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# Net::SSLeay.pm - Perl module for using Eric Young's implementation of SSL
#
# Copyright (c) 1996-2003 Sampo Kellomaki <sampo@iki.fi>, All Rights Reserved.
# Copyright (C) 2005 Florian Ragwitz <rafl@debian.org>, All Rights Reserved.
# Copyright (C) 2005 Mike McCauley <mikem@airspayce.com>, All Rights Reserved.
#
# $Id: SSLeay.pm 378 2013-06-07 22:29:53Z mikem-guest $
#
# Change data removed from here. See Changes
# The distribution and use of this module are subject to the conditions
# listed in LICENSE file at the root of OpenSSL-0.9.7b
# distribution (i.e. free, but mandatory attribution and NO WARRANTY).
package Net::SSLeay;
use strict;
use Carp;
use vars qw($VERSION @ISA @EXPORT @EXPORT_OK $AUTOLOAD $CRLF);
use Socket;
use Errno;
require 5.005_000;
require Exporter;
use AutoLoader;
# 0=no warns, 1=only errors, 2=ciphers, 3=progress, 4=dump data
$Net::SSLeay::trace = 0; # Do not change here, use
# $Net::SSLeay::trace = [1-4] in caller
# 2 = insist on v2 SSL protocol
# 3 = insist on v3 SSL
# 10 = insist on TLSv1
# 11 = insist on TLSv1.1
# 12 = insist on TLSv1.2
# 0 or undef = guess (v23)
#
$Net::SSLeay::ssl_version = 0; # don't change here, use
# Net::SSLeay::version=[2,3,0] in caller
#define to enable the "cat /proc/$$/stat" stuff
$Net::SSLeay::linux_debug = 0;
# Number of seconds to sleep after sending message and before half
# closing connection. Useful with antiquated broken servers.
$Net::SSLeay::slowly = 0;
# RANDOM NUMBER INITIALIZATION
#
# Edit to your taste. Using /dev/random would be more secure, but may
# block if randomness is not available, thus the default is
# /dev/urandom. $how_random determines how many bits of randomness to take
# from the device. You should take enough (read SSLeay/doc/rand), but
# beware that randomness is limited resource so you should not waste
# it either or you may end up with randomness depletion (situation where
# /dev/random would block and /dev/urandom starts to return predictable
# numbers).
#
# N.B. /dev/urandom does not exit on all systems, such as Solaris 2.6. In that
# case you should get a third party package that emulates /dev/urandom
# (e.g. via named pipe) or supply a random number file. Some such
# packages are documented in Caveat section of the POD documentation.
$Net::SSLeay::random_device = '/dev/urandom';
$Net::SSLeay::how_random = 512;
$VERSION = '1.55';
@ISA = qw(Exporter);
#BEWARE:
# 3-columns part of @EXPORT_OK related to constants is the output of command:
# perl helper_script/regen_openssl_constants.pl -gen-pod
# if you add/remove any constant you need to update it manually
@EXPORT_OK = qw(
ASN1_STRFLGS_ESC_CTRL NID_ext_req OP_CISCO_ANYCONNECT
ASN1_STRFLGS_ESC_MSB NID_friendlyName OP_COOKIE_EXCHANGE
ASN1_STRFLGS_ESC_QUOTE NID_givenName OP_CRYPTOPRO_TLSEXT_BUG
ASN1_STRFLGS_RFC2253 NID_hmacWithSHA1 OP_DONT_INSERT_EMPTY_FRAGMENTS
CB_ACCEPT_EXIT NID_id_ad OP_EPHEMERAL_RSA
CB_ACCEPT_LOOP NID_id_ce OP_LEGACY_SERVER_CONNECT
CB_CONNECT_EXIT NID_id_kp OP_MICROSOFT_BIG_SSLV3_BUFFER
CB_CONNECT_LOOP NID_id_pbkdf2 OP_MICROSOFT_SESS_ID_BUG
ERROR_NONE NID_id_pe OP_MSIE_SSLV2_RSA_PADDING
ERROR_SSL NID_id_pkix OP_NETSCAPE_CA_DN_BUG
ERROR_SYSCALL NID_id_qt_cps OP_NETSCAPE_CHALLENGE_BUG
ERROR_WANT_ACCEPT NID_id_qt_unotice OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG
ERROR_WANT_CONNECT NID_idea_cbc OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG
ERROR_WANT_READ NID_idea_cfb64 OP_NON_EXPORT_FIRST
ERROR_WANT_WRITE NID_idea_ecb OP_NO_COMPRESSION
ERROR_WANT_X509_LOOKUP NID_idea_ofb64 OP_NO_QUERY_MTU
ERROR_ZERO_RETURN NID_info_access OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
EVP_PKS_DSA NID_initials OP_NO_SSLv2
EVP_PKS_EC NID_invalidity_date OP_NO_SSLv3
EVP_PKS_RSA NID_issuer_alt_name OP_NO_TICKET
EVP_PKT_ENC NID_keyBag OP_NO_TLSv1
EVP_PKT_EXCH NID_key_usage OP_NO_TLSv1_1
EVP_PKT_EXP NID_localKeyID OP_NO_TLSv1_2
EVP_PKT_SIGN NID_localityName OP_PKCS1_CHECK_1
EVP_PK_DH NID_md2 OP_PKCS1_CHECK_2
EVP_PK_DSA NID_md2WithRSAEncryption OP_SINGLE_DH_USE
EVP_PK_EC NID_md5 OP_SINGLE_ECDH_USE
EVP_PK_RSA NID_md5WithRSA OP_SSLEAY_080_CLIENT_DH_BUG
FILETYPE_ASN1 NID_md5WithRSAEncryption OP_SSLREF2_REUSE_CERT_TYPE_BUG
FILETYPE_PEM NID_md5_sha1 OP_TLS_BLOCK_PADDING_BUG
F_CLIENT_CERTIFICATE NID_mdc2 OP_TLS_D5_BUG
F_CLIENT_HELLO NID_mdc2WithRSA OP_TLS_ROLLBACK_BUG
F_CLIENT_MASTER_KEY NID_ms_code_com READING
F_D2I_SSL_SESSION NID_ms_code_ind RECEIVED_SHUTDOWN
F_GET_CLIENT_FINISHED NID_ms_ctl_sign RSA_3
F_GET_CLIENT_HELLO NID_ms_efs RSA_F4
F_GET_CLIENT_MASTER_KEY NID_ms_ext_req R_BAD_AUTHENTICATION_TYPE
F_GET_SERVER_FINISHED NID_ms_sgc R_BAD_CHECKSUM
F_GET_SERVER_HELLO NID_name R_BAD_MAC_DECODE
F_GET_SERVER_VERIFY NID_netscape R_BAD_RESPONSE_ARGUMENT
F_I2D_SSL_SESSION NID_netscape_base_url R_BAD_SSL_FILETYPE
F_READ_N NID_netscape_ca_policy_url R_BAD_SSL_SESSION_ID_LENGTH
