src/kits/network/netresolv/include/irs.h

   1 /*
   2  * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (c) 1996,1999 by Internet Software Consortium.
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
  15  * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 /*
  19  * $Id: irs.h,v 1.5 2005/04/27 04:56:15 sra Exp $
  20  */
  21
  22 #ifndef _IRS_H_INCLUDED
  23 #define _IRS_H_INCLUDED
  24
  25 /*! \file */
  26
  27 #include <sys/types.h>
  28
  29 #include <arpa/nameser.h>
  30
  31 #include <grp.h>
  32 #include <netdb.h>
  33 #include <resolv.h>
  34 #include <pwd.h>
  35
  36 /*%
  37  * This is the group map class.
  38  */
  39 struct irs_gr {
  40         void *          private;
  41         void            (*close) __P((struct irs_gr *));
  42         struct group *  (*next) __P((struct irs_gr *));
  43         struct group *  (*byname) __P((struct irs_gr *, const char *));
  44         struct group *  (*bygid) __P((struct irs_gr *, gid_t));
  45         int             (*list) __P((struct irs_gr *, const char *,
  46                                      gid_t, gid_t *, int *));
  47         void            (*rewind) __P((struct irs_gr *));
  48         void            (*minimize) __P((struct irs_gr *));
  49         struct __res_state * (*res_get) __P((struct irs_gr *));
  50         void            (*res_set) __P((struct irs_gr *, res_state,
  51                                         void (*)(void *)));
  52 };
  53
  54 /*%
  55  * This is the password map class.
  56  */
  57 struct irs_pw {
  58         void *          private;
  59         void            (*close) __P((struct irs_pw *));
  60         struct passwd * (*next) __P((struct irs_pw *));
  61         struct passwd * (*byname) __P((struct irs_pw *, const char *));
  62         struct passwd * (*byuid) __P((struct irs_pw *, uid_t));
  63         void            (*rewind) __P((struct irs_pw *));
  64         void            (*minimize) __P((struct irs_pw *));
  65         struct __res_state * (*res_get) __P((struct irs_pw *));
  66         void            (*res_set) __P((struct irs_pw *, res_state,
  67                                         void (*)(void *)));
  68 };
  69
  70 /*%
  71  * This is the service map class.
  72  */
  73 struct irs_sv {
  74         void *          private;
  75         void            (*close) __P((struct irs_sv *));
  76         struct servent *(*byname) __P((struct irs_sv *,
  77                                        const char *, const char *));
  78         struct servent *(*byport) __P((struct irs_sv *, int, const char *));
  79         struct servent *(*next) __P((struct irs_sv *));
  80         void            (*rewind) __P((struct irs_sv *));
  81         void            (*minimize) __P((struct irs_sv *));
  82         struct __res_state * (*res_get) __P((struct irs_sv *));
  83         void            (*res_set) __P((struct irs_sv *, res_state,
  84                                         void (*)(void *)));
  85 };
  86
  87 /*%
  88  * This is the protocols map class.
  89  */
  90 struct irs_pr {
  91         void *          private;
  92         void            (*close) __P((struct irs_pr *));
  93         struct protoent *(*byname) __P((struct irs_pr *, const char *));
  94         struct protoent *(*bynumber) __P((struct irs_pr *, int));
  95         struct protoent *(*next) __P((struct irs_pr *));
  96         void            (*rewind) __P((struct irs_pr *));
  97         void            (*minimize) __P((struct irs_pr *));
  98         struct __res_state * (*res_get) __P((struct irs_pr *));
  99         void            (*res_set) __P((struct irs_pr *, res_state,
 100                                         void (*)(void *)));
 101 };
 102
 103 /*%
 104  * This is the hosts map class.
