#include <poll.h>
#include <string.h>
#include <unistd.h>
+#include <arpa/inet.h>
#include <sys/ioctl.h>
#include <sys/time.h>
out:
lock.l_type = F_UNLCK;
- fcntl(ipmi->fd, F_SETLKW, &lock);
+ if (fcntl(ipmi->fd, F_SETLKW, &lock) == -1)
+ pb_log("IPMI: error unlocking IPMI device: %m\n");
return rc ? -1 : 0;
}
struct ipmi *ipmi;
int fd;
- fd = open(ipmi_devnode, O_RDWR);
+ fd = open(ipmi_devnode, O_RDWR | O_CLOEXEC);
if (fd < 0) {
pb_log("IPMI: can't open IPMI device %s: %m\n", ipmi_devnode);
return NULL;
return !access(ipmi_devnode, R_OK | W_OK);
}
+/* Reads and applies an IPMI interface config override, which closely follows
+ * the format of an interface config struct as described in lib/types */
+int parse_ipmi_interface_override(struct config *config, uint8_t *buf,
+ uint16_t len)
+{
+ struct interface_config *ifconf;
+ char *ipstr, *gatewaystr;
+ uint8_t hwsize, ipsize;
+ int addr_type, i = 0;
+ socklen_t addr_len;
+
+ /* Get 1-byte hardware address size and ip address size */
+ memcpy(&hwsize, &buf[i], sizeof(hwsize));
+ i += sizeof(hwsize);
+ memcpy(&ipsize, &buf[i], sizeof(ipsize));
+ i += sizeof(ipsize);
+
+ if (!hwsize || !ipsize) {
+ pb_log_fn("Empty response\n");
+ return -1;
+ }
+
+ /* At the moment only support 6-byte MAC addresses */
+ if (hwsize != sizeof(ifconf->hwaddr)) {
+ pb_log("Unsupported HW address size in network override: %u\n",
+ hwsize);
+ return -1;
+ }
+
+ /* Sanity check the IP address size */
+ if (ipsize == 4) {
+ addr_type = AF_INET;
+ addr_len = INET_ADDRSTRLEN;
+ } else if (ipsize == 16) {
+ addr_type = AF_INET6;
+ addr_len = INET6_ADDRSTRLEN;
+ } else {
+ pb_log("Unsupported IP address size: %u\n", ipsize);
+ return -1;
+ }
+
+ /* Everything past here is the interface config */
+ ifconf = talloc_zero(config, struct interface_config);
+ if (!ifconf) {
+ pb_log("Failed to allocate network override\n");
+ return -1;
+ }
+
+ /* Hardware Address */
+ memcpy(ifconf->hwaddr, &buf[i], hwsize);
+ i += hwsize;
+
+ /* Check 1-byte ignore and method flags */
+ ifconf->ignore = !!buf[i++];
+ ifconf->method = !!buf[i++];
+
+ if (ifconf->method == CONFIG_METHOD_STATIC) {
+ if (ipsize + ipsize + 1 > len - i) {
+ pb_log("Expected data greater than buffer size\n");
+ talloc_free(ifconf);
+ return -1;
+ }
+
+ /* IP address */
+ ipstr = talloc_array(ifconf, char, addr_len);
+ if (!inet_ntop(addr_type, &buf[i], ipstr, addr_len)) {
+ pb_log("Failed to convert ipaddr: %m\n");
+ talloc_free(ifconf);
+ return -1;
+ }
+ i += ipsize;
+
+ /* IP address subnet */
+ ifconf->static_config.address = talloc_asprintf(ifconf,
+ "%s/%u", ipstr, buf[i]);
+ i++;
+
+ /* Gateway address */
+ gatewaystr = talloc_array(ifconf, char, addr_len);
+ if (!inet_ntop(addr_type, &buf[i], gatewaystr, addr_len)) {
+ pb_log("Failed to convert gateway: %m\n");
+ talloc_free(ifconf);
+ return -1;
+ }
+ ifconf->static_config.gateway = gatewaystr;
+ i += ipsize;
+ }
+
+ ifconf->override = true;
+ pb_log("Applying IPMI network interface override\n");
+
+ /* Replace any existing interface config */
+ talloc_free(config->network.interfaces);
+ config->network.n_interfaces = 1;
+ config->network.interfaces = talloc(config, struct interface_config *);
+ config->network.interfaces[0] = ifconf;
+
+ return 0;
+}
+
+void ipmi_get_bmc_mac(struct ipmi *ipmi, uint8_t *buf)
+{
+ uint16_t resp_len = 8;
+ uint8_t resp[8];
+ uint8_t req[] = { 0x1, 0x5, 0x0, 0x0 };
+ char *debug_buf;
+ int i, rc;
+
+ rc = ipmi_transaction(ipmi, IPMI_NETFN_TRANSPORT,
+ IPMI_CMD_TRANSPORT_GET_LAN_PARAMS,
+ req, sizeof(req),
+ resp, &resp_len,
+ ipmi_timeout);
+
+ debug_buf = format_buffer(ipmi, resp, resp_len);
+ pb_debug_fn("BMC MAC resp [%d][%d]:\n%s\n",
+ rc, resp_len, debug_buf);
+ talloc_free(debug_buf);
+
+ if (rc == 0 && resp_len > 0) {
+ for (i = 2; i < resp_len; i++) {
+ buf[i - 2] = resp[i];
+ }
+ }
+
+}
+
+/*
+ * Retrieve info from the "Get Device ID" IPMI commands.
