diff options
Diffstat (limited to 'src/lib/Bcfg2/Client/Tools/rpmtools.py')
| -rwxr-xr-x | src/lib/Bcfg2/Client/Tools/rpmtools.py | 1114 |
1 files changed, 1114 insertions, 0 deletions
diff --git a/src/lib/Bcfg2/Client/Tools/rpmtools.py b/src/lib/Bcfg2/Client/Tools/rpmtools.py new file mode 100755 index 000000000..7441b2c06 --- /dev/null +++ b/src/lib/Bcfg2/Client/Tools/rpmtools.py @@ -0,0 +1,1114 @@ +#!/usr/bin/env python +""" + Module that uses rpm-python to implement the following rpm + functionality for the bcfg2 RPM and YUM client drivers: + + rpm -qa + rpm --verify + rpm --erase + + The code closely follows the rpm C code. + + The code was written to be used in the bcfg2 RPM/YUM drivers. + + Some command line options have been provided to assist with + testing and development, but the output isn't pretty and looks + nothing like rpm output. + + Run 'rpmtools' -h for the options. + +""" + +import grp +import optparse +import os +import pwd +import rpm +import stat +import sys +if sys.version_info >= (2, 5): + import hashlib + py24compat = False +else: + # FIXME: Remove when client python dep is 2.5 or greater + py24compat = True + import md5 + +# Determine what prelink tools we have available. +# The isprelink module is a python extension that examines the ELF headers +# to see if the file has been prelinked. If it is not present a lot of files +# are unnecessarily run through the prelink command. +try: + from isprelink import * + isprelink_imported = True +except ImportError: + isprelink_imported = False + #print '*********************** isprelink not loaded ***********************' + +# If the prelink command is installed on the system then we need to do +# prelink -y on files. +if os.access('/usr/sbin/prelink', os.X_OK): + prelink_exists = True +else: + prelink_exists = False + +# If we don't have isprelink then we will use the prelink configuration file to +# filter what we have to put through prelink -y. +import re +blacklist = [] +whitelist = [] +try: + f = open('/etc/prelink.conf', mode='r') + for line in f: + if line.startswith('#'): + continue + option, pattern = line.split() + if pattern.startswith('*.'): + pattern = pattern.replace('*.', '\.') + pattern += '$' + elif pattern.startswith('/'): + pattern = '^' + pattern + if option == '-b': + blacklist.append(pattern) + elif option == '-l': + whitelist.append(pattern) + f.close() +except IOError: + pass + +blacklist_re = re.compile('|'.join(blacklist)) +whitelist_re = re.compile('|'.join(whitelist)) + +# Flags that are not defined in rpm-python. +# They are defined in lib/rpmcli.h +# Bit(s) for verifyFile() attributes. +# +RPMVERIFY_NONE = 0 # /*!< */ +RPMVERIFY_MD5 = 1 # 1 << 0 # /*!< from %verify(md5) */ +RPMVERIFY_FILESIZE = 2 # 1 << 1 # /*!< from %verify(size) */ +RPMVERIFY_LINKTO = 4 # 1 << 2 # /*!< from %verify(link) */ +RPMVERIFY_USER = 8 # 1 << 3 # /*!< from %verify(user) */ +RPMVERIFY_GROUP = 16 # 1 << 4 # /*!< from %verify(group) */ +RPMVERIFY_MTIME = 32 # 1 << 5 # /*!< from %verify(mtime) */ +RPMVERIFY_MODE = 64 # 1 << 6 # /*!< from %verify(mode) */ +RPMVERIFY_RDEV = 128 # 1 << 7 # /*!< from %verify(rdev) */ +RPMVERIFY_CONTEXTS = 32768 # (1 << 15) # /*!< from --nocontexts */ +RPMVERIFY_READLINKFAIL = 268435456 # (1 << 28) # /*!< readlink failed */ +RPMVERIFY_READFAIL = 536870912 # (1 << 29) # /*!< file read failed */ +RPMVERIFY_LSTATFAIL = 1073741824 # (1 << 30) # /*!< lstat failed */ +RPMVERIFY_LGETFILECONFAIL = 2147483648 # (1 << 31) # /*!< lgetfilecon failed */ + +RPMVERIFY_FAILURES = \ + (RPMVERIFY_LSTATFAIL|RPMVERIFY_READFAIL|RPMVERIFY_READLINKFAIL| \ + RPMVERIFY_LGETFILECONFAIL) + +# Bit(s) to control rpm_verify() operation. +# +VERIFY_DEFAULT = 0, # /*!< */ +VERIFY_MD5 = 1 << 0 # /*!< from --nomd5 */ +VERIFY_SIZE = 1 << 1 # /*!< from --nosize */ +VERIFY_LINKTO = 1 << 2 # /*!< from --nolinkto */ +VERIFY_USER = 1 << 3 # /*!< from --nouser */ +VERIFY_GROUP = 1 << 4 # /*!< from --nogroup */ +VERIFY_MTIME = 1 << 5 # /*!< from --nomtime */ +VERIFY_MODE = 1 << 6 # /*!< from --nomode */ +VERIFY_RDEV = 1 << 7 # /*!