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 |
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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_LIBIDN2
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40 | #include <idn2.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 | #ifdef HAVE_ZLIB_H
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68 | #include <zlib.h>
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69 | #ifdef __SYMBIAN32__
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70 | /* zlib pollutes the namespace with this definition */
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71 | #undef WIN32
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72 | #endif
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73 | #endif
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74 |
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75 | #ifdef HAVE_BROTLI
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76 | #include <brotli/decode.h>
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77 | #endif
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78 |
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79 | void Curl_version_init(void);
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80 |
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81 | /* For thread safety purposes this function is called by global_init so that
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82 | the static data in both version functions is initialized. */
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83 | void Curl_version_init(void)
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84 | {
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85 | curl_version();
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86 | curl_version_info(CURLVERSION_NOW);
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87 | }
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88 |
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89 | #ifdef HAVE_BROTLI
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90 | static size_t brotli_version(char *buf, size_t bufsz)
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91 | {
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92 | uint32_t brotli_version = BrotliDecoderVersion();
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93 | unsigned int major = brotli_version >> 24;
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94 | unsigned int minor = (brotli_version & 0x00FFFFFF) >> 12;
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95 | unsigned int patch = brotli_version & 0x00000FFF;
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96 |
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97 | return snprintf(buf, bufsz, "%u.%u.%u", major, minor, patch);
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98 | }
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99 | #endif
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100 |
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101 | char *curl_version(void)
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102 | {
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103 | static bool initialized;
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104 | static char version[200];
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105 | char *ptr = version;
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106 | size_t len;
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107 | size_t left = sizeof(version);
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108 |
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109 | if(initialized)
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110 | return version;
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111 |
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112 | strcpy(ptr, LIBCURL_NAME "/" LIBCURL_VERSION);
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113 | len = strlen(ptr);
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114 | left -= len;
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115 | ptr += len;
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116 |
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117 | if(left > 1) {
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118 | len = Curl_ssl_version(ptr + 1, left - 1);
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119 |
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120 | if(len > 0) {
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121 | *ptr = ' ';
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122 | left -= ++len;
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123 | ptr += len;
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124 | }
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125 | }
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126 |
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127 | #ifdef HAVE_LIBZ
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128 | len = snprintf(ptr, left, " zlib/%s", zlibVersion());
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129 | left -= len;
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130 | ptr += len;
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131 | #endif
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132 | #ifdef HAVE_BROTLI
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133 | len = snprintf(ptr, left, "%s", " brotli/");
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134 | left -= len;
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135 | ptr += len;
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136 | len = brotli_version(ptr, left);
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137 | left -= len;
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138 | ptr += len;
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139 | #endif
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140 | #ifdef USE_ARES
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141 | /* this function is only present in c-ares, not in the original ares */
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142 | len = snprintf(ptr, left, " c-ares/%s", ares_version(NULL));
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143 | left -= len;
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144 | ptr += len;
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145 | #endif
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146 | #ifdef USE_LIBIDN2
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147 | if(idn2_check_version(IDN2_VERSION)) {
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148 | len = snprintf(ptr, left, " libidn2/%s", idn2_check_version(NULL));
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149 | left -= len;
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150 | ptr += len;
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151 | }
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152 | #endif
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153 | #ifdef USE_LIBPSL
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154 | len = snprintf(ptr, left, " libpsl/%s", psl_get_version());
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155 | left -= len;
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156 | ptr += len;
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157 | #endif
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158 | #ifdef USE_WIN32_IDN
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159 | len = snprintf(ptr, left, " WinIDN");
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160 | left -= len;
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161 | ptr += len;
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162 | #endif
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163 | #if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
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164 | #ifdef _LIBICONV_VERSION
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165 | len = snprintf(ptr, left, " iconv/%d.%d",
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166 | _LIBICONV_VERSION >> 8, _LIBICONV_VERSION & 255);
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167 | #else
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168 | /* version unknown */
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169 | len = snprintf(ptr, left, " iconv");
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170 | #endif /* _LIBICONV_VERSION */
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171 | left -= len;
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172 | ptr += len;
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173 | #endif
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174 | #ifdef USE_LIBSSH2
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175 | len = snprintf(ptr, left, " libssh2/%s", CURL_LIBSSH2_VERSION);
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176 | left -= len;
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177 | ptr += len;
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178 | #endif
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179 | #ifdef USE_NGHTTP2
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180 | len = Curl_http2_ver(ptr, left);
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181 | left -= len;
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182 | ptr += len;
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183 | #endif
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184 | #ifdef USE_LIBRTMP
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185 | {
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186 | char suff[2];
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187 | if(RTMP_LIB_VERSION & 0xff) {
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188 | suff[0] = (RTMP_LIB_VERSION & 0xff) + 'a' - 1;
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189 | suff[1] = '\0';
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190 | }
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191 | else
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192 | suff[0] = '\0';
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193 |
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194 | snprintf(ptr, left, " librtmp/%d.%d%s",
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195 | RTMP_LIB_VERSION >> 16, (RTMP_LIB_VERSION >> 8) & 0xff,
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196 | suff);
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197 | /*
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198 | If another lib version is added below this one, this code would
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199 | also have to do:
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200 |
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201 | len = what snprintf() returned
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202 |
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203 | left -= len;
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204 | ptr += len;
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205 | */
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206 | }
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207 | #endif
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208 |
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209 | initialized = true;
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210 | return version;
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211 | }
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212 |
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213 | /* data for curl_version_info
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214 |
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215 | Keep the list sorted alphabetically. It is also written so that each
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216 | protocol line has its own #if line to make things easier on the eye.
