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patch/patch-selinux.patch

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diff -up patch-2.6/Makefile.in.selinux patch-2.6/Makefile.in
--- patch-2.6/Makefile.in.selinux 2009-11-02 19:09:57.000000000 +0000
+++ patch-2.6/Makefile.in 2009-11-16 09:38:44.171021894 +0000
@@ -40,7 +40,7 @@ EXEEXT = @EXEEXT@
LDFLAGS = @LDFLAGS@
LIBOBJDIR = gl/lib/
LIBOBJS = @LIBOBJS@ ${LIBOBJDIR}full-write$U.o
-LIBS = @LIBS@
+LIBS = @LIBS@ -lselinux
OBJEXT = @OBJEXT@
PACKAGE_NAME = @PACKAGE_NAME@
PACKAGE_VERSION = @PACKAGE_VERSION@
diff -up patch-2.6/src/common.h.selinux patch-2.6/src/common.h
--- patch-2.6/src/common.h.selinux 2009-11-02 19:09:57.000000000 +0000
+++ patch-2.6/src/common.h 2009-11-16 09:38:12.579147244 +0000
@@ -32,6 +32,8 @@
#include <sys/types.h>
#include <time.h>
+#include <selinux/selinux.h>
+
#include <sys/stat.h>
#if ! defined S_ISDIR && defined S_IFDIR
# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
@@ -118,6 +120,7 @@ XTERN char *outfile;
XTERN int inerrno;
XTERN int invc;
XTERN struct stat instat;
+XTERN security_context_t incontext;
XTERN bool dry_run;
XTERN bool posixly_correct;
diff -up patch-2.6/src/inp.c.selinux patch-2.6/src/inp.c
--- patch-2.6/src/inp.c.selinux 2009-11-16 09:37:57.515147431 +0000
+++ patch-2.6/src/inp.c 2009-11-16 09:40:04.782022221 +0000
@@ -153,7 +153,20 @@ get_input_file (char const *filename, ch
char *getbuf;
if (inerrno == -1)
- inerrno = stat (filename, &instat) == 0 ? 0 : errno;
+ {
+ inerrno = stat (filename, &instat) == 0 ? 0 : errno;
+ if (inerrno == 0)
+ {
+ inerrno = getfilecon (inname, &incontext) == -1 ? errno : 0;
+ if (inerrno == ENODATA || inerrno == ENOTSUP)
+ {
+ inerrno = 0;
+ incontext = NULL;
+ }
+ }
+ else
+ incontext = NULL;
+ }
/* Perhaps look for RCS or SCCS versions. */
if (patch_get
@@ -197,7 +210,7 @@ get_input_file (char const *filename, ch
}
if (cs && version_get (filename, cs, ! inerrno, elsewhere, getbuf,
- &instat))
+ &instat, &incontext))
inerrno = 0;
free (getbuf);
@@ -209,6 +222,7 @@ get_input_file (char const *filename, ch
{
instat.st_mode = S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH;
instat.st_size = 0;
+ incontext = NULL;
}
else if (! S_ISREG (instat.st_mode))
fatal ("File %s is not a regular file -- can't patch",
diff -up patch-2.6/src/patch.c.selinux patch-2.6/src/patch.c
--- patch-2.6/src/patch.c.selinux 2009-11-16 09:37:57.516146641 +0000
+++ patch-2.6/src/patch.c 2009-11-16 09:41:47.676147549 +0000
@@ -421,6 +421,21 @@ main (int argc, char **argv)
/* Fails if we are not in group instat.st_gid. */
chown (outname, -1, instat.st_gid);
}
+
+ if (! inerrno && incontext)
+ {
+ security_context_t outcontext;
+ if (getfilecon (outname, &outcontext) != -1 &&
+ outcontext &&
+ strcmp(outcontext, incontext) &&
+ setfilecon (outname, incontext) != 0)
+ {
+ if (errno != ENOTSUP && errno != EPERM)
+ pfatal ("Can't set security context "
+ "on file %s", quotearg (outname));
+ }
+ }
+
/* FIXME: There may be other attributes to preserve. */
}
}
diff -up patch-2.6/src/pch.c.selinux patch-2.6/src/pch.c
--- patch-2.6/src/pch.c.selinux 2009-11-02 19:09:57.000000000 +0000
+++ patch-2.6/src/pch.c 2009-11-16 09:42:17.453147283 +0000
@@ -288,7 +288,12 @@ there_is_another_patch (bool need_header
inname[t - buf - 1] = 0;
if (stat (inname, &instat) == 0)
{
- inerrno = 0;
+ inerrno = getfilecon (inname, &incontext) == -1 ? errno : 0;
+ if (inerrno == ENODATA || inerrno == ENOTSUP)
+ {
+ inerrno = 0;
+ incontext = NULL;
+ }
invc = -1;
}
else
@@ -662,7 +667,7 @@ intuit_diff_type (bool need_header)
if (cs)
{
if (version_get (p_name[i], cs, false, readonly,
- getbuf, &st[i]))
+ getbuf, &st[i], NULL))
stat_errno[i] = 0;
else
version_controlled[i] = 0;
@@ -727,6 +732,7 @@ intuit_diff_type (bool need_header)
inerrno = stat_errno[i];
invc = version_controlled[i];
instat = st[i];
+ getfilecon (inname, &incontext);
}
return retval;
diff -up patch-2.6/src/util.c.selinux patch-2.6/src/util.c
--- patch-2.6/src/util.c.selinux 2009-11-02 19:09:57.000000000 +0000
+++ patch-2.6/src/util.c 2009-11-16 09:40:27.472147644 +0000
@@ -574,7 +574,8 @@ version_controller (char const *filename
Return true if successful. */
bool
version_get (char const *filename, char const *cs, bool exists, bool readonly,
- char const *getbuf, struct stat *filestat)
+ char const *getbuf, struct stat *filestat,
+ security_context_t *filecontext)
{
if (patch_get < 0)
{
@@ -599,6 +600,13 @@ version_get (char const *filename, char
fatal ("Can't get file %s from %s", quotearg (filename), cs);
if (stat (filename, filestat) != 0)
pfatal ("%s", quotearg (filename));
+ if (filecontext && getfilecon (filename, filecontext) == -1)
+ {
+ if (errno == ENODATA || errno == ENOTSUP)
+ *filecontext = NULL;
+ else
+ pfatal ("%s", quotearg (filename));
+ }
}
return 1;
diff -up patch-2.6/src/util.h.selinux patch-2.6/src/util.h
--- patch-2.6/src/util.h.selinux 2009-11-02 19:09:57.000000000 +0000
+++ patch-2.6/src/util.h 2009-11-16 09:42:48.750148164 +0000
@@ -51,7 +51,7 @@ char *fetchname (char *, int, char **, t
char *savebuf (char const *, size_t);
char *savestr (char const *);
char const *version_controller (char const *, bool, struct stat const *, char **, char **);
-bool version_get (char const *, char const *, bool, bool, char const *, struct stat *);
+bool version_get (char const *, char const *, bool, bool, char const *, struct stat *, security_context_t *);
int create_file (char const *, int, mode_t, bool);
int systemic (char const *);
char *format_linenum (char[LINENUM_LENGTH_BOUND + 1], LINENUM);
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