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-rw-r--r--source3/rpc_server/srv_epmapper.c335
1 files changed, 327 insertions, 8 deletions
diff --git a/source3/rpc_server/srv_epmapper.c b/source3/rpc_server/srv_epmapper.c
index be55b339e6..07097e4bad 100644
--- a/source3/rpc_server/srv_epmapper.c
+++ b/source3/rpc_server/srv_epmapper.c
@@ -28,6 +28,7 @@ typedef uint32_t error_status_t;
/* An endpoint combined with an interface description */
struct dcesrv_ep_iface {
const char *name;
+ struct ndr_syntax_id syntax_id;
struct epm_tower ep;
};
@@ -161,8 +162,7 @@ static uint32_t build_ep_list(TALLOC_CTX *mem_ctx,
struct dcerpc_binding *description;
for (iface = d->iface_list; iface != NULL; iface = iface->next) {
- if (uuid != NULL &&
- !interface_match_by_uuid(iface->iface, uuid)) {
+ if (uuid && !interface_match_by_uuid(iface->iface, uuid)) {
continue;
}
@@ -173,7 +173,9 @@ static uint32_t build_ep_list(TALLOC_CTX *mem_ctx,
if (eps == NULL) {
return 0;
}
- eps[total].name = iface->iface->name;
+ eps[total].name = talloc_strdup(eps,
+ iface->iface->name);
+ eps[total].syntax_id = iface->iface->syntax_id;
description = d->ep_description;
description->object = iface->iface->syntax_id;
@@ -387,13 +389,330 @@ done:
/*
- epm_Lookup
-*/
+ * epm_Lookup
+ *
+ * Lookup entries in an endpoint map.
+ */
error_status_t _epm_Lookup(struct pipes_struct *p,
- struct epm_Lookup *r)
+ struct epm_Lookup *r)
{
- p->rng_fault_state = true;
- return EPMAPPER_STATUS_CANT_PERFORM_OP;
+ struct policy_handle *entry_handle;
+ TALLOC_CTX *tmp_ctx;
+ error_status_t rc;
+ uint32_t count = 0;
+ uint32_t num_ents = 0;
+ uint32_t i;
+ bool match = false;
+ bool ok;
+
+ struct rpc_eps {
+ struct dcesrv_ep_iface *e;
+ uint32_t count;
+ } *eps;
+
+ *r->out.num_ents = 0;
+ r->out.entries = NULL;
+
+ tmp_ctx = talloc_stackframe();
+ if (tmp_ctx == NULL) {
+ return EPMAPPER_STATUS_NO_MEMORY;
+ }
+
+ DEBUG(3, ("_epm_Lookup: Trying to lookup max. %u entries.\n",
+ r->in.max_ents));
+
+ if (r->in.entry_handle == NULL ||
+ policy_handle_empty(r->in.entry_handle)) {
+ struct GUID *obj;
+
+ DEBUG(5, ("_epm_Lookup: No entry_handle found, creating it.\n"));
+
+ eps = talloc_zero(tmp_ctx, struct rpc_eps);
+ if (eps == NULL) {
+ rc = EPMAPPER_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ if (r->in.object == NULL || GUID_all_zero(r->in.object)) {
+ obj = NULL;
+ } else {
+ obj = r->in.object;
+ }
+
+ switch (r->in.inquiry_type) {
+ case RPC_C_EP_ALL_ELTS:
+ /*
+ * Return all elements from the endpoint map. The
+ * interface_id, vers_option, and object parameters MUST
+ * be ignored.
+ */
+ eps->count = build_ep_list(eps,
+ endpoint_table,
+ NULL,
+ &eps->e);
+ break;
+ case RPC_C_EP_MATCH_BY_IF:
+ /*
+ * Return endpoint map elements that contain the
+ * interface identifier specified by the interface_id
+ * and vers_option values.
+ *
+ * RPC_C_EP_MATCH_BY_IF and RPC_C_EP_MATCH_BY_BOTH
+ * need both the same endpoint list. There is a second
+ * check for the inquiry_type below which differentiates
+ * between them.
