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| version 1.85, 2001/10/27 10:31:10 | version 1.195, 2016/05/24 11:01:19 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: globals. | Parser: globals. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| $Id$ | |
| */ | */ |
| #include "pa_globals.h" | #include "pa_config_includes.h" |
| #include "pa_string.h" | |
| #include "pa_hash.h" | |
| #include "pa_sql_driver_manager.h" | |
| #include "pa_dictionary.h" | |
| #include "pa_stylesheet_manager.h" | |
| #include "pa_charset_manager.h" | |
| #include "pa_sapi.h" | |
| #ifdef HAVE_LIBDB | #ifdef XML |
| #include "pa_db_manager.h" | #include "libxml/xmlversion.h" |
| #include "libxslt/extensions.h" | |
| #include "libxslt/xsltutils.h" | |
| extern "C" { | |
| #include "libexslt/exslt.h" | |
| } | |
| #endif | #endif |
| String *user_html_name; | #include "pa_globals.h" |
| String *content_type_name; | #include "pa_sapi.h" |
| String *charset_name; | #include "pa_threads.h" |
| String *body_name; | #include "pa_xml_io.h" |
| String *value_name; | #include "pa_common.h" |
| String *expires_name; | |
| String *path_name; | |
| String *name_name; | |
| String *size_name; | |
| String *text_name; | |
| String *exception_method_name; | |
| String *post_process_method_name; | |
| String *content_disposition_name; | |
| String *content_disposition_filename_name; | |
| String *unnamed_name; | |
| String *auto_method_name; | |
| String *main_method_name; | |
| String *main_class_name; | |
| String *result_var_name; | |
| String *match_var_name; | |
| String *string_pre_match_name; | |
| String *string_match_name; | |
| String *string_post_match_name; | |
| String *defaults_name; | |
| String *charsets_name; | |
| String *mime_types_name; | |
| String *vfile_mime_type_name; | |
| String *origins_mode_name; | |
| String *class_path_name; | #include "pa_cache_managers.h" |
| String *switch_data_name; | #include "ltdl.h" |
| String *case_default_value; | #include "pcre.h" |
| String *sql_limit_name; | volatile const char * IDENT_PA_GLOBALS_C="$Id$" IDENT_PA_GLOBALS_H IDENT_PA_SAPI_H; |
| String *sql_offset_name; | |
| String *sql_default_name; | |
| String *hash_default_element_name; | // defines |
| Hash *untaint_lang_name2enum; | //#define PA_DEBUG_XML_GC_MEMORY |
| Dictionary *default_typo_dict; | // globals |
| short hex_value[0x100]; | short hex_value[0x100]={0}; |
| static void setup_hex_value() { | static void setup_hex_value() { |
| memset(hex_value, 0, sizeof(hex_value)); | hex_value['0'] = 0; |
| hex_value['0'] = 0; | hex_value['1'] = 1; |
| hex_value['1'] = 1; | hex_value['2'] = 2; |
| hex_value['2'] = 2; | hex_value['3'] = 3; |
| hex_value['3'] = 3; | hex_value['4'] = 4; |
| hex_value['4'] = 4; | hex_value['5'] = 5; |
| hex_value['5'] = 5; | hex_value['6'] = 6; |
| hex_value['6'] = 6; | hex_value['7'] = 7; |
| hex_value['7'] = 7; | hex_value['8'] = 8; |
| hex_value['8'] = 8; | |
| hex_value['9'] = 9; | hex_value['9'] = 9; |
| hex_value['A'] = 10; | hex_value['A'] = 10; |
| hex_value['B'] = 11; | hex_value['B'] = 11; |
| Line 99 static void setup_hex_value() { | Line 62 static void setup_hex_value() { |
| hex_value['f'] = 15; | hex_value['f'] = 15; |
| } | } |
| void pa_globals_destroy(void *) { | THREAD_LOCAL Request* thread_request=NULL; |
| try { | |
| // SQL driver manager | void pa_register_thread_request(Request& r) { |
| if(SQL_driver_manager) | thread_request=&r; |
| SQL_driver_manager->~SQL_Driver_manager(); | } |
