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| version 1.242, 2009/04/10 11:32:38 | version 1.261, 2010/07/05 01:08:24 |
|---|---|
| Line 67 const String file_status_name(FILE_STATU | Line 67 const String file_status_name(FILE_STATU |
| // functions | // 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; | |
| } | |
| void fix_line_breaks(char *str, size_t& length) { | void fix_line_breaks(char *str, size_t& length) { |
| //_asm int 3; | //_asm int 3; |
| const char* const eob=str+length; | const char* const eob=str+length; |
| Line 77 void fix_line_breaks(char *str, size_t& | Line 102 void fix_line_breaks(char *str, size_t& |
| while(char* eol=(char*)memchr(bol, '\r', eob -bol)) { | while(char* eol=(char*)memchr(bol, '\r', eob -bol)) { |
| size_t len=eol-bol; | size_t len=eol-bol; |
| if(dest!=bol) | if(dest!=bol) |
| memcpy(dest, bol, len); | memmove(dest, bol, len); |
| dest+=len; | dest+=len; |
| *dest++='\n'; | *dest++='\n'; |
| Line 89 void fix_line_breaks(char *str, size_t& | Line 114 void fix_line_breaks(char *str, size_t& |
| } | } |
| // last piece without \r | // last piece without \r |
| if(dest!=bol) | if(dest!=bol) |
| memcpy(dest, bol, eob-bol); | memmove(dest, bol, eob-bol); |
| str[length]=0; // terminating | str[length]=0; // terminating |
| } | } |
| Line 150 static void file_read_action( | Line 175 static void file_read_action( |
| lseek(f, info.offset, SEEK_SET); | lseek(f, info.offset, SEEK_SET); |
| *info.data=info.buf | *info.data=info.buf |
| ? info.buf | ? info.buf |
| : new(PointerFreeGC) char[to_read_size+(as_text?1:0)]; | : (char *)pa_malloc_atomic(to_read_size+1); |
| *info.data_size=(size_t)read(f, *info.data, to_read_size); | *info.data_size=(size_t)read(f, *info.data, to_read_size); |
| if(ssize_t(*info.data_size)<0 || *info.data_size>to_read_size) | if(ssize_t(*info.data_size)<0 || *info.data_size>to_read_size) |
| Line 160 static void file_read_action( | Line 185 static void file_read_action( |
| *info.data_size, to_read_size); | *info.data_size, to_read_size); |
| } else { // empty file | } 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 | // 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=new(PointerFreeGC) char[1]; | *info.data=(char *)pa_malloc_atomic(1); |
| *(char*)(*info.data)=0; | *(char*)(*info.data)=0; |
| *info.data_size=0; | *info.data_size=0; |
| return; | return; |
| Line 177 File_read_result file_read(Request_chars | Line 202 File_read_result file_read(Request_chars |
| if(valid_options!=params->count()) | if(valid_options!=params->count()) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "invalid option passed"); | INVALID_OPTION_PASSED); |
| } | } |
| File_read_action_info info={&result.str, &result.length, buf, offset, count}; | File_read_action_info info={&result.str, &result.length, buf, offset, count}; |
| Line 239 File_read_result file_load(Request& r, c | Line 264 File_read_result file_load(Request& r, c |
| return result; | return result; |
| } | } |
| #ifdef PA_SAFE_MODE | #ifdef PA_SAFE_MODE |
| void check_safe_mode(struct stat finfo, const String& file_spec, const char* fname) { | void check_safe_mode(struct stat finfo, const String& file_spec, const char* fname) { |
| if(finfo.st_uid/*foreign?*/!=geteuid() | if(finfo.st_uid/*foreign?*/!=geteuid() |
| && finfo.st_gid/*foreign?*/!=getegid()) | && finfo.st_gid/*foreign?*/!=getegid()) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, |
| Line 252 void check_safe_mode(struct stat finfo, | Line 278 void check_safe_mode(struct stat finfo, |
| "fuid(%d)!=euid(%d) or fgid(%d)!=egid(%d)", | "fuid(%d)!=euid(%d) or fgid(%d)!=egid(%d)", |
| fname, | fname, |
| finfo.st_uid, geteuid(), | finfo.st_uid, geteuid(), |
| finfo.st_gid, getegid()); | finfo.st_gid, getegid()); |
| } | } |
| #endif | #else |
| void check_safe_mode(struct stat, const String&, const char*) { | |
| } | |
