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399 lines
12 KiB
C
399 lines
12 KiB
C
/*
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* Wininet - Utility functions
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*
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* Copyright 1999 Corel Corporation
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* Copyright 2002 CodeWeavers Inc.
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*
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* Ulrich Czekalla
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* Aric Stewart
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#if defined(__MINGW32__) || defined (_MSC_VER)
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#include <ws2tcpip.h>
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#endif
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wininet.h"
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#include "winnls.h"
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#include "wine/debug.h"
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#include "internet.h"
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WINE_DEFAULT_DEBUG_CHANNEL(wininet);
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#ifndef HAVE_GETADDRINFO
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/* critical section to protect non-reentrant gethostbyname() */
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static CRITICAL_SECTION cs_gethostbyname;
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static CRITICAL_SECTION_DEBUG critsect_debug =
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{
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0, 0, &cs_gethostbyname,
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{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": cs_gethostbyname") }
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};
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static CRITICAL_SECTION cs_gethostbyname = { &critsect_debug, -1, 0, 0, 0, 0 };
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#endif
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#define TIME_STRING_LEN 30
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time_t ConvertTimeString(LPCWSTR asctime)
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{
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WCHAR tmpChar[TIME_STRING_LEN];
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WCHAR *tmpChar2;
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struct tm t;
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int timelen = strlenW(asctime);
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if(!timelen)
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return 0;
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/* FIXME: the atoiWs below rely on that tmpChar is \0 padded */
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memset( tmpChar, 0, sizeof(tmpChar) );
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lstrcpynW(tmpChar, asctime, TIME_STRING_LEN);
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/* Assert that the string is the expected length */
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if (strlenW(asctime) >= TIME_STRING_LEN) FIXME("\n");
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/* Convert a time such as 'Mon, 15 Nov 1999 16:09:35 GMT' into a SYSTEMTIME structure
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* We assume the time is in this format
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* and divide it into easy to swallow chunks
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*/
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tmpChar[3]='\0';
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tmpChar[7]='\0';
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tmpChar[11]='\0';
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tmpChar[16]='\0';
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tmpChar[19]='\0';
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tmpChar[22]='\0';
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tmpChar[25]='\0';
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memset( &t, 0, sizeof(t) );
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t.tm_year = atoiW(tmpChar+12) - 1900;
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t.tm_mday = atoiW(tmpChar+5);
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t.tm_hour = atoiW(tmpChar+17);
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t.tm_min = atoiW(tmpChar+20);
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t.tm_sec = atoiW(tmpChar+23);
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/* and month */
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tmpChar2 = tmpChar + 8;
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switch(tmpChar2[2])
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{
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case 'n':
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if(tmpChar2[1]=='a')
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t.tm_mon = 0;
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else
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t.tm_mon = 5;
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break;
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case 'b':
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t.tm_mon = 1;
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break;
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case 'r':
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if(tmpChar2[1]=='a')
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t.tm_mon = 2;
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else
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t.tm_mon = 3;
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break;
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case 'y':
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t.tm_mon = 4;
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break;
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case 'l':
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t.tm_mon = 6;
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break;
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case 'g':
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t.tm_mon = 7;
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break;
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case 'p':
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t.tm_mon = 8;
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break;
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case 't':
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t.tm_mon = 9;
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break;
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case 'v':
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t.tm_mon = 10;
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break;
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case 'c':
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t.tm_mon = 11;
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break;
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default:
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FIXME("\n");
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}
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return mktime(&t);
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}
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BOOL GetAddress(LPCWSTR lpszServerName, INTERNET_PORT nServerPort,
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struct sockaddr *psa, socklen_t *sa_len)
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{
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WCHAR *found;
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char *name;
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int len, sz;
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#ifdef HAVE_GETADDRINFO
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struct addrinfo *res, hints;
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int ret;
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#else
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struct hostent *phe;
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struct sockaddr_in *sin = (struct sockaddr_in *)psa;
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#endif
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TRACE("%s\n", debugstr_w(lpszServerName));
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/* Validate server name first
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* Check if there is sth. like
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* pinger.macromedia.com:80
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* if yes, eliminate the :80....
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*/
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found = strchrW(lpszServerName, ':');
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if (found)
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len = found - lpszServerName;
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else
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len = strlenW(lpszServerName);
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sz = WideCharToMultiByte( CP_UNIXCP, 0, lpszServerName, len, NULL, 0, NULL, NULL );
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if (!(name = HeapAlloc( GetProcessHeap(), 0, sz + 1 ))) return FALSE;
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WideCharToMultiByte( CP_UNIXCP, 0, lpszServerName, len, name, sz, NULL, NULL );
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name[sz] = 0;
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#ifdef HAVE_GETADDRINFO
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memset( &hints, 0, sizeof(struct addrinfo) );
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/* Prefer IPv4 to IPv6 addresses, since some servers do not listen on
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* their IPv6 addresses even though they have IPv6 addresses in the DNS.
