initial import from svn

This commit is contained in:
Andre 2011-04-30 17:09:33 +02:00
commit 2346f259ef
12 changed files with 2813 additions and 0 deletions

74
Makefile Normal file
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# Makefile - BinTec Remote CAPI Library
#
SHELL = /bin/sh
# be sure to get a BINTEC_PUBLIC_RELEASE_1_7 tagged capi, because the HEAD
# release is still buggy.
CAPIDIR = ../bintec_capi
CC = gcc
LD = ld
DEFS = -I. -I/usr/local/include -I$(CAPIDIR)
COPTS = -O -Wall
CWARN =
CFLAGS = $(COPTS) $(CWARN) $(DEFS)
LIBS = $(CAPIDIR)/libcapi.a
LORDER = sh ./lorder
TSORT = tsort
LN = ln
AR = ar rv
INSTALL = install
RANLIB = ranlib
OSTYPE = `uname -srm | tr " " _`
.SUFFIXES:
.SUFFIXES: .out .o .po .So .s .S .c .cc .cpp .cxx .m .C .f .y .l
.c.o: isdnlogin.h Makefile
${CC} ${CFLAGS} -c $< -o $@
prefix = /usr/local
bindir = $(prefix)/bin
libdir = $(prefix)/lib
incdir = $(prefix)/include
CAPIAPP = isdnlogin
ISDNLOGIN = isdnlogin.o il_capi.o il_tty.o il_call.o il_poll.o \
il_event.o il_proc.o xmodem.o
all: $(CAPIAPP)
# dynamically linked version
isdnlogin: Makefile $(ISDNLOGIN)
$(CC) -o $@ $(CFLAGS) $(ISDNLOGIN) $(LIBS)
# the static version of isdnlogin app
isdnlogin.static: Makefile $(ISDNLOGIN)
$(CC) -o $@ $(CFLAGS) $(ISDNLOGIN) $(CAPIDIR)/libcapi.a
install: all installdirs
@for prog in $(CAPIAPP); \
do \
echo $(INSTALL) $$prog $(bindir); \
$(INSTALL) $$prog $(bindir) || exit 1; \
done
installdirs:
@$(SHELL) mkinstalldirs $(prefix) $(bindir)
dist: Makefile isdnlogin
@echo "Generating distribution for OS $(OSTYPE)"
@rm -f isdnlogin.$(OSTYPE)
@rm -f isdnlogin.$(OSTYPE).gz
@cp isdnlogin isdnlogin.$(OSTYPE)
@strip isdnlogin.$(OSTYPE)
@gzip -9 isdnlogin.$(OSTYPE)
@echo "Your archive is named 'isdnlogin.$(OSTYPE).gz'."
clean:
rm -f $(CAPIAPP)
rm -f core *.o
distclean: clean
rm -f $(CAPIAPP)

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#include "isdnlogin.h"
extern cfg_t cfg;
extern char * prog_logo;
/*******************************************************************
*
*******************************************************************/
call_t *alloc_call(void)
{
call_t *ptrCall;
ptrCall = (call_t *)malloc( sizeof(*ptrCall));
if (!ptrCall) return NULL;
memset( ptrCall, 0, sizeof(*ptrCall));
/*
* open file to transmit
*/
if (cfg.sendfile) {
ptrCall->pFilename = cfg.sendfile;
if (!(ptrCall->txfp=fopen( ptrCall->pFilename, "r"))) {
printf ("Could read from file: <%s>\n", ptrCall->pFilename);
exit ( 1 );
}
if ( cfg.verbose > 2 ) {
printf("Reading from file: <%s>\n", ptrCall->pFilename);
}
}
/* default call settings */
/* add service and controller to call */
ptrCall->active = 1;
ptrCall->ident = cfg.controller; /* controller */
ptrCall->service= cfg.service;
/* set numbers */
setCalledPartyNumber( ptrCall, cfg.rmttelno);
setCallingPartyNumber( ptrCall, cfg.loctelno, 1);
setCalledPartySubaddress( ptrCall, cfg.rmtsubaddr);
setCallingPartySubaddress( ptrCall, cfg.locsubaddr);
/* adjust protocols */
setBprotocol( ptrCall);
setLLC( ptrCall );
setAdditionalInfo( ptrCall );
return ptrCall;
}
/*******************************************************************
*
*******************************************************************/
void free_call( call_t *ptrCall )
{
if (ptrCall) {
if (ptrCall->txfp) {
fclose( ptrCall->txfp);
}
free(ptrCall);
}
}
/*******************************************************************
*
*******************************************************************/
struct userdata *setCalledPartyNumber( call_t *ptrCall,
char *szCalledPartyNumber)
{
size_t len = 0;
ptrCall->CalledPartyNumber.length = 0;
if (szCalledPartyNumber) {
len = strlen( szCalledPartyNumber);
len = min(len, CAPI1_MAXMSGLEN-1);
if (len) {
ptrCall->CalledPartyNumber.data[0] = 0x81;
memcpy( &ptrCall->CalledPartyNumber.data[1],
szCalledPartyNumber, len);
ptrCall->CalledPartyNumber.length = len+1;
}
}
return &ptrCall->CalledPartyNumber;
}
/*******************************************************************
*
*******************************************************************/
struct userdata *setCallingPartyNumber( call_t *ptrCall,
char *szCallingPartyNumber,
int lPresentation)
{
size_t len = 0;
ptrCall->CallingPartyNumber.length = 0;
if (szCallingPartyNumber) {
len = strlen( szCallingPartyNumber);
len = min(len, CAPI1_MAXMSGLEN-1);
if (len) {
ptrCall->CallingPartyNumber.data[0] = 0x01;
ptrCall->CallingPartyNumber.data[1] = lPresentation ? 0x80 : 0xa0;
memcpy( &ptrCall->CallingPartyNumber.data[2],
szCallingPartyNumber, len);
ptrCall->CallingPartyNumber.length = len+2;
}
}
return &ptrCall->CallingPartyNumber;
}
/*******************************************************************
*
*******************************************************************/
struct userdata *setCalledPartySubaddress( ptrCall, szCalledPartySubaddress)
call_t *ptrCall;
char *szCalledPartySubaddress;
{
size_t len;
ptrCall->CalledPartySubaddress.data[0] = 0x80;
if ((len = strlen(szCalledPartySubaddress))) {
memcpy( &ptrCall->CalledPartySubaddress.data[1],
szCalledPartySubaddress, len);
} else {
ptrCall->CalledPartySubaddress.data[1] = 0;
len = 1;
}
ptrCall->CalledPartySubaddress.length = len + 1;
return &ptrCall->CalledPartySubaddress;
}
/*******************************************************************
*
*******************************************************************/
struct userdata *setCallingPartySubaddress( call_t *ptrCall,
char *szCallingPartySubaddress)
{
size_t len;
ptrCall->CallingPartySubaddress.data[0] = 0x80; /* always there */
if ((len = strlen(szCallingPartySubaddress))) {
/* if subaddress suplied use it */
memcpy( &ptrCall->CallingPartySubaddress.data[1],
szCallingPartySubaddress, len);
} else {
ptrCall->CallingPartySubaddress.data[1] = 0;
len = 1;
}
ptrCall->CallingPartySubaddress.length = len + 1; /* one for the type */
return &ptrCall->CallingPartySubaddress;
}
userdata_t *setBprotocol( call_t *ptrCall)
{
userdata_t *data;
struct bprotocol *bprot;
struct b1config *b1cfg;
struct b1config_modem *b1cfg_mdm;
struct b2config *b2cfg;
struct b3config *b3cfg;
bprot = (struct bprotocol *)&ptrCall->Bprotocol;
/* set layer 1 protocol */
PUT_WORD( bprot->b1proto, ptrCall->service->layer1_mask);
/* depending on service set layer 2 protocol */
switch(ptrCall->service->hw) {
case ISDN_HDLC:
PUT_WORD( bprot->b2proto, B2X75);
break;
case FAX_G3:
PUT_WORD( bprot->b2proto, B2T30);
break;
case ISDN_V42:
PUT_WORD( bprot->b2proto, B2X75V42BIS);
break;
case V110_ASYNC:
case TRANS:
case MODEM:
default:
PUT_WORD( bprot->b2proto, B2TRANS);
break;
}
/* check for layer 2 specific settings */
switch (ptrCall->service->hw) {
case FAX_G3:
PUT_WORD( bprot->b3proto, B3T30);
break;
default:
/* layer 3 is always trans for now */
PUT_WORD( bprot->b3proto, B3TRANS);
break;
}
data = (userdata_t *)&bprot->structlen;
/* check if the service has special layer 2 config */
switch(ptrCall->service->hw) {
case V110_ASYNC:
b1cfg = (struct b1config *) data;
/* v110 specific layer 2 params */
PUT_WORD( b1cfg->rate, cfg.speed);
PUT_WORD( b1cfg->bpc, 8);
PUT_WORD( b1cfg->parity, 0);
PUT_WORD( b1cfg->stopbits, 0);
b1cfg->length = sizeof( struct b1config) - 1;
break;
case MODEM:
/* modem specific params */
b1cfg_mdm = (b1config_modem_t *) data;
PUT_WORD( b1cfg_mdm->rate, cfg.speed); /* 0 = max speed */
PUT_WORD( b1cfg_mdm->bpc, 8);
PUT_WORD( b1cfg_mdm->parity, 0);
PUT_WORD( b1cfg_mdm->stopbits, 0);
PUT_WORD( b1cfg_mdm->options, 0);
PUT_WORD( b1cfg_mdm->negotiation, 1); /* allow autoneg */
b1cfg_mdm->length = sizeof( struct b1config_modem) -1;
break;
case FAX_G3:
/* FAX group 3 params */
b1cfg = (struct b1config *) data;
PUT_WORD( b1cfg->rate, cfg.speed);
PUT_WORD( b1cfg->bpc, 0);
PUT_WORD( b1cfg->parity, 0);
PUT_WORD( b1cfg->stopbits, 0);
b1cfg->length = sizeof( struct b1config) - 1;
break;
default:
data->length = 0;
break;
}
data = (userdata_t *)&data->data[data->length];
b2cfg = (struct b2config *) data;
switch(ptrCall->service->hw) {
case ISDN_HDLC:
b2cfg->addressA = 3;
b2cfg->addressB = 1;
b2cfg->moduloMode = 8;
b2cfg->windowSize = 7;
b2cfg->xidlen = 0;
b2cfg->length = sizeof( struct b2config) - 1;
break;
default:
b2cfg->length = 0;
break;
}
data = (userdata_t *)&data->data[data->length];
/* Layer 3 always transparent */
b3cfg = (struct b3config *) data;
b3cfg->length = 0;
bprot->length = (char *)data - (char *)&bprot->length -1;
#if 0
