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/*
* ModSecurity for Apache 2.x, http://www.modsecurity.org/
* Copyright (c) 2004-2013 Trustwave Holdings, Inc. (http://www.trustwave.com/)
*
* You may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* If any of the files related to licensing are missing or if you have any
* other questions related to licensing please contact Trustwave Holdings, Inc.
* directly using the email address security@modsecurity.org.
*/
#include <limits.h>
#include "modsecurity.h"
#include "msc_logging.h"
#include "msc_util.h"
#include "http_log.h"
#include "apr_lib.h"
#include "acmp.h"
#include "msc_crypt.h"
#if defined(WITH_LUA)
#include "msc_lua.h"
#endif
/* -- Directory context creation and initialisation -- */
/**
* Creates a fresh directory configuration.
*/
void *create_directory_config(apr_pool_t *mp, char *path)
{
directory_config *dcfg = (directory_config *)apr_pcalloc(mp, sizeof(directory_config));
if (dcfg == NULL) return NULL;
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, mp, "Created directory config %pp path %s", dcfg, path);
#endif
dcfg->mp = mp;
dcfg->is_enabled = NOT_SET;
dcfg->reqbody_access = NOT_SET;
dcfg->reqintercept_oe = NOT_SET;
dcfg->reqbody_buffering = NOT_SET;
dcfg->reqbody_inmemory_limit = NOT_SET;
dcfg->reqbody_limit = NOT_SET;
dcfg->reqbody_no_files_limit = NOT_SET;
dcfg->resbody_access = NOT_SET;
dcfg->debuglog_name = NOT_SET_P;
dcfg->debuglog_level = NOT_SET;
dcfg->debuglog_fd = NOT_SET_P;
dcfg->of_limit = NOT_SET;
dcfg->if_limit_action = NOT_SET;
dcfg->of_limit_action = NOT_SET;
dcfg->of_mime_types = NOT_SET_P;
dcfg->of_mime_types_cleared = NOT_SET;
dcfg->cookie_format = NOT_SET;
dcfg->argument_separator = NOT_SET;
dcfg->cookiev0_separator = NOT_SET_P;
dcfg->rule_inheritance = NOT_SET;
dcfg->rule_exceptions = apr_array_make(mp, 16, sizeof(rule_exception *));
dcfg->hash_method = apr_array_make(mp, 16, sizeof(hash_method *));
/* audit log variables */
dcfg->auditlog_flag = NOT_SET;
dcfg->auditlog_type = NOT_SET;
#ifdef WITH_YAJL
dcfg->auditlog_format = NOT_SET;
#endif
dcfg->max_rule_time = NOT_SET;
dcfg->auditlog_dirperms = NOT_SET;
dcfg->auditlog_fileperms = NOT_SET;
dcfg->auditlog_name = NOT_SET_P;
dcfg->auditlog2_name = NOT_SET_P;
dcfg->auditlog_fd = NOT_SET_P;
dcfg->auditlog2_fd = NOT_SET_P;
dcfg->auditlog_storage_dir = NOT_SET_P;
dcfg->auditlog_parts = NOT_SET_P;
dcfg->auditlog_relevant_regex = NOT_SET_P;
dcfg->ruleset = NULL;
/* Upload */
dcfg->tmp_dir = NOT_SET_P;
dcfg->upload_dir = NOT_SET_P;
dcfg->upload_keep_files = NOT_SET;
dcfg->upload_validates_files = NOT_SET;
dcfg->upload_filemode = NOT_SET;
dcfg->upload_file_limit = NOT_SET;
/* These are only used during the configuration process. */
dcfg->tmp_chain_starter = NULL;
dcfg->tmp_default_actionset = NULL;
dcfg->tmp_rule_placeholders = NULL;
/* Misc */
dcfg->data_dir = NOT_SET_P;
dcfg->webappid = NOT_SET_P;
dcfg->sensor_id = NOT_SET_P;
dcfg->httpBlkey = NOT_SET_P;
/* Content injection. */
dcfg->content_injection_enabled = NOT_SET;
/* Stream inspection */
dcfg->stream_inbody_inspection = NOT_SET;
dcfg->stream_outbody_inspection = NOT_SET;
/* Geo Lookups */
dcfg->geo = NOT_SET_P;
/* Gsb Lookups */
dcfg->gsb = NOT_SET_P;
/* Unicode Map */
dcfg->u_map = NOT_SET_P;
/* Cache */
dcfg->cache_trans = NOT_SET;
dcfg->cache_trans_incremental = NOT_SET;
dcfg->cache_trans_min = NOT_SET;
dcfg->cache_trans_max = NOT_SET;
dcfg->cache_trans_maxitems = NOT_SET;
/* Rule ids */
dcfg->rule_id_htab = apr_hash_make(mp);
dcfg->component_signatures = apr_array_make(mp, 16, sizeof(char *));
dcfg->request_encoding = NOT_SET_P;
dcfg->disable_backend_compression = NOT_SET;
/* Collection timeout */
dcfg->col_timeout = NOT_SET;
dcfg->crypto_key = NOT_SET_P;
dcfg->crypto_key_len = NOT_SET;
dcfg->crypto_key_add = NOT_SET;
dcfg->crypto_param_name = NOT_SET_P;
dcfg->hash_is_enabled = NOT_SET;
dcfg->hash_enforcement = NOT_SET;
dcfg->crypto_hash_href_rx = NOT_SET;
dcfg->crypto_hash_faction_rx = NOT_SET;
dcfg->crypto_hash_location_rx = NOT_SET;
dcfg->crypto_hash_iframesrc_rx = NOT_SET;
dcfg->crypto_hash_framesrc_rx = NOT_SET;
dcfg->crypto_hash_href_pm = NOT_SET;
dcfg->crypto_hash_faction_pm = NOT_SET;
dcfg->crypto_hash_location_pm = NOT_SET;
dcfg->crypto_hash_iframesrc_pm = NOT_SET;
dcfg->crypto_hash_framesrc_pm = NOT_SET;
/* xml external entity */
dcfg->xml_external_entity = NOT_SET;
return dcfg;
}
/**
* Copies rules between one phase of two configuration contexts,
* taking exceptions into account.
*/
static void copy_rules_phase(apr_pool_t *mp,
apr_array_header_t *parent_phase_arr,
apr_array_header_t *child_phase_arr,
apr_array_header_t *exceptions_arr)
{
rule_exception **exceptions;
msre_rule **rules;
int i, j;
int mode = 0;
rules = (msre_rule **)parent_phase_arr->elts;
for(i = 0; i < parent_phase_arr->nelts; i++) {
msre_rule *rule = (msre_rule *)rules[i];
int copy = 1;
if (mode == 0) {
/* First rule in the chain. */
exceptions = (rule_exception **)exceptions_arr->elts;
for(j = 0; j < exceptions_arr->nelts; j++) {
/* Process exceptions. */
switch(exceptions[j]->type) {
case RULE_EXCEPTION_REMOVE_ID :
if ((rule->actionset != NULL)&&(rule->actionset->id != NULL)) {
int ruleid = atoi(rule->actionset->id);
if (rule_id_in_range(ruleid, exceptions[j]->param)) copy--;
}
break;
case RULE_EXCEPTION_REMOVE_MSG :
if ((rule->actionset != NULL)&&(rule->actionset->msg != NULL)) {
char *my_error_msg = NULL;
int rc = msc_regexec(exceptions[j]->param_data,
rule->actionset->msg, strlen(rule->actionset->msg),
&my_error_msg);
if (rc >= 0) copy--;
}
break;
case RULE_EXCEPTION_REMOVE_TAG :
if ((rule->actionset != NULL)&&(apr_is_empty_table(rule->actionset->actions) == 0)) {
char *my_error_msg = NULL;
const apr_array_header_t *tarr = NULL;
const apr_table_entry_t *telts = NULL;
int c;
tarr = apr_table_elts(rule->actionset->actions);
telts = (const apr_table_entry_t*)tarr->elts;
for (c = 0; c < tarr->nelts; c++) {
msre_action *action = (msre_action *)telts[c].val;
if(strcmp("tag", action->metadata->name) == 0) {
int rc = msc_regexec(exceptions[j]->param_data,
action->param, strlen(action->param),
&my_error_msg);
if (rc >= 0) copy--;
}
}
}
break;
}
}
if (copy > 0) {
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, mp, "Copy rule %pp [id \"%s\"]", rule, rule->actionset->id);
#endif
/* Copy the rule. */
*(msre_rule **)apr_array_push(child_phase_arr) = rule;
if (rule->actionset->is_chained) mode = 2;
} else {
if (rule->actionset->is_chained) mode = 1;
}
} else {
if (mode == 2) {
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, mp, "Copy chain %pp for rule %pp [id \"%s\"]", rule, rule->chain_starter, rule->chain_starter->actionset->id);
#endif
/* Copy the rule (it belongs to the chain we want to include. */
*(msre_rule **)apr_array_push(child_phase_arr) = rule;
}
if ((rule->actionset == NULL)||(rule->actionset->is_chained == 0)) mode = 0;
}
}
}
/**
* @brief Copies rules between one phase of two configuration contexts.
*
* Copies rules between one phase of two configuration contexts,
* taking exceptions into account.
*
* @param mp apr pool structure
* @param parent_ruleset Parent's msre_ruleset
* @param child_ruleset Child's msre_ruleset
* @param exceptions_arr Exceptions' apr_array_header_t
* @retval 0 Everything went well.
* @retval -1 Something went wrong.
*
*/
static int copy_rules(apr_pool_t *mp, msre_ruleset *parent_ruleset,
msre_ruleset *child_ruleset,
apr_array_header_t *exceptions_arr)
{
int ret = 0;
if (parent_ruleset == NULL || child_ruleset == NULL ||
exceptions_arr == NULL) {
ret = -1;
goto failed;
}
copy_rules_phase(mp, parent_ruleset->phase_request_headers,
child_ruleset->phase_request_headers, exceptions_arr);
copy_rules_phase(mp, parent_ruleset->phase_request_body,
child_ruleset->phase_request_body, exceptions_arr);
copy_rules_phase(mp, parent_ruleset->phase_response_headers,
child_ruleset->phase_response_headers, exceptions_arr);
copy_rules_phase(mp, parent_ruleset->phase_response_body,
child_ruleset->phase_response_body, exceptions_arr);
copy_rules_phase(mp, parent_ruleset->phase_logging,
child_ruleset->phase_logging, exceptions_arr);
failed:
return ret;
}
/**
* Merges two directory configurations.
*/
void *merge_directory_configs(apr_pool_t *mp, void *_parent, void *_child)
{
directory_config *parent = (directory_config *)_parent;
directory_config *child = (directory_config *)_child;
directory_config *merged = create_directory_config(mp, NULL);
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, mp, "Merge parent %pp child %pp RESULT %pp", _parent, _child, merged);
#endif
if (merged == NULL) return NULL;
/* Use values from the child configuration where possible,
* otherwise use the parent's.
*/
merged->is_enabled = (child->is_enabled == NOT_SET
? parent->is_enabled : child->is_enabled);
/* IO parameters */
merged->reqbody_access = (child->reqbody_access == NOT_SET
? parent->reqbody_access : child->reqbody_access);
merged->reqbody_buffering = (child->reqbody_buffering == NOT_SET
? parent->reqbody_buffering : child->reqbody_buffering);
merged->reqbody_inmemory_limit = (child->reqbody_inmemory_limit == NOT_SET
? parent->reqbody_inmemory_limit : child->reqbody_inmemory_limit);
merged->reqbody_limit = (child->reqbody_limit == NOT_SET
? parent->reqbody_limit : child->reqbody_limit);
merged->reqbody_no_files_limit = (child->reqbody_no_files_limit == NOT_SET
? parent->reqbody_no_files_limit : child->reqbody_no_files_limit);
merged->resbody_access = (child->resbody_access == NOT_SET
? parent->resbody_access : child->resbody_access);
merged->of_limit = (child->of_limit == NOT_SET
? parent->of_limit : child->of_limit);
merged->if_limit_action = (child->if_limit_action == NOT_SET
? parent->if_limit_action : child->if_limit_action);
merged->of_limit_action = (child->of_limit_action == NOT_SET
? parent->of_limit_action : child->of_limit_action);
merged->reqintercept_oe = (child->reqintercept_oe == NOT_SET
? parent->reqintercept_oe : child->reqintercept_oe);
if (child->of_mime_types != NOT_SET_P) {
/* Child added to the table */
if (child->of_mime_types_cleared == 1) {
/* The list of MIME types was cleared in the child,
* which means the parent's MIME types went away and
* we should not take them into consideration here.
*/
merged->of_mime_types = child->of_mime_types;
merged->of_mime_types_cleared = 1;
} else {
/* Add MIME types defined in the child to those
* defined in the parent context.
