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* grub-core/fs/ntfs.c: Ue more appropriate types.

Browse source 
* grub-core/fs/ntfscomp.c: Likewise.
	* include/grub/ntfs.h: Likewise.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2013-01-11 07:41:05 +01:00
parent 3e4f356646
commit 535714bdcf
4 changed files with 96 additions and 86 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
ChangeLog
View file

@ -1,3 +1,9 @@
2013-01-10 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/fs/ntfs.c: Ue more appropriate types.
* grub-core/fs/ntfscomp.c: Likewise.
* include/grub/ntfs.h: Likewise.
2013-01-10 Vladimir Serbinenko <phcoder@gmail.com>
Support Apple FAT binaries on non-Apple platforms.

140
grub-core/fs/ntfs.c
View file

@ -55,10 +55,10 @@ u64at (void *ptr, grub_size_t ofs)
grub_ntfscomp_func_t grub_ntfscomp_func;
static grub_err_t
fixup (char *buf, int len, const char *magic)
fixup (grub_uint8_t *buf, grub_size_t len, const grub_uint8_t *magic)
{
int ss;
char *pu;
grub_uint16_t ss;
grub_uint8_t *pu;
grub_uint16_t us;
COMPILE_TIME_ASSERT ((1 << GRUB_NTFS_BLK_SHR) == GRUB_DISK_SECTOR_SIZE);
@ -86,9 +86,9 @@ fixup (char *buf, int len, const char *magic)
return 0;
}
static grub_err_t read_mft (struct grub_ntfs_data *data, char *buf,
static grub_err_t read_mft (struct grub_ntfs_data *data, grub_uint8_t *buf,
grub_uint32_t mftno);
static grub_err_t read_attr (struct grub_ntfs_attr *at, char *dest,
static grub_err_t read_attr (struct grub_ntfs_attr *at, grub_uint8_t *dest,
grub_disk_addr_t ofs, grub_size_t len,
int cached,
void
@ -97,7 +97,8 @@ static grub_err_t read_attr (struct grub_ntfs_attr *at, char *dest,
unsigned offset,
unsigned length));
static grub_err_t read_data (struct grub_ntfs_attr *at, char *pa, char *dest,
static grub_err_t read_data (struct grub_ntfs_attr *at, grub_uint8_t *pa,
grub_uint8_t *dest,
grub_disk_addr_t ofs, grub_size_t len,
int cached,
void
@ -123,8 +124,8 @@ free_attr (struct grub_ntfs_attr *at)
grub_free (at->sbuf);
}
static char *
find_attr (struct grub_ntfs_attr *at, unsigned char attr)
static grub_uint8_t *
find_attr (struct grub_ntfs_attr *at, grub_uint8_t attr)
{
if (at->flags & GRUB_NTFS_AF_ALST)
{
@ -133,9 +134,9 @@ find_attr (struct grub_ntfs_attr *at, unsigned char attr)
{
at->attr_cur = at->attr_nxt;
at->attr_nxt += u16at (at->attr_cur, 4);
if (((unsigned char) *at->attr_cur == attr) || (attr == 0))
if ((*at->attr_cur == attr) || (attr == 0))
{
char *new_pos;
grub_uint8_t *new_pos;
if (at->flags & GRUB_NTFS_AF_MMFT)
{
@ -148,7 +149,8 @@ find_attr (struct grub_ntfs_attr *at, unsigned char attr)
512, at->emft_buf + 512)))
return NULL;
if (fixup (at->emft_buf, at->mft->data->mft_size, "FILE"))
if (fixup (at->emft_buf, at->mft->data->mft_size,
(const grub_uint8_t *) "FILE"))
return NULL;
