tests: added reproducer for server issues

This allows to reproduce issues found on server side, by adding
a transcript in server-interesting. Currently it contains values
found using oss-fuzz.

Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>

2 files changed, 6 insertions, 2 deletions

diff --git a/devel/fuzz/README.md b/devel/fuzz/README.md
index 5471255e71..476fca09da 100644
--- a/devel/fuzz/README.md
+++ b/devel/fuzz/README.md
@@ -37,6 +37,7 @@ sufficient:
 
 |---------------------------|-------------------------|
 |gnutls_client_fuzzer       | tests/client-interesting|
+|gnutls_server_fuzzer       | tests/server-interesting|
 |gnutls_pkcs7_parser_fuzzer | tests/pkcs7-interesting |
 |gnutls_x509_parser_fuzzer  | tests/certs-interesting |
 |---------------------------|-------------------------|
@@ -49,5 +50,4 @@ table below.
 |gnutls_openpgp_cert_parser_fuzzer|tests/cert-tests/openpgp-cert-parser                      |
 |gnutls_pkcs8_key_parser_fuzzer   |tests/key-tests/pkcs8-invalid,tests/key-tests/pkcs8-decode|
 |gnutls_private_key_parser_fuzzer |tests/key-tests/key-invalid                               |
-|gnutls_server_fuzzer             |none atm (should duplicate the client fuzzer)             |
 |---------------------------------|----------------------------------------------------------|
diff --git a/devel/fuzz/gnutls_server_fuzzer.cc b/devel/fuzz/gnutls_server_fuzzer.cc
index e864f10354..1d1f87d195 100644
--- a/devel/fuzz/gnutls_server_fuzzer.cc
+++ b/devel/fuzz/gnutls_server_fuzzer.cc
@@ -194,7 +194,11 @@ static const uint8_t kRSAPrivateKeyDER[] = {
     0x98, 0x46, 0x89, 0x82, 0x40,
 };
 
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+#ifdef __cplusplus
+extern "C"
+#endif
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
     int res;
     gnutls_datum_t cert, key;
     gnutls_session_t session;