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module-newcamd.c
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module-newcamd.c
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#include "globals.h"
#ifdef MODULE_NEWCAMD
#include "module-newcamd.h"
#include "oscam-chk.h"
#include "oscam-client.h"
#include "oscam-ecm.h"
#include "oscam-emm.h"
#include "oscam-net.h"
#include "oscam-reader.h"
#include "oscam-string.h"
#include "oscam-time.h"
#define CWS_NETMSGSIZE 362
#define NCD_CLIENT_ID 0x8888
#define CWS_FIRSTCMDNO 0xe0
typedef enum
{
MSG_CLIENT_2_SERVER_LOGIN = CWS_FIRSTCMDNO,
MSG_CLIENT_2_SERVER_LOGIN_ACK,
MSG_CLIENT_2_SERVER_LOGIN_NAK,
MSG_CARD_DATA_REQ,
MSG_CARD_DATA,
MSG_SERVER_2_CLIENT_NAME,
MSG_SERVER_2_CLIENT_NAME_ACK,
MSG_SERVER_2_CLIENT_NAME_NAK,
MSG_SERVER_2_CLIENT_LOGIN,
MSG_SERVER_2_CLIENT_LOGIN_ACK,
MSG_SERVER_2_CLIENT_LOGIN_NAK,
MSG_ADMIN,
MSG_ADMIN_ACK,
MSG_ADMIN_LOGIN,
MSG_ADMIN_LOGIN_ACK,
MSG_ADMIN_LOGIN_NAK,
MSG_ADMIN_COMMAND,
MSG_ADMIN_COMMAND_ACK,
MSG_ADMIN_COMMAND_NAK,
MSG_KEEPALIVE = CWS_FIRSTCMDNO + 0x1d,
MSG_SERVER_2_CLIENT_OSD = 0xd1,
MSG_SERVER_2_CLIENT_ALLCARDS = 0xd2,
MSG_SERVER_2_CLIENT_ADDCARD = 0xd3,
MSG_SERVER_2_CLIENT_REMOVECARD = 0xd4,
MSG_SERVER_2_CLIENT_CHANGE_KEY = 0xd5,
MSG_SERVER_2_CLIENT_GET_VERSION = 0xd6,
MSG_SERVER_2_CLIENT_ADDSID = 0xd7,
MSG_CLIENT_2_SERVER_CARDDISCOVER = 0xd8
} net_msg_type_t;
typedef enum
{
COMMTYPE_CLIENT,
COMMTYPE_SERVER
} comm_type_t;
typedef struct custom_data
{
uint16_t sid;
uint16_t caid;
int32_t provid;
uchar x;
} custom_data_t;
#define REQ_SIZE 2
static int32_t network_message_send(int32_t handle, uint16_t *netMsgId, uint8_t *buffer,
int32_t len, uint8_t *deskey, comm_type_t commType,
uint16_t sid, custom_data_t *cd)
{
uint8_t netbuf[CWS_NETMSGSIZE];
int32_t head_size;
struct s_client *cl = cur_client();
head_size = (cl->ncd_proto==NCD_524)?8:12;
if (len < 3 || len + head_size > CWS_NETMSGSIZE || handle < 0)
return -1;
buffer[1] = (buffer[1] & 0xf0) | (((len - 3) >> 8) & 0x0f);
buffer[2] = (len - 3) & 0xff;
memcpy(netbuf+head_size, buffer, len);
len += head_size;
if (netMsgId) {
if(commType==COMMTYPE_CLIENT) (*netMsgId)++;
netbuf[2] = (*netMsgId) >> 8;
netbuf[3] = (*netMsgId) & 0xff;
}
else
netbuf[2] = netbuf[3] = 0;
memset(netbuf+4, 0, (cl->ncd_proto==NCD_524)?4:8);
if( sid ) {
if (cl->reader && cl->reader->ncd_disable_server_filt &&
sid != NCD_CLIENT_ID && cl->ncd_proto!=NCD_524) { //mgclient send header
memcpy(netbuf+4, cl->ncd_header+4, 7);
}
netbuf[(cl->ncd_proto==NCD_524)?6:4] = (uchar)(sid>>8); //sid
netbuf[(cl->ncd_proto==NCD_524)?7:5] = (uchar)(sid);
}
//if ((!ncd_proto==NCD_524) && (buffer[0] >= 0xd1) && (buffer[0]<= 0xd8)) { // extended proto for mg
//cs_debug_mask(D_CLIENT, "newcamd: extended: msg");
if (cd) {
cs_debug_mask(D_CLIENT, "newcamd: has cd");
netbuf[4] = cd->sid >> 8;
netbuf[5] = cd->sid & 0xff;
netbuf[6] = cd->caid >> 8;
netbuf[7] = cd->caid & 0xff;
netbuf[8] = (cd->provid >> 16) & 0xFF;
netbuf[9] = (cd->provid >> 8) & 0xff;
netbuf[10] = cd->provid & 0xff;
}
//}
if (NCD_525 == cl->ncd_proto && cfg.ncd_mgclient &&
MSG_CLIENT_2_SERVER_LOGIN_ACK == buffer[0]) {
netbuf[4] = 0x6E; //From ExtNewcamSession.java CSP line 65-66 getLoginOkMsg()
netbuf[5] = 0x73;
netbuf[11] = 0x14;
}
if (NCD_525 == cl->ncd_proto &&
MSG_SERVER_2_CLIENT_ADDSID == buffer[0]) {
