86 lines
3.4 KiB
C
86 lines
3.4 KiB
C
/*
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* uhub - A tiny ADC p2p connection hub
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* Copyright (C) 2007-2009, Jan Vidar Krey
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef HAVE_UHUB_ACL_H
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#define HAVE_UHUB_ACL_H
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struct hub_config;
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struct hub_user;
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struct ip_addr_encap;
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enum user_credentials
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{
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cred_none, /**<<< "User has no credentials (not yet logged in)" */
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cred_bot, /**<<< "User is a robot" */
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cred_guest, /**<<< "User is a guest (unregistered user)" */
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cred_user, /**<<< "User is identified as a registered user" */
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cred_operator, /**<<< "User is identified as a hub operator" */
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cred_super, /**<<< "User is a super user" (not used) */
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cred_admin, /**<<< "User is identified as a hub administrator/owner" */
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cred_link, /**<<< "User is a link (not used currently)" */
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};
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const char* get_user_credential_string(enum user_credentials cred);
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struct hub_user_access_info
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{
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char* username; /* name of user, cid or IP range */
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char* password; /* password */
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enum user_credentials status;
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};
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struct acl_handle
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{
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struct linked_list* users; /* Known users. See enum user_status */
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struct linked_list* cids; /* Known CIDs */
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struct linked_list* networks; /* IP ranges, used for banning */
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struct linked_list* nat_override; /* IPs inside these ranges can provide their false IP. Use with care! */
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struct linked_list* users_banned; /* Users permanently banned */
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struct linked_list* users_denied; /* bad nickname */
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};
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extern int acl_initialize(struct hub_config* config, struct acl_handle* handle);
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extern int acl_shutdown(struct acl_handle* handle);
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extern struct hub_user_access_info* acl_get_access_info(struct acl_handle* handle, const char* name);
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extern int acl_is_cid_banned(struct acl_handle* handle, const char* cid);
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extern int acl_is_ip_banned(struct acl_handle* handle, const char* ip_address);
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extern int acl_is_ip_nat_override(struct acl_handle* handle, const char* ip_address);
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extern int acl_is_user_banned(struct acl_handle* handle, const char* name);
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extern int acl_is_user_denied(struct acl_handle* handle, const char* name);
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extern int acl_user_ban_nick(struct acl_handle* handle, const char* nick);
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extern int acl_user_ban_cid(struct acl_handle* handle, const char* cid);
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extern int acl_user_unban_nick(struct acl_handle* handle, const char* nick);
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extern int acl_user_unban_cid(struct acl_handle* handle, const char* cid);
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extern const char* acl_password_generate_challenge(struct acl_handle* acl, struct hub_user* user);
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/**
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* Verify a password.
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*
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* @param password the hashed password (based on the nonce).
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* @return 1 if the password matches, or 0 if the password is incorrect.
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*/
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extern int acl_password_verify(struct acl_handle* acl, struct hub_user* user, const char* password);
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#endif /* HAVE_UHUB_ACL_H */
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