--- /dev/null
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2003 Lars Munch Christensen - All Rights Reserved
+ * Copyright 1998-2004 H. Peter Anvin - All Rights Reserved
+ *
+ * Based on the Linux installer program for SYSLINUX by H. Peter Anvin
+ *
+ * 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, Inc., 53 Temple Place Ste 330,
+ * Boston MA 02111-1307, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * syslinux-mingw.c - Win2k/WinXP installer program for SYSLINUX
+ */
+
+#include <windows.h>
+#include <stdio.h>
+#include <ctype.h>
+
+#include "syslinux.h"
+#include "libfat.h"
+
+#ifdef __GNUC__
+# define noreturn void __attribute__((noreturn))
+#else
+# define noreturn void
+#endif
+
+void error(char* msg);
+
+/* Begin stuff for MBR code */
+
+#include <winioctl.h>
+
+#define SECTOR_SIZE 512
+#define PART_TABLE 0x1be
+#define PART_SIZE 0x10
+#define PART_COUNT 4
+#define PART_ACTIVE 0x80
+
+// The following struct should be in the ntddstor.h file, but I didn't have it.
+// TODO: Make this a conditional compilation
+typedef struct _STORAGE_DEVICE_NUMBER {
+ DEVICE_TYPE DeviceType;
+ ULONG DeviceNumber;
+ ULONG PartitionNumber;
+} STORAGE_DEVICE_NUMBER, *PSTORAGE_DEVICE_NUMBER;
+
+BOOL GetStorageDeviceNumberByHandle( HANDLE handle, const STORAGE_DEVICE_NUMBER *sdn ) {
+ BOOL result = FALSE;
+ DWORD count;
+
+ if ( DeviceIoControl( handle, IOCTL_STORAGE_GET_DEVICE_NUMBER, NULL,
+ 0, (LPVOID)sdn, sizeof( *sdn ), &count, NULL ) ) {
+ result = TRUE;
+ }
+ else {
+ error("GetDriveNumber: DeviceIoControl failed");
+ }
+
+ return( result );
+}
+
+int GetBytesPerSector( HANDLE drive ) {
+ int result = 0;
+ DISK_GEOMETRY g;
+ DWORD count;
+
+ if ( DeviceIoControl( drive, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0,
+ &g, sizeof( g ), &count, NULL ) ) {
+ result = g.BytesPerSector;
+ }
+
+ return( result );
+}
+
+BOOL FixMBR(int driveNum, int partitionNum, int write_mbr, int set_active) {
+ BOOL result = TRUE;
+ HANDLE drive;
+
+ char driveName[128];
+
+ sprintf( driveName, "\\\\.\\PHYSICALDRIVE%d", driveNum );
+
+ drive = CreateFile( driveName,
+ GENERIC_READ | GENERIC_WRITE,
+ FILE_SHARE_WRITE | FILE_SHARE_READ,
+ NULL,
+ OPEN_EXISTING,
+ 0,
+ NULL );
+
+ if( drive == INVALID_HANDLE_VALUE ) {
+ error("Accessing physical drive");
+ result = FALSE;
+ }
+
+ if( result ) {
+ unsigned char sector[SECTOR_SIZE];
+ DWORD howMany;
+
+ if( GetBytesPerSector( drive ) != SECTOR_SIZE ) {
+ fprintf(stderr, "Error: Sector size of this drive is %d; must be %d\n",
+ GetBytesPerSector( drive ), SECTOR_SIZE );
+ result = FALSE;
+ }
+
+ if ( result ) {
+ if ( ReadFile( drive, sector, sizeof( sector ), &howMany, NULL ) == 0 ) {
+ error("Reading raw drive");
+ result = FALSE;
+ } else if ( howMany != sizeof( sector ) ) {
+ fprintf(stderr, "Error: ReadFile on drive only got %d of %d bytes\n",
+ (int)howMany, sizeof( sector ) );
+ result = FALSE;
+ }
+ }
+
+ // Copy over the MBR code if specified (-m)
+ if ( write_mbr ) {
