626 lines
20 KiB
C
626 lines
20 KiB
C
/*
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**********************************************************************************************
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* File: maat_ip_plugin.c
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* Description:
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* Authors: Liu wentan <liuwentan@geedgenetworks.com>
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* Date: 2022-10-31
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* Copyright: (c) Since 2022 Geedge Networks, Ltd. All rights reserved.
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***********************************************************************************************
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*/
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#include <assert.h>
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#include "alignment.h"
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#include "log/log.h"
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#include "maat_utils.h"
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#include "maat_ip_plugin.h"
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#include "ip_matcher.h"
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#include "maat_rule.h"
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#include "maat_garbage_collection.h"
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#define MODULE_IP_PLUGIN module_name_str("maat.ip_plugin")
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#define MAX_IP_STR 128
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struct ip_plugin_schema {
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int item_id_column;
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int ip_column;
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int rule_tag_column;
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int gc_timeout_s;
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int table_id;
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struct ex_container_schema container_schema;
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struct table_manager *ref_tbl_mgr;
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struct log_handle *logger;
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};
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struct ip_plugin_runtime {
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struct ip_matcher *ip_matcher;
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struct ex_data_runtime *ex_data_rt;
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size_t n_worker_thread;
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struct maat_garbage_bin *ref_garbage_bin;
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struct log_handle *logger;
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long long rule_num;
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long long update_err_cnt;
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long long *scan_times;
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};
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void *ip_plugin_schema_new(cJSON *json, struct table_manager *tbl_mgr,
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const char *table_name, struct log_handle *logger)
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{
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struct ip_plugin_schema *schema = ALLOC(struct ip_plugin_schema, 1);
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schema->logger = logger;
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cJSON *custom_item = NULL;
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cJSON *item = cJSON_GetObjectItem(json, "table_id");
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if (item != NULL && item->type == cJSON_Number) {
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schema->table_id = item->valueint;
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} else {
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log_fatal(logger, MODULE_IP_PLUGIN,
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"[%s:%d] ip_plugin table:<%s> schema has no"
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" table_id column", __FUNCTION__, __LINE__,
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table_name);
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goto error;
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}
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item = cJSON_GetObjectItem(json, "custom");
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if (NULL == item || item->type != cJSON_Object) {
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log_fatal(logger, MODULE_IP_PLUGIN,
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"[%s:%d] ip_plugin table:<%s> schema has no"
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" custom column", __FUNCTION__, __LINE__,
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table_name);
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goto error;
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}
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custom_item = cJSON_GetObjectItem(item, "item_id");
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if (custom_item != NULL && custom_item->type == cJSON_Number) {
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schema->item_id_column = custom_item->valueint;
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} else {
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log_fatal(logger, MODULE_IP_PLUGIN,
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"[%s:%d] ip_plugin table:<%s> schema has no"
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" item_id column", __FUNCTION__, __LINE__,
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table_name);
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goto error;
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}
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custom_item = cJSON_GetObjectItem(item, "ip");
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if (custom_item != NULL && custom_item->type == cJSON_Number) {
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schema->ip_column = custom_item->valueint;
