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updated expat to 2.1.0 [Oliver Stöneberg]

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This commit is contained in:
Oliver Stöneberg 2012-07-26 15:28:31 +00:00
parent 351b3a9d8e
commit b4a1dbb129
4 changed files with 228 additions and 79 deletions
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41
src/lib/expat/expat.h
View File

@ -342,7 +342,7 @@ XML_SetEntityDeclHandler(XML_Parser parser,
XML_EntityDeclHandler handler);
/* OBSOLETE -- OBSOLETE -- OBSOLETE
This handler has been superseded by the EntityDeclHandler above.
This handler has been superceded by the EntityDeclHandler above.
It is provided here for backward compatibility.
This is called for a declaration of an unparsed (NDATA) entity.
@ -742,6 +742,29 @@ XML_GetSpecifiedAttributeCount(XML_Parser parser);
XMLPARSEAPI(int)
XML_GetIdAttributeIndex(XML_Parser parser);
#ifdef XML_ATTR_INFO
/* Source file byte offsets for the start and end of attribute names and values.
The value indices are exclusive of surrounding quotes; thus in a UTF-8 source
file an attribute value of "blah" will yield:
info->valueEnd - info->valueStart = 4 bytes.
*/
typedef struct {
XML_Index nameStart; /* Offset to beginning of the attribute name. */
XML_Index nameEnd; /* Offset after the attribute name's last byte. */
XML_Index valueStart; /* Offset to beginning of the attribute value. */
XML_Index valueEnd; /* Offset after the attribute value's last byte. */
} XML_AttrInfo;
/* Returns an array of XML_AttrInfo structures for the attribute/value pairs
passed in last call to the XML_StartElementHandler that were specified
in the start-tag rather than defaulted. Each attribute/value pair counts
as 1; thus the number of entries in the array is
XML_GetSpecifiedAttributeCount(parser) / 2.
*/
XMLPARSEAPI(const XML_AttrInfo *)
XML_GetAttributeInfo(XML_Parser parser);
#endif
/* Parses some input. Returns XML_STATUS_ERROR if a fatal error is
detected. The last call to XML_Parse must have isFinal true; len
may be zero for this call (or any other).
@ -883,6 +906,15 @@ XMLPARSEAPI(int)
XML_SetParamEntityParsing(XML_Parser parser,
enum XML_ParamEntityParsing parsing);
/* Sets the hash salt to use for internal hash calculations.
Helps in preventing DoS attacks based on predicting hash
function behavior. This must be called before parsing is started.
Returns 1 if successful, 0 when called after parsing has started.
*/
XMLPARSEAPI(int)
XML_SetHashSalt(XML_Parser parser,
unsigned long hash_salt);
/* If XML_Parse or XML_ParseBuffer have returned XML_STATUS_ERROR, then
XML_GetErrorCode returns information about the error.
*/
@ -984,7 +1016,8 @@ enum XML_FeatureEnum {
XML_FEATURE_SIZEOF_XML_CHAR,
XML_FEATURE_SIZEOF_XML_LCHAR,
XML_FEATURE_NS,
XML_FEATURE_LARGE_SIZE
XML_FEATURE_LARGE_SIZE,
XML_FEATURE_ATTR_INFO
/* Additional features must be added to the end of this enum. */
};
@ -1004,8 +1037,8 @@ XML_GetFeatureList(void);
change to major or minor version.
*/
#define XML_MAJOR_VERSION 2
#define XML_MINOR_VERSION 0
#define XML_MICRO_VERSION 1
#define XML_MINOR_VERSION 1
#define XML_MICRO_VERSION 0
#ifdef __cplusplus
}

2
src/lib/expat/internal.h
View File

@ -16,7 +16,7 @@
inline - Used for selected internal functions for which inlining
may improve performance on some platforms.
Note: Use of these macros is based on judgment, not hard rules,
Note: Use of these macros is based on judgement, not hard rules,
and therefore subject to change.
