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-rw-r--r--lib/ipmi_tsol.c608
1 files changed, 608 insertions, 0 deletions
diff --git a/lib/ipmi_tsol.c b/lib/ipmi_tsol.c
new file mode 100644
index 0000000..94ea284
--- /dev/null
+++ b/lib/ipmi_tsol.c
@@ -0,0 +1,608 @@
+/*
+ * Copyright (c) 2005 Tyan Computer Corp. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind.
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
+ * SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
+ * FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
+ * OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL
+ * SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
+ * OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
+ * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
+ * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
+ * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/poll.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <signal.h>
+
+#include <sys/select.h>
+#include <sys/time.h>
+#include <sys/ioctl.h>
+
+#if defined(HAVE_CONFIG_H)
+# include <config.h>
+#endif
+
+#if defined(HAVE_TERMIOS_H)
+# include <termios.h>
+#elif defined (HAVE_SYS_TERMIOS_H)
+# include <sys/termios.h>
+#endif
+
+#include <ipmitool/log.h>
+#include <ipmitool/helper.h>
+#include <ipmitool/ipmi.h>
+#include <ipmitool/ipmi_intf.h>
+#include <ipmitool/ipmi_tsol.h>
+#include <ipmitool/ipmi_strings.h>
+#include <ipmitool/bswap.h>
+
+static struct timeval _start_keepalive;
+static struct termios _saved_tio;
+static struct winsize _saved_winsize;
+static int _in_raw_mode = 0;
+static int _altterm = 0;
+
+extern int verbose;
+
+static int
+ipmi_tsol_command(struct ipmi_intf * intf, char *recvip, int port, unsigned char cmd)
+{
+ struct ipmi_rs *rsp;
+ struct ipmi_rq req;
+ unsigned char data[6];
+ unsigned ip1, ip2, ip3, ip4;
+
+ if (sscanf(recvip, "%d.%d.%d.%d", &ip1, &ip2, &ip3, &ip4) != 4) {
+ lprintf(LOG_ERR, "Invalid IP address: %s", recvip);
+ return -1;
+ }
+
+ memset(&req, 0, sizeof(struct ipmi_rq));
+ req.msg.netfn = IPMI_NETFN_TSOL;
+ req.msg.cmd = cmd;
+ req.msg.data_len = 6;
+ req.msg.data = data;
+
+ memset(data, 0, sizeof(data));
+ data[0] = ip1;
+ data[1] = ip2;
+ data[2] = ip3;
+ data[3] = ip4;
+ data[4] = (port & 0xff00) >> 8;
+ data[5] = (port & 0xff);
+
+ rsp = intf->sendrecv(intf, &req);
+ if (rsp == NULL) {
+ lprintf(LOG_ERR, "Unable to perform TSOL command");
+ return -1;
+ }
+ if (rsp->ccode > 0) {
+ lprintf(LOG_ERR, "Unable to perform TSOL command: %s",
+ val2str(rsp->ccode, completion_code_vals));
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+ipmi_tsol_start(struct ipmi_intf * intf, char *recvip, int port)
+{
+ return ipmi_tsol_command(intf, recvip, port, IPMI_TSOL_CMD_START);
+}
+
+static int
+ipmi_tsol_stop(struct ipmi_intf * intf, char *recvip, int port)
+{
+ return ipmi_tsol_command(intf, recvip, port, IPMI_TSOL_CMD_STOP);
+}
+
+static int
+ipmi_tsol_send_keystroke(struct ipmi_intf * intf, char *buff, int length)
