[test suite] add GPG_DISABLE_SIG test

Makefile.am

@@ -164,6 +164,7 @@ EXTRA_DIST = \
     test/conf/gpg_no_pw_fpr_access.conf \
     test/conf/gpg_no_pw_bad_fpr_access.conf \
     test/conf/gpg_no_pw_no_fpr_access.conf \
+    test/conf/gpg_no_sig_verify_access.conf \
     test/conf/fwknoprc_gpg_invalid_exe \
     test/conf/fwknoprc_hmac_defaults \
     test/conf/fwknoprc_hmac_time_offset_mins \

test/conf/gpg_no_sig_verify_access.conf

@@ -0,0 +1,8 @@
+SOURCE                      ANY
+FW_ACCESS_TIMEOUT           3
+GPG_HOME_DIR                conf/server-gpg-no-pw
+GPG_DECRYPT_ID              361BBAD4
+GPG_ALLOW_NO_PW             Y
+### the following ID won't verify, but we've disabled signature verification
+GPG_REMOTE_ID               AAAAAAAA
+GPG_DISABLE_SIG             Y

test/test-fwknop.pl

@@ -118,6 +118,7 @@ our %cf = (
     'gpg_no_pw_hmac_clientdir_access' => "$conf_dir/gpg_no_pw_hmac_clientdir_access.conf",
     'gpg_no_pw_hmac_serverdir_access' => "$conf_dir/gpg_no_pw_hmac_serverdir_access.conf",
     'gpg_no_pw_hmac_sha512_access' => "$conf_dir/gpg_no_pw_hmac_sha512_access.conf",
+    'gpg_no_sig_verify_access'     => "$conf_dir/gpg_no_sig_verify_access.conf",
     'tcp_server'                   => "$conf_dir/tcp_server_fwknopd.conf",
     'spa_over_http'                => "$conf_dir/spa_over_http_fwknopd.conf",
     'tcp_pcap_filter'              => "$conf_dir/tcp_pcap_filter_fwknopd.conf",

test/tests/gpg_no_pw.pl

@@ -10,6 +10,19 @@
         'fw_rule_created' => $NEW_RULE_REQUIRED,
         'fw_rule_removed' => $NEW_RULE_REMOVED,
     },
+    {
+        'category' => 'GPG (no pw)',
+        'subcategory' => 'client+server',
+        'detail'   => 'complete cycle no sig verify',
+        'function' => \&spa_cycle,
+        'cmdline'  => $default_client_gpg_args_no_pw,
+        'fwknopd_cmdline' => "$fwknopdCmd -c $cf{'def'} " .
+            "-a $cf{'gpg_no_sig_verify_access'} $intf_str " .
+            "-d $default_digest_file -p $default_pid_file",
+        'fw_rule_created' => $NEW_RULE_REQUIRED,
+        'fw_rule_removed' => $NEW_RULE_REMOVED,
+    },
+
     {
         'category' => 'GPG (no pw)',
         'subcategory' => 'client+server',