*/
if (parent->of_mime_types == NOT_SET_P) {
merged->of_mime_types = child->of_mime_types;
merged->of_mime_types_cleared = NOT_SET;
} else {
merged->of_mime_types = apr_table_overlay(mp, parent->of_mime_types,
child->of_mime_types);
if (merged->of_mime_types == NULL) return NULL;
}
}
} else {
/* Child did not add to the table */
if (child->of_mime_types_cleared == 1) {
merged->of_mime_types_cleared = 1;
} else {
merged->of_mime_types = parent->of_mime_types;
merged->of_mime_types_cleared = parent->of_mime_types_cleared;
}
}
/* debug log */
if (child->debuglog_fd == NOT_SET_P) {
merged->debuglog_name = parent->debuglog_name;
merged->debuglog_fd = parent->debuglog_fd;
} else {
merged->debuglog_name = child->debuglog_name;
merged->debuglog_fd = child->debuglog_fd;
}
merged->debuglog_level = (child->debuglog_level == NOT_SET
? parent->debuglog_level : child->debuglog_level);
merged->cookie_format = (child->cookie_format == NOT_SET
? parent->cookie_format : child->cookie_format);
merged->argument_separator = (child->argument_separator == NOT_SET
? parent->argument_separator : child->argument_separator);
merged->cookiev0_separator = (child->cookiev0_separator == NOT_SET_P
? parent->cookiev0_separator : child->cookiev0_separator);
/* rule inheritance */
if ((child->rule_inheritance == NOT_SET)||(child->rule_inheritance == 1)) {
merged->rule_inheritance = parent->rule_inheritance;
if ((child->ruleset == NULL)&&(parent->ruleset == NULL)) {
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, mp, "No rules in this context.");
#endif
/* Do nothing, there are no rules in either context. */
} else
if (child->ruleset == NULL) {
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, mp, "Using parent rules in this context.");
#endif
/* Copy the rules from the parent context. */
merged->ruleset = msre_ruleset_create(parent->ruleset->engine, mp);
/* TODO: copy_rules return code should be taken into consideration. */
copy_rules(mp, parent->ruleset, merged->ruleset, child->rule_exceptions);
} else
if (parent->ruleset == NULL) {
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, mp, "Using child rules in this context.");
#endif
/* Copy child rules. */
merged->ruleset = msre_ruleset_create(child->ruleset->engine, mp);
merged->ruleset->phase_request_headers = apr_array_copy(mp,
child->ruleset->phase_request_headers);
merged->ruleset->phase_request_body = apr_array_copy(mp,
child->ruleset->phase_request_body);
merged->ruleset->phase_response_headers = apr_array_copy(mp,
child->ruleset->phase_response_headers);
merged->ruleset->phase_response_body = apr_array_copy(mp,
child->ruleset->phase_response_body);
merged->ruleset->phase_logging = apr_array_copy(mp,
child->ruleset->phase_logging);
} else {
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, mp, "Using parent then child rules in this context.");
#endif
/* Copy parent rules, then add child rules to it. */
merged->ruleset = msre_ruleset_create(parent->ruleset->engine, mp);
/* TODO: copy_rules return code should be taken into consideration. */
copy_rules(mp, parent->ruleset, merged->ruleset, child->rule_exceptions);
apr_array_cat(merged->ruleset->phase_request_headers,
child->ruleset->phase_request_headers);
apr_array_cat(merged->ruleset->phase_request_body,
child->ruleset->phase_request_body);
apr_array_cat(merged->ruleset->phase_response_headers,
child->ruleset->phase_response_headers);
apr_array_cat(merged->ruleset->phase_response_body,
child->ruleset->phase_response_body);
apr_array_cat(merged->ruleset->phase_logging,
child->ruleset->phase_logging);
}
} else {
merged->rule_inheritance = 0;
if (child->ruleset != NULL) {
/* Copy child rules. */
merged->ruleset = msre_ruleset_create(child->ruleset->engine, mp);
merged->ruleset->phase_request_headers = apr_array_copy(mp,
child->ruleset->phase_request_headers);
merged->ruleset->phase_request_body = apr_array_copy(mp,
child->ruleset->phase_request_body);
merged->ruleset->phase_response_headers = apr_array_copy(mp,
child->ruleset->phase_response_headers);
merged->ruleset->phase_response_body = apr_array_copy(mp,
child->ruleset->phase_response_body);
merged->ruleset->phase_logging = apr_array_copy(mp,
child->ruleset->phase_logging);
}
}
/* Merge rule exceptions. */
merged->rule_exceptions = apr_array_append(mp, parent->rule_exceptions,
child->rule_exceptions);
merged->hash_method = apr_array_append(mp, parent->hash_method,
child->hash_method);
/* audit log variables */
merged->auditlog_flag = (child->auditlog_flag == NOT_SET
? parent->auditlog_flag : child->auditlog_flag);
merged->auditlog_type = (child->auditlog_type == NOT_SET
? parent->auditlog_type : child->auditlog_type);
merged->max_rule_time = (child->max_rule_time == NOT_SET
? parent->max_rule_time : child->max_rule_time);
merged->auditlog_dirperms = (child->auditlog_dirperms == NOT_SET
? parent->auditlog_dirperms : child->auditlog_dirperms);
merged->auditlog_fileperms = (child->auditlog_fileperms == NOT_SET
? parent->auditlog_fileperms : child->auditlog_fileperms);
if (child->auditlog_fd != NOT_SET_P) {
merged->auditlog_fd = child->auditlog_fd;
merged->auditlog_name = child->auditlog_name;
} else {
merged->auditlog_fd = parent->auditlog_fd;
merged->auditlog_name = parent->auditlog_name;
}
if (child->auditlog2_fd != NOT_SET_P) {
merged->auditlog2_fd = child->auditlog2_fd;
merged->auditlog2_name = child->auditlog2_name;
} else {
merged->auditlog2_fd = parent->auditlog2_fd;
merged->auditlog2_name = parent->auditlog2_name;
}
#ifdef WITH_YAJL
merged->auditlog_format = (child->auditlog_format == NOT_SET
? parent->auditlog_format : child->auditlog_format);
#endif
merged->auditlog_storage_dir = (child->auditlog_storage_dir == NOT_SET_P
? parent->auditlog_storage_dir : child->auditlog_storage_dir);
merged->auditlog_parts = (child->auditlog_parts == NOT_SET_P
? parent->auditlog_parts : child->auditlog_parts);
merged->auditlog_relevant_regex = (child->auditlog_relevant_regex == NOT_SET_P
? parent->auditlog_relevant_regex : child->auditlog_relevant_regex);
/* Upload */
merged->tmp_dir = (child->tmp_dir == NOT_SET_P
? parent->tmp_dir : child->tmp_dir);
merged->upload_dir = (child->upload_dir == NOT_SET_P
? parent->upload_dir : child->upload_dir);
merged->upload_keep_files = (child->upload_keep_files == NOT_SET
? parent->upload_keep_files : child->upload_keep_files);
merged->upload_validates_files = (child->upload_validates_files == NOT_SET
? parent->upload_validates_files : child->upload_validates_files);
merged->upload_filemode = (child->upload_filemode == NOT_SET
? parent->upload_filemode : child->upload_filemode);
merged->upload_file_limit = (child->upload_file_limit == NOT_SET
? parent->upload_file_limit : child->upload_file_limit);
/* Misc */
merged->data_dir = (child->data_dir == NOT_SET_P
? parent->data_dir : child->data_dir);
merged->webappid = (child->webappid == NOT_SET_P
? parent->webappid : child->webappid);
merged->sensor_id = (child->sensor_id == NOT_SET_P
? parent->sensor_id : child->sensor_id);
merged->httpBlkey = (child->httpBlkey == NOT_SET_P
? parent->httpBlkey : child->httpBlkey);
/* Content injection. */
merged->content_injection_enabled = (child->content_injection_enabled == NOT_SET
? parent->content_injection_enabled : child->content_injection_enabled);
/* Stream inspection */
merged->stream_inbody_inspection = (child->stream_inbody_inspection == NOT_SET
? parent->stream_inbody_inspection : child->stream_inbody_inspection);
merged->stream_outbody_inspection = (child->stream_outbody_inspection == NOT_SET
? parent->stream_outbody_inspection : child->stream_outbody_inspection);
/* Geo Lookup */
merged->geo = (child->geo == NOT_SET_P
? parent->geo : child->geo);
/* Gsb Lookup */
merged->gsb = (child->gsb == NOT_SET_P
? parent->gsb : child->gsb);
/* Unicode Map */
merged->u_map = (child->u_map == NOT_SET_P
? parent->u_map : child->u_map);
/* Cache */
merged->cache_trans = (child->cache_trans == NOT_SET
? parent->cache_trans : child->cache_trans);
merged->cache_trans_incremental = (child->cache_trans_incremental == NOT_SET
? parent->cache_trans_incremental : child->cache_trans_incremental);
merged->cache_trans_min = (child->cache_trans_min == (apr_size_t)NOT_SET
? parent->cache_trans_min : child->cache_trans_min);
merged->cache_trans_max = (child->cache_trans_max == (apr_size_t)NOT_SET
? parent->cache_trans_max : child->cache_trans_max);
merged->cache_trans_maxitems = (child->cache_trans_maxitems == (apr_size_t)NOT_SET
? parent->cache_trans_maxitems : child->cache_trans_maxitems);
/* Merge component signatures. */
merged->component_signatures = apr_array_append(mp, parent->component_signatures,
child->component_signatures);
merged->request_encoding = (child->request_encoding == NOT_SET_P
? parent->request_encoding : child->request_encoding);
merged->disable_backend_compression = (child->disable_backend_compression == NOT_SET
? parent->disable_backend_compression : child->disable_backend_compression);
merged->col_timeout = (child->col_timeout == NOT_SET
? parent->col_timeout : child->col_timeout);
/* Hash */
merged->crypto_key = (child->crypto_key == NOT_SET_P
? parent->crypto_key : child->crypto_key);
merged->crypto_key_len = (child->crypto_key_len == NOT_SET
? parent->crypto_key_len : child->crypto_key_len);
merged->crypto_key_add = (child->crypto_key_add == NOT_SET
? parent->crypto_key_add : child->crypto_key_add);
merged->crypto_param_name = (child->crypto_param_name == NOT_SET_P
? parent->crypto_param_name : child->crypto_param_name);
merged->hash_is_enabled = (child->hash_is_enabled == NOT_SET
? parent->hash_is_enabled : child->hash_is_enabled);
merged->hash_enforcement = (child->hash_enforcement == NOT_SET
? parent->hash_enforcement : child->hash_enforcement);
merged->crypto_hash_href_rx = (child->crypto_hash_href_rx == NOT_SET
? parent->crypto_hash_href_rx : child->crypto_hash_href_rx);
merged->crypto_hash_faction_rx = (child->crypto_hash_faction_rx == NOT_SET
? parent->crypto_hash_faction_rx : child->crypto_hash_faction_rx);
merged->crypto_hash_location_rx = (child->crypto_hash_location_rx == NOT_SET
? parent->crypto_hash_location_rx : child->crypto_hash_location_rx);
merged->crypto_hash_iframesrc_rx = (child->crypto_hash_iframesrc_rx == NOT_SET
? parent->crypto_hash_iframesrc_rx : child->crypto_hash_iframesrc_rx);
merged->crypto_hash_framesrc_rx = (child->crypto_hash_framesrc_rx == NOT_SET
? parent->crypto_hash_framesrc_rx : child->crypto_hash_framesrc_rx);
merged->crypto_hash_href_pm = (child->crypto_hash_href_pm == NOT_SET
? parent->crypto_hash_href_pm : child->crypto_hash_href_pm);
merged->crypto_hash_faction_pm = (child->crypto_hash_faction_pm == NOT_SET
? parent->crypto_hash_faction_pm : child->crypto_hash_faction_pm);
merged->crypto_hash_location_pm = (child->crypto_hash_location_pm == NOT_SET
? parent->crypto_hash_location_pm : child->crypto_hash_location_pm);
merged->crypto_hash_iframesrc_pm = (child->crypto_hash_iframesrc_pm == NOT_SET
? parent->crypto_hash_iframesrc_pm : child->crypto_hash_iframesrc_pm);
merged->crypto_hash_framesrc_pm = (child->crypto_hash_framesrc_pm == NOT_SET
? parent->crypto_hash_framesrc_pm : child->crypto_hash_framesrc_pm);
/* xml external entity */
merged->xml_external_entity = (child->xml_external_entity == NOT_SET
? parent->xml_external_entity : child->xml_external_entity);
return merged;
}
/**
* Initialise directory configuration. This function is *not* meant
* to be called for directory configuration instances created during
* the configuration phase. It can only be called on copies of those
* (created fresh for every transaction).
