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authorStefan Metzmacher <metze@samba.org>2006-07-27 10:03:54 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 14:10:25 -0500
commit28b8ec0156e99d7bddc2aa243f6631a66c94a078 (patch)
tree9a6804991eb46c4f2607589c71c47df148ae3cc8 /source4
parent64d6abac745bd279e1137a05e5022147a6fdfd4d (diff)
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r17268: change the smb2 session setup to use the new gensec_update_send/recv() api
metze (This used to be commit 14ecc563431335c99df33f4a454b3b02380ae165)
Diffstat (limited to 'source4')
-rw-r--r--source4/smb_server/smb2/sesssetup.c152
1 files changed, 91 insertions, 61 deletions
diff --git a/source4/smb_server/smb2/sesssetup.c b/source4/smb_server/smb2/sesssetup.c
index e1c326bb9d..a2d8713054 100644
--- a/source4/smb_server/smb2/sesssetup.c
+++ b/source4/smb_server/smb2/sesssetup.c
@@ -28,11 +28,78 @@
#include "smb_server/smb2/smb2_server.h"
#include "smbd/service_stream.h"
-static NTSTATUS smb2srv_sesssetup_backend(struct smb2srv_request *req, union smb_sesssetup *io)
+static void smb2srv_sesssetup_send(struct smb2srv_request *req, union smb_sesssetup *io)
+{
+ uint16_t unknown1;
+
+ if (NT_STATUS_IS_OK(req->status)) {
+ unknown1 = 0x0003;
+ } else if (NT_STATUS_EQUAL(req->status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ unknown1 = 0x0002;
+ } else {
+ smb2srv_send_error(req, req->status);
+ return;
+ }
+
+ SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x08, True, io->smb2.out.secblob.length));
+
+ SSVAL(req->out.hdr, SMB2_HDR_UNKNOWN1, unknown1);
+ SBVAL(req->out.hdr, SMB2_HDR_UID, io->smb2.out.uid);
+
+ SSVAL(req->out.body, 0x02, io->smb2.out._pad);
+ SMB2SRV_CHECK(smb2_push_o16s16_blob(&req->out, 0x04, io->smb2.out.secblob));
+
+ smb2srv_send_reply(req);
+}
+
+struct smb2srv_sesssetup_callback_ctx {
+ struct smb2srv_request *req;
+ union smb_sesssetup *io;
+ struct smbsrv_session *smb_sess;
+};
+
+static void smb2srv_sesssetup_callback(struct gensec_update_request *greq, void *private_data)
+{
+ struct smb2srv_sesssetup_callback_ctx *ctx = talloc_get_type(private_data,
+ struct smb2srv_sesssetup_callback_ctx);
+ struct smb2srv_request *req = ctx->req;
+ union smb_sesssetup *io = ctx->io;
+ struct smbsrv_session *smb_sess = ctx->smb_sess;;
+ struct auth_session_info *session_info = NULL;
+ NTSTATUS status;
+
+ status = gensec_update_recv(greq, req, &io->smb2.out.secblob);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ goto done;
+ } else if (!NT_STATUS_IS_OK(status)) {
+ goto failed;
+ }
+
+ status = gensec_session_info(smb_sess->gensec_ctx, &session_info);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto failed;
+ }
+
+ /* Ensure this is marked as a 'real' vuid, not one
+ * simply valid for the session setup leg */
+ status = smbsrv_session_sesssetup_finished(smb_sess, session_info);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto failed;
+ }
+ req->session = smb_sess;
+
+done:
+ io->smb2.out.uid = smb_sess->vuid;
+failed:
+ req->status = auth_nt_status_squash(status);
+ smb2srv_sesssetup_send(req, io);
+}
+
+static void smb2srv_sesssetup_backend(struct smb2srv_request *req, union smb_sesssetup *io)
{
NTSTATUS status;
+ struct smb2srv_sesssetup_callback_ctx *callback_ctx;
struct smbsrv_session *smb_sess = NULL;
- struct auth_session_info *session_info = NULL;
uint64_t vuid;
io->smb2.out._pad = 0;
@@ -51,7 +118,7 @@ static NTSTATUS smb2srv_sesssetup_backend(struct smb2srv_request *req, union smb
req->smb_conn->connection->event.ctx);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("Failed to start GENSEC server code: %s\n", nt_errstr(status)));
