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author刘学利 <[email protected]>2021-03-15 01:15:23 +0000
committer刘学利 <[email protected]>2021-03-15 01:15:23 +0000
commit5a367ff64ca98c4902aa8d6ea19be2cfcb9e18f5 (patch)
tree7e875246836ed6ccb004e8c7c74a614bf9cab82c
parent23ef49d19c7b2f95add7d89cc36a4fee1e5b1f99 (diff)
Feature default policy action switchv3.4.4
-rw-r--r--bin/tsg_dynamic_maat.json12
-rw-r--r--inc/tsg_rule.h1
-rw-r--r--src/tsg_entry.cpp139
-rw-r--r--src/tsg_entry.h12
-rw-r--r--src/tsg_rule.cpp101
5 files changed, 182 insertions, 83 deletions
diff --git a/bin/tsg_dynamic_maat.json b/bin/tsg_dynamic_maat.json
new file mode 100644
index 0000000..9faafdb
--- /dev/null
+++ b/bin/tsg_dynamic_maat.json
@@ -0,0 +1,12 @@
+{
+ "plugin_table":
+ [
+ {
+ "table_name": "TSG_DYN_SUBSCRIBER_IP",
+ "table_content": [
+ "1052\t4\t192.168.50.52\ttest52\t1",
+ "1037\t4\t192.168.50.37\test37\t1"
+ ]
+ }
+ ]
+} \ No newline at end of file
diff --git a/inc/tsg_rule.h b/inc/tsg_rule.h
index d8b0ce9..74d6f34 100644
--- a/inc/tsg_rule.h
+++ b/inc/tsg_rule.h
@@ -42,6 +42,7 @@ struct compile_user_region
char protocol[32];
char method[32];
char *message;
+ Maat_rule_t *result;
};
typedef enum _PULL_RESULT_TYPE
diff --git a/src/tsg_entry.cpp b/src/tsg_entry.cpp
index d07d16e..2a151c2 100644
--- a/src/tsg_entry.cpp
+++ b/src/tsg_entry.cpp
@@ -155,7 +155,7 @@ static int get_device_id(char *command, int entrance_id)
return (entrance_id<<7)+(atoi(buffer)%128);
}
-static int is_repetitive_app_id(unsigned short proto_id)
+static int is_repetitive_protocol_id(unsigned short proto_id)
{
switch(proto_id)
{
@@ -175,6 +175,31 @@ static int is_repetitive_app_id(unsigned short proto_id)
return 0;
}
+static int get_default_policy(int compile_id, struct Maat_rule_t *result)
+{
+ struct Maat_rule_t p_result={0};
+ struct compile_user_region *user_region=NULL;
+
+ p_result.config_id=compile_id;
+ user_region=(struct compile_user_region *)Maat_rule_get_ex_data(g_tsg_maat_feather, &p_result, g_tsg_para.table_id[TABLE_SECURITY_COMPILE]);
+ if(user_region!=NULL)
+ {
+ if(user_region->result!=NULL)
+ {
+ memcpy(result, user_region->result, sizeof(struct Maat_rule_t));
+ if(result->action==TSG_ACTION_BYPASS)
+ {
+ result->action=TSG_ACTION_NONE;
+ }
+ }
+
+ security_compile_free(g_tsg_para.table_id[TABLE_SECURITY_COMPILE], &p_result, NULL, (MAAT_RULE_EX_DATA *)&user_region, 0, NULL);
+ return 1;
+ }
+
+ return 0;
+}
+
static struct app_id_label *get_app_id_label(struct streaminfo *a_stream, struct master_context *context, int thread_seq)
{
struct app_id_label *app_id_label=NULL;
@@ -192,8 +217,7 @@ static struct app_id_label *get_app_id_label(struct streaminfo *a_stream, struct
MESA_handle_runtime_log(g_tsg_para.logger,
RLOG_LV_DEBUG,
"READ_APP_ID_FLAG",
- "Get %s app id label, app_id: %d addr: %s",
- context->uuid_str,
+ "Get app id label, app_id: %d addr: %s",
app_id_label->app_id,
printaddr(&a_stream->addr, thread_seq)
);
@@ -214,33 +238,14 @@ static int get_basic_proto_id(struct streaminfo *a_stream, struct master_context
if(context->continue_scan_proto_id==APP_SCAN_FLAG_CONTINUE && g_tsg_para.l7_proto_project_id>=0)
{
