356 lines
6.4 KiB
C
356 lines
6.4 KiB
C
/* $NetBSD: irp_pr.c,v 1.1.1.1 1999/11/20 18:54:09 veego Exp $ */
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/*
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* Portions Copyright (c) 1996 by Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static const char rcsid[] = "Id: irp_pr.c,v 8.1 1999/01/18 07:46:54 vixie Exp";
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#endif /* LIBC_SCCS and not lint */
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/* extern */
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#include "port_before.h"
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#include <syslog.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <netdb.h>
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#include <syslog.h>
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#include <irs.h>
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#include <irp.h>
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#include <isc/memcluster.h>
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#include <isc/irpmarshall.h>
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#include "irs_p.h"
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#include "lcl_p.h"
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#include "irp_p.h"
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#include "port_after.h"
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#define MAXALIASES 35
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/* Types */
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struct pvt {
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struct irp_p *girpdata;
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int warned;
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struct protoent proto;
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};
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/* Forward */
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static void pr_close(struct irs_pr *);
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static struct protoent * pr_next(struct irs_pr *);
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static struct protoent * pr_byname(struct irs_pr *, const char *);
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static struct protoent * pr_bynumber(struct irs_pr *, int);
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static void pr_rewind(struct irs_pr *);
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static void pr_minimize(struct irs_pr *);
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static void free_proto(struct protoent *pr);
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/* Public */
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/*
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* struct irs_pr * irs_irp_pr(struct irs_acc *this)
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*
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*/
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struct irs_pr *
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irs_irp_pr(struct irs_acc *this) {
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struct irs_pr *pr;
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struct pvt *pvt;
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if (!(pr = memget(sizeof *pr))) {
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errno = ENOMEM;
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return (NULL);
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}
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memset(pr, 0x0, sizeof *pr);
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if (!(pvt = memget(sizeof *pvt))) {
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memput(pr, sizeof *pr);
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errno = ENOMEM;
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return (NULL);
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}
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memset(pvt, 0, sizeof *pvt);
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pvt->girpdata = this->private;
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pr->private = pvt;
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pr->close = pr_close;
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pr->byname = pr_byname;
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pr->bynumber = pr_bynumber;
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pr->next = pr_next;
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pr->rewind = pr_rewind;
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pr->minimize = pr_minimize;
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return (pr);
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}
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/* Methods */
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/*
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* void pr_close(struct irs_pr *this)
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*
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*/
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static void
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pr_close(struct irs_pr *this) {
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struct pvt *pvt = (struct pvt *)this->private;
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pr_minimize(this);
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free_proto(&pvt->proto);
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memput(pvt, sizeof *pvt);
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memput(this, sizeof *this);
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}
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/*
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* struct protoent * pr_byname(struct irs_pr *this, const char *name)
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*
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*/
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static struct protoent *
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pr_byname(struct irs_pr *this, const char *name) {
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struct pvt *pvt = (struct pvt *)this->private;
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struct protoent *pr = &pvt->proto;
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char *body = NULL;
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size_t bodylen;
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int code;
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int i;
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char text[256];
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if (pr->p_name != NULL && strcmp(name, pr->p_name) == 0) {
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return (pr);
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}
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if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
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return (NULL);
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}
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i = irs_irp_send_command(pvt->girpdata, "getprotobyname %s", name);
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if (i != 0)
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return (NULL);
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if (irs_irp_get_full_response(pvt->girpdata, &code,
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text, sizeof text,
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&body, &bodylen) != 0) {
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return (NULL);
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}
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if (code == IRPD_GETPROTO_OK) {
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free_proto(pr);
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if (irp_unmarshall_pr(pr, body) != 0) {
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pr = NULL;
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}
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} else {
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pr = NULL;
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}
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if (body != NULL) {
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memput(body, bodylen);
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}
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return (pr);
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}
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/*
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* struct protoent * pr_bynumber(struct irs_pr *this, int proto)
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*
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*/
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static struct protoent *
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pr_bynumber(struct irs_pr *this, int proto) {
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struct pvt *pvt = (struct pvt *)this->private;
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struct protoent *pr = &pvt->proto;
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char *body = NULL;
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size_t bodylen;
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int code;
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int i;
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char text[256];
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if (pr->p_name != NULL && proto == pr->p_proto) {
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return (pr);
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}
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if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
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return (NULL);
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}
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i = irs_irp_send_command(pvt->girpdata, "getprotobynumber %d", proto);
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if (i != 0)
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return (NULL);
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if (irs_irp_get_full_response(pvt->girpdata, &code,
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text, sizeof text,
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&body, &bodylen) != 0) {
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return (NULL);
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}
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if (code == IRPD_GETPROTO_OK) {
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free_proto(pr);
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if (irp_unmarshall_pr(pr, body) != 0) {
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pr = NULL;
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}
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} else {
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pr = NULL;
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}
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if (body != NULL) {
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memput(body, bodylen);
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}
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return (pr);
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}
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/*
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* void pr_rewind(struct irs_pr *this)
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*
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*/
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static void
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pr_rewind(struct irs_pr *this) {
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struct pvt *pvt = (struct pvt *)this->private;
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char text[256];
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int code;
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if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
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return;
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}
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if (irs_irp_send_command(pvt->girpdata, "setprotoent") != 0) {
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return;
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}
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code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
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if (code != IRPD_GETPROTO_SETOK) {
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if (irp_log_errors) {
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syslog(LOG_WARNING, "setprotoent failed: %s", text);
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}
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}
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return;
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}
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/*
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* struct protoent * pr_next(struct irs_pr *this)
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*
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* Notes:
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*
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* Prepares the cache if necessary and returns the next item in it.
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*
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*/
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static struct protoent *
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pr_next(struct irs_pr *this) {
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struct pvt *pvt = (struct pvt *)this->private;
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struct protoent *pr = &pvt->proto;
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char *body;
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size_t bodylen;
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int code;
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char text[256];
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if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
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return (NULL);
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}
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if (irs_irp_send_command(pvt->girpdata, "getprotoent") != 0) {
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return (NULL);
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}
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if (irs_irp_get_full_response(pvt->girpdata, &code,
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text, sizeof text,
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&body, &bodylen) != 0) {
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return (NULL);
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}
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if (code == IRPD_GETPROTO_OK) {
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free_proto(pr);
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if (irp_unmarshall_pr(pr, body) != 0) {
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pr = NULL;
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}
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} else {
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pr = NULL;
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}
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if (body != NULL) {
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memput(body, bodylen);
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}
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return (pr);
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}
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/*
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* void pr_minimize(struct irs_pr *this)
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*
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*/
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static void
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pr_minimize(struct irs_pr *this) {
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struct pvt *pvt = (struct pvt *)this->private;
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irs_irp_disconnect(pvt->girpdata);
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}
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/*
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* static void free_proto(struct protoent *pw);
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*
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* Deallocate all the memory irp_unmarshall_pr allocated.
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*
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*/
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static void
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free_proto(struct protoent *pr) {
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char **p;
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if (pr == NULL)
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return;
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if (pr->p_name != NULL)
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free(pr->p_name);
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for (p = pr->p_aliases ; p != NULL && *p != NULL ; p++)
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free(*p);
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}
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