913 lines
22 KiB
Diff
913 lines
22 KiB
Diff
From https://github.com/openbsd/ports/blob/master/net/p5-Net-SNMP/patches/patch-lib_Net_SNMP_Security_USM_pm
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Tests for the additional algorithms have also been added.
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diff --git a/MANIFEST b/MANIFEST
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index 3430564..d3dd7f0 100644
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--- a/MANIFEST
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+++ b/MANIFEST
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@@ -40,3 +40,7 @@ t/usm-sha1-3des.t
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t/usm-sha1-aes.t
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t/usm-sha1-cfb192aes.t
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t/usm-sha1-des.t
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+t/usm-sha224-aes.t
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+t/usm-sha256-aes.t
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+t/usm-sha384-aes.t
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+t/usm-sha512-aes.t
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diff --git a/lib/Net/SNMP/Security/USM.pm b/lib/Net/SNMP/Security/USM.pm
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index a76ef56..0bcd52c 100644
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--- a/lib/Net/SNMP/Security/USM.pm
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+++ b/lib/Net/SNMP/Security/USM.pm
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@@ -26,8 +26,9 @@ use Net::SNMP::Message qw(
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use Crypt::DES();
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use Digest::MD5();
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use Digest::SHA();
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-use Digest::HMAC_MD5();
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-use Digest::HMAC_SHA1();
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+
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+use Digest::SHA qw( hmac_sha1 hmac_sha224 hmac_sha256 hmac_sha384 hmac_sha512 );
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+use Digest::HMAC_MD5 qw ( hmac_md5 );
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## Version of the Net::SNMP::Security::USM module
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@@ -41,7 +42,9 @@ our @EXPORT_OK;
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our %EXPORT_TAGS = (
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authprotos => [
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- qw( AUTH_PROTOCOL_NONE AUTH_PROTOCOL_HMACMD5 AUTH_PROTOCOL_HMACSHA )
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+ qw( AUTH_PROTOCOL_NONE AUTH_PROTOCOL_HMACMD5 AUTH_PROTOCOL_HMACSHA
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+ AUTH_PROTOCOL_HMACSHA224 AUTH_PROTOCOL_HMACSHA256
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+ AUTH_PROTOCOL_HMACSHA384 AUTH_PROTOCOL_HMACSHA512 )
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],
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levels => [
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qw( SECURITY_LEVEL_NOAUTHNOPRIV SECURITY_LEVEL_AUTHNOPRIV
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@@ -64,9 +67,13 @@ $EXPORT_TAGS{ALL} = [ @EXPORT_OK ];
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## RCC 3414 - Authentication protocols
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-sub AUTH_PROTOCOL_NONE { '1.3.6.1.6.3.10.1.1.1' } # usmNoAuthProtocol
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-sub AUTH_PROTOCOL_HMACMD5 { '1.3.6.1.6.3.10.1.1.2' } # usmHMACMD5AuthProtocol
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-sub AUTH_PROTOCOL_HMACSHA { '1.3.6.1.6.3.10.1.1.3' } # usmHMACSHAAuthProtocol
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+sub AUTH_PROTOCOL_NONE { '1.3.6.1.6.3.10.1.1.1' } # usmNoAuthProtocol
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+sub AUTH_PROTOCOL_HMACMD5 { '1.3.6.1.6.3.10.1.1.2' } # usmHMACMD5AuthProtocol
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+sub AUTH_PROTOCOL_HMACSHA { '1.3.6.1.6.3.10.1.1.3' } # usmHMACSHAAuthProtocol
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+sub AUTH_PROTOCOL_HMACSHA224 { '1.3.6.1.6.3.10.1.1.4' } # usmHMAC128SHA224AuthProtocol
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+sub AUTH_PROTOCOL_HMACSHA256 { '1.3.6.1.6.3.10.1.1.5' } # usmHMAC192SHA256AuthProtocol
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+sub AUTH_PROTOCOL_HMACSHA384 { '1.3.6.1.6.3.10.1.1.6' } # usmHMAC256SHA384AuthProtocol
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+sub AUTH_PROTOCOL_HMACSHA512 { '1.3.6.1.6.3.10.1.1.7' } # usmHMAC384SHA512AuthProtocol
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## RFC 3414 - Privacy protocols
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@@ -125,6 +132,7 @@ sub new
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'_time_epoc' => time(), # snmpEngineBoots epoc
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'_user_name' => q{}, # securityName
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'_auth_data' => undef, # Authentication data
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+ '_auth_maclen' => undef, # MAC length
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'_auth_key' => undef, # authKey
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'_auth_password' => undef, # Authentication password
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'_auth_protocol' => AUTH_PROTOCOL_HMACMD5, # authProtocol
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@@ -281,10 +289,10 @@ sub generate_request_msg
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if ($pdu->security_level() > SECURITY_LEVEL_NOAUTHNOPRIV) {
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# Save the location to fill in msgAuthenticationParameters later
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- $auth_location = $msg->length() + 12 + length $pdu_buffer;
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+ $auth_location = $msg->length() + $this->{_auth_maclen} + length $pdu_buffer;
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# Set the msgAuthenticationParameters to all zeros
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- $auth_params = pack 'x12';
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+ $auth_params = pack "x$this->{_auth_maclen}";
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}
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if (!defined $msg->prepare(OCTET_STRING, $auth_params)) {
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@@ -419,12 +427,12 @@ sub process_incoming_msg
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# to compute the HMAC properly.
