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Lines 7-13
from portage_exception import PortageExc
Link Here
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import portage_exception |
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import portage_exception |
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from portage_dep import isvalidatom |
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from portage_dep import isvalidatom |
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import sys,string,shlex,os,errno |
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import os, errno, shlex, stat, string, sys |
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try: |
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try: |
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import cPickle |
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import cPickle |
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except ImportError: |
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except ImportError: |
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Lines 829-861
class ConfigProtect(object):
Link Here
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| 829 |
self.updateprotect() |
829 |
self.updateprotect() |
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830 |
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def updateprotect(self): |
831 |
def updateprotect(self): |
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#do some config file management prep |
832 |
"""Update internal state for isprotected() calls. Nonexistent paths |
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833 |
are ignored.""" |
| 833 |
self.protect = [] |
834 |
self.protect = [] |
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835 |
self._dirs = set() |
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for x in self.protect_list: |
836 |
for x in self.protect_list: |
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ppath = normalize_path( |
837 |
ppath = normalize_path( |
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os.path.join(self.myroot, x.lstrip(os.path.sep))) + os.path.sep |
838 |
os.path.join(self.myroot, x.lstrip(os.path.sep))) |
| 837 |
if os.path.isdir(ppath): |
839 |
mystat = None |
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840 |
try: |
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if stat.S_ISDIR(os.lstat(ppath).st_mode): |
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self._dirs.add(ppath) |
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self.protect.append(ppath) |
843 |
self.protect.append(ppath) |
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844 |
except OSError: |
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# If it doesn't exist, there's no need to protect it. |
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pass |
| 839 |
|
847 |
|
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self.protectmask = [] |
848 |
self.protectmask = [] |
| 841 |
for x in self.mask_list: |
849 |
for x in self.mask_list: |
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ppath = normalize_path( |
850 |
ppath = normalize_path( |
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os.path.join(self.myroot, x.lstrip(os.path.sep))) + os.path.sep |
851 |
os.path.join(self.myroot, x.lstrip(os.path.sep))) |
| 844 |
if os.path.isdir(ppath): |
852 |
mystat = None |
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853 |
try: |
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if stat.S_ISDIR(os.lstat(ppath).st_mode): |
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self._dirs.add(ppath) |
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self.protectmask.append(ppath) |
856 |
self.protectmask.append(ppath) |
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#if it doesn't exist, silently skip it |
857 |
except OSError: |
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858 |
# If it doesn't exist, there's no need to mask it. |
| 859 |
pass |
| 847 |
|
860 |
|
| 848 |
def isprotected(self, obj): |
861 |
def isprotected(self, obj): |
| 849 |
"""Checks if obj is in the current protect/mask directories. Returns |
862 |
"""Returns True if obj is protected, False otherwise. The caller must |
| 850 |
0 on unprotected/masked, and 1 on protected.""" |
863 |
ensure that obj is normalized with a single leading slash. A trailing |
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864 |
slash is optional for directories.""" |
| 851 |
masked = 0 |
865 |
masked = 0 |
| 852 |
protected = 0 |
866 |
protected = 0 |
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|
867 |
sep = os.path.sep |
| 853 |
for ppath in self.protect: |
868 |
for ppath in self.protect: |
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if len(ppath) > masked and obj.startswith(ppath): |
869 |
if len(ppath) > masked and obj.startswith(ppath): |
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870 |
if ppath in self._dirs: |
| 871 |
if obj != ppath and not obj.startswith(ppath + sep): |
| 872 |
# /etc/foo does not match /etc/foobaz |
| 873 |
continue |
| 874 |
elif obj != ppath: |
| 875 |
# force exact match when CONFIG_PROTECT lists a |
| 876 |
# non-directory |
| 877 |
continue |
| 855 |
protected = len(ppath) |
878 |
protected = len(ppath) |
| 856 |
#config file management |
879 |
#config file management |
| 857 |
for pmpath in self.protectmask: |
880 |
for pmpath in self.protectmask: |
| 858 |
if len(pmpath) >= protected and obj.startswith(pmpath): |
881 |
if len(pmpath) >= protected and obj.startswith(pmpath): |
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|
882 |
if pmpath in self._dirs: |
| 883 |
if obj != pmpath and \ |
| 884 |
not obj.startswith(pmpath + sep): |
| 885 |
# /etc/foo does not match /etc/foobaz |
| 886 |
continue |
| 887 |
elif obj != pmpath: |
| 888 |
# force exact match when CONFIG_PROTECT_MASK lists |
| 889 |
# a non-directory |
| 890 |
continue |
| 859 |
#skip, it's in the mask |
891 |
#skip, it's in the mask |
| 860 |
masked = len(pmpath) |
892 |
masked = len(pmpath) |
| 861 |
return protected > masked |
893 |
return protected > masked |
