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authorStefan Metzmacher <metze@samba.org>2006-07-27 19:07:15 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 14:15:06 -0500
commit1575743c36e742403c48a15a61bb0afa518012d8 (patch)
tree1064a5af5101bb34fa4881fd5af63f9011fabf77 /source4/smb_server
parent2ce34063e514fb7bffcdf7c6cfe5ba1867155a36 (diff)
downloadsamba-1575743c36e742403c48a15a61bb0afa518012d8.tar.gz
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r17283: use the async calls of auth_check_password() and gensec_update()
in the smb server. metze (This used to be commit 216e02c69cf5914487f0000d836d1082795487b2)
Diffstat (limited to 'source4/smb_server')
-rw-r--r--source4/smb_server/smb/reply.c237
-rw-r--r--source4/smb_server/smb/sesssetup.c338
2 files changed, 330 insertions, 245 deletions
diff --git a/source4/smb_server/smb/reply.c b/source4/smb_server/smb/reply.c
index 256abc0c7c..dd5e964bae 100644
--- a/source4/smb_server/smb/reply.c
+++ b/source4/smb_server/smb/reply.c
@@ -1776,25 +1776,106 @@ void smbsrv_reply_getattrE(struct smbsrv_request *req)
SMBSRV_CALL_NTVFS_BACKEND(ntvfs_qfileinfo(req->ntvfs, info));
}
+void smbsrv_reply_sesssetup_send(struct smbsrv_request *req,
+ union smb_sesssetup *io,
+ NTSTATUS status)
+{
+ switch (io->old.level) {
+ case RAW_SESSSETUP_OLD:
+ if (!NT_STATUS_IS_OK(status)) {
+ smbsrv_send_error(req, status);
+ return;
+ }
+
+ /* construct reply */
+ smbsrv_setup_reply(req, 3, 0);
+
+ SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+ SSVAL(req->out.vwv, VWV(1), 0);
+ SSVAL(req->out.vwv, VWV(2), io->old.out.action);
+
+ SSVAL(req->out.hdr, HDR_UID, io->old.out.vuid);
+
+ smbsrv_chain_reply(req);
+ return;
+
+ case RAW_SESSSETUP_NT1:
+ if (!NT_STATUS_IS_OK(status)) {
+ smbsrv_send_error(req, status);
+ return;
+ }
+
+ /* construct reply */
+ smbsrv_setup_reply(req, 3, 0);
+
+ SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+ SSVAL(req->out.vwv, VWV(1), 0);
+ SSVAL(req->out.vwv, VWV(2), io->nt1.out.action);
+
+ SSVAL(req->out.hdr, HDR_UID, io->nt1.out.vuid);
+
+ req_push_str(req, NULL, io->nt1.out.os, -1, STR_TERMINATE);
+ req_push_str(req, NULL, io->nt1.out.lanman, -1, STR_TERMINATE);
+ req_push_str(req, NULL, io->nt1.out.domain, -1, STR_TERMINATE);
+
+ smbsrv_chain_reply(req);
+ return;
+
+ case RAW_SESSSETUP_SPNEGO:
+ if (!NT_STATUS_IS_OK(status) &&
+ !NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ smbsrv_send_error(req, status);
+ return;
+ }
+
+ /* construct reply */
+ smbsrv_setup_reply(req, 4, io->spnego.out.secblob.length);
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ smbsrv_setup_error(req, status);
+ }
+
+ SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
+ SSVAL(req->out.vwv, VWV(1), 0);
+ SSVAL(req->out.vwv, VWV(2), io->spnego.out.action);
+ SSVAL(req->out.vwv, VWV(3), io->spnego.out.secblob.length);
+
+ SSVAL(req->out.hdr, HDR_UID, io->spnego.out.vuid);
+
+ memcpy(req->out.data, io->spnego.out.secblob.data, io->spnego.out.secblob.length);
+ req_push_str(req, NULL, io->spnego.out.os, -1, STR_TERMINATE);
+ req_push_str(req, NULL, io->spnego.out.lanman, -1, STR_TERMINATE);
+ req_push_str(req, NULL, io->spnego.out.workgroup, -1, STR_TERMINATE);
+
+ smbsrv_chain_reply(req);
+ return;
+
+ case RAW_SESSSETUP_SMB2:
+ break;
+ }
+
+ smbsrv_send_error(req, NT_STATUS_INTERNAL_ERROR);
