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-rw-r--r--dpkg-split/Makefile.am27
-rw-r--r--dpkg-split/Makefile.in748
-rw-r--r--dpkg-split/dpkg-split.h84
-rw-r--r--dpkg-split/info.c292
-rw-r--r--dpkg-split/join.c151
-rw-r--r--dpkg-split/main.c178
-rw-r--r--dpkg-split/queue.c358
-rw-r--r--dpkg-split/split.c286
8 files changed, 2124 insertions, 0 deletions
diff --git a/dpkg-split/Makefile.am b/dpkg-split/Makefile.am
new file mode 100644
index 0000000..3db848d
--- /dev/null
+++ b/dpkg-split/Makefile.am
@@ -0,0 +1,27 @@
+## Process this file with automake to produce Makefile.in
+
+localedir = $(datadir)/locale
+AM_CPPFLAGS = \
+ -DLOCALEDIR=\"$(localedir)\" \
+ -DADMINDIR=\"$(admindir)\" \
+ -idirafter $(top_srcdir)/lib/compat \
+ -I$(top_builddir) \
+ -I$(top_srcdir)/lib
+
+
+bin_PROGRAMS = dpkg-split
+
+dpkg_split_SOURCES = \
+ dpkg-split.h \
+ info.c \
+ join.c \
+ main.c \
+ queue.c \
+ split.c
+
+dpkg_split_LDADD = \
+ ../lib/dpkg/libdpkg.la \
+ $(LIBINTL)
+
+install-data-local:
+ $(MKDIR_P) $(DESTDIR)$(admindir)/parts
diff --git a/dpkg-split/Makefile.in b/dpkg-split/Makefile.in
new file mode 100644
index 0000000..f11fefb
--- /dev/null
+++ b/dpkg-split/Makefile.in
@@ -0,0 +1,748 @@
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
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+ if test -z '$(MAKELEVEL)'; then \
+ false; \
+ elif test -n '$(MAKE_HOST)'; then \
+ true; \
+ elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+ true; \
+ else \
+ false; \
+ fi; \
+}
+am__make_running_with_option = \
+ case $${target_option-} in \
+ ?) ;; \
+ *) echo "am__make_running_with_option: internal error: invalid" \
+ "target option '$${target_option-}' specified" >&2; \
+ exit 1;; \
+ esac; \
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+ *\\[\ \ ]*) \
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+ | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \
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+ info.c \
+ join.c \
+ main.c \
+ queue.c \
+ split.c
+
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+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/split.Po@am__quote@ # am--include-marker
+
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+
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+
+clean-libtool:
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+
+ID: $(am__tagged_files)
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+ if test -f "$$i"; then \
+ echo "$(subdir)/$$i"; \
+ else \
+ echo "$$sdir/$$i"; \
+ fi; \
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+
+distclean-tags:
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+distdir: $(BUILT_SOURCES)
+ $(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
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+ sed -e "s|^$$srcdirstrip/||;t" \
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+ */*) $(MKDIR_P) `echo "$$dist_files" | \
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+ sort -u` ;; \
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+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+ test -f "$(distdir)/$$file" \
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+ || exit 1; \
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+ done
+check-am: all-am
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+ fi
+mostlyclean-generic:
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+distclean-generic:
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+ install-dvi-am install-exec install-exec-am install-html \
+ install-html-am install-info install-info-am install-man \
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+.PRECIOUS: Makefile
+
+
+install-data-local:
+ $(MKDIR_P) $(DESTDIR)$(admindir)/parts
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/dpkg-split/dpkg-split.h b/dpkg-split/dpkg-split.h
new file mode 100644
index 0000000..3064d4d
--- /dev/null
+++ b/dpkg-split/dpkg-split.h
@@ -0,0 +1,84 @@
+/*
+ * dpkg-split - splitting and joining of multipart *.deb archives
+ * dpkg-split.h - external definitions for this program
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright © 2008-2012 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/>.
