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r1057: added rpc packet logging for packets that generate rpc faults. This

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makes it much easier to develop the IDL for new requests, especially
for sealed pipes, where ethereal cannot easily extract the data.
(This used to be commit 0cde043592)
This commit is contained in:
Andrew Tridgell 2004-06-07 03:13:38 +00:00 committed by Gerald (Jerry) Carter
parent 0cb60c618a
commit f5108651ee
1 changed files with 38 additions and 0 deletions
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38
source4/rpc_server/dcerpc_server.c
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@ -552,6 +552,40 @@ static NTSTATUS dcesrv_auth3(struct dcesrv_call_state *call)
}
/*
log a rpc packet in a format suitable for ndrdump. This is especially useful
for sealed packets, where ethereal cannot easily see the contents
this triggers on a debug level of >= 10
*/
static void log_rpc_packet(const struct dcesrv_interface *iface,
uint32_t opnum, uint32_t flags, DATA_BLOB *pkt)
{
const int num_examples = 20;
int i;
if (DEBUGLEVEL < 10) return;
for (i=0;i<num_examples;i++) {
char *name=NULL;
asprintf(&name, "%s/rpclog/%s-%u.%d.%s",
lp_lockdir(), iface->ndr->name, opnum, i,
(flags&NDR_IN)?"in":"out");
if (name == NULL) {
return;
}
if (!file_exist(name, NULL)) {
if (file_save(name, pkt->data, pkt->length)) {
DEBUG(10,("Logged rpc packet to %s\n", name));
}
free(name);
break;
}
free(name);
}
}
/*
handle a dcerpc request packet
*/
@ -593,6 +627,8 @@ static NTSTATUS dcesrv_request(struct dcesrv_call_state *call)
/* unravel the NDR for the packet */
status = call->conn->iface->ndr->calls[opnum].ndr_pull(pull, NDR_IN, r);
if (!NT_STATUS_IS_OK(status)) {
log_rpc_packet(call->conn->iface, opnum, NDR_IN,
&call->pkt.u.request.stub_and_verifier);
return dcesrv_fault(call, DCERPC_FAULT_NDR);
}
@ -601,6 +637,8 @@ static NTSTATUS dcesrv_request(struct dcesrv_call_state *call)
/* call the dispatch function */
status = call->conn->iface->dispatch(call, call->mem_ctx, r);
if (!NT_STATUS_IS_OK(status)) {
log_rpc_packet(call->conn->iface, opnum, NDR_IN,
&call->pkt.u.request.stub_and_verifier);
return dcesrv_fault(call, call->fault_code);
}