diff --git libselinux-2.6/Makefile libselinux-2.6/Makefile index baa0db3..3355f01 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 @@ -27,6 +27,16 @@ else endif export PCRE_CFLAGS PCRE_LDFLAGS +OS := $(shell uname) +export OS + +ifeq ($(shell $(CC) -v 2>&1 | grep "clang"),) +COMPILER := gcc +else +COMPILER := clang +endif +export COMPILER + all install relabel clean distclean indent: @for subdir in $(SUBDIRS); do \ (cd $$subdir && $(MAKE) $@) || exit 1; \ @@ -47,4 +57,10 @@ install-pywrap: install-rubywrap: $(MAKE) -C src install-rubywrap $@ +clean-pywrap: + $(MAKE) -C src clean-pywrap $@ + +clean-rubywrap: + $(MAKE) -C src clean-rubywrap $@ + test: 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 + + Used some ideas/code from the go-ini packages https://github.com/vaughan0 + By Vaughan Newton +*/ + +// #cgo pkg-config: libselinux +// #include +// #include +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/include/selinux/restorecon.h libselinux-2.6/include/selinux/restorecon.h index 7cfdee1..de694cd 100644 --- libselinux-2.6/include/selinux/restorecon.h +++ libselinux-2.6/include/selinux/restorecon.h @@ -50,9 +50,9 @@ extern int selinux_restorecon(const char *pathname, */ #define SELINUX_RESTORECON_VERBOSE 0x0010 /* - * Show progress by printing * to stdout every 1000 files, unless - * relabeling the entire OS, that will then show the approximate - * percentage complete. + * If SELINUX_RESTORECON_PROGRESS is true and + * SELINUX_RESTORECON_MASS_RELABEL is true, then output approx % complete, + * else output the number of files in 1k blocks processed to stdout. */ #define SELINUX_RESTORECON_PROGRESS 0x0020 /* @@ -91,6 +91,11 @@ extern int selinux_restorecon(const char *pathname, * mounts to be excluded from relabeling checks. */ #define SELINUX_RESTORECON_IGNORE_MOUNTS 0x2000 +/* + * Set if there is a mass relabel required. + * See SELINUX_RESTORECON_PROGRESS flag for details. + */ +#define SELINUX_RESTORECON_MASS_RELABEL 0x4000 /** * selinux_restorecon_set_sehandle - Set the global fc handle. diff --git libselinux-2.6/man/man3/selinux_restorecon.3 libselinux-2.6/man/man3/selinux_restorecon.3 index 2d8274b..3350f9c 100644 --- libselinux-2.6/man/man3/selinux_restorecon.3 +++ libselinux-2.6/man/man3/selinux_restorecon.3 @@ -88,8 +88,16 @@ will take precedence. .RE .sp .B SELINUX_RESTORECON_PROGRESS -show progress by printing * to stdout every 1000 files unless relabeling the -entire OS, that will then show the approximate percentage complete. +show progress by outputting the number of files in 1k blocks processed +to stdout. If the +.B SELINUX_RESTORECON_MASS_RELABEL +flag is also set then the approximate percentage complete will be shown. +.sp +.B SELINUX_RESTORECON_MASS_RELABEL +generally set when relabeling the entire OS, that will then show the +approximate percentage complete. The +.B SELINUX_RESTORECON_PROGRESS +flag must also be set. .sp .B SELINUX_RESTORECON_REALPATH convert passed-in 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 . .