Vender import of BIND 9.3.0rc4.

1 files changed, 167 insertions, 0 deletions

diff --git a/contrib/bind9/lib/bind/irs/getnetgrent_r.c b/contrib/bind9/lib/bind/irs/getnetgrent_r.c
new file mode 100644
index 0000000..0e2a34f
--- /dev/null
+++ b/contrib/bind9/lib/bind/irs/getnetgrent_r.c
@@ -0,0 +1,167 @@
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1998-1999 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: getnetgrent_r.c,v 1.5.2.1.4.2 2004/04/13 04:59:29 marka Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <port_before.h>
+#if !defined(_REENTRANT) || !defined(DO_PTHREADS)
+	static int getnetgrent_r_not_required = 0;
+#else
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <netgroup.h>
+#include <stdlib.h>
+#include <port_after.h>
+
+#ifdef NGR_R_RETURN
+
+static NGR_R_RETURN 
+copy_protoent(char **, char **, char **, const char *, const char *,
+	      const char *, NGR_R_COPY_ARGS);
+
+NGR_R_RETURN
+innetgr_r(const char *netgroup, const char *host, const char *user,
+	  const char *domain) {
+	char *ng, *ho, *us, *dom;
+
+	DE_CONST(netgroup, ng);
+	DE_CONST(host, ho);
+	DE_CONST(user, us);
+	DE_CONST(domain, dom);
+
+	return (innetgr(ng, ho, us, dom));
+}
+
+/*
+ *	These assume a single context is in operation per thread.
+ *	If this is not the case we will need to call irs directly
+ *	rather than through the base functions.
+ */
+
+NGR_R_RETURN
+getnetgrent_r(char **machinep, char **userp, char **domainp, NGR_R_ARGS) {
+	char *mp, *up, *dp;
+	int res = getnetgrent(&mp, &up, &dp);
+
+	if (res != 1) 
+		return (res);
+
+	return (copy_protoent(machinep, userp, domainp,
+				mp, up, dp, NGR_R_COPY));
+}
+
+NGR_R_SET_RETURN
+#ifdef NGR_R_ENT_ARGS
+setnetgrent_r(const char *netgroup, NGR_R_ENT_ARGS)
+#else
+setnetgrent_r(const char *netgroup)
+#endif
+{
+	char *tmp;
+	DE_CONST(netgroup, tmp);
+	setnetgrent(tmp);
+#ifdef NGR_R_PRIVATE
+	*buf = NULL;
+#endif
+#ifdef NGR_R_SET_RESULT
+	return (NGR_R_SET_RESULT);
+#endif
+}
+
+NGR_R_END_RETURN
+#ifdef NGR_R_ENT_ARGS
+endnetgrent_r(NGR_R_ENT_ARGS)
+#else
+endnetgrent_r(void)
+#endif
+{
+	endnetgrent();
+#ifdef NGR_R_PRIVATE
+	if (*buf != NULL)
+		free(*buf);
+	*buf = NULL;
+#endif
+	NGR_R_END_RESULT(NGR_R_OK);
+}
+
+/* Private */
+
+static int
+copy_protoent(char **machinep, char **userp, char **domainp,
+	      const char *mp, const char *up, const char *dp,
+	      NGR_R_COPY_ARGS) {
+	char *cp;
+	int n;
+	int len;
+
+	/* Find out the amount of space required to store the answer. */
+	len = 0;
+	if (mp != NULL) len += strlen(mp) + 1;
+	if (up != NULL) len += strlen(up) + 1;
+	if (dp != NULL) len += strlen(dp) + 1;
+	
+#ifdef NGR_R_PRIVATE
+	free(*buf);
+	*buf = malloc(len);
+	if (*buf == NULL)
+		return(NGR_R_BAD);
+	cp = *buf;
+#else
+	if (len > (int)buflen) {
+		errno = ERANGE;
+		return (NGR_R_BAD);
+	}
+	cp = buf;
+#endif
+
+
+	if (mp != NULL) {
+		n = strlen(mp) + 1;
+		strcpy(cp, mp);
+		*machinep = cp;
+		cp += n;
+	} else
+		*machinep = NULL;
+
+	if (up != NULL) {
+		n = strlen(up) + 1;
+		strcpy(cp, up);
+		*userp = cp;
+		cp += n;
+	} else
+		*userp = NULL;
+
+	if (dp != NULL) {
+		n = strlen(dp) + 1;
+		strcpy(cp, dp);
+		*domainp = cp;
+		cp += n;
+	} else
+		*domainp = NULL;
+
+	return (NGR_R_OK);
+}
+#else /* NGR_R_RETURN */
+	static int getnetgrent_r_unknown_system = 0;
+#endif /* NGR_R_RETURN */
+#endif /* !defined(_REENTRANT) || !defined(DO_PTHREADS) */