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nickserv.c
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/* NickServ functions.
*
* Magick IRC Services are copyright (c) 1996-1998 Preston A. Elder.
* E-mail: <[email protected]> IRC: PreZ@RelicNet
* Originally based on EsperNet services (c) 1996-1998 Andy Church
* This program is free but copyrighted software; see the file COPYING for
* details.
*/
#include "services.h"
NickInfo *nicklists[256]; /* One for each initial character */
char s_NickServ[NICKMAX];
#include "ns-help.c"
Timeout *timeouts = NULL;
char nickserv_db[512];
int nick_expire = 21;
int release_timeout = 60;
int wait_collide = 0;
int passfail_max = 5;
int nickhold = 0;
int killlist_size = 0;
struct KillList {
char nick[NICKMAX];
time_t time;
} *killlist;
/* Stats */
int S_nick_reg = 0, S_nick_drop = 0, S_nick_ghost = 0, S_nick_kill = 0;
int S_nick_ident = 0, S_nick_link = 0, S_nick_recover = 0, S_nick_release = 0;
int S_nick_getpass = 0, S_nick_forbid = 0, S_nick_suspend = 0, S_nick_unsuspend = 0;
static int is_on_access (User * u, NickInfo * ni);
static void alpha_insert_nick (NickInfo * ni);
static NickInfo *makenick (const char *nick);
static void collide (NickInfo * ni);
static void release (NickInfo * ni);
static void add_timeout (NickInfo * ni, int type, time_t delay);
static void del_timeout (NickInfo * ni, int type);
static void do_help (const char *source);
static void do_register (const char *source);
static void do_link (const char *source);
static void do_identify (const char *source);
static void do_slaves (const char *source);
static void do_drop (const char *source);
static void do_slavedrop (const char *source);
static void do_set (const char *source);
static void do_set_password (NickInfo * ni, char *param);
static void do_set_email (NickInfo * ni, char *param);
static void do_set_url (NickInfo * ni, char *param);
static void do_set_kill (NickInfo * ni, char *param);
static void do_set_private (NickInfo * ni, char *param);
static void do_set_secure (NickInfo * ni, char *param);
static void do_set_ircop (NickInfo * ni, char *param);
static void do_set_privmsg (NickInfo * ni, char *param);
static void do_access (const char *source);
static int do_access_help (const char *source, char *cmd, char *nick);
static void do_access_add (const char *source);
static void do_access_current (const char *source);
static void do_access_del (const char *source);
static void do_access_list (const char *source);
static void do_ignore (const char *source);
static int do_ignore_help (const char *source, char *cmd, char *nick);
static void do_ignore_add (const char *source);
static void do_ignore_del (const char *source);
static void do_ignore_list (const char *source);
static void do_deop (const char *source);
static void do_info (const char *source);
static void do_list (const char *source);
static void do_listoper (const char *source);
static void do_recover (const char *source);
static void do_release (const char *source);
static void do_ghost (const char *source);
static void do_getpass (const char *source);
static void do_forbid (const char *source);
static void do_suspend (const char *source);
static void do_unsuspend (const char *source);
static void do_status (const char *source);
/*************************************************************************/
/* Display total number of registered nicks and info about each; or, if
* a specific nick is given, display information about that nick (like
* /msg NickServ INFO <nick>). If count_only != 0, then only display the
* number of registered nicks (the nick parameter is ignored).
