void snd_efw_stream_stop_duplex(struct snd_efw *efw)
{
struct amdtp_stream *master, *slave;
atomic_t *master_substreams, *slave_substreams;
if (efw->master == &efw->rx_stream) {
slave = &efw->tx_stream;
master = &efw->rx_stream;
slave_substreams = &efw->capture_substreams;
master_substreams = &efw->playback_substreams;
} else {
slave = &efw->rx_stream;
master = &efw->tx_stream;
slave_substreams = &efw->playback_substreams;
master_substreams = &efw->capture_substreams;
}
mutex_lock(&efw->mutex);
if (atomic_read(slave_substreams) == 0) {
stop_stream(efw, slave);
if (atomic_read(master_substreams) == 0)
stop_stream(efw, master);
}
mutex_unlock(&efw->mutex);
}
void snd_efw_stream_update_duplex(struct snd_efw *efw)
{
if ((cmp_connection_update(&efw->out_conn) < 0) ||
(cmp_connection_update(&efw->in_conn) < 0)) {
mutex_lock(&efw->mutex);
stop_stream(efw, &efw->rx_stream);
stop_stream(efw, &efw->tx_stream);
mutex_unlock(&efw->mutex);
} else {
amdtp_stream_update(&efw->rx_stream);
amdtp_stream_update(&efw->tx_stream);
}
}
void snd_oxfw_stream_destroy_simplex(struct snd_oxfw *oxfw)
{
stop_stream(oxfw);
amdtp_stream_destroy(&oxfw->rx_stream);
cmp_connection_destroy(&oxfw->in_conn);
}
void snd_oxfw_stream_update_simplex(struct snd_oxfw *oxfw)
{
if (cmp_connection_update(&oxfw->in_conn) < 0)
stop_stream(oxfw);
else
amdtp_stream_update(&oxfw->rx_stream);
}
static int
start_stream(struct snd_efw *efw, struct amdtp_stream *stream,
unsigned int sampling_rate)
{
struct cmp_connection *conn;
unsigned int mode, pcm_channels, midi_ports;
int err;
err = snd_efw_get_multiplier_mode(sampling_rate, &mode);
if (err < 0)
goto end;
if (stream == &efw->tx_stream) {
conn = &efw->out_conn;
pcm_channels = efw->pcm_capture_channels[mode];
midi_ports = efw->midi_out_ports;
} else {
conn = &efw->in_conn;
pcm_channels = efw->pcm_playback_channels[mode];
midi_ports = efw->midi_in_ports;
}
amdtp_stream_set_parameters(stream, sampling_rate,
pcm_channels, midi_ports);
/* establish connection via CMP */
err = cmp_connection_establish(conn,
amdtp_stream_get_max_payload(stream));
if (err < 0)
goto end;
/* start amdtp stream */
err = amdtp_stream_start(stream,
conn->resources.channel,
conn->speed);
if (err < 0) {
stop_stream(efw, stream);
goto end;
}
/* wait first callback */
if (!amdtp_stream_wait_callback(stream, CALLBACK_TIMEOUT)) {
stop_stream(efw, stream);
err = -ETIMEDOUT;
}
end:
return err;
}
void snd_oxfw_stream_stop_simplex(struct snd_oxfw *oxfw,
struct amdtp_stream *stream)
{
if (((stream == &oxfw->tx_stream) && (oxfw->capture_substreams > 0)) ||
((stream == &oxfw->rx_stream) && (oxfw->playback_substreams > 0)))
return;
stop_stream(oxfw, stream);
}
static void
destroy_stream(struct snd_efw *efw, struct amdtp_stream *stream)
{
stop_stream(efw, stream);
amdtp_stream_destroy(stream);
if (stream == &efw->tx_stream)
cmp_connection_destroy(&efw->out_conn);
else
cmp_connection_destroy(&efw->in_conn);
}
void irq_handler(int irq, void *dev_id, struct pt_regs *regs) {
PDEBUG("IRQ %i: got event\n", irq);
if(jiffies - tmp_jiffie > HZ) {
tmp_jiffie = jiffies;
if(atomic_read(&irq_atomic_var_stream) == 0) {
start_stream();
} else {
stop_stream();
}
}
}
int snd_oxfw_stream_start_simplex(struct snd_oxfw *oxfw)
{
int err = 0;
if (amdtp_streaming_error(&oxfw->rx_stream))
stop_stream(oxfw);
