include/s_conf.h

   1 /*
   2  *  solanum: Advanced, scalable Internet Relay Chat.
   3  *  s_conf.h: A header for the configuration 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_s_conf_h
  26 #define INCLUDED_s_conf_h
  27 #include "setup.h"
  28
  29 #ifdef HAVE_LIBCRYPTO
  30 #include <openssl/rsa.h>
  31 #endif
  32
  33 #include "ircd_defs.h"
  34 #include "class.h"
  35 #include "client.h"
  36
  37 struct Client;
  38 struct DNSReply;
  39 struct hostent;
  40
  41 /* used by new parser */
  42 /* yacc/lex love globals!!! */
  43
  44 struct ip_value
  45 {
  46         struct rb_sockaddr_storage ip;
  47         int ip_mask;
  48         int type;
  49 };
  50
  51 extern FILE *conf_fbfile_in;
  52 extern char conf_line_in[256];
  53
  54 struct ConfItem
  55 {
  56         unsigned int status;    /* If CONF_ILLEGAL, delete when no clients */
  57         unsigned int flags;
  58         int clients;            /* Number of *LOCAL* clients using this */
  59         union
  60         {
  61                 char *name;     /* IRC name, nick, server name, or original u@h */
  62                 const char *oper;
  63         } info;
  64         char *host;             /* host part of user@host */
  65         char *passwd;           /* doubles as kline reason *ugh* */
  66         char *spasswd;          /* Password to send. */
  67         char *user;             /* user part of user@host */
  68         char *desc;             /* description */
  69         int port;
  70         time_t hold;            /* Hold action until this time (calendar time) */
  71         time_t created;         /* Creation time (for klines etc) */
  72         time_t lifetime;        /* Propagated lines: remember until this time */
  73         char *className;        /* Name of class */
  74         struct Class *c_class;  /* Class of connection */
  75         rb_patricia_node_t *pnode;      /* Our patricia node */
  76         int umodes, umodes_mask;        /* Override umodes specified by mask */
  77 };
  78
  79 #define CONF_ILLEGAL            0x80000000
  80 #define CONF_CLIENT             0x0002
  81 #define CONF_KILL               0x0040
  82 #define CONF_XLINE              0x0080
  83 #define CONF_RESV_CHANNEL       0x0100
  84 #define CONF_RESV_NICK          0x0200
  85 #define CONF_RESV               (CONF_RESV_CHANNEL | CONF_RESV_NICK)
  86
  87 #define CONF_DLINE              0x020000
  88 #define CONF_EXEMPTDLINE        0x100000
  89 #define CONF_SECURE             0x200000
  90
  91 #define IsIllegal(x)    ((x)->status & CONF_ILLEGAL)
  92
  93 /* aConfItem->flags */
  94
  95 /* Generic flags... */
  96 #define CONF_FLAGS_TEMPORARY            0x00800000
  97 #define CONF_FLAGS_NEED_SSL             0x00000002
  98 #define CONF_FLAGS_MYOPER               0x00080000      /* need to rewrite info.oper on burst */
  99 /* auth{} flags... */
 100 #define CONF_FLAGS_NO_TILDE             0x00000004
 101 #define CONF_FLAGS_NEED_IDENTD          0x00000008
 102 #define CONF_FLAGS_EXEMPTKLINE          0x00000040
 103 #define CONF_FLAGS_NOLIMIT              0x00000080
 104 #define CONF_FLAGS_SPOOF_IP             0x00000200
 105 #define CONF_FLAGS_SPOOF_NOTICE         0x00000400
 106 #define CONF_FLAGS_REDIR                0x00000800
 107 #define CONF_FLAGS_EXEMPTRESV           0x00002000      /* exempt from resvs */
 108 #define CONF_FLAGS_EXEMPTFLOOD          0x00004000
 109 #define CONF_FLAGS_EXEMPTSPAMBOT        0x00008000
 110 #define CONF_FLAGS_EXEMPTSHIDE          0x00010000
 111 #define CONF_FLAGS_EXEMPTJUPE           0x00020000      /* exempt from resv generating warnings */
 112 #define CONF_FLAGS_NEED_SASL            0x00040000
 113 #define CONF_FLAGS_EXTEND_CHANS         0x00080000
 114 #define CONF_FLAGS_ENCRYPTED            0x00200000