 105  */
 106 struct irs_ho {
 107         void *          private;
 108         void            (*close) __P((struct irs_ho *));
 109         struct hostent *(*byname) __P((struct irs_ho *, const char *));
 110         struct hostent *(*byname2) __P((struct irs_ho *, const char *, int));
 111         struct hostent *(*byaddr) __P((struct irs_ho *,
 112                                        const void *, int, int));
 113         struct hostent *(*next) __P((struct irs_ho *));
 114         void            (*rewind) __P((struct irs_ho *));
 115         void            (*minimize) __P((struct irs_ho *));
 116         struct __res_state * (*res_get) __P((struct irs_ho *));
 117         void            (*res_set) __P((struct irs_ho *, res_state,
 118                                         void (*)(void *)));
 119         struct addrinfo *(*addrinfo) __P((struct irs_ho *, const char *,
 120                                           const struct addrinfo *));
 121 };
 122
 123 /*%
 124  * This is the networks map class.
 125  */
 126 struct irs_nw {
 127         void *          private;
 128         void            (*close) __P((struct irs_nw *));
 129         struct nwent *  (*byname) __P((struct irs_nw *, const char *, int));
 130         struct nwent *  (*byaddr) __P((struct irs_nw *, void *, int, int));
 131         struct nwent *  (*next) __P((struct irs_nw *));
 132         void            (*rewind) __P((struct irs_nw *));
 133         void            (*minimize) __P((struct irs_nw *));
 134         struct __res_state * (*res_get) __P((struct irs_nw *));
 135         void            (*res_set) __P((struct irs_nw *, res_state,
 136                                         void (*)(void *)));
 137 };
 138
 139 /*%
 140  * This is the netgroups map class.
 141  */
 142 struct irs_ng {
 143         void *          private;
 144         void            (*close) __P((struct irs_ng *));
 145         int             (*next) __P((struct irs_ng *, const char **,
 146                                      const char **, const char **));
 147         int             (*test) __P((struct irs_ng *, const char *,
 148                                      const char *, const char *,
 149                                      const char *));
 150         void            (*rewind) __P((struct irs_ng *, const char *));
 151         void            (*minimize) __P((struct irs_ng *));
 152 };
 153
 154 /*%
 155  * This is the generic map class, which copies the front of all others.
 156  */
 157 struct irs_map {
 158         void *          private;
 159         void            (*close) __P((void *));
 160 };
 161
 162 /*%
 163  * This is the accessor class.  It contains pointers to all of the
 164  * initializers for the map classes for a particular accessor.
 165  */
 166 struct irs_acc {
 167         void *          private;
 168         void            (*close) __P((struct irs_acc *));
 169         struct irs_gr * (*gr_map) __P((struct irs_acc *));
 170         struct irs_pw * (*pw_map) __P((struct irs_acc *));
 171         struct irs_sv * (*sv_map) __P((struct irs_acc *));
 172         struct irs_pr * (*pr_map) __P((struct irs_acc *));
 173         struct irs_ho * (*ho_map) __P((struct irs_acc *));
 174         struct irs_nw * (*nw_map) __P((struct irs_acc *));
 175         struct irs_ng * (*ng_map) __P((struct irs_acc *));
 176         struct __res_state * (*res_get) __P((struct irs_acc *));
 177         void            (*res_set) __P((struct irs_acc *, res_state,
 178                                         void (*)(void *)));
 179 };
 180
 181 /*%
 182  * This is because the official definition of "struct netent" has no
 183  * concept of CIDR even though it allows variant address families (on
 184  * output but not input).  The compatibility stubs convert the structs
 185  * below into "struct netent"'s.
 186  */
 187 struct nwent {
 188         char            *n_name;        /*%< official name of net */
 189         char            **n_aliases;    /*%< alias list */
 190         int             n_addrtype;     /*%< net address type */
 191         void            *n_addr;        /*%< network address */
 192         int             n_length;       /*%< address length, in bits */
 193 };
 194
 195 /*%
 196  * Hide external function names from POSIX.
