wine/dlls/wininet/utility.c
2015-02-16 19:19:10 +09:00

335 lines
9.2 KiB
C

/*
* 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"
WINE_DEFAULT_DEBUG_CHANNEL(wininet);
#define TIME_STRING_LEN 30
time_t ConvertTimeString(LPCWSTR asctime)
{
WCHAR tmpChar[TIME_STRING_LEN];
WCHAR *tmpChar2;
struct tm t;
int timelen = strlenW(asctime);
if(!timelen)
return 0;
/* FIXME: the atoiWs below rely on that tmpChar is \0 padded */
memset( tmpChar, 0, sizeof(tmpChar) );
lstrcpynW(tmpChar, asctime, TIME_STRING_LEN);
/* Assert that the string is the expected length */
if (strlenW(asctime) >= TIME_STRING_LEN) FIXME("\n");
/* Convert a time such as 'Mon, 15 Nov 1999 16:09:35 GMT' into a SYSTEMTIME structure
* We assume the time is in this format
* and divide it into easy to swallow chunks
*/
tmpChar[3]='\0';
tmpChar[7]='\0';
tmpChar[11]='\0';
tmpChar[16]='\0';
tmpChar[19]='\0';
tmpChar[22]='\0';
tmpChar[25]='\0';
memset( &t, 0, sizeof(t) );
t.tm_year = atoiW(tmpChar+12) - 1900;
t.tm_mday = atoiW(tmpChar+5);
t.tm_hour = atoiW(tmpChar+17);
t.tm_min = atoiW(tmpChar+20);
t.tm_sec = atoiW(tmpChar+23);
/* and month */
tmpChar2 = tmpChar + 8;
switch(tmpChar2[2])
{
case 'n':
if(tmpChar2[1]=='a')
t.tm_mon = 0;
else
t.tm_mon = 5;
break;
case 'b':
t.tm_mon = 1;
break;
case 'r':
if(tmpChar2[1]=='a')
t.tm_mon = 2;
else
t.tm_mon = 3;
break;
case 'y':
t.tm_mon = 4;
break;
case 'l':
t.tm_mon = 6;
break;
case 'g':
t.tm_mon = 7;
break;
case 'p':
t.tm_mon = 8;
break;
case 't':
t.tm_mon = 9;
break;
case 'v':
t.tm_mon = 10;
break;
case 'c':
t.tm_mon = 11;
break;
default:
FIXME("\n");
}
return mktime(&t);
}
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 < (sizeof(internet_status) / sizeof(internet_status[0])); 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, %d}", 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 = heap_alloc(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 = heap_strdupW(info);
break;
}else {
new_info = heap_strdupWtoA(info);
info_len = strlen(new_info)+1;
break;
}
}
TRACE(" callback(%p) (%p (%p), %08lx, %d (%s), %s, %d)\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)
heap_free(new_info);
}
typedef struct {
task_header_t hdr;
DWORD_PTR context;
DWORD status;
LPVOID status_info;
DWORD status_info_len;
} send_callback_task_t;
static void SendAsyncCallbackProc(task_header_t *hdr)
{
send_callback_task_t *task = (send_callback_task_t*)hdr;
TRACE("%p\n", task->hdr.hdr);
INTERNET_SendCallback(task->hdr.hdr, task->context, task->status, task->status_info, task->status_info_len);
/* And frees the copy of the status info */
heap_free(task->status_info);
}
void SendAsyncCallback(object_header_t *hdr, DWORD_PTR dwContext,
DWORD dwInternetStatus, LPVOID lpvStatusInfo,
DWORD dwStatusInfoLength)
{
TRACE("(%p, %08lx, %d (%s), %p, %d): %sasync call with callback %p\n",
hdr, dwContext, dwInternetStatus, get_callback_name(dwInternetStatus),
lpvStatusInfo, dwStatusInfoLength,
hdr->dwFlags & INTERNET_FLAG_ASYNC ? "" : "non ",
hdr->lpfnStatusCB);
if (!(hdr->lpfnStatusCB))
return;
if (hdr->dwFlags & INTERNET_FLAG_ASYNC)
{
send_callback_task_t *task;
void *lpvStatusInfo_copy = lpvStatusInfo;
if (lpvStatusInfo)
{
lpvStatusInfo_copy = heap_alloc(dwStatusInfoLength);
memcpy(lpvStatusInfo_copy, lpvStatusInfo, dwStatusInfoLength);
}
task = alloc_async_task(hdr, SendAsyncCallbackProc, sizeof(*task));
task->context = dwContext;
task->status = dwInternetStatus;
task->status_info = lpvStatusInfo_copy;
task->status_info_len = dwStatusInfoLength;
INTERNET_AsyncCall(&task->hdr);
}
else
INTERNET_SendCallback(hdr, dwContext, dwInternetStatus,
lpvStatusInfo, dwStatusInfoLength);
}