if (amdtp_stream_running(&oxfw->rx_stream))
goto end;
err = cmp_connection_establish(&oxfw->in_conn,
amdtp_stream_get_max_payload(&oxfw->rx_stream));
if (err < 0)
goto end;
err = amdtp_stream_start(&oxfw->rx_stream,
oxfw->in_conn.resources.channel,
oxfw->in_conn.speed);
if (err < 0)
stop_stream(oxfw);
end:
return err;
}
void snd_oxfw_stream_update_simplex(struct snd_oxfw *oxfw,
struct amdtp_stream *stream)
{
struct cmp_connection *conn;
if (stream == &oxfw->tx_stream)
conn = &oxfw->out_conn;
else
conn = &oxfw->in_conn;
if (cmp_connection_update(conn) < 0)
stop_stream(oxfw, stream);
else
amdtp_stream_update(stream);
}
static int start_stream(enum cg2900_audio_endpoint_id ep1,
enum cg2900_audio_endpoint_id ep2)
{
LOG_I("Enter.");
int error = 0;
unsigned int data[2];
unsigned char *buf;
size_t len;
ssize_t r;
if (stream_handle != 0xffffffff) {
LOG_I("Tear down old stream.");
/* tear down old stream first */
stop_stream();
}
len = 4 + sizeof(ep1) + sizeof(ep2);
buf = (unsigned char *)malloc(len);
if (!buf) {
LOG_E("Error: Out of memory!");
return -1;
}
memset(buf, 0, len);
buf[0] = CHAR_DEV_OP_CODE_CONNECT_AND_START_STREAM;
memcpy(buf + 4, &ep1, sizeof(ep1));
memcpy(buf + 4 + sizeof(ep1), &ep2, sizeof(ep2));
r = write(chardev_fd, buf, len);
free(buf);
if (r != (ssize_t)len) {
LOG_E("ERROR: Start stream failed (%s)", (r < 0) ? strerror(errno) : "Internal error");
return -1;
}
r = read(chardev_fd, data, sizeof(data));
if ((unsigned int)r < sizeof(data)) {
LOG_E("ERROR: Start stream failed (%s)!", (r < 0) ? strerror(errno) : "Internal error");
error = -1;
} else {
stream_handle = data[1];
}
return error;
}
int BoardE1::KhompPvtISDN::doChannelAnswer(CommandRequest &cmd)
{
try
{
ScopedPvtLock lock(this);
// is this a collect call?
bool has_recv_collect_call = _call->_collect_call;
// do we have to drop collect calls?
bool has_drop_collect_call = Opt::_drop_collect_call
|| _call->_flags.check(Kflags::DROP_COLLECT)
|| _call->_flags.check(Kflags::FILTER_COLLECT);
// do we have to drop THIS call?
bool do_drop_call = has_drop_collect_call && has_recv_collect_call;
if(has_drop_collect_call)
{
usleep(75000);
DBG(FUNC, PVT_FMT(target(), "disconnecting collect call"));
//TODO: Define what is SCE
// command(KHOMP_LOG,CM_DISCONNECT,SCE_HIDE);
command(KHOMP_LOG,CM_DISCONNECT);
// thou shalt not talk anymore!
stop_listen();
stop_stream();
//TODO: Checar se retorna aqui
}
}
catch (ScopedLockFailed & err)
{
K::Logger::Logg(C_ERROR, PVT_FMT(_target, "unable to lock %s!") % err._msg.c_str() );
return ksFail;
}
KhompPvtE1::doChannelAnswer(cmd);
}
int CFlowStatRuleMgr::del_stream(TrexStream * stream) {
#ifdef __DEBUG_FUNC_ENTRY__
std::cout << __METHOD_NAME__ << " user id:" << stream->m_rx_check.m_pg_id << std::endl;
stream_dump(stream);
#endif
if (! stream->m_rx_check.m_enabled) {
return 0;
}
if (! m_api)
throw TrexFStatEx("Called del_stream, but no stream was added", TrexException::T_FLOW_STAT_NO_STREAMS_EXIST);
TrexPlatformApi::driver_stat_cap_e rule_type = (TrexPlatformApi::driver_stat_cap_e)stream->m_rx_check.m_rule_type;
switch(rule_type) {
case TrexPlatformApi::IF_STAT_IPV4_ID:
break;
case TrexPlatformApi::IF_STAT_PAYLOAD:
break;
default:
throw TrexFStatEx("Wrong rule_type", TrexException::T_FLOW_STAT_BAD_RULE_TYPE);
break;
}
// we got del_stream command for a stream which has valid hw_id.