capi_hexdump((char*) bprot, bprot->length, 16, 2);
printf("b1cfg->length=%d\n", b1cfg->length);
printf("b1cfg_mdm->length=%d\n", b1cfg_mdm->length);
printf("b2cfg->length=%d\n", b2cfg->length);
printf("bprot->length=%d\n", bprot->length);
printf("data->length=%d\n", data->length);
//printf("data->structlen=%d\n", data->structlen);
#endif
return (userdata_t *)bprot;
}
userdata_t *setLLC( call_t *ptrCall ) {
userdata_t *llc;
/* Lower Layer Compatibility */
static char llcs[] = { 0x90, 0x88, 0x90, 0x21, 0x42, 0x00, 0xbb };
llc = &ptrCall->llc;
if (ptrCall->service->rate) {
llc = (userdata_t *)&ptrCall->llc;
llcs[4] = cfg.v110_speed; /* set user rate */
memcpy(&ptrCall->llc, &llcs, sizeof(llcs));
llc->length = sizeof(llcs) - 1;
}
return llc;
}
userdata_t *setAdditionalInfo( call_t *ptrCall )
{
struct userdata *add;
struct userdata *data;
add = (struct userdata *)&ptrCall->AdditionalInfo;
data = (struct userdata *)add->data;
data->length = 0; /* b-channel */
data = (struct userdata *)&data->data[data->length];
data->length = 0; /* keypad */
data = (struct userdata *)&data->data[data->length];
memcpy(&data->data[0], prog_logo, strlen(prog_logo));
data->length = strlen(data->data); /* user user data */
data = (struct userdata *)&data->data[data->length];
data->length = 0; /* facility */
data = (struct userdata *)&data->data[data->length];
add->length = (char *)data - (char *)&add->length - 1;
return (struct userdata *)add;
}

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#include "isdnlogin.h"
extern cfg_t cfg;
extern global_t global;
int get_capi_info (void)
{
int i;
int max_controller;
unsigned long controller_mask = 0;
capi_getprofile_t profile;
memset( &profile, 0, sizeof(profile));
#if WITH_RCAPI_LAYER
rcapi_get_profile( 0, &profile, &(cfg.capi_host));
#else
capi2_get_profile( 0, &profile );
#endif
max_controller = profile.ncontrl;
printf("Available CAPI controllers: %d\n", max_controller);
if (max_controller) {
for( i=1; i<33; i++) {
memset( &profile, 0, sizeof(profile));
#if WITH_RCAPI_LAYER
if (!rcapi_get_profile( i, &profile, &(cfg.capi_host))) {
#else
if (!capi2_get_profile( i, &profile)) {
#endif
controller_mask |= (1 << (i-1));
if (!--max_controller) break;
}
}
}
// XXX: doesnt seem to work!
if (!(((1 << cfg.controller)-1) & controller_mask)) {
fprintf( stderr, "No such Controller %d!\n", cfg.controller);
return 1;
}
memset( &profile, 0, sizeof(profile));
#if WITH_RACPI_LAYER
capi2_get_profile( cfg.controller, &profile, &(cfg.capi_host) );
#else
capi2_get_profile( cfg.controller, &profile );
#endif
#if DEBUG /* debug printf */
fprintf( stderr, "ncontrl = 0x%x\n", profile.ncontrl);
fprintf( stderr, "nchannel = 0x%x\n", profile.nchannel);
fprintf( stderr, "options = 0x%x\n", profile.options);
fprintf( stderr, "b1protocol = 0x%x\n", profile.b1protocol);
fprintf( stderr, "b2protocol = 0x%x\n", profile.b2protocol);
fprintf( stderr, "b3protocol = 0x%x\n", profile.b3protocol);
fprintf( stderr, "\n");
#endif
if ( !(profile.b1protocol & (SI_PHONE)) ||
!(profile.b2protocol & (SI_PHONE)) ||
!(profile.b3protocol & (SI_PHONE))) {
fprintf( stderr, "Controller %d: does not support telephony service\n",
cfg.controller);
return 1;
}
return 0;
}
/*******************************************************************
*
*******************************************************************/
int init_capi()
{
int fd;
for(;;) {
if(cfg.verbose > 2){
putchar('R');
}
#if WITH_RCAPI_LAYER
fd = capi2_register( REG_CAPI_MSG_SIZE,
REG_CAPI_LEVEL3CNT,
cfg.usWindowSize,
REG_CAPI_DATA_BLK_SIZE,
NULL,
&(cfg.capi_host),
&(cfg.capi_auth));
#else
fd = capi2_register( REG_CAPI_MSG_SIZE,
REG_CAPI_LEVEL3CNT,
cfg.usWindowSize,
REG_CAPI_DATA_BLK_SIZE,
NULL);
#endif
if(fd >0 ) break;
fprintf( stderr, "capi2_register failed! retry in %d seconds\n",
REGISTER_FAIL_TIMER );
sleep(REGISTER_FAIL_TIMER);
}
return fd;
}
int setListen( call_t *ptrCall, int mask )
{
int ret;
ret = capi2_listen_req( ptrCall->capi_fd,
ptrCall->ident, /* Controller */
0x000001ff, /* Info Mask */
mask, /* CIP Mask */
0, /* CIP Mask2 */
NULL, /* Calling party number */
NULL); /* Calling party subaddress */
return ret;
}
void check_capi (void)
{
if (global.alive_pending > MAX_KEEPALIVE_PENDING) {
global.endloop = E_KeepAliveFailed; /* indicate keepalive overflow */
return;
}
capi_control_req( global.calls->capi_fd, global.calls->ident,
CTRL_CAPISTATE , NULL);
global.alive_pending++;
}
/*******************************************************************
*
*******************************************************************/
int getCapiInfo( union CAPI_primitives *capi )
{
int info;
switch (GET_PRIMTYPE(capi)) {
case CAPI2_LISTEN_CONF:
info = GET_WORD(capi->c2listen_conf.info);
break;
case CAPI2_ALERT_CONF:
info = GET_WORD(capi->c2alert_conf.info);
break;
case CAPI2_CONNECT_CONF:
info = GET_WORD(capi->c2connect_conf.info);
break;
case CAPI2_INFO_CONF:
info = GET_WORD(capi->c2info_conf.info);
break;
case CAPI2_CONNECTB3_CONF:
info = GET_WORD(capi->c2connectb3_conf.info);
break;
case CAPI2_DATAB3_CONF:
info = GET_WORD(capi->c2datab3_conf.info);
break;
case CAPI2_RESETB3_CONF:
info = GET_WORD(capi->c2resetb3_conf.info);
break;
case CAPI2_DISCONNECTB3_CONF:
info = GET_WORD(capi->c2disconnectb3_conf.info);
break;
case CAPI2_DISCONNECT_CONF:
info = GET_WORD(capi->c2disconnect_conf.info);
break;
case CAPI2_FACILITY_CONF:
info = GET_WORD(capi->c2facility_conf.info);
break;
case CAPI2_SELECTB_CONF:
info = GET_WORD(capi->c2selectb_conf.info);
break;
case CAPI2_DISCONNECT_IND:
info = GET_WORD(capi->c2disconnect_ind.reason);
break;
case CAPI2_DISCONNECTB3_IND:
info = GET_WORD(capi->c2disconnectb3_ind.reason_b3);
break;
default:
info = 0;
break;
}
return (info);
}
void doConnect( call_t *ptrCall )
{
ptrCall->messid = capi2_connect_req( ptrCall->capi_fd,
ptrCall->ident & 0x7f,
ptrCall->service->cip,
&ptrCall->CalledPartyNumber,
&ptrCall->CallingPartyNumber,
&ptrCall->CalledPartySubaddress,
&ptrCall->CallingPartySubaddress,
&ptrCall->Bprotocol,
NULL, &ptrCall->llc, NULL,
&ptrCall->AdditionalInfo);
if(cfg.verbose>8) {
printf("messid from capi2_connect_req() == 0x%x\n", ptrCall->messid);
}
NEWSTATE( ptrCall, D_ConnectPending);
}
/*******************************************************************
*
*******************************************************************/
void doDisconnect( call_t *ptrCall )
{
unsigned long plci, ncci;
ncci = ptrCall->ident;
plci = ptrCall->ident & 0xffff;
switch (ptrCall->state) {
case B_ConnectPending:
case Connected:
if(cfg.wait4dataconf && ptrCall->NotAcknowledged) {
if(cfg.verbose>1) {
printf("doDisconnect() wait for %d CAPI2_DATAB3_CONF\n",
ptrCall->NotAcknowledged);
}
/* don't send a capi2_disconnectb3_req() we have to wait */
break;
}
if(ptrCall->NotAcknowledged && cfg.verbose>0) {
printf("doDisconnect() missing %d CAPI2_DATAB3_CONF\n",
ptrCall->NotAcknowledged);
}
capi2_disconnectb3_req( ptrCall->capi_fd,
ncci,
NULL);
break;
case D_ConnectPending:
case B_DisconnectPending:
NEWSTATE( ptrCall, D_DisconnectPending);
capi2_disconnect_req( ptrCall->capi_fd,
plci,
NULL);
break;
case D_DisconnectPending:
case Disconnected:
default:
break;
}
}
#if WITH_UNFINISHED_XMODEM
int SendXmodemData( call_t *ptrCall )
{
char buffer[1024];
size_t len;
xmodem_t *xm = ptrCall->xmodem;
len = fread( buffer, 1, sizeof(buffer), xm->sendfp);
if (len <= 0) {
/* XXX: check for errors */
fclose(xm->sendfp);
}
printf("\nSend XMODEM sector: %d errors: %d ", xm->sentsectcnt, xm->errors);
if (!xmodem_putpkt(xm, buffer, len, ptrCall->error_msg)) {
xmodem_close(xm);
return 0;
}
return 1;
}
#endif
/*******************************************************************
*
*******************************************************************/
void SendData( call_t *ptrCall )
{
static unsigned short usDataHandle;
char buffer[REG_CAPI_DATA_BLK_SIZE];
int len;
if (0== ptrCall->doSend) { return; }
/*
* Read next blk from file into buffer
*/
#if LOGIN_SCRIPT_LINE_BY_LINE
{
char *dataptr;
dataptr = fgets( buffer, sizeof(buffer), ptrCall->txfp);
if (dataptr == NULL) {
/* fgets returned noting, we are out */
ptrCall->doSend = 0;
return;
}
len = strlen(dataptr); /* get line length */
}
#else
/*
* NOTE: Don't know why but if we send data with a length
* equal to REG_CAPI_DATA_BLK_SIZE, the brick gona
* complain about to long packet, so we just send
* half of the max buffer size.
