378 lines
6.8 KiB
C
378 lines
6.8 KiB
C
/* $NetBSD: irp_nw.c,v 1.1.1.1 1999/11/20 18:54:09 veego Exp $ */
|
|
|
|
/*
|
|
* Portions Copyright (c) 1996,1998 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: irp_nw.c,v 8.1 1999/01/18 07:46:54 vixie Exp";
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#if 0
|
|
|
|
#endif
|
|
|
|
/* Imports */
|
|
|
|
#include "port_before.h"
|
|
|
|
#include <syslog.h>
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
#include <arpa/nameser.h>
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <resolv.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <syslog.h>
|
|
|
|
#include <irs.h>
|
|
#include <irp.h>
|
|
#include <isc/irpmarshall.h>
|
|
|
|
#include <isc/memcluster.h>
|
|
#include <isc/misc.h>
|
|
|
|
#include "irs_p.h"
|
|
#include "lcl_p.h"
|
|
#include "irp_p.h"
|
|
|
|
#include "port_after.h"
|
|
|
|
#define MAXALIASES 35
|
|
#define MAXADDRSIZE 4
|
|
|
|
struct pvt {
|
|
struct irp_p *girpdata;
|
|
int warned;
|
|
struct nwent net;
|
|
};
|
|
|
|
/* Forward */
|
|
|
|
static void nw_close(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 struct nwent * nw_next(struct irs_nw *);
|
|
static void nw_rewind(struct irs_nw *);
|
|
static void nw_minimize(struct irs_nw *);
|
|
|
|
static void free_nw(struct nwent *nw);
|
|
|
|
|
|
/* Public */
|
|
|
|
|
|
|
|
/*
|
|
* struct irs_nw * irs_irp_nw(struct irs_acc *this)
|
|
*
|
|
*/
|
|
|
|
struct irs_nw *
|
|
irs_irp_nw(struct irs_acc *this) {
|
|
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, 0x0, sizeof *nw);
|
|
pvt->girpdata = this->private;
|
|
|
|
nw->private = pvt;
|
|
nw->close = nw_close;
|
|
nw->byname = nw_byname;
|
|
nw->byaddr = nw_byaddr;
|
|
nw->next = nw_next;
|
|
nw->rewind = nw_rewind;
|
|
nw->minimize = nw_minimize;
|
|
return (nw);
|
|
}
|
|
|
|
/* Methods */
|
|
|
|
|
|
|
|
/*
|
|
* void nw_close(struct irs_nw *this)
|
|
*
|
|
*/
|
|
|
|
static void
|
|
nw_close(struct irs_nw *this) {
|
|
struct pvt *pvt = (struct pvt *)this->private;
|
|
|
|
nw_minimize(this);
|
|
|
|
free_nw(&pvt->net);
|
|
|
|
memput(pvt, sizeof *pvt);
|
|
memput(this, sizeof *this);
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
* struct nwent * nw_byaddr(struct irs_nw *this, void *net,
|
|
* int length, int type)
|
|
*
|
|
*/
|
|
|
|
static struct nwent *
|
|
nw_byaddr(struct irs_nw *this, void *net, int length, int type) {
|
|
struct pvt *pvt = (struct pvt *)this->private;
|
|
struct nwent *nw = &pvt->net;
|
|
char *body = NULL;
|
|
size_t bodylen;
|
|
int code;
|
|
char paddr[24]; /* bigenough for ip4 w/ cidr spec. */
|
|
char text[256];
|
|
|
|
if (inet_net_ntop(type, net, length, paddr, sizeof paddr) == NULL) {
|
|
return (NULL);
|
|
}
|
|
|
|
if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
|
|
return (NULL);
|
|
}
|
|
|
|
if (irs_irp_send_command(pvt->girpdata, "getnetbyaddr %s %s",
|
|
paddr, ADDR_T_STR(type)) != 0)
|
|
return (NULL);
|
|
|
|
if (irs_irp_get_full_response(pvt->girpdata, &code,
|
|
text, sizeof text,
|
|
&body, &bodylen) != 0) {
|
|
return (NULL);
|
|
}
|
|
|
|
if (code == IRPD_GETNET_OK) {
|
|
free_nw(nw);
|
|
if (irp_unmarshall_nw(nw, body) != 0) {
|
|
nw = NULL;
|
|
}
|
|
} else {
|
|
nw = NULL;
|
|
}
|
|
|
|
if (body != NULL) {
|
|
memput(body, bodylen);
|
|
}
|
|
|
|
return (nw);
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
