The Samba-Bugzilla – Attachment 14339 Details for
Bug 13308
samba-tool domain trust: fix trust compatibility to Windows Server 1709 and FreeIPA
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[patch]
Patches for v4-8-test
tmp48.diff.txt (text/plain), 52.23 KB, created by
Stefan Metzmacher
on 2018-07-26 10:11:37 UTC
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Description:
Patches for v4-8-test
Filename:
MIME Type:
Creator:
Stefan Metzmacher
Created:
2018-07-26 10:11:37 UTC
Size:
52.23 KB
patch
obsolete
>From 691a7ce0041120d20529f55d2f6e151dbe7682f4 Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Thu, 19 Jul 2018 07:32:08 +0200 >Subject: [PATCH 01/15] librpc: add binding handle support for [smb1] > >This will be used to force smb1. > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13308 > >Signed-off-by: Stefan Metzmacher <metze@samba.org> >Reviewed-by: Alexander Bokovoy <ab@samba.org> >(cherry picked from commit 062b518cabd9fb5f72f96cdf400c978c0b844619) >--- > librpc/rpc/binding.c | 1 + > librpc/rpc/rpc_common.h | 2 ++ > 2 files changed, 3 insertions(+) > >diff --git a/librpc/rpc/binding.c b/librpc/rpc/binding.c >index 63ba682a577e..aa8cc6b46c6f 100644 >--- a/librpc/rpc/binding.c >+++ b/librpc/rpc/binding.c >@@ -103,6 +103,7 @@ static const struct ncacn_option { > {"print", DCERPC_DEBUG_PRINT_BOTH}, > {"padcheck", DCERPC_DEBUG_PAD_CHECK}, > {"bigendian", DCERPC_PUSH_BIGENDIAN}, >+ {"smb1", DCERPC_SMB1}, > {"smb2", DCERPC_SMB2}, > {"ndr64", DCERPC_NDR64}, > {"packet", DCERPC_PACKET}, >diff --git a/librpc/rpc/rpc_common.h b/librpc/rpc/rpc_common.h >index d6b2d5dbc055..cdc9fe8ac882 100644 >--- a/librpc/rpc/rpc_common.h >+++ b/librpc/rpc/rpc_common.h >@@ -108,6 +108,8 @@ struct dcerpc_binding; > > #define DCERPC_PACKET (1<<26) > >+#define DCERPC_SMB1 (1<<27) >+ > /* The following definitions come from ../librpc/rpc/dcerpc_error.c */ > > const char *dcerpc_errstr(TALLOC_CTX *mem_ctx, uint32_t fault_code); >-- >2.17.1 > > >From 4ddf4350f01c68b5d68dc6bfbf442e0d454dd854 Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Wed, 18 Jul 2018 15:36:31 +0200 >Subject: [PATCH 02/15] s4:libcli: split out smb_raw_negotiate_fill_transport() > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13308 > >Signed-off-by: Stefan Metzmacher <metze@samba.org> >Reviewed-by: Alexander Bokovoy <ab@samba.org> >(cherry picked from commit 17b12a9b9a9dfd859679de77aa0c7ffbc782f1bc) >--- > source4/libcli/raw/rawnegotiate.c | 74 ++++++++++++++++++------------- > 1 file changed, 44 insertions(+), 30 deletions(-) > >diff --git a/source4/libcli/raw/rawnegotiate.c b/source4/libcli/raw/rawnegotiate.c >index 73c9123411d6..cec081c364a4 100644 >--- a/source4/libcli/raw/rawnegotiate.c >+++ b/source4/libcli/raw/rawnegotiate.c >@@ -28,6 +28,47 @@ > #include "../libcli/smb/smbXcli_base.h" > #include "../lib/util/tevent_ntstatus.h" > >+NTSTATUS smb_raw_negotiate_fill_transport(struct smbcli_transport *transport) >+{ >+ struct smbcli_negotiate *n = &transport->negotiate; >+ struct smbXcli_conn *c = transport->conn; >+ NTTIME ntt; >+ >+ n->protocol = smbXcli_conn_protocol(c); >+ if (n->protocol > PROTOCOL_NT1) { >+ return NT_STATUS_REVISION_MISMATCH; >+ } >+ >+ n->sec_mode = smb1cli_conn_server_security_mode(c); >+ n->max_mux = smbXcli_conn_max_requests(c); >+ n->max_xmit = smb1cli_conn_max_xmit(c); >+ n->sesskey = smb1cli_conn_server_session_key(c); >+ n->capabilities = smb1cli_conn_capabilities(c);; >+ >+ /* this time arrives in real GMT */ >+ ntt = smbXcli_conn_server_system_time(c); >+ n->server_time = nt_time_to_unix(ntt); >+ n->server_zone = smb1cli_conn_server_time_zone(c); >+ >+ if (n->capabilities & CAP_EXTENDED_SECURITY) { >+ const DATA_BLOB *b = smbXcli_conn_server_gss_blob(c); >+ if (b) { >+ n->secblob = *b; >+ } >+ } else { >+ const uint8_t *p = smb1cli_conn_server_challenge(c); >+ if (p) { >+ n->secblob = data_blob_const(p, 8); >+ } >+ } >+ >+ n->readbraw_supported = smb1cli_conn_server_readbraw(c); >+ n->readbraw_supported = smb1cli_conn_server_writebraw(c); >+ n->lockread_supported = smb1cli_conn_server_lockread(c); >+ >+ return NT_STATUS_OK; >+} >+ > struct smb_raw_negotiate_state { > struct smbcli_transport *transport; > }; >@@ -82,10 +123,7 @@ static void smb_raw_negotiate_done(struct tevent_req *subreq) > struct smb_raw_negotiate_state *state = > tevent_req_data(req, > struct smb_raw_negotiate_state); >- struct smbcli_negotiate *n = &state->transport->negotiate; >- struct smbXcli_conn *c = state->transport->conn; > NTSTATUS status; >- NTTIME ntt; > > status = smbXcli_negprot_recv(subreq); > TALLOC_FREE(subreq); >@@ -93,35 +131,11 @@ static void smb_raw_negotiate_done(struct tevent_req *subreq) > return; > } > >- n->protocol = smbXcli_conn_protocol(c); >- >- n->sec_mode = smb1cli_conn_server_security_mode(c); >- n->max_mux = smbXcli_conn_max_requests(c); >- n->max_xmit = smb1cli_conn_max_xmit(c); >- n->sesskey = smb1cli_conn_server_session_key(c); >- n->capabilities = smb1cli_conn_capabilities(c);; >- >- /* this time arrives in real GMT */ >- ntt = smbXcli_conn_server_system_time(c); >- n->server_time = nt_time_to_unix(ntt); >- n->server_zone = smb1cli_conn_server_time_zone(c); >- >- if (n->capabilities & CAP_EXTENDED_SECURITY) { >- const DATA_BLOB *b = smbXcli_conn_server_gss_blob(c); >- if (b) { >- n->secblob = *b; >- } >- } else { >- const uint8_t *p = smb1cli_conn_server_challenge(c); >- if (p) { >- n->secblob = data_blob_const(p, 8); >- } >+ status = smb_raw_negotiate_fill_transport(state->transport); >+ if (tevent_req_nterror(req, status)) { >+ return; > } > >- n->readbraw_supported = smb1cli_conn_server_readbraw(c); >- n->readbraw_supported = smb1cli_conn_server_writebraw(c); >- n->lockread_supported = smb1cli_conn_server_lockread(c); >- > tevent_req_done(req); > } > >-- >2.17.1 > > >From 59caa60e3c2346ef6dddb5926adfc8c9e5989459 Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Wed, 18 Jul 2018 15:36:52 +0200 >Subject: [PATCH 03/15] s4:libcli: add smbcli_transport_raw_init() > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13308 > >Signed-off-by: Stefan Metzmacher <metze@samba.org> >Reviewed-by: Alexander Bokovoy <ab@samba.org> >(cherry picked from commit b7e99c2571e31971a6d7f1898e7458c16dc1031e) >--- > source4/libcli/raw/clitransport.c | 44 +++++++++++++++++++++++++++++++ > 1 file changed, 44 insertions(+) > >diff --git a/source4/libcli/raw/clitransport.c b/source4/libcli/raw/clitransport.c >index d0dd1f9dee6a..47b8dbf3ae7f 100644 >--- a/source4/libcli/raw/clitransport.c >+++ b/source4/libcli/raw/clitransport.c >@@ -113,6 +113,50 @@ struct smbcli_transport *smbcli_transport_init(struct smbcli_socket *sock, > return