PERFORCE change 124443 for review

Peter Wemm peter at FreeBSD.org
Wed Aug 1 00:25:24 UTC 2007


http://perforce.freebsd.org/chv.cgi?CH=124443

Change 124443 by peter at peter_daintree on 2007/08/01 00:25:11

	IFC @124442

Affected files ...

.. //depot/projects/hammer/etc/rc.d/nscd#1 branch
.. //depot/projects/hammer/lib/libarchive/test/main.c#7 integrate
.. //depot/projects/hammer/lib/libc/net/name6.c#24 integrate
.. //depot/projects/hammer/release/doc/en_US.ISO8859-1/relnotes/article.sgml#14 integrate
.. //depot/projects/hammer/share/man/man4/lagg.4#2 integrate
.. //depot/projects/hammer/sys/arm/arm/trap.c#21 integrate
.. //depot/projects/hammer/sys/arm/at91/at91rm92reg.h#5 integrate
.. //depot/projects/hammer/sys/arm/at91/kb920x_machdep.c#8 integrate
.. //depot/projects/hammer/sys/arm/at91/ohci_atmelarm.c#3 integrate
.. //depot/projects/hammer/sys/arm/conf/KB920X#5 integrate
.. //depot/projects/hammer/sys/conf/kern.pre.mk#49 integrate
.. //depot/projects/hammer/sys/conf/options.ia64#13 integrate
.. //depot/projects/hammer/sys/dev/acpica/acpi_hpet.c#8 integrate
.. //depot/projects/hammer/sys/dev/acpica/acpi_timer.c#17 integrate
.. //depot/projects/hammer/sys/dev/aic7xxx/aic7xxx.c#21 integrate
.. //depot/projects/hammer/sys/dev/aic7xxx/aic_osm_lib.c#5 integrate
.. //depot/projects/hammer/sys/dev/arcmsr/arcmsr.c#13 integrate
.. //depot/projects/hammer/sys/dev/bce/if_bce.c#9 integrate
.. //depot/projects/hammer/sys/dev/bce/if_bcefw.h#4 integrate
.. //depot/projects/hammer/sys/dev/bce/if_bcereg.h#8 integrate
.. //depot/projects/hammer/sys/dev/usb/umodem.c#15 integrate
.. //depot/projects/hammer/sys/ia64/ia64/db_machdep.c#4 integrate
.. //depot/projects/hammer/sys/ia64/ia64/exception.S#10 integrate
.. //depot/projects/hammer/sys/ia64/ia64/interrupt.c#26 integrate
.. //depot/projects/hammer/sys/ia64/ia64/machdep.c#62 integrate
.. //depot/projects/hammer/sys/ia64/ia64/mp_machdep.c#19 integrate
.. //depot/projects/hammer/sys/ia64/ia64/nexus.c#13 integrate
.. //depot/projects/hammer/sys/ia64/ia64/pmap.c#60 integrate
.. //depot/projects/hammer/sys/ia64/ia64/sapic.c#7 integrate
.. //depot/projects/hammer/sys/ia64/include/atomic.h#5 integrate
.. //depot/projects/hammer/sys/ia64/include/intr.h#4 integrate
.. //depot/projects/hammer/sys/ia64/include/md_var.h#15 integrate
.. //depot/projects/hammer/sys/ia64/include/sapicvar.h#4 integrate
.. //depot/projects/hammer/sys/net/if_lagg.c#6 integrate
.. //depot/projects/hammer/sys/net/if_lagg.h#5 integrate
.. //depot/projects/hammer/sys/netinet/tcp_fsm.h#6 integrate
.. //depot/projects/hammer/sys/netinet/tcp_input.c#78 integrate
.. //depot/projects/hammer/sys/netinet/tcp_subr.c#71 integrate
.. //depot/projects/hammer/sys/netinet/tcp_syncache.c#47 integrate
.. //depot/projects/hammer/sys/netinet/tcp_timer.h#13 integrate
.. //depot/projects/hammer/sys/netinet/tcp_usrreq.c#48 integrate
.. //depot/projects/hammer/sys/netipx/spx_debug.c#6 integrate
.. //depot/projects/hammer/sys/netipx/spx_debug.h#5 integrate
.. //depot/projects/hammer/sys/pc98/cbus/clock.c#11 integrate
.. //depot/projects/hammer/sys/powerpc/powerpc/trap.c#23 integrate
.. //depot/projects/hammer/usr.bin/netstat/ipx.c#7 integrate
.. //depot/projects/hammer/usr.sbin/nscd/Makefile#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/agent.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/agent.h#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/agents/Makefile.inc#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/agents/group.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/agents/group.h#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/agents/passwd.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/agents/passwd.h#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/agents/services.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/agents/services.h#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/cachelib.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/cachelib.h#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/cacheplcs.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/cacheplcs.h#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/config.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/config.h#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/debug.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/debug.h#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/hashtable.h#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/log.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/log.h#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/mp_rs_query.#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/mp_rs_query.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/mp_ws_query.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/mp_ws_query.h#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/nscd.8#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/nscd.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/nscd.conf.5#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/nscdcli.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/nscdcli.h#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/parser.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/parser.h#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/protocol.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/protocol.h#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/query.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/query.h#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/singletons.c#1 branch
.. //depot/projects/hammer/usr.sbin/nscd/singletons.h#1 branch

