diff options
Diffstat (limited to 'addr.c')
| -rw-r--r-- | addr.c | 12 |
1 files changed, 7 insertions, 5 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: addr.c,v 1.7 2023/03/27 03:31:05 djm Exp $ */ +/* $OpenBSD: addr.c,v 1.8 2024/04/02 09:29:31 deraadt Exp $ */ /* * Copyright (c) 2004-2008 Damien Miller <djm@mindrot.org> @@ -27,6 +27,7 @@ #include <string.h> #include <stdlib.h> #include <stdio.h> +#include <limits.h> #include "addr.h" @@ -457,8 +458,9 @@ int addr_pton_cidr(const char *p, struct xaddr *n, u_int *l) { struct xaddr tmp; - long unsigned int masklen = 999; - char addrbuf[64], *mp, *cp; + u_int masklen = 999; + char addrbuf[64], *mp; + const char *errstr; /* Don't modify argument */ if (p == NULL || strlcpy(addrbuf, p, sizeof(addrbuf)) >= sizeof(addrbuf)) @@ -467,8 +469,8 @@ addr_pton_cidr(const char *p, struct xaddr *n, u_int *l) if ((mp = strchr(addrbuf, '/')) != NULL) { *mp = '\0'; mp++; - masklen = strtoul(mp, &cp, 10); - if (*mp < '0' || *mp > '9' || *cp != '\0' || masklen > 128) + masklen = (u_int)strtonum(mp, 0, INT_MAX, &errstr); + if (errstr) return -1; } |