summaryrefslogtreecommitdiff
path: root/sshd.c
diff options
context:
space:
mode:
Diffstat (limited to 'sshd.c')
-rw-r--r--sshd.c249
1 files changed, 168 insertions, 81 deletions
diff --git a/sshd.c b/sshd.c
index 0cf664087..316723a83 100644
--- a/sshd.c
+++ b/sshd.c
@@ -11,7 +11,7 @@
11 */ 11 */
12 12
13#include "includes.h" 13#include "includes.h"
14RCSID("$Id: sshd.c,v 1.49 1999/12/30 04:08:44 damien Exp $"); 14RCSID("$Id: sshd.c,v 1.50 2000/01/14 04:45:52 damien Exp $");
15 15
16#include "xmalloc.h" 16#include "xmalloc.h"
17#include "rsa.h" 17#include "rsa.h"
@@ -45,6 +45,12 @@ ServerOptions options;
45/* Name of the server configuration file. */ 45/* Name of the server configuration file. */
46char *config_file_name = SERVER_CONFIG_FILE; 46char *config_file_name = SERVER_CONFIG_FILE;
47 47
48/*
49 * Flag indicating whether IPv4 or IPv6. This can be set on the command line.
50 * Default value is AF_UNSPEC means both IPv4 and IPv6.
51 */
52int IPv4or6 = AF_UNSPEC;
53
48/* 54/*
49 * Debug mode flag. This can be set on the command line. If debug 55 * Debug mode flag. This can be set on the command line. If debug
50 * mode is enabled, extra debugging output will be sent to the system 56 * mode is enabled, extra debugging output will be sent to the system
@@ -66,10 +72,12 @@ char *av0;
66char **saved_argv; 72char **saved_argv;
67 73
68/* 74/*
69 * This is set to the socket that the server is listening; this is used in 75 * The sockets that the server is listening; this is used in the SIGHUP
70 * the SIGHUP signal handler. 76 * signal handler.
71 */ 77 */
72int listen_sock; 78#define MAX_LISTEN_SOCKS 16
79int listen_socks[MAX_LISTEN_SOCKS];
80int num_listen_socks = 0;
73 81
74/* 82/*
75 * the client's version string, passed by sshd2 in compat mode. if != NULL, 83 * the client's version string, passed by sshd2 in compat mode. if != NULL,
@@ -136,6 +144,18 @@ void do_child(const char *command, struct passwd * pw, const char *term,
136 const char *auth_data, const char *ttyname); 144 const char *auth_data, const char *ttyname);
137 145
138/* 146/*
147 * Close all listening sockets
148 */
149void
150close_listen_socks(void)
151{
152 int i;
153 for (i = 0; i < num_listen_socks; i++)
154 close(listen_socks[i]);
155 num_listen_socks = -1;
156}
157
158/*
139 * Signal handler for SIGHUP. Sshd execs itself when it receives SIGHUP; 159 * Signal handler for SIGHUP. Sshd execs itself when it receives SIGHUP;
140 * the effect is to reread the configuration file (and to regenerate 160 * the effect is to reread the configuration file (and to regenerate
141 * the server key). 161 * the server key).
