454 lines
12 KiB
Perl
454 lines
12 KiB
Perl
|
#***************************************************************************
|
||
|
|
# _ _ ____ _
|
||
|
|
# Project ___| | | | _ \| |
|
||
|
|
# / __| | | | |_) | |
|
||
|
|
# | (__| |_| | _ <| |___
|
||
|
|
# \___|\___/|_| \_\_____|
|
||
|
|
#
|
||
|
|
# Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
|
||
|
|
#
|
||
|
|
# This software is licensed as described in the file COPYING, which
|
||
|
|
# you should have received as part of this distribution. The terms
|
||
|
|
# are also available at https://curl.haxx.se/docs/copyright.html.
|
||
|
|
#
|
||
|
|
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
||
|
|
# copies of the Software, and permit persons to whom the Software is
|
||
|
|
# furnished to do so, under the terms of the COPYING file.
|
||
|
|
#
|
||
|
|
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||
|
|
# KIND, either express or implied.
|
||
|
|
#
|
||
|
|
#***************************************************************************
|
||
|
|
|
||
|
|
package sshhelp;
|
||
|
|
|
||
|
|
use strict;
|
||
|
|
use warnings;
|
||
|
|
use Exporter;
|
||
|
|
use File::Spec;
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Global symbols allowed without explicit package name
|
||
|
|
#
|
||
|
|
use vars qw(
|
||
|
|
@ISA
|
||
|
|
@EXPORT_OK
|
||
|
|
$sshdexe
|
||
|
|
$sshexe
|
||
|
|
$sftpsrvexe
|
||
|
|
$sftpexe
|
||
|
|
$sshkeygenexe
|
||
|
|
$httptlssrvexe
|
||
|
|
$sshdconfig
|
||
|
|
$sshconfig
|
||
|
|
$sftpconfig
|
||
|
|
$knownhosts
|
||
|
|
$sshdlog
|
||
|
|
$sshlog
|
||
|
|
$sftplog
|
||
|
|
$sftpcmds
|
||
|
|
$hstprvkeyf
|
||
|
|
$hstpubkeyf
|
||
|
|
$cliprvkeyf
|
||
|
|
$clipubkeyf
|
||
|
|
@sftppath
|
||
|
|
@httptlssrvpath
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Inherit Exporter's capabilities
|
||
|
|
#
|
||
|
|
@ISA = qw(Exporter);
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Global symbols this module will export upon request
|
||
|
|
#
|
||
|
|
@EXPORT_OK = qw(
|
||
|
|
$sshdexe
|
||
|
|
$sshexe
|
||
|
|
$sftpsrvexe
|
||
|
|
$sftpexe
|
||
|
|
$sshkeygenexe
|
||
|
|
$sshdconfig
|
||
|
|
$sshconfig
|
||
|
|
$sftpconfig
|
||
|
|
$knownhosts
|
||
|
|
$sshdlog
|
||
|
|
$sshlog
|
||
|
|
$sftplog
|
||
|
|
$sftpcmds
|
||
|
|
$hstprvkeyf
|
||
|
|
$hstpubkeyf
|
||
|
|
$cliprvkeyf
|
||
|
|
$clipubkeyf
|
||
|
|
display_sshdconfig
|
||
|
|
display_sshconfig
|
||
|
|
display_sftpconfig
|
||
|
|
display_sshdlog
|
||
|
|
display_sshlog
|
||
|
|
display_sftplog
|
||
|
|
dump_array
|
||
|
|
exe_ext
|
||
|
|
find_sshd
|
||
|
|
find_ssh
|
||
|
|
find_sftpsrv
|
||
|
|
find_sftp
|
||
|
|
find_sshkeygen
|
||
|
|
find_httptlssrv
|
||
|
|
logmsg
|
||
|
|
sshversioninfo
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Global variables initialization
|
||
|
|
#
|
||
|
|
$sshdexe = 'sshd' .exe_ext(); # base name and ext of ssh daemon
|
||
|
|
$sshexe = 'ssh' .exe_ext(); # base name and ext of ssh client
|
||
|
|
$sftpsrvexe = 'sftp-server' .exe_ext(); # base name and ext of sftp-server
|
||
|
|
$sftpexe = 'sftp' .exe_ext(); # base name and ext of sftp client
|
||
|
|
