Sat Mar 10 01:55:27 2012

Asterisk developer's documentation


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"

Go to the source code of this file.

Defines

#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@beronet.com>

Definition in file ie.c.


Define Documentation

#define MISDN_IE_DEBG   0

Definition at line 39 of file ie.c.

Referenced by dec_ie_bearer(), dec_ie_complete(), enc_ie_bearer(), and enc_ie_complete().


Function Documentation

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 156 of file ie.c.

References MISDN_IE_DEBG.

Referenced by parse_setup().

00158 {
00159    int octet;
00160    *coding = -1;
00161    *capability = -1;
00162    *mode = -1;
00163    *rate = -1;
00164    *multi = -1;
00165    *user = -1;
00166    *async = -1;
00167    *urate = -1;
00168    *stopbits = -1;
00169    *dbits = -1;
00170    *parity = -1;
00171 
00172    if (!nt)
00173    {
00174       p = NULL;
00175 #ifdef LLC_SUPPORT
00176       if (qi->QI_ELEMENT(llc)) {
00177 
00178          p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(llc) + 1;
00179       }
00180 #endif
00181       if (qi->QI_ELEMENT(bearer_capability))
00182          p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(bearer_capability) + 1;
00183    }
00184    if (!p)
00185       return;
00186 
00187    if (p[0] < 2)
00188    {
00189       printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
00190       return;
00191    }
00192 
00193    *coding = (p[1]&0x60) >> 5;
00194    *capability = p[1] & 0x1f;
00195    octet = 2;
00196    if (!(p[1] & 0x80))
00197       octet++;
00198 
00199    if (p[0] < octet)
00200       goto done;
00201 
00202    *mode = (p[octet]&0x60) >> 5;
00203    *rate = p[octet] & 0x1f;
00204 
00205    octet++;
00206 
00207    if (p[0] < octet)
00208       goto done;
00209 
00210    if (*rate == 0x18) {
00211       /* Rate multiplier only present if 64Kb/s base rate */
00212       *multi = p[octet++] & 0x7f;
00213    }
00214 
00215    if (p[0] < octet)
00216       goto done;
00217 
00218    /* Start L1 info */
00219    if ((p[octet] & 0x60) == 0x20) {
00220       *user = p[octet] & 0x1f;
00221 
00222       if (p[0] <= octet)
00223          goto done;
00224 
00225       if (p[octet++] & 0x80)
00226          goto l2;
00227 
00228       *async = !!(p[octet] & 0x40);
00229       /* 0x20 is inband negotiation */
00230       *urate = p[octet] & 0x1f;
00231 
00232       if (p[0] <= octet)
00233          goto done;
00234 
00235       if (p[octet++] & 0x80)
00236          goto l2;
00237 
00238       /* Ignore next byte for now: Intermediate rate, NIC, flow control */
00239 
00240       if (p[0] <= octet)
00241          goto done;
00242 
00243       if (p[octet++] & 0x80)
00244          goto l2;
00245 
00246       /* And the next one. Header, multiframe, mode, assignor/ee, negotiation */
00247 
00248       if (p[0] <= octet)
00249          goto done;
00250 
00251       if (~p[octet++] & 0x80)
00252          goto l2;
00253 
00254       /* Wheee. V.110 speed information */
00255 
00256       *stopbits = (p[octet] & 0x60) >> 5;
00257       *dbits = (p[octet] & 0x18) >> 3;
00258       *parity = p[octet] & 7;
00259 
00260       octet++;
00261    }
00262  l2: /* Nobody seems to want the rest so we don't bother (yet) */
00263  done:
00264    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);
00265 }

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 383 of file ie.c.

References strnncpy().

Referenced by parse_information(), and parse_setup().

00384 {
00385    *type = -1;
00386    *plan = -1;
00387    *number = '\0';
00388 
00389    if (!nt)
00390    {
00391       p = NULL;
00392       if (qi->QI_ELEMENT(called_nr))
00393          p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(called_nr) + 1;
00394    }
00395    if (!p)
00396       return;
00397    if (p[0] < 2)
00398    {
00399       printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
00400       return;
00401    }
00402 
00403    *type = (p[1]&0x70) >> 4;
00404    *plan = p[1] & 0xf;
00405    strnncpy(number, (char *)p+2, p[0]-1, number_len);
00406 
00407    if (MISDN_IE_DEBG) printf("    type=%d plan=%d number='%s'\n", *type, *plan, number);
00408 }

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 467 of file ie.c.

References strnncpy().

Referenced by parse_setup().

