Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_FOLLOWLOCATION.3 @ 17:dd9cdb856310

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Remove PKG-INFO from the because it is regenerated automatically for the sdist
author Franz Glasner <fzglas.hg@dom66.de>
date Thu, 18 Sep 2025 17:40:40 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 .\" **************************************************************************
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2 .\" * _ _ ____ _
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3 .\" * Project ___| | | | _ \| |
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4 .\" * / __| | | | |_) | |
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5 .\" * | (__| |_| | _ <| |___
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6 .\" * \___|\___/|_| \_\_____|
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7 .\" *
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8 .\" * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 .\" *
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10 .\" * This software is licensed as described in the file COPYING, which
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11 .\" * you should have received as part of this distribution. The terms
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12 .\" * are also available at https://curl.haxx.se/docs/copyright.html.
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13 .\" *
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14 .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 .\" * copies of the Software, and permit persons to whom the Software is
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16 .\" * furnished to do so, under the terms of the COPYING file.
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17 .\" *
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18 .\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 .\" * KIND, either express or implied.
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20 .\" *
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21 .\" **************************************************************************
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22 .\"
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23 .TH CURLOPT_FOLLOWLOCATION 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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24 .SH NAME
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25 CURLOPT_FOLLOWLOCATION \- follow HTTP 3xx redirects
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26 .SH SYNOPSIS
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27 #include <curl/curl.h>
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29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FOLLOWLOCATION, long enable);
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30 .SH DESCRIPTION
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31 A long parameter set to 1 tells the library to follow any Location: header
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32 that the server sends as part of an HTTP header in a 3xx response. The
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33 Location: header can specify a relative or an absolute URL to follow.
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34
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35 libcurl will issue another request for the new URL and follow new Location:
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36 headers all the way until no more such headers are returned.
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37 \fICURLOPT_MAXREDIRS(3)\fP can be used to limit the number of redirects
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38 libcurl will follow.
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39
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40 libcurl limits what protocols it automatically follows to. The accepted
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41 protocols are set with \fICURLOPT_REDIR_PROTOCOLS(3)\fP. By default libcurl
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42 will allow HTTP, HTTPS, FTP and FTPS on redirect (7.65.2). Older versions of
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43 libcurl allowed all protocols on redirect except those disabled for security
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44 reasons: Since 7.19.4 FILE and SCP are disabled, and since 7.40.0 SMB and SMBS
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45 are also disabled.
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46
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47 When following a Location:, the 3xx response code that redirected it also
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48 dictates which request method it will use in the subsequent request: For 301,
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49 302 and 303 responses libcurl will switch method to GET unless
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50 \fICURLOPT_POSTREDIR(3)\fP instructs libcurl otherwise. All other 3xx codes
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51 will make libcurl send the same method again.
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52
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53 For users who think the existing location following is too naive, too simple
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54 or just lacks features, it is very easy to instead implement your own redirect
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55 follow logic with the use of \fIcurl_easy_getinfo(3)\fP's
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56 \fICURLINFO_REDIRECT_URL(3)\fP option instead of using
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57 \fICURLOPT_FOLLOWLOCATION(3)\fP.
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58 .SH DEFAULT
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59 0, disabled
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60 .SH PROTOCOLS
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61 HTTP(S)
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62 .SH EXAMPLE
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63 .nf
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64 CURL *curl = curl_easy_init();
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65 if(curl) {
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66 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
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67
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68 /* example.com is redirected, so we tell libcurl to follow redirection */
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69 curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
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70
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71 curl_easy_perform(curl);
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72 }
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73 .fi
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74 .SH AVAILABILITY
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75 Along with HTTP
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76 .SH RETURN VALUE
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77 Returns CURLE_OK if HTTP is supported, and CURLE_UNKNOWN_OPTION if not.
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78 .SH "SEE ALSO"
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79 .BR CURLOPT_REDIR_PROTOCOLS "(3), " CURLOPT_PROTOCOLS "(3), "
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80 .BR CURLOPT_POSTREDIR "(3), "
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81 .BR CURLINFO_REDIRECT_URL "(3), " CURLINFO_REDIRECT_COUNT "(3), "