+{
+ struct ipmi_rs * rsp;
+ struct ipmi_rq req;
+ unsigned char data[16];
+ static unsigned char keyseq = 0;
+
+ memset(&req, 0, sizeof(struct ipmi_rq));
+ req.msg.netfn = IPMI_NETFN_TSOL;
+ req.msg.cmd = IPMI_TSOL_CMD_SENDKEY;
+ req.msg.data_len = length + 2;
+ req.msg.data = data;
+
+ memset(data, 0, sizeof(data));
+ data[0] = length + 1;
+ memcpy(data + 1, buff, length);
+ data[length + 1] = keyseq++;
+
+ rsp = intf->sendrecv(intf, &req);
+ if (verbose) {
+ if (rsp == NULL) {
+ lprintf(LOG_ERR, "Unable to send keystroke");
+ return -1;
+ }
+ if (rsp->ccode > 0) {
+ lprintf(LOG_ERR, "Unable to send keystroke: %s",
+ val2str(rsp->ccode, completion_code_vals));
+ return -1;
+ }
+ }
+
+ return length;
+}
+
+static int
+tsol_keepalive(struct ipmi_intf * intf)
+{
+ struct timeval end;
+
+ gettimeofday(&end, 0);
+
+ if (end.tv_sec - _start_keepalive.tv_sec <= 30)
+ return 0;
+
+ intf->keepalive(intf);
+
+ gettimeofday(&_start_keepalive, 0);
+
+ return 0;
+}
+
+static void
+print_escape_seq(struct ipmi_intf *intf)
+{
+ lprintf(LOG_NOTICE,
+ " %c. - terminate connection\n"
+ " %c^Z - suspend ipmitool\n"
+ " %c^X - suspend ipmitool, but don't restore tty on restart\n"
+ " %c? - this message\n"
+ " %c%c - send the escape character by typing it twice\n"
+ " (Note that escapes are only recognized immediately after newline.)",
+ intf->session->sol_escape_char,
+ intf->session->sol_escape_char,
+ intf->session->sol_escape_char,
+ intf->session->sol_escape_char,
+ intf->session->sol_escape_char,
+ intf->session->sol_escape_char);
+}
+
+static int
+leave_raw_mode(void)
+{
+ if (!_in_raw_mode)
+ return -1;
+ else if (tcsetattr(fileno(stdin), TCSADRAIN, &_saved_tio) == -1)
+ lperror(LOG_ERR, "tcsetattr(stdin)");
+ else if (tcsetattr(fileno(stdout), TCSADRAIN, &_saved_tio) == -1)
+ lperror(LOG_ERR, "tcsetattr(stdout)");
+ else
+ _in_raw_mode = 0;
+
+ return 0;
+}
+
+static int
+enter_raw_mode(void)
+{
+ struct termios tio;
+
+ if (tcgetattr(fileno(stdout), &_saved_tio) < 0) {
+ lperror(LOG_ERR, "tcgetattr failed");
+ return -1;
+ }
+
+ tio = _saved_tio;
+
+ if (_altterm) {
+ tio.c_iflag &= (ISTRIP | IGNBRK );
+ tio.c_cflag &= ~(CSIZE | PARENB | IXON | IXOFF | IXANY);
+ tio.c_cflag |= (CS8 |CREAD) | (IXON|IXOFF|IXANY);
+ tio.c_lflag &= 0;
+ tio.c_cc[VMIN] = 1;
+ tio.c_cc[VTIME] = 0;
+ } else {
+ tio.c_iflag |= IGNPAR;
+ tio.c_iflag &= ~(ISTRIP | INLCR | IGNCR | ICRNL | IXON | IXANY | IXOFF);
+ tio.c_lflag &= ~(ISIG | ICANON | ECHO | ECHOE | ECHOK | ECHONL | IEXTEN);
+ tio.c_oflag &= ~OPOST;
+ tio.c_cc[VMIN] = 1;
+ tio.c_cc[VTIME] = 0;
+ }
+
+ if (tcsetattr(fileno(stdin), TCSADRAIN, &tio) < 0)
+ lperror(LOG_ERR, "tcsetattr(stdin)");
+ else if (tcsetattr(fileno(stdout), TCSADRAIN, &tio) < 0)
+ lperror(LOG_ERR, "tcsetattr(stdout)");
+ else
+ _in_raw_mode = 1;
+
+ return 0;
+}
+
+static void
+suspend_self(int restore_tty)
+{
+ leave_raw_mode();
+
+ kill(getpid(), SIGTSTP);
+
+ if (restore_tty)
+ enter_raw_mode();
+}
+
+static int
