zmap-freebsd/src/output_modules/module_simple_file.c
2013-08-16 11:12:47 -04:00

76 lines
1.6 KiB
C

/*
* 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 <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <assert.h>
#include <logger.h>
#include "output_modules.h"
#define UNUSED __attribute__((unused))
static FILE *file = NULL;
int simplefile_init(struct state_conf *conf)
{
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);
}
}
}
return EXIT_SUCCESS;
}
int simplefile_synack_newip(ipaddr_n_t saddr, UNUSED ipaddr_n_t daddr,
UNUSED const char *response_type,
int is_repeat, UNUSED int in_cooldown, UNUSED const u_char *packet,
UNUSED size_t buflen)
{
if (file && !is_repeat) {
struct in_addr addr;
addr.s_addr = saddr;
fprintf(file, "%s\n", inet_ntoa(addr));
}
fflush(file);
return EXIT_SUCCESS;
}
int simplefile_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_simple_file = {
.name = "simple_file",
.init = &simplefile_init,
.start = NULL,
.update = NULL,
.update_interval = 0,
.close = &simplefile_close,
.success_ip = &simplefile_synack_newip,
.other_ip = NULL,
};