*/
#define CR printf ("\n");
void
listnicks (int count_only, const char *nick)
{
long count = 0;
NickInfo *ni, *hni;
int i;
if (count_only)
{
for (i = 33; i < 256; ++i)
for (ni = nicklists[i]; ni; ni = ni->next)
++count;
printf (NS_INFO_COUNT, count); CR
}
else if (nick)
{
char buf[BUFSIZE];
long flags;
if (!(ni = findnick (nick)))
{
printf (NS_NOT_REGISTERED, nick); CR
return;
}
else if (ni->flags & NI_VERBOTEN)
{
printf (NS_CANNOT_REGISTER, ni->nick); CR
return;
}
flags = getflags (ni);
hni = host (ni);
printf (NS_INFO_INTRO, ni->nick, ni->last_realname); CR
if (flags & NI_SLAVE) {
printf (NS_INFO_HOST, ni->last_usermask); CR
}
if (host (ni)->email) {
printf (NS_INFO_EMAIL, hni->email); CR
}
if (host (ni)->url) {
printf (NS_INFO_URL, hni->url); CR
}
if (flags & NI_SUSPENDED) {
printf (NS_INFO_SUSPENDED, hni->last_usermask); CR
} else if (!userisnick (hni->nick) && !slaveonline(hni->nick) &&
strlen(hni->last_usermask)) {
printf (NS_INFO_USERMASK, hni->last_usermask); CR
}
printf (NS_INFO_REGISTERED, time_ago (ni->time_registered, 1)); CR
if (slaveonline (hni->nick) || userisnick (hni->nick))
{
char *slaves;
NickInfo *sni;
int sc = slavecount (ni->nick);
slaves = smalloc (((sc + 1) * NICKMAX) + ((sc + 1) * 2));
if (stricmp (ni->nick, hni->nick) != 0 && userisnick (hni->nick))
strcpy (slaves, finduser (hni->nick)->nick);
else
*slaves = 0;
for (i = sc; i; i--)
{
sni = slave (hni->nick, i);
if (userisnick (sni->nick) && stricmp (sni->nick, ni->nick) != 0)
{
if (*slaves)
strcat (slaves, ", ");
strcat (slaves, sni->nick);
}
}
if (*slaves) {
printf (userisnick (ni->nick) ?
NS_INFO_AONLINE_AS : NS_INFO_ONLINE_AS, slaves); CR
}
if (slaves)
free (slaves);
}
else
{
if (!userisnick (ni->nick))
{
printf (NS_INFO_LAST_SEEN, time_ago (ni->last_seen, 1)); CR
if (!slaveonline (hni->nick) && !userisnick (hni->nick) &&
(ni->last_seen != hni->last_seen)) {
printf (NS_INFO_LAST_ONLINE, time_ago (hni->last_seen, 1)); CR
}
}
}
*buf = 0;
if (flags & NI_SUSPENDED)
strcat (buf, NS_FLAG_SUSPENDED);
else
{
if (flags & NI_KILLPROTECT)
strcat (buf, NS_FLAG_KILLPROTECT);
if (flags & NI_SECURE)
{
if (*buf)
strcat (buf, ", ");
strcat (buf, NS_FLAG_SECURE);
}
if (flags & NI_PRIVATE)
{
if (*buf)
strcat (buf, ", ");
strcat (buf, NS_FLAG_PRIVATE);
}
if (flags & NI_IRCOP)
{
load_sop();
if (*buf)
strcat (buf, ", ");
if (is_justservices_op (nick))
strcat (buf, NS_FLAG_SOP);
else
strcat (buf, NS_FLAG_IRCOP);
}
if (!*buf)
strscpy (buf, NS_FLAG_NONE, BUFSIZE);
}
printf (NS_INFO_OPTIONS, buf); CR
if (userisnick (ni->nick) && !(flags & NI_SUSPENDED)) {
printf (NS_IN_USE, finduser (nick)->nick); CR
}
if (show_sync_on==TRUE) {
printf (INFO_SYNC_TIME,
disect_time((last_update+update_timeout)-time(NULL), 0)); CR
}
}
else
{
for (i = 33; i < 256; ++i)
for (ni = nicklists[i]; ni; ni = ni->next)
{
printf (" %-20s %s\n", ni->nick,
ni->flags & NI_VERBOTEN ? "Disallowed (FORBID)"
: getflags (ni) & NI_SUSPENDED ? "Disallowed (SUSPEND)"
: host(ni)->last_usermask ? host(ni)->last_usermask
: "");
++count;
}
printf (NS_INFO_COUNT, count); CR
}
}
/*************************************************************************/
/* Return information on memory use. Assumes pointers are valid. */
void
get_nickserv_stats (long *nrec, long *memuse)
{
long count = 0, mem = 0;
int i, j;
NickInfo *ni;
char **accptr;
for (i = 0; i < 256; i++)
for (ni = nicklists[i]; ni; ni = ni->next)
{
count++;
mem += sizeof (*ni);
if (ni->last_usermask)
mem += strlen (ni->last_usermask) + 1;
if (ni->last_realname)
mem += strlen (ni->last_realname) + 1;
mem += sizeof (char *) * ni->accesscount;