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..e1334e9 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.%d" % sys.version_info[:2])') RUBY ?= ruby RUBYPREFIX ?= $(notdir $(RUBY)) PKG_CONFIG ?= pkg-config @@ -13,15 +13,26 @@ LIBDIR ?= $(PREFIX)/lib SHLIBDIR ?= $(DESTDIR)/lib INCLUDEDIR ?= $(PREFIX)/include PYINC ?= $(shell $(PKG_CONFIG) --cflags $(PYPREFIX)) +PYLIBS ?= $(shell $(PKG_CONFIG) --libs $(PYPREFIX)) PYSITEDIR ?= $(DESTDIR)$(shell $(PYTHON) -c 'import site; print(site.getsitepackages()[0])') -RUBYLIBVER ?= $(shell $(RUBY) -e 'print RUBY_VERSION.split(".")[0..1].join(".")') -RUBYINC ?= $(shell $(PKG_CONFIG) --exists ruby-$(RUBYLIBVER) && $(PKG_CONFIG) --cflags ruby-$(RUBYLIBVER) || $(PKG_CONFIG) --cflags ruby) +PYCEXT ?= $(shell $(PYTHON) -c 'import imp;print([s for s,m,t in imp.get_suffixes() if t == imp.C_EXTENSION][0])') +RUBYINC ?= $(shell $(RUBY) -e 'puts "-I" + RbConfig::CONFIG["rubyarchhdrdir"] + " -I" + RbConfig::CONFIG["rubyhdrdir"]') +RUBYLIBS ?= $(shell $(RUBY) -e 'puts "-L" + RbConfig::CONFIG["libdir"] + " -lruby"') RUBYINSTALL ?= $(DESTDIR)$(shell $(RUBY) -e 'puts RbConfig::CONFIG["vendorarchdir"]') LIBBASE ?= $(shell basename $(LIBDIR)) +LIBSEPOLA ?= $(LIBDIR)/libsepol.a VERSION = $(shell cat ../VERSION) LIBVERSION = 1 +OS ?= $(shell uname) + +ifeq ($(shell $(CC) -v 2>&1 | grep "clang"),) +COMPILER ?= gcc +else +COMPILER ?= clang +endif + LIBA=libselinux.a TARGET=libselinux.so LIBPC=libselinux.pc @@ -48,23 +59,38 @@ OBJS= $(patsubst %.c,%.o,$(SRCS)) LOBJS= $(patsubst %.c,%.lo,$(SRCS)) CFLAGS ?= -O -Wall -W -Wundef -Wformat-y2k -Wformat-security -Winit-self -Wmissing-include-dirs \ -Wunused -Wunknown-pragmas -Wstrict-aliasing -Wshadow -Wpointer-arith \ - -Wbad-function-cast -Wcast-align -Wwrite-strings -Wlogical-op -Waggregate-return \ + -Wbad-function-cast -Wcast-align -Wwrite-strings -Waggregate-return \ -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes \ -Wmissing-declarations -Wmissing-noreturn -Wmissing-format-attribute \ -Wredundant-decls -Wnested-externs -Winline -Winvalid-pch -Wvolatile-register-var \ - -Wdisabled-optimization -Wbuiltin-macro-redefined -Wpacked-bitfield-compat \ - -Wsync-nand -Wattributes -Wcoverage-mismatch -Wmultichar -Wcpp \ + -Wdisabled-optimization -Wbuiltin-macro-redefined \ + -Wattributes -Wmultichar \ -Wdeprecated-declarations -Wdiv-by-zero -Wdouble-promotion -Wendif-labels -Wextra \ - -Wformat-contains-nul -Wformat-extra-args -Wformat-zero-length -Wformat=2 -Wmultichar \ - -Wnormalized=nfc -Woverflow -Wpointer-to-int-cast -Wpragmas -Wsuggest-attribute=const \ - -Wsuggest-attribute=noreturn -Wsuggest-attribute=pure -Wtrampolines \ - -Wno-missing-field-initializers -Wno-sign-compare -Wjump-misses-init \ - -Wno-format-nonliteral -Wframe-larger-than=$(MAX_STACK_SIZE) -Wp,-D_FORTIFY_SOURCE=2 \ + -Wformat-extra-args -Wformat-zero-length -Wformat=2 -Wmultichar \ + -Woverflow -Wpointer-to-int-cast -Wpragmas \ + -Wno-missing-field-initializers -Wno-sign-compare \ + -Wno-format-nonliteral -Wframe-larger-than=$(MAX_STACK_SIZE) \ -fstack-protector-all --param=ssp-buffer-size=4 -fexceptions \ -fasynchronous-unwind-tables -fdiagnostics-show-option -funit-at-a-time \ - -fipa-pure-const -Wno-suggest-attribute=pure -Wno-suggest-attribute=const \ -Werror -Wno-aggregate-return -Wno-redundant-decls +LD_SONAME_FLAGS=-soname,$(LIBSO),-z,defs,-z,relro + +ifeq ($(COMPILER), gcc) +CFLAGS += -fipa-pure-const -Wlogical-op -Wpacked-bitfield-compat -Wsync-nand \ + -Wcoverage-mismatch -Wcpp -Wformat-contains-nul -Wnormalized=nfc -Wsuggest-attribute=const \ + -Wsuggest-attribute=noreturn -Wsuggest-attribute=pure -Wtrampolines -Wjump-misses-init \ + -Wno-suggest-attribute=pure -Wno-suggest-attribute=const -Wp,-D_FORTIFY_SOURCE=2 +else +CFLAGS += -Wunused-command-line-argument +endif + +ifeq ($(OS), Darwin) +override CFLAGS += -I/opt/local/include +override LDFLAGS += -L/opt/local/lib -undefined dynamic_lookup +LD_SONAME_FLAGS=-install_name,$(LIBSO) +endif + PCRE_LDFLAGS ?= -lpcre override CFLAGS += -I../include -I$(INCLUDEDIR) -D_GNU_SOURCE $(DISABLE_FLAGS) $(PCRE_CFLAGS) @@ -84,7 +110,7 @@ DISABLE_FLAGS+= -DNO_MEDIA_BACKEND -DNO_DB_BACKEND -DNO_X_BACKEND \ -DBUILD_HOST SRCS= callbacks.c freecon.c label.c label_file.c \ label_backends_android.c regex.c label_support.c \ - matchpathcon.c setrans_client.c sha1.c + matchpathcon.c setrans_client.c sha1.c booleans.c else DISABLE_FLAGS+= -DNO_ANDROID_BACKEND SRCS:= $(filter-out label_backends_android.c, $(SRCS)) @@ -107,30 +133,30 @@ $(SWIGRUBYLOBJ): $(SWIGRUBYCOUT) $(CC) $(CFLAGS) $(SWIG_CFLAGS) $(RUBYINC) -fPIC -DSHARED -c -o $@ $< $(SWIGSO): $(SWIGLOBJ) - $(CC) $(CFLAGS) -shared -o $@ $< -L. -lselinux $(LDFLAGS) -L$(LIBDIR) + $(CC) $(CFLAGS) -shared -o $@ $< -L. -lselinux $(LDFLAGS) $(PYLIBS) -L$(LIBDIR) $(SWIGRUBYSO): $(SWIGRUBYLOBJ) - $(CC) $(CFLAGS) -shared -o $@ $^ -L. -lselinux $(LDFLAGS) -L$(LIBDIR) + $(CC) $(CFLAGS) -shared -o $@ $^ -L. -lselinux $(LDFLAGS) $(RUBYLIBS) -L$(LIBDIR) $(LIBA): $(OBJS) $(AR) rcs $@ $^ $(RANLIB) $@ $(LIBSO): $(LOBJS) - $(CC) $(CFLAGS) -shared -o $@ $^ $(PCRE_LDFLAGS) -ldl $(LDFLAGS) -L$(LIBDIR) -Wl,-soname,$(LIBSO),-z,defs,-z,relro + $(CC) $(CFLAGS) -shared -o $@ $^ $(PCRE_LDFLAGS) -ldl $(LDFLAGS) -L$(LIBDIR) -Wl,$(LD_SONAME_FLAGS) ln -sf $@ $(TARGET) $(LIBPC): $(LIBPC).in ../VERSION sed -e 