diff options
Diffstat (limited to 'parser.c')
-rw-r--r-- | parser.c | 163 |
1 files changed, 18 insertions, 145 deletions
@@ -130,29 +130,6 @@ xmlParserEntityCheck(xmlParserCtxtPtr ctxt, size_t size, return (0); if (ctxt->lastError.code == XML_ERR_ENTITY_LOOP) return (1); - - /* - * This may look absurd but is needed to detect - * entities problems - */ - if ((ent != NULL) && (ent->etype != XML_INTERNAL_PREDEFINED_ENTITY) && - (ent->content != NULL) && (ent->checked == 0)) { - unsigned long oldnbent = ctxt->nbentities; - xmlChar *rep; - - ent->checked = 1; - - rep = xmlStringDecodeEntities(ctxt, ent->content, - XML_SUBSTITUTE_REF, 0, 0, 0); - - ent->checked = (ctxt->nbentities - oldnbent + 1) * 2; - if (rep != NULL) { - if (xmlStrchr(rep, '<')) - ent->checked |= 1; - xmlFree(rep); - rep = NULL; - } - } if (replacement != 0) { if (replacement < XML_MAX_TEXT_LENGTH) return(0); @@ -212,12 +189,9 @@ xmlParserEntityCheck(xmlParserCtxtPtr ctxt, size_t size, return (0); } else { /* - * strange we got no data for checking + * strange we got no data for checking just return */ - if (((ctxt->lastError.code != XML_ERR_UNDECLARED_ENTITY) && - (ctxt->lastError.code != XML_WAR_UNDECLARED_ENTITY)) || - (ctxt->nbentities <= 10000)) - return (0); + return (0); } xmlFatalErr(ctxt, XML_ERR_ENTITY_LOOP, NULL); return (1); @@ -2065,11 +2039,8 @@ static void xmlSHRINK (xmlParserCtxtPtr ctxt) { xmlGROW (ctxt); static void xmlGROW (xmlParserCtxtPtr ctxt) { - unsigned long curEnd = ctxt->input->end - ctxt->input->cur; - unsigned long curBase = ctxt->input->cur - ctxt->input->base; - - if (((curEnd > (unsigned long) XML_MAX_LOOKUP_LIMIT) || - (curBase > (unsigned long) XML_MAX_LOOKUP_LIMIT)) && + if ((((ctxt->input->end - ctxt->input->cur) > XML_MAX_LOOKUP_LIMIT) || + ((ctxt->input->cur - ctxt->input->base) > XML_MAX_LOOKUP_LIMIT)) && ((ctxt->input->buf) && (ctxt->input->buf->readcallback != (xmlInputReadCallback) xmlNop)) && ((ctxt->options & XML_PARSE_HUGE) == 0)) { xmlFatalErr(ctxt, XML_ERR_INTERNAL_ERROR, "Huge input lookup"); @@ -2135,8 +2106,6 @@ xmlSkipBlankChars(xmlParserCtxtPtr ctxt) { while (IS_BLANK_CH(*cur)) { if (*cur == '\n') { ctxt->input->line++; ctxt->input->col = 1; - } else { - ctxt->input->col++; } cur++; res++; @@ -2615,7 +2584,6 @@ xmlParserHandlePEReference(xmlParserCtxtPtr ctxt) { name, NULL); ctxt->valid = 0; } - xmlParserEntityCheck(ctxt, 0, NULL, 0); } else if (ctxt->input->free != deallocblankswrapper) { input = xmlNewBlanksWrapperInputStream(ctxt, entity); if (xmlPushInput(ctxt, input) < 0) @@ -2627,23 +2595,6 @@ xmlParserHandlePEReference(xmlParserCtxtPtr ctxt) { xmlCharEncoding enc; /* - * Note: external parameter entities will not be loaded, it - * is not required for a non-validating parser, unless the - * option of validating, or