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/* |
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* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
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* |
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* Copyright (c) 1997-2014 ircd-hybrid development team |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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*/ |
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|
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/*! \file s_user.c |
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* \brief User related functions. |
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* \version $Id$ |
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*/ |
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|
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#include "stdinc.h" |
28 |
#include "list.h" |
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#include "s_user.h" |
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#include "s_misc.h" |
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#include "channel.h" |
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#include "channel_mode.h" |
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#include "client.h" |
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#include "fdlist.h" |
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#include "hash.h" |
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#include "irc_string.h" |
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#include "s_bsd.h" |
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#include "ircd.h" |
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#include "listener.h" |
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#include "motd.h" |
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#include "numeric.h" |
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#include "conf.h" |
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#include "log.h" |
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#include "s_serv.h" |
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#include "send.h" |
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#include "supported.h" |
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#include "whowas.h" |
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#include "memory.h" |
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#include "packet.h" |
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#include "rng_mt.h" |
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#include "userhost.h" |
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#include "hook.h" |
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#include "s_misc.h" |
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#include "parse.h" |
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#include "watch.h" |
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|
57 |
static char umode_buffer[IRCD_BUFSIZE]; |
58 |
|
59 |
static void user_welcome(struct Client *); |
60 |
static void report_and_set_user_flags(struct Client *, const struct MaskItem *); |
61 |
static int check_xline(struct Client *); |
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static void introduce_client(struct Client *); |
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static const char *uid_get(void); |
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|
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/* Used for building up the isupport string, |
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* used with init_isupport, add_isupport, delete_isupport |
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*/ |
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|
69 |
struct Isupport |
70 |
{ |
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dlink_node node; |
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char *name; |
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char *options; |
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int number; |
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}; |
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|
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static dlink_list support_list; |
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static dlink_list support_list_lines; |
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|
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/* memory is cheap. map 0-255 to equivalent mode */ |
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const unsigned int user_modes[256] = |
82 |
{ |
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/* 0x00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x0F */ |
84 |
/* 0x10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x1F */ |
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/* 0x20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x2F */ |
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/* 0x30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x3F */ |
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0, /* @ */ |
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0, /* A */ |
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0, /* B */ |
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0, /* C */ |
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UMODE_DEAF, /* D */ |
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0, /* E */ |
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UMODE_FARCONNECT, /* F */ |
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UMODE_SOFTCALLERID, /* G */ |
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UMODE_HIDDEN, /* H */ |
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0, /* I */ |
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0, /* J */ |
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0, /* K */ |
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0, /* L */ |
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0, /* M */ |
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0, /* N */ |
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0, /* O */ |
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0, /* P */ |
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0, /* Q */ |
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UMODE_REGONLY, /* R */ |
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UMODE_SSL, /* S */ |
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0, /* T */ |
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0, /* U */ |
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0, /* V */ |
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UMODE_WEBIRC, /* W */ |
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0, /* X */ |
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0, /* Y */ |
