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Refactor algorithm functions.

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This commit is contained in:
Andris Raugulis 2016-09-17 05:38:11 +03:00
parent adba0ea08a
commit ddc5ea22f5
1 changed files with 10 additions and 9 deletions
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19
ssh-audit.py
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@ -1065,24 +1065,24 @@ def get_alg_since_text(alg_desc):
return 'available since ' + ', '.join(tv).rstrip(', ') return 'available since ' + ', '.join(tv).rstrip(', ')
def output_algorithms(title, alg_type, algorithms, maxlen=0): def output_algorithms(title, alg_db, alg_type, algorithms, maxlen=0):
with OutputBuffer() as obuf: with OutputBuffer() as obuf:
for algorithm in algorithms: for algorithm in algorithms:
output_algorithm(alg_type, algorithm, maxlen) output_algorithm(alg_db, alg_type, algorithm, maxlen)
if len(obuf) > 0: if len(obuf) > 0:
out.head('# ' + title) out.head('# ' + title)
obuf.flush() obuf.flush()
out.sep() out.sep()
def output_algorithm(alg_type, alg_name, alg_max_len=0): def output_algorithm(alg_db, alg_type, alg_name, alg_max_len=0):
prefix = '(' + alg_type + ') ' prefix = '(' + alg_type + ') '
if alg_max_len == 0: if alg_max_len == 0:
alg_max_len = len(alg_name) alg_max_len = len(alg_name)
padding = '' if out.batch else ' ' * (alg_max_len - len(alg_name)) padding = '' if out.batch else ' ' * (alg_max_len - len(alg_name))
texts = [] texts = []
if alg_name in KexDB.ALGORITHMS[alg_type]: if alg_name in alg_db[alg_type]:
alg_desc = KexDB.ALGORITHMS[alg_type][alg_name] alg_desc = alg_db[alg_type][alg_name]
ldesc = len(alg_desc) ldesc = len(alg_desc)
for idx, level in enumerate(['fail', 'warn', 'info']): for idx, level in enumerate(['fail', 'warn', 'info']):
if level == 'info': if level == 'info':
@ -1210,14 +1210,15 @@ def output(banner, header, kex=None, pkm=None):
output_security(banner, maxlen) output_security(banner, maxlen)
if kex is None: if kex is None:
return return
alg_db = KexDB.ALGORITHMS
title, alg_type = 'key exchange algorithms', 'kex' title, alg_type = 'key exchange algorithms', 'kex'
output_algorithms(title, alg_type, kex.kex_algorithms, maxlen) output_algorithms(title, alg_db, alg_type, kex.kex_algorithms, maxlen)
title, alg_type = 'host-key algorithms', 'key' title, alg_type = 'host-key algorithms', 'key'
output_algorithms(title, alg_type, kex.key_algorithms, maxlen) output_algorithms(title, alg_db, alg_type, kex.key_algorithms, maxlen)
title, alg_type = 'encryption algorithms (ciphers)', 'enc' title, alg_type = 'encryption algorithms (ciphers)', 'enc'
output_algorithms(title, alg_type, kex.server.encryption, maxlen) output_algorithms(title, alg_db, alg_type, kex.server.encryption, maxlen)
title, alg_type = 'message authentication code algorithms', 'mac' title, alg_type = 'message authentication code algorithms', 'mac'
output_algorithms(title, alg_type, kex.server.mac, maxlen) output_algorithms(title, alg_db, alg_type, kex.server.mac, maxlen)
def parse_int(v): def parse_int(v):