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-rw-r--r--sys/kern/exec_script.c4
-rw-r--r--sys/kern/kern_descrip.c14
-rw-r--r--sys/kern/kern_event.c4
-rw-r--r--sys/kern/kern_exec.c4
-rw-r--r--sys/kern/sys_pipe.c15
-rw-r--r--sys/kern/tty_pty.c6
-rw-r--r--sys/kern/uipc_syscalls.c31
-rw-r--r--sys/kern/vfs_syscalls.c13
8 files changed, 40 insertions, 51 deletions
diff --git a/sys/kern/exec_script.c b/sys/kern/exec_script.c
index 27faacfcc5f..0b9ae86e224 100644
--- a/sys/kern/exec_script.c
+++ b/sys/kern/exec_script.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: exec_script.c,v 1.39 2016/04/25 20:00:33 tedu Exp $ */
+/* $OpenBSD: exec_script.c,v 1.40 2017/02/11 19:51:06 guenther Exp $ */
/* $NetBSD: exec_script.c,v 1.13 1996/02/04 02:15:06 christos Exp $ */
/*
@@ -169,7 +169,7 @@ check_shell:
#endif
fdplock(p->p_fd);
- error = falloc(p, &fp, &epp->ep_fd);
+ error = falloc(p, 0, &fp, &epp->ep_fd);
fdpunlock(p->p_fd);
if (error)
goto fail;
diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c
index 8e549968e98..827fc9502f6 100644
--- a/sys/kern/kern_descrip.c
+++ b/sys/kern/kern_descrip.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: kern_descrip.c,v 1.139 2017/01/24 04:09:59 deraadt Exp $ */
+/* $OpenBSD: kern_descrip.c,v 1.140 2017/02/11 19:51:06 guenther Exp $ */
/* $NetBSD: kern_descrip.c,v 1.42 1996/03/30 22:24:38 christos Exp $ */
/*
@@ -895,11 +895,14 @@ fdexpand(struct proc *p)
* a file descriptor for the process that refers to it.
*/
int
-falloc(struct proc *p, struct file **resultfp, int *resultfd)
+falloc(struct proc *p, int flags, struct file **resultfp, int *resultfd)
{
struct file *fp, *fq;
int error, i;
+ KASSERT(resultfp != NULL);
+ KASSERT(resultfd != NULL);
+
fdpassertlocked(p->p_fd);
restart:
if ((error = fdalloc(p, 0, &i)) != 0) {
@@ -929,13 +932,12 @@ restart:
LIST_INSERT_HEAD(&filehead, fp, f_list);
}
p->p_fd->fd_ofiles[i] = fp;
+ p->p_fd->fd_ofileflags[i] |= (flags & UF_EXCLOSE);
fp->f_count = 1;
fp->f_cred = p->p_ucred;
crhold(fp->f_cred);
- if (resultfp)
- *resultfp = fp;
- if (resultfd)
- *resultfd = i;
+ *resultfp = fp;
+ *resultfd = i;
FREF(fp);
return (0);
}
diff --git a/sys/kern/kern_event.c b/sys/kern/kern_event.c
index c694521c411..561b9b256ea 100644
--- a/sys/kern/kern_event.c
+++ b/sys/kern/kern_event.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: kern_event.c,v 1.77 2016/09/24 18:39:17 tedu Exp $ */
+/* $OpenBSD: kern_event.c,v 1.78 2017/02/11 19:51:06 guenther Exp $ */
/*-
* Copyright (c) 1999,2000,2001 Jonathan Lemon <jlemon@FreeBSD.org>
@@ -440,7 +440,7 @@ sys_kqueue(struct proc *p, void *v, register_t *retval)
int fd, error;
fdplock(fdp);
- error = falloc(p, &fp, &fd);
+ error = falloc(p, 0, &fp, &fd);
fdpunlock(fdp);
if (error)
return (error);
diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c
index b69df723edf..6d12ae1931c 100644
--- a/sys/kern/kern_exec.c
+++ b/sys/kern/kern_exec.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: kern_exec.c,v 1.186 2017/02/08 20:58:30 guenther Exp $ */
+/* $OpenBSD: kern_exec.c,v 1.187 2017/02/11 19:51:06 guenther Exp $ */
/* $NetBSD: kern_exec.c,v 1.75 1996/02/09 18:59:28 christos Exp $ */
/*-
@@ -576,7 +576,7 @@ sys_execve(struct proc *p, void *v, register_t *retval)
struct vnode *vp;
int indx;
- if ((error = falloc(p, &fp, &indx)) != 0)
+ if ((error = falloc(p, 0, &fp, &indx)) != 0)
