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[37], *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;
#ifdef ENABLE_NLS
setlocale(LC_MESSAGES, "");
setlocale(LC_CTYPE, "");
bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
textdomain(NLS_CAT_NAME);
#endif
while ((c = getopt (argc, argv, "dkn:qp:s:tT:r")) != EOF) {
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 < 0) || *tmp) {
fprintf(stderr, _("Bad number: %s\n"), optarg);
exit(1);
}
case 'p':
pidfile_path = optarg;
drop_privs = 1;
break;
case 'q':
quiet++;
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);
exit(1);
}
break;
case 'r':
do_type = UUIDD_OP_RANDOM_UUID;
drop_privs = 1;
break;
default:
usage(argv[0]);
}
}
uid = getuid();
if (uid && drop_privs) {
gid = getgid();
#ifdef HAVE_SETRESGID
if (setresgid(gid, gid, gid) < 0)
die("setresgid");
#else
if (setregid(gid, gid) < 0)
die("setregid");
#endif
#ifdef HAVE_SETRESUID
if (setresuid(uid, uid, uid) < 0)
die("setresuid");
#else
if (setreuid(uid, uid) < 0)
die("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): %s\n"),
err_context, strerror(errno));
exit(1);
}
if (do_type == UUIDD_OP_TIME_UUID) {
if (ret != sizeof(uu) + sizeof(num))
goto unexpected_size;
uuid_unparse((unsigned char *) buf, str);
printf(_("%s and subsequent %d UUID's\n"), str, num);
} else {
printf(_("List of UUID's:\n"));
cp = buf + 4;
if (ret != (int) (sizeof(num) + num*sizeof(uu)))
goto unexpected_size;
for (i=0; i < num; i++, cp+=16) {
uuid_unparse((unsigned char *) cp, str);
printf("\t%s\n", str);
}
}
exit(0);
}
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): %s\n"),
err_context, strerror(errno));
exit(1);
}
if (ret != sizeof(uu)) {
unexpected_size:
printf(_("Unexpected reply length from server %d\n"),
ret);
exit(1);
}
uuid_unparse(uu, str);
printf("%s\n", str);
exit(0);
}
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: %s\n"), do_kill,
strerror(errno));
exit(1);
}
if (!quiet)
printf(_("Killed uuidd running at pid %d\n"),
do_kill);
}
exit(0);
}
server_loop(socket_path, pidfile_path, debug, timeout, quiet);
return 0;
}
static void server_loop(const char *socket_path, const char *pidfile_path,
int debug, int timeout, int quiet)
{
struct sockaddr_un my_addr, from_addr;
struct flock fl;
socklen_t fromlen;
int32_t reply_len = 0;
uuid_t uu;
mode_t save_umask;
char reply_buf[1024], *cp;
char op, str[37];
int i, s, ns, len, num;
int fd_pidfile, ret;
fd_pidfile = open(pidfile_path, O_CREAT | O_RDWR, 0664);
if (fd_pidfile < 0) {
if (!quiet)
fprintf(stderr, "Failed to open/create %s: %s\n",
pidfile_path, strerror(errno));
exit(1);
}
cleanup_pidfile = pidfile_path;
cleanup_socket = 0;
signal(SIGALRM, terminate_intr);
alarm(30);
fl.l_type = F_WRLCK;
fl.l_whence = SEEK_SET;
fl.l_start = 0;
fl.l_len = 0;
fl.l_pid = 0;
while (fcntl(fd_pidfile, F_SETLKW, &fl) < 0) {
if ((errno == EAGAIN) || (errno == EINTR))
continue;
if (!quiet)
fprintf(stderr, "Failed to lock %s: %s\n",
pidfile_path, strerror(errno));
exit(1);
}
ret = call_daemon(socket_path, 0, reply_buf, sizeof(reply_buf), 0, 0);
if (ret > 0) {
if (!quiet)
printf(_("uuidd daemon already running at pid %s\n"),
reply_buf);
exit(1);
}
alarm(0);
if ((s = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {
if (!quiet)
fprintf(stderr, _("Couldn't create unix stream "
"socket: %s"), strerror(errno));
exit(1);
}
/*
* Make sure the socket isn't using fd numbers 0-2 to avoid it
* getting closed by create_daemon()
*/
while (!debug && s <= 2) {
s = dup(s);
if (s < 0) {
perror("dup");
exit(1);
}
}
/*
* Create the address we will be binding to.
