Fix a few issues with the C generator (part 5) (OpenAPITools#20313)

* [C] Default to requiring valid SSL

* Update samples

---------

Co-authored-by: Sam Bingner <[email protected]>

Author: 2 people

modules/openapi-generator/src/main/resources/C-libcurl/apiClient.c.mustache

@@ -447,8 +447,8 @@ void apiClient_invoke(apiClient_t    *apiClient,
                     curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 2L);
                 }
             } else {
-                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 0L);
-                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 0L);
+                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 1L);
+                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 2L);
             }
         }
 

samples/client/others/c/bearerAuth/src/apiClient.c

@@ -363,8 +363,8 @@ void apiClient_invoke(apiClient_t    *apiClient,
                     curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 2L);
                 }
             } else {
-                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 0L);
-                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 0L);
+                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 1L);
+                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 2L);
             }
         }
 

samples/client/petstore/c-useJsonUnformatted/src/apiClient.c

@@ -390,8 +390,8 @@ void apiClient_invoke(apiClient_t    *apiClient,
                     curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 2L);
                 }
             } else {
-                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 0L);
-                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 0L);
+                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 1L);
+                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 2L);
             }
         }
 

samples/client/petstore/c/src/apiClient.c

@@ -390,8 +390,8 @@ void apiClient_invoke(apiClient_t    *apiClient,
                     curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 2L);
                 }
             } else {
-                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 0L);
-                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 0L);
+                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, 1L);
+                curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, 2L);
             }
         }