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jartool.c
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/*
jartool.c - main functions for fastjar utility
Copyright (C) 2002, 2004, 2005, 2006 Free Software Foundation
Copyright (C) 1999, 2000, 2001 Bryan Burns
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
of the License, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/*
Revision 1.10 2002/01/03 04:57:56 rodrigc
2001-01-02 Craig Rodrigues <[email protected]>
PR bootstrap/5117
* configure.in (AC_CHECK_HEADERS): Check for stdlib.h.
* Makefile.am: Move grepjar to bin_PROGRAMS.
* config.h.in: Regenerated.
* Makefile.in: Regenerated.
* aclocal.m4: Regenerated.
* jargrep.c: Eliminate some signed/unsigned and default
uninitialized warnings. Use HAVE_STDLIB_H instead of
STDC_HEADERS macro.
* jartool.c: Likewise.
* compress.c: Likewise.
Revision 1.9 2001/10/12 00:49:42 bryce
* jatool.c (extract_jar): Account for null termination when
determining whether to expand "filename".
Revision 1.8 2001/08/29 01:35:31 apbianco
2001-08-28 Alexandre Petit-Bianco <[email protected]>
* jartool.c (add_to_jar): Return 1 if `stat' initialy failed.
Fixes PR java/3949.
(http://gcc.gnu.org/ml/gcc-patches/2001-08/msg01641.html)
Revision 1.7 2001/08/27 23:09:37 tromey
* jartool.c (jarfile): Remove length limitation.
(main): Use jt_strdup when initializing jarfile.
Revision 1.6 2001/07/04 18:33:53 tromey
Modified from patch by Julian Hall <[email protected]>:
* jartool.c (errno): Conditionally declare.
(O_BINARY): Conditionally define.
(main): Use open, not creat. Use O_BINARY everywhere.
(make_manifest): Use O_BINARY.
(add_to_jar): Likewise.
Revision 1.5 2001/05/03 21:40:47 danglin
* jartool.c (jt_strdup): New function.
(get_next_arg): Use jt_strdup instead of strdup.
Revision 1.4 2000/12/28 21:47:37 robertl
2000-12-28 Robert Lipe <[email protected]>
* jartool.c (MAXPATHLEN): Provide if not defined.
Revision 1.3 2000/12/14 18:45:35 ghazi
Warning fixes:
* compress.c: Include stdlib.h and compress.h.
(rcsid): Delete.
(report_str_error): Make static.
(ez_inflate_str): Delete unused variable. Add parens in if-stmt.
(hrd_inflate_str): Likewise.
* compress.h (init_compression, end_compression, init_inflation,
end_inflation): Prototype void arguments.
* dostime.c (rcsid): Delete.
* jargrep.c: Include ctype.h, stdlib.h, zlib.h and compress.h.
Make functions static. Cast ctype function argument to `unsigned
char'. Add parens in if-stmts. Constify.
(Usage): Change into a macro.
(jargrep): Remove unused parameter.
* jartool.c: Constify. Add parens in if-stmts. Align
signed/unsigned char pointers in functions calls using casts.
(rcsid): Delete.
(list_jar): Fix printf format specifier.
(usage): Chop long string into bits. Reformat.
* pushback.c (rcsid): Delete.
Revision 1.2 2000/12/13 18:11:57 tromey
* jartool.c (extract_jar): Use strchr, not index.
Revision 1.1 2000/12/09 03:08:23 apbianco
2000-12-08 Alexandre Petit-Bianco <[email protected]>
* fastjar: Imported.
Revision 1.5 2000/08/24 15:01:27 cory
Made certain that fastjar opened the jar file before trying to update it
with the -u option.
Revision 1.4 2000/08/24 13:39:21 cory
Changed +'s to |'s in jartool.c to insure there was no confusion with sign
when byte swapping. Better safe than sorry.
Revision 1.3 2000/08/23 19:42:17 cory
Added support for more Unix platforms. The following code has been hacked
to work on AIX, Solaris, True 64, and HP-UX.
Added bigendian check. Probably works on most big and little endian platforms
now.
Revision 1.2 1999/12/06 07:38:28 toast
fixed recursive archiving bug
Revision 1.1.1.1 1999/12/06 03:09:34 toast
initial checkin..
