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-rw-r--r--contrib/bind/lib/irs/lcl_sv.c431
1 files changed, 0 insertions, 431 deletions
diff --git a/contrib/bind/lib/irs/lcl_sv.c b/contrib/bind/lib/irs/lcl_sv.c
deleted file mode 100644
index d94366b..0000000
--- a/contrib/bind/lib/irs/lcl_sv.c
+++ /dev/null
@@ -1,431 +0,0 @@
-/*
- * Copyright (c) 1989, 1993, 1995
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-/*
- * Portions 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(LIBC_SCCS) && !defined(lint)
-static const char rcsid[] = "$Id: lcl_sv.c,v 1.22 2001/06/18 14:43:59 marka Exp $";
-#endif /* LIBC_SCCS and not lint */
-
-/* extern */
-
-#include "port_before.h"
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/nameser.h>
-#include <resolv.h>
-
-#ifdef IRS_LCL_SV_DB
-#include <db.h>
-#endif
-#include <errno.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-
-#include <irs.h>
-#include <isc/memcluster.h>
-
-#include "port_after.h"
-
-#include "irs_p.h"
-#include "lcl_p.h"
-
-#ifdef SPRINTF_CHAR
-# define SPRINTF(x) strlen(sprintf/**/x)
-#else
-# define SPRINTF(x) ((size_t)sprintf x)
-#endif
-
-/* Types */
-
-struct pvt {
-#ifdef IRS_LCL_SV_DB
- DB * dbh;
- int dbf;
-#endif
- struct lcl_sv sv;
-};
-
-/* Forward */
-
-static void sv_close(struct irs_sv*);
-static struct servent * sv_next(struct irs_sv *);
-static struct servent * sv_byname(struct irs_sv *, const char *,
- const char *);
-static struct servent * sv_byport(struct irs_sv *, int, const char *);
-static void sv_rewind(struct irs_sv *);
-static void sv_minimize(struct irs_sv *);
-/*global*/ struct servent * irs_lclsv_fnxt(struct lcl_sv *);
-#ifdef IRS_LCL_SV_DB
-static struct servent * sv_db_rec(struct lcl_sv *, DBT *, DBT *);
-#endif
-
-/* Portability */
-
-#ifndef SEEK_SET
-# define SEEK_SET 0
-#endif
-
-/* Public */
-
-struct irs_sv *
-irs_lcl_sv(struct irs_acc *this) {
- struct irs_sv *sv;
- struct pvt *pvt;
-
- UNUSED(this);
-
- if ((sv = memget(sizeof *sv)) == NULL) {
- errno = ENOMEM;
- return (NULL);
- }
- memset(sv, 0x5e, sizeof *sv);
- if ((pvt = memget(sizeof *pvt)) == NULL) {
- memput(sv, sizeof *sv);
- errno = ENOMEM;
- return (NULL);
- }
- memset(pvt, 0, sizeof *pvt);
- sv->private = pvt;
- sv->close = sv_close;
- sv->next = sv_next;
- sv->byname = sv_byname;
- sv->byport = sv_byport;
- sv->rewind = sv_rewind;
- sv->minimize = sv_minimize;
- sv->res_get = NULL;
- sv->res_set = NULL;
-#ifdef IRS_LCL_SV_DB
- pvt->dbf = R_FIRST;
-#endif
- return (sv);
-}
-
-/* Methods */
-
-static void
-sv_close(struct irs_sv *this) {
- struct pvt *pvt = (struct pvt *)this->private;
-
-#ifdef IRS_LCL_SV_DB
- if (pvt->dbh != NULL)
- (*pvt->dbh->close)(pvt->dbh);
-#endif
- if (pvt->sv.fp)
- fclose(pvt->sv.fp);
- memput(pvt, sizeof *pvt);
- memput(this, sizeof *this);
-}
-
-static struct servent *
-sv_byname(struct irs_sv *this, const char *name, const char *proto) {
-#ifdef IRS_LCL_SV_DB
- struct pvt *pvt = (struct pvt *)this->private;