substituting entities were - * given. Doing so is far more secure as the parser will - * only process data coming from the document entity by - * default. - */ - if ((entity->etype == XML_EXTERNAL_PARAMETER_ENTITY) && - ((ctxt->options & XML_PARSE_NOENT) == 0) && - ((ctxt->options & XML_PARSE_DTDVALID) == 0) && - ((ctxt->options & XML_PARSE_DTDLOAD) == 0) && - ((ctxt->options & XML_PARSE_DTDATTR) == 0) && - (ctxt->replaceEntities == 0) && - (ctxt->validate == 0)) - return; - - /* * handle the extra spaces added before and after * c.f. http://www.w3.org/TR/REC-xml#as-PE * this is done independently. @@ -2786,7 +2737,6 @@ xmlStringLenDecodeEntities(xmlParserCtxtPtr ctxt, const xmlChar *str, int len, if ((ctxt->lastError.code == XML_ERR_ENTITY_LOOP) || (ctxt->lastError.code == XML_ERR_INTERNAL_ERROR)) goto int_error; - xmlParserEntityCheck(ctxt, 0, ent, 0); if (ent != NULL) ctxt->nbentities += ent->checked / 2; if ((ent != NULL) && @@ -2838,7 +2788,6 @@ xmlStringLenDecodeEntities(xmlParserCtxtPtr ctxt, const xmlChar *str, int len, ent = xmlParseStringPEReference(ctxt, &str); if (ctxt->lastError.code == XML_ERR_ENTITY_LOOP) goto int_error; - xmlParserEntityCheck(ctxt, 0, ent, 0); if (ent != NULL) ctxt->nbentities += ent->checked / 2; if (ent != NULL) { @@ -3455,7 +3404,6 @@ xmlParseNCNameComplex(xmlParserCtxtPtr ctxt) { int len = 0, l; int c; int count = 0; - const xmlChar *end; /* needed because CUR_CHAR() can move cur on \r\n */ #ifdef DEBUG nbParseNCNameComplex++; @@ -3465,7 +3413,6 @@ xmlParseNCNameComplex(xmlParserCtxtPtr ctxt) { * Handler for more complex cases */ GROW; - end = ctxt->input->cur; c = CUR_CHAR(l); if ((c == ' ') || (c == '>') || (c == '/') || /* accelerators */ (!xmlIsNameStartChar(ctxt, c) || (c == ':'))) { @@ -3487,14 +3434,12 @@ xmlParseNCNameComplex(xmlParserCtxtPtr ctxt) { } len += l; NEXTL(l); - end = ctxt->input->cur; c = CUR_CHAR(l); if (c == 0) { count = 0; GROW; if (ctxt->instate == XML_PARSER_EOF) return(NULL); - end = ctxt->input->cur; c = CUR_CHAR(l); } } @@ -3503,7 +3448,7 @@ xmlParseNCNameComplex(xmlParserCtxtPtr ctxt) { xmlFatalErr(ctxt, XML_ERR_NAME_TOO_LONG, "NCName"); return(NULL); } - return(xmlDictLookup(ctxt->dict, end - len, len)); + return(xmlDictLookup(ctxt->dict, ctxt->input->cur - len, len)); } /** @@ -5130,7 +5075,7 @@ xmlParsePITarget(xmlParserCtxtPtr ctxt) { } if ((name != NULL) && (xmlStrchr(name, ':') != NULL)) { xmlNsErr(ctxt, XML_NS_ERR_COLON, - "colons are forbidden from PI names '%s'\n", name, NULL, NULL); + "colon are forbidden from PI names '%s'\n", name, NULL, NULL); } return(name); } @@ -5399,7 +5344,7 @@ xmlParseNotationDecl(xmlParserCtxtPtr ctxt) { } if (xmlStrchr(name, ':') != NULL) { xmlNsErr(ctxt, XML_NS_ERR_COLON, - "colons are forbidden from notation names '%s'\n", + "colon are forbidden from notation names '%s'\n", name, NULL, NULL); } SKIP_BLANKS; @@ -5488,7 +5433,7 @@ xmlParseEntityDecl(xmlParserCtxtPtr ctxt) { } if (xmlStrchr(name, ':') != NULL) { xmlNsErr(ctxt, XML_NS_ERR_COLON, - "colons are forbidden from entities names '%s'\n", + "colon are forbidden from entities names '%s'\n", name, NULL, NULL); } skipped = SKIP_BLANKS; @@ -7341,7 +7286,6 @@ xmlParseReference(xmlParserCtxtPtr ctxt) { (ret != XML_WAR_UNDECLARED_ENTITY)) { xmlFatalErrMsgStr(ctxt, XML_ERR_UNDECLARED_ENTITY, "Entity '%s' failed to parse\n", ent->name); - xmlParserEntityCheck(ctxt, 0, ent, 0); } else if (list != NULL) { xmlFreeNodeList(list); list = NULL; @@ -7448,7 +7392,7 @@ xmlParseReference(xmlParserCtxtPtr ctxt) { /* * We are copying here, make sure there is no abuse */ - ctxt->sizeentcopy += ent->length + 5; + ctxt->sizeentcopy += ent->length; if (xmlParserEntityCheck(ctxt, 0, ent, ctxt->sizeentcopy)) return; @@ -7496,7 +7440,7 @@ xmlParseReference(xmlParserCtxtPtr ctxt) { /* * We are copying here, make sure there is no abuse */ - ctxt->sizeentcopy += ent->length + 5; + ctxt->sizeentcopy += ent->length; if (xmlParserEntityCheck(ctxt, 0, ent, ctxt->sizeentcopy)) return; @@ -7682,7 +7626,6 @@ xmlParseEntityRef(xmlParserCtxtPtr ctxt) { ctxt->sax->reference(ctxt->userData, name); } } - xmlParserEntityCheck(ctxt, 0, ent, 0); ctxt->valid = 0; } @@ -7715,8 +7658,8 @@ xmlParseEntityRef(xmlParserCtxtPtr ctxt) { else if ((ctxt->instate == XML_PARSER_ATTRIBUTE_VALUE) && (ent != NULL) && (ent->etype != XML_INTERNAL_PREDEFINED_ENTITY)) { - if (((ent->checked & 1) || (ent->checked == 0)) && - (ent->content != NULL) && (xmlStrchr(ent->content, '<'))) { + if ((ent->checked & 1) || ((ent->checked == 0) && + (ent->content != NULL) &&(xmlStrchr(ent->content, '<')))) { xmlFatalErrMsgStr(ctxt, XML_ERR_LT_IN_ATTRIBUTE, "'<' in entity '%s' is not allowed in attributes values\n", name); } @@ -7810,7 +7753,7 @@ xmlParseStringEntityRef(xmlParserCtxtPtr ctxt, const xmlChar ** str) { /* - * Predefined entities override any extra definition + * Predefined entites override any extra definition */ if ((ctxt->options & XML_PARSE_OLDSAX) == 0) { ent = xmlGetPredefinedEntity(name); @@ -7876,7 +7819,6 @@ xmlParseStringEntityRef(xmlParserCtxtPtr ctxt, const xmlChar ** str) { "Entity '%s' not defined\n", name); } - xmlParserEntityCheck(ctxt, 0, ent, 0); /* TODO ? check regressions ctxt->valid = 0; */ } @@ -8036,7 +7978,6 @@ xmlParsePEReference(xmlParserCtxtPtr ctxt) name, NULL); ctxt->valid = 0; } - xmlParserEntityCheck(ctxt, 0, NULL, 0); } else { /* * Internal checking in case the entity quest barfed @@ -8276,7 +8217,6 @@ xmlParseStringPEReference(xmlParserCtxtPtr ctxt, const xmlChar **str) { name, NULL); ctxt->valid = 0; } - xmlParserEntityCheck(ctxt, 