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SunSoft, Inc. 2550 Garcia Avenue Mountain View, California 94043 NOTE: SunOS, SunSoft, Sun, Solaris, Sun Microsystems or the Sun logo are trademarks or registered trademarks of Sun Microsystems, Inc. */ // Pass an IDL file through the C preprocessor #include "idl_defines.h" #include "global_extern.h" #include "fe_extern.h" #include "drv_extern.h" #include "utl_string.h" #include "utl_err.h" #include "ace/Version.h" #include "ace/Process.h" #include "ace/SString.h" #include "ace/Env_Value_T.h" #include "ace/ARGV.h" #include "ace/Dirent.h" #include "ace/OS_NS_sys_stat.h" #include "ace/Truncate.h" // FUZZ: disable check_for_streams_include #include "ace/streams.h" #include "ace/OS_NS_stdio.h" #include "ace/OS_NS_unistd.h" #include "ace/OS_NS_fcntl.h" #include "ace/OS_NS_sys_stat.h" // Storage for preprocessor args. unsigned long const DRV_MAX_ARGCOUNT = 1024; unsigned long DRV_argcount = 0; ACE_TCHAR const * DRV_arglist[DRV_MAX_ARGCOUNT] = { nullptr }; static char const * output_arg_format = nullptr; static long output_arg_index = 0; ACE_TCHAR const TCHAR_DIR_DOT[] = ACE_TEXT("."); #if defined (ACE_HAS_TCHAR_DIRENT) // ACE_TCHAR const DIR_DOT[] = ACE_TEXT("."); ACE_TCHAR const DIR_DOT_DOT[] = ACE_TEXT(".."); #else // char const DIR_DOT[] = "."; char const DIR_DOT_DOT[] = ".."; #endif /* ACE_HAS_TCHAR_DIRENT */ // File names. static char tmp_file [MAXPATHLEN + 1] = { 0 }; static char tmp_ifile[MAXPATHLEN + 1] = { 0 }; // Lines can be 1024 chars long intially - // it will expand as required. #define LINEBUF_SIZE 1024 char* drv_line = nullptr; static size_t drv_line_size = LINEBUF_SIZE + 1; // Push the new CPP location if we got a -Yp argument. void DRV_cpp_new_location (char const * new_loc) { ACE::strdelete (const_cast (DRV_arglist[0])); DRV_arglist[0] = ACE::strnew (ACE_TEXT_CHAR_TO_TCHAR (new_loc)); } // Push an argument into the DRV_arglist. void DRV_cpp_putarg (const char *str) { if (DRV_argcount >= DRV_MAX_ARGCOUNT) { ACE_ERROR ((LM_ERROR, "%C: More than %d arguments to preprocessor\n", idl_global->prog_name (), DRV_MAX_ARGCOUNT )); throw Bailout (); } char *replace = nullptr; if (str) { bool allocate_error = false; #ifdef ACE_WIN32 const char *const first_quote = ACE_OS::strchr (str, '"'); if (first_quote) { // Escape Doublequotes on Windows size_t quote_count = 0; for (const char *quote = first_quote; quote; quote = ACE_OS::strchr (quote, '"')) { ++quote_count; ++quote; } ACE_NEW_NORETURN (replace, char[ACE_OS::strlen (str) + quote_count + 1]); allocate_error = !replace; if (replace) { char *to = replace; for (const char *from = str; *from; ++from) { if (*from == '"') { *to = '\\'; ++to; } *to = *from; ++to; } *to = '\0'; } } #endif if (ACE_OS::strchr (str, ' ')) { ACE_NEW_NORETURN (replace, char[ACE_OS::strlen (str) + 3]); allocate_error = !replace; if (replace) { replace[0] = '"'; ACE_OS::strcpy (replace + 1, str); ACE_OS::strcat (replace, "\""); } } if (allocate_error) { idl_global->err()->misc_error ("DRV_cpp_putarg failed to allocate memory for argument!"); throw Bailout (); } } DRV_arglist[DRV_argcount++] = ACE::strnew (ACE_TEXT_CHAR_TO_TCHAR (replace ? replace : str)); if (replace) { delete [] replace; replace = nullptr; } } // Expand the output argument with the given filename. void DRV_cpp_expand_output_arg (const char *filename) { if (output_arg_format != nullptr) { ACE::strdelete (const_cast ( DRV_arglist[output_arg_index])); DRV_arglist[output_arg_index] = nullptr; ACE_NEW (DRV_arglist[output_arg_index], ACE_TCHAR [ACE_OS::strlen (output_arg_format) + ACE_OS::strlen (filename) + 1]); ACE_OS::sprintf (const_cast ( DRV_arglist[output_arg_index]), ACE_TEXT_CHAR_TO_TCHAR (output_arg_format), ACE_TEXT_CHAR_TO_TCHAR (filename)); } } // calculate the total size of all commandline arguments unsigned int DRV_cpp_calc_total_argsize() { unsigned long size = 0; unsigned long ix = 0; while (DRV_arglist[ix] != nullptr) { size += ACE_Utils::truncate_cast (ACE_OS::strlen (DRV_arglist[ix]) + 1); ++ix; } return size; } // Get a line from stdin. static bool DRV_get_line (FILE *file) { char *line = ACE_OS::fgets (drv_line, ACE_Utils::truncate_cast (drv_line_size), file); if (!line || (!