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nfqws2: getpid and gettid luacall

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bol-van
2025-11-26 17:51:46 +03:00
parent 8d2b7d9ef2
commit e1c6802b52
1 changed files with 36 additions and 1 deletions
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37
nfq2/lua.c
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@@ -1,6 +1,13 @@
#include <time.h>
#include <fcntl.h>
#include <sys/utsname.h>
#include <unistd.h>
#ifdef __FreeBSD__
#include <sys/thr.h>
#endif
#ifdef __linux__
#include <sys/syscall.h>
#endif
#include "lua.h"
#include "params.h"
@@ -547,6 +554,31 @@ static int luacall_hkdf(lua_State *L)
}
static int luacall_getpid(lua_State *L)
{
lua_check_argc(L,"getpid", 0);
lua_pushinteger(L, getpid());
return 1;
}
static int luacall_gettid(lua_State *L)
{
lua_check_argc(L,"gettid", 0);
#ifdef __OpenBSD__
lua_pushinteger(L, getthrid());
#elif defined( __FreeBSD__)
long tid;
if (thr_self(&tid))
lua_pushnil(L);
else
lua_pushinteger(L, tid);
#elif defined(__linux__)
lua_pushinteger(L, syscall(SYS_gettid));
#else
// unsupported OS ?
lua_pushnil(L);
#endif
return 1;
}
static int luacall_uname(lua_State *L)
{
lua_check_argc(L,"uname", 0);
@@ -554,7 +586,6 @@ static int luacall_uname(lua_State *L)
LUA_STACK_GUARD_ENTER(L)
struct utsname udata;
if (uname(&udata))
lua_pushnil(L);
else
@@ -2802,8 +2833,12 @@ static void lua_init_functions(void)
{"instance_cutoff",luacall_instance_cutoff},
// get raw packet data
{"raw_packet",luacall_raw_packet},
// system functions
{"uname",luacall_uname},
{"clock_gettime",luacall_clock_gettime},
{"getpid",luacall_getpid},
{"gettid",luacall_gettid},
// convert table representation to blob or vise versa
{"reconstruct_tcphdr",luacall_reconstruct_tcphdr},