Asterisk - The Open Source Telephony Project  18.5.0
Macros | Functions
ie.c File Reference

Interface to mISDN. More...

#include "asterisk.h"
#include <string.h>
#include <mISDNuser/mISDNlib.h>
#include <mISDNuser/isdn_net.h>
#include <mISDNuser/l3dss1.h>
#include <mISDNuser/net_l3.h>
#include "asterisk/localtime.h"
Include dependency graph for ie.c:
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Go to the source code of this file.

Macros

#define MISDN_IE_DEBG   0
 

Functions

static void dec_ie_bearer (unsigned char *p, Q931_info_t *qi, int *coding, int *capability, int *mode, int *rate, int *multi, int *user, int *async, int *urate, int *stopbits, int *dbits, int *parity, int nt, struct misdn_bchannel *bc)
 
static void dec_ie_called_pn (unsigned char *p, Q931_info_t *qi, int *type, int *plan, char *number, size_t number_len, int nt, struct misdn_bchannel *bc)
 
static void dec_ie_calling_pn (unsigned char *p, Q931_info_t *qi, int *type, int *plan, int *present, int *screen, char *number, size_t number_len, int nt, struct misdn_bchannel *bc)
 
static void dec_ie_cause (unsigned char *p, Q931_info_t *qi, int *location, int *cause, int nt, struct misdn_bchannel *bc)
 
static void dec_ie_channel_id (unsigned char *p, Q931_info_t *qi, int *exclusive, int *channel, int nt, struct misdn_bchannel *bc)
 
static void dec_ie_complete (unsigned char *p, Q931_info_t *qi, int *complete, int nt, struct misdn_bchannel *bc)
 
static void dec_ie_connected_pn (unsigned char *p, Q931_info_t *qi, int *type, int *plan, int *present, int *screen, char *number, size_t number_len, int nt, struct misdn_bchannel *bc)
 
static void dec_ie_keypad (unsigned char *p, Q931_info_t *qi, char *keypad, size_t keypad_len, int nt, struct misdn_bchannel *bc)
 
static void dec_ie_notify (unsigned char *p, Q931_info_t *qi, int *notify, int nt, struct misdn_bchannel *bc)
 
static void dec_ie_progress (unsigned char *p, Q931_info_t *qi, int *coding, int *location, int *progress, int nt, struct misdn_bchannel *bc)
 
static void dec_ie_redir_dn (unsigned char *p, Q931_info_t *qi, int *type, int *plan, int *present, char *number, size_t number_len, int nt, struct misdn_bchannel *bc)
 
static void dec_ie_redir_nr (unsigned char *p, Q931_info_t *qi, int *type, int *plan, int *present, int *screen, int *reason, char *number, size_t number_len, int nt, struct misdn_bchannel *bc)
 
static void dec_ie_useruser (unsigned char *p, Q931_info_t *qi, int *protocol, char *user, int *user_len, int nt, struct misdn_bchannel *bc)
 
static void enc_ie_bearer (unsigned char **ntmode, msg_t *msg, int coding, int capability, int mode, int rate, int multi, int user, int nt, struct misdn_bchannel *bc)
 
static void enc_ie_called_pn (unsigned char **ntmode, msg_t *msg, int type, int plan, char *number, int nt, struct misdn_bchannel *bc)
 
static void enc_ie_calling_pn (unsigned char **ntmode, msg_t *msg, int type, int plan, int present, int screen, char *number, int nt, struct misdn_bchannel *bc)
 
static void enc_ie_cause (unsigned char **ntmode, msg_t *msg, int location, int cause, int nt, struct misdn_bchannel *bc)
 
static void enc_ie_channel_id (unsigned char **ntmode, msg_t *msg, int exclusive, int channel, int nt, struct misdn_bchannel *bc)
 
static void enc_ie_complete (unsigned char **ntmode, msg_t *msg, int complete, int nt, struct misdn_bchannel *bc)
 
static void enc_ie_connected_pn (unsigned char **ntmode, msg_t *msg, int type, int plan, int present, int screen, char *number, int nt, struct misdn_bchannel *bc)
 
static void enc_ie_date (unsigned char **ntmode, msg_t *msg, time_t ti, int nt, struct misdn_bchannel *bc)
 
static void enc_ie_display (unsigned char **ntmode, msg_t *msg, char *display, int nt, struct misdn_bchannel *bc)
 
static void enc_ie_keypad (unsigned char **ntmode, msg_t *msg, char *keypad, int nt, struct misdn_bchannel *bc)
 
static void enc_ie_notify (unsigned char **ntmode, msg_t *msg, int notify, int nt, struct misdn_bchannel *bc)
 
static void enc_ie_progress (unsigned char **ntmode, msg_t *msg, int coding, int location, int progress, int nt, struct misdn_bchannel *bc)
 
static void enc_ie_redir_dn (unsigned char **ntmode, msg_t *msg, int type, int plan, int present, char *number, int nt, struct misdn_bchannel *bc)
 
static void enc_ie_redir_nr (unsigned char **ntmode, msg_t *msg, int type, int plan, int present, int screen, int reason, char *number, int nt, struct misdn_bchannel *bc)
 
static void enc_ie_restart_ind (unsigned char **ntmode, msg_t *msg, unsigned char rind, int nt, struct misdn_bchannel *bc)
 
static void enc_ie_useruser (unsigned char **ntmode, msg_t *msg, int protocol, char *user, int user_len, int nt, struct misdn_bchannel *bc)
 
static void strnncpy (char *dest, const char *src, size_t len, size_t dst_len)
 

Detailed Description

Interface to mISDN.

Author
Christian Richter crich.nosp@m.@ber.nosp@m.onet..nosp@m.com

Definition in file ie.c.

Macro Definition Documentation

◆ MISDN_IE_DEBG

#define MISDN_IE_DEBG   0

Definition at line 43 of file ie.c.

Referenced by dec_ie_bearer(), dec_ie_called_pn(), dec_ie_calling_pn(), dec_ie_cause(), dec_ie_channel_id(), dec_ie_complete(), dec_ie_connected_pn(), dec_ie_keypad(), dec_ie_notify(), dec_ie_progress(), dec_ie_redir_dn(), dec_ie_redir_nr(), dec_ie_useruser(), enc_ie_bearer(), enc_ie_called_pn(), enc_ie_calling_pn(), enc_ie_cause(), enc_ie_complete(), enc_ie_connected_pn(), enc_ie_date(), enc_ie_display(), enc_ie_keypad(), enc_ie_notify(), enc_ie_progress(), enc_ie_redir_dn(), enc_ie_redir_nr(), and enc_ie_useruser().

Function Documentation

◆ dec_ie_bearer()

static void dec_ie_bearer ( unsigned char *  p,
Q931_info_t *  qi,
int *  coding,
int *  capability,
int *  mode,
int *  rate,
int *  multi,
int *  user,
int *  async,
int *  urate,
int *  stopbits,
int *  dbits,
int *  parity,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 160 of file ie.c.

References bc, debug, done, MISDN_IE_DEBG, and NULL.

Referenced by parse_setup().

