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Insured that all parameters of async functions are copied before

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returnig from request.
This commit is contained in:
Eric Pouech 2000-07-23 14:17:51 +00:00 committed by Alexandre Julliard
parent 690142dc5b
commit 37f5c11118
1 changed files with 77 additions and 59 deletions
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136
dlls/winsock/async.c
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@ -271,11 +271,17 @@ typedef struct _async_query {
HANDLE16 async_handle;
int flags;
#define AQ_WIN16 0
#define AQ_WIN32 4
#define AQ_WIN16 0x00
#define AQ_WIN32 0x04
#define HB_WIN32(hb) (hb->flags & AQ_WIN32)
#define AQ_NUMBER 0
#define AQ_NAME 8
#define AQ_NUMBER 0x00
#define AQ_NAME 0x08
#define AQ_COPYPTR1 0x10
#define AQ_DUPLOWPTR1 0x20
#define AQ_MASKPTR1 0x30
#define AQ_COPYPTR2 0x40
#define AQ_DUPLOWPTR2 0x80
#define AQ_MASKPTR2 0xC0
#define AQ_GETHOST 0
#define AQ_GETPROTO 1
@ -387,41 +393,43 @@ static HANDLE16 __WSAsyncDBQuery(
void *sbuf, INT sbuflen, UINT flags
)
{
async_query *aq;
HANDLE hthread;
int xbuflen=0;
/* allocate buffer to copy protocol- and service name to */
/* note: this is done in the calling thread so we can return */
/* a decent error code if the Alloc fails */
if( flags & (AQ_GETPROTO | AQ_GETSERV)) {
if(ptr1) xbuflen += strlen(ptr1)+1;
if(ptr2) xbuflen += strlen(ptr2)+1;
}
aq = HeapAlloc(GetProcessHeap(),0,sizeof(async_query) + xbuflen);
if(!aq) {
SetLastError(WSAEWOULDBLOCK); /* insufficient resources */
return 0;
}
/* convert protocol- and service names to lower case */
if( flags & (AQ_GETPROTO | AQ_GETSERV)) {
const char *pfrom;
char *pto=aq->xbuf;
if(ptr1) {
pfrom=ptr1;
ptr1=pto;
do *pto++ = tolower(*pfrom);
while (*pfrom++);
}
if(ptr2) {
pfrom=ptr2;
ptr2=pto;
do *pto++ = tolower(*pfrom);
while (*pfrom++);
}
}
async_query* aq;
char* pto;
LPCSTR pfm;
int xbuflen = 0;
/* allocate buffer to copy protocol- and service name to */
/* note: this is done in the calling thread so we can return */
/* a decent error code if the Alloc fails */
switch (flags & AQ_MASKPTR1) {
case 0: break;
case AQ_COPYPTR1: xbuflen += int1; break;
case AQ_DUPLOWPTR1: xbuflen += strlen(ptr1) + 1; break;
}
switch (flags & AQ_MASKPTR2) {
case 0: break;
case AQ_COPYPTR2: xbuflen += int2; break;
case AQ_DUPLOWPTR2: xbuflen += strlen(ptr2) + 1; break;
}
if(!(aq = HeapAlloc(GetProcessHeap(),0,sizeof(async_query) + xbuflen))) {
SetLastError(WSAEWOULDBLOCK); /* insufficient resources */
return 0;
}
pto = aq->xbuf;
if (ptr1) switch (flags & AQ_MASKPTR1) {
case 0: break;
case AQ_COPYPTR1: memcpy(pto, ptr1, int1); ptr1 = pto; pto += int1; break;
case AQ_DUPLOWPTR1: pfm = ptr1; ptr1 = pto; do *pto++ = tolower(*pfm); while (*pfm++); break;
}
if (ptr2) switch (flags & AQ_MASKPTR2) {
case 0: break;
case AQ_COPYPTR2: memcpy(pto, ptr2, int2); ptr2 = pto; pto += int2; break;
case AQ_DUPLOWPTR2: pfm = ptr2; ptr2 = pto; do *pto++ = tolower(*pfm); while (*pfm++); break;
}
aq->hWnd = hWnd;
aq->uMsg = uMsg;
@ -433,9 +441,9 @@ static HANDLE16 __WSAsyncDBQuery(
aq->flags = flags;
aq->sbuf = (SEGPTR)sbuf;
aq->sbuflen = sbuflen;
#if 1
hthread = CreateThread(NULL,0,_async_queryfun,aq,0,NULL);
