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| version 1.143.2.21.2.19, 2003/04/01 16:16:23 | version 1.143.2.21.2.24, 2003/04/08 14:46:27 |
|---|---|
| Line 144 static const String http_any_status_name | Line 144 static const String http_any_status_name |
| // functions | // functions |
| void fix_line_breaks(char* buf, size_t& size) { | void fix_line_breaks(char *str, size_t& length) { |
| if(size==0) | |
| return; | |
| //_asm int 3; | //_asm int 3; |
| const char* const eob=buf+size; | const char* const eob=str+length; |
| char* dest=buf; | char* dest=str; |
| // fix DOS: \r\n -> \n | // fix DOS: \r\n -> \n |
| // fix Macintosh: \r -> \n | // fix Macintosh: \r -> \n |
| char* bol=buf; | char* bol=str; |
| 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) |
| Line 163 void fix_line_breaks(char* buf, size_t& | Line 160 void fix_line_breaks(char* buf, size_t& |
| if(&eol[1]<eob && eol[1]=='\n') { // \r, \n = DOS | if(&eol[1]<eob && eol[1]=='\n') { // \r, \n = DOS |
| bol=eol+2; | bol=eol+2; |
| size--; | length--; |
| } else // \r, not \n = Macintosh | } else // \r, not \n = Macintosh |
| bol=eol+1; | bol=eol+1; |
| } | } |
| Line 232 static int http_read_response(String& re | Line 229 static int http_read_response(String& re |
| /* ********************** request *************************** */ | /* ********************** request *************************** */ |
| #if defined(SIGALRM) && defined(HAVE_SIGSETJMP) && defined(HAVE_SIGLONGJMP) | #if defined(SIGALRM) && defined(HAVE_SIGSETJMP) && defined(HAVE_SIGLONGJMP) |
| # define WE_CAN_USE_ALARM | # define PA_USE_ALARM |
| #endif | #endif |
| #ifdef WE_CAN_USE_ALARM | #ifdef PA_USE_ALARM |
| static sigjmp_buf timeout_env; | static sigjmp_buf timeout_env; |
| static void timeout_handler(int sig){ | static void timeout_handler(int sig){ |
| siglongjmp(timeout_env, 1); | siglongjmp(timeout_env, 1); |
| } | } |
| #endif | #endif |
| static int http_request( | static int http_request(String& response, |
| String& response, | |
| const char* host, int port, | const char* host, int port, |
| const char* request, | const char* request, |
| int timeout, | int timeout, |
| Line 253 static int http_request( | Line 249 static int http_request( |
| 0, | 0, |
| "zero hostname"); //never | "zero hostname"); //never |
| #ifdef WE_CAN_USE_ALARM | #ifdef PA_USE_ALARM |
| signal(SIGALRM, timeout_handler); | signal(SIGALRM, timeout_handler); |
| #endif | #endif |
| int sock=-1; | int sock=-1; |
| try { | #ifdef PA_USE_ALARM |
| int result; | if(sigsetjmp(timeout_env, 1)) { |
| #ifdef WE_CAN_USE_ALARM | // stupid gcc [2.95.4] generated bad code |
| if(sigsetjmp(timeout_env, 1)) | // which failed to handle sigsetjmp+throw: crashed inside of pre-throw code. |
| throw Exception("http.timeout", | // rewritten simplier [though duplicating closesocket code] |
| 0, | if(sock>=0) |
| "timeout occured while retrieving document"); | closesocket(sock); |
| else { | throw Exception("http.timeout", |
| alarm(timeout); | origin_string, |
| "timeout occured while retrieving document"); | |
| return 0; // never | |
| } else { | |
| alarm(timeout); | |
| #endif | #endif |
| try { | |
| int result; | |
| struct sockaddr_in dest; | struct sockaddr_in dest; |
| if(!set_addr(&dest, host, port)) | if(!set_addr(&dest, host, port)) |
| throw Exception("http.host", | throw Exception("http.host", |
| 0, | 0, |
| "can not resolve hostname \"%s\"", host); | "can not resolve hostname \"%s\"", host); |
| Line 290 static int http_request( | Line 292 static int http_request( |
| result=http_read_response(response, sock, fail_on_status_ne_200); | result=http_read_response(response, sock, fail_on_status_ne_200); |
| closesocket(sock); | closesocket(sock); |
| #ifdef WE_CAN_USE_ALARM | #ifdef PA_USE_ALARM |
| alarm(0); | alarm(0); |
| } | |
| #endif | #endif |
| return result; | return result; |
| } catch(...) { | } catch(...) { |
| if(sock>=0) | #ifdef PA_USE_ALARM |
| closesocket(sock); | alarm(0); |
| #ifdef WE_CAN_USE_ALARM | |
| alarm(0); | |
| #endif | #endif |
| rethrow; | if(sock>=0) |
| closesocket(sock); | |
| rethrow; | |
| } | |
| #ifdef PA_USE_ALARM | |
| } | } |
| #endif | |
| } | } |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| Line 486 File_read_result file_read(Charset& char | Line 490 File_read_result file_read(Charset& char |
| #ifdef PA_HTTP | #ifdef PA_HTTP |
| if(file_spec.starts_with("http://")) { | if(file_spec.starts_with("http://")) { |
| // fail on read problem | // fail on read problem |
| File_read_http_result http;//=file_read_http(charset, file_spec, params); | File_read_http_result http=file_read_http(charset, file_spec, params); |
| result.success=true; | result.success=true; |
| result.str="HELLO";//http.str; | result.str=http.str; |
| result.length=5;//http.length; | result.length=http.length; |
| result.headers=new HashStringValue;//http.headers; | result.headers=http.headers; |
| } else { | } else { |
| #endif | #endif |
| File_read_action_info info={&result.str, &result.length}; | File_read_action_info info={&result.str, &result.length}; |
| Line 505 File_read_result file_read(Charset& char | Line 509 File_read_result file_read(Charset& char |
| // 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((in[0] == '\xEF') && (in[1] == '\xBB') && | if(strncmp(in, "\xEB\xBB\xBF", 3)==0) { |
| (in[2] == '\xBF')) { | |
| result.str=in+3; result.length-=3;// skip prefix | result.str=in+3; result.length-=3;// skip prefix |
| } | } |
| } | } |
| Line 519 File_read_result file_read(Charset& char | Line 522 File_read_result file_read(Charset& char |
| return result; | return result; |
| } | } |
| #ifdef PA_SAFE_MODE | |
| void check_safe_mode(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()); | |
| } | |
| #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, |
| Line 551 bool file_read_action_under_lock(const S | Line 571 bool file_read_action_under_lock(const S |
| strerror(errno), errno, fname); | strerror(errno), errno, fname); |
| #ifdef PA_SAFE_MODE | #ifdef PA_SAFE_MODE |
| if(finfo.st_uid/*foreign?*/!=geteuid() | check_safe_mode(finfo, file_spec, fname); |
| && 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'", | |
| fname); | |
| #endif | #endif |
| action(finfo, f, file_spec, fname, as_text, context); | action(finfo, f, file_spec, fname, as_text, context); |