120 lines
4.3 KiB
C
120 lines
4.3 KiB
C
/*****************************************************************************
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*
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* Monitoring Plugins net utilities include file
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*
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* License: GPL
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* Copyright (c) 1999 Ethan Galstad (nagios@nagios.org)
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* Copyright (c) 2003-2007 Monitoring Plugins Development Team
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*
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* Description:
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*
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* This file contains common include files and function definitions
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* used in many of the plugins.
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*
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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*****************************************************************************/
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#ifndef _NETUTILS_H_
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#define _NETUTILS_H_
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#include "common.h"
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#include "utils.h"
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#ifdef HAVE_SYS_UN_H
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# include <sys/un.h>
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# ifndef UNIX_PATH_MAX
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/* linux uses this, on sun it's hard-coded at 108 without a define, on BSD at 104 */
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# define UNIX_PATH_MAX 104
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# endif /* UNIX_PATH_MAX */
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#endif /* HAVE_SYS_UN_H */
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#ifndef HOST_MAX_BYTES
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# define HOST_MAX_BYTES 255
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#endif
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/* process_request and wrapper macros */
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#define process_tcp_request(addr, port, sbuf, rbuf, rsize) \
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process_request(addr, port, IPPROTO_TCP, sbuf, rbuf, rsize)
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#define process_udp_request(addr, port, sbuf, rbuf, rsize) \
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process_request(addr, port, IPPROTO_UDP, sbuf, rbuf, rsize)
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int process_tcp_request2 (const char *address, int port,
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const char *sbuffer, char *rbuffer, int rsize);
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int process_request (const char *address, int port, int proto,
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const char *sbuffer, char *rbuffer, int rsize);
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/* my_connect and wrapper macros */
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#define my_tcp_connect(addr, port, s) np_net_connect(addr, port, s, IPPROTO_TCP)
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#define my_udp_connect(addr, port, s) np_net_connect(addr, port, s, IPPROTO_UDP)
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int np_net_connect(const char *address, int port, int *sd, int proto);
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/* send_request and wrapper macros */
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#define send_tcp_request(s, sbuf, rbuf, rsize) \
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send_request(s, IPPROTO_TCP, sbuf, rbuf, rsize)
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#define send_udp_request(s, sbuf, rbuf, rsize) \
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send_request(s, IPPROTO_UDP, sbuf, rbuf, rsize)
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int send_request (int sd, int proto, const char *send_buffer, char *recv_buffer, int recv_size);
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/* "is_*" wrapper macros and functions */
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bool is_host (const char *);
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bool is_addr (const char *);
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int dns_lookup (const char *, struct sockaddr_storage *, int);
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void host_or_die(const char *str);
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#define resolve_host_or_addr(addr, family) dns_lookup(addr, NULL, family)
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#define is_inet_addr(addr) resolve_host_or_addr(addr, AF_INET)
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#ifdef USE_IPV6
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# define is_inet6_addr(addr) resolve_host_or_addr(addr, AF_INET6)
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# define is_hostname(addr) resolve_host_or_addr(addr, address_family)
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#else
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# define is_hostname(addr) resolve_host_or_addr(addr, AF_INET)
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#endif
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extern unsigned int socket_timeout;
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extern unsigned int socket_timeout_state;
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extern int econn_refuse_state;
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extern bool was_refused;
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extern int address_family;
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void socket_timeout_alarm_handler (int) __attribute__((noreturn));
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/* SSL-Related functionality */
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#ifdef HAVE_SSL
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# define MP_SSLv2 1
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# define MP_SSLv3 2
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# define MP_TLSv1 3
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# define MP_TLSv1_1 4
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# define MP_TLSv1_2 5
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# define MP_SSLv2_OR_NEWER 6
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# define MP_SSLv3_OR_NEWER 7
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# define MP_TLSv1_OR_NEWER 8
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# define MP_TLSv1_1_OR_NEWER 9
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# define MP_TLSv1_2_OR_NEWER 10
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/* maybe this could be merged with the above np_net_connect, via some flags */
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int np_net_ssl_init(int sd);
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int np_net_ssl_init_with_hostname(int sd, char *host_name);
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int np_net_ssl_init_with_hostname_and_version(int sd, char *host_name, int version);
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int np_net_ssl_init_with_hostname_version_and_cert(int sd, char *host_name, int version, char *cert, char *privkey);
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void np_net_ssl_cleanup();
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int np_net_ssl_write(const void *buf, int num);
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int np_net_ssl_read(void *buf, int num);
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int np_net_ssl_check_cert(int days_till_exp_warn, int days_till_exp_crit);
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#endif /* HAVE_SSL */
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#endif /* _NETUTILS_H_ */
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