Exemple #1
0
func cmdOperflags(source interface{}, params [][]byte) {
	c := source.(*Client)

	var target *core.User
	if target = core.GetUserByNick(string(params[0])); target == nil {
		c.SendLineTo(nil, "401", "%s %s :No such user.", c.u.Nick(),
			params[0])
		return
	}

	var flags string
	if flags = target.Data("op"); flags == "" {
		c.SendLineTo(nil, "304", ":OPERFLAGS: %s has no server oper flags.", target.Nick())
		return
	}

	if flags == "on" {
		flags = perm.DefaultServerOp()
	}
	c.SendLineTo(nil, "304", ":OPERFLAGS: %s has server oper flags: %s", target.Nick(), flags)

	var commands string
	if commands = target.Data("opcommands"); commands == "" {
		return
	}
	c.SendLineTo(nil, "304", ":OPERFLAGS: %s also has the following specific commands: %s", target.Nick(), commands)
}
Exemple #2
0
func cmdUserhost(source interface{}, params [][]byte) {
	c := source.(*Client)

	nicks := strings.Fields(string(params[0]))
	var replyline string
	for _, nick := range nicks {
		var user *core.User
		if user = core.GetUserByNick(nick); user == nil {
			continue
		}

		if replyline != "" {
			replyline += " "
		}

		replyline += nick
		if user.Data("op") != "" {
			replyline += "*"
		}
		replyline += "="
		if user.Data("away") != "" {
			replyline += "-"
		} else {
			replyline += "+"
		}
		replyline += user.GetHostname()
	}

	c.SendLineTo(nil, "302", ":%s", replyline)
}
Exemple #3
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func cmdOkick(source interface{}, params [][]byte) {
	c := source.(*client.Client)

	var ch *core.Channel
	var target *core.User

	channame := string(params[0])
	if channame[0] == '#' {
		channame = channame[1:]
	}
	if ch = core.FindChannel("", channame); ch == nil {
		return
	}

	if target = core.GetUserByNick(string(params[1])); target == nil {
		return
	}

	perm, err := perm.CheckRemovePerm("", c.User(), target, ch)
	if perm < -1000000 {
		c.SendLineTo(nil, "482", "#%s :%s", ch.Name(), err)
		return
	}

	var message string
	if len(params) > 2 {
		message = string(params[2])
	}
	ch.Remove(nil, nil, target, message)
}
Exemple #4
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func cmdKill(source interface{}, params [][]byte) {
	c := source.(*Client)

	targets := strings.Split(string(params[0]), ",", -1)
	message := string(params[1])
	for _, t := range targets {

		if target := core.GetUserByNick(string(t)); target != nil {
			perm, err := perm.CheckKillPerm(me, c.u, target)
			if perm < -1000000 {
				c.SendLineTo(nil, "404", "%s :%s", target.Nick(), err)
				continue
			}

			// Send a kill message to the user if they're killing
			// themselves. The rest of the server treats this as a
			// quit, but their client won't understand this.
			if target == c.u {
				c.SendLineTo(c.u, "KILL", "%s (%s)", c.u.Nick(), message)
			}

			// Kill the user.
			target.Delete(me, c.u, message)

			continue
		}

		c.SendLineTo(nil, "401", "%s :%s", t, "No such nick.")
	}
}
Exemple #5
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func cmdNotice(source interface{}, params [][]byte) {
	c := source.(*Client)

	targets := strings.Split(string(params[0]), ",", -1)
	for _, t := range targets {
		if target := core.GetUserByNick(string(t)); target != nil {
			if ok, err := perm.CheckUserMsg(me, c.u, target, params[1],
				"noreply"); ok {
				target.Message(me, c.u, params[1], "noreply")
			} else {
				c.SendLineTo(nil, "404", "%s :%s", target.Nick(), err)
			}
			continue
		}

		if t[0] == '#' {
			channame := string(t[1:])
			ch := core.FindChannel("", channame)
			if ch != nil {
				if ok, err := perm.CheckChanMsg(c.u, ch,
					params[1], " noreply"); ok {
					ch.Message(me, c.u, params[1], "noreply")
				} else {
					c.SendLineTo(nil, "404", "#%s :%s", ch.Name(), err)
				}
				continue
			}
		}

		c.SendLineTo(nil, "401", "%s :%s", t, "No such nick or channel.")
	}
}
Exemple #6
0
func cmdOpflags(source interface{}, params [][]byte) {
	c := source.(*Client)
	channame := string(params[0])
	if channame[0] == '#' {
		channame = channame[1:]
	}

	var ch *core.Channel
	if ch = core.FindChannel("", channame); ch == nil {
		c.SendLineTo(nil, "403", "#%s :No such channel.", channame)
		return
	}

