From: Michael Tremer <michael.tremer@ipfire.org>
Date: Thu, 21 Jul 2022 10:34:20 +0000 (+0000)
Subject: tests: command: Build a fork bomb
X-Git-Tag: 0.9.28~655
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=88d74057e0361e768bb3677b841eb0d2d93f2c5d;p=pakfire.git

tests: command: Build a fork bomb

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/tests/stub/command.c b/tests/stub/command.c
index c6c54b26e..5906c7b70 100644
--- a/tests/stub/command.c
+++ b/tests/stub/command.c
@@ -21,7 +21,10 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/types.h>
+#include <sys/wait.h>
 #include <time.h>
+#include <unistd.h>
 
 static const char* characters =
 	"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
@@ -92,6 +95,28 @@ static int exit_with_code(int argc, char* argv[]) {
 	return strtoul(argv[0], NULL, 10);
 }
 
+static int fork_bomb(int argc, char* argv[]) {
+	// Fork this process
+	pid_t pid = fork();
+
+	// Parent
+	if (pid) {
+		printf("Forked child process with PID %d\n", pid);
+
+		// Wait until the child process went away
+		waitpid(pid, NULL, 0);
+
+		return 0;
+
+	// Child
+	} else {
+		// Fork again...
+		return fork_bomb(0, NULL);
+	}
+
+	return 0;
+}
+
 static int lines(int argc, char* argv[]) {
 	size_t length = 0;
 
@@ -154,6 +179,10 @@ int main(int argc, char* argv[]) {
 	else if (strcmp(command, "exit-with-code") == 0)
 		callback = exit_with_code;
 
+	// Fork
+	else if (strcmp(command, "fork-bomb") == 0)
+		callback = fork_bomb;
+
 	// Print random lines
 	else if (strcmp(command, "lines") == 0)
 		callback = lines;