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author | rmacklem <rmacklem@FreeBSD.org> | 2009-05-22 16:41:33 +0000 |
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committer | rmacklem <rmacklem@FreeBSD.org> | 2009-05-22 16:41:33 +0000 |
commit | 9bc0f6dfac2f06dc61215d3ea192097baf874876 (patch) | |
tree | f36062e841b7bfe7c3d2caf39e32b4d1a82baa63 /sys/fs/nfsserver | |
parent | fb57d2691e61eb7ee2ab8df2ee9f41842c5f1a26 (diff) | |
download | FreeBSD-src-9bc0f6dfac2f06dc61215d3ea192097baf874876.zip FreeBSD-src-9bc0f6dfac2f06dc61215d3ea192097baf874876.tar.gz |
Change the reboot panic that would have occurred if clientid
numbers wrapped around to a printf() warning of a possible
DOS attack, in the experimental nfsv4 server.
Approved by: kib (mentor)
Diffstat (limited to 'sys/fs/nfsserver')
-rw-r--r-- | sys/fs/nfsserver/nfs_nfsdstate.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/sys/fs/nfsserver/nfs_nfsdstate.c b/sys/fs/nfsserver/nfs_nfsdstate.c index 37ba36e..70d722b 100644 --- a/sys/fs/nfsserver/nfs_nfsdstate.c +++ b/sys/fs/nfsserver/nfs_nfsdstate.c @@ -3705,12 +3705,8 @@ nfsrv_nextclientindex(void) if (client_index != 0) return (client_index); - /* - * In practice we'll never get here, but the panic is here - * just for fun. (client_index will not wrap around on any real server) - */ - panic("nfsv4 server out of clientids"); - return (0); /* Just to shut the compiler up */ + printf("out of clientids, possible DOS attack\n"); + return (client_index); } /* |