*/
len = fread( buffer, 1, (sizeof(buffer) / 2), ptrCall->txfp);
if (len <= 0) {
if (len < 0) {
perror("\nERR:SendData\n");
}
ptrCall->doSend = 0;
return;
}
#endif
ptrCall->NotAcknowledged++; /* count pending confirms */
usDataHandle++;
capi2_datab3_req( ptrCall->capi_fd,
ptrCall->ident,
buffer,
len,
0,
usDataHandle);
}
/*******************************************************************
*
*******************************************************************/
void handleConnectB3ActiveInd( call_t *ptrCall )
{
if(cfg.verbose > 0) {
printf("Terminate sequence is '%c%c'\n", ESCAPE_CHAR, TERMINATE_CHAR);
}
/* put terminal into raw mode after connect was okay */
set_raw_terminal();
cfg.starttime = time(0);
ptrCall->wasConnected = 1;
ptrCall->doSend = 1;
if (ptrCall->txfp) {
SendData( ptrCall );
}
}
/*******************************************************************
*
*******************************************************************/
int handleDataB3Ind( call_t *ptrCall,
unsigned short messid,
unsigned char *dataptr,
int datalen,
unsigned short handle,
unsigned short flags )
{
#if 0
printf("komisch hab ne data indicationb\n");
capi_hexdump( dataptr, datalen, 16, 2);
#endif
printf("%*.*s", datalen, datalen, dataptr);
return 1; /* response */
}
/*******************************************************************
*
*******************************************************************/
void handleDataB3Conf( call_t *ptrCall,
unsigned short messid,
unsigned short handle )
{
ptrCall->NotAcknowledged--; /* We got a acknowledge */
#ifdef FAX
if(cfg.verbose > 2) {
putchar('c');
}
#endif
if (ptrCall->txfp) {
SendData( ptrCall ); /* Send the next one */
}
}
/*******************************************************************
*
*******************************************************************/
void handleInfoInd( call_t *ptrCall,
unsigned short infonumber,
struct userdata *data )
{
unsigned long mask;
unsigned char *datap = data->data;
switch(infonumber){
default:
if(cfg.verbose>5){
printf("\tINFOIND: 0x%04x\n", infonumber);
capi_hexdump( data->data, data->length, 16, 2);
}
break;
case 0x18: /* IBCHI */
if (*datap & (1<<5)) {
/* primary rate interface */
if (*datap++ & (1<<6)) {
/* interface identifier present */
while((*datap++ & 0x80) == 0);
}
if (*datap++ & (1<<4)) {
cfg.b_channel = 1;
mask = 1;
while(!(mask & *datap)){
mask<<=1;
cfg.b_channel++;
}
}
else {
cfg.b_channel = *datap & 0x7f;
}
}
else {
/* basic rate interface */
cfg.b_channel = *datap & 0x03;
}
if(cfg.verbose>2){
printf("\tINFOIND: ISDN-BCHANNEL %d\n", cfg.b_channel);
}
break;
}
}
/*******************************************************************
*
*******************************************************************/
void handleDisconnectB3Ind( call_t *ptrCall,
unsigned short nReason,
struct userdata *ncpi )
{
int delta_time;
cfg.endtime = time(0);
delta_time = cfg.endtime - cfg.starttime;
reset_terminal();
/* No need for this here
* if (nReason) printf("\tDISCONNECT B3_Reason (0x%04x)\n", nReason);
*/
if(ptrCall->NotAcknowledged && cfg.verbose>0) {
printf("handleDisconnectB3Ind() missing %d CAPI2_DATAB3_CONF\n",
ptrCall->NotAcknowledged);
}
}
/*******************************************************************
*
*******************************************************************/
void handleDisconnectInd( call_t *ptrCall,
unsigned short nReason)
{
printf("ISDN D-channel disconnect, Reason (%04x)\n", nReason);
}

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#include "isdnlogin.h"
extern global_t global;
extern cfg_t cfg;
/*******************************************************************
*
*******************************************************************/
int capi_event( int fd )
{
int info;
int lcause;
unsigned long ident;
unsigned char proto[1024];
unsigned char data[4096];
union CAPI_primitives *capi;
call_t *ptrCall;
lcause = capi2_get_message( fd, &capi,
(union CAPI_primitives *)proto, data, sizeof(data));
/*
* check for errors
*/
switch (lcause) {
case CAPI2_E_MSG_QUEUE_EMPTY: return 0;
case CAPI2_E_INTERNAL_BUSY_CONDITION:
case CAPI2_E_ILLEGAL_APPLICATION:
case CAPI2_E_OS_RESOURCE_ERROR:
/* error occured, stop working */
global.endloop = E_CapiError;
return -1;
default: break;
}
info = getCapiInfo(capi);
if (info) {
/* TODO: some special output function for local output */
capi2_perror("\nCAPI Info", info);
}
/*
* get the call structure
*/
ident = GET_c2IDENT(capi);
#if 0
ptrCall = getCallbyIdent( ident);
printf("CAPI: 0x%08x 0x%08x\n", ident, GET_PRIMTYPE(capi));
#endif
ptrCall = global.calls;
switch (GET_PRIMTYPE(capi)) {
case CAPI2_LISTEN_CONF:
break;
case CAPI2_CONNECT_CONF:
#if 0
ptrCall = getCallbyMessid(GET_MESSID(capi));
#endif
if (ptrCall) {
ptrCall->ident = ident;
if (info) { /* CONNECT_REQ failed -> end program */
global.endloop = E_ConnectFailed;
}
}
break;
case CAPI2_INFO_IND:
capi2_info_resp( fd, GET_MESSID(capi), ident);
if (ptrCall) {
handleInfoInd( ptrCall,
GET_WORD(capi->c2info_ind.info),
(struct userdata *)&capi->c2info_ind.structlen);
}
break;
#if 0
case CAPI2_CONNECT_IND:
if (ptrCall) {
capi2_connect_resp( fd,
(unsigned short)GET_MESSID(capi),
ident,
0, /* accept */
&ptrCall->Bprotocol,
NULL, /* cad */
NULL, /* csa */
NULL, /* llc */
NULL); /* add */
}
break;
#endif
case CAPI2_CONNECTACTIVE_IND:
if (cfg.verbose>8) {
printf("CAPI2_CONNECTACTIVE_IND %lx\n", ident);
}
capi2_connectactive_resp( fd, GET_MESSID(capi), ident);
if (ptrCall) {
NEWSTATE( ptrCall, D_Connected);
if (ptrCall->active) {
NEWSTATE( ptrCall, B_ConnectPending);
capi2_connectb3_req( fd, ident, NULL);
}
}
break;
case CAPI2_CONNECTB3_CONF:
#if 0
ptrCall = getCallbyPlci( ident & 0xffff );
#endif
if (ptrCall) {
/*
* NCCI allocation -> store NCCI for later use
*/
ptrCall->ident = ident;
}
break;
case CAPI2_CONNECTB3ACTIVE_IND:
capi2_connectb3active_resp( fd, GET_MESSID(capi), ident);
if (ptrCall) {
NEWSTATE( ptrCall, Connected);
handleConnectB3ActiveInd( ptrCall );
}
break;
case CAPI2_DATAB3_CONF:
if (ptrCall) {
handleDataB3Conf( ptrCall,
GET_MESSID(capi),
GET_WORD(capi->c2datab3_conf.handle));
}
break;
case CAPI2_DATAB3_IND:
if (ptrCall) {
if (handleDataB3Ind( ptrCall,
GET_MESSID(capi),
(char *)GET_DWORD(capi->c2datab3_ind.dataptr),
GET_WORD( capi->c2datab3_ind.datalen),
GET_WORD( capi->c2datab3_ind.handle),
GET_WORD( capi->c2datab3_ind.flags))) {
capi2_datab3_resp( fd,
GET_MESSID(capi),
ident,
GET_WORD(capi->c2datab3_ind.handle));
}
}
break;
case CAPI2_DISCONNECTB3_IND:
if (ptrCall) {
NEWSTATE( ptrCall, B_DisconnectPending);
handleDisconnectB3Ind( ptrCall,
GET_WORD(capi->c2disconnectb3_ind.reason_b3),
(struct userdata *)&capi->c2disconnectb3_ind.structlen);
}
capi2_disconnectb3_resp( fd,
GET_MESSID(capi),
ident);
if (ptrCall) NEWSTATE( ptrCall, D_DisconnectPending);
capi2_disconnect_req( fd,
ident & 0xffff,
NULL);
break;
case CAPI2_DISCONNECT_IND:
capi2_disconnect_resp( fd,
GET_MESSID(capi),
ident);
if (ptrCall) {
NEWSTATE( ptrCall, Disconnected);
handleDisconnectInd( ptrCall,
GET_WORD(capi->c2disconnect_ind.reason));
}
global.endloop = E_Disconnected;
break;
case CAPI_CONTROL_CONF:
/* decrement alive pendings */
global.alive_pending--;
break;
case CAPI2_ALERT_CONF:
case CAPI2_INFO_CONF:
case CAPI2_DISCONNECTB3_CONF:
case CAPI2_DISCONNECT_CONF:
case CAPI2_FACILITY_CONF:
break;
}
return 0;
}

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#include "isdnlogin.h"
extern global_t global;
/*******************************************************************
*
*******************************************************************/
int pollset( fd, events, func)
int fd;
int events;
int (*func)PROTO((int));
{
int i;
struct pollfd *pfp;
pollag_t *pap;
if (global.npollfds >= MAX_FD) return -1;
for (i=0, pfp=global.pollfds, pap=global.pollags;
i < global.npollfds;
++i, ++pfp, ++pap)
{
if (pfp->fd == fd && pfp->events == events) break;
}
if ( i < global.npollfds) {
printf("poll already set !!\n");
return 0;
}
pfp = global.pollfds + global.npollfds;
pap = global.pollags + global.npollfds;
pfp->fd = fd;
pfp->events = events;
