mirror of
https://github.com/moparisthebest/curl
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c1951cdb38
Since the Windows versions of both programs would write Windows PIDs to their pidfiles which we cannot handle, we need to use our known perl.exe Cygwin/msys PID together with exec() in order to tie the spawned processes to the existance of our perl.exe The perl.exe that is executing secureserver.pl and sshserver.pl has a Cygwin/msys PID, because it is started inside Cygwin/msys. Related to #5188
1155 lines
40 KiB
Perl
1155 lines
40 KiB
Perl
#!/usr/bin/env perl
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#***************************************************************************
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# _ _ ____ _
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# Project ___| | | | _ \| |
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# / __| | | | |_) | |
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# | (__| |_| | _ <| |___
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# \___|\___/|_| \_\_____|
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#
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# Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
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#
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# This software is licensed as described in the file COPYING, which
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# you should have received as part of this distribution. The terms
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# are also available at https://curl.haxx.se/docs/copyright.html.
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#
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# You may opt to use, copy, modify, merge, publish, distribute and/or sell
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# copies of the Software, and permit persons to whom the Software is
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# furnished to do so, under the terms of the COPYING file.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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#***************************************************************************
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# Starts sshd for use in the SCP and SFTP curl test harness tests.
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# Also creates the ssh configuration files needed for these tests.
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use strict;
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use warnings;
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use Cwd;
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use Cwd 'abs_path';
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use Digest::MD5;
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use Digest::MD5 'md5_hex';
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use MIME::Base64;
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#***************************************************************************
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# Variables and subs imported from sshhelp module
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#
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use sshhelp qw(
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$sshdexe
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$sshexe
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$sftpsrvexe
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$sftpexe
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$sshkeygenexe
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$sshdconfig
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$sshconfig
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$sftpconfig
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$knownhosts
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$sshdlog
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$sshlog
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$sftplog
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$sftpcmds
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$hstprvkeyf
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$hstpubkeyf
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$hstpubmd5f
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$cliprvkeyf
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$clipubkeyf
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display_sshdconfig
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display_sshconfig
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display_sftpconfig
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display_sshdlog
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display_sshlog
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display_sftplog
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dump_array
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find_sshd
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find_ssh
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find_sftpsrv
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find_sftp
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find_sshkeygen
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logmsg
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sshversioninfo
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);
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#***************************************************************************
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# Subs imported from serverhelp module
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#
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use serverhelp qw(
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server_pidfilename
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server_logfilename
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);
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use pathhelp;
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#***************************************************************************
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my $verbose = 0; # set to 1 for debugging
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my $debugprotocol = 0; # set to 1 for protocol debugging
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my $port = 8999; # our default SCP/SFTP server port
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my $listenaddr = '127.0.0.1'; # default address on which to listen
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my $ipvnum = 4; # default IP version of listener address
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my $idnum = 1; # default ssh daemon instance number
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my $proto = 'ssh'; # protocol the ssh daemon speaks
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my $path = getcwd(); # current working directory
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my $logdir = $path .'/log'; # directory for log files
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my $username = $ENV{USER}; # default user
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my $pidfile; # ssh daemon pid file
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my $identity = 'curl_client_key'; # default identity file
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my $error;
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my @cfgarr;
