2015-10-21 08:38:10 +02:00
|
|
|
|
/* g13-syshelp.c - Helper for disk key management with GnuPG
|
|
|
|
|
* Copyright (C) 2015 Werner Koch
|
|
|
|
|
*
|
|
|
|
|
* This file is part of GnuPG.
|
|
|
|
|
*
|
|
|
|
|
* GnuPG 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 3 of the License, or
|
|
|
|
|
* (at your option) any later version.
|
|
|
|
|
*
|
|
|
|
|
* GnuPG 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
|
2016-11-05 12:02:19 +01:00
|
|
|
|
* along with this program; if not, see <https://www.gnu.org/licenses/>.
|
2020-02-21 21:45:13 +01:00
|
|
|
|
* SPDX-License-Identifier: GPL-3.0-or-later
|
2015-10-21 08:38:10 +02:00
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#include <config.h>
|
2020-02-21 21:45:13 +01:00
|
|
|
|
|
2015-10-21 08:38:10 +02:00
|
|
|
|
#include <stdio.h>
|
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
#include <string.h>
|
|
|
|
|
#include <errno.h>
|
|
|
|
|
#include <ctype.h>
|
|
|
|
|
#include <unistd.h>
|
|
|
|
|
#include <fcntl.h>
|
|
|
|
|
#include <limits.h>
|
|
|
|
|
#ifdef HAVE_PWD_H
|
|
|
|
|
# include <pwd.h>
|
|
|
|
|
#endif
|
|
|
|
|
#include <unistd.h>
|
|
|
|
|
|
2020-02-10 16:37:34 +01:00
|
|
|
|
#define INCLUDED_BY_MAIN_MODULE 1
|
2015-10-21 08:38:10 +02:00
|
|
|
|
#include "g13-syshelp.h"
|
|
|
|
|
|
|
|
|
|
#include <gcrypt.h>
|
|
|
|
|
#include <assuan.h>
|
|
|
|
|
|
2017-03-07 20:21:23 +09:00
|
|
|
|
#include "../common/i18n.h"
|
|
|
|
|
#include "../common/sysutils.h"
|
|
|
|
|
#include "../common/asshelp.h"
|
2015-10-21 08:38:10 +02:00
|
|
|
|
#include "../common/init.h"
|
|
|
|
|
#include "keyblob.h"
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
enum cmd_and_opt_values {
|
|
|
|
|
aNull = 0,
|
|
|
|
|
oQuiet = 'q',
|
|
|
|
|
oVerbose = 'v',
|
|
|
|
|
oRecipient = 'r',
|
|
|
|
|
|
|
|
|
|
aGPGConfList = 500,
|
|
|
|
|
|
|
|
|
|
oDebug,
|
|
|
|
|
oDebugLevel,
|
|
|
|
|
oDebugAll,
|
|
|
|
|
oDebugNone,
|
|
|
|
|
oDebugWait,
|
|
|
|
|
oDebugAllowCoreDump,
|
|
|
|
|
oLogFile,
|
|
|
|
|
oNoLogFile,
|
|
|
|
|
oAuditLog,
|
|
|
|
|
|
|
|
|
|
oOutput,
|
|
|
|
|
|
|
|
|
|
oAgentProgram,
|
|
|
|
|
oGpgProgram,
|
|
|
|
|
oType,
|
|
|
|
|
|
|
|
|
|
oDisplay,
|
|
|
|
|
oTTYname,
|
|
|
|
|
oTTYtype,
|
|
|
|
|
oLCctype,
|
|
|
|
|
oLCmessages,
|
|
|
|
|
oXauthority,
|
|
|
|
|
|
|
|
|
|
oStatusFD,
|
|
|
|
|
oLoggerFD,
|
|
|
|
|
|
|
|
|
|
oNoVerbose,
|
|
|
|
|
oNoSecmemWarn,
|
|
|
|
|
oHomedir,
|
|
|
|
|
oDryRun,
|
|
|
|
|
oNoDetach,
|
|
|
|
|
|
|
|
|
|
oNoRandomSeedFile,
|
|
|
|
|
oFakedSystemTime
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
2020-02-21 21:45:13 +01:00
|
|
|
|
static gpgrt_opt_t opts[] = {
|
2015-10-21 08:38:10 +02:00
|
|
|
|
|
|
|
|
|
ARGPARSE_s_n (oDryRun, "dry-run", N_("do not make any changes")),
|
|
|
|
|
|
|
|
|
|
ARGPARSE_s_n (oVerbose, "verbose", N_("verbose")),
|
|
|
|
|
ARGPARSE_s_n (oQuiet, "quiet", N_("be somewhat more quiet")),
