static void test_reset(void)
{
talloc_set_log_fn(test_log_stdout);
test_abort_stop();
talloc_disable_null_tracking();
talloc_enable_null_tracking_no_autofree();
}
int main(void)
{
bool ret = true;
talloc_disable_null_tracking();
talloc_enable_null_tracking();
ret &= test_ref1();
ret &= test_ref2();
ret &= test_ref3();
ret &= test_ref4();
ret &= test_unlink1();
ret &= test_misc();
ret &= test_realloc();
ret &= test_realloc_child();
ret &= test_steal();
ret &= test_move();
ret &= test_unref_reparent();
ret &= test_realloc_fn();
ret &= test_type();
ret &= test_lifeless();
ret &= test_loop();
ret &= test_free_parent_deny_child();
ret &= test_talloc_ptrtype();
if (ret) {
ret &= test_speed();
}
ret &= test_autofree();
if (!ret)
return -1;
return 0;
}
static bool test_free_ref_null_context(void)
{
void *p1, *p2, *p3;
int ret;
talloc_disable_null_tracking();
p1 = talloc_new(NULL);
p2 = talloc_new(NULL);
p3 = talloc_reference(p2, p1);
torture_assert("reference", p3 == p1, "failed: reference on null");
ret = talloc_free(p1);
torture_assert("ref free with null parent", ret == 0, "failed: free with null parent");
talloc_free(p2);
talloc_enable_null_tracking_no_autofree();
p1 = talloc_new(NULL);
p2 = talloc_new(NULL);
p3 = talloc_reference(p2, p1);
torture_assert("reference", p3 == p1, "failed: reference on null");
ret = talloc_free(p1);
torture_assert("ref free with null tracked parent", ret == 0, "failed: free with null parent");
talloc_free(p2);
return true;
}
int main(int argc, char *argv[])
{
plan_tests(5);
failtest_init(argc, argv);
talloc_enable_null_tracking();
if (null_context) {
ok1(test_unref_reparent(NULL) && test_lifeless(NULL));
/* This closes the leak, but don't free any other leaks! */
ok1(!talloc_chunk_from_ptr(null_context)->child);
talloc_disable_null_tracking();
}
failtest_exit(exit_status());
}
bool
leak_check_teardown(void)
{
bool res;
check_leaks_pop(global_talloc_context);
if (snapshot_stack != NULL) {
_set_leak_err_msg("Exiting with a non-empty stack");
return false;
}
res = check_leaks(global_talloc_context, 0);
talloc_disable_null_tracking();
talloc_free(global_talloc_context);
return res;
}
bool torture_local_talloc(struct torture_context *tctx)
{
bool ret = true;
setlinebuf(stdout);
talloc_disable_null_tracking();
talloc_enable_null_tracking();
ret &= test_ref1();
ret &= test_ref2();
ret &= test_ref3();
ret &= test_ref4();
ret &= test_unlink1();
ret &= test_misc();
ret &= test_realloc();
ret &= test_realloc_child();
ret &= test_steal();
ret &= test_move();
ret &= test_unref_reparent();
ret &= test_realloc_fn();
ret &= test_type();
ret &= test_lifeless();
ret &= test_loop();
ret &= test_free_parent_deny_child();
ret &= test_talloc_ptrtype();
ret &= test_talloc_free_in_destructor();
ret &= test_pool();
if (ret) {
ret &= test_speed();
}
ret &= test_autofree();
return ret;
}
int main(int argc, char *argv[])
{
TALLOC_CTX *main_ctx=NULL;
TR_INSTANCE *tr = NULL;
struct cmdline_args opts;
struct event_base *ev_base;
struct tr_socket_event tids_ev;
struct event *cfgwatch_ev;
configure_signals();
/* we're going to be multithreaded, so disable null context tracking */
talloc_set_abort_fn(tr_abort);
talloc_disable_null_tracking();
#if TALLOC_DEBUG_ENABLE
talloc_set_log_fn(tr_talloc_log);
#endif /* TALLOC_DEBUG_ENABLE */
main_ctx=talloc_new(NULL);
/* Use standalone logging */
tr_log_open();
/***** parse command-line arguments *****/
