// delete a file.
// return success if we deleted it or it didn't exist in the first place
//
static int delete_project_owned_file_aux(const char* path) {
#ifdef _WIN32
if (DeleteFile(path)) return 0;
int error = GetLastError();
if (error == ERROR_FILE_NOT_FOUND) {
return 0;
}
if (error == ERROR_ACCESS_DENIED) {
SetFileAttributes(path, FILE_ATTRIBUTE_NORMAL);
if (DeleteFile(path)) return 0;
}
return error;
#else
int retval = unlink(path);
if (retval == 0) return 0;
if (errno == ENOENT) {
return 0;
}
if (g_use_sandbox && (errno == EACCES)) {
// We may not have permission to read subdirectories created by projects
//
return remove_project_owned_file_or_dir(path);
}
return ERR_UNLINK;
#endif
}
// recursively delete everything in the specified directory
// (but not the directory itself).
// If an error occurs, delete as much as possible.
//
int client_clean_out_dir(
const char* dirpath, const char* reason, const char* except
) {
char filename[MAXPATHLEN], path[MAXPATHLEN];
int retval, final_retval = 0;
DIRREF dirp;
if (reason && log_flags.slot_debug) {
msg_printf(0, MSG_INFO, "[slot] cleaning out %s: %s", dirpath, reason);
}
dirp = dir_open(dirpath);
if (!dirp) {
#ifndef _WIN32
if (g_use_sandbox && (errno == EACCES)) {
// dir may be owned by boinc_apps
return remove_project_owned_file_or_dir(dirpath);
}
#endif
return 0; // if dir doesn't exist, it's empty
}
while (1) {
safe_strcpy(filename, "");
retval = dir_scan(filename, dirp, sizeof(filename));
if (retval) {
if (retval != ERR_NOT_FOUND) {
if (log_flags.slot_debug) {
msg_printf(0, MSG_INFO,
"[slot] dir_scan(%s) failed: %s",
dirpath, boincerror(retval)
);
}
final_retval = retval;
}
break;
}
if (except && !strcmp(except, filename)) {
continue;
}
snprintf(path, sizeof(path), "%s/%s", dirpath, filename);
if (is_dir(path)) {
retval = client_clean_out_dir(path, NULL);
if (retval) final_retval = retval;
retval = remove_project_owned_dir(path);
if (retval) final_retval = retval;
} else {
retval = delete_project_owned_file(path, false);
if (retval) final_retval = retval;
}
}
dir_close(dirp);
return final_retval;
}
int remove_project_owned_dir(const char* name) {
#ifdef _WIN32
if (!RemoveDirectory(name)) {
return GetLastError();
}
return 0;
#else
int retval;
retval = rmdir(name);
// We may not have permission to read subdirectories created by projects
if (retval && g_use_sandbox && (errno == EACCES)) {
retval = remove_project_owned_file_or_dir(name);
}
return retval;
#endif
}
/// Recursively delete everything in the specified directory.
/// (but not the directory itself).
/// If an error occurs, delete as much as possible.
///
/// \param[in] dirpath Path to the directory that should be cleared.
/// \return Zero on success, nonzero otherwise.
int client_clean_out_dir(const char* dirpath) {
int final_retval = 0;
DIRREF dirp;
dirp = dir_open(dirpath);
if (!dirp) {
#ifndef _WIN32
if (g_use_sandbox && (errno == EACCES)) {
// dir may be owned by boinc_apps
return remove_project_owned_file_or_dir(dirpath);
}
#endif
return 0; // if dir doesn't exist, it's empty
}
while (true) {
std::string filename;
if (dir_scan(filename, dirp)) {
break;
}
std::string path(dirpath);
path.append("/").append(filename);
int retval;
if (is_dir(path.c_str())) {
retval = client_clean_out_dir(path.c_str());
if (retval) {
final_retval = retval;
}
retval = remove_project_owned_dir(path.c_str());
if (retval) {
final_retval = retval;
}
} else {
retval = delete_project_owned_file(path.c_str(), false);
if (retval) {
final_retval = retval;
}
}
}
dir_close(dirp);
return final_retval;
}
// recursively delete everything in the specified directory
// (but not the directory itself).
// If an error occurs, delete as much as possible.
//
int client_clean_out_dir(const char* dirpath, const char* reason) {
char filename[256], path[256];
int retval, final_retval = 0;
DIRREF dirp;
if (reason && log_flags.slot_debug) {
msg_printf(0, MSG_INFO, "[slot] cleaning out %s: %s", dirpath, reason);
}
dirp = dir_open(dirpath);
if (!dirp) {
#ifndef _WIN32
if (g_use_sandbox && (errno == EACCES)) {
// dir may be owned by boinc_apps
return remove_project_owned_file_or_dir(dirpath);
}
#endif
return 0; // if dir doesn't exist, it's empty
}
while (1) {
strcpy(filename, "");
retval = dir_scan(filename, dirp, sizeof(filename));
if (retval) break;
sprintf(path, "%s/%s", dirpath, filename);
if (is_dir(path)) {
retval = client_clean_out_dir(path, NULL);
if (retval) final_retval = retval;
retval = remove_project_owned_dir(path);
if (retval) final_retval = retval;
} else {
retval = delete_project_owned_file(path, false);
if (retval) final_retval = retval;
}
}
dir_close(dirp);
return final_retval;
}