// Probably someone forgot to call stop
if(stream->m_rx_check.m_hw_id < MAX_FLOW_STATS + MAX_FLOW_STATS_PAYLOAD) {
stop_stream(stream);
}
// calling del for same stream twice, or for a stream which was never "added"
if(stream->m_rx_check.m_hw_id == HW_ID_INIT) {
return 0;
}
m_user_id_map.del_stream(stream->m_rx_check.m_pg_id); // Throws exception in case of error
stream->m_rx_check.m_hw_id = HW_ID_INIT;
return 0;
}
/* this function is called each time that a userland process write to the
* /proc/gpio/cmd proc entry */
int proc_cmd_write(struct file *file, const char *buffer, unsigned long count,
void *data)
{
int i;
char *token = NULL;
/* get buffer size */
procfs_buffer_size = count;
if (procfs_buffer_size > PROCFS_MAX_SIZE ) {
procfs_buffer_size = PROCFS_MAX_SIZE;
}
// clean the kernel buffer
for(i=0; i<PROCFS_MAX_SIZE; i++)
procfs_buffer[i]='\0';
// write data from the userland buffer to the kernel buffer
if ( copy_from_user(procfs_buffer, buffer, procfs_buffer_size) ) {
return -EFAULT;
}
// in case the last char is \n convert it to \0
if(procfs_buffer[procfs_buffer_size-1] == '\n')
procfs_buffer[procfs_buffer_size-1] = '\0';
if(strcmp(procfs_buffer,"start")==0) {
start_stream();
} else if(strcmp(procfs_buffer,"stop")==0) {
stop_stream();
} else if(strcmp(procfs_buffer,"modemoff")==0) {
PDEBUG("Shutting down modem.\n");
/* turn on gpio for 4 seconds, this shutdown the modem */
turn_on_gpio(gpio_out_modem);
init_timer(&jiq_timer);
jiq_timer.function = (void*)turn_off_gpio;
jiq_timer.data = (int)gpio_out_modem;
jiq_timer.expires = jiffies + HZ * 5; /* 5000ms == 5 seconds */
add_timer(&jiq_timer);
} else if(strcmp(procfs_buffer,"modemon")==0) {
PDEBUG("Power on modem.\n");
/* turn on gpio for 4 seconds, this shutdown the modem */
turn_on_gpio(gpio_out_modem);
init_timer(&jiq_timer);
jiq_timer.function = (void*)turn_off_gpio;
jiq_timer.data = (int)gpio_out_modem;
jiq_timer.expires = jiffies + HZ / 2 ; /* 500ms */
add_timer(&jiq_timer);
}
token = strtok(procfs_buffer, "=");
if(token != NULL) {
if(strcmp(token, "ledG") == 0) {
token = strtok(NULL, "=");
switch(n_atoi(token)) {
case 0: // led off
if(atomic_read(&atomic_var_pulse) == 1) {
del_timer(&jiq_pulse_timer);
}
PDEBUG("Turning green led off.\n");
turn_on_gpio(gpio_out_green);
break;
case 1: // led on
if(atomic_read(&atomic_var_pulse) == 1) {
del_timer(&jiq_pulse_timer);
}
PDEBUG("Turning green led on.\n");
turn_off_gpio(gpio_out_green);
break;
case 2: // led blink slow -> period: 1s; pulse duration: 0.1s; timing: 1000000000
pulse_data.gpio = gpio_out_green;
pulse_data.duration = HZ/10;
pulse_data.period = HZ;
pulse_data.num_pulses = 1;
PDEBUG("Blinking green led slow, period: %lu, duration: %lu, num_pulses: %d.\n",pulse_data.period,pulse_data.duration,pulse_data.num_pulses);
if(atomic_read(&atomic_var_pulse) == 1) {
del_timer(&jiq_pulse_timer);
}
atomic_set(&atomic_var_pulse,1);
pulse_led();
break;
case 3: // led blink fast -> period: 0.5s; pulse duration: 0.1s; timing: 10000
pulse_data.gpio = gpio_out_green;
pulse_data.duration = HZ/10;
pulse_data.period = HZ/2;
pulse_data.num_pulses = 1;
PDEBUG("Blinking green led slow, period: %lu, duration: %lu, num_pulses: %d.\n",pulse_data.period,pulse_data.duration,pulse_data.num_pulses);
if(atomic_read(&atomic_var_pulse) == 1) {
del_timer(&jiq_pulse_timer);
}
atomic_set(&atomic_var_pulse,1);
pulse_led();
break;
case 4: // led blink double pulse -> period: 1s; pulse duration: 0.1s; timing: 1010000000
pulse_data.gpio = gpio_out_green;
pulse_data.duration = HZ/10;