$sshkeygenexe = 'ssh-keygen' .exe_ext(); # base name and ext of ssh-keygen
|
||
|
|
$httptlssrvexe = 'gnutls-serv' .exe_ext(); # base name and ext of gnutls-serv
|
||
|
|
$sshdconfig = 'curl_sshd_config'; # ssh daemon config file
|
||
|
|
$sshconfig = 'curl_ssh_config'; # ssh client config file
|
||
|
|
$sftpconfig = 'curl_sftp_config'; # sftp client config file
|
||
|
|
$sshdlog = undef; # ssh daemon log file
|
||
|
|
$sshlog = undef; # ssh client log file
|
||
|
|
$sftplog = undef; # sftp client log file
|
||
|
|
$sftpcmds = 'curl_sftp_cmds'; # sftp client commands batch file
|
||
|
|
$knownhosts = 'curl_client_knownhosts'; # ssh knownhosts file
|
||
|
|
$hstprvkeyf = 'curl_host_rsa_key'; # host private key file
|
||
|
|
$hstpubkeyf = 'curl_host_rsa_key.pub'; # host public key file
|
||
|
|
$cliprvkeyf = 'curl_client_key'; # client private key file
|
||
|
|
$clipubkeyf = 'curl_client_key.pub'; # client public key file
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Absolute paths where to look for sftp-server plugin, when not in PATH
|
||
|
|
#
|
||
|
|
@sftppath = qw(
|
||
|
|
/usr/lib/openssh
|
||
|
|
/usr/libexec/openssh
|
||
|
|
/usr/libexec
|
||
|
|
/usr/local/libexec
|
||
|
|
/opt/local/libexec
|
||
|
|
/usr/lib/ssh
|
||
|
|
/usr/libexec/ssh
|
||
|
|
/usr/sbin
|
||
|
|
/usr/lib
|
||
|
|
/usr/lib/ssh/openssh
|
||
|
|
/usr/lib64/ssh
|
||
|
|
/usr/lib64/misc
|
||
|
|
/usr/lib/misc
|
||
|
|
/usr/local/sbin
|
||
|
|
/usr/freeware/bin
|
||
|
|
/usr/freeware/sbin
|
||
|
|
/usr/freeware/libexec
|
||
|
|
/opt/ssh/sbin
|
||
|
|
/opt/ssh/libexec
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Absolute paths where to look for httptlssrv (gnutls-serv), when not in PATH
|
||
|
|
#
|
||
|
|
@httptlssrvpath = qw(
|
||
|
|
/usr/sbin
|
||
|
|
/usr/libexec
|
||
|
|
/usr/lib
|
||
|
|
/usr/lib/misc
|
||
|
|
/usr/lib64/misc
|
||
|
|
/usr/local/bin
|
||
|
|
/usr/local/sbin
|
||
|
|
/usr/local/libexec
|
||
|
|
/opt/local/bin
|
||
|
|
/opt/local/sbin
|
||
|
|
/opt/local/libexec
|
||
|
|
/usr/freeware/bin
|
||
|
|
/usr/freeware/sbin
|
||
|
|
/usr/freeware/libexec
|
||
|
|
/opt/gnutls/bin
|
||
|
|
/opt/gnutls/sbin
|
||
|
|
/opt/gnutls/libexec
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Return file extension for executable files on this operating system
|
||
|
|
#
|
||
|
|
sub exe_ext {
|
||
|
|
if ($^O eq 'MSWin32' || $^O eq 'cygwin' || $^O eq 'msys' ||
|
||
|
|
$^O eq 'dos' || $^O eq 'os2') {
|
||
|
|
return '.exe';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Create or overwrite the given file with lines from an array of strings
|
||
|
|
#
|
||
|
|
sub dump_array {
|
||
|
|
my ($filename, @arr) = @_;
|
||
|
|
my $error;
|
||
|
|
|
||
|
|
if(!$filename) {
|
||
|
|
$error = 'Error: Missing argument 1 for dump_array()';
|
||
|
|
}
|
||
|
|
elsif(open(TEXTFH, ">$filename")) {
|
||
|
|
foreach my $line (@arr) {
|
||
|
|
$line .= "\n" unless($line =~ /\n$/);
|
||
|
|
print TEXTFH $line;
|
||
|
|
}
|
||
|
|
if(!close(TEXTFH)) {
|
||
|
|
$error = "Error: cannot close file $filename";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$error = "Error: cannot write file $filename";
