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/*
* dpkg-split - splitting and joining of multipart *.deb archives
* main.c - main program
*
* Copyright © 1994-1996 Ian Jackson <ijackson@chiark.greenend.org.uk>
* Copyright © 2006-2012 Guillem Jover <guillem@debian.org>
*
* This 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 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, see <https://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <compat.h>
#include <sys/types.h>
#include <errno.h>
#include <limits.h>
#include <inttypes.h>
#ifdef HAVE_LOCALE_H
#include <locale.h>
#endif
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <dpkg/macros.h>
#include <dpkg/i18n.h>
#include <dpkg/dpkg.h>
#include <dpkg/dpkg-db.h>
#include <dpkg/debug.h>
#include <dpkg/fsys.h>
#include <dpkg/options.h>
#include "dpkg-split.h"
static int
printversion(const char *const *argv)
{
printf(_("Debian '%s' package split/join tool; version %s.\n"),
SPLITTER, PACKAGE_RELEASE);
printf(_(
"This is free software; see the GNU General Public License version 2 or\n"
"later for copying conditions. There is NO warranty.\n"));
m_output(stdout, _("<standard output>"));
return 0;
}
static int
usage(const char *const *argv)
{
printf(_(
"Usage: %s [<option> ...] <command>\n"
"\n"), SPLITTER);
printf(_(
"Commands:\n"
" -s|--split <file> [<prefix>] Split an archive.\n"
" -j|--join <part> <part> ... Join parts together.\n"
" -I|--info <part> ... Display info about a part.\n"
" -a|--auto -o <complete> <part> Auto-accumulate parts.\n"
" -l|--listq List unmatched pieces.\n"
" -d|--discard [<filename> ...] Discard unmatched pieces.\n"
"\n"));
printf(_(
" -?, --help Show this help message.\n"
" --version Show the version.\n"
"\n"));
printf(_(
"Options:\n"
" --depotdir <directory> Use <directory> instead of %s/%s.\n"
" --admindir <directory> Use <directory> instead of %s.\n"
" --root <directory> Use <directory> instead of %s.\n"
" -S, --partsize <size> In KiB, for -s (default is 450).\n"
" -o, --output <file> Filename, for -j (default is\n"
" <package>_<version>_<arch>.deb).\n"
" -Q, --npquiet Be quiet when -a is not a part.\n"
" --msdos Generate 8.3 filenames.\n"
"\n"), ADMINDIR, PARTSDIR, ADMINDIR, "/");
printf(_(
"Exit status:\n"
" 0 = ok\n"
" 1 = with --auto, file is not a part\n"
" 2 = trouble\n"));
m_output(stdout, _("<standard output>"));
return 0;
}
static const char printforhelp[] = N_("Type dpkg-split --help for help.");
off_t opt_maxpartsize = SPLITPARTDEFMAX;
const char *opt_depotdir;
const char *opt_outputfile = NULL;
int opt_npquiet = 0;
int opt_msdos = 0;
void DPKG_ATTR_NORET
read_fail(int rc, const char *filename, const char *what)
{
if (rc >= 0)
ohshit(_("unexpected end of file in %s in %.255s"), what, filename);
else
ohshite(_("error reading %s from file %.255s"), what, filename);
}
static void
set_part_size(const struct cmdinfo *cip, const char *value)
{
off_t newpartsize;
char *endp;
errno = 0;
newpartsize = strtoimax(value, &endp, 10);
if (value == endp || *endp)
badusage(_("invalid integer for --%s: '%.250s'"), cip->olong, value);
if (newpartsize <= 0 || newpartsize > (INT_MAX >> 10) || errno == ERANGE)
badusage(_("part size is far too large or is not positive"));
opt_maxpartsize = newpartsize << 10;
if (opt_maxpartsize <= HEADERALLOWANCE)
badusage(_("part size must be at least %d KiB (to allow for header)"),
(HEADERALLOWANCE >> 10) + 1);
}
static const struct cmdinfo cmdinfos[]= {
ACTION("split", 's', 0, do_split),
ACTION("join", 'j', 0, do_join),
ACTION("info", 'I', 0, do_info),
ACTION("auto", 'a', 0, do_auto),
ACTION("listq", 'l', 0, do_queue),
ACTION("discard", 'd', 0, do_discard),
ACTION("help", '?', 0, usage),
ACTION("version", 0, 0, printversion),
{ "admindir", 0, 1, NULL, NULL, set_admindir, 0 },
{ "root", 0, 1, NULL, NULL, set_root, 0 },
{ "depotdir", 0, 1, NULL, &opt_depotdir, NULL },
{ "partsize", 'S', 1, NULL, NULL, set_part_size },
{ "output", 'o', 1, NULL, &opt_outputfile, NULL },
{ "npquiet", 'Q', 0, &opt_npquiet, NULL, NULL, 1 },
{ "msdos", 0, 0, &opt_msdos, NULL, NULL, 1 },
{ NULL, 0 }
};
int main(int argc, const char *const *argv) {
int ret;
dpkg_locales_init(PACKAGE);
dpkg_program_init(SPLITTER);
dpkg_options_parse(&argv, cmdinfos, printforhelp);
debug(dbg_general, "root=%s admindir=%s", dpkg_fsys_get_dir(), dpkg_db_get_dir());
if (opt_depotdir == NULL)
opt_depotdir = dpkg_db_get_path(PARTSDIR);
if (!cipaction) badusage(_("need an action option"));
ret = cipaction->action(argv);
m_output(stderr, _("<standard error>"));
dpkg_program_done();
dpkg_locales_done();
return ret;
}
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