netbuf[11] = 0x14;
}
// if (buffer[0]==MSG_CLIENT_2_SERVER_LOGIN && cur_client()->reader->ncd_disable_server_filt) {
// netbuf[11] = 0x11; //From ChameleonCwsConnector.java CSP line 59-61 run()
// }
netbuf[0] = (len - 2) >> 8;
netbuf[1] = (len - 2) & 0xff;
cs_ddump_mask(D_CLIENT, netbuf, len, "send %d bytes to %s", len, remote_txt());
if ((len = des_encrypt(netbuf, len, deskey)) < 0)
return -1;
netbuf[0] = (len - 2) >> 8;
netbuf[1] = (len - 2) & 0xff;
return send(handle, netbuf, len, 0);
}
static int32_t send_sid_list(void)
{
struct s_client *cl = cur_client();
if(1 != cl->ftab.nfilts || !cl->sidtabs.no)
{
cs_log("SID list will not be send to mgcamd client.");
return 0;
}
uchar mbuf[CWS_NETMSGSIZE];
int32_t n = 0, nr = 0, portion_sid_num = 0, i = 0, sid_num = 0,
portion_num = 0;
SIDTAB *sidtab = 0;
custom_data_t cd;
cs_debug_mask(D_TRACE,"Send SID list to mgcamd client.");
memset(&cd, 0, sizeof(cd));
FILTER *pfilts = cfg.ncd_ptab.ports[cl->port_idx].ftab.filts;
/*memset(mbuf, 0, sizeof(mbuf));*/ // not nessesery
for (nr=0, sidtab=cfg.sidtab; sidtab; sidtab=sidtab->next, nr++)
if ((cl->sidtabs.no&((SIDTABBITS)1<<nr)) && (sidtab->num_caid | sidtab->num_provid | sidtab->num_srvid))
{
for(n = 0; n < pfilts[0].nprids; n++)
{
if(chk_srvid_match_by_caid_prov(pfilts[0].caid, pfilts[0].prids[n], sidtab))
{
for(i = 0; i < sidtab->num_srvid; i++)
{
// First SID goes to header
if(0 == portion_sid_num)
{
cd.sid = sidtab->srvid[i]; // first sid
cd.caid = cfg.ncd_ptab.ports[cl->port_idx].s_port; //assigned port
cd.provid = 0x1; // mark as deny
}
mbuf[portion_sid_num*3] = (uchar)(sidtab->srvid[i] >> 8);
mbuf[portion_sid_num*3 +1] = (uchar)(sidtab->srvid[i] & 0xFF);
mbuf[portion_sid_num*3 +2] = 0x1; // mark as deny
++sid_num;
++portion_sid_num;
if(portion_sid_num >= 50)
{
++portion_num;
cs_ddump_mask(0x0800, mbuf, (portion_sid_num)*3, "Portion %d contains %d SIDs", portion_num, portion_sid_num);
mbuf[0] = MSG_SERVER_2_CLIENT_ADDSID;
mbuf[1] = 0x0;
mbuf[2] = 0x0;
network_message_send(cl->udp_fd, &cl->ncd_msgid,
mbuf, portion_sid_num*3, cl->ncd_skey, COMMTYPE_SERVER, 0, &cd);
portion_sid_num = 0;
}
}
break;
}
}
}
if(portion_sid_num)
{
++portion_num;
cs_ddump_mask(0x0800, mbuf, (portion_sid_num)*3, "Portion %d contains %d SIDs", portion_num, portion_sid_num);
mbuf[0] = MSG_SERVER_2_CLIENT_ADDSID;
mbuf[1] = 0x0;
mbuf[2] = 0x0;
network_message_send(cl->udp_fd, &cl->ncd_msgid, mbuf, portion_sid_num*3, cl->ncd_skey, COMMTYPE_SERVER, 0, &cd);
portion_sid_num = 0;
}
cs_log("%d deny SIDs in the %d messages were sent to the client.", sid_num, portion_num);
return sid_num;
}
static int32_t network_message_receive(int32_t handle, uint16_t *netMsgId, uint8_t *buffer,
uint8_t *deskey, comm_type_t commType)
{
int32_t len, ncd_off, msgid;
uint8_t netbuf[CWS_NETMSGSIZE];
int32_t returnLen;
struct s_client *cl = cur_client();
if (!buffer || handle < 0)
return -1;
len = recv(handle, netbuf, 2, 0);
cs_debug_mask(D_CLIENT, "nmr(): len=%d, errno=%d", len, (len==-1)?errno:0);
if (!len) {
cs_debug_mask(D_CLIENT, "nmr: 1 return 0");
if(commType == COMMTYPE_CLIENT)
network_tcp_connection_close(cl->reader, "receive error1");
else
cs_disconnect_client(cl);
return 0;
}
if (len != 2) {
cs_debug_mask(D_CLIENT, "nmr: len!=2");
if(commType == COMMTYPE_CLIENT)
network_tcp_connection_close(cl->reader, "receive error2");