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#***************************************************************************
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# Parse command line options
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#
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while(@ARGV) {
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if($ARGV[0] eq '--verbose') {
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$verbose = 1;
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}
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elsif($ARGV[0] eq '--debugprotocol') {
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$verbose = 1;
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$debugprotocol = 1;
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}
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elsif($ARGV[0] eq '--user') {
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if($ARGV[1]) {
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$username = $ARGV[1];
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shift @ARGV;
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}
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}
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elsif($ARGV[0] eq '--id') {
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if($ARGV[1]) {
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if($ARGV[1] =~ /^(\d+)$/) {
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$idnum = $1 if($1 > 0);
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shift @ARGV;
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}
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}
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}
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elsif($ARGV[0] eq '--ipv4') {
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$ipvnum = 4;
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$listenaddr = '127.0.0.1' if($listenaddr eq '::1');
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}
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elsif($ARGV[0] eq '--ipv6') {
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$ipvnum = 6;
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$listenaddr = '::1' if($listenaddr eq '127.0.0.1');
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}
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elsif($ARGV[0] eq '--addr') {
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if($ARGV[1]) {
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my $tmpstr = $ARGV[1];
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if($tmpstr =~ /^(\d\d?\d?)\.(\d\d?\d?)\.(\d\d?\d?)\.(\d\d?\d?)$/) {
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$listenaddr = "$1.$2.$3.$4" if($ipvnum == 4);
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shift @ARGV;
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}
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elsif($ipvnum == 6) {
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$listenaddr = $tmpstr;
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$listenaddr =~ s/^\[(.*)\]$/$1/;
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shift @ARGV;
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}
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}
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}
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elsif($ARGV[0] eq '--pidfile') {
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if($ARGV[1]) {
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$pidfile = "$path/". $ARGV[1];
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shift @ARGV;
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}
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}
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elsif($ARGV[0] eq '--sshport') {
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if($ARGV[1]) {
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if($ARGV[1] =~ /^(\d+)$/) {
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$port = $1;
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shift @ARGV;
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}
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}
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}
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else {
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print STDERR "\nWarning: sshserver.pl unknown parameter: $ARGV[0]\n";
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}
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shift @ARGV;
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}
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#***************************************************************************
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# Default ssh daemon pid file name
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#
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if(!$pidfile) {
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$pidfile = "$path/". server_pidfilename($proto, $ipvnum, $idnum);
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}
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#***************************************************************************
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# ssh and sftp server log file names
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#
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$sshdlog = server_logfilename($logdir, 'ssh', $ipvnum, $idnum);
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$sftplog = server_logfilename($logdir, 'sftp', $ipvnum, $idnum);
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#***************************************************************************
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# Logging level for ssh server and client
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#
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my $loglevel = $debugprotocol?'DEBUG3':'DEBUG2';
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#***************************************************************************
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# Validate username
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#
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if(!$username) {
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$error = 'Will not run ssh server without a user name';
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}
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elsif($username eq 'root') {
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$error = 'Will not run ssh server as root to mitigate security risks';
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}
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if($error) {
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logmsg $error;
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exit 1;
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}
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#***************************************************************************
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# Find out ssh daemon canonical file name
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#
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my $sshd = find_sshd();
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if(!$sshd) {
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logmsg "cannot find $sshdexe";
