Plan 9 from Bell Labs 2007-04-20

dist/replica/_plan9.db

@@ -49,7 +49,7 @@
 386/bin/auth/changeuser - 775 sys sys 1168402267 97488
 386/bin/auth/convkeys - 775 sys sys 1174964423 88664
 386/bin/auth/convkeys2 - 775 sys sys 1174964423 88723
-386/bin/auth/cron - 775 sys sys 1168402268 144754
+386/bin/auth/cron - 775 sys sys 1177012403 145052
 386/bin/auth/debug - 775 sys sys 1168402268 101566
 386/bin/auth/disable - 775 sys sys 1020319057 146
 386/bin/auth/enable - 775 sys sys 1020319057 134
@@ -7624,7 +7624,7 @@ sys/man/3/ether - 664 sys sys 984709635 2563
 sys/man/3/floppy - 664 sys sys 954378905 881
 sys/man/3/fs - 664 sys sys 1175145095 3147
 sys/man/3/i82365 - 664 sys sys 954378906 884
-sys/man/3/ip - 664 sys sys 1174771711 22618
+sys/man/3/ip - 664 sys sys 1176959517 24540
 sys/man/3/kbmap - 664 sys sys 1131110122 1732
 sys/man/3/kprof - 664 sys sys 1018029972 1377
 sys/man/3/loopback - 664 sys sys 964662153 1995
@@ -7949,10 +7949,10 @@ sys/src/9/ip/icmp6.c - 664 sys sys 1176937812 17893
 sys/src/9/ip/igmp.c - 664 sys sys 1055700768 5175
 sys/src/9/ip/il.c - 664 sys sys 1134498903 27226
 sys/src/9/ip/inferno.c - 664 sys sys 1022588098 517
-sys/src/9/ip/ip.c - 664 sys sys 1101906449 15285
-sys/src/9/ip/ip.h - 664 sys sys 1162907930 15760
+sys/src/9/ip/ip.c - 664 sys sys 1176957040 15288
+sys/src/9/ip/ip.h - 664 sys sys 1176957139 15982
 sys/src/9/ip/ipaux.c - 664 sys sys 1079538100 12862
-sys/src/9/ip/ipifc.c - 664 sys sys 1176937940 33863
+sys/src/9/ip/ipifc.c - 664 sys sys 1176957160 33517
 sys/src/9/ip/ipmux.c - 664 sys sys 1047260566 15362
 sys/src/9/ip/iproute.c - 664 sys sys 1168305878 14778
 sys/src/9/ip/ipv6.c - 664 sys sys 1176938017 14297
@@ -9526,7 +9526,7 @@ sys/src/cmd/auth/changeuser.c - 664 sys sys 1155994851 2949
 sys/src/cmd/auth/convbio.c - 664 sys sys 1015008432 2212
 sys/src/cmd/auth/convkeys.c - 664 sys sys 1155994849 2387
 sys/src/cmd/auth/convkeys2.c - 664 sys sys 1155994849 2444
-sys/src/cmd/auth/cron.c - 664 sys sys 1168307786 12266
+sys/src/cmd/auth/cron.c - 664 sys sys 1177004942 12306
 sys/src/cmd/auth/debug.c - 664 sys sys 1143694911 7325
 sys/src/cmd/auth/disable - 775 sys sys 1015008431 146
 sys/src/cmd/auth/enable - 775 sys sys 1015008430 134

