From f1728dc97c981d76fd913102a822c71c35c58946 Mon Sep 17 00:00:00 2001
From: Hannes von Haugwitz <hannes@vonhaugwitz.com>
Date: Sat, 9 Jul 2022 23:06:36 +0200
Subject: [PATCH] Use signal-safe write function in signal handler

* closes: #100
---
 src/aide.c                                    | 20 +++---
 1 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/src/aide.c b/src/aide.c
index 30e2942..e935794 100644
--- a/src/aide.c
+++ b/src/aide.c
@@ -103,33 +103,37 @@ static void init_sighandler()
 
 static void sig_handler(int signum)
 {
+  char *str;
   switch(signum){
   case SIGBUS  : {
     if(conf->catch_mmap==1){
-      log_msg(LOG_LEVEL_NOTICE, "Caught SIGBUS while mmapping. File was truncated while aide was running?");
+      str = "Caught SIGBUS while mmapping. File was truncated while aide was running?\n";
+      write(STDERR_FILENO ,str, strlen(str));
       conf->catch_mmap=0;
     } else {
-      log_msg(LOG_LEVEL_ERROR, "Caught SIGBUS. Exiting");
+      str = "Caught SIGBUS. Exiting\n";
+      write(STDERR_FILENO ,str, strlen(str));
       exit(EXIT_FAILURE);
     }
     break;
   }
   case SIGHUP : {
-    log_msg(LOG_LEVEL_INFO, "Caught SIGHUP");
+    str = "Caught SIGHUP. Ignoring\n";
+    write(STDERR_FILENO ,str, strlen(str));
     break;
   }
   case SIGTERM : {
-    log_msg(LOG_LEVEL_INFO, "Caught SIGTERM. Use SIGKILL to terminate");
+    str = "Caught SIGTERM. Use SIGKILL to terminate\n";
+    write(STDERR_FILENO ,str, strlen(str));
     break;
   }
   case SIGUSR1 : {
-    log_msg(LOG_LEVEL_INFO, "Caught SIGUSR1, toggle debug level: set log level to %s", get_log_level_name(toogle_log_level(LOG_LEVEL_DEBUG)));
+    str = "Caught SIGUSR1, toggle debug level\n";
+    write(STDERR_FILENO ,str, strlen(str));
+    toogle_log_level(LOG_LEVEL_DEBUG);
     break;
   }
   }
-  init_sighandler();
-
-  return;
 }
 
 static void print_version(void)
-- 
2.33.0