4c25744f86
* net.cc (cygwin_connect): Change error code to WSAEINPROGRESS
when connect returns WSAEWOULDBLOCK.
317 lines
9.2 KiB
C++
317 lines
9.2 KiB
C++
/* autoload.cc: all dynamic load stuff.
|
|
|
|
Copyright 2000 Cygnus Solutions.
|
|
|
|
This file is part of Cygwin.
|
|
|
|
This software is a copyrighted work licensed under the terms of the
|
|
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
|
|
details. */
|
|
|
|
#include "winsup.h"
|
|
#include "autoload.h"
|
|
|
|
extern "C" {
|
|
|
|
/* This struct is unused, but it illustrates the layout of a DLL
|
|
information block. */
|
|
struct DLLinfo
|
|
{
|
|
char jmpinst[4];
|
|
HANDLE h;
|
|
DWORD flag;
|
|
char name[0];
|
|
};
|
|
|
|
/* FIXME: This is not thread-safe! */
|
|
__asm__ ("
|
|
msg1:
|
|
.ascii \"couldn't dynamically determine load address for '%s' (handle %p), %E\\0\"
|
|
|
|
.align 32
|
|
noload:
|
|
popl %edx # Get the address of the information block
|
|
movl 8(%edx),%eax # Should we 'ignore' the lack
|
|
test $1,%eax # of this function?
|
|
jz 1f # Nope.
|
|
decl %eax # Yes. This is the # of bytes + 1
|
|
popl %edx # Caller's caller
|
|
addl %eax,%esp # Pop off bytes
|
|
xor %eax,%eax # Zero functional return
|
|
jmp *%edx # Return
|
|
1:
|
|
movl 4(%edx),%eax # Handle value
|
|
pushl (%eax)
|
|
leal 12(%edx),%eax # Location of name of function
|
|
push %eax
|
|
push $msg1 # The message
|
|
call ___api_fatal # Print message. Never returns
|
|
|
|
.globl cygwin_dll_func_load
|
|
cygwin_dll_func_load:
|
|
movl (%esp),%eax # 'Return address' contains load info
|
|
addl $12,%eax # Address of name of function to load
|
|
pushl %eax # Second argument
|
|
movl -8(%eax),%eax # Address of Handle to DLL
|
|
pushl (%eax) # Handle to DLL
|
|
call _GetProcAddress@8# Load it
|
|
test %eax,%eax # Success?
|
|
jne gotit # Yes
|
|
jmp noload # Issue an error or return
|
|
gotit:
|
|
popl %ecx # Pointer to 'return address'
|
|
movb $0xe0,-1(%ecx) # Turn preceding call to a jmp *%eax
|
|
movl %eax,(%ecx) # Point dispatch to address loaded above
|
|
jmp *%eax
|
|
");
|
|
|
|
LoadDLLinitfunc (advapi32)
|
|
{
|
|
HANDLE h;
|
|
static NO_COPY LONG here = -1L;
|
|
|
|
while (InterlockedIncrement (&here))
|
|
{
|
|
InterlockedDecrement (&here);
|
|
Sleep (0);
|
|
}
|
|
|
|
if (advapi32_handle)
|
|
/* nothing to do */;
|
|
else if ((h = LoadLibrary ("advapi32.dll")) != NULL)
|
|
advapi32_handle = h;
|
|
else if (!advapi32_handle)
|
|
api_fatal ("could not load advapi32.dll, %E");
|
|
|
|
InterlockedDecrement (&here);
|
|
return 0;
|
|
}
|
|
|
|
LoadDLLinitfunc (netapi32)
|
|
{
|
|
HANDLE h;
|
|
|
|