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0, /* Z 0x5A */ |
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0, 0, 0, 0, 0, /* 0x5F */ |
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0, /* 0x60 */ |
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UMODE_ADMIN, /* a */ |
117 |
UMODE_BOTS, /* b */ |
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UMODE_CCONN, /* c */ |
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UMODE_DEBUG, /* d */ |
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UMODE_EXTERNAL, /* e */ |
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UMODE_FULL, /* f */ |
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UMODE_CALLERID, /* g */ |
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0, /* h */ |
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UMODE_INVISIBLE, /* i */ |
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UMODE_REJ, /* j */ |
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UMODE_SKILL, /* k */ |
127 |
UMODE_LOCOPS, /* l */ |
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0, /* m */ |
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UMODE_NCHANGE, /* n */ |
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UMODE_OPER, /* o */ |
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0, /* p */ |
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0, /* q */ |
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UMODE_REGISTERED, /* r */ |
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UMODE_SERVNOTICE, /* s */ |
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0, /* t */ |
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UMODE_UNAUTH, /* u */ |
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0, /* v */ |
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UMODE_WALLOP, /* w */ |
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UMODE_HIDDENHOST, /* x */ |
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UMODE_SPY, /* y */ |
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UMODE_OPERWALL, /* z 0x7A */ |
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0,0,0,0,0, /* 0x7B - 0x7F */ |
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|
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/* 0x80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x8F */ |
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/* 0x90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x9F */ |
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/* 0xA0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xAF */ |
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/* 0xB0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xBF */ |
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/* 0xC0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xCF */ |
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/* 0xD0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xDF */ |
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/* 0xE0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xEF */ |
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/* 0xF0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 /* 0xFF */ |
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}; |
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|
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void |
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assemble_umode_buffer(void) |
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{ |
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unsigned int idx = 0; |
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char *umode_buffer_ptr = umode_buffer; |
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|
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for (; idx < (sizeof(user_modes) / sizeof(user_modes[0])); ++idx) |
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if (user_modes[idx]) |
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*umode_buffer_ptr++ = idx; |
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|
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*umode_buffer_ptr = '\0'; |
165 |
} |
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|
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/* show_lusers() |
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* |
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* inputs - pointer to client |
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* output - NONE |
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* side effects - display to client user counts etc. |
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*/ |
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void |
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show_lusers(struct Client *source_p) |
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{ |
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const char *from, *to; |
177 |
|
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if (!MyConnect(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p)) |
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{ |
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from = me.id; |
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to = source_p->id; |
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} |
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else |
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{ |
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from = me.name; |
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to = source_p->name; |
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} |
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|
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if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER)) |
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sendto_one(source_p, form_str(RPL_LUSERCLIENT), |
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from, to, (Count.total-Count.invisi), |
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Count.invisi, dlink_list_length(&global_serv_list)); |
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else |
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sendto_one(source_p, form_str(RPL_LUSERCLIENT), from, to, |
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(Count.total-Count.invisi), Count.invisi, 1); |
196 |
|
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if (Count.oper > 0) |
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sendto_one(source_p, form_str(RPL_LUSEROP), |
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from, to, Count.oper); |
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|
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if (dlink_list_length(&unknown_list) > 0) |
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sendto_one(source_p, form_str(RPL_LUSERUNKNOWN), |
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from, to, dlink_list_length(&unknown_list)); |
