diff options
| author | Angelos D. Keromytis <angelos@cvs.openbsd.org> | 2001-07-01 18:27:38 +0000 |
|---|---|---|
| committer | Angelos D. Keromytis <angelos@cvs.openbsd.org> | 2001-07-01 18:27:38 +0000 |
| commit | f27953192afc9b5a3e6242306bc5a8d913004d94 (patch) | |
| tree | d83778df751300f28e3347eab2bb7e4a7cb3ac01 /sbin/isakmpd/pf_key_v2.c | |
| parent | 0834bde8262d89fe0a1b8f247c760c2ef2ee40fe (diff) | |
Return the right length for address IDs.
Diffstat (limited to 'sbin/isakmpd/pf_key_v2.c')
| -rw-r--r-- | sbin/isakmpd/pf_key_v2.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/sbin/isakmpd/pf_key_v2.c b/sbin/isakmpd/pf_key_v2.c index 5f1dc88192e..a3fc2523fb5 100644 --- a/sbin/isakmpd/pf_key_v2.c +++ b/sbin/isakmpd/pf_key_v2.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pf_key_v2.c,v 1.73 2001/07/01 05:16:03 angelos Exp $ */ +/* $OpenBSD: pf_key_v2.c,v 1.74 2001/07/01 18:27:37 angelos Exp $ */ /* $EOM: pf_key_v2.c,v 1.79 2000/12/12 00:33:19 niklas Exp $ */ /* @@ -1997,8 +1997,9 @@ pf_key_v2_convert_id (u_int8_t *id, int idlen, int *reslen, int *idtype) case IPSEC_ID_IPV4_ADDR: /* XXX CONNECTION ? */ if (inet_ntop (AF_INET, id + ISAKMP_ID_DATA_OFF - ISAKMP_GEN_SZ, - addrbuf, ADDRESS_MAX) != NULL) - *reslen = strlen (addrbuf) + 4; + addrbuf, ADDRESS_MAX) == NULL) + return 0; + *reslen = strlen (addrbuf) + 3; strcat (addrbuf, "/32"); res = strdup (addrbuf); if (!res) @@ -2008,8 +2009,9 @@ pf_key_v2_convert_id (u_int8_t *id, int idlen, int *reslen, int *idtype) case IPSEC_ID_IPV6_ADDR: /* XXX CONNECTION ? */ if (inet_ntop (AF_INET6, id + ISAKMP_ID_DATA_OFF - ISAKMP_GEN_SZ, - addrbuf, ADDRESS_MAX) != NULL) - *reslen = strlen (addrbuf) + 5; + addrbuf, ADDRESS_MAX) == NULL) + return 0; + *reslen = strlen (addrbuf) + 4; strcat (addrbuf, "/128"); res = strdup (addrbuf); if (!res) @@ -2019,11 +2021,12 @@ pf_key_v2_convert_id (u_int8_t *id, int idlen, int *reslen, int *idtype) case IPSEC_ID_IPV4_ADDR_SUBNET: /* XXX PREFIX */ addr = id + ISAKMP_ID_DATA_OFF - ISAKMP_GEN_SZ; - if (inet_ntop (AF_INET, addr, addrbuf, ADDRESS_MAX) != NULL) - *reslen = strlen (addrbuf) + 4; + if (inet_ntop (AF_INET, addr, addrbuf, ADDRESS_MAX) == NULL) + return 0; sprintf (addrbuf + strlen (addrbuf), "/%d", pf_key_v2_mask_to_bits ((u_int32_t)*(addr + sizeof (struct in_addr)))); + *reslen = strlen(addrbuf); res = strdup (addrbuf); if (!res) return 0; @@ -2032,10 +2035,11 @@ pf_key_v2_convert_id (u_int8_t *id, int idlen, int *reslen, int *idtype) case IPSEC_ID_IPV6_ADDR_SUBNET: /* XXX PREFIX */ addr = id + ISAKMP_ID_DATA_OFF - ISAKMP_GEN_SZ; - if (inet_ntop (AF_INET6, addr, addrbuf, ADDRESS_MAX) != NULL) - *reslen = strlen (addrbuf) + 5; + if (inet_ntop (AF_INET6, addr, addrbuf, ADDRESS_MAX) == NULL) + return 0; sprintf (addrbuf + strlen (addrbuf), "/%d", pf_key_v2_mask6_to_bits (addr + sizeof (struct in6_addr))); + *reslen = strlen (addrbuf); res = strdup (addrbuf); if (!res) return 0; |