From 674e00f67c5dc4bd6e7c5aff21c11b36eb81cd75 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Tue, 9 May 2006 08:46:07 +0200 Subject: vol_id: add NetWare volume detection --- extras/volume_id/lib/netware.c | 63 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 extras/volume_id/lib/netware.c (limited to 'extras/volume_id/lib/netware.c') diff --git a/extras/volume_id/lib/netware.c b/extras/volume_id/lib/netware.c new file mode 100644 index 0000000000..49afe21fc4 --- /dev/null +++ b/extras/volume_id/lib/netware.c @@ -0,0 +1,63 @@ +/* + * volume_id - reads filesystem label and uuid + * + * Copyright (C) 2006 Kay Sievers + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation version 2 of the License. + */ + +#ifndef _GNU_SOURCE +#define _GNU_SOURCE 1 +#endif + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include +#include +#include +#include +#include +#include + +#include "libvolume_id.h" +#include "util.h" + +#define NW_SUPERBLOCK_OFFSET 0x1000 + +struct netware_super_block { + uint8_t SBH_Signature[4]; + uint16_t SBH_VersionMajor; + uint16_t SBH_VersionMinor; + uint16_t SBH_VersionMediaMajor; + uint16_t SBH_VersionMediaMinor; + uint32_t SBH_ItemsMoved; + uint8_t SBH_InternalID[16]; +} PACKED; + +int volume_id_probe_netware(struct volume_id *id, uint64_t off) +{ + struct netware_super_block *nw; + + info("probing at offset 0x%llx", (unsigned long long) off); + + nw = (struct netware_super_block *) volume_id_get_buffer(id, off + NW_SUPERBLOCK_OFFSET, 0x200); + if (nw == NULL) + return -1; + + if (memcmp(nw->SBH_Signature, "SPB5", 4) != 0) + return -1; + + volume_id_set_uuid(id, nw->SBH_InternalID, UUID_DCE); + + snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%02u", + le16_to_cpu(nw->SBH_VersionMediaMajor), le16_to_cpu(nw->SBH_VersionMediaMinor)); + + volume_id_set_usage(id, VOLUME_ID_FILESYSTEM); + id->type = "nss"; + + return 0; +} -- cgit v1.2.3-54-g00ecf