162 {
163  int octet;
164  *coding = -1;
165  *capability = -1;
166  *mode = -1;
167  *rate = -1;
168  *multi = -1;
169  *user = -1;
170  *async = -1;
171  *urate = -1;
172  *stopbits = -1;
173  *dbits = -1;
174  *parity = -1;
175 
176  if (!nt)
177  {
178  p = NULL;
179 #ifdef LLC_SUPPORT
180  if (qi->QI_ELEMENT(llc)) {
181 
182  p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(llc) + 1;
183  }
184 #endif
185  if (qi->QI_ELEMENT(bearer_capability))
186  p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(bearer_capability) + 1;
187  }
188  if (!p)
189  return;
190 
191  if (p[0] < 2)
192  {
193  printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
194  return;
195  }
196 
197  *coding = (p[1]&0x60) >> 5;
198  *capability = p[1] & 0x1f;
199  octet = 2;
200  if (!(p[1] & 0x80))
201  octet++;
202 
203  if (p[0] < octet)
204  goto done;
205 
206  *mode = (p[octet]&0x60) >> 5;
207  *rate = p[octet] & 0x1f;
208 
209  octet++;
210 
211  if (p[0] < octet)
212  goto done;
213 
214  if (*rate == 0x18) {
215  /* Rate multiplier only present if 64Kb/s base rate */
216  *multi = p[octet++] & 0x7f;
217  }
218 
219  if (p[0] < octet)
220  goto done;
221 
222  /* Start L1 info */
223  if ((p[octet] & 0x60) == 0x20) {
224  *user = p[octet] & 0x1f;
225 
226  if (p[0] <= octet)
227  goto done;
228 
229  if (p[octet++] & 0x80)
230  goto l2;
231 
232  *async = !!(p[octet] & 0x40);
233  /* 0x20 is inband negotiation */
234  *urate = p[octet] & 0x1f;
235 
236  if (p[0] <= octet)
237  goto done;
238 
239  if (p[octet++] & 0x80)
240  goto l2;
241 
242  /* Ignore next byte for now: Intermediate rate, NIC, flow control */
243 
244  if (p[0] <= octet)
245  goto done;
246 
247  if (p[octet++] & 0x80)
248  goto l2;
249 
250  /* And the next one. Header, multiframe, mode, assignor/ee, negotiation */
251 
252  if (p[0] <= octet)
253  goto done;
254 
255  if (~p[octet++] & 0x80)
256  goto l2;
257 
258  /* Wheee. V.110 speed information */
259 
260  *stopbits = (p[octet] & 0x60) >> 5;
261  *dbits = (p[octet] & 0x18) >> 3;
262  *parity = p[octet] & 7;
263 
264  octet++;
265  }
266  l2: /* Nobody seems to want the rest so we don't bother (yet) */
267  done:
268  if (MISDN_IE_DEBG) printf(" coding=%d capability=%d mode=%d rate=%d multi=%d user=%d async=%d urate=%d stopbits=%d dbits=%d parity=%d\n", *coding, *capability, *mode, *rate, *multi, *user, *async, *urate, *stopbits, *dbits, *parity);
269 }
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
NULL
#define NULL
Definition: resample.c:96
done
int done
Definition: test_amihooks.c:48
user
structure to hold users read from users.conf
Definition: res_phoneprov.c:312

◆ dec_ie_called_pn()

static void dec_ie_called_pn ( unsigned char *  p,
Q931_info_t *  qi,
int *  type,
int *  plan,
char *  number,
size_t  number_len,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 387 of file ie.c.

References MISDN_IE_DEBG, NULL, and strnncpy().

Referenced by parse_information(), and parse_setup().

388 {
389  *type = -1;
390  *plan = -1;
391  *number = '\0';
392 
393  if (!nt)
394  {
395  p = NULL;
396  if (qi->QI_ELEMENT(called_nr))
397  p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(called_nr) + 1;
398  }
399  if (!p)
400  return;
401  if (p[0] < 2)
402  {
403  printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
404  return;
405  }
406 
407  *type = (p[1]&0x70) >> 4;
408  *plan = p[1] & 0xf;
409  strnncpy(number, (char *)p+2, p[0]-1, number_len);
410 
411  if (MISDN_IE_DEBG) printf(" type=%d plan=%d number='%s'\n", *type, *plan, number);
412 }
type
static const char type[]
Definition: chan_ooh323.c:109
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
NULL
#define NULL
Definition: resample.c:96
number
Number structure.
Definition: app_followme.c:154
strnncpy
static void strnncpy(char *dest, const char *src, size_t len, size_t dst_len)
Definition: ie.c:46

◆ dec_ie_calling_pn()

static void dec_ie_calling_pn ( unsigned char *  p,
Q931_info_t *  qi,
int *  type,
int *  plan,
int *  present,
int *  screen,
char *  number,
size_t  number_len,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 471 of file ie.c.

References MISDN_IE_DEBG, NULL, and strnncpy().

Referenced by parse_setup().

472 {
473  *type = -1;
474  *plan = -1;
475  *present = -1;
476  *screen = -1;
477  *number = '\0';
478 
479  if (!nt)
480  {
481  p = NULL;
482  if (qi->QI_ELEMENT(calling_nr))
483  p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(calling_nr) + 1;
484  }
485  if (!p)
486  return;
487  if (p[0] < 1)
488  {
489  printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
490  return;
491  }
492 
493  *type = (p[1]&0x70) >> 4;
494  *plan = p[1] & 0xf;
495  if (!(p[1] & 0x80))
496  {
497  if (p[0] < 2)
498  {
499  printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
500  return;
501  }
502  *present = (p[2]&0x60) >> 5;
503  *screen = p[2] & 0x3;
504  strnncpy(number, (char *)p+3, p[0]-2, number_len);
505  } else
506  {
507  strnncpy(number, (char *)p+2, p[0]-1, number_len);
508  /* SPECIAL workarround for IBT software bug */
509  /* if (number[0]==0x80) */
510  /* strcpy((char *)number, (char *)number+1); */
511  }
512 
513  if (MISDN_IE_DEBG) printf(" type=%d plan=%d present=%d screen=%d number='%s'\n", *type, *plan, *present, *screen, number);
514 }
type
static const char type[]
Definition: chan_ooh323.c:109
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
NULL
#define NULL
Definition: resample.c:96
number
Number structure.
Definition: app_followme.c:154
strnncpy
static void strnncpy(char *dest, const char *src, size_t len, size_t dst_len)
Definition: ie.c:46

◆ dec_ie_cause()

static void dec_ie_cause ( unsigned char *  p,
Q931_info_t *  qi,
int *  location,
int *  cause,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 664 of file ie.c.

References MISDN_IE_DEBG, and NULL.

Referenced by parse_disconnect(), parse_release(), parse_release_complete(), and parse_status().

665 {
666  *location = -1;
667  *cause = -1;
668 
669  if (!nt)
670  {
671  p = NULL;
672  if (qi->QI_ELEMENT(cause))
673  p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(cause) + 1;
674  }
675  if (!p)
676  return;
677  if (p[0] < 2)
678  {
679  printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
680  return;
681  }
682 
683  *location = p[1] & 0x0f;
684  *cause = p[2] & 0x7f;
685 
686  if (MISDN_IE_DEBG) printf(" location=%d cause=%d\n", *location, *cause);
687 }
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
NULL
#define NULL
Definition: resample.c:96

◆ dec_ie_channel_id()

static void dec_ie_channel_id ( unsigned char *  p,
Q931_info_t *  qi,
int *  exclusive,
int *  channel,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 766 of file ie.c.

References get_stack_by_bc(), MISDN_IE_DEBG, NULL, and misdn_stack::pri.

Referenced by parse_proceeding(), parse_restart(), parse_setup(), and parse_setup_acknowledge().

