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symlink: open downcall passes symlink target

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on last_error == ERROR_REPARSE, the daemon converts args->path back to wchar and passes it down to the driver

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley 2010-10-12 10:00:57 -04:00
parent 374e7ad083
commit 45a14a17ff
2 changed files with 29 additions and 2 deletions
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17
daemon/open.c
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@ -328,6 +328,23 @@ int marshall_open(unsigned char *buffer, uint32_t *length, nfs41_upcall *upcall)
status = safe_write(&buffer, length, &args->mode, sizeof(args->mode));
if (status) goto out;
status = safe_write(&buffer, length, &args->changeattr, sizeof(args->changeattr));
if (status) goto out;
if (upcall->last_error == ERROR_REPARSE) {
/* convert args->path to wchar */
WCHAR wpath[NFS41_MAX_PATH_LEN];
unsigned short len = (unsigned short)MultiByteToWideChar(
CP_UTF8, 0, args->path.path, args->path.len, wpath, NFS41_MAX_PATH_LEN);
if (len == 0) {
status = ERROR_BUFFER_OVERFLOW;
goto out;
}
wpath[len++] = L'\0';
len *= sizeof(WCHAR);
dprintf(2, "ERROR_REPARSE -> '%S' [%u]\n", wpath, len);
status = safe_write(&buffer, length, &len, sizeof(len));
if (status) goto out;
status = safe_write(&buffer, length, wpath, len);
}
dprintf(2, "NFS41_OPEN: passing open_state=0x%p mode %o changeattr 0x%x\n",
args->state, args->mode, args->changeattr);
out: