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-rw-r--r--dpkg-split/main.c178
1 files changed, 178 insertions, 0 deletions
diff --git a/dpkg-split/main.c b/dpkg-split/main.c
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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>
+#if 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/options.h>
+
+#include "dpkg-split.h"
+
+static void DPKG_ATTR_NORET
+printversion(const struct cmdinfo *cip, const char *value)
+{
+ 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>"));
+
+ exit(0);
+}
+
+static void DPKG_ATTR_NORET
+usage(const struct cmdinfo *cip, const char *value)
+{
+ 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"
+" -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);
+
+ printf(_(
+"Exit status:\n"
+" 0 = ok\n"
+" 1 = with --auto, file is not a part\n"
+" 2 = trouble\n"));
+
+
+ m_output(stdout, _("<standard output>"));
+
+ exit(0);
+}
+
+static const char printforhelp[] = N_("Type dpkg-split --help for help.");
+
+off_t opt_maxpartsize = SPLITPARTDEFMAX;
+static const char *admindir;
+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),
+
+ { "help", '?', 0, NULL, NULL, usage },
+ { "version", 0, 0, NULL, NULL, printversion },
+ { "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);
+
+ admindir = dpkg_db_set_dir(admindir);
+ 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();
+
+ return ret;
+}