/*! \brief SVSMODE command handler (called by services)
*
* \param client_p Pointer to allocated Client struct with physical connection
* to this server, i.e. with an open socket connected.
* \param source_p Pointer to allocated Client struct from which the message
* originally comes from. This can be a local or remote client.
* \param parc Integer holding the number of supplied arguments.
* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
* pointers.
* \note Valid arguments for this command are:
* - parv[0] = sender prefix
* - parv[1] = nickname
* - parv[2] = TS (or mode, depending on svs version)
* - parv[3] = mode (or services id if old svs version)
* - parv[4] = optional argument (services id)
*/
static void
ms_svsmode(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
struct Client *target_p = NULL;
int what = MODE_ADD;
unsigned int flag = 0, setflags = 0;
char *m = NULL, *modes = NULL, *extarg = NULL;
time_t ts = 0;
if (!HasFlag(source_p, FLAGS_SERVICE))
return;
if ((parc >= 4) && ((*parv[3] == '+') || (*parv[3] == '-')))
{
ts = atol(parv[2]);
modes = parv[3];
extarg = (parc > 4) ? parv[4] : NULL;
}
else
{
modes = parv[2];
extarg = (parc > 3) ? parv[3] : NULL;
}
if ((target_p = find_person(client_p, parv[1])) == NULL)
return;
if (ts && (ts != target_p->tsinfo))
return;
setflags = target_p->umodes;
for (m = modes; *m; ++m)
{
switch (*m)
{
case '+':
what = MODE_ADD;
break;
case '-':
what = MODE_DEL;
break;
case 'x':
if (what == MODE_ADD && extarg)
user_set_hostmask(target_p, extarg);
break;
case 'd':
if (!EmptyString(extarg))
strlcpy(target_p->svid, extarg, sizeof(target_p->svid));
break;
case 'o':
if (what == MODE_DEL && HasUMode(target_p, UMODE_OPER))
{
ClearOper(target_p);
Count.oper--;
if (MyConnect(target_p))
{
dlink_node *dm = NULL;
detach_conf(target_p, OPER_TYPE);
ClrOFlag(target_p);
DelUMode(target_p, ConfigFileEntry.oper_only_umodes);
if ((dm = dlinkFindDelete(&oper_list, target_p)) != NULL)
free_dlink_node(dm);
}
}
break;
case 'i':
if (what == MODE_ADD && !HasUMode(target_p, UMODE_INVISIBLE))
{
AddUMode(target_p, UMODE_INVISIBLE);
++Count.invisi;
}
if (what == MODE_DEL && HasUMode(target_p, UMODE_INVISIBLE))
{
DelUMode(target_p, UMODE_INVISIBLE);
--Count.invisi;
}
break;
case ' ':
case '\n':
case '\r':
case '\t':
break;
default:
if ((flag = user_modes[(unsigned char) * m]))
execute_callback(umode_cb, client_p, target_p, what, flag);
break;
}
}
if (extarg)
{
sendto_server(client_p, CAP_TS6, NOCAPS,
":%s SVSMODE %s %lu %s %s", ID(source_p),
ID(target_p), (unsigned long)target_p->tsinfo, modes, extarg);
sendto_server(client_p, NOCAPS, CAP_TS6,
":%s SVSMODE %s %lu %s %s", source_p->name,
target_p->name, (unsigned long)target_p->tsinfo, modes, extarg);
}
else
{
sendto_server(client_p, CAP_TS6, NOCAPS,
":%s SVSMODE %s %lu %s", ID(source_p),
ID(target_p), (unsigned long)target_p->tsinfo, modes);
sendto_server(client_p, NOCAPS, CAP_TS6,
":%s SVSMODE %s %lu %s", source_p->name,
target_p->name, (unsigned long)target_p->tsinfo, modes);
}
if (MyConnect(target_p) && (setflags != target_p->umodes))
{
char modebuf[IRCD_BUFSIZE];
send_umode(target_p, target_p, setflags, 0xffffffff, modebuf);
}
}
/*! \brief SVSMODE command handler
*
* \param source_p Pointer to allocated Client struct from which the message
* originally comes from. This can be a local or remote client.
* \param parc Integer holding the number of supplied arguments.
* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
* pointers.
