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/* $OpenBSD: mkisofs.c,v 1.5 2001/04/15 00:42:15 deraadt Exp $ */
/*
* Program mkisofs.c - generate iso9660 filesystem based upon directory
* tree on hard disk.
Written by Eric Youngdale (1993).
Copyright 1993 Yggdrasil Computing, Incorporated
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; either version 2, or (at your option)
any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
static char rcsid[] ="$From: mkisofs.c,v 1.10.1.3 1998/06/02 03:36:16 eric Exp $";
/* ADD_FILES changes made by Ross Biro biro@yggdrasil.com 2/23/95 */
#include <errno.h>
#include "mkisofs.h"
#include "config.h"
#ifdef linux
#include <getopt.h>
#endif
#include "iso9660.h"
#include <ctype.h>
#ifndef VMS
#include <time.h>
#else
#include <sys/time.h>
#include "vms.h"
#endif
#include <stdlib.h>
#include <sys/stat.h>
#ifndef VMS
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#endif
#include "exclude.h"
#if defined(__NetBSD__) || defined(__OpenBSD__)
#include <sys/time.h>
#include <sys/resource.h>
#endif
struct directory * root = NULL;
static char version_string[] = "mkisofs v1.11.3";
FILE * discimage;
unsigned int next_extent = 0;
unsigned int last_extent = 0;
unsigned int session_start = 0;
unsigned int path_table_size = 0;
unsigned int path_table[4] = {0,};
unsigned int path_blocks = 0;
struct iso_directory_record root_record;
char * extension_record = NULL;
int extension_record_extent = 0;
static int extension_record_size = 0;
/* These variables are associated with command line options */
int use_eltorito = 0;
int use_RockRidge = 0;
int verbose = 0;
int all_files = 0;
int follow_links = 0;
int rationalize = 0;
int generate_tables = 0;
char * preparer = PREPARER_DEFAULT;
char * publisher = PUBLISHER_DEFAULT;
char * appid = APPID_DEFAULT;
char * copyright = COPYRIGHT_DEFAULT;
char * biblio = BIBLIO_DEFAULT;
char * abstract = ABSTRACT_DEFAULT;
char * volset_id = VOLSET_ID_DEFAULT;
char * volume_id = VOLUME_ID_DEFAULT;
char * system_id = SYSTEM_ID_DEFAULT;
char * boot_catalog = BOOT_CATALOG_DEFAULT;
char * boot_image = BOOT_IMAGE_DEFAULT;
int omit_period = 0; /* Violates iso9660, but these are a pain */
int transparent_compression = 0; /* So far only works with linux */
int omit_version_number = 0; /* May violate iso9660, but noone uses vers*/
int RR_relocation_depth = 6; /* Violates iso9660, but most systems work */
int full_iso9660_filenames = 0; /* Used with Amiga. Disc will not work with
DOS */
int allow_leading_dots = 0; /* DOS cannot read names with leading dots */
struct rcopts{
char * tag;
char ** variable;
};
struct rcopts rcopt[] = {
{"PREP", &preparer},
{"PUBL", &publisher},
{"APPI", &appid},
{"COPY", ©right},
{"BIBL", &biblio},
{"ABST", &abstract},
{"VOLS", &volset_id},
{"VOLI", &volume_id},
{"SYSI", &system_id},
{NULL, NULL}
};
#if defined(ultrix) || defined(_AUX_SOURCE)
char *strdup(s)
char *s;{char *c;if(c=(char *)malloc(strlen(s)+1))strcpy(c,s);return c;}
#endif
void FDECL1(read_rcfile, char *, appname)
{
FILE * rcfile;
struct rcopts * rco;
char * pnt, *pnt1;
char linebuffer[256];
static char rcfn[] = ".mkisofsrc";
char filename[1000];
int linum;
strcpy(filename, rcfn);
rcfile = fopen(filename, "r");
if (!rcfile && errno != ENOENT)
perror(filename);
if (!rcfile)
{
pnt = getenv("MKISOFSRC");
if (pnt && strlen(pnt) <= sizeof(filename))
{
strcpy(filename, pnt);
