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| author | trasz <trasz@FreeBSD.org> | 2010-05-05 16:44:25 +0000 |
|---|---|---|
| committer | trasz <trasz@FreeBSD.org> | 2010-05-05 16:44:25 +0000 |
| commit | 402e3baadee30786a2a2fa508b9b7bec572da072 (patch) | |
| tree | a3e31897fa4432edd5136dad2f999d5ce286bc3c /sys/kern | |
| parent | a3da7d7e6937462db7db7ba830332b719a5a46fa (diff) | |
| download | FreeBSD-src-402e3baadee30786a2a2fa508b9b7bec572da072.zip FreeBSD-src-402e3baadee30786a2a2fa508b9b7bec572da072.tar.gz | |
Move checking against RLIMIT_FSIZE into one place, vn_rlimit_fsize().
Reviewed by: kib
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/vfs_vnops.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c index 838f8f7..edc7ea8 100644 --- a/sys/kern/vfs_vnops.c +++ b/sys/kern/vfs_vnops.c @@ -54,6 +54,7 @@ __FBSDID("$FreeBSD$"); #include <sys/bio.h> #include <sys/buf.h> #include <sys/filio.h> +#include <sys/resourcevar.h> #include <sys/sx.h> #include <sys/ttycom.h> #include <sys/conf.h> @@ -1338,3 +1339,21 @@ vn_vget_ino(struct vnode *vp, ino_t ino, int lkflags, struct vnode **rvp) } return (error); } + +int +vn_rlimit_fsize(const struct vnode *vp, const struct uio *uio, const struct thread *td) +{ + if (vp->v_type != VREG || td == NULL) + return (0); + + PROC_LOCK(td->td_proc); + if (uio->uio_offset + uio->uio_resid > + lim_cur(td->td_proc, RLIMIT_FSIZE)) { + psignal(td->td_proc, SIGXFSZ); + PROC_UNLOCK(td->td_proc); + return (EFBIG); + } + PROC_UNLOCK(td->td_proc); + + return (0); +} |