for (accptr = ni->access, j = 0; j < ni->accesscount; accptr++, j++)
if (*accptr)
mem += strlen (*accptr) + 1;
}
*nrec = count;
*memuse = mem;
}
/*************************************************************************/
/*************************************************************************/
/* Main NickServ routine. */
void
nickserv (const char *source, char *buf)
{
char *cmd, *s;
cmd = strtok (buf, " ");
if (!cmd)
return;
else if (stricmp (cmd, "\1PING") == 0)
{
if (!(s = strtok (NULL, "")))
s = "\1";
notice (s_NickServ, source, "\1PING %s", s);
}
else
{
Hash *command, hash_table[] =
{
{"HELP", H_NONE, do_help},
{"REG*", H_NONE, do_register},
{"*LINK*", H_NONE, do_link},
{"ID*", H_NONE, do_identify},
{"S*DROP", H_NONE, do_slavedrop},
{"DROP*S", H_NONE, do_slavedrop},
{"DROP*", H_NONE, do_drop},
{"SLAVE*", H_NONE, do_slaves},
{"SET*", H_NONE, do_set},
{"ACC*", H_NONE, do_access},
{"*INFO", H_NONE, do_info},
{"LIST", H_NONE, do_list},
{"U*LIST", H_NONE, do_list},
{"LISTU*", H_NONE, do_list},
{"REC*", H_NONE, do_recover},
{"REL*", H_NONE, do_release},
{"GHOST", H_NONE, do_ghost},
{"IGN*", H_NONE, do_ignore},
{"LISTO*", H_OPER, do_listoper},
{"O*LIST", H_OPER, do_listoper},
{"GETPASS", H_SOP, do_getpass},
{"FORBID", H_SOP, do_forbid},
{"SUSPEND", H_SOP, do_suspend},
{"UNSUSPEND", H_SOP, do_unsuspend},
{"DEOP*", H_SOP, do_deop},
{"STATUS", H_NONE, do_status},
{NULL}
};
if (command = get_hash (source, cmd, hash_table))
{
if(memos_on==FALSE && command->process==do_ignore)
notice (s_NickServ, source, ERR_UNKNOWN_COMMAND, cmd, s_NickServ);
else
(*command->process) (source);
}
else
notice (s_NickServ, source, ERR_UNKNOWN_COMMAND,
cmd, s_NickServ);
}
}
/*************************************************************************/
/* Load/save data files. */
void
load_ns_dbase (void)
{
FILE *f = fopen (nickserv_db, "r");
int i, j;
NickInfo *ni;
if (!f)
{
log_perror ("Can't read NickServ database %s", nickserv_db);
return;
}
switch (i = get_file_version (f, nickserv_db))
{
case 5:
case 4:
for (i = 33; i < 256; ++i)
while (fgetc (f) == 1)
{
ni = smalloc (sizeof (NickInfo));
if (1 != fread (ni, sizeof (NickInfo), 1, f))
fatal_perror ("Read error on %s", nickserv_db);
ni->flags &= ~(NI_IDENTIFIED | NI_RECOGNIZED);
alpha_insert_nick (ni);
if (ni->email) {
ni->email = read_string (f, nickserv_db);
if (!strlen(ni->email)) {
free(ni->email);
ni->email = NULL;
}
} else
ni->email = NULL;
if (ni->url) {
ni->url = read_string (f, nickserv_db);
if (!strlen(ni->url)) {
free(ni->url);
ni->url = NULL;
}
} else
ni->url = NULL;
ni->last_usermask = read_string (f, nickserv_db);
ni->last_realname = read_string (f, nickserv_db);
if (ni->accesscount)
{
char **access;
access = smalloc (sizeof (char *) * ni->accesscount);
ni->access = access;
for (j = 0; j < ni->accesscount; ++j, ++access)
*access = read_string (f, nickserv_db);
}
if (ni->ignorecount)
{
char **ignore;
ignore = smalloc (sizeof (char *) * ni->ignorecount);
ni->ignore = ignore;
for (j = 0; j < ni->ignorecount; ++j, ++ignore)
*ignore = read_string (f, nickserv_db);
}
}
break;
case 3:
{
NickInfo_V3 *old_ni;
for (i = 33; i < 256; ++i)
while (fgetc (f) == 1)
{
ni = smalloc (sizeof (NickInfo));
old_ni = smalloc (sizeof (NickInfo_V3));
if (1 != fread (old_ni, sizeof (NickInfo_V3), 1, f))
fatal_perror ("Read error on %s", nickserv_db);
strscpy(ni->nick, old_ni->nick, sizeof(ni->nick));
strscpy(ni->pass, old_ni->pass, sizeof(ni->pass));
ni->time_registered = old_ni->time_registered;
ni->last_seen = old_ni->last_seen;
ni->accesscount = old_ni->accesscount;