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if (my $len = length $auth_params) {
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- if ($len != 12) {
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+ if ($len != $this->{_auth_maclen}) {
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return $this->_error(
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'The msgAuthenticationParameters length of %d is invalid', $len
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);
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}
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- substr ${$msg->reference}, ($msg->index() - 12), 12, pack 'x12';
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+ substr ${$msg->reference}, ($msg->index() - $this->{_auth_maclen}), $this->{_auth_maclen}, pack "x$this->{_auth_maclen}";
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}
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# msgPrivacyParameters::=OCTET STRING
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@@ -748,6 +756,18 @@ sub _auth_password
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quotemeta AUTH_PROTOCOL_HMACMD5, AUTH_PROTOCOL_HMACMD5,
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'(?:hmac-)?sha(?:-?1|-96)?', AUTH_PROTOCOL_HMACSHA,
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quotemeta AUTH_PROTOCOL_HMACSHA, AUTH_PROTOCOL_HMACSHA,
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+ '(?:hmac-)?sha(?:-?224)', AUTH_PROTOCOL_HMACSHA224,
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+ 'usmHMAC128SHA224AuthProtocol', AUTH_PROTOCOL_HMACSHA224,
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+ quotemeta AUTH_PROTOCOL_HMACSHA224,AUTH_PROTOCOL_HMACSHA224,
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+ '(?:hmac-)?sha(?:-?256)', AUTH_PROTOCOL_HMACSHA256,
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+ 'usmHMAC192SHA256AuthProtocol', AUTH_PROTOCOL_HMACSHA256,
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+ quotemeta AUTH_PROTOCOL_HMACSHA256,AUTH_PROTOCOL_HMACSHA256,
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+ '(?:hmac-)?sha(?:-?384)', AUTH_PROTOCOL_HMACSHA384,
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+ 'usmHMAC256SHA384AuthProtocol', AUTH_PROTOCOL_HMACSHA384,
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+ quotemeta AUTH_PROTOCOL_HMACSHA384,AUTH_PROTOCOL_HMACSHA384,
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+ '(?:hmac-)?sha(?:-?512)', AUTH_PROTOCOL_HMACSHA512,
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+ 'usmHMAC384SHA512AuthProtocol', AUTH_PROTOCOL_HMACSHA512,
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+ quotemeta AUTH_PROTOCOL_HMACSHA512,AUTH_PROTOCOL_HMACSHA512,
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};
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sub _auth_protocol
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@@ -1100,7 +1120,7 @@ sub _authenticate_outgoing_msg
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}
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# Set the msgAuthenticationParameters
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- substr ${$msg->reference}, -$auth_location, 12, $this->_auth_hmac($msg);
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+ substr ${$msg->reference}, -$auth_location, $this->{_auth_maclen}, $this->_auth_hmac($msg);
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return TRUE;
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}
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@@ -1126,7 +1146,7 @@ sub _auth_hmac
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return q{} if (!defined($this->{_auth_data}) || !defined $msg);
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return substr
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- $this->{_auth_data}->reset()->add(${$msg->reference()})->digest(), 0, 12;
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+ $this->{_auth_data}(${$msg->reference()}, $this->{_auth_key}), 0, $this->{_auth_maclen};
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}
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sub _auth_data_init
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@@ -1141,16 +1161,35 @@ sub _auth_data_init
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if ($this->{_auth_protocol} eq AUTH_PROTOCOL_HMACMD5) {
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- $this->{_auth_data} =
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- Digest::HMAC_MD5->new($this->{_auth_key});
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+ $this->{_auth_data} = \&hmac_md5;
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+ $this->{_auth_maclen} = 12;
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} elsif ($this->{_auth_protocol} eq AUTH_PROTOCOL_HMACSHA) {
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- $this->{_auth_data} =
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- Digest::HMAC_SHA1->new($this->{_auth_key});
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+ $this->{_auth_data} = \&hmac_sha1;
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+ $this->{_auth_maclen} = 12;
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+
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+ } elsif ($this->{_auth_protocol} eq AUTH_PROTOCOL_HMACSHA224) {
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+
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+ $this->{_auth_data} = \&hmac_sha224;
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+ $this->{_auth_maclen} = 16;
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+
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+ } elsif ($this->{_auth_protocol} eq AUTH_PROTOCOL_HMACSHA256) {
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+
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+ $this->{_auth_data} = \&hmac_sha256;
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+ $this->{_auth_maclen} = 24;
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+
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+ } elsif ($this->{_auth_protocol} eq AUTH_PROTOCOL_HMACSHA384) {
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+
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+ $this->{_auth_data} = \&hmac_sha384;
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+ $this->{_auth_maclen} = 32;
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+
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+ } elsif ($this->{_auth_protocol} eq AUTH_PROTOCOL_HMACSHA512) {
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+
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+ $this->{_auth_data} = \&hmac_sha512;
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+ $this->{_auth_maclen} = 48;
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} else {
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-
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return $this->_error(
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'The authProtocol "%s" is unknown', $this->{_auth_protocol}
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);
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@@ -1628,6 +1667,10 @@ sub _auth_key_validate
