C++ (Cpp) np_create_rattachの例

コード例 #1

ファイル: tnpsrv.c プロジェクト: carriercomm/diod

static Npfcall *
myattach (Npfid *fid, Npfid *afid, Npstr *aname)
{
    Npqid qid = { 1, 2, 3};
    Npfcall *ret = NULL;

    if (!(ret = np_create_rattach(&qid))) {
        np_uerror (ENOMEM);
        return NULL;
    }
    np_fid_incref (fid);
    return ret;
}

コード例 #2

ファイル: ops.c プロジェクト: alepharchives/diod

/* Tattach - attach a new user (fid->user) to aname.
 *   diod_auth.c::diod_checkauth first authenticates/authorizes user
 */
Npfcall*
diod_attach (Npfid *fid, Npfid *afid, Npstr *aname)
{
    Npfcall* ret = NULL;
    Fid *f = NULL;
    Npqid qid;
    struct stat sb;
    int xflags;

    if (aname->len == 0 || *aname->str != '/') {
        np_uerror (EPERM);
        goto error;
    }
    if (!(f = diod_fidalloc (fid, aname))) {
        np_uerror (ENOMEM);
        goto error;
    }
    if (diod_conf_opt_runasuid ()) {
        if (fid->user->uid != diod_conf_get_runasuid ()) {
            np_uerror (EPERM);
            goto error;
        }
    }
    if (!diod_match_exports (path_s (f->path), fid->conn, fid->user, &xflags))
        goto error;
    if ((xflags & XFLAGS_RO))
        f->flags |= DIOD_FID_FLAGS_ROFS;
    if ((xflags & XFLAGS_SHAREFD))
        f->flags |= DIOD_FID_FLAGS_SHAREFD;
    if (stat (path_s (f->path), &sb) < 0) { /* OK to follow symbolic links */
        np_uerror (errno);
        goto error;
    }
    /* N.B. removed S_ISDIR (sb.st_mode) || return ENOTDIR check.
     * Allow a regular file or a blcok device to be exported.
     */
    diod_ustat2qid (&sb, &qid);
    if ((ret = np_create_rattach (&qid)) == NULL) {
        np_uerror (ENOMEM);
        goto error;
    }
    return ret;
error:
    errn (np_rerror (), "diod_attach %s@%s:%.*s", fid->user->uname,
          np_conn_get_client_id (fid->conn), aname->len, aname->str);
    diod_fiddestroy (fid);
    return NULL;
}

コード例 #3

ファイル: ops.c プロジェクト: eugmes/diod

/* Tattach - attach a new user (fid->user) to aname.
 *   diod_auth.c::diod_checkauth first authenticates/authorizes user
 */
Npfcall*
diod_attach (Npfid *fid, Npfid *afid, Npstr *aname)
{
    Npfcall* ret = NULL;
    Fid *f = NULL;
    Npqid qid;
    struct stat sb;

    if (aname->len == 0 || *aname->str != '/') {
        np_uerror (EPERM);
        goto error;
    }
    if (!(f = _fidalloc ()) || !(f->path = np_strdup (aname))) {
        np_uerror (ENOMEM);
        goto error;
    }
    if (diod_conf_opt_runasuid ()) {
        if (fid->user->uid != diod_conf_get_runasuid ()) {
            np_uerror (EPERM);
            goto error;
        }
    }
    if (!diod_match_exports (f->path, fid->conn, fid->user, &f->xflags))
        goto error;
    if (stat (f->path, &sb) < 0) { /* OK to follow symbolic links */
        np_uerror (errno);
        goto error;
    }
    if (!S_ISDIR (sb.st_mode)) {
        np_uerror (ENOTDIR);
        goto error;
    }
    _ustat2qid (&sb, &qid);
    if ((ret = np_create_rattach (&qid)) == NULL) {
        np_uerror (ENOMEM);
        goto error;
    }
    fid->aux = f;
    np_fid_incref (fid);
    return ret;
error:
    errn (np_rerror (), "diod_attach %s@%s:%.*s", fid->user->uname,
          np_conn_get_client_id (fid->conn), aname->len, aname->str);
    if (f)
        _fidfree (f);
    return NULL;
}

コード例 #4

ファイル: tserialize.c プロジェクト: eugmes/diod

static void
test_rattach (void)
{
    Npfcall *fc, *fc2;
    struct p9_qid qid = { 1, 2, 3 };

    if (!(fc = np_create_rattach (&qid)))
        msg_exit ("out of memory in %s", __FUNCTION__); 
    fc2 = _rcv_buf (fc, P9_RATTACH, __FUNCTION__);

    assert (fc->u.rattach.qid.type == fc2->u.rattach.qid.type);
    assert (fc->u.rattach.qid.version == fc2->u.rattach.qid.version);
    assert (fc->u.rattach.qid.path == fc2->u.rattach.qid.path);

    free (fc);
    free (fc2);
}