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Enable the goimports linter and fix reports.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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look if there are bind mounts that can shadow the /etc/passwd and
/etc/group files. In that case, look at the bind mount source.
Closes: https://github.com/containers/libpod/pull/4068#issuecomment-533782941
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Callers that only care about the IDs should try to convert the
identifier to an integer before calling the Get* functions, so they
can save the cost of hitting the filesystem and maybe or maybe not
finding the other fields (User.Name, etc.). But callers that *want*
the other fields but only actually need the ID can, with this commit,
just call the Get* function and ignore ErrNo*Entries responses:
user, err := lookup.GetUser(mount, userIDorName)
if err != nil && err != ErrNoPasswdEntries {
return err
}
Previously, they'd have to perform their own integer-conversion
attempt in Get* error handling, with logic like:
user, err := lookup.GetUser(mount, userIDorName)
if err == ErrNoPasswdEntries {
uuid, err := strconv.ParseUint(userIDorName, 10, 32)
if err == nil {
user.Uid = int(uuid)
}
} else if err != nil {
return err
}
Signed-off-by: W. Trevor King <wking@tremily.us>
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Container images can be created without passwd or group file, currently
if one of these containers gets run with a --user flag the container blows
up complaining about t a missing /etc/passwd file.
We just need to check if the error on read is ENOEXIST then allow the
read to return, not fail.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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for the purposes of performance and security, we use securejoin to contstruct
the root fs's path so that symlinks are what they appear to be and no pointing
to something naughty.
then instead of chrooting to parse /etc/passwd|/etc/group, we now use the runc user/group
methods which saves us quite a bit of performance.
Signed-off-by: baude <bbaude@redhat.com>
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