/* set defaults */
opts.config_dir=".";
/* parse the command line*/
argp_parse(&argp, argc, argv, 0, 0, &opts);
/* process options */
remove_trailing_slash(opts.config_dir);
/***** create a Trust Router instance *****/
if (NULL == (tr = tr_create(main_ctx))) {
tr_crit("Unable to create Trust Router instance, exiting.");
return 1;
}
/***** initialize the trust path query server instance *****/
if (NULL == (tr->tids = tids_create (tr))) {
tr_crit("Error initializing Trust Path Query Server instance.");
return 1;
}
/***** initialize the trust router protocol server instance *****/
if (NULL == (tr->trps = trps_new(tr))) {
tr_crit("Error initializing Trust Router Protocol Server instance.");
return 1;
}
/***** process configuration *****/
tr->cfgwatch=tr_cfgwatch_create(tr);
if (tr->cfgwatch == NULL) {
tr_crit("Unable to create configuration watcher object, exiting.");
return 1;
}
tr->cfgwatch->config_dir=opts.config_dir;
tr->cfgwatch->cfg_mgr=tr->cfg_mgr;
tr->cfgwatch->update_cb=tr_config_changed; /* handle configuration changes */
tr->cfgwatch->update_cookie=(void *)tr;
if (0 != tr_read_and_apply_config(tr->cfgwatch)) {
tr_crit("Error reading configuration, exiting.");
return 1;
}
/***** Set up the event loop *****/
ev_base=tr_event_loop_init(); /* Set up the event loop */
if (ev_base==NULL) {
tr_crit("Error initializing event loop.");
return 1;
}
/* already set config_dir, fstat_list and n_files earlier */
if (0 != tr_cfgwatch_event_init(ev_base, tr->cfgwatch, &cfgwatch_ev)) {
tr_crit("Error initializing configuration file watcher.");
return 1;
}
/*tr_status_event_init();*/ /* install status reporting events */
/* install TID server events */
if (0 != tr_tids_event_init(ev_base,
tr->tids,
tr->cfg_mgr,
tr->trps,
&tids_ev)) {
tr_crit("Error initializing Trust Path Query Server instance.");
return 1;
}
/* install TRP handler events */
if (TRP_SUCCESS != tr_trps_event_init(ev_base, tr)) {
tr_crit("Error initializing Trust Path Query Server instance.");
return 1;
}
tr_event_loop_run(ev_base); /* does not return until we are done */
tr_destroy(tr); /* thanks to talloc, should destroy everything */
talloc_free(main_ctx);
return 0;
}
int context_source_destructor(struct context *c)
{
struct language *l;
void *context;
const char *obj_name;
assert(c->type == CONTEXT_TYPE_SOURCE);
#ifdef DEBUG
fprintf(stderr, "context_source_destructor('%s', '%s')\n",
c->full_path, c->parent->full_path);
#endif
/* Try to find a language that's compatible with the language already used
* in this binary, and is compatible with this current source file. */
l = languagelist_search(c->ll, c->parent->language, c->full_path, c);
if (l == NULL) {
fprintf(stderr, "No language found for '%s'\n", c->full_path);
if ((c->parent == NULL) || (c->parent->language == NULL))
abort();
fprintf(stderr, "Parent language is '%s', from '%s'\n",
c->parent->language->name, c->parent->full_path);
abort();
}
c->parent->language = l;
#ifdef DEBUG
fprintf(stderr, "\tc->parent->language->name: '%s'\n",
c->parent->language->name);
#endif
/* Try and figure out if the grandparent of this code should be a
* shared or static library. */
if (l->cares_about_static == true) {
struct context *lc;
lc = c;
while (lc != NULL) {
if (lc->type == CONTEXT_TYPE_LIBRARY)
break;
if (lc->parent == lc) {
lc = NULL;
break;
}
lc = lc->parent;
}
/* It's very possible we ended up with something that
