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0ac671f8a2
* common/asshelp.c (my_log_monitor): New var. (my_libassuan_log_handler): Run that monitor. (setup_libassuan_logging): Add arg to set a log monitor and change all callers. Signed-off-by: Werner Koch <wk@gnupg.org>
749 lines
19 KiB
C
749 lines
19 KiB
C
/* g13-syshelp.c - Helper for disk key management with GnuPG
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* Copyright (C) 2015 Werner Koch
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* GnuPG 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <ctype.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <limits.h>
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#ifdef HAVE_PWD_H
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# include <pwd.h>
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#endif
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#include <unistd.h>
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#include "g13-syshelp.h"
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#include <gcrypt.h>
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#include <assuan.h>
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#include "i18n.h"
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#include "sysutils.h"
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#include "asshelp.h"
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#include "../common/init.h"
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#include "keyblob.h"
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enum cmd_and_opt_values {
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aNull = 0,
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oQuiet = 'q',
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oVerbose = 'v',
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oRecipient = 'r',
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aGPGConfList = 500,
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oDebug,
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oDebugLevel,
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oDebugAll,
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oDebugNone,
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oDebugWait,
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oDebugAllowCoreDump,
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oLogFile,
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oNoLogFile,
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oAuditLog,
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oOutput,
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oAgentProgram,
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oGpgProgram,
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oType,
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oDisplay,
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oTTYname,
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oTTYtype,
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oLCctype,
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oLCmessages,
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oXauthority,
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oStatusFD,
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oLoggerFD,
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oNoVerbose,
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oNoSecmemWarn,
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oHomedir,
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oDryRun,
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oNoDetach,
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oNoRandomSeedFile,
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oFakedSystemTime
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};
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static ARGPARSE_OPTS opts[] = {
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ARGPARSE_s_n (oDryRun, "dry-run", N_("do not make any changes")),
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ARGPARSE_s_n (oVerbose, "verbose", N_("verbose")),
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ARGPARSE_s_n (oQuiet, "quiet", N_("be somewhat more quiet")),
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ARGPARSE_s_s (oDebug, "debug", "@"),
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ARGPARSE_s_s (oDebugLevel, "debug-level",
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N_("|LEVEL|set the debugging level to LEVEL")),
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ARGPARSE_s_n (oDebugAll, "debug-all", "@"),
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ARGPARSE_s_n (oDebugNone, "debug-none", "@"),
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ARGPARSE_s_i (oDebugWait, "debug-wait", "@"),
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ARGPARSE_s_n (oDebugAllowCoreDump, "debug-allow-core-dump", "@"),
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ARGPARSE_end ()
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};
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/* The list of supported debug flags. */
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static struct debug_flags_s debug_flags [] =
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{
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{ DBG_MOUNT_VALUE , "mount" },
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{ DBG_CRYPTO_VALUE , "crypto" },
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{ DBG_MEMORY_VALUE , "memory" },
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{ DBG_MEMSTAT_VALUE, "memstat" },
