/** A useful function for returning a path in the Samba lock directory. **/ char *lpcfg_lock_path(TALLOC_CTX* mem_ctx, struct loadparm_context *lp_ctx, const char *name) { char *fname, *dname; if (name == NULL) { return NULL; } if (name[0] == 0 || name[0] == '/' || strstr(name, ":/")) { return talloc_strdup(mem_ctx, name); } dname = talloc_strdup(mem_ctx, lpcfg_lockdir(lp_ctx)); trim_string(dname,"","/"); if (!directory_exist(dname)) { if (!mkdir(dname,0755)) DEBUG(1, ("Unable to create directory %s for file %s. " "Error was %s\n", dname, name, strerror(errno))); } fname = talloc_asprintf(mem_ctx, "%s/%s", dname, name); talloc_free(dname); return fname; }
/* main server. */ static int binary_smbd_main(const char *binary_name, int argc, const char *argv[]) { bool opt_daemon = false; bool opt_interactive = false; int opt; poptContext pc; #define _MODULE_PROTO(init) extern NTSTATUS init(void); STATIC_service_MODULES_PROTO; init_module_fn static_init[] = { STATIC_service_MODULES }; init_module_fn *shared_init; struct tevent_context *event_ctx; uint16_t stdin_event_flags; NTSTATUS status; const char *model = "standard"; int max_runtime = 0; enum { OPT_DAEMON = 1000, OPT_INTERACTIVE, OPT_PROCESS_MODEL, OPT_SHOW_BUILD }; struct poptOption long_options[] = { POPT_AUTOHELP {"daemon", 'D', POPT_ARG_NONE, NULL, OPT_DAEMON, "Become a daemon (default)", NULL }, {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE, "Run interactive (not a daemon)", NULL}, {"model", 'M', POPT_ARG_STRING, NULL, OPT_PROCESS_MODEL, "Select process model", "MODEL"}, {"maximum-runtime",0, POPT_ARG_INT, &max_runtime, 0, "set maximum runtime of the server process, till autotermination", "seconds"}, {"show-build", 'b', POPT_ARG_NONE, NULL, OPT_SHOW_BUILD, "show build info", NULL }, POPT_COMMON_SAMBA POPT_COMMON_VERSION { NULL } }; pc = poptGetContext(binary_name, argc, argv, long_options, 0); while((opt = poptGetNextOpt(pc)) != -1) { switch(opt) { case OPT_DAEMON: opt_daemon = true; break; case OPT_INTERACTIVE: opt_interactive = true; break; case OPT_PROCESS_MODEL: model = poptGetOptArg(pc); break; case OPT_SHOW_BUILD: show_build(); break; default: fprintf(stderr, "\nInvalid option %s: %s\n\n", poptBadOption(pc, 0), poptStrerror(opt)); poptPrintUsage(pc, stderr, 0); return 1; } } if (opt_daemon && opt_interactive) { fprintf(stderr,"\nERROR: " "Option -i|--interactive is not allowed together with -D|--daemon\n\n"); poptPrintUsage(pc, stderr, 0); return 1; } else if (!opt_interactive) { /* default is --daemon */ opt_daemon = true; } poptFreeContext(pc); setup_logging(binary_name, opt_interactive?DEBUG_STDOUT:DEBUG_FILE); setup_signals(); /* we want total control over the permissions on created files, so set our umask to 0 */ umask(0); DEBUG(0,("%s version %s started.\n", binary_name, SAMBA_VERSION_STRING)); DEBUGADD(0,("Copyright Andrew Tridgell and the Samba Team 1992-2011\n")); if (sizeof(uint16_t) < 2 || sizeof(uint32_t) < 4 || sizeof(uint64_t) < 8) { DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n")); DEBUGADD(0,("sizeof(uint16_t) = %u, sizeof(uint32_t) %u, sizeof(uint64_t) = %u\n", (unsigned int)sizeof(uint16_t), (unsigned int)sizeof(uint32_t), (unsigned int)sizeof(uint64_t))); return 1; } if (opt_daemon) { DEBUG(3,("Becoming a daemon.\n")); become_daemon(true, false, false); } cleanup_tmp_files(cmdline_lp_ctx); if (!directory_exist(lpcfg_lockdir(cmdline_lp_ctx))) { mkdir(lpcfg_lockdir(cmdline_lp_ctx), 0755); } pidfile_create(lpcfg_piddir(cmdline_lp_ctx), binary_name); /* Set up a database to hold a random seed, in case we don't * have /dev/urandom */ if (!randseed_init(talloc_autofree_context(), cmdline_lp_ctx)) { return 1; } if (lpcfg_server_role(cmdline_lp_ctx) == ROLE_DOMAIN_CONTROLLER) { if (!open_schannel_session_store(talloc_autofree_context(), lpcfg_private_dir(cmdline_lp_ctx))) { DEBUG(0,("ERROR: Samba cannot open schannel store for secured NETLOGON operations.\n")); exit(1); } } gensec_init(); /* FIXME: */ ntptr_init(); /* FIXME: maybe run this in the initialization function of the spoolss RPC server instead? */ ntvfs_init(cmdline_lp_ctx); /* FIXME: maybe run this in the initialization functions of the SMB[,2] server instead? */ process_model_init(cmdline_lp_ctx); shared_init = load_samba_modules(NULL, "service"); run_init_functions(static_init); run_init_functions(shared_init); talloc_free(shared_init); /* the event context is the top level structure in smbd. Everything else should hang off that */ event_ctx = s4_event_context_init(talloc_autofree_context()); if (event_ctx == NULL) { DEBUG(0,("Initializing event context failed\n")); return 1; } if (opt_interactive) { /* terminate when stdin goes away */ stdin_event_flags = TEVENT_FD_READ; } else { /* stay alive forever */ stdin_event_flags = 0; } /* catch EOF on stdin */ #ifdef SIGTTIN signal(SIGTTIN, SIG_IGN); #endif tevent_add_fd(event_ctx, event_ctx, 0, stdin_event_flags, server_stdin_handler, discard_const(binary_name)); if (max_runtime) { DEBUG(0,("Called with maxruntime %d - current ts %llu\n", max_runtime, (unsigned long long) time(NULL))); tevent_add_timer(event_ctx, event_ctx, timeval_current_ofs(max_runtime, 0), max_runtime_handler, discard_const(binary_name)); } prime_ldb_databases(event_ctx); status = setup_parent_messaging(event_ctx, cmdline_lp_ctx); if (!NT_STATUS_IS_OK(status)) { DEBUG(0,("Failed to setup parent messaging - %s\n", nt_errstr(status))); return 1; } DEBUG(0,("%s: using '%s' process model\n", binary_name, model)); status = server_service_startup(event_ctx, cmdline_lp_ctx, model, lpcfg_server_services(cmdline_lp_ctx)); if (!NT_STATUS_IS_OK(status)) { DEBUG(0,("Starting Services failed - %s\n", nt_errstr(status))); return 1; } /* wait for events - this is where smbd sits for most of its life */ tevent_loop_wait(event_ctx); /* as everything hangs off this event context, freeing it should initiate a clean shutdown of all services */ talloc_free(event_ctx); return 0; }
/** A useful function for returning a path in the Samba lock directory. **/ char *lpcfg_lock_path(TALLOC_CTX* mem_ctx, struct loadparm_context *lp_ctx, const char *name) { return lpcfg_common_path(mem_ctx, lpcfg_lockdir(lp_ctx), name); }