mirror of https://framagit.org/bortzmeyer/echoping
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241 lines
4.9 KiB
C
241 lines
4.9 KiB
C
/* $Id$ */
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/* Settings you should not change -- see below for changeable ones */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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/* Settings you can change */
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#define DEFLINE 256
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#define UDPMAX 65535
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/* Mostly for HTTP */
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#define MAXTOREAD 150000
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#ifdef SMTP
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#define MAXSMTP 1024
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#define MAXSMTPLINES 30
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#endif
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/* Probably too many inclusions but this is to keep 'gcc -Wall' happy... */
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <netdb.h>
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#include <sys/socket.h>
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#include <netinet/tcp.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <stdarg.h>
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#include <sys/time.h>
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#include <errno.h>
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#include <unistd.h>
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#include <string.h>
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#include <signal.h>
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#include <math.h>
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#include <dlfcn.h>
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/* popt library */
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#include <popt.h>
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#ifdef OPENSSL
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#include <openssl/crypto.h>
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#include <openssl/x509.h>
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#include <openssl/pem.h>
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#include <openssl/ssl.h>
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#include <openssl/err.h>
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#include <openssl/rand.h>
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#endif /* OpenSSL */
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#ifdef GNUTLS
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#include <gnutls/gnutls.h>
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#endif
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#ifdef LIBIDN
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#include <stringprep.h> /* stringprep_locale_to_utf8() */
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#include <idna.h> /* idna_to_ascii_from_utf8() */
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef SIGALRM /* Linux... */
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#define SIGALRM 14 /* alarm clock timeout */
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#endif
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#ifndef SIGINT /* Linux... */
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#define SIGINT 2 /* interrupt, generated from terminal special char */
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#endif
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#ifndef INADDR_NONE /* SunOS */
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#define INADDR_NONE (-1)
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#endif
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#ifndef SOL_IP
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#define SOL_IP (getprotobyname("ip")->p_proto)
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#endif
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/* These entities should be in errno.h but some systems do not define
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them. */
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#ifdef DECL_SYS_NERR
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extern int sys_nerr;
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#endif
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/* If we have it, use it */
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#ifdef HAVE_SIGACTION
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#define USE_SIGACTION 1
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#endif
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#ifdef HAVE_TOS
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#define USE_TOS 1
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#endif
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#ifdef HAVE_SOCKET_PRIORITY
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#define USE_PRIORITY 1
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#endif
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#ifndef HEADER_INCLUDED
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typedef union _CHANNEL
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{
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FILE *fs;
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#ifdef OPENSSL
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SSL *ssl;
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#endif
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#ifdef GNUTLS
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gnutls_session tls;
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#endif
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}
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CHANNEL;
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/* Do not use "short" for "boolean" because popt does not know this
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type. On a little-endian machine without alignment issues, it may
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work but not, for instance, on UltraSparc platforms. See for
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instance Debian bug #254322. */
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typedef unsigned int boolean;
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struct result
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{
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boolean valid;
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struct timeval timevalue;
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};
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boolean timeout_flag;
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struct echoping_struct
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{
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boolean udp; /* Use the UDP protocol (TCP is the default) */
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boolean ttcp;
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boolean only_ipv4;
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boolean only_ipv6;
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boolean verbose;
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};
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typedef struct echoping_struct echoping_options;
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#ifndef IN_PLUGIN
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/* The functions we will find in the plugin */
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/* Initializes the plugin with its arguments. Returns the port name or number or NULL if the plugin wants to use the raw interface. */
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typedef char *(*init_f) (const int argc, const char **argv,
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const echoping_options global_options);
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init_f plugin_init;
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typedef void (*start_f) (struct addrinfo *);
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start_f plugin_start;
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typedef void (*start_raw_f) ();
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start_raw_f plugin_raw_start;
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typedef int (*execute_f) ();
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execute_f plugin_execute;
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typedef void (*terminate_f) ();
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terminate_f plugin_terminate;
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#endif
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#endif
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struct timeval null_timeval;
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struct timeval max_timeval;
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#define ECHO_TCP_PORT "echo"
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#define DISCARD_TCP_PORT "discard"
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#define CHARACTER_GENERATOR_TCP_PORT "chargen"
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#define DEFAULT_HTTP_TCP_PORT "http"
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#define DEFAULT_HTTPS_TCP_PORT "https"
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#define DEFAULT_ICP_UDP_PORT "icp"
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#ifdef HTTP
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/* Use the old HTTP 1.0 protocol? If yes, set HTTP10 to 1*/
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#undef HTTP10
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#endif
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#define USE_ECHO 1
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#define USE_DISCARD 2
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#define USE_CHARGEN 3
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#define USE_HTTP 4
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#define USE_ICP 5
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#define USE_SMTP 6
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#define CHARGENERATED " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefg";
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char *server;
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#ifdef LIBIDN
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char *locale_server, *ace_server, *utf8_server;
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#endif
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/* My functions */
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/* error.c */
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void usage ();
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void err_sys (char *str, ...);
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void err_ret (char *str, ...);
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void err_quit (char *str, ...);
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char *sys_err_str ();
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/* writen.c */
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int writen ();
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/* readline.c */
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int readline ();
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#ifdef OPENSSL
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int SSL_readline ();
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#endif
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#ifdef GNUTLS
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int TLS_readline ();
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#endif
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/* util.c */
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char *random_string ();
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void tvsub ();
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void tvadd ();
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void tvavg ();
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void tvmin ();
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void tvmax ();
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int tvcmp ();
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void tvstddev ();
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void tvstddevavg ();
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double tv2double ();
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struct timeval double2tv ();
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/* http.c */
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#ifdef HTTP
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char *make_http_sendline ();
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void find_server_and_port ();
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/* This one has prototypes, for a very subtile compiler issue. */
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int read_from_server (CHANNEL fs, short ssl, boolean accept_redirects);
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#endif
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#ifdef ICP
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#include "icp.h"
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void *make_icp_sendline ();
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int recv_icp ();
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#ifndef HTTP
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int read_from_server ();
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#endif
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#endif
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#ifdef SMTP
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int smtp_read_response_from_server ();
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#endif
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extern char *progname;
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extern boolean timeout_flag;
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#include "compilation.h"
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#ifndef HEADER_INCLUDED
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#define HEADER_INCLUDED
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#endif
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