+}
/****************************************************************************
reply to an old style session setup command
****************************************************************************/
static void reply_sesssetup_old(struct smbsrv_request *req)
{
- NTSTATUS status;
- union smb_sesssetup sess;
uint8_t *p;
uint16_t passlen;
+ union smb_sesssetup *io;
+
+ SMBSRV_TALLOC_IO_PTR(io, union smb_sesssetup);
- sess.old.level = RAW_SESSSETUP_OLD;
+ io->old.level = RAW_SESSSETUP_OLD;
/* parse request */
- sess.old.in.bufsize = SVAL(req->in.vwv, VWV(2));
- sess.old.in.mpx_max = SVAL(req->in.vwv, VWV(3));
- sess.old.in.vc_num = SVAL(req->in.vwv, VWV(4));
- sess.old.in.sesskey = IVAL(req->in.vwv, VWV(5));
- passlen = SVAL(req->in.vwv, VWV(7));
+ io->old.in.bufsize = SVAL(req->in.vwv, VWV(2));
+ io->old.in.mpx_max = SVAL(req->in.vwv, VWV(3));
+ io->old.in.vc_num = SVAL(req->in.vwv, VWV(4));
+ io->old.in.sesskey = IVAL(req->in.vwv, VWV(5));
+ passlen = SVAL(req->in.vwv, VWV(7));
/* check the request isn't malformed */
if (req_data_oob(req, req->in.data, passlen)) {
@@ -1803,58 +1884,42 @@ static void reply_sesssetup_old(struct smbsrv_request *req)
}
p = req->in.data;
- if (!req_pull_blob(req, p, passlen, &sess.old.in.password)) {
+ if (!req_pull_blob(req, p, passlen, &io->old.in.password)) {
smbsrv_send_error(req, NT_STATUS_FOOBAR);
return;
}
p += passlen;
- p += req_pull_string(req, &sess.old.in.user, p, -1, STR_TERMINATE);
- p += req_pull_string(req, &sess.old.in.domain, p, -1, STR_TERMINATE);
- p += req_pull_string(req, &sess.old.in.os, p, -1, STR_TERMINATE);
- p += req_pull_string(req, &sess.old.in.lanman, p, -1, STR_TERMINATE);
+ p += req_pull_string(req, &io->old.in.user, p, -1, STR_TERMINATE);
+ p += req_pull_string(req, &io->old.in.domain, p, -1, STR_TERMINATE);
+ p += req_pull_string(req, &io->old.in.os, p, -1, STR_TERMINATE);
+ p += req_pull_string(req, &io->old.in.lanman, p, -1, STR_TERMINATE);
/* call the generic handler */
- status = smbsrv_sesssetup_backend(req, &sess);
-
- if (!NT_STATUS_IS_OK(status)) {
- smbsrv_send_error(req, status);
- return;
- }
-
- /* construct reply */
- smbsrv_setup_reply(req, 3, 0);
-
- SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
- SSVAL(req->out.vwv, VWV(1), 0);
- SSVAL(req->out.vwv, VWV(2), sess.old.out.action);
-
- SSVAL(req->out.hdr, HDR_UID, sess.old.out.vuid);
-
- smbsrv_chain_reply(req);
+ smbsrv_sesssetup_backend(req, io);
}
-
/****************************************************************************
reply to an NT1 style session setup command
****************************************************************************/
static void reply_sesssetup_nt1(struct smbsrv_request *req)
{
- NTSTATUS status;
- union smb_sesssetup sess;
uint8_t *p;
uint16_t passlen1, passlen2;
+ union smb_sesssetup *io;
+
+ SMBSRV_TALLOC_IO_PTR(io, union smb_sesssetup);
- sess.nt1.level = RAW_SESSSETUP_NT1;
+ io->nt1.level = RAW_SESSSETUP_NT1;
/* parse request */
- sess.nt1.in.bufsize = SVAL(req->in.vwv, VWV(2));
- sess.nt1.in.mpx_max = SVAL(req->in.vwv, VWV(3));
- sess.nt1.in.vc_num = SVAL(req->in.vwv, VWV(4));
- sess.nt1.in.sesskey = IVAL(req->in.vwv, VWV(5));
- passlen1 = SVAL(req->in.vwv, VWV(7));
- passlen2 = SVAL(req->in.vwv, VWV(8));
- sess.nt1.in.capabilities = IVAL(req->in.vwv, VWV(11));
+ io->nt1.in.bufsize = SVAL(req->in.vwv, VWV(2));
