| # elog/mod_save.py - elog dispatch module |
| # Copyright 2006-2012 Gentoo Foundation |
| # Distributed under the terms of the GNU General Public License v2 |
| |
| import errno |
| import io |
| import time |
| import portage |
| from portage import os |
| from portage import _encodings |
| from portage import _unicode_decode |
| from portage import _unicode_encode |
| from portage.data import portage_gid, portage_uid |
| from portage.package.ebuild.prepare_build_dirs import _ensure_log_subdirs |
| from portage.util import apply_permissions, ensure_dirs, normalize_path |
| |
| def process(mysettings, key, logentries, fulltext): |
| |
| if mysettings.get("PORTAGE_LOGDIR"): |
| logdir = normalize_path(mysettings["PORTAGE_LOGDIR"]) |
| else: |
| logdir = os.path.join(os.sep, mysettings["EPREFIX"].lstrip(os.sep), |
| "var", "log", "portage") |
| |
| if not os.path.isdir(logdir): |
| # Only initialize group/mode if the directory doesn't |
| # exist, so that we don't override permissions if they |
| # were previously set by the administrator. |
| # NOTE: These permissions should be compatible with our |
| # default logrotate config as discussed in bug 374287. |
| uid = -1 |
| if portage.data.secpass >= 2: |
| uid = portage_uid |
| ensure_dirs(logdir, uid=uid, gid=portage_gid, mode=0o2770) |
| |
| cat, pf = portage.catsplit(key) |
| |
| elogfilename = pf + ":" + _unicode_decode( |
| time.strftime("%Y%m%d-%H%M%S", time.gmtime(time.time())), |
| encoding=_encodings['content'], errors='replace') + ".log" |
| |
| if "split-elog" in mysettings.features: |
| log_subdir = os.path.join(logdir, "elog", cat) |
| elogfilename = os.path.join(log_subdir, elogfilename) |
| else: |
| log_subdir = os.path.join(logdir, "elog") |
| elogfilename = os.path.join(log_subdir, cat + ':' + elogfilename) |
| _ensure_log_subdirs(logdir, log_subdir) |
| |
| try: |
| with io.open(_unicode_encode(elogfilename, |
| encoding=_encodings['fs'], errors='strict'), mode='w', |
| encoding=_encodings['content'], |
| errors='backslashreplace') as elogfile: |
| elogfile.write(_unicode_decode(fulltext)) |
| except IOError as e: |
| func_call = "open('%s', 'w')" % elogfilename |
| if e.errno == errno.EACCES: |
| raise portage.exception.PermissionDenied(func_call) |
| elif e.errno == errno.EPERM: |
| raise portage.exception.OperationNotPermitted(func_call) |
| elif e.errno == errno.EROFS: |
| raise portage.exception.ReadOnlyFileSystem(func_call) |
| else: |
| raise |
| |
| # Copy group permission bits from parent directory. |
| elogdir_st = os.stat(log_subdir) |
| elogdir_gid = elogdir_st.st_gid |
| elogdir_grp_mode = 0o060 & elogdir_st.st_mode |
| |
| # Copy the uid from the parent directory if we have privileges |
| # to do so, for compatibility with our default logrotate |
| # config (see bug 378451). With the "su portage portage" |
| # directive and logrotate-3.8.0, logrotate's chown call during |
| # the compression phase will only succeed if the log file's uid |
| # is portage_uid. |
| logfile_uid = -1 |
| if portage.data.secpass >= 2: |
| logfile_uid = elogdir_st.st_uid |
| apply_permissions(elogfilename, uid=logfile_uid, gid=elogdir_gid, |
| mode=elogdir_grp_mode, mask=0) |
| |
| return elogfilename |