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Diffstat (limited to 'example/ndpiReader.c')
-rw-r--r--example/ndpiReader.c92
1 files changed, 58 insertions, 34 deletions
diff --git a/example/ndpiReader.c b/example/ndpiReader.c
index 0c0c2c8a6..f70ebd785 100644
--- a/example/ndpiReader.c
+++ b/example/ndpiReader.c
@@ -89,7 +89,7 @@ static u_int8_t stats_flag = 0, bpf_filter_flag = 0;
static u_int8_t file_first_time = 1;
#endif
u_int8_t human_readeable_string_len = 5;
-u_int8_t max_num_udp_dissected_pkts = 16 /* 8 is enough for most protocols, Signal requires more */, max_num_tcp_dissected_pkts = 10;
+u_int8_t max_num_udp_dissected_pkts = 16 /* 8 is enough for most protocols, Signal requires more */, max_num_tcp_dissected_pkts = 32 /* due to telnet */;
static u_int32_t pcap_analysis_duration = (u_int32_t)-1;
static u_int16_t decode_tunnels = 0;
static u_int16_t num_loops = 1;
@@ -998,6 +998,23 @@ static char* is_unsafe_cipher(ndpi_cipher_weakness c) {
/* ********************************** */
+char* printUrlRisk(ndpi_url_risk risk) {
+ switch(risk) {
+ case ndpi_url_no_problem:
+ return("");
+ break;
+ case ndpi_url_possible_xss:
+ return(" ** XSS **");
+ break;
+ case ndpi_url_possible_sql_injection:
+ return(" ** SQL Injection **");
+ break;
+ }
+
+ return("");
+}
+/* ********************************** */
+
/**
* @brief Print the flow
*/
@@ -1007,9 +1024,9 @@ static void printFlow(u_int16_t id, struct ndpi_flow_info *flow, u_int16_t threa
#endif
FILE *out = results_file ? results_file : stdout;
u_int8_t known_tls;
+ char buf[32], buf1[64];
if(csv_fp != NULL) {
- char buf[32];
float data_ratio = ndpi_data_ratio(flow->src2dst_bytes, flow->dst2src_bytes);
float f = (float)flow->first_seen, l = (float)flow->last_seen;
@@ -1071,9 +1088,13 @@ static void printFlow(u_int16_t id, struct ndpi_flow_info *flow, u_int16_t threa
if(!json_flag) {
u_int i;
-
- fprintf(out, "\t%u", id);
+#if 1
+ fprintf(out, "\t%u", id);
+#else
+ fprintf(out, "\t%u(%u)", id, flow->flow_id);
+#endif
+
fprintf(out, "\t%s ", ipProto2Name(flow->protocol));
fprintf(out, "%s%s%s:%u %s %s%s%s:%u ",
@@ -1093,18 +1114,12 @@ static void printFlow(u_int16_t id, struct ndpi_flow_info *flow, u_int16_t threa
fflush(out);
fprintf(out, "[score: %.4f]", flow->entropy.score);
}
-
- if(flow->detected_protocol.master_protocol) {
- char buf[64];
-
- fprintf(out, "[proto: %u.%u/%s]",
- flow->detected_protocol.master_protocol, flow->detected_protocol.app_protocol,
- ndpi_protocol2name(ndpi_thread_info[thread_id].workflow->ndpi_struct,
- flow->detected_protocol, buf, sizeof(buf)));
- } else
- fprintf(out, "[proto: %u/%s]",
- flow->detected_protocol.app_protocol,
- ndpi_get_proto_name(ndpi_thread_info[thread_id].workflow->ndpi_struct, flow->detected_protocol.app_protocol));
+
+ fprintf(out, "[proto: %s/%s]",
+ ndpi_protocol2id(ndpi_thread_info[thread_id].workflow->ndpi_struct,
+ flow->detected_protocol, buf, sizeof(buf)),
+ ndpi_protocol2name(ndpi_thread_info[thread_id].workflow->ndpi_struct,
+ flow->detected_protocol, buf1, sizeof(buf1)));
if(flow->detected_protocol.category != 0)
