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-rw-r--r--Source/charon/utils/logger.c360
1 files changed, 0 insertions, 360 deletions
diff --git a/Source/charon/utils/logger.c b/Source/charon/utils/logger.c
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--- a/Source/charon/utils/logger.c
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-/**
- * @file logger.c
- *
- * @brief Implementation of logger_t.
- *
- */
-
-/*
- * Copyright (C) 2005 Jan Hutter, Martin Willi
- * Hochschule fuer Technik Rapperswil
- *
- * 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. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * 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.
- */
-
-#include <syslog.h>
-#include <stdarg.h>
-#include <string.h>
-#include <stdio.h>
-#include <time.h>
-#include <pthread.h>
-
-#include "logger.h"
-
-#include <daemon.h>
-#include <utils/allocator.h>
-
-/**
- * Maximum length of a log entry (only used for logger_s.log).
- */
-#define MAX_LOG 8192
-
-
-typedef struct private_logger_t private_logger_t;
-
-/**
- * @brief Private data of a logger_t object.
- */
-struct private_logger_t {
- /**
- * Public data.
- */
- logger_t public;
- /**
- * Detail-level of logger.
- */
- log_level_t level;
- /**
- * Name of logger.
- */
- char *name;
- /**
- * File to write log output to.
- * NULL for syslog.
- */
- FILE *output;
-
- /**
- * Should a thread_id be included in the log?
- */
- bool log_thread_id;
-
- /**
- * Applies a prefix to string and stores it in buffer.
- *
- * @warning: buffer must be at least have MAX_LOG size.
- */
- void (*prepend_prefix) (private_logger_t *this, log_level_t loglevel, char *string, char *buffer);
-};
-
-/**
- * Implementation of private_logger_t.prepend_prefix.
- */
-static void prepend_prefix(private_logger_t *this, log_level_t loglevel, char *string, char *buffer)
-{
- char log_type, log_details;
- if (loglevel & CONTROL)
- {
- log_type = '~';
- }
- else if (loglevel & ERROR)
- {
- log_type = '!';
- }
- else if (loglevel & RAW)
- {
- log_type = '#';
- }
- else if (loglevel & PRIVATE)
- {
- log_type = '?';
- }
- else if (loglevel & AUDIT)
- {
- log_type = '>';
- }
- else
- {
- log_type = '-';
- }
-
- if (loglevel & (LEVEL3 - LEVEL2))
- {
- log_details = '3';
- }
- else if (loglevel & (LEVEL2 - LEVEL1))
- {
- log_details = '2';
- }
- else if (loglevel & LEVEL1)
- {
- log_details = '1';
- }
- else
- {
- log_details = '0';
- }
-
- if (this->log_thread_id)
- {
- snprintf(buffer, MAX_LOG, "[%c%c] [%s] @%u %s", log_type, log_details, this->name, (int)pthread_self(), string);
- }
- else
- {
- snprintf(buffer, MAX_LOG, "[%c%c] [%s] %s", log_type, log_details, this->name, string);
- }
-}
-
-/**
- * Implementation of logger_t.log.
- *
- * Yes, logg is wrong written :-).
- */
-static void logg(private_logger_t *this, log_level_t loglevel, char *format, ...)
-{
- if ((this->level & loglevel) == loglevel)
- {
- char buffer[MAX_LOG];
- va_list args;
-
-
- if (this->output == NULL)
- {
- /* syslog */
- this->prepend_prefix(this, loglevel, format, buffer);
- va_start(args, format);
- vsyslog(LOG_INFO, buffer, args);
- va_end(args);
- }
- else
- {
- /* File output */
- this->prepend_prefix(this, loglevel, format, buffer);
- va_start(args, format);
- vfprintf(this->output, buffer, args);
- va_end(args);
- fprintf(this->output, "\n");
- }
-
- }
-}
-
-/**
- * Implementation of logger_t.log_bytes.
- */
-static void log_bytes(private_logger_t *this, log_level_t loglevel, char *label, char *bytes, size_t len)
-{
- static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-
-
- if ((this->level & loglevel) == loglevel)
- {
- char buffer[MAX_LOG];
- char ascii_buffer[17];
- char *format;
- char *buffer_pos;
- char *bytes_pos, *bytes_roof;
- int i;
- int line_start = 0;
-
- /* since me can't do multi-line output to syslog,
- * we must do multiple syslogs. To avoid
- * problems in output order, lock this by a mutex.
