wok-6.x rev 18775

syslinux/isohybrid.exe: add -a & -i support
author Pascal Bellard <pascal.bellard@slitaz.org>
date Fri Jan 01 10:53:50 2016 +0100 (2016-01-01)
parents 816d2bd9090b
children c46b11485c8b
files syslinux/stuff/iso2exe/iso2exe.c syslinux/stuff/iso2exe/iso2exe.sh
line diff
     1.1 --- a/syslinux/stuff/iso2exe/iso2exe.c	Fri Jan 01 10:37:57 2016 +0100
     1.2 +++ b/syslinux/stuff/iso2exe/iso2exe.c	Fri Jan 01 10:53:50 2016 +0100
     1.3 @@ -9,11 +9,21 @@
     1.4  #ifdef WIN32
     1.5  #include <windows.h>
     1.6  #endif
     1.7 +#ifdef __MSDOS__
     1.8 +#define ftruncate(a,b)
     1.9 +#endif
    1.10 +#ifdef __MINGW32__
    1.11 +#define ftruncate chsize
    1.12 +#endif
    1.13 +#if !defined(__MSDOS__) && !defined(WIN32)
    1.14 +#define O_BINARY 0
    1.15 +#endif
    1.16  typedef unsigned char uint8_t;
    1.17  typedef unsigned long uint32_t;
    1.18  #include "iso2exe.h"
    1.19  
    1.20  static int fd, forced, uninstall, status = 1;
    1.21 +static char *append, *initrd;
    1.22  static char tazlitoinfo[0x8000U - BOOTISOSZ];
    1.23  #define buffer tazlitoinfo
    1.24  #define BUFFERSZ 2048
    1.25 @@ -29,6 +39,12 @@
    1.26  	}
    1.27  }
    1.28  
    1.29 +static unsigned long getcustomsector(void)
    1.30 +{
    1.31 +	readsector(16UL);
    1.32 +	return 16UL + LONG(buffer + 80);
    1.33 +}
    1.34 +
    1.35  static int skipmd5 = 0;
    1.36  #define ALIGN1
    1.37  
    1.38 @@ -198,6 +214,12 @@
    1.39   */
    1.40  #define md5_end common64_end
    1.41  
    1.42 +static int writenhash(void *buffer, size_t len)
    1.43 +{
    1.44 +	md5_hash(buffer, len);
    1.45 +	return write(fd, buffer, len);
    1.46 +}
    1.47 +
    1.48  static void md5sum(void)
    1.49  {
    1.50  	unsigned long sectors = 0;
    1.51 @@ -249,7 +271,7 @@
    1.52  	unsigned long size, catalog, lba;
    1.53  	int cylinders, i, j, isohybrid;
    1.54  	unsigned n;
    1.55 -#ifndef WIN32
    1.56 +#ifdef __MSDOS__
    1.57  	for (bootiso = (char *) install;
    1.58  	     bootiso[0] != 'M' || bootiso[1] != 'Z' || bootiso[2] != '\xEB';
    1.59  	     bootiso++) if (bootiso < (char *) install) {
    1.60 @@ -266,20 +288,87 @@
    1.61  	if (uninstall) {
    1.62  		struct { char check[sizeof(tazlitoinfo) - BUFFERSZ - 1024]; };
    1.63  		readsector(0UL);
    1.64 -		n = BUFFERSZ;
    1.65 +		n = BUFFERSZ;		/* fill with zeros */
    1.66  		if (WORD(buffer) == 23117) {
    1.67 +			/* restore isolinux hybrid boot */
    1.68  			readsector((unsigned long) buffer[417]);
    1.69 -			n = 0;
    1.70 +			n = 0;		/* fill with hybrid boot */
    1.71  		}
    1.72  		lseek(fd, 0UL, SEEK_SET);
    1.73  		for (i = 0; i < 32; i++, n = BUFFERSZ) {
    1.74  			write(fd, buffer + n, 1024);
    1.75  		}
    1.76 +		i = getcustomsector();
    1.77 +		lseek(fd, i * 2048UL, SEEK_SET);
    1.78 +		for (;i % 512; i++) {
    1.79 +			/* clear custom config */
    1.80 +			write(fd, buffer + 2048, 2048);
    1.81 +		}
    1.82 +		ftruncate(fd, i * 2048UL);
    1.83  		close(fd);
    1.84  		status = 0;
    1.85  		return UNINSTALLMSG;
    1.86  	}
    1.87  
    1.88 +	if (append || initrd) {
    1.89 +		unsigned long pos = getcustomsector() * 2048UL;
    1.90 +		lseek(fd, pos, SEEK_SET);
    1.91 +		write(fd, "#!boot 00000000000000000000000000000000\n", 40);
    1.92 +		md5_begin();
    1.93 +		if (append) {
    1.94 +			writenhash("append=", 7);
    1.95 +			writenhash(append, strlen(append));
