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 |
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27 | #include "urldata.h"
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28 | #include "getinfo.h"
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29 |
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30 | #include "vtls/vtls.h"
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31 | #include "connect.h" /* Curl_getconnectinfo() */
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32 | #include "progress.h"
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33 |
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34 | /* The last #include files should be: */
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35 | #include "curl_memory.h"
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36 | #include "memdebug.h"
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37 |
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38 | /*
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39 | * This is supposed to be called in the beginning of a perform() session
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40 | * and should reset all session-info variables
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41 | */
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42 | CURLcode Curl_initinfo(struct SessionHandle *data)
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43 | {
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44 | struct Progress *pro = &data->progress;
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45 | struct PureInfo *info = &data->info;
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46 |
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47 | pro->t_nslookup = 0;
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48 | pro->t_connect = 0;
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49 | pro->t_appconnect = 0;
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50 | pro->t_pretransfer = 0;
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51 | pro->t_starttransfer = 0;
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52 | pro->timespent = 0;
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53 | pro->t_redirect = 0;
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54 |
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55 | info->httpcode = 0;
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56 | info->httpproxycode = 0;
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57 | info->httpversion = 0;
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58 | info->filetime = -1; /* -1 is an illegal time and thus means unknown */
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59 | info->timecond = FALSE;
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60 |
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61 | free(info->contenttype);
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62 | info->contenttype = NULL;
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63 |
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64 | info->header_size = 0;
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65 | info->request_size = 0;
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66 | info->numconnects = 0;
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67 |
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68 | info->conn_primary_ip[0] = '\0';
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69 | info->conn_local_ip[0] = '\0';
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70 | info->conn_primary_port = 0;
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71 | info->conn_local_port = 0;
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72 |
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73 | return CURLE_OK;
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74 | }
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75 |
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76 | static CURLcode getinfo_char(struct SessionHandle *data, CURLINFO info,
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77 | char **param_charp)
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78 | {
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79 | switch(info) {
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80 | case CURLINFO_EFFECTIVE_URL:
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81 | *param_charp = data->change.url?data->change.url:(char *)"";
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82 | break;
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83 | case CURLINFO_CONTENT_TYPE:
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84 | *param_charp = data->info.contenttype;
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85 | break;
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86 | case CURLINFO_PRIVATE:
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87 | *param_charp = (char *) data->set.private_data;
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88 | break;
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89 | case CURLINFO_FTP_ENTRY_PATH:
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90 | /* Return the entrypath string from the most recent connection.
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91 | This pointer was copied from the connectdata structure by FTP.
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92 | The actual string may be free()ed by subsequent libcurl calls so
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93 | it must be copied to a safer area before the next libcurl call.
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94 | Callers must never free it themselves. */
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95 | *param_charp = data->state.most_recent_ftp_entrypath;
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96 | break;
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97 | case CURLINFO_REDIRECT_URL:
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98 | /* Return the URL this request would have been redirected to if that
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99 | option had been enabled! */
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100 | *param_charp = data->info.wouldredirect;
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101 | break;
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102 | case CURLINFO_PRIMARY_IP:
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103 | /* Return the ip address of the most recent (primary) connection */
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104 | *param_charp = data->info.conn_primary_ip;
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105 | break;
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106 | case CURLINFO_LOCAL_IP:
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107 | /* Return the source/local ip address of the most recent (primary)
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108 | connection */
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109 | *param_charp = data->info.conn_local_ip;
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110 | break;
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111 | case CURLINFO_RTSP_SESSION_ID:
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112 | *param_charp = data->set.str[STRING_RTSP_SESSION_ID];
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113 | break;
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114 |
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115 | default:
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116 | return CURLE_UNKNOWN_OPTION;
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117 | }
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118 |
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119 | return CURLE_OK;
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120 | }
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121 |
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122 | static CURLcode getinfo_long(struct SessionHandle *data, CURLINFO info,
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123 | long *param_longp)
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124 | {
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125 | curl_socket_t sockfd;
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126 |
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127 | union {
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128 | unsigned long *to_ulong;
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129 | long *to_long;
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130 | } lptr;
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131 |
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132 | switch(info) {
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133 | case CURLINFO_RESPONSE_CODE:
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134 | *param_longp = data->info.httpcode;
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135 | break;
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136 | case CURLINFO_HTTP_CONNECTCODE:
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137 | *param_longp = data->info.httpproxycode;
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138 | break;
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139 | case CURLINFO_FILETIME:
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140 | *param_longp = data->info.filetime;
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141 | break;
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142 | case CURLINFO_HEADER_SIZE:
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143 | *param_longp = data->info.header_size;
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144 | break;
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145 | case CURLINFO_REQUEST_SIZE:
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146 | *param_longp = data->info.request_size;
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147 | break;
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148 | case CURLINFO_SSL_VERIFYRESULT:
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149 | *param_longp = data->set.ssl.certverifyresult;
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150 | break;
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151 | case CURLINFO_REDIRECT_COUNT:
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152 | *param_longp = data->set.followlocation;
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153 | break;
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154 | case CURLINFO_HTTPAUTH_AVAIL:
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155 | lptr.to_long = param_longp;
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156 | *lptr.to_ulong = data->info.httpauthavail;
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157 | break;
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158 | case CURLINFO_PROXYAUTH_AVAIL:
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159 | lptr.to_long = param_longp;
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160 | *lptr.to_ulong = data->info.proxyauthavail;
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161 | break;
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162 | case CURLINFO_OS_ERRNO:
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163 | *param_longp = data->state.os_errno;
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164 | break;
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165 | case CURLINFO_NUM_CONNECTS:
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166 | *param_longp = data->info.numconnects;
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167 | break;
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168 | case CURLINFO_LASTSOCKET:
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169 | sockfd = Curl_getconnectinfo(data, NULL);
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170 |
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171 | /* note: this is not a good conversion for systems with 64 bit sockets and
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172 | 32 bit longs */
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173 | if(sockfd != CURL_SOCKET_BAD)
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174 | *param_longp = (long)sockfd;
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175 | else
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176 | /* this interface is documented to return -1 in case of badness, which
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177 | may not be the same as the CURL_SOCKET_BAD value */
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178 | *param_longp = -1;
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179 | break;
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180 | case CURLINFO_PRIMARY_PORT:
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181 | /* Return the (remote) port of the most recent (primary) connection */
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182 | *param_longp = data->info.conn_primary_port;
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183 | break;
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184 | case CURLINFO_LOCAL_PORT:
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185 | /* Return the local port of the most recent (primary) connection */
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186 | *param_longp = data->info.conn_local_port;
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187 | break;
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188 | case CURLINFO_CONDITION_UNMET:
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189 | /* return if the condition prevented the document to get transferred */
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190 | *param_longp = data->info.timecond ? 1L : 0L;
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191 | break;
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192 | case CURLINFO_RTSP_CLIENT_CSEQ:
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193 | *param_longp = data->state.rtsp_next_client_CSeq;
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194 | break;
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195 | case CURLINFO_RTSP_SERVER_CSEQ:
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196 | *param_longp = data->state.rtsp_next_server_CSeq;
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197 | break;
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198 | case CURLINFO_RTSP_CSEQ_RECV:
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199 | *param_longp = data->state.rtsp_CSeq_recv;
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200 | break;
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201 |
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202 | default:
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203 | return CURLE_UNKNOWN_OPTION;
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204 | }
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205 |
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206 | return CURLE_OK;
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207 | }
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208 |
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209 | static CURLcode getinfo_double(struct SessionHandle *data, CURLINFO info,
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210 | double *param_doublep)
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211 | {
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212 | switch(info) {
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213 | case CURLINFO_TOTAL_TIME:
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214 | *param_doublep = data->progress.timespent;
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215 | break;
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216 | case CURLINFO_NAMELOOKUP_TIME:
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217 | *param_doublep = data->progress.t_nslookup;
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218 | break;
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219 | case CURLINFO_CONNECT_TIME:
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220 | *param_doublep = data->progress.t_connect;
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221 | break;
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222 | case CURLINFO_APPCONNECT_TIME:
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223 | *param_doublep = data->progress.t_appconnect;
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224 | break;
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225 | case CURLINFO_PRETRANSFER_TIME:
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226 | *param_doublep = data->progress.t_pretransfer;
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227 | break;
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228 | case CURLINFO_STARTTRANSFER_TIME:
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229 | *param_doublep = data->progress.t_starttransfer;
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230 | break;
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231 | case CURLINFO_SIZE_UPLOAD:
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232 | *param_doublep = (double)data->progress.uploaded;
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233 | break;
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234 | case CURLINFO_SIZE_DOWNLOAD:
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235 | *param_doublep = (double)data->progress.downloaded;
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236 | break;
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237 | case CURLINFO_SPEED_DOWNLOAD:
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238 | *param_doublep = (double)data->progress.dlspeed;
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239 | break;
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240 | case CURLINFO_SPEED_UPLOAD:
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241 | *param_doublep = (double)data->progress.ulspeed;
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242 | break;
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243 | case CURLINFO_CONTENT_LENGTH_DOWNLOAD:
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244 | *param_doublep = (data->progress.flags & PGRS_DL_SIZE_KNOWN)?
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245 | (double)data->progress.size_dl:-1;
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246 | break;
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247 | case CURLINFO_CONTENT_LENGTH_UPLOAD:
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248 | *param_doublep = (data->progress.flags & PGRS_UL_SIZE_KNOWN)?
