mirror of
https://github.com/ipmitool/ipmitool.git
synced 2026-01-21 16:42:19 +08:00
use select() instead of alarm signal for receive timeout
This commit is contained in:
Duncan Laurie
parent
83a924d7ed
commit
ce3636894d
@ -41,7 +41,6 @@
|
||||
#include <errno.h>
|
||||
#include <unistd.h>
|
||||
#include <signal.h>
|
||||
#include <setjmp.h>
|
||||
#include <netdb.h>
|
||||
#include <fcntl.h>
|
||||
|
||||
@ -63,23 +62,29 @@
|
||||
#include "asf.h"
|
||||
#include "auth.h"
|
||||
|
||||
#define IPMI_LAN_TIMEOUT 2
|
||||
#define IPMI_LAN_RETRY 4
|
||||
#define IPMI_LAN_PORT 0x26f
|
||||
#define IPMI_LAN_CHANNEL_E 0x0e
|
||||
|
||||
extern const struct valstr ipmi_privlvl_vals[];
|
||||
extern const struct valstr ipmi_authtype_session_vals[];
|
||||
extern int verbose;
|
||||
|
||||
struct ipmi_rq_entry * ipmi_req_entries;
|
||||
static struct ipmi_rq_entry * ipmi_req_entries_tail;
|
||||
|
||||
extern int verbose;
|
||||
|
||||
static uint8_t bridgePossible = 0;
|
||||
|
||||
static sigjmp_buf jmpbuf;
|
||||
static uint8_t bridge_possible = 0;
|
||||
|
||||
static int ipmi_lan_send_packet(struct ipmi_intf * intf, uint8_t * data, int data_len);
|
||||
static struct ipmi_rs * ipmi_lan_recv_packet(struct ipmi_intf * intf);
|
||||
static struct ipmi_rs * ipmi_lan_poll_recv(struct ipmi_intf * intf);
|
||||
static int ipmi_lan_setup(struct ipmi_intf * intf);
|
||||
static int ipmi_lan_keepalive(struct ipmi_intf * intf);
|
||||
static struct ipmi_rs * ipmi_lan_send_cmd(struct ipmi_intf * intf, struct ipmi_rq * req);
|
||||
static int ipmi_lan_send_rsp(struct ipmi_intf * intf, struct ipmi_rs * rsp);
|
||||
static int ipmi_lan_open(struct ipmi_intf * intf);
|
||||
static void ipmi_lan_close(struct ipmi_intf * intf);
|
||||
static int ipmi_lan_ping(struct ipmi_intf * intf);
|
||||
|
||||
struct ipmi_intf ipmi_lan_intf = {
|
||||
name: "lan",
|
||||
@ -93,13 +98,6 @@ struct ipmi_intf ipmi_lan_intf = {
|
||||
target_addr: IPMI_BMC_SLAVE_ADDR,
|
||||
};
|
||||
|
||||
static void
|
||||
query_alarm(int signo)
|
||||
{
|
||||
siglongjmp(jmpbuf, 1);
|
||||
}
|
||||
|
||||
|
||||
static struct ipmi_rq_entry *
|
||||
ipmi_req_add_entry(struct ipmi_intf * intf, struct ipmi_rq * req)
|
||||
{
|
||||
@ -208,7 +206,8 @@ get_random(void *data, int len)
|
||||
return rv;
|
||||
}
|
||||
|
||||
int ipmi_lan_send_packet(struct ipmi_intf * intf, uint8_t * data, int data_len)
|
||||
static int
|
||||
ipmi_lan_send_packet(struct ipmi_intf * intf, uint8_t * data, int data_len)
|
||||
{
|
||||
if (verbose > 2)
|
||||
printbuf(data, data_len, "send_packet");
|
||||
@ -216,20 +215,26 @@ int ipmi_lan_send_packet(struct ipmi_intf * intf, uint8_t * data, int data_len)
|
||||
return send(intf->fd, data, data_len, 0);
|
||||
}
