diff options
Diffstat (limited to 'source4/heimdal/kdc/kerberos5.c')
| -rw-r--r-- | source4/heimdal/kdc/kerberos5.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/source4/heimdal/kdc/kerberos5.c b/source4/heimdal/kdc/kerberos5.c index 2a2c48c233..7930ef42e4 100644 --- a/source4/heimdal/kdc/kerberos5.c +++ b/source4/heimdal/kdc/kerberos5.c @@ -33,7 +33,7 @@ #include "kdc_locl.h" -RCSID("$Id: kerberos5.c 23316 2008-06-23 04:32:32Z lha $"); +RCSID("$Id$"); #define MAX_TIME ((time_t)((1U << 31) - 1)) @@ -85,6 +85,24 @@ _kdc_find_padata(const KDC_REQ *req, int *start, int type) } /* + * This is a hack to allow predefined weak services, like afs to + * still use weak types + */ + +krb5_boolean +_kdc_is_weak_expection(krb5_principal principal, krb5_enctype etype) +{ + if (principal->name.name_string.len > 0 && + strcmp(principal->name.name_string.val[0], "afs") == 0 && + (etype == ETYPE_DES_CBC_CRC + || etype == ETYPE_DES_CBC_MD4 + || etype == ETYPE_DES_CBC_MD5)) + return TRUE; + return FALSE; +} + + +/* * Detect if `key' is the using the the precomputed `default_salt'. */ @@ -120,7 +138,8 @@ _kdc_find_etype(krb5_context context, const hdb_entry_ex *princ, for(i = 0; ret != 0 && i < len ; i++) { Key *key = NULL; - if (krb5_enctype_valid(context, etypes[i]) != 0) + if (krb5_enctype_valid(context, etypes[i]) != 0 && + !_kdc_is_weak_expection(princ->entry.principal, etypes[i])) continue; while (hdb_next_enctype2key(context, &princ->entry, etypes[i], &key) == 0) { |