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;
922 * structure of parameters
924 struct interface_param interface_param[] = {
925 { "extension", &inter_extension, "",
926 "If keyword is given, calls to interface are handled as internal extensions."},
928 { "extern", &inter_extern, "",
929 "If keyword is given, this interface will be used for external calls.\n"
930 "Calls require an external interface, if the routing action 'extern' is used\nwithout specific interface given.\n"
931 "Calls forwarded by extension's 'settings' also require an external interface."},
933 {"tones", &inter_tones, "yes | no",
934 "Interface generates tones during call setup and release, or not.\nBy default only NT-mode ports generate tones."},
936 {"earlyb", &inter_earlyb, "yes | no",
937 "Interface receives and bridges tones during call setup and release, or not.\nBy default only TE-mode ports receive tones."},
939 {"hunt", &inter_hunt, "linear | roundrobin",
940 "Select the algorithm for selecting port with free channel."},
942 {"port", &inter_port, "<number>",
944 {"portnum", &inter_portnum, "<number>",
945 "Give exactly one port for this interface.\nTo give multiple ports, add more lines with port parameters."},
946 {"portname", &inter_portname, "<name>",
947 "Same as 'portnum', but the name is given instead.\nUse 'isdninfo' to list all available ports and names."},
949 {"block", &inter_block, "",
950 "If keyword is given, calls on this interface are blocked.\n"
951 "This parameter must follow a 'port' parameter."},
953 {"ptp", &inter_ptp, "",
954 "The given port above is opened as point-to-point.\n"
955 "This is required on NT-mode ports that are multipoint by default.\n"
956 "This parameter must follow a 'port' parameter."},
959 {"ptmp", &inter_ptmp, "",
960 "The given port above is opened as point-to-multipoint.\n"
961 "This is required on PRI NT-mode ports that are point-to-point by default.\n"
962 "This parameter must follow a 'port' parameter."},
965 {"nt", &inter_nt, "",
966 "The given port above is opened in NT-mode.\n"
967 "This is required on interfaces that support both NT-mode and TE-mode.\n"
968 "This parameter must follow a 'port' parameter."},
970 {"te-special", &inter_tespecial, "",
971 "The given port uses a modified TE-mode.\n"
972 "All information elements that are allowed Network->User will then be\n"
973 "transmitted User->Network also. This is usefull to pass all informations\n"
974 "between two interconnected LCRs, like 'redirected number' or 'display'.\n"
975 "Note that this is not compliant with ISDN protocol.\n"
976 "This parameter must follow a 'port' parameter."},
978 {"layer1hold", &inter_l1hold, "yes | no",
979 "The given port will not release layer 1 after layer 2 is down.\n"
980 "It is required to keep layer 1 of telephones up, to solve activation problems.\n"
981 "This parameter must follow a 'port' parameter."},
983 {"layer2hold", &inter_l2hold, "yes | no",
984 "The given port will continuously try to establish layer 2 link and hold it.\n"
985 "It is required for PTP links in most cases, therefore it is default.\n"
986 "This parameter must follow a 'port' parameter."},
988 {"channel-out", &inter_channel_out, "[force,][<number>][,...][,free][,any][,no]",
989 "Channel selection list for all outgoing calls to the interface.\n"
990 "A free channels is searched in order of appearance.\n"
991 "This parameter must follow a 'port' parameter.\n"
