| 1 | '''All POSIX Type client support for Bcfg2''' |
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| 2 | __revision__ = '$Revision$' |
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| 3 | |
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| 4 | from datetime import datetime |
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| 5 | from stat import S_ISVTX, S_ISGID, S_ISUID, S_IXUSR, S_IWUSR, S_IRUSR, S_IXGRP |
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| 6 | from stat import S_IWGRP, S_IRGRP, S_IXOTH, S_IWOTH, S_IROTH, ST_MODE, S_ISDIR |
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| 7 | from stat import S_IFREG, ST_UID, ST_GID, S_ISREG, S_IFDIR, S_ISLNK, ST_MTIME |
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| 8 | import binascii |
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| 9 | import difflib |
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| 10 | import grp |
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| 11 | import logging |
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| 12 | import os |
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| 13 | import pwd |
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| 14 | import shutil |
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| 15 | import stat |
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| 16 | import string |
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| 17 | import time |
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| 18 | import Bcfg2.Client.Tools |
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| 19 | import Bcfg2.Options |
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| 20 | |
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| 21 | log = logging.getLogger('posix') |
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| 22 | |
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| 23 | # map between dev_type attribute and stat constants |
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| 24 | device_map = {'block': stat.S_IFBLK, |
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| 25 | 'char': stat.S_IFCHR, |
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| 26 | 'fifo': stat.S_IFIFO} |
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| 27 | |
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| 28 | |
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| 29 | def calcPerms(initial, perms): |
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| 30 | '''This compares ondisk permissions with specified ones''' |
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| 31 | pdisp = [{1:S_ISVTX, 2:S_ISGID, 4:S_ISUID}, |
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| 32 | {1:S_IXUSR, 2:S_IWUSR, 4:S_IRUSR}, |
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| 33 | {1:S_IXGRP, 2:S_IWGRP, 4:S_IRGRP}, |
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| 34 | {1:S_IXOTH, 2:S_IWOTH, 4:S_IROTH}] |
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| 35 | tempperms = initial |
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| 36 | if len(perms) == 3: |
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| 37 | perms = '0%s' % (perms) |
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| 38 | pdigits = [int(perms[digit]) for digit in range(4)] |
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| 39 | for index in range(4): |
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| 40 | for (num, perm) in list(pdisp[index].items()): |
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| 41 | if pdigits[index] & num: |
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| 42 | tempperms |= perm |
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| 43 | return tempperms |
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| 44 | |
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| 45 | def normUid(entry): |
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| 46 | ''' |
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| 47 | This takes a user name or uid and |
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| 48 | returns the corresponding uid or False |
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| 49 | ''' |
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| 50 | try: |
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| 51 | try: |
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| 52 | return int(entry.get('owner')) |
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| 53 | except: |
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| 54 | return int(pwd.getpwnam(entry.get('owner'))[2]) |
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| 55 | except (OSError, KeyError): |
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| 56 | log.error('UID normalization failed for %s' % (entry.get('name'))) |
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| 57 | return False |
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| 58 | |
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| 59 | def normGid(entry): |
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| 60 | ''' |
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| 61 | This takes a group name or gid and |
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| 62 | returns the corresponding gid or False |
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| 63 | ''' |
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| 64 | try: |
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| 65 | try: |
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| 66 | return int(entry.get('group')) |
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| 67 | except: |
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| 68 | return int(grp.getgrnam(entry.get('group'))[2]) |
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| 69 | except (OSError, KeyError): |
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| 70 | log.error('GID normalization failed for %s' % (entry.get('name'))) |
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| 71 | return False |
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| 72 | |
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| 73 | text_chars = "".join([chr(y) for y in range(32, 127)] + list("\n\r\t\b")) |
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| 74 | notrans = string.maketrans("", "") |
