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| version 1.43, 2001/04/05 18:18:41 | version 1.200, 2019/12/03 03:32:09 |
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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) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| */ | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | #include "pa_config_includes.h" |
| $Id$ | #ifdef XML |
| */ | #include "libxml/xmlversion.h" |
| #include "libxslt/extensions.h" | |
| #include "libxslt/xsltutils.h" | |
| extern "C" { | |
| #include "libexslt/exslt.h" | |
| } | |
| #endif | |
| #include "pa_globals.h" | #include "pa_globals.h" |
| #include "pa_string.h" | #include "pa_sapi.h" |
| #include "pa_hash.h" | #include "pa_threads.h" |
| #include "pa_table.h" | #include "pa_xml_io.h" |
| #include "_string.h" | #include "pa_common.h" |
| #include "_double.h" | #include "pa_symbols.h" |
| #include "_int.h" | |
| #include "_table.h" | #include "pa_cache_managers.h" |
| #include "_form.h" | |
| #include "_response.h" | #include "ltdl.h" |
| #include "_file.h" | #include "pcre.h" |
| #include "_random.h" | |
| #include "pa_sql_driver_manager.h" | volatile const char * IDENT_PA_GLOBALS_C="$Id$" IDENT_PA_GLOBALS_H IDENT_PA_SAPI_H; |
| String *html_typo_name; | |
| String *content_type_name; | |
| String *body_name; | |
| String *value_name; | |
| 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 *empty_string; | |
| String *auto_method_name; | |
| String *main_method_name; | |
| String *root_class_name; | |
| String *main_class_name; | |
| String *env_class_name; | |
| String *table_class_name; | |
| String *file_class_name; | |
| String *form_class_name; | |
| String *request_class_name; | |
| String *response_class_name; | |
| String *cookie_class_name; | |
| String *random_class_name; | |
| String *result_var_name; | |
| String *string_pre_match_name; | |
| String *string_match_name; | |
| String *string_post_match_name; | |
| String *limits_name; | |
| String *post_max_size_name; | |
| String *defaults_name; | |
| String *locale_name; | |
| String *locale_ctype_name; | |
| String *mime_types_name; | |
| String *vfile_mime_type_name; | |
| String *main_sql_name; | // defines |
| String *main_sql_drivers_name; | |
| Hash *untaint_lang_name2enum; | //#define PA_DEBUG_XML_GC_MEMORY |
| Table *default_typo_table; | // globals |
| short hex_value[0x100]; | short hex_value[0x100]={0}; |
| static void setup_hex_value() { | static void setup_hex_value() { |
| int i; | hex_value['0'] = 0; |
| for (i=0; (i < 0x100); i++) { | hex_value['1'] = 1; |
| hex_value[i] = 0; | hex_value['2'] = 2; |
| } | hex_value['3'] = 3; |
| hex_value['0'] = 0; | hex_value['4'] = 4; |
| hex_value['1'] = 1; | hex_value['5'] = 5; |
| hex_value['2'] = 2; | hex_value['6'] = 6; |
| hex_value['3'] = 3; | hex_value['7'] = 7; |
| hex_value['4'] = 4; | hex_value['8'] = 8; |
| hex_value['5'] = 5; | |
| hex_value['6'] = 6; | |
| hex_value['7'] = 7; | |
| 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 107 static void setup_hex_value() { | Line 63 static void setup_hex_value() { |
| hex_value['f'] = 15; | hex_value['f'] = 15; |
| } | } |
| void pa_globals_init(Pool& pool) { | THREAD_LOCAL Request* thread_request=NULL; |
| #undef NEW | |
| #define NEW new(pool) | void pa_register_thread_request(Request& r) { |
| thread_request=&r; | |
| } | |