992 " force - Forces the selected port with no acceptable alternative (see DSS1).\n"
993 " <number>[,...] - List of channels to search.\n"
994 " free - Select any free channel\n"
995 " any - On outgoing calls, signal 'any channel acceptable'. (see DSS1)\n"
996 " no - Signal 'no channel available' aka 'call waiting'. (see DSS1)"},
998 {"channel-in", &inter_channel_in, "[<number>][,...][,free]",
999 "Channel selection list for all incoming calls from the interface.\n"
1000 "A free channels is accepted if in the list.\n"
1001 "If any channel was requested, the first free channel found is selected.\n"
1002 "This parameter must follow a 'port' parameter.\n"
1003 " <number>[,...] - List of channels to accept.\n"
1004 " free - Accept any free channel"},
1006 {"timeouts", &inter_timeouts, "<setup> <dialing> <proceeding> <alerting> <disconnect>",
1007 "Timeout values for call states. They are both for incoming and outgoing states.\n"
1008 "The default is 120 seconds for all states. Use 0 to disable.\n"
1009 "This parameter must follow a 'port' parameter.\n"},
1011 {"msn", &inter_msn, "<default MSN>,[<additional MSN>[,...]]",
1012 "Incoming caller ID is checked against given MSN numbers.\n"
1013 "If the caller ID is not found in this list, it is overwritten by the first MSN"},
1015 {"screen-in", &inter_screen_in, "[options] <old caller ID>[%] [options] <new caller ID>[%]",
1016 "Adds an entry for incoming calls to the caller ID screen list.\n"
1017 "If the given 'old caller ID' matches, it is replaced by the 'new caller ID'\n"
1018 "If '%' is given after old caller ID, it matches even if caller ID has\n"
1019 "additional digits.\n"
1020 "If '%' is given after mew caller ID, additinal digits of the 'old caller ID'\n"
1023 " unknown | subsciber | national | international - Change caller ID type.\n"
1024 " present | restrict - Change presentation of caller ID."},
1026 {"screen-out", &inter_screen_out, "[options] <old caller ID>[%] [options] <new caller ID>[%]",
1027 "Adds an entry for outgoing calls to the caller ID screen list.\n"
1028 "See 'screen-in' for help."},
1030 {"nodtmf", &inter_nodtmf, "",
1031 "Disables DTMF detection for this interface.\n"
1032 "This parameter must follow a 'port' parameter."},
1034 {"filter", &inter_filter, "<filter> <parameters>",
1035 "Adds/appends a filter. Filters are ordered in transmit direction.\n"
1036 "gain <tx-volume> <rx-volume> - Changes volume (-8 .. 8)\n"
1037 "pipeline <string> - Sets echo cancelation pipeline.\n"
1038 "blowfish <key> - Adds encryption. Key must be 4-56 bytes (8-112 hex characters."},
1040 {"dialmax", &inter_dialmax, "<digits>",
1041 "Limits the number of digits in setup/information message."},
1043 {"tones_dir", &inter_tones_dir, "<path>",
1044 "Overrides the given tone_dir in options.conf.\n"
1045 "To used kernel tones in mISDN_dsp.ko, say 'american', 'german', or 'oldgerman'."},
1047 {"gsm", &inter_gsm, "",
1048 "Sets up GSM interface for using OpenBSC.\n"
1049 "This interface must be a loopback interface. The second loopback interface\n"
1050 "must be assigned to OpenBSC"},
1052 {NULL, NULL, NULL, NULL}
1057 * read settings from interface.conf
1059 char interface_error[256];
1060 struct interface *read_interfaces(void)
1065 unsigned int line, i;
1067 struct interface *interface = NULL, /* in case no interface */
1068 **interfacep = &interface_newlist;
1069 char parameter[128];
1071 int expecting = 1; /* expecting new interface */
1072 struct interface_param *ifparam;
