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-rw-r--r--src/nat/nat_mini.c712
1 files changed, 0 insertions, 712 deletions
diff --git a/src/nat/nat_mini.c b/src/nat/nat_mini.c
deleted file mode 100644
index 915bcbdb6..000000000
--- a/src/nat/nat_mini.c
+++ /dev/null
@@ -1,712 +0,0 @@
1/*
2 This file is part of GNUnet.
3 Copyright (C) 2011-2014 GNUnet e.V.
4
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
9
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, USA.
19*/
20
21/**
22 * @file nat/nat_mini.c
23 * @brief functions for interaction with miniupnp; tested with miniupnpc 1.5
24 * @author Christian Grothoff
25 */
26#include "platform.h"
27#include "gnunet_util_lib.h"
28#include "gnunet_nat_lib.h"
29#include "nat.h"
30
31#define LOG(kind,...) GNUNET_log_from (kind, "nat", __VA_ARGS__)
32
33/**
34 * How long do we give upnpc to create a mapping?
35 */
36#define MAP_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 15)
37
38/**
39 * How long do we give upnpc to remove a mapping?
40 */
41#define UNMAP_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
42
43/**
44 * How often do we check for changes in the mapping?
45 */
46#define MAP_REFRESH_FREQ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 5)
47
48
49
50/**
51 * Opaque handle to cancel "GNUNET_NAT_mini_get_external_ipv4" operation.
52 */
53struct GNUNET_NAT_ExternalHandle
54{
55
56 /**
57 * Function to call with the result.
58 */
59 GNUNET_NAT_IPCallback cb;
60
61 /**
62 * Closure for @e cb.
63 */
64 void *cb_cls;
65
66 /**
67 * Read task.
68 */
69 struct GNUNET_SCHEDULER_Task * task;
70
71 /**
72 * Handle to 'external-ip' process.
73 */
74 struct GNUNET_OS_Process *eip;
75
76 /**
77 * Handle to stdout pipe of 'external-ip'.
78 */
79 struct GNUNET_DISK_PipeHandle *opipe;
80
81 /**
82 * Read handle of @e opipe.
83 */
84 const struct GNUNET_DISK_FileHandle *r;
85
86 /**
87 * When should this operation time out?
88 */
89 struct GNUNET_TIME_Absolute timeout;
90
91 /**
92 * Number of bytes in 'buf' that are valid.
93 */
94 size_t off;
95
96 /**
97 * Destination of our read operation (output of 'external-ip').
98 */
99 char buf[17];
100
101 /**
102 * Error code for better debugging and user feedback
103 */
104 enum GNUNET_NAT_StatusCode ret;
105};
106
107
108/**
109 * Read the output of 'external-ip' into buf. When complete, parse the
110 * address and call our callback.
111 *
112 * @param cls the `struct GNUNET_NAT_ExternalHandle`
113 */
114static void
115read_external_ipv4 (void *cls)
116{
117 struct GNUNET_NAT_ExternalHandle *eh = cls;
118 ssize_t ret;
119 struct in_addr addr;
120 const struct GNUNET_SCHEDULER_TaskContext *tc;
121
122 eh->task = NULL;
123 tc = GNUNET_SCHEDULER_get_task_context ();
124 if (GNUNET_YES ==
125 GNUNET_NETWORK_fdset_handle_isset (tc->read_ready, eh->r))
126 {
127 ret =
128 GNUNET_DISK_file_read (eh->r, &eh->buf[eh->off],
129 sizeof (eh->buf) - eh->off);
130 }
131 else
132 {
133 eh->ret = GNUNET_NAT_ERROR_IPC_FAILURE;
134 ret = -1; /* error reading, timeout, etc. */
135 }
136 if (ret > 0)
137 {
138 /* try to read more */
139 eh->off += ret;
140 eh->task =
141 GNUNET_SCHEDULER_add_read_file (GNUNET_TIME_absolute_get_remaining
142 (eh->timeout), eh->r,
143 &read_external_ipv4, eh);
144 return;
145 }
146 eh->ret = GNUNET_NAT_ERROR_EXTERNAL_IP_UTILITY_OUTPUT_INVALID;
147 if ((eh->off > 7) && (eh->buf[eh->off - 1] == '\n'))
148 {
149 eh->buf[eh->off - 1] = '\0';
150 if (1 == inet_pton (AF_INET, eh->buf, &addr))
151 {
152 if (0 != addr.s_addr)
153 eh->ret = GNUNET_NAT_ERROR_EXTERNAL_IP_ADDRESS_INVALID; /* got 0.0.0.0 */
154 else
155 eh->ret = GNUNET_NAT_ERROR_SUCCESS;
156 }
157 }
158 eh->cb (eh->cb_cls,
159 (GNUNET_NAT_ERROR_SUCCESS == eh->ret) ? &addr : NULL,
160 eh->ret);
161 GNUNET_NAT_mini_get_external_ipv4_cancel (eh);
162}
163
164
165/**
166 * (Asynchronously) signal error invoking "external-ip" to client.
