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tango-verify-policy/platform/src/verify_matcher.cpp

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/*************************************************************************
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> File Name: policy_scan.cpp
> Author:
> Mail:
2019-10-22 15:13:14 +08:00
> Created Time: 20190823 165325
************************************************************************/
#include <assert.h>
#include <time.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
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#include <pthread.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
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#include <MESA/maat.h>
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#include <MESA/MESA_prof_load.h>
#include <MESA/stream.h>
#include <uuid/uuid.h>
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#include <cjson/cJSON.h>
#include "utils.h"
#include "utarray.h"
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#include "verify_policy.h"
#define MAX_EX_DATA_LEN 16
#define HIT_PATH_SIZE 1024
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#define MAX_SCAN_RESULT 16
#define MAX_REGEX_EXPRESS_NUM 32
#define MERGE_SCAN_NTH 128
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#define MODULE_VERIFY_MATCHER "verify-policy.matcher"
const char * table_name[__TSG_OBJ_MAX] =
{
[TSG_OBJ_SOURCE_ADDR] = "SOURCE_IP",
[TSG_OBJ_DESTINATION_ADDR]="DESTINATION_IP",
[TSG_OBJ_SUBSCRIBE_ID] = "SUBSCRIBER_ID",
[TSG_OBJ_APP_ID] = "APP_ID",
[TSG_OBJ_HTTP_URL] = "HTTP_URL",
[TSG_OBJ_HTTP_REQ_HDR] = "HTTP_REQ_HDR",
[TSG_OBJ_HTTP_REQ_BODY] = "HTTP_REQ_BODY",
[TSG_OBJ_HTTP_RES_HDR] = "HTTP_RES_HDR",
[TSG_OBJ_HTTP_RES_BODY] = "HTTP_RES_BODY",
[TSG_OBJ_SSL_CN] = "SSL_CN",
[TSG_OBJ_SSL_SAN] = "SSL_SAN",
[TSG_OBJ_DOH_QNAME]="DOH_QNAME",
[TSG_OBJ_DNS_QNAME] = "DNS_QNAME",
[TSG_OBJ_MAIL_ACCOUNT] = "MAIL_ACCOUNT",
[TSG_OBJ_MAIL_FROM] = "MAIL_FROM",
[TSG_OBJ_MAIL_TO] = "MAIL_TO",
[TSG_OBJ_MAIL_SUBJECT] = "MAIL_SUBJECT",
[TSG_OBJ_MAIL_CONTENT] = "MAIL_CONTENT",
[TSG_OBJ_MAIL_ATT_NAME] = "MAIL_ATT_NAME",
[TSG_OBJ_MAIL_ATT_CONTENT] = "MAIL_ATT_CONTENT",
[TSG_OBJ_FTP_URI] = "FTP_URI",
[TSG_OBJ_FTP_CONTENT] = "FTP_CONTENT",
[TSG_OBJ_FTP_ACCOUNT] = "FTP_ACCOUNT",
[TSG_OBJ_SIP_FROM]="SIP_ORIGINATOR_DESCRIPTION",
[TSG_OBJ_SIP_TO]="SIP_RESPONDER_DESCRIPTION",
[TSG_OBJ_IMSI]="GTP_IMSI",
[TSG_OBJ_PHONE_NUMBER]="GTP_PHONE_NUMBER",
[TSG_OBJ_APN]="GTP_APN",
[TSG_OBJ_TUNNEL]="TUNNEL",
[TSG_OBJ_FLAG]="FLAG",
[TSG_OBJ_GTP_IMEI]="GTP_IMEI",
[TSG_OBJ_DST_SERVER_FQDN]="SERVER_FQDN",
[TSG_OBJ_INTERNAL_ADDR]="INTERNAL_IP",
[TSG_OBJ_EXTERNAL_ADDR]="EXTERNAL_IP",
[TSG_OBJ_SOURCE_PORT]="SOURCE_PORT",
[TSG_OBJ_DESTINATION_PORT]="DESTINATION_PORT",
[TSG_OBJ_INTERNAL_PORT]="INTERNAL_PORT",
[TSG_OBJ_EXTERNAL_PORT]="EXTERNAL_PORT",
[TSG_OBJ_IP_PROTOCOL]="IP_PROTOCOL",
[TSG_OBJ_SSL_ECH]="SSL_ECH",
[TSG_OBJ_SSL_ESNI]="SSL_ESNI",
[TSG_OBJ_SSL_NO_SNI]="SSL_NO_SNI",
[TSG_OBJ_TUNNEL_LEVEL]="TUNNEL_LEVEL",
[TSG_OBJ_TUNNEL_GTP_ENDPOINT]="TUNNEL_GTP_ENDPOINT",
[TSG_OBJ_TUNNEL_GRE_ENDPOINT]="TUNNEL_GRE_ENDPOINT",
[TSG_OBJ_TUNNEL_IP_IN_IP_ENDPOINT]="TUNNEL_IP_IN_IP_ENDPOINT"
};
enum policy_action
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{
PG_ACTION_NONE = 0,
PG_ACTION_MONIT = 1,
PG_ACTION_INTERCEPT = 2, /* N/A */
PG_ACTION_NO_INTERCEPT = 3,
PG_ACTION_ACTIVE_DEFENCE = 4,
PG_ACTION_WANNAT = 8,
PG_ACTION_REJECT = 16,
PG_ACTION_SHAPING = 32,
PG_ACTION_MANIPULATE = 48,
PG_ACTION_SERVICE_CHAINING=64,
PG_ACTION_WHITELIST = 96,
PX_ACTION_SHUNT = 128,
PG_STATISTICS = 129,
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__PG_ACTION_MAX
};
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enum http_std_field
{
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HTTP_UNKNOWN_FIELD = 0,
HTTP_USER_AGENT,
HTTP_COOKIE,
HTTP_SET_COOKIE,
HTTP_CONT_TYPE,
};
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enum verify_profile_table
{
PROFILE_APP_DI_DICT,
PROFILE_FQDN_ENTRY,
PROFILE_IP_ADDR_ENTRY,
PROFILE_LIBRARY_TAG,
PROFILE_FIELD_DICT,
PROFILE_TABLE_MAX,
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};
struct http_field_name
{
const char * field_name;
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enum http_std_field field_id;
};
/** Nth_scan: Since there is no virtual table name in the request due to IP location and IP protocol,
* the current hit path scan count needs to be recorded to correspond to the virtual table name */
struct library_tag_entry
{
char *uuid;
char *tag_uuid;
int category;
};
struct library_hit_path
{
int table_id;
int entry_num;
int Nth_scan_num;
int Nth_scan[MAX_TAG_ID_NUM];
struct library_tag_entry tag[MAX_TAG_ID_NUM];
};
struct library_scan_path
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{
int ut_array_cnt;
UT_array *ut_array_by_context;
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};
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struct rule_data_ctx
{
int ref_cnt;
int service_id;
unsigned char action;
uuid_t rule_uuid;
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pthread_mutex_t lock;
};
struct app_id_dict
{
int ref_cnt;
int app_id;
uuid_t object_uuid;
pthread_mutex_t lock;
};
enum statistics_option_type
{
STATISTICS_OPTION_NONE=0,
STATISTICS_OPTION_BRIEF,
STATISTICS_OPTION_ELABORATE,
STATISTICS_OPTION_MAX
};
enum category_type
{
CATEGORY_TYPE_UNKNOWN = 0,
CATEGORY_TYPE_GEOIP,
CATEGORY_TYPE_CONTRY_CODE,
CATEGORY_TYPE_ASN,
CATEGORY_TYPE_WEBSITE_CATEGORY,
CATEGORY_TYPE_INTERNET_SERVICE,
CATEGORY_TYPE_SECURITY_THREAT,
CATEGORY_TYPE_RISK,
CATEGORY_TYPE_MAX
};
struct library_entry_ctx
{
int ref_cnt;
char *uuid;
int n_tag_uuids;
char *tag_uuids;
char *tag_uuid_array[MAX_TAG_ID_NUM];
pthread_mutex_t lock;
};
struct library_tag_ctx
{
int ref_cnt;
char *uuid;
char *tag_key;
char *tag_value;
enum category_type category;
enum statistics_option_type option_type;
pthread_mutex_t lock;
};
struct field_dict_ctx
{
int ref_cnt;
char *field_name;
char *object_table_name;
char *available_object_type;
pthread_mutex_t lock;
};
struct policy_scan_ctx
{
int n_read;
int thread_id;
enum policy_action action;
struct maat_state *scan_mid;
struct maat_state *tunnel_scan_mid;
size_t hit_cnt;
struct rule_data_ctx *hit_rules;
struct maat_hit_path hit_path[HIT_PATH_SIZE];
size_t n_enforce;
struct rule_data_ctx *enforce_rules;
int tunnel_attr_count;
uuid_t result[MAX_SCAN_RESULT];
struct library_scan_path scan_path;
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};
struct request_object_list
{
int table_id;
int numeric;
int merge_nth_scan_num;
int merge_nth_scan[MERGE_SCAN_NTH];
char *string;
char *tunnel_type;
char *district_value;
char *field_name;
struct ipaddr *ip_addr;
cJSON *fields;
};
struct verify_policy_query
{
int vsys_id;
int compile_table_id;
int ut_array_cnt;
UT_array *ut_array_by_object;
};
struct verify_policy_rt
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{
int log_level;
int thread_num;
int load_library;
int hit_path_size;
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int compile_table_id[__SCAN_POLICY_MAX];
int plugin_table_id[__SCAN_POLICY_MAX];
int profile_table_id [PROFILE_TABLE_MAX];
int scan_table_id[__TSG_OBJ_MAX];
struct maat *feather[VSYS_ID_MAX];
struct log_handle *local_logger;
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};
struct verify_policy_rt * g_policy_rt;
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#define MAAT_INPUT_JSON 0
#define MAAT_INPUT_REDIS 1
#define MAAT_INPUT_FILE 2
#define BOOLEAN_TRUE_OBJECT_UUID "00000000-0000-0000-0000-000000000002"
#define BOOLEAN_FLASE_OBJECT_UUID "00000000-0000-0000-0000-000000000003"
#define PROTOCOL_ANY_OBJECT_UUID "00000000-0000-0000-0000-000000000004"
#define PROTOCOL_ICMP_OBJECT_UUID "00000000-0000-0000-0000-000000000005"
#define PROTOCOL_TCP_OBJECT_UUID "00000000-0000-0000-0000-000000000006"
#define PROTOCOL_UDP_OBJECT_UUID "00000000-0000-0000-0000-000000000007"
UT_icd ut_ulonglong_id_icd = {sizeof(struct library_hit_path), NULL, NULL, NULL};
void field_dict_free(struct field_dict_ctx *dict_ctx);
const char *get_conjunction_table_name(enum policy_rule_type rule_type)
{
const char *conjunction_table_name_map[] = {"SECURITY_RULE_CONJUNCTION", "PXY_CTRL_RULE_CONJUNCTION", "TRAFFIC_SHAPING_RULE_CONJUNCTION",
"SERVICE_CHAINING_RULE_CONJUNCTION", "PXY_INTERCEPT_RULE_CONJUNCTION","STATISTICS_RULE_CONJUNCTION",
"MONITOR_RULE_CONJUNCTION", "DOS_PROTECTION_RULE_CONJUNCTION", "TUNNEL_RULE_CONJUNCTION"};
size_t table_name_map_len = sizeof(conjunction_table_name_map)/sizeof(conjunction_table_name_map[0]);
if(table_name_map_len < rule_type)
{
rule_type=TSG_TABLE_SECURITY;
log_error(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "invalid policy rule type");
}
return conjunction_table_name_map[rule_type];
}
const char *get_plugin_table_name(enum policy_rule_type rule_type)
{
const char *plugin_table_name_map[] = {"SECURITY_RULE_PLUGIN", "PXY_CTRL_RULE_PLUGIN", "TRAFFIC_SHAPING_RULE_PLUGIN",
"SERVICE_CHAINING_RULE_PLUGIN", "PXY_INTERCEPT_RULE_PLUGIN", "STATISTICS_RULE_PLUGIN",
"MONITOR_RULE_PLUGIN", "DOS_PROTECTION_RULE_PLUGIN", "TUNNEL_RULE_PLUGIN"};
size_t table_name_map_len = sizeof(plugin_table_name_map)/sizeof(plugin_table_name_map[0]);
if(table_name_map_len < rule_type)
{
rule_type=TSG_TABLE_SECURITY;
log_error(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "invalid policy rule type");
}
return plugin_table_name_map[rule_type];
}
unsigned long long int uuid_to_int64(uuid_t uuid)
{
unsigned long long int uuid_int = 0;
for (int i = 0; i < 16; i++) {
uuid_int = (uuid_int << 8) | uuid[i];
}
return uuid_int;
}
int cJSON_AddUuidToObject(cJSON * const object, const char * const name, uuid_t uuid)
{
char uuid_str[UUID_STR_LEN]={0};
uuid_unparse(uuid, uuid_str);
cJSON_AddStringToObject(object, name, uuid_str);
return 1;
}
char *get_table_name(char *field_name, int vsys_id)
{
char *table_name=NULL;
struct field_dict_ctx *dict_ctx =(struct field_dict_ctx *)maat_plugin_table_get_ex_data(g_policy_rt->feather[vsys_id], "FIELD_DICT", (const char *)field_name, strlen(field_name));
if(dict_ctx != NULL)
{
table_name = dict_ctx->object_table_name;
field_dict_free(dict_ctx);
}
return table_name;
}
struct policy_scan_ctx *policy_scan_ctx_new(unsigned int thread_id, int vsys_id, int compile_table_id)
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{
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struct policy_scan_ctx * ctx = ALLOC(struct policy_scan_ctx, 1);
ctx->thread_id = thread_id;
utarray_new(ctx->scan_path.ut_array_by_context, &ut_ulonglong_id_icd);
ctx->scan_mid = maat_state_new(g_policy_rt->feather[vsys_id], thread_id);
maat_state_set_scan_rule_table(ctx->scan_mid, get_conjunction_table_name((enum policy_rule_type)compile_table_id));
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return ctx;
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}
void policy_scan_ctx_free(struct policy_scan_ctx * ctx)
{
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if(ctx->enforce_rules)
FREE(&ctx->enforce_rules);
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if(ctx->hit_rules)
FREE(&ctx->hit_rules);
maat_state_free(ctx->scan_mid);
ctx->scan_mid = NULL;
if(ctx->tunnel_scan_mid)
{
maat_state_free(ctx->tunnel_scan_mid);
ctx->tunnel_scan_mid = NULL;
}
struct library_hit_path *library_entry=NULL;
while ((library_entry=(struct library_hit_path *)utarray_next(ctx->scan_path.ut_array_by_context, library_entry)) != NULL)
{
if(library_entry != NULL)
{
for(int i=0; i < library_entry->entry_num; i++)
{
if(library_entry->tag[i].uuid)
{
free(library_entry->tag[i].uuid);
library_entry->tag[i].uuid=NULL;
}
if(library_entry->tag[i].tag_uuid)
{
free(library_entry->tag[i].tag_uuid);
library_entry->tag[i].tag_uuid=NULL;
}
}
}
}
utarray_free(ctx->scan_path.ut_array_by_context);
FREE(&ctx);
}
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static int policy_action_weight[__PG_ACTION_MAX] = {0};
void __policy_action_weight_init() __attribute__((constructor, used));
void __policy_action_weight_init()
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{
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policy_action_weight[PG_ACTION_NONE] = 0;
