1 /* $NetBSD: netstat.c,v 1.32 2022/10/28 05:27:17 ozaki-r Exp $ */ 2 3 /*- 4 * Copyright (c) 1980, 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)netstat.c 8.1 (Berkeley) 6/6/93"; 36 #endif 37 __RCSID("$NetBSD: netstat.c,v 1.32 2022/10/28 05:27:17 ozaki-r Exp $"); 38 #endif /* not lint */ 39 40 /* 41 * netstat 42 */ 43 #include <sys/param.h> 44 #include <sys/socketvar.h> 45 #include <sys/mbuf.h> 46 #include <sys/protosw.h> 47 48 #include <netinet/in.h> 49 50 #include <arpa/inet.h> 51 #include <net/route.h> 52 53 #include <netinet/in_systm.h> 54 #include <netinet/ip.h> 55 #include <netinet/in_pcb.h> 56 #include <netinet/ip_icmp.h> 57 #include <netinet/icmp_var.h> 58 #include <netinet/ip_var.h> 59 #ifdef INET6 60 #include <netinet/ip6.h> 61 #include <netinet6/in6_pcb.h> 62 #endif 63 #include <netinet/tcp.h> 64 #include <netinet/tcp_seq.h> 65 #define TCPSTATES 66 #include <netinet/tcp_fsm.h> 67 #include <netinet/tcp_timer.h> 68 #include <netinet/tcp_var.h> 69 #include <netinet/tcp_debug.h> 70 #include <netinet/udp.h> 71 #include <netinet/udp_var.h> 72 73 #include <netdb.h> 74 #include <stdlib.h> 75 #include <string.h> 76 77 #include "systat.h" 78 #include "extern.h" 79 80 static void fetchnetstat4(void *, int); 81 static void enter(struct inpcb *, struct socket *, int, const char *); 82 static const char *inetname(struct in_addr); 83 static void inetprint(struct in_addr *, int, const char *); 84 #ifdef INET6 85 static void fetchnetstat6(void *, int); 86 static void enter6(struct inpcb *, struct socket *, int, const char *); 87 static const char *inet6name(struct in6_addr *); 88 static void inet6print(struct in6_addr *, int, const char *); 89 #endif 90 91 #define streq(a,b) (strcmp(a,b)==0) 92 93 struct netinfo { 94 struct netinfo *ni_forw, *ni_prev; 95 int ni_family; 96 short ni_line; /* line on screen */ 97 short ni_seen; /* 0 when not present in list */ 98 short ni_flags; 99 #define NIF_LACHG 0x1 /* local address changed */ 100 #define NIF_FACHG 0x2 /* foreign address changed */ 101 short ni_state; /* tcp state */ 102 const char *ni_proto; /* protocol */ 103 struct in_addr ni_laddr; /* local address */ 104 #ifdef INET6 105 struct in6_addr ni_laddr6; /* local address */ 106 #endif 107 long ni_lport; /* local port */ 108 struct in_addr ni_faddr; /* foreign address */ 109 #ifdef INET6 110 struct in6_addr ni_faddr6; /* foreign address */ 111 #endif 112 long ni_fport; /* foreign port */ 113 long ni_rcvcc; /* rcv buffer character count */ 114 long ni_sndcc; /* snd buffer character count */ 115 }; 116 117 static struct { 118 struct netinfo *ni_forw, *ni_prev; 119 } netcb; 120 121 struct netinfo *nhead; 122 123 static int aflag = 0; 124 int nflag = 0; 125 static int lastrow = 1; 126 127 WINDOW * 128 opennetstat(void) 129 { 130 131 sethostent(1); 132 