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-rw-r--r--lib/libc/rpc/rpc_generic.c845
1 files changed, 0 insertions, 845 deletions
diff --git a/lib/libc/rpc/rpc_generic.c b/lib/libc/rpc/rpc_generic.c
deleted file mode 100644
index ab259d5..0000000
--- a/lib/libc/rpc/rpc_generic.c
+++ /dev/null
@@ -1,845 +0,0 @@
-/* $NetBSD: rpc_generic.c,v 1.4 2000/09/28 09:07:04 kleink Exp $ */
-
-/*
- * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
- * unrestricted use provided that this legend is included on all tape
- * media and as a part of the software program in whole or part. Users
- * may copy or modify Sun RPC without charge, but are not authorized
- * to license or distribute it to anyone else except as part of a product or
- * program developed by the user.
- *
- * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
- * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
- *
- * Sun RPC is provided with no support and without any obligation on the
- * part of Sun Microsystems, Inc. to assist in its use, correction,
- * modification or enhancement.
- *
- * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
- * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
- * OR ANY PART THEREOF.
- *
- * In no event will Sun Microsystems, Inc. be liable for any lost revenue
- * or profits or other special, indirect and consequential damages, even if
- * Sun has been advised of the possibility of such damages.
- *
- * Sun Microsystems, Inc.
- * 2550 Garcia Avenue
- * Mountain View, California 94043
- */
-/*
- * Copyright (c) 1986-1991 by Sun Microsystems Inc.
- */
-
-/* #pragma ident "@(#)rpc_generic.c 1.17 94/04/24 SMI" */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-/*
- * rpc_generic.c, Miscl routines for RPC.
- *
- */
-
-#include "namespace.h"
-#include "reentrant.h"
-#include <sys/types.h>
-#include <sys/param.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <sys/un.h>
-#include <sys/resource.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <rpc/rpc.h>
-#include <ctype.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <netdb.h>
-#include <netconfig.h>
-#include <stdlib.h>
-#include <string.h>
-#include <syslog.h>
-#include <rpc/nettype.h>
-#include "un-namespace.h"
-#include "rpc_com.h"
-#include "mt_misc.h"
-
-struct handle {
- NCONF_HANDLE *nhandle;
- int nflag; /* Whether NETPATH or NETCONFIG */
- int nettype;
-};
-
-static const struct _rpcnettype {
- const char *name;
- const int type;
-} _rpctypelist[] = {
- { "netpath", _RPC_NETPATH },
- { "visible", _RPC_VISIBLE },
- { "circuit_v", _RPC_CIRCUIT_V },
- { "datagram_v", _RPC_DATAGRAM_V },
- { "circuit_n", _RPC_CIRCUIT_N },
- { "datagram_n", _RPC_DATAGRAM_N },
- { "tcp", _RPC_TCP },
- { "udp", _RPC_UDP },
- { 0, _RPC_NONE }
-};
-
-struct netid_af {
- const char *netid;
- int af;
- int protocol;
-};
-
-static const struct netid_af na_cvt[] = {
- { "udp", AF_INET, IPPROTO_UDP },
- { "tcp", AF_INET, IPPROTO_TCP },
-#ifdef INET6
- { "udp6", AF_INET6, IPPROTO_UDP },
- { "tcp6", AF_INET6, IPPROTO_TCP },
-#endif
- { "local", AF_LOCAL, 0 }
-};
-
-#if 0
-static char *strlocase(char *);
-#endif
-static int getnettype(const char *);
-
-/*
- * Cache the result of getrlimit(), so we don't have to do an
- * expensive call every time.
- */
-int
-__rpc_dtbsize()
-{
- static int tbsize;
- struct rlimit rl;
-
- if (tbsize) {
- return (tbsize);
- }
- if (getrlimit(RLIMIT_NOFILE, &rl) == 0) {
- return (tbsize = (int)rl.rlim_max);
- }
- /*
- * Something wrong. I'll try to save face by returning a
- * pessimistic number.
