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NeoStats/users.c

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/* NeoStats - IRC Statistical Services
** Copyright (c) 1999-2003 Adam Rutter, Justin Hammond
** http://www.neostats.net/
**
** Portions Copyright (c) 2000-2001 ^Enigma^
**
** Portions Copyright (c) 1999 Johnathan George net@lite.net
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
** USA
**
** NeoStats CVS Identification
** $Id$
*/
#include "stats.h"
#include "hash.h"
#include "dl.h"
#include "log.h"
#include "users.h"
#include "chans.h"
hash_t *uh;
static void doDelUser (const char *nick, int killflag);
static User *new_user (const char *nick);
static User *
new_user (const char *nick)
{
User *u;
hnode_t *un;
SET_SEGV_LOCATION();
u = smalloc (sizeof (User));
if (!nick)
strsetnull (u->nick);
else
strlcpy (u->nick, nick, MAXNICK);
un = hnode_create (u);
if (hash_isfull (uh)) {
nlog (LOG_CRITICAL, LOG_CORE, "Eeeek, Hash is full");
} else {
hash_insert (uh, un, u->nick);
}
return (u);
}
void
AddUser (const char *nick, const char *user, const char *host, const char *server, const unsigned long ipaddr, const unsigned long TS)
{
User *u;
int i;
nlog (LOG_DEBUG2, LOG_CORE, "AddUser(): %s (%s@%s)(%d) -> %s at %lu", nick, user, host, htonl (ipaddr), server, TS);
SET_SEGV_LOCATION();
u = finduser (nick);
if (u) {
nlog (LOG_WARNING, LOG_CORE, "trying to add a user that already exists? (%s)", nick);
return;
}
u = new_user (nick);
strlcpy (u->hostname, host, MAXHOST);
strlcpy (u->username, user, MAXUSER);
/* its empty for the moment */
strsetnull (u->realname);
u->server = findserver (server);
u->t_flood = me.now;
u->flood = 0;
u->is_away = 0;
u->Umode = 0;
#ifdef ULTIMATE3
u->Smode = 0;
#endif
u->chans = list_create (MAXJOINCHANS);
u->modes[0]= '\0';
u->ipaddr.s_addr = htonl (ipaddr);
u->TS = TS;
/* make sure the module pointers are all null */
for (i = 0; i < NUM_MODULES; i++) {
u->moddata[i] = NULL;
}
}
void
AddRealName (const char *nick, const char *realname)
{
char **av;
int ac = 0;
User *u = finduser (nick);
if (!u) {
nlog (LOG_WARNING, LOG_CORE, "Warning, Can not find User %s for Realname", nick);
return;
}
nlog (LOG_DEBUG2, LOG_CORE, "RealName(%s): %s", nick, realname);
strlcpy (u->realname, realname, MAXREALNAME);
AddStringToList (&av, u->nick, &ac);
ModuleEvent (EVENT_SIGNON, av, ac);
free (av);
}
void
part_u_chan (list_t * list, lnode_t * node, void *v)
{
User *u = v;
part_chan (u, lnode_get (node));
}
void
KillUser (const char *nick)
{
doDelUser (nick, 1);
}
void
DelUser (const char *nick)
{
doDelUser (nick, 0);
}
static void
doDelUser (const char *nick, int killflag)
{
User *u;
hnode_t *un;
char **av;
int ac = 0;
SET_SEGV_LOCATION();
nlog (LOG_DEBUG2, LOG_CORE, "DelUser(%s)", nick);
un = hash_lookup (uh, nick);
if (!un) {
nlog (LOG_WARNING, LOG_CORE, "DelUser(%s) failed!", nick);
return;
}
u = hnode_get (un);
list_process (u->chans, u, part_u_chan);