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217 | */
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218 |
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219 | static const char * const protocols[] = {
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220 | #ifndef CURL_DISABLE_DICT
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221 | "dict",
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222 | #endif
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223 | #ifndef CURL_DISABLE_FILE
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224 | "file",
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225 | #endif
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226 | #ifndef CURL_DISABLE_FTP
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227 | "ftp",
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228 | #endif
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229 | #if defined(USE_SSL) && !defined(CURL_DISABLE_FTP)
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230 | "ftps",
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231 | #endif
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232 | #ifndef CURL_DISABLE_GOPHER
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233 | "gopher",
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234 | #endif
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235 | #ifndef CURL_DISABLE_HTTP
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236 | "http",
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237 | #endif
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238 | #if defined(USE_SSL) && !defined(CURL_DISABLE_HTTP)
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239 | "https",
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240 | #endif
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241 | #ifndef CURL_DISABLE_IMAP
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242 | "imap",
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243 | #endif
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244 | #if defined(USE_SSL) && !defined(CURL_DISABLE_IMAP)
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245 | "imaps",
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246 | #endif
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247 | #ifndef CURL_DISABLE_LDAP
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248 | "ldap",
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249 | #if !defined(CURL_DISABLE_LDAPS) && \
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250 | ((defined(USE_OPENLDAP) && defined(USE_SSL)) || \
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251 | (!defined(USE_OPENLDAP) && defined(HAVE_LDAP_SSL)))
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252 | "ldaps",
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253 | #endif
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254 | #endif
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255 | #ifndef CURL_DISABLE_POP3
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256 | "pop3",
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257 | #endif
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258 | #if defined(USE_SSL) && !defined(CURL_DISABLE_POP3)
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259 | "pop3s",
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260 | #endif
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261 | #ifdef USE_LIBRTMP
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262 | "rtmp",
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263 | #endif
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264 | #ifndef CURL_DISABLE_RTSP
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265 | "rtsp",
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266 | #endif
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267 | #ifdef USE_LIBSSH2
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268 | "scp",
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269 | #endif
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270 | #ifdef USE_LIBSSH2
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271 | "sftp",
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272 | #endif
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273 | #if !defined(CURL_DISABLE_SMB) && defined(USE_NTLM) && \
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274 | (CURL_SIZEOF_CURL_OFF_T > 4) && \
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275 | (!defined(USE_WINDOWS_SSPI) || defined(USE_WIN32_CRYPTO))
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276 | "smb",
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277 | # ifdef USE_SSL
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278 | "smbs",
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279 | # endif
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280 | #endif
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281 | #ifndef CURL_DISABLE_SMTP
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282 | "smtp",
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283 | #endif
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284 | #if defined(USE_SSL) && !defined(CURL_DISABLE_SMTP)
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285 | "smtps",
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286 | #endif
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287 | #ifndef CURL_DISABLE_TELNET
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288 | "telnet",
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289 | #endif
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290 | #ifndef CURL_DISABLE_TFTP
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291 | "tftp",
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292 | #endif
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293 |
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294 | NULL
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295 | };
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296 |
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297 | static curl_version_info_data version_info = {
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298 | CURLVERSION_NOW,
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299 | LIBCURL_VERSION,
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300 | LIBCURL_VERSION_NUM,
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301 | OS, /* as found by configure or set by hand at build-time */
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302 | 0 /* features is 0 by default */
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303 | #ifdef ENABLE_IPV6
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304 | | CURL_VERSION_IPV6
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305 | #endif
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306 | #ifdef USE_SSL
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307 | | CURL_VERSION_SSL
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308 | #endif
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309 | #ifdef USE_NTLM
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310 | | CURL_VERSION_NTLM
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311 | #endif
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312 | #if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM) && \
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313 | defined(NTLM_WB_ENABLED)
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314 | | CURL_VERSION_NTLM_WB
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315 | #endif
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316 | #ifdef USE_SPNEGO
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317 | | CURL_VERSION_SPNEGO
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318 | #endif
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319 | #ifdef USE_KERBEROS5
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320 | | CURL_VERSION_KERBEROS5
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321 | #endif
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322 | #ifdef HAVE_GSSAPI
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323 | | CURL_VERSION_GSSAPI
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324 | #endif
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325 | #ifdef USE_WINDOWS_SSPI
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326 | | CURL_VERSION_SSPI
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327 | #endif
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328 | #ifdef HAVE_LIBZ
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329 | | CURL_VERSION_LIBZ
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330 | #endif
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331 | #ifdef DEBUGBUILD
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332 | | CURL_VERSION_DEBUG
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333 | #endif
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334 | #ifdef CURLDEBUG
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335 | | CURL_VERSION_CURLDEBUG
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336 | #endif
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337 | #ifdef CURLRES_ASYNCH
