libselinux/libselinux-fedora.patch

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diff --git libselinux-2.6/Makefile libselinux-2.6/Makefile
index baa0db3..b2fbff3 100644
--- libselinux-2.6/Makefile
+++ libselinux-2.6/Makefile
@@ -1,4 +1,4 @@
-SUBDIRS = src include utils man
+SUBDIRS = src include utils man golang
DISABLE_SETRANS ?= n
DISABLE_RPM ?= n
diff --git libselinux-2.6/golang/Makefile libselinux-2.6/golang/Makefile
new file mode 100644
index 0000000..b75677b
--- /dev/null
+++ libselinux-2.6/golang/Makefile
@@ -0,0 +1,22 @@
+# Installation directories.
+PREFIX ?= $(DESTDIR)/usr
+LIBDIR ?= $(DESTDIR)/usr/lib
+GODIR ?= $(LIBDIR)/golang/src/pkg/github.com/selinux
+all:
+
+install:
+ [ -d $(GODIR) ] || mkdir -p $(GODIR)
+ install -m 644 selinux.go $(GODIR)
+
+test:
+ @mkdir selinux
+ @cp selinux.go selinux
+ GOPATH=$(pwd) go run test.go
+ @rm -rf selinux
+
+clean:
+ @rm -f *~
+ @rm -rf selinux
+indent:
+
+relabel:
diff --git libselinux-2.6/golang/selinux.go libselinux-2.6/golang/selinux.go
new file mode 100644
index 0000000..34bf6bb
--- /dev/null
+++ libselinux-2.6/golang/selinux.go
@@ -0,0 +1,412 @@
+package selinux
+
+/*
+ The selinux package is a go bindings to libselinux required to add selinux
+ support to docker.
+
+ Author Dan Walsh <dwalsh@redhat.com>
+
+ Used some ideas/code from the go-ini packages https://github.com/vaughan0
+ By Vaughan Newton
+*/
+
+// #cgo pkg-config: libselinux
+// #include <selinux/selinux.h>
+// #include <stdlib.h>
+import "C"
+import (
+ "bufio"
+ "crypto/rand"
+ "encoding/binary"
+ "fmt"
+ "io"
+ "os"
+ "path"
+ "path/filepath"
+ "regexp"
+ "strings"
+ "unsafe"
+)
+
+var (
+ assignRegex = regexp.MustCompile(`^([^=]+)=(.*)$`)
+ mcsList = make(map[string]bool)
+)
+
+func Matchpathcon(path string, mode os.FileMode) (string, error) {
+ var con C.security_context_t
+ var scon string
+ rc, err := C.matchpathcon(C.CString(path), C.mode_t(mode), &con)
+ if rc == 0 {
+ scon = C.GoString(con)
+ C.free(unsafe.Pointer(con))
+ }
+ return scon, err
+}
+
+func Setfilecon(path, scon string) (int, error) {
+ rc, err := C.lsetfilecon(C.CString(path), C.CString(scon))
+ return int(rc), err
+}
+
+func Getfilecon(path string) (string, error) {
+ var scon C.security_context_t
+ var fcon string
+ rc, err := C.lgetfilecon(C.CString(path), &scon)
+ if rc >= 0 {
+ fcon = C.GoString(scon)
+ err = nil
+ }
+ return fcon, err
+}
+
+func Setfscreatecon(scon string) (int, error) {
+ var (
+ rc C.int
+ err error
+ )
+ if scon != "" {
+ rc, err = C.setfscreatecon(C.CString(scon))
+ } else {
+ rc, err = C.setfscreatecon(nil)
+ }
+ return int(rc), err
+}
+
+func Getfscreatecon() (string, error) {
+ var scon C.security_context_t
+ var fcon string
+ rc, err := C.getfscreatecon(&scon)
+ if rc >= 0 {
