Add json_file output format (uses json-c)
This commit is contained in:
HD Moore
parent
01f4f985a1
commit
9d31ee1a62
6
INSTALL
6
INSTALL
@ -24,3 +24,9 @@ Redis support is not enabled by default. If you are want to use ZMap
|
||||
with Redis, you will first need to install Hiredis. Then, rebuild
|
||||
ZMap with the command "make REDIS=true".
|
||||
|
||||
JSON support is not enabled by default. If you are want to use ZMap
|
||||
with JSON output, you will first need to install json-c. Then, rebuild
|
||||
ZMap with the command "make JSON=true".
|
||||
|
||||
Installing json-c requires git and autotools to be available. For more
|
||||
information on how to install json-c, please see http://github.com/json-c/json-c
|
||||
|
||||
@ -43,6 +43,12 @@ ifeq ($(REDIS), true)
|
||||
CFLAGS+=-DREDIS
|
||||
endif
|
||||
|
||||
ifeq ($(JSON), true)
|
||||
LDLIBS += $(shell pkg-config --libs json-c)
|
||||
CFLAGS += $(shell pkg-config --cflags json-c) -DJSON
|
||||
objects+=module_json.o
|
||||
endif
|
||||
|
||||
all: $(TARGETS)
|
||||
|
||||
$(TARGETS):
|
||||
|
||||
236
src/output_modules/module_json.c
Normal file
236
src/output_modules/module_json.c
Normal file
@ -0,0 +1,236 @@
|
||||
/*
|
||||
* ZMap Copyright 2013 Regents of the University of Michigan
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
|
||||
* use this file except in compliance with the License. You may obtain a copy
|
||||
* of the License at http://www.apache.org/licenses/LICENSE-2.0
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <time.h>
|
||||
#include <assert.h>
|
||||
|
||||
#include <sys/time.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/in.h>
|
||||
#include <netinet/tcp.h>
|
||||
#include <netinet/udp.h>
|
||||
#include <netinet/ip_icmp.h>
|
||||
#include <arpa/inet.h>
|
||||
|
||||
#include <json.h>
|
||||
|
||||
#include "../../lib/logger.h"
|
||||
|
||||
#include "output_modules.h"
|
||||
|
||||
static FILE *file = NULL;
|
||||
#define UNUSED __attribute__((unused))
|
||||
|
||||
|
||||
//#define json_object_object_add(a,b,c) { fprintf(stderr, "adding %s\n", b); json_object_object_add(a,b,c); }
|
||||
|
||||
int json_output_file_init(struct state_conf *conf)
|
||||
{
|
||||
json_object *obj = json_object_new_object();
|
||||
assert(conf);
|
||||
|
||||
if (conf->output_filename) {
|
||||
if (!strcmp(conf->output_filename, "-")) {
|
||||
file = stdout;
|
||||
} else {
|
||||
if (!(file = fopen(conf->output_filename, "w"))) {
|
||||
perror("Couldn't open output file");
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
}
|
||||
|
||||
// Create a header json object to describe this output file
|
||||
json_object_object_add(obj, "type", json_object_new_string("header"));
|
||||
json_object_object_add(obj, "log_level", json_object_new_int(conf->log_level));
|
||||
json_object_object_add(obj, "target_port", json_object_new_int(conf->target_port));
|
||||
json_object_object_add(obj, "source_port_first", json_object_new_int(conf->source_port_first));
|
||||
json_object_object_add(obj, "source_port_last", json_object_new_int(conf->source_port_last));
|
||||
json_object_object_add(obj, "max_targets", json_object_new_int(conf->max_targets));
|
||||
json_object_object_add(obj, "max_runtime", json_object_new_int(conf->max_runtime));
|
||||
json_object_object_add(obj, "max_results", json_object_new_int(conf->max_results));
|
||||
if (conf->iface) json_object_object_add(obj, "iface", json_object_new_string(conf->iface));
|
||||
json_object_object_add(obj, "rate", json_object_new_int(conf->rate));
|
||||
|
||||
json_object_object_add(obj, "bandwidth", json_object_new_int64(conf->bandwidth));
|
||||
json_object_object_add(obj, "cooldown_secs", json_object_new_int(conf->cooldown_secs));
|
||||
json_object_object_add(obj, "senders", json_object_new_int(conf->senders));
|
||||
json_object_object_add(obj, "use_seed", json_object_new_int(conf->use_seed));
|
||||
json_object_object_add(obj, "seed", json_object_new_int(conf->seed));
|
||||
