| #include <stdio.h> |
| #include <string.h> |
| #include <stdint.h> |
| #include <arpa/inet.h> |
| #include <string> |
| |
| #include "host-ipmid/ipmid-api.h" |
| #include "ipmid.hpp" |
| #include "transporthandler.h" |
| |
| #define SYSTEMD_NETWORKD_DBUS 1 |
| |
| #ifdef SYSTEMD_NETWORKD_DBUS |
| #include <systemd/sd-bus.h> |
| #include <mapper.h> |
| #endif |
| |
| // OpenBMC System Manager dbus framework |
| const char *obj = "/org/openbmc/NetworkManager/Interface"; |
| const char *ifc = "org.openbmc.NetworkManager"; |
| |
| const char *nwinterface = "eth0"; |
| |
| const int SIZE_MAC = 18; //xx:xx:xx:xx:xx:xx |
| |
| char new_ipaddr [INET_ADDRSTRLEN] = ""; |
| char new_netmask [INET_ADDRSTRLEN] = ""; |
| char new_gateway [INET_ADDRSTRLEN] = ""; |
| |
| const uint8_t SET_COMPLETE = 0; |
| const uint8_t SET_IN_PROGRESS = 1; |
| const uint8_t SET_COMMIT_WRITE = 2; //Optional |
| const uint8_t SET_IN_PROGRESS_RESERVED = 3; //Reserved |
| |
| // Status of Set-In-Progress Parameter (# 0) |
| uint8_t lan_set_in_progress = SET_COMPLETE; |
| |
| |
| |
| void register_netfn_transport_functions() __attribute__((constructor)); |
| |
| // Helper Function to get IP Address/NetMask/Gateway from Network Manager or Cache |
| // based on Set-In-Progress State |
| ipmi_ret_t getNetworkData(uint8_t lan_param, uint8_t * data) |
| { |
| sd_bus *bus = ipmid_get_sd_bus_connection(); |
| sd_bus_message *reply = NULL; |
| sd_bus_error error = SD_BUS_ERROR_NULL; |
| int family; |
| unsigned char prefixlen; |
| char* ipaddr = NULL; |
| unsigned long mask = 0xFFFFFFFF; |
| char* gateway = NULL; |
| int r = 0; |
| ipmi_ret_t rc = IPMI_CC_OK; |
| char *app = NULL; |
| |
| r = mapper_get_service(bus, obj, &app); |
| if (r < 0) { |
| fprintf(stderr, "Failed to get %s bus name: %s\n", |
| obj, strerror(-r)); |
| goto cleanup; |
| } |
| r = sd_bus_call_method(bus, app, obj, ifc, "GetAddress4", &error, |
| &reply, "s", nwinterface); |
| if(r < 0) |
| { |
| fprintf(stderr, "Failed to call Get Method: %s\n", strerror(-r)); |
| rc = IPMI_CC_UNSPECIFIED_ERROR; |
| goto cleanup; |
| } |
| |
| r = sd_bus_message_read(reply, "iyss", &family, &prefixlen, &ipaddr, &gateway); |
| if(r < 0) |
| { |
| fprintf(stderr, "Failed to get a response: %s\n", strerror(-rc)); |
| rc = IPMI_CC_RESPONSE_ERROR; |
| goto cleanup; |
| } |
| |
| printf("N/W data from HW %s:%d:%s:%s\n", family==AF_INET?"IPv4":"IPv6", prefixlen, ipaddr,gateway); |
| printf("N/W data from Cache: %s:%s:%s\n", new_ipaddr, new_netmask, new_gateway); |
| |
| if(lan_param == LAN_PARM_IP) |
| { |
| if(lan_set_in_progress == SET_COMPLETE) |
| { |
| std::string ipaddrstr(ipaddr); |
| inet_pton(AF_INET, ipaddrstr.c_str(),(void *)data); |
| } |
| else if(lan_set_in_progress == SET_IN_PROGRESS) |
| { |
| inet_pton(AF_INET, new_ipaddr, (void *)data); |
| } |
| } |
| else if(lan_param == LAN_PARM_SUBNET) |
| { |
| if(lan_set_in_progress == SET_COMPLETE) |
| { |
