Files
poky/bitbake/lib/bb/fetch2/ssh.py
Frazer Clews fa5524890e bitbake: lib: amend code to use proper singleton comparisons where possible
amend the code to handle singleton comparisons properly so it only checks
if they only refer to the same object or not, and not bother
comparing the values.

(Bitbake rev: b809a6812aa15a8a9af97bc382cc4b19571e6bfc)

Signed-off-by: Frazer Clews <frazer.clews@codethink.co.uk>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2020-01-19 13:31:05 +00:00

112 lines
3.3 KiB
Python

'''
BitBake 'Fetch' implementations
This implementation is for Secure Shell (SSH), and attempts to comply with the
IETF secsh internet draft:
http://tools.ietf.org/wg/secsh/draft-ietf-secsh-scp-sftp-ssh-uri/
Currently does not support the sftp parameters, as this uses scp
Also does not support the 'fingerprint' connection parameter.
Please note that '/' is used as host, path separator not ':' as you may
be used to, also '~' can be used to specify user HOME, but again after '/'
Example SRC_URI:
SRC_URI = "ssh://user@host.example.com/dir/path/file.txt"
SRC_URI = "ssh://user@host.example.com/~/file.txt"
'''
# Copyright (C) 2006 OpenedHand Ltd.
#
#
# Based in part on svk.py:
# Copyright (C) 2006 Holger Hans Peter Freyther
# Based on svn.py:
# Copyright (C) 2003, 2004 Chris Larson
# Based on functions from the base bb module:
# Copyright 2003 Holger Schurig
#
#
# SPDX-License-Identifier: GPL-2.0-only
#
import re, os
from bb.fetch2 import FetchMethod
from bb.fetch2 import runfetchcmd
__pattern__ = re.compile(r'''
\s* # Skip leading whitespace
ssh:// # scheme
( # Optional username/password block
(?P<user>\S+) # username
(:(?P<pass>\S+))? # colon followed by the password (optional)
)?
(?P<cparam>(;[^;]+)*)? # connection parameters block (optional)
@
(?P<host>\S+?) # non-greedy match of the host
(:(?P<port>[0-9]+))? # colon followed by the port (optional)
/
(?P<path>[^;]+) # path on the remote system, may be absolute or relative,
# and may include the use of '~' to reference the remote home
# directory
(?P<sparam>(;[^;]+)*)? # parameters block (optional)
$
''', re.VERBOSE)
class SSH(FetchMethod):
'''Class to fetch a module or modules via Secure Shell'''
def supports(self, urldata, d):
return __pattern__.match(urldata.url) is not None
def supports_checksum(self, urldata):
return False
def urldata_init(self, urldata, d):
if 'protocol' in urldata.parm and urldata.parm['protocol'] == 'git':
raise bb.fetch2.ParameterError(
"Invalid protocol - if you wish to fetch from a git " +
"repository using ssh, you need to use " +
"git:// prefix with protocol=ssh", urldata.url)
m = __pattern__.match(urldata.url)
path = m.group('path')
host = m.group('host')
urldata.localpath = os.path.join(d.getVar('DL_DIR'),
os.path.basename(os.path.normpath(path)))
def download(self, urldata, d):
dldir = d.getVar('DL_DIR')
m = __pattern__.match(urldata.url)
path = m.group('path')
host = m.group('host')
port = m.group('port')
user = m.group('user')
password = m.group('pass')
if port:
portarg = '-P %s' % port
else:
portarg = ''
if user:
fr = user
if password:
fr += ':%s' % password
fr += '@%s' % host
else:
fr = host
fr += ':%s' % path
cmd = 'scp -B -r %s %s %s/' % (
portarg,
fr,
dldir
)
bb.fetch2.check_network_access(d, cmd, urldata.url)
runfetchcmd(cmd, d)