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root/svn/ircd-hybrid/branches/8.2.x/modules/m_svsnick.c
Revision: 1178
Committed: Mon Aug 15 08:11:31 2011 UTC (12 years, 8 months ago) by michael
Content type: text/x-csrc
Original Path: ircd-hybrid-8/modules/m_svsnick.c
File size: 4326 byte(s)
Log Message:
- Cleanup and restore older parts of the irc-command parser.
  Gives back ability to specify maximum amount of parameters
  that are processed within a command.

File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 *
4 * Copyright (C) 1999 by the Bahamut Development Team.
5 * Copyright (C) 2011 by the Hybrid Development Team.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 * USA
21 */
22
23 /*! \file m_svsnick.c
24 * \brief Includes required functions for processing the SVSMODE command.
25 * \version $Id$
26 */
27
28 #include "stdinc.h"
29 #include "handlers.h"
30 #include "client.h"
31 #include "ircd.h"
32 #include "channel_mode.h"
33 #include "numeric.h"
34 #include "s_conf.h"
35 #include "s_serv.h"
36 #include "send.h"
37 #include "msg.h"
38 #include "parse.h"
39 #include "modules.h"
40 #include "irc_string.h"
41 #include "s_user.h"
42 #include "hash.h"
43 #include "watch.h"
44 #include "whowas.h"
45
46 static void ms_svsnick(struct Client *, struct Client *, int, char *[]);
47
48 struct Message svsnick_msgtab = {
49 "SVSNICK", 0, 0, 4, MAXPARA, MFLG_SLOW | MFLG_UNREG, 0,
50 {m_ignore, m_ignore, ms_svsnick, m_ignore, m_ignore, m_ignore}
51 };
52
53 const char *_version = "$Revision$";
54
55 void
56 _modinit(void)
57 {
58 mod_add_cmd(&svsnick_msgtab);
59 }
60
61 void
62 _moddeinit(void)
63 {
64 mod_del_cmd(&svsnick_msgtab);
65 }
66
67
68 /*! \brief SVSNICK command handler (called by servers or services)
69 *
70 * \param client_p Pointer to allocated Client struct with physical connection
71 * to this server, i.e. with an open socket connected.
72 * \param source_p Pointer to allocated Client struct from which the message
73 * originally comes from. This can be a local or remote client.
74 * \param parc Integer holding the number of supplied arguments.
75 * \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
76 * pointers.
77 * \note Valid arguments for this command are:
78 * - parv[0] = sender prefix
79 * - parv[1] = old nickname
80 * - parv[2] = new nickname
81 * - parv[3] = timestamp
82 */
83 static void
84 ms_svsnick(struct Client *client_p, struct Client *source_p,
85 int parc, char *parv[])
86 {
87 struct Client *target_p = NULL, *exists_p = NULL;
88
89 if (!IsService(source_p) || (parc < 4) || !valid_nickname(parv[2], 1))
90 return;
91
92 if (hunt_server(client_p, source_p, ":%s SVSNICK %s %s :%s",
93 1, parc, parv) != HUNTED_ISME)
94 return;
95
96 if ((target_p = find_person(client_p, parv[1])) == NULL)
97 return;
98
99 assert(MyClient(target_p));
100
101 if ((exists_p = hash_find_client(parv[2])))
102 {
103 if (IsUnknown(exists_p))
104 exit_client(exists_p, &me, "SVSNICK Override");
105 else
106 {
107 exit_client(target_p, &me, "SVSNICK Collide");
108 return;
109 }
110 }
111
112 target_p->tsinfo = atoi(parv[3]);
113 clear_ban_cache_client(target_p);
114 watch_check_hash(target_p, RPL_LOGOFF);
115
116 if (HasUMode(target_p, UMODE_REGISTERED))
117 {
118 unsigned int oldmodes = target_p->umodes;
119 char modebuf[IRCD_BUFSIZE] = { '\0' };
120
121 DelUMode(target_p, UMODE_REGISTERED);
122 send_umode(target_p, target_p, oldmodes, 0xffffffff, modebuf);
123 }
124
125 sendto_common_channels_local(target_p, 1, ":%s!%s@%s NICK :%s",
126 target_p->name, target_p->username,
127 target_p->host, parv[2]);
128
129 add_history(target_p, 1);
130
131 sendto_server(NULL, NULL, CAP_TS6, NOCAPS,
132 ":%s NICK %s :%lu",
133 ID(target_p), parv[2], (unsigned long)target_p->tsinfo);
134 sendto_server(NULL, NULL, NOCAPS, CAP_TS6,
135 ":%s NICK %s :%lu",
136 target_p->name, parv[2], (unsigned long)source_p->tsinfo);
137
138 hash_del_client(target_p);
139 strlcpy(target_p->name, parv[2], sizeof(target_p->name));
140 hash_add_client(target_p);
141
142 watch_check_hash(target_p, RPL_LOGON);
143
144 fd_note(&target_p->localClient->fd, "Nick: %s", parv[2]);
145 }

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