diff options
| author | 刘学利 <[email protected]> | 2021-08-04 02:08:30 +0000 |
|---|---|---|
| committer | 刘学利 <[email protected]> | 2021-08-04 02:08:30 +0000 |
| commit | 7b9a6dbe5d6bcd9b7ae8e2e51090f966c8071e14 (patch) | |
| tree | b313dcba1e5a7ffe176ca3ecb14260ffaaea3d0f /src/tsg_entry.cpp | |
| parent | 86a030143d212df4b36efccdb1f9b2edfd0266c2 (diff) | |
Feature ratelimitv5.1.4
Diffstat (limited to 'src/tsg_entry.cpp')
| -rw-r--r-- | src/tsg_entry.cpp | 328 |
1 files changed, 182 insertions, 146 deletions
diff --git a/src/tsg_entry.cpp b/src/tsg_entry.cpp index f141fd6..31330db 100644 --- a/src/tsg_entry.cpp +++ b/src/tsg_entry.cpp @@ -193,39 +193,6 @@ static int print_hit_path(const struct streaminfo *a_stream, struct master_conte return 1; } -static int is_xxx_proxy(const struct streaminfo *a_stream) -{ - if(a_stream!=NULL && a_stream->pfather!=NULL) - { - switch(a_stream->pfather->type) - { - case STREAM_TYPE_SOCKS4: - case STREAM_TYPE_SOCKS5: - case STREAM_TYPE_HTTP_PROXY: - return 1; - break; - default: - break; - } - } - - return 0; -} - -static int is_free_context(const struct streaminfo *a_stream, int proxy_flag) -{ - if(proxy_flag==1) - { - int is_proxy=is_xxx_proxy(a_stream); - if(is_proxy!=1) - { - return 0; - } - } - - return 1; -} - static void free_user_item(char *item) { if(item!=NULL) @@ -265,7 +232,7 @@ static int is_hited_allow(struct Maat_rule_t *result, int hit_cnt) return 0; } -static int set_struct_project(const struct streaminfo *a_stream, int project_id, void *data) +int set_struct_project(const struct streaminfo *a_stream, int project_id, void *data) { if(a_stream==NULL || project_id<0) { @@ -288,7 +255,7 @@ static int set_struct_project(const struct streaminfo *a_stream, int project_id, return 1; } -static const void *get_struct_project(const struct streaminfo *a_stream, int project_id) +const void *get_struct_project(const struct streaminfo *a_stream, int project_id) { if(a_stream==NULL || project_id<0) { @@ -314,6 +281,27 @@ static int get_table_id(tsg_protocol_t protocol) return -1; } +static int get_raw_packet_len(const struct streaminfo *a_stream) +{ + int raw_packet_len=0; + + if(a_stream->type==STREAM_TYPE_TCP) + { + if(a_stream->ptcpdetail==NULL || a_stream->ptcpdetail->pdata==NULL || a_stream->ptcpdetail->datalen<=0) + { + return 0; + } + } + + int ret=get_rawpkt_opt_from_streaminfo(a_stream, RAW_PKT_GET_TOT_LEN, &raw_packet_len); + if(ret<0) + { + return 0; + } + + return raw_packet_len; +} + static int get_default_policy(int compile_id, struct Maat_rule_t *result) { struct Maat_rule_t p_result={0}; @@ -339,24 +327,6 @@ static int get_default_policy(int compile_id, struct Maat_rule_t *result) return 0; } -int set_vlan_id_to_project(const struct streaminfo *a_stream, struct tcpall_context **context, int *vlan_id, int vlan_id_num, int thread_seq) -{ - int num=0; - (*context)=(struct tcpall_context *)get_struct_project(a_stream, g_tsg_para.tcpall_project_id); - if(*context==NULL) - { - (*context)=(struct tcpall_context *)dictator_malloc(thread_seq, sizeof(struct tcpall_context)); - memset((*context), 0, sizeof(struct tcpall_context)); - set_struct_project(a_stream, g_tsg_para.tcpall_project_id, (void *)(*context)); - } - - num=MIN(vlan_id_num, MAX_RESULT_NUM-(*context)->vlan_id_num); - memcpy((*context)->vlan_id+(*context)->vlan_id_num, vlan_id, num); - (*context)->vlan_id_num+=num; - - return 0; -} - static int master_send_log(const struct streaminfo *a_stream, struct Maat_rule_t *p_result, int result_num, char *domain, tsg_protocol_t proto, int thread_seq) { tsg_log_t log_msg; @@ -450,11 +420,64 @@ static int tsg_proto_name2flag(char *proto_list, int *flag) static void free_context_label(int thread_seq, void *project_req_value) { + struct master_context *context=(struct master_context *)project_req_value; + if(context!