104 lines
3.2 KiB
C
104 lines
3.2 KiB
C
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright (C) 2015 Colin Walters <walters@verbum.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 2 of the licence or (at
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* your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <string.h>
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#include <glib-unix.h>
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#include <gio/gunixoutputstream.h>
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#include <libhif.h>
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#include <libhif/hif-utils.h>
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#include <rpm/rpmts.h>
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#include <stdio.h>
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#include <libglnx.h>
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#include <rpm/rpmmacro.h>
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#include "rpmostree-internals-builtins.h"
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#include "rpmostree-util.h"
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#include "rpmostree-hif.h"
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#include "rpmostree-cleanup.h"
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#include "rpmostree-libbuiltin.h"
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#include "rpmostree-rpm-util.h"
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#include "rpmostree-unpacker.h"
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#include "libgsystem.h"
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gboolean opt_suid_fcaps = FALSE;
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gboolean opt_owner = FALSE;
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static GOptionEntry option_entries[] = {
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{ "suid-fcaps", 0, 0, G_OPTION_ARG_NONE, &opt_suid_fcaps, "Enable setting suid/sgid and capabilities", NULL },
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{ "owner", 0, 0, G_OPTION_ARG_NONE, &opt_owner, "Enable chown", NULL },
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{ NULL }
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};
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int
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rpmostree_internals_builtin_unpack (int argc,
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char **argv,
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GCancellable *cancellable,
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GError **error)
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{
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int exit_status = EXIT_FAILURE;
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GOptionContext *context = g_option_context_new ("ROOT RPM");
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RpmOstreeUnpackerFlags flags = 0;
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glnx_unref_object RpmOstreeUnpacker *unpacker = NULL;
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const char *rpmpath;
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glnx_fd_close int rootfs_fd = -1;
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if (!rpmostree_option_context_parse (context,
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option_entries,
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&argc, &argv,
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RPM_OSTREE_BUILTIN_FLAG_LOCAL_CMD,
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cancellable,
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NULL,
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error))
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goto out;
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if (argc < 3)
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{
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rpmostree_usage_error (context, "ROOT and RPM must be specified", error);
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goto out;
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}
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if (!glnx_opendirat (AT_FDCWD, argv[1], TRUE, &rootfs_fd, error))
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goto out;
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rpmpath = argv[2];
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/* suid implies owner too...anything else is dangerous, as we might write
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* a setuid binary for the caller.
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*/
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if (opt_owner || opt_suid_fcaps)
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flags |= RPMOSTREE_UNPACKER_FLAGS_OWNER;
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if (opt_suid_fcaps)
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flags |= RPMOSTREE_UNPACKER_FLAGS_SUID_FSCAPS;
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unpacker = rpmostree_unpacker_new_at (AT_FDCWD, rpmpath, flags, error);
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if (!unpacker)
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goto out;
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if (!rpmostree_unpacker_unpack_to_dfd (unpacker, rootfs_fd, cancellable, error))
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goto out;
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exit_status = EXIT_SUCCESS;
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out:
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return exit_status;
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}
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