X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=plugins%2Fcheck_tcp.c;h=178bd5688dec52abeeb72667b595ba7c65709ab5;hb=eaf3cb27f4b5bae479014a34c7decd3feedcf8fd;hp=b8af1a1d8699a5a47737be484bd4886a4a6167c7;hpb=58f124b80330917c003e24b35748d4ef7cb38056;p=nagiosplug.git diff --git a/plugins/check_tcp.c b/plugins/check_tcp.c index b8af1a1..178bd56 100644 --- a/plugins/check_tcp.c +++ b/plugins/check_tcp.c @@ -1,289 +1,255 @@ /***************************************************************************** -* -* This program is free software; you can redistribute it and/or modify +* +* Nagios check_tcp plugin +* +* License: GPL +* Copyright (c) 1999-2008 Nagios Plugins Development Team +* +* Description: +* +* This file contains the check_tcp plugin +* +* +* This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by -* the Free Software Foundation; either version 2 of the License, or +* the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. -* +* * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. -* +* * You should have received a copy of the GNU General Public License -* along with this program; if not, write to the Free Software -* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +* along with this program. If not, see . * +* $Id$ +* *****************************************************************************/ -/* progname changes depending on symlink called */ -char *progname = "check_tcp"; -const char *revision = "$Revision$"; -const char *copyright = "2002-2003"; -const char *authors = "Nagios Plugin Development Team"; +/* progname "check_tcp" changes depending on symlink called */ +char *progname; +const char *copyright = "1999-2008"; const char *email = "nagiosplug-devel@lists.sourceforge.net"; -const char *summary = "\ -This plugin tests %s connections with the specified host.\n"; - -const char *option_summary = "\ --H host -p port [-w warn_time] [-c crit_time] [-s send_string]\n\ - [-e expect_string] [-q quit_string] [-m maxbytes] [-d delay]\n\ - [-t to_sec] [-r refuse_state] [-v] [-4|-6]\n"; - -const char *options = "\ - -H, --hostname=ADDRESS\n\ - Host name argument for servers using host headers (use numeric\n\ - address if possible to bypass DNS lookup).\n\ - -p, --port=INTEGER\n\ - Port number\n\ - -4, --use-ipv4\n\ - Use IPv4 connection\n\ - -6, --use-ipv6\n\ - Use IPv6 connection\n\ - -s, --send=STRING\n\ - String to send to the server\n\ - -e, --expect=STRING\n\ - String to expect in server response\n\ - -q, --quit=STRING\n\ - String to send server to initiate a clean close of the connection\n\ - -m, --maxbytes=INTEGER\n\ - Close connection once more than this number of bytes are received\n\ - -d, --delay=INTEGER\n\ - Seconds to wait between sending string and polling for response\n\ - -w, --warning=DOUBLE\n\ - Response time to result in warning status (seconds)\n\ - -c, --critical=DOUBLE\n\ - Response time to result in critical status (seconds)\n\ - -t, --timeout=INTEGER\n\ - Seconds before connection times out (default: %d)\n\ - -r, --refuse=ok|warn|crit\n\ - Accept tcp refusals with states ok, warn, crit (default: crit)\n\ - -v, --verbose\n\ - Show details for command-line debugging (Nagios may truncate output)\n"; - -const char *standard_options = "\ - -h, --help\n\ - Print detailed help screen\n\ - -V, --version\n\ - Print version information\n\n"; - -#include "config.h" #include "common.h" #include "netutils.h" #include "utils.h" - -#ifdef HAVE_SSL_H -# include -# include -# include -# include -# include -# include -#else -# ifdef HAVE_OPENSSL_SSL_H -# include -# include -# include -# include -# include -# include -# endif -#endif +#include "utils_tcp.h" #ifdef HAVE_SSL -SSL_CTX *ctx; -SSL *ssl; -int connect_SSL (void); +static int check_cert = FALSE; +static int days_till_exp; +# define my_recv(buf, len) ((flags & FLAG_SSL) ? np_net_ssl_read(buf, len) : read(sd, buf, len)) +# define my_send(buf, len) ((flags & FLAG_SSL) ? np_net_ssl_write(buf, len) : send(sd, buf, len, 0)) +#else +# define my_recv(buf, len) read(sd, buf, len) +# define my_send(buf, len) send(sd, buf, len, 0) #endif -enum { - TCP_PROTOCOL = 1, - UDP_PROTOCOL = 2, - MAXBUF = 1024 -}; - -int process_arguments (int, char **); -void print_usage (void); +/* int my_recv(char *, size_t); */ +static int process_arguments (int, char **); void print_help (void); -int my_recv (void); - -char *SERVICE = NULL; -char *SEND = NULL; -char *EXPECT = NULL; -char *QUIT = NULL; -int PROTOCOL = 0; -int PORT = 0; - -int server_port = 0; -char *server_address = NULL; -char *server_send = NULL; -char *server_quit = NULL; -char **server_expect = NULL; -int server_expect_count = 0; -int maxbytes = 0; -char **warn_codes = NULL; -int warn_codes_count = 0; -char **crit_codes = NULL; -int crit_codes_count = 0; -int delay = 0; -double warning_time = 0; -int check_warning_time = FALSE; -double critical_time = 0; -int check_critical_time = FALSE; -double elapsed_time = 0; -int verbose = FALSE; -int use_ssl = FALSE; -int sd = 0; -char *buffer = ""; +void print_usage (void); + +#define EXPECT server_expect[0] +static char *SERVICE = "TCP"; +static char *SEND = NULL; +static char *QUIT = NULL; +static int PROTOCOL = IPPROTO_TCP; /* most common is default */ +static int PORT = 0; + +static int server_port = 0; +static char *server_address = NULL; +static char *server_send = NULL; +static char *server_quit = NULL; +static char **server_expect; +static size_t server_expect_count = 0; +static size_t maxbytes = 0; +static char **warn_codes = NULL; +static size_t warn_codes_count = 0; +static char **crit_codes = NULL; +static size_t crit_codes_count = 0; +static unsigned int delay = 0; +static double warning_time = 0; +static double critical_time = 0; +static double elapsed_time = 0; +static long microsec; +static int sd = 0; +#define MAXBUF 1024 +static char buffer[MAXBUF]; +static int expect_mismatch_state = STATE_WARNING; + +#define FLAG_SSL 0x01 +#define FLAG_VERBOSE 0x02 +#define FLAG_EXACT_MATCH 0x04 +#define FLAG_TIME_WARN 0x08 +#define FLAG_TIME_CRIT 0x10 +#define FLAG_HIDE_OUTPUT 0x20 +#define FLAG_MATCH_ALL 0x40 +static size_t flags = FLAG_EXACT_MATCH; int main (int argc, char **argv) { - int result; + int result = STATE_UNKNOWN; int i; - char *status = ""; + char *status = NULL; struct timeval tv; - - if (strstr (argv[0], "check_udp")) { - progname = strdup ("check_udp"); - SERVICE = strdup ("UDP"); - SEND = NULL; - EXPECT = NULL; - QUIT = NULL; - PROTOCOL = UDP_PROTOCOL; - PORT = 0; + size_t len; + int match = -1; + + setlocale (LC_ALL, ""); + bindtextdomain (PACKAGE, LOCALEDIR); + textdomain (PACKAGE); + + /* determine program- and service-name quickly */ + progname = strrchr(argv[0], '/'); + if(progname != NULL) progname++; + else progname = argv[0]; + + len = strlen(progname); + if(len > 6 && !memcmp(progname, "check_", 6)) { + SERVICE = strdup(progname + 6); + for(i = 0; i < len - 6; i++) + SERVICE[i] = toupper(SERVICE[i]); } - else if (strstr (argv[0], "check_tcp")) { - progname = strdup ("check_tcp"); - SERVICE = strdup ("TCP"); - SEND = NULL; - EXPECT = NULL; - QUIT = NULL; - PROTOCOL = TCP_PROTOCOL; - PORT = 0; + + /* set up a resonable buffer at first (will be realloc()'ed