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Validate and convert certificate SN

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The cert plugin only worked OK with decimal certificate serial numbers.
This patch allows specifying the serial number in hexadecimal, too. The
conversion now works such that:
 * with no explicit radix, a best-effort conversion is done using int(str,
   0) in python. If the format is ambiguous, decimal takes precedence.
 * a hexadecimal radix can be specified explicitly with the traditional
   0x prefix

https://fedorahosted.org/freeipa/ticket/958
https://fedorahosted.org/freeipa/ticket/953
This commit is contained in:
Jakub Hrozek 2011-02-16 13:07:13 +01:00 committed by Rob Crittenden
parent 669c9d1180
commit 36070555d1
2 changed files with 31 additions and 3 deletions
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6
API.txt
View File

@ -303,7 +303,7 @@ output: Output('count', <type 'int'>, Gettext('', domain='ipa', localedir=None))
output: Output('results', <type 'list'>, Gettext('', domain='ipa', localedir=None))
command: cert_remove_hold
args: 1,0,1
arg: Str('serial_number', label=Gettext('Serial number', domain='ipa', localedir=None))
arg: Str('serial_number', validate_serial_number, label=Gettext('Serial number', domain='ipa', localedir=None), normalizer=normalize_serial_number)
output: Output('result', None, None)
command: cert_request
args: 1,3,1
@ -314,12 +314,12 @@ option: Flag('add', autofill=True, default=False,lag('add', autofill=True, defau
output: Output('result', <type 'dict'>, Gettext('Dictionary mapping variable name to value', domain='ipa', localedir=None))
command: cert_revoke
args: 1,1,1
arg: Str('serial_number', label=Gettext('Serial number', domain='ipa', localedir=None))
arg: Str('serial_number', validate_serial_number, label=Gettext('Serial number', domain='ipa', localedir=None), normalizer=normalize_serial_number)
option: Int('revocation_reason?', default=0, label=Gettext('Reason', domain='ipa', localedir=None), maxvalue=10, minvalue=0)
output: Output('result', None, None)
command: cert_show
args: 1,1,1
arg: Str('serial_number', label=Gettext('Serial number', domain='ipa', localedir=None))
arg: Str('serial_number', validate_serial_number, label=Gettext('Serial number', domain='ipa', localedir=None), normalizer=normalize_serial_number)
option: Str('out?', exclude='webui', label=Gettext('Output filename', domain='ipa', localedir=None))
output: Output('result', None, None)
command: cert_status

28
ipalib/plugins/cert.py
View File

@ -141,6 +141,32 @@ def normalize_csr(csr):
return csr
def _convert_serial_number(num):
"""
Convert a SN given in decimal or hexadecimal.
Returns the number or None if conversion fails.
"""
# plain decimal or hexa with radix prefix
try:
num = int(num, 0)
except ValueError:
try:
# hexa without prefix
num = int(num, 16)
except ValueError:
num = None
return num
def validate_serial_number(ugettext, num):
if _convert_serial_number(num) == None:
return u"Decimal or hexadecimal number is required for serial number"
return None
def normalize_serial_number(num):
# It's been already validated
return unicode(_convert_serial_number(num))
def get_host_from_principal(principal):
"""
Given a principal with or without a realm return the
@ -378,8 +404,10 @@ api.register(cert_status)
_serial_number = Str('serial_number',
validate_serial_number,
label=_('Serial number'),
doc=_('Serial number in decimal or if prefixed with 0x in hexadecimal'),
normalizer=normalize_serial_number,
)
class cert_show(VirtualCommand):