+ */
+ case RPC_C_EP_MATCH_BY_BOTH:
+ /*
+ * Return endpoint map elements that contain the
+ * interface identifier and object UUID specified by
+ * interface_id, vers_option, and object.
+ */
+ eps->count = build_ep_list(eps,
+ endpoint_table,
+ &r->in.interface_id->uuid,
+ &eps->e);
+ break;
+ case RPC_C_EP_MATCH_BY_OBJ:
+ /*
+ * Return endpoint map elements that contain the object
+ * UUID specified by object.
+ */
+ eps->count = build_ep_list(eps,
+ endpoint_table,
+ r->in.object,
+ &eps->e);
+ break;
+ default:
+ rc = EPMAPPER_STATUS_CANT_PERFORM_OP;
+ goto done;
+ }
+
+ if (eps->count == 0) {
+ rc = EPMAPPER_STATUS_NO_MORE_ENTRIES;
+ goto done;
+ }
+
+ ok = create_policy_hnd(p, r->out.entry_handle, eps);
+ if (!ok) {
+ rc = EPMAPPER_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ ok = find_policy_by_hnd(p, r->out.entry_handle, (void **)(void*) &eps);
+ if (!ok) {
+ rc = EPMAPPER_STATUS_NO_MEMORY;
+ goto done;
+ }
+ entry_handle = r->out.entry_handle;
+ } else {
+ DEBUG(5, ("_epm_Lookup: Trying to find entry_handle.\n"));
+
+ ok = find_policy_by_hnd(p, r->in.entry_handle, (void **)(void*) &eps);
+ if (!ok) {
+ rc = EPMAPPER_STATUS_NO_MEMORY;
+ goto done;
+ }
+ entry_handle = r->in.entry_handle;
+ }
+
+ if (eps == NULL || eps->e == NULL) {
+ rc = EPMAPPER_STATUS_NO_MORE_ENTRIES;
+ goto done;
+ }
+
+ /* return the next N elements */
+ count = r->in.max_ents;
+ if (count > eps->count) {
+ count = eps->count;
+ }
+
+ DEBUG(3, ("_epm_Lookup: Find %u entries\n", count));
+
+ if (count == 0) {
+ close_policy_hnd(p, entry_handle);
+ ZERO_STRUCTP(r->out.entry_handle);
+
+ rc = EPMAPPER_STATUS_NO_MORE_ENTRIES;
+ goto done;
+ }
+
+ r->out.entries = talloc_array(p->mem_ctx, struct epm_entry_t, count);
+ if (r->out.entries == NULL) {
+ rc = EPMAPPER_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ for (i = 0; i < count; i++) {
+ match = false;
+
+ switch (r->in.inquiry_type) {
+ case RPC_C_EP_ALL_ELTS:
+ /*
+ * Return all elements from the endpoint map. The
+ * interface_id, vers_option, and object parameters MUST
+ * be ignored.
+ */
+ match = true;
+ break;
+ case RPC_C_EP_MATCH_BY_IF:
+ /*
+ * Return endpoint map elements that contain the
+ * interface identifier specified by the interface_id
+ * and vers_option values.
+ */
+ if (GUID_equal(&r->in.interface_id->uuid,
+ &eps->e[i].syntax_id.uuid)) {
+ match = true;
+ }
+ break;
+ case RPC_C_EP_MATCH_BY_OBJ:
+ /*
+ * Return endpoint map elements that contain the object
+ * UUID specified by object.
+ */
+ if (GUID_equal(r->in.object,
+ &eps->e[i].syntax_id.uuid)) {
+ match = true;
+ }
+ break;
+ case RPC_C_EP_MATCH_BY_BOTH:
+ /*
+ * Return endpoint map elements that contain the
+ * interface identifier and object UUID specified by
+ * interface_id, vers_option, and object.
+ */
+ if (GUID_equal(&r->in.interface_id->uuid,
+ &eps->e[i].syntax_id.uuid) &&
+ GUID_equal(r->in.object, &eps->e[i].syntax_id.uuid)) {
+ match = true;
+ }
+ break;
+ default:
+ return EPMAPPER_STATUS_CANT_PERFORM_OP;
+ }
+
+ if (match) {
+ if (r->in.inquiry_type == RPC_C_EP_MATCH_BY_IF ||
+ r->in.inquiry_type == RPC_C_EP_MATCH_BY_OBJ) {
+ /* Check inteface version */
+
+ match = false;
+ switch (r->in.vers_option) {
+ case RPC_C_VERS_ALL:
+ /*
+ * Return endpoint map elements that
+ * contain the specified interface UUID,
+ * regardless of the version numbers.
