blob: e370f0c5b80ba2c52c14bf827b8271574cf98438 [file] [log] [blame]
#include "apphandler.h"
#include "app/channel.hpp"
#include "app/watchdog.hpp"
#include "host-ipmid/ipmid-api.h"
#include "ipmid.hpp"
#include "nlohmann/json.hpp"
#include "types.hpp"
#include "utils.hpp"
#include <fstream>
#include <stdio.h>
#include <stdint.h>
#include <systemd/sd-bus.h>
#include <mapper.h>
#include <array>
#include <vector>
#include <string>
#include <cstddef>
#include <experimental/filesystem>
#include <arpa/inet.h>
#include "transporthandler.hpp"
#include <phosphor-logging/log.hpp>
#include <phosphor-logging/elog-errors.hpp>
#include "xyz/openbmc_project/Common/error.hpp"
extern sd_bus *bus;
constexpr auto bmc_interface = "xyz.openbmc_project.Inventory.Item.Bmc";
constexpr auto bmc_guid_interface = "xyz.openbmc_project.Common.UUID";
constexpr auto bmc_guid_property = "UUID";
constexpr auto bmc_guid_len = 16;
void register_netfn_app_functions() __attribute__((constructor));
using namespace phosphor::logging;
using namespace sdbusplus::xyz::openbmc_project::Common::Error;
namespace fs = std::experimental::filesystem;
// Offset in get device id command.
typedef struct
{
uint8_t id;
uint8_t revision;
uint8_t fw[2];
uint8_t ipmi_ver;
uint8_t addn_dev_support;
uint8_t manuf_id[3];
uint8_t prod_id[2];
uint8_t aux[4];
}__attribute__((packed)) ipmi_device_id_t;
ipmi_ret_t ipmi_app_set_acpi_power_state(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
ipmi_ret_t rc = IPMI_CC_OK;
*data_len = 0;
printf("IPMI SET ACPI STATE Ignoring for now\n");
return rc;
}
typedef struct
{
char major;
char minor;
uint16_t d[2];
} rev_t;
/* Currently supports the vx.x-x-[-x] and v1.x.x-x-[-x] format. It will */
/* return -1 if not in those formats, this routine knows how to parse */
/* version = v0.6-19-gf363f61-dirty */
/* ^ ^ ^^ ^ */
/* | | |----------|-- additional details */
/* | |---------------- Minor */
/* |------------------ Major */
/* and version = v1.99.10-113-g65edf7d-r3-0-g9e4f715 */
/* ^ ^ ^^ ^ */
/* | | |--|---------- additional details */
/* | |---------------- Minor */
/* |------------------ Major */
/* Additional details : If the option group exists it will force Auxiliary */
/* Firmware Revision Information 4th byte to 1 indicating the build was */
/* derived with additional edits */
int convert_version(const char * p, rev_t *rev)
{
std::string s(p);
std::string token;
uint16_t commits;
auto location = s.find_first_of('v');
if (location != std::string::npos)
{
s = s.substr(location+1);
}
if (!s.empty())
{
location = s.find_first_of(".");
if (location != std::string::npos)
{
rev->major = static_cast<char>(
std::stoi(s.substr(0, location), 0, 16));
token = s.substr(location+1);
}
if (!token.empty())
{
location = token.find_first_of(".-");
if (location != std::string::npos)
{
rev->minor = static_cast<char>(
std::stoi(token.substr(0, location), 0, 16));
token = token.substr(location+1);
}
}
// Capture the number of commits on top of the minor tag.
// I'm using BE format like the ipmi spec asked for
location = token.find_first_of(".-");
if (!token.empty())
{
commits = std::stoi(token.substr(0, location), 0, 16);
rev->d[0] = (commits>>8) | (commits<<8);
// commit number we skip
location = token.find_first_of(".-");
if (location != std::string::npos)
{
token = token.substr(location+1);
}
}
else {
rev->d[0] = 0;
}
if (location != std::string::npos)
{
token = token.substr(location+1);
}
// Any value of the optional parameter forces it to 1
location = token.find_first_of(".-");
if (location != std::string::npos)
{
token = token.substr(location+1);
}
commits = (!token.empty()) ? 1 : 0;
//We do this operation to get this displayed in least significant bytes
//of ipmitool device id command.
rev->d[1] = (commits>>8) | (commits<<8);
}
return 0;
}
ipmi_ret_t ipmi_app_get_device_id(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
ipmi_ret_t rc = IPMI_CC_OK;
const char *objname =
"/org/openbmc/inventory/system/chassis/motherboard/bmc";
const char *iface = "org.openbmc.InventoryItem";
char *ver = NULL;
char *busname = NULL;
int r;
rev_t rev = {0};
static ipmi_device_id_t dev_id{};
static bool dev_id_initialized = false;
const char* filename = "/usr/share/ipmi-providers/dev_id.json";
// Data length
*data_len = sizeof(dev_id);
if (!dev_id_initialized)
{
// Firmware revision is already implemented,
// so get it from appropriate position.
