void cmd_rmdir(const char *name)
{
const smbftpd_valid_share_t *share;
char *real_path;
real_path = smbftpd_get_realpath(smbftpd_session.valid_shares, name,
FLAG_CHECK_WRITABLE | FLAG_NO_FOLLOW_LINK);
if (NULL == real_path) {
reply_fs2client(550, "%s: Permission denied.", name);
return;
}
if (smbftpd_session.mode == MODE_SMB) {
share = smbftpd_get_share_by_path(smbftpd_session.valid_shares, real_path);
if (!share || share->disable_modify) {
reply_noformat(550, "Remove directory denied.");
return;
}
}
LOGCMD("rmdir", name);
if (rmdir(real_path) < 0)
reply_fs2client(550, "%s: %s.", name, strerror(errno));
else
reply_noformat(250, "RMD command successful.");
}
void cmd_delete(const char *path)
{
const smbftpd_valid_share_t *share;
struct stat st;
char *real_path;
real_path = smbftpd_get_realpath(smbftpd_session.valid_shares, path,
FLAG_NO_FOLLOW_LINK | FLAG_CHECK_WRITABLE);
if (NULL == real_path) {
reply_fs2client(550, "%s: permission denied.", path);
return;
}
if (smbftpd_session.mode == MODE_SMB) {
share = smbftpd_get_share_by_path(smbftpd_session.valid_shares, real_path);
if (!share || share->disable_modify) {
reply_noformat(550, "Delete file denied.");
return;
}
}
LOGCMD("delete", path);
if (lstat(real_path, &st) < 0) {
reply_fs2client(550, "%s: %s.", path, strerror(errno));
return;
}
if (S_ISDIR(st.st_mode)) {
if (rmdir(real_path) < 0) {
reply_fs2client(550, "%s: %s.", path, strerror(errno));
return;
}
goto done;
}
if (unlink(real_path) < 0) {
reply_fs2client(550, "%s: %s.", path, strerror(errno));
return;
}
done:
reply_noformat(250, "DELE command successful.");
}
void
store (const char *name, const char *mode, int unique)
{
FILE *fout, *din;
struct stat st;
int (*closefunc) (FILE *);
if (unique && stat (name, &st) == 0)
{
const char *name_unique = gunique (name);
if (name_unique)
name = name_unique;
else
{
LOGCMD (*mode == 'w' ? "put" : "append", name);
return;
}
}
if (restart_point)
mode = "r+";
fout = fopen (name, mode);
closefunc = fclose;
if (fout == NULL)
{
perror_reply (553, name);
LOGCMD (*mode == 'w' ? "put" : "append", name);
return;
}
byte_count = -1;
if (restart_point)
{
if (type == TYPE_A)
{
off_t i, n;
int c;
n = restart_point;
i = 0;
while (i++ < n)
{
c = getc (fout);
if (c == EOF)
{
perror_reply (550, name);
goto done;
}
if (c == '\n')
i++;
}
/* We must do this seek to "current" position
because we are changing from reading to
writing. */
if (fseek (fout, 0L, SEEK_CUR) < 0)
{
perror_reply (550, name);
goto done;
}
}
else if (lseek (fileno (fout), restart_point, SEEK_SET) < 0)
{
perror_reply (550, name);
goto done;
}
}
din = dataconn (name, (off_t) - 1, "r");
if (din == NULL)
goto done;
if (receive_data (din, fout) == 0)
{
if (unique)
reply (226, "Transfer complete (unique file name:%s).", name);
else
reply (226, "Transfer complete.");
}
fclose (din);
data = -1;
pdata = -1;
done:
LOGBYTES (*mode == 'w' ? "put" : "append", name, byte_count);
(*closefunc) (fout);
}
void
retrieve (const char *cmd, const char *name)
{
FILE *fin, *dout;
struct stat st;
int (*closefunc) (FILE *);
size_t buffer_size = 0;
if (cmd == 0)
{
fin = fopen (name, "r"), closefunc = fclose;
st.st_size = 0;
}
else
{
char line[BUFSIZ];
snprintf (line, sizeof line, cmd, name);
name = line;
fin = ftpd_popen (line, "r"), closefunc = ftpd_pclose;
st.st_size = -1;
buffer_size = BUFSIZ;
}
if (fin == NULL)
{
if (errno != 0)
{
perror_reply (550, name);
if (cmd == 0)
{
LOGCMD ("get", name);
}
}
return;
}
byte_count = -1;
if (cmd == 0 && (fstat (fileno (fin), &st) < 0 || !S_ISREG (st.st_mode)))
{
reply (550, "%s: not a plain file.", name);
goto done;
}
if (restart_point)
{
if (type == TYPE_A)
{
off_t i, n;
int c;
n = restart_point;
i = 0;
while (i++ < n)
{
c = getc (fin);
if (c == EOF)
{
perror_reply (550, name);
goto done;
}
if (c == '\n')
i++;
}
}
else if (lseek (fileno (fin), restart_point, SEEK_SET) < 0)
{
perror_reply (550, name);
goto done;
}
}
dout = dataconn (name, st.st_size, "w");
if (dout == NULL)
goto done;
send_data (fin, dout, buffer_size);
fclose (dout);
data = -1;
pdata = -1;
done:
if (cmd == 0)
LOGBYTES ("get", name, byte_count);
(*closefunc) (fin);
}