|
|
|
|
|
|
|
|
|
|
ARGPARSE_s_s (oDebug, "debug", "@"),
|
|
|
|
|
ARGPARSE_s_s (oDebugLevel, "debug-level",
|
|
|
|
|
N_("|LEVEL|set the debugging level to LEVEL")),
|
|
|
|
|
ARGPARSE_s_n (oDebugAll, "debug-all", "@"),
|
|
|
|
|
ARGPARSE_s_n (oDebugNone, "debug-none", "@"),
|
|
|
|
|
ARGPARSE_s_i (oDebugWait, "debug-wait", "@"),
|
|
|
|
|
ARGPARSE_s_n (oDebugAllowCoreDump, "debug-allow-core-dump", "@"),
|
|
|
|
|
|
|
|
|
|
ARGPARSE_end ()
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* The list of supported debug flags. */
|
|
|
|
|
static struct debug_flags_s debug_flags [] =
|
|
|
|
|
{
|
|
|
|
|
{ DBG_MOUNT_VALUE , "mount" },
|
|
|
|
|
{ DBG_CRYPTO_VALUE , "crypto" },
|
|
|
|
|
{ DBG_MEMORY_VALUE , "memory" },
|
|
|
|
|
{ DBG_MEMSTAT_VALUE, "memstat" },
|
|
|
|
|
{ DBG_IPC_VALUE , "ipc" },
|
|
|
|
|
{ 0, NULL }
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* The timer tick interval used by the idle task. */
|
|
|
|
|
#define TIMERTICK_INTERVAL_SEC (1)
|
|
|
|
|
|
|
|
|
|
/* It is possible that we are currently running under setuid permissions. */
|
|
|
|
|
static int maybe_setuid = 1;
|
|
|
|
|
|
|
|
|
|
/* Helper to implement --debug-level and --debug. */
|
|
|
|
|
static const char *debug_level;
|
|
|
|
|
static unsigned int debug_value;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Local prototypes. */
|
|
|
|
|
static void g13_syshelp_deinit_default_ctrl (ctrl_t ctrl);
|
|
|
|
|
static void release_tab_items (tab_item_t tab);
|
|
|
|
|
static tab_item_t parse_g13tab (const char *username);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static const char *
|
|
|
|
|
my_strusage( int level )
|
|
|
|
|
{
|
|
|
|
|
const char *p;
|
|
|
|
|
|
|
|
|
|
switch (level)
|
|
|
|
|
{
|
2020-02-21 21:45:13 +01:00
|
|
|
|
case 9: p = "GPL-3.0-or-later"; break;
|
2015-10-21 08:38:10 +02:00
|
|
|
|
case 11: p = "@G13@-syshelp (@GNUPG@)";
|
|
|
|
|
break;
|
|
|
|
|
case 13: p = VERSION; break;
|
2020-02-21 21:45:13 +01:00
|
|
|
|
case 14: p = GNUPG_DEF_COPYRIGHT_LINE; break;
|
2015-10-21 08:38:10 +02:00
|
|
|
|
case 17: p = PRINTABLE_OS_NAME; break;
|
|
|
|
|
case 19: p = _("Please report bugs to <" PACKAGE_BUGREPORT ">.\n");
|
|
|
|
|
break;
|
|
|
|
|
case 1:
|
|
|
|
|
case 40: p = _("Usage: @G13@-syshelp [options] [files] (-h for help)");
|
|
|
|
|
break;
|
|
|
|
|
case 41:
|
|
|
|
|
p = _("Syntax: @G13@-syshelp [options] [files]\n"
|
|
|
|
|
"Helper to perform root-only tasks for g13\n");
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 31: p = "\nHome: "; break;
|
2016-06-07 10:59:46 +02:00
|
|
|
|
case 32: p = gnupg_homedir (); break;
|
2015-10-21 08:38:10 +02:00
|
|
|
|
|
|
|
|
|
default: p = NULL; break;
|
|
|
|
|
}
|
|
|
|
|
return p;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Setup the debugging. With a DEBUG_LEVEL of NULL only the active
|
|
|
|
|