1074 if (interface_newlist != NULL)
1075 FATAL("list is not empty.\n");
1076 interface_error[0] = '\0';
1077 SPRINT(filename, "%s/interface.conf", CONFIG_DATA);
1079 if (!(fp = fopen(filename,"r"))) {
1080 SPRINT(interface_error, "Cannot open '%s'\n", filename);
1085 while((fgets(buffer,sizeof(buffer),fp))) {
1086 buffer[sizeof(buffer)-1]=0;
1087 if (buffer[0]) buffer[strlen(buffer)-1]=0;
1091 while(*p <= 32) { /* skip spaces */
1096 if (*p==0 || *p=='#') /* ignore comments and empty line */
1101 i=0; /* read parameter */
1103 if (i+1 >= sizeof(parameter)) {
1104 SPRINT(interface_error, "Error in %s (line %d): parameter name too long.\n",filename,line);
1107 parameter[i+1] = '\0';
1108 parameter[i++] = *p++;
1111 while(*p <= 32) { /* skip spaces */
1117 if (*p!=0 && *p!='#') { /* missing name */
1118 i=0; /* read until end */
1119 while(*p!=0 && *p!='#') {
1120 if (i+1 >= sizeof(value)) {
1121 SPRINT(interface_error, "Error in %s (line %d): value too long.\n", filename, line);
1128 /* remove trailing spaces from value */
1130 if (value[i-1]==0 || value[i-1]>32)
1137 /* check for interface name as first statement */
1138 if (expecting && parameter[0]!='[') {
1139 SPRINT(interface_error, "Error in %s (line %d): expecting interface name inside [ and ], but got: '%s'.\n", filename, line, parameter);
1144 /* check for new interface */
1145 if (parameter[0] == '[') {
1146 if (parameter[strlen(parameter)-1] != ']') {
1147 SPRINT(interface_error, "Error in %s (line %d): expecting interface name inside [ and ], but got: '%s'.\n", filename, line, parameter);
1150 parameter[strlen(parameter)-1] = '\0';
1152 /* check if interface name already exists */
1153 interface = interface_newlist;
1155 if (!strcasecmp(interface->name, parameter+1)) {
1156 SPRINT(interface_error, "Error in %s (line %d): interface name '%s' already defined above.\n", filename, line, parameter+1);
1159 interface = interface->next;
1162 /* append interface to new list */
1163 interface = (struct interface *)MALLOC(sizeof(struct interface));
1166 /* name interface */
1167 SCPY(interface->name, parameter+1);
1170 *interfacep = interface;
1171 interfacep = &interface->next;
1176 ifparam = interface_param;
1177 while(ifparam->name) {
1178 if (!strcasecmp(parameter, ifparam->name)) {
1179 if (ifparam->func(interface, filename, line, parameter, value))
1188 SPRINT(interface_error, "Error in %s (line %d): unknown parameter: '%s'.\n", filename, line, parameter);
1193 return(interface_newlist);
1195 PERROR_RUNTIME("%s", interface_error);
1197 free_interfaces(interface_newlist);
1198 interface_newlist = NULL;
1204 * freeing chain of interfaces
1206 void free_interfaces(struct interface *interface)
1209 struct interface_port *ifport;
1210 struct select_channel *selchannel;
1211 struct interface_msn *ifmsn;
1212 struct interface_screen *ifscreen;
1215 ifport = interface->ifport;
1217 selchannel = ifport->in_channel;
1220 selchannel = selchannel->next;
1221 FREE(temp, sizeof(struct select_channel));
1224 selchannel = ifport->out_channel;
1227 selchannel = selchannel->next;
1228 FREE(temp, sizeof(struct select_channel));
1232 ifport = ifport->next;
1233 FREE(temp, sizeof(struct interface_port));
1236 ifmsn = interface->ifmsn;
1239 ifmsn = ifmsn->next;
1240 FREE(temp, sizeof(struct interface_msn));
1243 ifscreen = interface->ifscreen_in;
1246 ifscreen = ifscreen->next;
1247 FREE(temp, sizeof(struct interface_screen));
1250 ifscreen = interface->ifscreen_out;
