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-rwxr-xr-xcontrib/syslinux/latest/mtools/syslinux.c370
1 files changed, 0 insertions, 370 deletions
diff --git a/contrib/syslinux/latest/mtools/syslinux.c b/contrib/syslinux/latest/mtools/syslinux.c
deleted file mode 100755
index ac189c6..0000000
--- a/contrib/syslinux/latest/mtools/syslinux.c
+++ /dev/null
@@ -1,370 +0,0 @@
-/* ----------------------------------------------------------------------- *
- *
- * Copyright 1998-2008 H. Peter Anvin - All Rights Reserved
- * Copyright 2010 Intel Corporation; author: 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.c - Linux installer program for SYSLINUX
- *
- * This program now requires mtools. It turned out to be a lot
- * easier to deal with than dealing with needing mount privileges.
- * We need device write permission anyway.
- */
-
-#define _GNU_SOURCE
-#include <alloca.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <getopt.h>
-#include <inttypes.h>
-#include <mntent.h>
-#include <paths.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <sysexits.h>
-#include <syslog.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-
-#include "syslinux.h"
-#include "libfat.h"
-#include "setadv.h"
-#include "syslxopt.h"
-
-char *program; /* Name of program */
-pid_t mypid;
-
-void __attribute__ ((noreturn)) die(const char *msg)
-{
- fprintf(stderr, "%s: %s\n", program, msg);
- exit(1);
-}
-
-void __attribute__ ((noreturn)) die_err(const char *msg)
-{
- fprintf(stderr, "%s: %s: %s\n", program, msg, strerror(errno));
- exit(1);
-}
-
-/*
- * read/write wrapper functions
- */
-ssize_t xpread(int fd, void *buf, size_t count, off_t offset)
-{
- char *bufp = (char *)buf;
- ssize_t rv;
- ssize_t done = 0;
-
- while (count) {
- rv = pread(fd, bufp, count, offset);
- if (rv == 0) {
- die("short read");
- } else if (rv == -1) {
- if (errno == EINTR) {
- continue;
- } else {
- die(strerror(errno));
- }
- } else {
- bufp += rv;
- offset += rv;
- done += rv;
- count -= rv;
- }
- }
-
- return done;
-}
-
-ssize_t xpwrite(int fd, const void *buf, size_t count, off_t offset)
-{
- const char *bufp = (const char *)buf;
- ssize_t rv;
- ssize_t done = 0;
-
- while (count) {
- rv = pwrite(fd, bufp, count, offset);
- if (rv == 0) {
- die("short write");
- } else if (rv == -1) {
- if (errno == EINTR) {
- continue;
- } else {
- die(strerror(errno));
- }
- } else {
- bufp += rv;
- offset += rv;
- done += rv;
- count -= rv;
- }
- }
-
- return done;
-}
-
-/*
- * Version of the read function suitable for libfat
- */
-int libfat_xpread(intptr_t pp, void *buf, size_t secsize,
- libfat_sector_t sector)
-{
- off_t offset = (off_t) sector * secsize + opt.offset;
- return xpread(pp, buf, secsize, offset);
-}
-
-int main(int argc, char *argv[])
-{
- static unsigned char sectbuf[SECTOR_SIZE];
- int dev_fd;
- struct stat st;
- int status;
- const char *tmpdir;
- char *mtools_conf;
- int mtc_fd;
- FILE *mtc, *mtp;
- struct libfat_filesystem *fs;
- libfat_sector_t s, *secp;
- libfat_sector_t *sectors;
- int32_t ldlinux_cluster;
- int nsectors;
- const char *errmsg;
- int ldlinux_sectors, patch_sectors;
- int i;
-
- (void)argc; /* Unused */
-
- mypid = getpid();
- program = argv[0];
-
- parse_options(argc, argv, MODE_SYSLINUX);
-
- if (!opt.device)
- usage(EX_USAGE, MODE_SYSLINUX);
-
- if (opt.sectors || opt.heads || opt.reset_adv || opt.set_once
- || (opt.update_only > 0) || opt.menu_save) {
- fprintf(stderr,
- "At least one specified option not yet implemented"
- " for this installer.\n");
- exit(1);
- }
-
- /*
- * Temp directory of choice...
- */
- tmpdir = getenv("TMPDIR");
- if (!tmpdir) {
-#ifdef P_tmpdir
- tmpdir = P_tmpdir;
-#elif defined(_PATH_TMP)
- tmpdir = _PATH_TMP;
-#else
- tmpdir = "/tmp";
-#endif
- }
-
- /*
- * First make sure we can open the device at all, and that we have
- * read/write permission.
- */
- dev_fd = open(opt.device, O_RDWR);
- if (dev_fd < 0 || fstat(dev_fd, &st) < 0) {
- die_err(opt.device);
- exit(1);
- }
-
- if (!opt.force && !S_ISBLK(st.st_mode) && !S_ISREG(st.st_mode)) {
- fprintf(stderr,
- "%s: not a block device or regular file (use -f to override)\n",
- opt.device);
- exit(1);
- }
-
- xpread(dev_fd, sectbuf, SECTOR_SIZE, opt.offset);
-
- /*
- * Check to see that what we got was indeed an MS-DOS boot sector/superblock
- */
- if ((errmsg = syslinux_check_bootsect(sectbuf))) {
- die(errmsg);
- }
-
- /*
- * Create an mtools configuration file
- */
- if (asprintf(&mtools_conf, "%s//syslinux-mtools-XXXXXX", tmpdir) < 0 ||
- !mtools_conf)
- die_err(tmpdir);
-
- mtc_fd = mkstemp(mtools_conf);
- if (mtc_fd < 0 || !(mtc = fdopen(mtc_fd, "w")))
- die_err(mtools_conf);
-
- fprintf(mtc,
- /* These are needed for some flash memories */
- "MTOOLS_SKIP_CHECK=1\n"
- "MTOOLS_FAT_COMPATIBILITY=1\n"
- "drive s:\n"
- " file=\"/proc/%lu/fd/%d\"\n"
- " offset=%llu\n",
- (unsigned long)mypid,
- dev_fd, (unsigned long long)opt.offset);
-
- if (ferror(mtc) || fclose(mtc))
- die_err(mtools_conf);
-
- /*
- * Run mtools to create the LDLINUX.SYS file
- */
- if (setenv("MTOOLSRC", mtools_conf, 1)) {
- perror(program);
- exit(1);
- }
-
- /*
- * Create a vacuous ADV in memory. This should be smarter.
