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root/svn/ircd-hybrid/trunk/modules/m_accept.c

Comparing:
ircd-hybrid/modules/m_accept.c (file contents), Revision 33 by knight, Sun Oct 2 20:50:00 2005 UTC vs.
ircd-hybrid/trunk/modules/m_accept.c (file contents), Revision 2363 by michael, Thu Jul 4 21:29:23 2013 UTC

#	Line 1 | Line 1
1		/*
2		*  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3	–	*  m_accept.c: Allows a user to talk to a +g user.
3		*
4		*  Copyright (C) 2002 by the past and present ircd coders, and others.
5		*
#	Line 18 | Line 17
17		*  along with this program; if not, write to the Free Software
18		*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19		*  USA
20	<	*
21	<	*  $Id$
20	>	*/
21	>
22	>	/*! \file m_accept.c
23	>	* \brief Includes required functions for processing the ACCEPT command.
24	>	* \version $Id$
25		*/
26
27		#include "stdinc.h"
26	–	#include "handlers.h"
28		#include "client.h"
29		#include "irc_string.h"
29	–	#include "sprintf_irc.h"
30	–	#include "hash.h"       /* for find_client() */
30		#include "ircd.h"
31		#include "list.h"
32		#include "numeric.h"
33	<	#include "s_conf.h"
33	>	#include "conf.h"
34		#include "s_serv.h"
35		#include "send.h"
37	–	#include "msg.h"
36		#include "parse.h"
39	–	#include "s_user.h"
37		#include "modules.h"
38	+	#include "memory.h"
39
42	–	static void m_accept(struct Client *, struct Client *, int, char *[]);
43	–	static void build_nicklist(struct Client *, char *, char *, char *);
44	–	static void add_accept(struct Client *, struct Client *);
45	–	static void list_accepts(struct Client *);
46	–
47	–	struct Message accept_msgtab = {
48	–	"ACCEPT", 0, 0, 0, 0, MFLG_SLOW, 0,
49	–	{m_unregistered, m_accept, m_ignore, m_ignore, m_accept, m_ignore}
50	–	};
51	–
52	–	#ifndef STATIC_MODULES
53	–	void
54	–	_modinit(void)
55	–	{
56	–	mod_add_cmd(&accept_msgtab);
57	–	}
58	–
59	–	void
60	–	_moddeinit(void)
61	–	{
62	–	mod_del_cmd(&accept_msgtab);
63	–	}
64	–
65	–	const char *_version = "$Revision$";
66	–	#endif
40
41	<	/*
42	<	* m_accept - ACCEPT command handler
43	<	*      parv[0] = sender prefix
44	<	*      parv[1] = servername
41	>	/*! \brief Creates and sends a list of nick!user\@host masks a Client
42	>	*         has on its acceptlist.
43	>	*
44	>	* \param source_p The actual Client the list will be sent to.
