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/*
* Copyright (C) 2003-2014 FreeIPMI Core Team
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
#include <stdio.h>
#include <stdlib.h>
#if STDC_HEADERS
#include <string.h>
#endif /* STDC_HEADERS */
#include <assert.h>
#include "ipmi-config.h"
#include "ipmi-config-map.h"
#include "ipmi-config-section.h"
#include "ipmi-config-utils.h"
#include "ipmi-config-validate.h"
#include "freeipmi-portability.h"
#include "pstdout.h"
#include "tool-util-common.h"
static ipmi_config_err_t
_get_key (ipmi_config_state_data_t *state_data,
const char *section_name,
uint8_t key_type,
void *key,
unsigned int key_len)
{
fiid_obj_t obj_cmd_rs = NULL;
uint8_t buf[IPMI_CONFIG_PARSE_BUFLEN];
int buf_len;
ipmi_config_err_t rv = IPMI_CONFIG_ERR_FATAL_ERROR;
ipmi_config_err_t ret;
uint8_t channel_number;
assert (state_data);
assert (section_name);
assert (key_type == IPMI_CHANNEL_SECURITY_KEYS_KEY_ID_K_R
|| key_type == IPMI_CHANNEL_SECURITY_KEYS_KEY_ID_K_G);
assert (key);
assert (key_len);
if (!(obj_cmd_rs = fiid_obj_create (tmpl_cmd_set_channel_security_keys_rs)))
{
pstdout_fprintf (state_data->pstate,
stderr,
"fiid_obj_create: %s\n",
strerror (errno));
goto cleanup;
}
if ((ret = get_lan_channel_number (state_data, section_name, &channel_number)) != IPMI_CONFIG_ERR_SUCCESS)
{
rv = ret;
goto cleanup;
}
if (ipmi_cmd_set_channel_security_keys (state_data->ipmi_ctx,
channel_number,
IPMI_CHANNEL_SECURITY_KEYS_OPERATION_READ_KEY,
key_type,
NULL,
0,
obj_cmd_rs) < 0)
{
if (!IPMI_CTX_ERRNUM_IS_FATAL_ERROR (state_data->ipmi_ctx))
rv = IPMI_CONFIG_ERR_NON_FATAL_ERROR;
if (rv == IPMI_CONFIG_ERR_FATAL_ERROR
|| state_data->prog_data->args->common_args.debug)
pstdout_fprintf (state_data->pstate,
stderr,
"ipmi_cmd_set_channel_security_keys: %s\n",
ipmi_ctx_errormsg (state_data->ipmi_ctx));
goto cleanup;
}
if ((buf_len = fiid_obj_get_data (obj_cmd_rs,
"key_value",
buf,
IPMI_CONFIG_PARSE_BUFLEN)) < 0)
{
pstdout_fprintf (state_data->pstate,
stderr,
"fiid_obj_get_data: 'key_value': %s\n",
fiid_obj_errormsg (obj_cmd_rs));
goto cleanup;
}
if (key_len < buf_len)
{
pstdout_fprintf (state_data->pstate,
stderr,
"ipmi_cmd_set_channel_security_keys: short buffer\n");
goto cleanup;
}
memcpy (key, buf, buf_len);
rv = IPMI_CONFIG_ERR_SUCCESS;
cleanup:
fiid_obj_destroy (obj_cmd_rs);
return (rv);
}
static ipmi_config_err_t
_set_key (ipmi_config_state_data_t *state_data,
const char *section_name,
uint8_t key_type,
const void *key,
unsigned int key_len)
{
fiid_obj_t obj_cmd_rs = NULL;
ipmi_config_err_t rv = IPMI_CONFIG_ERR_FATAL_ERROR;
ipmi_config_err_t ret;
uint8_t channel_number;
assert (state_data);
assert (section_name);
assert (key_type == IPMI_CHANNEL_SECURITY_KEYS_KEY_ID_K_R
|| key_type == IPMI_CHANNEL_SECURITY_KEYS_KEY_ID_K_G);
assert (key);
