Module Name:    src
Committed By:   christos
Date:           Thu Sep 28 17:21:42 UTC 2017

Modified Files:
        src/sys/netipsec: ipsec.c key.c key_debug.c key_debug.h keysock.c

Log Message:
- sanitize key debugging so that we don't print extra newlines or unassociated
  debugging messages.
- remove unused functions and make internal ones static
- print information in one line per message


To generate a diff of this commit:
cvs rdiff -u -r1.119 -r1.120 src/sys/netipsec/ipsec.c
cvs rdiff -u -r1.227 -r1.228 src/sys/netipsec/key.c
cvs rdiff -u -r1.20 -r1.21 src/sys/netipsec/key_debug.c
cvs rdiff -u -r1.8 -r1.9 src/sys/netipsec/key_debug.h
cvs rdiff -u -r1.61 -r1.62 src/sys/netipsec/keysock.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/netipsec/ipsec.c
diff -u src/sys/netipsec/ipsec.c:1.119 src/sys/netipsec/ipsec.c:1.120
--- src/sys/netipsec/ipsec.c:1.119	Mon Sep 18 22:44:14 2017
+++ src/sys/netipsec/ipsec.c	Thu Sep 28 13:21:42 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: ipsec.c,v 1.119 2017/09/19 02:44:14 ozaki-r Exp $	*/
+/*	$NetBSD: ipsec.c,v 1.120 2017/09/28 17:21:42 christos Exp $	*/
 /*	$FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/netipsec/ipsec.c,v 1.2.2.2 2003/07/01 01:38:13 sam Exp $	*/
 /*	$KAME: ipsec.c,v 1.103 2001/05/24 07:14:18 sakane Exp $	*/
 
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ipsec.c,v 1.119 2017/09/19 02:44:14 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ipsec.c,v 1.120 2017/09/28 17:21:42 christos Exp $");
 
 /*
  * IPsec controller part.
@@ -1132,8 +1132,7 @@ ipsec6_get_ulp(struct mbuf *m, struct se
 	KASSERT(m != NULL);
 
 	if (KEYDEBUG_ON(KEYDEBUG_IPSEC_DUMP)) {
-		printf("%s:\n", __func__);
-		kdebug_mbuf(m);
+		kdebug_mbuf(__func__, m);
 	}
 
 	/* set default */
@@ -1375,8 +1374,7 @@ ipsec_set_policy(
 	xpl = (const struct sadb_x_policy *)request;
 
 	if (KEYDEBUG_ON(KEYDEBUG_IPSEC_DUMP)) {
-		printf("%s: passed policy\n", __func__);
-		kdebug_sadb_x_policy((const struct sadb_ext *)xpl);
+		kdebug_sadb_xpolicy("set passed policy", request);
 	}
 
 	/* check policy type */
@@ -1431,8 +1429,7 @@ ipsec_get_policy(struct secpolicy *polic
 
 	(*mp)->m_type = MT_DATA;
 	if (KEYDEBUG_ON(KEYDEBUG_IPSEC_DUMP)) {
-		printf("%s:\n", __func__);
-		kdebug_mbuf(*mp);
+		kdebug_mbuf(__func__, *mp);
 	}
 
 	return 0;

Index: src/sys/netipsec/key.c
diff -u src/sys/netipsec/key.c:1.227 src/sys/netipsec/key.c:1.228
--- src/sys/netipsec/key.c:1.227	Wed Sep 27 05:55:52 2017
+++ src/sys/netipsec/key.c	Thu Sep 28 13:21:42 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: key.c,v 1.227 2017/09/27 09:55:52 ozaki-r Exp $	*/
+/*	$NetBSD: key.c,v 1.228 2017/09/28 17:21:42 christos Exp $	*/
 /*	$FreeBSD: src/sys/netipsec/key.c,v 1.3.2.3 2004/02/14 22:23:23 bms Exp $	*/
 /*	$KAME: key.c,v 1.191 2001/06/27 10:46:49 sakane Exp $	*/
 
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: key.c,v 1.227 2017/09/27 09:55:52 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: key.c,v 1.228 2017/09/28 17:21:42 christos Exp $");
 
 /*
  * This code is referd to RFC 2367
@@ -881,15 +881,13 @@ key_lookup_sp_byspidx(const struct secpo
 
 	/* get a SP entry */
 	if (KEYDEBUG_ON(KEYDEBUG_IPSEC_DATA)) {
-		printf("*** objects\n");
-		kdebug_secpolicyindex(spidx);
+		kdebug_secpolicyindex("objects", spidx);
 	}
 
 	s = pserialize_read_enter();
 	SPLIST_READER_FOREACH(sp, dir) {
 		if (KEYDEBUG_ON(KEYDEBUG_IPSEC_DATA)) {
-			printf("*** in SPD\n");
-			kdebug_secpolicyindex(&sp->spidx);
+			kdebug_secpolicyindex("in SPD", &sp->spidx);
 		}
 
 		if (sp->state == IPSEC_SPSTATE_DEAD)
@@ -7680,8 +7678,7 @@ key_parse(struct mbuf *m, struct socket 
 
 #if 0	/*kdebug_sadb assumes msg in linear buffer*/
 	if (KEYDEBUG_ON(KEYDEBUG_KEY_DUMP)) {
-		IPSECLOG(LOG_DEBUG, "passed sadb_msg\n");
-		kdebug_sadb(msg);
+		kdebug_sadb("passed sadb_msg", msg);
 	}
 #endif
 

