Pi-hole/pi-hole
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Update regex to disallow leading zeros

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Also updated a comment to point to a non-experimental RFC.

Signed-off-by: jbzdarkid <jbzdarkid@gmail.com>
This commit is contained in:
jbzdarkid 2021-03-17 18:09:03 -07:00
parent 89c80947df
commit 8090071eff
2 changed files with 13 additions and 3 deletions
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8
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.
local ipv4elem="(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[0-9]{1,2})";
# Regex matching an optional port beginning with # matching optional port number starting '#' with range of 1 to 65536
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}|[0-9]{1,4}))?";
# 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 : 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}${portelem}$"

8
test/test_automated_install.py
View file

@ -555,6 +555,14 @@ def test_validate_ip(Pihole):
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):