+ io->nt1.in.mpx_max = SVAL(req->in.vwv, VWV(3));
+ io->nt1.in.vc_num = SVAL(req->in.vwv, VWV(4));
+ io->nt1.in.sesskey = IVAL(req->in.vwv, VWV(5));
+ passlen1 = SVAL(req->in.vwv, VWV(7));
+ passlen2 = SVAL(req->in.vwv, VWV(8));
+ io->nt1.in.capabilities = IVAL(req->in.vwv, VWV(11));
/* check the request isn't malformed */
if (req_data_oob(req, req->in.data, passlen1) ||
@@ -1864,44 +1929,24 @@ static void reply_sesssetup_nt1(struct smbsrv_request *req)
}
p = req->in.data;
- if (!req_pull_blob(req, p, passlen1, &sess.nt1.in.password1)) {
+ if (!req_pull_blob(req, p, passlen1, &io->nt1.in.password1)) {
smbsrv_send_error(req, NT_STATUS_FOOBAR);
return;
}
p += passlen1;
- if (!req_pull_blob(req, p, passlen2, &sess.nt1.in.password2)) {
+ if (!req_pull_blob(req, p, passlen2, &io->nt1.in.password2)) {
smbsrv_send_error(req, NT_STATUS_FOOBAR);
return;
}
p += passlen2;
- p += req_pull_string(req, &sess.nt1.in.user, p, -1, STR_TERMINATE);
- p += req_pull_string(req, &sess.nt1.in.domain, p, -1, STR_TERMINATE);
- p += req_pull_string(req, &sess.nt1.in.os, p, -1, STR_TERMINATE);
- p += req_pull_string(req, &sess.nt1.in.lanman, p, -1, STR_TERMINATE);
+ p += req_pull_string(req, &io->nt1.in.user, p, -1, STR_TERMINATE);
+ p += req_pull_string(req, &io->nt1.in.domain, p, -1, STR_TERMINATE);
+ p += req_pull_string(req, &io->nt1.in.os, p, -1, STR_TERMINATE);
+ p += req_pull_string(req, &io->nt1.in.lanman, p, -1, STR_TERMINATE);
/* call the generic handler */
- status = smbsrv_sesssetup_backend(req, &sess);
-
- if (!NT_STATUS_IS_OK(status)) {
- smbsrv_send_error(req, status);
- return;
- }
-
- /* construct reply */
- smbsrv_setup_reply(req, 3, 0);
-
- SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
- SSVAL(req->out.vwv, VWV(1), 0);
- SSVAL(req->out.vwv, VWV(2), sess.nt1.out.action);
-
- SSVAL(req->out.hdr, HDR_UID, sess.nt1.out.vuid);
-
- req_push_str(req, NULL, sess.nt1.out.os, -1, STR_TERMINATE);
- req_push_str(req, NULL, sess.nt1.out.lanman, -1, STR_TERMINATE);
- req_push_str(req, NULL, sess.nt1.out.domain, -1, STR_TERMINATE);
-
- smbsrv_chain_reply(req);
+ smbsrv_sesssetup_backend(req, io);
}
@@ -1910,61 +1955,35 @@ reply to an SPNEGO style session setup command
****************************************************************************/
static void reply_sesssetup_spnego(struct smbsrv_request *req)
{
- NTSTATUS status;
- union smb_sesssetup sess;
uint8_t *p;
uint16_t blob_len;
+ union smb_sesssetup *io;
- sess.spnego.level = RAW_SESSSETUP_SPNEGO;
+ SMBSRV_TALLOC_IO_PTR(io, union smb_sesssetup);
+
+ io->spnego.level = RAW_SESSSETUP_SPNEGO;
/* parse request */
- sess.spnego.in.bufsize = SVAL(req->in.vwv, VWV(2));
- sess.spnego.in.mpx_max = SVAL(req->in.vwv, VWV(3));
- sess.spnego.in.vc_num = SVAL(req->in.vwv, VWV(4));
- sess.spnego.in.sesskey = IVAL(req->in.vwv, VWV(5));
- blob_len = SVAL(req->in.vwv, VWV(7));
- sess.spnego.in.capabilities = IVAL(req->in.vwv, VWV(10));
+ io->spnego.in.bufsize = SVAL(req->in.vwv, VWV(2));
+ io->spnego.in.mpx_max = SVAL(req->in.vwv, VWV(3));
+ io->spnego.in.vc_num = SVAL(req->in.vwv, VWV(4));
+ io->spnego.in.sesskey = IVAL(req->in.vwv, VWV(5));
+ blob_len = SVAL(req->in.vwv, VWV(7));
+ io->spnego.in.capabilities = IVAL(req->in.vwv, VWV(10));
p = req->in.data;
- if (!req_pull_blob(req, p, blob_len, &sess.spnego.in.secblob)) {
