diff options
| author | ume <ume@FreeBSD.org> | 2005-07-27 14:33:36 +0000 |
|---|---|---|
| committer | ume <ume@FreeBSD.org> | 2005-07-27 14:33:36 +0000 |
| commit | ca8316b8dd70d583004789919db2eb8cc4720940 (patch) | |
| tree | 4f3b518c78998bf7a6e141201db1be03c871909f /lib | |
| parent | d675d9c68fc46a791701a318b0c4035d0ce8e66a (diff) | |
| download | FreeBSD-src-ca8316b8dd70d583004789919db2eb8cc4720940.zip FreeBSD-src-ca8316b8dd70d583004789919db2eb8cc4720940.tar.gz | |
don't accept invalid form of an address like 1:2:3:4:5:6:7::8.
PR: bin/84106
Obtained from: BIND9
MFC after: 2 days
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/net/inet_pton.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/libc/net/inet_pton.c b/lib/libc/net/inet_pton.c index 65f28cf..78dbf44 100644 --- a/lib/libc/net/inet_pton.c +++ b/lib/libc/net/inet_pton.c @@ -88,6 +88,8 @@ inet_pton4(const char *src, u_char *dst) if ((pch = strchr(digits, ch)) != NULL) { u_int new = *tp * 10 + (pch - digits); + if (saw_digit && *tp == 0) + return (0); if (new > 255) return (0); *tp = new; @@ -195,6 +197,8 @@ inet_pton6(const char *src, u_char *dst) const int n = tp - colonp; int i; + if (tp == endp) + return (0); for (i = 1; i <= n; i++) { endp[- i] = colonp[n - i]; colonp[n - i] = 0; |