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|
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if (dlink_list_length(&global_channel_list) > 0) |
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sendto_one(source_p, form_str(RPL_LUSERCHANNELS), |
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from, to, dlink_list_length(&global_channel_list)); |
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|
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if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER)) |
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{ |
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sendto_one(source_p, form_str(RPL_LUSERME), |
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from, to, Count.local, Count.myserver); |
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sendto_one(source_p, form_str(RPL_LOCALUSERS), |
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from, to, Count.local, Count.max_loc); |
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} |
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else |
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{ |
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sendto_one(source_p, form_str(RPL_LUSERME), |
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from, to, Count.total, 0); |
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sendto_one(source_p, form_str(RPL_LOCALUSERS), |
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from, to, Count.total, Count.max_tot); |
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} |
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|
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sendto_one(source_p, form_str(RPL_GLOBALUSERS), |
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from, to, Count.total, Count.max_tot); |
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|
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if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER)) |
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sendto_one(source_p, form_str(RPL_STATSCONN), from, to, |
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Count.max_loc_con, Count.max_loc_cli, Count.totalrestartcount); |
230 |
|
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if (Count.local > Count.max_loc_cli) |
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Count.max_loc_cli = Count.local; |
233 |
|
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if ((Count.local + Count.myserver) > Count.max_loc_con) |
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Count.max_loc_con = Count.local + Count.myserver; |
236 |
} |
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|
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/* show_isupport() |
239 |
* |
240 |
* inputs - pointer to client |
241 |
* output - NONE |
242 |
* side effects - display to client what we support (for them) |
243 |
*/ |
244 |
void |
245 |
show_isupport(struct Client *source_p) |
246 |
{ |
247 |
const dlink_node *ptr = NULL; |
248 |
|
249 |
DLINK_FOREACH(ptr, support_list_lines.head) |
250 |
sendto_one(source_p, form_str(RPL_ISUPPORT), me.name, |
251 |
source_p->name, ptr->data); |
252 |
} |
253 |
|
254 |
/* |
255 |
** register_local_user |
256 |
** This function is called when both NICK and USER messages |
257 |
** have been accepted for the client, in whatever order. Only |
258 |
** after this, is the USER message propagated. |
259 |
** |
260 |
** NICK's must be propagated at once when received, although |
261 |
** it would be better to delay them too until full info is |
262 |
** available. Doing it is not so simple though, would have |
263 |
** to implement the following: |
264 |
** |
265 |
** (actually it has been implemented already for a while) -orabidoo |
266 |
** |
267 |
** 1) user telnets in and gives only "NICK foobar" and waits |
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** 2) another user far away logs in normally with the nick |
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** "foobar" (quite legal, as this server didn't propagate |
270 |
** it). |
271 |
** 3) now this server gets nick "foobar" from outside, but |
272 |
** has alread the same defined locally. Current server |
273 |
** would just issue "KILL foobar" to clean out dups. But, |
274 |
** this is not fair. It should actually request another |
275 |
** nick from local user or kill him/her... |
276 |
*/ |
277 |
void |
278 |
register_local_user(struct Client *source_p) |
279 |
{ |
280 |
const char *id = NULL; |
281 |
const struct MaskItem *conf = NULL; |
282 |
|
283 |
assert(source_p != NULL); |
284 |
assert(source_p == source_p->from); |
285 |
assert(MyConnect(source_p)); |
286 |
assert(!source_p->localClient->registration); |
287 |
|
288 |
ClearCap(source_p, CAP_TS6); |
289 |
|
290 |
if (ConfigFileEntry.ping_cookie) |
291 |
{ |
292 |
if (!IsPingSent(source_p) && !source_p->localClient->random_ping) |
293 |
{ |
294 |
do |
295 |
source_p->localClient->random_ping = genrand_int32(); |
296 |
while (!source_p->localClient->random_ping); |
297 |
|
298 |
sendto_one(source_p, "PING :%u", |
299 |
source_p->localClient->random_ping); |
300 |
SetPingSent(source_p); |
301 |
return; |
302 |
} |
303 |
|
304 |
if (!HasPingCookie(source_p)) |
305 |
return; |
306 |
} |
307 |
|
308 |
source_p->localClient->last_privmsg = CurrentTime; |
309 |
/* Straight up the maximum rate of flooding... */ |
310 |
source_p->localClient->allow_read = MAX_FLOOD_BURST; |
311 |
|
312 |
if (!check_client(source_p)) |
313 |
return; |
314 |
|
315 |
if (!valid_hostname(source_p->host)) |
316 |
{ |
317 |
sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You have an illegal " |
318 |
"character in your hostname", me.name, source_p->name); |
319 |
strlcpy(source_p->host, source_p->sockhost, |
320 |
sizeof(source_p->host)); |
321 |
} |
322 |
|
323 |
conf = source_p->localClient->confs.head->data; |
324 |
|
325 |
if (!IsGotId(source_p)) |
326 |
{ |
327 |
char username[USERLEN + 1]; |
328 |
const char *p = username; |
329 |
unsigned int i = 0; |
330 |
|
331 |
if (IsNeedIdentd(conf)) |
332 |
{ |
333 |
++ServerStats.is_ref; |
334 |
sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You need to install " |
335 |
"identd to use this server", me.name, source_p->name); |
336 |
exit_client(source_p, &me, "Install identd"); |
337 |
return; |
338 |
} |
339 |
|
340 |
strlcpy(username, source_p->username, sizeof(username)); |
341 |
|
342 |
if (!IsNoTilde(conf)) |
343 |
source_p->username[i++] = '~'; |
344 |
|
345 |
for (; *p && i < USERLEN; ++p) |
346 |
if (*p != '[') |
347 |
source_p->username[i++] = *p; |
348 |
|
349 |
source_p->username[i] = '\0'; |
350 |
} |
351 |
|
352 |
/* password check */ |
353 |
if (!EmptyString(conf->passwd)) |
354 |
{ |
355 |
const char *pass = source_p->localClient->passwd; |
356 |
|
357 |
if (!match_conf_password(pass, conf)) |
358 |
{ |
