Rename the project

It is about to see some extensions, obsoleting the number three.

.clang-format

@@ -0,0 +1,32 @@
+# clang-format is fairly limited, and these rules are approximate:
+#  - array initializers can get terribly mangled with clang-format 12.0,
+#  - sometimes it still aligns with space characters,
+#  - struct name NL { NL ... NL } NL name; is unachievable.
+BasedOnStyle: GNU
+ColumnLimit: 80
+IndentWidth: 4
+TabWidth: 4
+UseTab: ForContinuationAndIndentation
+BreakBeforeBraces: Allman
+SpaceAfterCStyleCast: true
+AlignAfterOpenBracket: DontAlign
+AlignOperands: DontAlign
+AlignConsecutiveMacros: Consecutive
+AllowAllArgumentsOnNextLine: false
+AllowAllParametersOfDeclarationOnNextLine: false
+IndentGotoLabels: false
+
+# IncludeCategories has some potential, but it may also break the build.
+# Note that the documentation says the value should be "Never".
+SortIncludes: false
+
+# This is a compromise, it generally works out aesthetically better.
+BinPackArguments: false
+
+# Unfortunately, this can't be told to align to column 40 or so.
+SpacesBeforeTrailingComments: 2
+
+# liberty-specific macro body wrappers.
+MacroBlockBegin: "BLOCK_START"
+MacroBlockEnd: "BLOCK_END"
+ForEachMacros: ["LIST_FOR_EACH"]

.gitignore

@@ -3,7 +3,9 @@
 
 # Qt Creator files
 /CMakeLists.txt.user*
-/uirc3.config
+/xK.config
-/uirc3.files
+/xK.files
-/uirc3.creator*
+/xK.creator*
-/uirc3.includes
+/xK.includes
+/xK.cflags
+/xK.cxxflags

CMakeLists.txt

@@ -1,15 +1,19 @@
-cmake_minimum_required (VERSION 3.0)
+# Ubuntu 18.04 LTS and OpenBSD 6.4
-project (uirc3 VERSION 1.4.0 LANGUAGES C)
+cmake_minimum_required (VERSION 3.10)
+project (xK VERSION 1.5.0 DESCRIPTION "IRC client, daemon and bot" LANGUAGES C)
 
 # Options
 option (WANT_READLINE "Use GNU Readline for the UI (better)" ON)
 option (WANT_LIBEDIT "Use BSD libedit for the UI" OFF)
 
 # Moar warnings
+set (CMAKE_C_STANDARD 99)
+set (CMAKE_C_STANDARD_REQUIRED ON)
+set (CMAKE_C_EXTENSIONS OFF)
+
 if ("${CMAKE_C_COMPILER_ID}" MATCHES "GNU" OR CMAKE_COMPILER_IS_GNUCC)
 	# -Wunused-function is pretty annoying here, as everything is static
-	set (wdisabled "-Wno-unused-function")
+	set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-unused-function")
-	set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 -Wall -Wextra ${wdisabled}")
 endif ()
 
 # Version
@@ -57,6 +61,8 @@ if ("${CMAKE_SYSTEM_NAME}" MATCHES "BSD")
 	# Need this for SIGWINCH in FreeBSD and OpenBSD respectively;
 	# our POSIX version macros make it undefined
 	add_definitions (-D__BSD_VISIBLE=1 -D_BSD_SOURCE=1)
+elseif (APPLE)
+	add_definitions (-D_DARWIN_C_SOURCE)
 endif ()
 
 # -lrt is only for glibc < 2.17
@@ -112,10 +118,16 @@ endif ()
 if ((WANT_READLINE AND WANT_LIBEDIT) OR (NOT WANT_READLINE AND NOT WANT_LIBEDIT))
 	message (SEND_ERROR "You have to choose either GNU Readline or libedit")
 elseif (WANT_READLINE)
+	pkg_check_modules (readline readline)
+
 	# OpenBSD's default readline is too old
 	if ("${CMAKE_SYSTEM_NAME}" MATCHES "OpenBSD")
 		include_directories (${OPENBSD_LOCALBASE}/include/ereadline)
 		list (APPEND xC_libraries ereadline)
+	elseif (readline_FOUND)
+		list (APPEND xC_libraries ${readline_LIBRARIES})
+		include_directories (${readline_INCLUDE_DIRS})
+		link_directories (${readline_LIBRARY_DIRS})
 	else ()
 		list (APPEND xC_libraries readline)
 	endif ()
@@ -217,7 +229,6 @@ foreach (page ${project_MAN_PAGES})
 endforeach ()
 