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{
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AUTH_PROTOCOL_HMACMD5, [ 16, 'HMAC-MD5' ],
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AUTH_PROTOCOL_HMACSHA, [ 20, 'HMAC-SHA1' ],
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+ AUTH_PROTOCOL_HMACSHA224, [ 28, 'HMAC-SHA224' ],
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+ AUTH_PROTOCOL_HMACSHA256, [ 32, 'HMAC-SHA256' ],
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+ AUTH_PROTOCOL_HMACSHA384, [ 48, 'HMAC-SHA384' ],
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+ AUTH_PROTOCOL_HMACSHA512, [ 64, 'HMAC-SHA512' ],
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};
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if (!exists $key_len->{$this->{_auth_protocol}}) {
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@@ -1783,8 +1826,12 @@ sub _password_localize
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my $digests =
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{
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- AUTH_PROTOCOL_HMACMD5, 'Digest::MD5',
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- AUTH_PROTOCOL_HMACSHA, 'Digest::SHA',
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+ AUTH_PROTOCOL_HMACMD5, ['Digest::MD5', ],
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+ AUTH_PROTOCOL_HMACSHA, ['Digest::SHA', 1],
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+ AUTH_PROTOCOL_HMACSHA224, ['Digest::SHA', 224],
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+ AUTH_PROTOCOL_HMACSHA256, ['Digest::SHA', 256],
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+ AUTH_PROTOCOL_HMACSHA384, ['Digest::SHA', 384],
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+ AUTH_PROTOCOL_HMACSHA512, ['Digest::SHA', 512],
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};
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if (!exists $digests->{$this->{_auth_protocol}}) {
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@@ -1793,7 +1840,12 @@ sub _password_localize
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);
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}
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- my $digest = $digests->{$this->{_auth_protocol}}->new;
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+ my $digest;
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+ if (!defined($digests->{$this->{_auth_protocol}}[1])) {
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+ $digest = $digests->{$this->{_auth_protocol}}[0]->new;
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+ } else {
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+ $digest = $digests->{$this->{_auth_protocol}}[0]->new($digests->{$this->{_auth_protocol}}[1]);
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+ }
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# Create the initial digest using the password
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diff --git a/t/usm-sha224-aes.t b/t/usm-sha224-aes.t
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new file mode 100644
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index 0000000..e7d118e
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--- /dev/null
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+++ b/t/usm-sha224-aes.t
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@@ -0,0 +1,169 @@
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+# -*- mode: perl -*-
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+# ============================================================================
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+
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+# Test of the SNMPv3 User-based Security Model.
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+
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+# Copyright (c) 2001-2009 David M. Town <dtown@cpan.org>.
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+# Copyright (c) 2024 Michal Josef Špaček <skim@cpan.org>.
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+# All rights reserved.
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+
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+# This program is free software; you may redistribute it and/or modify it
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+# under the same terms as the Perl 5 programming language system itself.
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+
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+# ============================================================================
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+
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+use strict;
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+use Test;
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+
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+BEGIN
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+{
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+ $| = 1;
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+ $^W = 1;
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+ plan tests => 7
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+}
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+
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+use Net::SNMP::Message qw(SEQUENCE OCTET_STRING FALSE);
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+
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+#
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+# Load the Net::SNMP::Security::USM module
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+#
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+
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+eval 'use Net::SNMP::Security::USM; use Crypt::Rijndael;';
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+
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+my $skip = ($@ =~ /locate (:?\S+\.pm)/) ? $@ : FALSE;
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+
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+#
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+# 1. Create the Net::SNMP::Security::USM object
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+#
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+
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+my ($u, $e);
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+
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+eval
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+{
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+ ($u, $e) = Net::SNMP::Security::USM->new(
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+ -username => 'dtown',
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+ -authpassword => 'maplesyrup',
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+ -authprotocol => 'sha224',
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+ -privpassword => 'maplesyrup',
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+ -privprotocol => 'aes',
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+ );
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+
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+ # "Perform" discovery...
