/src/PROJ/curl/lib/getinfo.c

Source (jump to first uncovered line)
/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution. The terms
 * are also available at https://curl.se/docs/copyright.html.
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the COPYING file.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 * SPDX-License-Identifier: curl
 *
 ***************************************************************************/

#include "curl_setup.h"

#include <curl/curl.h>

#include "urldata.h"
#include "getinfo.h"
#include "cfilters.h"
#include "vtls/vtls.h"
#include "connect.h" /* Curl_getconnectinfo() */
#include "progress.h"
#include "curlx/strparse.h"

/* The last #include files should be: */
#include "curl_memory.h"
#include "memdebug.h"

/*
 * Initialize statistical and informational data.
 *
 * This function is called in curl_easy_reset, curl_easy_duphandle and at the
 * beginning of a perform session. It must reset the session-info variables,
 * in particular all variables in struct PureInfo.
 */
CURLcode Curl_initinfo(struct Curl_easy *data)
{
  struct Progress *pro = &data->progress;
  struct PureInfo *info = &data->info;

  pro->t_nslookup = 0;
  pro->t_connect = 0;
  pro->t_appconnect = 0;
  pro->t_pretransfer = 0;
  pro->t_posttransfer = 0;
  pro->t_starttransfer = 0;
  pro->timespent = 0;
  pro->t_redirect = 0;
  pro->is_t_startransfer_set = FALSE;

  info->httpcode = 0;
  info->httpproxycode = 0;
  info->httpversion = 0;
  info->filetime = -1; /* -1 is an illegal time and thus means unknown */
  info->timecond = FALSE;

  info->header_size = 0;
  info->request_size = 0;
  info->proxyauthavail = 0;
  info->httpauthavail = 0;
  info->proxyauthpicked = 0;
  info->httpauthpicked = 0;
  info->numconnects = 0;

  free(info->contenttype);
  info->contenttype = NULL;

  free(info->wouldredirect);
  info->wouldredirect = NULL;

  memset(&info->primary, 0, sizeof(info->primary));
  info->primary.remote_port = -1;
  info->primary.local_port = -1;
  info->retry_after = 0;

  info->conn_scheme = 0;
  info->conn_protocol = 0;

#ifdef USE_SSL
  Curl_ssl_free_certinfo(data);
#endif
  return CURLE_OK;
}

static CURLcode getinfo_char(struct Curl_easy *data, CURLINFO info,
                             const char **param_charp)
{
  switch(info) {
  case CURLINFO_EFFECTIVE_URL:
    *param_charp = data->state.url ? data->state.url : "";
    break;
  case CURLINFO_EFFECTIVE_METHOD: {
    const char *m = data->set.str[STRING_CUSTOMREQUEST];
    if(!m) {
      if(data->set.opt_no_body)
        m = "HEAD";
#ifndef CURL_DISABLE_HTTP
      else {
        switch(data->state.httpreq) {
        case HTTPREQ_POST:
        case HTTPREQ_POST_FORM:
        case HTTPREQ_POST_MIME:
          m = "POST";
          break;
        case HTTPREQ_PUT:
          m = "PUT";
          break;
        default: /* this should never happen */
        case HTTPREQ_GET:
          m = "GET";
          break;
        case HTTPREQ_HEAD:
          m = "HEAD";
          break;
        }
      }
#endif
    }
    *param_charp = m;
  }
    break;
  case CURLINFO_CONTENT_TYPE:
    *param_charp = data->info.contenttype;
    break;
  case CURLINFO_PRIVATE:
    *param_charp = (char *) data->set.private_data;
    break;
  case CURLINFO_FTP_ENTRY_PATH:
    /* Return the entrypath string from the most recent connection.
       This pointer was copied from the connectdata structure by FTP.
       The actual string may be free()ed by subsequent libcurl calls so
       it must be copied to a safer area before the next libcurl call.
       Callers must never free it themselves. */
    *param_charp = data->state.most_recent_ftp_entrypath;
    break;
  case CURLINFO_REDIRECT_URL:
    /* Return the URL this request would have been redirected to if that
       option had been enabled! */
    *param_charp = data->info.wouldredirect;
    break;
  case CURLINFO_REFERER:
    /* Return the referrer header for this request, or NULL if unset */
    *param_charp = data->state.referer;
    break;
  case CURLINFO_PRIMARY_IP:
    /* Return the ip address of the most recent (primary) connection */
    *param_charp = data->info.primary.remote_ip;
    break;
  case CURLINFO_LOCAL_IP:
    /* Return the source/local ip address of the most recent (primary)
       connection */
    *param_charp = data->info.primary.local_ip;
    break;
  case CURLINFO_RTSP_SESSION_ID:
#ifndef CURL_DISABLE_RTSP
    *param_charp = data->set.str[STRING_RTSP_SESSION_ID];
#else
    *param_charp = NULL;
#endif
    break;
  case CURLINFO_SCHEME:
    *param_charp = data->info.conn_scheme;
    break;
  case CURLINFO_CAPATH:
#ifdef CURL_CA_PATH
    *param_charp = CURL_CA_PATH;
#else
    *param_charp = NULL;
#endif
    break;
  case CURLINFO_CAINFO:
#ifdef CURL_CA_BUNDLE
    *param_charp = CURL_CA_BUNDLE;
#else
    *param_charp = NULL;
#endif
    break;
  default:
    return CURLE_UNKNOWN_OPTION;
  }

  return CURLE_OK;
}

static CURLcode getinfo_long(struct Curl_easy *data, CURLINFO info,
                             long *param_longp)
{
  curl_socket_t sockfd;

  union {
    unsigned long *to_ulong;
    long          *to_long;
  } lptr;

