Give a error message to old-version kx.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1703 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1997-05-11 09:02:45 +00:00
parent 04d81948d9
commit 0e57a774c9

View File

@@ -71,7 +71,7 @@ fatal (int fd, des_cblock *key, des_key_schedule schedule,
va_start(args, format);
p = msg;
*p++ = ERROR;
vsprintf (p + 4, format, args);
vsnprintf (p + 4, sizeof(msg) - 5, format, args);
syslog (LOG_ERR, p + 4);
len = strlen (p + 4);
p += krb_put_int (len, p, 4);
@@ -132,9 +132,21 @@ recv_conn (int sock, des_cblock *key, des_key_schedule schedule,
if (status != KSUCCESS)
syslog (LOG_ERR, "krb_recvauth: %s",
krb_get_err_text(status));
if( strncmp(version, KX_VERSION, KRB_SENDAUTH_VLEN) != 0)
if( strncmp(version, KX_VERSION, KRB_SENDAUTH_VLEN) != 0) {
/* Try to be nice to old kx's */
if (strncmp (version, KX_OLD_VERSION, KRB_SENDAUTH_VLEN) == 0) {
char *old_errmsg = "\001Old version of kx. Please upgrade.";
syslog (LOG_ERR, "Old version client (%s)", version);
krb_net_read (sock, user, sizeof(user));
krb_net_write (sock, old_errmsg, strlen(old_errmsg) + 1);
exit (1);
}
fatal(sock, key, schedule, thisaddr, thataddr,
"Bad version %s", version);
}
memcpy(key, &auth.session, sizeof(des_cblock));
len = read_encrypted (sock, msg, sizeof(msg), &ret,