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twoftpd-anon-conf.c
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twoftpd-anon-conf.c
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/* twoftpd-conf.c - Configure a new instance of twoftpd auth/xfer
* Copyright (C) 2008 Bruce Guenter <bruce@untroubled.org>
*
* 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 <pwd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "conf.h"
#include "conf_bin.c"
#include <iobuf/iobuf.h>
#include <msg/msg.h>
const char program[] = "twoftpd-anon-conf";
static const char usage_str[] =
"usage: twoftpd-anon-conf ftpacct logacct /twoftpd /var/log/twoftpd /ftp [ip]\n";
void usage(const char* msg)
{
if (msg)
obuf_put4s(&outbuf, program, ": ", msg, ".\n");
obuf_puts(&outbuf, usage_str);
obuf_flush(&outbuf);
exit(1);
}
static long ftpuid;
static long ftpgid;
static long loguid;
static long loggid;
static const char* logname;
static const char* maindir;
static const char* logdir;
static const char* ftpdir;
static const char* ip = "0.0.0.0";
int main(int argc, char* argv[])
{
struct passwd* pw;
if (argc < 6) usage("Too few parameters");
if (argc > 7) usage("Too many parameters");
if ((pw = getpwnam(argv[1])) == 0) die1(1, "Unknown ftpacct user name");
ftpuid = pw->pw_uid;
ftpgid = pw->pw_gid;
if ((pw = getpwnam(argv[2])) == 0) die1(1, "Unknown logacct user name");
loguid = pw->pw_uid;
loggid = pw->pw_gid;
logname = pw->pw_name;
maindir = argv[3];
logdir = argv[4];
ftpdir = argv[5];
if (maindir[0] != '/' || logdir[0] != '/' || ftpdir[0] != '/')
die1(1, "Directory names must start with /.");
if (argc > 6) {
ip = argv[6];
}
umask(0);
if (mkdir(maindir, 0755) == -1) die1sys(1, "Error creating main directory");
if (chmod(maindir, 01755) == -1)
die1sys(1, "Error setting permissions on main directory");
if (mkdir(logdir, 0700) == -1) die1sys(1, "Error creating log directory");
if (chown(logdir, loguid, loggid) == -1)
die1sys(1, "Error setting owner on log directory");
if (chdir(maindir) == -1) die1sys(1, "Error changing to main directory");
if (mkdir("log", 0755) == -1)
die1sys(1, "Error creating log service directory");
if (mkdir("env", 0755) == -1)
die1sys(1, "Error creating env directory");
make_file("run", 0755,
"#!/bin/sh\n"
"exec 2>&1\n"
"umask 022\n"
"exec \\\n"
"tcpserver -DRHv -llocalhost ", ip, " 21 \\\n"
"softlimit -m 2000000 \\\n"
"envdir ", maindir, "/env \\\n",
conf_bin, "/twoftpd-anon");
make_file("log/run", 0755,
"#!/bin/sh\n"
"exec \\\n"
"setuidgid ", logname, " \\\n"
"multilog t ", logdir, 0, 0, 0);
make_fileu("env/CHROOT", 1);
make_fileu("env/GID", ftpgid);
make_file("env/HOME", 0644, ftpdir, 0, 0, 0, 0, 0, 0);
make_fileu("env/UID", ftpuid);
make_file("env/USER", 0644, "ftp", 0, 0, 0, 0, 0, 0);
make_file("env/GROUP", 0644, "ftp", 0, 0, 0, 0, 0, 0);
return 0;
}