freebsd-dev/contrib/bind/lib/irs/irp_ng.c
Peter Wemm 6b6ac9438f Import bind v8.2.2.p5, minus the crypto for the time being. The bind
package does have BXA export approval, but the licensing strings on the
dnssafe code are a bit unpleasant.  The crypto is easy to restore and bind
will run without it - just without full dnssec support.

Obtained from:	The Internet Software Consortium (www.isc.org)
1999-11-30 02:43:11 +00:00

267 lines
5.0 KiB
C

/*
* 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(LINT) && !defined(CODECENTER)
static const char rcsid[] = "$Id: irp_ng.c,v 8.2 1999/10/13 16:39:31 vixie Exp $";
#endif
/* Imports */
#include "port_before.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <syslog.h>
#include <irs.h>
#include <irp.h>
#include <isc/memcluster.h>
#include <isc/irpmarshall.h>
#include "irs_p.h"
#include "irp_p.h"
#include "port_after.h"
/* Definitions */
struct pvt {
struct irp_p *girpdata;
int warned;
};
/* Forward */
static void ng_rewind(struct irs_ng *, const char*);
static void ng_close(struct irs_ng *);
static int ng_next(struct irs_ng *, char **, char **, char **);
static int ng_test(struct irs_ng *, const char *,
const char *, const char *,
const char *);
static void ng_minimize(struct irs_ng *);
/* Public */
/*
* struct irs_ng * irs_irp_ng(struct irs_acc *this)
*
* Notes:
*
* Intialize the irp netgroup module.
*
*/
struct irs_ng *
irs_irp_ng(struct irs_acc *this) {
struct irs_ng *ng;
struct pvt *pvt;
if (!(ng = memget(sizeof *ng))) {
errno = ENOMEM;
return (NULL);
}
memset(ng, 0x5e, sizeof *ng);
if (!(pvt = memget(sizeof *pvt))) {
memput(ng, sizeof *ng);
errno = ENOMEM;
return (NULL);
}
memset(pvt, 0, sizeof *pvt);
pvt->girpdata = this->private;
ng->private = pvt;
ng->close = ng_close;
ng->next = ng_next;
ng->test = ng_test;
ng->rewind = ng_rewind;
ng->minimize = ng_minimize;
return (ng);
}
/* Methods */
/*
* void ng_close(struct irs_ng *this)
*
*/
static void
ng_close(struct irs_ng *this) {
struct pvt *pvt = (struct pvt *)this->private;
ng_minimize(this);
memput(pvt, sizeof *pvt);
memput(this, sizeof *this);
}
/*
* void ng_rewind(struct irs_ng *this, const char *group)
*
*
*/
static void
ng_rewind(struct irs_ng *this, const char *group) {
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,
"setnetgrent %s", group) != 0) {
return;
}
code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
if (code != IRPD_GETNETGR_SETOK) {
if (irp_log_errors) {
syslog(LOG_WARNING, "setnetgrent(%s) failed: %s",
group, text);
}
}
return;
}
/*
* int ng_next(struct irs_ng *this, char **host, char **user, char **domain)
*
* Notes:
*
* Get the next netgroup item from the cache.
*
*/
static int
ng_next(struct irs_ng *this, char **host, char **user, char **domain) {
struct pvt *pvt = (struct pvt *)this->private;
int code;
char *body = NULL;
size_t bodylen;
int rval = 0;
char text[256];
if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
return (0);
}
if (irs_irp_send_command(pvt->girpdata, "getnetgrent") != 0)
return (0);
if (irs_irp_get_full_response(pvt->girpdata, &code,
text, sizeof text,
&body, &bodylen) != 0) {
return (0);
}
if (code == IRPD_GETNETGR_OK) {
if (irp_unmarshall_ng(host, user, domain, body) == 0) {
rval = 1;
}
}
if (body != NULL) {
memput(body, bodylen);
}
return (rval);
}
/*
* int ng_test(struct irs_ng *this, const char *name, const char *host,
* const char *user, const char *domain)
*
* Notes:
*
* Search for a match in a netgroup.
*
*/
static int
ng_test(struct irs_ng *this, const char *name,
const char *host, const char *user, const char *domain)
{
struct pvt *pvt = (struct pvt *)this->private;
char *body = NULL;
size_t bodylen = 0;
int code;
char text[256];
int rval = 0;
if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
return (0);
}
if (irp_marshall_ng(host, user, domain, &body, &bodylen) != 0) {
return (0);
}
if (irs_irp_send_command(pvt->girpdata, "innetgr %s", body) == 0) {
memput(body, bodylen);
code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
if (code == IRPD_GETNETGR_MATCHES) {
rval = 1;
}
}
return (rval);
}
/*
* void ng_minimize(struct irs_ng *this)
*
*/
static void
ng_minimize(struct irs_ng *this) {
struct pvt *pvt = (struct pvt *)this->private;
irs_irp_disconnect(pvt->girpdata);
}
/* Private */