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exit 1;
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}
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#***************************************************************************
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# Find out ssh daemon version info
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#
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my ($sshdid, $sshdvernum, $sshdverstr, $sshderror) = sshversioninfo($sshd);
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if(!$sshdid) {
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# Not an OpenSSH or SunSSH ssh daemon
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logmsg $sshderror if($verbose);
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logmsg 'SCP and SFTP tests require OpenSSH 2.9.9 or later';
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exit 1;
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}
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logmsg "ssh server found $sshd is $sshdverstr" if($verbose);
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#***************************************************************************
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# ssh daemon command line options we might use and version support
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#
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# -e: log stderr : OpenSSH 2.9.0 and later
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# -f: sshd config file : OpenSSH 1.2.1 and later
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# -D: no daemon forking : OpenSSH 2.5.0 and later
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# -o: command-line option : OpenSSH 3.1.0 and later
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# -t: test config file : OpenSSH 2.9.9 and later
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# -?: sshd version info : OpenSSH 1.2.1 and later
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#
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# -e: log stderr : SunSSH 1.0.0 and later
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# -f: sshd config file : SunSSH 1.0.0 and later
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# -D: no daemon forking : SunSSH 1.0.0 and later
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# -o: command-line option : SunSSH 1.0.0 and later
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# -t: test config file : SunSSH 1.0.0 and later
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# -?: sshd version info : SunSSH 1.0.0 and later
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#***************************************************************************
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# Verify minimum ssh daemon version
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#
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if((($sshdid =~ /OpenSSH/) && ($sshdvernum < 299)) ||
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(($sshdid =~ /SunSSH/) && ($sshdvernum < 100))) {
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logmsg 'SCP and SFTP tests require OpenSSH 2.9.9 or later';
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exit 1;
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}
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#***************************************************************************
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# Find out sftp server plugin canonical file name
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#
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my $sftpsrv = find_sftpsrv();
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if(!$sftpsrv) {
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logmsg "cannot find $sftpsrvexe";
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exit 1;
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}
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logmsg "sftp server plugin found $sftpsrv" if($verbose);
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#***************************************************************************
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# Find out sftp client canonical file name
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#
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my $sftp = find_sftp();
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if(!$sftp) {
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logmsg "cannot find $sftpexe";
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exit 1;
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}
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logmsg "sftp client found $sftp" if($verbose);
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#***************************************************************************
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# Find out ssh keygen canonical file name
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#
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my $sshkeygen = find_sshkeygen();
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if(!$sshkeygen) {
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logmsg "cannot find $sshkeygenexe";
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exit 1;
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}
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logmsg "ssh keygen found $sshkeygen" if($verbose);
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#***************************************************************************
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# Find out ssh client canonical file name
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#
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my $ssh = find_ssh();
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if(!$ssh) {
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logmsg "cannot find $sshexe";
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exit 1;
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}
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#***************************************************************************
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# Find out ssh client version info
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#
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my ($sshid, $sshvernum, $sshverstr, $ssherror) = sshversioninfo($ssh);
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if(!$sshid) {
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# Not an OpenSSH or SunSSH ssh client
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logmsg $ssherror if($verbose);
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logmsg 'SCP and SFTP tests require OpenSSH 2.9.9 or later';
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exit 1;
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}
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logmsg "ssh client found $ssh is $sshverstr" if($verbose);
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#***************************************************************************
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# ssh client command line options we might use and version support
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#
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# -D: dynamic app port forwarding : OpenSSH 2.9.9 and later
