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/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
* SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
* FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL
* SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
* OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
* PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
* LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
* EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*/
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/select.h>
#include <sys/time.h>
#include <signal.h>
#include <unistd.h>
#include <termios.h>
#include <ipmitool/helper.h>
#include <ipmitool/log.h>
#include <ipmitool/ipmi.h>
#include <ipmitool/ipmi_strings.h>
#include <ipmitool/ipmi_intf.h>
#include <ipmitool/ipmi_isol.h>
static struct termios _saved_tio;
static int _in_raw_mode = 0;
extern int verbose;
#define ISOL_ESCAPE_CHARACTER '~'
/*
* ipmi_get_isol_info
*/
static int ipmi_get_isol_info(struct ipmi_intf * intf,
struct isol_config_parameters * params)
{
struct ipmi_rs * rsp;
struct ipmi_rq req;
unsigned char data[6];
memset(&req, 0, sizeof(req));
req.msg.netfn = IPMI_NETFN_ISOL;
req.msg.cmd = GET_ISOL_CONFIG;
req.msg.data = data;
req.msg.data_len = 4;
/* GET ISOL ENABLED CONFIG */
memset(data, 0, 6);
data[0] = 0x00;
data[1] = ISOL_ENABLE_PARAM;
data[2] = 0x00; /* block */
data[3] = 0x00; /* selector */
rsp = intf->sendrecv(intf, &req);
if (rsp == NULL) {
lprintf(LOG_ERR, "Error in Get ISOL Config Command");
return -1;
}
if (rsp->ccode == 0xc1) {
lprintf(LOG_ERR, "IPMI v1.5 Serial Over Lan (ISOL) not supported!");
return -1;
}
if (rsp->ccode > 0) {
lprintf(LOG_ERR, "Error in Get ISOL Config Command: %s",
val2str(rsp->ccode, completion_code_vals));
return -1;
}
params->enabled = rsp->data[1];
/* GET ISOL AUTHENTICATON CONFIG */
memset(data, 0, 6);
data[0] = 0x00;
data[1] = ISOL_AUTHENTICATION_PARAM;
data[2] = 0x00; /* block */
data[3] = 0x00; /* selector */
rsp = intf->sendrecv(intf, &req);
if (rsp == NULL) {
lprintf(LOG_ERR, "Error in Get ISOL Config Command");
return -1;
}
if (rsp->ccode > 0) {
lprintf(LOG_ERR, "Error in Get ISOL Config Command: %s",
val2str(rsp->ccode, completion_code_vals));
return -1;
}
params->privilege_level = rsp->data[1];
/* GET ISOL BAUD RATE CONFIG */
memset(data, 0, 6);
data[0] = 0x00;
data[1] = ISOL_BAUD_RATE_PARAM;
data[2] = 0x00; /* block */
data[3] = 0x00; /* selector */
rsp = intf->sendrecv(intf, &req);
if (rsp == NULL) {
lprintf(LOG_ERR, "Error in Get ISOL Config Command");
return -1;
}
if (rsp->ccode > 0) {
lprintf(LOG_ERR, "Error in Get ISOL Config Command: %s",
val2str(rsp->ccode, completion_code_vals));
return -1;
}
params->bit_rate = rsp->data[1];
return 0;
}
static int ipmi_print_isol_info(struct ipmi_intf * intf)
{
struct isol_config_parameters params = {0};
if (ipmi_get_isol_info(intf, ¶ms))
return -1;
if (csv_output)
{
printf("%s,", (params.enabled & 0x1)?"true": "false");
printf("%s,",
val2str((params.privilege_level & 0xf), ipmi_privlvl_vals));
printf("%s,",