*/

260
src/lib/expat/xmlparse.c
View File

@ -5,6 +5,8 @@
#include <stddef.h>
#include <string.h> /* memset(), memcpy() */
#include <assert.h>
#include <limits.h> /* UINT_MAX */
#include <time.h> /* time() */
#define XML_BUILDING_EXPAT 1
@ -381,12 +383,13 @@ 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(DTD *newDtd, const DTD *oldDtd, const XML_Memory_Handling_Suite *ms);
dtdCopy(XML_Parser oldParser,
DTD *newDtd, const DTD *oldDtd, const XML_Memory_Handling_Suite *ms);
static int
copyEntityTable(HASH_TABLE *, STRING_POOL *, const HASH_TABLE *);
copyEntityTable(XML_Parser oldParser,
HASH_TABLE *, STRING_POOL *, const HASH_TABLE *);
static NAMED *
lookup(HASH_TABLE *table, KEY name, size_t createSize);
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 *);
@ -419,11 +422,15 @@ static ELEMENT_TYPE *
getElementType(XML_Parser parser, const ENCODING *enc,
const char *ptr, const char *end);
static unsigned long generate_hash_secret_salt(void);
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);
@ -523,6 +530,9 @@ struct XML_ParserStruct {
NS_ATT *m_nsAtts;
unsigned long m_nsAttsVersion;
unsigned char m_nsAttsPower;
#ifdef XML_ATTR_INFO
XML_AttrInfo *m_attInfo;
#endif
POSITION m_position;
STRING_POOL m_tempPool;
STRING_POOL m_temp2Pool;
@ -536,6 +546,7 @@ struct XML_ParserStruct {
XML_Bool m_useForeignDTD;
enum XML_ParamEntityParsing m_paramEntityParsing;
#endif
unsigned long m_hash_secret_salt;
};
#define MALLOC(s) (parser->m_mem.malloc_fcn((s)))
@ -630,6 +641,7 @@ struct XML_ParserStruct {
#define nsAtts (parser->m_nsAtts)
#define nsAttsVersion (parser->m_nsAttsVersion)
#define nsAttsPower (parser->m_nsAttsPower)
#define attInfo (parser->m_attInfo)
#define tempPool (parser->m_tempPool)
#define temp2Pool (parser->m_temp2Pool)
#define groupConnector (parser->m_groupConnector)
@ -643,6 +655,7 @@ struct XML_ParserStruct {
#define useForeignDTD (parser->m_useForeignDTD)
#define paramEntityParsing (parser->m_paramEntityParsing)
#endif /* XML_DTD */
#define hash_secret_salt (parser->m_hash_secret_salt)
XML_Parser XMLCALL
XML_ParserCreate(const XML_Char *encodingName)
@ -667,22 +680,35 @@ static const XML_Char implicitContext[] = {
ASCII_s, ASCII_p, ASCII_a, ASCII_c, ASCII_e, '\0'
};
static unsigned long
generate_hash_secret_salt(void)
{
unsigned int seed = time(NULL) % UINT_MAX;
srand(seed);
return rand();
}
static XML_Bool /* only valid for root parser */
startParsing(XML_Parser parser)
{
/* hash functions must be initialized before setContext() is called */
if (hash_secret_salt == 0)
hash_secret_salt = generate_hash_secret_salt();
if (ns) {
/* implicit context only set for root parser, since child
parsers (i.e. external entity parsers) will inherit it
*/
return setContext(parser, implicitContext);
}
return XML_TRUE;
}
XML_Parser XMLCALL
XML_ParserCreate_MM(const XML_Char *encodingName,
const XML_Memory_Handling_Suite *memsuite,
const XML_Char *nameSep)
{
XML_Parser parser = parserCreate(encodingName, memsuite, nameSep, NULL);
if (parser != NULL && ns) {
/* implicit context only set for root parser, since child
parsers (i.e. external entity parsers) will inherit it
*/
if (!setContext(parser, implicitContext)) {
XML_ParserFree(parser);
return NULL;
}
}
return parser;
return parserCreate(encodingName, memsuite, nameSep, NULL);
}
static XML_Parser
@ -727,9 +753,20 @@ parserCreate(const XML_Char *encodingName,
FREE(parser);
return NULL;
}
#ifdef XML_ATTR_INFO
attInfo = (XML_AttrInfo*)MALLOC(attsSize * sizeof(XML_AttrInfo));
if (attInfo == NULL) {
FREE(atts);
FREE(parser);
return NULL;
}
#endif
dataBuf = (XML_Char *)MALLOC(INIT_DATA_BUF_SIZE * sizeof(XML_Char));
if (dataBuf == NULL) {
FREE(atts);
#ifdef XML_ATTR_INFO
FREE(attInfo);
#endif
FREE(parser);
return NULL;
}
@ -742,6 +779,9 @@ parserCreate(const XML_Char *encodingName,
if (_dtd == NULL) {
FREE(dataBuf);
FREE(atts);
#ifdef XML_ATTR_INFO
FREE(attInfo);
#endif
FREE(parser);
return NULL;
}
@ -856,6 +896,7 @@ parserInit(XML_Parser parser, const XML_Char *encodingName)
useForeignDTD = XML_FALSE;
paramEntityParsing = XML_PARAM_ENTITY_PARSING_NEVER;
#endif
hash_secret_salt = 0;
}
/* moves list of bindings to freeBindingList */
@ -903,7 +944,7 @@ XML_ParserReset(XML_Parser parser, const XML_Char *encodingName)
poolClear(&temp2Pool);
parserInit(parser, encodingName);
dtdReset(_dtd, &parser->m_mem);
return setContext(parser, implicitContext);
return XML_TRUE;
}
enum XML_Status XMLCALL
@ -972,6 +1013,12 @@ XML_ExternalEntityParserCreate(XML_Parser oldParser,
int oldInEntityValue = prologState.inEntityValue;
#endif
XML_Bool oldns_triplets = ns_triplets;
/* Note that the new parser shares the same hash secret as the old
parser, so that dtdCopy and copyEntityTable can lookup values
from hash tables associated with either parser without us having
to worry which hash secrets each table has.
