1 /*****************************************************************************\
5 **---------------------------------------------------------------------------**
6 ** Copyright: Andreas Eversberg **
8 ** reading interface.conf file and filling structure **
10 \*****************************************************************************/
14 struct interface *interface_first = NULL; /* first interface is current list */
15 struct interface *interface_newlist = NULL; /* first interface in new list */
18 /* set default out_channel */
19 void default_out_channel(struct interface_port *ifport)
21 struct select_channel *selchannel, **selchannelp;
23 selchannel = (struct select_channel *)MALLOC(sizeof(struct select_channel));
26 if (ifport->mISDNport->ntmode)
27 selchannel->channel = CHANNEL_FREE;
29 selchannel->channel = CHANNEL_ANY;
31 ifport->out_channel = selchannel;
33 /* additional channel selection for multipoint NT ports */
34 if (!ifport->mISDNport->ptp && ifport->mISDNport->ntmode) {
35 selchannelp = &(selchannel->next);
36 selchannel = (struct select_channel *)MALLOC(sizeof(struct select_channel));
38 selchannel->channel = CHANNEL_NO; // call waiting
39 *selchannelp = selchannel;
44 /* set default in_channel */
45 void default_in_channel(struct interface_port *ifport)
47 struct select_channel *selchannel;
49 selchannel = (struct select_channel *)MALLOC(sizeof(struct select_channel));
52 selchannel->channel = CHANNEL_FREE;
54 ifport->in_channel = selchannel;
58 /* parse string for a positive number */
59 static int get_number(char *value)
66 SPRINT(text, "%d", val);
68 if (!strcmp(value, text))
75 /* remove element from buffer
76 * and return pointer to next element in buffer */
77 static char *get_seperated(char *buffer)
80 if (*buffer==',' || *buffer<=32) { /* seperate */
82 while((*buffer>'\0' && *buffer<=32) || *buffer==',')
92 * parameter processing
94 static int inter_block(struct interface *interface, char *filename, int line, char *parameter, char *value)
96 struct interface_port *ifport;
99 if (!interface->ifport) {
100 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects previous 'port' definition.\n", filename, line, parameter);
103 /* goto end of chain */
104 ifport = interface->ifport;
106 ifport = ifport->next;
109 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects no value.\n", filename, line, parameter);
115 static int inter_extension(struct interface *interface, char *filename, int line, char *parameter, char *value)
117 if (interface->external) {
118 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' not allowed, because interface is external interface.\n", filename, line, parameter);
122 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects no value.\n", filename, line, parameter);
125 interface->extension = 1;
128 static int inter_extern(struct interface *interface, char *filename, int line, char *parameter, char *value)
130 if (interface->extension) {
131 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' not allowed, because interface is an extension.\n", filename, line, parameter);
135 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects no value.\n", filename, line, parameter);
138 interface->external = 1;
141 static int inter_ptp(struct interface *interface, char *filename, int line, char *parameter, char *value)
143 struct interface_port *ifport;
145 /* port in chain ? */
146 if (!interface->ifport) {
147 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects previous 'port' definition.\n", filename, line, parameter);
150 if (interface->ifport->ptmp) {
151 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' previously ptmp was given.\n", filename, line, parameter);
154 /* goto end of chain */
155 ifport = interface->ifport;
157 ifport = ifport->next;
160 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects no value.\n", filename, line, parameter);
167 static int inter_ptmp(struct interface *interface, char *filename, int line, char *parameter, char *value)
169 struct interface_port *ifport;
171 /* port in chain ? */
172 if (!interface->ifport) {
173 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects previous 'port' definition.\n", filename, line, parameter);
176 if (interface->ifport->ptp) {
177 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' previously ptp was given.\n", filename, line, parameter);
180 /* goto end of chain */
181 ifport = interface->ifport;
183 ifport = ifport->next;
186 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects no value.\n", filename, line, parameter);
193 static int inter_nt(struct interface *interface, char *filename, int line, char *parameter, char *value)
195 struct interface_port *ifport;
197 /* port in chain ? */
198 if (!interface->ifport) {
199 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects previous 'port' definition.\n", filename, line, parameter);
202 /* goto end of chain */
203 ifport = interface->ifport;
205 ifport = ifport->next;
208 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects no value.\n", filename, line, parameter);
214 static int inter_tespecial(struct interface *interface, char *filename, int line, char *parameter, char *value)
216 struct interface_port *ifport;
218 /* port in chain ? */
219 if (!interface->ifport) {
220 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects previous 'port' definition.\n", filename, line, parameter);