val2str((params.bit_rate & 0xf), ipmi_bit_rate_vals));
}
else
{
printf("Enabled : %s\n",
(params.enabled & 0x1)?"true": "false");
printf("Privilege Level : %s\n",
val2str((params.privilege_level & 0xf), ipmi_privlvl_vals));
printf("Bit Rate (kbps) : %s\n",
val2str((params.bit_rate & 0xf), ipmi_bit_rate_vals));
}
return 0;
}
static int ipmi_isol_set_param(struct ipmi_intf * intf,
const char *param,
const char *value)
{
struct ipmi_rs * rsp;
struct ipmi_rq req;
unsigned char data[6];
struct isol_config_parameters params = {0};
/* We need other values to complete the request */
if (ipmi_get_isol_info(intf, ¶ms))
return -1;
memset(&req, 0, sizeof(req));
req.msg.netfn = IPMI_NETFN_ISOL;
req.msg.cmd = SET_ISOL_CONFIG;
req.msg.data = data;
req.msg.data_len = 3;
memset(data, 0, 6);
/*
* enabled
*/
if (strcmp(param, "enabled") == 0)
{
data[1] = ISOL_ENABLE_PARAM;
if (strcmp(value, "true") == 0)
data[2] = 0x01;
else if (strcmp(value, "false") == 0)
data[2] = 0x00;
else {
lprintf(LOG_ERR, "Invalid value %s for parameter %s",
value, param);
lprintf(LOG_ERR, "Valid values are true and false");
return -1;
}
}
/*
* privilege-level
*/
else if (strcmp(param, "privilege-level") == 0)
{
data[1] = ISOL_AUTHENTICATION_PARAM;
if (! strcmp(value, "user"))
data[2] = 0x02;
else if (! strcmp(value, "operator"))
data[2] = 0x03;
else if (! strcmp(value, "admin"))
data[2] = 0x04;
else if (! strcmp(value, "oem"))
data[2] = 0x05;
else
{
lprintf(LOG_ERR, "Invalid value %s for parameter %s",
value, param);
lprintf(LOG_ERR, "Valid values are user, operator, admin, and oem");
return -1;
}
/* We need to mask bit7 from the fetched value */
data[2] |= (params.privilege_level & 0x80) ? 0x80 : 0x00;
}
/*
* bit-rate
*/
else if (strcmp(param, "bit-rate") == 0)
{
data[1] = ISOL_BAUD_RATE_PARAM;
if (strncmp(value, "9.6", 3) == 0) {
data[2] = 0x06;
}
else if (strncmp(value, "19.2", 4) == 0) {
data[2] = 0x07;
}
else if (strncmp(value, "38.4", 4) == 0) {
data[2] = 0x08;
}
else if (strncmp(value, "57.6", 4) == 0) {
data[2] = 0x09;
}
else if (strncmp(value, "115.2", 5) == 0) {
data[2] = 0x0A;
}
else {
lprintf(LOG_ERR, "ISOL - Unsupported baud rate: %s", value);
lprintf(LOG_ERR, "Valid values are 9.6, 19.2, 38.4, 57.6 and 115.2");
return -1;
}
}
else
{
lprintf(LOG_ERR, "Error: invalid ISOL parameter %s", param);
return -1;
}
/*
* Execute the request
*/
rsp = intf->sendrecv(intf, &req);
if (rsp == NULL) {
lprintf(LOG_ERR, "Error setting ISOL parameter '%s'", param);
return -1;
}
if (rsp->ccode > 0) {
lprintf(LOG_ERR, "Error setting ISOL parameter '%s': %s",
param, val2str(rsp->ccode, completion_code_vals));
return -1;
}
return 0;
}
static void
leave_raw_mode(void)
{
if (!_in_raw_mode)
return;
if (tcsetattr(fileno(stdin), TCSADRAIN, &_saved_tio) == -1)
perror("tcsetattr");
else
_in_raw_mode = 0;
}
static void
enter_raw_mode(void)
{
struct termios tio;
if (tcgetattr(fileno(stdin), &tio) == -1) {
perror("tcgetattr");
return;
}
_saved_tio = tio;
tio.c_iflag |= IGNPAR;
tio.c_iflag &= ~(ISTRIP | INLCR | IGNCR | ICRNL | IXON | IXANY | IXOFF)\
;
tio.c_lflag &= ~(ISIG | ICANON | ECHO | ECHOE | ECHOK | ECHONL);
// #ifdef IEXTEN
