lookup.subproj/si_module.h

   1 /*
   2  * Copyright (c) 2008-2009 Apple Inc.  All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #ifndef __SI_MODULE_H__
  25 #define __SI_MODULE_H__
  26
  27 #include <stdlib.h>
  28 #include <stdint.h>
  29 #include <netinet/in.h>
  30 #include <sys/socket.h>
  31 #include <pwd.h>
  32 #include <grp.h>
  33 #include <netdb.h>
  34 #include <aliasdb.h>
  35 #include <fstab.h>
  36 #include <mach/mach.h>
  37 #include <si_data.h>
  38 #include <ils.h>
  39
  40 #define forever for(;;)
  41 #define string_equal(A,B) (strcmp(A,B)==0)
  42 #define string_not_equal(A,B) (strcmp(A,B)!=0)
  43
  44 #define SI_CALL_USER_BYNAME        0
  45 #define SI_CALL_USER_BYUID         1
  46 #define SI_CALL_USER_ALL           2
  47 #define SI_CALL_GROUP_BYNAME       3
  48 #define SI_CALL_GROUP_BYGID        4
  49 #define SI_CALL_GROUP_ALL          5
  50 #define SI_CALL_NETGROUP_BYNAME    6
  51 #define SI_CALL_IN_NETGROUP        7
  52 #define SI_CALL_GROUPLIST          8
  53 #define SI_CALL_ALIAS_BYNAME       9
  54 #define SI_CALL_ALIAS_ALL         10
  55 #define SI_CALL_HOST_BYNAME       11
  56 #define SI_CALL_HOST_BYADDR       12
  57 #define SI_CALL_HOST_ALL          13
  58 #define SI_CALL_NETWORK_BYNAME    14
  59 #define SI_CALL_NETWORK_BYADDR    15
  60 #define SI_CALL_NETWORK_ALL       16
  61 #define SI_CALL_SERVICE_BYNAME    17
  62 #define SI_CALL_SERVICE_BYPORT    18
  63 #define SI_CALL_SERVICE_ALL       19
  64 #define SI_CALL_PROTOCOL_BYNAME   20
  65 #define SI_CALL_PROTOCOL_BYNUMBER 21
  66 #define SI_CALL_PROTOCOL_ALL      22
  67 #define SI_CALL_RPC_BYNAME        23
  68 #define SI_CALL_RPC_BYNUMBER      24
  69 #define SI_CALL_RPC_ALL           25
  70 #define SI_CALL_FS_BYSPEC         26
  71 #define SI_CALL_FS_BYFILE         27
  72 #define SI_CALL_FS_ALL            28
  73 #define SI_CALL_ADDRINFO          29
  74 #define SI_CALL_NAMEINFO          30
  75 #define SI_CALL_IPNODE_BYNAME     31
  76 #define SI_CALL_MAC_BYNAME        32
  77 #define SI_CALL_MAC_BYMAC         33
  78 #define SI_CALL_MAC_ALL           34
  79 #define SI_CALL_DNS_QUERY         35
  80 #define SI_CALL_DNS_SEARCH        36
  81
  82 #define si_call_returns_list(A) \
  83 ((A==SI_CALL_USER_ALL)||(A==SI_CALL_GROUP_ALL)||(A==SI_CALL_HOST_ALL)||(A==SI_CALL_NETWORK_ALL)||\
  84  (A==SI_CALL_SERVICE_ALL)||(A==SI_CALL_PROTOCOL_ALL)||(A==SI_CALL_RPC_ALL)||(A==SI_CALL_FS_ALL)||\
  85  (A==SI_CALL_ALIAS_ALL)||(A==SI_CALL_NETGROUP_BYNAME)||(A==SI_CALL_ADDRINFO)||(A==SI_CALL_MAC_ALL))
  86
  87 #define si_call_str1_is_buffer(A) \
  88 ((A==SI_CALL_HOST_BYADDR)||(A==SI_CALL_NAMEINFO))
  89
  90 #define CATEGORY_INVALID  (-1)
  91 #define CATEGORY_DEFAULT    0
  92 #define CATEGORY_USER       1
  93 #define CATEGORY_GROUP      2
  94 #define CATEGORY_GROUPLIST  3
  95 #define CATEGORY_NETGROUP   4
  96 #define CATEGORY_ALIAS      5
  97 #define CATEGORY_HOST_IPV4  6
  98 #define CATEGORY_HOST_IPV6  7
  99 #define CATEGORY_NETWORK    8
 100 #define CATEGORY_SERVICE    9
 101 #define CATEGORY_PROTOCOL  10
 102 #define CATEGORY_RPC       11
 103 #define CATEGORY_FS        12
 104 #define CATEGORY_MAC       13
