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Add source destination IP support

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This commit is contained in:
Ycarus 2020-06-15 15:53:03 +02:00
parent 710ead09aa
commit ff368e4910
1 changed files with 79 additions and 36 deletions
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115
omr-admin.py
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@ -232,7 +232,7 @@ def file_as_bytes(file):
with file:
return file.read()
def shorewall_add_port(user, port, proto, name, fwtype='ACCEPT'):
def shorewall_add_port(user, port, proto, name, fwtype='ACCEPT', source_dip = ''):
userid = user.userid
if userid is None:
userid = 0
@ -241,38 +241,58 @@ def shorewall_add_port(user, port, proto, name, fwtype='ACCEPT'):
with open('/etc/shorewall/rules', 'r') as f, \
open(tmpfile, 'a+') as n:
for line in f:
if (fwtype == 'ACCEPT' and not port + ' # OMR open ' + name + ' port ' + proto in line and not port + ' # OMR ' + user.username + ' open ' + name + ' port ' + proto in line):
n.write(line)
elif fwtype == 'DNAT' and not port + ' # OMR redirect ' + name + ' port ' + proto in line and not port + ' # OMR ' + user.username + ' redirect ' + name + ' port ' + proto in line:
n.write(line)
if fwtype == 'ACCEPT':
n.write('ACCEPT net $FW ' + proto + ' ' + port + ' # OMR ' + user.username + ' open ' + name + ' port ' + proto + "\n")
elif fwtype == 'DNAT' and userid == 0:
n.write('DNAT net vpn:$OMR_ADDR ' + proto + ' ' + port + ' # OMR ' + user.username + ' redirect ' + name + ' port ' + proto + "\n")
elif fwtype == 'DNAT' and userid != 0:
n.write('DNAT net vpn:$OMR_ADDR_USER' + str(userid) + ' ' + proto + ' ' + port + ' # OMR ' + user.username + ' redirect ' + name + ' port ' + proto + "\n")
if source_dip == '':
if (fwtype == 'ACCEPT' and not port + ' # OMR open ' + name + ' port ' + proto in line and not port + ' # OMR ' + user.username + ' open ' + name + ' port ' + proto in line):
n.write(line)
elif fwtype == 'DNAT' and not port + ' # OMR redirect ' + name + ' port ' + proto in line and not port + ' # OMR ' + user.username + ' redirect ' + name + ' port ' + proto in line:
n.write(line)
else:
if (fwtype == 'ACCEPT' and not '# OMR ' + user.username + ' open ' + name + ' port ' + proto + ' from ' + source_dip in line):
n.write(line)
elif fwtype == 'DNAT' and not '# OMR ' + user.username + ' redirect ' + name + ' port ' + proto + ' from ' + source_dip in line:
n.write(line)
if source_dip == '':
if fwtype == 'ACCEPT':
n.write('ACCEPT net $FW ' + proto + ' ' + port + ' # OMR ' + user.username + ' open ' + name + ' port ' + proto + "\n")
elif fwtype == 'DNAT' and userid == 0:
n.write('DNAT net vpn:$OMR_ADDR ' + proto + ' ' + port + ' # OMR ' + user.username + ' redirect ' + name + ' port ' + proto + "\n")
elif fwtype == 'DNAT' and userid != 0:
n.write('DNAT net vpn:$OMR_ADDR_USER' + str(userid) + ' ' + proto + ' ' + port + ' # OMR ' + user.username + ' redirect ' + name + ' port ' + proto + "\n")
else:
if fwtype == 'ACCEPT':
n.write('ACCEPT net $FW ' + proto + ' ' + port + ' - ' + source_dip + ' # OMR ' + user.username + ' open ' + name + ' port ' + proto + ' from ' + source_dip + "\n")
elif fwtype == 'DNAT' and userid == 0:
n.write('DNAT net vpn:$OMR_ADDR ' + proto + ' ' + port + ' - ' + source_dip + ' # OMR ' + user.username + ' redirect ' + name + ' port ' + proto + ' from ' + source_dip + "\n")
elif fwtype == 'DNAT' and userid != 0:
n.write('DNAT net vpn:$OMR_ADDR_USER' + str(userid) + ' ' + proto + ' ' + port + ' - ' + source_dip + ' # OMR ' + user.username + ' redirect ' + name + ' port ' + proto + ' from ' + source_dip + "\n")
os.close(fd)
move(tmpfile, '/etc/shorewall/rules')
final_md5 = hashlib.md5(file_as_bytes(open('/etc/shorewall/rules', 'rb'))).hexdigest()
if initial_md5 != final_md5:
os.system("systemctl -q reload shorewall")
def shorewall_del_port(username, port, proto, name, fwtype='ACCEPT'):
def shorewall_del_port(username, port, proto, name, fwtype='ACCEPT', source_dip=''):