*/
unsigned long oldhash_secret_salt = hash_secret_salt;
#ifdef XML_DTD
if (!context)
@ -1025,13 +1072,14 @@ XML_ExternalEntityParserCreate(XML_Parser oldParser,
externalEntityRefHandlerArg = oldExternalEntityRefHandlerArg;
defaultExpandInternalEntities = oldDefaultExpandInternalEntities;
ns_triplets = oldns_triplets;
hash_secret_salt = oldhash_secret_salt;
parentParser = oldParser;
#ifdef XML_DTD
paramEntityParsing = oldParamEntityParsing;
prologState.inEntityValue = oldInEntityValue;
if (context) {
#endif /* XML_DTD */
if (!dtdCopy(_dtd, oldDtd, &parser->m_mem)
if (!dtdCopy(oldParser, _dtd, oldDtd, &parser->m_mem)
|| !setContext(parser, context)) {
XML_ParserFree(parser);
return NULL;
@ -1120,6 +1168,9 @@ XML_ParserFree(XML_Parser parser)
#endif /* XML_DTD */
dtdDestroy(_dtd, (XML_Bool)!parentParser, &parser->m_mem);
FREE((void *)atts);
#ifdef XML_ATTR_INFO
FREE((void *)attInfo);
#endif
FREE(groupConnector);
FREE(buffer);
FREE(dataBuf);
@ -1200,6 +1251,14 @@ XML_GetIdAttributeIndex(XML_Parser parser)
return idAttIndex;
}
#ifdef XML_ATTR_INFO
const XML_AttrInfo * XMLCALL
XML_GetAttributeInfo(XML_Parser parser)
{
return attInfo;
}
#endif
void XMLCALL
XML_SetElementHandler(XML_Parser parser,
XML_StartElementHandler start,
@ -1416,6 +1475,17 @@ XML_SetParamEntityParsing(XML_Parser parser,
#endif
}
int XMLCALL
XML_SetHashSalt(XML_Parser parser,
unsigned long hash_salt)
{
/* block after XML_Parse()/XML_ParseBuffer() has been called */
if (ps_parsing == XML_PARSING || ps_parsing == XML_SUSPENDED)
return 0;
hash_secret_salt = hash_salt;
return 1;
}
enum XML_Status XMLCALL
XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
{
@ -1426,6 +1496,11 @@ XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
case XML_FINISHED:
errorCode = XML_ERROR_FINISHED;
return XML_STATUS_ERROR;
case XML_INITIALIZED:
if (parentParser == NULL && !startParsing(parser)) {
errorCode = XML_ERROR_NO_MEMORY;
return XML_STATUS_ERROR;
}
default:
ps_parsing = XML_PARSING;
}
@ -1484,11 +1559,13 @@ XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
break;
case XML_INITIALIZED:
case XML_PARSING:
result = XML_STATUS_OK;
if (isFinal) {
ps_parsing = XML_FINISHED;
return result;
return XML_STATUS_OK;
}
/* fall through */
default:
result = XML_STATUS_OK;
}
}
@ -1502,16 +1579,12 @@ XML_Parse(XML_Parser parser, const char *s, int len, int isFinal)
? (char *)MALLOC(len * 2)
: (char *)REALLOC(buffer, len * 2));
if (temp == NULL) {
errorCode = XML_ERROR_NO_MEMORY;
return XML_STATUS_ERROR;
}
buffer = temp;
if (!buffer) {
errorCode = XML_ERROR_NO_MEMORY;
eventPtr = eventEndPtr = NULL;
processor = errorProcessor;
return XML_STATUS_ERROR;
}
buffer = temp;
bufferLim = buffer + len * 2;
}
memcpy(buffer, end, nLeftOver);
@ -1549,6 +1622,11 @@ XML_ParseBuffer(XML_Parser parser, int len, int isFinal)
case XML_FINISHED:
errorCode = XML_ERROR_FINISHED;
return XML_STATUS_ERROR;
case XML_INITIALIZED:
if (parentParser == NULL && !startParsing(parser)) {
errorCode = XML_ERROR_NO_MEMORY;
return XML_STATUS_ERROR;
}
default:
ps_parsing = XML_PARSING;
}
@ -1662,6 +1740,8 @@ XML_GetBuffer(XML_Parser parser, int len)