 115 #define CONF_FLAGS_EXEMPTDNSBL          0x04000000
 116 #define CONF_FLAGS_EXEMPTPROXY          0x08000000
 117 #define CONF_FLAGS_ALLOW_SCTP           0x10000000
 118 #define CONF_FLAGS_KLINE_SPOOF          0x20000000
 119
 120
 121 /* Macros for struct ConfItem */
 122 #define IsConfBan(x)            ((x)->status & (CONF_KILL|CONF_XLINE|CONF_DLINE|\
 123                                                 CONF_RESV_CHANNEL|CONF_RESV_NICK))
 124
 125 #define IsNoTilde(x)            ((x)->flags & CONF_FLAGS_NO_TILDE)
 126 #define IsNeedIdentd(x)         ((x)->flags & CONF_FLAGS_NEED_IDENTD)
 127 #define IsConfExemptKline(x)    ((x)->flags & CONF_FLAGS_EXEMPTKLINE)
 128 #define IsConfExemptLimits(x)   ((x)->flags & CONF_FLAGS_NOLIMIT)
 129 #define IsConfExemptFlood(x)    ((x)->flags & CONF_FLAGS_EXEMPTFLOOD)
 130 #define IsConfExemptSpambot(x)  ((x)->flags & CONF_FLAGS_EXEMPTSPAMBOT)
 131 #define IsConfExemptShide(x)    ((x)->flags & CONF_FLAGS_EXEMPTSHIDE)
 132 #define IsConfExemptJupe(x)     ((x)->flags & CONF_FLAGS_EXEMPTJUPE)
 133 #define IsConfExemptResv(x)     ((x)->flags & CONF_FLAGS_EXEMPTRESV)
 134 #define IsConfDoSpoofIp(x)      ((x)->flags & CONF_FLAGS_SPOOF_IP)
 135 #define IsConfSpoofNotice(x)    ((x)->flags & CONF_FLAGS_SPOOF_NOTICE)
 136 #define IsConfEncrypted(x)      ((x)->flags & CONF_FLAGS_ENCRYPTED)
 137 #define IsNeedSasl(x)           ((x)->flags & CONF_FLAGS_NEED_SASL)
 138 #define IsConfExemptDNSBL(x)    ((x)->flags & CONF_FLAGS_EXEMPTDNSBL)
 139 #define IsConfExemptProxy(x)    ((x)->flags & CONF_FLAGS_EXEMPTPROXY)
 140 #define IsConfExtendChans(x)    ((x)->flags & CONF_FLAGS_EXTEND_CHANS)
 141 #define IsConfSSLNeeded(x)      ((x)->flags & CONF_FLAGS_NEED_SSL)
 142 #define IsConfAllowSCTP(x)      ((x)->flags & CONF_FLAGS_ALLOW_SCTP)
 143 #define IsConfKlineSpoof(x)     ((x)->flags & CONF_FLAGS_KLINE_SPOOF)
 144
 145 enum stats_l_oper_only {
 146         STATS_L_OPER_ONLY_NO,
 147         STATS_L_OPER_ONLY_SELF,
 148         STATS_L_OPER_ONLY_YES,
 149 };
 150
 151 /* flag definitions for opers now in client.h */
 152
 153 struct config_file_entry
 154 {
 155         const char *dpath;      /* DPATH if set from command line */
 156         const char *configfile;
 157
 158         char *default_operstring;
 159         char *default_adminstring;
 160         char *servicestring;
 161         char *kline_reason;
 162
 163         char *identifyservice;
 164         char *identifycommand;
 165
 166         char *sasl_service;
 167
 168         char *fname_userlog;
 169         char *fname_fuserlog;
 170         char *fname_operlog;
 171         char *fname_foperlog;
 172         char *fname_serverlog;
 173         char *fname_killlog;
 174         char *fname_klinelog;
 175         char *fname_operspylog;
 176         char *fname_ioerrorlog;
 177
 178         int disable_fake_channels;
 179         int dots_in_ident;
 180         int failed_oper_notice;
 181         int anti_nick_flood;
 182         int anti_spam_exit_message_time;
 183         int max_accept;
 184         int max_monitor;
 185         int max_nick_time;
 186         int max_nick_changes;
 187         int ts_max_delta;
 188         int ts_warn_delta;
 189         int dline_with_reason;
 190         int kline_with_reason;
 191         int hide_tkdline_duration;
 192         int warn_no_nline;
 193         int nick_delay;
 194         int non_redundant_klines;
 195         int stats_e_disabled;
 196         int stats_c_oper_only;
 197         int stats_y_oper_only;
 198         int stats_o_oper_only;
 199         int stats_k_oper_only;
 200         enum stats_l_oper_only stats_l_oper_only;
 201         int stats_i_oper_only;
 202         int stats_P_oper_only;
 203         int map_oper_only;
 204         int operspy_admin_only;
 205         int pace_wait;
 206         int pace_wait_simple;
 207         int short_motd;
