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main.c
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main.c
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/* Released under GPLv2 with exception for the OpenSSL library. See license.txt */
/* $Revision$ */
#define _GNU_SOURCE
#include <sys/ioctl.h>
#include <stdio.h>
#include <locale.h>
#include <libintl.h>
#include <stdlib.h>
#include <errno.h>
#include <math.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#include <getopt.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <netdb.h>
#ifndef NO_SSL
#include <openssl/ssl.h>
#include "mssl.h"
#endif
#include <arpa/inet.h>
#include <time.h>
#include <sys/time.h>
#if defined(sun) || defined(__sun)
#include <sys/termios.h>
#endif
#ifdef NC
#include <ncurses.h>
#endif
#include "gen.h"
#include "help.h"
#include "colors.h"
#include "http.h"
#include "io.h"
#include "tcp.h"
#include "res.h"
#include "utils.h"
#include "error.h"
#include "socks5.h"
#ifdef NC
#include "nc.h"
#endif
#include "cookies.h"
volatile int stop = 0;
int quiet = 0;
char machine_readable = 0;
char json_output = 0;
char show_ts = 0;
int max_x = 80, max_y = 24;
char nagios_mode = 0;
char ncurses_mode = 0;
int fd = -1;
void determine_terminal_size(int *max_y, int *max_x)
{
struct winsize size;
*max_x = *max_y = 0;
if (!isatty(1))
{
*max_y = 24;
*max_x = 80;
}
#ifdef TIOCGWINSZ
else if (ioctl(1, TIOCGWINSZ, &size) == 0)
{
*max_y = size.ws_row;
*max_x = size.ws_col;
}
#endif
if (!*max_x || !*max_y)
{
char *dummy = getenv("COLUMNS");
if (dummy)
*max_x = atoi(dummy);
else
*max_x = 80;
dummy = getenv("LINES");
if (dummy)
*max_y = atoi(dummy);
else
*max_y = 24;
}
}
void emit_statuslines(double run_time)
{
#ifdef NC
if (ncurses_mode)
{
time_t t = time(NULL);
char *t_str = ctime(&t);
char *dummy = strchr(t_str, '\n');
if (dummy)
*dummy = 0x00;
status_line(gettext("%s, run time: %.3fs, press ctrl + c to stop"), t_str, run_time);
}
#else
(void)run_time;
#endif
}
void emit_headers(char *in)
{
#ifdef NC
static char shown = 0;
int len_in = -1;
if (!shown && ncurses_mode && in != NULL && (len_in = strlen(in) - 4) > 0)
{
int pos = 0, pos_out = 0;
char *copy = (char *)malloc(len_in + 1), *dummy = NULL;
for(pos=0; pos<len_in; pos++)
{
if (in[pos] != '\r')
copy[pos_out++] = in[pos];
}
copy[pos_out] = 0x00;
/* in case more than the headers were sent */
dummy = strstr(copy, "\n\n");
if (dummy)
*dummy = 0x00;
slow_log("\n%s", copy);
free(copy);
shown = 1;
}
#else
(void)in;
#endif
}
void emit_json(char ok, int seq, double start_ts, stats_t *t_resolve, stats_t *t_connect, stats_t *t_request, int http_code, const char *msg, int header_size, int data_size, double Bps, const char *host, const char *ssl_fp, double toff_diff_ts, char tfo_success, stats_t *t_ssl, stats_t *t_write, stats_t *t_close, int n_cookies, stats_t *stats_to, stats_t *tcp_rtt_stats, int re_tx, int pmtu, int recv_tos, stats_t *t_total)
