Files
rtorrent/src/utils/directory.cc
T
xirvik a5c39566c8 Write session files with O_NOFOLLOW and mode 0600
Also make directory_entry::is_file() report the real type so symlinks are skipped.
2026-09-24 09:52:03 +02:00

100 lines
1.8 KiB
C++

#include "config.h"
#include "utils/directory.h"
#include <algorithm>
#include <cstdlib>
#include <dirent.h>
#include <fcntl.h>
#include <functional>
#include <sys/stat.h>
#include <torrent/exceptions.h>
#include "globals.h"
namespace utils {
namespace {
uint8_t
entry_type_from_mode(mode_t mode) {
if (S_ISREG(mode))
return DT_REG;
if (S_ISDIR(mode))
return DT_DIR;
if (S_ISLNK(mode))
return DT_LNK;
return DT_UNKNOWN;
}
} // namespace
// Keep this?
bool
Directory::is_valid() const {
if (m_path.empty())
return false;
DIR* d = opendir(expand_path(m_path).c_str());
if (d != NULL)
closedir(d);
return d;
}
bool
Directory::update(int flags) {
if (m_path.empty())
throw torrent::input_error("Directory::update() tried to open an empty path.");
DIR* d = opendir(expand_path(m_path).c_str());
if (d == NULL)
return false;
struct dirent* entry;
while ((entry = readdir(d)) != NULL) {
if ((flags & update_hide_dot) && entry->d_name[0] == '.')
continue;
iterator itr = base_type::insert(end(), value_type());
#ifdef __sun__
itr->s_fileno = entry->d_ino;
itr->s_reclen = 0;
itr->s_type = DT_UNKNOWN;
#else
itr->s_fileno = entry->d_fileno;
itr->s_reclen = entry->d_reclen;
itr->s_type = entry->d_type;
#endif
if (itr->s_type == DT_UNKNOWN) {
struct stat st;
if (fstatat(dirfd(d), entry->d_name, &st, AT_SYMLINK_NOFOLLOW) == 0)
itr->s_type = entry_type_from_mode(st.st_mode);
}
#ifdef DIRENT_NAMLEN_EXISTS_FOOBAR
itr->s_name = std::string(entry->d_name, entry->d_name + entry->d_namlen);
#else
itr->s_name = std::string(entry->d_name);
#endif
}
closedir(d);
if (flags & update_sort)
std::sort(begin(), end());
return true;
}
}