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{ DBG_IPC_VALUE , "ipc" },
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{ 0, NULL }
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};
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/* The timer tick interval used by the idle task. */
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#define TIMERTICK_INTERVAL_SEC (1)
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/* It is possible that we are currently running under setuid permissions. */
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static int maybe_setuid = 1;
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/* Helper to implement --debug-level and --debug. */
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static const char *debug_level;
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static unsigned int debug_value;
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/* Local prototypes. */
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static void g13_syshelp_deinit_default_ctrl (ctrl_t ctrl);
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static void release_tab_items (tab_item_t tab);
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static tab_item_t parse_g13tab (const char *username);
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static const char *
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my_strusage( int level )
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{
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const char *p;
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switch (level)
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{
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case 11: p = "@G13@-syshelp (@GNUPG@)";
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break;
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case 13: p = VERSION; break;
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case 17: p = PRINTABLE_OS_NAME; break;
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case 19: p = _("Please report bugs to <" PACKAGE_BUGREPORT ">.\n");
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break;
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case 1:
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case 40: p = _("Usage: @G13@-syshelp [options] [files] (-h for help)");
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break;
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case 41:
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p = _("Syntax: @G13@-syshelp [options] [files]\n"
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"Helper to perform root-only tasks for g13\n");
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break;
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case 31: p = "\nHome: "; break;
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case 32: p = gnupg_homedir (); break;
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default: p = NULL; break;
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}
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return p;
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}
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/* Setup the debugging. With a DEBUG_LEVEL of NULL only the active
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debug flags are propagated to the subsystems. With DEBUG_LEVEL
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set, a specific set of debug flags is set; and individual debugging
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flags will be added on top. */
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static void
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set_debug (void)
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{
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int numok = (debug_level && digitp (debug_level));
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int numlvl = numok? atoi (debug_level) : 0;
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if (!debug_level)
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;
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else if (!strcmp (debug_level, "none") || (numok && numlvl < 1))
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opt.debug = 0;
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else if (!strcmp (debug_level, "basic") || (numok && numlvl <= 2))
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opt.debug = DBG_IPC_VALUE|DBG_MOUNT_VALUE;
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else if (!strcmp (debug_level, "advanced") || (numok && numlvl <= 5))
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opt.debug = DBG_IPC_VALUE|DBG_MOUNT_VALUE;
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else if (!strcmp (debug_level, "expert") || (numok && numlvl <= 8))
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opt.debug = (DBG_IPC_VALUE|DBG_MOUNT_VALUE|DBG_CRYPTO_VALUE);
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else if (!strcmp (debug_level, "guru") || numok)
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{
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opt.debug = ~0;
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/* if (numok) */
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/* opt.debug &= ~(DBG_HASHING_VALUE); */
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}
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else
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{
