From 8daa83a594a2e98f39d764422bfbdbc62c9efd44 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 19:20:00 +0200
Subject: Adding upstream version 2:4.20.0+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 examples/nss/wbtest.c | 111 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 examples/nss/wbtest.c

(limited to 'examples/nss/wbtest.c')

diff --git a/examples/nss/wbtest.c b/examples/nss/wbtest.c
new file mode 100644
index 0000000..14265bd
--- /dev/null
+++ b/examples/nss/wbtest.c
@@ -0,0 +1,111 @@
+/* 
+   nss sample code for extended winbindd functionality
+
+   Copyright (C) Andrew Tridgell (tridge@samba.org)   
+
+   you are free to use this code in any way you see fit, including
+   without restriction, using this code in your own products. You do
+   not need to give any attribution.
+*/
+
+/*
+   compile like this:
+
+      cc -o wbtest wbtest.c nss_winbind.c -ldl
+
+   and run like this:
+
+      ./wbtest /lib/libnss_winbind.so
+*/
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <nss.h>
+#include <dlfcn.h>
+#include <pwd.h>
+#include <grp.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/types.h>
+
+#include "nss_winbind.h"
+
+static int nss_test_users(struct nss_state *nss)
+{
+	struct passwd pwd;
+
+	if (nss_setpwent(nss) != 0) {
+		perror("setpwent");
+		return -1;
+	}
+
+	/* loop over all users */
+	while ((nss_getpwent(nss, &pwd) == 0)) {
+		char *sid, **group_sids, *name2;
+		int i;
+
+		printf("User %s\n", pwd.pw_name);
+		if (nss_nametosid(nss, pwd.pw_name, &sid) != 0) {
+			perror("nametosid");
+			return -1;
+		}
+		printf("\tSID %s\n", sid);
+
+		if (nss_sidtoname(nss, sid, &name2) != 0) {
+			perror("sidtoname");
+			return -1;
+		}
+		printf("\tSID->name %s\n", name2);
+
+		if (nss_getusersids(nss, sid, &group_sids) != 0) {
+			perror("getusersids");
+			return -1;
+		}
+
+		printf("\tGroups:\n");
+		for (i=0; group_sids[i]; i++) {
+			printf("\t\t%s\n", group_sids[i]);
+			free(group_sids[i]);
+		}
+
+		free(sid);
+		free(name2);
+		free(group_sids);
+	}
+
+
+	if (nss_endpwent(nss) != 0) {
+		perror("endpwent");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+/*
+  main program. It lists all users, listing user SIDs for each user
+ */
+int main(int argc, char *argv[])
+{	
+	struct nss_state nss;
+	const char *so_path = "/lib/libnss_winbind.so";
+	int ret;
+
+	if (argc > 1) {
+		so_path = argv[1];
+	}
+
+	if (nss_open(&nss, so_path) != 0) {
+		perror("nss_open");
+		exit(1);
+	}
+
+	ret = nss_test_users(&nss);
+
+	nss_close(&nss);
+
+	return ret;
+}
-- 
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