's/@VERSION@/$(VERSION)/; s:@prefix@:$(PREFIX):; s:@libdir@:$(LIBBASE):; s:@includedir@:$(INCLUDEDIR):' < $< > $@ selinuxswig_python_exception.i: ../include/selinux/selinux.h - bash exception.sh > $@ + bash -e exception.sh > $@ || (rm -f $@ ; false) $(AUDIT2WHYLOBJ): audit2why.c $(CC) $(filter-out -Werror, $(CFLAGS)) $(PYINC) -fPIC -DSHARED -c -o $@ $< $(AUDIT2WHYSO): $(AUDIT2WHYLOBJ) - $(CC) $(CFLAGS) -shared -o $@ $^ -L. $(LDFLAGS) -lselinux $(LIBDIR)/libsepol.a -L$(LIBDIR) + $(CC) $(CFLAGS) -shared -o $@ $^ -L. $(LDFLAGS) -lselinux $(LIBSEPOLA) $(PYLIBS) -L$(LIBDIR) %.o: %.c policy.h $(CC) $(CFLAGS) $(TLSFLAGS) -c -o $@ $< @@ -160,8 +186,8 @@ install: all install-pywrap: pywrap test -d $(PYSITEDIR)/selinux || install -m 755 -d $(PYSITEDIR)/selinux - install -m 755 $(SWIGSO) $(PYSITEDIR)/_selinux.so - install -m 755 $(AUDIT2WHYSO) $(PYSITEDIR)/selinux/audit2why.so + install -m 755 $(SWIGSO) $(PYSITEDIR)/_selinux$(PYCEXT) + install -m 755 $(AUDIT2WHYSO) $(PYSITEDIR)/selinux/audit2why$(PYCEXT) install -m 644 $(SWIGPYOUT) $(PYSITEDIR)/selinux/__init__.py install-rubywrap: rubywrap @@ -171,8 +197,14 @@ install-rubywrap: rubywrap relabel: /sbin/restorecon $(SHLIBDIR)/$(LIBSO) -clean: - -rm -f $(LIBPC) $(OBJS) $(LOBJS) $(LIBA) $(LIBSO) $(SWIGLOBJ) $(SWIGRUBYLOBJ) $(SWIGSO) $(TARGET) $(AUDIT2WHYSO) *.o *.lo *~ +clean-pywrap: + -rm -f $(SWIGLOBJ) $(SWIGSO) $(AUDIT2WHYLOBJ) $(AUDIT2WHYSO) + +clean-rubywrap: + -rm -f $(SWIGRUBYLOBJ) $(SWIGRUBYSO) + +clean: clean-pywrap clean-rubywrap + -rm -f $(LIBPC) $(OBJS) $(LOBJS) $(LIBA) $(LIBSO) $(TARGET) *.o *.lo *~ distclean: clean rm -f $(GENERATED) $(SWIGFILES) @@ -180,4 +212,4 @@ distclean: clean indent: ../../scripts/Lindent $(filter-out $(GENERATED),$(wildcard *.[ch])) -.PHONY: all clean pywrap rubywrap swigify install install-pywrap install-rubywrap distclean +.PHONY: all clean clean-pywrap clean-rubywrap pywrap rubywrap swigify install install-pywrap install-rubywrap distclean 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/load_policy.c libselinux-2.6/src/load_policy.c index b7e1a6f..6d74a9a 100644 --- libselinux-2.6/src/load_policy.c +++ libselinux-2.6/src/load_policy.c @@ -450,8 +450,11 @@ int selinux_init_load_policy(int *enforce) } } - if (seconfig == -1) + if (seconfig == -1) { + umount(selinux_mnt); + fini_selinuxmnt(); goto noload; + } /* Load the policy. */ return selinux_mkload_policy(0); 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_config.c libselinux-2.6/src/selinux_config.c index 88bcc85..bfca134 100644 --- libselinux-2.6/src/selinux_config.c +++ libselinux-2.6/src/selinux_config.c @@ -282,7 +282,6 @@ int selinux_set_policy_root(const char *path) } policy_type++; - fini_selinuxmnt(); fini_selinux_policyroot(); selinux_policyroot = strdup(path); diff --git libselinux-2.6/src/selinux_restorecon.c