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Commit dacadc6e authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont
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DVB: merge all CAM stuff in a single file (untested)

parent d9720721
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Showing with 500 additions and 536 deletions
modules/access/dvb/dvb.h
View file @ dacadc6e
......@@ -50,7 +50,6 @@ typedef struct
#define MAX_DEMUX 256
#include "en50221.h"
struct scan_t;
struct scan_parameter_t;
......@@ -62,7 +61,7 @@ struct access_sys_t
mtime_t i_frontend_timeout;
bool b_budget_mode;
cam_t cam;
struct cam *p_cam;
/* */
int i_read_once;
......@@ -118,7 +117,7 @@ int DVROpen( access_t * );
void DVRClose( access_t * );
int CAMOpen( access_t * );
int CAMPoll( access_t * );
void CAMPoll( access_t * );
int CAMSet( access_t *, dvbpsi_pmt_t * );
void CAMClose( access_t * );
#ifdef ENABLE_HTTPD
......@@ -131,9 +130,3 @@ void HTTPClose( access_t *p_access );
const char *HTTPExtractValue( const char *psz_uri, const char *psz_name,
char *psz_value, int i_value_max );
#endif
/*****************************************************************************
* Hacks
*****************************************************************************/
#define STRINGIFY( z ) UGLY_KLUDGE( z )
#define UGLY_KLUDGE( z ) #z
modules/access/dvb/en50221.c
View file @ dacadc6e
......@@ -31,6 +31,7 @@
#include <errno.h>
#include <time.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <poll.h>
......@@ -55,6 +56,57 @@
#include "dvb.h"
#include "../../demux/dvb-text.h"
#include "en50221.h"
typedef struct en50221_session_t
{
unsigned i_slot;
int i_resource_id;
void (* pf_handle)( cam_t *, int, uint8_t *, int );
void (* pf_close)( cam_t *, int );
void (* pf_manage)( cam_t *, int );
void *p_sys;
} en50221_session_t;
#define EN50221_MMI_NONE 0
#define EN50221_MMI_ENQ 1
#define EN50221_MMI_ANSW 2
#define EN50221_MMI_MENU 3
#define EN50221_MMI_MENU_ANSW 4
#define EN50221_MMI_LIST 5
typedef struct en50221_mmi_object_t
{
int i_object_type;
union
{
struct
{
bool b_blind;
char *psz_text;
} enq;
struct
{
bool b_ok;
char *psz_answ;
} answ;
struct
{
char *psz_title, *psz_subtitle, *psz_bottom;
char **ppsz_choices;
int i_choices;
} menu; /* menu and list are the same */
struct
{
int i_choice;
} menu_answ;
} u;
} mmi_t;
#undef DEBUG_TPDU
#define HLCI_WAIT_CAM_READY 0
......@@ -67,6 +119,28 @@ static void ConditionalAccessOpen( cam_t *, unsigned i_session_id );
static void DateTimeOpen( cam_t *, unsigned i_session_id );
static void MMIOpen( cam_t *, unsigned i_session_id );
#define MAX_CI_SLOTS 16
#define MAX_SESSIONS 32
#define MAX_PROGRAMS 24
struct cam
{
vlc_object_t *obj;
int fd;
int i_ca_type;
mtime_t i_timeout, i_next_event;
unsigned i_nb_slots;
bool pb_active_slot[MAX_CI_SLOTS];
bool pb_tc_has_data[MAX_CI_SLOTS];
bool pb_slot_mmi_expected[MAX_CI_SLOTS];
bool pb_slot_mmi_undisplayed[MAX_CI_SLOTS];
en50221_session_t p_sessions[MAX_SESSIONS];
dvbpsi_pmt_t *pp_selected_programs[MAX_PROGRAMS];
int i_selected_programs;
};
/*****************************************************************************
* Utility functions
*****************************************************************************/
......@@ -1504,16 +1578,44 @@ static void DateTimeOpen( cam_t * p_cam, unsigned i_session_id )
#define AI_CANCEL 0x00
#define AI_ANSWER 0x01
typedef struct
static void MMIFree( mmi_t *p_object )
{
en50221_mmi_object_t last_object;
} mmi_t;
switch ( p_object->i_object_type )
{
case EN50221_MMI_ENQ:
FREENULL( p_object->u.enq.psz_text );
break;
case EN50221_MMI_ANSW:
if ( p_object->u.answ.b_ok )
{
FREENULL( p_object->u.answ.psz_answ );
}
break;
case EN50221_MMI_MENU:
case EN50221_MMI_LIST:
FREENULL( p_object->u.menu.psz_title );
FREENULL( p_object->u.menu.psz_subtitle );
FREENULL( p_object->u.menu.psz_bottom );
for ( int i = 0; i < p_object->u.menu.i_choices; i++ )
{
free( p_object->u.menu.ppsz_choices[i] );
}
FREENULL( p_object->u.menu.ppsz_choices );
break;
default:
break;
}
}
/*****************************************************************************
* MMISendObject
*****************************************************************************/
static void MMISendObject( cam_t *p_cam, int i_session_id,
en50221_mmi_object_t *p_object )
mmi_t *p_object )
{
int i_slot = p_cam->p_sessions[i_session_id - 1].i_slot;
uint8_t *p_data;
......@@ -1611,17 +1713,17 @@ static void MMIHandleEnq( cam_t *p_cam, int i_session_id,
int l;
uint8_t *d = APDUGetLength( p_apdu, &l );
en50221_MMIFree( &p_mmi->last_object );
p_mmi->last_object.i_object_type = EN50221_MMI_ENQ;
p_mmi->last_object.u.enq.b_blind = (*d & 0x1) ? true : false;
MMIFree( p_mmi );
p_mmi->i_object_type = EN50221_MMI_ENQ;
p_mmi->u.enq.b_blind = (*d & 0x1) ? true : false;
d += 2; /* skip answer_text_length because it is not mandatory */
l -= 2;
p_mmi->last_object.u.enq.psz_text = xmalloc( l + 1 );
strncpy( p_mmi->last_object.u.enq.psz_text, (char *)d, l );
p_mmi->last_object.u.enq.psz_text[l] = '\0';
p_mmi->u.enq.psz_text = xmalloc( l + 1 );
strncpy( p_mmi->u.enq.psz_text, (char *)d, l );
p_mmi->u.enq.psz_text[l] = '\0';
msg_Dbg( p_cam->obj, "MMI enq: %s%s", p_mmi->last_object.u.enq.psz_text,
p_mmi->last_object.u.enq.b_blind == true ? " (blind)" : "" );
msg_Dbg( p_cam->obj, "MMI enq: %s%s", p_mmi->u.enq.psz_text,
p_mmi->u.enq.b_blind == true ? " (blind)" : "" );
p_cam->pb_slot_mmi_expected[i_slot] = false;
p_cam->pb_slot_mmi_undisplayed[i_slot] = true;
}
......@@ -1639,11 +1741,11 @@ static void MMIHandleMenu( cam_t *p_cam, int i_session_id, int i_tag,
int l;
uint8_t *d = APDUGetLength( p_apdu, &l );
en50221_MMIFree( &p_mmi->last_object );
p_mmi->last_object.i_object_type = (i_tag == AOT_MENU_LAST) ?