	// If the user isn't on the channel, don't let them check unless they
	// can view private channel data.
	if m := ch.GetMember(c.u); m == nil {
		if ok, err := perm.CheckChanViewData(me, c.u, ch, "members"); !ok {
			c.SendLineTo(nil, "482", "#%s :%s", ch.Name(), err)
			return
		}
	}

	var target *core.User
	if target = core.GetUserByNick(string(params[1])); target == nil {
		c.SendLineTo(nil, "401", "%s :No such user.", params[1])
		return
	}

	var m *core.Membership
	if m = ch.GetMember(target); m == nil {
		c.SendLineTo(nil, "304", ":OPFLAGS #%s: %s is not in the channel.", ch.Name(), target.Nick())
		return
	}
	if ok, err := perm.CheckMemberViewData(me, c.u, m, "op"); !ok {
		c.SendLineTo(nil, "482", "#%s :%s: %s", ch.Name(), target.Nick(), err)
		return
	}

	var flags string
	if flags = m.Data("op"); flags == "" {
		c.SendLineTo(nil, "304", ":OPFLAGS #%s: %s has no channel op flags.", ch.Name(), target.Nick())
		return
	}

	if flags == "on" {
		flags = perm.DefaultChanOp()
	}
	c.SendLineTo(nil, "304", ":OPFLAGS #%s: %s has channel op flags: %s", ch.Name(), target.Nick(), flags)
}
Exemple #7
0
func cmdIsOn(source interface{}, params [][]byte) {
	c := source.(*Client)

	nicks := strings.Fields(string(params[0]))
	var replyline string
	for _, nick := range nicks {
		if core.GetUserByNick(nick) != nil {
			if replyline != "" {
				replyline += " "
			}
			replyline += nick
		}
	}

	c.SendLineTo(nil, "303", ":%s", replyline)
}
Exemple #8
0
// ParseModeLine parses a line of mode changes into core.DataChange structs.
// Redundant changes are compressed down into one.
// An error is returned if unknown modes are encountered, or modes are dropped
// due to missing parameters. The remainder of the modes are still parsed.
// e is the user or channel being changed.
func (p *ModeParser) ParseModeLine(source *core.User, e core.Extensible, modeline []byte, params []string) ([]core.DataChange, os.Error) {
	var adding bool = true
	var unknown string
	var missing string
	var param int
	modes := string(modeline)
	changes := make(map[string]core.DataChange)

	for _, char := range modes {

		if char == '+' {
			adding = true
			continue
		} else if char == '-' {
			adding = false
			continue
		}

		if v, ok := p.simple[char]; ok {
			if v, ok := p.extended[char]; ok {
				newchanges := v(adding, e, "")
				for _, it := range newchanges {
					changes[it.Name] = it
				}
				continue
			}

			var change core.DataChange
			change.Name = v
			if adding {
				change.Data = "on"
			}

			changes[change.Name] = change
			continue
		}

		if v, ok := p.parametered[char]; ok {
			var change core.DataChange
			if adding {
				if param >= len(params) {
					missing += string(char)
					continue
				}

				if v, ok := p.extended[char]; ok {
					newch := v(adding, e, params[param])
					param++
					for _, it := range newch {
						changes[it.Name] = it
					}
					continue
				}

				change.Name = v
				change.Data = params[param]
				param++
			} else {
				if v, ok := p.extended[char]; ok {
					newchanges := v(adding, e, "")
					for _, it := range newchanges {
						changes[it.Name] = it
					}
					continue
				}

				change.Name = v
			}

			changes[change.Name] = change
			continue
		}

		if v, ok := p.list[char]; ok {
			if param >= len(params) {
				missing += string(char)
				continue
			}
			var change core.DataChange
			cparam := params[param]
			param++

			if v, ok := p.extended[char]; ok {
				newchanges := v(adding, e, cparam)
				for _, it := range newchanges {
					if it.Data != "" {
						it.Data += fmt.Sprintf(" setby-%s setat-%d", source.GetSetBy(), time.Seconds())
					}
					changes[it.Name] = it
				}
				continue
			}

			if adding {
				change.Name = v + " " + cparam
				change.Data = fmt.Sprintf("on setby-%s setat-%d", source.GetSetBy(), time.Seconds())
			} else {
				change.Name = v + " " + cparam
			}

			changes[change.Name] = change
			continue
		}

		if v, ok := p.membership[char]; ok {
			var ch *core.Channel
			var ok bool
			if ch, ok = e.(*core.Channel); !ok {
				continue
			}
			if param >= len(params) {
				missing += string(char)
				continue
			}
			par := params[param]
			param++

