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| version 1.143.2.3, 2003/01/24 14:36:10 | version 1.143.2.6, 2003/01/27 17:17:06 |
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| Line 12 static const char* IDENT_COMMON_C="$Date | Line 12 static const char* IDENT_COMMON_C="$Date |
| #include "pa_globals.h" | #include "pa_globals.h" |
| #include "pa_hash.h" | #include "pa_hash.h" |
| #include "pa_vstring.h" | #include "pa_vstring.h" |
| #include "pa_vint.h" | |
| #ifdef WIN32 | #ifdef WIN32 |
| # include <windows.h> | # include <windows.h> |
| Line 118 char* file_read_text(Pool& pool, Charset | Line 119 char* file_read_text(Pool& pool, Charset |
| ConstStringPtr file_spec, | ConstStringPtr file_spec, |
| bool fail_on_read_problem, | bool fail_on_read_problem, |
| HashStringValue *params, HashStringValue** out_fields) { | HashStringValue *params, HashStringValue** out_fields) { |
| void *result; size_t size; | char *result; size_t size; |
| return file_read(pool, charset, file_spec, result, size, true, params, out_fields, fail_on_read_problem)? | File_read_result file_read_result=file_read(pool, charset, file_spec, result, size, true, params, out_fields, fail_on_read_problem); |
| (char *)result:0; | return file_read_result.success?result:0; |
| } | } |
| //http request stuff | //http request stuff |
| Line 258 struct Http_pass_header_info { | Line 259 struct Http_pass_header_info { |
| static void http_pass_header(HashStringValue::key_type key, HashStringValue::value_type value, | static void http_pass_header(HashStringValue::key_type key, HashStringValue::value_type value, |
| Http_pass_header_info *info) { | Http_pass_header_info *info) { |
| *(info->request)<<*key<<": " | *(info->request)<<*key<<": " |
| << *attributed_meaning_to_string(value, String::UL_HTTP_HEADER, false) | << attributed_meaning_to_string(value, String::UL_HTTP_HEADER, false) |
| <<"\n"; | <<"\n"; |
| if(*key->change_case(*info->pool, *info->charset, String::CC_UPPER)=="USER-AGENT") | if(*key->change_case(*info->pool, *info->charset, String::CC_UPPER)=="USER-AGENT") |
| info->user_agent_specified=true; | info->user_agent_specified=true; |
| } | } |
| static HashStringValuePtr file_read_http(Pool& pool, Charset& charset, const String& file_spec, | static HashStringValuePtr file_read_http(Pool& pool, Charset& charset, ConstStringPtr file_spec, |
| char*& data, size_t& data_size, | char*& data, size_t& data_size, |
| HashStringValue *options=0, bool return_outfields=false) { | HashStringValue *options=0, bool return_outfields=false) { |
| HashStringValuePtr result(0); | HashStringValuePtr result(0); |
| char host[MAX_STRING]; | char host[MAX_STRING]; |
| const char* uri; | const char* uri; |
| int port; | int port; |
| ConstCharPtr method(0); | CharPtr method(0); |
| int timeout=2; | int timeout=2; |
| bool fail_on_status_ne_200=true; | bool fail_on_status_ne_200=true; |
| ValuePtr vheaders(0); | ValuePtr vheaders(0); |
| StringPtr connect_string(new String()); | StringPtr connect_string(new String()); |
| // not in ^sql{... UL_SQL ...} spirit, but closer to ^file::load one | // not in ^sql{... UL_SQL ...} spirit, but closer to ^file::load one |
| connect_string->append(file_spec, String::UL_URI); // tainted pieces -> URI pieces | connect_string->append(*file_spec, String::UL_URI); // tainted pieces -> URI pieces |
| CharPtr connect_string_cstr=connect_string->cstr(String::UL_UNSPECIFIED); | CharPtr connect_string_cstr=connect_string->cstr(String::UL_UNSPECIFIED); |
| const char *current=connect_string_cstr.get(); | const char *current=connect_string_cstr; |
| if(strncmp(current, "http://", 7)!=0) | if(strncmp(current, "http://", 7)!=0) |
| throw Exception(0, | throw Exception(0, |
| connect_string, | connect_string, |