| /// 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; | |
| va_list args; | |
| va_start(args, msg); | |
| p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args); | |
| 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 *)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 | |
| return result; | |
| } | |
| #ifdef PA_DEBUG_XML_GC_MEMORY | |
| static void* pa_gc_malloc_log(size_t size){ | |
| void *p=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=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=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); | |
| 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(GC_MALLOC(size), "allocate XML compsite memory", size); | |
| } | |
| static void* pa_gc_malloc_atomic_nonull(size_t size) { | |
| return check(GC_MALLOC_ATOMIC(size), "allocate XML atomic memory", size); | |
| } | |
| static void* pa_gc_realloc_nonull(void* ptr, size_t size) { | |
| return check(GC_REALLOC(ptr, size), "reallocate XML memory", size); | |
| } | |
| static void pa_gc_free_maybeignore(void* ptr) { | |
| 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 | |
| // asking to use GC memory | |
| #ifdef PA_DEBUG_XML_GC_MEMORY | |
| 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 | |
| // pcre | |
| pcre_malloc=pa_malloc; | |
| pcre_free=pa_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; | |
| // in various libraries | |
| gc_substitute_memory_management_functions(); | |
| // hex value | // hex value |
| setup_hex_value(); | setup_hex_value(); |
| // names | #ifdef SYMBOLS_CACHING |
| html_typo_name=NEW String(pool, HTML_TYPO_NAME); | // symbols cache |
| content_type_name=NEW String(pool, CONTENT_TYPE_NAME); | Symbols::init(); |
| body_name=NEW String(pool, BODY_NAME); | #endif |
| value_name=NEW String(pool, VALUE_NAME); | |
| expires_name=NEW String(pool, EXPIRES_NAME); | #ifdef XML |
| path_name=NEW String(pool, PATH_NAME); | // initializing xml libs |
| name_name=NEW String(pool, NAME_NAME); | |
| size_name=NEW String(pool, SIZE_NAME); | // Register the EXSLT extensions and the test module |
| text_name=NEW String(pool, TEXT_NAME); | exsltRegisterAll(); |
| xsltRegisterTestModule(); | |
| exception_method_name=NEW String(pool, EXCEPTION_METHOD_NAME); | xmlDefaultSAXHandlerInit(); |
| post_process_method_name=NEW String(pool, POST_PROCESS_METHOD_NAME); | |
| // disable CDATA from being built in the document tree | |
| content_disposition_name=NEW String(pool, CONTENT_DISPOSITION_NAME); | // never added yet xmlDefaultSAXHandler.cdataBlock = NULL; |
| content_disposition_filename_name=NEW String(pool, CONTENT_DISPOSITION_FILENAME_NAME); | |
| // Initialization function for the XML parser. This is not reentrant. | |
| unnamed_name=NEW String(pool, UNNAMED_NAME); | // Call once before processing in case of use in multithreaded programs. |
| empty_string=NEW String(pool); | xmlInitParser(); |
| auto_method_name=NEW String(pool, AUTO_METHOD_NAME); | // 1. this is needed for proper parsing of stylesheets |
| main_method_name=NEW String(pool, MAIN_METHOD_NAME); | // 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 | |
| root_class_name=NEW String(pool, ROOT_CLASS_NAME); | // 2. when dom tree with entites goes under transform text nodes |
| main_class_name=NEW String(pool, MAIN_CLASS_NAME); | // got [erroreosly] cut on first entity occurance |
| table_class_name=NEW String(pool, TABLE_CLASS_NAME); | // -- |
