/* * GRUB -- GRand Unified Bootloader * Copyright (C) 2010,2012,2013 Free Software Foundation, Inc. * * GRUB 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 3 of the License, or * (at your option) any later version. * * GRUB 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GRUB. If not, see <http://www.gnu.org/licenses/>. */ #include <config.h> #include <grub/util/misc.h> #include <grub/util/install.h> #include <grub/i18n.h> #include <grub/term.h> #include <grub/macho.h> #define _GNU_SOURCE 1 #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <errno.h> static void write_fat (FILE *in32, FILE *in64, FILE *out, const char *out_filename, const char *name32, const char *name64) { struct grub_macho_fat_header head; struct grub_macho_fat_arch arch32, arch64; grub_uint32_t size32, size64; char *buf; fseek (in32, 0, SEEK_END); size32 = ftell (in32); fseek (in32, 0, SEEK_SET); fseek (in64, 0, SEEK_END); size64 = ftell (in64); fseek (in64, 0, SEEK_SET); head.magic = grub_cpu_to_le32_compile_time (GRUB_MACHO_FAT_EFI_MAGIC); head.nfat_arch = grub_cpu_to_le32_compile_time (2); arch32.cputype = grub_cpu_to_le32_compile_time (GRUB_MACHO_CPUTYPE_IA32); arch32.cpusubtype = grub_cpu_to_le32_compile_time (3); arch32.offset = grub_cpu_to_le32_compile_time (sizeof (head) + sizeof (arch32) + sizeof (arch64)); arch32.size = grub_cpu_to_le32 (size32); arch32.align = 0; arch64.cputype = grub_cpu_to_le32_compile_time (GRUB_MACHO_CPUTYPE_AMD64); arch64.cpusubtype = grub_cpu_to_le32_compile_time (3); arch64.offset = grub_cpu_to_le32 (sizeof (head) + sizeof (arch32) + sizeof (arch64) + size32); arch64.size = grub_cpu_to_le32 (size64); arch64.align = 0; if (fwrite (&head, 1, sizeof (head), out) != sizeof (head) || fwrite (&arch32, 1, sizeof (arch32), out) != sizeof (arch32) || fwrite (&arch64, 1, sizeof (arch64), out) != sizeof (arch64)) { if (out_filename) grub_util_error ("cannot write to `%s': %s", out_filename, strerror (errno)); else grub_util_error ("cannot write to the stdout: %s", strerror (errno)); } buf = xmalloc (size32); if (fread (buf, 1, size32, in32) != size32) grub_util_error (_("cannot read `%s': %s"), name32, strerror (errno)); if (fwrite (buf, 1, size32, out) != size32) { if (out_filename) grub_util_error ("cannot write to `%s': %s", out_filename, strerror (errno)); else grub_util_error ("cannot write to the stdout: %s", strerror (errno)); } free (buf); buf = xmalloc (size64); if (fread (buf, 1, size64, in64) != size64) grub_util_error (_("cannot read `%s': %s"), name64, strerror (errno)); if (fwrite (buf, 1, size64, out) != size64) { if (out_filename) grub_util_error ("cannot write to `%s': %s", out_filename, strerror (errno)); else grub_util_error ("cannot write to the stdout: %s", strerror (errno)); } free (buf); } void grub_util_glue_efi (const char *file32, const char *file64, const char *outname) { FILE *in32, *in64, *out; in32 = grub_util_fopen (file32, "r"); if (!in32) grub_util_error (_("cannot open `%s': %s"), file32, strerror (errno)); in64 = grub_util_fopen (file64, "r"); if (!in64) grub_util_error (_("cannot open `%s': %s"), file64, strerror (errno)); if (outname) out = grub_util_fopen (outname, "wb"); else out = stdout; if (!out) { grub_util_error (_("cannot open `%s': %s"), outname ? : "stdout", strerror (errno)); } write_fat (in32, in64, out, outname, file32, file64); fclose (in32); fclose (in64); if (out != stdout) fclose (out); }