pulse_data.period = HZ;
pulse_data.num_pulses = 2;
PDEBUG("Blinking green led slow, period: %lu, duration: %lu, num_pulses: %d.\n",pulse_data.period,pulse_data.duration,pulse_data.num_pulses);
if(atomic_read(&atomic_var_pulse) == 1) {
del_timer(&jiq_pulse_timer);
}
atomic_set(&atomic_var_pulse,1);
pulse_led();
break;
}
}
}
return procfs_buffer_size;
}
bool BoardE1::KhompPvtE1::indicateBusyUnlocked(int cause, bool sent_signaling)
{
DBG(FUNC, PVT_FMT(_target, "(E1) c"));
if(!KhompPvt::indicateBusyUnlocked(cause, sent_signaling))
{
DBG(FUNC, PVT_FMT(_target, "(E1) r (false)"));
return false;
}
if(call()->_flags.check(Kflags::IS_INCOMING))
{
if(!call()->_flags.check(Kflags::CONNECTED) && !sent_signaling)
{
if(!call()->_flags.check(Kflags::HAS_PRE_AUDIO))
{
int rb_value = callFailFromCause(call()->_hangup_cause);
DBG(FUNC, PVT_FMT(target(), "sending the busy status"));
if (sendRingBackStatus(rb_value) == RingbackDefs::RBST_UNSUPPORTED)
{
DBG(FUNC, PVT_FMT(target(), "falling back to audio indication!"));
/* stop the line audio */
stop_stream();
/* just pre connect, no ringback */
if (!sendPreAudio())
DBG(FUNC, PVT_FMT(target(), "everything else failed, just sending audio indication..."));
/* be very specific about the situation. */
mixer(KHOMP_LOG, 1, kmsGenerator, kmtBusy);
}
}
else
{
DBG(FUNC, PVT_FMT(target(), "going to play busy"));
/* stop the line audio */
stop_stream();
/* be very specific about the situation. */
mixer(KHOMP_LOG, 1, kmsGenerator, kmtBusy);
}
}
else
{
/* already connected or sent signaling... */
mixer(KHOMP_LOG, 1, kmsGenerator, kmtBusy);
}
}
else if(call()->_flags.check(Kflags::IS_OUTGOING))
{
/* already connected or sent signaling... */
mixer(KHOMP_LOG, 1, kmsGenerator, kmtBusy);
}
DBG(FUNC,PVT_FMT(_target, "(E1) r"));
return true;
}
int snd_efw_stream_start_duplex(struct snd_efw *efw, unsigned int rate)
{
struct amdtp_stream *master, *slave;
atomic_t *slave_substreams;
enum cip_flags sync_mode;
unsigned int curr_rate;
int err = 0;
mutex_lock(&efw->mutex);
/* Need no substreams */
if ((atomic_read(&efw->playback_substreams) == 0) &&
(atomic_read(&efw->capture_substreams) == 0))
goto end;
err = get_sync_mode(efw, &sync_mode);
if (err < 0)
goto end;
if (sync_mode == CIP_SYNC_TO_DEVICE) {
master = &efw->tx_stream;
slave = &efw->rx_stream;
slave_substreams = &efw->playback_substreams;
} else {
master = &efw->rx_stream;
slave = &efw->tx_stream;
slave_substreams = &efw->capture_substreams;
}
/*
* Considering JACK/FFADO streaming:
* TODO: This can be removed hwdep functionality becomes popular.
*/
err = check_connection_used_by_others(efw, master);
if (err < 0)
goto end;
/* packet queueing error */
if (amdtp_streaming_error(slave))
stop_stream(efw, slave);
if (amdtp_streaming_error(master))
stop_stream(efw, master);
/* stop streams if rate is different */
err = snd_efw_command_get_sampling_rate(efw, &curr_rate);
if (err < 0)
goto end;
if (rate == 0)
rate = curr_rate;
if (rate != curr_rate) {
stop_stream(efw, slave);
stop_stream(efw, master);
}
/* master should be always running */
if (!amdtp_stream_running(master)) {
amdtp_stream_set_sync(sync_mode, master, slave);
efw->master = master;
err = snd_efw_command_set_sampling_rate(efw, rate);
if (err < 0)
goto end;
err = start_stream(efw, master, rate);
if (err < 0) {
dev_err(&efw->unit->device,
"fail to start AMDTP master stream:%d\n", err);
goto end;
}
}
/* start slave if needed */
if (atomic_read(slave_substreams) > 0 && !amdtp_stream_running(slave)) {
err = start_stream(efw, slave, rate);