 # CPack
-set (CPACK_PACKAGE_DESCRIPTION_SUMMARY "Unreasonable IRC client, daemon and bot")
 set (CPACK_PACKAGE_VERSION "${project_version_safe}")
 set (CPACK_PACKAGE_VENDOR "Premysl Eric Janouch")
 set (CPACK_PACKAGE_CONTACT "Přemysl Eric Janouch <p@janouch.name>")

NEWS

@@ -1,3 +1,25 @@
+Unreleased
+
+ * xC: made it show WALLOPS messages, as PRIVMSG for the server buffer
+
+ * xD: implemented WALLOPS, choosing to make it target even non-operators
+
+
+1.5.0 (2021-12-21) "The Show Must Go On"
+
+ * xC: made it possible to pass the cursor position to external editors,
+   in particular VIM and Emacs
+
+ * xC: started quoting text coming from bracketed pastes,
+   to minimize the risk of trying to execute filesystem paths as commands
+
+ * xC: fixed to work with post-2021-08-29 editline
+
+ * xC: extended editline's autocomplete to show all options
+
+ * utm-filter.lua: added Facebook's tracking parameter to the filter
+
+
 1.4.0 (2021-10-06) "Call Me Scruffy Scruffington"
 
  * xC: made message autosplitting respect text formatting

README.adoc

@@ -1,32 +1,31 @@
-uirc3
+xK
-=====
+==
-:compact-option:
 
-The unreasonable IRC trinity.  This project consists of an IRC client, daemon,
+'xK' (chat kit) is an IRC software suite consisting of a terminal client,
-and bot.  It's all you're ever going to need for chatting, as long as you can
+daemon, and bot.  It's all you're ever going to need for chatting,
-make do with minimalist software.
+so long as you can make do with slightly minimalist software.
 
-All of them have these potentially interesting properties:
+They come with these potentially interesting properties:
 
- - IPv6 support
+ - supporting IRCv3, SOCKS, IPv6, TLS (including client certificates)
- - TLS support, including client certificates
+ - lean on dependencies
- - lean on dependencies (with the exception of 'xC')
  - compact and arguably easy to hack on
- - very permissive license
+ - maximally permissive license
 
 xC
 --
-The IRC client.  It is largely defined by being built on top of GNU Readline
+The IRC client, and the core of 'xK'.  It is largely defined by being built
-that has been hacked to death.  Its interface should feel somewhat familiar for
+on top of GNU Readline that has been hacked to death.  Its interface should feel
-weechat or irssi users.
+somewhat familiar for weechat or irssi users.
 
 image::xC.png[align="center"]
 
-This is the largest application within the project.  It has most of the stuff
+It has most of the stuff you'd expect of an IRC client, such as being
-you'd expect of an IRC client, such as being able to set up multiple servers,
+multiserver, a powerful configuration system, integrated help, text formatting,
-a powerful configuration system, integrated help, text formatting, CTCP queries,
+automatic splitting of overlong messages, multiline editing, bracketed paste
-automatic splitting of overlong messages, autocomplete, logging to file,
+support, decent word wrapping, autocomplete, logging, CTCP queries, auto-away,
-auto-away, command aliases and basic support for Lua scripting.
+command aliases, and basic support for Lua scripting.  As a unique bonus,
+you can launch a full text editor from within.
 
 xD
 --
@@ -37,10 +36,8 @@ do it just fine.
 
 Notable features:
 
- - TLS autodetection (why doesn't everyone have this?), using secure defaults
+ - TLS autodetection (I'm still wondering why everyone doesn't have this)
  - IRCop authentication via TLS client certificates
- - epoll/kqueue support; this means that it should be able to handle quite
-   a number of concurrent user connections
  - partial IRCv3 support
 
 Not supported:
@@ -58,16 +55,14 @@ and development continues over there.
 
 xB
 --
-The IRC bot.  It builds upon the concept of my other VitaminA IRC bot.  The main
+The IRC bot.  While originally intended to be a simple rewrite of my old GNU AWK
-characteristic of these two bots is that they run plugins as coprocesses, which
+bot in C, it fairly quickly became a playground, and it eventually got me into
-allows for enhanced reliability and programming language freedom.
+writing the rest of this package.
 
