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Initial release of the Cygwin subauthentication DLL. 

* ChangeLog: New file.
        * Makefile.in: Ditto.
        * configure: Ditto. Generated from configure.in.
        * configure.in: Ditto.
        * cygsuba.c: Ditto.
        * cygsuba.din: Ditto.
This commit is contained in:
Corinna Vinschen 2001-05-04 13:19:37 +00:00
parent 3c1fb7ac9d
commit af16358f88
6 changed files with 1588 additions and 0 deletions
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9
winsup/subauth/ChangeLog Normal file
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Fri May 4 15:06:00 Corinna Vinschen <corinna@vinschen.de>
Initial release of the Cygwin subauthentication DLL.
* ChangeLog: New file.
* Makefile.in: Ditto.
* configure: Ditto. Generated from configure.in.
* configure.in: Ditto.
* cygsuba.c: Ditto.
* cygsuba.din: Ditto.

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# Copyright (c) 2001, Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# A copy of the GNU General Public License can be found at
# http://www.gnu.org/
#
# Written by Corinna Vinschen <vinschen@redhat.de>
#
# Makefile for Cygwin subauthentication DLL.
SHELL := @SHELL@
srcdir := @srcdir@
VPATH := @srcdir@
prefix := @prefix@
exec_prefix := @exec_prefix@
bindir := @bindir@
etcdir := $(exec_prefix)/etc
program_transform_name := @program_transform_name@
INSTALL := @INSTALL@
INSTALL_PROGRAM := @INSTALL_PROGRAM@
INSTALL_DATA := @INSTALL_DATA@
CC := @CC@
CC_FOR_TARGET := $(CC)
CFLAGS := @CFLAGS@ -nostdinc
include $(srcdir)/../Makefile.common
WIN32_COMMON := -mno-cygwin
WIN32_INCLUDES := -I. -I$(srcdir) -I$(w32api_include)
WIN32_CFLAGS := $(CFLAGS) $(WIN32_COMMON) $(WIN32_INCLUDES)
WIN32_LDFLAGS := $(CFLAGS) $(WIN32_COMMON) -L$(mingw_build) -nostdlib -Wl,-shared
STARTFILE := $(mingw_build)/dllcrt2.o
LIBS := -lmingw32 -lkernel32
DLL := cygsuba.dll
DEF_FILE:= cygsuba.def
OBJ = cygsuba.o
.SUFFIXES:
.NOEXPORT:
all: Makefile $(DLL)
$(DEF_FILE): cygsuba.din config.status
$(SHELL) config.status
$(DLL): $(OBJ) $(DEF_FILE)
ifdef VERBOSE
$(CC) -s $(WIN32_LDFLAGS) -o $@ $(DEF_FILE) $(STARTFILE) $(OBJ) $(LIBS)
else
@echo $(CC) .. -o $@ $(OBJ)
@$(CC) -s $(WIN32_LDFLAGS) -o $@ $(DEF_FILE) $(STARTFILE) $(OBJ) $(LIBS)
endif
.PHONY: all install clean realclean
realclean: clean
rm -f Makefile config.cache
clean:
rm *.o *.dll
install: all
$(SHELL) $(updir1)/mkinstalldirs $(bindir)
for i in $(PROGS) ; do \
n=`echo $$i | sed '$(program_transform_name)'`; \
$(INSTALL_PROGRAM) $$i $(bindir)/$$n; \
done
%.o: %.c
ifdef VERBOSE
$(CC) $(WIN32_CFLAGS) -c -o $@ $<
else
@echo $(CC) -c $(CFLAGS) ... $(<F)
@$(CC) $(WIN32_CFLAGS) -c -o $@ $<
endif

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winsup/subauth/configure vendored Executable file
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dnl Copyright (c) 2001, Red Hat, Inc.
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl
dnl A copy of the GNU General Public License can be found at
dnl http://www.gnu.org/
dnl
dnl Written by Christopher Faylor <cgf@redhat.com>
dnl Changed for subauth subdir by Corinna Vinschen <vinschen@redhat.com>
dnl Autoconf configure script for Cygwin utilities.
dnl
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.12)
AC_INIT(Makefile.in)
dnl FIXME: We temporarily define our own version of AC_PROG_CC. This is
dnl copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
dnl are probably using a cross compiler, which will not be able to fully
dnl link an executable. This should really be fixed in autoconf
dnl itself.
AC_DEFUN(LIB_AC_PROG_CC,
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
AC_CHECK_PROG(CC, gcc, gcc)
if test -z "$CC"; then
AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
fi
AC_PROG_CC_GNU
if test $ac_cv_prog_gcc = yes; then
GCC=yes
dnl Check whether -g works, even if CFLAGS is set, in case the package
dnl plays around with CFLAGS (such as to build both debugging and
dnl normal versions of a library), tasteless as that idea is.
ac_test_CFLAGS="${CFLAGS+set}"
ac_save_CFLAGS="$CFLAGS"
CFLAGS=
AC_PROG_CC_G
if test "$ac_test_CFLAGS" = set; then
CFLAGS="$ac_save_CFLAGS"
elif test $ac_cv_prog_cc_g = yes; then
CFLAGS="-g -O2"
else
CFLAGS="-O2"
fi
else
GCC=
test "${CFLAGS+set}" = set || CFLAGS="-g"
fi
])
AC_DEFUN(LIB_AC_PROG_CXX,
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
AC_CHECK_TOOL(CXX, g++, g++)
if test -z "$CXX"; then
AC_CHECK_PROG(CXX, c++, c++, , , )
test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
fi
CXXFLAGS='$(CFLAGS)'
])
AC_CANONICAL_SYSTEM
LIB_AC_PROG_CC
LIB_AC_PROG_CXX
AC_ARG_PROGRAM
if test "x$cross_compiling" = "xyes"; then
if test "x$program_transform_name" = "xs,x,x,"; then
program_transform_name=""
fi
if test "x$program_transform_name" = "x"; then
program_transform_name="s,^,$host-,"
else
program_transform_name="$program_transform_name -e s,^,$host-,"
fi
fi
AC_PROG_INSTALL
AC_OUTPUT(Makefile cygsuba.def:cygsuba.din)