ni->ignorecount = old_ni->ignorecount;
ni->flags = old_ni->flags;
ni->flags &= ~(NI_IDENTIFIED | NI_RECOGNIZED);
alpha_insert_nick (ni);
if (old_ni->email)
{
old_ni->email = read_string (f, nickserv_db);
if (strlen(old_ni->email) > 0)
ni->email = old_ni->email;
else
ni->email = NULL;
}
else
ni->email = NULL;
if (old_ni->url)
{
old_ni->url = read_string (f, nickserv_db);
if (strlen(old_ni->url) > 0)
ni->url = old_ni->url;
else
ni->url = NULL;
}
else
ni->url = NULL;
old_ni->last_usermask = read_string (f, nickserv_db);
ni->last_usermask = old_ni->last_usermask;
old_ni->last_realname = read_string (f, nickserv_db);
ni->last_realname = old_ni->last_realname;
free(old_ni);
if (ni->accesscount)
{
char **access;
access = smalloc (sizeof (char *) * ni->accesscount);
ni->access = access;
for (j = 0; j < ni->accesscount; ++j, ++access)
*access = read_string (f, nickserv_db);
}
}
break;
}
case 2:
case 1:
{
NickInfo_V1 *old_ni;
for (i = 33; i < 256; ++i)
while (fgetc (f) == 1)
{
ni = smalloc (sizeof (NickInfo));
old_ni = smalloc (sizeof (NickInfo_V1));
if (1 != fread (ni, sizeof (NickInfo_V1), 1, f))
fatal_perror ("Read error on %s", nickserv_db);
strscpy(ni->nick, old_ni->nick, sizeof(ni->nick));
strscpy(ni->pass, old_ni->pass, sizeof(ni->pass));
ni->time_registered = old_ni->time_registered;
ni->last_seen = old_ni->last_seen;
ni->accesscount = old_ni->accesscount;
ni->flags = old_ni->flags;
ni->flags &= ~(NI_IDENTIFIED | NI_RECOGNIZED);
alpha_insert_nick (ni);
old_ni->last_usermask = read_string (f, nickserv_db);
ni->last_usermask = old_ni->last_usermask;
old_ni->last_realname = read_string (f, nickserv_db);
ni->last_realname = old_ni->last_realname;
free(old_ni);
if (ni->accesscount)
{
char **access;
access = smalloc (sizeof (char *) * ni->accesscount);
ni->access = access;
for (j = 0; j < ni->accesscount; ++j, ++access)
*access = read_string (f, nickserv_db);
}
}
break;
}
default:
fatal ("Unsupported version number (%d) on %s", i, nickserv_db);
} /* switch (version) */
fclose (f);
}
void
save_ns_dbase (void)
{
FILE *f;
int i, j;
NickInfo *ni;
char **access;
char **ignore;
char nickservsave[2048];
strcpy (nickservsave, nickserv_db);
strcat (nickservsave, ".save");
remove (nickservsave);
if (rename (nickserv_db, nickservsave) < 0)
log_perror ("Can't back up %s", nickserv_db);
f = fopen (nickserv_db, "w");
if (!f)
{
log_perror ("Can't write to NickServ database %s", nickserv_db);
if (rename (nickservsave, nickserv_db) < 0)
fatal_perror ("Can't restore backup of %s", nickserv_db);
return;
}
#ifndef WIN32
if (fchown (fileno (f), -1, file_gid) < 0)
log_perror ("Can't change group of %s to %d", nickserv_db, file_gid);
#endif
write_file_version (f, nickserv_db);
for (i = 33; i < 256; ++i)
{
for (ni = nicklists[i]; ni; ni = ni->next)
{
fputc (1, f);
if (1 != fwrite (ni, sizeof (NickInfo), 1, f))
fatal_perror ("Write error on %s", nickserv_db);
if (ni->email)
write_string (ni->email, f, nickserv_db);
if (ni->url)
write_string (ni->url, f, nickserv_db);
write_string (ni->last_usermask ? ni->last_usermask : "",
f, nickserv_db);
write_string (ni->last_realname ? ni->last_realname : "",
f, nickserv_db);
for (access = ni->access, j = 0; j < ni->accesscount; ++access, ++j)
write_string (*access, f, nickserv_db);
for (ignore = ni->ignore, j = 0; j < ni->ignorecount; ++ignore, ++j)
write_string (*ignore, f, nickserv_db);
}
fputc (0, f);
}
fclose (f);
remove (nickservsave);
}
/*************************************************************************/
/* Check whether a user is on the access list of the nick they're using.
