Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* $Id: q931.c,v 1.12.2.3 2004/01/13 14:31:26 keil Exp $ |
| 2 | * |
| 3 | * code to decode ITU Q.931 call control messages |
| 4 | * |
| 5 | * Author Jan den Ouden |
| 6 | * Copyright by Jan den Ouden |
| 7 | * |
| 8 | * This software may be used and distributed according to the terms |
| 9 | * of the GNU General Public License, incorporated herein by reference. |
| 10 | * |
| 11 | * Changelog: |
| 12 | * |
| 13 | * Pauline Middelink general improvements |
| 14 | * Beat Doebeli cause texts, display information element |
| 15 | * Karsten Keil cause texts, display information element for 1TR6 |
| 16 | * |
| 17 | */ |
| 18 | |
| 19 | |
| 20 | #include "hisax.h" |
| 21 | #include "l3_1tr6.h" |
| 22 | |
| 23 | void |
| 24 | iecpy(u_char * dest, u_char * iestart, int ieoffset) |
| 25 | { |
| 26 | u_char *p; |
| 27 | int l; |
| 28 | |
| 29 | p = iestart + ieoffset + 2; |
| 30 | l = iestart[1] - ieoffset; |
| 31 | while (l--) |
| 32 | *dest++ = *p++; |
| 33 | *dest++ = '\0'; |
| 34 | } |
| 35 | |
| 36 | /* |
| 37 | * According to Table 4-2/Q.931 |
| 38 | */ |
| 39 | static |
| 40 | struct MessageType { |
| 41 | u_char nr; |
| 42 | char *descr; |
| 43 | } mtlist[] = { |
| 44 | |
| 45 | { |
| 46 | 0x1, "ALERTING" |
| 47 | }, |
| 48 | { |
| 49 | 0x2, "CALL PROCEEDING" |
| 50 | }, |
| 51 | { |
| 52 | 0x7, "CONNECT" |
| 53 | }, |
| 54 | { |
| 55 | 0xf, "CONNECT ACKNOWLEDGE" |
| 56 | }, |
| 57 | { |
| 58 | 0x3, "PROGRESS" |
| 59 | }, |
| 60 | { |
| 61 | 0x5, "SETUP" |
| 62 | }, |
| 63 | { |
| 64 | 0xd, "SETUP ACKNOWLEDGE" |
| 65 | }, |
| 66 | { |
| 67 | 0x24, "HOLD" |
| 68 | }, |
| 69 | { |
| 70 | 0x28, "HOLD ACKNOWLEDGE" |
| 71 | }, |
| 72 | { |
| 73 | 0x30, "HOLD REJECT" |
| 74 | }, |
| 75 | { |
| 76 | 0x31, "RETRIEVE" |
| 77 | }, |
| 78 | { |
| 79 | 0x33, "RETRIEVE ACKNOWLEDGE" |
| 80 | }, |
| 81 | { |
| 82 | 0x37, "RETRIEVE REJECT" |
| 83 | }, |
| 84 | { |
| 85 | 0x26, "RESUME" |
| 86 | }, |
| 87 | { |
| 88 | 0x2e, "RESUME ACKNOWLEDGE" |
| 89 | }, |
| 90 | { |
| 91 | 0x22, "RESUME REJECT" |
| 92 | }, |
| 93 | { |
| 94 | 0x25, "SUSPEND" |
| 95 | }, |
| 96 | { |
| 97 | 0x2d, "SUSPEND ACKNOWLEDGE" |
| 98 | }, |
| 99 | { |
| 100 | 0x21, "SUSPEND REJECT" |
| 101 | }, |
| 102 | { |
| 103 | 0x20, "USER INFORMATION" |
| 104 | }, |
| 105 | { |
| 106 | 0x45, "DISCONNECT" |
| 107 | }, |
| 108 | { |
| 109 | 0x4d, "RELEASE" |
| 110 | }, |
| 111 | { |
| 112 | 0x5a, "RELEASE COMPLETE" |
| 113 | }, |
| 114 | { |
| 115 | 0x46, "RESTART" |
| 116 | }, |
| 117 | { |
| 118 | 0x4e, "RESTART ACKNOWLEDGE" |
| 119 | }, |
| 120 | { |
| 121 | 0x60, "SEGMENT" |
| 122 | }, |
| 123 | { |
| 124 | 0x79, "CONGESTION CONTROL" |
| 125 | }, |
| 126 | { |
| 127 | 0x7b, "INFORMATION" |
| 128 | }, |
| 129 | { |
| 130 | 0x62, "FACILITY" |
| 131 | }, |
| 132 | { |
| 133 | 0x6e, "NOTIFY" |
| 134 | }, |
| 135 | { |
| 136 | 0x7d, "STATUS" |
| 137 | }, |
| 138 | { |
| 139 | 0x75, "STATUS ENQUIRY" |
| 140 | } |
| 141 | }; |
| 142 | |
Karsten Keil | ba2d6cc | 2009-07-24 18:26:08 +0200 | [diff] [blame] | 143 | #define MTSIZE ARRAY_SIZE(mtlist) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | |
| 145 | static |
| 146 | struct MessageType mt_n0[] = |
| 147 | { |
| 148 | {MT_N0_REG_IND, "REGister INDication"}, |
| 149 | {MT_N0_CANC_IND, "CANCel INDication"}, |
| 150 | {MT_N0_FAC_STA, "FACility STAtus"}, |
| 151 | {MT_N0_STA_ACK, "STAtus ACKnowledge"}, |
| 152 | {MT_N0_STA_REJ, "STAtus REJect"}, |
| 153 | {MT_N0_FAC_INF, "FACility INFormation"}, |
| 154 | {MT_N0_INF_ACK, "INFormation ACKnowledge"}, |
| 155 | {MT_N0_INF_REJ, "INFormation REJect"}, |
| 156 | {MT_N0_CLOSE, "CLOSE"}, |
| 157 | {MT_N0_CLO_ACK, "CLOse ACKnowledge"} |
| 158 | }; |
| 159 | |
Karsten Keil | ba2d6cc | 2009-07-24 18:26:08 +0200 | [diff] [blame] | 160 | #define MT_N0_LEN ARRAY_SIZE(mt_n0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | |
| 162 | static |
| 163 | struct MessageType mt_n1[] = |
| 164 | { |
| 165 | {MT_N1_ESC, "ESCape"}, |
| 166 | {MT_N1_ALERT, "ALERT"}, |
| 167 | {MT_N1_CALL_SENT, "CALL SENT"}, |
| 168 | {MT_N1_CONN, "CONNect"}, |
| 169 | {MT_N1_CONN_ACK, "CONNect ACKnowledge"}, |
| 170 | {MT_N1_SETUP, "SETUP"}, |
| 171 | {MT_N1_SETUP_ACK, "SETUP ACKnowledge"}, |
| 172 | {MT_N1_RES, "RESume"}, |
| 173 | {MT_N1_RES_ACK, "RESume ACKnowledge"}, |
| 174 | {MT_N1_RES_REJ, "RESume REJect"}, |
| 175 | {MT_N1_SUSP, "SUSPend"}, |
| 176 | {MT_N1_SUSP_ACK, "SUSPend ACKnowledge"}, |
| 177 | {MT_N1_SUSP_REJ, "SUSPend REJect"}, |
| 178 | {MT_N1_USER_INFO, "USER INFO"}, |
| 179 | {MT_N1_DET, "DETach"}, |
| 180 | {MT_N1_DISC, "DISConnect"}, |
| 181 | {MT_N1_REL, "RELease"}, |
| 182 | {MT_N1_REL_ACK, "RELease ACKnowledge"}, |
| 183 | {MT_N1_CANC_ACK, "CANCel ACKnowledge"}, |
| 184 | {MT_N1_CANC_REJ, "CANCel REJect"}, |
| 185 | {MT_N1_CON_CON, "CONgestion CONtrol"}, |
| 186 | {MT_N1_FAC, "FACility"}, |
| 187 | {MT_N1_FAC_ACK, "FACility ACKnowledge"}, |
| 188 | {MT_N1_FAC_CAN, "FACility CANcel"}, |
| 189 | {MT_N1_FAC_REG, "FACility REGister"}, |
| 190 | {MT_N1_FAC_REJ, "FACility REJect"}, |
| 191 | {MT_N1_INFO, "INFOrmation"}, |
| 192 | {MT_N1_REG_ACK, "REGister ACKnowledge"}, |
| 193 | {MT_N1_REG_REJ, "REGister REJect"}, |
| 194 | {MT_N1_STAT, "STATus"} |
| 195 | }; |
| 196 | |
Karsten Keil | ba2d6cc | 2009-07-24 18:26:08 +0200 | [diff] [blame] | 197 | #define MT_N1_LEN ARRAY_SIZE(mt_n1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | |
| 199 | |
| 200 | static int |
| 201 | prbits(char *dest, u_char b, int start, int len) |
| 202 | { |
| 203 | char *dp = dest; |
| 204 | |
| 205 | b = b << (8 - start); |
| 206 | while (len--) { |
| 207 | if (b & 0x80) |
| 208 | *dp++ = '1'; |
| 209 | else |
| 210 | *dp++ = '0'; |
| 211 | b = b << 1; |
| 212 | } |
| 213 | return (dp - dest); |
| 214 | } |
| 215 | |