proto_label=(struct basic_proto_label *)project_req_get_struct(a_stream, g_tsg_para.l7_proto_project_id);
- if(proto_label!=NULL && proto_label->proto_id!=context->basic_proto_id)
+ if(proto_label!=NULL)
{
if(proto_label->continue_scan_flag==APP_SCAN_FLAG_STOP)
{
context->continue_scan_proto_id=APP_SCAN_FLAG_STOP;
}
- if(is_repetitive_app_id(proto_label->proto_id))
- {
- context->continue_scan_proto_id=APP_SCAN_FLAG_STOP;
- switch(proto_label->proto_id)
- {
- case SIP_PROTO_ID:
- context->proto=PROTO_SIP;
- break;
- case RTP_PROTO_ID:
- context->proto=PROTO_RTP;
- break;
- default:
- break;
- }
- }
- else
- {
- context->basic_proto_id=proto_label->proto_id;
- return context->basic_proto_id;
- }
+ return proto_label->proto_id;
}
}
@@ -595,7 +600,15 @@ void close_stream_free_context(struct streaminfo *a_stream, struct master_contex
if(context->hit_cnt>0 && context->result!=NULL)
{
memset(&identify_info, 0, sizeof(identify_info));
- identify_info.proto=context->proto;
+ if(context->proto==PROTO_UNKONWN || context->proto>PROTO_APP)
+ {
+ identify_info.proto=PROTO_APP;
+ }
+ else
+ {
+ identify_info.proto=context->proto;
+ }
+
if(context->domain_len>0)
{
memcpy(identify_info.domain, context->domain, context->domain_len);
@@ -1034,7 +1047,7 @@ extern "C" char TSG_MASTER_TCP_ENTRY(struct streaminfo *a_tcp, void **pme, int t
int opt_value=0;
int proto_id=0;
char *l7_protocol=NULL;
- int ret=0,hit_num=0;
+ int ret=0,hit_num=0;
int state=APP_STATE_GIVEME;
Maat_rule_t *p_result=NULL;
struct identify_info identify_info;
@@ -1077,17 +1090,20 @@ extern "C" char TSG_MASTER_TCP_ENTRY(struct streaminfo *a_tcp, void **pme, int t
hit_num+=ret;
FS_operate(g_tsg_para.fs2_handle, g_tsg_para.fs2_field_id[TSG_FS2_HIT_ADDR], 0, FS_OP_ADD, 1);
}
+ context->proto=identify_info.proto;
+ context->continue_scan_proto_id=APP_SCAN_FLAG_STOP;
break;
default:
break;
}
- if(context->proto==PROTO_UNKONWN || context->proto>PROTO_APP) /* support block/alert(deny), Do action in fw_http_plug */
+ if(context->proto==PROTO_UNKONWN || context->proto>PROTO_APP || context->continue_scan_proto_id==APP_SCAN_FLAG_CONTINUE) /* support block/alert(deny), Do action in fw_http_plug */
{
proto_id=get_basic_proto_id(a_tcp, context, thread_seq);
- if(proto_id>0)
+ if(proto_id>0 && proto_id!=context->basic_proto_id)
{
context->proto=PROTO_APP;
+ context->basic_proto_id=proto_id;
l7_protocol=tsg_l7_protocol_id2name(g_tsg_log_instance, proto_id);
if(l7_protocol==NULL && proto_id==g_tsg_para.mail_proto_id)
{
@@ -1100,23 +1116,29 @@ extern "C" char TSG_MASTER_TCP_ENTRY(struct streaminfo *a_tcp, void **pme, int t
hit_num+=scan_application_id_and_properties(a_tcp, context, result+hit_num, MAX_RESULT_NUM-hit_num, &context->mid, thread_seq);
p_result=tsg_policy_decision_criteria(a_tcp, result, hit_num, &identify_info, thread_seq);
+ if(g_tsg_para.default_compile_switch==1 && p_result==NULL)
+ {
+ if(get_default_policy(g_tsg_para.default_compile_id, &result[0]))
+ {
+ p_result=&result[0];
+ context->is_default_policy=1;
+ }
+ }
+
if(p_result!=NULL)
{
switch((unsigned char)p_result->action)
{
case TSG_ACTION_DENY:
- if((context->result!=NULL && context->result[0].action==TSG_ACTION_BYPASS) || (is_repetitive_app_id(context->proto)))
