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1 | /* | |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * modules.h: A header for the modules functions. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2004 ircd-ratbox development team | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
22 | * USA | |
23 | */ | |
24 | ||
25 | #ifndef INCLUDED_modules_h | |
26 | #define INCLUDED_modules_h | |
27 | #include "serno.h" | |
28 | #include "defaults.h" | |
29 | #include "setup.h" | |
30 | #include "parse.h" | |
31 | #include "client.h" /* for IDLEN */ | |
32 | ||
33 | #define MAPI_CHARYBDIS 2 | |
34 | ||
35 | #include <ltdl.h> | |
36 | ||
37 | #include "msg.h" | |
38 | #include "hook.h" | |
39 | ||
40 | struct module | |
41 | { | |
42 | char *name; | |
43 | const char *version; | |
44 | const char *description; | |
45 | lt_dlhandle address; | |
46 | int core; /* This is int for backwards compat reasons */ | |
47 | int origin; /* Ditto */ | |
48 | char *path; | |
49 | int mapi_version; | |
50 | void *mapi_header; /* actually struct mapi_mheader_av<mapi_version> */ | |
51 | rb_dlink_node node; | |
52 | }; | |
53 | ||
54 | #define MAPI_MAGIC_HDR 0x4D410000 | |
55 | ||
56 | #define MAPI_V1 (MAPI_MAGIC_HDR | 0x1) | |
57 | #define MAPI_V2 (MAPI_MAGIC_HDR | 0x2) | |
58 | ||
59 | #define MAPI_MAGIC(x) ((x) & 0xffff0000) | |
60 | #define MAPI_VERSION(x) ((x) & 0x0000ffff) | |
61 | ||
62 | typedef struct Message* mapi_clist_av1; | |
63 | ||
64 | typedef struct | |
65 | { | |
66 | const char *hapi_name; | |
67 | int *hapi_id; | |
68 | } mapi_hlist_av1; | |
69 | ||
70 | typedef struct | |
71 | { | |
72 | const char *hapi_name; | |
73 | hookfn fn; | |
74 | enum hook_priority priority; | |
75 | } mapi_hfn_list_av1; | |
76 | ||
77 | #define MAPI_CAP_CLIENT 1 | |
78 | #define MAPI_CAP_SERVER 2 | |
79 | ||
80 | typedef struct | |
81 | { | |
82 | int cap_index; /* Which cap index does this belong to? */ | |
83 | const char *cap_name; /* Capability name */ | |
84 | void *cap_ownerdata; /* Not used much but why not... */ | |
85 | unsigned int *cap_id; /* May be set to non-NULL to store cap id */ | |
86 | } mapi_cap_list_av2; | |
87 | ||
88 | struct mapi_mheader_av1 | |
89 | { | |
90 | int mapi_version; /* Module API version */ | |
91 | int (*mapi_register)(void); /* Register function; ret -1 = failure (unload) */ | |
92 | void (*mapi_unregister)(void); /* Unregister function. */ | |
93 | mapi_clist_av1 *mapi_command_list; /* List of commands to add. */ | |
94 | mapi_hlist_av1 *mapi_hook_list; /* List of hooks to add. */ | |
95 | mapi_hfn_list_av1 *mapi_hfn_list; /* List of hook_add_hook's to do */ | |
96 | const char *mapi_module_version; /* Module's version (freeform) */ | |
97 | }; | |
98 | ||
99 | #define MAPI_ORIGIN_UNKNOWN 0 /* Unknown provenance (AV1 etc.) */ | |
100 | #define MAPI_ORIGIN_EXTENSION 1 /* Charybdis extension */ | |
101 | #define MAPI_ORIGIN_CORE 2 /* Charybdis core module */ | |
102 | ||
103 | struct mapi_mheader_av2 | |
104 | { | |
105 | int mapi_version; /* Module API version */ | |
106 | int (*mapi_register)(void); /* Register function; ret -1 = failure (unload) */ | |
107 | void (*mapi_unregister)(void); /* Unregister function. */ | |
108 | mapi_clist_av1 *mapi_command_list; /* List of commands to add. */ | |
109 | mapi_hlist_av1 *mapi_hook_list; /* List of hooks to add. */ | |
110 | mapi_hfn_list_av1 *mapi_hfn_list; /* List of hook_add_hook's to do */ | |
111 | mapi_cap_list_av2 *mapi_cap_list; /* List of CAPs to add */ | |
112 | const char *mapi_module_version; /* Module's version (freeform), replaced with ircd version if NULL */ | |
113 | const char *mapi_module_description; /* Module's description (freeform) */ | |
114 | unsigned long int mapi_datecode; /* Unix timestamp of module's build */ | |
115 | }; | |
116 | ||
117 | #define DECLARE_MODULE_AV1(name, reg, unreg, cl, hl, hfnlist, v) \ | |
118 | struct mapi_mheader_av1 _mheader = { MAPI_V1, reg, unreg, cl, hl, hfnlist, v} | |
119 | ||
120 | #define DECLARE_MODULE_AV2(name, reg, unreg, cl, hl, hfnlist, caplist, v, desc) \ | |
121 | struct mapi_mheader_av2 _mheader = { MAPI_V2, reg, unreg, cl, hl, hfnlist, caplist, v, desc, DATECODE} | |
122 | ||
123 | struct modreload | |
124 | { | |
125 | char module[BUFSIZE]; | |
126 | char id[IDLEN]; | |
127 | }; | |
128 | ||
129 | /* add a path */ | |
130 | void mod_add_path(const char *path); | |
131 | void mod_clear_paths(void); | |
132 | ||
133 | /* cap-notify utilities */ | |
134 | extern void mod_remember_clicaps(void); | |
135 | extern void mod_notify_clicaps(void); | |
136 | ||
137 | /* load a module */ | |
138 | extern void load_module(char *path); | |
139 | ||
140 | /* load all modules */ | |
141 | extern void load_all_modules(bool warn); | |
142 | ||
143 | /* load core modules */ | |
144 | extern void load_core_modules(bool); | |
145 | ||
146 | extern bool unload_one_module(const char *, bool); | |
147 | extern bool load_one_module(const char *, int, bool); | |
148 | extern bool load_a_module(const char *, bool, int, bool); | |
149 | extern struct module *findmodule_byname(const char *); | |
150 | extern void init_modules(void); | |
151 | ||
152 | extern rb_dlink_list module_list; | |
153 | extern rb_dlink_list mod_paths; | |
154 | ||
155 | #endif /* INCLUDED_modules_h */ |