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| version 1.143.2.21.2.27, 2003/04/11 12:29:00 | version 1.165, 2003/11/19 08:20:02 |
|---|---|
| Line 19 static const char* IDENT_COMMON_C="$Date | Line 19 static const char* IDENT_COMMON_C="$Date |
| #ifdef PA_HTTP | #ifdef PA_HTTP |
| #include "pa_vstring.h" | #include "pa_vstring.h" |
| #include "pa_vint.h" | #include "pa_vint.h" |
| #include "pa_vhash.h" | |
| #include "pa_vtable.h" | |
| #ifdef CYGWIN | #ifdef CYGWIN |
| #define _GNU_H_WINDOWS32_SOCKETS | #define _GNU_H_WINDOWS32_SOCKETS |
| Line 62 int PASCAL closesocket(SOCKET); | Line 64 int PASCAL closesocket(SOCKET); |
| # endif | # endif |
| #endif | #endif |
| // locking constants | |
| //#define PA_DEBUG_NO_LOCKING | |
| #ifdef PA_DEBUG_NO_LOCKING | |
| #ifdef HAVE_FLOCK | |
| static int lock_shared_blocking(int fd) { return flock(fd, LOCK_SH); } | |
| static int lock_exclusive_blocking(int fd) { return flock(fd, LOCK_EX); } | |
| static int lock_exclusive_nonblocking(int fd) { return flock(fd, LOCK_EX || LOCK_NB); } | |
| static int unlock(int fd) { return flock(fd, LOCK_UN); } | |
| #else | |
| #ifdef HAVE__LOCKING | |
| #define FLOCK(operation) lseek(fd, 0, SEEK_SET); return _locking(fd, operation, 1) | |
| static int lock_shared_blocking(int fd) { FLOCK(_LK_LOCK); } | |
| static int lock_exclusive_blocking(int fd) { FLOCK(_LK_LOCK); } | |
| static int lock_exclusive_nonblocking(int fd) { FLOCK(_LK_NBLCK); } | |
| static int unlock(int fd) { FLOCK(_LK_UNLCK); } | |
| #else | |
| #ifdef HAVE_FCNTL | |
| #define FLOCK(cmd, arg) struct flock ls={arg, SEEK_SET}; return fcntl(fd, cmd, &ls) | |
| static int lock_shared_blocking(int fd) { FLOCK(F_SETLKW, F_RDLCK); } | |
| static int lock_exclusive_blocking(int fd) { FLOCK(F_SETLKW, F_WRLCK); } | |
| static int lock_exclusive_nonblocking(int fd) { FLOCK(F_SETLK, F_RDLCK); } | |
| static int unlock(int fd) { FLOCK(F_SETLK, F_UNLCK); } | |
| #else | |
| #ifdef HAVE_LOCKF | |
| #define FLOCK(fd, operation) lseek(fd, 0, SEEK_SET); return lockf(fd, operation, 1) | |
| static int lock_shared_blocking(int fd) { FLOCK(F_LOCK); } // on intel solaris man doesn't have doc on shared blocking | |
| static int lock_exclusive_blocking(int fd) { FLOCK(F_LOCK); } | |
| static int lock_exclusive_nonblocking(int fd) { FLOCK(F_TLOCK); } | |
| static int unlock(int fd) { FLOCK(F_TLOCK); } | |
| #else | |
| #error unable to find file locking func | |
| #endif | |
| #endif | |
| #endif | |
| #endif | |
| #else | |
| static int lock_shared_blocking(int fd) { return 0; } | |
| static int lock_exclusive_blocking(int fd) { return 0; } | |
| static int lock_exclusive_nonblocking(int fd) { return 0; } | |
| static int unlock(int fd) { return 0; } | |
| #endif | |
| // defines for globals | // defines for globals |
| #define FILE_STATUS_NAME "status" | #define FILE_STATUS_NAME "status" |
| Line 133 const String file_status_name(FILE_STATU | Line 79 const String file_status_name(FILE_STATU |
| #define HTTP_HEADERS_NAME "headers" | #define HTTP_HEADERS_NAME "headers" |
| #define HTTP_ANY_STATUS_NAME "any-status" | #define HTTP_ANY_STATUS_NAME "any-status" |
| #define HTTP_CHARSET_NAME "charset" | #define HTTP_CHARSET_NAME "charset" |
| #define HTTP_TABLES_NAME "tables" | |
| // statics | // statics |
| Line 141 static const String http_timeout_name(HT | Line 88 static const String http_timeout_name(HT |
| static const String http_headers_name(HTTP_HEADERS_NAME); | static const String http_headers_name(HTTP_HEADERS_NAME); |
| static const String http_any_status_name(HTTP_ANY_STATUS_NAME); | static const String http_any_status_name(HTTP_ANY_STATUS_NAME); |