break;
#ifdef DIAGNOSTIC
if (indx != i)
diff --git a/sys/kern/sys_pipe.c b/sys/kern/sys_pipe.c
index e869b61cd8b..57c45d74335 100644
--- a/sys/kern/sys_pipe.c
+++ b/sys/kern/sys_pipe.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sys_pipe.c,v 1.75 2016/10/08 02:16:43 guenther Exp $ */
+/* $OpenBSD: sys_pipe.c,v 1.76 2017/02/11 19:51:06 guenther Exp $ */
/*
* Copyright (c) 1996 John S. Dyson
@@ -133,7 +133,9 @@ dopipe(struct proc *p, int *ufds, int flags)
struct filedesc *fdp = p->p_fd;
struct file *rf, *wf;
struct pipe *rpipe, *wpipe = NULL;
- int fds[2], error;
+ int fds[2], cloexec, error;
+
+ cloexec = (flags & O_CLOEXEC) ? UF_EXCLOSE : 0;
rpipe = pool_get(&pipe_pool, PR_WAITOK);
error = pipe_create(rpipe);
@@ -146,7 +148,7 @@ dopipe(struct proc *p, int *ufds, int flags)
fdplock(fdp);
- error = falloc(p, &rf, &fds[0]);
+ error = falloc(p, cloexec, &rf, &fds[0]);
if (error != 0)
goto free2;
rf->f_flag = FREAD | FWRITE | (flags & FNONBLOCK);
@@ -154,7 +156,7 @@ dopipe(struct proc *p, int *ufds, int flags)
rf->f_data = rpipe;
rf->f_ops = &pipeops;
- error = falloc(p, &wf, &fds[1]);
+ error = falloc(p, cloexec, &wf, &fds[1]);
if (error != 0)
goto free3;
wf->f_flag = FREAD | FWRITE | (flags & FNONBLOCK);
@@ -162,11 +164,6 @@ dopipe(struct proc *p, int *ufds, int flags)
wf->f_data = wpipe;
wf->f_ops = &pipeops;
- if (flags & O_CLOEXEC) {
- fdp->fd_ofileflags[fds[0]] |= UF_EXCLOSE;
- fdp->fd_ofileflags[fds[1]] |= UF_EXCLOSE;
- }
-
rpipe->pipe_peer = wpipe;
wpipe->pipe_peer = rpipe;
diff --git a/sys/kern/tty_pty.c b/sys/kern/tty_pty.c
index 1f1f43880ee..4d79348e7a3 100644
--- a/sys/kern/tty_pty.c
+++ b/sys/kern/tty_pty.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tty_pty.c,v 1.78 2016/05/24 16:09:07 deraadt Exp $ */
+/* $OpenBSD: tty_pty.c,v 1.79 2017/02/11 19:51:06 guenther Exp $ */
/* $NetBSD: tty_pty.c,v 1.33.4.1 1996/06/02 09:08:11 mrg Exp $ */
/*
@@ -1055,11 +1055,11 @@ ptmioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
case PTMGET:
fdplock(fdp);
/* Grab two filedescriptors. */
- if ((error = falloc(p, &cfp, &cindx)) != 0) {
+ if ((error = falloc(p, 0, &cfp, &cindx)) != 0) {
fdpunlock(fdp);
break;
}
- if ((error = falloc(p, &sfp, &sindx)) != 0) {
+ if ((error = falloc(p, 0, &sfp, &sindx)) != 0) {
fdremove(fdp, cindx);
closef(cfp, p);
fdpunlock(fdp);
diff --git a/sys/kern/uipc_syscalls.c b/sys/kern/uipc_syscalls.c
index 7a8841c4988..40433a86527 100644
--- a/sys/kern/uipc_syscalls.c
+++ b/sys/kern/uipc_syscalls.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: uipc_syscalls.c,v 1.148 2017/01/26 01:58:00 dhill Exp $ */
+/* $OpenBSD: uipc_syscalls.c,v 1.149 2017/02/11 19:51:06 guenther Exp $ */
/* $NetBSD: uipc_syscalls.c,v 1.19 1996/02/09 19:00:48 christos Exp $ */
/*
@@ -94,9 +94,7 @@ sys_socket(struct proc *p, void *v, register_t *retval)
return (error);
fdplock(fdp);
- error = falloc(p, &fp, &fd);
- if (error == 0 && (type & SOCK_CLOEXEC))
- fdp->fd_ofileflags[fd] |= UF_EXCLOSE;
+ error = falloc(p, (type & SOCK_CLOEXEC) ? UF_EXCLOSE : 0, &fp, &fd);
fdpunlock(fdp);
if (error != 0)
goto out;
@@ -279,9 +277,7 @@ doaccept(struct proc *p, int sock, struct sockaddr *name, socklen_t *anamelen,
headfp = fp;
fdplock(fdp);
- error = falloc(p, &fp, &tmpfd);
- if (!error && (flags & SOCK_CLOEXEC))
- fdp->fd_ofileflags[tmpfd] |= UF_EXCLOSE;