 208         int no_oper_flood;
 209         int hide_server;
 210         int hide_spoof_ips;
 211         int hide_error_messages;
 212         int client_exit;
 213         int oper_only_umodes;
 214         int oper_umodes;
 215         int oper_snomask;
 216         int max_targets;
 217         int caller_id_wait;
 218         int min_nonwildcard;
 219         int min_nonwildcard_simple;
 220         int default_floodcount;
 221         int default_ident_timeout;
 222         int ping_cookie;
 223         int tkline_expire_notices;
 224         int use_whois_actually;
 225         int disable_auth;
 226         int post_registration_delay;
 227         int connect_timeout;
 228         int burst_away;
 229         int reject_ban_time;
 230         int reject_after_count;
 231         int reject_duration;
 232         int throttle_count;
 233         int throttle_duration;
 234         int target_change;
 235         int collision_fnc;
 236         int resv_fnc;
 237         int default_umodes;
 238         int global_snotices;
 239         int operspy_dont_care_user_info;
 240         int use_propagated_bans;
 241         int max_ratelimit_tokens;
 242         int away_interval;
 243         int tls_ciphers_oper_only;
 244         int oper_secure_only;
 245
 246         char **hidden_caps;
 247
 248         int client_flood_max_lines;
 249         int client_flood_burst_rate;
 250         int client_flood_burst_max;
 251         int client_flood_message_time;
 252         int client_flood_message_num;
 253
 254         unsigned int nicklen;
 255         int certfp_method;
 256
 257         int hide_opers_in_whois;
 258         int hide_opers;
 259
 260         char *drain_reason;
 261         char *sasl_only_client_message;
 262         char *identd_only_client_message;
 263         char *sctp_forbidden_client_message;
 264         char *ssltls_only_client_message;
 265         char *not_authorised_client_message;
 266         char *illegal_hostname_client_message;
 267         char *server_full_client_message;
 268         char *illegal_name_long_client_message;
 269         char *illegal_name_short_client_message;
 270 };
 271
 272 struct config_channel_entry
 273 {
 274         int use_except;
 275         int use_invex;
 276         int use_forward;
 277         int use_knock;
 278         int knock_delay;
 279         int knock_delay_channel;
 280         int max_bans;
 281         int max_bans_large;
 282         int max_chans_per_user;
 283         int max_chans_per_user_large;
 284         int no_create_on_split;
 285         int no_join_on_split;
 286         int default_split_server_count;
 287         int default_split_user_count;
 288         int burst_topicwho;
 289         int kick_on_split_riding;
 290         int only_ascii_channels;
 291         int resv_forcepart;
 292         int channel_target_change;
 293         int disable_local_channels;
 294         unsigned int autochanmodes;
 295         int displayed_usercount;
 296         int strip_topic_colors;
 297         int opmod_send_statusmsg;
 298         int ip_bans_through_vhost;
 299 };
 300
 301 struct config_server_hide
 302 {
 303         int flatten_links;
 304         int links_delay;
 305         int hidden;
 306         int disable_hidden;
 307 };
 308
 309 struct server_info
 310 {
 311         char *name;
 312         char sid[4];
 313         char *description;
 314         char *network_name;
 315         struct rb_sockaddr_storage bind4;
 316         struct rb_sockaddr_storage bind6;
 317         int default_max_clients;
 318         char *ssl_private_key;
 319         char *ssl_ca_cert;
 320         char *ssl_cert;
 321         char *ssl_dh_params;
 322         char *ssl_cipher_list;
 323         int ssld_count;
 324         int wsockd_count;
 325 };
 326
 327 struct admin_info