*/
void init_directory_config(directory_config *dcfg)
{
if (dcfg == NULL) return;
if (dcfg->is_enabled == NOT_SET) dcfg->is_enabled = 0;
if (dcfg->reqbody_access == NOT_SET) dcfg->reqbody_access = 0;
if (dcfg->reqintercept_oe == NOT_SET) dcfg->reqintercept_oe = 0;
if (dcfg->reqbody_buffering == NOT_SET) dcfg->reqbody_buffering = REQUEST_BODY_FORCEBUF_OFF;
if (dcfg->reqbody_inmemory_limit == NOT_SET)
dcfg->reqbody_inmemory_limit = REQUEST_BODY_DEFAULT_INMEMORY_LIMIT;
if (dcfg->reqbody_limit == NOT_SET) dcfg->reqbody_limit = REQUEST_BODY_DEFAULT_LIMIT;
if (dcfg->reqbody_no_files_limit == NOT_SET) dcfg->reqbody_no_files_limit = REQUEST_BODY_NO_FILES_DEFAULT_LIMIT;
if (dcfg->resbody_access == NOT_SET) dcfg->resbody_access = 0;
if (dcfg->of_limit == NOT_SET) dcfg->of_limit = RESPONSE_BODY_DEFAULT_LIMIT;
if (dcfg->if_limit_action == NOT_SET) dcfg->if_limit_action = REQUEST_BODY_LIMIT_ACTION_REJECT;
if (dcfg->of_limit_action == NOT_SET) dcfg->of_limit_action = RESPONSE_BODY_LIMIT_ACTION_REJECT;
if (dcfg->of_mime_types == NOT_SET_P) {
dcfg->of_mime_types = apr_table_make(dcfg->mp, 3);
if (dcfg->of_mime_types_cleared != 1) {
apr_table_setn(dcfg->of_mime_types, "text/plain", "1");
apr_table_setn(dcfg->of_mime_types, "text/html", "1");
}
}
if (dcfg->debuglog_fd == NOT_SET_P) dcfg->debuglog_fd = NULL;
if (dcfg->debuglog_name == NOT_SET_P) dcfg->debuglog_name = NULL;
if (dcfg->debuglog_level == NOT_SET) dcfg->debuglog_level = 0;
if (dcfg->cookie_format == NOT_SET) dcfg->cookie_format = 0;
if (dcfg->argument_separator == NOT_SET) dcfg->argument_separator = '&';
if (dcfg->cookiev0_separator == NOT_SET_P) dcfg->cookiev0_separator = NULL;
if (dcfg->rule_inheritance == NOT_SET) dcfg->rule_inheritance = 1;
/* audit log variables */
if (dcfg->auditlog_flag == NOT_SET) dcfg->auditlog_flag = 0;
if (dcfg->auditlog_type == NOT_SET) dcfg->auditlog_type = AUDITLOG_SERIAL;
#ifdef WITH_YAJL
if (dcfg->auditlog_format == NOT_SET) dcfg->auditlog_format = AUDITLOGFORMAT_NATIVE;
#endif
if (dcfg->max_rule_time == NOT_SET) dcfg->max_rule_time = 0;
if (dcfg->auditlog_dirperms == NOT_SET) dcfg->auditlog_dirperms = CREATEMODE_DIR;
if (dcfg->auditlog_fileperms == NOT_SET) dcfg->auditlog_fileperms = CREATEMODE;
if (dcfg->auditlog_fd == NOT_SET_P) dcfg->auditlog_fd = NULL;
if (dcfg->auditlog2_fd == NOT_SET_P) dcfg->auditlog2_fd = NULL;
if (dcfg->auditlog_name == NOT_SET_P) dcfg->auditlog_name = NULL;
if (dcfg->auditlog2_name == NOT_SET_P) dcfg->auditlog2_name = NULL;
if (dcfg->auditlog_storage_dir == NOT_SET_P) dcfg->auditlog_storage_dir = NULL;
if (dcfg->auditlog_parts == NOT_SET_P) dcfg->auditlog_parts = "ABCFHZ";
if (dcfg->auditlog_relevant_regex == NOT_SET_P) dcfg->auditlog_relevant_regex = NULL;
/* Upload */
if (dcfg->tmp_dir == NOT_SET_P) dcfg->tmp_dir = guess_tmp_dir(dcfg->mp);
if (dcfg->upload_dir == NOT_SET_P) dcfg->upload_dir = NULL;
if (dcfg->upload_keep_files == NOT_SET) dcfg->upload_keep_files = KEEP_FILES_OFF;
if (dcfg->upload_validates_files == NOT_SET) dcfg->upload_validates_files = 0;
if (dcfg->upload_filemode == NOT_SET) dcfg->upload_filemode = 0600;
if (dcfg->upload_file_limit == NOT_SET) dcfg->upload_file_limit = 100;
/* Misc */
if (dcfg->data_dir == NOT_SET_P) dcfg->data_dir = NULL;
if (dcfg->webappid == NOT_SET_P) dcfg->webappid = "default";
if (dcfg->sensor_id == NOT_SET_P) dcfg->sensor_id = "default";
if (dcfg->httpBlkey == NOT_SET_P) dcfg->httpBlkey = NULL;
/* Content injection. */
if (dcfg->content_injection_enabled == NOT_SET) dcfg->content_injection_enabled = 0;
/* Stream inspection */
if (dcfg->stream_inbody_inspection == NOT_SET) dcfg->stream_inbody_inspection = 0;
if (dcfg->stream_outbody_inspection == NOT_SET) dcfg->stream_outbody_inspection = 0;
/* Geo Lookup */
if (dcfg->geo == NOT_SET_P) dcfg->geo = NULL;
/* Gsb Lookup */
if (dcfg->gsb == NOT_SET_P) dcfg->gsb = NULL;
/* Unicode Map */
if (dcfg->u_map == NOT_SET_P) dcfg->u_map = NULL;
/* Cache */
if (dcfg->cache_trans == NOT_SET) dcfg->cache_trans = MODSEC_CACHE_DISABLED;
if (dcfg->cache_trans_incremental == NOT_SET) dcfg->cache_trans_incremental = 0;
if (dcfg->cache_trans_min == (apr_size_t)NOT_SET) dcfg->cache_trans_min = 32;
if (dcfg->cache_trans_max == (apr_size_t)NOT_SET) dcfg->cache_trans_max = 1024;
if (dcfg->cache_trans_maxitems == (apr_size_t)NOT_SET) dcfg->cache_trans_maxitems = 512;
if (dcfg->request_encoding == NOT_SET_P) dcfg->request_encoding = NULL;
if (dcfg->disable_backend_compression == NOT_SET) dcfg->disable_backend_compression = 0;
if (dcfg->col_timeout == NOT_SET) dcfg->col_timeout = 3600;
/* Hash */
if (dcfg->crypto_key == NOT_SET_P) dcfg->crypto_key = getkey(dcfg->mp);
if (dcfg->crypto_key_len == NOT_SET) dcfg->crypto_key_len = strlen(dcfg->crypto_key);
if (dcfg->crypto_key_add == NOT_SET) dcfg->crypto_key_add = HASH_KEYONLY;
if (dcfg->crypto_param_name == NOT_SET_P) dcfg->crypto_param_name = "crypt";
if (dcfg->hash_is_enabled == NOT_SET) dcfg->hash_is_enabled = HASH_DISABLED;
if (dcfg->hash_enforcement == NOT_SET) dcfg->hash_enforcement = HASH_DISABLED;
if (dcfg->crypto_hash_href_rx == NOT_SET) dcfg->crypto_hash_href_rx = 0;
if (dcfg->crypto_hash_faction_rx == NOT_SET) dcfg->crypto_hash_faction_rx = 0;
if (dcfg->crypto_hash_location_rx == NOT_SET) dcfg->crypto_hash_location_rx = 0;
if (dcfg->crypto_hash_iframesrc_rx == NOT_SET) dcfg->crypto_hash_iframesrc_rx = 0;
if (dcfg->crypto_hash_framesrc_rx == NOT_SET) dcfg->crypto_hash_framesrc_rx = 0;
if (dcfg->crypto_hash_href_pm == NOT_SET) dcfg->crypto_hash_href_pm = 0;
if (dcfg->crypto_hash_faction_pm == NOT_SET) dcfg->crypto_hash_faction_pm = 0;
if (dcfg->crypto_hash_location_pm == NOT_SET) dcfg->crypto_hash_location_pm = 0;
if (dcfg->crypto_hash_iframesrc_pm == NOT_SET) dcfg->crypto_hash_iframesrc_pm = 0;
if (dcfg->crypto_hash_framesrc_pm == NOT_SET) dcfg->crypto_hash_framesrc_pm = 0;
/* xml external entity */
if (dcfg->xml_external_entity == NOT_SET) dcfg->xml_external_entity = 0;
}
/**
*
*/
static const char *add_rule(cmd_parms *cmd, directory_config *dcfg, int type,
const char *p1, const char *p2, const char *p3)
{
char *my_error_msg = NULL;
//msre_rule *rule = NULL, *tmp_rule = NULL;
char *rid = NULL;
msre_rule *rule = NULL;
extern msc_engine *modsecurity;
int type_with_lua = 1;
int type_rule;
int rule_actionset;
int offset = 0;
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, cmd->pool,
"Rule: type=%d p1='%s' p2='%s' p3='%s'", type, p1, p2, p3);
#endif
/* Create a ruleset if one does not exist. */
if ((dcfg->ruleset == NULL)||(dcfg->ruleset == NOT_SET_P)) {
dcfg->ruleset = msre_ruleset_create(modsecurity->msre, cmd->pool);
if (dcfg->ruleset == NULL) return FATAL_ERROR;
}
/* Create the rule now. */
switch(type) {
#if defined(WITH_LUA)
case RULE_TYPE_LUA :
rule = msre_rule_lua_create(dcfg->ruleset, cmd->directive->filename,
cmd->directive->line_num, p1, p2, &my_error_msg);
break;
#endif
default :
rule = msre_rule_create(dcfg->ruleset, type, cmd->directive->filename,
cmd->directive->line_num, p1, p2, p3, &my_error_msg);
break;
}
if (rule == NULL) {
return my_error_msg;
}
#ifndef ALLOW_ID_NOT_UNIQUE
/* Rules must have uniq ID */
type_rule = (dcfg->tmp_chain_starter == NULL);
#if defined(WITH_LUA)
type_rule = (type != RULE_TYPE_LUA && type_rule);
#endif
if (type_rule)
if(rule->actionset == NULL)
return "ModSecurity: Rules must have at least id action";
if(rule->actionset != NULL && (dcfg->tmp_chain_starter == NULL)) {
rule_actionset = (rule->actionset->id == NOT_SET_P);
#if defined(WITH_LUA)
rule_actionset = (rule_actionset && (type != RULE_TYPE_LUA));
#endif
if (rule_actionset)
return "ModSecurity: No action id present within the rule";
#if defined(WITH_LUA)
type_with_lua = (type != RULE_TYPE_LUA);
#endif
if (type_with_lua){
rid = apr_hash_get(dcfg->rule_id_htab, rule->actionset->id, APR_HASH_KEY_STRING);
if(rid != NULL) {
return "ModSecurity: Found another rule with the same id";
} else {
apr_hash_set(dcfg->rule_id_htab, apr_pstrdup(dcfg->mp, rule->actionset->id), APR_HASH_KEY_STRING, apr_pstrdup(dcfg->mp, "1"));
}
//tmp_rule = msre_ruleset_fetch_rule(dcfg->ruleset, rule->actionset->id, offset);
//if(tmp_rule != NULL)
// return "ModSecurity: Found another rule with the same id";
}
}
#endif
/* Create default actionset if one does not already exist. */
if (dcfg->tmp_default_actionset == NULL) {
dcfg->tmp_default_actionset = msre_actionset_create_default(modsecurity->msre);
if (dcfg->tmp_default_actionset == NULL) return FATAL_ERROR;
}
/* Check some cases prior to merging so we know where it came from */
/* Check syntax for chained rules */
if ((rule->actionset != NULL) && (dcfg->tmp_chain_starter != NULL)) {
/* Must NOT specify a disruptive action. */
if (rule->actionset->intercept_action != NOT_SET) {
return apr_psprintf(cmd->pool, "ModSecurity: Disruptive actions can only "
"be specified by chain starter rules.");
}
/* Must NOT specify a skipafter action. */
if (rule->actionset->skip_after != NOT_SET_P) {
return apr_psprintf(cmd->pool, "ModSecurity: SkipAfter actions can only "
"be specified by chain starter rules.");
}
/* Must NOT specify a phase. */
if (rule->actionset->phase != NOT_SET) {
return apr_psprintf(cmd->pool, "ModSecurity: Execution phases can only be "
"specified by chain starter rules.");
}
/* Must NOT use metadata actions. */
/* ENH: loop through to check for tags */
if ((rule->actionset->id != NOT_SET_P)
||(rule->actionset->rev != NOT_SET_P)
||(rule->actionset->msg != NOT_SET_P)
||(rule->actionset->severity != NOT_SET)
||(rule->actionset->version != NOT_SET_P)
||(rule->actionset->accuracy != NOT_SET)
||(rule->actionset->maturity != NOT_SET)
||(rule->actionset->logdata != NOT_SET_P))
{
return apr_psprintf(cmd->pool, "ModSecurity: Metadata actions (id, rev, msg, tag, severity, ver, accuracy, maturity, logdata) "
" can only be specified by chain starter rules.");
}
/* Must NOT use skip. */
if (rule->actionset->skip_count != NOT_SET) {
return apr_psprintf(cmd->pool, "ModSecurity: The skip action can only be used "
" by chain starter rules. ");
}
}
/* Merge actions with the parent.
*
* ENH Probably do not want this done fully for chained rules.
*/
rule->actionset = msre_actionset_merge(modsecurity->msre, cmd->pool, dcfg->tmp_default_actionset,
rule->actionset, 1);
/* Keep track of the parent action for "block" */
rule->actionset->parent_intercept_action_rec = dcfg->tmp_default_actionset->intercept_action_rec;
rule->actionset->parent_intercept_action = dcfg->tmp_default_actionset->intercept_action;
/* Must NOT specify a disruptive action in logging phase. */
if ((rule->actionset != NULL)
&& (rule->actionset->phase == PHASE_LOGGING)
&& (rule->actionset->intercept_action != ACTION_ALLOW)
&& (rule->actionset->intercept_action != ACTION_ALLOW_REQUEST)
&& (rule->actionset->intercept_action != ACTION_NONE)
) {
return apr_psprintf(cmd->pool, "ModSecurity: Disruptive actions "
"cannot be specified in the logging phase.");
}
if (dcfg->tmp_chain_starter != NULL) {
rule->chain_starter = dcfg->tmp_chain_starter;
rule->actionset->phase = rule->chain_starter->actionset->phase;
}
if (rule->actionset->is_chained != 1) {
/* If this rule is part of the chain but does
* not want more rules to follow in the chain
* then cut it (the chain).
*/
dcfg->tmp_chain_starter = NULL;
} else {
/* On the other hand, if this rule wants other
* rules to follow it, then start a new chain
* if there isn't one already.
