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1546 lines
36 KiB
C
1546 lines
36 KiB
C
/*
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* echoping : uses the TCP echo (or other TCP or UDP protocols)
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* service to measure (roughly) response times.
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*
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* Written by Stephane Bortzmeyer <bortz@users.sourceforge.net>. See
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* the AUTHORS file for other contributors.
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*
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* $Id$
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*
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* */
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char *progname;
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#include "echoping.h"
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/*
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* An option to define only if you want to drive echoping from another
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* process. Useless but harmless otherwise. In practice, while OSF/1 is happy
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* with it, SunOS refuses to use fflush on a NULL and Linux fails.
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*/
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#undef FLUSH_OUTPUT /* Not really supported, see the TODO */
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/* Global variables for main and printstats */
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int return_code = 0;
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int rc;
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unsigned int number = 1;
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struct timeval max, min, total, median, stddev, temp;
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struct timeval conntv, connectedtv, sendtv, recvtv;
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unsigned int successes, attempts = 0;
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unsigned int size = DEFLINE;
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unsigned int j = 0;
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int family = PF_UNSPEC;
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struct result results[MAX_ITERATIONS];
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struct timeval good_results[MAX_ITERATIONS];
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extern int tvcmp ();
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int
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main (argc, argv)
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int argc;
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const char *argv[];
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{
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int result;
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int remaining = argc;
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char **leftover;
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int sockfd = -1;
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struct addrinfo hints, hints_numeric, *res;
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int error;
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char hbuf[NI_MAXHOST], pbuf[NI_MAXSERV];
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#ifdef NI_WITHSCOPEID
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const int niflags = NI_NUMERICHOST | NI_NUMERICSERV | NI_WITHSCOPEID;
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#else
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const int niflags = NI_NUMERICHOST | NI_NUMERICSERV;
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#endif
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FILE *files = NULL;
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CHANNEL channel;
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int verbose = FALSE;
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int dump_config = FALSE;
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int module_find = FALSE;
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int n, nr = 0;
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#ifdef OPENSSL
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int sslcode;
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char rand_file[MAX_LINE];
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#endif
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char *sendline, recvline[MAX_LINE + 1];
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#ifdef ICP
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char retcode[DEFLINE];
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int length;
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#endif
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struct timeval newtv, oldtv;
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void printstats ();
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#ifdef HAVE_USLEEP
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float wait = 1.0;
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#else
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unsigned int wait = 1;
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#endif
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unsigned char fill = ' ';
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char *fill_s;
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boolean fill_requested = FALSE;
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unsigned int i = 0;
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char *plugin_name, *complete_plugin_name = NULL;
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char *ext;
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void *plugin = NULL;
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int plugin_result;
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void to_alarm (); /* our alarm() signal handler */
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void interrupted ();
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unsigned int timeout = 10;
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boolean timeout_requested = 0;
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boolean size_requested = 0;
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char *url = "";
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#if USE_SIGACTION
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struct sigaction mysigaction;
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#endif
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char *plugin_port_name, *port_name;
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boolean plugin_raw = FALSE;
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boolean port_to_use = USE_ECHO;
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boolean http = 0;
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boolean smtp = 0;
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boolean discard = 0;
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boolean chargen = 0;
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boolean udp = 0;
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boolean icp = 0;
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boolean nocache = 0;
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#ifdef ICP
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icp_opcode opcode = ICP_OP_QUERY;
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#endif
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boolean ttcp = 0;
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boolean tcp = 0;
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boolean ssl = 0;
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boolean stop_at_newlines = 1;
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#ifdef OPENSSL
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SSL_METHOD *meth;
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SSL_CTX *ctx = NULL;
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SSL *sslh = NULL;
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#endif
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#ifdef GNUTLS
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gnutls_session session;
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gnutls_certificate_credentials xcred;
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int tls_result;
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const int cert_type_priority[3] = { GNUTLS_CRT_X509,
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GNUTLS_CRT_OPENPGP, 0
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};
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#endif
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int priority;
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int priority_requested = 0;
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int tos;
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int tos_requested = 0;
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char *p;
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echoping_options global_options;
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/* popt variables */
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const struct poptOption options[] = {
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{"verbose", 'v', POPT_ARG_NONE, &verbose, 'v'},
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{"dump-configuration", 'V', POPT_ARG_NONE, &dump_config, 'V',
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"Displays echoping compiled-in configuration"},
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{"help", '?', POPT_ARG_NONE, NULL, '?'},
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{"size", 's', POPT_ARG_INT, &size, 's'},
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{"number", 'n', POPT_ARG_INT, &number, 'n', "Number of iterations"},
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#ifdef HAVE_USLEEP
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{"wait", 'w', POPT_ARG_FLOAT, &wait, 'w', "Delay between iterations"},
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#else
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{"wait", 'w', POPT_ARG_INT, &wait, 'w', "Delay between iterations"},
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#endif
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{"discard", 'd', POPT_ARG_NONE, &discard, 'd'},
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{"chargen", 'c', POPT_ARG_NONE, &chargen, 'c'},
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{"http", 'h', POPT_ARG_STRING, &url, 'h'},
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{"icp", 'i', POPT_ARG_STRING, &url, 'i',
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"ICP protocol, for Web proxies/caches"},
