diff options
| author | Maxim Konovalov <maxim@FreeBSD.org> | 2003-04-14 08:34:14 +0000 |
|---|---|---|
| committer | Maxim Konovalov <maxim@FreeBSD.org> | 2003-04-14 08:34:14 +0000 |
| commit | 29dccd6ae105f3999712b5defee8b2a08a7e4f5a (patch) | |
| tree | fdd4e412161fd7e295b8afaeda44479eb0ff76f5 /sbin/ping/ping.c | |
| parent | 2f912fc9763aff4b8b8ec1f4ac492474c4014419 (diff) | |
| download | src-29dccd6ae105f3999712b5defee8b2a08a7e4f5a.tar.gz src-29dccd6ae105f3999712b5defee8b2a08a7e4f5a.zip | |
o Skip timestamp part when checking payload.
PR: bin/50909
Submitted by: Barney Wolff <barney@lab.databus.com>
Notes
Notes:
svn path=/head/; revision=113463
Diffstat (limited to 'sbin/ping/ping.c')
| -rw-r--r-- | sbin/ping/ping.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sbin/ping/ping.c b/sbin/ping/ping.c index 1660760ffeb0..a6650482ed98 100644 --- a/sbin/ping/ping.c +++ b/sbin/ping/ping.c @@ -1012,8 +1012,14 @@ pr_pack(buf, cc, from, tv) cp = (u_char*)&icp->icmp_data[phdr_len]; dp = &outpack[MINICMPLEN + phdr_len]; cc -= ICMP_MINLEN + phdr_len; - for (i = phdr_len; i < datalen && cc != 0; - ++i, ++cp, ++dp, cc--) { + i = 0; + if (timing) { /* don't check variable timestamp */ + cp += TIMEVAL_LEN; + dp += TIMEVAL_LEN; + cc -= TIMEVAL_LEN; + i += TIMEVAL_LEN; + } + for (; i < datalen && cc > 0; ++i, ++cp, ++dp, --cc) { if (*cp != *dp) { (void)printf("\nwrong data byte #%d should be 0x%x but was 0x%x", i, *dp, *cp); |