if (!(obj_cmd_rs = fiid_obj_create (tmpl_cmd_set_channel_security_keys_rs)))
{
pstdout_fprintf (state_data->pstate,
stderr,
"fiid_obj_create: %s\n",
strerror (errno));
goto cleanup;
}
if ((ret = get_lan_channel_number (state_data, section_name, &channel_number)) != IPMI_CONFIG_ERR_SUCCESS)
{
rv = ret;
goto cleanup;
}
if (ipmi_cmd_set_channel_security_keys (state_data->ipmi_ctx,
channel_number,
IPMI_CHANNEL_SECURITY_KEYS_OPERATION_SET_KEY,
key_type,
key,
key_len,
obj_cmd_rs) < 0)
{
if (!IPMI_CTX_ERRNUM_IS_FATAL_ERROR (state_data->ipmi_ctx))
rv = IPMI_CONFIG_ERR_NON_FATAL_ERROR;
if (rv == IPMI_CONFIG_ERR_FATAL_ERROR
|| state_data->prog_data->args->common_args.debug)
pstdout_fprintf (state_data->pstate,
stderr,
"ipmi_cmd_set_channel_security_keys: %s\n",
ipmi_ctx_errormsg (state_data->ipmi_ctx));
goto cleanup;
}
rv = IPMI_CONFIG_ERR_SUCCESS;
cleanup:
fiid_obj_destroy (obj_cmd_rs);
return (rv);
}
static ipmi_config_err_t
k_r_checkout (ipmi_config_state_data_t *state_data,
const char *section_name,
struct ipmi_config_keyvalue *kv)
{
uint8_t k_r[IPMI_MAX_K_R_LENGTH + 1];
ipmi_config_err_t ret;
assert (state_data);
assert (section_name);
assert (kv);
memset (k_r, 0, IPMI_MAX_K_R_LENGTH + 1);
if ((ret = _get_key (state_data,
section_name,
IPMI_CHANNEL_SECURITY_KEYS_KEY_ID_K_R,
k_r,
IPMI_MAX_K_R_LENGTH)) != IPMI_CONFIG_ERR_SUCCESS)
return (ret);
k_r[IPMI_MAX_K_R_LENGTH] = '\0';
if (ipmi_config_section_update_keyvalue_output (state_data,
kv,
(char *)k_r) < 0)
return (IPMI_CONFIG_ERR_FATAL_ERROR);
return (IPMI_CONFIG_ERR_SUCCESS);
}
static ipmi_config_err_t
k_r_commit (ipmi_config_state_data_t *state_data,
const char *section_name,
const struct ipmi_config_keyvalue *kv)
{
assert (state_data);
assert (section_name);
assert (kv);
return (_set_key (state_data,
section_name,
IPMI_CHANNEL_SECURITY_KEYS_KEY_ID_K_R,
kv->value_input,
strlen (kv->value_input)));
}
static ipmi_config_validate_t
k_r_validate (ipmi_config_state_data_t *state_data,
const char *section_name,
const char *key_name,
const char *value)
{
assert (state_data);
assert (section_name);
assert (key_name);
assert (value);
if (strlen (value) <= IPMI_MAX_K_R_LENGTH)
return (IPMI_CONFIG_VALIDATE_VALID_VALUE);
return (IPMI_CONFIG_VALIDATE_INVALID_VALUE);
}
static ipmi_config_err_t
k_g_checkout (ipmi_config_state_data_t *state_data,
const char *section_name,
struct ipmi_config_keyvalue *kv)
{
uint8_t k_g[IPMI_MAX_K_G_LENGTH];
char k_g_str[IPMI_MAX_K_G_LENGTH*2+3];
ipmi_config_err_t ret;
assert (state_data);
assert (section_name);
assert (kv);
memset (k_g, 0, IPMI_MAX_K_G_LENGTH);
if ((ret = _get_key (state_data,
section_name,
IPMI_CHANNEL_SECURITY_KEYS_KEY_ID_K_G,
k_g,
IPMI_MAX_K_G_LENGTH)) != IPMI_CONFIG_ERR_SUCCESS)
return (ret);
/* a printable k_g key can have two representations, so compare the
* binary keys and return what the user passed in if they are the
* same.
