Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 155 insertions, 0 deletions

diff --git a/lib/util/debug_s3.c b/lib/util/debug_s3.c
new file mode 100644
index 0000000..1fd8637
--- /dev/null
+++ b/lib/util/debug_s3.c
@@ -0,0 +1,155 @@
+/*
+   Unix SMB/CIFS implementation.
+   Samba utility functions
+   Copyright (C) Andrew Bartlett 2011
+   Copyright (C) Andrew Tridgell 1992-2002
+
+   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/server_id.h"
+#include "librpc/gen_ndr/messaging.h"
+#include "messages.h"
+#include "lib/util/memory.h"
+
+/* This is the Samba3-specific implementation of reopen_logs(), which
+ * calls out to the s3 loadparm code, and means that we don't depend
+ * on loadparm directly. */
+
+bool reopen_logs(void)
+{
+	if (lp_loaded()) {
+		struct debug_settings settings = {
+			.max_log_size = lp_max_log_size(),
+			.timestamp_logs = lp_timestamp_logs(),
+			.debug_prefix_timestamp = lp_debug_prefix_timestamp(),
+			.debug_hires_timestamp = lp_debug_hires_timestamp(),
+			.debug_syslog_format = lp_debug_syslog_format(),
+			.debug_pid = lp_debug_pid(),
+			.debug_uid = lp_debug_uid(),
+			.debug_class = lp_debug_class(),
+		};
+		const struct loadparm_substitution *lp_sub =
+			loadparm_s3_global_substitution();
+
+		debug_set_logfile(lp_logfile(talloc_tos(), lp_sub));
+		debug_parse_levels(lp_log_level(talloc_tos(), lp_sub));
+		debug_set_settings(&settings,
+				   lp_logging(talloc_tos(), lp_sub),
+				   lp_syslog(),
+				   lp_syslog_only());
+	} else {
+		/*
+		 * Parameters are not yet loaded - configure debugging with
+		 * reasonable defaults to enable logging for early
+		 * startup failures.
+		 */
+		struct debug_settings settings = {
+			.max_log_size = 5000,
+			.timestamp_logs = true,
+			.debug_prefix_timestamp = false,
+			.debug_hires_timestamp = true,
+			.debug_syslog_format = false,
+			.debug_pid = false,
+			.debug_uid = false,
+			.debug_class = false,
+		};
+		debug_set_settings(&settings,
+				   "file",
+				   1,
+				   false);
+	}
+	return reopen_logs_internal();
+}
+
+/****************************************************************************
+ Receive a "set debug level" message.
+****************************************************************************/
+
+void debug_message(struct messaging_context *msg_ctx,
+			  void *private_data,
+			  uint32_t msg_type,
+			  struct server_id src,
+			  DATA_BLOB *data)
+{
+	const char *params_str = (const char *)data->data;
+
+	/* Check, it's a proper string! */
+	if (params_str[(data->length)-1] != '\0') {
+		DEBUG(1, ("Invalid debug message from pid %u to pid %u\n",
+			  (unsigned int)procid_to_pid(&src),
+			  (unsigned int)getpid()));
+		return;
+	}
+
+	DEBUG(3, ("INFO: Remote set of debug to `%s'  (pid %u from pid %u)\n",
+		  params_str, (unsigned int)getpid(),
+		  (unsigned int)procid_to_pid(&src)));
+
+	debug_parse_levels(params_str);
+}
+
+/****************************************************************************
+ Return current debug level.
+****************************************************************************/
+
+static void debuglevel_message(struct messaging_context *msg_ctx,
+			       void *private_data, 
+			       uint32_t msg_type, 
+			       struct server_id src,
+			       DATA_BLOB *data)
+{
+	char *message = debug_list_class_names_and_levels();
+	struct server_id_buf tmp;
+
+	if (!message) {
+		DEBUG(0,("debuglevel_message - debug_list_class_names_and_levels returned NULL\n"));
+		return;
+	}
+
+	DEBUG(1, ("INFO: Received REQ_DEBUGLEVEL message from PID %s\n",
+		  server_id_str_buf(src, &tmp)));
+	messaging_send_buf(msg_ctx, src, MSG_DEBUGLEVEL,
+			   (uint8_t *)message, strlen(message) + 1);
+
+	TALLOC_FREE(message);
+}
+
+static void debug_ringbuf_log(struct messaging_context *msg_ctx,
+			      void *private_data,
+			      uint32_t msg_type,
+			      struct server_id src,
+			      DATA_BLOB *data)
+{
+	char *log = debug_get_ringbuf();
+	size_t logsize = debug_get_ringbuf_size();
+
+	if (log == NULL) {
+		log = discard_const_p(char, "*disabled*\n");
+		logsize = strlen(log) + 1;
+	}
+
+	messaging_send_buf(msg_ctx, src, MSG_RINGBUF_LOG, (uint8_t *)log,
+			   logsize);
+}
+
+void debug_register_msgs(struct messaging_context *msg_ctx)
+{
+	messaging_register(msg_ctx, NULL, MSG_DEBUG, debug_message);
+	messaging_register(msg_ctx, NULL, MSG_REQ_DEBUGLEVEL,
+			   debuglevel_message);
+	messaging_register(msg_ctx, NULL, MSG_REQ_RINGBUF_LOG,
+			   debug_ringbuf_log);
+}