223 /* goto end of chain */
224 ifport = interface->ifport;
226 ifport = ifport->next;
229 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects no value.\n", filename, line, parameter);
232 ifport->tespecial = 1;
235 static int inter_tones(struct interface *interface, char *filename, int line, char *parameter, char *value)
237 if (!strcasecmp(value, "yes")) {
238 interface->is_tones = IS_YES;
240 if (!strcasecmp(value, "no")) {
241 interface->is_tones = IS_NO;
243 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects value 'yes' or 'no'.\n", filename, line, parameter);
248 static int inter_earlyb(struct interface *interface, char *filename, int line, char *parameter, char *value)
250 if (!strcasecmp(value, "yes")) {
251 interface->is_earlyb = IS_YES;
253 if (!strcasecmp(value, "no")) {
254 interface->is_earlyb = IS_NO;
256 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects value 'yes' or 'no'.\n", filename, line, parameter);
261 static int inter_hunt(struct interface *interface, char *filename, int line, char *parameter, char *value)
263 if (!strcasecmp(value, "linear")) {
264 interface->hunt = HUNT_LINEAR;
266 if (!strcasecmp(value, "roundrobin")) {
267 interface->hunt = HUNT_ROUNDROBIN;
269 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects value 'linear' or 'roundrobin'.\n", filename, line, parameter);
274 static int inter_port(struct interface *interface, char *filename, int line, char *parameter, char *value)
276 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' is outdated.\nPlease use 'portnum' and decrease port number by 1! Ports are counted from 0 now.\n", filename, line, parameter);
279 static int inter_portnum(struct interface *interface, char *filename, int line, char *parameter, char *value)
281 struct interface_port *ifport, **ifportp;
282 struct interface *searchif;
285 val = get_number(value);
287 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects one numeric value.\n", filename, line, parameter);
290 /* check for port already assigned */
291 searchif = interface_newlist;
293 ifport = searchif->ifport;
295 if (ifport->portnum == val) {
296 SPRINT(interface_error, "Error in %s (line %d): port '%d' already used above.\n", filename, line, val);
299 ifport = ifport->next;
301 searchif = searchif->next;
303 /* alloc port substructure */
304 ifport = (struct interface_port *)MALLOC(sizeof(struct interface_port));
306 ifport->interface = interface;
308 ifport->portnum = val;
310 ifportp = &interface->ifport;
312 ifportp = &((*ifportp)->next);
316 static int inter_portname(struct interface *interface, char *filename, int line, char *parameter, char *value)
318 struct interface_port *ifport, **ifportp;
319 struct interface *searchif;
321 /* check for port already assigned */
322 searchif = interface_newlist;
324 ifport = searchif->ifport;
326 if (!strcasecmp(ifport->portname, value)) {
327 SPRINT(interface_error, "Error in %s (line %d): port '%s' already used above.\n", filename, line, value);
330 // /* check for use as GSM */
331 // if (ifport->gsm) {
332 // SPRINT(interface_error, "Error in %s (line %d): Interface already used for GSM.\n", filename, line);
335 ifport = ifport->next;
337 searchif = searchif->next;
339 /* alloc port substructure */
340 ifport = (struct interface_port *)MALLOC(sizeof(struct interface_port));
342 ifport->interface = interface;
344 ifport->portnum = -1; // disable until resolved
345 SCPY(ifport->portname, value);
347 ifportp = &interface->ifport;
349 ifportp = &((*ifportp)->next);
353 static int inter_l1hold(struct interface *interface, char *filename, int line, char *parameter, char *value)
355 struct interface_port *ifport;
357 /* port in chain ? */
358 if (!interface->ifport) {
359 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects previous 'port' definition.\n", filename, line, parameter);
362 /* goto end of chain */
363 ifport = interface->ifport;
365 ifport = ifport->next;
366 if (!strcmp(value, "yes")) {
369 if (!strcmp(value, "no")) {
372 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expecting parameter 'yes' or 'no'.\n", filename, line, parameter);
377 static int inter_l2hold(struct interface *interface, char *filename, int line, char *parameter, char *value)
379 struct interface_port *ifport;
381 /* port in chain ? */
382 if (!interface->ifport) {
383 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects previous 'port' definition.\n", filename, line, parameter);
386 /* goto end of chain */
387 ifport = interface->ifport;
389 ifport = ifport->next;
390 if (!strcmp(value, "yes")) {
393 if (!strcmp(value, "no")) {
396 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expecting parameter 'yes' or 'no'.\n", filename, line, parameter);
401 static int inter_channel_out(struct interface *interface, char *filename, int line, char *parameter, char *value)
403 struct interface_port *ifport;
404 struct select_channel *selchannel, **selchannelp;
408 /* port in chain ? */
409 if (!interface->ifport) {
410 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects previous 'port' definition.\n", filename, line, parameter);
413 /* goto end of chain */
414 ifport = interface->ifport;
416 ifport = ifport->next;
420 p = get_seperated(p);
421 if (!strcasecmp(el, "force")) {
422 ifport->channel_force = 1;
423 if (ifport->out_channel) {