| Line 322 static HashStringValuePtr file_read_http | Line 323 static HashStringValuePtr file_read_http |
| //making request | //making request |
| String request; | String request; |
| if(method) | if(method) |
| request<<method.get(); | request<<method; |
| else | else |
| request<<"GET"; | request<<"GET"; |
| request<< " "<< uri <<" HTTP/1.0\nHost: "<< host<<"\n"; | request<< " "<< uri <<" HTTP/1.0\nHost: "<< host<<"\n"; |
| Line 343 static HashStringValuePtr file_read_http | Line 344 static HashStringValuePtr file_read_http |
| //sending request | //sending request |
| String response; | String response; |
| ConstCharPtr request_cstr=request.cstr(String::UL_UNSPECIFIED); | CharPtr request_cstr=request.cstr(String::UL_UNSPECIFIED); |
| int status_code=http_request(pool, response, | int status_code=http_request(pool, response, |
| connect_string, host, port, request_cstr.get(), | connect_string, host, port, request_cstr, |
| timeout, fail_on_status_ne_200); | timeout, fail_on_status_ne_200); |
| //processing results | //processing results |
| Line 380 static HashStringValuePtr file_read_http | Line 381 static HashStringValuePtr file_read_http |
| data=new(pool) char[data_size=body->size()]; | data=new(pool) char[data_size=body->size()]; |
| body->store_to(data, String::UL_AS_IS); | body->store_to(data, String::UL_AS_IS); |
| if(return_outfields) { | if(return_outfields) { |
| headers.put(file_status_name, VIntPtr<new VInt(pool, status_code)>); | headers->put(file_status_name, ValuePtr(new VInt(status_code))); |
| *out_fields=&headers; | return headers; |
| } | } else |
| return HashStringValuePtr(0); | |
| return result; | |
| } | } |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| struct File_read_action_info { | struct File_read_action_info { |
| void **data; size_t *data_size; | char **data; size_t *data_size; |
| }; | }; |
| #endif | #endif |
| static void file_read_action( | static void file_read_action(Pool& pool, |
| struct stat& finfo, | struct stat& finfo, |
| int f, | int f, |
| const String& file_spec, const char* fname, bool as_text, | ConstStringPtr file_spec, const char* fname, bool as_text, |
| void *context) { | void *context) { |
| File_read_action_info& info=*static_cast<File_read_action_info *>(context); | File_read_action_info& info=*static_cast<File_read_action_info *>(context); |
| if(size_t to_read_size=(size_t)finfo.st_size) { | if(size_t to_read_size=(size_t)finfo.st_size) { |
| *info.data=pool.malloc(to_read_size+(as_text?1:0), 3); | *info.data=pool.malloc(to_read_size+(as_text?1:0)); |
| *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) |
| 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 %lu 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 |
| Line 417 static void file_read_action( | Line 417 static void file_read_action( |
| return; | return; |
| } | } |
| } | } |
| bool file_read(ConstStringPtr file_spec, | File_read_result file_read(Pool& pool, Charset& charset, ConstStringPtr file_spec, |
| void*& data, size_t& data_size, | char*& data, size_t& data_size, |
| bool as_text, HashStringValue *params, HashStringValue** out_fields, | bool as_text, HashStringValue *params, HashStringValue** out_fields, |
| bool fail_on_read_problem) { | bool fail_on_read_problem) { |
| bool result; | File_read_result result; |
| if(file_spec.starts_with("http://", 7)) { | if(file_spec->starts_with("http://", 7)) { |
| // fail on read problem | // fail on read problem |
| file_read_http(pool, file_spec, data, data_size, params, out_fields); | result.fields=file_read_http(pool, charset, file_spec, data, data_size, params); |
| result=true; | result.success=true; |
| } else { | } else { |
| File_read_action_info info={&data, &data_size}; | File_read_action_info info={&data, &data_size}; |