< from --nodev */ +# /* bits 8-14 unused, reserved for rpmVerifyAttrs */ +VERIFY_CONTEXTS = 1 << 15 # /*!< verify: from --nocontexts */ +VERIFY_FILES = 1 << 16 # /*!< verify: from --nofiles */ +VERIFY_DEPS = 1 << 17 # /*!< verify: from --nodeps */ +VERIFY_SCRIPT = 1 << 18 # /*!< verify: from --noscripts */ +VERIFY_DIGEST = 1 << 19 # /*!< verify: from --nodigest */ +VERIFY_SIGNATURE = 1 << 20 # /*!< verify: from --nosignature */ +VERIFY_PATCHES = 1 << 21 # /*!< verify: from --nopatches */ +VERIFY_HDRCHK = 1 << 22 # /*!< verify: from --nohdrchk */ +VERIFY_FOR_LIST = 1 << 23 # /*!< query: from --list */ +VERIFY_FOR_STATE = 1 << 24 # /*!< query: from --state */ +VERIFY_FOR_DOCS = 1 << 25 # /*!< query: from --docfiles */ +VERIFY_FOR_CONFIG = 1 << 26 # /*!< query: from --configfiles */ +VERIFY_FOR_DUMPFILES = 1 << 27 # /*!< query: from --dump */ +# /* bits 28-31 used in rpmVerifyAttrs */ + +# Comes from C cource. lib/rpmcli.h +VERIFY_ATTRS = \ + (VERIFY_MD5 | VERIFY_SIZE | VERIFY_LINKTO | VERIFY_USER | VERIFY_GROUP | \ + VERIFY_MTIME | VERIFY_MODE | VERIFY_RDEV | VERIFY_CONTEXTS) + +VERIFY_ALL = \ + (VERIFY_ATTRS | VERIFY_FILES | VERIFY_DEPS | VERIFY_SCRIPT | VERIFY_DIGEST |\ + VERIFY_SIGNATURE | VERIFY_HDRCHK) + + +# Some masks for what checks to NOT do on these file types. +# The C code actiually resets these up for every file. +DIR_FLAGS = ~(RPMVERIFY_MD5 | RPMVERIFY_FILESIZE | RPMVERIFY_MTIME | \ + RPMVERIFY_LINKTO) + +# These file types all have the same mask, but hopefully this will make the +# code more readable. +FIFO_FLAGS = CHR_FLAGS = BLK_FLAGS = GHOST_FLAGS = DIR_FLAGS + +LINK_FLAGS = ~(RPMVERIFY_MD5 | RPMVERIFY_FILESIZE | RPMVERIFY_MTIME | \ + RPMVERIFY_MODE | RPMVERIFY_USER | RPMVERIFY_GROUP) + +REG_FLAGS = ~(RPMVERIFY_LINKTO) + + +def s_isdev(mode): + """ + Check to see if a file is a device. + + """ + return stat.S_ISBLK(mode) | stat.S_ISCHR(mode) + +def rpmpackagelist(rts): + """ + Equivalent of rpm -qa. Intended for RefreshPackages() in the RPM Driver. + Requires rpmtransactionset() to be run first to get a ts. + Returns a list of pkgspec dicts. + + e.g. [ {'name':'foo', 'epoch':'20', 'version':'1.2', 'release':'5', 'arch':'x86_64' }, + {'name':'bar', 'epoch':'10', 'version':'5.2', 'release':'2', 'arch':'x86_64' } ] + + """ + return [{'name':header[rpm.RPMTAG_NAME], + 'epoch':header[rpm.RPMTAG_EPOCH], + 'version':header[rpm.RPMTAG_VERSION], + 'release':header[rpm.RPMTAG_RELEASE], + 'arch':header[rpm.RPMTAG_ARCH], + 'gpgkeyid':header.sprintf("%|SIGGPG?{%{SIGGPG:pgpsig}}:{None}|").split()[-1]} + for header in rts.dbMatch()] + +def getindexbykeyword(index_ts, **kwargs): + """ + Return list of indexs from the rpmdb matching keywords + ex: getHeadersByKeyword(name='foo', version='1', release='1') + + Can be passed any structure that can be indexed by the pkgspec + keyswords as other keys are filtered out. + + """ + lst = [] + name = kwargs.get('name') + if name: + index_mi = index_ts.dbMatch(rpm.RPMTAG_NAME, name) + else: + index_mi = index_ts.dbMatch() + + if 'epoch' in kwargs: + if kwargs['epoch'] != None and kwargs['epoch'] != 'None': + kwargs['epoch'] = int(kwargs['epoch']) + else: + del(kwargs['epoch']) + + keywords = [key for key in list(kwargs.keys()) \ + if key in ('name', 'epoch', 'version', 'release', 'arch')] + keywords_len = len(keywords) + for hdr in index_mi: + match = 0 + for keyword in keywords: + if hdr[keyword] == kwargs[keyword]: + match += 1 + if match == keywords_len: + lst.append(index_mi.instance()) + del index_mi + return lst + +def getheadersbykeyword(header_ts, **kwargs): + """ + Borrowed parts of this from from Yum. Need to fix it though. + Epoch is not handled right. + + Return list of headers from the rpmdb matching keywords + ex: getHeadersByKeyword(name='foo', version='1', release='1') + + Can be passed any structure that can be indexed by the pkgspec + keyswords as other keys are filtered out. + + """ + lst = [] + name = kwargs.get('name') + if name: + header_mi = header_ts.dbMatch(rpm.RPMTAG_NAME, name) + else: + header_mi = header_ts.dbMatch() + + if 