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1b59c9743c
Pair-Programmed-With: Guenther Deschner <gd@samba.org> Signed-off-by: Guenther Deschner <gd@samba.org> Signed-off-by: Andreas Schneider <asn@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
/*
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Unix SMB/CIFS implementation.
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Password and authentication handling
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Copyright (C) Andrew Bartlett 2001
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "auth.h"
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#include "system/passwd.h"
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#include "../lib/tsocket/tsocket.h"
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#undef DBGC_CLASS
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#define DBGC_CLASS DBGC_AUTH
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/** Check a plaintext username/password
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*
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* Cannot deal with an encrupted password in any manner whatsoever,
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* unless the account has a null password.
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**/
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static NTSTATUS check_unix_security(const struct auth_context *auth_context,
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void *my_private_data,
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TALLOC_CTX *mem_ctx,
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const struct auth_usersupplied_info *user_info,
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struct auth_serversupplied_info **server_info)
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{
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NTSTATUS nt_status;
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struct passwd *pass = NULL;
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const char *rhost;
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DEBUG(10, ("Check auth for: [%s]\n", user_info->mapped.account_name));
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if (tsocket_address_is_inet(user_info->remote_host, "ip")) {
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rhost = tsocket_address_inet_addr_string(user_info->remote_host,
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talloc_tos());
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if (rhost == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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} else {
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rhost = "127.0.0.1";
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}
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become_root();
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pass = Get_Pwnam_alloc(talloc_tos(), user_info->mapped.account_name);
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/** @todo This call assumes a ASCII password, no charset transformation is
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done. We may need to revisit this **/
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nt_status = pass_check(pass,
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pass ? pass->pw_name : user_info->mapped.account_name,
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rhost,
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user_info->password.plaintext,
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true);
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unbecome_root();
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if (NT_STATUS_IS_OK(nt_status)) {
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if (pass != NULL) {
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nt_status = make_server_info_pw(mem_ctx,
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pass->pw_name,
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pass,
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server_info);
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} else {
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/* we need to do somthing more useful here */
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nt_status = NT_STATUS_NO_SUCH_USER;
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}
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}
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TALLOC_FREE(pass);
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return nt_status;
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}
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/* module initialisation */
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static NTSTATUS auth_init_unix(struct auth_context *auth_context, const char* param, auth_methods **auth_method)
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{
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struct auth_methods *result;
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result = talloc_zero(auth_context, struct auth_methods);
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if (result == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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result->name = "unix";
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result->auth = check_unix_security;
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*auth_method = result;
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return NT_STATUS_OK;
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}
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NTSTATUS auth_unix_init(void)
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{
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return smb_register_auth(AUTH_INTERFACE_VERSION, "unix", auth_init_unix);
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}
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