if (hthread==INVALID_HANDLE_VALUE)
if (CreateThread(NULL,0,_async_queryfun,aq,0,NULL) == INVALID_HANDLE_VALUE)
#endif
_async_queryfun(aq);
return __ws_async_handle;
@ -450,7 +458,8 @@ HANDLE16 WINAPI WSAAsyncGetHostByAddr16(HWND16 hWnd, UINT16 uMsg, LPCSTR addr,
{
TRACE("hwnd %04x, msg %04x, addr %08x[%i]\n",
hWnd, uMsg, (unsigned)addr , len );
return __WSAsyncDBQuery(hWnd,uMsg,len,addr,type,NULL,(void*)sbuf,buflen,AQ_NUMBER|AQ_WIN16|AQ_GETHOST);
return __WSAsyncDBQuery(hWnd,uMsg,len,addr,type,NULL,(void*)sbuf,buflen,
AQ_NUMBER|AQ_COPYPTR1|AQ_WIN16|AQ_GETHOST);
}
/***********************************************************************
@ -461,7 +470,8 @@ HANDLE WINAPI WSAAsyncGetHostByAddr(HWND hWnd, UINT uMsg, LPCSTR addr,
{
TRACE("hwnd %04x, msg %04x, addr %08x[%i]\n",
hWnd, uMsg, (unsigned)addr , len );
return __WSAsyncDBQuery(hWnd,uMsg,len,addr,type,NULL,sbuf,buflen,AQ_NUMBER|AQ_WIN32|AQ_GETHOST);
return __WSAsyncDBQuery(hWnd,uMsg,len,addr,type,NULL,sbuf,buflen,
AQ_NUMBER|AQ_COPYPTR1|AQ_WIN32|AQ_GETHOST);
}
/***********************************************************************
@ -470,9 +480,10 @@ HANDLE WINAPI WSAAsyncGetHostByAddr(HWND hWnd, UINT uMsg, LPCSTR addr,
HANDLE16 WINAPI WSAAsyncGetHostByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
SEGPTR sbuf, INT16 buflen)
{
TRACE("hwnd %04x, msg %04x, host %s, buffer %i\n", hWnd, uMsg, (name)?name:"<null>", (int)buflen );
return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,NULL,(void*)sbuf,buflen,AQ_NAME|AQ_WIN16|AQ_GETHOST);
TRACE("hwnd %04x, msg %04x, host %s, buffer %i\n",
hWnd, uMsg, (name)?name:"<null>", (int)buflen );
return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,NULL,(void*)sbuf,buflen,
AQ_NAME|AQ_DUPLOWPTR1|AQ_WIN16|AQ_GETHOST);
}
/***********************************************************************
@ -483,7 +494,8 @@ HANDLE WINAPI WSAAsyncGetHostByName(HWND hWnd, UINT uMsg, LPCSTR name,
{
TRACE("hwnd %04x, msg %08x, host %s, buffer %i\n",
(HWND16)hWnd, uMsg, (name)?name:"<null>", (int)buflen );
return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,NULL,sbuf,buflen,AQ_NAME|AQ_WIN32|AQ_GETHOST);
return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,NULL,sbuf,buflen,
AQ_NAME|AQ_DUPLOWPTR1|AQ_WIN32|AQ_GETHOST);
}
/***********************************************************************
@ -494,7 +506,8 @@ HANDLE16 WINAPI WSAAsyncGetProtoByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
{
TRACE("hwnd %04x, msg %08x, protocol %s\n",
(HWND16)hWnd, uMsg, (name)?name:"<null>" );
return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,NULL,(void*)sbuf,buflen,AQ_GETPROTO|AQ_NAME|AQ_WIN16);
return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,NULL,(void*)sbuf,buflen,
AQ_NAME|AQ_DUPLOWPTR1|AQ_WIN16|AQ_GETPROTO);
}
/***********************************************************************
@ -505,7 +518,8 @@ HANDLE WINAPI WSAAsyncGetProtoByName(HWND hWnd, UINT uMsg, LPCSTR name,
{
TRACE("hwnd %04x, msg %08x, protocol %s\n",
(HWND16)hWnd, uMsg, (name)?name:"<null>" );
return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,NULL,sbuf,buflen,AQ_GETPROTO|AQ_NAME|AQ_WIN32);
return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,NULL,sbuf,buflen,