'epoch' in kwargs: + if kwargs['epoch'] != None and kwargs['epoch'] != 'None': + kwargs['epoch'] = int(kwargs['epoch']) + else: + del(kwargs['epoch']) + + keywords = [key for key in list(kwargs.keys()) \ + if key in ('name', 'epoch', 'version', 'release', 'arch')] + keywords_len = len(keywords) + for hdr in header_mi: + match = 0 + for keyword in keywords: + if hdr[keyword] == kwargs[keyword]: + match += 1 + if match == keywords_len: + lst.append(hdr) + del header_mi + return lst + +def prelink_md5_check(filename): + """ + Checks if a file is prelinked. If it is run it through prelink -y + to get the unprelinked md5 and file size. + + Return 0 if the file was not prelinked, otherwise return the file size. + Always return the md5. + + """ + prelink = False + try: + plf = open(filename, "rb") + except IOError: + return False, 0 + + if prelink_exists: + if isprelink_imported: + plfd = plf.fileno() + if isprelink(plfd): + plf.close() + cmd = '/usr/sbin/prelink -y %s 2> /dev/null' \ + % (re.escape(filename)) + plf = os.popen(cmd, 'rb') + prelink = True + elif whitelist_re.search(filename) and not blacklist_re.search(filename): + plf.close() + cmd = '/usr/sbin/prelink -y %s 2> /dev/null' \ + % (re.escape(filename)) + plf = os.popen(cmd, 'rb') + prelink = True + + fsize = 0 + if py24compat: + chksum = md5.new() + else: + chksum = hashlib.md5() + while 1: + data = plf.read() + if not data: + break + fsize += len(data) + chksum.update(data) + plf.close() + file_md5 = chksum.hexdigest() + if prelink: + return file_md5, fsize + else: + return file_md5, 0 + +def prelink_size_check(filename): + """ + This check is only done if the prelink_md5_check() is not done first. + + Checks if a file is prelinked. If it is run it through prelink -y + to get the unprelinked file size. + + Return 0 if the file was not prelinked, otherwise return the file size. + + """ + fsize = 0 + try: + plf = open(filename, "rb") + except IOError: + return False + + if prelink_exists: + if isprelink_imported: + plfd = plf.fileno() + if isprelink(plfd): + plf.close() + cmd = '/usr/sbin/prelink -y %s 2> /dev/null' \ + % (re.escape(filename)) + plf = os.popen(cmd, 'rb') + + while 1: + data = plf.read() + if not data: + break + fsize += len(data) + + elif whitelist_re.search(filename) and not blacklist_re.search(filename): + # print "***** Warning isprelink extension failed to import ******" + plf.close() + cmd = '/usr/sbin/prelink -y %s 2> /dev/null' \ + % (re.escape(filename)) + plf = os.popen(cmd, 'rb') + + while 1: + data = plf.read() + if not data: + break + fsize += len(data) + + plf.close() + + return fsize + +def debug_verify_flags(vflags): + """ + Decodes the verify flags bits. + """ + if vflags & RPMVERIFY_MD5: + print('RPMVERIFY_MD5') + if vflags & RPMVERIFY_FILESIZE: + print('RPMVERIFY_FILESIZE') + if vflags & RPMVERIFY_LINKTO: + print('RPMVERIFY_LINKTO') + if vflags & RPMVERIFY_USER: + print('RPMVERIFY_USER') + if vflags & RPMVERIFY_GROUP: + print('RPMVERIFY_GROUP') + if vflags & RPMVERIFY_MTIME: + print('RPMVERIFY_MTIME') + if vflags & RPMVERIFY_MODE: + print('RPMVERIFY_MODE') + if vflags & RPMVERIFY_RDEV: + print('RPMVERIFY_RDEV') + if vflags & RPMVERIFY_CONTEXTS: + print('RPMVERIFY_CONTEXTS') + if vflags & RPMVERIFY_READLINKFAIL: + print('RPMVERIFY_READLINKFAIL') + if vflags & RPMVERIFY_READFAIL: + print('RPMVERIFY_READFAIL') + if vflags & RPMVERIFY_LSTATFAIL: + print('RPMVERIFY_LSTATFAIL') + if vflags & RPMVERIFY_LGETFILECONFAIL: + print('RPMVERIFY_LGETFILECONFAIL') + +def debug_file_flags(fflags): + """ + Decodes the file flags bits. + """ + if fflags & rpm.RPMFILE_CONFIG: + print('rpm.RPMFILE_CONFIG') + + if fflags & rpm.RPMFILE_DOC: + print('rpm.RPMFILE_DOC') + + if fflags & rpm.RPMFILE_ICON: + print('rpm.RPMFILE_ICON') + + if fflags & rpm.RPMFILE_MISSINGOK: + print('rpm.RPMFILE_MISSINGOK') + + if fflags & rpm.RPMFILE_NOREPLACE: + print('rpm.RPMFILE_NOREPLACE') + + if fflags & rpm.RPMFILE_GHOST: + print('rpm.RPMFILE_GHOST') + + if fflags & rpm.RPMFILE_LICENSE: + print('rpm.RPMFILE_LICENSE') + + if