trunk/modules/m_user.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 1997-2020 ircd-hybrid development team
 *
 *  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
 *  USA
 */

/*! \file m_user.c
 * \brief Includes required functions for processing the USER command.
 * \version $Id$
 */

#include "stdinc.h"
#include "client.h"
#include "irc_string.h"
#include "ircd.h"
#include "numeric.h"
#include "user.h"
#include "send.h"
#include "parse.h"
#include "modules.h"
#include "listener.h"


/* do_user()
 *
 * inputs       -
 * output       - NONE
 * side effects -
 */
static void
do_user(struct Client *source_p,
        const char *username,
        const char *realname)
{
  assert(IsUnknown(source_p));

  source_p->connection->registration &= ~REG_NEED_USER;

  strlcpy(source_p->info, realname, sizeof(source_p->info));

  if (!HasFlag(source_p, FLAGS_GOTID))
    strlcpy(source_p->username, username, sizeof(source_p->username));

  if (source_p->connection->registration == 0)
    register_local_user(source_p);
}

/*! \brief USER command handler
 *
 * \param source_p Pointer to allocated Client struct from which the message
 *                 originally comes from.  This can be a local or remote client.
 * \param parc     Integer holding the number of supplied arguments.
 * \param parv     Argument vector where parv[0] .. parv[parc-1] are non-NULL
 *                 pointers.
 * \note Valid arguments for this command are:
 *      - parv[0] = command
 *      - parv[1] = username (login name, account)
 *      - parv[2] = client host name (ignored)
 *      - parv[3] = server host name (ignored)
 *      - parv[4] = user's real name info
 */
static void
mr_user(struct Client *source_p, int parc, char *parv[])
{
  const char *const username = parv[1];
  const char *const realname = parv[4];

  if (source_p->connection->listener->flags & LISTENER_SERVER)
  {
    exit_client(source_p, "Use a different port");
    return;
  }

  if (EmptyString(realname))
  {
    sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "USER");
    return;
  }

  char *p = strchr(username, '@');
  if (p)
    *p = '\0';

  do_user(source_p, username, realname);
}

static struct Message user_msgtab =
{
  .cmd = "USER",
  .args_min = 5,
  .args_max = MAXPARA,
  .handlers[UNREGISTERED_HANDLER] = mr_user,
  .handlers[CLIENT_HANDLER] = m_registered,
  .handlers[SERVER_HANDLER] = m_ignore,
  .handlers[ENCAP_HANDLER] = m_ignore,
  .handlers[OPER_HANDLER] = m_registered
};

static void
module_init(void)
{
  mod_add_cmd(&user_msgtab);
}

static void
module_exit(void)
{
  mod_del_cmd(&user_msgtab);
}

struct module module_entry =
{
  .version = "$Revision$",
  .modinit = module_init,
  .modexit = module_exit,
};
Revision:	9361
Committed:	Wed Apr 29 14:02:37 2020 UTC (6 years, 2 months ago) by michael
Content type:	text/x-csrc
File size:	3418 byte(s)
Log Message:	- Move setting of client->servptr to more appropriate places
#	User	Rev	Content
1	adx	30	/*
2	michael	2820	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	adx	30	*
4	michael	9101	* Copyright (c) 1997-2020 ircd-hybrid development team
5	adx	30	*
6			* This program is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18	michael	4565	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19	adx	30	* USA
20			*/
21
22	michael	2820	/*! \file m_user.c
23			* \brief Includes required functions for processing the USER command.
24			* \version $Id$
25			*/
26
27	adx	30	#include "stdinc.h"
28			#include "client.h"
29			#include "irc_string.h"
30			#include "ircd.h"
31			#include "numeric.h"
32	michael	3347	#include "user.h"
33	adx	30	#include "send.h"
34			#include "parse.h"
35			#include "modules.h"
36	michael	900	#include "listener.h"
37	adx	30
38
39	michael	3217	/* do_user()
40	michael	1082	*
41			* inputs -
42			* output - NONE
43			* side effects -
44			*/
45			static void
46	michael	3217	do_user(struct Client *source_p,
47			const char *username,
48			const char *realname)
49	michael	1082	{
50			assert(IsUnknown(source_p));
51
52	michael	4588	source_p->connection->registration &= ~REG_NEED_USER;
53	michael	1082
54			strlcpy(source_p->info, realname, sizeof(source_p->info));
55
56	michael	6313	if (!HasFlag(source_p, FLAGS_GOTID))
57	michael	1082	strlcpy(source_p->username, username, sizeof(source_p->username));
58
59	michael	8437	if (source_p->connection->registration == 0)
60	michael	1082	register_local_user(source_p);
61			}
62
63	michael	3294	/*! \brief USER command handler
64			*
65			* \param source_p Pointer to allocated Client struct from which the message
66			* originally comes from. This can be a local or remote client.
67			* \param parc Integer holding the number of supplied arguments.
68			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
69			* pointers.
70			* \note Valid arguments for this command are:
71			* - parv[0] = command
72			* - parv[1] = username (login name, account)
73			* - parv[2] = client host name (ignored)
74			* - parv[3] = server host name (ignored)
75			* - parv[4] = user's real name info
76			*/
77	michael	9077	static void
78	michael	3156	mr_user(struct Client source_p, int parc, char parv[])
79	adx	30	{
80	michael	9352	const char *const username = parv[1];
81			const char *const realname = parv[4];
82
83	michael	4588	if (source_p->connection->listener->flags & LISTENER_SERVER)
84	michael	900	{
85	michael	3171	exit_client(source_p, "Use a different port");
86	michael	9077	return;
87	michael	900	}
88
89	michael	9352	if (EmptyString(realname))
90	adx	30	{
91	michael	3109	sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, "USER");
92	michael	9077	return;
93	adx	30	}
94
95	michael	9352	char *p = strchr(username, '@');
96	michael	9335	if (p)
97	michael	3209	*p = '\0';
98
99	michael	9352	do_user(source_p, username, realname);
100	adx	30	}
101	michael	1230
102	michael	2820	static struct Message user_msgtab =
103			{
104	michael	5881	.cmd = "USER",
105			.args_min = 5,
106			.args_max = MAXPARA,
107			.handlers[UNREGISTERED_HANDLER] = mr_user,
108			.handlers[CLIENT_HANDLER] = m_registered,
109			.handlers[SERVER_HANDLER] = m_ignore,
110			.handlers[ENCAP_HANDLER] = m_ignore,
111			.handlers[OPER_HANDLER] = m_registered
112	michael	1230	};
113
114			static void
115			module_init(void)
116			{
117			mod_add_cmd(&user_msgtab);
118			}
119
120			static void
121			module_exit(void)
122			{
123			mod_del_cmd(&user_msgtab);
124			}
125
126	michael	2820	struct module module_entry =
127			{
128	michael	1230	.version = "$Revision$",
129			.modinit = module_init,
130			.modexit = module_exit,
131			};