| #endif | |
| bool file_read_action_under_lock(const String& file_spec, | bool file_read_action_under_lock(const String& file_spec, |
| const char* action_name, File_read_action action, void *context, | const char* action_name, File_read_action action, void *context, |
| bool as_text, | bool as_text, |
| bool fail_on_read_problem) { | bool fail_on_read_problem) { |
| const char* fname=file_spec.cstr(String::L_FILE_SPEC); | const char* fname=file_spec.taint_cstr(String::L_FILE_SPEC); |
| int f; | int f; |
| // first open, next stat: | // first open, next stat: |
| Line 281 bool file_read_action_under_lock(const S | Line 312 bool file_read_action_under_lock(const S |
| strerror(errno), errno, fname); | strerror(errno), errno, fname); |
| struct stat finfo; | struct stat finfo; |
| if(stat(fname, &finfo)!=0) | if(fstat(f, &finfo)!=0) |
| throw Exception("file.missing", // hardly possible: we just opened it OK | throw Exception("file.missing", // hardly possible: we just opened it OK |
| &file_spec, | &file_spec, |
| "stat failed: %s (%d), actual filename '%s'", | "stat failed: %s (%d), actual filename '%s'", |
| strerror(errno), errno, fname); | strerror(errno), errno, fname); |
| #ifdef PA_SAFE_MODE | |
| check_safe_mode(finfo, file_spec, fname); | check_safe_mode(finfo, file_spec, fname); |
| #endif | |
| action(finfo, f, file_spec, fname, as_text, context); | action(finfo, f, file_spec, fname, as_text, context); |
| } catch(...) { | } catch(...) { |
| Line 303 bool file_read_action_under_lock(const S | Line 332 bool file_read_action_under_lock(const S |
| return true; | return true; |
| } else { | } else { |
| if(fail_on_read_problem) | if(fail_on_read_problem) |
| throw Exception(errno==EACCES?"file.access":errno==ENOENT?"file.missing":0, | throw Exception(errno==EACCES?"file.access" |
| :(errno==ENOENT || errno==ENOTDIR || errno==ENODEV)?"file.missing":0, | |
| &file_spec, | &file_spec, |
| "%s failed: %s (%d), actual filename '%s'", | "%s failed: %s (%d), actual filename '%s'", |
| action_name, strerror(errno), errno, fname); | action_name, strerror(errno), errno, fname); |
| Line 315 void create_dir_for_file(const String& f | Line 345 void create_dir_for_file(const String& f |
| size_t pos_after=1; | size_t pos_after=1; |
| size_t pos_before; | size_t pos_before; |
| while((pos_before=file_spec.pos('/', pos_after))!=STRING_NOT_FOUND) { | while((pos_before=file_spec.pos('/', pos_after))!=STRING_NOT_FOUND) { |
| mkdir(file_spec.mid(0, pos_before).cstr(String::L_FILE_SPEC), 0775); | mkdir(file_spec.mid(0, pos_before).taint_cstr(String::L_FILE_SPEC), 0775); |
| pos_after=pos_before+1; | pos_after=pos_before+1; |
| } | } |
| } | } |
| Line 329 bool file_write_action_under_lock( | Line 359 bool file_write_action_under_lock( |
| bool do_append, | bool do_append, |
| bool do_block, | bool do_block, |
| bool fail_on_lock_problem) { | bool fail_on_lock_problem) { |
| const char* fname=file_spec.cstr(String::L_FILE_SPEC); | const char* fname=file_spec.taint_cstr(String::L_FILE_SPEC); |
| int f; | int f; |
| if(access(fname, W_OK)!=0) // no | if(access(fname, W_OK)!=0) // no |
| create_dir_for_file(file_spec); | create_dir_for_file(file_spec); |
| Line 350 bool file_write_action_under_lock( | Line 380 bool file_write_action_under_lock( |
| } | } |
| try { | try { |
| action(f, context); | #if (defined(HAVE_FCHMOD) && defined(PA_SAFE_MODE)) |
| struct stat finfo; | |
| if(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(...) { | } catch(...) { |
| #ifdef HAVE_FTRUNCATE | #ifdef HAVE_FTRUNCATE |
| if(!do_append) | if(!do_append) |
| Line 376 bool file_write_action_under_lock( | Line 411 bool file_write_action_under_lock( |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| struct File_write_action_info { | struct File_write_action_info { |
| const char* str; size_t length; | const char* str; |
| size_t length; | |