pfp->revents = 0;
if (poll(pfp, 1, 0) == -1) return -1;
pap->func = func;
global.npollfds ++;
return 0;
}
/*******************************************************************
*
*******************************************************************/
int pollloopt(t)
long t;
{
struct pollfd *pfp;
pollag_t *pap;
int i;
int fds;
int donefds;
while (global.npollfds > 0) {
fds = poll(global.pollfds, global.npollfds, t);
switch (fds) {
case -1:
if (errno == EINTR) continue;
if (errno == EAGAIN) continue;
return -1;
case 0:
return 0;
default:
pfp = global.pollfds;
pap = global.pollags;
donefds = 0;
for (i=0; i < global.npollfds; ++i, ++pfp, ++pap) {
if (pfp->revents) {
(*pap->func)(pfp->fd);
pfp->revents = 0;
donefds++;
}
}
return donefds;
break;
}
}
return 0;
}
/*******************************************************************
*
*******************************************************************/
int mypolldel(fd)
int fd;
{
struct pollfd *pfp;
pollag_t *pap;
int i;
for (i=0, pfp=global.pollfds, pap=global.pollags;
i < global.npollfds;
++i, ++pfp, ++pap) {
if (pfp->fd == fd) break;
}
if (i >= global.npollfds) {
errno = ENOENT;
return -1;
}
for (++i, ++pfp, ++pap; i < global.npollfds; ++i, ++pfp, ++pap) {
pfp[-1] = pfp[0];
pap[-1] = pap[0];
}
global.npollfds --;
return 0;
}

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#include "isdnlogin.h"
extern global_t global;
extern cfg_t cfg;
extern char *name;
extern char *prog_logo;
/*******************************************************************
*
*******************************************************************/
int my_kill(void)
{
call_t *ptrCall = NULL;
/* restore terminal settings */
reset_terminal();
mypolldel( STDIN );
ptrCall = global.calls;
if ( ptrCall ) {
free_call( ptrCall );
mypolldel( ptrCall->capi_fd );
}
return 0;
}
/*******************************************************************
*
*******************************************************************/
void catch_signal( int signo )
{
switch (signo) {
case SIGHUP:
check_capi();
break;
default:
if (signo) fprintf( stderr, "\ngot signal (%d)\n", signo);
exit ( 1 );
}
}
/*******************************************************************
*
*******************************************************************/
/*******************************************************************
*
*******************************************************************/
int init_program( int argc, char **argv )
{
name = argv[0];
printf("%s\n", prog_logo);
global.endloop = 0;
global.calls = NULL;
/* store the actual terminal settings */
tcgetattr(0, &(global.oldtermopts));
/* output completely unbuffered */
setbuf(stdout, NULL);
setbuf(stderr, NULL);
setbuf(stdin, NULL);
#ifdef __STDC__
atexit( my_exit );
#else
on_exit( my_exit, 0);
#endif
signal(SIGHUP, catch_signal);
signal(SIGINT, catch_signal);
signal(SIGQUIT, catch_signal);
signal(SIGKILL, catch_signal);
signal(SIGTERM, catch_signal);
signal(SIGUSR1, catch_signal);
signal(SIGUSR2, catch_signal);
return 0;
}

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#include "isdnlogin.h"
extern global_t global;
int tty_event(int fd)
{
size_t len;
call_t *ptrCall = global.calls;
static unsigned short usDataHandle;
char out[REG_CAPI_DATA_BLK_SIZE+1];
char *c = &out[1];
len = read(fd, c, sizeof(out));
/* check for read errors */
if (len <=0) {
switch(errno) {
case EBADF:
printf("read: bad filedescriptor!\n");
return 0;
case EFAULT:
printf("read: Buf points outside the allocated address space.\n");
return 0;
case EIO:
printf("read: An I/O error occurred while reading from the file system.\n");
return 0;
case EINTR:
printf("read: interrupted!\n");
return 0;
case EINVAL:
printf("read: The pointer associated with d was negative.\n");
return 0;
case EAGAIN:
printf("read: no data to read.\n");
return 0;
default:
printf("got read error = %d\n", len);
return 0;
break;
}
}
if (TTYS_ESCAPE_RECV == global.tty_state) {
switch (*c) {
case TERMINATE_CHAR:
global.endloop = E_LocalTerminate;
break;
#if WITH_UNFINISHED_XMODEM
case SENDFILE_CHAR:
/* this feature is not really working now, the first shot
* showed that it's much too slow for ISDN connections. So
* maybe i will never implement this. Also the prompt()
* feature breaks keepalive feature. readbyte() in xmodem.c
* won't work on other messages than DATAB3_IND, so a
* disconnect while in transfer will be ignored. Feel free to
* integrate this feature */
if (ptrCall) {
/* send first data now */
/* TODO: to be implemented here using prompt() function */
char buf[256];
prompt("Local file name? ", buf, sizeof(buf));
printf("buf=%s\n", buf);
ptrCall->xmodem = xmodem_open( ptrCall, 115200, 1, ptrCall->error_msg,
buf);
while ( SendXmodemData(ptrCall) );
if (ptrCall->error_msg) printf("XMODEM error: %s\n", ptrCall->error_msg);
}
break;
#endif
default:
/* nothing */
len++;
out[0] = ESCAPE_CHAR;
c = &out[0];
break;
}
global.tty_state = TTYS_ESCAPE_WAITFOR;
} else if (ESCAPE_CHAR == *c) {
/* eat the tilde */
global.tty_state = TTYS_ESCAPE_RECV;
return 0;
}
/* send data if in right state */
if ((ptrCall) && ptrCall->state == Connected) {
ptrCall->NotAcknowledged++; /* count pending confirms */
usDataHandle++;
capi2_datab3_req( ptrCall->capi_fd,
ptrCall->ident,
c,
len,
0,
usDataHandle);
}
return 0;
}
/* copied from /usr/src/lib/libc/gen/termios.c of FreeBSD because this
* is no POSIX compatible function and not available on any OS such as
* HP-UX or Solaris */
/*
* Make a pre-existing termios structure into "raw" mode: character-at-a-time
* mode with no characters interpreted, 8-bit data path.
*/
void mymakeraw(struct termios *t)
{
t->c_iflag &= ~(IMAXBEL|IXOFF|INPCK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON|IGNPAR);
t->c_iflag |= IGNBRK;
t->c_oflag &= ~OPOST;
t->c_lflag &= ~(ECHO|ECHOE|ECHOK|ECHONL|ICANON|ISIG|IEXTEN|NOFLSH|TOSTOP|PENDIN);
t->c_cflag &= ~(CSIZE|PARENB);
t->c_cflag |= CS8|CREAD;
t->c_cc[VMIN] = 1;
t->c_cc[VTIME] = 0;
}
void reset_terminal(void) {
/* restore old terminal opts */
tcsetattr(0,TCSANOW, &(global.oldtermopts));
}
void set_raw_terminal(void) {
struct termios scheisse;
/* set terminal to raw mode */
memcpy(&scheisse, &(global.oldtermopts), sizeof(scheisse));
mymakeraw(&scheisse);
tcsetattr(0,TCSANOW, &scheisse);
}
void prompt(char *promptmsg, char *inputbuf, size_t buf_len)
{
char *bufptr = inputbuf;
reset_terminal();
mypolldel(STDIN);
printf("%s", promptmsg);
while ((*bufptr = getchar())) {
if (*bufptr == '\n') break;
if (buf_len-- <= 0) break;
//printf("bufptr=%c buf_len=%d\n", *bufptr, buf_len);
bufptr++;
}
*bufptr = '\0';
//printf("end of conversation\n");
pollset( STDIN, POLLIN, tty_event);
set_raw_terminal();
}

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/************************************************************************
* (C)opyright 1991-1999 Andre Ilie, All Rights Reserved
*
* Title: <one line description>
* Author: <username>
* $RCSfile: isdnlogin.c,v $
* $Revision: 74 $
* $Date: 2005-12-22 01:06:50 +0100 (Thu, 22 Dec 2005) $
* $State: Exp $
*
* Type: streams driver/module | application | library
* Products: ALL | XS,XM,XL,XP,BGO,BGP,XCM
* Interfaces: IPI, DLPI
* Libraries: -
* Switches: -
* Description: --
*-----------------------------------------------------------------------
* Current Log:
* -
***********************************************************************/
#include "isdnlogin.h"
/**********************************
* global variables
**********************************/
const char * name = NULL;
const char * prog_logo = "BIANCA/CAPI ISDN Login Client 1.51 by Andrei Ilie <bender@duese.org>";
const char * rcs_id_isdnlogin_c = "$Id: isdnlogin.c,v 1.52 2003/07/30 12:14:36 shoki Exp $";
global_t global; /* global program data */
cfg_t cfg = {
"", /* remote telno */
"+49 911 12345678", /* local telno */
"", /* remote subaddr */
"", /* local subaddr */
DEFAULT_VERBOSE_LEVEL, /* verbose mode */
38400, /* maximum speed */
#if WITH_RCAPI_LAYER
{ CAPI_HOST_DEFAULT, NULL, 0 },
/* capi host info */
{ CAPI_USER_DEFAULT, NULL },
/* capi auth info */
#endif
