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- fix #427274 - logrotate fails to preserve SELinux file contexts

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- fix #427661 - SELinux stops vsftpd from working correctly
This commit is contained in:
Tomas Smetana 2008-01-09 09:00:21 +00:00
parent d199585128
commit 7b2ce26494
2 changed files with 91 additions and 1 deletions
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84
logrotate-3.7.6-selinux.patch Normal file
View File

@ -0,0 +1,84 @@
Written-by: Tomas Smetana <tsmetana@redhat.com>
diff -up logrotate-3.7.6/logrotate.c.selinux logrotate-3.7.6/logrotate.c
--- logrotate-3.7.6/logrotate.c.selinux 2008-01-09 09:37:16.000000000 +0100
+++ logrotate-3.7.6/logrotate.c 2008-01-09 09:39:05.000000000 +0100
@@ -899,6 +899,9 @@ int rotateSingleLog(logInfo * log, int l
int hasErrors = 0;
struct stat sb;
int fd;
+#ifdef WITH_SELINUX
+ security_context_t savedContext;
+#endif
if (!state->doRotate)
return 0;
@@ -906,7 +909,51 @@ int rotateSingleLog(logInfo * log, int l
if (!hasErrors) {
if (!(log->flags & (LOG_FLAG_COPYTRUNCATE | LOG_FLAG_COPY))) {
- message(MESS_DEBUG, "renaming %s to %s\n", log->files[logNum],
+#ifdef WITH_SELINUX
+ if (selinux_enabled) {
+ security_context_t oldContext;
+ int fdcurr = -1;
+
+ if ((fdcurr = open(log->files[logNum], O_RDWR)) < 0) {
+ message(MESS_ERROR, "error opening %s: %s\n",
+ log->files[logNum],
+ strerror(errno));
+ return 1;
+ }
+ if (fgetfilecon_raw(fdcurr, &oldContext) >= 0) {
+ if (getfscreatecon_raw(&savedContext) < 0) {
+ message(MESS_ERROR,
+ "getting default context: %s\n",
+ strerror(errno));
+ if (selinux_enforce) {
+ freecon(oldContext);
+ return 1;
+ }
+ }
+ if (setfscreatecon_raw(oldContext) < 0) {
+ message(MESS_ERROR,
+ "setting file context %s to %s: %s\n",
+ log->files[logNum], oldContext, strerror(errno));
+ if (selinux_enforce) {
+ freecon(oldContext);
+ return 1;
+ }
+ }
+ message(MESS_DEBUG, "fscreate context set to %s\n",
+ oldContext);
+ freecon(oldContext);
+ } else {
+ if (errno != ENOTSUP) {
+ message(MESS_ERROR, "getting file context %s: %s\n",
+ log->files[logNum], strerror(errno));
+ if (selinux_enforce) {
+ return 1;
+ }
+ }
+ }
+ }
+#endif
+ message(MESS_DEBUG, "renaming %s to %s\n", log->files[logNum],
rotNames->finalName);
if (!debug && !hasErrors &&
@@ -961,6 +1008,15 @@ int rotateSingleLog(logInfo * log, int l
close(fd);
}
}
+#ifdef WITH_SELINUX
+ if (selinux_enabled) {
+ setfscreatecon_raw(savedContext);
+ if (prev_context != NULL) {
+ freecon(prev_context);
+ prev_context = NULL;
+ }
+ }
+#endif
if (!hasErrors
&& log->flags & (LOG_FLAG_COPYTRUNCATE | LOG_FLAG_COPY))

8
logrotate.spec
View File

@ -1,7 +1,7 @@
Summary: Rotates, compresses, removes and mails system log files
Name: logrotate
Version: 3.7.6
Release: 1.3%{?dist}
Release: 2%{?dist}
License: GPL+
Group: System Environment/Base
# The source for this package was pulled from cvs.
@ -12,6 +12,7 @@ Group: System Environment/Base
# cd logrotate
# make create-archive
Source: logrotate-%{version}.tar.gz
Patch1: logrotate-3.7.6-selinux.patch
Requires: coreutils >= 5.92 libsepol libselinux popt
BuildRequires: libselinux-devel popt-devel
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
@ -29,6 +30,7 @@ log files on your system.
%prep
%setup -q
%patch1 -p1 -b .selinux
%build
make %{?_smp_mflags} RPM_OPT_FLAGS="$RPM_OPT_FLAGS" WITH_SELINUX=yes
@ -58,6 +60,10 @@ rm -rf $RPM_BUILD_ROOT
%attr(0644, root, root) %verify(not size md5 mtime) %config(noreplace) %{_localstatedir}/lib/logrotate.status
%changelog
* Wed Jan 09 2008 Tomas Smetana <tsmetana@redhat.com> 3.7.6-2
- fix #427274 - logrotate fails to preserve SELinux file contexts
- fix #427661 - SELinux stops vsftpd from working correctly
* Thu Sep 27 2007 Tomas Smetana <tsmetana@redhat.com> 3.7.6-1.3
- popt-devel dependency was still missing