setnetent(1); 133 return (subwin(stdscr, -1, 0, 5, 0)); 134 } 135 136 void 137 closenetstat(WINDOW *w) 138 { 139 struct netinfo *p; 140 141 endhostent(); 142 endnetent(); 143 p = netcb.ni_forw; 144 while (p != nhead) { 145 if (p->ni_line != -1) 146 lastrow--; 147 p->ni_line = -1; 148 p = p->ni_forw; 149 } 150 if (w != NULL) { 151 wclear(w); 152 wrefresh(w); 153 delwin(w); 154 } 155 } 156 157 static struct nlist namelist[] = { 158 #define X_TCBTABLE 0 159 { .n_name = "_tcbtable" }, 160 #define X_UDBTABLE 1 161 { .n_name = "_udbtable" }, 162 { .n_name = NULL }, 163 }; 164 165 int 166 initnetstat(void) 167 { 168 int n; 169 170 n = kvm_nlist(kd, namelist); 171 if (n < 0) { 172 nlisterr(namelist); 173 return(0); 174 } else if (n == sizeof(namelist) / sizeof(namelist[0]) - 1) { 175 error("No symbols in namelist"); 176 return(0); 177 } 178 179 nhead = (struct netinfo *)(void *)&netcb; 180 181 netcb.ni_forw = netcb.ni_prev = nhead; 182 protos = TCP|UDP; 183 return(1); 184 } 185 186 void 187 fetchnetstat(void) 188 { 189 struct netinfo *p; 190 191 if (namelist[X_TCBTABLE].n_value == 0) 192 return; 193 for (p = netcb.ni_forw; p != nhead; p = p->ni_forw) 194 p->ni_seen = 0; 195 196 if ((protos & (TCP | UDP)) == 0) { 197 error("No protocols to display"); 198 return; 199 } 200 if ((protos & TCP) && namelist[X_TCBTABLE].n_type) 201 fetchnetstat4(NPTR(X_TCBTABLE), 1); 202 if ((protos & UDP) && namelist[X_UDBTABLE].n_type) 203 fetchnetstat4(NPTR(X_UDBTABLE), 0); 204 #ifdef INET6 205 if ((protos & TCP) && namelist[X_TCBTABLE].n_type) 206 fetchnetstat6(NPTR(X_TCBTABLE), 1); 207 if ((protos & UDP) && namelist[X_UDBTABLE].n_type) 208 fetchnetstat6(NPTR(X_UDBTABLE), 0); 209 #endif 210 } 211 212 static void 213 fetchnetstat4(void *off, int istcp) 214 { 215 struct inpcbtable pcbtable; 216 struct inpcb **pprev, *next; 217 struct netinfo *p; 218 struct inpcb *inpcbp, *inp; 219 struct in4pcb in4pcb; 220 struct socket sockb; 221 struct tcpcb tcpcb; 222 223 KREAD(off, &pcbtable, sizeof pcbtable); 224 pprev = &((struct inpcbtable *)off)->inpt_queue.tqh_first; 225 next = TAILQ_FIRST(&pcbtable.inpt_queue); 226 while (next != TAILQ_END(&pcbtable.inpt_queue)) { 227 inpcbp = (struct inpcb *)next; 228 KREAD(inpcbp, &in4pcb, sizeof (in4pcb)); 229 inp = (struct inpcb *)&in4pcb; 230 if (inp->inp_queue.tqe_prev != pprev) { 231 for (p = netcb.ni_forw; p != nhead; p = p->ni_forw) 232 p->ni_seen = 1; 233 error("Kernel state in transition"); 234 return; 235 } 236 pprev = &next->inp_queue.tqe_next; 237 next = inp->inp_queue.tqe_next; 238 239 if (inp->inp_af != AF_INET) 240 continue; 241 if (!aflag && inet_lnaof(in4p_laddr(inp)) == INADDR_ANY) 242 continue; 243 if (nhosts && !checkhost(inp)) 244 continue; 245 if (nports && !checkport(inp)) 246 continue; 247 KREAD(inp->inp_socket, &sockb, sizeof (sockb)); 248 if (istcp) { 249 KREAD(inp->inp_ppcb, &tcpcb, sizeof (tcpcb)); 250 enter(inp, &sockb, tcpcb.t_state, "tcp"); 251 } else 252 enter(inp, &sockb, 0, "udp"); 253 } 254 } 255 256 #ifdef INET6 257 static void 258 fetchnetstat6(void *off, int istcp) 259 { 260 struct inpcbtable pcbtable; 261 struct inpcb **pprev, *next; 262 struct netinfo *p; 263 struct socket sockb; 264 struct tcpcb tcpcb; 265 struct inpcb *inp, *inpcbp; 266 struct in6pcb in6pcb; 267 268 KREAD(off, &pcbtable, sizeof pcbtable); 269 pprev = &((struct inpcbtable *)off)->inpt_queue.tqh_first; 270 next = TAILQ_FIRST(&pcbtable.inpt_queue); 271 while (next != TAILQ_END(&pcbtable.inpt_queue)) { 272 inpcbp = (struct inpcb *)next; 273 KREAD(inpcbp, &in6pcb, sizeof (in6pcb)); 274 inp = (struct inpcb *)&in6pcb; 275 if (inp->inp_queue.tqe_prev != pprev) { 276 for (p = netcb.ni_forw; p != nhead; p = p->ni_forw) 277 p->ni_seen = 1; 278 error("Kernel state in transition"); 279 return; 280 } 281 pprev = &next->inp_queue.tqe_next; 282 next = inp->inp_queue.tqe_next; 283 284 if (inp->inp_af != AF_INET6) 285 continue; 286 if (!aflag && IN6_IS_ADDR_UNSPECIFIED(&in6p_laddr(inp))) 287 continue; 288 if (nhosts && !checkhost(inp)) 289 continue; 290 if (nports && !checkport(inp)) 291 continue; 292 KREAD(inp->inp_socket, &sockb, sizeof (sockb)); 293 if (istcp) { 294 KREAD(inp->inp_ppcb, &tcpcb, sizeof (tcpcb)); 295 enter6(inp, &sockb, tcpcb.t_state, "tcp"); 296 } else 297 enter6(inp, &sockb, 0, "udp"); 298 } 299 } 300 #endif /*INET6*/ 301 302 static void 303 enter(struct inpcb *inp, struct socket *so, int state, const char *proto) 304 { 305 struct netinfo *p; 306 307 /* 308 * Only take exact matches, any sockets with 309 * previously unbound addresses will be deleted 310 * below in the display routine because they 311 * will appear as ``not seen'' in the kernel 312 * data structures. 313 */ 314 for (p = netcb.ni_forw; p != nhead; p = p->ni_forw) { 315 if (p->ni_family != AF_INET) 316 continue; 317 if (!streq(proto, p->ni_proto)) 318 continue; 319 if (p->ni_lport != inp->inp_lport || 320 p->ni_laddr.s_addr != in4p_laddr(inp).s_addr) 321 continue; 322 if (p->ni_faddr.s_addr == in4p_faddr(inp).s_addr && 323 p->ni_fport == inp->inp_fport) 324 break; 325 } 326 if (p == nhead) { 327 if ((p = malloc(sizeof(*p))) == NULL) { 328 error("Out of memory"); 329 return; 330 } 331 p->ni_prev = nhead; 332 p->ni_forw = netcb.ni_forw; 333 netcb.ni_forw->ni_prev = p; 334 netcb.ni_forw = p; 335 p->ni_line = -1; 336 p->ni_laddr = in4p_laddr(inp); 337 p->ni_lport = inp->inp_lport; 338 p->ni_faddr = in4p_faddr(inp); 339 p->ni_fport = inp->inp_fport; 340 p->ni_proto = proto; 341 p->ni_flags = NIF_LACHG | NIF_FACHG; 342 p->ni_family = AF_INET; 343 } 344 p->ni_rcvcc = so->so_rcv.sb_cc; 345 p->ni_sndcc = so->so_snd.sb_cc; 