}
else
@ -159,10 +161,9 @@ find_attr (struct grub_ntfs_attr *at, unsigned char attr)
}
new_pos = &at->emft_buf[u16at (at->emft_buf, 0x14)];
while ((unsigned char) *new_pos != 0xFF)
while (*new_pos != 0xFF)
{
if (((unsigned char) *new_pos ==
(unsigned char) *at->attr_cur)
if ((*new_pos == *at->attr_cur)
&& (u16at (new_pos, 0xE) == u16at (at->attr_cur, 0x18)))
{
return new_pos;
@ -178,18 +179,18 @@ find_attr (struct grub_ntfs_attr *at, unsigned char attr)
return NULL;
}
at->attr_cur = at->attr_nxt;
while ((unsigned char) *at->attr_cur != 0xFF)
while (*at->attr_cur != 0xFF)
{
at->attr_nxt += u16at (at->attr_cur, 4);
if ((unsigned char) *at->attr_cur == GRUB_NTFS_AT_ATTRIBUTE_LIST)
if (*at->attr_cur == GRUB_NTFS_AT_ATTRIBUTE_LIST)
at->attr_end = at->attr_cur;
if (((unsigned char) *at->attr_cur == attr) || (attr == 0))
if ((*at->attr_cur == attr) || (attr == 0))
return at->attr_cur;
at->attr_cur = at->attr_nxt;
}
if (at->attr_end)
{
char *pa;
grub_uint8_t *pa;
at->emft_buf = grub_malloc (at->mft->data->mft_size << GRUB_NTFS_BLK_SHR);
if (at->emft_buf == NULL)
@ -198,7 +199,7 @@ find_attr (struct grub_ntfs_attr *at, unsigned char attr)
pa = at->attr_end;
if (pa[8])
{
int n;
grub_uint32_t n;
n = ((u32at (pa, 0x30) + GRUB_DISK_SECTOR_SIZE - 1)
& (~(GRUB_DISK_SECTOR_SIZE - 1)));
@ -223,7 +224,7 @@ find_attr (struct grub_ntfs_attr *at, unsigned char attr)
at->flags |= GRUB_NTFS_AF_ALST;
while (at->attr_nxt < at->attr_end)
{
if (((unsigned char) *at->attr_nxt == attr) || (attr == 0))
if ((*at->attr_nxt == attr) || (attr == 0))
break;
at->attr_nxt += u16at (at->attr_nxt, 4);
}
@ -243,7 +244,7 @@ find_attr (struct grub_ntfs_attr *at, unsigned char attr)
pa = at->attr_nxt + u16at (pa, 4);
while (pa < at->attr_end)
{
if ((unsigned char) *pa != attr)
if (*pa != attr)
break;
if (read_attr
(at, pa + 0x10,
@ -260,11 +261,11 @@ find_attr (struct grub_ntfs_attr *at, unsigned char attr)
return NULL;
}
static char *
static grub_uint8_t *
locate_attr (struct grub_ntfs_attr *at, struct grub_ntfs_file *mft,
unsigned char attr)
grub_uint8_t attr)
{
char *pa;
grub_uint8_t *pa;
init_attr (at, mft);
pa = find_attr (at, attr);
@ -288,8 +289,8 @@ locate_attr (struct grub_ntfs_attr *at, struct grub_ntfs_file *mft,
return pa;
}
static char *
read_run_data (char *run, int nn, grub_disk_addr_t * val, int sig)
static grub_uint8_t *
read_run_data (grub_uint8_t *run, int nn, grub_disk_addr_t * val, int sig)
{
grub_disk_addr_t r, v;
@ -298,7 +299,7 @@ read_run_data (char *run, int nn, grub_disk_addr_t * val, int sig)
while (nn--)
{
r += v * (*(unsigned char *) (run++));
r += v * (*(run++));
v <<= 8;
}
@ -312,14 +313,14 @@ read_run_data (char *run, int nn, grub_disk_addr_t * val, int sig)
grub_err_t
grub_ntfs_read_run_list (struct grub_ntfs_rlst * ctx)
{
int c1, c2;