Index: src/sys/netipsec/key_debug.c
diff -u src/sys/netipsec/key_debug.c:1.20 src/sys/netipsec/key_debug.c:1.21
--- src/sys/netipsec/key_debug.c:1.20	Tue Aug  8 04:23:10 2017
+++ src/sys/netipsec/key_debug.c	Thu Sep 28 13:21:42 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: key_debug.c,v 1.20 2017/08/08 08:23:10 ozaki-r Exp $	*/
+/*	$NetBSD: key_debug.c,v 1.21 2017/09/28 17:21:42 christos Exp $	*/
 /*	$FreeBSD: src/sys/netipsec/key_debug.c,v 1.1.4.1 2003/01/24 05:11:36 sam Exp $	*/
 /*	$KAME: key_debug.c,v 1.26 2001/06/27 10:46:50 sakane Exp $	*/
 
@@ -33,7 +33,7 @@
 
 #ifdef _KERNEL
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: key_debug.c,v 1.20 2017/08/08 08:23:10 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: key_debug.c,v 1.21 2017/09/28 17:21:42 christos Exp $");
 #endif
 
 #if defined(_KERNEL_OPT)
@@ -62,27 +62,38 @@ __KERNEL_RCSID(0, "$NetBSD: key_debug.c,
 #include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <err.h>
 #endif /* !_KERNEL */
 
-static void kdebug_sadb_prop (const struct sadb_ext *);
-static void kdebug_sadb_identity (const struct sadb_ext *);
-static void kdebug_sadb_supported (const struct sadb_ext *);
-static void kdebug_sadb_lifetime (const struct sadb_ext *);
-static void kdebug_sadb_sa (const struct sadb_ext *);
-static void kdebug_sadb_address (const struct sadb_ext *);
-static void kdebug_sadb_key (const struct sadb_ext *);
-static void kdebug_sadb_x_sa2 (const struct sadb_ext *);
+static void kdebug_sadb_prop(const struct sadb_ext *);
+static void kdebug_sadb_identity(const struct sadb_ext *);
+static void kdebug_sadb_supported(const struct sadb_ext *);
+static void kdebug_sadb_lifetime(const struct sadb_ext *);
+static void kdebug_sadb_sa(const struct sadb_ext *);
+static void kdebug_sadb_address(const struct sadb_ext *);
+static void kdebug_sadb_key(const struct sadb_ext *);
+static void kdebug_sadb_x_sa2(const struct sadb_ext *);
+static void kdebug_sadb_x_policy(const struct sadb_ext *);
+
+static void kdebug__secpolicyindex(const struct secpolicyindex *);
+
+static void kdebug_hexdump(const char *, const void *, size_t);
+static void kdebug_sockaddr(const struct sockaddr *);
+static void kdebug_secasindex(const struct secasindex *);
+static void kdebug_mbufhdr(const struct mbuf *);
 
 #ifdef _KERNEL
-static void kdebug_secreplay (const struct secreplay *);
+#if 0
+static void kdebug_secasv(const struct secasvar *);
+static void kdebug_secreplay(const struct secreplay *);
+#endif
 #endif
 
 #ifndef _KERNEL
-#define panic(param)	{ printf(param); exit(-1); }
+#define panic(...)	err(EXIT_FAILURE, __VA_ARGS__)
 #endif
 
 /* NOTE: host byte order */
-
 /* %%%: about struct sadb_msg */
 void
 kdebug_sadb(const struct sadb_msg *base)
@@ -92,30 +103,27 @@ kdebug_sadb(const struct sadb_msg *base)
 
 	/* sanity check */
 	if (base == NULL)
-		panic("kdebug_sadb: NULL pointer was passed");
+		panic("%s: NULL pointer was passed", __func__);
 
-	printf("sadb_msg{ version=%u type=%u errno=%u satype=%u\n",
+	printf("sadb { version=%u type=%u errno=%u satype=%u",
 	    base->sadb_msg_version, base->sadb_msg_type,
 	    base->sadb_msg_errno, base->sadb_msg_satype);
-	printf("  len=%u reserved=%u seq=%u pid=%u\n",
+	printf(" len=%u reserved=%u seq=%u pid=%u",
 	    base->sadb_msg_len, base->sadb_msg_reserved,
 	    base->sadb_msg_seq, base->sadb_msg_pid);
 
 	tlen = PFKEY_UNUNIT64(base->sadb_msg_len) - sizeof(struct sadb_msg);
-	ext = (const struct sadb_ext *)((const char *)base + sizeof(struct sadb_msg));
+	ext = (const void *)(base + 1);
 
 	while (tlen > 0) {
-		printf("sadb_ext{ len=%u type=%u }\n",
+		if (ext->sadb_ext_len == 0 || ext->sadb_ext_len > tlen) {
+			panic("%s: invalid ext_len=%d tlen=%d was passed",
+			    __func__, ext->sadb_ext_len, tlen);
+		}
+
+		printf(" sadb_ext { len=%u type=%u }",
 		    PFKEY_UNUNIT64(ext->sadb_ext_len), ext->sadb_ext_type);
 