F_REQUEST_CERTIFICATE NID_netscape_ca_revocation_url R_BAD_STATE
F_SERVER_HELLO NID_netscape_cert_extension R_BAD_WRITE_RETRY
F_SSL_CERT_NEW NID_netscape_cert_sequence R_CHALLENGE_IS_DIFFERENT
F_SSL_GET_NEW_SESSION NID_netscape_cert_type R_CIPHER_TABLE_SRC_ERROR
F_SSL_NEW NID_netscape_comment R_INVALID_CHALLENGE_LENGTH
F_SSL_READ NID_netscape_data_type R_NO_CERTIFICATE_SET
F_SSL_RSA_PRIVATE_DECRYPT NID_netscape_renewal_url R_NO_CERTIFICATE_SPECIFIED
F_SSL_RSA_PUBLIC_ENCRYPT NID_netscape_revocation_url R_NO_CIPHER_LIST
F_SSL_SESSION_NEW NID_netscape_ssl_server_name R_NO_CIPHER_MATCH
F_SSL_SESSION_PRINT_FP NID_ns_sgc R_NO_PRIVATEKEY
F_SSL_SET_FD NID_organizationName R_NO_PUBLICKEY
F_SSL_SET_RFD NID_organizationalUnitName R_NULL_SSL_CTX
F_SSL_SET_WFD NID_pbeWithMD2AndDES_CBC R_PEER_DID_NOT_RETURN_A_CERTIFICATE
F_SSL_USE_CERTIFICATE NID_pbeWithMD2AndRC2_CBC R_PEER_ERROR
F_SSL_USE_CERTIFICATE_ASN1 NID_pbeWithMD5AndCast5_CBC R_PEER_ERROR_CERTIFICATE
F_SSL_USE_CERTIFICATE_FILE NID_pbeWithMD5AndDES_CBC R_PEER_ERROR_NO_CIPHER
F_SSL_USE_PRIVATEKEY NID_pbeWithMD5AndRC2_CBC R_PEER_ERROR_UNSUPPORTED_CERTIFICATE_TYPE
F_SSL_USE_PRIVATEKEY_ASN1 NID_pbeWithSHA1AndDES_CBC R_PUBLIC_KEY_ENCRYPT_ERROR
F_SSL_USE_PRIVATEKEY_FILE NID_pbeWithSHA1AndRC2_CBC R_PUBLIC_KEY_IS_NOT_RSA
F_SSL_USE_RSAPRIVATEKEY NID_pbe_WithSHA1And128BitRC2_CBC R_READ_WRONG_PACKET_TYPE
F_SSL_USE_RSAPRIVATEKEY_ASN1 NID_pbe_WithSHA1And128BitRC4 R_SHORT_READ
F_SSL_USE_RSAPRIVATEKEY_FILE NID_pbe_WithSHA1And2_Key_TripleDES_CBC R_SSL_SESSION_ID_IS_DIFFERENT
F_WRITE_PENDING NID_pbe_WithSHA1And3_Key_TripleDES_CBC R_UNABLE_TO_EXTRACT_PUBLIC_KEY
GEN_DIRNAME NID_pbe_WithSHA1And40BitRC2_CBC R_UNKNOWN_REMOTE_ERROR_TYPE
GEN_DNS NID_pbe_WithSHA1And40BitRC4 R_UNKNOWN_STATE
GEN_EDIPARTY NID_pbes2 R_X509_LIB
GEN_EMAIL NID_pbmac1 SENT_SHUTDOWN
GEN_IPADD NID_pkcs SESSION_ASN1_VERSION
GEN_OTHERNAME NID_pkcs3 ST_ACCEPT
GEN_RID NID_pkcs7 ST_BEFORE
GEN_URI NID_pkcs7_data ST_CONNECT
GEN_X400 NID_pkcs7_digest ST_INIT
MBSTRING_ASC NID_pkcs7_encrypted ST_OK
MBSTRING_BMP NID_pkcs7_enveloped ST_READ_BODY
MBSTRING_FLAG NID_pkcs7_signed ST_READ_HEADER
MBSTRING_UNIV NID_pkcs7_signedAndEnveloped VERIFY_CLIENT_ONCE
MBSTRING_UTF8 NID_pkcs8ShroudedKeyBag VERIFY_FAIL_IF_NO_PEER_CERT
MIN_RSA_MODULUS_LENGTH_IN_BYTES NID_pkcs9 VERIFY_NONE
MODE_ACCEPT_MOVING_WRITE_BUFFER NID_pkcs9_challengePassword VERIFY_PEER
MODE_AUTO_RETRY NID_pkcs9_contentType WRITING
MODE_ENABLE_PARTIAL_WRITE NID_pkcs9_countersignature X509_LOOKUP
MODE_RELEASE_BUFFERS NID_pkcs9_emailAddress X509_PURPOSE_ANY
NID_OCSP_sign NID_pkcs9_extCertAttributes X509_PURPOSE_CRL_SIGN
NID_SMIMECapabilities NID_pkcs9_messageDigest X509_PURPOSE_NS_SSL_SERVER
NID_X500 NID_pkcs9_signingTime X509_PURPOSE_OCSP_HELPER
NID_X509 NID_pkcs9_unstructuredAddress X509_PURPOSE_SMIME_ENCRYPT
NID_ad_OCSP NID_pkcs9_unstructuredName X509_PURPOSE_SMIME_SIGN
NID_ad_ca_issuers NID_private_key_usage_period X509_PURPOSE_SSL_CLIENT
NID_algorithm NID_rc2_40_cbc X509_PURPOSE_SSL_SERVER
NID_authority_key_identifier NID_rc2_64_cbc X509_PURPOSE_TIMESTAMP_SIGN
NID_basic_constraints NID_rc2_cbc X509_TRUST_COMPAT
NID_bf_cbc NID_rc2_cfb64 X509_TRUST_EMAIL
NID_bf_cfb64 NID_rc2_ecb X509_TRUST_OBJECT_SIGN
NID_bf_ecb NID_rc2_ofb64 X509_TRUST_OCSP_REQUEST
NID_bf_ofb64 NID_rc4 X509_TRUST_OCSP_SIGN
NID_cast5_cbc NID_rc4_40 X509_TRUST_SSL_CLIENT
NID_cast5_cfb64 NID_rc5_cbc X509_TRUST_SSL_SERVER
NID_cast5_ecb NID_rc5_cfb64 X509_TRUST_TSA
NID_cast5_ofb64 NID_rc5_ecb X509_V_FLAG_ALLOW_PROXY_CERTS
NID_certBag NID_rc5_ofb64 X509_V_FLAG_CB_ISSUER_CHECK
NID_certificate_policies NID_ripemd160 X509_V_FLAG_CHECK_SS_SIGNATURE
NID_client_auth NID_ripemd160WithRSA X509_V_FLAG_CRL_CHECK
NID_code_sign NID_rle_compression X509_V_FLAG_CRL_CHECK_ALL
NID_commonName NID_rsa X509_V_FLAG_EXPLICIT_POLICY
NID_countryName NID_rsaEncryption X509_V_FLAG_EXTENDED_CRL_SUPPORT
NID_crlBag NID_rsadsi X509_V_FLAG_IGNORE_CRITICAL
NID_crl_distribution_points NID_safeContentsBag X509_V_FLAG_INHIBIT_ANY
NID_crl_number NID_sdsiCertificate X509_V_FLAG_INHIBIT_MAP
NID_crl_reason NID_secretBag X509_V_FLAG_NOTIFY_POLICY
NID_delta_crl NID_serialNumber X509_V_FLAG_POLICY_CHECK
NID_des_cbc NID_server_auth X509_V_FLAG_POLICY_MASK
NID_des_cfb64 NID_sha X509_V_FLAG_USE_CHECK_TIME
NID_des_ecb NID_sha1 X509_V_FLAG_USE_DELTAS
NID_des_ede NID_sha1WithRSA X509_V_FLAG_X509_STRICT
NID_des_ede3 NID_sha1WithRSAEncryption X509_V_OK
NID_des_ede3_cbc NID_shaWithRSAEncryption XN_FLAG_COMPAT
NID_des_ede3_cfb64 NID_stateOrProvinceName XN_FLAG_DN_REV
NID_des_ede3_ofb64 NID_subject_alt_name XN_FLAG_DUMP_UNKNOWN_FIELDS
NID_des_ede_cbc NID_subject_key_identifier XN_FLAG_FN_ALIGN
NID_des_ede_cfb64 NID_surname XN_FLAG_FN_LN
NID_des_ede_ofb64 NID_sxnet XN_FLAG_FN_MASK
NID_des_ofb64 NID_time_stamp XN_FLAG_FN_NONE
NID_description NID_title XN_FLAG_FN_OID
NID_desx_cbc NID_undef XN_FLAG_FN_SN
NID_dhKeyAgreement NID_uniqueIdentifier XN_FLAG_MULTILINE