-While originally intended to be a simple rewrite of the original AWK bot in C,
+Its main characteristic is that it runs plugins as coprocesses, allowing for
-it fairly quickly became a playground, and it eventually got me into writing
+enhanced reliability and programming language freedom.  Moreover, it recovers
-the rest of the package.
+from any crashes, and offers native SOCKS support (even though socksify can add
-
+that easily to any program).
-It survives crashes, server disconnects and timeouts, and also has native SOCKS
-support (even though socksify can add that easily to any program).
 
 Packages
 --------
@@ -84,10 +79,10 @@ Additionally for 'xC': curses, libffi, lua >= 5.3 (optional),
 Avoid libedit if you can, in general it works but at the moment history is
 acting up and I have no clue about fixing it.
 
- $ git clone --recursive https://git.janouch.name/p/uirc3.git
+ $ git clone --recursive https://git.janouch.name/p/xK.git
- $ mkdir uirc3/build
+ $ mkdir xK/build
- $ cd uirc3/build
+ $ cd xK/build
- $ cmake .. -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Debug \
+ $ cmake .. -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=RelWithDebInfo \
             -DWANT_READLINE=ON -DWANT_LIBEDIT=OFF -DWANT_LUA=ON
  $ make
 
@@ -95,10 +90,10 @@ To install the application, you can do either the usual:
 
  # make install
 
-Or you can try telling CMake to make a package for you.  For Debian it is:
+Or you can try telling CMake to make a package for you:
 
- $ cpack -G DEB
+ $ cpack -G DEB  # also supported: RPM, FreeBSD
- # dpkg -i uirc3-*.deb
+ # dpkg -i xK-*.deb
 
 Usage
 -----
@@ -184,7 +179,7 @@ configurations accordingly, but I consider it rather messy and unnecessary.
 
 Contributing and Support
 ------------------------
-Use https://git.janouch.name/p/uirc3 to report any bugs, request features,
+Use https://git.janouch.name/p/xK to report any bugs, request features,
 or submit pull requests.  `git send-email` is tolerated.  If you want to discuss
 the project, feel free to join me at ircs://irc.janouch.name, channel #dev.
 

common.c

@@ -22,11 +22,11 @@
 #define LIBERTY_WANT_PROTO_IRC
 
 #ifdef WANT_SYSLOG_LOGGING
-	#define print_fatal_data    ((void *) LOG_ERR)
+#define print_fatal_data    ((void *) LOG_ERR)
-	#define print_error_data    ((void *) LOG_ERR)
+#define print_error_data    ((void *) LOG_ERR)
-	#define print_warning_data  ((void *) LOG_WARNING)
+#define print_warning_data  ((void *) LOG_WARNING)
-	#define print_status_data   ((void *) LOG_INFO)
+#define print_status_data   ((void *) LOG_INFO)
-	#define print_debug_data    ((void *) LOG_DEBUG)
+#define print_debug_data    ((void *) LOG_DEBUG)
 #endif // WANT_SYSLOG_LOGGING
 
 #include "liberty/liberty.c"

plugins/xC/utm-filter.lua

@@ -1,7 +1,7 @@
 --
--- utm-filter.lua: filter out Google Analytics bullshit from URLs
+-- utm-filter.lua: filter out Google Analytics bullshit etc. from URLs
 --
--- Copyright (c) 2015, Přemysl Eric Janouch <p@janouch.name>
+-- Copyright (c) 2015 - 2021, Přemysl Eric Janouch <p@janouch.name>
 --
 -- Permission to use, copy, modify, and/or distribute this software for any
 -- purpose with or without fee is hereby granted.
@@ -19,6 +19,10 @@
 local banned = {
 	gclid        = 1,
 
