From 28e14f4eb332c6a2ff46f4034808c93eb192e0bd Mon Sep 17 00:00:00 2001
From: Kavishka <kavishka2.colambatantri@live.uwe.ac.uk>
Date: Thu, 31 Mar 2022 16:20:44 -0400
Subject: [PATCH] - Files used for Task 7;
---
.../libmylib.so.1.0.1 | Bin 0 -> 7928 bytes
.../mylib.c | 9 +++++++++
.../mylib.o | Bin 0 -> 2588 bytes
.../myprog.c | 9 +++++++++
4 files changed, 18 insertions(+)
create mode 100755 Task 7 - The LD_PRELOAD Environment Variable and Set-UID Programs/libmylib.so.1.0.1
create mode 100644 Task 7 - The LD_PRELOAD Environment Variable and Set-UID Programs/mylib.c
create mode 100644 Task 7 - The LD_PRELOAD Environment Variable and Set-UID Programs/mylib.o
create mode 100644 Task 7 - The LD_PRELOAD Environment Variable and Set-UID Programs/myprog.c
diff --git a/Task 7 - The LD_PRELOAD Environment Variable and Set-UID Programs/libmylib.so.1.0.1 b/Task 7 - The LD_PRELOAD Environment Variable and Set-UID Programs/libmylib.so.1.0.1
new file mode 100755
index 0000000000000000000000000000000000000000..b6880c5541e3aeb3ee511f63bd8296482a229ca8
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diff --git a/Task 7 - The LD_PRELOAD Environment Variable and Set-UID Programs/mylib.c b/Task 7 - The LD_PRELOAD Environment Variable and Set-UID Programs/mylib.c
new file mode 100644
index 0000000..b11c22d
--- /dev/null
+++ b/Task 7 - The LD_PRELOAD Environment Variable and Set-UID Programs/mylib.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+void sleep (int s)
+{
+ /* If this is invoked by a privileged program,
+ you can do damage here! */
+ printf("I am not sleeping!\n");
+}
+
diff --git a/Task 7 - The LD_PRELOAD Environment Variable and Set-UID Programs/mylib.o b/Task 7 - The LD_PRELOAD Environment Variable and Set-UID Programs/mylib.o
new file mode 100644
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diff --git a/Task 7 - The LD_PRELOAD Environment Variable and Set-UID Programs/myprog.c b/Task 7 - The LD_PRELOAD Environment Variable and Set-UID Programs/myprog.c
new file mode 100644
index 0000000..010ea5c
--- /dev/null
+++ b/Task 7 - The LD_PRELOAD Environment Variable and Set-UID Programs/myprog.c
@@ -0,0 +1,9 @@
+#include <unistd.h>
+#include <stdlib.h>
+/* myprog.c */
+int main()
+{
+sleep(1);
+system("printenv LD_PRELOAD");
+return 0;
+}
--
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