diff options
Diffstat (limited to 'usr.sbin/inetd')
| -rw-r--r-- | usr.sbin/inetd/Makefile | 4 | ||||
| -rw-r--r-- | usr.sbin/inetd/inetd.8 | 32 | ||||
| -rw-r--r-- | usr.sbin/inetd/inetd.c | 46 |
3 files changed, 45 insertions, 37 deletions
diff --git a/usr.sbin/inetd/Makefile b/usr.sbin/inetd/Makefile index ddb15c58e297..7af0b6397415 100644 --- a/usr.sbin/inetd/Makefile +++ b/usr.sbin/inetd/Makefile @@ -1,11 +1,11 @@ # @(#)Makefile 8.1 (Berkeley) 6/6/93 -# $Id: Makefile,v 1.8 1999/05/07 06:48:01 markm Exp $ +# $Id: Makefile,v 1.9 1999/06/17 09:16:06 sheldonh Exp $ PROG= inetd MAN8= inetd.8 MLINKS= inetd.8 inetd.conf.5 -COPTS+= -Wall -DLOGIN_CAP -DLIBWRAP -DLIBWRAP_INTERNAL +COPTS+= -Wall -DLOGIN_CAP #COPTS+= -DSANITY_CHECK DPADD+= ${LIBUTIL} ${LIBWRAP} diff --git a/usr.sbin/inetd/inetd.8 b/usr.sbin/inetd/inetd.8 index 3bcd3db8ce89..10d30e5c2015 100644 --- a/usr.sbin/inetd/inetd.8 +++ b/usr.sbin/inetd/inetd.8 @@ -30,7 +30,7 @@ .\" SUCH DAMAGE. .\" .\" from: @(#)inetd.8 8.3 (Berkeley) 4/13/94 -.\" $Id: inetd.8,v 1.26 1999/06/17 09:16:07 sheldonh Exp $ +.\" $Id: inetd.8,v 1.27 1999/06/21 11:43:13 sheldonh Exp $ .\" .Dd February 7, 1996 .Dt INETD 8 @@ -43,6 +43,7 @@ .Nm inetd .Op Fl d .Op Fl l +.Op Fl w .Op Fl c Ar maximum .Op Fl C Ar rate .Op Fl a Ar address @@ -78,6 +79,11 @@ The following options are available: Turn on debugging. .It Fl l Turn on logging. +.It Fl w +Turn on TCP Wrapping. If this option is specified twice, internal +services will also be wrapped. See the +.Sx "IMPLEMENTATION NOTES" +section for more information on TCP Wrappers support. .It Fl c Ar maximum Specify the default maximum number of services that can be invoked. May be overridden on a per-service basis with the "max-child" @@ -401,16 +407,26 @@ records its process ID in the file .Pa /var/run/inetd.pid to assist in reconfiguration. .Sh IMPLEMENTATION NOTES +When given the +.Fl w +option, +.Nm +will wrap all services specified as +.Dq stream tcp nowait +except for +.Dq internal +services. If the +.Fl w +option is given twice, such +.Dq internal +services will be wrapped as well. .Pp -Support is provided for TCP Wrappers; see the relevant documentation ( -.Xr hosts_access 5 -). -The +When wrapping is enabled, the .Pa tcpd daemon is not required, as that functionality is builtin. -Only stream-based services, including -.Dq internal -services, may be wrapped. +For more information on TCP Wrappers; see the relevant documentation ( +.Xr hosts_access 5 +). .Sh TCPMUX .Pp .Tn RFC 1078 diff --git a/usr.sbin/inetd/inetd.c b/usr.sbin/inetd/inetd.c index 16494f33ac61..b75fd164dc9c 100644 --- a/usr.sbin/inetd/inetd.c +++ b/usr.sbin/inetd/inetd.c @@ -42,7 +42,7 @@ static const char copyright[] = static char sccsid[] = "@(#)from: inetd.c 8.4 (Berkeley) 4/13/94"; #endif static const char rcsid[] = - "$Id: inetd.c,v 1.50 1999/06/17 09:16:08 sheldonh Exp $"; + "$Id: inetd.c,v 1.51 1999/06/21 11:17:34 sheldonh Exp $"; #endif /* not lint */ /* @@ -128,12 +128,11 @@ static const char rcsid[] = #include <stdlib.h> #include <string.h> #include <syslog.h> +#include <tcpd.h> #include <unistd.h> #include <libutil.h> #include <sysexits.h> -#ifdef LIBWRAP -# include <tcpd.h> #ifndef LIBWRAP_ALLOW_FACILITY # define LIBWRAP_ALLOW_FACILITY LOG_AUTH #endif @@ -146,9 +145,6 @@ static const char rcsid[] = #ifndef LIBWRAP_DENY_SEVERITY # define LIBWRAP_DENY_SEVERITY LOG_WARNING #endif -int allow_severity; -int deny_severity; -#endif #ifdef LOGIN_CAP #include <login_cap.h> @@ -178,6 +174,10 @@ int deny_severity; #define SIGBLOCK (sigmask(SIGCHLD)|sigmask(SIGHUP)|sigmask(SIGALRM)) +int allow_severity; +int deny_severity; +int wrap = 0; +int wrap_bi = 0; int debug = 0; int log = 0; int nsock, maxsock; @@ -347,14 +347,11 @@ main(argc, argv, envp) #ifdef LOGIN_CAP login_cap_t *lc = NULL; #endif -#ifdef LIBWRAP struct request_info req; int denied; char *service = NULL; -#else struct sockaddr_in peer; int i; -#endif #ifdef OLD_SETPROCTITLE @@ -369,7 +366,7 @@ main(argc, argv, envp) openlog("inetd", LOG_PID | LOG_NOWAIT, LOG_DAEMON); bind_address.s_addr = htonl(INADDR_ANY); - while ((ch = getopt(argc, argv, "dlR:a:c:C:p:")) != -1) + while ((ch = getopt(argc, argv, "dlwR:a:c:C:p:")) != -1) switch(ch) { case 'd': debug = 1; @@ -400,10 +397,14 @@ main(argc, argv, envp) case 'p': pid_file = optarg; break; + case 'w': + if (wrap++) + wrap_bi++; + break; case '?': default: syslog(LOG_ERR, - "usage: inetd [-dl] [-a address] [-R rate]" + "usage: inetd [-dlw] [-a address] [-R rate]" " [-c maximum] [-C rate]" " [-p pidfile] [conf-file]"); exit(EX_USAGE); @@ -539,8 +540,7 @@ main(argc, argv, envp) close(ctrl); continue; } -#ifndef LIBWRAP - if (log) { + if (!wrap || log) { i = sizeof peer; if (getpeername(ctrl, (struct sockaddr *) &peer, &i)) { @@ -554,20 +554,18 @@ main(argc, argv, envp) sep->se_service, inet_ntoa(peer.sin_addr)); } -#endif } else ctrl = sep->se_fd; (void) sigblock(SIGBLOCK); pid = 0; -#ifdef LIBWRAP_INTERNAL /* * When builtins are wrapped, avoid a minor optimization * that breaks hosts_options(5) twist. */ - dofork = 1; -#else - dofork = (sep->se_bi == 0 || sep->se_bi->bi_fork); -#endif + if (wrap_bi) + dofork = 1; + else + dofork = (sep->se_bi == 0 || sep->se_bi->bi_fork); if (dofork) { if (sep->se_count++ == 0) (void)gettimeofday(&sep->se_time, (struct timezone *)NULL); @@ -625,11 +623,8 @@ main(argc, argv, envp) _exit(0); } } -#ifdef LIBWRAP -#ifndef LIBWRAP_INTERNAL - if (sep->se_bi == 0) -#endif - if (sep->se_accept + if ((wrap && (!sep->se_bi || wrap_bi)) + && sep->se_accept && sep->se_socktype == SOCK_STREAM) { service = sep->se_server_name ? sep->se_server_name : sep->se_service; @@ -650,7 +645,6 @@ main(argc, argv, envp) eval_client(&req), service, sep->se_proto); } } -#endif /* LIBWRAP */ if (sep->se_bi) { (*sep->se_bi->bi_fn)(ctrl, sep); /* NOTREACHED */ @@ -740,9 +734,7 @@ main(argc, argv, envp) execv(sep->se_server, sep->se_argv); syslog(LOG_ERR, "cannot execute %s: %m", sep->se_server); -#ifdef LIBWRAP reject: -#endif if (sep->se_socktype != SOCK_STREAM) recv(0, buf, sizeof (buf), 0); } |