policy_action_weight[PG_ACTION_MONIT] = 1;
policy_action_weight[PG_ACTION_INTERCEPT] = 2;
policy_action_weight[PG_ACTION_NO_INTERCEPT] = 3;
policy_action_weight[PG_ACTION_SHAPING] = 4;
policy_action_weight[PG_ACTION_MANIPULATE] = 5;
policy_action_weight[PG_ACTION_SERVICE_CHAINING]=6;
policy_action_weight[PG_ACTION_REJECT] = 7;
policy_action_weight[PG_ACTION_WHITELIST] = 8;
policy_action_weight[PX_ACTION_SHUNT] = 9;
policy_action_weight[PG_STATISTICS] = 10;
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}
static inline int action_cmp(enum policy_action a1, enum policy_action a2)
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{
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return policy_action_weight[a1] - policy_action_weight[a2];
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}
#ifdef INCLUDE_UNUSED_FUNCTIONS
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static char* verify_unescape(char* s)
{
int i=0,j=0;
int len=strlen(s);
for(i=0,j=0;i<len;i++)
{
if(s[i]=='\\')
{
switch(s[i+1])
{
case '&':
s[j]='&';
break;
case 'b':
s[j]=' ';//space,0x20;
break;
case '\\':
s[j]='\\';
break;
default:
s[j]=s[i];
i--; //undo the followed i++
break;
}
i++;
j++;
}
else
{
s[j]=s[i];
j++;
}
}
s[j]='\0';
return s;
}
#endif
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const char *table_name_map[PROFILE_TABLE_MAX] =
{
[PROFILE_APP_DI_DICT]="APP_ID_DICT",
[PROFILE_FQDN_ENTRY]="FQDN_ENTRY",
[PROFILE_IP_ADDR_ENTRY]="IP_ADDR_ENTRY",
[PROFILE_LIBRARY_TAG]="LIBRARY_TAG",
[PROFILE_FIELD_DICT]="FIELD_DICT"
};
int maat_plugin_table_ex_init(int profile_idx, int vsys_id,
maat_ex_new_func_t* new_func,
maat_ex_free_func_t* free_func,
maat_ex_dup_func_t* dup_func)
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{
const char *table_name = table_name_map[profile_idx];
int ret=maat_plugin_table_ex_schema_register(g_policy_rt->feather[vsys_id], table_name, new_func, free_func, dup_func, 0, NULL);
if(ret < 0)
{
log_fatal(g_verify_proxy->logger, MODULE_VERIFY_MATCHER, "Register maat plugin table %s failed.", table_name);
}
return ret;
}
void app_dict_table_new_cb(const char *table_name, const char* key, const char* table_line, void **ad, long argl, void* argp)
{
cJSON* app_id_dict_json = cJSON_Parse(table_line);
if(app_id_dict_json == NULL)
{
log_fatal(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "APP_ID_DICT parse table_line failed. table_line:%s", table_line);
return;
}
struct app_id_dict *app_dict=ALLOC(struct app_id_dict, 1);
cJSON *item = cJSON_GetObjectItem(app_id_dict_json, "app_id");
if(item && item->type==cJSON_Number)
{
app_dict->app_id = item->valueint;
}
item = cJSON_GetObjectItem(app_id_dict_json, "object_uuid");
if(item && item->type==cJSON_String)
{
uuid_parse(item->valuestring, app_dict->object_uuid);
}
cJSON_Delete(app_id_dict_json);
app_dict->ref_cnt=1;
pthread_mutex_init(&(app_dict->lock), NULL);
*ad=app_dict;
return;
}
void app_dict_table_free_cb(const char *table_name, void **ad, long argl, void* argp)
{
if(*ad==NULL)
{
return;
}
struct app_id_dict *app_dict=(struct app_id_dict *)(*ad);
pthread_mutex_lock(&(app_dict->lock));
app_dict->ref_cnt--;
if(app_dict->ref_cnt>0)
{
pthread_mutex_unlock(&(app_dict->lock));
return;
}
pthread_mutex_unlock(&(app_dict->lock));
pthread_mutex_destroy(&(app_dict->lock));
FREE(&app_dict);
*ad=NULL;
return;
}
void app_id_dict_free(struct app_id_dict *app_dict)
{
app_dict_table_free_cb(0, (void **)&app_dict, 0, NULL);
}
void app_dict_table_dup_cb(const char *table_name, void **to, void **from, long argl, void* argp)
{
struct app_id_dict *app_dict=(struct app_id_dict *)(*from);
pthread_mutex_lock(&(app_dict->lock));
app_dict->ref_cnt++;
pthread_mutex_unlock(&(app_dict->lock));
*to=app_dict;
return;
}
int get_tag_id_array(char *tag_ids, char *tag_uuid_array[])
{
if(tag_ids==NULL)
{
return 0;
}
int n_tag_ids=0;
char *tag_ids_tmp = ALLOC(char, strlen(tag_ids)+1);
strcpy(tag_ids_tmp, tag_ids);
char *tag_ids_str=strtok(tag_ids_tmp, ",");
while(tag_ids_str!=NULL && n_tag_ids < MAX_TAG_ID_NUM)
{
tag_uuid_array[n_tag_ids++]=strdup(tag_ids_str);
tag_ids_str=strtok(NULL, ",");
}
FREE(&tag_ids_tmp);
return n_tag_ids;
}
void fqdn_entry_new_cb(const char *table_name, const char* key, const char* table_line, void **ad, long argl, void* argp)
{
cJSON* fqdn_entry_json = cJSON_Parse(table_line);
if(fqdn_entry_json == NULL)
{
log_fatal(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "FQDN_ENTRY parse table_line failed. table_line:%s", table_line);
return;
}
struct library_entry_ctx *entry_ctx=ALLOC(struct library_entry_ctx, 1);
cJSON *item = cJSON_GetObjectItem(fqdn_entry_json, "uuid");
if(item && item->type==cJSON_String)
{
entry_ctx->uuid=strdup(item->valuestring);
}
int n_tag_ids=0;
cJSON *tag_uuids_item = cJSON_GetObjectItem(fqdn_entry_json, "tag_uuids");
entry_ctx->n_tag_uuids=cJSON_GetArraySize(tag_uuids_item);
entry_ctx->tag_uuids = ALLOC(char, entry_ctx->n_tag_uuids*UUID_STR_LEN);
if(entry_ctx->n_tag_uuids>0)
{
for(int i=0; i< entry_ctx->n_tag_uuids; i++)
{
cJSON *tag_uuids_sub=cJSON_GetArrayItem(tag_uuids_item, i);
if(tag_uuids_sub != NULL)
{
entry_ctx->tag_uuid_array[n_tag_ids]=strdup(tag_uuids_sub->valuestring);
n_tag_ids++;
}
strcat(entry_ctx->tag_uuids, tag_uuids_sub->valuestring);
if (i < entry_ctx->n_tag_uuids - 1)
{
strcat(entry_ctx->tag_uuids, ",");
}
}
}
cJSON_Delete(fqdn_entry_json);
entry_ctx->ref_cnt=1;
pthread_mutex_init(&(entry_ctx->lock), NULL);
*ad=entry_ctx;
return;
}
void library_entry_free_cb(const char *table_name, void **ad, long argl, void* argp)
{
if(*ad==NULL)
{
return;
}
struct library_entry_ctx *entry_ctx=(struct library_entry_ctx *)(*ad);
pthread_mutex_lock(&(entry_ctx->lock));
entry_ctx->ref_cnt--;
if(entry_ctx->ref_cnt>0)
{
pthread_mutex_unlock(&(entry_ctx->lock));
return;
}
pthread_mutex_unlock(&(entry_ctx->lock));
pthread_mutex_destroy(&(entry_ctx->lock));
if(entry_ctx->uuid)
{
FREE(&entry_ctx->uuid);
}
if(entry_ctx->tag_uuids)
{
FREE(&entry_ctx->tag_uuids);
}
for(int i=0; i<entry_ctx->n_tag_uuids; i++)
{
if(entry_ctx->tag_uuid_array[i])
{
FREE(&entry_ctx->tag_uuid_array[i]);
}
}
FREE(&entry_ctx);
*ad=NULL;
return;
}
void library_entry_free(struct library_entry_ctx *entry_ctx)
{
library_entry_free_cb(0, (void **)&entry_ctx, 0, NULL);
}
void library_entry_dup_cb(const char *table_name, void **to, void **from, long argl, void* argp)
{
struct library_entry_ctx *entry_ctx=(struct library_entry_ctx *)(*from);
pthread_mutex_lock(&(entry_ctx->lock));
entry_ctx->ref_cnt++;
pthread_mutex_unlock(&(entry_ctx->lock));
*to=entry_ctx;
}
int get_statistics_option_type_str2idx(const char *statistics_option_type)
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{
size_t i = 0;
const char *statistics_option_name[] = {"none", "brief", "elaborate"};
for (i = 0; i < sizeof(statistics_option_name) / sizeof(const char *); i++)
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{
if (0 == strcasecmp(statistics_option_type, statistics_option_name[i]))
break;
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}
return i;
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}
int get_category_type_str2idx(const char *category)
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{
size_t i = 0;
const char *category_name[] = {"unknown", "geoip", "country_code", "asn", "website_category", "internet_service", "security_threat", "compliance_risk"};
for (i = 0; i < sizeof(category_name) / sizeof(const char *); i++)
{
if (0 == strcasecmp(category, category_name[i]))
break;
}
return i;
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}
void library_tag_new_cb(const char *table_name, const char* key, const char* table_line, void **ad, long argl, void* argp)
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{
cJSON* library_tag_json = cJSON_Parse(table_line);
if(library_tag_json == NULL)
{
log_fatal(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "LIBRARY_TAG parse table_line failed. table_line:%s", table_line);
return;
}
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struct library_tag_ctx *tag_ctx = ALLOC(struct library_tag_ctx, 1);
cJSON *item = cJSON_GetObjectItem(library_tag_json, "uuid");
if(item && item->type==cJSON_String)
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{
tag_ctx->uuid=strdup(item->valuestring);
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}
item = cJSON_GetObjectItem(library_tag_json, "statistics_option");
if(item && item->type==cJSON_String)
{
tag_ctx->option_type=(enum statistics_option_type)get_statistics_option_type_str2idx(item->valuestring);
}
item = cJSON_GetObjectItem(library_tag_json, "category");
if(item && item->type==cJSON_String)
{
tag_ctx->category=(enum category_type)get_category_type_str2idx(item->valuestring);
}
item = cJSON_GetObjectItem(library_tag_json, "tag_key");
if(item && item->type==cJSON_String)
{
tag_ctx->tag_key=strdup(item->valuestring);
}
item = cJSON_GetObjectItem(library_tag_json, "tag_value");
if(item && item->type==cJSON_String)
{
tag_ctx->tag_value=strdup(item->valuestring);
}
tag_ctx->ref_cnt=1;
pthread_mutex_init(&(tag_ctx->lock), NULL);
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cJSON_Delete(library_tag_json);
*ad=tag_ctx;
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return;
}
void library_tag_free_cb(const char *table_name, void **ad, long argl, void* argp)
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{
if(*ad==NULL)
{
return;
}
struct library_tag_ctx *tag_ctx=(struct library_tag_ctx *)(*ad);
pthread_mutex_lock(&(tag_ctx->lock));
tag_ctx->ref_cnt--;
if(tag_ctx->ref_cnt>0)
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{
pthread_mutex_unlock(&(tag_ctx->lock));
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return;
}
pthread_mutex_unlock(&(tag_ctx->lock));
pthread_mutex_destroy(&(tag_ctx->lock));
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if(tag_ctx->tag_key)
{
FREE(&tag_ctx->tag_key);
}
if(tag_ctx->tag_value)
{
FREE(&tag_ctx->tag_value);
}
if(tag_ctx->uuid)
{
FREE(&tag_ctx->uuid);
}
FREE(&tag_ctx);
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*ad=NULL;
return;
}
void library_tag_dup_cb(const char *table_name, void **to, void **from, long argl, void* argp)
{
struct library_tag_ctx *tag_ctx=(struct library_tag_ctx *)(*from);
pthread_mutex_lock(&(tag_ctx->lock));
tag_ctx->ref_cnt++;
pthread_mutex_unlock(&(tag_ctx->lock));
*to=tag_ctx;
return;
}
void library_tag_free(struct library_tag_ctx *tag_ctx)
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{
library_tag_free_cb(0, (void **)&tag_ctx, 0, NULL);
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}
void field_dict_new_cb(const char *table_name, const char* key, const char* table_line, void **ad, long argl, void* argp)
{
cJSON* field_dict_json = cJSON_Parse(table_line);
if(field_dict_json == NULL)
{
log_fatal(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "FIELD_DICT parse table_line failed. table_line:%s", table_line);
return;
}
struct field_dict_ctx *dict_ctx= ALLOC(struct field_dict_ctx, 1);
cJSON *field_name = cJSON_GetObjectItem(field_dict_json, "field_name");
if(field_name && field_name->type==cJSON_String)
{
dict_ctx->field_name=strdup(field_name->valuestring);
}
cJSON *object_table_name = cJSON_GetObjectItem(field_dict_json, "object_table_name");
if(object_table_name && object_table_name->type==cJSON_String)
{
dict_ctx->object_table_name=strdup(object_table_name->valuestring);
}
cJSON *available_object_type = cJSON_GetObjectItem(field_dict_json, "available_object_type");
if(available_object_type && available_object_type->type==cJSON_String)
{
dict_ctx->available_object_type=strdup(available_object_type->valuestring);
}
dict_ctx->ref_cnt=1;
pthread_mutex_init(&(dict_ctx->lock), NULL);
cJSON_Delete(field_dict_json);
*ad=dict_ctx;
return;
}
void field_dict_dup_cb(const char *table_name, void **to, void **from, long argl, void* argp)
{
struct field_dict_ctx *dict_ctx=(struct field_dict_ctx *)(*from);
pthread_mutex_lock(&(dict_ctx->lock));
dict_ctx->ref_cnt++;
pthread_mutex_unlock(&(dict_ctx->lock));
*to=dict_ctx;
return;
}
void field_dict_free_cb(const char *table_name, void **ad, long argl, void* argp)
{
if(*ad==NULL)
{
return;
}
struct field_dict_ctx *dict_ctx=(struct field_dict_ctx *)(*ad);