-		if (ext->sadb_ext_len == 0) {
-			printf("kdebug_sadb: invalid ext_len=0 was passed.\n");
-			return;
-		}
-		if (ext->sadb_ext_len > tlen) {
-			printf("kdebug_sadb: ext_len exceeds end of buffer.\n");
-			return;
-		}
 
 		switch (ext->sadb_ext_type) {
 		case SADB_EXT_SA:
@@ -158,17 +166,15 @@ kdebug_sadb(const struct sadb_msg *base)
 			kdebug_sadb_x_sa2(ext);
 			break;
 		default:
-			printf("kdebug_sadb: invalid ext_type %u was passed.\n",
-			    ext->sadb_ext_type);
-			return;
+			panic("%s: invalid ext_type %u was passed",
+			    __func__, ext->sadb_ext_type);
 		}
 
 		extlen = PFKEY_UNUNIT64(ext->sadb_ext_len);
 		tlen -= extlen;
-		ext = (const struct sadb_ext *)((const char *)ext + extlen);
+		ext = (const void *)((const char *)ext + extlen);
 	}
-
-	return;
+	printf("\n");
 }
 
 static void
@@ -180,42 +186,42 @@ kdebug_sadb_prop(const struct sadb_ext *
 
 	/* sanity check */
 	if (ext == NULL)
-		panic("kdebug_sadb_prop: NULL pointer was passed");
+		panic("%s: NULL pointer was passed", __func__);
 
 	len = (PFKEY_UNUNIT64(prop->sadb_prop_len) - sizeof(*prop))
 		/ sizeof(*comb);
-	comb = (const struct sadb_comb *)(prop + 1);
-	printf("sadb_prop{ replay=%u\n", prop->sadb_prop_replay);
+	comb = (const void *)(prop + 1);
+	printf(" sadb_prop { replay=%u", prop->sadb_prop_replay);
 
 	while (len--) {
-		printf("sadb_comb{ auth=%u encrypt=%u "
-			"flags=0x%04x reserved=0x%08x\n",
-			comb->sadb_comb_auth, comb->sadb_comb_encrypt,
-			comb->sadb_comb_flags, comb->sadb_comb_reserved);
-
-		printf("  auth_minbits=%u auth_maxbits=%u "
-			"encrypt_minbits=%u encrypt_maxbits=%u\n",
-			comb->sadb_comb_auth_minbits,
-			comb->sadb_comb_auth_maxbits,
-			comb->sadb_comb_encrypt_minbits,
-			comb->sadb_comb_encrypt_maxbits);
-
-		printf("  soft_alloc=%u hard_alloc=%u "
-			"soft_bytes=%lu hard_bytes=%lu\n",
-			comb->sadb_comb_soft_allocations,
-			comb->sadb_comb_hard_allocations,
-			(unsigned long)comb->sadb_comb_soft_bytes,
-			(unsigned long)comb->sadb_comb_hard_bytes);
-
-		printf("  soft_alloc=%lu hard_alloc=%lu "
-			"soft_bytes=%lu hard_bytes=%lu }\n",
-			(unsigned long)comb->sadb_comb_soft_addtime,
-			(unsigned long)comb->sadb_comb_hard_addtime,
-			(unsigned long)comb->sadb_comb_soft_usetime,
-			(unsigned long)comb->sadb_comb_hard_usetime);
+		printf(" sadb_comb { auth=%u encrypt=%u"
+		    "flags=%#04x reserved=%#08x ",
+		    comb->sadb_comb_auth, comb->sadb_comb_encrypt,
+		    comb->sadb_comb_flags, comb->sadb_comb_reserved);
+
+		printf(" auth_minbits=%u auth_maxbits=%u"
+		    "encrypt_minbits=%u encrypt_maxbits=%u",
+		    comb->sadb_comb_auth_minbits,
+		    comb->sadb_comb_auth_maxbits,
+		    comb->sadb_comb_encrypt_minbits,
+		    comb->sadb_comb_encrypt_maxbits);
+
+		printf(" soft_alloc=%u hard_alloc=%u"
+		    "soft_bytes=%lu hard_bytes=%lu",
+		    comb->sadb_comb_soft_allocations,
+		    comb->sadb_comb_hard_allocations,
+		    (unsigned long)comb->sadb_comb_soft_bytes,
+		    (unsigned long)comb->sadb_comb_hard_bytes);
+
+		printf(" soft_alloc=%lu hard_alloc=%lu"
+		    "soft_bytes=%lu hard_bytes=%lu }",
+		    (unsigned long)comb->sadb_comb_soft_addtime,
+		    (unsigned long)comb->sadb_comb_hard_addtime,
+		    (unsigned long)comb->sadb_comb_soft_usetime,
+		    (unsigned long)comb->sadb_comb_hard_usetime);
 		comb++;
 	}
-	printf("}\n");
+	printf(" }");
 
 	return;
 }
@@ -228,38 +234,22 @@ kdebug_sadb_identity(const struct sadb_e
 
 	/* sanity check */
 	if (ext == NULL)
-		panic("kdebug_sadb_identity: NULL pointer was passed");
+		panic("%s: NULL pointer was passed", __func__);
 
 	len = PFKEY_UNUNIT64(id->sadb_ident_len) - sizeof(*id);
-	printf("sadb_ident_%s{",
+	printf(" sadb_ident_%s {",
 	    id->sadb_ident_exttype == SADB_EXT_IDENTITY_SRC ? "src" : "dst");
 	switch (id->sadb_ident_type) {
 	default:
 		printf(" type=%d id=%lu",
-			id->sadb_ident_type, (u_long)id->sadb_ident_id);
+		    id->sadb_ident_type, (u_long)id->sadb_ident_id);
 		if (len) {
-#ifdef _KERNEL
-			ipsec_hexdump((const char *)(id + 1), len); /*XXX cast ?*/
-#else
-			const char *p, *ep;
-			printf("\n  str=\"");
-			p = (const char *)(id + 1);
-			ep = p + len;
-			for (/*nothing*/; *p && p < ep; p++) {
-				if (isprint(*p))
-					printf("%c", *p & 0xff);
-				else
-					printf("\\%03o", *p & 0xff);
-			}
-#endif
-			printf("\"");
+			kdebug_hexdump("data", id + 1, len);
 		}
 		break;
 	}
 