| 216 | static |
| 217 | u_char * |
| 218 | skipext(u_char * p) |
| 219 | { |
| 220 | while (!(*p++ & 0x80)); |
| 221 | return (p); |
| 222 | } |
| 223 | |
| 224 | /* |
| 225 | * Cause Values According to Q.850 |
| 226 | * edescr: English description |
| 227 | * ddescr: German description used by Swissnet II (Swiss Telecom |
| 228 | * not yet written... |
| 229 | */ |
| 230 | |
| 231 | static |
| 232 | struct CauseValue { |
| 233 | u_char nr; |
| 234 | char *edescr; |
| 235 | char *ddescr; |
| 236 | } cvlist[] = { |
| 237 | |
| 238 | { |
| 239 | 0x01, "Unallocated (unassigned) number", "Nummer nicht zugeteilt" |
| 240 | }, |
| 241 | { |
| 242 | 0x02, "No route to specified transit network", "" |
| 243 | }, |
| 244 | { |
| 245 | 0x03, "No route to destination", "" |
| 246 | }, |
| 247 | { |
| 248 | 0x04, "Send special information tone", "" |
| 249 | }, |
| 250 | { |
| 251 | 0x05, "Misdialled trunk prefix", "" |
| 252 | }, |
| 253 | { |
| 254 | 0x06, "Channel unacceptable", "Kanal nicht akzeptierbar" |
| 255 | }, |
| 256 | { |
| 257 | 0x07, "Channel awarded and being delivered in an established channel", "" |
| 258 | }, |
| 259 | { |
| 260 | 0x08, "Preemption", "" |
| 261 | }, |
| 262 | { |
| 263 | 0x09, "Preemption - circuit reserved for reuse", "" |
| 264 | }, |
| 265 | { |
| 266 | 0x10, "Normal call clearing", "Normale Ausloesung" |
| 267 | }, |
| 268 | { |
| 269 | 0x11, "User busy", "TNB besetzt" |
| 270 | }, |
| 271 | { |
| 272 | 0x12, "No user responding", "" |
| 273 | }, |
| 274 | { |
| 275 | 0x13, "No answer from user (user alerted)", "" |
| 276 | }, |
| 277 | { |
| 278 | 0x14, "Subscriber absent", "" |
| 279 | }, |
| 280 | { |
| 281 | 0x15, "Call rejected", "" |
| 282 | }, |
| 283 | { |
| 284 | 0x16, "Number changed", "" |
| 285 | }, |
| 286 | { |
| 287 | 0x1a, "non-selected user clearing", "" |
| 288 | }, |
| 289 | { |
| 290 | 0x1b, "Destination out of order", "" |
| 291 | }, |
| 292 | { |
| 293 | 0x1c, "Invalid number format (address incomplete)", "" |
| 294 | }, |
| 295 | { |
| 296 | 0x1d, "Facility rejected", "" |
| 297 | }, |
| 298 | { |
| 299 | 0x1e, "Response to Status enquiry", "" |
| 300 | }, |
| 301 | { |
| 302 | 0x1f, "Normal, unspecified", "" |
| 303 | }, |
| 304 | { |
| 305 | 0x22, "No circuit/channel available", "" |
| 306 | }, |
| 307 | { |
| 308 | 0x26, "Network out of order", "" |
| 309 | }, |
| 310 | { |
| 311 | 0x27, "Permanent frame mode connection out-of-service", "" |
| 312 | }, |
| 313 | { |
| 314 | 0x28, "Permanent frame mode connection operational", "" |
| 315 | }, |
| 316 | { |
| 317 | 0x29, "Temporary failure", "" |
| 318 | }, |
| 319 | { |
| 320 | 0x2a, "Switching equipment congestion", "" |
| 321 | }, |
| 322 | { |
| 323 | 0x2b, "Access information discarded", "" |
| 324 | }, |
| 325 | { |
| 326 | 0x2c, "Requested circuit/channel not available", "" |
| 327 | }, |
| 328 | { |
| 329 | 0x2e, "Precedence call blocked", "" |
| 330 | }, |
| 331 | { |
| 332 | 0x2f, "Resource unavailable, unspecified", "" |
| 333 | }, |
| 334 | { |
| 335 | 0x31, "Quality of service unavailable", "" |
| 336 | }, |
| 337 | { |
| 338 | 0x32, "Requested facility not subscribed", "" |
| 339 | }, |
| 340 | { |
| 341 | 0x35, "Outgoing calls barred within CUG", "" |
| 342 | }, |
| 343 | { |
| 344 | 0x37, "Incoming calls barred within CUG", "" |
| 345 | }, |
| 346 | { |
| 347 | 0x39, "Bearer capability not authorized", "" |
| 348 | }, |
| 349 | { |
| 350 | 0x3a, "Bearer capability not presently available", "" |
| 351 | }, |
| 352 | { |
| 353 | 0x3e, "Inconsistency in designated outgoing access information and subscriber class ", " " |
| 354 | }, |
| 355 | { |
| 356 | 0x3f, "Service or option not available, unspecified", "" |
| 357 | }, |
| 358 | { |
| 359 | 0x41, "Bearer capability not implemented", "" |
| 360 | }, |
| 361 | { |
| 362 | 0x42, "Channel type not implemented", "" |
| 363 | }, |
| 364 | { |
| 365 | 0x43, "Requested facility not implemented", "" |
| 366 | }, |
| 367 | { |
| 368 | 0x44, "Only restricted digital information bearer capability is available", "" |
| 369 | }, |
| 370 | { |
| 371 | 0x4f, "Service or option not implemented", "" |
| 372 | }, |
| 373 | { |
| 374 | 0x51, "Invalid call reference value", "" |
| 375 | }, |
| 376 | { |
| 377 | 0x52, "Identified channel does not exist", "" |
| 378 | }, |
| 379 | { |
| 380 | 0x53, "A suspended call exists, but this call identity does not", "" |
| 381 | }, |
| 382 | { |
| 383 | 0x54, "Call identity in use", "" |
| 384 | }, |
| 385 | { |
| 386 | 0x55, "No call suspended", "" |
| 387 | }, |
| 388 | { |
| 389 | 0x56, "Call having the requested call identity has been cleared", "" |
| 390 | }, |
| 391 | { |
| 392 | 0x57, "User not member of CUG", "" |
| 393 | }, |
| 394 | { |
| 395 | 0x58, "Incompatible destination", "" |
| 396 | }, |
| 397 | { |
| 398 | 0x5a, "Non-existent CUG", "" |
| 399 | }, |
| 400 | { |
| 401 | 0x5b, "Invalid transit network selection", "" |
| 402 | }, |
| 403 | { |
| 404 | 0x5f, "Invalid message, unspecified", "" |
| 405 | }, |
| 406 | { |
| 407 | 0x60, "Mandatory information element is missing", "" |
| 408 | }, |
| 409 | { |
| 410 | 0x61, "Message type non-existent or not implemented", "" |
| 411 | }, |
| 412 | { |
| 413 | 0x62, "Message not compatible with call state or message type non-existent or not implemented ", " " |
| 414 | }, |
| 415 | { |
| 416 | 0x63, "Information element/parameter non-existent or not implemented", "" |
| 417 | }, |
| 418 | { |
| 419 | 0x64, "Invalid information element contents", "" |
| 420 | }, |
| 421 | { |
| 422 | 0x65, "Message not compatible with call state", "" |
| 423 | }, |
| 424 | { |
| 425 | 0x66, "Recovery on timer expiry", "" |
| 426 | }, |
| 427 | { |
| 428 | 0x67, "Parameter non-existent or not implemented - passed on", "" |
| 429 | }, |
| 430 | { |
