src/nickserv.h

   1 /* nickserv.h - Nick/authentiction service
   2  * Copyright 2000-2004 srvx Development Team
   3  *
   4  * This file is part of x3.
   5  *
   6  * x3 is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with srvx; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
  19  */
  20
  21 #ifndef _nickserv_h
  22 #define _nickserv_h
  23
  24 #include "hash.h"   /* for NICKLEN, etc., and common.h */
  25 #include "dict.h"
  26 #include <tre/regex.h> /* for regex in nickserv_config */
  27 struct svccmd;
  28
  29 #define NICKSERV_HANDLE_LEN ACCOUNTLEN
  30 #define COOKIELEN 10
  31
  32 /* HI_FLAG_* go into handle_info.flags */
  33 #define HI_FLAG_OPER_SUSPENDED 0x00000001
  34 #define HI_FLAG_USE_PRIVMSG    0x00000002
  35 #define HI_FLAG_SUPPORT_HELPER 0x00000004
  36 #define HI_FLAG_HELPING        0x00000008
  37 #define HI_FLAG_SUSPENDED      0x00000010
  38 #define HI_FLAG_MIRC_COLOR     0x00000020
  39 #define HI_FLAG_FROZEN         0x00000040
  40 #define HI_FLAG_NODELETE       0x00000080
  41 #define HI_FLAG_NETWORK_HELPER 0x00000100
  42 #define HI_FLAG_BOT            0x00000200
  43 #define HI_FLAG_AUTOHIDE       0x00000400
  44 #define HI_FLAG_ADVANCED       0x00000800
  45 /* Flag characters for the above.  First char is LSB, etc. */
  46 #define HANDLE_FLAGS "SphgscfnHbx"
  47
  48 /* HI_STYLE_* go into handle_info.userlist_style */
  49 #define HI_STYLE_NORMAL        'n'
  50 #define HI_STYLE_CLEAN         'c'
  51 #define HI_STYLE_ADVANCED      'a'
  52 #define HI_STYLE_CLASSIC       'k'
  53
  54 #define HI_DEFAULT_FLAGS       (HI_FLAG_MIRC_COLOR)
  55
  56 /* This is overridden by conf file */
  57 #define HI_DEFAULT_STYLE       HI_STYLE_NORMAL
  58
  59 #define HANDLE_FLAGGED(hi, tok) ((hi)->flags & HI_FLAG_##tok)
  60 #define HANDLE_SET_FLAG(hi, tok) ((hi)->flags |= HI_FLAG_##tok)
  61 #define HANDLE_TOGGLE_FLAG(hi, tok) ((hi)->flags ^= HI_FLAG_##tok)
  62 #define HANDLE_CLEAR_FLAG(hi, tok) ((hi)->flags &= ~HI_FLAG_##tok)
  63
  64 #define IsSupportHelper(user) (user->handle_info && HANDLE_FLAGGED(user->handle_info, SUPPORT_HELPER))
  65 #define IsNetworkHelper(user) (user->handle_info && HANDLE_FLAGGED(user->handle_info, NETWORK_HELPER))
  66 #define IsHelper(user) (IsSupportHelper(user) || IsNetworkHelper(user))
  67 #define IsHelping(user) (user->handle_info && HANDLE_FLAGGED(user->handle_info, HELPING))
  68 #define IsStaff(user) (IsOper(user) || IsSupportHelper(user) || IsNetworkHelper(user))
  69 #define IsBot(user) (user->handle_info && HANDLE_FLAGGED(user->handle_info, BOT))
  70
  71 enum cookie_type {
  72     ACTIVATION,
  73     PASSWORD_CHANGE,
  74     EMAIL_CHANGE,
  75     ALLOWAUTH
  76 };
  77
  78 struct handle_cookie {
  79     struct handle_info *hi;
  80     char *data;
  81     enum cookie_type type;
  82     time_t expires;
  83     char cookie[COOKIELEN+1];
  84 };
  85
  86 struct handle_note {
  87     char            setter[NICKSERV_HANDLE_LEN+1];
  88     time_t          date;
  89     char            note[1];
  90 };
  91
  92 struct handle_info {
  93     struct nick_info *nicks;
  94     struct string_list *masks;
  95     struct string_list *sslfps;
  96     struct string_list *ignores;
  97     struct userNode *users;
  98     struct userData *channels;
  99     struct handle_cookie *cookie;
 100     struct handle_note *note;
 101     struct language *language;
 102     char *email_addr;
 103     char *epithet;
 104     char *infoline;
 105     char *handle;
 106     char *fakehost;
 107     time_t registered;