debug flags are propagated to the subsystems. With DEBUG_LEVEL
|
|
|
|
|
set, a specific set of debug flags is set; and individual debugging
|
|
|
|
|
flags will be added on top. */
|
|
|
|
|
static void
|
|
|
|
|
set_debug (void)
|
|
|
|
|
{
|
|
|
|
|
int numok = (debug_level && digitp (debug_level));
|
|
|
|
|
int numlvl = numok? atoi (debug_level) : 0;
|
|
|
|
|
|
|
|
|
|
if (!debug_level)
|
|
|
|
|
;
|
|
|
|
|
else if (!strcmp (debug_level, "none") || (numok && numlvl < 1))
|
|
|
|
|
opt.debug = 0;
|
|
|
|
|
else if (!strcmp (debug_level, "basic") || (numok && numlvl <= 2))
|
|
|
|
|
opt.debug = DBG_IPC_VALUE|DBG_MOUNT_VALUE;
|
|
|
|
|
else if (!strcmp (debug_level, "advanced") || (numok && numlvl <= 5))
|
|
|
|
|
opt.debug = DBG_IPC_VALUE|DBG_MOUNT_VALUE;
|
|
|
|
|
else if (!strcmp (debug_level, "expert") || (numok && numlvl <= 8))
|
|
|
|
|
opt.debug = (DBG_IPC_VALUE|DBG_MOUNT_VALUE|DBG_CRYPTO_VALUE);
|
|
|
|
|
else if (!strcmp (debug_level, "guru") || numok)
|
|
|
|
|
{
|
|
|
|
|
opt.debug = ~0;
|
|
|
|
|
/* if (numok) */
|
|
|
|
|
/* opt.debug &= ~(DBG_HASHING_VALUE); */
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
log_error (_("invalid debug-level '%s' given\n"), debug_level);
|
|
|
|
|
g13_exit(2);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
opt.debug |= debug_value;
|
|
|
|
|
|
|
|
|
|
if (opt.debug && !opt.verbose)
|
|
|
|
|
opt.verbose = 1;
|
|
|
|
|
if (opt.debug)
|
|
|
|
|
opt.quiet = 0;
|
|
|
|
|
|
|
|
|
|
if (opt.debug & DBG_CRYPTO_VALUE )
|
|
|
|
|
gcry_control (GCRYCTL_SET_DEBUG_FLAGS, 1);
|
|
|
|
|
gcry_control (GCRYCTL_SET_VERBOSITY, (int)opt.verbose);
|
|
|
|
|
|
|
|
|
|
if (opt.debug)
|
|
|
|
|
parse_debug_flag (NULL, &opt.debug, debug_flags);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
int
|
2020-02-21 21:45:13 +01:00
|
|
|
|
main (int argc, char **argv)
|
2015-10-21 08:38:10 +02:00
|
|
|
|
{
|
2020-02-21 21:45:13 +01:00
|
|
|
|
gpgrt_argparse_t pargs;
|
2015-10-21 08:38:10 +02:00
|
|
|
|
int orig_argc;
|
|
|
|
|
char **orig_argv;
|
|
|
|
|
gpg_error_t err = 0;
|
|
|
|
|
/* const char *fname; */
|
|
|
|
|
int may_coredump;
|
2020-02-21 21:45:13 +01:00
|
|
|
|
char *last_configname = NULL;
|
|
|
|
|
const char *configname = NULL;
|
|
|
|
|
int debug_argparser = 0;
|
2015-10-21 08:38:10 +02:00
|
|
|
|
int no_more_options = 0;
|
|
|
|
|
char *logfile = NULL;
|
|
|
|
|
/* int debug_wait = 0; */
|
|
|
|
|
int use_random_seed = 1;
|
|
|
|
|
/* int nodetach = 0; */
|
|
|
|
|
/* int nokeysetup = 0; */
|
|
|
|
|
struct server_control_s ctrl;
|
|
|
|
|
|
|
|
|
|
/*mtrace();*/
|
|
|
|
|
|
|
|
|
|
early_system_init ();
|
|
|
|
|
gnupg_reopen_std (G13_NAME "-syshelp");
|
2020-02-21 21:45:13 +01:00
|
|
|
|
gpgrt_set_strusage (my_strusage);
|
2015-10-21 08:38:10 +02:00
|
|
|
|
gcry_control (GCRYCTL_SUSPEND_SECMEM_WARN);
|
|
|
|
|
|
Call log_set_prefix() with human-readable labels.
