/* * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") * Copyright (c) 1996-1999 by Internet Software Consortium. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #if defined(LIBC_SCCS) && !defined(lint) static const char rcsid[] = "$Id: nis.c,v 1.2.18.1 2005/04/27 05:01:03 sra Exp $"; #endif /* Imports */ #include "port_before.h" #ifdef WANT_IRS_NIS #include #include #include #include #include #include #include #include #include #ifdef T_NULL #undef T_NULL /* Silence re-definition warning of T_NULL. */ #endif #include #include #include #include #include "port_after.h" #include "irs_p.h" #include "hesiod.h" #include "nis_p.h" /* Forward */ static void nis_close(struct irs_acc *); static struct __res_state * nis_res_get(struct irs_acc *); static void nis_res_set(struct irs_acc *, struct __res_state *, void (*)(void *)); /* Public */ struct irs_acc * irs_nis_acc(const char *options) { struct nis_p *nis; struct irs_acc *acc; char *domain; UNUSED(options); if (yp_get_default_domain(&domain) != 0) return (NULL); if (!(nis = memget(sizeof *nis))) { errno = ENOMEM; return (NULL); } memset(nis, 0, sizeof *nis); if (!(acc = memget(sizeof *acc))) { memput(nis, sizeof *nis); errno = ENOMEM; return (NULL); } memset(acc, 0x5e, sizeof *acc); acc->private = nis; nis->domain = strdup(domain); #ifdef WANT_IRS_GR acc->gr_map = irs_nis_gr; #else acc->gr_map = NULL; #endif #ifdef WANT_IRS_PW acc->pw_map = irs_nis_pw; #else acc->pw_map = NULL; #endif acc->sv_map = irs_nis_sv; acc->pr_map = irs_nis_pr; acc->ho_map = irs_nis_ho; acc->nw_map = irs_nis_nw; acc->ng_map = irs_nis_ng; acc->res_get = nis_res_get; acc->res_set = nis_res_set; acc->close = nis_close; return (acc); } /* Methods */ static struct __res_state * nis_res_get(struct irs_acc *this) { struct nis_p *nis = (struct nis_p *)this->private; if (nis->res == NULL) { struct __res_state *res; res = (struct __res_state *)malloc(sizeof *res); if (res == NULL) return (NULL); memset(res, 0, sizeof *res); nis_res_set(this, res, free); } if ((nis->res->options & RES_INIT) == 0 && res_ninit(nis->res) < 0) return (NULL); return (nis->res); } static void nis_res_set(struct irs_acc *this, struct __res_state *res, void (*free_res)(void *)) { struct nis_p *nis = (struct nis_p *)this->private; if (nis->res && nis->free_res) { res_nclose(nis->res); (*nis->free_res)(nis->res); } nis->res = res; nis->free_res = free_res; } static void nis_close(struct irs_acc *this) { struct nis_p *nis = (struct nis_p *)this->private; if (nis->res && nis->free_res) (*nis->free_res)(nis->res); free(nis->domain); memput(nis, sizeof *nis); memput(this, sizeof *this); } #endif /*WANT_IRS_NIS*/ /*! \file */