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forward port of asuka-rehash.patch to .12
[irc/quakenet/snircd.git] / include / s_conf.h
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189935b1 1/** @file s_conf.h
2 * @brief ircd configuration file API.
3 * @version $Id: s_conf.h,v 1.34 2005/08/21 13:46:07 entrope Exp $
4 */
5#ifndef INCLUDED_s_conf_h
6#define INCLUDED_s_conf_h
7#ifndef INCLUDED_time_h
8#include <time.h> /* struct tm */
9#define INCLUDED_time_h
10#endif
11#ifndef INCLUDED_sys_types_h
12#include <sys/types.h>
13#define INCLUDED_sys_types_h
14#endif
15#include "client.h"
16
17struct Client;
18struct SLink;
19struct Message;
20
21/*
22 * General defines
23 */
24
25/*-----------------------------------------------------------------------------
26 * Macros
27 */
28
29#define CONF_ILLEGAL 0x80000000 /**< Delete the ConfItem when no remaining clients. */
30#define CONF_CLIENT 0x0002 /**< ConfItem describes a Client block */
31#define CONF_SERVER 0x0004 /**< ConfItem describes a Connect block */
32#define CONF_OPERATOR 0x0020 /**< ConfItem describes an Operator block */
33#define CONF_UWORLD 0x8000 /**< ConfItem describes a Uworld server */
34
35#define CONF_AUTOCONNECT 0x0001 /**< Autoconnect to a server */
36
37/** Indicates ConfItem types that count associated clients. */
38#define CONF_CLIENT_MASK (CONF_CLIENT | CONF_OPERATOR | CONF_SERVER)
39
40/** Checks whether the CONF_ILLEGAL bit is set on \a x. */
41#define IsIllegal(x) ((x)->status & CONF_ILLEGAL)
42
43/*
44 * Structures
45 */
46
47/** Configuration item to limit peer or client access. */
48struct ConfItem
49{
50 struct ConfItem *next; /**< Next ConfItem in #GlobalConfList */
51 unsigned int status; /**< Set of CONF_* bits. */
52 unsigned int clients; /**< Number of *LOCAL* clients using this */
53 unsigned int maximum; /**< For CONF_SERVER, max hops.
54 For CONF_CLIENT, max connects per IP. */
55 struct ConnectionClass *conn_class; /**< Class of connection */
56 struct irc_sockaddr origin; /**< Local address for outbound connections */
57 struct irc_sockaddr address; /**< IP and port */
58 char *username; /**< For CONF_CLIENT and CONF_OPERATOR, username mask. */
59 char *host; /**< Peer hostname */
60 char *origin_name; /**< Text form of origin address */
61 char *passwd; /**< Password field */
62 char *name; /**< Name of peer */
63 char *hub_limit; /**< Mask that limits servers allowed behind
64 this one. */
65 time_t hold; /**< Earliest time to attempt an outbound
66 connect on this ConfItem. */
67 int dns_pending; /**< A dns request is pending. */
68 int flags; /**< Additional modifiers for item. */
69 int addrbits; /**< Number of bits valid in ConfItem::address. */
70 struct Privs privs; /**< Privileges for opers. */
71 /** Used to detect if a privilege has been set by this ConfItem. */
72 struct Privs privs_dirty;
73};
74
75/** Channel quarantine structure. */
76struct qline
77{
78 struct qline *next; /**< Next qline in #GlobalQuarantineList. */
79 char *chname; /**< Quarantined channel name. */
80 char *reason; /**< Reason for quarantine. */
81};
82
83/** Local K-line structure. */
84struct DenyConf {
85 struct DenyConf* next; /**< Next DenyConf in #denyConfList. */
86 char* hostmask; /**< Mask for IP or hostname. */
87 char* message; /**< Message to send to denied users. */
88 char* usermask; /**< Mask for client's username. */
89 char* realmask; /**< Mask for realname. */
90 struct irc_in_addr address; /**< Address for IP-based denies. */
91 unsigned int flags; /**< Interpretation flags for the above. */
92 unsigned char bits; /**< Number of bits for ipkills */
93};
94
95#define DENY_FLAGS_FILE 0x0001 /**< Comment is a filename */
96
97/** Local server configuration. */
98struct LocalConf {
99 char* name; /**< Name of server. */
100 char* description; /**< Description of server. */
101 unsigned int numeric; /**< Globally assigned server numnick. */
