356 lines
9.4 KiB
C++
356 lines
9.4 KiB
C++
#include <unistd.h>
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#include <stdio.h>
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#include <errno.h>
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#include <assert.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "maat_rule.h"
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#include "maat_utils.h"
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#include "maat_command.h"
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#include "cJSON/cJSON.h"
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#include "maat_config_monitor.h"
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#include "maat_redis_monitor.h"
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#include "json2iris.h"
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#include "../test/test_utils.h"
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#include "hiredis/hiredis.h"
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#define MODULE_REDIS_TOOL module_name_str("maat.redis_tool")
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#define WORK_MODE_DUMP 0
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#define WORK_MODE_UPLOAD 1
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#define WORK_MODE_TEST_TRANS 2
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const char *redis_dump_dir = "./redis_dump";
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const char *default_table_info = "./table_info.conf";
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static void maat_tool_print_usage(void)
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{
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printf("maat_redis_tool manipulate rules from redis.\n");
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printf("Usage:\n");
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printf("\t-h [host], redis IP, 127.0.0.1 as default.\n");
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printf("\t-p [port], redis port, 6379 as default.\n");
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printf("\t-n [db], redis db, 0 as default.\n");
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printf("\t-d [dir], dump rules from redis to [dir], %s as default.\n", redis_dump_dir);
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printf("\t-k, try to execute the 'keys EFFECTIVE_RULE:*' transaction, and give a specific reason if an error occurs\n");
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printf("\t-u [json_file], flush redis and upload all rules to redis, confirm the risk before proceeding\n");
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printf("\t-v [version], dump specific [version] from redis, dump latest version as default.\n");
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printf("\t-t [timeout], timeout config after t seconds, default is 0 which means never timeout.\n");
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printf("example: ./maat_redis_tool -h 127.0.0.1 -p 6379 -d %s\n",redis_dump_dir);
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printf(" ./maat_redis_tool -h 127.0.0.1 -p 6379 -k\n");
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printf(" ./maat_redis_tool -h 127.0.0.1 -p 6379 -j payload.json -t 300\n");
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}
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static int compare_serial_rule(const void *a, const void *b)
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{
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struct serial_rule *ra=(struct serial_rule *)a;
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struct serial_rule *rb=(struct serial_rule *)b;
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int ret = strcmp(ra->table_name, rb->table_name);
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if (0 == ret) {
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ret = ra->rule_id - rb->rule_id;
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}
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return ret;
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}
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static int set_file_rulenum(const char *path, int rule_num)
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{
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FILE* fp=NULL;
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if (0 == rule_num) {
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fp = fopen(path, "w");
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} else {
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fp = fopen(path, "r+");
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}
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if (NULL == fp) {
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fprintf(stderr, "fopen %s failed %s at set rule num\n",
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path, strerror(errno));
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return -1;
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}
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fprintf(fp, "%010d\n", rule_num);
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fclose(fp);
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return 0;
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}
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static void read_rule_from_redis(redisContext *c, const char *output_path,
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struct log_handle *logger)
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{
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int i = 0;
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int ret = 0;
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int line_count = 0;
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int update_type = MAAT_UPDATE_TYPE_INC;
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long long version = 0;
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const char *cur_table = NULL;
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char foreign_files_dir[NAME_MAX] = {0};
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char table_path[PATH_MAX] = {0};
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char index_path[PATH_MAX] = {0};
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FILE *table_fp = NULL;
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FILE *index_fp = NULL;
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struct serial_rule *rule_list = NULL;
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int rule_num = maat_get_rm_key_list(c, 0, &version, NULL, &rule_list,
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&update_type, logger);
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if (0 == rule_num) {
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printf("No Effective Rules.\n");
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return;
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}
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if (rule_num < 0) {
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printf("Read Redis Error.\n");
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return;
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}
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assert(update_type == MAAT_UPDATE_TYPE_FULL);
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printf("MAAT Version: %lld, key number: %d\n", version, rule_num);
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if (0 == rule_num) {
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goto clean_up;
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}
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printf("Reading value: \n");
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ret = maat_get_redis_value(c, rule_list, rule_num, 1, logger);
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if (ret < 0) {
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goto clean_up;
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}
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printf("Sorting.\n");
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qsort(rule_list, rule_num, sizeof(struct serial_rule), compare_serial_rule);
