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[src/trunk]: src/sys/netipsec PR/56841: Andrew Cagney: debug-log IPcomp CPI l...
details: https://anonhg.NetBSD.org/src/rev/8d3c6f6d3f1f
branches: trunk
changeset: 366204:8d3c6f6d3f1f
user: christos <christos%NetBSD.org@localhost>
date: Wed May 18 15:20:18 2022 +0000
description:
PR/56841: Andrew Cagney: debug-log IPcomp CPI lookups:
- debug-logs why an SPI is rejected
- adds missing __VA_OPT__(,) to some printf macros
- debug-log SPI+proto when adding/updating entry
diffstat:
sys/netipsec/key.c | 86 ++++++++++++++++++++++++++++++++++-------------
sys/netipsec/key_debug.c | 6 +-
sys/netipsec/key_debug.h | 6 +-
3 files changed, 67 insertions(+), 31 deletions(-)
diffs (258 lines):
diff -r d29e143261de -r 8d3c6f6d3f1f sys/netipsec/key.c
--- a/sys/netipsec/key.c Wed May 18 13:56:31 2022 +0000
+++ b/sys/netipsec/key.c Wed May 18 15:20:18 2022 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: key.c,v 1.273 2022/01/02 20:28:53 andvar Exp $ */
+/* $NetBSD: key.c,v 1.274 2022/05/18 15:20:18 christos Exp $ */
/* $FreeBSD: 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 1.273 2022/01/02 20:28:53 andvar Exp $");
+__KERNEL_RCSID(0, "$NetBSD: key.c,v 1.274 2022/05/18 15:20:18 christos Exp $");
/*
* This code is referred to RFC 2367
@@ -700,9 +700,9 @@
static void key_wait_sav(struct secasvar *);
static void key_destroy_sav(struct secasvar *);
static struct secasvar *key_newsav(struct mbuf *,
- const struct sadb_msghdr *, int *, const char*, int);
-#define KEY_NEWSAV(m, sadb, e) \
- key_newsav(m, sadb, e, __func__, __LINE__)
+ const struct sadb_msghdr *, int *, int, const char*, int);
+#define KEY_NEWSAV(m, sadb, e, proto) \
+ key_newsav(m, sadb, e, proto, __func__, __LINE__)
static void key_delsav (struct secasvar *);
static struct secashead *key_getsah(const struct secasindex *, int);
static struct secashead *key_getsah_ref(const struct secasindex *, int);
@@ -1288,8 +1288,11 @@
}
}
KEYDEBUG_PRINTF(KEYDEBUG_IPSEC_STAMP,
- "DP from %s:%u check_spi=%d, check_alg=%d\n",
- where, tag, must_check_spi, must_check_alg);
+ "DP from %s:%u check_spi=%d(%#x), check_alg=%d(%d), proto=%d\n",
+ where, tag,
+ must_check_spi, ntohl(spi),
+ must_check_alg, algo,
+ proto);
/*
@@ -3279,7 +3282,7 @@
*/
static struct secasvar *
key_newsav(struct mbuf *m, const struct sadb_msghdr *mhp,
- int *errp, const char* where, int tag)
+ int *errp, int proto, const char* where, int tag)
{
struct secasvar *newsav;
const struct sadb_sa *xsa;
@@ -3339,7 +3342,8 @@
newsav->pid = mhp->msg->sadb_msg_pid;
KEYDEBUG_PRINTF(KEYDEBUG_IPSEC_STAMP,
- "DP from %s:%u return SA:%p\n", where, tag, newsav);
+ "DP from %s:%u return SA:%p spi=%#x proto=%d\n",
+ where, tag, newsav, ntohl(newsav->spi), proto);
return newsav;
error:
@@ -4679,75 +4683,103 @@
if (spidx0->src.sa.sa_family != spidx1->src.sa.sa_family ||
spidx0->dst.sa.sa_family != spidx1->dst.sa.sa_family ||
spidx0->src.sa.sa_len != spidx1->src.sa.sa_len ||