359 |
++ServerStats.is_ref; |
360 |
sendto_one(source_p, form_str(ERR_PASSWDMISMATCH), |
361 |
me.name, source_p->name); |
362 |
exit_client(source_p, &me, "Bad Password"); |
363 |
return; |
364 |
} |
365 |
} |
366 |
|
367 |
/* don't free source_p->localClient->passwd here - it can be required |
368 |
* by masked /stats I if there are auth{} blocks with need_password = no; |
369 |
* --adx |
370 |
*/ |
371 |
|
372 |
/* report if user has &^>= etc. and set flags as needed in source_p */ |
373 |
report_and_set_user_flags(source_p, conf); |
374 |
|
375 |
if (IsDead(source_p)) |
376 |
return; |
377 |
|
378 |
/* Limit clients - |
379 |
* We want to be able to have servers and F-line clients |
380 |
* connect, so save room for "buffer" connections. |
381 |
* Smaller servers may want to decrease this, and it should |
382 |
* probably be just a percentage of the MAXCLIENTS... |
383 |
* -Taner |
384 |
*/ |
385 |
/* Except "F:" clients */ |
386 |
if ((Count.local >= ServerInfo.max_clients + MAX_BUFFER) || |
387 |
(Count.local >= ServerInfo.max_clients && !IsExemptLimits(source_p))) |
388 |
{ |
389 |
sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE, |
390 |
"Too many clients, rejecting %s[%s].", |
391 |
source_p->name, source_p->host); |
392 |
++ServerStats.is_ref; |
393 |
exit_client(source_p, &me, "Sorry, server is full - try later"); |
394 |
return; |
395 |
} |
396 |
|
397 |
/* valid user name check */ |
398 |
if (!valid_username(source_p->username, 1)) |
399 |
{ |
400 |
char tmpstr2[IRCD_BUFSIZE]; |
401 |
|
402 |
sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE, |
403 |
"Invalid username: %s (%s@%s)", |
404 |
source_p->name, source_p->username, source_p->host); |
405 |
++ServerStats.is_ref; |
406 |
snprintf(tmpstr2, sizeof(tmpstr2), "Invalid username [%s]", |
407 |
source_p->username); |
408 |
exit_client(source_p, &me, tmpstr2); |
409 |
return; |
410 |
} |
411 |
|
412 |
if (check_xline(source_p)) |
413 |
return; |
414 |
|
415 |
while (hash_find_id((id = uid_get())) != NULL) |
416 |
; |
417 |
|
418 |
strlcpy(source_p->id, id, sizeof(source_p->id)); |
419 |
hash_add_id(source_p); |
420 |
|
421 |
sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE, |
422 |
"Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>", |
423 |
source_p->name, source_p->username, source_p->host, |
424 |
ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ? |
425 |
"255.255.255.255" : source_p->sockhost, |
426 |
get_client_class(&source_p->localClient->confs), |
427 |
source_p->info, source_p->id); |
428 |
|
429 |
if (ConfigFileEntry.invisible_on_connect) |
430 |
{ |
431 |
AddUMode(source_p, UMODE_INVISIBLE); |
432 |
++Count.invisi; |
433 |
} |
434 |
|
435 |
if (++Count.local > Count.max_loc) |
436 |
{ |
437 |
Count.max_loc = Count.local; |
438 |
|
439 |
if (!(Count.max_loc % 10)) |
440 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
441 |
"New Max Local Clients: %d", |
442 |
Count.max_loc); |
443 |
} |
444 |
|
445 |
/* Increment our total user count here */ |
446 |
if (++Count.total > Count.max_tot) |
447 |
Count.max_tot = Count.total; |
448 |
++Count.totalrestartcount; |
449 |
|
450 |
assert(source_p->servptr == &me); |
451 |
SetClient(source_p); |
452 |
dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list); |
453 |
|
454 |
source_p->localClient->allow_read = MAX_FLOOD_BURST; |
455 |
|
456 |
assert(dlinkFind(&unknown_list, source_p)); |
457 |
|
458 |
dlink_move_node(&source_p->localClient->lclient_node, |
459 |
&unknown_list, &local_client_list); |
460 |
|
461 |
user_welcome(source_p); |
462 |
add_user_host(source_p->username, source_p->host, 0); |
463 |
SetUserHost(source_p); |
464 |
|
465 |
introduce_client(source_p); |
466 |
} |
467 |
|
468 |
/* register_remote_user() |
469 |
* |
470 |
* inputs - source_p remote or directly connected client |
471 |
* - username to register as |
472 |
* - host name to register as |
473 |
* - server name |
474 |
* - realname (gecos) |
475 |
* output - NONE |
476 |
* side effects - This function is called when a remote client |
477 |
* is introduced by a server. |
478 |
*/ |
479 |
void |
480 |
register_remote_user(struct Client *source_p, |
481 |
const char *username, const char *host, const char *server, |
482 |
const char *realname) |
483 |
{ |
484 |
struct Client *target_p = NULL; |
485 |
|
486 |
assert(source_p != NULL); |
487 |
assert(source_p->username != username); |
488 |
|
489 |
strlcpy(source_p->host, host, sizeof(source_p->host)); |
490 |
strlcpy(source_p->username, username, sizeof(source_p->username)); |
491 |
|
492 |
/* |
493 |
* coming from another server, take the servers word for it |
494 |
*/ |
495 |
source_p->servptr = hash_find_server(server); |
496 |
|
497 |
/* |
498 |
* Super GhostDetect: |
499 |
* If we can't find the server the user is supposed to be on, |
500 |
* then simply blow the user away. -Taner |
501 |
*/ |
502 |
if (source_p->servptr == NULL) |
503 |
{ |
504 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
505 |
"No server %s for user %s[%s@%s] from %s", |
506 |
server, source_p->name, source_p->username, |
507 |
source_p->host, source_p->from->name); |
508 |
kill_client(source_p->from, source_p, "%s (Server doesn't exist)", me.name); |
509 |
|
510 |
AddFlag(source_p, FLAGS_KILLED); |
511 |
exit_client(source_p, &me, "Ghosted Client"); |
512 |
return; |
513 |
} |
514 |
|
515 |
if ((target_p = source_p->servptr) && target_p->from != source_p->from) |
516 |
{ |
517 |
sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE, |
518 |
"Bad User [%s] :%s USER %s@%s %s, != %s[%s]", |
519 |
source_p->from->name, source_p->name, source_p->username, |
520 |
source_p->host, source_p->servptr->name, |
521 |
target_p->name, target_p->from->name); |
522 |
kill_client(source_p->from, source_p, |
523 |
"%s (NICK from wrong direction (%s != %s))", |
524 |
me.name, source_p->servptr->name, target_p->from->name); |
525 |
AddFlag(source_p, FLAGS_KILLED); |
526 |
exit_client(source_p, &me, "USER server wrong direction"); |
527 |
return; |
528 |
} |
529 |
|
530 |
/* |
531 |
* If the nick has been introduced by a services server, |
532 |
* make it a service as well. |
533 |
*/ |
534 |
if (HasFlag(source_p->servptr, FLAGS_SERVICE)) |
535 |
AddFlag(source_p, FLAGS_SERVICE); |
536 |
|
537 |
/* Increment our total user count here */ |
538 |
if (++Count.total > Count.max_tot) |
539 |
Count.max_tot = Count.total; |
540 |
|
541 |
SetClient(source_p); |
542 |
dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list); |
543 |
add_user_host(source_p->username, source_p->host, 1); |
544 |
SetUserHost(source_p); |
545 |
|
546 |
if (HasFlag(source_p->servptr, FLAGS_EOB)) |
547 |
sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE, |
548 |
"Client connecting at %s: %s (%s@%s) [%s] <%s>", |
549 |
source_p->servptr->name, |
550 |
source_p->name, source_p->username, source_p->host, |
551 |
source_p->info, source_p->id); |
552 |
|
553 |
introduce_client(source_p); |
554 |
} |
555 |
|
556 |