| }; | }; |
| #endif | #endif |
| static void file_write_action(int f, void *context) { | static void file_write_action(int f, void *context) { |
| Line 390 static void file_write_action(int f, voi | Line 426 static void file_write_action(int f, voi |
| } | } |
| } | } |
| void file_write( | void file_write( |
| const String& file_spec, | Request_charsets& charsets, |
| const char* data, size_t size, | const String& file_spec, |
| const char* data, | |
| size_t size, | |
| bool as_text, | bool as_text, |
| bool do_append) { | bool do_append, |
| Charset* asked_charset) { | |
| if(as_text && asked_charset){ | |
| String::C body=String::C(data, size); | |
| body=Charset::transcode(body, charsets.source(), *asked_charset); | |
| data=body.str; | |
| size=body.length; | |
| }; | |
| File_write_action_info info={data, size}; | File_write_action_info info={data, size}; |
| file_write_action_under_lock( | file_write_action_under_lock( |
| Line 405 void file_write( | Line 452 void file_write( |
| do_append); | do_append); |
| } | } |
| static size_t get_dir(char* fname, size_t helper_length){ | |
| bool dir=false; | |
| size_t pos=0; | |
| for(pos=helper_length; pos; pos--){ | |
| char c=fname[pos-1]; | |
| if(c=='/' || c=='\\'){ | |
| fname[pos-1]=0; | |
| dir=true; | |
| } else if(dir) break; | |
| } | |
| return pos; | |
| } | |
| static bool entry_readable(char* fname, bool need_dir) { | |
| if(need_dir){ | |
| size_t size=strlen(fname); | |
| while(size) { | |
| char c=fname[size-1]; | |
| if(c=='/' || c=='\\') | |
| fname[--size]=0; | |
| else | |
| break; | |
| } | |
| } | |
| struct stat finfo; | |
| if(access(fname, R_OK)==0 && 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); | |
| } | |
| // throws nothing! [this is required in file_move & file_delete] | // throws nothing! [this is required in file_move & file_delete] |
| static void rmdir(const String& file_spec, size_t pos_after) { | static void rmdir(const String& file_spec, size_t pos_after=0) { |
| size_t pos_before; | char* dir_spec=file_spec.taint_cstrm(String::L_FILE_SPEC); |
| if((pos_before=file_spec.pos('/', pos_after))!=STRING_NOT_FOUND) | size_t length=strlen(dir_spec); |
| rmdir(file_spec, pos_before+1); | while( (length=get_dir(dir_spec, length)) && (length > pos_after) ){ |
| #ifdef WIN32 | |
| rmdir(file_spec.mid(0, pos_after-1/* / */).cstr(String::L_FILE_SPEC)); | if(!entry_readable(dir_spec, true)) |
| break; | |
| DWORD attrs=GetFileAttributes(dir_spec); | |
| if( | |
| (attrs==INVALID_FILE_ATTRIBUTES) | |
| || !(attrs & FILE_ATTRIBUTE_DIRECTORY) | |
| || (attrs & FILE_ATTRIBUTE_REPARSE_POINT) | |
| ) | |
| break; | |
| #endif | |
| if( rmdir(dir_spec) ) | |
| break; | |
| }; | |
| } | } |
| bool file_delete(const String& file_spec, bool fail_on_problem) { | bool file_delete(const String& file_spec, bool fail_on_problem) { |
| const char* fname=file_spec.cstr(String::L_FILE_SPEC); | const char* fname=file_spec.taint_cstr(String::L_FILE_SPEC); |
| if(unlink(fname)!=0) | if(unlink(fname)!=0) |
| if(fail_on_problem) | if(fail_on_problem) |
| throw Exception(errno==EACCES?"file.access":errno==ENOENT?"file.missing":0, | throw Exception(errno==EACCES?"file.access":errno==ENOENT?"file.missing":0, |
| Line 430 bool file_delete(const String& file_spec | Line 526 bool file_delete(const String& file_spec |
| } | } |
| void file_move(const String& old_spec, const String& new_spec) { | void file_move(const String& old_spec, const String& new_spec) { |
| const char* old_spec_cstr=old_spec.cstr(String::L_FILE_SPEC); | const char* old_spec_cstr=old_spec.taint_cstr(String::L_FILE_SPEC); |
| const char* new_spec_cstr=new_spec.cstr(String::L_FILE_SPEC); | const char* new_spec_cstr=new_spec.taint_cstr(String::L_FILE_SPEC); |
| create_dir_for_file(new_spec); | create_dir_for_file(new_spec); |
