CubitString CubitUtil::get_temporary_filename()
{
CubitString ret_str;
#ifdef WIN32
//get a place to put the temporary file
CubitString temp_path = get_temp_directory();
// make an empty temporary and return the name for it
wchar_t temp_file_name[MAX_PATH];
if( GetTempFileNameW(CubitString::toUtf16(temp_path.c_str()).c_str(), L"CBT", 0, temp_file_name) != 0 )
ret_str = CubitString::toUtf8(temp_file_name);
#else
CubitString tmpdir = get_temp_directory();
const char* filepattern = "CBT.XXXXXX";
//needs to be two longer because of the "/"?
char *temp_file_name = new char[tmpdir.length() + strlen(filepattern) + 2];
sprintf(temp_file_name, "%s/%s", tmpdir.c_str(), filepattern);
// make an empty file and return the name for it
int fd = mkstemp(temp_file_name);
if( fd != -1 )
{
ret_str = temp_file_name;
// release the open done by mkstemp,
// temporary file still exists
close(fd);
}
delete [] temp_file_name;
#endif
return ret_str;
}
/**
* Create a path name with the following format:
* "/tmp/@prefix-$PID-XXXXXX". The returned C string is either
* auto-freed if @context is NULL. This function returns NULL if an
* error occurred.
*/
char *create_temp_name(TALLOC_CTX *context, const char *prefix)
{
const char *temp_directory = get_temp_directory();
char *name;
if (context == NULL)
context = talloc_autofree_context();
name = talloc_asprintf(context, "%s/%s-%d-XXXXXX", temp_directory, prefix, getpid());
if (name == NULL) {
note(NULL, ERROR, INTERNAL, "can't allocate memory");
return NULL;
}
return name;
}
/**
* Remove recursively the content of the current working directory.
* This latter has to lie in temp_directory (ie. "/tmp" on most
* systems). This function returns -1 if a fatal error occured
* (ie. the recursion must be stopped), the number of non-fatal errors
* otherwise.
*
* WARNING: this function changes the current working directory for
* the calling process.
*/
static int clean_temp_cwd()
{
const char *temp_directory = get_temp_directory();
const size_t length_temp_directory = strlen(temp_directory);
char *prefix = NULL;
int nb_errors = 0;
DIR *dir = NULL;
int status;
prefix = talloc_size(NULL, length_temp_directory + 1);
if (prefix == NULL) {
note(NULL, WARNING, INTERNAL, "can't allocate memory");
nb_errors++;
goto end;
}
/* Sanity check: ensure the current directory lies in
* "/tmp". */
status = readlink("/proc/self/cwd", prefix, length_temp_directory);
if (status < 0) {
note(NULL, WARNING, SYSTEM, "can't readlink '/proc/self/cwd'");
nb_errors++;
goto end;
}
prefix[status] = '\0';
if (strncmp(prefix, temp_directory, length_temp_directory) != 0) {
note(NULL, ERROR, INTERNAL,
"trying to remove a directory outside of '%s', "
"please report this error.\n", temp_directory);
nb_errors++;
goto end;
}
dir = opendir(".");
if (dir == NULL) {
note(NULL, WARNING, SYSTEM, "can't open '.'");
nb_errors++;
goto end;
}
while (1) {
struct dirent *entry;
errno = 0;
entry = readdir(dir);
if (entry == NULL)
break;
if ( strcmp(entry->d_name, ".") == 0
|| strcmp(entry->d_name, "..") == 0)
continue;
status = chmod(entry->d_name, 0700);
if (status < 0) {
note(NULL, WARNING, SYSTEM, "cant chmod '%s'", entry->d_name);
nb_errors++;
continue;
}
if (entry->d_type == DT_DIR) {
status = chdir(entry->d_name);
if (status < 0) {
note(NULL, WARNING, SYSTEM, "can't chdir '%s'", entry->d_name);
nb_errors++;
continue;
}
/* Recurse. */
status = clean_temp_cwd();
if (status < 0) {
nb_errors = -1;
goto end;
}
nb_errors += status;
status = chdir("..");
if (status < 0) {
note(NULL, ERROR, SYSTEM, "can't chdir to '..'");
nb_errors = -1;
goto end;
}
status = rmdir(entry->d_name);
}
else {
status = unlink(entry->d_name);
}
if (status < 0) {
note(NULL, WARNING, SYSTEM, "can't remove '%s'", entry->d_name);
nb_errors++;
continue;
}
}
if (errno != 0) {
note(NULL, WARNING, SYSTEM, "can't readdir '.'");
nb_errors++;
}
end:
TALLOC_FREE(prefix);
if (dir != NULL)
(void) closedir(dir);
return nb_errors;
}
//-----------------------------------------------------------------------------
int main( int argc, char* argv[] ) {
std::string path;
std::string temp_path, root_path;
// names of files and directories
std::string test_file = "test.txt";
std::string subdir1_name = "subdir1";
std::string subdir2_name = "subdir2";
std::string subsubdir1_name = "subsubdir1";
std::string subdir_test_file = "subtest.txt";
// get the current working path from the system
std::string working_path = get_current_path();
// attempt to create a temporary directory
if( !get_temp_directory( temp_path ) ) return 5;
// temp path just reported to be successfully created. test existence method
if( !path_exists( temp_path ) ) return 1;
// temp path is a path to a directory, so test is_directory
if( !is_directory( temp_path ) ) return 2;
// create a file in the temp path
if( !create_test_file( temp_path, test_file ) ) return 8;
// already know temp path is not a file, so test is_file for negative case
if( is_file( temp_path ) ) return 3;
// test whether the is file method reports the test file correctly
path = combine_path( temp_path, test_file );
if( !is_file( path ) ) return 3;
// attempt to remove the temporary directory
if( !remove_directory( temp_path ) ) return 6;
//--
// get another temporary directory this time call it the root path
if( !get_temp_directory( root_path ) ) return 7;
// create a file in the root path
if( !create_test_file( root_path, test_file ) ) return 8;
// create a directory in the root path
std::string subdir1_path = combine_path( root_path, subdir1_name );
if( !get_directory( subdir1_path ) ) return 9;
// create another directory in the root path
std::string subdir2_path = combine_path( root_path, subdir2_name );
if( !get_directory( subdir2_path ) ) return 9;
// create a directory in the first child directory of the root path
std::string subsubdir1_path = combine_path( subdir1_path, subsubdir1_name );
if( !get_directory( subsubdir1_path ) ) return 9;
// create a file in the child of the child directory
if( !create_test_file( subsubdir1_path, subdir_test_file ) ) return 8;
/*
// get the subdirectories of the root
std::vector<std::string> dirs = get_subdirectories( root_path );
for( std::vector<std::string>::iterator it = dirs.begin(); it != dirs.end(); it++ ) {
printf( "dir: %s\n", it->c_str() );
}
*/
// test find file without recursion. search for the test file in the root
if( !find_file( path, test_file, root_path ) ) return 1;
// validate the path returned from find file
temp_path = combine_path( root_path, test_file );
if( temp_path != path ) return 1;
// test find file with recursion. search for the subtest file in the dirs
if( !find_file( path, subdir_test_file, root_path, true ) ) return 1;
temp_path = combine_path( subsubdir1_path, subdir_test_file );
if( temp_path != path ) return 1;
// clean up the root path
if( !remove_directory( root_path ) ) return 6;
if( find_file( path, "gzserver", "/usr/local", true ) ) {
printf( "path: %s\n", path.c_str() );
}
return 0;
}
