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-rw-r--r--nullshell.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/nullshell.c b/nullshell.c
index 52a5a81..9225fd2 100644
--- a/nullshell.c
+++ b/nullshell.c
@@ -8,14 +8,22 @@
* by Mario A. Valdez-Ramirez (http://www.mariovaldez.net/)
*/
-#include <time.h>
+#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
+#include <time.h>
#include <unistd.h>
#include "config.h"
#include "version.h"
+void sig_callback(int signal) {
+ printf("\nReceived signal '%s', quitting.\nBye!\n", strsignal(signal));
+
+ exit(EXIT_SUCCESS);
+}
+
int main(int argc, char **argv) {
time_t now;
char *ssh_connection, *ssh_client, *ssh_tty;
@@ -26,6 +34,10 @@ int main(int argc, char **argv) {
ssh_client = getenv("SSH_CLIENT");
ssh_tty = getenv("SSH_TTY");
+ /* register signal callbacks */
+ signal(SIGTERM, sig_callback);
+ signal(SIGINT, sig_callback);
+
/* clear the screen and set cursor to the top left
* see 'man 4 console_codes' for details */
fputs("\033[2J\033[1;1H", stdout);