+ if (!req_pull_blob(req, p, blob_len, &io->spnego.in.secblob)) {
smbsrv_send_error(req, NT_STATUS_FOOBAR);
return;
}
p += blob_len;
- p += req_pull_string(req, &sess.spnego.in.os, p, -1, STR_TERMINATE);
- p += req_pull_string(req, &sess.spnego.in.lanman, p, -1, STR_TERMINATE);
- p += req_pull_string(req, &sess.spnego.in.workgroup, p, -1, STR_TERMINATE);
+ p += req_pull_string(req, &io->spnego.in.os, p, -1, STR_TERMINATE);
+ p += req_pull_string(req, &io->spnego.in.lanman, p, -1, STR_TERMINATE);
+ p += req_pull_string(req, &io->spnego.in.workgroup, p, -1, STR_TERMINATE);
/* call the generic handler */
- status = smbsrv_sesssetup_backend(req, &sess);
-
- if (!NT_STATUS_IS_OK(status) &&
- !NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- smbsrv_send_error(req, status);
- return;
- }
-
- /* construct reply */
- smbsrv_setup_reply(req, 4, sess.spnego.out.secblob.length);
-
- if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- smbsrv_setup_error(req, status);
- }
-
- SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
- SSVAL(req->out.vwv, VWV(1), 0);
- SSVAL(req->out.vwv, VWV(2), sess.spnego.out.action);
- SSVAL(req->out.vwv, VWV(3), sess.spnego.out.secblob.length);
-
- SSVAL(req->out.hdr, HDR_UID, sess.spnego.out.vuid);
-
- memcpy(req->out.data, sess.spnego.out.secblob.data, sess.spnego.out.secblob.length);
- req_push_str(req, NULL, sess.spnego.out.os, -1, STR_TERMINATE);
- req_push_str(req, NULL, sess.spnego.out.lanman, -1, STR_TERMINATE);
- req_push_str(req, NULL, sess.spnego.out.workgroup, -1, STR_TERMINATE);
-
- smbsrv_chain_reply(req);
+ smbsrv_sesssetup_backend(req, io);
}
diff --git a/source4/smb_server/smb/sesssetup.c b/source4/smb_server/smb/sesssetup.c
index f4407c1a28..fe75cce17e 100644
--- a/source4/smb_server/smb/sesssetup.c
+++ b/source4/smb_server/smb/sesssetup.c
@@ -41,40 +41,89 @@ static void sesssetup_common_strings(struct smbsrv_request *req,
(*domain) = talloc_asprintf(req, "%s", lp_workgroup());
}
+static void smbsrv_sesssetup_backend_send(struct smbsrv_request *req,
+ union smb_sesssetup *sess,
+ NTSTATUS status)
+{
+ if (NT_STATUS_IS_OK(status)) {
+ req->smb_conn->negotiate.done_sesssetup = True;
+ }
+ smbsrv_reply_sesssetup_send(req, sess, status);
+}
+
+static void sesssetup_old_send(struct auth_check_password_request *areq,
+ void *private_data)
+{
+ struct smbsrv_request *req = talloc_get_type(private_data, struct smbsrv_request);
+ union smb_sesssetup *sess = talloc_get_type(req->io_ptr, union smb_sesssetup);
+ struct auth_serversupplied_info *server_info = NULL;
+ struct auth_session_info *session_info;
+ struct smbsrv_session *smb_sess;
+ NTSTATUS status;
+
+ status = auth_check_password_recv(areq, req, &server_info);
+ if (!NT_STATUS_IS_OK(status)) goto failed;
+
+ /* This references server_info into session_info */
+ status = auth_generate_session_info(req, server_info, &session_info);
+ if (!NT_STATUS_IS_OK(status)) goto failed;
+
+ /* allocate a new session */
+ smb_sess = smbsrv_session_new(req->smb_conn, NULL);
+ if (!smb_sess) {
+ status = NT_STATUS_INSUFFICIENT_RESOURCES;
+ 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;
+
+ /* To correctly process any AndX packet (like a tree connect)
+ * we need to fill in the session on the request here */
+ req->session = smb_sess;
+ sess->old.out.vuid = smb_sess->vuid;