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# -F: ssh config file : OpenSSH 2.9.9 and later
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# -N: no shell/command : OpenSSH 2.1.0 and later
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# -p: connection port : OpenSSH 1.2.1 and later
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# -v: verbose messages : OpenSSH 1.2.1 and later
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# -vv: increase verbosity : OpenSSH 2.3.0 and later
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# -V: ssh version info : OpenSSH 1.2.1 and later
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#
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# -D: dynamic app port forwarding : SunSSH 1.0.0 and later
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# -F: ssh config file : SunSSH 1.0.0 and later
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# -N: no shell/command : SunSSH 1.0.0 and later
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# -p: connection port : SunSSH 1.0.0 and later
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# -v: verbose messages : SunSSH 1.0.0 and later
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# -vv: increase verbosity : SunSSH 1.0.0 and later
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# -V: ssh version info : SunSSH 1.0.0 and later
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#***************************************************************************
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# Verify minimum ssh client version
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#
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if((($sshid =~ /OpenSSH/) && ($sshvernum < 299)) ||
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(($sshid =~ /SunSSH/) && ($sshvernum < 100))) {
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logmsg 'SCP and SFTP tests require OpenSSH 2.9.9 or later';
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exit 1;
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}
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#***************************************************************************
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# ssh keygen command line options we actually use and version support
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#
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# -C: identity comment : OpenSSH 1.2.1 and later
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# -f: key filename : OpenSSH 1.2.1 and later
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# -N: new passphrase : OpenSSH 1.2.1 and later
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# -q: quiet keygen : OpenSSH 1.2.1 and later
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# -t: key type : OpenSSH 2.5.0 and later
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#
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# -C: identity comment : SunSSH 1.0.0 and later
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# -f: key filename : SunSSH 1.0.0 and later
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# -N: new passphrase : SunSSH 1.0.0 and later
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# -q: quiet keygen : SunSSH 1.0.0 and later
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# -t: key type : SunSSH 1.0.0 and later
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#***************************************************************************
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# Generate host and client key files for curl's tests
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#
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if((! -e $hstprvkeyf) || (! -s $hstprvkeyf) ||
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(! -e $hstpubkeyf) || (! -s $hstpubkeyf) ||
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(! -e $hstpubmd5f) || (! -s $hstpubmd5f) ||
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(! -e $cliprvkeyf) || (! -s $cliprvkeyf) ||
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(! -e $clipubkeyf) || (! -s $clipubkeyf)) {
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# Make sure all files are gone so ssh-keygen doesn't complain
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unlink($hstprvkeyf, $hstpubkeyf, $hstpubmd5f, $cliprvkeyf, $clipubkeyf);
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logmsg 'generating host keys...' if($verbose);
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if(system "\"$sshkeygen\" -q -t rsa -f $hstprvkeyf -C 'curl test server' -N ''") {
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logmsg 'Could not generate host key';
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exit 1;
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}
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logmsg 'generating client keys...' if($verbose);
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if(system "\"$sshkeygen\" -q -t rsa -f $cliprvkeyf -C 'curl test client' -N ''") {
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logmsg 'Could not generate client key';
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exit 1;
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}
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# Make sure that permissions are restricted so openssh doesn't complain
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system "chmod 600 $hstprvkeyf";
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system "chmod 600 $cliprvkeyf";
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# Save md5 hash of public host key
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open(RSAKEYFILE, "<$hstpubkeyf");
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my @rsahostkey = do { local $/ = ' '; <RSAKEYFILE> };
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close(RSAKEYFILE);
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if(!$rsahostkey[1]) {
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logmsg 'Failed parsing base64 encoded RSA host key';
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exit 1;
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}
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open(PUBMD5FILE, ">$hstpubmd5f");
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print PUBMD5FILE md5_hex(decode_base64($rsahostkey[1]));
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close(PUBMD5FILE);
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if((! -e $hstpubmd5f) || (! -s $hstpubmd5f)) {
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logmsg 'Failed writing md5 hash of RSA host key';
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exit 1;
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}
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}
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#***************************************************************************
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# Convert paths for curl's tests running on Windows with Cygwin/Msys OpenSSH
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#
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my $clipubkeyf_config = abs_path("$path/$clipubkeyf");
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my $hstprvkeyf_config = abs_path("$path/$hstprvkeyf");
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my $pidfile_config = $pidfile;