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| 75 | |
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| 76 | def isString(strng): |
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| 77 | '''Returns true if a string contains no binary chars''' |
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| 78 | if "\0" in strng: |
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| 79 | return False |
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| 80 | |
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| 81 | if not strng: |
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| 82 | return True |
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| 83 | |
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| 84 | return len(strng.translate(notrans, text_chars)) == 0 |
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| 85 | |
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| 86 | class POSIX(Bcfg2.Client.Tools.Tool): |
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| 87 | '''POSIX File support code''' |
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| 88 | name = 'POSIX' |
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| 89 | __handles__ = [('ConfigFile', None), |
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| 90 | ('Directory', None), |
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| 91 | ('Path', 'device'), |
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| 92 | ('Path', 'directory'), |
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| 93 | ('Path', 'file'), |
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| 94 | ('Path', 'hardlink'), |
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| 95 | ('Path', 'nonexistent'), |
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| 96 | ('Path', 'permissions'), |
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| 97 | ('Path', 'symlink'), |
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| 98 | ('Permissions', None), |
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| 99 | ('SymLink', None)] |
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| 100 | __req__ = {'ConfigFile': ['name', 'owner', 'group', 'perms'], |
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| 101 | 'Directory': ['name', 'owner', 'group', 'perms'], |
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| 102 | 'Path': ['name', 'type'], |
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| 103 | 'Permissions': ['name', 'owner', 'group', 'perms'], |
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| 104 | 'SymLink': ['name', 'to']} |
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| 105 | |
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| 106 | # grab paranoid options from /etc/bcfg2.conf |
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| 107 | opts = {'ppath': Bcfg2.Options.PARANOID_PATH, |
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| 108 | 'max_copies': Bcfg2.Options.PARANOID_MAX_COPIES} |
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| 109 | setup = Bcfg2.Options.OptionParser(opts) |
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| 110 | setup.parse([]) |
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| 111 | ppath = setup['ppath'] |
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| 112 | max_copies = setup['max_copies'] |
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| 113 | |
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| 114 | def canInstall(self, entry): |
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| 115 | '''Check if entry is complete for installation''' |
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| 116 | if Bcfg2.Client.Tools.Tool.canInstall(self, entry): |
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| 117 | if (entry.tag, entry.text, entry.get('empty', 'false')) == \ |
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| 118 | ('ConfigFile', None, 'false'): |
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| 119 | return False |
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| 120 | return True |
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| 121 | else: |
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| 122 | return False |
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| 123 | |
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| 124 | def VerifySymLink(self, entry, _): |
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| 125 | '''Verify SymLink Entry''' |
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| 126 | try: |
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| 127 | sloc = os.readlink(entry.get('name')) |
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| 128 | if sloc == entry.get('to'): |
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| 129 | return True |
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| 130 | self.logger.debug("Symlink %s points to %s, should be %s" % \ |
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| 131 | (entry.get('name'), sloc, entry.get('to'))) |
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| 132 | entry.set('current_to', sloc) |
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| 133 | entry.set('qtext', "Link %s to %s? [y/N] " % (entry.get('name'), |
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| 134 | entry.get('to'))) |
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| 135 | return False |
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| 136 | except OSError: |
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| 137 | entry.set('current_exists', 'false') |
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| 138 | entry.set('qtext', "Link %s to %s? [y/N] " % (entry.get('name'), |
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| 139 | entry.get('to'))) |
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| 140 | return False |
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| 141 | |
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| 142 | def InstallSymLink(self, entry): |
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| 143 | '''Install SymLink Entry''' |
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| 144 | self.logger.info("Installing Symlink %s" % (entry.get('name'))) |
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| 145 | if os.path.lexists(entry.get('name')): |
