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/*
* Program: $RCSfile: Ver2_compatible program $ $Revision: 4.5 $
*
* Purpose: Protocol routines of internet "youbin" service.
*
* Author: K.Agusa agusa@nuie.nagoya-u.ac.jp
* S.Yamamoto yamamoto@nuie.nagoya-u.ac.jp
*
* Date: 1993/07/24
* Modified: $Date: 1995/01/07 10:35:34 $
*
* Copyright: K.Agusa and S.Yamamoto 1993 - 94
*
* The X Consortium, and any party obtaining a copy of these files from
* the X Consortium, directly or indirectly, is granted, free of charge,
* a full and unrestricted irrevocable, world-wide, paid up, royalty-free,
* nonexclusive right and license to deal in this software and documentation
* files (the "Software"), including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons who receive copies from any such
* party to do so. This license includes without limitation a license to do
* the foregoing actions under any patents of the party supplying this
* software to the X Consortium.
*/
#ifdef VER2_BC
#ifndef lint
static char rcsid[] =
"$Id: protocol.c,v 4.5 1995/01/07 10:35:34 yamamoto Exp $";
#endif /* not lint */
#include <sys/types.h> /* Must be included before "sys/socket.h". */
#include <sys/socket.h> /* For struct sockaddr. */
#include <netinet/in.h> /* For struct sockaddr_in. */
#include <arpa/inet.h> /* For inet_ntoa(). */
#include <netdb.h> /* For gethostbyname() and gethostbyaddr(). */
#include <stdio.h>
#include "youbin.h"
#include "server.h"
void ver2_Wakeup( char *, char * );
void ver2_Update( char * );
void
ver2_proc( char *mess, int len )
{
switch( *mess ){
case 'T':
do_Thank( mess + 2 );
break;
case 'W':
ver2_Wakeup( mess + 2 , mess + len );
break;
case 'U':
ver2_Update( mess + 2 );
break;
case 'Q':
do_Quit( mess + 2 );
break;
default:
warn_log("Unknown packet: %s\n", mess );
}
}
void
ver2_Wakeup(mess, endp)
char *mess, *endp;
{
/*
* mess := "<user name> <protocol version>"
* | "<user name> <protocol version> <options>"
*/
char *cp; /* Pointer to <protocol version>. */
char *cp1; /* Pointer to <option>. */
StateP id; /* User ID. */
char buff[MESS_LEN];
enum a_mode auth;
if ((cp = strchr(mess, ' ')) == NULL) {
send_packet("NAK Invalid version", CA_ADDR);
return;
}
*cp++ = '\0'; /* Trim protocol version. */
if ((cp1 = strchr(cp, ' ')) == NULL) {
cp1 = endp; /* No options. */
} else {
*cp1++ = '\0'; /* Trim options. */
}
if (strcmp(cp, "2") != 0) { /* Check protocol version. */
strcpy(NAK_reason, "Invalid version");
send_packet("NAK Invalid version", CA_ADDR);
return;
}
auth = *cp1 =='B' ? ROK : NONE;
if((id = make_user(mess, auth )) != NULL) {
if (debug_mode || trace_mode) {
char buff_log[LOG_LEN]; /* Only for log. */
struct hostent *hp;
if ((hp = gethostbyaddr((char *)&ca.sin_addr,
sizeof(ca.sin_addr), ca.sin_family)) == NULL) {
sys_error_log("gethostbyaddr");
}
sprintf(buff_log, "Wakeup packet: %s [%ld]: host = %s, port = %d\n",
mess, (long)id,
((hp != NULL) ? hp->h_name : inet_ntoa(ca.sin_addr)),
ntohs(ca.sin_port));
debug_log(" %s", buff_log);
trace(buff_log);
}
if( check_pass( id, "", *cp1 == 'B' ? 11 : 0 ) == FAIL ){
/* head="Body,Subject:,From:" */
send_packet( "NAK Authentification error", id );
del_state(id); /* dispose_state(sp);*/
return;
}
id->mode.head_list = *cp1 == 'B' ? 11 :0;
id->option.no_KeepAlive = FALSE;
id->option.ver2_user = 1;
id->state = WAIT; /* new_sate() set it to PW1. Then need to change */
sprintf(buff, "R %ld %d", (long)id, CLIENT_TIME_OUT);
send_packet( buff, id); /* R packet: Send to global ca. */
check_spool( id->parent); /* Check spool file */
send_Status(id);
} else { /* Invalid user. */
sprintf( buff, "NAK %s", NAK_reason );
send_packet( buff, CA_ADDR); /* Send to global ca. */
}
}
void
ver2_Update(mess)
char *mess;
{
/*
* Value of mess is one of below:
* (1) packet = "U <user name>", mess = "<user name>"
* (2) packet = "U /<user id>", mess = "/<user id>"
*/
char buff[MESS_LEN];
if (*mess == '/') { /* Case (2). */
do_Update( mess + 1 );
} else { /* Case (1). */
sprintf( buff, "0 %s", mess );
do_Update( buff );
}
}
#endif
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