if (err < 0) {
dev_err(&efw->unit->device,
"fail to start AMDTP slave stream:%d\n", err);
stop_stream(efw, master);
}
}
end:
mutex_unlock(&efw->mutex);
return err;
}
void teardown_fm_i2s(void)
{
stop_stream();
close_chardev();
}
void snd_oxfw_stream_stop_simplex(struct snd_oxfw *oxfw)
{
stop_stream(oxfw);
}
static int start_stream(struct snd_oxfw *oxfw, struct amdtp_stream *stream,
unsigned int rate, unsigned int pcm_channels)
{
u8 **formats;
struct cmp_connection *conn;
struct snd_oxfw_stream_formation formation;
unsigned int i, midi_ports;
int err;
if (stream == &oxfw->rx_stream) {
formats = oxfw->rx_stream_formats;
conn = &oxfw->in_conn;
} else {
formats = oxfw->tx_stream_formats;
conn = &oxfw->out_conn;
}
/* Get stream format */
for (i = 0; i < SND_OXFW_STREAM_FORMAT_ENTRIES; i++) {
if (formats[i] == NULL)
break;
err = snd_oxfw_stream_parse_format(formats[i], &formation);
if (err < 0)
goto end;
if (rate != formation.rate)
continue;
if (pcm_channels == 0 || pcm_channels == formation.pcm)
break;
}
if (i == SND_OXFW_STREAM_FORMAT_ENTRIES) {
err = -EINVAL;
goto end;
}
pcm_channels = formation.pcm;
midi_ports = formation.midi * 8;
/* The stream should have one pcm channels at least */
if (pcm_channels == 0) {
err = -EINVAL;
goto end;
}
err = amdtp_am824_set_parameters(stream, rate, pcm_channels, midi_ports,
false);
if (err < 0)
goto end;
err = cmp_connection_establish(conn,
amdtp_stream_get_max_payload(stream));
if (err < 0)
goto end;
err = amdtp_stream_start(stream,
conn->resources.channel,
conn->speed);
if (err < 0) {
cmp_connection_break(conn);
goto end;
}
/* Wait first packet */
if (!amdtp_stream_wait_callback(stream, CALLBACK_TIMEOUT)) {
stop_stream(oxfw, stream);
err = -ETIMEDOUT;
}
end:
return err;
}
static void
doit(int f,
struct sockaddr_storage *fromp,
krb5_context krb_context,
int encr_flag,
krb5_keytab keytab)
{
int p, t, on = 1;
char c;
char abuf[INET6_ADDRSTRLEN];
struct sockaddr_in *sin;
struct sockaddr_in6 *sin6;
int fromplen;
in_port_t port;
struct termios tp;
boolean_t bad_port;
boolean_t no_name;
char rhost_addra[INET6_ADDRSTRLEN];
if (!(rlbuf = malloc(BUFSIZ))) {
syslog(LOG_ERR, "rlbuf malloc failed\n");
exit(EXIT_FAILURE);
}
(void) alarm(60);
if (read(f, &c, 1) != 1 || c != 0) {
syslog(LOG_ERR, "failed to receive protocol zero byte\n");
exit(EXIT_FAILURE);
}
(void) alarm(0);
if (fromp->ss_family == AF_INET) {
sin = (struct sockaddr_in *)fromp;
port = sin->sin_port = ntohs((ushort_t)sin->sin_port);
fromplen = sizeof (struct sockaddr_in);
if (!inet_ntop(AF_INET, &sin->sin_addr,
rhost_addra, sizeof (rhost_addra)))
goto badconversion;
} else if (fromp->ss_family == AF_INET6) {
sin6 = (struct sockaddr_in6 *)fromp;
port = sin6->sin6_port = ntohs((ushort_t)sin6->sin6_port);
fromplen = sizeof (struct sockaddr_in6);
if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
struct in_addr ipv4_addr;
IN6_V4MAPPED_TO_INADDR(&sin6->sin6_addr,
&ipv4_addr);
if (!inet_ntop(AF_INET, &ipv4_addr, rhost_addra,
sizeof (rhost_addra)))
goto badconversion;
} else {
if (!inet_ntop(AF_INET6, &sin6->sin6_addr,
rhost_addra, sizeof (rhost_addra)))
goto badconversion;
}
} else {
syslog(LOG_ERR, "unknown address family %d\n",
fromp->ss_family);
fatal(f, "Permission denied");
}
/*
* Allow connections only from the "ephemeral" reserved
* ports(ports 512 - 1023) by checking the remote port
* because other utilities(e.g. in.ftpd) can be used to
* allow a unprivileged user to originate a connection
* from a privileged port and provide untrustworthy
* authentication.