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| 146 | try: |
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| 147 | fmode = os.lstat(entry.get('name'))[ST_MODE] |
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| 148 | if S_ISREG(fmode) or S_ISLNK(fmode): |
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| 149 | self.logger.debug("Non-directory entry already exists at " |
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| 150 | "%s. Unlinking entry." % \ |
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| 151 | (entry.get('name'))) |
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| 152 | os.unlink(entry.get('name')) |
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| 153 | elif S_ISDIR(fmode): |
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| 154 | self.logger.debug("Directory entry already exists at %s" %\ |
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| 155 | (entry.get('name'))) |
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| 156 | self.cmd.run("mv %s/ %s.bak" % \ |
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| 157 | (entry.get('name'), |
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| 158 | entry.get('name'))) |
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| 159 | else: |
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| 160 | os.unlink(entry.get('name')) |
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| 161 | except OSError: |
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| 162 | self.logger.info("Symlink %s cleanup failed" % (entry.get('name'))) |
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| 163 | try: |
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| 164 | os.symlink(entry.get('to'), entry.get('name')) |
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| 165 | return True |
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| 166 | except OSError: |
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| 167 | return False |
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| 168 | |
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| 169 | def VerifyDirectory(self, entry, modlist): |
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| 170 | '''Verify Directory Entry''' |
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| 171 | while len(entry.get('perms', '')) < 4: |
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| 172 | entry.set('perms', '0' + entry.get('perms', '')) |
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| 173 | try: |
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| 174 | ondisk = os.stat(entry.get('name')) |
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| 175 | except OSError: |
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| 176 | entry.set('current_exists', 'false') |
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| 177 | self.logger.debug("%s %s does not exist" % |
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| 178 | (entry.tag, entry.get('name'))) |
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| 179 | return False |
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| 180 | try: |
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| 181 | owner = str(ondisk[ST_UID]) |
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| 182 | group = str(ondisk[ST_GID]) |
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| 183 | except (OSError, KeyError): |
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| 184 | self.logger.error('User/Group resolution failed for path %s' % \ |
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| 185 | entry.get('name')) |
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| 186 | owner = 'root' |
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| 187 | group = '0' |
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| 188 | finfo = os.stat(entry.get('name')) |
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| 189 | perms = oct(finfo[ST_MODE])[-4:] |
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| 190 | if entry.get('mtime', '-1') != '-1': |
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| 191 | mtime = str(finfo[ST_MTIME]) |
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| 192 | else: |
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| 193 | mtime = '-1' |
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| 194 | pTrue = ((owner == str(normUid(entry))) and |
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| 195 | (group == str(normGid(entry))) and |
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| 196 | (perms == entry.get('perms')) and |
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| 197 | (mtime == entry.get('mtime', '-1'))) |
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| 198 | |
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| 199 | pruneTrue = True |
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| 200 | ex_ents = [] |
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| 201 | if entry.get('prune', 'false') == 'true' \ |
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| 202 | and entry.tag == 'Directory': |
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| 203 | try: |
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| 204 | entries = ['/'.join([entry.get('name'), ent]) \ |
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| 205 | for ent in os.listdir(entry.get('name'))] |
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| 206 | ex_ents = [e for e in entries if e not in modlist] |
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| 207 | if ex_ents: |
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| 208 | pruneTrue = False |
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| 209 | self.logger.debug("Directory %s contains extra entries:" % \ |
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| 210 | entry.get('name')) |
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| 211 | self.logger.debug(ex_ents) |
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| 212 | nqtext = entry.get('qtext', '') + '\n' |
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| 213 | nqtext += "Directory %s contains extra entries:" % entry.get('name') |
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| 214 | nqtext += ":".join(ex_ents) |
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| 215 | entry.set('qtest', nqtext) |
