KNF
authorderaadt <deraadt@openbsd.org>
Mon, 30 Jul 2018 00:34:57 +0000 (00:34 +0000)
committerderaadt <deraadt@openbsd.org>
Mon, 30 Jul 2018 00:34:57 +0000 (00:34 +0000)
sys/kern/kern_unveil.c

index 0c87290..185ab03 100644 (file)
@@ -1,4 +1,4 @@
-/*     $OpenBSD: kern_unveil.c,v 1.7 2018/07/29 23:53:04 beck Exp $    */
+/*     $OpenBSD: kern_unveil.c,v 1.8 2018/07/30 00:34:57 deraadt Exp $ */
 
 /*
  * Copyright (c) 2017-2018 Bob Beck <beck@openbsd.org>
@@ -61,9 +61,11 @@ unvname_new(const char *name, size_t size, uint64_t flags)
 }
 
 void
-unveil_free_traversed_vnodes(struct nameidata *ndp) {
+unveil_free_traversed_vnodes(struct nameidata *ndp)
+{
        if (ndp->ni_tvpsize) {
                size_t i;
+
                for (i = 0; i < ndp->ni_tvpend; i++)
                        vrele(ndp->ni_tvp[i]); /* ref for being in list */
                free(ndp->ni_tvp, M_PROC, ndp->ni_tvpsize * sizeof(struct vnode *));
@@ -73,7 +75,8 @@ unveil_free_traversed_vnodes(struct nameidata *ndp) {
 }
 
 void
-unveil_save_traversed_vnode(struct nameidata *ndp, struct vnode *vp) {
+unveil_save_traversed_vnode(struct nameidata *ndp, struct vnode *vp)
+{
        if (ndp->ni_tvpsize == 0) {
                ndp->ni_tvp = mallocarray(MAXPATHLEN, sizeof(struct vnode *),
                    M_PROC, M_WAITOK);
@@ -249,6 +252,7 @@ unveil_lookup(struct vnode *vp, struct proc *p)
         */
        if (pr->ps_uvshrink) {
                size_t i = 0, j;
+
                while (i < pr->ps_uvvcount) {
                        if (uv[i].uv_vp == NULL)  {
                                pr->ps_uvncount -= unveil_delete_names(&uv[i]);
@@ -278,11 +282,9 @@ unveil_lookup(struct vnode *vp, struct proc *p)
                if (pr->ps_uvpcwd) {
                        printf("unveil: %s(%d): did not nuke cwd because %p != %p\n",
                            p->p_p->ps_comm, p->p_p->ps_pid, vp, pr->ps_uvpcwd->uv_vp);
-               }
-               else
+               } else
                        printf("unveil: %s(%d): cwd is null\n",
                            p->p_p->ps_comm, p->p_p->ps_pid);
-
        }
 #endif
 
@@ -381,6 +383,7 @@ unveil_add_traversed_vnodes(struct proc *p, struct nameidata *ndp)
         */
        if (ndp->ni_tvpsize) {
                size_t i;
+
                for (i = 0; i < ndp->ni_tvpend; i++) {
                        struct vnode *vp = ndp->ni_tvp[i];
                        if (unveil_lookup(vp, p) == NULL) {
@@ -422,9 +425,9 @@ unveil_add(struct proc *p, struct nameidata *ndp, const char *cflags)
        directory_add = ndp->ni_vp != NULL && ndp->ni_vp->v_type == VDIR;
 
        if (directory_add)
-               vp=ndp->ni_vp;
+               vp = ndp->ni_vp;
        else
-               vp=ndp->ni_dvp;
+               vp = ndp->ni_dvp;
 
        KASSERT(vp->v_type == VDIR);
        vref(vp);
@@ -477,7 +480,7 @@ unveil_add(struct proc *p, struct nameidata *ndp, const char *cflags)
                        }
                }
 
-       } else  {
+       } else {
                /*
                 * New unveil involving this directory vnode.
                 */
@@ -588,7 +591,7 @@ unveil_flagmatch(struct nameidata *ni, uint64_t flags)
  * unveil checking - for component directories in a namei lookup.
  */
 void
-unveil_check_component(struct proc *p, struct nameidata *ni, struct vnode *dp )
+unveil_check_component(struct proc *p, struct nameidata *ni, struct vnode *dp)
 {
        struct unveil *uv = NULL;
 
@@ -609,8 +612,7 @@ unveil_check_component(struct proc *p, struct nameidata *ni, struct vnode *dp )
                                }
                        }
                }
-       }
-       else
+       } else
                unveil_save_traversed_vnode(ni, dp);
 }
 
@@ -691,8 +693,7 @@ done:
                    ni->ni_unveil_match->uv_vp);
 #endif
                return (0);
-       }
-       else if (p->p_p->ps_uvpcwd) {
+       } else if (p->p_p->ps_uvpcwd) {
                ni->ni_unveil_match = p->p_p->ps_uvpcwd;
 #ifdef DEBUG_UNVEIL
                printf("unveil: %s(%d): used cwd unveil vnode from vnode %p\n",
@@ -725,6 +726,7 @@ unveil_removevnode(struct vnode *vp)
 #endif
        LIST_FOREACH(pr, &allprocess, ps_list) {
                struct unveil * uv;
+
                if ((uv = unveil_lookup(vp, pr->ps_mainproc)) != NULL) {
                        uv->uv_vp = NULL;
                        uv->uv_flags = 0;