utils_tcp.c

/*****************************************************************************
* 
* Library for check_tcp
* 
* License: GPL
* Copyright (c) 1999-2014 Nagios Plugins Development Team
* 
* Description:
* 
* This file contains utilities for check_tcp. These are tested by libtap
* 
* 
* 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/>.
* 
* 
*****************************************************************************/

#include "common.h"
#include "utils_tcp.h"

#define VERBOSE(message)                        \
	do {                                    \
		if (flags & NP_MATCH_VERBOSE)   \
			puts(message);          \
	} while (0)

enum np_match_result
np_expect_match(char *status, char **server_expect, int expect_count, int flags)
{
	int i, match = 0, partial = 0;

	for (i = 0; i < expect_count; i++) {
		if (flags & NP_MATCH_VERBOSE)
			printf("looking for [%s] %s [%s]\n", server_expect[i],
			    (flags & NP_MATCH_EXACT) ?
			    "in beginning of" : "anywhere in",
			    status);

		if (flags & NP_MATCH_EXACT) {
			if (strncmp(status, server_expect[i], strlen(server_expect[i])) == 0) {
				VERBOSE("found it");
				match++;
				continue;
			} else if (strncmp(status, server_expect[i], strlen(status)) == 0) {
				VERBOSE("found a substring");
				partial++;
				continue;
			}
		} else if (strstr(status, server_expect[i]) != NULL) {
				VERBOSE("found it");
				match++;
				continue;
		}
		VERBOSE("couldn't find it");
	}

	if ((flags & NP_MATCH_ALL && match == expect_count) ||
	    (!(flags & NP_MATCH_ALL) && match >= 1))
		return NP_MATCH_SUCCESS;
	else if (partial > 0 || !(flags & NP_MATCH_EXACT))
		return NP_MATCH_RETRY;
	else
		return NP_MATCH_FAILURE;
}