pthread_mutex_lock(&(dict_ctx->lock));
dict_ctx->ref_cnt--;
if(dict_ctx->ref_cnt>0)
{
pthread_mutex_unlock(&(dict_ctx->lock));
return;
}
pthread_mutex_unlock(&(dict_ctx->lock));
pthread_mutex_destroy(&(dict_ctx->lock));
if(dict_ctx->field_name)
{
FREE(&dict_ctx->field_name);
}
if(dict_ctx->field_name)
{
FREE(&dict_ctx->object_table_name);
}
if(dict_ctx->available_object_type)
{
FREE(&dict_ctx->available_object_type);
}
FREE(&dict_ctx);
*ad=NULL;
return;
}
void field_dict_free(struct field_dict_ctx *dict_ctx)
{
field_dict_free_cb(0, (void **)&dict_ctx, 0, NULL);
}
unsigned char action_type_str2idx(const char *action_str)
{
const char *action_name[__PG_ACTION_MAX]={0};
action_name[PG_ACTION_NONE] = "none";
action_name[PG_ACTION_MONIT] = "monitor";
action_name[PG_ACTION_INTERCEPT] = "intercept";
action_name[PG_ACTION_NO_INTERCEPT] = "no_intercept";
action_name[PG_ACTION_ACTIVE_DEFENCE] = "active_defence";
action_name[PG_ACTION_WANNAT] = "wannat";
action_name[PG_ACTION_REJECT] = "deny";
action_name[PG_ACTION_SHAPING] = "shaping";
action_name[PG_ACTION_MANIPULATE] = "manipulate";
action_name[PG_ACTION_SERVICE_CHAINING] = "service_chaining";
action_name[PG_ACTION_WHITELIST] = "allow";
action_name[PX_ACTION_SHUNT] = "shunt";
action_name[PG_STATISTICS] = "statistics";
int action = PG_ACTION_MANIPULATE;
for ( action = PG_ACTION_NONE; action < __PG_ACTION_MAX; action++)
{
if (action_name[action] != NULL && 0 == strcasecmp(action_str, action_name[action]))
break;
}
return action;
}
void compile_table_new_cb(const char *table_name, const char* key, const char* table_line, void **ad, long argl, void* argp)
{
cJSON* policy_rule_json = cJSON_Parse(table_line);
if(policy_rule_json == NULL)
{
log_fatal(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "%s parse table_line failed. table_line:%s", table_name, table_line);
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return;
}
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struct rule_data_ctx *rule_ctx=ALLOC(struct rule_data_ctx, 1);
cJSON *item = cJSON_GetObjectItem(policy_rule_json, "uuid");
if(item && item->type==cJSON_String)
{
uuid_parse(item->valuestring, rule_ctx->rule_uuid);
}
item = cJSON_GetObjectItem(policy_rule_json, "action");
if(item && item->type==cJSON_String)
{
rule_ctx->action=action_type_str2idx(item->valuestring);
}
item = cJSON_GetObjectItem(policy_rule_json, "service");
if(item && item->type==cJSON_Number)
{
rule_ctx->service_id=item->valueint;
}
cJSON_Delete(policy_rule_json);
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rule_ctx->ref_cnt=1;
pthread_mutex_init(&(rule_ctx->lock), NULL);
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*ad = rule_ctx;
}
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void compile_free_data(const char *table_name, void **ad, long argl, void* argp)
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{
if(*ad==NULL)
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{
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return;
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}
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struct rule_data_ctx *rule_ctx=(struct rule_data_ctx *)(*ad);
pthread_mutex_lock(&(rule_ctx->lock));
rule_ctx->ref_cnt--;
if(rule_ctx->ref_cnt>0)
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{
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pthread_mutex_unlock(&(rule_ctx->lock));
return;
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}
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pthread_mutex_unlock(&(rule_ctx->lock));
pthread_mutex_destroy(&(rule_ctx->lock));
FREE(&rule_ctx);
*ad=NULL;
return;
}
void compile_free(struct rule_data_ctx *compile_ctx)
{
compile_free_data(0, (void **)&compile_ctx, 0, NULL);
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}
void compile_dup_data(const char *table_name, void **to, void **from, long argl, void *argp)
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{
struct rule_data_ctx *rule_ctx=(struct rule_data_ctx *)(*from);
pthread_mutex_lock(&(rule_ctx->lock));
rule_ctx->ref_cnt++;
pthread_mutex_unlock(&(rule_ctx->lock));
*to=rule_ctx;
return;
}
static inline int multiple_hit_actions(enum policy_action __action)
{
if (__action == PG_ACTION_MONIT || __action == PG_ACTION_SHAPING || __action == PG_ACTION_SERVICE_CHAINING || __action == PG_STATISTICS)
{
return 1;
}
else
{
return 0;
}
}
static enum policy_action decide_policy_action(int vsys_id, int compile_table_id, uuid_t *results, size_t n_hit,
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struct rule_data_ctx ** enforce_rules, size_t * n_enforce, struct rule_data_ctx **hit_rules)
{
size_t n_monit = 0, exist_enforce_num = 0, i = 0;
enum policy_action prior_action = PG_ACTION_NONE;
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struct rule_data_ctx *rule_ctx=NULL;
struct rule_data_ctx *hit_rules_ex=NULL;
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if(n_hit < 0)
{
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return prior_action;
}
char result_uuid_str[UUID_STR_LEN]={0};
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hit_rules_ex=ALLOC(struct rule_data_ctx, n_hit);
for (i = 0; i < n_hit && i<MAX_SCAN_RESULT; i++)
{
uuid_unparse(results[i], result_uuid_str);
rule_ctx =(struct rule_data_ctx *)maat_plugin_table_get_ex_data(g_policy_rt->feather[vsys_id], get_plugin_table_name((enum policy_rule_type)compile_table_id), (const char *)result_uuid_str, strlen(result_uuid_str));
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if(!rule_ctx)
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{
continue;
}
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memcpy(hit_rules_ex+i, rule_ctx, sizeof(struct rule_data_ctx));
compile_free(rule_ctx);
}
*hit_rules=hit_rules_ex;
const struct rule_data_ctx * prior_rule = hit_rules_ex;
struct rule_data_ctx monit_rule[n_hit];
for (i = 0; i < n_hit && i<MAX_SCAN_RESULT; i++)
{
unsigned char __expand_action = (unsigned char) hit_rules_ex[i].action;
enum policy_action __action = (enum policy_action) __expand_action;
if (multiple_hit_actions(__action))
{
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memcpy(monit_rule + n_monit, hit_rules_ex + i, sizeof(struct rule_data_ctx));
n_monit++;
}
if (action_cmp(__action, prior_action) > 0)
{
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prior_rule = hit_rules_ex + i;
prior_action = __action;
}
else if (action_cmp(__action, prior_action) == 0)
{
if(uuid_compare(hit_rules_ex[i].rule_uuid, prior_rule->rule_uuid) > 0)
{
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prior_rule = hit_rules_ex + i;
}
}
else
{
continue;
}
}
if(compile_table_id == TSG_TABLE_SECURITY && prior_action == PX_ACTION_SHUNT)
{
if(*n_enforce==0)
{
*enforce_rules=ALLOC(struct rule_data_ctx, 1);
}
*enforce_rules[0]=*prior_rule;
*n_enforce=1;
return PX_ACTION_SHUNT;
}
if(compile_table_id != TSG_TABLE_SECURITY && prior_action == PG_ACTION_WHITELIST)
{
if(*n_enforce==0)
{
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*enforce_rules=ALLOC(struct rule_data_ctx, 1);
}
*enforce_rules[0]=*prior_rule;
*n_enforce=1;
return PG_ACTION_WHITELIST;
}
exist_enforce_num = *n_enforce;
if (multiple_hit_actions(prior_action))
{
*n_enforce += n_monit;
}
else
{
*n_enforce += n_monit + 1;
}
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*enforce_rules = (struct rule_data_ctx *) realloc(*enforce_rules, sizeof(struct rule_data_ctx ) * (*n_enforce));
if (multiple_hit_actions(prior_action))
{
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memcpy(*enforce_rules + exist_enforce_num, monit_rule, n_monit * sizeof(struct rule_data_ctx ));
}
else
{
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memmove(*enforce_rules+1, *enforce_rules, exist_enforce_num*sizeof(struct rule_data_ctx ));
memcpy(*enforce_rules, prior_rule, sizeof(struct rule_data_ctx ));
memcpy(*enforce_rules + exist_enforce_num + 1, monit_rule, n_monit * sizeof(struct rule_data_ctx ));
}
return prior_action;
}
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static inline int request_in_fqdn_cat(int table_id)
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{
if( table_id==TSG_OBJ_SSL_CN || table_id==TSG_OBJ_SSL_SAN
|| table_id==TSG_OBJ_DNS_QNAME || table_id==TSG_OBJ_DOH_QNAME || table_id==TSG_OBJ_DST_SERVER_FQDN)
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{
return 1;
}
else
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{
return 0;
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}
}
void add_tag_ids_to_hit_paths(cJSON *hitPaths, int table_id, struct library_scan_path *ip_ctx)
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{
cJSON *histObj=NULL;
struct library_hit_path *ip_entry=NULL;
while ((ip_entry=(struct library_hit_path *)utarray_next(ip_ctx->ut_array_by_context, ip_entry)) != NULL)
{
if(ip_entry->table_id == table_id)
{
for(int i=0; i < ip_entry->entry_num; i++)
{
histObj=cJSON_CreateObject();
cJSON_AddItemToArray(hitPaths, histObj);
cJSON_AddStringToObject(histObj, "entry_uuid", ip_entry->tag[i].uuid);
cJSON_AddStringToObject(histObj, "tag_uuid", ip_entry->tag[i].tag_uuid);
}
}
}
return;
}
/*In the case of multiple hits, the hit path is append behavior to obtain the last hit path force***/
int http_hit_policy_match(uuid_t result_config[], int cnt, uuid_t config)
{
int i = 0;
for(i=0; i<cnt; i++)
{
if(uuid_compare(result_config[i], config) == 0)
{
return 1;
}
}
return 0;
}
int hit_rule_match_is_duplicate(struct maat_hit_path *src, struct maat_hit_path dest, int result_cnt)
{
for(int i = 0; i < result_cnt; i++)
{
if(uuid_compare(src[i].top_object_uuid, dest.top_object_uuid) == 0)
{
return 1;
}
}
return 0;
}
cJSON *get_tunnel_endpoint_field(cJSON *fields)
{
cJSON *item=NULL, *subchild=NULL;
for (item = fields->child; item != NULL; item = item->next)
{
subchild = cJSON_GetObjectItem(item, "field_name");
if(subchild && subchild->type==cJSON_String && strncasecmp(subchild->valuestring, "tunnel_endpoint_object", 22) == 0)
{
return item;
}
}
return NULL;
}
int hit_object_exists_by_ids(cJSON* hitPaths, uuid_t item_id, uuid_t superior_object_id)
{
cJSON *hitsObj=NULL;
uuid_t item_valuestring_uuid, superiorId_valuestring_uuid;
/*In cases of multiple hits, although the compile_id is inconsistent, the item_id and superior_object_id remain consistent.**/
/*For tunnel_endpointa if hit non and tunnel_endpointb hit not logic the same nth_scan record will exist **/
for(hitsObj = hitPaths->child; hitsObj != NULL; hitsObj = hitsObj->next)
{
cJSON *itemId = cJSON_GetObjectItem(hitsObj, "item_uuid");
cJSON *superiorId = cJSON_GetObjectItem(hitsObj, "superior_object_uuid");
if(itemId==NULL || superiorId==NULL)
{
continue;
}
uuid_clear(item_valuestring_uuid);
uuid_parse(itemId->valuestring, item_valuestring_uuid);
uuid_clear(superiorId_valuestring_uuid);
uuid_parse(superiorId->valuestring, superiorId_valuestring_uuid);
if((uuid_compare(item_valuestring_uuid, item_id) == 0) && (uuid_compare(superiorId_valuestring_uuid, superior_object_id)==0))
{
return 1;
}
}
return 0;
}
void http_get_scan_status(struct request_object_list *request_object, int compile_table_id, cJSON *fields, struct policy_scan_ctx * ctx)
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{
int i=0, j=0;
cJSON *fieldObj=NULL;
fieldObj=request_object->fields;
if(request_object->table_id == TSG_OBJ_TUNNEL)
{
cJSON_Delete(fieldObj);
fieldObj=NULL;
fieldObj = get_tunnel_endpoint_field(fields);
if(fieldObj == NULL)
{
fieldObj = cJSON_CreateObject();
cJSON_AddStringToObject(fieldObj, "field_value_type", "ip");
cJSON_AddStringToObject(fieldObj, "field_name", "tunnel_endpoint_object");
}
}
cJSON* hitPaths = cJSON_GetObjectItem(fieldObj, "hit_paths");
if(hitPaths != NULL && hitPaths->type != cJSON_Array)
{
cJSON_DeleteItemFromObject(fieldObj, "hit_paths");
hitPaths=NULL;
}
if (hitPaths == NULL)
{
cJSON_AddItemToArray(fields, fieldObj);
hitPaths = cJSON_CreateArray();
cJSON_AddItemToObject(fieldObj, "hit_paths", hitPaths);
}
add_tag_ids_to_hit_paths(hitPaths, request_object->table_id, &ctx->scan_path);
cJSON *histObj=NULL;
for(i=0; i< ctx->n_read; i++)
{
for(j=0; j<=request_object->merge_nth_scan_num; j++)
{
if (request_object->merge_nth_scan[j] == ctx->hit_path[i].Nth_scan)
{
