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> php-5.2.14-CVE-2013-1643.patch
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File php-5.2.14-CVE-2013-1643.patch of Package php-5.2.17
Index: ext/libxml/libxml.c =================================================================== --- ext/libxml/libxml.c.orig +++ ext/libxml/libxml.c @@ -267,6 +267,7 @@ static PHP_GINIT_FUNCTION(libxml) libxml_globals->stream_context = NULL; libxml_globals->error_buffer.c = NULL; libxml_globals->error_list = NULL; + libxml_globals->entity_loader_disabled = 0; } /* Channel libxml file io layer through the PHP streams subsystem. @@ -356,16 +357,15 @@ static int php_libxml_streams_IO_close(v } static xmlParserInputBufferPtr -php_libxml_input_buffer_noload(const char *URI, xmlCharEncoding enc) -{ - return NULL; -} - -static xmlParserInputBufferPtr php_libxml_input_buffer_create_filename(const char *URI, xmlCharEncoding enc) { xmlParserInputBufferPtr ret; void *context = NULL; + TSRMLS_FETCH(); + + if (LIBXML(entity_loader_disabled)) { + return NULL; + } if (URI == NULL) return(NULL); @@ -839,28 +839,25 @@ static PHP_FUNCTION(libxml_clear_errors) } /* }}} */ +PHP_LIBXML_API zend_bool php_libxml_disable_entity_loader(zend_bool disable TSRMLS_DC) +{ + zend_bool old = LIBXML(entity_loader_disabled); + + LIBXML(entity_loader_disabled) = disable; + return old; +} + /* {{{ proto bool libxml_disable_entity_loader([boolean disable]) Disable/Enable ability to load external entities */ static PHP_FUNCTION(libxml_disable_entity_loader) { zend_bool disable = 1; - xmlParserInputBufferCreateFilenameFunc old; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &disable) == FAILURE) { return; } - if (disable == 0) { - old = xmlParserInputBufferCreateFilenameDefault(php_libxml_input_buffer_create_filename); - } else { - old = xmlParserInputBufferCreateFilenameDefault(php_libxml_input_buffer_noload); - } - - if (old == php_libxml_input_buffer_noload) { - RETURN_TRUE; - } - - RETURN_FALSE; + RETURN_BOOL(php_libxml_disable_entity_loader(disable TSRMLS_CC)); } /* }}} */ Index: ext/libxml/php_libxml.h =================================================================== --- ext/libxml/php_libxml.h.orig +++ ext/libxml/php_libxml.h @@ -41,6 +41,7 @@ ZEND_BEGIN_MODULE_GLOBALS(libxml) zval *stream_context; smart_str error_buffer; zend_llist *error_list; + zend_bool entity_loader_disabled; ZEND_END_MODULE_GLOBALS(libxml) typedef struct _libxml_doc_props { @@ -91,6 +92,7 @@ void php_libxml_ctx_error(void *ctx, con PHP_LIBXML_API int php_libxml_xmlCheckUTF8(const unsigned char *s); PHP_LIBXML_API zval *php_libxml_switch_context(zval *context TSRMLS_DC); PHP_LIBXML_API void php_libxml_issue_error(int level, const char *msg TSRMLS_DC); +PHP_LIBXML_API zend_bool php_libxml_disable_entity_loader(zend_bool disable TSRMLS_DC); /* Init/shutdown functions*/ PHP_LIBXML_API void php_libxml_initialize(void); Index: ext/soap/php_xml.c =================================================================== --- ext/soap/php_xml.c.orig +++ ext/soap/php_xml.c @@ -20,6 +20,7 @@ /* $Id: php_xml.c 293036 2010-01-03 09:23:27Z sebastian $ */ #include "php_soap.h" +#include "ext/libxml/php_libxml.h" #include "libxml/parser.h" #include "libxml/parserInternals.h" @@ -91,13 +92,17 @@ xmlDocPtr soap_xmlParseFile(const char * ctxt = xmlCreateFileParserCtxt(filename); PG(allow_url_fopen) = old_allow_url_fopen; if (ctxt) { + zend_bool old; + ctxt->keepBlanks = 0; ctxt->sax->ignorableWhitespace = soap_ignorableWhitespace; ctxt->sax->comment = soap_Comment; ctxt->sax->warning = NULL; ctxt->sax->error = NULL; /*ctxt->sax->fatalError = NULL;*/ + old = php_libxml_disable_entity_loader(1 TSRMLS_CC); xmlParseDocument(ctxt); + php_libxml_disable_entity_loader(old TSRMLS_CC); if (ctxt->wellFormed) { ret = ctxt->myDoc; if (ret->URL == NULL && ctxt->directory != NULL) { @@ -128,11 +133,15 @@ xmlDocPtr soap_xmlParseMemory(const void xmlParserCtxtPtr ctxt = NULL; xmlDocPtr ret; + TSRMLS_FETCH(); + /* xmlInitParser(); */ ctxt = xmlCreateMemoryParserCtxt(buf, buf_size); if (ctxt) { + zend_bool old; + ctxt->sax->ignorableWhitespace = soap_ignorableWhitespace; ctxt->sax->comment = soap_Comment; ctxt->sax->warning = NULL; @@ -141,7 +150,9 @@ xmlDocPtr soap_xmlParseMemory(const void #if LIBXML_VERSION >= 20703 ctxt->options |= XML_PARSE_HUGE; #endif + old = php_libxml_disable_entity_loader(1 TSRMLS_CC); xmlParseDocument(ctxt); + php_libxml_disable_entity_loader(old TSRMLS_CC); if (ctxt->wellFormed) { ret = ctxt->myDoc; if (ret->URL == NULL && ctxt->directory != NULL) {