bufferPtr = buffer = newBuf;
#endif /* not defined XML_CONTEXT_BYTES */
}
eventPtr = eventEndPtr = NULL;
positionPtr = NULL;
}
return bufferEnd;
}
@ -1946,6 +2026,9 @@ XML_GetFeatureList(void)
#endif
#ifdef XML_LARGE_SIZE
{XML_FEATURE_LARGE_SIZE, XML_L("XML_LARGE_SIZE"), 0},
#endif
#ifdef XML_ATTR_INFO
{XML_FEATURE_ATTR_INFO, XML_L("XML_ATTR_INFO"), 0},
#endif
{XML_FEATURE_END, NULL, 0}
};
@ -2230,7 +2313,7 @@ doContent(XML_Parser parser,
next - enc->minBytesPerChar);
if (!name)
return XML_ERROR_NO_MEMORY;
entity = (ENTITY *)lookup(&dtd->generalEntities, name, 0);
entity = (ENTITY *)lookup(parser, &dtd->generalEntities, name, 0);
poolDiscard(&dtd->pool);
/* First, determine if a check for an existing declaration is needed;
if yes, check that the entity exists, and that it is internal,
@ -2620,12 +2703,12 @@ storeAtts(XML_Parser parser, const ENCODING *enc,
const XML_Char *localPart;
/* lookup the element type name */
elementType = (ELEMENT_TYPE *)lookup(&dtd->elementTypes, tagNamePtr->str,0);
elementType = (ELEMENT_TYPE *)lookup(parser, &dtd->elementTypes, tagNamePtr->str,0);
if (!elementType) {
const XML_Char *name = poolCopyString(&dtd->pool, tagNamePtr->str);
if (!name)
return XML_ERROR_NO_MEMORY;
elementType = (ELEMENT_TYPE *)lookup(&dtd->elementTypes, name,
elementType = (ELEMENT_TYPE *)lookup(parser, &dtd->elementTypes, name,
sizeof(ELEMENT_TYPE));
if (!elementType)
return XML_ERROR_NO_MEMORY;
@ -2639,23 +2722,44 @@ storeAtts(XML_Parser parser, const ENCODING *enc,
if (n + nDefaultAtts > attsSize) {
int oldAttsSize = attsSize;
ATTRIBUTE *temp;
#ifdef XML_ATTR_INFO
XML_AttrInfo *temp2;
#endif
attsSize = n + nDefaultAtts + INIT_ATTS_SIZE;
temp = (ATTRIBUTE *)REALLOC((void *)atts, attsSize * sizeof(ATTRIBUTE));
if (temp == NULL)
return XML_ERROR_NO_MEMORY;
atts = temp;
#ifdef XML_ATTR_INFO
temp2 = (XML_AttrInfo *)REALLOC((void *)attInfo, attsSize * sizeof(XML_AttrInfo));
if (temp2 == NULL)
return XML_ERROR_NO_MEMORY;
attInfo = temp2;
#endif
if (n > oldAttsSize)
XmlGetAttributes(enc, attStr, n, atts);
}
appAtts = (const XML_Char **)atts;
for (i = 0; i < n; i++) {
ATTRIBUTE *currAtt = &atts[i];
#ifdef XML_ATTR_INFO
XML_AttrInfo *currAttInfo = &attInfo[i];
#endif
/* add the name and value to the attribute list */
ATTRIBUTE_ID *attId = getAttributeId(parser, enc, atts[i].name,
atts[i].name
+ XmlNameLength(enc, atts[i].name));
ATTRIBUTE_ID *attId = getAttributeId(parser, enc, currAtt->name,
currAtt->name
+ XmlNameLength(enc, currAtt->name));
if (!attId)
return XML_ERROR_NO_MEMORY;
#ifdef XML_ATTR_INFO
currAttInfo->nameStart = parseEndByteIndex - (parseEndPtr - currAtt->name);
currAttInfo->nameEnd = currAttInfo->nameStart +
XmlNameLength(enc, currAtt->name);
currAttInfo->valueStart = parseEndByteIndex -
(parseEndPtr - currAtt->valuePtr);
currAttInfo->valueEnd = parseEndByteIndex - (parseEndPtr - currAtt->valueEnd);
#endif
/* Detect duplicate attributes by their QNames. This does not work when
namespace processing is turned on and different prefixes for the same
namespace are used. For this case we have a check further down.
