infrastructure/mox
1
0
Fork 0
mirror of https://github.com/mjl-/mox.git synced 2025-07-10 07:54:40 +03:00
Code Issues Packages Projects Releases Wiki Activity

refuse to add an address when its localpart contains the domains catchall separator, or when its canonicalized address (e.g. lower cased when case-insensitive) is already present, and check at startup as well

Browse Source 
such configurations are certainly errors, but were silently accepted and highly
likely not doing what you may have hoped. i suspect no one has configured mox
this way.
This commit is contained in:
Mechiel Lukkien
2023-03-29 10:55:05 +02:00
parent 9b57c69c1c
commit 51ad345dbb
3 changed files with 49 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
mox-/config.go
View File

@ -60,8 +60,9 @@ type Config struct {
Dynamic config.Dynamic // Can only be accessed directly by tests. Use methods on Config for locked access.
dynamicMtime time.Time
DynamicLastCheck time.Time // For use by quickstart only to skip checks.
// From correctly-cased full address (localpart@domain) to account and
// address. Domains are IDNA names in utf8.
// From canonical full address (localpart@domain, lower-cased when
// case-insensitive, stripped of catchall separator) to account and address.
// Domains are IDNA names in utf8.
accountDestinations map[string]AccountDestination
}
@ -830,7 +831,7 @@ func prepareDynamicConfig(ctx context.Context, dynamicPath string, static config
c.Domains[d] = domain
}
// Post-process email addresses for fast lookups.
// Validate email addresses.
accDests = map[string]AccountDestination{}
for accName, acc := range c.Accounts {
var err error
@ -953,9 +954,18 @@ func prepareDynamicConfig(ctx context.Context, dynamicPath string, static config
}
replaceLocalparts[addrName] = address.Pack(true)
}
dc := c.Domains[address.Domain.Name()]
if lp, err := CanonicalLocalpart(address.Localpart, dc); err != nil {
addErrorf("canonicalizing localpart %s: %v", address.Localpart, err)
} else if dc.LocalpartCatchallSeparator != "" && strings.Contains(string(address.Localpart), dc.LocalpartCatchallSeparator) {
addErrorf("localpart of address %s includes domain catchall separator %s", address, dc.LocalpartCatchallSeparator)
} else {
address.Localpart = lp
}
addrFull := address.Pack(true)
if _, ok := accDests[addrFull]; ok {
addErrorf("duplicate destination address %q", addrFull)
addErrorf("duplicate canonicalized destination address %s", addrFull)
}
accDests[addrFull] = AccountDestination{address.Localpart, accName, dest}
}