+	-- Alas, Facebook no longer uses this parameter, see:
+	-- https://news.ycombinator.com/item?id=32117489
+	fbclid       = 1,
+
 	utm_source   = 1,
 	utm_medium   = 1,
 	utm_term     = 1,

xB.adoc

@@ -1,8 +1,8 @@
 xB(1)
 =====
 :doctype: manpage
-:manmanual: uirc3 Manual
+:manmanual: xK Manual
-:mansource: uirc3 {release-version}
+:mansource: xK {release-version}
 
 Name
 ----
@@ -100,5 +100,5 @@ _/usr/share/xB/plugins/_::
 
 Reporting bugs
 --------------
-Use https://git.janouch.name/p/uirc3 to report bugs, request features,
+Use https://git.janouch.name/p/xK to report bugs, request features,
 or submit pull requests.

xC.adoc

@@ -1,8 +1,8 @@
 xC(1)
 =====
 :doctype: manpage
-:manmanual: uirc3 Manual
+:manmanual: xK Manual
-:mansource: uirc3 {release-version}
+:mansource: xK {release-version}
 
 Name
 ----
@@ -119,7 +119,7 @@ to work but exhibits bugs that are not our fault.
 
 Reporting bugs
 --------------
-Use https://git.janouch.name/p/uirc3 to report bugs, request features,
+Use https://git.janouch.name/p/xK to report bugs, request features,
 or submit pull requests.
 
 See also

xC.c

@@ -238,8 +238,8 @@ struct input_vtable
 	/// Bind Alt+key to the given named function
 	void (*bind_meta) (void *input, char key, const char *fn);
 
-	/// Get the current line input
+	/// Get the current line input and position within
-	char *(*get_line) (void *input);
+	char *(*get_line) (void *input, int *position);
 	/// Clear the current line input
 	void (*clear_line) (void *input);
 	/// Insert text at current position
@@ -361,9 +361,10 @@ input_rl_insert (void *input, const char *s)
 }
 
 static char *
-input_rl_get_line (void *input)
+input_rl_get_line (void *input, int *position)
 {
 	(void) input;
+	if (position) *position = rl_point;
 	return rl_copy_text (0, rl_end);
 }
 
@@ -771,24 +772,13 @@ struct input_el
 
 static void app_editline_init (struct input_el *self);
 
-static int
-input_el__get_termios (int character, int fallback)
-{
-	if (!g_terminal.initialized)
-		return fallback;
-
-	cc_t value = g_terminal.termios.c_cc[character];
-	if (value == _POSIX_VDISABLE)
-		return fallback;
-	return value;
-}
-
 static void
 input_el__redisplay (void *input)
 {
-	// See rl_redisplay()
+	// See rl_redisplay(), however NetBSD editline's map.c v1.54 breaks VREPRINT
+	// so we bind redisplay somewhere else in app_editline_init()
 	struct input_el *self = input;
-	char x[] = { input_el__get_termios (VREPRINT, 'R' - 0x40), 0 };
+	char x[] = { 'q' & 31, 0 };
 	el_push (self->editline, x);
 
 	// We have to do this or it gets stuck and nothing is done
@@ -871,10 +861,12 @@ input_el_insert (void *input, const char *s)
 }
 
 static char *
-input_el_get_line (void *input)
+input_el_get_line (void *input, int *position)
 {
 	struct input_el *self = input;
 	const LineInfo *info = el_line (self->editline);
+	int point = info->cursor - info->buffer;
+	if (position) *position = point;
 	return xstrndup (info->buffer, info->lastchar - info->buffer);
 }
 
@@ -2450,6 +2442,13 @@ static struct config_schema g_config_behaviour[] =
 	  .type      = CONFIG_ITEM_BOOLEAN,
 	  .default_  = "on",
 	  .on_change = on_config_word_wrapping_change },
+	{ .name      = "editor_command",
+	  .comment   = "VIM: \"vim +%Bgo %F\", Emacs: \"emacs -nw +%L:%C %F\"",
+	  .type      = CONFIG_ITEM_STRING },
+	{ .name      = "process_pasted_text",
+	  .comment   = "Normalize newlines and quote the command prefix in pastes",
+	  .type      = CONFIG_ITEM_BOOLEAN,
+	  .default_  = "on" },
 	{ .name      = "date_change_line",
 	  .comment   = "Input to strftime(3) for the date change line",
 	  .type      = CONFIG_ITEM_STRING,
@@ -6905,7 +6904,7 @@ irc_handle_join (struct server *s, const struct irc_message *msg)
 
 		buffer_add (s->ctx, buffer);
 
