int
main( int argc, char **argv )
{
ARGPARSE_ARGS pargs;
enum cmd_and_opt_values cmd = 0;
unsigned long from = 0, to = ULONG_MAX;
int dry_run = 0;
early_system_init ();
set_strusage( my_strusage );
gcry_control (GCRYCTL_DISABLE_SECMEM);
log_set_prefix ("kbxutil", 1);
/* Make sure that our subsystems are ready. */
i18n_init ();
init_common_subsystems (&argc, &argv);
/* Check that the libraries are suitable. Do it here because
the option parsing may need services of the library. */
if (!gcry_check_version (NEED_LIBGCRYPT_VERSION) )
{
log_fatal (_("%s is too old (need %s, have %s)\n"), "libgcrypt",
NEED_LIBGCRYPT_VERSION, gcry_check_version (NULL) );
}
gcry_set_log_handler (my_gcry_logger, NULL);
/*create_dotlock(NULL); register locking cleanup */
/* We need to use the gcry malloc function because jnlib uses them. */
keybox_set_malloc_hooks (gcry_malloc, gcry_realloc, gcry_free);
ksba_set_malloc_hooks (gcry_malloc, gcry_realloc, gcry_free );
pargs.argc = &argc;
pargs.argv = &argv;
pargs.flags= 1; /* do not remove the args */
while (arg_parse( &pargs, opts) )
{
switch (pargs.r_opt)
{
case oVerbose:
/*opt.verbose++;*/
/*gcry_control( GCRYCTL_SET_VERBOSITY, (int)opt.verbose );*/
break;
case oDebug:
/*opt.debug |= pargs.r.ret_ulong; */
break;
case oDebugAll:
/*opt.debug = ~0;*/
break;
case aFindByFpr:
case aFindByKid:
case aFindByUid:
case aStats:
case aImportOpenPGP:
case aFindDups:
case aCut:
cmd = pargs.r_opt;
break;
case oFrom:
from = pargs.r.ret_ulong;
break;
case oTo:
to = pargs.r.ret_ulong;
break;
case oDryRun:
dry_run = 1;
break;
default:
pargs.err = 2;
break;
}
}
if (to < from)
log_error ("record number of \"--to\" is lower than \"--from\" one\n");
if (log_get_errorcount(0) )
myexit(2);
if (!cmd)
{ /* Default is to list a KBX file */
if (!argc)
_keybox_dump_file (NULL, 0, stdout);
else
{
for (; argc; argc--, argv++)
_keybox_dump_file (*argv, 0, stdout);
}
}
else if (cmd == aStats )
{
if (!argc)
_keybox_dump_file (NULL, 1, stdout);
else
{
for (; argc; argc--, argv++)
_keybox_dump_file (*argv, 1, stdout);
}
}
else if (cmd == aFindDups )
{
if (!argc)
_keybox_dump_find_dups (NULL, 0, stdout);
else
{
for (; argc; argc--, argv++)
_keybox_dump_find_dups (*argv, 0, stdout);
}
}
else if (cmd == aCut )
{
if (!argc)
_keybox_dump_cut_records (NULL, from, to, stdout);
else
{
for (; argc; argc--, argv++)
_keybox_dump_cut_records (*argv, from, to, stdout);
}
}
else if (cmd == aImportOpenPGP)
{
if (!argc)
import_openpgp ("-", dry_run);
else
{
for (; argc; argc--, argv++)
import_openpgp (*argv, dry_run);
}
}
#if 0
else if ( cmd == aFindByFpr )
{
char *fpr;
if ( argc != 2 )
wrong_args ("kbxfile foingerprint");
fpr = format_fingerprint ( argv[1] );
if ( !fpr )
log_error ("invalid formatted fingerprint\n");
else
{
kbxfile_search_by_fpr ( argv[0], fpr );
gcry_free ( fpr );
}
}
else if ( cmd == aFindByKid )
{
u32 kid[2];
int mode;
if ( argc != 2 )
wrong_args ("kbxfile short-or-long-keyid");
mode = format_keyid ( argv[1], kid );
if ( !mode )
log_error ("invalid formatted keyID\n");
else
