def _setSEcontext(filename, rfi):
"""Set SELinux context of filename data from RpmFileInfo rfi.
Raise OSError."""
if se_linux.is_selinux_enabled() >= 0:
context = se_linux.matchpathcon(rfi.filename, rfi.mode)
se_linux.lsetfilecon(filename, context[1])
else:
raise ImportError, "selinux module is not available"
def _setSEcontext(filename, rfi):
"""Set SELinux context of filename data from RpmFileInfo rfi.
Raise OSError."""
if se_linux.is_selinux_enabled() >= 0:
context = se_linux.matchpathcon(rfi.filename, rfi.mode)
se_linux.lsetfilecon(filename, context[1])
else:
raise ImportError, "selinux module is not available"
def runScript(prog=None, script=None, otherargs=[], force=False, rusage=False,
tmpdir="/var/tmp", chroot='', prefixes=None):
"""Run (script otherargs) with interpreter prog (which can be a list
containing initial arguments).
If prefixes is supplied, it's used to populate environment.
The following env. variables are defined: RPM_INSTALL_PREFIX.
Return (exit status, getrusage() stats, script output). Use None instead
of getrusage() data if !rusage. Disable ldconfig optimization if force.
Raise IOError, OSError."""
if chroot is None:
chroot = ''
# FIXME? hardcodes config.rpmconfig usage
if prog == None:
prog = "/bin/sh"
if prog == "/bin/sh" and script == None:
return (0, None, "")
tdir = chroot + tmpdir
if not os.path.exists(tdir):
try:
os.makedirs(os.path.dirname(tdir), mode=0755)
except OSError:
pass
try:
os.makedirs(tdir, mode=01777)
except OSError:
return (0, None, "")
if isinstance(prog, TupleType):
args = prog
else:
args = [prog]
if not force and args == ["/sbin/ldconfig"] and script == None:
if rpmconfig.delayldconfig == 1:
rpmconfig.ldconfig += 1
# FIXME: assumes delayldconfig is checked after all runScript
# invocations
rpmconfig.delayldconfig = 1
return (0, None, "")
elif rpmconfig.delayldconfig:
rpmconfig.delayldconfig = 0
runScript("/sbin/ldconfig", force=1, chroot=chroot)
if script != None:
(fd, tmpfilename) = mkstemp_file(tdir, "rpm-tmp.")
# test for open fds:
# script = "ls -l /proc/$$/fd >> /$$.out\n" + script
os.write(fd, script)
os.close(fd)
fd = None
args.append(tmpfilename[len(chroot):])
args += otherargs
(rfd, wfd) = os.pipe()
if rusage:
rusage_old = resource.getrusage(resource.RUSAGE_CHILDREN)
pid = os.fork()
if pid == 0:
try:
if chroot:
os.chroot(chroot)
os.close(rfd)
if not os.path.exists("/dev"):
os.mkdir("/dev")
if not os.path.exists("/dev/null"):
os.mknod("/dev/null", 0666, 259)
fd = os.open("/dev/null", os.O_RDONLY)
if fd != 0:
os.dup2(fd, 0)
os.close(fd)
if wfd != 1:
os.dup2(wfd, 1)
os.close(wfd)
os.dup2(1, 2)
os.chdir("/")
# FIXME: what about PATH=%{_install_script_path}?
e = {"HOME": "/", "USER": "******", "LOGNAME": "root",
"PATH": "/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin",
"PYRPM_VERSION" : __version__}
if prefixes:
e["RPM_INSTALL_PREFIX"] = prefixes[0]
idx = 1
for prefix in prefixes:
e["RPM_INSTALL_PREFIX%d" % idx] = prefix
idx += 1
if rpmconfig.selinux_enabled and se_linux.is_selinux_enabled():
_env = [ "%s=%s" % (key, e[key]) for key in e.keys() ]
se_linux.rpm_execcon(0, args[0], args, _env)
else:
os.execve(args[0], args, e)
finally:
os._exit(255)
os.close(wfd)
# no need to read in chunks if we don't pass on data to some output func
cret = ""
cout = os.read(rfd, 8192)
while cout:
cret += cout
cout = os.read(rfd, 8192)
os.close(rfd)
(cpid, status) = os.waitpid(pid, 0)
if rusage:
rusage_new = resource.getrusage(resource.RUSAGE_CHILDREN)
rusage_val = [rusage_new[i] - rusage_old[i]
for i in xrange(len(rusage_new))]
else:
rusage_val = None
if script != None:
os.unlink(tmpfilename)
return (status, rusage_val, cret)
def __init__(self):
(self.sysname, self.nodename, self.release, self.version,
self.machine) = os.uname()
self.printhash = 0
self.buildroot = ''
self.dbpath = "rpmdb://var/lib/rpm/"
self.force = 0
self.rusage = 0
self.oldpackage = 0
self.justdb = 0
self.test = 0
self.ignoresize = 0
self.ignorearch = 0
self.nodeps = 0
self.nosignature = 1 # Default: No signature/gpg checks
self.noorder = 0
self.noscripts = 0
self.notriggers = 0
self.noconflicts = 0
self.nofileconflicts = 0
self.excludedocs = 0
self.excludeconfigs = 0
self.checkinstalled = 0
self.exactarch = 1 # same base arch is not enough for updates
self.tid = int(time.time()) # Install time id.