Revision 1.22 1999/10/12 19:45:13 burnsbr
adding patch to fix compat problem
Revision 1.21 1999/05/10 09:15:49 burnsbr
fixed manifest file version info
Revision 1.20 1999/05/10 08:53:16 burnsbr
*** empty log message ***
Revision 1.19 1999/05/10 08:30:39 burnsbr
added extract / listing code
Revision 1.18 1999/04/28 04:24:29 burnsbr
updated version
Revision 1.17 1999/04/28 04:21:23 burnsbr
added support for -C dir-changing flag.. Updated total compression display
Revision 1.16 1999/04/27 10:28:22 burnsbr
updated version string
Revision 1.15 1999/04/27 10:04:06 burnsbr
configure support
Revision 1.14 1999/04/27 08:56:14 burnsbr
added -V flag, better error messages
Revision 1.13 1999/04/26 02:35:21 burnsbr
changed all sorts of stuff.. compression now works 100%
Revision 1.12 1999/04/23 12:00:45 burnsbr
90% done with compression code
Revision 1.11 1999/04/22 04:12:57 burnsbr
finished first round of Manifest file support..
might need to do more, digest etc..
Revision 1.10 1999/04/22 02:35:23 burnsbr
added more manifest support, about 75% done now. Replaced all the
redundant shifts and bit-logic with a macro or two, making the code
easier to read.
Revision 1.9 1999/04/21 09:55:16 burnsbr
pulled out printfs
Revision 1.8 1999/04/21 02:58:01 burnsbr
started manifest code
Revision 1.7 1999/04/20 23:15:28 burnsbr
added patch sent by John Bley <[email protected]>
Revision 1.6 1999/04/20 08:56:02 burnsbr
added GPL comment
Revision 1.5 1999/04/20 08:16:09 burnsbr
fixed verbose flag, did some optimization
Revision 1.4 1999/04/20 05:09:59 burnsbr
added rcsid variable
Revision 1.3 1999/04/20 05:08:54 burnsbr
fixed Log statement
*/
#include "config.h"
#include <zlib.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifndef MAXPATHLEN
#define MAXPATHLEN 1024
#endif
#ifdef HAVE_DIRENT_H
#include <dirent.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#include <string.h>
#include <errno.h>
#ifdef TM_IN_SYS_TIME
#include <sys/time.h>
#else
#include <time.h>
#endif
#include <getopt.h>
#include "jartool.h"
#include "zipfile.h"
#include "dostime.h"
#include "pushback.h"
#include "compress.h"
#include "shift.h"
/* Some systems have mkdir that takes a single argument. */
#ifdef MKDIR_TAKES_ONE_ARG
# define mkdir(a,b) mkdir(a)
#endif
#ifdef WORDS_BIGENDIAN
#define L2BI(l) ((l & 0xff000000) >> 24) | \
((l & 0x00ff0000) >> 8) | \
((l & 0x0000ff00) << 8) | \
((l & 0x000000ff) << 24);
#define L2BS(l) ((l & 0xff00) >> 8) | ((l & 0x00ff) << 8);
#endif
#ifndef errno
extern int errno;
#endif
#ifndef O_BINARY
#define O_BINARY 0
#endif
void usage(const char*);
void help(const char *);
void version(void);
void add_entry(struct zipentry *);
void init_headers(void);
int consume(pb_file *, int);
int list_jar(int, char**, int);
int extract_jar(int, char**, int);
int add_file_to_jar(int, int, const char*, struct stat*, int);
int add_to_jar(int, const char*, int);
int add_to_jar_with_dir(int, const char*, const char*, int);
int create_central_header(int);
int make_manifest(int, const char*, int);
int read_entries (int);
static void init_args(char **, int);
static char *get_next_arg (void);
static char *jt_strdup (char*);
static void expand_options (int *argcp, char ***argvp);
static struct zipentry *find_entry (const char *);
static int looks_like_dir (const char *);
/* global variables */
ub1 file_header[30];
ub1 data_descriptor[16];
int do_compress;
int seekable;
int verbose;
char *jarfile;
/* If non zero, then don't recurse in directory. Instead, add the