else
cs_disconnect_client(cl);
return -1;
}
if (((netbuf[0] << 8) | netbuf[1]) > CWS_NETMSGSIZE - 2) {
cs_debug_mask(D_CLIENT, "nmr: received data len=%d lonage than CWS_NETMSGSIZE=%d",((netbuf[0] << 8) | netbuf[1]),CWS_NETMSGSIZE);
cs_debug_mask(D_CLIENT, "nmr: 1 return -1");
return -1;
}
len = recv(handle, netbuf+2, (netbuf[0] << 8) | netbuf[1], 0);
if (!len) {
cs_debug_mask(D_CLIENT, "nmr: 2 return 0");
return 0;
}
if (len != ((netbuf[0] << 8) | netbuf[1])) {
cs_debug_mask(D_CLIENT, "nmr: 2 return -1");
return -1;
}
len += 2;
if ((len = des_decrypt(netbuf, len, deskey)) < 11 ) { // 15(newcamd525) or 11 ???
cs_debug_mask(D_CLIENT, "nmr: can't decrypt, invalid des key?");
cs_sleepms(2000);
return -1;
}
//cs_ddump_mask(D_CLIENT, netbuf, len, "nmr: decrypted data, len=%d", len);
msgid = (netbuf[2] << 8) | netbuf[3];
if( cl->ncd_proto==NCD_AUTO ) {
// auto detect
int32_t l5 = (((netbuf[13] & 0x0f) << 8) | netbuf[14]) + 3;
int32_t l4 = (((netbuf[9] & 0x0f) << 8) | netbuf[10]) + 3;
if( (l5<=len-12) && ((netbuf[12]&0xF0)==0xE0 || (netbuf[12]&0xF0)==0x80) )
cl->ncd_proto = NCD_525;
else if( (l4<=len-8) && ((netbuf[8]&0xF0)==0xE0 || (netbuf[9]&0xF0)==0x80) )
cl->ncd_proto = NCD_524;
else {
cs_debug_mask(D_CLIENT, "nmr: 4 return -1");
return -1;
}
cs_debug_mask(D_CLIENT, "nmr: autodetect: newcamd52%d used", (cl->ncd_proto==NCD_525)?5:4);
}
ncd_off=(cl->ncd_proto==NCD_525)?4:0;
returnLen = (((netbuf[9+ncd_off] & 0x0f) << 8) | netbuf[10+ncd_off]) + 3;
if ( returnLen > (len-(8+ncd_off)) ) {
cs_debug_mask(D_CLIENT, "nmr: 4 return -1");
return -1;
}
//cs_ddump_mask(D_CLIENT, netbuf, len, "nmr: decrypted data");
if (netMsgId)
{
switch (commType)
{
case COMMTYPE_SERVER:
*netMsgId = msgid;
break;
case COMMTYPE_CLIENT:
//if (*netMsgId != ((netbuf[2] << 8) | netbuf[3])) {
cs_debug_mask(D_CLIENT, "nmr: netMsgId=%d, from server=%d, ", *netMsgId, msgid );
//return -2;
//}
break;
default:
cs_debug_mask(D_CLIENT, "nmr: 5 return -1");
return -1;
break;
}
}
switch(commType)
{
case COMMTYPE_SERVER:
memcpy(cl->ncd_header, netbuf, (8+ncd_off));
buffer[0]=(cl->ncd_proto==NCD_525)?netbuf[4]:netbuf[6]; // sid
buffer[1]=(cl->ncd_proto==NCD_525)?netbuf[5]:netbuf[7];
break;
case COMMTYPE_CLIENT:
memcpy(cl->ncd_header, netbuf, (8+ncd_off));
buffer[0]=netbuf[2]; // msgid
buffer[1]=netbuf[3];
break;
}
memcpy(buffer+2, netbuf+(8+ncd_off), returnLen);
return returnLen+2;
}
static void network_cmd_no_data_send(int32_t handle, uint16_t *netMsgId,
net_msg_type_t cmd, uint8_t *deskey,
comm_type_t commType)
{
uint8_t buffer[3];
buffer[0] = cmd;
buffer[1] = 0;
buffer[2] = 0;
network_message_send(handle, netMsgId, buffer, 3, deskey, commType, 0, NULL);
}
static int32_t network_cmd_no_data_receive(int32_t handle, uint16_t *netMsgId,
uint8_t *deskey, comm_type_t commType)
{
uint8_t buffer[CWS_NETMSGSIZE];
if (network_message_receive(handle, netMsgId, buffer, deskey, commType) != 3+2)
return -1;
return buffer[2];
}
void newcamd_reply_ka(void)
{
struct s_client *cl = cur_client();
if (!cl) return;
if(!cl->udp_fd) {
cs_debug_mask(D_CLIENT, "invalid client fd=%d", cl->udp_fd);
return;
}
cs_debug_mask(D_CLIENT, "send keepalive to client fd=%d", cl->udp_fd);
if (cl->reader)
cl->reader->last_s = time((time_t *)0);
network_cmd_no_data_send(cl->udp_fd, &cl->ncd_msgid, MSG_KEEPALIVE, cl->ncd_skey,COMMTYPE_SERVER);