|
||||
|
||||
struct ipmi_rs * ipmi_lan_recv_packet(struct ipmi_intf * intf)
|
||||
static struct ipmi_rs *
|
||||
ipmi_lan_recv_packet(struct ipmi_intf * intf)
|
||||
{
|
||||
static struct ipmi_rs rsp;
|
||||
int rc;
|
||||
fd_set read_set, err_set;
|
||||
struct timeval tmout;
|
||||
int ret;
|
||||
|
||||
/* setup alarm timeout */
|
||||
if (sigsetjmp(jmpbuf, 1) != 0) {
|
||||
alarm(0);
|
||||
FD_ZERO(&read_set);
|
||||
FD_SET(intf->fd, &read_set);
|
||||
|
||||
FD_ZERO(&err_set);
|
||||
FD_SET(intf->fd, &err_set);
|
||||
|
||||
tmout.tv_sec = intf->session->timeout;
|
||||
tmout.tv_usec = 0;
|
||||
|
||||
ret = select(intf->fd + 1, &read_set, NULL, &err_set, &tmout);
|
||||
if (ret < 0 || FD_ISSET(intf->fd, &err_set) || !FD_ISSET(intf->fd, &read_set))
|
||||
return NULL;
|
||||
}
|
||||
|
||||
alarm(intf->session->timeout);
|
||||
rc = recv(intf->fd, &rsp.data, IPMI_BUF_SIZE, 0);
|
||||
alarm(0);
|
||||
|
||||
/* the first read may return ECONNREFUSED because the rmcp ping
|
||||
* packet--sent to UDP port 623--will be processed by both the
|
||||
@ -241,17 +246,31 @@ struct ipmi_rs * ipmi_lan_recv_packet(struct ipmi_intf * intf)
|
||||
* regardless of the order they were sent out. (unless the
|
||||
* response is read before the connection refused is returned)
|
||||
*/
|
||||
if (rc < 0) {
|
||||
alarm(intf->session->timeout);
|
||||
rc = recv(intf->fd, &rsp.data, IPMI_BUF_SIZE, 0);
|
||||
alarm(0);
|
||||
if (rc < 0) {
|
||||
perror("recv failed");
|
||||
return NULL;
|
||||
ret = recv(intf->fd, &rsp.data, IPMI_BUF_SIZE, 0);
|
||||
|
||||
if (ret < 0) {
|
||||
FD_ZERO(&read_set);
|
||||
FD_SET(intf->fd, &read_set);
|
||||
|
||||
FD_ZERO(&err_set);
|
||||
FD_SET(intf->fd, &err_set);
|
||||
|
||||
tmout.tv_sec = intf->session->timeout;
|
||||
tmout.tv_usec = 0;
|
||||
|
||||
ret = select(intf->fd + 1, &read_set, NULL, &err_set, &tmout);
|
||||
if (ret < 0) {
|
||||
if (FD_ISSET(intf->fd, &err_set) || !FD_ISSET(intf->fd, &read_set))
|
||||
return NULL;
|
||||
|
||||
ret = recv(intf->fd, &rsp.data, IPMI_BUF_SIZE, 0);
|
||||
if (ret < 0)
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
rsp.data[rc] = '\0';
|
||||
rsp.data_len = rc;
|
||||
|
||||
rsp.data[ret] = '\0';
|
||||
rsp.data_len = ret;
|
||||
|
||||
return &rsp;
|
||||
}
|
||||
@ -328,7 +347,7 @@ ipmi_handle_pong(struct ipmi_intf * intf, struct ipmi_rs * rsp)
|
||||
* asf.len = 0x00
|
||||
*
|
||||
*/
|
||||
int
|
||||
static int
|
||||
ipmi_lan_ping(struct ipmi_intf * intf)
|
||||
{
|
||||
struct asf_hdr asf_ping = {
|
||||
@ -375,7 +394,8 @@ ipmi_lan_ping(struct ipmi_intf * intf)
|
||||
* request message. This may kick-start some BMCs that get confused with
|
||||
* bad passwords or operate poorly under heavy network load.