767 {
768  struct misdn_stack *stack=get_stack_by_bc(bc);
769  int pri =stack->pri;
770 
771  *exclusive = -1;
772  *channel = -1;
773 
774  if (!nt)
775  {
776  p = NULL;
777  if (qi->QI_ELEMENT(channel_id))
778  p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(channel_id) + 1;
779  }
780  if (!p)
781  return;
782  if (p[0] < 1)
783  {
784  printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
785  return;
786  }
787 
788  if (p[1] & 0x40)
789  {
790  printf("%s: ERROR: refering to channels of other interfaces is not supported.\n", __FUNCTION__);
791  return;
792  }
793  if (p[1] & 0x04)
794  {
795  printf("%s: ERROR: using d-channel is not supported.\n", __FUNCTION__);
796  return;
797  }
798 
799  *exclusive = (p[1]&0x08) >> 3;
800  if (!pri)
801  {
802  /* BRI */
803  if (p[1] & 0x20)
804  {
805  printf("%s: ERROR: extended channel ID with non PRI interface.\n", __FUNCTION__);
806  return;
807  }
808  *channel = p[1] & 0x03;
809  if (*channel == 3)
810  *channel = 0xff;
811  } else
812  {
813  /* PRI */
814  if (p[0] < 1)
815  {
816  printf("%s: ERROR: IE too short for PRI (%d).\n", __FUNCTION__, p[0]);
817  return;
818  }
819  if (!(p[1] & 0x20))
820  {
821  printf("%s: ERROR: basic channel ID with PRI interface.\n", __FUNCTION__);
822  return;
823  }
824  if ((p[1]&0x03) == 0x00)
825  {
826  /* no channel */
827  *channel = 0;
828  return;
829  }
830  if ((p[1]&0x03) == 0x03)
831  {
832  /* any channel */
833  *channel = 0xff;
834  return;
835  }
836  if (p[0] < 3)
837  {
838  printf("%s: ERROR: IE too short for PRI with channel(%d).\n", __FUNCTION__, p[0]);
839  return;
840  }
841  if (p[2] & 0x10)
842  {
843  printf("%s: ERROR: channel map not supported.\n", __FUNCTION__);
844  return;
845  }
846  *channel = p[3] & 0x7f;
847  if ( (*channel<1) | (*channel==16) | (*channel>31))
848  {
849  printf("%s: ERROR: PRI interface channel out of range (%d).\n", __FUNCTION__, *channel);
850  return;
851  }
852 /* if (MISDN_IE_DEBG) printf("%02hhx %02hhx %02hhx\n", p[1], p[2], p[3]); */
853  }
854 
855  if (MISDN_IE_DEBG) printf(" exclusive=%d channel=%d\n", *exclusive, *channel);
856 }
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
channel
Definition: muted.c:95
NULL
#define NULL
Definition: resample.c:96
misdn_stack
Definition: isdn_lib_intern.h:64
misdn_stack::pri
int pri
TRUE if ISDN-PRI (ISDN-BRI otherwise)
Definition: isdn_lib_intern.h:115
get_stack_by_bc
struct misdn_stack * get_stack_by_bc(struct misdn_bchannel *bc)
Definition: isdn_lib.c:152
misdn_stack::nt
int nt
TRUE if NT side of protocol (TE otherwise)
Definition: isdn_lib_intern.h:112

◆ dec_ie_complete()

static void dec_ie_complete ( unsigned char *  p,
Q931_info_t *  qi,
int *  complete,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 83 of file ie.c.

References MISDN_IE_DEBG.

Referenced by parse_setup().

84 {
85  *complete = 0;
86  if (!nt)
87  {
88  if (qi->QI_ELEMENT(sending_complete))
89  *complete = 1;
90  } else
91  if (p)
92  *complete = 1;
93 
94  if (*complete)
95  if (MISDN_IE_DEBG) printf(" complete=%d\n", *complete);
96 }
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
misdn_stack::nt
int nt
TRUE if NT side of protocol (TE otherwise)
Definition: isdn_lib_intern.h:112

◆ dec_ie_connected_pn()

static void dec_ie_connected_pn ( unsigned char *  p,
Q931_info_t *  qi,
int *  type,
int *  plan,
int *  present,
int *  screen,
char *  number,
size_t  number_len,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 573 of file ie.c.

References MISDN_IE_DEBG, NULL, and strnncpy().

Referenced by parse_connect().

574 {
575  *type = -1;
576  *plan = -1;
577  *present = -1;
578  *screen = -1;
579  *number = '\0';
580 
581  if (!nt)
582  {
583  p = NULL;
584  if (qi->QI_ELEMENT(connected_nr))
585  p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(connected_nr) + 1;
586  }
587  if (!p)
588  return;
589  if (p[0] < 1)
590  {
591  printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
592  return;
593  }
594 
595  *type = (p[1]&0x70) >> 4;
596  *plan = p[1] & 0xf;
597  if (!(p[1] & 0x80))
598  {
599  if (p[0] < 2)
600  {
601  printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
602  return;
603  }
604  *present = (p[2]&0x60) >> 5;
605  *screen = p[2] & 0x3;
606  strnncpy(number, (char *)p+3, p[0]-2, number_len);
607  } else
608  {
609  strnncpy(number, (char *)p+2, p[0]-1, number_len);
610  }
611 
612  if (MISDN_IE_DEBG) printf(" type=%d plan=%d present=%d screen=%d number='%s'\n", *type, *plan, *present, *screen, number);
613 }
type
static const char type[]
Definition: chan_ooh323.c:109
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
NULL
#define NULL
Definition: resample.c:96
number
Number structure.
Definition: app_followme.c:154
strnncpy
static void strnncpy(char *dest, const char *src, size_t len, size_t dst_len)
Definition: ie.c:46
misdn_stack::nt
int nt
TRUE if NT side of protocol (TE otherwise)
Definition: isdn_lib_intern.h:112

◆ dec_ie_keypad()

static void dec_ie_keypad ( unsigned char *  p,
Q931_info_t *  qi,
char *  keypad,
size_t  keypad_len,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 973 of file ie.c.

References MISDN_IE_DEBG, NULL, and strnncpy().

Referenced by parse_information(), and parse_setup().

974 {
975  *keypad = '\0';
976 
977  if (!nt)
978  {
979  p = NULL;
980  if (qi->QI_ELEMENT(keypad))
981  p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(keypad) + 1;
982  }
983  if (!p)
984  return;
985  if (p[0] < 1)
986  {
987  printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
988  return;
989  }
990 
991  strnncpy(keypad, (char *)p+1, p[0], keypad_len);
992 
993  if (MISDN_IE_DEBG) printf(" keypad='%s'\n", keypad);
994 }
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
NULL
#define NULL
Definition: resample.c:96
strnncpy
static void strnncpy(char *dest, const char *src, size_t len, size_t dst_len)
Definition: ie.c:46
misdn_stack::nt
int nt
TRUE if NT side of protocol (TE otherwise)
Definition: isdn_lib_intern.h:112

◆ dec_ie_notify()

static void dec_ie_notify ( unsigned char *  p,
Q931_info_t *  qi,
int *  notify,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 1023 of file ie.c.

References MISDN_IE_DEBG, and NULL.

Referenced by parse_facility(), and parse_notify().

