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Insured that all parameters of async functions are copied before 

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; HANDLE16 async_handle;
int flags; int flags;
#define AQ_WIN16 0 #define AQ_WIN16 0x00
#define AQ_WIN32 4 #define AQ_WIN32 0x04
#define HB_WIN32(hb) (hb->flags & AQ_WIN32) #define HB_WIN32(hb) (hb->flags & AQ_WIN32)
#define AQ_NUMBER 0 #define AQ_NUMBER 0x00
#define AQ_NAME 8 #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_GETHOST 0
#define AQ_GETPROTO 1 #define AQ_GETPROTO 1
@ -387,41 +393,43 @@ static HANDLE16 __WSAsyncDBQuery(
void *sbuf, INT sbuflen, UINT flags void *sbuf, INT sbuflen, UINT flags
) )
{ {
async_query *aq; async_query* aq;
HANDLE hthread; char* pto;
LPCSTR pfm;
int xbuflen=0; int xbuflen = 0;
/* allocate buffer to copy protocol- and service name to */
/* note: this is done in the calling thread so we can return */ /* allocate buffer to copy protocol- and service name to */
/* a decent error code if the Alloc fails */ /* 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; switch (flags & AQ_MASKPTR1) {
if(ptr2) xbuflen += strlen(ptr2)+1; case 0: break;
} case AQ_COPYPTR1: xbuflen += int1; break;
case AQ_DUPLOWPTR1: xbuflen += strlen(ptr1) + 1; break;
aq = HeapAlloc(GetProcessHeap(),0,sizeof(async_query) + xbuflen); }
if(!aq) {
SetLastError(WSAEWOULDBLOCK); /* insufficient resources */ switch (flags & AQ_MASKPTR2) {
return 0; case 0: break;
} case AQ_COPYPTR2: xbuflen += int2; break;
/* convert protocol- and service names to lower case */ case AQ_DUPLOWPTR2: xbuflen += strlen(ptr2) + 1; break;
if( flags & (AQ_GETPROTO | AQ_GETSERV)) { }
const char *pfrom;
char *pto=aq->xbuf; if(!(aq = HeapAlloc(GetProcessHeap(),0,sizeof(async_query) + xbuflen))) {
if(ptr1) { SetLastError(WSAEWOULDBLOCK); /* insufficient resources */
pfrom=ptr1; return 0;
ptr1=pto; }
do *pto++ = tolower(*pfrom);
while (*pfrom++); pto = aq->xbuf;
} if (ptr1) switch (flags & AQ_MASKPTR1) {
if(ptr2) { case 0: break;
pfrom=ptr2; case AQ_COPYPTR1: memcpy(pto, ptr1, int1); ptr1 = pto; pto += int1; break;
ptr2=pto; case AQ_DUPLOWPTR1: pfm = ptr1; ptr1 = pto; do *pto++ = tolower(*pfm); while (*pfm++); break;
do *pto++ = tolower(*pfrom); }
while (*pfrom++); 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->hWnd = hWnd;
aq->uMsg = uMsg; aq->uMsg = uMsg;
@ -433,9 +441,9 @@ static HANDLE16 __WSAsyncDBQuery(
aq->flags = flags; aq->flags = flags;
aq->sbuf = (SEGPTR)sbuf; aq->sbuf = (SEGPTR)sbuf;
aq->sbuflen = sbuflen; aq->sbuflen = sbuflen;
#if 1 #if 1
hthread = CreateThread(NULL,0,_async_queryfun,aq,0,NULL); if (CreateThread(NULL,0,_async_queryfun,aq,0,NULL) == INVALID_HANDLE_VALUE)
if (hthread==INVALID_HANDLE_VALUE)
#endif #endif
_async_queryfun(aq); _async_queryfun(aq);
return __ws_async_handle; 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", TRACE("hwnd %04x, msg %04x, addr %08x[%i]\n",
hWnd, uMsg, (unsigned)addr , len ); 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", TRACE("hwnd %04x, msg %04x, addr %08x[%i]\n",
hWnd, uMsg, (unsigned)addr , len ); 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, HANDLE16 WINAPI WSAAsyncGetHostByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
SEGPTR sbuf, INT16 buflen) SEGPTR sbuf, INT16 buflen)
{ {
TRACE("hwnd %04x, msg %04x, host %s, buffer %i\n", hWnd, uMsg, (name)?name:"<null>", (int)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); 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", TRACE("hwnd %04x, msg %08x, host %s, buffer %i\n",
(HWND16)hWnd, uMsg, (name)?name:"<null>", (int)buflen ); (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", TRACE("hwnd %04x, msg %08x, protocol %s\n",
(HWND16)hWnd, uMsg, (name)?name:"<null>" ); (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", TRACE("hwnd %04x, msg %08x, protocol %s\n",
(HWND16)hWnd, uMsg, (name)?name:"<null>" ); (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) SEGPTR sbuf, INT16 buflen)
{ {
TRACE("hwnd %04x, msg %04x, num %i\n", hWnd, uMsg, number ); 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) LPSTR sbuf, INT buflen)
{ {
TRACE("hwnd %04x, msg %04x, num %i\n", hWnd, uMsg, number ); TRACE("hwnd %04x, msg %04x, num %i\n", hWnd, uMsg, number );
return __WSAsyncDBQuery(hWnd,uMsg,number,NULL,0,NULL,sbuf,buflen,
return __WSAsyncDBQuery(hWnd,uMsg,number,NULL,0,NULL,sbuf,buflen,AQ_GETPROTO|AQ_NUMBER|AQ_WIN32); 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) LPCSTR proto, SEGPTR sbuf, INT16 buflen)
{ {
TRACE("hwnd %04x, msg %04x, name %s, proto %s\n", TRACE("hwnd %04x, msg %04x, name %s, proto %s\n",
hWnd, uMsg, (name)?name:"<null>", (proto)?proto:"<null>" ); hWnd, uMsg, (name)?name:"<null>", (proto)?proto:"<null>");
return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,proto,(void*)sbuf,buflen,
return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,proto,(void*)sbuf,buflen,AQ_GETSERV|AQ_NAME|AQ_WIN16); 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) LPCSTR proto, LPSTR sbuf, INT buflen)
{ {
TRACE("hwnd %04x, msg %04x, name %s, proto %s\n", TRACE("hwnd %04x, msg %04x, name %s, proto %s\n",
hWnd, uMsg, (name)?name:"<null>", (proto)?proto:"<null>" ); hWnd, uMsg, (name)?name:"<null>", (proto)?proto:"<null>");
return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,proto,sbuf,buflen,AQ_GETSERV|AQ_NAME|AQ_WIN32); 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", TRACE("hwnd %04x, msg %04x, port %i, proto %s\n",
hWnd, uMsg, port, (proto)?proto:"<null>" ); 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", TRACE("hwnd %04x, msg %04x, port %i, proto %s\n",
hWnd, uMsg, port, (proto)?proto:"<null>" ); 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);
} }
/*********************************************************************** /***********************************************************************