* _doesn't_ target a library, which is perfectly fine. */
if (lc != NULL) {
char *ext;
ext = strstr(lc->full_path, ".");
if (ext == NULL)
abort();
ext++;
if (strcmp(ext, lc->language->so_ext_canon) == 0)
c->shared_target = true;
else if (strcmp(ext, lc->language->a_ext_canon) == 0)
c->shared_target = false;
else
abort();
}
}
/* We need to allocate some temporary memory */
context = talloc_new(NULL);
/* Some languages don't need to be compiled (just linked) so we skip the
* entire compiling phase. */
if (language_needs_compile(l, c) == true) {
/* This is the name that our code will be compiled into. This must
* succeed, as we just checked that it's necessary. */
obj_name = language_objname(l, context, c);
assert(obj_name != NULL);
/* This handles half of the whole "--binname --objname" stuff,
* which is why it's so messy! */
if (found_binary && c->called_path != NULL) {
if (strcmp(c->called_path, o->srcname) == 0) {
printf("%s\n", obj_name);
talloc_disable_null_tracking();
exit(0);
}
}
/* If we've already built this dependency, then it's not necessary to
* add it to the build list again, so skip it. */
if (!stringlist_include(c->mf->targets, obj_name)) {
makefile_add_targets(c->mf, obj_name);
makefile_create_target(c->mf, obj_name);
makefile_start_deps(c->mf);
language_deps_vadd_dep(l, c, c->mf);
makefile_end_deps(c->mf);
makefile_start_cmds(c->mf);
language_build_pass_vcmd(l, c);
makefile_end_cmds(c->mf);
makefile_add_targets(c->mf, obj_name);
makefile_add_clean(c->mf, obj_name);
makefile_add_cleancache(c->mf, c->obj_dir);
}
} else {
/* The "objects" for languages that aren't compiled are really just the
* included sources. */
obj_name = talloc_reference(context, c->full_path);
}
/* Adds every "extra" (which is defined as any other sources that should be
* linked in as a result of this SOURCES += line) to the stack. */
if (stringlist_include(c->parent->objects, obj_name) == false) {
language_extras_pass_cs_push_fs(l, c, context, c->s);
stringlist_add(c->parent->objects, obj_name);
}
/* Run some language-specific quirks here */
language_quirks(l, c, c->mf);
/* Everything succeeded! */
TALLOC_FREE(context);
return 0;
}
static int _fr_disable_null_tracking(UNUSED bool *p)
{
talloc_disable_null_tracking();
return 0;
}
/*
* The main guy.
*/
int main(int argc, char *argv[])
{
int rcode = EXIT_SUCCESS;
int status;
int argval;
bool spawn_flag = true;
bool write_pid = false;
bool display_version = false;
int flag = 0;
int from_child[2] = {-1, -1};
fr_state_t *state = NULL;
/*
* We probably don't want to free the talloc autofree context
* directly, so we'll allocate a new context beneath it, and
* free that before any leak reports.
*/
TALLOC_CTX *autofree = talloc_init("main");
#ifdef OSFC2
set_auth_parameters(argc, argv);
#endif
if ((progname = strrchr(argv[0], FR_DIR_SEP)) == NULL)
progname = argv[0];
else
progname++;
#ifdef WIN32
{
WSADATA wsaData;
if (WSAStartup(MAKEWORD(2, 0), &wsaData)) {
fprintf(stderr, "%s: Unable to initialize socket library.\n", progname);
exit(EXIT_FAILURE);
}
}
#endif
rad_debug_lvl = 0;
set_radius_dir(autofree, RADIUS_DIR);
/*
* Ensure that the configuration is initialized.
*/
memset(&main_config, 0, sizeof(main_config));
main_config.myip.af = AF_UNSPEC;
main_config.port = 0;
main_config.name = "radiusd";
main_config.daemonize = true;
/*
* Don't put output anywhere until we get told a little
* more.
