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Merge pull request #1528 from slingamn/issue1176_operprivs

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enhancements to operator privilege handling
This commit is contained in:
Shivaram Lingamneni 2021-02-09 22:56:58 -05:00 committed by GitHub
commit bb39399f97
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GPG Key ID: 4AEE18F83AFDEB23
17 changed files with 269 additions and 105 deletions
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1
Makefile
View File

@ -32,6 +32,7 @@ test:
cd irc/modes && go test . && go vet .
cd irc/mysql && go test . && go vet .
cd irc/passwd && go test . && go vet .
cd irc/sno && go test . && go vet .
cd irc/utils && go test . && go vet .
./.check-gofmt.sh

1
default.yaml
View File

@ -593,6 +593,7 @@ oper-classes:
- "vhosts"
- "sajoin"
- "samode"
- "snomasks"
# server admin: has full control of the ircd, including nickname and
# channel registrations

12
irc/channel.go
View File

@ -439,7 +439,7 @@ func (channel *Channel) Names(client *Client, rb *ResponseBuffer) {
channel.stateMutex.RLock()
clientData, isJoined := channel.members[client]
channel.stateMutex.RUnlock()
isOper := client.HasMode(modes.Operator)
isOper := client.HasRoleCapabs("sajoin")
respectAuditorium := channel.flags.HasMode(modes.Auditorium) && !isOper &&
(!isJoined || clientData.modes.HighestChannelUserMode() == modes.Mode(0))
isMultiPrefix := rb.session.capabilities.Has(caps.MultiPrefix)
@ -607,7 +607,7 @@ func (channel *Channel) hasClient(client *Client) bool {
// <mode> <mode params>
func (channel *Channel) modeStrings(client *Client) (result []string) {
hasPrivs := client.HasMode(modes.Operator)
hasPrivs := client.HasRoleCapabs("sajoin")
channel.stateMutex.RLock()
defer channel.stateMutex.RUnlock()
@ -1245,12 +1245,12 @@ func (channel *Channel) SendTopic(client *Client, rb *ResponseBuffer, sendNoTopi
// SetTopic sets the topic of this channel, if the client is allowed to do so.
func (channel *Channel) SetTopic(client *Client, topic string, rb *ResponseBuffer) {
if !(client.HasMode(modes.Operator) || channel.hasClient(client)) {
if !channel.hasClient(client) {
rb.Add(nil, client.server.name, ERR_NOTONCHANNEL, client.Nick(), channel.Name(), client.t("You're not on that channel"))
return
}
if channel.flags.HasMode(modes.OpOnlyTopic) && !channel.ClientIsAtLeast(client, modes.Halfop) {
if channel.flags.HasMode(modes.OpOnlyTopic) && !(channel.ClientIsAtLeast(client, modes.Halfop) || client.HasRoleCapabs("samode")) {
rb.Add(nil, client.server.name, ERR_CHANOPRIVSNEEDED, client.Nick(), channel.Name(), client.t("You're not a channel operator"))
return
}
@ -1487,10 +1487,6 @@ func (channel *Channel) Quit(client *Client) {
func (channel *Channel) Kick(client *Client, target *Client, comment string, rb *ResponseBuffer, hasPrivs bool) {
if !hasPrivs {
if !(client.HasMode(modes.Operator) || channel.hasClient(client)) {
rb.Add(nil, client.server.name, ERR_NOTONCHANNEL, client.Nick(), channel.Name(), client.t("You're not on that channel"))
return
}
if !channel.ClientHasPrivsOver(client, target) {
rb.Add(nil, client.server.name, ERR_CHANOPRIVSNEEDED, client.Nick(), channel.Name(), client.t("You don't have enough channel privileges"))
return

2
irc/chanserv.go
View File

@ -876,7 +876,7 @@ func csHowToBanHandler(service *ircService, server *Server, client *Client, comm
return
}
if !(channel.ClientIsAtLeast(client, modes.Operator) || client.HasRoleCapabs("samode")) {
if !(channel.ClientIsAtLeast(client, modes.ChannelOperator) || client.HasRoleCapabs("samode")) {
service.Notice(rb, client.t("Insufficient privileges"))
return
}