dist/replica/plan9.db

@@ -49,7 +49,7 @@
 386/bin/auth/changeuser - 775 sys sys 1168402267 97488
 386/bin/auth/convkeys - 775 sys sys 1174964423 88664
 386/bin/auth/convkeys2 - 775 sys sys 1174964423 88723
-386/bin/auth/cron - 775 sys sys 1168402268 144754
+386/bin/auth/cron - 775 sys sys 1177012403 145052
 386/bin/auth/debug - 775 sys sys 1168402268 101566
 386/bin/auth/disable - 775 sys sys 1020319057 146
 386/bin/auth/enable - 775 sys sys 1020319057 134
@@ -7624,7 +7624,7 @@ sys/man/3/ether - 664 sys sys 984709635 2563
 sys/man/3/floppy - 664 sys sys 954378905 881
 sys/man/3/fs - 664 sys sys 1175145095 3147
 sys/man/3/i82365 - 664 sys sys 954378906 884
-sys/man/3/ip - 664 sys sys 1174771711 22618
+sys/man/3/ip - 664 sys sys 1176959517 24540
 sys/man/3/kbmap - 664 sys sys 1131110122 1732
 sys/man/3/kprof - 664 sys sys 1018029972 1377
 sys/man/3/loopback - 664 sys sys 964662153 1995
@@ -7949,10 +7949,10 @@ sys/src/9/ip/icmp6.c - 664 sys sys 1176937812 17893
 sys/src/9/ip/igmp.c - 664 sys sys 1055700768 5175
 sys/src/9/ip/il.c - 664 sys sys 1134498903 27226
 sys/src/9/ip/inferno.c - 664 sys sys 1022588098 517
-sys/src/9/ip/ip.c - 664 sys sys 1101906449 15285
-sys/src/9/ip/ip.h - 664 sys sys 1162907930 15760
+sys/src/9/ip/ip.c - 664 sys sys 1176957040 15288
+sys/src/9/ip/ip.h - 664 sys sys 1176957139 15982
 sys/src/9/ip/ipaux.c - 664 sys sys 1079538100 12862
-sys/src/9/ip/ipifc.c - 664 sys sys 1176937940 33863
+sys/src/9/ip/ipifc.c - 664 sys sys 1176957160 33517
 sys/src/9/ip/ipmux.c - 664 sys sys 1047260566 15362
 sys/src/9/ip/iproute.c - 664 sys sys 1168305878 14778
 sys/src/9/ip/ipv6.c - 664 sys sys 1176938017 14297
@@ -9526,7 +9526,7 @@ sys/src/cmd/auth/changeuser.c - 664 sys sys 1155994851 2949
 sys/src/cmd/auth/convbio.c - 664 sys sys 1015008432 2212
 sys/src/cmd/auth/convkeys.c - 664 sys sys 1155994849 2387
 sys/src/cmd/auth/convkeys2.c - 664 sys sys 1155994849 2444
-sys/src/cmd/auth/cron.c - 664 sys sys 1168307786 12266
+sys/src/cmd/auth/cron.c - 664 sys sys 1177004942 12306
 sys/src/cmd/auth/debug.c - 664 sys sys 1143694911 7325
 sys/src/cmd/auth/disable - 775 sys sys 1015008431 146
 sys/src/cmd/auth/enable - 775 sys sys 1015008430 134

dist/replica/plan9.log

@@ -48423,3 +48423,10 @@
 1176939006 0 c sys/src/9/ip/icmp6.c - 664 sys sys 1176937812 17893
 1176939006 1 c sys/src/9/ip/ipifc.c - 664 sys sys 1176937940 33863
 1176939006 2 c sys/src/9/ip/ipv6.c - 664 sys sys 1176938017 14297
+1176957006 0 c sys/src/9/ip/ip.c - 664 sys sys 1176957040 15288
+1176958805 0 c sys/man/3/ip - 664 sys sys 1176958444 24542
+1176958805 1 c sys/src/9/ip/ip.h - 664 sys sys 1176957139 15982
+1176958805 2 c sys/src/9/ip/ipifc.c - 664 sys sys 1176957160 33517
+1176960606 0 c sys/man/3/ip - 664 sys sys 1176959517 24540
+1177005616 0 c sys/src/cmd/auth/cron.c - 664 sys sys 1177004942 12306
+1177012806 0 c 386/bin/auth/cron - 775 sys sys 1177012403 145052

