msv1_0: Add a Unix library to support ntlm_auth.

Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/msv1_0/Makefile.in

@@ -3,4 +3,5 @@ MODULE    = msv1_0.dll
 EXTRADLLFLAGS = -mno-cygwin
 
 C_SRCS = \
-	main.c
+	main.c \
+	unixlib.c

dlls/msv1_0/main.c

@@ -32,9 +32,12 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(ntlm);
 
+static HINSTANCE instance;
 static ULONG ntlm_package_id;
 static LSA_DISPATCH_TABLE lsa_dispatch;
 
+const struct ntlm_funcs *ntlm_funcs = NULL;
+
 #define NTLM_CAPS \
     ( SECPKG_FLAG_INTEGRITY \
     | SECPKG_FLAG_PRIVACY \
@@ -75,6 +78,12 @@ static NTSTATUS NTAPI ntlm_LsaApInitializePackage( ULONG package_id, LSA_DISPATC
     TRACE( "%08x, %p, %s, %s, %p\n", package_id, dispatch, debugstr_as(database), debugstr_as(confidentiality),
            package_name );
 
+    if (!ntlm_funcs && __wine_init_unix_lib( instance, DLL_PROCESS_ATTACH, NULL, &ntlm_funcs ))
+    {
+        ERR( "no NTLM support, expect problems\n" );
+        return STATUS_UNSUCCESSFUL;
+    }
+
     if (!(str = dispatch->AllocateLsaHeap( sizeof(*str) + sizeof("NTLM" )))) return STATUS_NO_MEMORY;
     ptr = (char *)(str + 1);
     memcpy( ptr, "NTLM", sizeof("NTLM") );
@@ -90,7 +99,13 @@ static NTSTATUS NTAPI ntlm_LsaApInitializePackage( ULONG package_id, LSA_DISPATC
 static NTSTATUS NTAPI ntlm_SpInitialize( ULONG_PTR package_id, SECPKG_PARAMETERS *params,
                                          LSA_SECPKG_FUNCTION_TABLE *lsa_function_table )
 {
-    FIXME( "%lu, %p, %p\n", package_id, params, lsa_function_table );
+    TRACE( "%lu, %p, %p\n", package_id, params, lsa_function_table );
+
+    if (!ntlm_funcs && __wine_init_unix_lib( instance, DLL_PROCESS_ATTACH, NULL, &ntlm_funcs ))
+    {
+        ERR( "no NTLM support, expect problems\n" );
+        return STATUS_UNSUCCESSFUL;
+    }
     return STATUS_SUCCESS;
 }
 
@@ -186,3 +201,17 @@ NTSTATUS NTAPI SpUserModeInitialize( ULONG lsa_version, ULONG *package_version,
     *table_count = 1;
     return STATUS_SUCCESS;
 }
+
+BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, void *reserved )
+{
+    switch (reason)
+    {
+    case DLL_PROCESS_ATTACH:
+        instance = hinst;
+        DisableThreadLibraryCalls( hinst );
+        break;
+    case DLL_PROCESS_DETACH:
+        break;
+    }
+    return TRUE;
+}

dlls/msv1_0/msv1_0.spec

@@ -1,4 +1,4 @@
-@ stub DllMain
+@ stdcall -private DllMain(long long ptr)
 @ stub LsaApCallPackage
 @ stub LsaApCallPackagePassthrough
 @ stub LsaApCallPackageUntrusted

