--- parser3/src/main/pa_common.C 2013/07/23 10:18:54 1.275 +++ parser3/src/main/pa_common.C 2026/01/06 16:36:39 1.341 @@ -1,30 +1,9 @@ /** @file Parser: commonly functions. - Copyright (c) 2000-2012 Art. Lebedev Studio (http://www.artlebedev.com) - Author: Alexandr Petrosian (http://paf.design.ru) - - * BASE64 part - * Authors: Michael Zucchi - * Jeffrey Stedfast - * - * Copyright 2000-2004 Ximian, Inc. (www.ximian.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA. - * - */ + Copyright (c) 2000-2024 Art. Lebedev Studio (http://www.artlebedev.com) + Authors: Konstantin Morshnev , Alexandr Petrosian +*/ #include "pa_common.h" #include "pa_exception.h" @@ -33,14 +12,17 @@ #include "pa_charsets.h" #include "pa_http.h" #include "pa_request_charsets.h" -#include "pcre.h" #include "pa_request.h" +#include "pa_idna.h" +#include "pa_convert_utf.h" + #ifdef _MSC_VER +#include #include #endif -volatile const char * IDENT_PA_COMMON_C="$Id: pa_common.C,v 1.275 2013/07/23 10:18:54 moko Exp $" IDENT_PA_COMMON_H IDENT_PA_HASH_H IDENT_PA_ARRAY_H IDENT_PA_STACK_H; +volatile const char * IDENT_PA_COMMON_C="$Id: pa_common.C,v 1.341 2026/01/06 16:36:39 moko Exp $" IDENT_PA_COMMON_H IDENT_PA_HASH_H IDENT_PA_ARRAY_H IDENT_PA_STACK_H; // some maybe-undefined constants @@ -69,69 +51,60 @@ volatile const char * IDENT_PA_COMMON_C= const String file_status_name(FILE_STATUS_NAME); +String sql_bind_name(SQL_BIND_NAME); +String sql_limit_name(PA_SQL_LIMIT_NAME); +String sql_offset_name(PA_SQL_OFFSET_NAME); +String sql_default_name(SQL_DEFAULT_NAME); +String sql_distinct_name(SQL_DISTINCT_NAME); +String sql_value_type_name(SQL_VALUE_TYPE_NAME); + +// forwards + +const UTF16* pa_utf16_encode(const char* in, Charset& source_charset); + // functions -bool capitalized(const char* s){ - bool upper=true; - for(const char* c=s; *c; c++){ - if(*c != (upper ? toupper((unsigned char)*c) : tolower((unsigned char)*c))) - return false; - upper=strchr("-_ ", *c) != 0; - } - return true; +#ifdef _MSC_VER + +#define PA_UTF16_ENC(value) (const wchar_t *)pa_utf16_encode(value, pa_thread_request().charsets.source()) + +int pa_stat(const char *pathname, struct stat *buffer){ + return _wstat64(PA_UTF16_ENC(pathname), buffer); } -const char* capitalize(const char* s){ - if(!s || capitalized(s)) - return s; +int pa_open(const char *pathname, int flags, int mode){ + return _wopen(PA_UTF16_ENC(pathname), flags, mode); +} - char* result=pa_strdup(s); - if(result){ - bool upper=true; - for(char* c=result; *c; c++){ - *c=upper ? (char)toupper((unsigned char)*c) : (char)tolower((unsigned char)*c); - upper=strchr("-_ ", *c) != 0; - } - } - return (const char*)result; +FILE *pa_fopen(const char *pathname, const char *mode){ + return _wfopen(PA_UTF16_ENC(pathname), PA_UTF16_ENC(mode)); } -void fix_line_breaks(char *str, size_t& length) { - //_asm int 3; - const char* const eob=str+length; - char* dest=str; - // fix DOS: \r\n -> \n - // fix Macintosh: \r -> \n - char* bol=str; - while(char* eol=(char*)memchr(bol, '\r', eob -bol)) { - size_t len=eol-bol; - if(dest!=bol) - memmove(dest, bol, len); - dest+=len; - *dest++='\n'; +int pa_mkdir(const char *pathname, int){ + return _wmkdir(PA_UTF16_ENC(pathname)); +} - if(&eol[1](context); - size_t to_read_size=info.count; - if(!to_read_size) - to_read_size=(size_t)finfo.st_size; - assert( !(info.buf && as_text) ); +static void file_read_action(struct stat& finfo, int f, const String& file_spec, void *context) { + File_read_action_info& info = *static_cast(context); + size_t to_read_size = check_file_size(info.limit && info.limit < (size_t)finfo.st_size ? info.limit : (size_t)finfo.st_size, &file_spec); if(to_read_size) { if(info.offset) - lseek(f, info.offset, SEEK_SET); - *info.data=info.buf ? info.buf : (char *)pa_malloc_atomic(to_read_size+1); - ssize_t result=read(f, *info.data, to_read_size); + pa_lseek(f, info.offset, SEEK_SET); // seek never fails as POSIX allows the file offset to be set beyond the EOF + *info.data = info.buf ? info.buf : (char *)pa_malloc_atomic(to_read_size+1); + ssize_t result = read(f, *info.data, to_read_size); if(result<0) throw Exception("file.read", &file_spec, "read failed: %s (%d)", strerror(errno), errno); - *info.data_size=result; + *info.data_size = result; } else { // empty file // for both, text and binary: for text we need that terminator, for binary we need nonzero pointer to be able to save such files - *info.data=(char *)pa_malloc_atomic(1); - *(char*)(*info.data)=0; - *info.data_size=0; + *info.data = (char *)pa_malloc_atomic(1); + *(char*)(*info.data) = 0; + *info.data_size = 0; return; } } +File_read_result file_read_binary(const String& file_spec, bool fail_on_read_problem, char* buf, uint64_t offset, size_t limit) { + File_read_result result = {false, 0, 0, 0}; + File_read_action_info info = {&result.str, &result.length, buf, offset, limit}; + + result.success = file_read_action_under_lock(file_spec, "read", file_read_action, &info, 0, fail_on_read_problem); + return result; +} + File_read_result file_read(Request_charsets& charsets, const String& file_spec, - bool as_text, HashStringValue *params, + bool as_text, HashStringValue *options, bool fail_on_read_problem, - char* buf, size_t offset, size_t count, bool transcode_text_result) { - File_read_result result={false, 0, 0, 0}; - if(params){ - int valid_options=pa_get_valid_file_options_count(*params); - if(valid_options!