- */
- return (32);
-}
-
-
-/*
- * Find the appropriate buffer size
- */
-u_int
-/*ARGSUSED*/
-__rpc_get_t_size(af, proto, size)
- int af, proto;
- int size; /* Size requested */
-{
- int maxsize, defsize;
-
- maxsize = 256 * 1024; /* XXX */
- switch (proto) {
- case IPPROTO_TCP:
- defsize = 64 * 1024; /* XXX */
- break;
- case IPPROTO_UDP:
- defsize = UDPMSGSIZE;
- break;
- default:
- defsize = RPC_MAXDATASIZE;
- break;
- }
- if (size == 0)
- return defsize;
-
- /* Check whether the value is within the upper max limit */
- return (size > maxsize ? (u_int)maxsize : (u_int)size);
-}
-
-/*
- * Find the appropriate address buffer size
- */
-u_int
-__rpc_get_a_size(af)
- int af;
-{
- switch (af) {
- case AF_INET:
- return sizeof (struct sockaddr_in);
-#ifdef INET6
- case AF_INET6:
- return sizeof (struct sockaddr_in6);
-#endif
- case AF_LOCAL:
- return sizeof (struct sockaddr_un);
- default:
- break;
- }
- return ((u_int)RPC_MAXADDRSIZE);
-}
-
-#if 0
-static char *
-strlocase(p)
- char *p;
-{
- char *t = p;
-
- for (; *p; p++)
- if (isupper(*p))
- *p = tolower(*p);
- return (t);
-}
-#endif
-
-/*
- * Returns the type of the network as defined in <rpc/nettype.h>
- * If nettype is NULL, it defaults to NETPATH.
- */
-static int
-getnettype(nettype)
- const char *nettype;
-{
- int i;
-
- if ((nettype == NULL) || (nettype[0] == 0)) {
- return (_RPC_NETPATH); /* Default */
- }
-
-#if 0
- nettype = strlocase(nettype);
-#endif
- for (i = 0; _rpctypelist[i].name; i++)
- if (strcasecmp(nettype, _rpctypelist[i].name) == 0) {
- return (_rpctypelist[i].type);
- }
- return (_rpctypelist[i].type);
-}
-
-static thread_key_t tcp_key, udp_key;
-static once_t keys_once = ONCE_INITIALIZER;
-static int tcp_key_error, udp_key_error;
-
-static void
-keys_init(void)
-{
-
- tcp_key_error = thr_keycreate(&tcp_key, free);
- udp_key_error = thr_keycreate(&udp_key, free);
-}
-
-/*
- * For the given nettype (tcp or udp only), return the first structure found.
- * This should be freed by calling freenetconfigent()
- */
-struct netconfig *
-__rpc_getconfip(nettype)
- const char *nettype;
-{
- char *netid;
- char *netid_tcp = (char *) NULL;
- char *netid_udp = (char *) NULL;
- static char *netid_tcp_main;
- static char *netid_udp_main;
- struct netconfig *dummy;
- int main_thread;
-
- if ((main_thread = thr_main())) {
- netid_udp = netid_udp_main;
- netid_tcp = netid_tcp_main;
- } else {
- if (thr_once(&keys_once, keys_init) != 0 ||
- tcp_key_error != 0 || udp_key_error != 0)
- return (NULL);
- netid_tcp = (char *)thr_getspecific(tcp_key);
- netid_udp = (char *)thr_getspecific(udp_key);
- }
- if (!netid_udp && !netid_tcp) {
- struct netconfig *nconf;
- void *confighandle;
-
- if (!(confighandle = setnetconfig())) {
- syslog (LOG_ERR, "rpc: failed to open " NETCONFIG);
- return (NULL);
- }
- while ((nconf = getnetconfig(confighandle)) != NULL) {
- if (strcmp(nconf->nc_protofmly, NC_INET) == 0) {
- if (strcmp(nconf->nc_proto, NC_TCP) == 0) {
- netid_tcp = strdup(nconf->nc_netid);
- if (main_thread)
- netid_tcp_main = netid_tcp;
- else
- thr_setspecific(tcp_key,
- (void *) netid_tcp);
- } else
- if (strcmp(nconf->nc_proto, NC_UDP) == 0) {
- netid_udp = strdup(nconf->nc_netid);
- if (main_thread)
- netid_udp_main = netid_udp;
- else
- thr_setspecific(udp_key,
- (void *) netid_udp);
- }
- }
- }
- endnetconfig(confighandle);
- }
- if (strcmp(nettype, "udp") == 0)
- netid = netid_udp;
- else if (strcmp(nettype, "tcp") == 0)
- netid = netid_tcp;
- else {
- return (NULL);
- }
- if ((netid == NULL) || (netid[0] == 0)) {
- return (NULL);
- }
- dummy = getnetconfigent(netid);
- return (dummy);
-}
-
-/*
- * Returns the type of the nettype, which should then be used with
- * __rpc_getconf().