*/
bad_port = (use_auth != KRB5_RECVAUTH_V5 &&
(port >= (in_port_t)IPPORT_RESERVED) ||
(port < (in_port_t)(IPPORT_RESERVED/2)));
no_name = getnameinfo((const struct sockaddr *) fromp,
fromplen, hostname, sizeof (hostname),
NULL, 0, 0) != 0;
if (no_name || bad_port) {
(void) strlcpy(abuf, rhost_addra, sizeof (abuf));
/* If no host name, use IP address for name later on. */
if (no_name)
(void) strlcpy(hostname, abuf, sizeof (hostname));
}
if (!no_name) {
/*
* Even if getnameinfo() succeeded, we still have to check
* for spoofing.
*/
check_address("rlogind", fromp, sin, sin6, rhost_addra,
hostname, sizeof (hostname));
}
if (bad_port) {
if (no_name)
syslog(LOG_NOTICE,
"connection from %s - bad port\n",
abuf);
else
syslog(LOG_NOTICE,
"connection from %s(%s) - bad port\n",
hostname, abuf);
fatal(f, "Permission denied");
}
if (use_auth == KRB5_RECVAUTH_V5) {
do_krb_login(f, rhost_addra, hostname,
krb_context, encr_flag, keytab);
if (krusername != NULL && strlen(krusername)) {
/*
* Kerberos Authentication succeeded,
* so set the proper program name to use
* with pam (important during 'cleanup'
* routine later).
*/
pam_prog_name = KRB5_PROG_NAME;
}
}
if (write(f, "", 1) != 1) {
syslog(LOG_NOTICE,
"send of the zero byte(to %s) failed:"
" cannot start data transfer mode\n",
(no_name ? abuf : hostname));
exit(EXIT_FAILURE);
}
if ((p = open("/dev/ptmx", O_RDWR)) == -1)
fatalperror(f, "cannot open /dev/ptmx");
if (grantpt(p) == -1)
fatal(f, "could not grant slave pty");
if (unlockpt(p) == -1)
fatal(f, "could not unlock slave pty");
if ((line = ptsname(p)) == NULL)
fatal(f, "could not enable slave pty");
if ((t = open(line, O_RDWR)) == -1)
fatal(f, "could not open slave pty");
if (ioctl(t, I_PUSH, "ptem") == -1)
fatalperror(f, "ioctl I_PUSH ptem");
if (ioctl(t, I_PUSH, "ldterm") == -1)
fatalperror(f, "ioctl I_PUSH ldterm");
if (ioctl(t, I_PUSH, "ttcompat") == -1)
fatalperror(f, "ioctl I_PUSH ttcompat");
/*
* POP the sockmod and push the rlmod module.
*
* Note that sockmod has to be removed since readstream assumes
* a "raw" TPI endpoint(e.g. it uses getmsg).
*/
if (removemod(f, "sockmod") < 0)
fatalperror(f, "couldn't remove sockmod");
if (encr_flag) {
if (ioctl(f, I_PUSH, "cryptmod") < 0)
fatalperror(f, "ioctl I_PUSH rlmod");
}
if (ioctl(f, I_PUSH, "rlmod") < 0)
fatalperror(f, "ioctl I_PUSH rlmod");
if (encr_flag) {
/*
* Make sure rlmod will pass unrecognized IOCTLs to cryptmod
*/
uchar_t passthru = 1;
struct strioctl rlmodctl;
rlmodctl.ic_cmd = CRYPTPASSTHRU;
rlmodctl.ic_timout = -1;
rlmodctl.ic_len = sizeof (uchar_t);
rlmodctl.ic_dp = (char *)&passthru;
if (ioctl(f, I_STR, &rlmodctl) < 0)
fatal(f, "ioctl CRYPTPASSTHRU failed\n");
}
/*
* readstream will do a getmsg till it receives
* M_PROTO type T_DATA_REQ from rloginmodopen()
* indicating all data on the stream prior to pushing rlmod has
* been drained at the stream head.
*/
if ((nsize = readstream(f, rlbuf, BUFSIZ)) < 0)
fatalperror(f, "readstream failed");
/*
* Make sure the pty doesn't modify the strings passed
* to login as part of the "rlogin protocol." The login
* program should set these flags to apropriate values
* after it has read the strings.
*/
if (ioctl(t, TCGETS, &tp) == -1)
fatalperror(f, "ioctl TCGETS");
tp.c_lflag &= ~(ECHO|ICANON);
tp.c_oflag &= ~(XTABS|OCRNL);
tp.c_iflag &= ~(IGNPAR|ICRNL);
if (ioctl(t, TCSETS, &tp) == -1)
fatalperror(f, "ioctl TCSETS");
/*
* System V ptys allow the TIOC{SG}WINSZ ioctl to be
* issued on the master side of the pty. Luckily, that's
* the only tty ioctl we need to do do, so we can close the
* slave side in the parent process after the fork.