#ifdef DEBUGBUILD
  const char *timestr = getenv("CURL_TIME");
  if(timestr) {
    curl_off_t val;
    curlx_str_number(&timestr, &val, TIME_T_MAX);
    switch(info) {
    case CURLINFO_LOCAL_PORT:
      *param_longp = (long)val;
      return CURLE_OK;
    default:
      break;
    }
  }
  /* use another variable for this to allow different values */
  timestr = getenv("CURL_DEBUG_SIZE");
  if(timestr) {
    curl_off_t val;
    curlx_str_number(&timestr, &val, LONG_MAX);
    switch(info) {
    case CURLINFO_HEADER_SIZE:
    case CURLINFO_REQUEST_SIZE:
      *param_longp = (long)val;
      return CURLE_OK;
    default:
      break;
    }
  }
#endif

  switch(info) {
  case CURLINFO_RESPONSE_CODE:
    *param_longp = data->info.httpcode;
    break;
  case CURLINFO_HTTP_CONNECTCODE:
    *param_longp = data->info.httpproxycode;
    break;
  case CURLINFO_FILETIME:
    if(data->info.filetime > LONG_MAX)
      *param_longp = LONG_MAX;
#if !defined(MSDOS) && !defined(__AMIGA__)
    else if(data->info.filetime < LONG_MIN)
      *param_longp = LONG_MIN;
#endif
    else
      *param_longp = (long)data->info.filetime;
    break;
  case CURLINFO_HEADER_SIZE:
    *param_longp = (long)data->info.header_size;
    break;
  case CURLINFO_REQUEST_SIZE:
    *param_longp = (long)data->info.request_size;
    break;
  case CURLINFO_SSL_VERIFYRESULT:
    *param_longp = data->set.ssl.certverifyresult;
    break;
  case CURLINFO_PROXY_SSL_VERIFYRESULT:
#ifndef CURL_DISABLE_PROXY
    *param_longp = data->set.proxy_ssl.certverifyresult;
#else
    *param_longp = 0;
#endif
    break;
  case CURLINFO_REDIRECT_COUNT:
    *param_longp = data->state.followlocation;
    break;
  case CURLINFO_HTTPAUTH_AVAIL:
    lptr.to_long = param_longp;
    *lptr.to_ulong = data->info.httpauthavail;
    break;
  case CURLINFO_PROXYAUTH_AVAIL:
    lptr.to_long = param_longp;
    *lptr.to_ulong = data->info.proxyauthavail;
    break;
  case CURLINFO_HTTPAUTH_USED:
    lptr.to_long = param_longp;
    *lptr.to_ulong = data->info.httpauthpicked;
    break;
  case CURLINFO_PROXYAUTH_USED:
    lptr.to_long = param_longp;
    *lptr.to_ulong = data->info.proxyauthpicked;
    break;
  case CURLINFO_OS_ERRNO:
    *param_longp = data->state.os_errno;
    break;
  case CURLINFO_NUM_CONNECTS:
    *param_longp = data->info.numconnects;
    break;
  case CURLINFO_LASTSOCKET:
    sockfd = Curl_getconnectinfo(data, NULL);

    /* note: this is not a good conversion for systems with 64-bit sockets and
       32-bit longs */
    if(sockfd != CURL_SOCKET_BAD)
      *param_longp = (long)sockfd;
    else
      /* this interface is documented to return -1 in case of badness, which
         may not be the same as the CURL_SOCKET_BAD value */
      *param_longp = -1;
    break;
  case CURLINFO_PRIMARY_PORT:
    /* Return the (remote) port of the most recent (primary) connection */
    *param_longp = data->info.primary.remote_port;
    break;
  case CURLINFO_LOCAL_PORT:
    /* Return the local port of the most recent (primary) connection */
    *param_longp = data->info.primary.local_port;
    break;
  case CURLINFO_PROXY_ERROR:
    *param_longp = (long)data->info.pxcode;
    break;
  case CURLINFO_CONDITION_UNMET:
    if(data->info.httpcode == 304)
      *param_longp = 1L;
    else
      /* return if the condition prevented the document to get transferred */
      *param_longp = data->info.timecond ? 1L : 0L;
    break;
#ifndef CURL_DISABLE_RTSP
  case CURLINFO_RTSP_CLIENT_CSEQ:
    *param_longp = data->state.rtsp_next_client_CSeq;
    break;
  case CURLINFO_RTSP_SERVER_CSEQ:
    *param_longp = data->state.rtsp_next_server_CSeq;
    break;
  case CURLINFO_RTSP_CSEQ_RECV:
    *param_longp = data->state.rtsp_CSeq_recv;
    break;
#else
  case CURLINFO_RTSP_CLIENT_CSEQ:
  case CURLINFO_RTSP_SERVER_CSEQ:
  case CURLINFO_RTSP_CSEQ_RECV:
    *param_longp = 0;
    break;
#endif
  case CURLINFO_HTTP_VERSION:
    switch(data->info.httpversion) {
    case 10:
      *param_longp = CURL_HTTP_VERSION_1_0;
      break;
    case 11:
      *param_longp = CURL_HTTP_VERSION_1_1;
      break;
    case 20:
      *param_longp = CURL_HTTP_VERSION_2_0;
      break;
    case 30:
      *param_longp = CURL_HTTP_VERSION_3;
      break;
    default:
      *param_longp = CURL_HTTP_VERSION_NONE;
      break;
    }
    break;
  case CURLINFO_PROTOCOL:
    *param_longp = (long)data->info.conn_protocol;
    break;
  case CURLINFO_USED_PROXY:
    *param_longp =
#ifdef CURL_DISABLE_PROXY
      0
#else
      data->info.used_proxy
#endif
      ;
    break;
  default:
    return CURLE_UNKNOWN_OPTION;
  }

  return CURLE_OK;
}

#define DOUBLE_SECS(x) (double)(x)/1000000

static CURLcode getinfo_offt(struct Curl_easy *data, CURLINFO info,
                             curl_off_t *param_offt)
{
#ifdef DEBUGBUILD
  const char *timestr = getenv("CURL_TIME");
  if(timestr) {
    curl_off_t val;
    curlx_str_number(&timestr, &val, CURL_OFF_T_MAX);

