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ffae400179
This adds SPDX license headers in place of the wide assortment of things currently in our script headers. We default to GPL-2.0-only except for the oeqa code where it was clearly submitted and marked as MIT on the most part or some scripts which had the "or later" GPL versioning. The patch also drops other obsolete bits of file headers where they were encoountered such as editor modelines, obsolete maintainer information or the phrase "All rights reserved" which is now obsolete and not required in copyright headers (in this case its actually confusing for licensing as all rights were not reserved). More work is needed for OE-Core but this takes care of the bulk of the scripts and meta/lib directories. The top level LICENSE files are tweaked to match the new structure and the SPDX naming. (From OE-Core rev: f8c9c511b5f1b7dbd45b77f345cb6c048ae6763e) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
61 lines
2.2 KiB
Python
61 lines
2.2 KiB
Python
#
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# SPDX-License-Identifier: GPL-2.0-only
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#
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import os
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def sort_file(filename, mapping):
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"""
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Sorts a passwd or group file based on the numeric ID in the third column.
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If a mapping is given, the name from the first column is mapped via that
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dictionary instead (necessary for /etc/shadow and /etc/gshadow). If not,
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a new mapping is created on the fly and returned.
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"""
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new_mapping = {}
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with open(filename, 'rb+') as f:
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lines = f.readlines()
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# No explicit error checking for the sake of simplicity. /etc
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# files are assumed to be well-formed, causing exceptions if
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# not.
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for line in lines:
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entries = line.split(b':')
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name = entries[0]
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if mapping is None:
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id = int(entries[2])
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else:
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id = mapping[name]
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new_mapping[name] = id
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# Sort by numeric id first, with entire line as secondary key
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# (just in case that there is more than one entry for the same id).
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lines.sort(key=lambda line: (new_mapping[line.split(b':')[0]], line))
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# We overwrite the entire file, i.e. no truncate() necessary.
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f.seek(0)
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f.write(b''.join(lines))
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return new_mapping
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def remove_backup(filename):
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"""
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Removes the backup file for files like /etc/passwd.
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"""
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backup_filename = filename + '-'
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if os.path.exists(backup_filename):
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os.unlink(backup_filename)
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def sort_passwd(sysconfdir):
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"""
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Sorts passwd and group files in a rootfs /etc directory by ID.
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Backup files are sometimes are inconsistent and then cannot be
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sorted (YOCTO #11043), and more importantly, are not needed in
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the initial rootfs, so they get deleted.
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"""
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for main, shadow in (('passwd', 'shadow'),
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('group', 'gshadow')):
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filename = os.path.join(sysconfdir, main)
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remove_backup(filename)
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if os.path.exists(filename):
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mapping = sort_file(filename, None)
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filename = os.path.join(sysconfdir, shadow)
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remove_backup(filename)
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if os.path.exists(filename):
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sort_file(filename, mapping)
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