*/
(void) ioctl(p, TIOCSWINSZ, &win);
pid = fork();
if (pid < 0)
fatalperror(f, "fork");
if (pid == 0) {
int tt;
struct utmpx ut;
/* System V login expects a utmp entry to already be there */
(void) memset(&ut, 0, sizeof (ut));
(void) strncpy(ut.ut_user, ".rlogin", sizeof (ut.ut_user));
(void) strncpy(ut.ut_line, line, sizeof (ut.ut_line));
ut.ut_pid = getpid();
ut.ut_id[0] = 'r';
ut.ut_id[1] = (char)SC_WILDC;
ut.ut_id[2] = (char)SC_WILDC;
ut.ut_id[3] = (char)SC_WILDC;
ut.ut_type = LOGIN_PROCESS;
ut.ut_exit.e_termination = 0;
ut.ut_exit.e_exit = 0;
(void) time(&ut.ut_tv.tv_sec);
if (makeutx(&ut) == NULL)
syslog(LOG_INFO, "in.rlogind:\tmakeutx failed");
/* controlling tty */
if (setsid() == -1)
fatalperror(f, "setsid");
if ((tt = open(line, O_RDWR)) == -1)
fatalperror(f, "could not re-open slave pty");
if (close(p) == -1)
fatalperror(f, "error closing pty master");
if (close(t) == -1)
fatalperror(f, "error closing pty slave"
" opened before session established");
/*
* If this fails we may or may not be able to output an
* error message.
*/
if (close(f) == -1)
fatalperror(f, "error closing deamon stdout");
if (dup2(tt, STDIN_FILENO) == -1 ||
dup2(tt, STDOUT_FILENO) == -1 ||
dup2(tt, STDERR_FILENO) == -1)
exit(EXIT_FAILURE); /* Disaster! No stderr! */
(void) close(tt);
if (use_auth == KRB5_RECVAUTH_V5 &&
krusername != NULL && strlen(krusername)) {
(void) execl(LOGIN_PROGRAM, "login",
"-d", line,
"-r", hostname,
"-u", krusername, /* KRB5 principal name */
"-s", pam_prog_name,
"-t", term, /* Remote Terminal */
"-U", rusername, /* Remote User */
"-R", KRB5_REPOSITORY_NAME,
lusername, /* local user */
NULL);
} else {
(void) execl(LOGIN_PROGRAM, "login",
"-d", line,
"-r", hostname,
NULL);
}
fatalperror(STDERR_FILENO, "/bin/login");
/*NOTREACHED*/
}
(void) close(t);
(void) ioctl(f, FIONBIO, &on);
(void) ioctl(p, FIONBIO, &on);
/*
* Must ignore SIGTTOU, otherwise we'll stop
* when we try and set slave pty's window shape
* (our controlling tty is the master pty).
* Likewise, we don't want any of the tty-generated
* signals from chars passing through.
*/
(void) sigset(SIGTSTP, SIG_IGN);
(void) sigset(SIGINT, SIG_IGN);
(void) sigset(SIGQUIT, SIG_IGN);
(void) sigset(SIGTTOU, SIG_IGN);
(void) sigset(SIGTTIN, SIG_IGN);
(void) sigset(SIGCHLD, cleanup);
(void) setpgrp();
if (encr_flag) {
krb5_data ivec, *ivptr;
uint_t ivec_usage;
stop_stream(f, CRYPT_ENCRYPT|CRYPT_DECRYPT);
/*
* Configure the STREAMS crypto module. For now,
* don't use any IV parameter. KCMDV0.2 support
* will require the use of Initialization Vectors
* for both encrypt and decrypt modes.
*/
if (kcmd_protocol == KCMD_OLD_PROTOCOL) {
if (session_key->enctype == ENCTYPE_DES_CBC_CRC) {
/*
* This is gross but necessary for MIT compat.
*/
ivec.length = session_key->length;
ivec.data = (char *)session_key->contents;
ivec_usage = IVEC_REUSE;
ivptr = &ivec;
} else {
ivptr = NULL; /* defaults to all 0's */
ivec_usage = IVEC_NEVER;
}
/*
* configure both sides of stream together
* since they share the same IV.
* This is what makes the OLD KCMD protocol
* less secure than the newer one - Bad ivecs.