    switch(info) {
    case CURLINFO_TOTAL_TIME_T:
    case CURLINFO_NAMELOOKUP_TIME_T:
    case CURLINFO_CONNECT_TIME_T:
    case CURLINFO_APPCONNECT_TIME_T:
    case CURLINFO_PRETRANSFER_TIME_T:
    case CURLINFO_POSTTRANSFER_TIME_T:
    case CURLINFO_QUEUE_TIME_T:
    case CURLINFO_STARTTRANSFER_TIME_T:
    case CURLINFO_REDIRECT_TIME_T:
    case CURLINFO_SPEED_DOWNLOAD_T:
    case CURLINFO_SPEED_UPLOAD_T:
      *param_offt = (curl_off_t)val;
      return CURLE_OK;
    default:
      break;
    }
  }
#endif
  switch(info) {
  case CURLINFO_FILETIME_T:
    *param_offt = (curl_off_t)data->info.filetime;
    break;
  case CURLINFO_SIZE_UPLOAD_T:
    *param_offt = data->progress.ul.cur_size;
    break;
  case CURLINFO_SIZE_DOWNLOAD_T:
    *param_offt = data->progress.dl.cur_size;
    break;
  case CURLINFO_SPEED_DOWNLOAD_T:
    *param_offt = data->progress.dl.speed;
    break;
  case CURLINFO_SPEED_UPLOAD_T:
    *param_offt = data->progress.ul.speed;
    break;
  case CURLINFO_CONTENT_LENGTH_DOWNLOAD_T:
    *param_offt = data->progress.dl_size_known ?
      data->progress.dl.total_size : -1;
    break;
  case CURLINFO_CONTENT_LENGTH_UPLOAD_T:
    *param_offt = data->progress.ul_size_known ?
      data->progress.ul.total_size : -1;
    break;
   case CURLINFO_TOTAL_TIME_T:
    *param_offt = data->progress.timespent;
    break;
  case CURLINFO_NAMELOOKUP_TIME_T:
    *param_offt = data->progress.t_nslookup;
    break;
  case CURLINFO_CONNECT_TIME_T:
    *param_offt = data->progress.t_connect;
    break;
  case CURLINFO_APPCONNECT_TIME_T:
    *param_offt = data->progress.t_appconnect;
    break;
  case CURLINFO_PRETRANSFER_TIME_T:
    *param_offt = data->progress.t_pretransfer;
    break;
  case CURLINFO_POSTTRANSFER_TIME_T:
    *param_offt = data->progress.t_posttransfer;
    break;
  case CURLINFO_STARTTRANSFER_TIME_T:
    *param_offt = data->progress.t_starttransfer;
    break;
  case CURLINFO_QUEUE_TIME_T:
    *param_offt = data->progress.t_postqueue;
    break;
  case CURLINFO_REDIRECT_TIME_T:
    *param_offt = data->progress.t_redirect;
    break;
  case CURLINFO_RETRY_AFTER:
    *param_offt = data->info.retry_after;
    break;
  case CURLINFO_XFER_ID:
    *param_offt = data->id;
    break;
  case CURLINFO_CONN_ID:
    *param_offt = data->conn ?
      data->conn->connection_id : data->state.recent_conn_id;
    break;
  case CURLINFO_EARLYDATA_SENT_T:
    *param_offt = data->progress.earlydata_sent;
    break;
  default:
    return CURLE_UNKNOWN_OPTION;
  }

  return CURLE_OK;
}

static CURLcode getinfo_double(struct Curl_easy *data, CURLINFO info,
                               double *param_doublep)
{
#ifdef DEBUGBUILD
  const char *timestr = getenv("CURL_TIME");
  if(timestr) {
    curl_off_t val;
    curlx_str_number(&timestr, &val, CURL_OFF_T_MAX);

    switch(info) {
    case CURLINFO_TOTAL_TIME:
    case CURLINFO_NAMELOOKUP_TIME:
    case CURLINFO_CONNECT_TIME:
    case CURLINFO_APPCONNECT_TIME:
    case CURLINFO_PRETRANSFER_TIME:
    case CURLINFO_STARTTRANSFER_TIME:
    case CURLINFO_REDIRECT_TIME:
    case CURLINFO_SPEED_DOWNLOAD:
    case CURLINFO_SPEED_UPLOAD:
      *param_doublep = (double)val;
      return CURLE_OK;
    default:
      break;
    }
  }
#endif
  switch(info) {
  case CURLINFO_TOTAL_TIME:
    *param_doublep = DOUBLE_SECS(data->progress.timespent);
    break;
  case CURLINFO_NAMELOOKUP_TIME:
    *param_doublep = DOUBLE_SECS(data->progress.t_nslookup);
    break;
  case CURLINFO_CONNECT_TIME:
    *param_doublep = DOUBLE_SECS(data->progress.t_connect);
    break;
  case CURLINFO_APPCONNECT_TIME:
    *param_doublep = DOUBLE_SECS(data->progress.t_appconnect);
    break;
  case CURLINFO_PRETRANSFER_TIME:
    *param_doublep = DOUBLE_SECS(data->progress.t_pretransfer);
    break;
  case CURLINFO_STARTTRANSFER_TIME:
    *param_doublep = DOUBLE_SECS(data->progress.t_starttransfer);
    break;
  case CURLINFO_SIZE_UPLOAD:
    *param_doublep = (double)data->progress.ul.cur_size;
    break;
  case CURLINFO_SIZE_DOWNLOAD:
    *param_doublep = (double)data->progress.dl.cur_size;
    break;
  case CURLINFO_SPEED_DOWNLOAD:
    *param_doublep = (double)data->progress.dl.speed;
    break;
  case CURLINFO_SPEED_UPLOAD:
    *param_doublep = (double)data->progress.ul.speed;
    break;
  case CURLINFO_CONTENT_LENGTH_DOWNLOAD:
    *param_doublep = data->progress.dl_size_known ?
      (double)data->progress.dl.total_size : -1;
    break;
  case CURLINFO_CONTENT_LENGTH_UPLOAD:
    *param_doublep = data->progress.ul_size_known ?
      (double)data->progress.ul.total_size : -1;
    break;
  case CURLINFO_REDIRECT_TIME:
    *param_doublep = DOUBLE_SECS(data->progress.t_redirect);
    break;

