diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/external/systemd.m4 | 4 | ||||
| -rw-r--r-- | src/util/find_uid.c | 20 |
2 files changed, 24 insertions, 0 deletions
diff --git a/src/external/systemd.m4 b/src/external/systemd.m4 index 2c26dc19b..202915a56 100644 --- a/src/external/systemd.m4 +++ b/src/external/systemd.m4 @@ -6,3 +6,7 @@ AC_DEFUN([AM_CHECK_SYSTEMD], [AC_MSG_ERROR([Could not detect systemd presence])] ) ]) +AM_COND_IF([HAVE_SYSTEMD], + [PKG_CHECK_MODULES([SYSTEMD_LOGIN], [libsystemd-login], + [AC_DEFINE_UNQUOTED(HAVE_SYSTEMD_LOGIN, 1, [Build with libsystemdlogin support])], + [AC_DEFINE_UNQUOTED(HAVE_SYSTEMD_LOGIN, 0, [Build without libsystemd-login support])])]) diff --git a/src/util/find_uid.c b/src/util/find_uid.c index d34a4abd2..63b346457 100644 --- a/src/util/find_uid.c +++ b/src/util/find_uid.c @@ -40,6 +40,10 @@ #include "util/util.h" #include "util/strtonum.h" +#ifdef HAVE_SYSTEMD_LOGIN +#include <systemd/sd-login.h> +#endif + #define INITIAL_TABLE_SIZE 64 #define PATHLEN (NAME_MAX + 14) #define BUFSIZE 4096 @@ -301,6 +305,22 @@ errno_t check_if_uid_is_active(uid_t uid, bool *result) { int ret; +#ifdef HAVE_SYSTEMD_LOGIN + ret = sd_uid_get_sessions(uid, 0, NULL); + if (ret > 0) { + *result = true; + } + if (ret == 0) { + *result = false; + } + if (ret >= 0) { + return EOK; + } + DEBUG(SSSDBG_CRIT_FAILURE, ("systemd-login gave error %d: %s\n", + -ret, strerror(-ret))); + /* fall back to the old method */ +#endif + ret = get_active_uid_linux(NULL, uid); if (ret != EOK && ret != ENOENT) { DEBUG(1, ("get_uid_table failed.\n")); |