fflags & rpm.RPMFILE_README: + print('rpm.RPMFILE_README') + + if fflags & rpm.RPMFILE_EXCLUDE: + print('rpm.RPMFILE_EXLUDE') + + if fflags & rpm.RPMFILE_UNPATCHED: + print('rpm.RPMFILE_UNPATCHED') + + if fflags & rpm.RPMFILE_PUBKEY: + print('rpm.RPMFILE_PUBKEY') + +def rpm_verify_file(fileinfo, rpmlinktos, omitmask): + """ + Verify all the files in a package. + + Returns a list of error flags, the file type and file name. The list + entries are strings that are the same as the labels for the bitwise + flags used in the C code. + + """ + (fname, fsize, fmode, fmtime, fflags, frdev, finode, fnlink, fstate, \ + vflags, fuser, fgroup, fmd5) = fileinfo + + # 1. rpmtsRootDir stuff. What does it do and where to I get it from? + + file_results = [] + flags = vflags + + # Check to see if the file was installed - if not pretend all is ok. + # This is what the rpm C code does! + if fstate != rpm.RPMFILE_STATE_NORMAL: + return file_results + + # Get the installed files stats + try: + lstat = os.lstat(fname) + except OSError: + if not (fflags & (rpm.RPMFILE_MISSINGOK|rpm.RPMFILE_GHOST)): + file_results.append('RPMVERIFY_LSTATFAIL') + #file_results.append(fname) + return file_results + + # 5. Contexts? SELinux stuff? + + # Setup what checks to do. This is straight out of the C code. + if stat.S_ISDIR(lstat.st_mode): + flags &= DIR_FLAGS + elif stat.S_ISLNK(lstat.st_mode): + flags &= LINK_FLAGS + elif stat.S_ISFIFO(lstat.st_mode): + flags &= FIFO_FLAGS + elif stat.S_ISCHR(lstat.st_mode): + flags &= CHR_FLAGS + elif stat.S_ISBLK(lstat.st_mode): + flags &= BLK_FLAGS + else: + flags &= REG_FLAGS + + if (fflags & rpm.RPMFILE_GHOST): + flags &= GHOST_FLAGS + + flags &= ~(omitmask | RPMVERIFY_FAILURES) + + # 8. SELinux stuff. + + prelink_size = 0 + if flags & RPMVERIFY_MD5: + prelink_md5, prelink_size = prelink_md5_check(fname) + if prelink_md5 == False: + file_results.append('RPMVERIFY_MD5') + file_results.append('RPMVERIFY_READFAIL') + elif prelink_md5 != fmd5: + file_results.append('RPMVERIFY_MD5') + + if flags & RPMVERIFY_LINKTO: + linkto = os.readlink(fname) + if not linkto: + file_results.append('RPMVERIFY_READLINKFAIL') + file_results.append('RPMVERIFY_LINKTO') + else: + if len(rpmlinktos) == 0 or linkto != rpmlinktos: + file_results.append('RPMVERIFY_LINKTO') + + if flags & RPMVERIFY_FILESIZE: + if not (flags & RPMVERIFY_MD5): # prelink check hasn't been done. + prelink_size = prelink_size_check(fname) + if (prelink_size != 0): # This is a prelinked file. + if (prelink_size != fsize): + file_results.append('RPMVERIFY_FILESIZE') + elif lstat.st_size != fsize: # It wasn't a prelinked file. + file_results.append('RPMVERIFY_FILESIZE') + + if flags & RPMVERIFY_MODE: + metamode = fmode + filemode = lstat.st_mode + + # Comparing the type of %ghost files is meaningless, but perms are ok. + if fflags & rpm.RPMFILE_GHOST: + metamode &= ~0xf000 + filemode &= ~0xf000 + + if (stat.S_IFMT(metamode) != stat.S_IFMT(filemode)) or \ + (stat.S_IMODE(metamode) != stat.S_IMODE(filemode)): + file_results.append('RPMVERIFY_MODE') + + if flags & RPMVERIFY_RDEV: + if (stat.S_ISCHR(fmode) != stat.S_ISCHR(lstat.st_mode) or + stat.S_ISBLK(fmode) != stat.S_ISBLK(lstat.st_mode)): + file_results.append('RPMVERIFY_RDEV') + elif (s_isdev(fmode) & s_isdev(lstat.st_mode)): + st_rdev = lstat.st_rdev + if frdev != st_rdev: + file_results.append('RPMVERIFY_RDEV') + + if flags & RPMVERIFY_MTIME: + if lstat.st_mtime != fmtime: + file_results.append('RPMVERIFY_MTIME') + + if flags & RPMVERIFY_USER: + try: + user = pwd.getpwuid(lstat.st_uid)[0] + except KeyError: + user = None + if not user or not fuser or (user != fuser): + file_results.append('RPMVERIFY_USER') + + if flags & RPMVERIFY_GROUP: + try: + group = grp.getgrgid(lstat.st_gid)[0] + except KeyError: + group = None + if not group or not fgroup or (group != fgroup): + file_results.append('RPMVERIFY_GROUP') + + return file_results + +def rpm_verify_dependencies(header): + """ + Check package dependencies. Header is an rpm.hdr. + + Don't like opening another ts to do this, but + it was the only way I could find of clearing the ts + out. + + Have asked on the rpm-maint list on how to do + this the right way (28 Feb 2007). + + ts.check() returns: + + ((name, version, release), (reqname, reqversion), \ + flags, suggest, sense) + + """ + _ts1 = rpmtransactionset() + _ts1.addInstall(header, 'Dep Check', 'i') + dep_errors = _ts1.check() + _ts1.closeDB() + return dep_errors + +def rpm_verify_package(vp_ts, header, verify_options): + """ + Verify a single package specified by header. Header is an rpm.hdr. + + If errors are found it returns a dictionary of errors. + + """ + # Set some transaction level flags. + vsflags = 0 + if 'nodigest' in verify_options: + vsflags |= rpm._RPMVSF_NODIGESTS + if 'nosignature' in verify_options: + vsflags |= rpm._RPMVSF_NOSIGNATURES + ovsflags = vp_ts.setVSFlags(vsflags) + + # Map from the Python options to the rpm bitwise flags. + omitmask = 0 + + if 'nolinkto' in verify_options: + omitmask |= VERIFY_LINKTO + if 'nomd5' in verify_options: + omitmask |= VERIFY_MD5 + if 'nosize' in verify_options: + omitmask |= VERIFY_SIZE + if 'nouser' in verify_options: + omitmask |= VERIFY_USER + if 'nogroup' in verify_options: + omitmask |= VERIFY_GROUP + if 'nomtime' in verify_options: + omitmask |= VERIFY_MTIME + if 'nomode' in verify_options: + omitmask |= VERIFY_MODE + if 'nordev' in verify_options: + omitmask |= VERIFY_RDEV + + omitmask = ((~omitmask & VERIFY_ATTRS) ^ VERIFY_ATTRS) + #print 'omitmask =', omitmask + + package_results = {} + + # Check Signatures and Digests. + # No idea what this might return. Need to break something to see. + # Setting the vsflags above determines what gets checked in the header. + hdr_stat = vp_ts.hdrCheck(header.unload()) + if hdr_stat: + package_results['hdr'] = hdr_stat + + # Check Package Depencies. + if 'nodeps' not in verify_options: + dep_stat = rpm_verify_dependencies(header) + if dep_stat: + package_results['deps'] = dep_stat + + # Check all the package files. + if 'nofiles' not in verify_options: + vp_fi = header.fiFromHeader() + for fileinfo in vp_fi: + # Do not bother doing anything with ghost files. + # This is what RPM does. + if fileinfo[4] & rpm.RPMFILE_GHOST: + continue + + # This is only needed because of an inconsistency in the + # rpm.fi interface. + linktos = vp_fi.FLink() + + file_stat = rpm_verify_file(fileinfo, linktos, omitmask) + + #if len(file_stat) > 0 or options.verbose: + if len(file_stat) > 0: + fflags = fileinfo[4] + if fflags & rpm.RPMFILE_CONFIG: + file_stat.append('c') + elif fflags & rpm.RPMFILE_DOC: + file_stat.append('d') + elif fflags & rpm.RPMFILE_GHOST: + file_stat.append('g') + elif fflags & rpm.RPMFILE_LICENSE: + file_stat.append('l') + elif fflags & rpm.RPMFILE_PUBKEY: + file_stat.append('P') + elif fflags & rpm.RPMFILE_README: + file_stat.append('r') + else: + file_stat.append(' ') + + file_stat.append(fileinfo[0]) # The filename. + package_results.setdefault('files', []).append(file_stat) + + # Run the verify script if there is one. + # Do we want this? + #if 'noscripts' not in verify_options: + # script_stat = rpmVerifyscript() + # if script_stat: + # package_results['script'] = script_stat + + # If there have been any errors, add the package nevra to the result. + if len(package_results) > 0: + package_results.setdefault('nevra', (header[rpm.RPMTAG_NAME], \ + header[rpm.RPMTAG_EPOCH], \ + header[rpm.RPMTAG_VERSION], \ + header[rpm.RPMTAG_RELEASE], \ + header[rpm.RPMTAG_ARCH])) + else: + package_results = None + + # Put things back the way we found them. + vsflags = vp_ts.setVSFlags(ovsflags) + + return package_results + +def rpm_verify(verify_ts, verify_pkgspec, verify_options=[]): + """ + Requires rpmtransactionset() to be run first to get a ts. + + pkgspec is a dict specifying the package + e.g.: + For a single package + { name='foo', epoch='20', version='1', release='1', arch='x86_64'} + + For all packages + {} + + Or any combination of keywords to select one or more packages to verify. + + options is a list of 'rpm --verify' options. Default is to check