- */
-void *
-__rpc_setconf(nettype)
- const char *nettype;
-{
- struct handle *handle;
-
- handle = (struct handle *) malloc(sizeof (struct handle));
- if (handle == NULL) {
- return (NULL);
- }
- switch (handle->nettype = getnettype(nettype)) {
- case _RPC_NETPATH:
- case _RPC_CIRCUIT_N:
- case _RPC_DATAGRAM_N:
- if (!(handle->nhandle = setnetpath()))
- goto failed;
- handle->nflag = TRUE;
- break;
- case _RPC_VISIBLE:
- case _RPC_CIRCUIT_V:
- case _RPC_DATAGRAM_V:
- case _RPC_TCP:
- case _RPC_UDP:
- if (!(handle->nhandle = setnetconfig())) {
- syslog (LOG_ERR, "rpc: failed to open " NETCONFIG);
- goto failed;
- }
- handle->nflag = FALSE;
- break;
- default:
- goto failed;
- }
-
- return (handle);
-
-failed:
- free(handle);
- return (NULL);
-}
-
-/*
- * Returns the next netconfig struct for the given "net" type.
- * __rpc_setconf() should have been called previously.
- */
-struct netconfig *
-__rpc_getconf(vhandle)
- void *vhandle;
-{
- struct handle *handle;
- struct netconfig *nconf;
-
- handle = (struct handle *)vhandle;
- if (handle == NULL) {
- return (NULL);
- }
- for (;;) {
- if (handle->nflag)
- nconf = getnetpath(handle->nhandle);
- else
- nconf = getnetconfig(handle->nhandle);
- if (nconf == NULL)
- break;
- if ((nconf->nc_semantics != NC_TPI_CLTS) &&
- (nconf->nc_semantics != NC_TPI_COTS) &&
- (nconf->nc_semantics != NC_TPI_COTS_ORD))
- continue;
- switch (handle->nettype) {
- case _RPC_VISIBLE:
- if (!(nconf->nc_flag & NC_VISIBLE))
- continue;
- /* FALLTHROUGH */
- case _RPC_NETPATH: /* Be happy */
- break;
- case _RPC_CIRCUIT_V:
- if (!(nconf->nc_flag & NC_VISIBLE))
- continue;
- /* FALLTHROUGH */
- case _RPC_CIRCUIT_N:
- if ((nconf->nc_semantics != NC_TPI_COTS) &&
- (nconf->nc_semantics != NC_TPI_COTS_ORD))
- continue;
- break;
- case _RPC_DATAGRAM_V:
- if (!(nconf->nc_flag & NC_VISIBLE))
- continue;
- /* FALLTHROUGH */
- case _RPC_DATAGRAM_N:
- if (nconf->nc_semantics != NC_TPI_CLTS)
- continue;
- break;
- case _RPC_TCP:
- if (((nconf->nc_semantics != NC_TPI_COTS) &&
- (nconf->nc_semantics != NC_TPI_COTS_ORD)) ||
- (strcmp(nconf->nc_protofmly, NC_INET)
-#ifdef INET6
- && strcmp(nconf->nc_protofmly, NC_INET6))
-#else
- )
-#endif
- ||
- strcmp(nconf->nc_proto, NC_TCP))
- continue;
- break;
- case _RPC_UDP:
- if ((nconf->nc_semantics != NC_TPI_CLTS) ||
- (strcmp(nconf->nc_protofmly, NC_INET)
-#ifdef INET6
- && strcmp(nconf->nc_protofmly, NC_INET6))
-#else
- )
-#endif
- ||
- strcmp(nconf->nc_proto, NC_UDP))
- continue;
- break;
- }
- break;
- }
- return (nconf);
-}
-
-void
-__rpc_endconf(vhandle)
- void * vhandle;
-{
- struct handle *handle;
-
- handle = (struct handle *) vhandle;
- if (handle == NULL) {
- return;
- }
- if (handle->nflag) {
- endnetpath(handle->nhandle);
- } else {
- endnetconfig(handle->nhandle);
- }
- free(handle);
-}
-
-/*
- * Used to ping the NULL procedure for clnt handle.
