diff options
| author | cinap_lenrek <cinap_lenrek@gmx.de> | 2013-04-02 03:39:24 +0200 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@gmx.de> | 2013-04-02 03:39:24 +0200 |
| commit | 4c2d520eeffe4c69f93f7195658f6e4877bb2ccf (patch) | |
| tree | e7ffaa1118c478caaf8c30c28b435deb96972dee /sys/src/libip | |
| parent | e8c1d0fe7cdfcbf0d913b5091a33a14da561f976 (diff) | |
fix parseip()
addresses like: "1:2:3:4:5:6:7:255.255.255.255" caused parseip
to write beyond the ip buffer.
Diffstat (limited to 'sys/src/libip')
| -rw-r--r-- | sys/src/libip/parseip.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/src/libip/parseip.c b/sys/src/libip/parseip.c index 7856b4a6c..9f5d5dac7 100644 --- a/sys/src/libip/parseip.c +++ b/sys/src/libip/parseip.c @@ -74,6 +74,10 @@ parseip(uchar *to, char *from) op = p; x = strtoul(p, &p, 16); if(*p == '.' || (*p == 0 && i == 0)){ /* ends with v4? */ + if(i > IPaddrlen-4){ + memset(to, 0, IPaddrlen); + return -1; /* parse error */ + } p = v4parseip(to+i, op); i += 4; break; |