+ if((context->result!=NULL && context->result[0].action==TSG_ACTION_BYPASS) || ((is_repetitive_protocol_id(context->proto)) && context->is_default_policy==0))
{
break;
}
- context->proto=PROTO_APP;
user_region=(struct compile_user_region *)Maat_rule_get_ex_data(g_tsg_maat_feather, p_result, g_tsg_para.table_id[TABLE_SECURITY_COMPILE]);
if(user_region!=NULL)
{
- atomic_dec(&user_region->ref_cnt);
method_type=tsg_get_method_id(user_region->method);
-
switch(method_type)
{
case TSG_METHOD_TYPE_DROP:
@@ -1148,6 +1170,8 @@ extern "C" char TSG_MASTER_TCP_ENTRY(struct streaminfo *a_tcp, void **pme, int t
default:
break;
}
+
+ security_compile_free(g_tsg_para.table_id[TABLE_SECURITY_COMPILE], p_result, NULL, (MAAT_RULE_EX_DATA *)&user_region, 0, NULL);
}
copy_deny_result(a_tcp, context, p_result, thread_seq);
break;
@@ -1223,39 +1247,70 @@ extern "C" char TSG_MASTER_UDP_ENTRY(struct streaminfo *a_udp, void **pme, int t
hit_num+=ret;
FS_operate(g_tsg_para.fs2_handle, g_tsg_para.fs2_field_id[TSG_FS2_HIT_ADDR], 0, FS_OP_ADD, 1);
}
+
+ context->proto=identify_info.proto;
+ context->continue_scan_proto_id=APP_SCAN_FLAG_STOP;
break;
default:
break;
}
- if(context->proto==PROTO_UNKONWN || context->proto>PROTO_APP)
+ if(context->proto==PROTO_UNKONWN || context->proto>PROTO_APP || context->continue_scan_proto_id==APP_SCAN_FLAG_CONTINUE)
{
proto_id=get_basic_proto_id(a_udp, context, thread_seq);
- if(proto_id>0)
+ if(proto_id>0 && context->basic_proto_id!=proto_id)
{
- hit_num+=tsg_scan_app_id_policy(g_tsg_maat_feather, a_udp, result, MAX_RESULT_NUM-hit_num, &context->mid, l7_protocol, proto_id, thread_seq);
+ if(is_repetitive_protocol_id(proto_id))
+ {
+ context->continue_scan_proto_id=APP_SCAN_FLAG_STOP;
+ switch(proto_id)
+ {
+ case SIP_PROTO_ID:
+ context->proto=PROTO_SIP;
+ set_session_attribute_label(a_udp, TSG_ATTRIBUTE_TYPE_PROTOCOL, (void *)&(context->proto), thread_seq);
+ break;
+ case RTP_PROTO_ID:
+ context->proto=PROTO_RTP;
+ set_session_attribute_label(a_udp, TSG_ATTRIBUTE_TYPE_PROTOCOL, (void *)&(context->proto), thread_seq);
+ break;
+ default:
+ break;
+ }
+ }
+ else
+ {
+ context->proto=PROTO_APP;
+ context->basic_proto_id=proto_id;
+ hit_num+=tsg_scan_app_id_policy(g_tsg_maat_feather, a_udp, result, MAX_RESULT_NUM-hit_num, &context->mid, l7_protocol, proto_id, thread_seq);
+ }
}
}
hit_num+=scan_application_id_and_properties(a_udp, context, result+hit_num, MAX_RESULT_NUM-hit_num, &context->mid, thread_seq);
p_result=tsg_policy_decision_criteria(a_udp, result, hit_num, &identify_info, thread_seq);
+ if(g_tsg_para.default_compile_switch==1 && p_result==NULL)
+ {
+ if(get_default_policy(g_tsg_para.default_compile_id, &result[0]))
+ {
+ p_result=&result[0];
+ context->is_default_policy=1;
+ }
+ }
+
if(p_result!=NULL)
{
switch((unsigned char)p_result->action)
{
case TSG_ACTION_DENY:
- if((context->result!=NULL && context->result[0].action==TSG_ACTION_BYPASS) || (is_repetitive_app_id(context->proto)))
+ if((context->result!=NULL && context->result[0].action==TSG_ACTION_BYPASS) || ((is_repetitive_protocol_id(context->proto)) && context->is_default_policy==0))
{
break;
}
- context->proto=PROTO_APP;
