first challenge

soez · Oct 29, 2017 · 579c04e · 579c04e
1 parent b6b5216
commit 579c04e
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Showing 3 changed files with 5 additions and 4 deletions.
diff --git a/house of lore + unsafe unlink/heappyday b/house of lore + unsafe unlink/heappyday
diff --git a/house of lore + unsafe unlink/heappyday.c b/house of lore + unsafe unlink/heappyday.c
@@ -3,13 +3,14 @@
 #include <ctype.h>
 #include <string.h>
 #include <fcntl.h>
+#include <unistd.h>
 
 #define MAX 100
 
 // gcc heappyday.c -o heappyday
 
 struct H {
-	void* m[MAX];
+	char* m[MAX];
 	unsigned size[MAX];
 };
 
@@ -41,7 +42,7 @@ void crea() {
 			ptr.m[pos] = malloc(ptr.size[pos]);
 			puts("Enter the content: ");
 			int n = read(0, ptr.m[pos], ptr.size[pos]);
-			*(char **)&ptr.m[pos][n - 1] = '\0';
+			ptr.m[pos][n - 1] = '\0';
 		} else {
 			puts("Bad size.");
 		}
@@ -58,7 +59,7 @@ void modify() {
 	if (i < MAX) {
 		puts("Enter the content: ");
 		int n = read(0, ptr.m[i], ptr.size[i]);
-		*(char **)&ptr.m[i][n - 1] = '\0';
+		ptr.m[i][n - 1] = '\0';
 	} else {
 		puts("Bad position");	
 	}

diff --git a/house of lore + unsafe unlink/heappyday.py b/house of lore + unsafe unlink/heappyday.py
@@ -36,7 +36,7 @@ def salir():
 victim->bk   = buffer_2
 '''
 
-s = remote("172.17.4.8", 4242)
+s = remote("localhost", 4444)
 add(0, 256, "")
 add(1, 256, "")
 add(2, 256, "")