[164] | 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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