|
||||
*/
|
||||
static void ipmi_lan_thump_first(struct ipmi_intf * intf)
|
||||
static void
|
||||
ipmi_lan_thump_first(struct ipmi_intf * intf)
|
||||
{
|
||||
/* is this random data? */
|
||||
uint8_t data[16] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
@ -383,7 +403,8 @@ static void ipmi_lan_thump_first(struct ipmi_intf * intf)
|
||||
ipmi_lan_send_packet(intf, data, 16);
|
||||
}
|
||||
|
||||
static void ipmi_lan_thump(struct ipmi_intf * intf)
|
||||
static void
|
||||
ipmi_lan_thump(struct ipmi_intf * intf)
|
||||
{
|
||||
uint8_t data[10] = "thump";
|
||||
ipmi_lan_send_packet(intf, data, 10);
|
||||
@ -396,10 +417,10 @@ ipmi_lan_poll_recv(struct ipmi_intf * intf)
|
||||
struct ipmi_rs * rsp;
|
||||
struct ipmi_rq_entry * entry;
|
||||
int x=0, rv;
|
||||
uint8_t ourAddress = intf->my_addr;
|
||||
uint8_t our_address = intf->my_addr;
|
||||
|
||||
if (ourAddress == 0)
|
||||
ourAddress = IPMI_BMC_SLAVE_ADDR;
|
||||
if (our_address == 0)
|
||||
our_address = IPMI_BMC_SLAVE_ADDR;
|
||||
|
||||
rsp = ipmi_lan_recv_packet(intf);
|
||||
|
||||
@ -441,7 +462,7 @@ ipmi_lan_poll_recv(struct ipmi_intf * intf)
|
||||
rsp->payload.ipmi_response.rs_addr = rsp->data[x++];
|
||||
rsp->payload.ipmi_response.rq_seq = rsp->data[x] >> 2;
|
||||
rsp->payload.ipmi_response.rs_lun = rsp->data[x++] & 0x3;
|
||||
rsp->payload.ipmi_response.cmd = rsp->data[x++];
|
||||
rsp->payload.ipmi_response.cmd = rsp->data[x++];
|
||||
rsp->ccode = rsp->data[x++];
|
||||
|
||||
if (verbose > 2)
|
||||
@ -454,7 +475,6 @@ ipmi_lan_poll_recv(struct ipmi_intf * intf)
|
||||
(long)rsp->session.seq);
|
||||
lprintf(LOG_DEBUG+1, "<< Session ID : 0x%08lx",
|
||||
(long)rsp->session.id);
|
||||
|
||||
lprintf(LOG_DEBUG+1, "<< IPMI Response Message Header");
|
||||
lprintf(LOG_DEBUG+1, "<< Rq Addr : %02x",
|
||||
rsp->payload.ipmi_response.rq_addr);
|
||||
@ -478,7 +498,7 @@ ipmi_lan_poll_recv(struct ipmi_intf * intf)
|
||||
rsp->payload.ipmi_response.cmd);
|
||||
if (entry) {
|
||||
lprintf(LOG_DEBUG+2, "IPMI Request Match found");
|
||||
if ((intf->target_addr != ourAddress) && bridgePossible) {
|
||||
if ((intf->target_addr != our_address) && bridge_possible) {
|
||||
if ((rsp->data_len) &&
|
||||
(rsp->payload.ipmi_response.cmd != 0x34)) {
|
||||
printbuf(&rsp->data[x], rsp->data_len-x,
|
||||
@ -564,11 +584,11 @@ ipmi_lan_build_cmd(struct ipmi_intf * intf, struct ipmi_rq * req)
|
||||
struct ipmi_rq_entry * entry;
|
||||
struct ipmi_session * s = intf->session;
|
||||
static int curr_seq = 0;
|
||||
uint8_t ourAddress = intf->my_addr;
|
||||
uint8_t bridgedRequest = 0;
|
||||
uint8_t our_address = intf->my_addr;
|
||||
uint8_t bridge_request = 0;
|
||||
|
||||
if (ourAddress == 0)
|
||||
ourAddress = IPMI_BMC_SLAVE_ADDR;
|
||||
if (our_address == 0)
|
||||
our_address = IPMI_BMC_SLAVE_ADDR;
|
||||
|
||||
if (curr_seq >= 64)
|
||||
curr_seq = 0;
|
||||
@ -609,12 +629,12 @@ ipmi_lan_build_cmd(struct ipmi_intf * intf, struct ipmi_rq * req)
|
||||
}
|
||||
|
||||
/* message length */
|
||||
if ((intf->target_addr == ourAddress) || !bridgePossible) {
|
||||
if ((intf->target_addr == our_address) || !bridge_possible) {
|
||||
msg[len++] = req->msg.data_len + 7;
|
||||
cs = mp = len;
|
||||
} else {
|
||||
/* bridged request: encapsulate w/in Send Message */
|
||||
bridgedRequest = 1;
|
||||
bridge_request = 1;
|
||||
