freebsd_amp_hwpstate/gnu/usr.bin/mkisofs/mkisofs.c

761 lines
17 KiB
C

/*
* 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. */
/* ADD_FILES changes made by Ross Biro biro@yggdrasil.com 2/23/95 */
#include "mkisofs.h"
#include <assert.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
#include <unistd.h>
#endif
#include "exclude.h"
#ifdef __NetBSD__
#include <sys/time.h>
#include <sys/resource.h>
#endif
struct directory * root = NULL;
static char version_string[] = "mkisofs v1.04";
FILE * discimage;
unsigned int next_extent = 0;
unsigned int last_extent = 0;
unsigned int path_table_size = 0;
unsigned int path_table[4] = {0,};
unsigned int path_blocks = 0;
struct iso_directory_record root_record;
static int timezone_offset;
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_RockRidge = 0;
int verbose = 0;
int all_files = 0;
int follow_links = 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;
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", &copyright},
{"BIBL", &biblio},
{"ABST", &abstract},
{"VOLS", &volset_id},
{"VOLI", &volume_id},
{"SYSI", &system_id},
{NULL, NULL}
};
#ifdef ultrix
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];
rcfile = fopen(".mkisofsrc","r");
if(!rcfile) {
if(strlen(appname)+sizeof(".mkisofsrc") > sizeof(linebuffer)) return;
strcpy(linebuffer, appname);
pnt = strrchr(linebuffer,'/');
if(!pnt) return;
pnt++;
strcpy(pnt, ".mkisofsrc");
rcfile = fopen(linebuffer,"r");
fprintf(stderr, "Using %s.\n", linebuffer);
} else {
fprintf(stderr, "Using ./.mkisofsrc.\n");
}
if(!rcfile) return;
/* OK, we got it. Now read in the lines and parse them */
while(!feof(rcfile))
{
fgets(linebuffer, sizeof(linebuffer), rcfile);
pnt = linebuffer;
while(1==1) {
if(*pnt == ' ' || *pnt == '\t' || *pnt == '\n' || *pnt == 0) break;
if(islower(*pnt)) *pnt = toupper(*pnt);
pnt++;
}
/* OK, now find the '=' sign */
while(*pnt && *pnt != '=' && *pnt != '#') pnt++;
if(*pnt == '#') continue; /* SKip comment */
if(*pnt != '=') continue; /* Skip to next line */
pnt++; /* Skip past '=' sign */
while(*pnt == ' ' || *pnt == '\t') pnt++; /* And skip past whitespace */
/* Now get rid of trailing newline */
pnt1 = pnt;
while(*pnt1) {
if(*pnt1 == '\n') *pnt1 = 0;
else
pnt1++;
};
pnt1 = linebuffer;
while(*pnt1 == ' ' || *pnt1 == '\t') pnt1++;
/* OK, now figure out which option we have */
for(rco = rcopt; rco->tag; rco++) {
if(strncmp(rco->tag, pnt1, 4) == 0)
{
*rco->variable = strdup(pnt);
break;
};
}
}
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] \
[-P publisher] [ -A app_id ] [-z] \
[-x path -x path ...] path\n");
exit(1);
}
int get_iso9660_timezone_offset(){
struct tm gm;
struct tm * pt;
time_t ctime;
int local_min, gmt_min;
time(&ctime);
pt = gmtime(&ctime);
gm = *pt;
pt = localtime(&ctime);
if(gm.tm_year < pt->tm_year)
gm.tm_yday = -1;
if(gm.tm_year > pt->tm_year)
pt->tm_yday = -1;
gmt_min = gm.tm_min + 60*(gm.tm_hour + 24*gm.tm_yday);
local_min = pt->tm_min + 60*(pt->tm_hour + 24*pt->tm_yday);
return (gmt_min - local_min)/15;
}
/* Fill in date in the iso9660 format */
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;
result[6] = timezone_offset;
return 0;
}
int FDECL3(iso9660_file_length,const char*, name, struct directory_entry *, sresult,
int, dirflag){
int seen_dot = 0;
int seen_semic = 0;
char * result;
int priority = 32767;
int tildes = 0;
int ignore = 0;
int extra = 0;
int current_length = 0;
int chars_after_dot = 0;
int chars_before_dot = 0;
const char * pnt;
result = sresult->isorec.name;
if(strcmp(name,".") == 0){
if(result) *result = 0;
return 1;
};
if(strcmp(name,"..") == 0){
if(result) {
*result++ = 1;
