static CURLcode easy_connection(struct SessionHandle *data,
curl_socket_t *sfd,
struct connectdata **connp)
{
CURLcode ret;
long sockfd;
if(data == NULL)
return CURLE_BAD_FUNCTION_ARGUMENT;
/* only allow these to be called on handles with CURLOPT_CONNECT_ONLY */
if(!data->set.connect_only) {
failf(data, "CONNECT_ONLY is required!");
return CURLE_UNSUPPORTED_PROTOCOL;
}
ret = Curl_getconnectinfo(data, &sockfd, connp);
if(ret != CURLE_OK)
return ret;
if(sockfd == -1) {
failf(data, "Failed to get recent socket");
return CURLE_UNSUPPORTED_PROTOCOL;
}
*sfd = (curl_socket_t)sockfd; /* we know that this is actually a socket
descriptor so the typecast is fine here */
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;
}
static CURLcode easy_connection(struct Curl_easy *data,
curl_socket_t *sfd,
struct connectdata **connp)
{
if(data == NULL)
return CURLE_BAD_FUNCTION_ARGUMENT;
/* only allow these to be called on handles with CURLOPT_CONNECT_ONLY */
if(!data->set.connect_only) {
failf(data, "CONNECT_ONLY is required!");
return CURLE_UNSUPPORTED_PROTOCOL;
}
*sfd = Curl_getconnectinfo(data, connp);
if(*sfd == CURL_SOCKET_BAD) {
failf(data, "Failed to get recent socket");
return CURLE_UNSUPPORTED_PROTOCOL;
}
return CURLE_OK;
}
/*
* The server may send us RTP data at any point, and RTSPREQ_RECEIVE does not
* want to block the application forever while receiving a stream. Therefore,
* we cannot assume that an RTSP socket is dead just because it is readable.
*
* Instead, if it is readable, run Curl_getconnectinfo() to peek at the socket
* and distinguish between closed and data.
*/
bool Curl_rtsp_connisdead(struct connectdata *check)
{
int sval;
bool ret_val = TRUE;
sval = Curl_socket_ready(check->sock[FIRSTSOCKET], CURL_SOCKET_BAD, 0);
if(sval == 0) {
/* timeout */
ret_val = FALSE;
}
else if(sval & CURL_CSELECT_ERR) {
/* socket is in an error state */
ret_val = TRUE;
}
else if((sval & CURL_CSELECT_IN) && check->data) {
/* readable with no error. could be closed or could be alive but we can
only check if we have a proper SessionHandle for the connection */
curl_socket_t connectinfo = Curl_getconnectinfo(check->data, &check);
if(connectinfo != CURL_SOCKET_BAD)
ret_val = FALSE;
}
return ret_val;
}
CURLcode Curl_getinfo(struct SessionHandle *data, CURLINFO info, ...)
{
va_list arg;
long *param_longp=NULL;
double *param_doublep=NULL;
char **param_charp=NULL;
struct curl_slist **param_slistp=NULL;
int type;
union {
struct curl_certinfo * to_certinfo;
struct curl_slist * to_slist;
} ptr;
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, char **);
if(NULL == param_charp)
return CURLE_BAD_FUNCTION_ARGUMENT;
break;
case CURLINFO_LONG:
param_longp = va_arg(arg, long *);
if(NULL == param_longp)
return CURLE_BAD_FUNCTION_ARGUMENT;
break;
case CURLINFO_DOUBLE:
param_doublep = va_arg(arg, double *);
if(NULL == param_doublep)
return CURLE_BAD_FUNCTION_ARGUMENT;
break;
case CURLINFO_SLIST:
param_slistp = va_arg(arg, struct curl_slist **);
if(NULL == param_slistp)
return CURLE_BAD_FUNCTION_ARGUMENT;
break;
default:
return CURLE_BAD_FUNCTION_ARGUMENT;
}
switch(info) {
case CURLINFO_EFFECTIVE_URL:
*param_charp = data->change.url?data->change.url:(char *)"";
break;
case CURLINFO_RESPONSE_CODE:
*param_longp = data->info.httpcode;
break;
case CURLINFO_HTTP_CONNECTCODE:
*param_longp = data->info.httpproxycode;
break;
case CURLINFO_FILETIME:
*param_longp = data->info.filetime;
break;
case CURLINFO_HEADER_SIZE:
*param_longp = data->info.header_size;
break;
case CURLINFO_REQUEST_SIZE:
*param_longp = data->info.request_size;
break;
case CURLINFO_TOTAL_TIME:
*param_doublep = data->progress.timespent;
break;
case CURLINFO_NAMELOOKUP_TIME:
*param_doublep = data->progress.t_nslookup;
break;