* agent/preset-passphrase.c, agent/protect-tool.c, dirmngr/dirmngr.c
* dirmngr/t-http.c, g10/gpg.c, g10/gpgv.c, g13/g13-syshelp.c
* g13/g13.c, kbx/kbxutil.c, scd/scdaemon.c, sm/gpgsm.c
* tests/gpgscm/main.c, tools/gpg-check-pattern.c
* tools/gpg-connect-agent.c, tools/gpgconf.c, tools/gpgtar.c
* tools/symcryptrun.c: Invoke log_set_prefix() with
human-readable labels.
--
Some invocations of log_set_prefix() were done with raw numeric values
instead of values that humans can understand. Use symbolic
representations instead of numeric for better readability.
Signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
2016-08-12 01:37:57 -04:00
|
|
|
|
log_set_prefix (G13_NAME "-syshelp", GPGRT_LOG_WITH_PREFIX);
|
2015-10-21 08:38:10 +02:00
|
|
|
|
|
|
|
|
|
/* Make sure that our subsystems are ready. */
|
|
|
|
|
i18n_init ();
|
|
|
|
|
init_common_subsystems (&argc, &argv);
|
|
|
|
|
|
|
|
|
|
/* Take extra care of the random pool. */
|
|
|
|
|
gcry_control (GCRYCTL_USE_SECURE_RNDPOOL);
|
|
|
|
|
|
|
|
|
|
may_coredump = disable_core_dumps ();
|
|
|
|
|
|
|
|
|
|
g13_init_signals ();
|
|
|
|
|
|
|
|
|
|
dotlock_create (NULL, 0); /* Register locking cleanup. */
|
|
|
|
|
|
|
|
|
|
opt.session_env = session_env_new ();
|
|
|
|
|
if (!opt.session_env)
|
|
|
|
|
log_fatal ("error allocating session environment block: %s\n",
|
|
|
|
|
strerror (errno));
|
|
|
|
|
|
|
|
|
|
/* First check whether we have a debug option on the commandline. */
|
|
|
|
|
orig_argc = argc;
|
|
|
|
|
orig_argv = argv;
|
|
|
|
|
pargs.argc = &argc;
|
|
|
|
|
pargs.argv = &argv;
|
|
|
|
|
pargs.flags= (ARGPARSE_FLAG_KEEP | ARGPARSE_FLAG_NOVERSION);
|
2020-02-21 21:45:13 +01:00
|
|
|
|
while (gpgrt_argparse (NULL, &pargs, opts))
|
2015-10-21 08:38:10 +02:00
|
|
|
|
{
|
2020-02-21 21:45:13 +01:00
|
|
|
|
switch (pargs.r_opt)
|
|
|
|
|
{
|
|
|
|
|
case oDebug:
|
|
|
|
|
case oDebugAll:
|
|
|
|
|
debug_argparser++;
|
|
|
|
|
break;
|
|
|
|
|
}
|
2015-10-21 08:38:10 +02:00
|
|
|
|
}
|
2020-02-21 21:45:13 +01:00
|
|
|
|
/* Reset the flags. */
|
|
|
|
|
pargs.flags &= ~(ARGPARSE_FLAG_KEEP | ARGPARSE_FLAG_NOVERSION);
|
2015-10-21 08:38:10 +02:00
|
|
|
|
|
|
|
|
|
/* Initialize the secure memory. */
|
|
|
|
|
gcry_control (GCRYCTL_INIT_SECMEM, 16384, 0);
|
|
|
|
|
maybe_setuid = 0;
|
|
|
|
|
|
|
|
|
|
/*
|
2022-09-21 09:39:48 +02:00
|
|
|
|
* Now we are working under our real uid
|
|
|
|
|
*/
|
2015-10-21 08:38:10 +02:00
|
|
|
|
|
|
|
|
|
/* Setup malloc hooks. */
|
|
|
|
|
{
|
|
|
|
|
struct assuan_malloc_hooks malloc_hooks;
|
|
|
|
|
|
|
|
|
|
malloc_hooks.malloc = gcry_malloc;
|
|
|
|
|
malloc_hooks.realloc = gcry_realloc;
|
|
|
|
|
malloc_hooks.free = gcry_free;
|
|
|
|
|
assuan_set_malloc_hooks (&malloc_hooks);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Prepare libassuan. */
|
|
|
|
|
assuan_set_gpg_err_source (GPG_ERR_SOURCE_DEFAULT);
|
2016-09-05 10:55:10 +02:00
|
|
|
|
setup_libassuan_logging (&opt.debug, NULL);
|
2015-10-21 08:38:10 +02:00
|
|
|
|
|
|
|
|
|
/* Setup a default control structure for command line mode. */
|
|
|
|
|
memset (&ctrl, 0, sizeof ctrl);