sys/man/3/ip

@@ -94,7 +94,8 @@ alters aspects of the interface.
 The possible
 .I ctl
 messages are:
-.TF "bind loopback"
+.\" .TF "bind loopback"
+.TF "bind netdev"
 .PD
 .TP
 .BI "bind ether " path
@@ -135,7 +136,15 @@ written to it will be looped back.
 Disassociate the physical device from an IP interface.
 .TP
 .BI add\  "local mask remote mtu " proxy
-Add a local IP address to the interface.  The
+.PD 0
+.TP
+.BI try\  "local mask remote mtu " proxy
+.PD
+Add a local IP address to the interface.
+.I try
+adds the local address as a tentative address
+if it's an IPv6 address.
+The
 .IR mask ,
 .IR remote ,
 .IR mtu ,
@@ -185,6 +194,88 @@ on this interface as a local address.
 Remove the multicast address
 .I addr
 from this interface.
+.TP
+.BI "add6 " "v6addr pfx-len [onlink auto validlt preflt]"
+Add the local IPv6 address
+.I v6addr
+with prefix length
+.I pfx-len
+to this interface.
+See RFC 2461 §6.2.1 for more detail.
+The remaining arguments are optional:
+.RS
+.TF onlink
+.TP
+.I onlink
+flag: address is `on-link'
+.TP
+.I auto
+flag: autonomous
+.TP
+.I validlt
+valid life-time in seconds
+.TP
+.I preflt
+preferred life-time in seconds
+.RE
+.PD
+.TP
+.BI "ra6 " "keyword value ..."
+Set IPv6 router advertisement (RA) parameter
+.IR keyword 's
+.IR value .
+Known
+.IR keyword s
+and the meanings of their values follow.
+See RFC 2461 §6.2.1 for more detail.
+Flags are true iff non-zero.
+.RS
+.TF minraint
+.TP
+.B recvra
+flag: receive and process RAs.
+.TP
+.B sendra
+flag: generate and send RAs.
+.TP
+.B mflag
+flag: ``Managed address configuration'',
+goes into RAs.
+.TP
+.B oflag
+flag: ``Other stateful configuration'',
+goes into RAs.
+.TP
+.B maxraint
+``maximum time allowed between sending unsolicited multicast''
+RAs from the interface, in ms.
+.TP
+.B minraint
+``minimum time allowed between sending unsolicited multicast''
+RAs from the interface, in ms.
+.TP
+.B linkmtu
+``value to be placed in MTU options sent by the router.''
+Zero indicates none.
+.TP
+.B reachtime
+sets the Reachable Time field in RAs sent by the router.
+``Zero means unspecified (by this router).''
+.TP
+.B rxmitra
+sets the Retrans Timer field in RAs sent by the router.
+``Zero means unspecified (by this router).''
+.TP
+.B ttl
+default value of the Cur Hop Limit field in RAs sent by the router.
+Should be set to the ``current diameter of the Internet.''
+``Zero means unspecified (by this router).''
+.TP
+.B routerlt
+sets the Router Lifetime field of RAs sent from the interface, in ms.
+Zero means the router is not to be used as a default router.
+.PD
+.RE
 .PP
 Reading the interface's
 .I status

sys/src/9/ip/ip.c

@@ -145,30 +145,28 @@ Block*		ip4reassemble(IP*, int, Block*, Ip4hdr*);
 void		ipfragfree4(IP*, Fragment4*);
 Fragment4*	ipfragallo4(IP*);
 
-
 void
 ip_init_6(Fs *f)
 {
 	v6params *v6p;
 
 	v6p = smalloc(sizeof(v6params));
-	
-	v6p->rp.mflag		= 0;		// default not managed
+
+	v6p->rp.mflag		= 0;		/* default not managed */
 	v6p->rp.oflag		= 0;
-	v6p->rp.maxraint	= 600000;	// millisecs
+	v6p->rp.maxraint	= 600000;	/* millisecs */
 	v6p->rp.minraint	= 200000;
-	v6p->rp.linkmtu		= 0;		// no mtu sent
+	v6p->rp.linkmtu		= 0;		/* no mtu sent */
 	v6p->rp.reachtime	= 0;
 	v6p->rp.rxmitra		= 0;
 	v6p->rp.ttl		= MAXTTL;
-	v6p->rp.routerlt	= 3*(v6p->rp.maxraint);	
+	v6p->rp.routerlt	= 3 * v6p->rp.maxraint;
 
