72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/*
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* ZMap Copyright 2013 Regents of the University of Michigan
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy
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* of the License at http://www.apache.org/licenses/LICENSE-2.0
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*/
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#include "utility.h"
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#include <stdio.h>
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#include <arpa/inet.h>
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#include "state.h"
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#include "../lib/logger.h"
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in_addr_t string_to_ip_address(char *t)
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{
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in_addr_t r = inet_addr(t);
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if (r == INADDR_NONE) {
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log_fatal("send", "invalid ip address: `%s'", t);
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}
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return r;
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}
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void add_to_array(char *to_add)
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{
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if (zconf.number_source_ips >= 256) {
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// log fatal here
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log_fatal("parse", "over 256 source IP addresses provided");
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}
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log_debug("SEND", "ipaddress: %s\n", to_add);
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zconf.source_ip_addresses[zconf.number_source_ips] =
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string_to_ip_address(to_add);
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zconf.number_source_ips++;
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}
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void parse_source_ip_addresses(char given_string[])
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{
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char *dash = strchr(given_string, '-');
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char *comma = strchr(given_string, ',');
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if (dash && comma) {
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*comma = '\0';
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parse_source_ip_addresses(given_string);
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parse_source_ip_addresses(comma + 1);
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} else if (comma) {
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while (comma) {
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*comma = '\0';
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add_to_array(given_string);
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given_string = comma + 1;
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comma = strchr(given_string, ',');
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if (!comma) {
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add_to_array(given_string);
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}
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}
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} else if (dash) {
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*dash = '\0';
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log_debug("SEND", "address: %s\n", given_string);
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log_debug("SEND", "address: %s\n", dash + 1);
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in_addr_t start = ntohl(string_to_ip_address(given_string));
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in_addr_t end = ntohl(string_to_ip_address(dash + 1)) + 1;
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while (start != end) {
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struct in_addr temp;
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temp.s_addr = htonl(start);
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add_to_array(strdup(inet_ntoa(temp)));
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start++;
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}
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} else {
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add_to_array(given_string);
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}
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}
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