{
if (seq > 1)
printf(", \n");
printf("{ ");
printf("\"status\" : \"%d\", ", ok);
printf("\"seq\" : \"%d\", ", seq);
printf("\"start_ts\" : \"%f\", ", start_ts);
if (t_resolve!=NULL && t_resolve -> cur_valid)
printf("\"resolve_ms\" : \"%e\", ", t_resolve -> cur);
else
printf("\"resolve_ms\" : \"%e\", ",-1.0);
if (t_connect!=NULL && t_connect -> cur_valid)
printf("\"connect_ms\" : \"%e\", ", t_connect -> cur);
else
printf("\"connect_ms\" : \"%e\", ",-1.0);
printf("\"request_ms\" : \"%e\", ", t_request -> cur);
printf("\"total_ms\" : \"%e\", ", t_total -> cur);
printf("\"http_code\" : \"%d\", ", http_code);
printf("\"msg\" : \"%s\", ", msg);
printf("\"header_size\" : \"%d\", ", header_size);
printf("\"data_size\" : \"%d\", ", data_size);
printf("\"bps\" : \"%f\", ", Bps);
printf("\"host\" : \"%s\", ", host);
printf("\"ssl_fingerprint\" : \"%s\", ", ssl_fp ? ssl_fp : "");
printf("\"time_offset\" : \"%f\", ", toff_diff_ts);
printf("\"tfo_success\" : \"%s\", ", tfo_success ? "true" : "false");
if (t_ssl -> cur_valid)
printf("\"ssl_ms\" : \"%e\", ", t_ssl -> cur);
printf("\"tfo_succes\" : \"%s\", ", tfo_success ? "true" : "false");
if (t_ssl !=NULL && t_ssl -> cur_valid)
printf("\"ssl_ms\" : \"%e\", ", t_ssl -> cur);
printf("\"write\" : \"%e\", ", t_write -> cur);
printf("\"close\" : \"%e\", ", t_close -> cur);
printf("\"cookies\" : \"%d\", ", n_cookies);
if (stats_to != NULL && stats_to -> cur_valid)
printf("\"to\" : \"%e\", ", stats_to -> cur);
if (tcp_rtt_stats !=NULL && tcp_rtt_stats -> cur_valid)
printf("\"tcp_rtt_stats\" : \"%e\", ", tcp_rtt_stats -> cur);
printf("\"re_tx\" : \"%d\", ", re_tx);
printf("\"pmtu\" : \"%d\", ", pmtu);
printf("\"tos\" : \"%02x\" ", recv_tos);
printf("}");
}
char *get_ts_str(int verbose)
{
char buffer[4096] = { 0 };
struct tm *tvm = NULL;
struct timeval tv;
(void)gettimeofday(&tv, NULL);
tvm = localtime(&tv.tv_sec);
if (verbose == 1)
sprintf(buffer, "%04d/%02d/%02d ", tvm -> tm_year + 1900, tvm -> tm_mon + 1, tvm -> tm_mday);
else if (verbose >= 2)
sprintf(buffer, "%.6f", get_ts());
if (verbose <= 1)
sprintf(&buffer[strlen(buffer)], "%02d:%02d:%02d.%03d", tvm -> tm_hour, tvm -> tm_min, tvm -> tm_sec, (int)(tv.tv_usec / 1000));
return strdup(buffer);
}
void emit_error(int verbose, int seq, double start_ts)
{
char *ts = show_ts ? get_ts_str(verbose) : NULL;
#ifdef NC
if (ncurses_mode)
{
slow_log("\n%s%s", ts ? ts : "", get_error());
update_terminal();
}
else
#endif
if (!quiet && !machine_readable && !nagios_mode && !json_output)
printf("%s%s%s%s\n", ts ? ts : "", c_error, get_error(), c_normal);
if (json_output)
emit_json(0, seq, start_ts, NULL, NULL, NULL, -1, get_error(), -1, -1, -1, "", "", -1, 0, NULL, NULL, NULL, 0, NULL, NULL, 0, 0, 0, NULL);
clear_error();
free(ts);
fflush(NULL);
}
void handler(int sig)
{
#ifdef NC
if (sig == SIGWINCH)
win_resize = 1;
else
#endif
{
if (!json_output)
