Sweden-Number/dlls/winhttp/net.c

331 lines
9.3 KiB
C

/*
* Copyright 2008 Hans Leidekker for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include "wine/debug.h"
#include <stdarg.h>
#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#ifdef HAVE_SYS_FILIO_H
# include <sys/filio.h>
#endif
#ifdef HAVE_POLL_H
# include <poll.h>
#endif
#include "windef.h"
#include "winbase.h"
#include "winhttp.h"
/* to avoid conflicts with the Unix socket headers */
#define USE_WS_PREFIX
#include "winsock2.h"
#include "winhttp_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(winhttp);
#define DEFAULT_SEND_TIMEOUT 30
#define DEFAULT_RECEIVE_TIMEOUT 30
#ifndef HAVE_GETADDRINFO
/* critical section to protect non-reentrant gethostbyname() */
static CRITICAL_SECTION cs_gethostbyname;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &cs_gethostbyname,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": cs_gethostbyname") }
};
static CRITICAL_SECTION cs_gethostbyname = { &critsect_debug, -1, 0, 0, 0, 0 };
#endif
/* translate a unix error code into a winsock error code */
static int sock_get_error( int err )
{
switch (err)
{
case EINTR: return WSAEINTR;
case EBADF: return WSAEBADF;
case EPERM:
case EACCES: return WSAEACCES;
case EFAULT: return WSAEFAULT;
case EINVAL: return WSAEINVAL;
case EMFILE: return WSAEMFILE;
case EWOULDBLOCK: return WSAEWOULDBLOCK;
case EINPROGRESS: return WSAEINPROGRESS;
case EALREADY: return WSAEALREADY;
case ENOTSOCK: return WSAENOTSOCK;
case EDESTADDRREQ: return WSAEDESTADDRREQ;
case EMSGSIZE: return WSAEMSGSIZE;
case EPROTOTYPE: return WSAEPROTOTYPE;
case ENOPROTOOPT: return WSAENOPROTOOPT;
case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT;
case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT;
case EOPNOTSUPP: return WSAEOPNOTSUPP;
case EPFNOSUPPORT: return WSAEPFNOSUPPORT;
case EAFNOSUPPORT: return WSAEAFNOSUPPORT;
case EADDRINUSE: return WSAEADDRINUSE;
case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL;
case ENETDOWN: return WSAENETDOWN;
case ENETUNREACH: return WSAENETUNREACH;
case ENETRESET: return WSAENETRESET;
case ECONNABORTED: return WSAECONNABORTED;
case EPIPE:
case ECONNRESET: return WSAECONNRESET;
case ENOBUFS: return WSAENOBUFS;
case EISCONN: return WSAEISCONN;
case ENOTCONN: return WSAENOTCONN;
case ESHUTDOWN: return WSAESHUTDOWN;
case ETOOMANYREFS: return WSAETOOMANYREFS;
case ETIMEDOUT: return WSAETIMEDOUT;
case ECONNREFUSED: return WSAECONNREFUSED;
case ELOOP: return WSAELOOP;
case ENAMETOOLONG: return WSAENAMETOOLONG;
case EHOSTDOWN: return WSAEHOSTDOWN;
case EHOSTUNREACH: return WSAEHOSTUNREACH;
case ENOTEMPTY: return WSAENOTEMPTY;
#ifdef EPROCLIM
case EPROCLIM: return WSAEPROCLIM;
#endif
#ifdef EUSERS
case EUSERS: return WSAEUSERS;
#endif
#ifdef EDQUOT
case EDQUOT: return WSAEDQUOT;
#endif
#ifdef ESTALE
case ESTALE: return WSAESTALE;
#endif
#ifdef EREMOTE
case EREMOTE: return WSAEREMOTE;
#endif
default: errno = err; perror( "sock_set_error" ); return WSAEFAULT;
}
return err;
}
BOOL netconn_init( netconn_t *conn )
{
conn->socket = -1;
return TRUE;
}
BOOL netconn_connected( netconn_t *conn )
{
return (conn->socket != -1);
}
BOOL netconn_create( netconn_t *conn, int domain, int type, int protocol )
{
if ((conn->socket = socket( domain, type, protocol )) == -1)
{
WARN("unable to create socket (%s)\n", strerror(errno));
set_last_error( sock_get_error( errno ) );
return FALSE;
}
return TRUE;
}
BOOL netconn_close( netconn_t *conn )
{
int res;
res = close( conn->socket );
conn->socket = -1;
if (res == -1)
{
set_last_error( sock_get_error( errno ) );
return FALSE;
}
return TRUE;
