Mercurial > hgrepos > Python2 > PyMuPDF
annotate mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_HTTPAUTH.3 @ 17:dd9cdb856310
Remove PKG-INFO from the because it is regenerated automatically for the sdist
| author | Franz Glasner <fzglas.hg@dom66.de> |
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| date | Thu, 18 Sep 2025 17:40:40 +0200 |
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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 - 2018, 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_HTTPAUTH 3 "2 Aug 2014" "libcurl 7.38.0" "curl_easy_setopt options" |
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24 .SH NAME |
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25 CURLOPT_HTTPAUTH \- set HTTP server authentication methods to try |
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26 .SH SYNOPSIS |
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27 .nf |
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28 #include <curl/curl.h> |
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29 |
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30 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HTTPAUTH, long bitmask); |
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31 .SH DESCRIPTION |
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32 Pass a long as parameter, which is set to a bitmask, to tell libcurl which |
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33 authentication method(s) you want it to use speaking to the remote server. |
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34 |
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35 The available bits are listed below. If more than one bit is set, libcurl will |
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36 first query the site to see which authentication methods it supports and then |
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37 pick the best one you allow it to use. For some methods, this will induce an |
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38 extra network round-trip. Set the actual name and password with the |
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39 \fICURLOPT_USERPWD(3)\fP option or with the \fICURLOPT_USERNAME(3)\fP and the |
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40 \fICURLOPT_PASSWORD(3)\fP options. |
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41 |
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42 For authentication with a proxy, see \fICURLOPT_PROXYAUTH(3)\fP. |
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43 |
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44 .IP CURLAUTH_BASIC |
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45 HTTP Basic authentication. This is the default choice, and the only method |
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46 that is in wide-spread use and supported virtually everywhere. This sends |
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47 the user name and password over the network in plain text, easily captured by |
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48 others. |
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49 .IP CURLAUTH_DIGEST |
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50 HTTP Digest authentication. Digest authentication is defined in RFC2617 and |
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51 is a more secure way to do authentication over public networks than the |
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52 regular old-fashioned Basic method. |
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53 .IP CURLAUTH_DIGEST_IE |
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54 HTTP Digest authentication with an IE flavor. Digest authentication is |
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55 defined in RFC2617 and is a more secure way to do authentication over public |
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56 networks than the regular old-fashioned Basic method. The IE flavor is simply |
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57 that libcurl will use a special "quirk" that IE is known to have used before |
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58 version 7 and that some servers require the client to use. |
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59 .IP CURLAUTH_BEARER |
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60 HTTP Bearer token authentication, used primarily in OAuth 2.0 protocol. |
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61 |
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62 You can set the Bearer token to use with \fICURLOPT_XOAUTH2_BEARER(3)\fP. |
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63 .IP CURLAUTH_NEGOTIATE |
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64 HTTP Negotiate (SPNEGO) authentication. Negotiate authentication is defined |
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65 in RFC 4559 and is the most secure way to perform authentication over HTTP. |
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66 |
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67 You need to build libcurl with a suitable GSS-API library or SSPI on Windows |
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68 for this to work. |
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69 .IP CURLAUTH_NTLM |
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70 HTTP NTLM authentication. A proprietary protocol invented and used by |
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71 Microsoft. It uses a challenge-response and hash concept similar to Digest, to |
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72 prevent the password from being eavesdropped. |
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73 |
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74 You need to build libcurl with either OpenSSL, GnuTLS or NSS support for this |
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75 option to work, or build libcurl on Windows with SSPI support. |
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76 .IP CURLAUTH_NTLM_WB |
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77 NTLM delegating to winbind helper. Authentication is performed by a separate |
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78 binary application that is executed when needed. The name of the application |
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79 is specified at compile time but is typically /usr/bin/ntlm_auth |
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80 |
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81 Note that libcurl will fork when necessary to run the winbind application and |
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82 kill it when complete, calling waitpid() to await its exit when done. On POSIX |
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83 operating systems, killing the process will cause a SIGCHLD signal to be |
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84 raised (regardless of whether \fICURLOPT_NOSIGNAL(3)\fP is set), which must be |
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85 handled intelligently by the application. In particular, the application must |
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86 not unconditionally call wait() in its SIGCHLD signal handler to avoid being |
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87 subject to a race condition. This behavior is subject to change in future |
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88 versions of libcurl. |
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89 .IP CURLAUTH_ANY |
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90 This is a convenience macro that sets all bits and thus makes libcurl pick any |
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91 it finds suitable. libcurl will automatically select the one it finds most |
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92 secure. |
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93 .IP CURLAUTH_ANYSAFE |
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94 This is a convenience macro that sets all bits except Basic and thus makes |
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95 libcurl pick any it finds suitable. libcurl will automatically select the one |
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96 it finds most secure. |
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97 .IP CURLAUTH_ONLY |
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98 This is a meta symbol. OR this value together with a single specific auth |
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99 value to force libcurl to probe for un-restricted auth and if not, only that |
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100 single auth algorithm is acceptable. |
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101 .SH DEFAULT |
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102 CURLAUTH_BASIC |
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103 .SH PROTOCOLS |
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104 HTTP |
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105 .SH EXAMPLE |
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106 .nf |
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107 CURL *curl = curl_easy_init(); |
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108 if(curl) { |
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109 CURLcode ret; |
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110 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/"); |
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111 /* allow whatever auth the server speaks */ |
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112 curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_ANY); |
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113 curl_easy_setopt(curl, CURLOPT_USERPWD, "james:bond"); |
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114 ret = curl_easy_perform(curl); |
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115 } |
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116 .fi |
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117 .SH AVAILABILITY |
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118 Option Added in 7.10.6. |
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119 |
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120 CURLAUTH_DIGEST_IE was added in 7.19.3 |
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121 |
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122 CURLAUTH_ONLY was added in 7.21.3 |
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123 |
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124 CURLAUTH_NTLM_WB was added in 7.22.0 |
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125 |
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126 CURLAUTH_BEARER was added in 7.61.0 |
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127 .SH RETURN VALUE |
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128 Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or |
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129 CURLE_NOT_BUILT_IN if the bitmask specified no supported authentication |
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130 methods. |
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131 .SH "SEE ALSO" |
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132 .BR CURLOPT_PROXYAUTH "(3), " CURLOPT_USERPWD "(3), " |