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my $sftpsrv_config = $sftpsrv;
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if (pathhelp::os_is_win()) {
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# Ensure to use MinGW/Cygwin paths
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$clipubkeyf_config = pathhelp::build_sys_abs_path($clipubkeyf_config);
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$hstprvkeyf_config = pathhelp::build_sys_abs_path($hstprvkeyf_config);
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$pidfile_config = pathhelp::build_sys_abs_path($pidfile_config);
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$sftpsrv_config = "internal-sftp";
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}
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if ($sshdid =~ /OpenSSH-Windows/) {
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# Ensure to use native Windows paths with OpenSSH for Windows
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$clipubkeyf_config = pathhelp::sys_native_abs_path($clipubkeyf);
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$hstprvkeyf_config = pathhelp::sys_native_abs_path($hstprvkeyf);
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$pidfile_config = pathhelp::sys_native_abs_path($pidfile);
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$sftpsrv_config = pathhelp::sys_native_abs_path($sftpsrv);
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$sshdconfig = pathhelp::sys_native_abs_path($sshdconfig);
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$sshconfig = pathhelp::sys_native_abs_path($sshconfig);
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$sftpconfig = pathhelp::sys_native_abs_path($sftpconfig);
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}
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#***************************************************************************
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# ssh daemon configuration file options we might use and version support
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#
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# AFSTokenPassing : OpenSSH 1.2.1 and later [1]
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# AcceptEnv : OpenSSH 3.9.0 and later
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# AddressFamily : OpenSSH 4.0.0 and later
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# AllowGroups : OpenSSH 1.2.1 and later
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# AllowTcpForwarding : OpenSSH 2.3.0 and later
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# AllowUsers : OpenSSH 1.2.1 and later
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# AuthorizedKeysFile : OpenSSH 2.9.9 and later
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# AuthorizedKeysFile2 : OpenSSH 2.9.9 and later
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# Banner : OpenSSH 2.5.0 and later
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# ChallengeResponseAuthentication : OpenSSH 2.5.0 and later
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# Ciphers : OpenSSH 2.1.0 and later [3]
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# ClientAliveCountMax : OpenSSH 2.9.0 and later
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# ClientAliveInterval : OpenSSH 2.9.0 and later
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# Compression : OpenSSH 3.3.0 and later
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# DenyGroups : OpenSSH 1.2.1 and later
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# DenyUsers : OpenSSH 1.2.1 and later
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# ForceCommand : OpenSSH 4.4.0 and later [3]
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# GatewayPorts : OpenSSH 2.1.0 and later
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# GSSAPIAuthentication : OpenSSH 3.7.0 and later [1]
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# GSSAPICleanupCredentials : OpenSSH 3.8.0 and later [1]
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# GSSAPIKeyExchange : SunSSH 1.0.0 and later [1]
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# GSSAPIStoreDelegatedCredentials : SunSSH 1.0.0 and later [1]
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# GSSCleanupCreds : SunSSH 1.0.0 and later [1]
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# GSSUseSessionCredCache : SunSSH 1.0.0 and later [1]
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# HostbasedAuthentication : OpenSSH 2.9.0 and later
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# HostbasedUsesNameFromPacketOnly : OpenSSH 2.9.0 and later
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# HostKey : OpenSSH 1.2.1 and later
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# IgnoreRhosts : OpenSSH 1.2.1 and later
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# IgnoreUserKnownHosts : OpenSSH 1.2.1 and later
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# KbdInteractiveAuthentication : OpenSSH 2.3.0 and later
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# KeepAlive : OpenSSH 1.2.1 and later
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# KerberosAuthentication : OpenSSH 1.2.1 and later [1]
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# KerberosGetAFSToken : OpenSSH 3.8.0 and later [1]
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# KerberosOrLocalPasswd : OpenSSH 1.2.1 and later [1]
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# KerberosTgtPassing : OpenSSH 1.2.1 and later [1]
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# KerberosTicketCleanup : OpenSSH 1.2.1 and later [1]
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# KeyRegenerationInterval : OpenSSH 1.2.1 and later
|
|
# ListenAddress : OpenSSH 1.2.1 and later
|
|
# LoginGraceTime : OpenSSH 1.2.1 and later
|
|
# LogLevel : OpenSSH 1.2.1 and later
|
|
# LookupClientHostnames : SunSSH 1.0.0 and later
|
|
# MACs : OpenSSH 2.5.0 and later [3]
|
|
# Match : OpenSSH 4.4.0 and later [3]
|
|
# MaxAuthTries : OpenSSH 3.9.0 and later
|
|
# MaxStartups : OpenSSH 2.2.0 and later
|
|
# PAMAuthenticationViaKbdInt : OpenSSH 2.9.0 and later [2]
|
|
# PasswordAuthentication : OpenSSH 1.2.1 and later
|
|
# PermitEmptyPasswords : OpenSSH 1.2.1 and later
|
|
# PermitOpen : OpenSSH 4.4.0 and later [3]
|
|
# PermitRootLogin : OpenSSH 1.2.1 and later
|
|
# PermitTunnel : OpenSSH 4.3.0 and later
|
|
# PermitUserEnvironment : OpenSSH 3.5.0 and later
|
|
# PidFile : OpenSSH 2.1.0 and later
|
|
# Port : OpenSSH 1.2.1 and later
|
|
# PrintLastLog : OpenSSH 2.9.0 and later
|
|
# PrintMotd : OpenSSH 1.2.1 and later
|
|
# Protocol : OpenSSH 2.1.0 and later
|
|
# PubkeyAuthentication : OpenSSH 2.5.0 and later
|
|
# RhostsAuthentication : OpenSSH 1.2.1 and later
|
|
# RhostsRSAAuthentication : OpenSSH 1.2.1 and later
|
|
# RSAAuthentication : OpenSSH 1.2.1 and later
|
|
# ServerKeyBits : OpenSSH 1.2.1 and later
|
|
# SkeyAuthentication : OpenSSH 1.2.1 and later [1]
|
|
# StrictModes : OpenSSH 1.2.1 and later
|
|
# Subsystem : OpenSSH 2.2.0 and later
|
|
# SyslogFacility : OpenSSH 1.2.1 and later
|
|
# TCPKeepAlive : OpenSSH 3.8.0 and later
|
|
# UseDNS : OpenSSH 3.7.0 and later
|
|
# UseLogin : OpenSSH 1.2.1 and later
|
|
# UsePAM : OpenSSH 3.7.0 and later [1][2]
|
|
# UsePrivilegeSeparation : OpenSSH 3.2.2 and later
|
|
# VerifyReverseMapping : OpenSSH 3.1.0 and later
|
|
# X11DisplayOffset : OpenSSH 1.2.1 and later [3]
|
|
# X11Forwarding : OpenSSH 1.2.1 and later
|
|