 105 #define CATEGORY_NAMEINFO  14
 106 #define CATEGORY_ADDRINFO  15
 107 #define CATEGORY_DNSPACKET 16
 108 #define CATEGORY_SRV       17
 109 #define CATEGORY_COUNT     18
 110
 111 /* convenience */
 112 #define CATEGORY_HOST CATEGORY_HOST_IPV4
 113
 114 #define SEL_ALL 0
 115 #define SEL_NAME 1
 116 #define SEL_NUMBER 2
 117
 118 /* host, getaddrinfo, and getnameinfo status codes */
 119 #define SI_STATUS_NO_ERROR                 0
 120 #define SI_STATUS_H_ERRNO_HOST_NOT_FOUND   1
 121 #define SI_STATUS_H_ERRNO_TRY_AGAIN        2
 122 #define SI_STATUS_H_ERRNO_NO_RECOVERY      3
 123 #define SI_STATUS_H_ERRNO_NO_DATA          4
 124 #define SI_STATUS_INTERNAL                10
 125 #define SI_STATUS_WORKITEM_NOT_FOUND      11
 126 #define SI_STATUS_RETURNS_ITEM            12
 127 #define SI_STATUS_RETURNS_LIST            13
 128 #define SI_STATUS_CALL_IN_PROGRESS        14
 129 #define SI_STATUS_CALL_CANCELLED          15
 130 #define SI_STATUS_EAI_PLUS_100           100
 131 #define SI_STATUS_EAI_ADDRFAMILY         101
 132 #define SI_STATUS_EAI_AGAIN              102
 133 #define SI_STATUS_EAI_BADFLAGS           103
 134 #define SI_STATUS_EAI_FAIL               104
 135 #define SI_STATUS_EAI_FAMILY             105
 136 #define SI_STATUS_EAI_MEMORY             106
 137 #define SI_STATUS_EAI_NODATA             107
 138 #define SI_STATUS_EAI_NONAME             108
 139 #define SI_STATUS_EAI_SERVICE            109
 140 #define SI_STATUS_EAI_SOCKTYPE           110
 141 #define SI_STATUS_EAI_SYSTEM             111
 142 #define SI_STATUS_EAI_BADHINTS           112
 143 #define SI_STATUS_EAI_PROTOCOL           113
 144 #define SI_STATUS_EAI_OVERFLOW           114
 145 #define SI_STATUS_ERRNO_PLUS_200         200
 146
 147 typedef void (*item_async_callback)(si_item_t *, uint32_t, void *);
 148 typedef void (*list_async_callback)(si_list_t *, uint32_t, void *);
 149
 150 typedef struct grouplist_s
 151 {
 152         char *gl_user;
 153         gid_t gl_basegid;
 154         int gl_count;
 155         gid_t **gl_gid;
 156 } si_grouplist_t;
 157
 158 typedef struct addrinfo_s
 159 {
 160         int ai_flags;
 161         int ai_family;
 162         int ai_socktype;
 163         int ai_protocol;
 164         uint32_t ai_addrlen;
 165         socket_data_t ai_addr;
 166         char *ai_canonname;
 167 } si_addrinfo_t;
 168
 169 typedef struct nameinfo_s
 170 {
 171         char *ni_node;
 172         char *ni_serv;
 173 } si_nameinfo_t;
 174
 175 typedef struct mac_s
 176 {
 177         char *host;
 178         char *mac;
 179 } si_mac_t;
 180
 181 typedef struct netgrent_s
 182 {
 183         char *ng_host;
 184         char *ng_user;
 185         char *ng_domain;
 186 } si_netgrent_t;
 187
 188 typedef struct dnspacket_s
 189 {
 190         int dns_packet_len;
 191         char *dns_packet;
 192         int dns_server_len;
 193         struct sockaddr *dns_server;
 194 } si_dnspacket_t;
 195
 196 typedef struct si_srv_s
 197 {
 198         uint16_t priority;
 199         uint16_t weight;
 200         uint16_t port;
 201         char *target;
 202 } si_srv_t;
 203
 204 struct si_mod_s;
 205
 206 struct si_mod_vtable_s