+
+failed:
+ status = auth_nt_status_squash(status);
+ smbsrv_sesssetup_backend_send(req, sess, status);
+}
/*
handler for old style session setup
*/
-static NTSTATUS sesssetup_old(struct smbsrv_request *req, union smb_sesssetup *sess)
+static void sesssetup_old(struct smbsrv_request *req, union smb_sesssetup *sess)
{
- NTSTATUS status;
struct auth_usersupplied_info *user_info = NULL;
- struct auth_serversupplied_info *server_info = NULL;
- struct auth_session_info *session_info;
- struct smbsrv_session *smb_sess;
struct socket_address *remote_address;
const char *remote_machine = NULL;
sess->old.out.vuid = 0;
sess->old.out.action = 0;
+ sesssetup_common_strings(req,
+ &sess->old.out.os,
+ &sess->old.out.lanman,
+ &sess->old.out.domain);
+
if (!req->smb_conn->negotiate.done_sesssetup) {
req->smb_conn->negotiate.max_send = sess->old.in.bufsize;
}
-
+
if (req->smb_conn->negotiate.calling_name) {
remote_machine = req->smb_conn->negotiate.calling_name->name;
}
remote_address = socket_get_peer_addr(req->smb_conn->connection->socket, req);
- NT_STATUS_HAVE_NO_MEMORY(remote_address);
+ if (!remote_address) goto nomem;
if (!remote_machine) {
remote_machine = remote_address->addr;
}
user_info = talloc(req, struct auth_usersupplied_info);
- NT_STATUS_HAVE_NO_MEMORY(user_info);
+ if (!user_info) goto nomem;
user_info->mapped_state = False;
user_info->logon_parameters = 0;
@@ -89,62 +138,93 @@ static NTSTATUS sesssetup_old(struct smbsrv_request *req, union smb_sesssetup *s
user_info->password.response.lanman.data = talloc_steal(user_info, sess->old.in.password.data);
user_info->password.response.nt = data_blob(NULL, 0);
- status = auth_check_password(req->smb_conn->negotiate.auth_context,
- req, user_info, &server_info);
- if (!NT_STATUS_IS_OK(status)) {
- return auth_nt_status_squash(status);
- }
+ auth_check_password_send(req->smb_conn->negotiate.auth_context, user_info,
+ sesssetup_old_send, req);
+ return;
+
+nomem:
+ smbsrv_sesssetup_backend_send(req, sess, NT_STATUS_NO_MEMORY);
+}
+
+static void sesssetup_nt1_send(struct auth_check_password_request *areq,
+ void *private_data)
+{
+ struct smbsrv_request *req = talloc_get_type(private_data, struct smbsrv_request);
+ union smb_sesssetup *sess = talloc_get_type(req->io_ptr, union smb_sesssetup);
+ struct auth_serversupplied_info *server_info = NULL;
+ struct auth_session_info *session_info;
+ struct smbsrv_session *smb_sess;
+ NTSTATUS status;
+
+ status = auth_check_password_recv(areq, req, &server_info);
+ if (!NT_STATUS_IS_OK(status)) goto failed;
/* This references server_info into session_info */
status = auth_generate_session_info(req, server_info, &session_info);
- if (!NT_STATUS_IS_OK(status)) {
- return auth_nt_status_squash(status);
- }
+ if (!NT_STATUS_IS_OK(status)) goto failed;
/* allocate a new session */
smb_sess = smbsrv_session_new(req->smb_conn, NULL);
if (!smb_sess) {
- return NT_STATUS_ACCESS_DENIED;
+ status = NT_STATUS_INSUFFICIENT_RESOURCES;
+ 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)) {
- return auth_nt_status_squash(status);
- }
+ if (!NT_STATUS_IS_OK(status)) goto failed;
/* To correctly process any AndX packet (like a tree connect)
* we need to fill in the session on the request here */
req->session = smb_sess;
- sess->old.out.vuid = smb_sess->vuid;
+ sess->nt1.out.vuid = smb_sess->vuid;