transport; > } > >+/* >+ create a transport structure based on an established socket >+*/ >+NTSTATUS smbcli_transport_raw_init(TALLOC_CTX *mem_ctx, >+ struct tevent_context *ev, >+ struct smbXcli_conn **_conn, >+ const struct smbcli_options *options, >+ struct smbcli_transport **_transport) >+{ >+ struct smbcli_transport *transport = NULL; >+ NTSTATUS status; >+ >+ if (*_conn == NULL) { >+ return NT_STATUS_INVALID_PARAMETER; >+ } >+ >+ transport = talloc_zero(mem_ctx, struct smbcli_transport); >+ if (transport == NULL) { >+ return NT_STATUS_NO_MEMORY; >+ } >+ >+ transport->ev = ev; >+ transport->options = *options; >+ >+ /* >+ * First only set the pointer without move. >+ */ >+ transport->conn = *_conn; >+ status = smb_raw_negotiate_fill_transport(transport); >+ if (!NT_STATUS_IS_OK(status)) { >+ TALLOC_FREE(transport); >+ return status; >+ } >+ >+ talloc_set_destructor(transport, transport_destructor); >+ >+ /* >+ * Now move it away from the caller... >+ */ >+ transport->conn = talloc_move(transport, _conn); >+ *_transport = transport; >+ return NT_STATUS_OK; >+} >+ > /* > mark the transport as dead > */ >-- >2.17.1 > > >From 935443eaa7b4ba69731d616c8fe92043b12a9f33 Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Wed, 18 Jul 2018 15:01:50 +0200 >Subject: [PATCH 04/15] s4:libcli: use talloc_zero() for struct > smb_composite_connect in fetchfile.c > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13308 > >Signed-off-by: Stefan Metzmacher <metze@samba.org> >Reviewed-by: Alexander Bokovoy <ab@samba.org> >(cherry picked from commit 87d73397f9a9dee8fa0055a2ff08244b2c85e120) >--- > source4/libcli/smb_composite/fetchfile.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >diff --git a/source4/libcli/smb_composite/fetchfile.c b/source4/libcli/smb_composite/fetchfile.c >index d19c86a8d05b..dc6f71b452e2 100644 >--- a/source4/libcli/smb_composite/fetchfile.c >+++ b/source4/libcli/smb_composite/fetchfile.c >@@ -131,7 +131,7 @@ struct composite_context *smb_composite_fetchfile_send(struct smb_composite_fetc > state = talloc(c, struct fetchfile_state); > if (state == NULL) goto failed; > >- state->connect = talloc(state, struct smb_composite_connect); >+ state->connect = talloc_zero(state, struct smb_composite_connect); > if (state->connect == NULL) goto failed; > > state->io = io; >-- >2.17.1 > > >From ae5790de7820d4239aecf695b18c539dc4543813 Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Wed, 18 Jul 2018 15:34:55 +0200 >Subject: [PATCH 05/15] s4:libcli: allow passing an already negotiated > connection to smb_composite_connect() > >It will just do the session setup and tree connect steps. > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13308 > >Signed-off-by: Stefan Metzmacher <metze@samba.org> >Reviewed-by: Alexander Bokovoy <ab@samba.org> >(cherry picked from commit 2b68f9b8b0dd944fa89b9e0037886ddd4fb4e5f9) >--- > source4/libcli/raw/clitree.c | 1 + > source4/libcli/smb_composite/connect.c | 48 ++++++++++++++++---- > source4/libcli/smb_composite/smb_composite.h | 1 + > source4/ntvfs/cifs/vfs_cifs.c | 1 + > 4 files changed, 41 insertions(+), 10 deletions(-) > >diff --git a/source4/libcli/raw/clitree.c b/source4/libcli/raw/clitree.c >index 11be5485f261..b1b6159e7508 100644 >--- a/source4/libcli/raw/clitree.c >+++ b/source4/libcli/raw/clitree.c >@@ -207,6 +207,7 @@ NTSTATUS smbcli_tree_full_connection(TALLOC_CTX *parent_ctx, > io.in.called_name = strupper_talloc(tmp_ctx, dest_host); > io.in.service = service; > io.in.service_type = service_type; >+ io.in.existing_conn = NULL; > io.in.credentials = credentials; > io.in.gensec_settings = gensec_settings; > io.in.fallback_to_anonymous = false; >diff --git a/source4/libcli/smb_composite/connect.c b/source4/libcli/smb_composite/connect.c >index fffa768ac977..582d43ef1730 100644 >--- a/source4/libcli/smb_composite/connect.c >+++ b/source4/libcli/smb_composite/connect.c >@@ -228,18 +228,10 @@ static NTSTATUS connect_session_setup(struct composite_context *c, > return NT_STATUS_OK; > } > >-/* >- a negprot request has completed >-*/ >-static NTSTATUS connect_negprot(struct composite_context *c, >- struct smb_composite_connect *io) >+static NTSTATUS connect_send_session(struct composite_context *c, >+ struct smb_composite_connect *io) > { > struct connect_state *state = talloc_get_type(c->private_data, struct connect_state); >- NTSTATUS status; >- >- status = smb_raw_negotiate_recv(state->subreq); >- TALLOC_FREE(state->subreq); >- NT_STATUS_NOT_OK_RETURN(status); > > /* next step is a session setup */ > state->session = smbcli_session_init(state->transport, state, true, io->in.session_options); >@@ -281,6 +273,22 @@ static NTSTATUS connect_negprot(struct composite_context *c, > return NT_STATUS_OK; > } > >+/* >+ a negprot request has completed >+*/ >+static NTSTATUS connect_negprot(struct composite_context *c, >+ struct smb_composite_connect *io) >+{ >+ struct connect_state *state = talloc_get_type(c->private_data, struct connect_state); >+ NTSTATUS status; >+ >+ status = smb_raw_negotiate_recv(state->subreq); >+ TALLOC_FREE(state->subreq); >+ NT_STATUS_NOT_OK_RETURN(status); >+ >+ return connect_send_session(c, io); >+} >+ > /* > setup a negprot send > */ >@@ -432,6 +440,26 @@ struct composite_context *smb_composite_connect_send(struct smb_composite_connec > nbt_choose_called_name(state, &state->called, > io->in.called_name, NBT_NAME_SERVER); > >+ if (io->in.existing_conn != NULL) { >+ NTSTATUS status; >+ >+ status = smbcli_transport_raw_init(state, >+ c->event_ctx, >+ &io->in.existing_conn, >+ &io->in.options, >+ &state->transport); >+ if (!NT_STATUS_IS_OK(status)) { >+ goto failed; >+ } >+ >+ status = connect_send_session(c, io); >+ if (!NT_STATUS_IS_OK(status)) { >+ goto failed; >+ } >+ >+ return c; >+ } >+ > state->creq = smbcli_sock_connect_send(state, > NULL, > io->in.dest_ports, >diff --git a/source4/libcli/smb_composite/smb_composite.h b/source4/libcli/smb_composite/smb_composite.h >index a92c9612c6ac..383946f1307a 100644 >--- a/source4/libcli/smb_composite/smb_composite.h >+++ b/source4/libcli/smb_composite/smb_composite.h >@@ -118,6 +118,7 @@ struct smb_composite_connect { > const char *called_name; > const char *service; > const char *service_type; >+ struct smbXcli_conn *existing_conn; /* optional */ > struct cli_credentials *credentials; > bool fallback_to_anonymous; > const char *workgroup; >diff --git a/source4/ntvfs/cifs/vfs_cifs.c b/source4/ntvfs/cifs/vfs_cifs.c >index 478428e32465..d88c034c6f2a 100644 >--- a/source4/ntvfs/cifs/vfs_cifs.c >+++ b/source4/ntvfs/cifs/vfs_cifs.c >@@ -296,6 +296,7 @@ static NTSTATUS cvfs_connect(struct ntvfs_module_context *ntvfs, > io.in.dest_ports = lpcfg_smb_ports(ntvfs->ctx->lp_ctx); > io.in.socket_options = lpcfg_socket_options(ntvfs->ctx->lp_ctx); > io.in.called_name = host; >+ io.in.existing_conn = NULL; > io.in.credentials = credentials; > io.in.fallback_to_anonymous = false; > io.in.workgroup = lpcfg_workgroup(ntvfs->ctx->lp_ctx); >-- >2.17.1 > > >From 3f7016a043e4254f7fb265ef9369ca0236fc0300 Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Wed, 18 Jul 2018 16:43:04 +0200 >Subject: [PATCH 06/15] s4:libcli: add smb2_transport_raw_init() > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13308 > >Signed-off-by: Stefan Metzmacher <metze@samba.org> >Reviewed-by: Alexander Bokovoy <ab@samba.org> >(cherry picked from commit ce2248c4b5aad2d00155a2e77b3e6340ce824979) >--- > source4/libcli/smb2/transport.c | 35 +++++++++++++++++++++++++++++++++ > 1 file changed, 35 insertions(+) > >diff --git a/source4/libcli/smb2/transport.c b/source4/libcli/smb2/transport.c >index 166f34b82569..1d08289341ba 100644 >--- a/source4/libcli/smb2/transport.c >+++ b/source4/libcli/smb2/transport.c >@@ -85,6 +85,41 @@ struct smb2_transport *smb2_transport_init(struct smbcli_socket *sock, > return transport; > } > >+/* >+ create a transport structure based on an established socket >+*/ >+NTSTATUS smb2_transport_raw_init(TALLOC_CTX *mem_ctx, >+ struct tevent_context *ev, >+ struct smbXcli_conn **_conn, >+ const struct smbcli_options *options, >+ struct smb2_transport **_transport) >+{ >+ struct smb2_transport *transport = NULL; >+ enum protocol_types protocol; >+ >+ if (*_conn == NULL) { >+ return NT_STATUS_INVALID_PARAMETER; >+ } >+ >+ protocol = smbXcli_conn_protocol(*_conn); >+ if (protocol < PROTOCOL_SMB2_02) { >+ return NT_STATUS_REVISION_MISMATCH; >+ } >+ >+ transport = talloc_zero(mem_ctx, struct smb2_transport); >+ if (transport == NULL) { >+ return NT_STATUS_NO_MEMORY; >+ } >+ >+ transport->ev = ev; >+ transport->options = *options; >+ transport->conn = talloc_move(transport, _conn); >+ >+ talloc_set_destructor(transport, transport_destructor); >+ *_transport = transport; >+ return NT_STATUS_OK; >+} >+ > /* > mark the transport as dead > */ >-- >2.17.1 > > >From f4f8ea5dcf8830473b4a24ae4deeeeb10937eae8 Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Wed, 18 Jul 2018 16:43:32 +0200 >Subject: [PATCH 07/15] s4:libcli: split out smb2_connect_session_start() > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13308 > >Signed-off-by: Stefan Metzmacher <metze@samba.org> >Reviewed-by: Alexander Bokovoy <ab@samba.org> >(cherry picked from commit 5ad5b81b6ef601596583b4ad7d6a14241fa99a71) >--- > source4/libcli/smb2/connect.c | 16 ++++++++++++---- > 1 file changed, 12 insertions(+), 4 deletions(-) > >diff --git a/source4/libcli/smb2/connect.c b/source4/libcli/smb2/connect.c >index 8ff56c9ca8f8..ac37eae6aa89 100644 >--- a/source4/libcli/smb2/connect.c >+++ b/source4/libcli/smb2/connect.c >@@ -50,6 +50,7 @@ struct smb2_connect_state { > struct smb2_tree *tree; > }; > >+static void smb2_connect_session_start(struct tevent_req *req); > static void smb2_connect_socket_done(struct composite_context *creq); > > /* >@@ -170,10 +171,6 @@ static void smb2_connect_negprot_done(struct tevent_req *subreq) > struct tevent_req *req = > tevent_req_callback_data(subreq, > struct tevent_req); >- struct smb2_connect_state *state = >- tevent_req_data(req, >- struct smb2_connect_state); >- struct smb2_transport *transport = state->transport; > NTSTATUS status; > > status = smbXcli_negprot_recv(subreq); >@@ -182,6 +179,17 @@ static void smb2_connect_negprot_done(struct tevent_req *subreq) > return; > } > >+ smb2_connect_session_start(req); >+} >+ >+static void smb2_connect_session_start(struct tevent_req *req) >+{ >+ struct smb2_connect_state *state = >+ tevent_req_data(req, >+ struct smb2_connect_state); >+ struct smb2_transport *transport = state->transport; >+ struct tevent_req *subreq = NULL; >+ > state->session = smb2_session_init(transport, state->gensec_settings, state); > if (tevent_req_nomem(state->session, req)) { > return; >-- >2.17.1 > > >From 55eb440ac87083f991ebf9f855d60532bda06458 Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Wed, 18 Jul 2018 16:44:16 +0200 >Subject: [PATCH 08/15] s4:libcli: allow passing an already negotiated > connection to smb2_connect_send() > >It will just do the session setup and tree connect steps. > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13308 > >Signed-off-by: Stefan Metzmacher <metze@samba.org> >Reviewed-by: Alexander Bokovoy <ab@samba.org> >(cherry picked from commit f20e607c15b4c8ae56ade5d7e68d832542a2cd5e) >--- > source4/libcli/smb2/connect.c | 21 +++++++++++++++++++++ > source4/librpc/rpc/dcerpc_connect.c | 1 + > 2 files changed, 22 insertions(+) > >diff --git a/source4/libcli/smb2/connect.c b/source4/libcli/smb2/connect.c >index ac37eae6aa89..2dee50218694 100644 >--- a/source4/libcli/smb2/connect.c >+++ b/source4/libcli/smb2/connect.c >@@ -64,6 +64,7 @@ struct tevent_req *smb2_connect_send(TALLOC_CTX *mem_ctx, > const char *share, > struct resolve_context *resolve_ctx, > struct cli_credentials *credentials, >+ struct smbXcli_conn **existing_conn, > uint64_t previous_session_id, > const struct smbcli_options *options, > const char *socket_options, >@@ -107,6 +108,25 @@ struct tevent_req *smb2_connect_send(TALLOC_CTX *mem_ctx, > return tevent_req_post(req, ev); > } > >+ if (existing_conn != NULL) { >+ NTSTATUS status; >+ >+ status = smb2_transport_raw_init(state, ev, >+ existing_conn, >+ options, >+ &state->transport); >+ if (tevent_req_nterror(req, status)) { >+ return tevent_req_post(req, ev); >+ } >+ >+ smb2_connect_session_start(req); >+ if (!tevent_req_is_in_progress(req)) { >+ return tevent_req_post(req, ev); >+ } >+ >+ return req; >+ } >+ > creq = smbcli_sock_connect_send(state, NULL, state->ports, > state->host, state->resolve_ctx, > state->ev, state->socket_options, >@@ -311,6 +331,7 @@ NTSTATUS smb2_connect_ext(TALLOC_CTX *mem_ctx, > share, > resolve_ctx, > credentials, >+ NULL, /* existing_conn */ > previous_session_id, > options, > socket_options, >diff --git a/source4/librpc/rpc/dcerpc_connect.c b/source4/librpc/rpc/dcerpc_connect.c >index 1252e74b5a9d..a3f25efc0b47 100644 >--- a/source4/librpc/rpc/dcerpc_connect.c >+++ b/source4/librpc/rpc/dcerpc_connect.c >@@ -301,6 +301,7 @@ static struct composite_context *dcerpc_pipe_connect_ncacn_np_smb2_send( > "IPC$", > s->io.resolve_ctx, > s->io.creds, >+ NULL, /* existing_conn */ > 0, /* previous_session_id */ > &options, > lpcfg_socket_options(lp_ctx), >-- >2.17.1 > > >From 373432822a39727dc879dd0a84aa5ef6dc842939 Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Wed, 