45		*/
46		static void
47	<	m_accept(struct Client *client_p, struct Client *source_p,
75	<	int parc, char *parv[])
47	>	list_accepts(struct Client *source_p)
48		{
49	<	char *nick;
50	<	char *p = NULL;
51	<	char addbuf[IRCD_BUFSIZE] = { '\0' };
52	<	char delbuf[IRCD_BUFSIZE] = { '\0' };
81	<	struct Client *target_p = NULL;
82	<	int accept_num;
83	<
84	<	if ((parc < 2) || (*parv[1] == '*'))
85	<	{
86	<	list_accepts(source_p);
87	<	return;
88	<	}
49	>	int len = 0;
50	>	char nicks[IRCD_BUFSIZE] = { '\0' };
51	>	char *t = nicks;
52	>	const dlink_node *ptr = NULL;
53
54	<	build_nicklist(source_p, addbuf, delbuf, parv[1]);
54	>	len = strlen(me.name) + strlen(source_p->name) + 12;
55
56	<	/* parse the delete list */
93	<	for (nick = strtoken(&p, delbuf, ","); nick != NULL;
94	<	nick = strtoken(&p, NULL, ","))
56	>	DLINK_FOREACH(ptr, source_p->localClient->acceptlist.head)
57		{
58	<	/* shouldnt happen, but lets be paranoid */
59	<	if (((target_p = find_client(nick)) == NULL) || !IsClient(target_p))
60	<	{
61	<	sendto_one(source_p, form_str(ERR_NOSUCHNICK),
100	<	me.name, source_p->name, nick);
101	<	continue;
102	<	}
58	>	const struct split_nuh_item *accept_p = ptr->data;
59	>	size_t masklen = strlen(accept_p->nickptr) +
60	>	strlen(accept_p->userptr) +
61	>	strlen(accept_p->hostptr) + 2 /* !@ */ ;
62
63	<	/* user isnt on clients accept list */
105	<	if (!accept_message(target_p, source_p))
63	>	if ((t - nicks) + masklen + len  > IRCD_BUFSIZE)
64		{
65	<	sendto_one(source_p, form_str(ERR_ACCEPTNOT),
66	<	me.name, source_p->name, target_p->name);
67	<	continue;
65	>	*(t - 1) = '\0';
66	>	sendto_one(source_p, form_str(RPL_ACCEPTLIST),
67	>	me.name, source_p->name, nicks);
68	>	t = nicks;
69		}
70
71	<	del_from_accept(target_p, source_p);
71	>	t += sprintf(t, "%s!%s@%s ",
72	>	accept_p->nickptr,
73	>	accept_p->userptr, accept_p->hostptr);
74		}
75
76	<	/* get the number of accepts they have */
116	<	accept_num = dlink_list_length(&source_p->allow_list);
117	<
118	<	/* parse the add list */
119	<	for (nick = strtoken(&p, addbuf, ","); nick;
120	<	nick = strtoken(&p, NULL, ","), accept_num++)
76	>	if (nicks[0] != '\0')
77		{
78	<	/* shouldnt happen, but lets be paranoid */
79	<	if (((target_p = find_client(nick)) == NULL) || !IsClient(target_p))
80	<	{
125	<	sendto_one(source_p, form_str(ERR_NOSUCHNICK),
126	<	me.name, source_p->name, nick);
127	<	continue;
128	<	}
129	<
130	<	/* user is already on clients accept list */
131	<	if (accept_message(target_p, source_p))
132	<	{
133	<	sendto_one(source_p, form_str(ERR_ACCEPTEXIST),
134	<	me.name, source_p->name, target_p->name);
135	<	continue;
136	<	}
137	<
138	<	if (accept_num >= ConfigFileEntry.max_accept)
139	<	{
140	<	sendto_one(source_p, form_str(ERR_ACCEPTFULL),
141	<	me.name, source_p->name);
142	<	return;
143	<	}
144	<
145	<	/* why is this here? */
146	<	/* del_from accept(target_p, source_p); */
147	<	add_accept(source_p, target_p);
78	>	*(t - 1) = '\0';
79	>	sendto_one(source_p, form_str(RPL_ACCEPTLIST),
80	>	me.name, source_p->name, nicks);
81		}
82	+
83	+	sendto_one(source_p, form_str(RPL_ENDOFACCEPT),
84	+	me.name, source_p->name);
85		}
86
87	<	/* build_nicklist()
87	>	/*! \brief Allocates and adds a split_nuh_item holding a nick!user\@host
88	>	*         mask to a Client's acceptlist.
89		*
90	<	* input        - pointer to client
91	<	*              - pointer to addbuffer
155	<	*              - pointer to remove buffer
156	<	*              - pointer to list of nicks
157	<	* output       -
158	<	* side effects - addbuf/delbuf are modified to give valid nicks
90	>	* \param nuh      A split_nuh_item already prepared with required masks.
91	>	* \param source_p The actual Client the new accept is added to.