MMIFree( p_mmi );
p_mmi->i_object_type = (i_tag == AOT_MENU_LAST) ?
EN50221_MMI_MENU : EN50221_MMI_LIST;
p_mmi->last_object.u.menu.i_choices = 0;
p_mmi->last_object.u.menu.ppsz_choices = NULL;
p_mmi->u.menu.i_choices = 0;
p_mmi->u.menu.ppsz_choices = NULL;
if ( l > 0 )
{
......@@ -1652,10 +1754,9 @@ static void MMIHandleMenu( cam_t *p_cam, int i_session_id, int i_tag,
#define GET_FIELD( x ) \
if ( l > 0 ) \
{ \
p_mmi->last_object.u.menu.psz_##x \
= MMIGetText( p_cam, &d, &l ); \
p_mmi->u.menu.psz_##x = MMIGetText( p_cam, &d, &l ); \
msg_Dbg( p_cam->obj, "MMI " STRINGIFY( x ) ": %s", \
p_mmi->last_object.u.menu.psz_##x ); \
p_mmi->u.menu.psz_##x ); \
}
GET_FIELD( title );
......@@ -1666,8 +1767,8 @@ static void MMIHandleMenu( cam_t *p_cam, int i_session_id, int i_tag,
while ( l > 0 )
{
char *psz_text = MMIGetText( p_cam, &d, &l );
TAB_APPEND( p_mmi->last_object.u.menu.i_choices,
p_mmi->last_object.u.menu.ppsz_choices,
TAB_APPEND( p_mmi->u.menu.i_choices,
p_mmi->u.menu.ppsz_choices,
psz_text );
msg_Dbg( p_cam->obj, "MMI choice: %s", psz_text );
}
......@@ -1737,7 +1838,7 @@ static void MMIClose( cam_t *p_cam, int i_session_id )
int i_slot = p_cam->p_sessions[i_session_id - 1].i_slot;
mmi_t *p_mmi = (mmi_t *)p_cam->p_sessions[i_session_id - 1].p_sys;
en50221_MMIFree( &p_mmi->last_object );
MMIFree( p_mmi );
free( p_cam->p_sessions[i_session_id - 1].p_sys );
msg_Dbg( p_cam->obj, "closing MMI session (%d)", i_session_id );
......@@ -1758,7 +1859,7 @@ static void MMIOpen( cam_t *p_cam, unsigned i_session_id )
p_cam->p_sessions[i_session_id - 1].pf_close = MMIClose;
p_cam->p_sessions[i_session_id - 1].p_sys = xmalloc(sizeof(mmi_t));
p_mmi = (mmi_t *)p_cam->p_sessions[i_session_id - 1].p_sys;
p_mmi->last_object.i_object_type = EN50221_MMI_NONE;
p_mmi->i_object_type = EN50221_MMI_NONE;
}
......@@ -1818,10 +1919,55 @@ static int InitSlot( cam_t * p_cam, int i_slot )
/*****************************************************************************
* en50221_Init : Initialize the CAM for en50221
*****************************************************************************/
int en50221_Init( cam_t * p_cam )
cam_t *en50221_Init( vlc_object_t *obj, int fd )
{
if( p_cam->i_ca_type & CA_CI_LINK )
ca_caps_t caps;
memset( &caps, 0, sizeof( caps ));
if( ioctl( fd, CA_GET_CAP, &caps ) < 0 )
{
msg_Err( obj, "CAMInit: ioctl() error getting CAM capabilities" );
return NULL;
}
/* Output CA capabilities */
msg_Dbg( obj, "CA interface with %d slot(s)", caps.slot_num );
if( caps.slot_type & CA_CI )
msg_Dbg( obj, " CI high level interface type" );
if( caps.slot_type & CA_CI_LINK )
msg_Dbg( obj, " CI link layer level interface type" );
if( caps.slot_type & CA_CI_PHYS )
msg_Dbg( obj, " CI physical layer level interface type (not supported) " );
if( caps.slot_type & CA_DESCR )
msg_Dbg( obj, " built-in descrambler detected" );
if( caps.slot_type & CA_SC )
msg_Dbg( obj, " simple smart card interface" );
msg_Dbg( obj, "%d available descrambler(s) (keys)", caps.descr_num );
if( caps.descr_type & CA_ECD )
msg_Dbg( obj, " ECD scrambling system supported" );
if( caps.descr_type & CA_NDS )
msg_Dbg( obj, " NDS scrambling system supported" );
if( caps.descr_type & CA_DSS )
msg_Dbg( obj, " DSS scrambling system supported" );
if( caps.slot_num == 0 )
{
msg_Err( obj, "CAM module without slots" );
return NULL;
}
cam_t *p_cam = malloc( sizeof( *p_cam ) );
if( unlikely(p_cam == NULL) )
goto error;
p_cam->obj = obj;
p_cam->fd = fd;
if( caps.slot_type & CA_CI_LINK )
{
p_cam->i_ca_type = CA_CI_LINK;
for ( unsigned i_slot = 0; i_slot < p_cam->i_nb_slots; i_slot++ )
{
if ( ioctl( p_cam->fd, CA_RESET, 1 << i_slot) != 0 )
......@@ -1834,29 +1980,25 @@ int en50221_Init( cam_t * p_cam )
p_cam->i_timeout = CLOCK_FREQ / 10;
/* Wait a bit otherwise it doesn't initialize properly... */
msleep( CLOCK_FREQ / 10 );
return VLC_SUCCESS;
}
else
if( caps.slot_type & CA_CI )
{
p_cam->i_ca_type = CA_CI;
struct ca_slot_info info;
info.num = 0;
/* We don't reset the CAM in that case because it's done by the
* ASIC. */
if ( ioctl( p_cam->fd, CA_GET_SLOT_INFO, &info ) < 0 )
if ( ioctl( fd, CA_GET_SLOT_INFO, &info ) < 0 )
{
msg_Err( p_cam->obj, "en50221_Init: couldn't get slot info" );
close( p_cam->fd );
p_cam->fd = -1;
return VLC_EGENERIC;
msg_Err( obj, "cannot get slot info: %m" );
goto error;
}
if( info.flags == 0 )
{
msg_Err( p_cam->obj, "en50221_Init: no CAM inserted" );
close( p_cam->fd );
p_cam->fd = -1;