167 *
168 * @param cls the `struct GNUNET_NAT_ExternalHandle` (freed)
169 */
170static void
171signal_external_ip_error (void *cls)
172{
173 struct GNUNET_NAT_ExternalHandle *eh = cls;
174
175 eh->task = NULL;
176 eh->cb (eh->cb_cls,
177 NULL,
178 eh->ret);
179 GNUNET_free (eh);
180}
181
182
183/**
184 * Try to get the external IPv4 address of this peer.
185 *
186 * @param timeout when to fail
187 * @param cb function to call with result
188 * @param cb_cls closure for @a cb
189 * @return handle for cancellation (can only be used until @a cb is called), never NULL
190 */
191struct GNUNET_NAT_ExternalHandle *
192GNUNET_NAT_mini_get_external_ipv4 (struct GNUNET_TIME_Relative timeout,
193 GNUNET_NAT_IPCallback cb, void *cb_cls)
194{
195 struct GNUNET_NAT_ExternalHandle *eh;
196
197 eh = GNUNET_new (struct GNUNET_NAT_ExternalHandle);
198 eh->cb = cb;
199 eh->cb_cls = cb_cls;
200 eh->ret = GNUNET_NAT_ERROR_SUCCESS;
201 if (GNUNET_SYSERR ==
202 GNUNET_OS_check_helper_binary ("external-ip", GNUNET_NO, NULL))
203 {
204 LOG (GNUNET_ERROR_TYPE_INFO,
205 _("`external-ip' command not found\n"));
206 eh->ret = GNUNET_NAT_ERROR_EXTERNAL_IP_UTILITY_NOT_FOUND;
207 eh->task = GNUNET_SCHEDULER_add_now (&signal_external_ip_error,
208 eh);
209 return eh;
210 }
211 LOG (GNUNET_ERROR_TYPE_DEBUG,
212 "Running `external-ip' to determine our external IP\n");
213 eh->opipe = GNUNET_DISK_pipe (GNUNET_YES, GNUNET_YES, GNUNET_NO, GNUNET_YES);
214 if (NULL == eh->opipe)
215 {
216 eh->ret = GNUNET_NAT_ERROR_IPC_FAILURE;
217 eh->task = GNUNET_SCHEDULER_add_now (&signal_external_ip_error,
218 eh);
219 return eh;
220 }
221 eh->eip =
222 GNUNET_OS_start_process (GNUNET_NO, 0, NULL, eh->opipe, NULL,
223 "external-ip", "external-ip",
224 NULL);
225 if (NULL == eh->eip)
226 {
227 GNUNET_DISK_pipe_close (eh->opipe);
228 eh->ret = GNUNET_NAT_ERROR_EXTERNAL_IP_UTILITY_FAILED;
229 eh->task = GNUNET_SCHEDULER_add_now (&signal_external_ip_error,
230 eh);
231 return eh;
232 }
233 GNUNET_DISK_pipe_close_end (eh->opipe, GNUNET_DISK_PIPE_END_WRITE);
234 eh->timeout = GNUNET_TIME_relative_to_absolute (timeout);
235 eh->r = GNUNET_DISK_pipe_handle (eh->opipe, GNUNET_DISK_PIPE_END_READ);
236 eh->task =
237 GNUNET_SCHEDULER_add_read_file (timeout,
238 eh->r,
239 &read_external_ipv4, eh);
240 return eh;
241}
242
243
244/**
245 * Cancel operation.
