Manual:API Python3
Summary
Since python language have introduced changes to syntax when going from 2.x to 3.x some adjustments had to be made for old code from API.
Code for Python3
code
#!/usr/bin/python3
# -*- coding: latin-1 -*-
import sys, posix, time, binascii, socket, select
import hashlib
class ApiRos:
"Routeros api"
def __init__(self, sk):
self.sk = sk
self.currenttag = 0
def login(self, username, pwd):
for repl, attrs in self.talk(["/login"]):
chal = binascii.unhexlify((attrs['=ret']).encode('UTF-8'))
md = hashlib.md5()
md.update(b'\x00')
md.update(pwd.encode('UTF-8'))
md.update(chal)
self.talk(["/login", "=name=" + username,
"=response=00" + binascii.hexlify(md.digest()).decode('UTF-8') ])
def talk(self, words):
if self.writeSentence(words) == 0: return
r = []
while 1:
i = self.readSentence();
if len(i) == 0: continue
reply = i[0]
attrs = {}
for w in i[1:]:
j = w.find('=', 1)
if (j == -1):
attrs[w] = ''
else:
attrs[w[:j]] = w[j+1:]
r.append((reply, attrs))
if reply == '!done': return r
def writeSentence(self, words):
ret = 0
for w in words:
self.writeWord(w)
ret += 1
self.writeWord('')
return ret
def readSentence(self):
r = []
while 1:
w = self.readWord()
if w == '': return r
r.append(w)
def writeWord(self, w):
print(("<<< " + w))
self.writeLen(len(w))
self.writeStr(w)
def readWord(self):
ret = self.readStr(self.readLen())
print((">>> " + ret))
return ret
def writeLen(self, l):
if l < 0x80:
self.writeByte((l).to_bytes(1, sys.byteorder))
elif l < 0x4000:
l |= 0x8000
tmp = (l >> 8) & 0xFF
self.writeByte(((l >> 8) & 0xFF).to_bytes(1, sys.byteorder))
self.writeByte((l & 0xFF).to_bytes(1, sys.byteorder))
elif l < 0x200000:
l |= 0xC00000
self.writeByte(((l >> 16) & 0xFF).to_bytes(1, sys.byteorder))
self.writeByte(((l >> 8) & 0xFF).to_bytes(1, sys.byteorder))
self.writeByte((l & 0xFF).to_bytes(1, sys.byteorder))
elif l < 0x10000000:
l |= 0xE0000000
self.writeByte(((l >> 24) & 0xFF).to_bytes(1, sys.byteorder))
self.writeByte(((l >> 16) & 0xFF).to_bytes(1, sys.byteorder))
self.writeByte(((l >> 8) & 0xFF).to_bytes(1, sys.byteorder))
self.writeByte((l & 0xFF).to_bytes(1, sys.byteorder))
else:
self.writeByte((0xF0).to_bytes(1, sys.byteorder))
self.writeByte(((l >> 24) & 0xFF).to_bytes(1, sys.byteorder))
self.writeByte(((l >> 16) & 0xFF).to_bytes(1, sys.byteorder))
self.writeByte(((l >> 8) & 0xFF).to_bytes(1, sys.byteorder))
self.writeByte((l & 0xFF).to_bytes(1, sys.byteorder))
def readLen(self):
c = ord(self.readStr(1))
if (c & 0x80) == 0x00:
pass
elif (c & 0xC0) == 0x80:
c &= ~0xC0
c <<= 8
c += ord(self.readStr(1))
elif (c & 0xE0) == 0xC0:
c &= ~0xE0
c <<= 8
c += ord(self.readStr(1))
c <<= 8
c += ord(self.readStr(1))
elif (c & 0xF0) == 0xE0:
c &= ~0xF0
c <<= 8
c += ord(self.readStr(1))
c <<= 8
c += ord(self.readStr(1))
c <<= 8
c += ord(self.readStr(1))
elif (c & 0xF8) == 0xF0:
c = ord(self.readStr(1))
c <<= 8
c += ord(self.readStr(1))
c <<= 8
c += ord(self.readStr(1))
c <<= 8
c += ord(self.readStr(1))
return c
def writeStr(self, str):
n = 0;
while n < len(str):
r = self.sk.send(bytes(str[n:], 'UTF-8'))
if r == 0: raise RuntimeError("connection closed by remote end")
n += r
def writeByte(self, str):
n = 0;
while n < len(str):
r = self.sk.send(str[n:])
if r == 0: raise RuntimeError("connection closed by remote end")
n += r
def readStr(self, length):
ret = ''
while len(ret) < length:
s = self.sk.recv(length - len(ret))
if s == '': raise RuntimeError("connection closed by remote end")
ret += s.decode('UTF-8', 'replace')
return ret
def main():
s = None
for res in socket.getaddrinfo(sys.argv[1], "8728", socket.AF_UNSPEC, socket.SOCK_STREAM):
af, socktype, proto, canonname, sa = res
try:
s = socket.socket(af, socktype, proto)
except (socket.error, msg):
s = None
continue
try:
s.connect(sa)
except (socket.error, msg):
s.close()
s = None
continue
break
if s is None:
print ('could not open socket')
sys.exit(1)
apiros = ApiRos(s);
apiros.login(sys.argv[2], sys.argv[3]);
inputsentence = []
while 1:
r = select.select([s, sys.stdin], [], [], None)
if s in r[0]:
# something to read in socket, read sentence
x = apiros.readSentence()
if sys.stdin in r[0]:
# read line from input and strip off newline
l = sys.stdin.readline()
l = l[:-1]
# if empty line, send sentence and start with new
# otherwise append to input sentence
if l == '':
apiros.writeSentence(inputsentence)
inputsentence = []
else:
inputsentence.append(l)
if __name__ == '__main__':
main()