|
||
|
|
}
|
||
|
|
return $error;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Display a message
|
||
|
|
#
|
||
|
|
sub logmsg {
|
||
|
|
my ($line) = @_;
|
||
|
|
chomp $line if($line);
|
||
|
|
$line .= "\n";
|
||
|
|
print "$line";
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Display contents of the given file
|
||
|
|
#
|
||
|
|
sub display_file {
|
||
|
|
my $filename = $_[0];
|
||
|
|
print "=== Start of file $filename\n";
|
||
|
|
if(open(DISPLAYFH, "<$filename")) {
|
||
|
|
while(my $line = <DISPLAYFH>) {
|
||
|
|
print "$line";
|
||
|
|
}
|
||
|
|
close DISPLAYFH;
|
||
|
|
}
|
||
|
|
print "=== End of file $filename\n";
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Display contents of the ssh daemon config file
|
||
|
|
#
|
||
|
|
sub display_sshdconfig {
|
||
|
|
display_file($sshdconfig);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Display contents of the ssh client config file
|
||
|
|
#
|
||
|
|
sub display_sshconfig {
|
||
|
|
display_file($sshconfig);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Display contents of the sftp client config file
|
||
|
|
#
|
||
|
|
sub display_sftpconfig {
|
||
|
|
display_file($sftpconfig);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Display contents of the ssh daemon log file
|
||
|
|
#
|
||
|
|
sub display_sshdlog {
|
||
|
|
die "error: \$sshdlog uninitialized" if(not defined $sshdlog);
|
||
|
|
display_file($sshdlog);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Display contents of the ssh client log file
|
||
|
|
#
|
||
|
|
sub display_sshlog {
|
||
|
|
die "error: \$sshlog uninitialized" if(not defined $sshlog);
|
||
|
|
display_file($sshlog);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Display contents of the sftp client log file
|
||
|
|
#
|
||
|
|
sub display_sftplog {
|
||
|
|
die "error: \$sftplog uninitialized" if(not defined $sftplog);
|
||
|
|
display_file($sftplog);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Find a file somewhere in the given path
|
||
|
|
#
|
||
|
|
sub find_file {
|
||
|
|
my $fn = $_[0];
|
||
|
|
shift;
|
||
|
|
my @path = @_;
|
||
|
|
foreach (@path) {
|
||
|
|
my $file = File::Spec->catfile($_, $fn);
|
||
|
|
if(-e $file && ! -d $file) {
|
||
|
|
return $file;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Find an executable file somewhere in the given path
|
||
|
|
#
|
||
|
|
sub find_exe_file {
|
||
|
|
my $fn = $_[0];
|
||
|
|
shift;
|
||
|
|
my @path = @_;
|
||
|
|
my $xext = exe_ext();
|
||
|
|
foreach (@path) {
|
||
|
|
my $file = File::Spec->catfile($_, $fn);
|
||
|
|
if(-e $file && ! -d $file) {
|
||
|
|
return $file if(-x $file);
|
||
|
|
return $file if(($xext) && (lc($file) =~ /\Q$xext\E$/));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Find a file in environment path or in our sftppath
|
||
|
|
#
|
||
|
|
sub find_file_spath {
|
||
|
|
my $filename = $_[0];
|
||
|
|
my @spath;
|
||
|
|
push(@spath, File::Spec->path());
|
||
|
|
push(@spath, @sftppath);
|
||
|
|
return find_file($filename, @spath);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Find an executable file in environment path or in our httptlssrvpath
