|
|
| version 1.8, 2001/03/18 11:37:52 | version 1.187, 2012/03/16 09:24:13 |
|---|---|
| Line 1 | Line 1 |
| /* | /** @file |
| Parser | Parser: globals. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | Copyright (c) 2001-2012 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| */ | */ |
| #include "pa_config_includes.h" | |
| #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 "_string.h" | #include "pa_string.h" |
| #include "_double.h" | #include "pa_sapi.h" |
| #include "_int.h" | #include "pa_threads.h" |
| #include "_table.h" | #include "pa_xml_io.h" |
| #include "_form.h" | #include "pa_common.h" |
| #include "_env.h" | |
| #include "_request.h" | #include "pa_cache_managers.h" |
| #include "_response.h" | |
| #include "pcre.h" | |
| Service_funcs service_funcs; | |
| volatile const char * IDENT_PA_GLOBALS_C="$Id$" IDENT_PA_GLOBALS_H IDENT_PA_SAPI_H; | |
| String *content_type_name; | |
| String *body_name; | |
| String *exception_method_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 *form_class_name; | |
| String *request_class_name; | |
| String *response_class_name; | |
| String *result_var_name; | // defines |
| String *limits_name; | //#define PA_DEBUG_XML_GC_MEMORY |
| String *post_max_size_name; | |
| Hash *untaint_lang_name2enum; | //20051130 trying to remove this, author claims that fixed a lot there // 20040920 for now both workarounds needed. wait for new libxml/xsl versions |
| // // there is a problem with testcase, it's unstable. | |
| // // see paf@six/bug20040920/cgi-bin/t for it-showed-bug-on-20040920-day | |
| // #define PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY | |
| // #define PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY | |
| // globals | |
| short hex_value[0x100]; | short hex_value[0x100]; |
| static void setup_hex_value() { | static void setup_hex_value() { |
| int i; | memset(hex_value, 0, sizeof(hex_value)); |
| for (i=0; (i < 0x100); i++) { | |
| hex_value[i] = 0; | |
| } | |
| hex_value['0'] = 0; | hex_value['0'] = 0; |
| hex_value['1'] = 1; | hex_value['1'] = 1; |
| hex_value['2'] = 2; | hex_value['2'] = 2; |
| Line 75 static void setup_hex_value() { | Line 69 static void setup_hex_value() { |
| hex_value['f'] = 15; | hex_value['f'] = 15; |
| } | } |
| void globals_init(Pool& pool) { | THREAD_LOCAL Request* thread_request=NULL; |
| 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 PA_RELEASE_ASSERTS | |
| void pa_release_assert(const char* str, const char* file, int line) { | |
| SAPI::die("%s at %s:%d", str, file, line); | |
| } | |
| #endif | |
| #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 | |
| #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 | |
| void *pa_look_for[]={(void*)0x84ba980,(void*)0x8969460,(void*)0x0,(void*)0x0, | |
| (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0}; | |
| bool pa_looked(void*p) { | |
| for(int i=0; i<8; i++) | |
| if(pa_look_for[i]==p) { | |
| __asm__("int $3"); | |
| return true; | |
| } | |
| if((((int)p)&~0xFF)==0x89a7700) { | |
| __asm__("int $3"); | |
| return true; | |
| } | |
| return false; | |
| } | |
| 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); | |
| if(pa_looked(p)) | |
| fprintf(stderr,"catched debug malloc(%d)=0x%p\n", size, p); | |
| return p; | |
| } | |
| static void* pa_gc_malloc_atomic_log(size_t size){ | |
| #ifdef PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY | |
| void *p=pa_gc_malloc(size); | |
| fprintf(stderr, "pa_gc_malloc_atomicFAKE_log(%d)=0x%p\n", size, p); | |
| #else | |
| void *p=pa_gc_malloc_atomic(size); | |
| fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p); | |
| #endif | |
| if(pa_looked(p)) | |
| fprintf(stderr,"catched debug malloc atomic(%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); | |
| if(pa_looked(p)) | |
| fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p); | |
| return p; | |
| } | |
| static void pa_gc_free_log(void *p){ | |
| #ifdef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY | |
| fprintf(stderr, "pa_gc_freeIGNORE_log(0x%p)\n", p); | |
| #else | |
| fprintf(stderr, "pa_gc_free_log(0x%p)\n", p); | |
| #endif | |
| if(pa_looked(p)) | |
| fprintf(stderr,"catched debug free(0x%p)\n", p); | |
| #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY | |
| pa_gc_free(p); | |
| #endif | |
| } | |
| #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) { | |
| #ifdef PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY | |
| return check(pa_gc_malloc(size), "allocate XML composite memory (asked atomic)", size); | |
| #else | |
| return check(pa_gc_malloc_atomic(size), "allocate XML atomic memory", size); | |
| #endif | |
| } | |
| 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* | |
| #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY | |
| ptr | |
| #endif | |
| ) { | |
| #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY | |
| pa_gc_free(ptr); | |
| #endif | |
| } | |
| #endif | |
| #endif | |
| 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 | |
| #if LIBXML_VERSION >= 20507 | |
| #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 | |
| #else | |
| xmlMemSetup( | |