@@ -155,7 +175,7 @@ void
155sighup_restart() 175sighup_restart()
156{ 176{
157 log("Received SIGHUP; restarting."); 177 log("Received SIGHUP; restarting.");
158 close(listen_sock); 178 close_listen_socks();
159 execv(saved_argv[0], saved_argv); 179 execv(saved_argv[0], saved_argv);
160 log("RESTART FAILED: av0='%s', error: %s.", av0, strerror(errno)); 180 log("RESTART FAILED: av0='%s', error: %s.", av0, strerror(errno));
161 exit(1); 181 exit(1);
@@ -170,7 +190,7 @@ void
170sigterm_handler(int sig) 190sigterm_handler(int sig)
171{ 191{
172 log("Received signal %d; terminating.", sig); 192 log("Received signal %d; terminating.", sig);
173 close(listen_sock); 193 close_listen_socks();
174 exit(255); 194 exit(255);
175} 195}
176 196
@@ -277,11 +297,12 @@ main(int ac, char **av)
277{ 297{
278 extern char *optarg; 298 extern char *optarg;
279 extern int optind; 299 extern int optind;
280 int opt, aux, sock_in, sock_out, newsock, i, pid, on = 1; 300 int opt, sock_in = 0, sock_out = 0, newsock, i, fdsetsz, pid, on = 1;
301 socklen_t fromlen;
281 int remote_major, remote_minor; 302 int remote_major, remote_minor;
282 int silentrsa = 0; 303 int silentrsa = 0;
283 struct pollfd fds; 304 fd_set *fdset;
284 struct sockaddr_in sin; 305 struct sockaddr_storage from;
285 char buf[100]; /* Must not be larger than remote_version. */ 306 char buf[100]; /* Must not be larger than remote_version. */
286 char remote_version[100]; /* Must be at least as big as buf. */ 307 char remote_version[100]; /* Must be at least as big as buf. */
287 const char *remote_ip; 308 const char *remote_ip;
@@ -289,6 +310,9 @@ main(int ac, char **av)
289 char *comment; 310 char *comment;
290 FILE *f; 311 FILE *f;
291 struct linger linger; 312 struct linger linger;
313 struct addrinfo *ai;
314 char ntop[NI_MAXHOST], strport[NI_MAXSERV];
315 int listen_sock, maxfd;
292 316
293 /* Save argv[0]. */ 317 /* Save argv[0]. */
294 saved_argv = av; 318 saved_argv = av;
@@ -301,8 +325,14 @@ main(int ac, char **av)
301 initialize_server_options(&options); 325 initialize_server_options(&options);
302 326
303 /* Parse command-line arguments. */ 327 /* Parse command-line arguments. */
304 while ((opt = getopt(ac, av, "f:p:b:k:h:g:V:diqQ")) != EOF) { 328 while ((opt = getopt(ac, av, "f:p:b:k:h:g:V:diqQ46")) != EOF) {
305 switch (opt) { 329 switch (opt) {
330 case '4':
331 IPv4or6 = AF_INET;
332 break;
333 case '6':
334 IPv4or6 = AF_INET6;
335 break;
306 case 'f': 336 case 'f':
307 config_file_name = optarg; 337 config_file_name = optarg;
308 break; 338 break;
@@ -323,7 +353,10 @@ main(int ac, char **av)
323 options.server_key_bits = atoi(optarg); 353 options.server_key_bits = atoi(optarg);
324 break; 354 break;
325 case 'p': 355 case 'p':
326 options.port = atoi(optarg); 356 options.ports_from_cmdline = 1;
357 if (options.num_ports >= MAX_PORTS)
358 fatal("too many ports.\n");
359 options.ports[options.num_ports++] = atoi(optarg);
327 break; 360 break;
328 case 'g': 361 case 'g':
329 options.login_grace_time = atoi(optarg); 362 options.login_grace_time = atoi(optarg);
@@ -356,11 +389,22 @@ main(int ac, char **av)
356 fprintf(stderr, " -g seconds Grace period for authentication (default: 300)\n"); 389 fprintf(stderr, " -g seconds Grace period for authentication (default: 300)\n");
357 fprintf(stderr, " -b bits Size of server RSA key (default: 768 bits)\n"); 390 fprintf(stderr, " -b bits Size of server RSA key (default: 768 bits)\n");
358 fprintf(stderr, " -h file File from which to read host key (default: %s)\n", 391 fprintf(stderr, " -h file File from which to read host key (default: %s)\n",
359 HOST_KEY_FILE); 392 HOST_KEY_FILE);