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if ((access(output_path, F_OK)) <0) {
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if ((mkdir(output_path, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH)) < 0) {
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printf("mkdir %s error\n", output_path);
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}
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}
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snprintf(foreign_files_dir, sizeof(foreign_files_dir),
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"%s/foreign_files/", output_path);
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if ((access(foreign_files_dir, F_OK)) <0) {
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if((mkdir(foreign_files_dir, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH)) < 0) {
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printf("mkdir %s error\n", foreign_files_dir);
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}
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}
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ret = maat_get_foreign_keys_by_prefix(c, rule_list, rule_num,
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foreign_files_dir, logger);
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if (ret > 0) {
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printf("%d lines has foreign content.\n", ret);
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maat_get_foreign_conts(c, rule_list, rule_num, 1, NULL);
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}
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snprintf(index_path,sizeof(index_path), "%s/full_config_index.%020lld",
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output_path, version);
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index_fp = fopen(index_path, "w");
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if (NULL == index_fp) {
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printf("Open %s failed.\n", index_path);
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goto clean_up;
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}
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for (i = 0; i < rule_num; i++) {
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if (rule_list[i].n_foreign > 0) {
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maat_rewrite_table_line_with_foreign(rule_list+i);
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}
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if (NULL == cur_table ||
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0 != strcmp(cur_table,rule_list[i].table_name)) {
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if (table_fp != NULL) {
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fprintf(index_fp, "%s\t%d\t%s\n", cur_table, line_count, table_path);
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fclose(table_fp);
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table_fp = NULL;
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set_file_rulenum(table_path, line_count);
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line_count = 0;
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printf("Written table %s\n",table_path);
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}
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snprintf(table_path, sizeof(table_path), "%s/%s.%020lld",
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output_path, rule_list[i].table_name, version);
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set_file_rulenum(table_path, 0);
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table_fp = fopen(table_path, "a");
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if (NULL == table_fp) {
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printf("Open %s failed.\n", table_path);
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goto clean_up;
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}
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cur_table = rule_list[i].table_name;
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}
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size_t line_len = strlen(rule_list[i].table_line);
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if (rule_list[i].table_line[line_len - 1] == '\n') {
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rule_list[i].table_line[line_len - 1] = '\0';
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}
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fprintf(table_fp, "%s\tkey=%lld\n", rule_list[i].table_line,
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rule_list[i].rule_id);
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line_count++;
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}
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fclose(table_fp);
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table_fp = NULL;
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fprintf(index_fp, "%s\t%d\t%s\n", cur_table, line_count, table_path);
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set_file_rulenum(table_path, line_count);
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printf("Written table %s\n", table_path);
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printf("Written complete: %s\n", index_path);
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clean_up:
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for (i = 0; i < rule_num; i++) {
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maat_clear_rule_cache(rule_list+i);
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}
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FREE(rule_list);
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if (index_fp != NULL) {
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fclose(index_fp);
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}
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if (table_fp != NULL) {
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fclose(table_fp);
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}
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}
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static int exec_keys_transaction(redisContext *c, struct log_handle *logger)
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{
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printf("Ready to execute [keys EFFECTIVE_RULE:*] transaction...\n");
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struct timespec start, end;
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clock_gettime(CLOCK_MONOTONIC, &start);
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size_t append_cmd_cnt = 0;
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int ret = redisAppendCommand(c, "MULTI");
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if (ret < 0) {
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printf("redisAppendCommand(MULTI) failed.\n");
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return -1;
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}
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append_cmd_cnt++;
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ret = redisAppendCommand(c, "GET MAAT_VERSION");
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if (ret < 0) {
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printf("redisAppendCommand(GET MAAT_VERSION) failed.\n");
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return -1;
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}
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append_cmd_cnt++;
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ret = redisAppendCommand(c, "KEYS EFFECTIVE_RULE:*");
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if (ret < 0) {
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printf("redisAppendCommand(KEYS EFFECTIVE_RULE:*) failed.\n");
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return -1;
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}
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append_cmd_cnt++;
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size_t i = 0;
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redisReply *reply = NULL;
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//consume reply "OK" and "QUEUED".