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{"ttcp", 'r', POPT_ARG_NONE, &ttcp, 'r',
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"Use the T/TCP protocol (Transaction TCP)"},
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{"udp", 'u', POPT_ARG_NONE, &udp, 'u'},
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{"timeout", 't', POPT_ARG_INT, &timeout, 't'},
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{"fill", 'f', POPT_ARG_STRING, &fill_s, 'f'},
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{"smtp", 'S', POPT_ARG_NONE, &smtp, 'S'},
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{"ssl", 'C', POPT_ARG_NONE, &ssl, 'C'},
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{"priority", 'p', POPT_ARG_INT, &priority, 'p'},
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{"type-of-service", 'P', POPT_ARG_INT, &tos, 'P'},
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{"check-original", 'a', POPT_ARG_NONE, NULL, 'a',
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"For HTTP through a proxy/cache"},
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{"ignore-cache", 'A', POPT_ARG_NONE, NULL, 'A',
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"For HTTP through a proxy/cache"},
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{"ipv4", '4', POPT_ARG_NONE, NULL, '4'},
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{"ipv6", '6', POPT_ARG_NONE, NULL, '6'},
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{"module", 'm', POPT_ARG_STRING, &plugin_name, 'm',
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"Loads the given plugin"},
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POPT_TABLEEND
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};
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poptContext poptcon;
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global_options.udp = FALSE;
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global_options.ttcp = FALSE;
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global_options.verbose = FALSE;
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null_timeval.tv_sec = 0;
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null_timeval.tv_usec = 0;
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max_timeval.tv_sec = 1000000000;
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max_timeval.tv_usec = 999999;
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return_code = 0;
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number = 1;
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total = null_timeval;
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median = null_timeval;
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max = null_timeval;
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min = max_timeval;
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stddev = null_timeval;
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port_name = malloc (NI_MAXSERV);
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strcpy (port_name, ECHO_TCP_PORT);
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for (i = 0; i <= MAX_ITERATIONS; i++)
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{
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results[i].valid = 0;
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}
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progname = (char *) argv[0];
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poptcon =
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poptGetContext (NULL, argc, argv, options, POPT_CONTEXT_POSIXMEHARDER);
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while ((result = poptGetNextOpt (poptcon)) != -1)
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{
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if (result < -1)
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{
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fprintf (stderr, "%s: %s\n",
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poptBadOption (poptcon, POPT_BADOPTION_NOALIAS),
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poptStrerror (result));
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usage (poptcon);
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}
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remaining--;
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switch ((char) result)
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{
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case '?':
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poptPrintHelp (poptcon, stdout, 0);
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fprintf (stdout, " hostname [plugin-options...]\n");
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fprintf (stdout,
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" (You can get a list of available plugins with \"ls %s\")\n",
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PLUGINS_DIR);
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exit (0);
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case 'V':
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printf ("%s\n", COMPILATION_OPTIONS);
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exit (0);
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case 'v':
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break;
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case 'r':
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break;
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case 'u':
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break;
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case 'C':
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break;
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case 'd':
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strcpy (port_name, DISCARD_TCP_PORT);
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port_to_use = USE_DISCARD;
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break;
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case 'c':
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strcpy (port_name, CHARACTER_GENERATOR_TCP_PORT);
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port_to_use = USE_CHARGEN;
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stop_at_newlines = 0;
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break;
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case 'i':
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remaining--;
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strcpy (port_name, DEFAULT_ICP_UDP_PORT);
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port_to_use = USE_ICP;
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udp = 1;
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icp = 1;
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break;
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case 'h':
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remaining--;
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strcpy (port_name, DEFAULT_HTTP_TCP_PORT);
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port_to_use = USE_HTTP;
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http = 1;
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break;
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case 'a':
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nocache = 1;
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break;
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case 'A':
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nocache = 2;
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break;
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case 'f':
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remaining--;
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if (strlen (fill_s) > 1)
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err_quit ("Argument --fill should be a one-character string");
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fill = fill_s[0];
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fill_requested = 1;
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break;
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case 'S':
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strcpy (port_name, "smtp");
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port_to_use = USE_SMTP;
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break;
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case 'p':
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remaining--;
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priority_requested = 1;
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break;
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case 'P':
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remaining--;
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tos_requested = 1;
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break;
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case 's':
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remaining--;
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if (size > MAX_LINE)
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{
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(void) fprintf (stderr,
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"%s: packet size too large, max is %d.\n",
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progname, MAX_LINE);
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exit (1);
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}
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if (size <= 0)
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{
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(void) fprintf (stderr, "%s: illegal packet size.\n", progname);
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exit (1);
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}
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size_requested = 1;
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break;
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case 't':
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remaining--;
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timeout_requested = 1;
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if (size <= 0)
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{
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(void) fprintf (stderr, "%s: illegal timeout.\n", progname);
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exit (1);
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}
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break;
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case 'n':
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remaining--;
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if (number > MAX_ITERATIONS)
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{
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(void) fprintf (stderr,