dlls/msv1_0/unixlib.c

@@ -0,0 +1,185 @@
+/*
+ * Unix interface for ntlm_auth
+ *
+ * Copyright 2005, 2006 Kai Blin
+ * Copyright 2021 Hans Leidekker for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#if 0
+#pragma makedep unix
+#endif
+
+#include <stdarg.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/wait.h>
+#include "ntstatus.h"
+#define WIN32_NO_STATUS
+#include "windef.h"
+#include "winternl.h"
+#include "winbase.h"
+#include "sspi.h"
+
+#include "wine/debug.h"
+#include "unixlib.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(ntlm);
+WINE_DECLARE_DEBUG_CHANNEL(winediag);
+
+static void CDECL ntlm_cleanup( struct ntlm_ctx *ctx )
+{
+    if (!ctx || (ctx->mode != MODE_CLIENT && ctx->mode != MODE_SERVER)) return;
+    ctx->mode = MODE_INVALID;
+
+    /* closing stdin will terminate ntlm_auth */
+    close( ctx->pipe_out );
+    close( ctx->pipe_in );
+
+    if (ctx->pid > 0) /* reap child */
+    {
+        pid_t ret;
+        do {
+            ret = waitpid( ctx->pid, NULL, 0 );
+        } while (ret < 0 && errno == EINTR);
+    }
+
+    RtlFreeHeap( GetProcessHeap(), 0, ctx->com_buf );
+    RtlFreeHeap( GetProcessHeap(), 0, ctx );
+}
+
+static SECURITY_STATUS CDECL ntlm_fork( char **argv, struct ntlm_ctx **ret_ctx )
+{
+    int pipe_in[2], pipe_out[2];
+    struct ntlm_ctx *ctx;
+
+#ifdef HAVE_PIPE2
+    if (pipe2( pipe_in, O_CLOEXEC ) < 0)
+#endif
+    {
+        if (pipe( pipe_in ) < 0 ) return SEC_E_INTERNAL_ERROR;
+        fcntl( pipe_in[0], F_SETFD, FD_CLOEXEC );
+        fcntl( pipe_in[1], F_SETFD, FD_CLOEXEC );
+    }
+#ifdef HAVE_PIPE2
+    if (pipe2( pipe_out, O_CLOEXEC ) < 0)
+#endif
+    {
+        if (pipe( pipe_out ) < 0)
+        {
+            close( pipe_in[0] );
+            close( pipe_in[1] );
+            return SEC_E_INTERNAL_ERROR;
+        }
+        fcntl( pipe_out[0], F_SETFD, FD_CLOEXEC );
+        fcntl( pipe_out[1], F_SETFD, FD_CLOEXEC );
+    }
+
+    if (!(ctx = RtlAllocateHeap( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ctx) )))
+    {
+        close( pipe_in[0] );
+        close( pipe_in[1] );
+        close( pipe_out[0] );
+        close( pipe_out[1] );
+        return SEC_E_INSUFFICIENT_MEMORY;
+    }
+
+    if (!(ctx->pid = fork())) /* child */
+    {
+        dup2( pipe_out[0], 0 );
+        close( pipe_out[0] );
+        close( pipe_out[1] );
+
+        dup2( pipe_in[1], 1 );
+        close( pipe_in[0] );
+        close( pipe_in[1] );
+
+        execvp( argv[0], argv );
+
+        write( 1, "BH\n", 3 );
+        _exit( 1 );
+    }
+    else
+    {
+        ctx->pipe_in = pipe_in[0];
+        close( pipe_in[1] );
+        ctx->pipe_out = pipe_out[1];
+        close( pipe_out[0] );
+        *ret_ctx = ctx;
+    }
+
+    return SEC_E_OK;
+}
+
+#define NTLM_AUTH_MAJOR_VERSION 3
+#define NTLM_AUTH_MINOR_VERSION 0
+#define NTLM_AUTH_MICRO_VERSION 25
+
+static BOOL check_version( void )
+{
+    struct ntlm_ctx *ctx;
+    char *argv[3], buf[80];
+    BOOL ret = FALSE;
+    int len;
+
+    argv[0] = (char *)"ntlm_auth";
+    argv[1] = (char *)"--version";
+    argv[2] = NULL;
+    if (ntlm_fork( argv, &ctx ) != SEC_E_OK) return FALSE;
+
+    if ((len = read( ctx->pipe_in, buf, sizeof(buf) - 1 )) > 8)
+    {
+        char *newline;
+        int major = 0, minor = 0, micro = 0;
+
+        if ((newline = memchr( buf, '\n', len ))) *newline = 0;
+        else buf[len] = 0;
+
+        if (sscanf( buf, "Version %d.%d.%d", &major, &minor, &micro ) == 3)
+        {
+            if (((major > NTLM_AUTH_MAJOR_VERSION) ||
+                 (major == NTLM_AUTH_MAJOR_VERSION && minor > NTLM_AUTH_MINOR_VERSION) ||
+                 (major == NTLM_AUTH_MAJOR_VERSION && minor == NTLM_AUTH_MINOR_VERSION &&
+                  micro >= NTLM_AUTH_MICRO_VERSION)))
+            {
+                TRACE( "detected ntlm_auth version %d.%d.%d\n", major, minor, micro );
+                ret = TRUE;
+            }
+        }
+    }
+
+    if (!ret) ERR_(winediag)( "ntlm_auth was not found or is outdated. "
+                              "Make sure that ntlm_auth >= %d.%d.%d is in your path. "
+                              "Usually, you can find it in the winbind package of your distribution.\n",
+                              NTLM_AUTH_MAJOR_VERSION, NTLM_AUTH_MINOR_VERSION, NTLM_AUTH_MICRO_VERSION );
+    ntlm_cleanup( ctx );
+    return ret;
+}
+
+static const struct ntlm_funcs funcs =
+{
+    ntlm_cleanup,
+    ntlm_fork,
+};
+
+NTSTATUS CDECL __wine_init_unix_lib( HMODULE module, DWORD reason, const void *ptr_in, void *ptr_out )
+{
+    if (reason != DLL_PROCESS_ATTACH) return STATUS_SUCCESS;
+    if (!check_version()) return STATUS_DLL_NOT_FOUND;
+    *(const struct ntlm_funcs **)ptr_out = &funcs;
+    return STATUS_SUCCESS;
+}