+ */
+
+#ifndef DPKG_SPLIT_H
+#define DPKG_SPLIT_H
+
+#include <dpkg/ar.h>
+#include <dpkg/deb-version.h>
+
+action_func do_split;
+action_func do_join;
+action_func do_info;
+action_func do_auto;
+action_func do_queue;
+action_func do_discard;
+
+struct partinfo {
+ struct deb_version fmtversion;
+ const char *filename;
+ const char *package;
+ const char *version;
+ const char *arch;
+ const char *md5sum;
+ off_t orglength;
+ unsigned int thispartn, maxpartn;
+ off_t maxpartlen;
+ off_t thispartoffset;
+ off_t thispartlen;
+ /** Size of header in part file. */
+ off_t headerlen;
+ off_t filesize;
+};
+
+struct partqueue {
+ struct partqueue *nextinqueue;
+
+ /** Only fields filename, md5sum, maxpartlen, thispartn, maxpartn
+ * are valid; the rest are NULL. If the file is not named correctly
+ * to be a part file md5sum is NULL too and the numbers are zero. */
+ struct partinfo info;
+};
+
+extern off_t opt_maxpartsize;
+extern const char *opt_depotdir;
+extern const char *opt_outputfile;
+extern int opt_npquiet;
+extern int opt_msdos;
+
+void read_fail(int rc, const char *filename, const char *what) DPKG_ATTR_NORET;
+void print_info(const struct partinfo *pi);
+struct partinfo *read_info(struct dpkg_ar *ar, struct partinfo *ir);
+
+void reassemble(struct partinfo **partlist, const char *outputfile);
+void mustgetpartinfo(const char *filename, struct partinfo *ri);
+void addtopartlist(struct partinfo**, struct partinfo*, struct partinfo *refi);
+
+#define SPLITVERSION "2.1"
+
+#define PARTSDIR "parts"
+
+#define PARTMAGIC "debian-split"
+#define HEADERALLOWANCE 1024
+
+#define SPLITPARTDEFMAX (450 * 1024)
+
+#endif /* DPKG_SPLIT_H */
diff --git a/dpkg-split/info.c b/dpkg-split/info.c
new file mode 100644
index 0000000..58d1153
--- /dev/null
+++ b/dpkg-split/info.c
@@ -0,0 +1,292 @@
+/*
+ * dpkg-split - splitting and joining of multipart *.deb archives
+ * info.c - information about split archives
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright © 2008-2012 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/stat.h>
+
+#include <errno.h>
+#include <limits.h>
+#include <string.h>
+#include <unistd.h>
+#include <ar.h>
+#include <inttypes.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <dpkg/i18n.h>
+#include <dpkg/c-ctype.h>
+#include <dpkg/dpkg.h>
+#include <dpkg/dpkg-db.h>
+#include <dpkg/fdio.h>
+#include <dpkg/ar.h>
+#include <dpkg/options.h>
+
+#include "dpkg-split.h"
+
+static intmax_t
+parse_intmax(const char *value, const char *fn, const char *what)
+{
+ intmax_t r;
+ char *endp;
+
+ errno = 0;
+ r = strtoimax(value, &endp, 10);
+ if (value == endp || *endp)
+ ohshit(_("file '%.250s' is corrupt - bad digit (code %d) in %s"),
+ fn, *endp, what);
+ if (r < 0 || errno == ERANGE)
+ ohshit(_("file '%s' is corrupt; out of range integer in %s"), fn, what);
+ return r;
+}
+
+static char *nextline(char **ripp, const char *fn, const char *what) {
+ char *newline, *rip;
+
+ rip= *ripp;
+ if (!rip)
+ ohshit(_("file '%.250s' is corrupt - %.250s missing"), fn, what);
+ newline= strchr(rip,'\n');
+ if (!newline)
+ ohshit(_("file '%.250s' is corrupt - missing newline after %.250s"),
+ fn, what);
+ *ripp= newline+1;
+ while (newline > rip && c_isspace(newline[-1]))
+ newline--;
+ *newline = '\0';
+ return rip;
+}
+
+/**
+ * Read a deb-split part archive.
+ *
+ * @return Part info (nfmalloc'd) if was an archive part and we read it,
+ * NULL if it wasn't.
+ */
+struct partinfo *
+read_info(struct dpkg_ar *ar, struct partinfo *ir)
+{
+ static char *readinfobuf= NULL;
+ static size_t readinfobuflen= 0;
+
+ size_t thisilen;
+ intmax_t templong;
+ char magicbuf[sizeof(DPKG_AR_MAGIC) - 1], *rip, *partnums, *slash;
+ const char *err;
+ struct dpkg_ar_hdr arh;
+ ssize_t rc;
+
+ rc = fd_read(ar->fd, magicbuf, sizeof(magicbuf));
+ if (rc != sizeof(magicbuf)) {
+ if (rc < 0)
+ ohshite(_("error reading %.250s"), ar->name);
+ else
+ return NULL;
+ }
+ if (memcmp(magicbuf, DPKG_AR_MAGIC, sizeof(magicbuf)))
+ return NULL;
+
+ rc = fd_read(ar->fd, &arh, sizeof(arh));
+ if (rc != sizeof(arh))
+ read_fail(rc, ar->name, "ar header");
+
+ dpkg_ar_normalize_name(&arh);
+
+ if (strncmp(arh.ar_name, PARTMAGIC, sizeof(arh.ar_name)) != 0)