- */
- syslinux_reset_adv(syslinux_adv);
-
- /* This command may fail legitimately */
- status = system("mattrib -h -r -s s:/ldlinux.sys 2>/dev/null");
- (void)status; /* Keep _FORTIFY_SOURCE happy */
-
- mtp = popen("mcopy -D o -D O -o - s:/ldlinux.sys", "w");
- if (!mtp ||
- fwrite(syslinux_ldlinux, 1, syslinux_ldlinux_len, mtp)
- != syslinux_ldlinux_len ||
- fwrite(syslinux_adv, 1, 2 * ADV_SIZE, mtp)
- != 2 * ADV_SIZE ||
- (status = pclose(mtp), !WIFEXITED(status) || WEXITSTATUS(status))) {
- die("failed to create ldlinux.sys");
- }
-
- /*
- * Now, use libfat to create a block map
- */
- ldlinux_sectors = (syslinux_ldlinux_len + 2 * ADV_SIZE
- + SECTOR_SIZE - 1) >> SECTOR_SHIFT;
- sectors = calloc(ldlinux_sectors, sizeof *sectors);
- fs = libfat_open(libfat_xpread, dev_fd);
- ldlinux_cluster = libfat_searchdir(fs, 0, "LDLINUX SYS", NULL);
- secp = sectors;
- nsectors = 0;
- s = libfat_clustertosector(fs, ldlinux_cluster);
- while (s && nsectors < ldlinux_sectors) {
- *secp++ = s;
- nsectors++;
- s = libfat_nextsector(fs, s);
- }
- libfat_close(fs);
-
- /* Patch ldlinux.sys and the boot sector */
- i = syslinux_patch(sectors, nsectors, opt.stupid_mode, opt.raid_mode,
- opt.directory, NULL);
- patch_sectors = (i + SECTOR_SIZE - 1) >> SECTOR_SHIFT;
-
- /* Write the now-patched first sectors of ldlinux.sys */
- for (i = 0; i < patch_sectors; i++) {
- xpwrite(dev_fd, syslinux_ldlinux + i * SECTOR_SIZE, SECTOR_SIZE,
- opt.offset + ((off_t) sectors[i] << SECTOR_SHIFT));
- }
-
- /* Move ldlinux.sys to the desired location */
- if (opt.directory) {
- char target_file[4096], command[5120];
- char *cp = target_file, *ep = target_file + sizeof target_file - 16;
- const char *sd;
- int slash = 1;
-
- cp += sprintf(cp, "'s:/");
- for (sd = opt.directory; *sd; sd++) {
- if (*sd == '/' || *sd == '\\') {
- if (slash)
- continue; /* Remove duplicated slashes */
- slash = 1;
- } else if (*sd == '\'' || *sd == '!') {
- slash = 0;
- if (cp < ep)
- *cp++ = '\'';
- if (cp < ep)
- *cp++ = '\\';
- if (cp < ep)
- *cp++ = *sd;
- if (cp < ep)
- *cp++ = '\'';
- continue;
- } else {
- slash = 0;
- }
-
- if (cp < ep)
- *cp++ = *sd;
- }
- if (!slash)
- *cp++ = '/';
- strcpy(cp, "ldlinux.sys'");
-
- /* This command may fail legitimately */
- sprintf(command, "mattrib -h -r -s %s 2>/dev/null", target_file);
- status = system(command);
- (void)status; /* Keep _FORTIFY_SOURCE happy */
-
- sprintf(command, "mmove -D o -D O s:/ldlinux.sys %s", target_file);
- status = system(command);
-
- if (!WIFEXITED(status) || WEXITSTATUS(status)) {
- fprintf(stderr,
- "%s: warning: unable to move ldlinux.sys\n", program);
-
- status = system("mattrib +r +h +s s:/ldlinux.sys");
- } else {
- sprintf(command, "mattrib +r +h +s %s", target_file);
- status = system(command);
- }
- } else {
- status = system("mattrib +r +h +s s:/ldlinux.sys");
- }
-
- if (!WIFEXITED(status) || WEXITSTATUS(status)) {
- fprintf(stderr,
- "%s: warning: failed to set system bit on ldlinux.sys\n",
- program);
- }
-
- /*
- * Cleanup
- */
- unlink(mtools_conf);
-
- /*
- * To finish up, write the boot sector
- */
-
- /* Read the superblock again since it might have changed while mounted */
- xpread(dev_fd, sectbuf, SECTOR_SIZE, opt.offset);
-
- /* Copy the syslinux code into the boot sector */
- syslinux_make_bootsect(sectbuf);
-
- /* Write new boot sector */
- xpwrite(dev_fd, sectbuf, SECTOR_SIZE, opt.offset);
-
- close(dev_fd);
- sync();
-
- /* Done! */
-
- return 0;
-}
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