Differences ...

==== //depot/projects/hammer/lib/libarchive/test/main.c#7 (text+ko) ====

@@ -32,7 +32,13 @@
 #include <time.h>
 
 #include "test.h"
-__FBSDID("$FreeBSD: src/lib/libarchive/test/main.c,v 1.7 2007/07/14 17:52:01 kientzle Exp $");
+__FBSDID("$FreeBSD: src/lib/libarchive/test/main.c,v 1.8 2007/07/31 05:03:27 kientzle Exp $");
+
+/* Interix doesn't define these in a standard header. */
+#if __INTERIX__
+extern char *optarg;
+extern int optind;
+#endif
 
 /* Default is to crash and try to force a core dump on failure. */
 static int dump_on_failure = 1;
@@ -101,6 +107,7 @@
 static int skipped_line;
 void skipping_setup(const char *filename, int line)
 {
+	skipped_filename = filename;
 	skipped_line = line;
 }
 void

==== //depot/projects/hammer/lib/libc/net/name6.c#24 (text+ko) ====

@@ -88,7 +88,7 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/net/name6.c,v 1.61 2006/07/26 08:35:46 yar Exp $");
+__FBSDID("$FreeBSD: src/lib/libc/net/name6.c,v 1.62 2007/07/31 16:09:41 bushman Exp $");
 
 #include "namespace.h"
 #include <sys/param.h>
@@ -118,16 +118,8 @@
 #include <unistd.h>
 #include "un-namespace.h"
 #include "netdb_private.h"
-#include "res_config.h"
 #include "res_private.h"
-#ifdef NS_CACHING
-#include "nscache.h"
-#endif
 
-#ifndef _PATH_HOSTS
-#define	_PATH_HOSTS	"/etc/hosts"
-#endif
-
 #ifndef MAXALIASES
 #define	MAXALIASES	10
 #endif
@@ -153,7 +145,7 @@
 } while (0)
 #define	MAPADDRENABLED(flags) \
 	(((flags) & AI_V4MAPPED) || \
-	 (((flags) & AI_V4MAPPED_CFG) && _mapped_addr_enabled()))
+	 (((flags) & AI_V4MAPPED_CFG)))
 
 union inx_addr {
 	struct in_addr	in_addr;
@@ -202,14 +194,11 @@
 
 static struct	 hostent *_hpcopy(struct hostent *, int *);
 static struct	 hostent *_hpaddr(int, const char *, void *, int *);
+#ifdef INET6
 static struct	 hostent *_hpmerge(struct hostent *, struct hostent *, int *);
-#ifdef INET6
 static struct	 hostent *_hpmapv6(struct hostent *, int *);
 #endif
 static struct	 hostent *_hpsort(struct hostent *, res_state);
-static struct	 hostent *_ghbyname(const char *, int, int, int *);
-static char	*_hgetword(char **);
-static int	 _mapped_addr_enabled(void);
 
 static struct	 hostent *_hpreorder(struct hostent *);
 static int	 get_addrselectpolicy(struct policyhead *);
@@ -221,325 +210,30 @@
 static int	 comp_dst(const void *, const void *);
 static int	 gai_addr2scopetype(struct sockaddr *);
 