246 *
247 * @param eh operation to cancel
248 */
249void
250GNUNET_NAT_mini_get_external_ipv4_cancel (struct GNUNET_NAT_ExternalHandle *eh)
251{
252 if (NULL != eh->eip)
253 {
254 (void) GNUNET_OS_process_kill (eh->eip, SIGKILL);
255 GNUNET_OS_process_destroy (eh->eip);
256 }
257 if (NULL != eh->opipe)
258 GNUNET_DISK_pipe_close (eh->opipe);
259 if (NULL != eh->task)
260 GNUNET_SCHEDULER_cancel (eh->task);
261 GNUNET_free (eh);
262}
263
264
265/**
266 * Handle to a mapping created with upnpc.
267 */
268struct GNUNET_NAT_MiniHandle
269{
270
271 /**
272 * Function to call on mapping changes.
273 */
274 GNUNET_NAT_MiniAddressCallback ac;
275
276 /**
277 * Closure for @e ac.
278 */
279 void *ac_cls;
280
281 /**
282 * Command used to install the map.
283 */
284 struct GNUNET_OS_CommandHandle *map_cmd;
285
286 /**
287 * Command used to refresh our map information.
288 */
289 struct GNUNET_OS_CommandHandle *refresh_cmd;
290
291 /**
292 * Command used to remove the mapping.
293 */
294 struct GNUNET_OS_CommandHandle *unmap_cmd;
295
296 /**
297 * Our current external mapping (if we have one).
298 */
299 struct sockaddr_in current_addr;
300
301 /**
302 * We check the mapping periodically to see if it
303 * still works. This task triggers the check.
304 */
305 struct GNUNET_SCHEDULER_Task * refresh_task;
306
307 /**
308 * Are we mapping TCP or UDP?
309 */
310 int is_tcp;
311
312 /**
313 * Did we succeed with creating a mapping?
314 */
315 int did_map;
316
317 /**
318 * Did we find our mapping during refresh scan?
319 */
320 int found;
321
322 /**
323 * Which port are we mapping?
324 */
325 uint16_t port;
326
327};
328
329
330/**
331 * Run "upnpc -l" to find out if our mapping changed.
332 *
333 * @param cls the `struct GNUNET_NAT_MiniHandle`
334 */
335static void
336do_refresh (void *cls);
337
338
339/**
340 * Process the output from the "upnpc -r" command.
341 *
342 * @param cls the `struct GNUNET_NAT_MiniHandle`
343 * @param line line of output, NULL at the end
344 */
345static void
346process_map_output (void *cls, const char *line);
347
348
349/**
350 * Run "upnpc -r" to map our internal port.
351 *
352 * @param mini our handle
353 */
354static void
355run_upnpc_r (struct GNUNET_NAT_MiniHandle *mini)
356{
357 char pstr[6];
358
359 GNUNET_snprintf (pstr,
360 sizeof (pstr),
361 "%u",
362 (unsigned int) mini->port);
363 mini->map_cmd =
364 GNUNET_OS_command_run (&process_map_output, mini, MAP_TIMEOUT,
365 "upnpc", "upnpc", "-r", pstr,
366 mini->is_tcp ? "tcp" : "udp", NULL);
367 if (NULL == mini->map_cmd)
368 {
369 mini->ac (mini->ac_cls,
370 GNUNET_SYSERR,
371 NULL, 0,
372 GNUNET_NAT_ERROR_UPNPC_FAILED);
373 return;
374 }
375}
376
377
378/**
379 * Process the output from "upnpc -l" to see if our
380 * external mapping changed. If so, do the notifications.