| /// retrives request set by pa_set_request function, useful in contextless places [slow] | |
| Request& pa_thread_request() { | |
| return *thread_request; | |
| } | |
| #ifdef XML | |
| class XML_Generic_error_info { | |
| public:/*internal, actually*/ | |
| char buf[MAX_STRING*5]; | |
| size_t used; | |
| public: | |
| XML_Generic_error_info() { | |
| buf[used=0]=0; | |
| } | |
| const char* get() { | |
| return used? buf: 0; | |
| } | |
| }; | |
| THREAD_LOCAL XML_Generic_error_info* xml_generic_error_info = NULL; | |
| static void xmlParserGenericErrorFunc(void * /*ctx*/, const char* msg, ...) { | |
| XML_Generic_error_info* p; | |
| if(!(p=xml_generic_error_info)) // occupy empty one | |
| p=xml_generic_error_info=new(PointerFreeGC) XML_Generic_error_info; | |
| #ifdef HAVE_LIBDB | va_list args; |
| // DB driver manager | va_start(args, msg); |
| if(DB_manager) | p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args); |
| DB_manager->~DB_Manager(); | va_end(args); |
| } | |
| bool xmlHaveGenericErrors() { | |
| return xml_generic_error_info!=0; | |
| } | |
| const char* xmlGenericErrors() { | |
| if(XML_Generic_error_info *p=xml_generic_error_info) { | |
| xml_generic_error_info=0; | |
| return p->get(); | |
| } | |
| return 0; // no errors for our thread_id registered | |
| } | |
| #endif // XML | |
| #ifdef XML | |
| static char *pa_GC_strdup(const char *s) { | |
| if(!s) | |
| return 0; | |
| size_t size=strlen(s)+1; | |
| char *result=(char *)pa_gc_malloc_atomic(size); | |
| if(!result) | |
| pa_fail_alloc("duplicate XML string",size); | |
| memcpy(result, s, size); | |
| #ifdef PA_DEBUG_XML_GC_MEMORY | |
| fprintf(stderr, "pa_GC_strdup(%p=%s, length=%d)=0x%p\n", s, s, size, result); | |
| #endif | #endif |
| return result; | |
| } | |
| #ifdef PA_DEBUG_XML_GC_MEMORY | |
| static void* pa_gc_malloc_log(size_t size){ | |
| void *p=pa_gc_malloc(size); | |
| fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p); | |
| return p; | |
| } | |
| static void* pa_gc_malloc_atomic_log(size_t size){ | |
| void *p=pa_gc_malloc_atomic(size); | |
| fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p); | |
| return p; | |
| } | |
| static void* pa_gc_realloc_log(void *ptr, size_t size){ | |
| void *p=pa_gc_realloc(ptr, size); | |
| fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p); | |
| return p; | |
| } | |
| static void pa_gc_free_log(void *p){ | |
| fprintf(stderr, "pa_gc_free_log(0x%p)\n", p); | |
| pa_gc_free(p); | |
| } | |
| #else | |
| inline void *check(void *result, const char *where, size_t size) { | |
| if(!result) | |
| pa_fail_alloc(where, size); | |
| return result; | |
| } | |
| static void* pa_gc_malloc_nonull(size_t size) { | |
| return check(pa_gc_malloc(size), "allocate XML compsite memory", size); | |
| } | |
| static void* pa_gc_malloc_atomic_nonull(size_t size) { | |
| return check(pa_gc_malloc_atomic(size), "allocate XML atomic memory", size); | |
| } | |
| static void* pa_gc_realloc_nonull(void* ptr, size_t size) { | |
| return check(pa_gc_realloc(ptr, size), "reallocate XML memory", size); | |
| } | |
| static void pa_gc_free_maybeignore(void* ptr) { | |
| pa_gc_free(ptr); | |
| } | |
| #endif | |
| #endif // XML | |
| void pa_CORD_oom_fn(void) { | |
| pa_fail_alloc("expand string", 0); | |
| } | |
| /** | |
| @todo gc: libltdl: substitute lt_dlmalloc & co | |
| */ | |
| static void gc_substitute_memory_management_functions() { | |
| // in libxml & libxslt | |