*/
if (dcfg->tmp_chain_starter == NULL) {
dcfg->tmp_chain_starter = rule;
}
}
/* Create skip table if one does not already exist. */
if (dcfg->tmp_rule_placeholders == NULL) {
dcfg->tmp_rule_placeholders = apr_table_make(cmd->pool, 10);
if (dcfg->tmp_rule_placeholders == NULL) return FATAL_ERROR;
}
/* Keep track of any rule IDs we need to skip after */
if (rule->actionset->skip_after != NOT_SET_P) {
char *tmp_id = apr_pstrdup(cmd->pool, rule->actionset->skip_after);
apr_table_setn(dcfg->tmp_rule_placeholders, tmp_id, tmp_id);
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, cmd->pool,
"Watching for skipafter target rule id=\"%s\".", tmp_id);
#endif
}
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, cmd->pool,
"Adding rule %pp phase=%d id=\"%s\".", rule, rule->actionset->phase, (rule->actionset->id == NOT_SET_P
? "(none)" : rule->actionset->id));
#endif
/* Add rule to the recipe. */
if (msre_ruleset_rule_add(dcfg->ruleset, rule, rule->actionset->phase) < 0) {
return "Internal Error: Failed to add rule to the ruleset.";
}
/* Add an additional placeholder if this rule ID is on the list */
if ((rule->actionset->id != NULL) && apr_table_get(dcfg->tmp_rule_placeholders, rule->actionset->id)) {
msre_rule *phrule = apr_palloc(rule->ruleset->mp, sizeof(msre_rule));
if (phrule == NULL) {
return FATAL_ERROR;
}
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, cmd->pool,
"Adding placeholder %pp for rule %pp id=\"%s\".", phrule, rule, rule->actionset->id);
#endif
/* shallow copy of original rule with placeholder marked as target */
memcpy(phrule, rule, sizeof(msre_rule));
phrule->placeholder = RULE_PH_SKIPAFTER;
/* Add placeholder. */
if (msre_ruleset_rule_add(dcfg->ruleset, phrule, phrule->actionset->phase) < 0) {
return "Internal Error: Failed to add placeholder to the ruleset.";
}
/* No longer need to search for the ID */
apr_table_unset(dcfg->tmp_rule_placeholders, rule->actionset->id);
}
/* Update the unparsed rule */
rule->unparsed = msre_rule_generate_unparsed(dcfg->ruleset->mp, rule, NULL, NULL, NULL);
return NULL;
}
/**
*
*/
static const char *add_marker(cmd_parms *cmd, directory_config *dcfg,
const char *p1, const char *p2, const char *p3)
{
char *my_error_msg = NULL;
msre_rule *rule = NULL;
extern msc_engine *modsecurity;
int p;
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, cmd->pool,
"Rule: type=%d p1='%s' p2='%s' p3='%s'", RULE_TYPE_MARKER, p1, p2, p3);
#endif
/* Create a ruleset if one does not exist. */
if ((dcfg->ruleset == NULL)||(dcfg->ruleset == NOT_SET_P)) {
dcfg->ruleset = msre_ruleset_create(modsecurity->msre, cmd->pool);
if (dcfg->ruleset == NULL) return FATAL_ERROR;
}
/* Create the rule now. */
rule = msre_rule_create(dcfg->ruleset, RULE_TYPE_MARKER, cmd->directive->filename, cmd->directive->line_num, p1, p2, p3, &my_error_msg);
if (rule == NULL) {
return my_error_msg;
}
/* This is a marker */
rule->placeholder = RULE_PH_MARKER;
/* Add placeholder to each phase */
for (p = PHASE_FIRST; p <= PHASE_LAST; p++) {
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, cmd->pool,
"Adding marker %pp phase=%d id=\"%s\".", rule, p, (rule->actionset->id == NOT_SET_P
? "(none)" : rule->actionset->id));
#endif
if (msre_ruleset_rule_add(dcfg->ruleset, rule, p) < 0) {
return "Internal Error: Failed to add marker to the ruleset.";
}
}
/* No longer need to search for the ID */
if (dcfg->tmp_rule_placeholders != NULL) {
apr_table_unset(dcfg->tmp_rule_placeholders, rule->actionset->id);
}
return NULL;
}
/**
*
*/
static const char *update_rule_action(cmd_parms *cmd, directory_config *dcfg,
const char *p1, const char *p2, int offset)
{
char *my_error_msg = NULL;
msre_rule *rule = NULL;
msre_actionset *new_actionset = NULL;
msre_ruleset *ruleset = dcfg->ruleset;
extern msc_engine *modsecurity;
/* Get the ruleset if one exists */
if ((ruleset == NULL)||(ruleset == NOT_SET_P)) {
return NULL;
}
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, cmd->pool,
"Update rule id=\"%s\" with action \"%s\".", p1, p2);
#endif
/* Fetch the rule */
rule = msre_ruleset_fetch_rule(ruleset, p1, offset);
if (rule == NULL) {
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, cmd->pool,
"Update rule id=\"%s\" with action \"%s\" failed: Rule not found.", p1, p2);
#endif
return NULL;
}
/* Check the rule actionset */
/* ENH: Can this happen? */
if (rule->actionset == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Attempt to update action for rule \"%s\" failed: Rule does not have an actionset.", p1);
}
/* Create a new actionset */
new_actionset = msre_actionset_create(modsecurity->msre, cmd->pool, p2, &my_error_msg);
if (new_actionset == NULL) return FATAL_ERROR;
if (my_error_msg != NULL) return my_error_msg;
/* Must NOT change an id */
if ((new_actionset->id != NOT_SET_P) && (rule->actionset->id != NULL) && (strcmp(rule->actionset->id, new_actionset->id) != 0)) {
return apr_psprintf(cmd->pool, "ModSecurity: Rule IDs cannot be updated via SecRuleUpdateActionById.");
}
/* Must NOT alter the phase */
if ((new_actionset->phase != NOT_SET) && (rule->actionset->phase != new_actionset->phase)) {
return apr_psprintf(cmd->pool, "ModSecurity: Rule phases cannot be updated via SecRuleUpdateActionById.");
}
#ifdef DEBUG_CONF
{
char *actions = msre_actionset_generate_action_string(ruleset->mp, rule->actionset);
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, cmd->pool,
"Update rule %pp id=\"%s\" old action: \"%s\"",
rule,
(rule->actionset->id == NOT_SET_P ? "(none)" : rule->actionset->id),
actions);
}
#endif
/* Merge new actions with the rule */
/* ENH: Will this leak the old actionset? */
rule->actionset = msre_actionset_merge(modsecurity->msre, cmd->pool, rule->actionset,
new_actionset, 1);
msre_actionset_set_defaults(rule->actionset);
/* Update the unparsed rule */
rule->unparsed = msre_rule_generate_unparsed(ruleset->mp, rule, NULL, NULL, NULL);
#ifdef DEBUG_CONF
{
char *actions = msre_actionset_generate_action_string(ruleset->mp, rule->actionset);
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, cmd->pool,
"Update rule %pp id=\"%s\" new action: \"%s\"",
rule,
(rule->actionset->id == NOT_SET_P ? "(none)" : rule->actionset->id),
actions);
}
#endif
return NULL;
}
/* -- Configuration directives -- */
static const char *cmd_action(cmd_parms *cmd, void *_dcfg, const char *p1)
{
return add_rule(cmd, (directory_config *)_dcfg, RULE_TYPE_ACTION, SECACTION_TARGETS, SECACTION_ARGS, p1);
}
static const char *cmd_marker(cmd_parms *cmd, void *_dcfg, const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
const char *action = apr_pstrcat(dcfg->mp, SECMARKER_BASE_ACTIONS, p1, NULL);
return add_marker(cmd, (directory_config *)_dcfg, SECMARKER_TARGETS, SECMARKER_ARGS, action);
}
static const char *cmd_cookiev0_separator(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (strlen(p1) != 1) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid cookie v0 separator: %s", p1);
}
dcfg->cookiev0_separator = p1;
return NULL;
}
static const char *cmd_argument_separator(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (strlen(p1) != 1) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid argument separator: %s", p1);
}
dcfg->argument_separator = p1[0];
return NULL;
}
static const char *cmd_audit_engine(cmd_parms *cmd, void *_dcfg, const char *p1)
{
directory_config *dcfg = _dcfg;
if (strcasecmp(p1, "On") == 0) dcfg->auditlog_flag = AUDITLOG_ON;
else
if (strcasecmp(p1, "Off") == 0) dcfg->auditlog_flag = AUDITLOG_OFF;
else
if (strcasecmp(p1, "RelevantOnly") == 0) dcfg->auditlog_flag = AUDITLOG_RELEVANT;
else
return (const char *)apr_psprintf(cmd->pool,
"ModSecurity: Unrecognised parameter value for SecAuditEngine: %s", p1);
return NULL;
}
static const char *cmd_audit_log(cmd_parms *cmd, void *_dcfg, const char *p1)
{
directory_config *dcfg = _dcfg;
dcfg->auditlog_name = (char *)p1;
if (dcfg->auditlog_name[0] == '|') {
const char *pipe_name = dcfg->auditlog_name + 1;
piped_log *pipe_log;
pipe_log = ap_open_piped_log(cmd->pool, pipe_name);
if (pipe_log == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Failed to open the audit log pipe: %s",
pipe_name);
}
dcfg->auditlog_fd = ap_piped_log_write_fd(pipe_log);
}
else {
const char *file_name = ap_server_root_relative(cmd->pool, dcfg->auditlog_name);
apr_status_t rc;
if (dcfg->auditlog_fileperms == NOT_SET) {
dcfg->auditlog_fileperms = CREATEMODE;
}
rc = apr_file_open(&dcfg->auditlog_fd, file_name,
APR_WRITE | APR_APPEND | APR_CREATE | APR_BINARY,
dcfg->auditlog_fileperms, cmd->pool);
if (rc != APR_SUCCESS) {
return apr_psprintf(cmd->pool, "ModSecurity: Failed to open the audit log file: %s",
file_name);
}
}
return NULL;
}
static const char *cmd_audit_log2(cmd_parms *cmd, void *_dcfg, const char *p1)
{
directory_config *dcfg = _dcfg;
if (dcfg->auditlog_name == NOT_SET_P) {
return apr_psprintf(cmd->pool, "ModSecurity: Cannot configure a secondary audit log without a primary defined: %s", p1);
}
dcfg->auditlog2_name = (char *)p1;
if (dcfg->auditlog2_name[0] == '|') {
const char *pipe_name = ap_server_root_relative(cmd->pool, dcfg->auditlog2_name + 1);
piped_log *pipe_log;
pipe_log = ap_open_piped_log(cmd->pool, pipe_name);
if (pipe_log == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Failed to open the secondary audit log pipe: %s",
pipe_name);
}
dcfg->auditlog2_fd = ap_piped_log_write_fd(pipe_log);
}
else {
const char *file_name = ap_server_root_relative(cmd->pool, dcfg->auditlog2_name);
apr_status_t rc;
if (dcfg->auditlog_fileperms == NOT_SET) {
dcfg->auditlog_fileperms = CREATEMODE;
}
rc = apr_file_open(&dcfg->auditlog2_fd, file_name,
APR_WRITE | APR_APPEND | APR_CREATE | APR_BINARY,
dcfg->auditlog_fileperms, cmd->pool);
if (rc != APR_SUCCESS) {
return apr_psprintf(cmd->pool, "ModSecurity: Failed to open the secondary audit log file: %s",
file_name);
}
}
return NULL;
}
static const char *cmd_audit_log_parts(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = _dcfg;
if (is_valid_parts_specification((char *)p1) != 1) {
return apr_psprintf(cmd->pool, "Invalid parts specification for SecAuditLogParts: %s", p1);
}
dcfg->auditlog_parts = (char *)p1;
return NULL;
}
static const char *cmd_audit_log_relevant_status(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = _dcfg;
dcfg->auditlog_relevant_regex = msc_pregcomp(cmd->pool, p1, PCRE_DOTALL, NULL, NULL);
if (dcfg->auditlog_relevant_regex == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid regular expression: %s", p1);
}
return NULL;
}
static const char *cmd_audit_log_type(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = _dcfg;
if (strcasecmp(p1, "Serial") == 0) dcfg->auditlog_type = AUDITLOG_SERIAL;
else
if (strcasecmp(p1, "Concurrent") == 0) dcfg->auditlog_type = AUDITLOG_CONCURRENT;
else
return (const char *)apr_psprintf(cmd->pool,
"ModSecurity: Unrecognised parameter value for SecAuditLogType: %s", p1);
return NULL;
}
#ifdef WITH_YAJL
static const char *cmd_audit_log_mode(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = _dcfg;
if (strcasecmp(p1, "JSON") == 0) dcfg->auditlog_format = AUDITLOGFORMAT_JSON;
else
if (strcasecmp(p1, "Native") == 0) dcfg->auditlog_format = AUDITLOGFORMAT_NATIVE;
else
return (const char *)apr_psprintf(cmd->pool,
"ModSecurity: Unrecognised parameter value for SecAuditLogFormat: %s", p1);
return NULL;
}
#endif
static const char *cmd_audit_log_dirmode(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "default") == 0) {
dcfg->auditlog_dirperms = NOT_SET;
}
else {
long int mode = strtol(p1, NULL, 8); /* expects octal mode */
if ((mode == LONG_MAX)||(mode == LONG_MIN)||(mode <= 0)||(mode > 07777)) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecAuditLogDirMode: %s", p1);
}
dcfg->auditlog_dirperms = mode2fileperms(mode);
}
return NULL;
}
static const char *cmd_audit_log_filemode(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "default") == 0) {
dcfg->auditlog_fileperms = NOT_SET;
}
else {
long int mode = strtol(p1, NULL, 8); /* expects octal mode */
if ((mode == LONG_MAX)||(mode == LONG_MIN)||(mode <= 0)||(mode > 07777)) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecAuditLogFileMode: %s", p1);
}
dcfg->auditlog_fileperms = mode2fileperms(mode);
}
return NULL;
}
static const char *cmd_audit_log_storage_dir(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = _dcfg;
dcfg->auditlog_storage_dir = ap_server_root_relative(cmd->pool, p1);
return NULL;
}
static const char *cmd_cookie_format(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (strcmp(p1, "0") == 0) dcfg->cookie_format = COOKIES_V0;
else
if (strcmp(p1, "1") == 0) dcfg->cookie_format = COOKIES_V1;
else {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid cookie format: %s", p1);
}
return NULL;
}
static const char *cmd_chroot_dir(cmd_parms *cmd, void *_dcfg, const char *p1)
{
char cwd[1025] = "";
if (cmd->server->is_virtual) {
return "ModSecurity: SecChrootDir not allowed in VirtualHost";
}
chroot_dir = (char *)p1;
if (getcwd(cwd, 1024) == NULL) {
return "ModSecurity: Failed to get the current working directory";
}
if (chdir(chroot_dir) < 0) {
return apr_psprintf(cmd->pool, "ModSecurity: Failed to chdir to %s, errno=%d (%s)",
chroot_dir, errno, strerror(errno));
}
if (chdir(cwd) < 0) {
return apr_psprintf(cmd->pool, "ModSecurity: Failed to chdir to %s, errno=%d (%s)",
cwd, errno, strerror(errno));
}
return NULL;
}
/**
* Adds component signature to the list of signatures kept in configuration.