- */
- pthread_mutex_lock(&mutex);
-
-
- format = "%s (%d bytes @%p)";
- this->prepend_prefix(this, loglevel, format, buffer);
-
- if (this->output == NULL)
- {
- syslog(LOG_INFO, buffer, label, len);
- }
- else
- {
- fprintf(this->output, buffer, label, len, bytes);
- fprintf(this->output, "\n");
- }
-
- bytes_pos = bytes;
- bytes_roof = bytes + len;
- buffer_pos = buffer;
- memset(ascii_buffer, 0, 17);
-
- for (i = 1; bytes_pos < bytes_roof; i++)
- {
- static char hexdig[] = "0123456789ABCDEF";
- *buffer_pos++ = hexdig[(*bytes_pos >> 4) & 0xF];
- *buffer_pos++ = hexdig[ *bytes_pos & 0xF];
- if ((i % 16) == 0)
- {
- *buffer_pos++ = '\0';
- buffer_pos = buffer;
- if (this->output == NULL)
- {
- syslog(LOG_INFO, "[=>] [%5d ] %s %s", line_start, buffer, ascii_buffer);
- }
- else
- {
- fprintf(this->output, "[=>] [%5d ] %s %s\n", line_start, buffer, ascii_buffer);
- }
- memset(ascii_buffer, 0, 16);
- line_start += 16;
- }
- else if ((i % 4) == 0)
- {
- *buffer_pos++ = ' ';
- // *buffer_pos++ = ' ';
- }
- else
- {
- *buffer_pos++ = ' ';
- }
-
- if (*bytes_pos > 31 && *bytes_pos < 127)
- {
- ascii_buffer[(i % 16)] = *bytes_pos;
- }
- else
- {
- ascii_buffer[(i % 16)] = '*';
- }
-
- bytes_pos++;
- }
-
- *buffer_pos++ = '\0';
- if (buffer_pos > buffer + 1)
- {
- buffer_pos = buffer;
- if (this->output == NULL)
- {
- syslog(LOG_INFO, "[=>] [%5d ] %s %16s", line_start, buffer, ascii_buffer);
- }
- else
- {
- fprintf(this->output, "[=>] [%5d ] %s %16s\n", line_start, buffer, ascii_buffer);
- }
- }
- pthread_mutex_unlock(&mutex);
- }
-}
-
-/**
- * Implementation of logger_t.log_chunk.
- */
-static void log_chunk(logger_t *this, log_level_t loglevel, char *label, chunk_t chunk)
-{
- this->log_bytes(this, loglevel, label, chunk.ptr, chunk.len);
-}
-
-/**
- * Implementation of logger_t.enable_level.
- */
-static void enable_level(private_logger_t *this, log_level_t log_level)
-{
- this->level |= log_level;
-}
-
-/**
- * Implementation of logger_t.disable_level.
- */
-static void disable_level(private_logger_t *this, log_level_t log_level)
-{
- this->level &= ~log_level;
-}
-
-/**
- * Implementation of logger_t.set_output.
- */
-static void set_output(private_logger_t *this, FILE * output)
-{
- this->output = output;
-}
-
-/**
- * Implementation of logger_t.get_level.
- */
-static log_level_t get_level(private_logger_t *this)
-{
- return this->level;
-}
-
-/**
- * Implementation of logger_t.destroy.
- */
-static void destroy(private_logger_t *this)
-{
- allocator_free(this->name);
- allocator_free(this);
-}
-
-/*
- * Described in header.
- */
-logger_t *logger_create(char *logger_name, log_level_t log_level, bool log_thread_id, FILE * output)
-{
- private_logger_t *this = allocator_alloc_thing(private_logger_t);
-
- /* public functions */
- this->public.log = (void(*)(logger_t*,log_level_t,char*,...))logg;
- this->public.log_bytes = (void(*)(logger_t*, log_level_t, char*,char*,size_t))log_bytes;
- this->public.log_chunk = log_chunk;
- this->public.enable_level = (void(*)(logger_t*,log_level_t))enable_level;
- this->public.disable_level = (void(*)(logger_t*,log_level_t))disable_level;
- this->public.get_level = (log_level_t(*)(logger_t*))get_level;
- this->public.set_output = (void(*)(logger_t*,FILE*))set_output;
- this->public.destroy = (void(*)(logger_t*))destroy;
-
- /* private functions */
- this->prepend_prefix = prepend_prefix;
-
- if (logger_name == NULL)
- {
- logger_name = "";
- }
-
- /* private variables */
- this->level = log_level;
- this->log_thread_id = log_thread_id;
- this->name = allocator_alloc(strlen(logger_name) + 1);
-
- strcpy(this->name,logger_name);
- this->output = output;
-
- if (output == NULL)
- {
- openlog(DAEMON_NAME, 0, LOG_DAEMON);
- }
-
- return (logger_t*)this;
-}