NID_dnQualifier NID_x509Certificate XN_FLAG_ONELINE
NID_dsa NID_x509Crl XN_FLAG_RFC2253
NID_dsaWithSHA NID_zlib_compression XN_FLAG_SEP_COMMA_PLUS
NID_dsaWithSHA1 NOTHING XN_FLAG_SEP_CPLUS_SPC
NID_dsaWithSHA1_2 OPENSSL_VERSION_NUMBER XN_FLAG_SEP_MASK
NID_dsa_2 OP_ALL XN_FLAG_SEP_MULTILINE
NID_email_protect OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION XN_FLAG_SEP_SPLUS_SPC
NID_ext_key_usage OP_CIPHER_SERVER_PREFERENCE XN_FLAG_SPC_EQ
BIO_eof
BIO_f_ssl
BIO_free
BIO_new
BIO_new_file
BIO_pending
BIO_read
BIO_s_mem
BIO_wpending
BIO_write
CTX_free
CTX_get_cert_store
CTX_new
CTX_use_RSAPrivateKey_file
CTX_use_certificate_file
CTX_v23_new
CTX_v2_new
CTX_v3_new
ERR_error_string
ERR_get_error
ERR_load_RAND_strings
ERR_load_SSL_strings
PEM_read_bio_X509_CRL
RSA_free
RSA_generate_key
SESSION
SESSION_free
SESSION_get_master_key
SESSION_new
SESSION_print
X509_NAME_get_text_by_NID
X509_NAME_oneline
X509_STORE_CTX_set_flags
X509_STORE_add_cert
X509_STORE_add_crl
X509_free
X509_get_issuer_name
X509_get_subject_name
X509_load_cert_crl_file
X509_load_cert_file
X509_load_crl_file
accept
add_session
clear
clear_error
connect
copy_session_id
d2i_SSL_SESSION
die_if_ssl_error
die_now
do_https
dump_peer_certificate
err
flush_sessions
free
get_cipher
get_cipher_list
get_client_random
get_fd
get_http
get_http4
get_https
get_https3
get_https4
get_httpx
get_httpx4
get_peer_certificate
get_rbio
get_read_ahead
get_server_random
get_shared_ciphers
get_time
get_timeout
get_wbio
i2d_SSL_SESSION
load_error_strings
make_form
make_headers
new
peek
pending
post_http
post_http4
post_https
post_https3
post_https4
post_httpx
post_httpx4
print_errs
read
remove_session
rstate_string
rstate_string_long
set_bio
set_cert_and_key
set_cipher_list
set_fd
set_read_ahead
set_rfd
set_server_cert_and_key
set_session
set_time
set_timeout
set_verify
set_wfd
ssl_read_CRLF
ssl_read_all
ssl_read_until
ssl_write_CRLF
ssl_write_all
sslcat
state_string
state_string_long
tcp_read_CRLF
tcp_read_all
tcp_read_until
tcp_write_CRLF
tcp_write_all
tcpcat
tcpxcat
use_PrivateKey
use_PrivateKey_ASN1
use_PrivateKey_file
use_RSAPrivateKey
use_RSAPrivateKey_ASN1
use_RSAPrivateKey_file
use_certificate
use_certificate_ASN1
use_certificate_file
write
);
sub AUTOLOAD {
# This AUTOLOAD is used to 'autoload' constants from the constant()
# XS function. If a constant is not found then control is passed
# to the AUTOLOAD in AutoLoader.
my $constname;
($constname = $AUTOLOAD) =~ s/.*:://;
my $val = constant($constname);
if ($! != 0) {
if ($! =~ /((Invalid)|(not valid))/i || $!{EINVAL}) {
$AutoLoader::AUTOLOAD = $AUTOLOAD;
goto &AutoLoader::AUTOLOAD;
}
else {
croak "Your vendor has not defined SSLeay macro $constname";
}
}
eval "sub $AUTOLOAD { $val }";
goto &$AUTOLOAD;
}
eval {
require XSLoader;
XSLoader::load('Net::SSLeay', $VERSION);
1;
} or do {
require DynaLoader;
push @ISA, 'DynaLoader';
bootstrap Net::SSLeay $VERSION;
};
# Preloaded methods go here.
$CRLF = "\x0d\x0a"; # because \r\n is not fully portable
### Print SSLeay error stack
sub print_errs {
my ($msg) = @_;
my ($count, $err, $errs, $e) = (0,0,'');
while ($err = ERR_get_error()) {
$count ++;
$e = "$msg $$: $count - " . ERR_error_string($err) . "\n";
$errs .= $e;
warn $e if $Net::SSLeay::trace;
}
return $errs;
}
# Death is conditional to SSLeay errors existing, i.e. this function checks
# for errors and only dies in affirmative.
# usage: Net::SSLeay::write($ssl, "foo") or die_if_ssl_error("SSL write ($!)");
sub die_if_ssl_error {
my ($msg) = @_;
die "$$: $msg\n" if print_errs($msg);
}
# Unconditional death. Used to print SSLeay errors before dying.
# usage: Net::SSLeay::connect($ssl) or die_now("Failed SSL connect ($!)");
sub die_now {
my ($msg) = @_;
print_errs($msg);
die "$$: $msg\n";
}
# Perl 5.6.* unicode support causes that length() no longer reliably
# reflects the byte length of a string. This eval is to fix that.
# Thanks to Sean Burke for the snippet.
BEGIN{
eval 'use bytes; sub blength ($) { length $_[0] }';
$@ and eval ' sub blength ($) { length $_[0] }' ;
}
# Autoload methods go after __END__, and are processed by the autosplit program.
1;
__END__
### Some methods that are macros in C
sub want_nothing { want(shift) == 1 }
sub want_read { want(shift) == 2 }
sub want_write { want(shift) == 3 }
sub want_X509_lookup { want(shift) == 4 }
###
### Open TCP stream to given host and port, looking up the details
### from system databases or DNS.
###
sub open_tcp_connection {
my ($dest_serv, $port) = @_;
my ($errs);
$port = getservbyname($port, 'tcp') unless $port =~ /^\d+$/;
my $dest_serv_ip = gethostbyname($dest_serv);
unless (defined($dest_serv_ip)) {
$errs = "$0 $$: open_tcp_connection: destination host not found:"
. " `$dest_serv' (port $port) ($!)\n";
warn $errs if $trace;
return wantarray ? (0, $errs) : 0;
}
my $sin = sockaddr_in($port, $dest_serv_ip);
warn "Opening connection to $dest_serv:$port (" .