00468 {
00469    *type = -1;
00470    *plan = -1;
00471    *present = -1;
00472    *screen = -1;
00473    *number = '\0';
00474 
00475    if (!nt)
00476    {
00477       p = NULL;
00478       if (qi->QI_ELEMENT(calling_nr))
00479          p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(calling_nr) + 1;
00480    }
00481    if (!p)
00482       return;
00483    if (p[0] < 1)
00484    {
00485       printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
00486       return;
00487    }
00488 
00489    *type = (p[1]&0x70) >> 4;
00490    *plan = p[1] & 0xf;
00491    if (!(p[1] & 0x80))
00492    {
00493       if (p[0] < 2)
00494       {
00495          printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
00496          return;
00497       }
00498       *present = (p[2]&0x60) >> 5;
00499       *screen = p[2] & 0x3;
00500       strnncpy(number, (char *)p+3, p[0]-2, number_len);
00501    } else
00502    {
00503       strnncpy(number, (char *)p+2, p[0]-1, number_len);
00504       /* SPECIAL workarround for IBT software bug */
00505       /* if (number[0]==0x80) */
00506       /*  strcpy((char *)number, (char *)number+1); */
00507    }
00508 
00509    if (MISDN_IE_DEBG) printf("    type=%d plan=%d present=%d screen=%d number='%s'\n", *type, *plan, *present, *screen, number);
00510 }

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 660 of file ie.c.

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

00661 {
00662    *location = -1;
00663    *cause = -1;
00664 
00665    if (!nt)
00666    {
00667       p = NULL;
00668       if (qi->QI_ELEMENT(cause))
00669          p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(cause) + 1;
00670    }
00671    if (!p)
00672       return;
00673    if (p[0] < 2)
00674    {
00675       printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
00676       return;
00677    }
00678 
00679    *location = p[1] & 0x0f;
00680    *cause = p[2] & 0x7f;
00681 
00682    if (MISDN_IE_DEBG) printf("    location=%d cause=%d\n", *location, *cause);
00683 }

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 762 of file ie.c.

References misdn_stack::bc, get_stack_by_bc(), and misdn_stack::pri.

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

00763 {
00764    struct misdn_stack *stack=get_stack_by_bc(bc);
00765    int pri =stack->pri;
00766 
00767    *exclusive = -1;
00768    *channel = -1;
00769 
00770    if (!nt)
00771    {
00772       p = NULL;
00773       if (qi->QI_ELEMENT(channel_id))
00774          p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(channel_id) + 1;
00775    }
00776    if (!p)
00777       return;
00778    if (p[0] < 1)
00779    {
00780       printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
00781       return;
00782    }
00783 
00784    if (p[1] & 0x40)
00785    {
00786       printf("%s: ERROR: refering to channels of other interfaces is not supported.\n", __FUNCTION__);
00787       return;
00788    }
00789    if (p[1] & 0x04)
00790    {
00791       printf("%s: ERROR: using d-channel is not supported.\n", __FUNCTION__);
00792       return;
00793    }
00794 
00795    *exclusive = (p[1]&0x08) >> 3;
00796    if (!pri)
00797    {
00798       /* BRI */
00799       if (p[1] & 0x20)
00800       {
00801          printf("%s: ERROR: extended channel ID with non PRI interface.\n", __FUNCTION__);
00802          return;
00803       }
00804       *channel = p[1] & 0x03;
00805       if (*channel == 3)
00806          *channel = 0xff;
00807    } else
00808    {
00809       /* PRI */
00810       if (p[0] < 1)
00811       {
00812          printf("%s: ERROR: IE too short for PRI (%d).\n", __FUNCTION__, p[0]);
00813          return;
00814       }
00815       if (!(p[1] & 0x20))
00816       {
00817          printf("%s: ERROR: basic channel ID with PRI interface.\n", __FUNCTION__);
00818          return;
00819       }
00820       if ((p[1]&0x03) == 0x00)
00821       {
00822          /* no channel */
00823          *channel = 0;
00824          return;
00825       }
00826       if ((p[1]&0x03) == 0x03)
00827       {
00828          /* any channel */
00829          *channel = 0xff;
00830          return;
00831       }
00832       if (p[0] < 3)
00833       {
00834          printf("%s: ERROR: IE too short for PRI with channel(%d).\n", __FUNCTION__, p[0]);
00835          return;
00836       }
00837       if (p[2] & 0x10)
00838       {
00839          printf("%s: ERROR: channel map not supported.\n", __FUNCTION__);
00840          return;
00841       }
00842       *channel = p[3] & 0x7f;
00843       if ( (*channel<1) | (*channel==16) | (*channel>31))
00844       {
00845          printf("%s: ERROR: PRI interface channel out of range (%d).\n", __FUNCTION__, *channel);
00846          return;
00847       }
00848 /*       if (MISDN_IE_DEBG) printf("%02x %02x %02x\n", p[1], p[2], p[3]); */
00849    }
00850 
00851    if (MISDN_IE_DEBG) printf("    exclusive=%d channel=%d\n", *exclusive, *channel);
00852 }

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

Definition at line 79 of file ie.c.

References MISDN_IE_DEBG.

Referenced by parse_setup().

00080 {
00081    *complete = 0;
00082    if (!nt)
00083    {
00084       if (qi->QI_ELEMENT(sending_complete))
00085          *complete = 1;
00086    } else
00087       if (p)
00088          *complete = 1;
00089 
00090    if (*complete)
00091       if (MISDN_IE_DEBG) printf("    complete=%d\n", *complete);
00092 }

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 569 of file ie.c.

References strnncpy().

Referenced by parse_connect().