 108     time_t lastseen;
 109     int karma;
 110     unsigned short flags;
 111     unsigned short opserv_level;
 112     unsigned short screen_width;
 113     unsigned short table_width;
 114     unsigned char userlist_style;
 115     unsigned char announcements;
 116     unsigned char maxlogins;
 117     char passwd[MD5_CRYPT_LENGTH+1];
 118     char last_quit_host[USERLEN+HOSTLEN+2];
 119 };
 120
 121 struct nick_info {
 122     struct handle_info *owner;
 123     struct nick_info *next; /* next nick owned by same handle */
 124     char nick[NICKLEN+1];
 125 };
 126
 127 struct handle_info_list {
 128     unsigned int used, size;
 129     struct handle_info **list;
 130     char *tag; /* e.g. email address */
 131 };
 132
 133 extern const char *handle_flags;
 134
 135 enum reclaim_action {
 136     RECLAIM_NONE,
 137     RECLAIM_WARN,
 138     RECLAIM_SVSNICK,
 139     RECLAIM_KILL
 140 };
 141
 142 struct nickserv_config {
 143     unsigned int disable_nicks : 1;
 144     unsigned int valid_handle_regex_set : 1;
 145     unsigned int valid_nick_regex_set : 1;
 146     unsigned int valid_fakehost_regex_set : 1;
 147     unsigned int autogag_enabled : 1;
 148     unsigned int email_enabled : 1;
 149     unsigned int email_required : 1;
 150     unsigned int default_hostmask : 1;
 151     unsigned int warn_nick_owned : 1;
 152     unsigned int warn_clone_auth : 1;
 153     unsigned int sync_log : 1;
 154     unsigned long nicks_per_handle;
 155     unsigned long password_min_length;
 156     unsigned long password_min_digits;
 157     unsigned long password_min_upper;
 158     unsigned long password_min_lower;
 159     unsigned long db_backup_frequency;
 160     unsigned long handle_expire_frequency;
 161     unsigned long autogag_duration;
 162     unsigned long email_visible_level;
 163     unsigned long cookie_timeout;
 164     unsigned long handle_expire_delay;
 165     unsigned long nochan_handle_expire_delay;
 166     unsigned long modoper_level;
 167     unsigned long set_epithet_level;
 168     unsigned long set_title_level;
 169     unsigned long set_fakehost_level;
 170     unsigned long handles_per_email;
 171     unsigned long email_search_level;
 172     const char *network_name;
 173     const char *titlehost_suffix;
 174     regex_t valid_handle_regex;
 175     regex_t valid_nick_regex;
 176     regex_t valid_fakehost_regex;
 177     dict_t weak_password_dict;
 178     struct policer_params *auth_policer_params;
 179     enum reclaim_action reclaim_action;
 180     enum reclaim_action auto_reclaim_action;
 181     unsigned long auto_reclaim_delay;
 182     unsigned char default_maxlogins;
 183     unsigned char hard_maxlogins;
 184     unsigned long ounregister_inactive;
 185     unsigned long ounregister_flags;
 186     const char *auto_oper;
 187     const char *auto_admin;
 188     const char *auto_oper_privs;
 189     const char *auto_admin_privs;
 190     char default_style;
 191     struct string_list *denied_fakehost_words;
 192     unsigned int force_handles_lowercase;
 193     unsigned int ldap_enable;
 194 #ifdef WITH_LDAP
 195     const char *ldap_uri;
 196     const char *ldap_base;
 197     const char *ldap_dn_fmt;
 198     unsigned int ldap_version;
 199     unsigned int ldap_autocreate;
 200
 201     const char *ldap_admin_dn;
 202     const char *ldap_admin_pass;
 203     const char *ldap_field_account;
 204     const char *ldap_field_password;
 205     const char *ldap_field_email;
 206     const char *ldap_field_oslevel;