libselinux-2.6/src/selinux_restorecon.c index e38d1d0..690dcd8 100644 --- libselinux-2.6/src/selinux_restorecon.c +++ libselinux-2.6/src/selinux_restorecon.c @@ -41,7 +41,7 @@ #define SYS_PATH "/sys" #define SYS_PREFIX SYS_PATH "/" -#define STAR_COUNT 1000 +#define STAR_COUNT 1024 static struct selabel_handle *fc_sehandle = NULL; static unsigned char *fc_digest = NULL; @@ -68,18 +68,12 @@ static uint64_t efile_count; /* Estimated total number of files */ struct dir_xattr *dir_xattr_list; static struct dir_xattr *dir_xattr_last; -/* - * If SELINUX_RESTORECON_PROGRESS is set and mass_relabel = true, then - * output approx % complete, else output * for every STAR_COUNT files - * processed to stdout. - */ -static bool mass_relabel; - /* restorecon_flags for passing to restorecon_sb() */ struct rest_flags { bool nochange; bool verbose; bool progress; + bool mass_relabel; bool set_specctx; bool add_assoc; bool ignore_digest; @@ -624,14 +618,14 @@ static int restorecon_sb(const char *pathname, const struct stat *sb, if (flags->progress) { fc_count++; if (fc_count % STAR_COUNT == 0) { - if (mass_relabel && efile_count > 0) { + if (flags->mass_relabel && efile_count > 0) { pc = (fc_count < efile_count) ? (100.0 * fc_count / efile_count) : 100; fprintf(stdout, "\r%-.1f%%", (double)pc); } else { - fprintf(stdout, "*"); + fprintf(stdout, "\r%luk", fc_count / STAR_COUNT); } - fflush(stdout); + fflush(stdout); } } @@ -663,7 +657,7 @@ 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) { @@ -743,6 +737,8 @@ int selinux_restorecon(const char *pathname_orig, SELINUX_RESTORECON_VERBOSE) ? true : false; flags.progress = (restorecon_flags & SELINUX_RESTORECON_PROGRESS) ? true : false; + flags.mass_relabel = (restorecon_flags & + SELINUX_RESTORECON_MASS_RELABEL) ? true : false; flags.recurse = (restorecon_flags & SELINUX_RESTORECON_RECURSE) ? true : false; flags.set_specctx = (restorecon_flags & @@ -896,17 +892,6 @@ int selinux_restorecon(const char *pathname_orig, } } - mass_relabel = false; - if (!strcmp(pathname, "/")) { - mass_relabel = true; - if (flags.set_xdev && flags.progress) - /* - * Need to recalculate to get accurate % complete - * as only root device id will be processed. - */ - efile_count = file_system_count(pathname); - } - if (flags.set_xdev) fts_flags = FTS_PHYSICAL | FTS_NOCHDIR | FTS_XDEV; else @@ -1000,12 +985,8 @@ int selinux_restorecon(const char *pathname_orig, } out: - if (flags.progress) { - if (mass_relabel) - fprintf(stdout, "\r100.0%%\n"); - else - fprintf(stdout, "\n"); - } + if (flags.progress && flags.mass_relabel) + fprintf(stdout, "\r%s 100.0%%\n", pathname); sverrno = errno; (void) fts_close(fts); 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/Makefile libselinux-2.6/utils/Makefile index e56a953..7744184 100644 --- libselinux-2.6/utils/Makefile +++ libselinux-2.6/utils/Makefile @@ -5,25 +5,46 @@ USRBINDIR ?