/**
* Handle on/off directives.
*
* @param[in] cp Config parser
* @param[in] name Directive name
* @param[in] onoff on/off flag
* @param[in] cbdata Callback data (ignored)
*
* @returns Status code
*/
static ib_status_t handle_directive_onoff(ib_cfgparser_t *cp,
const char *name,
int onoff,
void *cbdata)
{
assert(cp != NULL);
assert(name != NULL);
assert(cp->ib != NULL);
ib_engine_t *ib = cp->ib;
ib_status_t rc;
ib_module_t *module = NULL;
modpcre_cfg_t *config = NULL;
ib_context_t *ctx = cp->cur_ctx ? cp->cur_ctx : ib_context_main(ib);
const char *pname;
/* Get my module object */
rc = ib_engine_module_get(cp->ib, MODULE_NAME_STR, &module);
if (rc != IB_OK) {
ib_cfg_log_error(cp, "Failed to get %s module object: %s",
MODULE_NAME_STR, ib_status_to_string(rc));
return rc;
}
/* Get my module configuration */
rc = ib_context_module_config(ctx, module, (void *)&config);
if (rc != IB_OK) {
ib_cfg_log_error(cp, "Failed to get %s module configuration: %s",
MODULE_NAME_STR, ib_status_to_string(rc));
return rc;
}
if (strcasecmp("PcreStudy", name) == 0) {
pname = MODULE_NAME_STR ".study";
}
else if (strcasecmp("PcreUseJit", name) == 0) {
pname = MODULE_NAME_STR ".use_jit";
}
else {
ib_cfg_log_error(cp, "Unhandled directive \"%s\"", name);
return IB_EINVAL;
}
rc = ib_context_set_num(ctx, pname, onoff);
if (rc != IB_OK) {
ib_cfg_log_error(cp, "Failed to set \"%s\" to %s for \"%s\": %s",
pname, onoff ? "true" : "false", name,
ib_status_to_string(rc));
}
return IB_OK;
}
/**
* @internal
* Handle a PocSigTrace directive.
*
* @param cp Config parser
* @param name Directive name
* @param p1 First parameter
* @param cbdata Callback data (from directive registration)
*
* @returns Status code
*/
static ib_status_t pocsig_dir_trace(ib_cfgparser_t *cp,
const char *name,
const char *p1,
void *cbdata)
{
IB_FTRACE_INIT(pocsig_dir_trace);
ib_engine_t *ib = cp->ib;
ib_context_t *ctx = cp->cur_ctx ? cp->cur_ctx : ib_context_main(ib);
ib_status_t rc;
ib_log_debug(ib, 7, "%s: \"%s\" ctx=%p", name, p1, ctx);
if (strcasecmp("On", p1) == 0) {
rc = ib_context_set_num(ctx, MODULE_NAME_STR ".trace", 1);
IB_FTRACE_RET_STATUS(rc);
}
else if (strcasecmp("Off", p1) == 0) {
rc = ib_context_set_num(ctx, MODULE_NAME_STR ".trace", 0);
IB_FTRACE_RET_STATUS(rc);
}
ib_log_error(ib, 1, "Failed to parse directive: %s \"%s\"", name, p1);
IB_FTRACE_RET_STATUS(IB_EINVAL);
}
/**
* Initializes and configures the ironbee engine.
*/
static int ironbee_post_config(apr_pool_t *p, apr_pool_t *plog, apr_pool_t *ptmp,
server_rec *s)
{
ironbee_config_t *modcfg =
(ironbee_config_t *)ap_get_module_config(s->module_config,
&ironbee_module);
ib_cfgparser_t *cp;
ib_provider_t *lpr;
void *init = NULL;
ib_status_t rc;
/* Init IB library. */
rc = ib_initialize();
if (rc != IB_OK) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s,
IB_PRODUCT_NAME ": Error initializing ib library");
return OK;
}
ib_util_log_level(4);
/* Detect first (validation) run vs real config run. */
apr_pool_userdata_get(&init, "ironbee-init", s->process->pool);
if (init == NULL) {
ap_log_error(APLOG_MARK, APLOG_INFO, 0, s,
MODULE_NAME_FULL " loading.");
apr_pool_userdata_set((const void *)1, "ironbee-init",
apr_pool_cleanup_null, s->process->pool);
return OK;
}
/// @todo Tracefile needs removed
//ib_trace_init("/tmp/ironbee.trace");
ib_trace_init(NULL);
/* Create the engine handle. */
rc = ib_engine_create(&ironbee, &ibplugin);
if (rc != IB_OK) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s,
IB_PRODUCT_NAME ": Error creating engine: %d", rc);
return OK;
}
/* Register the logger. */
rc = ib_provider_register(ironbee, IB_PROVIDER_TYPE_LOGGER,
MODULE_NAME_STR, &lpr,
&ironbee_logger_iface,
NULL);
if (rc != IB_OK) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s,
IB_PRODUCT_NAME ": Error registering log provider: %d", rc);
return OK;
}
ib_provider_data_set(lpr, (void *)s);
/* Default logger */
/// @todo Need to add a post set hook in core for this to work correctly
ib_context_set_string(ib_context_engine(ironbee),
IB_PROVIDER_TYPE_LOGGER,
MODULE_NAME_STR);
ib_context_set_num(ib_context_engine(ironbee),
IB_PROVIDER_TYPE_LOGGER ".log_level",
4);
rc = ib_engine_init(ironbee);
if (rc != IB_OK) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s,
IB_PRODUCT_NAME ": Error initializing engine: %d", rc);
return OK;
}
/* Register module cleanup. */
apr_pool_cleanup_register(p, (void *)s, ironbee_module_cleanup,
apr_pool_cleanup_null);
/* Register conn/tx init hooks. */
ib_hook_register(ironbee, conn_opened_event,
(ib_void_fn_t)ironbee_conn_init, s);
/* Configure the engine. */
if (modcfg->config != NULL) {
ib_context_t *ctx;
/* Notify the engine that the config process has started. This
* will also create a main configuration context.