1, /* controller */
-1, /* b-channel number */
0, /* store start time */
0, /* store end time */
REG_WINDOW_SIZE, /* Window Size */
DEFAULT_WAIT4DATACONF, /* flag */
NULL, /* service */
0, /* v110_rate */
NULL /* file to send */
};
/* for service specific parameters */
static service_t service[] = {
/* name cip rate hw speed layer1_mask */
{ "data", CIP_DATA, 0, ISDN_HDLC, 0, B1HDLC },
{ "telephony", CIP_PHONE, 0, ISDN_HDLC, 0, B1HDLC },
/* TODO: check this out... don't know if it works
{ "faxg3", CIP_FAXG3, 0, FAX_G3, 14400, B1FAXG3 },
{ "faxg4", CIP_FAXG4, 0, ISDN_HDLC, 0, B1HDLC },
{ "t_online", CIP_BTX, 0, ISDN_HDLC, 0, B1HDLC },
{ "datex_j", CIP_BTX, 0, ISDN_HDLC, 0, B1HDLC },
{ "btx", CIP_BTX, 0, ISDN_HDLC, 0, B1HDLC },
{ "v120", CIP_DATA, 0xb9, ISDN_HDLC, 56000, B1HDLC56 },
{ "56k", CIP_DATA, 0, ISDN_HDLC, 56000, B1HDLC56 },
*/
{ "modem", CIP_3KAUDIO,0, MODEM, 0, B1MODEMASYNC },
{ "trans", CIP_DATA, 0, TRANS, 0, B1TRANS },
{ "compr", CIP_DATA, 0, ISDN_V42, 0, B1HDLC },
{ "v110", CIP_DATA, 0x4d, V110_ASYNC, 38400, B1V110TRANS },
{ "", 0, 0, 0, 0, 0 },
};
#ifdef __STDC__
void my_exit( void )
#else
void my_exit( func, arg)
int *func;
caddr_t arg;
#endif
{
my_kill();
}
/*******************************************************************
*
*******************************************************************/
int usage( void )
{
service_t *sv;
int i = 1;
fprintf( stderr, "\nUsage: %s [-%s] <#phone> [service]\n", name,
CMD_LINE_ARGS);
fprintf( stderr, "\tOptions:\n");
#if WITH_RCAPI_LAYER
fprintf( stderr, "\t-b: specify remote CAPI host\n");
fprintf( stderr, "\t-P: specify remote CAPI port\n");
fprintf( stderr, "\t-u: specify remote CAPI user\n");
fprintf( stderr, "\t-p: specify remote CAPI password\n");
#endif
fprintf( stderr, "\t-l: specify local phone number\n");
fprintf( stderr, "\t-s: specify maximum transfer speed in bps\n");
fprintf( stderr, "\t-c: specify ISDN controller to use [1..n]\n");
fprintf( stderr, "\t-q: use quiet mode\n");
fprintf( stderr, "\t-C: specify file to send after dialin (autologin)\n");
fprintf( stderr, "\t-v: specify verbose level (default=%d)\n",
DEFAULT_VERBOSE_LEVEL);
fprintf( stderr, "\t-w: specify data window size (default=%d)\n",
REG_WINDOW_SIZE);
fprintf( stderr, "\t-W: wait for DATAB3_CONF before DISCONNECTB3_REQ (default=%d)\n",
DEFAULT_WAIT4DATACONF);
fprintf( stderr, "\nServices:\n\t" );
for (sv = service; *sv->name; sv++) {
fprintf(stderr, "%s ", sv->name);
if (!(i++%6)) fprintf(stderr, "\n\t");
}
fprintf( stderr, "\n");
exit(1);
}
void get_service(char *serv)
{
service_t *sv;
cfg.service = service; /* default service is the frist one */
/* get or guess service type */
if (serv != NULL) {
for (sv = service; *sv->name; sv++) {
if (!strncmp( serv, sv->name, strlen(serv))) {
/* got service in table, save pointer to it */
cfg.service = sv;
break;
}
}
if (!*sv->name) {
fprintf( stderr, "Service '%s' not found, using '%s'.\n",
serv, cfg.service->name);
}
}
}
void set_speed(void)
{
/* adjust speed setting */
switch (cfg.speed) {
/* speed is in range */
case 1200: cfg.v110_speed = 0x42; break;
case 2400: cfg.v110_speed = 0x43; break;
case 4800: cfg.v110_speed = 0x45; break;
case 9600: cfg.v110_speed = 0x48; break;
case 14400: cfg.v110_speed = 0x49; break; /* XXX: broken */
case 19200: cfg.v110_speed = 0x4b; break;
case 38400: cfg.v110_speed = 0x4d; break;
default:
/* if service specific max speed given use this */
printf("Invalid speed setting %d bps! ", cfg.speed);
if (cfg.service->speed) {
cfg.speed = cfg.service->speed;
cfg.v110_speed = cfg.service->rate;
} else {
cfg.speed = 1200; /* min rate */
cfg.v110_speed = 0x42;
}
printf("Speed set to %d bps\n", cfg.speed);
break;
}
}
int exit_handler (exit_t type)
{
int exitval;
switch (type) {
case E_LocalTerminate:
printf("Local terminate requested.\n");
exitval = 0;
break;
case E_KeepAliveFailed:
printf( "CAPI keepalive failed (%d pending)!\n" ,
global.alive_pending);
exitval = 1;
break;
case E_ConnectFailed:
printf("Could not connect to remote system!\n");
exitval = 1;
break;
case E_CapiError:
printf("Got fatal CAPI error!\n");
exitval = 1;
break;
case E_PollError:
printf("Got fatal poll error!\n");
exitval = 1;
break;
case E_Disconnected:
exitval = 0;
break;
default:
exitval = 1;
break;
}
return (exitval);
}
int get_options (int argc, char **argv)
{
int i;
extern int optind;
extern char *optarg;
/*
* get options
*/
while ((i = getopt( argc, argv, CMD_LINE_ARGS )) != EOF) switch (i) {
case 'l': strncpy( cfg.loctelno, optarg, sizeof(cfg.loctelno)); break;
#if WITH_RCAPI_LAYER
case 'b': cfg.capi_host.hostname = strdup(optarg); break;
case 'P': cfg.capi_host.port = atoi(optarg); break;
case 'u': cfg.capi_auth.user = strdup(optarg); break;
case 'p': cfg.capi_auth.passwd = strdup(optarg); break;
#endif
case 'c': cfg.controller = atoi(optarg); break;
case 's': cfg.speed = atoi(optarg); break;
case 'q': cfg.verbose = 0; break;
case 'v': cfg.verbose = atoi(optarg); break;
case 'C': cfg.sendfile = strdup(optarg); break;
case 'w': cfg.usWindowSize = atoi(optarg); break;
case 'W': cfg.wait4dataconf = atoi(optarg); break;
case '?':
case 'h':
default: usage();
}
if (optind < argc) {
strncpy( cfg.rmttelno, argv[optind++], sizeof(cfg.rmttelno));
} else {
usage();
return 1;
}
return 0;
}
/*******************************************************************
*
*******************************************************************/
int main( int argc, char **argv )
{
call_t *ptrCall;
int ret;
#if CHECK_CAPI
int timeout = KEEP_ALIVE_TIMER;
#else
int timeout = -1; /* inifinite poll */
#endif
init_program(argc, argv);
if (get_options(argc, argv)) exit(1);
/* service specific settings */
get_service(argv[optind]);
set_speed();
/* CAPI stuff */
if (get_capi_info()) exit( 1 );
/* allocate first call instance */
ptrCall = alloc_call();
global.calls = ptrCall;
if (!ptrCall) {
fprintf( stderr, "failed to allocate call!\n");
exit ( 1 );
}
/* do register */
ptrCall->capi_fd = init_capi();
if (ptrCall->capi_fd <= 0) {
exit ( 1 );
}
// For server mode
//setListen(ptrCall, ptrCall->service->cip);
printf("Trying...\n");
doConnect( ptrCall );
/* poll on STDIN for incoming packets */
pollset( STDIN, POLLIN, tty_event);
/* poll on capi for incoming packets */
pollset( ptrCall->capi_fd, POLLIN, capi_event);
/* poll fds for incoming packets and handel them */
while (!global.endloop) {
ret = pollloopt(timeout);
switch(ret) {
case -1:
/* poll error */
global.endloop = E_PollError;
break;
case 0:
/* got timeout */
#if CHECK_CAPI
/* check capi when we have time for it */
check_capi();
#endif
break;
default:
/* did some work on fds */
break;
}
}
/* reset terminal to unraw mode and output failure messages */
reset_terminal();
exit(exit_handler(global.endloop));
}

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#include <signal.h>
#include <sys/ioctl.h> /* for tcsetattr */
#include <termios.h>
#include <sys/types.h>
#include <sys/poll.h>
#include <libcapi.h> /* for the fucking types CONST &&& */
#include "xmodem.h"
#define DEBUG 0
#define STDIN fileno(stdin)
#define STDOUT fileno(stdout)
#define CAPI_HOST_DEFAULT "struppi.dev.bintec.de"
#define CAPI_USER_DEFAULT "default"
#define MAX_FD 64
#define CMD_LINE_ARGS "?hqC:l:c:s:w:W:v:b:p:u:P:"
#define DEFAULT_VERBOSE_LEVEL 2
#define DEFAULT_WAIT4DATACONF 0 /* flag */
#define REGISTER_FAIL_TIMER 30 /* seconds */
#define CHECK_CAPI 1 /* keepalive capi and indicate broken connection */
#define MAX_KEEPALIVE_PENDING 0
#define KEEP_ALIVE_TIMER 5*1000 /* milliseconds */
#define LOGIN_SCRIPT_LINE_BY_LINE 0 /* send each login script line
* in one data_ind instead of
* block based sending
*/
#define WITH_UNFINISHED_XMODEM 0 /* enable/disable Xmodem upload feature
* (*broken*)
*/
#define WITH_RCAPI_LAYER 0 /* enable/disbale using of rcapi functions
* which allow to pass a
* hostname and user to the
* capi. the problem is that
* the code is still buggy and
* won't work always */
/* tty stories */
#define TTYS_ESCAPE_WAITFOR 0
#define TTYS_ESCAPE_RECV 1
#define ESCAPE_CHAR '~'
#define TERMINATE_CHAR '.'
