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decode_rlogin.c
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decode_rlogin.c
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/*
* decode_rlogin.c
*
* Berkeley remote login/shell/exec.
*
* Copyright (c) 2000 Dug Song <[email protected]>
*
* $Id: decode_rlogin.c,v 1.6 2001/03/15 08:33:02 dugsong Exp $
*/
#include "config.h"
#include <sys/types.h>
#include <stdio.h>
#include <string.h>
#include "options.h"
#include "decode.h"
int
decode_rlogin(u_char *buf, int len, u_char *obuf, int olen)
{
u_char *p, *q;
/* Skip first NULL, or rexec stderr port */
for (p = buf; p - buf < len && *p == '\0'; p++)
; /* VOID */
strlcpy(obuf, "[", olen);
strlcat(obuf, p, olen); /* Local username */
strlcat(obuf, ":", olen);
p += strlen(p) + 1;
strlcat(obuf, p, olen); /* Remote username */
strlcat(obuf, "]\n", olen);
p += strlen(p) + 1;
p += strlen(p) + 1; /* Skip term info */
if ((q = strstr(p, "\xff\xffss")) != NULL) /* Skip window size */
p += 12;
for (p = strtok(p, "\r\n"); p != NULL; p = strtok(NULL, "\r\n")) {
strlcat(obuf, p, olen);
strlcat(obuf, "\n", olen);
}
if (!strip_lines(obuf, Opt_lines))
return (0);
return (strlen(obuf));
}