228 lines
8.8 KiB
C
228 lines
8.8 KiB
C
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/**************************************************************************
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*
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* JSONUTILS.H - Utility information for Nagios CGI for that return
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* JSON-formatted data
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*
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* Copyright (c) 2013 Nagios Enterprises, LLC
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* Last Modified: 04-13-2013
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*
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* License:
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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 version 2 as
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* published by the Free Software Foundation.
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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, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*************************************************************************/
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#ifndef NAGIOS_JSONUTILS_H_INCLUDED
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#define NAGIOS_JSONUTILS_H_INCLUDED
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/* JSON object definitions */
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#define JSON_TYPE_INVALID 0
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#define JSON_TYPE_OBJECT 1
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#define JSON_TYPE_ARRAY 2
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#define JSON_TYPE_INTEGER 3
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#define JSON_TYPE_REAL 4
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#define JSON_TYPE_TIME_T 5
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#define JSON_TYPE_STRING 6
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#define JSON_TYPE_BOOLEAN 7
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#define JSON_TYPE_DURATION 8
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struct json_object_struct;
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typedef struct json_object_member_struct {
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char *key;
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unsigned type;
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union {
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long long integer;
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unsigned long long unsigned_integer;
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time_t time;
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double real;
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char * string;
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unsigned boolean;
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struct json_object_struct *object;
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} value;
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} json_object_member;
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typedef struct json_object_struct {
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unsigned member_count;
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json_object_member **members;
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} json_object;
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typedef json_object json_array;
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/* Mapping from CGI query string option to value */
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typedef struct string_value_mapping_struct {
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char *string; /* String to map from */
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unsigned value; /* Value to map to */
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char *description; /* Description of the meaning of the
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string/value */
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} string_value_mapping;
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typedef struct option_help_struct {
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const char * name; /* name used in query */
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const char * label; /* short label for name */
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const char * type; /* option type */
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/* If the type is of the form nagios:<cgibase>/<objtype>, value values
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for this option will be obtained by sending the query
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'http://<whatever>/<cgibase>.cgi?objecttype=<objtype>' */
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const char * required[25]; /* optiontypes required
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for */
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const char * optional[25]; /* optiontypes optional
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for */
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const char * depends_on; /* valid values dependent on
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other option */
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const char * description; /* longer description */
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const string_value_mapping * valid_values; /* list of valid values */
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} option_help;
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/* String escaping structures */
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typedef struct json_escape_pair_struct {
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const wchar_t *from;
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const wchar_t *to;
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} json_escape_pair;
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typedef struct json_escape_struct {
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const int count;
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const json_escape_pair *pairs;
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} json_escape;
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/* Output Format Version */
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#define OUTPUT_FORMAT_VERSION 0
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/* Result Types */
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#define RESULT_SUCCESS 0
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#define RESULT_MEMORY_ALLOCATION_ERROR 1
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#define RESULT_FILE_OPEN_READ_ERROR 2
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#define RESULT_OPTION_INVALID 3
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#define RESULT_OPTION_MISSING 4
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#define RESULT_OPTION_VALUE_MISSING 5
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#define RESULT_OPTION_VALUE_INVALID 6
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#define RESULT_OPTION_IGNORED 7
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/* Boolean Values - Used when selecting true, false, or both */
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#define BOOLEAN_TRUE 1
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#define BOOLEAN_FALSE 2
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#define BOOLEAN_EITHER (BOOLEAN_TRUE | BOOLEAN_FALSE)
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/* Formatting Options */
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#define JSON_FORMAT_WHITESPACE (1<<0)
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#define JSON_FORMAT_ENUMERATE (1<<1)
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#define JSON_FORMAT_BITMASK (1<<2)
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#define JSON_FORMAT_DURATION (1<<3)
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#if 0
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#define JSON_FORMAT_DATETIME (1<<3)
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#define JSON_FORMAT_DATE (1<<4)
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#define JSON_FORMAT_TIME (1<<5)
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#endif
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/* Possible Query Statuses */
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#define QUERY_STATUS_ALPHA 0
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#define QUERY_STATUS_BETA 1
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#define QUERY_STATUS_RELEASED 2
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#define QUERY_STATUS_DEPRECATED 3
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extern const string_value_mapping svm_format_options[];
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extern const string_value_mapping svm_host_statuses[];
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extern const string_value_mapping svm_host_states[];