-	printf(" }\n");
-
-	return;
+	printf(" }");
 }
 
 static void
@@ -271,21 +261,19 @@ kdebug_sadb_supported(const struct sadb_
 
 	/* sanity check */
 	if (ext == NULL)
-		panic("kdebug_sadb_supported: NULL pointer was passed");
+		panic("%s: NULL pointer was passed", __func__);
 
 	len = (PFKEY_UNUNIT64(sup->sadb_supported_len) - sizeof(*sup))
 		/ sizeof(*alg);
-	alg = (const struct sadb_alg *)(sup + 1);
-	printf("sadb_sup{\n");
+	alg = (const void *)(sup + 1);
+	printf(" sadb_sup {");
 	while (len--) {
-		printf("  { id=%d ivlen=%d min=%d max=%d }\n",
-			alg->sadb_alg_id, alg->sadb_alg_ivlen,
-			alg->sadb_alg_minbits, alg->sadb_alg_maxbits);
+		printf(" { id=%d ivlen=%d min=%d max=%d }",
+		    alg->sadb_alg_id, alg->sadb_alg_ivlen,
+		    alg->sadb_alg_minbits, alg->sadb_alg_maxbits);
 		alg++;
 	}
-	printf("}\n");
-
-	return;
+	printf(" }");
 }
 
 static void
@@ -295,16 +283,14 @@ kdebug_sadb_lifetime(const struct sadb_e
 
 	/* sanity check */
 	if (ext == NULL)
-		printf("kdebug_sadb_lifetime: NULL pointer was passed.\n");
+		panic("%s: NULL pointer was passed", __func__);
 
-	printf("sadb_lifetime{ alloc=%u, bytes=%u\n",
-		lft->sadb_lifetime_allocations,
-		(u_int32_t)lft->sadb_lifetime_bytes);
-	printf("  addtime=%u, usetime=%u }\n",
-		(u_int32_t)lft->sadb_lifetime_addtime,
-		(u_int32_t)lft->sadb_lifetime_usetime);
-
-	return;
+	printf(" sadb_lifetime { alloc=%u, bytes=%u",
+	    lft->sadb_lifetime_allocations,
+	    (u_int32_t)lft->sadb_lifetime_bytes);
+	printf(" addtime=%u, usetime=%u }",
+	    (u_int32_t)lft->sadb_lifetime_addtime,
+	    (u_int32_t)lft->sadb_lifetime_usetime);
 }
 
 static void
@@ -314,15 +300,13 @@ kdebug_sadb_sa(const struct sadb_ext *ex
 
 	/* sanity check */
 	if (ext == NULL)
-		panic("kdebug_sadb_sa: NULL pointer was passed");
+		panic("%s: NULL pointer was passed", __func__);
 
-	printf("sadb_sa{ spi=%u replay=%u state=%u\n",
+	printf(" sadb_sa { spi=%u replay=%u state=%u",
 	    (u_int32_t)ntohl(sa->sadb_sa_spi), sa->sadb_sa_replay,
 	    sa->sadb_sa_state);
-	printf("  auth=%u encrypt=%u flags=0x%08x }\n",
+	printf(" auth=%u encrypt=%u flags=%#08x }",
 	    sa->sadb_sa_auth, sa->sadb_sa_encrypt, sa->sadb_sa_flags);
-
-	return;
 }
 
 static void
@@ -332,16 +316,15 @@ kdebug_sadb_address(const struct sadb_ex
 
 	/* sanity check */
 	if (ext == NULL)
-		panic("kdebug_sadb_address: NULL pointer was passed");
+		panic("%s: NULL pointer was passed", __func__);
 
-	printf("sadb_address{ proto=%u prefixlen=%u reserved=0x%02x%02x }\n",
+	printf(" sadb_address { proto=%u prefixlen=%u reserved=%#02x%02x }",
 	    addr->sadb_address_proto, addr->sadb_address_prefixlen,
 	    ((const u_char *)&addr->sadb_address_reserved)[0],
 	    ((const u_char *)&addr->sadb_address_reserved)[1]);
 
-	kdebug_sockaddr((const struct sockaddr *)((const char *)ext + sizeof(*addr)));
-
-	return;
+	kdebug_sockaddr((const struct sockaddr *)
+	    ((const char *)ext + sizeof(*addr)));
 }
 
 static void
@@ -351,24 +334,21 @@ kdebug_sadb_key(const struct sadb_ext *e
 
 	/* sanity check */
 	if (ext == NULL)
-		panic("kdebug_sadb_key: NULL pointer was passed");
-
-	printf("sadb_key{ bits=%u reserved=%u\n",
-	    key->sadb_key_bits, key->sadb_key_reserved);
-	printf("  key=");
+		panic("%s: NULL pointer was passed", __func__);
 