*/
if (configure_stream(f, session_key,
CRYPT_ENCRYPT|CRYPT_DECRYPT,
ivptr, ivec_usage) != 0)
fatal(f, "Cannot initialize encryption -"
" exiting.\n");
} else {
size_t blocksize;
if (session_key->enctype == ENCTYPE_ARCFOUR_HMAC ||
session_key->enctype == ENCTYPE_ARCFOUR_HMAC_EXP) {
if (configure_stream(f, session_key,
CRYPT_ENCRYPT|CRYPT_DECRYPT,
NULL, IVEC_NEVER) != 0)
fatal(f,
"Cannot initialize encryption -"
" exiting.\n");
goto startcrypto;
}
if (krb5_c_block_size(krb_context,
session_key->enctype,
&blocksize)) {
syslog(LOG_ERR, "Cannot determine blocksize "
"for encryption type %d",
session_key->enctype);
fatal(f, "Cannot determine blocksize "
"for encryption - exiting.\n");
}
ivec.data = (char *)malloc(blocksize);
ivec.length = blocksize;
if (ivec.data == NULL)
fatal(f, "memory error - exiting\n");
/*
* Following MIT convention -
* encrypt IV = 0x01 x blocksize
* decrypt IV = 0x00 x blocksize
* ivec_usage = IVEC_ONETIME
*
* configure_stream separately for encrypt and
* decrypt because there are 2 different IVs.
*
* AES uses 0's for IV.
*/
if (session_key->enctype ==
ENCTYPE_AES128_CTS_HMAC_SHA1_96 ||
session_key->enctype ==
ENCTYPE_AES256_CTS_HMAC_SHA1_96)
(void) memset(ivec.data, 0x00, blocksize);
else
(void) memset(ivec.data, 0x01, blocksize);
if (configure_stream(f, session_key, CRYPT_ENCRYPT,
&ivec, IVEC_ONETIME) != 0)
fatal(f, "Cannot initialize encryption -"
" exiting.\n");
(void) memset(ivec.data, 0x00, blocksize);
if (configure_stream(f, session_key, CRYPT_DECRYPT,
&ivec, IVEC_ONETIME) != 0)
fatal(f, "Cannot initialize encryption -"
" exiting.\n");
(void) free(ivec.data);
}
startcrypto:
start_stream(f, CRYPT_ENCRYPT);
start_stream(f, CRYPT_DECRYPT);
}
protocol(f, p, encr_flag);
cleanup(0);
/*NOTREACHED*/
badconversion:
fatalperror(f, "address conversion");
/*NOTREACHED*/
}
int snd_oxfw_stream_start_simplex(struct snd_oxfw *oxfw,
struct amdtp_stream *stream,
unsigned int rate, unsigned int pcm_channels)
{
struct amdtp_stream *opposite;
struct snd_oxfw_stream_formation formation;
enum avc_general_plug_dir dir;
unsigned int substreams, opposite_substreams;
int err = 0;
if (stream == &oxfw->tx_stream) {
substreams = oxfw->capture_substreams;
opposite = &oxfw->rx_stream;
opposite_substreams = oxfw->playback_substreams;
dir = AVC_GENERAL_PLUG_DIR_OUT;
} else {
substreams = oxfw->playback_substreams;
opposite_substreams = oxfw->capture_substreams;
if (oxfw->has_output)
opposite = &oxfw->rx_stream;
else
opposite = NULL;
dir = AVC_GENERAL_PLUG_DIR_IN;
}
if (substreams == 0)
goto end;
/*
* Considering JACK/FFADO streaming:
* TODO: This can be removed hwdep functionality becomes popular.
*/
err = check_connection_used_by_others(oxfw, stream);
if (err < 0)
goto end;
/* packet queueing error */
if (amdtp_streaming_error(stream))
stop_stream(oxfw, stream);
err = snd_oxfw_stream_get_current_formation(oxfw, dir, &formation);
if (err < 0)
goto end;
if (rate == 0)
rate = formation.rate;
if (pcm_channels == 0)
pcm_channels = formation.pcm;
if ((formation.rate != rate) || (formation.pcm != pcm_channels)) {
if (opposite != NULL) {
err = check_connection_used_by_others(oxfw, opposite);
if (err < 0)
goto end;
stop_stream(oxfw, opposite);
}
stop_stream(oxfw, stream);
err = set_stream_format(oxfw, stream, rate, pcm_channels);
if (err < 0) {
dev_err(&oxfw->unit->device,
"fail to set stream format: %d\n", err);
goto end;
}
/* Start opposite stream if needed. */
if (opposite && !amdtp_stream_running(opposite) &&
(opposite_substreams > 0)) {
err = start_stream(oxfw, opposite, rate, 0);
if (err < 0) {
dev_err(&oxfw->unit->device,
"fail to restart stream: %d\n", err);
goto end;
}
}
}
/* Start requested stream. */
if (!amdtp_stream_running(stream)) {
err = start_stream(oxfw, stream, rate, pcm_channels);
if (err < 0)
dev_err(&oxfw->unit->device,
"fail to start stream: %d\n", err);
}
end:
return err;
}