*/
static const char *cmd_component_signature(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
/* ENH Enforce "Name/VersionX.Y.Z (comment)" format. */
*(char **)apr_array_push(dcfg->component_signatures) = (char *)p1;
return NULL;
}
static const char *cmd_content_injection(cmd_parms *cmd, void *_dcfg, int flag)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
dcfg->content_injection_enabled = flag;
return NULL;
}
static const char *cmd_data_dir(cmd_parms *cmd, void *_dcfg, const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (cmd->server->is_virtual) {
return "ModSecurity: SecDataDir not allowed in VirtualHost.";
}
dcfg->data_dir = ap_server_root_relative(cmd->pool, p1);
return NULL;
}
static const char *cmd_debug_log(cmd_parms *cmd, void *_dcfg, const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
apr_status_t rc;
dcfg->debuglog_name = ap_server_root_relative(cmd->pool, p1);
rc = apr_file_open(&dcfg->debuglog_fd, dcfg->debuglog_name,
APR_WRITE | APR_APPEND | APR_CREATE | APR_BINARY,
CREATEMODE, cmd->pool);
if (rc != APR_SUCCESS) {
return apr_psprintf(cmd->pool, "ModSecurity: Failed to open debug log file: %s",
dcfg->debuglog_name);
}
return NULL;
}
/**
* \brief Add SecCollectionTimeout configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
*
* \retval NULL On failure
* \retval apr_psprintf On Success
*/
static const char *cmd_collection_timeout(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
dcfg->col_timeout = atoi(p1);
/* max 30 days */
if ((dcfg->col_timeout >= 0)&&(dcfg->col_timeout <= 2592000)) return NULL;
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecCollectionTimeout: %s", p1);
}
static const char *cmd_debug_log_level(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
dcfg->debuglog_level = atoi(p1);
if ((dcfg->debuglog_level >= 0)&&(dcfg->debuglog_level <= 9)) return NULL;
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecDebugLogLevel: %s", p1);
}
static const char *cmd_default_action(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
extern msc_engine *modsecurity;
char *my_error_msg = NULL;
dcfg->tmp_default_actionset = msre_actionset_create(modsecurity->msre, cmd->pool, p1, &my_error_msg);
if (dcfg->tmp_default_actionset == NULL) {
if (my_error_msg != NULL) return my_error_msg;
else return FATAL_ERROR;
}
/* Must specify a disruptive action. */
/* ENH: Remove this requirement? */
if (dcfg->tmp_default_actionset->intercept_action == NOT_SET) {
return apr_psprintf(cmd->pool, "ModSecurity: SecDefaultAction must specify a disruptive action.");
}
/* Must specify a phase. */
/* ENH: Remove this requirement? */
if (dcfg->tmp_default_actionset->phase == NOT_SET) {
return apr_psprintf(cmd->pool, "ModSecurity: SecDefaultAction must specify a phase.");
}
/* Must not use metadata actions. */
/* ENH: loop through to check for tags */
if ((dcfg->tmp_default_actionset->id != NOT_SET_P)
||(dcfg->tmp_default_actionset->rev != NOT_SET_P)
||(dcfg->tmp_default_actionset->version != NOT_SET_P)
||(dcfg->tmp_default_actionset->maturity != NOT_SET)
||(dcfg->tmp_default_actionset->accuracy != NOT_SET)
||(dcfg->tmp_default_actionset->msg != NOT_SET_P))
{
return apr_psprintf(cmd->pool, "ModSecurity: SecDefaultAction must not "
"contain any metadata actions (id, rev, msg, tag, severity, ver, accuracy, maturity, logdata).");
}
/* These are just a warning for now. */
if ((dcfg->tmp_default_actionset->severity != NOT_SET)
||(dcfg->tmp_default_actionset->logdata != NOT_SET_P))
{
ap_log_perror(APLOG_MARK,
APLOG_STARTUP|APLOG_WARNING|APLOG_NOERRNO, 0, cmd->pool,
"ModSecurity: WARNING Using \"severity\" or \"logdata\" in "
"SecDefaultAction is deprecated (%s:%d).",
cmd->directive->filename, cmd->directive->line_num);
}
if (apr_table_get(dcfg->tmp_default_actionset->actions, "t")) {
ap_log_perror(APLOG_MARK,
APLOG_STARTUP|APLOG_WARNING|APLOG_NOERRNO, 0, cmd->pool,
"ModSecurity: WARNING Using transformations in "
"SecDefaultAction is deprecated (%s:%d).",
cmd->directive->filename, cmd->directive->line_num);
}
/* Must not use chain. */
if (dcfg->tmp_default_actionset->is_chained != NOT_SET) {
return apr_psprintf(cmd->pool, "ModSecurity: SecDefaultAction must not "
"contain a chain action.");
}
/* Must not use skip. */
if (dcfg->tmp_default_actionset->skip_count != NOT_SET) {
return apr_psprintf(cmd->pool, "ModSecurity: SecDefaultAction must not "
"contain a skip action.");
}
/* Must not use skipAfter. */
if (dcfg->tmp_default_actionset->skip_after != NOT_SET_P) {
return apr_psprintf(cmd->pool, "ModSecurity: SecDefaultAction must not "
"contain a skipAfter action.");
}
return NULL;
}
static const char *cmd_disable_backend_compression(cmd_parms *cmd, void *_dcfg, int flag)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
dcfg->disable_backend_compression = flag;
return NULL;
}
static const char *cmd_guardian_log(cmd_parms *cmd, void *_dcfg,
const char *p1, const char *p2)
{
extern char *guardianlog_name;
extern apr_file_t *guardianlog_fd;
extern char *guardianlog_condition;
if (cmd->server->is_virtual) {
return "ModSecurity: SecGuardianLog not allowed in VirtualHost";
}
if (p2 != NULL) {
if (strncmp(p2, "env=", 4) != 0) {
return "ModSecurity: Error in condition clause";
}
if ( (p2[4] == '\0') || ((p2[4] == '!')&&(p2[5] == '\0')) ) {
return "ModSecurity: Missing variable name";
}
guardianlog_condition = apr_pstrdup(cmd->pool, p2 + 4);
}
guardianlog_name = (char *)p1;
if (guardianlog_name[0] == '|') {
const char *pipe_name = ap_server_root_relative(cmd->pool, guardianlog_name + 1);
piped_log *pipe_log;
pipe_log = ap_open_piped_log(cmd->pool, pipe_name);
if (pipe_log == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Failed to open the guardian log pipe: %s",
pipe_name);
}
guardianlog_fd = ap_piped_log_write_fd(pipe_log);
}
else {
const char *file_name = ap_server_root_relative(cmd->pool, guardianlog_name);
apr_status_t rc;
rc = apr_file_open(&guardianlog_fd, file_name,
APR_WRITE | APR_APPEND | APR_CREATE | APR_BINARY,
CREATEMODE, cmd->pool);
if (rc != APR_SUCCESS) {
return apr_psprintf(cmd->pool, "ModSecurity: Failed to open the guardian log file: %s",
file_name);
}
}
return NULL;
}
/**
* \brief Add SecStreamInBodyInspection configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
*
* \retval NULL On failure
* \retval apr_psprintf On Success
*/
static const char *cmd_stream_inbody_inspection(cmd_parms *cmd, void *_dcfg, int flag)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
dcfg->stream_inbody_inspection = flag;
return NULL;
}
/**
* \brief Add SecStreamOutBodyInspection configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
*
* \retval NULL On failure
* \retval apr_psprintf On Success
*/
static const char *cmd_stream_outbody_inspection(cmd_parms *cmd, void *_dcfg, int flag)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
dcfg->stream_outbody_inspection = flag;
return NULL;
}
/**
* \brief Add SecRulePerfTime configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
*
* \retval NULL On failure
* \retval apr_psprintf On Success
*/
static const char *cmd_rule_perf_time(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
long int limit;
if (dcfg == NULL) return NULL;
limit = strtol(p1, NULL, 10);
if ((limit == LONG_MAX)||(limit == LONG_MIN)||(limit <= 0)) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecRulePerfTime: %s", p1);
}
dcfg->max_rule_time = limit;
return NULL;
}
char *parser_conn_limits_operator(apr_pool_t *mp, const char *p2,
TreeRoot **whitelist, TreeRoot **suspicious_list,
const char *filename)
{
int res = 0;
char *config_orig_path;
char *param = strchr(p2, ' ');
char *file = NULL;
char *error_msg = NULL;
param++;
config_orig_path = apr_pstrndup(mp, filename,
strlen(filename) - strlen(apr_filepath_name_get(filename)));
apr_filepath_merge(&file, config_orig_path, param, APR_FILEPATH_TRUENAME,
mp);
if ((strncasecmp(p2, "!@ipMatchFromFile", strlen("!@ipMatchFromFile")) == 0) ||
(strncasecmp(p2, "!@ipMatchF", strlen("!@ipMatchF")) == 0)) {
res = ip_tree_from_file(whitelist, file, mp, &error_msg);
}
else if (strncasecmp(p2, "!@ipMatch", strlen("!@ipMatch")) == 0) {
res = ip_tree_from_param(mp, param, whitelist, &error_msg);
}
else if ((strncasecmp(p2, "@ipMatchFromFile", strlen("@ipMatchFromFile")) == 0) ||
(strncasecmp(p2, "@ipMatchF", strlen("@ipMatchF")) == 0)) {
res = ip_tree_from_file(suspicious_list, file, mp, &error_msg);
}
else if (strncasecmp(p2, "@ipMatch", strlen("@ipMatch")) == 0) {
res = ip_tree_from_param(mp, param, suspicious_list, &error_msg);
}
else {
return apr_psprintf(mp, "ModSecurity: Invalid operator for " \
"SecConnReadStateLimit: %s, expected operators: @ipMatch, @ipMatchF " \
"or @ipMatchFromFile with or without !", p2);
}
if (res) {
char *error;
error = apr_psprintf(mp, "ModSecurity: failed to load IPs " \
"from: %s", param);
if (*error_msg) {
error = apr_psprintf(mp, "%s %s", error, error_msg);
}
return error;
}
return NULL;
}
/**
* \brief Add SecConnReadStateLimit configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
* \param p2 Pointer to configuration option
*
* \retval NULL On failure
* \retval apr_psprintf On Success
*/
static const char *cmd_conn_read_state_limit(cmd_parms *cmd, void *_dcfg,
const char *p1, const char *p2)
{
directory_config *dcfg = (directory_config *)_dcfg;
long int limit;
if (dcfg == NULL) return NULL;
limit = strtol(p1, NULL, 10);
if ((limit == LONG_MAX) || (limit == LONG_MIN) || (limit <= 0)) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for " \
"SecConnReadStateLimit: %s", p1);
}
if (p2 != NULL) {
char *param = parser_conn_limits_operator(cmd->pool, p2,
&conn_read_state_whitelist, &conn_read_state_suspicious_list,
cmd->directive->filename);
if (param)
return param;
}
conn_read_state_limit = limit;
return NULL;
}
static const char *cmd_read_state_limit(cmd_parms *cmd, void *_dcfg,
const char *p1, const char *p2)
{
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, cmd->pool,
"SecReadStateLimit is depricated, use SecConnReadStateLimit " \
"instead.");
return cmd_conn_read_state_limit(cmd, _dcfg, p1, p2);
}
/**
* \brief Add SecConnWriteStateLimit configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
* \param p2 Pointer to configuration option
*
* \retval NULL On failure
* \retval apr_psprintf On Success
*/
static const char *cmd_conn_write_state_limit(cmd_parms *cmd, void *_dcfg,
const char *p1, const char *p2)
{
directory_config *dcfg = (directory_config *)_dcfg;
long int limit;
if (dcfg == NULL) return NULL;
limit = strtol(p1, NULL, 10);
if ((limit == LONG_MAX) || (limit == LONG_MIN) || (limit <= 0)) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for " \
"SecConnWriteStateLimit: %s", p1);
}
if (p2 != NULL) {
char *param = parser_conn_limits_operator(cmd->pool, p2,
&conn_write_state_whitelist, &conn_write_state_suspicious_list,
cmd->directive->filename);
if (param)
return param;
}
conn_write_state_limit = limit;
return NULL;
}
static const char *cmd_write_state_limit(cmd_parms *cmd, void *_dcfg,
const char *p1, const char *p2)
{
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, cmd->pool,
"SecWriteStateLimit is depricated, use SecConnWriteStateLimit " \
"instead.");
return cmd_conn_write_state_limit(cmd, _dcfg, p1, p2);
}
static const char *cmd_request_body_inmemory_limit(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
long int limit;
if (dcfg == NULL) return NULL;
limit = strtol(p1, NULL, 10);
if ((limit == LONG_MAX)||(limit == LONG_MIN)||(limit <= 0)) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecRequestBodyInMemoryLimit: %s", p1);
}
dcfg->reqbody_inmemory_limit = limit;
return NULL;
}
static const char *cmd_request_body_limit(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
long int limit;
if (dcfg == NULL) return NULL;
limit = strtol(p1, NULL, 10);
if ((limit == LONG_MAX)||(limit == LONG_MIN)||(limit <= 0)) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecRequestBodyLimit: %s", p1);
}
dcfg->reqbody_limit = limit;
return NULL;
}
static const char *cmd_request_body_no_files_limit(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
long int limit;
if (dcfg == NULL) return NULL;
limit = strtol(p1, NULL, 10);
if ((limit == LONG_MAX)||(limit == LONG_MIN)||(limit <= 0)) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecRequestBodyNoFilesLimit: %s", p1);
}
dcfg->reqbody_no_files_limit = limit;
return NULL;
}
static const char *cmd_request_body_access(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "on") == 0) dcfg->reqbody_access = 1;
else
if (strcasecmp(p1, "off") == 0) dcfg->reqbody_access = 0;
else
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecRequestBodyAccess: %s", p1);
return NULL;
}
/**
* \brief Add SecInterceptOnError configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
*
* \retval NULL On failure
* \retval apr_psprintf On success
*/
static const char *cmd_request_intercept_on_error(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "on") == 0) dcfg->reqintercept_oe = 1;
else
if (strcasecmp(p1, "off") == 0) dcfg->reqintercept_oe = 0;
else
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecInterceptOnError: %s", p1);
return NULL;
}
static const char *cmd_request_encoding(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
/* ENH Validate encoding */
dcfg->request_encoding = p1;
return NULL;
}
static const char *cmd_response_body_access(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "on") == 0) dcfg->resbody_access = 1;
else
if (strcasecmp(p1, "off") == 0) dcfg->resbody_access = 0;
else
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecResponseBodyAccess: %s", p1);
return NULL;
}
static const char *cmd_response_body_limit(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