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"%s: number of iterations too large, max is %d.\n",
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progname, MAX_ITERATIONS);
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exit (1);
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}
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if (number <= 0)
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{
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(void) fprintf (stderr,
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"%s: illegal number of iterations.\n",
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progname);
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exit (1);
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}
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break;
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case 'w':
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remaining--;
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if (wait <= 0)
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/* atoi returns zero when there is an error. So we cannot use
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'-w 0' to specify no waiting. */
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{
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(void) fprintf (stderr,
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"%s: illegal waiting time.\n", progname);
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exit (1);
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}
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break;
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case '4':
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family = AF_INET;
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break;
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case '6':
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family = AF_INET6;
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break;
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case 'm':
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remaining--;
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module_find = TRUE;
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break;
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default:
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printf ("Unknown character option %d (%c)", result, (char) result);
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usage (poptcon);
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}
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}
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if (udp && ((port_to_use == USE_CHARGEN) ||
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(port_to_use == USE_HTTP) || (port_to_use == USE_SMTP)))
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{
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(void) fprintf (stderr,
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"%s: I don't know how to use this port with UDP.\n",
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progname);
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exit (1);
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}
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if ((http || smtp) && (fill_requested))
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{
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(void) fprintf (stderr,
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"%s: Filling incompatible with HTTP connections.\n",
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progname);
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exit (1);
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}
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#ifndef USE_TTCP
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if (ttcp)
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{
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(void) fprintf (stderr,
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"%s: not compiled with T/TCP support.\n", progname);
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exit (1);
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}
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#endif
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#if ! (defined(OPENSSL) || defined(GNUTLS))
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if (ssl)
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{
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(void) fprintf (stderr,
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"%s: not compiled with SSL/TLS support.\n", progname);
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exit (1);
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}
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#endif
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#ifndef HTTP
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if (http)
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{
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(void) fprintf (stderr,
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"%s: Not compiled with HTTP support.\n", progname);
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exit (1);
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}
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#endif
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#ifndef SMTP
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if (smtp)
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{
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(void) fprintf (stderr,
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"%s: Not compiled with SMTP support.\n", progname);
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exit (1);
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}
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#endif
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#ifndef ICP
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if (icp)
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{
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(void) fprintf (stderr,
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"%s: Not compiled with ICP support.\n", progname);
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exit (1);
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}
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#endif
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if ((http || smtp) && size_requested)
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{
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(void) fprintf (stderr,
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"%s: %s and message size specification are incompatible.\n",
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progname, http ? "HTTP" : "SMTP");
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exit (1);
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}
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if (ssl && !http)
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{
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(void) fprintf (stderr,
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"%s: SSL is only supported for HTTP requests.\n",
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progname);
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exit (1);
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}
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if (udp && ttcp)
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{
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(void) fprintf (stderr,
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"%s: UDP and T/TCP are incompatible.\n", progname);
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exit (1);
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}
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if (ssl && http)
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{
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strcpy (port_name, DEFAULT_HTTPS_TCP_PORT);
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}
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#ifndef USE_TOS
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if (tos_requested)
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{
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(void) fprintf (stderr,
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"%s: Not compiled with Type Of Service support.\n",
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progname);
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exit (1);
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}
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#endif
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#ifndef USE_PRIORITY
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if (priority_requested)
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{
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(void) fprintf (stderr,
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"%s: Not compiled with socket priority support.\n",
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progname);
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exit (1);
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}
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#endif
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remaining--; /* No argv[0] this time */
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leftover = (char **) &argv[argc - remaining];
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if (plugin_name)
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{
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ext = strstr (plugin_name, ".so");
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if ((ext == NULL) || (strcmp (ext, ".so") != 0))
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sprintf (plugin_name, "%s.so", plugin_name);
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plugin = dlopen (plugin_name, RTLD_NOW);
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if (!plugin)
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{
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/* Retries with the absolute name */
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complete_plugin_name = (char *) malloc (MAX_LINE);
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sprintf (complete_plugin_name, "%s/%s", PLUGINS_DIR, plugin_name);
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plugin = dlopen (complete_plugin_name, RTLD_NOW);
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}
|
|
if (!plugin)
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{
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err_sys
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|
("Cannot load \"%s\" (I tried the short name, then the complete name in \"%s\"): %s",
