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symlink: open handles embedded symlinks

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returns symlink_embedded=TRUE when the symlink isn't the last component, which gets passed to RxPrepareToReparseSymbolicLink()

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley 2010-09-29 13:11:27 -04:00 • committed by unknown
parent a92fb8930e
commit e27299d066
3 changed files with 22 additions and 4 deletions
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16
daemon/open.c
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@ -236,6 +236,17 @@ int handle_open(nfs41_upcall *upcall)
status = nfs41_lookup(args->root, nfs41_root_session(args->root),
&state->path, &state->parent, &state->file, &info, &state->session);
if (status == ERROR_REPARSE) {
/* one of the parent components was a symlink */
upcall->last_error = ERROR_REPARSE;
args->symlink_embedded = TRUE;
/* replace the path with the symlink target */
status = nfs41_symlink_follow(state->session,
&state->parent, &args->symlink);
goto out_free_state;
}
// now if file/dir exists, use type returned by lookup
if (status == NO_ERROR) {
if (info.type == NF4DIR) {
@ -263,10 +274,11 @@ int handle_open(nfs41_upcall *upcall)
} else {
/* tell the driver to call RxPrepareToReparseSymbolicLink() */
upcall->last_error = ERROR_REPARSE;
args->symlink_embedded = FALSE;
/* replace the path with the symlink target */
status = nfs41_symlink_follow(state->session,
&state->parent, &state->file, &args->symlink);
&state->file, &args->symlink);
goto out_free_state;
}
} else
@ -375,6 +387,8 @@ int marshall_open(unsigned char *buffer, uint32_t *length, nfs41_upcall *upcall)
if (status) goto out;
if (upcall->last_error == ERROR_REPARSE) {
unsigned short len = (args->symlink.len + 1) * sizeof(WCHAR);
status = safe_write(&buffer, length, &args->symlink_embedded, sizeof(BOOLEAN));
if (status) goto out;
status = safe_write(&buffer, length, &len, sizeof(len));
if (status) goto out;
/* convert args->symlink to wchar */

1
daemon/upcall.h
View file

@ -55,6 +55,7 @@ typedef struct __open_upcall_args {
DWORD mode;
LONGLONG changeattr;
BOOLEAN created;
BOOLEAN symlink_embedded;
} open_upcall_args;
typedef struct __close_upcall_args {