*/
if (state_data->prog_data->args->action == IPMI_CONFIG_ACTION_DIFF)
{
uint8_t kv_k_g[IPMI_MAX_K_G_LENGTH+1];
memset (kv_k_g, '\0', IPMI_MAX_K_G_LENGTH);
if (parse_kg (kv_k_g, IPMI_MAX_K_G_LENGTH + 1, kv->value_input) < 0)
return (IPMI_CONFIG_ERR_FATAL_ERROR);
if (!memcmp (kv_k_g, k_g, IPMI_MAX_K_G_LENGTH))
{
if (ipmi_config_section_update_keyvalue_output (state_data,
kv,
kv->value_input) < 0)
return (IPMI_CONFIG_ERR_FATAL_ERROR);
return (IPMI_CONFIG_ERR_SUCCESS);
}
/* else, fall through and return the default checked out value */
}
memset (k_g_str, '\0', IPMI_MAX_K_G_LENGTH*2+3);
if (!format_kg (k_g_str, IPMI_MAX_K_G_LENGTH*2+3, k_g))
return (IPMI_CONFIG_ERR_FATAL_ERROR);
if (ipmi_config_section_update_keyvalue_output (state_data,
kv,
k_g_str) < 0)
return (IPMI_CONFIG_ERR_FATAL_ERROR);
return (IPMI_CONFIG_ERR_SUCCESS);
}
static ipmi_config_err_t
k_g_commit (ipmi_config_state_data_t *state_data,
const char *section_name,
const struct ipmi_config_keyvalue *kv)
{
uint8_t k_g[IPMI_MAX_K_G_LENGTH+1];
int k_g_len;
assert (state_data);
assert (section_name);
assert (kv);
memset (k_g, 0, IPMI_MAX_K_G_LENGTH + 1);
if ((k_g_len = parse_kg (k_g, IPMI_MAX_K_G_LENGTH + 1, kv->value_input)) < 0)
return (IPMI_CONFIG_ERR_FATAL_ERROR);
return (_set_key (state_data,
section_name,
IPMI_CHANNEL_SECURITY_KEYS_KEY_ID_K_G,
k_g,
k_g_len));
}
static ipmi_config_validate_t
k_g_validate (ipmi_config_state_data_t *state_data,
const char *section_name,
const char *key_name,
const char *value)
{
uint8_t k_g[IPMI_MAX_K_G_LENGTH+1];
assert (state_data);
assert (section_name);
assert (key_name);
assert (value);
if (parse_kg (k_g, IPMI_MAX_K_G_LENGTH + 1, value) < 0)
return (IPMI_CONFIG_VALIDATE_INVALID_VALUE);
return (IPMI_CONFIG_VALIDATE_VALID_VALUE);
}
struct ipmi_config_section *
ipmi_config_core_lan_conf_security_keys_section_get (ipmi_config_state_data_t *state_data,
unsigned int config_flags,
int channel_index)
{
struct ipmi_config_section *section = NULL;
char *section_comment =
"If your system supports IPMI 2.0 and Serial-over-LAN (SOL), a "
"K_g BMC key may be configurable. The K_g key is an optional key that "
"can be set for two key authentication in IPMI 2.0. It is optionally "
"configured. Most users will want to set this to zero (or blank).";
char *section_name_base_str = "Lan_Conf_Security_Keys";
assert (state_data);
if (!(section = ipmi_config_section_multi_channel_create (state_data,
section_name_base_str,
section_comment,
NULL,
NULL,
config_flags,
channel_index,
state_data->lan_channel_numbers,
state_data->lan_channel_numbers_count)))
goto cleanup;
if (ipmi_config_section_add_key (state_data,
section,
"K_R",
"Give string or blank to clear. Max 20 chars",
0,
k_r_checkout,
k_r_commit,
k_r_validate) < 0)
goto cleanup;
if (ipmi_config_section_add_key (state_data,
section,
"K_G",
"Give string or blank to clear. Max 20 bytes, prefix with 0x to enter hex",
0,
k_g_checkout,
k_g_commit,
k_g_validate) < 0)
goto cleanup;
return (section);
cleanup:
if (section)
ipmi_config_section_destroy (section);
return (NULL);
}
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