}
static int32_t connect_newcamd_server(void)
{
int32_t i;
uint8_t buf[CWS_NETMSGSIZE];
uint8_t keymod[14];
uint8_t key[16];
int32_t handle=0;
uint32_t idx;
uchar passwdcrypt[120];
uint8_t login_answer;
int32_t bytes_received;
struct s_client *cl = cur_client();
if(cl->reader->device[0] == 0 || cl->reader->r_pwd[0] == 0 ||
cl->reader->r_usr[0] == 0 || cl->reader->r_port == 0)
return -5;
// 1. Connect
handle = network_tcp_connection_open(cl->reader);
if(handle < 0) return -1;
// 2. Get init sequence
cl->ncd_msgid = 0;
if( read(handle, keymod, sizeof(keymod)) != sizeof(keymod)) {
cs_log("server does not return 14 bytes");
network_tcp_connection_close(cl->reader, "connect error");
return -2;
}
cs_ddump_mask(D_CLIENT, keymod, sizeof(cl->reader->ncd_key), "server init sequence:");
des_login_key_get(keymod, cl->reader->ncd_key, sizeof(cl->reader->ncd_key), key);
// 3. Send login info
idx = 3;
buf[0] = MSG_CLIENT_2_SERVER_LOGIN;
buf[1] = 0;
cs_strncpy((char *)buf+idx, cl->reader->r_usr, sizeof(buf)-idx);
__md5_crypt(cl->reader->r_pwd, "$1$abcdefgh$", (char *)passwdcrypt);
idx += strlen(cl->reader->r_usr)+1;
cs_strncpy((char *)buf+idx, (const char *)passwdcrypt, sizeof(buf)-idx);
network_message_send(handle, 0, buf, idx+strlen((char *)passwdcrypt)+1, key,
COMMTYPE_CLIENT, NCD_CLIENT_ID, NULL);
// 3.1 Get login answer
login_answer=network_cmd_no_data_receive(handle, &cl->ncd_msgid,
key, COMMTYPE_CLIENT);
if( login_answer == MSG_CLIENT_2_SERVER_LOGIN_NAK )
{
cs_log("login failed for user '%s'", cl->reader->r_usr);
network_tcp_connection_close(cl->reader, "login error1");
return -3;
}
if( login_answer != MSG_CLIENT_2_SERVER_LOGIN_ACK )
{
cs_log("expected MSG_CLIENT_2_SERVER_LOGIN_ACK (%02X), received %02X",
MSG_CLIENT_2_SERVER_LOGIN_ACK, login_answer);
network_tcp_connection_close(cl->reader, "login error2");
return -3;
}
// 3.2 Set connection info
cl->reader->tcp_connected = 1;
cl->crypted = 1;
// 4. Send MSG_CARD_DATE_REQ
des_login_key_get(cl->reader->ncd_key, passwdcrypt, strlen((char *)passwdcrypt), key);
network_cmd_no_data_send(handle, &cl->ncd_msgid, MSG_CARD_DATA_REQ,
key, COMMTYPE_CLIENT);
bytes_received = network_message_receive(handle, &cl->ncd_msgid, buf,
key, COMMTYPE_CLIENT);
if( bytes_received < 16 || buf[2] != MSG_CARD_DATA ) {
cs_log("expected MSG_CARD_DATA (%02X), received %02X",
MSG_CARD_DATA, buf[2]);
network_tcp_connection_close(cl->reader, "receive error");
return -4;
}
// 5. Parse CAID and PROVID(s)
cl->reader->caid = (uint16_t)((buf[6]<<8) | buf[7]);
/* handle special serial format in newcamd. See newcamd_auth_client */
newcamd_to_hexserial(buf+10, cl->reader->hexserial, cl->reader->caid);
cs_log("Newcamd Server: %s:%d - UserID: %i", cl->reader->device, cl->reader->r_port, buf[3+2]);
cs_log("CAID: %04X - UA: %02X%02X%02X%02X%02X%02X%02X%02X - Provider # %i", cl->reader->caid, cl->reader->hexserial[0], cl->reader->hexserial[1], cl->reader->hexserial[2], cl->reader->hexserial[3], cl->reader->hexserial[4], cl->reader->hexserial[5], cl->reader->hexserial[6], cl->reader->hexserial[7], buf[14+2]);
cl->reader->nprov = buf[14+2];
memset(cl->reader->prid, 0x00, sizeof(cl->reader->prid));
for (i=0; i < cl->reader->nprov; i++) {
cl->reader->availkeys[i][0] = 1;
if (((cl->reader->caid >> 8) == 0x17) ||
