const correct tls_session_secret_cb_fn()

Various ports throw a warning since their tls_session_secret_cb's
signature doesn't match what we expect. Aligns us with OpenSSL 1.1.
This is only useful for RFC 4851 EAP-FAST implementations and
surprisingly it's undocumented.

ok jsing

4 files changed, 8 insertions, 8 deletions

diff --git a/src/lib/libssl/ssl.h b/src/lib/libssl/ssl.h
index 650131a779..062c6dcbb9 100644
--- a/src/lib/libssl/ssl.h
+++ b/src/lib/libssl/ssl.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl.h,v 1.245 2024/10/23 01:57:19 jsg Exp $ */
+/* $OpenBSD: ssl.h,v 1.246 2025/03/09 15:53:36 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -364,7 +364,7 @@ DECLARE_STACK_OF(SRTP_PROTECTION_PROFILE)
 typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data,
     int len, void *arg);
 typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len,
-    STACK_OF(SSL_CIPHER) *peer_ciphers, SSL_CIPHER **cipher, void *arg);
+    STACK_OF(SSL_CIPHER) *peer_ciphers, const SSL_CIPHER **cipher, void *arg);
 
 /* Allow initial connection to servers that don't support RI */
 #define SSL_OP_LEGACY_SERVER_CONNECT                    0x00000004L
diff --git a/src/lib/libssl/ssl_clnt.c b/src/lib/libssl/ssl_clnt.c
index 593ed553d3..0d3dcf78af 100644
--- a/src/lib/libssl/ssl_clnt.c
+++ b/src/lib/libssl/ssl_clnt.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl_clnt.c,v 1.168 2024/07/22 14:47:15 jsing Exp $ */
+/* $OpenBSD: ssl_clnt.c,v 1.169 2025/03/09 15:53:36 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -926,7 +926,7 @@ ssl3_get_server_hello(SSL *s)
          * pre-shared secret.
          */
         if (s->tls_session_secret_cb != NULL) {
-                SSL_CIPHER *pref_cipher = NULL;
+                const SSL_CIPHER *pref_cipher = NULL;
                 int master_key_length = sizeof(s->session->master_key);
 
                 if (!s->tls_session_secret_cb(s,
diff --git a/src/lib/libssl/ssl_sess.c b/src/lib/libssl/ssl_sess.c
index 5aea990278..a5cfc33c04 100644
--- a/src/lib/libssl/ssl_sess.c
+++ b/src/lib/libssl/ssl_sess.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl_sess.c,v 1.128 2024/07/22 14:47:15 jsing Exp $ */
+/* $OpenBSD: ssl_sess.c,v 1.129 2025/03/09 15:53:36 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -1057,7 +1057,7 @@ LSSL_ALIAS(SSL_CTX_get_timeout);
 int
 SSL_set_session_secret_cb(SSL *s, int (*tls_session_secret_cb)(SSL *s,
     void *secret, int *secret_len, STACK_OF(SSL_CIPHER) *peer_ciphers,
-    SSL_CIPHER **cipher, void *arg), void *arg)
+    const SSL_CIPHER **cipher, void *arg), void *arg)
 {
         if (s == NULL)
                 return (0);
diff --git a/src/lib/libssl/ssl_srvr.c b/src/lib/libssl/ssl_srvr.c
index 302b6bdf0f..db4ba38b51 100644
--- a/src/lib/libssl/ssl_srvr.c
+++ b/src/lib/libssl/ssl_srvr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl_srvr.c,v 1.165 2024/07/22 14:47:15 jsing Exp $ */
+/* $OpenBSD: ssl_srvr.c,v 1.166 2025/03/09 15:53:36 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -1058,7 +1058,7 @@ ssl3_get_client_hello(SSL *s)
         }
 
         if (!s->hit && s->tls_session_secret_cb != NULL) {
-                SSL_CIPHER *pref_cipher = NULL;
+                const SSL_CIPHER *pref_cipher = NULL;
                 int master_key_length = sizeof(s->session->master_key);
 
                 if (!s->tls_session_secret_cb(s,