- * Returns NULL if fails, else a non-NULL pointer.
- */
-void *
-rpc_nullproc(clnt)
- CLIENT *clnt;
-{
- struct timeval TIMEOUT = {25, 0};
-
- if (clnt_call(clnt, NULLPROC, (xdrproc_t) xdr_void, NULL,
- (xdrproc_t) xdr_void, NULL, TIMEOUT) != RPC_SUCCESS) {
- return (NULL);
- }
- return ((void *) clnt);
-}
-
-/*
- * Try all possible transports until
- * one succeeds in finding the netconf for the given fd.
- */
-struct netconfig *
-__rpcgettp(fd)
- int fd;
-{
- const char *netid;
- struct __rpc_sockinfo si;
-
- if (!__rpc_fd2sockinfo(fd, &si))
- return NULL;
-
- if (!__rpc_sockinfo2netid(&si, &netid))
- return NULL;
-
- /*LINTED const castaway*/
- return getnetconfigent((char *)netid);
-}
-
-int
-__rpc_fd2sockinfo(int fd, struct __rpc_sockinfo *sip)
-{
- socklen_t len;
- int type, proto;
- struct sockaddr_storage ss;
-
- len = sizeof ss;
- if (_getsockname(fd, (struct sockaddr *)(void *)&ss, &len) < 0)
- return 0;
- sip->si_alen = len;
-
- len = sizeof type;
- if (_getsockopt(fd, SOL_SOCKET, SO_TYPE, &type, &len) < 0)
- return 0;
-
- /* XXX */
- if (ss.ss_family != AF_LOCAL) {
- if (type == SOCK_STREAM)
- proto = IPPROTO_TCP;
- else if (type == SOCK_DGRAM)
- proto = IPPROTO_UDP;
- else
- return 0;
- } else
- proto = 0;
-
- sip->si_af = ss.ss_family;
- sip->si_proto = proto;
- sip->si_socktype = type;
-
- return 1;
-}
-
-/*
- * Linear search, but the number of entries is small.
- */
-int
-__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) == 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 =
- __rpc_seman2socktype((int)nconf->nc_semantics);
- if (sip->si_socktype == -1)
- return 0;
- sip->si_alen = __rpc_get_a_size(sip->si_af);
- return 1;
- }
-
- return 0;
-}
-
-int
-__rpc_nconf2fd(const struct netconfig *nconf)
-{
- struct __rpc_sockinfo si;
-
- if (!__rpc_nconf2sockinfo(nconf, &si))
- return 0;
-
- return _socket(si.si_af, si.si_socktype, si.si_proto);
-}
-
-int
-__rpc_sockinfo2netid(struct __rpc_sockinfo *sip, const char **netid)
-{
- int i;
- struct netconfig *nconf;
-
- nconf = getnetconfigent("local");
-
- 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 && nconf == NULL) {
- if (netid)
- *netid = "unix";
- } else {
- if (netid)
- *netid = na_cvt[i].netid;
- }
- if (nconf != NULL)
- freenetconfigent(nconf);
- return 1;
- }
- }
- if (nconf != NULL)
- freenetconfigent(nconf);
-
- return 0;
-}
-
-char *
-taddr2uaddr(const struct netconfig *nconf, const struct netbuf *nbuf)
-{
- struct __rpc_sockinfo si;
-
- if (!__rpc_nconf2sockinfo(nconf, &si))
- return NULL;
- return __rpc_taddr2uaddr_af(si.si_af, nbuf);
-}
-
-struct netbuf *
-uaddr2taddr(const struct netconfig *nconf, const char *uaddr)
-{
- struct __rpc_sockinfo si;
