fixed bug in shiphash23

src/siphash24.c

@@ -101,24 +101,25 @@ void ts3init_siphash_update(struct ts3init_siphash_state* state, const u8 *in, s
     switch (next_byte)
     {
     case 1:
+        if (in==end) goto __exit_update;
         m |= ((u64)(*in++)) << 8;
-        if (in==end) goto __exit_update;
     case 2:
+        if (in==end) goto __exit_update;
         m |= ((u64)(*in++)) << 16;
-        if (in==end) goto __exit_update;
     case 3:
+        if (in==end) goto __exit_update;
         m |= ((u64)(*in++)) << 24;
-        if (in==end) goto __exit_update;
     case 4:
+        if (in==end) goto __exit_update;
         m |= ((u64)(*in++)) << 32;
-        if (in==end) goto __exit_update;
     case 5:
+        if (in==end) goto __exit_update;
         m |= ((u64)(*in++)) << 40;
-        if (in==end) goto __exit_update;
     case 6:
-        m |= ((u64)(*in++)) << 48;
         if (in==end) goto __exit_update;
+        m |= ((u64)(*in++)) << 48;
     case 7:
+        if (in==end) goto __exit_update;
         m |= ((u64)(*in++)) << 56;
 
         v3 ^= m;

src/siphash24.h

@@ -17,9 +17,19 @@
    this software. If not, see
    <http://creativecommons.org/publicdomain/zero/1.0/>.
 */
-
+#ifndef __KERNEL__
+#include <stdint.h>
+#include <stdio.h>
+#define u8 uint8_t
+#define u32 uint32_t
+#define u64 uint64_t
+#define printk printf
+#define le64_to_cpu(x) x
+#define cpu_to_le64(x) x
+#define inline static inline
+#else
 #include <linux/kernel.h>
-#include <linux/udp.h>
+#endif
 
 struct ts3init_siphash_state
 {

src/ts3init_cookie.c

@@ -17,6 +17,7 @@
 #include <linux/err.h>
 #include <linux/scatterlist.h>
 #include <linux/netfilter/x_tables.h>
+#include <linux/udp.h>
 #include "siphash24.h"
 #include "ts3init_cookie.h"