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} else {
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log_fatal(logger, MODULE_IP_PLUGIN,
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"[%s:%d] ip_plugin table:<%s> schema has no"
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" end_ip column", __FUNCTION__, __LINE__,
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table_name);
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goto error;
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}
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// rule_tag is optional
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custom_item = cJSON_GetObjectItem(item, "rule_tag");
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if (custom_item != NULL && custom_item->type == cJSON_Number) {
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schema->rule_tag_column = custom_item->valueint;
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}
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//gc_timeout_s is optional
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custom_item = cJSON_GetObjectItem(item, "gc_timeout_s");
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if (custom_item != NULL && custom_item->type == cJSON_Number) {
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schema->gc_timeout_s = custom_item->valueint;
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}
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schema->ref_tbl_mgr = tbl_mgr;
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return schema;
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error:
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FREE(schema);
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return NULL;
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}
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void ip_plugin_schema_free(void *ip_plugin_schema)
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{
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if (NULL == ip_plugin_schema) {
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return;
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}
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FREE(ip_plugin_schema);
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}
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static int
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ip_plugin_accept_tag_match(struct ip_plugin_schema *schema,
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const char *table_name, const char *line,
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struct log_handle *logger)
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{
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size_t column_offset = 0;
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size_t column_len = 0;
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size_t n_tag = table_manager_accept_tags_count(schema->ref_tbl_mgr);
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if (schema->rule_tag_column > 0 && n_tag > 0) {
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int ret = get_column_pos(line, schema->rule_tag_column,
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&column_offset, &column_len);
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if (ret < 0) {
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log_fatal(logger, MODULE_IP_PLUGIN,
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"[%s:%d] ip_plugin table:<%s> has no rule_tag in line:%s",
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__FUNCTION__, __LINE__, table_name, line);
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return TAG_MATCH_ERR;
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}
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if (column_len > 2) {
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char *tag_str = ALLOC(char, column_len + 1);
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memcpy(tag_str, (line + column_offset), column_len);
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ret = table_manager_accept_tags_match(schema->ref_tbl_mgr, tag_str);
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FREE(tag_str);
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if (TAG_MATCH_ERR == ret) {
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log_fatal(logger, MODULE_IP_PLUGIN,
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"[%s:%d] ip_plugin table:<%s> has invalid tag format"
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" in line:%s", __FUNCTION__, __LINE__, table_name, line);
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return TAG_MATCH_ERR;
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}
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if (TAG_MATCH_UNMATCHED == ret) {
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log_fatal(logger, MODULE_IP_PLUGIN,
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"[%s:%d] ip_plugin table:<%s> has unmatched tag in line:%s",
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__FUNCTION__, __LINE__, table_name, line);
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return TAG_MATCH_UNMATCHED;
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}
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}
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}
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return TAG_MATCH_MATCHED;
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}
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static struct ip_rule *
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ip_plugin_rule_new(struct ip_plugin_schema *schema, const char *table_name,
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const char *line, struct log_handle *logger)
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{
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int ret = ip_plugin_accept_tag_match(schema, table_name, line, logger);
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if (ret == TAG_MATCH_UNMATCHED) {
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return NULL;
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}
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size_t column_offset = 0;
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size_t column_len = 0;