directory entry and relie on an explicit list of files to populate
the archive. This option isn't supported by the original jar tool. */
int use_explicit_list_only;
/* If non zero, then read the entry names from stdin. This option
isn't supported by the original jar tool. */
int read_names_from_stdin;
zipentry *ziplist; /* linked list of entries */
zipentry *ziptail; /* tail of the linked list */
int number_of_entries; /* number of entries in the linked list */
/* What we go by. */
const char *progname;
/* The offset of the end of the last zip entry. */
ub4 end_of_entries;
/* This is used to mark options with no short value. */
#define LONG_OPT(Num) ((Num) + 128)
#define OPT_HELP LONG_OPT (0)
/* This holds all options. */
#define OPTION_STRING "-ctxuvVf:m:C:0MiE@"
/* Define the MANIFEST content here to have it easier with calculations
below. This is for the case we create an empty MANIFEST.MF. */
#define MANIFEST_STR "Manifest-Version: 1.0\nCreated-By: "
#define MANIFEST_END "\n\n"
static const struct option options[] =
{
{ "help", no_argument, NULL, OPT_HELP },
{ "version", no_argument, NULL, 'V' },
{ NULL, no_argument, NULL, 0 }
};
int main(int argc, char **argv)
{
char *mfile = NULL;
int action = ACTION_NONE;
int manifest = TRUE;
int opt;
int jarfd = -1;
/* These are used to collect file names and `-C' options for the
second pass through the command line. */
int new_argc;
char **new_argv;
progname = argv[0];
do_compress = TRUE;
verbose = FALSE;
ziplist = NULL;
number_of_entries = 0;
if(argc < 2)
usage(argv[0]);
new_argc = 0;
new_argv = (char **) malloc (argc * sizeof (char *));
expand_options (&argc, &argv);
while ((opt = getopt_long (argc, argv, OPTION_STRING,
options, NULL)) != -1) {
switch(opt){
case 'C':
new_argv[new_argc++] = (char *) "-C";
/* ... fall through ... */
case 1:
/* File name or unparsed option, due to RETURN_IN_ORDER. */
new_argv[new_argc++] = optarg;
break;
case 'c':
action = ACTION_CREATE;
break;
case 't':
action = ACTION_LIST;
break;
case 'x':
action = ACTION_EXTRACT;
break;
case 'u':
action = ACTION_UPDATE;
break;
case 'v':
verbose = TRUE;
break;
case 'V':
version();
exit(0);
case 'f':
jarfile = optarg;
break;
case 'm':
mfile = optarg;
break;
case '0':
do_compress = FALSE;
break;
case 'M':
manifest = FALSE;
break;
case 'i':
action = ACTION_INDEX;
break;
case OPT_HELP:
help(argv[0]);
break;
/* The following options aren't supported by the original jar tool. */
case 'E':
use_explicit_list_only = TRUE;
break;
case '@':
read_names_from_stdin = TRUE;
break;
default:
usage(argv[0]);
}
}
if(verbose && action == ACTION_INDEX)
fprintf(stderr, "Warning: '-i' option is currently a no-op\n");
/* FIXME: implement -i option. */
if(action == ACTION_INDEX)
exit(0);
/* We might have seen `--'. In this case we want to make sure that
all following options are handled as file names. */
while (optind < argc)
new_argv[new_argc++] = argv[optind++];
new_argv[new_argc] = NULL;
if(action == ACTION_NONE){
fprintf(stderr, "%s: one of options -{ctxu} must be specified.\n",
progname);
usage(argv[0]);
}
/* Verify unsupported combinations and warn of the use of non
standard features */
if(verbose && use_explicit_list_only)
fprintf (stderr, "Warning: using non standard '-E' option\n");
if(verbose && read_names_from_stdin)
fprintf (stderr, "Warning: using non standard '-@' option\n");
if(read_names_from_stdin
&& (action != ACTION_CREATE && action != ACTION_UPDATE)){
fprintf(stderr, "%s: option '-@' is supported only with '-c' or '-u'.\n",
progname);
usage(argv[0]);
