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wininet: Use getaddrinfo for thread-safe resolving if available.

This commit is contained in:
Hans Leidekker 2008-08-02 23:21:23 +02:00 committed by Alexandre Julliard
parent 359cd00982
commit daa2fdfccb
1 changed files with 30 additions and 3 deletions
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33
dlls/wininet/utility.c
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@ -40,6 +40,8 @@
WINE_DEFAULT_DEBUG_CHANNEL(wininet);
#ifndef HAVE_GETADDRINFO
/* critical section to protect non-reentrant gethostbyname() */
static CRITICAL_SECTION cs_gethostbyname;
static CRITICAL_SECTION_DEBUG critsect_debug =
@ -50,6 +52,8 @@ static CRITICAL_SECTION_DEBUG critsect_debug =
};
static CRITICAL_SECTION cs_gethostbyname = { &critsect_debug, -1, 0, 0, 0, 0 };
#endif
#define TIME_STRING_LEN 30
time_t ConvertTimeString(LPCWSTR asctime)
@ -142,7 +146,12 @@ BOOL GetAddress(LPCWSTR lpszServerName, INTERNET_PORT nServerPort,
WCHAR *found;
char *name;
int len, sz;
#ifdef HAVE_GETADDRINFO
struct addrinfo *res, hints;
int ret;
#else
struct hostent *phe;
#endif
TRACE("%s\n", debugstr_w(lpszServerName));
@ -158,27 +167,45 @@ BOOL GetAddress(LPCWSTR lpszServerName, INTERNET_PORT nServerPort,
len = strlenW(lpszServerName);
sz = WideCharToMultiByte( CP_UNIXCP, 0, lpszServerName, len, NULL, 0, NULL, NULL );
name = HeapAlloc(GetProcessHeap(), 0, sz+1);
if (!(name = HeapAlloc( GetProcessHeap(), 0, sz + 1 ))) return FALSE;
WideCharToMultiByte( CP_UNIXCP, 0, lpszServerName, len, name, sz, NULL, NULL );
name[sz] = 0;
#ifdef HAVE_GETADDRINFO
memset( &hints, 0, sizeof(struct addrinfo) );
hints.ai_family = AF_INET;
ret = getaddrinfo( name, NULL, &hints, &res );
HeapFree( GetProcessHeap(), 0, name );
if (ret != 0)
{
TRACE("failed to get address of %s (%s)\n", debugstr_w(lpszServerName), gai_strerror(ret));
return FALSE;
}
memset( psa, 0, sizeof(struct sockaddr_in) );
memcpy( &psa->sin_addr, &((struct sockaddr_in *)res->ai_addr)->sin_addr, sizeof(struct in_addr) );
psa->sin_family = res->ai_family;
psa->sin_port = htons(nServerPort);
freeaddrinfo( res );
#else
EnterCriticalSection( &cs_gethostbyname );
phe = gethostbyname(name);
HeapFree( GetProcessHeap(), 0, name );
if (NULL == phe)
{
TRACE("Failed to get hostname: (%s)\n", debugstr_w(lpszServerName) );
TRACE("failed to get address of %s (%d)\n", debugstr_w(lpszServerName), h_errno);
LeaveCriticalSection( &cs_gethostbyname );
return FALSE;
}
memset(psa,0,sizeof(struct sockaddr_in));
memcpy((char *)&psa->sin_addr, phe->h_addr, phe->h_length);
psa->sin_family = phe->h_addrtype;
psa->sin_port = htons(nServerPort);
LeaveCriticalSection( &cs_gethostbyname );
#endif
return TRUE;
}