shithub: gefs

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fs: check search permission when walking

--- a/fs.c

+++ b/fs.c

@@ -871,6 +871,11 @@

 	dmode = d.mode;

 	r.type = Rwalk;

 	for(i = 0; i < m->nwname; i++){

+		if(fsaccess(o, d.mode, d.uid, d.gid, DMEXEC) != 0){

+			rerror(m, Eperm);

+			putfid(o);

+			return;

+		}

 		name = m->wname[i];

 		if(strcmp(m->wname[i], "..") == 0){

 			if((e = findparent(o, &prev, &name, kbuf, sizeof(kbuf))) != nil){