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+ $u->_engine_id_discovery(pack 'x11H2', '02');
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+
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+ # ...and synchronization
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+ $u->_synchronize(10, time);
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+};
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+
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+skip(
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+ $skip, ($@ || $e), q{}, 'Failed to create Net::SNMP::Security::USM object'
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+);
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+
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+#
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+# 2. Check the localized authKey
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+#
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+
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+eval
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+{
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+ $e = unpack 'H*', $u->auth_key();
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+};
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+
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+skip(
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+ $skip,
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+ ($@ || $e),
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+ '0bd8827c6e29f8065e08e09237f177e410f69b90e1782be682075674',
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+ 'Invalid authKey calculated'
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+);
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+
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+#
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+# 3. Check the localized privKey
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+#
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+
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+eval
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+{
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+ $e = unpack 'H*', $u->priv_key();
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+};
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+
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+skip(
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+ $skip,
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+ ($@ || $e),
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+ '0bd8827c6e29f8065e08e09237f177e4',
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+ 'Invalid privKey calculated'
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+);
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+
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+#
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+# 4. Create and initialize a Message
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+#
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+
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+my $m;
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+
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+eval
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+{
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+ ($m, $e) = Net::SNMP::Message->new();
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+ $m->prepare(SEQUENCE, pack('H*', 'deadbeef') x 8);
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+ $e = $m->error();
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+};
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+
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+skip($skip, ($@ || $e), q{}, 'Failed to create Net::SNMP::Message object');
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+
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+#
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+# 5. Calculate the HMAC
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+#
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+
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+my $h;
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+
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+eval
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+{
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+ $h = unpack 'H*', $u->_auth_hmac($m);
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+};
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+
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+skip($skip, $@, q{}, 'Calculate the HMAC failed');
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+
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+#
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+# 6. Encrypt/descrypt the Message
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+#
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+
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+my $henc;
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+
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+eval
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+{
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+ my $engine_boots = 0;
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+ my $engine_time = 1710186219;
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+ my $salt;
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+ my $len = $m->length();
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+ my $buff = $m->clear();
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+ $u->{_engine_boots} = $engine_boots;
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+ $u->{_engine_time} = $engine_time;
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+ my $encrypted = $u->_encrypt_data($m, $salt, $buff);
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+ $henc = unpack 'H*', $encrypted;
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+ $m->append($encrypted);
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+ substr $salt, 0, 0, pack 'NN', $engine_boots, $engine_time;
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+ $u->_decrypt_data($m, $salt, $m->process(OCTET_STRING));
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+ $e = $u->error();
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+ # Remove padding if necessary
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+ if ($len -= $m->length()) {
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+ substr ${$m->reference()}, $len, -$len, q{};
|
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+ }
|
|
+};
|
|
+
|
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+skip(
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+ $skip,
|
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+ ($@ || $e || $henc),
|
|
+ '042228c5467793ab001f4be546de4b990f90998b09d43f2baaffb52a5d36457cef3b5ab7',
|
|
+ 'Privacy failed',
|
|
+);
|
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+
|
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+#
|
|
+# 7. Check the HMAC
|
|
+#
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|
+
|
|
+my $h2;
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+
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+eval
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|
+{
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|
+ $h2 = unpack 'H*', $u->_auth_hmac($m);
|
|
+};
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+
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|
+skip($skip, ($@ || $h2), $h, 'Authentication failed');
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+
|
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+# ============================================================================
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|
diff --git a/t/usm-sha256-aes.t b/t/usm-sha256-aes.t
|
|
new file mode 100644
|
|
index 0000000..4521187
|
|
--- /dev/null
|
|
+++ b/t/usm-sha256-aes.t
|
|
@@ -0,0 +1,169 @@
|
|
+# -*- mode: perl -*-
|
|
+# ============================================================================
|
|
+
|
|
+# Test of the SNMPv3 User-based Security Model.
|
|
+
|
|
+# Copyright (c) 2001-2009 David M. Town <dtown@cpan.org>.
|
|
+# Copyright (c) 2024 Michal Josef Špaček <skim@cpan.org>.
|
|
+# All rights reserved.