393 fprintf(stderr, " -4 Use IPv4 only\n");
394 fprintf(stderr, " -6 Use IPv6 only\n");
360 exit(1); 395 exit(1);
361 } 396 }
362 } 397 }
363 398
399 /*
400 * Force logging to stderr until we have loaded the private host
401 * key (unless started from inetd)
402 */
403 log_init(av0,
404 options.log_level == -1 ? SYSLOG_LEVEL_INFO : options.log_level,
405 options.log_facility == -1 ? SYSLOG_FACILITY_AUTH : options.log_facility,
406 !inetd_flag);
407
364 /* check if RSA support exists */ 408 /* check if RSA support exists */
365 if (rsa_alive() == 0) { 409 if (rsa_alive() == 0) {
366 if (silentrsa == 0) 410 if (silentrsa == 0)
@@ -380,18 +424,11 @@ main(int ac, char **av)
380 fprintf(stderr, "Bad server key size.\n"); 424 fprintf(stderr, "Bad server key size.\n");
381 exit(1); 425 exit(1);
382 } 426 }
383 if (options.port < 1 || options.port > 65535) {
384 fprintf(stderr, "Bad port number.\n");
385 exit(1);
386 }
387 /* Check that there are no remaining arguments. */ 427 /* Check that there are no remaining arguments. */
388 if (optind < ac) { 428 if (optind < ac) {
389 fprintf(stderr, "Extra argument %s.\n", av[optind]); 429 fprintf(stderr, "Extra argument %s.\n", av[optind]);
390 exit(1); 430 exit(1);
391 } 431 }
392 /* Force logging to stderr while loading the private host key
393 unless started from inetd */
394 log_init(av0, options.log_level, options.log_facility, !inetd_flag);
395 432
396 debug("sshd version %.100s", SSH_VERSION); 433 debug("sshd version %.100s", SSH_VERSION);
397 434
@@ -480,32 +517,66 @@ main(int ac, char **av)
480 arc4random_stir(); 517 arc4random_stir();
481 log("RSA key generation complete."); 518 log("RSA key generation complete.");
482 } else { 519 } else {
483 /* Create socket for listening. */ 520 for (ai = options.listen_addrs; ai; ai = ai->ai_next) {
484 listen_sock = socket(AF_INET, SOCK_STREAM, 0); 521 if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6)
485 if (listen_sock < 0) 522 continue;
486 fatal("socket: %.100s", strerror(errno)); 523 if (num_listen_socks >= MAX_LISTEN_SOCKS)
487 524 fatal("Too many listen sockets. "
488 /* Set socket options. We try to make the port reusable 525 "Enlarge MAX_LISTEN_SOCKS");
489 and have it close as fast as possible without waiting 526 if (getnameinfo(ai->ai_addr, ai->ai_addrlen,
490 in unnecessary wait states on close. */ 527 ntop, sizeof(ntop), strport, sizeof(strport),
491 setsockopt(listen_sock, SOL_SOCKET, SO_REUSEADDR, (void *) &on, 528 NI_NUMERICHOST|NI_NUMERICSERV) != 0) {
492 sizeof(on)); 529 error("getnameinfo failed");
493 linger.l_onoff = 1; 530 continue;
494 linger.l_linger = 5; 531 }
495 setsockopt(listen_sock, SOL_SOCKET, SO_LINGER, (void *) &linger, 532 /* Create socket for listening. */
496 sizeof(linger)); 533 listen_sock = socket(ai->ai_family, SOCK_STREAM, 0);
497 534 if (listen_sock < 0) {
498 memset(&sin, 0, sizeof(sin)); 535 /* kernel may not support ipv6 */
499 sin.sin_family = AF_INET; 536 verbose("socket: %.100s", strerror(errno));
500 sin.sin_addr = options.listen_addr; 537 continue;
501 sin.sin_port = htons(options.port); 538 }
502 539 if (fcntl(listen_sock, F_SETFL, O_NONBLOCK) < 0) {
503 if (bind(listen_sock, (struct sockaddr *) & sin, sizeof(sin)) < 0) { 540 error("listen_sock O_NONBLOCK: %s", strerror(errno));
504 error("bind: %.100s", strerror(errno)); 541 close(listen_sock);
505 shutdown(listen_sock, SHUT_RDWR); 542 continue;
506 close(listen_sock); 543 }
507 fatal("Bind to port %d failed.", options.port); 544 /*
545 * Set socket options. We try to make the port
546 * reusable and have it close as fast as possible
547 * without waiting in unnecessary wait states on
548 * close.