/* run the event to delete a user */
AddStringToList (&av, u->nick, &ac);
if (killflag == 0) {
ModuleEvent (EVENT_SIGNOFF, av, ac);
} else if (killflag == 1) {
ModuleEvent (EVENT_KILL, av, ac);
}
free (av);
/* if its one of our bots, remove it from the modlist */
if (findbot (u->nick)) {
if (killflag == 1)
nlog (LOG_NOTICE, LOG_CORE, "Deleting Bot %s as it was killed", u->nick);
del_mod_user (u->nick);
}
hash_delete (uh, un);
hnode_destroy (un);
list_destroy (u->chans);
free (u);
}
void
UserAway (User * u, const char *awaymsg)
{
char **av;
int ac = 0;
if (u) {
AddStringToList (&av, u->nick, &ac);
if ((u->is_away == 1) && (!awaymsg)) {
u->is_away = 0;
ModuleEvent (EVENT_AWAY, av, ac);
} else if ((u->is_away == 0) && (awaymsg)) {
u->is_away = 1;
AddStringToList (&av, (char *) awaymsg, &ac);
ModuleEvent (EVENT_AWAY, av, ac);
}
free (av);
}
}
void
Change_User (User * u, const char *newnick)
{
hnode_t *un;
lnode_t *cm;
char **av;
int ac = 0;
char *oldnick;
SET_SEGV_LOCATION();
nlog (LOG_DEBUG2, LOG_CORE, "Change_User(%s, %s)", u->nick, newnick);
un = hash_lookup (uh, u->nick);
if (!un) {
nlog (LOG_WARNING, LOG_CORE, "ChangeUser(%s) Failed!", u->nick);
return;
}
cm = list_first (u->chans);
while (cm) {
change_user_nick (findchan (lnode_get (cm)), (char *) newnick, u->nick);
cm = list_next (u->chans, cm);
}
SET_SEGV_LOCATION();
hash_delete (uh, un);
oldnick = malloc (MAXNICK);
strlcpy (oldnick, u->nick, MAXNICK);
AddStringToList (&av, oldnick, &ac);
strlcpy (u->nick, newnick, MAXNICK);
hash_insert (uh, un, u->nick);
AddStringToList (&av, u->nick, &ac);
ModuleEvent (EVENT_NICKCHANGE, av, ac);
free (av);
free (oldnick);
}
User *
finduser (const char *nick)
{
User *u;
hnode_t *un;
un = hash_lookup (uh, nick);
if (un != NULL) {
u = hnode_get (un);
return u;
}
nlog (LOG_DEBUG2, LOG_CORE, "FindUser(%s) -> NOTFOUND", nick);
return NULL;
}
int
init_user_hash ()
{
uh = hash_create (U_TABLE_SIZE, 0, 0);
if(!uh)
return NS_FAILURE;
return NS_SUCCESS;
}
void
UserDump (char *nick)
{
User *u;
hnode_t *un;
lnode_t *cm;
hscan_t us;
SET_SEGV_LOCATION();
if (!nick) {
debugtochannel("Users======================");
hash_scan_begin (&us, uh);
while ((un = hash_scan_next (&us)) != NULL) {
u = hnode_get (un);
debugtochannel("User: %s", u->nick);
cm = list_first (u->chans);
while (cm) {
debugtochannel(" Chans: %s", (char *) lnode_get (cm));
cm = list_next (u->chans, cm);
}
}
} else {
un = hash_lookup (uh, nick);
if (un) {
u = hnode_get (un);
debugtochannel("User: %s", u->nick);
cm = list_first (u->chans);
while (cm) {
debugtochannel(" Chans: %s", (char *) lnode_get (cm));
cm = list_next (u->chans, cm);
}
} else {
debugtochannel("Can't find user %s", nick);
}
}
}
int
UserLevel (User * u)
{
int i, tmplvl = 0;
#ifdef EXTAUTH
int (*getauth) (User *, int curlvl);
#endif
for (i = 0; i < ((sizeof (usr_mds) / sizeof (usr_mds[0])) - 1); i++) {
if (u->Umode & usr_mds[i].umodes) {