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plugin_name, PLUGINS_DIR, dlerror ());
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}
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|
plugin_init = dlsym (plugin, "init");
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|
if (!plugin_init)
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{
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err_sys ("Cannot find init in %s: %s", plugin_name, dlerror ());
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}
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global_options.udp = udp;
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global_options.ttcp = ttcp;
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global_options.verbose = verbose;
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if (family == AF_INET)
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global_options.only_ipv4 = 1;
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else
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global_options.only_ipv4 = 0;
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if (family == AF_INET6)
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global_options.only_ipv6 = 1;
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else
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global_options.only_ipv6 = 0;
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plugin_port_name =
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plugin_init (remaining, (const char **) leftover, global_options);
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|
if (plugin_port_name != NULL)
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|
{
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strcpy (port_name, plugin_port_name);
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plugin_raw = FALSE;
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plugin_start = dlsym (plugin, "start");
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|
if (!plugin_start)
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|
{
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err_sys ("Cannot find start in %s: %s", plugin_name,
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dlerror ());
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}
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}
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else
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{
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port_name = 0;
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plugin_raw = TRUE;
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plugin_raw_start = dlsym (plugin, "start_raw");
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if (!plugin_raw_start)
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{
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err_sys ("Cannot find start_raw in %s: %s", plugin_name,
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dlerror ());
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}
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}
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plugin_execute = dlsym (plugin, "execute");
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|
if (!plugin_execute)
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{
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err_sys ("Cannot find execute in %s: %s", plugin_name, dlerror ());
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}
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|
plugin_terminate = dlsym (plugin, "terminate");
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|
if (!plugin_terminate)
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|
{
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err_sys ("Cannot find terminate in %s: %s", plugin_name,
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dlerror ());
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}
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|
}
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if (!udp && !ttcp)
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|
{
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tcp = 1;
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}
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|
if (remaining == 0)
|
|
usage (poptcon);
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|
if (!module_find && remaining != 1)
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|
{
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printf ("%d args remaining, should be 1\n", remaining);
|
|
usage (poptcon);
|
|
}
|
|
if (verbose)
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|
{
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printf ("\nThis is %s, version %s.\n\n", progname, VERSION);
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|
}
|
|
server = leftover[0];
|
|
#ifdef LIBIDN
|
|
locale_server = server;
|
|
utf8_server = stringprep_locale_to_utf8 (server);
|
|
if (utf8_server)
|
|
server = utf8_server;
|
|
else
|
|
err_quit ("Cannot convert %s to UTF-8 encoding: wrong locale (%s)?",
|
|
server, stringprep_locale_charset ());
|
|
#endif
|
|
if (!http && !icp)
|
|
{
|
|
for (p = server; *p && (*p != ':'); p++)
|
|
{
|
|
}
|
|
if (*p && (*p == ':'))
|
|
{
|
|
(void) fprintf (stderr,
|
|
"%s: The syntax hostname:port is only for HTTP or ICP\n",
|
|
progname);
|
|
exit (1);
|
|
}
|
|
}
|
|
signal (SIGINT, interrupted);
|
|
memset (&hints, 0, sizeof (hints));
|
|
hints.ai_family = family;
|
|
hints.ai_socktype = udp ? SOCK_DGRAM : SOCK_STREAM;
|
|
|
|
#ifdef HTTP
|
|
if (http || icp)
|
|
{
|
|
char *text_port = NULL;
|
|
|
|
if (*server == '[')
|
|
{ /* RFC 2732 */
|
|
server++;
|
|
for (p = server; *p && *p != ']'; p++)
|
|
{
|
|
}
|
|
p++;
|
|
if (*p == ':')
|
|
{
|
|
p--;
|
|
*p = 0;
|
|
text_port = p + 2;
|
|
strncpy (port_name, text_port, NI_MAXSERV);
|
|
}
|
|
else
|
|
{
|
|
p--;
|
|
if (*p == ']')
|
|
{
|
|
/* No port number */
|
|
*p = 0;
|
|
}
|
|
else
|
|
{
|
|
(void) fprintf (stderr,
|
|
"%s: Invalid syntax for IPv6 address.\n",
|
|
progname);
|
|
exit (1);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (p = server; *p; p++)
|
|
{
|
|
if (*p == ':')
|
|
{
|
|
*p = 0;
|
|
text_port = p + 1;
|
|
if (strcmp (text_port, "")) /* See bug #850672 */
|
|
strncpy (port_name, text_port, NI_MAXSERV);
|
|
}
|
|
}
|
|
}
|
|
if (text_port == NULL || !strcmp (text_port, ""))
|
|
{
|
|
error = getaddrinfo (server, port_name, &hints, &res);
|
|
if (error)
|
|
{
|
|
if (error == EAI_SERVICE)
|
|
{
|
|
if (strcmp (port_name, DEFAULT_HTTP_TCP_PORT) == 0)
|
|
{
|
|
strcpy (port_name, "80");
|
|
}
|
|
else if (strcmp (port_name, DEFAULT_HTTPS_TCP_PORT) == 0)
|
|
{
|
|
strcpy (port_name, "443");
|
|
}
|
|
else if (strcmp (port_name, DEFAULT_ICP_UDP_PORT) == 0)
|
|
{
|
|
strcpy (port_name, "3130");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef LIBIDN
|
|
/* Check if it is an address or a name (libidn will have trouble with
|
|
IPv6 addresses otherwise) */
|
|
memset (&hints_numeric, 0, sizeof (hints_numeric));
|
|
hints_numeric.ai_family = family;
|
|
hints_numeric.ai_flags = AI_NUMERICHOST;
|
|
error = getaddrinfo (server, port_name, &hints_numeric, &res);
|
|
if (error && error == EAI_NONAME) /* A name, not an address */
|
|
{
|
|
if ((result =
|
|
idna_to_ascii_8z (utf8_server, &ace_server,
|
|
IDNA_USE_STD3_ASCII_RULES)) != IDNA_SUCCESS)
|
|
{
|
|
if (result == IDNA_CONTAINS_LDH)
|
|
err_quit ("Illegal name for host: %s", server); /* foo@bar or
|
|
similar errors */
|
|
else
|
|
err_quit ("IDN error for host: %s %d", server, result);
|
|
}
|
|
if (strcmp (utf8_server, ace_server))
|
|
{
|
|
if (verbose)
|
|
printf ("ACE name of the server: %s\n", ace_server);
|
|
server = ace_server;
|
|
}
|
|
} /* Else it is an address, do not IDNize it */
|
|
#endif
|
|
if (!plugin || !plugin_raw)
|
|
{
|
|
error = getaddrinfo (server, port_name, &hints, &res);
|
|
if (error)
|
|
{
|
|
err_quit ("getaddrinfo error for host: %s %s",
|
|
server, gai_strerror (error));
|
|
}
|
|
|
|
if (getnameinfo (res->ai_addr, res->ai_addrlen, hbuf, sizeof (hbuf),
|
|
pbuf, sizeof (pbuf), niflags) != 0)
|
|
{
|
|
strcpy (hbuf, "?");
|
|
strcpy (pbuf, "?");
|
|
}
|
|
}
|
|
if (plugin)
|
|
{
|
|
if (verbose)
|
|
{
|
|
printf ("Running start() for the plugin %s...\n", plugin_name);
|
|
}
|
|
if (plugin_raw)
|
|
plugin_raw_start ();
|
|
else
|
|
plugin_start (res);
|
|
}
|
|
#ifdef HTTP
|
|
if (http)
|
|
{
|
|
sendline = make_http_sendline (url, server, atoi (pbuf), nocache);
|
|
}
|
|
else
|
|
#endif
|
|
#ifdef SMTP
|
|
if (smtp)
|
|
{
|
|
sendline = "QUIT\r\n"; /* Surprises some SMTP servers which log
|
|
a frightening NOQUEUE. Anyone knows
|
|
better? */
|
|
}
|
|
else
|
|
#endif
|
|
#ifdef ICP
|
|
if (icp)
|
|
{
|
|
if (res->ai_family == AF_INET)
|
|
{
|
|
sendline =
|
|
make_icp_sendline (url, &(res->ai_addr), opcode, &length);
|
|
}
|
|
else
|
|
{
|
|
|
|
/* TODO: we should be able to create a ICP hostid for IPv6 addresses...
|
|
See the Squid IPv6 patch at
|
|
http://devel.squid-cache.org/projects.html#ipv6, for instance the
|
|
following code. */
|
|
sendline = make_icp_sendline (url, (void *) NULL, opcode, &length);
|
|
/*
|
|
- headerp->shostid = theOutICPAddr.s_addr;
|
|
+ ** FIXME ** we should get more unique data from IPv6 address
|
|
+xmemcpy (&headerp->shostid, &theOutICPAddr,
|
|
sizeof (headerp->shostid));
|
|
*/
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
if (!fill_requested)
|
|
{
|
|
sendline = random_string (size);
|
|
}
|
|
else
|
|
{
|
|
sendline = (char *) malloc (size + 1);
|
|
for (i = 0; i < size; i++)
|
|
sendline[i] = fill;
|
|
sendline[size] = 0;
|
|
}
|
|
n = strlen (sendline);
|
|
|
|
#ifdef OPENSSL
|
|
if (ssl)
|
|
{
|
|
SSL_load_error_strings ();
|
|
SSLeay_add_ssl_algorithms ();
|
|
/* The following RAND_ calls are only for systems insecure
|
|
enough to fail to have /dev/urandom. Bug #132001 */
|
|
RAND_file_name (rand_file, sizeof (rand_file));
|
|
RAND_write_file (rand_file);
|
|
RAND_load_file (rand_file, 1024);
|
|
meth = SSLv23_client_method ();
|
|
if ((ctx = SSL_CTX_new (meth)) == NULL)
|
|
err_sys ("Cannot create a new SSL context");
|
|
}
|
|
#endif
|
|
#ifdef GNUTLS
|
|
if (ssl)
|
|
{
|
|
gnutls_global_init ();
|
|
gnutls_certificate_allocate_credentials (&xcred);
|
|
/* gnutls_certificate_set_x509_trust_file(xcred, CAFILE, GNUTLS_X509_FMT_PEM); */
|
|
}
|
|
#endif
|
|
|
|
for (i = 1; i <= number; i++)
|
|
{
|
|
timeout_flag = 0;
|
|
if (timeout_requested)
|
|
alarm (timeout);
|
|
if (i > 1)
|
|
{
|
|
#ifdef HAVE_USLEEP
|
|
usleep (wait * 1000000);
|
|
#else
|
|
sleep (wait);
|
|
#endif
|
|
}
|
|
attempts++;
|
|
#ifdef OPENSSL
|
|
if (ssl)
|
|
/* Despite what the OpenSSL documentation says, we must
|
|
allocate a new SSL structure at each iteration, otherwise,
|
|
*some* SSL servers fail at the second iteration with:
|
|
error:1406D0D9:SSL routines:GET_SERVER_HELLO:reuse cert type not zero
|
|
Bug #130151 */
|
|
if ((sslh = SSL_new (ctx)) == NULL)
|
|
err_sys ("Cannot initialize SSL context");
|
|
#endif
|
|
/*
|
|
* Open a socket.