fprintf(stderr, gettext("Got signal %d\n"), sig);
stop = 1;
}
}
char * read_file(const char *file)
{
char buffer[4096] = { 0 }, *lf = NULL;
FILE *fh = fopen(file, "rb");
if (!fh)
error_exit(gettext("Cannot open password-file %s"), file);
if (!fgets(buffer, sizeof buffer, fh))
error_exit(gettext("Problem reading password from file %s"), file);
fclose(fh);
lf = strchr(buffer, '\n');
if (lf)
*lf = 0x00;
return strdup(buffer);
}
char * create_http_request_header(const char *get, char use_proxy_host, char get_instead_of_head, char persistent_connections, const char *hostname, const char *useragent, const char *referer, char ask_compression, char no_cache, const char *auth_usr, const char *auth_password, char **static_cookies, int n_static_cookies, char **dynamic_cookies, int n_dynamic_cookies, const char *proxy_buster, const char *proxy_user, const char *proxy_password, char **additional_headers, int n_additional_headers)
{
int index;
char *request = NULL;
char pb[128] = { 0 };
if (proxy_buster)
{
if (strchr(get, '?'))
pb[0] = '&';
else
pb[0] = '?';
snprintf(pb + 1, sizeof pb - 1, "%s=%ld", proxy_buster, lrand48());
}
if (use_proxy_host)
str_add(&request, "%s %s%s HTTP/1.%c\r\n", get_instead_of_head?"GET":"HEAD", get, pb, persistent_connections?'1':'0');
else
{
const char *dummy = get, *slash = NULL;
if (strncasecmp(dummy, "http://", 7) == 0)
dummy += 7;
else if (strncasecmp(dummy, "https://", 7) == 0)
dummy += 8;
slash = strchr(dummy, '/');
if (slash)
str_add(&request, "%s %s HTTP/1.%c\r\n", get_instead_of_head?"GET":"HEAD", slash, persistent_connections?'1':'0');
else
str_add(&request, "%s / HTTP/1.%c\r\n", get_instead_of_head?"GET":"HEAD", persistent_connections?'1':'0');
}
if (hostname)
str_add(&request, "Host: %s\r\n", hostname);
if (useragent)
str_add(&request, "User-Agent: %s\r\n", useragent);
else
str_add(&request, "User-Agent: HTTPing v" VERSION "\r\n");
if (referer)
str_add(&request, "Referer: %s\r\n", referer);
if (ask_compression)
str_add(&request, "Accept-Encoding: gzip,deflate\r\n");
if (no_cache)
{
str_add(&request, "Pragma: no-cache\r\n");
str_add(&request, "Cache-Control: no-cache\r\n");
}
/* Basic Authentification */
if (auth_usr)
{
char auth_string[256] = { 0 };
char b64_auth_string[512] = { 0 };
sprintf(auth_string, "%s:%s", auth_usr, auth_password);
enc_b64(auth_string, strlen(auth_string), b64_auth_string);
str_add(&request, "Authorization: Basic %s\r\n", b64_auth_string);
}
/* proxy authentication */
if (proxy_user)
{
char ppa_string[256] = { 0 };
char b64_ppa_string[512] = { 0 };
sprintf(ppa_string, "%s:%s", proxy_user, proxy_password);
enc_b64(ppa_string, strlen(ppa_string), b64_ppa_string);
str_add(&request, "Proxy-Authorization: Basic %s\r\n", b64_ppa_string);
}
/* Cookie insertion */
for(index=0; index<n_static_cookies; index++)
str_add(&request, "Cookie: %s\r\n", static_cookies[index]);