return VLC_EGENERIC;
msg_Err( obj, "no CAM inserted" );
goto error;
}
/* Allocate a dummy sessions */
......@@ -1871,49 +2013,71 @@ int en50221_Init( cam_t * p_cam )
ca_msg.msg[2] = ( AOT_APPLICATION_INFO & 0x0000FF ) >> 0;
memset( &ca_msg.msg[3], 0, 253 );
APDUSend( p_cam, 1, AOT_APPLICATION_INFO_ENQ, NULL, 0 );
if ( ioctl( p_cam->fd, CA_GET_MSG, &ca_msg ) < 0 )
if ( ioctl( fd, CA_GET_MSG, &ca_msg ) < 0 )
{
msg_Err( p_cam->obj, "en50221_Init: failed getting message" );
return VLC_EGENERIC;
msg_Err( obj, "en50221_Init: failed getting message" );
goto error;
}
#if HLCI_WAIT_CAM_READY
while( ca_msg.msg[8] == 0xff && ca_msg.msg[9] == 0xff )
{
if( !vlc_object_alive (p_cam) ) return VLC_EGENERIC;
if( !vlc_object_alive (obj) )
goto error;
msleep(1);
msg_Dbg( p_cam->obj, "CAM: please wait" );
msg_Dbg( obj, "CAM: please wait" );
APDUSend( p_cam, 1, AOT_APPLICATION_INFO_ENQ, NULL, 0 );
ca_msg.length=3;
ca_msg.msg[0] = ( AOT_APPLICATION_INFO & 0xFF0000 ) >> 16;
ca_msg.msg[1] = ( AOT_APPLICATION_INFO & 0x00FF00 ) >> 8;
ca_msg.msg[2] = ( AOT_APPLICATION_INFO & 0x0000FF ) >> 0;
memset( &ca_msg.msg[3], 0, 253 );
if ( ioctl( p_cam->fd, CA_GET_MSG, &ca_msg ) < 0 )
if ( ioctl( fd, CA_GET_MSG, &ca_msg ) < 0 )
{
msg_Err( p_cam->obj, "en50221_Init: failed getting message" );
return VLC_EGENERIC;
msg_Err( obj, "en50221_Init: failed getting message" );
goto error;
}
msg_Dbg( p_cam->obj, "en50221_Init: Got length: %d, tag: 0x%x", ca_msg.length, APDUGetTag( ca_msg.msg, ca_msg.length ) );
}
#else
if( ca_msg.msg[8] == 0xff && ca_msg.msg[9] == 0xff )
{
msg_Err( p_cam->obj, "CAM returns garbage as application info!" );
return VLC_EGENERIC;
msg_Err( obj, "CAM returns garbage as application info!" );
goto error;
}
#endif
msg_Dbg( p_cam->obj, "found CAM %s using id 0x%x", &ca_msg.msg[12],
msg_Dbg( obj, "found CAM %s using id 0x%x", &ca_msg.msg[12],
(ca_msg.msg[8]<<8)|ca_msg.msg[9] );
return VLC_SUCCESS;
}
else
{
msg_Err( obj, "CAM interface incompatible" );
goto error;
}
return p_cam;
error:
free( p_cam );
return NULL;
}
/*****************************************************************************
* en50221_Poll : Poll the CAM for TPDUs
*****************************************************************************/
int en50221_Poll( cam_t * p_cam )
void en50221_Poll( cam_t * p_cam )
{
switch( p_cam->i_ca_type )
{
case CA_CI_LINK:
if( mdate() > p_cam->i_next_event )
break;
case CA_CI:
return;
default:
assert( 0 );
}
for ( unsigned i_slot = 0; i_slot < p_cam->i_nb_slots; i_slot++ )
{
uint8_t i_tag;
......@@ -2044,7 +2208,7 @@ int en50221_Poll( cam_t * p_cam )
}
}
return VLC_SUCCESS;
p_cam->i_next_event = mdate() + p_cam->i_timeout;
}
......@@ -2120,7 +2284,7 @@ int en50221_SetCAPMT( cam_t * p_cam, dvbpsi_pmt_t *p_pmt )
/*****************************************************************************
* en50221_OpenMMI :
*****************************************************************************/
int en50221_OpenMMI( cam_t * p_cam, unsigned i_slot )
static int en50221_OpenMMI( cam_t * p_cam, unsigned i_slot )
{
if( p_cam->i_ca_type & CA_CI_LINK )
{
......@@ -2160,7 +2324,7 @@ int en50221_OpenMMI( cam_t * p_cam, unsigned i_slot )
/*****************************************************************************
* en50221_CloseMMI :
*****************************************************************************/
int en50221_CloseMMI( cam_t * p_cam, unsigned i_slot )
static int en50221_CloseMMI( cam_t * p_cam, unsigned i_slot )
{
if( p_cam->i_ca_type & CA_CI_LINK )
{
......@@ -2188,7 +2352,7 @@ int en50221_CloseMMI( cam_t * p_cam, unsigned i_slot )
/*****************************************************************************
* en50221_GetMMIObject :
*****************************************************************************/
en50221_mmi_object_t *en50221_GetMMIObject( cam_t * p_cam, unsigned i_slot )
static mmi_t *en50221_GetMMIObject( cam_t * p_cam, unsigned i_slot )
{
if( p_cam->pb_slot_mmi_expected[i_slot] == true )
return NULL; /* should not happen */
......@@ -2202,7 +2366,7 @@ en50221_mmi_object_t *en50221_GetMMIObject( cam_t * p_cam, unsigned i_slot )
(mmi_t *)p_cam->p_sessions[i - 1].p_sys;
if ( p_mmi == NULL )
return NULL; /* should not happen */
return &p_mmi->last_object;
return p_mmi;
}
}
......@@ -2213,8 +2377,8 @@ en50221_mmi_object_t *en50221_GetMMIObject( cam_t * p_cam, unsigned i_slot )
/*****************************************************************************
