mirror of
https://github.com/torvalds/linux.git
synced 2024-12-15 15:41:58 +00:00
42e8c509cf
Update license boilerplate to specify GPLv2 and remove the (at your option clause). This change was agreed to by all the copyright holders (approvals can be found on v9fs-developer mailing list). Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
347 lines
8.9 KiB
C
347 lines
8.9 KiB
C
/*
|
|
* linux/fs/9p/fcprint.c
|
|
*
|
|
* Print 9P call.
|
|
*
|
|
* Copyright (C) 2005 by Latchesar Ionkov <lucho@ionkov.net>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to:
|
|
* Free Software Foundation
|
|
* 51 Franklin Street, Fifth Floor
|
|
* Boston, MA 02111-1301 USA
|
|
*
|
|
*/
|
|
#include <linux/config.h>
|
|
#include <linux/module.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/fs.h>
|
|
#include <linux/idr.h>
|
|
|
|
#include "debug.h"
|
|
#include "v9fs.h"
|
|
#include "9p.h"
|
|
#include "mux.h"
|
|
|
|
static int
|
|
v9fs_printqid(char *buf, int buflen, struct v9fs_qid *q)
|
|
{
|
|
int n;
|
|
char b[10];
|
|
|
|
n = 0;
|
|
if (q->type & V9FS_QTDIR)
|
|
b[n++] = 'd';
|
|
if (q->type & V9FS_QTAPPEND)
|
|
b[n++] = 'a';
|
|
if (q->type & V9FS_QTAUTH)
|
|
b[n++] = 'A';
|
|
if (q->type & V9FS_QTEXCL)
|
|
b[n++] = 'l';
|
|
if (q->type & V9FS_QTTMP)
|
|
b[n++] = 't';
|
|
if (q->type & V9FS_QTSYMLINK)
|
|
b[n++] = 'L';
|
|
b[n] = '\0';
|
|
|
|
return scnprintf(buf, buflen, "(%.16llx %x %s)", (long long int) q->path,
|
|
q->version, b);
|
|
}
|
|
|
|
static int
|
|
v9fs_printperm(char *buf, int buflen, int perm)
|
|
{
|
|
int n;
|
|
char b[15];
|
|
|
|
n = 0;
|
|
if (perm & V9FS_DMDIR)
|
|
b[n++] = 'd';
|
|
if (perm & V9FS_DMAPPEND)
|
|
b[n++] = 'a';
|
|
if (perm & V9FS_DMAUTH)
|
|
b[n++] = 'A';
|
|
if (perm & V9FS_DMEXCL)
|
|
b[n++] = 'l';
|
|
if (perm & V9FS_DMTMP)
|
|
b[n++] = 't';
|
|
if (perm & V9FS_DMDEVICE)
|
|
b[n++] = 'D';
|
|
if (perm & V9FS_DMSOCKET)
|
|
b[n++] = 'S';
|
|
if (perm & V9FS_DMNAMEDPIPE)
|
|
b[n++] = 'P';
|
|
if (perm & V9FS_DMSYMLINK)
|
|
b[n++] = 'L';
|
|
b[n] = '\0';
|
|
|
|
return scnprintf(buf, buflen, "%s%03o", b, perm&077);
|
|
}
|
|
|
|
static int
|
|
v9fs_printstat(char *buf, int buflen, struct v9fs_stat *st, int extended)
|
|
{
|
|
int n;
|
|
|
|
n = scnprintf(buf, buflen, "'%.*s' '%.*s'", st->name.len,
|
|
st->name.str, st->uid.len, st->uid.str);
|
|
if (extended)
|
|
n += scnprintf(buf+n, buflen-n, "(%d)", st->n_uid);
|
|
|
|
n += scnprintf(buf+n, buflen-n, " '%.*s'", st->gid.len, st->gid.str);
|
|
if (extended)
|
|
n += scnprintf(buf+n, buflen-n, "(%d)", st->n_gid);
|
|
|
|
n += scnprintf(buf+n, buflen-n, " '%.*s'", st->muid.len, st->muid.str);
|
|
if (extended)
|
|
n += scnprintf(buf+n, buflen-n, "(%d)", st->n_muid);
|
|
|
|
n += scnprintf(buf+n, buflen-n, " q ");
|
|
n += v9fs_printqid(buf+n, buflen-n, &st->qid);
|
|
n += scnprintf(buf+n, buflen-n, " m ");
|
|
n += v9fs_printperm(buf+n, buflen-n, st->mode);
|
|
n += scnprintf(buf+n, buflen-n, " at %d mt %d l %lld",
|
|
st->atime, st->mtime, (long long int) st->length);
|
|
|
|
if (extended)
|
|
n += scnprintf(buf+n, buflen-n, " ext '%.*s'",
|
|
st->extension.len, st->extension.str);
|
|
|
|
return n;
|
|
}
|
|
|
|
static int
|
|
v9fs_dumpdata(char *buf, int buflen, u8 *data, int datalen)
|
|
{
|
|
int i, n;
|
|
|
|
i = n = 0;
|
|
while (i < datalen) {
|
|