+ if ( result ) {
+ if ( syslinux_mbr_len >= PART_TABLE ) {
+ fprintf(stderr, "Error: MBR will not fit; not writing\n" );
+ result = FALSE;
+ } else {
+ memcpy( sector, syslinux_mbr, syslinux_mbr_len );
+ }
+ }
+ }
+
+ // Check that our partition is active if specified (-a)
+ if ( set_active ) {
+ if ( sector[ PART_TABLE + ( PART_SIZE * ( partitionNum - 1 ) ) ] != 0x80 ) {
+ int p;
+ for ( p = 0; p < PART_COUNT; p++ )
+ sector[ PART_TABLE + ( PART_SIZE * p ) ] = ( p == partitionNum - 1 ? 0x80 : 0 );
+ }
+ }
+
+ if ( result ) {
+ SetFilePointer( drive, 0, NULL, FILE_BEGIN );
+
+ if ( WriteFile( drive, sector, sizeof( sector ), &howMany, NULL ) == 0 ) {
+ error("Writing MBR");
+ result = FALSE;
+ } else if ( howMany != sizeof( sector ) ) {
+ fprintf(stderr, "Error: WriteFile on drive only wrote %d of %d bytes\n",
+ (int)howMany, sizeof( sector ) );
+ result = FALSE;
+ }
+ }
+
+ if( !CloseHandle( drive ) ) {
+ error("CloseFile on drive");
+ result = FALSE;
+ }
+ }
+
+ return( result );
+}
+
+/* End stuff for MBR code */
+
+const char *program; /* Name of program */
+const char *drive; /* Drive to install to */
+
+/*
+ * Check Windows version.
+ *
+ * On Windows Me/98/95 you cannot open a directory, physical disk, or
+ * volume using CreateFile.
+ */
+int checkver(void)
+{
+ OSVERSIONINFO osvi;
+
+ osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+ GetVersionEx(&osvi);
+
+ return (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT) &&
+ ((osvi.dwMajorVersion > 4) ||
+ ((osvi.dwMajorVersion == 4) && (osvi.dwMinorVersion == 0)));
+}
+
+/*
+ * Windows error function
+ */
+void error(char* msg)
+{
+ LPVOID lpMsgBuf;
+
+ /* Format the Windows error message */
+ FormatMessage(
+ FORMAT_MESSAGE_ALLOCATE_BUFFER |
+ FORMAT_MESSAGE_FROM_SYSTEM |
+ FORMAT_MESSAGE_IGNORE_INSERTS,
+ NULL, GetLastError(),
+ MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
+ (LPTSTR) &lpMsgBuf, 0, NULL );
+
+ /* Print it */
+ fprintf(stderr, "%s: %s", msg, (char*) lpMsgBuf);
+
+ /* Free the buffer */
+ LocalFree(lpMsgBuf);
+}
+
+/*
+ * Wrapper for ReadFile suitable for libfat
+ */
+int libfat_readfile(intptr_t pp, void *buf, size_t secsize, libfat_sector_t sector)
+{
+ uint64_t offset = (uint64_t)sector * secsize;
+ LONG loword = (LONG)offset;
+ LONG hiword = (LONG)(offset >> 32);
+ LONG hiwordx = hiword;
+ DWORD bytes_read;
+
+ if ( SetFilePointer((HANDLE)pp, loword, &hiwordx, FILE_BEGIN) != loword ||
+ hiword != hiwordx ||
+ !ReadFile((HANDLE)pp, buf, secsize, &bytes_read, NULL) ||
+ bytes_read != secsize ) {
+ fprintf(stderr, "Cannot read sector %u\n", sector);
+ exit(1);
+ }
+
+ return secsize;
+}
+
+noreturn usage(void)
+{
+ fprintf(stderr, "Usage: syslinux.exe [-sfma] <drive>: [bootsecfile]\n");
+ exit(1);
+}
+
+int main(int argc, char *argv[])
+{
+ HANDLE f_handle, d_handle;
+ DWORD bytes_read;
+ DWORD bytes_written;
+ DWORD drives;
+ UINT drive_type;
+
+ static unsigned char sectbuf[512];
+ char **argp, *opt;