  default:
    return CURLE_UNKNOWN_OPTION;
  }

  return CURLE_OK;
}

static CURLcode getinfo_slist(struct Curl_easy *data, CURLINFO info,
                              struct curl_slist **param_slistp)
{
  union {
    struct curl_certinfo *to_certinfo;
    struct curl_slist    *to_slist;
  } ptr;

  switch(info) {
  case CURLINFO_SSL_ENGINES:
    *param_slistp = Curl_ssl_engines_list(data);
    break;
  case CURLINFO_COOKIELIST:
    *param_slistp = Curl_cookie_list(data);
    break;
  case CURLINFO_CERTINFO:
    /* Return the a pointer to the certinfo struct. Not really an slist
       pointer but we can pretend it is here */
    ptr.to_certinfo = &data->info.certs;
    *param_slistp = ptr.to_slist;
    break;
  case CURLINFO_TLS_SESSION:
  case CURLINFO_TLS_SSL_PTR:
    {
      struct curl_tlssessioninfo **tsip = (struct curl_tlssessioninfo **)
                                          param_slistp;
      struct curl_tlssessioninfo *tsi = &data->tsi;

      /* we are exposing a pointer to internal memory with unknown
       * lifetime here. */
      *tsip = tsi;
      if(!Curl_conn_get_ssl_info(data, data->conn, FIRSTSOCKET, tsi)) {
        tsi->backend = Curl_ssl_backend();
        tsi->internals = NULL;
      }
    }
    break;
  default:
    return CURLE_UNKNOWN_OPTION;
  }

  return CURLE_OK;
}

static CURLcode getinfo_socket(struct Curl_easy *data, CURLINFO info,
                               curl_socket_t *param_socketp)
{
  switch(info) {
  case CURLINFO_ACTIVESOCKET:
    *param_socketp = Curl_getconnectinfo(data, NULL);
    break;
  default:
    return CURLE_UNKNOWN_OPTION;
  }

  return CURLE_OK;
}

CURLcode Curl_getinfo(struct Curl_easy *data, CURLINFO info, ...)
{
  va_list arg;
  long *param_longp = NULL;
  double *param_doublep = NULL;
  curl_off_t *param_offt = NULL;
  const char **param_charp = NULL;
  struct curl_slist **param_slistp = NULL;
  curl_socket_t *param_socketp = NULL;
  int type;
  CURLcode result = CURLE_UNKNOWN_OPTION;

  if(!data)
    return CURLE_BAD_FUNCTION_ARGUMENT;

  va_start(arg, info);

  type = CURLINFO_TYPEMASK & (int)info;
  switch(type) {
  case CURLINFO_STRING:
    param_charp = va_arg(arg, const char **);
    if(param_charp)
      result = getinfo_char(data, info, param_charp);
    break;
  case CURLINFO_LONG:
    param_longp = va_arg(arg, long *);
    if(param_longp)
      result = getinfo_long(data, info, param_longp);
    break;
  case CURLINFO_DOUBLE:
    param_doublep = va_arg(arg, double *);
    if(param_doublep)
      result = getinfo_double(data, info, param_doublep);
    break;
  case CURLINFO_OFF_T:
    param_offt = va_arg(arg, curl_off_t *);
    if(param_offt)
      result = getinfo_offt(data, info, param_offt);
    break;
  case CURLINFO_SLIST:
    param_slistp = va_arg(arg, struct curl_slist **);
    if(param_slistp)
      result = getinfo_slist(data, info, param_slistp);
    break;
  case CURLINFO_SOCKET:
    param_socketp = va_arg(arg, curl_socket_t *);
    if(param_socketp)
      result = getinfo_socket(data, info, param_socketp);
    break;
  default:
    break;
  }

  va_end(arg);