-	v6p->hp.rxmithost	= 1000;		// v6 RETRANS_TIMER
+	v6p->hp.rxmithost	= 1000;		/* v6 RETRANS_TIMER */
 
 	v6p->cdrouter 		= -1;
 
 	f->v6p			= v6p;
-
 }
 
 void
@@ -217,7 +215,7 @@ iprouting(Fs *f, int on)
 	if(f->ip->iprouting==0)
 		f->ip->stats[Forwarding] = 2;
 	else
-		f->ip->stats[Forwarding] = 1;	
+		f->ip->stats[Forwarding] = 1;
 }
 
 int
@@ -362,7 +360,7 @@ if((eh->frag[0] & (IP_DF>>8)) && !gating) print("%V: DF set\n", eh->dst);
 			seglen = dlen - fragoff;
 			hnputs(feh->frag, fragoff>>3);
 		}
-		else	
+		else
 			hnputs(feh->frag, (fragoff>>3)|IP_MF);
 
 		hnputs(feh->length, seglen + IP4HDR);
@@ -387,7 +385,7 @@ if((eh->frag[0] & (IP_DF>>8)) && !gating) print("%V: DF set\n", eh->dst);
 			chunk -= blklen;
 			if(xp->rp == xp->wp)
 				xp = xp->next;
-		} 
+		}
 
 		feh->cksum[0] = 0;
 		feh->cksum[1] = 0;
@@ -723,7 +721,7 @@ ip4reassemble(IP *ip, int offset, Block *bp, Ip4hdr *ih)
 			hnputs(ih->length, len);
 			qunlock(&ip->fraglock4);
 			ip->stats[ReasmOKs]++;
-			return bl;		
+			return bl;
 		}
 		pktposn += BKFG(bl)->flen;
 	}

sys/src/9/ip/ip.h

@@ -188,19 +188,19 @@ struct Iplink
 	int	ref;
 };
 
-/* rfc 2461, pp.40--43. */
+/* rfc 2461, pp.40—43. */
 
 /* default values, one per stack */
 struct Routerparams {
-	int	mflag;
-	int	oflag;
-	int 	maxraint;
-	int	minraint;
-	int	linkmtu;
-	int	reachtime;
-	int	rxmitra;
-	int	ttl;
-	int	routerlt;	
+	int	mflag;		/* flag: managed address configuration */
+	int	oflag;		/* flag: other stateful configuration */
+	int 	maxraint;	/* max. router adv interval (ms) */
+	int	minraint;	/* min. router adv interval (ms) */
+	int	linkmtu;	/* mtu options */
+	int	reachtime;	/* reachable time */
+	int	rxmitra;	/* retransmit interval */
+	int	ttl;		/* cur hop count limit */
+	int	routerlt;	/* router lifetime */
 };
 
 struct Hostparams {
@@ -210,7 +210,7 @@ struct Hostparams {
 struct Ipifc
 {
 	RWlock;
-	
+
 	Conv	*conv;		/* link to its conversation structure */
 	char	dev[64];	/* device we're attached to */
 	Medium	*m;		/* Media pointer */
@@ -234,9 +234,9 @@ struct Ipifc
 	ulong	in, out;	/* message statistics */
 	ulong	inerr, outerr;	/* ... */
 
-	uchar	sendra6;	/* == 1 => send router advs on this ifc	*/
-	uchar	recvra6;	/* == 1 => recv router advs on this ifc */
-	Routerparams rp;	/* router parameters as in RFC 2461, pp.40--43. 
+	uchar	sendra6;	/* flag: send router advs on this ifc */
+	uchar	recvra6;	/* flag: recv router advs on this ifc */
+	Routerparams rp;	/* router parameters as in RFC 2461, pp.40—43.
 					used only if node is router */
 };
 
@@ -361,7 +361,7 @@ struct v6params
 	Routerparams	rp;		/* v6 params, one copy per node now */
 	Hostparams	hp;
 	v6router	v6rlist[3];	/* max 3 default routers, currently */
-	int		cdrouter;	/* uses only v6rlist[cdrouter] if   */ 
+	int		cdrouter;	/* uses only v6rlist[cdrouter] if   */
 					/* cdrouter >= 0. */
 };
 