*/
my_addr.sun_family = AF_UNIX;
strncpy(my_addr.sun_path, socket_path, sizeof(my_addr.sun_path));
my_addr.sun_path[sizeof(my_addr.sun_path)-1] = '\0';
(void) unlink(socket_path);
save_umask = umask(0);
if (bind(s, (const struct sockaddr *) &my_addr,
sizeof(struct sockaddr_un)) < 0) {
if (!quiet)
fprintf(stderr,
_("Couldn't bind unix socket %s: %s\n"),
socket_path, strerror(errno));
exit(1);
}
(void) umask(save_umask);
if (listen(s, 5) < 0) {
if (!quiet)
fprintf(stderr, _("Couldn't listen on unix "
"socket %s: %s\n"), socket_path,
strerror(errno));
exit(1);
}
cleanup_socket = socket_path;
if (!debug)
create_daemon();
signal(SIGHUP, terminate_intr);
signal(SIGINT, terminate_intr);
signal(SIGTERM, terminate_intr);
signal(SIGALRM, terminate_intr);
signal(SIGPIPE, SIG_IGN);
sprintf(reply_buf, "%8d\n", getpid());
if (ftruncate(fd_pidfile, 0)) {} /* Silence warn_unused_result */
write_all(fd_pidfile, reply_buf, strlen(reply_buf));
if (fd_pidfile > 1)
close(fd_pidfile); /* Unlock the pid file */
while (1) {
fromlen = sizeof(from_addr);
if (timeout > 0)
alarm(timeout);
ns = accept(s, (struct sockaddr *) &from_addr, &fromlen);
alarm(0);
if (ns < 0) {
if ((errno == EAGAIN) || (errno == EINTR))
continue;
perror("accept");
exit(1);
}
len = read(ns, &op, 1);
if (len != 1) {
if (len < 0)
perror("read");
else
printf(_("Error reading from client, "
"len = %d\n"), len);
goto shutdown_socket;
}
if ((op == 4) || (op == 5)) {
if (read_all(ns, (char *) &num, sizeof(num)) != 4)
goto shutdown_socket;
if (debug)
printf(_("operation %d, incoming num = %d\n"),
op, num);
} else if (debug)
printf("operation %d\n", op);
switch(op) {
case UUIDD_OP_GETPID:
sprintf(reply_buf, "%d", getpid());
reply_len = strlen(reply_buf)+1;
break;
case UUIDD_OP_GET_MAXOP:
sprintf(reply_buf, "%d", UUIDD_MAX_OP);
reply_len = strlen(reply_buf)+1;
break;
case UUIDD_OP_TIME_UUID:
num = 1;
uuid__generate_time(uu, &num);
if (debug) {
uuid_unparse(uu, str);
printf(_("Generated time UUID: %s\n"), str);
}
memcpy(reply_buf, uu, sizeof(uu));
reply_len = sizeof(uu);
break;
case UUIDD_OP_RANDOM_UUID:
num = 1;
uuid__generate_random(uu, &num);
if (debug) {
uuid_unparse(uu, str);
printf(_("Generated random UUID: %s\n"), str);
}
memcpy(reply_buf, uu, sizeof(uu));
reply_len = sizeof(uu);
break;
case UUIDD_OP_BULK_TIME_UUID:
uuid__generate_time(uu, &num);
if (debug) {
uuid_unparse(uu, str);
printf(_("Generated time UUID %s and %d "
"following\n"), str, num);
}
memcpy(reply_buf, uu, sizeof(uu));
reply_len = sizeof(uu);
memcpy(reply_buf+reply_len, &num, sizeof(num));
reply_len += sizeof(num);
break;
case UUIDD_OP_BULK_RANDOM_UUID:
if (num < 0)
num = 1;
if (num > 1000)
num = 1000;
if (num*16 > (int) (sizeof(reply_buf)-sizeof(num)))
num = (sizeof(reply_buf)-sizeof(num)) / 16;
uuid__generate_random((unsigned char *) reply_buf +
sizeof(num), &num);
if (debug) {
printf(_("Generated %d UUID's:\n"), num);
for (i=0, cp=reply_buf+sizeof(num);
i < num; i++, cp+=16) {
uuid_unparse((unsigned char *)cp, str);
printf("\t%s\n", str);
}
}
reply_len = (num*16) + sizeof(num);
memcpy(reply_buf, &num, sizeof(num));
break;
default:
if (debug)
printf(_("Invalid operation %d\n"), op);
goto shutdown_socket;
}
write_all(ns, (char *) &reply_len, sizeof(reply_len));
write_all(ns, reply_buf, reply_len);
shutdown_socket:
close(ns);
}
}
static void server_loop(const char *socket_path, const char *pidfile_path,
const struct uuidd_cxt_t *uuidd_cxt)
{
struct sockaddr_un from_addr;
socklen_t fromlen;
int32_t reply_len = 0;
uuid_t uu;
char reply_buf[1024], *cp;
char op, str[UUID_STR_LEN];
int i, ns, len, num;
int s = 0;
int fd_pidfile = -1;
int ret;
#ifdef USE_SOCKET_ACTIVATION
if (!uuidd_cxt->no_sock) /* no_sock implies no_fork and no_pid */
#endif
{
signal(SIGALRM, terminate_intr);
alarm(30);
if (pidfile_path)
fd_pidfile = create_pidfile(pidfile_path, uuidd_cxt->quiet);