AQ_NAME|AQ_DUPLOWPTR1|AQ_WIN32|AQ_GETPROTO);
}
@ -516,7 +530,8 @@ HANDLE16 WINAPI WSAAsyncGetProtoByNumber16(HWND16 hWnd,UINT16 uMsg,INT16 number,
SEGPTR sbuf, INT16 buflen)
{
TRACE("hwnd %04x, msg %04x, num %i\n", hWnd, uMsg, number );
return __WSAsyncDBQuery(hWnd,uMsg,number,NULL,0,NULL,(void*)sbuf,buflen,AQ_GETPROTO|AQ_NUMBER|AQ_WIN16);
return __WSAsyncDBQuery(hWnd,uMsg,number,NULL,0,NULL,(void*)sbuf,buflen,
AQ_GETPROTO|AQ_NUMBER|AQ_WIN16);
}
/***********************************************************************
@ -526,8 +541,8 @@ HANDLE WINAPI WSAAsyncGetProtoByNumber(HWND hWnd, UINT uMsg, INT number,
LPSTR sbuf, INT buflen)
{
TRACE("hwnd %04x, msg %04x, num %i\n", hWnd, uMsg, number );
return __WSAsyncDBQuery(hWnd,uMsg,number,NULL,0,NULL,sbuf,buflen,AQ_GETPROTO|AQ_NUMBER|AQ_WIN32);
return __WSAsyncDBQuery(hWnd,uMsg,number,NULL,0,NULL,sbuf,buflen,
AQ_GETPROTO|AQ_NUMBER|AQ_WIN32);
}
/***********************************************************************
@ -537,9 +552,9 @@ HANDLE16 WINAPI WSAAsyncGetServByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
LPCSTR proto, SEGPTR sbuf, INT16 buflen)
{
TRACE("hwnd %04x, msg %04x, name %s, proto %s\n",
hWnd, uMsg, (name)?name:"<null>", (proto)?proto:"<null>" );
return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,proto,(void*)sbuf,buflen,AQ_GETSERV|AQ_NAME|AQ_WIN16);
hWnd, uMsg, (name)?name:"<null>", (proto)?proto:"<null>");
return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,proto,(void*)sbuf,buflen,
AQ_GETSERV|AQ_NAME|AQ_DUPLOWPTR1|AQ_DUPLOWPTR2|AQ_WIN16);
}
/***********************************************************************
@ -549,8 +564,9 @@ HANDLE WINAPI WSAAsyncGetServByName(HWND hWnd, UINT uMsg, LPCSTR name,
LPCSTR proto, LPSTR sbuf, INT buflen)
{
TRACE("hwnd %04x, msg %04x, name %s, proto %s\n",
hWnd, uMsg, (name)?name:"<null>", (proto)?proto:"<null>" );
return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,proto,sbuf,buflen,AQ_GETSERV|AQ_NAME|AQ_WIN32);
hWnd, uMsg, (name)?name:"<null>", (proto)?proto:"<null>");
return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,proto,sbuf,buflen,
AQ_GETSERV|AQ_NAME|AQ_DUPLOWPTR1|AQ_DUPLOWPTR2|AQ_WIN32);
}
/***********************************************************************
@ -561,7 +577,8 @@ HANDLE16 WINAPI WSAAsyncGetServByPort16(HWND16 hWnd, UINT16 uMsg, INT16 port,
{
TRACE("hwnd %04x, msg %04x, port %i, proto %s\n",
hWnd, uMsg, port, (proto)?proto:"<null>" );
return __WSAsyncDBQuery(hWnd,uMsg,port,NULL,0,proto,(void*)sbuf,buflen,AQ_GETSERV|AQ_NUMBER|AQ_WIN16);
return __WSAsyncDBQuery(hWnd,uMsg,port,NULL,0,proto,(void*)sbuf,buflen,
AQ_GETSERV|AQ_NUMBER|AQ_DUPLOWPTR2|AQ_WIN16);
}
/***********************************************************************
@ -572,7 +589,8 @@ HANDLE WINAPI WSAAsyncGetServByPort(HWND hWnd, UINT uMsg, INT port,
{
TRACE("hwnd %04x, msg %04x, port %i, proto %s\n",
hWnd, uMsg, port, (proto)?proto:"<null>" );
return __WSAsyncDBQuery(hWnd,uMsg,port,NULL,0,proto,sbuf,buflen,AQ_GETSERV|AQ_NUMBER|AQ_WIN32);
return __WSAsyncDBQuery(hWnd,uMsg,port,NULL,0,proto,sbuf,buflen,
AQ_GETSERV|AQ_NUMBER|AQ_DUPLOWPTR2|AQ_WIN32);
}
/***********************************************************************