int main(int argc, char **argv)
{
const char *socket_path = UUIDD_SOCKET_PATH;
const char *pidfile_path = NULL;
const char *pidfile_path_param = NULL;
const char *err_context;
char buf[1024], *cp;
char str[UUID_STR_LEN];
uuid_t uu;
int i, c, ret;
int do_type = 0, do_kill = 0, num = 0;
int no_pid = 0;
int s_flag = 0;
struct uuidd_cxt_t uuidd_cxt = { .timeout = 0 };
static const struct option longopts[] = {
{"pid", required_argument, NULL, 'p'},
{"socket", required_argument, NULL, 's'},
{"timeout", required_argument, NULL, 'T'},
{"kill", no_argument, NULL, 'k'},
{"random", no_argument, NULL, 'r'},
{"time", no_argument, NULL, 't'},
{"uuids", required_argument, NULL, 'n'},
{"no-pid", no_argument, NULL, 'P'},
{"no-fork", no_argument, NULL, 'F'},
{"socket-activation", no_argument, NULL, 'S'},
{"debug", no_argument, NULL, 'd'},
{"quiet", no_argument, NULL, 'q'},
{"version", no_argument, NULL, 'V'},
{"help", no_argument, NULL, 'h'},
{NULL, 0, NULL, 0}
};
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
while ((c =
getopt_long(argc, argv, "p:s:T:krtn:PFSdqVh", longopts,
NULL)) != -1) {
switch (c) {
case 'd':
uuidd_cxt.debug = 1;
break;
case 'k':
do_kill++;
break;
case 'n':
num = strtou32_or_err(optarg,
_("failed to parse --uuids"));
break;
case 'p':
pidfile_path_param = optarg;
break;
case 'P':
no_pid = 1;
break;
case 'F':
uuidd_cxt.no_fork = 1;
break;
case 'S':
#ifdef USE_SOCKET_ACTIVATION
uuidd_cxt.no_sock = 1;
uuidd_cxt.no_fork = 1;
no_pid = 1;
#else
errx(EXIT_FAILURE, _("uuidd has been built without "
"support for socket activation"));
#endif
break;
case 'q':
uuidd_cxt.quiet = 1;
break;
case 'r':
do_type = UUIDD_OP_RANDOM_UUID;
break;
case 's':
socket_path = optarg;
s_flag = 1;
break;
case 't':
do_type = UUIDD_OP_TIME_UUID;
break;
case 'T':
uuidd_cxt.timeout = strtou32_or_err(optarg,
_("failed to parse --timeout"));
break;
case 'V':
printf(UTIL_LINUX_VERSION);
return EXIT_SUCCESS;
case 'h':
usage(stdout);
default:
usage(stderr);
}
}
if (no_pid && pidfile_path_param && !uuidd_cxt.quiet)
warnx(_("Both --pid and --no-pid specified. Ignoring --no-pid."));
if (!no_pid && !pidfile_path_param)
pidfile_path = UUIDD_PIDFILE_PATH;
else if (pidfile_path_param)
pidfile_path = pidfile_path_param;
/* custom socket path and socket-activation make no sense */
if (s_flag && uuidd_cxt.no_sock && !uuidd_cxt.quiet)
warnx(_("Both --socket-activation and --socket specified. "
"Ignoring --socket."));
if (num && do_type) {
ret = call_daemon(socket_path, do_type + 2, buf,
sizeof(buf), &num, &err_context);
if (ret < 0)
err(EXIT_FAILURE, _("error calling uuidd daemon (%s)"),
err_context);
if (do_type == UUIDD_OP_TIME_UUID) {
if (ret != sizeof(uu) + sizeof(num))
unexpected_size(ret);
uuid_unparse((unsigned char *) buf, str);
printf(P_("%s and %d subsequent UUID\n",
"%s and %d subsequent UUIDs\n", num - 1),
str, num - 1);
} else {
printf(_("List of UUIDs:\n"));
cp = buf + 4;
if (ret != (int) (sizeof(num) + num * sizeof(uu)))
unexpected_size(ret);
for (i = 0; i < num; i++, cp += UUID_LEN) {
uuid_unparse((unsigned char *) cp, str);
printf("\t%s\n", str);
}
}
return EXIT_SUCCESS;
}
if (do_type) {
ret = call_daemon(socket_path, do_type, (char *) &uu,
sizeof(uu), 0, &err_context);
if (ret < 0)
err(EXIT_FAILURE, _("error calling uuidd daemon (%s)"),
err_context);
if (ret != sizeof(uu))
unexpected_size(ret);
uuid_unparse(uu, str);
printf("%s\n", str);
return EXIT_SUCCESS;
}
if (do_kill) {
ret = call_daemon(socket_path, UUIDD_OP_GETPID, buf, sizeof(buf), 0, NULL);
if ((ret > 0) && ((do_kill = atoi((char *) buf)) > 0)) {
ret = kill(do_kill, SIGTERM);
if (ret < 0) {
if (!uuidd_cxt.quiet)
warn(_("couldn't kill uuidd running "
"at pid %d"), do_kill);
return EXIT_FAILURE;
}
if (!uuidd_cxt.quiet)
printf(_("Killed uuidd running at pid %d.\n"),
