Flatten bind9 vendor work area

1 files changed, 348 insertions, 0 deletions

diff --git a/lib/bind/irs/irp_nw.c b/lib/bind/irs/irp_nw.c
new file mode 100644
index 0000000..b285120
--- /dev/null
+++ b/lib/bind/irs/irp_nw.c
@@ -0,0 +1,348 @@
+/*
+ * 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_nw.c,v 1.2.18.2 2006/03/10 00:20:08 marka 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;
+}
+
+/*%
+ * 	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;
+	}
+
+	if (body != NULL)
+		memput(body, bodylen);
+	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. */
+
+/*%
+ *	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);
+}
+
+/*! \file */