- spidx0->dst.sa.sa_len != spidx1->dst.sa.sa_len)
+ spidx0->dst.sa.sa_len != spidx1->dst.sa.sa_len) {
+ KEYDEBUG_PRINTF(KEYDEBUG_MATCH, ".sa wrong\n");
return 0;
+ }
/* if spidx.ul_proto == IPSEC_ULPROTO_ANY, ignore. */
if (spidx0->ul_proto != (u_int16_t)IPSEC_ULPROTO_ANY &&
- spidx0->ul_proto != spidx1->ul_proto)
+ spidx0->ul_proto != spidx1->ul_proto) {
+ KEYDEBUG_PRINTF(KEYDEBUG_MATCH, "proto wrong\n");
return 0;
+ }
switch (spidx0->src.sa.sa_family) {
case AF_INET:
if (spidx0->src.sin.sin_port != IPSEC_PORT_ANY &&
- spidx0->src.sin.sin_port != spidx1->src.sin.sin_port)
+ spidx0->src.sin.sin_port != spidx1->src.sin.sin_port) {
+ KEYDEBUG_PRINTF(KEYDEBUG_MATCH, "v4 src port wrong\n");
return 0;
+ }
if (!key_bb_match_withmask(&spidx0->src.sin.sin_addr,
- &spidx1->src.sin.sin_addr, spidx0->prefs))
+ &spidx1->src.sin.sin_addr, spidx0->prefs)) {
+ KEYDEBUG_PRINTF(KEYDEBUG_MATCH, "v4 src addr wrong\n");
return 0;
+ }
break;
case AF_INET6:
if (spidx0->src.sin6.sin6_port != IPSEC_PORT_ANY &&
- spidx0->src.sin6.sin6_port != spidx1->src.sin6.sin6_port)
+ spidx0->src.sin6.sin6_port != spidx1->src.sin6.sin6_port) {
+ KEYDEBUG_PRINTF(KEYDEBUG_MATCH, "v6 src port wrong\n");
return 0;
+ }
/*
* scope_id check. if sin6_scope_id is 0, we regard it
* as a wildcard scope, which matches any scope zone ID.
*/
if (spidx0->src.sin6.sin6_scope_id &&
spidx1->src.sin6.sin6_scope_id &&
- spidx0->src.sin6.sin6_scope_id != spidx1->src.sin6.sin6_scope_id)
+ spidx0->src.sin6.sin6_scope_id != spidx1->src.sin6.sin6_scope_id) {
+ KEYDEBUG_PRINTF(KEYDEBUG_MATCH, "v6 src scope wrong\n");
return 0;
+ }
if (!key_bb_match_withmask(&spidx0->src.sin6.sin6_addr,
- &spidx1->src.sin6.sin6_addr, spidx0->prefs))
+ &spidx1->src.sin6.sin6_addr, spidx0->prefs)) {
+ KEYDEBUG_PRINTF(KEYDEBUG_MATCH, "v6 src addr wrong\n");
return 0;
+ }
break;
default:
/* XXX */
- if (memcmp(&spidx0->src, &spidx1->src, spidx0->src.sa.sa_len) != 0)
+ if (memcmp(&spidx0->src, &spidx1->src, spidx0->src.sa.sa_len) != 0) {
+ KEYDEBUG_PRINTF(KEYDEBUG_MATCH, "src memcmp wrong\n");
return 0;
+ }
break;
}
switch (spidx0->dst.sa.sa_family) {
case AF_INET:
if (spidx0->dst.sin.sin_port != IPSEC_PORT_ANY &&
- spidx0->dst.sin.sin_port != spidx1->dst.sin.sin_port)
+ spidx0->dst.sin.sin_port != spidx1->dst.sin.sin_port) {
+ KEYDEBUG_PRINTF(KEYDEBUG_MATCH, "v4 dst port wrong\n");
return 0;
+ }
if (!key_bb_match_withmask(&spidx0->dst.sin.sin_addr,
- &spidx1->dst.sin.sin_addr, spidx0->prefd))
+ &spidx1->dst.sin.sin_addr, spidx0->prefd)) {
+ KEYDEBUG_PRINTF(KEYDEBUG_MATCH, "v4 dst addr wrong\n");
return 0;
+ }
break;
case AF_INET6:
if (spidx0->dst.sin6.sin6_port != IPSEC_PORT_ANY &&
- spidx0->dst.sin6.sin6_port != spidx1->dst.sin6.sin6_port)
+ spidx0->dst.sin6.sin6_port != spidx1->dst.sin6.sin6_port) {
+ KEYDEBUG_PRINTF(KEYDEBUG_MATCH, "v6 dst port wrong\n");
return 0;
+ }
/*
* scope_id check. if sin6_scope_id is 0, we regard it
* as a wildcard scope, which matches any scope zone ID.