1024 {
1025  *notify = -1;
1026 
1027  if (!nt)
1028  {
1029  p = NULL;
1030  if (qi->QI_ELEMENT(notify))
1031  p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(notify) + 1;
1032  }
1033  if (!p)
1034  return;
1035  if (p[0] < 1)
1036  {
1037  printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
1038  return;
1039  }
1040 
1041  *notify = p[1] & 0x7f;
1042 
1043  if (MISDN_IE_DEBG) printf(" notify=%d\n", *notify);
1044 }
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
NULL
#define NULL
Definition: resample.c:96
misdn_stack::nt
int nt
TRUE if NT side of protocol (TE otherwise)
Definition: isdn_lib_intern.h:112

◆ dec_ie_progress()

static void dec_ie_progress ( unsigned char *  p,
Q931_info_t *  qi,
int *  coding,
int *  location,
int *  progress,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 1084 of file ie.c.

References MISDN_IE_DEBG, and NULL.

Referenced by parse_alerting(), parse_connect(), parse_disconnect(), parse_proceeding(), parse_progress(), parse_setup(), and parse_setup_acknowledge().

1085 {
1086  *coding = -1;
1087  *location = -1;
1088  //*progress = -1;
1089  *progress = 0;
1090 
1091  if (!nt)
1092  {
1093  p = NULL;
1094  if (qi->QI_ELEMENT(progress))
1095  p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(progress) + 1;
1096  }
1097  if (!p)
1098  return;
1099  if (p[0] < 1)
1100  {
1101  printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
1102  return;
1103  }
1104 
1105  *coding = (p[1]&0x60) >> 5;
1106  *location = p[1] & 0x0f;
1107  *progress = p[2] & 0x7f;
1108 
1109  if (MISDN_IE_DEBG) printf(" coding=%d location=%d progress=%d\n", *coding, *location, *progress);
1110 }
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
NULL
#define NULL
Definition: resample.c:96
progress
Definition: dsp.c:117
misdn_stack::nt
int nt
TRUE if NT side of protocol (TE otherwise)
Definition: isdn_lib_intern.h:112

◆ dec_ie_redir_dn()

static void dec_ie_redir_dn ( unsigned char *  p,
Q931_info_t *  qi,
int *  type,
int *  plan,
int *  present,
char *  number,
size_t  number_len,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 1286 of file ie.c.

References MISDN_IE_DEBG, NULL, and strnncpy().

Referenced by parse_facility(), and parse_notify().

1287 {
1288  *type = -1;
1289  *plan = -1;
1290  *present = -1;
1291  *number = '\0';
1292 
1293  if (!nt)
1294  {
1295  p = NULL;
1296  if (qi->QI_ELEMENT(redirect_dn))
1297  p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(redirect_dn) + 1;
1298  }
1299  if (!p)
1300  return;
1301  if (p[0] < 1)
1302  {
1303  printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
1304  return;
1305  }
1306 
1307  *type = (p[1]&0x70) >> 4;
1308  *plan = p[1] & 0xf;
1309  if (!(p[1] & 0x80))
1310  {
1311  *present = (p[2]&0x60) >> 5;
1312  strnncpy(number, (char *)p+3, p[0]-2, number_len);
1313  } else
1314  {
1315  strnncpy(number, (char *)p+2, p[0]-1, number_len);
1316  }
1317 
1318  if (MISDN_IE_DEBG) printf(" type=%d plan=%d present=%d number='%s'\n", *type, *plan, *present, number);
1319 }
type
static const char type[]
Definition: chan_ooh323.c:109
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
NULL
#define NULL
Definition: resample.c:96
number
Number structure.
Definition: app_followme.c:154
strnncpy
static void strnncpy(char *dest, const char *src, size_t len, size_t dst_len)
Definition: ie.c:46
misdn_stack::nt
int nt
TRUE if NT side of protocol (TE otherwise)
Definition: isdn_lib_intern.h:112

◆ dec_ie_redir_nr()

static void dec_ie_redir_nr ( unsigned char *  p,
Q931_info_t *  qi,
int *  type,
int *  plan,
int *  present,
int *  screen,
int *  reason,
char *  number,
size_t  number_len,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 1188 of file ie.c.

References MISDN_IE_DEBG, NULL, and strnncpy().

Referenced by parse_setup().

1189 {
1190  *type = -1;
1191  *plan = -1;
1192  *present = -1;
1193  *screen = -1;
1194  *reason = -1;
1195  *number = '\0';
1196 
1197  if (!nt)
1198  {
1199  p = NULL;
1200  if (qi->QI_ELEMENT(redirect_nr))
1201  p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(redirect_nr) + 1;
1202  }
1203  if (!p)
1204  return;
1205  if (p[0] < 1)
1206  {
1207  printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
1208  return;
1209  }
1210 
1211  *type = (p[1]&0x70) >> 4;
1212  *plan = p[1] & 0xf;
1213  if (!(p[1] & 0x80))
1214  {
1215  *present = (p[2]&0x60) >> 5;
1216  *screen = p[2] & 0x3;
1217  if (!(p[2] & 0x80))
1218  {
1219  *reason = p[3] & 0x0f;
1220  strnncpy(number, (char *)p+4, p[0]-3, number_len);
1221  } else
1222  {
1223  strnncpy(number, (char *)p+3, p[0]-2, number_len);
1224  }
1225  } else
1226  {
1227  strnncpy(number, (char *)p+2, p[0]-1, number_len);
1228  }
1229 
1230  if (MISDN_IE_DEBG) printf(" type=%d plan=%d present=%d screen=%d reason=%d number='%s'\n", *type, *plan, *present, *screen, *reason, number);
1231 }
type
static const char type[]
Definition: chan_ooh323.c:109
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
NULL
#define NULL
Definition: resample.c:96
number
Number structure.
Definition: app_followme.c:154
strnncpy
static void strnncpy(char *dest, const char *src, size_t len, size_t dst_len)
Definition: ie.c:46
misdn_stack::nt
int nt
TRUE if NT side of protocol (TE otherwise)
Definition: isdn_lib_intern.h:112

◆ dec_ie_useruser()

static void dec_ie_useruser ( unsigned char *  p,
Q931_info_t *  qi,
int *  protocol,
char *  user,
int *  user_len,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 1365 of file ie.c.

References debug, MISDN_IE_DEBG, and NULL.

Referenced by parse_setup().

1366 {
1367  *user_len = 0;
1368  *protocol = -1;
1369 
1370  if (!nt)
1371  {
1372  p = NULL;
1373  if (qi->QI_ELEMENT(useruser))
1374  p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(useruser) + 1;
1375  }
1376  if (!p)
1377  return;
1378 
1379  *user_len = p[0]-1;
1380  if (p[0] < 1)
1381  return;
1382  *protocol = p[1];
1383  memcpy(user, p+2, (*user_len<=128)?*(user_len):128); /* clip to 128 maximum */
1384 
1385  if (MISDN_IE_DEBG) {
1386  int i;
1387  char debug[768];
1388 
1389  for (i = 0; i < *user_len; ++i) {
1390  sprintf(debug + (i * 3), " %02hhx", (unsigned char)user[i]);
1391  }
1392  debug[i * 3] = 0;
1393  printf(" protocol=%d user-user%s\n", *protocol, debug);
1394  }
1395 }
debug
static int debug
Global debug status.
Definition: res_xmpp.c:435
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
NULL
#define NULL
Definition: resample.c:96
misdn_stack::nt
int nt
TRUE if NT side of protocol (TE otherwise)
Definition: isdn_lib_intern.h:112
user
structure to hold users read from users.conf
Definition: res_phoneprov.c:312

◆ enc_ie_bearer()

static void enc_ie_bearer ( unsigned char **  ntmode,
msg_t *  msg,
int  coding,
int  capability,
int  mode,
int  rate,
int  multi,
int  user,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 100 of file ie.c.

References MISDN_IE_DEBG.