 	/* sanity check 2 */
 	if ((key->sadb_key_bits >> 3) >
-		(PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key))) {
-		printf("kdebug_sadb_key: key length mismatch, bit:%d len:%ld.\n",
-			key->sadb_key_bits >> 3,
-			(long)PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key));
+	    (PFKEY_UNUNIT64(key->sadb_key_len) - sizeof(struct sadb_key))) {
+		panic("%s: key length mismatch, bit:%d len:%ld ", __func__,
+		    key->sadb_key_bits >> 3,
+		    (long)PFKEY_UNUNIT64(key->sadb_key_len)
+		    - sizeof(struct sadb_key));
 	}
 
-	ipsec_hexdump((const char *)key + sizeof(struct sadb_key),
-	              key->sadb_key_bits >> 3);
-	printf(" }\n");
-	return;
+	printf(" sadb_key { bits=%u reserved=%u",
+	    key->sadb_key_bits, key->sadb_key_reserved);
+	kdebug_hexdump("key", key + 1, key->sadb_key_bits >> 3);
+	printf(" }");
 }
 
 static void
@@ -378,18 +358,16 @@ kdebug_sadb_x_sa2(const struct sadb_ext 
 
 	/* sanity check */
 	if (ext == NULL)
-		panic("kdebug_sadb_x_sa2: NULL pointer was passed");
+		panic("%s: NULL pointer was passed", __func__);
 
-	printf("sadb_x_sa2{ mode=%u reqid=%u\n",
+	printf(" sadb_x_sa2 { mode=%u reqid=%u",
 	    sa2->sadb_x_sa2_mode, sa2->sadb_x_sa2_reqid);
-	printf("  reserved1=%u reserved2=%u sequence=%u }\n",
+	printf(" reserved1=%u reserved2=%u sequence=%u }",
 	    sa2->sadb_x_sa2_reserved1, sa2->sadb_x_sa2_reserved2,
 	    sa2->sadb_x_sa2_sequence);
-
-	return;
 }
 
-void
+static void
 kdebug_sadb_x_policy(const struct sadb_ext *ext)
 {
 	const struct sadb_x_policy *xpl = (const struct sadb_x_policy *)ext;
@@ -397,9 +375,9 @@ kdebug_sadb_x_policy(const struct sadb_e
 
 	/* sanity check */
 	if (ext == NULL)
-		panic("kdebug_sadb_x_policy: NULL pointer was passed");
+		panic("%s: NULL pointer was passed", __func__);
 
-	printf("sadb_x_policy{ type=%u dir=%u id=%x }\n",
+	printf(" sadb_x_policy { type=%u dir=%u id=%x }",
 		xpl->sadb_x_policy_type, xpl->sadb_x_policy_dir,
 		xpl->sadb_x_policy_id);
 
@@ -411,147 +389,151 @@ kdebug_sadb_x_policy(const struct sadb_e
 		xisr = (const struct sadb_x_ipsecrequest *)(xpl + 1);
 
 		while (tlen > 0) {
-			printf(" { len=%u proto=%u mode=%u level=%u reqid=%u\n",
-				xisr->sadb_x_ipsecrequest_len,
-				xisr->sadb_x_ipsecrequest_proto,
-				xisr->sadb_x_ipsecrequest_mode,
-				xisr->sadb_x_ipsecrequest_level,
-				xisr->sadb_x_ipsecrequest_reqid);
+			printf(" { len=%u proto=%u mode=%u level=%u reqid=%u",
+			    xisr->sadb_x_ipsecrequest_len,
+			    xisr->sadb_x_ipsecrequest_proto,
+			    xisr->sadb_x_ipsecrequest_mode,
+			    xisr->sadb_x_ipsecrequest_level,
+			    xisr->sadb_x_ipsecrequest_reqid);
 
 			if (xisr->sadb_x_ipsecrequest_len > sizeof(*xisr)) {
-				addr = (const struct sockaddr *)(xisr + 1);
+				addr = (const void *)(xisr + 1);
 				kdebug_sockaddr(addr);
-				addr = (const struct sockaddr *)((const char *)addr
-							+ addr->sa_len);
+				addr = (const void *)((const char *)addr
+				    + addr->sa_len);
 				kdebug_sockaddr(addr);
 			}
 
-			printf(" }\n");
+			printf(" }");
 
 			/* prevent infinite loop */
 			if (xisr->sadb_x_ipsecrequest_len <= 0) {
-				printf("kdebug_sadb_x_policy: wrong policy struct.\n");
-				return;
+				panic("%s: wrong policy struct", __func__);
 			}
 			/* prevent overflow */
 			if (xisr->sadb_x_ipsecrequest_len > tlen) {
-				printf("invalid ipsec policy length\n");
-				return;
+				panic("%s: invalid ipsec policy length",
+				    __func__);
 			}
 
 			tlen -= xisr->sadb_x_ipsecrequest_len;
 
-			xisr = (const struct sadb_x_ipsecrequest *)((const char *)xisr
-			                + xisr->sadb_x_ipsecrequest_len);
+			xisr = (const struct sadb_x_ipsecrequest *)
+			    ((const char *)xisr
+			    + xisr->sadb_x_ipsecrequest_len);
 		}
 
 		if (tlen != 0)
-			panic("kdebug_sadb_x_policy: wrong policy struct");
+			panic("%s: wrong policy struct", __func__);
 	}
-
-	return;
 }
 