+ * See Chapter 20.1 in the IPMIv2 specification.
+ */
+void ipmi_get_bmc_versions(struct ipmi *ipmi, struct system_info *info)
+{
+ uint16_t resp_len = 16;
+ uint8_t resp[16], bcd;
+ char *debug_buf;
+ int rc;
+
+ /* Retrieve info from current side */
+ rc = ipmi_transaction(ipmi, IPMI_NETFN_APP,
+ IPMI_CMD_APP_GET_DEVICE_ID,
+ NULL, 0,
+ resp, &resp_len,
+ ipmi_timeout);
+
+ debug_buf = format_buffer(ipmi, resp, resp_len);
+ pb_debug_fn("BMC version resp [%d][%d]:\n%s\n",
+ rc, resp_len, debug_buf);
+ talloc_free(debug_buf);
+
+ if (rc == 0 && (resp_len == 12 || resp_len == 16)) {
+ info->bmc_current = talloc_array(info, char *, 4);
+ info->n_bmc_current = 4;
+
+ info->bmc_current[0] = talloc_asprintf(info, "Device ID: 0x%x",
+ resp[1]);
+ info->bmc_current[1] = talloc_asprintf(info, "Device Rev: 0x%x",
+ resp[2]);
+ bcd = resp[4] & 0x0f;
+ bcd += 10 * (resp[4] >> 4);
+ /* rev1.rev2.aux_revision */
+ info->bmc_current[2] = talloc_asprintf(info,
+ "Firmware version: %u.%02u",
+ resp[3], bcd);
+ if (resp_len == 16) {
+ info->bmc_current[2] = talloc_asprintf_append(
+ info->bmc_current[2],
+ ".%02x%02x%02x%02x",
+ resp[12], resp[13], resp[14], resp[15]);
+ }
+ bcd = resp[5] & 0x0f;
+ bcd += 10 * (resp[5] >> 4);
+ info->bmc_current[3] = talloc_asprintf(info, "IPMI version: %u",
+ bcd);
+ } else
+ pb_debug_fn("Failed to retrieve Device ID from IPMI\n");
+
+ /* Retrieve info from golden side */
+ memset(resp, 0, sizeof(resp));
+ resp_len = 16;
+ rc = ipmi_transaction(ipmi, IPMI_NETFN_AMI,
+ IPMI_CMD_APP_GET_DEVICE_ID_GOLDEN,
+ NULL, 0,
+ resp, &resp_len,
+ ipmi_timeout);
+
+ debug_buf = format_buffer(ipmi, resp, resp_len);
+ pb_debug_fn("BMC golden resp [%d][%d]:\n%s\n",
+ rc, resp_len, debug_buf);
+ talloc_free(debug_buf);
+
+ if (rc == 0 && (resp_len == 12 || resp_len == 16)) {
+ info->bmc_golden = talloc_array(info, char *, 4);
+ info->n_bmc_golden = 4;
+
+ info->bmc_golden[0] = talloc_asprintf(info, "Device ID: 0x%x",
+ resp[1]);
+ info->bmc_golden[1] = talloc_asprintf(info, "Device Rev: 0x%x",
+ resp[2]);
+ bcd = resp[4] & 0x0f;
+ bcd += 10 * (resp[4] >> 4);
+ /* rev1.rev2.aux_revision */
+ info->bmc_golden[2] = talloc_asprintf(info,
+ "Firmware version: %u.%02u",
+ resp[3], bcd);
+ if (resp_len == 16) {
+ info->bmc_golden[2] = talloc_asprintf_append(
+ info->bmc_golden[2],
+ ".%02x%02x%02x%02x",
+ resp[12], resp[13], resp[14], resp[15]);
+ }
+ bcd = resp[5] & 0x0f;
+ bcd += 10 * (resp[5] >> 4);
+ info->bmc_golden[3] = talloc_asprintf(info, "IPMI version: %u",
+ bcd);
+ } else
+ pb_debug_fn("Failed to retrieve Golden Device ID from IPMI\n");
+}
+
projects / petitboot / blobdiff