 207 {
 208         void (*sim_close)(struct si_mod_s *si);
 209
 210         int (*sim_is_valid)(struct si_mod_s *si, si_item_t *item);
 211
 212         si_item_t *(*sim_user_byname)(struct si_mod_s *si, const char *name);
 213         si_item_t *(*sim_user_byuid)(struct si_mod_s *si, uid_t uid);
 214         si_list_t *(*sim_user_all)(struct si_mod_s *si);
 215
 216         si_item_t *(*sim_group_byname)(struct si_mod_s *si, const char *name);
 217         si_item_t *(*sim_group_bygid)(struct si_mod_s *si, gid_t gid);
 218         si_list_t *(*sim_group_all)(struct si_mod_s *si);
 219
 220         si_item_t *(*sim_grouplist)(struct si_mod_s *si, const char *name);
 221
 222         si_list_t *(*sim_netgroup_byname)(struct si_mod_s *si, const char *name);
 223         int (*sim_in_netgroup)(struct si_mod_s *si, const char *name, const char *host, const char *user, const char *domain);
 224
 225         si_item_t *(*sim_alias_byname)(struct si_mod_s *si, const char *name);
 226         si_list_t *(*sim_alias_all)(struct si_mod_s *si);
 227
 228         si_item_t *(*sim_host_byname)(struct si_mod_s *si, const char *name, int af, const char *interface, uint32_t *err);
 229         si_item_t *(*sim_host_byaddr)(struct si_mod_s *si, const void *addr, int af, const char *interface, uint32_t *err);
 230         si_list_t *(*sim_host_all)(struct si_mod_s *si);
 231
 232         si_item_t *(*sim_network_byname)(struct si_mod_s *si, const char *name);
 233         si_item_t *(*sim_network_byaddr)(struct si_mod_s *si, uint32_t addr);
 234         si_list_t *(*sim_network_all)(struct si_mod_s *si);
 235
 236         si_item_t *(*sim_service_byname)(struct si_mod_s *si, const char *name, const char *proto);
 237         si_item_t *(*sim_service_byport)(struct si_mod_s *si, int port, const char *proto);
 238         si_list_t *(*sim_service_all)(struct si_mod_s *si);
 239
 240         si_item_t *(*sim_protocol_byname)(struct si_mod_s *si, const char *name);
 241         si_item_t *(*sim_protocol_bynumber)(struct si_mod_s *si, int number);
 242         si_list_t *(*sim_protocol_all)(struct si_mod_s *si);
 243
 244         si_item_t *(*sim_rpc_byname)(struct si_mod_s *si, const char *name);
 245         si_item_t *(*sim_rpc_bynumber)(struct si_mod_s *si, int number);
 246         si_list_t *(*sim_rpc_all)(struct si_mod_s *si);
 247
 248         si_item_t *(*sim_fs_byspec)(struct si_mod_s *si, const char *spec);
 249         si_item_t *(*sim_fs_byfile)(struct si_mod_s *si, const char *file);
 250         si_list_t *(*sim_fs_all)(struct si_mod_s *si);
 251
 252         si_item_t *(*sim_mac_byname)(struct si_mod_s *si, const char *name);
 253         si_item_t *(*sim_mac_bymac)(struct si_mod_s *si, const char *mac);
 254         si_list_t *(*sim_mac_all)(struct si_mod_s *si);
 255
 256         si_list_t *(*sim_addrinfo)(struct si_mod_s *si, const void *node, const void *serv, uint32_t family, uint32_t socktype, uint32_t protocol, uint32_t flags, const char *interface, uint32_t *err);
 257         int (*sim_wants_addrinfo)(struct si_mod_s *si);
 258
 259         si_item_t *(*sim_nameinfo)(struct si_mod_s *si, const struct sockaddr *sa, int flags, const char *interface, uint32_t *err);
