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-rw-r--r--slides/2018-software-security/sample/_bo-stack.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/slides/2018-software-security/sample/_bo-stack.c b/slides/2018-software-security/sample/_bo-stack.c
new file mode 100644
index 0000000..167496e
--- /dev/null
+++ b/slides/2018-software-security/sample/_bo-stack.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+
+void verify_stack()
+{
+ int verified = 0;
+ char buf[8] = {4,4,4,4,8,8,8,8};
+ gets(buf);
+ /* <verification goes here> */
+ if (verified) {
+ printf("accept\n");
+ } else {
+ printf("reject\n");
+ }
+}
+
+int main(int argc, char *argv[])
+{
+ printf("Lucky number: %d\n", 1337);
+ verify_stack();
+ return 0;
+}