*/
default_log.dst = L_DST_NULL;
default_log.fd = -1;
main_config.log_file = NULL;
/* Process the options. */
while ((argval = getopt(argc, argv, "Cd:D:fhi:l:mMn:p:PstvxX")) != EOF) {
switch (argval) {
case 'C':
check_config = true;
spawn_flag = false;
main_config.daemonize = false;
break;
case 'd':
set_radius_dir(autofree, optarg);
break;
case 'D':
main_config.dictionary_dir = talloc_typed_strdup(autofree, optarg);
break;
case 'f':
main_config.daemonize = false;
break;
case 'h':
usage(0);
break;
case 'l':
if (strcmp(optarg, "stdout") == 0) {
goto do_stdout;
}
main_config.log_file = strdup(optarg);
default_log.dst = L_DST_FILES;
default_log.fd = open(main_config.log_file,
O_WRONLY | O_APPEND | O_CREAT, 0640);
if (default_log.fd < 0) {
fprintf(stderr, "radiusd: Failed to open log file %s: %s\n", main_config.log_file, fr_syserror(errno));
exit(EXIT_FAILURE);
}
fr_log_fp = fdopen(default_log.fd, "a");
break;
case 'i':
if (ip_hton(&main_config.myip, AF_UNSPEC, optarg, false) < 0) {
fprintf(stderr, "radiusd: Invalid IP Address or hostname \"%s\"\n", optarg);
exit(EXIT_FAILURE);
}
flag |= 1;
break;
case 'n':
main_config.name = optarg;
break;
case 'm':
main_config.debug_memory = true;
break;
case 'M':
main_config.memory_report = true;
main_config.debug_memory = true;
break;
case 'p':
{
unsigned long port;
port = strtoul(optarg, 0, 10);
if ((port == 0) || (port > UINT16_MAX)) {
fprintf(stderr, "radiusd: Invalid port number \"%s\"\n", optarg);
exit(EXIT_FAILURE);
}
main_config.port = (uint16_t) port;
flag |= 2;
}
break;
case 'P':
/* Force the PID to be written, even in -f mode */
write_pid = true;
break;
case 's': /* Single process mode */
spawn_flag = false;
main_config.daemonize = false;
break;
case 't': /* no child threads */
spawn_flag = false;
break;
case 'v':
display_version = true;
break;
case 'X':
spawn_flag = false;
main_config.daemonize = false;
rad_debug_lvl += 2;
main_config.log_auth = true;
main_config.log_auth_badpass = true;
main_config.log_auth_goodpass = true;
do_stdout:
fr_log_fp = stdout;
default_log.dst = L_DST_STDOUT;
default_log.fd = STDOUT_FILENO;
break;
case 'x':
rad_debug_lvl++;
break;
default:
usage(1);
break;
}
}
/*
* Mismatch between the binary and the libraries it depends on.
*/
if (fr_check_lib_magic(RADIUSD_MAGIC_NUMBER) < 0) {
fr_perror("radiusd");
exit(EXIT_FAILURE);
}
if (rad_check_lib_magic(RADIUSD_MAGIC_NUMBER) < 0) exit(EXIT_FAILURE);
/*
* Mismatch between build time OpenSSL and linked SSL, better to die
* here than segfault later.
*/
#ifdef HAVE_OPENSSL_CRYPTO_H
if (ssl_check_consistency() < 0) exit(EXIT_FAILURE);
#endif
if (flag && (flag != 0x03)) {
fprintf(stderr, "radiusd: The options -i and -p cannot be used individually.\n");
exit(EXIT_FAILURE);
}
/*
* According to the talloc peeps, no two threads may modify any part of
* a ctx tree with a common root without synchronisation.
*
* So we can't run with a null context and threads.
*/
if (main_config.memory_report) {
if (spawn_flag) {
fprintf(stderr, "radiusd: The server cannot produce memory reports (-M) in threaded mode\n");
exit(EXIT_FAILURE);
}
talloc_enable_null_tracking();
} else {
talloc_disable_null_tracking();
}
/*
* Better here, so it doesn't matter whether we get passed -xv or -vx.
*/
if (display_version) {
/* Don't print timestamps */
rad_debug_lvl += 2;
fr_log_fp = stdout;
default_log.dst = L_DST_STDOUT;
default_log.fd = STDOUT_FILENO;
INFO("%s: %s", progname, radiusd_version);
version_print();
exit(EXIT_SUCCESS);
}
if (rad_debug_lvl) version_print();
/*
* Under linux CAP_SYS_PTRACE is usually only available before setuid/setguid,
* so we need to check whether we can attach before calling those functions
* (in main_config_init()).
