/* * Copyright (c) 1997 - 2004 Kungliga Tekniska H�gskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include "krb5_locl.h" #include "store-int.h" RCSID("$Id: store_fd.c,v 1.12 2004/05/25 21:43:57 lha Exp $"); typedef struct fd_storage { int fd; } fd_storage; #define FD(S) (((fd_storage*)(S)->data)->fd) static ssize_t fd_fetch(krb5_storage * sp, void *data, size_t size) { return net_read(FD(sp), data, size); } static ssize_t fd_store(krb5_storage * sp, const void *data, size_t size) { return net_write(FD(sp), data, size); } static off_t fd_seek(krb5_storage * sp, off_t offset, int whence) { return lseek(FD(sp), offset, whence); } static void fd_free(krb5_storage * sp) { close(FD(sp)); } krb5_storage * KRB5_LIB_FUNCTION krb5_storage_from_fd(int fd) { krb5_storage *sp; fd = dup(fd); if (fd < 0) return NULL; sp = malloc(sizeof(krb5_storage)); if (sp == NULL) return NULL; sp->data = malloc(sizeof(fd_storage)); if (sp->data == NULL) { free(sp); return NULL; } sp->flags = 0; sp->eof_code = HEIM_ERR_EOF; FD(sp) = fd; sp->fetch = fd_fetch; sp->store = fd_store; sp->seek = fd_seek; sp->free = fd_free; return sp; }