2
irc/client.go
View File

@ -1512,7 +1512,7 @@ func (client *Client) destroy(session *Session) {
// decrement stats if we have no more sessions, even if the client will not be destroyed
if shouldDecrement {
invisible := client.HasMode(modes.Invisible)
operator := client.HasMode(modes.LocalOperator) || client.HasMode(modes.Operator)
operator := client.HasMode(modes.Operator)
client.server.stats.Remove(registered, invisible, operator)
}

2
irc/client_lookup_set.go
View File

@ -222,7 +222,7 @@ func (clients *ClientManager) SetNick(client *Client, session *Session, newNick
}
if numSessions == 1 {
invisible := currentClient.HasMode(modes.Invisible)
operator := currentClient.HasMode(modes.Operator) || currentClient.HasMode(modes.LocalOperator)
operator := currentClient.HasMode(modes.Operator)
client.server.stats.AddRegistered(invisible, operator)
}
session.autoreplayMissedSince = lastSeen

21
irc/commands.go
View File

@ -7,13 +7,11 @@ package irc
import (
"github.com/goshuirc/irc-go/ircmsg"
"github.com/oragono/oragono/irc/modes"
)
// Command represents a command accepted from a client.
type Command struct {
handler func(server *Server, client *Client, msg ircmsg.IrcMessage, rb *ResponseBuffer) bool
oper bool
usablePreReg bool
allowedInBatch bool // allowed in client-to-server batches
minParams int
@ -32,10 +30,6 @@ func (cmd *Command) Run(server *Server, client *Client, session *Session, msg ir
rb.Add(nil, server.name, ERR_NOTREGISTERED, "*", client.t("You need to register before you can use that command"))
return false
}
if cmd.oper && !client.HasMode(modes.Operator) {
rb.Add(nil, server.name, ERR_NOPRIVILEGES, client.Nick(), client.t("Permission Denied - You're not an IRC operator"))
return false
}
if len(cmd.capabs) > 0 && !client.HasRoleCapabs(cmd.capabs...) {
rb.Add(nil, server.name, ERR_NOPRIVILEGES, client.Nick(), client.t("Permission Denied"))
return false
@ -115,7 +109,7 @@ func init() {
"DEBUG": {
handler: debugHandler,
minParams: 1,
oper: true,
capabs: []string{"rehash"},
},
"DEFCON": {
handler: defconHandler,
@ -124,12 +118,11 @@ func init() {
"DEOPER": {
handler: deoperHandler,
minParams: 0,
oper: true,
},
"DLINE": {
handler: dlineHandler,
minParams: 1,
oper: true,
capabs: []string{"ban"},
},
"EXTJWT": {
handler: extjwtHandler,
@ -169,13 +162,12 @@ func init() {
"KILL": {
handler: killHandler,
minParams: 1,
oper: true,
capabs: []string{"kill"},
},
"KLINE": {
handler: klineHandler,
minParams: 1,
oper: true,
capabs: []string{"ban"},
},
"LANGUAGE": {
handler: languageHandler,
@ -278,7 +270,7 @@ func init() {
"SANICK": {
handler: sanickHandler,
minParams: 2,
oper: true,
capabs: []string{"samode"},
},
"SAMODE": {
handler: modeHandler,
@ -308,7 +300,6 @@ func init() {
"REHASH": {
handler: rehashHandler,
minParams: 0,
oper: true,
capabs: []string{"rehash"},
},
"TIME": {
@ -327,7 +318,7 @@ func init() {
"UNDLINE": {
handler: unDLineHandler,
minParams: 1,
oper: true,
capabs: []string{"ban"},
},
"UNINVITE": {
handler: inviteHandler,
@ -336,7 +327,7 @@ func init() {
"UNKLINE": {
handler: unKLineHandler,
minParams: 1,
oper: true,
capabs: []string{"ban"},
},
"USER": {
handler: userHandler,