json_object_object_add(obj, "generator", json_object_new_int(conf->generator));
|
||||
|
||||
json_object_object_add(obj, "packet_streams", json_object_new_int(conf->packet_streams));
|
||||
|
||||
//json_object_object_add(obj, "probe_module", json_object_new_string(conf->probe_module->name));
|
||||
//json_object_object_add(obj, "output_module", json_object_new_string(conf->output_module->name));
|
||||
|
||||
if (conf->probe_args) json_object_object_add(obj, "probe_args", json_object_new_string(conf->probe_args));
|
||||
if (conf->output_args) json_object_object_add(obj, "output_args", json_object_new_string(conf->output_args));
|
||||
|
||||
// macaddr_t gw_mac[IFHWADDRLEN];
|
||||
//json_object_object_add(obj, "gw_mac", json_object_new_string(conf->gw_mac));
|
||||
|
||||
json_object_object_add(obj, "source_ip_first", json_object_new_string(conf->source_ip_first));
|
||||
json_object_object_add(obj, "source_ip_last", json_object_new_string(conf->source_ip_last));
|
||||
json_object_object_add(obj, "output_filename", json_object_new_string(conf->output_filename));
|
||||
if (conf->blacklist_filename) json_object_object_add(obj, "blacklist_filename", json_object_new_string(conf->blacklist_filename));
|
||||
if (conf->whitelist_filename) json_object_object_add(obj, "whitelist_filename", json_object_new_string(conf->whitelist_filename));
|
||||
json_object_object_add(obj, "dryrun", json_object_new_int(conf->dryrun));
|
||||
json_object_object_add(obj, "summary", json_object_new_int(conf->summary));
|
||||
json_object_object_add(obj, "quiet", json_object_new_int(conf->quiet));
|
||||
json_object_object_add(obj, "recv_ready", json_object_new_int(conf->recv_ready));
|
||||
|
||||
|
||||
fprintf(file, "%s\n", json_object_to_json_string(obj));
|
||||
}
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
||||
static void json_output_file_store_tv(json_object *obj, struct timeval *tv)
|
||||
{
|
||||
char time_string[40];
|
||||
struct tm *ptm = localtime(&tv->tv_sec);
|
||||
long milliseconds = tv->tv_usec / 1000;
|
||||
|
||||
strftime(time_string, sizeof (time_string), "%Y-%m-%d %H:%M:%S", ptm);
|
||||
|
||||
json_object_object_add(obj, "t", json_object_new_string(time_string));
|
||||
json_object_object_add(obj, "ts", json_object_new_int(tv->tv_sec));
|
||||
json_object_object_add(obj, "tm", json_object_new_int(milliseconds));
|
||||
}
|
||||
|
||||
static void json_output_file_store_data(json_object *obj, const u_char *packet, size_t buflen)
|
||||
{
|
||||
unsigned int i;
|
||||
char *buf;
|
||||
|
||||
buf = malloc((buflen*2)+1);
|
||||
buf[buflen*2] = 0;
|
||||
|
||||
for (i=0; i<buflen; i++)
|
||||
snprintf(buf + (i*2), 3, "%.2x", packet[i]);
|
||||
json_object_object_add(obj, "data", json_object_new_string(buf));
|
||||
json_object_object_add(obj, "length", json_object_new_int(buflen));
|
||||
free(buf);
|
||||
}
|
||||
|
||||
|
||||
int json_output_file_ip(ipaddr_n_t saddr, ipaddr_n_t daddr,
|
||||
const char *response_type, int is_repeat,
|
||||
int in_cooldown, const u_char *packet, size_t buflen)
|
||||
{
|
||||
struct iphdr *ip_hdr = (struct iphdr *)&packet[sizeof(struct ethhdr)];
|
||||
int data_offset = 0;
|
||||
struct timeval t;
|
||||
char tbuff[16];
|
||||
struct tcphdr *tcp;
|
||||
struct udphdr *udp;
|
||||
struct icmphdr *icmp;
|
||||
struct in_addr addr;
|
||||
|
||||
json_object *obj = json_object_new_object();
|
||||
|
||||
if (buflen < (sizeof(struct ethhdr) + ip_hdr->ihl*4))
|
||||
return EXIT_FAILURE;
|
||||
|
||||
if (buflen < (sizeof(struct ethhdr) + ip_hdr->ihl*4 + sizeof(struct tcphdr)) && ip_hdr->protocol == IPPROTO_TCP)
|
||||
return EXIT_FAILURE;
|
||||
|
||||
if (buflen < (sizeof(struct ethhdr) + ip_hdr->ihl*4 + sizeof(struct udphdr)) && ip_hdr->protocol == IPPROTO_UDP)
|
||||
return EXIT_FAILURE;
|
||||
|
||||
if (buflen < (sizeof(struct ethhdr) + ip_hdr->ihl*4 + sizeof(struct icmphdr)) && ip_hdr->protocol == IPPROTO_ICMP)
|
||||
return EXIT_FAILURE;
|
||||
|
||||
if (!file)
|
||||
return EXIT_SUCCESS;
|
||||
|
||||