*result++ = 0;
}
return 1;
};
pnt = name;
while(*pnt){
#ifdef VMS
if(strcmp(pnt,".DIR;1") == 0) break;
#endif
if(*pnt == '#') {priority = 1; pnt++; continue; };
if(*pnt == '~') {priority = 1; tildes++; pnt++; continue;};
if(*pnt == ';') {seen_semic = 1; *result++ = *pnt++; continue; };
if(ignore) {pnt++; continue;};
if(seen_semic){
if(*pnt >= '0' && *pnt <= '9') *result++ = *pnt;
extra++;
pnt++;
continue;
};
if(full_iso9660_filenames) {
/* Here we allow a more relaxed syntax. */
if(*pnt == '.') {
if (seen_dot) {ignore++; continue;}
seen_dot++;
}
if(current_length < 30) *result++ = (islower(*pnt) ? toupper(*pnt) : *pnt);
} else { /* Dos style filenames */
if(*pnt == '.') {
if (!chars_before_dot && !allow_leading_dots) {
/* DOS can't read files with dot first */
chars_before_dot++;
if (result) *result++ = '_'; /* Substitute underscore */
} else {
if (seen_dot) {ignore++; continue;}
if(result) *result++ = '.';
seen_dot++;
}
} else if (seen_dot) {
if(chars_after_dot < 3) {
chars_after_dot++;
if(result) *result++ = (islower(*pnt) ? toupper(*pnt) : *pnt);
}
} else {
if(chars_before_dot < 8) {
chars_before_dot++;
if(result) *result++ = (islower(*pnt) ? toupper(*pnt) : *pnt);
};
};
};
current_length++;
pnt++;
};
if(tildes == 2){
int prio1 = 0;
pnt = name;
while (*pnt && *pnt != '~') pnt++;
if (*pnt) pnt++;
while(*pnt && *pnt != '~'){
prio1 = 10*prio1 + *pnt - '0';
pnt++;
};
priority = prio1;
};
if (!dirflag){
if (!seen_dot && !omit_period) {
if (result) *result++ = '.';
extra++;
};
if(!omit_version_number && !seen_semic) {
if(result){
*result++ = ';';
*result++ = '1';
};
extra += 2;
}
};
if(result) *result++ = 0;
#if 1 /* WALNUT CREEK HACKS -- rab 950126 */
{
int i, c, len;
char *r;
assert(result);
assert(omit_version_number);
assert(omit_period);
assert(extra == 0);
r = sresult->isorec.name;
len = strlen(r);
if (r[len - 1] == '.') {
assert(seen_dot && chars_after_dot == 0);
r[--len] = '\0';
seen_dot = 0;
}
for (i = 0; i < len; ++i) {
c = r[i];
if (c == '.') {
if (dirflag) {
fprintf(stderr, "changing DIR %s to ", r);
r[i] = '\0';
fprintf(stderr, "%s\n", r);
chars_after_dot = 0;
seen_dot = 0;
extra = 0;
break;
}
} else if (!isalnum(c) && c != '_') {
fprintf(stderr, "changing %s to ", r);
r[i] = '_';
fprintf(stderr, "%s\n", r);
}
}
}
#endif
sresult->priority = priority;
return chars_before_dot + chars_after_dot + seen_dot + extra;
}
#ifdef ADD_FILES
struct file_adds *root_file_adds = NULL;
void
FDECL2(add_one_file, char *, addpath, char *, path )
{
char *cp;
char *name;
struct file_adds *f;
struct file_adds *tmp;
f = root_file_adds;
tmp = NULL;
name = rindex (addpath, PATH_SEPARATOR);
if (name == NULL) {
name = addpath;
} else {
name++;
}
cp = strtok (addpath, SPATH_SEPARATOR);
while (cp != NULL && strcmp (name, cp)) {
if (f == NULL) {
root_file_adds = e_malloc (sizeof *root_file_adds);
f=root_file_adds;
f->name = NULL;
f->child = NULL;
f->next = NULL;
f->add_count = 0;
f->adds = NULL;
f->used = 0;
}
if (f->child) {
for (tmp = f->child; tmp->next != NULL; tmp =tmp->next) {
if (strcmp (tmp->name, cp) == 0) {
f = tmp;
goto next;
}
}
if (strcmp (tmp->name, cp) == 0) {
f=tmp;
goto next;
}
/* add a new node. */
tmp->next = e_malloc (sizeof (*tmp->next));
f=tmp->next;
f->name = strdup (cp);
f->child = NULL;
f->next = NULL;
f->add_count = 0;
f->adds = NULL;
f->used = 0;
} else {
/* no children. */
f->child = e_malloc (sizeof (*f->child));
f = f->child;
f->name = strdup (cp);
f->child = NULL;
f->next = NULL;
f->add_count = 0;
f->adds = NULL;
f->used = 0;
}
next:
cp = strtok (NULL, SPATH_SEPARATOR);
}
/* Now f if non-null points to where we should add things */