1253 ifscreen = ifscreen->next;
1254 FREE(temp, sizeof(struct interface_screen));
1258 interface = interface->next;
1259 FREE(temp, sizeof(struct interface));
1265 * defaults of ports if not specified by config
1267 static void set_defaults(struct interface_port *ifport)
1269 /* default channel selection list */
1270 if (!ifport->out_channel)
1271 default_out_channel(ifport);
1272 if (!ifport->in_channel)
1273 default_in_channel(ifport);
1274 /* default is_tones */
1275 if (ifport->interface->is_tones)
1276 ifport->mISDNport->tones = (ifport->interface->is_tones==IS_YES);
1278 ifport->mISDNport->tones = (ifport->mISDNport->ntmode)?1:0;
1279 /* default is_earlyb */
1280 if (ifport->interface->is_earlyb)
1281 ifport->mISDNport->earlyb = (ifport->interface->is_earlyb==IS_YES);
1283 ifport->mISDNport->earlyb = (ifport->mISDNport->ntmode)?0:1;
1284 /* set locally flag */
1285 if (ifport->interface->extension)
1286 ifport->mISDNport->locally = 1;
1288 ifport->mISDNport->locally = 0;
1293 * all links between mISDNport and interface are made
1294 * unused mISDNports are closed, new mISDNports are opened
1295 * also set default select_channel lists
1297 void relink_interfaces(void)
1299 struct mISDNport *mISDNport;
1300 struct interface *interface;
1301 struct interface_port *ifport;
1303 /* unlink all mISDNports */
1304 mISDNport = mISDNport_first;
1306 mISDNport->ifport = NULL;
1307 mISDNport = mISDNport->next;
1310 /* relink existing mISDNports */
1311 interface = interface_newlist;
1313 ifport = interface->ifport;
1315 mISDNport = mISDNport_first;
1317 if (!strcmp(mISDNport->name, ifport->portname))
1318 ifport->portnum = mISDNport->portnum; /* same name, so we use same number */
1319 if (mISDNport->portnum == ifport->portnum) {
1320 PDEBUG(DEBUG_ISDN, "Port %d:%s relinking!\n", mISDNport->portnum);
1321 ifport->mISDNport = mISDNport;
1322 mISDNport->ifport = ifport;
1323 set_defaults(ifport);
1325 mISDNport = mISDNport->next;
1327 ifport = ifport->next;
1329 interface = interface->next;
1332 /* close unused mISDNports */
1334 mISDNport = mISDNport_first;
1336 if (mISDNport->ifport == NULL) {
1337 PDEBUG(DEBUG_ISDN, "Port %d is not used anymore and will be closed\n", mISDNport->portnum);
1338 /* remove all port objects and destroy port */
1339 mISDNport_close(mISDNport);
1342 mISDNport = mISDNport->next;
1345 /* open and link new mISDNports */
1346 interface = interface_newlist;
1348 ifport = interface->ifport;
1350 if (!ifport->mISDNport) {
1353 ifport = ifport->next;
1355 interface = interface->next;
1364 void load_port(struct interface_port *ifport)
1366 struct mISDNport *mISDNport;
1369 mISDNport = mISDNport_open(ifport->portnum, ifport->portname, ifport->ptp, ifport->nt, ifport->tespecial, ifport->l1hold, ifport->l2hold, ifport->interface, ifport->gsm);
1372 ifport->mISDNport = mISDNport;
1373 mISDNport->ifport = ifport;
1374 /* set number and name */
1375 ifport->portnum = mISDNport->portnum;
1376 SCPY(ifport->portname, mISDNport->name);
1378 set_defaults(ifport);
1380 ifport->block = 2; /* not available */
1385 * give summary of interface syntax
1387 void doc_interface(void)
1389 struct interface_param *ifparam;
1391 printf("Syntax overview\n");
1392 printf("---------------\n\n");
1394 printf("[<name>]\n");
1395 ifparam = interface_param;
1396 while(ifparam->name) {
1397 if (ifparam->name[0])
1398 printf("%s %s\n", ifparam->name, ifparam->usage);
1402 ifparam = interface_param;