45
irc/handlers.go
View File

@ -757,10 +757,6 @@ func debugHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *Res
rb.Notice(fmt.Sprintf("CPU profiling stopped"))
case "CRASHSERVER":
if !client.HasRoleCapabs("rehash") {
rb.Notice(client.t("You must have rehash permissions in order to execute DEBUG CRASHSERVER"))
return false
}
code := utils.ConfirmationCode(server.name, server.ctime)
if len(msg.Params) == 1 || msg.Params[1] != code {
rb.Notice(fmt.Sprintf(client.t("To confirm, run this command: %s"), fmt.Sprintf("/DEBUG CRASHSERVER %s", code)))
@ -1293,6 +1289,7 @@ func sajoinHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *Re
// KICK <channel>{,<channel>} <user>{,<user>} [<comment>]
func kickHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *ResponseBuffer) bool {
hasPrivs := client.HasRoleCapabs("samode")
channels := strings.Split(msg.Params[0], ",")
users := strings.Split(msg.Params[1], ",")
if (len(channels) != len(users)) && (len(users) != 1) {
@ -1336,7 +1333,7 @@ func kickHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *Resp
if comment == "" {
comment = kick.nick
}
channel.Kick(client, target, comment, rb, false)
channel.Kick(client, target, comment, rb, hasPrivs)
}
return false
}
@ -1618,7 +1615,7 @@ func listHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *Resp
rb.Add(nil, client.server.name, RPL_LIST, nick, name, strconv.Itoa(members), topic)
}
clientIsOp := client.HasMode(modes.Operator)
clientIsOp := client.HasRoleCapabs("sajoin")
if len(channels) == 0 {
for _, channel := range server.channels.Channels() {
if !clientIsOp && channel.flags.HasMode(modes.Secret) {
@ -1775,7 +1772,7 @@ func umodeHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *Res
rb.Add(nil, cDetails.nickMask, "MODE", args...)
} else if hasPrivs {
rb.Add(nil, server.name, RPL_UMODEIS, targetNick, target.ModeString())
if target.HasMode(modes.LocalOperator) || target.HasMode(modes.Operator) {
if target.HasMode(modes.Operator) {
masks := server.snomasks.String(target)
if 0 < len(masks) {
rb.Add(nil, server.name, RPL_SNOMASKIS, targetNick, masks, client.t("Server notice masks"))
@ -1959,7 +1956,7 @@ func namesHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *Res
success := false
channel := server.channels.Get(chname)
if channel != nil {
if !channel.flags.HasMode(modes.Secret) || channel.hasClient(client) || client.HasMode(modes.Operator) {
if !channel.flags.HasMode(modes.Secret) || channel.hasClient(client) || client.HasRoleCapabs("sajoin") {
channel.Names(client, rb)
success = true
}
@ -2338,6 +2335,10 @@ func applyOper(client *Client, oper *Oper, rb *ResponseBuffer) {
// DEOPER
func deoperHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *ResponseBuffer) bool {
if client.Oper() == nil {
rb.Notice(client.t("Insufficient oper privs"))
return false
}
// pretend they sent /MODE $nick -o
fakeModeMsg := ircmsg.MakeMessage(nil, "", "MODE", client.Nick(), "-o")
return umodeHandler(server, client, fakeModeMsg, rb)
@ -2944,7 +2945,7 @@ func operStatusVisible(client, target *Client, hasPrivs bool) bool {
// USERHOST <nickname>{ <nickname>}
func userhostHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *ResponseBuffer) bool {
hasPrivs := client.HasMode(modes.Operator) // TODO(#1176) figure out the right capab for this