if(uuid_is_null(ctx->hit_path[i].top_object_uuid) == 1)
{
uuid_copy(ctx->hit_path[i].top_object_uuid, ctx->hit_path[i].sub_object_uuid);
}
if(hit_object_exists_by_ids(hitPaths, ctx->hit_path[i].item_uuid, ctx->hit_path[i].top_object_uuid))
{
break;
}
if( ctx->hit_path[i].negate_option == 1)
{
continue;
}
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histObj=cJSON_CreateObject();
cJSON_AddItemToArray(hitPaths, histObj);
cJSON_AddUuidToObject(histObj, "item_uuid", ctx->hit_path[i].item_uuid);
cJSON_AddUuidToObject(histObj, "superior_object_uuid", ctx->hit_path[i].top_object_uuid);
break;
}
}
}
}
int policy_verify_regex_expression(const char *expression)
{
return maat_helper_verify_regex_expression(expression);
}
int get_ip_addr_table_name(struct library_scan_path *ip_ctx, int Nth_scan, int top_group_id, cJSON *topObject)
{
const char * table_name[__TSG_OBJ_MAX] = {0};
table_name[TSG_OBJ_SOURCE_ADDR] = "SOURCE_IP";
table_name[TSG_OBJ_DESTINATION_ADDR] = "DESTINATION_IP";
table_name[TSG_OBJ_INTERNAL_ADDR]="INTERNAL_IP";
table_name[TSG_OBJ_EXTERNAL_ADDR]="EXTERNAL_IP";
struct library_hit_path *ip_entry=NULL;
while ((ip_entry=(struct library_hit_path *)utarray_next(ip_ctx->ut_array_by_context, ip_entry)) != NULL)
{
for(int i = 0; i < ip_entry->Nth_scan_num; i++)
{
if(ip_entry->Nth_scan[i] == Nth_scan)
{
cJSON_AddNumberToObject(topObject, "tag_id", top_group_id);
cJSON_AddStringToObject(topObject, "table_name", table_name[ip_entry->table_id]);
return 1;
}
}
}
return 0;
}
const char *get_library_virtual_table_name(int table_id)
{
const char * table_name[__TSG_OBJ_MAX] = {0};
table_name[TSG_OBJ_SOURCE_ADDR] = "SOURCE_IP";
table_name[TSG_OBJ_DESTINATION_ADDR] = "DESTINATION_IP";
table_name[TSG_OBJ_INTERNAL_ADDR]="INTERNAL_IP";
table_name[TSG_OBJ_EXTERNAL_ADDR]="EXTERNAL_IP";
table_name[TSG_OBJ_SSL_CN]="SERVER_FQDN";
table_name[TSG_OBJ_SSL_SAN]="SERVER_FQDN";
table_name[TSG_OBJ_DNS_QNAME]="SERVER_FQDN";
table_name[TSG_OBJ_DOH_QNAME]="SERVER_FQDN";
table_name[TSG_OBJ_DST_SERVER_FQDN]="SERVER_FQDN";
return table_name[table_id];
}
int add_tags_table_name(struct library_scan_path *ip_ctx, int Nth_scan, uuid_t top_object_uuid, cJSON *topObject)
{
struct library_hit_path *ip_entry=NULL;
while ((ip_entry=(struct library_hit_path *)utarray_next(ip_ctx->ut_array_by_context, ip_entry)) != NULL)
{
for(int i = 0; i < ip_entry->Nth_scan_num; i++)
{
if(ip_entry->Nth_scan[i] == Nth_scan)
{
char tag_uuid_str[UUID_STR_LEN]={0};
uuid_unparse(top_object_uuid, tag_uuid_str);
cJSON_AddStringToObject(topObject, "tag_uuid", tag_uuid_str);
cJSON_AddStringToObject(topObject, "field_name", get_library_virtual_table_name(ip_entry->table_id));
goto finish;
}
}
}
finish:
return 0;
}
int add_object_table_name(UT_array *ut_array_by_object, int Nth_scan, uuid_t top_object_uuid, cJSON *topObject)
{
char object_uuid_str[UUID_STR_LEN]={0};
cJSON *fieldObj=NULL, *subchild=NULL;
struct request_object_list *request_object=NULL;
/*The priority of the tag is higher than that of the object_id.**/
cJSON *tag_id = cJSON_GetObjectItem(topObject, "tag_uuid");
if(tag_id != NULL)
{
goto finish;
}
uuid_unparse(top_object_uuid, object_uuid_str);
cJSON_AddStringToObject(topObject, "object_uuid", object_uuid_str);
while ((request_object=(struct request_object_list *)utarray_next(ut_array_by_object, request_object)) != NULL)
{
for(int j=0; j<= request_object->merge_nth_scan_num; j++)
{
if (request_object->merge_nth_scan[j] == Nth_scan)
{
fieldObj=request_object->fields;
subchild = cJSON_GetObjectItem(fieldObj, "field_name");
if(subchild && subchild->type==cJSON_String)
{
cJSON_AddStringToObject(topObject, "field_name", subchild->valuestring);
}
goto finish;
}
}
}
finish:
return 0;
}
int http_hit_policy_list(struct verify_policy_query *verify_policy, size_t hit_cnt, cJSON *data_obj, struct policy_scan_ctx *ctx)
{
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bool succeeded = false;
size_t rules=0, i=0,j=0;
uuid_t result_rule_uuid[MAX_SCAN_RESULT]={0};
int vsys_id = verify_policy->vsys_id;
int compile_table_id = verify_policy->compile_table_id;
if (hit_cnt <= 0)
{
return 0;
}
ctx->hit_cnt = hit_cnt > MAX_SCAN_RESULT ? MAX_SCAN_RESULT : hit_cnt;
ctx->action = decide_policy_action(vsys_id, compile_table_id, ctx->result, hit_cnt, &ctx->enforce_rules, &ctx->n_enforce, &ctx->hit_rules);
ctx->hit_cnt = hit_cnt;
cJSON *hit_obj=NULL, *policy_obj=NULL;
cJSON *topObjectList=NULL, *topObject=NULL;
hit_obj=cJSON_CreateArray();
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cJSON_AddItemToObject(data_obj, "hit_rules", hit_obj);
if (ctx->hit_cnt >= 1)
{
for (i = 0; i < ctx->hit_cnt; i++)
{
if(http_hit_policy_match(result_rule_uuid, i, ctx->hit_rules[i].rule_uuid))
{
continue;
}
succeeded = false;
policy_obj=cJSON_CreateObject();
char rule_uuid_str[UUID_STR_LEN]={0};
uuid_unparse(ctx->hit_rules[i].rule_uuid, rule_uuid_str);
cJSON_AddStringToObject(policy_obj, "uuid", rule_uuid_str);
cJSON_AddStringToObject(policy_obj, "policyName", "");
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for (rules = 0; rules < ctx->n_enforce; rules++)
{
if(uuid_compare(ctx->enforce_rules[rules].rule_uuid, ctx->hit_rules[i].rule_uuid) == 0)
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{
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cJSON_AddBoolToObject(policy_obj, "is_execute", true);
succeeded = true;
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}
}
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if (succeeded == false)
{
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cJSON_AddBoolToObject(policy_obj, "is_execute", false);
}
cJSON_AddItemToArray(hit_obj, policy_obj);
uuid_copy(result_rule_uuid[i], ctx->hit_rules[i].rule_uuid);
struct maat_hit_path result_hit_path[MAX_SCAN_RESULT]={0}; int result_cnt=0;
topObjectList=cJSON_CreateArray();
cJSON_AddItemToObject(policy_obj, "top_object_list", topObjectList);
for(j=0; j<=(size_t)ctx->n_read; j++)
{
if(uuid_is_null(ctx->hit_path[j].rule_uuid) != 1 && uuid_compare(ctx->hit_path[j].rule_uuid,ctx->hit_rules[i].rule_uuid)==0)
{
if(hit_rule_match_is_duplicate(result_hit_path, ctx->hit_path[j], result_cnt))
{
continue;
}
else
{
memcpy(&result_hit_path[result_cnt], &ctx->hit_path[j], sizeof(struct maat_hit_path));
result_cnt++;
}
topObject=cJSON_CreateObject();
add_tags_table_name(&ctx->scan_path, ctx->hit_path[j].Nth_scan, ctx->hit_path[j].top_object_uuid, topObject);
add_object_table_name(verify_policy->ut_array_by_object, ctx->hit_path[j].Nth_scan, ctx->hit_path[j].top_object_uuid, topObject);
cJSON_AddNumberToObject(topObject, "negate_option", ctx->hit_path[j].negate_option);
cJSON_AddNumberToObject(topObject, "condition_index", ctx->hit_path[j].condition_index);
cJSON_AddItemToArray(topObjectList, topObject);
}
}
}
}
return 0;
}
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int ip_addr_to_address(struct ipaddr *ip_addr, struct ip_addr *dest_ip, struct ip_addr *source_ip)
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{
if(ip_addr==NULL) return -1;
if (ip_addr->addrtype == ADDR_TYPE_IPV4)
{
struct stream_tuple4_v4 *v4_addr = (struct stream_tuple4_v4 *)ip_addr->v4;
source_ip->ip_type=4;
source_ip->ipv4=v4_addr->saddr;
dest_ip->ip_type=4;
dest_ip->ipv4=v4_addr->daddr;
}
if (ip_addr->addrtype == ADDR_TYPE_IPV6)
{
struct stream_tuple4_v6 *v6_addr = (struct stream_tuple4_v6 *)ip_addr->v6;
source_ip->ip_type=6;
memcpy((char *)(source_ip->ipv6), v6_addr->saddr, IPV6_ADDR_LEN);
dest_ip->ip_type=6;
memcpy((char *)(dest_ip->ipv6),v6_addr->daddr, IPV6_ADDR_LEN);
}
return 0;
}
static int scan_object(struct policy_scan_ctx *ctx, int vsys_id, int hit_cnt, char *object_uuid_str, const char *table_name, const char *field_name, int not_logic)
2020-06-24 16:36:16 +08:00
{
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size_t n_hit_result=0;
uuid_t objects_uuid;
int scan_ret=0, hit_cnt_group=0;
struct maat_hit_object objects;
memset(&objects, 0, sizeof(objects));
uuid_parse(object_uuid_str, objects_uuid);
uuid_copy(objects.object_uuid, objects_uuid);
scan_ret = maat_scan_object(g_policy_rt->feather[vsys_id], table_name, field_name, &objects, 1,
ctx->result+hit_cnt+hit_cnt_group, MAX_SCAN_RESULT-hit_cnt-hit_cnt_group, &n_hit_result, ctx->scan_mid);
if(scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_group+=n_hit_result;
}
if(not_logic)
{
scan_ret = maat_scan_not_logic(g_policy_rt->feather[vsys_id], table_name, field_name, ctx->result+hit_cnt+hit_cnt_group,
MAX_SCAN_RESULT-hit_cnt-hit_cnt_group, &n_hit_result, ctx->scan_mid);
if (scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_group+=n_hit_result;
}
}
return hit_cnt_group;
}
int get_fqdn_entry_tag_ids(cJSON *hit_library, int vsys_id, const char *fqdn)
{
int ret=0, hit_fqdn_entry=0;
cJSON *fqdn_entry_item=NULL;
if(fqdn == NULL)
{
return 0;
}
log_info(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "[I] fqdn=%s", fqdn);
struct library_entry_ctx *entry_ctx[MAX_EX_DATA_LEN]={0};
ret=maat_fqdn_plugin_table_get_ex_data(g_policy_rt->feather[vsys_id], "FQDN_ENTRY", fqdn, (void **)entry_ctx, MAX_EX_DATA_LEN);
for(int i=0; i < ret && i < MAX_EX_DATA_LEN; i++)
{
fqdn_entry_item=cJSON_CreateObject();
cJSON_AddStringToObject(fqdn_entry_item, "tag_uuids", entry_ctx[i]->tag_uuids);
cJSON_AddItemToArray(hit_library, fqdn_entry_item);
hit_fqdn_entry++;
library_entry_free(entry_ctx[i]);
}
return hit_fqdn_entry;
}
int get_ip_entry_tag_ids(cJSON *hit_library, int vsys_id, struct ipaddr *ip_addr)
{
int ret=0, hit_ip_entry=0;
cJSON *ip_entry_item=NULL;
if(ip_addr == NULL)
{
return 0;
}
struct ip_addr dest_ip, source_ip;
ip_addr_to_address(ip_addr, &dest_ip, &source_ip);
struct library_entry_ctx *entry_ctx[MAX_EX_DATA_LEN]={0};
ret = maat_ip_plugin_table_get_ex_data(g_policy_rt->feather[vsys_id], "IP_ADDR_ENTRY", &source_ip, (void **)&entry_ctx, MAX_EX_DATA_LEN);
for(int i=0; i < ret && i < MAX_EX_DATA_LEN; i++)
{
ip_entry_item=cJSON_CreateObject();
cJSON_AddStringToObject(ip_entry_item, "tag_uuids", entry_ctx[i]->tag_uuids);
cJSON_AddItemToArray(hit_library, ip_entry_item);
hit_ip_entry++;
library_entry_free(entry_ctx[i]);
}
return hit_ip_entry;
}
enum category_type get_library_tag_category(char *tag_uuid, int vsys_id)
{
struct library_tag_ctx *tag_ctx =(struct library_tag_ctx *)maat_plugin_table_get_ex_data(g_policy_rt->feather[vsys_id], "LIBRARY_TAG", (const char *)tag_uuid, strlen(tag_uuid));
if(tag_ctx != NULL)
{
enum category_type category = tag_ctx->category;
library_tag_free(tag_ctx);
return category;
}
return CATEGORY_TYPE_UNKNOWN;
}
int ip_entry_scan(struct request_object_list *request, struct policy_scan_ctx *ctx, int vsys_id, int hit_cnt)
{
2020-06-24 16:36:16 +08:00
int scan_ret=0, hit_cnt_ip=0;
struct maat_hit_path hit_path[HIT_PATH_SIZE];
struct library_entry_ctx *source_ip_entry[MAX_EX_DATA_LEN]={0};
struct library_entry_ctx *destination_ip_entry[MAX_EX_DATA_LEN]={0};
2020-06-24 16:36:16 +08:00
struct ip_addr dip, sip;
ip_addr_to_address(request->ip_addr, &dip, &sip);
2020-06-24 16:36:16 +08:00
memset(hit_path, 0, sizeof(struct maat_hit_path)*HIT_PATH_SIZE);
int ret1=0, ret2=0;
if(request->table_id == TSG_OBJ_SOURCE_ADDR || request->table_id == TSG_OBJ_INTERNAL_ADDR)
{
ret1 = maat_ip_plugin_table_get_ex_data(g_policy_rt->feather[vsys_id], "IP_ADDR_ENTRY", &sip, (void **)&source_ip_entry, MAX_EX_DATA_LEN);
}
if(request->table_id == TSG_OBJ_DESTINATION_ADDR || request->table_id == TSG_OBJ_EXTERNAL_ADDR)
{
ret2 = maat_ip_plugin_table_get_ex_data(g_policy_rt->feather[vsys_id], "IP_ADDR_ENTRY", &dip, (void **)&destination_ip_entry, MAX_EX_DATA_LEN);
}
struct library_hit_path ip_entry;
memset(&ip_entry, 0, sizeof(ip_entry));
2020-06-24 16:36:16 +08:00
if(ret1 > 0)
2020-06-24 16:36:16 +08:00
{
for(int i=0; i < ret1 && i < MAX_EX_DATA_LEN; i++)
{
if(source_ip_entry[i] == NULL)
{
continue;
}
for(int tag_id=0; tag_id<source_ip_entry[i]->n_tag_uuids; tag_id++)
{
scan_ret = scan_object(ctx, vsys_id, hit_cnt, source_ip_entry[i]->tag_uuid_array[tag_id], "TSG_OBJ_IP_ADDR", request->field_name, 0);
if(scan_ret > 0)
{
hit_cnt_ip+=scan_ret;
}
2020-06-24 16:36:16 +08:00
ip_entry.table_id = request->table_id;
ip_entry.tag[ip_entry.entry_num].uuid = strdup(source_ip_entry[i]->uuid);
ip_entry.tag[ip_entry.entry_num].tag_uuid = strdup(source_ip_entry[i]->tag_uuid_array[tag_id]);