-static FILE	*_files_open(int *);
-static int	 _files_ghbyname(void *, void *, va_list);
-static int	 _files_ghbyaddr(void *, void *, va_list);
-#ifdef YP
-static int	 _nis_ghbyname(void *, void *, va_list);
-static int	 _nis_ghbyaddr(void *, void *, va_list);
-#endif
-static int	 _dns_ghbyname(void *, void *, va_list);
-static int	 _dns_ghbyaddr(void *, void *, va_list);
-static void	 _dns_shent(int) __unused;
-static void	 _dns_ehent(void) __unused;
-#ifdef ICMPNL
-static int	 _icmp_ghbyaddr(void *, void *, va_list);
-#endif /* ICMPNL */
-#ifdef NS_CACHING
-static int ipnode_id_func(char *, size_t *, va_list, void *);
-static int ipnode_marshal_func(char *, size_t *, void *, va_list, void *);
-static int ipnode_unmarshal_func(char *, size_t, void *, va_list, void *);
-#endif
-
-/* Host lookup order if nsswitch.conf is broken or nonexistant */
-static const ns_src default_src[] = {
-	{ NSSRC_FILES, NS_SUCCESS },
-	{ NSSRC_DNS, NS_SUCCESS },
-#ifdef ICMPNL
-#define NSSRC_ICMP "icmp"
-	{ NSSRC_ICMP, NS_SUCCESS },
-#endif
-	{ 0 }
-};
-
 /*
- * Check if kernel supports mapped address.
- *	implementation dependent
+ * Functions defined in RFC2553
+ *	getipnodebyname, getipnodebyaddr, freehostent
  */
-#ifdef __KAME__
-#include <sys/sysctl.h>
-#endif /* __KAME__ */
 
-static int
-_mapped_addr_enabled(void)
+struct hostent *
+getipnodebyname(const char *name, int af, int flags, int *errp)
 {
-	/* implementation dependent check */
-#if defined(__KAME__) && defined(IPV6CTL_MAPPED_ADDR)
-	int mib[4];
-	size_t len;
-	int val;
-
-	mib[0] = CTL_NET;
-	mib[1] = PF_INET6;
-	mib[2] = IPPROTO_IPV6;
-	mib[3] = IPV6CTL_MAPPED_ADDR;
-	len = sizeof(val);
-	if (sysctl(mib, 4, &val, &len, 0, 0) == 0 && val != 0)
-		return 1;
-#endif /* __KAME__ && IPV6CTL_MAPPED_ADDR */
-	return 0;
-}
-
-#ifdef NS_CACHING
-static int
-ipnode_id_func(char *buffer, size_t *buffer_size, va_list ap,
-    void *cache_mdata)
-{
+	struct hostent *hp;
+	union inx_addr addrbuf;
 	res_state statp;
-	u_long res_options;
+	u_long options;
 