hasPrivs := client.HasMode(modes.Operator)
returnedClients := make(ClientSet)
var tl utils.TokenLineBuilder
@ -3083,7 +3084,7 @@ func (fields whoxFields) Has(field rune) bool {
// <channel> <user> <host> <server> <nick> <H|G>[*][~|&|@|%|+][B] :<hopcount> <real name>
// whox format:
// <type> <channel> <user> <ip> <host> <server> <nick> <H|G>[*][~|&|@|%|+][B] <hops> <idle> <account> <rank> :<real name>
func (client *Client) rplWhoReply(channel *Channel, target *Client, rb *ResponseBuffer, hasPrivs, includeRFlag, isWhox bool, fields whoxFields, whoType string) {
func (client *Client) rplWhoReply(channel *Channel, target *Client, rb *ResponseBuffer, canSeeIPs, canSeeOpers, includeRFlag, isWhox bool, fields whoxFields, whoType string) {
params := []string{client.Nick()}
details := target.Details()
@ -3103,7 +3104,7 @@ func (client *Client) rplWhoReply(channel *Channel, target *Client, rb *Response
}
if fields.Has('i') {
fIP := "255.255.255.255"
if hasPrivs || client == target {
if canSeeIPs || client == target {
// you can only see a target's IP if they're you or you're an oper
fIP = target.IPString()
}
@ -3126,7 +3127,7 @@ func (client *Client) rplWhoReply(channel *Channel, target *Client, rb *Response
flags.WriteRune('H') // Here
}
if target.HasMode(modes.Operator) && operStatusVisible(client, target, hasPrivs) {
if target.HasMode(modes.Operator) && operStatusVisible(client, target, canSeeOpers) {
flags.WriteRune('*')
}
@ -3229,23 +3230,23 @@ func whoHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *Respo
// operatorOnly = true
//}
isOper := client.HasMode(modes.Operator)
oper := client.Oper()
hasPrivs := oper.HasRoleCapab("sajoin")
canSeeIPs := oper.HasRoleCapab("ban")
if mask[0] == '#' {
// TODO implement wildcard matching
//TODO(dan): ^ only for opers
channel := server.channels.Get(mask)
if channel != nil {
isJoined := channel.hasClient(client)
if !channel.flags.HasMode(modes.Secret) || isJoined || isOper {
if !channel.flags.HasMode(modes.Secret) || isJoined || hasPrivs {
var members []*Client
if isOper {
if hasPrivs {
members = channel.Members()
} else {
members = channel.auditoriumFriends(client)
}
for _, member := range members {
if !member.HasMode(modes.Invisible) || isJoined || isOper {
client.rplWhoReply(channel, member, rb, isOper, includeRFlag, isWhox, fields, whoType)
if !member.HasMode(modes.Invisible) || isJoined || hasPrivs {
client.rplWhoReply(channel, member, rb, canSeeIPs, oper != nil, includeRFlag, isWhox, fields, whoType)
}
}
}
@ -3275,8 +3276,8 @@ func whoHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *Respo
}
for mclient := range server.clients.FindAll(mask) {
if isOper || !mclient.HasMode(modes.Invisible) || isFriend(mclient) {
client.rplWhoReply(nil, mclient, rb, isOper, includeRFlag, isWhox, fields, whoType)
if hasPrivs || !mclient.HasMode(modes.Invisible) || isFriend(mclient) {
client.rplWhoReply(nil, mclient, rb, canSeeIPs, oper != nil, includeRFlag, isWhox, fields, whoType)
}
}
}
@ -3319,7 +3320,7 @@ func whoisHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *Res
return true
}
hasPrivs := client.HasMode(modes.Operator) // TODO(#1176) figure out the right capab for this
hasPrivs := client.HasRoleCapabs("samode")
if hasPrivs {
for _, mask := range strings.Split(masksString, ",") {
matches := server.clients.FindAll(mask)

