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494eb0c22a
Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Ralph Boehme <slow@samba.org> Autobuild-User(master): Ralph Böhme <slow@samba.org> Autobuild-Date(master): Mon Nov 1 07:29:47 UTC 2021 on sn-devel-184
156 lines
4.6 KiB
C
156 lines
4.6 KiB
C
/*
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Unix SMB/CIFS implementation.
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Samba utility functions
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Copyright (C) Andrew Bartlett 2011
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Copyright (C) Andrew Tridgell 1992-2002
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "lib/util/server_id.h"
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#include "librpc/gen_ndr/messaging.h"
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#include "messages.h"
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#include "lib/util/memory.h"
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/* This is the Samba3-specific implementation of reopen_logs(), which
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* calls out to the s3 loadparm code, and means that we don't depend
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* on loadparm directly. */
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bool reopen_logs(void)
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{
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if (lp_loaded()) {
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struct debug_settings settings = {
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.max_log_size = lp_max_log_size(),
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.timestamp_logs = lp_timestamp_logs(),
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.debug_prefix_timestamp = lp_debug_prefix_timestamp(),
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.debug_hires_timestamp = lp_debug_hires_timestamp(),
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.debug_syslog_format = lp_debug_syslog_format(),
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.debug_pid = lp_debug_pid(),
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.debug_uid = lp_debug_uid(),
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.debug_class = lp_debug_class(),
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};
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const struct loadparm_substitution *lp_sub =
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loadparm_s3_global_substitution();
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debug_set_logfile(lp_logfile(talloc_tos(), lp_sub));
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debug_parse_levels(lp_log_level(talloc_tos(), lp_sub));
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debug_set_settings(&settings,
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lp_logging(talloc_tos(), lp_sub),
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lp_syslog(),
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lp_syslog_only());
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} else {
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/*
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* Parameters are not yet loaded - configure debugging with
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* reasonable defaults to enable logging for early
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* startup failures.
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*/
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struct debug_settings settings = {
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.max_log_size = 5000,
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.timestamp_logs = true,
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.debug_prefix_timestamp = false,
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.debug_hires_timestamp = true,
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.debug_syslog_format = false,
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.debug_pid = false,
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.debug_uid = false,
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.debug_class = false,
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};
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debug_set_settings(&settings,
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"file",
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1,
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false);
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}
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return reopen_logs_internal();
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}
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/****************************************************************************
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Receive a "set debug level" message.
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****************************************************************************/
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void debug_message(struct messaging_context *msg_ctx,
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void *private_data,
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uint32_t msg_type,
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struct server_id src,
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DATA_BLOB *data)
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{
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const char *params_str = (const char *)data->data;
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/* Check, it's a proper string! */
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if (params_str[(data->length)-1] != '\0') {
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DEBUG(1, ("Invalid debug message from pid %u to pid %u\n",
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(unsigned int)procid_to_pid(&src),
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(unsigned int)getpid()));
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return;
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}
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DEBUG(3, ("INFO: Remote set of debug to `%s' (pid %u from pid %u)\n",
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params_str, (unsigned int)getpid(),
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(unsigned int)procid_to_pid(&src)));
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debug_parse_levels(params_str);
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}
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/****************************************************************************
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Return current debug level.
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****************************************************************************/
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static void debuglevel_message(struct messaging_context *msg_ctx,
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void *private_data,
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uint32_t msg_type,
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struct server_id src,
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DATA_BLOB *data)
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{
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char *message = debug_list_class_names_and_levels();
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struct server_id_buf tmp;
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if (!message) {
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DEBUG(0,("debuglevel_message - debug_list_class_names_and_levels returned NULL\n"));
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return;
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}
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DEBUG(1, ("INFO: Received REQ_DEBUGLEVEL message from PID %s\n",
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server_id_str_buf(src, &tmp)));
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messaging_send_buf(msg_ctx, src, MSG_DEBUGLEVEL,
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(uint8_t *)message, strlen(message) + 1);
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TALLOC_FREE(message);
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}
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static void debug_ringbuf_log(struct messaging_context *msg_ctx,
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void *private_data,
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uint32_t msg_type,
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struct server_id src,
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DATA_BLOB *data)
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{
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char *log = debug_get_ringbuf();
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size_t logsize = debug_get_ringbuf_size();
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if (log == NULL) {
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log = discard_const_p(char, "*disabled*\n");
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logsize = strlen(log) + 1;
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}
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messaging_send_buf(msg_ctx, src, MSG_RINGBUF_LOG, (uint8_t *)log,
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logsize);
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}
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void debug_register_msgs(struct messaging_context *msg_ctx)
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{
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messaging_register(msg_ctx, NULL, MSG_DEBUG, debug_message);
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messaging_register(msg_ctx, NULL, MSG_REQ_DEBUGLEVEL,
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debuglevel_message);
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messaging_register(msg_ctx, NULL, MSG_REQ_RINGBUF_LOG,
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debug_ringbuf_log);
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}
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