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/*
Unix SMB/CIFS implementation.
provide hooks into C calls from esp scripts
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 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"
#include "pwd.h"
#include "web_server/esp/esp.h"
#include "param/loadparm.h"
#include "lib/ldb/include/ldb.h"
/* try to authenticate the user/password pair against system auth mechanisms
returns 0 on success
returns -1 on error
fills in the session structure properly in case of success
NOTE: Currently only PAM Auth is supported
*/
static int esp_unixAuth(struct EspRequest *ep, int argc, struct MprVar **argv)
{
TALLOC_CTX *tmp_ctx = talloc_new(ep);
const char *username;
const char *password;
struct passwd *pwd;
int ret;
if (argc != 2 || argv[0]->type != MPR_TYPE_STRING ||
argv[1]->type != MPR_TYPE_STRING) {
espError(ep, "unixAuth invalid arguments");
ret = -1;
goto done;
}
username = mprToString(argv[0]);
password = mprToString(argv[1]);
if (username == NULL || password == NULL) {
espError(ep, "unixAuth invalid arguments");
ret = -1;
goto done;
}
/* TODO: find out how to pass the real client name/address here */
if (NT_STATUS_IS_OK(unix_passcheck(tmp_ctx, "client", username, password))) {
pwd = getpwnam(username);
if (!pwd) {
espSetReturn(ep, mprCreateIntegerVar(-1));
ret = -1;
goto done;
}
mprSetPropertyValue(&ep->variables[ESP_SESSION_OBJ],
"AUTHENTICATED", mprCreateStringVar("1", 0));
mprSetPropertyValue(&ep->variables[ESP_SESSION_OBJ],
"USERNAME", mprCreateStringVar(username, 0));
if (pwd->pw_uid == 0) { /* we are root */
mprSetPropertyValue(&ep->variables[ESP_SESSION_OBJ],
"PRIVILEGE", mprCreateStringVar("ADMIN", 0));
} else {
mprSetPropertyValue(&ep->variables[ESP_SESSION_OBJ],
"PRIVILEGE", mprCreateStringVar("USER", 0));
}
espSetReturn(ep, mprCreateIntegerVar(0));
} else {
if (mprGetProperty(&ep->variables[ESP_SESSION_OBJ], "AUTHENTICATED", 0) != 0) {
mprDeleteProperty(&ep->variables[ESP_SESSION_OBJ], "AUTHENTICATED");
}
espSetReturn(ep, mprCreateIntegerVar(-1));
}
done:
talloc_free(tmp_ctx);
return ret;
}
/*
setup the C functions that be called from ejs
*/
void http_setup_ejs_functions(void)
{
espDefineCFunction(NULL, "unixAuth", esp_unixAuth, NULL);
}
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