rcfile = fopen(filename, "r");
if (!rcfile && errno != ENOENT)
perror(filename);
}
}
if (!rcfile)
{
pnt = getenv("HOME");
if (pnt && *pnt && strlen(pnt) + strlen(rcfn) + 2 <= sizeof(filename))
{
strcpy(filename, pnt);
strcat(filename, "/");
strcat(filename, rcfn);
rcfile = fopen(filename, "r");
if (!rcfile && errno != ENOENT)
perror(filename);
}
}
if (!rcfile && strlen(appname)+sizeof(rcfn)+2 <= sizeof(filename))
{
strcpy(filename, appname);
pnt = strrchr(filename, '/');
if (pnt)
{
strcpy(pnt + 1, rcfn);
rcfile = fopen(filename, "r");
if (!rcfile && errno != ENOENT)
perror(filename);
}
}
if (!rcfile)
return;
fprintf(stderr, "Using \"%s\"\n", filename);
/* OK, we got it. Now read in the lines and parse them */
linum = 0;
while (fgets(linebuffer, sizeof(linebuffer), rcfile))
{
char *name;
char *name_end;
++linum;
/* skip any leading white space */
pnt = linebuffer;
while (*pnt == ' ' || *pnt == '\t')
++pnt;
/* If we are looking at a # character, this line is a comment. */
if (*pnt == '#')
continue;
/* The name should begin in the left margin. Make sure it is in
upper case. Stop when we see white space or a comment. */
name = pnt;
while (*pnt && isalpha(*pnt))
{
if(islower(*pnt))
*pnt = toupper(*pnt);
pnt++;
}
if (name == pnt)
{
fprintf(stderr, "%s:%d: name required\n", filename, linum);
continue;
}
name_end = pnt;
/* Skip past white space after the name */
while (*pnt == ' ' || *pnt == '\t')
pnt++;
/* silently ignore errors in the rc file. */
if (*pnt != '=')
{
fprintf(stderr, "%s:%d: equals sign required\n", filename, linum);
continue;
}
/* Skip pas the = sign, and any white space following it */
pnt++; /* Skip past '=' sign */
while (*pnt == ' ' || *pnt == '\t')
pnt++;
/* now it is safe to NUL terminate the name */
*name_end = 0;
/* Now get rid of trailing newline */
pnt1 = pnt;
while (*pnt1)
{
if (*pnt1 == '\n')
{
*pnt1 = 0;
break;
}
pnt1++;
};
/* OK, now figure out which option we have */
for(rco = rcopt; rco->tag; rco++) {
if(strcmp(rco->tag, name) == 0)
{
*rco->variable = strdup(pnt);
break;
};
}
if (rco->tag == NULL)
{
fprintf(stderr, "%s:%d: field name \"%s\" unknown\n", filename, linum,
name);
}
}
if (ferror(rcfile))
perror(filename);
fclose(rcfile);
}
char * path_table_l = NULL;
char * path_table_m = NULL;
int goof = 0;
void usage(){
fprintf(stderr,"Usage:\n");
fprintf(stderr,
"mkisofs [-o outfile] [-R] [-V volid] [-v] [-a] \
[-T]\n [-l] [-d] [-V] [-D] [-L] [-p preparer]"
#ifdef ADD_FILES
"[-i file] \n"
#endif
"[-P publisher] [ -A app_id ] [-z] \n \
[-b boot_image_name] [-c boot_catalog-name] \
[-x path -x path ...] path\n");
exit(1);
}
/*
* Fill in date in the iso9660 format
*
* The standards state that the timezone offset is in multiples of 15
* minutes, and is what you add to GMT to get the localtime. The U.S.
* is always at a negative offset, from -5h to -8h (can vary a little
* with DST, I guess). The Linux iso9660 filesystem has had the sign
* of this wrong for ages (mkisofs had it wrong too for the longest time).
*/
int FDECL2(iso9660_date,char *, result, time_t, ctime){
struct tm *local;
local = localtime(&ctime);
result[0] = local->tm_year;
result[1] = local->tm_mon + 1;
result[2] = local->tm_mday;
result[3] = local->tm_hour;
result[4] = local->tm_min;
result[5] = local->tm_sec;
/*
* Must recalculate proper timezone offset each time,
* as some files use daylight savings time and some don't...
