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Don't use a userspace pointer in the kernel when trying to record the hostname

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which we need for NLM requests.

PR:		125849
This commit is contained in:
Doug Rabson 2008-07-24 13:42:28 +00:00
parent 52c7653383
commit db428b786c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=180779
1 changed files with 12 additions and 8 deletions
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20
sys/nfsclient/nfs_vfsops.c
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@ -105,7 +105,7 @@ SYSCTL_INT(_vfs_nfs, NFS_TPRINTF_DELAY,
downdelayinterval, CTLFLAG_RW, &nfs_tprintf_delay, 0, "");
static void nfs_decode_args(struct mount *mp, struct nfsmount *nmp,
struct nfs_args *argp);
struct nfs_args *argp, const char *hostname);
static int mountnfs(struct nfs_args *, struct mount *,
struct sockaddr *, char *, struct vnode **,
struct ucred *cred);
@ -540,7 +540,8 @@ nfs_mountdiskless(char *path,
}
static void
nfs_decode_args(struct mount *mp, struct nfsmount *nmp, struct nfs_args *argp)
nfs_decode_args(struct mount *mp, struct nfsmount *nmp, struct nfs_args *argp,
const char *hostname)
{
int s;
int adjsock;
@ -706,10 +707,13 @@ nfs_decode_args(struct mount *mp, struct nfsmount *nmp, struct nfs_args *argp)
}
}
strlcpy(nmp->nm_hostname, argp->hostname, sizeof(nmp->nm_hostname));
p = strchr(nmp->nm_hostname, ':');
if (p)
*p = '\0';
if (hostname) {
strlcpy(nmp->nm_hostname, argp->hostname,
sizeof(nmp->nm_hostname));
p = strchr(nmp->nm_hostname, ':');
if (p)
*p = '\0';
}
}
static const char *nfs_opts[] = { "from", "nfs_args",
@ -799,7 +803,7 @@ nfs_mount(struct mount *mp, struct thread *td)
~(NFSMNT_NFSV3 | NFSMNT_NOLOCKD /*|NFSMNT_XLATECOOKIE*/)) |
(nmp->nm_flag &
(NFSMNT_NFSV3 | NFSMNT_NOLOCKD /*|NFSMNT_XLATECOOKIE*/));
nfs_decode_args(mp, nmp, &args);
nfs_decode_args(mp, nmp, &args, NULL);
goto out;
}
@ -937,7 +941,7 @@ mountnfs(struct nfs_args *argp, struct mount *mp, struct sockaddr *nam,
nmp->nm_soproto = argp->proto;
nmp->nm_rpcops = &nfs_rpcops;
nfs_decode_args(mp, nmp, argp);
nfs_decode_args(mp, nmp, argp, hst);
/*
* For Connection based sockets (TCP,...) defer the connect until