Manual:API Python3
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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()