1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _IDMAPD_H 27 #define _IDMAPD_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <stdio.h> 32 #include <stdlib.h> 33 #include <syslog.h> 34 #include <stdarg.h> 35 #include <rpc/rpc.h> 36 #include <synch.h> 37 #include <thread.h> 38 #include <libintl.h> 39 #include <strings.h> 40 #include <sqlite/sqlite.h> 41 #include <inttypes.h> 42 #include "idmap_prot.h" 43 #include "adutils.h" 44 #include "idmap_config.h" 45 46 #ifdef __cplusplus 47 extern "C" { 48 #endif 49 50 /* States a server can be in wrt request */ 51 #define _IDLE 0 52 #define _SERVED 1 53 54 #define CHECK_NULL(s) s?s:"null" 55 56 #define SENTINEL_PID UINT32_MAX 57 58 extern int _rpcsvcstate; /* set when a request is serviced */ 59 extern int _rpcsvccount; /* number of requests being serviced */ 60 extern mutex_t _svcstate_lock; /* lock for _rpcsvcstate, _rpcsvccount */ 61 62 /* 63 * Global state of idmapd daemon. 64 */ 65 #define IDMAP_MAX_NAME_LEN 512 66 typedef struct idmapd_state { 67 rwlock_t rwlk_cfg; /* config lock */ 68 idmap_cfg_t *cfg; /* config */ 69 bool_t daemon_mode; /* daemon mode? yes/no */ 70 char hostname[MAX_NAME_LEN]; /* my hostname */ 71 char domainname[IDMAP_MAX_NAME_LEN]; /* my domain */ 72 uid_t next_uid; 73 gid_t next_gid; 74 uid_t limit_uid; 75 gid_t limit_gid; 76 int new_eph_db; /* was the ephem ID db [re-]created? */ 77 ad_t *ad; 78 } idmapd_state_t; 79 extern idmapd_state_t _idmapdstate; 80 81 #define INIT_IDMAPD_STATE() \ 82 (void) memset(&_idmapdstate, 0, sizeof (_idmapdstate)); 83 84 #define RDLOCK_CONFIG() \ 85 (void) rw_rdlock(&_idmapdstate.rwlk_cfg); 86 #define WRLOCK_CONFIG() \ 87 (void) rw_wrlock(&_idmapdstate.rwlk_cfg); 88 #define UNLOCK_CONFIG() \ 89 (void) rw_unlock(&_idmapdstate.rwlk_cfg); 90 91 typedef struct hashentry { 92 uint_t key; 93 uint_t next; 94 } hashentry_t; 95 96 typedef struct lookup_state { 97 bool_t sid2pid_done; 98 bool_t pid2sid_done; 99 idmap_query_state_t *ad_lookup; 100 int ad_nqueries; 101 uint_t curpos; 102 hashentry_t *sid_history; 103 uint_t sid_history_size; 104 idmap_mapping_batch *batch; 105 idmap_ids_res *result; 106 } lookup_state_t; 107 108 typedef struct list_cb_data { 109 void *result; 110 uint64_t next; 111 uint64_t len; 112 uint64_t limit; 113 } list_cb_data_t; 114 115 typedef struct msg_table { 116 idmap_retcode retcode; 117 const char *msg; 118 } msg_table_t; 119 120 /* 121 * Data structure to store well-known SIDs and 122 * associated mappings (if any) 123 */ 124 typedef struct wksids_table { 125 const char *sidprefix; 126 uint32_t rid; 127 const char *winname; 128 int is_user; 129 uid_t pid; 130 int direction; 131 } wksids_table_t; 132 133 134 #define _IDMAP_F_DONE 0x00000000 135 #define _IDMAP_F_S2N_CACHE 0x00000001 136 #define _IDMAP_F_S2N_AD 0x00000002 137 #define _IDMAP_F_EXP_EPH_UID 0x00000004 138 #define _IDMAP_F_EXP_EPH_GID 0x00000010 139 140 #define SIZE_INCR 5 141 #define MAX_TRIES 5 142 #define IDMAP_DBDIR "/var/idmap" 143 #define IDMAP_CACHEDIR "/var/run/idmap" 144 #define IDMAP_DBNAME IDMAP_DBDIR "/idmap.db" 145 #define IDMAP_CACHENAME IDMAP_CACHEDIR "/idmap.db" 146 147 typedef idmap_retcode (*update_list_res_cb)(void *, const char **, uint64_t); 148 typedef int (*list_svc_cb)(void *, int, char **, char **); 149 150 extern void idmap_prog_1(struct svc_req *, register SVCXPRT *); 151 extern void idmapdlog(int, const char *, ...); 152 extern int init_mapping_system(); 153 extern void fini_mapping_system(); 154 extern void print_idmapdstate(); 155 extern int create_directory(const char *, uid_t, gid_t); 156 extern int load_config(); 157 158 159 extern int init_dbs(); 160 extern void fini_dbs(); 161 extern idmap_retcode get_db_handle(sqlite **); 162 extern idmap_retcode get_cache_handle(sqlite **); 163 extern idmap_retcode sql_exec_no_cb(sqlite *, char *); 164 extern idmap_retcode add_namerule(sqlite *, idmap_namerule *); 165 extern idmap_retcode rm_namerule(sqlite *, idmap_namerule *); 166 extern idmap_retcode flush_namerules(sqlite *, bool_t); 167 168 extern idmap_retcode gen_sql_expr_from_utf8str(const char *, 169 const char *, const char *, 170 idmap_utf8str *, const char *, 171 char **); 172 extern idmap_retcode validate_list_cb_data(list_cb_data_t *, int, 173 char **, int, uchar_t **, size_t); 174 extern idmap_retcode process_list_svc_sql(sqlite *, char *, uint64_t, 175 list_svc_cb, void *); 176 extern idmap_retcode sid2pid_first_pass(lookup_state_t *, sqlite *, 177 idmap_mapping *, idmap_id_res *); 178 extern idmap_retcode sid2pid_second_pass(lookup_state_t *, sqlite *, 179 sqlite *, idmap_mapping *, idmap_id_res *); 180 extern idmap_retcode pid2sid_first_pass(lookup_state_t *, sqlite *, 181 sqlite *, idmap_mapping *, idmap_id_res *, 182 int, int); 183 extern idmap_retcode update_cache_sid2pid(lookup_state_t *, sqlite *, 184 idmap_mapping *, idmap_id_res *); 185 extern idmap_retcode update_cache_pid2sid(lookup_state_t *, sqlite *, 186 idmap_mapping *, idmap_id_res *); 187 extern idmap_retcode get_u2w_mapping(sqlite *, sqlite *, idmap_mapping *, 188 idmap_mapping *, int); 189 extern idmap_retcode get_w2u_mapping(sqlite *, sqlite *, idmap_mapping *, 190 idmap_mapping *); 191 192 extern idmap_retcode lookup_win_batch_sid2name(lookup_state_t *, 193 idmap_mapping_batch *, idmap_ids_res *); 194 195 196 #ifdef __cplusplus 197 } 198 #endif 199 200 #endif /* _IDMAPD_H */ 201