=params->count()) + size_t offset = 0, size_t limit = 0, bool transcode_text_result = true) { + File_read_result result = {false, 0, 0, 0}; + if(options){ + int valid_options = pa_get_valid_file_options_count(*options); + if(valid_options != options->count()) throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); } - File_read_action_info info={&result.str, &result.length, buf, offset, count}; + File_read_action_info info = {&result.str, &result.length, 0, offset, limit}; - result.success=file_read_action_under_lock(file_spec, - "read", file_read_action, &info, - as_text, fail_on_read_problem); + result.success = file_read_action_under_lock(file_spec, "read", file_read_action, &info, as_text, fail_on_read_problem); if(as_text){ if(result.success){ - Charset* asked_charset=0; - if(result.length>=3 && strncmp(result.str, "\xEF\xBB\xBF", 3)==0){ - // skip UTF-8 signature (BOM code) - result.str+=3; - result.length-=3; - asked_charset=&UTF8_charset; - } - - if(params) - if(Value* vcharset_name=params->get(PA_CHARSET_NAME)) - asked_charset=&::charsets.get(vcharset_name->as_string().change_case(charsets.source(), String::CC_UPPER)); + Charset* asked_charset = 0; + if(options) + if(Value* vcharset_name = options->get(PA_CHARSET_NAME)) + asked_charset = &pa_charsets.get(vcharset_name->as_string()); + + asked_charset = pa_charsets.checkBOM(result.str, result.length, asked_charset); if(result.length && transcode_text_result && asked_charset){ // length must be checked because transcode returns CONST string in case length==0, which contradicts hacking few lines below - String::C body=String::C(result.str, result.length); + String::C body = String::C(result.str, result.length); body=Charset::transcode(body, *asked_charset, charsets.source()); - result.str=const_cast(body.str); // hacking a little - result.length=body.length; + result.str = const_cast(body.str); // hacking a little + result.length = body.length; } } if(result.length) @@ -225,45 +196,55 @@ File_read_result file_read(Request_chars } File_read_result file_load(Request& r, const String& file_spec, - bool as_text, HashStringValue *params, + bool as_text, HashStringValue *options, bool fail_on_read_problem, - char* buf, size_t offset, size_t count, bool transcode_text_result) { + bool transcode_text_result) { + + size_t offset = 0; + size_t limit = 0; + + if(options){ + if(Value *voffset = (Value *)options->get(sql_offset_name)) + offset = r.process(*voffset).as_int(); + if(Value *vlimit = (Value *)options->get(sql_limit_name)) + limit = r.process(*vlimit).as_int(); + // no check on options count here + } - File_read_result result={false, 0, 0, 0}; if(file_spec.starts_with("http://")) { - if(offset || count) - throw Exception(PARSER_RUNTIME, - 0, - "offset and load options are not supported for HTTP:// file load"); + if(offset || limit) + throw Exception(PARSER_RUNTIME, 0, "offset and load options are not supported for HTTP:// file load"); // fail on read problem - File_read_http_result http=pa_internal_file_read_http(r, file_spec, as_text, params, transcode_text_result); - result.success=true; - result.str=http.str; - result.length=http.length; - result.headers=http.headers; + File_read_http_result http = pa_internal_file_read_http(r, file_spec, as_text, options, transcode_text_result); + + File_read_result result = {true, http.str, http.length, http.headers}; + return result; } else - result= - file_read(r.charsets, file_spec, as_text, params, fail_on_read_problem, buf, offset, count, transcode_text_result); + return file_read(r.charsets, file_spec, as_text, options, fail_on_read_problem, offset, limit, transcode_text_result); +} - return result; +char* file_read_text(Request_charsets& charsets, const String& file_spec, bool fail_on_read_problem) { + File_read_result file = file_read(charsets, file_spec, true, 0, fail_on_read_problem); + return file.success ? file.str : 0; } +char* file_load_text(Request& r, const String& file_spec, bool fail_on_read_problem, HashStringValue* options, bool transcode_result) { + File_read_result file = file_load(r, file_spec, true, options, fail_on_read_problem, transcode_result); + return file.success ? file.str : 0; +} #ifdef PA_SAFE_MODE void check_safe_mode(struct stat finfo, const String& file_spec, const char* fname) { if(finfo.st_uid/*foreign?*/!=geteuid() && finfo.st_gid/*foreign?*/!=getegid()) - throw Exception(PARSER_RUNTIME, - &file_spec, - "parser is in safe mode: " - "reading files of foreign group and user disabled " - "[recompile parser with --disable-safe-mode configure option], " - "actual filename '%s', " - "fuid(%d)!=euid(%d) or fgid(%d)!=egid(%d)", - fname, - finfo.st_uid, geteuid(), - finfo.st_gid, getegid()); + throw Exception(PARSER_RUNTIME, + &file_spec, + "parser is in safe mode: reading files of foreign group and user disabled " + "[recompile parser with --disable-safe-mode configure option], " + "actual filename '%s', fuid(%d)!=euid(%d) or fgid(%d)!=egid(%d)", + fname, finfo.st_uid, geteuid(), finfo.st_gid, getegid() + ); } #else void check_safe_mode(struct stat, const String&, const char*) { @@ -271,12 +252,10 @@ void check_safe_mode(struct stat, const #endif +bool file_read_action_under_lock(const String& file_spec, const char* action_name, File_read_action action, void *context, + bool as_text, bool fail_on_read_problem) { -bool file_read_action_under_lock(const String& file_spec, - const char* action_name, File_read_action action, void *context, - bool as_text, - bool fail_on_read_problem) { - const char* fname=file_spec.taint_cstr(String::L_FILE_SPEC); + const char* fname=file_spec.taint_cstr(String::L_FILE_SPEC); int f; // first open, next stat: @@ -288,77 +267,61 @@ bool file_read_action_under_lock(const S // they delay update till open, so we would receive "!