*/
if (spidx0->src.sin6.sin6_scope_id &&
spidx1->src.sin6.sin6_scope_id &&
- spidx0->dst.sin6.sin6_scope_id != spidx1->dst.sin6.sin6_scope_id)
+ spidx0->dst.sin6.sin6_scope_id != spidx1->dst.sin6.sin6_scope_id) {
+ KEYDEBUG_PRINTF(KEYDEBUG_MATCH, "DP v6 dst scope wrong\n");
return 0;
+ }
if (!key_bb_match_withmask(&spidx0->dst.sin6.sin6_addr,
- &spidx1->dst.sin6.sin6_addr, spidx0->prefd))
+ &spidx1->dst.sin6.sin6_addr, spidx0->prefd)) {
+ KEYDEBUG_PRINTF(KEYDEBUG_MATCH, "v6 dst addr wrong\n");
return 0;
+ }
break;
default:
/* XXX */
- if (memcmp(&spidx0->dst, &spidx1->dst, spidx0->dst.sa.sa_len) != 0)
+ if (memcmp(&spidx0->dst, &spidx1->dst, spidx0->dst.sa.sa_len) != 0) {
+ KEYDEBUG_PRINTF(KEYDEBUG_MATCH, "dst memcmp wrong\n");
return 0;
+ }
break;
}
@@ -5402,7 +5434,7 @@
/* get a new SA */
/* XXX rewrite */
- newsav = KEY_NEWSAV(m, mhp, &error);
+ newsav = KEY_NEWSAV(m, mhp, &error, proto);
if (newsav == NULL) {
key_sah_unref(sah);
/* XXX don't free new SA index allocated in above. */
@@ -5818,6 +5850,10 @@
newsav->created = sav->created;
newsav->pid = sav->pid;
newsav->sah = sav->sah;
+ KEYDEBUG_PRINTF(KEYDEBUG_IPSEC_STAMP,
+ "DP from %s:%u update SA:%p to SA:%p spi=%#x proto=%d\n",
+ __func__, __LINE__, sav, newsav,
+ ntohl(newsav->spi), proto);
error = key_setsaval(newsav, m, mhp);
if (error) {
@@ -6031,7 +6067,7 @@
}
/* create new SA entry. */
- newsav = KEY_NEWSAV(m, mhp, &error);
+ newsav = KEY_NEWSAV(m, mhp, &error, proto);
if (newsav == NULL)
goto error;
newsav->sah = sah;
diff -r d29e143261de -r 8d3c6f6d3f1f sys/netipsec/key_debug.c
--- a/sys/netipsec/key_debug.c Wed May 18 13:56:31 2022 +0000
+++ b/sys/netipsec/key_debug.c Wed May 18 15:20:18 2022 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: key_debug.c,v 1.23 2019/01/27 02:08:48 pgoyette Exp $ */
+/* $NetBSD: key_debug.c,v 1.24 2022/05/18 15:20:18 christos Exp $ */
/* $FreeBSD: 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 1.23 2019/01/27 02:08:48 pgoyette Exp $");
+__KERNEL_RCSID(0, "$NetBSD: key_debug.c,v 1.24 2022/05/18 15:20:18 christos Exp $");
#endif
#if defined(_KERNEL_OPT)
@@ -90,7 +90,7 @@
#endif
#ifndef _KERNEL
-#define panic(...) err(EXIT_FAILURE, __VA_ARGS__)
+#define panic(fmt, ...) err(EXIT_FAILURE, fmt, __VA_ARGS__)
#endif
/* NOTE: host byte order */
diff -r d29e143261de -r 8d3c6f6d3f1f sys/netipsec/key_debug.h
--- a/sys/netipsec/key_debug.h Wed May 18 13:56:31 2022 +0000
+++ b/sys/netipsec/key_debug.h Wed May 18 15:20:18 2022 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: key_debug.h,v 1.10 2018/04/19 08:27:38 maxv Exp $ */
+/* $NetBSD: key_debug.h,v 1.11 2022/05/18 15:20:18 christos Exp $ */
/* $FreeBSD: 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 $ */
@@ -60,8 +60,8 @@
#define KEYDEBUG_PRINTF(lev, fmt, ...) \
do { \
if (KEYDEBUG_ON((lev))) \
- log(LOG_DEBUG, "%s: " fmt, __func__, \
- __VA_ARGS__); \
+ log(LOG_DEBUG, "%s: " fmt, __func__ \
+ __VA_OPT__(,) __VA_ARGS__); \
} while (0)
extern u_int32_t key_debug_level;
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