{
kbxfile_search_by_kid ( argv[0], kid, mode );
}
}
else if ( cmd == aFindByUid )
{
if ( argc != 2 )
wrong_args ("kbxfile userID");
kbxfile_search_by_uid ( argv[0], argv[1] );
}
#endif
else
log_error ("unsupported action\n");
myexit(0);
return 8; /*NEVER REACHED*/
}
int
main (int argc, char **argv )
{
ARGPARSE_ARGS pargs;
int orig_argc;
gpg_error_t err;
int may_coredump;
char **orig_argv;
FILE *configfp = NULL;
char *configname = NULL;
const char *shell;
unsigned int configlineno;
int parse_debug = 0;
const char *debug_level = NULL;
int default_config =1;
int greeting = 0;
int nogreeting = 0;
int multi_server = 0;
int is_daemon = 0;
int nodetach = 0;
int csh_style = 0;
char *logfile = NULL;
int debug_wait = 0;
int gpgconf_list = 0;
const char *config_filename = NULL;
int allow_coredump = 0;
int standard_socket = 0;
struct assuan_malloc_hooks malloc_hooks;
set_strusage (my_strusage);
gcry_control (GCRYCTL_SUSPEND_SECMEM_WARN);
/* Please note that we may running SUID(ROOT), so be very CAREFUL
when adding any stuff between here and the call to INIT_SECMEM()
somewhere after the option parsing */
log_set_prefix ("scdaemon", 1|4);
/* Make sure that our subsystems are ready. */
i18n_init ();
init_common_subsystems (&argc, &argv);
/* Libgcrypt requires us to register the threading model first.
Note that this will also do the pth_init. */
gcry_threads_pth.init = fixed_gcry_pth_init;
err = gcry_control (GCRYCTL_SET_THREAD_CBS, &gcry_threads_pth);
if (err)
{
log_fatal ("can't register GNU Pth with Libgcrypt: %s\n",
gpg_strerror (err));
}
/* Check that the libraries are suitable. Do it here because
the option parsing may need services of the library */
if (!gcry_check_version (NEED_LIBGCRYPT_VERSION) )
{
log_fatal (_("%s is too old (need %s, have %s)\n"), "libgcrypt",
NEED_LIBGCRYPT_VERSION, gcry_check_version (NULL) );
}
ksba_set_malloc_hooks (gcry_malloc, gcry_realloc, gcry_free);
malloc_hooks.malloc = gcry_malloc;
malloc_hooks.realloc = gcry_realloc;
malloc_hooks.free = gcry_free;
assuan_set_malloc_hooks (&malloc_hooks);
assuan_set_gpg_err_source (GPG_ERR_SOURCE_DEFAULT);
assuan_set_system_hooks (ASSUAN_SYSTEM_PTH);
assuan_sock_init ();
setup_libassuan_logging (&opt.debug);
setup_libgcrypt_logging ();
gcry_control (GCRYCTL_USE_SECURE_RNDPOOL);
may_coredump = disable_core_dumps ();
/* Set default options. */
opt.allow_admin = 1;
opt.pcsc_driver = DEFAULT_PCSC_DRIVER;
#ifdef HAVE_W32_SYSTEM
standard_socket = 1; /* Under Windows we always use a standard
socket. */
#endif
shell = getenv ("SHELL");
if (shell && strlen (shell) >= 3 && !strcmp (shell+strlen (shell)-3, "csh") )
csh_style = 1;
opt.homedir = default_homedir ();
/* Check whether we have a config file on the commandline */
orig_argc = argc;
orig_argv = argv;
pargs.argc = &argc;
pargs.argv = &argv;
pargs.flags= 1|(1<<6); /* do not remove the args, ignore version */
while (arg_parse( &pargs, opts))
{
if (pargs.r_opt == oDebug || pargs.r_opt == oDebugAll)
parse_debug++;
else if (pargs.r_opt == oOptions)