549 */
550 setsockopt(listen_sock, SOL_SOCKET, SO_REUSEADDR,
551 (void *) &on, sizeof(on));
552 linger.l_onoff = 1;
553 linger.l_linger = 5;
554 setsockopt(listen_sock, SOL_SOCKET, SO_LINGER,
555 (void *) &linger, sizeof(linger));
556
557 debug("Bind to port %s on %s.", strport, ntop);
558
559 /* Bind the socket to the desired port. */
560 if (bind(listen_sock, ai->ai_addr, ai->ai_addrlen) < 0) {
561 error("Bind to port %s on %s failed: %.200s.",
562 strport, ntop, strerror(errno));
563 close(listen_sock);
564 continue;
565 }
566 listen_socks[num_listen_socks] = listen_sock;
567 num_listen_socks++;
568
569 /* Start listening on the port. */
570 log("Server listening on %s port %s.", ntop, strport);
571 if (listen(listen_sock, 5) < 0)
572 fatal("listen: %.100s", strerror(errno));
573
508 } 574 }
575 freeaddrinfo(options.listen_addrs);
576
577 if (!num_listen_socks)
578 fatal("Cannot bind any address.");
579
509 if (!debug_flag) { 580 if (!debug_flag) {
510 /* 581 /*
511 * Record our pid in /etc/sshd_pid to make it easier 582 * Record our pid in /etc/sshd_pid to make it easier
@@ -521,10 +592,6 @@ main(int ac, char **av)
521 } 592 }
522 } 593 }
523 594
524 log("Server listening on port %d.", options.port);
525 if (listen(listen_sock, 5) < 0)
526 fatal("listen: %.100s", strerror(errno));
527
528 public_key = RSA_new(); 595 public_key = RSA_new();
529 sensitive_data.private_key = RSA_new(); 596 sensitive_data.private_key = RSA_new();
530 597
@@ -546,6 +613,14 @@ main(int ac, char **av)
546 /* Arrange SIGCHLD to be caught. */ 613 /* Arrange SIGCHLD to be caught. */
547 signal(SIGCHLD, main_sigchld_handler); 614 signal(SIGCHLD, main_sigchld_handler);
548 615
616 /* setup fd set for listen */
617 maxfd = 0;
618 for (i = 0; i < num_listen_socks; i++)
619 if (listen_socks[i] > maxfd)
620 maxfd = listen_socks[i];
621 fdsetsz = howmany(maxfd, NFDBITS) * sizeof(fd_mask);
622 fdset = (fd_set *)xmalloc(fdsetsz);
623
549 /* 624 /*
550 * Stay listening for connections until the system crashes or 625 * Stay listening for connections until the system crashes or
551 * the daemon is killed with a signal. 626 * the daemon is killed with a signal.
@@ -553,26 +628,28 @@ main(int ac, char **av)
553 for (;;) { 628 for (;;) {
554 if (received_sighup) 629 if (received_sighup)
555 sighup_restart(); 630 sighup_restart();
556 /* Wait in poll until there is a connection. */ 631 /* Wait in select until there is a connection. */
557 memset(&fds, 0, sizeof(fds)); 632 memset(fdset, 0, fdsetsz);
558 fds.fd = listen_sock; 633 for (i = 0; i < num_listen_socks; i++)
559 fds.events = POLLIN; 634 FD_SET(listen_socks[i], fdset);
560 if (poll(&fds, 1, -1) == -1) { 635 if (select(maxfd + 1, fdset, NULL, NULL, NULL) < 0) {
561 if (errno == EINTR) 636 if (errno != EINTR)
562 continue; 637 error("select: %.100s", strerror(errno));
563 fatal("poll: %.100s", strerror(errno));
564 /*NOTREACHED*/
565 }
566 if (fds.revents == 0)
567 continue; 638 continue;
568 aux = sizeof(sin); 639 }
569 newsock = accept(listen_sock, (struct sockaddr *) & sin, &aux); 640 for (i = 0; i < num_listen_socks; i++) {
570 if (received_sighup) 641 if (!FD_ISSET(listen_socks[i], fdset))
571 sighup_restart();
572 if (newsock < 0) {
573 if (errno == EINTR)
574 continue; 642 continue;
575 error("accept: %.100s", strerror(errno)); 643 fromlen = sizeof(from);
644 newsock = accept(listen_socks[i], (struct sockaddr *)&from,
645 &fromlen);
646 if (newsock < 0) {
647 if (errno != EINTR && errno != EWOULDBLOCK)
648 error("accept: %.100s", strerror(errno));
649 continue;
650 }
651 if (fcntl(newsock, F_SETFL, 0) < 0) {
652 error("newsock del O_NONBLOCK: %s", strerror(errno));
576 continue; 653 continue;
577 } 654 }
578 /* 655 /*
@@ -586,7 +663,7 @@ main(int ac, char **av)
586 * connection without forking. 663 * connection without forking.