|
|
*/
|
|
if (!plugin)
|
|
{
|
|
if ((sockfd =
|
|
socket (res->ai_family, res->ai_socktype,
|
|
res->ai_protocol)) < 0)
|
|
err_sys ("Can't open socket");
|
|
if (udp)
|
|
{
|
|
struct addrinfo hints2, *res2;
|
|
|
|
memset (&hints2, 0, sizeof (hints2));
|
|
hints2.ai_family = res->ai_family;
|
|
hints2.ai_flags = AI_PASSIVE;
|
|
hints2.ai_socktype = SOCK_DGRAM;
|
|
error = getaddrinfo (NULL, "0", &hints2, &res2);
|
|
if (error)
|
|
{
|
|
err_sys ("getaddrinfo error");
|
|
}
|
|
if (bind (sockfd, res2->ai_addr, res2->ai_addrlen) < 0)
|
|
{
|
|
err_sys ("bind error");
|
|
}
|
|
}
|
|
#ifdef USE_PRIORITY
|
|
if (priority_requested)
|
|
{
|
|
if (verbose)
|
|
{
|
|
printf ("Setting socket priority to %d (0x%02x)\n",
|
|
priority, (unsigned int) priority);
|
|
}
|
|
if (setsockopt (sockfd,
|
|
SOL_SOCKET,
|
|
SO_PRIORITY,
|
|
(void *) &priority,
|
|
(socklen_t) sizeof (priority)))
|
|
{
|
|
err_sys ("Failed setting socket priority");
|
|
}
|
|
}
|
|
#endif
|
|
#if USE_TOS
|
|
if (tos_requested)
|
|
{
|
|
if (verbose)
|
|
{
|
|
printf ("Setting IP type of service octet to %d (0x%02x)\n",
|
|
tos, (unsigned int) tos);
|
|
}
|
|
if (setsockopt (sockfd,
|
|
SOL_IP,
|
|
IP_TOS, (void *) &tos,
|
|
(socklen_t) sizeof (tos)))
|
|
{
|
|
err_sys ("Failed setting IP type of service octet");
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
if (verbose)
|
|
{
|
|
if (!plugin)
|
|
{
|
|
if (tcp)
|
|
{
|
|
printf
|
|
("Trying to connect to internet address %s %s to transmit %u bytes...\n",
|
|
hbuf, pbuf, n);
|
|
}
|
|
#ifdef ICP
|
|
if (icp)
|
|
{
|
|
printf
|
|
("Trying to send an ICP packet of %u bytes to the internet address %s...\n",
|
|
length, hbuf);
|
|
}
|
|
#endif
|
|
else
|
|
{
|
|
printf
|
|
("Trying to send %u bytes to internet address %s...\n",
|
|
size, hbuf);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (plugin_raw)
|
|
printf ("Trying to call plugin %s...\n", plugin_name);
|
|
else
|
|
printf
|
|
("Trying to call plugin %s for internet address %s %s...\n",
|
|
plugin_name, hbuf, pbuf);
|
|
}
|
|
}
|
|
#ifdef FLUSH_OUTPUT
|
|
if (fflush ((FILE *) NULL) != 0)
|
|
{
|
|
err_sys ("I cannot flush");
|
|
}
|
|
#endif
|
|
if ((tcp || plugin) && timeout_requested) /* echoping's timeout has a different semantic in TCP and UDP */
|
|
{
|
|
#ifdef USE_SIGACTION
|
|
mysigaction.sa_handler = to_alarm;
|
|
sigemptyset (&mysigaction.sa_mask);
|
|
/* Default behavior doesn't seem portable? */
|
|
#ifdef SA_INTERRUPT
|
|
mysigaction.sa_flags = SA_INTERRUPT;
|
|
#else
|
|
mysigaction.sa_flags = (int) 0;
|
|
#endif
|
|
if ((sigaction (SIGALRM, &mysigaction, NULL)) < 0)
|
|
err_sys ("Cannot set signal handler");
|
|
#else
|
|
signal (SIGALRM, to_alarm);
|
|
#endif
|
|
timeout_flag = 0; /* for signal handler */
|
|
alarm (timeout);
|
|
}
|
|
(void) gettimeofday (&oldtv, (struct timezone *) NULL);
|
|
if (plugin)
|
|
{
|
|
plugin_result = plugin_execute ();
|
|
if (plugin_result == -2)
|
|
err_quit ("");
|
|
}
|
|
else
|
|
{
|
|
if (!ttcp && !icp)
|
|
{
|
|
/*
|
|
* Connect to the server.