+ return NULL;
+ if (dpkg_ar_member_is_illegal(&arh))
+ ohshit(_("file '%.250s' is corrupt - bad magic at end of first header"),
+ ar->name);
+ thisilen = dpkg_ar_member_get_size(ar, &arh);
+ if (thisilen >= readinfobuflen) {
+ readinfobuflen = thisilen + 2;
+ readinfobuf= m_realloc(readinfobuf,readinfobuflen);
+ }
+ rc = fd_read(ar->fd, readinfobuf, thisilen + (thisilen & 1));
+ if (rc != (ssize_t)(thisilen + (thisilen & 1)))
+ read_fail(rc, ar->name, "reading header member");
+ if (thisilen & 1) {
+ int c = readinfobuf[thisilen + 1];
+
+ if (c != '\n')
+ ohshit(_("file '%.250s' is corrupt - bad padding character (code %d)"),
+ ar->name, c);
+ }
+ readinfobuf[thisilen] = '\0';
+ if (memchr(readinfobuf,0,thisilen))
+ ohshit(_("file '%.250s' is corrupt - nulls in info section"), ar->name);
+
+ ir->filename = ar->name;
+
+ rip= readinfobuf;
+ err = deb_version_parse(&ir->fmtversion,
+ nextline(&rip, ar->name, _("format version number")));
+ if (err)
+ ohshit(_("file '%.250s' has invalid format version: %s"), ar->name, err);
+ if (ir->fmtversion.major != 2)
+ ohshit(_("file '%.250s' is format version %d.%d; get a newer dpkg-split"),
+ ar->name, ir->fmtversion.major, ir->fmtversion.minor);
+
+ ir->package = nfstrsave(nextline(&rip, ar->name, _("package name")));
+ ir->version = nfstrsave(nextline(&rip, ar->name, _("package version number")));
+ ir->md5sum = nfstrsave(nextline(&rip, ar->name, _("package file MD5 checksum")));
+ if (strlen(ir->md5sum) != MD5HASHLEN ||
+ strspn(ir->md5sum, "0123456789abcdef") != MD5HASHLEN)
+ ohshit(_("file '%.250s' is corrupt - bad MD5 checksum '%.250s'"),
+ ar->name, ir->md5sum);
+
+ ir->orglength = parse_intmax(nextline(&rip, ar->name, _("archive total size")),
+ ar->name, _("archive total size"));
+ ir->maxpartlen = parse_intmax(nextline(&rip, ar->name, _("archive part offset")),
+ ar->name, _("archive part offset"));
+
+ partnums = nextline(&rip, ar->name, _("archive part numbers"));
+ slash= strchr(partnums,'/');
+ if (!slash)
+ ohshit(_("file '%.250s' is corrupt - no slash between archive part numbers"), ar->name);
+ *slash++ = '\0';
+
+ templong = parse_intmax(slash, ar->name, _("number of archive parts"));
+ if (templong <= 0 || templong > INT_MAX)
+ ohshit(_("file '%.250s' is corrupt - bad number of archive parts"), ar->name);
+ ir->maxpartn= templong;
+ templong = parse_intmax(partnums, ar->name, _("archive parts number"));
+ if (templong <= 0 || templong > ir->maxpartn)
+ ohshit(_("file '%.250s' is corrupt - bad archive part number"), ar->name);
+ ir->thispartn= templong;
+
+ /* If the package was created with dpkg 1.16.1 or later it will include
+ * the architecture. */
+ if (*rip != '\0')
+ ir->arch = nfstrsave(nextline(&rip, ar->name, _("package architecture")));
+ else
+ ir->arch = NULL;
+
+ rc = fd_read(ar->fd, &arh, sizeof(arh));
+ if (rc != sizeof(arh))
+ read_fail(rc, ar->name, "reading data part member ar header");
+
+ dpkg_ar_normalize_name(&arh);
+
+ if (dpkg_ar_member_is_illegal(&arh))
+ ohshit(_("file '%.250s' is corrupt - bad magic at end of second header"),
+ ar->name);
+ if (strncmp(arh.ar_name,"data",4))
+ ohshit(_("file '%.250s' is corrupt - second member is not data member"),
+ ar->name);
+
+ ir->thispartlen = dpkg_ar_member_get_size(ar, &arh);
+ ir->thispartoffset= (ir->thispartn-1)*ir->maxpartlen;
+
+ if (ir->maxpartn != (ir->orglength+ir->maxpartlen-1)/ir->maxpartlen)
+ ohshit(_("file '%.250s' is corrupt - wrong number of parts for quoted sizes"),
+ ar->name);
+ if (ir->thispartlen !=
+ (ir->thispartn == ir->maxpartn
+ ? ir->orglength - ir->thispartoffset : ir->maxpartlen))
+ ohshit(_("file '%.250s' is corrupt - size is wrong for quoted part number"),
+ ar->name);
+
+ ir->filesize = (strlen(DPKG_AR_MAGIC) +
+ sizeof(arh) + thisilen + (thisilen & 1) +
+ sizeof(arh) + ir->thispartlen + (ir->thispartlen & 1));
+
+ if (S_ISREG(ar->mode)) {
+ /* Don't do this check if it's coming from a pipe or something. It's
+ * only an extra sanity check anyway. */
+ if (ar->size < ir->filesize)
+ ohshit(_("file '%.250s' is corrupt - too short"), ar->name);
+ }
+
+ ir->headerlen = strlen(DPKG_AR_MAGIC) +
+ sizeof(arh) + thisilen + (thisilen & 1) + sizeof(arh);
+