^test[" string // if would do stat, next open. // later: it seems, even this does not help sometimes - if((f=open(fname, O_RDONLY|(as_text?_O_TEXT:_O_BINARY)))>=0) { + if((f=pa_open(fname, O_RDONLY | (as_text ? _O_TEXT : _O_BINARY) ))>=0) { try { - if(pa_lock_shared_blocking(f)!=0) - throw Exception("file.lock", - &file_spec, - "shared lock failed: %s (%d), actual filename '%s'", - strerror(errno), errno, fname); + int pa_errno=pa_lock_shared_blocking(f); + if(pa_errno!=0) + throw Exception("file.lock", &file_spec, "shared lock failed: %s (%d), actual filename '%s'", strerror(pa_errno), pa_errno, fname); struct stat finfo; - if(fstat(f, &finfo)!=0) + if(pa_fstat(f, &finfo)!=0) throw Exception("file.missing", // hardly possible: we just opened it OK - &file_spec, - "stat failed: %s (%d), actual filename '%s'", - strerror(errno), errno, fname); + &file_spec, "stat failed: %s (%d), actual filename '%s'", strerror(errno), errno, fname); check_safe_mode(finfo, file_spec, fname); - action(finfo, f, file_spec, fname, as_text, context); + action(finfo, f, file_spec, context); } catch(...) { pa_unlock(f);close(f); if(fail_on_read_problem) rethrow; - return false; + return false; } pa_unlock(f);close(f); return true; } else { if(fail_on_read_problem) - throw Exception(errno==EACCES?"file.access" - :(errno==ENOENT || errno==ENOTDIR || errno==ENODEV)?"file.missing":0, - &file_spec, - "%s failed: %s (%d), actual filename '%s'", - action_name, strerror(errno), errno, fname); + throw Exception(errno==EACCES ? "file.access" : (errno==ENOENT || errno==ENOTDIR || errno==ENODEV) ? "file.missing" : 0, + &file_spec, "%s failed: %s (%d), actual filename '%s'", action_name, strerror(errno), errno, fname); return false; } } void create_dir_for_file(const String& file_spec) { - size_t pos_after=1; - size_t pos_before; - while((pos_before=file_spec.pos('/', pos_after))!=STRING_NOT_FOUND) { - mkdir(file_spec.mid(0, pos_before).taint_cstr(String::L_FILE_SPEC), 0775); - pos_after=pos_before+1; + const char *str=file_spec.taint_cstr(String::L_FILE_SPEC); + if(str[0]){ + const char *pos=str+1; + while((pos=strpbrk(pos, "/\\")) && pos[1]) { // to avoid trailing /, see #1166 + pa_mkdir(pa_strdup(str,pos-str), 0775); + pos++; + } } } -bool file_write_action_under_lock( - const String& file_spec, - const char* action_name, - File_write_action action, - void *context, - bool as_text, - bool do_append, - bool do_block, - bool fail_on_lock_problem) { +bool file_write_action_under_lock(const String& file_spec, const char* action_name, File_write_action action, void *context, + bool as_text, bool do_append, bool do_block, bool fail_on_lock_problem) { + const char* fname=file_spec.taint_cstr(String::L_FILE_SPEC); int f; if(access(fname, W_OK)!=0) // no create_dir_for_file(file_spec); - if((f=open(fname, - O_CREAT|O_RDWR - |(as_text?_O_TEXT:_O_BINARY) - |(do_append?O_APPEND:PA_O_TRUNC), 0664))>=0) { - if((do_block?pa_lock_exclusive_blocking(f):pa_lock_exclusive_nonblocking(f))!=0) { - Exception e("file.lock", - &file_spec, - "shared lock failed: %s (%d), actual filename '%s'", - strerror(errno), errno, fname); - close(f); + if((f=pa_open(fname, O_CREAT | O_RDWR | (as_text ? _O_TEXT : _O_BINARY) | (do_append ? O_APPEND : PA_O_TRUNC), 0664))>=0) { + int pa_errno=do_block ? pa_lock_exclusive_blocking(f) : pa_lock_exclusive_nonblocking(f); + if(pa_errno!=0) { + Exception e("file.lock", &file_spec, "shared lock failed: %s (%d), actual filename '%s'", strerror(pa_errno), pa_errno, fname); + close(f); if(fail_on_lock_problem) throw e; return false; @@ -367,30 +330,27 @@ bool file_write_action_under_lock( try { #if (defined(HAVE_FCHMOD) && defined(PA_SAFE_MODE)) struct stat finfo; - if(fstat(f, &finfo)==0 && finfo.st_mode & 0111) + if(pa_fstat(f, &finfo)==0 && finfo.st_mode & 0111) fchmod(f, finfo.st_mode & 0666/*clear executable bits*/); // backward: ignore errors if any #endif action(f, context); } catch(...) { #ifdef HAVE_FTRUNCATE if(!do_append) - ftruncate(f, lseek(f, 0, SEEK_CUR)); // one can not use O_TRUNC, read lower + PA_UNUSED int ignore_result=ftruncate(f, lseek(f, 0, SEEK_CUR)); // one cannot use O_TRUNC, read lower #endif - pa_unlock(f);close(f); + pa_unlock(f);close(f); rethrow; } #ifdef HAVE_FTRUNCATE if(!do_append) - ftruncate(f, lseek(f, 0, SEEK_CUR)); // O_TRUNC truncates even exclusevely write-locked file [thanks to Igor Milyakov for discovering] + PA_UNUSED int ignore_result=ftruncate(f, lseek(f, 0, SEEK_CUR)); // O_TRUNC truncates even exclusevely write-locked file [thanks to Igor Milyakov for discovering] #endif - pa_unlock(f);close(f); + pa_unlock(f);close(f); return true; } else - throw Exception(errno==EACCES?"file.access":0, - &file_spec, - "%s failed: %s (%d), actual filename '%s'", - action_name, strerror(errno), errno, fname); + throw Exception(errno==EACCES ? "file.access" : 0, &file_spec, "%s failed: %s (%d), actual filename '%s'", action_name, strerror(errno), errno, fname); // here should be nothing, see rethrow above } @@ -452,7 +412,19 @@ static size_t get_dir(char* fname, size_ return pos; } -static bool entry_readable(char* fname, bool need_dir) { +bool entry_exists(const char* fname, struct stat *afinfo) { + struct stat lfinfo; + bool result=pa_stat(fname, &lfinfo)==0; + if(afinfo) + *afinfo=lfinfo; + return result; +} + +bool