Index: lib/libfetch/fetch.c
===================================================================
--- lib/libfetch/fetch.c
+++ lib/libfetch/fetch.c
@@ -405,6 +405,7 @@
 		q = p + 1 + strspn(p + 1, ":0123456789ABCDEFabcdef");
 		if (*q++ != ']')
 			goto ouch;
+		p++;
 	} else {
 		/* valid characters in a DNS name */
 		q = p + strspn(p, "-." "0123456789"
@@ -413,8 +414,11 @@
 	}
 	if ((*q != '\0' && *q != '/' && *q != ':') || q - p > MAXHOSTNAMELEN)
 		goto ouch;
-	for (i = 0; p + i < q; i++)
+	for (i = 0; p + i < q; i++) {
+		if (p[i] == ']')
+			break;
 		u->host[i] = tolower((unsigned char)p[i]);
+	}
 	u->host[i] = '\0';
 	p = q;