for(index=0; index<n_dynamic_cookies; index++)
str_add(&request, "Cookie: %s\r\n", dynamic_cookies[index]);
for(index=0; index<n_additional_headers; index++)
str_add(&request, "%s\r\n", additional_headers[index]);
if (persistent_connections)
str_add(&request, "Connection: keep-alive\r\n");
str_add(&request, "\r\n");
return request;
}
void interpret_url(const char *in, char **path, char **hostname, int *portnr, char use_ipv6, char use_ssl, char **complete_url, char **auth_user, char **auth_password)
{
char in_use[65536] = { 0 }, *dummy = NULL;
if (strlen(in) >= sizeof in_use)
error_exit(gettext("URL too big, HTTPing has a %d bytes limit"), sizeof in_use - 1);
/* make url complete, if not already */
if (strncasecmp(in, "http://", 7) == 0 || strncasecmp(in, "https://", 8) == 0) /* complete url? */
{
snprintf(in_use, sizeof in_use - 1, "%s", in);
if (strchr(&in[8], '/') == NULL)
in_use[strlen(in_use)] = '/';
}
else if (strchr(in, '/')) /* hostname + location without 'http://'? */
sprintf(in_use, "http://%s", in);
else if (use_ssl)
sprintf(in_use, "https://%s/", in);
else
sprintf(in_use, "http://%s/", in);
/* sanity check */
if (strncasecmp(in_use, "http://", 7) == 0 && use_ssl)
error_exit(gettext("using \"http://\" with SSL enabled (-l)"));
*complete_url = strdup(in_use);
/* fetch hostname */
if (strncasecmp(in_use, "http://", 7) == 0)
*hostname = strdup(&in_use[7]);
else /* https */
*hostname = strdup(&in_use[8]);
dummy = strchr(*hostname, '/');
if (dummy)
*dummy = 0x00;
/* fetch port number */
if (use_ssl || strncasecmp(in, "https://", 8) == 0)
*portnr = 443;
else
*portnr = 80;
if (!use_ipv6)
{
char *at = strchr(*hostname, '@');
char *colon = strchr(*hostname, ':');
char *colon2 = colon ? strchr(colon + 1, ':') : NULL;
if (colon2)
{
*colon2 = 0x00;
*portnr = atoi(colon2 + 1);
if (at)
{
*colon = 0x00;
*at = 0x00;
*auth_user = strdup(*hostname);
*auth_password = strdup(colon + 1);
}
}
else if (colon)
{
if (colon < at)
{
*colon = 0x00;
*at = 0x00;
*auth_user = strdup(*hostname);
*auth_password = strdup(colon + 1);
}
else if (at)
{
*at = 0x00;
*auth_user = strdup(*hostname);
}
else
{
*colon = 0x00;
*portnr = atoi(colon + 1);
}
}
}
/* fetch path */
dummy = strchr(&in_use[8], '/');
if (dummy)
*path = strdup(dummy);
else
*path = strdup("/");
}
typedef struct {
int interval, last_ts;
double value, sd, min, max;
int n_values;
} aggregate_t;
void set_aggregate(char *in, int *n_aggregates, aggregate_t **aggregates)
{
char *dummy = in;
*n_aggregates = 0;
for(;dummy;)
{
(*n_aggregates)++;
*aggregates = (aggregate_t *)realloc(*aggregates, *n_aggregates * sizeof(aggregate_t));
memset(&(*aggregates)[*n_aggregates - 1], 0x00, sizeof(aggregate_t));
(*aggregates)[*n_aggregates - 1].interval = atoi(dummy);
(*aggregates)[*n_aggregates - 1].max = -MY_DOUBLE_INF;
(*aggregates)[*n_aggregates - 1].min = MY_DOUBLE_INF;
dummy = strchr(dummy, ',');
if (dummy)
dummy++;
}
}