| mask = htonl(mask<<(32-prefixlen)); |
| memcpy(data, &mask, 4); |
| } |
| else if(lan_set_in_progress == SET_IN_PROGRESS) |
| { |
| inet_pton(AF_INET, new_netmask, (void *)data); |
| } |
| } |
| else if(lan_param == LAN_PARM_GATEWAY) |
| { |
| if(lan_set_in_progress == SET_COMPLETE) |
| { |
| std::string gatewaystr(gateway); |
| inet_pton(AF_INET, gatewaystr.c_str(), (void *)data); |
| } |
| else if(lan_set_in_progress == SET_IN_PROGRESS) |
| { |
| inet_pton(AF_INET, new_gateway,(void *)data); |
| } |
| } |
| else |
| { |
| rc = IPMI_CC_PARM_OUT_OF_RANGE; |
| } |
| |
| cleanup: |
| sd_bus_error_free(&error); |
| reply = sd_bus_message_unref(reply); |
| free(app); |
| |
| return rc; |
| } |
| |
| ipmi_ret_t ipmi_transport_wildcard(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 TRANSPORT WILDCARD Netfn:[0x%X], Cmd:[0x%X]\n",netfn, cmd); |
| // Status code. |
| ipmi_ret_t rc = IPMI_CC_INVALID; |
| *data_len = 0; |
| return rc; |
| } |
| |
| struct set_lan_t { |
| uint8_t channel; |
| uint8_t parameter; |
| uint8_t data[8]; // Per IPMI spec, not expecting more than this size |
| } __attribute__ ((packed)); |
| |
| ipmi_ret_t ipmi_transport_set_lan(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; |
| sd_bus *bus = ipmid_get_sd_bus_connection(); |
| sd_bus_message *reply = NULL; |
| sd_bus_error error = SD_BUS_ERROR_NULL; |
| int r = 0; |
| char *app = NULL; |
| |
| printf("IPMI SET_LAN\n"); |
| |
| set_lan_t *reqptr = (set_lan_t*) request; |
| |
| // TODO Use dbus interface once available. For now use cmd line. |
| // TODO Add the rest of the parameters like setting auth type |
| // TODO Add error handling |
| |
| if (reqptr->parameter == LAN_PARM_IP) |
| { |
| snprintf(new_ipaddr, INET_ADDRSTRLEN, "%d.%d.%d.%d", |
| reqptr->data[0], reqptr->data[1], reqptr->data[2], reqptr->data[3]); |
| } |
| else if (reqptr->parameter == LAN_PARM_MAC) |
| { |
| char mac[SIZE_MAC]; |
| |
| snprintf(mac, SIZE_MAC, "%02x:%02x:%02x:%02x:%02x:%02x", |
| reqptr->data[0], |
| reqptr->data[1], |
| reqptr->data[2], |
| reqptr->data[3], |
| reqptr->data[4], |
| reqptr->data[5]); |
| |
| r = mapper_get_service(bus, obj, &app); |
| if (r < 0) { |
| fprintf(stderr, "Failed to get %s bus name: %s\n", |
| obj, strerror(-r)); |
| goto finish; |
| } |
| r = sd_bus_call_method(bus, app, obj, ifc, "SetHwAddress", &error, |
| &reply, "ss", nwinterface, mac); |
| if(r < 0) |
| { |
| fprintf(stderr, "Failed to call the method: %s\n", strerror(-r)); |
| rc = IPMI_CC_UNSPECIFIED_ERROR; |
| } |
| } |
| else if (reqptr->parameter == LAN_PARM_SUBNET) |
| { |
| snprintf(new_netmask, INET_ADDRSTRLEN, "%d.%d.%d.%d", |
| reqptr->data[0], reqptr->data[1], reqptr->data[2], reqptr->data[3]); |
| } |
| else if (reqptr->parameter == LAN_PARM_GATEWAY) |
| { |
| snprintf(new_gateway, INET_ADDRSTRLEN, "%d.%d.%d.%d", |
| reqptr->data[0], reqptr->data[1], reqptr->data[2], reqptr->data[3]); |
| } |
| else if (reqptr->parameter == LAN_PARM_INPROGRESS) |