}
/* create the jarfile */
if(action == ACTION_CREATE){
if(jarfile){
jarfd = open(jarfile, O_CREAT | O_BINARY | O_WRONLY | O_TRUNC, 0666);
if(jarfd < 0){
fprintf(stderr, "%s: error opening %s for writing: %s\n", progname,
jarfile, strerror (errno));
exit(1);
}
/* We assume that the file is seekable */
seekable = TRUE;
} else {
jarfd = STDOUT_FILENO; /* jarfd is stdout otherwise */
/* standard out is not seekable */
seekable = FALSE;
/* don't want our output to be part of the jar file.. figured this one
out the hard way.. =P */
verbose = FALSE;
}
} else if(action == ACTION_LIST || action == ACTION_EXTRACT){
if(jarfile){
jarfd = open(jarfile, O_RDONLY | O_BINARY);
if(jarfd < 0){
fprintf(stderr, "%s: error opening %s for reading: %s\n", progname,
jarfile, strerror (errno));
exit(1);
}
seekable = TRUE;
} else {
jarfd = STDIN_FILENO; /* jarfd is standard in */
/* we assume that the stream isn't seekable for safety */
seekable = FALSE;
}
}
if (action == ACTION_UPDATE)
{
if (!jarfile)
{
fprintf (stderr, "%s: `-u' mode requires a file name\n",
argv[0]);
exit (1);
}
if ((jarfd = open (jarfile, O_RDWR | O_BINARY)) < 0)
{
fprintf (stderr, "Error opening %s for reading!\n", jarfile);
perror (jarfile);
exit (1);
}
/* Assert that jarfd is seekable. */
if (lseek (jarfd, 0, SEEK_CUR) == -1)
{
fprintf (stderr, "%s: %s is not seekable\n", argv[0], jarfile);
exit (1);
}
seekable = TRUE;
}
if(action == ACTION_CREATE || action == ACTION_UPDATE){
const char *arg;
init_headers();
if(do_compress)
init_compression();
if (action == ACTION_UPDATE)
{
if (read_entries (jarfd))
exit (1);
}
/* Add the META-INF/ directory and the manifest */
if(manifest && mfile)
make_manifest(jarfd, mfile, action == ACTION_UPDATE);
else if(manifest && action == ACTION_CREATE)
make_manifest(jarfd, NULL, FALSE);
init_args (new_argv, 0);
/* now we add the files to the archive */
while ((arg = get_next_arg ())){
if(!strcmp(arg, "-C")){
const char *dir_to_change = get_next_arg ();
const char *file_to_add = get_next_arg ();
if (!dir_to_change || !file_to_add) {
fprintf(stderr, "%s: error: missing argument for -C.\n", progname);
exit(1);
}
if (add_to_jar_with_dir(jarfd, dir_to_change, file_to_add,
action == ACTION_UPDATE))
{
fprintf(stderr,
"Error adding %s (in directory %s) to jar archive!\n",
file_to_add, dir_to_change);
exit(1);
}
} else {
if(add_to_jar(jarfd, arg, action == ACTION_UPDATE)){
fprintf(stderr, "Error adding %s to jar archive!\n", arg);
exit(1);
}
}
}
/* de-initialize the compression DS */
if(do_compress)
end_compression();
if (action == ACTION_UPDATE)
lseek (jarfd, end_of_entries, SEEK_SET);
create_central_header(jarfd);
#if ! (HAVE_FTRUNCATE || HAVE__CHSIZE)
#error neither ftruncate() or _chsize() available
#endif
/* Check if the file shrunk when we updated it. */
if (action == ACTION_UPDATE)
#if HAVE_FTRUNCATE
ftruncate (jarfd, lseek (jarfd, 0, SEEK_CUR));
#else
_chsize (jarfd, lseek (jarfd, 0, SEEK_CUR));
#endif
if (jarfd != STDIN_FILENO && close(jarfd) != 0) {
fprintf(stderr, "%s: error closing jar archive: %s\n",
progname, strerror (errno));
exit (1);
}
} else if(action == ACTION_LIST){
list_jar(jarfd, &new_argv[0], new_argc);
} else if(action == ACTION_EXTRACT){
extract_jar(jarfd, &new_argv[0], new_argc);
}
exit(0);
}
static int args_current_g;
static char **args_g;
static void
init_args(char **args, int current)
{
if(!read_names_from_stdin)
{
args_g = args;
args_current_g = current;
}
}
static char *
get_next_arg (void)
{
static int reached_end = 0;
if (reached_end)