*/
result[6] = local->tm_yday; /* save yday 'cause gmtime zaps it */
local = gmtime(&ctime);
local->tm_year -= result[0];
local->tm_yday -= result[6];
local->tm_hour -= result[3];
local->tm_min -= result[4];
if (local->tm_year < 0)
{
local->tm_yday = -1;
}
else
{
if (local->tm_year > 0) local->tm_yday = 1;
}
result[6] = -(local->tm_min + 60*(local->tm_hour + 24*local->tm_yday)) / 15;
return 0;
}
extern char * cdwrite_data;
int FDECL2(main, int, argc, char **, argv){
char * outfile;
struct directory_entry de;
unsigned long mem_start;
struct stat statbuf;
char * scan_tree;
char * merge_image = NULL;
struct iso_directory_record * mrootp = NULL;
int c;
#ifdef ADD_FILES
char *add_file_file = NULL;
#endif
if (argc < 2)
usage();
/* Get the defaults from the .mkisofsrc file */
read_rcfile(argv[0]);
outfile = NULL;
while ((c = getopt(argc, argv, "i:o:V:RrfvaTp:P:b:c:x:dDlLNzA:M:m:C:")) != EOF)
switch (c)
{
case 'C':
/*
* This is a temporary hack until cdwrite gets the proper hooks in
* it.
*/
cdwrite_data = optarg;
break;
case 'a':
all_files++;
break;
case 'b':
use_eltorito++;
boot_image = optarg; /* pathname of the boot image on cd */
if (boot_image == NULL) {
fprintf(stderr,"Required boot image pathname missing\n");
exit(1);
}
break;
case 'c':
use_eltorito++;
boot_catalog = optarg; /* pathname of the boot image on cd */
if (boot_catalog == NULL) {
fprintf(stderr,"Required boot catalog pathname missing\n");
exit(1);
}
break;
case 'A':
appid = optarg;
if(strlen(appid) > 128) {
fprintf(stderr,"Application-id string too long\n");
exit(1);
};
break;
case 'd':
omit_period++;
break;
case 'D':
RR_relocation_depth = 32767;
break;
case 'f':
follow_links++;
break;
case 'i':
#ifdef ADD_FILES
add_file_file = optarg;
break;
#else
usage();
exit(1);
#endif
case 'l':
full_iso9660_filenames++;
break;
case 'L':
allow_leading_dots++;
break;
case 'M':
merge_image = optarg;
break;
case 'N':
omit_version_number++;
break;
case 'o':
outfile = optarg;
break;
case 'p':
preparer = optarg;
if(strlen(preparer) > 128) {
fprintf(stderr,"Preparer string too long\n");
exit(1);
};
break;
case 'P':
publisher = optarg;
if(strlen(publisher) > 128) {
fprintf(stderr,"Publisher string too long\n");
exit(1);
};
break;
case 'R':
use_RockRidge++;
break;
case 'r':
rationalize++;
use_RockRidge++;
break;
case 'T':
generate_tables++;
break;
case 'V':
volume_id = optarg;
break;
case 'v':
verbose++;
break;
case 'z':
#ifdef VMS
fprintf(stderr,"Transparent compression not supported with VMS\n");
exit(1);
#else
transparent_compression++;
#endif
break;
case 'm':
add_match(optarg);
break;
case 'x':
exclude(optarg);
break;
default:
usage();
exit(1);
}
#if defined(__NetBSD__) || defined(__OpenBSD__)
{
int resource;
struct rlimit rlp;
if (getrlimit(RLIMIT_DATA,&rlp) == -1)
perror("Warning: getrlimit");
else {
rlp.rlim_cur=33554432;
if (setrlimit(RLIMIT_DATA,&rlp) == -1)
perror("Warning: setrlimit");
}
}
#endif
#ifdef HAVE_SBRK
mem_start = (unsigned long) sbrk(0);
#endif
if(verbose) fprintf(stderr,"%s\n", version_string);
if( (cdwrite_data != NULL && merge_image == NULL)
|| (cdwrite_data == NULL && merge_image != NULL) )
{
fprintf(stderr,"Multisession usage bug - both -C and -M must be specified.\n");
exit(0);
}
/* The first step is to scan the directory tree, and take some notes */
scan_tree = argv[optind];
#ifdef ADD_FILES
if (add_file_file) {
add_file(add_file_file);
}
add_file_list (argc, argv, optind+1);
#endif
if(!scan_tree){
usage();
exit(1);
};
#ifndef VMS
if(scan_tree[strlen(scan_tree)-1] != '/') {
scan_tree = (char *) e_malloc(strlen(argv[optind])+2);
strcpy(scan_tree, argv[optind]);
strcat(scan_tree, "/");
};
#endif
if(use_RockRidge){
#if 1
extension_record = generate_rr_extension_record("RRIP_1991A",
"THE ROCK RIDGE INTERCHANGE PROTOCOL PROVIDES SUPPORT FOR POSIX FILE SYSTEM SEMANTICS",
"PLEASE CONTACT DISC PUBLISHER FOR SPECIFICATION SOURCE. SEE PUBLISHER IDENTIFIER IN PRIMARY VOLUME DESCRIPTOR FOR CONTACT INFORMATION.", &extension_record_size);
#else
extension_record = generate_rr_extension_record("IEEE_P1282",
"THE IEEE P1282 PROTOCOL PROVIDES SUPPORT FOR POSIX FILE SYSTEM SEMANTICS",
"PLEASE CONTACT THE IEEE STANDARDS DEPARTMENT, PISCATAWAY, NJ, USA FOR THE P1282 SPECIFICATION.", &extension_record_size);
#endif
}
/*
* See if boot catalog file exists in root directory, if not
* we will create it.