- sesssetup_common_strings(req,
- &sess->old.out.os,
- &sess->old.out.lanman,
- &sess->old.out.domain);
+ if (!session_info->server_info->authenticated) {
+ /* don't try signing as anonymous */
+ goto done;
+ }
- return NT_STATUS_OK;
-}
+ if (!smbsrv_setup_signing(req->smb_conn, &session_info->session_key, &sess->nt1.in.password2)) {
+ /* Already signing, or disabled */
+ goto done;
+ }
+ /* Force check of the request packet, now we know the session key */
+ smbsrv_signing_check_incoming(req);
+/* TODO: why don't we check the result here? */
+
+ /* Unfortunetly win2k3 as a client doesn't sign the request
+ * packet here, so we have to force signing to start again */
+
+ smbsrv_signing_restart(req->smb_conn, &session_info->session_key, &sess->nt1.in.password2);
+
+done:
+ status = NT_STATUS_OK;
+failed:
+ status = auth_nt_status_squash(status);
+ smbsrv_sesssetup_backend_send(req, sess, status);
+}
/*
handler for NT1 style session setup
*/
-static NTSTATUS sesssetup_nt1(struct smbsrv_request *req, union smb_sesssetup *sess)
+static void sesssetup_nt1(struct smbsrv_request *req, union smb_sesssetup *sess)
{
NTSTATUS status;
struct auth_context *auth_context;
struct auth_usersupplied_info *user_info = NULL;
- struct auth_serversupplied_info *server_info = NULL;
- struct auth_session_info *session_info;
- struct smbsrv_session *smb_sess;
struct socket_address *remote_address;
const char *remote_machine = NULL;
sess->nt1.out.vuid = 0;
sess->nt1.out.action = 0;
+ sesssetup_common_strings(req,
+ &sess->nt1.out.os,
+ &sess->nt1.out.lanman,
+ &sess->nt1.out.domain);
+
if (!req->smb_conn->negotiate.done_sesssetup) {
req->smb_conn->negotiate.max_send = sess->nt1.in.bufsize;
req->smb_conn->negotiate.client_caps = sess->nt1.in.capabilities;
@@ -154,14 +234,15 @@ static NTSTATUS sesssetup_nt1(struct smbsrv_request *req, union smb_sesssetup *s
if (sess->nt1.in.user && *sess->nt1.in.user) {
/* We can't accept a normal login, because we
* don't have a challenge */
- return NT_STATUS_LOGON_FAILURE;
+ status = NT_STATUS_LOGON_FAILURE;
+ goto failed;
}
/* TODO: should we use just "anonymous" here? */
status = auth_context_create(req, lp_auth_methods(),
- &auth_context,
+ &auth_context,
req->smb_conn->connection->event.ctx);
- NT_STATUS_NOT_OK_RETURN(status);
+ if (!NT_STATUS_IS_OK(status)) goto failed;
} else {
auth_context = req->smb_conn->negotiate.auth_context;
}
@@ -171,15 +252,15 @@ static NTSTATUS sesssetup_nt1(struct smbsrv_request *req, union smb_sesssetup *s
}
remote_address = socket_get_peer_addr(req->smb_conn->connection->socket, req);
- NT_STATUS_HAVE_NO_MEMORY(remote_address);
+ if (!remote_address) goto nomem;
if (!remote_machine) {
remote_machine = remote_address->addr;
}
user_info = talloc(req, struct auth_usersupplied_info);
- NT_STATUS_HAVE_NO_MEMORY(user_info);
-
+ if (!user_info) goto nomem;
+
user_info->mapped_state = False;
user_info->logon_parameters = 0;
user_info->flags = 0;
@@ -194,72 +275,77 @@ static NTSTATUS sesssetup_nt1(struct smbsrv_request *req, union smb_sesssetup *s
user_info->password.response.nt = sess->nt1.in.password2;
user_info->password.response.nt.data = talloc_steal(user_info, sess->nt1.in.password2.data);
- status = auth_check_password(auth_context, req, user_info, &server_info);
- if (!NT_STATUS_IS_OK(status)) {
