Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
+ Copyright (C) Stefan Metzmacher <metze@samba.org> 2004-2008
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
bool no_response_expected;
const char *neg_oid;
+
+ DATA_BLOB mech_types;
};
spnego_state->state_position = SPNEGO_CLIENT_START;
spnego_state->sub_sec_security = NULL;
spnego_state->no_response_expected = false;
+ spnego_state->mech_types = data_blob(NULL, 0);
gensec_security->private_data = spnego_state;
return NT_STATUS_OK;
spnego_state->state_position = SPNEGO_SERVER_START;
spnego_state->sub_sec_security = NULL;
spnego_state->no_response_expected = false;
+ spnego_state->mech_types = data_blob(NULL, 0);
gensec_security->private_data = spnego_state;
return NT_STATUS_OK;
for (i=0; all_ops[i]; i++) {
bool is_spnego;
NTSTATUS nt_status;
+
+ if (gensec_security != NULL &&
+ !gensec_security_ops_enabled(all_ops[i], gensec_security->settings->lp_ctx))
+ continue;
+
if (!all_ops[i]->oid) {
continue;
}
int i;
NTSTATUS nt_status = NT_STATUS_INVALID_PARAMETER;
DATA_BLOB null_data_blob = data_blob(NULL,0);
+ bool ok;
const struct gensec_security_ops_wrapper *all_sec
= gensec_security_by_oid_list(gensec_security,
out_mem_ctx,
mechType,
GENSEC_OID_SPNEGO);
+
+ ok = spnego_write_mech_types(spnego_state,
+ mechType,
+ &spnego_state->mech_types);
+ if (!ok) {
+ DEBUG(1, ("SPNEGO: Failed to write mechTypes\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
+
if (spnego_state->state_position == SPNEGO_SERVER_START) {
for (i=0; all_sec && all_sec[i].op; i++) {
/* optomisitic token */
GENSEC_OID_SPNEGO);
for (i=0; all_sec && all_sec[i].op; i++) {
struct spnego_data spnego_out;
+ const char **send_mech_types;
+ bool ok;
+
nt_status = gensec_subcontext_start(spnego_state,
gensec_security,
&spnego_state->sub_sec_security);
}
spnego_out.type = SPNEGO_NEG_TOKEN_INIT;
-
+
+ send_mech_types = gensec_security_oids_from_ops_wrapped(out_mem_ctx,
+ &all_sec[i]);
+
+ ok = spnego_write_mech_types(spnego_state,
+ send_mech_types,
+ &spnego_state->mech_types);
+ if (!ok) {
+ DEBUG(1, ("SPNEGO: Failed to write mechTypes\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
+
/* List the remaining mechs as options */
- spnego_out.negTokenInit.mechTypes = gensec_security_oids_from_ops_wrapped(out_mem_ctx,
- &all_sec[i]);
+ spnego_out.negTokenInit.mechTypes = send_mech_types;
spnego_out.negTokenInit.reqFlags = 0;
if (spnego_state->state_position == SPNEGO_SERVER_START) {
struct spnego_state *spnego_state,
TALLOC_CTX *out_mem_ctx,
NTSTATUS nt_status,
- const DATA_BLOB unwrapped_out, DATA_BLOB *out)
+ const DATA_BLOB unwrapped_out,
+ DATA_BLOB mech_list_mic,
+ DATA_BLOB *out)
{
struct spnego_data spnego_out;
DATA_BLOB null_data_blob = data_blob(NULL, 0);
spnego_out.negTokenTarg.supportedMech = spnego_state->neg_oid;
}
spnego_out.negTokenTarg.negResult = SPNEGO_ACCEPT_COMPLETED;
+ spnego_out.negTokenTarg.mechListMIC = mech_list_mic;
spnego_state->state_position = SPNEGO_DONE;
} else {
spnego_out.negTokenTarg.negResult = SPNEGO_REJECT;
{
struct spnego_state *spnego_state = (struct spnego_state *)gensec_security->private_data;
DATA_BLOB null_data_blob = data_blob(NULL, 0);
+ DATA_BLOB mech_list_mic = data_blob(NULL, 0);
DATA_BLOB unwrapped_out = data_blob(NULL, 0);
struct spnego_data spnego_out;
struct spnego_data spnego;
spnego_state,
out_mem_ctx,
nt_status,
- unwrapped_out,
+ unwrapped_out,
+ null_data_blob,
out);
spnego_free_data(&spnego);
case SPNEGO_SERVER_TARG:
{
NTSTATUS nt_status;
+ bool new_spnego = false;
+
if (!in.length) {
return NT_STATUS_INVALID_PARAMETER;
}
out_mem_ctx,
spnego.negTokenTarg.responseToken,
&unwrapped_out);
+ if (NT_STATUS_IS_OK(nt_status) && spnego.negTokenTarg.mechListMIC.length > 0) {
+ new_spnego = true;
+ nt_status = gensec_check_packet(spnego_state->sub_sec_security,
+ out_mem_ctx,
+ spnego_state->mech_types.data,
+ spnego_state->mech_types.length,
+ spnego_state->mech_types.data,
+ spnego_state->mech_types.length,
+ &spnego.negTokenTarg.mechListMIC);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ DEBUG(2,("GENSEC SPNEGO: failed to verify mechListMIC: %s\n",