* en50221_SendMMIObject :
*****************************************************************************/
void en50221_SendMMIObject( cam_t * p_cam, unsigned i_slot,
en50221_mmi_object_t *p_object )
static void en50221_SendMMIObject( cam_t * p_cam, unsigned i_slot,
mmi_t *p_object )
{
for( unsigned i = 1; i <= MAX_SESSIONS; i++ )
{
......@@ -2229,6 +2393,246 @@ void en50221_SendMMIObject( cam_t * p_cam, unsigned i_slot,
msg_Err( p_cam->obj, "SendMMIObject when no MMI session is opened !" );
}
#ifdef ENABLE_HTTPD
char *en50221_Status( cam_t *p_cam, char *psz_request )
{
if( psz_request != NULL && *psz_request )
{
/* Check if we have an undisplayed MMI message : in that case we ignore
* the user input to avoid confusing the CAM. */
for ( unsigned i_slot = 0; i_slot < p_cam->i_nb_slots; i_slot++ )
{
if ( p_cam->pb_slot_mmi_undisplayed[i_slot] == true )
{
psz_request = NULL;
msg_Dbg( p_cam->obj,
"ignoring user request because of a new MMI object" );
break;
}
}
}
if( psz_request != NULL && *psz_request )
{
/* We have a mission to accomplish. */
mmi_t mmi_object;
char psz_value[255];
int i_slot;
bool b_ok = false;
if ( HTTPExtractValue( psz_request, "slot", psz_value,
sizeof(psz_value) ) == NULL )
{
return strdup( "invalid request parameter\n" );
}
i_slot = atoi(psz_value);
if ( HTTPExtractValue( psz_request, "open", psz_value,
sizeof(psz_value) ) != NULL )
{
en50221_OpenMMI( p_cam, i_slot );
return NULL;
}
if ( HTTPExtractValue( psz_request, "close", psz_value,
sizeof(psz_value) ) != NULL )
{
en50221_CloseMMI( p_cam, i_slot );
return NULL;
}
if ( HTTPExtractValue( psz_request, "cancel", psz_value,
sizeof(psz_value) ) == NULL )
{
b_ok = true;
}
if ( HTTPExtractValue( psz_request, "type", psz_value,
sizeof(psz_value) ) == NULL )
{
return strdup( "invalid request parameter\n" );
}
if ( !strcmp( psz_value, "enq" ) )
{
mmi_object.i_object_type = EN50221_MMI_ANSW;
mmi_object.u.answ.b_ok = b_ok;
if ( b_ok == false )
{
mmi_object.u.answ.psz_answ = strdup("");
}
else
{
if ( HTTPExtractValue( psz_request, "answ", psz_value,
sizeof(psz_value) ) == NULL )
{
return strdup( "invalid request parameter\n" );
}
mmi_object.u.answ.psz_answ = strdup(psz_value);
}
}
else
{
mmi_object.i_object_type = EN50221_MMI_MENU_ANSW;
if ( b_ok == false )
{
mmi_object.u.menu_answ.i_choice = 0;
}
else
{
if ( HTTPExtractValue( psz_request, "choice", psz_value,
sizeof(psz_value) ) == NULL )
mmi_object.u.menu_answ.i_choice = 0;
else
mmi_object.u.menu_answ.i_choice = atoi(psz_value);
}
}
en50221_SendMMIObject( p_cam, i_slot, &mmi_object );
return NULL;
}
/* Check that we have all necessary MMI information. */
for( unsigned i_slot = 0; i_slot < p_cam->i_nb_slots; i_slot++ )
{
if ( p_cam->pb_slot_mmi_expected[i_slot] == true )
return NULL;
}
char *buf = xmalloc( 10000 ), *p = buf;
ca_caps_t caps;
if( ioctl( p_cam->fd, CA_GET_CAP, &caps ) < 0 )
{
p += sprintf( p, "ioctl CA_GET_CAP failed (%m)\n" );
return buf;
}
/* Output CA capabilities */
p += sprintf( p, "CA interface with %d %s, type:\n<table>", caps.slot_num,
caps.slot_num == 1 ? "slot" : "slots" );
#define CHECK_CAPS( x, s ) \
if ( caps.slot_type & (CA_##x) ) \
p += sprintf( p, "<tr><td>" s "</td></tr>\n" );
CHECK_CAPS( CI, "CI high level interface" );
CHECK_CAPS( CI_LINK, "CI link layer level interface" );
CHECK_CAPS( CI_PHYS, "CI physical layer level interface (not supported)" );
CHECK_CAPS( DESCR, "built-in descrambler" );
CHECK_CAPS( SC, "simple smartcard interface" );
#undef CHECK_CAPS
p += sprintf( p, "</table>%d available %s\n<table>", caps.descr_num,
caps.descr_num == 1 ? "descrambler (key)" : "descramblers (keys)" );
#define CHECK_DESC( x ) \
if ( caps.descr_type & (CA_##x) ) \
p += sprintf( p, "<tr><td>" STRINGIFY(x) "</td></tr>\n" );
CHECK_DESC( ECD );
CHECK_DESC( NDS );
CHECK_DESC( DSS );
#undef CHECK_DESC
p += sprintf( p, "</table>" );
for( unsigned i_slot = 0; i_slot < p_cam->i_nb_slots; i_slot++ )
{
ca_slot_info_t sinfo;
p_cam->pb_slot_mmi_undisplayed[i_slot] = false;
p += sprintf( p, "<p>CA slot #%d: ", i_slot );
sinfo.num = i_slot;
if ( ioctl( p_cam->fd, CA_GET_SLOT_INFO, &sinfo ) < 0 )
{
p += sprintf( p, "ioctl CA_GET_SLOT_INFO failed (%m)<br>\n" );
continue;
}
#define CHECK_TYPE( x, s ) \
if ( sinfo.type & (CA_##x) ) \
p += sprintf( p, "%s", s );
CHECK_TYPE( CI, "high level, " );
CHECK_TYPE( CI_LINK, "link layer level, " );
CHECK_TYPE( CI_PHYS, "physical layer level, " );
#undef CHECK_TYPE
if ( sinfo.flags & CA_CI_MODULE_READY )