/* introduce_client() |
557 |
* |
558 |
* inputs - source_p |
559 |
* output - NONE |
560 |
* side effects - This common function introduces a client to the rest |
561 |
* of the net, either from a local client connect or |
562 |
* from a remote connect. |
563 |
*/ |
564 |
static void |
565 |
introduce_client(struct Client *source_p) |
566 |
{ |
567 |
dlink_node *server_node = NULL; |
568 |
char ubuf[IRCD_BUFSIZE]; |
569 |
|
570 |
if (MyClient(source_p)) |
571 |
send_umode(source_p, source_p, 0, SEND_UMODES, ubuf); |
572 |
else |
573 |
send_umode(NULL, source_p, 0, SEND_UMODES, ubuf); |
574 |
|
575 |
watch_check_hash(source_p, RPL_LOGON); |
576 |
|
577 |
if (ubuf[0] == '\0') |
578 |
{ |
579 |
ubuf[0] = '+'; |
580 |
ubuf[1] = '\0'; |
581 |
} |
582 |
|
583 |
DLINK_FOREACH(server_node, serv_list.head) |
584 |
{ |
585 |
struct Client *server = server_node->data; |
586 |
|
587 |
if (server == source_p->from) |
588 |
continue; |
589 |
|
590 |
if (IsCapable(server, CAP_SVS)) |
591 |
{ |
592 |
if (IsCapable(server, CAP_TS6) && HasID(source_p)) |
593 |
sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s %s :%s", |
594 |
source_p->servptr->id, |
595 |
source_p->name, source_p->hopcount+1, |
596 |
(unsigned long)source_p->tsinfo, |
597 |
ubuf, source_p->username, source_p->host, |
598 |
(MyClient(source_p) && IsIPSpoof(source_p)) ? |
599 |
"0" : source_p->sockhost, source_p->id, |
600 |
source_p->svid, |
601 |
source_p->info); |
602 |
else |
603 |
sendto_one(server, "NICK %s %d %lu %s %s %s %s %s :%s", |
604 |
source_p->name, source_p->hopcount+1, |
605 |
(unsigned long)source_p->tsinfo, |
606 |
ubuf, source_p->username, source_p->host, |
607 |
source_p->servptr->name, source_p->svid, |
608 |
source_p->info); |
609 |
|
610 |
} |
611 |
else |
612 |
{ |
613 |
if (IsCapable(server, CAP_TS6) && HasID(source_p)) |
614 |
sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s :%s", |
615 |
source_p->servptr->id, |
616 |
source_p->name, source_p->hopcount+1, |
617 |
(unsigned long)source_p->tsinfo, |
618 |
ubuf, source_p->username, source_p->host, |
619 |
(MyClient(source_p) && IsIPSpoof(source_p)) ? |
620 |
"0" : source_p->sockhost, source_p->id, source_p->info); |
621 |
else |
622 |
sendto_one(server, "NICK %s %d %lu %s %s %s %s :%s", |
623 |
source_p->name, source_p->hopcount+1, |
624 |
(unsigned long)source_p->tsinfo, |
625 |
ubuf, source_p->username, source_p->host, |
626 |
source_p->servptr->name, source_p->info); |
627 |
} |
628 |
|
629 |
if (!EmptyString(source_p->certfp)) |
630 |
sendto_one(server, ":%s CERTFP %s", ID(source_p), source_p->certfp); |
631 |
} |
632 |
} |
633 |
|
634 |
/* valid_hostname() |
635 |
* |
636 |
* Inputs - pointer to hostname |
637 |
* Output - 1 if valid, 0 if not |
638 |
* Side effects - check hostname for validity |
639 |
* |
640 |
* NOTE: this doesn't allow a hostname to begin with a dot and |
641 |
* will not allow more dots than chars. |
642 |
*/ |
643 |
int |
644 |
valid_hostname(const char *hostname) |
645 |
{ |
646 |
const char *p = hostname; |
647 |
|
648 |
assert(p != NULL); |
649 |
|
650 |
if (EmptyString(p) || *p == '.' || *p == ':') |
651 |
return 0; |
652 |
|
653 |
for (; *p; ++p) |
654 |
if (!IsHostChar(*p)) |
655 |
return 0; |
656 |
|
657 |
return p - hostname <= HOSTLEN; |
658 |
} |
659 |
|
660 |
/* valid_username() |
661 |
* |
662 |
* Inputs - pointer to user |
663 |
* Output - 1 if valid, 0 if not |
664 |
* Side effects - check username for validity |
665 |
* |
666 |
* Absolutely always reject any '*' '!' '?' '@' in an user name |
667 |
* reject any odd control characters names. |
668 |
* Allow '.' in username to allow for "first.last" |
669 |
* style of username |
670 |
*/ |
671 |
int |
672 |
valid_username(const char *username, const int local) |
673 |
{ |
674 |
int dots = 0; |
675 |
const char *p = username; |
676 |
|
677 |
assert(p != NULL); |
678 |
|
679 |
if (*p == '~') |
680 |
++p; |
681 |
|
682 |
/* |
683 |
* Reject usernames that don't start with an alphanum |
684 |
* i.e. reject jokers who have '-@somehost' or '.@somehost' |
685 |
* or "-hi-@somehost", "h-----@somehost" would still be accepted. |
686 |
*/ |
687 |
if (!IsAlNum(*p)) |
688 |
return 0; |
689 |
|
690 |
if (local) |
691 |
{ |
692 |
while (*++p) |
693 |
{ |
694 |
if ((*p == '.') && ConfigFileEntry.dots_in_ident) |
695 |
{ |
696 |
if (++dots > ConfigFileEntry.dots_in_ident) |
697 |
return 0; |
698 |
if (!IsUserChar(*(p + 1))) |
699 |
return 0; |
700 |
} |
701 |
else if (!IsUserChar(*p)) |
702 |
return 0; |
703 |
} |
704 |
} |
705 |
else |
706 |
{ |
707 |
while (*++p) |
708 |
if (!IsUserChar(*p)) |
709 |
return 0; |
710 |
} |
711 |
|
712 |
return p - username <= USERLEN;; |
713 |
} |
714 |
|
715 |
/* clean_nick_name() |
716 |
* |
717 |
* input - nickname |
718 |
* - whether it's a local nick (1) or remote (0) |
719 |
* output - none |
720 |
* side effects - walks through the nickname, returning 0 if erroneous |
721 |
*/ |
722 |
int |
723 |
valid_nickname(const char *nickname, const int local) |
724 |
{ |
725 |
const char *p = nickname; |
726 |
assert(nickname && *nickname); |
727 |
|
728 |
/* nicks can't start with a digit or - or be 0 length */ |
729 |
/* This closer duplicates behaviour of hybrid-6 */ |
730 |
if (*p == '-' || (IsDigit(*p) && local) || *p == '\0') |
731 |
return 0; |
732 |
|
733 |
for (; *p; ++p) |
734 |
if (!IsNickChar(*p)) |
735 |
return 0; |
736 |
|
737 |
return p - nickname <= NICKLEN; |
738 |
} |
739 |
|
740 |
/* report_and_set_user_flags() |
741 |
* |
742 |
* inputs - pointer to source_p |
743 |
* - pointer to conf for this user |
744 |
* output - NONE |
745 |
* side effects - Report to user any special flags |
746 |
* they are getting, and set them. |
747 |
*/ |
748 |
static void |
749 |
report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf) |
750 |
{ |
751 |
/* If this user is being spoofed, tell them so */ |
752 |
if (IsConfDoSpoofIp(conf)) |
753 |
sendto_one(source_p, |
754 |
":%s NOTICE %s :*** Spoofing your IP. Congrats.", |
755 |
me.name, source_p->name); |
756 |
|
757 |
/* If this user is in the exception class, Set it "E lined" */ |
758 |
if (IsConfExemptKline(conf)) |
759 |
{ |
760 |
SetExemptKline(source_p); |
761 |
sendto_one(source_p, |
762 |
":%s NOTICE %s :*** You are exempt from K/D/G lines. Congrats.", |
763 |
me.name, source_p->name); |
764 |
} |
765 |
|
766 |
/* |
767 |
* The else here is to make sure that G line exempt users |
768 |
* do not get noticed twice. |
769 |
*/ |
770 |
else if (IsConfExemptGline(conf)) |
771 |
{ |
772 |
SetExemptGline(source_p); |
773 |
sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from G lines. Congrats.", |
774 |
me.name, source_p->name); |
775 |
} |
776 |
|
777 |
if (IsConfExemptResv(conf)) |
778 |
{ |
779 |
SetExemptResv(source_p); |
780 |
sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from resvs. Congrats.", |
781 |
me.name, source_p->name); |
782 |
} |
783 |
|
784 |
/* If this user is exempt from user limits set it "F lined" */ |