1403 while(ifparam->name) {
1404 if (ifparam->name[0]) {
1405 printf("\nParameter: %s %s\n", ifparam->name, ifparam->usage);
1406 printf("%s\n", ifparam->help);
1414 * out==0: incoming caller id, out==1: outgoing caller id
1416 void do_screen(int out, char *id, int idsize, int *type, int *present, struct interface *interface)
1419 struct interface_msn *ifmsn;
1420 struct interface_screen *ifscreen;
1423 /* screen incoming caller id */
1425 /* check for MSN numbers, use first MSN if no match */
1427 ifmsn = interface->ifmsn;
1431 if (!strcmp(ifmsn->msn, id)) {
1434 ifmsn = ifmsn->next;
1437 start_trace(-1, interface, numberrize_callerinfo(id, *type, options.national, options.international), NULL, DIRECTION_IN, 0, 0, "SCREEN (found in MSN list)");
1438 add_trace("msn", NULL, "%s", id);
1441 if (!ifmsn && msn1) { // not in list, first msn given
1442 start_trace(-1, interface, numberrize_callerinfo(id, *type, options.national, options.international), NULL, DIRECTION_IN, 0, 0, "SCREEN (not found in MSN list)");
1443 add_trace("msn", "given", "%s", id);
1444 add_trace("msn", "used", "%s", msn1);
1446 UNCPY(id, msn1, idsize);
1447 id[idsize-1] = '\0';
1451 /* check screen list */
1453 ifscreen = interface->ifscreen_out;
1455 ifscreen = interface->ifscreen_in;
1457 if (ifscreen->match_type==-1 || ifscreen->match_type==*type)
1458 if (ifscreen->match_present==-1 || ifscreen->match_present==*present) {
1459 if (strchr(ifscreen->match,'%')) {
1460 if (!strncmp(ifscreen->match, id, strchr(ifscreen->match,'%')-ifscreen->match))
1463 if (!strcmp(ifscreen->match, id))
1467 ifscreen = ifscreen->next;
1469 if (ifscreen) { // match
1470 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)");
1472 case INFO_NTYPE_UNKNOWN:
1473 add_trace("given", "type", "unknown");
1475 case INFO_NTYPE_SUBSCRIBER:
1476 add_trace("given", "type", "subscriber");
1478 case INFO_NTYPE_NATIONAL:
1479 add_trace("given", "type", "national");
1481 case INFO_NTYPE_INTERNATIONAL:
1482 add_trace("given", "type", "international");
1486 case INFO_PRESENT_ALLOWED:
1487 add_trace("given", "present", "allowed");
1489 case INFO_PRESENT_RESTRICTED:
1490 add_trace("given", "present", "restricted");
1492 case INFO_PRESENT_NOTAVAIL:
1493 add_trace("given", "present", "not available");
1496 add_trace("given", "id", "%s", id[0]?id:"<empty>");
1497 if (ifscreen->result_type != -1) {
1498 *type = ifscreen->result_type;
1500 case INFO_NTYPE_UNKNOWN:
1501 add_trace("used", "type", "unknown");
1503 case INFO_NTYPE_SUBSCRIBER:
1504 add_trace("used", "type", "subscriber");
1506 case INFO_NTYPE_NATIONAL:
1507 add_trace("used", "type", "national");
1509 case INFO_NTYPE_INTERNATIONAL:
1510 add_trace("used", "type", "international");
1514 if (ifscreen->result_present != -1) {
1515 *present = ifscreen->result_present;
1517 case INFO_PRESENT_ALLOWED:
1518 add_trace("used", "present", "allowed");
1520 case INFO_PRESENT_RESTRICTED:
1521 add_trace("used", "present", "restricted");
1523 case INFO_PRESENT_NOTAVAIL:
1524 add_trace("used", "present", "not available");
1528 if (strchr(ifscreen->match,'%')) {
1529 SCPY(suffix, strchr(ifscreen->match,'%') - ifscreen->match + id);
1530 UNCPY(id, ifscreen->result, idsize);
1531 id[idsize-1] = '\0';
1532 if (strchr(id,'%')) {
1533 *strchr(id,'%') = '\0';
1534 UNCAT(id, suffix, idsize);
1535 id[idsize-1] = '\0';
1538 UNCPY(id, ifscreen->result, idsize);
1539 id[idsize-1] = '\0';
1541 add_trace("used", "id", "%s", id[0]?id:"<empty>");