UNIXworkcode

1 /* 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. 3 * 4 * Copyright 2013 Olaf Wintermann. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef AUTH_H 30 #define AUTH_H 31 32 #include <sys/types.h> 33 #include <inttypes.h> 34 #include "../public/auth.h" 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 typedef struct { 41 User user; 42 char *authdb; 43 sstr_t *groups; 44 size_t numgroups; 45 char *password; 46 uint32_t ref; 47 } CachedUser; 48 49 typedef struct user_cache_elm UserCacheElm; 50 struct user_cache_elm { 51 CachedUser *user; 52 UserCacheElm *next_user; // next elm in the cached user list 53 UcxKey key; // key to access this element 54 size_t slot; // slot in the map 55 UserCacheElm *next_elm; // next element in this map slot 56 time_t created; 57 }; 58 59 typedef struct { 60 UserCacheElm **map; 61 size_t size; 62 size_t count; 63 size_t max_users; 64 UserCacheElm *head; 65 UserCacheElm *trail; 66 } UserCache; 67 68 void auth_cache_init(); 69 70 User* auth_cache_get(char *authdb, char *user); 71 void auth_cache_add( 72 char *authdb, 73 User *user, 74 char *password, 75 char **groups, 76 size_t numgroups); 77 78 void auth_cache_remove_from_map(UserCacheElm *elm); 79 80 int cached_user_verify_password(CachedUser *user, char *password); 81 int cached_user_check_group(CachedUser *user, char *group); 82 void cached_user_unref(CachedUser *user); 83 void cached_user_delete(CachedUser *user); 84 85 #ifdef __cplusplus 86 } 87 #endif 88 89 #endif /* AUTH_H */ 90 91