if + * user specifies other options) */ + server_expect = calloc(sizeof(char *), 2); + + /* determine defaults for this service's protocol */ + if (!strncmp(SERVICE, "UDP", 3)) { + PROTOCOL = IPPROTO_UDP; } - else if (strstr (argv[0], "check_ftp")) { - progname = strdup ("check_ftp"); - SERVICE = strdup ("FTP"); - SEND = NULL; - EXPECT = strdup ("220"); - QUIT = strdup ("QUIT\r\n"); - PROTOCOL = TCP_PROTOCOL; + else if (!strncmp(SERVICE, "FTP", 3)) { + EXPECT = "220"; + QUIT = "QUIT\r\n"; PORT = 21; } - else if (strstr (argv[0], "check_smtp")) { - progname = strdup ("check_smtp"); - SERVICE = strdup ("SMTP"); - SEND = NULL; - EXPECT = strdup ("220"); - QUIT = strdup ("QUIT\r\n"); - PROTOCOL = TCP_PROTOCOL; - PORT = 25; - } - else if (strstr (argv[0], "check_pop")) { - progname = strdup ("check_pop"); - SERVICE = strdup ("POP"); - SEND = NULL; - EXPECT = strdup ("+OK"); - QUIT = strdup ("QUIT\r\n"); - PROTOCOL = TCP_PROTOCOL; + else if (!strncmp(SERVICE, "POP", 3) || !strncmp(SERVICE, "POP3", 4)) { + EXPECT = "+OK"; + QUIT = "QUIT\r\n"; PORT = 110; } - else if (strstr (argv[0], "check_imap")) { - progname = strdup ("check_imap"); - SERVICE = strdup ("IMAP"); - SEND = NULL; - EXPECT = strdup ("* OK"); - QUIT = strdup ("a1 LOGOUT\r\n"); - PROTOCOL = TCP_PROTOCOL; + else if (!strncmp(SERVICE, "SMTP", 4)) { + EXPECT = "220"; + QUIT = "QUIT\r\n"; + PORT = 25; + } + else if (!strncmp(SERVICE, "IMAP", 4)) { + EXPECT = "* OK"; + QUIT = "a1 LOGOUT\r\n"; PORT = 143; } #ifdef HAVE_SSL - else if (strstr(argv[0],"check_simap")) { - progname = strdup ("check_simap"); - SERVICE = strdup ("SIMAP"); - SEND=NULL; - EXPECT = strdup ("* OK"); - QUIT = strdup ("a1 LOGOUT\r\n"); - PROTOCOL=TCP_PROTOCOL; - use_ssl=TRUE; - PORT=993; + else if (!strncmp(SERVICE, "SIMAP", 5)) { + EXPECT = "* OK"; + QUIT = "a1 LOGOUT\r\n"; + flags |= FLAG_SSL; + PORT = 993; } - else if (strstr(argv[0],"check_spop")) { - progname = strdup ("check_spop"); - SERVICE = strdup ("SPOP"); - SEND=NULL; - EXPECT = strdup ("+OK"); - QUIT = strdup ("QUIT\r\n"); - PROTOCOL=TCP_PROTOCOL; - use_ssl=TRUE; - PORT=995; + else if (!strncmp(SERVICE, "SPOP", 4)) { + EXPECT = "+OK"; + QUIT = "QUIT\r\n"; + flags |= FLAG_SSL; + PORT = 995; + } + else if (!strncmp(SERVICE, "SSMTP", 5)) { + EXPECT = "220"; + QUIT = "QUIT\r\n"; + flags |= FLAG_SSL; + PORT = 465; + } + else if (!strncmp(SERVICE, "JABBER", 6)) { + SEND = "\n"; + EXPECT = " 0) { @@ -291,121 +257,165 @@ main (int argc, char **argv) sleep (delay); } - if (server_send || server_expect_count > 0) { - - buffer = malloc (MAXBUF); - memset (buffer, '\0', MAXBUF); - /* watch for the expect string */ - while ((i = my_recv ()) > 0) { - buffer[i] = '\0'; - asprintf (&status, "%s%s", status, buffer); - if (buffer[i-2] == '\r' && buffer[i-1] == '\n') - break; - if (maxbytes>0 && strlen(status)>=maxbytes) - break; + if(flags & FLAG_VERBOSE) { + if (server_send) { + printf("Send string: %s\n", server_send); } + if (server_quit) { + printf("Quit string: %s\n", server_quit); + } + printf("server_expect_count: %d\n", (int)server_expect_count); + for(i = 0; i < server_expect_count; i++) + printf("\t%d: %s\n", i, server_expect[i]); + } - /* return a CRITICAL status if we couldn't read any data */ - if (status == NULL) - terminate (STATE_CRITICAL, "No data received from host\n"); + /* if(len) later on, we know we have a non-NULL response */ + len = 0; + if (server_expect_count) { - strip (status); + /* watch for the expect string */ + while ((i = my_recv(buffer, sizeof(buffer))) > 0) { + status = realloc(status, len + i + 1); + memcpy(&status[len], buffer, i); + len += i; - if (status && verbose) - printf ("%s\n", status); + /* stop reading if user-forced or data-starved */ + if(i < sizeof(buffer) || (maxbytes && len >= maxbytes)) + break; - if (server_expect_count > 0) { - for (i = 0;; i++) { - if (verbose) - printf ("%d %d\n", i, server_expect_count); - if (i >= server_expect_count) - terminate (STATE_WARNING, "Invalid response from host\n"); - if (strstr (status, server_expect[i])) - break; - } + if (maxbytes && len >= maxbytes) + break; } + + /* no data when expected, so return critical */ + if (len == 0) + die (STATE_CRITICAL, _("No data received from host\n")); + + /* force null-termination and strip whitespace from end of output */ + status[len--] = '\0'; + /* print raw output if we're debugging */ + if(flags & FLAG_VERBOSE) + printf("received %d bytes from host\n#-raw-recv-------#\n%s\n#-raw-recv-------#\n", + (int)len + 1, status); + while(isspace(status[len])) status[len--] = '\0'; + + match = np_expect_match(status, + server_expect, + server_expect_count, + (flags & FLAG_MATCH_ALL ? TRUE : FALSE), + (flags & FLAG_EXACT_MATCH ? TRUE : FALSE), + (flags & FLAG_VERBOSE ? TRUE : FALSE)); } if (server_quit != NULL) { + my_send(server_quit, strlen(server_quit)); + } #ifdef HAVE_SSL - if (use_ssl) { - SSL_write (ssl, server_quit, strlen (server_quit)); - SSL_shutdown (ssl); - SSL_free (ssl); - SSL_CTX_free (ctx); - } - else { -#endif - send (sd, server_quit, strlen (server_quit), 0); -#ifdef HAVE_SSL - } + np_net_ssl_cleanup(); #endif - } - - /* close the connection */ - if (sd) - close (sd); + if (sd) close (sd); - elapsed_time = delta_time (tv); + microsec = deltime (tv); + elapsed_time = (double)microsec / 1.0e6; - if (check_critical_time == TRUE && elapsed_time > critical_time) + if (flags & FLAG_TIME_CRIT && elapsed_time > critical_time) result = STATE_CRITICAL; - else if (check_warning_time == TRUE && elapsed_time > warning_time) + else if (flags & FLAG_TIME_WARN && elapsed_time > warning_time) result = STATE_WARNING; + /* did we get the response we hoped? */ + if(match == FALSE && result != STATE_CRITICAL) + result = expect_mismatch_state; + /* reset the alarm */ alarm (0); - printf - ("%s %s%s - %.3f second response time on port %d", - SERVICE, - state_text (result), - (was_refused) ? " (refused)" : "", - elapsed_time, server_port); + /* this is a bit stupid, because we don't want to print the + * response time (which can look ok to the user) if we didn't get + * the response we were looking for. if-else */ + printf("%s %s - ", SERVICE, state_text(result)); - if (status && strlen(status) > 0) - printf (" [%s]", status); + if(match == FALSE && len && !(flags & FLAG_HIDE_OUTPUT)) + printf("Unexpected response from host/socket: %s", status); + else { + if(match == FALSE) + printf("Unexpected response from host/socket on "); + else + printf("%.3f second response time on ", elapsed_time); + if(server_address[0] != '/') + printf("port %d", server_port); + else + printf("socket %s", server_address); + } - printf ("|time=%.3f\n", elapsed_time); + if (match != FALSE && !