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 | #include "curl_setup.h"
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24 |
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25 | #include <curl/curl.h>
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26 | #include "urldata.h"
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27 | #include "vtls/vtls.h"
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28 | #include "http2.h"
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29 | #include "curl_printf.h"
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30 |
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31 | #ifdef USE_ARES
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32 | # if defined(CURL_STATICLIB) && !defined(CARES_STATICLIB) && \
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33 | (defined(WIN32) || defined(_WIN32) || defined(__SYMBIAN32__))
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34 | # define CARES_STATICLIB
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35 | # endif
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36 | # include <ares.h>
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37 | #endif
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38 |
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39 | #ifdef USE_LIBIDN
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40 | #include <stringprep.h>
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41 | #endif
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42 |
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43 | #ifdef USE_LIBPSL
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44 | #include <libpsl.h>
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45 | #endif
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46 |
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47 | #if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
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48 | #include <iconv.h>
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49 | #endif
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50 |
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51 | #ifdef USE_LIBRTMP
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52 | #include <librtmp/rtmp.h>
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53 | #endif
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54 |
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55 | #ifdef USE_LIBSSH2
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56 | #include <libssh2.h>
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57 | #endif
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58 |
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59 | #ifdef HAVE_LIBSSH2_VERSION
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60 | /* get it run-time if possible */
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61 | #define CURL_LIBSSH2_VERSION libssh2_version(0)
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62 | #else
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63 | /* use build-time if run-time not possible */
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64 | #define CURL_LIBSSH2_VERSION LIBSSH2_VERSION
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65 | #endif
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66 |
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67 | char *curl_version(void)
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68 | {
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69 | static char version[200];
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70 | char *ptr = version;
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71 | size_t len;
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72 | size_t left = sizeof(version);
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73 |
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74 | strcpy(ptr, LIBCURL_NAME "/" LIBCURL_VERSION);
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75 | len = strlen(ptr);
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76 | left -= len;
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77 | ptr += len;
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78 |
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79 | if(left > 1) {
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80 | len = Curl_ssl_version(ptr + 1, left - 1);
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81 |
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82 | if(len > 0) {
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83 | *ptr = ' ';
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84 | left -= ++len;
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85 | ptr += len;
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86 | }
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87 | }
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88 |
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89 | #ifdef HAVE_LIBZ
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90 | len = snprintf(ptr, left, " zlib/%s", zlibVersion());
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91 | left -= len;
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92 | ptr += len;
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93 | #endif
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94 | #ifdef USE_ARES
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95 | /* this function is only present in c-ares, not in the original ares */
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96 | len = snprintf(ptr, left, " c-ares/%s", ares_version(NULL));
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97 | left -= len;
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98 | ptr += len;
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99 | #endif
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100 | #ifdef USE_LIBIDN
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101 | if(stringprep_check_version(LIBIDN_REQUIRED_VERSION)) {
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102 | len = snprintf(ptr, left, " libidn/%s", stringprep_check_version(NULL));
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103 | left -= len;
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104 | ptr += len;
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105 | }
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106 | #endif
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107 | #ifdef USE_LIBPSL
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108 | len = snprintf(ptr, left, " libpsl/%s", psl_get_version());
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109 | left -= len;
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110 | ptr += len;
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111 | #endif
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112 | #ifdef USE_WIN32_IDN
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113 | len = snprintf(ptr, left, " WinIDN");
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114 | left -= len;
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115 | ptr += len;
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116 | #endif
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117 | #if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
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118 | #ifdef _LIBICONV_VERSION
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119 | len = snprintf(ptr, left, " iconv/%d.%d",
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120 | _LIBICONV_VERSION >> 8, _LIBICONV_VERSION & 255);
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121 | #else
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122 | /* version unknown */
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123 | len = snprintf(ptr, left, " iconv");
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124 | #endif /* _LIBICONV_VERSION */
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125 | left -= len;
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126 | ptr += len;
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127 | #endif
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128 | #ifdef USE_LIBSSH2
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129 | len = snprintf(ptr, left, " libssh2/%s", CURL_LIBSSH2_VERSION);
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130 | left -= len;
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131 | ptr += len;
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132 | #endif
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133 | #ifdef USE_NGHTTP2
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134 | len = Curl_http2_ver(ptr, left);
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135 | left -= len;
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136 | ptr += len;
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137 | #endif
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138 | #ifdef USE_LIBRTMP
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139 | {
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140 | char suff[2];
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141 | if(RTMP_LIB_VERSION & 0xff) {
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142 | suff[0] = (RTMP_LIB_VERSION & 0xff) + 'a' - 1;
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143 | suff[1] = '\0';
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144 | }
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145 | else
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146 | suff[0] = '\0';
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147 |
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148 | snprintf(ptr, left, " librtmp/%d.%d%s",
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149 | RTMP_LIB_VERSION >> 16, (RTMP_LIB_VERSION >> 8) & 0xff,
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150 | suff);
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151 | /*
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152 | If another lib version is added below this one, this code would
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153 | also have to do:
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154 |
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155 | len = what snprintf() returned
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156 |
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157 | left -= len;
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158 | ptr += len;
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159 | */
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160 | }
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161 | #endif
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162 |
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163 | return version;
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164 | }
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165 |
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166 | /* data for curl_version_info
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167 |
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168 | Keep the list sorted alphabetically. It is also written so that each
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169 | protocol line has its own #if line to make things easier on the eye.