entry_exists(const String& file_spec) { + return entry_exists(file_spec.taint_cstr(String::L_FILE_SPEC), 0); +} + +static bool entry_ifdir(char *fname, bool need_dir) { if(need_dir){ size_t size=strlen(fname); while(size) { @@ -465,26 +437,26 @@ static bool entry_readable(char* fname, } struct stat finfo; - if(access(fname, R_OK)==0 && entry_exists(fname, &finfo)) { + if(entry_exists(fname, &finfo)) { bool is_dir=(finfo.st_mode&S_IFDIR) != 0; return is_dir==need_dir; } return false; } -static bool entry_readable(const String& file_spec, bool need_dir) { - return entry_readable(file_spec.taint_cstrm(String::L_FILE_SPEC), need_dir); +static bool entry_ifdir(const String& file_spec, bool need_dir) { + return entry_ifdir(file_spec.taint_cstrm(String::L_FILE_SPEC), need_dir); } // throws nothing! [this is required in file_move & file_delete] -static void rmdir(const String& file_spec, size_t pos_after=0) { +static void rmdir(const String& file_spec, size_t pos_after) { char* dir_spec=file_spec.taint_cstrm(String::L_FILE_SPEC); size_t length=strlen(dir_spec); while( (length=get_dir(dir_spec, length)) && (length > pos_after) ){ #ifdef _MSC_VER - if(!entry_readable(dir_spec, true)) + if(!entry_ifdir(dir_spec, true)) break; - DWORD attrs=GetFileAttributes(dir_spec); + DWORD attrs=GetFileAttributesW(PA_UTF16_ENC(dir_spec)); if( (attrs==INVALID_FILE_ATTRIBUTES) || !(attrs & FILE_ATTRIBUTE_DIRECTORY) @@ -492,21 +464,20 @@ static void rmdir(const String& file_spe ) break; #endif - if( rmdir(dir_spec) ) + if(pa_rmdir(dir_spec)) break; }; } bool file_delete(const String& file_spec, bool fail_on_problem, bool keep_empty_dirs) { const char* fname=file_spec.taint_cstr(String::L_FILE_SPEC); - if(unlink(fname)!=0) + if(pa_unlink(fname)!=0) { if(fail_on_problem) - throw Exception(errno==EACCES?"file.access":errno==ENOENT?"file.missing":0, - &file_spec, - "unlink failed: %s (%d), actual filename '%s'", - strerror(errno), errno, fname); + throw Exception(errno==EACCES?"file.access":errno==ENOENT?"file.missing":0, + &file_spec, "unlink failed: %s (%d), actual filename '%s'", strerror(errno), errno, fname); else return false; + } if(!keep_empty_dirs) rmdir(file_spec, 1); @@ -520,36 +491,21 @@ void file_move(const String& old_spec, c create_dir_for_file(new_spec); - if(rename(old_spec_cstr, new_spec_cstr)!=0) - throw Exception(errno==EACCES?"file.access":errno==ENOENT?"file.missing":0, - &old_spec, - "rename failed: %s (%d), actual filename '%s' to '%s'", - strerror(errno), errno, old_spec_cstr, new_spec_cstr); + if(pa_rename(old_spec_cstr, new_spec_cstr)!=0) + throw Exception(errno==EACCES ? "file.access" : errno==ENOENT ? "file.missing" : 0, + &old_spec, "rename failed: %s (%d), actual filename '%s' to '%s'", strerror(errno), errno, old_spec_cstr, new_spec_cstr); if(!keep_empty_dirs) rmdir(old_spec, 1); } -bool entry_exists(const char* fname, struct stat *afinfo) { - struct stat lfinfo; - bool result=stat(fname, &lfinfo)==0; - if(afinfo) - *afinfo=lfinfo; - return result; -} - -bool entry_exists(const String& file_spec) { - const char* fname=file_spec.taint_cstr(String::L_FILE_SPEC); - return entry_exists(fname, 0); -} - bool file_exist(const String& file_spec) { - return entry_readable(file_spec, false); + return entry_ifdir(file_spec, false); } bool dir_exists(const String& file_spec) { - return entry_readable(file_spec, true); + return entry_ifdir(file_spec, true); } const String* file_exist(const String& path, const String& name) { @@ -564,29 +520,104 @@ bool file_executable(const String& file_ return access(file_spec.taint_cstr(String::L_FILE_SPEC), X_OK)==0; } -bool file_stat(const String& file_spec, - size_t& rsize, - time_t& ratime, - time_t& rmtime, - time_t& rctime, - bool fail_on_read_problem) { +bool file_stat(const String& file_spec, uint64_t& rsize, time_t& ratime, time_t& rmtime, time_t& rctime, bool fail_on_read_problem) { const char* fname=file_spec.taint_cstr(String::L_FILE_SPEC); struct stat finfo; - if(stat(fname, &finfo)!=0) + if(pa_stat(fname, &finfo)!=0) { if(fail_on_read_problem) - throw Exception("file.missing", - &file_spec, - "getting file size failed: %s (%d), real filename '%s'", - strerror(errno), errno, fname); + throw Exception("file.missing", &file_spec, "getting file size failed: %s (%d), real filename '%s'", strerror(errno), errno, fname); else return false; + } rsize=finfo.st_size; - ratime=finfo.st_atime; - rmtime=finfo.st_mtime; - rctime=finfo.st_ctime; + ratime=(time_t)finfo.st_atime; + rmtime=(time_t)finfo.st_mtime; + rctime=(time_t)finfo.st_ctime; + return true; +} + +size_t check_file_size(uint64_t size, const String* file_spec){ + if(size > (uint64_t)pa_file_size_limit) + throw Exception(PARSER_RUNTIME, file_spec, "content size of %.15g bytes exceeds the limit (%.15g bytes)", (double)size, (double)pa_file_size_limit); + return (size_t)size; +} + +/** + String related functions +*/ + +bool capitalized(const char* s){ + bool upper=true; + for(const char* c=s; *c; c++){ + if(*c != (upper ? toupper((unsigned char)*c) : tolower((unsigned char)*c))) + return false; + upper=strchr("-_ ", *c) != 0; + } return true; } +const char* capitalize(const char* s){ + if(!s || capitalized(s)) + return s; + + char* result=pa_strdup(s); + if(result){ + bool upper=true; + for(char* c=result; *c; c++){ + *c=upper ? (char)toupper((unsigned char)*c) : (char)tolower((unsigned char)*c); + upper=strchr("-_ ", *c) != 0; + } + } + return (const char*)result; +} + +char *str_lower(const char *s, size_t length){ + char *result=pa_strdup(s, length); + for(char* c=result; *c; c++) + *c=(char)tolower((unsigned char)*c); + return result; +} + +char *str_upper(const char *s, size_t length){ + char *result=pa_strdup(s, length); + for(char* c=result; *c; c++) + *c=(char)toupper((unsigned char)*c); + return result; +} + +void fix_line_breaks(char *str, size_t& length) { + //_asm int 3; + const char* const eob=str+length; + char* dest=str; + // fix DOS: \r\n -> \n + // fix Macintosh: \r -> \n + char* bol=str; + while(char* eol=(char*)memchr(bol, '\r', eob -bol)) { + size_t len=eol-bol; + if(dest!