|
|
+
|
|
+# This program is free software; you may redistribute it and/or modify it
|
|
+# under the same terms as the Perl 5 programming language system itself.
|
|
+
|
|
+# ============================================================================
|
|
+
|
|
+use strict;
|
|
+use Test;
|
|
+
|
|
+BEGIN
|
|
+{
|
|
+ $| = 1;
|
|
+ $^W = 1;
|
|
+ plan tests => 7
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|
+}
|
|
+
|
|
+use Net::SNMP::Message qw(SEQUENCE OCTET_STRING FALSE);
|
|
+
|
|
+#
|
|
+# Load the Net::SNMP::Security::USM module
|
|
+#
|
|
+
|
|
+eval 'use Net::SNMP::Security::USM; use Crypt::Rijndael;';
|
|
+
|
|
+my $skip = ($@ =~ /locate (:?\S+\.pm)/) ? $@ : FALSE;
|
|
+
|
|
+#
|
|
+# 1. Create the Net::SNMP::Security::USM object
|
|
+#
|
|
+
|
|
+my ($u, $e);
|
|
+
|
|
+eval
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|
+{
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|
+ ($u, $e) = Net::SNMP::Security::USM->new(
|
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+ -username => 'dtown',
|
|
+ -authpassword => 'maplesyrup',
|
|
+ -authprotocol => 'sha256',
|
|
+ -privpassword => 'maplesyrup',
|
|
+ -privprotocol => 'aes',
|
|
+ );
|
|
+
|
|
+ # "Perform" discovery...
|
|
+ $u->_engine_id_discovery(pack 'x11H2', '02');
|
|
+
|
|
+ # ...and synchronization
|
|
+ $u->_synchronize(10, time);
|
|
+};
|
|
+
|
|
+skip(
|
|
+ $skip, ($@ || $e), q{}, 'Failed to create Net::SNMP::Security::USM object'
|
|
+);
|
|
+
|
|
+#
|
|
+# 2. Check the localized authKey
|
|
+#
|
|
+
|
|
+eval
|
|
+{
|
|
+ $e = unpack 'H*', $u->auth_key();
|
|
+};
|
|
+
|
|
+skip(
|
|
+ $skip,
|
|
+ ($@ || $e),
|
|
+ '8982e0e549e866db361a6b625d84cccc11162d453ee8ce3a6445c2d6776f0f8b',
|
|
+ 'Invalid authKey calculated'
|
|
+);
|
|
+
|
|
+#
|
|
+# 3. Check the localized privKey
|
|
+#
|
|
+
|
|
+eval
|
|
+{
|
|
+ $e = unpack 'H*', $u->priv_key();
|
|
+};
|
|
+
|
|
+skip(
|
|
+ $skip,
|
|
+ ($@ || $e),
|
|
+ '8982e0e549e866db361a6b625d84cccc',
|
|
+ 'Invalid privKey calculated'
|
|
+);
|
|
+
|
|
+#
|
|
+# 4. Create and initialize a Message
|
|
+#
|
|
+
|
|
+my $m;
|
|
+
|
|
+eval
|
|
+{
|
|
+ ($m, $e) = Net::SNMP::Message->new();
|
|
+ $m->prepare(SEQUENCE, pack('H*', 'deadbeef') x 8);
|
|
+ $e = $m->error();
|
|
+};
|
|
+
|
|
+skip($skip, ($@ || $e), q{}, 'Failed to create Net::SNMP::Message object');
|
|
+
|
|
+#
|
|
+# 5. Calculate the HMAC
|
|
+#
|
|
+
|
|
+my $h;
|
|
+
|
|
+eval
|
|
+{
|
|
+ $h = unpack 'H*', $u->_auth_hmac($m);
|
|
+};
|
|
+
|
|
+skip($skip, $@, q{}, 'Calculate the HMAC failed');
|
|
+
|
|
+#
|
|
+# 6. Encrypt/descrypt the Message
|
|
+#
|
|
+
|
|
+my $henc;
|
|
+
|
|
+eval
|
|
+{
|
|
+ my $engine_boots = 0;
|
|
+ my $engine_time = 1710186219;
|
|
+ my $salt;
|
|
+ my $len = $m->length();
|
|
+ my $buff = $m->clear();
|
|
+ $u->{_engine_boots} = $engine_boots;
|
|
+ $u->{_engine_time} = $engine_time;
|
|
+ my $encrypted = $u->_encrypt_data($m, $salt, $buff);
|
|
+ $henc = unpack 'H*', $encrypted;
|
|
+ $m->append($encrypted);
|
|
+ substr $salt, 0, 0, pack 'NN', $engine_boots, $engine_time;
|
|
+ $u->_decrypt_data($m, $salt, $m->process(OCTET_STRING));