void do_aggregates(double cur_ms, int cur_ts, int n_aggregates, aggregate_t *aggregates, int verbose, char show_ts)
{
int index=0;
/* update measurements */
for(index=0; index<n_aggregates; index++)
{
aggregates[index].value += cur_ms;
if (cur_ms < aggregates[index].min)
aggregates[index].min = cur_ms;
if (cur_ms > aggregates[index].max)
aggregates[index].max = cur_ms;
aggregates[index].sd += cur_ms * cur_ms;
aggregates[index].n_values++;
}
/* emit */
for(index=0; index<n_aggregates && cur_ts > 0; index++)
{
aggregate_t *a = &aggregates[index];
if (cur_ts - a -> last_ts >= a -> interval)
{
char *line = NULL;
double avg = a -> n_values ? a -> value / (double)a -> n_values : -1.0;
char *ts = get_ts_str(verbose);
str_add(&line, "%s", show_ts ? ts : "");
free(ts);
str_add(&line, gettext("AGG[%d]: %d values, min/avg/max%s = %.1f/%.1f/%.1f"), a -> interval, a -> n_values, verbose ? gettext("/sd") : "", a -> min, avg, a -> max);
if (verbose)
{
double sd = -1.0;
if (a -> n_values)
sd = sqrt((a -> sd / (double)a -> n_values) - pow(avg, 2.0));
str_add(&line, "/%.1f", sd);
}
str_add(&line, " ms");
#ifdef NC
if (ncurses_mode)
slow_log("\n%s", line);
else
#endif
printf("%s\n", line);
free(line);
aggregates[index].value =
aggregates[index].sd = 0.0;
aggregates[index].min = MY_DOUBLE_INF;
aggregates[index].max = -MY_DOUBLE_INF;
aggregates[index].n_values = 0;
aggregates[index].last_ts = cur_ts;
}
}
}
void fetch_proxy_settings(char **proxy_user, char **proxy_password, char **proxy_host, int *proxy_port, char use_ssl, char use_ipv6)
{
char *str = getenv(use_ssl ? "https_proxy" : "http_proxy");
if (!str)
{
/* FIXME from wgetrc/curlrc? */
}
if (str)
{
char *path = NULL, *url = NULL;
interpret_url(str, &path, proxy_host, proxy_port, use_ipv6, use_ssl, &url, proxy_user, proxy_password);
free(url);
free(path);
}
}
void parse_nagios_settings(const char *in, double *nagios_warn, double *nagios_crit)
{
char *dummy = strchr(in, ',');
if (!dummy)
error_exit(gettext("-n: missing parameter\n"));
*nagios_warn = atof(in);
*nagios_crit = atof(dummy + 1);
}
void parse_bind_to(const char *in, struct sockaddr_in *bind_to_4, struct sockaddr_in6 *bind_to_6, struct sockaddr_in **bind_to)
{
char *dummy = strchr(in, ':');
if (dummy)
{
*bind_to = (struct sockaddr_in *)bind_to_6;
memset(bind_to_6, 0x00, sizeof *bind_to_6);
bind_to_6 -> sin6_family = AF_INET6;
if (inet_pton(AF_INET6, in, &bind_to_6 -> sin6_addr) != 1)
error_exit(gettext("cannot convert ip address '%s' (for -y)\n"), in);
}
else
{
*bind_to = (struct sockaddr_in *)bind_to_4;
memset(bind_to_4, 0x00, sizeof *bind_to_4);
bind_to_4 -> sin_family = AF_INET;
if (inet_pton(AF_INET, in, &bind_to_4 -> sin_addr) != 1)
error_exit(gettext("cannot convert ip address '%s' (for -y)\n"), in);
}
}
time_t parse_date_from_response_headers(const char *in)
{
char *date = NULL, *komma = NULL;
if (in == NULL)
return -1;
date = strstr(in, "\nDate:");