|
|
*/
|
|
(void) gettimeofday (&conntv, (struct timezone *) NULL);
|
|
if (connect (sockfd, res->ai_addr, res->ai_addrlen) < 0)
|
|
{
|
|
if ((errno == EINTR) && (timeout_flag))
|
|
{
|
|
printf ("Timeout while connecting\n");
|
|
close (sockfd);
|
|
continue;
|
|
#ifdef FLUSH_OUTPUT
|
|
if (fflush ((FILE *) NULL) != 0)
|
|
{
|
|
err_sys ("I cannot flush");
|
|
}
|
|
#endif
|
|
}
|
|
else
|
|
err_sys ("Can't connect to server");
|
|
}
|
|
else
|
|
{
|
|
if (tcp)
|
|
{
|
|
(void) gettimeofday (&connectedtv,
|
|
(struct timezone *) NULL);
|
|
temp = connectedtv;
|
|
tvsub (&temp, &conntv);
|
|
if (verbose)
|
|
{
|
|
printf ("Connected...\n");
|
|
printf ("TCP Latency: %d.%06d seconds\n",
|
|
(int) temp.tv_sec, (int) temp.tv_usec);
|
|
}
|
|
}
|
|
}
|
|
if (verbose && tcp)
|
|
{
|
|
#ifdef FLUSH_OUTPUT
|
|
if (fflush ((FILE *) NULL) != 0)
|
|
{
|
|
err_sys ("I cannot flush");
|
|
}
|
|
#endif
|
|
}
|
|
if (!udp && !ssl)
|
|
if ((files = fdopen (sockfd, "r")) == NULL)
|
|
err_sys ("Cannot fdopen");
|
|
#ifdef OPENSSL
|
|
if (ssl)
|
|
{
|
|
SSL_set_fd (sslh, sockfd);
|
|
if (SSL_connect (sslh) == -1)
|
|
if ((errno == EINTR) && (timeout_flag))
|
|
{
|
|
printf ("Timeout while starting SSL\n");
|
|
close (sockfd);
|
|
continue;
|
|
}
|
|
if (verbose)
|
|
printf ("SSL connection using %s\n",
|
|
SSL_get_cipher (sslh));
|
|
/* We could check the server's certificate or other funny
|
|
things */
|
|
}
|
|
#endif
|
|
#ifdef GNUTLS
|
|
if (ssl)
|
|
{
|
|
tls_result = gnutls_init (&session, GNUTLS_CLIENT);
|
|
if (tls_result != 0)
|
|
err_sys ("Cannot create a new TLS session");
|
|
gnutls_set_default_priority (session);
|
|
gnutls_certificate_type_set_priority (session,
|
|
cert_type_priority);
|
|
gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE,
|
|
xcred);
|
|
gnutls_transport_set_ptr (session,
|
|
(gnutls_transport_ptr) sockfd);
|
|
tls_result = gnutls_handshake (session);
|
|
if (tls_result < 0)
|
|
{
|
|
if ((errno == EINTR) && (timeout_flag))
|
|
{
|
|
printf ("Timeout while starting TLS\n");
|
|
close (sockfd);
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
err_sys ("Cannot start the TLS session: %s",
|
|
gnutls_strerror (tls_result));
|
|
}
|
|
}
|
|
if (verbose)
|
|
printf ("TLS connection using \"%s\"\n",
|
|
gnutls_cipher_get_name (gnutls_cipher_get
|
|
(session)));
|
|
/* We could check the server's certificate or other funny
|
|
things. See http://www.gnu.org/software/gnutls/documentation/gnutls/gnutls.html#SECTION00622000000000000000 */
|
|
}
|
|
#endif
|
|
}
|
|
/* Not T/TCP */
|
|
else
|
|
{
|
|
/* No initial connection */
|
|
}
|
|
if ((port_to_use == USE_ECHO) || (port_to_use == USE_DISCARD) ||
|
|
(port_to_use == USE_HTTP) || (port_to_use == USE_ICP) ||
|
|
(port_to_use == USE_SMTP))
|
|
{
|
|
#ifdef USE_TTCP
|
|
if (ttcp)
|
|
{
|
|
if (sendto (sockfd, sendline, n, MSG_EOF,
|
|
res->ai_addr, res->ai_addrlen) != n)
|
|
err_sys ("sendto error on socket");
|
|
if (verbose)
|
|
{
|
|
printf ("T/TCP connection done\n");
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
if (!udp)
|
|
{
|
|
if (!ssl)
|
|
{
|
|
/* Write something to the server */
|
|
if (writen (sockfd, sendline, n) != n)
|
|
{
|
|
if ((nr < 0 || nr != n) && timeout_flag)
|
|
{
|
|
printf
|
|
("Timeout while writing (%d byte(s) written so far)\n",
|
|
(nr == -1) ? 0 : nr);
|
|
nr = n;
|
|
close (sockfd);
|
|
continue;
|
|
}
|
|
else
|
|
err_sys ("writen error on TCP socket %d", sockfd);
|
|
}
|
|
}
|
|
#ifdef OPENSSL
|
|
else
|
|
{
|
|
if ((rc = SSL_write (sslh, sendline, n)) != n)
|
|
{
|
|
if ((nr < 0 || nr != n) && timeout_flag)
|
|
{
|
|
nr = n;
|
|
printf ("Timeout while writing\n");
|
|
close (sockfd);
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
sslcode = ERR_get_error ();
|
|
err_sys ("SSL_write error on socket: %s",
|
|
ERR_error_string (sslcode, NULL));
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
#ifdef GNUTLS
|
|
else
|
|
{
|
|
if ((rc =
|
|
gnutls_record_send (session, sendline,
|
|
strlen (sendline))) != n)
|
|
{
|
|
if ((nr < 0 || nr != n) && timeout_flag)
|
|
{
|
|
nr = n;
|
|
printf ("Timeout while writing\n");
|
|
close (sockfd);
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
err_sys
|
|
("gnutls_record_send error %d on socket: %s",
|
|
rc, gnutls_strerror (rc));
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
#ifdef ICP
|
|
if (icp)
|
|
{
|
|
if (sendto (sockfd, sendline, length, 0,
|
|
res->ai_addr, res->ai_addrlen) != length)
|
|
err_sys ("sendto error on socket");
|
|
}
|
|
else
|
|
#endif
|
|
/*
|
|
* if (sendto(sockfd, sendline, n, 0,
|
|
* &serv_addr, sizeof(serv_addr)) != n)
|
|
* err_sys("sendto error on socket");
|
|
*/
|
|
if (send (sockfd, sendline, n, 0) != n)
|
|
err_sys ("send error on socket");
|
|
}
|
|