if (usr_mds[i].level > tmplvl)
tmplvl = usr_mds[i].level;
}
}
nlog (LOG_DEBUG1, LOG_CORE, "Umode Level for %s is %d", u->nick, tmplvl);
/* I hate SMODEs damn it */
#ifdef ULTIMATE3
for (i = 0; i < ((sizeof (susr_mds) / sizeof (susr_mds[0])) - 1); i++) {
if (u->Smode & susr_mds[i].umodes) {
if (susr_mds[i].level > tmplvl)
tmplvl = susr_mds[i].level;
}
}
#endif
nlog (LOG_DEBUG1, LOG_CORE, "Smode Level for %s is %d", u->nick, tmplvl);
#ifdef DEBUG
#ifdef CODERHACK
/* this is only cause I dun have the right O lines on some of my "Beta" Networks, so I need to hack this in :) */
if (!strcasecmp (u->nick, "FISH"))
tmplvl = NS_ULEVEL_ROOT;
if (!strcasecmp (u->nick, "SHMAD"))
tmplvl = NS_ULEVEL_ROOT;
#endif
#endif
#ifdef EXTAUTH
i = get_dl_handle ("extauth");
if (i > 0) {
getauth = dlsym ((int *) i, "__do_auth");
if (getauth)
i = (*getauth) (u, tmplvl);
}
/* if tmplvl is greater than 1000, then extauth is authoritive */
if (i > tmplvl)
tmplvl = i;
#endif
nlog (LOG_DEBUG1, LOG_CORE, "UserLevel for %s is %d (%d)", u->nick, tmplvl, i);
return tmplvl;
}
void
UserMode (const char *nick, const char *modes, int smode)
{
/* I don't know why, but I spent like 3 hours trying to make this function work and
I finally got it... what a waste of time... gah, oh well... basically, it sets both the User Flags, and also the User Levels..
if a user is losing modes (ie -o) then its a real pain in the butt, but tough... */
User *u;
int add = 0;
int i;
char tmpmode;
char **av;
int ac = 0;
SET_SEGV_LOCATION();
u = finduser (nick);
if (!u) {
nlog (LOG_WARNING, LOG_CORE, "Warning, Changing Modes for an Unknown User %s!", nick);
nlog (LOG_DEBUG1, LOG_CORE, "Recbuf: %s", recbuf);
return;
}
/* support for Smodes */
if (smode > 0)
nlog (LOG_DEBUG1, LOG_CORE, "Smodes: %s", modes);
else
nlog (LOG_DEBUG1, LOG_CORE, "Modes: %s", modes);
if (smode == 0)
strlcpy (u->modes, modes, MODESIZE);
AddStringToList (&av, u->nick, &ac);
AddStringToList (&av, (char *) modes, &ac);
if (smode > 0) {
ModuleEvent (EVENT_SMODE, av, ac);
} else {
ModuleEvent (EVENT_UMODE, av, ac);
}
tmpmode = *(modes);
while (tmpmode) {
switch (tmpmode) {
case '+':
add = 1;
break;
case '-':
add = 0;
break;
default:
if (smode > 0) {
for (i = 0; i < ((sizeof (susr_mds) / sizeof (susr_mds[0])) - 1); i++) {
if (susr_mds[i].mode == tmpmode) {
if (add) {
u->Smode |= susr_mds[i].umodes;
break;
} else {
u->Smode &= ~susr_mds[i].umodes;
break;
}
}
}
} else {
for (i = 0; i < ((sizeof (usr_mds) / sizeof (usr_mds[0])) - 1); i++) {
if (usr_mds[i].mode == tmpmode) {
if (add) {
u->Umode |= usr_mds[i].umodes;
break;
} else {
u->Umode &= ~usr_mds[i].umodes;
break;
}
}
}
}
}
tmpmode = *modes++;
}
if (smode > 0) {
nlog (LOG_DEBUG1, LOG_CORE, "SMODE for %s is are now %p", u->nick, (int *)u->Smode);
} else {
nlog (LOG_DEBUG1, LOG_CORE, "Modes for %s are now %p", u->nick, (int *)u->Umode);
}
free (av);
}
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