-	const int op_id = 2;
-	char *name;
-	int af;
-	size_t len;
-	void *src;
-
-	char *p;
-	size_t desired_size, size;
-	enum nss_lookup_type lookup_type;
-	int res = NS_UNAVAIL;
-
-	statp = __res_state();
-	res_options = statp->options & (RES_RECURSE | RES_DEFNAMES |
-	    RES_DNSRCH | RES_NOALIASES | RES_USE_INET6);
-
-	lookup_type = (enum nss_lookup_type)cache_mdata;
-	switch (lookup_type) {
-	case nss_lt_name:
-		name = va_arg(ap, char *);
-		af = va_arg(ap, int);
-
-		size = strlen(name);
-		desired_size = sizeof(res_options) + sizeof(int) +
-		    sizeof(enum nss_lookup_type) + sizeof(int) + size + 1;
-
-		if (desired_size > *buffer_size) {
-			res = NS_RETURN;
-			goto fin;
-		}
-
-		p = buffer;
-		memcpy(p, &res_options, sizeof(res_options));
-		p += sizeof(res_options);
-
-		memcpy(p, &op_id, sizeof(int));
-		p += sizeof(int);
-
-		memcpy(p, &lookup_type, sizeof(enum nss_lookup_type));
-		p += sizeof(enum nss_lookup_type);
-
-		memcpy(p, &af, sizeof(int));
-		p += sizeof(int);
-
-		memcpy(p, name, size + 1);
-
-		res = NS_SUCCESS;
+	switch (af) {
+	case AF_INET:
+#ifdef INET6
+	case AF_INET6:
+#endif
 		break;
-	case nss_lt_id:
-		src = va_arg(ap, void *);
-		len = va_arg(ap, size_t);
-		af = va_arg(ap, int);
-
-		desired_size = sizeof(res_options) + sizeof(int) +
-		    sizeof(enum nss_lookup_type) + sizeof(int) +
-		    sizeof(size_t) + len;
-
-		if (desired_size > *buffer_size) {
-			res = NS_RETURN;
-			goto fin;
-		}
-
-		p = buffer;
-		memcpy(p, &res_options, sizeof(res_options));
-		p += sizeof(res_options);
-
-		memcpy(p, &op_id, sizeof(int));
-		p += sizeof(int);
-
-		memcpy(p, &lookup_type, sizeof(enum nss_lookup_type));
-		p += sizeof(enum nss_lookup_type);
-
-		memcpy(p, &af, sizeof(int));
-		p += sizeof(int);
-
-		memcpy(p, &len, sizeof(size_t));
-		p += sizeof(size_t);
-
-		memcpy(p, src, len);
-
-		res = NS_SUCCESS;
-		break;
 	default:
-		/* should be unreachable */
-		return (NS_UNAVAIL);
-	}
-
-fin:
-	*buffer_size = desired_size;
-	return (res);
-}
-
-static int
-ipnode_marshal_func(char *buffer, size_t *buffer_size, void *retval,
-    va_list ap, void *cache_mdata)
-{
-	struct hostent *ht;
-
-	struct hostent new_ht;
-	size_t desired_size, aliases_size, addr_size, size;
-	char *p, **iter;
-
-	ht = *((struct hostent **)retval);
-
-	desired_size = _ALIGNBYTES + sizeof(struct hostent) + sizeof(char *);
-	if (ht->h_name != NULL)
-		desired_size += strlen(ht->h_name) + 1;
-
-	if (ht->h_aliases != NULL) {
-		aliases_size = 0;
-		for (iter = ht->h_aliases; *iter; ++iter) {
-			desired_size += strlen(*iter) + 1;
-			++aliases_size;
-		}
-
-		desired_size += _ALIGNBYTES +
-		    (aliases_size + 1) * sizeof(char *);
-	}
-
-	if (ht->h_addr_list != NULL) {
-		addr_size = 0;
-		for (iter = ht->h_addr_list; *iter; ++iter)
-			++addr_size;
-
-		desired_size += addr_size * _ALIGN(ht->h_length);
-		desired_size += _ALIGNBYTES + (addr_size + 1) * sizeof(char *);
-	}
-
-	if (desired_size > *buffer_size) {
-		/* this assignment is here for future use */
-		*buffer_size = desired_size;
-		return (NS_RETURN);
-	}
-
-	memcpy(&new_ht, ht, sizeof(struct hostent));
-	memset(buffer, 0, desired_size);
-
-	*buffer_size = desired_size;
-	p = buffer + sizeof(struct hostent) + sizeof(char *);
-	memcpy(buffer + sizeof(struct hostent), &p, sizeof(char *));
-	p = (char *)_ALIGN(p);
-
-	if (new_ht.h_name != NULL) {
-		size = strlen(new_ht.h_name);
-		memcpy(p, new_ht.h_name, size);
-		new_ht.h_name = p;
-		p += size + 1;
-	}
-
-	if (new_ht.h_aliases != NULL) {
-		p = (char *)_ALIGN(p);
-		memcpy(p, new_ht.h_aliases, sizeof(char *) * aliases_size);
-		new_ht.h_aliases = (char **)p;
-		p += sizeof(char *) * (aliases_size + 1);
-
-		for (iter = new_ht.h_aliases; *iter; ++iter) {
-			size = strlen(*iter);
-			memcpy(p, *iter, size);
-			*iter = p;
-			p += size + 1;
-		}
-	}
-
-	if (new_ht.h_addr_list != NULL) {
-		p = (char *)_ALIGN(p);
-		memcpy(p, new_ht.h_addr_list, sizeof(char *) * addr_size);
-		new_ht.h_addr_list = (char **)p;
-		p += sizeof(char *) * (addr_size + 1);
-
-		size = _ALIGN(new_ht.h_length);
-		for (iter = new_ht.h_addr_list; *iter; ++iter) {
-			memcpy(p, *iter, size);
-			*iter = p;
-			p += size + 1;
-		}
+		*errp = NO_RECOVERY;
+		return NULL;
 	}
-	memcpy(buffer, &new_ht, sizeof(struct hostent));
-	return (NS_SUCCESS);
-}
 
