From 3017a0e28c67245da3761557d90882380b58554a Mon Sep 17 00:00:00 2001
From: k2-colambatant <kavishka2.colambatantri@live.uwe.ac.uk>
Date: Thu, 31 Mar 2022 19:55:15 +0100
Subject: [PATCH] - File task3.c;
---
.../task3.c | 17 +++++++++++++++++
.../task5.c | 11 +++++++++++
2 files changed, 28 insertions(+)
create mode 100644 Task 3 - Environment variables and execve()/task3.c
create mode 100644 Task 5 - Environment Variables and Set-UID programs/task5.c
diff --git a/Task 3 - Environment variables and execve()/task3.c b/Task 3 - Environment variables and execve()/task3.c
new file mode 100644
index 0000000..a93b870
--- /dev/null
+++ b/Task 3 - Environment variables and execve()/task3.c
@@ -0,0 +1,17 @@
+#include<stdio.h>
+#include<stdlib.h>
+//STUDENT ID: 20042129
+extern char **environ;
+
+int main()
+{
+ char *argv[2];
+
+ argv[0] = "/usr/bin/env";
+ argv[1] = NULL;
+
+ execve("/usr/bin/env", argv, NULL);
+ //execve("/usr/bin/env",argv, environ);
+
+ return 0;
+}
diff --git a/Task 5 - Environment Variables and Set-UID programs/task5.c b/Task 5 - Environment Variables and Set-UID programs/task5.c
new file mode 100644
index 0000000..8fd85a0
--- /dev/null
+++ b/Task 5 - Environment Variables and Set-UID programs/task5.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <stdlib.h>
+extern char **environ;
+void main()
+{
+ int i = 0;
+ while (environ[i] != NULL) {
+ printf("%s\n", environ[i]);
+ i++;
+ }
+}
\ No newline at end of file
--
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