*/
fr_store_debug_state();
/*
* Initialising OpenSSL once, here, is safer than having individual modules do it.
*/
#ifdef HAVE_OPENSSL_CRYPTO_H
tls_global_init();
#endif
/*
* Read the configuration files, BEFORE doing anything else.
*/
if (main_config_init() < 0) exit(EXIT_FAILURE);
/*
* This is very useful in figuring out why the panic_action didn't fire.
*/
INFO("%s", fr_debug_state_to_msg(fr_debug_state));
/*
* Check for vulnerabilities in the version of libssl were linked against.
*/
#if defined(HAVE_OPENSSL_CRYPTO_H) && defined(ENABLE_OPENSSL_VERSION_CHECK)
if (tls_global_version_check(main_config.allow_vulnerable_openssl) < 0) exit(EXIT_FAILURE);
#endif
fr_talloc_fault_setup();
/*
* Set the panic action (if required)
*/
{
char const *panic_action = NULL;
panic_action = getenv("PANIC_ACTION");
if (!panic_action) panic_action = main_config.panic_action;
if (panic_action && (fr_fault_setup(panic_action, argv[0]) < 0)) {
fr_perror("radiusd");
exit(EXIT_FAILURE);
}
}
#ifndef __MINGW32__
/*
* Disconnect from session
*/
if (main_config.daemonize) {
pid_t pid;
int devnull;
/*
* Really weird things happen if we leave stdin open and call things like
* system() later.
*/
devnull = open("/dev/null", O_RDWR);
if (devnull < 0) {
ERROR("Failed opening /dev/null: %s", fr_syserror(errno));
exit(EXIT_FAILURE);
}
dup2(devnull, STDIN_FILENO);
close(devnull);
if (pipe(from_child) != 0) {
ERROR("Couldn't open pipe for child status: %s", fr_syserror(errno));
exit(EXIT_FAILURE);
}
pid = fork();
if (pid < 0) {
ERROR("Couldn't fork: %s", fr_syserror(errno));
exit(EXIT_FAILURE);
}
/*
* The parent exits, so the child can run in the background.
*
* As the child can still encounter an error during initialisation
* we do a blocking read on a pipe between it and the parent.
*
* Just before entering the event loop the child will send a success
* or failure message to the parent, via the pipe.
*/
if (pid > 0) {
uint8_t ret = 0;
int stat_loc;
/* So the pipe is correctly widowed if the child exits */
close(from_child[1]);
/*
* The child writes a 0x01 byte on success, and closes
* the pipe on error.
*/
if ((read(from_child[0], &ret, 1) < 0)) {
ret = 0;
}
/* For cleanliness... */
close(from_child[0]);
/* Don't turn children into zombies */
if (!ret) {
waitpid(pid, &stat_loc, WNOHANG);
exit(EXIT_FAILURE);
}
exit(EXIT_SUCCESS);
}
/* so the pipe is correctly widowed if the parent exits?! */
close(from_child[0]);
# ifdef HAVE_SETSID
setsid();
# endif
}
#endif
/*
* Ensure that we're using the CORRECT pid after forking, NOT the one
* we started with.
*/
radius_pid = getpid();
/*
* Initialize any event loops just enough so module instantiations can
* add fd/event to them, but do not start them yet.
*
* This has to be done post-fork in case we're using kqueue, where the
* queue isn't inherited by the child process.
*/
if (!radius_event_init(autofree)) exit(EXIT_FAILURE);
/*
* Load the modules
*/
if (modules_init(main_config.config) < 0) exit(EXIT_FAILURE);
/*
* Redirect stderr/stdout as appropriate.
*/
if (radlog_init(&default_log, main_config.daemonize) < 0) {
ERROR("%s", fr_strerror());
exit(EXIT_FAILURE);
}
event_loop_started = true;
/*
* Start the event loop(s) and threads.
*/
radius_event_start(main_config.config, spawn_flag);
/*
* Now that we've set everything up, we can install the signal
* handlers. Before this, if we get any signal, we don't know
* what to do, so we might as well do the default, and die.
