Skip RSA-PSS ssl test when using LibreSSL.

tglsfdc · tglsfdc · commit 95129709fd9b · 2025-05-09T12:29:01.000-04:00
Presently, LibreSSL does not have working support for RSA-PSS, so disable that test. Per discussion at https://marc.info/?l=libressl&m=174664225002441&w=2 they do intend to fix this, but it's a ways off yet. Reported-by: Thomas Munro <thomas.munro@gmail.com> Author: Tom Lane <tgl@sss.pgh.pa.us> Reviewed-by: Daniel Gustafsson <daniel@yesql.se> Discussion: https://postgr.es/m/CA+hUKG+fLqyweHqFSBcErueUVT0vDuSNWui-ySz3+d_APmq7dw@mail.gmail.com Backpatch-through: 15
diff --git a/src/test/ssl/t/002_scram.pl b/src/test/ssl/t/002_scram.pl
@@ -44,11 +44,17 @@ sub switch_server_cert
 # This is the pattern to use in pg_hba.conf to match incoming connections.
 my $SERVERHOSTCIDR = '127.0.0.1/32';
 
+# Determine whether this build uses OpenSSL or LibreSSL.
+my $libressl = $ssl_server->is_libressl;
+
 # Determine whether build supports detection of hash algorithms for
 # RSA-PSS certificates.
 my $supports_rsapss_certs =
   check_pg_config("#define HAVE_X509_GET_SIGNATURE_INFO 1");
 
+# As of 5/2025, LibreSSL doesn't actually work for RSA-PSS certificates.
+$supports_rsapss_certs = 0 if $libressl;
+
 # Allocation of base connection string shared among multiple tests.
 my $common_connstr;
 