 207     struct string_list *ldap_object_classes;
 208     const char *ldap_oper_group_dn;
 209     unsigned int ldap_oper_group_level;
 210     const char *ldap_field_group_member;
 211     unsigned int ldap_timeout;
 212 #endif
 213 };
 214
 215 void init_nickserv(const char *nick);
 216 struct handle_info *get_handle_info(const char *handle);
 217 struct handle_info *smart_get_handle_info(struct userNode *service, struct userNode *user, const char *name);
 218 int oper_try_set_access(struct userNode *user, struct userNode *bot, struct handle_info *target, unsigned int new_level);
 219 int oper_outranks(struct userNode *user, struct handle_info *hi);
 220 struct nick_info *get_nick_info(const char *nick);
 221 struct modeNode *find_handle_in_channel(struct chanNode *channel, struct handle_info *handle, struct userNode *except);
 222 int nickserv_modify_handle_flags(struct userNode *user, struct userNode *bot, const char *str, unsigned long *add, unsigned long *remove);
 223 int oper_has_access(struct userNode *user, struct userNode *bot, unsigned int min_level, unsigned int quiet);
 224 void nickserv_show_oper_accounts(struct userNode *user, struct svccmd *cmd);
 225
 226 struct handle_info *get_victim_oper(struct userNode *user, const char *target);
 227 struct handle_info *loc_auth(char *sslfp, char *handle, char *password, char *userhost);
 228
 229 typedef void (*user_mode_func_t)(struct userNode *user, const char *mode_change, void *extra);
 230 void reg_user_mode_func(user_mode_func_t func, void *extra);
 231 typedef void (*channel_mode_func_t)(struct userNode *who, struct chanNode *channel, char **mode, unsigned int argc, void *extra);
 232 void reg_channel_mode_func(channel_mode_func_t func, void *extra);
 233
 234 /* auth_funcs are called when a user gets a new handle_info.  They are
 235  * called *after* user->handle_info has been updated.  */
 236 typedef void (*auth_func_t)(struct userNode *user, struct handle_info *old_handle, void *extra);
 237 void reg_auth_func(auth_func_t func, void *extra);
 238
 239 /* Called just after a handle is renamed. */
 240 typedef void (*handle_rename_func_t)(struct handle_info *handle, const char *old_handle, void *extra);
 241 void reg_handle_rename_func(handle_rename_func_t func, void *extra);
 242
 243 /* unreg_funcs are called right before a handle is unregistered.
 244  * `user' is the person who caused the handle to be unregistered (either a
 245  * client authed to the handle, or an oper). */
 246 typedef void (*unreg_func_t)(struct userNode *user, struct handle_info *handle, void *extra);
 247 void reg_unreg_func(unreg_func_t func, void *extra);
 248
 249 /* Called just before a handle is merged */
 250 typedef void (*handle_merge_func_t)(struct userNode *user, struct handle_info *handle_to, struct handle_info *handle_from, void *extra);
 251 void reg_handle_merge_func(handle_merge_func_t, void *extra);
 252
 253 /* Called after an allowauth. handle is null if allowauth authorization was
 254  * removed */
 255 typedef void (*allowauth_func_t)(struct userNode *user, struct userNode *target, struct handle_info *handle, void *extra);
 256 void reg_allowauth_func(allowauth_func_t func, void *extra);
 257
 258 /* Called when an auth attempt fails because of a bad password */
 259 typedef void (*failpw_func_t)(struct userNode *user, struct handle_info *handle, void *extra);
 260 void reg_failpw_func(failpw_func_t func, void *extra);
 261
 262 void send_func_list(struct userNode *user);
 263
 264 extern dict_t nickserv_handle_dict;
 265
 266 #endif