00570 {
00571    *type = -1;
00572    *plan = -1;
00573    *present = -1;
00574    *screen = -1;
00575    *number = '\0';
00576 
00577    if (!nt)
00578    {
00579       p = NULL;
00580       if (qi->QI_ELEMENT(connected_nr))
00581          p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(connected_nr) + 1;
00582    }
00583    if (!p)
00584       return;
00585    if (p[0] < 1)
00586    {
00587       printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
00588       return;
00589    }
00590 
00591    *type = (p[1]&0x70) >> 4;
00592    *plan = p[1] & 0xf;
00593    if (!(p[1] & 0x80))
00594    {
00595       if (p[0] < 2)
00596       {
00597          printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
00598          return;
00599       }
00600       *present = (p[2]&0x60) >> 5;
00601       *screen = p[2] & 0x3;
00602       strnncpy(number, (char *)p+3, p[0]-2, number_len);
00603    } else
00604    {
00605       strnncpy(number, (char *)p+2, p[0]-1, number_len);
00606    }
00607 
00608    if (MISDN_IE_DEBG) printf("    type=%d plan=%d present=%d screen=%d number='%s'\n", *type, *plan, *present, *screen, number);
00609 }

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 969 of file ie.c.

References strnncpy().

Referenced by parse_information(), and parse_setup().

00970 {
00971    *keypad = '\0';
00972 
00973    if (!nt)
00974    {
00975       p = NULL;
00976       if (qi->QI_ELEMENT(keypad))
00977          p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(keypad) + 1;
00978    }
00979    if (!p)
00980       return;
00981    if (p[0] < 1)
00982    {
00983       printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
00984       return;
00985    }
00986 
00987    strnncpy(keypad, (char *)p+1, p[0], keypad_len);
00988 
00989    if (MISDN_IE_DEBG) printf("    keypad='%s'\n", keypad);
00990 }

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

Definition at line 1019 of file ie.c.

Referenced by parse_facility(), and parse_notify().

01020 {
01021    *notify = -1;
01022 
01023    if (!nt)
01024    {
01025       p = NULL;
01026       if (qi->QI_ELEMENT(notify))
01027          p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(notify) + 1;
01028    }
01029    if (!p)
01030       return;
01031    if (p[0] < 1)
01032    {
01033       printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
01034       return;
01035    }
01036 
01037    *notify = p[1] & 0x7f;
01038 
01039    if (MISDN_IE_DEBG) printf("    notify=%d\n", *notify);
01040 }

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 1080 of file ie.c.

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

01081 {
01082    *coding = -1;
01083    *location = -1;
01084    //*progress = -1;
01085    *progress = 0;
01086 
01087    if (!nt)
01088    {
01089       p = NULL;
01090       if (qi->QI_ELEMENT(progress))
01091          p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(progress) + 1;
01092    }
01093    if (!p)
01094       return;
01095    if (p[0] < 1)
01096    {
01097       printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
01098       return;
01099    }
01100 
01101    *coding = (p[1]&0x60) >> 5;
01102    *location = p[1] & 0x0f;
01103    *progress = p[2] & 0x7f;
01104 
01105    if (MISDN_IE_DEBG) printf("    coding=%d location=%d progress=%d\n", *coding, *location, *progress);
01106 }

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 1282 of file ie.c.

References strnncpy().

Referenced by parse_facility(), and parse_notify().

01283 {
01284    *type = -1;
01285    *plan = -1;
01286    *present = -1;
01287    *number = '\0';
01288 
01289    if (!nt)
01290    {
01291       p = NULL;
01292       if (qi->QI_ELEMENT(redirect_dn))
01293          p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(redirect_dn) + 1;
01294    }
01295    if (!p)
01296       return;
01297    if (p[0] < 1)
01298    {
01299       printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
01300       return;
01301    }
01302 
01303    *type = (p[1]&0x70) >> 4;
01304    *plan = p[1] & 0xf;
01305    if (!(p[1] & 0x80))
01306    {
01307       *present = (p[2]&0x60) >> 5;
01308       strnncpy(number, (char *)p+3, p[0]-2, number_len);
01309    } else
01310    {
01311       strnncpy(number, (char *)p+2, p[0]-1, number_len);
01312    }
01313 
01314    if (MISDN_IE_DEBG) printf("    type=%d plan=%d present=%d number='%s'\n", *type, *plan, *present, number);
01315 }

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 1184 of file ie.c.

References strnncpy().

Referenced by parse_setup().

01185 {
01186    *type = -1;
01187    *plan = -1;
01188    *present = -1;
01189    *screen = -1;
01190    *reason = -1;
01191    *number = '\0';
01192 
01193    if (!nt)
01194    {
01195       p = NULL;
01196       if (qi->QI_ELEMENT(redirect_nr))
01197          p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(redirect_nr) + 1;
01198    }
01199    if (!p)
01200       return;
01201    if (p[0] < 1)
01202    {
01203       printf("%s: ERROR: IE too short (%d).\n", __FUNCTION__, p[0]);
01204       return;
01205    }
01206 
01207    *type = (p[1]&0x70) >> 4;
01208    *plan = p[1] & 0xf;
01209    if (!(p[1] & 0x80))
01210    {
01211       *present = (p[2]&0x60) >> 5;
01212       *screen = p[2] & 0x3;
01213       if (!(p[2] & 0x80))
01214       {
01215          *reason = p[3] & 0x0f;
01216          strnncpy(number, (char *)p+4, p[0]-3, number_len);
01217       } else
01218       {
01219          strnncpy(number, (char *)p+3, p[0]-2, number_len);
01220       }
01221    } else
01222    {
01223       strnncpy(number, (char *)p+2, p[0]-1, number_len);
01224    }
01225 
01226    if (MISDN_IE_DEBG) printf("    type=%d plan=%d present=%d screen=%d reason=%d number='%s'\n", *type, *plan, *present, *screen, *reason, number);
01227 }

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 1361 of file ie.c.

