#if ! defined(_GNU_SOURCE)

# define _GNU_SOURCE 1 /* syscall prototype */

#endif

#ifdef _WIN32

# define _CRT_RAND_S

#endif

#include <stddef.h>

#include <string.h> /* memset(), memcpy() */

#include <assert.h>

#include <limits.h> /* UINT_MAX */

#include <stdio.h> /* fprintf */

#include <stdlib.h> /* getenv, rand_s */

#define EXPAT_POCO 1

#if defined(EXPAT_POCO)

# include "Poco/RandomStream.h"

# include "Poco/BinaryReader.h"

#elif defined(_WIN32)

# define getpid GetCurrentProcessId

#else

# include <sys/time.h> /* gettimeofday() */

# include <sys/types.h> /* getpid() */

# include <unistd.h> /* getpid() */

# include <fcntl.h> /* O_RDONLY */

# include <errno.h>

#endif

#define XML_BUILDING_EXPAT 1

#ifdef EXPAT_WIN32

# include "winconfig.h"

#elif defined(HAVE_EXPAT_CONFIG_H)

# include "expat_config.h"

#endif /* ndef EXPAT_WIN32 */

#include "ascii.h"

#include "Poco/XML/expat.h"

#include "siphash.h"

#if defined(HAVE_GETRANDOM) || defined(HAVE_SYSCALL_GETRANDOM)

# if defined(HAVE_GETRANDOM)

# include <sys/random.h> /* getrandom */

# else

# include <unistd.h> /* syscall */

# include <sys/syscall.h> /* SYS_getrandom */

# endif

# if ! defined(GRND_NONBLOCK)

# define GRND_NONBLOCK 0x0001

# endif /* defined(GRND_NONBLOCK) */

#endif /* defined(HAVE_GETRANDOM) || defined(HAVE_SYSCALL_GETRANDOM) */

#if defined(HAVE_LIBBSD) \

&& (defined(HAVE_ARC4RANDOM_BUF) || defined(HAVE_ARC4RANDOM))

# include <bsd/stdlib.h>

#endif

#if defined(_WIN32) && ! defined(LOAD_LIBRARY_SEARCH_SYSTEM32)

# define LOAD_LIBRARY_SEARCH_SYSTEM32 0x00000800

#endif

#if ! defined(HAVE_GETRANDOM) && ! defined(HAVE_SYSCALL_GETRANDOM) \

&& ! defined(HAVE_ARC4RANDOM_BUF) && ! defined(HAVE_ARC4RANDOM) \

&& ! defined(XML_DEV_URANDOM) && ! defined(_WIN32) \

&& ! defined(XML_POOR_ENTROPY) && ! defined(EXPAT_POCO)

# error You do not have support for any sources of high quality entropy \

enabled. For end user security, that is probably not what you want. \

\

Your options include: \

* Linux + glibc >=2.25 (getrandom): HAVE_GETRANDOM, \

* Linux + glibc <2.25 (syscall SYS_getrandom): HAVE_SYSCALL_GETRANDOM, \

* BSD / macOS >=10.7 (arc4random_buf): HAVE_ARC4RANDOM_BUF, \

* BSD / macOS <10.7 (arc4random): HAVE_ARC4RANDOM, \

* libbsd (arc4random_buf): HAVE_ARC4RANDOM_BUF + HAVE_LIBBSD, \

* libbsd (arc4random): HAVE_ARC4RANDOM + HAVE_LIBBSD, \

* Linux / BSD / macOS (/dev/urandom): XML_DEV_URANDOM \

* Windows (rand_s): _WIN32. \

\

If insist on not using any of these, bypass this error by defining \

XML_POOR_ENTROPY; you have been warned. \

\

If you have reasons to patch this detection code away or need changes \

to the build system, please open a bug. Thank you!