+ static char drive_name[] = "\\\\.\\?:";
+ static char drive_root[] = "?:\\";
+ static char ldlinux_name[] = "?:\\ldlinux.sys" ;
+ const char *errmsg;
+ struct libfat_filesystem *fs;
+ libfat_sector_t s, *secp, sectors[65]; /* 65 is maximum possible */
+ uint32_t ldlinux_cluster;
+ int nsectors;
+ const char *bootsecfile = NULL;
+
+ int force = 0; /* -f (force) option */
+ int mbr = 0; /* -m (MBR) option */
+ int setactive = 0; /* -a (set partition active) */
+
+ (void)argc;
+
+ if (!checkver()) {
+ fprintf(stderr, "You need to be running at least Windows NT; use syslinux.com instead.\n");
+ exit(1);
+ }
+
+ program = argv[0];
+ drive = NULL;
+
+ for ( argp = argv+1 ; *argp ; argp++ ) {
+ if ( **argp == '-' ) {
+ opt = *argp + 1;
+ if ( !*opt )
+ usage();
+
+ while ( *opt ) {
+ switch ( *opt ) {
+ case 's': /* Use "safe, slow and stupid" code */
+ syslinux_make_stupid();
+ break;
+ case 'f': /* Force install */
+ force = 1;
+ break;
+ case 'm': /* Install MBR */
+ mbr = 1;
+ break;
+ case 'a': /* Mark this partition active */
+ setactive = 1;
+ break;
+ default:
+ usage();
+ break;
+ }
+ opt++;
+ }
+ } else {
+ if ( bootsecfile )
+ usage();
+ else if ( drive )
+ bootsecfile = *argp;
+ else
+ drive = *argp;
+ }
+ }
+
+ if ( !drive || !isalpha(drive[0]) || drive[1] != ':' || drive[2] )
+ usage();
+
+ /* Test if drive exists */
+ drives = GetLogicalDrives();
+ if(!(drives & ( 1 << (tolower(drive[0]) - 'a')))) {
+ fprintf(stderr, "No such drive %c:\n", drive[0]);
+ exit(1);
+ }
+
+ /* Determines the drive type */
+ drive_name[4] = drive[0];
+ ldlinux_name[0] = drive[0];
+ drive_root[0] = drive[0];
+ drive_type = GetDriveType(drive_root);
+
+ /* Test for removeable media */
+ if ((drive_type == DRIVE_FIXED) && (force == 0)) {
+ fprintf(stderr, "Not a removable drive (use -f to override) \n");
+ exit(1);
+ }
+
+ /* Test for unsupported media */
+ if ((drive_type != DRIVE_FIXED) && (drive_type != DRIVE_REMOVABLE)) {
+ fprintf(stderr, "Unsupported media\n");
+ exit(1);
+ }
+
+ /*
+ * First open the drive
+ */
+ d_handle = CreateFile(drive_name, GENERIC_READ | GENERIC_WRITE,
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
+ NULL, OPEN_EXISTING, 0, NULL );
+
+ if (d_handle == INVALID_HANDLE_VALUE) {
+ error("Could not open drive");
+ exit(1);
+ }
+
+ /*
+ * Make sure we can read the boot sector
+ */
+ if ( !ReadFile(d_handle, sectbuf, 512, &bytes_read, NULL) ) {
+ error("Reading boot sector");
+ exit(1);
+ }
+ if (bytes_read != 512) {
+ fprintf(stderr, "Could not read the whole boot sector\n");
+ exit(1);
+ }
+
+ /* Check to see that what we got was indeed an MS-DOS boot sector/superblock */
+ if( (errmsg = syslinux_check_bootsect(sectbuf)) ) {
+ fprintf(stderr, "%s\n", errmsg);
+ exit(1);
+ }
+
+ /* Change to normal attributes to enable deletion */
+ /* Just ignore error if the file do not exists */
+ SetFileAttributes(ldlinux_name, FILE_ATTRIBUTE_NORMAL);
+
+ /* Delete the file */
+ /* Just ignore error if the file do not exists */
