commands.c

/* Routines for looking up commands in a *Serv command list.
 *
 * Services is copyright (c) 1996-1999 Andrew Church.
 *     E-mail: <achurch@dragonfire.net>
 * Services is copyright (c) 1999-2000 Andrew Kempe.
 *     E-mail: <theshadow@shadowfire.org>
 * This program is free but copyrighted software; see the file COPYING for
 * details.
 */

#include "services.h"
#include "commands.h"
#include "language.h"

/*************************************************************************/

/* Return the Command corresponding to the given name, or NULL if no such
 * command exists.
 */

Command *lookup_cmd(Command *list, const char *cmd)
{
    Command *c;

    for (c = list; c->name; c++) {
	if (stricmp(c->name, cmd) == 0)
	    return c;
    }
    return NULL;
}

/*************************************************************************/

/* Run the routine for the given command, if it exists and the user has
 * privilege to do so; if not, print an appropriate error message.
 */

void run_cmd(const char *service, User *u, Command *list, const char *cmd)
{
    Command *c = lookup_cmd(list, cmd);
    if (c && c->routine) {
	if ((c->has_priv == NULL) || c->has_priv(u))
	    c->routine(u);
	else
	    notice_lang(service, u, ACCESS_DENIED);
    } else {
    	notice_lang(service, u, UNKNOWN_COMMAND_HELP, cmd, service);
    }
}

/*************************************************************************/

/* Print a help message for the given command. */

void help_cmd(const char *service, User *u, Command *list, const char *cmd)
{
    Command *c = lookup_cmd(list, cmd);

    if (c) {
	const char *p1 = c->help_param1,
	           *p2 = c->help_param2,
	           *p3 = c->help_param3,
	           *p4 = c->help_param4;

	if (c->helpmsg_all >= 0) {
	    notice_help(service, u, c->helpmsg_all, p1, p2, p3, p4);
	}

	if (is_services_root(u)) {
	    if (c->helpmsg_root >= 0)
		notice_help(service, u, c->helpmsg_root, p1, p2, p3, p4);
	    else if (c->helpmsg_all < 0)
		notice_lang(service, u, NO_HELP_AVAILABLE, cmd);
	} else if (is_services_admin(u)) {
	    if (c->helpmsg_admin >= 0)
		notice_help(service, u, c->helpmsg_admin, p1, p2, p3, p4);
	    else if (c->helpmsg_all < 0)
		notice_lang(service, u, NO_HELP_AVAILABLE, cmd);
	} else if (is_services_oper(u)) {
	    if (c->helpmsg_oper >= 0)
		notice_help(service, u, c->helpmsg_oper, p1, p2, p3, p4);
	    else if (c->helpmsg_all < 0)
		notice_lang(service, u, NO_HELP_AVAILABLE, cmd);
	} else {
	    if (c->helpmsg_reg >= 0)
		notice_help(service, u, c->helpmsg_reg, p1, p2, p3, p4);
	    else if (c->helpmsg_all < 0)
		notice_lang(service, u, NO_HELP_AVAILABLE, cmd);
	}

    } else {

	notice_lang(service, u, NO_HELP_AVAILABLE, cmd);

    }
}

/*************************************************************************/