@ -2794,9 +2898,9 @@ storeAtts(XML_Parser parser, const ENCODING *enc,
if (s[-1] == 2) { /* prefixed */
ATTRIBUTE_ID *id;
const BINDING *b;
unsigned long uriHash = 0;
unsigned long uriHash = hash_secret_salt;
((XML_Char *)s)[-1] = 0; /* clear flag */
id = (ATTRIBUTE_ID *)lookup(&dtd->attributeIds, s, 0);
id = (ATTRIBUTE_ID *)lookup(parser, &dtd->attributeIds, s, 0);
b = id->prefix->binding;
if (!b)
return XML_ERROR_UNBOUND_PREFIX;
@ -2818,7 +2922,7 @@ storeAtts(XML_Parser parser, const ENCODING *enc,
} while (*s++);
{ /* Check hash table for duplicate of expanded name (uriName).
Derived from code in lookup(HASH_TABLE *table, ...).
Derived from code in lookup(parser, HASH_TABLE *table, ...).
*/
unsigned char step = 0;
unsigned long mask = nsAttsSize - 1;
@ -3693,6 +3797,9 @@ doProlog(XML_Parser parser,
return XML_ERROR_UNCLOSED_TOKEN;
case XML_TOK_PARTIAL_CHAR:
return XML_ERROR_PARTIAL_CHAR;
case -XML_TOK_PROLOG_S:
tok = -tok;
break;
case XML_TOK_NONE:
#ifdef XML_DTD
/* for internal PE NOT referenced between declarations */
@ -3764,7 +3871,8 @@ doProlog(XML_Parser parser,
case XML_ROLE_DOCTYPE_PUBLIC_ID:
#ifdef XML_DTD
useForeignDTD = XML_FALSE;
declEntity = (ENTITY *)lookup(&dtd->paramEntities,
declEntity = (ENTITY *)lookup(parser,
&dtd->paramEntities,
externalSubsetName,
sizeof(ENTITY));
if (!declEntity)
@ -3772,15 +3880,17 @@ doProlog(XML_Parser parser,
#endif /* XML_DTD */
dtd->hasParamEntityRefs = XML_TRUE;
if (startDoctypeDeclHandler) {
XML_Char *pubId;
if (!XmlIsPublicId(enc, s, next, eventPP))
return XML_ERROR_PUBLICID;
doctypePubid = poolStoreString(&tempPool, enc,
pubId = poolStoreString(&tempPool, enc,
s + enc->minBytesPerChar,
next - enc->minBytesPerChar);
if (!doctypePubid)
if (!pubId)
return XML_ERROR_NO_MEMORY;
normalizePublicId((XML_Char *)doctypePubid);
normalizePublicId(pubId);
poolFinish(&tempPool);
doctypePubid = pubId;
handleDefault = XML_FALSE;
goto alreadyChecked;
}
@ -3819,7 +3929,8 @@ doProlog(XML_Parser parser,
XML_Bool hadParamEntityRefs = dtd->hasParamEntityRefs;
dtd->hasParamEntityRefs = XML_TRUE;
if (paramEntityParsing && externalEntityRefHandler) {
ENTITY *entity = (ENTITY *)lookup(&dtd->paramEntities,
ENTITY *entity = (ENTITY *)lookup(parser,
&dtd->paramEntities,
externalSubsetName,
sizeof(ENTITY));
if (!entity)
@ -3863,7 +3974,7 @@ doProlog(XML_Parser parser,
XML_Bool hadParamEntityRefs = dtd->hasParamEntityRefs;
dtd->hasParamEntityRefs = XML_TRUE;
if (paramEntityParsing && externalEntityRefHandler) {
ENTITY *entity = (ENTITY *)lookup(&dtd->paramEntities,
ENTITY *entity = (ENTITY *)lookup(parser, &dtd->paramEntities,
externalSubsetName,
sizeof(ENTITY));
if (!entity)
@ -4077,7 +4188,8 @@ doProlog(XML_Parser parser,
break;
#else /* XML_DTD */
if (!declEntity) {
declEntity = (ENTITY *)lookup(&dtd->paramEntities,
declEntity = (ENTITY *)lookup(parser,
&dtd->paramEntities,
externalSubsetName,
sizeof(ENTITY));
if (!declEntity)
@ -4152,7 +4264,7 @@ doProlog(XML_Parser parser,
const XML_Char *name = poolStoreString(&dtd->pool, enc, s, next);
if (!name)
return XML_ERROR_NO_MEMORY;
declEntity = (ENTITY *)lookup(&dtd->generalEntities, name,
declEntity = (ENTITY *)lookup(parser, &dtd->generalEntities, name,
sizeof(ENTITY));
if (!declEntity)
return XML_ERROR_NO_MEMORY;
@ -4184,7 +4296,7 @@ doProlog(XML_Parser parser,
const XML_Char *name = poolStoreString(&dtd->pool, enc, s, next);
if (!name)
return XML_ERROR_NO_MEMORY;
declEntity = (ENTITY *)lookup(&dtd->paramEntities,
declEntity = (ENTITY *)lookup(parser, &dtd->paramEntities,