case CURLINFO_CONNECT_TIME:
*param_doublep = data->progress.t_connect;
break;
case CURLINFO_APPCONNECT_TIME:
*param_doublep = data->progress.t_appconnect;
break;
case CURLINFO_PRETRANSFER_TIME:
*param_doublep = data->progress.t_pretransfer;
break;
case CURLINFO_STARTTRANSFER_TIME:
*param_doublep = data->progress.t_starttransfer;
break;
case CURLINFO_SIZE_UPLOAD:
*param_doublep = (double)data->progress.uploaded;
break;
case CURLINFO_SIZE_DOWNLOAD:
*param_doublep = (double)data->progress.downloaded;
break;
case CURLINFO_SPEED_DOWNLOAD:
*param_doublep = (double)data->progress.dlspeed;
break;
case CURLINFO_SPEED_UPLOAD:
*param_doublep = (double)data->progress.ulspeed;
break;
case CURLINFO_SSL_VERIFYRESULT:
*param_longp = data->set.ssl.certverifyresult;
break;
case CURLINFO_CONTENT_LENGTH_DOWNLOAD:
*param_doublep = (data->progress.flags & PGRS_DL_SIZE_KNOWN)?
(double)data->progress.size_dl:-1;
break;
case CURLINFO_CONTENT_LENGTH_UPLOAD:
*param_doublep = (data->progress.flags & PGRS_UL_SIZE_KNOWN)?
(double)data->progress.size_ul:-1;
break;
case CURLINFO_REDIRECT_TIME:
*param_doublep = data->progress.t_redirect;
break;
case CURLINFO_REDIRECT_COUNT:
*param_longp = data->set.followlocation;
break;
case CURLINFO_CONTENT_TYPE:
*param_charp = data->info.contenttype;
break;
case CURLINFO_PRIVATE:
*param_charp = (char *) data->set.private_data;
break;
case CURLINFO_HTTPAUTH_AVAIL:
*param_longp = data->info.httpauthavail;
break;
case CURLINFO_PROXYAUTH_AVAIL:
*param_longp = data->info.proxyauthavail;
break;
case CURLINFO_OS_ERRNO:
*param_longp = data->state.os_errno;
break;
case CURLINFO_NUM_CONNECTS:
*param_longp = data->info.numconnects;
break;
case CURLINFO_SSL_ENGINES:
*param_slistp = Curl_ssl_engines_list(data);
break;
case CURLINFO_COOKIELIST:
*param_slistp = Curl_cookie_list(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_LASTSOCKET:
(void)Curl_getconnectinfo(data, param_longp, NULL);
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_PRIMARY_IP:
/* Return the ip address of the most recent (primary) connection */
*param_charp = data->info.ip;
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_CONDITION_UNMET:
/* return if the condition prevented the document to get transfered */
*param_longp = data->info.timecond;
break;
case CURLINFO_RTSP_SESSION_ID:
*param_charp = data->set.str[STRING_RTSP_SESSION_ID];
break;
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;
default:
return CURLE_BAD_FUNCTION_ARGUMENT;
}
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;
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:
*param_longp = data->info.filetime;
break;
case CURLINFO_HEADER_SIZE:
*param_longp = data->info.header_size;
break;
case CURLINFO_REQUEST_SIZE:
*param_longp = data->info.request_size;
break;
case CURLINFO_SSL_VERIFYRESULT:
*param_longp = data->set.ssl.certverifyresult;
break;
case CURLINFO_PROXY_SSL_VERIFYRESULT:
*param_longp = data->set.proxy_ssl.certverifyresult;
break;
case CURLINFO_REDIRECT_COUNT:
*param_longp = data->set.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_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.conn_primary_port;
break;
case CURLINFO_LOCAL_PORT:
/* Return the local port of the most recent (primary) connection */
*param_longp = data->info.conn_local_port;
break;
case CURLINFO_CONDITION_UNMET:
/* return if the condition prevented the document to get transferred */
*param_longp = data->info.timecond ? 1L : 0L;
break;
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;
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;
default:
*param_longp = CURL_HTTP_VERSION_NONE;
break;
}
break;
case CURLINFO_PROTOCOL:
*param_longp = data->info.conn_protocol;
break;
default:
return CURLE_UNKNOWN_OPTION;
}
return CURLE_OK;
}