((cl->reader->caid >> 8) == 0x06)) //Betacrypt or Irdeto
{
memcpy(&cl->reader->prid[i], buf+22+2+11*i, 4);
}
else
{
cl->reader->prid[i][1] = buf[15+2+11*i];
cl->reader->prid[i][2] = buf[16+2+11*i];
cl->reader->prid[i][3] = buf[17+2+11*i];
}
memcpy(&cl->reader->sa[i], buf+22+2+11*i, 4); // the 4 first bytes are not read
cs_log("Provider ID: %02X%02X%02X - SA: %02X%02X%02X%02X", cl->reader->prid[i][1], cl->reader->prid[i][2], cl->reader->prid[i][3], cl->reader->sa[i][0], cl->reader->sa[i][1], cl->reader->sa[i][2], cl->reader->sa[i][3]);
}
memcpy(cl->reader->ncd_skey, key, 16);
// 6. Set card inserted
cl->reader->tcp_connected = 2;
cl->reader->card_status = CARD_INSERTED;
cl->reader->last_g = cl->reader->last_s = time((time_t *)0);
// Only after connect() on cl->udp_fd (Linux)
cl->pfd=cl->udp_fd;
if (cl->reader->ncd_disable_server_filt) { //act like mgclient
network_cmd_no_data_send(handle, &cl->ncd_msgid, MSG_SERVER_2_CLIENT_GET_VERSION,
key, COMMTYPE_CLIENT);
}
return 0;
}
static int32_t newcamd_connect(void)
{
struct s_client *cl = cur_client();
if (cl->reader->tcp_connected < 2 && connect_newcamd_server() < 0)
return 0;
if (!cl->udp_fd)
return 0;
return 1;
}
static int32_t newcamd_send(uchar *buf, int32_t ml, uint16_t sid)
{
struct s_client *cl = cur_client();
if(!newcamd_connect())
return(-1);
return(network_message_send(cl->udp_fd, &cl->ncd_msgid,
buf, ml, cl->reader->ncd_skey, COMMTYPE_CLIENT, sid, NULL));
}
static int32_t newcamd_recv(struct s_client *client, uchar *buf, int32_t UNUSED(l))
{
int32_t rc, rs;
if (client->typ == 'c')
{
rs=network_message_receive(client->udp_fd,
&client->ncd_msgid, buf,
client->ncd_skey, COMMTYPE_SERVER);
}
else
{
if (!client->udp_fd) return(-1);
rs=network_message_receive(client->udp_fd,
&client->ncd_msgid,buf,
client->reader->ncd_skey, COMMTYPE_CLIENT);
}
if (rs<5) rc=(-1);
else rc=rs;
cs_ddump_mask(D_CLIENT, buf, rs, "received %d bytes from %s", rs, remote_txt());
client->last = time((time_t *) 0);
if( rc==-1 )
{
if (rs > 0)
cs_log("packet is too small (%d bytes)", rs);
else
cs_log("Connection closed to %s", remote_txt());
}
return(rc);
}
static FILTER mk_user_au_ftab(struct s_reader *aureader)
{
int32_t i,j,found;
struct s_client *cl = cur_client();
FILTER filt;
FILTER *pufilt;
filt.caid = aureader->caid;
if (filt.caid == 0) filt.caid = cl->ftab.filts[0].caid;
filt.nprids = 0;
memset(&filt.prids, 0, sizeof(filt.prids));
pufilt = &cl->ftab.filts[0];
for( i=0; i<aureader->nprov; i++ )
filt.prids[filt.nprids++] = b2i(3, &aureader->prid[i][1]);
for( i=0; i<pufilt->nprids; i++ )
{
for( j=found=0; (!found)&&(j<filt.nprids); j++ )
if (pufilt->prids[i] == filt.prids[j]) found=1;
if( !found )
filt.prids[filt.nprids++] = pufilt->prids[i];
}
return filt;
}
static FILTER mk_user_ftab(void)
{
FILTER *psfilt = 0;
FILTER filt;
int32_t port_idx,i,j,k,c;
struct s_client *cl = cur_client();
filt.caid = 0;
filt.nprids = 0;
memset(&filt.prids, 0, sizeof(filt.prids));
port_idx = cl->port_idx;
psfilt = &cfg.ncd_ptab.ports[port_idx].ftab.filts[0];
// 1. CAID
// search server CAID in client CAID
for( c=i=0; i<CS_MAXCAIDTAB; i++ )
{
int32_t ctab_caid;
ctab_caid = cl->ctab.caid[i]&cl->ctab.mask[i];
if( ctab_caid ) c++;
if( psfilt->caid==ctab_caid )
{
filt.caid=ctab_caid;
break;
}
}
if( c && !filt.caid )
{
cs_log("no valid CAID found in CAID for user '%s'", cl->account->usr);