+ fcon = C.GoString(scon)
+ err = nil
+ C.freecon(scon)
+ }
+ return fcon, err
+}
+
+func Getcon() string {
+ var pcon C.security_context_t
+ C.getcon(&pcon)
+ scon := C.GoString(pcon)
+ C.freecon(pcon)
+ return scon
+}
+
+func Getpidcon(pid int) (string, error) {
+ var pcon C.security_context_t
+ var scon string
+ rc, err := C.getpidcon(C.pid_t(pid), &pcon)
+ if rc >= 0 {
+ scon = C.GoString(pcon)
+ C.freecon(pcon)
+ err = nil
+ }
+ return scon, err
+}
+
+func Getpeercon(socket int) (string, error) {
+ var pcon C.security_context_t
+ var scon string
+ rc, err := C.getpeercon(C.int(socket), &pcon)
+ if rc >= 0 {
+ scon = C.GoString(pcon)
+ C.freecon(pcon)
+ err = nil
+ }
+ return scon, err
+}
+
+func Setexeccon(scon string) error {
+ var val *C.char
+ if !SelinuxEnabled() {
+ return nil
+ }
+ if scon != "" {
+ val = C.CString(scon)
+ } else {
+ val = nil
+ }
+ _, err := C.setexeccon(val)
+ return err
+}
+
+type Context struct {
+ con []string
+}
+
+func (c *Context) SetUser(user string) {
+ c.con[0] = user
+}
+func (c *Context) GetUser() string {
+ return c.con[0]
+}
+func (c *Context) SetRole(role string) {
+ c.con[1] = role
+}
+func (c *Context) GetRole() string {
+ return c.con[1]
+}
+func (c *Context) SetType(setype string) {
+ c.con[2] = setype
+}
+func (c *Context) GetType() string {
+ return c.con[2]
+}
+func (c *Context) SetLevel(mls string) {
+ c.con[3] = mls
+}
+func (c *Context) GetLevel() string {
+ return c.con[3]
+}
+func (c *Context) Get() string {
+ return strings.Join(c.con, ":")
+}
+func (c *Context) Set(scon string) {
+ c.con = strings.SplitN(scon, ":", 4)
+}
+func NewContext(scon string) Context {
+ var con Context
+ con.Set(scon)
+ return con
+}
+
+func SelinuxEnabled() bool {
+ b := C.is_selinux_enabled()
+ if b > 0 {
+ return true
+ }
+ return false
+}
+
+const (
+ Enforcing = 1
+ Permissive = 0
+ Disabled = -1
+)
+
+func SelinuxGetEnforce() int {
+ return int(C.security_getenforce())
+}
+
+func SelinuxGetEnforceMode() int {
+ var enforce C.int
+ C.selinux_getenforcemode(&enforce)
+ return int(enforce)
+}
+
+func mcsAdd(mcs string) {
+ mcsList[mcs] = true
+}
+
+func mcsDelete(mcs string) {
+ mcsList[mcs] = false
+}
+
+func mcsExists(mcs string) bool {
+ return mcsList[mcs]
+}
+
+func IntToMcs(id int, catRange uint32) string {
+ if (id < 1) || (id > 523776) {
+ return ""
+ }
+
+ SETSIZE := int(catRange)
+ TIER := SETSIZE
+
+ ORD := id
+ for ORD > TIER {
+ ORD = ORD - TIER
+ TIER -= 1
+ }
+ TIER = SETSIZE - TIER
+ ORD = ORD + TIER
+ return fmt.Sprintf("s0:c%d,c%d", TIER, ORD)
+}
+
+func uniqMcs(catRange uint32) string {
+ var n uint32
+ var c1, c2 uint32
+ var mcs string
+ for {
+ binary.Read(rand.Reader, binary.LittleEndian, &n)
+ c1 = n % catRange
+ binary.Read(rand.Reader, binary.LittleEndian, &n)