#endif

#ifdef XML_UNICODE

# define XML_ENCODE_MAX XML_UTF16_ENCODE_MAX

# define XmlConvert XmlUtf16Convert

# define XmlGetInternalEncoding XmlGetUtf16InternalEncoding

# define XmlGetInternalEncodingNS XmlGetUtf16InternalEncodingNS

# define XmlEncode XmlUtf16Encode

# define MUST_CONVERT(enc, s) \

(! (enc)->isUtf16 || (((char *)(s) - (char *)NULL) & 1))

typedef unsigned short ICHAR;

#else

# define XML_ENCODE_MAX XML_UTF8_ENCODE_MAX

# define XmlConvert XmlUtf8Convert

# define XmlGetInternalEncoding XmlGetUtf8InternalEncoding

# define XmlGetInternalEncodingNS XmlGetUtf8InternalEncodingNS

# define XmlEncode XmlUtf8Encode

# define MUST_CONVERT(enc, s) (! (enc)->isUtf8)

typedef char ICHAR;

#endif

#ifndef XML_NS

# define XmlInitEncodingNS XmlInitEncoding

# define XmlInitUnknownEncodingNS XmlInitUnknownEncoding

# undef XmlGetInternalEncodingNS

# define XmlGetInternalEncodingNS XmlGetInternalEncoding

# define XmlParseXmlDeclNS XmlParseXmlDecl

#endif

#ifdef XML_UNICODE

# ifdef XML_UNICODE_WCHAR_T

# define XML_T(x) (const wchar_t) x

# define XML_L(x) L##x

# else

# define XML_T(x) (const unsigned short)x

# define XML_L(x) x

# endif

#else

# define XML_T(x) x

# define XML_L(x) x

#endif

#define ROUND_UP(n, sz) (((n) + ((sz)-1)) & ~((sz)-1))

#define EXPAT_SAFE_PTR_DIFF(p, q) (((p) && (q)) ? ((p) - (q)) : 0)

#include "internal.h"

#include "xmltok.h"

#include "xmlrole.h"

typedef const XML_Char *KEY;

typedef struct {

KEY name;

} NAMED;

typedef struct {

NAMED **v;

unsigned char power;

size_t size;

size_t used;

const XML_Memory_Handling_Suite *mem;

} HASH_TABLE;

static size_t keylen(KEY s);

static void copy_salt_to_sipkey(XML_Parser parser, struct sipkey *key);

#define SECOND_HASH(hash, mask, power) \

((((hash) & ~(mask)) >> ((power)-1)) & ((mask) >> 2))

#define PROBE_STEP(hash, mask, power) \

((unsigned char)((SECOND_HASH(hash, mask, power)) | 1))

typedef struct {

NAMED **p;

NAMED **end;

} HASH_TABLE_ITER;

#define INIT_TAG_BUF_SIZE 32 /* must be a multiple of sizeof(XML_Char) */

#define INIT_DATA_BUF_SIZE 1024

#define INIT_ATTS_SIZE 16

#define INIT_ATTS_VERSION 0xFFFFFFFF

#define INIT_BLOCK_SIZE 1024

#define INIT_BUFFER_SIZE 1024

#define EXPAND_SPARE 24

typedef struct binding {

} BINDING;

typedef struct prefix {

const XML_Char *name;

BINDING *binding;

} PREFIX;

typedef struct {

const XML_Char *str;

const XML_Char *localPart;

const XML_Char *prefix;

int strLen;

int uriLen;

int prefixLen;

} TAG_NAME;

typedef struct tag {

} TAG;

typedef struct {

const XML_Char *name;

const XML_Char *textPtr;

int textLen; /* length in XML_Chars */

int processed; /* # of processed bytes - when suspended */

const XML_Char *systemId;

const XML_Char *base;

const XML_Char *publicId;

const XML_Char *notation;

XML_Bool open;

XML_Bool is_param;

XML_Bool is_internal; /* true if declared in internal subset outside PE */

} ENTITY;

typedef struct {

enum XML_Content_Type type;

enum XML_Content_Quant quant;

const XML_Char *name;

int firstchild;

int lastchild;

int childcnt;

int nextsib;

} CONTENT_SCAFFOLD;

#define INIT_SCAFFOLD_ELEMENTS 32

typedef struct block {

} BLOCK;

typedef struct {

BLOCK *blocks;

BLOCK *freeBlocks;

const XML_Char *end;

XML_Char *ptr;

XML_Char *start;

const XML_Memory_Handling_Suite *mem;