@@ -379,7 +379,7 @@ char*	Fsstdannounce(Conv*, char**, int);
 char*	Fsstdbind(Conv*, char**, int);
 ulong	scalednconv(void);
 void	closeconv(Conv*);
-/* 
+/*
  *  logging
  */
 enum
@@ -605,8 +605,7 @@ extern void	ipifcaddmulti(Conv *c, uchar *ma, uchar *ia);
 extern char*	ipifcrem(Ipifc *ifc, char **argv, int argc);
 extern char*	ipifcadd(Ipifc *ifc, char **argv, int argc, int tentative, Iplifc *lifcp);
 extern long	ipselftabread(Fs*, char *a, ulong offset, int n);
-extern char*	ipifcaddpref6(Ipifc *ifc, char**argv, int argc);
-extern void	ipsendra6(Fs *f, int on);
+extern char*	ipifcadd6(Ipifc *ifc, char**argv, int argc);
 /*
  *  ip.c
  */

sys/src/9/ip/ipifc.c

@@ -415,12 +415,12 @@ ipifcadd(Ipifc *ifc, char **argv, int argc, int tentative, Iplifc *lifcp)
 		if(ipcmp(lifc->local, ip) == 0) {
 			if(lifc->tentative != tentative)
 				lifc->tentative = tentative;
-			if(lifcp != nil) {
-				lifc->onlink = lifcp->onlink;
+			if(lifcp) {
+				lifc->onlink   = lifcp->onlink;
 				lifc->autoflag = lifcp->autoflag;
-				lifc->validlt = lifcp->validlt;
-				lifc->preflt = lifcp->preflt;
-				lifc->origint = lifcp->origint;
+				lifc->validlt  = lifcp->validlt;
+				lifc->preflt   = lifcp->preflt;
+				lifc->origint  = lifcp->origint;
 			}
 			goto out;
 		}
@@ -432,18 +432,16 @@ ipifcadd(Ipifc *ifc, char **argv, int argc, int tentative, Iplifc *lifcp)
 	ipmove(lifc->remote, rem);
 	ipmove(lifc->net, net);
 	lifc->tentative = tentative;
-	if(lifcp != nil) {
-		lifc->onlink = lifcp->onlink;
+	if(lifcp) {
+		lifc->onlink   = lifcp->onlink;
 		lifc->autoflag = lifcp->autoflag;
-		lifc->validlt = lifcp->validlt;
-		lifc->preflt = lifcp->preflt;
-		lifc->origint = lifcp->origint;
+		lifc->validlt  = lifcp->validlt;
+		lifc->preflt   = lifcp->preflt;
+		lifc->origint  = lifcp->origint;
 	} else {		/* default values */
-		lifc->onlink = 1;
-		lifc->autoflag = 1;
-		lifc->validlt = ~0L;
-		lifc->preflt = ~0L;
-		lifc->origint = NOW / 1000;
+		lifc->onlink   = lifc->autoflag = 1;
+		lifc->validlt  = lifc->preflt = ~0L;
+		lifc->origint  = NOW / 1000;
 	}
 	lifc->next = nil;
 
@@ -687,7 +685,7 @@ ipifcconnect(Conv* c, char **argv, int argc)
 }
 
 char*
-ipifcsetpar6(Ipifc *ifc, char **argv, int argc)
+ipifcra6(Ipifc *ifc, char **argv, int argc)
 {
 	int i, argsleft, vmax = ifc->rp.maxraint, vmin = ifc->rp.minraint;
 
@@ -736,20 +734,6 @@ ipifcsetpar6(Ipifc *ifc, char **argv, int argc)
 	return nil;
 }
 