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char ip_str[128] = {0};
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struct ip_rule *ip_plugin_rule = ALLOC(struct ip_rule, 1);
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ret = get_column_pos(line, schema->item_id_column,
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&column_offset, &column_len);
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if (ret < 0) {
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log_fatal(logger, MODULE_IP_PLUGIN,
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"[%s:%d] ip_plugin table:<%s> has no item_id in line:%s",
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__FUNCTION__, __LINE__, table_name, line);
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goto error;
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}
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ip_plugin_rule->rule_id = atoll(line + column_offset);
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ret = get_column_pos(line, schema->ip_column,
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&column_offset, &column_len);
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if (ret < 0) {
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log_fatal(logger, MODULE_IP_PLUGIN,
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"[%s:%d] ip_plugin table:<%s> has no end_ip in line:%s",
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__FUNCTION__, __LINE__, table_name, line);
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goto error;
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}
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strncpy(ip_str, line + column_offset, column_len);
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if (strchr(ip_str, ':') != NULL) {
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ip_plugin_rule->type = IPV6;
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} else {
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ip_plugin_rule->type = IPV4;
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}
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if (IPv4 == ip_plugin_rule->type) {
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ret = ip_format2range(ip_str, ip_plugin_rule->type, &ip_plugin_rule->ipv4_rule.start_ip, &ip_plugin_rule->ipv4_rule.end_ip);
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if (ret < 0) {
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log_fatal(logger, MODULE_IP_PLUGIN,
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"[%s:%d] ip_plugin table:<%s>> ip_format2range(ip4)"
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" failed in line:%s", __FUNCTION__, __LINE__,
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table_name, line);
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goto error;
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}
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} else {
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//ipv6
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ret = ip_format2range(ip_str, ip_plugin_rule->type, ip_plugin_rule->ipv6_rule.start_ip, ip_plugin_rule->ipv6_rule.end_ip);
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if (ret < 0) {
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log_fatal(logger, MODULE_IP_PLUGIN,
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"[%s:%d] ip_plugin table:<%s> ip_format2range(ip6)"
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" failed in line:%s", __FUNCTION__, __LINE__,
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table_name, line);
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goto error;
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}
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}
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return ip_plugin_rule;
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error:
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FREE(ip_plugin_rule);
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return NULL;
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}
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void ip_plugin_rule_free(void *ip_rule)
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{
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FREE(ip_rule);
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}
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int ip_plugin_table_set_ex_container_schema(void *ip_plugin_schema, int table_id,
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maat_ex_new_func_t *new_func,
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maat_ex_free_func_t *free_func,
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maat_ex_dup_func_t *dup_func,
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void (*custom_data_free)(void *),
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long argl, void *argp)
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{
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struct ip_plugin_schema *schema = (struct ip_plugin_schema *)ip_plugin_schema;
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if (1 == schema->container_schema.set_flag) {
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log_fatal(schema->logger, MODULE_IP_PLUGIN,
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"[%s:%d] ip_plugin table(table_id:%d) ex_container_schema"
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" has been set, can't set again",
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__FUNCTION__, __LINE__, table_id);
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return -1;
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}
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schema->container_schema.table_id = table_id;
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schema->container_schema.custom_data_free = custom_data_free;
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schema->container_schema.ex_schema.new_func = new_func;
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schema->container_schema.ex_schema.free_func = free_func;
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schema->container_schema.ex_schema.dup_func = dup_func;
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schema->container_schema.ex_schema.argl = argl;