{ /* yes there is one, so we do not try the default one, but
read the option file when it is encountered at the
commandline */
default_config = 0;
}
else if (pargs.r_opt == oNoOptions)
default_config = 0; /* --no-options */
else if (pargs.r_opt == oHomedir)
opt.homedir = pargs.r.ret_str;
}
/* initialize the secure memory. */
gcry_control (GCRYCTL_INIT_SECMEM, 16384, 0);
maybe_setuid = 0;
/*
Now we are working under our real uid
*/
if (default_config)
configname = make_filename (opt.homedir, "scdaemon.conf", NULL );
argc = orig_argc;
argv = orig_argv;
pargs.argc = &argc;
pargs.argv = &argv;
pargs.flags= 1; /* do not remove the args */
next_pass:
if (configname)
{
configlineno = 0;
configfp = fopen (configname, "r");
if (!configfp)
{
if (default_config)
{
if( parse_debug )
log_info (_("NOTE: no default option file `%s'\n"),
configname );
}
else
{
log_error (_("option file `%s': %s\n"),
configname, strerror(errno) );
exit(2);
}
xfree (configname);
configname = NULL;
}
if (parse_debug && configname )
log_info (_("reading options from `%s'\n"), configname );
default_config = 0;
}
while (optfile_parse( configfp, configname, &configlineno, &pargs, opts) )
{
switch (pargs.r_opt)
{
case aGPGConfList: gpgconf_list = 1; break;
case aGPGConfTest: gpgconf_list = 2; break;
case oQuiet: opt.quiet = 1; break;
case oVerbose: opt.verbose++; break;
case oBatch: opt.batch=1; break;
case oDebug: opt.debug |= pargs.r.ret_ulong; break;
case oDebugAll: opt.debug = ~0; break;
case oDebugLevel: debug_level = pargs.r.ret_str; break;
case oDebugWait: debug_wait = pargs.r.ret_int; break;
case oDebugAllowCoreDump:
enable_core_dumps ();
allow_coredump = 1;
break;
case oDebugCCIDDriver:
#ifdef HAVE_LIBUSB
ccid_set_debug_level (ccid_set_debug_level (-1)+1);
#endif /*HAVE_LIBUSB*/
break;
case oDebugDisableTicker: ticker_disabled = 1; break;
case oDebugLogTid:
log_set_pid_suffix_cb (tid_log_callback);
break;
case oOptions:
/* config files may not be nested (silently ignore them) */
if (!configfp)
{
xfree(configname);
configname = xstrdup(pargs.r.ret_str);
goto next_pass;
}
break;
case oNoGreeting: nogreeting = 1; break;
case oNoVerbose: opt.verbose = 0; break;
case oNoOptions: break; /* no-options */
case oHomedir: opt.homedir = pargs.r.ret_str; break;
case oNoDetach: nodetach = 1; break;
case oLogFile: logfile = pargs.r.ret_str; break;
case oCsh: csh_style = 1; break;
case oSh: csh_style = 0; break;
case oServer: pipe_server = 1; break;
case oMultiServer: pipe_server = 1; multi_server = 1; break;
case oDaemon: is_daemon = 1; break;
case oReaderPort: opt.reader_port = pargs.r.ret_str; break;
case octapiDriver: opt.ctapi_driver = pargs.r.ret_str; break;
case opcscDriver: opt.pcsc_driver = pargs.r.ret_str; break;
case oDisableCCID: opt.disable_ccid = 1; break;
case oDisableOpenSC: break;
case oDisableKeypad: opt.disable_keypad = 1; break;
case oAllowAdmin: /* Dummy because allow is now the default. */
break;
case oDenyAdmin: opt.allow_admin = 0; break;
case oCardTimeout: opt.card_timeout = pargs.r.ret_ulong; break;