Referenced by build_setup().

101 {
102  unsigned char *p;
103  Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
104  int l;
105 
106  if (coding<0 || coding>3)
107  {
108  printf("%s: ERROR: coding(%d) is out of range.\n", __FUNCTION__, coding);
109  return;
110  }
111  if (capability<0 || capability>31)
112  {
113  printf("%s: ERROR: capability(%d) is out of range.\n", __FUNCTION__, capability);
114  return;
115  }
116  if (mode<0 || mode>3)
117  {
118  printf("%s: ERROR: mode(%d) is out of range.\n", __FUNCTION__, mode);
119  return;
120  }
121  if (rate<0 || rate>31)
122  {
123  printf("%s: ERROR: rate(%d) is out of range.\n", __FUNCTION__, rate);
124  return;
125  }
126  if (multi>127)
127  {
128  printf("%s: ERROR: multi(%d) is out of range.\n", __FUNCTION__, multi);
129  return;
130  }
131  if (user>31)
132  {
133  printf("%s: ERROR: user L1(%d) is out of range.\n", __FUNCTION__, rate);
134  return;
135  }
136  if (rate!=24 && multi>=0)
137  {
138  printf("%s: WARNING: multi(%d) is only possible if rate(%d) would be 24.\n", __FUNCTION__, multi, rate);
139  multi = -1;
140  }
141 
142  if (MISDN_IE_DEBG) printf(" coding=%d capability=%d mode=%d rate=%d multi=%d user=%d\n", coding, capability, mode, rate, multi, user);
143 
144  l = 2 + (multi>=0) + (user>=0);
145  p = msg_put(msg, l+2);
146  if (nt)
147  *ntmode = p+1;
148  else
149  qi->QI_ELEMENT(bearer_capability) = p - (unsigned char *)qi - sizeof(Q931_info_t);
150  p[0] = IE_BEARER;
151  p[1] = l;
152  p[2] = 0x80 + (coding<<5) + capability;
153  p[3] = 0x80 + (mode<<5) + rate;
154  if (multi >= 0)
155  p[4] = 0x80 + multi;
156  if (user >= 0)
157  p[4+(multi>=0)] = 0xa0 + user;
158 }
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
misdn_stack::nt
int nt
TRUE if NT side of protocol (TE otherwise)
Definition: isdn_lib_intern.h:112
user
structure to hold users read from users.conf
Definition: res_phoneprov.c:312

◆ enc_ie_called_pn()

static void enc_ie_called_pn ( unsigned char **  ntmode,
msg_t *  msg,
int  type,
int  plan,
char *  number,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 351 of file ie.c.

References MISDN_IE_DEBG.

Referenced by build_information(), and build_setup().

352 {
353  unsigned char *p;
354  Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
355  int l;
356 
357  if (type<0 || type>7)
358  {
359  printf("%s: ERROR: type(%d) is out of range.\n", __FUNCTION__, type);
360  return;
361  }
362  if (plan<0 || plan>15)
363  {
364  printf("%s: ERROR: plan(%d) is out of range.\n", __FUNCTION__, plan);
365  return;
366  }
367  if (!number[0])
368  {
369  printf("%s: ERROR: number is not given.\n", __FUNCTION__);
370  return;
371  }
372 
373  if (MISDN_IE_DEBG) printf(" type=%d plan=%d number='%s'\n", type, plan, number);
374 
375  l = 1+strlen((char *)number);
376  p = msg_put(msg, l+2);
377  if (nt)
378  *ntmode = p+1;
379  else
380  qi->QI_ELEMENT(called_nr) = p - (unsigned char *)qi - sizeof(Q931_info_t);
381  p[0] = IE_CALLED_PN;
382  p[1] = l;
383  p[2] = 0x80 + (type<<4) + plan;
384  strncpy((char *)p+3, (char *)number, strlen((char *)number));
385 }
type
static const char type[]
Definition: chan_ooh323.c:109
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
number
Number structure.
Definition: app_followme.c:154
misdn_stack::nt
int nt
TRUE if NT side of protocol (TE otherwise)
Definition: isdn_lib_intern.h:112

◆ enc_ie_calling_pn()

static void enc_ie_calling_pn ( unsigned char **  ntmode,
msg_t *  msg,
int  type,
int  plan,
int  present,
int  screen,
char *  number,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 416 of file ie.c.

References MISDN_IE_DEBG.

Referenced by build_setup().

417 {
418  unsigned char *p;
419  Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
420  int l;
421 
422  if (type<0 || type>7)
423  {
424  printf("%s: ERROR: type(%d) is out of range.\n", __FUNCTION__, type);
425  return;
426  }
427  if (plan<0 || plan>15)
428  {
429  printf("%s: ERROR: plan(%d) is out of range.\n", __FUNCTION__, plan);
430  return;
431  }
432  if (present>3)
433  {
434  printf("%s: ERROR: present(%d) is out of range.\n", __FUNCTION__, present);
435  return;
436  }
437  if (present >= 0) if (screen<0 || screen>3)
438  {
439  printf("%s: ERROR: screen(%d) is out of range.\n", __FUNCTION__, screen);
440  return;
441  }
442 
443  if (MISDN_IE_DEBG) printf(" type=%d plan=%d present=%d screen=%d number='%s'\n", type, plan, present, screen, number);
444 
445  l = 1;
446  if (number) if (number[0])
447  l += strlen((char *)number);
448  if (present >= 0)
449  l += 1;
450  p = msg_put(msg, l+2);
451  if (nt)
452  *ntmode = p+1;
453  else
454  qi->QI_ELEMENT(calling_nr) = p - (unsigned char *)qi - sizeof(Q931_info_t);
455  p[0] = IE_CALLING_PN;
456  p[1] = l;
457  if (present >= 0)
458  {
459  p[2] = 0x00 + (type<<4) + plan;
460  p[3] = 0x80 + (present<<5) + screen;
461  if (number) if (number[0])
462  strncpy((char *)p+4, (char *)number, strlen((char *)number));
463  } else
464  {
465  p[2] = 0x80 + (type<<4) + plan;
466  if (number) if (number[0])
467  strncpy((char *)p+3, (char *)number, strlen((char *)number));
468  }
469 }
type
static const char type[]
Definition: chan_ooh323.c:109
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
number
Number structure.
Definition: app_followme.c:154
misdn_stack::nt
int nt
TRUE if NT side of protocol (TE otherwise)
Definition: isdn_lib_intern.h:112

◆ enc_ie_cause()

static void enc_ie_cause ( unsigned char **  ntmode,
msg_t *  msg,
int  location,
int  cause,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 617 of file ie.c.

References MISDN_IE_DEBG.

Referenced by build_disconnect(), build_release(), and build_release_complete().

618 {
619  unsigned char *p;
620  Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
621  int l;
622 
623  if (location<0 || location>7)
624  {
625  printf("%s: ERROR: location(%d) is out of range.\n", __FUNCTION__, location);
626  return;
627  }
628  if (cause<0 || cause>127)
629  {
630  printf("%s: ERROR: cause(%d) is out of range.\n", __FUNCTION__, cause);
631  return;
632  }
633 
634  if (MISDN_IE_DEBG) printf(" location=%d cause=%d\n", location, cause);
635 
636  l = 2;
637  p = msg_put(msg, l+2);
638  if (nt)
639  *ntmode = p+1;
640  else
641  qi->QI_ELEMENT(cause) = p - (unsigned char *)qi - sizeof(Q931_info_t);
642  p[0] = IE_CAUSE;
643  p[1] = l;
644  p[2] = 0x80 + location;
645  p[3] = 0x80 + cause;
646 }
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
misdn_stack::nt
int nt
TRUE if NT side of protocol (TE otherwise)
Definition: isdn_lib_intern.h:112

◆ enc_ie_channel_id()

static void enc_ie_channel_id ( unsigned char **  ntmode,
msg_t *  msg,
int  exclusive,
int  channel,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 691 of file ie.c.