name, sizeof(ENTITY));
if (!declEntity)
return XML_ERROR_NO_MEMORY;
@ -4366,7 +4478,7 @@ doProlog(XML_Parser parser,
next - enc->minBytesPerChar);
if (!name)
return XML_ERROR_NO_MEMORY;
entity = (ENTITY *)lookup(&dtd->paramEntities, name, 0);
entity = (ENTITY *)lookup(parser, &dtd->paramEntities, name, 0);
poolDiscard(&dtd->pool);
/* first, determine if a check for an existing declaration is needed;
if yes, check that the entity exists, and that it is internal,
@ -4890,7 +5002,7 @@ appendAttributeValue(XML_Parser parser, const ENCODING *enc, XML_Bool isCdata,
next - enc->minBytesPerChar);
if (!name)
return XML_ERROR_NO_MEMORY;
entity = (ENTITY *)lookup(&dtd->generalEntities, name, 0);
entity = (ENTITY *)lookup(parser, &dtd->generalEntities, name, 0);
poolDiscard(&temp2Pool);
/* First, determine if a check for an existing declaration is needed;
if yes, check that the entity exists, and that it is internal.
@ -4999,7 +5111,7 @@ storeEntityValue(XML_Parser parser,
result = XML_ERROR_NO_MEMORY;
goto endEntityValue;
}
entity = (ENTITY *)lookup(&dtd->paramEntities, name, 0);
entity = (ENTITY *)lookup(parser, &dtd->paramEntities, name, 0);
poolDiscard(&tempPool);
if (!entity) {
/* not a well-formedness error - see XML 1.0: WFC Entity Declared */
@ -5289,7 +5401,7 @@ setElementTypePrefix(XML_Parser parser, ELEMENT_TYPE *elementType)
}
if (!poolAppendChar(&dtd->pool, XML_T('\0')))
return 0;
prefix = (PREFIX *)lookup(&dtd->prefixes, poolStart(&dtd->pool),
prefix = (PREFIX *)lookup(parser, &dtd->prefixes, poolStart(&dtd->pool),
sizeof(PREFIX));
if (!prefix)
return 0;
@ -5318,7 +5430,7 @@ getAttributeId(XML_Parser parser, const ENCODING *enc,
return NULL;
/* skip quotation mark - its storage will be re-used (like in name[-1]) */
++name;
id = (ATTRIBUTE_ID *)lookup(&dtd->attributeIds, name, sizeof(ATTRIBUTE_ID));
id = (ATTRIBUTE_ID *)lookup(parser, &dtd->attributeIds, name, sizeof(ATTRIBUTE_ID));
if (!id)
return NULL;
if (id->name != name)
@ -5336,7 +5448,7 @@ getAttributeId(XML_Parser parser, const ENCODING *enc,
if (name[5] == XML_T('\0'))
id->prefix = &dtd->defaultPrefix;
else
id->prefix = (PREFIX *)lookup(&dtd->prefixes, name + 6, sizeof(PREFIX));
id->prefix = (PREFIX *)lookup(parser, &dtd->prefixes, name + 6, sizeof(PREFIX));
id->xmlns = XML_TRUE;
}
else {
@ -5351,7 +5463,7 @@ getAttributeId(XML_Parser parser, const ENCODING *enc,
}
if (!poolAppendChar(&dtd->pool, XML_T('\0')))
return NULL;
id->prefix = (PREFIX *)lookup(&dtd->prefixes, poolStart(&dtd->pool),
id->prefix = (PREFIX *)lookup(parser, &dtd->prefixes, poolStart(&dtd->pool),
sizeof(PREFIX));
if (id->prefix->name == poolStart(&dtd->pool))
poolFinish(&dtd->pool);
@ -5447,7 +5559,7 @@ setContext(XML_Parser parser, const XML_Char *context)
ENTITY *e;
if (!poolAppendChar(&tempPool, XML_T('\0')))
return XML_FALSE;
e = (ENTITY *)lookup(&dtd->generalEntities, poolStart(&tempPool), 0);
e = (ENTITY *)lookup(parser, &dtd->generalEntities, poolStart(&tempPool), 0);
if (e)
e->open = XML_TRUE;
if (*s != XML_T('\0'))
@ -5462,7 +5574,7 @@ setContext(XML_Parser parser, const XML_Char *context)
else {
if (!poolAppendChar(&tempPool, XML_T('\0')))
return XML_FALSE;
prefix = (PREFIX *)lookup(&dtd->prefixes, poolStart(&tempPool),
prefix = (PREFIX *)lookup(parser, &dtd->prefixes, poolStart(&tempPool),
sizeof(PREFIX));
if (!prefix)
return XML_FALSE;
@ -5626,7 +5738,7 @@ dtdDestroy(DTD *p, XML_Bool isDocEntity, const XML_Memory_Handling_Suite *ms)
The new DTD has already been initialized.