785 |
if (IsConfExemptLimits(conf)) |
786 |
{ |
787 |
SetExemptLimits(source_p); |
788 |
sendto_one(source_p, |
789 |
":%s NOTICE %s :*** You are exempt from user limits. Congrats.", |
790 |
me.name,source_p->name); |
791 |
} |
792 |
|
793 |
if (IsConfCanFlood(conf)) |
794 |
{ |
795 |
SetCanFlood(source_p); |
796 |
sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from flood " |
797 |
"protection, aren't you fearsome.", |
798 |
me.name, source_p->name); |
799 |
} |
800 |
} |
801 |
|
802 |
/* set_user_mode() |
803 |
* |
804 |
* added 15/10/91 By Darren Reed. |
805 |
* parv[0] - sender |
806 |
* parv[1] - username to change mode for |
807 |
* parv[2] - modes to change |
808 |
*/ |
809 |
void |
810 |
set_user_mode(struct Client *client_p, struct Client *source_p, |
811 |
const int parc, char *parv[]) |
812 |
{ |
813 |
unsigned int flag, setflags; |
814 |
char **p, *m, buf[IRCD_BUFSIZE]; |
815 |
struct Client *target_p; |
816 |
int what = MODE_ADD, badflag = 0, i; |
817 |
|
818 |
assert(!(parc < 2)); |
819 |
|
820 |
if ((target_p = find_person(client_p, parv[1])) == NULL) |
821 |
{ |
822 |
if (MyConnect(source_p)) |
823 |
sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL), |
824 |
me.name, source_p->name, parv[1]); |
825 |
return; |
826 |
} |
827 |
|
828 |
if (source_p != target_p) |
829 |
{ |
830 |
sendto_one(source_p, form_str(ERR_USERSDONTMATCH), |
831 |
me.name, source_p->name); |
832 |
return; |
833 |
} |
834 |
|
835 |
if (parc < 3) |
836 |
{ |
837 |
m = buf; |
838 |
*m++ = '+'; |
839 |
|
840 |
for (i = 0; i < 128; ++i) |
841 |
if (HasUMode(source_p, user_modes[i])) |
842 |
*m++ = (char)i; |
843 |
*m = '\0'; |
844 |
|
845 |
sendto_one(source_p, form_str(RPL_UMODEIS), |
846 |
me.name, source_p->name, buf); |
847 |
return; |
848 |
} |
849 |
|
850 |
/* find flags already set for user */ |
851 |
setflags = source_p->umodes; |
852 |
|
853 |
/* parse mode change string(s) */ |
854 |
for (p = &parv[2]; p && *p; ++p) |
855 |
{ |
856 |
for (m = *p; *m; ++m) |
857 |
{ |
858 |
switch (*m) |
859 |
{ |
860 |
case '+': |
861 |
what = MODE_ADD; |
862 |
break; |
863 |
case '-': |
864 |
what = MODE_DEL; |
865 |
break; |
866 |
case 'o': |
867 |
if (what == MODE_ADD) |
868 |
{ |
869 |
if (IsServer(client_p) && !HasUMode(source_p, UMODE_OPER)) |
870 |
{ |
871 |
++Count.oper; |
872 |
SetOper(source_p); |
873 |
} |
874 |
} |
875 |
else |
876 |
{ |
877 |
if (!HasUMode(source_p, UMODE_OPER)) |
878 |
break; |
879 |
|
880 |
ClearOper(source_p); |
881 |
Count.oper--; |
882 |
|
883 |
if (MyConnect(source_p)) |
884 |
{ |
885 |
dlink_node *dm = NULL; |
886 |
|
887 |
detach_conf(source_p, CONF_OPER); |
888 |
ClrOFlag(source_p); |
889 |
DelUMode(source_p, ConfigFileEntry.oper_only_umodes); |
890 |
|
891 |
if ((dm = dlinkFindDelete(&oper_list, source_p)) != NULL) |
892 |
free_dlink_node(dm); |
893 |
} |
894 |
} |
895 |
|
896 |
break; |
897 |
|
898 |
case 'S': /* Only servers may set +S in a burst */ |
899 |
case 'W': /* Only servers may set +W in a burst */ |
900 |
case 'r': /* Only services may set +r */ |
901 |
case 'x': /* Only services may set +x */ |
902 |
break; |
903 |
|
904 |
default: |
905 |
if ((flag = user_modes[(unsigned char)*m])) |
906 |
{ |
907 |
if (MyConnect(source_p) && !HasUMode(source_p, UMODE_OPER) && |
908 |
(ConfigFileEntry.oper_only_umodes & flag)) |
909 |
badflag = 1; |
910 |
else |
911 |
{ |
912 |
if (what == MODE_ADD) |
913 |
AddUMode(source_p, flag); |
914 |
else |
915 |
DelUMode(source_p, flag); |
916 |
} |
917 |
} |
918 |
else if (MyConnect(source_p)) |
919 |
badflag = 1; |
920 |
|
921 |
break; |
922 |
} |
923 |
} |
924 |
} |
925 |
|
926 |
if (badflag) |
927 |
sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG), |
928 |
me.name, source_p->name); |
929 |
|
930 |
if (MyConnect(source_p) && HasUMode(source_p, UMODE_ADMIN) && |
931 |
!HasOFlag(source_p, OPER_FLAG_ADMIN)) |
932 |
{ |
933 |
sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;", |
934 |
me.name, source_p->name); |
935 |
DelUMode(source_p, UMODE_ADMIN); |
936 |
} |
937 |
|
938 |
if (!(setflags & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE)) |
939 |
++Count.invisi; |
940 |
if ((setflags & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE)) |
941 |
--Count.invisi; |
942 |
|
943 |
/* |
944 |
* compare new flags with old flags and send string which |
945 |
* will cause servers to update correctly. |
946 |
*/ |
947 |
send_umode_out(client_p, source_p, setflags); |
948 |
} |
949 |
|
950 |
/* send_umode() |
951 |
* send the MODE string for user (user) to connection client_p |
952 |
* -avalon |
953 |
* |
954 |
* inputs - client_p |
955 |
* - source_p |
956 |
* - int old |
957 |
* - sendmask mask of modes to send |
958 |
* - suplied umode_buf |
959 |
* output - NONE |
960 |
*/ |
961 |
void |
962 |
send_umode(struct Client *client_p, struct Client *source_p, |
963 |
unsigned int old, unsigned int sendmask, char *umode_buf) |
964 |
{ |
965 |
char *m = umode_buf; |
966 |
int what = 0; |
967 |
unsigned int i; |
968 |
unsigned int flag; |
969 |
|
970 |
/* |
971 |
* build a string in umode_buf to represent the change in the user's |
972 |
* mode between the new (source_p->umodes) and 'old'. |
973 |
*/ |
974 |
for (i = 0; i < 128; ++i) |
975 |
{ |
976 |
flag = user_modes[i]; |
977 |
if (!flag) |
978 |
continue; |
979 |
|
980 |
if (MyClient(source_p) && !(flag & sendmask)) |
981 |
continue; |
982 |
|
983 |
if ((flag & old) && !HasUMode(source_p, flag)) |
984 |
{ |
985 |
if (what == MODE_DEL) |
986 |
*m++ = (char)i; |
987 |
else |
988 |
{ |
989 |
what = MODE_DEL; |
990 |
*m++ = '-'; |
991 |
*m++ = (char)i; |
992 |
} |
993 |
} |
994 |
else if (!(flag & old) && HasUMode(source_p, flag)) |
995 |
{ |
996 |
if (what == MODE_ADD) |
997 |
*m++ = (char)i; |
998 |
else |
999 |
{ |
1000 |
what = MODE_ADD; |
1001 |
*m++ = '+'; |
1002 |
*m++ = (char)i; |
1003 |
} |
1004 |
} |
1005 |
} |
1006 |
|
1007 |
*m = '\0'; |
1008 |
|
1009 |
if (*umode_buf && client_p) |
1010 |
sendto_one(client_p, ":%s!%s@%s MODE %s :%s", |
1011 |
source_p->name, source_p->username, |
1012 |
source_p->host, source_p->name, umode_buf); |
1013 |
} |
1014 |
|
1015 |
/* send_umode_out() |
1016 |
* |
1017 |
* inputs - |
1018 |
* output - NONE |
1019 |
* side effects - Only send ubuf out to servers that know about this client |
1020 |
*/ |
1021 |
void |
1022 |
send_umode_out(struct Client *client_p, struct Client *source_p, |
1023 |
unsigned int old) |
1024 |
{ |
1025 |
char buf[IRCD_BUFSIZE] = { '\0' }; |
1026 |
dlink_node *ptr = NULL; |
1027 |
|
1028 |
send_umode(NULL, source_p, old, SEND_UMODES, buf); |
1029 |
|
1030 |
if (buf[0]) |
1031 |
{ |
1032 |
DLINK_FOREACH(ptr, serv_list.head) |
1033 |
{ |
1034 |
struct Client *target_p = ptr->data; |
1035 |
|
1036 |
if ((target_p != client_p) && (target_p != source_p)) |
1037 |
sendto_one(target_p, ":%s MODE %s :%s", |
1038 |
ID_or_name(source_p, target_p), |
1039 |
ID_or_name(source_p, target_p), buf); |
1040 |
} |
1041 |
} |
1042 |
|
1043 |