| static const String http_charset_name(HTTP_CHARSET_NAME); | static const String http_charset_name(HTTP_CHARSET_NAME); |
| static const String http_tables_name(HTTP_TABLES_NAME); | |
| // defines | // defines |
| Line 168 void fix_line_breaks(char *str, size_t& | Line 116 void fix_line_breaks(char *str, size_t& |
| } else // \r, not \n = Macintosh | } else // \r, not \n = Macintosh |
| bol=eol+1; | bol=eol+1; |
| } | } |
| // last piece without \r, including terminating 0 | // last piece without \r |
| if(dest!=bol) | if(dest!=bol) |
| memcpy(dest, bol, eob-bol); | memcpy(dest, bol, eob-bol); |
| str[length]=0; // terminating | |
| } | } |
| char* file_read_text(Request_charsets& charsets, | char* file_read_text(Request_charsets& charsets, |
| Line 185 char* file_read_text(Request_charsets& c | Line 134 char* file_read_text(Request_charsets& c |
| #ifdef PA_HTTP | #ifdef PA_HTTP |
| //http request stuff | //http request stuff |
| #undef CRLF | |
| #define CRLF "\r\n" | |
| static bool set_addr(struct sockaddr_in *addr, const char* host, const short port){ | static bool set_addr(struct sockaddr_in *addr, const char* host, const short port){ |
| memset(addr, 0, sizeof(*addr)); | memset(addr, 0, sizeof(*addr)); |
| addr->sin_family=AF_INET; | addr->sin_family=AF_INET; |
| Line 208 static int http_read_response(String& re | Line 160 static int http_read_response(String& re |
| if(size<=0) | if(size<=0) |
| break; | break; |
| response.append_strdup(buf, size, String::L_TAINTED); | response.append_strdup(buf, size, String::L_TAINTED); |
| if(!result && (EOLat=response.pos("\r\n", 2))!=STRING_NOT_FOUND) { // checking status in first response | if(!result && (EOLat=response.pos(CRLF, 2))!=STRING_NOT_FOUND) { // checking status in first response |
| const String& status_line=response.mid(0, (size_t)EOLat); | const String& status_line=response.mid(0, (size_t)EOLat); |
| ArrayString astatus; | ArrayString astatus; |
| size_t pos_after=0; | size_t pos_after=0; |
| Line 325 static void http_pass_header(HashStringV | Line 277 static void http_pass_header(HashStringV |
| Http_pass_header_info *info) { | Http_pass_header_info *info) { |
| *info->request <<key<<": " | *info->request <<key<<": " |
| << attributed_meaning_to_string(*value, String::L_HTTP_HEADER, false) | << attributed_meaning_to_string(*value, String::L_HTTP_HEADER, false) |
| << "\n"; | << CRLF; |
| if(String(key, String::L_TAINTED).change_case(info->charsets->source(), String::CC_UPPER)=="USER-AGENT") | if(String(key, String::L_TAINTED).change_case(info->charsets->source(), String::CC_UPPER)=="USER-AGENT") |
| info->user_agent_specified=true; | info->user_agent_specified=true; |
| Line 333 static void http_pass_header(HashStringV | Line 285 static void http_pass_header(HashStringV |
| static Charset* detect_charset(Charset& source_charset, const String& content_type_value) { | static Charset* detect_charset(Charset& source_charset, const String& content_type_value) { |
| const StringBody CONTENT_TYPE_VALUE= | const String::Body CONTENT_TYPE_VALUE= |
| content_type_value.change_case(source_charset, String::CC_UPPER); | content_type_value.change_case(source_charset, String::CC_UPPER); |
| // content-type: xxx/xxx; source_charset=WE-NEED-THIS | // content-type: xxx/xxx; source_charset=WE-NEED-THIS |
| // content-type: xxx/xxx; source_charset="WE-NEED-THIS" | // content-type: xxx/xxx; source_charset="WE-NEED-THIS" |
| Line 355 static Charset* detect_charset(Charset& | Line 307 static Charset* detect_charset(Charset& |
| if(delim_pos!=STRING_NOT_FOUND) | if(delim_pos!=STRING_NOT_FOUND) |
| charset_end=delim_pos; | charset_end=delim_pos; |
| } | } |
| const StringBody CHARSET_NAME_BODY= | const String::Body CHARSET_NAME_BODY= |