 #ifdef _KERNEL
+
+void
+kdebug_sadb_xpolicy(const char *msg, const struct sadb_ext *ext)
+{
+	printf("%s:", msg);
+	kdebug_sadb_x_policy(ext);
+	printf("\n");
+}
+
 /* %%%: about SPD and SAD */
 void
 kdebug_secpolicy(const struct secpolicy *sp)
 {
 	/* sanity check */
 	if (sp == NULL)
-		panic("kdebug_secpolicy: NULL pointer was passed");
+		panic("%s: NULL pointer was passed", __func__);
 
-	printf("secpolicy{ refcnt=%u state=%u policy=%u\n",
+	printf(" secpolicy { refcnt=%u state=%u policy=%u",
 	    key_sp_refcnt(sp), sp->state, sp->policy);
 
-	kdebug_secpolicyindex(&sp->spidx);
+	kdebug__secpolicyindex(&sp->spidx);
 
+	printf(" type=");
 	switch (sp->policy) {
 	case IPSEC_POLICY_DISCARD:
-		printf("  type=discard }\n");
+		printf("discard");
 		break;
 	case IPSEC_POLICY_NONE:
-		printf("  type=none }\n");
+		printf("none");
 		break;
 	case IPSEC_POLICY_IPSEC:
 	    {
+		printf("ipsec {");
 		struct ipsecrequest *isr;
 		for (isr = sp->req; isr != NULL; isr = isr->next) {
-
-			printf("  level=%u\n", isr->level);
+			printf(" level=%u", isr->level);
 			kdebug_secasindex(&isr->saidx);
 		}
-		printf("  }\n");
+		printf(" }");
 	    }
 		break;
 	case IPSEC_POLICY_BYPASS:
-		printf("  type=bypass }\n");
+		printf("bypass");
 		break;
 	case IPSEC_POLICY_ENTRUST:
-		printf("  type=entrust }\n");
+		printf("entrust");
 		break;
 	default:
-		printf("kdebug_secpolicy: Invalid policy found. %d\n",
-			sp->policy);
-		break;
+		panic("%s: Invalid policy found. %d", __func__, sp->policy);
 	}
-
-	return;
+	printf(" }\n");
 }
 
 void
-kdebug_secpolicyindex(const struct secpolicyindex *spidx)
+kdebug_secpolicyindex(const char *msg, const struct secpolicyindex *spidx)
+{
+	printf("%s:", msg);
+	kdebug__secpolicyindex(spidx);
+	printf("\n");
+}
+
+
+static void
+kdebug__secpolicyindex(const struct secpolicyindex *spidx)
 {
 	/* sanity check */
 	if (spidx == NULL)
-		panic("kdebug_secpolicyindex: NULL pointer was passed");
+		panic("%s: NULL pointer was passed", __func__);
 
-	printf("secpolicyindex{ dir=%u prefs=%u prefd=%u ul_proto=%u\n",
+	printf(" secpolicy { dir=%u prefs=%u prefd=%u ul_proto=%u",
 		spidx->dir, spidx->prefs, spidx->prefd, spidx->ul_proto);
 
-	ipsec_hexdump((const char *)&spidx->src,
-		spidx->src.sa.sa_len);
-	printf("\n");
-	ipsec_hexdump((const char *)&spidx->dst,
-		spidx->dst.sa.sa_len);
-	printf("}\n");
-
-	return;
+	kdebug_hexdump("src", &spidx->src, spidx->src.sa.sa_len);
+	kdebug_hexdump("dst", &spidx->dst, spidx->dst.sa.sa_len);
+	printf(" }");
 }
 
-void
+static void
 kdebug_secasindex(const struct secasindex *saidx)
 {
 	/* sanity check */
 	if (saidx == NULL)
-		panic("kdebug_secpolicyindex: NULL pointer was passed");
-
-	printf("secasindex{ mode=%u proto=%u\n",
-		saidx->mode, saidx->proto);
-
-	ipsec_hexdump((const char *)&saidx->src,
-		saidx->src.sa.sa_len);
-	printf("\n");
-	ipsec_hexdump((const char *)&saidx->dst,
-		saidx->dst.sa.sa_len);
-	printf("\n");
+		panic("%s: NULL pointer was passed", __func__);
 
-	return;
+	printf(" secasindex { mode=%u proto=%u",
+	    saidx->mode, saidx->proto);
+	kdebug_hexdump("src", &saidx->src, saidx->src.sa.sa_len);
+	kdebug_hexdump("dst", &saidx->dst, saidx->dst.sa.sa_len);
+	printf(" }");
 }
 
-void
+#if 0
+static void
 kdebug_secasv(const struct secasvar *sav)
 {
 	/* sanity check */
 	if (sav == NULL)
-		panic("kdebug_secasv: NULL pointer was passed");
+		panic("%s: NULL pointer was passed", __func__);
 
-	printf("secas{");
+	printf(" secasv {", );
 	kdebug_secasindex(&sav->sah->saidx);
 
-	printf("  refcnt=%u state=%u auth=%u enc=%u\n",
+	printf(" refcnt=%u state=%u auth=%u enc=%u",
 	    key_sa_refcnt(sav), sav->state, sav->alg_auth, sav->alg_enc);
-	printf("  spi=%u flags=%u\n",
+	printf(" spi=%u flags=%u",
 	    (u_int32_t)ntohl(sav->spi), sav->flags);
 
 	if (sav->key_auth != NULL)
@@ -568,11 +550,7 @@ kdebug_secasv(const struct secasvar *sav
 	if (sav->lft_s != NULL)
 		kdebug_sadb_lifetime((struct sadb_ext *)sav->lft_s);
 
