Import (trimmed) ISC bind-8.1.2-t3b. This will be updated to 8.1.2 on

final release.

Obtained from:  ftp.isc.org

1 files changed, 196 insertions, 0 deletions

diff --git a/contrib/bind/lib/irs/dns_pw.c b/contrib/bind/lib/irs/dns_pw.c
new file mode 100644
index 0000000..97612d1
--- /dev/null
+++ b/contrib/bind/lib/irs/dns_pw.c
@@ -0,0 +1,196 @@
+/*
+ * Copyright (c) 1996 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(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: dns_pw.c,v 1.13 1997/12/04 04:57:48 halley Exp $";
+#endif
+
+#include "port_before.h"
+
+#ifndef WANT_IRS_PW
+static int __bind_irs_pw_unneeded;
+#else
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_p.h"
+#include "hesiod.h"
+#include "dns_p.h"
+
+/* Types. */
+
+struct pvt {
+	struct dns_p *dns;
+	struct passwd	passwd;
+	char *		pwbuf;
+};
+
+/* Forward. */
+
+static void 			pw_close(struct irs_pw *);
+static struct passwd *		pw_byname(struct irs_pw *, const char *);
+static struct passwd *		pw_byuid(struct irs_pw *, uid_t);
+static struct passwd *		pw_next(struct irs_pw *);
+static void 			pw_rewind(struct irs_pw *);
+static void			pw_minimize(struct irs_pw *);
+
+static struct passwd *		getpwcommon(struct irs_pw *, const char *,
+					    const char *);
+
+/* Public. */
+
+struct irs_pw *
+irs_dns_pw(struct irs_acc *this) {
+	struct dns_p *dns = (struct dns_p *)this->private;
+	struct irs_pw *pw;
+	struct pvt *pvt;
+
+	if (!dns || !dns->hes_ctx) {
+		errno = ENODEV;
+		return (NULL);
+	}
+	if (!(pvt = malloc(sizeof *pvt))) {
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pvt, 0, sizeof *pvt);
+	pvt->dns = dns;
+	if (!(pw = malloc(sizeof *pw))) {
+		free(pvt);
+		errno = ENOMEM;
+		return (NULL);
+	}
+	memset(pw, 0x5e, sizeof *pw);
+	pw->private = pvt;
+	pw->close = pw_close;
+	pw->byname = pw_byname;
+	pw->byuid = pw_byuid;
+	pw->next = pw_next;
+	pw->rewind = pw_rewind;
+	pw->minimize = pw_minimize;
+	return (pw);
+}
+
+/* Methods. */
+
+static void
+pw_close(struct irs_pw *this) {
+	struct pvt *pvt = (struct pvt *)this->private;
+
+	if (pvt->pwbuf)
+		free(pvt->pwbuf);
+	free(this);
+}
+
+static struct passwd *
+pw_byname(struct irs_pw *this, const char *nam) {
+	return (getpwcommon(this, nam, "passwd"));
+}
+
+static struct passwd *
+pw_byuid(struct irs_pw *this, uid_t uid) {
+	char uidstr[16];
+
+	sprintf(uidstr, "%lu", (u_long)uid);
+	return (getpwcommon(this, uidstr, "uid"));
+}
+
+static struct passwd *
+pw_next(struct irs_pw *this) {
+	errno = ENODEV;
+	return (NULL);
+}
+
+static void
+pw_rewind(struct irs_pw *this) {
+	/* NOOP */
+}
+
+static void
+pw_minimize(struct irs_pw *this) {
+	/* NOOP */
+}
+
+/* Private. */
+
+static struct passwd *
+getpwcommon(struct irs_pw *this, const char *arg, const char *type) {
+	struct pvt *pvt = (struct pvt *)this->private;
+	char **hes_list, *cp;
+
+	if (!(hes_list = hesiod_resolve(pvt->dns->hes_ctx, arg, type)))
+		return (NULL);
+	if (!*hes_list) {
+		hesiod_free_list(pvt->dns->hes_ctx, hes_list);
+		errno = ENOENT;
+		return (NULL);
+	}
+
+	memset(&pvt->passwd, 0, sizeof pvt->passwd);
+	if (pvt->pwbuf)
+		free(pvt->pwbuf);
+	pvt->pwbuf = strdup(*hes_list);
+	hesiod_free_list(pvt->dns->hes_ctx, hes_list);
+
+	cp = pvt->pwbuf;
+	pvt->passwd.pw_name = cp;
+	if (!(cp = strchr(cp, ':')))
+		goto cleanup;
+	*cp++ = '\0';
+
+	pvt->passwd.pw_passwd = cp;
+	if (!(cp = strchr(cp, ':')))
+		goto cleanup;
+	*cp++ = '\0';
+	
+	pvt->passwd.pw_uid = atoi(cp);
+	if (!(cp = strchr(cp, ':')))
+		goto cleanup;
+	*cp++ = '\0';
+
+	pvt->passwd.pw_gid = atoi(cp);
+	if (!(cp = strchr(cp, ':')))
+		goto cleanup;
+	*cp++ = '\0';
+
+	pvt->passwd.pw_gecos = cp;
+	if (!(cp = strchr(cp, ':')))
+		goto cleanup;
+	*cp++ = '\0';
+
+	pvt->passwd.pw_dir = cp;
+	if (!(cp = strchr(cp, ':')))
+		goto cleanup;
+	*cp++ = '\0';
+
+	pvt->passwd.pw_shell = cp;
+	return (&pvt->passwd);
+	
+ cleanup:
+	free(pvt->pwbuf);
+	pvt->pwbuf = NULL;
+	return (NULL);
+}
+
+#endif /* WANT_IRS_PW */