X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Ftincd.c;h=fc92f0b185e7615675bdc9ba09c37467d23d2d1b;hb=6dfdb323612184529b4b83c1be914dda8262de47;hp=98123feb3db07ee8910d245110eea696bba5d710;hpb=248d300f1be0d5f2aae39202041699ab2b46c56b;p=tinc

diff --git a/src/tincd.c b/src/tincd.c
index 98123feb..fc92f0b1 100644
--- a/src/tincd.c
+++ b/src/tincd.c
@@ -231,11 +231,16 @@ static bool parse_options(int argc, char **argv) {
 
 	/* netname "." is special: a "top-level name" */
 
-	if(netname && !strcmp(netname, ".")) {
+	if(netname && (!*netname || !strcmp(netname, "."))) {
 		free(netname);
 		netname = NULL;
 	}
 
+	if(netname && (strpbrk(netname, "\\/") || *netname == '.')) {
+		fprintf(stderr, "Invalid character in netname!\n");
+		return false;
+	}
+
 	return true;
 }
 
@@ -324,8 +329,11 @@ static bool drop_privs(void) {
 			       "initgroups", strerror(errno));
 			return false;
 		}
+#ifndef __ANDROID__
+// Not supported in android NDK
 		endgrent();
 		endpwent();
+#endif
 	}
 	if (do_chroot) {
 		tzset();	/* for proper timestamps in logs */