static xapi xmain()
{
enter;
#if DEVEL
char space[512];
#endif
char * fabw_path = 0;
const command * cmd = 0;
memblk * mb = 0;
fab_client * client = 0;
fab_request * request = 0;
int fd = -1;
#if DEBUG || DEVEL
// this check is omitted in DEBUG/DEVEL mode because valgrind requires non-setgid and non-setuid executables
#else
// this executable MUST BE OWNED by fabsys:fabsys and have u+s and g+s permissions
if(strcmp(g_euid_name, "fabsys") || strcmp(g_egid_name, "fabsys"))
{
xapi_info_pushf("real", "r:%s/%d:%s/%d", g_ruid_name, g_ruid, g_rgid_name, g_rgid);
xapi_info_pushf("effective", "e:%s/%d:%s/%d", g_euid_name, g_euid, g_egid_name, g_egid);
fail(MAIN_EXEPERMS);
}
#endif
#if DEBUG || DEVEL
logs(L_IPC, "started");
#endif
// parse cmdline arguments
fatal(args_parse, &cmd);
fatal(args_report, cmd);
// ensure fabd can write to my stdout/stderr
fatal(xfchmod, 1, 0777);
fatal(xfchmod, 2, 0777);
#if DEVEL
snprintf(space, sizeof(space), "%s/../fabw/fabw.devel", g_params.exedir);
fabw_path = space;
#endif
fatal(fab_client_create, &client, ".", XQUOTE(FABIPCDIR), fabw_path);
#if 0
// kill the existing fabd instance, if any
if(changed credentials)
fatal(client_terminate);
#endif
fatal(fab_client_prepare, client);
fatal(fab_client_launchp, client);
fatal(memblk_mk, &mb);
fatal(args_collate, cmd, mb, &request);
fatal(fab_client_make_request, client, mb, request);
finally:
if(XAPI_UNWINDING)
{
if(XAPI_ERRVAL == FAB_NODAEMON)
{
#if DEBUG || DEVEL
// fabd exited - check for a coredump
#endif
}
else if(XAPI_ERRVAL == MAIN_BADARGS || XAPI_ERRVAL == MAIN_NOCOMMAND)
{
fatal(args_usage, cmd, 1, 1);
}
}
// locals
fatal(ixclose, &fd);
fatal(fab_client_dispose, &client);
memblk_free(mb);
// module teardown
fatal(build_command_cleanup);
coda;
}
int main(int argc, char** argv, char ** envp)
{
enter;
xapi R = 0;
char space[512];
char * fabw_path = 0;
const command * cmd = 0;
memblk * mb = 0;
fab_client * client = 0;
fab_request * request = 0;
int fd = -1;
size_t tracesz = 0;
// libraries
fatal(fab_load);
fatal(logger_load);
fatal(valyria_load);
fatal(narrator_load);
fatal(xlinux_load);
xapi_errtab_register(perrtab_MAIN);
// logging
fatal(logging_setup);
fatal(logger_arguments_setup, envp);
fatal(logger_finalize);
// modules
fatal(params_setup);
fatal(params_report);
fatal(sigbank_setup, "fab");
// parse cmdline arguments
fatal(args_parse, &cmd);
fatal(args_report, cmd);
// ensure fabd can write to my stdout/stderr
fatal(xfchmod, 1, 0777);
fatal(xfchmod, 2, 0777);
#if DEVEL
snprintf(space, sizeof(space), "%s/../fabw/fabw.devel", g_params.exedir);
fabw_path = space;
#endif
fatal(fab_client_create, &client, ".", XQUOTE(FABIPCDIR), fabw_path);
#if DEBUG || DEVEL
logs(L_IPC, "started");
#endif
#if 0
// possibly kill the existing fabd instance, if any
if(changed credentials)
fatal(client_terminate);
#endif
fatal(fab_client_prepare, client);
fatal(fab_client_launchp, client);
fatal(memblk_mk, &mb);
fatal(args_collate, cmd, mb, &request);
fatal(fab_client_make_request, client, mb, request);
finally:
#if DEBUG || DEVEL
if(log_would(L_IPC))
{
xapi_infos("name", "fab");
xapi_infof("pid", "%ld", (long)getpid());
if(client)
xapi_infos("hash", fab_client_gethash(client));
}
#endif
if(XAPI_UNWINDING)
{
if(XAPI_ERRVAL == FAB_FABDEXIT || XAPI_ERRVAL == FAB_UNSUCCESS)
{
// on orderly shutdown fabd has already backtraced to our stdout
}
else
{
#if DEBUG || DEVEL || XAPI
tracesz = xapi_trace_full(space, sizeof(space));
#else
tracesz = xapi_trace_pithy(space, sizeof(space));
#endif
xlogw(L_ERROR, L_RED, space, tracesz);
}
if(XAPI_ERRVAL == MAIN_BADARGS)
{
fatal(args_usage, cmd, 0, 0);
}
}
// locals
fatal(ixclose, &fd);
fatal(fab_client_dispose, &client);
memblk_free(mb);
// module teardown
sigbank_teardown();
params_teardown();
fatal(build_command_cleanup);
// libraries
fatal(fab_unload);
fatal(logger_unload);
fatal(valyria_unload);
fatal(narrator_unload);
fatal(xlinux_unload);
conclude(&R);
xapi_teardown();
return !!R;
}