-char*
-ipifcsendra6(Ipifc *ifc, char **argv, int argc)
-{
-	ifc->sendra6 = ((argc > 1? atoi(argv[1]): 0) != 0);
-	return nil;
-}
-
-char*
-ipifcrecvra6(Ipifc *ifc, char **argv, int argc)
-{
-	ifc->recvra6 = ((argc > 1? atoi(argv[1]): 0) != 0);
-	return nil;
-}
-
 /*
  *  non-standard control messages.
  *  called with c->car locked.
@@ -780,15 +764,12 @@ ipifcctl(Conv* c, char**argv, int argc)
 	} else if(strcmp(argv[0], "iprouting") == 0){
 		iprouting(c->p->f, (argc > 1? atoi(argv[1]): 1));
 		return nil;
-	} else if(strcmp(argv[0], "addpref6") == 0)
-		return ipifcaddpref6(ifc, argv, argc);
-	else if(strcmp(argv[0], "setpar6") == 0)
-		return ipifcsetpar6(ifc, argv, argc);
-	else if(strcmp(argv[0], "sendra6") == 0)
-		return ipifcsendra6(ifc, argv, argc);
-	else if(strcmp(argv[0], "recvra6") == 0)
-		return ipifcrecvra6(ifc, argv, argc);
-	return "unsupported ctl";
+	} else if(strcmp(argv[0], "add6") == 0)
+		return ipifcadd6(ifc, argv, argc);
+	else if(strcmp(argv[0], "ra6") == 0)
+		return ipifcra6(ifc, argv, argc);
+	else
+		return "unsupported ctl";
 }
 
 int
@@ -1583,7 +1564,7 @@ enum {
 };
 
 char*
-ipifcaddpref6(Ipifc *ifc, char**argv, int argc)
+ipifcadd6(Ipifc *ifc, char**argv, int argc)
 {
 	int plen = 64;
 	long origint = NOW / 1000, preflt = ~0L, validlt = ~0L;
@@ -1620,17 +1601,16 @@ ipifcaddpref6(Ipifc *ifc, char**argv, int argc)
 		return Ebadarg;
 
 	lifc = smalloc(sizeof(Iplifc));
-	lifc->onlink = (onlink!=0);
-	lifc->autoflag = (autoflag!=0);
+	lifc->onlink = (onlink != 0);
+	lifc->autoflag = (autoflag != 0);
 	lifc->validlt = validlt;
 	lifc->preflt = preflt;
 	lifc->origint = origint;
 
-	if(ifc->m->pref2addr)
-		ifc->m->pref2addr(prefix, ifc->mac);
-	else
+	/* issue "add" ctl msg for v6 link-local addr and prefix len */
+	if(!ifc->m->pref2addr)
 		return Ebadarg;
-
+	ifc->m->pref2addr(prefix, ifc->mac);	/* mac → v6 link-local addr */
 	sprint(addr, "%I", prefix);
 	sprint(preflen, "/%d", plen);
 	params[0] = "add";

sys/src/cmd/auth/cron.c

@@ -84,6 +84,20 @@ sleepuntil(ulong tm)
 		return 0;
 }
 
+#pragma varargck	argpos clog 1
+
+static void
+clog(char *fmt, ...)
+{
+	char msg[256];
+	va_list arg;
+
+	va_start(arg, fmt);
+	vseprint(msg, msg + sizeof msg, fmt, arg);
+	va_end(arg);
+	syslog(0, CRONLOG, msg);
+}
+
 void
 main(int argc, char *argv[])
 {
@@ -138,10 +152,10 @@ main(int argc, char *argv[])
 		 * just execute one day's jobs.
 		 */
 		if (now < last) {
-			syslog(0, CRONLOG, "time went backward");
+			clog("time went backward");
 			last = now;
 		} else if (now - last > Day) {
-			syslog(0, CRONLOG, "time advanced more than a day");
+			clog("time advanced more than a day");
 			last = now - Day;
 		}
 		now = minute(now);
@@ -261,8 +275,7 @@ readjobs(char *file, User *user)
 		if(*savec == '#' || *savec == '\0')
 			continue;
 		if(strlen(savec) > 1024){
-			syslog(0, CRONLOG, "%s: line %d: line too long",
-				user->name, line);
+			clog("%s: line %d: line too long", user->name, line);
 			continue;
 		}
 		j = emalloc(sizeof *j);
@@ -277,8 +290,7 @@ readjobs(char *file, User *user)
 			j->next = jobs;
 			jobs = j;
 		}else{
-			syslog(0, CRONLOG, "%s: line %d: syntax error",
-				user->name, line);
+			clog("%s: line %d: syntax error", user->name, line);
 			free(j);
 		}
 	}
@@ -356,7 +368,7 @@ getname(char **namep)
 	*p = '\0';
 	*namep = strdup(buf);
 	if(*namep == 0){
-		syslog(0, CRONLOG, "internal error: strdup failure");
+		clog("internal error: strdup failure");
 		_exits(0);
 	}
 	while(*savec == ' ' || *savec == '\t')
@@ -492,59 +504,63 @@ rexec(User *user, Job *j)
 	case 0:
 		break;
 	case -1:
-		syslog(0, CRONLOG, "can't fork a job for %s: %r\n", user->name);
+		clog("can't fork a job for %s: %r\n", user->name);
 	default:
 		return;
 	}
 