user_region=(struct compile_user_region *)Maat_rule_get_ex_data(g_tsg_maat_feather, p_result, g_tsg_para.table_id[TABLE_SECURITY_COMPILE]);
if(user_region!=NULL)
{
- atomic_dec(&user_region->ref_cnt);
method_type=tsg_get_method_id(user_region->method);
-
switch(method_type)
{
case TSG_METHOD_TYPE_DROP:
@@ -1267,6 +1322,8 @@ extern "C" char TSG_MASTER_UDP_ENTRY(struct streaminfo *a_udp, void **pme, int t
default:
break;
}
+
+ security_compile_free(g_tsg_para.table_id[TABLE_SECURITY_COMPILE], p_result, NULL, (MAAT_RULE_EX_DATA *)&user_region, 0, NULL);
}
copy_deny_result(a_udp, context, p_result, thread_seq);
break;
@@ -1319,7 +1376,11 @@ extern "C" int TSG_MASTER_INIT()
printf("MESA_create_runtime_log_handle failed ...\n");
return -1;
}
+
+ MESA_load_profile_int_def(tsg_conffile, "SYSTEM","DEFAULT_POLICY_ID", &g_tsg_para.default_compile_id, 0);
+ MESA_load_profile_int_def(tsg_conffile, "SYSTEM","DEFAULT_POLICY_SWITCH", &g_tsg_para.default_compile_switch, 0);
+
MESA_load_profile_string_def(tsg_conffile, "SYSTEM", "IDENTIFY_PROTO_NAME", identify_proto_name, sizeof(identify_proto_name), "HTTP;SSL;DNS;FTP;BGP;SIP;MAIL;STREAMING_MEDIA;QUIC;");
tsg_proto_name2flag(identify_proto_name, &g_tsg_para.proto_flag);
diff --git a/src/tsg_entry.h b/src/tsg_entry.h
index 94aed3f..97e1c08 100644
--- a/src/tsg_entry.h
+++ b/src/tsg_entry.h
@@ -109,15 +109,14 @@ struct master_context
{
tsg_protocol_t proto;
int hit_cnt;
- int domain_len;
- char domain[MAX_DOAMIN_LEN];
- struct Maat_rule_t *result;
-
int app_id;
+ int is_default_policy;
char continue_scan_app_id;
char continue_scan_proto_id;
unsigned short basic_proto_id;
- char uuid_str[32];
+ int domain_len;
+ char domain[MAX_DOAMIN_LEN];
+ struct Maat_rule_t *result;
scan_status_t mid;
};
@@ -131,6 +130,8 @@ typedef struct _tsg_para
int app_id_table_type;
int device_id;
int entrance_id;
+ int default_compile_switch;
+ int default_compile_id;
int table_id[TABLE_MAX];
int dyn_subscribe_ip_table_id; //TSG_DYN_SUBSCRIBER_IP
int priority_project_id;
@@ -238,6 +239,7 @@ int tsg_statistic_init(const char *conffile, void *logger);
void location_free_data(int table_id, MAAT_PLUGIN_EX_DATA* ad, long argl, void* argp);
void ASN_free_data(int table_id, MAAT_PLUGIN_EX_DATA* ad, long argl, void* argp);
void subscribe_id_free_data(int table_id, MAAT_PLUGIN_EX_DATA* ad, long argl, void* argp);
+void security_compile_free(int idx, const struct Maat_rule_t* rule, const char* srv_def_large, MAAT_RULE_EX_DATA* ad, long argl, void *argp);
char *tsg_schema_index2string(tsg_protocol_t proto);
struct Maat_rule_t *tsg_policy_decision_criteria(struct streaminfo *a_stream, Maat_rule_t *result, int result_num, struct _identify_info *identify_info, int thread_seq);
int tsg_scan_shared_policy(Maat_feather_t maat_feather, struct streaminfo *a_stream, struct identify_info *identify_info, Maat_rule_t *result, int result_num, scan_status_t *mid, int thread_seq);
diff --git a/src/tsg_rule.cpp b/src/tsg_rule.cpp
index 361faae..374c0e3 100644
--- a/src/tsg_rule.cpp
+++ b/src/tsg_rule.cpp
@@ -550,51 +550,65 @@ void security_compile_new(int idx, const struct Maat_rule_t* rule, const char* s
cJSON *object=NULL, *item=NULL;
struct compile_user_region *user_region=NULL;