{
mmi_t *p_object = en50221_GetMMIObject( p_cam, i_slot );
p += sprintf( p, "module present and ready<p>\n" );
p += sprintf( p, "<form action=index.html method=get>\n" );
p += sprintf( p, "<input type=hidden name=slot value=\"%d\">\n",
i_slot );
if ( p_object == NULL )
{
p += sprintf( p, "<input type=submit name=open value=\"Open session\">\n" );
}
else
{
switch ( p_object->i_object_type )
{
case EN50221_MMI_ENQ:
p += sprintf( p, "<input type=hidden name=type value=enq>\n" );
p += sprintf( p, "<table border=1><tr><th>%s</th></tr>\n",
p_object->u.enq.psz_text );
if ( p_object->u.enq.b_blind == false )
p += sprintf( p, "<tr><td><input type=text name=answ></td></tr>\n" );
else
p += sprintf( p, "<tr><td><input type=password name=answ></td></tr>\n" );
break;
case EN50221_MMI_MENU:
p += sprintf( p, "<input type=hidden name=type value=menu>\n" );
p += sprintf( p, "<table border=1><tr><th>%s</th></tr>\n",
p_object->u.menu.psz_title );
p += sprintf( p, "<tr><td>%s</td></tr><tr><td>\n",
p_object->u.menu.psz_subtitle );
for ( int i = 0; i < p_object->u.menu.i_choices; i++ )
p += sprintf( p, "<input type=radio name=choice value=\"%d\">%s<br>\n", i + 1, p_object->u.menu.ppsz_choices[i] );
p += sprintf( p, "</td></tr><tr><td>%s</td></tr>\n",
p_object->u.menu.psz_bottom );
break;
case EN50221_MMI_LIST:
p += sprintf( p, "<input type=hidden name=type value=menu>\n" );
p += sprintf( p, "<input type=hidden name=choice value=0>\n" );
p += sprintf( p, "<table border=1><tr><th>%s</th></tr>\n",
p_object->u.menu.psz_title );
p += sprintf( p, "<tr><td>%s</td></tr><tr><td>\n",
p_object->u.menu.psz_subtitle );
for ( int i = 0; i < p_object->u.menu.i_choices; i++ )
p += sprintf( p, "%s<br>\n",
p_object->u.menu.ppsz_choices[i] );
p += sprintf( p, "</td></tr><tr><td>%s</td></tr>\n",
p_object->u.menu.psz_bottom );
break;
default:
p += sprintf( p, "<table><tr><th>Unknown MMI object type</th></tr>\n" );
}
p += sprintf( p, "</table><p><input type=submit name=ok value=\"OK\">\n" );
p += sprintf( p, "<input type=submit name=cancel value=\"Cancel\">\n" );
p += sprintf( p, "<input type=submit name=close value=\"Close Session\">\n" );
}
p += sprintf( p, "</form>\n" );
}
else if ( sinfo.flags & CA_CI_MODULE_PRESENT )
p += sprintf( p, "module present, not ready<br>\n" );
else
p += sprintf( p, "module not present<br>\n" );
}
return buf;
}
#endif
/*****************************************************************************
* en50221_End :
*****************************************************************************/
......@@ -2251,6 +2655,6 @@ void en50221_End( cam_t * p_cam )
}
}
/* Leave the CAM configured, so that it can be reused in another
* program. */
close( p_cam->fd );
free( p_cam );
}
modules/access/dvb/en50221.h
View file @ dacadc6e
......@@ -25,117 +25,11 @@
typedef struct cam cam_t;
typedef struct en50221_session_t
{
unsigned i_slot;
int i_resource_id;
void (* pf_handle)( cam_t *, int, uint8_t *, int );
void (* pf_close)( cam_t *, int );
void (* pf_manage)( cam_t *, int );
void *p_sys;
} en50221_session_t;
#define EN50221_MMI_NONE 0
#define EN50221_MMI_ENQ 1
#define EN50221_MMI_ANSW 2
#define EN50221_MMI_MENU 3
#define EN50221_MMI_MENU_ANSW 4
#define EN50221_MMI_LIST 5
typedef struct en50221_mmi_object_t
{
int i_object_type;
union
{
struct
{
bool b_blind;
char *psz_text;
} enq;
struct
{
bool b_ok;
char *psz_answ;
} answ;
struct
{
char *psz_title, *psz_subtitle, *psz_bottom;
char **ppsz_choices;
int i_choices;
} menu; /* menu and list are the same */
struct
{
int i_choice;
} menu_answ;
} u;
} en50221_mmi_object_t;
static inline void en50221_MMIFree( en50221_mmi_object_t *p_object )
{
int i;
switch ( p_object->i_object_type )
{
case EN50221_MMI_ENQ:
FREENULL( p_object->u.enq.psz_text );
break;
case EN50221_MMI_ANSW:
if ( p_object->u.answ.b_ok )
{
FREENULL( p_object->u.answ.psz_answ );
}
break;
case EN50221_MMI_MENU:
case EN50221_MMI_LIST:
FREENULL( p_object->u.menu.psz_title );
FREENULL( p_object->u.menu.psz_subtitle );
FREENULL( p_object->u.menu.psz_bottom );
for ( i = 0; i < p_object->u.menu.i_choices; i++ )
{
free( p_object->u.menu.ppsz_choices[i] );
}
FREENULL( p_object->u.menu.ppsz_choices );
break;
default:
break;
}
}
/* CA management */
#define MAX_CI_SLOTS 16
#define MAX_SESSIONS 32
#define MAX_PROGRAMS 24
struct cam
{
vlc_object_t *obj;
int i_ca_type;
int fd;
mtime_t i_timeout, i_next_event;
unsigned i_nb_slots;
bool pb_active_slot[MAX_CI_SLOTS];
