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authorAndrew Bartlett <abartlet@samba.org>2008-07-31 07:47:01 +1000
committerAndrew Bartlett <abartlet@samba.org>2008-07-31 07:47:01 +1000
commit2a0677e514b5b9f91d32339077cc7e4187525c3b (patch)
treeef927dcf1dad06c032d1155ad5380bfe90c37c67 /source4/kdc
parent2b0ed1832a4935591b9aa4dcb7db53c17b72cd50 (diff)
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Start implementind domain trusts in our KDC.
Andrew Bartlett (This used to be commit 736ce50afd9da9b5fbc3db777fd5341dfa4b721a)
Diffstat (limited to 'source4/kdc')
-rw-r--r--source4/kdc/hdb-ldb.c40
1 files changed, 33 insertions, 7 deletions
diff --git a/source4/kdc/hdb-ldb.c b/source4/kdc/hdb-ldb.c
index 8f8ce3074b..a997eb097c 100644
--- a/source4/kdc/hdb-ldb.c
+++ b/source4/kdc/hdb-ldb.c
@@ -853,7 +853,8 @@ static krb5_error_code LDB_fetch_krbtgt(krb5_context context, HDB *db,
{
krb5_error_code ret;
struct ldb_message **msg = NULL;
- struct ldb_message **realm_ref_msg = NULL;
+ struct ldb_message **realm_ref_msg_1 = NULL;
+ struct ldb_message **realm_ref_msg_2 = NULL;
struct ldb_dn *realm_dn;
krb5_principal alloc_principal = NULL;
@@ -864,14 +865,18 @@ static krb5_error_code LDB_fetch_krbtgt(krb5_context context, HDB *db,
}
/* krbtgt case. Either us or a trusted realm */
+
if ((LDB_lookup_realm(context, (struct ldb_context *)db->hdb_db,
- mem_ctx, principal->name.name_string.val[1], &realm_ref_msg) == 0)) {
+ mem_ctx, principal->realm, &realm_ref_msg_1) == 0)
+ && (LDB_lookup_realm(context, (struct ldb_context *)db->hdb_db,
+ mem_ctx, principal->name.name_string.val[1], &realm_ref_msg_2) == 0)
+ && (ldb_dn_cmp(realm_ref_msg_1[0]->dn, realm_ref_msg_1[0]->dn) == 0)) {
/* us */
/* Cludge, cludge cludge. If the realm part of krbtgt/realm,
* is in our db, then direct the caller at our primary
- * krgtgt */
+ * krbtgt */
- const char *dnsdomain = ldb_msg_find_attr_as_string(realm_ref_msg[0], "dnsRoot", NULL);
+ const char *dnsdomain = ldb_msg_find_attr_as_string(realm_ref_msg_1[0], "dnsRoot", NULL);
char *realm_fixed = strupper_talloc(mem_ctx, dnsdomain);
if (!realm_fixed) {
krb5_set_error_string(context, "strupper_talloc: out of memory");
@@ -891,8 +896,26 @@ static krb5_error_code LDB_fetch_krbtgt(krb5_context context, HDB *db,
return ENOMEM;
}
principal = alloc_principal;
- realm_dn = samdb_result_dn((struct ldb_context *)db->hdb_db, mem_ctx, realm_ref_msg[0], "nCName", NULL);
+ realm_dn = samdb_result_dn((struct ldb_context *)db->hdb_db, mem_ctx, realm_ref_msg_1[0], "nCName", NULL);
} else {
+ enum direction {
+ INBOUND,
+ OUTBOUND
+ }
+
+ struct loadparm_context *lp_ctx = talloc_get_type(ldb_get_opaque(ldb, "loadparm"), struct loadparm_context *);
+ /* Either an inbound or outbound trust */
+
+ if (strcasecmp(lp_realm(lp_ctx), principal->realm) == 0) {
+ /* look for inbound trust */
+ }
+
+ if (strcasecmp(lp_realm(lp_ctx), principal->name.name_string.val[1]) == 0) {
+ /* look for outbound trust */
+ }
+
+ /* Trusted domains are under CN=system */
+
/* we should lookup trusted domains */
return HDB_ERR_NOENTRY;
}
@@ -1022,10 +1045,13 @@ static krb5_error_code LDB_fetch(krb5_context context, HDB *db,
if (ret != HDB_ERR_NOENTRY) goto done;
}
if (flags & HDB_F_GET_SERVER) {
- ret = LDB_fetch_server(context, db, mem_ctx, principal, flags, entry_ex);
- if (ret != HDB_ERR_NOENTRY) goto done;
+ /* krbtgt fits into this situation for trusted realms, and for resolving different versions of our own realm name */
ret = LDB_fetch_krbtgt(context, db, mem_ctx, principal, flags, entry_ex);
if (ret != HDB_ERR_NOENTRY) goto done;
+
+ /* We return 'no entry' if it does not start with krbtgt/, so move to the common case quickly */
+ ret = LDB_fetch_server(context, db, mem_ctx, principal, flags, entry_ex);
+ if (ret != HDB_ERR_NOENTRY) goto done;
}
if (flags & HDB_F_GET_KRBTGT) {
ret = LDB_fetch_krbtgt(context, db, mem_ctx, principal, flags, entry_ex);