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sstatesig: Add descriptive error message to getpwuid/getgrgid "uid/gid not found" KeyError

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If path is not owned by any user installed on target it gives
insufficient error "getpwuid(): uid not found" which may be misleading.
This exception occurs if uid/gid of path was not found in PSEUDO_PASSWD
files, which simply means the path is owned by host user and there is
host user contamination.

Add more information to the exception message to make it easier for user
to debug.

[YOCTO #14031]

(From OE-Core rev: 887f0a606dd323de1098e8e8a0d65b8351b4006d)

Signed-off-by: Tomasz Dziendzielski <tomasz.dziendzielski@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 38540b59ed4ec8632e30a5fd6364b010d9da8470)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Tomasz Dziendzielski
2021-02-01 01:32:56 +01:00
committed by Richard Purdie
parent 4929a3c12e
commit fb3995faec
1 changed files with 4 additions and 2 deletions
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6
meta/lib/oe/sstatesig.py
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@@ -552,9 +552,11 @@ def OEOuthashBasic(path, sigfile, task, d):
try:
update_hash(" %10s" % pwd.getpwuid(s.st_uid).pw_name)
update_hash(" %10s" % grp.getgrgid(s.st_gid).gr_name)
except KeyError:
except KeyError as e:
bb.warn("KeyError in %s" % path)
raise
msg = ("KeyError: %s\nPath %s is owned by uid %d, gid %d, which doesn't match "
"any user/group on target. This may be due to host contamination." % (e, path, s.st_uid, s.st_gid))
raise Exception(msg).with_traceback(e.__traceback__)
if include_timestamps:
update_hash(" %10d" % s.st_mtime)