-static int
-ipnode_unmarshal_func(char *buffer, size_t buffer_size, void *retval,
-    va_list ap, void *cache_mdata)
-{
-	struct hostent new_ht;
-	struct hostent *ht;
-
-	char *p;
-	char **iter;
-	char *orig_buf;
-	int err;
-
-	ht = &new_ht;
-
-	memcpy(ht, buffer, sizeof(struct hostent));
-	memcpy(&p, buffer + sizeof(struct hostent), sizeof(char *));
-
-	orig_buf = buffer + sizeof(struct hostent) + sizeof(char *) +
-	    _ALIGN(p) - (size_t)p;
-	p = (char *)_ALIGN(p);
-
-
-	NS_APPLY_OFFSET(ht->h_name, orig_buf, p, char *);
-	if (ht->h_aliases != NULL) {
-		NS_APPLY_OFFSET(ht->h_aliases, orig_buf, p, char **);
-
-		for (iter = ht->h_aliases; *iter; ++iter)
-			NS_APPLY_OFFSET(*iter, orig_buf, p, char *);
-	}
-
-	if (ht->h_addr_list != NULL) {
-		NS_APPLY_OFFSET(ht->h_addr_list, orig_buf, p, char **);
-
-		for (iter = ht->h_addr_list; *iter; ++iter)
-			NS_APPLY_OFFSET(*iter, orig_buf, p, char *);
-	}
-
-	ht = _hpcopy(ht, &err);
-	if (ht == NULL)
-		return (NS_UNAVAIL);
-
-	*((struct hostent **)retval) = ht;
-	return (NS_SUCCESS);
-}
-#endif
-
-/*
- * Functions defined in RFC2553
- *	getipnodebyname, getipnodebyaddr, freehostent
- */
-
-static struct hostent *
-_ghbyname(const char *name, int af, int flags, int *errp)
-{
-	struct hostent *hp;
-	int rval;
-
-#ifdef NS_CACHING
-	static const nss_cache_info cache_info =
-	NS_COMMON_CACHE_INFO_INITIALIZER(
-		hosts, (void *)nss_lt_name,
-		ipnode_id_func, ipnode_marshal_func, ipnode_unmarshal_func);
-#endif
-	static const ns_dtab dtab[] = {
-		NS_FILES_CB(_files_ghbyname, NULL)
-		{ NSSRC_DNS, _dns_ghbyname, NULL },
-		NS_NIS_CB(_nis_ghbyname, NULL)
-#ifdef NS_CACHING
-		NS_CACHE_CB(&cache_info)
-#endif
-		{ 0 }
-	};
-
 	if (flags & AI_ADDRCONFIG) {
 		int s;
 
@@ -554,31 +248,8 @@
 		 */
 		_close(s);
 	}
-
-	rval = _nsdispatch(&hp, dtab, NSDB_HOSTS, "ghbyname", default_src,
-			  name, af, errp);
-	return (rval == NS_SUCCESS) ? hp : NULL;
-}
-
-struct hostent *
-getipnodebyname(const char *name, int af, int flags, int *errp)
-{
-	struct hostent *hp;
-	union inx_addr addrbuf;
-	res_state statp;
-
-	switch (af) {
-	case AF_INET:
+	
 #ifdef INET6
-	case AF_INET6:
-#endif
-		break;
-	default:
-		*errp = NO_RECOVERY;
-		return NULL;
-	}
-
-#ifdef INET6
 	/* special case for literal address */
 	if (inet_pton(AF_INET6, name, &addrbuf) == 1) {
 		if (af != AF_INET6) {
@@ -600,6 +271,7 @@
 		return _hpaddr(af, name, &addrbuf, errp);
 	}
 
+
 	statp = __res_state();
 	if ((statp->options & RES_INIT) == 0) {
 		if (res_ninit(statp) < 0) {
@@ -607,25 +279,36 @@
 			return NULL;
 		}
 	}
+	
+	options = statp->options;
+	statp->options &= ~RES_USE_INET6;
+	
+	hp = gethostbyname2(name, af);
+	hp = _hpcopy(hp, errp);
 