dlls/msv1_0/unixlib.h

@@ -0,0 +1,97 @@
+/*
+ * Copyright 2005, 2006 Kai Blin
+ * Copyright 2021 Hans Leidekker for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <sys/types.h>
+
+enum sign_direction
+{
+    SIGN_SEND,
+    SIGN_RECV,
+};
+
+enum mode
+{
+    MODE_INVALID = -1,
+    MODE_CLIENT,
+    MODE_SERVER,
+};
+
+struct ntlm_cred
+{
+    enum mode mode;
+    char     *username_arg;
+    char     *domain_arg;
+    char     *password;
+    int       password_len;
+    int       no_cached_credentials; /* don't try to use cached Samba credentials */
+};
+
+struct arc4_info
+{
+    char x;
+    char y;
+    char state[256];
+};
+
+#define FLAG_NEGOTIATE_SIGN         0x00000010
+#define FLAG_NEGOTIATE_SEAL         0x00000020
+#define FLAG_NEGOTIATE_ALWAYS_SIGN  0x00008000
+#define FLAG_NEGOTIATE_NTLM2        0x00080000
+#define FLAG_NEGOTIATE_KEY_EXCHANGE 0x40000000
+
+struct ntlm_ctx
+{
+    enum mode    mode;
+    int          pid;
+    unsigned int attrs;
+    int          pipe_in;
+    int          pipe_out;
+    char        *com_buf;
+    unsigned int com_buf_size;
+    unsigned int com_buf_offset;
+    char         session_key[16];
+    unsigned int flags;
+    struct
+    {
+        struct
+        {
+            unsigned int seq_no;
+            struct arc4_info arc4info;
+        } ntlm;
+        struct
+        {
+            char send_sign_key[16];
+            char send_seal_key[16];
+            char recv_sign_key[16];
+            char recv_seal_key[16];
+            unsigned int send_seq_no;
+            unsigned int recv_seq_no;
+            struct arc4_info send_arc4info;
+            struct arc4_info recv_arc4info;
+        } ntlm2;
+    } crypt;
+};
+
+struct ntlm_funcs
+{
+    void (CDECL *cleanup)( struct ntlm_ctx * );
+    SECURITY_STATUS (CDECL *fork)( char **, struct ntlm_ctx ** );
+};
+
+extern const struct ntlm_funcs *ntlm_funcs;