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s3-epmapper: Added epm_Map function from Samba4.

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This commit is contained in:
Andreas Schneider 2010-10-04 17:58:33 +02:00 committed by Andreas Schneider
parent 6747b89b3c
commit 658c05b939
1 changed files with 77 additions and 4 deletions
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81
source3/rpc_server/srv_epmapper.c
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@ -25,6 +25,12 @@
typedef uint32_t error_status_t;
/* An endpoint combined with an interface description */
struct dcesrv_ep_iface {
const char *name;
struct epm_tower ep;
};
/* A rpc service interface like samr, lsarpc or netlogon */
struct dcesrv_iface {
const char *name;
@ -133,7 +139,7 @@ static uint32_t build_ep_list(TALLOC_CTX *mem_ctx,
struct dcesrv_endpoint *endpoint_list,
struct dcesrv_ep_iface **peps)
{
struct dcesrv_ep_iface *eps;
struct dcesrv_ep_iface *eps = NULL;
struct dcesrv_endpoint *d;
uint32_t total = 0;
NTSTATUS status;
@ -375,16 +381,83 @@ error_status_t _epm_Lookup(struct pipes_struct *p,
return EPMAPPER_STATUS_CANT_PERFORM_OP;
}
/*
* epm_Map
*
* Apply some algorithm (using the fields in the map_tower) to an endpoint map
* to produce a list of protocol towers.
*/
error_status_t _epm_Map(struct pipes_struct *p,
struct epm_Map *r)
{
p->rng_fault_state = true;
return EPMAPPER_STATUS_CANT_PERFORM_OP;
enum dcerpc_transport_t transport;
struct ndr_syntax_id ndr_syntax;
struct dcesrv_ep_iface *eps;
struct epm_floor *floors;
uint32_t count, i;
count = build_ep_list(p->mem_ctx, endpoint_table, &eps);
ZERO_STRUCT(*r->out.entry_handle);
r->out.num_towers = talloc(p->mem_ctx, uint32_t);
if (r->out.num_towers == NULL) {
return EPMAPPER_STATUS_NO_MEMORY;
}
*r->out.num_towers = 1;
r->out.towers = talloc(p->mem_ctx, struct epm_twr_p_t);
if (r->out.towers == NULL) {
return EPMAPPER_STATUS_NO_MEMORY;
}
r->out.towers->twr = talloc(p->mem_ctx, struct epm_twr_t);
if (r->out.towers->twr == NULL) {
return EPMAPPER_STATUS_NO_MEMORY;
}
if (r->in.map_tower == NULL || r->in.max_towers == 0 ||
r->in.map_tower->tower.num_floors < 3) {
goto failed;
}
floors = r->in.map_tower->tower.floors;
dcerpc_floor_get_lhs_data(&r->in.map_tower->tower.floors[1], &ndr_syntax);
if (floors[1].lhs.protocol != EPM_PROTOCOL_UUID ||
!GUID_equal(&ndr_syntax.uuid, &ndr_transfer_syntax.uuid) ||
ndr_syntax.if_version != ndr_transfer_syntax.if_version) {
goto failed;
}
transport = dcerpc_transport_by_tower(&r->in.map_tower->tower);
if (transport == -1) {
DEBUG(2, ("epm_Insert: Client requested unknown transport with levels: "));
for (i = 2; i < r->in.map_tower->tower.num_floors; i++) {
DEBUG(2, ("%d, ", r->in.map_tower->tower.floors[i].lhs.protocol));
}
DEBUG(2, ("\n"));
goto failed;
}
for (i = 0; i < count; i++) {
if (data_blob_cmp(&r->in.map_tower->tower.floors[0].lhs.lhs_data,
&eps[i].ep.floors[0].lhs.lhs_data) != 0 ||
transport != dcerpc_transport_by_tower(&eps[i].ep)) {
continue;
}
r->out.towers->twr->tower = eps[i].ep;
r->out.towers->twr->tower_length = 0;
return EPMAPPER_STATUS_OK;
}
failed:
*r->out.num_towers = 0;
r->out.towers->twr = NULL;
return EPMAPPER_STATUS_NO_MORE_ENTRIES;
}
/*