int main(int argc, char *argv[]) { OM_uint32 minor_status; gss_buffer_desc in_buf; gss_OID nt_krb5_name_oid = (gss_OID)GSS_KRB5_NT_PRINCIPAL_NAME; auth_gssapi_name names[4]; kadm5_config_params params; verto_ctx *vctx; const char *pid_file = NULL; char **db_args = NULL, **tmpargs; int ret, i, db_args_size = 0, strong_random = 1, proponly = 0; setlocale(LC_ALL, ""); setvbuf(stderr, NULL, _IONBF, 0); names[0].name = names[1].name = names[2].name = names[3].name = NULL; names[0].type = names[1].type = names[2].type = names[3].type = nt_krb5_name_oid; progname = (strrchr(argv[0], '/') != NULL) ? strrchr(argv[0], '/') + 1 : argv[0]; memset(¶ms, 0, sizeof(params)); argc--, argv++; while (argc) { if (strcmp(*argv, "-x") == 0) { argc--, argv++; if (!argc) usage(); db_args_size++; tmpargs = realloc(db_args, sizeof(char *) * (db_args_size + 1)); if (tmpargs == NULL) { fprintf(stderr, _("%s: cannot initialize. Not enough " "memory\n"), progname); exit(1); } db_args = tmpargs; db_args[db_args_size - 1] = *argv; db_args[db_args_size] = NULL; } else if (strcmp(*argv, "-r") == 0) { argc--, argv++; if (!argc) usage(); params.realm = *argv; params.mask |= KADM5_CONFIG_REALM; argc--, argv++; continue; } else if (strcmp(*argv, "-m") == 0) { params.mkey_from_kbd = 1; params.mask |= KADM5_CONFIG_MKEY_FROM_KBD; } else if (strcmp(*argv, "-nofork") == 0) { nofork = 1; #ifdef USE_PASSWORD_SERVER } else if (strcmp(*argv, "-passwordserver") == 0) { kadm5_set_use_password_server(); #endif #ifndef DISABLE_IPROP } else if (strcmp(*argv, "-proponly") == 0) { proponly = 1; #endif } else if (strcmp(*argv, "-port") == 0) { argc--, argv++; if (!argc) usage(); params.kadmind_port = atoi(*argv); params.mask |= KADM5_CONFIG_KADMIND_PORT; } else if (strcmp(*argv, "-P") == 0) { argc--, argv++; if (!argc) usage(); pid_file = *argv; } else if (strcmp(*argv, "-W") == 0) { strong_random = 0; } else if (strcmp(*argv, "-p") == 0) { argc--, argv++; if (!argc) usage(); kdb5_util = *argv; } else if (strcmp(*argv, "-F") == 0) { argc--, argv++; if (!argc) usage(); dump_file = *argv; } else if (strcmp(*argv, "-K") == 0) { argc--, argv++; if (!argc) usage(); kprop = *argv; } else if (strcmp(*argv, "-k") == 0) { argc--, argv++; if (!argc) usage(); kprop_port = *argv; } else { break; } argc--, argv++; } if (argc != 0) usage(); ret = kadm5_init_krb5_context(&context); if (ret) { fprintf(stderr, _("%s: %s while initializing context, aborting\n"), progname, error_message(ret)); exit(1); } krb5_klog_init(context, "admin_server", progname, 1); ret = kadm5_init(context, "kadmind", NULL, NULL, ¶ms, KADM5_STRUCT_VERSION, KADM5_API_VERSION_4, db_args, &global_server_handle); if (ret) fail_to_start(ret, _("initializing")); ret = kadm5_get_config_params(context, 1, ¶ms, ¶ms); if (ret) fail_to_start(ret, _("getting config parameters")); if (!(params.mask & KADM5_CONFIG_REALM)) fail_to_start(0, _("Missing required realm configuration")); if (!(params.mask & KADM5_CONFIG_ACL_FILE)) fail_to_start(0, _("Missing required ACL file configuration")); ret = setup_loop(proponly, &vctx); if (ret) fail_to_start(ret, _("initializing network")); names[0].name = build_princ_name(KADM5_ADMIN_SERVICE, params.realm); names[1].name = build_princ_name(KADM5_CHANGEPW_SERVICE, params.realm); if (names[0].name == NULL || names[1].name == NULL) fail_to_start(0, _("Cannot build GSSAPI auth names")); ret = setup_kdb_keytab(); if (ret) fail_to_start(0, _("Cannot set up KDB keytab")); if (svcauth_gssapi_set_names(names, 2) == FALSE) fail_to_start(0, _("Cannot set GSSAPI authentication names")); /* if set_names succeeded, this will too */ in_buf.value = names[1].name; in_buf.length = strlen(names[1].name) + 