+ c2 = n % catRange
+ if c1 == c2 {
+ continue
+ } else {
+ if c1 > c2 {
+ t := c1
+ c1 = c2
+ c2 = t
+ }
+ }
+ mcs = fmt.Sprintf("s0:c%d,c%d", c1, c2)
+ if mcsExists(mcs) {
+ continue
+ }
+ mcsAdd(mcs)
+ break
+ }
+ return mcs
+}
+func freeContext(processLabel string) {
+ var scon Context
+ scon = NewContext(processLabel)
+ mcsDelete(scon.GetLevel())
+}
+
+func GetLxcContexts() (processLabel string, fileLabel string) {
+ var val, key string
+ var bufin *bufio.Reader
+ if !SelinuxEnabled() {
+ return
+ }
+ lxcPath := C.GoString(C.selinux_lxc_contexts_path())
+ fileLabel = "system_u:object_r:svirt_sandbox_file_t:s0"
+ processLabel = "system_u:system_r:svirt_lxc_net_t:s0"
+
+ in, err := os.Open(lxcPath)
+ if err != nil {
+ goto exit
+ }
+
+ defer in.Close()
+ bufin = bufio.NewReader(in)
+
+ for done := false; !done; {
+ var line string
+ if line, err = bufin.ReadString('\n'); err != nil {
+ if err == io.EOF {
+ done = true
+ } else {
+ goto exit
+ }
+ }
+ line = strings.TrimSpace(line)
+ if len(line) == 0 {
+ // Skip blank lines
+ continue
+ }
+ if line[0] == ';' || line[0] == '#' {
+ // Skip comments
+ continue
+ }
+ if groups := assignRegex.FindStringSubmatch(line); groups != nil {
+ key, val = strings.TrimSpace(groups[1]), strings.TrimSpace(groups[2])
+ if key == "process" {
+ processLabel = strings.Trim(val, "\"")
+ }
+ if key == "file" {
+ fileLabel = strings.Trim(val, "\"")
+ }
+ }
+ }
+exit:
+ var scon Context
+ mcs := IntToMcs(os.Getpid(), 1024)
+ scon = NewContext(processLabel)
+ scon.SetLevel(mcs)
+ processLabel = scon.Get()
+ scon = NewContext(fileLabel)
+ scon.SetLevel(mcs)
+ fileLabel = scon.Get()
+ return processLabel, fileLabel
+}
+
+func CopyLevel(src, dest string) (string, error) {
+ if !SelinuxEnabled() {
+ return "", nil
+ }
+ if src == "" {
+ return "", nil
+ }
+ rc, err := C.security_check_context(C.CString(src))
+ if rc != 0 {
+ return "", err
+ }
+ rc, err = C.security_check_context(C.CString(dest))
+ if rc != 0 {
+ return "", err
+ }
+ scon := NewContext(src)
+ tcon := NewContext(dest)
+ tcon.SetLevel(scon.GetLevel())
+ return tcon.Get(), nil
+}
+
+func RestoreCon(fpath string, recurse bool) error {
+ var flabel string
+ var err error
+ var fs os.FileInfo
+
+ if !SelinuxEnabled() {
+ return nil
+ }
+
+ if recurse {
+ var paths []string
+ var err error
+
+ if paths, err = filepath.Glob(path.Join(fpath, "**", "*")); err != nil {
+ return fmt.Errorf("Unable to find directory %v: %v", fpath, err)
+ }
+
+ for _, fpath := range paths {
+ if err = RestoreCon(fpath, false); err != nil {
+ return fmt.Errorf("Unable to restore selinux context for %v: %v", fpath, err)
+ }
+ }
+ return nil
+ }
+ if fs, err = os.Stat(fpath); err != nil {
+ return fmt.Errorf("Unable stat %v: %v", fpath, err)
+ }
+