40
irc/modes.go
View File

@ -37,14 +37,14 @@ func ApplyUserModeChanges(client *Client, changes modes.ModeChanges, force bool,
if change.Mode != modes.ServerNotice {
switch change.Op {
case modes.Add:
if (change.Mode == modes.Operator || change.Mode == modes.LocalOperator) && !(force && oper != nil) {
if (change.Mode == modes.Operator) && !(force && oper != nil) {
continue
}
if client.SetMode(change.Mode, true) {
if change.Mode == modes.Invisible {
client.server.stats.ChangeInvisible(1)
} else if change.Mode == modes.Operator || change.Mode == modes.LocalOperator {
} else if change.Mode == modes.Operator {
client.server.stats.ChangeOperators(1)
}
applied = append(applied, change)
@ -55,7 +55,7 @@ func ApplyUserModeChanges(client *Client, changes modes.ModeChanges, force bool,
if client.SetMode(change.Mode, false) {
if change.Mode == modes.Invisible {
client.server.stats.ChangeInvisible(-1)
} else if change.Mode == modes.Operator || change.Mode == modes.LocalOperator {
} else if change.Mode == modes.Operator {
removedSnomasks = client.server.snomasks.String(client)
client.server.stats.ChangeOperators(-1)
applyOper(client, nil, nil)
@ -75,26 +75,28 @@ func ApplyUserModeChanges(client *Client, changes modes.ModeChanges, force bool,
}
} else {
// server notices are weird
if !client.HasMode(modes.Operator) {
if !client.HasMode(modes.Operator) || change.Op == modes.List {
continue
}
var masks []sno.Mask
if change.Op == modes.Add || change.Op == modes.Remove {
var newArg string
for _, char := range change.Arg {
mask := sno.Mask(char)
if sno.ValidMasks[mask] {
masks = append(masks, mask)
newArg += string(char)
}
currentMasks := client.server.snomasks.MasksEnabled(client)
addMasks, removeMasks, newArg := sno.EvaluateSnomaskChanges(change.Op == modes.Add, change.Arg, currentMasks)
success := false
if len(addMasks) != 0 {
oper := client.Oper()
// #1176: require special operator privileges to subscribe to snomasks
if oper.HasRoleCapab("snomasks") || oper.HasRoleCapab("ban") {
success = true
client.server.snomasks.AddMasks(client, addMasks...)
}
change.Arg = newArg
}
if change.Op == modes.Add {
client.server.snomasks.AddMasks(client, masks...)
applied = append(applied, change)
} else if change.Op == modes.Remove {
client.server.snomasks.RemoveMasks(client, masks...)
if len(removeMasks) != 0 {
success = true
client.server.snomasks.RemoveMasks(client, removeMasks...)
}
if success {
change.Arg = newArg
applied = append(applied, change)
}
}

5
irc/modes/modes.go
View File

@ -101,7 +101,6 @@ func (modes Modes) String() string {
const (
Bot Mode = 'B'
Invisible Mode = 'i'
LocalOperator Mode = 'O'
Operator Mode = 'o'
Restricted Mode = 'r'
RegisteredOnly Mode = 'R'
@ -213,12 +212,10 @@ func ParseUserModeChanges(params ...string) (ModeChanges, map[rune]bool) {
// put arg into modechange if needed
switch Mode(mode) {
case ServerNotice:
// always require arg
// arg is optional for ServerNotice (we accept bare `-s`)
if len(params) > skipArgs {
change.Arg = params[skipArgs]
skipArgs++
} else {
continue
}
}