| #ifdef XML | #ifdef XML |
| // XSLT stylesheet driver manager | // asking to use GC memory |
| if(stylesheet_manager) | #ifdef PA_DEBUG_XML_GC_MEMORY |
| stylesheet_manager->~Stylesheet_manager(); | xmlGcMemSetup( |
| /*xmlFreeFunc */pa_gc_free_log, | |
| /*xmlMallocFunc */pa_gc_malloc_log, | |
| /*xmlMallocFunc */pa_gc_malloc_atomic_log, | |
| /*xmlReallocFunc */pa_gc_realloc_log, | |
| /*xmlStrdupFunc */pa_GC_strdup); | |
| #else | |
| xmlGcMemSetup( | |
| /*xmlFreeFunc */pa_gc_free_maybeignore, | |
| /*xmlMallocFunc */pa_gc_malloc_nonull, | |
| /*xmlMallocFunc */pa_gc_malloc_atomic_nonull, | |
| /*xmlReallocFunc */pa_gc_realloc_nonull, | |
| /*xmlStrdupFunc */pa_GC_strdup); | |
| #endif | #endif |
| // Charset manager | |
| if(charset_manager) | |
| charset_manager->~Charset_manager(); | |
| } catch(const Exception& e) { | #endif |
| SAPI::die("pa_globals_destroy failed: %s", e.comment()); | |
| } | // pcre |
| pcre_malloc=pa_gc_malloc; | |
| pcre_free=pa_gc_free; | |
| // cord | |
| CORD_oom_fn=pa_CORD_oom_fn; | |
| } | } |
| /** | |
| @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1); | |
| */ | |
| void pa_globals_init() { | |
| // global variables | |
| cache_managers=new Cache_managers; | |
| void pa_globals_init(Pool& pool) { | |
| pool.register_cleanup(pa_globals_destroy, 0); | |
| #undef NEW | // in various libraries |
| #define NEW new(pool) | gc_substitute_memory_management_functions(); |
| // hex value | // hex value |
| setup_hex_value(); | setup_hex_value(); |
| // names | |
| user_html_name=NEW String(pool, USER_HTML_NAME); | |
| content_type_name=NEW String(pool, CONTENT_TYPE_NAME); | |
| charset_name=NEW String(pool, CHARSET_NAME); | |
| body_name=NEW String(pool, BODY_NAME); | |
| value_name=NEW String(pool, VALUE_NAME); | |
| expires_name=NEW String(pool, EXPIRES_NAME); | |
| path_name=NEW String(pool, PATH_NAME); | |
| name_name=NEW String(pool, NAME_NAME); | |
| size_name=NEW String(pool, SIZE_NAME); | |
| text_name=NEW String(pool, TEXT_NAME); | |
| exception_method_name=NEW String(pool, EXCEPTION_METHOD_NAME); | |
| post_process_method_name=NEW String(pool, POST_PROCESS_METHOD_NAME); | |
| content_disposition_name=NEW String(pool, CONTENT_DISPOSITION_NAME); | |
| content_disposition_filename_name=NEW String(pool, CONTENT_DISPOSITION_FILENAME_NAME); | |
| unnamed_name=NEW String(pool, UNNAMED_NAME); | |
| auto_method_name=NEW String(pool, AUTO_METHOD_NAME); | |
| main_method_name=NEW String(pool, MAIN_METHOD_NAME); | |
| main_class_name=NEW String(pool, MAIN_CLASS_NAME); | |
| result_var_name=NEW String(pool, RESULT_VAR_NAME); | |
| match_var_name=NEW String(pool, MATCH_VAR_NAME); | |
| string_pre_match_name=NEW String(pool, STRING_PRE_MATCH_NAME); | |
| string_match_name=NEW String(pool, STRING_MATCH_NAME); | |
| string_post_match_name=NEW String(pool, STRING_POST_MATCH_NAME); | |
| defaults_name=NEW String(pool, DEFAULTS_NAME); | |
| charsets_name=NEW String(pool, CHARSETS_NAME); | |
| mime_types_name=NEW String(pool, MIME_TYPES_NAME); | |
| vfile_mime_type_name=NEW String(pool, VFILE_MIME_TYPE_NAME); | |
| origins_mode_name=NEW String(pool, ORIGINS_MODE_NAME); | |
| class_path_name=NEW String(pool, CLASS_PATH_NAME); | |
| //^switch ^case | |
| switch_data_name=NEW String(pool, SWITCH_DATA_NAME); | |
| case_default_value=NEW String(pool, CASE_DEFAULT_VALUE); | |
| // sql | |
| sql_limit_name=NEW String(pool, SQL_LIMIT_NAME); | |
| sql_offset_name=NEW String(pool, SQL_OFFSET_NAME); | |
