diff --git a/configure.in b/configure.in index a5a434d..8294028 100644 --- a/configure.in +++ b/configure.in @@ -572,6 +572,28 @@ AC_SUBST(GCOV) AC_SUBST(GENHTML) # ---------------------------------------------------------------------- +# selinux +AC_ARG_ENABLE([selinux], + AC_HELP_STRING([--disable-selinux],[do not use SELinux]), + WITH_SELINUX=$enableval, WITH_SELINUX=yes) +if test "$WITH_SELINUX" == "yes" ; then + AC_CHECK_LIB([selinux],[getfilecon], LIBSELINUX="-lselinux", LIBSELINUX="") + selinux_status="yes" +else + LIBSELINUX="" + selinux_status="no" +fi +AC_SUBST(LIBSELINUX) +AM_CONDITIONAL([HAVE_LIBSELINUX], [test ! -z "$LIBSELINUX"]) +if test ! -z "$LIBSELINUX" ; then + AC_DEFINE([WITH_SELINUX], 1, [Defined if SE Linux support is compiled in]) + BACKUP_LIBS=$LIBS + LIBS="$LIBS $LIBSELINUX" + AC_CHECK_FUNCS(setexeccon) + LIBS=$BACKUP_LIBS +fi + +# ---------------------------------------------------------------------- # Valgrind AC_ARG_ENABLE(valgrind, @@ -742,6 +764,7 @@ echo echo "OPTIONAL DEPENDENCIES" echo " PAM: $pam_status" echo " Linux capabilities: $libcapng_status" +echo " SELinux: $selinux_status" echo echo "CONFIGURATION" echo " SSH Agent: $ssh_status" diff --git a/pam/gkr-pam-module.c b/pam/gkr-pam-module.c index e63c917..2e2e765 100644 --- a/pam/gkr-pam-module.c +++ b/pam/gkr-pam-module.c @@ -317,6 +317,36 @@ cleanup_free_password (pam_handle_t *ph, void *data, int pam_end_status) free_password (data); } +#ifdef WITH_SELINUX +#include +#include +/* Attempt to set SELinux Context. We are ignoring failure and just going + with default behaviour default behaviour +*/ +static void setup_selinux_context(const char *command) { + security_context_t fcon = NULL, newcon = NULL, execcon = NULL; + + if (is_selinux_enabled() != 1) return; + + int ret = getexeccon(&execcon); + if ((ret < 0) || (! execcon)) goto err; + + ret = getfilecon(command, &fcon); + if (ret < 0) goto err; + + ret = security_compute_create(execcon, fcon, SECCLASS_PROCESS, &newcon); + if (ret < 0) goto err; + + setexeccon(newcon); + +err: + freecon(newcon); + freecon(fcon); + freecon(execcon); + return; +} +#endif + static void setup_child (int inp[2], int outp[2], int errp[2], pam_handle_t *ph, struct passwd *pwd) { @@ -329,6 +359,10 @@ setup_child (int inp[2], int outp[2], int errp[2], pam_handle_t *ph, struct pass char *args[] = { GNOME_KEYRING_DAEMON, "--daemonize", "--login", NULL}; #endif +#ifdef WITH_SELINUX + setup_selinux_context(GNOME_KEYRING_DAEMON); +#endif + assert (pwd); assert (pwd->pw_dir);