92		*/
93		static void
94	<	build_nicklist(struct Client *source_p, char *addbuf,
162	<	char *delbuf, char *nicks)
94	>	add_accept(const struct split_nuh_item *nuh, struct Client *source_p)
95		{
96	<	char *name = NULL;
165	<	char *p = NULL;
166	<	char *buf_p = NULL;
167	<	struct Client *target_p = NULL;
96	>	struct split_nuh_item *accept_p = MyMalloc(sizeof(*accept_p));
97
98	<	/* build list of clients to add into addbuf, clients to remove in delbuf */
99	<	for (name = strtoken(&p, nicks, ","); name;
100	<	name = strtoken(&p, NULL, ","))
172	<	{
173	<	if (*name == '-')
174	<	buf_p = delbuf, ++name;
175	<	else
176	<	buf_p = addbuf;
98	>	accept_p->nickptr = xstrdup(nuh->nickptr);
99	>	accept_p->userptr = xstrdup(nuh->userptr);
100	>	accept_p->hostptr = xstrdup(nuh->hostptr);
101
102	<	if (((target_p = find_client(name)) == NULL) || !IsClient(target_p))
179	<	{
180	<	sendto_one(source_p, form_str(ERR_NOSUCHNICK),
181	<	me.name, source_p->name, name);
182	<	continue;
183	<	}
102	>	dlinkAdd(accept_p, &accept_p->node, &source_p->localClient->acceptlist);
103
185	–	if (*buf_p)
186	–	strlcat(buf_p, ",", IRCD_BUFSIZE);
187	–	strlcat(buf_p, name, IRCD_BUFSIZE);
188	–	}
189	–	}
190	–
191	–	/* add_accept()
192	–	*
193	–	* input        - pointer to clients accept list to add to
194	–	*              - pointer to client to add
195	–	* output       - none
196	–	* side effects - target is added to clients list
197	–	*/
198	–	static void
199	–	add_accept(struct Client *source_p, struct Client *target_p)
200	–	{
201	–	dlinkAdd(target_p, make_dlink_node(), &source_p->allow_list);
202	–	dlinkAdd(source_p, make_dlink_node(), &target_p->on_allow_list);
104		list_accepts(source_p);
105		}
106
107	<	/* list_accepts()
107	>	/*! \brief ACCEPT command handler
108		*
109	<	* input        - pointer to client
110	<	* output       - none
111	<	* side effects - print accept list to client
109	>	* \param client_p Pointer to allocated Client struct with physical connection
110	>	*                 to this server, i.e. with an open socket connected.
111	>	* \param source_p Pointer to allocated Client struct from which the message
112	>	*                 originally comes from.  This can be a local or remote client.
113	>	* \param parc     Integer holding the number of supplied arguments.
114	>	* \param parv     Argument vector where parv[0] .. parv[parc-1] are non-NULL
115	>	*                 pointers.
