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/*
* Copyright (c) 2026 Nakidai Perumenei <nakidai at disroot dot org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "ircd.h"
#include <errno.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <err.h>
const char *
getnick(const struct Peer *peer)
{
return *peer->nick ? peer->nick : "*";
}
enum PeerMode
user_mode(char m)
{
switch (m)
{
case 'a': return AWAY;
case 'i': return INVISIBLE;
case 'w': return WALLOPS;
case 'r': return RESTRICTED;
case 'o': return OPER;
case 'O': return LOCALOPER;
case 's': return SNOTICE;
default: return 0;
}
}
void
user_reg(struct Peer *peer, const char *nick, const char *user, const char *real, const char *mode)
{
int was_registered;
unsigned long m;
const char *p;
was_registered = *peer->nick && *peer->user && *peer->real;
if (nick)
strlcpy(peer->nick, nick, sizeof(peer->nick));
if (user)
strlcpy(peer->user, user, sizeof(peer->user));
if (real)
strlcpy(peer->real, real, sizeof(peer->real));
if (mode)
{
errno = 0;
m = strtoul(mode, &p, 10);
if (errno || *p)
goto skip;
if (m & 8)
peer->modes |= INVISIBLE;
if (m & 4)
peer->modes |= WALLOPS;
}
skip:
if (!was_registered && *peer->nick && *peer->user && *peer->real)
{
peer->type = CLIENT;
reply(peer, 1);
}
}
void
user_remove(size_t pid)
{
size_t i, j;
for (i = 0; i < peers[peers_c-1].channels_c; ++i)
{
for (j = 0; j < peers[peers_c-1].channels[i]->users_c; ++j)
if (peers[peers_c-1].channels[i]->users[j]->fd == peers[peers_c-1].fd)
break;
if (j == peers[peers_c-1].channels[i]->users_c)
{
warnx(
"user_unlink(): %s@%s doesn't belong to %s, "
"though they believe in the opposite",
getnick(&peers[peers_c-1]),
peers[peers_c-1].host,
peers[peers_c-1].channels[i]->name
);
continue;
}
peers[peers_c-1].channels[i]->users[j] = &peers[pid];
}
peers[pid] = peers[--peers_c];
}
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