grub_uint8_t c1, c2;
grub_disk_addr_t val;
char *run;
grub_uint8_t *run;
run = ctx->cur_run;
retry:
c1 = ((unsigned char) (*run) & 0xF);
c2 = ((unsigned char) (*run) >> 4);
c1 = ((*run) & 0xF);
c2 = ((*run) >> 4);
if (!c1)
{
if ((ctx->attr) && (ctx->attr->flags & GRUB_NTFS_AF_ALST))
@ -330,7 +331,7 @@ retry:
save_hook = ctx->comp.disk->read_hook;
ctx->comp.disk->read_hook = 0;
run = find_attr (ctx->attr, (unsigned char) *ctx->attr->attr_cur);
run = find_attr (ctx->attr, *ctx->attr->attr_cur);
ctx->comp.disk->read_hook = save_hook;
if (run)
{
@ -376,7 +377,7 @@ grub_ntfs_read_block (grub_fshelp_node_t node, grub_disk_addr_t block)
}
static grub_err_t
read_data (struct grub_ntfs_attr *at, char *pa, char *dest,
read_data (struct grub_ntfs_attr *at, grub_uint8_t *pa, grub_uint8_t *dest,
grub_disk_addr_t ofs, grub_size_t len, int cached,
void NESTED_FUNC_ATTR (*read_hook) (grub_disk_addr_t sector,
unsigned offset,
@ -479,7 +480,7 @@ read_data (struct grub_ntfs_attr *at, char *pa, char *dest,
if (!(ctx->flags & GRUB_NTFS_RF_COMP))
{
grub_fshelp_read_file (ctx->comp.disk, (grub_fshelp_node_t) ctx,
read_hook, ofs, len, dest,
read_hook, ofs, len, (char *) dest,
grub_ntfs_read_block, ofs + len,
ctx->comp.log_spc, 0);
return grub_errno;
@ -492,23 +493,23 @@ read_data (struct grub_ntfs_attr *at, char *pa, char *dest,
}
static grub_err_t
read_attr (struct grub_ntfs_attr *at, char *dest, grub_disk_addr_t ofs,
read_attr (struct grub_ntfs_attr *at, grub_uint8_t *dest, grub_disk_addr_t ofs,
grub_size_t len, int cached,
void NESTED_FUNC_ATTR (*read_hook) (grub_disk_addr_t sector,
unsigned offset,
unsigned length))
{
char *save_cur;
unsigned char attr;
char *pp;
grub_uint8_t *save_cur;
grub_uint8_t attr;
grub_uint8_t *pp;
grub_err_t ret;
save_cur = at->attr_cur;
at->attr_nxt = at->attr_cur;
attr = (unsigned char) *at->attr_nxt;
attr = *at->attr_nxt;
if (at->flags & GRUB_NTFS_AF_ALST)
{
char *pa;
grub_uint8_t *pa;
grub_disk_addr_t vcn;
/* If compression is possible make sure that we include possible
@ -521,7 +522,7 @@ read_attr (struct grub_ntfs_attr *at, char *dest, grub_disk_addr_t ofs,
pa = at->attr_nxt + u16at (at->attr_nxt, 4);
while (pa < at->attr_end)
{
if ((unsigned char) *pa != attr)
if (*pa != attr)
break;
if (u32at (pa, 8) > vcn)
break;
@ -541,13 +542,13 @@ read_attr (struct grub_ntfs_attr *at, char *dest, grub_disk_addr_t ofs,
}
static grub_err_t
read_mft (struct grub_ntfs_data *data, char *buf, grub_uint32_t mftno)
read_mft (struct grub_ntfs_data *data, grub_uint8_t *buf, grub_uint32_t mftno)
{
if (read_attr
(&data->mmft.attr, buf, mftno * ((grub_disk_addr_t) data->mft_size << GRUB_NTFS_BLK_SHR),
data->mft_size << GRUB_NTFS_BLK_SHR, 0, 0))
return grub_error (GRUB_ERR_BAD_FS, "read MFT 0x%X fails", mftno);
return fixup (buf, data->mft_size, "FILE");