 	if(!mkcmd(j->cmd, buf, sizeof buf)){
-		syslog(0, CRONLOG, "internal error: cmd buffer overflow");
+		clog("internal error: cmd buffer overflow");
 		_exits(0);
 	}
 
 	/*
-	 * remote call, auth, cmd with no i/o
-	 * give it 2 min to complete
+	 * local call, auth, cmd with no i/o
 	 */
 	if(strcmp(j->host, "local") == 0){
 		if(becomeuser(user->name) < 0){
-			syslog(0, CRONLOG, "%s: can't change uid for %s on %s: %r", user->name, j->cmd, j->host);
+			clog("%s: can't change uid for %s on %s: %r",
+				user->name, j->cmd, j->host);
 			_exits(0);
 		}
-syslog(0, CRONLOG, "%s: ran '%s' on %s", user->name, j->cmd, j->host);
-		execl("/bin/rc", "rc", "-c", buf, nil);
-		syslog(0, CRONLOG, "%s: exec failed for %s on %s: %r",
+		putenv("service", "rx");
+		clog("%s: ran '%s' on %s", user->name, j->cmd, j->host);
+		execl("/bin/rc", "rc", "-lc", buf, nil);
+		clog("%s: exec failed for %s on %s: %r",
 			user->name, j->cmd, j->host);
 		_exits(0);
 	}
 
+	/*
+	 * remote call, auth, cmd with no i/o
+	 * give it 2 min to complete
+	 */
 	alarm(2*Minute*1000);
 	fd = call(j->host);
 	if(fd < 0){
 		if(fd == -2)
-			syslog(0, CRONLOG, "%s: dangerous host %s",
-				user->name, j->host);
-		syslog(0, CRONLOG, "%s: can't call %s: %r", user->name, j->host);
+			clog("%s: dangerous host %s", user->name, j->host);
+		clog("%s: can't call %s: %r", user->name, j->host);
 		_exits(0);
 	}
-syslog(0, CRONLOG, "%s: called %s on %s", user->name, j->cmd, j->host);
+	clog("%s: called %s on %s", user->name, j->cmd, j->host);
 	if(becomeuser(user->name) < 0){
-		syslog(0, CRONLOG, "%s: can't change uid for %s on %s: %r",
+		clog("%s: can't change uid for %s on %s: %r",
 			user->name, j->cmd, j->host);
 		_exits(0);
 	}
 	ai = auth_proxy(fd, nil, "proto=p9any role=client");
 	if(ai == nil){
-		syslog(0, CRONLOG, "%s: can't authenticate for %s on %s: %r",
+		clog("%s: can't authenticate for %s on %s: %r",
 			user->name, j->cmd, j->host);
 		_exits(0);
 	}
-syslog(0, CRONLOG, "%s: authenticated %s on %s", user->name, j->cmd, j->host);
+	clog("%s: authenticated %s on %s", user->name, j->cmd, j->host);
 	write(fd, buf, strlen(buf)+1);
 	write(fd, buf, 0);
 	while((n = read(fd, buf, sizeof(buf)-1)) > 0){
 		buf[n] = 0;
-		syslog(0, CRONLOG, "%s: %s\n", j->cmd, buf);
+		clog("%s: %s\n", j->cmd, buf);
 	}
 	_exits(0);
 }
@@ -660,6 +676,7 @@ becomeuser(char *new)
 {
 	char *cap;
 	int rv;
+
 	cap = mkcap(getuser(), new);
 	if(cap == nil)
 		return -1;