--- /dev/null
+// $Id: lsxid.c,v 1.9 2005/03/24 12:44:17 ensc Exp $ --*- c -*--
+
+// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+//
+// 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; version 2 of the License.
+//
+// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "fstool.h"
+#include "util.h"
+
+#include <ensc_vector/vector.h>
+#include <lib/vserver.h>
+#include <lib/vserver-internal.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <assert.h>
+
+#define ENSC_WRAPPERS_STDLIB 1
+#include <wrappers.h>
+
+struct option const
+CMDLINE_OPTIONS[] = {
+ { "help", no_argument, 0, CMD_HELP },
+ { "version", no_argument, 0, CMD_VERSION },
+ { 0,0,0,0 }
+};
+
+char const CMDLINE_OPTIONS_SHORT[] = "Radnx";
+
+struct XidNameMapping {
+ xid_t xid;
+ char const * name;
+};
+
+static struct Vector xid_name_mapping;
+
+void
+showHelp(int fd, char const *cmd, int res)
+{
+ WRITE_MSG(fd, "Usage: ");
+ WRITE_STR(fd, cmd);
+ WRITE_MSG(fd,
+ " [-Radnx] [--] <file>*\n\n"
+ " Options:\n"
+ " -R ... recurse through directories\n"
+ " -a ... display files starting with '.' also\n"
+ " -d ... list directories like other files instead of\n"
+ " listing their content\n"
+ " -n ... do not try to do xid -> vserver-name mapping\n"
+ " -x ... do not cross filesystems\n\n"
+ "Please report bugs to " PACKAGE_BUGREPORT "\n");
+ exit(res);
+}
+
+void
+showVersion()
+{
+ WRITE_MSG(1,
+ "lsxid " VERSION " -- shows the context which is associated to a file\n"
+ "This program is part of " PACKAGE_STRING "\n\n"
+ "Copyright (C) 2004 Enrico Scholz\n"
+ VERSION_COPYRIGHT_DISCLAIMER);
+ exit(0);
+}
+
+void
+fixupParams(struct Arguments UNUSED * args, int UNUSED argc)
+{
+ Vector_init(&xid_name_mapping, sizeof (struct XidNameMapping));
+}
+
+static int
+cmpMap(void const *xid_v, void const *map_v)
+{
+ xid_t const * const xid = xid_v;
+ struct XidNameMapping const * const map = map_v;
+
+ return *xid - map->xid;
+}
+
+static char const *
+lookupContext(xid_t xid)
+{
+ struct XidNameMapping *res;
+
+ res = Vector_search(&xid_name_mapping, &xid, cmpMap);
+
+ if (res==0) {
+ vcCfgStyle style = vcCFG_AUTO;
+ char const * vcfg = vc_getVserverByCtx(xid, &style, 0);
+
+ res = Vector_insert(&xid_name_mapping, &xid, cmpMap);
+ if (vcfg) res->name = vc_getVserverName(vcfg, style);
+ else res->name = 0;
+ res->xid = xid;
+
+ free(const_cast(char *)(vcfg));
+ }
+
+ assert(res!=0);
+
+ return res->name;
+}
+
+static xid_t
+getFileContext(char const *name)
+{
+ xid_t res;
+ uint32_t mask = VC_IATTR_XID;
+
+ if (vc_get_iattr(name, &res, 0, &mask)==-1)
+ perror("vc_get_iattr()");
+
+ return (mask&VC_IATTR_XID) ? res : VC_NOCTX;
+}
+
+bool
+handleFile(char const *name, char const *display_name)
+{
+ xid_t ctx = 0;
+ char buf[MAX(sizeof(ctx)*3+1, 20)];
+ bool need_write = true;
+
+ memset(buf, ' ', sizeof buf);
+
+#if 1
+ ctx = getFileContext(name);
+#else
+# warning Compiling in debug-code
+ ctx = random() % 10 + 49213;
+#endif
+
+ if (ctx==VC_NOCTX) {
+ memcpy(buf, "!!ERR!!", 7);
+ Vwrite(1, buf, sizeof buf);
+ need_write = false;
+ }
+ else if (global_args->do_mapping) {
+ char const * vname = lookupContext(ctx);
+ if (!vname) buf[0] = '\0';
+ else {
+ size_t l = strlen(vname);
+ if (l<sizeof(buf)) Vwrite(1, buf, sizeof(buf)-l);
+ Vwrite(1, vname, l);
+
+ need_write = false;
+ }
+ }
+
+ if (need_write) {
+ size_t l = utilvserver_fmt_ulong(buf, ctx);
+ if (l<sizeof(buf)) Vwrite(1, buf+l, sizeof(buf)-l);
+ Vwrite(1, buf, l);
+ }
+
+ Vwrite(1, " ", 2);
+ Vwrite(1, display_name, strlen(display_name));
+ Vwrite(1, "\n", 1);
+
+ return ctx!=VC_NOCTX;
+}