return filt;
}
// search CAID in client IDENT
cs_debug_mask(D_CLIENT, "client[%8lX].%s nfilts=%d, filt.caid=%04X", (unsigned long)pthread_self(),
cl->account->usr, cl->ftab.nfilts, filt.caid);
if( !filt.caid && cl->ftab.nfilts )
{
int32_t fcaids;
for( i=fcaids=0; i<cl->ftab.nfilts; i++ )
{
uint16_t ucaid=cl->ftab.filts[i].caid;
if( ucaid ) fcaids++;
if( ucaid && psfilt->caid==ucaid )
{
filt.caid = ucaid;
break;
}
}
if( fcaids==cl->ftab.nfilts && !filt.caid )
{
cs_log("no valid CAID found in IDENT for user '%s'", cl->account->usr);
//cs_disconnect_client();
return filt;
}
}
// empty client CAID - use server CAID
if( !filt.caid ) filt.caid=psfilt->caid;
// 2. PROVID
if( !cl->ftab.nfilts )
{
int32_t add;
for (i=0; i<psfilt->nprids; i++) {
// use server PROVID(s) (and only those which are in user's groups)
add = 0;
struct s_reader *rdr;
for (rdr=first_active_reader; rdr ; rdr=rdr->next)
if (rdr->grp & cl->grp) {
if (!rdr->ftab.nfilts) {
if (is_network_reader(rdr)) add = 1;
for (j=0; !add && j<rdr->nprov; j++)
if (b2i(3, &rdr->prid[j][1]) == psfilt->prids[i]) add = 1;
} else {
for (j=0; !add && j<rdr->ftab.nfilts; j++) {
uint32_t rcaid = rdr->ftab.filts[j].caid;
if (!rcaid || rcaid == filt.caid) {
for (k=0; !add && k<rdr->ftab.filts[j].nprids; k++)
if (rdr->ftab.filts[j].prids[k] == psfilt->prids[i]) add = 1;
}
}
}
}
if (add) filt.prids[filt.nprids++] = psfilt->prids[i];
}
memcpy(&filt, psfilt, sizeof(filt));
return filt;
}
// search in client IDENT
for( j=0; j<cl->ftab.nfilts; j++ )
{
uint32_t ucaid = cl->ftab.filts[j].caid;
cs_debug_mask(D_CLIENT, "client caid #%d: %04X", j, ucaid);
if( !ucaid || ucaid==filt.caid )
{
for (i=0; i<psfilt->nprids; i++)
{
cs_debug_mask(D_CLIENT, "search server provid #%d: %06X", i, psfilt->prids[i]);
if( cl->ftab.filts[j].nprids )
{
for( k=0; k<cl->ftab.filts[j].nprids; k++ )
if (cl->ftab.filts[j].prids[k] == psfilt->prids[i])
filt.prids[filt.nprids++]=cl->ftab.filts[j].prids[k];
} else {
filt.prids[filt.nprids++] = psfilt->prids[i];
// allow server PROVID(s) if no PROVID(s) specified in IDENT
}
}
}
}
if( !filt.nprids )
{
cs_log("no valid PROVID(s) found in CAID for user '%s'", cl->account->usr);
//cs_disconnect_client();
}
return filt;
}
static int8_t newcamd_auth_client(IN_ADDR_T ip, uint8_t *deskey)
{
int32_t i, ok, rc, sid_list;
uchar *usr = NULL, *pwd = NULL;
struct s_auth *account;
uchar buf[14];
uchar key[16];
uchar passwdcrypt[120];
struct s_reader *aureader = NULL, *rdr = NULL;
struct s_client *cl = cur_client();
uchar mbuf[CWS_NETMSGSIZE];
sid_list = 0;
ok = cfg.ncd_allowed ? check_ip(cfg.ncd_allowed, ip) : 1;
if (!ok)
{
cs_auth_client(cl, (struct s_auth *)0, NULL);
return -1;
}
// make random 14 bytes
get_random_bytes(buf, 14);
// send init sequence
send(cl->udp_fd, buf, 14, 0);
des_login_key_get(buf, deskey, 14, key);
memcpy(cl->ncd_skey, key, 16);
cl->ncd_msgid = 0;
i=process_input(mbuf, sizeof(mbuf), cfg.cmaxidle);
if ( i>0 )
{
if( mbuf[2] != MSG_CLIENT_2_SERVER_LOGIN )
{
cs_debug_mask(D_CLIENT, "expected MSG_CLIENT_2_SERVER_LOGIN (%02X), received %02X",
MSG_CLIENT_2_SERVER_LOGIN, mbuf[2]);
return -1;
}
usr=mbuf+5;
pwd=usr+strlen((char *)usr)+1;
}
else
{
cs_debug_mask(D_CLIENT, "bad client login request");
return -1;
}
cl->ncd_client_id = (mbuf[0] << 8) | mbuf[1];
const char *client_name = newcamd_get_client_name(cl->ncd_client_id);