| Line 454 bool entry_exists(const char* fname, str | Line 550 bool entry_exists(const char* fname, str |
| } | } |
| bool entry_exists(const String& file_spec) { | bool entry_exists(const String& file_spec) { |
| const char* fname=file_spec.cstr(String::L_FILE_SPEC); | const char* fname=file_spec.taint_cstr(String::L_FILE_SPEC); |
| return entry_exists(fname, 0); | return entry_exists(fname, 0); |
| } | } |
| static bool entry_readable(const String& file_spec, bool need_dir) { | |
| char* fname=file_spec.cstrm(String::L_FILE_SPEC); | |
| if(need_dir) { | |
| size_t size=strlen(fname); | |
| while(size) { | |
| char c=fname[size-1]; | |
| if(c=='/' || c=='\\') | |
| fname[--size]=0; | |
| else | |
| break; | |
| } | |
| } | |
| struct stat finfo; | |
| if(access(fname, R_OK)==0 && entry_exists(fname, &finfo)) { | |
| bool is_dir=(finfo.st_mode&S_IFDIR) != 0; | |
| return is_dir==need_dir; | |
| } | |
| return false; | |
| } | |
| bool file_exist(const String& file_spec) { | bool file_exist(const String& file_spec) { |
| return entry_readable(file_spec, false); | return entry_readable(file_spec, false); |
| } | } |
| Line 494 const String* file_exist(const String& p | Line 570 const String* file_exist(const String& p |
| } | } |
| bool file_executable(const String& file_spec) { | bool file_executable(const String& file_spec) { |
| return access(file_spec.cstr(String::L_FILE_SPEC), X_OK)==0; | return access(file_spec.taint_cstr(String::L_FILE_SPEC), X_OK)==0; |
| } | } |
| bool file_stat(const String& file_spec, | bool file_stat(const String& file_spec, |
| Line 503 bool file_stat(const String& file_spec, | Line 579 bool file_stat(const String& file_spec, |
| time_t& rmtime, | time_t& rmtime, |
| time_t& rctime, | time_t& rctime, |
| bool fail_on_read_problem) { | bool fail_on_read_problem) { |
| const char* fname=file_spec.cstr(String::L_FILE_SPEC); | const char* fname=file_spec.taint_cstr(String::L_FILE_SPEC); |
| struct stat finfo; | struct stat finfo; |
| if(stat(fname, &finfo)!=0) | if(stat(fname, &finfo)!=0) |
| if(fail_on_read_problem) | if(fail_on_read_problem) |
| Line 683 enum EscapeState { | Line 759 enum EscapeState { |
| }; | }; |
| // @todo prescan for reduce required size (unescaped sting in 1 byte charset requires less memory usually) | // @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 ignore_plus){ | 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* s=new(PointerFreeGC) char[len+1]; // must be enough (%uXXXX==6 bytes, max utf-8 char length==6 bytes) |
| char* dst=s; | char* dst=s; |
| EscapeState escapeState=EscapeRest; | EscapeState escapeState=EscapeRest; |
| Line 692 char* unescape_chars(const char* cp, int | Line 768 char* unescape_chars(const char* cp, int |
| short int jsCnt=0; | short int jsCnt=0; |
| while(srcPos<len){ | while(srcPos<len){ |
| uchar c=(uchar)cp[srcPos]; | uchar c=(uchar)cp[srcPos]; |
| if(c=='%'){ | if(c=='%' || (c=='\\' && js)){ |
| escapeState=EscapeFirst; | escapeState=EscapeFirst; |
| } else { | } else { |
| switch(escapeState) { | switch(escapeState) { |
| case EscapeRest: | case EscapeRest: |
| if(!ignore_plus && c=='+'){ | if(!js && c=='+'){ |
| *dst++=' '; | *dst++=' '; |
| } else { | } else { |
| *dst++=c; | *dst++=c; |
| Line 796 size_t strpos(const char *str, const cha | Line 872 size_t strpos(const char *str, const cha |
| // content-type: xxx; charset="WE-NEED-THIS"; | // content-type: xxx; charset="WE-NEED-THIS"; |
| Charset* detect_charset(const char* content_type){ | Charset* detect_charset(const char* content_type){ |
| if(content_type){ | if(content_type){ |
| size_t len=strlen(content_type); | char* CONTENT_TYPE=pa_strdup(content_type); |
| char* CONTENT_TYPE=new(PointerFreeGC) char[len+1]; | |
| memcpy(CONTENT_TYPE, content_type, len); | |
| for(char *p=CONTENT_TYPE; *p; p++) | for(char *p=CONTENT_TYPE; *p; p++) |
| *p=(char)toupper((unsigned char)*p); | *p=(char)toupper((unsigned char)*p); |
