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authorStefan Metzmacher <metze@samba.org>2011-02-01 14:47:05 +0100
committerStefan Metzmacher <metze@samba.org>2011-02-02 11:58:26 +0100
commita4d4217dfa03bda9ace25bb4f54be5e94c09abbf (patch)
treea4f700305868f36f0b2ca396d167d18dadc5c6f2 /source4/rpc_server/netlogon
parent578e87dbf223c2ad529ef5de07630ed5c25a3ad6 (diff)
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s4:rpc_server/netlogon: add dcesrv_netr_LogonSamLogon_check()
We need to check for invalid parameters before we check for access denied. metze
Diffstat (limited to 'source4/rpc_server/netlogon')
-rw-r--r--source4/rpc_server/netlogon/dcerpc_netlogon.c93
1 files changed, 83 insertions, 10 deletions
diff --git a/source4/rpc_server/netlogon/dcerpc_netlogon.c b/source4/rpc_server/netlogon/dcerpc_netlogon.c
index d8a0f98d55..e060380402 100644
--- a/source4/rpc_server/netlogon/dcerpc_netlogon.c
+++ b/source4/rpc_server/netlogon/dcerpc_netlogon.c
@@ -531,6 +531,65 @@ static WERROR dcesrv_netr_LogonUasLogoff(struct dcesrv_call_state *dce_call, TAL
}
+static NTSTATUS dcesrv_netr_LogonSamLogon_check(const struct netr_LogonSamLogonEx *r)
+{
+ switch (r->in.logon_level) {
+ case NetlogonInteractiveInformation:
+ case NetlogonServiceInformation:
+ case NetlogonInteractiveTransitiveInformation:
+ case NetlogonServiceTransitiveInformation:
+ if (r->in.logon->password == NULL) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ switch (r->in.validation_level) {
+ case NetlogonValidationSamInfo: /* 2 */
+ case NetlogonValidationSamInfo2: /* 3 */
+ case NetlogonValidationSamInfo4: /* 6 */
+ break;
+ default:
+ return NT_STATUS_INVALID_INFO_CLASS;
+ }
+
+ break;
+ case NetlogonNetworkInformation:
+ case NetlogonNetworkTransitiveInformation:
+ if (r->in.logon->network == NULL) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ switch (r->in.validation_level) {
+ case NetlogonValidationSamInfo: /* 2 */
+ case NetlogonValidationSamInfo2: /* 3 */
+ case NetlogonValidationSamInfo4: /* 6 */
+ break;
+ default:
+ return NT_STATUS_INVALID_INFO_CLASS;
+ }
+
+ break;
+
+ case NetlogonGenericInformation:
+ if (r->in.logon->generic == NULL) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ switch (r->in.validation_level) {
+ /* TODO: case NetlogonValidationGenericInfo: 4 */
+ case NetlogonValidationGenericInfo2: /* 5 */
+ break;
+ default:
+ return NT_STATUS_INVALID_INFO_CLASS;
+ }
+
+ break;
+ default:
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ return NT_STATUS_OK;
+}
+
/*
netr_LogonSamLogon_base
@@ -771,6 +830,13 @@ static NTSTATUS dcesrv_netr_LogonSamLogonEx(struct dcesrv_call_state *dce_call,
NTSTATUS nt_status;
struct netlogon_creds_CredentialState *creds;
+ *r->out.authoritative = 1;
+
+ nt_status = dcesrv_netr_LogonSamLogon_check(r);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return nt_status;
+ }
+
nt_status = schannel_get_creds_state(mem_ctx,
lpcfg_private_dir(dce_call->conn->dce_ctx->lp_ctx),
r->in.computer_name, &creds);
@@ -798,16 +864,6 @@ static NTSTATUS dcesrv_netr_LogonSamLogonWithFlags(struct dcesrv_call_state *dce
struct netr_Authenticator *return_authenticator;
- return_authenticator = talloc(mem_ctx, struct netr_Authenticator);
- NT_STATUS_HAVE_NO_MEMORY(return_authenticator);
-
- nt_status = dcesrv_netr_creds_server_step_check(dce_call,
- mem_ctx,
- r->in.computer_name,
- r->in.credential, return_authenticator,
- &creds);
- NT_STATUS_NOT_OK_RETURN(nt_status);
-
ZERO_STRUCT(r2);
r2.in.server_name = r->in.server_name;
@@ -820,6 +876,23 @@ static NTSTATUS dcesrv_netr_LogonSamLogonWithFlags(struct dcesrv_call_state *dce
r2.out.authoritative = r->out.authoritative;
r2.out.flags = r->out.flags;
+ *r->out.authoritative = 1;
+
+ nt_status = dcesrv_netr_LogonSamLogon_check(&r2);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ return nt_status;
+ }
+
+ return_authenticator = talloc(mem_ctx, struct netr_Authenticator);
+ NT_STATUS_HAVE_NO_MEMORY(return_authenticator);
+
+ nt_status = dcesrv_netr_creds_server_step_check(dce_call,
+ mem_ctx,
+ r->in.computer_name,
+ r->in.credential, return_authenticator,
+ &creds);
+ NT_STATUS_NOT_OK_RETURN(nt_status);
+
nt_status = dcesrv_netr_LogonSamLogon_base(dce_call, mem_ctx, &r2, creds);
r->out.return_authenticator = return_authenticator;