fprintf(out, "[cat: %s/%u]",
@@ -1117,6 +1132,7 @@ static void printFlow(u_int16_t id, struct ndpi_flow_info *flow, u_int16_t threa
(flow->dst2src_packets > 0) ? "<->" : "->",
flow->dst2src_packets, (long long unsigned int) flow->dst2src_bytes);
+ if(flow->telnet.username[0] != '\0') fprintf(out, "[Username: %s]", flow->telnet.username);
if(flow->host_server_name[0] != '\0') fprintf(out, "[Host: %s]", flow->host_server_name);
if(flow->info[0] != '\0') fprintf(out, "[%s]", flow->info);
@@ -1144,8 +1160,11 @@ static void printFlow(u_int16_t id, struct ndpi_flow_info *flow, u_int16_t threa
}
if(flow->http.url[0] != '\0')
- fprintf(out, "[URL: %s][StatusCode: %u]",
- flow->http.url, flow->http.response_status_code);
+ fprintf(out, "[URL: %s%s][StatusCode: %u][ContentType: %s][UserAgent: %s]",
+ flow->http.url,
+ printUrlRisk(ndpi_validate_url(flow->http.url)),
+ flow->http.response_status_code,
+ flow->http.content_type, flow->http.user_agent);
if(flow->ssh_tls.ssl_version != 0) fprintf(out, "[%s]", ndpi_ssl_version2str(flow->ssh_tls.ssl_version, &known_tls));
if(flow->ssh_tls.client_info[0] != '\0') fprintf(out, "[Client: %s]", flow->ssh_tls.client_info);
@@ -1273,7 +1292,9 @@ static void node_print_unknown_proto_walker(const void *node,
struct ndpi_flow_info *flow = *(struct ndpi_flow_info**)node;
u_int16_t thread_id = *((u_int16_t*)user_data);
- if(flow->detected_protocol.app_protocol != NDPI_PROTOCOL_UNKNOWN) return;
+ if((flow->detected_protocol.master_protocol != NDPI_PROTOCOL_UNKNOWN)
+ || (flow->detected_protocol.app_protocol != NDPI_PROTOCOL_UNKNOWN))
+ return;
if((which == ndpi_preorder) || (which == ndpi_leaf)) {
/* Avoid walking the same node multiple times */
@@ -1292,7 +1313,9 @@ static void node_print_known_proto_walker(const void *node,
struct ndpi_flow_info *flow = *(struct ndpi_flow_info**)node;
u_int16_t thread_id = *((u_int16_t*)user_data);
- if(flow->detected_protocol.app_protocol == NDPI_PROTOCOL_UNKNOWN) return;
+ if((flow->detected_protocol.master_protocol == NDPI_PROTOCOL_UNKNOWN)
+ && (flow->detected_protocol.app_protocol == NDPI_PROTOCOL_UNKNOWN))
+ return;
if((which == ndpi_preorder) || (which == ndpi_leaf)) {
/* Avoid walking the same node multiple times */
@@ -1308,7 +1331,7 @@ static void node_print_known_proto_walker(const void *node,
*/
static void node_proto_guess_walker(const void *node, ndpi_VISIT which, int depth, void *user_data) {
struct ndpi_flow_info *flow = *(struct ndpi_flow_info **) node;
- u_int16_t thread_id = *((u_int16_t *) user_data);
+ u_int16_t thread_id = *((u_int16_t *) user_data), proto;
if((which == ndpi_preorder) || (which == ndpi_leaf)) { /* Avoid walking the same node multiple times */
if((!flow->detection_completed) && flow->ndpi_flow) {
@@ -1320,9 +1343,11 @@ static void node_proto_guess_walker(const void *node, ndpi_VISIT which, int dept
process_ndpi_collected_info(ndpi_thread_info[thread_id].workflow, flow);
- ndpi_thread_info[thread_id].workflow->stats.protocol_counter[flow->detected_protocol.app_protocol] += flow->src2dst_packets + flow->dst2src_packets;