381 *
382 * @param cls the `struct GNUNET_NAT_MiniHandle`
383 * @param line line of output, NULL at the end
384 */
385static void
386process_refresh_output (void *cls, const char *line)
387{
388 struct GNUNET_NAT_MiniHandle *mini = cls;
389 char pstr[9];
390 const char *s;
391 unsigned int nport;
392 struct in_addr exip;
393
394 if (NULL == line)
395 {
396 GNUNET_OS_command_stop (mini->refresh_cmd);
397 mini->refresh_cmd = NULL;
398 if (GNUNET_NO == mini->found)
399 {
400 /* mapping disappeared, try to re-create */
401 if (GNUNET_YES == mini->did_map)
402 {
403 mini->ac (mini->ac_cls,
404 GNUNET_NO,
405 (const struct sockaddr *) &mini->current_addr,
406 sizeof (mini->current_addr),
407 GNUNET_NAT_ERROR_SUCCESS);
408 mini->did_map = GNUNET_NO;
409 }
410 run_upnpc_r (mini);
411 }
412 return;
413 }
414 if (!mini->did_map)
415 return; /* never mapped, won't find our mapping anyway */
416
417 /* we're looking for output of the form:
418 * "ExternalIPAddress = 12.134.41.124" */
419
420 s = strstr (line, "ExternalIPAddress = ");
421 if (NULL != s)
422 {
423 s += strlen ("ExternalIPAddress = ");
424 if (1 != inet_pton (AF_INET, s, &exip))
425 return; /* skip */
426 if (exip.s_addr == mini->current_addr.sin_addr.s_addr)
427 return; /* no change */
428 /* update mapping */
429 mini->ac (mini->ac_cls, GNUNET_NO,
430 (const struct sockaddr *) &mini->current_addr,
431 sizeof (mini->current_addr),
432 GNUNET_NAT_ERROR_SUCCESS);
433 mini->current_addr.sin_addr = exip;
434 mini->ac (mini->ac_cls, GNUNET_YES,
435 (const struct sockaddr *) &mini->current_addr,
436 sizeof (mini->current_addr),
437 GNUNET_NAT_ERROR_SUCCESS);
438 return;
439 }
440 /*
441 * we're looking for output of the form:
442 *
443 * "0 TCP 3000->192.168.2.150:3000 'libminiupnpc' ''"
444 * "1 UDP 3001->192.168.2.150:3001 'libminiupnpc' ''"
445 *
446 * the pattern we look for is:
447 *
448 * "%s TCP PORT->STRING:OURPORT *" or
449 * "%s UDP PORT->STRING:OURPORT *"
450 */
451 GNUNET_snprintf (pstr, sizeof (pstr), ":%u ", mini->port);
452 if (NULL == (s = strstr (line, "->")))
453 return; /* skip */
454 if (NULL == strstr (s, pstr))
455 return; /* skip */
456 if (1 !=
457 SSCANF (line,
458 (mini->is_tcp) ? "%*u TCP %u->%*s:%*u %*s" :
459 "%*u UDP %u->%*s:%*u %*s", &nport))
460 return; /* skip */
461 mini->found = GNUNET_YES;
462 if (nport == ntohs (mini->current_addr.sin_port))
463 return; /* no change */
464
465 /* external port changed, update mapping */
466 mini->ac (mini->ac_cls, GNUNET_NO,
467 (const struct sockaddr *) &mini->current_addr,
468 sizeof (mini->current_addr),
469 GNUNET_NAT_ERROR_SUCCESS);
470 mini->current_addr.sin_port = htons ((uint16_t) nport);
471 mini->ac (mini->ac_cls, GNUNET_YES,
472 (const struct sockaddr *) &mini->current_addr,
473 sizeof (mini->current_addr),
474 GNUNET_NAT_ERROR_SUCCESS);
475}
476
477
478/**
479 * Run "upnpc -l" to find out if our mapping changed.
