1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/* modules/m_alias.c - main module for aliases
* Copyright (c) 2016 Elizabeth Myers <elizabeth@interlinked.me>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "stdinc.h"
#include "client.h"
#include "parse.h"
#include "msg.h"
#include "modules.h"
#include "s_conf.h"
#include "s_serv.h"
#include "hash.h"
#include "ircd.h"
#include "match.h"
#include "numeric.h"
#include "send.h"
#include "packet.h"
#include "s_assert.h"
static const char alias_desc[] = "Provides the system for services aliases";
static void _moddeinit(void);
static void reload_aliases(void *);
static void m_alias(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
mapi_hfn_list_av1 alias_hfnlist[] = {
{ "conf_read_end", reload_aliases },
{ NULL, NULL },
};
DECLARE_MODULE_AV2(alias, NULL, _moddeinit, NULL, NULL, alias_hfnlist, NULL, NULL, alias_desc);
static rb_dlink_list alias_messages;
static const struct MessageEntry alias_msgtab[] =
{{m_alias, 2}, {m_alias, 2}, mg_ignore, mg_ignore, mg_ignore, {m_alias, 2}};
static inline void
create_aliases(void)
{
rb_dictionary_iter iter;
struct alias_entry *alias;
s_assert(rb_dlink_list_length(&alias_messages) == 0);
RB_DICTIONARY_FOREACH(alias, &iter, alias_dict)
{
struct Message *message = rb_malloc(sizeof(*message) + strlen(alias->name) + 1);
char *cmd = (char*)message + sizeof(*message);
/* copy the alias name as it will be freed early on a rehash */
strcpy(cmd, alias->name);
message->cmd = cmd;
memcpy(message->handlers, alias_msgtab, sizeof(alias_msgtab));
mod_add_cmd(message);
rb_dlinkAddAlloc(message, &alias_messages);
}
}
static inline void
destroy_aliases(void)
{
rb_dlink_node *ptr, *nptr;
RB_DLINK_FOREACH_SAFE(ptr, nptr, alias_messages.head)
{
mod_del_cmd((struct Message *)ptr->data);
rb_free(ptr->data);
rb_dlinkDestroy(ptr, &alias_messages);
}
}
static void
_moddeinit(void)
{
destroy_aliases();
}
static void
reload_aliases(void *data)
{
destroy_aliases(); /* Clear old aliases */
create_aliases();
}
/* The below was mostly taken from the old do_alias */
static void
m_alias(struct MsgBuf *msgbuf, struct Client *client_p, struct Client *source_p, int parc, const char **parv)
{
struct Client *target_p;
struct alias_entry *aptr = rb_dictionary_retrieve(alias_dict, msgbuf->cmd);
char *p;
if(aptr == NULL)
{
/* This shouldn't happen... */
if(IsPerson(client_p))
sendto_one(client_p, form_str(ERR_UNKNOWNCOMMAND),
me.name, client_p->name, msgbuf->cmd);
return;
}
if(!IsFloodDone(client_p) && client_p->localClient->receiveM > 20)
flood_endgrace(client_p);
p = strchr(aptr->target, '@');
if(p != NULL)
{
/* user@server */
target_p = find_server(NULL, p + 1);
if(target_p != NULL && IsMe(target_p))
target_p = NULL;
}
else
{
/* nick, must be +S */
target_p = find_named_person(aptr->target);
if(target_p != NULL && !IsService(target_p))
target_p = NULL;
}
if(target_p == NULL)
{
sendto_one_numeric(client_p, ERR_SERVICESDOWN, form_str(ERR_SERVICESDOWN), aptr->target);
return;
}
msgbuf_reconstruct_tail(msgbuf, 1);
if(EmptyString(parv[1]))
{
sendto_one(client_p, form_str(ERR_NOTEXTTOSEND), me.name, target_p->name);
return;
}
sendto_one(target_p, ":%s PRIVMSG %s :%s",
get_id(client_p, target_p),
p != NULL ? aptr->target : get_id(target_p, target_p),
parv[1]);
}
|