|
|
+ $e = $u->error();
|
|
+ # Remove padding if necessary
|
|
+ if ($len -= $m->length()) {
|
|
+ substr ${$m->reference()}, $len, -$len, q{};
|
|
+ }
|
|
+};
|
|
+
|
|
+skip(
|
|
+ $skip,
|
|
+ ($@ || $e || $henc),
|
|
+ '0422863d06faf464369a298b66062e54374ba3b4a0f862162d25ba72130038f8befc9e21',
|
|
+ 'Privacy failed',
|
|
+);
|
|
+
|
|
+#
|
|
+# 7. Check the HMAC
|
|
+#
|
|
+
|
|
+my $h2;
|
|
+
|
|
+eval
|
|
+{
|
|
+ $h2 = unpack 'H*', $u->_auth_hmac($m);
|
|
+};
|
|
+
|
|
+skip($skip, ($@ || $h2), $h, 'Authentication failed');
|
|
+
|
|
+# ============================================================================
|
|
diff --git a/t/usm-sha384-aes.t b/t/usm-sha384-aes.t
|
|
new file mode 100644
|
|
index 0000000..e88ca4a
|
|
--- /dev/null
|
|
+++ b/t/usm-sha384-aes.t
|
|
@@ -0,0 +1,169 @@
|
|
+# -*- mode: perl -*-
|
|
+# ============================================================================
|
|
+
|
|
+# Test of the SNMPv3 User-based Security Model.
|
|
+
|
|
+# Copyright (c) 2001-2009 David M. Town <dtown@cpan.org>.
|
|
+# Copyright (c) 2024 Michal Josef Špaček <skim@cpan.org>.
|
|
+# All rights reserved.
|
|
+
|
|
+# This program is free software; you may redistribute it and/or modify it
|
|
+# under the same terms as the Perl 5 programming language system itself.
|
|
+
|
|
+# ============================================================================
|
|
+
|
|
+use strict;
|
|
+use Test;
|
|
+
|
|
+BEGIN
|
|
+{
|
|
+ $| = 1;
|
|
+ $^W = 1;
|
|
+ plan tests => 7
|
|
+}
|
|
+
|
|
+use Net::SNMP::Message qw(SEQUENCE OCTET_STRING FALSE);
|
|
+
|
|
+#
|
|
+# Load the Net::SNMP::Security::USM module
|
|
+#
|
|
+
|
|
+eval 'use Net::SNMP::Security::USM; use Crypt::Rijndael;';
|
|
+
|
|
+my $skip = ($@ =~ /locate (:?\S+\.pm)/) ? $@ : FALSE;
|
|
+
|
|
+#
|
|
+# 1. Create the Net::SNMP::Security::USM object
|
|
+#
|
|
+
|
|
+my ($u, $e);
|
|
+
|
|
+eval
|
|
+{
|
|
+ ($u, $e) = Net::SNMP::Security::USM->new(
|
|
+ -username => 'dtown',
|
|
+ -authpassword => 'maplesyrup',
|
|
+ -authprotocol => 'sha384',
|
|
+ -privpassword => 'maplesyrup',
|
|
+ -privprotocol => 'aes',
|
|
+ );
|
|
+
|
|
+ # "Perform" discovery...
|
|
+ $u->_engine_id_discovery(pack 'x11H2', '02');
|
|
+
|
|
+ # ...and synchronization
|
|
+ $u->_synchronize(10, time);
|
|
+};
|
|
+
|
|
+skip(
|
|
+ $skip, ($@ || $e), q{}, 'Failed to create Net::SNMP::Security::USM object'
|
|
+);
|
|
+
|
|
+#
|
|
+# 2. Check the localized authKey
|
|
+#
|
|
+
|
|
+eval
|
|
+{
|
|
+ $e = unpack 'H*', $u->auth_key();
|
|
+};
|
|
+
|
|
+skip(
|
|
+ $skip,
|
|
+ ($@ || $e),
|
|
+ '3b298f16164a11184279d5432bf169e2d2a48307de02b3d3f7e2b4f36eb6f0455a53689a3937eea07319a633d2ccba78',
|
|
+ 'Invalid authKey calculated'
|
|
+);
|
|
+
|
|
+#
|
|
+# 3. Check the localized privKey
|
|
+#
|
|
+
|
|
+eval
|
|
+{
|
|
+ $e = unpack 'H*', $u->priv_key();
|
|
+};
|
|
+
|
|
+skip(
|
|
+ $skip,
|
|
+ ($@ || $e),
|
|
+ '3b298f16164a11184279d5432bf169e2',
|
|
+ 'Invalid privKey calculated'
|
|
+);
|
|
+
|
|
+#
|
|
+# 4. Create and initialize a Message
|
|
+#
|
|
+
|
|
+my $m;
|
|
+
|
|
+eval
|
|
+{
|
|
+ ($m, $e) = Net::SNMP::Message->new();