18 Jul 2018 23:52:30 +0200 >Subject: [PATCH 09/15] s4:libcli: add fallback_to_anonymous to > smb2_connect_send() > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13308 > >Signed-off-by: Stefan Metzmacher <metze@samba.org> >Reviewed-by: Alexander Bokovoy <ab@samba.org> >(cherry picked from commit ca000d8901e6acb8a7c59d26d4f75c9d92bafece) >--- > source4/libcli/smb2/connect.c | 32 +++++++++++++++++++++++++++++ > source4/librpc/rpc/dcerpc_connect.c | 1 + > 2 files changed, 33 insertions(+) > >diff --git a/source4/libcli/smb2/connect.c b/source4/libcli/smb2/connect.c >index 2dee50218694..e4cbf8c5c419 100644 >--- a/source4/libcli/smb2/connect.c >+++ b/source4/libcli/smb2/connect.c >@@ -35,6 +35,7 @@ > struct smb2_connect_state { > struct tevent_context *ev; > struct cli_credentials *credentials; >+ bool fallback_to_anonymous; > uint64_t previous_session_id; > struct resolve_context *resolve_ctx; > const char *host; >@@ -64,6 +65,7 @@ struct tevent_req *smb2_connect_send(TALLOC_CTX *mem_ctx, > const char *share, > struct resolve_context *resolve_ctx, > struct cli_credentials *credentials, >+ bool fallback_to_anonymous, > struct smbXcli_conn **existing_conn, > uint64_t previous_session_id, > const struct smbcli_options *options, >@@ -83,6 +85,7 @@ struct tevent_req *smb2_connect_send(TALLOC_CTX *mem_ctx, > > state->ev = ev; > state->credentials = credentials; >+ state->fallback_to_anonymous = fallback_to_anonymous; > state->previous_session_id = previous_session_id; > state->options = *options; > state->host = host; >@@ -240,6 +243,34 @@ static void smb2_connect_session_done(struct tevent_req *subreq) > > status = smb2_session_setup_spnego_recv(subreq); > TALLOC_FREE(subreq); >+ if (!NT_STATUS_IS_OK(status) && >+ !cli_credentials_is_anonymous(state->credentials) && >+ state->fallback_to_anonymous) { >+ struct cli_credentials *anon_creds = NULL; >+ >+ /* >+ * The transport was moved to session, >+ * we need to revert that before removing >+ * the old broken session. >+ */ >+ state->transport = talloc_move(state, &state->session->transport); >+ TALLOC_FREE(state->session); >+ >+ anon_creds = cli_credentials_init_anon(state); >+ if (tevent_req_nomem(anon_creds, req)) { >+ return; >+ } >+ cli_credentials_set_workstation(anon_creds, >+ cli_credentials_get_workstation(state->credentials), >+ CRED_SPECIFIED); >+ >+ /* >+ * retry with anonymous credentials >+ */ >+ state->credentials = anon_creds; >+ smb2_connect_session_start(req); >+ return; >+ } > if (tevent_req_nterror(req, status)) { > return; > } >@@ -331,6 +362,7 @@ NTSTATUS smb2_connect_ext(TALLOC_CTX *mem_ctx, > share, > resolve_ctx, > credentials, >+ false, /* fallback_to_anonymous */ > NULL, /* existing_conn */ > previous_session_id, > options, >diff --git a/source4/librpc/rpc/dcerpc_connect.c b/source4/librpc/rpc/dcerpc_connect.c >index a3f25efc0b47..d31bbe152e3e 100644 >--- a/source4/librpc/rpc/dcerpc_connect.c >+++ b/source4/librpc/rpc/dcerpc_connect.c >@@ -301,6 +301,7 @@ static struct composite_context *dcerpc_pipe_connect_ncacn_np_smb2_send( > "IPC$", > s->io.resolve_ctx, > s->io.creds, >+ false, /* fallback_to_anonymous */ > NULL, /* existing_conn */ > 0, /* previous_session_id */ > &options, >-- >2.17.1 > > >From 6bd183c133335c5cf17736e1b3166124855fa4f0 Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Thu, 19 Jul 2018 23:04:33 +0200 >Subject: [PATCH 10/15] s4:libcli: allow a fallback to NTLMSSP if SPNEGO is not > supported locally > >Signed-off-by: Stefan Metzmacher <metze@samba.org> >Reviewed-by: Alexander Bokovoy <ab@samba.org> >(cherry picked from commit 5188454bdce80f6e2bfc45deca18bd1b7289a7a6) >--- > source4/libcli/smb2/session.c | 35 ++++++++++++++++++++++++++++++----- > 1 file changed, 30 insertions(+), 5 deletions(-) > >diff --git a/source4/libcli/smb2/session.c b/source4/libcli/smb2/session.c >index e3e54cbe31a1..a8985b2542c7 100644 >--- a/source4/libcli/smb2/session.c >+++ b/source4/libcli/smb2/session.c >@@ -196,13 +196,38 @@ struct tevent_req *smb2_session_setup_spnego_send( > > if (state->out_secblob.length > 0) { > chosen_oid = GENSEC_OID_SPNEGO; >+ status = gensec_start_mech_by_oid(session->gensec, chosen_oid); >+ if (!NT_STATUS_IS_OK(status)) { >+ DEBUG(1, ("Failed to start set GENSEC client mechanism %s: %s\n", >+ gensec_get_name_by_oid(session->gensec, >+ chosen_oid), >+ nt_errstr(status))); >+ state->out_secblob = data_blob_null; >+ chosen_oid = GENSEC_OID_NTLMSSP; >+ status = gensec_start_mech_by_oid(session->gensec, >+ chosen_oid); >+ if (!NT_STATUS_IS_OK(status)) { >+ DEBUG(1, ("Failed to start set (fallback) GENSEC client mechanism %s: %s\n", >+ gensec_get_name_by_oid(session->gensec, >+ chosen_oid), >+ nt_errstr(status))); >+ } >+ } >+ if (tevent_req_nterror(req, status)) { >+ return tevent_req_post(req, ev); >+ } > } else { > chosen_oid = GENSEC_OID_NTLMSSP; >- } >- >- status = gensec_start_mech_by_oid(session->gensec, chosen_oid); >- if (tevent_req_nterror(req, status)) { >- return tevent_req_post(req, ev); >+ status = gensec_start_mech_by_oid(session->gensec, chosen_oid); >+ if (!NT_STATUS_IS_OK(status)) { >+ DEBUG(1, ("Failed to start set GENSEC client mechanism %s: %s\n", >+ gensec_get_name_by_oid(session->gensec, >+ chosen_oid), >+ nt_errstr(status))); >+ } >+ if (tevent_req_nterror(req, status)) { >+ return tevent_req_post(req, ev); >+ } > } > > smb2_session_setup_spnego_gensec_next(req); >-- >2.17.1 > > >From daf1b5dbc6629fcd8e496e800039beb92dda4c4c Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Wed, 18 Jul 2018 14:52:43 +0200 >Subject: [PATCH 11/15] s4:libcli: add smb_connect_nego_{send,recv}() > >This can be used to create a connection up to a negotiated >smbXcli_conn. > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13308 > >Signed-off-by: Stefan Metzmacher <metze@samba.org> >Reviewed-by: Alexander Bokovoy <ab@samba.org> >(cherry picked from commit e4910f35eab008a41cfcac3d97b3647c721ac679) >--- > source4/libcli/smb_composite/connect_nego.c | 209 +++++++++++++++++++ > source4/libcli/smb_composite/smb_composite.h | 22 ++ > source4/libcli/wscript_build | 20 +- > 3 files changed, 246 insertions(+), 5 deletions(-) > create mode 100644 source4/libcli/smb_composite/connect_nego.c > >diff --git a/source4/libcli/smb_composite/connect_nego.c b/source4/libcli/smb_composite/connect_nego.c >new file mode 100644 >index 000000000000..39fef7f8f274 >--- /dev/null >+++ b/source4/libcli/smb_composite/connect_nego.c >@@ -0,0 +1,209 @@ >+/* >+ Unix SMB/CIFS implementation. >+ >+ Copyright (C) Stefan Metzmacher 2018 >+ >+ This program is free software; you can redistribute it and/or modify >+ it under the terms of the GNU General Public