Fix typo.

Subsequent CLs will add some fuzzers, etc., that'll help with catching
this.

Change-Id: I10a8e4b2f23ffd07b124e725c1f7454e7ea6f2dd
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/49025
Reviewed-by: Adam Langley <agl@google.com>

crypto/x509/x509_test.cc

diff --git a/crypto/x509/x509_test.cc b/crypto/x509/x509_test.cc
index 728bf7a..bd77778 100644
--- a/crypto/x509/x509_test.cc
+++ b/crypto/x509/x509_test.cc
@@ -1683,6 +1683,20 @@
   }
 }
 
+TEST(X509Test, PrintGeneralName) {
+  // TODO(https://crbug.com/boringssl/430): Add more tests. Also fix the
+  // external projects that use this to extract the SAN list and unexport.
+  bssl::UniquePtr<GENERAL_NAME> gen = MakeGeneralName(GEN_DNS, "example.com");
+  ASSERT_TRUE(gen);
+  bssl::UniquePtr<STACK_OF(CONF_VALUE)> values(
+      i2v_GENERAL_NAME(nullptr, gen.get(), nullptr));
+  ASSERT_TRUE(values);
+  ASSERT_EQ(1u, sk_CONF_VALUE_num(values.get()));
+  const CONF_VALUE *value = sk_CONF_VALUE_value(values.get(), 0);
+  EXPECT_STREQ(value->name, "DNS");
+  EXPECT_STREQ(value->value, "example.com");
+}
+
 TEST(X509Test, TestPSS) {
   bssl::UniquePtr<X509> cert(CertFromPEM(kExamplePSSCert));
   ASSERT_TRUE(cert);

crypto/x509v3/v3_utl.c

diff --git a/crypto/x509v3/v3_utl.c b/crypto/x509v3/v3_utl.c
index ab1f36e..d404013 100644
--- a/crypto/x509v3/v3_utl.c
+++ b/crypto/x509v3/v3_utl.c
@@ -96,7 +96,7 @@
     char *tname = NULL, *tvalue = NULL;
     if (name && !(tname = OPENSSL_strdup(name)))
         goto malloc_err;
-    if (omit_value) {
+    if (!omit_value) {
         /* |CONF_VALUE| cannot represent strings with NULs. */
         if (OPENSSL_memchr(value, 0, value_len)) {
             OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_VALUE);

include/openssl/x509v3.h

diff --git a/include/openssl/x509v3.h b/include/openssl/x509v3.h
index 46239d9..5dcb894 100644
--- a/include/openssl/x509v3.h
+++ b/include/openssl/x509v3.h
@@ -900,6 +900,8 @@
 BORINGSSL_MAKE_DELETER(ACCESS_DESCRIPTION, ACCESS_DESCRIPTION_free)
 BORINGSSL_MAKE_DELETER(AUTHORITY_KEYID, AUTHORITY_KEYID_free)
 BORINGSSL_MAKE_DELETER(BASIC_CONSTRAINTS, BASIC_CONSTRAINTS_free)
+// TODO(davidben): Move this to conf.h and rename to CONF_VALUE_free.
+BORINGSSL_MAKE_DELETER(CONF_VALUE, X509V3_conf_free)
 BORINGSSL_MAKE_DELETER(DIST_POINT, DIST_POINT_free)
 BORINGSSL_MAKE_DELETER(GENERAL_NAME, GENERAL_NAME_free)
 BORINGSSL_MAKE_DELETER(GENERAL_SUBTREE, GENERAL_SUBTREE_free)