Import curl 7.43
This is a simple import of curl 7.43.
The only change from the official release is the fact that the
Android.mk was removed to avoid build error trying to parse it.
BUG: 22347561
Change-Id: I52ef6798d30b25d22d1f62770d571adec8bcf4d5
diff --git a/docs/examples/pop3-tls.c b/docs/examples/pop3-tls.c
new file mode 100644
index 0000000..58278a1
--- /dev/null
+++ b/docs/examples/pop3-tls.c
@@ -0,0 +1,84 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <[email protected]>, 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.
+ *
+ * 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
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include <stdio.h>
+#include <curl/curl.h>
+
+/* This is a simple example showing how to retrieve mail using libcurl's POP3
+ * capabilities. It builds on the pop3-retr.c example adding transport
+ * security to protect the authentication details from being snooped.
+ *
+ * Note that this example requires libcurl 7.20.0 or above.
+ */
+
+int main(void)
+{
+ CURL *curl;
+ CURLcode res = CURLE_OK;
+
+ curl = curl_easy_init();
+ if(curl) {
+ /* Set username and password */
+ curl_easy_setopt(curl, CURLOPT_USERNAME, "user");
+ curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret");
+
+ /* This will retrieve message 1 from the user's mailbox */
+ curl_easy_setopt(curl, CURLOPT_URL, "pop3://pop.example.com/1");
+
+ /* In this example, we'll start with a plain text connection, and upgrade
+ * to Transport Layer Security (TLS) using the STLS command. Be careful of
+ * using CURLUSESSL_TRY here, because if TLS upgrade fails, the transfer
+ * will continue anyway - see the security discussion in the libcurl
+ * tutorial for more details. */
+ curl_easy_setopt(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);
+
+ /* If your server doesn't have a valid certificate, then you can disable
+ * part of the Transport Layer Security protection by setting the
+ * CURLOPT_SSL_VERIFYPEER and CURLOPT_SSL_VERIFYHOST options to 0 (false).
+ * curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
+ * curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
+ * That is, in general, a bad idea. It is still better than sending your
+ * authentication details in plain text though.
+ * Instead, you should get the issuer certificate (or the host certificate
+ * if the certificate is self-signed) and add it to the set of certificates
+ * that are known to libcurl using CURLOPT_CAINFO and/or CURLOPT_CAPATH. See
+ * docs/SSLCERTS for more information. */
+ curl_easy_setopt(curl, CURLOPT_CAINFO, "/path/to/certificate.pem");
+
+ /* Since the traffic will be encrypted, it is very useful to turn on debug
+ * information within libcurl to see what is happening during the
+ * transfer */
+ curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
+
+ /* Perform the retr */
+ res = curl_easy_perform(curl);
+
+ /* Check for errors */
+ if(res != CURLE_OK)
+ fprintf(stderr, "curl_easy_perform() failed: %s\n",
+ curl_easy_strerror(res));
+
+ /* Always cleanup */
+ curl_easy_cleanup(curl);
+ }
+
+ return (int)res;
+}
