The branch, master has been updated
       via  a52c7f4 torture3: Add test for smbd crash
       via  cf9acf9 smbd: Do an early exit on negprot failure
      from  1e0c79d s3: smbd: Restart reading the incoming SMB2 fd when the 
send queue is drained.

https://git.samba.org/?p=samba.git;a=shortlog;h=master


- Log -----------------------------------------------------------------
commit a52c7f4d52df6853f925e680eadefcdfdc7bea85
Author: Volker Lendecke <v...@samba.org>
Date:   Tue Feb 28 16:17:03 2017 +0100

    torture3: Add test for smbd crash
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12610
    
    Signed-off-by: Volker Lendecke <v...@samba.org>
    Reviewed-by: Ralph Böhme <s...@samba.org>
    Reviewed-by: Jeremy Allison <j...@samba.org>
    
    Autobuild-User(master): Jeremy Allison <j...@samba.org>
    Autobuild-Date(master): Fri Mar  3 06:20:50 CET 2017 on sn-devel-144

commit cf9acf9a3da932fca115967eb3d9d9ed48fcbbfc
Author: Volker Lendecke <v...@samba.org>
Date:   Tue Feb 28 15:03:45 2017 +0000

    smbd: Do an early exit on negprot failure
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12610
    
    Signed-off-by: Volker Lendecke <v...@samba.org>
    Reviewed-by: Ralph Böhme <s...@samba.org>
    Reviewed-by: Jeremy Allison <j...@samba.org>

-----------------------------------------------------------------------

Summary of changes:
 source3/smbd/negprot.c    | 21 +++++++++----
 source3/torture/torture.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 91 insertions(+), 6 deletions(-)


Changeset truncated at 500 lines:

diff --git a/source3/smbd/negprot.c b/source3/smbd/negprot.c
index cdde334..838ff45 100644
--- a/source3/smbd/negprot.c
+++ b/source3/smbd/negprot.c
@@ -723,17 +723,26 @@ void reply_negprot(struct smb_request *req)
                        break;
        }
 
-       if(choice != -1) {
-               fstrcpy(remote_proto,supported_protocols[protocol].short_name);
-               reload_services(sconn, conn_snum_used, true);
-               supported_protocols[protocol].proto_reply_fn(req, choice);
-               DEBUG(3,("Selected protocol 
%s\n",supported_protocols[protocol].proto_name));
-       } else {
+       if (choice == -1) {
+               bool ok;
+
                DBG_NOTICE("No protocol supported !\n");
                reply_outbuf(req, 1, 0);
                SSVAL(req->outbuf, smb_vwv0, choice);
+
+               ok = srv_send_smb(xconn, (char *)req->outbuf,
+                                 false, 0, false, NULL);
+               if (!ok) {
+                       DBG_NOTICE("srv_send_smb failed\n");
+               }
+               exit_server_cleanly("no protocol supported\n");
        }
 
+       fstrcpy(remote_proto,supported_protocols[protocol].short_name);
+       reload_services(sconn, conn_snum_used, true);
+       supported_protocols[protocol].proto_reply_fn(req, choice);
+       DEBUG(3,("Selected protocol 
%s\n",supported_protocols[protocol].proto_name));
+
        DEBUG( 5, ( "negprot index=%d\n", choice ) );
 
        /* We always have xconn->smb1.signing_state also for >= SMB2_02 */
diff --git a/source3/torture/torture.c b/source3/torture/torture.c
index 3062122..2c10ae8 100644
--- a/source3/torture/torture.c
+++ b/source3/torture/torture.c
@@ -11163,6 +11163,81 @@ static bool run_local_canonicalize_path(int dummy)
        return true;
 }
 
+static bool run_ign_bad_negprot(int dummy)
+{
+       struct tevent_context *ev;
+       struct tevent_req *req;
+       struct smbXcli_conn *conn;
+       struct sockaddr_storage ss;
+       NTSTATUS status;
+       int fd;
+       bool ok;
+
+       printf("starting ignore bad negprot\n");
+
+       ok = resolve_name(host, &ss, 0x20, true);
+       if (!ok) {
+               d_fprintf(stderr, "Could not resolve name %s\n", host);
+               return false;
+       }
+
+       status = open_socket_out(&ss, 445, 10000, &fd);
+       if (!NT_STATUS_IS_OK(status)) {
+               d_fprintf(stderr, "open_socket_out failed: %s\n",
+                         nt_errstr(status));
+               return false;
+       }
+
+       conn = smbXcli_conn_create(talloc_tos(), fd, host, SMB_SIGNING_OFF, 0,
+                                  NULL, 0);
+       if (conn == NULL) {
+               d_fprintf(stderr, "smbXcli_conn_create failed\n");
+               return false;
+       }
+
+       status = smbXcli_negprot(conn, 0, PROTOCOL_CORE, PROTOCOL_CORE);
+       if (NT_STATUS_IS_OK(status)) {
+               d_fprintf(stderr, "smbXcli_negprot succeeded!\n");
+               return false;
+       }
+
+       ev = samba_tevent_context_init(talloc_tos());
+       if (ev == NULL) {
+               d_fprintf(stderr, "samba_tevent_context_init failed\n");
+               return false;
+       }
+
+       req = smb1cli_session_setup_nt1_send(
+               ev, ev, conn, 0, getpid(), NULL, 65503, 2, 1, 0, "", "",
+               data_blob_null, data_blob_null, 0x40,
+               "Windows 2000 2195", "Windows 2000 5.0");
+       if (req == NULL) {
+               d_fprintf(stderr, "smb1cli_session_setup_nt1_send failed\n");
+               return false;
+       }
+
+       ok = tevent_req_poll_ntstatus(req, ev, &status);
+       if (!ok) {
+               d_fprintf(stderr, "tevent_req_poll failed\n");
+               return false;
+       }
+
+       status = smb1cli_session_setup_nt1_recv(req, NULL, NULL, NULL, NULL,
+                                               NULL, NULL);
+       if (!NT_STATUS_EQUAL(status, NT_STATUS_CONNECTION_RESET)) {
+               d_fprintf(stderr, "smb1cli_session_setup_nt1_recv returned "
+                         "%s, expected NT_STATUS_CONNECTION_RESET\n",
+                         nt_errstr(status));
+               return false;
+       }
+
+       TALLOC_FREE(conn);
+
+       printf("starting ignore bad negprot\n");
+
+       return true;
+}
+
 static double create_procs(bool (*fn)(int), bool *result)
 {
        int i, status;
@@ -11353,6 +11428,7 @@ static struct {
        { "NOTIFY-BENCH2", run_notify_bench2 },
        { "NOTIFY-BENCH3", run_notify_bench3 },
        { "BAD-NBT-SESSION", run_bad_nbt_session },
+       { "IGN-BAD-NEGPROT", run_ign_bad_negprot },
        { "SMB-ANY-CONNECT", run_smb_any_connect },
        { "NOTIFY-ONLINE", run_notify_online },
        { "SMB2-BASIC", run_smb2_basic },


-- 
Samba Shared Repository

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