| result=file_read_action_under_lock(pool, file_spec, | result.success=file_read_action_under_lock(pool, file_spec, |
| "read", file_read_action, &info, | "read", file_read_action, &info, |
| as_text, fail_on_read_problem); | as_text, fail_on_read_problem); |
| } | } |
| if(result && as_text) { | if(result.success && as_text) { |
| // UTF-8 signature: EF BB BF | // UTF-8 signature: EF BB BF |
| if(data_size>=3) { | if(data_size>=3) { |
| char *in=(char *)data; | char *in=(char *)data; |
| Line 451 bool file_read(ConstStringPtr file_spec, | Line 451 bool file_read(ConstStringPtr file_spec, |
| return result; | return result; |
| } | } |
| bool file_read_action_under_lock(const String& file_spec, | bool file_read_action_under_lock(Pool& pool, ConstStringPtr 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::UL_FILE_SPEC); | CharPtr fname=file_spec->cstr(String::UL_FILE_SPEC); |
| int f; | int f; |
| // first open, next stat: | // first open, next stat: |
| Line 471 bool file_read_action_under_lock(const S | Line 471 bool file_read_action_under_lock(const S |
| try { | try { |
| if(lock_shared_blocking(f)!=0) | if(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'", |
| strerror(errno), errno, fname); | strerror(errno), errno, fname); |
| struct stat finfo; | struct stat finfo; |
| if(stat(fname, &finfo)!=0) | if(stat(fname, &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); |
| Line 486 bool file_read_action_under_lock(const S | Line 486 bool file_read_action_under_lock(const S |
| 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", |
| &file_spec, | 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'", | "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); | fname); |
| #endif | #endif |
| Line 504 bool file_read_action_under_lock(const S | Line 504 bool file_read_action_under_lock(const S |
| } 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?"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); |
| return false; | return false; |
| } | } |
| } | } |
| static void create_dir_for_file(const String& file_spec) { | static void create_dir_for_file(ConstStringPtr file_spec) { |
| size_t pos_after=1; | size_t pos_after=1; |
| int pos_before; | int pos_before; |
| while((pos_before=file_spec.pos("/", 1, pos_after))>=0) { | while((pos_before=file_spec->pos("/", 1, pos_after))>=0) { |
| mkdir(file_spec.mid(0, pos_before).cstr(String::UL_FILE_SPEC), 0775); | mkdir(file_spec->mid(0, pos_before)->cstr(String::UL_FILE_SPEC), 0775); |
| pos_after=pos_before+1; | pos_after=pos_before+1; |
| } | } |
| } | } |
| bool file_write_action_under_lock( | bool file_write_action_under_lock( |
| const String& file_spec, | ConstStringPtr file_spec, |
| const char* action_name, File_write_action action, void *context, | const char* action_name, File_write_action action, void *context, |
| bool as_text, | bool as_text, |
| 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::UL_FILE_SPEC); | CharPtr fname=file_spec->cstr(String::UL_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 538 bool file_write_action_under_lock( | Line 538 bool file_write_action_under_lock( |
| |(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?lock_exclusive_blocking(f):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'", |
| strerror(errno), errno, fname); | strerror(errno), errno, fname); |
| close(f); | close(f); |
| Line 566 bool file_write_action_under_lock( | Line 566 bool file_write_action_under_lock( |
| return true; | return true; |
| } else | } else |
| throw Exception(errno==EACCES?"file.access":0, | throw Exception(errno==EACCES?"file.access":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); |