-
- if (!__rpc_nconf2sockinfo(nconf, &si))
- return NULL;
- return __rpc_uaddr2taddr_af(si.si_af, uaddr);
-}
-
-char *
-__rpc_taddr2uaddr_af(int af, const struct netbuf *nbuf)
-{
- char *ret;
- struct sockaddr_in *sin;
- struct sockaddr_un *sun;
- char namebuf[INET_ADDRSTRLEN];
-#ifdef INET6
- struct sockaddr_in6 *sin6;
- char namebuf6[INET6_ADDRSTRLEN];
-#endif
- u_int16_t port;
-
- switch (af) {
- case AF_INET:
- sin = nbuf->buf;
- if (inet_ntop(af, &sin->sin_addr, namebuf, sizeof namebuf)
- == NULL)
- return NULL;
- port = ntohs(sin->sin_port);
- if (asprintf(&ret, "%s.%u.%u", namebuf, ((u_int32_t)port) >> 8,
- port & 0xff) < 0)
- return NULL;
- break;
-#ifdef INET6
- case AF_INET6:
- sin6 = nbuf->buf;
- if (inet_ntop(af, &sin6->sin6_addr, namebuf6, sizeof namebuf6)
- == NULL)
- return NULL;
- port = ntohs(sin6->sin6_port);
- if (asprintf(&ret, "%s.%u.%u", namebuf6, ((u_int32_t)port) >> 8,
- port & 0xff) < 0)
- return NULL;
- break;
-#endif
- case AF_LOCAL:
- sun = nbuf->buf;
- if (asprintf(&ret, "%.*s", (int)(sun->sun_len -
- offsetof(struct sockaddr_un, sun_path)),
- sun->sun_path) < 0)
- return (NULL);
- break;
- default:
- return NULL;
- }
-
- return ret;
-}
-
-struct netbuf *
-__rpc_uaddr2taddr_af(int af, const char *uaddr)
-{
- struct netbuf *ret = NULL;
- char *addrstr, *p;
- unsigned port, portlo, porthi;
- struct sockaddr_in *sin;
-#ifdef INET6
- struct sockaddr_in6 *sin6;
-#endif
- struct sockaddr_un *sun;
-
- port = 0;
- sin = NULL;
- addrstr = strdup(uaddr);
- if (addrstr == NULL)
- return NULL;
-
- /*
- * AF_LOCAL addresses are expected to be absolute
- * pathnames, anything else will be AF_INET or AF_INET6.
- */
- if (*addrstr != '/') {
- p = strrchr(addrstr, '.');
- if (p == NULL)
- goto out;
- portlo = (unsigned)atoi(p + 1);
- *p = '\0';
-
- p = strrchr(addrstr, '.');
- if (p == NULL)
- goto out;
- porthi = (unsigned)atoi(p + 1);
- *p = '\0';
- port = (porthi << 8) | portlo;
- }
-
- ret = (struct netbuf *)malloc(sizeof *ret);
- if (ret == NULL)
- goto out;
-
- switch (af) {
- case AF_INET:
- sin = (struct sockaddr_in *)malloc(sizeof *sin);
- if (sin == NULL)
- goto out;
- memset(sin, 0, sizeof *sin);
- sin->sin_family = AF_INET;
- sin->sin_port = htons(port);
- if (inet_pton(AF_INET, addrstr, &sin->sin_addr) <= 0) {
- free(sin);
- free(ret);
- ret = NULL;
- goto out;
- }
- sin->sin_len = ret->maxlen = ret->len = sizeof *sin;
- ret->buf = sin;
- break;
-#ifdef INET6
- case AF_INET6:
- sin6 = (struct sockaddr_in6 *)malloc(sizeof *sin6);
- if (sin6 == NULL)
- goto out;
- memset(sin6, 0, sizeof *sin6);
- sin6->sin6_family = AF_INET6;
- sin6->sin6_port = htons(port);
- if (inet_pton(AF_INET6, addrstr, &sin6->sin6_addr) <= 0) {
