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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
commit4f5791ebd03eaec1c7da0865a383175b05102712 (patch)
tree8ce7b00f7a76baa386372422adebbe64510812d4 /source3/lib/smbd_shim.c
parentInitial commit. (diff)
downloadsamba-4f5791ebd03eaec1c7da0865a383175b05102712.tar.xz
samba-4f5791ebd03eaec1c7da0865a383175b05102712.zip
Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'source3/lib/smbd_shim.c')
-rw-r--r--source3/lib/smbd_shim.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/source3/lib/smbd_shim.c b/source3/lib/smbd_shim.c
new file mode 100644
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+++ b/source3/lib/smbd_shim.c
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+/*
+ Unix SMB/CIFS implementation.
+ Runtime plugin adapter for various "smbd"-functions.
+
+ Copyright (C) Gerald (Jerry) Carter 2004.
+ Copyright (C) Andrew Bartlett 2011.
+
+ 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/>.
+*/
+
+/* Shim functions required due to the horrible dependency mess
+ in Samba. */
+
+#include "includes.h"
+#include "smbd_shim.h"
+
+static struct smbd_shim shim;
+
+void set_smbd_shim(const struct smbd_shim *shim_functions)
+{
+ shim = *shim_functions;
+}
+
+void send_stat_cache_delete_message(struct messaging_context *msg_ctx,
+ const char *name)
+{
+ if (shim.send_stat_cache_delete_message) {
+ shim.send_stat_cache_delete_message(msg_ctx, name);
+ }
+}
+
+bool change_to_root_user(void)
+{
+ if (shim.change_to_root_user) {
+ return shim.change_to_root_user();
+ }
+ return false;
+}
+
+bool become_authenticated_pipe_user(struct auth_session_info *session_info)
+{
+ if (shim.become_authenticated_pipe_user) {
+ return shim.become_authenticated_pipe_user(session_info);
+ }
+
+ return false;
+}
+
+bool unbecome_authenticated_pipe_user(void)
+{
+ if (shim.unbecome_authenticated_pipe_user) {
+ return shim.unbecome_authenticated_pipe_user();
+ }
+
+ return false;
+}
+
+/**
+ * The following two functions need to be called from inside the low-level BRL
+ * code for oplocks correctness in smbd. Since other utility binaries also
+ * link in some of the brl code directly, these dummy functions are necessary
+ * to avoid needing to link in the oplocks code and its dependencies to all of
+ * the utility binaries.
+ */
+void contend_level2_oplocks_begin(files_struct *fsp,
+ enum level2_contention_type type)
+{
+ if (shim.contend_level2_oplocks_begin) {
+ shim.contend_level2_oplocks_begin(fsp, type);
+ }
+ return;
+}
+
+void contend_level2_oplocks_end(files_struct *fsp,
+ enum level2_contention_type type)
+{
+ if (shim.contend_level2_oplocks_end) {
+ shim.contend_level2_oplocks_end(fsp, type);
+ }
+ return;
+}
+
+void become_root(void)
+{
+ if (shim.become_root) {
+ shim.become_root();
+ }
+ return;
+}
+
+void unbecome_root(void)
+{
+ if (shim.unbecome_root) {
+ shim.unbecome_root();
+ }
+ return;
+}
+
+void exit_server(const char *reason)
+{
+ if (shim.exit_server) {
+ shim.exit_server(reason);
+ }
+ exit(1);
+}
+
+void exit_server_cleanly(const char *const reason)
+{
+ if (shim.exit_server_cleanly) {
+ shim.exit_server_cleanly(reason);
+ }
+ exit(0);
+}