* If not, send warnings as appropriate. If so (and not NI_SECURE), update
* last seen info. Return 1 if the user is valid and recognized, 0
* otherwise (note that this means an NI_SECURE nick will always return 0
* from here). */
int
validate_user (User * u)
{
NickInfo *ni, *hni;
int on_access;
if (!(ni = findnick (u->nick)) || !(hni = host (ni)))
return 0;
if (ni->flags & (NI_RECOGNIZED | NI_IDENTIFIED))
{
if (!(hni->flags & NI_SUSPENDED))
{
if (hni->last_usermask)
free (hni->last_usermask);
hni->last_usermask = smalloc (strlen (u->nick) + strlen (u->username) + strlen (u->host) + 3);
snprintf (hni->last_usermask, strlen (u->nick) + strlen (u->username) + strlen (u->host) + 3,
"%s!%s@%s", u->nick, u->username, u->host);
}
return 0; /* Why? Linked nick changing ... */
}
if (ni->flags & NI_VERBOTEN)
{
if (!i_am_backup()) {
notice (s_NickServ, u->nick, ERR_NICK_FORBIDDEN);
notice (s_NickServ, u->nick, ERR_WILL_KILL_YOU);
add_timeout (ni, TO_COLLIDE, 60);
}
return 0;
}
on_access = is_on_access (u, ni);
if (!(hni->flags & NI_SECURE) && on_access)
{
ni->flags |= NI_RECOGNIZED;
ni->last_seen = hni->last_seen = time (NULL);
if (!(hni->flags & NI_SUSPENDED))
{
if (hni->last_usermask)
free (hni->last_usermask);
hni->last_usermask = smalloc (strlen (u->nick) + strlen (u->username) + strlen (u->host) + 3);
snprintf (hni->last_usermask, strlen (u->nick) + strlen (u->username) + strlen (u->host) + 3,
"%s!%s@%s", u->nick, u->username, u->host);
}
if (ni->last_realname)
free (ni->last_realname);
ni->last_realname = sstrdup (u->realname);
#ifdef DAL_SERV
if (!i_am_backup())
send_cmd (s_NickServ, "SVSMODE %s +r", u->nick);
strscpy(u->mode, changemode ("r", u->mode), sizeof(u->mode));
#endif
return 1;
}
if (i_am_backup()) return 1;
if (hni->flags & NI_SECURE)
{
notice (s_NickServ, u->nick, ERR_NICK_SECURE);
notice (s_NickServ, u->nick, ERR_NICK_IDENTIFY, s_NickServ);
}
else
{
notice (s_NickServ, u->nick, ERR_NICK_OWNED);
notice (s_NickServ, u->nick, ERR_NICK_IDENTIFY, s_NickServ);
}
if ((hni->flags & NI_KILLPROTECT)
&& !((hni->flags & NI_SECURE) && on_access))
{
notice (s_NickServ, u->nick, ERR_WILL_KILL_YOU);
add_timeout (ni, TO_COLLIDE, 60);
}
return 0;
}
/*************************************************************************/
/* Cancel validation flags for a nick (i.e. when the user with that nick
* signs off or changes nicks). Also cancels any impending collide. */
void
cancel_user (User * u)
{
NickInfo *ni;
if (ni = findnick (u->nick))
{
if (ni->flags & (NI_IDENTIFIED | NI_RECOGNIZED))
ni->last_seen = host(ni)->last_seen = time(NULL);
ni->flags &= ~(NI_IDENTIFIED | NI_RECOGNIZED);
del_timeout (ni, TO_COLLIDE);
}
}
/*************************************************************************/
/* Check the timeout list for any pending actions. */
void
check_timeouts ()
{
Timeout *to, *to2;
time_t t = time (NULL);
User *u;
to = timeouts;
while (to)
{
if (t < to->timeout)
{
to = to->next;
continue;
}
to2 = to->next;
if (to->next)
to->next->prev = to->prev;
if (to->prev)
to->prev->next = to->next;
else
timeouts = to->next;
switch (to->type)
{
case TO_COLLIDE:
/* If they identified or don't exist anymore, don't kill them. */
if (to->ni->flags & NI_IDENTIFIED
|| !(u = finduser (to->ni->nick))
|| u->my_signon > to->settime)
break;
/* The RELEASE timeout will always add to the beginning of the
* list, so we won't see it. Which is fine because it can't be
* triggered yet anyway. */
collide (to->ni);
break;
case TO_RELEASE:
release (to->ni);
break;
default:
write_log ("%s: Unknown timeout type %d for nick %s", s_NickServ,
to->type, to->ni->nick);
}
free (to);
to = to2;
}
}
/*************************************************************************/
/* Remove all nicks which have expired. */
void
expire_nicks ()
{
NickInfo *ni, *ni2;
int i;
const time_t expire_time = nick_expire * 24 * 60 * 60;
time_t now = time (NULL);
for (i = 33; i < 256; ++i)
{
ni = nicklists[i];
while (ni)
{
if (now - ni->last_seen >= expire_time && !slavecount (ni->nick)
&& !(host(ni)->flags & (NI_VERBOTEN | NI_IRCOP)))
{
ni2 = ni->next;
write_log ("Expiring nickname %s", ni->nick);
delnick (ni);
ni = ni2;
}
else
ni = ni->next;
}
}
}
/*************************************************************************/
/* Return the NickInfo structure for the given nick, or NULL if the nick
* isn't registered. */
NickInfo *
findnick (const char *nick)
{
NickInfo *ni;
for (ni = nicklists[tolower (*nick)]; ni; ni = ni->next)
if (stricmp (ni->nick, nick) == 0)
return ni;
return NULL;
}
NickInfo *
host (NickInfo * ni)
{
if (!ni)
return NULL;
if (ni->flags & NI_SLAVE)
return findnick (ni->last_usermask);
else
return ni;
}
NickInfo *
slave (const char *nick, int num)
{
NickInfo *ni;
int i, cnt = 0;
for (i = 33; i < 256; ++i)
for (ni = nicklists[i]; ni; ni = ni->next)
{
if (stricmp (ni->last_usermask, nick) == 0)
cnt++;
if (cnt == num)
return ni;
}
return NULL;
}
int
issibling (NickInfo * ni, const char *target)
{
if (ni)
{
NickInfo *hni = host (ni);
int i;
if (stricmp (ni->nick, target) == 0)
return 1;
if (stricmp (hni->nick, target) == 0)
return 1;
for (i = slavecount (hni->nick); i; i--)
if (stricmp (target, slave (hni->nick, i)->nick) == 0)
return 1;
}
return 0;
}
int
slavecount (const char *nick)
{
NickInfo *ni;
int i, cnt = 0;
for (i = 33; i < 256; ++i)
for (ni = nicklists[i]; ni; ni = ni->next)
if (stricmp (ni->last_usermask, nick) == 0)
cnt++;
return cnt;
}
int
userisnick (const char *nick)
{
NickInfo *ni = findnick (nick);
if (!finduser (nick) || !ni)
return 0;
if ((getflags (ni) & NI_SECURE) ? (ni->flags & NI_IDENTIFIED)
: (ni->flags & (NI_RECOGNIZED | NI_IDENTIFIED)))
return 1;
return 0;
}
int
slaveonline (const char *nick)
{
int i = slavecount (nick);
for (i = slavecount (nick); i; i--)
if (userisnick (slave (nick, i)->nick))
return 1;
return 0;
}
/* Find flags (assume host's flags if there is one) */
long
getflags (NickInfo * ni)
{
NickInfo *hni = host (ni);
long flags;
if (hni)
{
flags = hni->flags;
flags &= ~NI_RECOGNIZED;
flags &= ~NI_IDENTIFIED;
flags &= ~NI_KILL_HELD;
if (ni->flags & NI_RECOGNIZED)
flags |= NI_RECOGNIZED;
if (ni->flags & NI_IDENTIFIED)
flags |= NI_IDENTIFIED;
if (ni->flags & NI_KILL_HELD)
flags |= NI_KILL_HELD;