tio.c_lflag &= ~IEXTEN;
// #endif
tio.c_oflag &= ~OPOST;
tio.c_cc[VMIN] = 1;
tio.c_cc[VTIME] = 0;
if (tcsetattr(fileno(stdin), TCSADRAIN, &tio) == -1)
perror("tcsetattr");
else
_in_raw_mode = 1;
}
static void
sendBreak(struct ipmi_intf * intf)
{
struct ipmi_v2_payload v2_payload;
memset(&v2_payload, 0, sizeof(v2_payload));
v2_payload.payload.sol_packet.character_count = 0;
v2_payload.payload.sol_packet.generate_break = 1;
intf->send_sol(intf, &v2_payload);
}
/*
* suspendSelf
*
* Put ourself in the background
*
* param bRestoreTty specifies whether we will put our self back
* in raw mode when we resume
*/
static void
suspendSelf(int bRestoreTty)
{
leave_raw_mode();
kill(getpid(), SIGTSTP);
if (bRestoreTty)
enter_raw_mode();
}
/*
* printiSolEscapeSequences
*
* Send some useful documentation to the user
*/
static void
printiSolEscapeSequences(void)
{
printf(
"%c?\n\
Supported escape sequences:\n\
%c. - terminate connection\n\
%c^Z - suspend ipmitool\n\
%c^X - suspend ipmitool, but don't restore tty on restart\n\
%cB - send break\n\
%c? - this message\n\
%c%c - send the escape character by typing it twice\n\
(Note that escapes are only recognized immediately after newline.)\n",
ISOL_ESCAPE_CHARACTER,
ISOL_ESCAPE_CHARACTER,
ISOL_ESCAPE_CHARACTER,
ISOL_ESCAPE_CHARACTER,
ISOL_ESCAPE_CHARACTER,
ISOL_ESCAPE_CHARACTER,
ISOL_ESCAPE_CHARACTER,
ISOL_ESCAPE_CHARACTER);
}
/*
* output
*
* Send the specified data to stdout
*/
static void
output(struct ipmi_rs * rsp)
{
if (rsp)
{
int i;
for (i = 0; i < rsp->data_len; ++i)
putc(rsp->data[i], stdout);
fflush(stdout);
}
}
/*
* ipmi_isol_deactivate
*/
static int
ipmi_isol_deactivate(struct ipmi_intf * intf)
{
struct ipmi_rs * rsp;
struct ipmi_rq req;
uint8_t data[6];
memset(&req, 0, sizeof(req));
req.msg.netfn = IPMI_NETFN_ISOL;
req.msg.cmd = ACTIVATE_ISOL;
req.msg.data = data;
req.msg.data_len = 5;
memset(data, 0, 6);
data[0] = 0x00; /* Deactivate */
data[1] = 0x00;
data[2] = 0x00;
data[3] = 0x00;
data[5] = 0x00;
rsp = intf->sendrecv(intf, &req);
if (rsp == NULL) {
lprintf(LOG_ERR, "Error deactivating ISOL");
return -1;
}
if (rsp->ccode > 0) {
lprintf(LOG_ERR, "Error deactivating ISOL: %s",
val2str(rsp->ccode, completion_code_vals));
return -1;
}
/* response contain 4 additional bytes : 80 00 32 ff
Don't know what to use them for yet... */
return 0;
}
/*
* processiSolUserInput
*
* Act on user input into the ISOL session. The only reason this
* is complicated is that we have to process escape sequences.
*
* return 0 on success
* 1 if we should exit
* < 0 on error (BMC probably closed the session)
*/
static int
processiSolUserInput(struct ipmi_intf * intf,
uint8_t * input,
uint16_t buffer_length)
{
static int escape_pending = 0;
static int last_was_cr = 1;
struct ipmi_v2_payload v2_payload;
int length = 0;
int retval = 0;
char ch;
int i;
memset(&v2_payload, 0, sizeof(v2_payload));
/*
* Our first order of business is to check the input for escape
* sequences to act on.
*/
for (i = 0; i < buffer_length; ++i)
{
ch = input[i];
if (escape_pending){
escape_pending = 0;
/*
* Process a possible escape sequence.