| Line 813 Charset* detect_charset(const char* cont | Line 888 Charset* detect_charset(const char* cont |
| if(!end) | if(!end) |
| end=(char*)strchr(begin, ';'); | end=(char*)strchr(begin, ';'); |
| size_t len; | if(end) |
| if(end){ | |
| *end=0; // terminator | *end=0; // terminator |
| len=end-begin; | |
| } else { | |
| len=strlen(begin); | |
| } | |
| String::Body NAME=String::Body(begin, len); | |
| return &charsets.get(NAME); | |
| } | |
| } | |
| return 0; | |
| } | |
| Charset* detect_charset(Charset& source_charset, const String& content_type){ | return *begin?&charsets.get(begin):0; |
| const String& CONTENT_TYPE=content_type.change_case(source_charset, String::CC_UPPER); | |
| size_t begin=CONTENT_TYPE.pos("CHARSET="); | |
| if(begin!=STRING_NOT_FOUND) { | |
| begin+=8; // skip "CHARSET=" | |
| size_t end=STRING_NOT_FOUND; | |
| if(CONTENT_TYPE.pos('"', begin)==begin){ | |
| begin++; | |
| end=CONTENT_TYPE.pos('"', begin); | |
| } else if(CONTENT_TYPE.pos('\'', begin)==begin){ | |
| begin++; | |
| end=CONTENT_TYPE.pos('\'', begin); | |
| } | } |
| if(end==STRING_NOT_FOUND) | |
| end=CONTENT_TYPE.pos(';', begin); | |
| if(end==STRING_NOT_FOUND) | |
| end=CONTENT_TYPE.length(); | |
| const String::Body NAME=CONTENT_TYPE.mid(begin, end); | |
| return &charsets.get(NAME); | |
| } | } |
| return 0; | return 0; |
| } | } |
| Line 1003 static char *base64_alphabet = | Line 1045 static char *base64_alphabet = |
| * | * |
| * Returns the number of bytes encoded. | * Returns the number of bytes encoded. |
| **/ | **/ |
| #define BASE64_GROUPS_IN_LINE 19 | |
| static size_t | static size_t |
| g_mime_utils_base64_encode_step (const unsigned char *in, size_t inlen, unsigned char *out, int *state, int *save) | g_mime_utils_base64_encode_step (const unsigned char *in, size_t inlen, unsigned char *out, int *state, int *save) |
| { | { |
| Line 1040 g_mime_utils_base64_encode_step (const u | Line 1085 g_mime_utils_base64_encode_step (const u |
| *outptr++ = base64_alphabet [((c2 & 0x0f) << 2) | (c3 >> 6)]; | *outptr++ = base64_alphabet [((c2 & 0x0f) << 2) | (c3 >> 6)]; |
| *outptr++ = base64_alphabet [c3 & 0x3f]; | *outptr++ = base64_alphabet [c3 & 0x3f]; |
| /* this is a bit ugly ... */ | /* this is a bit ugly ... */ |
| if ((++already) >= 19) { | if ((++already) >= BASE64_GROUPS_IN_LINE) { |
| *outptr++ = '\n'; | *outptr++ = '\n'; |
| already = 0; | already = 0; |
| } | } |
| Line 1206 g_mime_utils_base64_decode_step (const u | Line 1251 g_mime_utils_base64_decode_step (const u |
| char* pa_base64_encode(const char *in, size_t in_size){ | char* pa_base64_encode(const char *in, size_t in_size){ |
| /* wont go to more than 2x size (overly conservative) */ | size_t new_size = ((in_size / 3 + 1) * 4); |
| char* result=new(PointerFreeGC) char[in_size * 2 + 6]; | 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 state=0; |
| int save=0; | int save=0; |
| #ifndef NDEBUG | #ifndef NDEBUG |
| size_t filled= | size_t filled= |
| #endif | #endif |
| g_mime_utils_base64_encode_close ((const unsigned char*)in, in_size, | g_mime_utils_base64_encode_close ((const unsigned char*)in, in_size, (unsigned char*)result, &state, &save); |
| (unsigned char*)result, &state, &save); | |
| assert(filled <= in_size * 2 + 6); | //throw Exception(PARSER_RUNTIME, 0, "%d %d %d", in_size, new_size, filled); |
| assert(filled <= new_size); | |
| return result; | return result; |
| } | } |
| Line 1312 static void file_crc32_file_action( | Line 1359 static void file_crc32_file_action( |
| } | } |
| } | } |
| char* print_pcre_exec_error_text(int exec_result){ | |
| switch(exec_result){ | |
| case PCRE_ERROR_BADUTF8: | |
| case PCRE_ERROR_BADUTF8_OFFSET: | |
| return "validation of UTF-8 string failed while pcre_exec (%d)."; | |
| break; | |
| default: | |
| return "regular expression execute error (%d)"; | |
| } | |
| } | |