utility.c

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#ifdef __REACTOS__
#include "precomp.h"
#include "inet_ntop.c"
#else
/*
 * Wininet - Utility functions
 *
 * Copyright 1999 Corel Corporation
 * Copyright 2002 CodeWeavers Inc.
 *
 * Ulrich Czekalla
 * Aric Stewart
 *
 * 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 "ws2tcpip.h"
 
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
 
#include "windef.h"
#include "winbase.h"
#include "wininet.h"
#include "winnls.h"
 
#include "wine/debug.h"
#include "internet.h"
#endif /* defined(__REACTOS__) */
 
WINE_DEFAULT_DEBUG_CHANNEL(wininet);
 
BOOL GetAddress(const WCHAR *name, INTERNET_PORT port, struct sockaddr *psa, int *sa_len, char *addr_str)
{
    ADDRINFOW *res, hints;
    void *addr = NULL;
    int ret;
 
    TRACE("%s\n", debugstr_w(name));
 
    memset( &hints, 0, sizeof(hints) );
    /* Prefer IPv4 to IPv6 addresses, since some servers do not listen on
     * their IPv6 addresses even though they have IPv6 addresses in the DNS.
     */
    hints.ai_family = AF_INET;
 
    ret = GetAddrInfoW(name, NULL, &hints, &res);
    if (ret != 0)
    {
        TRACE("failed to get IPv4 address of %s, retrying with IPv6\n", debugstr_w(name));
        hints.ai_family = AF_INET6;
        ret = GetAddrInfoW(name, NULL, &hints, &res);
    }
    if (ret != 0)
    {
        TRACE("failed to get address of %s\n", debugstr_w(name));
        return FALSE;
    }
    if (*sa_len < res->ai_addrlen)
    {
        WARN("address too small\n");
        FreeAddrInfoW(res);
        return FALSE;
    }
    *sa_len = res->ai_addrlen;
    memcpy( psa, res->ai_addr, res->ai_addrlen );
    /* Copy port */
    switch (res->ai_family)
    {
    case AF_INET:
        addr = &((struct sockaddr_in *)psa)->sin_addr;
        ((struct sockaddr_in *)psa)->sin_port = htons(port);
        break;
    case AF_INET6:
        addr = &((struct sockaddr_in6 *)psa)->sin6_addr;
        ((struct sockaddr_in6 *)psa)->sin6_port = htons(port);
        break;
    }
 
    if(addr_str)
        inet_ntop(res->ai_family, addr, addr_str, INET6_ADDRSTRLEN);
    FreeAddrInfoW(res);
    return TRUE;
}
 
/*
 * Helper function for sending async Callbacks
 */
 
static const char *get_callback_name(DWORD dwInternetStatus) {
    static const wininet_flag_info internet_status[] = {
#define FE(x) { x, #x }
    FE(INTERNET_STATUS_RESOLVING_NAME),
    FE(INTERNET_STATUS_NAME_RESOLVED),
    FE(INTERNET_STATUS_CONNECTING_TO_SERVER),
    FE(INTERNET_STATUS_CONNECTED_TO_SERVER),
    FE(INTERNET_STATUS_SENDING_REQUEST),
    FE(INTERNET_STATUS_REQUEST_SENT),
    FE(INTERNET_STATUS_RECEIVING_RESPONSE),
    FE(INTERNET_STATUS_RESPONSE_RECEIVED),
    FE(INTERNET_STATUS_CTL_RESPONSE_RECEIVED),
    FE(INTERNET_STATUS_PREFETCH),
    FE(INTERNET_STATUS_CLOSING_CONNECTION),
    FE(INTERNET_STATUS_CONNECTION_CLOSED),
    FE(INTERNET_STATUS_HANDLE_CREATED),
    FE(INTERNET_STATUS_HANDLE_CLOSING),
    FE(INTERNET_STATUS_REQUEST_COMPLETE),
    FE(INTERNET_STATUS_REDIRECT),
    FE(INTERNET_STATUS_INTERMEDIATE_RESPONSE),
    FE(INTERNET_STATUS_USER_INPUT_REQUIRED),
    FE(INTERNET_STATUS_STATE_CHANGE),
    FE(INTERNET_STATUS_COOKIE_SENT),
    FE(INTERNET_STATUS_COOKIE_RECEIVED),
    FE(INTERNET_STATUS_PRIVACY_IMPACTED),
    FE(INTERNET_STATUS_P3P_HEADER),
    FE(INTERNET_STATUS_P3P_POLICYREF),
    FE(INTERNET_STATUS_COOKIE_HISTORY)
#undef FE
    };
    DWORD i;
 
    for (i = 0; i < ARRAY_SIZE(internet_status); i++) {
    if (internet_status[i].val == dwInternetStatus) return internet_status[i].name;
    }
    return "Unknown";
}
 
static const char *debugstr_status_info(DWORD status, void *info)
{
    switch(status) {
    case INTERNET_STATUS_REQUEST_COMPLETE: {
        INTERNET_ASYNC_RESULT *iar = info;
        return wine_dbg_sprintf("{%s, %ld}", wine_dbgstr_longlong(iar->dwResult), iar->dwError);
    }
    default:
        return wine_dbg_sprintf("%p", info);
    }
}
 
void INTERNET_SendCallback(object_header_t *hdr, DWORD_PTR context, DWORD status, void *info, DWORD info_len)
{
    void *new_info = info;
 
    if( !hdr->lpfnStatusCB )
        return;
 
    /* the IE5 version of wininet does not
       send callbacks if dwContext is zero */
    if(!context)
        return;
 
    switch(status) {
    case INTERNET_STATUS_NAME_RESOLVED:
    case INTERNET_STATUS_CONNECTING_TO_SERVER:
    case INTERNET_STATUS_CONNECTED_TO_SERVER:
        new_info = malloc(info_len);
        if(new_info)
            memcpy(new_info, info, info_len);
        break;
    case INTERNET_STATUS_RESOLVING_NAME:
    case INTERNET_STATUS_REDIRECT:
        if(hdr->dwInternalFlags & INET_CALLBACKW) {
            new_info = wcsdup(info);
            break;
        }else {
            new_info = strdupWtoA(info);
            info_len = strlen(new_info)+1;
            break;
        }
    }
    
    TRACE(" callback(%p) (%p (%p), %08Ix, %ld (%s), %s, %ld)\n",
      hdr->lpfnStatusCB, hdr->hInternet, hdr, context, status, get_callback_name(status),
      debugstr_status_info(status, new_info), info_len);
    
    hdr->lpfnStatusCB(hdr->hInternet, context, status, new_info, info_len);
 
    TRACE(" end callback().\n");
 
    if(new_info != info)
        free(new_info);
}