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276da39af9
Approved by: roberto, delphij Security: VuXML: 0d0f3050-1f69-11e5-9ba9-d050996490d0 Security: http://bugs.ntp.org/show_bug.cgi?id=2853 Security: https://www.kb.cert.org/vuls/id/668167 Security: http://support.ntp.org/bin/view/Main/SecurityNotice#June_2015_NTP_Security_Vulnerabi
76 lines
1.6 KiB
C
76 lines
1.6 KiB
C
#ifndef __JSMN_H_
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#define __JSMN_H_
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* JSON type identifier. Basic types are:
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* o Object
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* o Array
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* o String
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* o Other primitive: number, boolean (true/false) or null
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*/
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typedef enum {
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JSMN_PRIMITIVE = 0,
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JSMN_OBJECT = 1,
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JSMN_ARRAY = 2,
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JSMN_STRING = 3
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} jsmntype_t;
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typedef enum {
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/* Not enough tokens were provided */
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JSMN_ERROR_NOMEM = -1,
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/* Invalid character inside JSON string */
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JSMN_ERROR_INVAL = -2,
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/* The string is not a full JSON packet, more bytes expected */
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JSMN_ERROR_PART = -3
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} jsmnerr_t;
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/**
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* JSON token description.
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* @param type type (object, array, string etc.)
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* @param start start position in JSON data string
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* @param end end position in JSON data string
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*/
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typedef struct {
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jsmntype_t type;
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int start;
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int end;
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int size;
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#ifdef JSMN_PARENT_LINKS
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int parent;
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#endif
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} jsmntok_t;
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/**
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* JSON parser. Contains an array of token blocks available. Also stores
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* the string being parsed now and current position in that string
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*/
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typedef struct {
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unsigned int pos; /* offset in the JSON string */
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unsigned int toknext; /* next token to allocate */
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int toksuper; /* superior token node, e.g parent object or array */
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} jsmn_parser;
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/**
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* Create JSON parser over an array of tokens
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*/
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void jsmn_init(jsmn_parser *parser);
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/**
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* Run JSON parser. It parses a JSON data string into and array of tokens, each describing
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* a single JSON object.
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*/
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jsmnerr_t jsmn_parse(jsmn_parser *parser, const char *js, size_t len,
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jsmntok_t *tokens, unsigned int num_tokens);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __JSMN_H_ */
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