 328 {
 329         char *name;
 330         char *description;
 331         char *email;
 332 };
 333
 334 struct alias_entry
 335 {
 336         char *name;
 337         char *target;
 338         int flags;                      /* reserved for later use */
 339 };
 340
 341 /* All variables are GLOBAL */
 342 extern struct config_file_entry ConfigFileEntry;        /* defined in ircd.c */
 343 extern struct config_channel_entry ConfigChannel;       /* defined in channel.c */
 344 extern struct config_server_hide ConfigServerHide;      /* defined in s_conf.c */
 345 extern struct server_info ServerInfo;   /* defined in ircd.c */
 346 extern struct admin_info AdminInfo;     /* defined in ircd.c */
 347 /* End GLOBAL section */
 348
 349 extern rb_dlink_list service_list;
 350
 351 extern rb_dictionary *prop_bans_dict;
 352
 353 typedef enum temp_list
 354 {
 355         TEMP_MIN,
 356         TEMP_HOUR,
 357         TEMP_DAY,
 358         TEMP_WEEK,
 359         LAST_TEMP_TYPE
 360 } temp_list;
 361
 362 extern rb_dlink_list temp_klines[LAST_TEMP_TYPE];
 363 extern rb_dlink_list temp_dlines[LAST_TEMP_TYPE];
 364
 365 extern void init_s_conf(void);
 366
 367 extern struct ConfItem *make_conf(void);
 368 extern void free_conf(struct ConfItem *);
 369
 370 extern struct ConfItem *find_prop_ban(unsigned int status, const char *user, const char *host);
 371 extern void add_prop_ban(struct ConfItem *);
 372 extern void remove_prop_ban(struct ConfItem *);
 373 extern bool lookup_prop_ban(struct ConfItem *);
 374 extern void deactivate_conf(struct ConfItem *, time_t);
 375 extern void replace_old_ban(struct ConfItem *);
 376
 377 extern void read_conf_files(bool cold);
 378
 379 extern int attach_conf(struct Client *, struct ConfItem *);
 380 extern int check_client(struct Client *client_p, struct Client *source_p, const char *);
 381
 382 extern void deref_conf(struct ConfItem *);
 383 extern int detach_conf(struct Client *);
 384
 385 extern struct ConfItem *find_tkline(const char *, const char *, struct sockaddr *);
 386 extern char *show_iline_prefix(struct Client *, struct ConfItem *, char *);
 387 extern void get_printable_conf(struct ConfItem *,
 388                                char **, char **, const char **, char **, int *, char **, char **);
 389 extern char *get_user_ban_reason(struct ConfItem *aconf);
 390 extern void get_printable_kline(struct Client *, struct ConfItem *,
 391                                 char **, char **, char **, char **);
 392
 393 extern void yyerror(const char *);
 394 extern int conf_yy_fatal_error(const char *);
 395 extern int conf_fgets(char *, int, FILE *);
 396
 397 extern int valid_wild_card(const char *, const char *);
 398 extern void add_temp_kline(struct ConfItem *);
 399 extern void add_temp_dline(struct ConfItem *);
 400 extern void report_temp_klines(struct Client *);
 401 extern void show_temp_klines(struct Client *, rb_dlink_list *);
 402
 403 extern bool rehash(bool);
 404 extern void rehash_bans(void);
 405
 406 extern int conf_add_server(struct ConfItem *, int);
 407 extern void conf_add_class_to_conf(struct ConfItem *);
 408 extern void conf_add_me(struct ConfItem *);
 409 extern void conf_add_class(struct ConfItem *, int);
 410 extern void conf_add_d_conf(struct ConfItem *);
 411 extern void flush_expired_ips(void *);
 412
 413 extern const char *get_oper_name(struct Client *client_p);
 414
 415 extern int yylex(void);
 416
 417 extern unsigned long cidr_to_bitmask[];
 418
 419 extern char conffilebuf[BUFSIZE + 1];
 420 extern int lineno;
 421
 422 #define NOT_AUTHORISED  (-1)
 423 #define I_SOCKET_ERROR  (-2)
 424 #define I_LINE_FULL     (-3)
 425 #define BANNED_CLIENT   (-4)
 426 #define TOO_MANY_LOCAL  (-6)
 427 #define TOO_MANY_GLOBAL (-7)
 428 #define TOO_MANY_IDENT  (-8)
 429
 430 #endif /* INCLUDED_s_conf_h */