+ if flabel, err = Matchpathcon(fpath, fs.Mode()); flabel == "" {
+ return fmt.Errorf("Unable to get context for %v: %v", fpath, err)
+ }
+
+ if rc, err := Setfilecon(fpath, flabel); rc != 0 {
+ return fmt.Errorf("Unable to set selinux context for %v: %v", fpath, err)
+ }
+
+ return nil
+}
+
+func Test() {
+ var plabel, flabel string
+ if !SelinuxEnabled() {
+ return
+ }
+
+ plabel, flabel = GetLxcContexts()
+ fmt.Println(plabel)
+ fmt.Println(flabel)
+ freeContext(plabel)
+ plabel, flabel = GetLxcContexts()
+ fmt.Println(plabel)
+ fmt.Println(flabel)
+ freeContext(plabel)
+ if SelinuxEnabled() {
+ fmt.Println("Enabled")
+ } else {
+ fmt.Println("Disabled")
+ }
+ fmt.Println("getenforce ", SelinuxGetEnforce())
+ fmt.Println("getenforcemode ", SelinuxGetEnforceMode())
+ flabel, _ = Matchpathcon("/home/dwalsh/.emacs", 0)
+ fmt.Println(flabel)
+ pid := os.Getpid()
+ fmt.Printf("PID:%d MCS:%s\n", pid, IntToMcs(pid, 1023))
+ fmt.Println(Getcon())
+ fmt.Println(Getfilecon("/etc/passwd"))
+ fmt.Println(Getpidcon(1))
+ Setfscreatecon("unconfined_u:unconfined_r:unconfined_t:s0")
+ fmt.Println(Getfscreatecon())
+ Setfscreatecon("")
+ fmt.Println(Getfscreatecon())
+ fmt.Println(Getpidcon(1))
+}
diff --git libselinux-2.6/golang/test.go libselinux-2.6/golang/test.go
new file mode 100644
index 0000000..fed6de8
--- /dev/null
+++ libselinux-2.6/golang/test.go
@@ -0,0 +1,9 @@
+package main
+
+import (
+ "./selinux"
+)
+
+func main() {
+ selinux.Test()
+}
diff --git libselinux-2.6/man/man8/selinux.8 libselinux-2.6/man/man8/selinux.8
index 6f1034b..c9f188c 100644
--- libselinux-2.6/man/man8/selinux.8
+++ libselinux-2.6/man/man8/selinux.8
@@ -91,11 +91,13 @@ This manual page was written by Dan Walsh <dwalsh@redhat.com>.
.BR sepolicy (8),
.BR system-config-selinux (8),
.BR togglesebool (8),
-.BR restorecon (8),
.BR fixfiles (8),
+.BR restorecon (8),
.BR setfiles (8),
.BR semanage (8),
-.BR sepolicy(8)
+.BR sepolicy(8),
+.BR seinfo(8),
+.BR sesearch(8)
Every confined service on the system has a man page in the following format:
.br
diff --git libselinux-2.6/src/Makefile libselinux-2.6/src/Makefile
index 13501cd..956ea1c 100644
--- libselinux-2.6/src/Makefile
+++ libselinux-2.6/src/Makefile
@@ -2,7 +2,7 @@
# runtimes (e.g. Python 2 vs Python 3) by optionally prefixing the build
# targets with "PYPREFIX":
PYTHON ?= python
-PYPREFIX ?= $(notdir $(PYTHON))
+PYPREFIX ?= $(shell $(PYTHON) -c 'import sys;print("python%d" % sys.version_info[0])')
RUBY ?= ruby
RUBYPREFIX ?= $(notdir $(RUBY))
PKG_CONFIG ?= pkg-config
diff --git libselinux-2.6/src/avc_sidtab.c libselinux-2.6/src/avc_sidtab.c
index 9669264..c775430 100644
--- libselinux-2.6/src/avc_sidtab.c
+++ libselinux-2.6/src/avc_sidtab.c
@@ -81,6 +81,11 @@ sidtab_context_to_sid(struct sidtab *s,
int hvalue, rc = 0;