| 431 | 0x6e, "Message with unrecognized parameter discarded", "" |
| 432 | }, |
| 433 | { |
| 434 | 0x6f, "Protocol error, unspecified", "" |
| 435 | }, |
| 436 | { |
| 437 | 0x7f, "Interworking, unspecified", "" |
| 438 | }, |
| 439 | }; |
| 440 | |
Karsten Keil | ba2d6cc | 2009-07-24 18:26:08 +0200 | [diff] [blame] | 441 | #define CVSIZE ARRAY_SIZE(cvlist) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | |
| 443 | static |
| 444 | int |
| 445 | prcause(char *dest, u_char * p) |
| 446 | { |
| 447 | u_char *end; |
| 448 | char *dp = dest; |
| 449 | int i, cause; |
| 450 | |
| 451 | end = p + p[1] + 1; |
| 452 | p += 2; |
| 453 | dp += sprintf(dp, " coding "); |
| 454 | dp += prbits(dp, *p, 7, 2); |
| 455 | dp += sprintf(dp, " location "); |
| 456 | dp += prbits(dp, *p, 4, 4); |
| 457 | *dp++ = '\n'; |
| 458 | p = skipext(p); |
| 459 | |
| 460 | cause = 0x7f & *p++; |
| 461 | |
| 462 | /* locate cause value */ |
| 463 | for (i = 0; i < CVSIZE; i++) |
| 464 | if (cvlist[i].nr == cause) |
| 465 | break; |
| 466 | |
| 467 | /* display cause value if it exists */ |
| 468 | if (i == CVSIZE) |
| 469 | dp += sprintf(dp, "Unknown cause type %x!\n", cause); |
| 470 | else |
| 471 | dp += sprintf(dp, " cause value %x : %s \n", cause, cvlist[i].edescr); |
| 472 | |
| 473 | while (!0) { |
| 474 | if (p > end) |
| 475 | break; |
| 476 | dp += sprintf(dp, " diag attribute %d ", *p++ & 0x7f); |
| 477 | dp += sprintf(dp, " rej %d ", *p & 0x7f); |
| 478 | if (*p & 0x80) { |
| 479 | *dp++ = '\n'; |
| 480 | break; |
| 481 | } else |
| 482 | dp += sprintf(dp, " av %d\n", (*++p) & 0x7f); |
| 483 | } |
| 484 | return (dp - dest); |
| 485 | |
| 486 | } |
| 487 | |
| 488 | static |
| 489 | struct MessageType cause_1tr6[] = |
| 490 | { |
| 491 | {CAUSE_InvCRef, "Invalid Call Reference"}, |
| 492 | {CAUSE_BearerNotImpl, "Bearer Service Not Implemented"}, |
| 493 | {CAUSE_CIDunknown, "Caller Identity unknown"}, |
| 494 | {CAUSE_CIDinUse, "Caller Identity in Use"}, |
| 495 | {CAUSE_NoChans, "No Channels available"}, |
| 496 | {CAUSE_FacNotImpl, "Facility Not Implemented"}, |
| 497 | {CAUSE_FacNotSubscr, "Facility Not Subscribed"}, |
| 498 | {CAUSE_OutgoingBarred, "Outgoing calls barred"}, |
| 499 | {CAUSE_UserAccessBusy, "User Access Busy"}, |
| 500 | {CAUSE_NegativeGBG, "Negative GBG"}, |
| 501 | {CAUSE_UnknownGBG, "Unknown GBG"}, |
| 502 | {CAUSE_NoSPVknown, "No SPV known"}, |
| 503 | {CAUSE_DestNotObtain, "Destination not obtainable"}, |
| 504 | {CAUSE_NumberChanged, "Number changed"}, |
| 505 | {CAUSE_OutOfOrder, "Out Of Order"}, |
| 506 | {CAUSE_NoUserResponse, "No User Response"}, |
| 507 | {CAUSE_UserBusy, "User Busy"}, |
| 508 | {CAUSE_IncomingBarred, "Incoming Barred"}, |
| 509 | {CAUSE_CallRejected, "Call Rejected"}, |
| 510 | {CAUSE_NetworkCongestion, "Network Congestion"}, |
| 511 | {CAUSE_RemoteUser, "Remote User initiated"}, |
| 512 | {CAUSE_LocalProcErr, "Local Procedure Error"}, |
| 513 | {CAUSE_RemoteProcErr, "Remote Procedure Error"}, |
| 514 | {CAUSE_RemoteUserSuspend, "Remote User Suspend"}, |
| 515 | {CAUSE_RemoteUserResumed, "Remote User Resumed"}, |
| 516 | {CAUSE_UserInfoDiscarded, "User Info Discarded"} |
| 517 | }; |
| 518 | |
Karsten Keil | ba2d6cc | 2009-07-24 18:26:08 +0200 | [diff] [blame] | 519 | static int cause_1tr6_len = ARRAY_SIZE(cause_1tr6); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | |
| 521 | static int |
| 522 | prcause_1tr6(char *dest, u_char * p) |
| 523 | { |
| 524 | char *dp = dest; |
| 525 | int i, cause; |
| 526 | |
| 527 | p++; |
| 528 | if (0 == *p) { |
| 529 | dp += sprintf(dp, " OK (cause length=0)\n"); |
| 530 | return (dp - dest); |
| 531 | } else if (*p > 1) { |
| 532 | dp += sprintf(dp, " coding "); |
| 533 | dp += prbits(dp, p[2], 7, 2); |
| 534 | dp += sprintf(dp, " location "); |
| 535 | dp += prbits(dp, p[2], 4, 4); |
| 536 | *dp++ = '\n'; |
| 537 | } |
| 538 | p++; |
| 539 | cause = 0x7f & *p; |
| 540 | |
| 541 | /* locate cause value */ |
| 542 | for (i = 0; i < cause_1tr6_len; i++) |
| 543 | if (cause_1tr6[i].nr == cause) |
| 544 | break; |
| 545 | |
| 546 | /* display cause value if it exists */ |
| 547 | if (i == cause_1tr6_len) |
| 548 | dp += sprintf(dp, "Unknown cause type %x!\n", cause); |
| 549 | else |
| 550 | dp += sprintf(dp, " cause value %x : %s \n", cause, cause_1tr6[i].descr); |
| 551 | |
| 552 | return (dp - dest); |
| 553 | |
| 554 | } |
| 555 | |
| 556 | static int |
| 557 | prchident(char *dest, u_char * p) |
| 558 | { |
| 559 | char *dp = dest; |
| 560 | |
| 561 | p += 2; |
| 562 | dp += sprintf(dp, " octet 3 "); |
| 563 | dp += prbits(dp, *p, 8, 8); |
| 564 | *dp++ = '\n'; |
| 565 | return (dp - dest); |
| 566 | } |
| 567 | |
| 568 | static int |
| 569 | prcalled(char *dest, u_char * p) |
| 570 | { |
| 571 | int l; |
| 572 | char *dp = dest; |
| 573 | |
| 574 | p++; |
| 575 | l = *p++ - 1; |
| 576 | dp += sprintf(dp, " octet 3 "); |
| 577 | dp += prbits(dp, *p++, 8, 8); |
| 578 | *dp++ = '\n'; |
| 579 | dp += sprintf(dp, " number digits "); |
| 580 | while (l--) |
| 581 | *dp++ = *p++; |
| 582 | *dp++ = '\n'; |
| 583 | return (dp - dest); |
| 584 | } |
| 585 | static int |
| 586 | prcalling(char *dest, u_char * p) |
| 587 | { |
| 588 | int l; |
| 589 | char *dp = dest; |
| 590 | |
| 591 | p++; |
| 592 | l = *p++ - 1; |
| 593 | dp += sprintf(dp, " octet 3 "); |
| 594 | dp += prbits(dp, *p, 8, 8); |
| 595 | *dp++ = '\n'; |
| 596 | if (!(*p & 0x80)) { |
| 597 | dp += sprintf(dp, " octet 3a "); |
| 598 | dp += prbits(dp, *++p, 8, 8); |
| 599 | *dp++ = '\n'; |
| 600 | l--; |
| 601 | }; |
| 602 | p++; |
| 603 | |
| 604 | dp += sprintf(dp, " number digits "); |
| 605 | while (l--) |
| 606 | *dp++ = *p++; |
| 607 | *dp++ = '\n'; |
| 608 | return (dp - dest); |
| 609 | } |
| 610 | |
| 611 | static |
| 612 | int |
