diff options
Diffstat (limited to 'lib/util/debug_s3.c')
| -rw-r--r-- | lib/util/debug_s3.c | 155 |
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); +} |