32
irc/modes/modes_test.go
View File

@ -15,6 +15,38 @@ func assertEqual(supplied, expected interface{}, t *testing.T) {
}
}
func TestParseUserModeChanges(t *testing.T) {
emptyUnknown := make(map[rune]bool)
changes, unknown := ParseUserModeChanges("+i")
assertEqual(unknown, emptyUnknown, t)
assertEqual(changes, ModeChanges{ModeChange{Op: Add, Mode: Invisible}}, t)
// no-op change to sno
changes, unknown = ParseUserModeChanges("+is")
assertEqual(unknown, emptyUnknown, t)
assertEqual(changes, ModeChanges{ModeChange{Op: Add, Mode: Invisible}, ModeChange{Op: Add, Mode: ServerNotice}}, t)
// add snomasks
changes, unknown = ParseUserModeChanges("+is", "ac")
assertEqual(unknown, emptyUnknown, t)
assertEqual(changes, ModeChanges{ModeChange{Op: Add, Mode: Invisible}, ModeChange{Op: Add, Mode: ServerNotice, Arg: "ac"}}, t)
// remove snomasks
changes, unknown = ParseUserModeChanges("+s", "-cx")
assertEqual(unknown, emptyUnknown, t)
assertEqual(changes, ModeChanges{ModeChange{Op: Add, Mode: ServerNotice, Arg: "-cx"}}, t)
// remove all snomasks (arg is parsed but has no meaning)
changes, unknown = ParseUserModeChanges("-is", "ac")
assertEqual(unknown, emptyUnknown, t)
assertEqual(changes, ModeChanges{ModeChange{Op: Remove, Mode: Invisible}, ModeChange{Op: Remove, Mode: ServerNotice, Arg: "ac"}}, t)
// remove all snomasks
changes, unknown = ParseUserModeChanges("-is")
assertEqual(unknown, emptyUnknown, t)
assertEqual(changes, ModeChanges{ModeChange{Op: Remove, Mode: Invisible}, ModeChange{Op: Remove, Mode: ServerNotice}}, t)
}
func TestIssue874(t *testing.T) {
emptyUnknown := make(map[rune]bool)
modes, unknown := ParseChannelModeChanges("+k")

23
irc/server.go
View File

@ -459,15 +459,13 @@ func (server *Server) MOTD(client *Client, rb *ResponseBuffer) {
rb.Add(nil, server.name, RPL_ENDOFMOTD, client.nick, client.t("End of MOTD command"))
}
// WhoisChannelsNames returns the common channel names between two users.
func (client *Client) WhoisChannelsNames(target *Client, multiPrefix bool) []string {
func (client *Client) whoisChannelsNames(target *Client, multiPrefix bool, hasPrivs bool) []string {
var chstrs []string
targetInvis := target.HasMode(modes.Invisible)
for _, channel := range target.Channels() {
// channel is secret and the target can't see it
if !client.HasMode(modes.Operator) {
if (target.HasMode(modes.Invisible) || channel.flags.HasMode(modes.Secret)) && !channel.hasClient(client) {
continue
}
if !hasPrivs && (targetInvis || channel.flags.HasMode(modes.Secret)) && !channel.hasClient(client) {
// client can't see *this* channel membership
continue
}
chstrs = append(chstrs, channel.ClientPrefixes(target, multiPrefix)+channel.name)
}
@ -475,23 +473,26 @@ func (client *Client) WhoisChannelsNames(target *Client, multiPrefix bool) []str
}
func (client *Client) getWhoisOf(target *Client, hasPrivs bool, rb *ResponseBuffer) {
oper := client.Oper()
cnick := client.Nick()
targetInfo := target.Details()
rb.Add(nil, client.server.name, RPL_WHOISUSER, cnick, targetInfo.nick, targetInfo.username, targetInfo.hostname, "*", targetInfo.realname)
tnick := targetInfo.nick
whoischannels := client.WhoisChannelsNames(target, rb.session.capabilities.Has(caps.MultiPrefix))
whoischannels := client.whoisChannelsNames(target, rb.session.capabilities.Has(caps.MultiPrefix), oper.HasRoleCapab("sajoin"))
if whoischannels != nil {
rb.Add(nil, client.server.name, RPL_WHOISCHANNELS, cnick, tnick, strings.Join(whoischannels, " "))
}
if target.HasMode(modes.Operator) && operStatusVisible(client, target, hasPrivs) {
if target.HasMode(modes.Operator) && operStatusVisible(client, target, oper != nil) {
tOper := target.Oper()
if tOper != nil {
rb.Add(nil, client.server.name, RPL_WHOISOPERATOR, cnick, tnick, tOper.WhoisLine)
}
}
if client == target || hasPrivs {
if client == target || oper.HasRoleCapab("ban") {
rb.Add(nil, client.server.name, RPL_WHOISACTUALLY, cnick, tnick, fmt.Sprintf("%s@%s", targetInfo.username, target.RawHostname()), target.IPString(), client.t("Actual user@host, Actual IP"))
}
if client == target || oper.HasRoleCapab("samode") {
rb.Add(nil, client.server.name, RPL_WHOISMODES, cnick, tnick, fmt.Sprintf(client.t("is using modes +%s"), target.modes.String()))
}
if target.HasMode(modes.TLS) {
@ -504,7 +505,7 @@ func (client *Client) getWhoisOf(target *Client, hasPrivs bool, rb *ResponseBuff
rb.Add(nil, client.server.name, RPL_WHOISBOT, cnick, tnick, fmt.Sprintf(ircfmt.Unescape(client.t("is a $bBot$b on %s")), client.server.Config().Network.Name))
}
if client == target || hasPrivs {
if client == target || oper.HasRoleCapab("ban") {
for _, session := range target.Sessions() {
if session.certfp != "" {
rb.Add(nil, client.server.name, RPL_WHOISCERTFP, cnick, tnick, fmt.Sprintf(client.t("has client certificate fingerprint %s"), session.certfp))