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| 216 | except OSError: |
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| 217 | ex_ents = [] |
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| 218 | pruneTrue = True |
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| 219 | |
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| 220 | if not pTrue: |
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| 221 | if owner != str(normUid(entry)): |
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| 222 | entry.set('current_owner', owner) |
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| 223 | self.logger.debug("%s %s ownership wrong" % \ |
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| 224 | (entry.tag, entry.get('name'))) |
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| 225 | nqtext = entry.get('qtext', '') + '\n' |
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| 226 | nqtext += "%s owner wrong. is %s should be %s" % \ |
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| 227 | (entry.get('name'), owner, entry.get('owner')) |
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| 228 | entry.set('qtext', nqtext) |
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| 229 | if group != str(normGid(entry)): |
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| 230 | entry.set('current_group', group) |
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| 231 | self.logger.debug("%s %s group wrong" % (entry.tag, entry.get('name'))) |
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| 232 | nqtext = entry.get('qtext', '') + '\n' |
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| 233 | nqtext += "%s group is %s should be %s" % \ |
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| 234 | (entry.get('name'), group, entry.get('group')) |
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| 235 | entry.set('qtext', nqtext) |
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| 236 | if perms != entry.get('perms'): |
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| 237 | entry.set('current_perms', perms) |
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| 238 | self.logger.debug("%s %s permissions are %s should be %s" % |
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| 239 | (entry.tag, entry.get('name'), perms, entry.get('perms'))) |
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| 240 | nqtext = entry.get('qtext', '') + '\n' |
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| 241 | nqtext += "%s perms are %s should be %s" % \ |
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| 242 | (entry.get('name'), perms, entry.get('perms')) |
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| 243 | entry.set('qtext', nqtext) |
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| 244 | if mtime != entry.get('mtime', '-1'): |
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| 245 | entry.set('current_mtime', mtime) |
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| 246 | self.logger.debug("%s %s mtime is %s should be %s" \ |
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| 247 | % (entry.tag, entry.get('name'), mtime, |
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| 248 | entry.get('mtime'))) |
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| 249 | nqtext = entry.get('qtext', '') + '\n' |
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| 250 | nqtext += "%s mtime is %s should be %s" % \ |
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| 251 | (entry.get('name'), mtime, entry.get('mtime')) |
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| 252 | entry.set('qtext', nqtext) |
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| 253 | if entry.tag != 'ConfigFile': |
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| 254 | nnqtext = entry.get('qtext') |
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| 255 | nnqtext += '\nInstall %s %s: (y/N) ' % (entry.tag, entry.get('name')) |
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| 256 | entry.set('qtext', nnqtext) |
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| 257 | return pTrue and pruneTrue |
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| 258 | |
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| 259 | def InstallDirectory(self, entry): |
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| 260 | '''Install Directory Entry''' |
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| 261 | self.logger.info("Installing Directory %s" % (entry.get('name'))) |
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| 262 | try: |
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| 263 | fmode = os.lstat(entry.get('name')) |
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| 264 | if not S_ISDIR(fmode[ST_MODE]): |
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| 265 | self.logger.debug("Found a non-directory entry at %s" % \ |
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| 266 | (entry.get('name'))) |
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| 267 | try: |
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| 268 | os.unlink(entry.get('name')) |
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| 269 | exists = False |
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| 270 | except OSError: |
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| 271 | self.logger.info("Failed to unlink %s" % (entry.get('name'))) |
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| 272 | return False |
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| 273 | else: |
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| 274 | self.logger.debug("Found a pre-existing directory at %s" % \ |
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| 275 | (entry.get('name'))) |
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| 276 | exists = True |
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| 277 | except OSError: |
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| 278 | # stat failed |
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| 279 | exists = False |
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| 280 | |
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| 281 | if not exists: |
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| 282 | parent = "/".join(entry.get('name').split('/')[:-1]) |