*/
static int
dtdCopy(DTD *newDtd, const DTD *oldDtd, const XML_Memory_Handling_Suite *ms)
dtdCopy(XML_Parser oldParser, DTD *newDtd, const DTD *oldDtd, const XML_Memory_Handling_Suite *ms)
{
HASH_TABLE_ITER iter;
@ -5641,7 +5753,7 @@ dtdCopy(DTD *newDtd, const DTD *oldDtd, const XML_Memory_Handling_Suite *ms)
name = poolCopyString(&(newDtd->pool), oldP->name);
if (!name)
return 0;
if (!lookup(&(newDtd->prefixes), name, sizeof(PREFIX)))
if (!lookup(oldParser, &(newDtd->prefixes), name, sizeof(PREFIX)))
return 0;
}
@ -5663,7 +5775,7 @@ dtdCopy(DTD *newDtd, const DTD *oldDtd, const XML_Memory_Handling_Suite *ms)
if (!name)
return 0;
++name;
newA = (ATTRIBUTE_ID *)lookup(&(newDtd->attributeIds), name,
newA = (ATTRIBUTE_ID *)lookup(oldParser, &(newDtd->attributeIds), name,
sizeof(ATTRIBUTE_ID));
if (!newA)
return 0;
@ -5673,7 +5785,7 @@ dtdCopy(DTD *newDtd, const DTD *oldDtd, const XML_Memory_Handling_Suite *ms)
if (oldA->prefix == &oldDtd->defaultPrefix)
newA->prefix = &newDtd->defaultPrefix;
else
newA->prefix = (PREFIX *)lookup(&(newDtd->prefixes),
newA->prefix = (PREFIX *)lookup(oldParser, &(newDtd->prefixes),
oldA->prefix->name, 0);
}
}
@ -5692,7 +5804,7 @@ dtdCopy(DTD *newDtd, const DTD *oldDtd, const XML_Memory_Handling_Suite *ms)
name = poolCopyString(&(newDtd->pool), oldE->name);
if (!name)
return 0;
newE = (ELEMENT_TYPE *)lookup(&(newDtd->elementTypes), name,
newE = (ELEMENT_TYPE *)lookup(oldParser, &(newDtd->elementTypes), name,
sizeof(ELEMENT_TYPE));
if (!newE)
return 0;
@ -5706,14 +5818,14 @@ dtdCopy(DTD *newDtd, const DTD *oldDtd, const XML_Memory_Handling_Suite *ms)
}
if (oldE->idAtt)
newE->idAtt = (ATTRIBUTE_ID *)
lookup(&(newDtd->attributeIds), oldE->idAtt->name, 0);
lookup(oldParser, &(newDtd->attributeIds), oldE->idAtt->name, 0);
newE->allocDefaultAtts = newE->nDefaultAtts = oldE->nDefaultAtts;
if (oldE->prefix)
newE->prefix = (PREFIX *)lookup(&(newDtd->prefixes),
newE->prefix = (PREFIX *)lookup(oldParser, &(newDtd->prefixes),
oldE->prefix->name, 0);
for (i = 0; i < newE->nDefaultAtts; i++) {
newE->defaultAtts[i].id = (ATTRIBUTE_ID *)
lookup(&(newDtd->attributeIds), oldE->defaultAtts[i].id->name, 0);
lookup(oldParser, &(newDtd->attributeIds), oldE->defaultAtts[i].id->name, 0);
newE->defaultAtts[i].isCdata = oldE->defaultAtts[i].isCdata;
if (oldE->defaultAtts[i].value) {
newE->defaultAtts[i].value
@ -5727,13 +5839,15 @@ dtdCopy(DTD *newDtd, const DTD *oldDtd, const XML_Memory_Handling_Suite *ms)
}
/* Copy the entity tables. */
if (!copyEntityTable(&(newDtd->generalEntities),
if (!copyEntityTable(oldParser,
&(newDtd->generalEntities),
&(newDtd->pool),
&(oldDtd->generalEntities)))
return 0;
#ifdef XML_DTD
if (!copyEntityTable(&(newDtd->paramEntities),
if (!copyEntityTable(oldParser,
&(newDtd->paramEntities),
&(newDtd->pool),
&(oldDtd->paramEntities)))
return 0;
@ -5756,7 +5870,8 @@ dtdCopy(DTD *newDtd, const DTD *oldDtd, const XML_Memory_Handling_Suite *ms)
} /* End dtdCopy */
static int
