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Add handling for macOS brew library to prevent libnss.so not found error. #14

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Add handling for macOS brew library to prevent libnss.so not found error. #14

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13 changes: 11 additions & 2 deletions firefed/feature/logins.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
import base64
import ctypes
from ctypes import CDLL, byref, c_char_p, c_void_p, cast, string_at
from ctypes.util import find_library
import getpass

import attr
Expand Down Expand Up @@ -38,7 +39,15 @@ def __init__(self, libnss='libnss3.so', path='.'):
try:
self.nss = nss = CDLL(libnss)
except OSError as e:
fatal('Can\'t open libnss: %s' % e)
auto = find_library('nss3')
if auto is None:
fatal("Can't open libnss: %s" % e)

try:
self.nss = nss = CDLL(auto)
except OSError as e2:
fatal("Can't open auto-detected libnss '%s': %s" % (auto, e2))

nss.PR_ErrorToString.restype = c_char_p
nss.PR_ErrorToName.restype = c_char_p
nss.PK11_GetInternalKeySlot.restype = c_void_p
Expand Down Expand Up @@ -94,7 +103,7 @@ class Logins(Feature):
"""

libnss = arg('-l', '--libnss', default='libnss3.so',
help='path to libnss3')
help='path to NSS library (auto-detected if default fails)')
password = arg('-p', '--master-password',
help='profile\'s master password (If not set, an empty '
'password is tried. If that fails, you\'re prompted.)')
Expand Down