 197  */
 198 #define irs_gen_acc     __irs_gen_acc
 199 #define irs_lcl_acc     __irs_lcl_acc
 200 #define irs_dns_acc     __irs_dns_acc
 201 #define irs_nis_acc     __irs_nis_acc
 202 #define irs_irp_acc     __irs_irp_acc
 203 #define irs_destroy     __irs_destroy
 204 #define irs_dns_gr      __irs_dns_gr
 205 #define irs_dns_ho      __irs_dns_ho
 206 #define irs_dns_nw      __irs_dns_nw
 207 #define irs_dns_pr      __irs_dns_pr
 208 #define irs_dns_pw      __irs_dns_pw
 209 #define irs_dns_sv      __irs_dns_sv
 210 #define irs_gen_gr      __irs_gen_gr
 211 #define irs_gen_ho      __irs_gen_ho
 212 #define irs_gen_ng      __irs_gen_ng
 213 #define irs_gen_nw      __irs_gen_nw
 214 #define irs_gen_pr      __irs_gen_pr
 215 #define irs_gen_pw      __irs_gen_pw
 216 #define irs_gen_sv      __irs_gen_sv
 217 #define irs_irp_get_full_response       __irs_irp_get_full_response
 218 #define irs_irp_gr      __irs_irp_gr
 219 #define irs_irp_ho      __irs_irp_ho
 220 #define irs_irp_is_connected    __irs_irp_is_connected
 221 #define irs_irp_ng      __irs_irp_ng
 222 #define irs_irp_nw      __irs_irp_nw
 223 #define irs_irp_pr      __irs_irp_pr
 224 #define irs_irp_pw      __irs_irp_pw
 225 #define irs_irp_read_line       __irs_irp_read_line
 226 #define irs_irp_sv      __irs_irp_sv
 227 #define irs_lcl_gr      __irs_lcl_gr
 228 #define irs_lcl_ho      __irs_lcl_ho
 229 #define irs_lcl_ng      __irs_lcl_ng
 230 #define irs_lcl_nw      __irs_lcl_nw
 231 #define irs_lcl_pr      __irs_lcl_pr
 232 #define irs_lcl_pw      __irs_lcl_pw
 233 #define irs_lcl_sv      __irs_lcl_sv
 234 #define irs_nis_gr      __irs_nis_gr
 235 #define irs_nis_ho      __irs_nis_ho
 236 #define irs_nis_ng      __irs_nis_ng
 237 #define irs_nis_nw      __irs_nis_nw
 238 #define irs_nis_pr      __irs_nis_pr
 239 #define irs_nis_pw      __irs_nis_pw
 240 #define irs_nis_sv      __irs_nis_sv
 241 #define net_data_create __net_data_create
 242 #define net_data_destroy        __net_data_destroy
 243 #define net_data_minimize       __net_data_minimize
 244
 245 /*%
 246  * Externs.
 247  */
 248 extern struct irs_acc * irs_gen_acc __P((const char *, const char *));
 249 extern struct irs_acc * irs_lcl_acc __P((const char *));
 250 extern struct irs_acc * irs_dns_acc __P((const char *));
 251 extern struct irs_acc * irs_nis_acc __P((const char *));
 252 extern struct irs_acc * irs_irp_acc __P((const char *));
 253
 254 extern void             irs_destroy __P((void));
 255
 256 /*%
 257  * These forward declarations are for the semi-private functions in
 258  * the get*.c files. Each of these funcs implements the real get*
 259  * functionality and the standard versions are just wrappers that
 260  * call these. Apart from the wrappers, only irpd is expected to
 261  * call these directly, hence these decls are put here and not in
 262  * the /usr/include replacements.