ip_entry.tag[ip_entry.entry_num].category = get_library_tag_category(source_ip_entry[i]->tag_uuid_array[tag_id], vsys_id);
ip_entry.entry_num++;
2020-06-24 16:36:16 +08:00
ctx->n_read=maat_state_get_hit_paths(ctx->scan_mid, hit_path, HIT_PATH_SIZE);
ip_entry.Nth_scan[ip_entry.Nth_scan_num++] = maat_state_get_scan_count(ctx->scan_mid);
}
library_entry_free(source_ip_entry[i]);
}
if(ip_entry.entry_num > 0)
{
utarray_push_back(ctx->scan_path.ut_array_by_context, &ip_entry);
}
2020-06-24 16:36:16 +08:00
}
if(ret2 > 0)
2020-06-24 16:36:16 +08:00
{
for(int i=0; i < ret2 && i < MAX_EX_DATA_LEN; i++)
2020-06-24 16:36:16 +08:00
{
if(destination_ip_entry[i] == NULL)
{
continue;
}
for(int tag_id=0; tag_id<destination_ip_entry[i]->n_tag_uuids; tag_id++)
{
scan_ret = scan_object(ctx, vsys_id, hit_cnt, destination_ip_entry[i]->tag_uuid_array[tag_id], "TSG_OBJ_IP_ADDR", request->field_name, 0);
if(scan_ret > 0)
{
hit_cnt_ip+=scan_ret;
}
ip_entry.table_id = request->table_id;
ip_entry.tag[ip_entry.entry_num].uuid = strdup(destination_ip_entry[i]->uuid);
ip_entry.tag[ip_entry.entry_num].tag_uuid=strdup(destination_ip_entry[i]->tag_uuid_array[tag_id]);
ip_entry.tag[ip_entry.entry_num].category = get_library_tag_category(destination_ip_entry[i]->tag_uuid_array[tag_id], vsys_id);
ip_entry.entry_num++;
ctx->n_read=maat_state_get_hit_paths(ctx->scan_mid, hit_path, HIT_PATH_SIZE);
ip_entry.Nth_scan[ip_entry.Nth_scan_num++] = maat_state_get_scan_count(ctx->scan_mid);
}
library_entry_free(destination_ip_entry[i]);
}
if(ip_entry.entry_num > 0)
{
utarray_push_back(ctx->scan_path.ut_array_by_context, &ip_entry);
}
2020-06-24 16:36:16 +08:00
}
2020-06-24 16:36:16 +08:00
return hit_cnt_ip;
}
int get_fqdn_category_id(struct request_object_list *request, struct policy_scan_ctx * ctx, int vsys_id, const char *fqdn, int table_id, int hit_cnt)
2020-10-13 19:17:39 +08:00
{
size_t n_read=0;
int ret=0, hit_cnt_fqdn=0;
struct library_entry_ctx *fqdn_entry_ctx[MAX_EX_DATA_LEN]={0};
2020-10-13 19:17:39 +08:00
struct library_hit_path fqdn_entry;
memset(&fqdn_entry, 0, sizeof(fqdn_entry));
ret=maat_fqdn_plugin_table_get_ex_data(g_policy_rt->feather[vsys_id], "FQDN_ENTRY", fqdn, (void **)fqdn_entry_ctx, MAX_EX_DATA_LEN);
for(int i=0; i < ret && i < MAX_EX_DATA_LEN; i++)
2020-10-13 19:17:39 +08:00
{
if(fqdn_entry_ctx[i] == NULL)
2020-10-13 19:17:39 +08:00
{
continue;
2020-10-13 19:17:39 +08:00
}
for(int tag_id=0; tag_id<fqdn_entry_ctx[i]->n_tag_uuids; tag_id++)
2020-10-13 19:17:39 +08:00
{
fqdn_entry.table_id = request->table_id;
fqdn_entry.tag[fqdn_entry.entry_num].uuid=strdup(fqdn_entry_ctx[i]->uuid);
fqdn_entry.tag[fqdn_entry.entry_num].tag_uuid=strdup(fqdn_entry_ctx[i]->tag_uuid_array[tag_id]);
fqdn_entry.entry_num++;
2020-10-13 19:17:39 +08:00
}
library_entry_free(fqdn_entry_ctx[i]);
2020-10-13 19:17:39 +08:00
}
for(int i=0; i<fqdn_entry.entry_num; i++)
2020-10-13 19:17:39 +08:00
{
char *uuid = fqdn_entry.tag[i].tag_uuid;
ret=scan_object(ctx, vsys_id, hit_cnt, uuid, "TSG_OBJ_FQDN", request->field_name, 1);
if(ret > 0)
2020-10-13 19:17:39 +08:00
{
hit_cnt_fqdn+=ret;
}
n_read=maat_state_get_hit_paths(ctx->scan_mid, ctx->hit_path, HIT_PATH_SIZE);
if(ret >= MAAT_SCAN_OK)
{
fqdn_entry.Nth_scan[fqdn_entry.Nth_scan_num++]=maat_state_get_scan_count(ctx->scan_mid);
ctx->n_read=n_read;
}
}
if(fqdn_entry.entry_num > 0)
{
utarray_push_back(ctx->scan_path.ut_array_by_context, &fqdn_entry);
2020-10-13 19:17:39 +08:00
}
return hit_cnt_fqdn;
}
int tunnel_level_scan(struct request_object_list *request, struct policy_scan_ctx *ctx, int vsys_id, int hit_cnt)
{
int n_read, hit_path_cnt=0;
int scan_ret=0, hit_cnt_tunnel=0;
const char *object_uuid_level_array[]={"00000000-0000-0000-0000-000000000050", "00000000-0000-0000-0000-000000000051", "00000000-0000-0000-0000-000000000052",
"00000000-0000-0000-0000-000000000053", "00000000-0000-0000-0000-000000000054", "00000000-0000-0000-0000-000000000055",
"00000000-0000-0000-0000-000000000056", "00000000-0000-0000-0000-000000000057"};
const char *object_uuid=object_uuid_level_array[request->numeric];
scan_ret = scan_object(ctx, vsys_id, hit_cnt, (char *)object_uuid, "TSG_OBJ_TUNNEL_LEVEL", request->field_name, 1);
if(scan_ret > 0)
{
hit_cnt_tunnel += scan_ret;
}
if(scan_ret >= MAAT_SCAN_OK)
{
n_read=maat_state_get_hit_paths(ctx->scan_mid, ctx->hit_path, HIT_PATH_SIZE);
request->merge_nth_scan[hit_path_cnt] = maat_state_get_scan_count(ctx->scan_mid);
ctx->n_read=n_read;
hit_path_cnt++;
}
request->merge_nth_scan_num = hit_path_cnt;
return hit_cnt_tunnel;
}
const char* get_tunnel_type_table_id(char *tunnel_type)
{
const char *field_name="TUNNEL_GTP_ENDPOINT";
const char *tunnel_type_map[] = {"GTP", "GRE", "IPv4/IPv6"};
if(tunnel_type == NULL)
{
return field_name;
}
for (size_t i = 0; i < sizeof(tunnel_type_map) / sizeof(const char *); i++)
{
if (0 == strcasecmp(tunnel_type, tunnel_type_map[i]))
{
if(i == 0)
{
field_name = "TUNNEL_GTP_ENDPOINT";
}
if(i == 1)
{
field_name = "TUNNEL_GRE_ENDPOINT";
}
if(i == 2)
{
field_name = "TUNNEL_IP_IN_IP_ENDPOINT";
}
break;
}
}
return field_name;
}
int tunnel_scan(struct request_object_list *request, struct policy_scan_ctx *ctx, int vsys_id, int hit_cnt, struct ipaddr *ip_addr)
{
int logic =1;
int i=0,hit_path_cnt=0;
int n_read=0, hit_cnt_endpoint=0;
int scan_ret=0, hit_cnt_tunnel=0;
size_t n_hit_result=0;
struct maat_hit_object objects;
uuid_t result[MAX_SCAN_RESULT]={0};
int hit_cnt_group=0;
if(ctx->tunnel_scan_mid == NULL)
{
ctx->tunnel_scan_mid = maat_state_new(g_policy_rt->feather[vsys_id], ctx->thread_id);
maat_state_set_scan_rule_table(ctx->tunnel_scan_mid, "TUNNEL_RULE_CONJUNCTION");
}
const char *field_name = get_tunnel_type_table_id(request->tunnel_type);
if (ip_addr->addrtype == ADDR_TYPE_IPV4)
{
scan_ret = maat_scan_ipv4_port(g_policy_rt->feather[vsys_id], "TSG_OBJ_IP_ADDR", field_name, ip_addr->v4->saddr, ip_addr->v4->source,
result, MAX_SCAN_RESULT, &n_hit_result, ctx->tunnel_scan_mid);
if(scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_endpoint+=n_hit_result;
}
}
if (ip_addr->addrtype == ADDR_TYPE_IPV6)
{
scan_ret = maat_scan_ipv6_port(g_policy_rt->feather[vsys_id], "TSG_OBJ_IP_ADDR", field_name, ip_addr->v6->saddr, ip_addr->v6->source,
result, MAX_SCAN_RESULT, &n_hit_result, ctx->tunnel_scan_mid);
if(scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_endpoint+=n_hit_result;
}
}
scan_ret = maat_scan_not_logic(g_policy_rt->feather[vsys_id], "TSG_OBJ_IP_ADDR", field_name, result, MAX_SCAN_RESULT,
&n_hit_result, ctx->tunnel_scan_mid);
if(scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_endpoint+=n_hit_result;
}
if(hit_cnt_endpoint < 0)
{
goto finish;
}
if(ctx->tunnel_attr_count == 2)
{
logic=0;
}
for(i = 0; i< hit_cnt_endpoint; i++)
{
if(uuid_is_null(result[i]) != 1)
{
memset(&objects, 0, sizeof(objects));
uuid_copy(objects.object_uuid, result[i]);
scan_ret = maat_scan_object(g_policy_rt->feather[vsys_id], "TUNNEL_RULE", "TUNNEL", &objects, 1,
ctx->result+hit_cnt+hit_cnt_group, MAX_SCAN_RESULT-hit_cnt-hit_cnt_group, &n_hit_result, ctx->scan_mid);
if(scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_tunnel+=n_hit_result;
}
if(scan_ret >= MAAT_SCAN_OK)
{
n_read=maat_state_get_hit_paths(ctx->scan_mid, ctx->hit_path, HIT_PATH_SIZE);
request->merge_nth_scan[hit_path_cnt] = maat_state_get_scan_count(ctx->scan_mid);
ctx->n_read=n_read;
hit_path_cnt++;
}
}
}
if(logic && scan_ret >= MAAT_SCAN_OK)
{
scan_ret = maat_scan_not_logic(g_policy_rt->feather[vsys_id], "TUNNEL_RULE", "TUNNEL", ctx->result+hit_cnt+hit_cnt_group,
MAX_SCAN_RESULT-hit_cnt-hit_cnt_group, &n_hit_result, ctx->scan_mid);
if (scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_tunnel+=n_hit_result;
}
if(scan_ret >= MAAT_SCAN_HALF_HIT)
{
n_read=maat_state_get_hit_paths(ctx->scan_mid, ctx->hit_path, HIT_PATH_SIZE);
request->merge_nth_scan[hit_path_cnt] = maat_state_get_scan_count(ctx->scan_mid);
ctx->n_read=n_read;
hit_path_cnt++;
}
}
ctx->tunnel_attr_count--;
request->merge_nth_scan_num = hit_path_cnt;
finish:
return hit_cnt_tunnel;
}
static int app_id_scan(struct request_object_list *request, struct policy_scan_ctx *ctx, int vsys_id, int hit_cnt)
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{
int n_read=0;
size_t n_hit_result=0;
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int scan_ret=0, hit_cnt_app_id=0;
struct maat_hit_object objects;
struct app_id_dict *app_dict=NULL;
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app_dict = (struct app_id_dict*)maat_plugin_table_get_ex_data(g_policy_rt->feather[vsys_id], "APP_ID_DICT", (const char *)&(request->numeric), sizeof(long long));
if(app_dict==NULL)
{
return 0;
}
memset(&objects, 0, sizeof(objects));
uuid_copy(objects.object_uuid, app_dict->object_uuid);
scan_ret=maat_scan_object(g_policy_rt->feather[vsys_id], "APP_ID_DICT", "APP_ID", &objects, 1, ctx->result+hit_cnt+hit_cnt_app_id,
MAX_SCAN_RESULT-hit_cnt-hit_cnt_app_id, &n_hit_result, ctx->scan_mid);
if(scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_app_id+=n_hit_result;
}
scan_ret = maat_scan_not_logic(g_policy_rt->feather[vsys_id], "APP_ID_DICT", "APP_ID", ctx->result+hit_cnt+hit_cnt_app_id,
MAX_SCAN_RESULT-hit_cnt-hit_cnt_app_id, &n_hit_result, ctx->scan_mid);
if (scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_app_id+=n_hit_result;
}
app_id_dict_free(app_dict);
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n_read=maat_state_get_hit_paths(ctx->scan_mid, ctx->hit_path, HIT_PATH_SIZE);
request->merge_nth_scan[0] = maat_state_get_scan_count(ctx->scan_mid);
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ctx->n_read=n_read;
return hit_cnt_app_id;
}
static int flag_scan(struct request_object_list *request, struct policy_scan_ctx *ctx, int vsys_id, int hit_cnt)
2023-03-30 19:50:00 +08:00
{
int n_read=0;
int scan_ret=0, hit_cnt_flag=0;
size_t n_hit_result=0;
int flag=request->numeric;
scan_ret=maat_scan_flag(g_policy_rt->feather[vsys_id], "TSG_OBJ_FLAG", "FLAG", flag, ctx->result+hit_cnt, MAX_SCAN_RESULT-hit_cnt, &n_hit_result, ctx->scan_mid);
2023-03-30 19:50:00 +08:00
if(scan_ret==MAAT_SCAN_HIT)
{
hit_cnt_flag+=n_hit_result;
}
scan_ret = maat_scan_not_logic(g_policy_rt->feather[vsys_id], "TSG_OBJ_FLAG", "FLAG", ctx->result+hit_cnt, MAX_SCAN_RESULT-hit_cnt, &n_hit_result, ctx->scan_mid);
if (scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_flag+=n_hit_result;
}
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n_read=maat_state_get_hit_paths(ctx->scan_mid, ctx->hit_path, HIT_PATH_SIZE);
request->merge_nth_scan[0] = maat_state_get_scan_count(ctx->scan_mid);
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ctx->n_read=n_read;
return hit_cnt_flag;
}
static int http_hdr_scan(struct request_object_list *request, struct policy_scan_ctx *ctx, int vsys_id, int hit_cnt)
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{
int n_read=0;
int scan_ret=0, hit_cnt_hdr=0;
size_t n_hit_result=0;
if(!request->string)
2023-03-30 19:50:00 +08:00
{
return hit_cnt_hdr;
}
const char *value = request->string;
scan_ret = maat_scan_string(g_policy_rt->feather[vsys_id], get_table_name(request->field_name, vsys_id), request->field_name,
2023-03-30 19:50:00 +08:00
value, strlen(value), ctx->result + hit_cnt, MAX_SCAN_RESULT - hit_cnt,
&n_hit_result, ctx->scan_mid);
if (scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_hdr += n_hit_result;
}
scan_ret = maat_scan_not_logic(g_policy_rt->feather[vsys_id], get_table_name(request->field_name, vsys_id), request->field_name, ctx->result + hit_cnt, MAX_SCAN_RESULT - hit_cnt,
&n_hit_result, ctx->scan_mid);
if (scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_hdr += n_hit_result;
}
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n_read=maat_state_get_hit_paths(ctx->scan_mid, ctx->hit_path, HIT_PATH_SIZE);
request->merge_nth_scan[0] = maat_state_get_scan_count(ctx->scan_mid);
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ctx->n_read=n_read;
return hit_cnt_hdr;
}
enum ip_protocol_type
{
PROCOCOL_ANY=-1,
PROTOCOL_ICMP=1,
PROCOCOL_TCP=6,
PROCOCOL_UDP=17,
};
const char *get_object_uuid_by_protocol(int protocol)
{
switch(protocol)
{
case PROCOCOL_ANY:
return PROTOCOL_ANY_OBJECT_UUID;
case PROTOCOL_ICMP:
return PROTOCOL_ICMP_OBJECT_UUID;
