diff options
Diffstat (limited to 'source3/rpc_server')
| -rw-r--r-- | source3/rpc_server/dcesrv_ntlmssp.c | 134 | ||||
| -rw-r--r-- | source3/rpc_server/dcesrv_ntlmssp.h | 42 |
2 files changed, 176 insertions, 0 deletions
diff --git a/source3/rpc_server/dcesrv_ntlmssp.c b/source3/rpc_server/dcesrv_ntlmssp.c new file mode 100644 index 0000000000..ac13607473 --- /dev/null +++ b/source3/rpc_server/dcesrv_ntlmssp.c @@ -0,0 +1,134 @@ +/* + * NTLMSSP Acceptor + * DCERPC Server functions + * Copyright (C) Simo Sorce 2010. + * + * 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 "rpc_server/dcesrv_ntlmssp.h" +#include "../libcli/auth/ntlmssp.h" +#include "ntlmssp_wrap.h" + +NTSTATUS ntlmssp_server_auth_start(TALLOC_CTX *mem_ctx, + bool do_sign, + bool do_seal, + bool is_dcerpc, + DATA_BLOB *token_in, + DATA_BLOB *token_out, + struct auth_ntlmssp_state **ctx) +{ + struct auth_ntlmssp_state *a = NULL; + NTSTATUS status; + + status = auth_ntlmssp_start(&a); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(0, (__location__ ": auth_ntlmssp_start failed: %s\n", + nt_errstr(status))); + return status; + } + + /* Clear flags, then set them according to requested flags */ + auth_ntlmssp_and_flags(a, ~(NTLMSSP_NEGOTIATE_SIGN | + NTLMSSP_NEGOTIATE_SEAL)); + + if (do_sign) { + auth_ntlmssp_or_flags(a, NTLMSSP_NEGOTIATE_SIGN); + } + if (do_seal) { + /* Always implies both sign and seal for ntlmssp */ + auth_ntlmssp_or_flags(a, NTLMSSP_NEGOTIATE_SIGN | + NTLMSSP_NEGOTIATE_SEAL); + } + + status = auth_ntlmssp_update(a, *token_in, token_out); + if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) { + DEBUG(0, (__location__ ": auth_ntlmssp_update failed: %s\n", + nt_errstr(status))); + goto done; + } + + /* Make sure data is bound to the memctx, to be freed the caller */ + talloc_steal(mem_ctx, token_out->data); + /* steal ntlmssp context too */ + *ctx = talloc_move(mem_ctx, &a); + + status = NT_STATUS_OK; + +done: + if (!NT_STATUS_IS_OK(status)) { + TALLOC_FREE(a); + } + + return status; +} + +NTSTATUS ntlmssp_server_step(struct auth_ntlmssp_state *ctx, + TALLOC_CTX *mem_ctx, + DATA_BLOB *token_in, + DATA_BLOB *token_out) +{ + NTSTATUS status; + + /* this has to be done as root in order to verify the password */ + become_root(); + status = auth_ntlmssp_update(ctx, *token_in, token_out); + unbecome_root(); + + /* put the output token data on the given mem_ctx */ + talloc_steal(mem_ctx, token_out->data); + + return status; +} + +NTSTATUS ntlmssp_server_check_flags(struct auth_ntlmssp_state *ctx, + bool do_sign, bool do_seal) +{ + if (do_sign && !auth_ntlmssp_negotiated_sign(ctx)) { + DEBUG(1, (__location__ "Integrity was requested but client " + "failed to negotiate signing.\n")); + return NT_STATUS_ACCESS_DENIED; + } + + if (do_seal && !auth_ntlmssp_negotiated_seal(ctx)) { + DEBUG(1, (__location__ "Privacy was requested but client " + "failed to negotiate sealing.\n")); + return NT_STATUS_ACCESS_DENIED; + } + + return NT_STATUS_OK; +} + +NTSTATUS ntlmssp_server_get_user_info(struct auth_ntlmssp_state *ctx, + TALLOC_CTX *mem_ctx, + struct auth_serversupplied_info **server_info) +{ + NTSTATUS status; + + status = auth_ntlmssp_steal_server_info(mem_ctx, ctx, server_info); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(1, (__location__ ": Failed to get authenticated user " + "info: %s\n", nt_errstr(status))); + return status; + } + + DEBUG(5, (__location__ "OK: user: %s domain: %s workstation: %s\n", + auth_ntlmssp_get_username(ctx), + auth_ntlmssp_get_domain(ctx), + auth_ntlmssp_get_client(ctx))); + + return NT_STATUS_OK; +} diff --git a/source3/rpc_server/dcesrv_ntlmssp.h b/source3/rpc_server/dcesrv_ntlmssp.h new file mode 100644 index 0000000000..ddb38f69df --- /dev/null +++ b/source3/rpc_server/dcesrv_ntlmssp.h @@ -0,0 +1,42 @@ +/* + * NTLMSSP Acceptor + * DCERPC Server functions + * Copyright (C) Simo Sorce 2010. + * + * 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/>. + */ + +#ifndef _DCESRV_NTLMSSP_H_ +#define _DCESRV_NTLMSSP_H_ + +struct auth_ntlmssp_state; + +NTSTATUS ntlmssp_server_auth_start(TALLOC_CTX *mem_ctx, + bool do_sign, + bool do_seal, + bool is_dcerpc, + DATA_BLOB *token_in, + DATA_BLOB *token_out, + struct auth_ntlmssp_state **ctx); +NTSTATUS ntlmssp_server_step(struct auth_ntlmssp_state *ctx, + TALLOC_CTX *mem_ctx, + DATA_BLOB *token_in, + DATA_BLOB *token_out); +NTSTATUS ntlmssp_server_check_flags(struct auth_ntlmssp_state *ctx, + bool do_sign, bool do_seal); +NTSTATUS ntlmssp_server_get_user_info(struct auth_ntlmssp_state *ctx, + TALLOC_CTX *mem_ctx, + struct auth_serversupplied_info **server_info); + +#endif /* _DCESRV_NTLMSSP_H_ */ |