return fixup (buf, data->mft_size, (const grub_uint8_t *) "FILE");
}
static grub_err_t
@ -570,7 +571,7 @@ init_file (struct grub_ntfs_file *mft, grub_uint32_t mftno)
if ((flag & 2) == 0)
{
char *pa;
grub_uint8_t *pa;
pa = locate_attr (&mft->attr, mft, GRUB_NTFS_AT_DATA);
if (pa == NULL)
@ -598,24 +599,25 @@ free_file (struct grub_ntfs_file *mft)
}
static int
list_file (struct grub_ntfs_file *diro, char *pos,
list_file (struct grub_ntfs_file *diro, grub_uint8_t *pos,
int NESTED_FUNC_ATTR
(*hook) (const char *filename,
enum grub_fshelp_filetype filetype,
grub_fshelp_node_t node))
{
char *np;
grub_uint8_t *np;
int ns;
while (1)
{
char *ustr, namespace;
grub_uint8_t namespace;
char *ustr;
if (pos[0xC] & 2) /* end signature */
break;
np = pos + 0x50;
ns = (unsigned char) *(np++);
ns = *(np++);
namespace = *(np++);
/*
@ -698,7 +700,7 @@ grub_ntfs_read_symlink (grub_fshelp_node_t node)
char *buf, *end;
grub_size_t len;
grub_size_t i;
char *pa;
grub_uint8_t *pa;
grub_size_t off;
mft = (struct grub_ntfs_file *) node;
@ -717,7 +719,7 @@ grub_ntfs_read_symlink (grub_fshelp_node_t node)
return NULL;
}
err = read_attr (&mft->attr, (char *) &symdesc, 0,
err = read_attr (&mft->attr, (grub_uint8_t *) &symdesc, 0,
sizeof (struct symlink_descriptor), 1, 0);
if (err)
return NULL;
@ -744,7 +746,7 @@ grub_ntfs_read_symlink (grub_fshelp_node_t node)
if (!buf16)
return NULL;
err = read_attr (&mft->attr, (char *) buf16, off, len, 1, 0);
err = read_attr (&mft->attr, (grub_uint8_t *) buf16, off, len, 1, 0);
if (err)
return NULL;
@ -781,9 +783,9 @@ grub_ntfs_iterate_dir (grub_fshelp_node_t dir,
enum grub_fshelp_filetype filetype,
grub_fshelp_node_t node))
{
unsigned char *bitmap;
grub_uint8_t *bitmap;
struct grub_ntfs_attr attr, *at;
char *cur_pos, *indx, *bmp;
grub_uint8_t *cur_pos, *indx, *bmp;
int ret = 0;
grub_size_t bitmap_len;
struct grub_ntfs_file *mft;
@ -834,7 +836,7 @@ grub_ntfs_iterate_dir (grub_fshelp_node_t dir,
{
int ofs;
ofs = (unsigned char) cur_pos[0xA];
ofs = cur_pos[0xA];
/* Namelen=4, Name="$I30" */
if ((cur_pos[9] == 4) &&
(u32at (cur_pos, ofs) == 0x490024) &&
@ -851,7 +853,7 @@ grub_ntfs_iterate_dir (grub_fshelp_node_t dir,
if (is_resident)
{
grub_memcpy (bmp, (char *) (cur_pos + u16at (cur_pos, 0x14)),
grub_memcpy (bmp, cur_pos + u16at (cur_pos, 0x14),
bitmap_len);
}
else
@ -865,7 +867,7 @@ grub_ntfs_iterate_dir (grub_fshelp_node_t dir,
bitmap_len = u32at (cur_pos, 0x30);
}
bitmap = (unsigned char *) bmp;
bitmap = bmp;
break;
}
}
@ -904,7 +906,8 @@ grub_ntfs_iterate_dir (grub_fshelp_node_t dir,
if ((read_attr
(at, indx, i * (mft->data->idx_size << GRUB_NTFS_BLK_SHR),
(mft->data->idx_size << GRUB_NTFS_BLK_SHR), 0, 0))
|| (fixup (indx, mft->data->idx_size, "INDX")))
|| (fixup (indx, mft->data->idx_size,
(const grub_uint8_t *) "INDX")))