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log_error (_("invalid debug-level '%s' given\n"), debug_level);
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g13_exit(2);
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}
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opt.debug |= debug_value;
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if (opt.debug && !opt.verbose)
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opt.verbose = 1;
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if (opt.debug)
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opt.quiet = 0;
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if (opt.debug & DBG_CRYPTO_VALUE )
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gcry_control (GCRYCTL_SET_DEBUG_FLAGS, 1);
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gcry_control (GCRYCTL_SET_VERBOSITY, (int)opt.verbose);
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if (opt.debug)
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parse_debug_flag (NULL, &opt.debug, debug_flags);
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}
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int
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main ( int argc, char **argv)
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{
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ARGPARSE_ARGS pargs;
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int orig_argc;
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char **orig_argv;
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gpg_error_t err = 0;
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/* const char *fname; */
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int may_coredump;
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FILE *configfp = NULL;
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char *configname = NULL;
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unsigned configlineno;
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int parse_debug = 0;
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int no_more_options = 0;
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int default_config =1;
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char *logfile = NULL;
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/* int debug_wait = 0; */
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int use_random_seed = 1;
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/* int nodetach = 0; */
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/* int nokeysetup = 0; */
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struct server_control_s ctrl;
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/*mtrace();*/
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early_system_init ();
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gnupg_reopen_std (G13_NAME "-syshelp");
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set_strusage (my_strusage);
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gcry_control (GCRYCTL_SUSPEND_SECMEM_WARN);
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log_set_prefix (G13_NAME "-syshelp", GPGRT_LOG_WITH_PREFIX);
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/* Make sure that our subsystems are ready. */
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i18n_init ();
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init_common_subsystems (&argc, &argv);
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/* Take extra care of the random pool. */
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gcry_control (GCRYCTL_USE_SECURE_RNDPOOL);
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may_coredump = disable_core_dumps ();
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g13_init_signals ();
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dotlock_create (NULL, 0); /* Register locking cleanup. */
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opt.session_env = session_env_new ();
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if (!opt.session_env)
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log_fatal ("error allocating session environment block: %s\n",
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strerror (errno));
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/* Fixme: We enable verbose mode here because there is currently no
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way to do this when starting g13-syshelp. To fix that we should
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add a g13-syshelp.conf file in /etc/gnupg. */
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opt.verbose = 1;
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/* First check whether we have a debug option on the commandline. */
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orig_argc = argc;
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orig_argv = argv;
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pargs.argc = &argc;
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pargs.argv = &argv;
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pargs.flags= (ARGPARSE_FLAG_KEEP | ARGPARSE_FLAG_NOVERSION);
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while (arg_parse( &pargs, opts))
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{
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if (pargs.r_opt == oDebug || pargs.r_opt == oDebugAll)
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parse_debug++;
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}