-#endif
- struct servent *p;
- char **cp;
-
- sv_rewind(this);
-#ifdef IRS_LCL_SV_DB
- if (pvt->dbh != NULL) {
- DBT key, data;
-
- /* Note that (sizeof "/") == 2. */
- if ((strlen(name) + sizeof "/" + proto ? strlen(proto) : 0)
- > sizeof pvt->sv.line)
- goto try_local;
- key.data = pvt->sv.line;
- key.size = SPRINTF((pvt->sv.line, "%s/%s", name,
- proto ? proto : "")) + 1;
- if (proto != NULL) {
- if ((*pvt->dbh->get)(pvt->dbh, &key, &data, 0) != 0)
- return (NULL);
- } else if ((*pvt->dbh->seq)(pvt->dbh, &key, &data, R_CURSOR)
- != 0)
- return (NULL);
- return (sv_db_rec(&pvt->sv, &key, &data));
- }
- try_local:
-#endif
-
- while ((p = sv_next(this))) {
- if (strcmp(name, p->s_name) == 0)
- goto gotname;
- for (cp = p->s_aliases; *cp; cp++)
- if (strcmp(name, *cp) == 0)
- goto gotname;
- continue;
- gotname:
- if (proto == NULL || strcmp(p->s_proto, proto) == 0)
- break;
- }
- return (p);
-}
-
-static struct servent *
-sv_byport(struct irs_sv *this, int port, const char *proto) {
-#ifdef IRS_LCL_SV_DB
- struct pvt *pvt = (struct pvt *)this->private;
-#endif
- struct servent *p;
-
- sv_rewind(this);
-#ifdef IRS_LCL_SV_DB
- if (pvt->dbh != NULL) {
- DBT key, data;
- u_short *ports;
-
- ports = (u_short *)pvt->sv.line;
- ports[0] = 0;
- ports[1] = port;
- key.data = ports;
- key.size = sizeof(u_short) * 2;
- if (proto && *proto) {
- strncpy((char *)ports + key.size, proto,
- BUFSIZ - key.size);
- key.size += strlen((char *)ports + key.size) + 1;
- if ((*pvt->dbh->get)(pvt->dbh, &key, &data, 0) != 0)
- return (NULL);
- } else {
- if ((*pvt->dbh->seq)(pvt->dbh, &key, &data, R_CURSOR)
- != 0)
- return (NULL);
- }
- return (sv_db_rec(&pvt->sv, &key, &data));
- }
-#endif
- while ((p = sv_next(this))) {
- if (p->s_port != port)
- continue;
- if (proto == NULL || strcmp(p->s_proto, proto) == 0)
- break;
- }
- return (p);
-}
-
-static void
-sv_rewind(struct irs_sv *this) {
- struct pvt *pvt = (struct pvt *)this->private;
-
- if (pvt->sv.fp) {
- if (fseek(pvt->sv.fp, 0L, SEEK_SET) == 0)
- return;
- (void)fclose(pvt->sv.fp);
- pvt->sv.fp = NULL;
- }
-#ifdef IRS_LCL_SV_DB
- pvt->dbf = R_FIRST;
- if (pvt->dbh != NULL)
- return;
- pvt->dbh = dbopen(_PATH_SERVICES_DB, O_RDONLY,O_RDONLY,DB_BTREE, NULL);
- if (pvt->dbh != NULL) {
- if (fcntl((*pvt->dbh->fd)(pvt->dbh), F_SETFD, 1) < 0) {
- (*pvt->dbh->close)(pvt->dbh);
- pvt->dbh = NULL;
- }
- return;
- }
-#endif
- if ((pvt->sv.fp = fopen(_PATH_SERVICES, "r")) == NULL)
- return;
- if (fcntl(fileno(pvt->sv.fp), F_SETFD, 1) < 0) {
- (void)fclose(pvt->sv.fp);
- pvt->sv.fp = NULL;
- }
-}
-
-static struct servent *
-sv_next(struct irs_sv *this) {
- struct pvt *pvt = (struct pvt *)this->private;
-
-#ifdef IRS_LCL_SV_DB
- if (pvt->dbh == NULL && pvt->sv.fp == NULL)
-#else
- if (pvt->sv.fp == NULL)
-#endif
- sv_rewind(this);
-
-#ifdef IRS_LCL_SV_DB
- if (pvt->dbh != NULL) {
- DBT key, data;
-
- while ((*pvt->dbh->seq)(pvt->dbh, &key, &data, pvt->dbf) == 0){
- pvt->dbf = R_NEXT;
