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#
# Copyright (c) 2008--2015 Red Hat, Inc.
#
# This software is licensed to you under the GNU General Public License,
# version 2 (GPLv2). There is NO WARRANTY for this software, express or
# implied, including the implied warranties of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
# along with this software; if not, see
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
#
# Red Hat trademarks are not licensed under GPLv2. No permission is
# granted to use or replicate Red Hat trademarks that are incorporated
# in this software or its documentation.
#
import os
from types import ListType
from spacewalk.common import rhnFlags
from spacewalk.common.rhnLog import log_debug, log_error
from spacewalk.common.rhnConfig import CFG
from spacewalk.common.rhnException import rhnFault
from spacewalk.common.rhnTranslate import _
from spacewalk.server import rhnSQL
from rhnLib import parseRPMFilename
#
# Functions that deal with the database
#
# New client
# Returns a package path, given a server_id, package filename and channel label
def get_package_path(server_id, pkg_spec, channel):
log_debug(3, server_id, pkg_spec, channel)
if isinstance(pkg_spec, ListType):
pkg = pkg_spec[:4]
# Insert EPOCH
pkg.insert(1, None)
else:
pkg = parseRPMFilename(pkg_spec)
if pkg is None:
log_debug(4, "Error", "Requested weird package", pkg_spec)
raise rhnFault(17, _("Invalid RPM package %s requested") % pkg_spec)
statement = """
select p.id, p.path path, pe.epoch epoch
from
rhnPackageArch pa,
rhnChannelPackage cp,
rhnPackage p,
rhnPackageEVR pe,
rhnServerChannel sc,
rhnPackageName pn,
rhnChannel c
where 1=1
and c.label = :channel
and pn.name = :name
and sc.server_id = :server_id
and pe.version = :ver
and pe.release = :rel
and c.id = sc.channel_id
and c.id = cp.channel_id
and pa.label = :arch
and pn.id = p.name_id
and p.id = cp.package_id
and p.evr_id = pe.id
and sc.channel_id = cp.channel_id
and p.package_arch_id = pa.id
"""
h = rhnSQL.prepare(statement)
pkg = map(str, pkg)
h.execute(name=pkg[0], ver=pkg[2], rel=pkg[3], arch=pkg[4],
channel=channel, server_id=server_id)
rs = h.fetchall_dict()
if not rs:
log_debug(4, "Error", "Non-existant package requested", server_id,
pkg_spec, channel)
raise rhnFault(17, _("Invalid RPM package %s requested") % pkg_spec)
# It is unlikely for this query to return more than one row,
# but it is possible
# (having two packages with the same n, v, r, a and different epoch in
# the same channel is prohibited by the RPM naming scheme; but extra
# care won't hurt)
max_row = rs[0]
for each in rs[1:]:
# Compare the epoch as string
if _none2emptyString(each['epoch']) > _none2emptyString(max_row['epoch']):
max_row = each
# Set the flag for the proxy download accelerator
rhnFlags.set("Download-Accelerator-Path", max_row['path'])
return check_package_file(max_row['path'], max_row['id'], pkg_spec), max_row['id']
def check_package_file(rel_path, logpkg, raisepkg):
if rel_path is None:
log_error("Package path null for package id", logpkg)
raise rhnFault(17, _("Invalid RPM package %s requested") % raisepkg)
filePath = "%s/%s" % (CFG.MOUNT_POINT, rel_path)
if not os.access(filePath, os.R_OK):
# Package not found on the filesystem
log_error("Package not found", filePath)
raise rhnFault(17, _("Package not found"))
return filePath
def unlink_package_file(path):
try:
os.unlink(path)
except OSError:
log_debug(1, "Error unlinking %s;" % path)
dirname = os.path.dirname(path)
base_dirs = (CFG.MOUNT_POINT + '/' + CFG.PREPENDED_DIR, CFG.MOUNT_POINT)
while dirname not in base_dirs:
try:
os.rmdir(dirname)
except OSError, e:
if e.errno == 39: # OSError: [Errno 39] Directory not empty
break
else:
raise
dirname = os.path.dirname(dirname)
def get_all_package_paths(server_id, pkg_spec, channel):
"""
return the remote path if available and localpath
for the requested package with respect to package id
"""
log_debug(3, server_id, pkg_spec, channel)
remotepath = None
# get the path and package
localpath, pkg_id = get_package_path(server_id, pkg_spec, channel)
return remotepath, localpath
# New client
# Returns the path to a source rpm
def get_source_package_path(server_id, pkgFilename, channel):
log_debug(3, server_id, pkgFilename, channel)
rs = __query_source_package_path_by_name(server_id, pkgFilename, channel)
if rs is None:
log_debug(4, "Error", "Non-existant package requested", server_id,
pkgFilename, channel)
raise rhnFault(17, _("Invalid RPM package %s requested") % pkgFilename)
# Set the flag for the proxy download accelerator
rhnFlags.set("Download-Accelerator-Path", rs['path'])
return check_package_file(rs['path'], pkgFilename, pkgFilename)