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338 | | CURL_VERSION_ASYNCHDNS
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339 | #endif
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340 | #if (CURL_SIZEOF_CURL_OFF_T > 4) && \
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341 | ( (SIZEOF_OFF_T > 4) || defined(USE_WIN32_LARGE_FILES) )
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342 | | CURL_VERSION_LARGEFILE
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343 | #endif
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344 | #if defined(CURL_DOES_CONVERSIONS)
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345 | | CURL_VERSION_CONV
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346 | #endif
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347 | #if defined(USE_TLS_SRP)
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348 | | CURL_VERSION_TLSAUTH_SRP
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349 | #endif
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350 | #if defined(USE_NGHTTP2)
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351 | | CURL_VERSION_HTTP2
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352 | #endif
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353 | #if defined(USE_UNIX_SOCKETS)
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354 | | CURL_VERSION_UNIX_SOCKETS
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355 | #endif
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356 | #if defined(USE_LIBPSL)
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357 | | CURL_VERSION_PSL
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358 | #endif
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359 | #if defined(CURL_WITH_MULTI_SSL)
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360 | | CURL_VERSION_MULTI_SSL
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361 | #endif
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362 | #if defined(HAVE_BROTLI)
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363 | | CURL_VERSION_BROTLI
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364 | #endif
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365 | ,
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366 | NULL, /* ssl_version */
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367 | 0, /* ssl_version_num, this is kept at zero */
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368 | NULL, /* zlib_version */
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369 | protocols,
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370 | NULL, /* c-ares version */
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371 | 0, /* c-ares version numerical */
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372 | NULL, /* libidn version */
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373 | 0, /* iconv version */
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374 | NULL, /* ssh lib version */
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375 | 0, /* brotli_ver_num */
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376 | NULL, /* brotli version */
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377 | };
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378 |
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379 | curl_version_info_data *curl_version_info(CURLversion stamp)
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380 | {
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381 | static bool initialized;
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382 | #ifdef USE_LIBSSH2
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383 | static char ssh_buffer[80];
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384 | #endif
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385 | #ifdef USE_SSL
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386 | static char ssl_buffer[80];
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387 | #endif
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388 | #ifdef HAVE_BROTLI
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389 | static char brotli_buffer[80];
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390 | #endif
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391 |
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392 | if(initialized)
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393 | return &version_info;
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394 |
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395 | #ifdef USE_SSL
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396 | Curl_ssl_version(ssl_buffer, sizeof(ssl_buffer));
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397 | version_info.ssl_version = ssl_buffer;
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398 | if(Curl_ssl->support_https_proxy)
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399 | version_info.features |= CURL_VERSION_HTTPS_PROXY;
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400 | else
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401 | version_info.features &= ~CURL_VERSION_HTTPS_PROXY;
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402 | #endif
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403 |
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404 | #ifdef HAVE_LIBZ
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405 | version_info.libz_version = zlibVersion();
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406 | /* libz left NULL if non-existing */
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407 | #endif
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408 | #ifdef USE_ARES
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409 | {
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410 | int aresnum;
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411 | version_info.ares = ares_version(&aresnum);
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412 | version_info.ares_num = aresnum;
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413 | }
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414 | #endif
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415 | #ifdef USE_LIBIDN2
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416 | /* This returns a version string if we use the given version or later,
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417 | otherwise it returns NULL */
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418 | version_info.libidn = idn2_check_version(IDN2_VERSION);
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419 | if(version_info.libidn)
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420 | version_info.features |= CURL_VERSION_IDN;
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421 | #elif defined(USE_WIN32_IDN)
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422 | version_info.features |= CURL_VERSION_IDN;
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423 | #endif
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424 |
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425 | #if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
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426 | #ifdef _LIBICONV_VERSION
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427 | version_info.iconv_ver_num = _LIBICONV_VERSION;
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428 | #else
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429 | /* version unknown */
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430 | version_info.iconv_ver_num = -1;
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431 | #endif /* _LIBICONV_VERSION */
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432 | #endif
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433 |
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434 | #ifdef USE_LIBSSH2
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435 | snprintf(ssh_buffer, sizeof(ssh_buffer), "libssh2/%s", LIBSSH2_VERSION);
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436 | version_info.libssh_version = ssh_buffer;
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437 | #endif
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438 |
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439 | #ifdef HAVE_BROTLI
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440 | version_info.brotli_ver_num = BrotliDecoderVersion();
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441 | brotli_version(brotli_buffer, sizeof brotli_buffer);
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442 | version_info.brotli_version = brotli_buffer;
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443 | #endif
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444 |
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445 | (void)stamp; /* avoid compiler warnings, we don't use this */
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446 |
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447 | initialized = true;
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448 | return &version_info;
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449 | }
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