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*/
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hints.ai_family = AF_INET;
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ret = getaddrinfo( name, NULL, &hints, &res );
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HeapFree( GetProcessHeap(), 0, name );
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if (ret != 0)
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{
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TRACE("failed to get IPv4 address of %s (%s), retrying with IPv6\n", debugstr_w(lpszServerName), gai_strerror(ret));
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hints.ai_family = AF_INET6;
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ret = getaddrinfo( name, NULL, &hints, &res );
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if (ret != 0)
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{
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TRACE("failed to get address of %s (%s)\n", debugstr_w(lpszServerName), gai_strerror(ret));
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return FALSE;
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}
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}
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if (*sa_len < res->ai_addrlen)
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{
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WARN("address too small\n");
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freeaddrinfo( res );
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return FALSE;
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}
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*sa_len = res->ai_addrlen;
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memcpy( psa, res->ai_addr, res->ai_addrlen );
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/* Copy port */
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switch (res->ai_family)
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{
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case AF_INET:
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((struct sockaddr_in *)psa)->sin_port = htons(nServerPort);
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break;
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case AF_INET6:
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((struct sockaddr_in6 *)psa)->sin6_port = htons(nServerPort);
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break;
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}
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freeaddrinfo( res );
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#else
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EnterCriticalSection( &cs_gethostbyname );
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phe = gethostbyname(name);
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HeapFree( GetProcessHeap(), 0, name );
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if (NULL == phe)
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{
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TRACE("failed to get address of %s (%d)\n", debugstr_w(lpszServerName), h_errno);
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LeaveCriticalSection( &cs_gethostbyname );
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return FALSE;
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}
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if (*sa_len < sizeof(struct sockaddr_in))
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{
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WARN("address too small\n");
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LeaveCriticalSection( &cs_gethostbyname );
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return FALSE;
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}
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*sa_len = sizeof(struct sockaddr_in);
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memset(sin,0,sizeof(struct sockaddr_in));
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memcpy((char *)&sin->sin_addr, phe->h_addr, phe->h_length);
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sin->sin_family = phe->h_addrtype;
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sin->sin_port = htons(nServerPort);
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LeaveCriticalSection( &cs_gethostbyname );
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#endif
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return TRUE;
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}
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/*
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* Helper function for sending async Callbacks
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*/
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static const char *get_callback_name(DWORD dwInternetStatus) {
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static const wininet_flag_info internet_status[] = {
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#define FE(x) { x, #x }
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FE(INTERNET_STATUS_RESOLVING_NAME),
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FE(INTERNET_STATUS_NAME_RESOLVED),
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FE(INTERNET_STATUS_CONNECTING_TO_SERVER),
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FE(INTERNET_STATUS_CONNECTED_TO_SERVER),
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FE(INTERNET_STATUS_SENDING_REQUEST),
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FE(INTERNET_STATUS_REQUEST_SENT),
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FE(INTERNET_STATUS_RECEIVING_RESPONSE),
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FE(INTERNET_STATUS_RESPONSE_RECEIVED),
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FE(INTERNET_STATUS_CTL_RESPONSE_RECEIVED),
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FE(INTERNET_STATUS_PREFETCH),
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FE(INTERNET_STATUS_CLOSING_CONNECTION),
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FE(INTERNET_STATUS_CONNECTION_CLOSED),
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FE(INTERNET_STATUS_HANDLE_CREATED),
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FE(INTERNET_STATUS_HANDLE_CLOSING),
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FE(INTERNET_STATUS_REQUEST_COMPLETE),
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FE(INTERNET_STATUS_REDIRECT),
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FE(INTERNET_STATUS_INTERMEDIATE_RESPONSE),
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FE(INTERNET_STATUS_USER_INPUT_REQUIRED),
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FE(INTERNET_STATUS_STATE_CHANGE),
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FE(INTERNET_STATUS_COOKIE_SENT),
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FE(INTERNET_STATUS_COOKIE_RECEIVED),
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FE(INTERNET_STATUS_PRIVACY_IMPACTED),
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FE(INTERNET_STATUS_P3P_HEADER),
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FE(INTERNET_STATUS_P3P_POLICYREF),
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FE(INTERNET_STATUS_COOKIE_HISTORY)
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#undef FE
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};
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DWORD i;
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for (i = 0; i < (sizeof(internet_status) / sizeof(internet_status[0])); i++) {
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if (internet_status[i].val == dwInternetStatus) return internet_status[i].name;
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}
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return "Unknown";
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}