long int limit;
limit = strtol(p1, NULL, 10);
if ((limit == LONG_MAX)||(limit == LONG_MIN)||(limit <= 0)) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecResponseBodyLimit: %s", p1);
}
if (limit > RESPONSE_BODY_HARD_LIMIT) {
return apr_psprintf(cmd->pool, "ModSecurity: Response size limit can not exceed the hard limit: %li", RESPONSE_BODY_HARD_LIMIT);
}
dcfg->of_limit = limit;
return NULL;
}
static const char *cmd_response_body_limit_action(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (dcfg->is_enabled == MODSEC_DETECTION_ONLY) {
dcfg->of_limit_action = RESPONSE_BODY_LIMIT_ACTION_PARTIAL;
return NULL;
}
if (strcasecmp(p1, "ProcessPartial") == 0) dcfg->of_limit_action = RESPONSE_BODY_LIMIT_ACTION_PARTIAL;
else
if (strcasecmp(p1, "Reject") == 0) dcfg->of_limit_action = RESPONSE_BODY_LIMIT_ACTION_REJECT;
else
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecResponseBodyLimitAction: %s", p1);
return NULL;
}
/**
* \brief Add SecRequestBodyLimitAction configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
*
* \retval NULL On failure
* \retval apr_psprintf On success
*/
static const char *cmd_resquest_body_limit_action(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (dcfg->is_enabled == MODSEC_DETECTION_ONLY) {
dcfg->if_limit_action = REQUEST_BODY_LIMIT_ACTION_PARTIAL;
return NULL;
}
if (strcasecmp(p1, "ProcessPartial") == 0) dcfg->if_limit_action = REQUEST_BODY_LIMIT_ACTION_PARTIAL;
else
if (strcasecmp(p1, "Reject") == 0) dcfg->if_limit_action = REQUEST_BODY_LIMIT_ACTION_REJECT;
else
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecRequestBodyLimitAction: %s", p1);
return NULL;
}
static const char *cmd_response_body_mime_type(cmd_parms *cmd, void *_dcfg,
const char *_p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
char *p1 = apr_pstrdup(cmd->pool, _p1);
/* TODO check whether the parameter is a valid MIME type of "???" */
if ((dcfg->of_mime_types == NULL)||(dcfg->of_mime_types == NOT_SET_P)) {
dcfg->of_mime_types = apr_table_make(cmd->pool, 10);
}
strtolower_inplace((unsigned char *)p1);
apr_table_setn(dcfg->of_mime_types, p1, "1");
return NULL;
}
static const char *cmd_response_body_mime_types_clear(cmd_parms *cmd,
void *_dcfg)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
dcfg->of_mime_types_cleared = 1;
if ((dcfg->of_mime_types != NULL)&&(dcfg->of_mime_types != NOT_SET_P)) {
apr_table_clear(dcfg->of_mime_types);
}
return NULL;
}
/**
* \brief Add SecRuleUpdateTargetById
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
* \param p2 Pointer to configuration option
* \param p3 Pointer to configuration option
*
* \retval NULL On failure|Success
*/
static const char *cmd_rule_update_target_by_id(cmd_parms *cmd, void *_dcfg,
const char *p1, const char *p2, const char *p3)
{
directory_config *dcfg = (directory_config *)_dcfg;
rule_exception *re = apr_pcalloc(cmd->pool, sizeof(rule_exception));
if (dcfg == NULL) return NULL;
if(p1 == NULL) {
return apr_psprintf(cmd->pool, "Updating target by ID with no ID");
}
re->type = RULE_EXCEPTION_REMOVE_ID;
/* TODO: Validate the range here, while we can still tell the user if it's invalid */
re->param = p1;
if(dcfg->ruleset == NULL) {
return apr_psprintf(cmd->pool, "Updating target by ID with no ruleset in this context");
}
return msre_ruleset_rule_update_target_matching_exception(NULL, dcfg->ruleset, re, p2, p3);
}
/**
* \brief Add SecRuleUpdateTargetByTag configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option RULETAG
* \param p2 Pointer to configuration option TARGET
* \param p3 Pointer to configuration option REPLACED_TARGET
* \todo Finish documenting
*
* \retval NULL On success
* \retval apr_psprintf On failure
*
* \todo Figure out error checking
*/
static const char *cmd_rule_update_target_by_tag(cmd_parms *cmd, void *_dcfg,
const char *p1, const char *p2, const char *p3)
{
directory_config *dcfg = (directory_config *)_dcfg;
rule_exception *re = apr_pcalloc(cmd->pool, sizeof(rule_exception));
if (dcfg == NULL) return NULL;
if(p1 == NULL) {
return apr_psprintf(cmd->pool, "Updating target by tag with no tag");
}
re->type = RULE_EXCEPTION_REMOVE_TAG;
re->param = p1;
re->param_data = msc_pregcomp(cmd->pool, p1, 0, NULL, NULL);
if (re->param_data == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid regular expression: %s", p1);
}
return msre_ruleset_rule_update_target_matching_exception(NULL, dcfg->ruleset, re, p2, p3);
}
/**
* \brief Add SecRuleUpdateTargetByMsg configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option RULEMSG
* \param p2 Pointer to configuration option TARGET
* \param p3 Pointer to configuration option REPLACED_TARGET
* \todo Finish documenting
*
* \retval NULL On success
* \retval apr_psprintf On failure
*
* \todo Figure out error checking
*/
static const char *cmd_rule_update_target_by_msg(cmd_parms *cmd, void *_dcfg,
const char *p1, const char *p2, const char *p3)
{
directory_config *dcfg = (directory_config *)_dcfg;
rule_exception *re = apr_pcalloc(cmd->pool, sizeof(rule_exception));
if (dcfg == NULL) return NULL;
if(p1 == NULL) {
return apr_psprintf(cmd->pool, "Updating target by message with no message");
}
re->type = RULE_EXCEPTION_REMOVE_MSG;
re->param = p1;
re->param_data = msc_pregcomp(cmd->pool, p1, 0, NULL, NULL);
if (re->param_data == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid regular expression: %s", p1);
}
return msre_ruleset_rule_update_target_matching_exception(NULL, dcfg->ruleset, re, p2, p3);
}
static const char *cmd_rule(cmd_parms *cmd, void *_dcfg,
const char *p1, const char *p2, const char *p3)
{
return add_rule(cmd, (directory_config *)_dcfg, RULE_TYPE_NORMAL, p1, p2, p3);
}
static const char *cmd_sever_conn_filters_engine(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "on") == 0)
{
conn_limits_filter_state = MODSEC_ENABLED;
}
else if (strcasecmp(p1, "off") == 0)
{
conn_limits_filter_state = MODSEC_DISABLED;
}
else if (strcasecmp(p1, "detectiononly") == 0)
{
conn_limits_filter_state = MODSEC_DETECTION_ONLY;
}
else
{
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for " \
"SecConnEngine: %s", p1);
}
return NULL;
}
static const char *cmd_rule_engine(cmd_parms *cmd, void *_dcfg, const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "on") == 0)
{
dcfg->is_enabled = MODSEC_ENABLED;
}
else if (strcasecmp(p1, "off") == 0)
{
dcfg->is_enabled = MODSEC_DISABLED;
}
else if (strcasecmp(p1, "detectiononly") == 0)
{
dcfg->is_enabled = MODSEC_DETECTION_ONLY;
dcfg->of_limit_action = RESPONSE_BODY_LIMIT_ACTION_PARTIAL;
dcfg->if_limit_action = REQUEST_BODY_LIMIT_ACTION_PARTIAL;
}
else
{
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for " \
"SecRuleEngine: %s", p1);
}
return NULL;
}
static const char *cmd_remote_rules_fail(cmd_parms *cmd, void *_dcfg, const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strncasecmp(p1, "warn", 4) == 0)
{
remote_rules_fail_action = REMOTE_RULES_WARN_ON_FAIL;
}
else if (strncasecmp(p1, "abort", 5) == 0)
{
remote_rules_fail_action = REMOTE_RULES_ABORT_ON_FAIL;
}
else
{
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for " \
"SecRemoteRulesFailAction, expected: Abort or Warn.");
}
return NULL;
}
static const char *cmd_remote_rules(cmd_parms *cmd, void *_dcfg, const char *p1,
const char *p2, const char *p3)
{
char *error_msg = NULL;
directory_config *dcfg = (directory_config *)_dcfg;
#ifdef WITH_REMOTE_RULES
int crypto = 0;
const char *uri = p2;
const char *key = p1;
#endif
if (dcfg == NULL) return NULL;
#ifdef WITH_REMOTE_RULES
if (strncasecmp(p1, "crypto", 6) == 0)
{
#ifdef WITH_APU_CRYPTO
uri = p3;
key = p2;
crypto = 1;
#else
return apr_psprintf(cmd->pool, "ModSecurity: SecRemoteRule using " \
"`crypto' but ModSecurity was not compiled with crypto " \
"support.");
#endif
}
if (uri == NULL || key == NULL)
{
return apr_psprintf(cmd->pool, "ModSecurity: Use SecRemoteRule with " \
"Key and URI");
}
if (strncasecmp(uri, "https", 5) != 0) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid URI:" \
" '%s'. Expected HTTPS.", uri);
}
// FIXME: Should we handle more then one server at once?
if (remote_rules_server != NULL)
{
return apr_psprintf(cmd->pool, "ModSecurity: " \
"SecRemoteRules cannot be used more than once.");
}
remote_rules_server = apr_pcalloc(cmd->pool, sizeof(msc_remote_rules_server));
if (remote_rules_server == NULL)
{
return apr_psprintf(cmd->pool, "ModSecurity: " \
"SecRemoteRules: Internal failure. Not enougth memory.");
}
remote_rules_server->context = dcfg;
remote_rules_server->context_label = apr_pstrdup(cmd->pool, "Unkwon context");
remote_rules_server->key = key;
remote_rules_server->uri = uri;
remote_rules_server->amount_of_rules = 0;
remote_rules_server->crypto = crypto;
msc_remote_add_rules_from_uri(cmd, remote_rules_server, &error_msg);
if (error_msg != NULL)
{
return error_msg;
}
#else
return apr_psprintf(cmd->pool, "ModSecurity: SecRemoteRules: " \
"ModSecurity was not compiled with SecRemoteRules support.");
#endif
return NULL;
}
static const char *cmd_status_engine(cmd_parms *cmd, void *_dcfg, const char *p1)
{
if (strcasecmp(p1, "on") == 0) {
status_engine_state = STATUS_ENGINE_ENABLED;
}
else if (strcasecmp(p1, "off") == 0) {
status_engine_state = STATUS_ENGINE_DISABLED;
}
else {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for " \
"SecStatusEngine: %s", p1);
}
return NULL;
}
static const char *cmd_rule_inheritance(cmd_parms *cmd, void *_dcfg, int flag)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
dcfg->rule_inheritance = flag;
return NULL;
}
static const char *cmd_rule_script(cmd_parms *cmd, void *_dcfg,
const char *p1, const char *p2)
{
#if defined(WITH_LUA)
const char *filename = resolve_relative_path(cmd->pool, cmd->directive->filename, p1);
return add_rule(cmd, (directory_config *)_dcfg, RULE_TYPE_LUA, filename, p2, NULL);
#else
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, cmd->pool, "Ignoring SecRuleScript \"%s\" directive (%s:%d): No Lua scripting support.", p1, cmd->directive->filename, cmd->directive->line_num);
return NULL;
#endif
}
static const char *cmd_rule_remove_by_id(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
rule_exception *re = apr_pcalloc(cmd->pool, sizeof(rule_exception));
if (dcfg == NULL) return NULL;
re->type = RULE_EXCEPTION_REMOVE_ID;
re->param = p1;
*(rule_exception **)apr_array_push(dcfg->rule_exceptions) = re;
/* Remove the corresponding rules from the context straight away. */
msre_ruleset_rule_remove_with_exception(dcfg->ruleset, re);
return NULL;
}
/**
* \brief Add SecRuleRemoveByTag configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
*
* \retval NULL On failure
* \retval apr_psprintf On success
*/
static const char *cmd_rule_remove_by_tag(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
rule_exception *re = apr_pcalloc(cmd->pool, sizeof(rule_exception));
if (dcfg == NULL) return NULL;
re->type = RULE_EXCEPTION_REMOVE_TAG;
re->param = p1;
re->param_data = msc_pregcomp(cmd->pool, p1, 0, NULL, NULL);
if (re->param_data == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid regular expression: %s", p1);
}
*(rule_exception **)apr_array_push(dcfg->rule_exceptions) = re;
/* Remove the corresponding rules from the context straight away. */
msre_ruleset_rule_remove_with_exception(dcfg->ruleset, re);
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, cmd->pool, "Added exception %pp (%d %s) to dcfg %pp.", re, re->type, re->param, dcfg);
#endif
return NULL;
}
static const char *cmd_rule_remove_by_msg(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
rule_exception *re = apr_pcalloc(cmd->pool, sizeof(rule_exception));
if (dcfg == NULL) return NULL;
re->type = RULE_EXCEPTION_REMOVE_MSG;
re->param = p1;
re->param_data = msc_pregcomp(cmd->pool, p1, 0, NULL, NULL);
if (re->param_data == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid regular expression: %s", p1);
}
*(rule_exception **)apr_array_push(dcfg->rule_exceptions) = re;
/* Remove the corresponding rules from the context straight away. */
msre_ruleset_rule_remove_with_exception(dcfg->ruleset, re);
#ifdef DEBUG_CONF
ap_log_perror(APLOG_MARK, APLOG_STARTUP|APLOG_NOERRNO, 0, cmd->pool, "Added exception %pp (%d %s) to dcfg %pp.", re, re->type, re->param, dcfg);
#endif
return NULL;
}
static const char *cmd_rule_update_action_by_id(cmd_parms *cmd, void *_dcfg,
const char *p1, const char *p2)
{
int offset = 0, rule_id = atoi(p1);
char *opt = strchr(p1,':');
char *savedptr = NULL;
char *param = apr_pstrdup(cmd->pool, p1);
if ((rule_id == LONG_MAX)||(rule_id == LONG_MIN)||(rule_id <= 0)) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for ID for update action: %s", p1);
}
if(opt != NULL) {
opt++;
offset = atoi(opt);
opt = apr_strtok(param,":", &savedptr);
return update_rule_action(cmd, (directory_config *)_dcfg, (const char *)opt, p2, offset);
}
return update_rule_action(cmd, (directory_config *)_dcfg, p1, p2, offset);
}
static const char *cmd_server_signature(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
if (cmd->server->is_virtual) {
return "ModSecurity: SecServerSignature not allowed in VirtualHost";
}
new_server_signature = (char *)p1;
return NULL;
}
static const char *cmd_tmp_dir(cmd_parms *cmd, void *_dcfg, const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "none") == 0) dcfg->tmp_dir = NULL;
else dcfg->tmp_dir = ap_server_root_relative(cmd->pool, p1);
return NULL;
}
static const char *cmd_upload_dir(cmd_parms *cmd, void *_dcfg, const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "none") == 0) dcfg->upload_dir = NULL;
else dcfg->upload_dir = ap_server_root_relative(cmd->pool, p1);
return NULL;
}
static const char *cmd_upload_file_limit(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "default") == 0) {
