REMOVE/FPART:

files/remove.c

@@ -0,0 +1,287 @@
+/*
+License: GPLv3 or later
+Name: third/remove
+Author: Valware
+*/
+
+
+/*** <<<MODULE MANAGER START>>>
+module
+{
+		documentation "https://github.com/ValwareIRC/valware-unrealircd-mods/blob/main/remove/remove.md";
+		troubleshooting "In case of problems, check the documentation or e-mail me at [email protected]";
+		min-unrealircd-version "6.*";
+		max-unrealircd-version "6.*";
+		post-install-text {
+				"The module is installed. Now all you need to do is add a loadmodule line:";
+				"loadmodule \"third/remove\";";
+				"to your configuration, and then rehash your server.";
+				"See the documentation for configuration instructions.";
+		}
+}
+*** <<<MODULE MANAGER END>>>
+*/
+
+#include "unrealircd.h"
+
+ModuleHeader MOD_HEADER
+  = {
+	"third/remove",
+	"1.0",
+	"Adds command /REMOVE",
+	"Valware",
+	"unrealircd-6",
+};
+
+
+struct configstruct
+{
+	int support_nokicks;
+	char *protected_rank;
+
+	int got_protected_rank;
+	int got_support_nokicks;
+};
+static struct configstruct conf;
+
+void setconf(void);
+int remove_configtest(ConfigFile *cf, ConfigEntry *ce, int type, int *errs);
+int remove_configrun(ConfigFile *cf, ConfigEntry *ce, int type);
+#define REMOVE "REMOVE"
+#define FPART "FPART"
+#define S2SFPART "S2SFPART"
+
+CMD_FUNC(CMD_REMOVE);
+CMD_FUNC(CMD_FPART);
+CMD_FUNC(CMD_S2SFPART);
+
+MOD_TEST()
+{
+	memset(&conf, 0, sizeof(conf));
+
+	HookAdd(modinfo->handle, HOOKTYPE_CONFIGTEST, 0, remove_configtest);
+	return MOD_SUCCESS;
+}
+
+MOD_INIT()
+{
+	/*  Mark this as a global module. All this means is that UnrealIRCd will
+		complain about it if you didn't load it on all servers on your
+		network, because clients would not function correctly unless it were.
+	*/
+	MARK_AS_GLOBAL_MODULE(modinfo);
+
+	/*  Add our commands "REMOVE" and "PART" to the IRCd to expect 
+		2 parameter(s) and to be allowed to be used by regular users.
+		In the command function, we will check if the user is a
+		channel operator before executing this command.
+	*/
+
+	setconf();
+	CommandAdd(modinfo->handle, REMOVE, CMD_REMOVE, 3, CMD_USER);
+	CommandAdd(modinfo->handle, FPART, CMD_REMOVE, 3, CMD_USER);
+	CommandAdd(modinfo->handle, S2SFPART, CMD_S2SFPART, 3, CMD_USER);
+	return MOD_SUCCESS;
+}
+
+MOD_LOAD()
+{
+	return MOD_SUCCESS;
+}
+
+MOD_UNLOAD()
+{
+	return MOD_SUCCESS;
+}
+
+/** The command functionality (What happens when a user types "/REMOVE" or "/FPART".)
+	The following is boilerplate code and doesn't do anything and is there for example purposes.
+	The return value is void.
