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/*
Unix SMB/CIFS implementation.
ejs auth functions
Copyright (C) Simo Sorce 2005
Copyright (C) Andrew Tridgell 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 "lib/appweb/ejs/ejs.h"
#include "auth/auth.h"
#include "auth/credentials/credentials.h"
#include "scripting/ejs/smbcalls.h"
#include "lib/events/events.h"
#include "lib/messaging/irpc.h"
#include "libcli/security/security.h"
static int ejs_doauth(MprVarHandle eid,
TALLOC_CTX *tmp_ctx, struct MprVar *auth,
const char *username, const char *password,
const char *domain, const char *workstation,
struct socket_address *remote_host,
const char **auth_types)
{
struct auth_usersupplied_info *user_info = NULL;
struct auth_serversupplied_info *server_info = NULL;
struct auth_session_info *session_info = NULL;
struct auth_context *auth_context;
struct MprVar *session_info_obj;
NTSTATUS nt_status;
bool set;
struct smbcalls_context *c;
struct event_context *ev;
struct messaging_context *msg;
/* Hope we can find an smbcalls_context somewhere up there... */
c = talloc_find_parent_bytype(tmp_ctx, struct smbcalls_context);
if (c) {
ev = c->event_ctx;
msg = c->msg_ctx;
} else {
/* Hope we can find the event context somewhere up there... */
ev = mprEventCtx();
msg = messaging_client_init(tmp_ctx, lp_messaging_path(tmp_ctx, mprLpCtx()),
lp_iconv_convenience(mprLpCtx()), ev);
}
if (auth_types) {
nt_status = auth_context_create_methods(tmp_ctx, auth_types, ev, msg, mprLpCtx(), &auth_context);
} else {
nt_status = auth_context_create(tmp_ctx, ev, msg, mprLpCtx(), &auth_context);
}
if (!NT_STATUS_IS_OK(nt_status)) {
mprSetPropertyValue(auth, "result", mprCreateBoolVar(false));
mprSetPropertyValue(auth, "report", mprString("Auth System Failure"));
goto done;
}
user_info = talloc(tmp_ctx, struct auth_usersupplied_info);
if (!user_info) {
mprSetPropertyValue(auth, "result", mprCreateBoolVar(false));
mprSetPropertyValue(auth, "report", mprString("talloc failed"));
goto done;
}
user_info->mapped_state = true;
user_info->client.account_name = username;
user_info->mapped.account_name = username;
user_info->client.domain_name = domain;
user_info->mapped.domain_name = domain;
user_info->workstation_name = workstation;
user_info->remote_host = remote_host;
user_info->password_state = AUTH_PASSWORD_PLAIN;
user_info->password.plaintext = talloc_strdup(user_info, password);
user_info->flags = USER_INFO_CASE_INSENSITIVE_USERNAME |
USER_INFO_DONT_CHECK_UNIX_ACCOUNT;
user_info->logon_parameters = 0;
nt_status = auth_check_password(auth_context, tmp_ctx, user_info, &server_info);
/* Don't give the game away (any difference between no such
* user and wrong password) */
nt_status = auth_nt_status_squash(nt_status);
if (!NT_STATUS_IS_OK(nt_status)) {
mprSetPropertyValue(auth, "report",
mprString(talloc_strdup(mprMemCtx(), get_friendly_nt_error_msg(nt_status))));
mprSetPropertyValue(auth, "result", mprCreateBoolVar(false));
goto done;
}
nt_status = auth_generate_session_info(tmp_ctx, mprEventCtx(), mprLpCtx(), server_info, &session_info);
if (!NT_STATUS_IS_OK(nt_status)) {
mprSetPropertyValue(auth, "report", mprString("Session Info generation failed"));
mprSetPropertyValue(auth, "result", mprCreateBoolVar(false));
goto done;
}
if (security_token_has_nt_authenticated_users(session_info->security_token)) {
mprSetPropertyValue(auth, "user_class", mprString("USER"));
set = true;
}
if (security_token_has_builtin_administrators(session_info->security_token)) {