case oDisableApplication:
add_to_strlist (&opt.disabled_applications, pargs.r.ret_str);
break;
default:
pargs.err = configfp? ARGPARSE_PRINT_WARNING:ARGPARSE_PRINT_ERROR;
break;
}
}
if (configfp)
{
fclose( configfp );
configfp = NULL;
/* Keep a copy of the config name for use by --gpgconf-list. */
config_filename = configname;
configname = NULL;
goto next_pass;
}
xfree (configname);
configname = NULL;
if (log_get_errorcount(0))
exit(2);
if (nogreeting )
greeting = 0;
if (greeting)
{
es_fprintf (es_stderr, "%s %s; %s\n",
strusage(11), strusage(13), strusage(14) );
es_fprintf (es_stderr, "%s\n", strusage(15) );
}
#ifdef IS_DEVELOPMENT_VERSION
log_info ("NOTE: this is a development version!\n");
#endif
if (atexit (cleanup))
{
log_error ("atexit failed\n");
cleanup ();
exit (1);
}
set_debug (debug_level);
initialize_module_command ();
if (gpgconf_list == 2)
scd_exit (0);
if (gpgconf_list)
{
/* List options and default values in the GPG Conf format. */
char *filename = NULL;
char *filename_esc;
if (config_filename)
filename = xstrdup (config_filename);
else
filename = make_filename (opt.homedir, "scdaemon.conf", NULL);
filename_esc = percent_escape (filename, NULL);
es_printf ("gpgconf-scdaemon.conf:%lu:\"%s\n",
GC_OPT_FLAG_DEFAULT, filename_esc);
xfree (filename_esc);
xfree (filename);
es_printf ("verbose:%lu:\n"
"quiet:%lu:\n"
"debug-level:%lu:\"none:\n"
"log-file:%lu:\n",
GC_OPT_FLAG_NONE,
GC_OPT_FLAG_NONE,
GC_OPT_FLAG_DEFAULT,
GC_OPT_FLAG_NONE );
es_printf ("reader-port:%lu:\n", GC_OPT_FLAG_NONE );
es_printf ("ctapi-driver:%lu:\n", GC_OPT_FLAG_NONE );
es_printf ("pcsc-driver:%lu:\"%s:\n",
GC_OPT_FLAG_DEFAULT, DEFAULT_PCSC_DRIVER );
#ifdef HAVE_LIBUSB
es_printf ("disable-ccid:%lu:\n", GC_OPT_FLAG_NONE );
#endif
es_printf ("deny-admin:%lu:\n", GC_OPT_FLAG_NONE );
es_printf ("disable-keypad:%lu:\n", GC_OPT_FLAG_NONE );
es_printf ("card-timeout:%lu:%d:\n", GC_OPT_FLAG_DEFAULT, 0);
scd_exit (0);
}
/* Now start with logging to a file if this is desired. */
if (logfile)
{
log_set_file (logfile);
log_set_prefix (NULL, 1|2|4);
}
if (debug_wait && pipe_server)
{
log_debug ("waiting for debugger - my pid is %u .....\n",
(unsigned int)getpid());
gnupg_sleep (debug_wait);
log_debug ("... okay\n");
}
if (pipe_server)
{
/* This is the simple pipe based server */
ctrl_t ctrl;
pth_attr_t tattr;
int fd = -1;
#ifndef HAVE_W32_SYSTEM
{
struct sigaction sa;
sa.sa_handler = SIG_IGN;
sigemptyset (&sa.sa_mask);
sa.sa_flags = 0;
sigaction (SIGPIPE, &sa, NULL);
}
#endif
/* If --debug-allow-core-dump has been given we also need to
switch the working directory to a place where we can actually
write. */
if (allow_coredump)
{
if (chdir("/tmp"))
log_debug ("chdir to `/tmp' failed: %s\n", strerror (errno));
else
log_debug ("changed working directory to `/tmp'\n");
}
/* In multi server mode we need to listen on an additional
socket. Create that socket now before starting the handler
for the pipe connection. This allows that handler to send
back the name of that socket. */
if (multi_server)
{
