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 RDLOCK_CONFIG() \ 82 (void) rw_rdlock(&_idmapdstate.rwlk_cfg); 83 #define WRLOCK_CONFIG() \ 84 (void) rw_wrlock(&_idmapdstate.rwlk_cfg); 85 #define UNLOCK_CONFIG() \ 86 (void) rw_unlock(&_idmapdstate.rwlk_cfg); 87 88 typedef struct hashentry { 89 uint_t key; 90 uint_t next; 91 } hashentry_t; 92 93 typedef struct lookup_state { 94 bool_t sid2pid_done; 95 bool_t pid2sid_done; 96 idmap_query_state_t *ad_lookup; 97 int ad_nqueries; 98 uint_t curpos; 99 hashentry_t *sid_history; 100 uint_t sid_history_size; 101 idmap_mapping_batch *batch; 102 idmap_ids_res *result; 103 } lookup_state_t; 104 105 typedef struct list_cb_data { 106 void *result; 107 uint64_t next; 108 uint64_t len; 109 uint64_t limit; 110 } list_cb_data_t; 111 112 typedef struct msg_table { 113 idmap_retcode retcode; 114 const char *msg; 115 } msg_table_t; 116 117 /* 118 * Data structure to store well-known SIDs and 119 * associated mappings (if any) 120 */ 121 typedef struct wksids_table { 122 const char *sidprefix; 123 uint32_t rid; 124 const char *winname; 125 int is_user; 126 uid_t pid; 127 int direction; 128 } wksids_table_t; 129 130 131 #define _IDMAP_F_DONE 0x00000000 132 #define _IDMAP_F_S2N_CACHE 0x00000001 133 #define _IDMAP_F_S2N_AD 0x00000002 134 #define _IDMAP_F_EXP_EPH_UID 0x00000004 135 #define _IDMAP_F_EXP_EPH_GID 0x00000010 136 137 #define SIZE_INCR 5 138 #define MAX_TRIES 5 139 #define IDMAP_DBDIR "/var/idmap" 140 #define IDMAP_CACHEDIR "/var/run/idmap" 141 #define IDMAP_DBNAME IDMAP_DBDIR "/idmap.db" 142 #define IDMAP_CACHENAME IDMAP_CACHEDIR "/idmap.db" 143 #define IDMAP_CACHENAME IDMAP_CACHEDIR "/idmap.db" 144 #define RPC_MAX_SIZE 65536 145 146 #define EMPTY_STRING(str) (str == NULL || *str == 0) 147 148 typedef idmap_retcode (*update_list_res_cb)(void *, const char **, uint64_t); 149 typedef int (*list_svc_cb)(void *, int, char **, char **); 150 151 extern void idmap_prog_1(struct svc_req *, register SVCXPRT *); 152 extern void idmapdlog(int, const char *, ...); 153 extern int init_mapping_system(); 154 extern void fini_mapping_system(); 155 extern void print_idmapdstate(); 156 extern int create_directory(const char *, uid_t, gid_t); 157 extern int load_config(); 158 extern int idmap_init_tsd_key(void); 159 160 161 extern int init_dbs(); 162 extern void fini_dbs(); 163 extern idmap_retcode get_db_handle(sqlite **); 164 extern idmap_retcode get_cache_handle(sqlite **); 165 extern idmap_retcode sql_exec_no_cb(sqlite *, char *); 166 extern idmap_retcode add_namerule(sqlite *, idmap_namerule *); 167 extern idmap_retcode rm_namerule(sqlite *, idmap_namerule *); 168 extern idmap_retcode flush_namerules(sqlite *, bool_t); 169 170 extern idmap_retcode gen_sql_expr_from_utf8str(const char *, 171 const char *, const char *, 172 char *, const char *, 173 char **); 174 extern idmap_retcode validate_list_cb_data(list_cb_data_t *, int, 175 char **, int, uchar_t **, size_t); 176 extern idmap_retcode process_list_svc_sql(sqlite *, char *, uint64_t, 177 list_svc_cb, void *); 178 extern idmap_retcode sid2pid_first_pass(lookup_state_t *, sqlite *, 179 idmap_mapping *, idmap_id_res *); 180 extern idmap_retcode sid2pid_second_pass(lookup_state_t *, sqlite *, 181 sqlite *, idmap_mapping *, idmap_id_res *); 182 extern idmap_retcode pid2sid_first_pass(lookup_state_t *, sqlite *, 183 sqlite *, idmap_mapping *, idmap_id_res *, 184 int, int); 185 extern idmap_retcode update_cache_sid2pid(lookup_state_t *, sqlite *, 186 idmap_mapping *, idmap_id_res *); 187 extern idmap_retcode update_cache_pid2sid(lookup_state_t *, sqlite *, 188 idmap_mapping *, idmap_id_res *); 189 extern idmap_retcode get_u2w_mapping(sqlite *, sqlite *, idmap_mapping *, 190 idmap_mapping *, int); 191 extern idmap_retcode get_w2u_mapping(sqlite *, sqlite *, idmap_mapping *, 192 idmap_mapping *); 193 194 extern idmap_retcode lookup_win_batch_sid2name(lookup_state_t *, 195 idmap_mapping_batch *, idmap_ids_res *); 196 197 198 #ifdef __cplusplus 199 } 200 #endif 201 202 #endif /* _IDMAPD_H */ 203