+ nt_errstr(nt_status)));
+ }
+ }
+ if (NT_STATUS_IS_OK(nt_status) && new_spnego) {
+ nt_status = gensec_sign_packet(spnego_state->sub_sec_security,
+ out_mem_ctx,
+ spnego_state->mech_types.data,
+ spnego_state->mech_types.length,
+ spnego_state->mech_types.data,
+ spnego_state->mech_types.length,
+ &mech_list_mic);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ DEBUG(2,("GENSEC SPNEGO: failed to sign mechListMIC: %s\n",
+ nt_errstr(nt_status)));
+ }
+ }
nt_status = gensec_spnego_server_negTokenTarg(gensec_security,
spnego_state,
out_mem_ctx,
nt_status,
- unwrapped_out,
+ unwrapped_out,
+ mech_list_mic,
out);
spnego_free_data(&spnego);
spnego.negTokenTarg.supportedMech &&
strcmp(spnego.negTokenTarg.supportedMech, spnego_state->neg_oid) != 0) {
DEBUG(3,("GENSEC SPNEGO: client preferred mech (%s) not accepted, server wants: %s\n",
- gensec_get_name_by_oid(spnego.negTokenTarg.supportedMech),
- gensec_get_name_by_oid(spnego_state->neg_oid)));
+ gensec_get_name_by_oid(gensec_security, spnego.negTokenTarg.supportedMech),
+ gensec_get_name_by_oid(gensec_security, spnego_state->neg_oid)));
talloc_free(spnego_state->sub_sec_security);
nt_status = gensec_subcontext_start(spnego_state,
} else {
nt_status = NT_STATUS_OK;
}
+ if (NT_STATUS_IS_OK(nt_status) && spnego.negTokenTarg.mechListMIC.length > 0) {
+ nt_status = gensec_check_packet(spnego_state->sub_sec_security,
+ out_mem_ctx,
+ spnego_state->mech_types.data,
+ spnego_state->mech_types.length,
+ spnego_state->mech_types.data,
+ spnego_state->mech_types.length,
+ &spnego.negTokenTarg.mechListMIC);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ DEBUG(2,("GENSEC SPNEGO: failed to verify mechListMIC: %s\n",
+ nt_errstr(nt_status)));
+ }
+ }
} else {
+ bool new_spnego = false;
+
nt_status = gensec_update(spnego_state->sub_sec_security,
out_mem_ctx,
spnego.negTokenTarg.responseToken,
&unwrapped_out);
+ if (NT_STATUS_IS_OK(nt_status)
+ && spnego.negTokenTarg.negResult != SPNEGO_ACCEPT_COMPLETED) {
+ new_spnego = gensec_have_feature(spnego_state->sub_sec_security,
+ GENSEC_FEATURE_NEW_SPNEGO);
+ }
+ if (NT_STATUS_IS_OK(nt_status) && new_spnego) {
+ nt_status = gensec_sign_packet(spnego_state->sub_sec_security,
+ out_mem_ctx,
+ spnego_state->mech_types.data,
+ spnego_state->mech_types.length,
+ spnego_state->mech_types.data,
+ spnego_state->mech_types.length,
+ &mech_list_mic);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ DEBUG(2,("GENSEC SPNEGO: failed to sign mechListMIC: %s\n",
+ nt_errstr(nt_status)));
+ }
+ }
if (NT_STATUS_IS_OK(nt_status)) {
spnego_state->no_response_expected = true;
}
return nt_status;
}
- if (unwrapped_out.length) {
+ if (unwrapped_out.length || mech_list_mic.length) {
/* compose reply */
spnego_out.type = SPNEGO_NEG_TOKEN_TARG;
spnego_out.negTokenTarg.negResult = SPNEGO_NONE_RESULT;
spnego_out.negTokenTarg.supportedMech = NULL;
spnego_out.negTokenTarg.responseToken = unwrapped_out;
- spnego_out.negTokenTarg.mechListMIC = null_data_blob;
+ spnego_out.negTokenTarg.mechListMIC = mech_list_mic;
if (spnego_write_data(out_mem_ctx, out, &spnego_out) == -1) {
DEBUG(1, ("Failed to write SPNEGO reply to NEG_TOKEN_TARG\n"));
return NT_STATUS_INVALID_PARAMETER;
}
+static void gensec_spnego_want_feature(struct gensec_security *gensec_security,
+ uint32_t feature)
+{
+ struct spnego_state *spnego_state = (struct spnego_state *)gensec_security->private_data;
+
+ if (!spnego_state || !spnego_state->sub_sec_security) {
+ gensec_security->want_features |= feature;
+ return;
+ }
+
+ gensec_want_feature(spnego_state->sub_sec_security,
+ feature);
+}
+
static bool gensec_spnego_have_feature(struct gensec_security *gensec_security,
uint32_t feature)
{
.unwrap_packets = gensec_spnego_unwrap_packets,
.session_key = gensec_spnego_session_key,
.session_info = gensec_spnego_session_info,
+ .want_feature = gensec_spnego_want_feature,
.have_feature = gensec_spnego_have_feature,
.enabled = true,
.priority = GENSEC_SPNEGO
git.samba.org / ira / wip.git / blobdiff