(flags & FLAG_HIDE_OUTPUT) && len) + printf (" [%s]", status); + /* perf-data doesn't apply when server doesn't talk properly, + * so print all zeroes on warn and crit. Use fperfdata since + * localisation settings can make different outputs */ + if(match == FALSE) + printf ("|%s", + fperfdata ("time", elapsed_time, "s", + (flags & FLAG_TIME_WARN ? TRUE : FALSE), 0, + (flags & FLAG_TIME_CRIT ? TRUE : FALSE), 0, + TRUE, 0, + TRUE, socket_timeout) + ); + else + printf("|%s", + fperfdata ("time", elapsed_time, "s", + (flags & FLAG_TIME_WARN ? TRUE : FALSE), warning_time, + (flags & FLAG_TIME_CRIT ? TRUE : FALSE), critical_time, + TRUE, 0, + TRUE, socket_timeout) + ); + + putchar('\n'); return result; } - /* process command-line arguments */ -int +static int process_arguments (int argc, char **argv) { int c; + int escape = 0; - int option_index = 0; - static struct option long_options[] = { + int option = 0; + static struct option longopts[] = { {"hostname", required_argument, 0, 'H'}, - {"critical-time", required_argument, 0, 'c'}, - {"warning-time", required_argument, 0, 'w'}, + {"critical", required_argument, 0, 'c'}, + {"warning", required_argument, 0, 'w'}, {"critical-codes", required_argument, 0, 'C'}, {"warning-codes", required_argument, 0, 'W'}, {"timeout", required_argument, 0, 't'}, - {"protocol", required_argument, 0, 'P'}, + {"protocol", required_argument, 0, 'P'}, /* FIXME: Unhandled */ {"port", required_argument, 0, 'p'}, + {"escape", no_argument, 0, 'E'}, + {"all", no_argument, 0, 'A'}, {"send", required_argument, 0, 's'}, {"expect", required_argument, 0, 'e'}, {"maxbytes", required_argument, 0, 'm'}, {"quit", required_argument, 0, 'q'}, + {"jail", no_argument, 0, 'j'}, {"delay", required_argument, 0, 'd'}, {"refuse", required_argument, 0, 'r'}, + {"mismatch", required_argument, 0, 'M'}, {"use-ipv4", no_argument, 0, '4'}, {"use-ipv6", no_argument, 0, '6'}, {"verbose", no_argument, 0, 'v'}, {"version", no_argument, 0, 'V'}, {"help", no_argument, 0, 'h'}, + {"ssl", no_argument, 0, 'S'}, + {"certificate", required_argument, 0, 'D'}, {0, 0, 0, 0} }; if (argc < 2) - usage ("No arguments found\n"); + usage4 (_("No arguments found")); /* backwards compatibility */ for (c = 1; c < argc; c++) { @@ -425,48 +435,47 @@ process_arguments (int argc, char **argv) } while (1) { - c = getopt_long (argc, argv, "+hVv46H:s:e:q:m:c:w:t:p:C:W:d:Sr:", - long_options, &option_index); + c = getopt_long (argc, argv, "+hVv46EAH:s:e:q:m:c:w:t:p:C:W:d:Sr:jD:M:", + longopts, &option); if (c == -1 || c == EOF || c == 1) break; switch (c) { case '?': /* print short usage statement if args not parsable */ - printf ("%s: Unknown argument: %s\n\n", progname, optarg); - print_usage (); - exit (STATE_UNKNOWN); + usage5 (); case 'h': /* help */ print_help (); exit (STATE_OK); case 'V': /* version */ - print_revision (progname, "$Revision$"); + print_revision (progname, NP_VERSION); exit (STATE_OK); case 'v': /* verbose mode */ - verbose = TRUE; + flags |= FLAG_VERBOSE; break; case '4': address_family = AF_INET; break; case '6': +#ifdef USE_IPV6 address_family = AF_INET6; +#else + usage4 (_("IPv6 support not available")); +#endif break; case 'H': /* hostname */ - if (is_host (optarg) == FALSE) - usage2 ("invalid host name or address", optarg); server_address = optarg; break; case 'c': /* critical */ - if (!is_intnonneg (optarg)) - usage ("Critical threshold must be a nonnegative integer\n"); critical_time = strtod (optarg, NULL); - check_critical_time = TRUE; + flags |= FLAG_TIME_CRIT; + break; + case 'j': /* hide output */ + flags |= FLAG_HIDE_OUTPUT; break; case 'w': /* warning */ - if (!is_intnonneg (optarg)) - usage ("Warning threshold must be a nonnegative integer\n"); warning_time = strtod (optarg, NULL); - check_warning_time = TRUE; + flags |= FLAG_TIME_WARN; break; case 'C': crit_codes = realloc (crit_codes, ++crit_codes_count); @@ -478,31 +487,44 @@ process_arguments (int argc, char **argv) break; case 't': /* timeout */ if (!is_intpos (optarg)) - usage ("Timeout interval must be a positive integer\n"); - socket_timeout = atoi (optarg); + usage4 (_("Timeout interval must be a positive integer")); + else + socket_timeout = atoi (optarg); break; case 'p': /* port */ if (!is_intpos (optarg)) - usage ("Server port must be a positive integer\n"); - server_port = atoi (optarg); + usage4 (_("Port must be a positive integer")); + else + server_port = atoi (optarg); + break; + case 'E': + escape = 1; break; case 's': - server_send = optarg; + if (escape) + server_send = np_escaped_string(optarg); + else + asprintf(&server_send, "%s", optarg); break; case 'e': /* expect string (may be repeated) */ - EXPECT = NULL; + flags &= ~FLAG_EXACT_MATCH; if (server_expect_count == 0) - server_expect = malloc (++server_expect_count); + server_expect = malloc (sizeof (char *) * (++server_expect_count)); else - server_expect = realloc (server_expect, ++server_expect_count); + server_expect = realloc (server_expect, sizeof (char *) * (++server_expect_count)); server_expect[server_expect_count - 1] = optarg; break; case 'm': if (!is_intpos (optarg)) - usage ("Maxbytes must be a positive integer\n"); - maxbytes = atoi (optarg); + usage4 (_("Maxbytes must be a positive integer")); + else + maxbytes = strtol (optarg, NULL, 0); + break; case 'q': - server_quit = optarg; + if (escape) + server_quit = np_escaped_string(optarg); + else + asprintf(&server_quit, "%s\r\n", optarg); break; case 'r': if (!strncmp(optarg,"ok",2)) @@ -512,124 +534,124 @@ process_arguments (int argc, char **argv) else if (!strncmp(optarg,"crit",4)) econn_refuse_state = STATE_CRITICAL; else - usage ("Refuse mut be one of ok, warn, crit\n"); + usage4 (_("Refuse must be one of ok, warn, crit")); + break; + case 'M': + if (!strncmp(optarg,"ok",2)) + expect_mismatch_state = STATE_OK; + else if (!strncmp(optarg,"warn",4)) + expect_mismatch_state = STATE_WARNING; + else if (!strncmp(optarg,"crit",4)) + expect_mismatch_state = STATE_CRITICAL; + else + usage4 (_("Mismatch must be one of ok, warn, crit")); break; case 'd': if (is_intpos (optarg)) delay = atoi (optarg); else - usage ("Delay must be a positive integer\n"); + usage4 (_("Delay must be a positive integer")); break; + case 'D': /* Check SSL cert validity - days 'til certificate expiration */ +#ifdef HAVE_SSL +# ifdef USE_OPENSSL /* XXX */ + if (!is_intnonneg (optarg)) + usage2 (_("Invalid certificate expiration period"), optarg); + days_till_exp = atoi (optarg); + check_cert = TRUE; + flags |= FLAG_SSL; + break; +# endif /* USE_OPENSSL */ +#endif + /* fallthrough if we don't have ssl */ case 'S': -#ifndef HAVE_SSL - terminate (STATE_UNKNOWN, - "SSL support not available. Install OpenSSL and recompile."); +#ifdef HAVE_SSL + flags |= FLAG_SSL; +#else + die (STATE_UNKNOWN, _("Invalid option - SSL is not available")); #endif - use_ssl = TRUE; + break; + case 'A': + flags |= FLAG_MATCH_ALL; break; } } if (server_address == NULL) - usage ("You must provide a server address\n"); + usage4 (_("You must provide a server address")); + else if (server_address[0] != '/' && is_host (server_address) == FALSE) + die (STATE_CRITICAL, "%s %s - %s: %s\n", SERVICE, state_text(STATE_CRITICAL), _("Invalid hostname, address or socket"), server_address); - return OK; + return TRUE; } - - void print_help (void) { - print_revision (progname, revision); - printf ("Copyright (c) %s %s\n\t<%s>\n\n", copyright, authors, email); - printf (summary, SERVICE); - print_usage (); - printf ("\nOptions:\n"); - printf (options, DEFAULT_SOCKET_TIMEOUT); - printf (standard_options); - support (); -} + print_revision (progname, NP_VERSION); -void -print_usage (void) -{ - printf ("Usage: %s %s\n", progname, option_summary); - printf (" %s (-h|--help)\n", progname); - printf (" %s (-V|--version)\n", progname); -} - + printf ("Copyright (c) 1999 Ethan Galstad \n"); + printf (COPYRIGHT, copyright, email); + + printf (_("This plugin tests %s connections with the specified host (or unix socket).