#define SENDFILE_CHAR '>'
#define MAX_CMD_SIZE 256
#define NEWSTATE( ptrCall, newstate) (ptrCall)->state = newstate;
#define REG_CAPI_MSG_SIZE 1024
#define REG_CAPI_LEVEL3CNT 1
#define REG_CAPI_DATA_BLK_SIZE 1400 /* mtu=1500-(tcp+capi)header */
#define REG_WINDOW_SIZE 7 /* TODO with 10 fax aborts */
#define ISDN_HDLC 0 /* ISDN HDLC service mode */
#define V110_ASYNC 1 /* V.110 Async service */
#define TRANS 4 /* transparent */
#define MODEM 5 /* modem service */
#define FAX_G3 6 /* FAX group 3 */
#define ISDN_V42 7 /* HDLC X.75 with V.42bis */
#define CIP_DATA 2
#define CIP_PHONE 1
#define CIP_3KAUDIO 4
#define CIP_FAXG3 17
#define CIP_FAXG4 18
#define CIP_BTX 20 /* not sure about this */
#define TRUE 1
#define FALSE 0
#undef max
#undef min
#define max(a,b) (((a)>(b))?(a):(b))
#define min(a,b) (((a)<(b))?(a):(b))
/* exit states */
enum exit_e {
E_LocalTerminate = 1,
E_KeepAliveFailed,
E_ConnectFailed,
E_CapiError,
E_PollError,
E_Disconnected
};
typedef enum exit_e exit_t;
/* call states */
enum state_e {
Disconnected,
D_ConnectPending,
D_Connected,
B_ConnectPending,
Connected,
B_DisconnectPending,
D_DisconnectPending,
};
/* store services here */
typedef struct service_s service_t ;
struct service_s {
const char *name;
unsigned char cip, rate, hw;
int speed;
int layer1_mask;
};
/**********************************
* call specific data
**********************************/
typedef struct call_s call_t;
struct call_s {
call_t *next;
/*
* name and handle for file to transmit
*/
CONST char *pFilename;
FILE *txfp;
/* for Xmodem sending */
xmodem_t *xmodem;
char error_msg[80]; /* xmodem error message buffer */
/*
* static configuration data
*/
struct userdata CallingPartyNumber;
struct userdata CalledPartyNumber;
struct userdata CallingPartySubaddress;
struct userdata CalledPartySubaddress;
struct userdata Bprotocol;
/* service specfic configuration */
service_t *service;
userdata_t llc;
userdata_t AdditionalInfo;
/*
* dynamic link data
*/
int capi_fd;
enum state_e state;
unsigned short messid; /* message number */
unsigned long ident; /* contrl, plci, ncci */
unsigned active:1; /* active, passive side */
unsigned doSend:1;
unsigned wasConnected:1;
unsigned NotAcknowledged;/* count datab3_req not ack */
};
typedef struct cfg_s cfg_t;
struct cfg_s {
char rmttelno[40];
char loctelno[40];
char rmtsubaddr[40];
char locsubaddr[40];
int verbose;
int speed;
#if WITH_RCAPI_LAYER
rcapi_host_t capi_host;
rcapi_auth_t capi_auth;
#endif
int controller;
int b_channel;
time_t starttime;
time_t endtime;
unsigned short usWindowSize;
int wait4dataconf;
service_t *service;
unsigned char v110_speed;
char *sendfile;
};
typedef struct pollag_s pollag_t;
struct pollag_s {
int (*func)(int);
};
typedef struct global_s global_t;
struct global_s {
exit_t endloop;
call_t *calls;
struct termios oldtermopts;
size_t alive_pending;
int tty_state;
/* pollshiting */
int npollfds;
struct pollfd pollfds[MAX_FD];
pollag_t pollags[MAX_FD];
};
/*******************************************************************
* other call struct specific includes
*******************************************************************/
#include "xmodem.h" /* for xmodem functions */
/*******************************************************************
* local proto's
*******************************************************************/
void catch_signal (int signo);
int start_external (void);
int pollset (int fd, int events, int (*func)(int));
int pollloopt ( long t );
int mypolldel ( int fd );
call_t *alloc_call (void);
void free_call ( call_t *ptrCall );
/* TODO: replace with userdata_t */
struct userdata *setCalledPartyNumber ( call_t *ptrCall, char *szCalledPartyNumber);
struct userdata *setCallingPartyNumber ( call_t *ptrCall, char *szCallingPartyNumber, int lPresentation);
struct userdata *setCalledPartySubaddress ( call_t *ptrCall, char *szCalledPartySubaddress);
struct userdata *setCallingPartySubaddress ( call_t *ptrCall, char *szCallingPartySubaddress);
userdata_t *setBprotocol( call_t *ptrCall );
userdata_t *setLLC ( call_t *ptrCall );
userdata_t *setAdditionalInfo( call_t *ptrCall );
int setListen( call_t *ptrCall, int mask );
int getCapiInfo ( union CAPI_primitives *capi );
void doDisconnect ( call_t *ptrCall );
void doConnect ( call_t *ptrCall );
void SendData ( call_t *ptrCall );
void handleConnectB3ActiveInd ( call_t *ptrCall );
int handleDataB3Ind ( call_t *ptrCall, unsigned short messid, unsigned char *dataptr, int datalen, unsigned short handle, unsigned short flags );
void handleDataB3Conf ( call_t *ptrCall, unsigned short messid, unsigned short handle);
void handleInfoInd ( call_t *ptrCall, unsigned short infonumber, struct userdata *data);
void handleDisconnectB3Ind ( call_t *ptrCall, unsigned short nReason, struct userdata *ncpi);
void handleDisconnectInd ( call_t *ptrCall, unsigned short nReason);
int capi_event ( int fd );
int usage ( void );
int init_capi ( void);
int init_program (int argc, char **argv);
void mymakeraw (struct termios *t);
void reset_terminal (void);
void set_raw_terminal (void);
int get_capi_info (void);
int tty_event (int fd);
void prompt (char *promptmsg, char *inputbuf, size_t buf_len);
void check_capi (void);
int my_kill (void);
void get_service (char *serv);
void set_speeed (void);
int exit_handler (exit_t type);
int get_options (int argc, char **argv);
int main ( int argc, char **argv );
#if WITH_UNFINISHED_XMODEM
/* XModem stuff */
extern xmodem_t *xmodem_open(call_t *ptrCall, int baud, int one_kb, char *emsg, char *filename);
extern int xmodem_getpkt(xmodem_t *x, char *rbuf, int *lenp, char *emsg);
extern int xmodem_putpkt(xmodem_t *x, char *sbuf, int len, char *emsg);
extern void xmodem_cancel(xmodem_t *x);
extern void xmodem_close(xmodem_t *x);
extern int xmodem_onekb(xmodem_t *x);
#endif
#ifdef __STDC__
void my_exit ( void );
#else
void my_exit ( int *func, caddr_t arg);
#endif

40
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@ -0,0 +1,40 @@
#! /bin/sh
# mkinstalldirs --- make directory hierarchy
# Author: Noah Friedman <friedman@prep.ai.mit.edu>
# Created: 1993-05-16
# Public domain
# $Id: mkinstalldirs,v 1.1 2002/11/08 14:53:43 shoki Exp $
errstatus=0
for file
do
set fnord `echo ":$file" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'`
shift
pathcomp=
for d
do
pathcomp="$pathcomp$d"
case "$pathcomp" in
-* ) pathcomp=./$pathcomp ;;
esac
if test ! -d "$pathcomp"; then
echo "mkdir $pathcomp"
mkdir "$pathcomp" || lasterr=$?
if test ! -d "$pathcomp"; then
errstatus=$lasterr
fi
fi
pathcomp="$pathcomp/"
done
done
exit $errstatus
# mkinstalldirs ends here

679
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/************************************************************************
* (C)opyright 1991-1999 BinTec Communications AG, All Rights Reserved
*
* Title: XMODEM transfer functions
* Author: bernd
* $RCSfile: xmodem.c,v $
* $Revision: 74 $
* $Date: 2005-12-22 01:06:50 +0100 (Thu, 22 Dec 2005) $
* $State: Exp $
*
* Type: library
* Products: ALL
* Interfaces: -
* Libraries: -
* Switches: -
* Description: --
*-----------------------------------------------------------------------
* Current Log:
***********************************************************************/
#ifdef USE_RCSID_C
static const char _rcsid_xmodem_c[] __UNUSED = "$Id: xmodem.c,v 1.2 2003/07/30 11:26:56 shoki Exp $";
#endif
#if WITH_UNFINISHED_XMODEM
#include "isdnlogin.h"
#define TRACE printf
static void trace(const char *fmt, ...)