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| 283 | if parent: |
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| 284 | try: |
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| 285 | os.stat(parent) |
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| 286 | except: |
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| 287 | self.logger.debug('Creating parent path for directory %s' % (entry.get('name'))) |
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| 288 | for idx in range(len(parent.split('/')[:-1])): |
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| 289 | current = '/'+'/'.join(parent.split('/')[1:2+idx]) |
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| 290 | try: |
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| 291 | sloc = os.stat(current) |
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| 292 | except OSError: |
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| 293 | try: |
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| 294 | os.mkdir(current) |
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| 295 | continue |
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| 296 | except OSError: |
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| 297 | return False |
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| 298 | if not S_ISDIR(sloc[ST_MODE]): |
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| 299 | try: |
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| 300 | os.unlink(current) |
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| 301 | os.mkdir(current) |
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| 302 | except OSError: |
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| 303 | return False |
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| 304 | |
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| 305 | try: |
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| 306 | os.mkdir(entry.get('name')) |
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| 307 | except OSError: |
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| 308 | self.logger.error('Failed to create directory %s' % \ |
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| 309 | (entry.get('name'))) |
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| 310 | return False |
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| 311 | if entry.get('prune', 'false') == 'true' and entry.get("qtest"): |
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| 312 | for pname in entry.get("qtest").split(":"): |
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| 313 | ulfailed = False |
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| 314 | if os.path.isdir(pname): |
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| 315 | self.logger.info("Not removing extra directory %s, please check and remove manually" % pname) |
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| 316 | continue |
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| 317 | try: |
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| 318 | self.logger.debug("Unlinking file %s" % pname) |
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| 319 | os.unlink(pname) |
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| 320 | except OSError: |
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| 321 | self.logger.error("Failed to unlink path %s" % pname) |
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| 322 | ulfailed = True |
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| 323 | if ulfailed: |
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| 324 | return False |
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| 325 | return self.InstallPermissions(entry) |
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| 326 | |
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| 327 | def VerifyhardLink(self, entry, _): |
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| 328 | '''Verify HardLink Entry''' |
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| 329 | try: |
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| 330 | if os.path.samefile(entry.get('name'), entry.get('to')): |
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| 331 | return True |
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| 332 | self.logger.debug("Hardlink %s is incorrect" % \ |
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| 333 | entry.get('name')) |
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| 334 | entry.set('qtext', "Link %s to %s? [y/N] " % \ |
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| 335 | (entry.get('name'), |
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| 336 | entry.get('to'))) |
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| 337 | return False |
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| 338 | except OSError: |
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| 339 | entry.set('current_exists', 'false') |
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| 340 | entry.set('qtext', "Link %s to %s? [y/N] " % \ |
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| 341 | (entry.get('name'), |
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| 342 | entry.get('to'))) |
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| 343 | return False |
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| 344 | |
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| 345 | def InstallhardLink(self, entry): |
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| 346 | '''Install HardLink Entry''' |
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| 347 | self.logger.info("Installing Hardlink %s" % (entry.get('name'))) |
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| 348 | if os.path.lexists(entry.get('name')): |
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| 349 | try: |
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| 350 | fmode = os.lstat(entry.get('name'))[ST_MODE] |
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| 351 | if S_ISREG(fmode) or S_ISLNK(fmode): |
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| 352 | self.logger.debug("Non-directory entry already exists at " |
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| 353 | "%s. Unlinking entry." % (entry.get('name'))) |
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| 354 | os.unlink(entry.get('name')) |
