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* Fix ntfs_attr_p{read,write}. (see Changelog)

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* Minor fixes and some stubs for uncommitted code.
* Update README about ./autogen.sh.
This commit is contained in:
cha0smaster 2005-08-01 13:40:51 +00:00
parent 03556cdd8b
commit f7e5e1cc26
4 changed files with 58 additions and 32 deletions
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2
ChangeLog
View File

@ -20,6 +20,8 @@ xx/xx/xxxx - 1.12.0-WIP
failed. (Yura)
- Fix random errno returned by ntfs_inode_open() if the MFT record
wasn't in use. (Szaka)
- Fix ntfs_attr_p{read,write} to not return less bytes if trapped on
unmapped runlist region. (Yura)
20/07/2005 - 1.11.1 - Fix several ntfsmount bugs.

1
README
View File

@ -47,6 +47,7 @@ Quick Installation
In most cases it should be sufficient to do:
./autogen.sh <-- Only in case you received source from CVS.
./configure
make
make install <-- You usually need to be root for this one.

22
libntfs/attrib.c
View File

@ -810,6 +810,14 @@ res_err_out:
*/
ofs = pos - (rl->vcn << vol->cluster_size_bits);
for (; count; rl++, ofs = 0) {
if (rl->lcn == LCN_RL_NOT_MAPPED) {
rl = ntfs_attr_find_vcn(na, rl->vcn);
if (!rl) {
if (errno == ENOENT)
errno = EIO;
goto rl_err_out;
}
}
if (!rl->length)
goto rl_err_out;
if (rl->lcn < (LCN)0) {
@ -829,9 +837,9 @@ res_err_out:
to_read = min(count, (rl->length << vol->cluster_size_bits) -
ofs);
retry:
Dprintf("%s(): Reading 0x%llx bytes from vcn 0x%llx, lcn 0x%llx, "
"ofs 0x%llx.\n", __FUNCTION__, to_read,
rl->vcn, rl->lcn, ofs);
Dprintf("%s(): Reading 0x%llx bytes from vcn 0x%llx, "
"lcn 0x%llx, ofs 0x%llx.\n", __FUNCTION__,
to_read, rl->vcn, rl->lcn, ofs);
br = ntfs_pread(vol->dev, (rl->lcn << vol->cluster_size_bits) +
ofs, to_read, b);
/* If everything ok, update progress counters and continue. */
@ -1049,6 +1057,14 @@ s64 ntfs_attr_pwrite(ntfs_attr *na, const s64 pos, s64 count, const void *b)
*/
ofs = pos - (rl->vcn << vol->cluster_size_bits);
for (; count; rl++, ofs = 0) {
if (rl->lcn == LCN_RL_NOT_MAPPED) {
rl = ntfs_attr_find_vcn(na, rl->vcn);
if (!rl) {
if (errno == ENOENT)
errno = EIO;
goto rl_err_out;
}
}
if (!rl->length) {
errno = EIO;
goto rl_err_out;