| CONTENT_TYPE_VALUE.mid(charset_begin, charset_end); | CONTENT_TYPE_VALUE.mid(charset_begin, charset_end); |
| return &charsets.get(CHARSET_NAME_BODY); | return &charsets.get(CHARSET_NAME_BODY); |
| Line 371 struct File_read_http_result { | Line 323 struct File_read_http_result { |
| HashStringValue* headers; | HashStringValue* headers; |
| }; | }; |
| #endif | #endif |
| /// @todo build .cookies field. use ^file.tables.SET-COOKIES.menu{ for now | |
| static File_read_http_result file_read_http(Request_charsets& charsets, | static File_read_http_result file_read_http(Request_charsets& charsets, |
| const String& file_spec, | const String& file_spec, |
| HashStringValue *options=0) { | HashStringValue *options=0) { |
| Line 448 static File_read_http_result file_read_h | Line 401 static File_read_http_result file_read_h |
| request<<method; | request<<method; |
| else | else |
| request<<"GET"; | request<<"GET"; |
| request<< " "<< uri <<" HTTP/1.0\n" | request<< " "<< uri <<" HTTP/1.0" CRLF |
| "host: "<< host <<"\n"; | "host: "<< host << CRLF; |
| bool user_agent_specified=false; | bool user_agent_specified=false; |
| if(vheaders && !vheaders->is_string()) { // allow empty | if(vheaders && !vheaders->is_string()) { // allow empty |
| if(HashStringValue *headers=vheaders->get_hash()) { | if(HashStringValue *headers=vheaders->get_hash()) { |
| Line 462 static File_read_http_result file_read_h | Line 415 static File_read_http_result file_read_h |
| "headers param must be hash"); | "headers param must be hash"); |
| }; | }; |
| if(!user_agent_specified) // defaulting | if(!user_agent_specified) // defaulting |
| request << "user-agent: " DEFAULT_USER_AGENT "\n"; | request << "user-agent: " DEFAULT_USER_AGENT CRLF; |
| request<<"\n"; | request << CRLF; |
| request_cstr=request.cstr(String::L_UNSPECIFIED); | request_cstr=request.cstr(String::L_UNSPECIFIED); |
| } | } |
| Line 481 static File_read_http_result file_read_h | Line 434 static File_read_http_result file_read_h |
| timeout, fail_on_status_ne_200); | timeout, fail_on_status_ne_200); |
| //processing results | //processing results |
| size_t pos=response.pos("\r\n\r\n", 4); | size_t pos=response.pos(CRLF CRLF, 4); |
| if(pos==STRING_NOT_FOUND || pos<1) { | if(pos==STRING_NOT_FOUND || pos<1) { |
| throw Exception("http.response", | throw Exception("http.response", |
| &connect_string, | &connect_string, |
| Line 492 static File_read_http_result file_read_h | Line 445 static File_read_http_result file_read_h |
| ArrayString aheaders; | ArrayString aheaders; |
| result.headers=new HashStringValue; | result.headers=new HashStringValue; |
| VHash* vtables=new VHash; | |
| result.headers->put(http_tables_name, vtables); | |
| HashStringValue& tables=vtables->hash(); | |
| size_t pos_after=0; | size_t pos_after=0; |
| header_block.split(aheaders, pos_after, "\r\n"); | header_block.split(aheaders, pos_after, CRLF); |
| //processing headers | //processing headers |
| size_t aheaders_count=aheaders.count(); | size_t aheaders_count=aheaders.count(); |
| Line 505 static File_read_http_result file_read_h | Line 462 static File_read_http_result file_read_h |
| throw Exception("http.response", | throw Exception("http.response", |
| &connect_string, | &connect_string, |
| "bad response from host - bad header \"%s\"", line.cstr()); | "bad response from host - bad header \"%s\"", line.cstr()); |
| const StringBody HEADER_NAME= | const String::Body HEADER_NAME= |
| line.mid(0, pos).change_case(charsets.source(), String::CC_UPPER); | line.mid(0, pos).change_case(charsets.source(), String::CC_UPPER); |
| const String& header_value=line.mid(pos+2, line.length()); | const String& header_value=line.mid(pos+2, line.length()); |