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| 355 | elif S_ISDIR(fmode): |
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| 356 | self.logger.debug("Directory entry already exists at %s" % \ |
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| 357 | (entry.get('name'))) |
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| 358 | self.cmd.run("mv %s/ %s.bak" % \ |
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| 359 | (entry.get('name'), |
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| 360 | entry.get('name'))) |
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| 361 | else: |
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| 362 | os.unlink(entry.get('name')) |
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| 363 | except OSError: |
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| 364 | self.logger.info("Hardlink %s cleanup failed" % (entry.get('name'))) |
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| 365 | try: |
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| 366 | os.link(entry.get('to'), entry.get('name')) |
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| 367 | return True |
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| 368 | except OSError: |
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| 369 | return False |
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| 370 | |
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| 371 | def VerifyPermissions(self, entry, _): |
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| 372 | '''Verify Permissions entry''' |
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| 373 | return self.VerifyDirectory(entry, _) |
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| 374 | |
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| 375 | def InstallPermissions(self, entry): |
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| 376 | '''Install POSIX Permissions''' |
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| 377 | try: |
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| 378 | os.chown(entry.get('name'), normUid(entry), normGid(entry)) |
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| 379 | os.chmod(entry.get('name'), calcPerms(S_IFDIR, entry.get('perms'))) |
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| 380 | return True |
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| 381 | except (OSError, KeyError): |
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| 382 | self.logger.error('Permission fixup failed for %s' % \ |
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| 383 | (entry.get('name'))) |
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| 384 | return False |
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| 385 | |
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| 386 | def Verifydevice(self, entry, _): |
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| 387 | '''Verify device entry''' |
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| 388 | try: |
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| 389 | # check for file existence |
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| 390 | filestat = os.stat(entry.get('name')) |
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| 391 | except OSError: |
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| 392 | entry.set('current_exists', 'false') |
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| 393 | self.logger.debug("%s %s does not exist" % |
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| 394 | (entry.tag, entry.get('name'))) |
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| 395 | return False |
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| 396 | |
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| 397 | try: |
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| 398 | # attempt to verify device properties as specified in config |
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| 399 | dev_type = entry.get('dev_type') |
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| 400 | mode = calcPerms(device_map[dev_type], |
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| 401 | entry.get('mode', '0600')) |
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| 402 | owner = entry.get('owner') |
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| 403 | group = entry.get('group') |
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| 404 | if dev_type in ['block', 'char']: |
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| 405 | major = int(entry.get('major')) |
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| 406 | minor = int(entry.get('minor')) |
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| 407 | if major == os.major(filestat.st_rdev) and \ |
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| 408 | minor == os.minor(filestat.st_rdev) and \ |
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| 409 | mode == filestat.st_mode and \ |
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| 410 | owner == filestat.st_uid and \ |
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| 411 | group == filestat.st_gid: |
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| 412 | return True |
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| 413 | else: |
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| 414 | return False |
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| 415 | elif dev_type == 'fifo' and \ |
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| 416 | mode == filestat.st_mode and \ |
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| 417 | owner == filestat.st_uid and \ |
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| 418 | group == filestat.st_gid: |
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| 419 | return True |
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| 420 | else: |
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| 421 | self.logger.info('Device properties for %s incorrect' % \ |
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| 422 | entry.get('name')) |
|---|
| 423 | return False |
|---|
| 424 | except OSError: |
|---|
| 425 | self.logger.debug("%s %s failed to verify" % |
|---|
| 426 | (entry.tag, entry.get('name'))) |
|---|
| 427 | return False |
|---|
| 428 | |
|---|
| 429 | def Installdevice(self, entry): |
|---|
| 430 | '''Install device entries''' |
|---|