n += scnprintf(buf + n, buflen - n, "%02x", data[i]);
|
|
if (i%4 == 3)
|
|
n += scnprintf(buf + n, buflen - n, " ");
|
|
if (i%32 == 31)
|
|
n += scnprintf(buf + n, buflen - n, "\n");
|
|
|
|
i++;
|
|
}
|
|
n += scnprintf(buf + n, buflen - n, "\n");
|
|
|
|
return n;
|
|
}
|
|
|
|
static int
|
|
v9fs_printdata(char *buf, int buflen, u8 *data, int datalen)
|
|
{
|
|
return v9fs_dumpdata(buf, buflen, data, datalen<16?datalen:16);
|
|
}
|
|
|
|
int
|
|
v9fs_printfcall(char *buf, int buflen, struct v9fs_fcall *fc, int extended)
|
|
{
|
|
int i, ret, type, tag;
|
|
|
|
if (!fc)
|
|
return scnprintf(buf, buflen, "<NULL>");
|
|
|
|
type = fc->id;
|
|
tag = fc->tag;
|
|
|
|
ret = 0;
|
|
switch (type) {
|
|
case TVERSION:
|
|
ret += scnprintf(buf+ret, buflen-ret,
|
|
"Tversion tag %u msize %u version '%.*s'", tag,
|
|
fc->params.tversion.msize, fc->params.tversion.version.len,
|
|
fc->params.tversion.version.str);
|
|
break;
|
|
|
|
case RVERSION:
|
|
ret += scnprintf(buf+ret, buflen-ret,
|
|
"Rversion tag %u msize %u version '%.*s'", tag,
|
|
fc->params.rversion.msize, fc->params.rversion.version.len,
|
|
fc->params.rversion.version.str);
|
|
break;
|
|
|
|
case TAUTH:
|
|
ret += scnprintf(buf+ret, buflen-ret,
|
|
"Tauth tag %u afid %d uname '%.*s' aname '%.*s'", tag,
|
|
fc->params.tauth.afid, fc->params.tauth.uname.len,
|
|
fc->params.tauth.uname.str, fc->params.tauth.aname.len,
|
|
fc->params.tauth.aname.str);
|
|
break;
|
|
|
|
case RAUTH:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Rauth tag %u qid ", tag);
|
|
v9fs_printqid(buf+ret, buflen-ret, &fc->params.rauth.qid);
|
|
break;
|
|
|
|
case TATTACH:
|
|
ret += scnprintf(buf+ret, buflen-ret,
|
|
"Tattach tag %u fid %d afid %d uname '%.*s' aname '%.*s'",
|
|
tag, fc->params.tattach.fid, fc->params.tattach.afid,
|
|
fc->params.tattach.uname.len, fc->params.tattach.uname.str,
|
|
fc->params.tattach.aname.len, fc->params.tattach.aname.str);
|
|
break;
|
|
|
|
case RATTACH:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Rattach tag %u qid ", tag);
|
|
v9fs_printqid(buf+ret, buflen-ret, &fc->params.rattach.qid);
|
|
break;
|
|
|
|
case RERROR:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Rerror tag %u ename '%.*s'",
|
|
tag, fc->params.rerror.error.len,
|
|
fc->params.rerror.error.str);
|
|
if (extended)
|
|
ret += scnprintf(buf+ret, buflen-ret, " ecode %d\n",
|
|
fc->params.rerror.errno);
|
|
break;
|
|
|
|
case TFLUSH:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Tflush tag %u oldtag %u",
|
|
tag, fc->params.tflush.oldtag);
|
|
break;
|
|
|
|
case RFLUSH:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Rflush tag %u", tag);
|
|
break;
|
|
|
|
case TWALK:
|
|
ret += scnprintf(buf+ret, buflen-ret,
|
|
"Twalk tag %u fid %d newfid %d nwname %d", tag,
|
|
fc->params.twalk.fid, fc->params.twalk.newfid,
|
|
fc->params.twalk.nwname);
|
|
for(i = 0; i < fc->params.twalk.nwname; i++)
|
|
ret += scnprintf(buf+ret, buflen-ret," '%.*s'",
|
|
fc->params.twalk.wnames[i].len,
|
|
fc->params.twalk.wnames[i].str);
|
|
break;
|
|
|
|
case RWALK:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Rwalk tag %u nwqid %d",
|
|
tag, fc->params.rwalk.nwqid);
|
|
for(i = 0; i < fc->params.rwalk.nwqid; i++)
|
|
ret += v9fs_printqid(buf+ret, buflen-ret,
|
|
&fc->params.rwalk.wqids[i]);
|
|
break;
|