- ndpi_thread_info[thread_id].workflow->stats.protocol_counter_bytes[flow->detected_protocol.app_protocol] += flow->src2dst_bytes + flow->dst2src_bytes;
- ndpi_thread_info[thread_id].workflow->stats.protocol_flows[flow->detected_protocol.app_protocol]++;
+ proto = flow->detected_protocol.app_protocol ? flow->detected_protocol.app_protocol : flow->detected_protocol.master_protocol;
+
+ ndpi_thread_info[thread_id].workflow->stats.protocol_counter[proto] += flow->src2dst_packets + flow->dst2src_packets;
+ ndpi_thread_info[thread_id].workflow->stats.protocol_counter_bytes[proto] += flow->src2dst_bytes + flow->dst2src_bytes;
+ ndpi_thread_info[thread_id].workflow->stats.protocol_flows[proto]++;
}
}
@@ -1699,7 +1724,7 @@ static void deleteScanners(struct single_flow_info *scanners) {
HASH_ITER(hh, scanners, s, tmp) {
HASH_ITER(hh, s->ports, p, tmp2) {
- HASH_DEL(s->ports, p);
+ if(s->ports) HASH_DEL(s->ports, p);
free(p);
}
HASH_DEL(scanners, s);
@@ -1860,11 +1885,6 @@ static void setupDetection(u_int16_t thread_id, pcap_t * pcap_handle) {
ndpi_thread_info[thread_id].workflow = ndpi_workflow_init(&prefs, pcap_handle);
/* Preferences */
- ndpi_set_detection_preferences(ndpi_thread_info[thread_id].workflow->ndpi_struct,
- ndpi_pref_http_dont_dissect_response, 0);
- ndpi_set_detection_preferences(ndpi_thread_info[thread_id].workflow->ndpi_struct,
- ndpi_pref_dns_dont_dissect_response, 0);
-
ndpi_workflow_set_flow_detected_callback(ndpi_thread_info[thread_id].workflow,
on_protocol_discovered,
(void *)(uintptr_t)thread_id);
@@ -2601,11 +2621,13 @@ static void printFlowsStats() {
//freeing the hash table
HASH_ITER(hh, ja3ByHostsHashT, ja3ByHost_element, tmp) {
HASH_ITER(hh, ja3ByHost_element->host_client_info_hasht, info_of_element, tmp2) {
- HASH_DEL(ja3ByHost_element->host_client_info_hasht, info_of_element);
+ if(ja3ByHost_element->host_client_info_hasht)
+ HASH_DEL(ja3ByHost_element->host_client_info_hasht, info_of_element);
free(info_of_element);
}
HASH_ITER(hh, ja3ByHost_element->host_server_info_hasht, info_of_element, tmp2) {
- HASH_DEL(ja3ByHost_element->host_server_info_hasht, info_of_element);
+ if(ja3ByHost_element->host_server_info_hasht)
+ HASH_DEL(ja3ByHost_element->host_server_info_hasht, info_of_element);
free(info_of_element);
}
HASH_DEL(ja3ByHostsHashT, ja3ByHost_element);
@@ -2614,7 +2636,8 @@ static void printFlowsStats() {
HASH_ITER(hh, hostByJA3C_ht, hostByJA3Element, tmp3) {
HASH_ITER(hh, hostByJA3C_ht->ipToDNS_ht, innerHashEl, tmp4) {
- HASH_DEL(hostByJA3Element->ipToDNS_ht, innerHashEl);
+ if(hostByJA3Element->ipToDNS_ht)
+ HASH_DEL(hostByJA3Element->ipToDNS_ht, innerHashEl);
free(innerHashEl);
}
HASH_DEL(hostByJA3C_ht, hostByJA3Element);
@@ -2624,7 +2647,8 @@ static void printFlowsStats() {
hostByJA3Element = NULL;
HASH_ITER(hh, hostByJA3S_ht, hostByJA3Element, tmp3) {
HASH_ITER(hh, hostByJA3S_ht->ipToDNS_ht, innerHashEl, tmp4) {
- HASH_DEL(hostByJA3Element->ipToDNS_ht, innerHashEl);
+ if(hostByJA3Element->ipToDNS_ht)
+ HASH_DEL(hostByJA3Element->ipToDNS_ht, innerHashEl);
free(innerHashEl);
}
HASH_DEL(hostByJA3S_ht, hostByJA3Element);