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authorbigbiff <bigbiff@teamw.in>2015-01-02 01:44:14 +0100
committerDees Troy <dees_troy@teamw.in>2015-01-05 04:38:42 +0100
commit7b4c7a681cc4c0a53dc8a8baf4853e921cfbf5de (patch)
treefb69cb515cb4ab675d5850684cc402100b7a2a22 /libblkid/swap.c
parentcrypto: remove unused libs and clean up makefile (diff)
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Diffstat (limited to 'libblkid/swap.c')
-rw-r--r--libblkid/swap.c171
1 files changed, 0 insertions, 171 deletions
diff --git a/libblkid/swap.c b/libblkid/swap.c
deleted file mode 100644
index 7ac119bed..000000000
--- a/libblkid/swap.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * Copyright (C) 1999 by Andries Brouwer
- * Copyright (C) 1999, 2000, 2003 by Theodore Ts'o
- * Copyright (C) 2001 by Andreas Dilger
- * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
- * Copyright (C) 2008 Karel Zak <kzak@redhat.com>
- *
- * This file may be redistributed under the terms of the
- * GNU Lesser General Public License.
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include <ctype.h>
-#include <stdint.h>
-
-#include "superblocks.h"
-
-/* linux-2.6/include/linux/swap.h */
-struct swap_header_v1_2 {
- /* char bootbits[1024]; */ /* Space for disklabel etc. */
- uint32_t version;
- uint32_t lastpage;
- uint32_t nr_badpages;
- unsigned char uuid[16];
- unsigned char volume[16];
- uint32_t padding[117];
- uint32_t badpages[1];
-} __attribute__((packed));
-
-#define PAGESIZE_MIN 0xff6 /* 4086 (arm, i386, ...) */
-#define PAGESIZE_MAX 0xfff6 /* 65526 (ia64) */
-
-#define TOI_MAGIC_STRING "\xed\xc3\x02\xe9\x98\x56\xe5\x0c"
-#define TOI_MAGIC_STRLEN (sizeof(TOI_MAGIC_STRING) - 1)
-
-static int swap_set_info(blkid_probe pr, const char *version)
-{
- struct swap_header_v1_2 *hdr;
-
- /* Swap header always located at offset of 1024 bytes */
- hdr = (struct swap_header_v1_2 *) blkid_probe_get_buffer(pr, 1024,
- sizeof(struct swap_header_v1_2));
- if (!hdr)
- return -1;
-
- /* SWAPSPACE2 - check for wrong version or zeroed pagecount */
- if (strcmp(version, "2") == 0 &&
- (hdr->version != 1 || hdr->lastpage == 0))
- return -1;
-
- /* arbitrary sanity check.. is there any garbage down there? */
- if (hdr->padding[32] == 0 && hdr->padding[33] == 0) {
- if (hdr->volume[0] && blkid_probe_set_label(pr, hdr->volume,
- sizeof(hdr->volume)) < 0)
- return -1;
- if (blkid_probe_set_uuid(pr, hdr->uuid) < 0)
- return -1;
- }
-
- blkid_probe_set_version(pr, version);
- return 0;
-}
-
-static int probe_swap(blkid_probe pr, const struct blkid_idmag *mag)
-{
- unsigned char *buf;
-
- if (!mag)
- return -1;
-
- /* TuxOnIce keeps valid swap header at the end of the 1st page */
- buf = blkid_probe_get_buffer(pr, 0, TOI_MAGIC_STRLEN);
- if (!buf)
- return -1;
-
- if (memcmp(buf, TOI_MAGIC_STRING, TOI_MAGIC_STRLEN) == 0)
- return 1; /* Ignore swap signature, it's TuxOnIce */
-
- if (!memcmp(mag->magic, "SWAP-SPACE", mag->len)) {
- /* swap v0 doesn't support LABEL or UUID */
- blkid_probe_set_version(pr, "1");
- return 0;
-
- } else if (!memcmp(mag->magic, "SWAPSPACE2", mag->len))
- return swap_set_info(pr, "2");
-
- return -1;
-}
-
-static int probe_swsuspend(blkid_probe pr, const struct blkid_idmag *mag)
-{
- if (!mag)
- return -1;
- if (!memcmp(mag->magic, "S1SUSPEND", mag->len))
- return swap_set_info(pr, "s1suspend");
- if (!memcmp(mag->magic, "S2SUSPEND", mag->len))
- return swap_set_info(pr, "s2suspend");
- if (!memcmp(mag->magic, "ULSUSPEND", mag->len))
- return swap_set_info(pr, "ulsuspend");
- if (!memcmp(mag->magic, TOI_MAGIC_STRING, mag->len))
- return swap_set_info(pr, "tuxonice");
- if (!memcmp(mag->magic, "LINHIB0001", mag->len))
- return swap_set_info(pr, "linhib0001");
-
- return -1; /* no signature detected */
-}
-
-const struct blkid_idinfo swap_idinfo =
-{
- .name = "swap",
- .usage = BLKID_USAGE_OTHER,
- .probefunc = probe_swap,
- .minsz = 10 * 4096, /* 10 pages */
- .magics =
- {
- { "SWAP-SPACE", 10, 0, 0xff6 },
- { "SWAPSPACE2", 10, 0, 0xff6 },
- { "SWAP-SPACE", 10, 0, 0x1ff6 },
- { "SWAPSPACE2", 10, 0, 0x1ff6 },
- { "SWAP-SPACE", 10, 0, 0x3ff6 },
- { "SWAPSPACE2", 10, 0, 0x3ff6 },
- { "SWAP-SPACE", 10, 0, 0x7ff6 },
- { "SWAPSPACE2", 10, 0, 0x7ff6 },
- { "SWAP-SPACE", 10, 0, 0xfff6 },
- { "SWAPSPACE2", 10, 0, 0xfff6 },
- { NULL }
- }
-};
-
-
-const struct blkid_idinfo swsuspend_idinfo =
-{
- .name = "swsuspend",
- .usage = BLKID_USAGE_OTHER,
- .probefunc = probe_swsuspend,
- .minsz = 10 * 4096, /* 10 pages */
- .magics =
- {
- { TOI_MAGIC_STRING, TOI_MAGIC_STRLEN, 0, 0 },
- { "S1SUSPEND", 9, 0, 0xff6 },
- { "S2SUSPEND", 9, 0, 0xff6 },
- { "ULSUSPEND", 9, 0, 0xff6 },
- { "LINHIB0001",10,0, 0xff6 },
-
- { "S1SUSPEND", 9, 0, 0x1ff6 },
- { "S2SUSPEND", 9, 0, 0x1ff6 },
- { "ULSUSPEND", 9, 0, 0x1ff6 },
- { "LINHIB0001",10,0, 0x1ff6 },
-
- { "S1SUSPEND", 9, 0, 0x3ff6 },
- { "S2SUSPEND", 9, 0, 0x3ff6 },
- { "ULSUSPEND", 9, 0, 0x3ff6 },
- { "LINHIB0001",10,0, 0x3ff6 },
-
- { "S1SUSPEND", 9, 0, 0x7ff6 },
- { "S2SUSPEND", 9, 0, 0x7ff6 },
- { "ULSUSPEND", 9, 0, 0x7ff6 },
- { "LINHIB0001",10,0, 0x7ff6 },
-
- { "S1SUSPEND", 9, 0, 0xfff6 },
- { "S2SUSPEND", 9, 0, 0xfff6 },
- { "ULSUSPEND", 9, 0, 0xfff6 },
- { "LINHIB0001",10,0, 0xfff6 },
-
- { NULL }
- }
-};
-