| // here should be nothing, see rethrow above | // here should be nothing, see rethrow above |
| Line 583 static void file_write_action(int f, voi | Line 583 static void file_write_action(int f, voi |
| int written=write(f, info.data, info.size); | int written=write(f, info.data, info.size); |
| if(written<0) | if(written<0) |
| throw Exception(0, | throw Exception(0, |
| 0, | Exception::undefined_source, |
| "write failed: %s (%d)", strerror(errno), errno); | "write failed: %s (%d)", strerror(errno), errno); |
| } | } |
| } | } |
| void file_write( | void file_write( |
| const String& file_spec, | ConstStringPtr file_spec, |
| const void *data, size_t size, | const void *data, size_t size, |
| bool as_text, | bool as_text, |
| bool do_append) { | bool do_append) { |
| File_write_action_info info={data, size}; | File_write_action_info info={data, size}; |
| file_write_action_under_lock( | file_write_action_under_lock( |
| file_spec, | file_spec, |
| "write", file_write_action, &info, | "write", file_write_action, &info, |
| as_text, | as_text, |
| do_append); | do_append); |
| } | } |
| // 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(ConstStringPtr file_spec, size_t pos_after) { |
| int pos_before; | int pos_before; |
| if((pos_before=file_spec.pos("/", 1, pos_after))>=0) | if((pos_before=file_spec->pos("/", 1, pos_after))>=0) |
| rmdir(file_spec, pos_before+1); | rmdir(file_spec, pos_before+1); |
| rmdir(file_spec.mid(0, pos_after-1/* / */).cstr(String::UL_FILE_SPEC)); | rmdir(file_spec->mid(0, pos_after-1/* / */)->cstr(String::UL_FILE_SPEC)); |
| } | } |
| bool file_delete(const String& file_spec, bool fail_on_read_problem) { | bool file_delete(ConstStringPtr file_spec, bool fail_on_read_problem) { |
| const char* fname=file_spec.cstr(String::UL_FILE_SPEC); | CharPtr fname=file_spec->cstr(String::UL_FILE_SPEC); |
| if(unlink(fname)!=0) | if(unlink(fname)!=0) |
| 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?"file.missing":0, |
| &file_spec, | file_spec, |
| "unlink failed: %s (%d), actual filename '%s'", | "unlink failed: %s (%d), actual filename '%s'", |
| strerror(errno), errno, fname); | strerror(errno), errno, fname); |
| else | else |
| Line 622 bool file_delete(const String& file_spec | Line 622 bool file_delete(const String& file_spec |
| rmdir(file_spec, 1); | rmdir(file_spec, 1); |
| return true; | return true; |
| } | } |
| void file_move(const String& old_spec, const String& new_spec) { | void file_move(ConstStringPtr old_spec, ConstStringPtr new_spec) { |
| const char* old_spec_cstr=old_spec.cstr(String::UL_FILE_SPEC); | CharPtr old_spec_cstr=old_spec->cstr(String::UL_FILE_SPEC); |
| const char* new_spec_cstr=new_spec.cstr(String::UL_FILE_SPEC); | CharPtr new_spec_cstr=new_spec->cstr(String::UL_FILE_SPEC); |
| create_dir_for_file(new_spec); | create_dir_for_file(new_spec); |
| if(rename(old_spec_cstr, new_spec_cstr)!=0) | if(rename(old_spec_cstr, new_spec_cstr)!=0) |
| throw Exception(errno==EACCES?"file.access":errno==ENOENT?"file.missing":0, | throw Exception(errno==EACCES?"file.access":errno==ENOENT?"file.missing":0, |
| &old_spec, | old_spec, |
| "rename failed: %s (%d), actual filename '%s' to '%s'", | "rename failed: %s (%d), actual filename '%s' to '%s'", |
| strerror(errno), errno, old_spec_cstr, new_spec_cstr); | strerror(errno), errno, old_spec_cstr, new_spec_cstr); |
| Line 646 bool entry_exists(const char* fname, str | Line 646 bool entry_exists(const char* fname, str |
| return result; | return result; |
| } | } |
| bool entry_exists(const String& file_spec) { | bool entry_exists(ConstStringPtr file_spec) { |
| const char* fname=file_spec.cstr(String::UL_FILE_SPEC); | CharPtr fname=file_spec->cstr(String::UL_FILE_SPEC); |
| return entry_exists(fname, 0); | return entry_exists(fname, 0); |