= $(PREFIX)/sbin SBINDIR ?= $(DESTDIR)/sbin INCLUDEDIR ?= $(PREFIX)/include +OS ?= $(shell uname) + +ifeq ($(shell $(CC) -v 2>&1 | grep "clang"),) +COMPILER ?= gcc +else +COMPILER ?= clang +endif + MAX_STACK_SIZE=8192 CFLAGS ?= -O -Wall -W -Wundef -Wformat-y2k -Wformat-security -Winit-self -Wmissing-include-dirs \ -Wunused -Wunknown-pragmas -Wstrict-aliasing -Wshadow -Wpointer-arith \ - -Wbad-function-cast -Wcast-align -Wwrite-strings -Wlogical-op -Waggregate-return \ + -Wbad-function-cast -Wcast-align -Wwrite-strings -Waggregate-return \ -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes \ -Wmissing-declarations -Wmissing-noreturn -Wmissing-format-attribute \ -Wredundant-decls -Wnested-externs -Winline -Winvalid-pch -Wvolatile-register-var \ - -Wdisabled-optimization -Wbuiltin-macro-redefined -Wpacked-bitfield-compat \ - -Wsync-nand -Wattributes -Wcoverage-mismatch -Wmultichar -Wcpp \ + -Wdisabled-optimization -Wbuiltin-macro-redefined \ + -Wattributes -Wmultichar \ -Wdeprecated-declarations -Wdiv-by-zero -Wdouble-promotion -Wendif-labels -Wextra \ - -Wformat-contains-nul -Wformat-extra-args -Wformat-zero-length -Wformat=2 -Wmultichar \ - -Wnormalized=nfc -Woverflow -Wpointer-to-int-cast -Wpragmas -Wsuggest-attribute=const \ - -Wsuggest-attribute=noreturn -Wsuggest-attribute=pure -Wtrampolines \ - -Wno-missing-field-initializers -Wno-sign-compare -Wjump-misses-init \ + -Wformat-extra-args -Wformat-zero-length -Wformat=2 -Wmultichar \ + -Woverflow -Wpointer-to-int-cast -Wpragmas \ + -Wno-missing-field-initializers -Wno-sign-compare \ -Wno-format-nonliteral -Wframe-larger-than=$(MAX_STACK_SIZE) -Wp,-D_FORTIFY_SOURCE=2 \ -fstack-protector-all --param=ssp-buffer-size=4 -fexceptions \ -fasynchronous-unwind-tables -fdiagnostics-show-option -funit-at-a-time \ - -fipa-pure-const -Wno-suggest-attribute=pure -Wno-suggest-attribute=const \ -Werror -Wno-aggregate-return -Wno-redundant-decls + +LD_SONAME_FLAGS=-soname,$(LIBSO),-z,defs,-z,relro + +ifeq ($(COMPILER), gcc) +CFLAGS += -fipa-pure-const -Wpacked-bitfield-compat -Wsync-nand -Wcoverage-mismatch \ + -Wcpp -Wformat-contains-nul -Wnormalized=nfc -Wsuggest-attribute=const \ + -Wsuggest-attribute=noreturn -Wsuggest-attribute=pure -Wtrampolines -Wjump-misses-init \ + -Wno-suggest-attribute=pure -Wno-suggest-attribute=const +endif + +ifeq ($(OS), Darwin) +override CFLAGS += -I/opt/local/include -I../../libsepol/include +override LDFLAGS += -L../../libsepol/src -undefined dynamic_lookup +endif + override CFLAGS += -I../include -I$(INCLUDEDIR) -D_GNU_SOURCE $(DISABLE_FLAGS) $(PCRE_CFLAGS) LDLIBS += -L../src -lselinux -L$(LIBDIR) PCRE_LDFLAGS ?= -lpcre 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); }