if ((h = LoadLibrary ("netapi32.dll")) != NULL)
|
|
netapi32_handle = h;
|
|
else if (! netapi32_handle)
|
|
api_fatal ("could not load netapi32.dll. %d", GetLastError ());
|
|
return 0;
|
|
}
|
|
|
|
LoadDLLinitfunc (ntdll)
|
|
{
|
|
HANDLE h;
|
|
static NO_COPY LONG here = -1L;
|
|
|
|
while (InterlockedIncrement (&here))
|
|
{
|
|
InterlockedDecrement (&here);
|
|
small_printf ("Multiple tries to read ntdll.dll\n");
|
|
Sleep (0);
|
|
}
|
|
|
|
if (ntdll_handle)
|
|
/* nothing to do */;
|
|
else if ((h = LoadLibrary ("ntdll.dll")) != NULL)
|
|
ntdll_handle = h;
|
|
else if (!ntdll_handle)
|
|
api_fatal ("could not load ntdll.dll, %E");
|
|
|
|
InterlockedDecrement (&here);
|
|
return 0;
|
|
}
|
|
|
|
LoadDLLinitfunc (user32)
|
|
{
|
|
HANDLE h;
|
|
static NO_COPY LONG here = -1L;
|
|
|
|
while (InterlockedIncrement (&here))
|
|
{
|
|
InterlockedDecrement (&here);
|
|
Sleep (0);
|
|
}
|
|
|
|
if (user32_handle)
|
|
/* nothing to do */;
|
|
else if ((h = LoadLibrary ("user32.dll")) != NULL)
|
|
user32_handle = h;
|
|
else if (!user32_handle)
|
|
api_fatal ("could not load user32.dll, %E");
|
|
|
|
InterlockedDecrement (&here);
|
|
return 0; /* Already done by another thread? */
|
|
}
|
|
|
|
LoadDLLinitfunc (wsock32)
|
|
{
|
|
extern void wsock_init ();
|
|
HANDLE h;
|
|
|
|
if ((h = LoadLibrary ("wsock32.dll")) != NULL)
|
|
wsock32_handle = h;
|
|
else if (!wsock32_handle)
|
|
api_fatal ("could not load wsock32.dll. Is TCP/IP installed?");
|
|
else
|
|
return 0; /* Already done by another thread? */
|
|
|
|
if (!ws2_32_handle)
|
|
wsock_init ();
|
|
|
|
return 0;
|
|
}
|
|
|
|
LoadDLLinitfunc (ws2_32)
|
|
{
|
|
extern void wsock_init ();
|
|
HANDLE h;
|
|
|
|
if ((h = LoadLibrary ("ws2_32.dll")) == NULL)
|
|
return 0; /* Already done or not available. */
|
|
ws2_32_handle = h;
|
|
|
|
if (!wsock32_handle)
|
|
wsock_init ();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void dummy_autoload (void) __attribute__ ((unused));
|
|
static void
|
|
dummy_autoload (void)
|
|
{
|
|
LoadDLLinit (advapi32)
|
|
LoadDLLfunc (AddAccessAllowedAce, 16, advapi32)
|
|
LoadDLLfunc (AddAccessDeniedAce, 16, advapi32)
|
|
LoadDLLfunc (AddAce, 20, advapi32)
|
|
LoadDLLfunc (AdjustTokenPrivileges, 24, advapi32)
|
|
LoadDLLfunc (CopySid, 12, advapi32)
|
|
LoadDLLfunc (CreateProcessAsUserA, 44, advapi32)
|
|
LoadDLLfuncEx (CryptAcquireContextA, 20, advapi32, 1)
|
|
LoadDLLfuncEx (CryptGenRandom, 12, advapi32, 1)
|
|
LoadDLLfuncEx (CryptReleaseContext, 8, advapi32, 1)
|
|
LoadDLLfunc (DeregisterEventSource, 4, advapi32)
|
|
LoadDLLfunc (EqualSid, 8, advapi32)
|
|
LoadDLLfunc (GetAce, 12, advapi32)