+*/
+CMD_FUNC(CMD_REMOVE)
+{
+	/* Not enough parameters */
+	if (parc < 3)
+	{
+		sendnumeric(client, ERR_NEEDMOREPARAMS, "REMOVE");
+		return;
+	}
+
+	/* Only allow channel halfops and above to use this command */
+	if (!IsUser(client))
+		return;
+
+	Channel *channel = find_channel(parv[2]);
+	Client *target = find_user(parv[1], NULL);
+
+	if (!channel)
+	{
+		sendnumeric(client, ERR_NOSUCHCHANNEL, parv[2]);
+		return;
+	}
+	if (!target)
+	{
+		sendnumeric(client, ERR_NOSUCHNICK, parv[1]);
+		return;
+	}
+
+	if (!check_channel_access(client, channel, "hoaq"))
+	{
+		sendnumeric(client, ERR_CANNOTDOCOMMAND, "REMOVE", "No access");
+		return;
+	}
+
+	if (conf.support_nokicks && has_channel_mode(channel, 'Q'))
+	{
+		sendnumeric(client, ERR_CANNOTDOCOMMAND, "REMOVE", "Channel is +Q");
+		return;
+	}
+	if (conf.protected_rank && check_channel_access(client, channel, conf.protected_rank))
+	{
+		sendnumeric(client, ERR_CANNOTDOCOMMAND, "REMOVE", "User is protected");
+		return;
+	}
+	if (MyUser(target))
+	{
+		parv[0] = target->name;
+		parv[1] = channel->name;
+		parv[2] = NULL;
+		do_cmd(target, NULL, "PART", 2, parv);
+	}
+	else
+	{
+		sendto_server(client->direction, 0, 0, NULL, ":%s S2SFPART %s %s", client->id, target->id, channel->name);
+	}
+}
+
+CMD_FUNC(CMD_S2SFPART)
+{
+	Client *target = find_user(parv[1], NULL);
+	Channel *channel = find_channel(parv[2]);
+	if (MyUser(target))
+	{
+		parv[0] = target->name;
+		parv[1] = channel->name;
+		parv[2] = NULL;
+		do_cmd(target, NULL, "PART", 2, parv);
+	}
+	else
+	{
+		sendto_server(client->direction, 0, 0, NULL, ":%s S2SFPART %s %s", client->id, target->id, channel->name);
+	}
+
+}
+
+void setconf(void)
+{
+	conf.support_nokicks = 0; // disabled by default
+	safe_strdup(conf.protected_rank,"a");
+}
+
+int remove_configtest(ConfigFile *cf, ConfigEntry *ce, int type, int *errs)
+{
+	int errors = 0;
+	int i;
+	ConfigEntry *cep;
+
+	if(type != CONFIG_MAIN)
+		return 0;
+
+	if(!ce || !ce->name)
+		return 0;
+
+	if(strcmp(ce->name, "remove"))
+		return 0;
+
+	for(cep = ce->items; cep; cep = cep->next)
+	{
+		if(!cep->name)
+		{
+			config_error("%s:%i: blank %s item", cep->file->filename, cep->line_number, REMOVE);
+			errors++;
+			continue;
+		}
+
+		if(!cep->value)
+		{
+			config_error("%s:%i: blank %s value", cep->file->filename, cep->line_number, REMOVE);
+			errors++;
+			continue;
+		}
+
+		if(!strcmp(cep->name, "support-nokicks"))
+		{
+			if(conf.got_support_nokicks)
+			{
+				config_error("%s:%i: duplicate %s::%s directive", cep->file->filename, cep->line_number, REMOVE, cep->name);
+				errors++;
+				continue;
+			}
+
+			conf.got_support_nokicks = 1;
+
+			if(!strlen(cep->value))
+			{
+				config_error("%s:%i: %s::%s cannot be empty", cep->file->filename, cep->line_number, REMOVE, cep->name);
+				errors++;
+			}
+			continue;
+		}
+		if(!strcmp(cep->name, "protected-rank"))
+		{
+			if(conf.got_protected_rank)
+			{
+				config_error("%s:%i: duplicate %s::%s directive", cep->file->filename, cep->line_number, REMOVE, cep->name);
+				errors++;
+				continue;
+			}
+
+			conf.got_protected_rank = 1;
+
+			if(!strlen(cep->value))
+			{
+				config_error("%s:%i: %s::%s cannot be empty", cep->file->filename, cep->line_number, REMOVE, cep->name);
+				errors++;
+			}
+			continue;
+		}
+
+		config_warn("%s:%i: unknown item %s::%s", cep->file->filename, cep->line_number, REMOVE, cep->name);
+	}
+
+	*errs = errors;
+	return errors ? -1 : 1;
+}
+int remove_configrun(ConfigFile *cf, ConfigEntry *ce, int type)
+{
+	ConfigEntry *cep;
+
+	if(type != CONFIG_MAIN)
+		return 0; 
+
+	if(!ce || !ce->name)
+		return 0;
+
+	if(strcmp(ce->name, "remove"))
+		return 0;
+
+	for(cep = ce->items; cep; cep = cep->next)
+	{
+		if(!cep->name)
+			continue;
+
+		if(!strcmp(cep->name, "suppport-nokicks"))
+		{
+			conf.support_nokicks = config_checkval(cep->value, CFG_YESNO);
+			continue;
+		}
+
+		if(!strcmp(cep->name, "protected-rank"))
+		{
+			safe_strdup(conf.protected_rank,cep->value);
+			continue;
+		}
+	}
+
+	return 1; // We good
+}