| file_class_name=NEW String(pool, FILE_CLASS_NAME); | // that is why this is: |
| env_class_name=NEW String(pool, ENV_CLASS_NAME); | xmlSubstituteEntitiesDefault(1); |
| form_class_name=NEW String(pool, FORM_CLASS_NAME); | |
| request_class_name=NEW String(pool, REQUEST_CLASS_NAME); | // Bit in the loadsubset context field to tell to do ID/REFs lookups |
| response_class_name=NEW String(pool, RESPONSE_CLASS_NAME); | xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS; |
| cookie_class_name=NEW String(pool, COOKIE_CLASS_NAME); | // Bit in the loadsubset context field to tell to do complete the elements attributes lists |
| random_class_name=NEW String(pool, RANDOM_CLASS_NAME); | // with the ones defaulted from the DTDs |
| xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS; | |
| result_var_name=NEW String(pool, RESULT_VAR_NAME); | |
| string_pre_match_name=NEW String(pool, STRING_PRE_MATCH_NAME); | // validate each document after load/create (?) |
| string_match_name=NEW String(pool, STRING_MATCH_NAME); | // xmlDoValidityCheckingDefaultValue = 1; |
| string_post_match_name=NEW String(pool, STRING_POST_MATCH_NAME); | |
| // regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1); | |
| // never switched this on xmlIndentTreeOutput=1; | |
| limits_name=NEW String(pool, LIMITS_NAME); | |
| post_max_size_name=NEW String(pool, POST_MAX_SIZE_NAME); | xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc); |
| xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc); | |
| defaults_name=NEW String(pool, DEFAULTS_NAME); | |
| locale_name=NEW String(pool, LOCALE_NAME); | // FILE *f=fopen("xslt.log", "wt"); |
| locale_ctype_name=NEW String(pool, LOCALE_CTYPE_NAME); | // xsltSetGenericDebugFunc(f/*stderr*/, 0); |
| mime_types_name=NEW String(pool, MIME_TYPES_NAME); | |
| vfile_mime_type_name=NEW String(pool, VFILE_MIME_TYPE_NAME); | pa_xml_io_init(); |
| #endif | |
| main_sql_name=NEW String(pool, MAIN_SQL_NAME); | } |
| main_sql_drivers_name=NEW String(pool, MAIN_SQL_DRIVERS_NAME); | |
| static bool is_dlinited=false; | |
| // hashes | |
| untaint_lang_name2enum=NEW Hash(pool); | |
| String as_is(pool, "as-is"); | |
| untaint_lang_name2enum->put(as_is, (int)String::UL_AS_IS); | |
| String file_name(pool, "file-name"); | |
| untaint_lang_name2enum->put(file_name, (int)String::UL_FILE_NAME); | |
| String header(pool, "header"); | |
| untaint_lang_name2enum->put(header, (int)String::UL_HEADER); | |
| String uri(pool, "uri"); | |
| untaint_lang_name2enum->put(uri, (int)String::UL_URI); | |
| String table(pool, "table"); | |
| untaint_lang_name2enum->put(table, (int)String::UL_TABLE); | |
| String sql(pool, "sql"); | |
| untaint_lang_name2enum->put(sql, (int)String::UL_SQL); | |
| String js(pool, "js"); | |
| untaint_lang_name2enum->put(js, (int)String::UL_JS); | |
| String html(pool, "html"); | |
| untaint_lang_name2enum->put(html, (int)String::UL_HTML); | |
| String html_typo(pool, "html-typo"); | |
| untaint_lang_name2enum->put(html_typo, (int)String::UL_HTML_TYPO); | |
| // tables | |
| default_typo_table=NEW Table(pool, 0, 0); | |
| { | |
| // < -> < | |
| { | |
| Array *row=NEW Array(pool); | |
| *row+=NEW String(pool, "<"); | |
| *row+=NEW String(pool, "<"); | |
| *default_typo_table+=row; | |
| } | |
| // > -> > | |
| { | |
| Array *row=NEW Array(pool); | |
| *row+=NEW String(pool, ">"); | |
| *row+=NEW String(pool, ">"); | |