| /*xmlFreeFunc */pa_gc_free_maybeignore, | |
| /*xmlMallocFunc */pa_gc_malloc, | |
| /*xmlReallocFunc */pa_gc_realloc, | |
| /*xmlStrdupFunc */pa_GC_strdup); | |
| #endif | |
| #endif | |
| // 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; | |
| // in various libraries | |
| gc_substitute_memory_management_functions(); | |
| // hex value | // hex value |
| setup_hex_value(); | setup_hex_value(); |
| #define NEW_STRING(name, value) name=new(pool) String(pool); name->APPEND_CONST(value) | #ifdef XML |
| #define LOCAL_STRING(name, value) String name(pool); name.APPEND_CONST(value) | // initializing xml libs |
| /* | |
| * 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("y:\\xslt.log", "wt"); | |
| // xsltSetGenericDebugFunc(f/*stderr*/, 0); | |
| pa_xml_io_init(); | |
| #endif | |
| } | |
| // names | void pa_globals_done() { |
| NEW_STRING(content_type_name, CONTENT_TYPE_NAME); | delete cache_managers; cache_managers=0; |
| NEW_STRING(body_name, BODY_NAME); | |
| NEW_STRING(exception_method_name, EXCEPTION_METHOD_NAME); | |
| NEW_STRING(unnamed_name, UNNAMED_NAME); | |
| empty_string=new(pool) String(pool); | |
| NEW_STRING(auto_method_name, AUTO_METHOD_NAME); | |
| NEW_STRING(main_method_name, MAIN_METHOD_NAME); | |
| NEW_STRING(root_class_name, ROOT_CLASS_NAME); | |
| NEW_STRING(main_class_name, MAIN_CLASS_NAME); | |
| NEW_STRING(table_class_name, TABLE_CLASS_NAME); | |
| NEW_STRING(env_class_name, ENV_CLASS_NAME); | |
| NEW_STRING(form_class_name, FORM_CLASS_NAME); | |
| NEW_STRING(request_class_name, REQUEST_CLASS_NAME); | |
| NEW_STRING(response_class_name, RESPONSE_CLASS_NAME); | |
| NEW_STRING(result_var_name, RESULT_VAR_NAME); | |
| NEW_STRING(limits_name, LIMITS_NAME); | |
| NEW_STRING(post_max_size_name, POST_MAX_SIZE_NAME); | |
| // hashes | |
| untaint_lang_name2enum=new(pool) Hash(pool); | |
| LOCAL_STRING(as_is, "as-is"); | |
| untaint_lang_name2enum->put(as_is, (int)String::Untaint_lang::AS_IS); | |
| LOCAL_STRING(table, "table"); | |
| untaint_lang_name2enum->put(table, (int)String::Untaint_lang::TABLE); | |
| LOCAL_STRING(sql, "sql"); | |
| untaint_lang_name2enum->put(sql, (int)String::Untaint_lang::SQL); | |
| LOCAL_STRING(js, "js"); | |
| untaint_lang_name2enum->put(js, (int)String::Untaint_lang::JS); | |
| LOCAL_STRING(html, "html"); | |
| untaint_lang_name2enum->put(html, (int)String::Untaint_lang::HTML); | |
| LOCAL_STRING(html_typo, "html-typo"); | |
| untaint_lang_name2enum->put(html_typo, (int)String::Untaint_lang::HTML_TYPO); | |
| // read-only stateless classes | |
| initialize_string_class(pool, *(string_class=new(pool) VStateless_class(pool))); string_class->freeze(); | |
| initialize_double_class(pool, *(double_class=new(pool) VStateless_class(pool))); double_class->freeze(); | |
| initialize_int_class(pool, *(int_class=new(pool) VStateless_class(pool))); int_class->freeze(); | |
| initialize_table_class(pool, *(table_class=new(pool) VStateless_class(pool))); table_class->freeze(); | |
| // read-only stateless base classes | |
| initialize_env_base_class(pool, *(env_base_class=new(pool) VStateless_class(pool))); env_base_class->set_name(*env_class_name); env_base_class->freeze(); | |
| initialize_form_base_class(pool, *(form_base_class=new(pool) VStateless_class(pool))); form_base_class->set_name(*form_class_name); form_base_class->freeze(); | |
| initialize_request_base_class(pool, *(request_base_class=new(pool) VStateless_class(pool))); request_base_class->set_name(*request_class_name); request_base_class->freeze(); | |
| initialize_response_base_class(pool, *(response_base_class=new(pool) VStateless_class(pool))); response_base_class->set_name(*response_class_name); response_base_class->freeze(); | |
| } | } |
| #ifdef _MSC_VER | |
| #ifndef PA_DEBUG_DISABLE_GC | |
| # define GC_LIB "../../../../win32/gc" | |
| # ifdef _DEBUG | |
| # pragma comment(lib, GC_LIB "/Debug/gc.lib") | |
| # else | |
| # pragma comment(lib, GC_LIB "/Release/gc.lib") | |
| # endif | |
| #endif | |
| #define GNOME_LIBS "../../../../win32/gnome" | |
| #ifdef WITH_MAILRECEIVE | |
| # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib") | |
| #endif | |
| #ifdef XML | |
| # ifdef _DEBUG | |
| # ifdef LIBXML_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2_a.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2.lib") | |
| # endif | |
| # ifdef LIBXSLT_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt_a.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt.lib") | |
| # endif | |
| # ifdef LIBEXSLT_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt_a.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt.lib") | |
| # endif | |
| #else | |
| # ifdef LIBXML_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2_a.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2.lib") | |
| # endif | |
| # ifdef LIBXSLT_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt_a.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt.lib") | |
| # endif | |
| # ifdef LIBEXSLT_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt_a.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt.lib") | |
| # endif | |
| # endif | |
| #endif | |
| #endif |