-	*errp = HOST_NOT_FOUND;
-	hp = _ghbyname(name, af, flags, errp);
-
 #ifdef INET6
 	if (af == AF_INET6 && ((flags & AI_ALL) || hp == NULL) &&
 	    MAPADDRENABLED(flags)) {
-		struct hostent *hp2 = _ghbyname(name, AF_INET, flags, errp);
+		struct hostent *hp2 = gethostbyname2(name, AF_INET);
 		if (hp == NULL)
-			hp = _hpmapv6(hp2, errp);
+			if (hp2 == NULL)
+				*errp = statp->res_h_errno;
+			else
+				hp = _hpmapv6(hp2, errp);
 		else {
-			if (hp2 && strcmp(hp->h_name, hp2->h_name) != 0) {
-				freehostent(hp2);
-				hp2 = NULL;
+			if (hp2 && strcmp(hp->h_name, hp2->h_name) == 0) {
+				struct hostent *hpb = hp;
+				hp = _hpmerge(hpb, hp2, errp);
+				freehostent(hpb);
 			}
-			hp = _hpmerge(hp, hp2, errp);
 		}
 	}
 #endif
+	
+	if (hp == NULL)
+		*errp = statp->res_h_errno;
+	
+	statp->options = options;
 	return _hpreorder(_hpsort(hp, statp));
 }
 
@@ -633,34 +316,15 @@
 getipnodebyaddr(const void *src, size_t len, int af, int *errp)
 {
 	struct hostent *hp;
-	int rval;
+	res_state statp;
+	u_long options;
+	
 #ifdef INET6
 	struct in6_addr addrbuf;
 #else
 	struct in_addr addrbuf;
 #endif
-
-#ifdef NS_CACHING
-	static const nss_cache_info cache_info =
-	NS_COMMON_CACHE_INFO_INITIALIZER(
-		hosts, (void *)nss_lt_id,
-		ipnode_id_func, ipnode_marshal_func, ipnode_unmarshal_func);
-#endif
-	static const ns_dtab dtab[] = {
-		NS_FILES_CB(_files_ghbyaddr, NULL)
-		{ NSSRC_DNS, _dns_ghbyaddr, NULL },
-		NS_NIS_CB(_nis_ghbyaddr, NULL)
-#ifdef ICMPNL
-		{ NSSRC_ICMP, _icmp_ghbyaddr, NULL },
-#endif
-#ifdef NS_CACHING
-		NS_CACHE_CB(&cache_info)
-#endif
-		{ 0 }
-	};
-
-	*errp = HOST_NOT_FOUND;
-
+	
 	switch (af) {
 	case AF_INET:
 		if (len != sizeof(struct in_addr)) {
@@ -700,9 +364,23 @@
 		return NULL;
 	}
 
-	rval = _nsdispatch(&hp, dtab, NSDB_HOSTS, "ghbyaddr", default_src,
-			  src, len, af, errp);
-	return (rval == NS_SUCCESS) ? hp : NULL;
+	statp = __res_state();
+	if ((statp->options & RES_INIT) == 0) {
+		if (res_ninit(statp) < 0) {
+			RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
+			return NULL;
+		}
+	}
+	
+	options = statp->options;
+	statp->options &= ~RES_USE_INET6;
+
+	hp = gethostbyaddr(src, len, af);
+	if (hp == NULL)
+		*errp = statp->res_h_errno;
+	
+	statp->options = options;	
+	return (_hpcopy(hp, errp));
 }
 
 void
@@ -811,9 +489,10 @@
 	hp->h_addr_list = addrs;
 	addrs[0] = (char *)addr;
 	addrs[1] = NULL;
-	return _hpcopy(hp, errp);
+	return (_hpcopy(hp, errp));
 }
 
+#ifdef INET6
 /*
  * _hpmerge: merge 2 hostent structure, arguments will be freed
  */
@@ -828,9 +507,9 @@
 	union inx_addr addrbuf[MAXADDRS];
 
 	if (hp1 == NULL)
-		return hp2;
+		return _hpcopy(hp2, errp);
 	if (hp2 == NULL)
-		return hp1;
+		return _hpcopy(hp1, errp);
 
 #define	HP(i)	(i == 1 ? hp1 : hp2)
 	hp = &hpbuf;
@@ -850,17 +529,14 @@
 		}
 	}
 	aliases[nalias] = NULL;
-#ifdef INET6
 	if (hp1->h_length != hp2->h_length) {
 		hp->h_addrtype = AF_INET6;
 		hp->h_length = sizeof(struct in6_addr);
 	} else {
-#endif
 		hp->h_addrtype = hp1->h_addrtype;
 		hp->h_length = hp1->h_length;
-#ifdef INET6
 	}
-#endif
+
 	hp->h_addr_list = addrs;
 	naddr = 0;
 	for (i = 1; i <= 2; i++) {
@@ -879,11 +555,9 @@
 		}
 	}
 	addrs[naddr] = NULL;
-	hp = _hpcopy(hp, errp);
-	freehostent(hp1);
-	freehostent(hp2);
-	return hp;
+	return (_hpcopy(hp, errp));
 }
+#endif
 