copyEntityTable(HASH_TABLE *newTable,
copyEntityTable(XML_Parser oldParser,
HASH_TABLE *newTable,
STRING_POOL *newPool,
const HASH_TABLE *oldTable)
{
@ -5775,7 +5890,7 @@ copyEntityTable(HASH_TABLE *newTable,
name = poolCopyString(newPool, oldE->name);
if (!name)
return 0;
newE = (ENTITY *)lookup(newTable, name, sizeof(ENTITY));
newE = (ENTITY *)lookup(oldParser, newTable, name, sizeof(ENTITY));
if (!newE)
return 0;
if (oldE->systemId) {
@ -5833,16 +5948,16 @@ keyeq(KEY s1, KEY s2)
}
static unsigned long FASTCALL
hash(KEY s)
hash(XML_Parser parser, KEY s)
{
unsigned long h = 0;
unsigned long h = hash_secret_salt;
while (*s)
h = CHAR_HASH(h, *s++);
return h;
}
static NAMED *
lookup(HASH_TABLE *table, KEY name, size_t createSize)
lookup(XML_Parser parser, HASH_TABLE *table, KEY name, size_t createSize)
{
size_t i;
if (table->size == 0) {
@ -5859,10 +5974,10 @@ lookup(HASH_TABLE *table, KEY name, size_t createSize)
return NULL;
}
memset(table->v, 0, tsize);
i = hash(name) & ((unsigned long)table->size - 1);
i = hash(parser, name) & ((unsigned long)table->size - 1);
}
else {
unsigned long h = hash(name);
unsigned long h = hash(parser, name);
unsigned long mask = (unsigned long)table->size - 1;
unsigned char step = 0;
i = h & mask;
@ -5888,7 +6003,7 @@ lookup(HASH_TABLE *table, KEY name, size_t createSize)
memset(newV, 0, tsize);
for (i = 0; i < table->size; i++)
if (table->v[i]) {
unsigned long newHash = hash(table->v[i]->name);
unsigned long newHash = hash(parser, table->v[i]->name);
size_t j = newHash & newMask;
step = 0;
while (newV[j]) {
@ -6109,12 +6224,13 @@ poolGrow(STRING_POOL *pool)
}
if (pool->blocks && pool->start == pool->blocks->s) {
int blockSize = (int)(pool->end - pool->start)*2;
pool->blocks = (BLOCK *)
BLOCK *temp = (BLOCK *)
pool->mem->realloc_fcn(pool->blocks,
(offsetof(BLOCK, s)
+ blockSize * sizeof(XML_Char)));
if (pool->blocks == NULL)
if (temp == NULL)
return XML_FALSE;
pool->blocks = temp;
pool->blocks->size = blockSize;
pool->ptr = pool->blocks->s + (pool->ptr - pool->start);
pool->start = pool->blocks->s;
@ -6263,7 +6379,7 @@ getElementType(XML_Parser parser,
if (!name)
return NULL;
ret = (ELEMENT_TYPE *) lookup(&dtd->elementTypes, name, sizeof(ELEMENT_TYPE));
ret = (ELEMENT_TYPE *) lookup(parser, &dtd->elementTypes, name, sizeof(ELEMENT_TYPE));
if (!ret)
return NULL;
if (ret->name != name)

4
src/lib/expat/xmltok_impl.c
View File

@ -885,7 +885,7 @@ PREFIX(scanPercent)(const ENCODING *enc, const char *ptr, const char *end,
const char **nextTokPtr)
{
if (ptr == end)
return -XML_TOK_PERCENT;
return XML_TOK_PARTIAL;
switch (BYTE_TYPE(enc, ptr)) {
CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr)
case BT_S: case BT_LF: case BT_CR: case BT_PERCNT:
@ -1744,7 +1744,7 @@ PREFIX(updatePosition)(const ENCODING *enc,
const char *end,
POSITION *pos)
{
while (ptr != end) {
while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
#define LEAD_CASE(n) \
case BT_LEAD ## n: \