From: Yedaya Katsman <yedaya.ka@gmail.com>
Date: Sun, 22 Jun 2025 13:02:28 +0000 (+0300)
Subject: rustls: don't try printing the not provided file
X-Git-Tag: curl-8_15_0~185
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8128a17e714049c446e60b3f20d7f903c392b398;p=thirdparty%2Fcurl.git

rustls: don't try printing the not provided file

Caught by gcc (Ubuntu 12.3.0-1ubuntu1~22.04) 12.3.0:
```
vtls/rustls.c: In function ‘cr_connect’:
vtls/rustls.c:857:61: warning: ‘%s’ directive argument is null [-Wformat-overflow=]
  857 |     failf(data, "rustls: must provide certificate with key '%s'",
      |                                                             ^~
```

Closes #17704
---

diff --git a/lib/vtls/rustls.c b/lib/vtls/rustls.c
index 24f646078d..ca318d5f4e 100644
--- a/lib/vtls/rustls.c
+++ b/lib/vtls/rustls.c
@@ -855,7 +855,7 @@ init_config_builder_client_auth(struct Curl_easy *data,
   }
   else if(!conn_config->clientcert && ssl_config->key) {
     failf(data, "rustls: must provide certificate with key '%s'",
-          conn_config->clientcert);
+          ssl_config->key);
     return CURLE_SSL_CERTPROBLEM;
   }