return NULL;
if (args_g)
{
if (!args_g [args_current_g])
{
reached_end = 1;
return NULL;
}
return args_g [args_current_g++];
}
else
{
/* Read the name from stdin. Delimiters are '\n' and
'\r'. Reading EOF indicates that we don't have anymore file
names characters to read. */
char s [MAXPATHLEN];
int pos = 0;
/* Get rid of '\n' and '\r' first. */
while (1)
{
int c = getc (stdin);
if (c == '\n' || c == '\r')
continue;
else
{
if (c == EOF)
return NULL;
ungetc (c, stdin);
break;
}
}
while (1)
{
int c = getc (stdin);
/* Exit when we get a delimiter or don't have any characters
to read */
if (c == '\n'|| c == '\r'|| c == EOF)
break;
s [pos++] = (char) c;
}
if (pos)
{
s [pos] = '\0';
return jt_strdup (s);
}
else
return NULL;
}
}
void init_headers(void)
{
/* packing file header */
/* magic number */
file_header[0] = 0x50;
file_header[1] = 0x4b;
file_header[2] = 0x03;
file_header[3] = 0x04;
/* version number (Unix 1.0)*/
file_header[4] = 10;
file_header[5] = 0;
/* bit flag (normal deflation)*/
file_header[6] = 0x00;
file_header[7] = 0x00;
/* do_compression method (deflation) */
file_header[8] = 0;
file_header[9] = 0;
/* last mod file time (MS-DOS format) */
file_header[10] = 0;
file_header[11] = 0;
/* last mod file date (MS-DOS format) */
file_header[12] = 0;
file_header[13] = 0;
/* CRC 32 */
file_header[14] = 0;
file_header[15] = 0;
file_header[16] = 0;
file_header[17] = 0;
/* compressed size */
file_header[18] = 0;
file_header[19] = 0;
file_header[20] = 0;
file_header[21] = 0;
/* uncompressed size */
file_header[22] = 0;
file_header[23] = 0;
file_header[24] = 0;
file_header[25] = 0;
/* filename length */
file_header[26] = 0;
file_header[27] = 0;
/* extra field length */
file_header[28] = 0;
file_header[29] = 0;
/* Initialize the compression DS */
PACK_UB4(data_descriptor, 0, 0x08074b50);
}
void add_entry(struct zipentry *ze)
{
if(ziplist == NULL){
ziplist = ze;
ziptail = ziplist;
} else {
ziplist->next_entry = ze;
ziplist = ze;
}
number_of_entries++;
}
static struct zipentry *
find_entry (const char *fname)
{
struct zipentry *ze;
for (ze = ziptail; ze; ze = ze->next_entry)
{
if (!strcmp (ze->filename, fname))
return ze;
}
return NULL;
}
static int
looks_like_dir (const char *fname)
{
struct zipentry *ze;
size_t len = strlen (fname);
for (ze = ziptail; ze; ze = ze->next_entry)
{
if (strlen (ze->filename) > len
&& !strncmp (fname, ze->filename, len)
&& ze->filename[len] == '/')
return 1;
}
return 0;
}
/*
* Read the zip entries of an existing file, building `ziplist' as we go.
*/
int read_entries (int fd)
{
struct zipentry *ze;
ub1 intbuf[4];
ub1 header[46];
ub2 len;
ub2 count, i;
off_t offset;
if (lseek (fd, -22, SEEK_END) == -1)
{
fprintf (stderr, "%s: %s: can't seek file\n", progname, jarfile);
return 1;
}
if (read (fd, intbuf, 4) < 4)
{
perror (progname);
return 1;
}
/* Is there a zipfile comment? */
while (UNPACK_UB4(intbuf, 0) != 0x06054b50)
{
if (lseek (fd, -5, SEEK_CUR) == -1 ||
read (fd, intbuf, 4) != 4)
{
fprintf (stderr, "%s: can't find end of central directory: %s\n",
progname, strerror (errno));
return 1;
}
}
/* Skip disk numbers. */
if (lseek (fd, 6, SEEK_CUR) == -1)
{
perror (progname);
return 1;
}
/* Number of entries in the central directory. */
if (read (fd, intbuf, 2) != 2)
{
perror (progname);
return 1;
}
count = UNPACK_UB2(intbuf, 0);
if (lseek (fd, 4, SEEK_CUR) == -1)
{
perror (progname);
return 1;
}
/* Offset where the central directory begins. */
if (read (fd, intbuf, 4) != 4)
{
perror (progname);
return 1;
}
offset = UNPACK_UB4(intbuf, 0);