+do_inbuf_actions(struct ipmi_intf *intf, char *in_buff, int len)
+{
+ static int in_esc = 0;
+ static int last_was_cr = 1;
+ int i;
+
+ for(i = 0; i < len ;) {
+ if (!in_esc) {
+ if (last_was_cr &&
+ (in_buff[i] == intf->session->sol_escape_char)) {
+ in_esc = 1;
+ memmove(in_buff, in_buff + 1, len - i - 1);
+ len--;
+ continue;
+ }
+ }
+ if (in_esc) {
+ if (in_buff[i] == intf->session->sol_escape_char) {
+ in_esc = 0;
+ i++;
+ continue;
+ }
+
+ switch (in_buff[i]) {
+ case '.':
+ printf("%c. [terminated ipmitool]\n",
+ intf->session->sol_escape_char);
+ return -1;
+
+ case 'Z' - 64:
+ printf("%c^Z [suspend ipmitool]\n",
+ intf->session->sol_escape_char);
+ suspend_self(1); /* Restore tty back to raw */
+ break;
+
+ case 'X' - 64:
+ printf("%c^X [suspend ipmitool]\n",
+ intf->session->sol_escape_char);
+ suspend_self(0); /* Don't restore to raw mode */
+ break;
+
+ case '?':
+ printf("%c? [ipmitool help]\n",
+ intf->session->sol_escape_char);
+ print_escape_seq(intf);
+ break;
+ }
+
+ memmove(in_buff, in_buff + 1, len - i - 1);
+ len--;
+ in_esc = 0;
+
+ continue;
+ }
+
+ last_was_cr = (in_buff[i] == '\r' || in_buff[i] == '\n');
+
+ i++;
+ }
+
+ return len;
+}
+
+
+static void
+do_terminal_cleanup(void)
+{
+ if (_saved_winsize.ws_row > 0 && _saved_winsize.ws_col > 0)
+ ioctl(fileno(stdout), TIOCSWINSZ, &_saved_winsize);
+
+ leave_raw_mode();
+
+ if (errno)
+ lprintf(LOG_ERR, "Exiting due to error %d -> %s",
+ errno, strerror(errno));
+}
+
+static void
+set_terminal_size(int rows, int cols)
+{
+ struct winsize winsize;
+
+ if (rows <= 0 || cols <= 0)
+ return;
+
+ /* save initial winsize */
+ ioctl(fileno(stdout), TIOCGWINSZ, &_saved_winsize);
+
+ /* set new winsize */
+ winsize.ws_row = rows;
+ winsize.ws_col = cols;
+ ioctl(fileno(stdout), TIOCSWINSZ, &winsize);
+}
+
+static void
+print_tsol_usage(void)
+{
+ struct winsize winsize;
+
+ lprintf(LOG_NOTICE, "Usage: tsol [recvip] [port=NUM] [ro|rw] [rows=NUM] [cols=NUM] [altterm]");
+ lprintf(LOG_NOTICE, " recvip Receiver IP Address [default=local]");
+ lprintf(LOG_NOTICE, " port=NUM Receiver UDP Port [default=%d]",
+ IPMI_TSOL_DEF_PORT);
+ lprintf(LOG_NOTICE, " ro|rw Set Read-Only or Read-Write [default=rw]");
+
+ ioctl(fileno(stdout), TIOCGWINSZ, &winsize);
+ lprintf(LOG_NOTICE, " rows=NUM Set terminal rows [default=%d]",
+ winsize.ws_row);
+ lprintf(LOG_NOTICE, " cols=NUM Set terminal columns [default=%d]",
+ winsize.ws_col);
+
+ lprintf(LOG_NOTICE, " altterm Alternate terminal setup [default=off]");
+}
+
+int
+ipmi_tsol_main(struct ipmi_intf * intf, int argc, char ** argv)
+{
+ struct pollfd fds_wait[3], fds_data_wait[3], *fds;
+ struct sockaddr_in sin, myaddr, *sa_in;
+ socklen_t mylen;
+ char *recvip = NULL;
+ char out_buff[IPMI_BUF_SIZE * 8], in_buff[IPMI_BUF_SIZE];
+ char buff[IPMI_BUF_SIZE + 4];
+ int fd_socket, result, i;
+ int out_buff_fill, in_buff_fill;
+ int ip1, ip2, ip3, ip4;
+ int read_only = 0, rows = 0, cols = 0;
+ int port = IPMI_TSOL_DEF_PORT;
+
