2 * Copyright (c) 2019 Kyle Evans <kevans@FreeBSD.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
43 * Minimal implementation of luaposix needed for internal FreeBSD bits.
47 lua_chmod(lua_State *L)
54 luaL_argcheck(L, n == 2, n > 2 ? 3 : n,
55 "chmod takes exactly two arguments");
56 path = luaL_checkstring(L, 1);
57 mode = (mode_t)luaL_checkinteger(L, 2);
58 if (chmod(path, mode) == -1) {
60 lua_pushstring(L, strerror(errno));
61 lua_pushinteger(L, errno);
64 lua_pushinteger(L, 0);
69 lua_chown(lua_State *L)
73 uid_t owner = (uid_t) -1;
74 gid_t group = (gid_t) -1;
77 luaL_argcheck(L, n > 1, n,
78 "chown takes at least two arguments");
79 path = luaL_checkstring(L, 1);
80 if (lua_isinteger(L, 2))
81 owner = (uid_t) lua_tointeger(L, 2);
82 else if (lua_isstring(L, 2)) {
83 struct passwd *p = getpwnam(lua_tostring(L, 2));
87 return (luaL_argerror(L, 2,
88 lua_pushfstring(L, "unknown user %s",
89 lua_tostring(L, 2))));
90 } else if (!lua_isnoneornil(L, 2)) {
91 const char *type = luaL_typename(L, 2);
92 return (luaL_argerror(L, 2,
93 lua_pushfstring(L, "integer or string expected, got %s",
97 if (lua_isinteger(L, 3))
98 group = (gid_t) lua_tointeger(L, 3);
99 else if (lua_isstring(L, 3)) {
100 struct group *g = getgrnam(lua_tostring(L, 3));
104 return (luaL_argerror(L, 3,
105 lua_pushfstring(L, "unknown group %s",
106 lua_tostring(L, 3))));
107 } else if (!lua_isnoneornil(L, 3)) {
108 const char *type = luaL_typename(L, 3);
109 return (luaL_argerror(L, 3,
110 lua_pushfstring(L, "integer or string expected, got %s",
114 if (chown(path, owner, group) == -1) {
116 lua_pushstring(L, strerror(errno));
117 lua_pushinteger(L, errno);
120 lua_pushinteger(L, 0);
125 lua_getpid(lua_State *L)
130 luaL_argcheck(L, n == 0, 1, "too many arguments");
131 lua_pushinteger(L, getpid());
135 #define REG_SIMPLE(n) { #n, lua_ ## n }
136 static const struct luaL_Reg sys_statlib[] = {
141 static const struct luaL_Reg unistdlib[] = {
149 luaopen_posix_sys_stat(lua_State *L)
151 luaL_newlib(L, sys_statlib);
156 luaopen_posix_unistd(lua_State *L)
158 luaL_newlib(L, unistdlib);