424 SPRINT(interface_error, "Error in %s (line %d): value 'force' may only appear as first element in list.\n", filename, line);
428 if (!strcasecmp(el, "any")) {
432 if (!strcasecmp(el, "free")) {
436 if (!strcasecmp(el, "no")) {
440 val = get_number(el);
442 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects a comma seperated list of 'force', 'any', 'free', 'no' and any channel number.\n", filename, line, parameter);
446 if (val<1 || val==16 || val>126) {
447 SPRINT(interface_error, "Error in %s (line %d): channel '%d' out of range.\n", filename, line, val);
451 /* add to select-channel list */
452 selchannel = (struct select_channel *)MALLOC(sizeof(struct select_channel));
455 selchannel->channel = val;
457 selchannelp = &ifport->out_channel;
459 selchannelp = &((*selchannelp)->next);
460 *selchannelp = selchannel;
465 static int inter_channel_in(struct interface *interface, char *filename, int line, char *parameter, char *value)
467 struct interface_port *ifport;
468 struct select_channel *selchannel, **selchannelp;
472 /* port in chain ? */
473 if (!interface->ifport) {
474 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects previous 'port' definition.\n", filename, line, parameter);
477 /* goto end of chain */
478 ifport = interface->ifport;
480 ifport = ifport->next;
484 p = get_seperated(p);
485 if (ifport->in_channel) if (ifport->in_channel->channel == CHANNEL_FREE) {
486 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' has values behind 'free' keyword. They has no effect.\n", filename, line, parameter);
489 if (!strcasecmp(el, "free")) {
493 val = get_number(el);
495 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects a comma seperated list of channel numbers and 'free'.\n", filename, line, parameter);
499 if (val<1 || val==16 || val>126) {
500 SPRINT(interface_error, "Error in %s (line %d): channel '%d' out of range.\n", filename, line, val);
504 /* add to select-channel list */
505 selchannel = (struct select_channel *)MALLOC(sizeof(struct select_channel));
508 selchannel->channel = val;
510 selchannelp = &ifport->in_channel;
512 selchannelp = &((*selchannelp)->next);
513 *selchannelp = selchannel;
518 static int inter_timeouts(struct interface *interface, char *filename, int line, char *parameter, char *value)
520 struct interface_port *ifport;
521 // struct select_channel *selchannel, **selchannelp;
525 /* port in chain ? */
526 if (!interface->ifport) {
527 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects previous 'port' definition.\n", filename, line, parameter);
530 /* goto end of chain */
531 ifport = interface->ifport;
533 ifport = ifport->next;
537 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects five timeout values.\n", filename, line, parameter);
541 p = get_seperated(p);
542 ifport->tout_setup = atoi(el);
546 p = get_seperated(p);
547 ifport->tout_dialing = atoi(el);
551 p = get_seperated(p);
552 ifport->tout_proceeding = atoi(el);
556 p = get_seperated(p);
557 ifport->tout_alerting = atoi(el);
561 p = get_seperated(p);
562 ifport->tout_disconnect = atoi(el);
565 static int inter_msn(struct interface *interface, char *filename, int line, char *parameter, char *value)
567 struct interface_msn *ifmsn, **ifmsnp;
571 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects one MSN number or a list.\n", filename, line, parameter);
574 if (interface->ifscreen_in) {
575 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' not allowed with 'screen_in' parameter.\n", filename, line, parameter);
583 p = get_seperated(p);
584 /* add MSN to list */
585 ifmsn = (struct interface_msn *)MALLOC(sizeof(struct interface_msn));
588 SCPY(ifmsn->msn, el);
590 ifmsnp = &interface->ifmsn;
592 ifmsnp = &((*ifmsnp)->next);
597 static int inter_screen(struct interface_screen **ifscreenp, struct interface *interface, char *filename, int line, char *parameter, char *value)
599 struct interface_screen *ifscreen;
603 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects old caller ID and new caller ID.\n", filename, line, parameter);
606 /* add screen entry to list*/
607 ifscreen = (struct interface_screen *)MALLOC(sizeof(struct interface_screen));
609 ifscreen->match_type = -1; /* unchecked */
610 ifscreen->match_present = -1; /* unchecked */
611 ifscreen->result_type = -1; /* unchanged */
612 ifscreen->result_present = -1; /* unchanged */
615 ifscreenp = &((*ifscreenp)->next);
616 *ifscreenp = ifscreen;
617 // printf("interface=%s\n", interface->name);
622 p = get_seperated(p);
623 if (!strcasecmp(el, "unknown")) {
624 if (ifscreen->match_type != -1) {
626 SPRINT(interface_error, "Error in %s (line %d): number type already set earlier.\n", filename, line, parameter);
629 ifscreen->match_type = INFO_NTYPE_UNKNOWN;
631 if (!strcasecmp(el, "subscriber")) {
632 if (ifscreen->match_type != -1)
634 ifscreen->match_type = INFO_NTYPE_SUBSCRIBER;
636 if (!strcasecmp(el, "national")) {
637 if (ifscreen->match_type != -1)
639 ifscreen->match_type = INFO_NTYPE_NATIONAL;
641 if (!strcasecmp(el, "international")) {
642 if (ifscreen->match_type != -1)
644 ifscreen->match_type = INFO_NTYPE_INTERNATIONAL;
646 if (!strcasecmp(el, "allowed")) {
647 if (ifscreen->match_present != -1) {
649 SPRINT(interface_error, "Error in %s (line %d): presentation type already set earlier.\n", filename, line);
652 ifscreen->match_present = INFO_PRESENT_ALLOWED;