*line && feof (file))) { // End of file, nothing else read in. return false; } do { // Check for line continuation escape... size_t len = ACE_OS::strlen (drv_line); if (2 <= len && '\n' == drv_line [len-1] && '\\' == drv_line [len-2] ) { // This is a "false" end-of-line, remove token len-= 2; drv_line [len]= '\0'; } // Check for end-of-line if (len && '\n' == drv_line [len-1]) { // Replace the end-of-line with a null drv_line [len-1] = '\0'; return true; } // Need to continue to read more of this line in, // is there enough space left in the buffer? if (drv_line_size - len < 10) { // Create a bigger buffer size_t temp_size = drv_line_size * 2; char *temp = nullptr; ACE_NEW_RETURN (temp, char [temp_size], false); ACE_OS::strcpy (temp, drv_line); delete [] drv_line; drv_line = temp; drv_line_size = temp_size; } line = ACE_OS::fgets (drv_line + len, ACE_Utils::truncate_cast (drv_line_size - len), file); } while (line && *line); return true; } // Initialize the cpp argument list. void DRV_cpp_init () { // Create the line buffer. // (JP) Deleting this at the end or DRV_pre_proc() causes // Purify to output a Freeing Mismatched Memory warning. // When it is not deleted (currently the case) there is no // memory leak reported by Purify. I don't know why. ACE_NEW (drv_line, char [drv_line_size]); char const * const cpp_loc = FE_get_cpp_loc_from_env (); DRV_cpp_putarg (cpp_loc); // Add an option to the IDL compiler to make the TAO version // available to the user. A XX.YY.ZZ release gets // version 0xXXYYZZ, for example, 5.1.14 gets 0x050114. char version_option[128]; ACE_OS::sprintf (version_option, "-D__TAO_IDL=0x%2.2d%2.2d%2.2d", ACE_MAJOR_VERSION, ACE_MINOR_VERSION, ACE_MICRO_VERSION); DRV_cpp_putarg (version_option); DRV_cpp_putarg ("-I."); const char *platform_cpp_args = FE_get_cpp_args_from_env (); if (platform_cpp_args == nullptr) { // If no cpp flag was defined by the user, we define some // platform specific flags here. #if defined (TAO_IDL_PREPROCESSOR_ARGS) platform_cpp_args = TAO_IDL_PREPROCESSOR_ARGS; #elif defined (ACE_CC_PREPROCESSOR_ARGS) platform_cpp_args = ACE_CC_PREPROCESSOR_ARGS; #else platform_cpp_args = "-E"; #endif /* TAO_IDL_PREPROCESSOR_ARGS */ // So we can find OMG IDL files, such as `orb.idl'. ACE_CString include_path1, include_path2; char* TAO_ROOT = ACE_OS::getenv ("TAO_ROOT"); if (TAO_ROOT != nullptr) { DRV_add_include_path (include_path1, TAO_ROOT, nullptr, true); DRV_add_include_path (include_path2, TAO_ROOT, "/tao", true); } else { char* ACE_ROOT = ACE_OS::getenv ("ACE_ROOT"); if (ACE_ROOT != nullptr) { DRV_add_include_path (include_path1, ACE_ROOT, "/TAO", true); DRV_add_include_path (include_path2, ACE_ROOT, "/TAO/tao", true); } else { #if defined (TAO_IDL_INCLUDE_DIR) // TAO_IDL_INCLUDE_DIR may be in quotes, // e.g. "/usr/local/include/tao" // We deal with a case like this below ... DRV_add_include_path (include_path1, TAO_IDL_INCLUDE_DIR, 0, true); DRV_add_include_path (include_path2, TAO_IDL_INCLUDE_DIR, "/tao", true); #else DRV_add_include_path (include_path1, ".", nullptr, true); #endif /* TAO_IDL_INCLUDE_DIR */ } } idl_global->tao_root (include_path1.c_str ()); } // Add any flags in platform_cpp_args to cpp's DRV_arglist. ACE_ARGV platform_arglist ( ACE_TEXT_CHAR_TO_TCHAR (platform_cpp_args)); for (int i = 0; i < platform_arglist.argc (); ++i) { // Check for an argument that specifies // the preprocessor's output file. if (ACE_OS::strstr (platform_arglist[i], ACE_TEXT ("%s")) != nullptr && output_arg_format == nullptr) { output_arg_format = ACE::strnew (ACE_TEXT_ALWAYS_CHAR (platform_arglist[i])); output_arg_index = DRV_argcount; DRV_cpp_putarg (nullptr); } else { DRV_cpp_putarg (ACE_TEXT_ALWAYS_CHAR (platform_arglist[i])); } } } int