*/
ib_state_notify_cfg_started(ironbee);
/* Get the main configuration context. */
ctx = ib_context_main(ironbee);
/* Set some defaults */
ib_context_set_string(ctx, IB_PROVIDER_TYPE_LOGGER, MODULE_NAME_STR);
ib_context_set_num(ctx, "logger.log_level", 4);
/* Parse the config file. */
rc = ib_cfgparser_create(&cp, ironbee);
if ((rc == IB_OK) && (cp != NULL)) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s,
IB_PRODUCT_NAME ": Parsing config: %s",
modcfg->config);
ib_cfgparser_parse(cp, modcfg->config);
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s,
IB_PRODUCT_NAME ": Destroying config parser");
ib_cfgparser_destroy(cp);
}
/* Notify the engine that the config process has finished. This
* will also close out the main configuration context.
*/
ib_state_notify_cfg_finished(ironbee);
}
else {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s,
IB_PRODUCT_NAME ": No config specified with IronBeeConfig directive");
}
ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, s,
MODULE_NAME_FULL " configured.");
return OK;
}
/**
* Handle single parameter directives.
*
* @param cp Config parser
* @param name Directive name
* @param p1 First parameter
* @param cbdata Callback data (from directive registration)
*
* @returns Status code
*/
static ib_status_t handle_directive_param(ib_cfgparser_t *cp,
const char *name,
const char *p1,
void *cbdata)
{
assert(cp != NULL);
assert(name != NULL);
assert(p1 != NULL);
assert(cp->ib != NULL);
ib_engine_t *ib = cp->ib;
ib_status_t rc;
ib_module_t *module = NULL;
modpcre_cfg_t *config = NULL;
ib_context_t *ctx = cp->cur_ctx ? cp->cur_ctx : ib_context_main(ib);
const char *pname;
ib_num_t value;
/* Get my module object */
rc = ib_engine_module_get(cp->ib, MODULE_NAME_STR, &module);
if (rc != IB_OK) {
ib_cfg_log_error(cp, "Failed to get %s module object: %s",
MODULE_NAME_STR, ib_status_to_string(rc));
return rc;
}
/* Get my module configuration */
rc = ib_context_module_config(ctx, module, (void *)&config);
if (rc != IB_OK) {
ib_cfg_log_error(cp, "Failed to get %s module configuration: %s",
MODULE_NAME_STR, ib_status_to_string(rc));
return rc;
}
/* p1 should be a number */
rc = ib_string_to_num(p1, 0, &value);
if (rc != IB_OK) {
ib_cfg_log_error(cp,
"Failed to convert \"%s\" to a number for \"%s\": %s",
p1, name, ib_status_to_string(rc));
return rc;
}
if (strcasecmp("PcreMatchLimit", name) == 0) {
pname = "pcre.match_limit";
}
else if (strcasecmp("PcreMatchLimitRecursion", name) == 0) {
pname = "pcre.match_limit_recursion";
}
else if (strcasecmp("PcreJitStackStart", name) == 0) {
pname = "pcre.jit_stack_start";
}
else if (strcasecmp("PcreJitStackMax", name) == 0) {
pname = "pcre.jit_stack_max";
}
else if (strcasecmp("PcreDfaWorkspaceSize", name) == 0) {
pname = "pcre.dfa_workspace_size";
}
else {
ib_cfg_log_error(cp, "Unhandled directive \"%s\"", name);
return IB_EINVAL;
}
rc = ib_context_set_num(ctx, pname, value);
if (rc != IB_OK) {
ib_cfg_log_error(cp, "Failed to set \"%s\" to %ld for \"%s\": %s",
pname, (long int)value, name, ib_status_to_string(rc));
}
return IB_OK;
}
/**
* Ironbee initialisation function. Sets up engine and logging,
* and reads Ironbee config.