bool pb_tc_has_data[MAX_CI_SLOTS];
bool pb_slot_mmi_expected[MAX_CI_SLOTS];
bool pb_slot_mmi_undisplayed[MAX_CI_SLOTS];
en50221_session_t p_sessions[MAX_SESSIONS];
dvbpsi_pmt_t *pp_selected_programs[MAX_PROGRAMS];
int i_selected_programs;
};
int en50221_Init( cam_t * );
int en50221_Poll( cam_t * );
cam_t *en50221_Init( vlc_object_t *, int fd );
void en50221_Poll( cam_t * );
int en50221_SetCAPMT( cam_t *, dvbpsi_pmt_t * );
int en50221_OpenMMI( cam_t *, unsigned i_slot );
int en50221_CloseMMI( cam_t *, unsigned i_slot );
en50221_mmi_object_t *en50221_GetMMIObject( cam_t *, unsigned i_slot );
void en50221_SendMMIObject( cam_t *, unsigned i_slot, en50221_mmi_object_t * );
char *en50221_Status( cam_t *, char *req );
void en50221_End( cam_t * );
#define STRINGIFY( z ) UGLY_KLUDGE( z )
#define UGLY_KLUDGE( z ) #z
modules/access/dvb/http.c
View file @ dacadc6e
......@@ -242,7 +242,7 @@ static int HttpCallback( httpd_file_sys_t *p_args,
p_sys->i_httpd_timeout = mdate() + INT64_C(3000000); /* 3 s */
p_sys->psz_request = psz_request;
p_sys->b_request_frontend_info = true;
if ( p_sys->cam.fd != -1 )
if ( p_sys->p_cam != NULL )
{
p_sys->b_request_mmi_info = true;
}
......
modules/access/dvb/linux_dvb.c
View file @ dacadc6e
......@@ -44,7 +44,6 @@
#include <linux/dvb/version.h>
#include <linux/dvb/dmx.h>
#include <linux/dvb/frontend.h>
#include <linux/dvb/ca.h>
/* Include dvbpsi headers */
# include <dvbpsi/dvbpsi.h>
......@@ -56,12 +55,9 @@
# include <dvbpsi/demux.h>
# include <dvbpsi/sdt.h>
#ifdef ENABLE_HTTPD
# include <vlc_httpd.h>
#endif
#include "dvb.h"
#include "scan.h"
#include "en50221.h"
#define DMX "/dev/dvb/adapter%d/demux%d"
#define FRONTEND "/dev/dvb/adapter%d/frontend%d"
......@@ -1478,118 +1474,40 @@ void DVRClose( access_t * p_access )
*****************************************************************************/
int CAMOpen( access_t *p_access )
{
cam_t *p_cam = &p_access->p_sys->cam;
char ca[128];
int i_adapter, i_device;
ca_caps_t caps;
p_cam->obj = VLC_OBJECT(p_access);
i_adapter = var_GetInteger( p_access, "dvb-adapter" );
i_device = var_GetInteger( p_access, "dvb-device" );
int i_adapter = var_GetInteger( p_access, "dvb-adapter" );
int i_device = var_GetInteger( p_access, "dvb-device" );
char ca[128];
if( snprintf( ca, sizeof(ca), CA, i_adapter, i_device ) >= (int)sizeof(ca) )
{
msg_Err( p_access, "snprintf() truncated string for CA" );
ca[sizeof(ca) - 1] = '\0';
}
memset( &caps, 0, sizeof( ca_caps_t ));
msg_Dbg( p_access, "Opening device %s", ca );
p_cam->fd = vlc_open(ca, O_RDWR | O_NONBLOCK);
if( p_cam->fd == -1 )
int fd = vlc_open(ca, O_RDWR | O_NONBLOCK);
if( fd == -1 )
{
msg_Warn( p_access, "CAMInit: opening CAM device failed (%m)" );
return VLC_EGENERIC;
}
if ( ioctl( p_cam->fd, CA_GET_CAP, &caps ) < 0 )
{
msg_Err( p_access, "CAMInit: ioctl() error getting CAM capabilities" );
goto error;
}
/* Output CA capabilities */
msg_Dbg( p_access, "CAMInit: CA interface with %d %s", caps.slot_num,
caps.slot_num == 1 ? "slot" : "slots" );
if ( caps.slot_type & CA_CI )
msg_Dbg( p_access, "CAMInit: CI high level interface type" );
if ( caps.slot_type & CA_CI_LINK )
msg_Dbg( p_access, "CAMInit: CI link layer level interface type" );
if ( caps.slot_type & CA_CI_PHYS )
msg_Dbg( p_access, "CAMInit: CI physical layer level interface type (not supported) " );
if ( caps.slot_type & CA_DESCR )
msg_Dbg( p_access, "CAMInit: built-in descrambler detected" );
if ( caps.slot_type & CA_SC )
msg_Dbg( p_access, "CAMInit: simple smart card interface" );
msg_Dbg( p_access, "CAMInit: %d available %s", caps.descr_num,
caps.descr_num == 1 ? "descrambler (key)" : "descramblers (keys)" );
if ( caps.descr_type & CA_ECD )
msg_Dbg( p_access, "CAMInit: ECD scrambling system supported" );
if ( caps.descr_type & CA_NDS )
msg_Dbg( p_access, "CAMInit: NDS scrambling system supported" );
if ( caps.descr_type & CA_DSS )
msg_Dbg( p_access, "CAMInit: DSS scrambling system supported" );
if ( caps.slot_num == 0 )
{
msg_Err( p_access, "CAMInit: CAM module with no slots" );
goto error;
}
if( caps.slot_type & CA_CI_LINK )
{
p_cam->i_ca_type = CA_CI_LINK;
}
else if( caps.slot_type & CA_CI )
if( !(p_access->p_sys->p_cam = en50221_Init( VLC_OBJECT(p_access), fd )) )
{
p_cam->i_ca_type = CA_CI;
}
else
{
p_cam->i_ca_type = -1;
msg_Err( p_access, "CAMInit: incompatible CAM interface" );
goto error;
}
p_cam->i_nb_slots = caps.slot_num;
memset( p_cam->pb_active_slot, 0, sizeof(bool) * MAX_CI_SLOTS );
