release 3.4
https://sourceforge.net/projects/elilo/files/elilo/elilo-3.4/
This commit is contained in:
Stephane Eranian
commit
fb6ce0d596
100 changed files with 20247 additions and 0 deletions
242
glue_netfs.c
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242
glue_netfs.c
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/*
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* Copyright (C) 2001-2003 Hewlett-Packard Co.
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* Contributed by Stephane Eranian <eranian@hpl.hp.com>
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*
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* This file is part of the ELILO, the EFI Linux boot loader.
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*
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* ELILO is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* ELILO is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with ELILO; see the file COPYING. If not, write to the Free
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* Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Please check out the elilo.txt for complete documentation on how
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* to use this program.
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*/
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#include <efi.h>
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#include <efilib.h>
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#include "glue_netfs.h"
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#include "fs/netfs.h"
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#include "strops.h"
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#include "elilo.h"
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#include "vars.h"
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/*
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* disable this if you only want the default config file (elilo.conf)
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* and not the ip-address based first file attempt
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*/
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static INTN glue(fileops_t *this, VOID *intf);
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/* object exported to fileops */
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fileops_fs_t netfs_glue = { NETFS_PROTOCOL , glue, netfs_install, netfs_uninstall};
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#define NETFS_DEFAULT_KERNEL L"vmlinux"
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#define NETFS_DEFAULT_CONFIG L"elilo.conf"
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#define NETFS_DEFAULT_SERVER_TYPE EFI_PXE_BASE_CODE_BOOT_TYPE_REDHAT_BOOT
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static CHAR16 netfs_default_path[FILENAME_MAXLEN];
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/*
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* Pxe Discovery protocol layers
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* Layer 0 is used to download the boot loader
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*/
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#define NETFS_CONFIG_LAYER 1
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#define NETFS_KERNEL_LAYER 2
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static CHAR16 *hexa=L"0123456789ABCDEF";
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static VOID
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convert_ip2hex(UINT8 *ip, INTN l, CHAR16 *str)
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{
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UINTN i;
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for(i=0; i < l; i++) {
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str[2*i] = hexa[(ip[i] & 0xf0)>>4];
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str[2*i+1] = hexa[ip[i] & 0x0f];
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}
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}
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static VOID
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convert_ip2decstr(UINT8 *ip, INTN l, CHAR16 *str)
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{
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UINTN i, j;
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UINTN v, val;
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for(i=0, j=0; i < l; i++) {
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val = ip[i];
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v = val / 100;
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if (v) {
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str[j++] = L'0'+v;
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}
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val = val % 100;
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v = val / 10;
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if (v || ip[i] >= 100) {
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str[j++] = L'0'+v;
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}
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v = val % 10;
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str[j++] = L'0'+v;
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if (i < l-1) str[j++] = L'.';
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}
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str[j] = CHAR_NULL;
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}
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static int
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netfs_set_default_path(netfs_interface_t *netfs, netfs_info_t *info)
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{
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INTN len;
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StrnCpy(netfs_default_path, info->bootfile, FILENAME_MAXLEN);
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len = StrLen(netfs_default_path) - 1;
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while (len >= 0) {
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if (netfs_default_path[len] == CHAR_SLASH || netfs_default_path[len] == CHAR_BACKSLASH) break;
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len--;
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}
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netfs_default_path[len+1] = CHAR_NULL;
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DBG_PRT((L"netfs_default_path=%s\n", netfs_default_path));
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return EFI_SUCCESS;
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}
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static EFI_STATUS
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netfs_setdefaults(VOID *intf, CHAR16 *config, CHAR16 *kname, UINTN maxlen, CHAR16 *devpath)
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{
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netfs_interface_t *netfs = (netfs_interface_t *)intf;
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netfs_info_t info;
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EFI_STATUS status;
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UINT8 *ipaddr;
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UINTN m;
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CHAR16 ip_var[64], str[64];
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UINT8 *ip;
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if (config == NULL || kname == NULL || maxlen < 1) return EFI_INVALID_PARAMETER;
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netfs->netfs_getinfo(netfs, &info);