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VOID INTERNET_SendCallback(object_header_t *hdr, DWORD_PTR dwContext,
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DWORD dwInternetStatus, LPVOID lpvStatusInfo,
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DWORD dwStatusInfoLength)
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{
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LPVOID lpvNewInfo = NULL;
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if( !hdr->lpfnStatusCB )
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return;
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/* the IE5 version of wininet does not
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send callbacks if dwContext is zero */
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if( !dwContext )
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return;
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lpvNewInfo = lpvStatusInfo;
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if(hdr->dwInternalFlags & INET_CALLBACKW) {
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switch(dwInternetStatus) {
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case INTERNET_STATUS_NAME_RESOLVED:
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case INTERNET_STATUS_CONNECTING_TO_SERVER:
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case INTERNET_STATUS_CONNECTED_TO_SERVER:
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lpvNewInfo = heap_strdupAtoW(lpvStatusInfo);
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dwStatusInfoLength *= sizeof(WCHAR);
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break;
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case INTERNET_STATUS_RESOLVING_NAME:
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case INTERNET_STATUS_REDIRECT:
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lpvNewInfo = heap_strdupW(lpvStatusInfo);
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break;
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}
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}else {
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switch(dwInternetStatus)
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{
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case INTERNET_STATUS_NAME_RESOLVED:
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case INTERNET_STATUS_CONNECTING_TO_SERVER:
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case INTERNET_STATUS_CONNECTED_TO_SERVER:
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lpvNewInfo = HeapAlloc(GetProcessHeap(), 0, strlen(lpvStatusInfo) + 1);
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if (lpvNewInfo) strcpy(lpvNewInfo, lpvStatusInfo);
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break;
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case INTERNET_STATUS_RESOLVING_NAME:
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case INTERNET_STATUS_REDIRECT:
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lpvNewInfo = heap_strdupWtoA(lpvStatusInfo);
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dwStatusInfoLength /= sizeof(WCHAR);
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break;
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}
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}
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TRACE(" callback(%p) (%p (%p), %08lx, %d (%s), %p, %d)\n",
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hdr->lpfnStatusCB, hdr->hInternet, hdr, dwContext, dwInternetStatus, get_callback_name(dwInternetStatus),
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lpvNewInfo, dwStatusInfoLength);
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hdr->lpfnStatusCB(hdr->hInternet, dwContext, dwInternetStatus,
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lpvNewInfo, dwStatusInfoLength);
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TRACE(" end callback().\n");
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if(lpvNewInfo != lpvStatusInfo)
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HeapFree(GetProcessHeap(), 0, lpvNewInfo);
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}
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static void SendAsyncCallbackProc(WORKREQUEST *workRequest)
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{
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struct WORKREQ_SENDCALLBACK const *req = &workRequest->u.SendCallback;
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TRACE("%p\n", workRequest->hdr);
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INTERNET_SendCallback(workRequest->hdr,
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req->dwContext, req->dwInternetStatus, req->lpvStatusInfo,
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req->dwStatusInfoLength);
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/* And frees the copy of the status info */
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HeapFree(GetProcessHeap(), 0, req->lpvStatusInfo);
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}
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void SendAsyncCallback(object_header_t *hdr, DWORD_PTR dwContext,
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DWORD dwInternetStatus, LPVOID lpvStatusInfo,
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DWORD dwStatusInfoLength)
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{
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TRACE("(%p, %08lx, %d (%s), %p, %d): %sasync call with callback %p\n",
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hdr, dwContext, dwInternetStatus, get_callback_name(dwInternetStatus),
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lpvStatusInfo, dwStatusInfoLength,
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hdr->dwFlags & INTERNET_FLAG_ASYNC ? "" : "non ",
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hdr->lpfnStatusCB);
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if (!(hdr->lpfnStatusCB))
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return;
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if (hdr->dwFlags & INTERNET_FLAG_ASYNC)
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{
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WORKREQUEST workRequest;
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struct WORKREQ_SENDCALLBACK *req;
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void *lpvStatusInfo_copy = lpvStatusInfo;
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if (lpvStatusInfo)
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{
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lpvStatusInfo_copy = HeapAlloc(GetProcessHeap(), 0, dwStatusInfoLength);
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memcpy(lpvStatusInfo_copy, lpvStatusInfo, dwStatusInfoLength);
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}
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workRequest.asyncproc = SendAsyncCallbackProc;
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workRequest.hdr = WININET_AddRef( hdr );
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req = &workRequest.u.SendCallback;
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req->dwContext = dwContext;
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req->dwInternetStatus = dwInternetStatus;
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req->lpvStatusInfo = lpvStatusInfo_copy;
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req->dwStatusInfoLength = dwStatusInfoLength;
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INTERNET_AsyncCall(&workRequest);
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}
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else
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INTERNET_SendCallback(hdr, dwContext, dwInternetStatus,
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lpvStatusInfo, dwStatusInfoLength);
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}
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