+ return ir;
+}
+
+void mustgetpartinfo(const char *filename, struct partinfo *ri) {
+ struct dpkg_ar *part;
+
+ part = dpkg_ar_open(filename);
+ if (!part)
+ ohshite(_("cannot open archive part file '%.250s'"), filename);
+ if (!read_info(part, ri))
+ ohshite(_("file '%.250s' is not an archive part"), filename);
+ dpkg_ar_close(part);
+}
+
+void print_info(const struct partinfo *pi) {
+ printf(_("%s:\n"
+ " Part format version: %d.%d\n"
+ " Part of package: %s\n"
+ " ... version: %s\n"
+ " ... architecture: %s\n"
+ " ... MD5 checksum: %s\n"
+ " ... length: %jd bytes\n"
+ " ... split every: %jd bytes\n"
+ " Part number: %d/%d\n"
+ " Part length: %jd bytes\n"
+ " Part offset: %jd bytes\n"
+ " Part file size (used portion): %jd bytes\n\n"),
+ pi->filename,
+ pi->fmtversion.major, pi->fmtversion.minor,
+ pi->package,
+ pi->version,
+ pi->arch ? pi->arch : C_("architecture", "<unknown>"),
+ pi->md5sum,
+ (intmax_t)pi->orglength,
+ (intmax_t)pi->maxpartlen,
+ pi->thispartn,
+ pi->maxpartn,
+ (intmax_t)pi->thispartlen,
+ (intmax_t)pi->thispartoffset,
+ (intmax_t)pi->filesize);
+}
+
+int
+do_info(const char *const *argv)
+{
+ const char *thisarg;
+ struct partinfo *pi, ps;
+ struct dpkg_ar *part;
+
+ if (!*argv)
+ badusage(_("--%s requires one or more part file arguments"),
+ cipaction->olong);
+
+ while ((thisarg= *argv++)) {
+ part = dpkg_ar_open(thisarg);
+ if (!part)
+ ohshite(_("cannot open archive part file '%.250s'"), thisarg);
+ pi = read_info(part, &ps);
+ dpkg_ar_close(part);
+ if (pi) {
+ print_info(pi);
+ } else {
+ printf(_("file '%s' is not an archive part\n"), thisarg);
+ }
+ m_output(stdout, _("<standard output>"));
+ }
+
+ return 0;
+}
diff --git a/dpkg-split/join.c b/dpkg-split/join.c
new file mode 100644
index 0000000..40afb37
--- /dev/null
+++ b/dpkg-split/join.c
@@ -0,0 +1,151 @@
+/*
+ * dpkg-split - splitting and joining of multipart *.deb archives
+ * join.c - joining
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ *
+ * 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 <limits.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <dpkg/i18n.h>
+#include <dpkg/dpkg.h>
+#include <dpkg/dpkg-db.h>
+#include <dpkg/buffer.h>
+#include <dpkg/options.h>
+
+#include "dpkg-split.h"
+
+void reassemble(struct partinfo **partlist, const char *outputfile) {
+ struct dpkg_error err;
+ int fd_out, fd_in;
+ unsigned int i;
+
+ printf(P_("Putting package %s together from %d part: ",
+ "Putting package %s together from %d parts: ",
+ partlist[0]->maxpartn),
+ partlist[0]->package,partlist[0]->maxpartn);
+
+ fd_out = creat(outputfile, 0644);
+ if (fd_out < 0)
+ ohshite(_("unable to open output file '%.250s'"), outputfile);
+ for (i=0; i<partlist[0]->maxpartn; i++) {
+ struct partinfo *pi = partlist[i];
+
+ fd_in = open(pi->filename, O_RDONLY);
+ if (fd_in < 0)
+ ohshite(_("unable to (re)open input part file '%.250s'"), pi->filename);
+ if (fd_skip(fd_in, pi->headerlen, &err) < 0)
+ ohshit(_("cannot skip split package header for '%s': %s"), pi->filename,
+ err.str);
+ if (fd_fd_copy(fd_in, fd_out, pi->thispartlen, &err) < 0)
+ ohshit(_("cannot append split package part '%s' to '%s': %s"),
+ pi->filename, outputfile, err.str);
+ close(fd_in);
+
+ printf("%u ", i + 1);
+ }
+ if (fsync(fd_out))
+ ohshite(_("unable to sync file '%s'"), outputfile);
+ if (close(fd_out))
+ ohshite(_("unable to close file '%s'"), outputfile);
+
+ printf(_("done\n"));
+}
+
+
+void addtopartlist(struct partinfo **partlist,
+ struct partinfo *pi, struct partinfo *refi) {
+ int i;
+
+ if (strcmp(pi->package,refi->package) ||
+ strcmp(pi->version,refi->version) ||
+ strcmp(pi->md5sum,refi->md5sum) ||
+ pi->orglength != refi->orglength ||
+ pi->maxpartn != refi->maxpartn ||
+ pi->maxpartlen != refi->maxpartlen) {
+ print_info(pi);
+ print_info(refi);
+ ohshit(_("files '%.250s' and '%.250s' are not parts of the same file"),
+ pi->filename,refi->filename);
+ }
+ i= pi->thispartn-1;
+ if (partlist[i])
+ ohshit(_("there are several versions of part %d - at least '%.250s' and '%.250s'"),
+ pi->thispartn, pi->filename, partlist[i]->filename);
+ partlist[i]= pi;
+}
+
+int
+do_join(const char *const *argv)
+{
+ const char *thisarg;