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/* Initialize the secure memory. */
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gcry_control (GCRYCTL_INIT_SECMEM, 16384, 0);
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maybe_setuid = 0;
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/*
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Now we are now working under our real uid
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*/
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/* Setup malloc hooks. */
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{
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struct assuan_malloc_hooks malloc_hooks;
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malloc_hooks.malloc = gcry_malloc;
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malloc_hooks.realloc = gcry_realloc;
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malloc_hooks.free = gcry_free;
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assuan_set_malloc_hooks (&malloc_hooks);
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}
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/* Prepare libassuan. */
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assuan_set_gpg_err_source (GPG_ERR_SOURCE_DEFAULT);
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/*assuan_set_system_hooks (ASSUAN_SYSTEM_NPTH);*/
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setup_libassuan_logging (&opt.debug, NULL);
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/* Setup a default control structure for command line mode. */
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memset (&ctrl, 0, sizeof ctrl);
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g13_syshelp_init_default_ctrl (&ctrl);
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ctrl.no_server = 1;
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ctrl.status_fd = -1; /* No status output. */
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if (default_config )
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configname = make_filename (gnupg_sysconfdir (),
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G13_NAME"-syshelp.conf", NULL);
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argc = orig_argc;
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argv = orig_argv;
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pargs.argc = &argc;
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pargs.argv = &argv;
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pargs.flags = 1; /* Do not remove the args. */
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next_pass:
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if (configname)
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{
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configlineno = 0;
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configfp = fopen (configname, "r");
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if (!configfp)
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{
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if (default_config)
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{
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if (parse_debug)
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log_info (_("NOTE: no default option file '%s'\n"), configname);
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}
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else
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{
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log_error (_("option file '%s': %s\n"),
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configname, strerror(errno));
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g13_exit(2);
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}
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xfree (configname);
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configname = NULL;
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}
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if (parse_debug && configname)
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log_info (_("reading options from '%s'\n"), configname);
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default_config = 0;
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}
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while (!no_more_options
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&& optfile_parse (configfp, configname, &configlineno, &pargs, opts))
|
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{
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switch (pargs.r_opt)
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{
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case oQuiet: opt.quiet = 1; break;
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case oDryRun: opt.dry_run = 1; break;
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case oVerbose:
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opt.verbose++;
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gcry_control (GCRYCTL_SET_VERBOSITY, (int)opt.verbose);
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break;
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case oNoVerbose:
|
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opt.verbose = 0;
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gcry_control (GCRYCTL_SET_VERBOSITY, (int)opt.verbose);
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break;
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case oLogFile: logfile = pargs.r.ret_str; break;
