evin/ms-nfs41-client
3
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

symlink: FSCTL_GET_REPARSE_POINT

Browse source 
driver handles FSCTL_GET_REPARSE_POINT by sending a symlink query upcall
daemon handles symlink query upcall by calling nfs41_readlink()

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley 2010-09-23 12:48:02 -04:00 • committed by unknown
parent 8ea0ca1893
commit 08c2618551
2 changed files with 144 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

34
daemon/symlink.c
View file

@ -25,6 +25,7 @@
#include <Windows.h>
#include <strsafe.h>
#include "nfs41_ops.h"
#include "upcall.h"
#include "util.h"
#include "daemon_debug.h"
@ -170,9 +171,40 @@ out:
return status;
}
static int map_symlink_errors(int status)
{
switch (status) {
case NFS4ERR_BADCHAR:
case NFS4ERR_BADNAME: return ERROR_INVALID_REPARSE_DATA;
case NFS4ERR_WRONG_TYPE: return ERROR_NOT_A_REPARSE_POINT;
default: return nfs_to_windows_error(status, ERROR_BAD_NET_RESP);
}
}
int handle_symlink(nfs41_upcall *upcall)
{
return NO_ERROR;
symlink_upcall_args *args = &upcall->args.symlink;
nfs41_open_state *state = args->state;
int status = NO_ERROR;
if (args->set) {
} else {
uint32_t len;
/* read the link */
status = nfs41_readlink(state->session, &state->file,
NFS41_MAX_PATH_LEN, args->target_get.path, &len);
if (status) {
eprintf("nfs41_readlink() failed with %s\n",
nfs_error_string(status));
status = map_symlink_errors(status);
goto out;
}
args->target_get.len = (unsigned short)len;
dprintf(2, "returning symlink target '%s'\n", args->target_get.path);
}
out:
return status;
}
int marshall_symlink(unsigned char *buffer, uint32_t *length, nfs41_upcall *upcall)