References get_stack_by_bc(), and misdn_stack::pri.

Referenced by build_alerting(), build_connect_acknowledge(), build_proceeding(), build_restart(), build_retrieve_acknowledge(), build_setup(), and build_setup_acknowledge().

692 {
693  unsigned char *p;
694  Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
695  int l;
696  struct misdn_stack *stack=get_stack_by_bc(bc);
697  int pri = stack->pri;
698 
699  if (exclusive<0 || exclusive>1)
700  {
701  printf("%s: ERROR: exclusive(%d) is out of range.\n", __FUNCTION__, exclusive);
702  return;
703  }
704  if ((channel<0 || channel>0xff)
705  || (!pri && (channel>2 && channel<0xff))
706  || (pri && (channel>31 && channel<0xff))
707  || (pri && channel==16))
708  {
709  printf("%s: ERROR: channel(%d) is out of range.\n", __FUNCTION__, channel);
710  return;
711  }
712 
713  /* if (MISDN_IE_DEBG) printf(" exclusive=%d channel=%d\n", exclusive, channel); */
714 
715 
716  if (!pri)
717  {
718  /* BRI */
719  l = 1;
720  p = msg_put(msg, l+2);
721  if (nt)
722  *ntmode = p+1;
723  else
724  qi->QI_ELEMENT(channel_id) = p - (unsigned char *)qi - sizeof(Q931_info_t);
725  p[0] = IE_CHANNEL_ID;
726  p[1] = l;
727  if (channel == 0xff)
728  channel = 3;
729  p[2] = 0x80 + (exclusive<<3) + channel;
730  /* printf(" exclusive=%d channel=%d\n", exclusive, channel); */
731  } else
732  {
733  /* PRI */
734  if (channel == 0) /* no channel */
735  return; /* IE not present */
736 /* if (MISDN_IE_DEBG) printf("channel = %d\n", channel); */
737  if (channel == 0xff) /* any channel */
738  {
739  l = 1;
740  p = msg_put(msg, l+2);
741  if (nt)
742  *ntmode = p+1;
743  else
744  qi->QI_ELEMENT(channel_id) = p - (unsigned char *)qi - sizeof(Q931_info_t);
745  p[0] = IE_CHANNEL_ID;
746  p[1] = l;
747  p[2] = 0x80 + 0x20 + 0x03;
748 /* if (MISDN_IE_DEBG) printf("%02hhx\n", p[2]); */
749  return; /* end */
750  }
751  l = 3;
752  p = msg_put(msg, l+2);
753  if (nt)
754  *ntmode = p+1;
755  else
756  qi->QI_ELEMENT(channel_id) = p - (unsigned char *)qi - sizeof(Q931_info_t);
757  p[0] = IE_CHANNEL_ID;
758  p[1] = l;
759  p[2] = 0x80 + 0x20 + (exclusive<<3) + 0x01;
760  p[3] = 0x80 + 3; /* CCITT, Number, B-type */
761  p[4] = 0x80 + channel;
762 /* if (MISDN_IE_DEBG) printf("%02hhx %02hhx %02hhx\n", p[2], p[3], p[4]); */
763  }
764 }
channel
Definition: muted.c:95
misdn_stack
Definition: isdn_lib_intern.h:64
misdn_stack::pri
int pri
TRUE if ISDN-PRI (ISDN-BRI otherwise)
Definition: isdn_lib_intern.h:115
get_stack_by_bc
struct misdn_stack * get_stack_by_bc(struct misdn_bchannel *bc)
Definition: isdn_lib.c:152
misdn_stack::nt
int nt
TRUE if NT side of protocol (TE otherwise)
Definition: isdn_lib_intern.h:112

◆ enc_ie_complete()

static void enc_ie_complete ( unsigned char **  ntmode,
msg_t *  msg,
int  complete,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 56 of file ie.c.

References MISDN_IE_DEBG.

Referenced by build_setup().

57 {
58  unsigned char *p;
59  Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
60 
61  if (complete<0 || complete>1)
62  {
63  printf("%s: ERROR: complete(%d) is out of range.\n", __FUNCTION__, complete);
64  return;
65  }
66 
67  if (complete)
68  if (MISDN_IE_DEBG) printf(" complete=%d\n", complete);
69 
70  if (complete)
71  {
72  p = msg_put(msg, 1);
73  if (nt)
74  {
75  *ntmode = p;
76  } else
77  qi->QI_ELEMENT(sending_complete) = p - (unsigned char *)qi - sizeof(Q931_info_t);
78 
79  p[0] = IE_COMPLETE;
80  }
81 }
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
misdn_stack::nt
int nt
TRUE if NT side of protocol (TE otherwise)
Definition: isdn_lib_intern.h:112

◆ enc_ie_connected_pn()

static void enc_ie_connected_pn ( unsigned char **  ntmode,
msg_t *  msg,
int  type,
int  plan,
int  present,
int  screen,
char *  number,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 518 of file ie.c.

References MISDN_IE_DEBG.

Referenced by build_connect().

519 {
520  unsigned char *p;
521  Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
522  int l;
523 
524  if (type<0 || type>7)
525  {
526  printf("%s: ERROR: type(%d) is out of range.\n", __FUNCTION__, type);
527  return;
528  }
529  if (plan<0 || plan>15)
530  {
531  printf("%s: ERROR: plan(%d) is out of range.\n", __FUNCTION__, plan);
532  return;
533  }
534  if (present>3)
535  {
536  printf("%s: ERROR: present(%d) is out of range.\n", __FUNCTION__, present);
537  return;
538  }
539  if (present >= 0) if (screen<0 || screen>3)
540  {
541  printf("%s: ERROR: screen(%d) is out of range.\n", __FUNCTION__, screen);
542  return;
543  }
544 
545  if (MISDN_IE_DEBG) printf(" type=%d plan=%d present=%d screen=%d number='%s'\n", type, plan, present, screen, number);
546 
547  l = 1;
548  if (number) if (number[0])
549  l += strlen((char *)number);
550  if (present >= 0)
551  l += 1;
552  p = msg_put(msg, l+2);
553  if (nt)
554  *ntmode = p+1;
555  else
556  qi->QI_ELEMENT(connected_nr) = p - (unsigned char *)qi - sizeof(Q931_info_t);
557  p[0] = IE_CONNECT_PN;
558  p[1] = l;
559  if (present >= 0)
560  {
561  p[2] = 0x00 + (type<<4) + plan;
562  p[3] = 0x80 + (present<<5) + screen;
563  if (number) if (number[0])
564  strncpy((char *)p+4, (char *)number, strlen((char *)number));
565  } else
566  {
567  p[2] = 0x80 + (type<<4) + plan;
568  if (number) if (number[0])
569  strncpy((char *)p+3, (char *)number, strlen((char *)number));
570  }
571 }
type
static const char type[]
Definition: chan_ooh323.c:109
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
number
Number structure.
Definition: app_followme.c:154
misdn_stack::nt
int nt
TRUE if NT side of protocol (TE otherwise)
Definition: isdn_lib_intern.h:112

◆ enc_ie_date()

static void enc_ie_date ( unsigned char **  ntmode,
msg_t *  msg,
time_t  ti,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 860 of file ie.c.

