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Expand allowedUsers email field to support comma-separated and domains (#9)

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* Expand allowedUsers email field to support comma-separated and domains

Closes #8

* Refactor AuthFetch() to return AuthUser struct

Also, this breaks out a parseLine() function which can be easily tested.

* Ignore empty addrs after splitting commas

This ignores a trailing comma

* Add tests for auth parseLine()

* Update documentation in smtprelay.ini

* Fix bug where addrAllowed() was incorrectly case-sensitive

* Update allowedUsers allowed domain format to require leading @

This disambiguates a local user ('john.smith') from a domain ('example.com')
This commit is contained in:
Jonathon Reinhart
2021-02-14 16:16:18 -05:00
committed by GitHub
parent 5c2e28ac36
commit 0e8986ca79
5 changed files with 278 additions and 23 deletions
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9
smtprelay.ini
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@@ -37,7 +37,14 @@
; File which contains username and password used for
; authentication before they can send mail.
; File format: username bcrypt-hash [email]
; File format: username bcrypt-hash [email[,email[,...]]]
; username: The SMTP auth username
; bcrypt-hash: The bcrypt hash of the pasword (generate with "./hasher password")
; email: Comma-separated list of allowed "from" addresses:
; - If omitted, user can send from any address
; - If @domain.com is given, user can send from any address @domain.com
; - Otherwise, email address must match exactly (case-insensitive)
; E.g. "app@example.com,@appsrv.example.com"
;allowed_users =
; Relay all mails to this SMTP server