			if v, ok := p.extended[char]; ok {
				newchanges := v(adding, e, par)
				for _, it := range newchanges {
					if it.Member != nil {
						changes["m"+it.Member.User().ID()+" "+it.Name] = it
					} else {
						changes[it.Name] = it
					}
				}
				continue
			}

			var u *core.User
			var m *core.Membership
			if u = core.GetUser(par); u == nil {
				if u = core.GetUserByNick(par); u == nil {
					continue
				}
			}
			if m = ch.GetMember(u); m == nil {
				continue
			}

			var change core.DataChange
			change.Name = v
			change.Member = m

			if adding {
				change.Data = "on"
			}

			changes["m"+change.Member.User().ID()+" "+change.Name] = change
			continue
		}

		unknown += string(char)
	}

	// Turn the modes into a slice.
	c := make([]core.DataChange, 0, len(changes))
	for _, change := range changes {
		c = append(c, change)
	}

	// Get the error, if we had one.
	var errstring string
	if unknown != "" {
		errstring += "Unknown mode letters: " + unknown
		if missing != "" {
			errstring += "  "
		}
	}
	if missing != "" {
		errstring += "Missing parameters for: " + missing
	}
	var err os.Error
	if errstring != "" {
		err = os.NewError(errstring)
	}

	return c, err
}
Exemple #9
0
// Function handling processing of extended op syntax into metadata.
// It returns the data change object.
func processOp(adding bool, ch *core.Channel, param string) []core.DataChange {
	var change core.DataChange
	change.Name = "op"
	change.Data = perm.DefaultChanOp()

	// Find a colon, indicating extended op syntax.
	var colon, mask int
	colon = strings.IndexRune(param, ':')
	if colon > -1 && len(param) > colon+1 {
		mask = colon + 1
	} else {
		colon = -1
	}

	// Set the member this opping refers to.
	if target := core.GetUserByNick(param[mask:]); target != nil {
		if m := ch.GetMember(target); m != nil {
			change.Member = m
		} else {
			return nil
		}
	} else {
		return nil
	}

	// If a colon exists, treat everything before it as opflags.
	if colon > -1 {
		change.Data = ""
		for _, char := range param[:colon] {
			if v := Flags.Str(char); v != "" {
				if change.Data != "" {
					change.Data += " "
				}
				change.Data += v
			}
		}
	}

	// Get the existing op flags, expanding default ops.
	existingData := change.Member.Data("op")
	words := strings.Fields(existingData)
	var existing string
	for _, word := range words {
		if word == "on" {
			word = perm.DefaultChanOp()
		}

		if existing != "" {
			existing += " "
		}
		existing += word
	}

	if adding {
		// If we're adding the ban, add the new restrictions to the
		// previous restrictions.
		if existing != "" {
			words := strings.Fields(existing)
			remwords := strings.Fields(change.Data)
			for _, flag := range words {
				var found bool
				for _, w := range remwords {
					if w == flag {
						found = true
						break
					}
				}
				if !found {
					if change.Data != "" {
						change.Data += " "
					}
					change.Data += flag
				}
			}
		}
	} else {
		// If we're removing the ban, remove the removed restrictions.
		// Leave restrictions not removed alone.
		// This is "fun". This is also O(n^2).
		var left string
		if existing != "" {
			words := strings.Fields(existing)
			remwords := strings.Fields(change.Data)
			for _, flag := range words {
				var found bool
				for _, w := range remwords {
					if w == flag {
						found = true
						break
					}
				}
				if !found && Flags.Char(flag) != 0 {
					if left != "" {
						left += " "
					}
					left += flag
				}
			}
		}
		change.Data = left
	}

	// Test for whether we have a default restriction.
	var outsideDefault bool
	var missingDefault bool
	defwords := strings.Fields(perm.DefaultChanOp())
	words = strings.Fields(change.Data)
	for _, word := range words {
		var found bool
		for _, defword := range defwords {
			if defword == word {
				found = true
				break
			}
		}
		if !found {
			outsideDefault = true
			break
		}
	}
	if !outsideDefault {
		for _, defword := range defwords {
			var found bool
			for _, word := range words {
				if defword == word {
					found = true
					break
				}
			}
			if !found {
				missingDefault = true
				break
			}
		}
	}

	// If the restriction is the same as the default restriction, quietly
	// change it to "on".
	if !outsideDefault && !missingDefault {
		change.Data = "on"
	}

	return []core.DataChange{change}
}