ref: 8791baf8b3a34e8bace2f6242153fbdf2812765c
parent: e614ab1d7f82b17b9a921280792ecbfb3a8d67d3
author: cinap_lenrek <[email protected]>
date: Tue May 8 19:53:46 EDT 2012
rio: dont list files we dont serve when reading directory
--- a/sys/src/cmd/rio/dat.h
+++ b/sys/src/cmd/rio/dat.h
@@ -322,6 +322,7 @@
Window *wkeyboard; /* window of simulated keyboard */
int nwindow;
int snarffd;
+int gotscreen;
Window *input;
QLock all; /* BUG */
Filsys *filsys;
--- a/sys/src/cmd/rio/fsys.c
+++ b/sys/src/cmd/rio/fsys.c
@@ -346,6 +346,18 @@
}
static
+int
+skipdir(char *name)
+{
+ /* don't serve these if it's provided in the environment */
+ if(snarffd>=0 && strcmp(name, "snarf")==0)
+ return 1;
+ if(gotscreen && strcmp(name, "screen")==0)
+ return 1;
+ return 0;
+}
+
+static
Xfid*
filsyswalk(Filsys *fs, Xfid *x, Fid *f)
{
@@ -430,13 +442,8 @@
dir = dirtab;
goto Accept;
}
-
- /* don't serve these if it's provided in the environment */
- if(snarffd>=0 && strcmp(x->wname[i], "snarf")==0)
- break;
- if(strcmp(x->wname[i], "screen")==0 && access("/dev/screen", AEXIST)==0)
+ if(skipdir(x->wname[i]))
break;
-
id = WIN(f->qid);
d = dirtab;
d++; /* skip '.' */
@@ -548,13 +555,15 @@
case Qwsysdir:
d = dirtab;
d++; /* first entry is '.' */
- for(i=0; d->name!=nil && i<e; i+=len){
+ for(i=0; d->name!=nil && i<e; d++){
+ if(skipdir(d->name))
+ continue;
len = dostat(fs, WIN(x->f->qid), d, b+n, x->count-n, clock);
if(len <= BIT16SZ)
break;
if(i >= o)
n += len;
- d++;
+ i += len;
}
break;
case Qwsys:
--- a/sys/src/cmd/rio/rio.c
+++ b/sys/src/cmd/rio/rio.c
@@ -184,6 +184,7 @@
}
snarffd = open("/dev/snarf", OREAD|OCEXEC);
+ gotscreen = access("/dev/screen", AEXIST)==0;
if(geninitdraw(nil, derror, nil, "rio", nil, Refnone) < 0){
fprint(2, "rio: can't open display: %r\n");