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Start implementind domain trusts in our KDC.

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Andrew Bartlett
This commit is contained in:
Andrew Bartlett 2008-07-31 07:47:01 +10:00
parent 8e201ecf3e
commit 8aba7c3623
1 changed files with 33 additions and 7 deletions
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40
source/kdc/hdb-ldb.c
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@ -853,7 +853,8 @@ static krb5_error_code LDB_fetch_krbtgt(krb5_context context, HDB *db,
{ {
krb5_error_code ret; krb5_error_code ret;
struct ldb_message **msg = NULL; 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; struct ldb_dn *realm_dn;
krb5_principal alloc_principal = NULL; 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 */ /* krbtgt case. Either us or a trusted realm */
if ((LDB_lookup_realm(context, (struct ldb_context *)db->hdb_db, 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 */ /* us */
/* Cludge, cludge cludge. If the realm part of krbtgt/realm, /* Cludge, cludge cludge. If the realm part of krbtgt/realm,
* is in our db, then direct the caller at our primary * 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); char *realm_fixed = strupper_talloc(mem_ctx, dnsdomain);
if (!realm_fixed) { if (!realm_fixed) {
krb5_set_error_string(context, "strupper_talloc: out of memory"); 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; return ENOMEM;
} }
principal = alloc_principal; 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 { } 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 */ /* we should lookup trusted domains */
return HDB_ERR_NOENTRY; 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 (ret != HDB_ERR_NOENTRY) goto done;
} }
if (flags & HDB_F_GET_SERVER) { if (flags & HDB_F_GET_SERVER) {
ret = LDB_fetch_server(context, db, mem_ctx, principal, flags, entry_ex); /* krbtgt fits into this situation for trusted realms, and for resolving different versions of our own realm name */
if (ret != HDB_ERR_NOENTRY) goto done;
ret = LDB_fetch_krbtgt(context, db, mem_ctx, principal, flags, entry_ex); ret = LDB_fetch_krbtgt(context, db, mem_ctx, principal, flags, entry_ex);
if (ret != HDB_ERR_NOENTRY) goto done; 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) { if (flags & HDB_F_GET_KRBTGT) {
ret = LDB_fetch_krbtgt(context, db, mem_ctx, principal, flags, entry_ex); ret = LDB_fetch_krbtgt(context, db, mem_ctx, principal, flags, entry_ex);