if (ni->flags & NI_SLAVE)
flags |= NI_SLAVE;
return flags;
}
return 0;
}
/*************************************************************************/
/*********************** NickServ private routines ***********************/
/*************************************************************************/
/* Is the given user's address on the given nick's access list? Return 1
* if so, 0 if not. */
static int
is_on_access (User * u, NickInfo * ni)
{
int i;
char *buf;
NickInfo *hni = host (ni);
if (!ni || !hni) return 0;
buf = smalloc (strlen (u->username) + strlen (u->host) + 2);
snprintf (buf, strlen (u->username) + strlen (u->host) + 2, "%s@%s",
u->username, u->host);
for (i = 0; i < hni->accesscount; i++)
{
if (match_wild_nocase (hni->access[i], buf))
{
free (buf);
return 1;
}
}
free (buf);
return 0;
}
/* Is the given user's nick on the given nick's ignore list? Return 1
* if so, 0 if not. */
int
is_on_ignore (const char *source, const char *target)
{
int i;
NickInfo *ni, *hni = host (findnick (source));
char **ignore, mynick[NICKMAX];
if (hni)
strscpy (mynick, hni->nick, NICKMAX);
else
strscpy (mynick, source, NICKMAX);
if (ni = host (findnick (target)))
{
if (ni->flags & NI_SUSPENDED)
return 1;
for (ignore = ni->ignore, i = 0; i < ni->ignorecount; ++ignore, ++i)
if (stricmp (*ignore, mynick) == 0 || stricmp (*ignore, source) == 0)
return 1;
}
return 0;
}
/*************************************************************************/
/* Insert a nick alphabetically into the database. */
static void
alpha_insert_nick (NickInfo * ni)
{
NickInfo *ni2, *ni3;
char *nick = ni->nick;
for (ni3 = NULL, ni2 = nicklists[tolower (*nick)];
ni2 && stricmp (ni2->nick, nick) < 0;
ni3 = ni2, ni2 = ni2->next)
;
ni->prev = ni3;
ni->next = ni2;
if (!ni3)
nicklists[tolower (*nick)] = ni;
else
ni3->next = ni;
if (ni2)
ni2->prev = ni;
}
/*************************************************************************/
/* Add a nick to the database. Returns a pointer to the new NickInfo
* structure if the nick was successfully registered, NULL otherwise.
* Assumes nick does not already exist. */
static NickInfo *
makenick (const char *nick)
{
NickInfo *ni;
ni = scalloc (sizeof (NickInfo), 1);
strscpy (ni->nick, nick, NICKMAX);
ni->accesscount = ni->ignorecount = 0;
alpha_insert_nick (ni);
return ni;
}
/*************************************************************************/
/* Remove a nick from the NickServ database. Return 1 on success, 0
* otherwise. */
int
delnick (NickInfo * ni)
{
int i, cnt = 1;
NickInfo *hni = host (ni);
ChannelInfo *ci, *ci2;
ChanAccess *access;
int j;
/* For slave nicks (they have to be del'd last) */
for (i = slavecount (ni->nick); i; --i)
cnt += delnick (slave (ni->nick, 1));
/* Delete the user's MEMOS */
if(memos_on==TRUE)
if (services_level == 1)
{
MemoList *ml;
if (ml = find_memolist (ni->nick))
del_memolist (ml);
}
/* Delete the user from channel access lists
* and delete any channels this user owns */
if(chanserv_on==TRUE)
{
for (i = 33; i < 256; ++i)
{
ci = chanlists[i];
while (ci)
{
if (stricmp (ci->founder, ni->nick) == 0)
{