goto done;
ret = list_file (mft, &indx[0x18 + u16at (indx, 0x18)], hook);
if (ret)
@ -963,14 +966,15 @@ grub_ntfs_mount (grub_disk_t disk)
for (data->log_spc = 0; (1U << data->log_spc) < spc; data->log_spc++);
if (bpb.clusters_per_mft > 0)
data->mft_size = bpb.clusters_per_mft << data->log_spc;
data->mft_size = ((grub_disk_addr_t) bpb.clusters_per_mft) << data->log_spc;
else
data->mft_size = 1 << (-bpb.clusters_per_mft - GRUB_NTFS_BLK_SHR);
data->mft_size = 1ULL << (-bpb.clusters_per_mft - GRUB_NTFS_BLK_SHR);
if (bpb.clusters_per_index > 0)
data->idx_size = bpb.clusters_per_index << data->log_spc;
data->idx_size = (((grub_disk_addr_t) bpb.clusters_per_index)
<< data->log_spc);
else
data->idx_size = 1 << (-bpb.clusters_per_index - GRUB_NTFS_BLK_SHR);
data->idx_size = 1ULL << (-bpb.clusters_per_index - GRUB_NTFS_BLK_SHR);
data->mft_start = grub_le_to_cpu64 (bpb.mft_lcn) << data->log_spc;
@ -990,7 +994,7 @@ grub_ntfs_mount (grub_disk_t disk)
data->uuid = grub_le_to_cpu64 (bpb.num_serial);
if (fixup (data->mmft.buf, data->mft_size, "FILE"))
if (fixup (data->mmft.buf, data->mft_size, (const grub_uint8_t *) "FILE"))
goto fail;
if (!locate_attr (&data->mmft.attr, &data->mmft, GRUB_NTFS_AT_DATA))
@ -1130,7 +1134,8 @@ grub_ntfs_read (grub_file_t file, char *buf, grub_size_t len)
if (file->read_hook)
mft->attr.save_pos = 1;
read_attr (&mft->attr, buf, file->offset, len, 1, file->read_hook);
read_attr (&mft->attr, (grub_uint8_t *) buf, file->offset, len, 1,
file->read_hook);
return (grub_errno) ? -1 : (grub_ssize_t) len;
}
@ -1158,7 +1163,7 @@ grub_ntfs_label (grub_device_t device, char **label)
{
struct grub_ntfs_data *data = 0;
struct grub_fshelp_node *mft = 0;
char *pa;
grub_uint8_t *pa;
grub_dl_ref (my_mod);
@ -1188,7 +1193,7 @@ grub_ntfs_label (grub_device_t device, char **label)
pa = find_attr (&mft->attr, GRUB_NTFS_AT_VOLUME_NAME);
if ((pa) && (pa[8] == 0) && (u32at (pa, 0x10)))
{
char *buf;
grub_uint8_t *buf;
int len;
len = u32at (pa, 0x10) / 2;
@ -1199,10 +1204,9 @@ grub_ntfs_label (grub_device_t device, char **label)
int i;
for (i = 0; i < len; i++)
tmp[i] = grub_le_to_cpu16 (grub_get_unaligned16 (pa + 2 * i));
*grub_utf16_to_utf8 ((grub_uint8_t *) buf, tmp, len) =
'\0';
*grub_utf16_to_utf8 (buf, tmp, len) = '\0';
}
*label = buf;
*label = (char *) buf;
}
fail:

16
grub-core/fs/ntfscomp.c
View file

@ -45,21 +45,21 @@ decomp_nextvcn (struct grub_ntfs_comp *cc)
}
static grub_err_t
decomp_getch (struct grub_ntfs_comp *cc, unsigned char *res)
decomp_getch (struct grub_ntfs_comp *cc, grub_uint8_t *res)
{
if (cc->cbuf_ofs >= (1U << (cc->log_spc + GRUB_NTFS_BLK_SHR)))
{
if (decomp_nextvcn (cc))
return grub_errno;
}
*res = (unsigned char) cc->cbuf[cc->cbuf_ofs++];
*res = cc->cbuf[cc->cbuf_ofs++];
return 0;
}
static grub_err_t