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extern const string_value_mapping svm_service_statuses[];
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extern const string_value_mapping svm_service_states[];
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extern const string_value_mapping svm_check_options[];
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extern const string_value_mapping svm_host_check_types[];
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extern const string_value_mapping svm_service_check_types[];
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extern const string_value_mapping svm_state_types[];
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extern const string_value_mapping svm_acknowledgement_types[];
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extern const string_value_mapping svm_comment_types[];
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extern const string_value_mapping svm_comment_entry_types[];
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extern const string_value_mapping svm_downtime_types[];
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extern const string_value_mapping parent_host_extras[];
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extern const string_value_mapping child_host_extras[];
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extern const string_value_mapping parent_service_extras[];
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extern const string_value_mapping child_service_extras[];
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#ifdef JSON_NAGIOS_4X
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extern const string_value_mapping svm_option_types[];
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#endif
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extern const char *dayofweek[];
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extern const char *month[];
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extern json_object *json_new_object(void);
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extern void json_free_object(json_object *, int);
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extern json_array *json_new_array(void);
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extern void json_free_member(json_object_member *, int);
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extern void json_object_append_object(json_object *, char *, json_object *);
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extern void json_object_append_array(json_object *, char *, json_array *);
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extern void json_object_append_integer(json_object *, char *, int);
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extern void json_object_append_real(json_object *, char *, double);
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extern void json_object_append_time(json_object *, char *, unsigned long);
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extern void json_object_append_time_t(json_object *, char *, time_t);
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extern void json_set_time_t(json_object_member *, time_t);
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extern void json_object_append_string(json_object *, char *,
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const json_escape *, char *, ...);
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extern void json_object_append_boolean(json_object *, char *, int);
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extern void json_array_append_object(json_array *, json_object *);
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extern void json_array_append_array(json_array *, json_array *);
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extern void json_array_append_integer(json_array *, int);
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extern void json_array_append_real(json_array *, double);
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extern void json_array_append_time(json_array *, unsigned long);
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extern void json_array_append_time_t(json_array *, time_t);
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extern void json_array_append_string(json_array *, const json_escape *,
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char *, ...);
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extern void json_array_append_boolean(json_array *, int);
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extern void json_object_append_duration(json_object *, char *, unsigned long);
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extern void json_array_append_duration(json_object *, unsigned long);
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extern json_object_member *json_get_object_member(json_object *, char *);
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extern json_object_member *json_get_array_member(json_object *, char *);
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extern void json_object_print(json_object *, int, int, char *, unsigned);
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extern void json_array_print(json_array *, int, int, char *, unsigned);
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extern void json_member_print(json_object_member *, int, int, char *, unsigned);
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extern json_object *json_result(time_t, char *, char *, int, time_t, authdata *,
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int, char *, ...);
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extern json_object *json_help(option_help *);
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extern int passes_start_and_count_limits(int, int, int, int);
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extern void indentf(int, int, char *, ...);
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extern void json_string(int, int, char *, char *);
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extern void json_boolean(int, int, char *, int);
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extern void json_int(int, int, char *, int);
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extern void json_unsigned(int, int, char *, unsigned long long);
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extern void json_float(int, int, char *, double);
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extern void json_time(int, int, char *, unsigned long);
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extern void json_time_t(int, int, char *, time_t, char *);
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extern void json_duration(int, int, char *, unsigned long, int);
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extern void json_enumeration(json_object *, unsigned, char *, int,
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const string_value_mapping *);
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extern void json_bitmask(json_object *, unsigned, char *, int,
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const string_value_mapping *);
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extern int parse_bitmask_cgivar(char *, char *, int, json_object *, time_t,
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authdata *, char *, char *, const string_value_mapping *, unsigned *);
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extern int parse_enumeration_cgivar(char *, char *, int, json_object *,
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time_t, authdata *, char *, char *, const string_value_mapping *,
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int *);
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extern int parse_string_cgivar(char *, char *, int, json_object *, time_t,
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authdata *, char *, char *, char **);
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extern int parse_time_cgivar(char *, char *, int, json_object *, time_t,
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authdata *, char *, char *, time_t *);
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extern int parse_boolean_cgivar(char *, char *, int, json_object *, time_t,
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authdata *, char *, char *, int *);
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extern int parse_int_cgivar(char *, char *, int, json_object *, time_t,
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authdata *, char *, char *, int *);
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extern int get_query_status(const int[][2], int);
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extern char *svm_get_string_from_value(int, const string_value_mapping *);
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extern char *svm_get_description_from_value(int, const string_value_mapping *);
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extern time_t compile_time(const char *, const char *);
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extern char *json_escape_string(const char *, const json_escape *);
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#endif
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