0, NULL, 0); } else { /* * Internal checking in case the entity quest barfed @@ -8966,12 +8906,9 @@ xmlParseAttValueInternal(xmlParserCtxtPtr ctxt, int *len, int *alloc, xmlChar limit = 0; const xmlChar *in = NULL, *start, *end, *last; xmlChar *ret = NULL; - int line, col; GROW; in = (xmlChar *) CUR_PTR; - line = ctxt->input->line; - col = ctxt->input->col; if (*in != '"' && *in != '\'') { xmlFatalErr(ctxt, XML_ERR_ATTRIBUTE_NOT_STARTED, NULL); return (NULL); @@ -8984,7 +8921,6 @@ xmlParseAttValueInternal(xmlParserCtxtPtr ctxt, int *len, int *alloc, * pure ASCII. */ limit = *in++; - col++; end = ctxt->input->end; start = in; if (in >= end) { @@ -9004,11 +8940,6 @@ xmlParseAttValueInternal(xmlParserCtxtPtr ctxt, int *len, int *alloc, while ((in < end) && (*in != limit) && ((*in == 0x20) || (*in == 0x9) || (*in == 0xA) || (*in == 0xD))) { - if (*in == 0xA) { - line++; col = 1; - } else { - col++; - } in++; start = in; if (in >= end) { @@ -9032,7 +8963,6 @@ xmlParseAttValueInternal(xmlParserCtxtPtr ctxt, int *len, int *alloc, } while ((in < end) && (*in != limit) && (*in >= 0x20) && (*in <= 0x7f) && (*in != '&') && (*in != '<')) { - col++; if ((*in++ == 0x20) && (*in == 0x20)) break; if (in >= end) { const xmlChar *oldbase = ctxt->input->base; @@ -9061,11 +8991,6 @@ xmlParseAttValueInternal(xmlParserCtxtPtr ctxt, int *len, int *alloc, while ((in < end) && (*in != limit) && ((*in == 0x20) || (*in == 0x9) || (*in == 0xA) || (*in == 0xD))) { - if (*in == 0xA) { - line++, col = 1; - } else { - col++; - } in++; if (in >= end) { const xmlChar *oldbase = ctxt->input->base; @@ -9098,7 +9023,6 @@ xmlParseAttValueInternal(xmlParserCtxtPtr ctxt, int *len, int *alloc, while ((in < end) && (*in != limit) && (*in >= 0x20) && (*in <= 0x7f) && (*in != '&') && (*in != '<')) { in++; - col++; if (in >= end) { const xmlChar *oldbase = ctxt->input->base; GROW; @@ -9128,7 +9052,6 @@ xmlParseAttValueInternal(xmlParserCtxtPtr ctxt, int *len, int *alloc, if (*in != limit) goto need_complex; } in++; - col++; if (len != NULL) { *len = last - start; ret = (xmlChar *) start; @@ -9137,8 +9060,6 @@ xmlParseAttValueInternal(xmlParserCtxtPtr ctxt, int *len, int *alloc, ret = xmlStrndup(start, last - start); } CUR_PTR = in; - ctxt->input->line = line; - ctxt->input->col = col; if (alloc) *alloc = 0; return ret; need_complex: @@ -9371,12 +9292,6 @@ reparse: const xmlChar *URL = xmlDictLookup(ctxt->dict, attvalue, len); xmlURIPtr uri; - if (URL == NULL) { - xmlErrMemory(ctxt, "dictionary allocation failure"); - if ((attvalue != NULL) && (alloc != 0)) - xmlFree(attvalue); - return(NULL); - } if (*URL != 0) { uri = xmlParseURI((const char *) URL); if (uri == NULL) { @@ -9420,13 +9335,6 @@ reparse: if (nsPush(ctxt, NULL, URL) > 0) nbNs++; skip_default_ns: if (alloc != 