28
irc/sno/constants.go
View File

@ -7,6 +7,8 @@ package sno
// Mask is a type of server notice mask.
type Mask rune
type Masks []Mask
// Notice mask types
const (
LocalAnnouncements Mask = 'a'
@ -18,8 +20,8 @@ const (
LocalQuits Mask = 'q'
Stats Mask = 't'
LocalAccounts Mask = 'u'
LocalXline Mask = 'x'
LocalVhosts Mask = 'v'
LocalXline Mask = 'x'
)
var (
@ -39,17 +41,17 @@ var (
}
// ValidMasks contains the snomasks that we support.
ValidMasks = map[Mask]bool{
LocalAnnouncements: true,
LocalConnects: true,
LocalChannels: true,
LocalKills: true,
LocalNicks: true,
LocalOpers: true,
LocalQuits: true,
Stats: true,
LocalAccounts: true,
LocalXline: true,
LocalVhosts: true,
ValidMasks = []Mask{
LocalAnnouncements,
LocalConnects,
LocalChannels,
LocalKills,
LocalNicks,
LocalOpers,
LocalQuits,
Stats,
LocalAccounts,
LocalVhosts,
LocalXline,
}
)

87
irc/sno/utils.go Normal file
View File

@ -0,0 +1,87 @@
// Copyright (c) 2020 Shivaram Lingamneni
// released under the MIT license
package sno
import (
"strings"
)
func IsValidMask(r rune) bool {
for _, m := range ValidMasks {
if m == Mask(r) {
return true
}
}
return false
}
func (masks Masks) String() string {
var buf strings.Builder
buf.Grow(len(masks))
for _, m := range masks {
buf.WriteRune(rune(m))
}
return buf.String()
}
func (masks Masks) Contains(mask Mask) bool {
for _, m := range masks {
if mask == m {
return true
}
}
return false
}
// Evaluate changes to snomasks made with MODE. There are several cases:
// adding snomasks with `/mode +s a` or `/mode +s +a`, removing them with `/mode +s -a`,
// adding all with `/mode +s *` or `/mode +s +*`, removing all with `/mode +s -*` or `/mode -s`
func EvaluateSnomaskChanges(add bool, arg string, currentMasks Masks) (addMasks, removeMasks Masks, newArg string) {
if add {
if len(arg) == 0 {
return
}
add := true
switch arg[0] {
case '+':
arg = arg[1:]
case '-':
add = false
arg = arg[1:]
default:
// add
}
if strings.IndexByte(arg, '*') != -1 {
if add {
for _, mask := range ValidMasks {
if !currentMasks.Contains(mask) {
addMasks = append(addMasks, mask)
}
}
} else {
removeMasks = currentMasks
}
} else {
for _, r := range arg {
if IsValidMask(r) {
m := Mask(r)
if add && !currentMasks.Contains(m) {
addMasks = append(addMasks, m)
} else if !add && currentMasks.Contains(m) {
removeMasks = append(removeMasks, m)
}
}
}
}
if len(addMasks) != 0 {
newArg = "+" + addMasks.String()
} else if len(removeMasks) != 0 {
newArg = "-" + removeMasks.String()
}
} else {
removeMasks = currentMasks
newArg = ""
}
return
}