#if defined(TCP_KEEPIDLE)
if(cl->ncd_client_id == 0x4453){ // DiabloWifi has problems with TCPKeepAlive
int32_t flag = 600;
if(setsockopt(cl->udp_fd, SOL_TCP, TCP_KEEPIDLE, &flag, sizeof(flag)) && errno != EBADF){ //send first keepalive packet after 600 seconds of last package received (keepalive packets included)
cs_log("Setting TCP_KEEPIDLE failed, errno=%d, %s", errno, strerror(errno));
} else cs_log("WARNING: Setting TCP_KEEPIDLE to 10 minutes for bugged DiabloWifi. Note that this might lead to not detected broken connections or multiple connections.");
}
#endif
if(cl->ncd_proto==NCD_525 && 0x6D == mbuf[0]
&& 0x67 == mbuf[1] && 0x11 == cl->ncd_header[11])
{
sid_list = 1;
}
for (ok=0, account=cfg.account; (usr) && (account) && (!ok); account=account->next)
{
cs_debug_mask(D_CLIENT, "account->usr=%s", account->usr);
if (strcmp((char *)usr, account->usr) == 0)
{
__md5_crypt(ESTR(account->pwd), "$1$abcdefgh$", (char *)passwdcrypt);
cs_debug_mask(D_CLIENT, "account->pwd=%s", passwdcrypt);
if (strcmp((char *)pwd, (const char *)passwdcrypt) == 0)
{
cl->crypted=1;
char e_txt[20];
snprintf(e_txt, 20, "%s:%d", "newcamd", cfg.ncd_ptab.ports[cl->port_idx].s_port);
if((rc = cs_auth_client(cl, account, e_txt)) == 2) {
cs_log("hostname or ip mismatch for user %s (%s)", usr, client_name);
break;
}
else if (rc != 0)
{
cs_log("account is invalid for user %s (%s)", usr, client_name);
break;
}
else
{
cs_log("user %s authenticated successfully (%s)", usr, client_name);
ok = 1;
break;
}
}
else
cs_log("user %s is providing a wrong password (%s)", usr, client_name);
}
}
if (!ok && !account)
{
cs_log("user %s is trying to connect but doesnt exist ! (%s)", usr, client_name);
usr = 0;
}
// check for non ready reader and reject client
for (rdr=first_active_reader; rdr ; rdr=rdr->next) {
if(rdr->caid==cfg.ncd_ptab.ports[cl->port_idx].ftab.filts[0].caid) {
if(rdr->card_status == CARD_NEED_INIT) {
cs_log("init for reader %s not finished -> reject client", rdr->label);
ok = 0;
}
break;
}
}
if (ok) {
LL_ITER itr = ll_iter_create(cl->aureader_list);
while ((rdr = ll_iter_next(&itr))) {
int32_t n;
for (n=0;n<cfg.ncd_ptab.ports[cl->port_idx].ftab.filts[0].nprids;n++) {
if (emm_reader_match(rdr, cfg.ncd_ptab.ports[cl->port_idx].ftab.filts[0].caid, cfg.ncd_ptab.ports[cl->port_idx].ftab.filts[0].prids[n])) {
aureader=rdr;
break;
}
}
if (aureader)
break;
}
if (aureader) {
cs_log("AU enabled for user %s on reader %s", usr, aureader->label);
} else {
cs_log("AU disabled for user %s", usr);
}
}
network_cmd_no_data_send(cl->udp_fd, &cl->ncd_msgid,
(ok)?MSG_CLIENT_2_SERVER_LOGIN_ACK:MSG_CLIENT_2_SERVER_LOGIN_NAK,
cl->ncd_skey, COMMTYPE_SERVER);
if (ok)
{
FILTER *pufilt = 0;
des_login_key_get(deskey, passwdcrypt, strlen((char *)passwdcrypt), key);
memcpy(cl->ncd_skey, key, 16);
i=process_input(mbuf, sizeof(mbuf), cfg.cmaxidle);
if( i>0 )
{
int32_t j,len=15;
if( mbuf[2] != MSG_CARD_DATA_REQ)
{
cs_debug_mask(D_CLIENT, "expected MSG_CARD_DATA_REQ (%02X), received %02X",
MSG_CARD_DATA_REQ, mbuf[2]);
return -1;
}
// set userfilter
cl->ftab.filts[0] = mk_user_ftab();
// set userfilter for au enabled clients
if (aureader)
cl->ftab.filts[0] = mk_user_au_ftab(aureader);
pufilt = &cl->ftab.filts[0];
if (cfg.ncd_mgclient)
cl->ftab.nfilts = 0; //We cannot filter all cards!
