Imported Upstream version 7.59.0

[platform/upstream/curl.git] / docs / examples / usercertinmem.c

diff --git a/docs/examples/usercertinmem.c b/docs/examples/usercertinmem.c
index dd56c61..40505b0 100644 (file)
--- a/docs/examples/usercertinmem.c
+++ b/docs/examples/usercertinmem.c
@@ -5,11 +5,11 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2013 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
+ * are also available at https://curl.haxx.se/docs/copyright.html.
  *
  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
  * copies of the Software, and permit persons to whom the Software is
@@ -19,10 +19,12 @@
  * KIND, either express or implied.
  *
  ***************************************************************************/
-/* Example using an in memory PEM user certificate and RSA key to retrieve an
- * https page.
- * Written by Ishan SinghLevett, based on Theo Borm's cacertinmem.c.
- * Note that to maintain simplicity this example does not use a CA certificate 
+/* <DESC>
+ * Use an in-memory user certificate and RSA key and retrieve an https page.
+ * </DESC>
+ */
+/* Written by Ishan SinghLevett, based on Theo Borm's cacertinmem.c.
+ * Note that to maintain simplicity this example does not use a CA certificate
  * for peer verification.  However, some form of peer verification
  * must be used in real circumstances when a secure connection is required.
  */
@@ -35,8 +37,8 @@
 
 static size_t writefunction(void *ptr, size_t size, size_t nmemb, void *stream)
 {
-  fwrite(ptr,size,nmemb,stream);
-  return(nmemb*size);
+  fwrite(ptr, size, nmemb, stream);
+  return (nmemb*size);
 }
 
 static CURLcode sslctx_function(CURL *curl, void *sslctx, void *parm)
@@ -117,7 +119,7 @@ static CURLcode sslctx_function(CURL *curl, void *sslctx, void *parm)
   /* get a BIO */
   bio = BIO_new_mem_buf((char *)mypem, -1);
 
-  if (bio == NULL) {
+  if(bio == NULL) {
     printf("BIO_new_mem_buf failed\n");
   }
 
@@ -125,49 +127,49 @@ static CURLcode sslctx_function(CURL *curl, void *sslctx, void *parm)
    * structure that SSL can use
    */
   cert = PEM_read_bio_X509(bio, NULL, 0, NULL);
-  if (cert == NULL) {
+  if(cert == NULL) {
     printf("PEM_read_bio_X509 failed...\n");
   }
 
   /*tell SSL to use the X509 certificate*/
   ret = SSL_CTX_use_certificate((SSL_CTX*)sslctx, cert);
-  if (ret != 1) {
+  if(ret != 1) {
     printf("Use certificate failed\n");
   }
 
   /*create a bio for the RSA key*/
   kbio = BIO_new_mem_buf((char *)mykey, -1);
-  if (kbio == NULL) {
+  if(kbio == NULL) {
     printf("BIO_new_mem_buf failed\n");
   }
 
   /*read the key bio into an RSA object*/
   rsa = PEM_read_bio_RSAPrivateKey(kbio, NULL, 0, NULL);
-  if (rsa == NULL) {
+  if(rsa == NULL) {
     printf("Failed to create key bio\n");
   }
 
   /*tell SSL to use the RSA key from memory*/
   ret = SSL_CTX_use_RSAPrivateKey((SSL_CTX*)sslctx, rsa);
-  if (ret != 1) {
+  if(ret != 1) {
     printf("Use Key failed\n");
   }
 
   /* free resources that have been allocated by openssl functions */
-  if (bio)
+  if(bio)
     BIO_free(bio);
 
-  if (kbio)
+  if(kbio)
     BIO_free(kbio);
 
-  if (rsa)
+  if(rsa)
     RSA_free(rsa);
 
-  if (cert)
+  if(cert)
     X509_free(cert);
 
   /* all set to go */
-  return CURLE_OK ;
+  return CURLE_OK;
 }
 
 int main(void)
@@ -177,28 +179,28 @@ int main(void)
 
   rv = curl_global_init(CURL_GLOBAL_ALL);
   ch = curl_easy_init();
-  rv = curl_easy_setopt(ch,CURLOPT_VERBOSE, 0L);
-  rv = curl_easy_setopt(ch,CURLOPT_HEADER, 0L);
-  rv = curl_easy_setopt(ch,CURLOPT_NOPROGRESS, 1L);
-  rv = curl_easy_setopt(ch,CURLOPT_NOSIGNAL, 1L);
-  rv = curl_easy_setopt(ch,CURLOPT_WRITEFUNCTION, *writefunction);
-  rv = curl_easy_setopt(ch,CURLOPT_WRITEDATA, stdout);
-  rv = curl_easy_setopt(ch,CURLOPT_HEADERFUNCTION, *writefunction);
-  rv = curl_easy_setopt(ch,CURLOPT_HEADERDATA, stderr);
-  rv = curl_easy_setopt(ch,CURLOPT_SSLCERTTYPE,"PEM");
+  rv = curl_easy_setopt(ch, CURLOPT_VERBOSE, 0L);
+  rv = curl_easy_setopt(ch, CURLOPT_HEADER, 0L);
+  rv = curl_easy_setopt(ch, CURLOPT_NOPROGRESS, 1L);
+  rv = curl_easy_setopt(ch, CURLOPT_NOSIGNAL, 1L);
+  rv = curl_easy_setopt(ch, CURLOPT_WRITEFUNCTION, writefunction);
+  rv = curl_easy_setopt(ch, CURLOPT_WRITEDATA, stdout);
+  rv = curl_easy_setopt(ch, CURLOPT_HEADERFUNCTION, writefunction);
+  rv = curl_easy_setopt(ch, CURLOPT_HEADERDATA, stderr);
+  rv = curl_easy_setopt(ch, CURLOPT_SSLCERTTYPE, "PEM");
 
   /* both VERIFYPEER and VERIFYHOST are set to 0 in this case because there is
      no CA certificate*/
 
-  rv = curl_easy_setopt(ch,CURLOPT_SSL_VERIFYPEER, 0L);
-  rv = curl_easy_setopt(ch,CURLOPT_SSL_VERIFYHOST, 0L);
+  rv = curl_easy_setopt(ch, CURLOPT_SSL_VERIFYPEER, 0L);
+  rv = curl_easy_setopt(ch, CURLOPT_SSL_VERIFYHOST, 0L);
   rv = curl_easy_setopt(ch, CURLOPT_URL, "https://www.example.com/");
   rv = curl_easy_setopt(ch, CURLOPT_SSLKEYTYPE, "PEM");
 
   /* first try: retrieve page without user certificate and key -> will fail
    */
   rv = curl_easy_perform(ch);
-  if (rv==CURLE_OK) {
+  if(rv == CURLE_OK) {
     printf("*** transfer succeeded ***\n");
   }
   else {
@@ -209,9 +211,9 @@ int main(void)
    * load the certificate and key by installing a function doing the necessary
    * "modifications" to the SSL CONTEXT just before link init
    */
-  rv = curl_easy_setopt(ch,CURLOPT_SSL_CTX_FUNCTION, *sslctx_function);
+  rv = curl_easy_setopt(ch, CURLOPT_SSL_CTX_FUNCTION, *sslctx_function);
   rv = curl_easy_perform(ch);
-  if (rv==CURLE_OK) {
+  if(rv == CURLE_OK) {
     printf("*** transfer succeeded ***\n");
   }
   else {