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[Openvpn-devel,v2] Use const specifices in extract_x509_field_ssl

Message ID 20260326110658.25741-1-gert@greenie.muc.de
State New
Headers show
Series [Openvpn-devel,v2] Use const specifices in extract_x509_field_ssl | expand

Commit Message

Gert Doering March 26, 2026, 11:06 a.m. UTC 
From: Arne Schwabe <arne@rfc2549.org>

The new OpenSSL 4.0 will return const objects from these objects, so
make them const in our code as well.

Change-Id: Ia43bb88d9ddf2e82c638011353a64c770f2c2c0a
Signed-off-by: Arne Schwabe <arne@rfc2549.org>
Acked-by: Frank Lichtenheld <frank@lichtenheld.com>
Gerrit URL: https://gerrit.openvpn.net/c/openvpn/+/1588
---

This change was reviewed on Gerrit and approved by at least one
developer. I request to merge it to master.

Gerrit URL: https://gerrit.openvpn.net/c/openvpn/+/1588
This mail reflects revision 2 of this Change.

Acked-by according to Gerrit (reflected above):
Frank Lichtenheld <frank@lichtenheld.com>
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Patch

diff --git a/src/openvpn/ssl_verify_openssl.c b/src/openvpn/ssl_verify_openssl.c
index 46401cd..4c492a3 100644
--- a/src/openvpn/ssl_verify_openssl.c
+++ b/src/openvpn/ssl_verify_openssl.c
@@ -195,8 +195,6 @@ 
 {
     int lastpos = -1;
     int tmp = -1;
-    X509_NAME_ENTRY *x509ne = NULL;
-    ASN1_STRING *asn1 = NULL;
     unsigned char *buf = NULL;
 
     ASN1_OBJECT *field_name_obj = OBJ_txt2obj(field_name, 0);
@@ -222,13 +220,13 @@ 
         return FAILURE;
     }
 
-    x509ne = X509_NAME_get_entry(x509, lastpos);
+    const X509_NAME_ENTRY *x509ne = X509_NAME_get_entry(x509, lastpos);
     if (!x509ne)
     {
         return FAILURE;
     }
 
-    asn1 = X509_NAME_ENTRY_get_data(x509ne);
+    const ASN1_STRING *asn1 = X509_NAME_ENTRY_get_data(x509ne);
     if (!asn1)
     {
         return FAILURE;