Echo Valley

echo_valley/valley.c

@@ -0,0 +1,49 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+void print_flag() {
+    char buf[32];
+    FILE *file = fopen("/home/valley/flag.txt", "r");
+
+    if (file == NULL) {
+      perror("Failed to open flag file");
+      exit(EXIT_FAILURE);
+    }
+    
+    fgets(buf, sizeof(buf), file);
+    printf("Congrats! Here is your flag: %s", buf);
+    fclose(file);
+    exit(EXIT_SUCCESS);
+}
+
+void echo_valley() {
+    printf("Welcome to the Echo Valley, Try Shouting: \n");
+
+    char buf[100];
+
+    while(1)
+    {
+        fflush(stdout);
+        if (fgets(buf, sizeof(buf), stdin) == NULL) {
+          printf("\nEOF detected. Exiting...\n");
+          exit(0);
+        }
+
+        if (strcmp(buf, "exit\n") == 0) {
+            printf("The Valley Disappears\n");
+            break;
+        }
+
+        printf("You heard in the distance: ");
+        printf(buf);
+        fflush(stdout);
+    }
+    fflush(stdout);
+}
+
+int main()
+{
+    echo_valley();
+    return 0;
+}