| } | } |
| static bool entry_readable(const String& file_spec, bool need_dir) { | static bool entry_readable(ConstStringPtr file_spec, bool need_dir) { |
| char* fname=file_spec.cstr(String::UL_FILE_SPEC); | CharPtr fname=file_spec->cstr(String::UL_FILE_SPEC); |
| if(need_dir) { | if(need_dir) { |
| size_t size=strlen(fname); | size_t size=strlen(fname); |
| while(size) { | while(size) { |
| Line 670 static bool entry_readable(const String& | Line 670 static bool entry_readable(const String& |
| } | } |
| return false; | return false; |
| } | } |
| bool file_readable(const String& file_spec) { | bool file_readable(ConstStringPtr file_spec) { |
| return entry_readable(file_spec, false); | return entry_readable(file_spec, false); |
| } | } |
| bool dir_readable(const String& file_spec) { | bool dir_readable(ConstStringPtr file_spec) { |
| return entry_readable(file_spec, true); | return entry_readable(file_spec, true); |
| } | } |
| String *file_readable(const String& path, const String& name) { | ConstStringPtr file_readable(ConstStringPtr path, const String& name) { |
| String *result=new(path.pool()) String(path); | StringPtr result(new String(*path)); |
| *result << "/"; | *result << "/"; |
| *result << name; | *result << name; |
| return file_readable(*result)?result:0; | return file_readable(result)?result:ConstStringPtrZero; |
| } | } |
| bool file_executable(const String& file_spec) { | bool file_executable(ConstStringPtr file_spec) { |
| return access(file_spec.cstr(String::UL_FILE_SPEC), X_OK)==0; | return access(file_spec->cstr(String::UL_FILE_SPEC), X_OK)==0; |
| } | } |
| bool file_stat(const String& file_spec, | bool file_stat(ConstStringPtr file_spec, |
| size_t& rsize, | size_t& rsize, |
| time_t& ratime, | time_t& ratime, |
| time_t& rmtime, | time_t& rmtime, |
| time_t& rctime, | time_t& rctime, |
| bool fail_on_read_problem) { | bool fail_on_read_problem) { |
| Pool& pool=file_spec.pool(); | CharPtr fname=file_spec->cstr(String::UL_FILE_SPEC); |
| const char* fname=file_spec.cstr(String::UL_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) |
| throw Exception("file.missing", | throw Exception("file.missing", |
| &file_spec, | file_spec, |
| "getting file size failed: %s (%d), real filename '%s'", | "getting file size failed: %s (%d), real filename '%s'", |
| strerror(errno), errno, fname); | strerror(errno), errno, fname); |
| else | else |
| Line 752 char* rsplit(char* string, char delim) { | Line 751 char* rsplit(char* string, char delim) { |
| } | } |
| /// @todo less stupid type detection | /// @todo less stupid type detection |
| char* format(double value, char* fmt) { | const char *format(Pool& pool, double value, char* fmt) { |
| char local_buf[MAX_NUMBER]; | char local_buf[MAX_NUMBER]; |
| size_t size; | size_t size; |
| Line 767 char* format(double value, char* fmt) { | Line 766 char* format(double value, char* fmt) { |
| else | else |
| size=snprintf(local_buf, sizeof(local_buf), "%d", (int)value); | size=snprintf(local_buf, sizeof(local_buf), "%d", (int)value); |
| char* pool_buf=(char *)pool.malloc(size+1, 4); | return pool.malloc(local_buf, size+1); |
| memcpy(pool_buf, local_buf, size+1); | |
| return pool_buf; | |
| } | } |
| size_t stdout_write(const void *buf, size_t size) { | size_t stdout_write(const void *buf, size_t size) { |
| Line 788 size_t stdout_write(const void *buf, siz | Line 785 size_t stdout_write(const void *buf, siz |
| #endif | #endif |
| } | } |
| char* unescape_chars(const char* cp, int len) { | char* unescape_chars(Pool& pool, const char* cp, int len) { |
| char* s=(char *)pool.malloc(len + 1, 5); | char* s=pool.malloc(len + 1); |
| enum EscapeState { | enum EscapeState { |
| EscapeRest, | EscapeRest, |
| EscapeFirst, | EscapeFirst, |