=bol) + memmove(dest, bol, len); + dest+=len; + *dest++='\n'; + + if(&eol[1]='0' && c<='9'){ - if(state == Flags) state=Width; // no more flags - break; - } else if(c=='d' || c=='i'){ - result=FormatInt; - } else if(strchr("feEgG", c)!=0){ - result=FormatDouble; - } else if(strchr("uoxX", c)!=0){ - result=FormatUInt; - } else { - return FormatInvalid; // invalid char - } - state=Done; - break; - case Done: - return FormatInvalid; // no chars allowed after 'type' + if (left != 0 && src) { + while (--left != 0) { + if ((*dst++ = *src++) == '\0') + return; } } - return result; + if (n != 0) + *dst = '\0'; } +#define STRCAT_STEP(str, len) if(str) { memcpy(ptr, str, len); ptr += len; } -const char* format(double value, const char* fmt) { - char local_buf[MAX_NUMBER]; - int size=-1; - - if(fmt && strlen(fmt)){ - switch(format_type(fmt)){ - case FormatDouble: - size=snprintf(local_buf, sizeof(local_buf), fmt, value); - break; - case FormatInt: - size=snprintf(local_buf, sizeof(local_buf), fmt, (int)value); - break; - case FormatUInt: - size=snprintf(local_buf, sizeof(local_buf), fmt, (uint)value); - break; - case FormatInvalid: - throw Exception(PARSER_RUNTIME, - 0, - "Incorrect format string '%s' was specified.", fmt); - } - } else - size=snprintf(local_buf, sizeof(local_buf), "%d", (int)value); - - if(size < 0 || size >= MAX_NUMBER-1){ // on win32 we manually reduce max size while printing - throw Exception(PARSER_RUNTIME, - 0, - "Error occure white executing snprintf with format string '%s'.", fmt); - } +char *pa_strcat(const char *a, const char *b, const char *c) { + size_t len_a = a ? strlen(a) : 0; + size_t len_b = b ? strlen(b) : 0; + size_t len_c = c ? strlen(c) : 0; + char *result=new(PointerFreeGC) char[len_a + len_b + len_c +1/*0*/]; + char *ptr=result; + STRCAT_STEP(a, len_a); + STRCAT_STEP(b, len_b); + STRCAT_STEP(c, len_c); + *ptr='\0'; + return result; +} - return pa_strdup(local_buf, (size_t)size); +const char *pa_filename(const char *path){ + if(!path) + return NULL; + for(const char *c = path + strlen(path) - 1; c >= path; c--) { + if(*c == '/' || *c == '\\') + return c+1; + } + return path; } size_t stdout_write(const void *buf, size_t size) { #ifdef WIN32 size_t to_write = size; do{ - int chunk_written=fwrite(buf, 1, min((size_t)8*0x400, size), stdout); + int chunk_written=fwrite(buf, 1, min((size_t)8*0x400, size), stdout); if(chunk_written<=0) break; size-=chunk_written; buf=((const char*)buf)+chunk_written; - } while(size>0); + } while(size>0); + fflush(stdout); return to_write-size; #else - return fwrite(buf, 1, size, stdout); + size_t result=fwrite(buf, 1, size, stdout); + fflush(stdout); + return result; #endif } enum EscapeState { - EscapeRest, - EscapeFirst, + EscapeRest, + EscapeFirst, EscapeSecond, EscapeUnicode }; @@ -752,7 +727,7 @@ enum EscapeState { // @todo prescan for reduce required size (unescaped sting in 1 byte charset requires less memory usually) char* unescape_chars(const char* cp, int len, Charset* charset, bool js){ char* s=new(PointerFreeGC) char[len+1]; // must be enough (%uXXXX==6 bytes, max utf-8 char length==6 bytes) - char* dst=s; + XMLByte* dst=(XMLByte *)s; EscapeState escapeState=EscapeRest; uint escapedValue=0; int srcPos=0; @@ -764,7 +739,7 @@ char* unescape_chars(const char* cp, int } else { switch(escapeState) { case EscapeRest: - if(!js && c=='+'){ + if(c=='+' && !js){ *dst++=' '; } else { *dst++=c; @@ -798,7 +773,7 @@ char* unescape_chars(const char* cp, int escapedValue=(escapedValue << 4) + hex_value[c]; if(++jsCnt==4){ // transcode utf8 char to client charset (we can lost some chars here) - charset->store_Char((XMLByte*&)dst, (XMLCh)escapedValue, '?'); + charset->store_Char(dst, (XMLCh)escapedValue, '?'); escapeState=EscapeRest; } } else { @@ -845,29 +820,120 @@ void back_slashes_to_slashes(char* s) { } #endif -bool StrStartFromNC(const char* str, const char* substr, bool equal){ - while(true) { - if(!(*substr)){ - if(!(*str)) - return true; - else - return !equal; +size_t strpos(const char *str, const char *substr) { + const char *p = strstr(str, substr); + return (p==0)?STRING_NOT_FOUND:p-str; +} + +size_t remove_crlf(char* start, char* end) { + char* from=start; + char* to=start; + bool skip=false; + while(from < end){ + switch(*from){ + case '\n': + case '\r': + case '\t': + case ' ': + if(!skip){ + *to=' '; + to++; + skip=true; + } + break; + default: + if(from != to) + *to=*from; + to++; + skip=false; } - if(!(*str)) - return false; - if(isalpha((unsigned char)*str)) { - if(tolower((unsigned char)*str)!