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/* twoftpd-switch.c - Switch between the three twoftpd back-ends.
* Copyright (C) 2005 Bruce Guenter <bruceg@em.ca>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <sysdeps.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "twoftpd.h"
#include "conf_bin.c"
const char program[] = "twoftpd-switch";
const int msg_show_pid = 1;
static void exec(const char* name)
{
char cmd[sizeof conf_bin + 13];
char* argv[2] = { cmd, 0 };
strcpy(cmd, conf_bin);
strcpy(cmd + sizeof conf_bin - 1, "/twoftpd-");
strcpy(cmd + sizeof conf_bin + 8, name);
execv(cmd, argv);
respond_syserr(421, "Could not exec backend");
_exit(111);
}
int main(void)
{
const char *shell;
const char *env;
if ((shell = getenv("SHELL")) != 0) {
if ((env = getenv("SHELL_WRITEONLY")) != 0
&& strcmp(shell, env) == 0)
exec("drop");
if ((env = getenv("SHELL_READONLY")) != 0
&& strcmp(shell, env) == 0)
exec("anon");
}
exec("xfer");
return 111;
}
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