\n\n"), + SERVICE); + print_usage (); + printf (UT_HELP_VRSN); + printf (UT_EXTRA_OPTS); + + printf (UT_HOST_PORT, 'p', "none"); + + printf (UT_IPv46); + + printf (" %s\n", "-E, --escape"); + printf (" %s\n", _("Can use \\n, \\r, \\t or \\ in send or quit string. Must come before send or quit option")); + printf (" %s\n", _("Default: nothing added to send, \\r\\n added to end of quit")); + printf (" %s\n", "-s, --send=STRING"); + printf (" %s\n", _("String to send to the server")); + printf (" %s\n", "-e, --expect=STRING"); + printf (" %s %s\n", _("String to expect in server response"), _("(may be repeated)")); + printf (" %s\n", "-A, --all"); + printf (" %s\n", _("All expect strings need to occur in server response. Default is any")); + printf (" %s\n", "-q, --quit=STRING"); + printf (" %s\n", _("String to send server to initiate a clean close of the connection")); + printf (" %s\n", "-r, --refuse=ok|warn|crit"); + printf (" %s\n", _("Accept TCP refusals with states ok, warn, crit (default: crit)")); + printf (" %s\n", "-M, --mismatch=ok|warn|crit"); + printf (" %s\n", _("Accept expected string mismatches with states ok, warn, crit (default: warn)")); + printf (" %s\n", "-j, --jail"); + printf (" %s\n", _("Hide output from TCP socket")); + printf (" %s\n", "-m, --maxbytes=INTEGER"); + printf (" %s\n", _("Close connection once more than this number of bytes are received")); + printf (" %s\n", "-d, --delay=INTEGER"); + printf (" %s\n", _("Seconds to wait between sending string and polling for response")); #ifdef HAVE_SSL -int -connect_SSL (void) -{ - SSL_METHOD *meth; - - /* Initialize SSL context */ - SSLeay_add_ssl_algorithms (); - meth = SSLv2_client_method (); - SSL_load_error_strings (); - if ((ctx = SSL_CTX_new (meth)) == NULL) - { - printf ("ERROR: Cannot create SSL context.\n"); - return STATE_CRITICAL; - } - - /* Initialize alarm signal handling */ - signal (SIGALRM, socket_timeout_alarm_handler); - - /* Set socket timeout */ - alarm (socket_timeout); - - /* Save start time */ - time (&start_time); - - /* Make TCP connection */ - if (my_tcp_connect (server_address, server_port, &sd) == STATE_OK && was_refused == FALSE) - { - /* Do the SSL handshake */ - if ((ssl = SSL_new (ctx)) != NULL) - { - SSL_set_fd (ssl, sd); - if (SSL_connect (ssl) != -1) - return OK; - ERR_print_errors_fp (stderr); - } - else - { - printf ("ERROR: Cannot initiate SSL handshake.\n"); - } - SSL_free (ssl); - } - - SSL_CTX_free (ctx); - close (sd); - - return STATE_CRITICAL; -} + printf (" %s\n", "-D, --certificate=INTEGER"); + printf (" %s\n", _("Minimum number of days a certificate has to be valid.")); + printf (" %s\n", "-S, --ssl"); + printf (" %s\n", _("Use SSL for the connection.")); #endif + printf (UT_WARN_CRIT); + printf (UT_TIMEOUT, DEFAULT_SOCKET_TIMEOUT); -int -my_recv (void) -{ - int i; + printf (UT_VERBOSE); -#ifdef HAVE_SSL - if (use_ssl) { - i = SSL_read (ssl, buffer, MAXBUF - 1); - } - else { -#endif - i = read (sd, buffer, MAXBUF - 1); -#ifdef HAVE_SSL - } -#endif + printf (UT_SUPPORT); +} - return i; + +void +print_usage (void) +{ + printf ("%s\n", _("Usage:")); + printf ("%s -H host -p port [-w ] [-c ] [-s ]\n",progname); + printf ("[-e ] [-q ][-m ] [-d ]\n"); + printf ("[-t ] [-r ] [-M ] [-v] [-4|-6] [-j]\n"); + printf ("[-D ] [-S ] [-E]\n"); } +