Referenced by parse_setup().

01362 {
01363    *user_len = 0;
01364    *protocol = -1;
01365 
01366    if (!nt)
01367    {
01368       p = NULL;
01369       if (qi->QI_ELEMENT(useruser))
01370          p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(useruser) + 1;
01371    }
01372    if (!p)
01373       return;
01374 
01375    *user_len = p[0]-1;
01376    if (p[0] < 1)
01377       return;
01378    *protocol = p[1];
01379    memcpy(user, p+2, (*user_len<=128)?*(user_len):128); /* clip to 128 maximum */
01380 
01381    if (MISDN_IE_DEBG) {
01382       int i;
01383       char debug[768];
01384 
01385       for (i = 0; i < *user_len; ++i) {
01386          sprintf(debug + (i * 3), " %02x", user[i]);
01387       }
01388       debug[i * 3] = 0;
01389       printf("    protocol=%d user-user%s\n", *protocol, debug);
01390    }
01391 }

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 96 of file ie.c.

References MISDN_IE_DEBG.

Referenced by build_setup().

00097 {
00098    unsigned char *p;
00099    Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
00100    int l;
00101 
00102    if (coding<0 || coding>3)
00103    {
00104       printf("%s: ERROR: coding(%d) is out of range.\n", __FUNCTION__, coding);
00105       return;
00106    }
00107    if (capability<0 || capability>31)
00108    {
00109       printf("%s: ERROR: capability(%d) is out of range.\n", __FUNCTION__, capability);
00110       return;
00111    }
00112    if (mode<0 || mode>3)
00113    {
00114       printf("%s: ERROR: mode(%d) is out of range.\n", __FUNCTION__, mode);
00115       return;
00116    }
00117    if (rate<0 || rate>31)
00118    {
00119       printf("%s: ERROR: rate(%d) is out of range.\n", __FUNCTION__, rate);
00120       return;
00121    }
00122    if (multi>127)
00123    {
00124       printf("%s: ERROR: multi(%d) is out of range.\n", __FUNCTION__, multi);
00125       return;
00126    }
00127    if (user>31)
00128    {
00129       printf("%s: ERROR: user L1(%d) is out of range.\n", __FUNCTION__, rate);
00130       return;
00131    }
00132    if (rate!=24 && multi>=0)
00133    {
00134       printf("%s: WARNING: multi(%d) is only possible if rate(%d) would be 24.\n", __FUNCTION__, multi, rate);
00135       multi = -1;
00136    }
00137 
00138    if (MISDN_IE_DEBG) printf("    coding=%d capability=%d mode=%d rate=%d multi=%d user=%d\n", coding, capability, mode, rate, multi, user);
00139 
00140    l = 2 + (multi>=0) + (user>=0);
00141    p = msg_put(msg, l+2);
00142    if (nt)
00143       *ntmode = p+1;
00144    else
00145       qi->QI_ELEMENT(bearer_capability) = p - (unsigned char *)qi - sizeof(Q931_info_t);
00146    p[0] = IE_BEARER;
00147    p[1] = l;
00148    p[2] = 0x80 + (coding<<5) + capability;
00149    p[3] = 0x80 + (mode<<5) + rate;
00150    if (multi >= 0)
00151       p[4] = 0x80 + multi;
00152    if (user >= 0)
00153       p[4+(multi>=0)] = 0xa0 + user;
00154 }

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 347 of file ie.c.

Referenced by build_information(), and build_setup().

00348 {
00349    unsigned char *p;
00350    Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
00351    int l;
00352 
00353    if (type<0 || type>7)
00354    {
00355       printf("%s: ERROR: type(%d) is out of range.\n", __FUNCTION__, type);
00356       return;
00357    }
00358    if (plan<0 || plan>15)
00359    {
00360       printf("%s: ERROR: plan(%d) is out of range.\n", __FUNCTION__, plan);
00361       return;
00362    }
00363    if (!number[0])
00364    {
00365       printf("%s: ERROR: number is not given.\n", __FUNCTION__);
00366       return;
00367    }
00368 
00369    if (MISDN_IE_DEBG) printf("    type=%d plan=%d number='%s'\n", type, plan, number);
00370 
00371    l = 1+strlen((char *)number);
00372    p = msg_put(msg, l+2);
00373    if (nt)
00374       *ntmode = p+1;
00375    else
00376       qi->QI_ELEMENT(called_nr) = p - (unsigned char *)qi - sizeof(Q931_info_t);
00377    p[0] = IE_CALLED_PN;
00378    p[1] = l;
00379    p[2] = 0x80 + (type<<4) + plan;
00380    strncpy((char *)p+3, (char *)number, strlen((char *)number));
00381 }

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 412 of file ie.c.