struct sidtab_node *cur;
+ if (! ctx) {
+ errno=EINVAL;
+ return -1;
+ }
+
*sid = NULL;
hvalue = sidtab_hash(ctx);
diff --git libselinux-2.6/src/booleans.c libselinux-2.6/src/booleans.c
index cbb0610..9cffffe 100644
--- libselinux-2.6/src/booleans.c
+++ libselinux-2.6/src/booleans.c
@@ -55,6 +55,7 @@ int security_get_boolean_names(char ***names, int *len)
snprintf(path, sizeof path, "%s%s", selinux_mnt, SELINUX_BOOL_DIR);
*len = scandir(path, &namelist, &filename_select, alphasort);
if (*len <= 0) {
+ errno = ENOENT;
return -1;
}
diff --git libselinux-2.6/src/canonicalize_context.c libselinux-2.6/src/canonicalize_context.c
index 7cf3139..364a746 100644
--- libselinux-2.6/src/canonicalize_context.c
+++ libselinux-2.6/src/canonicalize_context.c
@@ -17,6 +17,11 @@ int security_canonicalize_context_raw(const char * con,
size_t size;
int fd, ret;
+ if (! con) {
+ errno=EINVAL;
+ return -1;
+ }
+
if (!selinux_mnt) {
errno = ENOENT;
return -1;
diff --git libselinux-2.6/src/check_context.c libselinux-2.6/src/check_context.c
index 52063fa..234749c 100644
--- libselinux-2.6/src/check_context.c
+++ libselinux-2.6/src/check_context.c
@@ -14,6 +14,11 @@ int security_check_context_raw(const char * con)
char path[PATH_MAX];
int fd, ret;
+ if (! con) {
+ errno=EINVAL;
+ return -1;
+ }
+
if (!selinux_mnt) {
errno = ENOENT;
return -1;
diff --git libselinux-2.6/src/compute_av.c libselinux-2.6/src/compute_av.c
index 937e5c3..35ace7f 100644
--- libselinux-2.6/src/compute_av.c
+++ libselinux-2.6/src/compute_av.c
@@ -26,6 +26,11 @@ int security_compute_av_flags_raw(const char * scon,
return -1;
}
+ if ((! scon) || (! tcon)) {
+ errno=EINVAL;
+ return -1;
+ }
+
snprintf(path, sizeof path, "%s/access", selinux_mnt);
fd = open(path, O_RDWR);
if (fd < 0)
diff --git libselinux-2.6/src/compute_create.c libselinux-2.6/src/compute_create.c
index 9559d42..14a65d1 100644
--- libselinux-2.6/src/compute_create.c
+++ libselinux-2.6/src/compute_create.c
@@ -64,6 +64,11 @@ int security_compute_create_name_raw(const char * scon,
return -1;
}
+ if ((! scon) || (! tcon)) {
+ errno=EINVAL;
+ return -1;
+ }
+
snprintf(path, sizeof path, "%s/create", selinux_mnt);
fd = open(path, O_RDWR);
if (fd < 0)
diff --git libselinux-2.6/src/compute_member.c libselinux-2.6/src/compute_member.c
index 1fc7e41..065d996 100644
--- libselinux-2.6/src/compute_member.c
+++ libselinux-2.6/src/compute_member.c
@@ -25,6 +25,11 @@ int security_compute_member_raw(const char * scon,
return -1;
}
+ if ((! scon) || (! tcon)) {
+ errno=EINVAL;
+ return -1;
+ }
+
snprintf(path, sizeof path, "%s/member", selinux_mnt);
fd = open(path, O_RDWR);
if (fd < 0)
diff --git libselinux-2.6/src/compute_relabel.c libselinux-2.6/src/compute_relabel.c
index 4615aee..cc77f36 100644
--- libselinux-2.6/src/compute_relabel.c