inet_ntoa($dest_serv_ip) . ")" if $trace>2;
my $proto = getprotobyname('tcp');
if (socket (SSLCAT_S, &PF_INET(), &SOCK_STREAM(), $proto)) {
warn "next connect" if $trace>3;
if (CORE::connect (SSLCAT_S, $sin)) {
my $old_out = select (SSLCAT_S); $| = 1; select ($old_out);
warn "connected to $dest_serv, $port" if $trace>3;
return wantarray ? (1, undef) : 1; # Success
}
}
$errs = "$0 $$: open_tcp_connection: failed `$dest_serv', $port ($!)\n";
warn $errs if $trace;
close SSLCAT_S;
return wantarray ? (0, $errs) : 0; # Fail
}
### Open connection via standard web proxy, if one was defined
### using set_proxy().
sub open_proxy_tcp_connection {
my ($dest_serv, $port) = @_;
return open_tcp_connection($dest_serv, $port) if !$proxyhost;
warn "Connect via proxy: $proxyhost:$proxyport" if $trace>2;
my ($ret, $errs) = open_tcp_connection($proxyhost, $proxyport);
return wantarray ? (0, $errs) : 0 if !$ret; # Connection fail
warn "Asking proxy to connect to $dest_serv:$port" if $trace>2;
#print SSLCAT_S "CONNECT $dest_serv:$port HTTP/1.0$proxyauth$CRLF$CRLF";
#my $line = <SSLCAT_S>; # *** bug? Mixing stdio with syscall read?
($ret, $errs) =
tcp_write_all("CONNECT $dest_serv:$port HTTP/1.0$proxyauth$CRLF$CRLF");
return wantarray ? (0,$errs) : 0 if $errs;
($line, $errs) = tcp_read_until($CRLF . $CRLF, 1024);
warn "Proxy response: $line" if $trace>2;
return wantarray ? (0,$errs) : 0 if $errs;
return wantarray ? (1,'') : 1; # Success
}
###
### read and write helpers that block
###
sub debug_read {
my ($replyr, $gotr) = @_;
my $vm = $trace>2 && $linux_debug ?
(split ' ', `cat /proc/$$/stat`)[22] : 'vm_unknown';
warn " got " . blength($$gotr) . ':'
. blength($$replyr) . " bytes (VM=$vm).\n" if $trace == 3;
warn " got `$$gotr' (" . blength($$gotr) . ':'
. blength($$replyr) . " bytes, VM=$vm)\n" if $trace>3;
}
sub ssl_read_all {
my ($ssl,$how_much) = @_;
$how_much = 2000000000 unless $how_much;
my ($got, $errs);
my $reply = '';
while ($how_much > 0) {
$got = Net::SSLeay::read($ssl,
($how_much > 32768) ? 32768 : $how_much
);
last if $errs = print_errs('SSL_read');
$how_much -= blength($got);
debug_read(\$reply, \$got) if $trace>1;
last if $got eq ''; # EOF
$reply .= $got;
}
return wantarray ? ($reply, $errs) : $reply;
}
sub tcp_read_all {
my ($how_much) = @_;
$how_much = 2000000000 unless $how_much;
my ($n, $got, $errs);
my $reply = '';
my $bsize = 0x10000;
while ($how_much > 0) {
$n = sysread(SSLCAT_S,$got, (($bsize < $how_much) ? $bsize : $how_much));
warn "Read error: $! ($n,$how_much)" unless defined $n;
last if !$n; # EOF
$how_much -= $n;
debug_read(\$reply, \$got) if $trace>1;
$reply .= $got;
}
return wantarray ? ($reply, $errs) : $reply;
}
sub ssl_write_all {
my $ssl = $_[0];
my ($data_ref, $errs);
if (ref $_[1]) {
$data_ref = $_[1];
} else {
$data_ref = \$_[1];
}
my ($wrote, $written, $to_write) = (0,0, blength($$data_ref));
my $vm = $trace>2 && $linux_debug ?
(split ' ', `cat /proc/$$/stat`)[22] : 'vm_unknown';
warn " write_all VM at entry=$vm\n" if $trace>2;
while ($to_write) {
#sleep 1; # *** DEBUG
warn "partial `$$data_ref'\n" if $trace>3;
$wrote = write_partial($ssl, $written, $to_write, $$data_ref);
if (defined $wrote && ($wrote > 0)) { # write_partial can return -1
$written += $wrote;
$to_write -= $wrote;
} else {
if (defined $wrote) {
# check error conditions via SSL_get_error per man page
if ( my $sslerr = get_error($ssl, $wrote) ) {
my $errstr = ERR_error_string($sslerr);
my $errname = '';
SWITCH: {
$sslerr == constant("ERROR_NONE") && do {
# according to map page SSL_get_error(3ssl):
# The TLS/SSL I/O operation completed.
# This result code is returned if and only if ret > 0
# so if we received it here complain...
warn "ERROR_NONE unexpected with invalid return value!"
if $trace;
$errname = "SSL_ERROR_NONE";
};
$sslerr == constant("ERROR_WANT_READ") && do {
# operation did not complete, call again later, so do not
# set errname and empty err_que since this is a known
# error that is expected but, we should continue to try
# writing the rest of our data with same io call and params.
warn "ERROR_WANT_READ (TLS/SSL Handshake, will continue)\n"
if $trace;
print_errs('SSL_write(want read)');
last SWITCH;
};
$sslerr == constant("ERROR_WANT_WRITE") && do {
# operation did not complete, call again later, so do not
# set errname and empty err_que since this is a known
# error that is expected but, we should continue to try
# writing the rest of our data with same io call and params.
warn "ERROR_WANT_WRITE (TLS/SSL Handshake, will continue)\n"
if $trace;
print_errs('SSL_write(want write)');
last SWITCH;
};
$sslerr == constant("ERROR_ZERO_RETURN") && do {
# valid protocol closure from other side, no longer able to
# write, since there is no longer a session...
warn "ERROR_ZERO_RETURN($wrote): TLS/SSLv3 Closure alert\n"
if $trace;
$errname = "SSL_ERROR_ZERO_RETURN";
last SWITCH;
};
$sslerr == constant("ERROR_SSL") && do {
# library/protocol error
warn "ERROR_SSL($wrote): Library/Protocol error occured\n"
if $trace;
$errname = "SSL_ERROR_SSL";
last SWITCH;
};
$sslerr == constant("ERROR_WANT_CONNECT") && do {
# according to man page, should never happen on call to
# SSL_write, so complain, but handle as known error type
warn "ERROR_WANT_CONNECT: Unexpected error for SSL_write\n"
if $trace;
$errname = "SSL_ERROR_WANT_CONNECT";
last SWITCH;
};
$sslerr == constant("ERROR_WANT_ACCEPT") && do {
# according to man page, should never happen on call to
# SSL_write, so complain, but handle as known error type
warn "ERROR_WANT_ACCEPT: Unexpected error for SSL_write\n"
if $trace;
$errname = "SSL_ERROR_WANT_ACCEPT";
last SWITCH;
};
$sslerr == constant("ERROR_WANT_X509_LOOKUP") && do {
# operation did not complete: waiting on call back,
# call again later, so do not set errname and empty err_que
# since this is a known error that is expected but, we should
# continue to try writing the rest of our data with same io
# call parameter.
warn "ERROR_WANT_X509_LOOKUP: (Cert Callback asked for in ".