0) xmlFree(attvalue); - if ((RAW == '>') || (((RAW == '/') && (NXT(1) == '>')))) - break; - if (!IS_BLANK_CH(RAW)) { - xmlFatalErrMsg(ctxt, XML_ERR_SPACE_REQUIRED, - "attributes construct error\n"); - break; - } SKIP_BLANKS; continue; } @@ -9500,13 +9408,6 @@ skip_default_ns: if (nsPush(ctxt, attname, URL) > 0) nbNs++; skip_ns: if (alloc != 0) xmlFree(attvalue); - if ((RAW == '>') || (((RAW == '/') && (NXT(1) == '>')))) - break; - if (!IS_BLANK_CH(RAW)) { - xmlFatalErrMsg(ctxt, XML_ERR_SPACE_REQUIRED, - "attributes construct error\n"); - break; - } SKIP_BLANKS; if (ctxt->input->base != base) goto base_changed; continue; @@ -9767,11 +9668,9 @@ xmlParseEndTag2(xmlParserCtxtPtr ctxt, const xmlChar *prefix, if ((tlen > 0) && (xmlStrncmp(ctxt->input->cur, ctxt->name, tlen) == 0)) { if (ctxt->input->cur[tlen] == '>') { ctxt->input->cur += tlen + 1; - ctxt->input->col += tlen + 1; goto done; } ctxt->input->cur += tlen; - ctxt->input->col += tlen; name = (xmlChar*)1; } else { if (prefix == NULL) @@ -10412,10 +10311,8 @@ xmlParseEncodingDecl(xmlParserCtxtPtr ctxt) { /* * Non standard parsing, allowing the user to ignore encoding */ - if (ctxt->options & XML_PARSE_IGNORE_ENC) { - xmlFree((xmlChar *) encoding); - return(NULL); - } + if (ctxt->options & XML_PARSE_IGNORE_ENC) + return(encoding); /* * UTF-16 encoding stwich has already taken place at this stage, @@ -10784,10 +10681,6 @@ xmlParseDocument(xmlParserCtxtPtr ctxt) { ctxt->sax->startDocument(ctxt->userData); if (ctxt->instate == XML_PARSER_EOF) return(-1); - if ((ctxt->myDoc != NULL) && (ctxt->input != NULL) && - (ctxt->input->buf != NULL) && (ctxt->input->buf->compressed >= 0)) { - ctxt->myDoc->compression = ctxt->input->buf->compressed; - } /* * The Misc part of the Prolog @@ -12698,9 +12591,6 @@ xmlIOParseDTD(xmlSAXHandlerPtr sax, xmlParserInputBufferPtr input, return(NULL); } - /* We are loading a DTD */ - ctxt->options |= XML_PARSE_DTDLOAD; - /* * Set-up the SAX context */ @@ -12828,9 +12718,6 @@ xmlSAXParseDTD(xmlSAXHandlerPtr sax, const xmlChar *ExternalID, return(NULL); } - /* We are loading a DTD */ - ctxt->options |= XML_PARSE_DTDLOAD; - /* * Set-up the SAX context */ @@ -13720,7 +13607,7 @@ xmlParseInNodeContext(xmlNodePtr node, const char *data, int datalen, xmlFree((xmlChar *) ctxt->encoding); ctxt->encoding = xmlStrdup((const xmlChar *) doc->encoding); - hdlr = xmlFindCharEncodingHandler((const char *) doc->encoding); + hdlr = xmlFindCharEncodingHandler(doc->encoding); if (hdlr != NULL) { xmlSwitchToEncoding(ctxt, hdlr); } else { @@ -13731,8 +13618,6 @@ xmlParseInNodeContext(xmlNodePtr node, const char *data, int datalen, xmlCtxtUseOptionsInternal(ctxt, options, NULL); xmlDetectSAX2(ctxt); ctxt->myDoc = doc; - /* parsing in context, i.e. as within existing content */ - ctxt->instate = XML_PARSER_CONTENT; fake = xmlNewComment(NULL); if (fake == NULL) { @@ -13768,6 +13653,7 @@ xmlParseInNodeContext(xmlNodePtr node, const char *data, int datalen, } cur = cur->parent; } + ctxt->instate = XML_PARSER_CONTENT; } if ((ctxt->validate) || (ctxt->replaceEntities != 0)) { @@ -14830,9 +14716,6 @@ xmlInitParser(void) { #ifdef LIBXML_XPATH_ENABLED xmlXPathInit(); #endif -#ifdef LIBXML_CATALOG_ENABLED - xmlInitializeCatalog(); -#endif xmlParserInitialized = 1; #ifdef LIBXML_THREAD_ENABLED } @@ -14880,8 +14763,8 @@ xmlCleanupParser(void) { xmlSchemaCleanupTypes(); xmlRelaxNGCleanupTypes(); #endif - xmlResetLastError(); xmlCleanupGlobals(); + xmlResetLastError(); xmlCleanupThreads(); /* must be last if called not from the main thread */ xmlCleanupMemory(); xmlParserInitialized = 0; @@ -15330,7 +15213,6 @@ xmlReadDoc(const xmlChar * cur, const char *URL, const char *encoding, int optio if (cur == NULL) return (NULL); - xmlInitParser(); ctxt = xmlCreateDocParserCtxt(cur); if (ctxt == NULL) @@ -15353,7 +15235,6 @@ xmlReadFile(const char *filename, const char *encoding, int options) { xmlParserCtxtPtr ctxt; - xmlInitParser(); ctxt = xmlCreateURLParserCtxt(filename, options); if (ctxt == NULL) return (NULL); @@ -15377,7 +15258,6 @@ xmlReadMemory(const char *buffer, int size, const char *URL, const char *encodin { xmlParserCtxtPtr ctxt; - xmlInitParser(); ctxt = xmlCreateMemoryParserCtxt(buffer, size); if (ctxt == NULL) return (NULL); @@ -15406,7 +15286,6 @@ xmlReadFd(int fd, const char *URL, const char *encoding, int options) if (fd < 0) return (NULL); - xmlInitParser(); input = xmlParserInputBufferCreateFd(fd, XML_CHAR_ENCODING_NONE); if (input == NULL) @@ -15450,7 +15329,6 @@ xmlReadIO(xmlInputReadCallback ioread, xmlInputCloseCallback ioclose, if (ioread == NULL) return (NULL); - xmlInitParser(); input = xmlParserInputBufferCreateIO(ioread, ioclose, ioctx, XML_CHAR_ENCODING_NONE); @@ -15497,7 +15375,6 @@ xmlCtxtReadDoc(xmlParserCtxtPtr ctxt, const xmlChar * cur, return (NULL); if (ctxt == NULL) return (NULL); - xmlInitParser(); xmlCtxtReset(ctxt); @@ -15531,7 +15408,6 @@ xmlCtxtReadFile(xmlParserCtxtPtr ctxt, const char *filename, return (NULL); if (ctxt == NULL) return (NULL); - xmlInitParser(); xmlCtxtReset(ctxt); @@ -15568,7 +15444,6 @@ xmlCtxtReadMemory(xmlParserCtxtPtr ctxt, const char *buffer, int size, return (NULL); if (buffer == NULL) return (NULL); - xmlInitParser(); xmlCtxtReset(ctxt); @@ -15613,7 +15488,6 @@ xmlCtxtReadFd(xmlParserCtxtPtr ctxt, int fd, return (NULL); if (ctxt == NULL) return (NULL); - xmlInitParser(); xmlCtxtReset(ctxt); @@ -15659,7 +15533,6 @@ xmlCtxtReadIO(xmlParserCtxtPtr ctxt, xmlInputReadCallback ioread, return (NULL); if (ctxt == NULL) return (NULL); - xmlInitParser(); xmlCtxtReset(ctxt); |