if (verbose)
|
|
{
|
|
(void) gettimeofday (&sendtv, (struct timezone *) NULL);
|
|
#ifdef ICP
|
|
if (icp)
|
|
printf ("Sent (%d bytes)...\n", length);
|
|
else
|
|
#endif
|
|
printf ("Sent (%d bytes)...\n", n);
|
|
|
|
#ifdef FLUSH_OUTPUT
|
|
if (fflush ((FILE *) NULL) != 0)
|
|
{
|
|
err_sys ("I cannot flush");
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
if (tcp && !discard)
|
|
{
|
|
fd_set mask;
|
|
int n = 0;
|
|
|
|
FD_ZERO (&mask);
|
|
|
|
if (!(http && ssl))
|
|
n = fileno (files);
|
|
#ifdef OPENSSL
|
|
else
|
|
{
|
|
n = SSL_get_fd (sslh);
|
|
}
|
|
#endif
|
|
#ifdef GNUTLS
|
|
else
|
|
{
|
|
n = sockfd;
|
|
}
|
|
#endif
|
|
FD_SET (n, &mask);
|
|
if (select (n + 1, &mask, 0, 0, NULL) > 0)
|
|
{
|
|
(void) gettimeofday (&recvtv, (struct timezone *) NULL);
|
|
temp = recvtv;
|
|
tvsub (&temp, &sendtv);
|
|
if (verbose)
|
|
printf ("Application Latency: %d.%06d seconds\n",
|
|
(int) temp.tv_sec, (int) temp.tv_usec);
|
|
}
|
|
|
|
}
|
|
|
|
if ((port_to_use == USE_ECHO) || (port_to_use == USE_CHARGEN) ||
|
|
(port_to_use == USE_HTTP) || (port_to_use == USE_ICP) ||
|
|
(port_to_use == USE_SMTP))
|
|
{
|
|
if (!udp)
|
|
{
|
|
if (!http && !smtp && !discard)
|
|
{
|
|
/* Read from the server */
|
|
nr = readline (files, recvline, n, stop_at_newlines);
|
|
}
|
|
else if (discard)
|
|
{
|
|
/* No reply, no read */
|
|
}
|
|
#ifdef HTTP
|
|
else if (http)
|
|
{
|
|
if (!ssl)
|
|
channel.fs = files;
|
|
#ifdef OPENSSL
|
|
else
|
|
channel.ssl = sslh;
|
|
#endif
|
|
#ifdef GNUTLS
|
|
else
|
|
channel.tls = session;
|
|
#endif
|
|
nr = read_from_server (channel, ssl);
|
|
}
|
|
#endif
|
|
#ifdef SMTP
|
|
else if (smtp)
|
|
{
|
|
nr = smtp_read_response_from_server (files);
|
|
}
|
|
#endif
|
|
|
|
}
|
|
else
|
|
{
|
|
#ifdef USE_SIGACTION
|
|
mysigaction.sa_handler = to_alarm;
|
|
sigemptyset (&mysigaction.sa_mask);
|
|
#ifdef SA_INTERRUPT
|
|
mysigaction.sa_flags = SA_INTERRUPT;
|
|
#else
|
|
mysigaction.sa_flags = (int) 0;
|
|
#endif
|
|
if ((sigaction (SIGALRM, &mysigaction, NULL)) < 0)
|
|
err_sys ("Cannot set signal handler");
|
|
#else
|
|
signal (SIGALRM, to_alarm);
|
|
#endif
|
|
timeout_flag = 0; /* for signal handler */
|
|
#ifdef ICP
|
|
if (icp)
|
|
{
|
|
nr = recv_icp (sockfd, recvline, retcode);
|
|
if (verbose)
|
|
{
|
|
printf ("%s\n", retcode);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
#endif
|
|
nr = recv (sockfd, recvline, n, 0);
|
|
/*
|
|
* nr = recvfrom(sockfd, recvline, n, 0,
|
|
* (struct sockaddr *) 0, (int *) 0);
|
|
* recvfrom fails on SunOS on connected
|
|
* sockets.
|
|
*/
|
|
/*
|
|
* Todo: in UDP, we should loop to read: we
|
|
* can have several reads necessary.
|
|
*/
|
|
if ((nr < 0) && (errno == EINTR) && (timeout_flag))
|
|
{
|
|
nr = n;
|
|
printf ("Timeout\n");
|
|
#ifdef FLUSH_OUTPUT
|
|
if (fflush ((FILE *) NULL) != 0)
|
|
{
|
|
err_sys ("I cannot flush");
|
|
}
|
|
#endif
|
|
}
|
|
#ifdef ICP
|
|
}
|
|
#endif
|
|
}
|
|
if (!http && !icp && !smtp && !discard)
|
|
{
|
|
if ((nr < 0 || nr != n) && timeout_flag)
|
|
/* if ((nr < 0 || nr != n) && (errno == EINTR) && timeout_flag) */
|
|
{
|
|
printf ("Timeout while reading (%d byte(s) read)\n",
|
|
(nr == -1) ? 0 : nr);
|
|
nr = n;
|
|
#ifdef FLUSH_OUTPUT
|
|
if (fflush ((FILE *) NULL) != 0)
|
|
{
|
|
err_sys ("I cannot flush");
|
|
}
|
|
#endif
|
|
close (sockfd);
|
|
continue;
|
|
}
|
|
if (nr < 0 || nr != n)
|
|
err_sys
|
|
("readline error: %d bytes read, %d bytes requested",
|
|
nr, n);
|
|
}
|
|
else
|
|
/* This is probably HTTP */
|
|
{
|
|
/* printf ("DEBUG: received %d bytes (flag is %d, errno is %d)\n", nr, timeout_flag, errno); */
|
|
if ((errno == EINTR) && timeout_flag)
|
|
{
|
|
printf
|
|
("Timeout while reading (%d byte(s) read so far)\n",
|
|
(nr == -1) ? 0 : nr);
|
|
#ifdef FLUSH_OUTPUT
|
|
if (fflush ((FILE *) NULL) != 0)
|
|
{
|
|
err_sys ("I cannot flush");
|
|
}
|
|
#endif
|
|
close (sockfd);
|
|
continue;
|
|
}
|
|
if (nr < 0)
|
|
{
|
|
err_ret ("Error reading HTTP reply");
|
|
}
|
|
}
|
|
if (verbose)
|
|
printf ("%d bytes read from server.\n", nr);
|
|
}
|
|
} /* That's all, folks */
|
|
alarm (0);
|
|
if (http)
|
|
{
|
|
#ifdef OPENSSL
|
|
if (ssl)
|
|
SSL_shutdown (channel.ssl);
|
|
else
|
|
#endif
|
|
#ifdef GNUTLS
|
|
if (ssl)
|
|
shutdown (sockfd, SHUT_RDWR);
|
|
else
|
|
#endif
|
|
fclose (channel.fs);
|
|
}
|
|
close (sockfd);
|
|
|
|
(void) gettimeofday (&newtv, (struct timezone *) NULL);
|
|
temp = newtv;
|
|
tvsub (&temp, &oldtv);
|
|
if (!timeout_flag)
|
|
{
|
|
tvadd (&total, &temp);
|
|
|
|
/* Check */
|
|
if (!plugin)
|
|
{
|
|
if (port_to_use == USE_ECHO)
|
|
{
|
|
if (strcmp (sendline, recvline) != 0)
|
|
{
|
|
printf (" I wrote:\n%s\n", sendline);
|
|
printf (" and I got back:\n%s\n", recvline);
|
|