msg[len++] = req->msg.data_len + 15;
|
||||
cs = mp = len;
|
||||
msg[len++] = IPMI_BMC_SLAVE_ADDR;
|
||||
@ -638,7 +658,7 @@ ipmi_lan_build_cmd(struct ipmi_intf * intf, struct ipmi_rq * req)
|
||||
msg[len++] = ipmi_csum(msg+cs, tmp);
|
||||
cs = len;
|
||||
|
||||
if (!bridgedRequest)
|
||||
if (!bridge_request)
|
||||
msg[len++] = IPMI_REMOTE_SWID;
|
||||
else /* Bridged message */
|
||||
msg[len++] = intf->my_addr;
|
||||
@ -672,7 +692,7 @@ ipmi_lan_build_cmd(struct ipmi_intf * intf, struct ipmi_rq * req)
|
||||
msg[len++] = ipmi_csum(msg+cs, tmp);
|
||||
|
||||
/* bridged request: 2nd checksum */
|
||||
if (bridgedRequest) {
|
||||
if (bridge_request) {
|
||||
tmp = len - cs2;
|
||||
msg[len++] = ipmi_csum(msg+cs2, tmp);
|
||||
}
|
||||
@ -707,7 +727,7 @@ ipmi_lan_build_cmd(struct ipmi_intf * intf, struct ipmi_rq * req)
|
||||
return entry;
|
||||
}
|
||||
|
||||
struct ipmi_rs *
|
||||
static struct ipmi_rs *
|
||||
ipmi_lan_send_cmd(struct ipmi_intf * intf, struct ipmi_rq * req)
|
||||
{
|
||||
struct ipmi_rq_entry * entry;
|
||||
@ -719,8 +739,7 @@ ipmi_lan_send_cmd(struct ipmi_intf * intf, struct ipmi_rq * req)
|
||||
|
||||
if (intf->opened == 0 && intf->open != NULL) {
|
||||
if (intf->open(intf) < 0) {
|
||||
lprintf(LOG_ERR,
|
||||
"ipmi_lan_send_cmd failed to open intf");
|
||||
lprintf(LOG_DEBUG, "Failed to open LAN interface");
|
||||
return NULL;
|
||||
}
|
||||
lprintf(LOG_DEBUG, "\topened=[%d], open=[%d]",
|
||||
@ -763,7 +782,8 @@ ipmi_lan_send_cmd(struct ipmi_intf * intf, struct ipmi_rq * req)
|
||||
return rsp;
|
||||
}
|
||||
|
||||
uint8_t * ipmi_lan_build_rsp(struct ipmi_intf * intf, struct ipmi_rs * rsp, int * llen)
|
||||
static uint8_t *
|
||||
ipmi_lan_build_rsp(struct ipmi_intf * intf, struct ipmi_rs * rsp, int * llen)
|
||||
{
|
||||
struct rmcp_hdr rmcp = {
|
||||
.ver = RMCP_VERSION_1,
|
||||
@ -848,17 +868,19 @@ uint8_t * ipmi_lan_build_rsp(struct ipmi_intf * intf, struct ipmi_rs * rsp, int
|
||||
d = ipmi_auth_md2(s, msg+mp, msg[mp-1]);
|
||||
memcpy(msg+ap, d, 16);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
*llen = len;
|
||||
return msg;
|
||||
}
|
||||
|
||||
int ipmi_lan_send_rsp(struct ipmi_intf * intf, struct ipmi_rs * rsp)
|
||||
static int
|
||||
ipmi_lan_send_rsp(struct ipmi_intf * intf, struct ipmi_rs * rsp)
|
||||
{
|
||||
uint8_t * msg;
|
||||
int len, rv;
|
||||
int len = 0;
|
||||
int rv;
|
||||
|
||||
msg = ipmi_lan_build_rsp(intf, rsp, &len);
|
||||
if (len <= 0 || msg == NULL) {
|
||||
@ -1069,7 +1091,7 @@ ipmi_get_session_challenge_cmd(struct ipmi_intf * intf)
|
||||
lprintf(LOG_DEBUG, "Opening Session");
|
||||
lprintf(LOG_DEBUG, " Session ID : %08lx", (long)s->session_id);
|
||||
lprintf(LOG_DEBUG, " Challenge : %s", buf2str(s->challenge, 16));
|
||||
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -1171,8 +1193,8 @@ ipmi_activate_session_cmd(struct ipmi_intf * intf)
|
||||
return -1;
|
||||
}
|
||||
|
||||
bridgePossible = 1;
|
||||
|
||||
bridge_possible = 1;
|
||||
|
||||
lprintf(LOG_DEBUG, "\nSession Activated");
|
||||
lprintf(LOG_DEBUG, " Auth Type : %s",
|
||||
val2str(rsp->data[0], ipmi_authtype_session_vals));
|
||||
@ -1194,7 +1216,7 @@ ipmi_set_session_privlvl_cmd(struct ipmi_intf * intf)
|
||||
struct ipmi_rs * rsp;
|
||||
struct ipmi_rq req;
|
||||
uint8_t privlvl = intf->session->privlvl;
|
||||
uint8_t backupBridgePossible = bridgePossible;