| 613 | prbearer(char *dest, u_char * p) |
| 614 | { |
| 615 | char *dp = dest, ch; |
| 616 | |
| 617 | p += 2; |
| 618 | dp += sprintf(dp, " octet 3 "); |
| 619 | dp += prbits(dp, *p++, 8, 8); |
| 620 | *dp++ = '\n'; |
| 621 | dp += sprintf(dp, " octet 4 "); |
| 622 | dp += prbits(dp, *p, 8, 8); |
| 623 | *dp++ = '\n'; |
| 624 | if ((*p++ & 0x1f) == 0x18) { |
| 625 | dp += sprintf(dp, " octet 4.1 "); |
| 626 | dp += prbits(dp, *p++, 8, 8); |
| 627 | *dp++ = '\n'; |
| 628 | } |
| 629 | /* check for user information layer 1 */ |
| 630 | if ((*p & 0x60) == 0x20) { |
| 631 | ch = ' '; |
| 632 | do { |
| 633 | dp += sprintf(dp, " octet 5%c ", ch); |
| 634 | dp += prbits(dp, *p, 8, 8); |
| 635 | *dp++ = '\n'; |
| 636 | if (ch == ' ') |
| 637 | ch = 'a'; |
| 638 | else |
| 639 | ch++; |
| 640 | } |
| 641 | while (!(*p++ & 0x80)); |
| 642 | } |
| 643 | /* check for user information layer 2 */ |
| 644 | if ((*p & 0x60) == 0x40) { |
| 645 | dp += sprintf(dp, " octet 6 "); |
| 646 | dp += prbits(dp, *p++, 8, 8); |
| 647 | *dp++ = '\n'; |
| 648 | } |
| 649 | /* check for user information layer 3 */ |
| 650 | if ((*p & 0x60) == 0x60) { |
| 651 | dp += sprintf(dp, " octet 7 "); |
| 652 | dp += prbits(dp, *p++, 8, 8); |
| 653 | *dp++ = '\n'; |
| 654 | } |
| 655 | return (dp - dest); |
| 656 | } |
| 657 | |
| 658 | |
| 659 | static |
| 660 | int |
| 661 | prbearer_ni1(char *dest, u_char * p) |
| 662 | { |
| 663 | char *dp = dest; |
| 664 | u_char len; |
| 665 | |
| 666 | p++; |
| 667 | len = *p++; |
| 668 | dp += sprintf(dp, " octet 3 "); |
| 669 | dp += prbits(dp, *p, 8, 8); |
| 670 | switch (*p++) { |
| 671 | case 0x80: |
| 672 | dp += sprintf(dp, " Speech"); |
| 673 | break; |
| 674 | case 0x88: |
| 675 | dp += sprintf(dp, " Unrestricted digital information"); |
| 676 | break; |
| 677 | case 0x90: |
| 678 | dp += sprintf(dp, " 3.1 kHz audio"); |
| 679 | break; |
| 680 | default: |
| 681 | dp += sprintf(dp, " Unknown information-transfer capability"); |
| 682 | } |
| 683 | *dp++ = '\n'; |
| 684 | dp += sprintf(dp, " octet 4 "); |
| 685 | dp += prbits(dp, *p, 8, 8); |
| 686 | switch (*p++) { |
| 687 | case 0x90: |
| 688 | dp += sprintf(dp, " 64 kbps, circuit mode"); |
| 689 | break; |
| 690 | case 0xc0: |
| 691 | dp += sprintf(dp, " Packet mode"); |
| 692 | break; |
| 693 | default: |
| 694 | dp += sprintf(dp, " Unknown transfer mode"); |
| 695 | } |
| 696 | *dp++ = '\n'; |
| 697 | if (len > 2) { |
| 698 | dp += sprintf(dp, " octet 5 "); |
| 699 | dp += prbits(dp, *p, 8, 8); |
| 700 | switch (*p++) { |
| 701 | case 0x21: |
| 702 | dp += sprintf(dp, " Rate adaption\n"); |
| 703 | dp += sprintf(dp, " octet 5a "); |
| 704 | dp += prbits(dp, *p, 8, 8); |
| 705 | break; |
| 706 | case 0xa2: |
| 707 | dp += sprintf(dp, " u-law"); |
| 708 | break; |
| 709 | default: |
| 710 | dp += sprintf(dp, " Unknown UI layer 1 protocol"); |
| 711 | } |
| 712 | *dp++ = '\n'; |
| 713 | } |
| 714 | return (dp - dest); |
| 715 | } |
| 716 | |
| 717 | static int |
| 718 | general(char *dest, u_char * p) |
| 719 | { |
| 720 | char *dp = dest; |
| 721 | char ch = ' '; |
| 722 | int l, octet = 3; |
| 723 | |
| 724 | p++; |
| 725 | l = *p++; |
| 726 | /* Iterate over all octets in the information element */ |
| 727 | while (l--) { |
| 728 | dp += sprintf(dp, " octet %d%c ", octet, ch); |
| 729 | dp += prbits(dp, *p++, 8, 8); |
| 730 | *dp++ = '\n'; |
| 731 | |
| 732 | /* last octet in group? */ |
| 733 | if (*p & 0x80) { |
| 734 | octet++; |
| 735 | ch = ' '; |
| 736 | } else if (ch == ' ') |
| 737 | ch = 'a'; |
| 738 | else |
| 739 | ch++; |
| 740 | } |
| 741 | return (dp - dest); |
| 742 | } |
| 743 | |
| 744 | static int |
| 745 | general_ni1(char *dest, u_char * p) |
| 746 | { |
| 747 | char *dp = dest; |
| 748 | char ch = ' '; |
| 749 | int l, octet = 3; |
| 750 | |
| 751 | p++; |
| 752 | l = *p++; |
| 753 | /* Iterate over all octets in the information element */ |
| 754 | while (l--) { |
| 755 | dp += sprintf(dp, " octet %d%c ", octet, ch); |
| 756 | dp += prbits(dp, *p, 8, 8); |
| 757 | *dp++ = '\n'; |
| 758 | |
| 759 | /* last octet in group? */ |
| 760 | if (*p++ & 0x80) { |
| 761 | octet++; |
| 762 | ch = ' '; |
| 763 | } else if (ch == ' ') |
| 764 | ch = 'a'; |
| 765 | else |
| 766 | ch++; |
| 767 | } |
| 768 | return (dp - dest); |
| 769 | } |
| 770 | |
| 771 | static int |
| 772 | prcharge(char *dest, u_char * p) |
| 773 | { |
| 774 | char *dp = dest; |
| 775 | int l; |
| 776 | |
| 777 | p++; |
| 778 | l = *p++ - 1; |
| 779 | dp += sprintf(dp, " GEA "); |
| 780 | dp += prbits(dp, *p++, 8, 8); |
| 781 | dp += sprintf(dp, " Anzahl: "); |
| 782 | /* Iterate over all octets in the * information element */ |
| 783 | while (l--) |
| 784 | *dp++ = *p++; |
| 785 | *dp++ = '\n'; |
| 786 | return (dp - dest); |
| 787 | } |
| 788 | static int |
| 789 | prtext(char *dest, u_char * p) |
| 790 | { |
| 791 | char *dp = dest; |
| 792 | int l; |
| 793 | |
| 794 | p++; |
| 795 | l = *p++; |
| 796 | dp += sprintf(dp, " "); |
| 797 | /* Iterate over all octets in the * information element */ |
| 798 | while (l--) |
| 799 | *dp++ = *p++; |
| 800 | *dp++ = '\n'; |
| 801 | return (dp - dest); |
| 802 | } |
| 803 | |
| 804 | static int |
| 805 | prfeatureind(char *dest, u_char * p) |
| 806 | { |
| 807 | char *dp = dest; |
| 808 | |
| 809 | p += 2; /* skip id, len */ |
| 810 | dp += sprintf(dp, " octet 3 "); |
| 811 | dp += prbits(dp, *p, 8, 8); |
| 812 | *dp++ = '\n'; |
| 813 | if (!(*p++ & 80)) { |
| 814 | dp += sprintf(dp, " octet 4 "); |
| 815 | dp += prbits(dp, *p++, 8, 8); |
| 816 | *dp++ = '\n'; |
| 817 | } |
| 818 | dp += sprintf(dp, " Status: "); |
| 819 | switch (*p) { |
| 820 | case 0: |
| 821 | dp += sprintf(dp, "Idle"); |
| 822 | break; |
| 823 | case 1: |
| 824 | dp += sprintf(dp, "Active"); |
| 825 | break; |
| 826 | case 2: |