654 if (!strcasecmp(el, "restrict") || !strcasecmp(el, "restricted")) {
655 if (ifscreen->match_present != -1)
657 ifscreen->match_present = INFO_PRESENT_RESTRICTED;
659 SCPY(ifscreen->match, el);
660 /* check for % at the end */
661 if (strchr(el, '%')) {
662 if (strchr(el, '%') != el+strlen(el)-1) {
663 SPRINT(interface_error, "Error in %s (line %d): %% joker found, but must at the end.\n", filename, line, parameter);
670 if (ifscreen->match[0] == '\0') {
671 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects old caller ID.\n", filename, line, parameter);
677 p = get_seperated(p);
678 if (!strcasecmp(el, "unknown")) {
679 if (ifscreen->result_type != -1)
681 ifscreen->result_type = INFO_NTYPE_UNKNOWN;
683 if (!strcasecmp(el, "subscriber")) {
684 if (ifscreen->result_type != -1)
686 ifscreen->result_type = INFO_NTYPE_SUBSCRIBER;
688 if (!strcasecmp(el, "national")) {
689 if (ifscreen->result_type != -1)
691 ifscreen->result_type = INFO_NTYPE_NATIONAL;
693 if (!strcasecmp(el, "international")) {
694 if (ifscreen->result_type != -1)
696 ifscreen->result_type = INFO_NTYPE_INTERNATIONAL;
698 if (!strcasecmp(el, "present") || !strcasecmp(el, "presented") || !strcasecmp(el, "allowed") || !strcasecmp(el, "allow")) {
699 if (ifscreen->result_present != -1)
701 ifscreen->result_present = INFO_PRESENT_ALLOWED;
703 if (!strcasecmp(el, "restrict") || !strcasecmp(el, "restricted") || !strcasecmp(el, "deny") || !strcasecmp(el, "denied")) {
704 if (ifscreen->result_present != -1)
706 ifscreen->result_present = INFO_PRESENT_RESTRICTED;
708 SCPY(ifscreen->result, el);
709 /* check for % at the end */
710 if (strchr(el, '%')) {
711 if (strchr(el, '%') != el+strlen(el)-1) {
712 SPRINT(interface_error, "Error in %s (line %d): %% joker found, but must at the end.\n", filename, line, parameter);
719 if (ifscreen->result[0] == '\0') {
720 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects new caller ID.\n", filename, line, parameter);
725 static int inter_screen_in(struct interface *interface, char *filename, int line, char *parameter, char *value)
727 if (interface->ifmsn) {
728 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' not allowed with 'msn' parameter.\n", filename, line, parameter);
732 return(inter_screen(&interface->ifscreen_in, interface, filename, line, parameter, value));
734 static int inter_screen_out(struct interface *interface, char *filename, int line, char *parameter, char *value)
736 return(inter_screen(&interface->ifscreen_out, interface, filename, line, parameter, value));
738 static int inter_nodtmf(struct interface *interface, char *filename, int line, char *parameter, char *value)
740 struct interface_port *ifport;
742 /* port in chain ? */
743 if (!interface->ifport) {
744 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects previous 'port' definition.\n", filename, line, parameter);
747 /* goto end of chain */
748 ifport = interface->ifport;
750 ifport = ifport->next;
754 static int inter_filter(struct interface *interface, char *filename, int line, char *parameter, char *value)
758 /* seperate parameter from filter */
764 while(*p > 0 && *p <= 32)
768 if (!strcasecmp(value, "gain")) {
774 while(*q > 0 && *q <= 32)
777 if (*p == 0 || *q == 0) {
778 SPRINT(interface_error, "Error in %s (line %d): parameter '%s %s' expects two gain values.\n", filename, line, parameter, value);
781 if (atoi(p)<-8 || atoi(p)>8 || atoi(q)<-8 || atoi(q)>8) {
782 SPRINT(interface_error, "Error in %s (line %d): parameter '%s %s' gain values not in range. (-8...8)\n", filename, line, parameter, value);
785 interface->tx_gain = atoi(p);
786 interface->rx_gain = atoi(q);
788 if (!strcasecmp(value, "pipeline")) {
790 SPRINT(interface_error, "Error in %s (line %d): parameter '%s %s' expects pipeline string.\n", filename, line, parameter, value);
793 SCPY(interface->pipeline, p);
795 if (!strcasecmp(value, "blowfish")) {
796 unsigned char key[56];
799 if (!!strncmp(p, "0x", 2)) {
800 SPRINT(interface_error, "Error in %s (line %d): parameter '%s %s' expects blowfish key starting with '0x'.\n", filename, line, parameter, value);
807 SPRINT(interface_error, "Error in %s (line %d): parameter '%s %s' key too long.\n", filename, line, parameter, value);
810 if (*p >= '0' && *p <= '9')
811 key[l] = (*p-'0')<<4;
812 else if (*p >= 'a' && *p <= 'f')
813 key[l] = (*p-'a'+10)<<4;
814 else if (*p >= 'A' && *p <= 'F')
815 key[l] = (*p-'A'+10)<<4;
818 SPRINT(interface_error, "Error in %s (line %d): parameter '%s %s' key has digits out of range. (0...9, a...f)\n", filename, line, parameter, value);
823 SPRINT(interface_error, "Error in %s (line %d): parameter '%s %s' key must end on an 8 bit boundary (two character boundary).\n", filename, line, parameter, value);
826 if (*p >= '0' && *p <= '9')
827 key[l] = (*p-'0')<<4;
828 else if (*p >= 'a' && *p <= 'f')
829 key[l] = (*p-'a'+10)<<4;
830 else if (*p >= 'A' && *p <= 'F')
831 key[l] = (*p-'A'+10)<<4;
838 SPRINT(interface_error, "Error in %s (line %d): parameter '%s %s' key must be at least 4 bytes (8 characters).\n", filename, line, parameter, value);
841 memcpy(interface->bf_key, key, l);
842 interface->bf_len = l;
844 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' has unknown filter '%s'.\n", filename, line, parameter, value);
849 static int inter_dialmax(struct interface *interface, char *filename, int line, char *parameter, char *value)