102 char* location1; /**< First line of location information. */
103 char* location2; /**< Second line of location information. */
104 char* contact; /**< Admin contact information. */
105};
106
107enum {
108 CRULE_AUTO = 1, /**< CRule applies to automatic connections. */
109 CRULE_ALL = 2, /**< CRule applies to oper-requested connections. */
110 CRULE_MASK = 3
111};
112
113/** Connection rule configuration. */
114struct CRuleConf {
115 struct CRuleConf* next; /**< Next CRule in cruleConfList. */
116 char* hostmask; /**< Mask of affected server names. */
117 char* rule; /**< Text version of the rule. */
118 int type; /**< One of CRULE_AUTO or CRULE_ALL. */
119 struct CRuleNode* node; /**< Parsed form of the rule. */
120};
121
122/** Authorization check result. */
123enum AuthorizationCheckResult {
124 ACR_OK, /**< User accepted. */
125 ACR_NO_AUTHORIZATION, /**< No matching ConfItem for the user. */
126 ACR_TOO_MANY_IN_CLASS, /**< Connection class was already full. */
127 ACR_TOO_MANY_FROM_IP, /**< User's IP already has max connections. */
128 ACR_ALREADY_AUTHORIZED, /**< User already had an attached ConfItem. */
129 ACR_BAD_SOCKET /**< Client has bad file descriptor. */
130};
131
132/** Target description for service commands. */
133struct nick_host {
134 struct nick_host *next; /**< Next nick_host struct in struct s_map. */
135 int nicklen; /**< offset of @ part of server string */
136 char nick[1]; /**< start of nick\@server string */
137};
138
139#define SMAP_FAST 1 /**< Command does not have MFLG_SLOW. */
140
141/** Target set for a service pseudo-command. */
142struct s_map {
143 struct s_map *next; /**< Next element in #GlobalServiceMapList. */
144 struct Message *msg; /**< Message element formed for this mapping. */
145 char *name; /**< Text name of the mapping. */
146 char *command; /**< Command name to use. */
147 char *prepend; /**< Extra text to prepend to user's text. */
148 unsigned int flags; /**< Bitwise map of SMAP_* flags. */
149 struct nick_host *services; /**< Linked list of possible targets. */
150};
151
152
153/*
154 * GLOBALS
155 */
156extern struct ConfItem* GlobalConfList;
157extern int GlobalConfCount;
158extern struct s_map* GlobalServiceMapList;
159extern struct qline* GlobalQuarantineList;
160
161/*
162 * Proto types
163 */
164
165extern int init_conf(void);
166
167extern const struct LocalConf* conf_get_local(void);
168extern const struct CRuleConf* conf_get_crule_list(void);
169extern const struct DenyConf* conf_get_deny_list(void);
170
171extern const char* conf_eval_crule(const char* name, int mask);
172
173extern struct ConfItem* attach_confs_byhost(struct Client* cptr, const char* host, int statmask);
174extern struct ConfItem* find_conf_byhost(struct SLink* lp, const char* host, int statmask);
175extern struct ConfItem* find_conf_byname(struct SLink* lp, const char *name, int statmask);
176extern struct ConfItem* conf_find_server(const char* name);
177
178extern void det_confs_butmask(struct Client *cptr, int mask);
179extern enum AuthorizationCheckResult attach_conf(struct Client *cptr, struct ConfItem *aconf);
180extern struct ConfItem* find_conf_exact(const char* name, struct Client *cptr, int statmask);
181extern enum AuthorizationCheckResult conf_check_client(struct Client *cptr);
182extern int conf_check_server(struct Client *cptr);
183extern int rehash(struct Client *cptr, int sig);
8b897318 184extern int find_kill(struct Client *cptr, int glinecheck);
189935b1 185extern const char *find_quarantine(const char* chname);
186extern void lookup_confhost(struct ConfItem *aconf);
187extern void conf_parse_userhost(struct ConfItem *aconf, char *host);
188extern struct ConfItem *conf_debug_iline(const char *client);
189extern void free_mapping(struct s_map *smap);
190
191extern void yyerror(const char *msg);
192
193#endif /* INCLUDED_s_conf_h */
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