|
|
|
|
|
g13_syshelp_init_default_ctrl (&ctrl);
|
|
|
|
|
ctrl.no_server = 1;
|
|
|
|
|
ctrl.status_fd = -1; /* No status output. */
|
|
|
|
|
|
2020-02-21 21:45:13 +01:00
|
|
|
|
/* The configuraton directories for use by gpgrt_argparser. */
|
|
|
|
|
gpgrt_set_confdir (GPGRT_CONFDIR_SYS, gnupg_sysconfdir ());
|
|
|
|
|
gpgrt_set_confdir (GPGRT_CONFDIR_USER, gnupg_homedir ());
|
2015-10-21 08:38:10 +02:00
|
|
|
|
|
|
|
|
|
argc = orig_argc;
|
|
|
|
|
argv = orig_argv;
|
|
|
|
|
pargs.argc = &argc;
|
|
|
|
|
pargs.argv = &argv;
|
2020-02-21 21:45:13 +01:00
|
|
|
|
pargs.flags |= (ARGPARSE_FLAG_RESET
|
|
|
|
|
| ARGPARSE_FLAG_KEEP
|
|
|
|
|
| ARGPARSE_FLAG_SYS
|
|
|
|
|
| ARGPARSE_FLAG_USER);
|
2015-10-21 08:38:10 +02:00
|
|
|
|
|
|
|
|
|
while (!no_more_options
|
2020-02-21 21:45:13 +01:00
|
|
|
|
&& gpgrt_argparser (&pargs, opts, G13_NAME"-syshelp" EXTSEP_S "conf"))
|
2015-10-21 08:38:10 +02:00
|
|
|
|
{
|
|
|
|
|
switch (pargs.r_opt)
|
|
|
|
|
{
|
2020-02-21 21:45:13 +01:00
|
|
|
|
case ARGPARSE_CONFFILE:
|
|
|
|
|
{
|
|
|
|
|
if (debug_argparser)
|
|
|
|
|
log_info (_("reading options from '%s'\n"),
|
|
|
|
|
pargs.r_type? pargs.r.ret_str: "[cmdline]");
|
|
|
|
|
if (pargs.r_type)
|
|
|
|
|
{
|
|
|
|
|
xfree (last_configname);
|
|
|
|
|
last_configname = xstrdup (pargs.r.ret_str);
|
|
|
|
|
configname = last_configname;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
configname = NULL;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
|
2015-10-21 08:38:10 +02:00
|
|
|
|
case oQuiet: opt.quiet = 1; break;
|
|
|
|
|
|
|
|
|
|
case oDryRun: opt.dry_run = 1; break;
|
|
|
|
|
|
|
|
|
|
case oVerbose:
|
|
|
|
|
opt.verbose++;
|
|
|
|
|
gcry_control (GCRYCTL_SET_VERBOSITY, (int)opt.verbose);
|
|
|
|
|
break;
|
|
|
|
|
case oNoVerbose:
|
|
|
|
|
opt.verbose = 0;
|
|
|
|
|
gcry_control (GCRYCTL_SET_VERBOSITY, (int)opt.verbose);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case oLogFile: logfile = pargs.r.ret_str; break;
|
|
|
|
|
case oNoLogFile: logfile = NULL; break;
|
|
|
|
|
|
|
|
|
|
case oNoDetach: /*nodetach = 1; */break;
|
|
|
|
|
|
|
|
|
|
case oDebug:
|
|
|
|
|
if (parse_debug_flag (pargs.r.ret_str, &opt.debug, debug_flags))
|
|
|
|
|
{
|
|
|
|
|
pargs.r_opt = ARGPARSE_INVALID_ARG;
|
|
|
|
|
pargs.err = ARGPARSE_PRINT_ERROR;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
case oDebugAll: debug_value = ~0; break;
|
|
|
|
|
case oDebugNone: debug_value = 0; break;
|
|
|
|
|
case oDebugLevel: debug_level = pargs.r.ret_str; break;
|
|
|
|
|
case oDebugWait: /*debug_wait = pargs.r.ret_int; */break;
|
|
|
|
|
case oDebugAllowCoreDump:
|
|
|
|
|
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;
|
|
|
|
|
|
2016-06-07 10:59:46 +02:00
|
|
|
|
case oHomedir: gnupg_set_homedir (pargs.r.ret_str); break;
|
2015-10-21 08:38:10 +02:00
|
|
|
|
|
|
|
|
|
case oFakedSystemTime:
|
|
|
|
|
{
|
|
|
|
|
time_t faked_time = isotime2epoch (pargs.r.ret_str);
|
|
|
|
|
if (faked_time == (time_t)(-1))
|
|
|
|
|
faked_time = (time_t)strtoul (pargs.r.ret_str, NULL, 10);
|
|
|
|
|
gnupg_set_time (faked_time, 0);