Referenced by build_setup().

00413 {
00414    unsigned char *p;
00415    Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
00416    int l;
00417 
00418    if (type<0 || type>7)
00419    {
00420       printf("%s: ERROR: type(%d) is out of range.\n", __FUNCTION__, type);
00421       return;
00422    }
00423    if (plan<0 || plan>15)
00424    {
00425       printf("%s: ERROR: plan(%d) is out of range.\n", __FUNCTION__, plan);
00426       return;
00427    }
00428    if (present>3)
00429    {
00430       printf("%s: ERROR: present(%d) is out of range.\n", __FUNCTION__, present);
00431       return;
00432    }
00433    if (present >= 0) if (screen<0 || screen>3)
00434    {
00435       printf("%s: ERROR: screen(%d) is out of range.\n", __FUNCTION__, screen);
00436       return;
00437    }
00438 
00439    if (MISDN_IE_DEBG) printf("    type=%d plan=%d present=%d screen=%d number='%s'\n", type, plan, present, screen, number);
00440 
00441    l = 1;
00442    if (number) if (number[0])
00443       l += strlen((char *)number);
00444    if (present >= 0)
00445       l += 1;
00446    p = msg_put(msg, l+2);
00447    if (nt)
00448       *ntmode = p+1;
00449    else
00450       qi->QI_ELEMENT(calling_nr) = p - (unsigned char *)qi - sizeof(Q931_info_t);
00451    p[0] = IE_CALLING_PN;
00452    p[1] = l;
00453    if (present >= 0)
00454    {
00455       p[2] = 0x00 + (type<<4) + plan;
00456       p[3] = 0x80 + (present<<5) + screen;
00457       if (number) if (number[0])
00458          strncpy((char *)p+4, (char *)number, strlen((char *)number));
00459    } else
00460    {
00461       p[2] = 0x80 + (type<<4) + plan;
00462       if (number) if (number[0])
00463          strncpy((char *)p+3, (char *)number, strlen((char *)number));
00464    }
00465 }

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 613 of file ie.c.

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

00614 {
00615    unsigned char *p;
00616    Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
00617    int l;
00618 
00619    if (location<0 || location>7)
00620    {
00621       printf("%s: ERROR: location(%d) is out of range.\n", __FUNCTION__, location);
00622       return;
00623    }
00624    if (cause<0 || cause>127)
00625    {
00626       printf("%s: ERROR: cause(%d) is out of range.\n", __FUNCTION__, cause);
00627       return;
00628    }
00629 
00630    if (MISDN_IE_DEBG) printf("    location=%d cause=%d\n", location, cause);
00631 
00632    l = 2;
00633    p = msg_put(msg, l+2);
00634    if (nt)
00635       *ntmode = p+1;
00636    else
00637       qi->QI_ELEMENT(cause) = p - (unsigned char *)qi - sizeof(Q931_info_t);
00638    p[0] = IE_CAUSE;
00639    p[1] = l;
00640    p[2] = 0x80 + location;
00641    p[3] = 0x80 + cause;
00642 }

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 687 of file ie.c.

References misdn_stack::bc, 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().

00688 {
00689    unsigned char *p;
00690    Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
00691    int l;
00692    struct misdn_stack *stack=get_stack_by_bc(bc);
00693    int pri = stack->pri;
00694 
00695    if (exclusive<0 || exclusive>1)
00696    {
00697       printf("%s: ERROR: exclusive(%d) is out of range.\n", __FUNCTION__, exclusive);
00698       return;
00699    }
00700    if ((channel<0 || channel>0xff)
00701        || (!pri && (channel>2 && channel<0xff))
00702        || (pri && (channel>31 && channel<0xff))
00703        || (pri && channel==16))
00704    {
00705       printf("%s: ERROR: channel(%d) is out of range.\n", __FUNCTION__, channel);
00706       return;
00707    }
00708 
00709    /* if (MISDN_IE_DEBG) printf("    exclusive=%d channel=%d\n", exclusive, channel); */
00710 
00711 
00712    if (!pri)
00713    {
00714       /* BRI */
00715       l = 1;
00716       p = msg_put(msg, l+2);
00717       if (nt)
00718          *ntmode = p+1;
00719       else
00720          qi->QI_ELEMENT(channel_id) = p - (unsigned char *)qi - sizeof(Q931_info_t);
00721       p[0] = IE_CHANNEL_ID;
00722       p[1] = l;
00723       if (channel == 0xff)
00724          channel = 3;
00725       p[2] = 0x80 + (exclusive<<3) + channel;
00726       /* printf("    exclusive=%d channel=%d\n", exclusive, channel); */
00727    } else
00728    {
00729       /* PRI */
00730       if (channel == 0) /* no channel */
00731          return; /* IE not present */
00732 /*       if (MISDN_IE_DEBG) printf("channel = %d\n", channel); */
00733       if (channel == 0xff) /* any channel */
00734       {
00735          l = 1;
00736          p = msg_put(msg, l+2);
00737          if (nt)
00738             *ntmode = p+1;
00739          else
00740             qi->QI_ELEMENT(channel_id) = p - (unsigned char *)qi - sizeof(Q931_info_t);
00741          p[0] = IE_CHANNEL_ID;
00742          p[1] = l;
00743          p[2] = 0x80 + 0x20 + 0x03;
00744 /*          if (MISDN_IE_DEBG) printf("%02x\n", p[2]); */
00745          return; /* end */
00746       }
00747       l = 3;
00748       p = msg_put(msg, l+2);
00749       if (nt)
00750          *ntmode = p+1;
00751       else
00752          qi->QI_ELEMENT(channel_id) = p - (unsigned char *)qi - sizeof(Q931_info_t);
00753       p[0] = IE_CHANNEL_ID;
00754       p[1] = l;
00755       p[2] = 0x80 + 0x20 + (exclusive<<3) + 0x01;
00756       p[3] = 0x80 + 3; /* CCITT, Number, B-type */
00757       p[4] = 0x80 + channel;
00758 /*       if (MISDN_IE_DEBG) printf("%02x %02x %02x\n", p[2], p[3], p[4]); */
00759    }
00760 }