"SSL_write will contine)\n" if $trace;
print_errs('SSL_write(want x509');
last SWITCH;
};
$sslerr == constant("ERROR_SYSCALL") && do {
# some IO error occured. According to man page:
# Check retval, ERR, fallback to errno
if ($wrote==0) { # EOF
warn "ERROR_SYSCALL($wrote): EOF violates protocol.\n"
if $trace;
$errname = "SSL_ERROR_SYSCALL(EOF)";
} else { # -1 underlying BIO error reported.
# check error que for details, don't set errname since we
# are directly appending to errs
my $chkerrs = print_errs('SSL_write (syscall)');
if ($chkerrs) {
warn "ERROR_SYSCALL($wrote): Have errors\n" if $trace;
$errs .= "ssl_write_all $$: 1 - ERROR_SYSCALL($wrote,".
"$sslerr,$errstr,$!)\n$chkerrs";
} else { # que was empty, use errno
warn "ERROR_SYSCALL($wrote): errno($!)\n" if $trace;
$errs .= "ssl_write_all $$: 1 - ERROR_SYSCALL($wrote,".
"$sslerr) : $!\n";
}
}
last SWITCH;
};
warn "Unhandled val $sslerr from SSL_get_error(SSL,$wrote)\n"
if $trace;
$errname = "SSL_ERROR_?($sslerr)";
} # end of SWITCH block
if ($errname) { # if we had an errname set add the error
$errs .= "ssl_write_all $$: 1 - $errname($wrote,$sslerr,".
"$errstr,$!)\n";
}
} # endif on have SSL_get_error val
} # endif on $wrote defined
} # endelse on $wrote > 0
$vm = $trace>2 && $linux_debug ?
(split ' ', `cat /proc/$$/stat`)[22] : 'vm_unknown';
warn " written so far $wrote:$written bytes (VM=$vm)\n" if $trace>2;
# append remaining errors in que and report if errs exist
$errs .= print_errs('SSL_write');
return (wantarray ? (undef, $errs) : undef) if $errs;
}
return wantarray ? ($written, $errs) : $written;
}
sub tcp_write_all {
my ($data_ref, $errs);
if (ref $_[0]) {
$data_ref = $_[0];
} else {
$data_ref = \$_[0];
}
my ($wrote, $written, $to_write) = (0,0, blength($$data_ref));
my $vm = $trace>2 && $linux_debug ?
(split ' ', `cat /proc/$$/stat`)[22] : 'vm_unknown';
warn " write_all VM at entry=$vm to_write=$to_write\n" if $trace>2;
while ($to_write) {
warn "partial `$$data_ref'\n" if $trace>3;
$wrote = syswrite(SSLCAT_S, $$data_ref, $to_write, $written);
if (defined $wrote && ($wrote > 0)) { # write_partial can return -1
$written += $wrote;
$to_write -= $wrote;
} elsif (!defined($wrote)) {
warn "tcp_write_all: $!";
return (wantarray ? (undef, "$!") : undef);
}
$vm = $trace>2 && $linux_debug ?
(split ' ', `cat /proc/$$/stat`)[22] : 'vm_unknown';
warn " written so far $wrote:$written bytes (VM=$vm)\n" if $trace>2;
}
return wantarray ? ($written, '') : $written;
}
### from patch by Clinton Wong <clintdw@netcom.com>
# ssl_read_until($ssl [, $delimit [, $max_length]])
# if $delimit missing, use $/ if it exists, otherwise use \n
# read until delimiter reached, up to $max_length chars if defined
sub ssl_read_until ($;$$) {
my ($ssl,$delim, $max_length) = @_;
# guess the delim string if missing
if ( ! defined $delim ) {
if ( defined $/ && length $/ ) { $delim = $/ }
else { $delim = "\n" } # Note: \n,$/ value depends on the platform
}
my $len_delim = length $delim;
my ($got);
my $reply = '';
# If we have OpenSSL 0.9.6a or later, we can use SSL_peek to
# speed things up.
# N.B. 0.9.6a has security problems, so the support for
# anything earlier than 0.9.6e will be dropped soon.
if (&Net::SSLeay::OPENSSL_VERSION_NUMBER >= 0x0090601f) {
$max_length = 2000000000 unless (defined $max_length);
my ($pending, $peek_length, $found, $done);
while (blength($reply) < $max_length and !$done) {
#Block if necessary until we get some data
$got = Net::SSLeay::peek($ssl,1);
last if print_errs('SSL_peek');
$pending = Net::SSLeay::pending($ssl) + blength($reply);
$peek_length = ($pending > $max_length) ? $max_length : $pending;
$peek_length -= blength($reply);
$got = Net::SSLeay::peek($ssl, $peek_length);
last if print_errs('SSL_peek');
$peek_length = blength($got);
#$found = index($got, $delim); # Old and broken
# the delimiter may be split across two gets, so we prepend
# a little from the last get onto this one before we check
# for a match
my $match;
if(blength($reply) >= blength($delim) - 1) {
#if what we've read so far is greater or equal
#in length of what we need to prepatch
$match = substr $reply, blength($reply) - blength($delim) + 1;
} else {
$match = $reply;
}
$match .= $got;
$found = index($match, $delim);
if ($found > -1) {
#$got = Net::SSLeay::read($ssl, $found+$len_delim);
#read up to the end of the delimiter
$got = Net::SSLeay::read($ssl,
$found + $len_delim
- ((blength($match)) - (blength($got))));
$done = 1;
} else {
$got = Net::SSLeay::read($ssl, $peek_length);
$done = 1 if ($peek_length == $max_length - blength($reply));
}
last if print_errs('SSL_read');
debug_read(\$reply, \$got) if $trace>1;
last if $got eq '';
$reply .= $got;
}
} else {
while (!defined $max_length || length $reply < $max_length) {
$got = Net::SSLeay::read($ssl,1); # one by one
last if print_errs('SSL_read');
debug_read(\$reply, \$got) if $trace>1;
last if $got eq '';
$reply .= $got;
last if $len_delim
&& substr($reply, blength($reply)-$len_delim) eq $delim;
}
}
return $reply;
}
sub tcp_read_until {
my ($delim, $max_length) = @_;
# guess the delim string if missing
if ( ! defined $delim ) {
if ( defined $/ && length $/ ) { $delim = $/ }
else { $delim = "\n" } # Note: \n,$/ value depends on the platform
}
my $len_delim = length $delim;
my ($n,$got);
my $reply = '';
while (!defined $max_length || length $reply < $max_length) {
$n = sysread(SSLCAT_S, $got, 1); # one by one
warn "tcp_read_until: $!" if !defined $n;
debug_read(\$reply, \$got) if $trace>1;
last if !$n; # EOF
$reply .= $got;
last if $len_delim
&& substr($reply, blength($reply)-$len_delim) eq $delim;
}
return $reply;
}
# ssl_read_CRLF($ssl [, $max_length])
sub ssl_read_CRLF ($;$) { ssl_read_until($_[0], $CRLF, $_[1]) }
sub tcp_read_CRLF { tcp_read_until($CRLF, $_[0]) }
# ssl_write_CRLF($ssl, $message) writes $message and appends CRLF
sub ssl_write_CRLF ($$) {
# the next line uses less memory but might use more network packets
return ssl_write_all($_[0], $_[1]) + ssl_write_all($_[0], $CRLF);