komma = date ? strchr(date, ',') : NULL;
if (date && komma)
{
struct tm tm;
memset(&tm, 0x00, sizeof tm);
/* 22 Feb 2013 09:13:56 */
if (strptime(komma + 1, "%d %b %Y %H:%M:%S %Z", &tm))
return mktime(&tm);
}
return -1;
}
int calc_page_age(const char *in, const time_t their_ts)
{
int age = -1;
if (in != NULL && their_ts > 0)
{
char *date = strstr(in, "\nLast-Modified:");
char *komma = date ? strchr(date, ',') : NULL;
if (date && komma)
{
struct tm tm;
memset(&tm, 0x00, sizeof tm);
/* 22 Feb 2013 09:13:56 */
if (strptime(komma + 1, "%d %b %Y %H:%M:%S %Z", &tm))
age = their_ts - mktime(&tm);
}
}
return age;
}
const char *get_location(const char *host, int port, char use_ssl, char *reply)
{
if (reply)
{
char *copy = strdup(reply);
char *head = strstr(copy, "\nLocation:");
char *lf = head ? strchr(head + 1, '\n') : NULL;
if (head)
{
char *buffer = NULL;
char *dest = head + 11;
if (lf)
*lf = 0x00;
if (memcmp(dest, "http", 4) == 0)
str_add(&buffer, "%s", dest);
else
str_add(&buffer, "http%s://%s:%d%s", use_ssl ? "s" : "", host, port, dest);
free(copy);
return buffer;
}
free(copy);
}
return NULL;
}
char check_compressed(const char *reply)
{
if (reply != NULL)
{
char *encoding = strstr(reply, "\nContent-Encoding:");
if (encoding)
{
char *dummy = strchr(encoding + 1, '\r');
if (dummy) *dummy = 0x00;
dummy = strchr(encoding + 1, '\n');
if (dummy) *dummy = 0x00;
if (strstr(encoding, "gzip") == 0 || strstr(encoding, "deflate") == 0)
return 1;
}
}
return 0;
}
int nagios_result(int ok, int nagios_mode, int nagios_exit_code, double avg_httping_time, double nagios_warn, double nagios_crit)
{
if (nagios_mode == 1)
{
if (ok == 0)
{
printf(gettext("CRITICAL - connecting failed: %s"), get_error());
return 2;
}
else if (avg_httping_time >= nagios_crit)
{
printf(gettext("CRITICAL - average httping-time is %.1f\n"), avg_httping_time);
return 2;
}
else if (avg_httping_time >= nagios_warn)
{
printf(gettext("WARNING - average httping-time is %.1f\n"), avg_httping_time);
return 1;
}
printf(gettext("OK - average httping-time is %.1f (%s)|ping=%f\n"), avg_httping_time, get_error(), avg_httping_time);
return 0;
}
else if (nagios_mode == 2)
{
const char *err = get_error();
if (ok && err[0] == 0x00)
{
printf(gettext("OK - all fine, avg httping time is %.1f|ping=%f\n"), avg_httping_time, avg_httping_time);
return 0;
}
printf(gettext("%s: - failed: %s"), nagios_exit_code == 1?"WARNING":(nagios_exit_code == 2?"CRITICAL":"ERROR"), err);
return nagios_exit_code;
}
return -1;
}
void proxy_to_host_and_port(char *in, char **proxy_host, int *proxy_port)
{
if (in[0] == '[')
{
char *dummy = NULL;
*proxy_host = strdup(in + 1);
dummy = strchr(*proxy_host, ']');
if (dummy)
{
*dummy = 0x00;
/* +2: ']:' */
*proxy_port = atoi(dummy + 2);
}
}
else
{
char *dummy = strchr(in, ':');
*proxy_host = in;
if (dummy)
{
*dummy=0x00;
*proxy_port = atoi(dummy + 1);
}
}
}
void stats_close(int *fd, stats_t *t_close, char is_failure)