everything. + e.g.: + [ 'nodeps', 'nodigest', 'nofiles', 'noscripts', 'nosignature', + 'nolinkto' 'nomd5', 'nosize', 'nouser', 'nogroup', 'nomtime', + 'nomode', 'nordev' ] + + Returns a list. One list entry per package. Each list entry is a + dictionary. Dict keys are 'files', 'deps', 'nevra' and 'hdr'. + Entries only get added for the failures. If nothing failed, None is + returned. + + Its all a bit messy and probably needs reviewing. + + [ { 'hdr': [???], + 'deps: [((name, version, release), (reqname, reqversion), + flags, suggest, sense), .... ] + 'files': [ ['filename1', 'RPMVERIFY_GROUP', 'RPMVERIFY_USER' ], + ['filename2', 'RPMVERFIY_LSTATFAIL']] + 'nevra': ['name1', 'epoch1', 'version1', 'release1', 'arch1'] } + { 'hdr': [???], + 'deps: [((name, version, release), (reqname, reqversion), + flags, suggest, sense), .... ] + 'files': [ ['filename', 'RPMVERIFY_GROUP', 'RPMVERIFY_USER" ], + ['filename2', 'RPMVERFIY_LSTATFAIL']] + 'nevra': ['name2', 'epoch2', 'version2', 'release2', 'arch2'] } ] + + """ + verify_results = [] + headers = getheadersbykeyword(verify_ts, **verify_pkgspec) + for header in headers: + result = rpm_verify_package(verify_ts, header, verify_options) + if result: + verify_results.append(result) + + return verify_results + +def rpmtransactionset(): + """ + A simple wrapper for rpm.TransactionSet() to keep everthiing together. + Might use it to set some ts level flags later. + + """ + ts = rpm.TransactionSet() + return ts + +class Rpmtscallback(object): + """ + Callback for ts.run(). Used for adding, upgrading and removing packages. + Starting with all possible reasons codes, but bcfg2 will probably only + make use of a few of them. + + Mostly just printing stuff at the moment to understand how the callback + is used. + + """ + def __init__(self): + self.fdnos = {} + + def callback(self, reason, amount, total, key, client_data): + """ + Generic rpmts call back. + """ + if reason == rpm.RPMCALLBACK_INST_OPEN_FILE: + pass + #print 'rpm.RPMCALLBACK_INST_OPEN_FILE' + elif reason == rpm.RPMCALLBACK_INST_CLOSE_FILE: + pass + #print 'rpm.RPMCALLBACK_INST_CLOSE_FILE' + elif reason == rpm.RPMCALLBACK_INST_START: + pass + #print 'rpm.RPMCALLBACK_INST_START' + elif reason == rpm.RPMCALLBACK_TRANS_PROGRESS or \ + reason == rpm.RPMCALLBACK_INST_PROGRESS: + pass + #print 'rpm.RPMCALLBACK_TRANS_PROGRESS or \ + # rpm.RPMCALLBACK_INST_PROGRESS' + elif reason == rpm.RPMCALLBACK_TRANS_START: + pass + #print 'rpm.RPMCALLBACK_TRANS_START' + elif reason == rpm.RPMCALLBACK_TRANS_STOP: + pass + #print 'rpm.RPMCALLBACK_TRANS_STOP' + elif reason == rpm.RPMCALLBACK_REPACKAGE_START: + pass + #print 'rpm.RPMCALLBACK_REPACKAGE_START' + elif reason == rpm.RPMCALLBACK_REPACKAGE_PROGRESS: + pass + #print 'rpm.RPMCALLBACK_REPACKAGE_PROGRESS' + elif reason == rpm.RPMCALLBACK_REPACKAGE_STOP: + pass + #print 'rpm.RPMCALLBACK_REPACKAGE_STOP' + elif reason == rpm.RPMCALLBACK_UNINST_PROGRESS: + pass + #print 'rpm.RPMCALLBACK_UNINST_PROGRESS' + elif reason == rpm.RPMCALLBACK_UNINST_START: + pass + #print 'rpm.RPMCALLBACK_UNINST_START' + elif reason == rpm.RPMCALLBACK_UNINST_STOP: + pass + #print 'rpm.RPMCALLBACK_UNINST_STOP' + #print '***Package ', key, ' deleted ***' + # How do we get at this? + # RPM.modified += key + elif reason == rpm.RPMCALLBACK_UNPACK_ERROR: + pass + #print 'rpm.RPMCALLBACK_UNPACK_ERROR' + elif reason == rpm.RPMCALLBACK_CPIO_ERROR: + pass + #print 'rpm.RPMCALLBACK_CPIO_ERROR' + elif reason == rpm.RPMCALLBACK_UNKNOWN: + pass + #print 'rpm.RPMCALLBACK_UNKNOWN' + else: + print('ERROR - Fell through callBack') + + #print reason, amount, total, key, client_data + +def rpm_erase(erase_pkgspecs, erase_flags): + """ + pkgspecs is a list of pkgspec dicts specifying packages + e.g.: + For a single package + { name='foo', epoch='20', version='1', release='1', arch='x86_64'} + + """ + erase_ts_flags = 0 + if 'noscripts' in erase_flags: + erase_ts_flags |= rpm.RPMTRANS_FLAG_NOSCRIPTS + if 'notriggers' in erase_flags: + erase_ts_flags |= rpm.RPMTRANS_FLAG_NOTRIGGERS + if 'repackage' in erase_flags: + erase_ts_flags |= rpm.RPMTRANS_FLAG_REPACKAGE + + erase_ts = rpmtransactionset() + erase_ts.setFlags(erase_ts_flags) + + for pkgspec in erase_pkgspecs: + idx_list = getindexbykeyword(erase_ts, **pkgspec) + if len(idx_list) > 1 and not 'allmatches' in erase_flags: + #pass + print('ERROR - Multiple package match for erase', pkgspec) + else: + for idx in idx_list: + erase_ts.addErase(idx) + + #for te in erase_ts: + # print "%s %s:%s-%s.