 260
 261         si_list_t *(*sim_srv_byname)(struct si_mod_s *si, const char *qname, const char *interface, uint32_t *err);
 262
 263         si_item_t *(*sim_item_call)(struct si_mod_s *si, int call, const char *str1, const char *str2, const char *str3, uint32_t num1, uint32_t num2, uint32_t *err);
 264         si_list_t *(*sim_list_call)(struct si_mod_s *si, int call, const char *str1, const char *str2, const char *str3, uint32_t num1, uint32_t num2, uint32_t num3, uint32_t num4, uint32_t *err);
 265
 266         mach_port_t (*sim_async_call)(struct si_mod_s *si, int call, const char *str1, const char *str2, const char *str3, uint32_t num1, uint32_t num2, uint32_t num3, uint32_t num4, void *callback, void *context);
 267         void (*sim_async_cancel)(mach_port_t p);
 268         void (*sim_async_handle_reply)(mach_msg_header_t *msg);
 269 };
 270
 271 #define SI_MOD_FLAG_STATIC 0x00000001
 272
 273 typedef struct si_mod_s
 274 {
 275         char *name;
 276         uint32_t vers;
 277         int32_t refcount;
 278         uint32_t flags;
 279
 280         void *bundle;
 281         void *private;
 282
 283         const struct si_mod_vtable_s *vtable;
 284 } si_mod_t;
 285
 286 si_mod_t *si_module_with_name(const char *name);
 287 si_mod_t *si_module_retain(si_mod_t *si);
 288 void si_module_release(si_mod_t *si);
 289 const char *si_module_name(si_mod_t *si);
 290 int si_module_vers(si_mod_t *si);
 291
 292 si_mod_t *si_search(void);
 293
 294 int si_item_match(si_item_t *item, int cat, const void *name, uint32_t num, int which);
 295 int si_item_is_valid(si_item_t *item);
 296
 297 si_item_t *si_user_byname(si_mod_t *si, const char *name);
 298 si_item_t *si_user_byuid(si_mod_t *si, uid_t uid);
 299 si_list_t *si_user_all(si_mod_t *si);
 300
 301 si_item_t *si_group_byname(si_mod_t *si, const char *name);
 302 si_item_t *si_group_bygid(si_mod_t *si, gid_t gid);
 303 si_list_t *si_group_all(si_mod_t *si);
 304
 305 si_item_t *si_grouplist(si_mod_t *si, const char *name);
 306
 307 int si_in_netgroup(struct si_mod_s *si, const char *name, const char *host, const char *user, const char *domain);
 308 si_list_t *si_netgroup_byname(struct si_mod_s *si, const char *name);
 309
 310 si_item_t *si_alias_byname(struct si_mod_s *si, const char *name);
 311 si_list_t *si_alias_all(struct si_mod_s *si);
 312
 313 si_item_t *si_host_byname(si_mod_t *si, const char *name, int af, const char *interface, uint32_t *err);
 314 si_item_t *si_host_byaddr(si_mod_t *si, const void *addr, int af, const char *interface, uint32_t *err);
 315 si_list_t *si_host_all(si_mod_t *si);
 316
 317 si_item_t *si_mac_byname(struct si_mod_s *si, const char *name);
 318 si_item_t *si_mac_bymac(struct si_mod_s *si, const char *mac);
 319 si_list_t *si_mac_all(struct si_mod_s *si);
 320
 321 si_item_t *si_network_byname(si_mod_t *si, const char *name);
 322 si_item_t *si_network_byaddr(si_mod_t *si, uint32_t addr);
 323 si_list_t *si_network_all(si_mod_t *si);
 324
 325 si_item_t *si_service_byname(si_mod_t *si, const char *name, const char *proto);
 326 si_item_t *si_service_byport(si_mod_t *si, int port, const char *proto);