# the next few lines do the same thing at the expense of memory, with
# the chance that it will use less packets, since CRLF is in the original
# message and won't be sent separately.
#my $data_ref;
#if (ref $_[1]) { $data_ref = $_[1] }
# else { $data_ref = \$_[1] }
#my $message = $$data_ref . $CRLF;
#return ssl_write_all($_[0], \$message);
}
sub tcp_write_CRLF {
# the next line uses less memory but might use more network packets
return tcp_write_all($_[0]) + tcp_write_all($CRLF);
# the next few lines do the same thing at the expense of memory, with
# the chance that it will use less packets, since CRLF is in the original
# message and won't be sent separately.
#my $data_ref;
#if (ref $_[1]) { $data_ref = $_[1] }
# else { $data_ref = \$_[1] }
#my $message = $$data_ref . $CRLF;
#return tcp_write_all($_[0], \$message);
}
### Quickly print out with whom we're talking
sub dump_peer_certificate ($) {
my ($ssl) = @_;
my $cert = get_peer_certificate($ssl);
return if print_errs('get_peer_certificate');
print "no cert defined\n" if !defined($cert);
# Cipher=NONE with empty cert fix
if (!defined($cert) || ($cert == 0)) {
warn "cert = `$cert'\n" if $trace;
return "Subject Name: undefined\nIssuer Name: undefined\n";
} else {
my $x = 'Subject Name: '
. X509_NAME_oneline(X509_get_subject_name($cert)) . "\n"
. 'Issuer Name: '
. X509_NAME_oneline(X509_get_issuer_name($cert)) . "\n";
Net::SSLeay::X509_free($cert);
return $x;
}
}
### Arrange some randomness for eay PRNG
sub randomize (;$$$) {
my ($rn_seed_file, $seed, $egd_path) = @_;
my $rnsf = defined($rn_seed_file) && -r $rn_seed_file;
$egd_path = '';
$egd_path = $ENV{'EGD_PATH'} if $ENV{'EGD_PATH'};
RAND_seed(rand() + $$); # Stir it with time and pid
unless ($rnsf || -r $Net::SSLeay::random_device || $seed || -S $egd_path) {
my $poll_retval = Net::SSLeay::RAND_poll();
warn "Random number generator not seeded!!!" if $trace && !$poll_retval;
}
RAND_load_file($rn_seed_file, -s _) if $rnsf;
RAND_seed($seed) if $seed;
RAND_seed($ENV{RND_SEED}) if $ENV{RND_SEED};
RAND_egd($egd_path) if -e $egd_path && -S _;
RAND_load_file($Net::SSLeay::random_device, $Net::SSLeay::how_random/8)
if -r $Net::SSLeay::random_device;
}
sub new_x_ctx {
if ($ssl_version == 2) {
unless (exists &Net::SSLeay::CTX_v2_new) {
warn "ssl_version has been set to 2, but this version of OpenSSL has been compiled without SSLv2 support";
return undef;
}
$ctx = CTX_v2_new();
}
elsif ($ssl_version == 3) { $ctx = CTX_v3_new(); }
elsif ($ssl_version == 10) { $ctx = CTX_tlsv1_new(); }
elsif ($ssl_version == 11) {
unless (exists &Net::SSLeay::CTX_tlsv1_1_new) {
warn "ssl_version has been set to 11, but this version of OpenSSL has been compiled without TLSv1.1 support";
return undef;
}
$ctx = CTX_tlsv1_1_new;
}
elsif ($ssl_version == 12) {
unless (exists &Net::SSLeay::CTX_tlsv1_2_new) {
warn "ssl_version has been set to 12, but this version of OpenSSL has been compiled without TLSv1.2 support";
return undef;
}
$ctx = CTX_tlsv1_2_new;
}
else { $ctx = CTX_new(); }
return $ctx;
}
###
### Standard initialisation. Initialise the ssl library in the usual way
### at most once. Override this if you need differnet initialisation
### SSLeay_add_ssl_algorithms is also protected against multiple runs in SSLeay.xs
### and is also mutex protected in threading perls
###
my $library_initialised;
sub initialize
{
if (!$library_initialised)
{
load_error_strings(); # Some bloat, but I'm after ease of use
SSLeay_add_ssl_algorithms(); # and debuggability.
randomize();
$library_initialised++;
}
}
###
### Basic request - response primitive (don't use for https)
###
sub sslcat { # address, port, message, $crt, $key --> reply / (reply,errs,cert)
my ($dest_serv, $port, $out_message, $crt_path, $key_path) = @_;
my ($ctx, $ssl, $got, $errs, $written);
($got, $errs) = open_proxy_tcp_connection($dest_serv, $port);
return (wantarray ? (undef, $errs) : undef) unless $got;
### Do SSL negotiation stuff
warn "Creating SSL $ssl_version context...\n" if $trace>2;
initialize(); # Will init at most once
$ctx = new_x_ctx();
goto cleanup2 if $errs = print_errs('CTX_new') or !$ctx;
CTX_set_options($ctx, &OP_ALL);
goto cleanup2 if $errs = print_errs('CTX_set_options');
warn "Cert `$crt_path' given without key" if $crt_path && !$key_path;
set_cert_and_key($ctx, $crt_path, $key_path) if $crt_path;
warn "Creating SSL connection (context was '$ctx')...\n" if $trace>2;
$ssl = new($ctx);
goto cleanup if $errs = print_errs('SSL_new') or !$ssl;
warn "Setting fd (ctx $ctx, con $ssl)...\n" if $trace>2;
set_fd($ssl, fileno(SSLCAT_S));
goto cleanup if $errs = print_errs('set_fd');
warn "Entering SSL negotiation phase...\n" if $trace>2;
if ($trace>2) {
my $i = 0;
my $p = '';
my $cipher_list = 'Cipher list: ';
$p=Net::SSLeay::get_cipher_list($ssl,$i);
$cipher_list .= $p if $p;
do {
$i++;
$cipher_list .= ', ' . $p if $p;
$p=Net::SSLeay::get_cipher_list($ssl,$i);
} while $p;
$cipher_list .= '\n';
warn $cipher_list;
}
$got = Net::SSLeay::connect($ssl);
warn "SSLeay connect returned $got\n" if $trace>2;
goto cleanup if $errs = print_errs('SSL_connect');
my $server_cert = get_peer_certificate($ssl);
print_errs('get_peer_certificate');
if ($trace>1) {
warn "Cipher `" . get_cipher($ssl) . "'\n";
print_errs('get_ciper');
warn dump_peer_certificate($ssl);