- return auth_nt_status_squash(status);
- }
+ auth_check_password_send(auth_context, user_info,
+ sesssetup_nt1_send, req);
+ return;
- /* This references server_info into session_info */
- status = auth_generate_session_info(req, server_info, &session_info);
- if (!NT_STATUS_IS_OK(status)) {
- return auth_nt_status_squash(status);
- }
+nomem:
+ status = NT_STATUS_NO_MEMORY;
+failed:
+ status = auth_nt_status_squash(status);
+ smbsrv_sesssetup_backend_send(req, sess, status);
+}
- /* allocate a new session */
- smb_sess = smbsrv_session_new(req->smb_conn, NULL);
- if (!smb_sess) {
- return NT_STATUS_ACCESS_DENIED;
- }
+struct sesssetup_spnego_state {
+ struct smbsrv_request *req;
+ union smb_sesssetup *sess;
+ struct smbsrv_session *smb_sess;
+};
- /* 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)) {
- return auth_nt_status_squash(status);
- }
+static void sesssetup_spnego_send(struct gensec_update_request *greq, void *private_data)
+{
+ struct sesssetup_spnego_state *s = talloc_get_type(private_data,
+ struct sesssetup_spnego_state);
+ struct smbsrv_request *req = s->req;
+ union smb_sesssetup *sess = s->sess;
+ struct smbsrv_session *smb_sess = s->smb_sess;
+ struct auth_session_info *session_info = NULL;
+ NTSTATUS status;
+ NTSTATUS skey_status;
+ DATA_BLOB session_key;
- /* To correctly process any AndX packet (like a tree connect)
- * we need to fill in the session on the request here */
- req->session = smb_sess;
- sess->nt1.out.vuid = smb_sess->vuid;
+ status = gensec_update_recv(greq, req, &sess->spnego.out.secblob);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ goto done;
+ } else if (!NT_STATUS_IS_OK(status)) {
+ goto failed;
+ }
- sesssetup_common_strings(req,
- &sess->nt1.out.os,
- &sess->nt1.out.lanman,
- &sess->nt1.out.domain);
+ status = gensec_session_info(smb_sess->gensec_ctx, &session_info);
+ if (!NT_STATUS_IS_OK(status)) goto failed;
- if (!session_info->server_info->authenticated) {
- return NT_STATUS_OK;
- }
+ skey_status = gensec_session_key(smb_sess->gensec_ctx, &session_key);
+ if (NT_STATUS_IS_OK(skey_status) &&
+ session_info->server_info->authenticated &&
+ smbsrv_setup_signing(req->smb_conn, &session_key, NULL)) {
+ /* Force check of the request packet, now we know the session key */
+ smbsrv_signing_check_incoming(req);
- if (!smbsrv_setup_signing(req->smb_conn, &session_info->session_key, &sess->nt1.in.password2)) {
- /* Already signing, or disabled */
- return NT_STATUS_OK;
+ smbsrv_signing_restart(req->smb_conn, &session_key, NULL);
}
- /* Force check of the request packet, now we know the session key */
- smbsrv_signing_check_incoming(req);
-/* TODO: why don't we check the result here? */
-
- /* Unfortunetly win2k3 as a client doesn't sign the request
- * packet here, so we have to force signing to start again */
+ /* 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;
- smbsrv_signing_restart(req->smb_conn, &session_info->session_key, &sess->nt1.in.password2);
+ req->session = smb_sess;
- return NT_STATUS_OK;
+done:
+ sess->spnego.out.vuid = smb_sess->vuid;
+failed:
+ status = auth_nt_status_squash(status);
+ smbsrv_sesssetup_backend_send(req, sess, status);
}
-
/*
handler for SPNEGO style session setup
*/
-static NTSTATUS sesssetup_spnego(struct smbsrv_request *req, union smb_sesssetup *sess)