1; (void)gss_import_name(&minor_status, &in_buf, nt_krb5_name_oid, &gss_changepw_name); svcauth_gssapi_set_log_badauth2_func(log_badauth, NULL); svcauth_gssapi_set_log_badverf_func(log_badverf, NULL); svcauth_gssapi_set_log_miscerr_func(log_miscerr, NULL); svcauth_gss_set_log_badauth2_func(log_badauth, NULL); svcauth_gss_set_log_badverf_func(log_badverf, NULL); svcauth_gss_set_log_miscerr_func(log_miscerr, NULL); if (svcauth_gss_set_svc_name(GSS_C_NO_NAME) != TRUE) fail_to_start(0, _("Cannot initialize GSSAPI service name")); ret = acl_init(context, params.acl_file); if (ret) fail_to_start(ret, _("initializing ACL file")); if (!nofork && daemon(0, 0) != 0) fail_to_start(errno, _("spawning daemon process")); if (pid_file != NULL) { ret = write_pid_file(pid_file); if (ret) fail_to_start(ret, _("creating PID file")); } krb5_klog_syslog(LOG_INFO, _("Seeding random number generator")); ret = krb5_c_random_os_entropy(context, strong_random, NULL); if (ret) fail_to_start(ret, _("getting random seed")); if (params.iprop_enabled == TRUE) { ulog_set_role(context, IPROP_MASTER); ret = ulog_map(context, params.iprop_logfile, params.iprop_ulogsize); if (ret) fail_to_start(ret, _("mapping update log")); if (nofork) { fprintf(stderr, _("%s: create IPROP svc (PROG=%d, VERS=%d)\n"), progname, KRB5_IPROP_PROG, KRB5_IPROP_VERS); } } if (kprop_port == NULL) kprop_port = getenv("KPROP_PORT"); krb5_klog_syslog(LOG_INFO, _("starting")); if (nofork) fprintf(stderr, _("%s: starting...\n"), progname); verto_run(vctx); krb5_klog_syslog(LOG_INFO, _("finished, exiting")); /* Clean up memory, etc */ svcauth_gssapi_unset_names(); kadm5_destroy(global_server_handle); loop_free(vctx); acl_finish(context); (void)gss_release_name(&minor_status, &gss_changepw_name); (void)gss_release_name(&minor_status, &gss_oldchangepw_name); for (i = 0; i < 4; i++) free(names[i].name); krb5_klog_close(context); krb5_free_context(context); exit(2); }
/* * Validate the log file and resync any uncommitted update entries * to the principal database. * * Must be called with lock held. */ static krb5_error_code ulog_check(krb5_context context, kdb_hlog_t *ulog, char **db_args) { XDR xdrs; krb5_error_code retval = 0; unsigned int i; kdb_ent_header_t *indx_log; kdb_incr_update_t *upd = NULL; kdb_incr_result_t *incr_ret = NULL; ulog->kdb_state = KDB_STABLE; for (i = 0; i < ulog->kdb_num; i++) { indx_log = (kdb_ent_header_t *)INDEX(ulog, i); if (indx_log->kdb_umagic != KDB_ULOG_MAGIC) { /* * Update entry corrupted we should scream and die */ ulog->kdb_state = KDB_CORRUPT; retval = KRB5_LOG_CORRUPT; break; } if (indx_log->kdb_commit == FALSE) { ulog->kdb_state = KDB_UNSTABLE; incr_ret = (kdb_incr_result_t *) malloc(sizeof (kdb_incr_result_t)); if (incr_ret == NULL) { retval = errno; goto error; } upd = (kdb_incr_update_t *) malloc(sizeof (kdb_incr_update_t)); if (upd == NULL) { retval = errno; goto error; } (void) memset(upd, 0, sizeof (kdb_incr_update_t)); xdrmem_create(&xdrs, (char *)indx_log->entry_data, indx_log->kdb_entry_size, XDR_DECODE); if (!xdr_kdb_incr_update_t(&xdrs, upd)) { retval = KRB5_LOG_CONV; goto error; } incr_ret->updates.kdb_ulog_t_len = 1; incr_ret->updates.kdb_ulog_t_val = upd; upd->kdb_commit = TRUE; /* * We don't want to readd this update and just use the * existing update to be propagated later on */ ulog_set_role(context, IPROP_NULL); retval = ulog_replay(context, incr_ret, db_args); /* * upd was freed by ulog_replay, we NULL * the pointer in case we subsequently break from loop. */ upd = NULL; if (incr_ret) { free(incr_ret); incr_ret = NULL; } ulog_set_role(context, IPROP_MASTER); if (retval) goto error; /* * We flag this as committed since this was * the last entry before kadmind crashed, ergo * the slaves have not seen this update before */ indx_log->kdb_commit = TRUE; retval = ulog_sync_update(ulog, indx_log); if (retval) goto error; ulog->kdb_state = KDB_STABLE; } } error: if (upd) ulog_free_entries(upd, 1); free(incr_ret); ulog_sync_header(ulog); return (retval); }