| { |
| if(reqptr->data[0] == SET_COMPLETE) // Set Complete |
| { |
| lan_set_in_progress = SET_COMPLETE; |
| // Apply the IP settings once IP Address, Netmask and Gateway is set |
| if (!strcmp(new_ipaddr, "") || !strcmp (new_netmask, "") || !strcmp (new_gateway, "")) |
| { |
| printf("ERROR: Incomplete LAN Parameters\n"); |
| } |
| else |
| { |
| |
| r = sd_bus_call_method(bus, // On the System Bus |
| app, // Service to contact |
| obj, // Object path |
| ifc, // Interface name |
| "SetAddress4", // Method to be called |
| &error, // object to return error |
| &reply, // Response message on success |
| "ssss", // input message (Interface, IP Address, Netmask, Gateway) |
| nwinterface, // eth0 |
| new_ipaddr, |
| new_netmask, |
| new_gateway); |
| if(r < 0) |
| { |
| fprintf(stderr, "Failed to set network data %s:%s:%s %s\n", new_ipaddr, new_netmask, new_gateway, error.message); |
| rc = IPMI_CC_UNSPECIFIED_ERROR; |
| } |
| memset(new_ipaddr, 0, INET_ADDRSTRLEN); |
| memset(new_netmask, 0, INET_ADDRSTRLEN); |
| memset(new_gateway, 0, INET_ADDRSTRLEN); |
| } |
| } |
| else if(reqptr->data[0] == SET_IN_PROGRESS) // Set In Progress |
| { |
| lan_set_in_progress = SET_IN_PROGRESS; |
| } |
| } |
| else |
| { |
| fprintf(stderr, "Unsupported parameter 0x%x\n", reqptr->parameter); |
| rc = IPMI_CC_PARM_NOT_SUPPORTED; |
| } |
| |
| finish: |
| sd_bus_error_free(&error); |
| reply = sd_bus_message_unref(reply); |
| free(app); |
| |
| return rc; |
| } |
| |
| struct get_lan_t { |
| uint8_t rev_channel; |
| uint8_t parameter; |
| uint8_t parameter_set; |
| uint8_t parameter_block; |
| } __attribute__ ((packed)); |
| |
| ipmi_ret_t ipmi_transport_get_lan(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; |
| sd_bus *bus = ipmid_get_sd_bus_connection(); |
| sd_bus_message *reply = NULL; |
| sd_bus_error error = SD_BUS_ERROR_NULL; |
| int r = 0; |
| const uint8_t current_revision = 0x11; // Current rev per IPMI Spec 2.0 |
| int i = 0; |
| char *app = NULL; |
| |
| printf("IPMI GET_LAN\n"); |
| |
| get_lan_t *reqptr = (get_lan_t*) request; |
| |
| if (reqptr->rev_channel & 0x80) // Revision is bit 7 |
| { |
| // Only current revision was requested |
| *data_len = sizeof(current_revision); |
| memcpy(response, ¤t_revision, *data_len); |
| return IPMI_CC_OK; |
| } |
| |
| // TODO Use dbus interface once available. For now use ip cmd. |
| // TODO Add the rest of the parameters, like gateway |
| |
| if (reqptr->parameter == LAN_PARM_INPROGRESS) |
| { |
| uint8_t buf[] = {current_revision, lan_set_in_progress}; |
| *data_len = sizeof(buf); |
| memcpy(response, &buf, *data_len); |
| } |
| else if (reqptr->parameter == LAN_PARM_AUTHSUPPORT) |
| { |
| uint8_t buf[] = {current_revision,0x04}; |
| *data_len = sizeof(buf); |
| memcpy(response, &buf, *data_len); |
| } |
| else if (reqptr->parameter == LAN_PARM_AUTHENABLES) |
| { |
| uint8_t buf[] = {current_revision,0x04,0x04,0x04,0x04,0x04}; |