DRV_sweep_dirs (const char *rel_path, const char *base_path) { // Zero rel_path means we're not using this option, and // so we become a no-op. if (rel_path == nullptr) { return 0; } if (ACE_OS::chdir (rel_path) == -1) { ACE_ERROR_RETURN ((LM_ERROR, "DRV_sweep_dirs: chdir %C failed\n", rel_path), -1); } ACE_Dirent dir (TCHAR_DIR_DOT); ACE_CString bname (base_path); bname += (bname.length () > 0 ? "/" : ""); bname += rel_path; bool include_added = false; char abspath[MAXPATHLEN] = ""; char *full_path = nullptr; for (ACE_DIRENT *dir_entry; (dir_entry = dir.read ()) != nullptr;) { // Skip the ".." and "." files in each directory. if (ACE::isdotdir (dir_entry->d_name) == true) { continue; } #if defined (ACE_HAS_TCHAR_DIRENT) ACE_CString lname (ACE_TEXT_ALWAYS_CHAR (dir_entry->d_name)); #else ACE_CString lname (dir_entry->d_name); #endif ACE_stat stat_buf; if (ACE_OS::lstat (lname.c_str (), &stat_buf) == -1) { ACE_ERROR_RETURN ((LM_ERROR, "DRV_sweep_dirs: ACE_OS::lstat" " (%C) failed\n", lname.c_str ()), -1); } size_t len = 0; switch (stat_buf.st_mode & S_IFMT) { case S_IFREG: // Either a regular file or an executable. len = lname.length (); if (len > 4 && lname.substr (len - 4) == ".idl") { if (!include_added) { ACE_CString incl_arg ("-I"); incl_arg += bname; DRV_cpp_putarg (incl_arg.c_str ()); idl_global->add_rel_include_path (bname.c_str ()); full_path = ACE_OS::realpath ("", abspath); if (full_path != nullptr) { idl_global->add_include_path (full_path, false); } include_added = true; } ACE_CString fname (bname); fname += "/"; fname += lname; DRV_push_file (fname.c_str ()); } break; case S_IFDIR: // Subdirectory. DRV_sweep_dirs (lname.c_str (), bname.c_str ()); break; case S_IFLNK: // Either a file link or directory link. default: // Some other type of file (PIPE/FIFO/device). break; } } // Move back up a level. if (ACE_OS::chdir (DIR_DOT_DOT) == -1) { ACE_ERROR_RETURN ((LM_ERROR, "DRV_sweep_dirs: chdir " ".. (from %C) failed\n", rel_path), -1); } return 0; } ACE_CString& DRV_add_include_path (ACE_CString& include_path, const char *path, const char *suffix, bool is_system) { if (path == nullptr) { return include_path; } const bool needToQuote = (('"' == *path) || ACE_OS::strchr (path, ' ')); const size_t pathLength = ACE_OS::strlen (path); const char #if defined (ACE_WIN32) nativeDir = '\\', foreignDir = '/'; #else nativeDir = '/', foreignDir = '\\'; #endif // Eliminate possible enclosing quotes // from the path, and since some compilers // choke on double directory separators in // paths, ensure that the path does not // end with a directory slash. include_path = ACE_CString (path + ('"' == *path), // Skip leading Quote pathLength - ('"' == *path) // Don't count leading Quote - ( (1uL < pathLength) && // Don't count trailing Quote XOR directory ('"' == path [pathLength - 1uL] || nativeDir == path [pathLength - 1uL] || foreignDir == path [pathLength - 1uL] ) ) - ( (2uL < pathLength) && // Don't count trailing Quote AND directory '"' == path [pathLength - 1uL] && (nativeDir == path [pathLength - 2uL] || foreignDir == path [pathLength - 2uL] ) ) ); if (suffix != nullptr) { if (!include_path.length () && ((nativeDir == *suffix) || (foreignDir == *suffix))) { // Path is empty, don't add the // suffix's leading directory separator. ++suffix; } if (include_path.length () && (*suffix != '\0') && (nativeDir != *suffix) && (foreignDir != *suffix)) { // Force a directory separator. include_path += nativeDir; } // Add the suffix string to the path, // ensuring that foreign directory slashes // are added as the native type. for ( ; *suffix != '\0'; ++suffix) { include_path += (foreignDir == *suffix) ? nativeDir : *suffix; } } // Build up the include string from the new path+suffix ACE_CString include_option ("-I\"", 2 + needToQuote); include_option+= include_path; if (needToQuote) { include_option+= '"'; } DRV_cpp_putarg (include_option.c_str ()); idl_global->add_include_path (include_path.c_str (), is_system); return include_path; } // Adds additional include paths, but after parse_args() has // added user-defined include paths. void DRV_cpp_post_init () { char idl_version_arg[128]; ACE_OS::sprintf (idl_version_arg, "-D__TAO_IDL_IDL_VERSION=%s", idl_global->idl_version_.to_macro ()); DRV_cpp_putarg (idl_version_arg); DRV_cpp_putarg ("-D__TAO_IDL_FEATURES=" #ifdef TAO_IDL_FEATURES TAO_IDL_FEATURES #else "\"tao/idl_features.h\"" #endif ); // Add include path for TAO_ROOT/orbsvcs. char* TAO_ROOT = ACE_OS::getenv ("TAO_ROOT"); ACE_CString include_path3, include_path4, include_path5; // When adding new dirs here don't forget to update // FE_Utils::validate_orb_include accordingly. if (TAO_ROOT != nullptr) { DRV_add_include_path (include_path3, TAO_ROOT, "/orbsvcs", true); } else { // If TAO_ROOT isn't defined, assume it's under ACE_ROOT. char* ACE_ROOT = ACE_OS::getenv ("ACE_ROOT"); if (ACE_ROOT != nullptr) { DRV_add_include_path (include_path3, ACE_ROOT, "/TAO/orbsvcs", true); } else { #if defined (TAO_IDL_INCLUDE_DIR) DRV_add_include_path (include_path3, TAO_IDL_INCLUDE_DIR, "/orbsvcs", true); #else // If ACE_ROOT isn't defined either, there will already // be a warning from DRV_preproc(). DRV_add_include_path (include_path3, ".", nullptr, true); #endif /* TAO_IDL_INCLUDE_DIR */ } } // Add include paths for CIAO_ROOT and CIAO_ROOT/ciao. char* CIAO_ROOT = ACE_OS::getenv ("CIAO_ROOT"); // When adding new dirs here don't forget to update // FE_Utils::validate_orb_include accordingly. if (CIAO_ROOT != nullptr) { DRV_add_include_path (include_path4, CIAO_ROOT, nullptr, true); DRV_add_include_path (include_path5, CIAO_ROOT, "/ciao", true); DRV_add_include_path (include_path5, CIAO_ROOT, "/ccm", true); } // Save path of current directory, in case // the call to DRV_sweep_dirs() // below is not a no-op - then the current // working directory will // have to be restored. char cwd_path[MAXPATHLEN]; if (ACE_OS::getcwd (cwd_path, sizeof (cwd_path)) == nullptr) { ACE_ERROR ((LM_ERROR, "DRV_cpp_post_init: ACE_OS::getcwd failed\n")); throw Bailout (); } // If first arg is non-zero, adds an include path and filename // for every IDL file found in all subdirectories. This is a // no-op for most backends. if (DRV_sweep_dirs (idl_global->recursion_start (), "") == -1) { ACE_ERROR ((LM_ERROR, "DRV_cpp_post_init: DRV_sweep_dirs (%C) failed\n", idl_global->recursion_start ())); throw Bailout (); } // This is redundant for most backends, but not if the call to // DRV_sweep_dirs() above is more than a no-op. if (ACE_OS::chdir (cwd_path) == -1) { ACE_ERROR ((LM_ERROR, "DRV_cpp_post_init: ACE_OS::chdir (%C) failed\n", cwd_path)); throw Bailout (); } } // Local/internal helper function. namespace { // Advances the input char buffer to the first non-white // space character, handles /**/ comments as well. char DRV_skip_over_white_spaces (const char *&input) { while (*input != 0) { // Skip the spaces, tabs, vertical-tabs and form feeds. while (' ' == *input || '\t' == *input || '\v' == *input || '\f' == *input) { ++input; } // Skip any "/*...*/" inline comments // (Note we can't cope with fully multi-line comments since we // are scanning only single lines at a time here.) if ('/' != *input) { // This is the first non-white space character (could be // end of line). return *input; } if ('*' != *++input) { // Wasn't the start of a comment so / was the first non-white space character. return *--input; } // Skip over the contents of the comment (if we reach the end of the input // line we have no option but to concider the comment closed, bummer). do { // Looking for the closing "*/" characters while ('*' != *++input && *input) {} while ('*' == *input) { ++input; } } while ('/' != *input && *input); if ('/' == *input) { ++input; } } return '\0'; // Reached end of line. } // Checks for and skips over #include, positions buffer // at the leading quote character of the filename if // #include is found. bool DRV_find_include_filename (const char *&input) { // Must have initial # character if ('#' != DRV_skip_over_white_spaces (input)) { return false; } // Only want #include to match const char *include_str = "include"; if (*include_str != DRV_skip_over_white_spaces (++input)) { return false; } while (*++include_str == *++input && *input) {} if (*include_str || !