| *default_typo_table+=row; | |
| } | |
| // " -> " | |
| { | |
| Array *row=NEW Array(pool); | |
| *row+=NEW String(pool, "\""); | |
| *row+=NEW String(pool, """); | |
| *default_typo_table+=row; | |
| } | |
| // & -> & | |
| { | |
| Array *row=NEW Array(pool); | |
| *row+=NEW String(pool, "&"); | |
| *row+=NEW String(pool, "&"); | |
| *default_typo_table+=row; | |
| } | |
| // \n\n -> <p> | |
| { | |
| Array *row=NEW Array(pool); | |
| *row+=NEW String(pool, "\\n\\n"); | |
| *row+=NEW String(pool, "<p>"); | |
| *default_typo_table+=row; | |
| } | |
| // \n -> <br> | |
| { | |
| Array *row=NEW Array(pool); | |
| *row+=NEW String(pool, "\\n"); | |
| *row+=NEW String(pool, "<br>"); | |
| *default_typo_table+=row; | |
| } | |
| } | |
| // stateless classes | void pa_globals_done() { |
| initialize_string_class(pool, *(string_class=NEW VStateless_class(pool))); | delete cache_managers; |
| initialize_double_class(pool, *(double_class=NEW VStateless_class(pool))); | cache_managers=0; |
| initialize_int_class(pool, *(int_class=NEW VStateless_class(pool))); | |
| initialize_table_class(pool, *(table_class=NEW VStateless_class(pool))); | |
| initialize_file_class(pool, *(file_class=NEW VStateless_class(pool))); | |
| initialize_response_class(pool, *(response_class=NEW VStateless_class(pool))); | |
| initialize_random_class(pool, *(random_class=NEW VStateless_class(pool))); | |
| // stateless base classes | if(is_dlinited) |
| initialize_form_base_class(pool, *(form_base_class=NEW VStateless_class(pool))); form_base_class->set_name(*form_class_name); | lt_dlexit(); |
| } | |
| // SQL_Driver_manager | void pa_dlinit() { |
| SQL_driver_manager=NEW SQL_Driver_manager(pool); | if(!is_dlinited){ |
| if(lt_dlinit()) | |
| throw Exception(0,0,"preparation for dynamic library loading failed, %s", lt_dlerror()); | |
| is_dlinited=true; | |
| } | |
| } | } |
| #ifdef _MSC_VER | |
| #define PREFIX "../../../../win32/" | |
| #ifdef _DEBUG | |
| #define CONFIGURATION "Debug" | |
| #else | |
| #define CONFIGURATION "Release" | |
| #endif | |
| #ifdef _WIN64 | |
| #define PLATFORM_64 "x64/" | |
| #define PLATFORM_32 "" | |
| #else | |
| #define PLATFORM_64 "" | |
| #define PLATFORM_32 "win32/" | |
| #endif | |
| #ifndef PA_DEBUG_DISABLE_GC | |
| #pragma comment(lib, PREFIX "gc/" PLATFORM_64 CONFIGURATION "/gc.lib") | |
| #endif // PA_DEBUG_DISABLE_GC | |
| #ifdef XML | |
| #define GNOME_LIBS PREFIX "gnome" | |
| #define LIB_XML PREFIX "gnome/libxml2-x.x.x/" PLATFORM_64 PLATFORM_32 CONFIGURATION "/lib/" | |
| #define LIB_XSLT PREFIX "gnome/libxslt-x.x.x/" PLATFORM_64 PLATFORM_32 CONFIGURATION "/lib/" | |
| #ifdef LIBXML_STATIC | |
| #pragma comment(lib, LIB_XML "libxml2_a.lib") | |
| #else | |
| #pragma comment(lib, LIB_XML "libxml2.lib") | |
| #endif | |
| #ifdef LIBXSLT_STATIC | |
| #pragma comment(lib, LIB_XSLT "libxslt_a.lib") | |
| #else | |
| #pragma comment(lib, LIB_XSLT "libxslt.lib") | |
| #endif | |
| #ifdef LIBEXSLT_STATIC | |
| #pragma comment(lib, LIB_XSLT "libexslt_a.lib") | |
| #else | |
| #pragma comment(lib, LIB_XSLT "libexslt.lib") | |
| #endif | |
| #endif // XML | |
| // defines for VS2015 to link with gc/xml libs compiled in the previous VS versions | |
| #if _MSC_VER >= 1900 | |
| #pragma comment(lib,"legacy_stdio_definitions.lib") | |
| extern "C" { FILE _iob[3] = { *stdin, *stdout, *stderr }; } | |
| #endif | |
| #endif // _MSC_VER |