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case oNoLogFile: logfile = NULL; break;
|
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|
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case oNoDetach: /*nodetach = 1; */break;
|
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|
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case oDebug:
|
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if (parse_debug_flag (pargs.r.ret_str, &opt.debug, debug_flags))
|
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{
|
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pargs.r_opt = ARGPARSE_INVALID_ARG;
|
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pargs.err = ARGPARSE_PRINT_ERROR;
|
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}
|
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break;
|
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case oDebugAll: debug_value = ~0; break;
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case oDebugNone: debug_value = 0; break;
|
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case oDebugLevel: debug_level = pargs.r.ret_str; break;
|
||
case oDebugWait: /*debug_wait = pargs.r.ret_int; */break;
|
||
case oDebugAllowCoreDump:
|
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may_coredump = enable_core_dumps ();
|
||
break;
|
||
|
||
case oStatusFD: ctrl.status_fd = pargs.r.ret_int; break;
|
||
case oLoggerFD: log_set_fd (pargs.r.ret_int ); break;
|
||
|
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case oHomedir: gnupg_set_homedir (pargs.r.ret_str); break;
|
||
|
||
case oFakedSystemTime:
|
||
{
|
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time_t faked_time = isotime2epoch (pargs.r.ret_str);
|
||
if (faked_time == (time_t)(-1))
|
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faked_time = (time_t)strtoul (pargs.r.ret_str, NULL, 10);
|
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gnupg_set_time (faked_time, 0);
|
||
}
|
||
break;
|
||
|
||
case oNoSecmemWarn: gcry_control (GCRYCTL_DISABLE_SECMEM_WARN); break;
|
||
|
||
case oNoRandomSeedFile: use_random_seed = 0; break;
|
||
|
||
default:
|
||
pargs.err = configfp? ARGPARSE_PRINT_WARNING:ARGPARSE_PRINT_ERROR;
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (configfp)
|
||
{
|
||
fclose (configfp);
|
||
configfp = NULL;
|
||
/* Keep a copy of the config filename. */
|
||
opt.config_filename = configname;
|
||
configname = NULL;
|
||
goto next_pass;
|
||
}
|
||
xfree (configname);
|
||
configname = NULL;
|
||
|
||
if (!opt.config_filename)
|
||
opt.config_filename = make_filename (gnupg_homedir (),
|
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G13_NAME".conf", NULL);
|
||
|
||
if (log_get_errorcount(0))
|
||
g13_exit(2);
|
||
|
||
/* Now that we have the options parsed we need to update the default
|
||
control structure. */
|
||
g13_syshelp_init_default_ctrl (&ctrl);
|
||
|
||
if (may_coredump && !opt.quiet)
|
||
log_info (_("WARNING: program may create a core file!\n"));
|
||
|
||
if (logfile)
|
||
{
|
||
log_set_file (logfile);
|
||
log_set_prefix (NULL, GPGRT_LOG_WITH_PREFIX | GPGRT_LOG_WITH_TIME | GPGRT_LOG_WITH_PID);
|
||
}
|
||
|
||
if (gnupg_faked_time_p ())
|
||
{
|
||
gnupg_isotime_t tbuf;
|
||
|
||
log_info (_("WARNING: running with faked system time: "));
|
||
gnupg_get_isotime (tbuf);
|
||
dump_isotime (tbuf);
|
||
log_printf ("\n");
|
||
}
|
||
|
||
/* Print any pending secure memory warnings. */
|
||
gcry_control (GCRYCTL_RESUME_SECMEM_WARN);
|
||
|
||
/* Setup the debug flags for all subsystems. */
|
||
set_debug ();
|
||
|
||
/* Install a regular exit handler to make real sure that the secure
|
||
memory gets wiped out. */
|
||
g13_install_emergency_cleanup ();
|
||
|
||
/* Terminate if we found any error until now. */
|
||
if (log_get_errorcount(0))
|
||
g13_exit (2);
|
||
|
||
/* Set the standard GnuPG random seed file. */
|
||
if (use_random_seed)
|
||
{
|
||
char *p = make_filename (gnupg_homedir (), "random_seed", NULL);
|
||
gcry_control (GCRYCTL_SET_RANDOM_SEED_FILE, p);
|
||
xfree(p);
|
||
}
|
||
|
||
/* Get the UID of the caller. */
|
||
#if defined(HAVE_PWD_H) && defined(HAVE_GETPWUID)
|
||
{
|
||
const char *uidstr;
|
||
struct passwd *pwd = NULL;
|
||
|
||
uidstr = getenv ("USERV_UID");
|
||
|
||
/* Print a quick note if we are not started via userv. */
|
||
if (!uidstr)
|
||
{
|
||
if (getuid ())
|
||
{
|
||
log_info ("WARNING: Not started via userv\n");
|
||
ctrl.fail_all_cmds = 1;
|
||
}
|
||
ctrl.client.uid = getuid ();
|
||
}
|
||
else
|
||
{
|
||
unsigned long myuid;
|
||
|
||
errno = 0;
|
||
myuid = strtoul (uidstr, NULL, 10);
|
||
if (myuid == ULONG_MAX && errno)
|
||
{
|
||
log_info ("WARNING: Started via broken userv: %s\n",
|
||
strerror (errno));
|
||
ctrl.fail_all_cmds = 1;
|
||
ctrl.client.uid = getuid ();
|
||
}
|
||
else
|
||
ctrl.client.uid = (uid_t)myuid;
|
||
}
|
||
|
||
pwd = getpwuid (ctrl.client.uid);
|
||
if (!pwd || !*pwd->pw_name)
|
||
{
|
||
log_info ("WARNING: Name for UID not found: %s\n", strerror (errno));
|
||
ctrl.fail_all_cmds = 1;
|
||
ctrl.client.uname = xstrdup ("?");
|
||
}
|
||
else
|
||
ctrl.client.uname = xstrdup (pwd->pw_name);
|
||
|
||
/* Check that the user name does not contain a directory
|
||
separator. */
|
||
if (strchr (ctrl.client.uname, '/'))
|
||
{
|
||
log_info ("WARNING: Invalid user name passed\n");
|
||
ctrl.fail_all_cmds = 1;
|
||
}
|
||
}
|
||
#else /*!HAVE_PWD_H || !HAVE_GETPWUID*/
|
||
log_info ("WARNING: System does not support required syscalls\n");
|
||
ctrl.fail_all_cmds = 1;
|
||
ctrl.client.uid = getuid ();
|
||