-		char *input = CALL (s->ctx->input, get_line);
+		char *input = CALL_ (s->ctx->input, get_line, NULL);
 		if (!*input)
 			buffer_activate (s->ctx, buffer);
 		else
@@ -7489,6 +7488,16 @@ irc_handle_topic (struct server *s, const struct irc_message *msg)
 	}
 }
 
+static void
+irc_handle_wallops (struct server *s, const struct irc_message *msg)
+{
+	if (!msg->prefix || msg->params.len < 1)
+		return;
+
+	const char *message = msg->params.vector[0];
+	log_server (s, s->buffer, 0, "<#n> #m", msg->prefix, message);
+}
+
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 
 static struct irc_handler g_irc_handlers[] =
@@ -7512,6 +7521,7 @@ static struct irc_handler g_irc_handlers[] =
 	{ "QUIT",         irc_handle_quit         },
 	{ "TAGMSG",       irc_handle_tagmsg       },
 	{ "TOPIC",        irc_handle_topic        },
+	{ "WALLOPS",      irc_handle_wallops      },
 };
 
 static bool
@@ -12629,8 +12639,6 @@ process_input (struct app_context *ctx, char *user_input)
 	else
 	{
 		struct strv lines = strv_make ();
-
-		// XXX: this interprets commands in pasted text
 		cstr_split (input, "\r\n", false, &lines);
 		for (size_t i = 0; i < lines.len; i++)
 			(void) process_input_utf8 (ctx,
@@ -13163,7 +13171,7 @@ dump_input_to_file (struct app_context *ctx, char *template, struct error **e)
 	if (fd < 0)
 		return error_set (e, "%s", strerror (errno));
 
-	char *input = CALL (ctx->input, get_line);
+	char *input = CALL_ (ctx->input, get_line, NULL);
 	bool success = xwrite (fd, input, strlen (input), e);
 	free (input);
 
@@ -13191,6 +13199,103 @@ try_dump_input_to_file (struct app_context *ctx)
 	return NULL;
 }
 
+static struct strv
+build_editor_command (struct app_context *ctx, const char *filename)
+{
+	struct strv argv = strv_make ();
+	const char *editor = get_config_string
+		(ctx->config.root, "behaviour.editor_command");
+	if (!editor)
+	{
+		const char *command;
+		if (!(command = getenv ("VISUAL"))
+		 && !(command = getenv ("EDITOR")))
+			command = "vi";
+
+		strv_append (&argv, command);
+		strv_append (&argv, filename);
+		return argv;
+	}
+
+	int cursor = 0;
+	char *input = CALL_ (ctx->input, get_line, &cursor);
+	hard_assert (cursor >= 0);
+
+	mbstate_t ps;
+	memset (&ps, 0, sizeof ps);
+
+	wchar_t wch;
+	size_t len, processed = 0, line_one_based = 1, column = 0;
+	while (processed < (size_t) cursor
+		&& (len = mbrtowc (&wch, input + processed, cursor - processed, &ps))
+		&& len != (size_t) -2 && len != (size_t) -1)
+	{
+		// Both VIM and Emacs use the caret notation with columns.
+		// Consciously leaving tabs broken, they're too difficult to handle.
+		int width = wcwidth (wch);
+		if (width < 0)
+			width = 2;
+
+		processed += len;
+		if (wch == '\n')
+		{
+			line_one_based++;
+			column = 0;
+		}
+		else
+			column += width;
+	}
+	free (input);
+
+	// Trivially split the command on spaces and substitute our values
+	struct str argument = str_make ();
+	for (; *editor; editor++)
+	{
+		if (*editor == ' ')
+		{
+			if (argument.len)
+			{
+				strv_append_owned (&argv, str_steal (&argument));
+				argument = str_make ();
+			}
+			continue;
+		}
+		if (*editor != '%' || !editor[1])
+		{
+			str_append_c (&argument, *editor);
+			continue;
+		}
+
+		// None of them are zero-length, thus words don't get lost
+		switch (*++editor)
+		{
+		case 'F':
+			str_append (&argument, filename);
+			break;
+		case 'L':
+			str_append_printf (&argument, "%zu", line_one_based);
+			break;
+		case 'C':
+			str_append_printf (&argument, "%zu", column + 1);
+			break;
+		case 'B':
+			str_append_printf (&argument, "%d",  cursor + 1);
+			break;
+		case '%':
+		case ' ':
+			str_append_c (&argument, *editor);
+			break;
+		default:
+			print_warning ("unknown substitution variable");
+		}
+	}
+	if (argument.len)
+		strv_append_owned (&argv, str_steal (&argument));
+	else
+		str_free (&argument);
+	return argv;
+}
+
 static bool
 on_edit_input (int count, int key, void *user_data)
 {
@@ -13202,16 +13307,15 @@ on_edit_input (int count, int key, void *user_data)
 	if (!(filename = try_dump_input_to_file (ctx)))
 		return false;
 