+ if (strlen(intf->name) < 3 || strncmp(intf->name, "lan", 3) != 0) {
+ lprintf(LOG_ERR, "Error: Tyan SOL is only available over lan interface");
+ return -1;
+ }
+
+ for (i = 0; i<argc; i++) {
+ if (sscanf(argv[i], "%d.%d.%d.%d", &ip1, &ip2, &ip3, &ip4) == 4) {
+ /* not free'd ...*/
+ /* recvip = strdup(argv[i]); */
+ recvip = argv[i];
+ }
+ else if (sscanf(argv[i], "port=%d", &ip1) == 1)
+ port = ip1;
+ else if (sscanf(argv[i], "rows=%d", &ip1) == 1)
+ rows = ip1;
+ else if (sscanf(argv[i], "cols=%d", &ip1) == 1)
+ cols = ip1;
+ else if (strlen(argv[i]) == 2 && strncmp(argv[i], "ro", 2) == 0)
+ read_only = 1;
+ else if (strlen(argv[i]) == 2 && strncmp(argv[i], "rw", 2) == 0)
+ read_only = 0;
+ else if (strlen(argv[i]) == 7 && strncmp(argv[i], "altterm", 7) == 0)
+ _altterm = 1;
+ else if (strlen(argv[i]) == 4 && strncmp(argv[i], "help", 4) == 0) {
+ print_tsol_usage();
+ return 0;
+ }
+ else {
+ print_tsol_usage();
+ return 0;
+ }
+ }
+
+ /* create udp socket to receive the packet */
+ memset(&sin, 0, sizeof(sin));
+ sin.sin_family = AF_INET;
+ sin.sin_port = htons(port);
+
+ sa_in = (struct sockaddr_in *)&intf->session->addr;
+ result = inet_pton(AF_INET, (const char *)intf->session->hostname,
+ &sa_in->sin_addr);
+
+ if (result <= 0) {
+ struct hostent *host = gethostbyname((const char *)intf->session->hostname);
+ if (host == NULL ) {
+ lprintf(LOG_ERR, "Address lookup for %s failed",
+ intf->session->hostname);
+ return -1;
+ }
+ if (host->h_addrtype != AF_INET) {
+ lprintf(LOG_ERR,
+ "Address lookup for %s failed. Got %s, expected IPv4 address.",
+ intf->session->hostname,
+ (host->h_addrtype == AF_INET6) ? "IPv6" : "Unknown");
+ return (-1);
+ }
+ sa_in->sin_family = host->h_addrtype;
+ memcpy(&sa_in->sin_addr, host->h_addr, host->h_length);
+ }
+
+ fd_socket = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
+ if (fd_socket < 0) {
+ lprintf(LOG_ERR, "Can't open port %d", port);
+ return -1;
+ }
+ if (-1 == bind(fd_socket, (struct sockaddr *)&sin, sizeof(sin))) {
+ lprintf(LOG_ERR, "Failed to bind socket.");
+ close(fd_socket);
+ return -1;
+ }
+
+ /*
+ * retrieve local IP address if not supplied on command line
+ */
+ if (recvip == NULL) {
+ result = intf->open(intf); /* must connect first */
+ if (result < 0) {
+ close(fd_socket);
+ return -1;
+ }
+
+ mylen = sizeof(myaddr);
+ if (getsockname(intf->fd, (struct sockaddr *)&myaddr, &mylen) < 0) {
+ lperror(LOG_ERR, "getsockname failed");
+ close(fd_socket);
+ return -1;
+ }
+
+ recvip = inet_ntoa(myaddr.sin_addr);
+ if (recvip == NULL) {
+ lprintf(LOG_ERR, "Unable to find local IP address");
+ close(fd_socket);
+ return -1;
+ }
+ }
+
+ printf("[Starting %sSOL with receiving address %s:%d]\n",
+ read_only ? "Read-only " : "", recvip, port);
+
+ set_terminal_size(rows, cols);
+ enter_raw_mode();
+
+ /*
+ * talk to smdc to start Console redirect - IP address and port as parameter
+ * ipmitool -I lan -H 192.168.168.227 -U Administrator raw 0x30 0x06 0xC0 0xA8 0xA8 0x78 0x1A 0x0A
+ */