r = mapper_get_service(bus, objname, &busname);
if (r < 0) {
fprintf(stderr, "Failed to get %s bus name: %s\n",
objname, strerror(-r));
goto finish;
}
r = sd_bus_get_property_string(bus,busname,objname,iface,"version",
NULL, &ver);
if ( r < 0 ) {
fprintf(stderr, "Failed to obtain version property: %s\n",
strerror(-r));
} else {
r = convert_version(ver, &rev);
if( r >= 0 ) {
// bit7 identifies if the device is available
// 0=normal operation
// 1=device firmware, SDR update,
// or self-initialization in progress.
// our SDR is normal working condition, so mask:
dev_id.fw[0] = 0x7F & rev.major;
rev.minor = (rev.minor > 99 ? 99 : rev.minor);
dev_id.fw[1] = rev.minor % 10 + (rev.minor / 10) * 16;
memcpy(&dev_id.aux, rev.d, 4);
}
}
// IPMI Spec version 2.0
dev_id.ipmi_ver = 2;
std::ifstream dev_id_file(filename);
if (dev_id_file.is_open())
{
auto data = nlohmann::json::parse(dev_id_file, nullptr, false);
if (!data.is_discarded())
{
dev_id.id = data.value("id", 0);
dev_id.revision = data.value("revision", 0);
dev_id.addn_dev_support = data.value("addn_dev_support", 0);
dev_id.manuf_id[2] = data.value("manuf_id", 0) >> 16;
dev_id.manuf_id[1] = data.value("manuf_id", 0) >> 8;
dev_id.manuf_id[0] = data.value("manuf_id", 0);
dev_id.prod_id[1] = data.value("prod_id", 0) >> 8;
dev_id.prod_id[0] = data.value("prod_id", 0);
dev_id.aux[3] = data.value("aux", 0) >> 24;
dev_id.aux[2] = data.value("aux", 0) >> 16;
dev_id.aux[1] = data.value("aux", 0) >> 8;
dev_id.aux[0] = data.value("aux", 0);
//Don't read the file every time if successful
dev_id_initialized = true;
}
else
{
log<level::ERR>("Device ID JSON parser failure");
rc = IPMI_CC_UNSPECIFIED_ERROR;
}
}
else
{
log<level::ERR>("Device ID file not found");
rc = IPMI_CC_UNSPECIFIED_ERROR;
}
}
// Pack the actual response
memcpy(response, &dev_id, *data_len);
finish:
free(busname);
free(ver);
return rc;
}
ipmi_ret_t ipmi_app_get_self_test_results(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
ipmi_ret_t rc = IPMI_CC_OK;
// Byte 2:
// 55h - No error.
// 56h - Self Test function not implemented in this controller.
// 57h - Corrupted or inaccesssible data or devices.
// 58h - Fatal hardware error.
// FFh - reserved.
// all other: Device-specific 'internal failure'.
// Byte 3:
// For byte 2 = 55h, 56h, FFh: 00h
// For byte 2 = 58h, all other: Device-specific
// For byte 2 = 57h: self-test error bitfield.
// Note: returning 57h does not imply that all test were run.
// [7] 1b = Cannot access SEL device.
// [6] 1b = Cannot access SDR Repository.
// [5] 1b = Cannot access BMC FRU device.
// [4] 1b = IPMB signal lines do not respond.
// [3] 1b = SDR Repository empty.
// [2] 1b = Internal Use Area of BMC FRU corrupted.
// [1] 1b = controller update 'boot block' firmware corrupted.
// [0] 1b = controller operational firmware corrupted.
char selftestresults[2] = {0};
*data_len = 2;
selftestresults[0] = 0x56;
selftestresults[1] = 0;
memcpy(response, selftestresults, *data_len);
return rc;
}
ipmi_ret_t ipmi_app_get_device_guid(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
const char *objname = "/org/openbmc/control/chassis0";
const char *iface = "org.freedesktop.DBus.Properties";
const char *chassis_iface = "org.openbmc.control.Chassis";
sd_bus_message *reply = NULL;
sd_bus_error error = SD_BUS_ERROR_NULL;
int r = 0;
char *uuid = NULL;
char *busname = NULL;
// UUID is in RFC4122 format. Ex: 61a39523-78f2-11e5-9862-e6402cfc3223
// Per IPMI Spec 2.0 need to convert to 16 hex bytes and reverse the byte
// order
// Ex: 0x2332fc2c40e66298e511f2782395a361
const int resp_size = 16; // Response is 16 hex bytes per IPMI Spec
uint8_t resp_uuid[resp_size]; // Array to hold the formatted response
// Point resp end of array to save in reverse order
int resp_loc = resp_size-1;
int i = 0;
char *tokptr = NULL;
char *id_octet = NULL;
// Status code.
