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| author | Gregory P. Smith <greg@mad-scientist.com> | 2009-11-01 18:42:17 +0000 |
|---|---|---|
| committer | Gregory P. Smith <greg@mad-scientist.com> | 2009-11-01 18:42:17 +0000 |
| commit | 5046788ca59788046afb1b0b502c79e2905bf528 (patch) | |
| tree | e084e373cbe7f9d491232775e11771224b8d1278 /Lib/getpass.py | |
| parent | f3b800269c69d54a180097b929835fb016e07ba9 (diff) | |
| download | cpython-git-5046788ca59788046afb1b0b502c79e2905bf528.tar.gz | |
Merged revisions 76000,76016 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r76000 | gregory.p.smith | 2009-10-31 14:26:08 -0700 (Sat, 31 Oct 2009) | 7 lines
Fixes issue7208 - getpass would still allow the password to be echoed on
Solaris due to not flushing the input buffer.
This change also incorporates some additional getpass implementation
suggestions for security based on an analysis of getpass.c linked to from the
issue.
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r76016 | gregory.p.smith | 2009-11-01 10:33:55 -0800 (Sun, 01 Nov 2009) | 2 lines
news entry for r76000
........
Diffstat (limited to 'Lib/getpass.py')
| -rw-r--r-- | Lib/getpass.py | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/Lib/getpass.py b/Lib/getpass.py index d0030ae797..2eb01fac3d 100644 --- a/Lib/getpass.py +++ b/Lib/getpass.py @@ -62,12 +62,16 @@ def unix_getpass(prompt='Password: ', stream=None): try: old = termios.tcgetattr(fd) # a copy to save new = old[:] - new[3] &= ~termios.ECHO # 3 == 'lflags' + new[3] &= ~(termios.ECHO|termios.ISIG) # 3 == 'lflags' + tcsetattr_flags = termios.TCSAFLUSH + if hasattr(termios, 'TCSASOFT'): + tcsetattr_flags |= termios.TCSASOFT try: - termios.tcsetattr(fd, termios.TCSADRAIN, new) + termios.tcsetattr(fd, tcsetattr_flags, new) passwd = _raw_input(prompt, stream, input=input) finally: - termios.tcsetattr(fd, termios.TCSADRAIN, old) + termios.tcsetattr(fd, tcsetattr_flags, old) + stream.flush() # issue7208 except termios.error as e: if passwd is not None: # _raw_input succeeded. The final tcsetattr failed. Reraise @@ -124,6 +128,7 @@ def _raw_input(prompt="", stream=None, input=None): if prompt: stream.write(prompt) stream.flush() + # NOTE: The Python C API calls flockfile() (and unlock) during readline. line = input.readline() if not line: raise EOFError |