Change the name for the local unix-socket based protocol

from "unix" back to "local".  Add some compat stuff so both
ways work for some time.

Reviewed by:    phk
Approved by:    imp (UPDATING)
Requested by:   iedowse, lukem@netbsd.org

UPDATING

@@ -17,6 +17,13 @@ NOTE TO PEOPLE WHO THINK THAT 5.0-CURRENT IS SLOW:
 	developers choose to disable these features on build machines
 	to maximize performance.
 
+20021216:
+	A name change in /etc/netconfig has been reverted to stay
+	compatible with with suns TIRPC and also with NetBSD. You need
+	to run mergemaster after make world. A new libc does still work
+	with a outdated /etc/netconfig for some time, but you'll get
+	a warning. This warning will be removed in 20030301.
+
 20021202:
 	The recent binutils upgrade marks a kernel flag day on
 	sparc64: modules built with the old binutils will not work

etc/netconfig

@@ -16,4 +16,4 @@ tcp6       tpi_cots_ord  v     inet6    tcp     -       -
 udp        tpi_clts      v     inet     udp     -       -
 tcp        tpi_cots_ord  v     inet     tcp     -       -
 rawip      tpi_raw       -     inet      -      -       -
-unix       tpi_cots_ord  -     loopback  -      -       -
+local      tpi_cots_ord  -     loopback  -      -       -

lib/libc/rpc/getnetconfig.c

@@ -418,6 +418,18 @@ getnetconfigent(netid)
 	return (NULL);
     }
 
+    if (strcmp(netid, "unix") == 0) {
+	fprintf(stderr, "The local transport is called \"unix\" ");
+	fprintf(stderr, "in /etc/netconfig.\n");
+	fprintf(stderr, "Please change this to \"local\" manually ");
+	fprintf(stderr, "or run mergemaster(8).\n");
+	fprintf(stderr, "See UPDATING entry 20021216 for details.\n");
+	fprintf(stderr, "Continuing in 10 seconds\n\n");
+	fprintf(stderr, "This warning will be removed 20030301\n");
+	sleep(10);
+
+    }
+
     /*
      * Look up table if the entries have already been read and parsed in
      * getnetconfig(), then copy this entry into a buffer and return it.

lib/libc/rpc/rpc_generic.c

@@ -98,7 +98,7 @@ static const struct netid_af na_cvt[] = {
 	{ "udp6", AF_INET6, IPPROTO_UDP },
 	{ "tcp6", AF_INET6, IPPROTO_TCP },
 #endif
-	{ "unix", AF_LOCAL, 0 }
+	{ "local", AF_LOCAL, 0 }
 };
 
 #if 0
@@ -524,7 +524,9 @@ __rpc_nconf2sockinfo(const struct netconfig *nconf, struct __rpc_sockinfo *sip)
 	int i;
 
 	for (i = 0; i < (sizeof na_cvt) / (sizeof (struct netid_af)); i++)
-		if (!strcmp(na_cvt[i].netid, nconf->nc_netid)) {
+		if (strcmp(na_cvt[i].netid, nconf->nc_netid) == 0 || (
+		    strcmp(nconf->nc_netid, "unix") == 0 &&
+		    strcmp(na_cvt[i].netid, "local") == 0)) {
 			sip->si_af = na_cvt[i].af;
 			sip->si_proto = na_cvt[i].protocol;
 			sip->si_socktype =
@@ -554,13 +556,20 @@ __rpc_sockinfo2netid(struct __rpc_sockinfo *sip, const char **netid)
 {
 	int i;
 
-	for (i = 0; i < (sizeof na_cvt) / (sizeof (struct netid_af)); i++)
+	for (i = 0; i < (sizeof na_cvt) / (sizeof (struct netid_af)); i++) {
 		if (na_cvt[i].af == sip->si_af &&
 		    na_cvt[i].protocol == sip->si_proto) {
+			if (strcmp(na_cvt[i].netid, "local") == 0 &&
+			     getnetconfigent("local") == NULL) {
+				if (netid)
+					*netid = "unix";
+			} else {
 				if (netid)
 					*netid = na_cvt[i].netid;
+			}
 			return 1;
 		}
+	}
 
 	return 0;
 }

lib/libypclnt/ypclnt_passwd.c

@@ -154,6 +154,8 @@ yppasswd_local(ypclnt_t *ypclnt, const struct passwd *pwd, const char *passwd)
 	}
 
