rfbEncryptAndStorePasswd: fail if encryption fails

LibVNC · Mar 27, 2024 · c192315 · c192315
1 parent 042a816
commit c192315
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/common/vncauth.c b/src/common/vncauth.c
@@ -102,7 +102,10 @@ rfbEncryptAndStorePasswd(char *passwd, char *fname)
 
     /* Do encryption in-place - this way we overwrite our copy of the plaintext
        password */
-    encrypt_rfbdes(encryptedPasswd, &out_len, fixedkey, encryptedPasswd, sizeof(encryptedPasswd));
+    if (encrypt_rfbdes(encryptedPasswd, &out_len, fixedkey, encryptedPasswd, sizeof(encryptedPasswd)) == 0) {
+	fclose(fp);
+	return 1;
+    }
 
     for (i = 0; i < 8; i++) {
 	putc(encryptedPasswd[i], fp);