X-Git-Url: https://git.armaanb.net/?p=opendoas.git;a=blobdiff_plain;f=shadow.c;h=53877d559a82134028b5a571ebc4eb95cd452bca;hp=a775b2beec88571d6e8ed44af651b58a47d084f2;hb=a283d2f0e2569329bd13f97d2d61f7556ea51b30;hpb=37bd6612bdffabe6d8a588b391bd353c39497abb

diff --git a/shadow.c b/shadow.c
index a775b2b..53877d5 100644
--- a/shadow.c
+++ b/shadow.c
@@ -64,9 +64,14 @@ shadowauth(const char *myname, int persist)
 			"tty required for %s", myname);
 		errx(1, "a tty is required");
 	}
-	if ((encrypted = crypt(response, hash)) == NULL)
-		err(1, "crypt");
+	if (response == NULL)
+		err(1, "readpassphrase");
+	if ((encrypted = crypt(response, hash)) == NULL) {
+		explicit_bzero(rbuf, sizeof(rbuf));
+		errx(1, "Authorization failed");
+	}
 	if (strcmp(encrypted, hash) != 0) {
+		explicit_bzero(rbuf, sizeof(rbuf));
 		syslog(LOG_AUTHPRIV | LOG_NOTICE, "failed auth for %s", myname);
 		errx(1, "Authorization failed");
 	}