|
||||
uint8_t backup_bridge_possible = bridge_possible;
|
||||
|
||||
if (privlvl <= IPMI_SESSION_PRIV_USER)
|
||||
return 0; /* no need to set higher */
|
||||
@ -1205,12 +1227,10 @@ ipmi_set_session_privlvl_cmd(struct ipmi_intf * intf)
|
||||
req.msg.data = &privlvl;
|
||||
req.msg.data_len = 1;
|
||||
|
||||
bridgePossible = 0;
|
||||
|
||||
bridge_possible = 0;
|
||||
rsp = intf->sendrecv(intf, &req);
|
||||
|
||||
bridgePossible = backupBridgePossible;
|
||||
|
||||
bridge_possible = backup_bridge_possible;
|
||||
|
||||
if (rsp == NULL) {
|
||||
lprintf(LOG_ERR, "Set Session Privilege Level to %s failed",
|
||||
val2str(privlvl, ipmi_privlvl_vals));
|
||||
@ -1244,7 +1264,7 @@ ipmi_close_session_cmd(struct ipmi_intf * intf)
|
||||
return -1;
|
||||
|
||||
intf->target_addr = IPMI_BMC_SLAVE_ADDR;
|
||||
bridgePossible = 0; /* Not a bridge message */
|
||||
bridge_possible = 0; /* Not a bridge message */
|
||||
|
||||
memcpy(&msg_data, &session_id, 4);
|
||||
|
||||
@ -1340,7 +1360,8 @@ ipmi_lan_activate_session(struct ipmi_intf * intf)
|
||||
return -1;
|
||||
}
|
||||
|
||||
void ipmi_lan_close(struct ipmi_intf * intf)
|
||||
static void
|
||||
ipmi_lan_close(struct ipmi_intf * intf)
|
||||
{
|
||||
if (intf->abort == 0)
|
||||
ipmi_close_session_cmd(intf);
|
||||
@ -1359,10 +1380,10 @@ void ipmi_lan_close(struct ipmi_intf * intf)
|
||||
intf = NULL;
|
||||
}
|
||||
|
||||
int ipmi_lan_open(struct ipmi_intf * intf)
|
||||
static int
|
||||
ipmi_lan_open(struct ipmi_intf * intf)
|
||||
{
|
||||
int rc;
|
||||
struct sigaction act;
|
||||
struct ipmi_session *s;
|
||||
|
||||
if (intf == NULL || intf->session == NULL)
|
||||
@ -1420,16 +1441,6 @@ int ipmi_lan_open(struct ipmi_intf * intf)
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* setup alarm handler */
|
||||
act.sa_handler = query_alarm;
|
||||
act.sa_flags = 0;
|
||||
if (sigemptyset(&act.sa_mask) == 0 &&
|
||||
sigaction(SIGALRM, &act, NULL) < 0) {
|
||||
lperror(LOG_ERR, "Alarm signal setup failed");
|
||||
intf->close(intf);
|
||||
return -1;
|
||||
}
|
||||
|
||||
intf->opened = 1;
|
||||
|
||||
/* try to open session */
|
||||
@ -1443,7 +1454,8 @@ int ipmi_lan_open(struct ipmi_intf * intf)
|
||||
return intf->fd;
|
||||
}
|
||||
|
||||
static int ipmi_lan_setup(struct ipmi_intf * intf)
|
||||
static int
|
||||
ipmi_lan_setup(struct ipmi_intf * intf)
|
||||
{
|
||||
intf->session = malloc(sizeof(struct ipmi_session));
|
||||
if (intf->session == NULL) {
|
||||
|
||||
@ -36,22 +36,6 @@
|
||||
#include <ipmitool/ipmi.h>
|
||||
#include <ipmitool/ipmi_intf.h>
|
||||
|
||||
#define IPMI_LAN_CHANNEL_1 0x07
|
||||
#define IPMI_LAN_CHANNEL_2 0x06
|
||||
#define IPMI_LAN_CHANNEL_E 0x0e
|
||||
#define IPMI_LAN_PORT 0x26f
|
||||
|
||||
#define IPMI_LAN_TIMEOUT 2
|
||||
#define IPMI_LAN_RETRY 4
|
||||
|
||||
|
||||
struct ipmi_rs * ipmi_lan_send_cmd(struct ipmi_intf * intf, struct ipmi_rq * req);
|
||||
int ipmi_lan_send_rsp(struct ipmi_intf * intf, struct ipmi_rs * rsp);
|
||||
int ipmi_lan_open(struct ipmi_intf * intf);
|
||||
void ipmi_lan_close(struct ipmi_intf * intf);
|
||||
void ipmi_get_channel_info(struct ipmi_intf * intf, uint8_t channel);
|
||||
int ipmi_lan_ping(struct ipmi_intf * intf);
|
||||
|
||||
extern struct ipmi_intf ipmi_lan_intf;
|
||||
|
||||
#endif /*IPMI_LAN_H*/
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user