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Diffstat (limited to 'plugins/netutils.h')
| -rw-r--r-- | plugins/netutils.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/plugins/netutils.h b/plugins/netutils.h new file mode 100644 index 0000000..ea653e7 --- /dev/null +++ b/plugins/netutils.h @@ -0,0 +1,120 @@ +/***************************************************************************** +* +* Monitoring Plugins net utilities include file +* +* License: GPL +* Copyright (c) 1999 Ethan Galstad (nagios@nagios.org) +* Copyright (c) 2003-2007 Monitoring Plugins Development Team +* +* Description: +* +* This file contains common include files and function definitions +* used in many of the plugins. +* +* +* 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 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, see <http://www.gnu.org/licenses/>. +* +* +*****************************************************************************/ + +#ifndef _NETUTILS_H_ +#define _NETUTILS_H_ + +#include "common.h" +#include "utils.h" +#include <netinet/in.h> +#include <arpa/inet.h> +#include <netdb.h> + +#ifdef HAVE_SYS_UN_H +# include <sys/un.h> +# ifndef UNIX_PATH_MAX + /* linux uses this, on sun it's hard-coded at 108 without a define, on BSD at 104 */ +# define UNIX_PATH_MAX 104 +# endif /* UNIX_PATH_MAX */ +#endif /* HAVE_SYS_UN_H */ + +#ifndef HOST_MAX_BYTES +# define HOST_MAX_BYTES 255 +#endif + +/* process_request and wrapper macros */ +#define process_tcp_request(addr, port, sbuf, rbuf, rsize) \ + process_request(addr, port, IPPROTO_TCP, sbuf, rbuf, rsize) +#define process_udp_request(addr, port, sbuf, rbuf, rsize) \ + process_request(addr, port, IPPROTO_UDP, sbuf, rbuf, rsize) +int process_tcp_request2 (const char *address, int port, + const char *sbuffer, char *rbuffer, int rsize); +int process_request (const char *address, int port, int proto, + const char *sbuffer, char *rbuffer, int rsize); + +/* my_connect and wrapper macros */ +#define my_tcp_connect(addr, port, s) np_net_connect(addr, port, s, IPPROTO_TCP) +#define my_udp_connect(addr, port, s) np_net_connect(addr, port, s, IPPROTO_UDP) +int np_net_connect(const char *address, int port, int *sd, int proto); + +/* send_request and wrapper macros */ +#define send_tcp_request(s, sbuf, rbuf, rsize) \ + send_request(s, IPPROTO_TCP, sbuf, rbuf, rsize) +#define send_udp_request(s, sbuf, rbuf, rsize) \ + send_request(s, IPPROTO_UDP, sbuf, rbuf, rsize) +int send_request (int sd, int proto, const char *send_buffer, char *recv_buffer, int recv_size); + + +/* "is_*" wrapper macros and functions */ +int is_host (const char *); +int is_addr (const char *); +int dns_lookup (const char *, struct sockaddr_storage *, int); +void host_or_die(const char *str); +#define resolve_host_or_addr(addr, family) dns_lookup(addr, NULL, family) +#define is_inet_addr(addr) resolve_host_or_addr(addr, AF_INET) +#ifdef USE_IPV6 +# define is_inet6_addr(addr) resolve_host_or_addr(addr, AF_INET6) +# define is_hostname(addr) resolve_host_or_addr(addr, address_family) +#else +# define is_hostname(addr) resolve_host_or_addr(addr, AF_INET) +#endif + +extern unsigned int socket_timeout; +extern unsigned int socket_timeout_state; +extern int econn_refuse_state; +extern int was_refused; +extern int address_family; + +void socket_timeout_alarm_handler (int) __attribute__((noreturn)); + +/* SSL-Related functionality */ +#ifdef HAVE_SSL +# define MP_SSLv2 1 +# define MP_SSLv3 2 +# define MP_TLSv1 3 +# define MP_TLSv1_1 4 +# define MP_TLSv1_2 5 +# define MP_SSLv2_OR_NEWER 6 +# define MP_SSLv3_OR_NEWER 7 +# define MP_TLSv1_OR_NEWER 8 +# define MP_TLSv1_1_OR_NEWER 9 +# define MP_TLSv1_2_OR_NEWER 10 +/* maybe this could be merged with the above np_net_connect, via some flags */ +int np_net_ssl_init(int sd); +int np_net_ssl_init_with_hostname(int sd, char *host_name); +int np_net_ssl_init_with_hostname_and_version(int sd, char *host_name, int version); +int np_net_ssl_init_with_hostname_version_and_cert(int sd, char *host_name, int version, char *cert, char *privkey); +void np_net_ssl_cleanup(); +int np_net_ssl_write(const void *buf, int num); +int np_net_ssl_read(void *buf, int num); +int np_net_ssl_check_cert(int days_till_exp_warn, int days_till_exp_crit); +#endif /* HAVE_SSL */ + +#endif /* _NETUTILS_H_ */ |