- return status;
+ goto failed;
}
gensec_set_credentials(gensec_ctx, req->smb_conn->negotiate.server_credentials);
@@ -63,12 +130,15 @@ static NTSTATUS smb2srv_sesssetup_backend(struct smb2srv_request *req, union smb
status = gensec_start_mech_by_oid(gensec_ctx, GENSEC_OID_SPNEGO);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("Failed to start GENSEC SPNEGO server code: %s\n", nt_errstr(status)));
- return status;
+ goto failed;
}
/* allocate a new session */
smb_sess = smbsrv_session_new(req->smb_conn, gensec_ctx);
- NT_STATUS_HAVE_NO_MEMORY(smb_sess);
+ if (!smb_sess) {
+ status = NT_STATUS_INSUFFICIENT_RESOURCES;
+ goto failed;
+ }
status = smbsrv_smb2_init_tcons(smb_sess);
if (!NT_STATUS_IS_OK(status)) {
goto failed;
@@ -79,7 +149,8 @@ static NTSTATUS smb2srv_sesssetup_backend(struct smb2srv_request *req, union smb
}
if (!smb_sess) {
- return NT_STATUS_USER_SESSION_DELETED;
+ status = NT_STATUS_USER_SESSION_DELETED;
+ goto failed;
}
if (!smb_sess->gensec_ctx) {
@@ -88,57 +159,21 @@ static NTSTATUS smb2srv_sesssetup_backend(struct smb2srv_request *req, union smb
goto failed;
}
- status = gensec_update(smb_sess->gensec_ctx, req, io->smb2.in.secblob, &io->smb2.out.secblob);
- if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- io->smb2.out.uid = smb_sess->vuid;
- return status;
- } else if (!NT_STATUS_IS_OK(status)) {
- goto failed;
- }
-
- status = gensec_session_info(smb_sess->gensec_ctx, &session_info);
- if (!NT_STATUS_IS_OK(status)) {
- goto failed;
- }
-
- /* Ensure this is marked as a 'real' vuid, not one
- * simply valid for the session setup leg */
- status = smbsrv_session_sesssetup_finished(smb_sess, session_info);
- if (!NT_STATUS_IS_OK(status)) {
- goto failed;
- }
- req->session = smb_sess;
-
- io->smb2.out.uid = smb_sess->vuid;
- return status;
-
+ callback_ctx = talloc(req, struct smb2srv_sesssetup_callback_ctx);
+ if (!callback_ctx) goto nomem;
+ callback_ctx->req = req;
+ callback_ctx->io = io;
+ callback_ctx->smb_sess = smb_sess;
+
+ gensec_update_send(smb_sess->gensec_ctx, io->smb2.in.secblob,
+ smb2srv_sesssetup_callback, callback_ctx);
+ return;
+nomem:
+ status = NT_STATUS_NO_MEMORY;
failed:
talloc_free(smb_sess);
- return auth_nt_status_squash(status);
-}
-
-static void smb2srv_sesssetup_send(struct smb2srv_request *req, union smb_sesssetup *io)
-{
- uint16_t unknown1;
-
- if (NT_STATUS_IS_OK(req->status)) {
- unknown1 = 0x0003;
- } else if (NT_STATUS_EQUAL(req->status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- unknown1 = 0x0002;
- } else {
- smb2srv_send_error(req, req->status);
- return;
- }
-
- SMB2SRV_CHECK(smb2srv_setup_reply(req, 0x08, True, io->smb2.out.secblob.length));
-
- SSVAL(req->out.hdr, SMB2_HDR_UNKNOWN1, unknown1);
- SBVAL(req->out.hdr, SMB2_HDR_UID, io->smb2.out.uid);
-
- SSVAL(req->out.body, 0x02, io->smb2.out._pad);
- SMB2SRV_CHECK(smb2_push_o16s16_blob(&req->out, 0x04, io->smb2.out.secblob));
-
- smb2srv_send_reply(req);
+ req->status = auth_nt_status_squash(status);
+ smb2srv_sesssetup_send(req, io);
}
void smb2srv_sesssetup_recv(struct smb2srv_request *req)
@@ -155,12 +190,7 @@ void smb2srv_sesssetup_recv(struct smb2srv_request *req)
SMB2SRV_CHECK(smb2_pull_o16s16_blob(&req->in, io, req->in.body+0x0C, &io->smb2.in.secblob));
io->smb2.in.unknown4 = BVAL(req->in.body, 0x10);
- req->status = smb2srv_sesssetup_backend(req, io);
- if (req->control_flags & SMB2SRV_REQ_CTRL_FLAG_NOT_REPLY) {
- talloc_free(req);
- return;
- }
- smb2srv_sesssetup_send(req, io);
+ smb2srv_sesssetup_backend(req, io);
}
static NTSTATUS smb2srv_logoff_backend(struct smb2srv_request *req)