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-rw-r--r--contrib/bind/lib/irs/getgrent.c147
1 files changed, 147 insertions, 0 deletions
diff --git a/contrib/bind/lib/irs/getgrent.c b/contrib/bind/lib/irs/getgrent.c
new file mode 100644
index 0000000..df34447fb0
--- /dev/null
+++ b/contrib/bind/lib/irs/getgrent.c
@@ -0,0 +1,147 @@
+/*
+ * 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 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(LINT) && !defined(CODECENTER)
+static char rcsid[] = "$Id: getgrent.c,v 1.13 1998/03/21 00:59:47 halley Exp $";
+#endif
+
+/* Imports */
+
+#include "port_before.h"
+
+#ifndef WANT_IRS_GR
+static int __bind_irs_gr_unneeded;
+#else
+
+#include <sys/types.h>
+
+#include <errno.h>
+#include <grp.h>
+#include <stdio.h>
+
+#include <irs.h>
+
+#include "port_after.h"
+
+#include "irs_data.h"
+
+/* Forward */
+
+static struct irs_gr * init(void);
+void endgrent(void);
+
+/* Public */
+
+struct group *
+getgrent() {
+ struct irs_gr *gr = init();
+
+ if (!gr)
+ return (NULL);
+ net_data.gr_last = (*gr->next)(gr);
+ return (net_data.gr_last);
+}
+
+struct group *
+getgrnam(const char *name) {
+ struct irs_gr *gr = init();
+
+ if (!gr)
+ return (NULL);
+ if (net_data.gr_stayopen && net_data.gr_last &&
+ !strcmp(net_data.gr_last->gr_name, name))
+ return (net_data.gr_last);
+ net_data.gr_last = (*gr->byname)(gr, name);
+ if (!net_data.gr_stayopen)
+ endgrent();
+ return (net_data.gr_last);
+}
+
+struct group *
+getgrgid(gid_t gid) {
+ struct irs_gr *gr = init();
+
+ if (!gr)
+ return (NULL);
+ if (net_data.gr_stayopen && net_data.gr_last &&
+ net_data.gr_last->gr_gid == gid)
+ return (net_data.gr_last);
+ net_data.gr_last = (*gr->bygid)(gr, gid);
+ if (!net_data.gr_stayopen)
+ endgrent();
+ return (net_data.gr_last);
+}
+
+int
+setgroupent(int stayopen) {
+ struct irs_gr *gr = init();
+
+ if (!gr)
+ return (0);
+ (*gr->rewind)(gr);
+ net_data.gr_stayopen = (stayopen != 0);
+ return (1);
+}
+
+#ifdef SETGRENT_VOID
+void
+setgrent() {
+ (void)setgroupent(0);
+}
+#else
+int
+setgrent() {
+ return (setgroupent(0));
+}
+#endif /* SETGRENT_VOID */
+
+void
+endgrent() {
+ struct irs_gr *gr = init();
+
+ if (gr != NULL)
+ (*gr->minimize)(gr);
+}
+
+int
+getgrouplist(const char *name, gid_t basegid, gid_t *groups, int *ngroups) {
+ struct irs_gr *gr = init();
+
+ if (!gr) {
+ *ngroups = 0;
+ return (-1);
+ }
+ return ((*gr->list)(gr, name, basegid, groups, ngroups));
+}
+
+/* Private */
+
+static struct irs_gr *
+init() {
+ if (!net_data_init())
+ goto error;
+ if (!net_data.gr)
+ net_data.gr = (*net_data.irs->gr_map)(net_data.irs);
+ if (!net_data.gr) {
+ error:
+ errno = EIO;
+ return (NULL);
+ }
+ return (net_data.gr);
+}
+
+#endif /* WANT_IRS_GR */
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