+ result = ipmi_tsol_start(intf, recvip, port);
+ if (result < 0) {
+ lprintf(LOG_ERR, "Error starting SOL");
+ close(fd_socket);
+ return -1;
+ }
+
+ printf("[SOL Session operational. Use %c? for help]\n",
+ intf->session->sol_escape_char);
+
+ gettimeofday(&_start_keepalive, 0);
+
+ fds_wait[0].fd = fd_socket;
+ fds_wait[0].events = POLLIN;
+ fds_wait[0].revents = 0;
+ fds_wait[1].fd = fileno(stdin);
+ fds_wait[1].events = POLLIN;
+ fds_wait[1].revents = 0;
+ fds_wait[2].fd = -1;
+ fds_wait[2].events = 0;
+ fds_wait[2].revents = 0;
+
+ fds_data_wait[0].fd = fd_socket;
+ fds_data_wait[0].events = POLLIN | POLLOUT;
+ fds_data_wait[0].revents = 0;
+ fds_data_wait[1].fd = fileno(stdin);
+ fds_data_wait[1].events = POLLIN;
+ fds_data_wait[1].revents = 0;
+ fds_data_wait[2].fd = fileno(stdout);
+ fds_data_wait[2].events = POLLOUT;
+ fds_data_wait[2].revents = 0;
+
+ out_buff_fill = 0;
+ in_buff_fill = 0;
+ fds = fds_wait;
+
+ for (;;) {
+ result = poll(fds, 3, 15*1000);
+ if (result < 0)
+ break;
+
+ /* send keepalive packet */
+ tsol_keepalive(intf);
+
+ if ((fds[0].revents & POLLIN) && (sizeof(out_buff) > out_buff_fill)){
+ socklen_t sin_len = sizeof(sin);
+ result = recvfrom(fd_socket, buff, sizeof(out_buff) - out_buff_fill + 4, 0,
+ (struct sockaddr *)&sin, &sin_len);
+
+ /* read the data from udp socket, skip some bytes in the head */
+ if((result - 4) > 0 ){
+ int length = result - 4;
+#if 1
+ length = (unsigned char)buff[2] & 0xff;
+ length *= 256;
+ length += ((unsigned char)buff[3] & 0xff);
+ if ((length <= 0) || (length > (result - 4)))
+ length = result - 4;
+#endif
+ memcpy(out_buff + out_buff_fill, buff + 4, length);
+ out_buff_fill += length;
+ }
+ }
+ if ((fds[1].revents & POLLIN) && (sizeof(in_buff) > in_buff_fill)) {
+ result = read(fileno(stdin), in_buff + in_buff_fill,
+ sizeof(in_buff) - in_buff_fill); // read from keyboard
+ if (result > 0) {
+ int bytes;
+ bytes = do_inbuf_actions(intf, in_buff + in_buff_fill, result);
+ if(bytes < 0) {
+ result = ipmi_tsol_stop(intf, recvip, port);
+ do_terminal_cleanup();
+ return result;
+ }
+ if (read_only)
+ bytes = 0;
+ in_buff_fill += bytes;
+ }
+ }
+ if ((fds[2].revents & POLLOUT) && out_buff_fill) {
+ result = write(fileno(stdout), out_buff, out_buff_fill); // to screen
+ if (result > 0) {
+ out_buff_fill -= result;
+ if (out_buff_fill) {
+ memmove(out_buff, out_buff + result, out_buff_fill);
+ }
+ }
+ }
+ if ((fds[0].revents & POLLOUT) && in_buff_fill) {
+ /*
+ * translate key and send that to SMDC using IPMI
+ * ipmitool -I lan -H 192.168.168.227 -U Administrator raw 0x30 0x03 0x04 0x1B 0x5B 0x43
+ */
+ result = ipmi_tsol_send_keystroke(intf, in_buff, __min(in_buff_fill,14));
+ if (result > 0) {
+ gettimeofday(&_start_keepalive, 0);
+ in_buff_fill -= result;
+ if (in_buff_fill) {
+ memmove(in_buff, in_buff + result, in_buff_fill);
+ }
+ }
+ }
+ fds = (in_buff_fill || out_buff_fill )?
+ fds_data_wait : fds_wait;
+ }
+
+ return 0;
+}
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