[qpid-proton] branch main updated: PROTON-2519: TLS Library - null pointer reference

[cl...@apache.org]

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cliffjansen pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/qpid-proton.git


The following commit(s) were added to refs/heads/main by this push:
     new d409829  PROTON-2519: TLS Library - null pointer reference
d409829 is described below

commit d4098290d6c56cd059b87e24dcb83429f8655d20
Author: Cliff Jansen <cl...@apache.org>
AuthorDate: Mon Mar 14 22:27:28 2022 -0700

    PROTON-2519: TLS Library - null pointer reference
---
 c/src/tls/openssl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/c/src/tls/openssl.c b/c/src/tls/openssl.c
index 779e2b8..d26836c 100644
--- a/c/src/tls/openssl.c
+++ b/c/src/tls/openssl.c
@@ -2271,6 +2271,8 @@ static int pn_tls_alpn_cb(SSL *ssn,
 int pn_tls_config_set_alpn_protocols(pn_tls_config_t *domain, const char **protocols, size_t protocol_count) {
   unsigned char *wire_bytes;
   size_t wb_len;
+  if ((protocols == NULL && protocol_count != 0) || (protocols && protocol_count == 0))
+    return PN_ARG_ERR;
   if (protocols == NULL && protocol_count == 0) {
     free(domain->alpn_list);
     domain->alpn_list = NULL;

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