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

Definition at line 52 of file ie.c.

References MISDN_IE_DEBG.

Referenced by build_setup().

00053 {
00054    unsigned char *p;
00055    Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
00056 
00057    if (complete<0 || complete>1)
00058    {
00059       printf("%s: ERROR: complete(%d) is out of range.\n", __FUNCTION__, complete);
00060       return;
00061    }
00062 
00063    if (complete)
00064       if (MISDN_IE_DEBG) printf("    complete=%d\n", complete);
00065 
00066    if (complete)
00067    {
00068       p = msg_put(msg, 1);
00069       if (nt)
00070       {
00071          *ntmode = p;
00072       } else
00073          qi->QI_ELEMENT(sending_complete) = p - (unsigned char *)qi - sizeof(Q931_info_t);
00074 
00075       p[0] = IE_COMPLETE;
00076    }
00077 }

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 514 of file ie.c.

Referenced by build_connect().

00515 {
00516    unsigned char *p;
00517    Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
00518    int l;
00519 
00520    if (type<0 || type>7)
00521    {
00522       printf("%s: ERROR: type(%d) is out of range.\n", __FUNCTION__, type);
00523       return;
00524    }
00525    if (plan<0 || plan>15)
00526    {
00527       printf("%s: ERROR: plan(%d) is out of range.\n", __FUNCTION__, plan);
00528       return;
00529    }
00530    if (present>3)
00531    {
00532       printf("%s: ERROR: present(%d) is out of range.\n", __FUNCTION__, present);
00533       return;
00534    }
00535    if (present >= 0) if (screen<0 || screen>3)
00536    {
00537       printf("%s: ERROR: screen(%d) is out of range.\n", __FUNCTION__, screen);
00538       return;
00539    }
00540 
00541    if (MISDN_IE_DEBG) printf("    type=%d plan=%d present=%d screen=%d number='%s'\n", type, plan, present, screen, number);
00542 
00543    l = 1;
00544    if (number) if (number[0])
00545       l += strlen((char *)number);
00546    if (present >= 0)
00547       l += 1;
00548    p = msg_put(msg, l+2);
00549    if (nt)
00550       *ntmode = p+1;
00551    else
00552       qi->QI_ELEMENT(connected_nr) = p - (unsigned char *)qi - sizeof(Q931_info_t);
00553    p[0] = IE_CONNECT_PN;
00554    p[1] = l;
00555    if (present >= 0)
00556    {
00557       p[2] = 0x00 + (type<<4) + plan;
00558       p[3] = 0x80 + (present<<5) + screen;
00559       if (number) if (number[0])
00560          strncpy((char *)p+4, (char *)number, strlen((char *)number));
00561    } else
00562    {
00563       p[2] = 0x80 + (type<<4) + plan;
00564       if (number) if (number[0])
00565          strncpy((char *)p+3, (char *)number, strlen((char *)number));
00566    }
00567 }

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

Definition at line 856 of file ie.c.

References ast_localtime(), 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().

00857 {
00858    unsigned char *p;
00859    Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
00860    int l;
00861    struct timeval tv = { ti, 0 };
00862    struct ast_tm tm;
00863 
00864    ast_localtime(&tv, &tm, NULL);
00865    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);
00866 
00867    l = 5;
00868    p = msg_put(msg, l+2);
00869    if (nt)
00870       *ntmode = p+1;
00871    else
00872       qi->QI_ELEMENT(date) = p - (unsigned char *)qi - sizeof(Q931_info_t);
00873    p[0] = IE_DATE;
00874    p[1] = l;
00875    p[2] = tm.tm_year % 100;
00876    p[3] = tm.tm_mon + 1;
00877    p[4] = tm.tm_mday;
00878    p[5] = tm.tm_hour;
00879    p[6] = tm.tm_min;
00880 }

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

Definition at line 884 of file ie.c.