  return result;
}

Coverage Report

Created: 2025-07-11 06:33

Line	Count	Source (jump to first uncovered line)
1		/***************************************************************************
2		* _ _ ____ _
3		* Project ___\| \| \| \| _ \\| \|
4		* / __\| \| \| \| \|_) \| \|
5		* \| (__\| \|_\| \| _ <\| \|___
6		* \___\|\___/\|_\| \_\_____\|
7		*
8		* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
9		*
10		* This software is licensed as described in the file COPYING, which
11		* you should have received as part of this distribution. The terms
12		* are also available at https://curl.se/docs/copyright.html.
13		*
14		* You may opt to use, copy, modify, merge, publish, distribute and/or sell
15		* copies of the Software, and permit persons to whom the Software is
16		* furnished to do so, under the terms of the COPYING file.
17		*
18		* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19		* KIND, either express or implied.
20		*
21		* SPDX-License-Identifier: curl
22		*
23		***************************************************************************/
24
25		#include "curl_setup.h"
26
27		#include <curl/curl.h>
28
29		#include "urldata.h"
30		#include "getinfo.h"
31		#include "cfilters.h"
32		#include "vtls/vtls.h"
33		#include "connect.h" /* Curl_getconnectinfo() */
34		#include "progress.h"
35		#include "curlx/strparse.h"
36
37		/* The last #include files should be: */
38		#include "curl_memory.h"
39		#include "memdebug.h"
40
41		/*
42		* Initialize statistical and informational data.
43		*
44		* This function is called in curl_easy_reset, curl_easy_duphandle and at the
45		* beginning of a perform session. It must reset the session-info variables,
46		* in particular all variables in struct PureInfo.
47		*/
48		CURLcode Curl_initinfo(struct Curl_easy *data)
49	0	{
50	0	struct Progress *pro = &data->progress;
51	0	struct PureInfo *info = &data->info;
52
53	0	pro->t_nslookup = 0;
54	0	pro->t_connect = 0;
55	0	pro->t_appconnect = 0;
56	0	pro->t_pretransfer = 0;
57	0	pro->t_posttransfer = 0;
58	0	pro->t_starttransfer = 0;
59	0	pro->timespent = 0;
60	0	pro->t_redirect = 0;
61	0	pro->is_t_startransfer_set = FALSE;
62
63	0	info->httpcode = 0;
64	0	info->httpproxycode = 0;
65	0	info->httpversion = 0;
66	0	info->filetime = -1; /* -1 is an illegal time and thus means unknown */
67	0	info->timecond = FALSE;
68
69	0	info->header_size = 0;
70	0	info->request_size = 0;
71	0	info->proxyauthavail = 0;
72	0	info->httpauthavail = 0;
73	0	info->proxyauthpicked = 0;
74	0	info->httpauthpicked = 0;
75	0	info->numconnects = 0;
76
77	0	free(info->contenttype);
78	0	info->contenttype = NULL;
79
80	0	free(info->wouldredirect);
81	0	info->wouldredirect = NULL;
82
83	0	memset(&info->primary, 0, sizeof(info->primary));
84	0	info->primary.remote_port = -1;
85	0	info->primary.local_port = -1;
86	0	info->retry_after = 0;
87
88	0	info->conn_scheme = 0;
89	0	info->conn_protocol = 0;
90
91	0	#ifdef USE_SSL
92	0	Curl_ssl_free_certinfo(data);
93	0	#endif
94	0	return CURLE_OK;
95	0	}
96
97		static CURLcode getinfo_char(struct Curl_easy *data, CURLINFO info,
98		const char **param_charp)
99	0	{
100	0	switch(info) {
101	0	case CURLINFO_EFFECTIVE_URL:
102	0	*param_charp = data->state.url ? data->state.url : "";
103	0	break;
104	0	case CURLINFO_EFFECTIVE_METHOD: {
105	0	const char *m = data->set.str[STRING_CUSTOMREQUEST];
106	0	if(!m) {
107	0	if(data->set.opt_no_body)
108	0	m = "HEAD";
109	0	#ifndef CURL_DISABLE_HTTP
110	0	else {
111	0	switch(data->state.httpreq) {
112	0	case HTTPREQ_POST:
113	0	case HTTPREQ_POST_FORM:
114	0	case HTTPREQ_POST_MIME:
115	0	m = "POST";
116	0	break;
117	0	case HTTPREQ_PUT:
118	0	m = "PUT";
119	0	break;
120	0	default: /* this should never happen */
121	0	case HTTPREQ_GET:
122	0	m = "GET";
123	0	break;
124	0	case HTTPREQ_HEAD:
125	0	m = "HEAD";
126	0	break;
127	0	}
128	0	}
129	0	#endif
130	0	}
131	0	*param_charp = m;
132	0	}
133	0	break;
134	0	case CURLINFO_CONTENT_TYPE:
135	0	*param_charp = data->info.contenttype;
136	0	break;
137	0	case CURLINFO_PRIVATE:
138	0	param_charp = (char ) data->set.private_data;
139	0	break;
140	0	case CURLINFO_FTP_ENTRY_PATH:
141		/* Return the entrypath string from the most recent connection.
142		This pointer was copied from the connectdata structure by FTP.
143		The actual string may be free()ed by subsequent libcurl calls so
144		it must be copied to a safer area before the next libcurl call.
145		Callers must never free it themselves. */
146	0	*param_charp = data->state.most_recent_ftp_entrypath;
147	0	break;
148	0	case CURLINFO_REDIRECT_URL:
149		/* Return the URL this request would have been redirected to if that
150		option had been enabled! */
151	0	*param_charp = data->info.wouldredirect;
152	0	break;
153	0	case CURLINFO_REFERER:
154		/* Return the referrer header for this request, or NULL if unset */
155	0	*param_charp = data->state.referer;
156	0	break;
157	0	case CURLINFO_PRIMARY_IP:
158		/* Return the ip address of the most recent (primary) connection */
