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| author | yar <yar@FreeBSD.org> | 2002-08-05 14:10:57 +0000 |
|---|---|---|
| committer | yar <yar@FreeBSD.org> | 2002-08-05 14:10:57 +0000 |
| commit | 09fb3e817b683faeae6544e087e61c3db48565d6 (patch) | |
| tree | b8f78605a714bcd5cff6a89cc40c749d3911ad7d /libexec | |
| parent | 87d654b4a49cf0b409a82cd4fb373217b9a81977 (diff) | |
| download | FreeBSD-src-09fb3e817b683faeae6544e087e61c3db48565d6.zip FreeBSD-src-09fb3e817b683faeae6544e087e61c3db48565d6.tar.gz | |
Disallow invalid numeric mode values for SITE CHMOD.
Earlier, a decimal number (e.g., 890) could be passed
for mode, leading to dangerous permissions set:
-1, that is, 07777.
Obtained from: OpenBSD
MFC after: 1 week
Diffstat (limited to 'libexec')
| -rw-r--r-- | libexec/ftpd/ftpcmd.y | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/libexec/ftpd/ftpcmd.y b/libexec/ftpd/ftpcmd.y index d7ffc73..2284f02 100644 --- a/libexec/ftpd/ftpcmd.y +++ b/libexec/ftpd/ftpcmd.y @@ -647,9 +647,8 @@ cmd | SITE SP CHMOD check_login_ro SP octal_number SP pathname CRLF { if ($4 && ($8 != NULL)) { - if ($6 > 0777) - reply(501, - "CHMOD: Mode value must be between 0 and 0777"); + if (($6 == -1 ) || ($6 > 0777)) + reply(501, "Bad mode value"); else if (chmod($8, $6) < 0) perror_reply(550, $8); else |
