mirror of
https://github.com/fail0verflow/switch-coreboot.git
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0f7316cbfc
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://coreboot.org/repository/LinuxBIOSv3@148 f3766cd6-281f-0410-b1cd-43a5c92072e9
100 lines
2.4 KiB
C
100 lines
2.4 KiB
C
/*
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* lar - LinuxBIOS archiver
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*
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* Copyright (C) 2006 coresystems GmbH
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* Written by Stefan Reinauer <stepan@coresystems.de> for coresystems GmbH
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <netinet/in.h>
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#include "lib.h"
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#include "lar.h"
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int list_lar(int argc, char *argv[])
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{
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int archivefile;
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char *archivename;
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char *inmap;
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char *walk;
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char *fullname;
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struct lar_header *header;
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struct stat statbuf;
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int archivelen;
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int do_extract;
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int i;
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archivename = argv[2];
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if (stat(archivename, &statbuf) != 0) {
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printf("Error opening %s: %s\n", archivename, strerror(errno));
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exit(1);
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}
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printf("Opening %s\n", archivename);
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archivefile = open(archivename, O_RDONLY);
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if (archivefile == -1) {
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printf("Error while opening %s: %s\n",
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archivename, strerror(errno));
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exit(1);
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}
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archivelen = statbuf.st_size;
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inmap = mmap(NULL, statbuf.st_size, PROT_READ,
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MAP_SHARED, archivefile, 0);
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for (walk = inmap; walk < inmap + statbuf.st_size; walk += 16) {
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if (strcmp(walk, MAGIC) != 0)
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continue;
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header = (struct lar_header *)walk;
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fullname = walk + sizeof(struct lar_header);
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do_extract = 1;
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if (argc > 3) {
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do_extract = 0;
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for (i = 3; i < argc; i++) {
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if (strcmp(fullname, argv[i]) == 0) {
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do_extract = 1;
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break;
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}
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}
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}
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/* Don't extract this one, skip it. */
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if (!do_extract)
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continue;
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printf(" %s ", walk + sizeof(struct lar_header));
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printf("(%d bytes @0x%x)\n", ntohl(header->len),
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(walk - inmap) + ntohl(header->offset));
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}
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munmap(inmap, statbuf.st_size);
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close(archivefile);
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printf("done.\n");
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return 0;
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}
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