}
### Connected. Exchange some data (doing repeated tries if necessary).
warn "sslcat $$: sending " . blength($out_message) . " bytes...\n"
if $trace==3;
warn "sslcat $$: sending `$out_message' (" . blength($out_message)
. " bytes)...\n" if $trace>3;
($written, $errs) = ssl_write_all($ssl, $out_message);
goto cleanup unless $written;
sleep $slowly if $slowly; # Closing too soon can abort broken servers
CORE::shutdown SSLCAT_S, 1; # Half close --> No more output, send EOF to server
warn "waiting for reply...\n" if $trace>2;
($got, $errs) = ssl_read_all($ssl);
warn "Got " . blength($got) . " bytes.\n" if $trace==3;
warn "Got `$got' (" . blength($got) . " bytes)\n" if $trace>3;
cleanup:
free ($ssl);
$errs .= print_errs('SSL_free');
cleanup2:
CTX_free ($ctx);
$errs .= print_errs('CTX_free');
close SSLCAT_S;
return wantarray ? ($got, $errs, $server_cert) : $got;
}
sub tcpcat { # address, port, message, $crt, $key --> reply / (reply,errs,cert)
my ($dest_serv, $port, $out_message) = @_;
my ($got, $errs, $written);
($got, $errs) = open_proxy_tcp_connection($dest_serv, $port);
return (wantarray ? (undef, $errs) : undef) unless $got;
### Connected. Exchange some data (doing repeated tries if necessary).
warn "tcpcat $$: sending " . blength($out_message) . " bytes...\n"
if $trace==3;
warn "tcpcat $$: sending `$out_message' (" . blength($out_message)
. " bytes)...\n" if $trace>3;
($written, $errs) = tcp_write_all($out_message);
goto cleanup unless $written;
sleep $slowly if $slowly; # Closing too soon can abort broken servers
CORE::shutdown SSLCAT_S, 1; # Half close --> No more output, send EOF to server
warn "waiting for reply...\n" if $trace>2;
($got, $errs) = tcp_read_all($ssl);
warn "Got " . blength($got) . " bytes.\n" if $trace==3;
warn "Got `$got' (" . blength($got) . " bytes)\n" if $trace>3;
cleanup:
close SSLCAT_S;
return wantarray ? ($got, $errs) : $got;
}
sub tcpxcat {
my ($usessl, $site, $port, $req, $crt_path, $key_path) = @_;
if ($usessl) {
return sslcat($site, $port, $req, $crt_path, $key_path);
} else {
return tcpcat($site, $port, $req);
}
}
###
### Basic request - response primitive, this is different from sslcat
### because this does not shutdown the connection.
###
sub https_cat { # address, port, message --> returns reply / (reply,errs,cert)
my ($dest_serv, $port, $out_message, $crt_path, $key_path) = @_;
my ($ctx, $ssl, $got, $errs, $written);
($got, $errs) = open_proxy_tcp_connection($dest_serv, $port);
return (wantarray ? (undef, $errs) : undef) unless $got;
### Do SSL negotiation stuff
warn "Creating SSL $ssl_version context...\n" if $trace>2;
initialize();
$ctx = new_x_ctx();
goto cleanup2 if $errs = print_errs('CTX_new') or !$ctx;
CTX_set_options($ctx, &OP_ALL);
goto cleanup2 if $errs = print_errs('CTX_set_options');
warn "Cert `$crt_path' given without key" if $crt_path && !$key_path;
set_cert_and_key($ctx, $crt_path, $key_path) if $crt_path;
warn "Creating SSL connection (context was '$ctx')...\n" if $trace>2;
$ssl = new($ctx);
goto cleanup if $errs = print_errs('SSL_new') or !$ssl;
warn "Setting fd (ctx $ctx, con $ssl)...\n" if $trace>2;
set_fd($ssl, fileno(SSLCAT_S));
goto cleanup if $errs = print_errs('set_fd');
warn "Entering SSL negotiation phase...\n" if $trace>2;
if ($trace>2) {
my $i = 0;
my $p = '';
my $cipher_list = 'Cipher list: ';
$p=Net::SSLeay::get_cipher_list($ssl,$i);
$cipher_list .= $p if $p;
do {
$i++;
$cipher_list .= ', ' . $p if $p;
$p=Net::SSLeay::get_cipher_list($ssl,$i);
} while $p;
$cipher_list .= '\n';
warn $cipher_list;
}
$got = Net::SSLeay::connect($ssl);
warn "SSLeay connect failed" if $trace>2 && $got==0;
goto cleanup if $errs = print_errs('SSL_connect');
my $server_cert = get_peer_certificate($ssl);
print_errs('get_peer_certificate');
if ($trace>1) {
warn "Cipher `" . get_cipher($ssl) . "'\n";
print_errs('get_ciper');
warn dump_peer_certificate($ssl);
}
### Connected. Exchange some data (doing repeated tries if necessary).
warn "https_cat $$: sending " . blength($out_message) . " bytes...\n"
if $trace==3;
warn "https_cat $$: sending `$out_message' (" . blength($out_message)
. " bytes)...\n" if $trace>3;
($written, $errs) = ssl_write_all($ssl, $out_message);
goto cleanup unless $written;
warn "waiting for reply...\n" if $trace>2;
($got, $errs) = ssl_read_all($ssl);
warn "Got " . blength($got) . " bytes.\n" if $trace==3;
warn "Got `$got' (" . blength($got) . " bytes)\n" if $trace>3;
cleanup:
free ($ssl);
$errs .= print_errs('SSL_free');
cleanup2:
CTX_free ($ctx);
$errs .= print_errs('CTX_free');
close SSLCAT_S;
return wantarray ? ($got, $errs, $server_cert) : $got;
}
sub http_cat { # address, port, message --> returns reply / (reply,errs,cert)
my ($dest_serv, $port, $out_message) = @_;
my ($got, $errs, $written);
($got, $errs) = open_proxy_tcp_connection($dest_serv, $port);
return (wantarray ? (undef, $errs) : undef) unless $got;