*/
if (use_eltorito)
init_boot_catalog(argv[optind]);
/*
* Find the device and inode number of the root directory.
* Record this in the hash table so we don't scan it more than
* once.
*/
stat_filter(argv[optind], &statbuf);
add_directory_hash(statbuf.st_dev, STAT_INODE(statbuf));
memset(&de, 0, sizeof(de));
de.filedir = root; /* We need this to bootstrap */
if( merge_image != NULL )
{
mrootp = merge_isofs(merge_image);
if( mrootp == NULL )
{
/*
* Complain and die.
*/
fprintf(stderr,"Unable to open previous session image %s\n",
merge_image);
exit(1);
}
memcpy(&de.isorec.extent, mrootp->extent, 8);
}
/*
* Scan the actual directory (and any we find below it)
* for files to write out to the output image.
*/
if (!scan_directory_tree(argv[optind], &de, mrootp))
{
exit(1);
}
/*
* Fix a couple of things in the root directory so that everything
* is self consistent.
*/
root->self = root->contents; /* Fix this up so that the path tables get done right */
if(reloc_dir) sort_n_finish(reloc_dir);
if (goof) exit(1);
/*
* OK, ready to write the file. Open it up, and generate the thing.
*/
if (outfile){
discimage = fopen(outfile, "w");
if (!discimage){
fprintf(stderr,"Unable to open disc image file\n");
exit(1);
};
} else
discimage = stdout;
/* Now assign addresses on the disc for the path table. */
path_blocks = (path_table_size + (SECTOR_SIZE - 1)) >> 11;
if (path_blocks & 1) path_blocks++;
path_table[0] = session_start + 0x10 + 2 + (use_eltorito ? 1 : 0);
path_table[1] = 0;
path_table[2] = path_table[0] + path_blocks;
path_table[3] = 0;
last_extent += path_table[2] - session_start + path_blocks;
/* The next free block */
/* The next step is to go through the directory tree and assign extent
numbers for all of the directories */
assign_directory_addresses(root);
if(extension_record) {
struct directory_entry * s_entry;
extension_record_extent = last_extent++;
s_entry = root->contents;
set_733((char *) s_entry->rr_attributes + s_entry->rr_attr_size - 24,
extension_record_extent);
set_733((char *) s_entry->rr_attributes + s_entry->rr_attr_size - 8,
extension_record_size);
};
if (use_RockRidge && reloc_dir)
finish_cl_pl_entries();
/* Now we generate the path tables that are used by DOS to improve directory
access times. */
generate_path_tables();
/* Generate root record for volume descriptor. */
generate_root_record();
if (verbose)
dump_tree(root);
if( in_image != NULL )
{
fclose(in_image);
}
iso_write(discimage);
#ifdef HAVE_SBRK
fprintf(stderr,"Max brk space used %x\n",
(unsigned int)(((unsigned long)sbrk(0)) - mem_start));
#endif
fprintf(stderr,"%d extents written (%d Mb)\n", last_extent, last_extent >> 9);
#ifdef VMS
return 1;
#else
return 0;
#endif
}
void *
FDECL1(e_malloc, size_t, size)
{
void* pt = 0;
if( (size > 0) && ((pt=malloc(size))==NULL) ) {
fprintf(stderr, "Not enough memory\n");
exit (1);
}
return pt;
}
|