| sql_default_name=NEW String(pool, SQL_DEFAULT_NAME); | |
| // hash | |
| hash_default_element_name=NEW String(pool, HASH_DEFAULT_ELEMENT_NAME); | |
| // hashes | |
| untaint_lang_name2enum=NEW Hash(pool); | |
| #define ULN(var, cstr, LANG) \ | |
| String var(pool, cstr); \ | |
| untaint_lang_name2enum->put(var, (int)String::UL_##LANG); | |
| ULN(as_is, "as-is", AS_IS); | |
| ULN(file_name, "file-spec", FILE_SPEC); | |
| ULN(http_header, "http-header", HTTP_HEADER); | |
| ULN(mail_header, "mail-header", MAIL_HEADER); | |
| ULN(uri, "uri", URI); | |
| ULN(table, "table", TABLE); | |
| ULN(sql, "sql", SQL); | |
| ULN(js, "js", JS); | |
| ULN(xml, "xml", XML); | |
| ULN(html, "html", HTML); | |
| ULN(user_html, "user-html", USER_HTML); | |
| // tables | |
| Table *default_typo_table=NEW Table(pool, 0, 0); | |
| #define DT_ROW(from, to) { \ | |
| Array *row=NEW Array(pool); \ | |
| *row+=NEW String(pool, from); \ | |
| *row+=NEW String(pool, to); \ | |
| *default_typo_table+=row; \ | |
| } | |
| DT_ROW("<", "<"); | |
| DT_ROW(">", ">"); | |
| DT_ROW("\"", """); | |
| DT_ROW("&", "&"); | |
| DT_ROW("\\n\\n", "<p>"); | |
| DT_ROW("\\n", "<br>"); | |
| default_typo_dict=NEW Dictionary(*default_typo_table); | |
| // SQL driver manager | |
| SQL_driver_manager=NEW SQL_Driver_manager(pool); | |
| #ifdef HAVE_LIBDB | |
| // DB driver manager | |
| DB_manager=NEW DB_Manager(pool); | |
| #endif | |
| #ifdef XML | #ifdef XML |
| // XSLT stylesheet driver manager | // initializing xml libs |
| stylesheet_manager=NEW Stylesheet_manager(pool); | |
| // Register the EXSLT extensions and the test module | |
| exsltRegisterAll(); | |
| xsltRegisterTestModule(); | |
| xmlDefaultSAXHandlerInit(); | |
| // disable CDATA from being built in the document tree | |
| // never added yet xmlDefaultSAXHandler.cdataBlock = NULL; | |
| // Initialization function for the XML parser. This is not reentrant. | |
| // Call once before processing in case of use in multithreaded programs. | |
| xmlInitParser(); | |
| // 1. this is needed for proper parsing of stylesheets | |
| // there were a situation where honest entity ruined innocent xpath compilation | |
| // doc says "you sould turn it on on stylesheet load" without deepening into details | |
| // 2. when dom tree with entites goes under transform text nodes | |
| // got [erroreosly] cut on first entity occurance | |
| // -- | |
| // that is why this is: | |
| xmlSubstituteEntitiesDefault(1); | |
| // Bit in the loadsubset context field to tell to do ID/REFs lookups | |
| xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS; | |
| // Bit in the loadsubset context field to tell to do complete the elements attributes lists | |
| // with the ones defaulted from the DTDs | |
| xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS; | |
| // validate each document after load/create (?) | |
| // xmlDoValidityCheckingDefaultValue = 1; | |
| // regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1); | |
| // never switched this on xmlIndentTreeOutput=1; | |
| xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc); | |
| xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc); | |
| // FILE *f=fopen("xslt.log", "wt"); | |
| // xsltSetGenericDebugFunc(f/*stderr*/, 0); | |
| pa_xml_io_init(); | |
| #endif | #endif |
| } | |
| // Charset manager | static bool is_dlinited=false; |
| charset_manager=NEW Charset_manager(pool); | |
| void pa_globals_done() { | |
| delete cache_managers; | |
| cache_managers=0; | |