53
irc/sno/utils_test.go Normal file
View File

@ -0,0 +1,53 @@
// Copyright (c) 2020 Shivaram Lingamneni
// released under the MIT license
package sno
import (
"fmt"
"reflect"
"testing"
)
func assertEqual(supplied, expected interface{}, t *testing.T) {
if !reflect.DeepEqual(supplied, expected) {
panic(fmt.Sprintf("expected %#v but got %#v", expected, supplied))
}
}
func TestEvaluateSnomaskChanges(t *testing.T) {
add, remove, newArg := EvaluateSnomaskChanges(true, "*", nil)
assertEqual(add, Masks{'a', 'c', 'j', 'k', 'n', 'o', 'q', 't', 'u', 'v', 'x'}, t)
assertEqual(len(remove), 0, t)
assertEqual(newArg, "+acjknoqtuvx", t)
add, remove, newArg = EvaluateSnomaskChanges(true, "*", Masks{'a', 'u'})
assertEqual(add, Masks{'c', 'j', 'k', 'n', 'o', 'q', 't', 'v', 'x'}, t)
assertEqual(len(remove), 0, t)
assertEqual(newArg, "+cjknoqtvx", t)
add, remove, newArg = EvaluateSnomaskChanges(true, "-a", Masks{'a', 'u'})
assertEqual(len(add), 0, t)
assertEqual(remove, Masks{'a'}, t)
assertEqual(newArg, "-a", t)
add, remove, newArg = EvaluateSnomaskChanges(true, "-*", Masks{'a', 'u'})
assertEqual(len(add), 0, t)
assertEqual(remove, Masks{'a', 'u'}, t)
assertEqual(newArg, "-au", t)
add, remove, newArg = EvaluateSnomaskChanges(true, "+c", Masks{'a', 'u'})
assertEqual(add, Masks{'c'}, t)
assertEqual(len(remove), 0, t)
assertEqual(newArg, "+c", t)
add, remove, newArg = EvaluateSnomaskChanges(false, "", Masks{'a', 'u'})
assertEqual(len(add), 0, t)
assertEqual(remove, Masks{'a', 'u'}, t)
assertEqual(newArg, "", t)
add, remove, newArg = EvaluateSnomaskChanges(false, "*", Masks{'a', 'u'})
assertEqual(len(add), 0, t)
assertEqual(remove, Masks{'a', 'u'}, t)
assertEqual(newArg, "", t)
}

19
irc/snomanager.go
View File

@ -24,11 +24,6 @@ func (m *SnoManager) AddMasks(client *Client, masks ...sno.Mask) {
defer m.sendListMutex.Unlock()
for _, mask := range masks {
// confirm mask is valid
if !sno.ValidMasks[mask] {
continue
}
currentClientList := m.sendLists[mask]
if currentClientList == nil {
@ -101,19 +96,23 @@ func (m *SnoManager) Send(mask sno.Mask, content string) {
}
}
// String returns the snomasks currently enabled.
func (m *SnoManager) String(client *Client) string {
// MasksEnabled returns the snomasks currently enabled.
func (m *SnoManager) MasksEnabled(client *Client) (result sno.Masks) {
m.sendListMutex.RLock()
defer m.sendListMutex.RUnlock()
var masks string
for mask, clients := range m.sendLists {
for c := range clients {
if c == client {
masks += string(mask)
result = append(result, mask)
break
}
}
}
return masks
return
}
func (m *SnoManager) String(client *Client) string {
masks := m.MasksEnabled(client)
return masks.String()
}

1
traditional.yaml
View File

@ -565,6 +565,7 @@ oper-classes:
- "vhosts"
- "sajoin"
- "samode"
- "snomasks"
# server admin: has full control of the ircd, including nickname and
# channel registrations