References ast_localtime(), MISDN_IE_DEBG, NULL, ast_tm::tm_hour, ast_tm::tm_mday, ast_tm::tm_min, ast_tm::tm_mon, and ast_tm::tm_year.

Referenced by build_connect().

861 {
862  unsigned char *p;
863  Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
864  int l;
865  struct timeval tv = { ti, 0 };
866  struct ast_tm tm;
867 
868  ast_localtime(&tv, &tm, NULL);
869  if (MISDN_IE_DEBG) printf(" year=%d month=%d day=%d hour=%d minute=%d\n", tm.tm_year%100, tm.tm_mon+1, tm.tm_mday, tm.tm_hour, tm.tm_min);
870 
871  l = 5;
872  p = msg_put(msg, l+2);
873  if (nt)
874  *ntmode = p+1;
875  else
876  qi->QI_ELEMENT(date) = p - (unsigned char *)qi - sizeof(Q931_info_t);
877  p[0] = IE_DATE;
878  p[1] = l;
879  p[2] = tm.tm_year % 100;
880  p[3] = tm.tm_mon + 1;
881  p[4] = tm.tm_mday;
882  p[5] = tm.tm_hour;
883  p[6] = tm.tm_min;
884 }
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
ast_localtime
struct ast_tm * ast_localtime(const struct timeval *timep, struct ast_tm *p_tm, const char *zone)
Timezone-independent version of localtime_r(3).
Definition: localtime.c:1739
NULL
#define NULL
Definition: resample.c:96
ast_tm
Definition: localtime.h:35

◆ enc_ie_display()

static void enc_ie_display ( unsigned char **  ntmode,
msg_t *  msg,
char *  display,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 888 of file ie.c.

References MISDN_IE_DEBG, NULL, and strnncpy().

Referenced by build_connect(), build_facility(), build_information(), and build_setup().

889 {
890  unsigned char *p;
891  Q931_info_t *qi = (Q931_info_t *) (msg->data + mISDN_HEADER_LEN);
892  int l;
893 
894  if (!display[0])
895  {
896  printf("%s: ERROR: display text not given.\n", __FUNCTION__);
897  return;
898  }
899 
900  l = strlen(display);
901  if (80 < l)
902  {
903  l = 80;
904  printf("%s: WARNING: display text too long (max %d chars), cutting.\n", __FUNCTION__, l);
905  display[l] = '\0';
906  }
907 
908  /* if (MISDN_IE_DEBG) printf(" display='%s' (len=%d)\n", display, l); */
909 
910  p = msg_put(msg, l + 2);
911  if (nt)
912  *ntmode = p + 1;
913  else
914  qi->QI_ELEMENT(display) = p - (unsigned char *) qi - sizeof(Q931_info_t);
915  p[0] = IE_DISPLAY;
916  p[1] = l;
917  strncpy((char *) p + 2, display, l);
918 }

◆ enc_ie_keypad()

static void enc_ie_keypad ( unsigned char **  ntmode,
msg_t *  msg,
char *  keypad,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 947 of file ie.c.

References MISDN_IE_DEBG.

Referenced by build_setup().

948 {
949  unsigned char *p;
950  Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
951  int l;
952 
953  if (!keypad[0])
954  {
955  printf("%s: ERROR: keypad info not given.\n", __FUNCTION__);
956  return;
957  }
958 
959  if (MISDN_IE_DEBG) printf(" keypad='%s'\n", keypad);
960 
961  l = strlen(keypad);
962  p = msg_put(msg, l+2);
963  if (nt)
964  *ntmode = p+1;
965  else
966  qi->QI_ELEMENT(keypad) = p - (unsigned char *)qi - sizeof(Q931_info_t);
967  p[0] = IE_KEYPAD;
968  p[1] = l;
969  strncpy((char *)p+2, keypad, strlen(keypad));
970 }
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43

◆ enc_ie_notify()

static void enc_ie_notify ( unsigned char **  ntmode,
msg_t *  msg,
int  notify,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 998 of file ie.c.

References MISDN_IE_DEBG.

Referenced by build_facility(), and build_notify().

999 {
1000  unsigned char *p;
1001  Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
1002  int l;
1003 
1004  if (notify<0 || notify>0x7f)
1005  {
1006  printf("%s: ERROR: notify(%d) is out of range.\n", __FUNCTION__, notify);
1007  return;
1008  }
1009 
1010  if (MISDN_IE_DEBG) printf(" notify=%d\n", notify);
1011 
1012  l = 1;
1013  p = msg_put(msg, l+2);
1014  if (nt)
1015  *ntmode = p+1;
1016  else
1017  qi->QI_ELEMENT(notify) = p - (unsigned char *)qi - sizeof(Q931_info_t);
1018  p[0] = IE_NOTIFY;
1019  p[1] = l;
1020  p[2] = 0x80 + notify;
1021 }
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43

◆ enc_ie_progress()

static void enc_ie_progress ( unsigned char **  ntmode,
msg_t *  msg,
int  coding,
int  location,
int  progress,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 1048 of file ie.c.

References MISDN_IE_DEBG.

Referenced by build_alerting(), build_disconnect(), build_proceeding(), build_progress(), and build_setup_acknowledge().

1049 {
1050  unsigned char *p;
1051  Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
1052  int l;
1053 
1054  if (coding<0 || coding>0x03)
1055  {
1056  printf("%s: ERROR: coding(%d) is out of range.\n", __FUNCTION__, coding);
1057  return;
1058  }
1059  if (location<0 || location>0x0f)
1060  {
1061  printf("%s: ERROR: location(%d) is out of range.\n", __FUNCTION__, location);
1062  return;
1063  }
1064  if (progress<0 || progress>0x7f)
1065  {
1066  printf("%s: ERROR: progress(%d) is out of range.\n", __FUNCTION__, progress);
1067  return;
1068  }
1069 
1070  if (MISDN_IE_DEBG) printf(" coding=%d location=%d progress=%d\n", coding, location, progress);
1071 
1072  l = 2;
1073  p = msg_put(msg, l+2);
1074  if (nt)
1075  *ntmode = p+1;
1076  else
1077  qi->QI_ELEMENT(progress) = p - (unsigned char *)qi - sizeof(Q931_info_t);
1078  p[0] = IE_PROGRESS;
1079  p[1] = l;
1080  p[2] = 0x80 + (coding<<5) + location;
1081  p[3] = 0x80 + progress;
1082 }
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
progress
Definition: dsp.c:117

◆ enc_ie_redir_dn()

static void enc_ie_redir_dn ( unsigned char **  ntmode,
msg_t *  msg,
int  type,
int  plan,
int  present,
char *  number,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 1235 of file ie.c.

References MISDN_IE_DEBG.

Referenced by build_facility(), and build_notify().