self.tscolor = 0 # Transaction color, needed for rpmdb
self.nevratags = ("name", "epoch", "version", "release",
"arch", "sourcerpm")
self.resolvertags = self.nevratags + \
("providename", "provideflags", "provideversion", "requirename",
"requireflags", "requireversion", "obsoletename", "obsoleteflags",
"obsoleteversion", "conflictname", "conflictflags",
"conflictversion", "filesizes", "filemodes", "filemd5s",
"fileusername", "filegroupname", "filelinktos", "fileflags",
"filecolors", "fileverifyflags", "dirindexes", "basenames",
"dirnames", "oldfilenames", "md5", "sha1header", "archivesize",
"payloadsize")
# Tags used by RpmResolver
self.diskspacetags = self.nevratags + \
("filesizes", "dirindexes", "basenames",
"dirnames", "oldfilenames", "filemodes")
self.timer = 0 # Output timing information
self.ldconfig = 0 # Number of ldconfig calls optimized away
self.delayldconfig = 0 # A delayed ldconfig call is pending
self.service = 0 # Install /sbin/service with "exit 0"
self.yumconf = ['/etc/yum.conf'] # Yum config files
self.relver = None # Release version, needed by YumConfig
self.arch = None # If explicitly selected, for --test
self.archlist = None # Specific list of supported archs
self.tmpdir = None
self.supported_signals = [ signal.SIGINT, signal.SIGTERM,
signal.SIGHUP ]
self.srpmdir = "/usr/src/redhat/SOURCES" # Dir where srpms will be
# installed to
self.enablerepo = [ ] # Manually enabled repos
self.disablerepo = [ ] # Manually disabled repos
self.cachedir = "/var/cache/pyrpm" # Directory for cached files
self.nocache = 0 # Disable caching for packages
self.excludes = [ ]
# The first element should be a full path, interpreted outside
# self.buildroot
self.prelink_undo = ["/usr/sbin/prelink", "-y"]
self.diff = False # Try to show a diff in pyrpmverify
# Verify contents of all nonempty config files, even if the package has
# disabled it
self.verifyallconfig = False
self.keepcache = True # Keep cached packages after install
self.selinux_enabled = (se_linux.is_selinux_enabled() >= 0)
def runScript(prog=None,
script=None,
otherargs=[],
force=False,
rusage=False,
tmpdir="/var/tmp",
chroot='',
prefixes=None):
"""Run (script otherargs) with interpreter prog (which can be a list
containing initial arguments).
If prefixes is supplied, it's used to populate environment.
The following env. variables are defined: RPM_INSTALL_PREFIX.
Return (exit status, getrusage() stats, script output). Use None instead
of getrusage() data if !rusage. Disable ldconfig optimization if force.
Raise IOError, OSError."""
if chroot is None:
chroot = ''
# FIXME? hardcodes config.rpmconfig usage
if prog == None:
prog = "/bin/sh"
if prog == "/bin/sh" and script == None:
return (0, None, "")
tdir = chroot + tmpdir
if not os.path.exists(tdir):
try:
os.makedirs(os.path.dirname(tdir), mode=0755)
except OSError:
pass
try:
os.makedirs(tdir, mode=01777)
except OSError:
return (0, None, "")
if isinstance(prog, TupleType):
args = prog
else:
args = [prog]
if not force and args == ["/sbin/ldconfig"] and script == None:
if rpmconfig.delayldconfig == 1:
rpmconfig.ldconfig += 1
# FIXME: assumes delayldconfig is checked after all runScript
# invocations
rpmconfig.delayldconfig = 1
return (0, None, "")
elif rpmconfig.delayldconfig:
rpmconfig.delayldconfig = 0
runScript("/sbin/ldconfig", force=1, chroot=chroot)
if script != None:
(fd, tmpfilename) = mkstemp_file(tdir, "rpm-tmp.")
# test for open fds:
# script = "ls -l /proc/$$/fd >> /$$.out\n" + script
os.write(fd, script)
os.close(fd)
fd = None
args.append(tmpfilename[len(chroot):])
args += otherargs
(rfd, wfd) = os.pipe()
if rusage:
rusage_old = resource.getrusage(resource.RUSAGE_CHILDREN)
pid = os.fork()
if pid == 0:
try:
if chroot:
os.chroot(chroot)
os.close(rfd)
if not os.path.exists("/dev"):
os.mkdir("/dev")
if not os.path.exists("/dev/null"):
os.mknod("/dev/null", 0666, 259)
fd = os.open("/dev/null", os.O_RDONLY)
if fd != 0:
os.dup2(fd, 0)
os.close(fd)
if wfd != 1:
os.dup2(wfd, 1)
os.close(wfd)
os.dup2(1, 2)
os.chdir("/")
# FIXME: what about PATH=%{_install_script_path}?
e = {
"HOME": "/",
"USER": "******",
"LOGNAME": "root",
"PATH": "/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin",
"PYRPM_VERSION": __version__
}
if prefixes:
e["RPM_INSTALL_PREFIX"] = prefixes[0]
idx = 1
for prefix in prefixes:
e["RPM_INSTALL_PREFIX%d" % idx] = prefix
idx += 1
if rpmconfig.selinux_enabled and se_linux.is_selinux_enabled():
_env = ["%s=%s" % (key, e[key]) for key in e.keys()]
se_linux.rpm_execcon(0, args[0], args, _env)
else:
os.execve(args[0], args, e)
finally:
os._exit(255)
os.close(wfd)
# no need to read in chunks if we don't pass on data to some output func
cret = ""
cout = os.read(rfd, 8192)
while cout:
cret += cout
cout = os.read(rfd, 8192)
os.close(rfd)
(cpid, status) = os.waitpid(pid, 0)
if rusage:
rusage_new = resource.getrusage(resource.RUSAGE_CHILDREN)
rusage_val = [
rusage_new[i] - rusage_old[i] for i in xrange(len(rusage_new))
]
else:
rusage_val = None
if script != None:
os.unlink(tmpfilename)
return (status, rusage_val, cret)
