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Skip failed entries in dir listing

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This commit is contained in:
Michael Theall 2023-07-12 19:28:08 -05:00
parent 6f5ccc3793
commit 55ea4f6201
2 changed files with 27 additions and 60 deletions
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4
CMakeLists.txt
View File

@ -99,7 +99,7 @@ if(NINTENDO_SWITCH)
return()
endif()
include(FindPkgConfig)
find_package(PkgConfig REQUIRED)
pkg_check_modules(CURL libcurl IMPORTED_TARGET)
pkg_check_modules(ZSTD libzstd IMPORTED_TARGET)
@ -207,7 +207,7 @@ elseif(NINTENDO_3DS)
ANTI_ALIAS=1
)
include(FindPkgConfig)
find_package(PkgConfig REQUIRED)
pkg_check_modules(CURL libcurl IMPORTED_TARGET)
target_link_libraries(${FTPD_TARGET} PRIVATE

83
source/ftpSession.cpp
View File

@ -1192,25 +1192,19 @@ void FtpSession::xferDir (char const *const args_, XferDirMode const mode_, bool
if (std::strlen (args_) > 0)
{
// work around broken clients that think LIST -a/-l is valid
auto const needWorkaround = workaround_ && args_[0] == '-' &&
(args_[1] == 'a' || args_[1] == 'l') &&
(args_[2] == '\0' || args_[2] == ' ');
// an argument was provided
auto const path = buildResolvedPath (m_cwd, args_);
if (path.empty ())
{
// work around broken clients that think LIST -a/-l is valid
if (workaround_)
if (needWorkaround)
{
if (args_[0] == '-' && (args_[1] == 'a' || args_[1] == 'l'))
{
char const *args = &args_[2];
if (*args == '\0' || *args == ' ')
{
if (*args == ' ')
++args;
xferDir (args, mode_, false);
return;
}
}
xferDir (args_ + 2 + (args_[2] == ' '), mode_, false);
return;
}
sendResponse ("550 %s\r\n", std::strerror (errno));
@ -1221,6 +1215,12 @@ void FtpSession::xferDir (char const *const args_, XferDirMode const mode_, bool
struct stat st;
if (::stat (path.c_str (), &st) != 0)
{
if (needWorkaround)
{
xferDir (args_ + 2 + (args_[2] == ' '), mode_, false);
return;
}
sendResponse ("550 %s\r\n", std::strerror (errno));
setState (State::COMMAND, true, true);
return;
@ -1616,7 +1616,7 @@ void FtpSession::sendResponse (std::string_view const response_)
bool FtpSession::listTransfer ()
{
// check if we sent all available data
if (m_xferBuffer.empty ())
while (m_xferBuffer.empty ())
{
m_xferBuffer.clear ();
@ -1646,7 +1646,7 @@ bool FtpSession::listTransfer ()
// I think we are supposed to return entries for . and ..
if (std::strcmp (dent->d_name, ".") == 0 || std::strcmp (dent->d_name, "..") == 0)
return true;
continue; // just skip it
// check if this was NLST
if (m_xferDirMode == XferDirMode::NLST)
@ -1717,51 +1717,18 @@ bool FtpSession::listTransfer ()
}
}
else
#endif
// lstat the entry
if (::lstat (fullPath.c_str (), &st) != 0)
{
#ifndef __SWITCH__
sendResponse ("550 %s\r\n", std::strerror (errno));
setState (State::COMMAND, true, true);
return false;
#else
// probably archive bit set; list name with dummy stats
std::memset (&st, 0, sizeof (st));
error ("%s: type %u\n", dent->d_name, dent->d_type);
switch (dent->d_type)
{
case DT_BLK:
st.st_mode = S_IFBLK;
break;
case DT_CHR:
st.st_mode = S_IFCHR;
break;
case DT_DIR:
st.st_mode = S_IFDIR;
break;
case DT_FIFO:
st.st_mode = S_IFIFO;
break;
case DT_LNK:
st.st_mode = S_IFLNK;
break;
case DT_REG:
case DT_UNKNOWN:
st.st_mode = S_IFREG;
break;
case DT_SOCK:
st.st_mode = S_IFSOCK;
break;
}
#endif
// lstat the entry
if (::lstat (fullPath.c_str (), &st) != 0)
{
error ("Skipping %s: %s\n", fullPath.c_str (), std::strerror (errno));
std::fprintf (stderr, "Skipping %s: %s\n", fullPath.c_str (), std::strerror (errno));
continue; // just skip it
}
#ifdef __3DS__
}
#endif
auto const path = encodePath (dent->d_name);
auto const rc = fillDirent (st, path);