if (f == NULL) {
root_file_adds = e_malloc (sizeof *root_file_adds);
f=root_file_adds;
f->name = NULL;
f->child = NULL;
f->next = NULL;
f->add_count = 0;
f->adds = NULL;
}
/* Now f really points to where we should add this name. */
f->add_count++;
f->adds = realloc (f->adds, sizeof (*f->adds)*f->add_count);
f->adds[f->add_count-1].path = strdup (path);
f->adds[f->add_count-1].name = strdup (name);
}
void
FDECL3(add_file_list, int, argc, char **,argv, int, ind)
{
char *ptr;
char *dup_arg;
while (ind < argc) {
dup_arg = strdup (argv[ind]);
ptr = index (dup_arg,'=');
if (ptr == NULL) {
free (dup_arg);
return;
}
*ptr = 0;
ptr++;
add_one_file (dup_arg, ptr);
free (dup_arg);
ind++;
}
}
void
FDECL1(add_file, char *, filename)
{
char buff[1024];
FILE *f;
char *ptr;
char *p2;
int count=0;
if (strcmp (filename, "-") == 0) {
f = stdin;
} else {
f = fopen (filename, "r");
if (f == NULL) {
perror ("fopen");
exit (1);
}
}
while (fgets (buff, 1024, f)) {
count++;
ptr = buff;
while (isspace (*ptr)) ptr++;
if (*ptr==0) continue;
if (*ptr=='#') continue;
if (ptr[strlen(ptr)-1]== '\n') ptr[strlen(ptr)-1]=0;
p2 = index (ptr, '=');
if (p2 == NULL) {
fprintf (stderr, "Error in line %d: %s\n", count, buff);
exit (1);
}
*p2 = 0;
p2++;
add_one_file (ptr, p2);
}
if (f != stdin) fclose (f);
}
#endif
int FDECL2(main, int, argc, char **, argv){
char * outfile;
struct directory_entry de;
unsigned int mem_start;
struct stat statbuf;
char * scan_tree;
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:RfvaTp:P:x:dDlLNzA:")) != EOF)
switch (c)
{
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 '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 'l':
full_iso9660_filenames++;
break;
case 'L':
allow_leading_dots++;
break;
case 'N':
omit_version_number++;
break;
case 'o':
outfile = optarg;
break;
case 'f':
follow_links++;
break;
case 'R':
use_RockRidge++;
break;
case 'V':
volume_id = optarg;
break;
case 'v':
verbose++;
break;
case 'a':
all_files++;
break;
case 'T':
generate_tables++;
break;
case 'z':
#ifdef VMS
fprintf(stderr,"Transparent compression not supported with VMS\n");
exit(1);
#else
transparent_compression++;
#endif
break;
case 'x':
exclude(optarg);
break;
case 'i':
#ifdef ADD_FILES
add_file_file = optarg;
break;
#endif
default:
usage();
exit(1);
}
#ifdef __NetBSD__
{
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
mem_start = (unsigned int) sbrk(0);
if(verbose) fprintf(stderr,"%s\n", version_string);
/* Now find the timezone offset */
timezone_offset = get_iso9660_timezone_offset();
/* 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
};
stat(argv[optind], &statbuf);
add_directory_hash(statbuf.st_dev, STAT_INODE(statbuf));
de.filedir = root; /* We need this to bootstrap */
scan_directory_tree(argv[optind], &de);
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);
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] = 0x14;
path_table[1] = path_table[0] + path_blocks;
path_table[2] = path_table[1] + path_blocks;
path_table[3] = path_table[2] + path_blocks;
last_extent = path_table[3] + 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(s_entry->rr_attributes + s_entry->rr_attr_size - 24,
extension_record_extent);
set_733(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();
dump_tree(root);
iso_write(discimage);
fprintf(stderr,"Max brk space used %x\n",
((unsigned int)sbrk(0)) - mem_start);
fprintf(stderr,"%d extents written (%d Mb)\n", last_extent, last_extent >> 9);
#ifdef VMS
return 1;
#else
return 0;
#endif
}
void *e_malloc(size_t size)
{
void* pt;
if((pt=malloc(size))==NULL) {
printf("Not enougth memory\n");
exit (1);
}
return pt;
}