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m = info.using_ipv6 ? 16 : 4;
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ipaddr = info.using_ipv6 ? info.cln_ipaddr.v6.Addr: info.cln_ipaddr.v4.Addr;
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convert_ip2decstr(ipaddr, m, ip_var);
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set_var(VAR_NETFS_IPADDR, ip_var);
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ip = info.using_ipv6 ? info.netmask.v6.Addr: info.netmask.v4.Addr;
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convert_ip2decstr(ip, m, str);
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set_var(VAR_NETFS_NETMASK, str);
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ip = info.using_ipv6 ? info.gw_ipaddr.v6.Addr: info.gw_ipaddr.v4.Addr;
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convert_ip2decstr(ip, m, str);
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set_var(VAR_NETFS_GATEWAY, str);
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set_var(VAR_NETFS_HOSTNAME, info.hostname);
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set_var(VAR_NETFS_DOMAINAME, info.domainame);
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if (info.using_pxe) {
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status = netfs->netfs_query_layer(netfs, 0, NETFS_CONFIG_LAYER, maxlen, config);
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if (EFI_ERROR(status)) {
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StrnCpy(config, NETFS_DEFAULT_CONFIG, maxlen-1);
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config[maxlen-1] = CHAR_NULL;
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}
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status = netfs->netfs_query_layer(netfs, 0, NETFS_KERNEL_LAYER, maxlen, kname);
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if (EFI_ERROR(status)) {
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StrnCpy(kname, NETFS_DEFAULT_KERNEL, maxlen-1);
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kname[maxlen-1] = CHAR_NULL;
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}
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} else {
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#ifdef ENABLE_MACHINE_SPECIFIC_NETCONFIG
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/*
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* will try a machine specific file first.
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* the file is constructed based on the IP(v4) address
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*/
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convert_ip2hex(ipaddr, m, config);
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config[8] = L'.';
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config[9] = L'c';
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config[10] = L'o';
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config[11] = L'n';
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config[12] = L'f';
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config[13] = CHAR_NULL;
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#else
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StrnCpy(config, NETFS_DEFAULT_CONFIG, maxlen-1);
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config[maxlen-1] = CHAR_NULL;
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#endif
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StrnCpy(kname, NETFS_DEFAULT_KERNEL, maxlen-1);
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kname[maxlen-1] = CHAR_NULL;
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/*
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* extract bootloader path prefix to be used for
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* the config file (and possibly the other files we
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* need to download)
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*/
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netfs_set_default_path(netfs, &info);
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}
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return EFI_SUCCESS;
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}
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static EFI_STATUS
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netfs_getdefault_path(CHAR16 *path, UINTN maxlen)
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{
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if (maxlen <= StrLen(netfs_default_path)) return EFI_BUFFER_TOO_SMALL;
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StrCpy(path, netfs_default_path);
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return EFI_SUCCESS;
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}
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static EFI_STATUS
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glue_open(VOID *intf, CHAR16 *name, fops_fd_t *fd)
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{
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netfs_interface_t *netfs = (netfs_interface_t *)intf;
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CHAR16 fullname[FILENAME_MAXLEN];
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if (name[0] != CHAR_SLASH && name[0] != CHAR_BACKSLASH && netfs_default_path[0] != CHAR_NULL) {
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if (StrLen(netfs_default_path) + StrLen(name) + 1 >= FILENAME_MAXLEN)
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return EFI_INVALID_PARAMETER;
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StrCpy(fullname, netfs_default_path);
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StrCat(fullname, name);
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name = fullname;
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}
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return netfs->netfs_open(intf, name, fd);
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}
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static INTN
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glue(fileops_t *fp, VOID *intf)
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{
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netfs_interface_t *netfs = (netfs_interface_t *)intf;
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/* record underlying interface */
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fp->intf = intf;
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fp->open = glue_open;
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fp->read = (fops_read_t)netfs->netfs_read;
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fp->close = (fops_close_t)netfs->netfs_close;
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fp->infosize = (fops_infosize_t)netfs->netfs_infosize;
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fp->seek = (fops_seek_t)netfs->netfs_seek;
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fp->setdefaults = (fops_setdefaults_t)netfs_setdefaults;
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fp->getdefault_path = (fops_getdefault_path_t)netfs_getdefault_path;
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fp->intf = intf;
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/* fill out the name of the underlying file system */
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netfs->netfs_name(netfs, fp->name, FILEOPS_NAME_MAXLEN);
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return 0;
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}
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