From 796436ca9cdeaefd08e54922ed6851da39f00a7f Mon Sep 17 00:00:00 2001
From: hu-kai45 <hukai45@huawei.com>
Date: Fri, 4 Aug 2023 12:07:04 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=20rust-openssl=20LJ-2023-007?=
 =?UTF-8?q?8479=20=E9=97=AE=E9=A2=98?=
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Signed-off-by: hu-kai45 <hukai45@huawei.com>
---
 openssl/src/x509/verify.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/openssl/src/x509/verify.rs b/openssl/src/x509/verify.rs
index b0e22ef..e8481c5 100644
--- a/openssl/src/x509/verify.rs
+++ b/openssl/src/x509/verify.rs
@@ -120,9 +120,11 @@ impl X509VerifyParamRef {
     #[corresponds(X509_VERIFY_PARAM_set1_host)]
     pub fn set_host(&mut self, host: &str) -> Result<(), ErrorStack> {
         unsafe {
+            // len == 0 means "run strlen" :(
+            let raw_host = if host.is_empty() { "\0" } else { host };
             cvt(ffi::X509_VERIFY_PARAM_set1_host(
                 self.as_ptr(),
-                host.as_ptr() as *const _,
+                raw_host.as_ptr() as *const _,
                 host.len(),
             ))
             .map(|_| ())