssp_state->workstation); + + /* setup the string used by %U */ + /* sub_set_smb_name checks for weird internally */ + sub_set_user_name(auth_ntlmssp_state->ntlmssp_state->user); + + reload_services(True); + + nt_status = make_user_info_map(&user_info, + auth_ntlmssp_state->ntlmssp_state->user, + auth_ntlmssp_state->ntlmssp_state->domain, + auth_ntlmssp_state->ntlmssp_state->workstation, + auth_ntlmssp_state->ntlmssp_state->lm_resp, + auth_ntlmssp_state->ntlmssp_state->nt_resp, + plaintext_password, + auth_flags, True); + + if (!NT_STATUS_IS_OK(nt_status)) { + return nt_status; + } + + nt_status = auth_ntlmssp_state->auth_context->check_ntlm_password(auth_ntlmssp_state->auth_context, user_info, &auth_ntlmssp_state->server_info); + + free_user_info(&user_info); + + return nt_status; +} + +NTSTATUS auth_ntlmssp_start(AUTH_NTLMSSP_STATE **auth_ntlmssp_state) +{ + NTSTATUS nt_status; + TALLOC_CTX *mem_ctx; + + mem_ctx = talloc_init("AUTH NTLMSSP context"); + + *auth_ntlmssp_state = talloc_zero(mem_ctx, sizeof(**auth_ntlmssp_state)); + if (!*auth_ntlmssp_state) { + DEBUG(0,("auth_ntlmssp_start: talloc failed!\n")); + talloc_destroy(mem_ctx); + return NT_STATUS_NO_MEMORY; + } + + ZERO_STRUCTP(*auth_ntlmssp_state); + + (*auth_ntlmssp_state)->mem_ctx = mem_ctx; + + if (!NT_STATUS_IS_OK(nt_status = ntlmssp_server_start(&(*auth_ntlmssp_state)->ntlmssp_state))) { + return nt_status; + } + + if (!NT_STATUS_IS_OK(nt_status = make_auth_context_subsystem(&(*auth_ntlmssp_state)->auth_context))) { + return nt_status; + } + + (*auth_ntlmssp_state)->ntlmssp_state->auth_context = (*auth_ntlmssp_state); + (*auth_ntlmssp_state)->ntlmssp_state->get_challenge = auth_ntlmssp_get_challenge; + (*auth_ntlmssp_state)->ntlmssp_state->check_password = auth_ntlmssp_check_password; + (*auth_ntlmssp_state)->ntlmssp_state->server_role = lp_server_role(); + + return NT_STATUS_OK; +} + +NTSTATUS auth_ntlmssp_end(AUTH_NTLMSSP_STATE **auth_ntlmssp_state) +{ + TALLOC_CTX *mem_ctx = (*auth_ntlmssp_state)->mem_ctx; + + if ((*auth_ntlmssp_state)->ntlmssp_state) { + ntlmssp_server_end(&(*auth_ntlmssp_state)->ntlmssp_state); + } + if ((*auth_ntlmssp_state)->auth_context) { + ((*auth_ntlmssp_state)->auth_context->free)(&(*auth_ntlmssp_state)->auth_context); + } + if ((*auth_ntlmssp_state)->server_info) { + free_server_info(&(*auth_ntlmssp_state)->server_info); + } + talloc_destroy(mem_ctx); + *auth_ntlmssp_state = NULL; + return NT_STATUS_OK; +} + +NTSTATUS auth_ntlmssp_update(AUTH_NTLMSSP_STATE *auth_ntlmssp_state, + const DATA_BLOB request, DATA_BLOB *reply) +{ + return ntlmssp_server_update(auth_ntlmssp_state->ntlmssp_state, request, reply); +} + |