mirrors/ntfs-3g
0
0
Fork 0
mirror of https://git.code.sf.net/p/ntfs-3g/ntfs-3g.git synced 2024-11-23 10:04:00 +08:00
Code Issues Packages Projects Releases Wiki Activity

Skip extended attribute related functions when not supported locally

Browse Source
This commit is contained in:
jpandre 2009-12-19 09:21:00 +00:00
parent 7b802d193c
commit 5d4a3f6f8b
1 changed files with 19 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/lowntfs-3g.c
View File

@ -216,7 +216,9 @@ typedef struct {
BOOL no_detach;
BOOL blkdev;
BOOL mounted;
#ifdef HAVE_SETXATTR /* extended attributes interface required */
BOOL efs_raw;
#endif /* HAVE_SETXATTR */
struct fuse_chan *fc;
BOOL inherit;
unsigned int secure_flags;
@ -673,6 +675,7 @@ static int ntfs_fuse_getstat(struct SECURITY_CONTEXT *scx,
/* Regular or Interix (INTX) file. */
stbuf->st_mode = S_IFREG;
stbuf->st_size = ni->data_size;
#ifdef HAVE_SETXATTR /* extended attributes interface required */
/*
* return data size rounded to next 512 byte boundary for
* encrypted files to include padding required for decryption
@ -680,7 +683,7 @@ static int ntfs_fuse_getstat(struct SECURITY_CONTEXT *scx,
*/
if (ctx->efs_raw && ni->flags & FILE_ATTR_ENCRYPTED)
stbuf->st_size = ((ni->data_size + 511) & ~511) + 2;
#endif /* HAVE_SETXATTR */
/*
* Temporary fix to make ActiveSync work via Samba 3.0.
* See more on the ntfs-3g-devel list.
@ -1193,11 +1196,13 @@ static void ntfs_fuse_open(fuse_req_t req, fuse_ino_t ino,
/* mark a future need to compress the last chunk */
if (na->data_flags & ATTR_COMPRESSION_MASK)
state |= CLOSE_COMPRESSED;
#ifdef HAVE_SETXATTR /* extended attributes interface required */
/* mark a future need to fixup encrypted inode */
if (ctx->efs_raw
&& !(na->data_flags & ATTR_IS_ENCRYPTED)
&& (ni->flags & FILE_ATTR_ENCRYPTED))
state |= CLOSE_ENCRYPTED;
#endif /* HAVE_SETXATTR */
}
ntfs_attr_close(na);
} else
@ -1256,12 +1261,14 @@ static void ntfs_fuse_read(fuse_req_t req, fuse_ino_t ino, size_t size,
res = -errno;
goto exit;
}
/* limit reads at next 512 byte boundary for encrypted attributes */
max_read = na->data_size;
#ifdef HAVE_SETXATTR /* extended attributes interface required */
/* limit reads at next 512 byte boundary for encrypted attributes */
if (ctx->efs_raw && (na->data_flags & ATTR_IS_ENCRYPTED) &&
NAttrNonResident(na)) {
max_read = ((na->data_size+511) & ~511) + 2;
}
#endif /* HAVE_SETXATTR */
if (offset + (off_t)size > max_read) {
if (max_read < offset)
goto ok;
@ -1798,11 +1805,13 @@ static int ntfs_fuse_create(fuse_req_t req, fuse_ino_t parent, const char *name,
if (fi && (ni->flags & FILE_ATTR_COMPRESSED)) {
state |= CLOSE_COMPRESSED;
}
#ifdef HAVE_SETXATTR /* extended attributes interface required */
/* mark a future need to fixup encrypted inode */
if (fi
&& ctx->efs_raw
&& (ni->flags & FILE_ATTR_ENCRYPTED))
state |= CLOSE_ENCRYPTED;
#endif /* HAVE_SETXATTR */
ntfs_inode_update_mbsname(dir_ni, name, ni->mft_no);
NInoSetDirty(ni);
e->ino = ni->mft_no;
@ -2291,8 +2300,10 @@ static void ntfs_fuse_release(fuse_req_t req, fuse_ino_t ino,
res = 0;
if (of->state & CLOSE_COMPRESSED)
res = ntfs_attr_pclose(na);
#ifdef HAVE_SETXATTR /* extended attributes interface required */
if (of->state & CLOSE_ENCRYPTED)
res = ntfs_efs_fixup_attribute(NULL, na);
#endif /* HAVE_SETXATTR */
exit:
if (na)
ntfs_attr_close(na);
@ -3583,7 +3594,9 @@ static char *parse_mount_options(const char *orig_opts)
int want_permissions = 0;
ctx->secure_flags = 0;
#ifdef HAVE_SETXATTR /* extended attributes interface required */
ctx->efs_raw = FALSE;
#endif /* HAVE_SETXATTR */
options = strdup(orig_opts ? orig_opts : "");
if (!options) {
ntfs_log_perror("%s: strdup failed", EXEC_NAME);
@ -3764,10 +3777,12 @@ static char *parse_mount_options(const char *orig_opts)
"'usermapping' option.\n");
goto err_exit;
}
#ifdef HAVE_SETXATTR /* extended attributes interface required */
} else if (!strcmp(opt, "efs_raw")) {
if (bogus_option_value(val, "efs_raw"))
goto err_exit;
ctx->efs_raw = TRUE;
#endif /* HAVE_SETXATTR */
} else { /* Probably FUSE option. */
if (strappend(&ret, opt))
goto err_exit;
@ -4242,7 +4257,9 @@ int main(int argc, char *argv[])
ctx->security.vol = ctx->vol;
ctx->vol->secure_flags = ctx->secure_flags;
#ifdef HAVE_SETXATTR /* extended attributes interface required */
ctx->vol->efs_raw = ctx->efs_raw;
#endif /* HAVE_SETXATTR */
/* JPA open $Secure, (whatever NTFS version !) */
/* to initialize security data */
if (ntfs_open_secure(ctx->vol) && (ctx->vol->major_ver >= 3))