ctrl.client.uname = xstrdup ("?");
|
||
#endif /*!HAVE_PWD_H || !HAVE_GETPWUID*/
|
||
|
||
/* Read the table entries for this user. */
|
||
if (!ctrl.fail_all_cmds
|
||
&& !(ctrl.client.tab = parse_g13tab (ctrl.client.uname)))
|
||
ctrl.fail_all_cmds = 1;
|
||
|
||
/* Start the server. */
|
||
err = syshelp_server (&ctrl);
|
||
if (err)
|
||
log_error ("server exited with error: %s <%s>\n",
|
||
gpg_strerror (err), gpg_strsource (err));
|
||
|
||
/* Cleanup. */
|
||
g13_syshelp_deinit_default_ctrl (&ctrl);
|
||
g13_exit (0);
|
||
return 8; /*NOTREACHED*/
|
||
}
|
||
|
||
|
||
/* Store defaults into the per-connection CTRL object. */
|
||
void
|
||
g13_syshelp_init_default_ctrl (ctrl_t ctrl)
|
||
{
|
||
ctrl->conttype = CONTTYPE_DM_CRYPT;
|
||
}
|
||
|
||
/* Release all resources allocated by default in the CTRl object. */
|
||
static void
|
||
g13_syshelp_deinit_default_ctrl (ctrl_t ctrl)
|
||
{
|
||
xfree (ctrl->client.uname);
|
||
release_tab_items (ctrl->client.tab);
|
||
}
|
||
|
||
|
||
/* Release the list of g13tab itejms at TAB. */
|
||
static void
|
||
release_tab_items (tab_item_t tab)
|
||
{
|
||
while (tab)
|
||
{
|
||
tab_item_t next = tab->next;
|
||
xfree (tab->mountpoint);
|
||
xfree (tab);
|
||
tab = next;
|
||
}
|
||
}
|
||
|
||
|
||
void
|
||
g13_syshelp_i_know_what_i_am_doing (void)
|
||
{
|
||
const char * const yesfile = "Yes-g13-I-know-what-I-am-doing";
|
||
char *fname;
|
||
|
||
fname = make_filename (gnupg_sysconfdir (), yesfile, NULL);
|
||
if (access (fname, F_OK))
|
||
{
|
||
log_info ("*******************************************************\n");
|
||
log_info ("* The G13 support for DM-Crypt is new and not matured.\n");
|
||
log_info ("* Bugs or improper use may delete all your disks!\n");
|
||
log_info ("* To confirm that you are ware of this risk, create\n");
|
||
log_info ("* the file '%s'.\n", fname);
|
||
log_info ("*******************************************************\n");
|
||
exit (1);
|
||
}
|
||
xfree (fname);
|
||
}
|
||
|
||
|
||
/* Parse the /etc/gnupg/g13tab for user USERNAME. Return a table for
|
||
the user on success. Return NULL on error and print
|
||
diagnostics. */
|
||
static tab_item_t
|
||
parse_g13tab (const char *username)
|
||
{
|
||
gpg_error_t err;
|
||
int c, n;
|
||
char line[512];
|
||
char *p;
|
||
char *fname;
|
||
estream_t fp;
|
||
int lnr;
|
||
char **words = NULL;
|
||
tab_item_t table = NULL;
|
||
tab_item_t *tabletail, ti;
|
||
|
||
fname = make_filename (gnupg_sysconfdir (), G13_NAME"tab", NULL);
|
||
fp = es_fopen (fname, "r");
|
||
if (!fp)
|
||
{
|
||
err = gpg_error_from_syserror ();
|
||
log_error (_("error opening '%s': %s\n"), fname, gpg_strerror (err));
|
||
goto leave;
|
||
}
|
||
|
||
tabletail = &table;
|
||
err = 0;
|
||
lnr = 0;
|
||
while (es_fgets (line, DIM(line)-1, fp))
|
||
{
|
||
lnr++;
|
||
n = strlen (line);
|
||
if (!n || line[n-1] != '\n')
|
||
{
|
||
/* Eat until end of line. */
|
||
while ((c=es_getc (fp)) != EOF && c != '\n')
|
||
;
|
||
err = gpg_error (*line? GPG_ERR_LINE_TOO_LONG
|
||
: GPG_ERR_INCOMPLETE_LINE);
|
||
log_error (_("file '%s', line %d: %s\n"),
|
||
fname, lnr, gpg_strerror (err));
|
||
continue;
|
||
}
|
||
line[--n] = 0; /* Chop the LF. */
|
||
if (n && line[n-1] == '\r')
|
||
line[--n] = 0; /* Chop an optional CR. */
|
||
|
||
/* Allow for empty lines and spaces */
|
||
for (p=line; spacep (p); p++)
|
||
;
|
||
if (!*p || *p == '#')
|
||
continue;
|
||
|
||
/* Parse the line. The format is
|
||
* <username> <blockdev> [<label>|"-" [<mountpoint>]]
|
||
*/
|
||
xfree (words);
|
||
words = strtokenize (p, " \t");
|
||
if (!words)
|
||
{
|
||
err = gpg_error_from_syserror ();
|
||
break;
|
||
}
|
||
if (!words[0] || !words[1])
|
||
{
|
||
log_error (_("file '%s', line %d: %s\n"),
|
||
fname, lnr, gpg_strerror (GPG_ERR_SYNTAX));
|
||
continue;
|
||
}
|
||
if (!(*words[1] == '/'
|
||
|| !strncmp (words[1], "PARTUUID=", 9)
|
||
|| !strncmp (words[1], "partuuid=", 9)))
|
||
{
|
||
log_error (_("file '%s', line %d: %s\n"),
|
||
fname, lnr, "Invalid block device syntax");
|
||
continue;
|
||
}
|
||
if (words[2])
|
||
{
|
||
if (strlen (words[2]) > 16 || strchr (words[2], '/'))
|
||
{
|
||
log_error (_("file '%s', line %d: %s\n"),
|
||
fname, lnr, "Label too long or invalid syntax");
|
||
continue;
|
||
}
|
||
|
||
if (words[3] && *words[3] != '/')
|
||
{
|
||
log_error (_("file '%s', line %d: %s\n"),
|
||
fname, lnr, "Invalid mountpoint syntax");
|
||
continue;
|
||
}
|
||
}
|
||
if (strcmp (words[0], username))
|
||
continue; /* Skip entries for other usernames! */
|
||
|
||
ti = xtrymalloc (sizeof *ti + strlen (words[1]));
|
||
if (!ti)
|
||
{
|
||
err = gpg_error_from_syserror ();
|
||
break;
|
||
}
|
||
ti->next = NULL;
|
||
ti->label = NULL;
|
||
ti->mountpoint = NULL;
|
||
strcpy (ti->blockdev, *words[1]=='/'? words[1] : words[1]+9);
|
||
if (words[2])
|
||
{
|
||
if (strcmp (words[2], "-")
|
||
&& !(ti->label = xtrystrdup (words[2])))
|
||
{
|
||
err = gpg_error_from_syserror ();
|
||
xfree (ti);
|
||
break;
|
||
}
|
||
if (words[3] && !(ti->mountpoint = xtrystrdup (words[3])))
|
||
{
|
||
err = gpg_error_from_syserror ();
|
||
xfree (ti->label);
|
||
xfree (ti);
|
||
break;
|
||
}
|
||
}
|
||
*tabletail = ti;
|
||
tabletail = &ti->next;
|
||
}
|
||
|
||
if (!err && !es_feof (fp))
|
||
err = gpg_error_from_syserror ();
|
||
if (err)
|
||
log_error (_("error reading '%s', line %d: %s\n"),
|
||
fname, lnr, gpg_strerror (err));
|
||
|
||
leave:
|
||
xfree (words);
|
||
es_fclose (fp);
|
||
xfree (fname);
|
||
if (err)
|
||
{
|
||
release_tab_items (table);
|
||
return NULL;
|
||
}
|
||
return table;
|
||
}
|