+ DeleteFile(ldlinux_name);
+
+ /* Create ldlinux.sys file */
+ f_handle = CreateFile(ldlinux_name, GENERIC_READ | GENERIC_WRITE,
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
+ NULL, CREATE_ALWAYS,
+ FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_SYSTEM |
+ FILE_ATTRIBUTE_HIDDEN,
+ NULL );
+
+ if (f_handle == INVALID_HANDLE_VALUE) {
+ error("Unable to create ldlinux.sys");
+ exit(1);
+ }
+
+ /* Write ldlinux.sys file */
+ if (!WriteFile(f_handle, syslinux_ldlinux, syslinux_ldlinux_len, &bytes_written, NULL)) {
+ error("Could not write ldlinux.sys");
+ exit(1);
+ }
+
+ if (bytes_written != syslinux_ldlinux_len) {
+ fprintf(stderr, "Could not write whole ldlinux.sys\n");
+ exit(1);
+ }
+
+ /* Now flush the media */
+ if(!FlushFileBuffers(f_handle)) {
+ error("FlushFileBuffers failed");
+ exit(1);
+ }
+
+ /* Map the file (is there a better way to do this?) */
+ fs = libfat_open(libfat_readfile, (intptr_t)d_handle);
+ ldlinux_cluster = libfat_searchdir(fs, 0, "LDLINUX SYS", NULL);
+ secp = sectors;
+ nsectors = 0;
+ s = libfat_clustertosector(fs, ldlinux_cluster);
+ while ( s && nsectors < 65 ) {
+ *secp++ = s;
+ nsectors++;
+ s = libfat_nextsector(fs, s);
+ }
+ libfat_close(fs);
+
+ /*
+ * Patch ldlinux.sys and the boot sector
+ */
+ syslinux_patch(sectors, nsectors);
+
+ /*
+ * Rewrite the file
+ */
+ if ( SetFilePointer(f_handle, 0, NULL, FILE_BEGIN) != 0 ||
+ !WriteFile(f_handle, syslinux_ldlinux, syslinux_ldlinux_len, &bytes_written, NULL) ||
+ bytes_written != syslinux_ldlinux_len ) {
+ error("Could not write ldlinux.sys");
+ exit(1);
+ }
+
+ /* If desired, fix the MBR */
+ if( mbr || setactive ) {
+ STORAGE_DEVICE_NUMBER sdn;
+ if( GetStorageDeviceNumberByHandle( d_handle, &sdn ) ) {
+ if( !FixMBR(sdn.DeviceNumber, sdn.PartitionNumber, mbr, setactive) ) {
+ fprintf(stderr, "Did not successfully update the MBR; continuing...\n");
+ }
+ } else {
+ fprintf(stderr, "Could not find device number for updating MBR; continuing...\n");
+ }
+ }
+
+ /* Close file */
+ CloseHandle(f_handle);
+
+ /* Make the syslinux boot sector */
+ syslinux_make_bootsect(sectbuf);
+
+ /* Write the syslinux boot sector into the boot sector */
+ if ( bootsecfile ) {
+ f_handle = CreateFile(bootsecfile, GENERIC_READ | GENERIC_WRITE,
+ FILE_SHARE_READ | FILE_SHARE_WRITE,
+ NULL, CREATE_ALWAYS,
+ FILE_ATTRIBUTE_ARCHIVE,
+ NULL );
+ if (f_handle == INVALID_HANDLE_VALUE) {
+ error("Unable to create bootsector file");
+ exit(1);
+ }
+ if (!WriteFile(f_handle, sectbuf, 512, &bytes_written, NULL)) {
+ error("Could not write boot sector file");
+ exit(1);
+ }
+ CloseHandle(f_handle);
+ } else {
+ SetFilePointer(d_handle, 0, NULL, FILE_BEGIN);
+ WriteFile( d_handle, sectbuf, 512, &bytes_written, NULL ) ;
+ }
+
+ if(bytes_written != 512) {
+ fprintf(stderr, "Could not write the whole boot sector\n");
+ exit(1);
+ }
+
+ /* Close file */
+ CloseHandle(d_handle);
+
+ /* Done! */
+ return 0;
+}
git://git.onelab.eu / bootcd.git / blobdiff