152 lines
4.4 KiB
C
152 lines
4.4 KiB
C
/*
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* Copyright (C) 2013 Glyptodon LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "config.h"
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#include <guacamole/client.h>
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#include <guacamole/error.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <syslog.h>
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#include <unistd.h>
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/* Log prefix, defaulting to "guacd" */
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char log_prefix[64] = "guacd";
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void vguacd_log(guac_client_log_level level, const char* format,
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va_list args) {
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const char* priority_name;
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int priority;
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/* Copy log message into buffer */
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char message[2048];
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vsnprintf(message, sizeof(message), format, args);
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/* Convert log level to syslog priority */
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switch (level) {
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/* Error log level */
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case GUAC_LOG_ERROR:
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priority = LOG_ERR;
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priority_name = "ERROR";
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break;
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/* Warning log level */
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case GUAC_LOG_WARNING:
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priority = LOG_WARNING;
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priority_name = "WARNING";
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break;
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/* Informational log level */
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case GUAC_LOG_INFO:
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priority = LOG_INFO;
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priority_name = "INFO";
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break;
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/* Debug log level */
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case GUAC_LOG_DEBUG:
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priority = LOG_DEBUG;
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priority_name = "DEBUG";
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break;
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/* Any unknown/undefined log level */
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default:
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priority = LOG_INFO;
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priority_name = "UNKNOWN";
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break;
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}
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/* Log to syslog */
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syslog(priority, "%s", message);
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/* Log to STDERR, if high enough log level */
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if (priority <= LOG_INFO)
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fprintf(stderr, "%s[%i]: %s: %s\n", log_prefix, getpid(),
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priority_name, message);
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}
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void guacd_log(guac_client_log_level level, const char* format, ...) {
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va_list args;
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va_start(args, format);
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vguacd_log(level, format, args);
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va_end(args);
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}
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void guacd_client_log(guac_client* client, guac_client_log_level level,
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const char* format, va_list args) {
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vguacd_log(level, format, args);
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}
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void guacd_log_guac_error(const char* message) {
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if (guac_error != GUAC_STATUS_SUCCESS) {
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/* If error message provided, include in log */
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if (guac_error_message != NULL)
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guacd_log(GUAC_LOG_ERROR, "%s: %s: %s",
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message,
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guac_status_string(guac_error),
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guac_error_message);
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/* Otherwise just log with standard status string */
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else
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guacd_log(GUAC_LOG_ERROR, "%s: %s",
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message,
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guac_status_string(guac_error));
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}
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/* Just log message if no status code */
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else
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guacd_log(GUAC_LOG_ERROR, "%s", message);
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}
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void guacd_client_log_guac_error(guac_client* client, const char* message) {
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if (guac_error != GUAC_STATUS_SUCCESS) {
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/* If error message provided, include in log */
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if (guac_error_message != NULL)
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guac_client_log(client, GUAC_LOG_ERROR, "%s: %s: %s",
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message,
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guac_status_string(guac_error),
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guac_error_message);
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/* Otherwise just log with standard status string */
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else
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guac_client_log(client, GUAC_LOG_ERROR, "%s: %s",
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message,
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guac_status_string(guac_error));
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}
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/* Just log message if no status code */
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else
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guac_client_log(client, GUAC_LOG_ERROR, "%s", message);
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}
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