851 struct interface_port *ifport;
853 /* port in chain ? */
854 if (!interface->ifport) {
855 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects previous 'port' definition.\n", filename, line, parameter);
858 /* goto end of chain */
859 ifport = interface->ifport;
861 ifport = ifport->next;
862 ifport->dialmax = atoi(value);
865 static int inter_tones_dir(struct interface *interface, char *filename, int line, char *parameter, char *value)
867 struct interface_port *ifport;
869 /* port in chain ? */
870 if (!interface->ifport) {
871 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects previous 'port' definition.\n", filename, line, parameter);
874 /* goto end of chain */
875 ifport = interface->ifport;
877 ifport = ifport->next;
878 SCPY(ifport->tones_dir, value);
881 static int inter_gsm(struct interface *interface, char *filename, int line, char *parameter, char *value)
884 SPRINT(interface_error, "Error in %s (line %d): GSM not compiled in.\n", filename, line);
887 struct interface_port *ifport;
888 struct interface *searchif;
892 SPRINT(interface_error, "Error in %s (line %d): GSM is not activated.\n", filename, line);
895 searchif = interface_newlist;
897 ifport = searchif->ifport;
900 SPRINT(interface_error, "Error in %s (line %d): port '%s' already uses gsm\n", filename, line, value);
903 ifport = ifport->next;
905 searchif = searchif->next;
909 if (inter_portname(interface, filename, line, (char *)"portname", gsm->conf.interface_lcr))
911 /* goto end of chain again to set gsmflag*/
912 ifport = interface->ifport;
914 ifport = ifport->next;
920 static int inter_ss5(struct interface *interface, char *filename, int line, char *parameter, char *value)
922 struct interface_port *ifport;
925 /* port in chain ? */
926 if (!interface->ifport) {
927 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' expects previous 'port' definition.\n", filename, line, parameter);
930 /* goto end of chain */
931 ifport = interface->ifport;
933 ifport = ifport->next;
934 ifport->ss5 |= SS5_ENABLE;
935 while((element = strsep(&value, " "))) {
936 if (element[0] == '\0')
938 if (!strcasecmp(element, "connect"))
939 ifport->ss5 |= SS5_FEATURE_CONNECT;
941 if (!strcasecmp(element, "nodisconnect"))
942 ifport->ss5 |= SS5_FEATURE_NODISCONNECT;
944 if (!strcasecmp(element, "releaseguardtimer"))
945 ifport->ss5 |= SS5_FEATURE_RELEASEGUARDTIMER;
947 if (!strcasecmp(element, "bell"))
948 ifport->ss5 |= SS5_FEATURE_BELL;
950 if (!strcasecmp(element, "pulsedialing"))
951 ifport->ss5 |= SS5_FEATURE_PULSEDIALING;
953 if (!strcasecmp(element, "delay"))
954 ifport->ss5 |= SS5_FEATURE_DELAY;
956 if (!strcasecmp(element, "starrelease"))
957 ifport->ss5 |= SS5_FEATURE_STAR_RELEASE;
959 if (!strcasecmp(element, "suppress"))
960 ifport->ss5 |= SS5_FEATURE_SUPPRESS;
962 SPRINT(interface_error, "Error in %s (line %d): parameter '%s' does not allow value element '%s'.\n", filename, line, parameter, element);
972 * structure of parameters
974 struct interface_param interface_param[] = {
975 { "extension", &inter_extension, "",
976 "If keyword is given, calls to interface are handled as internal extensions."},
978 { "extern", &inter_extern, "",
979 "If keyword is given, this interface will be used for external calls.\n"
980 "Calls require an external interface, if the routing action 'extern' is used\nwithout specific interface given.\n"
981 "Calls forwarded by extension's 'settings' also require an external interface."},
983 {"tones", &inter_tones, "yes | no",
984 "Interface generates tones during call setup and release, or not.\nBy default only NT-mode ports generate tones."},
986 {"earlyb", &inter_earlyb, "yes | no",
987 "Interface receives and bridges tones during call setup and release, or not.\nBy default only TE-mode ports receive tones."},
989 {"hunt", &inter_hunt, "linear | roundrobin",
990 "Select the algorithm for selecting port with free channel."},
992 {"port", &inter_port, "<number>",
994 {"portnum", &inter_portnum, "<number>",
995 "Give exactly one port for this interface.\nTo give multiple ports, add more lines with port parameters."},
996 {"portname", &inter_portname, "<name>",
997 "Same as 'portnum', but the name is given instead.\nUse 'isdninfo' to list all available ports and names."},
999 {"block", &inter_block, "",
1000 "If keyword is given, calls on this interface are blocked.\n"
1001 "This parameter must follow a 'port' parameter."},
1003 {"ptp", &inter_ptp, "",
1004 "The given port above is opened as point-to-point.\n"
1005 "This is required on NT-mode ports that are multipoint by default.\n"
1006 "This parameter must follow a 'port' parameter."},
1009 {"ptmp", &inter_ptmp, "",
1010 "The given port above is opened as point-to-multipoint.\n"
1011 "This is required on PRI NT-mode ports that are point-to-point by default.\n"
1012 "This parameter must follow a 'port' parameter."},
1015 {"nt", &inter_nt, "",
1016 "The given port above is opened in NT-mode.\n"
1017 "This is required on interfaces that support both NT-mode and TE-mode.\n"
1018 "This parameter must follow a 'port' parameter."},
1020 {"te-special", &inter_tespecial, "",
1021 "The given port uses a modified TE-mode.\n"
1022 "All information elements that are allowed Network->User will then be\n"
1023 "transmitted User->Network also. This is usefull to pass all informations\n"