|
|
+ $m->prepare(SEQUENCE, pack('H*', 'deadbeef') x 8);
|
|
+ $e = $m->error();
|
|
+};
|
|
+
|
|
+skip($skip, ($@ || $e), q{}, 'Failed to create Net::SNMP::Message object');
|
|
+
|
|
+#
|
|
+# 5. Calculate the HMAC
|
|
+#
|
|
+
|
|
+my $h;
|
|
+
|
|
+eval
|
|
+{
|
|
+ $h = unpack 'H*', $u->_auth_hmac($m);
|
|
+};
|
|
+
|
|
+skip($skip, $@, q{}, 'Calculate the HMAC failed');
|
|
+
|
|
+#
|
|
+# 6. Encrypt/descrypt the Message
|
|
+#
|
|
+
|
|
+my $henc;
|
|
+
|
|
+eval
|
|
+{
|
|
+ my $engine_boots = 0;
|
|
+ my $engine_time = 1710186219;
|
|
+ my $salt;
|
|
+ my $len = $m->length();
|
|
+ my $buff = $m->clear();
|
|
+ $u->{_engine_boots} = $engine_boots;
|
|
+ $u->{_engine_time} = $engine_time;
|
|
+ my $encrypted = $u->_encrypt_data($m, $salt, $buff);
|
|
+ $henc = unpack 'H*', $encrypted;
|
|
+ $m->append($encrypted);
|
|
+ substr $salt, 0, 0, pack 'NN', $engine_boots, $engine_time;
|
|
+ $u->_decrypt_data($m, $salt, $m->process(OCTET_STRING));
|
|
+ $e = $u->error();
|
|
+ # Remove padding if necessary
|
|
+ if ($len -= $m->length()) {
|
|
+ substr ${$m->reference()}, $len, -$len, q{};
|
|
+ }
|
|
+};
|
|
+
|
|
+skip(
|
|
+ $skip,
|
|
+ ($@ || $e || $henc),
|
|
+ '0422850967bbff81be49aefadf9b6ee3eedb9093609fcfc813a21bdf09b469965923bfc0',
|
|
+ 'Privacy failed',
|
|
+);
|
|
+
|
|
+#
|
|
+# 7. Check the HMAC
|
|
+#
|
|
+
|
|
+my $h2;
|
|
+
|
|
+eval
|
|
+{
|
|
+ $h2 = unpack 'H*', $u->_auth_hmac($m);
|
|
+};
|
|
+
|
|
+skip($skip, ($@ || $h2), $h, 'Authentication failed');
|
|
+
|
|
+# ============================================================================
|
|
diff --git a/t/usm-sha512-aes.t b/t/usm-sha512-aes.t
|
|
new file mode 100644
|
|
index 0000000..c5eadf3
|
|
--- /dev/null
|
|
+++ b/t/usm-sha512-aes.t
|
|
@@ -0,0 +1,169 @@
|
|
+# -*- mode: perl -*-
|
|
+# ============================================================================
|
|
+
|
|
+# Test of the SNMPv3 User-based Security Model.
|
|
+
|
|
+# Copyright (c) 2001-2009 David M. Town <dtown@cpan.org>.
|
|
+# Copyright (c) 2024 Michal Josef Špaček <skim@cpan.org>.
|
|
+# All rights reserved.
|
|
+
|
|
+# This program is free software; you may redistribute it and/or modify it
|
|
+# under the same terms as the Perl 5 programming language system itself.
|
|
+
|
|
+# ============================================================================
|
|
+
|
|
+use strict;
|
|
+use Test;
|
|
+
|
|
+BEGIN
|
|
+{
|
|
+ $| = 1;
|
|
+ $^W = 1;
|
|
+ plan tests => 7
|
|
+}
|
|
+
|
|
+use Net::SNMP::Message qw(SEQUENCE OCTET_STRING FALSE);
|
|
+
|
|
+#
|
|
+# Load the Net::SNMP::Security::USM module
|
|
+#
|
|
+
|
|
+eval 'use Net::SNMP::Security::USM; use Crypt::Rijndael;';
|
|
+
|
|
+my $skip = ($@ =~ /locate (:?\S+\.pm)/) ? $@ : FALSE;
|
|
+
|
|
+#
|
|
+# 1. Create the Net::SNMP::Security::USM object
|
|
+#
|
|
+
|
|
+my ($u, $e);
|
|
+
|
|
+eval
|
|
+{
|
|
+ ($u, $e) = Net::SNMP::Security::USM->new(
|
|
+ -username => 'dtown',
|
|
+ -authpassword => 'maplesyrup',
|
|
+ -authprotocol => 'sha512',
|
|
+ -privpassword => 'maplesyrup',
|
|
+ -privprotocol => 'aes',
|
|
+ );
|
|
+
|
|
+ # "Perform" discovery...