| 431 | try: |
|---|
| 432 | # check for existing paths and remove them |
|---|
| 433 | filestat = os.lstat(entry.get('name')) |
|---|
| 434 | try: |
|---|
| 435 | os.unlink(entry.get('name')) |
|---|
| 436 | exists = False |
|---|
| 437 | except OSError: |
|---|
| 438 | self.logger.info('Failed to unlink %s' % \ |
|---|
| 439 | entry.get('name')) |
|---|
| 440 | return False |
|---|
| 441 | except OSError: |
|---|
| 442 | exists = False |
|---|
| 443 | |
|---|
| 444 | if not exists: |
|---|
| 445 | try: |
|---|
| 446 | dev_type = entry.get('dev_type') |
|---|
| 447 | mode = calcPerms(device_map[dev_type], |
|---|
| 448 | entry.get('mode', '0600')) |
|---|
| 449 | if dev_type in ['block', 'char']: |
|---|
| 450 | major = int(entry.get('major')) |
|---|
| 451 | minor = int(entry.get('minor')) |
|---|
| 452 | device = os.makedev(major, minor) |
|---|
| 453 | os.mknod(entry.get('name'), mode, device) |
|---|
| 454 | else: |
|---|
| 455 | os.mknod(entry.get('name'), mode) |
|---|
| 456 | os.chown(entry.get('name'), normUid(entry), normGid(entry)) |
|---|
| 457 | return True |
|---|
| 458 | except OSError: |
|---|
| 459 | self.logger.error('Failed to install %s' % entry.get('name')) |
|---|
| 460 | return False |
|---|
| 461 | |
|---|
| 462 | def Verifynonexistent(self, entry, _): |
|---|
| 463 | '''Verify nonexistent entry''' |
|---|
| 464 | # return true if path does _not_ exist |
|---|
| 465 | return not os.path.lexists(entry.get('name')) |
|---|
| 466 | |
|---|
| 467 | def Installnonexistent(self, entry): |
|---|
| 468 | '''Remove nonexistent entries''' |
|---|
| 469 | try: |
|---|
| 470 | os.remove(entry.get('name')) |
|---|
| 471 | return True |
|---|
| 472 | except OSError: |
|---|
| 473 | self.logger.error('Failed to remove %s' % entry.get('name')) |
|---|
| 474 | return False |
|---|
| 475 | |
|---|
| 476 | def gatherCurrentData(self, entry): |
|---|
| 477 | if entry.tag == 'ConfigFile': |
|---|
| 478 | try: |
|---|
| 479 | ondisk = os.stat(entry.get('name')) |
|---|
| 480 | except OSError: |
|---|
| 481 | entry.set('current_exists', 'false') |
|---|
| 482 | self.logger.debug("%s %s does not exist" % |
|---|
| 483 | (entry.tag, entry.get('name'))) |
|---|
| 484 | return False |
|---|
| 485 | try: |
|---|
| 486 | entry.set('current_owner', str(ondisk[ST_UID])) |
|---|
| 487 | entry.set('current_group', str(ondisk[ST_GID])) |
|---|
| 488 | except (OSError, KeyError): |
|---|
| 489 | pass |
|---|
| 490 | entry.set('perms', str(oct(ondisk[ST_MODE])[-4:])) |
|---|
| 491 | try: |
|---|
| 492 | content = open(entry.get('name')).read() |
|---|
| 493 | entry.set('current_bfile', binascii.b2a_base64(content)) |
|---|
| 494 | except IOError, error: |
|---|
| 495 | self.logger.error("Failed to read %s: %s" % (error.filename, error.strerror)) |
|---|
| 496 | |
|---|
| 497 | def VerifyConfigFile(self, entry, _): |
|---|
| 498 | '''Install ConfigFile Entry''' |
|---|
| 499 | # configfile verify is permissions check + content check |
|---|
| 500 | permissionStatus = self.VerifyDirectory(entry, _) |
|---|
| 501 | tbin = False |
|---|
| 502 | if entry.get('encoding', 'ascii') == 'base64': |
|---|
| 503 | tempdata = binascii.a2b_base64(entry.text) |
|---|
| 504 | tbin = True |
|---|
| 505 | elif entry.get('empty', 'false') == 'true': |
|---|
| 506 | tempdata = '' |
|---|
| 507 | else: |
|---|
| 508 | if entry.text == None: |
|---|
| 509 | self.logger.error("Cannot verify incomplete ConfigFile %s" % \ |
|---|
| 510 | (entry.get('name'))) |
|---|
| 511 | return False |
|---|
| 512 | tempdata = entry.text |
|---|
| 513 | if type(tempdata) == unicode: |
|---|
| 514 | try: |
|---|
| 515 | tempdata = tempdata.encode(self.setup['encoding']) |
|---|
| 516 | except UnicodeEncodeError, e: |
|---|
| 517 | self.logger.error("Error encoding file %s:\n %s" % \ |
|---|
| 518 | (entry.get('name'), e)) |
|---|
| 519 | try: |
|---|
| 520 | content = open(entry.get('name')).read() |
|---|
| 521 | except IOError, error: |
|---|
| 522 | if error.strerror == "No such file or directory": |
|---|
| 523 | # print diff for files that don't exist (yet) |
|---|
| 524 | content = '' |
|---|
| 525 | else: |
|---|
| 526 | self.logger.error("Failed to read %s: %s" % \ |
|---|
| 527 | (error.filename, error.strerror)) |
|---|
| 528 | return False |
|---|
| 529 | # comparison should be done with fingerprints or |
|---|
| 530 | # md5sum so it would be faster for big binary files |
|---|
| 531 | contentStatus = content == tempdata |
|---|
| 532 | if not contentStatus: |
|---|
| 533 | if tbin or not isString(content): |
|---|
| 534 | entry.set('current_bfile', binascii.b2a_base64(content)) |
|---|
| 535 | nqtext = entry.get('qtext', '') |
|---|
| 536 | nqtext += '\nBinary file, no printable diff' |
|---|
| 537 | else: |
|---|
| 538 | do_diff = True |
|---|
| 539 | rawdiff = [] |
|---|
| 540 | start = time.time() |
|---|
| 541 | longtime = False |
|---|
| 542 | for x in difflib.ndiff(content.split('\n'), tempdata.split('\n')): |
|---|
| 543 | now = time.time() |
|---|
| 544 | rawdiff.append(x) |
|---|
| 545 | if now - start > 5 and not longtime: |
|---|
| 546 | self.logger.info("Diff of %s taking a long time" % \ |
|---|
| 547 | (entry.get('name'))) |
|---|
| 548 | longtime = True |
|---|
| 549 | elif now - start > 30: |
|---|
| 550 | self.logger.error("Diff of %s took too long; giving up" % \ |
|---|
| 551 | (entry.get('name'))) |
|---|
| 552 | do_diff = False |
|---|
| 553 | break |
|---|
| 554 | if do_diff: |
|---|
| 555 | diff = '\n'.join(rawdiff) |
|---|
| 556 | entry.set("current_bdiff", binascii.b2a_base64(diff)) |
|---|
| 557 | # entry.set("current_diff", diff) |
|---|
| 558 | udiff = '\n'.join([x for x in \ |
|---|
| 559 | difflib.unified_diff(content.split('\n'), \ |
|---|
| 560 | tempdata.split('\n'))]) |
|---|
| 561 | try: |
|---|
| 562 | eudiff = udiff.encode('ascii') |
|---|
| 563 | except: |
|---|
| 564 | eudiff = "Binary file: no diff printed" |
|---|
| 565 | |
|---|
| 566 | nqtext = entry.get('qtext', '') |
|---|
| 567 | |
|---|
| 568 | if nqtext: |
|---|
| 569 | nqtext += '\n' |
|---|
| 570 | nqtext += eudiff |
|---|
| 571 | else: |
|---|
| 572 | entry.set('current_bfile', binascii.b2a_base64(content)) |
|---|
| 573 | nqtext = entry.get('qtext', '') |
|---|
| 574 | nqtext += '\nDiff took too long to compute, no printable diff' |
|---|
| 575 | entry.set('qtext', nqtext) |
|---|
| 576 | qtxt = entry.get('qtext', '') |
|---|
