def valid_ssh(hostname,
port,
username,
password=None,
pkey=None,
with_expect=True):
try:
private_key = AppSetting.get('private_key')
public_key = AppSetting.get('public_key')
except KeyError:
private_key, public_key = SSH.generate_key()
AppSetting.set('private_key', private_key, 'ssh private key')
AppSetting.set('public_key', public_key, 'ssh public key')
if password:
_cli = SSH(hostname, port, username, password=str(password))
_cli.add_public_key(public_key)
if pkey:
private_key = pkey
try:
cli = SSH(hostname, port, username, private_key)
cli.ping()
except BadAuthenticationType:
if with_expect:
raise TypeError('该主机不支持密钥认证，请参考官方文档，错误代码：E01')
return False
except AuthenticationException:
if password and with_expect:
raise ValueError('密钥认证失败，请参考官方文档，错误代码：E02')
return False
return True
def valid_ssh(hostname, port, username, password, with_expect=True):
try:
private_key = AppSetting.get('private_key') #定义私钥公钥
public_key = AppSetting.get('public_key')
except KeyError: #错误检查
private_key, public_key = SSH.generate_key()
AppSetting.set('private_key', private_key, 'ssh private key')
AppSetting.set('public_key', public_key, 'ssh public key')
cli = SSH(hostname, port, username, private_key)
if password:
_cli = SSH(hostname, port, username, password=str(password))
code, out = _cli.exec_command('mkdir -p -m 700 ~/.ssh && \
echo %r >> ~/.ssh/authorized_keys && \
chmod 600 ~/.ssh/authorized_keys' % public_key)
if code != 0:
raise Exception(f'add public key error: {out!r}')
try:
cli.ping()
except BadAuthenticationType:
if with_expect:
raise TypeError('该主机不支持密钥认证，请参考官方文档，错误代码：E01')
return False
except AuthenticationException:
if password and with_expect:
raise ValueError('密钥认证失败，请参考官方文档，错误代码：E02')
return False
return True
def get_ssh_key(cls):
public_key = cls.get_default('public_key')
private_key = cls.get_default('private_key')
if not private_key or not public_key:
private_key, public_key = SSH.generate_key()
cls.set('private_key', private_key)
cls.set('public_key', public_key)
return private_key, public_key
def valid_ssh(hostname, port, username, password):
try:
private_key = AppSetting.get('private_key')
public_key = AppSetting.get('public_key')
except KeyError:
private_key, public_key = SSH.generate_key()
AppSetting.set('private_key', private_key, 'ssh private key')
AppSetting.set('public_key', public_key, 'ssh public key')
if password:
cli = SSH(hostname, port, username, password=str(password))
code, out = cli.exec_command('mkdir -p -m 700 ~/.ssh && \
echo %r >> ~/.ssh/authorized_keys && \
chmod 600 ~/.ssh/authorized_keys' % public_key)
if code != 0:
raise Exception(f'add public key error: {out!r}')
else:
cli = SSH(hostname, port, username, private_key)
try:
cli.ping()
except AuthenticationException:
return False
return True
