diff options
| -rw-r--r-- | sys/nfsserver/nfs_srvsubs.c | 18 | ||||
| -rw-r--r-- | sys/nfsserver/nfsm_subs.h | 3 |
2 files changed, 20 insertions, 1 deletions
diff --git a/sys/nfsserver/nfs_srvsubs.c b/sys/nfsserver/nfs_srvsubs.c index e2238f1..3551b91 100644 --- a/sys/nfsserver/nfs_srvsubs.c +++ b/sys/nfsserver/nfs_srvsubs.c @@ -1360,6 +1360,24 @@ nfsm_srvnamesiz_xx(int *s, int m, struct mbuf **md, caddr_t *dpos) return 0; } +int +nfsm_srvnamesiz0_xx(int *s, int m, struct mbuf **md, caddr_t *dpos) +{ + u_int32_t *tl; + + NFSD_LOCK_DONTCARE(); + + tl = nfsm_dissect_xx_nonblock(NFSX_UNSIGNED, md, dpos); + if (tl == NULL) + return EBADRPC; + *s = fxdr_unsigned(int32_t, *tl); + if (*s > m) + return NFSERR_NAMETOL; + if (*s < 0) + return EBADRPC; + return 0; +} + void nfsm_clget_xx(u_int32_t **tl, struct mbuf *mb, struct mbuf **mp, char **bp, char **be, caddr_t bpos, int droplock) diff --git a/sys/nfsserver/nfsm_subs.h b/sys/nfsserver/nfsm_subs.h index 82e7e25..b605c5d 100644 --- a/sys/nfsserver/nfsm_subs.h +++ b/sys/nfsserver/nfsm_subs.h @@ -74,6 +74,7 @@ int nfsm_srvstrsiz_xx(int *s, int m, struct mbuf **md, caddr_t *dpos); int nfsm_srvnamesiz_xx(int *s, int m, struct mbuf **md, caddr_t *dpos); +int nfsm_srvnamesiz0_xx(int *s, int m, struct mbuf **md, caddr_t *dpos); int nfsm_srvmtofh_xx(fhandle_t *f, struct nfsrv_descript *nfsd, struct mbuf **md, caddr_t *dpos); int nfsm_srvsattr_xx(struct vattr *a, struct mbuf **md, caddr_t *dpos); @@ -101,7 +102,7 @@ do { \ #define nfsm_srvpathsiz(s) \ do { \ int t1; \ - t1 = nfsm_srvnamesiz_xx(&(s), NFS_MAXPATHLEN, &md, &dpos); \ + t1 = nfsm_srvnamesiz0_xx(&(s), NFS_MAXPATHLEN, &md, &dpos); \ if (t1) { \ error = t1; \ nfsm_reply(0); \ |