else
cl->ftab.nfilts = 1;
mbuf[0] = MSG_CARD_DATA;
mbuf[1] = 0x00;
mbuf[2] = 0x00;
if(aureader)
mbuf[3] = 1;
else
mbuf[3] = get_threadnum(cl)+10; // Unique user number
mbuf[4] = (uchar)(pufilt->caid>>8);
mbuf[5] = (uchar)(pufilt->caid);
mbuf[6] = 0x00;
mbuf[7] = 0x00;
if (aureader)
hexserial_to_newcamd(aureader->hexserial, mbuf+8, pufilt->caid);
else
memset(&mbuf[8], 0, 6); //mbuf[8] - mbuf[13]
mbuf[14] = pufilt->nprids;
for( j=0; j<pufilt->nprids; j++)
{
if (((pufilt->caid >> 8) == 0x17) || ((pufilt->caid >> 8) == 0x06)) // Betacrypt or Irdeto
{
mbuf[15+11*j] = 0;
mbuf[16+11*j] = 0;
mbuf[17+11*j] = j;
}
else
{
mbuf[15+11*j] = (uchar)(pufilt->prids[j]>>16);
mbuf[16+11*j] = (uchar)(pufilt->prids[j]>>8);
mbuf[17+11*j] = (uchar)(pufilt->prids[j]);
}
mbuf[18+11*j] = 0x00;
mbuf[19+11*j] = 0x00;
mbuf[20+11*j] = 0x00;
mbuf[21+11*j] = 0x00;
if (aureader)
{
// check if user provid from IDENT exists on card
int32_t k, found;
uint32_t rprid;
found=0;
if( pufilt->caid==aureader->caid )
{
for( k=0; (k<aureader->nprov); k++ )
{
rprid=b2i(3, &aureader->prid[k][1]);
if( rprid==pufilt->prids[j] )
{
if (((pufilt->caid >> 8) == 0x17) || ((pufilt->caid >> 8) == 0x06)) // Betacrypt or Irdeto
{
mbuf[22+11*j] = aureader->prid[k][0];
mbuf[23+11*j] = aureader->prid[k][1];
mbuf[24+11*j] = aureader->prid[k][2];
mbuf[25+11*j] = aureader->prid[k][3];
}
else
{
mbuf[22+11*j] = aureader->sa[k][0];
mbuf[23+11*j] = aureader->sa[k][1];
mbuf[24+11*j] = aureader->sa[k][2];
mbuf[25+11*j] = aureader->sa[k][3];
}
found=1;
break;
}
}
}
if( !found )
{
mbuf[22+11*j] = 0x00;
mbuf[23+11*j] = 0x00;
mbuf[24+11*j] = 0x00;
mbuf[25+11*j] = 0x00;
}
}
else
{
if (((pufilt->caid >> 8) == 0x17) || ((pufilt->caid >> 8) == 0x06)) // Betacrypt or Irdeto
{
mbuf[22+11*j] = 0x00;
mbuf[23+11*j] = (uchar)(pufilt->prids[j]>>16);
mbuf[24+11*j] = (uchar)(pufilt->prids[j]>>8);
mbuf[25+11*j] = (uchar)(pufilt->prids[j]);
}
else
{
mbuf[22+11*j] = 0x00;
mbuf[23+11*j] = 0x00;
mbuf[24+11*j] = 0x00;
mbuf[25+11*j] = 0x00;
}
}
len+=11;
}
custom_data_t cd;
memset(&cd, 0, sizeof(cd));
if (aureader)
{
if (aureader->blockemm & EMM_GLOBAL)
cd.sid |= 4;
if (aureader->blockemm & EMM_SHARED)
cd.sid |= 2;
if (aureader->blockemm & EMM_UNIQUE)
cd.sid |= 1;
}
if( network_message_send(cl->udp_fd, &cl->ncd_msgid,
mbuf, len, key, COMMTYPE_SERVER, 0, &cd) <0 )
{
return -1;
}
}
// send SID list
if (sid_list)
send_sid_list();
}
else
{
cs_auth_client(cl, 0, usr ? "login failure" : "no such user");
return -1;
}