587 */ 664 */
588 debug("Server will not fork when running in debugging mode."); 665 debug("Server will not fork when running in debugging mode.");
589 close(listen_sock); 666 close_listen_socks();
590 sock_in = newsock; 667 sock_in = newsock;
591 sock_out = newsock; 668 sock_out = newsock;
592 pid = getpid(); 669 pid = getpid();
@@ -603,7 +680,7 @@ main(int ac, char **av)
603 * accepted socket. Reinitialize logging (since our pid has 680 * accepted socket. Reinitialize logging (since our pid has
604 * changed). We break out of the loop to handle the connection. 681 * changed). We break out of the loop to handle the connection.
605 */ 682 */
606 close(listen_sock); 683 close_listen_socks();
607 sock_in = newsock; 684 sock_in = newsock;
608 sock_out = newsock; 685 sock_out = newsock;
609 log_init(av0, options.log_level, options.log_facility, log_stderr); 686 log_init(av0, options.log_level, options.log_facility, log_stderr);
@@ -624,6 +701,10 @@ main(int ac, char **av)
624 701
625 /* Close the new socket (the child is now taking care of it). */ 702 /* Close the new socket (the child is now taking care of it). */
626 close(newsock); 703 close(newsock);
704 } /* for (i = 0; i < num_listen_socks; i++) */
705 /* child process check (or debug mode) */
706 if (num_listen_socks < 0)
707 break;
627 } 708 }
628 } 709 }
629 710
@@ -662,6 +743,7 @@ main(int ac, char **av)
662 743
663 /* Check whether logins are denied from this host. */ 744 /* Check whether logins are denied from this host. */
664#ifdef LIBWRAP 745#ifdef LIBWRAP
746 /* XXX LIBWRAP noes not know about IPv6 */
665 { 747 {
666 struct request_info req; 748 struct request_info req;
667 749
@@ -673,12 +755,11 @@ main(int ac, char **av)
673 close(sock_out); 755 close(sock_out);
674 refuse(&req); 756 refuse(&req);
675 } 757 }
676 verbose("Connection from %.500s port %d", eval_client(&req), remote_port); 758/*XXX IPv6 verbose("Connection from %.500s port %d", eval_client(&req), remote_port); */
677 } 759 }
678#else 760#endif /* LIBWRAP */
679 /* Log the connection. */ 761 /* Log the connection. */
680 verbose("Connection from %.500s port %d", remote_ip, remote_port); 762 verbose("Connection from %.500s port %d", remote_ip, remote_port);
681#endif /* LIBWRAP */
682 763
683 /* 764 /*
684 * We don\'t want to listen forever unless the other side 765 * We don\'t want to listen forever unless the other side
@@ -700,12 +781,12 @@ main(int ac, char **av)
700 snprintf(buf, sizeof buf, "SSH-%d.%d-%.100s\n", 781 snprintf(buf, sizeof buf, "SSH-%d.%d-%.100s\n",
701 PROTOCOL_MAJOR, PROTOCOL_MINOR, SSH_VERSION); 782 PROTOCOL_MAJOR, PROTOCOL_MINOR, SSH_VERSION);
702 if (atomicio(write, sock_out, buf, strlen(buf)) != strlen(buf)) 783 if (atomicio(write, sock_out, buf, strlen(buf)) != strlen(buf))
703 fatal("Could not write ident string to %s.", get_remote_ipaddr()); 784 fatal("Could not write ident string to %s.", remote_ip);
704 785
705 /* Read other side\'s version identification. */ 786 /* Read other side\'s version identification. */
706 for (i = 0; i < sizeof(buf) - 1; i++) { 787 for (i = 0; i < sizeof(buf) - 1; i++) {
707 if (read(sock_in, &buf[i], 1) != 1) 788 if (read(sock_in, &buf[i], 1) != 1)
708 fatal("Did not receive ident string from %s.", get_remote_ipaddr()); 789 fatal("Did not receive ident string from %s.", remote_ip);
709 if (buf[i] == '\r') { 790 if (buf[i] == '\r') {
710 buf[i] = '\n'; 791 buf[i] = '\n';
711 buf[i + 1] = 0; 792 buf[i + 1] = 0;
@@ -732,7 +813,7 @@ main(int ac, char **av)
732 close(sock_in); 813 close(sock_in);
733 close(sock_out); 814 close(sock_out);