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170 | */
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171 |
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172 | static const char * const protocols[] = {
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173 | #ifndef CURL_DISABLE_DICT
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174 | "dict",
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175 | #endif
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176 | #ifndef CURL_DISABLE_FILE
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177 | "file",
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178 | #endif
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179 | #ifndef CURL_DISABLE_FTP
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180 | "ftp",
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181 | #endif
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182 | #if defined(USE_SSL) && !defined(CURL_DISABLE_FTP)
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183 | "ftps",
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184 | #endif
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185 | #ifndef CURL_DISABLE_GOPHER
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186 | "gopher",
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187 | #endif
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188 | #ifndef CURL_DISABLE_HTTP
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189 | "http",
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190 | #endif
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191 | #if defined(USE_SSL) && !defined(CURL_DISABLE_HTTP)
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192 | "https",
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193 | #endif
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194 | #ifndef CURL_DISABLE_IMAP
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195 | "imap",
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196 | #endif
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197 | #if defined(USE_SSL) && !defined(CURL_DISABLE_IMAP)
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198 | "imaps",
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199 | #endif
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200 | #ifndef CURL_DISABLE_LDAP
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201 | "ldap",
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202 | #if !defined(CURL_DISABLE_LDAPS) && \
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203 | ((defined(USE_OPENLDAP) && defined(USE_SSL)) || \
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204 | (!defined(USE_OPENLDAP) && defined(HAVE_LDAP_SSL)))
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205 | "ldaps",
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206 | #endif
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207 | #endif
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208 | #ifndef CURL_DISABLE_POP3
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209 | "pop3",
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210 | #endif
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211 | #if defined(USE_SSL) && !defined(CURL_DISABLE_POP3)
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212 | "pop3s",
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213 | #endif
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214 | #ifdef USE_LIBRTMP
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215 | "rtmp",
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216 | #endif
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217 | #ifndef CURL_DISABLE_RTSP
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218 | "rtsp",
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219 | #endif
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220 | #ifdef USE_LIBSSH2
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221 | "scp",
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222 | #endif
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223 | #ifdef USE_LIBSSH2
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224 | "sftp",
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225 | #endif
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226 | #if !defined(CURL_DISABLE_SMB) && defined(USE_NTLM) && \
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227 | (CURL_SIZEOF_CURL_OFF_T > 4) && \
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228 | (!defined(USE_WINDOWS_SSPI) || defined(USE_WIN32_CRYPTO))
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229 | "smb",
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230 | # ifdef USE_SSL
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231 | "smbs",
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232 | # endif
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233 | #endif
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234 | #ifndef CURL_DISABLE_SMTP
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235 | "smtp",
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236 | #endif
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237 | #if defined(USE_SSL) && !defined(CURL_DISABLE_SMTP)
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238 | "smtps",
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239 | #endif
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240 | #ifndef CURL_DISABLE_TELNET
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241 | "telnet",
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242 | #endif
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243 | #ifndef CURL_DISABLE_TFTP
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244 | "tftp",
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245 | #endif
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246 |
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247 | NULL
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248 | };
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249 |
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250 | static curl_version_info_data version_info = {
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251 | CURLVERSION_NOW,
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252 | LIBCURL_VERSION,
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253 | LIBCURL_VERSION_NUM,
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254 | OS, /* as found by configure or set by hand at build-time */
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255 | 0 /* features is 0 by default */
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256 | #ifdef ENABLE_IPV6
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257 | | CURL_VERSION_IPV6
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258 | #endif
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259 | #ifdef USE_SSL
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260 | | CURL_VERSION_SSL
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261 | #endif
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262 | #ifdef USE_NTLM
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263 | | CURL_VERSION_NTLM
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264 | #endif
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265 | #if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM) && \
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266 | defined(NTLM_WB_ENABLED)
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267 | | CURL_VERSION_NTLM_WB
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268 | #endif
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269 | #ifdef USE_SPNEGO
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270 | | CURL_VERSION_SPNEGO
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271 | #endif
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272 | #ifdef USE_KERBEROS5
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273 | | CURL_VERSION_KERBEROS5
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274 | #endif
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275 | #ifdef HAVE_GSSAPI