| if(HEADER_NAME=="CONTENT-TYPE") | if(HEADER_NAME=="CONTENT-TYPE") |
| real_remote_charset=detect_charset(charsets.source(), header_value); | real_remote_charset=detect_charset(charsets.source(), header_value); |
| // tables | |
| { | |
| Value *valready=(Value *)tables.get(HEADER_NAME); | |
| bool existed=valready!=0; | |
| Table *table; | |
| if(existed) { | |
| // second+ appearence | |
| table=valready->get_table(); | |
| } else { | |
| // first appearence | |
| Table::columns_type columns =new ArrayString(1); | |
| *columns+=new String("value"); | |
| table=new Table(columns); | |
| } | |
| // this string becomes next row | |
| ArrayString& row=*new ArrayString(1); | |
| row+=&header_value; | |
| *table+=&row; | |
| // not existed before? add it | |
| if(!existed) | |
| tables.put(HEADER_NAME, new VTable(table)); | |
| } | |
| result.headers->put(HEADER_NAME, new VString(header_value)); | result.headers->put(HEADER_NAME, new VString(header_value)); |
| } | } |
| // defaulting to used-asked charset [it's never empty!] | // defaulting to used-asked charset [it's never empty!] |
| if(!real_remote_charset) | if(!real_remote_charset) |
| real_remote_charset=asked_remote_charset; | real_remote_charset=asked_remote_charset; |
| // todo: do that only if ^file::load[text | |
| // output response | // output response |
| String::C real_body=Charset::transcode( | String::C real_body=Charset::transcode( |
| String::C(raw_body.cstrm()/*must be modifiable*/, raw_body.length()), | String::C(raw_body.cstrm()/*must be modifiable*/, raw_body.length()), |
| Line 548 static void file_read_action( | Line 530 static void file_read_action( |
| 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) |
| throw Exception(0, | throw Exception(0, |
| &file_spec, | &file_spec, |
| "read failed: actually read %lu bytes count not in [0..%lu] valid range", | "read failed: actually read %l bytes count not in [0..%lu] valid range", |
| *info.data_size, to_read_size); | *info.data_size, to_read_size); |
| } else { // empty file | } else { // empty file |
| if(as_text) { | if(as_text) { |
| Line 574 File_read_result file_read(Request_chars | Line 556 File_read_result file_read(Request_chars |
| result.headers=http.headers; | result.headers=http.headers; |
| } else { | } else { |
| #endif | #endif |
| if(params && params->count()) | |
| throw Exception("parser.runtime", | |
| 0, | |
| "invalid option passed"); | |
| File_read_action_info info={&result.str, &result.length}; | File_read_action_info info={&result.str, &result.length}; |
| result.success=file_read_action_under_lock(file_spec, | result.success=file_read_action_under_lock(file_spec, |
| "read", file_read_action, &info, | "read", file_read_action, &info, |
| Line 586 File_read_result file_read(Request_chars | Line 573 File_read_result file_read(Request_chars |
| // UTF-8 signature: EF BB BF | // UTF-8 signature: EF BB BF |
| if(result.length>=3) { | if(result.length>=3) { |
| char *in=(char *)result.str; | char *in=(char *)result.str; |
| if(strncmp(in, "\xEB\xBB\xBF", 3)==0) { | if(strncmp(in, "\xEF\xBB\xBF", 3)==0) { |
| result.str=in+3; result.length-=3;// skip prefix | result.str=in+3; result.length-=3;// skip prefix |
| } | } |
| } | } |
| Line 634 bool file_read_action_under_lock(const S | Line 621 bool file_read_action_under_lock(const S |
| // later: it seems, even this does not help sometimes | // later: it seems, even this does not help sometimes |
| if((f=open(fname, O_RDONLY|(as_text?_O_TEXT:_O_BINARY)))>=0) { | if((f=open(fname, O_RDONLY|(as_text?_O_TEXT:_O_BINARY)))>=0) { |
| try { | try { |
| if(lock_shared_blocking(f)!=0) | if(pa_lock_shared_blocking(f)!=0) |