| 827 | dp += sprintf(dp, "Prompt"); |
| 828 | break; |
| 829 | case 3: |
| 830 | dp += sprintf(dp, "Pending"); |
| 831 | break; |
| 832 | default: |
| 833 | dp += sprintf(dp, "(Reserved)"); |
| 834 | break; |
| 835 | } |
| 836 | *dp++ = '\n'; |
| 837 | return (dp - dest); |
| 838 | } |
| 839 | |
| 840 | static |
| 841 | struct DTag { /* Display tags */ |
| 842 | u_char nr; |
| 843 | char *descr; |
| 844 | } dtaglist[] = { |
| 845 | { 0x82, "Continuation" }, |
| 846 | { 0x83, "Called address" }, |
| 847 | { 0x84, "Cause" }, |
| 848 | { 0x85, "Progress indicator" }, |
| 849 | { 0x86, "Notification indicator" }, |
| 850 | { 0x87, "Prompt" }, |
| 851 | { 0x88, "Accumlated digits" }, |
| 852 | { 0x89, "Status" }, |
| 853 | { 0x8a, "Inband" }, |
| 854 | { 0x8b, "Calling address" }, |
| 855 | { 0x8c, "Reason" }, |
| 856 | { 0x8d, "Calling party name" }, |
| 857 | { 0x8e, "Called party name" }, |
| 858 | { 0x8f, "Orignal called name" }, |
| 859 | { 0x90, "Redirecting name" }, |
| 860 | { 0x91, "Connected name" }, |
| 861 | { 0x92, "Originating restrictions" }, |
| 862 | { 0x93, "Date & time of day" }, |
| 863 | { 0x94, "Call Appearance ID" }, |
| 864 | { 0x95, "Feature address" }, |
| 865 | { 0x96, "Redirection name" }, |
| 866 | { 0x9e, "Text" }, |
| 867 | }; |
Karsten Keil | ba2d6cc | 2009-07-24 18:26:08 +0200 | [diff] [blame] | 868 | #define DTAGSIZE ARRAY_SIZE(dtaglist) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 869 | |
| 870 | static int |
| 871 | disptext_ni1(char *dest, u_char * p) |
| 872 | { |
| 873 | char *dp = dest; |
| 874 | int l, tag, len, i; |
| 875 | |
| 876 | p++; |
| 877 | l = *p++ - 1; |
| 878 | if (*p++ != 0x80) { |
| 879 | dp += sprintf(dp, " Unknown display type\n"); |
| 880 | return (dp - dest); |
| 881 | } |
| 882 | /* Iterate over all tag,length,text fields */ |
| 883 | while (l > 0) { |
| 884 | tag = *p++; |
| 885 | len = *p++; |
| 886 | l -= len + 2; |
| 887 | /* Don't space or skip */ |
| 888 | if ((tag == 0x80) || (tag == 0x81)) p++; |
| 889 | else { |
| 890 | for (i = 0; i < DTAGSIZE; i++) |
| 891 | if (tag == dtaglist[i].nr) |
| 892 | break; |
| 893 | |
| 894 | /* When not found, give appropriate msg */ |
| 895 | if (i != DTAGSIZE) { |
| 896 | dp += sprintf(dp, " %s: ", dtaglist[i].descr); |
| 897 | while (len--) |
| 898 | *dp++ = *p++; |
| 899 | } else { |
| 900 | dp += sprintf(dp, " (unknown display tag %2x): ", tag); |
| 901 | while (len--) |
| 902 | *dp++ = *p++; |
| 903 | } |
| 904 | dp += sprintf(dp, "\n"); |
| 905 | } |
| 906 | } |
| 907 | return (dp - dest); |
| 908 | } |
| 909 | static int |
| 910 | display(char *dest, u_char * p) |
| 911 | { |
| 912 | char *dp = dest; |
| 913 | char ch = ' '; |
| 914 | int l, octet = 3; |
| 915 | |
| 916 | p++; |
| 917 | l = *p++; |
| 918 | /* Iterate over all octets in the * display-information element */ |
| 919 | dp += sprintf(dp, " \""); |
| 920 | while (l--) { |
| 921 | dp += sprintf(dp, "%c", *p++); |
| 922 | |
| 923 | /* last octet in group? */ |
| 924 | if (*p & 0x80) { |
| 925 | octet++; |
| 926 | ch = ' '; |
| 927 | } else if (ch == ' ') |
| 928 | ch = 'a'; |
| 929 | |
| 930 | else |
| 931 | ch++; |
| 932 | } |
| 933 | *dp++ = '\"'; |
| 934 | *dp++ = '\n'; |
| 935 | return (dp - dest); |
| 936 | } |
| 937 | |
Adrian Bunk | 672c3fd | 2005-06-25 14:59:18 -0700 | [diff] [blame] | 938 | static int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 939 | prfacility(char *dest, u_char * p) |
| 940 | { |
| 941 | char *dp = dest; |
| 942 | int l, l2; |
| 943 | |
| 944 | p++; |
| 945 | l = *p++; |
| 946 | dp += sprintf(dp, " octet 3 "); |
| 947 | dp += prbits(dp, *p++, 8, 8); |
| 948 | dp += sprintf(dp, "\n"); |
| 949 | l -= 1; |
| 950 | |
| 951 | while (l > 0) { |
| 952 | dp += sprintf(dp, " octet 4 "); |
| 953 | dp += prbits(dp, *p++, 8, 8); |
| 954 | dp += sprintf(dp, "\n"); |
| 955 | dp += sprintf(dp, " octet 5 %d\n", l2 = *p++ & 0x7f); |
| 956 | l -= 2; |
| 957 | dp += sprintf(dp, " contents "); |
| 958 | while (l2--) { |
| 959 | dp += sprintf(dp, "%2x ", *p++); |
| 960 | l--; |
| 961 | } |
| 962 | dp += sprintf(dp, "\n"); |
| 963 | } |
| 964 | |
| 965 | return (dp - dest); |
| 966 | } |
| 967 | |
| 968 | static |
| 969 | struct InformationElement { |
| 970 | u_char nr; |
| 971 | char *descr; |
| 972 | int (*f) (char *, u_char *); |
| 973 | } ielist[] = { |
| 974 | |
| 975 | { |
| 976 | 0x00, "Segmented message", general |
| 977 | }, |
| 978 | { |
| 979 | 0x04, "Bearer capability", prbearer |
| 980 | }, |
| 981 | { |
| 982 | 0x08, "Cause", prcause |
| 983 | }, |
| 984 | { |
| 985 | 0x10, "Call identity", general |
| 986 | }, |
| 987 | { |
| 988 | 0x14, "Call state", general |
| 989 | }, |
| 990 | { |
| 991 | 0x18, "Channel identification", prchident |
| 992 | }, |
| 993 | { |
| 994 | 0x1c, "Facility", prfacility |
| 995 | }, |
| 996 | { |
| 997 | 0x1e, "Progress indicator", general |
| 998 | }, |
| 999 | { |
| 1000 | 0x20, "Network-specific facilities", general |
| 1001 | }, |
| 1002 | { |
| 1003 | 0x27, "Notification indicator", general |
| 1004 | }, |
| 1005 | { |
| 1006 | 0x28, "Display", display |
| 1007 | }, |
| 1008 | { |
| 1009 | 0x29, "Date/Time", general |
| 1010 | }, |
| 1011 | { |
| 1012 | 0x2c, "Keypad facility", general |
| 1013 | }, |
| 1014 | { |
| 1015 | 0x34, "Signal", general |
| 1016 | }, |
| 1017 | { |
| 1018 | 0x40, "Information rate", general |
| 1019 | }, |
| 1020 | { |
| 1021 | 0x42, "End-to-end delay", general |
| 1022 | }, |
| 1023 | { |
| 1024 | 0x43, "Transit delay selection and indication", general |
| 1025 | }, |
| 1026 | { |
| 1027 | 0x44, "Packet layer binary parameters", general |
| 1028 | }, |
| 1029 | { |
| 1030 | 0x45, "Packet layer window size", general |
| 1031 | }, |
| 1032 | { |
| 1033 | 0x46, "Packet size", general |
| 1034 | }, |
| 1035 | { |