1236 {
1237  unsigned char *p;
1238  Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
1239  int l;
1240 
1241  if (type<0 || type>7)
1242  {
1243  printf("%s: ERROR: type(%d) is out of range.\n", __FUNCTION__, type);
1244  return;
1245  }
1246  if (plan<0 || plan>15)
1247  {
1248  printf("%s: ERROR: plan(%d) is out of range.\n", __FUNCTION__, plan);
1249  return;
1250  }
1251  if (present > 3)
1252  {
1253  printf("%s: ERROR: present(%d) is out of range.\n", __FUNCTION__, present);
1254  return;
1255  }
1256 
1257  if (MISDN_IE_DEBG) printf(" type=%d plan=%d present=%d number='%s'\n", type, plan, present, number);
1258 
1259  l = 1;
1260  if (number)
1261  l += strlen((char *)number);
1262  if (present >= 0)
1263  l += 1;
1264  p = msg_put(msg, l+2);
1265  if (nt)
1266  *ntmode = p+1;
1267  else {
1268  qi->QI_ELEMENT(redirect_dn) = p - (unsigned char *)qi - sizeof(Q931_info_t);
1269  }
1270  p[0] = IE_REDIR_DN;
1271  p[1] = l;
1272  if (present >= 0)
1273  {
1274  p[2] = 0x00 + (type<<4) + plan;
1275  p[3] = 0x80 + (present<<5);
1276  if (number)
1277  strncpy((char *)p+4, (char *)number, strlen((char *)number));
1278  } else
1279  {
1280  p[2] = 0x80 + (type<<4) + plan;
1281  if (number)
1282  strncpy((char *)p+3, (char *)number, strlen((char *)number));
1283  }
1284 }
type
static const char type[]
Definition: chan_ooh323.c:109
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
number
Number structure.
Definition: app_followme.c:154

◆ enc_ie_redir_nr()

static void enc_ie_redir_nr ( unsigned char **  ntmode,
msg_t *  msg,
int  type,
int  plan,
int  present,
int  screen,
int  reason,
char *  number,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 1114 of file ie.c.

References MISDN_IE_DEBG.

Referenced by build_setup().

1115 {
1116  unsigned char *p;
1117  Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
1118  int l;
1119 
1120  if (type<0 || type>7)
1121  {
1122  printf("%s: ERROR: type(%d) is out of range.\n", __FUNCTION__, type);
1123  return;
1124  }
1125  if (plan<0 || plan>15)
1126  {
1127  printf("%s: ERROR: plan(%d) is out of range.\n", __FUNCTION__, plan);
1128  return;
1129  }
1130  if (present > 3)
1131  {
1132  printf("%s: ERROR: present(%d) is out of range.\n", __FUNCTION__, present);
1133  return;
1134  }
1135  if (present >= 0) if (screen<0 || screen>3)
1136  {
1137  printf("%s: ERROR: screen(%d) is out of range.\n", __FUNCTION__, screen);
1138  return;
1139  }
1140  if (reason > 0x0f)
1141  {
1142  printf("%s: ERROR: reason(%d) is out of range.\n", __FUNCTION__, reason);
1143  return;
1144  }
1145 
1146  if (MISDN_IE_DEBG) printf(" type=%d plan=%d present=%d screen=%d readon=%d number='%s'\n", type, plan, present, screen, reason, number);
1147 
1148  l = 1;
1149  if (number)
1150  l += strlen((char *)number);
1151  if (present >= 0)
1152  {
1153  l += 1;
1154  if (reason >= 0)
1155  l += 1;
1156  }
1157  p = msg_put(msg, l+2);
1158  if (nt)
1159  *ntmode = p+1;
1160  else
1161  qi->QI_ELEMENT(redirect_nr) = p - (unsigned char *)qi - sizeof(Q931_info_t);
1162  p[0] = IE_REDIR_NR;
1163  p[1] = l;
1164  if (present >= 0)
1165  {
1166  if (reason >= 0)
1167  {
1168  p[2] = 0x00 + (type<<4) + plan;
1169  p[3] = 0x00 + (present<<5) + screen;
1170  p[4] = 0x80 + reason;
1171  if (number)
1172  strncpy((char *)p+5, (char *)number, strlen((char *)number));
1173  } else
1174  {
1175  p[2] = 0x00 + (type<<4) + plan;
1176  p[3] = 0x80 + (present<<5) + screen;
1177  if (number)
1178  strncpy((char *)p+4, (char *)number, strlen((char *)number));
1179  }
1180  } else
1181  {
1182  p[2] = 0x80 + (type<<4) + plan;
1183  if (number) if (number[0])
1184  strncpy((char *)p+3, (char *)number, strlen((char *)number));
1185  }
1186 }
type
static const char type[]
Definition: chan_ooh323.c:109
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
number
Number structure.
Definition: app_followme.c:154

◆ enc_ie_restart_ind()

static void enc_ie_restart_ind ( unsigned char **  ntmode,
msg_t *  msg,
unsigned char  rind,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 1399 of file ie.c.

Referenced by build_restart().

1400 {
1401  unsigned char *p;
1402  Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
1403  /* if (MISDN_IE_DEBG) printf(" display='%s' (len=%d)\n", display, strlen((char *)display)); */
1404 
1405  p = msg_put(msg, 3);
1406  if (nt)
1407  *ntmode = p+1;
1408  else
1409  qi->QI_ELEMENT(restart_ind) = p - (unsigned char *)qi - sizeof(Q931_info_t);
1410  p[0] = IE_RESTART_IND;
1411  p[1] = 1;
1412  p[2] = rind;
1413 
1414 }

◆ enc_ie_useruser()

static void enc_ie_useruser ( unsigned char **  ntmode,
msg_t *  msg,
int  protocol,
char *  user,
int  user_len,
int  nt,
struct misdn_bchannel *  bc 
)
static

Definition at line 1324 of file ie.c.

References debug, and MISDN_IE_DEBG.

Referenced by build_disconnect(), build_release(), build_release_complete(), and build_setup().

1325 {
1326  unsigned char *p;
1327  Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
1328  int l;
1329 
1330  if (protocol<0 || protocol>127)
1331  {
1332  printf("%s: ERROR: protocol(%d) is out of range.\n", __FUNCTION__, protocol);
1333  return;
1334  }
1335  if (!user || user_len<=0)
1336  {
1337  return;
1338  }
1339 
1340  if (MISDN_IE_DEBG) {
1341  size_t i;
1342  char debug[768];
1343 
1344  for (i = 0; i < user_len; ++i) {
1345  sprintf(debug + (i * 3), " %02hhx", (unsigned char)user[i]);
1346  }
1347  debug[i * 3] = 0;
1348  printf(" protocol=%d user-user%s\n", protocol, debug);
1349  }
1350 
1351  l = user_len+1;
1352  p = msg_put(msg, l+3);
1353  if (nt)
1354  *ntmode = p+1;
1355  else
1356  qi->QI_ELEMENT(useruser) = p - (unsigned char *)qi - sizeof(Q931_info_t);
1357  p[0] = IE_USER_USER;
1358  p[1] = l;
1359  p[2] = protocol;
1360  memcpy(p+3, user, user_len);
1361 }
debug
static int debug
Global debug status.
Definition: res_xmpp.c:435
MISDN_IE_DEBG
#define MISDN_IE_DEBG
Definition: ie.c:43
user
structure to hold users read from users.conf
Definition: res_phoneprov.c:312

◆ strnncpy()

static void strnncpy ( char *  dest,
const char *  src,
size_t  len,
size_t  dst_len 
)
static

Definition at line 46 of file ie.c.

References len().

Referenced by dec_ie_called_pn(), dec_ie_calling_pn(), dec_ie_connected_pn(), dec_ie_keypad(), dec_ie_redir_dn(), dec_ie_redir_nr(), and enc_ie_display().

47 {
48  if (len > dst_len-1)
49  len = dst_len-1;
50  strncpy(dest, src, len);
51  dest[len] = '\0';
52 }
len
static int len(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t buflen)
Definition: func_strings.c:1344
Generated on Sun Aug 8 2021 19:45:59 for Asterisk - The Open Source Telephony Project by   doxygen 1.8.13