# X11UseLocalhost : OpenSSH 3.1.0 and later
|
|
# XAuthLocation : OpenSSH 2.1.1 and later [3]
|
|
#
|
|
# [1] Option only available if activated at compile time
|
|
# [2] Option specific for portable versions
|
|
# [3] Option not used in our ssh server config file
|
|
|
|
|
|
#***************************************************************************
|
|
# Initialize sshd config with options actually supported in OpenSSH 2.9.9
|
|
#
|
|
logmsg 'generating ssh server config file...' if($verbose);
|
|
@cfgarr = ();
|
|
push @cfgarr, '# This is a generated file. Do not edit.';
|
|
push @cfgarr, "# $sshdverstr sshd configuration file for curl testing";
|
|
push @cfgarr, '#';
|
|
|
|
# AllowUsers and DenyUsers options should use lowercase on Windows
|
|
# and do not support quotes around values for some unknown reason.
|
|
if ($sshdid =~ /OpenSSH-Windows/) {
|
|
my $username_lc = lc $username;
|
|
push @cfgarr, "DenyUsers !$username_lc";
|
|
push @cfgarr, "AllowUsers $username_lc";
|
|
} else {
|
|
push @cfgarr, "DenyUsers !$username";
|
|
push @cfgarr, "AllowUsers $username";
|
|
}
|
|
|
|
push @cfgarr, 'DenyGroups';
|
|
push @cfgarr, 'AllowGroups';
|
|
push @cfgarr, '#';
|
|
push @cfgarr, "AuthorizedKeysFile $clipubkeyf_config";
|
|
push @cfgarr, "AuthorizedKeysFile2 $clipubkeyf_config";
|
|
push @cfgarr, "HostKey $hstprvkeyf_config";
|
|
if ($sshdid !~ /OpenSSH-Windows/) {
|
|
push @cfgarr, "PidFile $pidfile_config";
|
|
}
|
|
push @cfgarr, '#';
|
|
push @cfgarr, "Port $port";
|
|
push @cfgarr, "ListenAddress $listenaddr";
|
|
push @cfgarr, 'Protocol 2';
|
|
push @cfgarr, '#';
|
|
push @cfgarr, 'AllowTcpForwarding yes';
|
|
push @cfgarr, 'Banner none';
|
|
push @cfgarr, 'ChallengeResponseAuthentication no';
|
|
push @cfgarr, 'ClientAliveCountMax 3';
|
|
push @cfgarr, 'ClientAliveInterval 0';
|
|
push @cfgarr, 'GatewayPorts no';
|
|
push @cfgarr, 'HostbasedAuthentication no';
|
|
push @cfgarr, 'HostbasedUsesNameFromPacketOnly no';
|
|
push @cfgarr, 'IgnoreRhosts yes';
|
|
push @cfgarr, 'IgnoreUserKnownHosts yes';
|
|
push @cfgarr, 'KeyRegenerationInterval 0';
|
|
push @cfgarr, 'LoginGraceTime 30';
|
|
push @cfgarr, "LogLevel $loglevel";
|
|
push @cfgarr, 'MaxStartups 5';
|
|
push @cfgarr, 'PasswordAuthentication no';
|
|
push @cfgarr, 'PermitEmptyPasswords no';
|
|
push @cfgarr, 'PermitRootLogin no';
|
|
push @cfgarr, 'PrintLastLog no';
|
|
push @cfgarr, 'PrintMotd no';
|
|
push @cfgarr, 'PubkeyAuthentication yes';
|
|
push @cfgarr, 'RhostsRSAAuthentication no';
|
|
push @cfgarr, 'RSAAuthentication no';
|
|
push @cfgarr, 'ServerKeyBits 768';
|
|
push @cfgarr, 'StrictModes no';
|
|
push @cfgarr, "Subsystem sftp \"$sftpsrv_config\"";
|
|
push @cfgarr, 'SyslogFacility AUTH';
|
|
push @cfgarr, 'UseLogin no';
|
|
push @cfgarr, 'X11Forwarding no';
|
|
push @cfgarr, '#';
|
|
|
|
|
|
#***************************************************************************
|
|
# Write out initial sshd configuration file for curl's tests
|
|
#
|
|
$error = dump_array($sshdconfig, @cfgarr);
|
|
if($error) {
|
|
logmsg $error;
|
|
exit 1;
|
|
}
|
|
|
|
|
|
#***************************************************************************
|
|
# Verifies at run time if sshd supports a given configuration file option
|
|
#
|
|
sub sshd_supports_opt {
|
|
my ($option, $value) = @_;
|
|
my $err;
|
|
#
|
|
if((($sshdid =~ /OpenSSH/) && ($sshdvernum >= 310)) ||
|
|
($sshdid =~ /SunSSH/)) {
|
|
# ssh daemon supports command line options -t -f and -o
|
|
$err = grep /((Unsupported)|(Bad configuration)|(Deprecated)) option.*$option/,
|
|
qx("$sshd" -t -f $sshdconfig -o "$option=$value" 2>&1);
|
|
return !$err;
|
|
}
|
|
if(($sshdid =~ /OpenSSH/) && ($sshdvernum >= 299)) {
|
|
# ssh daemon supports command line options -t and -f
|
|
$err = dump_array($sshdconfig, (@cfgarr, "$option $value"));
|
|
if($err) {
|
|
logmsg $err;
|
|
return 0;
|
|
}
|
|
$err = grep /((Unsupported)|(Bad configuration)|(Deprecated)) option.*$option/,
|
|
qx("$sshd" -t -f $sshdconfig 2>&1);
|
|
unlink $sshdconfig;
|
|
return !$err;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
#***************************************************************************
|
|
# Kerberos Authentication support may have not been built into sshd
|
|
#
|
|
if(sshd_supports_opt('KerberosAuthentication','no')) {
|
|
push @cfgarr, 'KerberosAuthentication no';
|
|
}
|
|
if(sshd_supports_opt('KerberosGetAFSToken','no')) {
|
|
push @cfgarr, 'KerberosGetAFSToken no';
|
|
}
|
|
if(sshd_supports_opt('KerberosOrLocalPasswd','no')) {
|
|
push @cfgarr, 'KerberosOrLocalPasswd no';
|
|
}
|
|
if(sshd_supports_opt('KerberosTgtPassing','no')) {
|
|
push @cfgarr, 'KerberosTgtPassing no';
|
|
}
|
|
if(sshd_supports_opt('KerberosTicketCleanup','yes')) {
|
|
push @cfgarr, 'KerberosTicketCleanup yes';
|
|
}
|
|
|
|
|
|
#***************************************************************************
|
|
# Andrew File System support may have not been built into sshd
|
|
#
|
|
if(sshd_supports_opt('AFSTokenPassing','no')) {
|
|
push @cfgarr, 'AFSTokenPassing no';
|
|
}
|
|
|
|
|
|
#***************************************************************************
|
|
# S/Key authentication support may have not been built into sshd
|
|
#
|
|
if(sshd_supports_opt('SkeyAuthentication','no')) {
|
|
push @cfgarr, 'SkeyAuthentication no';
|
|
}
|
|
|
|
|
|
#***************************************************************************
|
|
# GSSAPI Authentication support may have not been built into sshd
|
|
#
|
|
my $sshd_builtwith_GSSAPI;
|
|
if(sshd_supports_opt('GSSAPIAuthentication','no')) {
|
|
push @cfgarr, 'GSSAPIAuthentication no';
|
|
$sshd_builtwith_GSSAPI = 1;
|
|
}
|
|
if(sshd_supports_opt('GSSAPICleanupCredentials','yes')) {
|
|
push @cfgarr, 'GSSAPICleanupCredentials yes';
|
|
}
|
|
if(sshd_supports_opt('GSSAPIKeyExchange','no')) {
|
|
push @cfgarr, 'GSSAPIKeyExchange no';
|
|
}
|
|
if(sshd_supports_opt('GSSAPIStoreDelegatedCredentials','no')) {
|
|
push @cfgarr, 'GSSAPIStoreDelegatedCredentials no';
|
|
}
|
|
if(sshd_supports_opt('GSSCleanupCreds','yes')) {
|
|
push @cfgarr, 'GSSCleanupCreds yes';
|
|
}
|
|
if(sshd_supports_opt('GSSUseSessionCredCache','no')) {
|
|
push @cfgarr, 'GSSUseSessionCredCache no';
|
|
}
|
|
push @cfgarr, '#';
|
|
|
|
|
|
#***************************************************************************
|
|
# Options that might be supported or not in sshd OpenSSH 2.9.9 and later
|
|
#
|
|
if(sshd_supports_opt('AcceptEnv','')) {
|
|
push @cfgarr, 'AcceptEnv';
|
|
}
|
|
if(sshd_supports_opt('AddressFamily','any')) {
|
|
# Address family must be specified before ListenAddress
|
|
splice @cfgarr, 14, 0, 'AddressFamily any';
|
|
}
|
|
if(sshd_supports_opt('Compression','no')) {
|
|
push @cfgarr, 'Compression no';
|
|
}
|
|
if(sshd_supports_opt('KbdInteractiveAuthentication','no')) {
|
|
push @cfgarr, 'KbdInteractiveAuthentication no';
|
|
}
|
|
if(sshd_supports_opt('KeepAlive','no')) {
|
|
push @cfgarr, 'KeepAlive no';
|
|
}
|
|
if(sshd_supports_opt('LookupClientHostnames','no')) {
|
|
push @cfgarr, 'LookupClientHostnames no';
|
|
}
|
|
if(sshd_supports_opt('MaxAuthTries','10')) {
|
|
push @cfgarr, 'MaxAuthTries 10';
|
|
}
|
|
if(sshd_supports_opt('PAMAuthenticationViaKbdInt','no')) {
|
|
push @cfgarr, 'PAMAuthenticationViaKbdInt no';
|
|
}
|
|
if(sshd_supports_opt('PermitTunnel','no')) {
|
|
push @cfgarr, 'PermitTunnel no';
|
|
}
|
|
if(sshd_supports_opt('PermitUserEnvironment','no')) {
|
|
push @cfgarr, 'PermitUserEnvironment no';
|
|
}
|
|
if(sshd_supports_opt('RhostsAuthentication','no')) {
|
|
push @cfgarr, 'RhostsAuthentication no';
|
|
}
|
|
if(sshd_supports_opt('TCPKeepAlive','no')) {
