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-rw-r--r--contrib/bind/lib/irs/gen_nw.c262
1 files changed, 0 insertions, 262 deletions
diff --git a/contrib/bind/lib/irs/gen_nw.c b/contrib/bind/lib/irs/gen_nw.c
deleted file mode 100644
index fad436c..0000000
--- a/contrib/bind/lib/irs/gen_nw.c
+++ /dev/null
@@ -1,262 +0,0 @@
-/*
- * 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS
- * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
- * CONSORTIUM 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(LINT) && !defined(CODECENTER)
-static const char rcsid[] = "$Id: gen_nw.c,v 1.13 1999/10/13 16:39:29 vixie Exp $";
-#endif
-
-/* Imports */
-
-#include "port_before.h"
-
-#include <sys/types.h>
-
-#include <netinet/in.h>
-#include <arpa/nameser.h>
-
-#include <errno.h>
-#include <resolv.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <isc/memcluster.h>
-#include <irs.h>
-
-#include "port_after.h"
-
-#include "irs_p.h"
-#include "gen_p.h"
-
-/* Types */
-
-struct pvt {
- struct irs_rule * rules;
- struct irs_rule * rule;
- struct __res_state * res;
- void (*free_res)(void *);
-};
-
-/* Forward */
-
-static void nw_close(struct irs_nw*);
-static struct nwent * nw_next(struct irs_nw *);
-static struct nwent * nw_byname(struct irs_nw *, const char *, int);
-static struct nwent * nw_byaddr(struct irs_nw *, void *, int, int);
-static void nw_rewind(struct irs_nw *);
-static void nw_minimize(struct irs_nw *);
-static struct __res_state * nw_res_get(struct irs_nw *this);
-static void nw_res_set(struct irs_nw *this,
- struct __res_state *res,
- void (*free_res)(void *));
-
-static int init(struct irs_nw *this);
-
-/* Public */
-
-struct irs_nw *
-irs_gen_nw(struct irs_acc *this) {
- struct gen_p *accpvt = (struct gen_p *)this->private;
- struct irs_nw *nw;
- struct pvt *pvt;
-
- if (!(pvt = memget(sizeof *pvt))) {
- errno = ENOMEM;
- return (NULL);
- }
- memset(pvt, 0, sizeof *pvt);
- if (!(nw = memget(sizeof *nw))) {
- memput(pvt, sizeof *pvt);
- errno = ENOMEM;
- return (NULL);
- }
- memset(nw, 0x5e, sizeof *nw);
- pvt->rules = accpvt->map_rules[irs_nw];
- pvt->rule = pvt->rules;
- nw->private = pvt;
- nw->close = nw_close;
- nw->next = nw_next;
- nw->byname = nw_byname;
- nw->byaddr = nw_byaddr;
- nw->rewind = nw_rewind;
- nw->minimize = nw_minimize;
- nw->res_get = nw_res_get;
- nw->res_set = nw_res_set;
- return (nw);
-}
-
-/* Methods */
-
-static void
-nw_close(struct irs_nw *this) {
- struct pvt *pvt = (struct pvt *)this->private;
-
- nw_minimize(this);
-
- if (pvt->res && pvt->free_res)
- (*pvt->free_res)(pvt->res);
-
- memput(pvt, sizeof *pvt);
- memput(this, sizeof *this);
-}
-
-static struct nwent *
-nw_next(struct irs_nw *this) {
- struct pvt *pvt = (struct pvt *)this->private;
- struct nwent *rval;
- struct irs_nw *nw;
-
- if (init(this) == -1)
- return(NULL);
-
- while (pvt->rule) {
- nw = pvt->rule->inst->nw;
- rval = (*nw->next)(nw);
- if (rval)
- return (rval);
- if (!(pvt->rules->flags & IRS_CONTINUE))
- break;
- pvt->rule = pvt->rule->next;
- if (pvt->rule) {
- nw = pvt->rule->inst->nw;
- (*nw->rewind)(nw);
- }
- }
- return (NULL);
-}
-
-static struct nwent *
-nw_byname(struct irs_nw *this, const char *name, int type) {
- struct pvt *pvt = (struct pvt *)this->private;
- struct irs_rule *rule;
- struct nwent *rval;
- struct irs_nw *nw;
-
- if (init(this) == -1)
- return(NULL);
-
- for (rule = pvt->rules; rule; rule = rule->next) {
- nw = rule->inst->nw;
- RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
- rval = (*nw->byname)(nw, name, type);
- if (rval != NULL)
- return (rval);
- if (pvt->res->res_h_errno != TRY_AGAIN &&
- !(rule->flags & IRS_CONTINUE))
- break;
- }
- return (NULL);
-}
-
-static struct nwent *
-nw_byaddr(struct irs_nw *this, void *net, int length, int type) {
- struct pvt *pvt = (struct pvt *)this->private;
- struct irs_rule *rule;
- struct nwent *rval;
- struct irs_nw *nw;
-
- if (init(this) == -1)
- return(NULL);
-
- for (rule = pvt->rules; rule; rule = rule->next) {
- nw = rule->inst->nw;
- RES_SET_H_ERRNO(pvt->res, NETDB_INTERNAL);
- rval = (*nw->byaddr)(nw, net, length, type);
- if (rval != NULL)
- return (rval);
- if (pvt->res->res_h_errno != TRY_AGAIN &&
- !(rule->flags & IRS_CONTINUE))
- break;
- }
- return (NULL);
-}
-
-static void
-nw_rewind(struct irs_nw *this) {
- struct pvt *pvt = (struct pvt *)this->private;
- struct irs_nw *nw;
-
- pvt->rule = pvt->rules;
- if (pvt->rule) {
- nw = pvt->rule->inst->nw;
- (*nw->rewind)(nw);
- }
-}
-
-static void
-nw_minimize(struct irs_nw *this) {
- struct pvt *pvt = (struct pvt *)this->private;
- struct irs_rule *rule;
-
- if (pvt->res)
- res_nclose(pvt->res);
- for (rule = pvt->rules; rule != NULL; rule = rule->next) {
- struct irs_nw *nw = rule->inst->nw;
-
- (*nw->minimize)(nw);
- }
-}
-
-static struct __res_state *
-nw_res_get(struct irs_nw *this) {
- struct pvt *pvt = (struct pvt *)this->private;
-
- if (!pvt->res) {
- struct __res_state *res;
- res = (struct __res_state *)malloc(sizeof *res);
- if (!res) {
- errno = ENOMEM;
- return (NULL);
- }
- memset(res, 0, sizeof *res);
- nw_res_set(this, res, free);
- }
-
- return (pvt->res);
-}
-
-static void
-nw_res_set(struct irs_nw *this, struct __res_state *res,
- void (*free_res)(void *)) {
- struct pvt *pvt = (struct pvt *)this->private;
- struct irs_rule *rule;
-
- if (pvt->res && pvt->free_res) {
- res_nclose(pvt->res);
- (*pvt->free_res)(pvt->res);
- }
-
- pvt->res = res;
- pvt->free_res = free_res;
-
- for (rule = pvt->rules; rule != NULL; rule = rule->next) {
- struct irs_nw *nw = rule->inst->nw;
-
- (*nw->res_set)(nw, pvt->res, NULL);
- }
-}
-
-static int
-init(struct irs_nw *this) {
- struct pvt *pvt = (struct pvt *)this->private;
-
- if (!pvt->res && !nw_res_get(this))
- return (-1);
- if (((pvt->res->options & RES_INIT) == 0) &&
- res_ninit(pvt->res) == -1)
- return (-1);
- return (0);
-}
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