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auth/spnego: don't call gensec_spnego_server_response() with a fatal error

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It doesn't make sense to produce an output token without
returning OK or MORE_PROCESSING_REQUIRED.

Even in v4-0-test we had gensec_spnego_update_wrapper()
which only passed the constructed output token to the caller
with OK or MORE_PROCESSING_REQUIRED.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This commit is contained in:
Stefan Metzmacher 2017-07-17 21:54:51 +02:00 committed by Andreas Schneider
parent 3e6daa30f5
commit eedb810550
1 changed files with 11 additions and 4 deletions
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15
auth/gensec/spnego.c
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@ -1048,7 +1048,8 @@ static NTSTATUS gensec_spnego_server_negTokenInit(struct gensec_security *gensec
if (GENSEC_UPDATE_IS_NTERROR(status)) {
DBG_WARNING("%s: NEG_TOKEN_INIT failed: %s\n",
cur_sec->op->name, nt_errstr(status));
goto reply;
TALLOC_FREE(frame);
return status;
}
spnego_state->neg_oid = cur_sec->oid;
@ -1056,7 +1057,8 @@ static NTSTATUS gensec_spnego_server_negTokenInit(struct gensec_security *gensec
}
DBG_WARNING("Could not find a suitable mechtype in NEG_TOKEN_INIT\n");
status = NT_STATUS_INVALID_PARAMETER;
TALLOC_FREE(frame);
return NT_STATUS_INVALID_PARAMETER;
reply:
if (spnego_state->simulate_w2k) {
@ -1118,7 +1120,7 @@ static NTSTATUS gensec_spnego_server_negTokenTarg(struct gensec_security *gensec
if (!NT_STATUS_IS_OK(status)) {
DBG_WARNING("failed to verify mechListMIC: %s\n",
nt_errstr(status));
goto server_response;
return status;
}
spnego_state->needs_mic_check = false;
@ -1130,6 +1132,11 @@ static NTSTATUS gensec_spnego_server_negTokenTarg(struct gensec_security *gensec
status = gensec_update_ev(spnego_state->sub_sec_security,
out_mem_ctx, ev,
sub_in, &sub_out);
if (GENSEC_UPDATE_IS_NTERROR(status)) {
DEBUG(2, ("SPNEGO login failed: %s\n",
nt_errstr(status)));
return status;
}
if (NT_STATUS_IS_OK(status)) {
spnego_state->sub_sec_ready = true;
}
@ -1166,7 +1173,7 @@ static NTSTATUS gensec_spnego_server_negTokenTarg(struct gensec_security *gensec
if (!NT_STATUS_IS_OK(status)) {
DBG_WARNING("failed to verify mechListMIC: %s\n",
nt_errstr(status));
goto server_response;
return status;
}
spnego_state->needs_mic_check = false;