480 *
481 * @param cls the 'struct GNUNET_NAT_MiniHandle'
482 */
483static void
484do_refresh (void *cls)
485{
486 struct GNUNET_NAT_MiniHandle *mini = cls;
487 int ac;
488
489 mini->refresh_task =
490 GNUNET_SCHEDULER_add_delayed (MAP_REFRESH_FREQ,
491 &do_refresh, mini);
492 LOG (GNUNET_ERROR_TYPE_DEBUG,
493 "Running `upnpc' to check if our mapping still exists\n");
494 mini->found = GNUNET_NO;
495 ac = GNUNET_NO;
496 if (NULL != mini->map_cmd)
497 {
498 /* took way too long, abort it! */
499 GNUNET_OS_command_stop (mini->map_cmd);
500 mini->map_cmd = NULL;
501 ac = GNUNET_YES;
502 }
503 if (NULL != mini->refresh_cmd)
504 {
505 /* took way too long, abort it! */
506 GNUNET_OS_command_stop (mini->refresh_cmd);
507 mini->refresh_cmd = NULL;
508 ac = GNUNET_YES;
509 }
510 mini->refresh_cmd =
511 GNUNET_OS_command_run (&process_refresh_output, mini, MAP_TIMEOUT,
512 "upnpc", "upnpc", "-l", NULL);
513 if (GNUNET_YES == ac)
514 mini->ac (mini->ac_cls,
515 GNUNET_SYSERR,
516 NULL, 0,
517 GNUNET_NAT_ERROR_UPNPC_TIMEOUT);
518}
519
520
521/**
522 * Process the output from the 'upnpc -r' command.
523 *
524 * @param cls the `struct GNUNET_NAT_MiniHandle`
525 * @param line line of output, NULL at the end
526 */
527static void
528process_map_output (void *cls,
529 const char *line)
530{
531 struct GNUNET_NAT_MiniHandle *mini = cls;
532 const char *ipaddr;
533 char *ipa;
534 const char *pstr;
535 unsigned int port;
536
537 if (NULL == line)
538 {
539 GNUNET_OS_command_stop (mini->map_cmd);
540 mini->map_cmd = NULL;
541 if (GNUNET_YES != mini->did_map)
542 mini->ac (mini->ac_cls,
543 GNUNET_SYSERR,
544 NULL, 0,
545 GNUNET_NAT_ERROR_UPNPC_PORTMAP_FAILED);
546 if (NULL == mini->refresh_task)
547 mini->refresh_task =
548 GNUNET_SCHEDULER_add_delayed (MAP_REFRESH_FREQ,
549 &do_refresh,
550 mini);
551 return;
552 }
553 /*
554 * The upnpc output we're after looks like this:
555 *
556 * "external 87.123.42.204:3000 TCP is redirected to internal 192.168.2.150:3000"
557 */
558 if ((NULL == (ipaddr = strstr (line, " "))) ||
559 (NULL == (pstr = strstr (ipaddr, ":"))) ||
560 (1 != SSCANF (pstr + 1, "%u", &port)))
561 {
562 return; /* skip line */
563 }
564 ipa = GNUNET_strdup (ipaddr + 1);
565 strstr (ipa, ":")[0] = '\0';
566 if (1 != inet_pton (AF_INET, ipa, &mini->current_addr.sin_addr))
567 {
568 GNUNET_free (ipa);
569 return; /* skip line */
570 }
571 GNUNET_free (ipa);
572
573 mini->current_addr.sin_port = htons (port);
574 mini->current_addr.sin_family = AF_INET;
575#if HAVE_SOCKADDR_IN_SIN_LEN
576 mini->current_addr.sin_len = sizeof (struct sockaddr_in);
577#endif
578 mini->did_map = GNUNET_YES;
579 mini->ac (mini->ac_cls, GNUNET_YES,
580 (const struct sockaddr *) &mini->current_addr,
581 sizeof (mini->current_addr),
582 GNUNET_NAT_ERROR_SUCCESS);
583}
584
585
586/**
587 * Start mapping the given port using (mini)upnpc. This function
588 * should typically not be used directly (it is used within the
589 * general-purpose #GNUNET_NAT_register() code). However, it can be
590 * used if specifically UPnP-based NAT traversal is to be used or
591 * tested.