{ }
/*
* CRC-16 constant array... from Usenet contribution by Mark G. Mendel,
* Network Systems Corp. (ihnp4!umn-cs!hyper!mark)
*/
static unsigned short crctab[1 << B] = {
0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
};
/*******************************************************************************
* function: readbyte
* Read one byte from data stream (with timeout)
* parameters:
* fd i/o pathes of data stream
* seconds timeout
* return: byte or TIMEOUT
******************************************************************************/
static int readbyte(rwfd_t fd, int seconds)
{
struct pollfd pfd;
unsigned char c;
unsigned char proto[1024];
unsigned char data[4096];
union CAPI_primitives *capi;
int lcause;
do {
if (capi2_wait_for_signal(fd.rd, seconds * 1000 ) == CAPI2_E_MSG_QUEUE_EMPTY) {
printf("readbyte timeout %d\n", seconds);
return TIMEOUT;
} else {
lcause = capi2_get_message( fd.rd, &capi,
(union CAPI_primitives *)proto, &c, 1);
//printf("capi=%x\n", GET_PRIMTYPE(capi));
}
} while (GET_PRIMTYPE(capi) != CAPI2_DATAB3_IND);
capi2_datab3_resp( fd.rd,
GET_MESSID(capi),
fd.ident,
GET_WORD(capi->c2datab3_ind.handle));
return c;
}
/*******************************************************************************
* function: readdata
* Read block of data from given i/o pathes (with timeout)
* parameters:
* x xmodem handle
* bufsize receiver buffer size
* checksum accumulated crc
* return: data byte or TIMEOUT
******************************************************************************/
static int readdata(xmodem_t *x, int bufsize, int *checksum)
{
int c; /* character being processed */
unsigned short chksm; /* working copy of checksum */
int j; /* loop index */
chksm = 0;
for (j = 0; j < bufsize; j++) {
if ((c = readbyte(x->fd, 1)) == TIMEOUT) { /* 1s timeout */
return TIMEOUT;
}
x->buf[j] = c & 0xff;
if (x->crcmode) /* CRC */
chksm = (chksm << B) ^ crctab[(chksm >> (W - B)) ^ c];
else /* checksum */
chksm = ((chksm + c) & 0xff);
}
*checksum = chksm;
TRACE("XMODEM read (%d bytes)", j);
return (0);
}
/*******************************************************************************
* function: sendbyte
* Write one byte to data stream
* parameters:
* fd i/o pathes of data stream
* data data byte
* return: -
******************************************************************************/
static void sendbyte(rwfd_t fd, char data)
{
TRACE("XMODEM write (%d bytes)", 1);
//write(fd.wr, &data, 1);
capi2_datab3_req( fd.wr, fd.ident, &data, 1, 0, fd.handle);
}
/*******************************************************************************
* function: purge
* Wait for the line to clear (read rest)
* parameters:
* fd i/o pathes of data stream
* return: -
******************************************************************************/
static void purge(rwfd_t fd)
{
int c;
while ((c = readbyte(fd, 1)) != TIMEOUT) ;
}
/*******************************************************************************
* function: purge
* Send CAN twice
* parameters:
* fd i/o pathes of data stream
* return: -
******************************************************************************/
static void cancel(rwfd_t fd)
{
sendbyte(fd, CAN);
sendbyte(fd, CAN);
purge(fd);
sendbyte(fd, CAN);
sleep(1);
}
/*******************************************************************************
* function: xmodem_open
* Open console and set baud rate
* parameters:
* dev device name (e.g. "consexcl")
* or NULL for stdio (baud rate ignored!)
* baud baud rate [baud]
* one_kb xmodem-1k mode enable
* emsg buffer for error message (80 bytes)
* return: xmodem ptr or error (NULL)
******************************************************************************/
xmodem_t *xmodem_open(call_t *ptrCall, int baud, int one_kb, char *emsg, char *filename)
{
int fd;
xmodem_t *x = malloc(sizeof *x);
if (!x) {
if (emsg) sprintf(emsg, "XMODEM: out of memory");
return 0;
}
memset(x, 0, sizeof *x);
reset_terminal(); /* unraw terminal */
if (ptrCall) {
/*------------------------------+
| i/o via stdio pathes |
+------------------------------*/
TRACE("XMODEM via CAPI");
x->conmode = 0;
x->fd.rd = ptrCall->capi_fd; /* use stdio pathes */
x->fd.wr = ptrCall->capi_fd;
x->fd.ident = ptrCall->ident;
} else {
TRACE("XMODEM via stdio");
x->conmode = 0;
x->fd.rd = STDIN;
x->fd.wr = STDOUT;
}
if (filename) {
x->sendfp = fopen(filename, "r");
/* XXX: check for fopen errors here */
if (!x->sendfp) {
/* failure */
return 0;
}
} else {
TRACE("XMODEM no filename to send specified");
return 0;
}
x->failed = FALSE;
x->crcmode = TRUE;
x->rcvstartch = x->crcmode ? CRCCHR : NAK;
x->one_kb = one_kb & 1; /* only relevant for sending packets */
x->starttime = time(NULL);
return x;
}
/*******************************************************************************
* function: xmodem_onekb
* Return if modem-1k mode enabled
* parameters:
* x xmodem ptr
* return: modem-1k mode enabled (1) or not (0)
******************************************************************************/
int xmodem_onekb(xmodem_t *x)
{
return x->one_kb;
}
/*******************************************************************************
* function: xmodem_cancel
* Send CAN to stop an unterminated getpkt transfer
* parameters:
* x xmodem ptr
* return: -
******************************************************************************/
void xmodem_cancel(xmodem_t *x)
{
cancel(x->fd);
}
/*******************************************************************************
* function: xmodem_close
* Close device and free memory
* parameters:
* x xmodem ptr
* return: success (0) or error code
******************************************************************************/
void xmodem_close(xmodem_t *x)
{
time_t tdiff;
if (x->fd.rd != -1) {
if (x->conmode) {
close(x->fd.rd);
}
}
if (x->sendfp) {
fclose (x->sendfp); /* close opened file to send */
x->sendfp = NULL;
}
x->fd.rd = -1;
if (x->starttime) {
tdiff = time(NULL) - x->starttime;
printf("duration: %d\n", tdiff );
}
free(x);
set_raw_terminal(); /* enable raw terminal mode */
}
#ifdef USE_UNPORTED
/*******************************************************************************
* function: xmodem_getpkt
* Receive one XMODEM-Packet and write it into buf
*
* The length of the packet is written into (*lenp).
* An error message is written into emsg.
* The length of data packets (128/1024) is determined by the remote site
* parameters:
* x xmodem ptr
* buf data packet buffer (1024 bytes)
* lenp length of the data packet
* emsg buffer for error message (80 bytes)
* return: status code
* XMODEM_RCVPKT: successfully received one packet
* XMODEM_EOT: received End-of-Transmission character
* XMODEM_ERROR: receive failed
******************************************************************************/
int xmodem_getpkt(xmodem_t *x, char *buf, int *lenp, char *emsg)
{
int checksum, /* packet checksum */
firstchar, /* first character of a packet */
sectcurr, /* second byte of packet--should be packet */
/* number (mod 128) */
sectcomp, /* third byte of packet--should be complement */
/* of sectcurr */
errorflag, /* set true when packet (or first char of */
/* putative packet) is invalid */
inchecksum, /* incoming checksum or CRC */
msb, lsb, /* incoming checksum (upper/lower byte) */
duplicate, /* got duplicate packet */
timeout, /* read timeout */
bufsize; /* packet size (128 or 1024) */
sendbyte(x->fd, x->rcvstartch);
restart:
bufsize = 128;
errorflag = FALSE;
duplicate = FALSE;
timeout = FALSE;
*lenp = 0;
do { /* start by reading first byte in packet */
if ((firstchar = readbyte(x->fd, 4)) == TIMEOUT) {
errorflag = timeout = TRUE;
goto abort;
}
} while ((firstchar != SOH)
&& (firstchar != STX)
&& (firstchar != EOT)
&& (firstchar != ACK || x->recvsectcnt > 0)
&& (firstchar != CAN));
if (firstchar == EOT) { /* check for REAL EOT */
TRACE("EOT");
if (readbyte(x->fd, 1) != TIMEOUT) {
errorflag = timeout = TRUE;
TRACE("ignoring extra characters");
goto abort;
}
}
if (firstchar == CAN) { /* bailing out? */
TRACE("CAN");
if ((readbyte(x->fd, 3) & 0x7f) == CAN) {
sleep(1);
if (emsg) strcpy(emsg, "XMODEM: canceled by user");
return XMODEM_ERROR;
} else {
errorflag = TRUE;
goto abort;
}
}
if (firstchar == SOH || firstchar == STX) { /* start reading packet */
bufsize = (firstchar == SOH) ? 128 : 1024;
if (x->recvsectcnt == 0) { /* 1st data packet, initialize */
if (bufsize == 1024) {
TRACE("1K packet mode chosen");
}
x->errors = 0;
x->got_eot = 0;
}
if ((sectcurr = readbyte(x->fd, 3)) == TIMEOUT ||
(sectcomp = readbyte(x->fd, 3)) == TIMEOUT) {
errorflag = timeout = TRUE;
goto abort;
}
TRACE("%s: sectcurr=0x%02x sectcomp=0x%02x",
firstchar==SOH ? "SOH":"STX", sectcurr, sectcomp);
if ((sectcurr + sectcomp) == 0xff) { /* is packet number
* checksum correct? */
if (sectcurr == ((x->sectnum + 1) & 0xff)) {
/*
* Read, process and calculate checksum for a buffer of
* data
*/
if ((readdata(x, bufsize, &checksum)) == TIMEOUT) {
errorflag = timeout = TRUE;
goto abort;
}
/* verify checksum or CRC */
if (x->crcmode) {
checksum &= 0xffff;
/* get 16-bit CRC */
if ((msb = readbyte(x->fd, 3)) == TIMEOUT ||
(lsb = readbyte(x->fd, 3)) == TIMEOUT) {
errorflag = timeout = TRUE;
goto abort;
}
inchecksum = (msb << 8) | lsb;
} else {
/* get simple 8-bit checksum */
if ((inchecksum = readbyte(x->fd, 3)) == TIMEOUT) {
errorflag = timeout = TRUE;
goto abort;
}
}
if (inchecksum == checksum) { /* good checksum, hence
* good packet */
x->errors = 0;
x->recvsectcnt += (bufsize == 128) ? 1 : 8;
x->sectnum = sectcurr;
memcpy(buf, x->buf, bufsize);
*lenp = bufsize;
x->rcvstartch = ACK;
}
/*
* Start handling various errors and special
* conditions
*/
else { /* bad checksum */
TRACE("checksum error crcmode=%d: inchecksum=%x crc=%x",
x->crcmode, inchecksum, checksum);
errorflag = TRUE;
}
} else { /* sector number is wrong */
if (sectcurr == x->sectnum) { /* duplicate sector? */
errorflag = TRUE;
duplicate = TRUE;
TRACE("duplicate sector");
while (readbyte(x->fd, 3) != TIMEOUT);
} else { /* no, real phase error */
errorflag = TRUE;
x->failed = TRUE;
cancel(x->fd);
TRACE("phase error, expected sector=%d", x->recvsectcnt);
}
}
} else { /* bad packet number checksum */
TRACE("wrong header sector number");
errorflag = TRUE;
}
} /* END reading packet loop */
abort:
if (timeout) TRACE("timeout sector=%d", x->recvsectcnt);
if ((errorflag && !x->failed) || x->recvsectcnt == 0) {
if (errorflag) x->errors++;
if (x->recvsectcnt != 0) {
while (readbyte(x->fd, 3) != TIMEOUT) ;/* wait for line to settle if
* not beginning */
}
if (duplicate) {
sendbyte(x->fd, ACK);
} else if (x->crcmode && x->recvsectcnt == 0 && x->errors == CRCSWMAX) {
x->crcmode = FALSE;
TRACE("CRC mode not accepted");
purge(x->fd);
sendbyte(x->fd, NAK);
} else if (!x->crcmode && x->recvsectcnt == 0 && x->errors == CRCSWMAX){
x->crcmode = TRUE;
TRACE("checksum mode not accepted");
purge(x->fd);
sendbyte(x->fd, CRCCHR);
} else if (x->crcmode && x->recvsectcnt == 0) {
purge(x->fd);
sendbyte(x->fd, CRCCHR);
} else {
purge(x->fd);
sendbyte(x->fd, NAK);
}
}
if (firstchar == EOT) {
x->got_eot = 1;
sendbyte(x->fd, ACK);
sleep(1);
return XMODEM_EOT;
} else if (x->failed || x->errors >= ERRORMAX) {
cancel(x->fd);
x->failed = 1;
if (emsg) strcpy(emsg, "XMODEM: too many errors");
return XMODEM_ERROR;
} else if (errorflag) {
goto restart;
} else {
return XMODEM_RCVPKT;
}
}
#endif
/*******************************************************************************
* function: xmodem_putpkt
* Send one XMODEM packet
*
* The protocol packet length is 128 or 1024 bytes padded with CTRL-Z.