734 fatal("Bad protocol version identification '%.100s' from %s", 815 fatal("Bad protocol version identification '%.100s' from %s",
735 buf, get_remote_ipaddr()); 816 buf, remote_ip);
736 } 817 }
737 debug("Client protocol version %d.%d; client software version %.100s", 818 debug("Client protocol version %d.%d; client software version %.100s",
738 remote_major, remote_minor, remote_version); 819 remote_major, remote_minor, remote_version);
@@ -743,8 +824,7 @@ main(int ac, char **av)
743 close(sock_in); 824 close(sock_in);
744 close(sock_out); 825 close(sock_out);
745 fatal("Protocol major versions differ for %s: %d vs. %d", 826 fatal("Protocol major versions differ for %s: %d vs. %d",
746 get_remote_ipaddr(), 827 remote_ip, PROTOCOL_MAJOR, remote_major);
747 PROTOCOL_MAJOR, remote_major);
748 } 828 }
749 /* Check that the client has sufficiently high software version. */ 829 /* Check that the client has sufficiently high software version. */
750 if (remote_major == 1 && remote_minor < 3) 830 if (remote_major == 1 && remote_minor < 3)
@@ -769,6 +849,14 @@ main(int ac, char **av)
769 options.rhosts_authentication = 0; 849 options.rhosts_authentication = 0;
770 options.rhosts_rsa_authentication = 0; 850 options.rhosts_rsa_authentication = 0;
771 } 851 }
852#ifdef KRB4
853 if (!packet_connection_is_ipv4() &&
854 options.kerberos_authentication) {
855 debug("Kerberos Authentication disabled, only available for IPv4.");
856 options.kerberos_authentication = 0;
857 }
858#endif /* KRB4 */
859
772 packet_set_nonblocking(); 860 packet_set_nonblocking();
773 861
774 /* Handle the connection. */ 862 /* Handle the connection. */
@@ -1935,8 +2023,8 @@ do_exec_pty(const char *command, int ptyfd, int ttyfd,
1935 char line[256]; 2023 char line[256];
1936 struct stat st; 2024 struct stat st;
1937 int quiet_login; 2025 int quiet_login;
1938 struct sockaddr_in from; 2026 struct sockaddr_storage from;
1939 int fromlen; 2027 socklen_t fromlen;
1940 struct pty_cleanup_context cleanup_context; 2028 struct pty_cleanup_context cleanup_context;
1941 2029
1942 /* Get remote host name. */ 2030 /* Get remote host name. */
@@ -1997,7 +2085,7 @@ do_exec_pty(const char *command, int ptyfd, int ttyfd,
1997 } 2085 }
1998 /* Record that there was a login on that terminal. */ 2086 /* Record that there was a login on that terminal. */
1999 record_login(pid, ttyname, pw->pw_name, pw->pw_uid, hostname, 2087 record_login(pid, ttyname, pw->pw_name, pw->pw_uid, hostname,
2000 &from); 2088 (struct sockaddr *)&from);
2001 2089
2002 /* Check if .hushlogin exists. */ 2090 /* Check if .hushlogin exists. */
2003 snprintf(line, sizeof line, "%.200s/.hushlogin", pw->pw_dir); 2091 snprintf(line, sizeof line, "%.200s/.hushlogin", pw->pw_dir);
@@ -2318,7 +2406,7 @@ do_child(const char *command, struct passwd * pw, const char *term,
2318 } 2406 }
2319 2407
2320 snprintf(buf, sizeof buf, "%.50s %d %d", 2408 snprintf(buf, sizeof buf, "%.50s %d %d",
2321 get_remote_ipaddr(), get_remote_port(), options.port); 2409 get_remote_ipaddr(), get_remote_port(), get_local_port());
2322 child_set_env(&env, &envsize, "SSH_CLIENT", buf); 2410 child_set_env(&env, &envsize, "SSH_CLIENT", buf);
2323 2411
2324 if (ttyname) 2412 if (ttyname)
@@ -2385,7 +2473,6 @@ do_child(const char *command, struct passwd * pw, const char *term,
2385 * descriptors left by system functions. They will be closed later. 2473 * descriptors left by system functions. They will be closed later.
2386 */ 2474 */
2387 endpwent(); 2475 endpwent();
2388 endhostent();
2389 2476
2390 /* 2477 /*
2391 * Close any extra open file descriptors so that we don\'t have them 2478 * Close any extra open file descriptors so that we don\'t have them