Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4c6510a738c71ca6b4b7b624a7d0a00acebfd7fb
Commit: 4c6510a738c71ca6b4b7b624a7d0a00acebfd7fb
Parent: 3fbe070a4293e8ab2d2edb1bc23f1e5220ce61af
Author: YOSHIFUJI Hideaki <[EMAIL PROTECTED]>
AuthorDate: Sun Mar 18 17:35:57 2007 -0700
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Wed Apr 25 22:24:16 2007 -0700
[IPV6]: Return correct result for sticky options.
We returned incorrect result with IPV6_RTHDRDSTOPTS, IPV6_RTHDR and
IPV6_DSTOPTS.
Signed-off-by: YOSHIFUJI Hideaki <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
net/ipv6/ipv6_sockglue.c | 27 +++++++++++++++++++++++----
1 files changed, 23 insertions(+), 4 deletions(-)
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 1cb7a08..eceed09 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -797,13 +797,32 @@ EXPORT_SYMBOL(compat_ipv6_setsockopt);
#endif
static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_txoptions *opt,
- char __user *optval, int len)
+ int optname, char __user *optval, int len)
{
struct ipv6_opt_hdr *hdr;
- if (!opt || !opt->hopopt)
+ if (!opt)
+ return 0;
+
+ switch(optname) {
+ case IPV6_HOPOPTS:
+ hdr = opt->hopopt;
+ break;
+ case IPV6_RTHDRDSTOPTS:
+ hdr = opt->dst0opt;
+ break;
+ case IPV6_RTHDR:
+ hdr = (struct ipv6_opt_hdr *)opt->srcrt;
+ break;
+ case IPV6_DSTOPTS:
+ hdr = opt->dst1opt;
+ break;
+ default:
+ return -EINVAL; /* should not happen */
+ }
+
+ if (!hdr)
return 0;
- hdr = opt->hopopt;
len = min_t(unsigned int, len, ipv6_optlen(hdr));
if (copy_to_user(optval, hdr, ipv6_optlen(hdr)))
@@ -946,7 +965,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level,
int optname,
lock_sock(sk);
len = ipv6_getsockopt_sticky(sk, np->opt,
- optval, len);
+ optname, optval, len);
release_sock(sk);
return put_user(len, optlen);
}
-
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