%s" % (te.N(), te.E(), te.V(), te.R(), te.A()) + + erase_problems = [] + if 'nodeps' not in erase_flags: + erase_problems = erase_ts.check() + + if erase_problems == []: + erase_ts.order() + erase_callback = Rpmtscallback() + erase_ts.run(erase_callback.callback, 'Erase') + #else: + # print 'ERROR - Dependency failures on package erase' + # print erase_problems + + erase_ts.closeDB() + del erase_ts + return erase_problems + +def display_verify_file(file_results): + ''' + Display file results similar to rpm --verify. + ''' + filename = file_results[-1] + filetype = file_results[-2] + + result_string = '' + + if 'RPMVERIFY_LSTATFAIL' in file_results: + result_string = 'missing ' + else: + if 'RPMVERIFY_FILESIZE' in file_results: + result_string = result_string + 'S' + else: + result_string = result_string + '.' + + if 'RPMVERIFY_MODE' in file_results: + result_string = result_string + 'M' + else: + result_string = result_string + '.' + + if 'RPMVERIFY_MD5' in file_results: + if 'RPMVERIFY_READFAIL' in file_results: + result_string = result_string + '?' + else: + result_string = result_string + '5' + else: + result_string = result_string + '.' + + if 'RPMVERIFY_RDEV' in file_results: + result_string = result_string + 'D' + else: + result_string = result_string + '.' + + if 'RPMVERIFY_LINKTO' in file_results: + if 'RPMVERIFY_READLINKFAIL' in file_results: + result_string = result_string + '?' + else: + result_string = result_string + 'L' + else: + result_string = result_string + '.' + + if 'RPMVERIFY_USER' in file_results: + result_string = result_string + 'U' + else: + result_string = result_string + '.' + + if 'RPMVERIFY_GROUP' in file_results: + result_string = result_string + 'G' + else: + result_string = result_string + '.' + + if 'RPMVERIFY_MTIME' in file_results: + result_string = result_string + 'T' + else: + result_string = result_string + '.' + + print(result_string + ' ' + filetype + ' ' + filename) + sys.stdout.flush() + +#=============================================================================== +# Some options and output to assist with development and testing. +# These are not intended for normal use. +if __name__ == "__main__": + + p = optparse.OptionParser() + + p.add_option('--name', action='store', \ + default=None, \ + help='''Package name to verify. + + ****************************************** + NOT SPECIFYING A NAME MEANS 'ALL' PACKAGES. + ****************************************** + + The specified operation will be carried out on all + instances of packages that match the package specification + (name, epoch, version, release, arch).''') + + p.add_option('--epoch', action='store', \ + default=None, \ + help='''Package epoch.''') + + p.add_option('--version', action='store', \ + default=None, \ + help='''Package version.''') + + p.add_option('--release', action='store', \ + default=None, \ + help='''Package release.''') + + p.add_option('--arch', action='store', \ + default=None, \ + help='''Package arch.''') + + p.add_option('--erase', '-e', action='store_true', \ + default=None, \ + help='''**************************************************** + REMOVE PACKAGES. THERE ARE NO WARNINGS. MULTIPLE + PACKAGES WILL BE REMOVED IF A FULL PACKAGE SPEC IS NOT + GIVEN. E.G. IF JUST A NAME IS GIVEN ALL INSTALLED + INSTANCES OF THAT PACKAGE WILL BE REMOVED PROVIDED + DEPENDENCY CHECKS PASS. IF JUST AN EPOCH IS GIVEN + ALL PACKAGE INSTANCES WITH THAT EPOCH WILL BE REMOVED. + ****************************************************''') + + p.add_option('--list', '-l', action='store_true', \ + help='''List package identity info. rpm -qa