case PROCOCOL_TCP:
return PROTOCOL_TCP_OBJECT_UUID;
case PROCOCOL_UDP:
return PROTOCOL_UDP_OBJECT_UUID;
default:
return NULL;
}
}
static int protocol_scan(struct request_object_list *request, struct policy_scan_ctx *ctx, int vsys_id, int hit_cnt)
{
int n_read=0;
int scan_ret=0, hit_cnt_protocol=0;
const char *object_uuid=get_object_uuid_by_protocol(request->numeric);
if(object_uuid != NULL)
{
scan_ret = scan_object(ctx, vsys_id, hit_cnt, (char *)object_uuid, "TSG_OBJ_IP_PROTOCOL", request->field_name, 1);
if(scan_ret > 0)
{
hit_cnt_protocol+=scan_ret;
}
n_read=maat_state_get_hit_paths(ctx->scan_mid, ctx->hit_path, HIT_PATH_SIZE);
request->merge_nth_scan[0] = maat_state_get_scan_count(ctx->scan_mid);
ctx->n_read=n_read;
}
return hit_cnt_protocol;
}
static int ip_addr_scan(struct request_object_list *request, struct policy_scan_ctx *ctx, int vsys_id, int hit_cnt)
2023-03-30 19:50:00 +08:00
{
int n_read=0;
int scan_ret=0, hit_cnt_ip=0;
size_t n_hit_result=0;
2023-03-30 19:50:00 +08:00
if (request->ip_addr->addrtype == ADDR_TYPE_IPV4)
{
if(0 == strcasecmp(request->field_name, "SOURCE_IP") || 0 == strcasecmp(request->field_name, "INTERNAL_IP"))
2023-03-30 19:50:00 +08:00
{
scan_ret = maat_scan_ipv4_port(g_policy_rt->feather[vsys_id], "TSG_OBJ_IP_ADDR", request->field_name, request->ip_addr->v4->saddr, request->ip_addr->v4->source,
ctx->result+hit_cnt+hit_cnt_ip, MAX_SCAN_RESULT-hit_cnt-hit_cnt_ip, &n_hit_result, ctx->scan_mid);
if(scan_ret == MAAT_SCAN_HIT)
2023-03-30 19:50:00 +08:00
{
hit_cnt_ip+=n_hit_result;
}
scan_ret = maat_scan_not_logic(g_policy_rt->feather[vsys_id], "TSG_OBJ_IP_ADDR", request->field_name, ctx->result+hit_cnt+hit_cnt_ip, MAX_SCAN_RESULT-hit_cnt-hit_cnt_ip,
&n_hit_result, ctx->scan_mid);
if (scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_ip+=n_hit_result;
2023-03-30 19:50:00 +08:00
}
}
if(0 == strcasecmp(request->field_name, "DESTINATION_IP") || 0 == strcasecmp(request->field_name, "EXTERNAL_IP"))
2023-03-30 19:50:00 +08:00
{
scan_ret = maat_scan_ipv4_port(g_policy_rt->feather[vsys_id], "TSG_OBJ_IP_ADDR", request->field_name, request->ip_addr->v4->daddr, request->ip_addr->v4->dest,
ctx->result+hit_cnt+hit_cnt_ip, MAX_SCAN_RESULT-hit_cnt-hit_cnt_ip, &n_hit_result, ctx->scan_mid);
2023-03-30 19:50:00 +08:00
if(scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_ip+=n_hit_result;
}
scan_ret = maat_scan_not_logic(g_policy_rt->feather[vsys_id], "TSG_OBJ_IP_ADDR", request->field_name, ctx->result+hit_cnt+hit_cnt_ip, MAX_SCAN_RESULT-hit_cnt-hit_cnt_ip,
&n_hit_result, ctx->scan_mid);
if (scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_ip+=n_hit_result;
2023-03-30 19:50:00 +08:00
}
}
if(scan_ret >= MAAT_SCAN_OK)
2023-03-30 19:50:00 +08:00
{
2023-04-07 14:42:54 +08:00
n_read=maat_state_get_hit_paths(ctx->scan_mid, ctx->hit_path, HIT_PATH_SIZE);
request->merge_nth_scan[0] = maat_state_get_scan_count(ctx->scan_mid);
2023-03-30 19:50:00 +08:00
ctx->n_read=n_read;
}
}
if (request->ip_addr->addrtype == ADDR_TYPE_IPV6)
{
if(0 == strcasecmp(request->field_name, "SOURCE_IP") || 0 == strcasecmp(request->field_name, "INTERNAL_IP"))
2023-03-30 19:50:00 +08:00
{
scan_ret = maat_scan_ipv6_port(g_policy_rt->feather[vsys_id], "TSG_OBJ_IP_ADDR", request->field_name, request->ip_addr->v6->saddr,request->ip_addr->v6->source,
ctx->result+hit_cnt+hit_cnt_ip, MAX_SCAN_RESULT-hit_cnt-hit_cnt_ip, &n_hit_result, ctx->scan_mid);
2023-03-30 19:50:00 +08:00
if (scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_ip+=n_hit_result;
}
scan_ret = maat_scan_not_logic(g_policy_rt->feather[vsys_id], "TSG_OBJ_IP_ADDR", request->field_name, ctx->result+hit_cnt+hit_cnt_ip, MAX_SCAN_RESULT-hit_cnt-hit_cnt_ip,
&n_hit_result, ctx->scan_mid);
if (scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_ip+=n_hit_result;
2023-03-30 19:50:00 +08:00
}
}
if(0 == strcasecmp(request->field_name, "DESTINATION_IP") || 0 == strcasecmp(request->field_name, "EXTERNAL_IP"))
2023-03-30 19:50:00 +08:00
{
scan_ret = maat_scan_ipv6_port(g_policy_rt->feather[vsys_id], "TSG_OBJ_IP_ADDR", request->field_name, request->ip_addr->v6->daddr, request->ip_addr->v6->dest,
ctx->result+hit_cnt+hit_cnt_ip, MAX_SCAN_RESULT-hit_cnt-hit_cnt_ip, &n_hit_result, ctx->scan_mid);
2023-03-30 19:50:00 +08:00
if (scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_ip+=n_hit_result;
}
scan_ret = maat_scan_not_logic(g_policy_rt->feather[vsys_id], "TSG_OBJ_IP_ADDR", request->field_name, ctx->result+hit_cnt+hit_cnt_ip, MAX_SCAN_RESULT-hit_cnt-hit_cnt_ip,
&n_hit_result, ctx->scan_mid);
if (scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_ip+=n_hit_result;
2023-03-30 19:50:00 +08:00
}
}
if(scan_ret >= MAAT_SCAN_OK)
2023-03-30 19:50:00 +08:00
{
2023-04-07 14:42:54 +08:00
n_read=maat_state_get_hit_paths(ctx->scan_mid, ctx->hit_path, HIT_PATH_SIZE);
request->merge_nth_scan[0] = maat_state_get_scan_count(ctx->scan_mid);
2023-03-30 19:50:00 +08:00
ctx->n_read=n_read;
}
}
return hit_cnt_ip;
}
static int ssl_extension_scan(struct request_object_list *request, struct policy_scan_ctx *ctx, int vsys_id, int hit_cnt)
{
int n_read=0;
int scan_ret=0, hit_cnt_ssl=0;
const char *object_uuid=(request->numeric == 1 ? BOOLEAN_TRUE_OBJECT_UUID : BOOLEAN_FLASE_OBJECT_UUID);
scan_ret =scan_object(ctx, vsys_id, hit_cnt, (char *)object_uuid, "TSG_OBJ_BOOLEAN", request->field_name, 1);
if(scan_ret > 0)
{
hit_cnt_ssl += scan_ret;
}
n_read=maat_state_get_hit_paths(ctx->scan_mid, ctx->hit_path, HIT_PATH_SIZE);
request->merge_nth_scan[0] = maat_state_get_scan_count(ctx->scan_mid);
ctx->n_read=n_read;
return hit_cnt_ssl;
}
static int port_scan(struct request_object_list *request, struct policy_scan_ctx *ctx, int vsys_id, int hit_cnt)
{
int n_read=0;
int scan_ret=0, hit_cnt_port=0;
size_t n_hit_result=0;
int port = atoi(request->string);
scan_ret=maat_scan_integer(g_policy_rt->feather[vsys_id], "TSG_OBJ_PORT", request->field_name, port, ctx->result+hit_cnt+hit_cnt_port,
MAX_SCAN_RESULT-hit_cnt-hit_cnt_port, &n_hit_result, ctx->scan_mid);
if(scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_port+=n_hit_result;
}
scan_ret = maat_scan_not_logic(g_policy_rt->feather[vsys_id], "TSG_OBJ_PORT", request->field_name, ctx->result+hit_cnt+hit_cnt_port,
MAX_SCAN_RESULT-hit_cnt-hit_cnt_port, &n_hit_result, ctx->scan_mid);
if (scan_ret == MAAT_SCAN_HIT)
{
hit_cnt_port+=n_hit_result;
}
n_read=maat_state_get_hit_paths(ctx->scan_mid, ctx->hit_path, HIT_PATH_SIZE);
request->merge_nth_scan[0] = maat_state_get_scan_count(ctx->scan_mid);
ctx->n_read=n_read;
return hit_cnt_port;
}
size_t policy_verify_scan(int vsys_id, int compile_table_id, struct request_object_list *request_object, struct policy_scan_ctx * ctx)
{
2023-03-30 19:50:00 +08:00
size_t n_hit_result=0;
int scan_ret=0, n_read;
size_t hit_cnt = ctx->hit_cnt;
2019-10-22 15:13:14 +08:00
int table_id = request_object->table_id;
const char *value = request_object->string;
switch (table_id)
2019-10-22 15:13:14 +08:00
{
case TSG_OBJ_SOURCE_ADDR:
case TSG_OBJ_DESTINATION_ADDR:
case TSG_OBJ_INTERNAL_ADDR:
case TSG_OBJ_EXTERNAL_ADDR:
if(request_object->ip_addr == NULL)
{
goto decide;
}
scan_ret = ip_entry_scan(request_object, ctx, vsys_id, hit_cnt);
if(scan_ret > 0)
{
hit_cnt+=scan_ret;
}
scan_ret = ip_addr_scan(request_object, ctx, vsys_id, hit_cnt);
if(scan_ret > 0)
{
hit_cnt+=scan_ret;
}
goto decide;
case TSG_OBJ_IP_PROTOCOL:
scan_ret = protocol_scan(request_object, ctx, vsys_id, hit_cnt);
if(scan_ret > 0)
{
hit_cnt+=scan_ret;
}
goto decide;
case TSG_OBJ_SOURCE_PORT:
case TSG_OBJ_DESTINATION_PORT:
case TSG_OBJ_INTERNAL_PORT:
case TSG_OBJ_EXTERNAL_PORT:
scan_ret = port_scan(request_object, ctx, vsys_id, hit_cnt);
if(scan_ret > 0)
{
hit_cnt+=scan_ret;
}
goto decide;
case TSG_OBJ_TUNNEL_LEVEL:
scan_ret = tunnel_level_scan(request_object, ctx, vsys_id, hit_cnt);
if(scan_ret > 0)
{
hit_cnt+= scan_ret;
}
goto decide;
case TSG_OBJ_TUNNEL:
struct ip_addr dest_ip, source_ip;
ip_addr_to_address(request_object->ip_addr, &dest_ip, &source_ip);
scan_ret = tunnel_scan(request_object, ctx, vsys_id, hit_cnt, request_object->ip_addr);
if(scan_ret)
{
hit_cnt+=scan_ret;
}
goto decide;
case TSG_OBJ_APP_ID:
scan_ret = app_id_scan(request_object, ctx, vsys_id, hit_cnt);
if(scan_ret > 0)
{
hit_cnt+=scan_ret;
}
goto decide;
case TSG_OBJ_FLAG:
scan_ret = flag_scan(request_object, ctx, vsys_id, hit_cnt);
if(scan_ret > 0)
{
hit_cnt+=scan_ret;
}
goto decide;
case TSG_OBJ_HTTP_REQ_HDR:
case TSG_OBJ_HTTP_RES_HDR:
scan_ret = http_hdr_scan(request_object, ctx, vsys_id, hit_cnt);
if(scan_ret > 0)
{
hit_cnt+=scan_ret;
}
goto decide;
case TSG_OBJ_SSL_ECH:
case TSG_OBJ_SSL_ESNI:
case TSG_OBJ_SSL_NO_SNI:
scan_ret = ssl_extension_scan(request_object, ctx, vsys_id, hit_cnt);
if(scan_ret > 0)
{
hit_cnt+= scan_ret;
}
goto decide;
default:
break;
2020-10-13 19:17:39 +08:00
}
if(request_in_fqdn_cat(table_id))
2020-10-13 19:17:39 +08:00
{
scan_ret = get_fqdn_category_id(request_object, ctx, vsys_id, value, TSG_OBJ_DST_SERVER_FQDN, hit_cnt);
2020-10-13 19:17:39 +08:00
if(scan_ret>0)
{
hit_cnt+=scan_ret;
}
}
scan_ret = maat_scan_string(g_policy_rt->feather[vsys_id], get_table_name(request_object->field_name, vsys_id),request_object->field_name,
2023-03-30 19:50:00 +08:00
value, strlen(value), ctx->result+hit_cnt, MAX_SCAN_RESULT-hit_cnt,
&n_hit_result, ctx->scan_mid);
if(scan_ret==MAAT_SCAN_HIT)
2020-01-17 10:59:34 +08:00
{
2023-03-30 19:50:00 +08:00
hit_cnt+=n_hit_result;
2020-01-17 10:59:34 +08:00
}
scan_ret = maat_scan_not_logic(g_policy_rt->feather[vsys_id], get_table_name(request_object->field_name, vsys_id),request_object->field_name,
ctx->result+hit_cnt, MAX_SCAN_RESULT-hit_cnt,&n_hit_result, ctx->scan_mid);
if (scan_ret == MAAT_SCAN_HIT)
2020-10-13 19:17:39 +08:00
{
hit_cnt+=n_hit_result;
2020-10-13 19:17:39 +08:00
}
n_read=maat_state_get_hit_paths(ctx->scan_mid, ctx->hit_path, HIT_PATH_SIZE);
request_object->merge_nth_scan[request_object->merge_nth_scan_num] = maat_state_get_scan_count(ctx->scan_mid);
ctx->n_read=n_read;
2020-01-17 10:59:34 +08:00
decide:
ctx->hit_cnt = hit_cnt;
return hit_cnt;
2019-10-22 15:13:14 +08:00
}
int http_get_int_param(cJSON* http_request, const char *key)
{
int vsys_id=-1;
cJSON *item = cJSON_GetObjectItem(http_request, key);
if(item && item->type==cJSON_Number)
{
vsys_id = item->valueint;
}
return vsys_id;
}
char *http_get_string_param(cJSON* http_request, const char *key)
{
char *param=NULL;
cJSON *item = cJSON_GetObjectItem(http_request, key);
if(item && item->type==cJSON_String)
{
param = item->valuestring;
}
return param;
}
int get_ip_type(const char *ip)
{
struct sockaddr_in sa;
struct sockaddr_in6 sa6;
int addr_type = 0;
if (inet_pton(AF_INET, ip, &(sa.sin_addr)) > 0)
{
addr_type = 4;
}
else if (inet_pton(AF_INET6, ip, &(sa6.sin6_addr)) > 0)
{
addr_type = 6;
}
return addr_type;
}
struct ipaddr *ip_to_stream_addr(const char *clientIp1, unsigned int clientPort1, const char *serverIp1, unsigned int serverPort1, int addr_type, char *buff, int *protocol)
{
struct ipaddr *ip_addr = ALLOC(struct ipaddr, 1);
if(addr_type == 4)
{
struct stream_tuple4_v4 *v4_addr = ALLOC(struct stream_tuple4_v4, 1);
ip_addr->addrtype=ADDR_TYPE_IPV4;
inet_pton(AF_INET,clientIp1,&(v4_addr->saddr));
v4_addr->source=clientPort1;
inet_pton(AF_INET,serverIp1,&(v4_addr->daddr));
v4_addr->dest=serverPort1;
ip_addr->v4=v4_addr;
}
if(addr_type == 6)
{
struct stream_tuple4_v6 *v6_addr = ALLOC(struct stream_tuple4_v6, 1);
ip_addr->addrtype=ADDR_TYPE_IPV6;
inet_pton(AF_INET6,clientIp1,&(v6_addr->saddr));
v6_addr->source=clientPort1;
inet_pton(AF_INET6,serverIp1,&(v6_addr->daddr));
v6_addr->dest=serverPort1;
ip_addr->v6=v6_addr;
}
if(buff != NULL)
{
log_info(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "[I] %s, clientIp1=%s, clientPort1=%d, serverIp=%s, serverPort=%d, addr_type=%d, protocol=%d", buff,
clientIp1, clientPort1, serverIp1, serverPort1, addr_type, *protocol);
}
else
{
log_info(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "[I] Ip=%s, Port=%d, addr_type=%d", clientIp1, clientPort1, addr_type);
}
return ip_addr;
}
void ipaddr_free(struct ipaddr *ip_addr)
{
if(ip_addr==NULL)
{
return;
}
if(ip_addr->addrtype==ADDR_TYPE_IPV4)
{
free(ip_addr->v4);
}
if(ip_addr->addrtype==ADDR_TYPE_IPV6)
{
free(ip_addr->v6);
}
free(ip_addr);
