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1.1 ! misho 1: /*************************************************************************** ! 2: * _ _ ____ _ ! 3: * Project ___| | | | _ \| | ! 4: * / __| | | | |_) | | ! 5: * | (__| |_| | _ <| |___ ! 6: * \___|\___/|_| \_\_____| ! 7: * ! 8: * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al. ! 9: * ! 10: * This software is licensed as described in the file COPYING, which ! 11: * you should have received as part of this distribution. The terms ! 12: * are also available at https://curl.haxx.se/docs/copyright.html. ! 13: * ! 14: * You may opt to use, copy, modify, merge, publish, distribute and/or sell ! 15: * copies of the Software, and permit persons to whom the Software is ! 16: * furnished to do so, under the terms of the COPYING file. ! 17: * ! 18: * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY ! 19: * KIND, either express or implied. ! 20: * ! 21: ***************************************************************************/ ! 22: /* <DESC> ! 23: * Show how to extract Location: header and URL to redirect to. ! 24: * </DESC> ! 25: */ ! 26: #include <stdio.h> ! 27: #include <curl/curl.h> ! 28: ! 29: int main(void) ! 30: { ! 31: CURL *curl; ! 32: CURLcode res; ! 33: char *location; ! 34: long response_code; ! 35: ! 36: curl = curl_easy_init(); ! 37: if(curl) { ! 38: curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); ! 39: ! 40: /* example.com is redirected, figure out the redirection! */ ! 41: ! 42: /* Perform the request, res will get the return code */ ! 43: res = curl_easy_perform(curl); ! 44: /* Check for errors */ ! 45: if(res != CURLE_OK) ! 46: fprintf(stderr, "curl_easy_perform() failed: %s\n", ! 47: curl_easy_strerror(res)); ! 48: else { ! 49: res = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response_code); ! 50: if((res == CURLE_OK) && ! 51: ((response_code / 100) != 3)) { ! 52: /* a redirect implies a 3xx response code */ ! 53: fprintf(stderr, "Not a redirect.\n"); ! 54: } ! 55: else { ! 56: res = curl_easy_getinfo(curl, CURLINFO_REDIRECT_URL, &location); ! 57: ! 58: if((res == CURLE_OK) && location) { ! 59: /* This is the new absolute URL that you could redirect to, even if ! 60: * the Location: response header may have been a relative URL. */ ! 61: printf("Redirected to: %s\n", location); ! 62: } ! 63: } ! 64: } ! 65: ! 66: /* always cleanup */ ! 67: curl_easy_cleanup(curl); ! 68: } ! 69: return 0; ! 70: }