- free(sin6);
- free(ret);
- ret = NULL;
- goto out;
- }
- sin6->sin6_len = ret->maxlen = ret->len = sizeof *sin6;
- ret->buf = sin6;
- break;
-#endif
- case AF_LOCAL:
- sun = (struct sockaddr_un *)malloc(sizeof *sun);
- if (sun == NULL)
- goto out;
- memset(sun, 0, sizeof *sun);
- sun->sun_family = AF_LOCAL;
- strncpy(sun->sun_path, addrstr, sizeof(sun->sun_path) - 1);
- ret->len = ret->maxlen = sun->sun_len = SUN_LEN(sun);
- ret->buf = sun;
- break;
- default:
- break;
- }
-out:
- free(addrstr);
- return ret;
-}
-
-int
-__rpc_seman2socktype(int semantics)
-{
- switch (semantics) {
- case NC_TPI_CLTS:
- return SOCK_DGRAM;
- case NC_TPI_COTS_ORD:
- return SOCK_STREAM;
- case NC_TPI_RAW:
- return SOCK_RAW;
- default:
- break;
- }
-
- return -1;
-}
-
-int
-__rpc_socktype2seman(int socktype)
-{
- switch (socktype) {
- case SOCK_DGRAM:
- return NC_TPI_CLTS;
- case SOCK_STREAM:
- return NC_TPI_COTS_ORD;
- case SOCK_RAW:
- return NC_TPI_RAW;
- default:
- break;
- }
-
- return -1;
-}
-
-/*
- * XXXX - IPv6 scope IDs can't be handled in universal addresses.
- * Here, we compare the original server address to that of the RPC
- * service we just received back from a call to rpcbind on the remote
- * machine. If they are both "link local" or "site local", copy
- * the scope id of the server address over to the service address.
- */
-int
-__rpc_fixup_addr(struct netbuf *new, const struct netbuf *svc)
-{
-#ifdef INET6
- struct sockaddr *sa_new, *sa_svc;
- struct sockaddr_in6 *sin6_new, *sin6_svc;
-
- sa_svc = (struct sockaddr *)svc->buf;
- sa_new = (struct sockaddr *)new->buf;
-
- if (sa_new->sa_family == sa_svc->sa_family &&
- sa_new->sa_family == AF_INET6) {
- sin6_new = (struct sockaddr_in6 *)new->buf;
- sin6_svc = (struct sockaddr_in6 *)svc->buf;
-
- if ((IN6_IS_ADDR_LINKLOCAL(&sin6_new->sin6_addr) &&
- IN6_IS_ADDR_LINKLOCAL(&sin6_svc->sin6_addr)) ||
- (IN6_IS_ADDR_SITELOCAL(&sin6_new->sin6_addr) &&
- IN6_IS_ADDR_SITELOCAL(&sin6_svc->sin6_addr))) {
- sin6_new->sin6_scope_id = sin6_svc->sin6_scope_id;
- }
- }
-#endif
- return 1;
-}
-
-int
-__rpc_sockisbound(int fd)
-{
- struct sockaddr_storage ss;
- socklen_t slen;
-
- slen = sizeof (struct sockaddr_storage);
- if (_getsockname(fd, (struct sockaddr *)(void *)&ss, &slen) < 0)
- return 0;
-
- switch (ss.ss_family) {
- case AF_INET:
- return (((struct sockaddr_in *)
- (void *)&ss)->sin_port != 0);
-#ifdef INET6
- case AF_INET6:
- return (((struct sockaddr_in6 *)
- (void *)&ss)->sin6_port != 0);
-#endif
- case AF_LOCAL:
- /* XXX check this */
- return (((struct sockaddr_un *)
- (void *)&ss)->sun_path[0] != '\0');
- default:
- break;
- }
-
- return 0;
-}
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