}
cJSON *get_library_search_query(const char *data, ssize_t data_len)
{
int hit_library_cnt=0;
cJSON* http_request = cJSON_Parse(data);
if(http_request == NULL)
{
log_fatal(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "Failed to parse the request data.");
return NULL;
}
cJSON *http_respone=cJSON_CreateObject();
cJSON_AddNumberToObject(http_respone, "code", 200);
cJSON_AddStringToObject(http_respone, "msg", "Success");
cJSON *http_body = cJSON_CreateObject();
cJSON_AddItemToObject(http_respone, "data", http_body);
cJSON *hit_library=cJSON_CreateArray();
cJSON_AddItemToObject(http_body, "hit_library", hit_library);
int vsys_id = http_get_int_param(http_request, "vsys");
if(vsys_id < 0)
{
cJSON_Delete(http_request);
log_fatal(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "invalid vsys_id");
return NULL;
}
char *ip = http_get_string_param(http_request, "ip");
if(ip)
{
struct ipaddr *ip_addr = ip_to_stream_addr(ip, 0, "0.0.0.0", 0, get_ip_type(ip), NULL, 0);
hit_library_cnt=get_ip_entry_tag_ids(hit_library, vsys_id, ip_addr);
ipaddr_free(ip_addr);
}
char *fqdn = http_get_string_param(http_request, "fqdn");
if(fqdn)
{
hit_library_cnt=get_fqdn_entry_tag_ids(hit_library, vsys_id, fqdn);
}
if (hit_library_cnt >= 0)
{
cJSON_AddBoolToObject(http_respone, "success", true);
}
else
{
cJSON_AddBoolToObject(http_respone, "success", false);
}
cJSON_Delete(http_request);
return http_respone;
}
int tsg_policy_type_str2idx(const char *action_str)
{
const char * policy_name[__SCAN_POLICY_MAX];
policy_name[TSG_TABLE_SECURITY] = "security";
policy_name[PXY_TABLE_MANIPULATION] = "proxy_manipulation";
policy_name[TSG_TRAFFIC_SHAPING] = "traffic_shaping";
policy_name[TSG_SERVICE_CHAINGNG] = "service_chaining";
policy_name[PXY_TABLE_INTERCEPT] = "proxy_intercept";
policy_name[TSG_STATISTICS] = "statistics";
policy_name[TSG_MONITOR] = "monitor";
policy_name[DOS_PROTECTION] = "dos_protection";
policy_name[PXY_TABLE_DEFENCE] = "active_defence";
size_t i = 0;
for (i = 0; i < sizeof(policy_name) / sizeof(const char *); i++)
{
if (0 == strcasecmp(action_str, policy_name[i]))
break;
}
log_info(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "[I] policyType= %s", action_str);
return i;
}
int protoco_field_type_str2idx(const char *action_str, char *buff, char **p)
{
size_t i = 0;
for (i = 0; i < __TSG_OBJ_MAX; i++)
{
if (0 == strcasecmp(action_str, table_name[i]))
break;
}
*p += snprintf(*p, sizeof(buff) - (*p - buff), ", protocolField=%s,%d",action_str, (int)i);
return i;
}
int match_ip_field_name(char *attri_name)
{
size_t i = 0;
const char *field_name_map[] ={"SOURCE_IP", "DESTINATION_IP", "TUNNEL", "INTERNAL_IP", "EXTERNAL_IP"};
for(i = 0; i < sizeof(field_name_map)/sizeof(field_name_map[0]); i++)
{
if(0 == strcasecmp(attri_name, field_name_map[i]))
{
return i;
}
}
return -1;
}
struct ipaddr *tunnel_to_stream_addr(const char *Ip, int addr_type)
{
struct ipaddr *ip_addr = ALLOC(struct ipaddr, 1);
if(addr_type == 4)
{
struct stream_tuple4_v4 *v4_addr = ALLOC(struct stream_tuple4_v4, 1);
ip_addr->addrtype=ADDR_TYPE_IPV4;
inet_pton(AF_INET,Ip,&(v4_addr->saddr));
ip_addr->v4=v4_addr;
}
if(addr_type == 6)
{
struct stream_tuple4_v6 *v6_addr = ALLOC(struct stream_tuple4_v6, 1);
ip_addr->addrtype=ADDR_TYPE_IPV6;
inet_pton(AF_INET6,Ip,&(v6_addr->saddr));
ip_addr->v6=v6_addr;
}
log_debug(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "[I] field_name = ip, clientIp1=%s, addr_type = %d", Ip, addr_type);
return ip_addr;
}
static struct ipaddr * get_ip_from_json(cJSON *fieldValue, const char *fieldName, int *protocol, char *buff)
{
cJSON* item = NULL;
int addr_type=0;
const char *Ip=NULL;
unsigned int Port=0;
if(fieldName==NULL)
{
log_fatal(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "The field_type is of type iP, but the field_name is empty, resulting in IP type parsing failure.");
return NULL;
}
item = cJSON_GetObjectItem(fieldValue,"ip");
if(item && item->type==cJSON_String) Ip = item->valuestring;
item = cJSON_GetObjectItem(fieldValue,"port");
if(item && item->type==cJSON_String) Port =atoi(item->valuestring);
item = cJSON_GetObjectItem(fieldValue,"protocol");
if(item && item->type==cJSON_Number) *protocol = item->valueint;
item=cJSON_GetObjectItem(fieldValue,"addr_type");
if(item && item->type==cJSON_Number) addr_type = item->valueint;
if(strcasecmp(fieldName, "IP_PROTOCOL") == 0)
{
log_info(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "[I] %s, protocol=%d", buff, *protocol);
return NULL;
}
struct ipaddr *ip_addr = NULL;
if(strcasecmp(fieldName, "SOURCE_IP") == 0 || strcasecmp(fieldName, "INTERNAL_IP") == 0 ||
strcasecmp(fieldName, "TUNNEL") == 0)
{
ip_addr = ip_to_stream_addr(Ip, Port, "0.0.0.0", 0, addr_type, buff, protocol);
}
if(strcasecmp(fieldName, "DESTINATION_IP") == 0 || strcasecmp(fieldName, "EXTERNAL_IP") == 0)
{
ip_addr = ip_to_stream_addr("0.0.0.0", 0, Ip, Port, addr_type, buff, protocol);
}
return ip_addr;
}
static char* get_port_from_json(cJSON *fieldValue, int *protocol, char *buff)
{
cJSON* item = NULL;
char *string=NULL;
item = cJSON_GetObjectItem(fieldValue,"port");
if(item && item->type==cJSON_String)
{
string = item->valuestring;
}
item = cJSON_GetObjectItem(fieldValue,"protocol");
if(item && item->type==cJSON_Number)
{
*protocol = item->valueint;
}
log_info(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "[I] %s, port=%s, protocol=%d", buff, string, *protocol);
return string;
}
static inline int match_fieldType_in_numeric(const char *field_type, int table_id)
{
if(0 == strcasecmp(field_type, "numeric") || 0 == strcasecmp(field_type, "flag") ||
0 == strcasecmp(field_type, "boolean") || table_id == TSG_OBJ_IP_PROTOCOL)
{
return 1;
}
else
{
return 0;
}
}
static int get_field_from_json(struct request_object_list *request_object, cJSON* subchild)
{
int xret = -1;
const char *field_type=NULL;
char buff[VERIFY_STRING_MAX*2], *p = NULL;
cJSON* item = NULL, *fieldValue=NULL, *tunnelType_item=NULL;
p = buff;
item = cJSON_GetObjectItem(subchild, "field_value_type");
if(item && item->type==cJSON_String)
{
field_type = item->valuestring;
p += snprintf(p, sizeof(buff) - (p - buff), "field_type = %s", field_type);
}
item = cJSON_GetObjectItem(subchild, "field_name");
if(item && item->type==cJSON_String)
{
request_object->field_name = item->valuestring;
p += snprintf(p, sizeof(buff) - (p - buff), ", field_name = %s",request_object->field_name);
request_object->table_id = protoco_field_type_str2idx(item->valuestring, buff, &p);
if(request_object->table_id == __TSG_OBJ_MAX)
{
log_fatal(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "Get table id failed form table name:%s", item->valuestring);
return xret;
}
}
request_object->fields=cJSON_Duplicate(subchild, 1);
fieldValue = cJSON_GetObjectItem(subchild, "field_value");
if(fieldValue == NULL || fieldValue->type!=cJSON_Object)
{
goto finish;
}
tunnelType_item = cJSON_GetObjectItem(fieldValue,"tunnel_type");
if(tunnelType_item && tunnelType_item->type==cJSON_String)
{
request_object->tunnel_type=tunnelType_item->valuestring;
p += snprintf(p, sizeof(buff) - (p - buff), ", tunnel_type=%s",request_object->tunnel_type);
}
if(0 == strcasecmp(field_type, "ip"))
{
request_object->ip_addr = get_ip_from_json(fieldValue, request_object->field_name, &(request_object->numeric), buff);
goto end;
}
if(0 == strcasecmp(field_type, "port"))
{
request_object->string = get_port_from_json(fieldValue, &(request_object->numeric), buff);
goto end;
}
item = cJSON_GetObjectItem(fieldValue,"district");
if(item!=NULL)
{
request_object->district_value = item->valuestring;
p += snprintf(p, sizeof(buff) - (p - buff), ", district = %s", request_object->district_value);
}
if(match_fieldType_in_numeric(field_type, request_object->table_id))
{
item = cJSON_GetObjectItem(fieldValue, "numeric");
if(item && item->type==cJSON_Number)
{
request_object->numeric = item->valueint;
p += snprintf(p, sizeof(buff) - (p - buff), ", content = %d", request_object->numeric);
}
}
else
{
item = cJSON_GetObjectItem(fieldValue, "string");
if(item!=NULL)
{
request_object->string = item->valuestring;
p += snprintf(p, sizeof(buff) - (p - buff), ", content = %s", request_object->string);
}
}
log_info(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "[I] %s", buff);
memset(buff, 0, VERIFY_STRING_MAX*2);
end:
xret = 1;
finish:
return xret;
}
enum verify_type get_verify_type(cJSON* http_respone)
{
cJSON *item = NULL;
enum verify_type type = VERIFY_TYPE_POLICY;
item = cJSON_GetObjectItem(http_respone,"verify_type");
if(item && item->type==cJSON_String)
{
if(0 == strcasecmp(item->valuestring, "policy"))
{
type = VERIFY_TYPE_POLICY;
}
if(0 == strcasecmp(item->valuestring, "regex"))
{
type = VERIFY_TYPE_REGEX;
}
log_info(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "[I] verify_type= %s", item->valuestring);
}
return type;
}
static int get_query_result_regex(cJSON *verifylist_array_item, cJSON *http_body)
{
int cur_id=0, i=0, is_valid[MAX_REGEX_EXPRESS_NUM]={0};
cJSON *regexstr_obj[MAX_REGEX_EXPRESS_NUM],*fields=NULL;
cJSON *item = NULL, *subchild = NULL;
fields = cJSON_GetObjectItem(verifylist_array_item, "verify_regex");
if(fields==NULL || fields->type != cJSON_Array)
{
return -1;
}
for (subchild = fields->child; subchild != NULL; subchild = subchild->next)
{
if(cur_id > MAX_REGEX_EXPRESS_NUM)
{
log_error(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "Supports up to %d regular expression validations", MAX_REGEX_EXPRESS_NUM);
break;
}
item = cJSON_GetObjectItem(subchild, "regex_str");
if(item && item->type==cJSON_String)
{
is_valid[cur_id] = policy_verify_regex_expression(item->valuestring);
}
regexstr_obj[cur_id]=cJSON_Duplicate(item, 1);
cur_id++;
}
cJSON *verify_regex_obj=NULL;
cJSON *verifyRegex=cJSON_CreateArray();
cJSON_AddItemToObject(http_body, "verify_regex", verifyRegex);
for (i = 0; i < cur_id; i++)
{
verify_regex_obj=cJSON_CreateObject();
cJSON_AddItemToObject(verify_regex_obj, "regex_str", regexstr_obj[i]);
cJSON_AddNumberToObject(verify_regex_obj, "is_valid", is_valid[i]);
cJSON_AddItemToArray(verifyRegex, verify_regex_obj);
}
if(cur_id == 0)
{
log_error(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "validated regular expression is empty");
}
return 1;
}
static void get_count_form_fieldName(struct policy_scan_ctx *ctx, cJSON *subchild)
{
cJSON *item = NULL;
item = cJSON_GetObjectItem(subchild, "field_name");
if(item && item->type==cJSON_String)
{
if(0 == strcasecmp(item->valuestring, "TUNNEL"))
{
ctx->tunnel_attr_count++;
}
}
return;
}
UT_icd ut_object_id_icd = {sizeof(struct request_object_list), NULL, NULL, NULL};
int get_query_result_policy(cJSON *verifylist_array_item, cJSON *http_body, int vsys_id, int thread_id)
{
int hit_cnt = 0, xret =0;
cJSON *item = NULL, *subchild = NULL, *fields=NULL;
struct request_object_list *request_object=NULL;
struct verify_policy_query *verify_policy = NULL;
verify_policy = ALLOC(struct verify_policy_query, 1);
item = cJSON_GetObjectItem(verifylist_array_item,"type");
if(item && item->type==cJSON_String)
{
verify_policy->compile_table_id = tsg_policy_type_str2idx(item->valuestring);
if (verify_policy->compile_table_id >= __SCAN_POLICY_MAX)
{
log_fatal(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "policy type error, policy id = %d", verify_policy->compile_table_id);
goto free;
}
}
verify_policy->vsys_id = vsys_id;
log_info(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "[I] vsys_id= %d", verify_policy->vsys_id);
item = cJSON_GetObjectItem(verifylist_array_item,"verify_session");
if(item == NULL || item->type!=cJSON_Object)
{
log_fatal(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "get verify_session fields failed:%s", item->valuestring);
goto free;
}
fields = cJSON_GetObjectItem(item,"fields");
if(fields && fields->type==cJSON_Array)
{
struct policy_scan_ctx *ctx = policy_scan_ctx_new(thread_id, verify_policy->vsys_id, verify_policy->compile_table_id);
for (subchild = fields->child; subchild != NULL; subchild = subchild->next)
{
get_count_form_fieldName(ctx, subchild);
}
utarray_new(verify_policy->ut_array_by_object, &ut_object_id_icd);
for (subchild = fields->child; subchild != NULL; subchild = subchild->next)
{
struct request_object_list request_object;