{
double t_start = get_ts(), t_end = -1;;
if (is_failure)
failure_close(*fd);
else
close(*fd);
*fd = -1;
t_end = get_ts();
update_statst(t_close, (t_end - t_start) * 1000.0);
}
void add_header(char ***additional_headers, int *n_additional_headers, const char *in)
{
*additional_headers = (char **)realloc(*additional_headers, (*n_additional_headers + 1) * sizeof(char **));
(*additional_headers)[*n_additional_headers] = strdup(in);
(*n_additional_headers)++;
}
void free_headers(char **additional_headers, int n_additional_headers)
{
int index = 0;
for(index=0; index<n_additional_headers; index++)
free(additional_headers[index]);
free(additional_headers);
}
int main(int argc, char *argv[])
{
double started_at = -1;
char do_fetch_proxy_settings = 0;
char *hostname = NULL;
char *proxy_host = NULL, *proxy_user = NULL, *proxy_password = NULL;
int proxy_port = 8080;
int portnr = 80;
char *get = NULL, *request = NULL;
int req_len = 0;
int c = 0;
int count = -1, curncount = 0;
double wait = 1.0;
char wait_set = 0;
int audible = 0;
int ok = 0, err = 0;
double timeout = 30.0;
char show_statuscodes = 0;
char use_ssl = 0;
const char *ok_str = "200";
const char *err_str = "-1";
const char *useragent = NULL;
const char *referer = NULL;
const char *auth_password = NULL;
const char *auth_usr = NULL;
char **static_cookies = NULL, **dynamic_cookies = NULL;
int n_static_cookies = 0, n_dynamic_cookies = 0;
char resolve_once = 0;
char have_resolved = 0;
double nagios_warn=0.0, nagios_crit=0.0;
int nagios_exit_code = 2;
double avg_httping_time = -1.0;
int get_instead_of_head = 0;
char show_Bps = 0, ask_compression = 0;
double Bps_min = 1 << 30, Bps_max = -Bps_min;
long long int Bps_avg = 0;
int Bps_limit = -1;
char show_bytes_xfer = 0, show_fp = 0;
SSL *ssl_h = NULL;
BIO *s_bio = NULL;
struct sockaddr_in *bind_to = NULL;
struct sockaddr_in bind_to_4;
struct sockaddr_in6 bind_to_6;
char split = 0, use_ipv6 = 0;
char persistent_connections = 0, persistent_did_reconnect = 0;
char no_cache = 0;
char use_tfo = 0;
char abort_on_resolve_failure = 1;
double offset_yellow = -1, offset_red = -1;
char colors = 0;
int verbose = 0;
double offset_show = -1.0;
char add_host_header = 1;
char *proxy_buster = NULL;
char proxy_is_socks5 = 0;
char *url = NULL, *complete_url = NULL;
int n_aggregates = 0;
aggregate_t *aggregates = NULL;
char *au_dummy = NULL, *ap_dummy = NULL;
stats_t t_connect, t_request, t_total, t_resolve, t_write, t_ssl, t_close, stats_to, tcp_rtt_stats, stats_header_size;
double total_took = 0;
char first_resolve = 1;
double graph_limit = MY_DOUBLE_INF;
char nc_graph = 1;
char adaptive_interval = 0;
double show_slow_log = MY_DOUBLE_INF;
char use_tcp_nodelay = 1;
int max_mtu = -1;
int write_sleep = 500; /* in us (microseconds), determines resolution of transmit time determination */
char keep_cookies = 0;
char abbreviate = 0;
