From f2eaa4beaa1439a9b60005791a764019ae975853 Mon Sep 17 00:00:00 2001 From: Andrew Bartlett Date: Mon, 11 Aug 2008 11:45:45 +1000 Subject: Only allow trust accounts access to the NTP signing service. (This used to be commit 30da1b534f00ba6ef6cf86cba603732bc6e1ad43) --- source4/ntp_signd/ntp_signd.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/source4/ntp_signd/ntp_signd.c b/source4/ntp_signd/ntp_signd.c index c1ac7dbcf4..546743e4e6 100644 --- a/source4/ntp_signd/ntp_signd.c +++ b/source4/ntp_signd/ntp_signd.c @@ -123,7 +123,7 @@ static NTSTATUS ntp_signd_recv(void *private, DATA_BLOB wrapped_input) struct signed_reply signed_reply; enum ndr_err_code ndr_err; struct ldb_result *res; - const char *attrs[] = { "unicodePwd", "userAccountControl", NULL }; + const char *attrs[] = { "unicodePwd", "userAccountControl", "cn", NULL }; struct MD5Context ctx; struct samr_Password *nt_hash; uint32_t user_account_control; @@ -168,7 +168,7 @@ static NTSTATUS ntp_signd_recv(void *private, DATA_BLOB wrapped_input) ret = ldb_search_exp_fmt(ntp_signdconn->ntp_signd->samdb, tmp_ctx, &res, samdb_base_dn(ntp_signdconn->ntp_signd->samdb), - LDB_SCOPE_SUBTREE, attrs, "(&(objectSid=%s)(objectClass=computer))", + LDB_SCOPE_SUBTREE, attrs, "(&(objectSid=%s)(objectClass=user))", dom_sid_string(tmp_ctx, sid)); if (ret != LDB_SUCCESS) { DEBUG(2, ("Failed to search for SID %s in SAM for NTP signing: %s\n", dom_sid_string(tmp_ctx, sid), @@ -188,7 +188,13 @@ static NTSTATUS ntp_signd_recv(void *private, DATA_BLOB wrapped_input) user_account_control = ldb_msg_find_attr_as_uint(res->msgs[0], "userAccountControl", 0); if (user_account_control & UF_ACCOUNTDISABLE) { - DEBUG(1, ("Account for SID [%s] is disabled\n", dom_sid_string(tmp_ctx, sid))); + DEBUG(1, ("Account %s for SID [%s] is disabled\n", ldb_dn_get_linearized(res->msgs[0]->dn), dom_sid_string(tmp_ctx, sid))); + talloc_free(tmp_ctx); + return NT_STATUS_ACCESS_DENIED; + } + + if (!(user_account_control & (UF_INTERDOMAIN_TRUST_ACCOUNT|UF_SERVER_TRUST_ACCOUNT|UF_WORKSTATION_TRUST_ACCOUNT))) { + DEBUG(1, ("Account %s for SID [%s] is not a trust account\n", ldb_dn_get_linearized(res->msgs[0]->dn), dom_sid_string(tmp_ctx, sid))); talloc_free(tmp_ctx); return NT_STATUS_ACCESS_DENIED; } -- cgit