 	/* connect to rpc.yppasswdd */
+	nc = getnetconfigent("local");
+	if (nc == NULL)
 		nc = getnetconfigent("unix");
 	clnt = clnt_tp_create(ypclnt->server, YPPASSWDPROG, YPPASSWDVERS, nc);
 	if (clnt == NULL) {

usr.bin/rpcinfo/rpcinfo.c

@@ -545,7 +545,7 @@ pmapdump(int argc, char **argv)
 			else if (head->pml_map.pm_prot == IPPROTO_TCP)
 				printf("%6s", "tcp");
 			else if (head->pml_map.pm_prot == IPPROTO_ST)
-				printf("%6s", "unix");
+				printf("%6s", "local");
 			else
 				printf("%6ld", head->pml_map.pm_prot);
 			printf("%7ld", head->pml_map.pm_port);

usr.sbin/rpcbind/rpcbind.c

@@ -158,6 +158,8 @@ main(int argc, char *argv[])
 	tcptrans = "";
 #endif
 
+	nconf = getnetconfigent("local");
+	if (nconf == NULL)
 		nconf = getnetconfigent("unix");
 	if (nconf == NULL) {
 		syslog(LOG_ERR, "%s: can't find local transport\n", argv[0]);
@@ -279,7 +281,8 @@ init_transport(struct netconfig *nconf)
 		return (1);
 	}
 
-	if (!strcmp(nconf->nc_netid, "unix")) {
+	if ((strcmp(nconf->nc_netid, "local") == 0) ||
+	    (strcmp(nconf->nc_netid, "unix") == 0)) {
 		memset(&sun, 0, sizeof sun);
 		sun.sun_family = AF_LOCAL;
 		unlink(_PATH_RPCBINDSOCK);
@@ -438,7 +441,8 @@ init_transport(struct netconfig *nconf)
 		if (!checkbind)
 			return 1;
 	} else {
-		if (strcmp(nconf->nc_netid, "unix") != 0) {
+		if ((strcmp(nconf->nc_netid, "local") != 0) &&
+		    (strcmp(nconf->nc_netid, "unix") != 0)) {
 			if ((aicode = getaddrinfo(NULL, servname, &hints, &res))
 			    != 0) {
 				syslog(LOG_ERR,
@@ -502,7 +506,8 @@ init_transport(struct netconfig *nconf)
 	if ((strcmp(nconf->nc_protofmly, NC_INET) == 0 &&
 		(strcmp(nconf->nc_proto, NC_TCP) == 0 ||
 		strcmp(nconf->nc_proto, NC_UDP) == 0)) ||
-		strcmp(nconf->nc_netid, "unix") == 0) {
+		(strcmp(nconf->nc_netid, "unix") == 0) ||
+		(strcmp(nconf->nc_netid, "local") == 0)) {
 		struct pmaplist *pml;
 
 		if (!svc_register(my_xprt, PMAPPROG, PMAPVERS,
@@ -543,7 +548,9 @@ init_transport(struct netconfig *nconf)
 			/* Let's snarf the universal address */
 			/* "h1.h2.h3.h4.p1.p2" */
 			udp_uaddr = taddr2uaddr(nconf, &taddr.addr);
-		} else if (strcmp(nconf->nc_netid, "unix") == 0)
+		} else if (strcmp(nconf->nc_netid, "local") == 0)
+			pml->pml_map.pm_prot = IPPROTO_ST;
+		else if (strcmp(nconf->nc_netid, "unix") == 0)
 			pml->pml_map.pm_prot = IPPROTO_ST;
 		pml->pml_next = list_pml;
 		list_pml = pml;

usr.sbin/rpcbind/security.c

@@ -214,7 +214,7 @@ logit(int severity, struct sockaddr *addr, rpcproc_t procnum, rpcprog_t prognum,
 		/* Write syslog record. */
 
 		if (addr->sa_family == AF_LOCAL)
-			strcpy(fromname, "unix");
+			strcpy(fromname, "local");
 		else
 			getnameinfo(addr, addr->sa_len, fromname,
 			    sizeof fromname, NULL, 0, NI_NUMERICHOST);