+ struct partqueue *queue = NULL;
+ struct partqueue *pq;
+ struct partinfo *refi, **partlist;
+ unsigned int i;
+
+ if (!*argv)
+ badusage(_("--%s requires one or more part file arguments"),
+ cipaction->olong);
+ while ((thisarg= *argv++)) {
+ pq = nfmalloc(sizeof(*pq));
+
+ mustgetpartinfo(thisarg,&pq->info);
+
+ pq->nextinqueue= queue;
+ queue= pq;
+ }
+ refi= NULL;
+ for (pq= queue; pq; pq= pq->nextinqueue)
+ if (!refi || pq->info.thispartn < refi->thispartn) refi= &pq->info;
+ if (refi == NULL)
+ internerr("empty deb part queue");
+
+ partlist = nfmalloc(sizeof(*partlist) * refi->maxpartn);
+ for (i = 0; i < refi->maxpartn; i++)
+ partlist[i] = NULL;
+ for (pq= queue; pq; pq= pq->nextinqueue) {
+ struct partinfo *pi = &pq->info;
+
+ addtopartlist(partlist,pi,refi);
+ }
+ for (i=0; i<refi->maxpartn; i++) {
+ if (!partlist[i]) ohshit(_("part %d is missing"),i+1);
+ }
+ if (!opt_outputfile) {
+ char *p;
+
+ p= nfmalloc(strlen(refi->package)+1+strlen(refi->version)+sizeof(DEBEXT));
+ strcpy(p,refi->package);
+ strcat(p, "_");
+ strcat(p,refi->version);
+ strcat(p, "_");
+ strcat(p, refi->arch ? refi->arch : "unknown");
+ strcat(p,DEBEXT);
+ opt_outputfile = p;
+ }
+ reassemble(partlist, opt_outputfile);
+
+ return 0;
+}
diff --git a/dpkg-split/main.c b/dpkg-split/main.c
new file mode 100644
index 0000000..bcc1dc7
--- /dev/null
+++ b/dpkg-split/main.c
@@ -0,0 +1,178 @@
+/*
+ * 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;
+}
diff --git a/dpkg-split/queue.c b/dpkg-split/queue.c
new file mode 100644
index 0000000..6f96880
--- /dev/null
+++ b/dpkg-split/queue.c
@@ -0,0 +1,358 @@
+/*
+ * dpkg-split - splitting and joining of multipart *.deb archives
+ * queue.c - queue management
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright © 2008-2014 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/stat.h>
+
+#include <errno.h>
+#include <limits.h>
+#include <inttypes.h>
+#include <string.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <dpkg/i18n.h>
+#include <dpkg/dpkg.h>
+#include <dpkg/dpkg-db.h>
+#include <dpkg/dir.h>
+#include <dpkg/buffer.h>
+#include <dpkg/options.h>
+
+#include "dpkg-split.h"
+
+/*
+ * The queue, by default located in /var/lib/dpkg/parts/, is a plain
+ * directory with one file per part.
+ *
+ * Each part is named “<md5sum>.<maxpartlen>.<thispartn>.<maxpartn>”,
+ * with all numbers in hex.
+ */
+
+
+static bool
+decompose_filename(const char *filename, struct partqueue *pq)
+{
+ const char *p;
+ char *q;
+
+ if (strspn(filename, "0123456789abcdef") != MD5HASHLEN ||
+ filename[MD5HASHLEN] != '.')
+ return false;
+
+ pq->info.md5sum = nfstrnsave(filename, MD5HASHLEN);
+
+ p = filename + MD5HASHLEN + 1;
+ errno = 0;
+ pq->info.maxpartlen = strtoimax(p, &q, 16);
+ if (q == p || *q++ != '.' || errno != 0)
+ return false;
+
+ p = q;
+ pq->info.thispartn = (int)strtol(p, &q, 16);
+ if (q == p || *q++ != '.' || errno != 0)
+ return false;
+
+ p = q;
+ pq->info.maxpartn = (int)strtol(p, &q, 16);
+ if (q == p || *q || errno != 0)
+ return false;
+
+ return true;
+}
+
+static struct partqueue *
+scandepot(void)
+{
+ DIR *depot;
+ struct dirent *de;
+ struct partqueue *queue = NULL;
+
+ depot = opendir(opt_depotdir);
+ if (!depot)
+ ohshite(_("unable to read depot directory '%.250s'"), opt_depotdir);
+ while ((de= readdir(depot))) {
+ struct partqueue *pq;
+ char *p;
+
+ if (de->d_name[0] == '.') continue;
+ pq = nfmalloc(sizeof(*pq));
+ pq->info.fmtversion.major = 0;
+ pq->info.fmtversion.minor = 0;
+ pq->info.package = NULL;
+ pq->info.version = NULL;
+ pq->info.arch = NULL;
+ pq->info.orglength= pq->info.thispartoffset= pq->info.thispartlen= 0;
+ pq->info.headerlen= 0;
+ p = nfmalloc(strlen(opt_depotdir) + 1 + strlen(de->d_name) + 1);
+ sprintf(p, "%s/%s", opt_depotdir, de->d_name);
+ pq->info.filename= p;
+ if (!decompose_filename(de->d_name,pq)) {
+ pq->info.md5sum= NULL;
+ pq->info.maxpartlen= pq->info.thispartn= pq->info.maxpartn= 0;
+ }
+ pq->nextinqueue= queue;
+ queue= pq;
+ }
+ closedir(depot);
+
+ return queue;
+}
+
+static bool
+partmatches(struct partinfo *pi, struct partinfo *refi)
+{
+ return (pi->md5sum &&
+ strcmp(pi->md5sum, refi->md5sum) == 0 &&
+ pi->maxpartn == refi->maxpartn &&