=NULL) + { + if(context->domain!=NULL) + { + dictator_free(thread_seq, (void *)context->domain); + context->domain=NULL; + } + + if(context->result!=NULL) + { + dictator_free(thread_seq, (void *)context->result); + context->result=NULL; + } + + if(context->mid!=NULL) + { + Maat_clean_status(&context->mid); + context->mid=NULL; + } + + dictator_free(thread_seq, (void *)context); + context=NULL; + } + project_req_value=NULL; return ; } +static void free_tcpall_label(int thread_seq, void *project_req_value) +{ + if(project_req_value!=NULL) + { + struct tcpall_context *context=(struct tcpall_context *)project_req_value; + if(context->para!=NULL) + { + switch(context->method_type) + { + case TSG_METHOD_TYPE_MIRRORED: + dictator_free(thread_seq, (void *)(context->vlan)); + context->vlan=NULL; + break; + case TSG_METHOD_TYPE_RATE_LINIT: + destroy_bucket(&(context->bucket), thread_seq); + break; + default: + break; + } + } + + dictator_free(thread_seq, project_req_value); + project_req_value=NULL; + } + + return ; +} + static void free_policy_label(int thread_seq, void *project_req_value) { if(project_req_value!=NULL) @@ -764,40 +787,6 @@ static int scan_fqdn_category_id(Maat_feather_t maat_feather, const struct strea return scan_ret; } -void close_stream_free_context(const struct streaminfo *a_stream, struct master_context *context, int thread_seq) -{ - if(context!=NULL) - { - if(context->hit_cnt>0 && context->result!=NULL) - { - master_send_log(a_stream, context->result, context->hit_cnt, context->domain, context->proto, thread_seq); - } - - if(context->domain!=NULL) - { - dictator_free(thread_seq, (void *)context->domain); - context->domain=NULL; - } - - if(context->result!=NULL) - { - dictator_free(thread_seq, (void *)context->result); - context->result=NULL; - } - - if(context->mid!=NULL) - { - Maat_clean_status(&context->mid); - context->mid=NULL; - } - - dictator_free(thread_seq, (void *)context); - context=NULL; - } - - return ; -} - void set_session_attribute_label(const struct streaminfo *a_stream, enum TSG_ATTRIBUTE_TYPE type, void *value, int thread_seq) { unsigned long long create_time=0; @@ -1327,7 +1316,7 @@ static int app_identify_result_cb(const struct streaminfo *a_stream, int bridge_ } -static int master_deal_pending_state(const struct streaminfo *a_stream, struct master_context *context, struct Maat_rule_t *result, int result_num, void *a_packet) +static int deal_pending_state(const struct streaminfo *a_stream, struct master_context *context, struct Maat_rule_t *result, int result_num, void *a_packet) { int table_id=0; int ret=0,hit_num=0; @@ -1369,7 +1358,7 @@ static int master_deal_pending_state(const struct streaminfo *a_stream, struct m } -static unsigned char tsg_master_entry(const struct streaminfo *a_stream, void **pme, int thread_seq,void *a_packet) +static unsigned char tsg_master_data_entry(const struct streaminfo *a_stream, void **pme, int thread_seq,void *a_packet) { int i=0, ret=0, hit_num=0; unsigned char state=APP_STATE_GIVEME; @@ -1386,10 +1375,6 @@ static unsigned char tsg_master_entry(const struct streaminfo *a_stream, void ** init_context(pme, thread_seq); context=(struct master_context *)*pme; set_struct_project(a_stream, g_tsg_para.context_project_id, *pme); - if(is_xxx_proxy(a_stream)) //sock4/5 - { - context->is_proxy=1; - } } else { @@ -1410,7 +1395,7 @@ static unsigned char tsg_master_entry(const struct streaminfo *a_stream, void ** FS_operate(g_tsg_para.fs2_handle, g_tsg_para.fs2_field_id[TSG_FS2_UDP_LINKS], 0, FS_OP_ADD, 1); } - hit_num+=master_deal_pending_state(a_stream, context, scan_result+hit_num, MAX_RESULT_NUM-hit_num, a_packet); + hit_num+=deal_pending_state(a_stream, context, scan_result+hit_num, MAX_RESULT_NUM-hit_num, a_packet); p_result=tsg_policy_decision_criteria(scan_result, hit_num); if(g_tsg_para.default_compile_switch==1 && p_result==NULL) { @@ -1465,11 +1450,10 @@ static unsigned char tsg_master_entry(const struct streaminfo *a_stream, void ** if((a_stream->opstate==OP_STATE_CLOSE) || (state&APP_STATE_DROPME)==APP_STATE_DROPME) { - context=(struct master_context *)get_struct_project(a_stream, g_tsg_para.context_project_id); - if(context!=NULL && (is_free_context(a_stream, context->is_proxy))) + if(context!=NULL && context->is_log==0 && context->hit_cnt>0 && context->result!=NULL) { - close_stream_free_context(a_stream, context, thread_seq); - set_struct_project(a_stream, g_tsg_para.context_project_id, NULL); // + context->is_log=1; + master_send_log(a_stream, context->result, context->hit_cnt, context->domain, context->proto, thread_seq); } *pme=NULL; } @@ -1477,72 +1461,124 @@ static unsigned char tsg_master_entry(const struct streaminfo *a_stream, void ** return state; } -extern "C" unsigned char TSG_MASTER_TCP_ENTRY(const struct streaminfo *a_tcp, void **pme, int thread_seq,void *a_packet) +static unsigned char tsg_master_all_entry(const struct streaminfo *a_stream, unsigned char stream_state, void **pme, int thread_seq, const void *a_packet) { - return tsg_master_entry(a_tcp, pme, thread_seq, a_packet); -} - -extern "C" unsigned char TSG_MASTER_UDP_ENTRY(const struct streaminfo *a_udp, void **pme, int thread_seq,void *a_packet) -{ - return tsg_master_entry(a_udp, pme, thread_seq, a_packet); -} - -extern "C" unsigned char TSG_MASTER_TCPALL_ENTRY(const struct streaminfo *a_tcp, void **pme, int thread_seq, const void *a_packet) -{ - int hit_num=0; - int vlan_id_num=0; - int vlan_id[MAX_RESULT_NUM]={0}; + int ret=0,hit_num=0; + int vlan_num=0; + int eth_rawpkt_len=0; scan_status_t scan_mid=NULL; struct Maat_rule_t *p_result=NULL; unsigned char state=APP_STATE_GIVEME; - struct Maat_rule_t result[MAX_RESULT_NUM]={0}; + struct Maat_rule_t result[MAX_RESULT_NUM]={0}; + struct mirrored_vlan vlan[MAX_RESULT_NUM]={0}; struct tcpall_context *context=(struct tcpall_context *)(*pme); - if(a_tcp->pktstate==OP_STATE_PENDING) + switch(stream_state) { - hit_num=tsg_scan_nesting_addr(g_tsg_maat_feather, a_tcp, PROTO_UNKONWN, &scan_mid, result, MAX_RESULT_NUM); - if(hit_num>0) - { - p_result=tsg_policy_decision_criteria(result, hit_num); - switch(p_result->action) + case OP_STATE_PENDING: + hit_num=tsg_scan_nesting_addr(g_tsg_maat_feather, a_stream, PROTO_UNKONWN, &scan_mid, result, MAX_RESULT_NUM); + if(hit_num>0) { - case TSG_ACTION_DENY: - state=tsg_deal_deny_action(a_tcp, p_result, PROTO_UNKONWN, ACTION_RETURN_TYPE_APP, a_packet); - master_send_log(a_tcp, p_result, hit_num, NULL, PROTO_UNKONWN, thread_seq); + p_result=tsg_policy_decision_criteria(result, hit_num); + switch(p_result->action) + { + case TSG_ACTION_DENY: + state=tsg_deal_deny_action(a_stream, p_result, PROTO_UNKONWN, ACTION_RETURN_TYPE_APP, a_packet); + master_send_log(a_stream, p_result, hit_num, NULL, PROTO_UNKONWN, thread_seq); + break; + case