ret = call_daemon(socket_path, UUIDD_OP_GETPID, reply_buf,
sizeof(reply_buf), 0, NULL);
if (ret > 0) {
if (!uuidd_cxt->quiet)
warnx(_("uuidd daemon is already running at pid %s"),
reply_buf);
exit(EXIT_FAILURE);
}
alarm(0);
s = create_socket(socket_path,
(!uuidd_cxt->debug || !uuidd_cxt->no_fork),
uuidd_cxt->quiet);
if (listen(s, SOMAXCONN) < 0) {
if (!uuidd_cxt->quiet)
warn(_("couldn't listen on unix socket %s"), socket_path);
exit(EXIT_FAILURE);
}
if (!uuidd_cxt->debug && !uuidd_cxt->no_fork)
create_daemon();
if (pidfile_path) {
sprintf(reply_buf, "%8d\n", getpid());
ignore_result( ftruncate(fd_pidfile, 0) );
write_all(fd_pidfile, reply_buf, strlen(reply_buf));
if (fd_pidfile > 1)
close(fd_pidfile); /* Unlock the pid file */
}
}
signal(SIGHUP, terminate_intr);
signal(SIGINT, terminate_intr);
signal(SIGTERM, terminate_intr);
signal(SIGALRM, terminate_intr);
signal(SIGPIPE, SIG_IGN);
#ifdef USE_SOCKET_ACTIVATION
if (uuidd_cxt->no_sock) {
if (sd_listen_fds(0) != 1)
errx(EXIT_FAILURE, _("no or too many file descriptors received"));
s = SD_LISTEN_FDS_START + 0;
}
#endif
while (1) {
fromlen = sizeof(from_addr);
if (uuidd_cxt->timeout > 0)
alarm(uuidd_cxt->timeout);
ns = accept(s, (struct sockaddr *) &from_addr, &fromlen);
alarm(0);
if (ns < 0) {
if ((errno == EAGAIN) || (errno == EINTR))
continue;
else
err(EXIT_FAILURE, "accept");
}
len = read(ns, &op, 1);
if (len != 1) {
if (len < 0)
warn(_("read failed"));
else
warnx(_("error reading from client, len = %d"),
len);
goto shutdown_socket;
}
if ((op == UUIDD_OP_BULK_TIME_UUID) ||
(op == UUIDD_OP_BULK_RANDOM_UUID)) {
if (read_all(ns, (char *) &num, sizeof(num)) != 4)
goto shutdown_socket;
if (uuidd_cxt->debug)
fprintf(stderr, _("operation %d, incoming num = %d\n"),
op, num);
} else if (uuidd_cxt->debug)
fprintf(stderr, _("operation %d\n"), op);
switch (op) {
case UUIDD_OP_GETPID:
sprintf(reply_buf, "%d", getpid());
reply_len = strlen(reply_buf) + 1;
break;
case UUIDD_OP_GET_MAXOP:
sprintf(reply_buf, "%d", UUIDD_MAX_OP);
reply_len = strlen(reply_buf) + 1;
break;
case UUIDD_OP_TIME_UUID:
num = 1;
__uuid_generate_time(uu, &num);
if (uuidd_cxt->debug) {
uuid_unparse(uu, str);
fprintf(stderr, _("Generated time UUID: %s\n"), str);
}
memcpy(reply_buf, uu, sizeof(uu));
reply_len = sizeof(uu);
break;
case UUIDD_OP_RANDOM_UUID:
num = 1;
__uuid_generate_random(uu, &num);
if (uuidd_cxt->debug) {
uuid_unparse(uu, str);
fprintf(stderr, _("Generated random UUID: %s\n"), str);
}
memcpy(reply_buf, uu, sizeof(uu));
reply_len = sizeof(uu);
break;
case UUIDD_OP_BULK_TIME_UUID:
__uuid_generate_time(uu, &num);
if (uuidd_cxt->debug) {
uuid_unparse(uu, str);
fprintf(stderr, P_("Generated time UUID %s "
"and %d following\n",
"Generated time UUID %s "
"and %d following\n", num - 1),
str, num - 1);
}
memcpy(reply_buf, uu, sizeof(uu));
reply_len = sizeof(uu);
memcpy(reply_buf + reply_len, &num, sizeof(num));
reply_len += sizeof(num);
break;
case UUIDD_OP_BULK_RANDOM_UUID:
if (num < 0)
num = 1;
if (num > 1000)
num = 1000;
if (num * UUID_LEN > (int) (sizeof(reply_buf) - sizeof(num)))
num = (sizeof(reply_buf) - sizeof(num)) / UUID_LEN;
__uuid_generate_random((unsigned char *) reply_buf +
sizeof(num), &num);
if (uuidd_cxt->debug) {
fprintf(stderr, P_("Generated %d UUID:\n",
"Generated %d UUIDs:\n", num), num);
for (i = 0, cp = reply_buf + sizeof(num);
i < num;
i++, cp += UUID_LEN) {
uuid_unparse((unsigned char *)cp, str);
fprintf(stderr, "\t%s\n", str);
}
}
reply_len = (num * UUID_LEN) + sizeof(num);
memcpy(reply_buf, &num, sizeof(num));
break;
default:
if (uuidd_cxt->debug)
fprintf(stderr, _("Invalid operation %d\n"), op);
goto shutdown_socket;
}
write_all(ns, (char *) &reply_len, sizeof(reply_len));
write_all(ns, reply_buf, reply_len);
shutdown_socket:
close(ns);
}
}
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;
}