socket_name = create_socket_name (standard_socket,
"S.scdaemon",
"gpg-XXXXXX/S.scdaemon");
fd = FD2INT(create_server_socket (standard_socket,
socket_name, &socket_nonce));
}
tattr = pth_attr_new();
pth_attr_set (tattr, PTH_ATTR_JOINABLE, 0);
pth_attr_set (tattr, PTH_ATTR_STACK_SIZE, 512*1024);
pth_attr_set (tattr, PTH_ATTR_NAME, "pipe-connection");
ctrl = xtrycalloc (1, sizeof *ctrl);
if ( !ctrl )
{
log_error ("error allocating connection control data: %s\n",
strerror (errno) );
scd_exit (2);
}
ctrl->thread_startup.fd = GNUPG_INVALID_FD;
if ( !pth_spawn (tattr, start_connection_thread, ctrl) )
{
log_error ("error spawning pipe connection handler: %s\n",
strerror (errno) );
xfree (ctrl);
scd_exit (2);
}
/* We run handle_connection to wait for the shutdown signal and
to run the ticker stuff. */
handle_connections (fd);
if (fd != -1)
close (fd);
}
else if (!is_daemon)
{
log_info (_("please use the option `--daemon'"
" to run the program in the background\n"));
}
else
{ /* Regular server mode */
int fd;
#ifndef HAVE_W32_SYSTEM
pid_t pid;
int i;
#endif
/* Create the socket. */
socket_name = create_socket_name (standard_socket,
"S.scdaemon",
"gpg-XXXXXX/S.scdaemon");
fd = FD2INT (create_server_socket (standard_socket,
socket_name, &socket_nonce));
fflush (NULL);
#ifndef HAVE_W32_SYSTEM
pid = fork ();
if (pid == (pid_t)-1)
{
log_fatal ("fork failed: %s\n", strerror (errno) );
exit (1);
}
else if (pid)
{ /* we are the parent */
char *infostr;
close (fd);
/* create the info string: <name>:<pid>:<protocol_version> */
if (estream_asprintf (&infostr, "SCDAEMON_INFO=%s:%lu:1",
socket_name, (ulong) pid) < 0)
{
log_error ("out of core\n");
kill (pid, SIGTERM);
exit (1);
}
*socket_name = 0; /* don't let cleanup() remove the socket -
the child should do this from now on */
if (argc)
{ /* run the program given on the commandline */
if (putenv (infostr))
{
log_error ("failed to set environment: %s\n",
strerror (errno) );
kill (pid, SIGTERM );
exit (1);
}
execvp (argv[0], argv);
log_error ("failed to run the command: %s\n", strerror (errno));
kill (pid, SIGTERM);
exit (1);
}
else
{
/* Print the environment string, so that the caller can use
shell's eval to set it */
if (csh_style)
{
*strchr (infostr, '=') = ' ';
es_printf ( "setenv %s\n", infostr);
}
else
{
es_printf ( "%s; export SCDAEMON_INFO;\n", infostr);
}
xfree (infostr);
exit (0);
}
/* NOTREACHED */
} /* end parent */
/* This is the child. */
/* Detach from tty and put process into a new session. */
if (!nodetach )
{
/* Close stdin, stdout and stderr unless it is the log stream. */
for (i=0; i <= 2; i++)
{
if ( log_test_fd (i) && i != fd)
close (i);
}
if (setsid() == -1)
{
log_error ("setsid() failed: %s\n", strerror(errno) );
cleanup ();
exit (1);
}
}
{
struct sigaction sa;
sa.sa_handler = SIG_IGN;
sigemptyset (&sa.sa_mask);
sa.sa_flags = 0;
sigaction (SIGPIPE, &sa, NULL);
}
if (chdir("/"))
{
log_error ("chdir to / failed: %s\n", strerror (errno));
exit (1);
}
#endif /*!HAVE_W32_SYSTEM*/
handle_connections (fd);
close (fd);
}
return 0;
}
