diff options
Diffstat (limited to 'source3/auth/auth_winbind.c')
| -rw-r--r-- | source3/auth/auth_winbind.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/source3/auth/auth_winbind.c b/source3/auth/auth_winbind.c new file mode 100644 index 0000000000..d1b00a3268 --- /dev/null +++ b/source3/auth/auth_winbind.c @@ -0,0 +1,153 @@ +/* + Unix SMB/CIFS implementation. + + Winbind authentication mechnism + + Copyright (C) Tim Potter 2000 + Copyright (C) Andrew Bartlett 2001 - 2002 + + 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" + +#undef DBGC_CLASS +#define DBGC_CLASS DBGC_AUTH + +/* Authenticate a user with a challenge/response */ + +static NTSTATUS check_winbind_security(const struct auth_context *auth_context, + void *my_private_data, + TALLOC_CTX *mem_ctx, + const auth_usersupplied_info *user_info, + auth_serversupplied_info **server_info) +{ + NTSTATUS nt_status; + wbcErr wbc_status; + struct wbcAuthUserParams params; + struct wbcAuthUserInfo *info = NULL; + struct wbcAuthErrorInfo *err = NULL; + + if (!user_info) { + return NT_STATUS_INVALID_PARAMETER; + } + + if (!auth_context) { + DEBUG(3,("Password for user %s cannot be checked because we have no auth_info to get the challenge from.\n", + user_info->internal_username)); + return NT_STATUS_INVALID_PARAMETER; + } + + if (strequal(user_info->domain, get_global_sam_name())) { + DEBUG(3,("check_winbind_security: Not using winbind, requested domain [%s] was for this SAM.\n", + user_info->domain)); + return NT_STATUS_NOT_IMPLEMENTED; + } + + /* Send off request */ + + params.account_name = user_info->smb_name; + params.domain_name = user_info->domain; + params.workstation_name = user_info->wksta_name; + + params.flags = 0; + params.parameter_control= user_info->logon_parameters; + + params.level = WBC_AUTH_USER_LEVEL_RESPONSE; + + memcpy(params.password.response.challenge, + auth_context->challenge.data, + sizeof(params.password.response.challenge)); + + params.password.response.nt_length = user_info->nt_resp.length; + params.password.response.nt_data = user_info->nt_resp.data; + params.password.response.lm_length = user_info->lm_resp.length; + params.password.response.lm_data = user_info->lm_resp.data; + + /* we are contacting the privileged pipe */ + become_root(); + wbc_status = wbcAuthenticateUserEx(¶ms, &info, &err); + unbecome_root(); + + if (!WBC_ERROR_IS_OK(wbc_status)) { + DEBUG(10,("check_winbind_security: wbcAuthenticateUserEx failed: %s\n", + wbcErrorString(wbc_status))); + } + + if (wbc_status == WBC_ERR_NO_MEMORY) { + return NT_STATUS_NO_MEMORY; + } + + if (wbc_status == WBC_ERR_WINBIND_NOT_AVAILABLE) { + struct auth_methods *auth_method = + (struct auth_methods *)my_private_data; + + if ( auth_method ) + return auth_method->auth(auth_context, auth_method->private_data, + mem_ctx, user_info, server_info); + else + /* log an error since this should not happen */ + DEBUG(0,("check_winbind_security: ERROR! my_private_data == NULL!\n")); + } + + if (wbc_status == WBC_ERR_AUTH_ERROR) { + nt_status = NT_STATUS(err->nt_status); + wbcFreeMemory(err); + return nt_status; + } + + if (!WBC_ERROR_IS_OK(wbc_status)) { + return NT_STATUS_LOGON_FAILURE; + } + + nt_status = make_server_info_wbcAuthUserInfo(mem_ctx, + user_info->smb_name, + user_info->domain, + info, server_info); + wbcFreeMemory(info); + if (!NT_STATUS_IS_OK(nt_status)) { + return nt_status; + } + + (*server_info)->nss_token |= user_info->was_mapped; + + return nt_status; +} + +/* module initialisation */ +static NTSTATUS auth_init_winbind(struct auth_context *auth_context, const char *param, auth_methods **auth_method) +{ + if (!make_auth_methods(auth_context, auth_method)) { + return NT_STATUS_NO_MEMORY; + } + + (*auth_method)->name = "winbind"; + (*auth_method)->auth = check_winbind_security; + + if (param && *param) { + /* we load the 'fallback' module - if winbind isn't here, call this + module */ + auth_methods *priv; + if (!load_auth_module(auth_context, param, &priv)) { + return NT_STATUS_UNSUCCESSFUL; + } + (*auth_method)->private_data = (void *)priv; + } + return NT_STATUS_OK; +} + +NTSTATUS auth_winbind_init(void) +{ + return smb_register_auth(AUTH_INTERFACE_VERSION, "winbind", auth_init_winbind); +} |