1024 "between two interconnected LCRs, like 'redirected number' or 'display'.\n"
1025 "Note that this is not compliant with ISDN protocol.\n"
1026 "This parameter must follow a 'port' parameter."},
1028 {"layer1hold", &inter_l1hold, "yes | no",
1029 "The given port will not release layer 1 after layer 2 is down.\n"
1030 "It is required to keep layer 1 of telephones up, to solve activation problems.\n"
1031 "This parameter must follow a 'port' parameter."},
1033 {"layer2hold", &inter_l2hold, "yes | no",
1034 "The given port will continuously try to establish layer 2 link and hold it.\n"
1035 "It is required for PTP links in most cases, therefore it is default.\n"
1036 "This parameter must follow a 'port' parameter."},
1038 {"channel-out", &inter_channel_out, "[force,][<number>][,...][,free][,any][,no]",
1039 "Channel selection list for all outgoing calls to the interface.\n"
1040 "A free channels is searched in order of appearance.\n"
1041 "This parameter must follow a 'port' parameter.\n"
1042 " force - Forces the selected port with no acceptable alternative (see DSS1).\n"
1043 " <number>[,...] - List of channels to search.\n"
1044 " free - Select any free channel\n"
1045 " any - On outgoing calls, signal 'any channel acceptable'. (see DSS1)\n"
1046 " no - Signal 'no channel available' aka 'call waiting'. (see DSS1)"},
1048 {"channel-in", &inter_channel_in, "[<number>][,...][,free]",
1049 "Channel selection list for all incoming calls from the interface.\n"
1050 "A free channels is accepted if in the list.\n"
1051 "If any channel was requested, the first free channel found is selected.\n"
1052 "This parameter must follow a 'port' parameter.\n"
1053 " <number>[,...] - List of channels to accept.\n"
1054 " free - Accept any free channel"},
1056 {"timeouts", &inter_timeouts, "<setup> <dialing> <proceeding> <alerting> <disconnect>",
1057 "Timeout values for call states. They are both for incoming and outgoing states.\n"
1058 "The default is 120 seconds for all states. Use 0 to disable.\n"
1059 "This parameter must follow a 'port' parameter.\n"},
1061 {"msn", &inter_msn, "<default MSN>,[<additional MSN>[,...]]",
1062 "Incoming caller ID is checked against given MSN numbers.\n"
1063 "If the caller ID is not found in this list, it is overwritten by the first MSN"},
1065 {"screen-in", &inter_screen_in, "[options] <old caller ID>[%] [options] <new caller ID>[%]",
1066 "Adds an entry for incoming calls to the caller ID screen list.\n"
1067 "If the given 'old caller ID' matches, it is replaced by the 'new caller ID'\n"
1068 "If '%' is given after old caller ID, it matches even if caller ID has\n"
1069 "additional digits.\n"
1070 "If '%' is given after mew caller ID, additinal digits of the 'old caller ID'\n"
1073 " unknown | subsciber | national | international - Change caller ID type.\n"
1074 " present | restrict - Change presentation of caller ID."},
1076 {"screen-out", &inter_screen_out, "[options] <old caller ID>[%] [options] <new caller ID>[%]",
1077 "Adds an entry for outgoing calls to the caller ID screen list.\n"
1078 "See 'screen-in' for help."},
1080 {"nodtmf", &inter_nodtmf, "",
1081 "Disables DTMF detection for this interface.\n"
1082 "This parameter must follow a 'port' parameter."},
1084 {"filter", &inter_filter, "<filter> <parameters>",
1085 "Adds/appends a filter. Filters are ordered in transmit direction.\n"
1086 "gain <tx-volume> <rx-volume> - Changes volume (-8 .. 8)\n"
1087 "pipeline <string> - Sets echo cancelation pipeline.\n"
1088 "blowfish <key> - Adds encryption. Key must be 4-56 bytes (8-112 hex characters."},
1090 {"dialmax", &inter_dialmax, "<digits>",
1091 "Limits the number of digits in setup/information message."},
1093 {"tones_dir", &inter_tones_dir, "<path>",
1094 "Overrides the given tone_dir in options.conf.\n"
1095 "To used kernel tones in mISDN_dsp.ko, say 'american', 'german', or 'oldgerman'."},
1097 {"gsm", &inter_gsm, "",
1098 "Sets up GSM interface for using OpenBSC.\n"
1099 "This interface must be a loopback interface. The second loopback interface\n"
1100 "must be assigned to OpenBSC"},
1103 {"ccitt5", &inter_ss5, "[<feature> [feature ...]]",
1104 "Interface uses CCITT No. 5 inband signalling rather than D-channel.\n"
1105 "This feature causes CPU load to rise and has no practical intend.\n"
1106 "If you don't know what it is, you don't need it.\n"
1107 "Features apply to protocol behaviour and blueboxing specials, they are:\n"
1108 " connect - Connect incomming call to throughconnect audio, if required.\n"
1109 " nodisconnect - Don't disconnect if incomming exchange disconnects.\n"
1110 " releaseguardtimer - Tries to prevent Blueboxing by a longer release-guard.\n"
1111 " bell - Allow releasing and pulse-dialing via 2600 Hz like old Bell systems.\n"
1112 " pulsedialing - Use pulse dialing on outgoing exchange. (takes long!)\n"
1113 " delay - Use on incomming exchange, to make you feel a delay when blueboxing.\n"
1114 " starrelease - Pulse dialing a star (11 pulses per digit) clears current call.\n"
1115 " suppress - Suppress received tones, as they will be recognized."},
1118 {NULL, NULL, NULL, NULL}
1123 * read settings from interface.conf
1125 char interface_error[256];
1126 struct interface *read_interfaces(void)
1131 unsigned int line, i;
1133 struct interface *interface = NULL, /* in case no interface */
1134 **interfacep = &interface_newlist;
1135 char parameter[128];