|
|
LoadDLLfunc (GetFileSecurityA, 20, advapi32)
|
|
LoadDLLfunc (GetLengthSid, 4, advapi32)
|
|
LoadDLLfunc (GetSecurityDescriptorDacl, 16, advapi32)
|
|
LoadDLLfunc (GetSecurityDescriptorGroup, 12, advapi32)
|
|
LoadDLLfunc (GetSecurityDescriptorOwner, 12, advapi32)
|
|
LoadDLLfunc (GetSidIdentifierAuthority, 4, advapi32)
|
|
LoadDLLfunc (GetSidSubAuthority, 8, advapi32)
|
|
LoadDLLfunc (GetSidSubAuthorityCount, 4, advapi32)
|
|
LoadDLLfunc (GetTokenInformation, 20, advapi32)
|
|
LoadDLLfunc (GetUserNameA, 8, advapi32)
|
|
LoadDLLfunc (ImpersonateLoggedOnUser, 4, advapi32)
|
|
LoadDLLfunc (InitializeAcl, 12, advapi32)
|
|
LoadDLLfunc (InitializeSecurityDescriptor, 8, advapi32)
|
|
LoadDLLfunc (InitializeSid, 12, advapi32)
|
|
LoadDLLfunc (IsValidSid, 4, advapi32)
|
|
LoadDLLfunc (LogonUserA, 24, advapi32)
|
|
LoadDLLfunc (LookupAccountNameA, 28, advapi32)
|
|
LoadDLLfunc (LookupAccountSidA, 28, advapi32)
|
|
LoadDLLfunc (LookupPrivilegeValueA, 12, advapi32)
|
|
LoadDLLfunc (MakeSelfRelativeSD, 12, advapi32)
|
|
LoadDLLfunc (OpenProcessToken, 12, advapi32)
|
|
LoadDLLfunc (RegCloseKey, 4, advapi32)
|
|
LoadDLLfunc (RegCreateKeyExA, 36, advapi32)
|
|
LoadDLLfunc (RegDeleteKeyA, 8, advapi32)
|
|
LoadDLLfunc (RegDeleteValueA, 8, advapi32)
|
|
LoadDLLfunc (RegLoadKeyA, 12, advapi32)
|
|
LoadDLLfunc (RegEnumKeyExA, 32, advapi32)
|
|
LoadDLLfunc (RegEnumValueA, 32, advapi32)
|
|
LoadDLLfunc (RegOpenKeyExA, 20, advapi32)
|
|
LoadDLLfunc (RegQueryValueExA, 24, advapi32)
|
|
LoadDLLfunc (RegSetValueExA, 24, advapi32)
|
|
LoadDLLfunc (RegisterEventSourceA, 8, advapi32)
|
|
LoadDLLfunc (ReportEventA, 36, advapi32)
|
|
LoadDLLfunc (RevertToSelf, 0, advapi32)
|
|
LoadDLLfunc (SetKernelObjectSecurity, 12, advapi32)
|
|
LoadDLLfunc (SetSecurityDescriptorDacl, 16, advapi32)
|
|
LoadDLLfunc (SetSecurityDescriptorGroup, 12, advapi32)
|
|
LoadDLLfunc (SetSecurityDescriptorOwner, 12, advapi32)
|
|
|
|
LoadDLLinit (netapi32)
|
|
LoadDLLfunc (NetWkstaUserGetInfo, 12, netapi32)
|
|
LoadDLLfunc (NetUserGetInfo, 16, netapi32)
|
|
LoadDLLfunc (NetApiBufferFree, 4, netapi32)
|
|
|
|
LoadDLLinit (ntdll)
|
|
LoadDLLfuncEx (NtMapViewOfSection, 40, ntdll, 1)
|
|
LoadDLLfuncEx (NtOpenSection, 12, ntdll, 1)
|
|
LoadDLLfuncEx (NtQuerySystemInformation, 16, ntdll, 1)
|
|
LoadDLLfuncEx (NtUnmapViewOfSection, 8, ntdll, 1)
|
|
LoadDLLfuncEx (RtlInitUnicodeString, 8, ntdll, 1)
|
|
LoadDLLfuncEx (RtlNtStatusToDosError, 4, ntdll, 1)
|
|
LoadDLLfuncEx (ZwQuerySystemInformation, 16, ntdll, 1)
|
|
|
|
LoadDLLinit (user32)
|
|
LoadDLLfunc (CharToOemBuffA, 12, user32)
|
|
LoadDLLfunc (CloseClipboard, 0, user32)