159	0	*param_charp = data->info.primary.remote_ip;
160	0	break;
161	0	case CURLINFO_LOCAL_IP:
162		/* Return the source/local ip address of the most recent (primary)
163		connection */
164	0	*param_charp = data->info.primary.local_ip;
165	0	break;
166	0	case CURLINFO_RTSP_SESSION_ID:
167	0	#ifndef CURL_DISABLE_RTSP
168	0	*param_charp = data->set.str[STRING_RTSP_SESSION_ID];
169		#else
170		*param_charp = NULL;
171		#endif
172	0	break;
173	0	case CURLINFO_SCHEME:
174	0	*param_charp = data->info.conn_scheme;
175	0	break;
176	0	case CURLINFO_CAPATH:
177	0	#ifdef CURL_CA_PATH
178	0	*param_charp = CURL_CA_PATH;
179		#else
180		*param_charp = NULL;
181		#endif
182	0	break;
183	0	case CURLINFO_CAINFO:
184	0	#ifdef CURL_CA_BUNDLE
185	0	*param_charp = CURL_CA_BUNDLE;
186		#else
187		*param_charp = NULL;
188		#endif
189	0	break;
190	0	default:
191	0	return CURLE_UNKNOWN_OPTION;
192	0	}
193
194	0	return CURLE_OK;
195	0	}
196
197		static CURLcode getinfo_long(struct Curl_easy *data, CURLINFO info,
198		long *param_longp)
199	0	{
200	0	curl_socket_t sockfd;
201
202	0	union {
203	0	unsigned long *to_ulong;
204	0	long *to_long;
205	0	} lptr;
206
207		#ifdef DEBUGBUILD
208		const char *timestr = getenv("CURL_TIME");
209		if(timestr) {
210		curl_off_t val;
211		curlx_str_number(&timestr, &val, TIME_T_MAX);
212		switch(info) {
213		case CURLINFO_LOCAL_PORT:
214		*param_longp = (long)val;
215		return CURLE_OK;
216		default:
217		break;
218		}
219		}
220		/* use another variable for this to allow different values */
221		timestr = getenv("CURL_DEBUG_SIZE");
222		if(timestr) {
223		curl_off_t val;
224		curlx_str_number(&timestr, &val, LONG_MAX);
225		switch(info) {
226		case CURLINFO_HEADER_SIZE:
227		case CURLINFO_REQUEST_SIZE:
228		*param_longp = (long)val;
229		return CURLE_OK;
230		default:
231		break;
232		}
233		}
234		#endif
235
236	0	switch(info) {
237	0	case CURLINFO_RESPONSE_CODE:
238	0	*param_longp = data->info.httpcode;
239	0	break;
240	0	case CURLINFO_HTTP_CONNECTCODE:
241	0	*param_longp = data->info.httpproxycode;
242	0	break;
243	0	case CURLINFO_FILETIME:
244	0	if(data->info.filetime > LONG_MAX)
245	0	*param_longp = LONG_MAX;
246	0	#if !defined(MSDOS) && !defined(__AMIGA__)
247	0	else if(data->info.filetime < LONG_MIN)
248	0	*param_longp = LONG_MIN;
249	0	#endif
250	0	else
251	0	*param_longp = (long)data->info.filetime;
252	0	break;
253	0	case CURLINFO_HEADER_SIZE:
254	0	*param_longp = (long)data->info.header_size;
255	0	break;
256	0	case CURLINFO_REQUEST_SIZE:
257	0	*param_longp = (long)data->info.request_size;
258	0	break;
259	0	case CURLINFO_SSL_VERIFYRESULT:
260	0	*param_longp = data->set.ssl.certverifyresult;
261	0	break;
262	0	case CURLINFO_PROXY_SSL_VERIFYRESULT:
263	0	#ifndef CURL_DISABLE_PROXY
264	0	*param_longp = data->set.proxy_ssl.certverifyresult;
265		#else
266		*param_longp = 0;
267		#endif
268	0	break;
269	0	case CURLINFO_REDIRECT_COUNT:
270	0	*param_longp = data->state.followlocation;
271	0	break;
272	0	case CURLINFO_HTTPAUTH_AVAIL:
273	0	lptr.to_long = param_longp;
274	0	*lptr.to_ulong = data->info.httpauthavail;
275	0	break;
276	0	case CURLINFO_PROXYAUTH_AVAIL:
277	0	lptr.to_long = param_longp;
278	0	*lptr.to_ulong = data->info.proxyauthavail;
279	0	break;
280	0	case CURLINFO_HTTPAUTH_USED:
281	0	lptr.to_long = param_longp;
282	0	*lptr.to_ulong = data->info.httpauthpicked;
283	0	break;
284	0	case CURLINFO_PROXYAUTH_USED:
285	0	lptr.to_long = param_longp;
286	0	*lptr.to_ulong = data->info.proxyauthpicked;
287	0	break;
288	0	case CURLINFO_OS_ERRNO:
289	0	*param_longp = data->state.os_errno;
290	0	break;
291	0	case CURLINFO_NUM_CONNECTS:
292	0	*param_longp = data->info.numconnects;
293	0	break;
294	0	case CURLINFO_LASTSOCKET:
295	0	sockfd = Curl_getconnectinfo(data, NULL);
296
297		/* note: this is not a good conversion for systems with 64-bit sockets and
298		32-bit longs */
299	0	if(sockfd != CURL_SOCKET_BAD)
300	0	*param_longp = (long)sockfd;
301	0	else
302		/* this interface is documented to return -1 in case of badness, which
303		may not be the same as the CURL_SOCKET_BAD value */
304	0	*param_longp = -1;
305	0	break;
306	0	case CURLINFO_PRIMARY_PORT:
307		/* Return the (remote) port of the most recent (primary) connection */
308	0	*param_longp = data->info.primary.remote_port;
309	0	break;
310	0	case CURLINFO_LOCAL_PORT:
311		/* Return the local port of the most recent (primary) connection */
312	0	*param_longp = data->info.primary.local_port;
313	0	break;
314	0	case CURLINFO_PROXY_ERROR:
315	0	*param_longp = (long)data->info.pxcode;
316	0	break;
317	0	case CURLINFO_CONDITION_UNMET:
318	0	if(data->info.httpcode == 304)
319	0	*param_longp = 1L;
320	0	else
321		/* return if the condition prevented the document to get transferred */
322	0	*param_longp = data->info.timecond ? 1L : 0L;
323	0	break;
324	0	#ifndef CURL_DISABLE_RTSP
325	0	case CURLINFO_RTSP_CLIENT_CSEQ:
326	0	*param_longp = data->state.rtsp_next_client_CSeq;