+++ libselinux-2.6/src/compute_relabel.c
@@ -25,6 +25,11 @@ int security_compute_relabel_raw(const char * scon,
return -1;
}
+ if ((! scon) || (! tcon)) {
+ errno=EINVAL;
+ return -1;
+ }
+
snprintf(path, sizeof path, "%s/relabel", selinux_mnt);
fd = open(path, O_RDWR);
if (fd < 0)
diff --git libselinux-2.6/src/compute_user.c libselinux-2.6/src/compute_user.c
index b37c5d3..7703c26 100644
--- libselinux-2.6/src/compute_user.c
+++ libselinux-2.6/src/compute_user.c
@@ -24,6 +24,11 @@ int security_compute_user_raw(const char * scon,
return -1;
}
+ if (! scon) {
+ errno=EINVAL;
+ return -1;
+ }
+
snprintf(path, sizeof path, "%s/user", selinux_mnt);
fd = open(path, O_RDWR);
if (fd < 0)
diff --git libselinux-2.6/src/fsetfilecon.c libselinux-2.6/src/fsetfilecon.c
index 52707d0..0cbe12d 100644
--- libselinux-2.6/src/fsetfilecon.c
+++ libselinux-2.6/src/fsetfilecon.c
@@ -9,8 +9,12 @@
int fsetfilecon_raw(int fd, const char * context)
{
- int rc = fsetxattr(fd, XATTR_NAME_SELINUX, context, strlen(context) + 1,
- 0);
+ int rc;
+ if (! context) {
+ errno=EINVAL;
+ return -1;
+ }
+ rc = fsetxattr(fd, XATTR_NAME_SELINUX, context, strlen(context) + 1, 0);
if (rc < 0 && errno == ENOTSUP) {
char * ccontext = NULL;
int err = errno;
diff --git libselinux-2.6/src/lsetfilecon.c libselinux-2.6/src/lsetfilecon.c
index 1d3b28a..ea6d70b 100644
--- libselinux-2.6/src/lsetfilecon.c
+++ libselinux-2.6/src/lsetfilecon.c
@@ -9,8 +9,13 @@
int lsetfilecon_raw(const char *path, const char * context)
{
- int rc = lsetxattr(path, XATTR_NAME_SELINUX, context, strlen(context) + 1,
- 0);
+ int rc;
+ if (! context) {
+ errno=EINVAL;
+ return -1;
+ }
+
+ rc = lsetxattr(path, XATTR_NAME_SELINUX, context, strlen(context) + 1, 0);
if (rc < 0 && errno == ENOTSUP) {
char * ccontext = NULL;
int err = errno;
diff --git libselinux-2.6/src/matchpathcon.c libselinux-2.6/src/matchpathcon.c
index 724eb65..58b4144 100644
--- libselinux-2.6/src/matchpathcon.c
+++ libselinux-2.6/src/matchpathcon.c
@@ -389,12 +389,6 @@ int realpath_not_final(const char *name, char *resolved_path)
goto out;
}
- /* strip leading // */
- while (tmp_path[len] && tmp_path[len] == '/' &&
- tmp_path[len+1] && tmp_path[len+1] == '/') {
- tmp_path++;
- len++;
- }
last_component = strrchr(tmp_path, '/');
if (last_component == tmp_path) {
diff --git libselinux-2.6/src/selinux_restorecon.c libselinux-2.6/src/selinux_restorecon.c
index e38d1d0..a67876f 100644
--- libselinux-2.6/src/selinux_restorecon.c
+++ libselinux-2.6/src/selinux_restorecon.c
@@ -663,7 +663,7 @@ static int restorecon_sb(const char *pathname, const struct stat *sb,
curcon = NULL;
}
- if (strcmp(curcon, newcon) != 0) {
+ if (curcon == NULL || strcmp(curcon, newcon) != 0) {
if (!flags->set_specctx && curcon &&
