d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Hide net.inet.ipsec.test_{replay,integrity} sysctls under #ifdef REGRESSION.

Browse Source 
Requested by:	sam, rwatson
This commit is contained in:
Pawel Jakub Dawidek 2006-04-10 15:04:36 +00:00
parent 8447156ce0
commit 6131838b7c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=157634
4 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/netipsec/ipsec.c
View File

@ -148,6 +148,7 @@ SYSCTL_INT(_net_inet_ipsec, OID_AUTO,
SYSCTL_STRUCT(_net_inet_ipsec, OID_AUTO,
ipsecstats, CTLFLAG_RD, &newipsecstat, newipsecstat, "");
#ifdef REGRESSION
/*
* When set to 1, IPsec will send packets with the same sequence number.
* This allows to verify if the other side has proper replay attacks detection.
@ -162,6 +163,7 @@ SYSCTL_INT(_net_inet_ipsec, OID_AUTO, test_replay, CTLFLAG_RW, &ipsec_replay, 0,
int ipsec_integrity = 0;
SYSCTL_INT(_net_inet_ipsec, OID_AUTO, test_integrity, CTLFLAG_RW,
&ipsec_integrity, 0, "Emulate man-in-the-middle attack");
#endif
#ifdef INET6
int ip6_esp_trans_deflev = IPSEC_LEVEL_USE;

2
sys/netipsec/ipsec.h
View File

@ -330,8 +330,10 @@ struct ipsec_history {
};
extern int ipsec_debug;
#ifdef REGRESSION
extern int ipsec_replay;
extern int ipsec_integrity;
#endif
extern struct newipsecstat newipsecstat;
extern struct secpolicy ip4_def_policy;

4
sys/netipsec/xform_ah.c
View File

@ -998,8 +998,10 @@ ah_output(
error = EINVAL;
goto bad;
}
#ifdef REGRESSION
/* Emulate replay attack when ipsec_replay is TRUE. */
if (!ipsec_replay)
#endif
sav->replay->count++;
ah->ah_seq = htonl(sav->replay->count);
}
@ -1180,6 +1182,7 @@ ah_output_cb(struct cryptop *crp)
free(tc, M_XDATA);
crypto_freereq(crp);
#ifdef REGRESSION
/* Emulate man-in-the-middle attack when ipsec_integrity is TRUE. */
if (ipsec_integrity) {
int alen;
@ -1191,6 +1194,7 @@ ah_output_cb(struct cryptop *crp)
alen = AUTHSIZE(sav);
m_copyback(m, m->m_pkthdr.len - alen, alen, ipseczeroes);
}
#endif
/* NB: m is reclaimed by ipsec_process_done. */
err = ipsec_process_done(m, isr);

4
sys/netipsec/xform_esp.c
View File

@ -761,8 +761,10 @@ esp_output(
if (sav->replay) {
u_int32_t replay;
#ifdef REGRESSION
/* Emulate replay attack when ipsec_replay is TRUE. */
if (!ipsec_replay)
#endif
sav->replay->count++;
replay = htonl(sav->replay->count);
bcopy((caddr_t) &replay,
@ -947,6 +949,7 @@ esp_output_cb(struct cryptop *crp)
free(tc, M_XDATA);
crypto_freereq(crp);
#ifdef REGRESSION
/* Emulate man-in-the-middle attack when ipsec_integrity is TRUE. */
if (ipsec_integrity) {
static unsigned char ipseczeroes[AH_HMAC_HASHLEN];
@ -962,6 +965,7 @@ esp_output_cb(struct cryptop *crp)
AH_HMAC_HASHLEN, ipseczeroes);
}
}
#endif
/* NB: m is reclaimed by ipsec_process_done. */
err = ipsec_process_done(m, isr);