if (client_p && MyClient(client_p)) |
1044 |
send_umode(client_p, source_p, old, 0xffffffff, buf); |
1045 |
} |
1046 |
|
1047 |
void |
1048 |
user_set_hostmask(struct Client *target_p, const char *hostname, const int what) |
1049 |
{ |
1050 |
dlink_node *ptr = NULL; |
1051 |
|
1052 |
if (!strcmp(target_p->host, hostname)) |
1053 |
return; |
1054 |
|
1055 |
switch (what) |
1056 |
{ |
1057 |
case MODE_ADD: |
1058 |
AddUMode(target_p, UMODE_HIDDENHOST); |
1059 |
AddFlag(target_p, FLAGS_IP_SPOOFING); |
1060 |
break; |
1061 |
case MODE_DEL: |
1062 |
DelUMode(target_p, UMODE_HIDDENHOST); |
1063 |
|
1064 |
if (!HasFlag(target_p, FLAGS_AUTH_SPOOF)) |
1065 |
DelFlag(target_p, FLAGS_IP_SPOOFING); |
1066 |
break; |
1067 |
default: return; |
1068 |
} |
1069 |
|
1070 |
if (ConfigFileEntry.cycle_on_host_change) |
1071 |
sendto_common_channels_local(target_p, 0, 0, ":%s!%s@%s QUIT :Changing hostname", |
1072 |
target_p->name, target_p->username, target_p->host); |
1073 |
|
1074 |
if (IsUserHostIp(target_p)) |
1075 |
delete_user_host(target_p->username, target_p->host, !MyConnect(target_p)); |
1076 |
|
1077 |
strlcpy(target_p->host, hostname, sizeof(target_p->host)); |
1078 |
|
1079 |
add_user_host(target_p->username, target_p->host, !MyConnect(target_p)); |
1080 |
SetUserHost(target_p); |
1081 |
|
1082 |
if (MyClient(target_p)) |
1083 |
{ |
1084 |
sendto_one(target_p, form_str(RPL_NEWHOSTIS), me.name, |
1085 |
target_p->name, target_p->host); |
1086 |
clear_ban_cache_client(target_p); |
1087 |
} |
1088 |
|
1089 |
if (!ConfigFileEntry.cycle_on_host_change) |
1090 |
return; |
1091 |
|
1092 |
DLINK_FOREACH(ptr, target_p->channel.head) |
1093 |
{ |
1094 |
char modebuf[4], nickbuf[NICKLEN * 3 + 3] = { '\0' }; |
1095 |
char *p = modebuf; |
1096 |
int len = 0; |
1097 |
const struct Membership *ms = ptr->data; |
1098 |
|
1099 |
if (has_member_flags(ms, CHFL_CHANOP)) |
1100 |
{ |
1101 |
*p++ = 'o'; |
1102 |
len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name); |
1103 |
} |
1104 |
|
1105 |
if (has_member_flags(ms, CHFL_HALFOP)) |
1106 |
{ |
1107 |
*p++ = 'h'; |
1108 |
len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name); |
1109 |
} |
1110 |
|
1111 |
if (has_member_flags(ms, CHFL_VOICE)) |
1112 |
{ |
1113 |
*p++ = 'v'; |
1114 |
len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name); |
1115 |
} |
1116 |
|
1117 |
*p = '\0'; |
1118 |
|
1119 |
sendto_channel_local_butone(target_p, 0, 0, ms->chptr, ":%s!%s@%s JOIN :%s", |
1120 |
target_p->name, target_p->username, target_p->host, |
1121 |
ms->chptr->chname); |
1122 |
if (nickbuf[0]) |
1123 |
sendto_channel_local_butone(target_p, 0, 0, ms->chptr, ":%s MODE %s +%s %s", |
1124 |
target_p->servptr->name, ms->chptr->chname, |
1125 |
modebuf, nickbuf); |
1126 |
|
1127 |
} |
1128 |
|
1129 |
if (target_p->away[0]) |
1130 |
sendto_common_channels_local(target_p, 0, CAP_AWAY_NOTIFY, |
1131 |
":%s!%s@%s AWAY :%s", |
1132 |
target_p->name, target_p->username, |
1133 |
target_p->host, target_p->away); |
1134 |
} |
1135 |
|
1136 |
/* user_welcome() |
1137 |
* |
1138 |
* inputs - client pointer to client to welcome |
1139 |
* output - NONE |
1140 |
* side effects - |
1141 |
*/ |
1142 |
static void |
1143 |
user_welcome(struct Client *source_p) |
1144 |
{ |
1145 |
#if defined(__TIME__) && defined(__DATE__) |
1146 |
static const char built_date[] = __DATE__ " at " __TIME__; |
1147 |
#else |
1148 |
static const char built_date[] = "unknown"; |
1149 |
#endif |
1150 |
|
1151 |
#ifdef HAVE_LIBCRYPTO |
1152 |
if (HasFlag(source_p, FLAGS_SSL)) |
1153 |
{ |
1154 |
AddUMode(source_p, UMODE_SSL); |
1155 |
sendto_one(source_p, ":%s NOTICE %s :*** Connected securely via %s", |
1156 |
me.name, source_p->name, |
1157 |
ssl_get_cipher(source_p->localClient->fd.ssl)); |
1158 |
} |
1159 |
#endif |
1160 |
|
1161 |
sendto_one(source_p, form_str(RPL_WELCOME), me.name, source_p->name, |
1162 |
ServerInfo.network_name, source_p->name); |
1163 |
sendto_one(source_p, form_str(RPL_YOURHOST), me.name, source_p->name, |
1164 |
get_listener_name(source_p->localClient->listener), ircd_version); |
1165 |
sendto_one(source_p, form_str(RPL_CREATED), |
1166 |
me.name, source_p->name, built_date); |
1167 |
sendto_one(source_p, form_str(RPL_MYINFO), |
1168 |
me.name, source_p->name, me.name, ircd_version, umode_buffer); |
1169 |
show_isupport(source_p); |
1170 |
|
1171 |
if (source_p->id[0] != '\0') |
1172 |
sendto_one(source_p, form_str(RPL_YOURID), me.name, |
1173 |
source_p->name, source_p->id); |
1174 |
|
1175 |
show_lusers(source_p); |
1176 |
motd_signon(source_p); |
1177 |
} |
1178 |
|
1179 |
/* check_xline() |
1180 |
* |
1181 |
* inputs - pointer to client to test |
1182 |
* outupt - 1 if exiting 0 if ok |
1183 |
* side effects - |
1184 |
*/ |
1185 |
static int |
1186 |
check_xline(struct Client *source_p) |
1187 |
{ |
1188 |
struct MaskItem *conf = NULL; |
1189 |
const char *reason = NULL; |
1190 |
|
1191 |
if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0))) |
1192 |
{ |
1193 |
++conf->count; |
1194 |
|
1195 |
if (conf->reason != NULL) |
1196 |
reason = conf->reason; |
1197 |
else |
1198 |
reason = "No Reason"; |
1199 |
|
1200 |
sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE, |
1201 |
"X-line Rejecting [%s] [%s], user %s [%s]", |
1202 |
source_p->info, reason, |
1203 |
get_client_name(source_p, HIDE_IP), |
1204 |
source_p->sockhost); |
1205 |
|
1206 |
++ServerStats.is_ref; |
1207 |
exit_client(source_p, &me, "Bad user info"); |
1208 |
return 1; |
1209 |
} |
1210 |
|
1211 |
return 0; |
1212 |
} |
1213 |
|
1214 |
/* oper_up() |
1215 |
* |
1216 |
* inputs - pointer to given client to oper |
1217 |
* output - NONE |
1218 |
* side effects - Blindly opers up given source_p, using conf info |
1219 |
* all checks on passwords have already been done. |
1220 |
* This could also be used by rsa oper routines. |
1221 |
*/ |
1222 |
void |
1223 |
oper_up(struct Client *source_p) |
1224 |
{ |
1225 |
const unsigned int old = source_p->umodes; |
1226 |
const struct MaskItem *conf = source_p->localClient->confs.head->data; |
1227 |
|
1228 |
assert(source_p->localClient->confs.head); |
1229 |
|
1230 |
++Count.oper; |
1231 |
SetOper(source_p); |
1232 |
|
1233 |
if (conf->modes) |
1234 |
AddUMode(source_p, conf->modes); |
1235 |
else if (ConfigFileEntry.oper_umodes) |
1236 |
AddUMode(source_p, ConfigFileEntry.oper_umodes); |
1237 |
|
1238 |
if (!(old & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE)) |
1239 |
++Count.invisi; |
1240 |
if ((old & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE)) |
1241 |
--Count.invisi; |
1242 |
|
1243 |
assert(dlinkFind(&oper_list, source_p) == NULL); |
1244 |
dlinkAdd(source_p, make_dlink_node(), &oper_list); |
1245 |
|
1246 |
AddOFlag(source_p, conf->port); |
1247 |
|
1248 |
if (HasOFlag(source_p, OPER_FLAG_ADMIN)) |
1249 |
AddUMode(source_p, UMODE_ADMIN); |
1250 |
|
1251 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, "%s is now an operator", |
1252 |
get_oper_name(source_p)); |
1253 |