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

00885 {
00886    unsigned char *p;
00887    Q931_info_t *qi = (Q931_info_t *) (msg->data + mISDN_HEADER_LEN);
00888    int l;
00889 
00890    if (!display[0])
00891    {
00892       printf("%s: ERROR: display text not given.\n", __FUNCTION__);
00893       return;
00894    }
00895 
00896    l = strlen(display);
00897    if (80 < l)
00898    {
00899       l = 80;
00900       printf("%s: WARNING: display text too long (max %d chars), cutting.\n", __FUNCTION__, l);
00901       display[l] = '\0';
00902    }
00903 
00904    /* if (MISDN_IE_DEBG) printf("    display='%s' (len=%d)\n", display, l); */
00905 
00906    p = msg_put(msg, l + 2);
00907    if (nt)
00908       *ntmode = p + 1;
00909    else
00910       qi->QI_ELEMENT(display) = p - (unsigned char *) qi - sizeof(Q931_info_t);
00911    p[0] = IE_DISPLAY;
00912    p[1] = l;
00913    strncpy((char *) p + 2, display, l);
00914 }

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

Definition at line 943 of file ie.c.

Referenced by build_setup().

00944 {
00945    unsigned char *p;
00946    Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
00947    int l;
00948 
00949    if (!keypad[0])
00950    {
00951       printf("%s: ERROR: keypad info not given.\n", __FUNCTION__);
00952       return;
00953    }
00954 
00955    if (MISDN_IE_DEBG) printf("    keypad='%s'\n", keypad);
00956 
00957    l = strlen(keypad);
00958    p = msg_put(msg, l+2);
00959    if (nt)
00960       *ntmode = p+1;
00961    else
00962       qi->QI_ELEMENT(keypad) = p - (unsigned char *)qi - sizeof(Q931_info_t);
00963    p[0] = IE_KEYPAD;
00964    p[1] = l;
00965    strncpy((char *)p+2, keypad, strlen(keypad));
00966 }

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

Definition at line 994 of file ie.c.

Referenced by build_facility(), and build_notify().

00995 {
00996    unsigned char *p;
00997    Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
00998    int l;
00999 
01000    if (notify<0 || notify>0x7f)
01001    {
01002       printf("%s: ERROR: notify(%d) is out of range.\n", __FUNCTION__, notify);
01003       return;
01004    }
01005 
01006    if (MISDN_IE_DEBG) printf("    notify=%d\n", notify);
01007 
01008    l = 1;
01009    p = msg_put(msg, l+2);
01010    if (nt)
01011       *ntmode = p+1;
01012    else
01013       qi->QI_ELEMENT(notify) = p - (unsigned char *)qi - sizeof(Q931_info_t);
01014    p[0] = IE_NOTIFY;
01015    p[1] = l;
01016    p[2] = 0x80 + notify;
01017 }

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 1044 of file ie.c.

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

01045 {
01046    unsigned char *p;
01047    Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
01048    int l;
01049 
01050    if (coding<0 || coding>0x03)
01051    {
01052       printf("%s: ERROR: coding(%d) is out of range.\n", __FUNCTION__, coding);
01053       return;
01054    }
01055    if (location<0 || location>0x0f)
01056    {
01057       printf("%s: ERROR: location(%d) is out of range.\n", __FUNCTION__, location);
01058       return;
01059    }
01060    if (progress<0 || progress>0x7f)
01061    {
01062       printf("%s: ERROR: progress(%d) is out of range.\n", __FUNCTION__, progress);
01063       return;
01064    }
01065 
01066    if (MISDN_IE_DEBG) printf("    coding=%d location=%d progress=%d\n", coding, location, progress);
01067 
01068    l = 2;
01069    p = msg_put(msg, l+2);
01070    if (nt)
01071       *ntmode = p+1;
01072    else
01073       qi->QI_ELEMENT(progress) = p - (unsigned char *)qi - sizeof(Q931_info_t);
01074    p[0] = IE_PROGRESS;
01075    p[1] = l;
01076    p[2] = 0x80 + (coding<<5) + location;
01077    p[3] = 0x80 + progress;
01078 }

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 1231 of file ie.c.

Referenced by build_facility(), and build_notify().

01232 {
01233    unsigned char *p;
01234    Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
01235    int l;
01236 
01237    if (type<0 || type>7)
01238    {
01239       printf("%s: ERROR: type(%d) is out of range.\n", __FUNCTION__, type);
01240       return;
01241    }
01242    if (plan<0 || plan>15)
01243    {
01244       printf("%s: ERROR: plan(%d) is out of range.\n", __FUNCTION__, plan);
01245       return;
01246    }
01247    if (present > 3)
01248    {
01249       printf("%s: ERROR: present(%d) is out of range.\n", __FUNCTION__, present);
01250       return;
01251    }
01252 
01253    if (MISDN_IE_DEBG) printf("    type=%d plan=%d present=%d number='%s'\n", type, plan, present, number);
01254 
01255    l = 1;
01256    if (number)
01257       l += strlen((char *)number);
01258    if (present >= 0)
01259       l += 1;
01260    p = msg_put(msg, l+2);
01261    if (nt)
01262       *ntmode = p+1;
01263    else {
01264       qi->QI_ELEMENT(redirect_dn) = p - (unsigned char *)qi - sizeof(Q931_info_t);
01265    }
01266    p[0] = IE_REDIR_DN;
01267    p[1] = l;
01268    if (present >= 0)
01269    {
01270       p[2] = 0x00 + (type<<4) + plan;
01271       p[3] = 0x80 + (present<<5);
01272       if (number)
01273          strncpy((char *)p+4, (char *)number, strlen((char *)number));
01274    } else
01275    {
01276       p[2] = 0x80 + (type<<4) + plan;
01277       if (number)
01278          strncpy((char *)p+3, (char *)number, strlen((char *)number));
01279    }
01280 }

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 1110 of file ie.c.