*
* @param[in] cf Configuration rec
* @return NGX_OK or error
*/
static ngx_int_t ironbee_init(ngx_conf_t *cf)
{
ngx_log_t *prev_log;
ib_context_t *ctx;
ib_cfgparser_t *cp;
ironbee_proc_t *proc;
ib_status_t rc, rc1;
prev_log = ngxib_log(cf->log);
ngx_regex_malloc_init(cf->pool);
ngx_log_error(NGX_LOG_NOTICE, cf->log, 0, "ironbee_init %d", getpid());
proc = ngx_http_conf_get_module_main_conf(cf, ngx_ironbee_module);
if (proc->loglevel == NGX_CONF_UNSET_UINT)
proc->loglevel = 4; /* default */
rc = ib_initialize();
if (rc != IB_OK)
cleanup_return(prev_log) IB2NG(rc);
ib_util_log_level(proc->loglevel);
rc = ib_engine_create(&ironbee, ngxib_server());
if (rc != IB_OK)
cleanup_return(prev_log) IB2NG(rc);
if (proc->use_ngxib_logger)
ib_log_set_logger_fn(ironbee, ngxib_logger, NULL);
/* Using default log level function. */
rc = ib_engine_init(ironbee);
if (rc != IB_OK)
cleanup_return(prev_log) IB2NG(rc);
/* TODO: TS creates logfile at this point */
ib_hook_conn_register(ironbee, conn_opened_event, ngxib_conn_init, NULL);
rc = ib_cfgparser_create(&cp, ironbee);
assert((cp != NULL) || (rc != IB_OK));
if (rc != IB_OK)
cleanup_return(prev_log) IB2NG(rc);
rc = ib_engine_config_started(ironbee, cp);
if (rc != IB_OK)
cleanup_return(prev_log) IB2NG(rc);
/* Get the main context, set some defaults */
ctx = ib_context_main(ironbee);
ib_context_set_num(ctx, "logger.log_level", proc->loglevel);
/* FIXME - use the temp pool operation for this */
char *buf = strndup((char*)proc->config_file.data, proc->config_file.len);
rc = ib_cfgparser_parse(cp, buf);
free(buf);
rc1 = ib_engine_config_finished(ironbee);
ib_cfgparser_destroy(cp);
cleanup_return(prev_log) rc == IB_OK ? rc1 == IB_OK ? NGX_OK : IB2NG(rc1) : IB2NG(rc);
}
static int ironbee_init(const char *configfile, const char *logfile)
{
/* grab from httpd module's post-config */
ib_status_t rc;
// ib_provider_t *lpr;
ib_cfgparser_t *cp;
ib_context_t *ctx;
int rv;
rc = ib_initialize();
if (rc != IB_OK) {
return rc;
}
ib_util_log_level(9);
ib_trace_init(TRACEFILE);
rc = ib_engine_create(&ironbee, &ibplugin);
if (rc != IB_OK) {
return rc;
}
rc = ib_provider_register(ironbee, IB_PROVIDER_TYPE_LOGGER, "ironbee-ts",
NULL, &ironbee_logger_iface, NULL);
if (rc != IB_OK) {
return rc;
}
ib_context_set_string(ib_context_engine(ironbee),
IB_PROVIDER_TYPE_LOGGER, "ironbee-ts");
ib_context_set_num(ib_context_engine(ironbee),
IB_PROVIDER_TYPE_LOGGER ".log_level", 4);
rc = ib_engine_init(ironbee);
if (rc != IB_OK) {
return rc;
}
/* success is documented as TS_LOG_ERROR_NO_ERROR but that's undefined.
* It's actually a TS_SUCCESS (proxy/InkAPI.cc line 6641).
*/
rv = TSTextLogObjectCreate(logfile, TS_LOG_MODE_ADD_TIMESTAMP, &ironbee_log);
if (rv != TS_SUCCESS) {
return IB_OK + rv;
}
rc = atexit(ibexit);
if (rc != 0) {
return IB_OK + rv;
}
ib_hook_register(ironbee, conn_opened_event,
(ib_void_fn_t)ironbee_conn_init, NULL);
ib_state_notify_cfg_started(ironbee);
ctx = ib_context_main(ironbee);
ib_context_set_string(ctx, IB_PROVIDER_TYPE_LOGGER, "ironbee-ts");
ib_context_set_num(ctx, "logger.log_level", 4);
rc = ib_cfgparser_create(&cp, ironbee);
if (rc != IB_OK) {
return rc;
}
if (cp != NULL) { // huh?
ib_cfgparser_parse(cp, configfile);
ib_cfgparser_destroy(cp);
}
ib_state_notify_cfg_finished(ironbee);
return IB_OK;
}
