mdw@git.distorted.org.uk Git - termux-packages/blob - packages/torsocks/0001-syscall-Add-clone.patch

   1 From 3b78843ee18a3099196a61c7d07c0e2d24d1fe84 Mon Sep 17 00:00:00 2001
   2 From: vishalbiswas <vshlbiswas@ymail.com>
   3 Date: Tue, 17 Jan 2017 10:10:23 +0530
   4 Subject: [PATCH] syscall: Add clone
   5
   6 Signed-off-by: vishalbiswas <vshlbiswas@ymail.com>
   7 ---
   8  src/common/compat.h |  4 ++++
   9  src/lib/syscall.c   | 21 +++++++++++++++++++++
  10  2 files changed, 25 insertions(+)
  11
  12 diff --git a/src/common/compat.h b/src/common/compat.h
  13 index f490113..bf42f07 100644
  14 --- a/src/common/compat.h
  15 +++ b/src/common/compat.h
  16 @@ -126,6 +126,9 @@ void tsocks_once(tsocks_once_t *o, void (*init_routine)(void));
  17  #ifndef __NR_fork
  18  #define __NR_fork -18
  19  #endif
  20 +#ifndef __NR_clone
  21 +#define __NR_clone -19
  22 +#endif
  23
  24  #define TSOCKS_NR_SOCKET    __NR_socket
  25  #define TSOCKS_NR_CONNECT   __NR_connect
  26 @@ -145,6 +148,7 @@ void tsocks_once(tsocks_once_t *o, void (*init_routine)(void));
  27  #define TSOCKS_NR_GETTIMEOFDAY __NR_gettimeofday
  28  #define TSOCKS_NR_CLOCK_GETTIME __NR_clock_gettime
  29  #define TSOCKS_NR_FORK      __NR_fork
  30 +#define TSOCKS_NR_CLONE     __NR_clone
  31
  32  /*
  33   * Despite glibc providing wrappers for these calls for a long time
  34 diff --git a/src/lib/syscall.c b/src/lib/syscall.c
  35 index d0fdaaa..c8a9b46 100644
  36 --- a/src/lib/syscall.c
  37 +++ b/src/lib/syscall.c
  38 @@ -423,6 +423,24 @@ static LIBC_SYSCALL_RET_TYPE handle_fork(void)
  39  {
  40         return tsocks_libc_syscall(TSOCKS_NR_FORK);
  41  }
  42 +
  43 +/*
  44 + *  * Handle clone(2) syscall.
  45 + *   */
  46 +static LIBC_SYSCALL_RET_TYPE handle_clone(va_list args)
  47 +{
  48 +       int (*fn)(void*);
  49 +       void* child_stack;
  50 +       int flags;
  51 +       void* arg;
  52 +
  53 +       fn = va_arg(args, __typeof__(fn));
  54 +       child_stack = va_arg(args, __typeof__(child_stack));
  55 +       flags = va_arg(args, __typeof__(flags));
  56 +       arg = va_arg(args, __typeof__(arg));
  57 +
  58 +        return tsocks_libc_syscall(TSOCKS_NR_CLONE, fn, child_stack, flags, arg);
  59 +}
  60  #endif /* __linux__ */
  61
  62  /*
  63 @@ -541,6 +559,9 @@ LIBC_SYSCALL_RET_TYPE tsocks_syscall(long int number, va_list args)
  64         case TSOCKS_NR_FORK:
  65                 ret = handle_fork();
  66                 break;
  67 +       case TSOCKS_NR_CLONE:
  68 +               ret = handle_clone(args);
  69 +               break;
  70  #endif /* __linux__ */
  71         default:
  72                 /*
  73 --
  74 2.11.0
  75