-	const char *command;
+	struct strv argv = build_editor_command (ctx, filename);
-	if (!(command = getenv ("VISUAL"))
+	if (!argv.len)
-	 && !(command = getenv ("EDITOR")))
+		strv_append (&argv, "true");
-		command = "vi";
 
 	hard_assert (!ctx->running_editor);
 	switch (spawn_helper_child (ctx))
 	{
 	case 0:
-		execlp (command, command, filename, NULL);
+		execvp (argv.vector[0], argv.vector);
 		print_error ("%s: %s",
 			"Failed to launch editor", strerror (errno));
 		_exit (EXIT_FAILURE);
@@ -13224,6 +13328,7 @@ on_edit_input (int count, int key, void *user_data)
 		ctx->running_editor = true;
 		ctx->editor_filename = filename;
 	}
+	strv_free (&argv);
 	return true;
 }
 
@@ -13709,19 +13814,33 @@ on_editline_complete (EditLine *editline, int key)
 
 	// Insert the best match instead
 	el_insertstr (editline, completions[0]);
+
+	// I'm not sure if Readline's menu-complete can at all be implemented
+	// with Editline--we have no way of detecting what the last executed handler
+	// was.  Employ the formatter's wrapping feature to spew all options.
 	bool only_match = !completions[1];
+	if (!only_match)
+	{
+		CALL (ctx->input, hide);
+		redraw_screen (ctx);
+
+		struct formatter f = formatter_make (ctx, NULL);
+		for (char **p = completions; *++p; )
+			formatter_add (&f, " #l", *p);
+		formatter_add (&f, "\n");
+		formatter_flush (&f, stdout, 0);
+		formatter_free (&f);
+
+		CALL (ctx->input, show);
+	}
+
 	for (char **p = completions; *p; p++)
 		free (*p);
 	free (completions);
-
-	// I'm not sure if Readline's menu-complete can at all be implemented
-	// with Editline.  Spamming the terminal with possible completions
-	// probably isn't what the user wants and we have no way of detecting
-	// what the last executed handler was.
 	if (!only_match)
 		return CC_REFRESH_BEEP;
 
-	// But if there actually is just one match, finish the word
+	// If there actually is just one match, finish the word
 	el_insertstr (editline, " ");
 	return CC_REFRESH;
 }
@@ -13782,8 +13901,11 @@ app_editline_init (struct input_el *self)
 	CALL_ (input, bind_control, 'w', "ed-delete-prev-word");
 	// Just what are you doing?
 	CALL_ (input, bind_control, 'u', "vi-kill-line-prev");
+	// See input_el__redisplay(), functionally important
+	CALL_ (input, bind_control, 'q', "ed-redisplay");
 
 	// We need to hide the prompt and input first
+	CALL_ (input, bind, "\r", "send-line");
 	CALL_ (input, bind, "\n", "send-line");
 
 	CALL_ (input, bind_control, 'i', "complete");
@@ -14125,6 +14247,40 @@ done:
 