*/
#ifdef SIGPIPE
signal(SIGPIPE, SIG_IGN);
#endif
if ((fr_set_signal(SIGHUP, sig_hup) < 0) ||
(fr_set_signal(SIGTERM, sig_fatal) < 0)) {
ERROR("%s", fr_strerror());
exit(EXIT_FAILURE);
}
/*
* If we're debugging, then a CTRL-C will cause the server to die
* immediately. Use SIGTERM to shut down the server cleanly in
* that case.
*/
if (main_config.debug_memory || (rad_debug_lvl == 0)) {
if ((fr_set_signal(SIGINT, sig_fatal) < 0)
#ifdef SIGQUIT
|| (fr_set_signal(SIGQUIT, sig_fatal) < 0)
#endif
) {
ERROR("%s", fr_strerror());
exit(EXIT_FAILURE);
}
}
/*
* Everything seems to have loaded OK, exit gracefully.
*/
if (check_config) {
DEBUG("Configuration appears to be OK");
/* for -C -m|-M */
if (main_config.debug_memory) goto cleanup;
exit(EXIT_SUCCESS);
}
#ifdef WITH_STATS
radius_stats_init(0);
#endif
/*
* Write the PID always if we're running as a daemon.
*/
if (main_config.daemonize) write_pid = true;
/*
* Write the PID after we've forked, so that we write the correct one.
*/
if (write_pid) {
FILE *fp;
fp = fopen(main_config.pid_file, "w");
if (fp != NULL) {
/*
* @fixme What about following symlinks,
* and having it over-write a normal file?
*/
fprintf(fp, "%d\n", (int) radius_pid);
fclose(fp);
} else {
ERROR("Failed creating PID file %s: %s", main_config.pid_file, fr_syserror(errno));
exit(EXIT_FAILURE);
}
}
exec_trigger(NULL, NULL, "server.start", false);
/*
* Inform the parent (who should still be waiting) that the rest of
* initialisation went OK, and that it should exit with a 0 status.
* If we don't get this far, then we just close the pipe on exit, and the
* parent gets a read failure.
*/
if (main_config.daemonize) {
if (write(from_child[1], "\001", 1) < 0) {
WARN("Failed informing parent of successful start: %s",
fr_syserror(errno));
}
close(from_child[1]);
}
/*
* Clear the libfreeradius error buffer.
*/
fr_strerror();
/*
* Initialise the state rbtree (used to link multiple rounds of challenges).
*/
state = fr_state_init(NULL, 0);
/*
* Process requests until HUP or exit.
*/
while ((status = radius_event_process()) == 0x80) {
#ifdef WITH_STATS
radius_stats_init(1);
#endif
main_config_hup();
}
if (status < 0) {
ERROR("Exiting due to internal error: %s", fr_strerror());
rcode = EXIT_FAILURE;
} else {
INFO("Exiting normally");
}
/*
* Ignore the TERM signal: we're about to die.
*/
signal(SIGTERM, SIG_IGN);
/*
* Fire signal and stop triggers after ignoring SIGTERM, so handlers are
* not killed with the rest of the process group, below.
*/
if (status == 2) exec_trigger(NULL, NULL, "server.signal.term", true);
exec_trigger(NULL, NULL, "server.stop", false);
/*
* Send a TERM signal to all associated processes
* (including us, which gets ignored.)
*/
#ifndef __MINGW32__
if (spawn_flag) kill(-radius_pid, SIGTERM);
#endif
/*
* We're exiting, so we can delete the PID file.
* (If it doesn't exist, we can ignore the error returned by unlink)
*/
if (main_config.daemonize) unlink(main_config.pid_file);
radius_event_free();
cleanup:
/*
* Detach any modules.
*/
modules_free();
xlat_free(); /* modules may have xlat's */
fr_state_delete(state);
/*
* Free the configuration items.
*/
main_config_free();
#ifdef WIN32
WSACleanup();
#endif
#ifdef HAVE_OPENSSL_CRYPTO_H
tls_global_cleanup();
#endif
/*
* So we don't see autofreed memory in the talloc report
*/
talloc_free(autofree);
if (main_config.memory_report) {
INFO("Allocated memory at time of report:");
fr_log_talloc_report(NULL);
}
return rcode;
}