decomp_get16 (struct grub_ntfs_comp *cc, grub_uint16_t * res)
{
unsigned char c1 = 0, c2 = 0;
grub_uint8_t c1 = 0, c2 = 0;
if ((decomp_getch (cc, &c1)) || (decomp_getch (cc, &c2)))
return grub_errno;
@ -69,7 +69,7 @@ decomp_get16 (struct grub_ntfs_comp *cc, grub_uint16_t * res)
/* Decompress a block (4096 bytes) */
static grub_err_t
decomp_block (struct grub_ntfs_comp *cc, char *dest)
decomp_block (struct grub_ntfs_comp *cc, grub_uint8_t *dest)
{
grub_uint16_t flg, cnt;
@ -81,7 +81,7 @@ decomp_block (struct grub_ntfs_comp *cc, char *dest)
{
if (flg & 0x8000)
{
unsigned char tag;
grub_uint8_t tag;
grub_uint32_t bits, copied;
bits = copied = tag = 0;
@ -136,7 +136,7 @@ decomp_block (struct grub_ntfs_comp *cc, char *dest)
}
else
{
unsigned char ch = 0;
grub_uint8_t ch = 0;
if (decomp_getch (cc, &ch))
return grub_errno;
@ -177,7 +177,7 @@ decomp_block (struct grub_ntfs_comp *cc, char *dest)
}
static grub_err_t
read_block (struct grub_ntfs_rlst *ctx, char *buf, grub_size_t num)
read_block (struct grub_ntfs_rlst *ctx, grub_uint8_t *buf, grub_size_t num)
{
int log_cpb = GRUB_NTFS_LOG_COM_SEC - ctx->comp.log_spc;
@ -289,7 +289,7 @@ read_block (struct grub_ntfs_rlst *ctx, char *buf, grub_size_t num)
}
static grub_err_t
ntfscomp (struct grub_ntfs_attr *at, char *dest, grub_disk_addr_t ofs,
ntfscomp (struct grub_ntfs_attr *at, grub_uint8_t *dest, grub_disk_addr_t ofs,
grub_size_t len, struct grub_ntfs_rlst *ctx, grub_disk_addr_t vcn)
{
grub_err_t ret;

20
include/grub/ntfs.h
View file

@ -132,17 +132,17 @@ struct grub_ntfs_bpb
struct grub_ntfs_attr
{
int flags;
char *emft_buf, *edat_buf;
char *attr_cur, *attr_nxt, *attr_end;
grub_uint8_t *emft_buf, *edat_buf;
grub_uint8_t *attr_cur, *attr_nxt, *attr_end;
grub_uint32_t save_pos;
char *sbuf;
grub_uint8_t *sbuf;
struct grub_ntfs_file *mft;
};
struct grub_ntfs_file
{
struct grub_ntfs_data *data;
char *buf;
grub_uint8_t *buf;
grub_uint64_t size;
grub_uint64_t mtime;
grub_uint32_t ino;
@ -155,10 +155,10 @@ struct grub_ntfs_data
struct grub_ntfs_file cmft;
struct grub_ntfs_file mmft;
grub_disk_t disk;
grub_uint32_t mft_size;
grub_uint32_t idx_size;
grub_uint64_t mft_size;
grub_uint64_t idx_size;
int log_spc;
grub_uint32_t mft_start;
grub_uint64_t mft_start;
grub_uint64_t uuid;
};
@ -175,20 +175,20 @@ struct grub_ntfs_comp
struct grub_ntfs_comp_table_element comp_table[16];
grub_uint32_t cbuf_ofs, cbuf_vcn;
int log_spc;
char *cbuf;
grub_uint8_t *cbuf;
};
struct grub_ntfs_rlst
{
int flags;
grub_disk_addr_t target_vcn, curr_vcn, next_vcn, curr_lcn;
char *cur_run;
grub_uint8_t *cur_run;
struct grub_ntfs_attr *attr;
struct grub_ntfs_comp comp;
};
typedef grub_err_t (*grub_ntfscomp_func_t) (struct grub_ntfs_attr * at,
char *dest,
grub_uint8_t *dest,
grub_disk_addr_t ofs,
grub_size_t len,
struct grub_ntfs_rlst * ctx,