# 0 or 1: is this source in this channel?
def package_source_in_channel(server_id, pkgFilename, channel):
log_debug(3, server_id, pkgFilename, channel)
rs = __query_source_package_path_by_name(server_id, pkgFilename, channel)
if rs is None:
return 0
return 1
# The query used both in get_source_package_path and package_source_in_channel
def __query_source_package_path_by_name(server_id, pkgFilename, channel):
statement = """
select
unique ps.path
from
rhnSourceRPM sr,
rhnPackageSource ps,
rhnPackage p,
rhnChannelPackage cp,
rhnChannel c,
rhnServerChannel sc
where
sc.server_id = :server_id
and sc.channel_id = cp.channel_id
and cp.channel_id = c.id
and c.label = :channel
and cp.package_id = p.id
and p.source_rpm_id = sr.id
and sr.name = :name
and p.source_rpm_id = ps.source_rpm_id
and ((p.org_id is null and ps.org_id is null)
or p.org_id = ps.org_id)
"""
h = rhnSQL.prepare(statement)
h.execute(name=pkgFilename, channel=channel, server_id=server_id)
return h.fetchone_dict()
def get_info_for_package(pkg, channel_id, org_id):
log_debug(3, pkg)
pkg = map(str, pkg)
params = {'name': pkg[0],
'ver': pkg[1],
'rel': pkg[2],
'epoch': pkg[3],
'arch': pkg[4],
'channel_id': channel_id,
'org_id': org_id}
# yum repo has epoch="0" not only when epoch is "0" but also if it's NULL
# BUG: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
# if pkg[3] == '0' or pkg[3] == '':
# FIXED:
if pkg[3] == '0' or pkg[3] == '' or pkg[3]==None:
epochStatement = "(epoch is null or epoch = :epoch)"
else:
epochStatement = "epoch = :epoch"
if params['org_id']:
orgStatement = "org_id = :org_id"
else:
orgStatement = "org_id is null"
statement = """
select p.path, cp.channel_id,
cv.checksum_type, cv.checksum
from rhnPackage p
join rhnPackageName pn
on p.name_id = pn.id
join rhnPackageEVR pe
on p.evr_id = pe.id
join rhnPackageArch pa
on p.package_arch_id = pa.id
left join rhnChannelPackage cp
on p.id = cp.package_id
and cp.channel_id = :channel_id
join rhnChecksumView cv
on p.checksum_id = cv.id
where pn.name = :name
and pe.version = :ver
and pe.release = :rel
and %s
and pa.label = :arch
and %s
order by cp.channel_id nulls last
""" % (epochStatement, orgStatement)
h = rhnSQL.prepare(statement)
h.execute(**params)
ret = h.fetchone_dict()
if not ret:
return {'path': None,
'channel_id': None,
'checksum_type': None,
'checksum': None,
}
return ret
def _none2emptyString(foo):
if foo is None:
return ""
return str(foo)
if __name__ == '__main__':
"""Test code.
"""
from spacewalk.common.rhnLog import initLOG
initLOG("stdout", 1)
rhnSQL.initDB()
print
# new client
print get_package_path(1000463284, 'kernel-2.4.2-2.i686.rpm', 'redhat-linux-i386-7.1')
print get_source_package_path(1000463284, 'kernel-2.4.2-2.i686.rpm', 'redhat-linux-i386-7.1')
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