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curl/tests/sshhelp.pm
Marc Hoersken 9819984fbb tests: make it possible to set executable extensions 
This enables the use of Windows Subsystem for Linux (WSL) to run the
testsuite against Windows binaries while using Linux servers.

This commit introduces the following environment variables:
- CURL_TEST_EXE_EXT: set the executable extension for all components
- CURL_TEST_EXE_EXT_TOOL: set it for the curl tool only
- CURL_TEST_EXE_EXT_SSH: set it for the SSH tools only

Later testcurl.pl could be adjusted to make use of those variables.
- CURL_TEST_EXE_EXT_SRV: set it for the test servers only

(This is one of several commits to support use of WSL for the tests.)

Closes https://github.com/curl/curl/pull/3899
2019-12-09 19:32:41 -05:00

471 lines
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Perl
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#***************************************************************************
# _ _ ____ _
# 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('SSH'); # base name and ext of ssh daemon
$sshexe = 'ssh' .exe_ext('SSH'); # base name and ext of ssh client
$sftpsrvexe = 'sftp-server' .exe_ext('SSH'); # base name and ext of sftp-server
$sftpexe = 'sftp' .exe_ext('SSH'); # base name and ext of sftp client
$sshkeygenexe = 'ssh-keygen' .exe_ext('SSH'); # base name and ext of ssh-keygen
$httptlssrvexe = 'gnutls-serv' .exe_ext('SSH'); # 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
$clipubkeyf = 'curl_client_key.pub'; # client public key file
#***************************************************************************
# Absolute paths where to look for sftp-server plugin, when not in PATH
#
@sftppath = qw(
/usr/lib/openssh
/usr/libexec/openssh
/usr/libexec
/usr/local/libexec
/opt/local/libexec
/usr/lib/ssh
/usr/libexec/ssh
/usr/sbin
/usr/lib
/usr/lib/ssh/openssh
/usr/lib64/ssh
/usr/lib64/misc
/usr/lib/misc
/usr/local/sbin
/usr/freeware/bin
/usr/freeware/sbin
/usr/freeware/libexec
/opt/ssh/sbin
/opt/ssh/libexec
);
#***************************************************************************
# Absolute paths where to look for httptlssrv (gnutls-serv), when not in PATH
#
@httptlssrvpath = qw(
/usr/sbin
/usr/libexec
/usr/lib
/usr/lib/misc
/usr/lib64/misc
/usr/local/bin
/usr/local/sbin
/usr/local/libexec
/opt/local/bin
/opt/local/sbin
/opt/local/libexec
/usr/freeware/bin
/usr/freeware/sbin
/usr/freeware/libexec
/opt/gnutls/bin
/opt/gnutls/sbin
/opt/gnutls/libexec
);
#***************************************************************************
# Return file extension for executable files on this operating system
#
sub exe_ext {
my ($component, @arr) = @_;
if ($ENV{'CURL_TEST_EXE_EXT'}) {
return $ENV{'CURL_TEST_EXE_EXT'};
}
if ($ENV{'CURL_TEST_EXE_EXT_'.$component}) {
return $ENV{'CURL_TEST_EXE_EXT_'.$component};
}
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('SSH');
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 =~ /OpenSSH[_-]for[_-]Windows[_-](\d+)\.(\d+)(\.(\d+))*/i) {
$major = $1;
$minor = $2;
$patch = $4?$4:0;
$sshid = 'OpenSSH-Windows';
$versnum = (100*$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;
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