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path: root/src/core/ns_access.c
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/* NickServ core functions
 *
 * (C) 2003-2009 Anope Team
 * Contact us at team@anope.org
 *
 * Please read COPYING and README for further details.
 *
 * Based on the original code of Epona by Lara.
 * Based on the original code of Services by Andy Church.
 *
 * $Id$
 *
 */
/*************************************************************************/

#include "module.h"

int do_access(User * u);
void myNickServHelp(User * u);

class NSAccess : public Module
{
 public:
	NSAccess(const std::string &modname, const std::string &creator) : Module(modname, creator)
	{
		Command *c;

		this->SetAuthor("Anope");
		this->SetVersion("$Id$");
		this->SetType(CORE);

		c = createCommand("ACCESS", do_access, NULL, NICK_HELP_ACCESS, -1, -1, -1, -1);
		this->AddCommand(NICKSERV, c, MOD_UNIQUE);

		this->SetNickHelp(myNickServHelp);
	}
};



/**
 * Add the help response to anopes /ns help output.
 * @param u The user who is requesting help
 **/
void myNickServHelp(User * u)
{
	notice_lang(s_NickServ, u, NICK_HELP_CMD_ACCESS);
}

/**
 * The /ns access command.
 * @param u The user who issued the command
 * @param MOD_CONT to continue processing other modules, MOD_STOP to stop processing.
 **/
int do_access(User * u)
{
	char *cmd = strtok(NULL, " ");
	char *mask = strtok(NULL, " ");
	NickAlias *na;
	int i;
	char **access;

	if (cmd && stricmp(cmd, "LIST") == 0 && mask && is_services_admin(u)
		&& (na = findnick(mask))) {

		if (na->nc->accesscount == 0) {
			notice_lang(s_NickServ, u, NICK_ACCESS_LIST_X_EMPTY, na->nick);
			return MOD_CONT;
		}

		if (na->status & NS_VERBOTEN) {
			notice_lang(s_NickServ, u, NICK_X_FORBIDDEN, na->nick);
			return MOD_CONT;
		}

		if (na->nc->flags & NI_SUSPENDED) {
			notice_lang(s_NickServ, u, NICK_X_SUSPENDED, na->nick);
			return MOD_CONT;
		}


		notice_lang(s_NickServ, u, NICK_ACCESS_LIST_X, mask);
		mask = strtok(NULL, " ");
		for (access = na->nc->access, i = 0; i < na->nc->accesscount;
			 access++, i++) {
			if (mask && !match_wild(mask, *access))
				continue;
			notice_user(s_NickServ, u, "	%s", *access);
		}

	} else if (!cmd || ((stricmp(cmd, "LIST") == 0) ? !!mask : !mask)) {
		syntax_error(s_NickServ, u, "ACCESS", NICK_ACCESS_SYNTAX);

	} else if (mask && !strchr(mask, '@')) {
		notice_lang(s_NickServ, u, BAD_USERHOST_MASK);
		notice_lang(s_NickServ, u, MORE_INFO, s_NickServ, "ACCESS");

	} else if (!(na = u->na)) {
		notice_lang(s_NickServ, u, NICK_NOT_REGISTERED);

	} else if (na->status & NS_VERBOTEN) {
		notice_lang(s_NickServ, u, NICK_X_FORBIDDEN, na->nick);

	} else if (na->nc->flags & NI_SUSPENDED) {
		notice_lang(s_NickServ, u, NICK_X_SUSPENDED, na->nick);

	} else if (!nick_identified(u)) {
		notice_lang(s_NickServ, u, NICK_IDENTIFY_REQUIRED, s_NickServ);

	} else if (stricmp(cmd, "ADD") == 0) {
		if (na->nc->accesscount >= NSAccessMax) {
			notice_lang(s_NickServ, u, NICK_ACCESS_REACHED_LIMIT,
						NSAccessMax);
			return MOD_CONT;
		}

		for (access = na->nc->access, i = 0; i < na->nc->accesscount;
			 access++, i++) {
			if (strcmp(*access, mask) == 0) {
				notice_lang(s_NickServ, u, NICK_ACCESS_ALREADY_PRESENT,
							*access);
				return MOD_CONT;
			}
		}

		na->nc->accesscount++;
		na->nc->access =
			static_cast<char **>(srealloc(na->nc->access, sizeof(char *) * na->nc->accesscount));
		na->nc->access[na->nc->accesscount - 1] = sstrdup(mask);
		notice_lang(s_NickServ, u, NICK_ACCESS_ADDED, mask);

	} else if (stricmp(cmd, "DEL") == 0) {

		for (access = na->nc->access, i = 0; i < na->nc->accesscount;
			 access++, i++) {
			if (stricmp(*access, mask) == 0)
				break;
		}
		if (i == na->nc->accesscount) {
			notice_lang(s_NickServ, u, NICK_ACCESS_NOT_FOUND, mask);
			return MOD_CONT;
		}

		notice_lang(s_NickServ, u, NICK_ACCESS_DELETED, *access);
		delete [] *access;
		na->nc->accesscount--;
		if (i < na->nc->accesscount)	/* if it wasn't the last entry... */
			memmove(access, access + 1,
					(na->nc->accesscount - i) * sizeof(char *));
		if (na->nc->accesscount)		/* if there are any entries left... */
			na->nc->access =
				static_cast<char **>(srealloc(na->nc->access,
						 na->nc->accesscount * sizeof(char *)));
		else {
			free(na->nc->access);
			na->nc->access = NULL;
		}
	} else if (stricmp(cmd, "LIST") == 0) {
		if (na->nc->accesscount == 0) {
			notice_lang(s_NickServ, u, NICK_ACCESS_LIST_EMPTY, u->nick);
			return MOD_CONT;
		}

		notice_lang(s_NickServ, u, NICK_ACCESS_LIST);
		for (access = na->nc->access, i = 0; i < na->nc->accesscount;
			 access++, i++) {
			if (mask && !match_wild(mask, *access))
				continue;
			notice_user(s_NickServ, u, "	%s", *access);
		}
	} else {
		syntax_error(s_NickServ, u, "ACCESS", NICK_ACCESS_SYNTAX);

	}
	return MOD_CONT;
}

MODULE_INIT("ns_access", NSAccess)