|
|
+ $u->_engine_id_discovery(pack 'x11H2', '02');
|
|
+
|
|
+ # ...and synchronization
|
|
+ $u->_synchronize(10, time);
|
|
+};
|
|
+
|
|
+skip(
|
|
+ $skip, ($@ || $e), q{}, 'Failed to create Net::SNMP::Security::USM object'
|
|
+);
|
|
+
|
|
+#
|
|
+# 2. Check the localized authKey
|
|
+#
|
|
+
|
|
+eval
|
|
+{
|
|
+ $e = unpack 'H*', $u->auth_key();
|
|
+};
|
|
+
|
|
+skip(
|
|
+ $skip,
|
|
+ ($@ || $e),
|
|
+ '22a5a36cedfcc085807a128d7bc6c2382167ad6c0dbc5fdff856740f3d84c099ad1ea87a8db096714d9788bd544047c9021e4229ce27e4c0a69250adfcffbb0b',
|
|
+ 'Invalid authKey calculated'
|
|
+);
|
|
+
|
|
+#
|
|
+# 3. Check the localized privKey
|
|
+#
|
|
+
|
|
+eval
|
|
+{
|
|
+ $e = unpack 'H*', $u->priv_key();
|
|
+};
|
|
+
|
|
+skip(
|
|
+ $skip,
|
|
+ ($@ || $e),
|
|
+ '22a5a36cedfcc085807a128d7bc6c238',
|
|
+ 'Invalid privKey calculated'
|
|
+);
|
|
+
|
|
+#
|
|
+# 4. Create and initialize a Message
|
|
+#
|
|
+
|
|
+my $m;
|
|
+
|
|
+eval
|
|
+{
|
|
+ ($m, $e) = Net::SNMP::Message->new();
|
|
+ $m->prepare(SEQUENCE, pack('H*', 'deadbeef') x 8);
|
|
+ $e = $m->error();
|
|
+};
|
|
+
|
|
+skip($skip, ($@ || $e), q{}, 'Failed to create Net::SNMP::Message object');
|
|
+
|
|
+#
|
|
+# 5. Calculate the HMAC
|
|
+#
|
|
+
|
|
+my $h;
|
|
+
|
|
+eval
|
|
+{
|
|
+ $h = unpack 'H*', $u->_auth_hmac($m);
|
|
+};
|
|
+
|
|
+skip($skip, $@, q{}, 'Calculate the HMAC failed');
|
|
+
|
|
+#
|
|
+# 6. Encrypt/descrypt the Message
|
|
+#
|
|
+
|
|
+my $henc;
|
|
+
|
|
+eval
|
|
+{
|
|
+ my $engine_boots = 0;
|
|
+ my $engine_time = 1710186219;
|
|
+ my $salt;
|
|
+ my $len = $m->length();
|
|
+ my $buff = $m->clear();
|
|
+ $u->{_engine_boots} = $engine_boots;
|
|
+ $u->{_engine_time} = $engine_time;
|
|
+ my $encrypted = $u->_encrypt_data($m, $salt, $buff);
|
|
+ $henc = unpack 'H*', $encrypted;
|
|
+ $m->append($encrypted);
|
|
+ substr $salt, 0, 0, pack 'NN', $engine_boots, $engine_time;
|
|
+ $u->_decrypt_data($m, $salt, $m->process(OCTET_STRING));
|
|
+ $e = $u->error();
|
|
+ # Remove padding if necessary
|
|
+ if ($len -= $m->length()) {
|
|
+ substr ${$m->reference()}, $len, -$len, q{};
|
|
+ }
|
|
+};
|
|
+
|
|
+skip(
|
|
+ $skip,
|
|
+ ($@ || $e || $henc),
|
|
+ '0422bae4cdb263a0936b189051e9b1759183b16d07c9a7d8bf633d6dd2e817a2ac2fe742',
|
|
+ 'Privacy failed',
|
|
+);
|
|
+
|
|
+#
|
|
+# 7. Check the HMAC
|
|
+#
|
|
+
|
|
+my $h2;
|
|
+
|
|
+eval
|
|
+{
|
|
+ $h2 = unpack 'H*', $u->_auth_hmac($m);
|
|
+};
|
|
+
|
|
+skip($skip, ($@ || $h2), $h, 'Authentication failed');
|
|
+
|
|
+# ============================================================================
|