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Merge pull request #4083 from jbzdarkid/patch-2

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Improve regexes for IPv4 matching
This commit is contained in:
Adam Warner 2021-04-12 21:12:20 +01:00 committed by GitHub
commit c6e3805bbb
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2 changed files with 38 additions and 34 deletions
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6
automated install/basic-install.sh
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@ -1018,9 +1018,11 @@ valid_ip() {
local stat=1
# Regex matching one IPv4 component, i.e. an integer from 0 to 255.
# See https://tools.ietf.org/html/rfc1340
local ipv4elem="(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]?|0)";
# Regex matching an optional port beginning with # matching optional port number starting '#' with range of 1 to 65536
local portelem="(#([1-9]|[1-8][0-9]|9[0-9]|[1-8][0-9]{2}|9[0-8][0-9]|99[0-9]|[1-8][0-9]{3}|9[0-8][0-9]{2}|99[0-8][0-9]|999[0-9]|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-6]))?"
# Regex matching an optional port beginning with : from 0 to 65535
# See https://tools.ietf.org/html/rfc1340#page-33
local portelem="(:(6553[0-5]|655[0-2][0-9]|65[0-4][0-9]{2}|6[0-4][0-9]{3}|[1-5][0-9]{4}|[1-9][0-9]{0,3}|0))?";
# Build a full IPv4 regex from the above subexpressions
local regex="^${ipv4elem}\.${ipv4elem}\.${ipv4elem}\.${ipv4elem}${portelem}$"

62
test/test_automated_install.py
View File

@ -524,43 +524,45 @@ def test_IPv6_ULA_GUA_test(Pihole):
assert expected_stdout in detectPlatform.stdout
def test_validate_ip_valid(Pihole):
def test_validate_ip(Pihole):
'''
Given a valid IP address, valid_ip returns success
Tests valid_ip for various IP addresses
'''
def test_address(addr, success=True):
output = Pihole.run('''
source /opt/pihole/basic-install.sh
valid_ip "192.168.1.1"
''')
valid_ip "{addr}"
'''.format(addr=addr))
assert output.rc == 0
assert output.rc == 0 if success else 1
def test_validate_ip_invalid_octet(Pihole):
'''
Given an invalid IP address (large octet), valid_ip returns an error
'''
output = Pihole.run('''
source /opt/pihole/basic-install.sh
valid_ip "1092.168.1.1"
''')
assert output.rc == 1
def test_validate_ip_invalid_letters(Pihole):
'''
Given an invalid IP address (contains letters), valid_ip returns an error
'''
output = Pihole.run('''
source /opt/pihole/basic-install.sh
valid_ip "not an IP"
''')
assert output.rc == 1
test_address('192.168.1.1')
test_address('127.0.0.1')
test_address('255.255.255.255')
test_address('255.255.255.256', False)
test_address('255.255.256.255', False)
test_address('255.256.255.255', False)
test_address('256.255.255.255', False)
test_address('1092.168.1.1', False)
test_address('not an IP', False)
test_address('8.8.8.8:', False)
test_address('8.8.8.8:0')
test_address('8.8.8.8:1')
test_address('8.8.8.8:42')
test_address('8.8.8.8:888')
test_address('8.8.8.8:1337')
test_address('8.8.8.8:65535')
test_address('8.8.8.8:65536', False)
test_address('8.8.8.8:-1', False)
test_address('00.0.0.0', False)
test_address('010.0.0.0', False)
test_address('001.0.0.0', False)
test_address('0.0.0.0:00', False)
test_address('0.0.0.0:01', False)
test_address('0.0.0.0:001', False)
test_address('0.0.0.0:0001', False)
test_address('0.0.0.0:00001', False)
def test_os_check_fails(Pihole):