61
ntfsprogs/ntfsmount.c
View File

@ -44,6 +44,7 @@
#include "dir.h"
#include "unistr.h"
#include "layout.h"
#include "index.h"
#include "utils.h"
typedef struct {
@ -253,7 +254,7 @@ static int ntfs_fuse_getattr(const char *org_path, struct stat *stbuf)
if (ni->mrec->flags & MFT_RECORD_IS_DIRECTORY &&
!stream_name_len) {
stbuf->st_mode = S_IFDIR | (0777 & ~ctx->dmask);
na = ntfs_attr_open(ni, AT_INDEX_ALLOCATION, I30, 0);
na = ntfs_attr_open(ni, AT_INDEX_ALLOCATION, I30, 4);
if (na) {
stbuf->st_size = na->data_size;
stbuf->st_blocks = na->allocated_size >>
@ -355,14 +356,13 @@ static int ntfs_fuse_open(const char *org_path,
vol = ctx->vol;
ni = ntfs_pathname_to_inode(vol, NULL, path);
if (ni) {
if (stream_name_len) {
na = ntfs_attr_open(ni, AT_DATA, stream_name,
stream_name_len);
if (na)
na = ntfs_attr_open(ni, AT_DATA, stream_name, stream_name_len);
if (na) {
if (NAttrEncrypted(na))
res = -EACCES;
ntfs_attr_close(na);
else
} else
res = -errno;
}
ntfs_inode_close(ni);
} else
res = -errno;
@ -398,6 +398,8 @@ static int ntfs_fuse_read(const char *org_path, char *buf, size_t size,
goto exit;
}
res = ntfs_attr_pread(na, offset, size, buf);
if (res == -1)
res = -errno;
ntfs_attr_close(na);
exit:
if (ni && ntfs_inode_close(ni))
@ -434,6 +436,10 @@ static int ntfs_fuse_write(const char *org_path, const char *buf, size_t size,
goto exit;
}
res = ntfs_attr_pwrite(na, offset, size, buf);
if (res == -1)
res = -errno;
if (res < size)
perror("ntfs_attr_pwrite returned less than requested.");
ctx->state |= (NF_FreeClustersOutdate | NF_FreeMFTOutdate);
ntfs_attr_close(na);
exit:
@ -529,6 +535,11 @@ exit:
return res;
}
static int ntfs_fuse_rm_file(char *file)
{
return -EOPNOTSUPP;
}
static int ntfs_fuse_unlink(const char *org_path)
{
ntfs_inode *ni = NULL;
@ -541,15 +552,11 @@ static int ntfs_fuse_unlink(const char *org_path)
stream_name_len = ntfs_fuse_parse_path(org_path, &path, &stream_name);
if (stream_name_len < 0)
return stream_name_len;
if (!stream_name_len) {
res = -EOPNOTSUPP;
goto exit;
}
if (!stream_name_len)
return ntfs_fuse_rm_file(path);
ni = ntfs_pathname_to_inode(ctx->vol, NULL, path);
if (!ni) {
res = -errno;
if (res == -ENOENT)
res = -EOPNOTSUPP;
goto exit;
}
na = ntfs_attr_open(ni, AT_DATA, stream_name, stream_name_len);
@ -935,7 +942,7 @@ static char *parse_options(char *options, char **device)
opt = strsep(&val, "=");
if (!strcmp(opt, "dev")) { /* Device to mount. */
if (!val) {
Eprintf("dev option should have value.\n");
Eprintf("'dev' option should have value.\n");
goto err_exit;
}
*device = malloc(PATH_MAX + 1);
@ -953,7 +960,7 @@ static char *parse_options(char *options, char **device)
strcpy(*device, val);
} else if (!strcmp(opt, "ro")) { /* Read-only mount. */
if (val) {
Eprintf("ro option should not have value.\n");
Eprintf("'ro' option should not have value.\n");
goto err_exit;
}
ctx->ro =TRUE;
@ -961,7 +968,7 @@ static char *parse_options(char *options, char **device)
#ifdef DEBUG
} else if (!strcmp(opt, "fake_ro")) {
if (val) {
Eprintf("fake_ro option should not have "
Eprintf("'fake_ro' option should not have "
"value.\n");
goto err_exit;
}
@ -972,63 +979,63 @@ static char *parse_options(char *options, char **device)
* We need this to be able to check whether filesystem
* mounted or not.
*/
Eprintf("fsname is unsupported option.\n");
Eprintf("'fsname' is unsupported option.\n");
goto err_exit;
} else if (!strcmp(opt, "no_def_opts")) {
if (val) {
Eprintf("no_def_opts option should not have "
Eprintf("'no_def_opts' option should not have "
"value.\n");
goto err_exit;
}
no_def_opts = TRUE; /* Don't add default options. */
} else if (!strcmp(opt, "umask")) {
if (!val) {
Eprintf("umask option should have value.\n");
Eprintf("'umask' option should have value.\n");
goto err_exit;
}
sscanf(val, "%i", &ctx->fmask);
ctx->dmask = ctx->fmask;
} else if (!strcmp(opt, "fmask")) {
if (!val) {
Eprintf("fmask option should have value.\n");
Eprintf("'fmask' option should have value.\n");
goto err_exit;
}
sscanf(val, "%i", &ctx->fmask);
} else if (!strcmp(opt, "dmask")) {
if (!val) {
Eprintf("dmask option should have value.\n");
Eprintf("'dmask' option should have value.\n");
goto err_exit;
}
sscanf(val, "%i", &ctx->dmask);
} else if (!strcmp(opt, "uid")) {
if (!val) {
Eprintf("uid option should have value.\n");
Eprintf("'uid' option should have value.\n");
goto err_exit;
}
sscanf(val, "%i", &ctx->uid);
} else if (!strcmp(opt, "gid")) {
if (!val) {
Eprintf("gid option should have value.\n");
Eprintf("'gid' option should have value.\n");
goto err_exit;
}
sscanf(val, "%i", &ctx->gid);
} else if (!strcmp(opt, "show_sys_files")) {
if (val) {
Eprintf("show_sys_files option should not "
Eprintf("'show_sys_files' option should not "
"have value.\n");
goto err_exit;
}
ctx->show_sys_files = TRUE;
} else if (!strcmp(opt, "succeed_chmod")) {
if (val) {
Eprintf("succeed_chmod option should not "
Eprintf("'succeed_chmod' option should not "
"have value.\n");
goto err_exit;
}
ctx->succeed_chmod = TRUE;
} else if (!strcmp(opt, "force")) {
if (val) {
Eprintf("force option should not "
Eprintf("'force' option should not "
"have value.\n");
goto err_exit;
}
@ -1100,7 +1107,7 @@ int main(int argc, char *argv[])
/* Parse options. */
parsed_options = parse_options(options, &device);
if (!device) {
Eprintf("dev option is mandatory.\n");
Eprintf("'dev' option is mandatory.\n");
ntfs_fuse_destroy();
return 2;
}