dcfg->upload_file_limit = NOT_SET;
}
else {
dcfg->upload_file_limit = atoi(p1);
}
return NULL;
}
static const char *cmd_upload_filemode(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "default") == 0) {
dcfg->upload_filemode = NOT_SET;
}
else {
long int mode = strtol(p1, NULL, 8); /* expects octal mode */
if ((mode == LONG_MAX)||(mode == LONG_MIN)||(mode <= 0)||(mode > 07777)) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecUploadFileMode: %s", p1);
}
dcfg->upload_filemode = (int)mode;
}
return NULL;
}
static const char *cmd_upload_keep_files(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "on") == 0) {
dcfg->upload_keep_files = KEEP_FILES_ON;
} else
if (strcasecmp(p1, "off") == 0) {
dcfg->upload_keep_files = KEEP_FILES_OFF;
} else
if (strcasecmp(p1, "relevantonly") == 0) {
dcfg->upload_keep_files = KEEP_FILES_RELEVANT_ONLY;
} else {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid setting for SecUploadKeepFiles: %s",
p1);
}
return NULL;
}
static const char *cmd_upload_save_tmp_files(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "on") == 0)
{
dcfg->upload_validates_files = 1;
}
else if (strcasecmp(p1, "off") == 0)
{
dcfg->upload_validates_files = 0;
}
else
{
return apr_psprintf(cmd->pool, "ModSecurity: Invalid setting for SecTmpSaveUploadedFiles: %s",
p1);
}
return NULL;
}
static const char *cmd_web_app_id(cmd_parms *cmd, void *_dcfg, const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
/* ENH enforce format (letters, digits, ., _, -) */
dcfg->webappid = p1;
return NULL;
}
static const char *cmd_sensor_id(cmd_parms *cmd, void *_dcfg, const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
/* ENH enforce format (letters, digits, ., _, -) */
dcfg->sensor_id = p1;
return NULL;
}
/**
* \brief Add SecXmlExternalEntity configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
*
* \retval NULL On failure
* \retval apr_psprintf On Success
*/
static const char *cmd_xml_external_entity(cmd_parms *cmd, void *_dcfg, const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "on") == 0) {
dcfg->xml_external_entity = 1;
}
else if (strcasecmp(p1, "off") == 0) {
dcfg->xml_external_entity = 0;
}
else return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecXmlExternalEntity: %s", p1);
return NULL;
}
/**
* \brief Add SecHashEngine configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
*
* \retval NULL On failure
* \retval apr_psprintf On Success
*/
static const char *cmd_hash_engine(cmd_parms *cmd, void *_dcfg, const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "on") == 0) {
dcfg->hash_is_enabled = HASH_ENABLED;
dcfg->hash_enforcement = HASH_ENABLED;
}
else if (strcasecmp(p1, "off") == 0) {
dcfg->hash_is_enabled = HASH_DISABLED;
dcfg->hash_enforcement = HASH_DISABLED;
}
else return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecHashEngine: %s", p1);
return NULL;
}
/**
* \brief Add SecHashPram configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
*
* \retval NULL On success
*/
static const char *cmd_hash_param(cmd_parms *cmd, void *_dcfg, const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (p1 == NULL) return NULL;
dcfg->crypto_param_name = p1;
return NULL;
}
/**
* \brief Add SecHashKey configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param _p1 Pointer to configuration option
* \param _p2 Pointer to configuration option
*
* \retval NULL On success
*/
static const char *cmd_hash_key(cmd_parms *cmd, void *_dcfg, const char *_p1, const char *_p2)
{
directory_config *dcfg = (directory_config *)_dcfg;
char *p1 = NULL;
if (dcfg == NULL) return NULL;
if (_p1 == NULL) return NULL;
if (strcasecmp(_p1, "Rand") == 0) {
p1 = apr_pstrdup(cmd->pool, getkey(cmd->pool));
dcfg->crypto_key = p1;
dcfg->crypto_key_len = strlen(dcfg->crypto_key);
} else {
p1 = apr_pstrdup(cmd->pool, _p1);
dcfg->crypto_key = p1;
dcfg->crypto_key_len = strlen(p1);
}
if(_p2 == NULL) {
return NULL;
} else {
if (strcasecmp(_p2, "KeyOnly") == 0)
dcfg->crypto_key_add = HASH_KEYONLY;
else if (strcasecmp(_p2, "SessionID") == 0)
dcfg->crypto_key_add = HASH_SESSIONID;
else if (strcasecmp(_p2, "RemoteIP") == 0)
dcfg->crypto_key_add = HASH_REMOTEIP;
}
return NULL;
}
/**
* \brief Add SecHashMethodPm configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
* \param p2 Pointer to configuration option
*
* \retval NULL On failure
* \retval apr_psprintf On Success
*/
static const char *cmd_hash_method_pm(cmd_parms *cmd, void *_dcfg,
const char *p1, const char *p2)
{
directory_config *dcfg = (directory_config *)_dcfg;
rule_exception *re = apr_pcalloc(cmd->pool, sizeof(hash_method));
const char *_p2 = apr_pstrdup(cmd->pool, p2);
ACMP *p = NULL;
const char *phrase = NULL;
const char *next = NULL;
if (dcfg == NULL) return NULL;
p = acmp_create(0, cmd->pool);
if (p == NULL) return NULL;
if(phrase == NULL)
phrase = apr_pstrdup(cmd->pool, _p2);
for (;;) {
while((apr_isspace(*phrase) != 0) && (*phrase != '\0')) phrase++;
if (*phrase == '\0') break;
next = phrase;
while((apr_isspace(*next) == 0) && (*next != 0)) next++;
acmp_add_pattern(p, phrase, NULL, NULL, next - phrase);
phrase = next;
}
acmp_prepare(p);
if (strcasecmp(p1, "HashHref") == 0) {
re->type = HASH_URL_HREF_HASH_PM;
re->param = _p2;
re->param_data = (void *)p;
if (re->param_data == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid pattern: %s", p2);
}
dcfg->crypto_hash_href_pm = 1;
}
else if (strcasecmp(p1, "HashFormAction") == 0) {
re->type = HASH_URL_FACTION_HASH_PM;
re->param = _p2;
re->param_data = (void *)p;
if (re->param_data == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid pattern: %s", p2);
}
dcfg->crypto_hash_faction_pm = 1;
}
else if (strcasecmp(p1, "HashLocation") == 0) {
re->type = HASH_URL_LOCATION_HASH_PM;
re->param = _p2;
re->param_data = (void *)p;
if (re->param_data == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid pattern: %s", p2);
}
dcfg->crypto_hash_location_pm = 1;
}
else if (strcasecmp(p1, "HashIframeSrc") == 0) {
re->type = HASH_URL_IFRAMESRC_HASH_PM;
re->param = _p2;
re->param_data = (void *)p;
if (re->param_data == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid pattern: %s", p2);
}
dcfg->crypto_hash_iframesrc_pm = 1;
}
else if (strcasecmp(p1, "HashFrameSrc") == 0) {
re->type = HASH_URL_FRAMESRC_HASH_PM;
re->param = _p2;
re->param_data = (void *)p;
if (re->param_data == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid pattern: %s", p2);
}
dcfg->crypto_hash_framesrc_pm = 1;
}
*(hash_method **)apr_array_push(dcfg->hash_method) = re;
return NULL;
}
/**
* \brief Add SecHashMethodRx configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
* \param p2 Pointer to configuration option
*
* \retval NULL On failure
* \retval apr_psprintf On Success
*/
static const char *cmd_hash_method_rx(cmd_parms *cmd, void *_dcfg,
const char *p1, const char *p2)
{
directory_config *dcfg = (directory_config *)_dcfg;
rule_exception *re = apr_pcalloc(cmd->pool, sizeof(hash_method));
const char *_p2 = apr_pstrdup(cmd->pool, p2);
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "HashHref") == 0) {
re->type = HASH_URL_HREF_HASH_RX;
re->param = _p2;
re->param_data = msc_pregcomp(cmd->pool, p2, 0, NULL, NULL);
if (re->param_data == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid regular expression: %s", p2);
}
dcfg->crypto_hash_href_rx = 1;
}
else if (strcasecmp(p1, "HashFormAction") == 0) {
re->type = HASH_URL_FACTION_HASH_RX;
re->param = _p2;
re->param_data = msc_pregcomp(cmd->pool, p2, 0, NULL, NULL);
if (re->param_data == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid regular expression: %s", p2);
}
dcfg->crypto_hash_faction_rx = 1;
}
else if (strcasecmp(p1, "HashLocation") == 0) {
re->type = HASH_URL_LOCATION_HASH_RX;
re->param = _p2;
re->param_data = msc_pregcomp(cmd->pool, p2, 0, NULL, NULL);
if (re->param_data == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid regular expression: %s", p2);
}
dcfg->crypto_hash_location_rx = 1;
}
else if (strcasecmp(p1, "HashIframeSrc") == 0) {
re->type = HASH_URL_IFRAMESRC_HASH_RX;
re->param = _p2;
re->param_data = msc_pregcomp(cmd->pool, p2, 0, NULL, NULL);
if (re->param_data == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid regular expression: %s", p2);
}
dcfg->crypto_hash_iframesrc_rx = 1;
}
else if (strcasecmp(p1, "HashFrameSrc") == 0) {
re->type = HASH_URL_FRAMESRC_HASH_RX;
re->param = _p2;
re->param_data = msc_pregcomp(cmd->pool, p2, 0, NULL, NULL);
if (re->param_data == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid regular expression: %s", p2);
}
dcfg->crypto_hash_framesrc_rx = 1;
}
*(hash_method **)apr_array_push(dcfg->hash_method) = re;
return NULL;
}
/**
* \brief Add SecHttpBlKey configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
*
* \retval NULL On success
*/
static const char *cmd_httpBl_key(cmd_parms *cmd, void *_dcfg, const char *p1)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (p1 == NULL) return NULL;
dcfg->httpBlkey = p1;
return NULL;
}
/* PCRE Limits */
static const char *cmd_pcre_match_limit(cmd_parms *cmd,
void *_dcfg, const char *p1)
{
long val;
if (cmd->server->is_virtual) {
return "ModSecurity: SecPcreMatchLimit not allowed in VirtualHost";
}
val = atol(p1);
if (val <= 0) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid setting for "
"SecPcreMatchLimit: %s", p1);
}
msc_pcre_match_limit = (unsigned long int)val;
return NULL;
}
static const char *cmd_pcre_match_limit_recursion(cmd_parms *cmd,
void *_dcfg, const char *p1)
{
long val;
if (cmd->server->is_virtual) {
return "ModSecurity: SecPcreMatchLimitRecursion not allowed in VirtualHost";
}
val = atol(p1);
if (val <= 0) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid setting for "
"SecPcreMatchLimitRecursion: %s", p1);
}
msc_pcre_match_limit_recursion = (unsigned long int)val;
return NULL;
}
/* -- Geo Lookup configuration -- */
static const char *cmd_geo_lookup_db(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
const char *filename = resolve_relative_path(cmd->pool, cmd->directive->filename, p1);
char *error_msg;
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (geo_init(dcfg, filename, &error_msg) <= 0) {
return error_msg;
}
return NULL;
}
/**
* \brief Add SecUnicodeCodePage configuration option
*
* Depcrecated
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
*
* \retval NULL On success
*/
static const char *cmd_unicode_codepage(cmd_parms *cmd,
void *_dcfg, const char *p1)
{
long val;
val = atol(p1);
if (val <= 0) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid setting for "
"SecUnicodeCodePage: %s", p1);
}
unicode_codepage = (unsigned long int)val;
return NULL;
}
/**
* \brief Add SecUnicodeMapFile configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
*
* \retval NULL On success
*/
static const char *cmd_unicode_map(cmd_parms *cmd, void *_dcfg,
const char *p1, const char *p2)
{
const char *filename = resolve_relative_path(cmd->pool, cmd->directive->filename, p1);
char *error_msg;
long val = 0;
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if(p2 != NULL) {
val = atol(p2);
if (val <= 0) {
return apr_psprintf(cmd->pool, "ModSecurity: Invalid setting for "
"SecUnicodeMapFile: %s", p2);
}
unicode_codepage = (unsigned long int)val;
}
if (unicode_map_init(dcfg, filename, &error_msg) <= 0) {
return error_msg;
}
return NULL;
}
/**
* \brief Add SecGsbLookupDb configuration option
*
* \param cmd Pointer to configuration data
* \param _dcfg Pointer to directory configuration
* \param p1 Pointer to configuration option
*
* \retval NULL On success
*/
static const char *cmd_gsb_lookup_db(cmd_parms *cmd, void *_dcfg,
const char *p1)
{
const char *filename = resolve_relative_path(cmd->pool, cmd->directive->filename, p1);
char *error_msg;
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (gsb_db_init(dcfg, filename, &error_msg) <= 0) {
return error_msg;
}
return NULL;
}
/* -- Cache -- */
static const char *cmd_cache_transformations(cmd_parms *cmd, void *_dcfg,
const char *p1, const char *p2)
{
directory_config *dcfg = (directory_config *)_dcfg;
if (dcfg == NULL) return NULL;
if (strcasecmp(p1, "on") == 0)
dcfg->cache_trans = MODSEC_CACHE_ENABLED;
else if (strcasecmp(p1, "off") == 0)
dcfg->cache_trans = MODSEC_CACHE_DISABLED;
else
return apr_psprintf(cmd->pool, "ModSecurity: Invalid value for SecCacheTransformations: %s", p1);
/* Process options */
if (p2 != NULL) {
apr_table_t *vartable = apr_table_make(cmd->pool, 4);
apr_status_t rc;
char *error_msg = NULL;
const char *charval = NULL;
apr_int64_t intval = 0;
if (vartable == NULL) {
return apr_psprintf(cmd->pool, "ModSecurity: Unable to process options for SecCacheTransformations");
}
rc = msre_parse_generic(cmd->pool, p2, vartable, &error_msg);
if (rc < 0) {
return apr_psprintf(cmd->pool, "ModSecurity: Unable to parse options for SecCacheTransformations: %s", error_msg);
}
/* incremental */
charval = apr_table_get(vartable, "incremental");
if (charval != NULL) {
if (strcasecmp(charval, "on") == 0)
dcfg->cache_trans_incremental = 1;
else if (strcasecmp(charval, "off") == 0)
dcfg->cache_trans_incremental = 0;
else
return apr_psprintf(cmd->pool, "ModSecurity: SecCacheTransformations invalid incremental value: %s", charval);
}
/* minlen */
charval = apr_table_get(vartable, "minlen");
if (charval != NULL) {
intval = apr_atoi64(charval);
if (errno == ERANGE) {
return apr_psprintf(cmd->pool, "ModSecurity: SecCacheTransformations minlen out of range: %s", charval);
}
if (intval < 0) {
return apr_psprintf(cmd->pool, "ModSecurity: SecCacheTransformations minlen must be positive: %s", charval);
}
/* The NOT_SET indicator is -1, a signed long, and therfore
* we cannot be >= the unsigned value of NOT_SET.