+ pi->maxpartlen == refi->maxpartlen);
+}
+
+int
+do_auto(const char *const *argv)
+{
+ const char *partfile;
+ struct partinfo *refi, **partlist, *otherthispart;
+ struct partqueue *queue;
+ struct partqueue *pq;
+ struct dpkg_ar *part;
+ unsigned int i;
+ int j;
+
+ if (!opt_outputfile)
+ badusage(_("--auto requires the use of the --output option"));
+ partfile = *argv++;
+ if (partfile == NULL || *argv)
+ badusage(_("--auto requires exactly one part file argument"));
+
+ refi = nfmalloc(sizeof(*refi));
+ part = dpkg_ar_open(partfile);
+ if (!part)
+ ohshite(_("unable to read part file '%.250s'"), partfile);
+ if (!read_info(part, refi)) {
+ if (!opt_npquiet)
+ printf(_("File '%.250s' is not part of a multipart archive.\n"), partfile);
+ m_output(stdout, _("<standard output>"));
+ return 1;
+ }
+ dpkg_ar_close(part);
+
+ queue = scandepot();
+ partlist = nfmalloc(sizeof(*partlist) * refi->maxpartn);
+ for (i = 0; i < refi->maxpartn; i++)
+ partlist[i] = NULL;
+ for (pq= queue; pq; pq= pq->nextinqueue) {
+ struct partinfo *npi, *pi = &pq->info;
+
+ if (!partmatches(pi,refi)) continue;
+ npi = nfmalloc(sizeof(*npi));
+ mustgetpartinfo(pi->filename,npi);
+ addtopartlist(partlist,npi,refi);
+ }
+ /* If we already have a copy of this version we ignore it and prefer the
+ * new one, but we still want to delete the one in the depot, so we
+ * save its partinfo (with the filename) for later. This also prevents
+ * us from accidentally deleting the source file. */
+ otherthispart= partlist[refi->thispartn-1];
+ partlist[refi->thispartn-1]= refi;
+ for (j=refi->maxpartn-1; j>=0 && partlist[j]; j--);
+
+ if (j>=0) {
+ struct dpkg_error err;
+ int fd_src, fd_dst;
+ int ap;
+ char *p, *q;
+
+ p = str_fmt("%s/t.%lx", opt_depotdir, (long)getpid());
+ q = str_fmt("%s/%s.%jx.%x.%x", opt_depotdir, refi->md5sum,
+ (intmax_t)refi->maxpartlen, refi->thispartn, refi->maxpartn);
+
+ fd_src = open(partfile, O_RDONLY);
+ if (fd_src < 0)
+ ohshite(_("unable to reopen part file '%.250s'"), partfile);
+ fd_dst = creat(p, 0644);
+ if (fd_dst < 0)
+ ohshite(_("unable to open new depot file '%.250s'"), p);
+
+ if (fd_fd_copy(fd_src, fd_dst, refi->filesize, &err) < 0)
+ ohshit(_("cannot extract split package part '%s': %s"),
+ partfile, err.str);
+
+ if (fsync(fd_dst))
+ ohshite(_("unable to sync file '%s'"), p);
+ if (close(fd_dst))
+ ohshite(_("unable to close file '%s'"), p);
+ close(fd_src);
+
+ if (rename(p, q))
+ ohshite(_("unable to rename new depot file '%.250s' to '%.250s'"), p, q);
+ free(q);
+ free(p);
+
+ printf(_("Part %d of package %s filed (still want "),refi->thispartn,refi->package);
+ /* There are still some parts missing. */
+ for (i=0, ap=0; i<refi->maxpartn; i++)
+ if (!partlist[i])
+ printf("%s%d", !ap++ ? "" : i == (unsigned int)j ? _(" and ") : ", ", i + 1);
+ printf(").\n");
+
+ dir_sync_path(opt_depotdir);
+ } else {
+
+ /* We have all the parts. */
+ reassemble(partlist, opt_outputfile);
+
+ /* OK, delete all the parts (except the new one, which we never copied). */
+ partlist[refi->thispartn-1]= otherthispart;
+ for (i=0; i<refi->maxpartn; i++)
+ if (partlist[i])
+ if (unlink(partlist[i]->filename))
+ ohshite(_("unable to delete used-up depot file '%.250s'"),
+ partlist[i]->filename);
+
+ }
+
+ m_output(stderr, _("<standard error>"));
+
+ return 0;
+}
+
+int
+do_queue(const char *const *argv)
+{
+ struct partqueue *queue;
+ struct partqueue *pq;
+ const char *head;
+ struct stat stab;
+ off_t bytes;
+
+ if (*argv)
+ badusage(_("--%s takes no arguments"), cipaction->olong);
+
+ queue = scandepot();
+
+ head= N_("Junk files left around in the depot directory:\n");
+ for (pq= queue; pq; pq= pq->nextinqueue) {
+ if (pq->info.md5sum) continue;
+ fputs(gettext(head),stdout); head= "";
+ if (lstat(pq->info.filename,&stab))
+ ohshit(_("unable to stat '%.250s'"), pq->info.filename);
+ if (S_ISREG(stab.st_mode)) {
+ bytes= stab.st_size;
+ printf(_(" %s (%jd bytes)\n"), pq->info.filename, (intmax_t)bytes);
+ } else {
+ printf(_(" %s (not a plain file)\n"),pq->info.filename);
+ }
+ }
+ if (!*head) putchar('\n');
+
+ head= N_("Packages not yet reassembled:\n");
+ for (pq= queue; pq; pq= pq->nextinqueue) {
+ struct partinfo ti;