=tolower((unsigned char)*substr)) - return false; - } else if((*str) != (*substr)) - return false; - str++; - substr++; + from++; } + return to-start; } -size_t strpos(const char *str, const char *substr) { - const char *p = strstr(str, substr); - return (p==0)?STRING_NOT_FOUND:p-str; +const char* hex_digits="0123456789ABCDEF"; + +const char* hex_string(unsigned char* bytes, size_t size, bool upcase) { + char *bytes_hex=new(PointerFreeGC) char [size*2/*byte->hh*/+1/*for zero-teminator*/]; + unsigned char *src=bytes; + unsigned char *end=bytes+size; + char *dest=bytes_hex; + + const char *hex=upcase? hex_digits : "0123456789abcdef"; + + for(; src 0; j--) + { + if(dwCrc & 1) + dwCrc = (dwCrc >> 1) ^ dwPolynomial; + else + dwCrc >>= 1; + } + crc32Table[i] = dwCrc; + } + } +} + +inline void CalcCrc32(const unsigned char byte, unsigned long &crc32) +{ + crc32 = ((crc32) >> 8) ^ crc32Table[(byte) ^ ((crc32) & 0x000000FF)]; +} + + +unsigned long pa_crc32(const char *in, size_t in_size){ + unsigned long crc32=0xFFFFFFFF; + + InitCrc32Table(); + for(size_t i = 0; i(context); + if(finfo.st_size) { + InitCrc32Table(); + int nCount=0; + do { + unsigned char buffer[FILE_BUFFER_SIZE]; + nCount = file_block_read(f, buffer, sizeof(buffer)); + for(int i = 0; i < nCount; i++) CalcCrc32(buffer[i], crc32); + } while(nCount > 0); + } +} + +unsigned long pa_crc32(const String& file_spec){ + unsigned long crc32=0xFFFFFFFF; + file_read_action_under_lock(file_spec, "crc32", file_crc32_file_action, &crc32); + return ~crc32; } // content-type: xxx; charset=WE-NEED-THIS @@ -875,10 +941,7 @@ size_t strpos(const char *str, const cha // content-type: xxx; charset="WE-NEED-THIS"; Charset* detect_charset(const char* content_type){ if(content_type){ - char* CONTENT_TYPE=pa_strdup(content_type); - - for(char *p=CONTENT_TYPE; *p; p++) - *p=(char)toupper((unsigned char)*p); + char* CONTENT_TYPE=str_upper(content_type); if(const char* begin=strstr(CONTENT_TYPE, "CHARSET=")){ begin+=8; // skip "CHARSET=" @@ -894,74 +957,133 @@ Charset* detect_charset(const char* cont if(end) *end=0; // terminator - return *begin?&charsets.get(begin):0; + return *begin ? &pa_charsets.get_direct(begin) : 0; } } return 0; } +const UTF16* pa_utf16_encode(const char* in, Charset& source_charset){ + if(!in) + return 0; + + String::C sIn(in,strlen(in)); + + UTF16* utf16=(UTF16*)pa_malloc_atomic(sIn.length*2+2); + UTF16* utf16_end=utf16; + + if(!source_charset.isUTF8()) + sIn=Charset::transcode(sIn, source_charset, pa_UTF8_charset); + + int status=pa_convertUTF8toUTF16((const UTF8**)&sIn.str, (const UTF8*)(sIn.str+sIn.length), &utf16_end, utf16+sIn.length, strictConversion); + if(status != conversionOK) + throw Exception("utf-16 encode", new String(in), "utf-16 conversion failed (%d)", status); -static bool isLeap(int year) { - return !( - (year % 4) || ((year % 400) && !(year % 100)) - ); -} - -int getMonthDays(int year, int month) { - static int monthDays[]={ - 31, - 28, - 31, - 30, - 31, - 30, - 31, - 31, - 30, - 31, - 30, - 31 - }; - return (month == 1 /* january -- 0 */ && isLeap(year)) ? 29 : monthDays[month]; + *utf16_end=0; + + return utf16; } -int remove_crlf(char* start, char* end) { - char* from=start; - char* to=start; - bool skip=false; - while(from < end){ - switch(*from){ - case '\n': - case '\r': - case '\t': - case ' ': - if(!skip){ - *to=' '; - to++; - skip=true; - } - break; - default: - if(from != to) - *to=*from; - to++; - skip=false; - } - from++; +const char* pa_utf16_decode(const UTF16* in, Charset& asked_charset){ + if(!in) + return 0; + + const UTF16* utf16_start=in; + const UTF16* utf16_end; + + for(utf16_end=in; *utf16_end; utf16_end++); + + char *result = (char *)pa_malloc_atomic((utf16_end-in)*6+1); + char *result_end = result; + + int status=pa_convertUTF16toUTF8(&utf16_start, utf16_end, (UTF8**)&result_end, (UTF8*)(result+(utf16_end-in)*6), strictConversion); + + if(status != conversionOK) + throw Exception("utf-16 decode", 0, "utf conversion failed (%d)", status); + + *result_end='\0'; + + if(asked_charset.isUTF8()) + return result; + + return Charset::transcode(result, pa_UTF8_charset, asked_charset).cstr(); +} + +static bool is_latin(const char *in){ + for(; *in; in++){ + if ((unsigned char)(*in) > 0x7F) + return false; } - return to-start; + return true; +} + +#define MAX_IDNA_LENGTH 256 + +const char *pa_idna_encode(const char *in, Charset& source_charset){ + if(!in || is_latin(in)) + return in; + + uint32_t utf32[MAX_IDNA_LENGTH]; + uint32_t *utf32_end=utf32; + + String::C sIn(in,strlen(in)); + + if(!source_charset.isUTF8()) + sIn=Charset::transcode(sIn, source_charset, pa_UTF8_charset); + + int status=pa_convertUTF8toUTF32((const UTF8**)&sIn.str, (const UTF8*)(sIn.str+sIn.length), &utf32_end, utf32+MAX_IDNA_LENGTH-1, strictConversion); + if(status != conversionOK) + throw Exception("idna encode", new String(in), "utf conversion failed (%d)", status); + + *utf32_end=0; + + char *result = (char *)pa_malloc(MAX_IDNA_LENGTH); + status=pa_idna_to_ascii_4z(utf32, result, MAX_IDNA_LENGTH, 0); + if(status != IDNA_SUCCESS) + throw Exception("idna encode", new String(in), "encode failed: %s", pa_idna_strerror(status)); + + return result; } +const char *pa_idna_decode(const char *in, Charset &asked_charset){ + if(!in || !