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case oNoSecmemWarn: gcry_control (GCRYCTL_DISABLE_SECMEM_WARN); break;
|
|
|
|
|
|
|
|
|
|
case oNoRandomSeedFile: use_random_seed = 0; break;
|
|
|
|
|
|
|
|
|
|
default:
|
2020-02-21 21:45:13 +01:00
|
|
|
|
pargs.err = configname? ARGPARSE_PRINT_WARNING:ARGPARSE_PRINT_ERROR;
|
2015-10-21 08:38:10 +02:00
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
2020-02-21 21:45:13 +01:00
|
|
|
|
gpgrt_argparse (NULL, &pargs, NULL);
|
|
|
|
|
|
2015-10-21 08:38:10 +02:00
|
|
|
|
|
2020-02-21 21:45:13 +01:00
|
|
|
|
if (!last_configname)
|
|
|
|
|
opt.config_filename = gpgrt_fnameconcat (gnupg_homedir (),
|
|
|
|
|
G13_NAME"-syshelp" EXTSEP_S "conf",
|
|
|
|
|
NULL);
|
|
|
|
|
else
|
2015-10-21 08:38:10 +02:00
|
|
|
|
{
|
2020-02-21 21:45:13 +01:00
|
|
|
|
opt.config_filename = last_configname;
|
|
|
|
|
last_configname = NULL;
|
2015-10-21 08:38:10 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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);
|
Call log_set_prefix() with human-readable labels.
* agent/preset-passphrase.c, agent/protect-tool.c, dirmngr/dirmngr.c
* dirmngr/t-http.c, g10/gpg.c, g10/gpgv.c, g13/g13-syshelp.c
* g13/g13.c, kbx/kbxutil.c, scd/scdaemon.c, sm/gpgsm.c
* tests/gpgscm/main.c, tools/gpg-check-pattern.c
* tools/gpg-connect-agent.c, tools/gpgconf.c, tools/gpgtar.c
* tools/symcryptrun.c: Invoke log_set_prefix() with
human-readable labels.
--
Some invocations of log_set_prefix() were done with raw numeric values
instead of values that humans can understand. Use symbolic
representations instead of numeric for better readability.
Signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
2016-08-12 01:37:57 -04:00
|
|
|
|
log_set_prefix (NULL, GPGRT_LOG_WITH_PREFIX | GPGRT_LOG_WITH_TIME | GPGRT_LOG_WITH_PID);
|
2015-10-21 08:38:10 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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)
|
|
|
|
|
{
|
2016-06-07 10:59:46 +02:00
|
|
|
|
char *p = make_filename (gnupg_homedir (), "random_seed", NULL);
|
2015-10-21 08:38:10 +02:00
|
|
|
|
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;
|
|
|
|
|
}
|
|
|
|
|
|
2016-02-22 10:56:27 +01:00
|
|
|
|
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;
|
|
|
|
|
}
|
2015-10-21 08:38:10 +02:00
|
|
|
|
}
|
|
|
|
|
#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;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2016-02-13 17:30:14 +01:00
|
|
|
|
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);
|
2020-10-20 10:43:55 +02:00
|
|
|
|
if (gnupg_access (fname, F_OK))
|
2016-02-13 17:30:14 +01:00
|
|
|
|
{
|
|
|
|
|
log_info ("*******************************************************\n");
|
2024-01-09 19:52:04 +01:00
|
|
|
|
log_info ("* The G13 support for DM-Crypt is not yet widely used.\n");
|
2016-02-13 17:30:14 +01:00
|
|
|
|
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);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2015-10-21 08:38:10 +02:00
|
|
|
|
/* 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;
|
|
|
|
|
}
|