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249 | (double)data->progress.size_ul:-1;
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250 | break;
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251 | case CURLINFO_REDIRECT_TIME:
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252 | *param_doublep = data->progress.t_redirect;
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253 | break;
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254 |
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255 | default:
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256 | return CURLE_UNKNOWN_OPTION;
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257 | }
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258 |
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259 | return CURLE_OK;
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260 | }
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261 |
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262 | static CURLcode getinfo_slist(struct SessionHandle *data, CURLINFO info,
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263 | struct curl_slist **param_slistp)
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264 | {
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265 | union {
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266 | struct curl_certinfo *to_certinfo;
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267 | struct curl_slist *to_slist;
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268 | } ptr;
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269 |
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270 | switch(info) {
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271 | case CURLINFO_SSL_ENGINES:
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272 | *param_slistp = Curl_ssl_engines_list(data);
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273 | break;
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274 | case CURLINFO_COOKIELIST:
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275 | *param_slistp = Curl_cookie_list(data);
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276 | break;
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277 | case CURLINFO_CERTINFO:
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278 | /* Return the a pointer to the certinfo struct. Not really an slist
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279 | pointer but we can pretend it is here */
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280 | ptr.to_certinfo = &data->info.certs;
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281 | *param_slistp = ptr.to_slist;
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282 | break;
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283 | case CURLINFO_TLS_SESSION:
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284 | {
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285 | struct curl_tlssessioninfo **tsip = (struct curl_tlssessioninfo **)
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286 | param_slistp;
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287 | struct curl_tlssessioninfo *tsi = &data->tsi;
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288 | struct connectdata *conn = data->easy_conn;
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289 | unsigned int sockindex = 0;
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290 | void *internals = NULL;
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291 |
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292 | *tsip = tsi;
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293 | tsi->backend = Curl_ssl_backend();
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294 | tsi->internals = NULL;
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295 |
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296 | if(!conn)
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297 | break;
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298 |
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299 | /* Find the active ("in use") SSL connection, if any */
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300 | while((sockindex < sizeof(conn->ssl) / sizeof(conn->ssl[0])) &&
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301 | (!conn->ssl[sockindex].use))
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302 | sockindex++;
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303 |
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304 | if(sockindex == sizeof(conn->ssl) / sizeof(conn->ssl[0]))
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305 | break; /* no SSL session found */
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306 |
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307 | /* Return the TLS session information from the relevant backend */
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308 | #ifdef USE_OPENSSL
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309 | internals = conn->ssl[sockindex].ctx;
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310 | #endif
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311 | #ifdef USE_GNUTLS
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312 | internals = conn->ssl[sockindex].session;
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313 | #endif
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314 | #ifdef USE_NSS
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315 | internals = conn->ssl[sockindex].handle;
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316 | #endif
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317 | #ifdef USE_GSKIT
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318 | internals = conn->ssl[sockindex].handle;
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319 | #endif
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320 | if(internals) {
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321 | tsi->internals = internals;
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322 | }
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323 | /* NOTE: For other SSL backends, it is not immediately clear what data
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324 | to return from 'struct ssl_connect_data'; thus we keep 'internals' to
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325 | NULL which should be interpreted as "not supported" */
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326 | }
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327 | break;
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328 | default:
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329 | return CURLE_UNKNOWN_OPTION;
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330 | }
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331 |
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332 | return CURLE_OK;
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333 | }
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334 |
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335 | static CURLcode getinfo_socket(struct SessionHandle *data, CURLINFO info,
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336 | curl_socket_t *param_socketp)
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337 | {
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338 | switch(info) {
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339 | case CURLINFO_ACTIVESOCKET:
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340 | *param_socketp = Curl_getconnectinfo(data, NULL);
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341 | break;
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342 | default:
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343 | return CURLE_UNKNOWN_OPTION;
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344 | }
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345 |
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346 | return CURLE_OK;
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347 | }
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348 |
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349 | CURLcode Curl_getinfo(struct SessionHandle *data, CURLINFO info, ...)
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350 | {
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351 | va_list arg;
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352 | long *param_longp = NULL;
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353 | double *param_doublep = NULL;
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354 | char **param_charp = NULL;
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355 | struct curl_slist **param_slistp = NULL;
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356 | curl_socket_t *param_socketp = NULL;
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357 | int type;
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358 | CURLcode result = CURLE_UNKNOWN_OPTION;
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359 |
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360 | if(!data)
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361 | return result;
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362 |
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363 | va_start(arg, info);
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364 |
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365 | type = CURLINFO_TYPEMASK & (int)info;
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366 | switch(type) {
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367 | case CURLINFO_STRING:
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368 | param_charp = va_arg(arg, char **);
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369 | if(param_charp)
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370 | result = getinfo_char(data, info, param_charp);
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371 | break;
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372 | case CURLINFO_LONG:
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373 | param_longp = va_arg(arg, long *);
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374 | if(param_longp)
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375 | result = getinfo_long(data, info, param_longp);
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376 | break;
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377 | case CURLINFO_DOUBLE:
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378 | param_doublep = va_arg(arg, double *);
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379 | if(param_doublep)
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380 | result = getinfo_double(data, info, param_doublep);
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381 | break;
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382 | case CURLINFO_SLIST:
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383 | param_slistp = va_arg(arg, struct curl_slist **);
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384 | if(param_slistp)
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385 | result = getinfo_slist(data, info, param_slistp);
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386 | break;
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387 | case CURLINFO_SOCKET:
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388 | param_socketp = va_arg(arg, curl_socket_t *);
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389 | if(param_socketp)
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390 | result = getinfo_socket(data, info, param_socketp);
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391 | break;
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392 | default:
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393 | break;
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394 | }
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395 |
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396 | va_end(arg);
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397 |
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398 | return result;
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399 | }
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