* \note Valid arguments for this command are:
* - parv[0] = command
* - parv[1] = nickname
* - parv[2] = TS
* - parv[3] = mode
* - parv[4] = optional argument (services account, vhost)
*/
static int
ms_svsmode(struct Client *source_p, int parc, char *parv[])
{
const struct user_modes *tab = NULL;
struct Client *target_p = NULL;
int what = MODE_ADD;
unsigned int setmodes = 0;
const char *modes = NULL, *extarg = NULL;
time_t ts = 0;
if (!HasFlag(source_p, FLAGS_SERVICE))
return 0;
ts = atol(parv[2]);
modes = parv[3];
extarg = (parc > 4) ? parv[4] : NULL;
if ((target_p = find_person(source_p, parv[1])) == NULL)
return 0;
if (ts && (ts != target_p->tsinfo))
return 0;
setmodes = target_p->umodes;
for (const char *m = modes; *m; ++m)
{
switch (*m)
{
case '+':
what = MODE_ADD;
break;
case '-':
what = MODE_DEL;
break;
case 'd':
if (!EmptyString(extarg))
strlcpy(target_p->account, extarg, sizeof(target_p->account));
break;
case 'x':
if (!EmptyString(extarg) && valid_hostname(extarg))
user_set_hostmask(target_p, extarg, what);
break;
case 'o':
if (what == MODE_DEL && HasUMode(target_p, UMODE_OPER))
{
ClearOper(target_p);
--Count.oper;
if (MyConnect(target_p))
{
dlink_node *node = NULL;
detach_conf(target_p, CONF_OPER);
ClrOFlag(target_p);
DelUMode(target_p, ConfigGeneral.oper_only_umodes);
if ((node = dlinkFindDelete(&oper_list, target_p)))
free_dlink_node(node);
}
}
break;
case 'i':
if (what == MODE_ADD && !HasUMode(target_p, UMODE_INVISIBLE))
{
AddUMode(target_p, UMODE_INVISIBLE);
++Count.invisi;
}
if (what == MODE_DEL && HasUMode(target_p, UMODE_INVISIBLE))
{
DelUMode(target_p, UMODE_INVISIBLE);
--Count.invisi;
}
break;
case 'S': /* Only servers may set +S in a burst */
case 'W': /* Only servers may set +W in a burst */
break;
default:
if ((tab = umode_map[(unsigned char)*m]))
{
if (what == MODE_ADD)
AddUMode(target_p, tab->flag);
else
DelUMode(target_p, tab->flag);
}
break;
}
}
if (extarg)
sendto_server(source_p, 0, 0, ":%s SVSMODE %s %lu %s %s",
source_p->id,
target_p->id, (unsigned long)target_p->tsinfo, modes, extarg);
else
sendto_server(source_p, 0, 0, ":%s SVSMODE %s %lu %s",
source_p->id,
target_p->id, (unsigned long)target_p->tsinfo, modes);
if (MyConnect(target_p) && (setmodes != target_p->umodes))
{
char modebuf[IRCD_BUFSIZE] = "";
send_umode(target_p, target_p, setmodes, modebuf);
}
return 0;
}
/* set_user_mode()
*
* added 15/10/91 By Darren Reed.
* parv[0] - command
* parv[1] - username to change mode for
* parv[2] - modes to change
*/
static void
set_user_mode(struct Client *source_p, const int parc, char *parv[])
{
const struct user_modes *tab = NULL;
const unsigned int setmodes = source_p->umodes;
const struct Client *target_p = NULL;
int what = MODE_ADD, badmode = 0;
if ((target_p = find_person(source_p, parv[1])) == NULL)
{
if (MyConnect(source_p))
sendto_one_numeric(source_p, &me, ERR_NOSUCHCHANNEL, parv[1]);
return;
}
if (source_p != target_p)
{
sendto_one_numeric(source_p, &me, ERR_USERSDONTMATCH);
return;
}
if (parc < 3)
{
char buf[IRCD_BUFSIZE] = "";
char *m = buf;
*m++ = '+';
for (tab = umode_tab; tab->c; ++tab)
if (HasUMode(source_p, tab->flag))
*m++ = tab->c;
*m = '\0';
sendto_one_numeric(source_p, &me, RPL_UMODEIS, buf);
return;
}
/* Parse user mode change string */
for (const char *m = parv[2]; *m; ++m)
{
switch (*m)
{
case '+':
what = MODE_ADD;
break;
case '-':
what = MODE_DEL;
break;
case 'o':
if (what == MODE_ADD)
{
if (!MyConnect(source_p) && !HasUMode(source_p, UMODE_OPER))
{
++Count.oper;
SetOper(source_p);
}
}
else
{
if (!HasUMode(source_p, UMODE_OPER))
break;
ClearOper(source_p);
--Count.oper;
if (MyConnect(source_p))
{
dlink_node *node = NULL;
detach_conf(source_p, CONF_OPER);
ClrOFlag(source_p);
DelUMode(source_p, ConfigGeneral.oper_only_umodes);
if ((node = dlinkFindDelete(&oper_list, source_p)))
free_dlink_node(node);
}
}
break;
case 'S': /* Only servers may set +S in a burst */
case 'W': /* Only servers may set +W in a burst */
case 'r': /* Only services may set +r */
case 'x': /* Only services may set +x */
break;
default:
if ((tab = umode_map[(unsigned char)*m]))
{
if (MyConnect(source_p) && !HasUMode(source_p, UMODE_OPER) &&
(ConfigGeneral.oper_only_umodes & tab->flag))
badmode = 1;
else
{
if (what == MODE_ADD)
AddUMode(source_p, tab->flag);
else
DelUMode(source_p, tab->flag);
}
}
else if (MyConnect(source_p))
badmode = 1;
break;
}
}
if (badmode)
sendto_one_numeric(source_p, &me, ERR_UMODEUNKNOWNFLAG);
if (MyConnect(source_p) && HasUMode(source_p, UMODE_ADMIN) &&
!HasOFlag(source_p, OPER_FLAG_ADMIN))
{
sendto_one_notice(source_p, &me, ":*** You have no admin flag;");
DelUMode(source_p, UMODE_ADMIN);
}
if (!(setmodes & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
++Count.invisi;
if ((setmodes & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE))
--Count.invisi;
/*
* Compare new modes with old modes and send string which will cause
* servers to update correctly.
*/
send_umode_out(source_p, setmodes);
}