- if (((char *)key.data)[0])
- continue;
- return (sv_db_rec(&pvt->sv, &key, &data));
- }
- }
-#endif
-
- if (pvt->sv.fp == NULL)
- return (NULL);
- return (irs_lclsv_fnxt(&pvt->sv));
-}
-
-static void
-sv_minimize(struct irs_sv *this) {
- struct pvt *pvt = (struct pvt *)this->private;
-
-#ifdef IRS_LCL_SV_DB
- if (pvt->dbh != NULL) {
- (*pvt->dbh->close)(pvt->dbh);
- pvt->dbh = NULL;
- }
-#endif
- if (pvt->sv.fp != NULL) {
- (void)fclose(pvt->sv.fp);
- pvt->sv.fp = NULL;
- }
-}
-
-/* Quasipublic. */
-
-struct servent *
-irs_lclsv_fnxt(struct lcl_sv *sv) {
- char *p, *cp, **q;
-
- again:
- if ((p = fgets(sv->line, BUFSIZ, sv->fp)) == NULL)
- return (NULL);
- if (*p == '#')
- goto again;
- sv->serv.s_name = p;
- while (*p && *p != '\n' && *p != ' ' && *p != '\t' && *p != '#')
- ++p;
- if (*p == '\0' || *p == '#' || *p == '\n')
- goto again;
- *p++ = '\0';
- while (*p == ' ' || *p == '\t')
- p++;
- if (*p == '\0' || *p == '#' || *p == '\n')
- goto again;
- sv->serv.s_port = htons((u_short)strtol(p, &cp, 10));
- if (cp == p || (*cp != '/' && *cp != ','))
- goto again;
- p = cp + 1;
- sv->serv.s_proto = p;
-
- q = sv->serv.s_aliases = sv->serv_aliases;
-
- while (*p && *p != '\n' && *p != ' ' && *p != '\t' && *p != '#')
- ++p;
-
- while (*p == ' ' || *p == '\t') {
- *p++ = '\0';
- while (*p == ' ' || *p == '\t')
- ++p;
- if (*p == '\0' || *p == '#' || *p == '\n')
- break;
- if (q < &sv->serv_aliases[IRS_SV_MAXALIASES - 1])
- *q++ = p;
- while (*p && *p != '\n' && *p != ' ' && *p != '\t' && *p != '#')
- ++p;
- }
-
- *p = '\0';
- *q = NULL;
- return (&sv->serv);
-}
-
-/* Private. */
-
-#ifdef IRS_LCL_SV_DB
-static struct servent *
-sv_db_rec(struct lcl_sv *sv, DBT *key, DBT *data) {
- char *p, **q;
- int n;
-
- p = data->data;
- p[data->size - 1] = '\0'; /* should be, but we depend on it */
-
- if (((char *)key->data)[0] == '\0') {
- if (key->size < sizeof(u_short)*2 || data->size < 2)
- return (NULL);
- sv->serv.s_port = ((u_short *)key->data)[1];
- n = strlen(p) + 1;
- if ((size_t)n > sizeof(sv->line)) {
- n = sizeof(sv->line);
- }
- memcpy(sv->line, p, n);
- sv->serv.s_name = sv->line;
- if ((sv->serv.s_proto = strchr(sv->line, '/')) != NULL)
- *(sv->serv.s_proto)++ = '\0';
- p += n;
- data->size -= n;
- } else {
- if (data->size < sizeof(u_short) + 1)
- return (NULL);
- if (key->size > sizeof(sv->line))
- key->size = sizeof(sv->line);
- ((char *)key->data)[key->size - 1] = '\0';
- memcpy(sv->line, key->data, key->size);
- sv->serv.s_name = sv->line;
- if ((sv->serv.s_proto = strchr(sv->line, '/')) != NULL)
- *(sv->serv.s_proto)++ = '\0';
- sv->serv.s_port = *(u_short *)data->data;
- p += sizeof(u_short);
- data->size -= sizeof(u_short);
- }
- q = sv->serv.s_aliases = sv->serv_aliases;
- while (data->size > 0 && q < &sv->serv_aliases[IRS_SV_MAXALIASES - 1]) {
-
- *q++ = p;
- n = strlen(p) + 1;
- data->size -= n;
- p += n;
- }
- *q = NULL;
- return (&sv->serv);
-}
-#endif
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