Test

syscall/jasmin_syscall.c

@@ -1,36 +1,31 @@
 
 #include "jasmin_syscall.h"
 
-#if defined(__linux__) 
+#if defined(__linux__)
 
-#include <unistd.h>
-#include <stdint.h>
-#include <string.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <sys/random.h>
-#include <sys/mman.h>
-#include <sys/syscall.h>
-#include <linux/futex.h>
 #include <errno.h>
+#include <fcntl.h>
+#include <linux/futex.h>
+#include <stdint.h>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/random.h>
+#include <sys/syscall.h>
+#include <unistd.h>
 
-
-
-uint8_t* __jasmin_syscall_randombytes__(uint8_t* _x, uint64_t xlen)
-{
+uint8_t *__jasmin_syscall_randombytes__(uint8_t *_x, uint64_t xlen) {
   int i;
-  uint8_t* x = _x;
+  uint8_t *x = _x;
 
   printf("%lx:\n", x);
 
-  for (i = 0; i < xlen; i++)
-  {
+  for (i = 0; i < xlen; i++) {
     printf("%02X", _x[i]);
   }
   printf("\n");
 
-
   return _x;
 }
 
@@ -54,15 +49,16 @@ uint8_t* __jasmin_syscall_randombytes__(uint8_t* _x, uint64_t xlen)
 //   }
 // }
 
-uint64_t __jasmin_syscall_open__(uint8_t* x, uint64_t xlen)
-{
-  uint8_t* mem = (uint8_t*)mmap(NULL, 1024, PROT_READ|PROT_WRITE, MAP_SHARED, 3, 0);
+uint64_t __jasmin_syscall_open__(uint8_t *x, uint64_t xlen) {
+  uint8_t *mem =
+      (uint8_t *)mmap(NULL, 1024, PROT_READ | PROT_WRITE, MAP_SHARED, 3, 0);
   if (mem == NULL) {
     puts("mem error");
     exit(1);
   }
   uintptr_t addr = (uintptr_t)(mem - 4096);
-  void* futex_mem = mmap((void*)addr, 1024, PROT_READ|PROT_WRITE, MAP_SHARED, 4, 0);
+  void *futex_mem =
+      mmap((void *)addr, 1024, PROT_READ | PROT_WRITE, MAP_SHARED, 4, 0);
   if ((uintptr_t)futex_mem != addr) {
     puts("mem error 2");
     exit(1);
@@ -88,9 +84,9 @@ uint64_t __jasmin_syscall_open__(uint8_t* x, uint64_t xlen)
 //   return _x;
 // }
 
-uint8_t* __jasmin_syscall_read__(uint8_t* _x, uint64_t xlen, uint64_t fd)
-{
-  uint32_t* addr = (uint32_t*)(uintptr_t)fd;
+uint8_t *__jasmin_syscall_read__(uint8_t *_x, uint64_t xlen, uint64_t fd) {
+  printf("Waiting...\n");
+  uint32_t *addr = (uint32_t *)(uintptr_t)fd;
   long ret = syscall(SYS_futex, addr, FUTEX_WAIT, 0x1, NULL, NULL, 0);
   if (ret == -1) {
     printf("Agent futex error: %d\n", errno);
@@ -100,9 +96,8 @@ uint8_t* __jasmin_syscall_read__(uint8_t* _x, uint64_t xlen, uint64_t fd)
   return _x;
 }
 
-uint8_t* __jasmin_syscall_write__(uint8_t* _x, uint64_t xlen, uint64_t fd)
-{
-  uint32_t* addr = (uint32_t*)(uintptr_t)fd;
+uint8_t *__jasmin_syscall_write__(uint8_t *_x, uint64_t xlen, uint64_t fd) {
+  uint32_t *addr = (uint32_t *)(uintptr_t)fd;
   *addr = 1;
   syscall(SYS_futex, addr, FUTEX_WAKE, 1, NULL, NULL, 0);
 
@@ -133,11 +128,12 @@ uint8_t* __jasmin_syscall_write__(uint8_t* _x, uint64_t xlen, uint64_t fd)
 
 #include <stdlib.h>
 
-#if !(defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101200)
+#if !(defined(__MAC_OS_X_VERSION_MIN_REQUIRED) &&                              \
+      __MAC_OS_X_VERSION_MIN_REQUIRED >= 101200)
 #error "macOS version not supported (>= 10.12)"
 #endif
 
-uint8_t* __jasmin_syscall_randombytes__(uint8_t* x, uint64_t xlen){
+uint8_t *__jasmin_syscall_randombytes__(uint8_t *x, uint64_t xlen) {
   arc4random_buf(x, xlen);
   return x;
 }