} STRING_POOL;

typedef struct attribute_id {

} ATTRIBUTE_ID;

typedef struct {

const ATTRIBUTE_ID *id;

XML_Bool isCdata;

const XML_Char *value;

} DEFAULT_ATTRIBUTE;

typedef struct {

unsigned long version;

unsigned long hash;

const XML_Char *uriName;

} NS_ATT;

typedef struct {

const XML_Char *name;

PREFIX *prefix;

const ATTRIBUTE_ID *idAtt;

int nDefaultAtts;

int allocDefaultAtts;

DEFAULT_ATTRIBUTE *defaultAtts;

} ELEMENT_TYPE;

typedef struct {

HASH_TABLE generalEntities;

HASH_TABLE elementTypes;

HASH_TABLE attributeIds;

HASH_TABLE prefixes;

STRING_POOL pool;

STRING_POOL entityValuePool;

/* false once a parameter entity reference has been skipped */

XML_Bool keepProcessing;

/* true once an internal or external PE reference has been encountered;

XML_Bool hasParamEntityRefs;

XML_Bool standalone;

#ifdef XML_DTD

/* indicates if external PE has been read */

XML_Bool paramEntityRead;

HASH_TABLE paramEntities;

#endif /* XML_DTD */

PREFIX defaultPrefix;

/* === scaffolding for building content model === */

XML_Bool in_eldecl;

CONTENT_SCAFFOLD *scaffold;

unsigned contentStringLen;

unsigned scaffSize;

unsigned scaffCount;

int scaffLevel;

int *scaffIndex;

} DTD;

typedef struct open_internal_entity {

} OPEN_INTERNAL_ENTITY;

typedef enum XML_Error PTRCALL Processor(XML_Parser parser, const char *start,

const char *end, const char **endPtr);

static Processor prologProcessor;

static Processor prologInitProcessor;

static Processor contentProcessor;

static Processor cdataSectionProcessor;

#ifdef XML_DTD

static Processor ignoreSectionProcessor;

static Processor externalParEntProcessor;

static Processor externalParEntInitProcessor;

static Processor entityValueProcessor;

static Processor entityValueInitProcessor;

#endif /* XML_DTD */

static Processor epilogProcessor;

static Processor errorProcessor;

static Processor externalEntityInitProcessor;

static Processor externalEntityInitProcessor2;

static Processor externalEntityInitProcessor3;

static Processor externalEntityContentProcessor;

static Processor internalEntityProcessor;

static enum XML_Error handleUnknownEncoding(XML_Parser parser,

const XML_Char *encodingName);

static enum XML_Error processXmlDecl(XML_Parser parser, int isGeneralTextEntity,

const char *s, const char *next);

static enum XML_Error initializeEncoding(XML_Parser parser);

static enum XML_Error doProlog(XML_Parser parser, const ENCODING *enc,

const char *s, const char *end, int tok,

const char *next, const char **nextPtr,

XML_Bool haveMore, XML_Bool allowClosingDoctype);

static enum XML_Error processInternalEntity(XML_Parser parser, ENTITY *entity,

XML_Bool betweenDecl);

static enum XML_Error doContent(XML_Parser parser, int startTagLevel,

const ENCODING *enc, const char *start,

const char *end, const char **endPtr,

XML_Bool haveMore);

static enum XML_Error doCdataSection(XML_Parser parser, const ENCODING *,

const char **startPtr, const char *end,

const char **nextPtr, XML_Bool haveMore);

#ifdef XML_DTD

static enum XML_Error doIgnoreSection(XML_Parser parser, const ENCODING *,

const char **startPtr, const char *end,

const char **nextPtr, XML_Bool haveMore);