* If len argument is not 128/1024, this is the last packet and an EOT is
* sent to the remote site after sending the data packet.
* If the last packet sent had 128/1024 bytes, the application must invoke
* this funktion again with len=0 to indicate EOT.
* parameters:
* x xmodem ptr
* buf data packet buffer (1024 bytes)
* len length of the data packet
* emsg buffer for error message (80 bytes)
* return: 0 if error
******************************************************************************/
int xmodem_putpkt(xmodem_t *x, char *data, int len, char *emsg)
{
int bufctr; /* array index for data buffer */
unsigned short checksum; /* checksum/crc */
int attempts, /* number of attempts made to xmit a packet */
sendfin, /* flag that we are sending the last packet */
bbufcnt, /* array index for packet */
firstchar, /* first character in protocol transaction */
bufsize, /* packet size (128 or 1024) */
sendresp; /* response char received from remote */
char *cp = data;
bufsize = x->one_kb ? 1024 : 128;
sendfin = FALSE;
attempts = 0;
if (!x->got_ack) { /* sending first packet */
x->crcmode = FALSE; /* Receiver determines use of crc or checksum */
x->sectnum = 1;
do {
/* wait for and read startup character */
while (
(firstchar = readbyte(x->fd, 30)) != NAK
&& firstchar != CRCCHR
&& firstchar != CAN
) {
if (++attempts > NAKMAX) {
if (emsg) strcpy(emsg,
"XMODEM: remote system not responding");
x->failed = 1;
return 0;
}
}
if ((firstchar & 0x7f) == CAN) {
TRACE("CAN");
if (readbyte(x->fd, 3) == CAN) {
if (emsg) sprintf(emsg, "XMODEM: canceled by user");
x->failed = 1;
return 0;
}
}
if (firstchar == CRCCHR) {
x->crcmode = TRUE;
TRACE("CRC mode requested");
}
} while (firstchar != NAK && firstchar != CRCCHR);
}
if (len == 0) goto sendeot;
bbufcnt = 0; /* start building buf to be sent */
x->buf[bbufcnt++] = (bufsize == 1024) ? STX : SOH;
x->buf[bbufcnt++] = x->sectnum; /* current sector # */
x->buf[bbufcnt++] = ~x->sectnum; /* and its complement */
checksum = 0;
for (bufctr=0; bufctr < bufsize; bufctr++) {
if (bufctr >= len) {
sendfin = TRUE; /* this is the last sector */
x->buf[bbufcnt + bufctr] = CTRLZ; /* Control-Z for CP/M EOF */
} else {
x->buf[bbufcnt + bufctr] = *cp++;
}
if (x->crcmode) {
checksum = (checksum<<B) ^ crctab[(checksum>>(W-B)) ^ x->buf[bbufcnt + bufctr]];
} else {
checksum = ((checksum + x->buf[bbufcnt + bufctr]) & 0xff);
}
}
bbufcnt += bufsize;
if (x->crcmode) { /* put in CRC */
checksum &= 0xffff;
x->buf[bbufcnt++] = ((checksum >> 8) & 0xff);
x->buf[bbufcnt++] = (checksum & 0xff);
} else { /* put in checksum */
x->buf[bbufcnt++] = checksum;
}
attempts = 0;
do { /* inner packet loop */
TRACE("XMODEM write (%d bytes) ", bbufcnt);
//write(x->fd.wr, x->buf, bbufcnt); /* write the buf */
x->fd.handle++; /* increase data handle var for capi */
capi2_datab3_req( x->fd.wr, x->fd.ident, x->buf, bbufcnt, 0, x->fd.handle);
TRACE("%s: sectcurr=0x%02x", x->buf[0]==SOH ? "SOH":"STX", x->sectnum);
#if 0
TRACE("%d byte %02xh (%02xh) sent, checksum %02xh %02xh secnum %d\n",
bbufcnt, x->buf[1]&0xff, x->buf[2]&0xff, x->buf[bufsize+3]&0xff,
x->buf[bufsize+4]&0xff, x->sectnum
);
#endif
attempts++;
sendresp = readbyte(x->fd, 10); /* get response from remote */
if (sendresp != ACK) {
x->errors++;
if ((sendresp & 0x7f) == CAN) {
TRACE("CAN");
if ((readbyte(x->fd, 3) & 0x7f) == CAN) {
if (emsg) strcpy(emsg, "XMODEM: canceled by user");
x->failed = 1;
return 0;
}
}
if (sendresp == TIMEOUT) {
TRACE("timeout on sector %d", x->sentsectcnt);
} else {
TRACE("non-ACK on sector %d", x->sentsectcnt);
}
} else {
x->got_ack = 1;
}
} while (
sendresp != ACK && attempts < RETRYMAX && x->errors < ERRORMAX
);
x->sectnum++;
x->sentsectcnt += (bufsize == 128) ? 1 : 8;
if (attempts >= RETRYMAX) {
sendbyte(x->fd, CAN); sendbyte(x->fd, CAN); sendbyte(x->fd, CAN);
if (emsg) strcpy(emsg, "XMODEM: remote system not responding");
x->failed = 1;
return 0;
}
if (attempts > ERRORMAX) {
sendbyte(x->fd, CAN); sendbyte(x->fd, CAN); sendbyte(x->fd, CAN);
if (emsg) strcpy(emsg, "XMODEM: too many errors");
x->failed = 1;
return 0;
}
if (sendfin) {
sendeot:
attempts = 0;
sendbyte(x->fd, EOT); /* send 1st EOT to close down transfer */
/* wait for ACK of EOT */
while (readbyte(x->fd, 15) != ACK && attempts++ < RETRYMAX) {
TRACE("EOT not acked");
sendbyte(x->fd, EOT);
}
if (attempts >= RETRYMAX) {
if (emsg) strcpy(emsg, "XMODEM: last ACK missing");
x->failed = 1;
return 0;
}
}
return 1;
}
#endif

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xmodem.h Normal file
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/************************************************************************
* (C)opyright 1991-1999 BinTec Communications AG, All Rights Reserved
*
* Title: <one line description>
* Author: <username>
* $RCSfile: xmodem.h,v $
* $Revision: 74 $
* $Date: 2005-12-22 01:06:50 +0100 (Thu, 22 Dec 2005) $
* $State: Exp $
*
* Type: include file for ..
* Products: ALL | XS,XM,XL,XP,BGO,BGP,XCM
* Description: --
*-----------------------------------------------------------------------
* Current Log:
***********************************************************************/
#ifndef _xmodem_h
#define _xmodem_h
#ifdef USE_RCSID_H
static const char _rcsid_xmodem_h[] __UNUSED = "$Id: xmodem.h,v 1.1 2002/12/19 12:53:33 shoki Exp $";
#endif
/* ASCII Constants */
#define SOH 001
#define STX 002
#define ETX 003
#define EOT 004
#define ENQ 005
#define ACK 006
#define LF 012 /* Unix LF/NL */
#define CR 015
#define NAK 025
#define SYN 026
#define CAN 030
#define ESC 033
/* XMODEM Constants */
#define TIMEOUT -1
#define ERRORMAX 10 /* maximum errors tolerated */
#define CRCSWMAX 4 /* maximum time to try CRC mode before switching */
#define KSWMAX 5 /* maximum errors before switching to 128 byte packets */
#define NAKMAX 2 /* maximum times to wait for initial NAK when sending */
#define RETRYMAX 5 /* maximum retries to be made */
#define CRCCHR 'C' /* CRC request character */
#define CTRLZ 032 /* CP/M EOF for text (usually!) */
#undef DEBUG
/* the CRC polynomial. */
#define P 0x1021
/* number of bits in CRC */
#define W 16
/* this the number of bits per char */
#define B 8
#define XMODEM_EOT 0 /* End of transmission */
#define XMODEM_ERROR 1 /* Too many errors */
#define XMODEM_RCVPKT 2 /* Received Packet */
#define BBUFSIZ 1024 /* buffer size */
typedef struct {
int rd; /* read path */
int wr; /* write path */
unsigned long ident; /* for capi ident */
unsigned short handle; /* for capi data handle */
} rwfd_t;
typedef struct {
CONST char *filename; /* filename of file to send */
FILE *sendfp; /* filepointer to opened file to be sent */
time_t starttime; /* when did the transfer start */
int sectnum; /* number of last packet (modulo 128) */
int errors; /* running cnt of errors(reset when 1st packet starts */
int recvsectcnt; /* running sector count (128 byte sectors) */
int sentsectcnt;
rwfd_t fd; /* i/o pathes */
int ldsav; /* saved ld mode */
char rcvstartch; /* char to request next packet */
unsigned char buf[BBUFSIZ + 6];
unsigned one_kb:1; /* 1024 byte mode configured (only sender) */
unsigned got_ack:1;
unsigned crcmode:1;
unsigned failed:1;
unsigned got_eot:1; /* end-of-transmission was received */
unsigned conmode:1; /* i/o via console */
} xmodem_t;
#endif