| 1036 | 0x47, "Closed user group", general |
| 1037 | }, |
| 1038 | { |
| 1039 | 0x4a, "Reverse charge indication", general |
| 1040 | }, |
| 1041 | { |
| 1042 | 0x6c, "Calling party number", prcalling |
| 1043 | }, |
| 1044 | { |
| 1045 | 0x6d, "Calling party subaddress", general |
| 1046 | }, |
| 1047 | { |
| 1048 | 0x70, "Called party number", prcalled |
| 1049 | }, |
| 1050 | { |
| 1051 | 0x71, "Called party subaddress", general |
| 1052 | }, |
| 1053 | { |
| 1054 | 0x74, "Redirecting number", general |
| 1055 | }, |
| 1056 | { |
| 1057 | 0x78, "Transit network selection", general |
| 1058 | }, |
| 1059 | { |
| 1060 | 0x79, "Restart indicator", general |
| 1061 | }, |
| 1062 | { |
| 1063 | 0x7c, "Low layer compatibility", general |
| 1064 | }, |
| 1065 | { |
| 1066 | 0x7d, "High layer compatibility", general |
| 1067 | }, |
| 1068 | { |
| 1069 | 0x7e, "User-user", general |
| 1070 | }, |
| 1071 | { |
| 1072 | 0x7f, "Escape for extension", general |
| 1073 | }, |
| 1074 | }; |
| 1075 | |
| 1076 | |
Karsten Keil | ba2d6cc | 2009-07-24 18:26:08 +0200 | [diff] [blame] | 1077 | #define IESIZE ARRAY_SIZE(ielist) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1078 | |
| 1079 | static |
| 1080 | struct InformationElement ielist_ni1[] = { |
| 1081 | { 0x04, "Bearer Capability", prbearer_ni1 }, |
| 1082 | { 0x08, "Cause", prcause }, |
| 1083 | { 0x14, "Call State", general_ni1 }, |
| 1084 | { 0x18, "Channel Identification", prchident }, |
| 1085 | { 0x1e, "Progress Indicator", general_ni1 }, |
| 1086 | { 0x27, "Notification Indicator", general_ni1 }, |
| 1087 | { 0x2c, "Keypad Facility", prtext }, |
| 1088 | { 0x32, "Information Request", general_ni1 }, |
| 1089 | { 0x34, "Signal", general_ni1 }, |
| 1090 | { 0x38, "Feature Activation", general_ni1 }, |
| 1091 | { 0x39, "Feature Indication", prfeatureind }, |
| 1092 | { 0x3a, "Service Profile Identification (SPID)", prtext }, |
| 1093 | { 0x3b, "Endpoint Identifier", general_ni1 }, |
| 1094 | { 0x6c, "Calling Party Number", prcalling }, |
| 1095 | { 0x6d, "Calling Party Subaddress", general_ni1 }, |
| 1096 | { 0x70, "Called Party Number", prcalled }, |
| 1097 | { 0x71, "Called Party Subaddress", general_ni1 }, |
| 1098 | { 0x74, "Redirecting Number", general_ni1 }, |
| 1099 | { 0x78, "Transit Network Selection", general_ni1 }, |
| 1100 | { 0x7c, "Low Layer Compatibility", general_ni1 }, |
| 1101 | { 0x7d, "High Layer Compatibility", general_ni1 }, |
| 1102 | }; |
| 1103 | |
| 1104 | |
Karsten Keil | ba2d6cc | 2009-07-24 18:26:08 +0200 | [diff] [blame] | 1105 | #define IESIZE_NI1 ARRAY_SIZE(ielist_ni1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1106 | |
| 1107 | static |
| 1108 | struct InformationElement ielist_ni1_cs5[] = { |
| 1109 | { 0x1d, "Operator system access", general_ni1 }, |
| 1110 | { 0x2a, "Display text", disptext_ni1 }, |
| 1111 | }; |
| 1112 | |
Karsten Keil | ba2d6cc | 2009-07-24 18:26:08 +0200 | [diff] [blame] | 1113 | #define IESIZE_NI1_CS5 ARRAY_SIZE(ielist_ni1_cs5) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1114 | |
| 1115 | static |
| 1116 | struct InformationElement ielist_ni1_cs6[] = { |
| 1117 | { 0x7b, "Call appearance", general_ni1 }, |
| 1118 | }; |
| 1119 | |
Karsten Keil | ba2d6cc | 2009-07-24 18:26:08 +0200 | [diff] [blame] | 1120 | #define IESIZE_NI1_CS6 ARRAY_SIZE(ielist_ni1_cs6) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1121 | |
| 1122 | static struct InformationElement we_0[] = |
| 1123 | { |
| 1124 | {WE0_cause, "Cause", prcause_1tr6}, |
| 1125 | {WE0_connAddr, "Connecting Address", prcalled}, |
| 1126 | {WE0_callID, "Call IDentity", general}, |
| 1127 | {WE0_chanID, "Channel IDentity", general}, |
| 1128 | {WE0_netSpecFac, "Network Specific Facility", general}, |
| 1129 | {WE0_display, "Display", general}, |
| 1130 | {WE0_keypad, "Keypad", general}, |
| 1131 | {WE0_origAddr, "Origination Address", prcalled}, |
| 1132 | {WE0_destAddr, "Destination Address", prcalled}, |
| 1133 | {WE0_userInfo, "User Info", general} |
| 1134 | }; |
| 1135 | |
Karsten Keil | ba2d6cc | 2009-07-24 18:26:08 +0200 | [diff] [blame] | 1136 | #define WE_0_LEN ARRAY_SIZE(we_0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1137 | |
| 1138 | static struct InformationElement we_6[] = |
| 1139 | { |
| 1140 | {WE6_serviceInd, "Service Indicator", general}, |
| 1141 | {WE6_chargingInfo, "Charging Information", prcharge}, |
| 1142 | {WE6_date, "Date", prtext}, |
| 1143 | {WE6_facSelect, "Facility Select", general}, |
| 1144 | {WE6_facStatus, "Facility Status", general}, |
| 1145 | {WE6_statusCalled, "Status Called", general}, |
| 1146 | {WE6_addTransAttr, "Additional Transmission Attributes", general} |
| 1147 | }; |
Karsten Keil | ba2d6cc | 2009-07-24 18:26:08 +0200 | [diff] [blame] | 1148 | #define WE_6_LEN ARRAY_SIZE(we_6) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1149 | |
| 1150 | int |
| 1151 | QuickHex(char *txt, u_char * p, int cnt) |
| 1152 | { |
| 1153 | register int i; |
| 1154 | register char *t = txt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1155 | |
| 1156 | for (i = 0; i < cnt; i++) { |
| 1157 | *t++ = ' '; |
Andy Shevchenko | 735c65c | 2010-07-15 02:37:18 +0000 | [diff] [blame] | 1158 | *t++ = hex_asc_hi(p[i]); |
| 1159 | *t++ = hex_asc_lo(p[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1160 | } |
| 1161 | *t++ = 0; |
| 1162 | return (t - txt); |
| 1163 | } |
| 1164 | |
| 1165 | void |
| 1166 | LogFrame(struct IsdnCardState *cs, u_char * buf, int size) |
| 1167 | { |
| 1168 | char *dp; |
| 1169 | |
| 1170 | if (size < 1) |
| 1171 | return; |
| 1172 | dp = cs->dlog; |
| 1173 | if (size < MAX_DLOG_SPACE / 3 - 10) { |
| 1174 | *dp++ = 'H'; |
| 1175 | *dp++ = 'E'; |
| 1176 | *dp++ = 'X'; |
| 1177 | *dp++ = ':'; |
| 1178 | dp += QuickHex(dp, buf, size); |