send_umode_out(source_p, source_p, old); |
1254 |
sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name); |
1255 |
} |
1256 |
|
1257 |
static char new_uid[TOTALSIDUID + 1]; /* allow for \0 */ |
1258 |
|
1259 |
int |
1260 |
valid_sid(const char *sid) |
1261 |
{ |
1262 |
if (strlen(sid) == IRC_MAXSID) |
1263 |
if (IsDigit(*sid)) |
1264 |
if (IsAlNum(*(sid + 1)) && IsAlNum(*(sid + 2))) |
1265 |
return 1; |
1266 |
|
1267 |
return 0; |
1268 |
} |
1269 |
|
1270 |
/* |
1271 |
* init_uid() |
1272 |
* |
1273 |
* inputs - NONE |
1274 |
* output - NONE |
1275 |
* side effects - new_uid is filled in with server id portion (sid) |
1276 |
* (first 3 bytes) or defaulted to 'A'. |
1277 |
* Rest is filled in with 'A' |
1278 |
*/ |
1279 |
void |
1280 |
init_uid(void) |
1281 |
{ |
1282 |
unsigned int i; |
1283 |
|
1284 |
memset(new_uid, 0, sizeof(new_uid)); |
1285 |
|
1286 |
if (!EmptyString(ServerInfo.sid)) |
1287 |
strlcpy(new_uid, ServerInfo.sid, sizeof(new_uid)); |
1288 |
|
1289 |
for (i = 0; i < IRC_MAXSID; ++i) |
1290 |
if (new_uid[i] == '\0') |
1291 |
new_uid[i] = 'A'; |
1292 |
|
1293 |
/* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */ |
1294 |
memcpy(new_uid + IRC_MAXSID, "AAAAA@", IRC_MAXUID); |
1295 |
} |
1296 |
|
1297 |
/* |
1298 |
* add_one_to_uid |
1299 |
* |
1300 |
* inputs - index number into new_uid |
1301 |
* output - NONE |
1302 |
* side effects - new_uid is incremented by one |
1303 |
* note this is a recursive function |
1304 |
*/ |
1305 |
static void |
1306 |
add_one_to_uid(int i) |
1307 |
{ |
1308 |
if (i != IRC_MAXSID) /* Not reached server SID portion yet? */ |
1309 |
{ |
1310 |
if (new_uid[i] == 'Z') |
1311 |
new_uid[i] = '0'; |
1312 |
else if (new_uid[i] == '9') |
1313 |
{ |
1314 |
new_uid[i] = 'A'; |
1315 |
add_one_to_uid(i-1); |
1316 |
} |
1317 |
else |
1318 |
++new_uid[i]; |
1319 |
} |
1320 |
else |
1321 |
{ |
1322 |
/* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */ |
1323 |
if (new_uid[i] == 'Z') |
1324 |
memcpy(new_uid + IRC_MAXSID, "AAAAAA", IRC_MAXUID); |
1325 |
else |
1326 |
++new_uid[i]; |
1327 |
} |
1328 |
} |
1329 |
|
1330 |
/* |
1331 |
* uid_get |
1332 |
* |
1333 |
* inputs - struct Client * |
1334 |
* output - new UID is returned to caller |
1335 |
* side effects - new_uid is incremented by one. |
1336 |
*/ |
1337 |
static const char * |
1338 |
uid_get(void) |
1339 |
{ |
1340 |
add_one_to_uid(TOTALSIDUID - 1); /* index from 0 */ |
1341 |
return new_uid; |
1342 |
} |
1343 |
|
1344 |
/* |
1345 |
* init_isupport() |
1346 |
* |
1347 |
* input - NONE |
1348 |
* output - NONE |
1349 |
* side effects - Must be called before isupport is enabled |
1350 |
*/ |
1351 |
void |
1352 |
init_isupport(void) |
1353 |
{ |
1354 |
add_isupport("CALLERID", NULL, -1); |
1355 |
add_isupport("CASEMAPPING", CASEMAP, -1); |
1356 |
add_isupport("DEAF", "D", -1); |
1357 |
add_isupport("KICKLEN", NULL, KICKLEN); |
1358 |
add_isupport("MODES", NULL, MAXMODEPARAMS); |
1359 |
#ifdef HALFOPS |
1360 |
add_isupport("PREFIX", "(ohv)@%+", -1); |
1361 |
add_isupport("STATUSMSG", "@%+", -1); |
1362 |
#else |
1363 |
add_isupport("PREFIX", "(ov)@+", -1); |
1364 |
add_isupport("STATUSMSG", "@+", -1); |
1365 |
#endif |
1366 |
add_isupport("EXCEPTS", "e", -1); |
1367 |
add_isupport("INVEX", "I", -1); |
1368 |
} |
1369 |
|
1370 |
/* |
1371 |
* add_isupport() |
1372 |
* |
1373 |
* input - name of supported function |
1374 |
* - options if any |
1375 |
* - number if any |
1376 |
* output - NONE |
1377 |
* side effects - Each supported item must call this when activated |
1378 |
*/ |
1379 |
void |
1380 |
add_isupport(const char *name, const char *options, int n) |
1381 |
{ |
1382 |
dlink_node *ptr; |
1383 |
struct Isupport *support; |
1384 |
|
1385 |
DLINK_FOREACH(ptr, support_list.head) |
1386 |
{ |
1387 |
support = ptr->data; |
1388 |
if (irccmp(support->name, name) == 0) |
1389 |
{ |
1390 |
MyFree(support->name); |
1391 |
MyFree(support->options); |
1392 |
break; |
1393 |
} |
1394 |
} |
1395 |
|
1396 |
if (ptr == NULL) |
1397 |
{ |
1398 |
support = MyMalloc(sizeof(*support)); |
1399 |
dlinkAddTail(support, &support->node, &support_list); |
1400 |
} |
1401 |
|
1402 |
support->name = xstrdup(name); |
1403 |
if (options != NULL) |
1404 |
support->options = xstrdup(options); |
1405 |
support->number = n; |
1406 |
|
1407 |
rebuild_isupport_message_line(); |
1408 |
} |
1409 |
|
1410 |
/* |
1411 |
* delete_isupport() |
1412 |
* |
1413 |
* input - name of supported function |
1414 |
* output - NONE |
1415 |
* side effects - Each supported item must call this when deactivated |
1416 |
*/ |
1417 |
void |
1418 |
delete_isupport(const char *name) |
1419 |
{ |
1420 |
dlink_node *ptr; |
1421 |
struct Isupport *support; |
1422 |
|
1423 |
DLINK_FOREACH(ptr, support_list.head) |
1424 |
{ |
1425 |
support = ptr->data; |
1426 |
if (irccmp(support->name, name) == 0) |
1427 |
{ |
1428 |
dlinkDelete(ptr, &support_list); |
1429 |
MyFree(support->name); |
1430 |
MyFree(support->options); |
1431 |
MyFree(support); |
1432 |
break; |
1433 |
} |
1434 |
} |
1435 |
|
1436 |
rebuild_isupport_message_line(); |
1437 |
} |
1438 |
|
1439 |
/* |
1440 |
* rebuild_isupport_message_line |
1441 |
* |
1442 |
* input - NONE |
1443 |
* output - NONE |
1444 |
* side effects - Destroy the isupport MessageFile lines, and rebuild. |
1445 |
*/ |
1446 |
void |
1447 |
rebuild_isupport_message_line(void) |
1448 |
{ |
1449 |
char isupportbuffer[IRCD_BUFSIZE]; |
1450 |
char *p = isupportbuffer; |
1451 |
dlink_node *ptr = NULL, *ptr_next = NULL; |
1452 |
int n = 0; |
1453 |
int tokens = 0; |
1454 |
size_t len = 0; |
1455 |
size_t reserve = strlen(me.name) + HOSTLEN + strlen(form_str(RPL_ISUPPORT)); |
1456 |
|
1457 |
DLINK_FOREACH_SAFE(ptr, ptr_next, support_list_lines.head) |
1458 |
{ |
1459 |
dlinkDelete(ptr, &support_list_lines); |
1460 |
MyFree(ptr->data); |
1461 |
free_dlink_node(ptr); |
1462 |
} |
1463 |
|
1464 |
DLINK_FOREACH(ptr, support_list.head) |
1465 |
{ |
1466 |
struct Isupport *support = ptr->data; |
1467 |
|
1468 |
p += (n = sprintf(p, "%s", support->name)); |
1469 |
len += n; |
1470 |
|
1471 |
if (support->options != NULL) |
1472 |
{ |
1473 |
p += (n = sprintf(p, "=%s", support->options)); |
1474 |
len += n; |
1475 |
} |
1476 |
|
1477 |
if (support->number > 0) |
1478 |
{ |
1479 |
p += (n = sprintf(p, "=%d", support->number)); |
1480 |
len += n; |
1481 |
} |
1482 |
|
1483 |
*p++ = ' '; |
1484 |
len++; |
1485 |
*p = '\0'; |
1486 |
|
1487 |
if (++tokens == (MAXPARA-2) || len >= (sizeof(isupportbuffer)-reserve)) |
1488 |
{ /* arbritrary for now */ |
1489 |
if (*--p == ' ') |
1490 |
*p = '\0'; |
1491 |
|
1492 |
dlinkAddTail(xstrdup(isupportbuffer), make_dlink_node(), &support_list_lines); |
1493 |
p = isupportbuffer; |
1494 |
len = 0; |
1495 |
n = tokens = 0; |
1496 |
} |
1497 |
} |
1498 |
|
1499 |
if (len != 0) |
1500 |
{ |
1501 |
if (*--p == ' ') |
1502 |
*p = '\0'; |
1503 |
dlinkAddTail(xstrdup(isupportbuffer), make_dlink_node(), &support_list_lines); |
1504 |
} |
1505 |
} |