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Fix panic due to metadata being nil #4719

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merged 10 commits into from
Jun 11, 2018
Merged

Fix panic due to metadata being nil #4719

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6b51207
Fix panic due to metadata being nil
vishalnayak Jun 7, 2018
d223e03
added a nil check
vishalnayak Jun 7, 2018
1b8c1d5
Added a test
vishalnayak Jun 7, 2018
4b82b1c
Merge branch 'master' into approle-metadata-fix
vishalnayak Jun 7, 2018
070e796
ensure metadata is never nil
vishalnayak Jun 11, 2018
e9cbcc8
Merge branch 'master' into approle-metadata-fix
vishalnayak Jun 11, 2018
5ee44f2
Remove unnecessary allocation
vishalnayak Jun 11, 2018
49dcf09
Merge branch 'master' into approle-metadata-fix
vishalnayak Jun 11, 2018
401dab1
revert back to early initialization
vishalnayak Jun 11, 2018
f6c3a10
Merge branch 'master' into approle-metadata-fix
vishalnayak Jun 11, 2018
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2 changes: 1 addition & 1 deletion builtin/credential/approle/path_login.go
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Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,7 @@ func (b *backend) pathLoginUpdate(ctx context.Context, req *logical.Request, dat
return logical.ErrorResponse("invalid role ID"), nil
}

var metadata map[string]string
metadata := make(map[string]string)
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In the secret id case, we unilaterally assign to metadata, which means we should still add a nil map check before writing in the role name in case that ever is (or might become with future revisions) nil.

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Secret IDs constructor is initializing the map. So, it is unlikely that metadata is nil. But still, I've added a nil check before assigning the role_name.

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Now that we have the nil check below, allocating the map isn't strictly necessary but I'm good either way :)

if role.BindSecretID {
secretID := strings.TrimSpace(data.Get("secret_id").(string))
if secretID == "" {
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