(*in)) + return in; + uint32_t utf32[MAX_IDNA_LENGTH]; + const uint32_t *utf32_start=utf32; + uint32_t *utf32_end; + + int status=pa_idna_to_unicode_4z(in, utf32, MAX_IDNA_LENGTH, 0); + if(status != IDNA_SUCCESS) + throw Exception("idna decode", new String(in), "decode failed: %s", pa_idna_strerror(status)); + + for(utf32_end=utf32; *utf32_end; utf32_end++); + + char *result = (char *)pa_malloc(MAX_IDNA_LENGTH); + char *result_end = result; + + status=pa_convertUTF32toUTF8(&utf32_start, utf32_end, (UTF8**)&result_end, (UTF8*)(result+MAX_IDNA_LENGTH-1), strictConversion); + + if(status != conversionOK) + throw Exception("idna decode", new String(in), "utf conversion failed (%d)", status); + + *result_end='\0'; + + if(!asked_charset.isUTF8()) + result = (char *)Charset::transcode(result, pa_UTF8_charset, asked_charset).cstr(); + + return result; +} /// must be last in this file #undef vsnprintf -int __vsnprintf(char* b, size_t s, const char* f, va_list l) { +int pa_vsnprintf(char* b, size_t s, const char* f, va_list l) { if(!s) return 0; int r; - // note: on win32& maybe somewhere else + // note: on win32 & maybe somewhere else // vsnprintf do not writes terminating 0 in 'buffer full' case, reducing + // http://stackoverflow.com/questions/2915672/snprintf-and-visual-studio-2010 --s; // clients do not check for negative 's', feature: ignore such prints @@ -969,22 +1091,16 @@ int __vsnprintf(char* b, size_t s, const return 0; #ifdef _MSC_VER - /* - win32: - mk:@MSITStore:C:\Program%20Files\Microsoft%20Visual%20Studio\MSDN\2001APR\1033\vccore.chm::/html/_crt__vsnprintf.2c_._vsnwprintf.htm - - if the number of bytes to write exceeds buffer, then count bytes are written and Ö1 is returned - */ + // win32: if the number of bytes to write exceeds buffer, then count bytes are written and -1 is returned r=_vsnprintf(b, s, f, l); if(r<0) r=s; #else r=vsnprintf(b, s, f, l); /* - solaris: - man vsnprintf + solaris: man vsnprintf - The snprintf() function returns the number of characters + The snprintf() function returns the number of characters formatted, that is, the number of characters that would have been written to the buffer if it were large enough. If the value of n is 0 on a call to snprintf(), an unspecified @@ -1000,378 +1116,11 @@ int __vsnprintf(char* b, size_t s, const return r; } -int __snprintf(char* b, size_t s, const char* f, ...) { +int pa_snprintf(char* b, size_t s, const char* f, ...) { va_list l; va_start(l, f); - int r=__vsnprintf(b, s, f, l); + int r=pa_vsnprintf(b, s, f, l); va_end(l); return r; } -/* mime64 functions are from libgmime[http://spruce.sourceforge.net/gmime/] lib */ -/* - * Authors: Michael Zucchi - * Jeffrey Stedfast - * - * Copyright 2000 Helix Code, Inc. (www.helixcode.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA. - * - */ -static const char *base64_alphabet = - "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - -/** - * g_mime_utils_base64_encode_step: - * @in: input stream - * @inlen: length of the input - * @out: output string - * @state: holds the number of bits that are stored in @save - * @save: leftover bits that have not yet been encoded - * - * Base64 encodes a chunk of data. Performs an 'encode step', only - * encodes blocks of 3 characters to the output at a time, saves - * left-over state in state and save (initialise to 0 on first - * invocation). - * - * Returns the number of bytes encoded. - **/ - -#define BASE64_GROUPS_IN_LINE 19 - -static size_t -g_mime_utils_base64_encode_step (const unsigned char *in, size_t inlen, unsigned char *out, int *state, int *save) -{ - register const unsigned char *inptr; - register unsigned char *outptr; - - if (inlen <= 0) - return 0; - - inptr = in; - outptr = out; - - if (inlen + ((unsigned char *)save)[0] > 2) { - const unsigned char *inend = in + inlen - 2; - register int c1 = 0, c2 = 0, c3 = 0; - register int already; - - already = *state; - - switch (((char *)save)[0]) { - case 1: c1 = ((unsigned char *)save)[1]; goto skip1; - case 2: c1 = ((unsigned char *)save)[1]; - c2 = ((unsigned char *)save)[2]; goto skip2; - } - - /* yes, we jump into the loop, no i'm not going to change it, its beautiful! */ - while (inptr < inend) { - c1 = *inptr++; - skip1: - c2 = *inptr++; - skip2: - c3 = *inptr++; - *outptr++ = base64_alphabet [c1 >> 2]; - *outptr++ = base64_alphabet [(c2 >> 4) | ((c1 & 0x3) << 4)]; - *outptr++ = base64_alphabet [((c2 & 0x0f) << 2) | (c3 >> 6)]; - *outptr++ = base64_alphabet [c3 & 0x3f]; - /* this is a bit ugly ... */ - if ((++already) >= BASE64_GROUPS_IN_LINE) { - *outptr++ = '\n'; - already = 0; - } - } - - ((unsigned char *)save)[0] = 0; - inlen = 2 - (inptr - inend); - *state = already; - } - - //d(printf ("state = %d, inlen = %d\n", (int)((char *)save)[0], inlen)); - - if (inlen > 0) { - register char *saveout; - - /* points to the slot for the next char to save */ - saveout = & (((char *)save)[1]) + ((char *)save)[0]; - - /* inlen can only be 0 1 or 2 */ - switch (inlen) { - case 2: *saveout++ = *inptr++; - case 1: *saveout++ = *inptr++; - } - *(char *)save = *(char *)save+(char)inlen; - } - - /*d(printf ("mode = %d\nc1 = %c\nc2 = %c\n", - (int)((char *)save)[0], - (int)((char *)save)[1], - (int)((char *)save)[2]));*/ - - return (outptr - out); -} - -/** - * g_mime_utils_base64_encode_close: - * @in: input stream - * @inlen: length of the input - * @out: output string - * @state: holds the number of bits that are stored in @save - * @save: leftover bits that have not yet been encoded - * - * Base64 encodes the input stream to the output stream. Call this - * when finished encoding data with g_mime_utils_base64_encode_step to - * flush off the last little bit. - * - * Returns the number of bytes encoded. - **/ -static size_t -g_mime_utils_base64_encode_close (const unsigned char *in, size_t inlen, unsigned char *out, int *state, int *save) -{ - unsigned char *outptr = out; - int c1, c2; - - if (inlen > 0) - outptr += g_mime_utils_base64_encode_step (in, inlen, outptr, state, save); - - c1 = ((unsigned char *)save)[1]; - c2 = ((unsigned char *)save)[2]; - - switch (((unsigned char *)save)[0]) { - case 2: - outptr[2] = base64_alphabet [(c2 & 0x0f) << 2]; - goto skip; - case 1: - outptr[2] = '='; - skip: - outptr[0] = base64_alphabet [c1 >> 2]; - outptr[1] = base64_alphabet [c2 >> 4 | ((c1 & 0x3) << 4)]; - outptr[3] = '='; - outptr += 4; - break; - } - - *outptr++ = 0; - - *save = 0; - *state = 0; - - return (outptr - out); -} - -static unsigned char gmime_base64_rank[256] = { - 255,255,255,255,255,255,255,255,255,254,254,255,255,254,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 254,255,255,255,255,255,255,255,255,255,255, 62,255,255,255, 63, - 52, 53, 54, 55, 56, 57, 58, 59, 60, 61,255,255,255, 0,255,255, - 255, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,255,255,255,255,255, - 255, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, - 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, -}; - -/** - * g_mime_utils_base64_decode_step: - * @in: input stream - * @inlen: max length of data to decode - * @out: output stream - * @state: holds the number of bits that are stored in @save - * @save: leftover bits that have not yet been decoded - * @strict: only base64 and whitespace chars are allowed - * - * Decodes a chunk of base64 encoded data. - * - * Returns the number of bytes decoded (which have been dumped in @out). - **/ -size_t -g_mime_utils_base64_decode_step(const unsigned char *in, size_t inlen, unsigned char *out, int *state, int *save, bool strict=false) -{ - const unsigned char *inptr; - unsigned char *outptr; - const unsigned char *inend; - int saved; - unsigned char c; - int i; - - inend = in + inlen; - outptr = out; - - /* convert 4 base64 bytes to 3 normal bytes */ - saved = *save; - i = *state; - inptr = in; - while (inptr < inend) { - c = gmime_base64_rank[*inptr++]; - switch(c) { - case 0xff: // non-base64 and non-whitespace chars. not allowed in strict mode - if(strict) - throw Exception(BASE64_FORMAT, 0, "Invalid base64 char on position %d is detected", inptr-in-1); - case 0xfe: // whitespace chars 0x09, 0x0A, 0x0D, 0x20 are allowed in any mode - break; - default: - saved = (saved << 6) | c; - i++; - if (i == 4) { - *outptr++ = (unsigned char)(saved >> 16); - *outptr++ = (unsigned char)(saved >> 8); - *outptr++ = (unsigned char)(saved); - i = 0; - } - } - } - - *save = saved; - *state = i; - - /* quick scan back for '=' on the end somewhere */ - /* fortunately we can drop 1 output char for each trailing = (upto 2) */ - i = 2; - while (inptr > in && i) { - inptr--; - if (gmime_base64_rank[*inptr] <= 0xfe) { - if (*inptr == '=' && outptr > out) - outptr--; - i--; - } - } - - /* if i != 0 then there is a truncation error! */ - return (outptr - out); -} - - -char* pa_base64_encode(const char *in, size_t in_size){ - size_t new_size = ((in_size / 3 + 1) * 4); - new_size += new_size / (BASE64_GROUPS_IN_LINE * 4)/*new lines*/ + 1/*zero terminator*/; - char* result = new(PointerFreeGC) char[new_size]; - int state=0; - int save=0; -#ifndef NDEBUG - size_t filled= -#endif - g_mime_utils_base64_encode_close ((const unsigned char*)in, in_size, (unsigned char*)result, &state, &save); - - //throw Exception(PARSER_RUNTIME, 0, "%d %d %d", in_size, new_size, filled); - assert(filled <= new_size); - - return result; -} - - -char* pa_base64_encode(const String& file_spec){ - unsigned char* base64=0; - File_base64_action_info info={&base64}; - - file_read_action_under_lock(file_spec, - "pa_base64_encode", file_base64_file_action, &info); - - return (char*)base64; -} - - -static void file_base64_file_action( - struct stat& finfo, - int f, - const String&, const char* /*fname*/, bool, - void *context) { - - if(finfo.st_size) { - File_base64_action_info& info=*static_cast(context); - *info.base64=new(PointerFreeGC) unsigned char[finfo.st_size * 2 + 6]; - unsigned char* base64 = *info.base64; - int state=0; - int save=0; - int nCount; - do { - unsigned char buffer[FILE_BUFFER_SIZE]; - nCount = file_block_read(f, buffer, sizeof(buffer)); - if( nCount ){ - size_t filled=g_mime_utils_base64_encode_step ((const unsigned char*)buffer, nCount, base64, &state, &save); - base64+=filled; - } - } while(nCount > 0); - g_mime_utils_base64_encode_close (0, 0, base64, &state, &save); - } -} - -void pa_base64_decode(const char *in, size_t in_size, char*& result, size_t& result_size, bool strict) { - // every 4 base64 bytes are converted into 3 normal bytes - // not full set (tail) of 4-bytes set is ignored - size_t new_size=in_size/4*3; - result=new(PointerFreeGC) char[new_size+1/*terminator*/]; - - int state=0; - int save=0; - result_size= - g_mime_utils_base64_decode_step ((const unsigned char*)in, in_size, - (unsigned char*)result, &state, &save, strict); - assert(result_size <= new_size); - result[result_size]=0; // for text files - - if(strict && state!=0) - throw Exception(BASE64_FORMAT, 0, "Unexpected end of chars"); -} - - -int file_block_read(const int f, unsigned char* buffer, const size_t size){ - int nCount = read(f, buffer, size); - if (nCount < 0) - throw Exception("file.read", - 0, - "read failed: %s (%d)", strerror(errno), errno); - return nCount; -} - -const unsigned long pa_crc32(const char *in, size_t in_size){ - unsigned long crc32=0xFFFFFFFF; - - InitCrc32Table(); - for(size_t i = 0; i(context); - if(finfo.st_size) { - InitCrc32Table(); - int nCount=0; - do { - unsigned char buffer[FILE_BUFFER_SIZE]; - nCount = file_block_read(f, buffer, sizeof(buffer)); - for(int i = 0; i < nCount; i++) CalcCrc32(buffer[i], crc32); - } while(nCount > 0); - } -} -