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schema->container_schema.ex_schema.argp = argp;
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schema->container_schema.set_flag = 1;
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return 0;
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}
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struct ex_container_schema *
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ip_plugin_table_get_ex_container_schema(void *ip_plugin_schema)
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{
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struct ip_plugin_schema *schema =
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(struct ip_plugin_schema *)ip_plugin_schema;
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return &(schema->container_schema);
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}
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static int
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ip_plugin_runtime_update_row(struct ip_plugin_runtime *ip_plugin_rt,
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const char *table_name, const char *row,
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const char *key, size_t key_len,
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struct ip_rule *ip_plugin_rule, int is_valid)
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{
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int ret = -1;
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struct ex_data_runtime *ex_data_rt = ip_plugin_rt->ex_data_rt;
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if (NULL == ex_data_rt) {
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return -1;
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}
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if (0 == is_valid) {
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// delete
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ret = ex_data_runtime_del_ex_container(ex_data_rt, key, key_len);
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if (ret < 0) {
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return -1;
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}
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} else {
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// add
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void *ex_data = ex_data_runtime_row2ex_data(ex_data_rt, table_name,
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row, key, key_len);
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struct ex_container *ex_container =
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ex_container_new(ex_data, (void *)ip_plugin_rule);
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ret = ex_data_runtime_add_ex_container(ex_data_rt, key, key_len,
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ex_container);
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if (ret < 0) {
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log_debug(ip_plugin_rt->logger, MODULE_IP_PLUGIN,
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"[%s:%d]ip_plugin table:<%s> add key failed, "
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"key:%s", __FUNCTION__, __LINE__, table_name, key);
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ex_container_free(ex_data_rt, ex_container);
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//don't return failed, ignore the case of adding duplicate keys
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}
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}
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return 0;
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}
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void *ip_plugin_runtime_new(void *ip_plugin_schema, size_t max_thread_num,
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struct maat_garbage_bin *garbage_bin,
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struct log_handle *logger)
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{
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if (NULL == ip_plugin_schema) {
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return NULL;
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}
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struct ip_plugin_schema *schema =
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(struct ip_plugin_schema *)ip_plugin_schema;
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struct ip_plugin_runtime *ip_plugin_rt = ALLOC(struct ip_plugin_runtime, 1);
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ip_plugin_rt->ex_data_rt =
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ex_data_runtime_new(schema->table_id, schema->gc_timeout_s, logger);
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if (1 == schema->container_schema.set_flag) {
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ex_data_runtime_set_ex_container_schema(ip_plugin_rt->ex_data_rt,
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&(schema->container_schema));
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}
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ip_plugin_rt->n_worker_thread = max_thread_num;
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ip_plugin_rt->ref_garbage_bin = garbage_bin;
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ip_plugin_rt->logger = logger;
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ip_plugin_rt->scan_times = alignment_int64_array_alloc(max_thread_num);
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return ip_plugin_rt;
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}
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void ip_plugin_runtime_free(void *ip_plugin_runtime)
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{
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if (NULL == ip_plugin_runtime) {
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return;
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}
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struct ip_plugin_runtime *ip_plugin_rt =
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(struct ip_plugin_runtime *)ip_plugin_runtime;
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if (ip_plugin_rt->ip_matcher != NULL) {
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ip_matcher_free(ip_plugin_rt->ip_matcher);