346 p->ni_state = state; 347 p->ni_seen = 1; 348 } 349 350 #ifdef INET6 351 static void 352 enter6(struct inpcb *inp, struct socket *so, int state, const char *proto) 353 { 354 struct netinfo *p; 355 356 /* 357 * Only take exact matches, any sockets with 358 * previously unbound addresses will be deleted 359 * below in the display routine because they 360 * will appear as ``not seen'' in the kernel 361 * data structures. 362 */ 363 for (p = netcb.ni_forw; p != nhead; p = p->ni_forw) { 364 if (p->ni_family != AF_INET6) 365 continue; 366 if (!streq(proto, p->ni_proto)) 367 continue; 368 if (p->ni_lport != inp->inp_lport || 369 !IN6_ARE_ADDR_EQUAL(&p->ni_laddr6, &in6p_laddr(inp))) 370 continue; 371 if (IN6_ARE_ADDR_EQUAL(&p->ni_faddr6, &in6p_faddr(inp)) && 372 p->ni_fport == inp->inp_fport) 373 break; 374 } 375 if (p == nhead) { 376 if ((p = malloc(sizeof(*p))) == NULL) { 377 error("Out of memory"); 378 return; 379 } 380 p->ni_prev = nhead; 381 p->ni_forw = netcb.ni_forw; 382 netcb.ni_forw->ni_prev = p; 383 netcb.ni_forw = p; 384 p->ni_line = -1; 385 p->ni_laddr6 = in6p_laddr(inp); 386 p->ni_lport = inp->inp_lport; 387 p->ni_faddr6 = in6p_faddr(inp); 388 p->ni_fport = inp->inp_fport; 389 p->ni_proto = proto; 390 p->ni_flags = NIF_LACHG | NIF_FACHG; 391 p->ni_family = AF_INET6; 392 } 393 p->ni_rcvcc = so->so_rcv.sb_cc; 394 p->ni_sndcc = so->so_snd.sb_cc; 395 p->ni_state = state; 396 p->ni_seen = 1; 397 } 398 #endif 399 400 /* column locations */ 401 #define LADDR 0 402 #define FADDR LADDR+23 403 #define PROTO FADDR+23 404 #define RCVCC PROTO+6 405 #define SNDCC RCVCC+7 406 #define STATE SNDCC+7 407 408 void 409 labelnetstat(void) 410 { 411 struct netinfo *p; 412 413 if (namelist[X_TCBTABLE].n_type == 0) 414 return; 415 wmove(wnd, 0, 0); wclrtobot(wnd); 416 mvwaddstr(wnd, 0, LADDR, "Local Address"); 417 mvwaddstr(wnd, 0, FADDR, "Foreign Address"); 418 mvwaddstr(wnd, 0, PROTO, "Proto"); 419 mvwaddstr(wnd, 0, RCVCC, "Recv-Q"); 420 mvwaddstr(wnd, 0, SNDCC, "Send-Q"); 421 mvwaddstr(wnd, 0, STATE, "(state)"); 422 423 for (p = netcb.ni_forw; p != nhead; p = p->ni_forw) { 424 if (p->ni_line == -1) 425 continue; 426 p->ni_flags |= NIF_LACHG | NIF_FACHG; 427 } 428 } 429 430 void 431 shownetstat(void) 432 { 433 struct netinfo *p, *q; 434 435 /* 436 * First, delete any connections that have gone 437 * away and adjust the position of connections 438 * below to reflect the deleted line. 439 */ 440 p = netcb.ni_forw; 441 while (p != nhead) { 442 if (p->ni_line == -1 || p->ni_seen) { 443 p = p->ni_forw; 444 continue; 445 } 446 wmove(wnd, p->ni_line, 0); 447 wdeleteln(wnd); 448 for (q = netcb.ni_forw; q != nhead; q = q->ni_forw) 449 if (q != p && q->ni_line > p->ni_line) { 450 q->ni_line--; 451 /* this shouldn't be necessary */ 452 q->ni_flags |= NIF_LACHG | NIF_FACHG; 453 } 454 lastrow--; 455 q = p->ni_forw; 456 p->ni_prev->ni_forw = p->ni_forw; 457 p->ni_forw->ni_prev = p->ni_prev; 458 free(p); 459 p = q; 460 } 461 /* 462 * Update existing connections and add new ones. 463 */ 464 for (p = netcb.ni_forw; p != nhead; p = p->ni_forw) { 465 if (p->ni_line == -1) { 466 /* 467 * Add a new entry if possible. 