X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Flogger.c;h=390023bb8b7e62923b2e7730cacb4d557663da0f;hb=373b0c12d9d0e8a3b449fd18be704e28dd6403e1;hp=9c02a3d8508e12c6ae1c13557db6d27e1e94f3c7;hpb=a459e57de5fa4d32ee1162e49770fd8730e3707d;p=tinc

diff --git a/src/logger.c b/src/logger.c
index 9c02a3d8..390023bb 100644
--- a/src/logger.c
+++ b/src/logger.c
@@ -1,6 +1,6 @@
 /*
     logger.c -- logging code
-    Copyright (C) 2004-2017 Guus Sliepen <guus@tinc-vpn.org>
+    Copyright (C) 2004-2022 Guus Sliepen <guus@tinc-vpn.org>
                   2004-2005 Ivo Timmermans
 
     This program is free software; you can redistribute it and/or modify
@@ -28,23 +28,24 @@
 #include "control_common.h"
 #include "process.h"
 #include "sptps.h"
+#include "compression.h"
 
-int debug_level = DEBUG_NOTHING;
+debug_t debug_level = DEBUG_NOTHING;
 static logmode_t logmode = LOGMODE_STDERR;
 static pid_t logpid;
 static FILE *logfile = NULL;
-#ifdef HAVE_MINGW
+#ifdef HAVE_WINDOWS
 static HANDLE loghandle = NULL;
 #endif
 static const char *logident = NULL;
 bool logcontrol = false; // controlled by REQ_LOG <level>
 int umbilical = 0;
 
-static bool should_log(int level) {
+static bool should_log(debug_t level) {
 	return (level <= debug_level && logmode != LOGMODE_NULL) || logcontrol;
 }
 
-static void real_logger(int level, int priority, const char *message) {
+static void real_logger(debug_t level, int priority, const char *message) {
 	char timestr[32] = "";
 	static bool suppress = false;
 
@@ -71,7 +72,7 @@ static void real_logger(int level, int priority, const char *message) {
 			break;
 
 		case LOGMODE_SYSLOG:
-#ifdef HAVE_MINGW
+#ifdef HAVE_WINDOWS
 			{
 				const char *messages[] = {message};
 				ReportEvent(loghandle, priority, 0, 0, NULL, 1, 0, messages, NULL);
@@ -85,12 +86,16 @@ static void real_logger(int level, int priority, const char *message) {
 			break;
 
 		case LOGMODE_NULL:
+		default:
 			break;
 		}
 
 		if(umbilical && do_detach) {
-			write(umbilical, message, strlen(message));
-			write(umbilical, "\n", 1);
+			size_t len = strlen(message);
+
+			if(write(umbilical, message, len) != (ssize_t)len || write(umbilical, "\n", 1) != 1) {
+				// Other end broken, nothing we can do about it.
+			}
 		}
 	}
 
@@ -98,20 +103,20 @@ static void real_logger(int level, int priority, const char *message) {
 		suppress = true;
 		logcontrol = false;
 
-		for list_each(connection_t, c, connection_list) {
+		for list_each(connection_t, c, &connection_list) {
 			if(!c->status.log) {
 				continue;
 			}
 
 			logcontrol = true;
 
-			if(level > (c->outcompression >= 0 ? c->outcompression : debug_level)) {
+			if(level > (c->outcompression >= COMPRESS_NONE ? c->outcompression : debug_level)) {
 				continue;
 			}
 
-			int len = strlen(message);
+			size_t len = strlen(message);
 
-			if(send_request(c, "%d %d %d", CONTROL, REQ_LOG, len)) {
+			if(send_request(c, "%d %d %lu", CONTROL, REQ_LOG, (unsigned long)len)) {
 				send_meta(c, message, len);
 			}
 		}
@@ -120,7 +125,7 @@ static void real_logger(int level, int priority, const char *message) {
 	}
 }
 
-void logger(int level, int priority, const char *format, ...) {
+void logger(debug_t level, int priority, const char *format, ...) {
 	va_list ap;
 	char message[1024] = "";
 
@@ -190,7 +195,7 @@ void openlogger(const char *ident, logmode_t mode) {
 		break;
 
 	case LOGMODE_SYSLOG:
-#ifdef HAVE_MINGW
+#ifdef HAVE_WINDOWS
 		loghandle = RegisterEventSource(NULL, logident);
 
 		if(!loghandle) {
@@ -207,6 +212,7 @@ void openlogger(const char *ident, logmode_t mode) {
 #endif
 
 	case LOGMODE_NULL:
+	default:
 		break;
 	}
 
@@ -217,7 +223,7 @@ void openlogger(const char *ident, logmode_t mode) {
 	}
 }
 
-void reopenlogger() {
+void reopenlogger(void) {
 	if(logmode != LOGMODE_FILE) {
 		return;
 	}
@@ -242,7 +248,7 @@ void closelogger(void) {
 		break;
 
 	case LOGMODE_SYSLOG:
-#ifdef HAVE_MINGW
+#ifdef HAVE_WINDOWS
 		DeregisterEventSource(loghandle);
 		break;
 #else
@@ -254,6 +260,7 @@ void closelogger(void) {
 
 	case LOGMODE_NULL:
 	case LOGMODE_STDERR:
+	default:
 		break;
 	}
 }