mirror of
https://github.com/google/santa.git
synced 2026-01-22 20:48:05 -05:00
71 lines
2.4 KiB
Objective-C
71 lines
2.4 KiB
Objective-C
/// Copyright 2015 Google Inc. All rights reserved.
|
|
///
|
|
/// Licensed under the Apache License, Version 2.0 (the "License");
|
|
/// you may not use this file except in compliance with the License.
|
|
/// You may obtain a copy of the License at
|
|
///
|
|
/// http://www.apache.org/licenses/LICENSE-2.0
|
|
///
|
|
/// Unless required by applicable law or agreed to in writing, software
|
|
/// distributed under the License is distributed on an "AS IS" BASIS,
|
|
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
/// See the License for the specific language governing permissions and
|
|
/// limitations under the License.
|
|
|
|
#import "SNTLogging.h"
|
|
|
|
#import <asl.h>
|
|
|
|
#ifdef DEBUG
|
|
static LogLevel logLevel = LOG_LEVEL_DEBUG;
|
|
#else
|
|
static LogLevel logLevel = LOG_LEVEL_INFO; // default to info
|
|
#endif
|
|
|
|
void logMessage(LogLevel level, FILE *destination, NSString *format, ...) {
|
|
static BOOL useSyslog = NO;
|
|
static const char *binaryName;
|
|
static dispatch_once_t pred;
|
|
|
|
dispatch_once(&pred, ^{
|
|
binaryName = [[[NSProcessInfo processInfo] processName] UTF8String];
|
|
|
|
// If debug logging is enabled, the process must be restarted.
|
|
if ([[[NSProcessInfo processInfo] arguments] containsObject:@"--debug"]) {
|
|
logLevel = LOG_LEVEL_DEBUG;
|
|
}
|
|
|
|
// If requested, redirect output to syslog.
|
|
if ([[[NSProcessInfo processInfo] arguments] containsObject:@"--syslog"] ||
|
|
strcmp(binaryName, "santad") == 0) {
|
|
useSyslog = YES;
|
|
}
|
|
});
|
|
|
|
if (logLevel < level) return;
|
|
|
|
va_list args;
|
|
va_start(args, format);
|
|
NSString *s = [[NSString alloc] initWithFormat:format arguments:args];
|
|
va_end(args);
|
|
|
|
if (useSyslog) {
|
|
aslclient client = asl_open(NULL, "com.google.santa", 0);
|
|
asl_set_filter(client, ASL_FILTER_MASK_UPTO(ASL_LEVEL_DEBUG));
|
|
|
|
char *levelName;
|
|
int syslogLevel = ASL_LEVEL_DEBUG;
|
|
switch (level) {
|
|
case LOG_LEVEL_ERROR: levelName = "E"; syslogLevel = ASL_LEVEL_ERR; break;
|
|
case LOG_LEVEL_WARN: levelName = "W"; syslogLevel = ASL_LEVEL_WARNING; break;
|
|
case LOG_LEVEL_INFO: levelName = "I"; syslogLevel = ASL_LEVEL_INFO; break;
|
|
case LOG_LEVEL_DEBUG: levelName = "D"; syslogLevel = ASL_LEVEL_DEBUG; break;
|
|
}
|
|
|
|
asl_log(client, NULL, syslogLevel, "%s %s: %s", levelName, binaryName, [s UTF8String]);
|
|
asl_close(client);
|
|
} else {
|
|
fprintf(destination, "%s\n", [s UTF8String]);
|
|
}
|
|
}
|