*input) { // Not #include (or it ends before filename given). return false; } // Next thing is finding the file that has been `#include'd. Skip // over to the starting " or < character. const char start_char = DRV_skip_over_white_spaces (input); return ('"' == start_char || '<' == start_char); } // We really need to know whether // this line is a "#include ...". If // so, we would like to separate the // "file name" and keep that in the // idl_global. We need them to produce // "#include's in the stubs and // skeletons. void DRV_check_for_include (const char *buf) { if (!DRV_find_include_filename (buf)) { return; } // Skip over this leading " or < and // copy the filename upto the // closing " or > character. const char start_char = *buf++, end_char = ('<' == start_char) ? '>' : start_char; char incl_file[MAXPATHLEN + 1], *fi = incl_file; while (*buf != '\0' && *buf != end_char) { // Put Microsoft-style pathnames into a canonical form. if ('\\' == buf[0] && '\\' == buf [1]) { ++buf; } *fi++ = *buf++; if (fi == incl_file + sizeof (incl_file) - 1) { // Safety valve, filename given was too long! break; } } *fi= '\0'; const size_t len = fi - incl_file; if (len == 0) { return; // Null filename not allowed. } ACE_CString const name_str (incl_file); ACE_CString const simple ("orb.idl"); ACE_CString const nix_path ("tao/orb.idl"); ACE_CString const win_path ("tao\\orb.idl"); // Some backends pass this file through, others don't. if (name_str == simple || name_str == nix_path || name_str == win_path) { if (idl_global->pass_orb_idl ()) { idl_global->add_to_included_idl_files (incl_file); } else { DRV_get_orb_idl_includes (); } } // We have special lookup for orb.idl (TAO_ROOT/tao) that // also kicks in for .pidl files. If one of the latter is // included as a local name only, we add the 'tao/' prefix // so the generated C++ include files will be correct. else if ((5 <= len && !ACE_OS::strcmp (incl_file + len - 5, ".pidl")) && !ACE_OS::strchr (incl_file, '/') && !ACE_OS::strchr (incl_file, '\\')) { ACE_CString fixed_name ("tao/"); fixed_name += incl_file; idl_global->add_to_included_idl_files (fixed_name.c_str ()); } else { idl_global->add_to_included_idl_files (incl_file); } } // This method turns a line like '#include "a.idl"' into the // line '#include ' void DRV_convert_includes (char *buf) { const char *input = buf; if (!DRV_find_include_filename (input) || '"' != *input) { return; // Only interested in #include "" type } buf = const_cast (input); // Find the closing '"' character. char *open_quote= buf; while ('"' != *++buf && *buf != '\0') { if ('>' == *buf) { // Can't change to #include <> as it // has a > character in the filename! return; } } if ('"' == *buf) { // Replace the quotes with angle brackets. *open_quote = '<'; *buf = '>'; } } } // End of local/internal namespace void DRV_get_orb_idl_includes () { static char const orb_idl[] = "tao/orb.idl"; // Search for orb.idl in supplied include file search paths. char const * directory = nullptr; FILE * fp = FE_Utils::open_included_file (orb_idl, directory); if (fp == nullptr) { // Fall back on $TAO_ROOT/tao/orb.idl if orb.idl is not in the // include path. ACE_CString orb_idl_path (ACE_CString (idl_global->tao_root ()) + ACE_CString ('/') + ACE_CString (orb_idl)); fp = ACE_OS::fopen (orb_idl_path.c_str (), "r"); if (fp == nullptr) { ACE_ERROR ((LM_ERROR, "TAO_IDL: cannot open or find file: %C\n", orb_idl_path.c_str ())); throw Bailout (); } } else { // Make sure the include directory containing orb.idl is passed // to the preprocessor. // This should go after user supplied include paths. ACE_CString