mirror of
https://github.com/curl/curl.git
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119 lines
3.5 KiB
C
119 lines
3.5 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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/* <DESC>
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* Preload domains to HSTS
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* </DESC>
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*/
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#include <stdio.h>
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#include <string.h>
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#include <curl/curl.h>
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struct entry {
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const char *name;
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const char *exp;
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};
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static const struct entry preload_hosts[] = {
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{ "example.com", "20370320 01:02:03" },
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{ "curl.se", "20370320 03:02:01" },
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{ NULL, NULL } /* end of list marker */
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};
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struct state {
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int index;
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};
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/* "read" is from the point of the library, it wants data from us. One domain
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entry per invoke. */
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static CURLSTScode hstsread(CURL *easy, struct curl_hstsentry *e,
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void *userp)
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{
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const char *host;
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const char *expire;
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struct state *s = (struct state *)userp;
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(void)easy;
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host = preload_hosts[s->index].name;
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expire = preload_hosts[s->index++].exp;
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if(host && (strlen(host) < e->namelen)) {
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strcpy(e->name, host);
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e->includeSubDomains = 0;
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strcpy(e->expire, expire);
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fprintf(stderr, "HSTS preload '%s' until '%s'\n", host, expire);
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}
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else
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return CURLSTS_DONE;
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return CURLSTS_OK;
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}
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static CURLSTScode hstswrite(CURL *easy, struct curl_hstsentry *e,
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struct curl_index *i, void *userp)
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{
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(void)easy;
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(void)userp; /* we have no custom input */
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printf("[%u/%u] %s %s\n", (unsigned int)i->index, (unsigned int)i->total,
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e->name, e->expire);
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return CURLSTS_OK;
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}
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int main(void)
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{
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CURL *curl;
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CURLcode res;
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curl = curl_easy_init();
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if(curl) {
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struct state st = {0};
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/* enable HSTS for this handle */
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curl_easy_setopt(curl, CURLOPT_HSTS_CTRL, (long)CURLHSTS_ENABLE);
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/* function to call at first to populate the cache before the transfer */
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curl_easy_setopt(curl, CURLOPT_HSTSREADFUNCTION, hstsread);
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curl_easy_setopt(curl, CURLOPT_HSTSREADDATA, &st);
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/* function to call after transfer to store the new state of the HSTS
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cache */
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curl_easy_setopt(curl, CURLOPT_HSTSWRITEFUNCTION, hstswrite);
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curl_easy_setopt(curl, CURLOPT_HSTSWRITEDATA, NULL);
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/* use the domain with HTTP but due to the preload, it should do the
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transfer using HTTPS */
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curl_easy_setopt(curl, CURLOPT_URL, "http://curl.se");
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
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/* Perform the request, res will get the return code */
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res = curl_easy_perform(curl);
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/* Check for errors */
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if(res != CURLE_OK)
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fprintf(stderr, "curl_easy_perform() failed: %s\n",
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curl_easy_strerror(res));
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/* always cleanup */
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curl_easy_cleanup(curl);
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}
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return 0;
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}
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