1 files changed, 23 insertions, 9 deletions

diff --git a/sys/kern/sys_generic.c b/sys/kern/sys_generic.c
index 44d1a89..5eaa695 100644
--- a/sys/kern/sys_generic.c
+++ b/sys/kern/sys_generic.c
@@ -243,9 +243,10 @@ int
 kern_readv(struct thread *td, int fd, struct uio *auio)
 {
 	struct file *fp;
+	cap_rights_t rights;
 	int error;
 
-	error = fget_read(td, fd, CAP_READ, &fp);
+	error = fget_read(td, fd, cap_rights_init(&rights, CAP_READ), &fp);
 	if (error)
 		return (error);
 	error = dofileread(td, fd, fp, auio, (off_t)-1, 0);
@@ -286,9 +287,10 @@ kern_preadv(td, fd, auio, offset)
 	off_t offset;
 {
 	struct file *fp;
+	cap_rights_t rights;
 	int error;
 
-	error = fget_read(td, fd, CAP_PREAD, &fp);
+	error = fget_read(td, fd, cap_rights_init(&rights, CAP_PREAD), &fp);
 	if (error)
 		return (error);
 	if (!(fp->f_ops->fo_flags & DFLAG_SEEKABLE))
@@ -452,9 +454,10 @@ int
 kern_writev(struct thread *td, int fd, struct uio *auio)
 {
 	struct file *fp;
+	cap_rights_t rights;
 	int error;
 
-	error = fget_write(td, fd, CAP_WRITE, &fp);
+	error = fget_write(td, fd, cap_rights_init(&rights, CAP_WRITE), &fp);
 	if (error)
 		return (error);
 	error = dofilewrite(td, fd, fp, auio, (off_t)-1, 0);
@@ -495,9 +498,10 @@ kern_pwritev(td, fd, auio, offset)
 	off_t offset;
 {
 	struct file *fp;
+	cap_rights_t rights;
 	int error;
 
-	error = fget_write(td, fd, CAP_PWRITE, &fp);
+	error = fget_write(td, fd, cap_rights_init(&rights, CAP_PWRITE), &fp);
 	if (error)
 		return (error);
 	if (!(fp->f_ops->fo_flags & DFLAG_SEEKABLE))
@@ -575,12 +579,13 @@ kern_ftruncate(td, fd, length)
 	off_t length;
 {
 	struct file *fp;
+	cap_rights_t rights;
 	int error;
 
 	AUDIT_ARG_FD(fd);
 	if (length < 0)
 		return (EINVAL);
-	error = fget(td, fd, CAP_FTRUNCATE, &fp);
+	error = fget(td, fd, cap_rights_init(&rights, CAP_FTRUNCATE), &fp);
 	if (error)
 		return (error);
 	AUDIT_ARG_FILE(td->td_proc, fp);
@@ -705,6 +710,9 @@ kern_ioctl(struct thread *td, int fd, u_long com, caddr_t data)
 {
 	struct file *fp;
 	struct filedesc *fdp;
+#ifndef CAPABILITIES
+	cap_rights_t rights;
+#endif
 	int error, tmp, locked;
 
 	AUDIT_ARG_FD(fd);
@@ -743,7 +751,8 @@ kern_ioctl(struct thread *td, int fd, u_long com, caddr_t data)
 		locked = LA_UNLOCKED;
 	}
 #else
-	if ((error = fget(td, fd, CAP_IOCTL, &fp)) != 0) {
+	error = fget(td, fd, cap_rights_init(&rights, CAP_IOCTL), &fp);
+	if (error != 0) {
 		fp = NULL;
 		goto out;
 	}
@@ -1180,8 +1189,10 @@ selsetbits(fd_mask **ibits, fd_mask **obits, int idx, fd_mask bit, int events)
 static __inline int
 getselfd_cap(struct filedesc *fdp, int fd, struct file **fpp)
 {
+	cap_rights_t rights;
 
-	return (fget_unlocked(fdp, fd, CAP_POLL_EVENT, 0, fpp, NULL));
+	return (fget_unlocked(fdp, fd, cap_rights_init(&rights, CAP_POLL_EVENT),
+	    0, fpp, NULL));
 }
 
 /*
@@ -1357,6 +1368,7 @@ pollrescan(struct thread *td)
 	struct filedesc *fdp;
 	struct file *fp;
 	struct pollfd *fd;
+	cap_rights_t rights;
 	int n;
 
 	n = 0;
@@ -1373,7 +1385,8 @@ pollrescan(struct thread *td)
 		fp = fdp->fd_ofiles[fd->fd].fde_file;
 #ifdef CAPABILITIES
 		if (fp == NULL ||
-		    cap_check(cap_rights(fdp, fd->fd), CAP_POLL_EVENT) != 0)
+		    cap_check(cap_rights(fdp, fd->fd),
+		    cap_rights_init(&rights, CAP_POLL_EVENT)) != 0)
 #else
 		if (fp == NULL)
 #endif
@@ -1431,6 +1444,7 @@ pollscan(td, fds, nfd)
 {
 	struct filedesc *fdp = td->td_proc->p_fd;
 	struct file *fp;
+	cap_rights_t rights;
 	int i, n = 0;
 
 	FILEDESC_SLOCK(fdp);
@@ -1445,7 +1459,7 @@ pollscan(td, fds, nfd)
 #ifdef CAPABILITIES
 			if (fp == NULL ||
 			    cap_check(cap_rights(fdp, fds->fd),
-			    CAP_POLL_EVENT) != 0)
+			    cap_rights_init(&rights, CAP_POLL_EVENT)) != 0)
 #else
 			if (fp == NULL)
 #endif