 /*
  * _hpmapv6: convert IPv4 hostent into IPv4-mapped IPv6 addresses
@@ -892,24 +566,17 @@
 static struct hostent *
 _hpmapv6(struct hostent *hp, int *errp)
 {
-	struct hostent *hp6;
+	struct hostent hp6;
 
 	if (hp == NULL)
 		return NULL;
 	if (hp->h_addrtype == AF_INET6)
-		return hp;
+		return _hpcopy(hp, errp);
 
-	/* make dummy hostent to convert IPv6 address */
-	if ((hp6 = (struct hostent *)malloc(sizeof(struct hostent))) == NULL) {
-		*errp = TRY_AGAIN;
-		return NULL;
-	}
-	hp6->h_name = NULL;
-	hp6->h_aliases = NULL;
-	hp6->h_addrtype = AF_INET6;
-	hp6->h_length = sizeof(struct in6_addr);
-	hp6->h_addr_list = NULL;
-	return _hpmerge(hp6, hp, errp);
+	memset(&hp6, 0, sizeof(struct hostent));
+	hp6.h_addrtype = AF_INET6;
+	hp6.h_length = sizeof(struct in6_addr);
+	return _hpmerge(&hp6, hp, errp);
 }
 #endif
 
@@ -965,37 +632,6 @@
 	return hp;
 }
 
-static char *
-_hgetword(char **pp)
-{
-	char c, *p, *ret;
-	const char *sp;
-	static const char sep[] = "# \t\n";
-
-	ret = NULL;
-	for (p = *pp; (c = *p) != '\0'; p++) {
-		for (sp = sep; *sp != '\0'; sp++) {
-			if (c == *sp)
-				break;
-		}
-		if (c == '#')
-			p[1] = '\0';	/* ignore rest of line */
-		if (ret == NULL) {
-			if (*sp == '\0')
-				ret = p;
-		} else {
-			if (*sp != '\0') {
-				*p++ = '\0';
-				break;
-			}
-		}
-	}
-	*pp = p;
-	if (ret == NULL || *ret == '\0')
-		return NULL;
-	return ret;
-}
-
 /*
  * _hpreorder: sort address by default address selection
  */
@@ -1475,954 +1111,3 @@
 		return(-1);
 	}
 }
-
-/*
- * FILES (/etc/hosts)
- */
-
-static FILE *
-_files_open(int *errp)
-{
-	FILE *fp;
-	fp = fopen(_PATH_HOSTS, "r");
-	if (fp == NULL)
-		*errp = NO_RECOVERY;
-	return fp;
-}
-
-static int
-_files_ghbyname(void *rval, void *cb_data, va_list ap)
-{
-	const char *name;
-	int af;
-	int *errp;
-	int match, nalias;
-	char *p, *line, *addrstr, *cname;
-	FILE *fp;
-	struct hostent *rethp, *hp, hpbuf;
-	char *aliases[MAXALIASES + 1], *addrs[2];
-	union inx_addr addrbuf;
-	char buf[BUFSIZ];
-
-	name = va_arg(ap, const char *);
-	af = va_arg(ap, int);
-	errp = va_arg(ap, int *);
-
-	*(struct hostent **)rval = NULL;
-
-	if ((fp = _files_open(errp)) == NULL)
-		return NS_UNAVAIL;
-	rethp = hp = NULL;
-
-	while (fgets(buf, sizeof(buf), fp)) {
-		line = buf;
-		if ((addrstr = _hgetword(&line)) == NULL
-		||  (cname = _hgetword(&line)) == NULL)
-			continue;
-		match = (strcasecmp(cname, name) == 0);
-		nalias = 0;
-		while ((p = _hgetword(&line)) != NULL) {
-			if (!match)
-				match = (strcasecmp(p, name) == 0);
-			if (nalias < MAXALIASES)
-				aliases[nalias++] = p;
-		}
-		if (!match)
-			continue;
-		switch (af) {
-		case AF_INET:
-			if (inet_aton(addrstr, (struct in_addr *)&addrbuf)
-			    != 1) {
-				*errp = NO_DATA;	/* name found */
-				continue;
-			}
-			break;
-#ifdef INET6
-		case AF_INET6:
-			if (inet_pton(af, addrstr, &addrbuf) != 1) {
-				*errp = NO_DATA;	/* name found */
-				continue;
-			}
-			break;
-#endif
-		}
-		hp = &hpbuf;
-		hp->h_name = cname;