end_of_entries = offset;
if (lseek (fd, offset, SEEK_SET) != offset)
{
perror (progname);
return 1;
}
if (read (fd, header, 46) != 46)
{
fprintf (stderr, "%s: %s: unexpected end of file\n",
progname, jarfile);
return 1;
}
for (i = 0; i < count; i++)
{
if (UNPACK_UB4(header, 0) != 0x02014b50)
{
fprintf (stderr, "%s: can't find central directory header\n",
progname);
return 1;
}
ze = (struct zipentry *) malloc (sizeof (struct zipentry));
if (!ze)
{
perror (progname);
return 1;
}
memset (ze, 0, sizeof (struct zipentry));
ze->flags = UNPACK_UB2(header, CEN_FLAGS);
ze->mod_time = UNPACK_UB2(header, CEN_MODTIME);
ze->mod_date = UNPACK_UB2(header, CEN_MODDATE);
ze->crc = UNPACK_UB4(header, CEN_CRC);
ze->usize = UNPACK_UB4(header, CEN_USIZE);
ze->csize = UNPACK_UB4(header, CEN_CSIZE);
ze->offset = UNPACK_UB4(header, CEN_OFFSET);
ze->compressed = (header[CEN_COMP] || header[CEN_COMP+1]);
len = UNPACK_UB2(header, CEN_FNLEN);
ze->filename = (char *) malloc ((len+1) * sizeof (char));
if (!ze->filename)
{
perror (progname);
return 1;
}
if (read (fd, ze->filename, len) != len)
{
fprintf (stderr, "%s: %s: unexpected end of file\n",
progname, jarfile);
return 1;
}
len = UNPACK_UB4(header, CEN_EFLEN);
len += UNPACK_UB4(header, CEN_COMLEN);
if (lseek (fd, len, SEEK_CUR) == -1)
{
perror (progname);
return 1;
}
add_entry (ze);
if (i < count - 1)
{
if (read (fd, header, 46) != 46)
{
fprintf (stderr, "%s: %s: unexpected end of file\n",
progname, jarfile);
return 1;
}
}
}
lseek (fd, 0, SEEK_SET);
return 0;
}
int make_manifest(int jfd, const char *mf_name, int updating)
{
time_t current_time;
int nlen; /* length of file name */
int mod_time; /* file modification time */
struct zipentry *ze;
nlen = 9; /* trust me on this one */
memset((file_header + 12), '\0', 16); /*clear mod time, crc, size fields*/
current_time = time(NULL);
if(current_time == (time_t)-1){
perror("time");
exit(1);
}
mod_time = unix2dostime(¤t_time);
PACK_UB2(file_header, LOC_EXTRA, 0);
PACK_UB2(file_header, LOC_COMP, 0);
PACK_UB2(file_header, LOC_FNLEN, nlen);
PACK_UB4(file_header, LOC_MODTIME, mod_time);
if(verbose)
printf("adding: META-INF/ (in=0) (out=0) (stored 0%%)\n");
ze = (zipentry*)malloc(sizeof(zipentry));
if(ze == NULL){
perror("malloc");
exit(1);
}
memset(ze, 0, sizeof(zipentry)); /* clear all the fields*/
ze->filename = (char*)malloc((nlen + 1) * sizeof(char) + 1);
strcpy(ze->filename, "META-INF/");
ze->filename[nlen] = '\0';
ze->offset = lseek(jfd, 0, SEEK_CUR);
ze->mod_time = (ub2)(mod_time & 0x0000ffff);
ze->mod_date = (ub2)((mod_time & 0xffff0000) >> 16);
ze->compressed = FALSE;
add_entry(ze);
write(jfd, file_header, 30);
write(jfd, "META-INF/", nlen);
/* if the user didn't specify an external manifest file... */
if(mf_name == NULL){
int mf_len = strlen(MANIFEST_STR) + strlen(VERSION) + strlen(MANIFEST_END);
char *mf;
if((mf = (char *) malloc(mf_len + 1))) {
uLong crc;
sprintf(mf, "%s%s%s", MANIFEST_STR, VERSION, MANIFEST_END);
crc = crc32(0L, Z_NULL, 0);
crc = crc32(crc, (const unsigned char *)mf, mf_len);
nlen = 20; /* once again, trust me */
PACK_UB2(file_header, LOC_EXTRA, 0);
PACK_UB2(file_header, LOC_COMP, 0);
PACK_UB2(file_header, LOC_FNLEN, nlen);
PACK_UB4(file_header, LOC_USIZE, mf_len);
memcpy((file_header + LOC_CSIZE), (file_header + LOC_USIZE), 4);
PACK_UB4(file_header, LOC_CRC, crc);
if(verbose)
printf("adding: META-INF/MANIFEST.MF (in=56) (out=56) (stored 0%%)\n");
ze = (zipentry*)malloc(sizeof(zipentry));
if(ze == NULL){
perror("malloc");
exit(1);