}
BOOL netconn_connect( netconn_t *conn, const struct sockaddr *sockaddr, unsigned int addr_len )
{
if (connect( conn->socket, sockaddr, addr_len ) == -1)
{
WARN("unable to connect to host (%s)\n", strerror(errno));
set_last_error( sock_get_error( errno ) );
return FALSE;
}
return TRUE;
}
BOOL netconn_send( netconn_t *conn, const void *msg, size_t len, int flags, int *sent )
{
if (!netconn_connected( conn )) return FALSE;
if ((*sent = send( conn->socket, msg, len, flags )) == -1)
{
set_last_error( sock_get_error( errno ) );
return FALSE;
}
return TRUE;
}
BOOL netconn_recv( netconn_t *conn, void *buf, size_t len, int flags, int *recvd )
{
*recvd = 0;
if (!netconn_connected( conn )) return FALSE;
if (!len) return TRUE;
if ((*recvd = recv( conn->socket, buf, len, flags )) == -1)
{
set_last_error( sock_get_error( errno ) );
return FALSE;
}
return TRUE;
}
BOOL netconn_query_data_available( netconn_t *conn, DWORD *available )
{
#ifdef FIONREAD
int ret, unread;
#endif
*available = 0;
if (!netconn_connected( conn )) return FALSE;
#ifdef FIONREAD
if (!(ret = ioctl( conn->socket, FIONREAD, &unread )))
{
TRACE("%d bytes of queued, but unread data\n", unread);
*available += unread;
}
#endif
return TRUE;
}
BOOL netconn_get_next_line( netconn_t *conn, char *buffer, DWORD *buflen )
{
struct pollfd pfd;
BOOL ret = FALSE;
DWORD recvd = 0;
if (!netconn_connected( conn )) return FALSE;
pfd.fd = conn->socket;
pfd.events = POLLIN;
while (recvd < *buflen)
{
if (poll( &pfd, 1, DEFAULT_RECEIVE_TIMEOUT * 1000 ) > 0)
{
if (recv( conn->socket, &buffer[recvd], 1, 0 ) <= 0)
{
set_last_error( sock_get_error( errno ) );
break;
}
if (buffer[recvd] == '\n')
{
ret = TRUE;
break;
}
if (buffer[recvd] != '\r') recvd++;
}
else
{
set_last_error( ERROR_WINHTTP_TIMEOUT );
break;
}
}
if (ret)
{
buffer[recvd++] = 0;
*buflen = recvd;
TRACE("received line %s\n", debugstr_a(buffer));
return TRUE;
}
return FALSE;
}
DWORD netconn_set_timeout( netconn_t *netconn, BOOL send, int value )
{
int res;
struct timeval tv;
/* value is in milliseconds, convert to struct timeval */
tv.tv_sec = value / 1000;
tv.tv_usec = (value % 1000) * 1000;
if ((res = setsockopt( netconn->socket, SOL_SOCKET, send ? SO_SNDTIMEO : SO_RCVTIMEO, &tv, sizeof(tv) ) == -1))
{
WARN("setsockopt failed (%s)\n", strerror( errno ));
return sock_get_error( errno );
}
return ERROR_SUCCESS;
}
BOOL netconn_resolve( WCHAR *hostnameW, INTERNET_PORT port, struct sockaddr_in *sa )
{
char *hostname;
#ifdef HAVE_GETADDRINFO
struct addrinfo *res, hints;
int ret;
#else
struct hostent *he;
#endif
if (!(hostname = strdupWA( hostnameW ))) return FALSE;
#ifdef HAVE_GETADDRINFO
memset( &hints, 0, sizeof(struct addrinfo) );
hints.ai_family = AF_INET;
ret = getaddrinfo( hostname, NULL, &hints, &res );
heap_free( hostname );
if (ret != 0)
{
TRACE("failed to get address of %s (%s)\n", debugstr_a(hostname), gai_strerror(ret));
return FALSE;
}
memset( sa, 0, sizeof(struct sockaddr_in) );
memcpy( &sa->sin_addr, &((struct sockaddr_in *)res->ai_addr)->sin_addr, sizeof(struct in_addr) );
sa->sin_family = res->ai_family;
sa->sin_port = htons( port );
freeaddrinfo( res );
#else
EnterCriticalSection( &cs_gethostbyname );
he = gethostbyname( hostname );
heap_free( hostname );
if (!he)
{
TRACE("failed to get address of %s (%d)\n", debugstr_a(hostname), h_errno);
LeaveCriticalSection( &cs_gethostbyname );
return FALSE;
}
memset( sa, 0, sizeof(struct sockaddr_in) );
memcpy( (char *)&sa->sin_addr, he->h_addr, he->h_length );
sa->sin_family = he->h_addrtype;
sa->sin_port = htons( port );
LeaveCriticalSection( &cs_gethostbyname );
#endif
return TRUE;
}