ish equivalent + intended for use in RefreshPackages().''') + + p.add_option('--verify', action='store_true', \ + help='''Verify Package(s). Output is only produced after all + packages has been verified. Be patient.''') + + p.add_option('--verbose', '-v', action='store_true', \ + help='''Verbose output for --verify option. Output is the + same as rpm -v --verify.''') + + p.add_option('--nodeps', action='store_true', \ + default=False, \ + help='Do not do dependency testing.') + + p.add_option('--nodigest', action='store_true', \ + help='Do not check package digests.') + + p.add_option('--nofiles', action='store_true', \ + help='Do not do file checks.') + + p.add_option('--noscripts', action='store_true', \ + help='Do not run verification scripts.') + + p.add_option('--nosignature', action='store_true', \ + help='Do not do package signature verification.') + + p.add_option('--nolinkto', action='store_true', \ + help='Do not do symlink tests.') + + p.add_option('--nomd5', action='store_true', \ + help='''Do not do MD5 checksums on files. Note that this does + not work for prelink files yet.''') + + p.add_option('--nosize', action='store_true', \ + help='''Do not do file size tests. Note that this does not work + for prelink files yet.''') + + p.add_option('--nouser', action='store_true', \ + help='Do not check file user ownership.') + + p.add_option('--nogroup', action='store_true', \ + help='Do not check file group ownership.') + + p.add_option('--nomtime', action='store_true', \ + help='Do not check file modification times.') + + p.add_option('--nomode', action='store_true', \ + help='Do not check file modes (permissions).') + + p.add_option('--nordev', action='store_true', \ + help='Do not check device node.') + + p.add_option('--notriggers', action='store_true', \ + help='Do not do not generate triggers on erase.') + + p.add_option('--repackage', action='store_true', \ + help='''Do repackage on erase.i Packages are put + in /var/spool/repackage.''') + + p.add_option('--allmatches', action='store_true', \ + help='''Remove all package instances that match the + pkgspec. + + *************************************************** + NO WARNINGS ARE GIVEN. IF THERE IS NO PACKAGE SPEC + THAT MEANS ALL PACKAGES!!!! + ***************************************************''') + + options, arguments = p.parse_args() + + pkgspec = {} + rpm_options = [] + + if options.nodeps: + rpm_options.append('nodeps') + + if options.nodigest: + rpm_options.append('nodigest') + + if options.nofiles: + rpm_options.append('nofiles') + + if options.noscripts: + rpm_options.append('noscripts') + + if options.nosignature: + rpm_options.append('nosignature') + + if options.nolinkto: + rpm_options.append('nolinkto') + + if options.nomd5: + rpm_options.append('nomd5') + + if options.nosize: + rpm_options.append('nosize') + + if options.nouser: + rpm_options.append('nouser') + + if options.nogroup: + rpm_options.append('nogroup') + + if options.nomtime: + rpm_options.append('nomtime') + + if options.nomode: + rpm_options.append('nomode') + + if options.nordev: + rpm_options.append('nordev') + + if options.repackage: + rpm_options.append('repackage') + + if options.allmatches: + rpm_options.append('allmatches') + + main_ts = rpmtransactionset() + + cmdline_pkgspec = {} + if options.name != 'all': + if options.name: + cmdline_pkgspec['name'] = str(options.name) + if options.epoch: + cmdline_pkgspec['epoch'] = str(options.epoch) + if options.version: + cmdline_pkgspec['version'] = str(options.version) + if options.release: + cmdline_pkgspec['release'] = str(options.release) + if options.arch: + cmdline_pkgspec['arch'] = str(options.arch) + + if options.verify: + results = rpm_verify(main_ts, cmdline_pkgspec, rpm_options) + for r in results: + files = r.get('files', '') + for f in files: + display_verify_file(f) + + elif options.list: + for p in rpmpackagelist(main_ts): + print(p) + + elif options.erase: + if options.name: + rpm_erase([cmdline_pkgspec], rpm_options) + else: + print('You must specify the "--name" option') |