1137 int expecting = 1; /* expecting new interface */
1138 struct interface_param *ifparam;
1140 if (interface_newlist != NULL)
1141 FATAL("list is not empty.\n");
1142 interface_error[0] = '\0';
1143 SPRINT(filename, "%s/interface.conf", CONFIG_DATA);
1145 if (!(fp = fopen(filename,"r"))) {
1146 SPRINT(interface_error, "Cannot open '%s'\n", filename);
1151 while((fgets(buffer,sizeof(buffer),fp))) {
1152 buffer[sizeof(buffer)-1]=0;
1153 if (buffer[0]) buffer[strlen(buffer)-1]=0;
1157 while(*p <= 32) { /* skip spaces */
1162 if (*p==0 || *p=='#') /* ignore comments and empty line */
1167 i=0; /* read parameter */
1169 if (i+1 >= sizeof(parameter)) {
1170 SPRINT(interface_error, "Error in %s (line %d): parameter name too long.\n",filename,line);
1173 parameter[i+1] = '\0';
1174 parameter[i++] = *p++;
1177 while(*p <= 32) { /* skip spaces */
1183 if (*p!=0 && *p!='#') { /* missing name */
1184 i=0; /* read until end */
1185 while(*p!=0 && *p!='#') {
1186 if (i+1 >= sizeof(value)) {
1187 SPRINT(interface_error, "Error in %s (line %d): value too long.\n", filename, line);
1194 /* remove trailing spaces from value */
1196 if (value[i-1]==0 || value[i-1]>32)
1203 /* check for interface name as first statement */
1204 if (expecting && parameter[0]!='[') {
1205 SPRINT(interface_error, "Error in %s (line %d): expecting interface name inside [ and ], but got: '%s'.\n", filename, line, parameter);
1210 /* check for new interface */
1211 if (parameter[0] == '[') {
1212 if (parameter[strlen(parameter)-1] != ']') {
1213 SPRINT(interface_error, "Error in %s (line %d): expecting interface name inside [ and ], but got: '%s'.\n", filename, line, parameter);
1216 parameter[strlen(parameter)-1] = '\0';
1218 /* check if interface name already exists */
1219 interface = interface_newlist;
1221 if (!strcasecmp(interface->name, parameter+1)) {
1222 SPRINT(interface_error, "Error in %s (line %d): interface name '%s' already defined above.\n", filename, line, parameter+1);
1225 interface = interface->next;
1228 /* append interface to new list */
1229 interface = (struct interface *)MALLOC(sizeof(struct interface));
1232 /* name interface */
1233 SCPY(interface->name, parameter+1);
1236 *interfacep = interface;
1237 interfacep = &interface->next;
1242 ifparam = interface_param;
1243 while(ifparam->name) {
1244 if (!strcasecmp(parameter, ifparam->name)) {
1245 if (ifparam->func(interface, filename, line, parameter, value))
1254 SPRINT(interface_error, "Error in %s (line %d): unknown parameter: '%s'.\n", filename, line, parameter);
1259 return(interface_newlist);
1261 PERROR_RUNTIME("%s", interface_error);
1263 free_interfaces(interface_newlist);
1264 interface_newlist = NULL;
1270 * freeing chain of interfaces
1272 void free_interfaces(struct interface *interface)
1275 struct interface_port *ifport;
1276 struct select_channel *selchannel;
1277 struct interface_msn *ifmsn;
1278 struct interface_screen *ifscreen;
1281 ifport = interface->ifport;
1283 selchannel = ifport->in_channel;
1286 selchannel = selchannel->next;
1287 FREE(temp, sizeof(struct select_channel));
1290 selchannel = ifport->out_channel;
1293 selchannel = selchannel->next;
1294 FREE(temp, sizeof(struct select_channel));
1298 ifport = ifport->next;
1299 FREE(temp, sizeof(struct interface_port));
1302 ifmsn = interface->ifmsn;
1305 ifmsn = ifmsn->next;
1306 FREE(temp, sizeof(struct interface_msn));
1309 ifscreen = interface->ifscreen_in;
1312 ifscreen = ifscreen->next;
1313 FREE(temp, sizeof(struct interface_screen));
1316 ifscreen = interface->ifscreen_out;
1319 ifscreen = ifscreen->next;
1320 FREE(temp, sizeof(struct interface_screen));
1324 interface = interface->next;
1325 FREE(temp, sizeof(struct interface));
1331 * defaults of ports if not specified by config
1333 static void set_defaults(struct interface_port *ifport)
1335 /* default channel selection list */
1336 if (!ifport->out_channel)
1337 default_out_channel(ifport);
1338 if (!ifport->in_channel)
1339 default_in_channel(ifport);
1340 /* default is_tones */
1341 if (ifport->interface->is_tones)
1342 ifport->mISDNport->tones = (ifport->interface->is_tones==IS_YES);
1344 ifport->mISDNport->tones = (ifport->mISDNport->ntmode || ifport->mISDNport->ss5)?1:0;
1345 /* default is_earlyb */
1346 if (ifport->interface->is_earlyb)
1347 ifport->mISDNport->earlyb = (ifport->interface->is_earlyb==IS_YES);
1349 ifport->mISDNport->earlyb = (ifport->mISDNport->ntmode && !ifport->mISDNport->ss5)?0:1;
1350 /* set locally flag */
1351 if (ifport->interface->extension)
1352 ifport->mISDNport->locally = 1;
1354 ifport->mISDNport->locally = 0;
1359 * all links between mISDNport and interface are made
1360 * unused mISDNports are closed, new mISDNports are opened
1361 * also set default select_channel lists
1363 void relink_interfaces(void)
1365 struct mISDNport *mISDNport;
1366 struct interface *interface;
1367 struct interface_port *ifport;
1369 /* unlink all mISDNports */
1370 mISDNport = mISDNport_first;
1372 mISDNport->ifport = NULL;
1373 mISDNport = mISDNport->next;
1376 /* relink existing mISDNports */
1377 interface = interface_newlist;
1379 ifport = interface->ifport;
1381 mISDNport = mISDNport_first;
1383 if (!strcmp(mISDNport->name, ifport->portname))
1384 ifport->portnum = mISDNport->portnum; /* same name, so we use same number */
1385 if (mISDNport->portnum == ifport->portnum) {