(is_context_customizable(curcon) > 0)) {
if (flags->verbose) {
diff --git libselinux-2.6/src/selinuxswig_python.i libselinux-2.6/src/selinuxswig_python.i
index 8cea18d..43df291 100644
--- libselinux-2.6/src/selinuxswig_python.i
+++ libselinux-2.6/src/selinuxswig_python.i
@@ -64,7 +64,7 @@ def install(src, dest):
PyObject* list = PyList_New(*$2);
int i;
for (i = 0; i < *$2; i++) {
- PyList_SetItem(list, i, PyBytes_FromString((*$1)[i]));
+ PyList_SetItem(list, i, PyString_FromString((*$1)[i]));
}
$result = SWIG_Python_AppendOutput($result, list);
}
@@ -97,9 +97,7 @@ def install(src, dest):
len++;
plist = PyList_New(len);
for (i = 0; i < len; i++) {
- PyList_SetItem(plist, i,
- PyBytes_FromString((*$1)[i])
- );
+ PyList_SetItem(plist, i, PyString_FromString((*$1)[i]));
}
} else {
plist = PyList_New(0);
@@ -116,9 +114,7 @@ def install(src, dest):
if (*$1) {
plist = PyList_New(result);
for (i = 0; i < result; i++) {
- PyList_SetItem(plist, i,
- PyBytes_FromString((*$1)[i])
- );
+ PyList_SetItem(plist, i, PyString_FromString((*$1)[i]));
}
} else {
plist = PyList_New(0);
@@ -171,20 +167,16 @@ def install(src, dest):
$1 = (char**) malloc(size + 1);
for(i = 0; i < size; i++) {
- if (!PyBytes_Check(PySequence_GetItem($input, i))) {
- PyErr_SetString(PyExc_ValueError, "Sequence must contain only bytes");
-
+ if (!PyString_Check(PySequence_GetItem($input, i))) {
+ PyErr_SetString(PyExc_ValueError, "Sequence must contain only strings");
return NULL;
}
-
}
for(i = 0; i < size; i++) {
s = PySequence_GetItem($input, i);
-
- $1[i] = (char*) malloc(PyBytes_Size(s) + 1);
- strcpy($1[i], PyBytes_AsString(s));
-
+ $1[i] = (char*) malloc(PyString_Size(s) + 1);
+ strcpy($1[i], PyString_AsString(s));
}
$1[size] = NULL;
}
diff --git libselinux-2.6/src/setfilecon.c libselinux-2.6/src/setfilecon.c
index d05969c..3f0200e 100644
--- libselinux-2.6/src/setfilecon.c
+++ libselinux-2.6/src/setfilecon.c
@@ -9,8 +9,12 @@
int setfilecon_raw(const char *path, const char * context)
{
- int rc = setxattr(path, XATTR_NAME_SELINUX, context, strlen(context) + 1,
- 0);
+ int rc;
+ if (! context) {
+ errno=EINVAL;
+ return -1;
+ }
+ rc = setxattr(path, XATTR_NAME_SELINUX, context, strlen(context) + 1, 0);
if (rc < 0 && errno == ENOTSUP) {
char * ccontext = NULL;
int err = errno;
diff --git libselinux-2.6/utils/matchpathcon.c libselinux-2.6/utils/matchpathcon.c
index d1f1348..0288feb 100644
--- libselinux-2.6/utils/matchpathcon.c
+++ libselinux-2.6/utils/matchpathcon.c
@@ -15,7 +15,7 @@
static void usage(const char *progname)
{
fprintf(stderr,
- "usage: %s [-N] [-n] [-f file_contexts] [ -P policy_root_path ] [-p prefix] [-Vq] path...\n",
+ "usage: %s [-V] [-N] [-n] [-m type] [-f file_contexts_file] [-p prefix] [-P policy_root_path] filepath...\n",
progname);
exit(1);
}