-		hp->h_aliases = aliases;
-		aliases[nalias] = NULL;
-		hp->h_addrtype = af;
-		hp->h_length = ADDRLEN(af);
-		hp->h_addr_list = addrs;
-		addrs[0] = (char *)&addrbuf;
-		addrs[1] = NULL;
-		hp = _hpcopy(hp, errp);
-		rethp = _hpmerge(rethp, hp, errp);
-	}
-	fclose(fp);
-	*(struct hostent **)rval = rethp;
-	return (rethp != NULL) ? NS_SUCCESS : NS_NOTFOUND;
-}
-
-static int
-_files_ghbyaddr(void *rval, void *cb_data, va_list ap)
-{
-	const void *addr;
-	int addrlen;
-	int af;
-	int *errp;
-	int nalias;
-	char *p, *line;
-	FILE *fp;
-	struct hostent *hp, hpbuf;
-	char *aliases[MAXALIASES + 1], *addrs[2];
-	union inx_addr addrbuf;
-	char buf[BUFSIZ];
-
-	addr = va_arg(ap, const void *);
-	addrlen = va_arg(ap, int);
-	af = va_arg(ap, int);
-	errp = va_arg(ap, int *);
-
-	*(struct hostent**)rval = NULL;
-
-	if ((fp = _files_open(errp)) == NULL)
-		return NS_UNAVAIL;
-	hp = NULL;
-	while (fgets(buf, sizeof(buf), fp)) {
-		line = buf;
-		if ((p = _hgetword(&line)) == NULL
-		||  (af == AF_INET
-		     ? inet_aton(p, (struct in_addr *)&addrbuf)
-		     : inet_pton(af, p, &addrbuf)) != 1
-		||  memcmp(addr, &addrbuf, addrlen) != 0
-		||  (p = _hgetword(&line)) == NULL)
-			continue;
-		hp = &hpbuf;
-		hp->h_name = p;
-		hp->h_aliases = aliases;
-		nalias = 0;
-		while ((p = _hgetword(&line)) != NULL) {
-			if (nalias < MAXALIASES)
-				aliases[nalias++] = p;
-		}
-		aliases[nalias] = NULL;
-		hp->h_addrtype = af;
-		hp->h_length = addrlen;
-		hp->h_addr_list = addrs;
-		addrs[0] = (char *)&addrbuf;
-		addrs[1] = NULL;
-		hp = _hpcopy(hp, errp);
-		break;
-	}
-	fclose(fp);
-	*(struct hostent **)rval = hp;
-	return (hp != NULL) ? NS_SUCCESS : NS_NOTFOUND;
-}
-
-#ifdef YP
-/*
- * NIS
- *
- * XXX actually a hack.
- */
-static int
-_nis_ghbyname(void *rval, void *cb_data, va_list ap)
-{
-	const char *name;
-	int af;
-	int *errp;
-	struct hostent *hp = NULL;
-
-	name = va_arg(ap, const char *);
-	af = va_arg(ap, int);
-	errp = va_arg(ap, int *);
-
-	hp = _gethostbynisname(name, af);
-	if (hp != NULL)
-		hp = _hpcopy(hp, errp);
-
-	*(struct hostent **)rval = hp;
-	return (hp != NULL) ? NS_SUCCESS : NS_NOTFOUND;
-}
-
-static int
-_nis_ghbyaddr(void *rval, void *cb_data, va_list ap)
-{
-	const void *addr;
-	int addrlen;
-	int af;
-	int *errp;
-	struct hostent *hp = NULL;
-
-	addr = va_arg(ap, const void *);
-	addrlen = va_arg(ap, int);
-	af = va_arg(ap, int);
-
-	hp = _gethostbynisaddr(addr, addrlen, af);
-	if (hp != NULL)
-		hp = _hpcopy(hp, errp);
-	*(struct hostent **)rval = hp;
-	return (hp != NULL) ? NS_SUCCESS : NS_NOTFOUND;
-}
-#endif
-
-#define	MAXPACKET	(64*1024)
-
-typedef union {
-	HEADER hdr;
-	u_char buf[MAXPACKET];
-} querybuf;
-
-static struct hostent *getanswer(const querybuf *, int, const char *, int,
-	    struct hostent *, int *);
-
-/*
- * we don't need to take care about sorting, nor IPv4 mapped address here.
- */
-static struct hostent *

>>> TRUNCATED FOR MAIL (1000 lines) <<<


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