/* * $Id: valias.c,v 1.3 2003/09/30 20:55:11 tomcollins Exp $ * Copyright (C) 1999-2003 Inter7 Internet Technologies, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA */#include <stdio.h>#include <stdlib.h>#include <unistd.h>#include <string.h>#include <pwd.h>#include <sys/types.h>#include <sys/stat.h>#include <fcntl.h>#include <signal.h>#include "config.h"#include "vpopmail.h"#include "vauth.h"#define MAX_BUFF 256char Email[MAX_BUFF];char Alias[MAX_BUFF];char Domain[MAX_BUFF];char AliasLine[MAX_BUFF];#define VALIAS_SELECT 0#define VALIAS_INSERT 1#define VALIAS_DELETE 2int AliasAction;int AliasExists;void usage();void get_options(int argc,char **argv);int main(int argc, char *argv[]){ char *tmpalias;	get_options(argc,argv);	switch( AliasAction ) {	case VALIAS_SELECT:		/* did the user nominate an email address or a domain? */		if ( strstr(Email, "@") == NULL ) {			/* display all aliases for domain */			tmpalias = valias_select_all( Alias, Email );			if (tmpalias == NULL) vexit(-1);			while (tmpalias != NULL ) {				printf("%s@%s -> %s\n", Alias, Email, tmpalias);				tmpalias = valias_select_all_next(Alias);			}		} else {			/* display aliases for Alias@Domain */			tmpalias = valias_select( Alias, Domain );			if (tmpalias == NULL) vexit(-1);			while (tmpalias != NULL ) {				printf("%s@%s -> %s\n", Alias, Domain,tmpalias);				tmpalias = valias_select_next();			}		}		break;	case VALIAS_INSERT:		/* check to see if it already exists */		AliasExists = 0;		tmpalias = valias_select( Alias, Domain );		while (tmpalias != NULL ) {			if (strcmp (tmpalias, AliasLine) == 0) AliasExists = 1;			tmpalias = valias_select_next();		}		if (AliasExists) {			printf ("Error: alias %s -> %s already exists.\n",				Email, AliasLine);		} else {			valias_insert( Alias, Domain, AliasLine );		}		break;	case VALIAS_DELETE:		valias_delete( Alias, Domain );		break;        default:		printf("error, Alias Action '%d' is invalid\n", AliasAction);		break;	}	return(vexit(0));}void usage(){	printf( "valias: usage: [options] email_address \n");	printf("options: -v ( display the vpopmail version number )\n");	printf("         -s ( show aliases, can use just domain )\n");	printf("         -d ( delete alias )\n");	printf("         -i alias_line (insert alias line)\n");	printf("\n");	printf("Example: valias -i fred@inter7.com bob@inter7.com\n");	printf("         (adds alias from bob@inter7.com to fred@inter7.com\n");}void get_options(int argc,char **argv){ int c; int i; extern char *optarg; extern int optind;	memset(Alias, 0, sizeof(Alias));	memset(Email, 0, sizeof(Email));	memset(Domain, 0, sizeof(Domain));	memset(AliasLine, 0, sizeof(AliasLine));	AliasAction = VALIAS_SELECT;    	while( (c=getopt(argc,argv,"vsdi:")) != -1 ) {		switch(c) {		case 'v':			printf("version: %s\n", VERSION);			break;		case 's':			AliasAction = VALIAS_SELECT;			break;		case 'd':			AliasAction = VALIAS_DELETE;			break;		case 'i':			AliasAction = VALIAS_INSERT;			snprintf(AliasLine, sizeof(AliasLine), "%s", optarg);			break;		default:			usage();			exit(-2);		}	}	if ( optind < argc ) {		snprintf(Email, sizeof(Email), "%s", argv[optind]);                if ( (i = parse_email( Email, Alias, Domain, sizeof(Alias))) != 0 ) {                  printf("Error: %s\n", verror(i));                  vexit(i);                }		++optind;	} 	if ( Email[0] == 0 ) {		printf("must supply alias email address\n");		usage();		vexit(-1);	}}