json_object_object_add(obj, "type", json_object_new_string("result"));
|
||||
json_object_object_add(obj, "response-type", json_object_new_string(response_type));
|
||||
|
||||
addr.s_addr = saddr;
|
||||
json_object_object_add(obj, "saddr", json_object_new_string(inet_ntoa(addr)));
|
||||
|
||||
addr.s_addr = daddr;
|
||||
json_object_object_add(obj, "daddr", json_object_new_string(inet_ntoa(addr)));
|
||||
|
||||
switch(ip_hdr->protocol){
|
||||
case IPPROTO_ICMP:
|
||||
icmp = (struct icmphdr *)((char *)ip_hdr + ip_hdr->ihl * 4);
|
||||
json_object_object_add(obj, "proto", json_object_new_string("icmp"));
|
||||
json_object_object_add(obj, "icmp_type", json_object_new_int(icmp->type));
|
||||
json_object_object_add(obj, "icmp_code", json_object_new_int(icmp->code));
|
||||
break;
|
||||
|
||||
case IPPROTO_IGMP:
|
||||
json_object_object_add(obj, "protocol", json_object_new_string("igmp"));
|
||||
break;
|
||||
|
||||
case IPPROTO_TCP:
|
||||
tcp = (struct tcphdr *)((char *)ip_hdr + ip_hdr->ihl * 4);
|
||||
json_object_object_add(obj, "proto", json_object_new_string("tcp"));
|
||||
json_object_object_add(obj, "sport", json_object_new_int(ntohs(tcp->source)));
|
||||
json_object_object_add(obj, "dport", json_object_new_int(ntohs(tcp->dest)));
|
||||
// Print these as 64-bit bits to keep the printed value unsigned
|
||||
json_object_object_add(obj, "seq", json_object_new_int64(ntohl(tcp->seq)));
|
||||
json_object_object_add(obj, "ack", json_object_new_int64(ntohl(tcp->ack_seq)));
|
||||
data_offset = sizeof(struct ethhdr) + ip_hdr->ihl*4 + tcp->doff*4;
|
||||
break;
|
||||
|
||||
case IPPROTO_UDP:
|
||||
udp = (struct udphdr *)((char *)ip_hdr + ip_hdr->ihl * 4);
|
||||
json_object_object_add(obj, "proto", json_object_new_string("udp"));
|
||||
json_object_object_add(obj, "sport", json_object_new_int(ntohs(udp->source)));
|
||||
json_object_object_add(obj, "dport", json_object_new_int(ntohs(udp->dest)));
|
||||
data_offset = sizeof(struct ethhdr) + ip_hdr->ihl*4 + sizeof(struct udphdr);
|
||||
break;
|
||||
|
||||
default:
|
||||
memset(tbuff, 0, sizeof(tbuff));
|
||||
snprintf(tbuff, sizeof(tbuff)-1, "proto-%d", ip_hdr->protocol);
|
||||
json_object_object_add(obj, "proto", json_object_new_string(tbuff));
|
||||
}
|
||||
|
||||
json_object_object_add(obj, "in_cooldown", json_object_new_int(in_cooldown));
|
||||
json_object_object_add(obj, "is_repeat", json_object_new_int(is_repeat));
|
||||
|
||||
gettimeofday(&t, NULL);
|
||||
json_output_file_store_tv(obj, &t);
|
||||
|
||||
if ((ip_hdr->protocol == IPPROTO_UDP || ip_hdr->protocol == IPPROTO_ICMP) && buflen - data_offset > 0)
|
||||
json_output_file_store_data(obj, packet + data_offset, buflen - data_offset);
|
||||
|
||||
fprintf(file, "%s\n", json_object_to_json_string(obj));
|
||||
fflush(file);
|
||||
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
||||
int json_output_file_close(UNUSED struct state_conf* c,
|
||||
UNUSED struct state_send* s, UNUSED struct state_recv* r)
|
||||
{
|
||||
if (file) {
|
||||
fflush(file);
|
||||
fclose(file);
|
||||
}
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
||||
output_module_t module_json_file = {
|
||||
.name = "json_file",
|
||||
.init = &json_output_file_init,
|
||||
.start = NULL,
|
||||
.update = NULL,
|
||||
.update_interval = 0,
|
||||
.close = &json_output_file_close,
|
||||
.success_ip = &json_output_file_ip,
|
||||
.other_ip = &json_output_file_ip
|
||||
};
|
||||
|
||||
@ -21,6 +21,9 @@ extern output_module_t module_redis;
|
||||
extern output_module_t module_ssldbfeed;
|
||||
#endif
|
||||
|
||||
#ifdef JSON
|
||||
extern output_module_t module_json_file;
|
||||
#endif
|
||||
|
||||
output_module_t* output_modules[] = {
|
||||
&module_simple_file,
|
||||
@ -28,6 +31,9 @@ output_module_t* output_modules[] = {
|
||||
#ifdef REDIS
|
||||
&module_redis,
|
||||
&module_ssldbfeed,
|
||||
#endif
|
||||
#ifdef JSON
|
||||
&module_json_file,
|
||||
#endif
|
||||
// ADD YOUR MODULE HERE
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user