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/* cygsuba.c: Minimal subauthentication functionality to support
logon without password.
Copyright 2001 Red Hat, Inc.
Written by Corinna Vinschen <vinschen@redhat.com>
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 <windows.h>
#include <subauth.h>
#include <ntsecapi.h>
NTSTATUS NTAPI
Msv1_0SubAuthenticationRoutine (NETLOGON_LOGON_INFO_CLASS logon_level,
VOID *logon_inf,
ULONG flags,
USER_ALL_INFORMATION *usr_inf,
ULONG *which,
ULONG *usr_flags,
BOOLEAN *auth,
LARGE_INTEGER *logoff,
LARGE_INTEGER *kickoff)
{
ULONG valid_account = USER_NORMAL_ACCOUNT;
if (!(flags & MSV1_0_PASSTHRU))
valid_account |= USER_TEMP_DUPLICATE_ACCOUNT;
*which = *usr_flags = 0;
/* Not a Network logon?
TODO: How do I manage an interactive logon using a subauthentication
package??? The logon_level "interactive" is available but I never
got it working. I assume that's the reason I don't get a legal
logon session so that I can connect to network drives. */
if (logon_level != NetlogonNetworkInformation)
{
*auth = TRUE;
return STATUS_INVALID_INFO_CLASS;
}
/* Account type ok? */
if (!(usr_inf->UserAccountControl & valid_account))
{
*auth = FALSE;
return STATUS_NO_SUCH_USER;
}
/* Guest logon? */
if (flags & MSV1_0_GUEST_LOGON)
*usr_flags = LOGON_GUEST;
#if defined (SSHD)
/* The same code could be used to allow the DLL checking for
SSH RSA/DSA keys. For that purpose, SSH would need it's
own implementation with the below field used to transport
the keys which have to be checked. This could be used to
allow secure logon with RSA/DSA instead of passwords.
Of course that needs lots of additions to the code... */
{
PNETLOGON_NETWORK_INFO nw_inf = (PNETLOGON_NETWORK_INFO) logon_inf;
/*
nw_inf->LmChallenge.data <=>
MSV1_0_LM20_LOGON::ChallengeToClient
nw_inf->NtChallengeResponse <=>
MSV1_0_LM20_LOGON::CaseSensitiveChallengeResponse
nw_inf->LmChallengeResponse <=>
MSV1_0_LM20_LOGON::CaseInsensitiveChallengeResponse
*/
if (authentication_failed)
{
*auth = (usr_inf->UserAccountControl & USER_ACCOUNT_DISABLED) ?
FALSE : TRUE;
return STATUS_WRONG_PASSWORD;
}
}
#endif
/* All accounts except for the local admin are checked for being
locked out or disabled or expired. */
if (usr_inf->UserId != DOMAIN_USER_RID_ADMIN)
{
SYSTEMTIME CurrentTime;
LARGE_INTEGER LogonTime;
/* Account locked out? */
if (usr_inf->UserAccountControl & USER_ACCOUNT_AUTO_LOCKED)
{
*auth = (usr_inf->UserAccountControl & USER_ACCOUNT_DISABLED) ?
FALSE : TRUE;
return STATUS_ACCOUNT_LOCKED_OUT;
}
/* Account disabled? */
if (usr_inf->UserAccountControl & USER_ACCOUNT_DISABLED)
{
*auth = FALSE;
return STATUS_ACCOUNT_DISABLED;
}
/* Account expired? */
GetSystemTime (&CurrentTime);
SystemTimeToFileTime(&CurrentTime, (LPFILETIME) &LogonTime);
if (usr_inf->AccountExpires.QuadPart &&
LogonTime.QuadPart >= usr_inf->AccountExpires.QuadPart)
{
*auth = TRUE;
return STATUS_ACCOUNT_EXPIRED;
}
}
/* Don't force logout. */
logoff->HighPart = 0x7FFFFFFF;
logoff->LowPart = 0xFFFFFFFF;
kickoff->HighPart = 0x7FFFFFFF;
kickoff->LowPart = 0xFFFFFFFF;
*auth = TRUE;
return STATUS_SUCCESS;
}
NTSTATUS NTAPI
Msv1_0SubAuthenticationFilter (NETLOGON_LOGON_INFO_CLASS logon_level,
VOID *logon_inf,
ULONG flags,
USER_ALL_INFORMATION *usr_inf,
ULONG *which,
ULONG *usr_flags,
BOOLEAN *auth,
LARGE_INTEGER *logoff,
LARGE_INTEGER *kickoff)
{
return Msv1_0SubAuthenticationRoutine (logon_level, logon_inf, flags,
usr_inf, which, usr_flags,
auth, logoff, kickoff);
}

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LIBRARY "cygsuba"
EXPORTS
Msv1_0SubAuthenticationRoutine = Msv1_0SubAuthenticationRoutine@36
Msv1_0SubAuthenticationFilter = Msv1_0SubAuthenticationFilter@36