1 files changed, 87 insertions, 0 deletions
diff --git a/src/regress/net_ifs/check_net_ifs.c b/src/regress/net_ifs/check_net_ifs.c
new file mode 100644
index 0000000..f1551c4
--- /dev/null
+++ b/src/regress/net_ifs/check_net_ifs.c
@@ -0,0 +1,87 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 2021-2022 Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * 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 THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR 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.
+ */
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef HAVE_STDBOOL_H
+# include <stdbool.h>
+#else
+# include "compat/stdbool.h"
+#endif /* HAVE_STDBOOL_H */
+#include <string.h>
+#include <unistd.h>
+#include <limits.h>
+#include <errno.h>
+
+#include "sudo_compat.h"
+#include "sudo_util.h"
+
+sudo_dso_public int main(int argc, char *argv[]);
+
+extern int get_net_ifs(char **addrinfo);
+
+int
+main(int argc, char *argv[])
+{
+    int ch, ninterfaces, errors = 0, ntests = 1;
+    char *interfaces = NULL;
+    bool verbose = false;
+
+    initprogname(argc > 0 ? argv[0] : "check_net_ifs");
+
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    verbose = true;
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+
+    ninterfaces = get_net_ifs(&interfaces);
+    switch (ninterfaces) {
+    case -1:
+	printf("FAIL: unable to get network interfaces\n");
+	errors++;
+	break;
+    case 0:
+	/* no interfaces or STUB_LOAD_INTERFACES defined. */
+	if (verbose)
+	    printf("OK: (0 interfaces)\n");
+	break;
+    default:
+	if (verbose) {
+	    printf("OK: (%d interface%s, %s)\n", ninterfaces,
+		ninterfaces > 1 ? "s" : "", interfaces);
+	}
+	break;
+    }
+    free(interfaces);
+
+    if (ntests != 0) {
+        printf("%s: %d tests run, %d errors, %d%% success rate\n",
+            getprogname(), ntests, errors, (ntests - errors) * 100 / ntests);
+    }
+    return errors;
+}