Referenced by build_setup().

01111 {
01112    unsigned char *p;
01113    Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
01114    int l;
01115 
01116    if (type<0 || type>7)
01117    {
01118       printf("%s: ERROR: type(%d) is out of range.\n", __FUNCTION__, type);
01119       return;
01120    }
01121    if (plan<0 || plan>15)
01122    {
01123       printf("%s: ERROR: plan(%d) is out of range.\n", __FUNCTION__, plan);
01124       return;
01125    }
01126    if (present > 3)
01127    {
01128       printf("%s: ERROR: present(%d) is out of range.\n", __FUNCTION__, present);
01129       return;
01130    }
01131    if (present >= 0) if (screen<0 || screen>3)
01132    {
01133       printf("%s: ERROR: screen(%d) is out of range.\n", __FUNCTION__, screen);
01134       return;
01135    }
01136    if (reason > 0x0f)
01137    {
01138       printf("%s: ERROR: reason(%d) is out of range.\n", __FUNCTION__, reason);
01139       return;
01140    }
01141 
01142    if (MISDN_IE_DEBG) printf("    type=%d plan=%d present=%d screen=%d readon=%d number='%s'\n", type, plan, present, screen, reason, number);
01143 
01144    l = 1;
01145    if (number)
01146       l += strlen((char *)number);
01147    if (present >= 0)
01148    {
01149       l += 1;
01150       if (reason >= 0)
01151          l += 1;
01152    }
01153    p = msg_put(msg, l+2);
01154    if (nt)
01155       *ntmode = p+1;
01156    else
01157       qi->QI_ELEMENT(redirect_nr) = p - (unsigned char *)qi - sizeof(Q931_info_t);
01158    p[0] = IE_REDIR_NR;
01159    p[1] = l;
01160    if (present >= 0)
01161    {
01162       if (reason >= 0)
01163       {
01164          p[2] = 0x00 + (type<<4) + plan;
01165          p[3] = 0x00 + (present<<5) + screen;
01166          p[4] = 0x80 + reason;
01167          if (number)
01168             strncpy((char *)p+5, (char *)number, strlen((char *)number));
01169       } else
01170       {
01171          p[2] = 0x00 + (type<<4) + plan;
01172          p[3] = 0x80 + (present<<5) + screen;
01173          if (number)
01174             strncpy((char *)p+4, (char *)number, strlen((char *)number));
01175       }
01176    } else
01177    {
01178       p[2] = 0x80 + (type<<4) + plan;
01179       if (number) if (number[0])
01180          strncpy((char *)p+3, (char *)number, strlen((char *)number));
01181    }
01182 }

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 1395 of file ie.c.

Referenced by build_restart().

01396 {
01397    unsigned char *p;
01398    Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
01399    /* if (MISDN_IE_DEBG) printf("    display='%s' (len=%d)\n", display, strlen((char *)display)); */
01400 
01401    p = msg_put(msg, 3);
01402    if (nt)
01403       *ntmode = p+1;
01404    else
01405       qi->QI_ELEMENT(restart_ind) = p - (unsigned char *)qi - sizeof(Q931_info_t);
01406    p[0] = IE_RESTART_IND;
01407    p[1] = 1;
01408    p[2] = rind;
01409 
01410 }

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 1320 of file ie.c.

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

01321 {
01322    unsigned char *p;
01323    Q931_info_t *qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
01324    int l;
01325 
01326    if (protocol<0 || protocol>127)
01327    {
01328       printf("%s: ERROR: protocol(%d) is out of range.\n", __FUNCTION__, protocol);
01329       return;
01330    }
01331    if (!user || user_len<=0)
01332    {
01333       return;
01334    }
01335 
01336    if (MISDN_IE_DEBG) {
01337       size_t i;
01338       char debug[768];
01339 
01340       for (i = 0; i < user_len; ++i) {
01341          sprintf(debug + (i * 3), " %02x", user[i]);
01342       }
01343       debug[i * 3] = 0;
01344       printf("    protocol=%d user-user%s\n", protocol, debug);
01345    }
01346 
01347    l = user_len+1;
01348    p = msg_put(msg, l+3);
01349    if (nt)
01350       *ntmode = p+1;
01351    else
01352       qi->QI_ELEMENT(useruser) = p - (unsigned char *)qi - sizeof(Q931_info_t);
01353    p[0] = IE_USER_USER;
01354    p[1] = l;
01355    p[2] = protocol;
01356    memcpy(p+3, user, user_len);
01357 }

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

Definition at line 42 of file ie.c.

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

00043 {
00044    if (len > dst_len-1)
00045       len = dst_len-1;
00046    strncpy(dest, src, len);
00047    dest[len] = '\0';
00048 }


Generated on Sat Mar 10 01:55:27 2012 for Asterisk - The Open Source Telephony Project by  doxygen 1.4.7