-#if notyet
 	/* XXX: misc[123] ? */
-#endif
-
-	return;
 }
 
 static void
@@ -582,79 +560,73 @@ kdebug_secreplay(const struct secreplay 
 
 	/* sanity check */
 	if (rpl == NULL)
-		panic("kdebug_secreplay: NULL pointer was passed");
+		panic("%s: NULL pointer was passed", __func__);
 
-	printf(" secreplay{ count=%u wsize=%u seq=%u lastseq=%u",
+	printf(" secreplay { count=%u wsize=%u seq=%u lastseq=%u",
 	    rpl->count, rpl->wsize, rpl->seq, rpl->lastseq);
 
 	if (rpl->bitmap == NULL) {
-		printf(" }\n");
+		printf(" }");
 		return;
 	}
 
-	printf("\n   bitmap { ");
+	printf(" bitmap {");
 
 	for (len = 0; len < rpl->wsize; len++) {
 		for (l = 7; l >= 0; l--)
-			printf("%u", (((rpl->bitmap)[len] >> l) & 1) ? 1 : 0);
+			printf(" %u", (((rpl->bitmap)[len] >> l) & 1) ? 1 : 0);
 	}
-	printf(" }\n");
-
-	return;
+	printf(" } }");
 }
+#endif
 
-void
+static void
 kdebug_mbufhdr(const struct mbuf *m)
 {
 	/* sanity check */
 	if (m == NULL)
 		return;
 
-	printf("mbuf(%p){ m_next:%p m_nextpkt:%p m_data:%p "
-	       "m_len:%d m_type:0x%02x m_flags:0x%02x }\n",
+	printf(" mbuf(%p) { m_next:%p m_nextpkt:%p m_data:%p "
+	       "m_len:%d m_type:%#02x m_flags:%#02x }",
 		m, m->m_next, m->m_nextpkt, m->m_data,
 		m->m_len, m->m_type, m->m_flags);
 
 	if (m->m_flags & M_PKTHDR) {
-		printf("  m_pkthdr{ len:%d rcvif:%p }\n",
+		printf(" m_pkthdr { len:%d rcvif:%p }",
 		    m->m_pkthdr.len, m_get_rcvif_NOMPSAFE(m));
 	}
 
 	if (m->m_flags & M_EXT) {
-		printf("  m_ext{ ext_buf:%p ext_free:%p "
-		       "ext_size:%zu ext_refcnt:%u }\n",
-			m->m_ext.ext_buf, m->m_ext.ext_free,
-			m->m_ext.ext_size, m->m_ext.ext_refcnt);
+		printf(" m_ext { ext_buf:%p ext_free:%p "
+		   "ext_size:%zu ext_refcnt:%u }",
+		    m->m_ext.ext_buf, m->m_ext.ext_free,
+		    m->m_ext.ext_size, m->m_ext.ext_refcnt);
 	}
-
-	return;
 }
 
 void
-kdebug_mbuf(const struct mbuf *m0)
+kdebug_mbuf(const char *msg, const struct mbuf *m0)
 {
 	const struct mbuf *m = m0;
 	int i, j;
 
+	printf("%s:", msg);
 	for (j = 0; m; m = m->m_next) {
 		kdebug_mbufhdr(m);
-		printf("  m_data:\n");
+		printf(" m_data:");
 		for (i = 0; i < m->m_len; i++) {
-			if (i && i % 32 == 0)
-				printf("\n");
 			if (i % 4 == 0)
 				printf(" ");
 			printf("%02x", mtod(m, u_char *)[i]);
 			j++;
 		}
-		printf("\n");
 	}
-
-	return;
+	printf("\n");
 }
 #endif /* _KERNEL */
 
-void
+static void
 kdebug_sockaddr(const struct sockaddr *addr)
 {
 	const struct sockaddr_in *sin4;
@@ -664,58 +636,43 @@ kdebug_sockaddr(const struct sockaddr *a
 
 	/* sanity check */
 	if (addr == NULL)
-		panic("kdebug_sockaddr: NULL pointer was passed");
+		panic("%s: NULL pointer was passed", __func__);
 
 	/* NOTE: We deal with port number as host byte order. */
-	printf("sockaddr{ len=%u family=%u", addr->sa_len, addr->sa_family);
+	printf(" sockaddr { len=%u family=%u",
+	    addr->sa_len, addr->sa_family);
 
 	switch (addr->sa_family) {
 	case AF_INET:
 		sin4 = (const struct sockaddr_in *)addr;
-		printf(" port=%u\n", ntohs(sin4->sin_port));
-		ipsec_hexdump((const char *)&sin4->sin_addr, sizeof(sin4->sin_addr));
+		printf(" port=%u", ntohs(sin4->sin_port));
+		kdebug_hexdump("addr", &sin4->sin_addr, sizeof(sin4->sin_addr));
 		break;
 #ifdef INET6
 	case AF_INET6:
 		sin6 = (const struct sockaddr_in6 *)addr;
-		printf(" port=%u\n", ntohs(sin6->sin6_port));
-		printf("  flowinfo=0x%08x, scope_id=0x%08x\n",
+		printf(" port=%u", ntohs(sin6->sin6_port));
+		printf(" flowinfo=%#08x, scope_id=%#08x",
 		    sin6->sin6_flowinfo, sin6->sin6_scope_id);
-		ipsec_hexdump((const char *)&sin6->sin6_addr, sizeof(sin6->sin6_addr));
+		kdebug_hexdump("addr", &sin6->sin6_addr, sizeof(sin6->sin6_addr));
 		break;
 #endif
 	}
 
