D46555.id157982.diff
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D46555.id157982.diff
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	diff --git a/libexec/flua/modules/lposix.c b/libexec/flua/modules/lposix.c
	--- a/libexec/flua/modules/lposix.c
	+++ b/libexec/flua/modules/lposix.c
	@@ -88,18 +88,23 @@
	lua_chown(lua_State *L)
	{
	const char *path;
	- uid_t owner = (uid_t) -1;
	- gid_t group = (gid_t) -1;
	+ uid_t owner = (uid_t)-1;
	+ gid_t group = (gid_t)-1;
	+ int error;

	enforce_max_args(L, 3);

	path = luaL_checkstring(L, 1);
	if (lua_isinteger(L, 2))
	- owner = (uid_t) lua_tointeger(L, 2);
	+ owner = (uid_t)lua_tointeger(L, 2);
	else if (lua_isstring(L, 2)) {
	- struct passwd *p = getpwnam(lua_tostring(L, 2));
	- if (p != NULL)
	- owner = p->pw_uid;
	+ char buf[4096];
	+ struct passwd passwd, *pwd;
	+
	+ error = getpwnam_r(lua_tostring(L, 2), &passwd,
	+ buf, sizeof(buf), &pwd);
	+ if (error == 0)
	+ owner = pwd->pw_uid;
	else
	return (luaL_argerror(L, 2,
	lua_pushfstring(L, "unknown user %s",
	@@ -112,11 +117,15 @@
	}

	if (lua_isinteger(L, 3))
	- group = (gid_t) lua_tointeger(L, 3);
	+ group = (gid_t)lua_tointeger(L, 3);
	else if (lua_isstring(L, 3)) {
	- struct group *g = getgrnam(lua_tostring(L, 3));
	- if (g != NULL)
	- group = g->gr_gid;
	+ char buf[4096];
	+ struct group gr, *grp;
	+
	+ error = getgrnam_r(lua_tostring(L, 3), &gr, buf, sizeof(buf),
	+ &grp);
	+ if (error == 0)
	+ group = grp->gr_gid;
	else
	return (luaL_argerror(L, 3,
	lua_pushfstring(L, "unknown group %s",