def call_sssd_getnetbyaddr(addrstr, af):
"""
A Python wrapper to retrieve an IP network by address. Returns:
(res, netent_dict)
if res is NssReturnCode.SUCCESS, then netent_dict contains the keys
corresponding to the C netent structure fields. Otherwise, the dictionary
is empty and errno indicates the error code
"""
result = Netent()
result_p = POINTER(Netent)(result)
buff = create_string_buffer(IP_NETWORK_BUFLEN)
if isinstance(addrstr, bytes):
addrstr = addrstr.decode('utf-8')
addr = IPv4Address(addrstr)
binaddr = unpack('<I', addr.packed)[0]
binaddr = socket.ntohl(binaddr)
(res, errno, h_errno, result_p) = getnetbyaddr_r(binaddr, af, result_p,
buff, IP_NETWORK_BUFLEN)
if errno != 0:
raise SssdNssError(errno, "getnetbyaddr_r")
netent_dict = set_netent_dict(res, result_p)
return (res, h_errno, netent_dict)
def getpwent():
result = Passwd()
result_p = POINTER(Passwd)(result)
buff = create_string_buffer(PASSWD_BUFLEN)
res, errno, result_p = getpwent_r(result_p, buff, PASSWD_BUFLEN)
if errno != 0:
raise SssdNssError(errno, "getpwent_r")
user_dict = set_user_dict(res, result_p)
return res, user_dict
def endpwent():
"""
ctypes wrapper for:
void endpwent(void)
"""
func = nss_sss_ctypes_loader("_nss_sss_endpwent")
func.argtypes = []
res = func()
assert res == NssReturnCode.SUCCESS
errno = get_errno()
if errno != 0:
raise SssdNssError(errno, "endpwent")
def call_sssd_getpwnam(name):
"""
A Python wrapper to retrieve a user. Returns:
(res, user_dict)
if res is NssReturnCode.SUCCESS, then user_dict contains the keys
corresponding to the C passwd structure fields. Otherwise, the dictionary
is empty and errno indicates the error code
"""
result = Passwd()
result_p = POINTER(Passwd)(result)
buff = create_string_buffer(PASSWD_BUFLEN)
res, errno, result_p = getpwnam_r(name, result_p, buff, PASSWD_BUFLEN)
if errno != 0:
raise SssdNssError(errno, "getpwnam_r")
user_dict = set_user_dict(res, result_p)
return res, user_dict
def call_sssd_getgrnam(name):
"""
A Python wrapper to retrieve a group. Returns:
(res, group_dict)
if res is NssReturnCode.SUCCESS, then group_dict contains the keys
corresponding to the C passwd structure fields. Otherwise, the dictionary
is empty and errno indicates the error code
"""
result = Group()
result_p = POINTER(Group)(result)
buff = create_string_buffer(GROUP_BUFLEN)
res, errno, result_p = getgrnam_r(name, result_p, buff, GROUP_BUFLEN)
if errno != 0:
raise SssdNssError(errno, "getgrnam_r")
group_dict = set_group_dict(res, result_p)
return res, group_dict
def call_sssd_getnetbyname(name):
"""
A Python wrapper to retrieve an IP network by name. Returns:
(res, netent_dict)
if res is NssReturnCode.SUCCESS, then netent_dict contains the keys
corresponding to the C netent structure fields. Otherwise, the dictionary
is empty and errno indicates the error code
"""
result = Netent()
result_p = POINTER(Netent)(result)
buff = create_string_buffer(IP_NETWORK_BUFLEN)
(res, errno, h_errno, result_p) = getnetbyname_r(name, result_p, buff,
IP_NETWORK_BUFLEN)
if errno != 0:
raise SssdNssError(errno, "getnetbyname_r")
netent_dict = set_netent_dict(res, result_p)
return (res, h_errno, netent_dict)