ipmi_ret_t rc = IPMI_CC_OK;
*data_len = 0;
printf("IPMI GET DEVICE GUID\n");
// Call Get properties method with the interface and property name
r = mapper_get_service(bus, objname, &busname);
if (r < 0) {
fprintf(stderr, "Failed to get %s bus name: %s\n",
objname, strerror(-r));
goto finish;
}
r = sd_bus_call_method(bus,busname,objname,iface,
"Get",&error, &reply, "ss",
chassis_iface, "uuid");
if (r < 0)
{
fprintf(stderr, "Failed to call Get Method: %s\n", strerror(-r));
rc = IPMI_CC_UNSPECIFIED_ERROR;
goto finish;
}
r = sd_bus_message_read(reply, "v", "s", &uuid);
if (r < 0 || uuid == NULL)
{
fprintf(stderr, "Failed to get a response: %s", strerror(-r));
rc = IPMI_CC_RESPONSE_ERROR;
goto finish;
}
// Traverse the UUID
// Get the UUID octects separated by dash
id_octet = strtok_r(uuid, "-", &tokptr);
if (id_octet == NULL)
{
// Error
fprintf(stderr, "Unexpected UUID format: %s", uuid);
rc = IPMI_CC_RESPONSE_ERROR;
goto finish;
}
while (id_octet != NULL)
{
// Calculate the octet string size since it varies
// Divide it by 2 for the array size since 1 byte is built from 2 chars
int tmp_size = strlen(id_octet)/2;
for(i = 0; i < tmp_size; i++)
{
// Holder of the 2 chars that will become a byte
char tmp_array[3] = {0};
strncpy(tmp_array, id_octet, 2); // 2 chars at a time
int resp_byte = strtoul(tmp_array, NULL, 16); // Convert to hex byte
// Copy end to first
memcpy((void*)&resp_uuid[resp_loc], &resp_byte, 1);
resp_loc--;
id_octet+=2; // Finished with the 2 chars, advance
}
id_octet=strtok_r(NULL, "-", &tokptr); // Get next octet
}
// Data length
*data_len = resp_size;
// Pack the actual response
memcpy(response, &resp_uuid, *data_len);
finish:
sd_bus_error_free(&error);
reply = sd_bus_message_unref(reply);
free(busname);
return rc;
}
ipmi_ret_t ipmi_app_get_bt_capabilities(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
printf("Handling Netfn:[0x%X], Cmd:[0x%X]\n",netfn,cmd);
// Status code.
ipmi_ret_t rc = IPMI_CC_OK;
// Per IPMI 2.0 spec, the input and output buffer size must be the max
// buffer size minus one byte to allocate space for the length byte.
uint8_t str[] = {0x01, MAX_IPMI_BUFFER-1, MAX_IPMI_BUFFER-1, 0x0A, 0x01};
// Data length
*data_len = sizeof(str);
// Pack the actual response
memcpy(response, &str, *data_len);
return rc;
}
ipmi_ret_t ipmi_app_wildcard_handler(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
printf("Handling WILDCARD Netfn:[0x%X], Cmd:[0x%X]\n",netfn, cmd);
// Status code.
ipmi_ret_t rc = IPMI_CC_INVALID;
*data_len = strlen("THIS IS WILDCARD");
// Now pack actual response
memcpy(response, "THIS IS WILDCARD", *data_len);
return rc;
}
ipmi_ret_t ipmi_app_get_sys_guid(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
ipmi_ret_t rc = IPMI_CC_OK;
sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
try
{
// Get the Inventory object implementing BMC interface
ipmi::DbusObjectInfo bmcObject =
ipmi::getDbusObject(bus, bmc_interface);
// Read UUID property value from bmcObject
// UUID is in RFC4122 format Ex: 61a39523-78f2-11e5-9862-e6402cfc3223
auto variant = ipmi::getDbusProperty(
bus, bmcObject.second, bmcObject.first, bmc_guid_interface,
bmc_guid_property);
std::string guidProp = variant.get<std::string>();
// Erase "-" characters from the property value
guidProp.erase(std::remove(guidProp.begin(), guidProp.end(), '-'),
guidProp.end());
auto guidPropLen = guidProp.length();
// Validate UUID data
// Divide by 2 as 1 byte is built from 2 chars
if ( (guidPropLen <=0) || ((guidPropLen/2) != bmc_guid_len) )
{
log<level::ERR>("Invalid UUID property value",
entry("UUID_LENGTH=%d", guidPropLen));
return IPMI_CC_RESPONSE_ERROR;
}
// Convert data in RFC4122(MSB) format to LSB format