| if(is_dlinited) | |
| lt_dlexit(); | |
| } | |
| void pa_dlinit() { | |
| if(!is_dlinited){ | |
| if(lt_dlinit()) | |
| throw Exception(0,0,"preparation for dynamic library loading failed, %s", lt_dlerror()); | |
| is_dlinited=true; | |
| } | |
| } | } |
| #if defined(XML) && defined(_MSC_VER) | #ifdef _MSC_VER |
| # define XERCES_BUILD_WIN32_BUILD "/parser3project/win32xml/xml-xerces/c/Build/Win32/VC6" | |
| # define XALAN_BUILD_WIN32_BUILD "/parser3project/win32xml/xml-xalan/c/Build/Win32/VC6" | #ifndef PA_DEBUG_DISABLE_GC |
| # ifdef _DEBUG | |
| # pragma comment(lib, XERCES_BUILD_WIN32_BUILD "/Debug/xerces-c_1D.lib") | #define GC_LIB "../../../../win32/gc" |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/XSLTD.lib") | #ifdef _DEBUG |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/XPathD.lib") | #pragma comment(lib, GC_LIB "/Debug/gc.lib") |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/XalanTransformerD.lib") | #else |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/XalanDOMD.lib") | #pragma comment(lib, GC_LIB "/Release/gc.lib") |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/DOMSupportD.lib") | #endif |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/PlatformSupportD.lib") | |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/XMLSupportD.lib") | #endif // PA_DEBUG_DISABLE_GC |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/XercesParserLiaisonD.lib") | |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Debug/XalanSourceTreeD.lib") | |
| # else | #ifdef XML |
| # pragma comment(lib, XERCES_BUILD_WIN32_BUILD "/Release/xerces-c_1.lib") | |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/XalanSourceTree.lib") | #define GNOME_LIBS "../../../../win32/gnome" |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/PlatformSupport.lib") | |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/XalanDOM.lib") | #ifdef _DEBUG |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/DOMSupport.lib") | #define LIB_XML GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/" |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/XalanTransformer.lib") | #define LIB_XSLT GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/" |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/XercesParserLiaison.lib") | #else |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/XMLSupport.lib") | #define LIB_XML GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/" |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/XPath.lib") | #define LIB_XSLT GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/" |
| # pragma comment(lib, XALAN_BUILD_WIN32_BUILD "/Release/XSLT.lib") | #endif |
| # endif | |
| #ifdef LIBXML_STATIC | |
| #pragma comment(lib, LIB_XML "libxml2_a.lib") | |
| #else | |
| #pragma comment(lib, LIB_XML "libxml2.lib") | |
| #endif | #endif |
| #ifdef LIBXSLT_STATIC | |
| #pragma comment(lib, LIB_XSLT "libxslt_a.lib") | |
| #else | |
| #pragma comment(lib, LIB_XSLT "libxslt.lib") | |
| #endif | |
| #if defined(HAVE_LIBDB) && defined(_MSC_VER) | #ifdef LIBEXSLT_STATIC |
| # define LIBDB_WIN32_BUILD "/parser3project/win32db/lib" | #pragma comment(lib, LIB_XSLT "libexslt_a.lib") |
| # ifdef _DEBUG | #else |
| # pragma comment(lib, LIBDB_WIN32_BUILD "/debug/libdb.lib") | #pragma comment(lib, LIB_XSLT "libexslt.lib") |
| # else | |
| # pragma comment(lib, LIBDB_WIN32_BUILD "/release/libdb.lib") | |
| # endif | |
| #endif | #endif |
| #endif // XML | |
| #endif // _MSC_VER |