| 577 | qtxt += "\nInstall ConfigFile %s: (y/N): " % (entry.get('name')) |
|---|
| 578 | entry.set('qtext', qtxt) |
|---|
| 579 | return contentStatus and permissionStatus |
|---|
| 580 | |
|---|
| 581 | def InstallConfigFile(self, entry): |
|---|
| 582 | '''Install ConfigFile Entry''' |
|---|
| 583 | self.logger.info("Installing ConfigFile %s" % (entry.get('name'))) |
|---|
| 584 | |
|---|
| 585 | parent = "/".join(entry.get('name').split('/')[:-1]) |
|---|
| 586 | if parent: |
|---|
| 587 | try: |
|---|
| 588 | os.stat(parent) |
|---|
| 589 | except: |
|---|
| 590 | self.logger.debug('Creating parent path for config file %s' % \ |
|---|
| 591 | (entry.get('name'))) |
|---|
| 592 | current = '/' |
|---|
| 593 | for next in parent.split('/')[1:]: |
|---|
| 594 | current += next + '/' |
|---|
| 595 | try: |
|---|
| 596 | sloc = os.stat(current) |
|---|
| 597 | try: |
|---|
| 598 | if not S_ISDIR(sloc[ST_MODE]): |
|---|
| 599 | self.logger.debug('%s is not a directory; recreating' \ |
|---|
| 600 | % (current)) |
|---|
| 601 | os.unlink(current) |
|---|
| 602 | os.mkdir(current) |
|---|
| 603 | except OSError: |
|---|
| 604 | return False |
|---|
| 605 | except OSError: |
|---|
| 606 | try: |
|---|
| 607 | self.logger.debug("Creating non-existent path %s" % current) |
|---|
| 608 | os.mkdir(current) |
|---|
| 609 | except OSError: |
|---|
| 610 | return False |
|---|
| 611 | |
|---|
| 612 | # If we get here, then the parent directory should exist |
|---|
| 613 | if (entry.get("paranoid", False) == 'true') and \ |
|---|
| 614 | self.setup.get("paranoid", False) and not \ |
|---|
| 615 | (entry.get('current_exists', 'true') == 'false'): |
|---|
| 616 | bkupnam = entry.get('name').replace('/', '_') |
|---|
| 617 | # current list of backups for this ConfigFile |
|---|
| 618 | bkuplist = [f for f in os.listdir(self.ppath) if |
|---|
| 619 | f.startswith(bkupnam)] |
|---|
| 620 | bkuplist.sort() |
|---|
| 621 | if len(bkuplist) == int(self.max_copies): |
|---|
| 622 | # remove the oldest backup available |
|---|
| 623 | oldest = bkuplist.pop(0) |
|---|
| 624 | self.logger.info("Removing %s" % oldest) |
|---|
| 625 | try: |
|---|
| 626 | os.remove("%s/%s" % (self.ppath, oldest)) |
|---|
| 627 | except: |
|---|
| 628 | self.logger.error("Failed to remove %s/%s" % \ |
|---|
| 629 | (self.ppath, oldest)) |
|---|
| 630 | return False |
|---|
| 631 | try: |
|---|
| 632 | # backup existing file |
|---|
| 633 | shutil.copy(entry.get('name'), |
|---|
| 634 | "%s/%s_%s" % (self.ppath, bkupnam, datetime.now())) |
|---|
| 635 | self.logger.info("Backup of %s saved to %s" % |
|---|
| 636 | (entry.get('name'), self.ppath)) |
|---|
| 637 | except IOError, e: |
|---|
| 638 | self.logger.error("Failed to create backup file for ConfigFile %s" % \ |
|---|
| 639 | (entry.get('name'))) |
|---|
| 640 | self.logger.error(e) |
|---|
| 641 | return False |
|---|
| 642 | try: |
|---|
| 643 | newfile = open("%s.new"%(entry.get('name')), 'w') |
|---|
| 644 | if entry.get('encoding', 'ascii') == 'base64': |
|---|
| 645 | filedata = binascii.a2b_base64(entry.text) |
|---|
| 646 | elif entry.get('empty', 'false') == 'true': |
|---|
| 647 | filedata = '' |
|---|
| 648 | else: |
|---|
| 649 | if type(entry.text) == unicode: |
|---|
| 650 | filedata = entry.text.encode(self.setup['encoding']) |
|---|
| 651 | else: |
|---|
| 652 | filedata = entry.text |
|---|
| 653 | newfile.write(filedata) |
|---|
| 654 | newfile.close() |
|---|
| 655 | try: |
|---|
| 656 | os.chown(newfile.name, normUid(entry), normGid(entry)) |
|---|
| 657 | except KeyError: |
|---|
| 658 | self.logger.error("Failed to chown %s to %s:%s" % \ |
|---|
| 659 | (entry.get('name'), entry.get('owner'), |
|---|
| 660 | entry.get('group'))) |
|---|
| 661 | os.chown(newfile.name, 0, 0) |
|---|
| 662 | os.chmod(newfile.name, calcPerms(S_IFREG, entry.get('perms'))) |
|---|
| 663 | os.rename(newfile.name, entry.get('name')) |
|---|
| 664 | if entry.get('mtime', '-1') != '-1': |
|---|
| 665 | try: |
|---|
| 666 | os.utime(entry.get('name'), (int(entry.get('mtime')), |
|---|
| 667 | int(entry.get('mtime')))) |
|---|
| 668 | except: |
|---|
| 669 | self.logger.error("ConfigFile %s mtime fix failed" \ |
|---|
| 670 | % (entry.get('name'))) |
|---|
| 671 | return False |
|---|
| 672 | return True |
|---|
| 673 | except (OSError, IOError), err: |
|---|
| 674 | if err.errno == 13: |
|---|
| 675 | self.logger.info("Failed to open %s for writing" % (entry.get('name'))) |
|---|
| 676 | else: |
|---|
| 677 | print(err) |
|---|
| 678 | return False |
|---|
| 679 | |
|---|
| 680 | def Verifydirectory(self, entry, _): |
|---|
| 681 | ret = getattr(self, 'VerifyDirectory') |
|---|
| 682 | return ret(entry, _) |
|---|
| 683 | |
|---|
| 684 | def Installdirectory(self, entry): |
|---|
| 685 | ret = getattr(self, 'InstallDirectory') |
|---|
| 686 | return ret(entry) |
|---|
| 687 | |
|---|
| 688 | def Verifyfile(self, entry, _): |
|---|
| 689 | ret = getattr(self, 'VerifyConfigFile') |
|---|
| 690 | return ret(entry, _) |
|---|
| 691 | |
|---|
| 692 | def Installfile(self, entry): |
|---|
| 693 | ret = getattr(self, 'InstallConfigFile') |
|---|
| 694 | return ret(entry) |
|---|
| 695 | |
|---|
| 696 | def Verifynonexistent(self, entry, _): |
|---|
| 697 | # FIXME: not implemented |
|---|
| 698 | return True |
|---|
| 699 | |
|---|
| 700 | def Installnonexistent(self, entry): |
|---|
| 701 | # FIXME: not implemented |
|---|
| 702 | return True |
|---|
| 703 | |
|---|
| 704 | def Verifypermissions(self, entry, _): |
|---|
| 705 | ret = getattr(self, 'VerifyPermissions') |
|---|
| 706 | return ret(entry, _) |
|---|
| 707 | |
|---|
| 708 | def Installpermissions(self, entry): |
|---|
| 709 | ret = getattr(self, 'InstallPermissions') |
|---|
| 710 | return ret(entry) |
|---|
| 711 | |
|---|
| 712 | def Verifysymlink(self, entry, _): |
|---|
| 713 | ret = getattr(self, 'VerifySymLink') |
|---|
| 714 | return ret(entry, _) |
|---|
| 715 | |
|---|
| 716 | def Installsymlink(self, entry): |
|---|
| 717 | ret = getattr(self, 'InstallSymLink') |
|---|
| 718 | return ret(entry) |
|---|
| 719 | |
|---|
| 720 | def InstallPath(self, entry): |
|---|
| 721 | ret = getattr(self, 'Install%s' % entry.get('type')) |
|---|
| 722 | return ret(entry) |
|---|
| 723 | |
|---|
| 724 | def VerifyPath(self, entry, _): |
|---|
| 725 | ret = getattr(self, 'Verify%s' % entry.get('type')) |
|---|
| 726 | return ret(entry, _) |
|---|