| throw Exception("file.lock", | throw Exception("file.lock", |
| &file_spec, | &file_spec, |
| "shared lock failed: %s (%d), actual filename '%s'", | "shared lock failed: %s (%d), actual filename '%s'", |
| Line 653 bool file_read_action_under_lock(const S | Line 640 bool file_read_action_under_lock(const S |
| action(finfo, f, file_spec, fname, as_text, context); | action(finfo, f, file_spec, fname, as_text, context); |
| } catch(...) { | } catch(...) { |
| unlock(f);close(f); | pa_unlock(f);close(f); |
| if(fail_on_read_problem) | if(fail_on_read_problem) |
| rethrow; | rethrow; |
| return false; | return false; |
| } | } |
| unlock(f);close(f); | pa_unlock(f);close(f); |
| return true; | return true; |
| } else { | } else { |
| if(fail_on_read_problem) | if(fail_on_read_problem) |
| Line 696 bool file_write_action_under_lock( | Line 683 bool file_write_action_under_lock( |
| O_CREAT|O_RDWR | O_CREAT|O_RDWR |
| |(as_text?_O_TEXT:_O_BINARY) | |(as_text?_O_TEXT:_O_BINARY) |
| |(do_append?O_APPEND:PA_O_TRUNC), 0664))>=0) { | |(do_append?O_APPEND:PA_O_TRUNC), 0664))>=0) { |
| if((do_block?lock_exclusive_blocking(f):lock_exclusive_nonblocking(f))!=0) { | if((do_block?pa_lock_exclusive_blocking(f):pa_lock_exclusive_nonblocking(f))!=0) { |
| Exception e("file.lock", | Exception e("file.lock", |
| &file_spec, | &file_spec, |
| "shared lock failed: %s (%d), actual filename '%s'", | "shared lock failed: %s (%d), actual filename '%s'", |
| Line 714 bool file_write_action_under_lock( | Line 701 bool file_write_action_under_lock( |
| if(!do_append) | if(!do_append) |
| ftruncate(f, lseek(f, 0, SEEK_CUR)); // one can not use O_TRUNC, read lower | ftruncate(f, lseek(f, 0, SEEK_CUR)); // one can not use O_TRUNC, read lower |
| #endif | #endif |
| unlock(f);close(f); | pa_unlock(f);close(f); |
| rethrow; | rethrow; |
| } | } |
| Line 722 bool file_write_action_under_lock( | Line 709 bool file_write_action_under_lock( |
| if(!do_append) | if(!do_append) |
| ftruncate(f, lseek(f, 0, SEEK_CUR)); // O_TRUNC truncates even exclusevely write-locked file [thanks to Igor Milyakov <virtan@rotabanner.com> for discovering] | ftruncate(f, lseek(f, 0, SEEK_CUR)); // O_TRUNC truncates even exclusevely write-locked file [thanks to Igor Milyakov <virtan@rotabanner.com> for discovering] |
| #endif | #endif |
| unlock(f);close(f); | pa_unlock(f);close(f); |
| return true; | return true; |
| } else | } else |
| throw Exception(errno==EACCES?"file.access":0, | throw Exception(errno==EACCES?"file.access":0, |
| Line 768 static void rmdir(const String& file_spe | Line 755 static void rmdir(const String& file_spe |
| rmdir(file_spec.mid(0, pos_after-1/* / */).cstr(String::L_FILE_SPEC)); | rmdir(file_spec.mid(0, pos_after-1/* / */).cstr(String::L_FILE_SPEC)); |
| } | } |
| bool file_delete(const String& file_spec, bool fail_on_read_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.cstr(String::L_FILE_SPEC); |
| if(unlink(fname)!=0) | if(unlink(fname)!=0) |
| if(fail_on_read_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, |
| &file_spec, | &file_spec, |
| "unlink failed: %s (%d), actual filename '%s'", | "unlink failed: %s (%d), actual filename '%s'", |
| Line 1101 int __snprintf(char* b, size_t s, const | Line 1088 int __snprintf(char* b, size_t s, const |
| va_end(l); | va_end(l); |
| return r; | return r; |
| } | } |
| int pa_sleep(unsigned long secs, unsigned long usecs) { | |
| for (; usecs >= 1000000; ++secs, usecs -= 1000000); | |
| #ifdef WIN32 | |
| Sleep(secs * 1000 + usecs / 1000); | |
| return 0; | |
| #else | |
| struct timeval t; | |
| t.tv_sec = secs; | |
| t.tv_usec = usecs; | |
| return (select(0, NULL, NULL, NULL, &t) == -1 ? errno : 0); | |
| #endif | |
| } | |