|
||
|
|
#
|
||
|
|
sub find_exe_file_hpath {
|
||
|
|
my $filename = $_[0];
|
||
|
|
my @hpath;
|
||
|
|
push(@hpath, File::Spec->path());
|
||
|
|
push(@hpath, @httptlssrvpath);
|
||
|
|
return find_exe_file($filename, @hpath);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Find ssh daemon and return canonical filename
|
||
|
|
#
|
||
|
|
sub find_sshd {
|
||
|
|
return find_file_spath($sshdexe);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Find ssh client and return canonical filename
|
||
|
|
#
|
||
|
|
sub find_ssh {
|
||
|
|
return find_file_spath($sshexe);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Find sftp-server plugin and return canonical filename
|
||
|
|
#
|
||
|
|
sub find_sftpsrv {
|
||
|
|
return find_file_spath($sftpsrvexe);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Find sftp client and return canonical filename
|
||
|
|
#
|
||
|
|
sub find_sftp {
|
||
|
|
return find_file_spath($sftpexe);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Find ssh-keygen and return canonical filename
|
||
|
|
#
|
||
|
|
sub find_sshkeygen {
|
||
|
|
return find_file_spath($sshkeygenexe);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Find httptlssrv (gnutls-serv) and return canonical filename
|
||
|
|
#
|
||
|
|
sub find_httptlssrv {
|
||
|
|
return find_exe_file_hpath($httptlssrvexe);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# Return version info for the given ssh client or server binaries
|
||
|
|
#
|
||
|
|
sub sshversioninfo {
|
||
|
|
my $sshbin = $_[0]; # canonical filename
|
||
|
|
my $major;
|
||
|
|
my $minor;
|
||
|
|
my $patch;
|
||
|
|
my $sshid;
|
||
|
|
my $versnum;
|
||
|
|
my $versstr;
|
||
|
|
my $error;
|
||
|
|
|
||
|
|
if(!$sshbin) {
|
||
|
|
$error = 'Error: Missing argument 1 for sshversioninfo()';
|
||
|
|
}
|
||
|
|
elsif(! -x $sshbin) {
|
||
|
|
$error = "Error: cannot read or execute $sshbin";
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
my $cmd = ($sshbin =~ /$sshdexe$/) ? "\"$sshbin\" -?" : "\"$sshbin\" -V";
|
||
|
|
$error = "$cmd\n";
|
||
|
|
foreach my $tmpstr (qx($cmd 2>&1)) {
|
||
|
|
if($tmpstr =~ /OpenSSH[_-](\d+)\.(\d+)(\.(\d+))*/i) {
|
||
|
|
$major = $1;
|
||
|
|
$minor = $2;
|
||
|
|
$patch = $4?$4:0;
|
||
|
|
$sshid = 'OpenSSH';
|
||
|
|
$versnum = (100*$major) + (10*$minor) + $patch;
|
||
|
|
$versstr = "$sshid $major.$minor.$patch";
|
||
|
|
$error = undef;
|
||
|
|
last;
|
||
|
|
}
|
||
|
|
if($tmpstr =~ /Sun[_-]SSH[_-](\d+)\.(\d+)(\.(\d+))*/i) {
|
||
|
|
$major = $1;
|
||
|
|
$minor = $2;
|
||
|
|
$patch = $4?$4:0;
|
||
|
|
$sshid = 'SunSSH';
|
||
|
|
$versnum = (100*$major) + (10*$minor) + $patch;
|
||
|
|
$versstr = "$sshid $major.$minor.$patch";
|
||
|
|
$error = undef;
|
||
|
|
last;
|
||
|
|
}
|
||
|
|
$error .= $tmpstr;
|
||
|
|
}
|
||
|
|
chomp $error if($error);
|
||
|
|
}
|
||
|
|
return ($sshid, $versnum, $versstr, $error);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#***************************************************************************
|
||
|
|
# End of library
|
||
|
|
1;
|