initial_md5 = hashlib.md5(file_as_bytes(open('/etc/shorewall/rules', 'rb'))).hexdigest()
fd, tmpfile = mkstemp()
with open('/etc/shorewall/rules', 'r') as f, open(tmpfile, 'a+') as n:
for line in f:
if fwtype == 'ACCEPT' and not port + ' # OMR open ' + name + ' port ' + proto in line and not port + ' # OMR ' + username + ' open ' + name + ' port ' + proto in line:
n.write(line)
elif fwtype == 'DNAT' and not port + ' # OMR redirect ' + name + ' port ' + proto in line and not port + ' # OMR ' + username + ' redirect ' + name + ' port ' + proto in line:
n.write(line)
if source_dip == '':
if fwtype == 'ACCEPT' and not port + ' # OMR open ' + name + ' port ' + proto in line and not port + ' # OMR ' + username + ' open ' + name + ' port ' + proto in line:
n.write(line)
elif fwtype == 'DNAT' and not port + ' # OMR redirect ' + name + ' port ' + proto in line and not port + ' # OMR ' + username + ' redirect ' + name + ' port ' + proto in line:
n.write(line)
else:
if fwtype == 'ACCEPT' and not port + '# OMR ' + username + ' open ' + name + ' port ' + proto + ' from ' + source_dip in line:
n.write(line)
elif fwtype == 'DNAT' and not port + '# OMR ' + username + ' redirect ' + name + ' port ' + proto + ' from ' + source_dip in line:
n.write(line)
os.close(fd)
move(tmpfile, '/etc/shorewall/rules')
final_md5 = hashlib.md5(file_as_bytes(open('/etc/shorewall/rules', 'rb'))).hexdigest()
if initial_md5 != final_md5:
os.system("systemctl -q reload shorewall")
def shorewall6_add_port(user, port, proto, name, fwtype='ACCEPT'):
def shorewall6_add_port(user, port, proto, name, fwtype='ACCEPT', source_dip=''):
userid = user.userid
if userid is None:
userid = 0
@ -280,31 +300,51 @@ def shorewall6_add_port(user, port, proto, name, fwtype='ACCEPT'):
fd, tmpfile = mkstemp()
with open('/etc/shorewall6/rules', 'r') as f, open(tmpfile, 'a+') as n:
for line in f:
if fwtype == 'ACCEPT' and not port + ' # OMR open ' + name + ' port ' + proto in line and not port + ' # OMR ' + user.username + ' open ' + name + ' port ' + proto in line:
n.write(line)
elif fwtype == 'DNAT' and not port + ' # OMR redirect ' + name + ' port ' + proto in line and not port + ' # OMR ' + user.username + ' redirect ' + name + ' port ' + proto in line:
n.write(line)
if fwtype == 'ACCEPT':
n.write('ACCEPT net $FW ' + proto + ' ' + port + ' # OMR ' + user.username + ' open ' + name + ' port ' + proto + "\n")
elif fwtype == 'DNAT' and userid == 0:
n.write('DNAT net vpn:$OMR_ADDR ' + proto + ' ' + port + ' # OMR ' + user.username + ' redirect ' + name + ' port ' + proto + "\n")
elif fwtype == 'DNAT' and userid != 0:
n.write('DNAT net vpn:$OMR_ADDR_USER' + str(userid) + ' ' + proto + ' ' + port + ' # OMR ' + user.username + ' redirect ' + name + ' port ' + proto + "\n")
if source_dip == '':
if fwtype == 'ACCEPT' and not port + ' # OMR open ' + name + ' port ' + proto in line and not port + ' # OMR ' + user.username + ' open ' + name + ' port ' + proto in line:
n.write(line)
elif fwtype == 'DNAT' and not port + ' # OMR redirect ' + name + ' port ' + proto in line and not port + ' # OMR ' + user.username + ' redirect ' + name + ' port ' + proto in line:
n.write(line)
else:
if fwtype == 'ACCEPT' and not port + '# OMR ' + user.username + ' open ' + name + ' port ' + proto + ' from ' + source_dip in line:
n.write(line)
elif fwtype == 'DNAT' and not port + '# OMR ' + user.username + ' redirect ' + name + ' port ' + proto + ' from ' + source_dip in line:
n.write(line)
if source_dip == '':
if fwtype == 'ACCEPT':
n.write('ACCEPT net $FW ' + proto + ' ' + port + ' # OMR ' + user.username + ' open ' + name + ' port ' + proto + "\n")
elif fwtype == 'DNAT' and userid == 0:
n.write('DNAT net vpn:$OMR_ADDR ' + proto + ' ' + port + ' # OMR ' + user.username + ' redirect ' + name + ' port ' + proto + "\n")
elif fwtype == 'DNAT' and userid != 0:
n.write('DNAT net vpn:$OMR_ADDR_USER' + str(userid) + ' ' + proto + ' ' + port + ' # OMR ' + user.username + ' redirect ' + name + ' port ' + proto + "\n")
else:
if fwtype == 'ACCEPT':