+ unsigned int i;
+
+ if (!pq->info.md5sum) continue;
+ mustgetpartinfo(pq->info.filename,&ti);
+ fputs(gettext(head),stdout); head= "";
+ printf(_(" Package %s: part(s) "), ti.package);
+ bytes= 0;
+ for (i=0; i<ti.maxpartn; i++) {
+ struct partqueue *qq;
+
+ for (qq= pq;
+ qq && !(partmatches(&qq->info,&ti) && qq->info.thispartn == i+1);
+ qq= qq->nextinqueue);
+ if (qq) {
+ printf("%d ",i+1);
+ if (lstat(qq->info.filename,&stab))
+ ohshite(_("unable to stat '%.250s'"), qq->info.filename);
+ if (!S_ISREG(stab.st_mode))
+ ohshit(_("part file '%.250s' is not a plain file"), qq->info.filename);
+ bytes+= stab.st_size;
+
+ /* Don't find this package again. */
+ qq->info.md5sum = NULL;
+ }
+ }
+ printf(_("(total %jd bytes)\n"), (intmax_t)bytes);
+ }
+ m_output(stdout, _("<standard output>"));
+
+ return 0;
+}
+
+enum discard_which {
+ DISCARD_PART_JUNK,
+ DISCARD_PART_PACKAGE,
+ DISCARD_PART_ALL,
+};
+
+static void
+discard_parts(struct partqueue *queue, enum discard_which which,
+ const char *package)
+{
+ struct partqueue *pq;
+
+ for (pq= queue; pq; pq= pq->nextinqueue) {
+ switch (which) {
+ case DISCARD_PART_JUNK:
+ if (pq->info.md5sum) continue;
+ break;
+ case DISCARD_PART_PACKAGE:
+ if (!pq->info.md5sum || strcasecmp(pq->info.package,package)) continue;
+ break;
+ case DISCARD_PART_ALL:
+ break;
+ default:
+ internerr("unknown discard_which '%d'", which);
+ }
+ if (unlink(pq->info.filename))
+ ohshite(_("unable to discard '%.250s'"), pq->info.filename);
+ printf(_("Deleted %s.\n"),pq->info.filename);
+ }
+}
+
+int
+do_discard(const char *const *argv)
+{
+ const char *thisarg;
+ struct partqueue *queue;
+ struct partqueue *pq;
+
+ queue = scandepot();
+ if (*argv) {
+ for (pq= queue; pq; pq= pq->nextinqueue)
+ if (pq->info.md5sum)
+ mustgetpartinfo(pq->info.filename,&pq->info);
+ discard_parts(queue, DISCARD_PART_JUNK, NULL);
+ while ((thisarg = *argv++))
+ discard_parts(queue, DISCARD_PART_PACKAGE, thisarg);
+ } else {
+ discard_parts(queue, DISCARD_PART_ALL, NULL);
+ }
+
+ return 0;
+}
diff --git a/dpkg-split/split.c b/dpkg-split/split.c
new file mode 100644
index 0000000..e197b22
--- /dev/null
+++ b/dpkg-split/split.c
@@ -0,0 +1,286 @@
+/*
+ * dpkg-split - splitting and joining of multipart *.deb archives
+ * split.c - splitting archives
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright © 2008-2015 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 <sys/stat.h>
+#include <sys/wait.h>
+
+#include <errno.h>
+#include <limits.h>
+#include <fcntl.h>
+#include <libgen.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <dpkg/i18n.h>
+#include <dpkg/c-ctype.h>
+#include <dpkg/dpkg.h>
+#include <dpkg/dpkg-db.h>
+#include <dpkg/parsedump.h>
+#include <dpkg/path.h>
+#include <dpkg/string.h>
+#include <dpkg/subproc.h>
+#include <dpkg/buffer.h>
+#include <dpkg/ar.h>
+#include <dpkg/options.h>
+
+#include "dpkg-split.h"
+
+/**
+ * Parse the control file from a .deb package into a struct pkginfo.
+ */
+static struct pkginfo *
+deb_parse_control(const char *filename)
+{
+ struct parsedb_state *ps;
+ struct pkginfo *pkg;
+ pid_t pid;
+ int p[2];
+
+ m_pipe(p);
+
+ pid = subproc_fork();
+ if (pid == 0) {
+ /* Child writes to pipe. */
+ m_dup2(p[1], 1);
+ close(p[0]);
+ close(p[1]);
+
+ execlp(BACKEND, BACKEND, "--info", filename, "control", NULL);
+ ohshite(_("unable to execute %s (%s)"),
+ _("package field value extraction"), BACKEND);
+ }
+ close(p[1]);
+
+ /* Parent reads from pipe. */
+ ps = parsedb_new(_("<dpkg-deb --info pipe>"), p[0], pdb_parse_binary);
+ parsedb_load(ps);
+ parsedb_parse(ps, &pkg);
+ parsedb_close(ps);
+
+ close(p[0]);
+
+ subproc_reap(pid, _("package field value extraction"), SUBPROC_NOPIPE);
+
+ return pkg;
+}
+
+static time_t
+parse_timestamp(const char *value)
+{
+ time_t timestamp;
+ char *end;
+
+ errno = 0;
+ timestamp = strtol(value, &end, 10);
+ if (value == end || *end || errno != 0)
+ ohshite(_("unable to parse timestamp '%.255s'"), value);
+
+ return timestamp;
+}
+
+/* Cleanup filename for use in crippled msdos systems. */
+static char *
+clean_msdos_filename(char *filename)
+{
+ char *d, *s;
+
+ for (s = d = filename; *s; d++, s++) {
+ if (*s == '+')
+ *d = 'x';
