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virtio-9p: Security model for mkdir

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Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Venkateswararao Jujjuri (JV) 2010-06-14 13:34:46 -07:00 • committed by Anthony Liguori
parent 4750a96f6b
commit 00ec5c3760
3 changed files with 43 additions and 6 deletions
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12
hw/virtio-9p.c
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@ -170,9 +170,15 @@ static int v9fs_do_mksock(V9fsState *s, V9fsString *path)
return s->ops->mksock(&s->ctx, path->data);
}
static int v9fs_do_mkdir(V9fsState *s, V9fsString *path, mode_t mode)
static int v9fs_do_mkdir(V9fsState *s, V9fsCreateState *vs)
{
return s->ops->mkdir(&s->ctx, path->data, mode);
FsCred cred;
cred_init(&cred);
cred.fc_uid = vs->fidp->uid;
cred.fc_mode = vs->perm & 0777;
return s->ops->mkdir(&s->ctx, vs->fullname.data, &cred);
}
static int v9fs_do_fstat(V9fsState *s, int fd, struct stat *stbuf)
@ -1776,7 +1782,7 @@ static void v9fs_create_post_lstat(V9fsState *s, V9fsCreateState *vs, int err)
}
if (vs->perm & P9_STAT_MODE_DIR) {
err = v9fs_do_mkdir(s, &vs->fullname, vs->perm & 0777);
err = v9fs_do_mkdir(s, vs);
v9fs_create_post_mkdir(s, vs, err);
} else if (vs->perm & P9_STAT_MODE_SYMLINK) {
err = v9fs_do_symlink(s, &vs->extension, &vs->fullname);