it turns out that a wire policy handle isn't a blob either, its a
authorAndrew Tridgell <tridge@samba.org>
Tue, 16 Dec 2003 09:50:49 +0000 (09:50 +0000)
committerAndrew Tridgell <tridge@samba.org>
Tue, 16 Dec 2003 09:50:49 +0000 (09:50 +0000)
uint32 followed by a GUID. I needed to fix this to support running in
mixed-mode rpc (where smbtorture is bigendian and w2k3 is
little-endian). Otherwise when you send back a policy handle the
server doesn't recognise it.
(This used to be commit 9b1c76a8e9e953e051072441f8938ee17a674d35)

source4/lib/util_uuid.c
source4/librpc/idl/misc.idl
source4/rpc_server/dcerpc_server.c
source4/rpc_server/dcerpc_server.h
source4/rpc_server/handles.c

index 0c607fb82387c9a1102445c35d85ea1451a3416f..c7858aae726ec70dcd335d5a685b6fed4bb3d74f 100644 (file)
@@ -28,3 +28,29 @@ void uuid_generate_random(struct GUID *out)
        out->clock_seq[0] = (out->clock_seq[0] & 0x3F) | 0x80;
        out->time_hi_and_version = (out->time_hi_and_version & 0x0FFF) | 0x4000;
 }
        out->clock_seq[0] = (out->clock_seq[0] & 0x3F) | 0x80;
        out->time_hi_and_version = (out->time_hi_and_version & 0x0FFF) | 0x4000;
 }
+
+BOOL uuid_all_zero(const struct GUID *u)
+{
+       if (u->time_low != 0 ||
+           u->time_mid != 0 ||
+           u->time_hi_and_version != 0 ||
+           u->clock_seq[0] != 0 ||
+           u->clock_seq[1] != 0 ||
+           !all_zero(u->node, 6)) {
+               return False;
+       }
+       return True;
+}
+
+BOOL uuid_equal(const struct GUID *u1, const struct GUID *u2)
+{
+       if (u1->time_low != u2->time_low ||
+           u1->time_mid != u2->time_mid ||
+           u1->time_hi_and_version != u2->time_hi_and_version ||
+           u1->clock_seq[0] != u2->clock_seq[0] ||
+           u1->clock_seq[1] != u2->clock_seq[1] ||
+           memcmp(u1->node, u2->node, 6) != 0) {
+               return False;
+       }
+       return True;
+}
index a1f8549eaa217f60e7b847c01c443a4bb61ae9cf..e6b17722841181e650aaab1e216c42eb1668d457 100644 (file)
@@ -58,11 +58,11 @@ interface misc
                [relative] security_acl *dacl; /* user (discretionary) ACL */
        } security_descriptor;
 
                [relative] security_acl *dacl; /* user (discretionary) ACL */
        } security_descriptor;
 
-       typedef [public, flag(NDR_PAHEX)] struct {
-               uint8 data[20];
+       typedef [public] struct {
+               uint32 handle_type;
+               GUID   uuid;
        } policy_handle;
 
        } policy_handle;
 
-
        /* a 4 byte aligned 64-bit integer */
        typedef [public] struct {
                uint32 low;
        /* a 4 byte aligned 64-bit integer */
        typedef [public] struct {
                uint32 low;
index 5780de0c302bfabd65729f0ddce24a90d063616c..081b5b1d5abd040c4f47e080891abd7ea4cef2f6 100644 (file)
@@ -128,7 +128,6 @@ NTSTATUS dcesrv_endpoint_connect_ops(struct dcesrv_context *dce,
        (*p)->ndr = NULL;
        (*p)->dispatch = NULL;
        (*p)->handles = NULL;
        (*p)->ndr = NULL;
        (*p)->dispatch = NULL;
        (*p)->handles = NULL;
-       (*p)->next_handle = 0;
        (*p)->partial_input = data_blob(NULL, 0);
        (*p)->auth_state.ntlmssp_state = NULL;
        (*p)->auth_state.auth_info = NULL;
        (*p)->partial_input = data_blob(NULL, 0);
        (*p)->auth_state.ntlmssp_state = NULL;
        (*p)->auth_state.auth_info = NULL;
index e731a5719c1315f5394a99b489fe39630e156de2..8481372d55066f8b66c9d4438337c52f576b9a31 100644 (file)
@@ -108,7 +108,6 @@ struct dcesrv_state {
 
        /* current rpc handles - this is really the wrong scope for
           them, but it will do for now */
 
        /* current rpc handles - this is really the wrong scope for
           them, but it will do for now */
-       uint32 next_handle;
        struct dcesrv_handle *handles;
 
        DATA_BLOB partial_input;
        struct dcesrv_handle *handles;
 
        DATA_BLOB partial_input;
index 6b7d42226786a755b9cbcbac216b1435cfe22bee..df7745f6da054b979562d755d51be9134e88c56f 100644 (file)
@@ -43,15 +43,9 @@ struct dcesrv_handle *dcesrv_handle_new(struct dcesrv_state *dce,
        h->mem_ctx = mem_ctx;
        h->data = NULL;
 
        h->mem_ctx = mem_ctx;
        h->data = NULL;
 
-       memset(h->wire_handle.data, 'H', sizeof(h->wire_handle.data));
-       strncpy(h->wire_handle.data, dce->ndr->name, 11);
-       h->wire_handle.data[11] = handle_type;
+       h->wire_handle.handle_type = handle_type;
+       uuid_generate_random(&h->wire_handle.uuid);
        
        
-       /* TODO: check for wraparound here */
-       SIVAL(&h->wire_handle.data, 12, random());
-       dce->next_handle++;     
-       SIVAL(&h->wire_handle.data, 16, dce->next_handle);
-
        DLIST_ADD(dce->handles, h);
 
        return h;
        DLIST_ADD(dce->handles, h);
 
        return h;
@@ -78,12 +72,18 @@ struct dcesrv_handle *dcesrv_handle_fetch(struct dcesrv_state *dce,
 {
        struct dcesrv_handle *h;
 
 {
        struct dcesrv_handle *h;
 
-       if (all_zero(p->data, sizeof(p->data))) {
+       if (p->handle_type == 0 && uuid_all_zero(&p->uuid)) {
                return dcesrv_handle_new(dce, handle_type);
        }
 
        for (h=dce->handles; h; h=h->next) {
                return dcesrv_handle_new(dce, handle_type);
        }
 
        for (h=dce->handles; h; h=h->next) {
-               if (memcmp(h->wire_handle.data, p->data, sizeof(p->data)) == 0) {
+               if (h->wire_handle.handle_type == p->handle_type &&
+                   uuid_equal(&p->uuid, &h->wire_handle.uuid)) {
+                       if (p->handle_type != handle_type) {
+                               DEBUG(0,("client gave us the wrong handle type (%d should be %d)\n",
+                                        p->handle_type, handle_type));
+                               return NULL;
+                       }
                        return h;
                }
        }
                        return h;
                }
        }