[Global]: loading init

deps/curl/docs/examples/anyauthput.c

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+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 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 https://curl.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.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+/* <DESC>
+ * HTTP PUT upload with authentication using "any" method. libcurl picks the
+ * one the server supports/wants.
+ * </DESC>
+ */
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <curl/curl.h>
+
+#ifdef _WIN32
+#  define FILENO(fp) _fileno(fp)
+#else
+#  define FILENO(fp) fileno(fp)
+#endif
+
+#if LIBCURL_VERSION_NUM < 0x070c03
+#error "upgrade your libcurl to no less than 7.12.3"
+#endif
+
+/*
+ * This example shows an HTTP PUT operation with authentication using "any"
+ * type. It PUTs a file given as a command line argument to the URL also given
+ * on the command line.
+ *
+ * Since libcurl 7.12.3, using "any" auth and POST/PUT requires a set seek
+ * function.
+ *
+ * This example also uses its own read callback.
+ */
+
+/* seek callback function */
+static int my_seek(void *userp, curl_off_t offset, int origin)
+{
+  FILE *fp = (FILE *) userp;
+
+  if(-1 == fseek(fp, (long) offset, origin))
+    /* could not seek */
+    return CURL_SEEKFUNC_CANTSEEK;
+
+  return CURL_SEEKFUNC_OK; /* success! */
+}
+
+/* read callback function, fread() look alike */
+static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *stream)
+{
+  size_t nread;
+
+  nread = fread(ptr, size, nmemb, stream);
+
+  if(nread > 0) {
+    fprintf(stderr, "*** We read %lu bytes from file\n", (unsigned long)nread);
+  }
+
+  return nread;
+}
+
+int main(int argc, char **argv)
+{
+  CURL *curl;
+  CURLcode res;
+  FILE *fp;
+  struct stat file_info;
+
+  char *file;
+  char *url;
+
+  if(argc < 3)
+    return 1;
+
+  file = argv[1];
+  url = argv[2];
+
+  /* get the file size of the local file */
+  fp = fopen(file, "rb");
+  fstat(FILENO(fp), &file_info);
+
+  /* In windows, this will init the winsock stuff */
+  curl_global_init(CURL_GLOBAL_ALL);
+
+  /* get a curl handle */
+  curl = curl_easy_init();
+  if(curl) {
+    /* we want to use our own read function */
+    curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
+
+    /* which file to upload */
+    curl_easy_setopt(curl, CURLOPT_READDATA, (void *) fp);
+
+    /* set the seek function */
+    curl_easy_setopt(curl, CURLOPT_SEEKFUNCTION, my_seek);
+
+    /* pass the file descriptor to the seek callback as well */
+    curl_easy_setopt(curl, CURLOPT_SEEKDATA, (void *) fp);
+
+    /* enable "uploading" (which means PUT when doing HTTP) */
+    curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
+
+    /* specify target URL, and note that this URL should also include a file
+       name, not only a directory (as you can do with GTP uploads) */
+    curl_easy_setopt(curl, CURLOPT_URL, url);
+
+    /* and give the size of the upload, this supports large file sizes
+       on systems that have general support for it */
+    curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE,
+                     (curl_off_t)file_info.st_size);
+
+    /* tell libcurl we can use "any" auth, which lets the lib pick one, but it
+       also costs one extra round-trip and possibly sending of all the PUT
+       data twice!!! */
+    curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_ANY);
+
+    /* set user name and password for the authentication */
+    curl_easy_setopt(curl, CURLOPT_USERPWD, "user:password");
+
+    /* Now run off and do what you have been told! */
+    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);
+  }
+  fclose(fp); /* close the local file */
+
+  curl_global_cleanup();
+  return 0;
+}