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lib: Add general py_reparse_get parsing routine

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Will superseed py_reparse_symlink_get

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Volker Lendecke 2024-06-17 19:50:18 +02:00 committed by Jeremy Allison
parent e4d6a19e49
commit 6cfa378833
1 changed files with 84 additions and 0 deletions
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84
libcli/smb/py_reparse_symlink.c
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@ -71,6 +71,86 @@ static PyObject *py_reparse_put(PyObject *module, PyObject *args)
return result;
}
static PyObject *py_reparse_get(PyObject *module, PyObject *args)
{
char *buf = NULL;
Py_ssize_t buflen;
PyObject *result = NULL;
struct reparse_data_buffer *rep = NULL;
bool ok;
NTSTATUS status;
ok = PyArg_ParseTuple(args, PYARG_BYTES_LEN ":get", &buf, &buflen);
if (!ok) {
return NULL;
}
rep = talloc(NULL, struct reparse_data_buffer);
if (rep == NULL) {
PyErr_NoMemory();
return NULL;
}
status = reparse_data_buffer_parse(rep, rep, (uint8_t *)buf, buflen);
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(rep);
PyErr_SetNTSTATUS(status);
return NULL;
}
switch (rep->tag) {
case IO_REPARSE_TAG_SYMLINK: {
const struct symlink_reparse_struct *lnk = &rep->parsed.lnk;
result = Py_BuildValue("s(ssII)",
"IO_REPARSE_TAG_SYMLINK",
lnk->substitute_name,
lnk->print_name,
(unsigned)lnk->unparsed_path_length,
(unsigned)lnk->flags);
break;
}
case IO_REPARSE_TAG_NFS: {
const struct nfs_reparse_data_buffer *nfs = &rep->parsed.nfs;
switch (nfs->type) {
case NFS_SPECFILE_LNK:
result = Py_BuildValue("ss",
"NFS_SPECFILE_LNK",
nfs->data.lnk_target);
break;
case NFS_SPECFILE_BLK:
result = Py_BuildValue("sII",
"NFS_SPECFILE_BLK",
(unsigned)nfs->data.dev.major,
(unsigned)nfs->data.dev.minor);
break;
case NFS_SPECFILE_CHR:
result = Py_BuildValue("sII",
"NFS_SPECFILE_CHR",
(unsigned)nfs->data.dev.major,
(unsigned)nfs->data.dev.minor);
break;
case NFS_SPECFILE_FIFO:
result = Py_BuildValue("(s)", "NFS_SPECFILE_FIFO");
break;
case NFS_SPECFILE_SOCK:
result = Py_BuildValue("(s)", "NFS_SPECFILE_SOCK");
break;
}
}
}
if (result == NULL) {
result = Py_BuildValue("Iy#I",
(unsigned)rep->tag,
(const char *)rep->parsed.raw.data,
(Py_ssize_t)rep->parsed.raw.length,
(unsigned)rep->parsed.raw.reserved);
}
TALLOC_FREE(rep);
return result;
}
static PyObject *py_reparse_symlink_put(PyObject *module, PyObject *args)
{
int unparsed = 0;
@ -167,6 +247,10 @@ static PyMethodDef py_reparse_symlink_methods[] = {
PY_DISCARD_FUNC_SIG(PyCFunction, py_reparse_put),
METH_VARARGS,
"Create a reparse point blob"},
{ "get",
PY_DISCARD_FUNC_SIG(PyCFunction, py_reparse_get),
METH_VARARGS,
"Parse a reparse point blob"},
{ "symlink_put",
PY_DISCARD_FUNC_SIG(PyCFunction, py_reparse_symlink_put),
METH_VARARGS,