do_kill);
}
return EXIT_SUCCESS;
}
server_loop(socket_path, pidfile_path, &uuidd_cxt);
return EXIT_SUCCESS;
}
int main(int argc, char **argv)
{
const char *socket_path = UUIDD_SOCKET_PATH;
const char *pidfile_path = UUIDD_PIDFILE_PATH;
const char *err_context;
char buf[1024], *cp;
char str[UUID_STR_LEN], *tmp;
uuid_t uu;
uid_t uid;
gid_t gid;
int i, c, ret;
int debug = 0, do_type = 0, do_kill = 0, num = 0;
int timeout = 0, quiet = 0, drop_privs = 0;
static const struct option longopts[] = {
{"pid", required_argument, NULL, 'p'},
{"socket", required_argument, NULL, 's'},
{"timeout", required_argument, NULL, 'T'},
{"kill", no_argument, NULL, 'k'},
{"random", no_argument, NULL, 'r'},
{"time", no_argument, NULL, 't'},
{"uuids", required_argument, NULL, 'n'},
{"debug", no_argument, NULL, 'd'},
{"quiet", no_argument, NULL, 'q'},
{"version", no_argument, NULL, 'V'},
{"help", no_argument, NULL, 'h'},
{NULL, 0, NULL, 0}
};
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
while ((c =
getopt_long(argc, argv, "p:s:T:krtn:dqVh", longopts,
NULL)) != -1) {
switch (c) {
case 'd':
debug++;
drop_privs = 1;
break;
case 'k':
do_kill++;
drop_privs = 1;
break;
case 'n':
num = strtol(optarg, &tmp, 0);
if ((num < 1) || *tmp) {
fprintf(stderr, _("Bad number: %s\n"), optarg);
return EXIT_FAILURE;
}
break;
case 'p':
pidfile_path = optarg;
drop_privs = 1;
break;
case 'q':
quiet++;
break;
case 'r':
do_type = UUIDD_OP_RANDOM_UUID;
drop_privs = 1;
break;
case 's':
socket_path = optarg;
drop_privs = 1;
break;
case 't':
do_type = UUIDD_OP_TIME_UUID;
drop_privs = 1;
break;
case 'T':
timeout = strtol(optarg, &tmp, 0);
if ((timeout < 0) || *tmp) {
fprintf(stderr, _("Bad number: %s\n"), optarg);
return EXIT_FAILURE;
}
break;
case 'V':
printf(_("%s from %s\n"),
program_invocation_short_name,
PACKAGE_STRING);
return EXIT_SUCCESS;
case 'h':
usage(stdout);
default:
usage(stderr);
}
}
uid = getuid();
if (uid && drop_privs) {
gid = getgid();
#ifdef HAVE_SETRESGID
if (setresgid(gid, gid, gid) < 0)
err(EXIT_FAILURE, "setresgid");
#else
if (setregid(gid, gid) < 0)
err(EXIT_FAILURE, "setregid");
#endif
#ifdef HAVE_SETRESUID
if (setresuid(uid, uid, uid) < 0)
err(EXIT_FAILURE, "setresuid");
#else
if (setreuid(uid, uid) < 0)
err(EXIT_FAILURE, "setreuid");
#endif
}
if (num && do_type) {
ret = call_daemon(socket_path, do_type + 2, buf,
sizeof(buf), &num, &err_context);
if (ret < 0) {
printf(_("Error calling uuidd daemon (%s): %m\n"), err_context);
return EXIT_FAILURE;
}
if (do_type == UUIDD_OP_TIME_UUID) {
if (ret != sizeof(uu) + sizeof(num))
unexpected_size(ret);
uuid_unparse((unsigned char *) buf, str);
printf(P_("%s and %d subsequent UUID\n",
"%s and %d subsequent UUIDs\n", num - 1),
str, num - 1);
} else {
printf(_("List of UUIDs:\n"));
cp = buf + 4;
if (ret != (int) (sizeof(num) + num * sizeof(uu)))
unexpected_size(ret);
for (i = 0; i < num; i++, cp += UUID_LEN) {
uuid_unparse((unsigned char *) cp, str);
printf("\t%s\n", str);
}
}
return EXIT_SUCCESS;
}
if (do_type) {
ret = call_daemon(socket_path, do_type, (char *) &uu,
sizeof(uu), 0, &err_context);
if (ret < 0) {
printf(_("Error calling uuidd daemon (%s): %m\n"), err_context);
return EXIT_FAILURE;
}
if (ret != sizeof(uu))
unexpected_size(ret);
uuid_unparse(uu, str);
printf("%s\n", str);
return EXIT_SUCCESS;
}
if (do_kill) {
ret = call_daemon(socket_path, 0, buf, sizeof(buf), 0, 0);
if ((ret > 0) && ((do_kill = atoi((char *) buf)) > 0)) {
ret = kill(do_kill, SIGTERM);
if (ret < 0) {
if (!quiet)
fprintf(stderr,
_("Couldn't kill uuidd running "
"at pid %d: %m\n"), do_kill);
return EXIT_FAILURE;
}
if (!quiet)
printf(_("Killed uuidd running at pid %d\n"),
do_kill);
}
return EXIT_SUCCESS;
}
server_loop(socket_path, pidfile_path, debug, timeout, quiet);
return EXIT_SUCCESS;
}
