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#!/usr/bin/python
# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
import os,sys,re
try:
import portage
except ImportError:
sys.path.insert(0, "/usr/lib/portage/pym")
import portage
from stat import *
from output import *
from portage import lockfile,unlockfile,VDB_PATH,root
mylog = open("/var/log/emerge_fix-db.log", "a")
def writemsg(msg):
if msg[-1] != '\n':
msg += "\n"
sys.stderr.write(msg)
sys.stderr.flush()
mylog.write(msg)
mylog.flush()
def fix_global_counter(value):
myf = open("/var/cache/edb/counter")
newvalue = value+1000
myf.write(str(newvalue))
myf.flush()
myf.close()
return newvalue
bad = {}
counters = {}
times = {}
try:
real_counter = long(open("/var/cache/edb/counter").read())
except SystemExit, e:
raise # This needs to be propogated
except:
writemsg("ERROR: Real counter is invalid.\n")
real_counter = 0
vardbdir = root+VDB_PATH+"/"
for cat in os.listdir(vardbdir):
catdir = vardbdir+cat+"/"
if not os.path.isdir(catdir):
writemsg("Invalid file: '%s'\n" % catdir[:-1])
continue
for pkg in os.listdir(catdir):
pkgdir = catdir+pkg+"/"
catpkg = cat+"/"+pkg
if not os.path.isdir(catdir):
writemsg("Invalid file: '%s'\n" % pkgdir)
continue
bad[catpkg] = []
pkgdirlist = os.listdir(pkgdir)
if not pkgdirlist:
writemsg("ERROR: Package directory is empty for '%s'\n" % catpkg)
writemsg(" Deleting this directory. Remerge if you want it back.\n")
os.rmdir(pkgdir)
del bad[catpkg]
continue
if "CONTENTS" not in pkgdirlist:
bad[catpkg] += ["CONTENTS is missing"]
times[catpkg] = -1
writemsg("ERROR: Contents file is missing from the package directory.\n")
writemsg(" '%s' is corrupt and should be deleted.\n" % catpkg)
else:
times[catpkg] = None
for line in open(pkgdir+"CONTENTS").readlines():
mysplit = line.split()
if mysplit[0] == "obj":
try:
times[catpkg] = long(mysplit[-1])
except SystemExit, e:
raise # This needs to be propogated
except:
times[catpkg] = -1
bad[catpkg] += ["CONTENTS is corrupt"]
writemsg("ERROR: Corrupt CONTENTS file in '%s'\n" % catpkg)
writemsg(" This package should be deleted.\n")
break
if times[catpkg] == None:
times[catpkg] = os.stat(pkgdir+"CONTENTS")[ST_MTIME]
if "COUNTER" not in pkgdirlist:
bad[catpkg] += ["COUNTER is missing"]
writemsg("ERROR: COUNTER file missing from '%s'.\n" % catpkg)
counters[catpkg] = -1
else:
try:
counters[catpkg] = long(open(pkgdir+"COUNTER").read().strip())
if counters[catpkg] > real_counter:
writemsg("ERROR: Global counter is lower than the '%s' COUNTER." % catpkg)
real_counter = fix_global_counter(counters[catpkg])
except SystemExit, e:
raise # This needs to be propogated
except:
bad[catpkg] += ["COUNTER is corrupt"]
counters[catpkg] = -1
if "SLOT" not in pkgdirlist:
writemsg("ERROR: SLOT file missing from '%s'.\n" % catpkg)
writemsg(" RE-MERGE this exact package version or unmerge and remerge.\n")
bad[catpkg] += ["SLOT is missing"]
else:
myslot = open(pkgdir+"SLOT").read()
if myslot and myslot[-1]=="\n":
#writemsg("WARN: SLOT file has a newline. '%s'\n" % catpkg)
myslot = myslot[:-1]
if not myslot:
bad[catpkg] += ["SLOT is empty"]
writemsg("ERROR: SLOT file is empty for '%s'.\n" % catpkg)
writemsg(" RE-MERGE this exact package version or unmerge and remerge it.\n")
elif re.search("[^-a-zA-Z0-9\._]", myslot):
bad[catpkg] += ["SLOT is corrupt"]
writemsg("ERROR: SLOT file is corrupt for '%s'.\n" % catpkg)
writemsg(" RE-MERGE this exact package version or unmerge and remerge it.\n")
elif myslot.strip() != myslot:
writemsg("WARN: SLOT file has invalid characters. '%s'\n" % catpkg)
bad[catpkg] += ["SLOT is invalid"]
if not bad[catpkg]:
del bad[catpkg]
actions = {}
writemsg("\n\n")
for catpkg in bad.keys():
bad[catpkg].sort()
mystr = ""
for x in bad[catpkg]:
mystr += " "+str(x)+"\n"
if bad[catpkg] == ["CONTENTS is missing", "SLOT is missing"]:
writemsg("%s: (possibly injected)\n%s\n" % (green(catpkg), mystr))
actions[catpkg] = ["ignore"]
elif bad[catpkg] == ["SLOT is empty"]:
writemsg("%s: (old package) []\n%s\n" % (yellow(catpkg), mystr))
actions[catpkg] = ["remerge"]
else:
writemsg("%s: (damaged/invalid) []\n%s\n" % (red(catpkg), mystr))
actions[catpkg] = ["merge exact"]
if (len(sys.argv) > 1) and (sys.argv[1] == "--fix"):
writemsg("These are only directions, at the moment.")
for catpkg in actions.keys():
action = actions[catpkg]
writemsg("We will now '%s' '%s'..." % (action, catpkg))
#if action ==
else:
#writemsg("Run with '--fix' to attempt automatic correction.")
pass
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