+ else if (c_isupper(*s))
+ *d = c_tolower(*s);
+ else if (c_islower(*s) || c_isdigit(*s))
+ *d = *s;
+ else
+ s++;
+ }
+
+ return filename;
+}
+
+static int
+mksplit(const char *file_src, const char *prefix, off_t maxpartsize,
+ bool msdos)
+{
+ struct pkginfo *pkg;
+ struct dpkg_error err;
+ int fd_src;
+ struct stat st;
+ time_t timestamp;
+ const char *timestamp_str;
+ const char *version;
+ char hash[MD5HASHLEN + 1];
+ int nparts, curpart;
+ off_t partsize;
+ off_t cur_partsize, last_partsize;
+ char *prefixdir = NULL, *msdos_prefix = NULL;
+ struct varbuf file_dst = VARBUF_INIT;
+ struct varbuf partmagic = VARBUF_INIT;
+ struct varbuf partname = VARBUF_INIT;
+
+ fd_src = open(file_src, O_RDONLY);
+ if (fd_src < 0)
+ ohshite(_("unable to open source file '%.250s'"), file_src);
+ if (fstat(fd_src, &st))
+ ohshite(_("unable to fstat source file"));
+ if (!S_ISREG(st.st_mode))
+ ohshit(_("source file '%.250s' not a plain file"), file_src);
+
+ if (fd_md5(fd_src, hash, -1, &err) < 0)
+ ohshit(_("cannot compute MD5 hash for file '%s': %s"),
+ file_src, err.str);
+ lseek(fd_src, 0, SEEK_SET);
+
+ pkg = deb_parse_control(file_src);
+ version = versiondescribe(&pkg->available.version, vdew_nonambig);
+
+ timestamp_str = getenv("SOURCE_DATE_EPOCH");
+ if (timestamp_str)
+ timestamp = parse_timestamp(timestamp_str);
+ else
+ timestamp = time(NULL);
+
+ partsize = maxpartsize - HEADERALLOWANCE;
+ last_partsize = st.st_size % partsize;
+ if (last_partsize == 0)
+ last_partsize = partsize;
+ nparts = (st.st_size + partsize - 1) / partsize;
+
+ printf(P_("Splitting package %s into %d part: ",
+ "Splitting package %s into %d parts: ", nparts),
+ pkg->set->name, nparts);
+
+ if (msdos) {
+ char *t;
+
+ t = m_strdup(prefix);
+ prefixdir = m_strdup(dirname(t));
+ free(t);
+
+ msdos_prefix = m_strdup(path_basename(prefix));
+ prefix = clean_msdos_filename(msdos_prefix);
+ }
+
+ for (curpart = 1; curpart <= nparts; curpart++) {
+ struct dpkg_ar *ar;
+
+ varbuf_reset(&file_dst);
+ /* Generate output filename. */
+ if (msdos) {
+ char *refname;
+ int prefix_max;
+
+ refname = str_fmt("%dof%d", curpart, nparts);
+ prefix_max = max(8 - strlen(refname), 0);
+ varbuf_printf(&file_dst, "%s/%.*s%.8s.deb",
+ prefixdir, prefix_max, prefix, refname);
+ free(refname);
+ } else {
+ varbuf_printf(&file_dst, "%s.%dof%d.deb",
+ prefix, curpart, nparts);
+ }
+
+ if (curpart == nparts)
+ cur_partsize = last_partsize;
+ else
+ cur_partsize = partsize;
+
+ if (cur_partsize > maxpartsize) {
+ ohshit(_("header is too long, making part too long; "
+ "the package name or version\n"
+ "numbers must be extraordinarily long, "
+ "or something; giving up"));
+ }
+
+ /* Split the data. */
+ ar = dpkg_ar_create(file_dst.buf, 0644);
+ dpkg_ar_set_mtime(ar, timestamp);
+
+ /* Write the ar header. */
+ dpkg_ar_put_magic(ar);
+
+ /* Write the debian-split part. */
+ varbuf_printf(&partmagic,
+ "%s\n%s\n%s\n%s\n%jd\n%jd\n%d/%d\n%s\n",
+ SPLITVERSION, pkg->set->name, version, hash,
+ (intmax_t)st.st_size, (intmax_t)partsize,
+ curpart, nparts, pkg->available.arch->name);
+ dpkg_ar_member_put_mem(ar, PARTMAGIC,
+ partmagic.buf, partmagic.used);
+ varbuf_reset(&partmagic);
+
+ /* Write the data part. */
+ varbuf_printf(&partname, "data.%d", curpart);
+ dpkg_ar_member_put_file(ar, partname.buf,
+ fd_src, cur_partsize);
+ varbuf_reset(&partname);
+
+ dpkg_ar_close(ar);
+
+ printf("%d ", curpart);
+ }
+
+ varbuf_destroy(&file_dst);
+ varbuf_destroy(&partname);
+ varbuf_destroy(&partmagic);
+
+ free(prefixdir);
+ free(msdos_prefix);
+
+ close(fd_src);
+
+ printf(_("done\n"));
+
+ return 0;
+}
+
+int
+do_split(const char *const *argv)
+{
+ const char *sourcefile, *prefix;
+
+ sourcefile = *argv++;
+ if (!sourcefile)
+ badusage(_("--split needs a source filename argument"));
+ prefix = *argv++;
+ if (prefix && *argv)
+ badusage(_("--split takes at most a source filename and destination prefix"));
+ if (!prefix) {
+ size_t sourcefile_len = strlen(sourcefile);
+
+ if (str_match_end(sourcefile, DEBEXT))
+ sourcefile_len -= strlen(DEBEXT);
+
+ prefix = nfstrnsave(sourcefile, sourcefile_len);
+ }
+
+ mksplit(sourcefile, prefix, opt_maxpartsize, opt_msdos);
+
+ return 0;
+}