### Connected. Exchange some data (doing repeated tries if necessary).
warn "http_cat $$: sending " . blength($out_message) . " bytes...\n"
if $trace==3;
warn "http_cat $$: sending `$out_message' (" . blength($out_message)
. " bytes)...\n" if $trace>3;
($written, $errs) = tcp_write_all($out_message);
goto cleanup unless $written;
warn "waiting for reply...\n" if $trace>2;
($got, $errs) = tcp_read_all(200000);
warn "Got " . blength($got) . " bytes.\n" if $trace==3;
warn "Got `$got' (" . blength($got) . " bytes)\n" if $trace>3;
cleanup:
close SSLCAT_S;
return wantarray ? ($got, $errs) : $got;
}
sub httpx_cat {
my ($usessl, $site, $port, $req, $crt_path, $key_path) = @_;
warn "httpx_cat: usessl=$usessl ($site:$port)" if $trace;
if ($usessl) {
return https_cat($site, $port, $req, $crt_path, $key_path);
} else {
return http_cat($site, $port, $req);
}
}
###
### Easy set up of private key and certificate
###
sub set_cert_and_key ($$$) {
my ($ctx, $cert_path, $key_path) = @_;
my $errs = '';
# Following will ask password unless private key is not encrypted
CTX_use_PrivateKey_file ($ctx, $key_path, &FILETYPE_PEM);
$errs .= print_errs("private key `$key_path' ($!)");
CTX_use_certificate_file ($ctx, $cert_path, &FILETYPE_PEM);
$errs .= print_errs("certificate `$cert_path' ($!)");
return wantarray ? (undef, $errs) : ($errs eq '');
}
### Old deprecated API
sub set_server_cert_and_key ($$$) { &set_cert_and_key }
### Set up to use web proxy
sub set_proxy ($$;**) {
($proxyhost, $proxyport, $proxyuser, $proxypass) = @_;
require MIME::Base64 if $proxyuser;
$proxyauth = $proxyuser
? $CRLF . 'Proxy-authorization: Basic '
. MIME::Base64::encode("$proxyuser:$proxypass", '')
: '';
}
###
### Easy https manipulation routines
###
sub make_form {
my (@fields) = @_;
my $form;
while (@fields) {
my ($name, $data) = (shift(@fields), shift(@fields));
$data =~ s/([^\w\-.\@\$ ])/sprintf("%%%2.2x",ord($1))/gse;
$data =~ tr[ ][+];
$form .= "$name=$data&";
}
chop $form;
return $form;
}
sub make_headers {
my (@headers) = @_;
my $headers;
while (@headers) {
my $header = shift(@headers);
my $value = shift(@headers);
$header =~ s/:$//;
$value =~ s/\x0d?\x0a$//; # because we add it soon, see below
$headers .= "$header: $value$CRLF";
}
return $headers;
}
sub do_httpx3 {
my ($method, $usessl, $site, $port, $path, $headers,
$content, $mime_type, $crt_path, $key_path) = @_;
my ($response, $page, $h,$v);
my $len = blength($content);
if ($len) {
$mime_type = "application/x-www-form-urlencoded" unless $mime_type;
$content = "Content-Type: $mime_type$CRLF"
. "Content-Length: $len$CRLF$CRLF$content";
} else {
$content = "$CRLF$CRLF";
}
my $req = "$method $path HTTP/1.0$CRLF";
unless (defined $headers && $headers =~ /^Host:/m) {
$req .= "Host: $site";
unless (($port == 80 && !$usessl) || ($port == 443 && $usessl)) {
$req .= ":$port";
}
$req .= $CRLF;
}
$req .= (defined $headers ? $headers : '') . "Accept: */*$CRLF$content";
warn "do_httpx3($method,$usessl,$site:$port)" if $trace;
my ($http, $errs, $server_cert)
= httpx_cat($usessl, $site, $port, $req, $crt_path, $key_path);
return (undef, "HTTP/1.0 900 NET OR SSL ERROR$CRLF$CRLF$errs") if $errs;
$http = '' if !defined $http;
($headers, $page) = split /\s?\n\s?\n/, $http, 2;
warn "headers >$headers< page >>$page<< http >>>$http<<<" if $trace>1;
($response, $headers) = split /\s?\n/, $headers, 2;
return ($page, $response, $headers, $server_cert);
}
sub do_https3 { splice(@_,1,0) = 1; do_httpx3; } # Legacy undocumented
### do_https2() is a legacy version in the sense that it is unable
### to return all instances of duplicate headers.
sub do_httpx2 {
my ($page, $response, $headers, $server_cert) = &do_httpx3;
X509_free($server_cert) if defined $server_cert;
return ($page, $response,
map( { ($h,$v)=/^(\S+)\:\s*(.*)$/; (uc($h),$v); }
split(/\s?\n/, $headers)
)
);
}
sub do_https2 { splice(@_,1,0) = 1; do_httpx2; } # Legacy undocumented
### Returns headers as a hash where multiple instances of same header
### are handled correctly.
sub do_httpx4 {
my ($page, $response, $headers, $server_cert) = &do_httpx3;
my %hr = ();
for my $hh (split /\s?\n/, $headers) {
my ($h,$v) = ($hh =~ /^(\S+)\:\s*(.*)$/);
push @{$hr{uc($h)}}, $v;
}
return ($page, $response, \%hr, $server_cert);
}
sub do_https4 { splice(@_,1,0) = 1; do_httpx4; } # Legacy undocumented
# https
sub get_https { do_httpx2(GET => 1, @_) }
sub post_https { do_httpx2(POST => 1, @_) }
sub put_https { do_httpx2(PUT => 1, @_) }
sub head_https { do_httpx2(HEAD => 1, @_) }
sub get_https3 { do_httpx3(GET => 1, @_) }
sub post_https3 { do_httpx3(POST => 1, @_) }
sub put_https3 { do_httpx3(PUT => 1, @_) }
sub head_https3 { do_httpx3(HEAD => 1, @_) }
sub get_https4 { do_httpx4(GET => 1, @_) }
sub post_https4 { do_httpx4(POST => 1, @_) }
sub put_https4 { do_httpx4(PUT => 1, @_) }
sub head_https4 { do_httpx4(HEAD => 1, @_) }
# http
sub get_http { do_httpx2(GET => 0, @_) }
sub post_http { do_httpx2(POST => 0, @_) }
sub put_http { do_httpx2(PUT => 0, @_) }
sub head_http { do_httpx2(HEAD => 0, @_) }
sub get_http3 { do_httpx3(GET => 0, @_) }
sub post_http3 { do_httpx3(POST => 0, @_) }
sub put_http3 { do_httpx3(PUT => 0, @_) }
sub head_http3 { do_httpx3(HEAD => 0, @_) }
sub get_http4 { do_httpx4(GET => 0, @_) }
sub post_http4 { do_httpx4(POST => 0, @_) }
sub put_http4 { do_httpx4(PUT => 0, @_) }
sub head_http4 { do_httpx4(HEAD => 0, @_) }
# Either https or http
sub get_httpx { do_httpx2(GET => @_) }
sub post_httpx { do_httpx2(POST => @_) }
sub put_httpx { do_httpx2(PUT => @_) }
sub head_httpx { do_httpx2(HEAD => @_) }
sub get_httpx3 { do_httpx3(GET => @_) }
sub post_httpx3 { do_httpx3(POST => @_) }
sub put_httpx3 { do_httpx3(PUT => @_) }
sub head_httpx3 { do_httpx3(HEAD => @_) }
sub get_httpx4 { do_httpx4(GET => @_) }
sub post_httpx4 { do_httpx4(POST => @_) }
sub put_httpx4 { do_httpx4(PUT => @_) }
sub head_httpx4 { do_httpx4(HEAD => @_) }
### Legacy, don't use
# ($page, $respone_or_err, %headers) = do_https(...);
sub do_https {
my ($site, $port, $path, $method, $headers,
$content, $mime_type, $crt_path, $key_path) = @_;
do_https2($method, $site, $port, $path, $headers,
$content, $mime_type, $crt_path, $key_path);
}
1;
__END__
Mini Shell