* struct nwent * nw_byname(struct irs_nw *this, const char *name, int type)
|
|
*
|
|
*/
|
|
|
|
static struct nwent *
|
|
nw_byname(struct irs_nw *this, const char *name, int type) {
|
|
struct pvt *pvt = (struct pvt *)this->private;
|
|
struct nwent *nw = &pvt->net;
|
|
char *body = NULL;
|
|
size_t bodylen;
|
|
int code;
|
|
char text[256];
|
|
|
|
if (nw->n_name != NULL &&
|
|
strcmp(name, nw->n_name) == 0 &&
|
|
nw->n_addrtype == type) {
|
|
return (nw);
|
|
}
|
|
|
|
if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
|
|
return (NULL);
|
|
}
|
|
|
|
if (irs_irp_send_command(pvt->girpdata, "getnetbyname %s", name) != 0)
|
|
return (NULL);
|
|
|
|
if (irs_irp_get_full_response(pvt->girpdata, &code,
|
|
text, sizeof text,
|
|
&body, &bodylen) != 0) {
|
|
return (NULL);
|
|
}
|
|
|
|
if (code == IRPD_GETNET_OK) {
|
|
free_nw(nw);
|
|
if (irp_unmarshall_nw(nw, body) != 0) {
|
|
nw = NULL;
|
|
}
|
|
} else {
|
|
nw = NULL;
|
|
}
|
|
|
|
if (body != NULL) {
|
|
memput(body, bodylen);
|
|
}
|
|
|
|
return (nw);
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
* void nw_rewind(struct irs_nw *this)
|
|
*
|
|
*/
|
|
|
|
static void
|
|
nw_rewind(struct irs_nw *this) {
|
|
struct pvt *pvt = (struct pvt *)this->private;
|
|
char text[256];
|
|
int code;
|
|
|
|
if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
|
|
return;
|
|
}
|
|
|
|
if (irs_irp_send_command(pvt->girpdata, "setnetent") != 0) {
|
|
return;
|
|
}
|
|
|
|
code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
|
|
if (code != IRPD_GETNET_SETOK) {
|
|
if (irp_log_errors) {
|
|
syslog(LOG_WARNING, "setnetent failed: %s", text);
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
* struct nwent * nw_next(struct irs_nw *this)
|
|
*
|
|
* Notes:
|
|
*
|
|
* Prepares the cache if necessary and returns the first, or
|
|
* next item from it.
|
|
*/
|
|
|
|
static struct nwent *
|
|
nw_next(struct irs_nw *this) {
|
|
struct pvt *pvt = (struct pvt *)this->private;
|
|
struct nwent *nw = &pvt->net;
|
|
char *body;
|
|
size_t bodylen;
|
|
int code;
|
|
char text[256];
|
|
|
|
if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
|
|
return (NULL);
|
|
}
|
|
|
|
if (irs_irp_send_command(pvt->girpdata, "getnetent") != 0) {
|
|
return (NULL);
|
|
}
|
|
|
|
if (irs_irp_get_full_response(pvt->girpdata, &code,
|
|
text, sizeof text,
|
|
&body, &bodylen) != 0) {
|
|
return (NULL);
|
|
}
|
|
|
|
if (code == IRPD_GETNET_OK) {
|
|
free_nw(nw);
|
|
if (irp_unmarshall_nw(nw, body) != 0) {
|
|
nw = NULL;
|
|
}
|
|
} else {
|
|
nw = NULL;
|
|
}
|
|
|
|
return (nw);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
* void nw_minimize(struct irs_nw *this)
|
|
*
|
|
*/
|
|
|
|
static void
|
|
nw_minimize(struct irs_nw *this) {
|
|
struct pvt *pvt = (struct pvt *)this->private;
|
|
|
|
irs_irp_disconnect(pvt->girpdata);
|
|
}
|
|
|
|
|
|
|
|
|
|
/* private. */
|
|
|
|
|
|
|
|
/*
|
|
* static void free_passwd(struct passwd *pw);
|
|
*
|
|
* deallocate all the memory irp_unmarshall_pw allocated.
|
|
*
|
|
*/
|
|
|
|
static void
|
|
free_nw(struct nwent *nw) {
|
|
char **p;
|
|
|
|
if (nw == NULL)
|
|
return;
|
|
|
|
if (nw->n_name != NULL)
|
|
free(nw->n_name);
|
|
|
|
if (nw->n_aliases != NULL) {
|
|
for (p = nw->n_aliases ; *p != NULL ; p++) {
|
|
free(*p);
|
|
}
|
|
free(nw->n_aliases);
|
|
}
|
|
|
|
if (nw->n_addr != NULL)
|
|
free(nw->n_addr);
|
|
}
|