diff options
Diffstat (limited to 'resolv')
| -rw-r--r-- | resolv/inet_addr.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/resolv/inet_addr.c b/resolv/inet_addr.c index 0d3ba06..a5667eb 100644 --- a/resolv/inet_addr.c +++ b/resolv/inet_addr.c @@ -187,19 +187,20 @@ inet_aton(cp, addr) break; case 2: /* a.b -- 8.24 bits */ - if (val > 0xffffff) + if (parts[0] > 0xff || val > 0xffffff) goto ret_0; val |= parts[0] << 24; break; case 3: /* a.b.c -- 8.8.16 bits */ - if (val > 0xffff) + if (parts[0] > 0xff || parts[1] > 0xff || val > 0xffff) goto ret_0; val |= (parts[0] << 24) | (parts[1] << 16); break; case 4: /* a.b.c.d -- 8.8.8.8 bits */ - if (val > 0xff) + if (parts[0] > 0xff || parts[1] > 0xff || parts[2] > 0xff + || val > 0xff) goto ret_0; val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8); break; |