|
|
push @cfgarr, 'TCPKeepAlive no';
|
|
}
|
|
if(sshd_supports_opt('UseDNS','no')) {
|
|
push @cfgarr, 'UseDNS no';
|
|
}
|
|
if(sshd_supports_opt('UsePAM','no')) {
|
|
push @cfgarr, 'UsePAM no';
|
|
}
|
|
|
|
if($sshdid =~ /OpenSSH/) {
|
|
# http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6492415
|
|
if(sshd_supports_opt('UsePrivilegeSeparation','no')) {
|
|
push @cfgarr, 'UsePrivilegeSeparation no';
|
|
}
|
|
}
|
|
|
|
if(sshd_supports_opt('VerifyReverseMapping','no')) {
|
|
push @cfgarr, 'VerifyReverseMapping no';
|
|
}
|
|
if(sshd_supports_opt('X11UseLocalhost','yes')) {
|
|
push @cfgarr, 'X11UseLocalhost yes';
|
|
}
|
|
push @cfgarr, '#';
|
|
|
|
|
|
#***************************************************************************
|
|
# Write out resulting sshd configuration file for curl's tests
|
|
#
|
|
$error = dump_array($sshdconfig, @cfgarr);
|
|
if($error) {
|
|
logmsg $error;
|
|
exit 1;
|
|
}
|
|
|
|
|
|
#***************************************************************************
|
|
# Verify that sshd actually supports our generated configuration file
|
|
#
|
|
if(system "\"$sshd\" -t -f $sshdconfig > $sshdlog 2>&1") {
|
|
logmsg "sshd configuration file $sshdconfig failed verification";
|
|
display_sshdlog();
|
|
display_sshdconfig();
|
|
exit 1;
|
|
}
|
|
|
|
|
|
#***************************************************************************
|
|
# Generate ssh client host key database file for curl's tests
|
|
#
|
|
if((! -e $knownhosts) || (! -s $knownhosts)) {
|
|
logmsg 'generating ssh client known hosts file...' if($verbose);
|
|
unlink($knownhosts);
|
|
if(open(RSAKEYFILE, "<$hstpubkeyf")) {
|
|
my @rsahostkey = do { local $/ = ' '; <RSAKEYFILE> };
|
|
if(close(RSAKEYFILE)) {
|
|
if(open(KNOWNHOSTS, ">$knownhosts")) {
|
|
print KNOWNHOSTS "$listenaddr ssh-rsa $rsahostkey[1]\n";
|
|
if(!close(KNOWNHOSTS)) {
|
|
$error = "Error: cannot close file $knownhosts";
|
|
}
|
|
}
|
|
else {
|
|
$error = "Error: cannot write file $knownhosts";
|
|
}
|
|
}
|
|
else {
|
|
$error = "Error: cannot close file $hstpubkeyf";
|
|
}
|
|
}
|
|
else {
|
|
$error = "Error: cannot read file $hstpubkeyf";
|
|
}
|
|
if($error) {
|
|
logmsg $error;
|
|
exit 1;
|
|
}
|
|
}
|
|
|
|
|
|
#***************************************************************************
|
|
# Convert paths for curl's tests running on Windows using Cygwin OpenSSH
|
|
#
|
|
my $identity_config = abs_path("$path/$identity");
|
|
my $knownhosts_config = abs_path("$path/$knownhosts");
|
|
|
|
if (pathhelp::os_is_win()) {
|
|
# Ensure to use MinGW/Cygwin paths
|
|
$identity_config = pathhelp::build_sys_abs_path($identity_config);
|
|
$knownhosts_config = pathhelp::build_sys_abs_path($knownhosts_config);
|
|
}
|
|
if ($sshdid =~ /OpenSSH-Windows/) {
|
|
# Ensure to use native Windows paths with OpenSSH for Windows
|
|
$identity_config = pathhelp::sys_native_abs_path($identity);
|
|
$knownhosts_config = pathhelp::sys_native_abs_path($knownhosts);
|
|
}
|
|
|
|
#***************************************************************************
|
|
# ssh client configuration file options we might use and version support
|
|
#
|
|
# AddressFamily : OpenSSH 3.7.0 and later
|
|
# BatchMode : OpenSSH 1.2.1 and later
|
|
# BindAddress : OpenSSH 2.9.9 and later
|
|
# ChallengeResponseAuthentication : OpenSSH 2.5.0 and later
|
|
# CheckHostIP : OpenSSH 1.2.1 and later
|
|
# Cipher : OpenSSH 1.2.1 and later [3]
|
|
# Ciphers : OpenSSH 2.1.0 and later [3]
|
|
# ClearAllForwardings : OpenSSH 2.9.9 and later
|
|
# Compression : OpenSSH 1.2.1 and later
|
|
# CompressionLevel : OpenSSH 1.2.1 and later [3]
|
|
# ConnectionAttempts : OpenSSH 1.2.1 and later
|
|
# ConnectTimeout : OpenSSH 3.7.0 and later
|
|
# ControlMaster : OpenSSH 3.9.0 and later
|
|
# ControlPath : OpenSSH 3.9.0 and later
|
|
# DisableBanner : SunSSH 1.2.0 and later
|
|
# DynamicForward : OpenSSH 2.9.0 and later
|
|
# EnableSSHKeysign : OpenSSH 3.6.0 and later
|
|
# EscapeChar : OpenSSH 1.2.1 and later [3]
|
|
# ExitOnForwardFailure : OpenSSH 4.4.0 and later
|
|
# ForwardAgent : OpenSSH 1.2.1 and later
|
|
# ForwardX11 : OpenSSH 1.2.1 and later
|
|
# ForwardX11Trusted : OpenSSH 3.8.0 and later
|
|
# GatewayPorts : OpenSSH 1.2.1 and later
|
|
# GlobalKnownHostsFile : OpenSSH 1.2.1 and later
|
|
# GSSAPIAuthentication : OpenSSH 3.7.0 and later [1]
|
|
# GSSAPIDelegateCredentials : OpenSSH 3.7.0 and later [1]
|
|
# HashKnownHosts : OpenSSH 4.0.0 and later
|
|
# Host : OpenSSH 1.2.1 and later
|
|
# HostbasedAuthentication : OpenSSH 2.9.0 and later
|
|
# HostKeyAlgorithms : OpenSSH 2.9.0 and later [3]
|
|
# HostKeyAlias : OpenSSH 2.5.0 and later [3]
|
|
# HostName : OpenSSH 1.2.1 and later
|
|
# IdentitiesOnly : OpenSSH 3.9.0 and later
|
|
# IdentityFile : OpenSSH 1.2.1 and later
|
|
# IgnoreIfUnknown : SunSSH 1.2.0 and later
|
|
# KeepAlive : OpenSSH 1.2.1 and later
|
|
# KbdInteractiveAuthentication : OpenSSH 2.3.0 and later
|
|
# KbdInteractiveDevices : OpenSSH 2.3.0 and later [3]
|
|
# LocalCommand : OpenSSH 4.3.0 and later [3]
|
|
# LocalForward : OpenSSH 1.2.1 and later [3]
|
|
# LogLevel : OpenSSH 1.2.1 and later
|
|
# MACs : OpenSSH 2.5.0 and later [3]
|
|
# NoHostAuthenticationForLocalhost : OpenSSH 3.0.0 and later
|
|
# NumberOfPasswordPrompts : OpenSSH 1.2.1 and later
|
|
# PasswordAuthentication : OpenSSH 1.2.1 and later
|
|
# PermitLocalCommand : OpenSSH 4.3.0 and later
|
|
# Port : OpenSSH 1.2.1 and later
|
|
# PreferredAuthentications : OpenSSH 2.5.2 and later
|
|
# Protocol : OpenSSH 2.1.0 and later
|
|
# ProxyCommand : OpenSSH 1.2.1 and later [3]
|
|
# PubkeyAuthentication : OpenSSH 2.5.0 and later
|
|
# RekeyLimit : OpenSSH 3.7.0 and later
|
|
# RemoteForward : OpenSSH 1.2.1 and later [3]
|
|
# RhostsRSAAuthentication : OpenSSH 1.2.1 and later
|
|
# RSAAuthentication : OpenSSH 1.2.1 and later
|
|
# SendEnv : OpenSSH 3.9.0 and later
|
|
# ServerAliveCountMax : OpenSSH 3.8.0 and later
|
|
# ServerAliveInterval : OpenSSH 3.8.0 and later
|
|
# SmartcardDevice : OpenSSH 2.9.9 and later [1][3]
|
|
# StrictHostKeyChecking : OpenSSH 1.2.1 and later
|
|
# TCPKeepAlive : OpenSSH 3.8.0 and later
|
|
# Tunnel : OpenSSH 4.3.0 and later
|
|
# TunnelDevice : OpenSSH 4.3.0 and later [3]
|
|
# UsePAM : OpenSSH 3.7.0 and later [1][2][3]
|
|
# UsePrivilegedPort : OpenSSH 1.2.1 and later
|
|
# User : OpenSSH 1.2.1 and later
|
|
# UserKnownHostsFile : OpenSSH 1.2.1 and later
|
|
# VerifyHostKeyDNS : OpenSSH 3.8.0 and later
|
|
# XAuthLocation : OpenSSH 2.1.1 and later [3]
|
|
#
|
|
# [1] Option only available if activated at compile time
|
|
# [2] Option specific for portable versions
|
|
# [3] Option not used in our ssh client config file
|
|
|
|
|
|
#***************************************************************************
|
|
# Initialize ssh config with options actually supported in OpenSSH 2.9.9
|
|
#
|
|
logmsg 'generating ssh client config file...' if($verbose);
|
|
@cfgarr = ();
|
|
push @cfgarr, '# This is a generated file. Do not edit.';
|
|
push @cfgarr, "# $sshverstr ssh client configuration file for curl testing";
|
|
push @cfgarr, '#';
|
|
push @cfgarr, 'Host *';
|
|
push @cfgarr, '#';
|
|
push @cfgarr, "Port $port";
|
|
push @cfgarr, "HostName $listenaddr";
|
|
push @cfgarr, "User $username";
|
|
push @cfgarr, 'Protocol 2';
|
|
push @cfgarr, '#';
|
|
|
|
# BindAddress option is not supported by OpenSSH for Windows
|
|
if (!($sshdid =~ /OpenSSH-Windows/)) {
|
|
push @cfgarr, "BindAddress $listenaddr";
|
|
}
|
|
|
|
push @cfgarr, '#';
|
|
push @cfgarr, "IdentityFile $identity_config";
|
|
push @cfgarr, "UserKnownHostsFile $knownhosts_config";
|
|