 #define BRACKETED_PASTE_LIMIT 102400    ///< How much text can be pasted
 
+static bool
+insert_paste (struct app_context *ctx, char *paste, size_t len)
+{
+	if (!get_config_boolean (ctx->config.root, "behaviour.process_pasted_text"))
+		return CALL_ (ctx->input, insert, paste);
+
+	// Without ICRNL, which Editline keeps but Readline doesn't,
+	// the terminal sends newlines as carriage returns (seen on urxvt)
+	for (size_t i = 0; i < len; i++)
+		if (paste[i] == '\r')
+			paste[i] = '\n';
+
+	int position = 0;
+	char *input = CALL_ (ctx->input, get_line, &position);
+	bool quote_first_slash = !position || strchr ("\r\n", input[position - 1]);
+	free (input);
+
+	// Executing commands by accident is much more common than pasting them
+	// intentionally, although the latter may also have security consequences
+	struct str processed = str_make ();
+	str_reserve (&processed, len);
+	for (size_t i = 0; i < len; i++)
+	{
+		if (paste[i] == '/'
+			&& ((!i && quote_first_slash) || (i && paste[i - 1] == '\n')))
+			str_append_c (&processed, paste[i]);
+		str_append_c (&processed, paste[i]);
+	}
+
+	bool success = CALL_ (ctx->input, insert, processed.str);
+	str_free (&processed);
+	return success;
+}
+
 static void
 process_bracketed_paste (const struct pollfd *fd, struct app_context *ctx)
 {
@@ -14149,7 +14305,7 @@ process_bracketed_paste (const struct pollfd *fd, struct app_context *ctx)
 			(int) (text_len = BRACKETED_PASTE_LIMIT));
 
 	buf->str[text_len] = '\0';
-	if (CALL_ (ctx->input, insert, buf->str))
+	if (insert_paste (ctx, buf->str, text_len))
 		goto done;
 
 error:

xD.adoc

@@ -1,8 +1,8 @@
 xD(1)
 =====
 :doctype: manpage
-:manmanual: uirc3 Manual
+:manmanual: xK Manual
-:mansource: uirc3 {release-version}
+:mansource: xK {release-version}
 
 Name
 ----
@@ -49,5 +49,5 @@ _/etc/xdg/xD/xD.conf_::
 
 Reporting bugs
 --------------
-Use https://git.janouch.name/p/uirc3 to report bugs, request features,
+Use https://git.janouch.name/p/xK to report bugs, request features,
 or submit pull requests.

xD.c

@@ -2932,6 +2932,29 @@ irc_handle_links (const struct irc_message *msg, struct client *c)
 	irc_send_reply (c, IRC_RPL_ENDOFLINKS, mask);
 }
 
+static void
+irc_handle_wallops (const struct irc_message *msg, struct client *c)
+{
+	if (msg->params.len < 1)
+		RETURN_WITH_REPLY (c, IRC_ERR_NEEDMOREPARAMS, msg->command);
+	if (!(c->mode & IRC_USER_MODE_OPERATOR))
+		RETURN_WITH_REPLY (c, IRC_ERR_NOPRIVILEGES);
+
+	const char *message = msg->params.vector[0];
+
+	// Our interpretation: anonymize the sender,
+	// and target all users who want to receive these messages
+	struct str_map_iter iter = str_map_iter_make (&c->ctx->users);
+	struct client *target;
+	while ((target = str_map_iter_next (&iter)))
+	{
+		if (target != c && !(target->mode & IRC_USER_MODE_RX_WALLOPS))
+			continue;
+
+		client_send (target, ":%s WALLOPS :%s", c->ctx->server_name, message);
+	}
+}
+
 static void
 irc_handle_kill (const struct irc_message *msg, struct client *c)
 {
@@ -2994,6 +3017,7 @@ irc_register_handlers (struct server_context *ctx)
 		{ "ADMIN",    true,  irc_handle_admin,    0, 0 },
 		{ "STATS",    true,  irc_handle_stats,    0, 0 },
 		{ "LINKS",    true,  irc_handle_links,    0, 0 },
+		{ "WALLOPS",  true,  irc_handle_wallops,  0, 0 },
 
 		{ "MODE",     true,  irc_handle_mode,     0, 0 },
 		{ "PRIVMSG",  true,  irc_handle_privmsg,  0, 0 },