mod_blocklist: Drop blocked messages without error, option to restore compliant behavior
From XEP-0191:
> For message stanzas, the server SHOULD return an error, which SHOULD
> be <service-unavailable/>.
Following this may leak to a blocked JID that they have been blocked,
which seems contrary to the goal of pretending to be perpetually
offline.
#ifndef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 200809L
#endif
#include <time.h>
#include <lua.h>
static lua_Number tv2number(struct timespec *tv) {
return tv->tv_sec + tv->tv_nsec * 1e-9;
}
static int lc_time_realtime(lua_State *L) {
struct timespec t;
clock_gettime(CLOCK_REALTIME, &t);
lua_pushnumber(L, tv2number(&t));
return 1;
}
static int lc_time_monotonic(lua_State *L) {
struct timespec t;
clock_gettime(CLOCK_MONOTONIC, &t);
lua_pushnumber(L, tv2number(&t));
return 1;
}
int luaopen_util_time(lua_State *L) {
lua_createtable(L, 0, 2);
{
lua_pushcfunction(L, lc_time_realtime);
lua_setfield(L, -2, "now");
lua_pushcfunction(L, lc_time_monotonic);
lua_setfield(L, -2, "monotonic");
}
return 1;
}