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-rw-r--r--source4/smbd/sesssetup.c149
1 files changed, 149 insertions, 0 deletions
diff --git a/source4/smbd/sesssetup.c b/source4/smbd/sesssetup.c
new file mode 100644
index 0000000000..c1ea446c3c
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+++ b/source4/smbd/sesssetup.c
@@ -0,0 +1,149 @@
+/*
+ Unix SMB/CIFS implementation.
+ handle SMBsessionsetup
+ Copyright (C) Andrew Tridgell 1998-2001
+ Copyright (C) Andrew Bartlett 2001
+ Copyright (C) Jim McDonough 2002
+ Copyright (C) Luke Howard 2003
+
+ 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 2 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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+/*
+ setup the OS, Lanman and domain portions of a session setup reply
+*/
+static void sesssetup_common_strings(struct request_context *req,
+ char **os, char **lanman, char **domain)
+{
+ (*os) = talloc_asprintf(req->mem_ctx, "Unix");
+ (*lanman) = talloc_asprintf(req->mem_ctx, "Samba %s", SAMBA_VERSION);
+ (*domain) = talloc_asprintf(req->mem_ctx, "%s", lp_workgroup());
+}
+
+
+/*
+ handler for old style session setup
+*/
+static NTSTATUS sesssetup_old(struct request_context *req, union smb_sesssetup *sess)
+{
+ NTSTATUS status;
+ auth_usersupplied_info *user_info = NULL;
+ auth_serversupplied_info *server_info = NULL;
+ DATA_BLOB null_blob;
+
+ if (!req->smb->negotiate.done_sesssetup) {
+ req->smb->negotiate.max_send = sess->old.in.bufsize;
+ }
+
+ null_blob.length = 0;
+
+ status = make_user_info_for_reply_enc(&user_info,
+ sess->old.in.user, sess->old.in.domain,
+ sess->old.in.password,
+ null_blob);
+ if (!NT_STATUS_IS_OK(status)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ status = req->smb->negotiate.auth_context->check_ntlm_password(req->smb->negotiate.auth_context,
+ user_info,
+ &server_info);
+ if (!NT_STATUS_IS_OK(status)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ sess->old.out.action = 0;
+ sess->old.out.vuid = register_vuid(req->smb, server_info, sess->old.in.user);
+ sesssetup_common_strings(req,
+ &sess->old.out.os,
+ &sess->old.out.lanman,
+ &sess->old.out.domain);
+
+ return NT_STATUS_OK;
+}
+
+
+/*
+ handler for NT1 style session setup
+*/
+static NTSTATUS sesssetup_nt1(struct request_context *req, union smb_sesssetup *sess)
+{
+ NTSTATUS status;
+ auth_usersupplied_info *user_info = NULL;
+ auth_serversupplied_info *server_info = NULL;
+
+ if (!req->smb->negotiate.done_sesssetup) {
+ req->smb->negotiate.max_send = sess->nt1.in.bufsize;
+ req->smb->negotiate.client_caps = sess->nt1.in.capabilities;
+ }
+
+ status = make_user_info_for_reply_enc(&user_info,
+ sess->nt1.in.user, sess->nt1.in.domain,
+ sess->nt1.in.password1,
+ sess->nt1.in.password2);
+ if (!NT_STATUS_IS_OK(status)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ status = req->smb->negotiate.auth_context->check_ntlm_password(req->smb->negotiate.auth_context,
+ user_info,
+ &server_info);
+ if (!NT_STATUS_IS_OK(status)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ sess->nt1.out.action = 0;
+ sess->nt1.out.vuid = register_vuid(req->smb, server_info, sess->old.in.user);
+ sesssetup_common_strings(req,
+ &sess->nt1.out.os,
+ &sess->nt1.out.lanman,
+ &sess->nt1.out.domain);
+
+ return NT_STATUS_OK;
+}
+
+
+/*
+ handler for SPNEGO style session setup
+*/
+static NTSTATUS sesssetup_spnego(struct request_context *req, union smb_sesssetup *sess)
+{
+ /* defer this one for now */
+ return NT_STATUS_INVALID_LEVEL;
+}
+
+/*
+ backend for sessionsetup call - this takes all 3 varients of the call
+*/
+NTSTATUS sesssetup_backend(struct request_context *req,
+ union smb_sesssetup *sess)
+{
+ switch (sess->generic.level) {
+ case RAW_SESSSETUP_OLD:
+ return sesssetup_old(req, sess);
+ case RAW_SESSSETUP_NT1:
+ return sesssetup_nt1(req, sess);
+ case RAW_SESSSETUP_SPNEGO:
+ return sesssetup_spnego(req, sess);
+ }
+
+ req->smb->negotiate.done_sesssetup = True;
+
+ return NT_STATUS_INVALID_LEVEL;
+}
+
+