n.write('ACCEPT net $FW ' + proto + ' ' + port + ' - ' + source_dip + ' # OMR ' + user.username + ' open ' + name + ' port ' + proto + ' from ' + source_dip + "\n")
elif fwtype == 'DNAT' and userid == 0:
n.write('DNAT net vpn:$OMR_ADDR ' + proto + ' ' + port + ' - ' + source_dip + ' # OMR ' + user.username + ' redirect ' + name + ' port ' + proto + ' from ' + source_dip + "\n")
elif fwtype == 'DNAT' and userid != 0:
n.write('DNAT net vpn:$OMR_ADDR_USER' + str(userid) + ' ' + proto + ' ' + port + ' - ' + source_dip + ' # OMR ' + user.username + ' redirect ' + name + ' port ' + proto + ' from ' + source_dip + "\n")
os.close(fd)
move(tmpfile, '/etc/shorewall6/rules')
final_md5 = hashlib.md5(file_as_bytes(open('/etc/shorewall6/rules', 'rb'))).hexdigest()
if initial_md5 != final_md5:
os.system("systemctl -q reload shorewall6")
def shorewall6_del_port(username, port, proto, name, fwtype='ACCEPT'):
def shorewall6_del_port(username, port, proto, name, fwtype='ACCEPT', source_dip=''):
initial_md5 = hashlib.md5(file_as_bytes(open('/etc/shorewall6/rules', 'rb'))).hexdigest()
fd, tmpfile = mkstemp()
with open('/etc/shorewall6/rules', 'r') as f, open(tmpfile, 'a+') as n:
for line in f:
if fwtype == 'ACCEPT' and not port + ' # OMR open ' + name + ' port ' + proto in line and not port + ' # OMR ' + username + ' open ' + name + ' port ' + proto in line:
n.write(line)
elif fwtype == 'DNAT' and not port + ' # OMR redirect ' + name + ' port ' + proto in line and not port + ' # OMR ' + username + ' redirect ' + name + ' port ' + proto in line:
n.write(line)
if source_dip == '':
if fwtype == 'ACCEPT' and not port + ' # OMR open ' + name + ' port ' + proto in line and not port + ' # OMR ' + username + ' open ' + name + ' port ' + proto in line:
n.write(line)
elif fwtype == 'DNAT' and not port + ' # OMR redirect ' + name + ' port ' + proto in line and not port + ' # OMR ' + username + ' redirect ' + name + ' port ' + proto in line:
n.write(line)
else:
if fwtype == 'ACCEPT' and not '# OMR ' + username + ' open ' + name + ' port ' + proto + ' from ' + source_dip in line:
n.write(line)
elif fwtype == 'DNAT' and not '# OMR ' + username + ' redirect ' + name + ' port ' + proto + ' from ' + source_dip in line:
n.write(line)
os.close(fd)
move(tmpfile, '/etc/shorewall6/rules')
final_md5 = hashlib.md5(file_as_bytes(open('/etc/shorewall6/rules', 'rb'))).hexdigest()
@ -1137,6 +1177,7 @@ class Shorewallparams(BaseModel):
proto: str
fwtype: str
ipproto: str = "ipv4"
source_dip: str = ""
@app.post('/shorewallopen')
def shorewall_open(*, params: Shorewallparams, current_user: User = Depends(get_current_user)):
@ -1146,12 +1187,13 @@ def shorewall_open(*, params: Shorewallparams, current_user: User = Depends(get_
port = params.port
proto = params.proto
fwtype = params.fwtype
source_dip = params.source_dip
if name is None:
return {'result': 'error', 'reason': 'Invalid parameters', 'route': 'shorewallopen'}
if params.ipproto == 'ipv4':
shorewall_add_port(current_user, str(port), proto, name, fwtype)
shorewall_add_port(current_user, str(port), proto, name, fwtype, source_dip)
else:
shorewall6_add_port(current_user, str(port), proto, name, fwtype)
shorewall6_add_port(current_user, str(port), proto, name, fwtype, source_dip)
return {'result': 'done', 'reason': 'changes applied'}
@app.post('/shorewallclose')
@ -1162,12 +1204,13 @@ def shorewall_close(*, params: Shorewallparams, current_user: User = Depends(get
port = params.port
proto = params.proto
fwtype = params.fwtype
source_dip = params.source_dip
if name is None:
return {'result': 'error', 'reason': 'Invalid parameters', 'route': 'shorewallclose'}
if params.ipproto == 'ipv4':
shorewall_del_port(current_user.username, str(port), proto, name, fwtype)
shorewall_del_port(current_user.username, str(port), proto, name, fwtype, source_dip)
else:
shorewall6_del_port(current_user.username, str(port), proto, name, fwtype)
shorewall6_del_port(current_user.username, str(port), proto, name, fwtype, source_dip)
return {'result': 'done', 'reason': 'changes applied', 'route': 'shorewallclose'}
# Set MPTCP config