327	0	break;
328	0	case CURLINFO_RTSP_SERVER_CSEQ:
329	0	*param_longp = data->state.rtsp_next_server_CSeq;
330	0	break;
331	0	case CURLINFO_RTSP_CSEQ_RECV:
332	0	*param_longp = data->state.rtsp_CSeq_recv;
333	0	break;
334		#else
335		case CURLINFO_RTSP_CLIENT_CSEQ:
336		case CURLINFO_RTSP_SERVER_CSEQ:
337		case CURLINFO_RTSP_CSEQ_RECV:
338		*param_longp = 0;
339		break;
340		#endif
341	0	case CURLINFO_HTTP_VERSION:
342	0	switch(data->info.httpversion) {
343	0	case 10:
344	0	*param_longp = CURL_HTTP_VERSION_1_0;
345	0	break;
346	0	case 11:
347	0	*param_longp = CURL_HTTP_VERSION_1_1;
348	0	break;
349	0	case 20:
350	0	*param_longp = CURL_HTTP_VERSION_2_0;
351	0	break;
352	0	case 30:
353	0	*param_longp = CURL_HTTP_VERSION_3;
354	0	break;
355	0	default:
356	0	*param_longp = CURL_HTTP_VERSION_NONE;
357	0	break;
358	0	}
359	0	break;
360	0	case CURLINFO_PROTOCOL:
361	0	*param_longp = (long)data->info.conn_protocol;
362	0	break;
363	0	case CURLINFO_USED_PROXY:
364	0	*param_longp =
365		#ifdef CURL_DISABLE_PROXY
366		0
367		#else
368	0	data->info.used_proxy
369	0	#endif
370	0	;
371	0	break;
372	0	default:
373	0	return CURLE_UNKNOWN_OPTION;
374	0	}
375
376	0	return CURLE_OK;
377	0	}
378
379	0	#define DOUBLE_SECS(x) (double)(x)/1000000
380
381		static CURLcode getinfo_offt(struct Curl_easy *data, CURLINFO info,
382		curl_off_t *param_offt)
383	0	{
384		#ifdef DEBUGBUILD
385		const char *timestr = getenv("CURL_TIME");
386		if(timestr) {
387		curl_off_t val;
388		curlx_str_number(&timestr, &val, CURL_OFF_T_MAX);
389
390		switch(info) {
391		case CURLINFO_TOTAL_TIME_T:
392		case CURLINFO_NAMELOOKUP_TIME_T:
393		case CURLINFO_CONNECT_TIME_T:
394		case CURLINFO_APPCONNECT_TIME_T:
395		case CURLINFO_PRETRANSFER_TIME_T:
396		case CURLINFO_POSTTRANSFER_TIME_T:
397		case CURLINFO_QUEUE_TIME_T:
398		case CURLINFO_STARTTRANSFER_TIME_T:
399		case CURLINFO_REDIRECT_TIME_T:
400		case CURLINFO_SPEED_DOWNLOAD_T:
401		case CURLINFO_SPEED_UPLOAD_T:
402		*param_offt = (curl_off_t)val;
403		return CURLE_OK;
404		default:
405		break;
406		}
407		}
408		#endif
409	0	switch(info) {
410	0	case CURLINFO_FILETIME_T:
411	0	*param_offt = (curl_off_t)data->info.filetime;
412	0	break;
413	0	case CURLINFO_SIZE_UPLOAD_T:
414	0	*param_offt = data->progress.ul.cur_size;
415	0	break;
416	0	case CURLINFO_SIZE_DOWNLOAD_T:
417	0	*param_offt = data->progress.dl.cur_size;
418	0	break;
419	0	case CURLINFO_SPEED_DOWNLOAD_T:
420	0	*param_offt = data->progress.dl.speed;
421	0	break;
422	0	case CURLINFO_SPEED_UPLOAD_T:
423	0	*param_offt = data->progress.ul.speed;
424	0	break;
425	0	case CURLINFO_CONTENT_LENGTH_DOWNLOAD_T:
426	0	*param_offt = data->progress.dl_size_known ?
427	0	data->progress.dl.total_size : -1;
428	0	break;
429	0	case CURLINFO_CONTENT_LENGTH_UPLOAD_T:
430	0	*param_offt = data->progress.ul_size_known ?
431	0	data->progress.ul.total_size : -1;
432	0	break;
433	0	case CURLINFO_TOTAL_TIME_T:
434	0	*param_offt = data->progress.timespent;
435	0	break;
436	0	case CURLINFO_NAMELOOKUP_TIME_T:
437	0	*param_offt = data->progress.t_nslookup;
438	0	break;
439	0	case CURLINFO_CONNECT_TIME_T:
440	0	*param_offt = data->progress.t_connect;
441	0	break;
442	0	case CURLINFO_APPCONNECT_TIME_T:
443	0	*param_offt = data->progress.t_appconnect;
444	0	break;
445	0	case CURLINFO_PRETRANSFER_TIME_T:
446	0	*param_offt = data->progress.t_pretransfer;
447	0	break;
448	0	case CURLINFO_POSTTRANSFER_TIME_T:
449	0	*param_offt = data->progress.t_posttransfer;
450	0	break;
451	0	case CURLINFO_STARTTRANSFER_TIME_T:
452	0	*param_offt = data->progress.t_starttransfer;
453	0	break;
454	0	case CURLINFO_QUEUE_TIME_T:
455	0	*param_offt = data->progress.t_postqueue;
456	0	break;
457	0	case CURLINFO_REDIRECT_TIME_T:
458	0	*param_offt = data->progress.t_redirect;
459	0	break;
460	0	case CURLINFO_RETRY_AFTER:
461	0	*param_offt = data->info.retry_after;
462	0	break;
463	0	case CURLINFO_XFER_ID:
464	0	*param_offt = data->id;
465	0	break;
466	0	case CURLINFO_CONN_ID:
467	0	*param_offt = data->conn ?
468	0	data->conn->connection_id : data->state.recent_conn_id;
469	0	break;
470	0	case CURLINFO_EARLYDATA_SENT_T:
471	0	*param_offt = data->progress.earlydata_sent;
472	0	break;
473	0	default:
474	0	return CURLE_UNKNOWN_OPTION;
475	0	}
476
477	0	return CURLE_OK;
478	0	}
479
480		static CURLcode getinfo_double(struct Curl_easy *data, CURLINFO info,
481		double *param_doublep)
482	0	{
483		#ifdef DEBUGBUILD
484		const char *timestr = getenv("CURL_TIME");
485		if(timestr) {
486		curl_off_t val;
487		curlx_str_number(&timestr, &val, CURL_OFF_T_MAX);
488
489		switch(info) {
490		case CURLINFO_TOTAL_TIME:
491		case CURLINFO_NAMELOOKUP_TIME:
492		case CURLINFO_CONNECT_TIME:
493		case CURLINFO_APPCONNECT_TIME:
494		case CURLINFO_PRETRANSFER_TIME:
495		case CURLINFO_STARTTRANSFER_TIME:
496		case CURLINFO_REDIRECT_TIME:
497		case CURLINFO_SPEED_DOWNLOAD:
498		case CURLINFO_SPEED_UPLOAD:
499		*param_doublep = (double)val;
500		return CURLE_OK;
501		default:
502		break;
503		}
504		}
505		#endif
506	0	switch(info) {
507	0	case CURLINFO_TOTAL_TIME:
508	0	*param_doublep = DOUBLE_SECS(data->progress.timespent);
509	0	break;
510	0	case CURLINFO_NAMELOOKUP_TIME:
511	0	*param_doublep = DOUBLE_SECS(data->progress.t_nslookup);
512	0	break;
513	0	case CURLINFO_CONNECT_TIME:
514	0	*param_doublep = DOUBLE_SECS(data->progress.t_connect);
515	0	break;
516	0	case CURLINFO_APPCONNECT_TIME:
517	0	*param_doublep = DOUBLE_SECS(data->progress.t_appconnect);
518	0	break;
519	0	case CURLINFO_PRETRANSFER_TIME:
520	0	*param_doublep = DOUBLE_SECS(data->progress.t_pretransfer);
521	0	break;
522	0	case CURLINFO_STARTTRANSFER_TIME:
523	0	*param_doublep = DOUBLE_SECS(data->progress.t_starttransfer);
524	0	break;
525	0	case CURLINFO_SIZE_UPLOAD:
526	0	*param_doublep = (double)data->progress.ul.cur_size;
527	0	break;
528	0	case CURLINFO_SIZE_DOWNLOAD:
529	0	*param_doublep = (double)data->progress.dl.cur_size;
530	0	break;
531	0	case CURLINFO_SPEED_DOWNLOAD:
532	0	*param_doublep = (double)data->progress.dl.speed;
533	0	break;
534	0	case CURLINFO_SPEED_UPLOAD:
535	0	*param_doublep = (double)data->progress.ul.speed;
536	0	break;
537	0	case CURLINFO_CONTENT_LENGTH_DOWNLOAD:
538	0	*param_doublep = data->progress.dl_size_known ?
539	0	(double)data->progress.dl.total_size : -1;
540	0	break;
541	0	case CURLINFO_CONTENT_LENGTH_UPLOAD:
542	0	*param_doublep = data->progress.ul_size_known ?
543	0	(double)data->progress.ul.total_size : -1;
544	0	break;
545	0	case CURLINFO_REDIRECT_TIME:
546	0	*param_doublep = DOUBLE_SECS(data->progress.t_redirect);
547	0	break;
548
549	0	default:
550	0	return CURLE_UNKNOWN_OPTION;
551	0	}
552
553	0	return CURLE_OK;
554	0	}
555
556		static CURLcode getinfo_slist(struct Curl_easy *data, CURLINFO info,
557		struct curl_slist **param_slistp)
558	0	{
559	0	union {
560	0	struct curl_certinfo *to_certinfo;
561	0	struct curl_slist *to_slist;
562	0	} ptr;
563
564	0	switch(info) {
565	0	case CURLINFO_SSL_ENGINES:
566	0	*param_slistp = Curl_ssl_engines_list(data);
567	0	break;
568	0	case CURLINFO_COOKIELIST:
569	0	*param_slistp = Curl_cookie_list(data);
570	0	break;
571	0	case CURLINFO_CERTINFO:
572		/* Return the a pointer to the certinfo struct. Not really an slist
573		pointer but we can pretend it is here */
574	0	ptr.to_certinfo = &data->info.certs;
575	0	*param_slistp = ptr.to_slist;
576	0	break;
577	0	case CURLINFO_TLS_SESSION:
578	0	case CURLINFO_TLS_SSL_PTR:
579	0	{
580	0	struct curl_tlssessioninfo tsip = (struct curl_tlssessioninfo )
581	0	param_slistp;
582	0	struct curl_tlssessioninfo *tsi = &data->tsi;
583
584		/* we are exposing a pointer to internal memory with unknown
585		* lifetime here. */
586	0	*tsip = tsi;
587	0	if(!Curl_conn_get_ssl_info(data, data->conn, FIRSTSOCKET, tsi)) {
588	0	tsi->backend = Curl_ssl_backend();
589	0	tsi->internals = NULL;
590	0	}
591	0	}
592	0	break;
593	0	default:
594	0	return CURLE_UNKNOWN_OPTION;
595	0	}
596
597	0	return CURLE_OK;
598	0	}
599
600		static CURLcode getinfo_socket(struct Curl_easy *data, CURLINFO info,
601		curl_socket_t *param_socketp)
602	0	{
603	0	switch(info) {
604	0	case CURLINFO_ACTIVESOCKET:
605	0	*param_socketp = Curl_getconnectinfo(data, NULL);
606	0	break;
607	0	default:
608	0	return CURLE_UNKNOWN_OPTION;
609	0	}
610
611	0	return CURLE_OK;
612	0	}
613
614		CURLcode Curl_getinfo(struct Curl_easy *data, CURLINFO info, ...)
615	0	{
616	0	va_list arg;
617	0	long *param_longp = NULL;
618	0	double *param_doublep = NULL;
619	0	curl_off_t *param_offt = NULL;
620	0	const char **param_charp = NULL;
621	0	struct curl_slist **param_slistp = NULL;
622	0	curl_socket_t *param_socketp = NULL;
623	0	int type;
624	0	CURLcode result = CURLE_UNKNOWN_OPTION;
625
626	0	if(!data)
627	0	return CURLE_BAD_FUNCTION_ARGUMENT;
628
629	0	va_start(arg, info);
630
631	0	type = CURLINFO_TYPEMASK & (int)info;
632	0	switch(type) {
633	0	case CURLINFO_STRING:
634	0	param_charp = va_arg(arg, const char **);
635	0	if(param_charp)
636	0	result = getinfo_char(data, info, param_charp);
637	0	break;
638	0	case CURLINFO_LONG:
639	0	param_longp = va_arg(arg, long *);
640	0	if(param_longp)
641	0	result = getinfo_long(data, info, param_longp);
642	0	break;
643	0	case CURLINFO_DOUBLE:
644	0	param_doublep = va_arg(arg, double *);
645	0	if(param_doublep)
646	0	result = getinfo_double(data, info, param_doublep);
647	0	break;
648	0	case CURLINFO_OFF_T:
649	0	param_offt = va_arg(arg, curl_off_t *);
650	0	if(param_offt)
651	0	result = getinfo_offt(data, info, param_offt);
652	0	break;
653	0	case CURLINFO_SLIST:
654	0	param_slistp = va_arg(arg, struct curl_slist **);
655	0	if(param_slistp)
656	0	result = getinfo_slist(data, info, param_slistp);
657	0	break;
658	0	case CURLINFO_SOCKET:
659	0	param_socketp = va_arg(arg, curl_socket_t *);
660	0	if(param_socketp)
661	0	result = getinfo_socket(data, info, param_socketp);
662	0	break;
663	0	default:
664	0	break;
665	0	}
666
667	0	va_end(arg);
668
669	0	return result;
670	0	}