|
|
LoadDLLfunc (CreateWindowExA, 48, user32)
|
|
LoadDLLfunc (DefWindowProcA, 16, user32)
|
|
LoadDLLfunc (DispatchMessageA, 4, user32)
|
|
LoadDLLfunc (FindWindowA, 8, user32)
|
|
LoadDLLfunc (GetClipboardData, 4, user32)
|
|
LoadDLLfunc (GetMessageA, 16, user32)
|
|
LoadDLLfunc (GetProcessWindowStation, 0, user32)
|
|
LoadDLLfunc (GetThreadDesktop, 4, user32)
|
|
LoadDLLfunc (GetUserObjectInformationA, 20, user32)
|
|
LoadDLLfunc (KillTimer, 8, user32)
|
|
LoadDLLfunc (MessageBoxA, 16, user32)
|
|
LoadDLLfunc (MsgWaitForMultipleObjects, 20, user32)
|
|
LoadDLLfunc (OemToCharBuffA, 12, user32)
|
|
LoadDLLfunc (OpenClipboard, 4, user32)
|
|
LoadDLLfunc (PeekMessageA, 20, user32)
|
|
LoadDLLfunc (PostMessageA, 16, user32)
|
|
LoadDLLfunc (PostQuitMessage, 4, user32)
|
|
LoadDLLfunc (RegisterClassA, 4, user32)
|
|
LoadDLLfunc (SendMessageA, 16, user32)
|
|
LoadDLLfunc (SetTimer, 16, user32)
|
|
LoadDLLfunc (SetUserObjectSecurity, 12, user32)
|
|
|
|
LoadDLLinit (wsock32)
|
|
LoadDLLfunc (WSAAsyncSelect, 16, wsock32)
|
|
LoadDLLfunc (WSACleanup, 0, wsock32)
|
|
LoadDLLfunc (WSAGetLastError, 0, wsock32)
|
|
LoadDLLfunc (WSASetLastError, 4, wsock32)
|
|
LoadDLLfunc (WSAStartup, 8, wsock32)
|
|
LoadDLLfunc (__WSAFDIsSet, 8, wsock32)
|
|
LoadDLLfunc (accept, 12, wsock32)
|
|
LoadDLLfunc (bind, 12, wsock32)
|
|
LoadDLLfunc (closesocket, 4, wsock32)
|
|
LoadDLLfunc (connect, 12, wsock32)
|
|
LoadDLLfunc (gethostbyaddr, 12, wsock32)
|
|
LoadDLLfunc (gethostbyname, 4, wsock32)
|
|
LoadDLLfunc (gethostname, 8, wsock32)
|
|
LoadDLLfunc (getpeername, 12, wsock32)
|
|
LoadDLLfunc (getprotobyname, 4, wsock32)
|
|
LoadDLLfunc (getprotobynumber, 4, wsock32)
|
|
LoadDLLfunc (getservbyname, 8, wsock32)
|
|
LoadDLLfunc (getservbyport, 8, wsock32)
|
|
LoadDLLfunc (getsockname, 12, wsock32)
|
|
LoadDLLfunc (getsockopt, 20, wsock32)
|
|
LoadDLLfunc (inet_addr, 4, wsock32)
|
|
LoadDLLfunc (inet_network, 4, wsock32)
|
|
LoadDLLfunc (inet_ntoa, 4, wsock32)
|
|
LoadDLLfunc (ioctlsocket, 12, wsock32)
|
|
LoadDLLfunc (listen, 8, wsock32)
|
|
LoadDLLfunc (rcmd, 24, wsock32)
|
|
LoadDLLfunc (recv, 16, wsock32)
|
|
LoadDLLfunc (recvfrom, 24, wsock32)
|
|
LoadDLLfunc (rexec, 24, wsock32)
|
|
LoadDLLfunc (rresvport, 4, wsock32)
|
|
LoadDLLfunc (select, 20, wsock32)
|
|
LoadDLLfunc (send, 16, wsock32)
|
|
LoadDLLfunc (sendto, 24, wsock32)
|
|
LoadDLLfunc (setsockopt, 20, wsock32)
|
|
LoadDLLfunc (shutdown, 8, wsock32)
|
|
LoadDLLfunc (socket, 12, wsock32)
|
|
|
|
LoadDLLinit (ws2_32)
|
|
LoadDLLfuncEx (WSADuplicateSocketA, 12, ws2_32, 1)
|
|
LoadDLLfuncEx (WSASocketA, 24, ws2_32, 1)
|
|
}
|
|
}
|