mprSetPropertyValue(auth, "user_class", mprString("ADMINISTRATOR"));
set = true;
}
if (security_token_is_system(session_info->security_token)) {
mprSetPropertyValue(auth, "user_class", mprString("SYSTEM"));
set = true;
}
if (security_token_is_anonymous(session_info->security_token)) {
mprSetPropertyValue(auth, "report", mprString("Anonymous login not permitted"));
mprSetPropertyValue(auth, "result", mprCreateBoolVar(false));
goto done;
}
if (!set) {
mprSetPropertyValue(auth, "report", mprString("Session Info generation failed"));
mprSetPropertyValue(auth, "result", mprCreateBoolVar(false));
}
session_info_obj = mprInitObject(eid, "session_info", 0, NULL);
mprSetPtrChild(session_info_obj, "session_info", session_info);
talloc_steal(mprMemCtx(), session_info);
mprSetProperty(auth, "session_info", session_info_obj);
mprSetPropertyValue(auth, "result", mprCreateBoolVar(server_info->authenticated));
mprSetPropertyValue(auth, "username", mprString(server_info->account_name));
mprSetPropertyValue(auth, "domain", mprString(server_info->domain_name));
done:
return 0;
}
/*
perform user authentication, returning an array of results
*/
static int ejs_userAuth(MprVarHandle eid, int argc, struct MprVar **argv)
{
TALLOC_CTX *tmp_ctx;
const char *username;
const char *password;
const char *domain;
const char *workstation;
struct MprVar auth;
struct cli_credentials *creds;
struct socket_address *remote_host;
const char *auth_types_unix[] = { "unix", NULL };
if (argc != 2 || argv[0]->type != MPR_TYPE_OBJECT || argv[1]->type != MPR_TYPE_OBJECT) {
ejsSetErrorMsg(eid, "userAuth invalid arguments, this function requires an object.");
return -1;
}
/* get credential values from credentials object */
creds = mprGetPtr(argv[0], "creds");
if (creds == NULL) {
ejsSetErrorMsg(eid, "userAuth requires a 'creds' first parameter");
return -1;
}
remote_host = (struct socket_address *)mprGetPtr(argv[1], "socket_address");
if (remote_host == NULL) {
ejsSetErrorMsg(eid, "userAuth requires a socket address second parameter");
return -1;
}
tmp_ctx = talloc_new(mprMemCtx());
username = cli_credentials_get_username(creds);
password = cli_credentials_get_password(creds);
domain = cli_credentials_get_domain(creds);
workstation = cli_credentials_get_workstation(creds);
if (username == NULL || password == NULL || domain == NULL) {
mpr_Return(eid, mprCreateUndefinedVar());
talloc_free(tmp_ctx);
return 0;
}
auth = mprObject("auth");
if (domain && (strcmp("SYSTEM USER", domain) == 0)) {
ejs_doauth(eid, tmp_ctx, &auth, username, password, domain, workstation, remote_host, auth_types_unix);
} else {
ejs_doauth(eid, tmp_ctx, &auth, username, password, domain, workstation, remote_host, NULL);
}
mpr_Return(eid, auth);
talloc_free(tmp_ctx);
return 0;
}
/*
initialise credentials ejs object
*/
static int ejs_system_session(MprVarHandle eid, int argc, struct MprVar **argv)
{
struct MprVar *obj = mprInitObject(eid, "session_info", argc, argv);
struct auth_session_info *session_info = system_session(mprMemCtx(), mprLpCtx());
if (session_info == NULL) {
return -1;
}
mprSetPtrChild(obj, "session_info", session_info);
return 0;
}
/*
setup C functions that be called from ejs
*/
NTSTATUS smb_setup_ejs_auth(void)
{
ejsDefineCFunction(-1, "userAuth", ejs_userAuth, NULL, MPR_VAR_SCRIPT_HANDLE);
ejsDefineCFunction(-1, "system_session", ejs_system_session, NULL, MPR_VAR_SCRIPT_HANDLE);
return NT_STATUS_OK;
}
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