468 */ 469 if (lastrow > getmaxy(wnd)) 470 continue; 471 p->ni_line = lastrow++; 472 p->ni_flags |= NIF_LACHG | NIF_FACHG; 473 } 474 if (p->ni_flags & NIF_LACHG) { 475 wmove(wnd, p->ni_line, LADDR); 476 switch (p->ni_family) { 477 case AF_INET: 478 inetprint(&p->ni_laddr, p->ni_lport, 479 p->ni_proto); 480 break; 481 #ifdef INET6 482 case AF_INET6: 483 inet6print(&p->ni_laddr6, p->ni_lport, 484 p->ni_proto); 485 break; 486 #endif 487 } 488 p->ni_flags &= ~NIF_LACHG; 489 } 490 if (p->ni_flags & NIF_FACHG) { 491 wmove(wnd, p->ni_line, FADDR); 492 switch (p->ni_family) { 493 case AF_INET: 494 inetprint(&p->ni_faddr, p->ni_fport, 495 p->ni_proto); 496 break; 497 #ifdef INET6 498 case AF_INET6: 499 inet6print(&p->ni_faddr6, p->ni_fport, 500 p->ni_proto); 501 break; 502 #endif 503 } 504 p->ni_flags &= ~NIF_FACHG; 505 } 506 mvwaddstr(wnd, p->ni_line, PROTO, p->ni_proto); 507 #ifdef INET6 508 if (p->ni_family == AF_INET6) 509 waddstr(wnd, "6"); 510 #endif 511 mvwprintw(wnd, p->ni_line, RCVCC, "%6ld", p->ni_rcvcc); 512 mvwprintw(wnd, p->ni_line, SNDCC, "%6ld", p->ni_sndcc); 513 if (streq(p->ni_proto, "tcp")) { 514 if (p->ni_state < 0 || p->ni_state >= TCP_NSTATES) 515 mvwprintw(wnd, p->ni_line, STATE, "%d", 516 p->ni_state); 517 else 518 mvwaddstr(wnd, p->ni_line, STATE, 519 tcpstates[p->ni_state]); 520 } 521 wclrtoeol(wnd); 522 } 523 if (lastrow < getmaxy(wnd)) { 524 wmove(wnd, lastrow, 0); wclrtobot(wnd); 525 wmove(wnd, getmaxy(wnd), 0); wdeleteln(wnd); /* XXX */ 526 } 527 } 528 529 /* 530 * Pretty print an Internet address (net address + port). 531 * If the nflag was specified, use numbers instead of names. 532 */ 533 static void 534 inetprint(struct in_addr *in, int port, const char *proto) 535 { 536 struct servent *sp = 0; 537 char line[80], *cp; 538 539 (void)snprintf(line, sizeof line, "%.*s.", 16, inetname(*in)); 540 cp = strchr(line, '\0'); 541 if (!nflag && port) 542 sp = getservbyport(port, proto); 543 if (sp || port == 0) 544 (void)snprintf(cp, line + sizeof line - cp, "%.8s", 545 sp ? sp->s_name : "*"); 546 else 547 (void)snprintf(cp, line + sizeof line - cp, "%d", 548 ntohs((u_short)port)); 549 /* pad to full column to clear any garbage */ 550 cp = strchr(line, '\0'); 551 while (cp - line < 22) 552 *cp++ = ' '; 553 *cp = '\0'; 554 waddstr(wnd, line); 555 } 556 557 #ifdef INET6 558 static void 559 inet6print(struct in6_addr *in6, int port, const char *proto) 560 { 561 struct servent *sp = 0; 562 char line[80], *cp; 563 564 (void)snprintf(line, sizeof line, "%.