memset( p_cam->pb_slot_mmi_expected, 0, sizeof(bool) * MAX_CI_SLOTS );
memset( p_cam->pb_slot_mmi_undisplayed, 0,
sizeof(bool) * MAX_CI_SLOTS );
return en50221_Init( p_cam );
error:
close( p_cam->fd );
p_cam->fd = -1;
close( fd );
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
/*****************************************************************************
* CAMPoll :
*****************************************************************************/
int CAMPoll( access_t * p_access )
void CAMPoll( access_t * p_access )
{
cam_t *p_cam = &p_access->p_sys->cam;
if ( p_cam->fd == -1 )
return VLC_EGENERIC;
switch( p_cam->i_ca_type )
{
case CA_CI_LINK:
if ( mdate() > p_cam->i_next_event )
{
int ret = en50221_Poll( p_cam );
p_cam->i_next_event = mdate() + p_cam->i_timeout;
return ret;
}
case CA_CI:
return VLC_SUCCESS;
}
msg_Err( p_access, "CAMPoll: This should not happen" );
return VLC_EGENERIC;;
cam_t *p_cam = p_access->p_sys->p_cam;
if( p_cam != NULL )
en50221_Poll( p_cam );
}
#ifdef ENABLE_HTTPD
......@@ -1599,258 +1517,17 @@ int CAMPoll( access_t * p_access )
void CAMStatus( access_t * p_access )
{
access_sys_t *p_sys = p_access->p_sys;
cam_t *p_cam = &p_sys->cam;
char *p;
ca_caps_t caps;
int i;
if ( p_sys->psz_request != NULL && *p_sys->psz_request )
{
/* Check if we have an undisplayed MMI message : in that case we ignore
* the user input to avoid confusing the CAM. */
for ( unsigned i_slot = 0; i_slot < p_cam->i_nb_slots; i_slot++ )
{
if ( p_cam->pb_slot_mmi_undisplayed[i_slot] == true )
{
p_sys->psz_request = NULL;
msg_Dbg( p_access,
"ignoring user request because of a new MMI object" );
break;
}
}
}
if ( p_sys->psz_request != NULL && *p_sys->psz_request )
{
/* We have a mission to accomplish. */
en50221_mmi_object_t mmi_object;
char *psz_request = p_sys->psz_request;
char psz_value[255];
int i_slot;
bool b_ok = false;
cam_t *p_cam = p_sys->p_cam;
p_sys->psz_mmi_info = en50221_Status( p_cam, p_sys->psz_request );
p_sys->psz_request = NULL;
if ( HTTPExtractValue( psz_request, "slot", psz_value,
sizeof(psz_value) ) == NULL )
{
p_sys->psz_mmi_info = strdup( "invalid request parameter\n" );
goto out;
}
i_slot = atoi(psz_value);
if ( HTTPExtractValue( psz_request, "open", psz_value,
sizeof(psz_value) ) != NULL )
{
en50221_OpenMMI( p_cam, i_slot );
return;
}
if ( HTTPExtractValue( psz_request, "close", psz_value,
sizeof(psz_value) ) != NULL )
{
en50221_CloseMMI( p_cam, i_slot );
return;
}
if ( HTTPExtractValue( psz_request, "cancel", psz_value,
sizeof(psz_value) ) == NULL )
{
b_ok = true;
}
if ( HTTPExtractValue( psz_request, "type", psz_value,
sizeof(psz_value) ) == NULL )
{
p_sys->psz_mmi_info = strdup( "invalid request parameter\n" );
goto out;
}
if ( !strcmp( psz_value, "enq" ) )
{
mmi_object.i_object_type = EN50221_MMI_ANSW;
mmi_object.u.answ.b_ok = b_ok;
if ( b_ok == false )
{
mmi_object.u.answ.psz_answ = strdup("");
}
else
{
if ( HTTPExtractValue( psz_request, "answ", psz_value,
sizeof(psz_value) ) == NULL )
{
p_sys->psz_mmi_info = strdup( "invalid request parameter\n" );
goto out;
}
mmi_object.u.answ.psz_answ = strdup(psz_value);
}
}
else
if( p_sys->psz_mmi_info != NULL )
{
mmi_object.i_object_type = EN50221_MMI_MENU_ANSW;
if ( b_ok == false )
{
mmi_object.u.menu_answ.i_choice = 0;
}
else
{
if ( HTTPExtractValue( psz_request, "choice", psz_value,
sizeof(psz_value) ) == NULL )
mmi_object.u.menu_answ.i_choice = 0;
else
mmi_object.u.menu_answ.i_choice = atoi(psz_value);
}
}
en50221_SendMMIObject( p_cam, i_slot, &mmi_object );
return;
}
/* Check that we have all necessary MMI information. */
for( unsigned i_slot = 0; i_slot < p_cam->i_nb_slots; i_slot++ )
{
if ( p_cam->pb_slot_mmi_expected[i_slot] == true )
return;
}
p = p_sys->psz_mmi_info = malloc( 10000 );
if ( ioctl( p_cam->fd, CA_GET_CAP, &caps ) != 0 )
{
char buf[1000];
strerror_r( errno, buf, sizeof( buf ) );
p += sprintf( p, "ioctl CA_GET_CAP failed (%s)\n", buf );
goto out;
}
/* Output CA capabilities */
p += sprintf( p, "CA interface with %d %s, type:\n<table>", caps.slot_num,
caps.slot_num == 1 ? "slot" : "slots" );
#define CHECK_CAPS( x, s ) \
if ( caps.slot_type & (CA_##x) ) \
p += sprintf( p, "<tr><td>" s "</td></tr>\n" );
CHECK_CAPS( CI, "CI high level interface" );
CHECK_CAPS( CI_LINK, "CI link layer level interface" );
CHECK_CAPS( CI_PHYS, "CI physical layer level interface (not supported)" );
CHECK_CAPS( DESCR, "built-in descrambler" );