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ip_plugin_rt->ip_matcher = NULL;
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}
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if (ip_plugin_rt->ex_data_rt != NULL) {
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ex_data_runtime_free(ip_plugin_rt->ex_data_rt);
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ip_plugin_rt->ex_data_rt = NULL;
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}
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if (ip_plugin_rt->scan_times != NULL) {
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alignment_int64_array_free(ip_plugin_rt->scan_times);
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ip_plugin_rt->scan_times = NULL;
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}
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FREE(ip_plugin_rt);
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}
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int ip_plugin_runtime_update(void *ip_plugin_runtime, void *ip_plugin_schema,
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const char *table_name, const char *line,
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int valid_column)
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{
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if (NULL == ip_plugin_runtime || NULL == ip_plugin_schema ||
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NULL == line) {
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return -1;
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}
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struct ip_rule *ip_plugin_rule = NULL;
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struct ip_plugin_schema *schema =
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(struct ip_plugin_schema *)ip_plugin_schema;
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struct ip_plugin_runtime *ip_plugin_rt =
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(struct ip_plugin_runtime *)ip_plugin_runtime;
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size_t item_id_offset = 0, item_id_len = 0;
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int is_valid = get_column_value(line, valid_column);
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if (is_valid < 0) {
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ip_plugin_rt->update_err_cnt++;
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return -1;
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}
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int ret = get_column_pos(line, schema->item_id_column,
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&item_id_offset, &item_id_len);
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if (ret < 0) {
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ip_plugin_rt->update_err_cnt++;
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return -1;
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}
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if (1 == schema->container_schema.set_flag) {
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if (1 == is_valid) {
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// add
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ip_plugin_rule = ip_plugin_rule_new(schema, table_name, line,
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ip_plugin_rt->logger);
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if (NULL == ip_plugin_rule) {
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ip_plugin_rt->update_err_cnt++;
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return -1;
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}
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}
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const char *key = line + item_id_offset;
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size_t key_len = item_id_len;
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ret = ip_plugin_runtime_update_row(ip_plugin_rt, table_name, line, key,
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key_len, ip_plugin_rule, is_valid);
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if (ret < 0) {
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log_fatal(ip_plugin_rt->logger, MODULE_IP_PLUGIN,
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"[%s:%d]ip_plugin table:<%s> update one line failed, "
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"line:%s", __FUNCTION__, __LINE__, table_name, line);
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ip_plugin_rt->update_err_cnt++;
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return -1;
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}
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log_debug(ip_plugin_rt->logger, MODULE_IP_PLUGIN,
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"ip_plugin table:<%s> update one line, key:%s, key_len:%zu,"
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" is_valid:%d", table_name, key, key_len, is_valid);
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} else {
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//ex_schema not set
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ex_data_runtime_cache_row_put(ip_plugin_rt->ex_data_rt, line);
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ip_plugin_rt->rule_num =
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ex_data_runtime_cached_row_count(ip_plugin_rt->ex_data_rt);
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}
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return 0;
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}
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int ip_plugin_runtime_commit(void *ip_plugin_runtime, const char *table_name,
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long long maat_rt_version)
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{
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if (NULL == ip_plugin_runtime) {
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return -1;
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}
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struct ip_plugin_runtime *ip_plugin_rt =
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(struct ip_plugin_runtime *)ip_plugin_runtime;