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for (i = 0; i < append_cmd_cnt; i++) {
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maat_wrap_redis_get_reply(c, &reply);
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freeReplyObject(reply);
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reply = NULL;
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}
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reply = maat_wrap_redis_command(c, logger, "EXEC");
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if (NULL == reply) {
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printf("[%s:%d] execute exec failed.: %s, "
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"check the log file to find the cause of the error.\n",
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__FUNCTION__, __LINE__, c->errstr);
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return -1;
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}
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if (reply->type != REDIS_REPLY_ARRAY) {
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printf("[%s:%d] Invalid Redis Key List type %d\n",
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__FUNCTION__, __LINE__, reply->type);
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freeReplyObject(reply);
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reply = NULL;
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return -1;
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}
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redisReply *sub_reply = reply->element[1];
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clock_gettime(CLOCK_MONOTONIC, &end);
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long long time_elapse_s = (end.tv_sec - start.tv_sec) +
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(end.tv_nsec - start.tv_nsec) / 1000000000;
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printf("success!!! consume time:%llds, rule_num:%zu\n",
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time_elapse_s, sub_reply->elements);
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return 0;
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}
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int main(int argc, char * argv[])
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{
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int opt = 0;
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int mode = 0;
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char redis_ip[64] = {0};
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int redis_port = 6379;
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int redis_db = 0;
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char dump_dir[128] = {0};
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char upload_file[128] = {0};
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char log_path[128] = "./maat_redis_tool.log";
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int timeout = 0;
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strncpy(redis_ip, "127.0.0.1", sizeof(redis_ip));
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strncpy(dump_dir, redis_dump_dir, sizeof(dump_dir));
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struct log_handle *logger = log_handle_create(log_path, 0);
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while ((opt = getopt(argc,argv,"h:p:n:d:f:t:u:k")) != -1) {
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switch (opt) {
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case 'h':
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strncpy(redis_ip, optarg, sizeof(redis_ip));
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break;
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case 'p':
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sscanf(optarg, "%d", &redis_port);
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break;
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case 'n':
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sscanf(optarg, "%d", &redis_db);
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break;
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case 'd':
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mode = WORK_MODE_DUMP;
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strncpy(dump_dir, optarg, sizeof(dump_dir));
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if (dump_dir[strlen(dump_dir)-1] == '/') {
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dump_dir[strlen(dump_dir)-1] = '\0';
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}
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break;
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case 'k':
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mode = WORK_MODE_TEST_TRANS;
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break;
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case 't':
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sscanf(optarg,"%d", &timeout);
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break;
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case 'u':
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strncpy(upload_file, optarg, sizeof(upload_file));
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mode = WORK_MODE_UPLOAD;
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break;
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case '?':
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default:
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maat_tool_print_usage();
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return 0;
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break;
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}
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}
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if (mode == WORK_MODE_UPLOAD) {
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return write_json_to_redis(upload_file, redis_ip, redis_port,
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redis_db, logger);
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}
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redisContext *c = maat_connect_redis(redis_ip, redis_port, redis_db, logger);
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if (NULL == c) {
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return -1;
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}
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int ret = 0;
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if (mode == WORK_MODE_DUMP) {
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log_info(logger, MODULE_REDIS_TOOL, "Reading key list from %s:%d db%d.",
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redis_ip, redis_port, redis_db);
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read_rule_from_redis(c, dump_dir, logger);
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} else if (mode == WORK_MODE_TEST_TRANS) {
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ret = exec_keys_transaction(c, logger);
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if (ret < 0) {
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printf("[ERROR]: execute 'KEYS EFFECTIVE_RULE:*' failed.");
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}
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}
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redisFree(c);
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return ret;
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} |