1386 PDEBUG(DEBUG_ISDN, "Port %d:%s relinking!\n", mISDNport->portnum);
1387 ifport->mISDNport = mISDNport;
1388 mISDNport->ifport = ifport;
1389 set_defaults(ifport);
1391 mISDNport = mISDNport->next;
1393 ifport = ifport->next;
1395 interface = interface->next;
1398 /* close unused mISDNports */
1400 mISDNport = mISDNport_first;
1402 if (mISDNport->ifport == NULL) {
1403 PDEBUG(DEBUG_ISDN, "Port %d is not used anymore and will be closed\n", mISDNport->portnum);
1404 /* remove all port objects and destroy port */
1405 mISDNport_close(mISDNport);
1408 mISDNport = mISDNport->next;
1411 /* open and link new mISDNports */
1412 interface = interface_newlist;
1414 ifport = interface->ifport;
1416 if (!ifport->mISDNport) {
1419 ifport = ifport->next;
1421 interface = interface->next;
1430 void load_port(struct interface_port *ifport)
1432 struct mISDNport *mISDNport;
1435 mISDNport = mISDNport_open(ifport->portnum, ifport->portname, ifport->ptp, ifport->nt, ifport->tespecial, ifport->l1hold, ifport->l2hold, ifport->interface, ifport->gsm, ifport->ss5);
1438 ifport->mISDNport = mISDNport;
1439 mISDNport->ifport = ifport;
1440 /* set number and name */
1441 ifport->portnum = mISDNport->portnum;
1442 SCPY(ifport->portname, mISDNport->name);
1444 set_defaults(ifport);
1445 /* load static port instances */
1446 mISDNport_static(mISDNport);
1448 ifport->block = 2; /* not available */
1453 * give summary of interface syntax
1455 void doc_interface(void)
1457 struct interface_param *ifparam;
1459 printf("Syntax overview\n");
1460 printf("---------------\n\n");
1462 printf("[<name>]\n");
1463 ifparam = interface_param;
1464 while(ifparam->name) {
1465 if (ifparam->name[0])
1466 printf("%s %s\n", ifparam->name, ifparam->usage);
1470 ifparam = interface_param;
1471 while(ifparam->name) {
1472 if (ifparam->name[0]) {
1473 printf("\nParameter: %s %s\n", ifparam->name, ifparam->usage);
1474 printf("%s\n", ifparam->help);
1482 * out==0: incoming caller id, out==1: outgoing caller id
1484 void do_screen(int out, char *id, int idsize, int *type, int *present, struct interface *interface)
1487 struct interface_msn *ifmsn;
1488 struct interface_screen *ifscreen;
1491 /* screen incoming caller id */
1493 /* check for MSN numbers, use first MSN if no match */
1495 ifmsn = interface->ifmsn;
1499 if (!strcmp(ifmsn->msn, id)) {
1502 ifmsn = ifmsn->next;
1505 start_trace(-1, interface, numberrize_callerinfo(id, *type, options.national, options.international), NULL, DIRECTION_IN, 0, 0, "SCREEN (found in MSN list)");
1506 add_trace("msn", NULL, "%s", id);
1509 if (!ifmsn && msn1) { // not in list, first msn given
1510 start_trace(-1, interface, numberrize_callerinfo(id, *type, options.national, options.international), NULL, DIRECTION_IN, 0, 0, "SCREEN (not found in MSN list)");
1511 add_trace("msn", "given", "%s", id);
1512 add_trace("msn", "used", "%s", msn1);
1514 UNCPY(id, msn1, idsize);
1515 id[idsize-1] = '\0';
1519 /* check screen list */
1521 ifscreen = interface->ifscreen_out;
1523 ifscreen = interface->ifscreen_in;
1525 if (ifscreen->match_type==-1 || ifscreen->match_type==*type)
1526 if (ifscreen->match_present==-1 || ifscreen->match_present==*present) {
1527 if (strchr(ifscreen->match,'%')) {
1528 if (!strncmp(ifscreen->match, id, strchr(ifscreen->match,'%')-ifscreen->match))
1531 if (!strcmp(ifscreen->match, id))
1535 ifscreen = ifscreen->next;
1537 if (ifscreen) { // match
1538 start_trace(-1, interface, numberrize_callerinfo(id, *type, options.national, options.international), NULL, out?DIRECTION_OUT:DIRECTION_IN, 0, 0, "SCREEN (found in screen list)");
1540 case INFO_NTYPE_UNKNOWN:
1541 add_trace("given", "type", "unknown");
1543 case INFO_NTYPE_SUBSCRIBER:
1544 add_trace("given", "type", "subscriber");
1546 case INFO_NTYPE_NATIONAL:
1547 add_trace("given", "type", "national");
1549 case INFO_NTYPE_INTERNATIONAL:
1550 add_trace("given", "type", "international");
1554 case INFO_PRESENT_ALLOWED:
1555 add_trace("given", "present", "allowed");
1557 case INFO_PRESENT_RESTRICTED:
1558 add_trace("given", "present", "restricted");
1560 case INFO_PRESENT_NOTAVAIL:
1561 add_trace("given", "present", "not available");
1564 add_trace("given", "id", "%s", id[0]?id:"<empty>");
1565 if (ifscreen->result_type != -1) {
1566 *type = ifscreen->result_type;
1568 case INFO_NTYPE_UNKNOWN:
1569 add_trace("used", "type", "unknown");
1571 case INFO_NTYPE_SUBSCRIBER:
1572 add_trace("used", "type", "subscriber");
1574 case INFO_NTYPE_NATIONAL:
1575 add_trace("used", "type", "national");
1577 case INFO_NTYPE_INTERNATIONAL:
1578 add_trace("used", "type", "international");
1582 if (ifscreen->result_present != -1) {
1583 *present = ifscreen->result_present;
1585 case INFO_PRESENT_ALLOWED:
1586 add_trace("used", "present", "allowed");
1588 case INFO_PRESENT_RESTRICTED:
1589 add_trace("used", "present", "restricted");
1591 case INFO_PRESENT_NOTAVAIL:
1592 add_trace("used", "present", "not available");
1596 if (strchr(ifscreen->match,'%')) {
1597 SCPY(suffix, strchr(ifscreen->match,'%') - ifscreen->match + id);
1598 UNCPY(id, ifscreen->result, idsize);
1599 id[idsize-1] = '\0';
1600 if (strchr(id,'%')) {
1601 *strchr(id,'%') = '\0';
1602 UNCAT(id, suffix, idsize);
1603 id[idsize-1] = '\0';
1606 UNCPY(id, ifscreen->result, idsize);
1607 id[idsize-1] = '\0';
1609 add_trace("used", "id", "%s", id[0]?id:"<empty>");