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-rw-r--r--lib/bind/irs/irp_sv.c346
1 files changed, 346 insertions, 0 deletions
diff --git a/lib/bind/irs/irp_sv.c b/lib/bind/irs/irp_sv.c
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--- /dev/null
+++ b/lib/bind/irs/irp_sv.c
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+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * 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 ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC 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_sv.c,v 1.2.18.1 2005/04/27 05:01:01 sra Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+/* extern */
+
+#include "port_before.h"
+
+#include <syslog.h>
+#include <sys/types.h>
+#include <sys/socket.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 <syslog.h>
+
+#include <irs.h>
+#include <irp.h>
+#include <isc/irpmarshall.h>
+#include <isc/memcluster.h>
+
+#include "irs_p.h"
+#include "lcl_p.h"
+#include "irp_p.h"
+
+#include "port_after.h"
+
+/* Types */
+
+struct pvt {
+ struct irp_p *girpdata;
+ int warned;
+ struct servent service;
+};
+
+/* 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 *);
+
+static void free_service(struct servent *sv);
+
+
+
+/* Public */
+
+/*%
+ * struct irs_sv * irs_irp_sv(struct irs_acc *this)
+ *
+ */
+
+struct irs_sv *
+irs_irp_sv(struct irs_acc *this) {
+ struct irs_sv *sv;
+ struct pvt *pvt;
+
+ if ((sv = memget(sizeof *sv)) == NULL) {
+ errno = ENOMEM;
+ return (NULL);
+ }
+ memset(sv, 0x0, sizeof *sv);
+
+ if ((pvt = memget(sizeof *pvt)) == NULL) {
+ memput(sv, sizeof *sv);
+ errno = ENOMEM;
+ return (NULL);
+ }
+ memset(pvt, 0, sizeof *pvt);
+ pvt->girpdata = this->private;
+
+ 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;
+
+ return (sv);
+}
+
+/* Methods */
+
+/*%
+ * void sv_close(struct irs_sv *this)
+ *
+ */
+
+static void
+sv_close(struct irs_sv *this) {
+ struct pvt *pvt = (struct pvt *)this->private;
+
+ sv_minimize(this);
+
+ free_service(&pvt->service);
+
+ memput(pvt, sizeof *pvt);
+ memput(this, sizeof *this);
+}
+
+/*%
+ * Fills the cache if necessary and returns the next item from it.
+ *
+ */
+
+static struct servent *
+sv_next(struct irs_sv *this) {
+ struct pvt *pvt = (struct pvt *)this->private;
+ struct servent *sv = &pvt->service;
+ 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, "getservent") != 0) {
+ return (NULL);
+ }
+
+ if (irs_irp_get_full_response(pvt->girpdata, &code,
+ text, sizeof text,
+ &body, &bodylen) != 0) {
+ return (NULL);
+ }
+
+ if (code == IRPD_GETSERVICE_OK) {
+ free_service(sv);
+ if (irp_unmarshall_sv(sv, body) != 0) {
+ sv = NULL;
+ }
+ } else {
+ sv = NULL;
+ }
+
+ if (body != NULL) {
+ memput(body, bodylen);
+ }
+
+ return (sv);
+}
+
+/*%
+ * struct servent * sv_byname(struct irs_sv *this, const char *name,
+ * const char *proto)
+ *
+ */
+
+static struct servent *
+sv_byname(struct irs_sv *this, const char *name, const char *proto) {
+ struct pvt *pvt = (struct pvt *)this->private;
+ struct servent *sv = &pvt->service;
+ char *body;
+ char text[256];
+ size_t bodylen;
+ int code;
+
+ if (sv->s_name != NULL &&
+ strcmp(name, sv->s_name) == 0 &&
+ strcasecmp(proto, sv->s_proto) == 0) {
+ return (sv);
+ }
+
+ if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+ return (NULL);
+ }
+
+ if (irs_irp_send_command(pvt->girpdata, "getservbyname %s %s",
+ name, proto) != 0)
+ return (NULL);
+
+ if (irs_irp_get_full_response(pvt->girpdata, &code,
+ text, sizeof text,
+ &body, &bodylen) != 0) {
+ return (NULL);
+ }
+
+ if (code == IRPD_GETSERVICE_OK) {
+ free_service(sv);
+ if (irp_unmarshall_sv(sv, body) != 0) {
+ sv = NULL;
+ }
+ } else {
+ sv = NULL;
+ }
+
+ if (body != NULL) {
+ memput(body, bodylen);
+ }
+
+ return (sv);
+}
+
+/*%
+ * struct servent * sv_byport(struct irs_sv *this, int port,
+ * const char *proto)
+ *
+ */
+
+static struct servent *
+sv_byport(struct irs_sv *this, int port, const char *proto) {
+ struct pvt *pvt = (struct pvt *)this->private;
+ struct servent *sv = &pvt->service;
+ char *body;
+ size_t bodylen;
+ char text[256];
+ int code;
+
+ if (sv->s_name != NULL &&
+ port == sv->s_port &&
+ strcasecmp(proto, sv->s_proto) == 0) {
+ return (sv);
+ }
+
+ if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) {
+ return (NULL);
+ }
+
+ if (irs_irp_send_command(pvt->girpdata, "getservbyport %d %s",
+ ntohs((short)port), proto) != 0) {
+ return (NULL);
+ }
+
+ if (irs_irp_get_full_response(pvt->girpdata, &code,
+ text, sizeof text,
+ &body, &bodylen) != 0) {
+ return (NULL);
+ }
+
+ if (code == IRPD_GETSERVICE_OK) {
+ free_service(sv);
+ if (irp_unmarshall_sv(sv, body) != 0) {
+ sv = NULL;
+ }
+ } else {
+ sv = NULL;
+ }
+
+ if (body != NULL) {
+ memput(body, bodylen);
+ }
+
+ return (sv);
+}
+
+/*%
+ * void sv_rewind(struct irs_sv *this)
+ *
+ */
+
+static void
+sv_rewind(struct irs_sv *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, "setservent") != 0) {
+ return;
+ }
+
+ code = irs_irp_read_response(pvt->girpdata, text, sizeof text);
+ if (code != IRPD_GETSERVICE_SETOK) {
+ if (irp_log_errors) {
+ syslog(LOG_WARNING, "setservent failed: %s", text);
+ }
+ }
+
+ return;
+}
+
+/*%
+ * void sv_minimize(struct irs_sv *this)
+ *
+ */
+
+static void
+sv_minimize(struct irs_sv *this) {
+ struct pvt *pvt = (struct pvt *)this->private;
+
+ irs_irp_disconnect(pvt->girpdata);
+}
+
+
+
+
+
+
+static void
+free_service(struct servent *sv) {
+ char **p;
+
+ if (sv == NULL) {
+ return;
+ }
+
+ if (sv->s_name != NULL) {
+ free(sv->s_name);
+ }
+
+ for (p = sv->s_aliases ; p != NULL && *p != NULL ; p++) {
+ free(*p);
+ }
+
+ if (sv->s_proto != NULL) {
+ free(sv->s_proto);
+ }
+}
+
+
+
+/*! \file */
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