*/
switch (ch) {
case '.':
printf("%c. [terminated ipmitool]\n", ISOL_ESCAPE_CHARACTER);
retval = 1;
break;
case 'Z' - 64:
printf("%c^Z [suspend ipmitool]\n", ISOL_ESCAPE_CHARACTER);
suspendSelf(1); /* Restore tty back to raw */
continue;
case 'X' - 64:
printf("%c^X [suspend ipmitool]\n", ISOL_ESCAPE_CHARACTER);
suspendSelf(0); /* Don't restore to raw mode */
continue;
case 'B':
printf("%cb [send break]\n", ISOL_ESCAPE_CHARACTER);
sendBreak(intf);
continue;
case '?':
printiSolEscapeSequences();
continue;
default:
if (ch != ISOL_ESCAPE_CHARACTER)
v2_payload.payload.sol_packet.data[length++] =
ISOL_ESCAPE_CHARACTER;
v2_payload.payload.sol_packet.data[length++] = ch;
}
}
else
{
if (last_was_cr && (ch == ISOL_ESCAPE_CHARACTER)) {
escape_pending = 1;
continue;
}
v2_payload.payload.sol_packet.data[length++] = ch;
}
/*
* Normal character. Record whether it was a newline.
*/
last_was_cr = (ch == '\r' || ch == '\n');
}
/*
* If there is anything left to process we dispatch it to the BMC,
* send intf->session->sol_data.max_outbound_payload_size bytes
* at a time.
*/
if (length)
{
struct ipmi_rs * rsp;
v2_payload.payload.sol_packet.flush_outbound = 1; /* Not sure if necessary ? */
v2_payload.payload.sol_packet.character_count = length;
rsp = intf->send_sol(intf, &v2_payload);
if (! rsp) {
lprintf(LOG_ERR, "Error sending SOL data");
retval = -1;
}
/* If the sequence number is set we know we have new data */
else if ((rsp->session.payloadtype == IPMI_PAYLOAD_TYPE_SOL) &&
(rsp->payload.sol_packet.packet_sequence_number))
output(rsp);
}
return retval;
}
/*
* ipmi_isol_red_pill
*/
static int
ipmi_isol_red_pill(struct ipmi_intf * intf)
{
char * buffer;
int numRead;
int bShouldExit = 0;
int bBmcClosedSession = 0;
fd_set read_fds;
struct timeval tv;
int retval;
int buffer_size = 255;
int timedout = 0;
buffer = (char*)malloc(buffer_size);
if (buffer == NULL) {
lprintf(LOG_ERR, "ipmitool: malloc failure");
return -1;
}
enter_raw_mode();
while (! bShouldExit)
{
FD_ZERO(&read_fds);
FD_SET(0, &read_fds);
FD_SET(intf->fd, &read_fds);
/* Wait up to half a second */
tv.tv_sec = 0;
tv.tv_usec = 500000;
retval = select(intf->fd + 1, &read_fds, NULL, NULL, &tv);
if (retval)
{
if (retval == -1)
{
/* ERROR */
perror("select");
return -1;
}
timedout = 0;
/*
* Process input from the user
*/
if (FD_ISSET(0, &read_fds))
{
memset(buffer, 0, buffer_size);
numRead = read(fileno(stdin),
buffer,
buffer_size);
if (numRead > 0)
{
int rc = processiSolUserInput(intf, buffer, numRead);
if (rc)
{
if (rc < 0)
bShouldExit = bBmcClosedSession = 1;
else
bShouldExit = 1;
}
}
else
{
bShouldExit = 1;
}
}
/*
* Process input from the BMC
*/
else if (FD_ISSET(intf->fd, &read_fds))
{
struct ipmi_rs * rs = intf->recv_sol(intf);
if (! rs)
{
bShouldExit = bBmcClosedSession = 1;
}
else
output(rs);
}
/*
* ERROR in select
*/
else
{
lprintf(LOG_ERR, "Error: Select returned with nothing to read");
bShouldExit = 1;
}
}
else
{
if ((++timedout) == 20) /* Every 10 seconds we send a keepalive */
{
intf->keepalive(intf);
timedout = 0;
}
}
}
leave_raw_mode();
if (bBmcClosedSession)
{
lprintf(LOG_ERR, "SOL session closed by BMC");
}
else
ipmi_isol_deactivate(intf);
return 0;
}
/*
* ipmi_isol_activate
*/
static int
ipmi_isol_activate(struct ipmi_intf * intf)
{
struct ipmi_rs * rsp;
struct ipmi_rq req;
uint8_t data[6];
struct isol_config_parameters params;
if (ipmi_get_isol_info(intf, ¶ms))
return -1;
if (!(params.enabled & 0x1)) {
lprintf(LOG_ERR, "ISOL is not enabled!");
return -1;
}
/*
* Setup a callback so that the lanplus processing knows what
* to do with packets that come unexpectedly (while waiting for
* an ACK, perhaps.