| 1179 | dp--; |
| 1180 | *dp++ = '\n'; |
| 1181 | *dp = 0; |
| 1182 | HiSax_putstatus(cs, NULL, cs->dlog); |
| 1183 | } else |
| 1184 | HiSax_putstatus(cs, "LogFrame: ", "warning Frame too big (%d)", size); |
| 1185 | } |
| 1186 | |
| 1187 | void |
| 1188 | dlogframe(struct IsdnCardState *cs, struct sk_buff *skb, int dir) |
| 1189 | { |
| 1190 | u_char *bend, *buf; |
| 1191 | char *dp; |
| 1192 | unsigned char pd, cr_l, cr, mt; |
| 1193 | unsigned char sapi, tei, ftyp; |
| 1194 | int i, cset = 0, cs_old = 0, cs_fest = 0; |
| 1195 | int size, finish = 0; |
| 1196 | |
| 1197 | if (skb->len < 3) |
| 1198 | return; |
| 1199 | /* display header */ |
| 1200 | dp = cs->dlog; |
| 1201 | dp += jiftime(dp, jiffies); |
| 1202 | *dp++ = ' '; |
| 1203 | sapi = skb->data[0] >> 2; |
| 1204 | tei = skb->data[1] >> 1; |
| 1205 | ftyp = skb->data[2]; |
| 1206 | buf = skb->data; |
| 1207 | dp += sprintf(dp, "frame %s ", dir ? "network->user" : "user->network"); |
| 1208 | size = skb->len; |
| 1209 | |
| 1210 | if (tei == GROUP_TEI) { |
| 1211 | if (sapi == CTRL_SAPI) { /* sapi 0 */ |
| 1212 | if (ftyp == 3) { |
| 1213 | dp += sprintf(dp, "broadcast\n"); |
| 1214 | buf += 3; |
| 1215 | size -= 3; |
| 1216 | } else { |
| 1217 | dp += sprintf(dp, "no UI broadcast\n"); |
| 1218 | finish = 1; |
| 1219 | } |
| 1220 | } else if (sapi == TEI_SAPI) { |
| 1221 | dp += sprintf(dp, "tei management\n"); |
| 1222 | finish = 1; |
| 1223 | } else { |
| 1224 | dp += sprintf(dp, "unknown sapi %d broadcast\n", sapi); |
| 1225 | finish = 1; |
| 1226 | } |
| 1227 | } else { |
| 1228 | if (sapi == CTRL_SAPI) { |
| 1229 | if (!(ftyp & 1)) { /* IFrame */ |
| 1230 | dp += sprintf(dp, "with tei %d\n", tei); |
| 1231 | buf += 4; |
| 1232 | size -= 4; |
| 1233 | } else { |
| 1234 | dp += sprintf(dp, "SFrame with tei %d\n", tei); |
| 1235 | finish = 1; |
| 1236 | } |
| 1237 | } else { |
| 1238 | dp += sprintf(dp, "unknown sapi %d tei %d\n", sapi, tei); |
| 1239 | finish = 1; |
| 1240 | } |
| 1241 | } |
| 1242 | bend = skb->data + skb->len; |
| 1243 | if (buf >= bend) { |
| 1244 | dp += sprintf(dp, "frame too short\n"); |
| 1245 | finish = 1; |
| 1246 | } |
| 1247 | if (finish) { |
| 1248 | *dp = 0; |
| 1249 | HiSax_putstatus(cs, NULL, cs->dlog); |
| 1250 | return; |
| 1251 | } |
| 1252 | if ((0xfe & buf[0]) == PROTO_DIS_N0) { /* 1TR6 */ |
| 1253 | /* locate message type */ |
| 1254 | pd = *buf++; |
| 1255 | cr_l = *buf++; |
| 1256 | if (cr_l) |
| 1257 | cr = *buf++; |
| 1258 | else |
| 1259 | cr = 0; |
| 1260 | mt = *buf++; |
| 1261 | if (pd == PROTO_DIS_N0) { /* N0 */ |
| 1262 | for (i = 0; i < MT_N0_LEN; i++) |
| 1263 | if (mt_n0[i].nr == mt) |
| 1264 | break; |
| 1265 | /* display message type if it exists */ |
| 1266 | if (i == MT_N0_LEN) |
| 1267 | dp += sprintf(dp, "callref %d %s size %d unknown message type N0 %x!\n", |
| 1268 | cr & 0x7f, (cr & 0x80) ? "called" : "caller", |
| 1269 | size, mt); |
| 1270 | else |
| 1271 | dp += sprintf(dp, "callref %d %s size %d message type %s\n", |
| 1272 | cr & 0x7f, (cr & 0x80) ? "called" : "caller", |
| 1273 | size, mt_n0[i].descr); |
| 1274 | } else { /* N1 */ |
| 1275 | for (i = 0; i < MT_N1_LEN; i++) |
| 1276 | if (mt_n1[i].nr == mt) |
| 1277 | break; |
| 1278 | /* display message type if it exists */ |
| 1279 | if (i == MT_N1_LEN) |
| 1280 | dp += sprintf(dp, "callref %d %s size %d unknown message type N1 %x!\n", |
| 1281 | cr & 0x7f, (cr & 0x80) ? "called" : "caller", |
| 1282 | size, mt); |
| 1283 | else |
| 1284 | dp += sprintf(dp, "callref %d %s size %d message type %s\n", |
| 1285 | cr & 0x7f, (cr & 0x80) ? "called" : "caller", |
| 1286 | size, mt_n1[i].descr); |
| 1287 | } |
| 1288 | |
| 1289 | /* display each information element */ |
| 1290 | while (buf < bend) { |
| 1291 | /* Is it a single octet information element? */ |
| 1292 | if (*buf & 0x80) { |
| 1293 | switch ((*buf >> 4) & 7) { |
| 1294 | case 1: |
| 1295 | dp += sprintf(dp, " Shift %x\n", *buf & 0xf); |
| 1296 | cs_old = cset; |
| 1297 | cset = *buf & 7; |
| 1298 | cs_fest = *buf & 8; |
| 1299 | break; |
| 1300 | case 3: |
| 1301 | dp += sprintf(dp, " Congestion level %x\n", *buf & 0xf); |
| 1302 | break; |
| 1303 | case 2: |
| 1304 | if (*buf == 0xa0) { |
| 1305 | dp += sprintf(dp, " More data\n"); |
| 1306 | break; |
| 1307 | } |
| 1308 | if (*buf == 0xa1) { |
| 1309 | dp += sprintf(dp, " Sending complete\n"); |
| 1310 | } |
| 1311 | break; |
| 1312 | /* fall through */ |
| 1313 | default: |
| 1314 | dp += sprintf(dp, " Reserved %x\n", *buf); |
| 1315 | break; |
| 1316 | } |
| 1317 | buf++; |
| 1318 | continue; |
| 1319 | } |
| 1320 | /* No, locate it in the table */ |
| 1321 | if (cset == 0) { |
| 1322 | for (i = 0; i < WE_0_LEN; i++) |
| 1323 | if (*buf == we_0[i].nr) |
| 1324 | break; |
| 1325 | |
| 1326 | /* When found, give appropriate msg */ |
| 1327 | if (i != WE_0_LEN) { |
| 1328 | dp += sprintf(dp, " %s\n", we_0[i].descr); |
| 1329 | dp += we_0[i].f(dp, buf); |
| 1330 | } else |
| 1331 | dp += sprintf(dp, " Codeset %d attribute %x attribute size %d\n", cset, *buf, buf[1]); |
| 1332 | } else if (cset == 6) { |
| 1333 | for (i = 0; i < WE_6_LEN; i++) |
| 1334 | if (*buf == we_6[i].nr) |
| 1335 | break; |
| 1336 | |
| 1337 | /* When found, give appropriate msg */ |
| 1338 | if (i != WE_6_LEN) { |
| 1339 | dp += sprintf(dp, " %s\n", we_6[i].descr); |
| 1340 | dp += we_6[i].f(dp, buf); |
| 1341 | } else |
| 1342 | dp += sprintf(dp, " Codeset %d attribute %x attribute size %d\n", cset, *buf, buf[1]); |
| 1343 | } else |
| 1344 | dp += sprintf(dp, " Unknown Codeset %d attribute %x attribute size %d\n", cset, *buf, buf[1]); |
| 1345 | /* Skip to next element */ |
| 1346 | if (cs_fest == 8) { |
| 1347 | cset = cs_old; |
| 1348 | cs_old = 0; |
| 1349 | cs_fest = 0; |
| 1350 | } |
| 1351 | buf += buf[1] + 2; |