*s.", 16, inet6name(in6)); 565 cp = strchr(line, '\0'); 566 if (!nflag && port) 567 sp = getservbyport(port, proto); 568 if (sp || port == 0) 569 (void)snprintf(cp, line + sizeof line - cp, "%.8s", 570 sp ? sp->s_name : "*"); 571 else 572 (void)snprintf(cp, line + sizeof line - cp, "%d", 573 ntohs((u_short)port)); 574 /* pad to full column to clear any garbage */ 575 cp = strchr(line, '\0'); 576 while (cp - line < 22) 577 *cp++ = ' '; 578 *cp = '\0'; 579 waddstr(wnd, line); 580 } 581 #endif 582 583 /* 584 * Construct an Internet address representation. 585 * If the nflag has been supplied, give 586 * numeric value, otherwise try for symbolic name. 587 */ 588 static const char * 589 inetname(struct in_addr in) 590 { 591 char *cp = 0; 592 static char line[50]; 593 struct hostent *hp; 594 struct netent *np; 595 596 if (!nflag && in.s_addr != INADDR_ANY) { 597 int net = inet_netof(in); 598 int lna = inet_lnaof(in); 599 600 if (lna == INADDR_ANY) { 601 np = getnetbyaddr(net, AF_INET); 602 if (np) 603 cp = np->n_name; 604 } 605 if (cp == 0) { 606 hp = gethostbyaddr((char *)&in, sizeof (in), AF_INET); 607 if (hp) 608 cp = hp->h_name; 609 } 610 } 611 if (in.s_addr == INADDR_ANY) 612 strlcpy(line, "*", sizeof(line)); 613 else if (cp) 614 strlcpy(line, cp, sizeof(line)); 615 else { 616 in.s_addr = ntohl(in.s_addr); 617 #define C(x) ((x) & 0xff) 618 (void)snprintf(line, sizeof line, "%u.%u.%u.%u", 619 C(in.s_addr >> 24), C(in.s_addr >> 16), 620 C(in.s_addr >> 8), C(in.s_addr)); 621 #undef C 622 } 623 return (line); 624 } 625 626 #ifdef INET6 627 static const char * 628 inet6name(struct in6_addr *in6) 629 { 630 static char line[NI_MAXHOST]; 631 struct sockaddr_in6 sin6; 632 int flags; 633 634 if (nflag) 635 flags = NI_NUMERICHOST; 636 else 637 flags = 0; 638 if (IN6_IS_ADDR_UNSPECIFIED(in6)) 639 return "*"; 640 memset(&sin6, 0, sizeof(sin6)); 641 sin6.sin6_family = AF_INET6; 642 sin6.sin6_len = sizeof(struct sockaddr_in6); 643 sin6.sin6_addr = *in6; 644 if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, 645 line, sizeof(line), NULL, 0, flags) == 0) 646 return line; 647 return "?"; 648 } 649 #endif 650 651 /* please note: there are also some netstat commands in netcmds.c */ 652 653 void 654 netstat_all(char *args) 655 { 656 aflag = !aflag; 657 fetchnetstat(); 658 shownetstat(); 659 refresh(); 660 } 661 662 void 663 netstat_names(char *args) 664 { 665 666 if (nflag == 0) 667 return; 668 669 nflag = 0; 670 wclear(wnd); 671 labelnetstat(); 672 shownetstat(); 673 refresh(); 674 } 675 676 void 677 netstat_numbers(char *args) 678 { 679 680 if (nflag != 0) 681 return; 682 683 nflag = 1; 684 wclear(wnd); 685 labelnetstat(); 686 shownetstat(); 687 refresh(); 688 } 689
Indexes created Sat Sep 20 22:09:52 GMT 2025