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struct ex_data_runtime *ex_data_rt = ip_plugin_rt->ex_data_rt;
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if (NULL == ex_data_rt) {
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return -1;
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}
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int updating_flag = ex_data_runtime_is_updating(ex_data_rt);
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if (0 == updating_flag) {
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return 0;
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}
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struct ip_rule *rules = NULL;
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struct ex_container **ex_container = NULL;
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size_t rule_cnt = ex_data_runtime_list_updating_ex_container(ex_data_rt,
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&ex_container);
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if (rule_cnt > 0) {
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rules = ALLOC(struct ip_rule, rule_cnt);
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for (size_t i = 0; i < rule_cnt; i++) {
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rules[i] = *(struct ip_rule *)ex_container[i]->custom_data;
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assert(rules[i].user_tag == ex_container[i] ||
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rules[i].user_tag == NULL);
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rules[i].user_tag = ex_container[i];
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}
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}
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int ret = 0;
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size_t mem_used = 0;
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struct ip_matcher *new_ip_matcher = NULL;
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struct ip_matcher *old_ip_matcher = NULL;
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if (rule_cnt > 0) {
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struct timespec start, end;
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clock_gettime(CLOCK_MONOTONIC, &start);
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new_ip_matcher = ip_matcher_new(rules, rule_cnt, &mem_used);
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clock_gettime(CLOCK_MONOTONIC, &end);
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long long time_elapse_ms = (end.tv_sec - start.tv_sec) * 1000 +
|
|
(end.tv_nsec - start.tv_nsec) / 1000000;
|
|
|
|
if (NULL == new_ip_matcher) {
|
|
log_fatal(ip_plugin_rt->logger, MODULE_IP_PLUGIN,
|
|
"[%s:%d] ip_plugin table[%s] rebuild ip_matcher failed when "
|
|
"update %zu rules", __FUNCTION__, __LINE__, table_name, rule_cnt);
|
|
ret = -1;
|
|
} else {
|
|
log_info(ip_plugin_rt->logger, MODULE_IP_PLUGIN,
|
|
"table[%s] commit %zu ip_plugin rules and rebuild ip_matcher "
|
|
"completed, version:%lld, consume:%lldms", table_name, rule_cnt,
|
|
maat_rt_version, time_elapse_ms);
|
|
}
|
|
}
|
|
|
|
old_ip_matcher = ip_plugin_rt->ip_matcher;
|
|
ip_plugin_rt->ip_matcher = new_ip_matcher;
|
|
ex_data_runtime_commit(ex_data_rt);
|
|
|
|
if (old_ip_matcher != NULL) {
|
|
maat_garbage_bagging(ip_plugin_rt->ref_garbage_bin, old_ip_matcher,
|
|
NULL, garbage_ip_matcher_free);
|
|
}
|
|
|
|
ip_plugin_rt->rule_num = rule_cnt;
|
|
|
|
if (rules != NULL) {
|
|
FREE(rules);
|
|
}
|
|
|
|
if (ex_container != NULL) {
|
|
FREE(ex_container);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
long long ip_plugin_runtime_rule_count(void *ip_plugin_runtime)
|
|
{
|
|
if (NULL == ip_plugin_runtime) {
|
|
return 0;
|
|
}
|
|
|
|
struct ip_plugin_runtime *ip_plugin_rt =
|
|
(struct ip_plugin_runtime *)ip_plugin_runtime;
|
|
|
|
return ip_plugin_rt->rule_num;
|
|
}
|
|
|
|
struct ex_data_runtime *
|
|
ip_plugin_runtime_get_ex_data_rt(void *ip_plugin_runtime)
|
|
{
|
|
if (NULL == ip_plugin_runtime) {
|
|
return NULL;
|
|
}
|
|
|
|
struct ip_plugin_runtime *ip_plugin_rt =
|
|
(struct ip_plugin_runtime *)ip_plugin_runtime;
|
|
|
|
return ip_plugin_rt->ex_data_rt;
|
|
}
|
|
|
|
int ip_plugin_runtime_get_ex_data(void *ip_plugin_runtime,
|
|
const struct ip_addr *ip_addr,
|
|
void **ex_data_array,
|
|
size_t n_ex_data)
|
|
{
|
|
if (NULL == ip_plugin_runtime || NULL == ip_addr ||
|
|
NULL == ex_data_array || 0 == n_ex_data) {
|
|
return -1;
|
|
}
|
|
|
|
struct ip_plugin_runtime *ip_plugin_rt =
|
|
(struct ip_plugin_runtime *)ip_plugin_runtime;
|
|
|
|
if (0 == ip_plugin_rt->rule_num) {
|
|
return 0;
|
|
}
|
|
|
|
if (NULL == ip_plugin_rt->ip_matcher) {
|
|
return 0;
|
|
}
|
|
|
|
struct scan_result results[n_ex_data];
|
|
struct ip_data ip_data = *(const struct ip_data *)ip_addr;
|
|
if (ip_data.type == IPv4) {
|
|
ip_data.ipv4 = ntohl(ip_data.ipv4);
|
|
} else {
|
|
ipv6_ntoh(ip_data.ipv6);
|
|
}
|
|
|
|
int n_result = ip_matcher_match(ip_plugin_rt->ip_matcher, &ip_data,
|
|
results, n_ex_data);
|
|
for (int i = 0; i < n_result; i++) {
|
|
ex_data_array[i] =
|
|
ex_data_runtime_get_ex_data_by_container(ip_plugin_rt->ex_data_rt,
|
|
(struct ex_container *)results[i].tag);
|
|
}
|
|
return n_result;
|
|
}
|
|
|
|
long long ip_plugin_runtime_update_err_count(void *ip_plugin_runtime)
|
|
{
|
|
if (NULL == ip_plugin_runtime) {
|
|
return 0;
|
|
}
|
|
|
|
struct ip_plugin_runtime *ip_plugin_rt =
|
|
(struct ip_plugin_runtime *)ip_plugin_runtime;
|
|
|
|
return ip_plugin_rt->update_err_cnt;
|
|
}
|
|
|
|
void ip_plugin_runtime_scan_times_inc(void *ip_plugin_runtime, int thread_id)
|
|
{
|
|
if (NULL == ip_plugin_runtime || thread_id < 0) {
|
|
return;
|
|
}
|
|
|
|
struct ip_plugin_runtime *ip_plugin_rt =
|
|
(struct ip_plugin_runtime *)ip_plugin_runtime;
|
|
|
|
alignment_int64_array_add(ip_plugin_rt->scan_times, thread_id, 1);
|
|
}
|
|
|
|
long long ip_plugin_runtime_scan_times(void *ip_plugin_runtime)
|
|
{
|
|
if (NULL == ip_plugin_runtime) {
|
|
return 0;
|
|
}
|
|
|
|
struct ip_plugin_runtime *ip_plugin_rt =
|
|
(struct ip_plugin_runtime *)ip_plugin_runtime;
|
|
|
|
long long sum = alignment_int64_array_sum(ip_plugin_rt->scan_times,
|
|
ip_plugin_rt->n_worker_thread);
|
|
|
|
alignment_int64_array_reset(ip_plugin_rt->scan_times,
|
|
ip_plugin_rt->n_worker_thread);
|
|
|
|
return sum;
|
|
} |