push @cfgarr, '#';
|
|
push @cfgarr, 'BatchMode yes';
|
|
push @cfgarr, 'ChallengeResponseAuthentication no';
|
|
push @cfgarr, 'CheckHostIP no';
|
|
push @cfgarr, 'ClearAllForwardings no';
|
|
push @cfgarr, 'Compression no';
|
|
push @cfgarr, 'ConnectionAttempts 3';
|
|
push @cfgarr, 'ForwardAgent no';
|
|
push @cfgarr, 'ForwardX11 no';
|
|
push @cfgarr, 'GatewayPorts no';
|
|
push @cfgarr, 'GlobalKnownHostsFile /dev/null';
|
|
push @cfgarr, 'HostbasedAuthentication no';
|
|
push @cfgarr, 'KbdInteractiveAuthentication no';
|
|
push @cfgarr, "LogLevel $loglevel";
|
|
push @cfgarr, 'NumberOfPasswordPrompts 0';
|
|
push @cfgarr, 'PasswordAuthentication no';
|
|
push @cfgarr, 'PreferredAuthentications publickey';
|
|
push @cfgarr, 'PubkeyAuthentication yes';
|
|
|
|
# RSA authentication options are not supported by OpenSSH for Windows
|
|
if (!($sshdid =~ /OpenSSH-Windows/)) {
|
|
push @cfgarr, 'RhostsRSAAuthentication no';
|
|
push @cfgarr, 'RSAAuthentication no';
|
|
}
|
|
|
|
# Disabled StrictHostKeyChecking since it makes the tests fail on my
|
|
# OpenSSH_6.0p1 on Debian Linux / Daniel
|
|
push @cfgarr, 'StrictHostKeyChecking no';
|
|
push @cfgarr, 'UsePrivilegedPort no';
|
|
push @cfgarr, '#';
|
|
|
|
|
|
#***************************************************************************
|
|
# Options supported in ssh client newer than OpenSSH 2.9.9
|
|
#
|
|
|
|
if(($sshid =~ /OpenSSH/) && ($sshvernum >= 370)) {
|
|
push @cfgarr, 'AddressFamily any';
|
|
}
|
|
|
|
if((($sshid =~ /OpenSSH/) && ($sshvernum >= 370)) ||
|
|
(($sshid =~ /SunSSH/) && ($sshvernum >= 120))) {
|
|
push @cfgarr, 'ConnectTimeout 30';
|
|
}
|
|
|
|
if(($sshid =~ /OpenSSH/) && ($sshvernum >= 390)) {
|
|
push @cfgarr, 'ControlMaster no';
|
|
}
|
|
|
|
if(($sshid =~ /OpenSSH/) && ($sshvernum >= 420)) {
|
|
push @cfgarr, 'ControlPath none';
|
|
}
|
|
|
|
if(($sshid =~ /SunSSH/) && ($sshvernum >= 120)) {
|
|
push @cfgarr, 'DisableBanner yes';
|
|
}
|
|
|
|
if(($sshid =~ /OpenSSH/) && ($sshvernum >= 360)) {
|
|
push @cfgarr, 'EnableSSHKeysign no';
|
|
}
|
|
|
|
if(($sshid =~ /OpenSSH/) && ($sshvernum >= 440)) {
|
|
push @cfgarr, 'ExitOnForwardFailure yes';
|
|
}
|
|
|
|
if((($sshid =~ /OpenSSH/) && ($sshvernum >= 380)) ||
|
|
(($sshid =~ /SunSSH/) && ($sshvernum >= 120))) {
|
|
push @cfgarr, 'ForwardX11Trusted no';
|
|
}
|
|
|
|
if(($sshd_builtwith_GSSAPI) && ($sshdid eq $sshid) &&
|
|
($sshdvernum == $sshvernum)) {
|
|
push @cfgarr, 'GSSAPIAuthentication no';
|
|
push @cfgarr, 'GSSAPIDelegateCredentials no';
|
|
if($sshid =~ /SunSSH/) {
|
|
push @cfgarr, 'GSSAPIKeyExchange no';
|
|
}
|
|
}
|
|
|
|
if((($sshid =~ /OpenSSH/) && ($sshvernum >= 400)) ||
|
|
(($sshid =~ /SunSSH/) && ($sshvernum >= 120))) {
|
|
push @cfgarr, 'HashKnownHosts no';
|
|
}
|
|
|
|
if(($sshid =~ /OpenSSH/) && ($sshvernum >= 390)) {
|
|
push @cfgarr, 'IdentitiesOnly yes';
|
|
}
|
|
|
|
if(($sshid =~ /SunSSH/) && ($sshvernum >= 120)) {
|
|
push @cfgarr, 'IgnoreIfUnknown no';
|
|
}
|
|
|
|
if((($sshid =~ /OpenSSH/) && ($sshvernum < 380)) ||
|
|
($sshid =~ /SunSSH/)) {
|
|
push @cfgarr, 'KeepAlive no';
|
|
}
|
|
|
|
if((($sshid =~ /OpenSSH/) && ($sshvernum >= 300)) ||
|
|
($sshid =~ /SunSSH/)) {
|
|
push @cfgarr, 'NoHostAuthenticationForLocalhost no';
|
|
}
|
|
|
|
if(($sshid =~ /OpenSSH/) && ($sshvernum >= 430)) {
|
|
push @cfgarr, 'PermitLocalCommand no';
|
|
}
|
|
|
|
if((($sshid =~ /OpenSSH/) && ($sshvernum >= 370)) ||
|
|
(($sshid =~ /SunSSH/) && ($sshvernum >= 120))) {
|
|
push @cfgarr, 'RekeyLimit 1G';
|
|
}
|
|
|
|
if(($sshid =~ /OpenSSH/) && ($sshvernum >= 390)) {
|
|
push @cfgarr, 'SendEnv';
|
|
}
|
|
|
|
if((($sshid =~ /OpenSSH/) && ($sshvernum >= 380)) ||
|
|
(($sshid =~ /SunSSH/) && ($sshvernum >= 120))) {
|
|
push @cfgarr, 'ServerAliveCountMax 3';
|
|
push @cfgarr, 'ServerAliveInterval 0';
|
|
}
|
|
|
|
if(($sshid =~ /OpenSSH/) && ($sshvernum >= 380)) {
|
|
push @cfgarr, 'TCPKeepAlive no';
|
|
}
|
|
|
|
if(($sshid =~ /OpenSSH/) && ($sshvernum >= 430)) {
|
|
push @cfgarr, 'Tunnel no';
|
|
}
|
|
|
|
if(($sshid =~ /OpenSSH/) && ($sshvernum >= 380)) {
|
|
push @cfgarr, 'VerifyHostKeyDNS no';
|
|
}
|
|
|
|
push @cfgarr, '#';
|
|
|
|
|
|
#***************************************************************************
|
|
# Write out resulting ssh client configuration file for curl's tests
|
|
#
|
|
$error = dump_array($sshconfig, @cfgarr);
|
|
if($error) {
|
|
logmsg $error;
|
|
exit 1;
|
|
}
|
|
|
|
|
|
#***************************************************************************
|
|
# Initialize client sftp config with options actually supported.
|
|
#
|
|
logmsg 'generating sftp client config file...' if($verbose);
|
|
splice @cfgarr, 1, 1, "# $sshverstr sftp client configuration file for curl testing";
|
|
#
|
|
for(my $i = scalar(@cfgarr) - 1; $i > 0; $i--) {
|
|
if($cfgarr[$i] =~ /^DynamicForward/) {
|
|
splice @cfgarr, $i, 1;
|
|
next;
|
|
}
|
|
if($cfgarr[$i] =~ /^ClearAllForwardings/) {
|
|
splice @cfgarr, $i, 1, "ClearAllForwardings yes";
|
|
next;
|
|
}
|
|
}
|
|
|
|
|
|
#***************************************************************************
|
|
# Write out resulting sftp client configuration file for curl's tests
|
|
#
|
|
$error = dump_array($sftpconfig, @cfgarr);
|
|
if($error) {
|
|
logmsg $error;
|
|
exit 1;
|
|
}
|
|
@cfgarr = ();
|
|
|
|
|
|
#***************************************************************************
|
|
# Generate client sftp commands batch file for sftp server verification
|
|
#
|
|
logmsg 'generating sftp client commands file...' if($verbose);
|
|
push @cfgarr, 'pwd';
|
|
push @cfgarr, 'quit';
|
|
$error = dump_array($sftpcmds, @cfgarr);
|
|
if($error) {
|
|
logmsg $error;
|
|
exit 1;
|
|
}
|
|
@cfgarr = ();
|
|
|
|
#***************************************************************************
|
|
# Prepare command line of ssh server daemon
|
|
#
|
|
my $cmd = "\"$sshd\" -e -D -f $sshdconfig > $sshdlog 2>&1";
|
|
logmsg "SCP/SFTP server listening on port $port" if($verbose);
|
|
logmsg "RUN: $cmd" if($verbose);
|
|
|
|
#***************************************************************************
|
|
# Start the ssh server daemon on Windows without forking it
|
|
#
|
|
if ($sshdid =~ /OpenSSH-Windows/) {
|
|
# Fake pidfile for ssh server on Windows.
|
|
if(open(OUT, ">$pidfile")) {
|
|
print OUT $$ . "\n";
|
|
close(OUT);
|
|
}
|
|
|
|
# Put an "exec" in front of the command so that the child process
|
|
# keeps this child's process ID by being tied to the spawned shell.
|
|
exec("exec $cmd") || die "Can't exec() $cmd: $!";
|
|
# exec() will create a new process, but ties the existance of the
|
|
# new process to the parent waiting perl.exe and sh.exe processes.
|
|
|
|
# exec() should never return back here to this process. We protect
|
|
# ourselves by calling die() just in case something goes really bad.
|
|
die "error: exec() has returned";
|
|
}
|
|
|
|
#***************************************************************************
|
|
# Start the ssh server daemon without forking it
|
|
#
|
|
my $rc = system($cmd);
|
|
if($rc == -1) {
|
|
logmsg "\"$sshd\" failed with: $!";
|
|
}
|
|
elsif($rc & 127) {
|
|
logmsg sprintf("\"$sshd\" died with signal %d, and %s coredump",
|
|
($rc & 127), ($rc & 128)?'a':'no');
|
|
}
|
|
elsif($verbose && ($rc >> 8)) {
|
|
logmsg sprintf("\"$sshd\" exited with %d", $rc >> 8);
|
|
}
|
|
|
|
|
|
#***************************************************************************
|
|
# Clean up once the server has stopped
|
|
#
|
|
unlink($hstprvkeyf, $hstpubkeyf, $hstpubmd5f,
|
|
$cliprvkeyf, $clipubkeyf, $knownhosts,
|
|
$sshdconfig, $sshconfig, $sftpconfig);
|
|
|
|
exit 0;
|