*/
if ((unsigned long)intval >= (unsigned long)NOT_SET) {
return apr_psprintf(cmd->pool, "ModSecurity: SecCacheTransformations minlen must be less than: %lu", (unsigned long)NOT_SET);
}
dcfg->cache_trans_min = (apr_size_t)intval;
}
/* maxlen */
charval = apr_table_get(vartable, "maxlen");
if (charval != NULL) {
intval = apr_atoi64(charval);
if (errno == ERANGE) {
return apr_psprintf(cmd->pool, "ModSecurity: SecCacheTransformations maxlen out of range: %s", charval);
}
if (intval < 0) {
return apr_psprintf(cmd->pool, "ModSecurity: SecCacheTransformations maxlen must be positive: %s", charval);
}
/* The NOT_SET indicator is -1, a signed long, and therfore
* we cannot be >= the unsigned value of NOT_SET.
*/
if ((unsigned long)intval >= (unsigned long)NOT_SET) {
return apr_psprintf(cmd->pool, "ModSecurity: SecCacheTransformations maxlen must be less than: %lu", (unsigned long)NOT_SET);
}
if ((intval != 0) && ((apr_size_t)intval < dcfg->cache_trans_min)) {
return apr_psprintf(cmd->pool, "ModSecurity: SecCacheTransformations maxlen must not be less than minlen: %lu < %" APR_SIZE_T_FMT, (unsigned long)intval, dcfg->cache_trans_min);
}
dcfg->cache_trans_max = (apr_size_t)intval;
}
/* maxitems */
charval = apr_table_get(vartable, "maxitems");
if (charval != NULL) {
intval = apr_atoi64(charval);
if (errno == ERANGE) {
return apr_psprintf(cmd->pool, "ModSecurity: SecCacheTransformations maxitems out of range: %s", charval);
}
if (intval < 0) {
return apr_psprintf(cmd->pool, "ModSecurity: SecCacheTransformations maxitems must be positive: %s", charval);
}
dcfg->cache_trans_maxitems = (apr_size_t)intval;
}
}
return NULL;
}
/* -- Configuration directives definitions -- */
#define CMD_SCOPE_MAIN (RSRC_CONF)
#define CMD_SCOPE_ANY (RSRC_CONF | ACCESS_CONF)
#if defined(HTACCESS_CONFIG)
#define CMD_SCOPE_HTACCESS (OR_OPTIONS)
#endif
const command_rec module_directives[] = {
#ifdef HTACCESS_CONFIG
AP_INIT_TAKE1 (
"SecAction",
cmd_action,
NULL,
CMD_SCOPE_HTACCESS,
"an action list"
),
#else
AP_INIT_TAKE1 (
"SecAction",
cmd_action,
NULL,
CMD_SCOPE_ANY,
"an action list"
),
#endif
AP_INIT_TAKE1 (
"SecArgumentSeparator",
cmd_argument_separator,
NULL,
CMD_SCOPE_ANY,
"character that will be used as separator when parsing application/x-www-form-urlencoded content."
),
AP_INIT_TAKE1 (
"SecCookiev0Separator",
cmd_cookiev0_separator,
NULL,
CMD_SCOPE_ANY,
"character that will be used as separator when parsing cookie v0 content."
),
AP_INIT_TAKE1 (
"SecAuditEngine",
cmd_audit_engine,
NULL,
CMD_SCOPE_ANY,
"On, Off or RelevantOnly to determine the level of audit logging"
),
AP_INIT_TAKE1 (
"SecAuditLog",
cmd_audit_log,
NULL,
CMD_SCOPE_ANY,
"filename of the primary audit log file"
),
AP_INIT_TAKE1 (
"SecAuditLog2",
cmd_audit_log2,
NULL,
CMD_SCOPE_ANY,
"filename of the secondary audit log file"
),
AP_INIT_TAKE1 (
"SecAuditLogParts",
cmd_audit_log_parts,
NULL,
CMD_SCOPE_ANY,
"list of audit log parts that go into the log."
),
AP_INIT_TAKE1 (
"SecAuditLogRelevantStatus",
cmd_audit_log_relevant_status,
NULL,
CMD_SCOPE_ANY,
"regular expression that will be used to determine if the response status is relevant for audit logging"
),
AP_INIT_TAKE1 (
"SecAuditLogType",
cmd_audit_log_type,
NULL,
CMD_SCOPE_ANY,
"whether to use the old audit log format (Serial) or new (Concurrent)"
),
#ifdef WITH_YAJL
AP_INIT_TAKE1 (
"SecAuditLogFormat",
cmd_audit_log_mode,
NULL,
CMD_SCOPE_ANY,
"whether to emit audit log data in native format or JSON"
),
#endif
AP_INIT_TAKE1 (
"SecAuditLogStorageDir",
cmd_audit_log_storage_dir,
NULL,
CMD_SCOPE_ANY,
"path to the audit log storage area; absolute, or relative to the root of the server"
),
AP_INIT_TAKE1 (
"SecAuditLogDirMode",
cmd_audit_log_dirmode,
NULL,
CMD_SCOPE_ANY,
"octal permissions mode for concurrent audit log directories"
),
AP_INIT_TAKE1 (
"SecAuditLogFileMode",
cmd_audit_log_filemode,
NULL,
CMD_SCOPE_ANY,
"octal permissions mode for concurrent audit log files"
),
AP_INIT_TAKE12 (
"SecCacheTransformations",
cmd_cache_transformations,
NULL,
CMD_SCOPE_ANY,
"whether or not to cache transformations. Defaults to true."
),
AP_INIT_TAKE1 (
"SecChrootDir",
cmd_chroot_dir,
NULL,
CMD_SCOPE_MAIN,
"path of the directory to which server will be chrooted"
),
AP_INIT_TAKE1 (
"SecComponentSignature",
cmd_component_signature,
NULL,
CMD_SCOPE_MAIN,
"component signature to add to ModSecurity signature."
),
AP_INIT_FLAG (
"SecContentInjection",
cmd_content_injection,
NULL,
CMD_SCOPE_ANY,
"On or Off"
),
AP_INIT_FLAG (
"SecStreamOutBodyInspection",
cmd_stream_outbody_inspection,
NULL,
CMD_SCOPE_ANY,
"On or Off"
),
AP_INIT_FLAG (
"SecStreamInBodyInspection",
cmd_stream_inbody_inspection,
NULL,
CMD_SCOPE_ANY,
"On or Off"
),
AP_INIT_TAKE1 (
"SecCookieFormat",
cmd_cookie_format,
NULL,
CMD_SCOPE_ANY,
"version of the Cookie specification to use for parsing. Possible values are 0 and 1."
),
AP_INIT_TAKE1 (
"SecDataDir",
cmd_data_dir,
NULL,
CMD_SCOPE_MAIN,
"path to the persistent data storage area" // TODO
),
AP_INIT_TAKE1 (
"SecDebugLog",
cmd_debug_log,
NULL,
CMD_SCOPE_ANY,
"path to the debug log file"
),
AP_INIT_TAKE1 (
"SecDebugLogLevel",
cmd_debug_log_level,
NULL,
CMD_SCOPE_ANY,
"debug log level, which controls the verbosity of logging."
" Use values from 0 (no logging) to 9 (a *lot* of logging)."
),
AP_INIT_TAKE1 (
"SecCollectionTimeout",
cmd_collection_timeout,
NULL,
CMD_SCOPE_ANY,
"set default collections timeout. default it 3600"
),
AP_INIT_TAKE1 (
"SecDefaultAction",
cmd_default_action,
NULL,
CMD_SCOPE_ANY,
"default action list"
),
AP_INIT_FLAG (
"SecDisableBackendCompression",
cmd_disable_backend_compression,
NULL,
CMD_SCOPE_ANY,
"When set to On, removes the compression headers from the backend requests."
),
AP_INIT_TAKE1 (
"SecGsbLookupDB",
cmd_gsb_lookup_db,
NULL,
RSRC_CONF,
"database google safe browsing"
),
AP_INIT_TAKE1 (
"SecUnicodeCodePage",
cmd_unicode_codepage,
NULL,
CMD_SCOPE_MAIN,
"Unicode CodePage"
),
AP_INIT_TAKE12 (
"SecUnicodeMapFile",
cmd_unicode_map,
NULL,
CMD_SCOPE_MAIN,
"Unicode Map file"
),
AP_INIT_TAKE1 (
"SecGeoLookupDB",
cmd_geo_lookup_db,
NULL,
RSRC_CONF,
"database for geographical lookups module."
),
AP_INIT_TAKE12 (
"SecGuardianLog",
cmd_guardian_log,
NULL,
CMD_SCOPE_MAIN,
"The filename of the filter debugging log file"
),
AP_INIT_TAKE1 (
"SecMarker",
cmd_marker,
NULL,
CMD_SCOPE_ANY,
"marker for a skipAfter target"
),
AP_INIT_TAKE1 (
"SecPcreMatchLimit",
cmd_pcre_match_limit,
NULL,
CMD_SCOPE_MAIN,
"PCRE match limit"
),
AP_INIT_TAKE1 (
"SecPcreMatchLimitRecursion",
cmd_pcre_match_limit_recursion,
NULL,
CMD_SCOPE_MAIN,
"PCRE match limit recursion"
),
AP_INIT_TAKE1 (
"SecRequestBodyAccess",
cmd_request_body_access,
NULL,
CMD_SCOPE_ANY,
"On or Off"
),
AP_INIT_TAKE1 (
"SecInterceptOnError",
cmd_request_intercept_on_error,
NULL,
CMD_SCOPE_ANY,
"On or Off"
),
AP_INIT_TAKE1 (
"SecRulePerfTime",
cmd_rule_perf_time,
NULL,
CMD_SCOPE_ANY,
"Threshold to log slow rules in usecs."
),
AP_INIT_TAKE12 (
"SecConnReadStateLimit",
cmd_conn_read_state_limit,
NULL,
CMD_SCOPE_ANY,
"maximum number of threads in READ_BUSY state per ip address"
),
AP_INIT_TAKE12 (
"SecReadStateLimit",
cmd_read_state_limit,
NULL,
CMD_SCOPE_ANY,
"maximum number of threads in READ_BUSY state per ip address"
),
AP_INIT_TAKE12 (
"SecConnWriteStateLimit",
cmd_conn_write_state_limit,
NULL,
CMD_SCOPE_ANY,
"maximum number of threads in WRITE_BUSY state per ip address"
),
AP_INIT_TAKE12 (
"SecWriteStateLimit",
cmd_write_state_limit,
NULL,
CMD_SCOPE_ANY,
"maximum number of threads in WRITE_BUSY state per ip address"
),
AP_INIT_TAKE1 (
"SecRequestBodyInMemoryLimit",
cmd_request_body_inmemory_limit,
NULL,
CMD_SCOPE_ANY,
"maximum request body size that will be placed in memory (except for POST urlencoded requests)."
),
AP_INIT_TAKE1 (
"SecRequestBodyLimit",
cmd_request_body_limit,
NULL,
CMD_SCOPE_ANY,
"maximum request body size ModSecurity will accept."
),
AP_INIT_TAKE1 (
"SecRequestBodyNoFilesLimit",
cmd_request_body_no_files_limit,
NULL,
CMD_SCOPE_ANY,
"maximum request body size ModSecurity will accept, but excluding the size of uploaded files."
),
AP_INIT_TAKE1 (
"SecRequestEncoding",
cmd_request_encoding,
NULL,
CMD_SCOPE_ANY,
"character encoding used in request."
),
AP_INIT_TAKE1 (
"SecResponseBodyAccess",
cmd_response_body_access,
NULL,
CMD_SCOPE_ANY,
"On or Off"
),
AP_INIT_TAKE1 (
"SecResponseBodyLimit",
cmd_response_body_limit,
NULL,
CMD_SCOPE_ANY,
"byte limit for response body"
),
AP_INIT_TAKE1 (
"SecResponseBodyLimitAction",
cmd_response_body_limit_action,
NULL,
CMD_SCOPE_ANY,
"what happens when the response body limit is reached"
),
AP_INIT_TAKE1 (
"SecRequestBodyLimitAction",
cmd_resquest_body_limit_action,
NULL,
CMD_SCOPE_ANY,
"what happens when the request body limit is reached"
),
AP_INIT_ITERATE (
"SecResponseBodyMimeType",
cmd_response_body_mime_type,
NULL,
CMD_SCOPE_ANY,
"adds given MIME types to the list of types that will be buffered on output"
),
AP_INIT_NO_ARGS (
"SecResponseBodyMimeTypesClear",
cmd_response_body_mime_types_clear,
NULL,
CMD_SCOPE_ANY,
"clears the list of MIME types that will be buffered on output"
),
#ifdef HTACCESS_CONFIG
AP_INIT_TAKE23 (
"SecRule",
cmd_rule,
NULL,
CMD_SCOPE_HTACCESS,
"rule target, operator and optional action list"
),
#else
AP_INIT_TAKE23 (
"SecRule",
cmd_rule,
NULL,
CMD_SCOPE_ANY,
"rule target, operator and optional action list"
),
#endif
AP_INIT_TAKE1 (
"SecRuleEngine",
cmd_rule_engine,
NULL,