+static void sesssetup_spnego(struct smbsrv_request *req, union smb_sesssetup *sess)
{
NTSTATUS status;
- NTSTATUS skey_status;
struct smbsrv_session *smb_sess = NULL;
- struct auth_session_info *session_info = NULL;
- DATA_BLOB session_key;
+ struct sesssetup_spnego_state *s = NULL;
uint16_t vuid;
sess->spnego.out.vuid = 0;
@@ -286,7 +372,7 @@ static NTSTATUS sesssetup_spnego(struct smbsrv_request *req, union smb_sesssetup
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);
@@ -299,15 +385,20 @@ static NTSTATUS sesssetup_spnego(struct smbsrv_request *req, union smb_sesssetup
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("Failed to start GENSEC %s server code: %s\n",
gensec_get_name_by_oid(req->smb_conn->negotiate.oid), nt_errstr(status)));
- return status;
+ goto failed;
}
/* allocate a new session */
smb_sess = smbsrv_session_new(req->smb_conn, gensec_ctx);
+ if (!smb_sess) {
+ status = NT_STATUS_INSUFFICIENT_RESOURCES;
+ goto failed;
+ }
}
if (!smb_sess) {
- return NT_STATUS_ACCESS_DENIED;
+ status = NT_STATUS_ACCESS_DENIED;
+ goto failed;
}
if (!smb_sess->gensec_ctx) {
@@ -316,71 +407,46 @@ static NTSTATUS sesssetup_spnego(struct smbsrv_request *req, union smb_sesssetup
goto failed;
}
- status = gensec_update(smb_sess->gensec_ctx, req, sess->spnego.in.secblob, &sess->spnego.out.secblob);
- if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- sess->spnego.out.vuid = 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;
- }
+ s = talloc(req, struct sesssetup_spnego_state);
+ if (!s) goto nomem;
+ s->req = req;
+ s->sess = sess;
+ s->smb_sess = smb_sess;
- skey_status = gensec_session_key(smb_sess->gensec_ctx, &session_key);
- if (NT_STATUS_IS_OK(skey_status) &&
- session_info->server_info->authenticated &&
- smbsrv_setup_signing(req->smb_conn, &session_key, NULL)) {
- /* Force check of the request packet, now we know the session key */
- smbsrv_signing_check_incoming(req);
-
- smbsrv_signing_restart(req->smb_conn, &session_key, NULL);
- }
-
- /* 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;
-
- sess->spnego.out.vuid = smb_sess->vuid;
- return NT_STATUS_OK;
+ gensec_update_send(smb_sess->gensec_ctx, sess->spnego.in.secblob,
+ sesssetup_spnego_send, s);
+ return;
+nomem:
+ status = NT_STATUS_NO_MEMORY;
failed:
talloc_free(smb_sess);
- return auth_nt_status_squash(status);
+ status = auth_nt_status_squash(status);
+ smbsrv_sesssetup_backend_send(req, sess, status);
}
/*
backend for sessionsetup call - this takes all 3 variants of the call
*/
-NTSTATUS smbsrv_sesssetup_backend(struct smbsrv_request *req,
- union smb_sesssetup *sess)
+void smbsrv_sesssetup_backend(struct smbsrv_request *req,
+ union smb_sesssetup *sess)
{
- NTSTATUS status = NT_STATUS_INVALID_LEVEL;
-
switch (sess->old.level) {
case RAW_SESSSETUP_OLD:
- status = sesssetup_old(req, sess);
- break;
+ sesssetup_old(req, sess);
+ return;
+
case RAW_SESSSETUP_NT1:
- status = sesssetup_nt1(req, sess);
- break;
+ sesssetup_nt1(req, sess);
+ return;
+
case RAW_SESSSETUP_SPNEGO:
- status = sesssetup_spnego(req, sess);
- break;
+ sesssetup_spnego(req, sess);
+ return;
+
case RAW_SESSSETUP_SMB2:
- status = NT_STATUS_INTERNAL_ERROR;
break;
}
- if (NT_STATUS_IS_OK(status)) {
- req->smb_conn->negotiate.done_sesssetup = True;
- }
-
- return status;
+ smbsrv_sesssetup_backend_send(req, sess, NT_STATUS_INVALID_LEVEL);
}