char *divert_connect = NULL;
int recv_buffer_size = -1, tx_buffer_size = -1;
int priority = -1, send_tos = -1;
char **additional_headers = NULL;
int n_additional_headers = 0;
#ifndef NO_SSL
SSL_CTX *client_ctx = NULL;
#endif
struct sockaddr_in6 addr;
struct addrinfo *ai = NULL, *ai_use = NULL;
struct addrinfo *ai_proxy = NULL, *ai_use_proxy = NULL;
static struct option long_options[] =
{
{"aggregate", 1, NULL, 9 },
{"url", 1, NULL, 'g' },
{"hostname", 1, NULL, 'h' },
{"port", 1, NULL, 'p' },
{"proxy", 1, NULL, 'x' },
{"count", 1, NULL, 'c' },
{"persistent-connections", 0, NULL, 'Q' },
{"interval", 1, NULL, 'i' },
{"timeout", 1, NULL, 't' },
{"ipv6", 0, NULL, '6' },
{"show-statuscodes", 0, NULL, 's' },
{"split-time", 0, NULL, 'S' },
{"get-request", 0, NULL, 'G' },
{"show-transfer-speed", 0, NULL, 'b' },
{"show-xfer-speed-compressed", 0, NULL, 'B' },
{"data-limit", 1, NULL, 'L' },
{"show-kb", 0, NULL, 'X' },
{"no-cache", 0, NULL, 'Z' },
#ifndef NO_SSL
{"use-ssl", 0, NULL, 'l' },
{"show-fingerprint", 0, NULL, 'z' },
#endif
{"flood", 0, NULL, 'f' },
{"audible-ping", 0, NULL, 'a' },
{"parseable-output", 0, NULL, 'm' },
{"ok-result-codes", 1, NULL, 'o' },
{"result-string", 1, NULL, 'e' },
{"user-agent", 1, NULL, 'I' },
{"referer", 1, NULL, 'S' },
{"resolve-once",0, NULL, 'r' },
{"nagios-mode-1", 1, NULL, 'n' },
{"nagios-mode-2", 1, NULL, 'n' },
{"bind-to", 1, NULL, 'y' },
{"quiet", 0, NULL, 'q' },
{"username", 1, NULL, 'U' },
{"password", 1, NULL, 'P' },
{"cookie", 1, NULL, 'C' },
{"colors", 0, NULL, 'Y' },
{"offset-yellow", 1, NULL, 1 },
{"threshold-yellow", 1, NULL, 1 },
{"offset-red", 1, NULL, 2 },
{"threshold-red", 1, NULL, 2 },
{"offset-show", 1, NULL, 3 },
{"show-offset", 1, NULL, 3 },
{"threshold-show", 1, NULL, 3 },
{"show-threshold", 1, NULL, 3 },
{"timestamp", 0, NULL, 4 },
{"ts", 0, NULL, 4 },
{"no-host-header", 0, NULL, 5 },
{"proxy-buster", 1, NULL, 6 },
{"proxy-user", 1, NULL, 7 },
{"proxy-password", 1, NULL, 8 },
{"proxy-password-file", 1, NULL, 10 },
{"graph-limit", 1, NULL, 11 },
{"adaptive-interval", 0, NULL, 12 },
{"ai", 0, NULL, 12 },
{"slow-log", 0, NULL, 13 },
{"draw-phase", 0, NULL, 14 },
{"no-tcp-nodelay", 0, NULL, 15 },
{"max-mtu", 1, NULL, 16 },
{"keep-cookies", 0, NULL, 17 },
{"abbreviate", 0, NULL, 18 },
{"divert-connect", 1, NULL, 19 },
{"recv-buffer", 1, NULL, 20 },
{"tx-buffer", 1, NULL, 21 },
{"priority", 1, NULL, 23 },
{"tos", 1, NULL, 24 },
{"header", 1, NULL, 25 },
#ifdef NC
{"ncurses", 0, NULL, 'K' },
{"gui", 0, NULL, 'K' },
#ifdef FW
{"no-graph", 0, NULL, 'D' },
#endif
#endif
{"version", 0, NULL, 'V' },
{"help", 0, NULL, 22 },
{NULL, 0, NULL, 0 }
};
setlocale(LC_ALL, "");
bindtextdomain("httping", LOCALEDIR);
textdomain("httping");
init_statst(&t_resolve);
init_statst(&t_connect);
init_statst(&t_write);
init_statst(&t_request);
init_statst(&t_total);
init_statst(&t_ssl);
init_statst(&t_close);
init_statst(&stats_to);