116	>	* \note Valid arguments for this command are:
117	>	*      - parv[0] = sender prefix
118	>	*      - parv[1] = list of masks to be accepted or removed (optional)
119		*/
120		static void
121	<	list_accepts(struct Client *source_p)
121	>	m_accept(struct Client *client_p, struct Client *source_p,
122	>	int parc, char *parv[])
123		{
124	<	int len = 0;
125	<	char nicks[IRCD_BUFSIZE] = { '\0' };
126	<	char *t = nicks;
127	<	const dlink_node *ptr = NULL;
128	<
129	<	len = strlen(me.name) + strlen(source_p->name) + 12;
124	>	char *mask = NULL;
125	>	char *p = NULL;
126	>	char nick[NICKLEN + 1];
127	>	char user[USERLEN + 1];
128	>	char host[HOSTLEN + 1];
129	>	struct split_nuh_item nuh;
130	>	struct split_nuh_item *accept_p = NULL;
131
132	<	DLINK_FOREACH(ptr, source_p->allow_list.head)
132	>	if (EmptyString(parv[1]) || !irccmp(parv[1], "*"))
133		{
134	<	const struct Client *target_p = ptr->data;
134	>	list_accepts(source_p);
135	>	return;
136	>	}
137
138	<	if ((t - nicks) + strlen(target_p->name) + len > IRCD_BUFSIZE)
138	>	for (mask = strtoken(&p, parv[1], ","); mask != NULL;
139	>	mask = strtoken(&p,    NULL, ","))
140	>	{
141	>	if (*mask == '-' && *++mask != '\0')
142		{
143	<	*(t - 1) = '\0';
144	<	sendto_one(source_p, form_str(RPL_ACCEPTLIST),
145	<	me.name, source_p->name, nicks);
146	<	t = nicks;
143	>	nuh.nuhmask  = mask;
144	>	nuh.nickptr  = nick;
145	>	nuh.userptr  = user;
146	>	nuh.hostptr  = host;
147	>
148	>	nuh.nicksize = sizeof(nick);
149	>	nuh.usersize = sizeof(user);
150	>	nuh.hostsize = sizeof(host);
151	>
152	>	split_nuh(&nuh);
153	>
154	>	if ((accept_p = find_accept(nick, user, host, source_p, irccmp)) == NULL)
155	>	{
156	>	sendto_one(source_p, form_str(ERR_ACCEPTNOT),
157	>	me.name, source_p->name, nick, user, host);
158	>	continue;
159	>	}
160	>
161	>	del_accept(accept_p, source_p);
162		}
163	+	else if (*mask != '\0')
164	+	{
165	+	if (dlink_list_length(&source_p->localClient->acceptlist) >=
166	+	ConfigFileEntry.max_accept)
167	+	{
168	+	sendto_one(source_p, form_str(ERR_ACCEPTFULL),
169	+	me.name, source_p->name);
170	+	return;
171	+	}
172
173	<	t += ircsprintf(t, "%s ", target_p->name);
174	<	}
173	>	nuh.nuhmask  = mask;
174	>	nuh.nickptr  = nick;
175	>	nuh.userptr  = user;
176	>	nuh.hostptr  = host;
177
178	<	if (nicks[0] != '\0')
179	<	{
180	<	*(t - 1) = '\0';
181	<	sendto_one(source_p, form_str(RPL_ACCEPTLIST),
182	<	me.name, source_p->name, nicks);
178	>	nuh.nicksize = sizeof(nick);
179	>	nuh.usersize = sizeof(user);
180	>	nuh.hostsize = sizeof(host);
181	>
182	>	split_nuh(&nuh);
183	>
184	>	if ((accept_p = find_accept(nick, user, host, source_p, irccmp)) != NULL)
185	>	{
186	>	sendto_one(source_p, form_str(ERR_ACCEPTEXIST),
187	>	me.name, source_p->name, nick, user, host);
188	>	continue;
189	>	}
190	>
191	>	add_accept(&nuh, source_p);
192	>	}
193		}
194	+	}
195
196	<	sendto_one(source_p, form_str(RPL_ENDOFACCEPT),
197	<	me.name, source_p->name);
196	>	static struct Message accept_msgtab = {
197	>	"ACCEPT", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
198	>	{ m_unregistered, m_accept, m_ignore, m_ignore, m_accept, m_ignore }
199	>	};
200	>
201	>	static void
202	>	module_init(void)
203	>	{
204	>	mod_add_cmd(&accept_msgtab);
205		}
206	+
207	+	static void
208	+	module_exit(void)
209	+	{
210	+	mod_del_cmd(&accept_msgtab);
211	+	}
212	+
213	+	struct module module_entry = {
214	+	.node    = { NULL, NULL, NULL },
215	+	.name    = NULL,
216	+	.version = "$Revision$",
217	+	.handle  = NULL,
218	+	.modinit = module_init,
219	+	.modexit = module_exit,
220	+	.flags   = 0
221	+	};

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