+ error = falloc(p, (flags & SOCK_CLOEXEC) ? UF_EXCLOSE : 0, &fp, &tmpfd);
fdpunlock(fdp);
if (error) {
FRELE(headfp, p);
@@ -447,11 +443,12 @@ sys_socketpair(struct proc *p, void *v, register_t *retval)
struct filedesc *fdp = p->p_fd;
struct file *fp1, *fp2;
struct socket *so1, *so2;
- int type, flags, fflag, error, sv[2];
+ int type, cloexec, nonblock, fflag, error, sv[2];
type = SCARG(uap, type) & ~(SOCK_CLOEXEC | SOCK_NONBLOCK);
- flags = SCARG(uap, type) & (SOCK_CLOEXEC | SOCK_NONBLOCK);
- fflag = FREAD | FWRITE | (flags & SOCK_NONBLOCK ? FNONBLOCK : 0);
+ cloexec = (SCARG(uap, type) & SOCK_CLOEXEC) ? UF_EXCLOSE : 0;
+ nonblock = SCARG(uap, type) & SOCK_NONBLOCK;
+ fflag = FREAD | FWRITE | (nonblock ? FNONBLOCK : 0);
error = socreate(SCARG(uap, domain), &so1, type, SCARG(uap, protocol));
if (error)
@@ -471,32 +468,28 @@ sys_socketpair(struct proc *p, void *v, register_t *retval)
goto free2;
}
fdplock(fdp);
- if ((error = falloc(p, &fp1, &sv[0])) != 0)
+ if ((error = falloc(p, cloexec, &fp1, &sv[0])) != 0)
goto free3;
fp1->f_flag = fflag;
fp1->f_type = DTYPE_SOCKET;
fp1->f_ops = &socketops;
fp1->f_data = so1;
- if ((error = falloc(p, &fp2, &sv[1])) != 0)
+ if ((error = falloc(p, cloexec, &fp2, &sv[1])) != 0)
goto free4;
fp2->f_flag = fflag;
fp2->f_type = DTYPE_SOCKET;
fp2->f_ops = &socketops;
fp2->f_data = so2;
- if (flags & SOCK_CLOEXEC) {
- fdp->fd_ofileflags[sv[0]] |= UF_EXCLOSE;
- fdp->fd_ofileflags[sv[1]] |= UF_EXCLOSE;
- }
error = copyout(sv, SCARG(uap, rsv), 2 * sizeof (int));
if (error == 0) {
#ifdef KTRACE
if (KTRPOINT(p, KTR_STRUCT))
ktrfds(p, sv, 2);
#endif
- if (flags & SOCK_NONBLOCK) {
- (*fp1->f_ops->fo_ioctl)(fp1, FIONBIO, (caddr_t)&flags,
+ if (nonblock) {
+ (*fp1->f_ops->fo_ioctl)(fp1, FIONBIO, (caddr_t)&type,
p);
- (*fp2->f_ops->fo_ioctl)(fp2, FIONBIO, (caddr_t)&flags,
+ (*fp2->f_ops->fo_ioctl)(fp2, FIONBIO, (caddr_t)&type,
p);
}
FILE_SET_MATURE(fp1, p);
diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c
index 585485281cb..f2e1604c98a 100644
--- a/sys/kern/vfs_syscalls.c
+++ b/sys/kern/vfs_syscalls.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: vfs_syscalls.c,v 1.269 2017/01/23 22:34:10 deraadt Exp $ */
+/* $OpenBSD: vfs_syscalls.c,v 1.270 2017/02/11 19:51:06 guenther Exp $ */
/* $NetBSD: vfs_syscalls.c,v 1.71 1996/04/23 10:29:02 mycroft Exp $ */
/*
@@ -802,7 +802,8 @@ doopenat(struct proc *p, int fd, const char *path, int oflags, mode_t mode,
fdplock(fdp);
- if ((error = falloc(p, &fp, &indx)) != 0)
+ if ((error = falloc(p, (oflags & O_CLOEXEC) ? UF_EXCLOSE : 0, &fp,
+ &indx)) != 0)
goto out;
flags = FFLAGS(oflags);
if (flags & FREAD)
@@ -812,9 +813,6 @@ doopenat(struct proc *p, int fd, const char *path, int oflags, mode_t mode,
if (oflags & O_CREAT)
ni_pledge |= PLEDGE_CPATH;
- if (flags & O_CLOEXEC)
- fdp->fd_ofileflags[indx] |= UF_EXCLOSE;
-
cmode = ((mode &~ fdp->fd_cmask) & ALLPERMS) &~ S_ISTXT;
if ((p->p_p->ps_flags & PS_PLEDGE))
cmode &= ACCESSPERMS;
@@ -970,12 +968,11 @@ sys_fhopen(struct proc *p, void *v, register_t *retval)
return (EINVAL);
fdplock(fdp);
- if ((error = falloc(p, &fp, &indx)) != 0) {
+ if ((error = falloc(p, (flags & O_CLOEXEC) ? UF_EXCLOSE : 0, &fp,
+ &indx)) != 0) {
fp = NULL;
goto bad;
}
- if (flags & O_CLOEXEC)
- fdp->fd_ofileflags[indx] |= UF_EXCLOSE;
if ((error = copyin(SCARG(uap, fhp), &fh, sizeof(fhandle_t))) != 0)
goto bad;