CHECK_CAPS( SC, "simple smartcard interface" );
#undef CHECK_CAPS
p += sprintf( p, "</table>%d available %s\n<table>", caps.descr_num,
caps.descr_num == 1 ? "descrambler (key)" : "descramblers (keys)" );
#define CHECK_DESC( x ) \
if ( caps.descr_type & (CA_##x) ) \
p += sprintf( p, "<tr><td>" STRINGIFY(x) "</td></tr>\n" );
CHECK_DESC( ECD );
CHECK_DESC( NDS );
CHECK_DESC( DSS );
#undef CHECK_DESC
p += sprintf( p, "</table>" );
for( unsigned i_slot = 0; i_slot < p_cam->i_nb_slots; i_slot++ )
{
ca_slot_info_t sinfo;
p_cam->pb_slot_mmi_undisplayed[i_slot] = false;
p += sprintf( p, "<p>CA slot #%d: ", i_slot );
sinfo.num = i_slot;
if ( ioctl( p_cam->fd, CA_GET_SLOT_INFO, &sinfo ) != 0 )
{
char buf[1000];
strerror_r( errno, buf, sizeof( buf ) );
p += sprintf( p, "ioctl CA_GET_SLOT_INFO failed (%s)<br>\n", buf );
continue;
}
#define CHECK_TYPE( x, s ) \
if ( sinfo.type & (CA_##x) ) \
p += sprintf( p, "%s", s );
CHECK_TYPE( CI, "high level, " );
CHECK_TYPE( CI_LINK, "link layer level, " );
CHECK_TYPE( CI_PHYS, "physical layer level, " );
#undef CHECK_TYPE
if ( sinfo.flags & CA_CI_MODULE_READY )
{
en50221_mmi_object_t *p_object = en50221_GetMMIObject( p_cam,
i_slot );
p += sprintf( p, "module present and ready<p>\n" );
p += sprintf( p, "<form action=index.html method=get>\n" );
p += sprintf( p, "<input type=hidden name=slot value=\"%d\">\n",
i_slot );
if ( p_object == NULL )
{
p += sprintf( p, "<input type=submit name=open value=\"Open session\">\n" );
}
else
{
switch ( p_object->i_object_type )
{
case EN50221_MMI_ENQ:
p += sprintf( p, "<input type=hidden name=type value=enq>\n" );
p += sprintf( p, "<table border=1><tr><th>%s</th></tr>\n",
p_object->u.enq.psz_text );
if ( p_object->u.enq.b_blind == false )
p += sprintf( p, "<tr><td><input type=text name=answ></td></tr>\n" );
else
p += sprintf( p, "<tr><td><input type=password name=answ></td></tr>\n" );
break;
case EN50221_MMI_MENU:
p += sprintf( p, "<input type=hidden name=type value=menu>\n" );
p += sprintf( p, "<table border=1><tr><th>%s</th></tr>\n",
p_object->u.menu.psz_title );
p += sprintf( p, "<tr><td>%s</td></tr><tr><td>\n",
p_object->u.menu.psz_subtitle );
for ( i = 0; i < p_object->u.menu.i_choices; i++ )
p += sprintf( p, "<input type=radio name=choice value=\"%d\">%s<br>\n", i + 1, p_object->u.menu.ppsz_choices[i] );
p += sprintf( p, "</td></tr><tr><td>%s</td></tr>\n",
p_object->u.menu.psz_bottom );
break;
case EN50221_MMI_LIST:
p += sprintf( p, "<input type=hidden name=type value=menu>\n" );
p += sprintf( p, "<input type=hidden name=choice value=0>\n" );
p += sprintf( p, "<table border=1><tr><th>%s</th></tr>\n",
p_object->u.menu.psz_title );
p += sprintf( p, "<tr><td>%s</td></tr><tr><td>\n",
p_object->u.menu.psz_subtitle );
for ( i = 0; i < p_object->u.menu.i_choices; i++ )
p += sprintf( p, "%s<br>\n",
p_object->u.menu.ppsz_choices[i] );
p += sprintf( p, "</td></tr><tr><td>%s</td></tr>\n",
p_object->u.menu.psz_bottom );
break;
default:
p += sprintf( p, "<table><tr><th>Unknown MMI object type</th></tr>\n" );
}
p += sprintf( p, "</table><p><input type=submit name=ok value=\"OK\">\n" );
p += sprintf( p, "<input type=submit name=cancel value=\"Cancel\">\n" );
p += sprintf( p, "<input type=submit name=close value=\"Close Session\">\n" );
}
p += sprintf( p, "</form>\n" );
}
else if ( sinfo.flags & CA_CI_MODULE_PRESENT )
p += sprintf( p, "module present, not ready<br>\n" );
else
p += sprintf( p, "module not present<br>\n" );
}
out:
vlc_mutex_lock( &p_sys->httpd_mutex );
p_sys->b_request_mmi_info = false;
vlc_cond_signal( &p_sys->httpd_cond );
vlc_mutex_unlock( &p_sys->httpd_mutex );
}
}
#endif
......@@ -1859,16 +1536,15 @@ out:
*****************************************************************************/
int CAMSet( access_t * p_access, dvbpsi_pmt_t *p_pmt )
{
cam_t *p_cam = &p_access->p_sys->cam;
cam_t *p_cam = p_access->p_sys->p_cam;
if( p_cam->fd == -1 )
if( p_cam == NULL )
{
dvbpsi_DeletePMT( p_pmt );
return VLC_EGENERIC;
}
en50221_SetCAPMT( p_cam, p_pmt );
return VLC_SUCCESS;
}
......@@ -1877,11 +1553,8 @@ int CAMSet( access_t * p_access, dvbpsi_pmt_t *p_pmt )
*****************************************************************************/
void CAMClose( access_t * p_access )
{
cam_t *p_cam = &p_access->p_sys->cam;
if ( p_cam->fd == -1 )
return;
cam_t *p_cam = p_access->p_sys->p_cam;
if ( p_cam != NULL )
en50221_End( p_cam );
close( p_cam->fd );
}
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