+ */
+ match = true;
+ break;
+ case RPC_C_VERS_COMPATIBLE:
+ /*
+ * Return the endpoint map elements that
+ * contain the same major versions of
+ * the specified interface UUID and a
+ * minor version greater than or equal
+ * to the minor version of the specified
+ * UUID.
+ */
+ if (r->in.interface_id->vers_major ==
+ (eps->e[i].syntax_id.if_version >> 16) &&
+ r->in.interface_id->vers_minor <=
+ (eps->e[i].syntax_id.if_version && 0xFFFF)) {
+ match = true;
+ }
+ break;
+ case RPC_C_VERS_EXACT:
+ /*
+ * Return endpoint map elements that
+ * contain the specified version of the
+ * specified interface UUID.
+ */
+ if (r->in.interface_id->vers_major ==
+ (eps->e[i].syntax_id.if_version >> 16) &&
+ r->in.interface_id->vers_minor ==
+ (eps->e[i].syntax_id.if_version && 0xFFFF)) {
+ match = true;
+ }
+ match = true;
+ break;
+ case RPC_C_VERS_MAJOR_ONLY:
+ /*
+ * Return endpoint map elements that
+ * contain the same version of the
+ * specified interface UUID and ignore
+ * the minor version.
+ */
+ if (r->in.interface_id->vers_major ==
+ (eps->e[i].syntax_id.if_version >> 16)) {
+ match = true;
+ }
+ match = true;
+ break;
+ case RPC_C_VERS_UPTO:
+ /*
+ * Return endpoint map elements that
+ * contain a version of the specified
+ * interface UUID less than or equal to
+ * the specified major and minor
+ * version.
+ */
+ if (r->in.interface_id->vers_major >
+ eps->e[i].syntax_id.if_version >> 16) {
+ match = true;
+ } else {
+ if (r->in.interface_id->vers_major ==
+ (eps->e[i].syntax_id.if_version >> 16) &&
+ r->in.interface_id->vers_minor >=
+ (eps->e[i].syntax_id.if_version && 0xFFFF)) {
+ match = true;
+ }
+ }
+ break;
+ default:
+ return EPMAPPER_STATUS_CANT_PERFORM_OP;
+ }
+ }
+ }
+
+ if (match) {
+ ZERO_STRUCT(r->out.entries[num_ents].object);
+
+ DEBUG(10, ("_epm_Lookup: Adding tower for '%s'\n",
+ eps->e[i].name));
+ r->out.entries[num_ents].annotation = talloc_strdup(r->out.entries,
+ eps->e[i].name);
+ r->out.entries[num_ents].tower = talloc(r->out.entries,
+ struct epm_twr_t);
+ if (r->out.entries[num_ents].tower == NULL) {
+ rc = EPMAPPER_STATUS_NO_MEMORY;
+ goto done;
+ }
+ r->out.entries[num_ents].tower->tower.floors = talloc_move(r->out.entries[num_ents].tower, &eps->e[i].ep.floors);
+ r->out.entries[num_ents].tower->tower.num_floors = eps->e[i].ep.num_floors;
+ r->out.entries[num_ents].tower->tower_length = 0;
+
+ num_ents++;
+ }
+ } /* end for loop */
+
+ *r->out.num_ents = num_ents;
+
+ eps->count -= count;
+ eps->e += count;
+ if (eps->count == 0) {
+ close_policy_hnd(p, entry_handle);
+ ZERO_STRUCTP(r->out.entry_handle);
+ rc = EPMAPPER_STATUS_NO_MORE_ENTRIES;
+ goto done;
+ }
+
+ rc = EPMAPPER_STATUS_OK;
+done:
+ talloc_free(tmp_ctx);
+
+ return rc;
}
/*
generated by cgit (git 2.34.1) at 2024-11-10 03:40:11 +0000