|
|
|
case TOPEN:
|
|
ret += scnprintf(buf+ret, buflen-ret,
|
|
"Topen tag %u fid %d mode %d", tag,
|
|
fc->params.topen.fid, fc->params.topen.mode);
|
|
break;
|
|
|
|
case ROPEN:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Ropen tag %u", tag);
|
|
ret += v9fs_printqid(buf+ret, buflen-ret, &fc->params.ropen.qid);
|
|
ret += scnprintf(buf+ret, buflen-ret," iounit %d",
|
|
fc->params.ropen.iounit);
|
|
break;
|
|
|
|
case TCREATE:
|
|
ret += scnprintf(buf+ret, buflen-ret,
|
|
"Tcreate tag %u fid %d name '%.*s' perm ", tag,
|
|
fc->params.tcreate.fid, fc->params.tcreate.name.len,
|
|
fc->params.tcreate.name.str);
|
|
|
|
ret += v9fs_printperm(buf+ret, buflen-ret, fc->params.tcreate.perm);
|
|
ret += scnprintf(buf+ret, buflen-ret, " mode %d",
|
|
fc->params.tcreate.mode);
|
|
break;
|
|
|
|
case RCREATE:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Rcreate tag %u", tag);
|
|
ret += v9fs_printqid(buf+ret, buflen-ret, &fc->params.rcreate.qid);
|
|
ret += scnprintf(buf+ret, buflen-ret, " iounit %d",
|
|
fc->params.rcreate.iounit);
|
|
break;
|
|
|
|
case TREAD:
|
|
ret += scnprintf(buf+ret, buflen-ret,
|
|
"Tread tag %u fid %d offset %lld count %u", tag,
|
|
fc->params.tread.fid,
|
|
(long long int) fc->params.tread.offset,
|
|
fc->params.tread.count);
|
|
break;
|
|
|
|
case RREAD:
|
|
ret += scnprintf(buf+ret, buflen-ret,
|
|
"Rread tag %u count %u data ", tag,
|
|
fc->params.rread.count);
|
|
ret += v9fs_printdata(buf+ret, buflen-ret, fc->params.rread.data,
|
|
fc->params.rread.count);
|
|
break;
|
|
|
|
case TWRITE:
|
|
ret += scnprintf(buf+ret, buflen-ret,
|
|
"Twrite tag %u fid %d offset %lld count %u data ",
|
|
tag, fc->params.twrite.fid,
|
|
(long long int) fc->params.twrite.offset,
|
|
fc->params.twrite.count);
|
|
ret += v9fs_printdata(buf+ret, buflen-ret, fc->params.twrite.data,
|
|
fc->params.twrite.count);
|
|
break;
|
|
|
|
case RWRITE:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Rwrite tag %u count %u",
|
|
tag, fc->params.rwrite.count);
|
|
break;
|
|
|
|
case TCLUNK:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Tclunk tag %u fid %d",
|
|
tag, fc->params.tclunk.fid);
|
|
break;
|
|
|
|
case RCLUNK:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Rclunk tag %u", tag);
|
|
break;
|
|
|
|
case TREMOVE:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Tremove tag %u fid %d",
|
|
tag, fc->params.tremove.fid);
|
|
break;
|
|
|
|
case RREMOVE:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Rremove tag %u", tag);
|
|
break;
|
|
|
|
case TSTAT:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Tstat tag %u fid %d",
|
|
tag, fc->params.tstat.fid);
|
|
break;
|
|
|
|
case RSTAT:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Rstat tag %u ", tag);
|
|
ret += v9fs_printstat(buf+ret, buflen-ret, &fc->params.rstat.stat,
|
|
extended);
|
|
break;
|
|
|
|
case TWSTAT:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Twstat tag %u fid %d ",
|
|
tag, fc->params.twstat.fid);
|
|
ret += v9fs_printstat(buf+ret, buflen-ret, &fc->params.twstat.stat,
|
|
extended);
|
|
break;
|
|
|
|
case RWSTAT:
|
|
ret += scnprintf(buf+ret, buflen-ret, "Rwstat tag %u", tag);
|
|
break;
|
|
|
|
default:
|
|
ret += scnprintf(buf+ret, buflen-ret, "unknown type %d", type);
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|