include_path_arg; DRV_add_include_path (include_path_arg, directory, "/tao", true); } while (DRV_get_line (fp)) { // Find the included .pidl files in orb.idl and add them to the // included IDL file list. DRV_check_for_include (drv_line); } ACE_OS::fclose (fp); } // Copy to a file. static void DRV_copy_input (FILE *fin, FILE *f, const char *fn, const char *orig_filename) { if (f == nullptr) { ACE_ERROR ((LM_ERROR, "%C: cannot open temp file \"%C\" for copying from \"%C\": %m\n", idl_global->prog_name (), fn, orig_filename)); throw Bailout (); } if (fin == nullptr) { ACE_ERROR ((LM_ERROR, "%C: cannot open input file\n", idl_global->prog_name ())); throw Bailout (); } #if !defined (ACE_WIN32) ACE_OS::fprintf (f, "#line 1 \"%s\"\n", orig_filename); #else // Convert single \ into double \ otherwise MSVC++ pre-processor // gets awfully confused. char buf[2*MAXPATHLEN]; char *d = buf; for (const char *s = orig_filename; *s != 0; ++s) { if (*s == '\\') { *d = '\\'; ++d; } *d = *s; ++d; } *d = 0; ACE_OS::fprintf (f, "#line 1 \"%s\"\n", buf); #endif /* ! ACE_WIN32 */ while (DRV_get_line (fin)) { DRV_convert_includes (drv_line); // Print the line to the temporary file. ACE_OS::fprintf (f, "%s\n", drv_line); // We really need to know whether this line is a "#include // ...". If so, we would like to separate the "file name" and // keep that in the idl_global. We need them to produce // "#include's in the stubs and skeletons. DRV_check_for_include (drv_line); } // Close the temporary file. ACE_OS::fclose (f); } // Strip down a name to the last component, // i.e. everything after the last '/' or '\' character. static char * DRV_stripped_name (char *fn) { char *n = fn; size_t l; if (n == nullptr) { return nullptr; } l = ACE_OS::strlen (n); int slash_found = 0; for (n += l - 1; n >= fn && !slash_found; n--) { slash_found = (*n == '/' || *n == '\\'); } n += 1; if (slash_found) { n += 1; } return n; } // Pass input through preprocessor. void DRV_pre_proc (const char *myfile) { // Check to see that the file is a normal file. If we don't and the file is a // directory, then the copy would be blank and any error message later might // not be helpful. ACE_stat file_stat; if (ACE_OS::stat (myfile, &file_stat) == -1) { ACE_ERROR ((LM_ERROR, "%C: ERROR: Unable to open file (stat) \"%C\": %m\n", idl_global->prog_name (), myfile)); throw Bailout (); } else if ((file_stat.st_mode & S_IFREG) != S_IFREG) { ACE_ERROR ((LM_ERROR, "%C: ERROR: This is not a regular file: \"%C\"\n", idl_global->prog_name (), myfile)); throw Bailout (); } const char* tmpdir = idl_global->temp_dir (); static const char temp_file_extension[] = ".cpp"; static char const tao_idlf_template[] = "tao-idlf_XXXXXX"; static char const tao_idli_template[] = "tao-idli_XXXXXX"; size_t const tlen = ACE_OS::strlen (tmpdir) + sizeof (temp_file_extension); // Prevent a buffer overrun. if (tlen + sizeof (tao_idlf_template) > sizeof (tmp_file) || tlen + sizeof (tao_idli_template) > sizeof (tmp_ifile)) { ACE_ERROR ((LM_ERROR, "%C: temporary path/filename length is greater than " "length allowed by platform\n", idl_global->prog_name ())); throw Bailout (); } ACE_OS::strcpy (tmp_file, tmpdir); ACE_OS::strcpy (tmp_ifile, tmpdir); // Append temporary filename template to temporary directory. ACE_OS::strcat (tmp_file, tao_idlf_template); ACE_OS::strcat (tmp_ifile, tao_idli_template); ACE_HANDLE const ti_fd = ACE_OS::mkstemp (tmp_ifile); if (ti_fd == ACE_INVALID_HANDLE) { ACE_ERROR ((LM_ERROR, "%C: Unable to create temporary file \"%C\": %m\n", idl_global->prog_name (), tmp_ifile)); throw Bailout (); } ACE_HANDLE const tf_fd = ACE_OS::mkstemp (tmp_file); if (tf_fd == ACE_INVALID_HANDLE) { ACE_ERROR ((LM_ERROR, "%C: Unable to create temporary file \"%C\": %m\n", idl_global->prog_name (), tmp_file)); (void) ACE_OS::unlink (tmp_ifile); throw Bailout (); } char tmp_cpp_file [MAXPATHLEN + 1] = { 0 }; char tmp_cpp_ifile[MAXPATHLEN + 1] = { 0 }; // Append C++ source file extension. Temporary files