return offset;
}
+static bool name_is_illegal(const char *name)
+{
+ return !*name || strchr(name, '/') != NULL;
+}
+
static void v9fs_walk(void *opaque)
{
int name_idx;
if (err < 0) {
goto out_nofid;
}
+ if (name_is_illegal(wnames[i].data)) {
+ err = -ENOENT;
+ goto out_nofid;
+ }
offset += err;
}
} else if (nwnames > P9_MAXWELEM) {
}
trace_v9fs_lcreate(pdu->tag, pdu->id, dfid, flags, mode, gid);
+ if (name_is_illegal(name.data)) {
+ err = -ENOENT;
+ goto out_nofid;
+ }
+
fidp = get_fid(pdu, dfid);
if (fidp == NULL) {
err = -ENOENT;
}
trace_v9fs_create(pdu->tag, pdu->id, fid, name.data, perm, mode);
+ if (name_is_illegal(name.data)) {
+ err = -ENOENT;
+ goto out_nofid;
+ }
+
fidp = get_fid(pdu, fid);
if (fidp == NULL) {
err = -EINVAL;
}
trace_v9fs_symlink(pdu->tag, pdu->id, dfid, name.data, symname.data, gid);
+ if (name_is_illegal(name.data)) {
+ err = -ENOENT;
+ goto out_nofid;
+ }
+
dfidp = get_fid(pdu, dfid);
if (dfidp == NULL) {
err = -EINVAL;
}
trace_v9fs_link(pdu->tag, pdu->id, dfid, oldfid, name.data);
+ if (name_is_illegal(name.data)) {
+ err = -ENOENT;
+ goto out_nofid;
+ }
+
dfidp = get_fid(pdu, dfid);
if (dfidp == NULL) {
err = -ENOENT;
if (err < 0) {
goto out_nofid;
}
+
+ if (name_is_illegal(name.data)) {
+ err = -ENOENT;
+ goto out_nofid;
+ }
+
dfidp = get_fid(pdu, dfid);
if (dfidp == NULL) {
err = -EINVAL;
if (err < 0) {
goto out_nofid;
}
+
+ if (name_is_illegal(name.data)) {
+ err = -ENOENT;
+ goto out_nofid;
+ }
+
fidp = get_fid(pdu, fid);
if (fidp == NULL) {
err = -ENOENT;
goto out_err;
}
+ if (name_is_illegal(old_name.data) || name_is_illegal(new_name.data)) {
+ err = -ENOENT;
+ goto out_err;
+ }
+
v9fs_path_write_lock(s);
err = v9fs_complete_renameat(pdu, olddirfid,
&old_name, newdirfid, &new_name);
}
trace_v9fs_mknod(pdu->tag, pdu->id, fid, mode, major, minor);
+ if (name_is_illegal(name.data)) {
+ err = -ENOENT;
+ goto out_nofid;
+ }
+
fidp = get_fid(pdu, fid);
if (fidp == NULL) {
err = -ENOENT;
}
trace_v9fs_mkdir(pdu->tag, pdu->id, fid, name.data, mode, gid);
+ if (name_is_illegal(name.data)) {
+ err = -ENOENT;
+ goto out_nofid;
+ }
+
fidp = get_fid(pdu, fid);
if (fidp == NULL) {
err = -ENOENT;