License as published by >+ the Free Software Foundation; either version 3 of the License, or >+ (at your option) any later version. >+ >+ This program is distributed in the hope that it will be useful, >+ but WITHOUT ANY WARRANTY; without even the implied warranty of >+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the >+ GNU General Public License for more details. >+ >+ You should have received a copy of the GNU General Public License >+ along with this program. If not, see <http://www.gnu.org/licenses/>. >+*/ >+ >+#include "includes.h" >+#include "lib/util/tevent_ntstatus.h" >+#include "libcli/composite/composite.h" >+#include "libcli/raw/libcliraw.h" >+#include "libcli/raw/raw_proto.h" >+#include "libcli/smb_composite/smb_composite.h" >+#include "lib/socket/socket.h" >+#include "libcli/resolve/resolve.h" >+#include "librpc/gen_ndr/ndr_nbt.h" >+#include "libcli/smb/smbXcli_base.h" >+ >+struct smb_connect_nego_state { >+ struct tevent_context *ev; >+ struct resolve_context *resolve_ctx; >+ const char *socket_options; >+ struct smbcli_options options; >+ const char *dest_hostname; >+ const char *dest_address; >+ const char **dest_ports; >+ const char *target_hostname; >+ struct nbt_name calling, called; >+ struct smbXcli_conn *conn; >+}; >+ >+static void smb_connect_nego_connect_done(struct composite_context *creq); >+static void smb_connect_nego_nego_done(struct tevent_req *subreq); >+ >+struct tevent_req *smb_connect_nego_send(TALLOC_CTX *mem_ctx, >+ struct tevent_context *ev, >+ struct resolve_context *resolve_ctx, >+ const struct smbcli_options *options, >+ const char *socket_options, >+ const char *dest_hostname, >+ const char *dest_address, /* optional */ >+ const char **dest_ports, >+ const char *target_hostname, >+ const char *called_name, >+ const char *calling_name) >+{ >+ struct tevent_req *req = NULL; >+ struct smb_connect_nego_state *state = NULL; >+ struct composite_context *creq = NULL; >+ >+ req = tevent_req_create(mem_ctx, &state, >+ struct smb_connect_nego_state); >+ if (req == NULL) { >+ return NULL; >+ } >+ state->ev = ev; >+ state->resolve_ctx= resolve_ctx; >+ state->options = *options; >+ state->socket_options = socket_options; >+ state->dest_hostname = dest_hostname; >+ state->dest_address = dest_address; >+ state->dest_ports = dest_ports; >+ state->target_hostname = target_hostname; >+ >+ make_nbt_name_client(&state->calling, calling_name); >+ >+ nbt_choose_called_name(state, &state->called, >+ called_name, NBT_NAME_SERVER); >+ if (tevent_req_nomem(state->called.name, req)) { >+ return tevent_req_post(req, ev); >+ } >+ >+ creq = smbcli_sock_connect_send(state, >+ state->dest_address, >+ state->dest_ports, >+ state->dest_hostname, >+ state->resolve_ctx, >+ state->ev, >+ state->socket_options, >+ &state->calling, >+ &state->called); >+ if (tevent_req_nomem(creq, req)) { >+ return tevent_req_post(req, ev); >+ } >+ creq->async.private_data = req; >+ creq->async.fn = smb_connect_nego_connect_done; >+ >+ return req; >+} >+ >+static void smb_connect_nego_connect_done(struct composite_context *creq) >+{ >+ struct tevent_req *req = >+ talloc_get_type_abort(creq->async.private_data, >+ struct tevent_req); >+ struct smb_connect_nego_state *state = >+ tevent_req_data(req, >+ struct smb_connect_nego_state); >+ struct tevent_req *subreq = NULL; >+ struct smbcli_socket *sock = NULL; >+ uint32_t smb1_capabilities; >+ uint32_t timeout_msec = state->options.request_timeout * 1000; >+ NTSTATUS status; >+ >+ status = smbcli_sock_connect_recv(creq, state, &sock); >+ creq = NULL; >+ if (tevent_req_nterror(req, status)) { >+ return; >+ } >+ >+ TALLOC_FREE(sock->event.fde); >+ TALLOC_FREE(sock->event.te); >+ >+ smb1_capabilities = 0; >+ smb1_capabilities |= CAP_LARGE_FILES; >+ smb1_capabilities |= CAP_NT_SMBS | CAP_RPC_REMOTE_APIS; >+ smb1_capabilities |= CAP_LOCK_AND_READ | CAP_NT_FIND; >+ smb1_capabilities |= CAP_DFS | CAP_W2K_SMBS; >+ smb1_capabilities |= CAP_LARGE_READX|CAP_LARGE_WRITEX; >+ smb1_capabilities |= CAP_LWIO; >+ >+ if (state->options.ntstatus_support) { >+ smb1_capabilities |= CAP_STATUS32; >+ } >+ >+ if (state->options.unicode) { >+ smb1_capabilities |= CAP_UNICODE; >+ } >+ >+ if (state->options.use_spnego) { >+ smb1_capabilities |= CAP_EXTENDED_SECURITY; >+ } >+ >+ if (state->options.use_level2_oplocks) { >+ smb1_capabilities |= CAP_LEVEL_II_OPLOCKS; >+ } >+ >+ state->conn = smbXcli_conn_create(state, >+ sock->sock->fd, >+ state->target_hostname, >+ state->options.signing, >+ smb1_capabilities, >+ &state->options.client_guid, >+ state->options.smb2_capabilities); >+ if (tevent_req_nomem(state->conn, req)) { >+ return; >+ } >+ sock->sock->fd = -1; >+ TALLOC_FREE(sock); >+ >+ subreq = smbXcli_negprot_send(state, >+ state->ev, >+ state->conn, >+ timeout_msec, >+ state->options.min_protocol, >+ state->options.max_protocol, >+ state->options.max_credits); >+ if (tevent_req_nomem(subreq, req)) { >+ return; >+ } >+ tevent_req_set_callback(subreq, smb_connect_nego_nego_done, req); >+} >+ >+static void smb_connect_nego_nego_done(struct tevent_req *subreq) >+{ >+ struct tevent_req *req = >+ tevent_req_callback_data(subreq, >+ struct tevent_req); >+ NTSTATUS status; >+ >+ status = smbXcli_negprot_recv(subreq); >+ TALLOC_FREE(subreq); >+ if (tevent_req_nterror(req, status)) { >+ return; >+ } >+ >+ tevent_req_done(req); >+} >+ >+NTSTATUS smb_connect_nego_recv(struct tevent_req *req, >+ TALLOC_CTX *mem_ctx, >+ struct smbXcli_conn **_conn) >+{ >+ struct smb_connect_nego_state *state = >+ tevent_req_data(req, >+ struct smb_connect_nego_state); >+ NTSTATUS status; >+ >+ if (tevent_req_is_nterror(req, &status)) { >+ tevent_req_received(req); >+ return status; >+ } >+ >+ *_conn = talloc_move(mem_ctx, &state->conn); >+ tevent_req_received(req); >+ return NT_STATUS_OK; >+} >diff --git a/source4/libcli/smb_composite/smb_composite.h b/source4/libcli/smb_composite/smb_composite.h >index 383946f1307a..e43cbb9dff92 100644 >--- a/source4/libcli/smb_composite/smb_composite.h >+++ b/source4/libcli/smb_composite/smb_composite.h >@@ -101,6 +101,28 @@ NTSTATUS smb_composite_savefile_recv(struct composite_context *c); > NTSTATUS smb_composite_savefile(struct smbcli_tree *tree, > struct smb_composite_savefile *io); > >+/* >+ a composite request for a low level connection to a remote server. Includes >+ >+ - socket establishment >+ - session request >+ - negprot >+*/ >+struct tevent_req *smb_connect_nego_send(TALLOC_CTX *mem_ctx, >+ struct tevent_context *ev, >+ struct resolve_context *resolve_ctx, >+ const struct smbcli_options *options, >+ const char *socket_options, >+ const char *dest_hostname, >+ const char *dest_address, /* optional */ >+ const char **dest_ports, >+ const char *target_hostname, >+ const char *called_name, >+ const char *calling_name); >+NTSTATUS smb_connect_nego_recv(struct tevent_req *req, >+ TALLOC_CTX *mem_ctx, >+ struct smbXcli_conn **_conn); >+ > /* > a composite request for a full connection to a remote server. Includes > >diff --git a/source4/libcli/wscript_build b/source4/libcli/wscript_build >index 38a8f4e07183..d895424efd14 100644 >--- a/source4/libcli/wscript_build >+++ b/source4/libcli/wscript_build >@@ -25,11 +25,21 @@ bld.SAMBA_SUBSYSTEM('cli_composite', > > > bld.SAMBA_SUBSYSTEM('LIBCLI_SMB_COMPOSITE', >- source='smb_composite/loadfile.c smb_composite/savefile.c smb_composite/connect.c smb_composite/sesssetup.c smb_composite/fetchfile.c smb_composite/appendacl.c smb_composite/fsinfo.c smb_composite/smb2.c', >- deps='LIBCLI_SMB2 tevent-util', >- public_deps='cli_composite samba-credentials gensec LIBCLI_RESOLVE tevent', >- private_headers='smb_composite/smb_composite.h', >- ) >+ source=''' >+ smb_composite/loadfile.c >+ smb_composite/savefile.c >+ smb_composite/connect_nego.c >+ smb_composite/connect.c >+ smb_composite/sesssetup.c >+ smb_composite/fetchfile.c >+ smb_composite/appendacl.c >+ smb_composite/fsinfo.c >+ smb_composite/smb2.c >+ ''', >+ deps='LIBCLI_SMB2 tevent-util', >+ public_deps='cli_composite samba-credentials gensec LIBCLI_RESOLVE tevent', >+ private_headers='smb_composite/smb_composite.h', >+ ) > > bld.SAMBA_PYTHON('pysmb', > source='pysmb.c', >-- >2.17.1 > > >From 64eb3174cc8e3645c56f767f25ba6405194bcb23 Mon Sep 17 00:00:00 2001 >From: Alexander Bokovoy <ab@samba.org> >Date: Thu, 19 Jul 2018 14:07:39 +0300 >Subject: [PATCH 12/15] tests/auth_log: Permit SMB2 service description if > empty binding is used for kerberos authentication > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13308 > >Pair-Programmed-With: Stefan Metzmacher <metze@samba.org> > >Signed-off-by: Alexander Bokovoy <ab@samba.org> >Signed-off-by: Stefan Metzmacher <metze@samba.org> >(cherry picked from commit 70a9cf9ccfc4075cc08209191db1bce2c9b432fc) >--- > python/samba/tests/auth_log.py | 28 +++++++++++++++++++--------- > 1 file changed, 19 insertions(+), 9 deletions(-) > >diff --git a/python/samba/tests/auth_log.py b/python/samba/tests/auth_log.py >index 6b032a80edc3..6233228fe5e1 100644 >--- a/python/samba/tests/auth_log.py >+++ b/python/samba/tests/auth_log.py >@@ -33,6 +33,7 @@ from samba.credentials import Credentials, DONT_USE_KERBEROS, MUST_USE_KERBEROS > from samba import NTSTATUSError > from subprocess import call > from ldb import LdbError >+import re > > class AuthLogTests(samba.tests.auth_log_base.AuthLogTestBase): > >@@ -71,6 +72,20 @@ class AuthLogTests(samba.tests.auth_log_base.AuthLogTestBase): > messages = self.waitForMessages(isLastExpectedMessage, x) > checkFunction(messages, authTypes, service, binding, protection) > >+ def _assert_ncacn_np_serviceDescription(self, binding, serviceDescription): >+ # Turn "[foo,bar]" into a list ("foo", "bar") to test >+ # lambda x: x removes anything that evaluates to False, >+ # including empty strings, so we handle "" as well >+ binding_list = filter(lambda x: x, re.compile('[\[,\]]').split(binding)) >+ >+ # Handle explicit smb2, smb1 or auto negotiation >+ if "smb2" in binding_list: >+ self.assertEquals(serviceDescription, "SMB2") >+ elif "smb1" in binding_list: >+ self.assertEquals(serviceDescription, "SMB") >+ else: >+ self.assertIn(serviceDescription, ["SMB", "SMB2"]) >+ > def rpc_ncacn_np_ntlm_check(self, messages, authTypes, service, > binding, protection): > >@@ -83,14 +98,14 @@ class AuthLogTests(samba.tests.auth_log_base.AuthLogTestBase): > msg = messages[0] > self.assertEquals("Authentication", msg["type"]) > self.assertEquals("NT_STATUS_OK", msg["Authentication"]["status"]) >- self.assertEquals("SMB", >- msg["Authentication"]["serviceDescription"]) >+ self._assert_ncacn_np_serviceDescription(binding, >+ msg["Authentication"]["serviceDescription"]) > self.assertEquals(authTypes[1], msg["Authentication"]["authDescription"]) > > # Check the second message it should be an Authorization > msg = messages[1] > self.assertEquals("Authorization", msg["type"]) >- self.assertEquals("SMB", >+ self._assert_ncacn_np_serviceDescription(binding, > msg["Authorization"]["serviceDescription"]) > self.assertEquals(authTypes[2], msg["Authorization"]["authType"]) > self.assertEquals("SMB", msg["Authorization"]["transportProtection"]) >@@ -139,12 +154,7 @@ class AuthLogTests(samba.tests.auth_log_base.AuthLogTestBase): > # Check the third message it should be an Authorization > msg = messages[2] > self.assertEquals("Authorization", msg["type"]) >- serviceDescription = "SMB" >- print "binding %s" % binding >- if binding == "[smb2]": >- serviceDescription = "SMB2" >- >- self.assertEquals(serviceDescription, >+ self._assert_ncacn_np_serviceDescription(binding, > msg["Authorization"]["serviceDescription"]) > self.assertEquals(authTypes[3], msg["Authorization"]["authType"]) > self.assertEquals("SMB", msg["Authorization"]["transportProtection"]) >-- >2.17.1 > > >From 0eb01513e89074012134528d991aac3e9d8f0b59 Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Mon, 23 Jul 2018 00:17:35 +0200 >Subject: [PATCH 13/15] python/tests: use explicit "client ipc max protocol = > NT1" for samba.tests.net_join_no_spnego > >The tests rely on SMB1. > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13308 > >Signed-off-by: Stefan Metzmacher <metze@samba.org> >Reviewed-by: Alexander Bokovoy <ab@samba.org> >(cherry picked from commit 802e43bf742e756896fa73fcd139feca9ae293dd) >--- > python/samba/tests/net_join_no_spnego.py | 2 ++ > 1 file changed, 2 insertions(+) > >diff --git a/python/samba/tests/net_join_no_spnego.py b/python/samba/tests/net_join_no_spnego.py >index 09a2856c9b5b..0f45913f215f 100644 >--- a/python/samba/tests/net_join_no_spnego.py >+++ b/python/samba/tests/net_join_no_spnego.py >@@ -42,6 +42,7 @@ class NetJoinNoSpnegoTests(samba.tests.TestCaseInTempDir): > super(NetJoinNoSpnegoTests, self).tearDown() > > def test_net_join_no_spnego(self): >+ self.lp.set("client ipc max protocol", "NT1") > self.lp.set("client use spnego", "no") > netbios_name = "NetJoinNoSpnego" > machinepass = "abcdefghij" >@@ -65,6 +66,7 @@ class NetJoinNoSpnegoTests(samba.tests.TestCaseInTempDir): > self.fail("Shoud have rejected NTLMv2 without SPNEGO") > > def test_net_join_no_spnego_ntlmv1(self): >+ self.lp.set("client ipc max protocol", "NT1") > self.lp.set("client use spnego", "no") > self.lp.set("client ntlmv2 auth", "no") > netbios_name = "NetJoinNoSpnego" >-- >2.17.1 > > >From 74471d8b74a3612e8e927d02d21bf3ca86e6f814 Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Wed, 18 Jul 2018 16:55:33 +0200 >Subject: [PATCH 14/15] s4:librpc: autonegotiate SMB1/2/3 > >Windows Server 1709 defaults to SMB2 and does not have SMB1 enabled. >When establishing trust, samba-tool does not specify SMB protocol >version and fail by default. > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13308 > >Signed-off-by: Stefan Metzmacher <metze@samba.org> >Reviewed-by: Alexander Bokovoy <ab@samba.org> >(cherry picked from commit 4422f7382aad3090cb959ade030a02bf4fef81ac) >--- > source4/librpc/rpc/dcerpc_connect.c | 259 +++++++++++++--------------- > 1 file changed, 120 insertions(+), 139 deletions(-) > >diff --git a/source4/librpc/rpc/dcerpc_connect.c b/source4/librpc/rpc/dcerpc_connect.c >index d31bbe152e3e..c23e85e7cb19 100644 >--- a/source4/librpc/rpc/dcerpc_connect.c >+++ b/source4/librpc/rpc/dcerpc_connect.c >@@ -36,6 +36,7 @@ > #include "param/param.h" > #include "libcli/resolve/resolve.h" > #include "lib/http/http.h" >+#include "lib/util/util_net.h" > > struct dcerpc_pipe_connect { > struct dcecli_connection *conn; >@@ -76,6 +77,8 @@ static void continue_pipe_open_smb(struct composite_context *ctx) > } > > static void continue_smb_open(struct composite_context *c); >+static void continue_smb2_connect(struct tevent_req *subreq); >+static void continue_smbXcli_connect(struct tevent_req *subreq); > > /* > Stage 2 of ncacn_np_smb: Open a named pipe after successful smb connection >@@ -132,9 +135,12 @@ static struct composite_context *dcerpc_pipe_connect_ncacn_np_smb_send(TALLOC_CT > { > struct composite_context *c; > struct pipe_np_smb_state *s; >- struct composite_context *conn_req; >+ struct tevent_req *subreq = NULL; > struct smb_composite_connect *conn; > uint32_t flags; >+ const char *target_hostname = NULL; >+ const char *dest_address = NULL; >+ const char *calling_name = NULL; > > /* composite context allocation and setup */ > c = composite_create(mem_ctx, io->conn->event_ctx); >@@ -152,12 +158,17 @@ static struct composite_context *dcerpc_pipe_connect_ncacn_np_smb_send(TALLOC_CT > return c; > } > >+ if (s->io.creds == NULL) { >+ composite_error(c, NT_STATUS_INVALID_PARAMETER_MIX); >+ return c; >+ } >+ > /* prepare smb connection parameters: we're connecting to IPC$ share on > remote rpc server */ >+ target_hostname = dcerpc_binding_get_string_option(s->io.binding, "target_hostname"); > conn->in.dest_host = dcerpc_binding_get_string_option(s->io.binding, "host"); > conn->in.dest_ports = lpcfg_smb_ports(lp_ctx); >- conn->in.called_name = >- dcerpc_binding_get_string_option(s->io.binding, "target_hostname"); >+ conn->in.called_name = target_hostname; > if (conn->in.called_name == NULL) { > conn->in.called_name = "*SMBSERVER"; > } >@@ -184,21 +195,113 @@ static struct composite_context *dcerpc_pipe_connect_ncacn_np_smb_send(TALLOC_CT > conn->in.fallback_to_anonymous = false; > } > >- conn->in.options.min_protocol = PROTOCOL_NT1; >- conn->in.options.max_protocol = PROTOCOL_NT1; >+ conn->in.options.min_protocol = lpcfg_client_ipc_min_protocol(lp_ctx); >+ conn->in.options.max_protocol = lpcfg_client_ipc_max_protocol(lp_ctx); >+ if ((flags & DCERPC_SMB1) && (flags & DCERPC_SMB2)) { >+ /* auto */ >+ } else if (flags & DCERPC_SMB2) { >+ if (conn->in.options.min_protocol < PROTOCOL_SMB2_02) { >+ conn->in.options.min_protocol = PROTOCOL_SMB2_02; >+ } >+ if (conn->in.options.max_protocol < PROTOCOL_SMB2_02) { >+ conn->in.options.max_protocol = PROTOCOL_LATEST; >+ } >+ } else if (flags & DCERPC_SMB1) { >+ conn->in.options.min_protocol = PROTOCOL_NT1; >+ conn->in.options.max_protocol = PROTOCOL_NT1; >+ } else { >+ /* auto */ >+ } > > conn->in.options.signing = lpcfg_client_ipc_signing(lp_ctx); > >- /* send smb connect request */ >- conn_req = smb_composite_connect_send(conn, s->io.conn, >- s->io.resolve_ctx, >- c->event_ctx); >- if (composite_nomem(conn_req, c)) return c; >+ if (s->conn.in.credentials != NULL) { >+ calling_name = cli_credentials_get_workstation(s->conn.in.credentials); >+ } >+ if (calling_name == NULL) { >+ calling_name = "SMBCLIENT"; >+ } >+ >+ if (target_hostname == NULL) { >+ target_hostname = conn->in.dest_host; >+ } >+ >+ if (is_ipaddress(conn->in.dest_host)) { >+ dest_address = conn->in.dest_host; >+ } >+ >+ subreq = smb_connect_nego_send(s, >+ c->event_ctx, >+ s->io.resolve_ctx, >+ &conn->in.options, >+ conn->in.socket_options, >+ conn->in.dest_host, >+ dest_address, >+ conn->in.dest_ports, >+ target_hostname, >+ conn->in.called_name, >+ calling_name); >+ if (composite_nomem(subreq, c)) return c; >+ tevent_req_set_callback(subreq, >+ continue_smbXcli_connect, >+ c); > >- composite_continue(c, conn_req, continue_smb_connect, c); > return c; > } > >+static void continue_smbXcli_connect(struct tevent_req *subreq) >+{ >+ struct composite_context *c = >+ tevent_req_callback_data(subreq, >+ struct composite_context); >+ struct pipe_np_smb_state *s = >+ talloc_get_type_abort(c->private_data, >+ struct pipe_np_smb_state); >+ struct smb_composite_connect *conn = &s->conn; >+ struct composite_context *creq = NULL; >+ enum protocol_types protocol; >+ >+ c->status = smb_connect_nego_recv(subreq, s, >+ &conn->in.existing_conn); >+ TALLOC_FREE(subreq); >+ if (!composite_is_ok(c)) return; >+ >+ protocol = smbXcli_conn_protocol(conn->in.existing_conn); >+ if (protocol >= PROTOCOL_SMB2_02) { >+ /* >+ * continue with smb2 session setup/tree connect >+ * on the established connection. >+ */ >+ subreq = smb2_connect_send(s, c->event_ctx, >+ conn->in.dest_host, >+ conn->in.dest_ports, >+ conn->in.service, >+ s->io.resolve_ctx, >+ conn->in.credentials, >+ conn->in.fallback_to_anonymous, >+ &conn->in.existing_conn, >+ 0, /* previous_session_id */ >+ &conn->in.options, >+ conn->in.socket_options, >+ conn->in.gensec_settings); >+ if (composite_nomem(subreq, c)) return; >+ tevent_req_set_callback(subreq, continue_smb2_connect, c); >+ return; >+ } >+ >+ /* >+ * continue with smb1 session setup/tree connect >+ * on the established connection. >+ */ >+ creq = smb_composite_connect_send(conn, s->io.conn, >+ s->io.resolve_ctx, >+ c->event_ctx); >+ if (composite_nomem(creq, c)) return; >+ >+ composite_continue(c, creq, continue_smb_connect, c); >+ return; >+} >+ > > /* > Receive result of a rpc connection to a rpc pipe on SMB >@@ -238,93 +341,6 @@ static void continue_smb2_connect(struct tevent_req *subreq) > } > > >-/* >- Initiate async open of a rpc connection request on SMB2 using >- the binding structure to determine the endpoint and options >-*/ >-static struct composite_context *dcerpc_pipe_connect_ncacn_np_smb2_send( >- TALLOC_CTX *mem_ctx, >- struct dcerpc_pipe_connect *io, >- struct loadparm_context *lp_ctx) >-{ >- struct composite_context *c; >- struct pipe_np_smb_state *s; >- struct tevent_req *subreq; >- struct smbcli_options options; >- const char *host; >- uint32_t flags; >- >- /* composite context allocation and setup */ >- c = composite_create(mem_ctx, io->conn->event_ctx); >- if (c == NULL) return NULL; >- >- s = talloc_zero(c, struct pipe_np_smb_state); >- if (composite_nomem(s, c)) return c; >- c->private_data = s; >- >- s->io = *io; >- >- if (smbXcli_conn_is_connected(s->io.smb.conn)) { >- continue_smb_open(c); >- return c; >- } >- >- host = dcerpc_binding_get_string_option(s->io.binding, "host"); >- flags = dcerpc_binding_get_flags(s->io.binding); >- >- /* >- * provide proper credentials - user supplied or anonymous in case this is >- * schannel connection >- */ >- if (flags & DCERPC_SCHANNEL) { >- s->io.creds = cli_credentials_init_anon(mem_ctx); >- if (composite_nomem(s->io.creds, c)) return c; >- } >- >- lpcfg_smbcli_options(lp_ctx, &options); >- >- options.min_protocol = lpcfg_client_ipc_min_protocol(lp_ctx); >- if (options.min_protocol < PROTOCOL_SMB2_02) { >- options.min_protocol = PROTOCOL_SMB2_02; >- } >- options.max_protocol = lpcfg_client_ipc_max_protocol(lp_ctx); >- if (options.max_protocol < PROTOCOL_SMB2_02) { >- options.max_protocol = PROTOCOL_SMB2_02; >- } >- >- options.signing = lpcfg_client_ipc_signing(lp_ctx); >- >- /* send smb2 connect request */ >- subreq = smb2_connect_send(s, c->event_ctx, >- host, >- lpcfg_parm_string_list(mem_ctx, lp_ctx, NULL, "smb2", "ports", NULL), >- "IPC$", >- s->io.resolve_ctx, >- s->io.creds, >- false, /* fallback_to_anonymous */ >- NULL, /* existing_conn */ >- 0, /* previous_session_id */ >- &options, >- lpcfg_socket_options(lp_ctx), >- lpcfg_gensec_settings(mem_ctx, lp_ctx)); >- if (composite_nomem(subreq, c)) return c; >- tevent_req_set_callback(subreq, continue_smb2_connect, c); >- return c; >-} >- >- >-/* >- Receive result of a rpc connection to a rpc pipe on SMB2 >-*/ >-static NTSTATUS dcerpc_pipe_connect_ncacn_np_smb2_recv(struct composite_context *c) >-{ >- NTSTATUS status = composite_wait(c); >- >- talloc_free(c); >- return status; >-} >- >- > struct pipe_ip_tcp_state { > struct dcerpc_pipe_connect io; > const char *localaddr; >@@ -753,7 +769,6 @@ struct pipe_connect_state { > > static void continue_map_binding(struct composite_context *ctx); > static void continue_connect(struct composite_context *c, struct pipe_connect_state *s); >-static void continue_pipe_connect_ncacn_np_smb2(struct composite_context *ctx); > static void continue_pipe_connect_ncacn_np_smb(struct composite_context *ctx); > static void continue_pipe_connect_ncacn_ip_tcp(struct composite_context *ctx); > static void continue_pipe_connect_ncacn_http(struct composite_context *ctx); >@@ -792,15 +807,12 @@ static void continue_connect(struct composite_context *c, struct pipe_connect_st > struct dcerpc_pipe_connect pc; > > /* potential exits to another stage by sending an async request */ >- struct composite_context *ncacn_np_smb2_req; > struct composite_context *ncacn_np_smb_req; > struct composite_context *ncacn_ip_tcp_req; > struct composite_context *ncacn_http_req; > struct composite_context *ncacn_unix_req; > struct composite_context *ncalrpc_req; > enum dcerpc_transport_t transport; >- enum protocol_types min_ipc_protocol; >- uint32_t flags; > > /* dcerpc pipe connect input parameters */ > ZERO_STRUCT(pc); >@@ -811,29 +823,16 @@ static void continue_connect(struct composite_context *c, struct pipe_connect_st > pc.resolve_ctx = lpcfg_resolve_context(s->lp_ctx); > > transport = dcerpc_binding_get_transport(s->binding); >- flags = dcerpc_binding_get_flags(s->binding); >- >- min_ipc_protocol = lpcfg_client_ipc_min_protocol(s->lp_ctx); >- if (min_ipc_protocol >= PROTOCOL_SMB2_02) { >- flags |= DCERPC_SMB2; >- } > > /* connect dcerpc pipe depending on required transport */ > switch (transport) { > case NCACN_NP: >- if (flags & DCERPC_SMB2) { >- /* new varient of SMB a.k.a. SMB2 */ >- ncacn_np_smb2_req = dcerpc_pipe_connect_ncacn_np_smb2_send(c, &pc, s->lp_ctx); >- composite_continue(c, ncacn_np_smb2_req, continue_pipe_connect_ncacn_np_smb2, c); >- return; >- >- } else { >- /* good old ordinary SMB */ >- ncacn_np_smb_req = dcerpc_pipe_connect_ncacn_np_smb_send(c, &pc, s->lp_ctx); >- composite_continue(c, ncacn_np_smb_req, continue_pipe_connect_ncacn_np_smb, c); >- return; >- } >- break; >+ /* >+ * SMB1/2/3... >+ */ >+ ncacn_np_smb_req = dcerpc_pipe_connect_ncacn_np_smb_send(c, &pc, s->lp_ctx); >+ composite_continue(c, ncacn_np_smb_req, continue_pipe_connect_ncacn_np_smb, c); >+ return; > > case NCACN_IP_TCP: > ncacn_ip_tcp_req = dcerpc_pipe_connect_ncacn_ip_tcp_send(c, &pc); >@@ -866,24 +865,6 @@ static void continue_connect(struct composite_context *c, struct pipe_connect_st > } > > >-/* >- Stage 3 of pipe_connect_b: Receive result of pipe connect request on >- named pipe on smb2 >-*/ >-static void continue_pipe_connect_ncacn_np_smb2(struct composite_context *ctx) >-{ >- struct composite_context *c = talloc_get_type(ctx->async.private_data, >- struct composite_context); >- struct pipe_connect_state *s = talloc_get_type(c->private_data, >- struct pipe_connect_state); >- >- c->status = dcerpc_pipe_connect_ncacn_np_smb2_recv(ctx); >- if (!composite_is_ok(c)) return; >- >- continue_pipe_connect(c, s); >-} >- >- > /* > Stage 3 of pipe_connect_b: Receive result of pipe connect request on > named pipe on smb >-- >2.17.1 > > >From 85ea87fba41ce2aed020afe7188c0a5cbdc2de90 Mon Sep 17 00:00:00 2001 >From: Stefan Metzmacher <metze@samba.org> >Date: Thu, 19 Jul 2018 07:34:11 +0200 >Subject: [PATCH 15/15] s3:selftest: run rpc.lsa.lookupsids also with explicit > [smb1] and [smb2] > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13308 > >Signed-off-by: Stefan Metzmacher <metze@samba.org> >Reviewed-by: Alexander Bokovoy <ab@samba.org> >(cherry picked from commit 6800077c5c57c257326573537d1f2bb7a8066149) >--- > source3/selftest/tests.py | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >diff --git a/source3/selftest/tests.py b/source3/selftest/tests.py >index 9092c1776c8d..1e18acc80f26 100755 >--- a/source3/selftest/tests.py >+++ b/source3/selftest/tests.py >@@ -569,7 +569,7 @@ for t in tests: > > > test = 'rpc.lsa.lookupsids' >-auth_options = ["", "ntlm", "spnego", "spnego,ntlm" ] >+auth_options = ["", "ntlm", "spnego", "spnego,ntlm", "spnego,smb1", "spnego,smb2"] > signseal_options = ["", ",connect", ",packet", ",sign", ",seal"] > endianness_options = ["", ",bigendian"] > for s in signseal_options: >-- >2.17.1 >
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