will be renamed // to these filenames. ACE_OS::strcpy (tmp_cpp_file, tmp_file); ACE_OS::strcpy (tmp_cpp_ifile, tmp_ifile); ACE_OS::strcat (tmp_cpp_file, temp_file_extension); ACE_OS::strcat (tmp_cpp_ifile, temp_file_extension); char * const t_file = tmp_cpp_file; char * const t_ifile = tmp_cpp_ifile; ACE_OS::close (tf_fd); // Rename temporary files so that they have extensions accepted // by the preprocessor. FILE * const file = ACE_OS::fopen (myfile, "r"); if (file == nullptr) { ACE_ERROR ((LM_ERROR, "%C: ERROR: Unable to open file (fopen) \"%C\": %m\n", idl_global->prog_name (), myfile)); (void) ACE_OS::unlink (tmp_ifile); (void) ACE_OS::unlink (tmp_file); throw Bailout (); } DRV_copy_input (file, ACE_OS::fdopen (ti_fd, ACE_TEXT("w")), tmp_ifile, myfile); ACE_OS::fclose (file); UTL_String *utl_string = nullptr; #if defined (ACE_OPENVMS) { char main_abspath[MAXPATHLEN] = ""; char trans_path[MAXPATHLEN] = ""; char *main_fullpath = ACE_OS::realpath (IDL_GlobalData::translateName (myfile, trans_path), main_abspath); if (main_fullpath == 0) { ACE_ERROR ((LM_ERROR, ACE_TEXT ("Unable to construct full file pathname\n"))); (void) ACE_OS::unlink (tmp_ifile); (void) ACE_OS::unlink (tmp_file); throw Bailout (); } ACE_NEW (utl_string, UTL_String (main_fullpath, true)); idl_global->set_main_filename (utl_string); } #else ACE_NEW (utl_string, UTL_String (myfile, true)); idl_global->set_main_filename (utl_string); #endif ACE_Auto_String_Free safety (ACE_OS::strdup (myfile)); UTL_String *stripped_tmp = nullptr; ACE_NEW (stripped_tmp, UTL_String (DRV_stripped_name (safety.get ()), true)); idl_global->set_stripped_filename (stripped_tmp); UTL_String *real_tmp = nullptr; ACE_NEW (real_tmp, UTL_String (t_ifile, true)); idl_global->set_real_filename (real_tmp); // We use ACE instead of the (low level) fork facilities, this also // works on NT. ACE_Process process; DRV_cpp_expand_output_arg (t_file); DRV_cpp_putarg (t_ifile); DRV_cpp_putarg (nullptr); // Null terminate the DRV_arglist. // For complex builds, the default // command line buffer size of 1024 // is often not enough. We determine // the required space and arg nr // dynamically here. ACE_Process_Options cpp_options (true, // Inherit environment. DRV_cpp_calc_total_argsize (), 16 * 1024, 512, DRV_argcount); if (cpp_options.command_line (DRV_arglist) != 0) { ACE_ERROR ((LM_ERROR, ACE_TEXT ("%C: command line processing \"%s\" failed\n"), idl_global->prog_name (), DRV_arglist[0])); (void) ACE_OS::unlink (tmp_ifile); (void) ACE_OS::unlink (tmp_file); throw Bailout (); } // Rename temporary files so that they have extensions accepted // by the preprocessor. Renaming is (supposed to be) an atomic // operation so we shouldn't be susceptible to attack. if (ACE_OS::rename (tmp_file, t_file) != 0) { ACE_ERROR ((LM_ERROR, "%C: Unable to rename temporary " "file \"%C\" to \"%C\": %m\n", idl_global->prog_name (), tmp_file, t_file)); (void) ACE_OS::unlink (tmp_ifile); (void) ACE_OS::unlink (tmp_file); throw Bailout (); } if (ACE_OS::rename (tmp_ifile, t_ifile) != 0) { ACE_ERROR ((LM_ERROR, "%C: Unable to rename temporary " "file \"%C\" to \"%C\": %m\n", idl_global->prog_name (), tmp_ifile, t_ifile)); (void) ACE_OS::unlink (tmp_ifile); (void) ACE_OS::unlink (t_file); throw Bailout (); } // Remove any existing output file. (void) ACE_OS::unlink (t_file); ACE_HANDLE fd = ACE_INVALID_HANDLE; if (output_arg_format == nullptr) { // If the following open() fails, then we're either being hit with a // symbolic link attack, or another process opened the file before // us. #if defined (ACE_OPENVMS) //FUZZ: disable check_for_lack_ACE_OS fd = ::open (t_file, O_WRONLY | O_CREAT | O_EXCL, ACE_DEFAULT_FILE_PERMS, "shr=get,put,upd", "ctx=rec", "fop=dfw"); //FUZZ: enable check_for_lack_ACE_OS #else fd = ACE_OS::open (t_file, O_WRONLY | O_CREAT | O_EXCL, ACE_DEFAULT_FILE_PERMS); #endif if (fd == ACE_INVALID_HANDLE) { ACE_ERROR ((LM_ERROR, "%C: cannot open temp file" " \"%C\" for writing: %m\n", idl_global->prog_name (), t_file)); (void) ACE_OS::unlink (t_file); (void) ACE_OS::unlink (t_ifile); throw Bailout (); } if (cpp_options.set_handles (ACE_INVALID_HANDLE, fd) == -1) { ACE_ERROR ((LM_ERROR, "%C: cannot set stdout for child process: %m\n", idl_global->prog_name ())); throw Bailout (); } } if (idl_global->compile_flags () & IDL_CF_INFORMATIVE) { ACE_DEBUG ((LM_DEBUG, "%C: spawning: %s\n", idl_global->prog_name (), cpp_options.command_line_buf ())); } if (process.spawn (cpp_options) == ACE_INVALID_PID) { ACE_ERROR ((LM_ERROR, "%C: spawn of \"%s\" failed\n", idl_global->prog_name (), DRV_arglist[0])); (void) ACE_OS::unlink (t_file); (void) ACE_OS::unlink (t_ifile); throw Bailout (); } if (fd != ACE_INVALID_HANDLE) { // Close the output file on the parent process. if (ACE_OS::close (fd) == -1) { ACE_ERROR ((LM_ERROR, "%C: cannot close temp file \"%C\" on parent: %m\n", idl_global->prog_name (), t_file)); (void) ACE_OS::unlink (t_file); (void) ACE_OS::unlink (t_ifile); throw Bailout (); } } // Remove the null termination and the // input file from the DRV_arglist, // the next file will the previous args. DRV_argcount -= 2; ACE::strdelete ( const_cast (DRV_arglist[DRV_argcount])); DRV_arglist[DRV_argcount] = nullptr; ACE_exitcode status = 0; if (process.wait (&status) == ACE_INVALID_PID) { ACE_ERROR ((LM_ERROR, "%C: wait for child process failed\n", idl_global->prog_name ())); (void) ACE_OS::unlink (t_file); (void) ACE_OS::unlink (t_ifile); throw Bailout (); } if (WIFEXITED ((status))) { // Child terminated normally? if (WEXITSTATUS ((status)) != 0) { errno = WEXITSTATUS ((status)); ACE_ERROR ((LM_ERROR, "%C: preprocessor \"%s\" " "returned with an error\n", idl_global->prog_name (), DRV_arglist[0])); (void) ACE_OS::unlink (t_file); (void) ACE_OS::unlink (t_ifile); throw Bailout (); } } else { // Child didn't call exit(); perhaps it received a signal? errno = EINTR; ACE_ERROR ((LM_ERROR, "%C: preprocessor \"%s\" appears " "to have been interrupted\n", idl_global->prog_name (), DRV_arglist[0])); (void) ACE_OS::unlink (t_file); (void) ACE_OS::unlink (t_ifile); throw Bailout (); } // TODO: Manage problems in the // pre-processor, in the previous // version the current process // would exit if the pre-processor // returned with error. #if defined (ACE_OPENVMS) cpp_options.release_handles(); #endif FILE * const yyin = ACE_OS::fopen (t_file, "r"); if (yyin == nullptr) { ACE_ERROR ((LM_ERROR, "%C: Could not open cpp " "output file \"%C\": %m\n", idl_global->prog_name (), t_file)); (void) ACE_OS::unlink (t_file); (void) ACE_OS::unlink (t_ifile); throw Bailout (); } FE_set_yyin (yyin); if (idl_global->compile_flags () & IDL_CF_ONLY_PREPROC) { FILE *preproc = ACE_OS::fopen (t_file, "r"); char buffer[ACE_MAXLOGMSGLEN]; size_t bytes; if (preproc == nullptr) { ACE_ERROR ((LM_ERROR, "%C: Could not open cpp " "output file \"%C\": %m\n", idl_global->prog_name (), t_file)); (void) ACE_OS::unlink (t_file); (void) ACE_OS::unlink (t_ifile); throw Bailout (); } // ACE_DEBUG sends to stderr - we want stdout for this dump // of the preprocessor output. So we modify the singleton that // was created in this process. Since IDL_CF_ONLY_PREPROC causes // an (almost) immediate exit below, we don't have to restore // the singleton's default parameters. ACE_Log_Msg *out = ACE_Log_Msg::instance (); out->msg_ostream (&cout); out->clr_flags (ACE_Log_Msg::STDERR); out->set_flags (ACE_Log_Msg::OSTREAM); while ((bytes = ACE_OS::fread (buffer, sizeof (char), ACE_MAXLOGMSGLEN - 1, preproc)) != 0) { buffer[bytes] = 0; ACE_DEBUG ((LM_DEBUG, buffer)); } ACE_OS::fclose (preproc); } if (ACE_OS::unlink (t_ifile) == -1) { ACE_ERROR ((LM_ERROR, "%C: Could not remove cpp " "input file \"%C\": %m\n", idl_global->prog_name (), t_ifile)); throw Bailout (); } if (ACE_OS::unlink (t_file) == -1) { ACE_ERROR ((LM_ERROR, "%C: Could not remove cpp " "output file \"%C\": %m\n", idl_global->prog_name (), t_file)); throw Bailout (); } }