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/*
Unix SMB/Netbios implementation.
Version 1.9.
SMB messaging
Copyright (C) Andrew Tridgell 1992-1998
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
This file handles the messaging system calls for winpopup style
messages
*/
#include "includes.h"
/* look in server.c for some explanation of these variables */
extern int DEBUGLEVEL;
static char msgbuf[1600];
static int msgpos=0;
static fstring msgfrom="";
static fstring msgto="";
/****************************************************************************
deliver the message
****************************************************************************/
static void msg_deliver(void)
{
pstring s;
fstring name;
int i;
int fd;
if (! (*lp_msg_command()))
{
DEBUG(1,("no messaging command specified\n"));
msgpos = 0;
return;
}
/* put it in a temporary file */
slprintf(s,sizeof(s)-1, "%s/msg.XXXXXX",tmpdir());
fstrcpy(name,(char *)smbd_mktemp(s));
fd = sys_open(name,O_WRONLY|O_CREAT|O_TRUNC|O_EXCL,0600);
if (fd == -1) {
DEBUG(1,("can't open message file %s\n",name));
return;
}
/*
* Incoming message is in DOS codepage format. Convert to UNIX in
* place.
*/
if(msgpos > 0) {
msgbuf[msgpos] = '\0'; /* Ensure null terminated. */
dos_to_unix(msgbuf,True);
}
for (i=0;i<msgpos;) {
if (msgbuf[i]=='\r' && i<(msgpos-1) && msgbuf[i+1]=='\n') {
i++; continue;
}
write(fd,&msgbuf[i++],1);
}
close(fd);
/* run the command */
if (*lp_msg_command())
{
fstring alpha_msgfrom;
fstring alpha_msgto;
pstrcpy(s,lp_msg_command());
pstring_sub(s,"%s",name);
pstring_sub(s,"%f",alpha_strcpy(alpha_msgfrom,msgfrom,sizeof(alpha_msgfrom)));
pstring_sub(s,"%t",alpha_strcpy(alpha_msgto,msgto,sizeof(alpha_msgto)));
standard_sub_basic(s);
smbrun(s,NULL,False);
}
msgpos = 0;
}
/****************************************************************************
reply to a sends
****************************************************************************/
int reply_sends(connection_struct *conn,
char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
{
int len;
char *orig,*dest,*msg;
int outsize = 0;
START_PROFILE(SMBsends);
msgpos = 0;
if (! (*lp_msg_command())) {
END_PROFILE(SMBsends);
return(ERROR(ERRSRV,ERRmsgoff));
}
outsize = set_message(outbuf,0,0,True);
orig = smb_buf(inbuf)+1;
dest = skip_string(orig,1)+1;
msg = skip_string(dest,1)+1;
fstrcpy(msgfrom,orig);
fstrcpy(msgto,dest);
len = SVAL(msg,0);
len = MIN(len,sizeof(msgbuf)-msgpos);
memset(msgbuf,'\0',sizeof(msgbuf));
memcpy(&msgbuf[msgpos],msg+2,len);
msgpos += len;
DEBUG( 3, ( "SMBsends (from %s to %s)\n", orig, dest ) );
msg_deliver();
END_PROFILE(SMBsends);
return(outsize);
}
/****************************************************************************
reply to a sendstrt
****************************************************************************/
int reply_sendstrt(connection_struct *conn,
char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
{
char *orig,*dest;
int outsize = 0;
START_PROFILE(SMBsendstrt);
if (! (*lp_msg_command())) {
END_PROFILE(SMBsendstrt);
return(ERROR(ERRSRV,ERRmsgoff));
}
outsize = set_message(outbuf,1,0,True);
memset(msgbuf,'\0',sizeof(msgbuf));
msgpos = 0;
orig = smb_buf(inbuf)+1;
dest = skip_string(orig,1)+1;
fstrcpy(msgfrom,orig);
fstrcpy(msgto,dest);
DEBUG( 3, ( "SMBsendstrt (from %s to %s)\n", msgfrom, msgto ) );
END_PROFILE(SMBsendstrt);
return(outsize);
}
/****************************************************************************
reply to a sendtxt
****************************************************************************/
int reply_sendtxt(connection_struct *conn,
char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
{
int len;
int outsize = 0;
char *msg;
START_PROFILE(SMBsendtxt);
if (! (*lp_msg_command())) {
END_PROFILE(SMBsendtxt);
return(ERROR(ERRSRV,ERRmsgoff));
}
outsize = set_message(outbuf,0,0,True);
msg = smb_buf(inbuf) + 1;
len = SVAL(msg,0);
len = MIN(len,sizeof(msgbuf)-msgpos);
memcpy(&msgbuf[msgpos],msg+2,len);
msgpos += len;
DEBUG( 3, ( "SMBsendtxt\n" ) );
END_PROFILE(SMBsendtxt);
return(outsize);
}
/****************************************************************************
reply to a sendend
****************************************************************************/
int reply_sendend(connection_struct *conn,
char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
{
int outsize = 0;
START_PROFILE(SMBsendend);
if (! (*lp_msg_command())) {
END_PROFILE(SMBsendend);
return(ERROR(ERRSRV,ERRmsgoff));
}
outsize = set_message(outbuf,0,0,True);
DEBUG(3,("SMBsendend\n"));
msg_deliver();
END_PROFILE(SMBsendend);
return(outsize);
}
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