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276 | | CURL_VERSION_GSSAPI
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277 | #endif
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278 | #ifdef USE_WINDOWS_SSPI
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279 | | CURL_VERSION_SSPI
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280 | #endif
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281 | #ifdef HAVE_LIBZ
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282 | | CURL_VERSION_LIBZ
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283 | #endif
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284 | #ifdef DEBUGBUILD
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285 | | CURL_VERSION_DEBUG
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286 | #endif
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287 | #ifdef CURLDEBUG
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288 | | CURL_VERSION_CURLDEBUG
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289 | #endif
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290 | #ifdef CURLRES_ASYNCH
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291 | | CURL_VERSION_ASYNCHDNS
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292 | #endif
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293 | #if (CURL_SIZEOF_CURL_OFF_T > 4) && \
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294 | ( (SIZEOF_OFF_T > 4) || defined(USE_WIN32_LARGE_FILES) )
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295 | | CURL_VERSION_LARGEFILE
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296 | #endif
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297 | #if defined(CURL_DOES_CONVERSIONS)
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298 | | CURL_VERSION_CONV
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299 | #endif
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300 | #if defined(USE_TLS_SRP)
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301 | | CURL_VERSION_TLSAUTH_SRP
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302 | #endif
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303 | #if defined(USE_NGHTTP2)
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304 | | CURL_VERSION_HTTP2
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305 | #endif
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306 | #if defined(USE_UNIX_SOCKETS)
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307 | | CURL_VERSION_UNIX_SOCKETS
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308 | #endif
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309 | #if defined(USE_LIBPSL)
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310 | | CURL_VERSION_PSL
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311 | #endif
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312 | ,
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313 | NULL, /* ssl_version */
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314 | 0, /* ssl_version_num, this is kept at zero */
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315 | NULL, /* zlib_version */
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316 | protocols,
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317 | NULL, /* c-ares version */
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318 | 0, /* c-ares version numerical */
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319 | NULL, /* libidn version */
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320 | 0, /* iconv version */
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321 | NULL, /* ssh lib version */
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322 | };
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323 |
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324 | curl_version_info_data *curl_version_info(CURLversion stamp)
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325 | {
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326 | #ifdef USE_LIBSSH2
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327 | static char ssh_buffer[80];
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328 | #endif
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329 |
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330 | #ifdef USE_SSL
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331 | static char ssl_buffer[80];
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332 | Curl_ssl_version(ssl_buffer, sizeof(ssl_buffer));
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333 | version_info.ssl_version = ssl_buffer;
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334 | #endif
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335 |
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336 | #ifdef HAVE_LIBZ
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337 | version_info.libz_version = zlibVersion();
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338 | /* libz left NULL if non-existing */
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339 | #endif
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340 | #ifdef USE_ARES
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341 | {
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342 | int aresnum;
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343 | version_info.ares = ares_version(&aresnum);
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344 | version_info.ares_num = aresnum;
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345 | }
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346 | #endif
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347 | #ifdef USE_LIBIDN
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348 | /* This returns a version string if we use the given version or later,
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349 | otherwise it returns NULL */
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350 | version_info.libidn = stringprep_check_version(LIBIDN_REQUIRED_VERSION);
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351 | if(version_info.libidn)
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352 | version_info.features |= CURL_VERSION_IDN;
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353 | #elif defined(USE_WIN32_IDN)
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354 | version_info.features |= CURL_VERSION_IDN;
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355 | #endif
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356 |
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357 | #if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
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358 | #ifdef _LIBICONV_VERSION
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359 | version_info.iconv_ver_num = _LIBICONV_VERSION;
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360 | #else
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361 | /* version unknown */
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362 | version_info.iconv_ver_num = -1;
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363 | #endif /* _LIBICONV_VERSION */
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364 | #endif
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365 |
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366 | #ifdef USE_LIBSSH2
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367 | snprintf(ssh_buffer, sizeof(ssh_buffer), "libssh2/%s", LIBSSH2_VERSION);
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368 | version_info.libssh_version = ssh_buffer;
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369 | #endif
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370 |
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371 | (void)stamp; /* avoid compiler warnings, we don't use this */
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372 |
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373 | return &version_info;
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374 | }
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