    1.96 +			writenhash("\n", 1);
    1.97 +		}
    1.98 +		if (initrd) {
    1.99 +			char number[16], *p;
   1.100 +			unsigned long end, x;
   1.101 +			int data = open(initrd,O_RDONLY|O_BINARY);
   1.102 +			if (data == -1)
   1.103 +				return OPENINITRDERR;
   1.104 +			for (end = 0;; end += i) {
   1.105 +				i = read(data, buffer, BUFFERSZ);
   1.106 +				if (i <= 0)
   1.107 +					break;
   1.108 +			}
   1.109 +			p = number + sizeof(number) -1;
   1.110 +			x = end; *p-- = '\n';
   1.111 +			do {
   1.112 +			     *p-- = '0' + (x % 10);
   1.113 +			     x /= 10;
   1.114 +			} while (x);
   1.115 +			if (*++p != '0') {
   1.116 +				writenhash("initrd:", 7);
   1.117 +				i = number - p + sizeof(number);
   1.118 +				writenhash(p, i);
   1.119 +				lseek(data, 0UL, SEEK_SET);
   1.120 +				do {
   1.121 +					i = read(data, buffer, BUFFERSZ);
   1.122 +					if (i <= 0)
   1.123 +						break;
   1.124 +					if (i > end)
   1.125 +						i = end;
   1.126 +					writenhash(buffer, i);
   1.127 +					end -= i;
   1.128 +				} while (end != 0);
   1.129 +			}
   1.130 +			close(data);
   1.131 +		}
   1.132 +		md5_end();
   1.133 +		{
   1.134 +			static char h[] = "0123456789ABCDEF";
   1.135 +			char string[32], *s = string + 30;
   1.136 +			unsigned char *p = (void *) hash;
   1.137 +
   1.138 +			lseek(fd, 7 + pos, SEEK_SET);
   1.139 +			for (p += 15; s >= string; p--, s -= 2) {
   1.140 +				s[1] = h[ *p & 15 ];
   1.141 +				s[0] = h[ *p >> 4 ];
   1.142 +			}
   1.143 +			write(fd, string, 32);
   1.144 +		}
   1.145 +	}
   1.146 +
   1.147  	if (forced == 0) {
   1.148  		status = 2;
   1.149  		/* Install hybridiso boot sector */
   1.150 @@ -354,6 +443,19 @@
   1.151  int main(int argc, char *argv[])
   1.152  {
   1.153  	int i;
   1.154 +	char *s;
   1.155 +	
   1.156 +	while (argc > 2) {
   1.157 +		s = argv[1];
   1.158 +		if (*s != '-') break;
   1.159 +		while (*s == '-') s++;
   1.160 +		switch (*s | 0x20) {
   1.161 +		case 'a' : append=argv[2]; break;
   1.162 +		case 'i' : initrd=argv[2]; break;
   1.163 +		}
   1.164 +		argv += 2;
   1.165 +		argc -= 2;
   1.166 +	}
   1.167  	for (i = 2; i < argc; i++) {
   1.168  		char *s = argv[i];
   1.169  		while ((unsigned)(*s - '-') <= ('/' - '-')) s++;
     2.1 --- a/syslinux/stuff/iso2exe/iso2exe.sh	Fri Jan 01 10:37:57 2016 +0100
     2.2 +++ b/syslinux/stuff/iso2exe/iso2exe.sh	Fri Jan 01 10:53:50 2016 +0100
     2.3 @@ -184,7 +184,7 @@
     2.4  
     2.5  #define $(echo $name | tr '[a-z]' '[A-Z]')SZ $BOOTISOSZ
     2.6  
     2.7 -#ifdef WIN32
     2.8 +#ifndef __MSDOS__
     2.9  static char $name[] = {
    2.10  /* head */
    2.11  $(hexdump -v -n $HSZ -e '"    " 16/1 "0x%02X, "' -e '"  // %04.4_ax |" 16/1 "%_p" "| \n"' $DATA | sed 's/ 0x  ,/      /g')
    2.12 @@ -257,7 +257,7 @@
    2.13  		fi
    2.14  	done <<EOT
    2.15  READSECTORERR	Read sector failure.
    2.16 -USAGE		Usage: isohybrid.exe file.iso [--forced|--undo|--quick]
    2.17 +USAGE		Usage: isohybrid.exe [--append cmdline] [--initrd file] file.iso [--forced|--undo|--quick]
    2.18  OPENERR		Can't open r/w the iso file.
    2.19  ELTORITOERR	No EL TORITO SPECIFICATION signature.
    2.20  CATALOGERR	Invalid boot catalog.
    2.21 @@ -266,6 +266,7 @@
    2.22  FORCEMSG	You can add --forced to proceed anyway.
    2.23  MD5MSG		Computing md5sum...
    2.24  UNINSTALLMSG	Uninstall done.
    2.25 +OPENINITRDERR	Can't open the initrd file.
    2.26  EOT
    2.27  done
    2.28  	rm -rf $DATA