-	printf("  }\n");
-
-	return;
+	printf(" }");
 }
 
-void
-ipsec_bindump(const char *buf, int len)
+static void
+kdebug_hexdump(const char *tag, const void *v, size_t len)
 {
-	int i;
-
-	for (i = 0; i < len; i++)
-		printf("%c", (unsigned char)buf[i]);
-
-	return;
-}
-
+	size_t i;
+	const unsigned char *buf = v;
 
-void
-ipsec_hexdump(const char *buf, int len)
-{
-	int i;
+	if (len)
+		printf(" %s=", tag);
 
 	for (i = 0; i < len; i++) {
-		if (i != 0 && i % 32 == 0) printf("\n");
-		if (i % 4 == 0) printf(" ");
-		printf("%02x", (unsigned char)buf[i]);
+		if (i && i % 4 == 0) printf(" ");
+		printf("%02x", buf[i]);
 	}
-#if 0
-	if (i % 32 != 0) printf("\n");
-#endif
-
-	return;
 }

Index: src/sys/netipsec/key_debug.h
diff -u src/sys/netipsec/key_debug.h:1.8 src/sys/netipsec/key_debug.h:1.9
--- src/sys/netipsec/key_debug.h:1.8	Tue Apr 18 23:42:11 2017
+++ src/sys/netipsec/key_debug.h	Thu Sep 28 13:21:42 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: key_debug.h,v 1.8 2017/04/19 03:42:11 ozaki-r Exp $	*/
+/*	$NetBSD: key_debug.h,v 1.9 2017/09/28 17:21:42 christos Exp $	*/
 /*	$FreeBSD: src/sys/netipsec/key_debug.h,v 1.1.4.1 2003/01/24 05:11:36 sam Exp $	*/
 /*	$KAME: key_debug.h,v 1.10 2001/08/05 08:37:52 itojun Exp $	*/
 
@@ -69,8 +69,8 @@ extern u_int32_t key_debug_level;
 
 struct sadb_msg;
 struct sadb_ext;
-void kdebug_sadb (const struct sadb_msg *);
-void kdebug_sadb_x_policy (const struct sadb_ext *);
+void kdebug_sadb(const struct sadb_msg *);
+void kdebug_sadb_xpolicy(const char *, const struct sadb_ext *);
 
 #ifdef _KERNEL
 struct secpolicy;
@@ -79,18 +79,9 @@ struct secasindex;
 struct secasvar;
 struct secreplay;
 struct mbuf;
-void kdebug_secpolicy (const struct secpolicy *);
-void kdebug_secpolicyindex (const struct secpolicyindex *);
-void kdebug_secasindex (const struct secasindex *);
-void kdebug_secasv (const struct secasvar *);
-void kdebug_mbufhdr (const struct mbuf *);
-void kdebug_mbuf (const struct mbuf *);
+void kdebug_secpolicy(const struct secpolicy *);
+void kdebug_secpolicyindex(const char *, const struct secpolicyindex *);
+void kdebug_mbuf(const char *, const struct mbuf *);
 #endif /*_KERNEL*/
 
-struct sockaddr;
-void kdebug_sockaddr (const struct sockaddr *);
-
-void ipsec_hexdump (const char *, int);
-void ipsec_bindump (const char *, int);
-
 #endif /* !_NETIPSEC_KEY_DEBUG_H_ */

Index: src/sys/netipsec/keysock.c
diff -u src/sys/netipsec/keysock.c:1.61 src/sys/netipsec/keysock.c:1.62
--- src/sys/netipsec/keysock.c:1.61	Sun Sep 24 21:56:22 2017
+++ src/sys/netipsec/keysock.c	Thu Sep 28 13:21:42 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: keysock.c,v 1.61 2017/09/25 01:56:22 ozaki-r Exp $	*/
+/*	$NetBSD: keysock.c,v 1.62 2017/09/28 17:21:42 christos Exp $	*/
 /*	$FreeBSD: src/sys/netipsec/keysock.c,v 1.3.2.1 2003/01/24 05:11:36 sam Exp $	*/
 /*	$KAME: keysock.c,v 1.25 2001/08/13 20:07:41 itojun Exp $	*/
 
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: keysock.c,v 1.61 2017/09/25 01:56:22 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: keysock.c,v 1.62 2017/09/28 17:21:42 christos Exp $");
 
 /* This code has derived from sys/net/rtsock.c on FreeBSD2.2.5 */
 
@@ -137,7 +137,7 @@ key_output(struct mbuf *m, struct socket
 	KASSERT((m->m_flags & M_PKTHDR) != 0);
 
 	if (KEYDEBUG_ON(KEYDEBUG_KEY_DUMP))
-		kdebug_mbuf(m);
+		kdebug_mbuf(__func__, m);
 
 	msg = mtod(m, struct sadb_msg *);
 	PFKEY_STATINC(PFKEY_STAT_OUT_MSGTYPE + msg->sadb_msg_type);

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