592 *
593 * @param port port to map
594 * @param is_tcp #GNUNET_YES to map TCP, #GNUNET_NO for UDP
595 * @param ac function to call with mapping result
596 * @param ac_cls closure for @a ac
597 * @return NULL on error (no 'upnpc' installed)
598 */
599struct GNUNET_NAT_MiniHandle *
600GNUNET_NAT_mini_map_start (uint16_t port,
601 int is_tcp,
602 GNUNET_NAT_MiniAddressCallback ac,
603 void *ac_cls)
604{
605 struct GNUNET_NAT_MiniHandle *ret;
606
607 if (GNUNET_SYSERR ==
608 GNUNET_OS_check_helper_binary ("upnpc", GNUNET_NO, NULL))
609 {
610 LOG (GNUNET_ERROR_TYPE_INFO,
611 _("`upnpc' command not found\n"));
612 ac (ac_cls,
613 GNUNET_SYSERR,
614 NULL, 0,
615 GNUNET_NAT_ERROR_UPNPC_NOT_FOUND);
616 return NULL;
617 }
618 LOG (GNUNET_ERROR_TYPE_DEBUG,
619 "Running `upnpc' to install mapping\n");
620 ret = GNUNET_new (struct GNUNET_NAT_MiniHandle);
621 ret->ac = ac;
622 ret->ac_cls = ac_cls;
623 ret->is_tcp = is_tcp;
624 ret->port = port;
625 ret->refresh_task =
626 GNUNET_SCHEDULER_add_delayed (MAP_REFRESH_FREQ,
627 &do_refresh,
628 ret);
629 run_upnpc_r (ret);
630 return ret;
631}
632
633
634/**
635 * Process output from our 'unmap' command.
636 *
637 * @param cls the `struct GNUNET_NAT_MiniHandle`
638 * @param line line of output, NULL at the end
639 */
640static void
641process_unmap_output (void *cls, const char *line)
642{
643 struct GNUNET_NAT_MiniHandle *mini = cls;
644
645 if (NULL == line)
646 {
647 LOG (GNUNET_ERROR_TYPE_DEBUG,
648 "UPnP unmap done\n");
649 GNUNET_OS_command_stop (mini->unmap_cmd);
650 mini->unmap_cmd = NULL;
651 GNUNET_free (mini);
652 return;
653 }
654 /* we don't really care about the output... */
655}
656
657
658/**
659 * Remove a mapping created with (mini)upnpc. Calling
660 * this function will give 'upnpc' 1s to remove tha mapping,
661 * so while this function is non-blocking, a task will be
662 * left with the scheduler for up to 1s past this call.
663 *
664 * @param mini the handle
665 */
666void
667GNUNET_NAT_mini_map_stop (struct GNUNET_NAT_MiniHandle *mini)
668{
669 char pstr[6];
670
671 if (NULL != mini->refresh_task)
672 {
673 GNUNET_SCHEDULER_cancel (mini->refresh_task);
674 mini->refresh_task = NULL;
675 }
676 if (NULL != mini->refresh_cmd)
677 {
678 GNUNET_OS_command_stop (mini->refresh_cmd);
679 mini->refresh_cmd = NULL;
680 }
681 if (NULL != mini->map_cmd)
682 {
683 GNUNET_OS_command_stop (mini->map_cmd);
684 mini->map_cmd = NULL;
685 }
686 if (GNUNET_NO == mini->did_map)
687 {
688 GNUNET_free (mini);
689 return;
690 }
691 mini->ac (mini->ac_cls, GNUNET_NO,
692 (const struct sockaddr *) &mini->current_addr,
693 sizeof (mini->current_addr),
694 GNUNET_NAT_ERROR_SUCCESS);
695 /* Note: oddly enough, deletion uses the external port whereas
696 * addition uses the internal port; this rarely matters since they
697 * often are the same, but it might... */
698 GNUNET_snprintf (pstr,
699 sizeof (pstr),
700 "%u",
701 (unsigned int) ntohs (mini->current_addr.sin_port));
702 LOG (GNUNET_ERROR_TYPE_DEBUG,
703 "Unmapping port %u with UPnP\n",
704 ntohs (mini->current_addr.sin_port));
705 mini->unmap_cmd =
706 GNUNET_OS_command_run (&process_unmap_output, mini, UNMAP_TIMEOUT,
707 "upnpc", "upnpc", "-d", pstr,
708 mini->is_tcp ? "tcp" : "udp", NULL);
709}
710
711
712/* end of nat_mini.c */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-25 05:16:04 +0000