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#/usr/bin/env perl
# $Id$
# Start sshd for use in the SCP and SFTP curl test harness tests
# Options:
# -u user
# -v
# target_port
use strict;
use File::Spec;
my $verbose=0; # set to 1 for debugging
my $port = 8999; # just our default, weird enough
my $path = `pwd`;
chomp $path;
my $exeext;
if ($^O eq 'MSWin32' || $^O eq 'cygwin' || $^O eq 'msys' || $^O eq 'dos' || $^O eq 'os2') {
$exeext = '.exe';
}
# Where to look for sftp-server
my @sftppath=qw(/usr/lib/openssh /usr/libexec/openssh /usr/libexec /usr/local/libexec /opt/local/libexec /usr/lib/ssh /usr/libexec/ssh /usr/sbin /usr/lib /usr/lib/ssh/openssh /usr/lib64/ssh);
my $username = $ENV{USER};
# Find a file somewhere in the given path
sub searchpath {
my $fn = $_[0] . $exeext;
shift;
my @path = @_;
foreach (@path) {
my $file = File::Spec->catfile($_, $fn);
if (-e $file) {
return $file;
}
}
}
# Parse options
do {
if($ARGV[0] eq "-v") {
$verbose=1;
}
elsif($ARGV[0] eq "-u") {
$username=$ARGV[1];
shift @ARGV;
}
elsif($ARGV[0] =~ /^(\d+)$/) {
$port = $1;
}
} while(shift @ARGV);
my $conffile="curl_sshd_config"; # sshd configuration data
# Search the PATH for sshd. sshd insists on being called with an absolute
# path for some reason.
my $sshd = searchpath("sshd", File::Spec->path());
if (!$sshd) {
print "sshd is not available\n";
exit 1;
}
if ($verbose) {
print STDERR "SSH server found at $sshd\n";
}
my $sftp = searchpath("sftp-server", @sftppath);
if (!$sftp) {
print "Could not find sftp-server plugin\n";
exit 1;
}
if ($verbose) {
print STDERR "SFTP server plugin found at $sftp\n";
}
if (! -e "curl_client_key.pub") {
if ($verbose) {
print STDERR "Generating host and client keys...\n";
}
# Make sure all files are gone so ssh-keygen doesn't complain
unlink("curl_host_dsa_key", "curl_client_key","curl_host_dsa_key.pub", "curl_client_key.pub");
system "ssh-keygen -q -t dsa -f curl_host_dsa_key -C 'curl test server' -N ''" and die "Could not generate key";
system "ssh-keygen -q -t dsa -f curl_client_key -C 'curl test client' -N ''" and die "Could not generate key";
}
open(FILE, ">$conffile") || die "Could not write $conffile";
print FILE <<EOF
# This is a generated file! Do not edit!
# OpenSSH sshd configuration file for curl testing
AllowUsers $username
AuthorizedKeysFile $path/curl_client_key.pub
HostKey $path/curl_host_dsa_key
PidFile $path/.ssh.pid
Port $port
ListenAddress localhost
Protocol 2
AllowTcpForwarding no
HostbasedAuthentication no
IgnoreRhosts yes
IgnoreUserKnownHosts yes
KeepAlive no
PasswordAuthentication no
PermitEmptyPasswords no
PermitRootLogin no
PrintLastLog no
PrintMotd no
StrictModes no
Subsystem sftp $sftp
UseLogin no
X11Forwarding no
# Newer OpenSSH options
UsePam no
UseDNS no
ChallengeResponseAuthentication no
EOF
;
close FILE;
if (system "$sshd -t -q -f $conffile") {
# This is likely due to missing support for UsePam
print "$sshd is too old and is not supported\n";
unlink $conffile;
exit 1;
}
# Start the server
my $rc = system "$sshd -e -f $conffile > log/ssh.log 2>&1";
$rc >>= 8;
if($rc) {
print STDERR "$sshd exited with $rc!\n";
}
unlink $conffile;
exit $rc;
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