#endif /* XML_DTD */

static void freeBindings(XML_Parser parser, BINDING *bindings);

static enum XML_Error storeAtts(XML_Parser parser, const ENCODING *,

const char *s, TAG_NAME *tagNamePtr,

BINDING **bindingsPtr);

static enum XML_Error addBinding(XML_Parser parser, PREFIX *prefix,

const ATTRIBUTE_ID *attId, const XML_Char *uri,

BINDING **bindingsPtr);

static int defineAttribute(ELEMENT_TYPE *type, ATTRIBUTE_ID *, XML_Bool isCdata,

XML_Bool isId, const XML_Char *dfltValue,

XML_Parser parser);

static enum XML_Error storeAttributeValue(XML_Parser parser, const ENCODING *,

XML_Bool isCdata, const char *,

const char *, STRING_POOL *);

static enum XML_Error appendAttributeValue(XML_Parser parser, const ENCODING *,

XML_Bool isCdata, const char *,

const char *, STRING_POOL *);

static ATTRIBUTE_ID *getAttributeId(XML_Parser parser, const ENCODING *enc,

const char *start, const char *end);

static int setElementTypePrefix(XML_Parser parser, ELEMENT_TYPE *);

static enum XML_Error storeEntityValue(XML_Parser parser, const ENCODING *enc,

const char *start, const char *end);

static int reportProcessingInstruction(XML_Parser parser, const ENCODING *enc,

const char *start, const char *end);

static int reportComment(XML_Parser parser, const ENCODING *enc,

const char *start, const char *end);

static void reportDefault(XML_Parser parser, const ENCODING *enc,

const char *start, const char *end);

static const XML_Char *getContext(XML_Parser parser);

static XML_Bool setContext(XML_Parser parser, const XML_Char *context);

static void FASTCALL normalizePublicId(XML_Char *s);

static DTD *dtdCreate(const XML_Memory_Handling_Suite *ms);

static void dtdReset(DTD *p, const XML_Memory_Handling_Suite *ms);

static void dtdDestroy(DTD *p, XML_Bool isDocEntity,

const XML_Memory_Handling_Suite *ms);

static int dtdCopy(XML_Parser oldParser, DTD *newDtd, const DTD *oldDtd,

const XML_Memory_Handling_Suite *ms);

static int copyEntityTable(XML_Parser oldParser, HASH_TABLE *, STRING_POOL *,

const HASH_TABLE *);

static NAMED *lookup(XML_Parser parser, HASH_TABLE *table, KEY name,

size_t createSize);

static void FASTCALL hashTableInit(HASH_TABLE *,

const XML_Memory_Handling_Suite *ms);

static void FASTCALL hashTableClear(HASH_TABLE *);

static void FASTCALL hashTableDestroy(HASH_TABLE *);

static void FASTCALL hashTableIterInit(HASH_TABLE_ITER *, const HASH_TABLE *);

static NAMED *FASTCALL hashTableIterNext(HASH_TABLE_ITER *);

static void FASTCALL poolInit(STRING_POOL *,

const XML_Memory_Handling_Suite *ms);

static void FASTCALL poolClear(STRING_POOL *);

static void FASTCALL poolDestroy(STRING_POOL *);

static XML_Char *poolAppend(STRING_POOL *pool, const ENCODING *enc,

const char *ptr, const char *end);

static XML_Char *poolStoreString(STRING_POOL *pool, const ENCODING *enc,

const char *ptr, const char *end);

static XML_Bool FASTCALL poolGrow(STRING_POOL *pool);

static const XML_Char *FASTCALL poolCopyString(STRING_POOL *pool,

const XML_Char *s);

static const XML_Char *poolCopyStringN(STRING_POOL *pool, const XML_Char *s,

int n);

static const XML_Char *FASTCALL poolAppendString(STRING_POOL *pool,

const XML_Char *s);

static int FASTCALL nextScaffoldPart(XML_Parser parser);

static XML_Content *build_model(XML_Parser parser);

static ELEMENT_TYPE *getElementType(XML_Parser parser, const ENCODING *enc,

const char *ptr, const char *end);

static XML_Char *copyString(const XML_Char *s,

const XML_Memory_Handling_Suite *memsuite);

static unsigned long generate_hash_secret_salt(XML_Parser parser);

static XML_Bool startParsing(XML_Parser parser);

static XML_Parser parserCreate(const XML_Char *encodingName,

const XML_Memory_Handling_Suite *memsuite,

const XML_Char *nameSep, DTD *dtd);

static void parserInit(XML_Parser parser, const XML_Char *encodingName);

#define poolStart(pool) ((pool)->start)

#define poolEnd(pool) ((pool)->ptr)