| 1352 | } |
| 1353 | } else if ((buf[0] == 8) && (cs->protocol == ISDN_PTYPE_NI1)) { /* NI-1 */ |
| 1354 | /* locate message type */ |
| 1355 | buf++; |
| 1356 | cr_l = *buf++; |
| 1357 | if (cr_l) |
| 1358 | cr = *buf++; |
| 1359 | else |
| 1360 | cr = 0; |
| 1361 | mt = *buf++; |
| 1362 | for (i = 0; i < MTSIZE; i++) |
| 1363 | if (mtlist[i].nr == mt) |
| 1364 | break; |
| 1365 | |
| 1366 | /* display message type if it exists */ |
| 1367 | if (i == MTSIZE) |
| 1368 | dp += sprintf(dp, "callref %d %s size %d unknown message type %x!\n", |
| 1369 | cr & 0x7f, (cr & 0x80) ? "called" : "caller", |
| 1370 | size, mt); |
| 1371 | else |
| 1372 | dp += sprintf(dp, "callref %d %s size %d message type %s\n", |
| 1373 | cr & 0x7f, (cr & 0x80) ? "called" : "caller", |
| 1374 | size, mtlist[i].descr); |
| 1375 | |
| 1376 | /* display each information element */ |
| 1377 | while (buf < bend) { |
| 1378 | /* Is it a single octet information element? */ |
| 1379 | if (*buf & 0x80) { |
| 1380 | switch ((*buf >> 4) & 7) { |
| 1381 | case 1: |
| 1382 | dp += sprintf(dp, " Shift %x\n", *buf & 0xf); |
| 1383 | cs_old = cset; |
| 1384 | cset = *buf & 7; |
| 1385 | cs_fest = *buf & 8; |
| 1386 | break; |
| 1387 | default: |
| 1388 | dp += sprintf(dp, " Unknown single-octet IE %x\n", *buf); |
| 1389 | break; |
| 1390 | } |
| 1391 | buf++; |
| 1392 | continue; |
| 1393 | } |
| 1394 | /* No, locate it in the table */ |
| 1395 | if (cset == 0) { |
Eric Sesterhenn | 9f13fae | 2006-06-26 00:25:32 -0700 | [diff] [blame] | 1396 | for (i = 0; i < IESIZE_NI1; i++) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1397 | if (*buf == ielist_ni1[i].nr) |
| 1398 | break; |
| 1399 | |
| 1400 | /* When not found, give appropriate msg */ |
Eric Sesterhenn | 9f13fae | 2006-06-26 00:25:32 -0700 | [diff] [blame] | 1401 | if (i != IESIZE_NI1) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1402 | dp += sprintf(dp, " %s\n", ielist_ni1[i].descr); |
| 1403 | dp += ielist_ni1[i].f(dp, buf); |
| 1404 | } else |
| 1405 | dp += sprintf(dp, " attribute %x attribute size %d\n", *buf, buf[1]); |
| 1406 | } else if (cset == 5) { |
| 1407 | for (i = 0; i < IESIZE_NI1_CS5; i++) |
| 1408 | if (*buf == ielist_ni1_cs5[i].nr) |
| 1409 | break; |
| 1410 | |
| 1411 | /* When not found, give appropriate msg */ |
| 1412 | if (i != IESIZE_NI1_CS5) { |
| 1413 | dp += sprintf(dp, " %s\n", ielist_ni1_cs5[i].descr); |
| 1414 | dp += ielist_ni1_cs5[i].f(dp, buf); |
| 1415 | } else |
| 1416 | dp += sprintf(dp, " attribute %x attribute size %d\n", *buf, buf[1]); |
| 1417 | } else if (cset == 6) { |
| 1418 | for (i = 0; i < IESIZE_NI1_CS6; i++) |
| 1419 | if (*buf == ielist_ni1_cs6[i].nr) |
| 1420 | break; |
| 1421 | |
| 1422 | /* When not found, give appropriate msg */ |
| 1423 | if (i != IESIZE_NI1_CS6) { |
| 1424 | dp += sprintf(dp, " %s\n", ielist_ni1_cs6[i].descr); |
| 1425 | dp += ielist_ni1_cs6[i].f(dp, buf); |
| 1426 | } else |
| 1427 | dp += sprintf(dp, " attribute %x attribute size %d\n", *buf, buf[1]); |
| 1428 | } else |
| 1429 | dp += sprintf(dp, " Unknown Codeset %d attribute %x attribute size %d\n", cset, *buf, buf[1]); |
| 1430 | |
| 1431 | /* Skip to next element */ |
| 1432 | if (cs_fest == 8) { |
| 1433 | cset = cs_old; |
| 1434 | cs_old = 0; |
| 1435 | cs_fest = 0; |
| 1436 | } |
| 1437 | buf += buf[1] + 2; |
| 1438 | } |
| 1439 | } else if ((buf[0] == 8) && (cs->protocol == ISDN_PTYPE_EURO)) { /* EURO */ |
| 1440 | /* locate message type */ |
| 1441 | buf++; |
| 1442 | cr_l = *buf++; |
| 1443 | if (cr_l) |
| 1444 | cr = *buf++; |
| 1445 | else |
| 1446 | cr = 0; |
| 1447 | mt = *buf++; |
| 1448 | for (i = 0; i < MTSIZE; i++) |
| 1449 | if (mtlist[i].nr == mt) |
| 1450 | break; |
| 1451 | |
| 1452 | /* display message type if it exists */ |
| 1453 | if (i == MTSIZE) |
| 1454 | dp += sprintf(dp, "callref %d %s size %d unknown message type %x!\n", |
| 1455 | cr & 0x7f, (cr & 0x80) ? "called" : "caller", |
| 1456 | size, mt); |
| 1457 | else |
| 1458 | dp += sprintf(dp, "callref %d %s size %d message type %s\n", |
| 1459 | cr & 0x7f, (cr & 0x80) ? "called" : "caller", |
| 1460 | size, mtlist[i].descr); |
| 1461 | |
| 1462 | /* display each information element */ |
| 1463 | while (buf < bend) { |
| 1464 | /* Is it a single octet information element? */ |
| 1465 | if (*buf & 0x80) { |
| 1466 | switch ((*buf >> 4) & 7) { |
| 1467 | case 1: |
| 1468 | dp += sprintf(dp, " Shift %x\n", *buf & 0xf); |
| 1469 | break; |
| 1470 | case 3: |
| 1471 | dp += sprintf(dp, " Congestion level %x\n", *buf & 0xf); |
| 1472 | break; |
| 1473 | case 5: |
| 1474 | dp += sprintf(dp, " Repeat indicator %x\n", *buf & 0xf); |
| 1475 | break; |
| 1476 | case 2: |
| 1477 | if (*buf == 0xa0) { |
| 1478 | dp += sprintf(dp, " More data\n"); |
| 1479 | break; |
| 1480 | } |
| 1481 | if (*buf == 0xa1) { |
| 1482 | dp += sprintf(dp, " Sending complete\n"); |
| 1483 | } |
| 1484 | break; |
| 1485 | /* fall through */ |
| 1486 | default: |
| 1487 | dp += sprintf(dp, " Reserved %x\n", *buf); |
| 1488 | break; |
| 1489 | } |
| 1490 | buf++; |
| 1491 | continue; |
| 1492 | } |
| 1493 | /* No, locate it in the table */ |
| 1494 | for (i = 0; i < IESIZE; i++) |
| 1495 | if (*buf == ielist[i].nr) |
| 1496 | break; |
| 1497 | |
| 1498 | /* When not found, give appropriate msg */ |
| 1499 | if (i != IESIZE) { |
| 1500 | dp += sprintf(dp, " %s\n", ielist[i].descr); |
| 1501 | dp += ielist[i].f(dp, buf); |
| 1502 | } else |
| 1503 | dp += sprintf(dp, " attribute %x attribute size %d\n", *buf, buf[1]); |
| 1504 | |
| 1505 | /* Skip to next element */ |
| 1506 | buf += buf[1] + 2; |
| 1507 | } |
| 1508 | } else { |
| 1509 | dp += sprintf(dp, "Unknown protocol %x!", buf[0]); |
| 1510 | } |
| 1511 | *dp = 0; |
| 1512 | HiSax_putstatus(cs, NULL, cs->dlog); |
| 1513 | } |