- if(rule!=NULL && srv_def_large!=NULL && strlen(srv_def_large)>2)
+ if(rule!=NULL)
{
- object=cJSON_Parse(srv_def_large);
- if(object!=NULL)
+ if(srv_def_large!=NULL && strlen(srv_def_large)>2)
{
- user_region=(struct compile_user_region *)calloc(1, sizeof(struct compile_user_region));
-
- item=cJSON_GetObjectItem(object, "method");
- if(item!=NULL)
- {
- len=MIN(strlen(item->valuestring), sizeof(user_region->method)-1);
- memcpy(user_region->method, item->valuestring, len);
- }
+ object=cJSON_Parse(srv_def_large);
+ if(object!=NULL)
+ {
+ user_region=(struct compile_user_region *)calloc(1, sizeof(struct compile_user_region));
+ atomic_inc(&user_region->ref_cnt);
- item=cJSON_GetObjectItem(object, "protocol");
- if(item!=NULL)
- {
- len=MIN(strlen(item->valuestring), sizeof(user_region->protocol)-1);
- memcpy(user_region->protocol, item->valuestring, len);
- }
+ item=cJSON_GetObjectItem(object, "method");
+ if(item!=NULL)
+ {
+ len=MIN(strlen(item->valuestring), sizeof(user_region->method)-1);
+ memcpy(user_region->method, item->valuestring, len);
+ }
- item=cJSON_GetObjectItem(object, "message");
- if(item!=NULL)
- {
- len=strlen(item->valuestring)+1;
- user_region->message=(char *)calloc(1, len);
- memcpy(user_region->message, item->valuestring, len-1);
- }
+ item=cJSON_GetObjectItem(object, "protocol");
+ if(item!=NULL)
+ {
+ len=MIN(strlen(item->valuestring), sizeof(user_region->protocol)-1);
+ memcpy(user_region->protocol, item->valuestring, len);
+ }
- item=cJSON_GetObjectItem(object, "code");
- if(item!=NULL)
- {
- user_region->code=item->valueint;
+ item=cJSON_GetObjectItem(object, "message");
+ if(item!=NULL)
+ {
+ len=strlen(item->valuestring)+1;
+ user_region->message=(char *)calloc(1, len);
+ memcpy(user_region->message, item->valuestring, len-1);
+ }
+
+ item=cJSON_GetObjectItem(object, "code");
+ if(item!=NULL)
+ {
+ user_region->code=item->valueint;
+ }
+
+ item=cJSON_GetObjectItem(object, "html_profile");
+ if(item!=NULL)
+ {
+ user_region->html_profile=item->valueint;
+ }
}
+ }
- item=cJSON_GetObjectItem(object, "html_profile");
- if(item!=NULL)
+ if(g_tsg_para.default_compile_switch==1 && g_tsg_para.default_compile_id==rule->config_id)
+ {
+ if(user_region==NULL)
{
- user_region->html_profile=item->valueint;
+ user_region=(struct compile_user_region *)calloc(1, sizeof(struct compile_user_region));
+ atomic_inc(&user_region->ref_cnt);
}
-
- atomic_inc(&user_region->ref_cnt);
-
- *ad=(MAAT_RULE_EX_DATA)user_region;
+
+ user_region->result=(struct Maat_rule_t *)calloc(1, sizeof(struct Maat_rule_t));
+ memcpy(user_region->result, rule, sizeof(struct Maat_rule_t));
}
+
+ *ad=(MAAT_RULE_EX_DATA)user_region;
}
return ;
@@ -616,11 +630,20 @@ void security_compile_free(int idx, const struct Maat_rule_t* rule, const char*
if(user_region!=NULL)
{
atomic_dec(&user_region->ref_cnt);
- if((user_region->ref_cnt-1)<=0)
+ if(user_region->ref_cnt<=0)
{
- free(user_region->message);
- user_region->message=NULL;
-
+ if(user_region->message!=NULL)
+ {
+ free(user_region->message);
+ user_region->message=NULL;
+ }
+
+ if(user_region->result!=NULL)
+ {
+ free(user_region->result);
+ user_region->result=NULL;
+ }
+
free(*ad);
*ad=NULL;
}