// Get 2 characters at a time as 1 byte is built from 2 chars and
// convert to hex byte
// TODO: Data printed for GUID command is not as per the
// GUID format defined in IPMI specification 2.0 section 20.8
// Ticket raised: https://sourceforge.net/p/ipmitool/bugs/501/
uint8_t respGuid[bmc_guid_len];
for (size_t i = 0, respLoc = (bmc_guid_len - 1);
i < guidPropLen && respLoc >= 0; i += 2, respLoc--)
{
auto value = static_cast<uint8_t>(
std::stoi(guidProp.substr(i, 2).c_str(), NULL, 16));
respGuid[respLoc] = value;
}
*data_len = bmc_guid_len;
memcpy(response, &respGuid, bmc_guid_len);
}
catch (const InternalFailure& e)
{
log<level::ERR>("Failed in reading BMC UUID property",
entry("INTERFACE=%s", bmc_interface),
entry("PROPERTY_INTERFACE=%s", bmc_guid_interface),
entry("PROPERTY=%s", bmc_guid_property));
return IPMI_CC_UNSPECIFIED_ERROR;
}
return rc;
}
void register_netfn_app_functions()
{
// <Get BT Interface Capabilities>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_APP,
IPMI_CMD_GET_CAP_BIT);
ipmi_register_callback(NETFUN_APP,
IPMI_CMD_GET_CAP_BIT,
NULL,
ipmi_app_get_bt_capabilities,
PRIVILEGE_USER);
// <Wildcard Command>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_APP,
IPMI_CMD_WILDCARD);
ipmi_register_callback(NETFUN_APP,
IPMI_CMD_WILDCARD,
NULL,
ipmi_app_wildcard_handler,
PRIVILEGE_USER);
// <Reset Watchdog Timer>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_APP,
IPMI_CMD_RESET_WD);
ipmi_register_callback(NETFUN_APP,
IPMI_CMD_RESET_WD,
NULL,
ipmi_app_watchdog_reset,
PRIVILEGE_OPERATOR);
// <Set Watchdog Timer>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_APP,
IPMI_CMD_SET_WD);
ipmi_register_callback(NETFUN_APP,
IPMI_CMD_SET_WD,
NULL,
ipmi_app_watchdog_set,
PRIVILEGE_OPERATOR);
// <Get Watchdog Timer>
ipmi_register_callback(NETFUN_APP,
IPMI_CMD_GET_WD,
NULL,
ipmi_app_watchdog_get,
PRIVILEGE_OPERATOR);
// <Get Device ID>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_APP,
IPMI_CMD_GET_DEVICE_ID);
ipmi_register_callback(NETFUN_APP,
IPMI_CMD_GET_DEVICE_ID,
NULL,
ipmi_app_get_device_id,
PRIVILEGE_USER);
// <Get Self Test Results>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_APP,
IPMI_CMD_GET_SELF_TEST_RESULTS);
ipmi_register_callback(NETFUN_APP,
IPMI_CMD_GET_SELF_TEST_RESULTS,
NULL,
ipmi_app_get_self_test_results,
PRIVILEGE_USER);
// <Get Device GUID>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_APP,
IPMI_CMD_GET_DEVICE_GUID);
ipmi_register_callback(NETFUN_APP,
IPMI_CMD_GET_DEVICE_GUID,
NULL,
ipmi_app_get_device_guid,
PRIVILEGE_USER);
// <Set ACPI Power State>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_APP,
IPMI_CMD_SET_ACPI);
ipmi_register_callback(NETFUN_APP,
IPMI_CMD_SET_ACPI,
NULL,
ipmi_app_set_acpi_power_state,
PRIVILEGE_ADMIN);
// <Set Channel Access>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_APP,
IPMI_CMD_SET_CHAN_ACCESS);
ipmi_register_callback(NETFUN_APP,
IPMI_CMD_SET_CHAN_ACCESS,
NULL,
ipmi_set_channel_access,
PRIVILEGE_ADMIN);
// <Get Channel Access>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_APP,
IPMI_CMD_GET_CHANNEL_ACCESS);
ipmi_register_callback(NETFUN_APP,
IPMI_CMD_GET_CHANNEL_ACCESS,
NULL,
ipmi_get_channel_access,
PRIVILEGE_USER);
// <Get Channel Info Command>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_APP,
IPMI_CMD_GET_CHAN_INFO);
ipmi_register_callback(NETFUN_APP,
IPMI_CMD_GET_CHAN_INFO,
NULL,
ipmi_app_channel_info,
PRIVILEGE_USER);
// <Get System GUID Command>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_APP,
IPMI_CMD_GET_SYS_GUID);
ipmi_register_callback(NETFUN_APP,
IPMI_CMD_GET_SYS_GUID,
NULL,
ipmi_app_get_sys_guid,
PRIVILEGE_USER);
return;
}