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First check if channel has mode "N", then check membership
[ngircd-alex.git] / src / ngircd / class.c
1 /*
2  * ngIRCd -- The Next Generation IRC Daemon
3  * Copyright (c)2001-2014 Alexander Barton (alex@barton.de) and Contributors.
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  * Please read the file COPYING, README and AUTHORS for more information.
10  */
11
12 #include "portab.h"
13
14 /**
15  * @file
16  * User class management.
17  */
18
19 #include <assert.h>
20 #include <stdio.h>
21 #include <string.h>
22
23 #include "conn.h"
24 #include "lists.h"
25
26 #include "class.h"
27
28 struct list_head My_Classes[CLASS_COUNT];
29
30 GLOBAL void
31 Class_Init(void)
32 {
33         memset(My_Classes, 0, sizeof(My_Classes));
34 }
35
36 GLOBAL void
37 Class_Exit(void)
38 {
39         int i;
40
41         for (i = 0; i < CLASS_COUNT; Lists_Free(&My_Classes[i++]));
42 }
43
44 GLOBAL bool
45 Class_GetMemberReason(const int Class, CLIENT *Client, char *reason, size_t len)
46 {
47         char str[COMMAND_LEN];
48
49         assert(Class < CLASS_COUNT);
50         assert(Client != NULL);
51
52         strlcpy(str, "listed", sizeof(str));
53
54         if (!Lists_CheckReason(&My_Classes[Class], Client, str, sizeof(str)))
55                 return false;
56
57         switch(Class) {
58                 case CLASS_GLINE:
59                         snprintf(reason, len, "\"%s\" (G-Line)", str);
60                         break;
61                 case CLASS_KLINE:
62                         snprintf(reason, len, "\"%s\" (K-Line)", str);
63                         break;
64                 default:
65                         snprintf(reason, len, "%s", str);
66                         break;
67         }
68         return true;
69 }
70
71 /**
72  * Check if a client is banned from this server: GLINE, KLINE.
73  *
74  * If a client isn't allowed to connect, it will be disconnected again.
75  *
76  * @param Client The client to check.
77  * @return CONNECTED if client is allowed to join, DISCONNECTED if not.
78  */
79 GLOBAL bool
80 Class_HandleServerBans(CLIENT *Client)
81 {
82         char reject[COMMAND_LEN];
83
84         assert(Client != NULL);
85
86         if (Class_GetMemberReason(CLASS_GLINE, Client, reject, sizeof(reject)) ||
87             Class_GetMemberReason(CLASS_KLINE, Client, reject, sizeof(reject))) {
88                 Client_Reject(Client, reject, true);
89                 return DISCONNECTED;
90         }
91
92         return CONNECTED;
93 }
94
95
96 GLOBAL bool
97 Class_AddMask(const int Class, const char *Pattern, time_t ValidUntil,
98               const char *Reason)
99 {
100         char mask[MASK_LEN];
101
102         assert(Class < CLASS_COUNT);
103         assert(Pattern != NULL);
104         assert(Reason != NULL);
105
106         Lists_MakeMask(Pattern, mask, sizeof(mask));
107         return Lists_Add(&My_Classes[Class], mask,
108                          ValidUntil, Reason, false);
109 }
110
111 GLOBAL void
112 Class_DeleteMask(const int Class, const char *Pattern)
113 {
114         char mask[MASK_LEN];
115
116         assert(Class < CLASS_COUNT);
117         assert(Pattern != NULL);
118
119         Lists_MakeMask(Pattern, mask, sizeof(mask));
120         Lists_Del(&My_Classes[Class], mask);
121 }
122
123 GLOBAL struct list_head *
124 Class_GetList(const int Class)
125 {
126         assert(Class < CLASS_COUNT);
127
128         return &My_Classes[Class];
129 }
130
131 GLOBAL void
132 Class_Expire(void)
133 {
134         Lists_Expire(&My_Classes[CLASS_GLINE], "G-Line");
135         Lists_Expire(&My_Classes[CLASS_KLINE], "K-Line");
136 }
137
138 /* -eof- */