#define poolLength(pool) ((pool)->ptr - (pool)->start)

#define poolChop(pool) ((void)--(pool->ptr))

#define poolLastChar(pool) (((pool)->ptr)[-1])

#define poolDiscard(pool) ((pool)->ptr = (pool)->start)

#define poolFinish(pool) ((pool)->start = (pool)->ptr)

#define poolAppendChar(pool, c) \

(((pool)->ptr == (pool)->end && ! poolGrow(pool)) \

? 0 \

: ((*((pool)->ptr)++ = c), 1))

struct XML_ParserStruct {

};

#define MALLOC(parser, s) (parser->m_mem.malloc_fcn((s)))

#define REALLOC(parser, p, s) (parser->m_mem.realloc_fcn((p), (s)))

#define FREE(parser, p) (parser->m_mem.free_fcn((p)))

XML_Parser XMLCALL

XML_ParserCreate(const XML_Char *encodingName) {

return XML_ParserCreate_MM(encodingName, NULL, NULL);

}

XML_Parser XMLCALL

XML_ParserCreateNS(const XML_Char *encodingName, XML_Char nsSep) {

}

static const XML_Char implicitContext[]

= {ASCII_x, ASCII_m, ASCII_l, ASCII_EQUALS, ASCII_h,

ASCII_t, ASCII_t, ASCII_p, ASCII_COLON, ASCII_SLASH,

ASCII_SLASH, ASCII_w, ASCII_w, ASCII_w, ASCII_PERIOD,

ASCII_w, ASCII_3, ASCII_PERIOD, ASCII_o, ASCII_r,

ASCII_g, ASCII_SLASH, ASCII_X, ASCII_M, ASCII_L,

ASCII_SLASH, ASCII_1, ASCII_9, ASCII_9, ASCII_8,

ASCII_SLASH, ASCII_n, ASCII_a, ASCII_m, ASCII_e,

ASCII_s, ASCII_p, ASCII_a, ASCII_c, ASCII_e,

'\0'};

#if ! defined(EXPAT_POCO)

#if ! defined(HAVE_ARC4RANDOM_BUF) && ! defined(HAVE_ARC4RANDOM)

# if defined(HAVE_GETRANDOM) || defined(HAVE_SYSCALL_GETRANDOM)

static int

writeRandomBytes_getrandom_nonblock(void *target, size_t count) {

}

# endif /* defined(HAVE_GETRANDOM) || defined(HAVE_SYSCALL_GETRANDOM) */

# if ! defined(_WIN32) && defined(XML_DEV_URANDOM)

static int

writeRandomBytes_dev_urandom(void *target, size_t count) {

}

# endif /* ! defined(_WIN32) && defined(XML_DEV_URANDOM) */

#endif /* ! defined(HAVE_ARC4RANDOM_BUF) && ! defined(HAVE_ARC4RANDOM) */

#if defined(HAVE_ARC4RANDOM) && ! defined(HAVE_ARC4RANDOM_BUF)

static void

writeRandomBytes_arc4random(void *target, size_t count) {

}

#endif /* defined(HAVE_ARC4RANDOM) && ! defined(HAVE_ARC4RANDOM_BUF) */

#ifdef _WIN32

static int

writeRandomBytes_rand_s(void *target, size_t count) {

}

#endif /* _WIN32 */

#if ! defined(HAVE_ARC4RANDOM_BUF) && ! defined(HAVE_ARC4RANDOM)

static unsigned long

gather_time_entropy(void) {

}

#endif /* ! defined(HAVE_ARC4RANDOM_BUF) && ! defined(HAVE_ARC4RANDOM) */

#endif /* ! defined(EXPAT_POCO) */

static unsigned long

ENTROPY_DEBUG(const char *label, unsigned long entropy) {

}

static unsigned long

generate_hash_secret_salt(XML_Parser parser) {

}

static unsigned long

get_hash_secret_salt(XML_Parser parser) {

}

static XML_Bool /* only valid for root parser */

startParsing(XML_Parser parser) {

}

XML_Parser XMLCALL

XML_ParserCreate_MM(const XML_Char *encodingName,

}

static XML_Parser

parserCreate(const XML_Char *encodingName,

}