err_quit ("Strange server");
|
|
}
|
|
if (verbose)
|
|
{
|
|
printf ("Checked\n");
|
|
#ifdef FLUSH_OUTPUT
|
|
if (fflush ((FILE *) NULL) != 0)
|
|
{
|
|
err_sys ("I cannot flush");
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
if (port_to_use == USE_CHARGEN)
|
|
{
|
|
sendline = CHARGENERATED;
|
|
recvline[strlen (sendline)] = 0;
|
|
if (strcmp (sendline, recvline) != 0)
|
|
{
|
|
/* TODO: it does not work if the size is lower than the
|
|
length of CHARGENERATED */
|
|
printf (" I got back:\n%s\n", recvline);
|
|
printf (" instead of the most common:\n%s\n", sendline);
|
|
err_ret ("Strange server");
|
|
}
|
|
if (verbose)
|
|
{
|
|
printf ("Checked\n");
|
|
}
|
|
}
|
|
}
|
|
tvsub (&newtv, &oldtv);
|
|
tvmin (&min, &newtv);
|
|
tvmax (&max, &newtv);
|
|
printf ("Elapsed time: %d.%06d seconds\n",
|
|
(int) newtv.tv_sec, (int) newtv.tv_usec);
|
|
#ifdef FLUSH_OUTPUT
|
|
if (fflush ((FILE *) NULL) != 0)
|
|
{
|
|
err_sys ("I cannot flush");
|
|
}
|
|
#endif
|
|
results[i - 1].valid = 1;
|
|
results[i - 1].timevalue = newtv;
|
|
successes++;
|
|
}
|
|
if (number > 1)
|
|
{
|
|
#ifdef OPENSSL
|
|
if (ssl)
|
|
{
|
|
/* SSL_clear (sslh); No, we have to free. Bug #130151 */
|
|
SSL_free (sslh);
|
|
}
|
|
#endif
|
|
#ifdef GNUTLS
|
|
if (ssl)
|
|
{
|
|
gnutls_bye (channel.tls, GNUTLS_SHUT_RDWR);
|
|
gnutls_deinit (session);
|
|
/* gnutls_certificate_free_credentials(xcred); */
|
|
}
|
|
#endif
|
|
}
|
|
} /* End of main loop */
|
|
|
|
/* Clean */
|
|
if (plugin)
|
|
plugin_terminate ();
|
|
/* It would be nice to clean here for OpenSSL */
|
|
#ifdef GNUTLS
|
|
if (ssl)
|
|
{
|
|
gnutls_global_deinit ();
|
|
}
|
|
#endif
|
|
printstats ();
|
|
if (successes >= 1)
|
|
exit (0);
|
|
else
|
|
exit (1);
|
|
}
|
|
|
|
void
|
|
printstats ()
|
|
{
|
|
|
|
int i;
|
|
|
|
/* if ((number > 1) && ((!udp) || (successes > 0))) { */
|
|
if (successes > 1)
|
|
{
|
|
printf ("---\n");
|
|
if (successes < attempts)
|
|
printf ("Warning: %d message(s) lost (%d %%)\n", attempts - successes,
|
|
((attempts - successes) * 100) / attempts);
|
|
printf ("Minimum time: %d.%06d seconds (%.0f bytes per sec.)\n",
|
|
(int) min.tv_sec, (int) min.tv_usec,
|
|
(double) size / tv2double (min));
|
|
printf ("Maximum time: %d.%06d seconds (%.0f bytes per sec.)\n",
|
|
(int) max.tv_sec, (int) max.tv_usec,
|
|
(double) size / tv2double (max));
|
|
tvavg (&total, successes);
|
|
printf ("Average time: %d.%06d seconds (%.0f bytes per sec.)\n",
|
|
(int) total.tv_sec, (int) total.tv_usec,
|
|
(double) size / tv2double (total));
|
|
/* The number of bytes/second, as printed above, is not really
|
|
meaningful: size does not reflect the number of bytes exchanged.
|
|
With echo, N = 2*size, with discard, N = size, with http, N = size + (response)... */
|
|
tvstddev (&stddev, successes, total, results);
|
|
printf ("Standard deviation: %d.%06d\n",
|
|
(int) stddev.tv_sec, (int) stddev.tv_usec);
|
|
for (i = 0; i < number; i++)
|
|
{
|
|
if (results[i].valid)
|
|
good_results[j++] = results[i].timevalue;
|
|
}
|
|
if (successes != j) /* Todo: bug! */
|
|
err_quit ("successes (%d) is different from j (%d)", successes, j);
|
|
qsort (good_results, successes, sizeof (struct timeval), tvcmp);
|
|
/*
|
|
* for (i = 1; i <= number; i++) { printf("---\nTime %d th:
|
|
* %d.%06d seconds\n", i, results[i-1].tv_sec,
|
|
* results[i-1].tv_usec); }
|
|
*/
|
|
if ((successes % 2) == 1)
|
|
{
|
|
/*
|
|
* printf("Searching good_results[%d]\n", (successes
|
|
* + 1) / 2 - 1);
|
|
*/
|
|
median = good_results[((successes + 1) / 2 - 1)];
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* printf("Searching good_results[%d] and [%d]\n",
|
|
* (successes / 2) - 1, successes / 2);
|
|
*/
|
|
tvadd (&median, &good_results[(successes / 2) - 1]);
|
|
tvadd (&median, &good_results[successes / 2]);
|
|
tvavg (&median, 2);
|
|
}
|
|
printf ("Median time: %d.%06d seconds (%.0f bytes per sec.)\n",
|
|
(int) median.tv_sec, (int) median.tv_usec,
|
|
(double) size / tv2double (median));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Signal handler for timeouts (SIGALRM). This function is called when the
|
|
* alarm() value that was set counts down to zero. This indicates that we
|
|
* haven't received a response from the server to the last datagram we sent.
|
|
* All we do is set a flag and return from the signal handler. The occurrence
|
|
* of the signal interrupts the recvfrom() system call (errno = EINTR) above,
|
|
* and we then check the timeout_flag flag.
|
|
*/
|
|
|
|
void
|
|
to_alarm ()
|
|
{
|
|
/* printf ("DEBUG: timeout handler called\n"); */
|
|
timeout_flag = 1; /* set flag for function above */
|
|
}
|
|
|
|
void
|
|
interrupted ()
|
|
{
|
|
printf ("Interrupted by user\n");
|
|
printstats ();
|
|
exit (1);
|
|
}
|