memset(&request_object, 0, sizeof(request_object));
xret = get_field_from_json(&request_object, subchild);
if (xret < 0)
{
goto free;
}
hit_cnt = policy_verify_scan(verify_policy->vsys_id, verify_policy->compile_table_id, &request_object, ctx);
if(match_ip_field_name(request_object.field_name) >= 0)
{
ipaddr_free(request_object.ip_addr);
}
utarray_push_back(verify_policy->ut_array_by_object, &request_object);
}
http_hit_policy_list(verify_policy, hit_cnt, http_body, ctx);
cJSON *verfifySession = cJSON_CreateObject();
cJSON_AddItemToObject(http_body, "verify_session", verfifySession);
cJSON *fields=cJSON_CreateArray();
cJSON_AddItemToObject(verfifySession, "fields", fields);
while ((request_object=(struct request_object_list *)utarray_next(verify_policy->ut_array_by_object, request_object)) != NULL)
{
http_get_scan_status(request_object, verify_policy->compile_table_id, fields, ctx);
}
policy_scan_ctx_free(ctx);
utarray_free(verify_policy->ut_array_by_object);
}
free:
if (verify_policy)
{
FREE(&verify_policy);
}
return hit_cnt;
}
cJSON *get_verify_policy_query(const char *data, ssize_t data_len, int thread_id)
{
int hit_cnt = 0;
cJSON* http_request = cJSON_Parse(data);
if(http_request == NULL)
{
log_fatal(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "Failed to parse the request data.");
return NULL;
}
cJSON *http_respone=NULL, *http_body=NULL;
http_respone=cJSON_CreateObject();
cJSON_AddNumberToObject(http_respone, "code", 200);
cJSON_AddStringToObject(http_respone, "msg", "Success");
http_body = cJSON_CreateObject();
cJSON_AddItemToObject(http_respone, "data", http_body);
int type=get_verify_type(http_request);
cJSON *item = NULL, *subitem = NULL;
int vsys_id=0;
item = cJSON_GetObjectItem(http_request, "vsys");
if(item && item->type==cJSON_Number)
{
vsys_id = item->valueint;
}
item = cJSON_GetObjectItem(http_request,"verify_list");
if(item && item->type==cJSON_Array)
{
for (subitem = item->child; subitem != NULL; subitem = subitem->next)
{
if(type == VERIFY_TYPE_REGEX)
{
log_info(g_verify_proxy->logger, MODULE_VERIFY_POLICY, "[I] data= %.*s", (int)data_len, data);
hit_cnt = get_query_result_regex(subitem, http_body);
}
if(type == VERIFY_TYPE_POLICY)
{
hit_cnt = get_query_result_policy(subitem, http_body, vsys_id, thread_id);
}
}
if (hit_cnt >= 0)
{
cJSON_AddBoolToObject(http_respone, "success", true);
}
else
{
cJSON_AddBoolToObject(http_respone, "success", false);
}
}
cJSON_Delete(http_request);
return http_respone;
}
static struct maat *create_maat_feather(const char * instance_name, const char * profile, const char * section, int max_thread, char *log_path, int db_index)
2019-10-22 15:13:14 +08:00
{
2023-03-30 19:50:00 +08:00
struct maat *target=NULL;
int input_mode = 0, maat_perf_on = 0, log_level=0;
int ret = 0, maat_stat_on = 0, effect_interval = 60;
2019-10-22 15:13:14 +08:00
char table_info[VERIFY_STRING_MAX] = {0}, inc_cfg_dir[VERIFY_STRING_MAX] = {0}, ful_cfg_dir[VERIFY_STRING_MAX] = {0};
char json_cfg_file[VERIFY_STRING_MAX] = {0}, maat_stat_file[VERIFY_PATH_MAX] = {0};
char redis_ip[VERIFY_STRING_MAX] = {0}, redis_port_range[VERIFY_STRING_MAX] = {0};
char accept_tags[VERIFY_STRING_MAX] = {0}, maat_stat_db_file[VERIFY_PATH_MAX + 12] = {0};
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int redis_port_begin=0, redis_port_end=0;
int redis_port_select=0;
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2019-10-22 15:13:14 +08:00
MESA_load_profile_int_def(profile, section, "maat_input_mode", &(input_mode), 0);
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MESA_load_profile_int_def(profile, section, "perf_switch", &(maat_perf_on), 0);
MESA_load_profile_int_def(profile, section, "stat_switch", &(maat_stat_on), 1);
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MESA_load_profile_string_def(profile, section, "table_info", table_info, sizeof(table_info), "");
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MESA_load_profile_string_def(profile, section, "json_cfg_file", json_cfg_file, sizeof(json_cfg_file), "");
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MESA_load_profile_string_def(profile, section, "maat_redis_server", redis_ip, sizeof(redis_ip), "");
MESA_load_profile_string_def(profile, section, "maat_redis_port_range", redis_port_range, sizeof(redis_port_range), "6379");
MESA_load_profile_string_def(profile, section, "accept_tags", accept_tags, sizeof(accept_tags), "");
MESA_load_profile_int_def(profile, section, "log_level", &(log_level), LOG_LEVEL_FATAL);
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ret=sscanf(redis_port_range,"%d-%d", &redis_port_begin, &redis_port_end);
if(ret==1)
{
redis_port_select=redis_port_begin;
}
else if(ret==2)
{
srand(time(NULL));
redis_port_select=redis_port_begin+rand()%(redis_port_end-redis_port_begin);
}
else
{
log_fatal(g_verify_proxy->logger, MODULE_VERIFY_MATCHER, "Invalid redis port range %s, MAAT init failed.", redis_port_range);
2019-10-22 15:13:14 +08:00
}
MESA_load_profile_string_def(profile, section, "inc_cfg_dir", inc_cfg_dir, sizeof(inc_cfg_dir), "");
MESA_load_profile_string_def(profile, section, "full_cfg_dir", ful_cfg_dir, sizeof(ful_cfg_dir), "");
MESA_load_profile_int_def(profile, section, "effect_interval_s", &(effect_interval), 60);
effect_interval *= 1000;//convert s to ms
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assert(strlen(inc_cfg_dir) != 0 || strlen(ful_cfg_dir) != 0 || strlen(redis_ip)!=0 || strlen(json_cfg_file)!=0);
2019-10-22 15:13:14 +08:00
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struct maat_options *opts = maat_options_new();
maat_options_set_logger(opts, log_path, (enum log_level)log_level);
maat_options_set_instance_name(opts, instance_name);
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switch (input_mode)
{
case MAAT_INPUT_JSON:
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maat_options_set_json_file(opts, json_cfg_file);
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break;
case MAAT_INPUT_REDIS:
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maat_options_set_redis(opts, redis_ip, redis_port_select, db_index);
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break;
default: log_fatal(g_verify_proxy->logger, MODULE_VERIFY_MATCHER, "Invalid MAAT Input Mode: %d.", input_mode);
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goto error_out;
break;
}
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maat_options_set_foreign_cont_dir(opts, "./verify_policy_files");
maat_options_set_caller_thread_number(opts, max_thread);
maat_options_set_hit_path_enabled(opts);
2019-10-22 15:13:14 +08:00
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if(maat_perf_on)
{
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maat_options_set_perf_on(opts);
}
MESA_load_profile_string_def(profile, section, "stat_file", maat_stat_file, sizeof(maat_stat_file), "");
if (strlen(maat_stat_file) > 0 && maat_stat_on)
{
maat_options_set_stat_on(opts);
snprintf(maat_stat_db_file, VERIFY_PATH_MAX+12, "%s.%d", maat_stat_file, db_index);
maat_options_set_stat_file(opts, maat_stat_db_file);
}
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target = maat_new(opts, table_info);
if (!target)
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{
log_fatal(g_verify_proxy->logger, MODULE_VERIFY_MATCHER, "%s MAAT init failed.", __FUNCTION__);
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goto error_out;
}
log_info(g_verify_proxy->logger, MODULE_VERIFY_MATCHER, "%s:%s", "Maat Redis Ip", redis_ip);
log_info(g_verify_proxy->logger, MODULE_VERIFY_MATCHER, "%s:%s", "Maat Redis Port", redis_port_range);
log_info(g_verify_proxy->logger, MODULE_VERIFY_MATCHER, "%s:%d", "Maat Redis_db_index", db_index);
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maat_options_free(opts);
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return target;
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error_out:
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maat_options_free(opts);
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return NULL;
}
int maat_complie_plugin_table_init(int vsys_id)
{
int ret=0;
const char *plugin_table_name_map[] = {"SECURITY_RULE_PLUGIN", "PXY_CTRL_RULE_PLUGIN", "TRAFFIC_SHAPING_RULE_PLUGIN",
"SERVICE_CHAINING_RULE_PLUGIN", "PXY_INTERCEPT_RULE_PLUGIN", "STATISTICS_RULE_PLUGIN",
"MONITOR_RULE_PLUGIN", "DOS_PROTECTION_RULE_PLUGIN", "TUNNEL_RULE_PLUGIN"};
for(int i = 0; i < PXY_TABLE_DEFENCE; i++)
{
const char * table_name = plugin_table_name_map[i];
ret = maat_plugin_table_ex_schema_register(g_policy_rt->feather[vsys_id], table_name, compile_table_new_cb, compile_free_data, compile_dup_data, 0,NULL);
if(ret<0)
{
continue;
}
}
return ret;
}
void verify_reload_loglevel()
{
int vsys_id=0;
int load_vsys_num=0, log_level=0;
const char * profile_path = "./conf/verify_policy.conf";
MESA_load_profile_int_def(profile_path, "SYSTEM", "log_level", &log_level, LOG_FATAL);
log_options_set_level(g_verify_proxy->logger, log_level);
MESA_load_profile_int_def(profile_path, "MAAT", "load_vsys_num", &(load_vsys_num), 255);
MESA_load_profile_int_def(profile_path, "MAAT", "log_level", &(log_level), LOG_LEVEL_FATAL);
for(vsys_id=0; vsys_id < load_vsys_num; vsys_id++)
{
if(g_policy_rt->feather[vsys_id] != NULL)
{
maat_reload_log_level(g_policy_rt->feather[vsys_id], (enum log_level)log_level);
}
}
}
int verify_policy_table_init(struct verify_policy * verify, const char* profile_path)
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{
int ret = -1; int vsys_id=0;
int load_vsys_num=0, load_start_vsys=0;
char log_path[VERIFY_PATH_MAX] = {0};
g_policy_rt = ALLOC(struct verify_policy_rt, 1);
g_policy_rt->local_logger = verify->logger;
g_policy_rt->thread_num = verify->nr_work_threads;
MESA_load_profile_int_def(profile_path, "MAAT", "load_vsys_num", &(load_vsys_num), 255);
MESA_load_profile_int_def(profile_path, "MAAT", "load_start_vsys", &(load_start_vsys), 0);
load_vsys_num = load_vsys_num > VSYS_ID_MAX ? VSYS_ID_MAX : load_vsys_num;
load_start_vsys = load_start_vsys > load_vsys_num ? 0 : load_start_vsys;
for(vsys_id=load_start_vsys; vsys_id < load_vsys_num; vsys_id++)
{
memset(log_path, 0, sizeof(log_path));
snprintf(log_path, sizeof(log_path), "logs/log/maat.db%d.log", vsys_id);
g_policy_rt->feather[vsys_id] = create_maat_feather("static", profile_path, "MAAT", g_policy_rt->thread_num, log_path, vsys_id);
if (!g_policy_rt->feather[vsys_id])
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{
goto error_out;
}
ret = maat_complie_plugin_table_init(vsys_id);
if(ret<0)
{
goto error_out;
}
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ret = maat_plugin_table_ex_init(PROFILE_APP_DI_DICT, vsys_id, app_dict_table_new_cb, app_dict_table_free_cb, app_dict_table_dup_cb);
if(ret<0)
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{
goto error_out;
}
ret = maat_plugin_table_ex_init(PROFILE_FQDN_ENTRY, vsys_id, fqdn_entry_new_cb, library_entry_free_cb, library_entry_dup_cb);
if(ret<0)
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{
goto error_out;
2020-10-13 19:17:39 +08:00
}
ret = maat_plugin_table_ex_init(PROFILE_IP_ADDR_ENTRY, vsys_id, fqdn_entry_new_cb, library_entry_free_cb, library_entry_dup_cb);
if(ret<0)
{
goto error_out;
}
ret = maat_plugin_table_ex_init(PROFILE_LIBRARY_TAG, vsys_id, library_tag_new_cb, library_tag_free_cb, library_tag_dup_cb);
if(ret<0)
{
goto error_out;
}
ret = maat_plugin_table_ex_init(PROFILE_FIELD_DICT, vsys_id, field_dict_new_cb, field_dict_free_cb, field_dict_dup_cb);
if(ret<0)
{
goto error_out;
}
}
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ret = 0;
error_out:
return ret;
}
void verify_policy_table_free(const char* profile_path)
{
int load_vsys_num=0, load_start_vsys=0;
MESA_load_profile_int_def(profile_path, "MAAT", "load_vsys_num", &(load_vsys_num), 255);
MESA_load_profile_int_def(profile_path, "MAAT", "load_start_vsys", &(load_start_vsys), 0);
load_vsys_num = load_vsys_num > VSYS_ID_MAX ? VSYS_ID_MAX : load_vsys_num;
load_start_vsys = load_start_vsys > load_vsys_num ? 0 : load_start_vsys;
for(int vsys_id=load_start_vsys; vsys_id < load_vsys_num; vsys_id++)
{
if(g_policy_rt->feather[vsys_id])
{
maat_free(g_policy_rt->feather[vsys_id]);
}
}
FREE(&g_policy_rt);
return;
}