| *data_len = sizeof(buf); |
| memcpy(response, &buf, *data_len); |
| } |
| else if ((reqptr->parameter == LAN_PARM_IP) || (reqptr->parameter == LAN_PARM_SUBNET) || (reqptr->parameter == LAN_PARM_GATEWAY)) |
| { |
| uint8_t buf[5]; |
| |
| *data_len = sizeof(current_revision); |
| memcpy(buf, ¤t_revision, *data_len); |
| |
| if(getNetworkData(reqptr->parameter, &buf[1]) == IPMI_CC_OK) |
| { |
| *data_len = sizeof(buf); |
| memcpy(response, &buf, *data_len); |
| } |
| else |
| { |
| rc = IPMI_CC_UNSPECIFIED_ERROR; |
| } |
| } |
| else if (reqptr->parameter == LAN_PARM_MAC) |
| { |
| //string to parse: link/ether xx:xx:xx:xx:xx:xx |
| uint8_t buf[7]; |
| char *eaddr1 = NULL; |
| |
| r = mapper_get_service(bus, obj, &app); |
| if (r < 0) { |
| fprintf(stderr, "Failed to get %s bus name: %s\n", |
| obj, strerror(-r)); |
| goto cleanup; |
| } |
| r = sd_bus_call_method(bus, app, obj, ifc, "GetHwAddress", &error, |
| &reply, "s", nwinterface); |
| if(r < 0) |
| { |
| fprintf(stderr, "Failed to call Get Method: %s\n", strerror(-r)); |
| rc = IPMI_CC_UNSPECIFIED_ERROR; |
| goto cleanup; |
| } |
| |
| r = sd_bus_message_read(reply, "s", &eaddr1); |
| if (r < 0) |
| { |
| fprintf(stderr, "Failed to get a response: %s", strerror(-r)); |
| rc = IPMI_CC_UNSPECIFIED_ERROR; |
| goto cleanup; |
| } |
| if (eaddr1 == NULL) |
| { |
| fprintf(stderr, "Failed to get a valid response: %s", strerror(-r)); |
| rc = IPMI_CC_UNSPECIFIED_ERROR; |
| goto cleanup; |
| } |
| |
| memcpy((void*)&buf[0], ¤t_revision, 1); |
| |
| char *tokptr = NULL; |
| char* digit = strtok_r(eaddr1, ":", &tokptr); |
| if (digit == NULL) |
| { |
| fprintf(stderr, "Unexpected MAC format: %s", eaddr1); |
| rc = IPMI_CC_RESPONSE_ERROR; |
| goto cleanup; |
| } |
| |
| i=0; |
| while (digit != NULL) |
| { |
| int resp_byte = strtoul(digit, NULL, 16); |
| memcpy((void*)&buf[i+1], &resp_byte, 1); |
| i++; |
| digit = strtok_r(NULL, ":", &tokptr); |
| } |
| |
| *data_len = sizeof(buf); |
| memcpy(response, &buf, *data_len); |
| } |
| else |
| { |
| fprintf(stderr, "Unsupported parameter 0x%x\n", reqptr->parameter); |
| rc = IPMI_CC_PARM_NOT_SUPPORTED; |
| } |
| |
| cleanup: |
| sd_bus_error_free(&error); |
| reply = sd_bus_message_unref(reply); |
| free(app); |
| |
| return rc; |
| } |
| |
| void register_netfn_transport_functions() |
| { |
| printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_TRANSPORT, IPMI_CMD_WILDCARD); |
| ipmi_register_callback(NETFUN_TRANSPORT, IPMI_CMD_WILDCARD, NULL, ipmi_transport_wildcard); |
| |
| printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_TRANSPORT, IPMI_CMD_SET_LAN); |
| ipmi_register_callback(NETFUN_TRANSPORT, IPMI_CMD_SET_LAN, NULL, ipmi_transport_set_lan); |
| |
| printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_TRANSPORT, IPMI_CMD_GET_LAN); |
| ipmi_register_callback(NETFUN_TRANSPORT, IPMI_CMD_GET_LAN, NULL, ipmi_transport_get_lan); |
| |
| return; |
| } |