 327 si_list_t *si_service_all(si_mod_t *si);
 328
 329 si_item_t *si_protocol_byname(si_mod_t *si, const char *name);
 330 si_item_t *si_protocol_bynumber(si_mod_t *si, uint32_t number);
 331 si_list_t *si_protocol_all(si_mod_t *si);
 332
 333 si_item_t *si_rpc_byname(si_mod_t *si, const char *name);
 334 si_item_t *si_rpc_bynumber(si_mod_t *si, int number);
 335 si_list_t *si_rpc_all(si_mod_t *si);
 336
 337 si_item_t *si_fs_byspec(si_mod_t *si, const char *spec);
 338 si_item_t *si_fs_byfile(si_mod_t *si, const char *file);
 339 si_list_t *si_fs_all(si_mod_t *si);
 340
 341 int si_wants_addrinfo(si_mod_t *s);
 342 si_list_t *si_addrinfo(si_mod_t *si, const char *node, const char *serv, uint32_t family, uint32_t socktype, uint32_t protocol, uint32_t flags, const char *interface, uint32_t *err);
 343
 344 si_item_t *si_nameinfo(si_mod_t *si, const struct sockaddr *sa, int flags, const char *interface, uint32_t *err);
 345 si_item_t *si_ipnode_byname(si_mod_t *si, const char *name, int family, int flags, const char *interface, uint32_t *err);
 346
 347 si_list_t *si_srv_byname(si_mod_t *si, const char *qname, const char *interface, uint32_t *err);
 348
 349 si_item_t *si_item_call(si_mod_t *si, int call, const char *str1, const char *str2, const char *str3, uint32_t num1, uint32_t num2, uint32_t *err);
 350 si_list_t *si_list_call(si_mod_t *si, int call, const char *str1, const char *str2, const char *str3, uint32_t num1, uint32_t num2, uint32_t num3, uint32_t num4, uint32_t *err);
 351
 352 extern mach_port_t si_async_call(si_mod_t *si, int call, const char *str1, const char *str2, const char *str3, uint32_t num1, uint32_t num2, uint32_t num3, uint32_t num4, void *callback, void *context);
 353 extern void si_async_cancel(mach_port_t p);
 354 extern void si_async_handle_reply(mach_msg_header_t *msg);
 355
 356 char *si_standardize_mac_address(const char *addr);
 357 si_item_t *si_addrinfo_v4(si_mod_t *si, int32_t flags, int32_t sock, int32_t proto, uint16_t port, struct in_addr *addr, uint16_t iface, const char *cname);
 358 si_item_t *si_addrinfo_v6(si_mod_t *si, int32_t flags, int32_t sock, int32_t proto, uint16_t port, struct in6_addr *addr, uint16_t iface, const char *cname);
 359 si_item_t *si_addrinfo_v4_mapped(si_mod_t *si, int32_t flags, int32_t sock, int32_t proto, uint16_t port, struct in_addr *addr, uint16_t iface, const char *cname);
 360 si_list_t *si_addrinfo_list(si_mod_t *si, uint32_t flags, int socktype, int proto, struct in_addr *a4, struct in6_addr *a6, int port, int scopeid, const char *cname4, const char *cname6);
 361 si_list_t *si_addrinfo_list_from_hostent(si_mod_t *si, uint32_t flags, uint32_t socktype, uint32_t proto, uint16_t port, uint16_t scope, const struct hostent *h4, const struct hostent *h6);
 362
 363 int _gai_serv_to_port(const char *serv, uint32_t proto, uint16_t *port);
 364 si_list_t *_gai_simple(si_mod_t *si, const void *nodeptr, const void *servptr, uint32_t family, uint32_t socktype, uint32_t proto, uint32_t flags, const char *interface, uint32_t *err);
 365 int si_inet_config(uint32_t *inet4, uint32_t *inet6);
 366
 367 #endif /* ! __SI_MODULE_H__ */