TSG_ACTION_MONITOR: + vlan_num=tsg_get_vlan_id_by_monitor_rule(g_tsg_maat_feather, result, hit_num, vlan, MAX_RESULT_NUM); + ret=tsg_set_vlan_id_to_tcpall(a_stream, &context, vlan, vlan_num, thread_seq); + if(ret<=0) + { + break; + } + + *pme=(void *)(context); + tsg_send_raw_packet(a_stream, context->vlan, context->vlan_num, thread_seq); + break; + default: + break; + } + } + + Maat_clean_status(&scan_mid); + scan_mid=NULL; + case OP_STATE_DATA: + case OP_STATE_CLOSE: + if(context==NULL || context->para==NULL) + { break; - case TSG_ACTION_MONITOR: - vlan_id_num=tsg_get_vlan_id_by_monitor_rule(g_tsg_maat_feather, result, hit_num, vlan_id, MAX_RESULT_NUM); - if(vlan_id_num<=0) - { + } + + switch(context->method_type) + { + case TSG_METHOD_TYPE_MIRRORED: + tsg_send_raw_packet(a_stream, context->vlan, context->vlan_num, thread_seq); break; - } - - set_vlan_id_to_project(a_tcp, &context, vlan_id, vlan_id_num, thread_seq); - *pme=(void *)(context); + case TSG_METHOD_TYPE_RATE_LINIT: + eth_rawpkt_len=get_raw_packet_len(a_stream); + if(eth_rawpkt_len<=0) + { + break; + } - tsg_send_raw_packet(a_tcp, context->vlan_id, context->vlan_id_num, thread_seq); - break; - default: - break; - } - } - - Maat_clean_status(&scan_mid); - scan_mid=NULL; + ret=is_permit_pass(eth_rawpkt_len, context->bucket, thread_seq); + if(ret==0) + { + state=APP_STATE_GIVEME|APP_STATE_DROPPKT; + } + break; + default: + break; + } + break; + default: + break; } - - if(context!=NULL && context->vlan_id_num>0) + + return state; +} + +extern "C" unsigned char TSG_MASTER_TCP_ENTRY(const struct streaminfo *a_tcp, void **pme, int thread_seq,void *a_packet) +{ + return tsg_master_data_entry(a_tcp, pme, thread_seq, a_packet); +} + +struct udp_context +{ + struct master_context *data_entry; + struct tcpall_context *all_entry; +}; + +extern "C" unsigned char TSG_MASTER_UDP_ENTRY(const struct streaminfo *a_udp, void **pme, int thread_seq,void *a_packet) +{ + unsigned char state1=APP_STATE_GIVEME; + unsigned char state2=APP_STATE_GIVEME; + struct udp_context *context=(struct udp_context *)(*pme); + + if(*pme==NULL) { - tsg_send_raw_packet(a_tcp, context->vlan_id, context->vlan_id_num, thread_seq); + *pme=dictator_malloc(thread_seq, sizeof(struct udp_context)); + memset(*pme, 0, sizeof(struct udp_context)); + context=(struct udp_context *)(*pme); } + + state1=tsg_master_all_entry(a_udp, a_udp->opstate, (void **)&(context->all_entry), thread_seq, a_packet); + state2=tsg_master_data_entry(a_udp, (void **)&(context->data_entry), thread_seq, a_packet); - if(a_tcp->pktstate==OP_STATE_CLOSE && (*pme)!=NULL) + if(state1&APP_STATE_DROPME || state2&APP_STATE_DROPME || a_udp->opstate==OP_STATE_CLOSE) { dictator_free(thread_seq, *pme); *pme=NULL; } - - return state; + + return (state1|state2); +} + +extern "C" unsigned char TSG_MASTER_TCPALL_ENTRY(const struct streaminfo *a_tcp, void **pme, int thread_seq, const void *a_packet) +{ + return tsg_master_all_entry(a_tcp, a_tcp->pktstate, pme, thread_seq, a_packet); } extern "C" int TSG_MASTER_INIT() @@ -1642,7 +1678,7 @@ extern "C" int TSG_MASTER_INIT() return -1; } - g_tsg_para.tcpall_project_id=project_producer_register("TSG_TCPALL_CONTEXT", PROJECT_VAL_TYPE_STRUCT, free_context_label); + g_tsg_para.tcpall_project_id=project_producer_register("TSG_TCPALL_CONTEXT", PROJECT_VAL_TYPE_STRUCT, free_tcpall_label); if(g_tsg_para.tcpall_project_id<0) { MESA_handle_runtime_log(g_tsg_para.logger, RLOG_LV_FATAL, "CONTEXT_LABEL", "project_customer_register is error, context label: %s","TSG_TCPALL_CONTEXT"); |
