annotate mupdf-source/thirdparty/curl/docs/examples/anyauthput.c @ 40:aa33339d6b8a upstream

ADD: MuPDF v1.26.10: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.5.
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 11:31:38 +0200
parents b50eed0cc0ef
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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 - 2017, 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 /* <DESC>
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23 * HTTP PUT upload with authentiction using "any" method. libcurl picks the
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24 * one the server supports/wants.
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25 * </DESC>
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26 */
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27 #include <stdio.h>
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28 #include <fcntl.h>
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29 #include <sys/types.h>
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30 #include <sys/stat.h>
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31
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32 #include <curl/curl.h>
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33
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34 #ifdef WIN32
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35 # include <io.h>
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36 # define READ_3RD_ARG unsigned int
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37 #else
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38 # include <unistd.h>
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39 # define READ_3RD_ARG size_t
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40 #endif
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41
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42 #if LIBCURL_VERSION_NUM < 0x070c03
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43 #error "upgrade your libcurl to no less than 7.12.3"
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44 #endif
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45
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46 /*
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47 * This example shows a HTTP PUT operation with authentiction using "any"
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48 * type. It PUTs a file given as a command line argument to the URL also given
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49 * on the command line.
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50 *
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51 * Since libcurl 7.12.3, using "any" auth and POST/PUT requires a set ioctl
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52 * function.
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53 *
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54 * This example also uses its own read callback.
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55 */
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56
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57 /* ioctl callback function */
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58 static curlioerr my_ioctl(CURL *handle, curliocmd cmd, void *userp)
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59 {
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60 int *fdp = (int *)userp;
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61 int fd = *fdp;
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62
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63 (void)handle; /* not used in here */
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64
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65 switch(cmd) {
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66 case CURLIOCMD_RESTARTREAD:
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67 /* mr libcurl kindly asks as to rewind the read data stream to start */
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68 if(-1 == lseek(fd, 0, SEEK_SET))
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69 /* couldn't rewind */
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70 return CURLIOE_FAILRESTART;
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71
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72 break;
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73
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74 default: /* ignore unknown commands */
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75 return CURLIOE_UNKNOWNCMD;
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76 }
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77 return CURLIOE_OK; /* success! */
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78 }
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79
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80 /* read callback function, fread() look alike */
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81 static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream)
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82 {
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83 ssize_t retcode;
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84 curl_off_t nread;
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85
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86 int *fdp = (int *)stream;
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87 int fd = *fdp;
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88
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89 retcode = read(fd, ptr, (READ_3RD_ARG)(size * nmemb));
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90
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91 nread = (curl_off_t)retcode;
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92
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93 fprintf(stderr, "*** We read %" CURL_FORMAT_CURL_OFF_T
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94 " bytes from file\n", nread);
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95
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96 return retcode;
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97 }
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98
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99 int main(int argc, char **argv)
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100 {
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101 CURL *curl;
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102 CURLcode res;
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103 int hd;
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104 struct stat file_info;
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105
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106 char *file;
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107 char *url;
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108
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109 if(argc < 3)
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110 return 1;
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111
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112 file = argv[1];
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113 url = argv[2];
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114
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115 /* get the file size of the local file */
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116 hd = open(file, O_RDONLY);
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117 fstat(hd, &file_info);
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118
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119 /* In windows, this will init the winsock stuff */
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120 curl_global_init(CURL_GLOBAL_ALL);
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121
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122 /* get a curl handle */
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123 curl = curl_easy_init();
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124 if(curl) {
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125 /* we want to use our own read function */
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126 curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
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127
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128 /* which file to upload */
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129 curl_easy_setopt(curl, CURLOPT_READDATA, (void *)&hd);
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130
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131 /* set the ioctl function */
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132 curl_easy_setopt(curl, CURLOPT_IOCTLFUNCTION, my_ioctl);
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133
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134 /* pass the file descriptor to the ioctl callback as well */
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135 curl_easy_setopt(curl, CURLOPT_IOCTLDATA, (void *)&hd);
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136
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137 /* enable "uploading" (which means PUT when doing HTTP) */
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138 curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
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139
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140 /* specify target URL, and note that this URL should also include a file
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141 name, not only a directory (as you can do with GTP uploads) */
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142 curl_easy_setopt(curl, CURLOPT_URL, url);
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143
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144 /* and give the size of the upload, this supports large file sizes
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145 on systems that have general support for it */
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146 curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE,
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147 (curl_off_t)file_info.st_size);
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148
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149 /* tell libcurl we can use "any" auth, which lets the lib pick one, but it
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150 also costs one extra round-trip and possibly sending of all the PUT
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151 data twice!!! */
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152 curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_ANY);
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153
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154 /* set user name and password for the authentication */
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155 curl_easy_setopt(curl, CURLOPT_USERPWD, "user:password");
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156
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157 /* Now run off and do what you've been told! */
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158 res = curl_easy_perform(curl);
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159 /* Check for errors */
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160 if(res != CURLE_OK)
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161 fprintf(stderr, "curl_easy_perform() failed: %s\n",
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162 curl_easy_strerror(res));
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163
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164 /* always cleanup */
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165 curl_easy_cleanup(curl);
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166 }
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167 close(hd); /* close the local file */
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168
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169 curl_global_cleanup();
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170 return 0;
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171 }