*/
intf->session->sol_data.sol_input_handler = output;
memset(&req, 0, sizeof(req));
req.msg.netfn = IPMI_NETFN_ISOL;
req.msg.cmd = ACTIVATE_ISOL;
req.msg.data = data;
req.msg.data_len = 5;
memset(data, 0, 6);
data[0] = 0x01;
data[1] = 0x00;
data[2] = 0x00;
data[3] = 0x00;
data[5] = 0x00;
rsp = intf->sendrecv(intf, &req);
if (NULL != rsp) {
switch (rsp->ccode) {
case 0x00:
if (rsp->data_len == 4) {
break;
} else {
lprintf(LOG_ERR, "Error: Unexpected data length (%d) received "
"in ISOL activation response",
rsp->data_len);
return -1;
}
break;
case 0x80:
lprintf(LOG_ERR, "Info: ISOL already active on another session");
return -1;
case 0x81:
lprintf(LOG_ERR, "Info: ISOL disabled");
return -1;
case 0x82:
lprintf(LOG_ERR, "Info: ISOL activation limit reached");
return -1;
default:
lprintf(LOG_ERR, "Error activating ISOL: %s",
val2str(rsp->ccode, completion_code_vals));
return -1;
}
} else {
lprintf(LOG_ERR, "Error: No response activating ISOL");
return -1;
}
/* response contain 4 additional bytes : 80 01 32 ff
Don't know what to use them for yet... */
printf("[SOL Session operational. Use %c? for help]\n",
ISOL_ESCAPE_CHARACTER);
/*
* At this point we are good to go with our SOL session. We
* need to listen to
* 1) STDIN for user input
* 2) The FD for incoming SOL packets
*/
if (ipmi_isol_red_pill(intf)) {
lprintf(LOG_ERR, "Error in SOL session");
return -1;
}
return 0;
}
static void print_isol_set_usage(void) {
lprintf(LOG_NOTICE, "\nISOL set parameters and values: \n");
lprintf(LOG_NOTICE, " enabled true | false");
lprintf(LOG_NOTICE, " privilege-level user | operator | admin | oem");
lprintf(LOG_NOTICE, " bit-rate "
"9.6 | 19.2 | 38.4 | 57.6 | 115.2");
lprintf(LOG_NOTICE, "");
}
static void print_isol_usage(void) {
lprintf(LOG_NOTICE, "ISOL Commands: info");
lprintf(LOG_NOTICE, " set <parameter> <setting>");
lprintf(LOG_NOTICE, " activate");
}
int ipmi_isol_main(struct ipmi_intf * intf, int argc, char ** argv)
{
int ret = 0;
/*
* Help
*/
if (!argc || !strncmp(argv[0], "help", 4))
print_isol_usage();
/*
* Info
*/
else if (!strncmp(argv[0], "info", 4)) {
ret = ipmi_print_isol_info(intf);
}
/*
* Set a parameter value
*/
else if (!strncmp(argv[0], "set", 3)) {
if (argc < 3) {
print_isol_set_usage();
return -1;
}
ret = ipmi_isol_set_param(intf, argv[1], argv[2]);
}
/*
* Activate
*/
else if (!strncmp(argv[0], "activate", 8)) {
ret = ipmi_isol_activate(intf);
}
else {
print_isol_usage();
ret = -1;
}
return ret;
}
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