 263  */
 264
 265 struct net_data;                        /*%< forward */
 266 /*
 267  * net_data_create gets a singleton net_data object.  net_data_init
 268  * creates as many net_data objects as times it is called.  Clients using
 269  * the default interface will use net_data_create by default.  Servers will
 270  * probably want net_data_init (one call per client)
 271  */
 272 struct net_data *net_data_create __P((const char *));
 273 struct net_data *net_data_init __P((const char *));
 274 void            net_data_destroy __P((void *));
 275
 276 extern struct group    *getgrent_p __P((struct net_data *));
 277 extern struct group    *getgrnam_p __P((const char *, struct net_data *));
 278 extern struct group    *getgrgid_p __P((gid_t, struct net_data *));
 279 extern int              setgroupent_p __P((int, struct net_data *));
 280 extern void             endgrent_p __P((struct net_data *));
 281 extern int              getgrouplist_p __P((const char *, gid_t, gid_t *, int *,
 282                                             struct net_data *));
 283
 284 #ifdef SETGRENT_VOID
 285 extern void             setgrent_p __P((struct net_data *));
 286 #else
 287 extern int              setgrent_p __P((struct net_data *));
 288 #endif
 289
 290 extern struct hostent   *gethostbyname_p __P((const char *,
 291                                               struct net_data *));
 292 extern struct hostent   *gethostbyname2_p __P((const char *, int,
 293                                                struct net_data *));
 294 extern struct hostent   *gethostbyaddr_p __P((const char *, int, int,
 295                                               struct net_data *));
 296 extern struct hostent   *gethostent_p __P((struct net_data *));
 297 extern void             sethostent_p __P((int, struct net_data *));
 298 extern void             endhostent_p __P((struct net_data *));
 299 extern struct hostent   *getipnodebyname_p __P((const char *, int, int, int *,
 300                                                struct net_data *));
 301 extern struct hostent   *getipnodebyaddr_p __P((const void *, size_t,
 302                                               int, int *, struct net_data *));
 303
 304 extern struct netent    *getnetent_p __P((struct net_data *));
 305 extern struct netent    *getnetbyname_p __P((const char *, struct net_data *));
 306 extern struct netent    *getnetbyaddr_p __P((unsigned long, int,
 307                                              struct net_data *));
 308 extern void             setnetent_p __P((int, struct net_data *));
 309 extern void             endnetent_p __P((struct net_data *));
 310
 311 extern void             setnetgrent_p __P((const char *, struct net_data *));
 312 extern void             endnetgrent_p __P((struct net_data *));
 313 extern int              innetgr_p __P((const char *, const char *, const char *,
 314                                        const char *, struct net_data *));
 315 extern int              getnetgrent_p __P((const char **, const char **,
 316                                            const char **, struct net_data *));
 317
 318 extern struct protoent  *getprotoent_p __P((struct net_data *));
 319 extern struct protoent  *getprotobyname_p __P((const char *,
 320                                                struct net_data *));
 321 extern struct protoent  *getprotobynumber_p __P((int, struct net_data *));
 322 extern void             setprotoent_p __P((int, struct net_data *));
 323 extern void             endprotoent_p __P((struct net_data *));
 324
 325
 326 extern struct passwd    *getpwent_p __P((struct net_data *));
 327 extern struct passwd    *getpwnam_p __P((const char *, struct net_data *));
 328 extern struct passwd    *getpwuid_p __P((uid_t, struct net_data *));
 329 extern int              setpassent_p __P((int, struct net_data *));
 330 extern void             endpwent_p __P((struct net_data *));
 331
 332 #ifdef SETPWENT_VOID
 333 extern void             setpwent_p __P((struct net_data *));
 334 #else
 335 extern int              setpwent_p __P((struct net_data *));
 336 #endif
 337
 338 extern struct servent   *getservent_p __P((struct net_data *));
 339 extern struct servent   *getservbyname_p __P((const char *, const char *,
 340                                               struct net_data *));
 341 extern struct servent   *getservbyport_p __P((int, const char *,
 342                                               struct net_data *));
 343 extern void             setservent_p __P((int, struct net_data *));
 344 extern void             endservent_p __P((struct net_data *));
 345
 346 #endif /*_IRS_H_INCLUDED*/
 347
 348 /*! \file */