src/main/xlat.c

   1 /*
   2  * xlat.c       Translate strings.  This is the first version of xlat
   3  *              incorporated to RADIUS
   4  *
   5  * Version:     $Id$
   6  *
   7  *   This program is free software; you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License as published by
   9  *   the Free Software Foundation; either version 2 of the License, or
  10  *   (at your option) any later version.
  11  *
  12  *   This program is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *   GNU General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU General Public License
  18  *   along with this program; if not, write to the Free Software
  19  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  * Copyright 2000  The FreeRADIUS server project
  22  * Copyright 2000  Alan DeKok <aland@ox.org>
  23  */
  24
  25 static const char rcsid[] =
  26 "$Id$";
  27
  28 #include        "autoconf.h"
  29 #include        "libradius.h"
  30
  31 #include        <stdio.h>
  32 #include        <stdlib.h>
  33 #include        <string.h>
  34 #include        <ctype.h>
  35
  36 #include        "radiusd.h"
  37
  38 #include        "rad_assert.h"
  39
  40 typedef struct xlat_t {
  41         char            module[MAX_STRING_LEN];
  42         int             length;
  43         void            *instance;
  44         RAD_XLAT_FUNC   do_xlat;
  45         int             internal;       /* not allowed to re-define these */
  46 } xlat_t;
  47
  48 static rbtree_t *xlat_root = NULL;
  49
  50 /*
  51  *      Define all xlat's in the structure.
  52  */
  53 static const char *internal_xlat[] = {"check",
  54                                       "request",
  55                                       "reply",
  56                                       "proxy-request",
  57                                       "proxy-reply",
  58                                       NULL};
  59
  60 #if REQUEST_MAX_REGEX > 8
  61 #error Please fix the following line
  62 #endif
  63 static int xlat_inst[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8 }; /* up to 8 for regex */
  64
  65
  66 /*
  67  *      Convert the value on a VALUE_PAIR to string
  68  */
  69 static int valuepair2str(char * out,int outlen,VALUE_PAIR * pair,
  70                          int type, RADIUS_ESCAPE_STRING func)
  71 {
  72         char buffer[MAX_STRING_LEN * 4];
  73
  74         if (pair != NULL) {
  75                 vp_prints_value(buffer, sizeof(buffer), pair, -1);
  76                 return func(out, outlen, buffer);
  77         }
  78
  79         switch (type) {
  80         case PW_TYPE_STRING :
  81                 strNcpy(out,"_",outlen);
  82                 break;
  83         case PW_TYPE_INTEGER :
  84                 strNcpy(out,"0",outlen);
  85                 break;
  86         case PW_TYPE_IPADDR :
  87                 strNcpy(out,"?.?.?.?",outlen);
  88                 break;
  89         case PW_TYPE_DATE :
  90                 strNcpy(out,"0",outlen);
  91                 break;
  92         default :
  93                 strNcpy(out,"unknown_type",outlen);
  94         }
  95         return strlen(out);
  96 }
  97
  98
  99 /*
 100  *      Dynamically translate for check:, request:, reply:, etc.
 101  */
 102 static int xlat_packet(void *instance, REQUEST *request,
 103                        char *fmt, char *out, size_t outlen,
 104                        RADIUS_ESCAPE_STRING func)
 105 {
 106         DICT_ATTR       *da;
 107         VALUE_PAIR      *vp;
 108         VALUE_PAIR      *vps = NULL;
 109         RADIUS_PACKET   *packet = NULL;
 110
 111         switch (*(int*) instance) {
 112         case 0:
 113                 vps = request->config_items;
 114                 break;
 115
 116         case 1:
 117                 vps = request->packet->vps;
 118                 packet = request->packet;
 119                 break;
 120
 121         case 2:
 122                 vps = request->reply->vps;
 123                 packet = request->reply;
 124                 break;
 125
 126         case 3:
 127                 if (request->proxy) vps = request->proxy->vps;
 128                 packet = request->proxy;
 129                 break;
 130
 131         case 4:
 132                 if (request->proxy_reply) vps = request->proxy_reply->vps;
 133                 packet = request->proxy_reply;
 134                 break;
 135
 136         default:                /* WTF? */
 137                 return 0;
 138         }
 139
 140         /*
 141          *      The "format" string is the attribute name.
 142          */
 143         da = dict_attrbyname(fmt);
 144         if (!da) {
 145                 int index;
 146                 const char *p = strchr(fmt, '[');
 147                 char buffer[256];
 148
 149                 if (!p) return 0;
 150                 if (strlen(fmt) > sizeof(buffer)) return 0;
 151
 152                 strNcpy(buffer, fmt, p - fmt + 1);
 153
 154                 da = dict_attrbyname(buffer);
 155                 if (!da) return 0;
 156
 157                 /*
 158                  *      %{Attribute-Name[#]} returns the count of
 159                  *      attributes of that name in the list.
 160                  */
 161                 if ((p[1] == '#') && (p[2] == ']')) {
 162                         index = 0;
 163
 164                         for (vp = pairfind(vps, da->attr);
 165                              vp != NULL;
 166                              vp = pairfind(vp->next, da->attr)) {
 167                                 index++;
 168                         }
 169                         snprintf(out, outlen, "%d", index);
 170                         return strlen(out);
 171                 }
 172
 173                 /*
 174                  *      %{Attribute-Name[*]} returns ALL of the
 175                  *      the attributes, separated by a newline.
 176                  */
 177                 if ((p[1] == '*') && (p[2] == ']')) {
 178                         int total = 0;
 179
 180                         for (vp = pairfind(vps, da->attr);
 181                              vp != NULL;
 182                              vp = pairfind(vp->next, da->attr)) {
 183                                 index = valuepair2str(out, outlen - 1, vp, da->type, func);
 184                                 rad_assert(index <= outlen);
 185                                 total += index + 1;
 186                                 outlen -= (index + 1);
 187                                 out += index;
 188
 189                                 *(out++) = '\n';
 190
 191                                 if (outlen == 0) break;
 192                         }
 193
 194                         return total;
 195                 }
 196
 197                 index = atoi(p + 1);
 198
 199                 /*
 200                  *      Skip the numbers.
 201                  */
 202                 p += 1 + strspn(p + 1, "0123456789");
 203                 if (*p != ']') {
 204                         DEBUG2("xlat: Invalid array reference in string at %s %s",
 205                                fmt, p);
 206                         return 0;
 207                 }
 208
 209                 /*
 210                  *      Find the N'th value.
 211                  */
 212                 for (vp = pairfind(vps, da->attr);
 213                      vp != NULL;
 214                      vp = pairfind(vp->next, da->attr)) {
 215                         if (index == 0) break;
 216                         index--;
 217                 }
 218
 219                 /*
 220                  *      Non-existent array reference.
 221                  */
 222                 if (!vp) return 0;
 223
 224                 return valuepair2str(out, outlen, vp, da->type, func);
 225         }
 226
 227         vp = pairfind(vps, da->attr);
 228         if (!vp) {
 229                 /*
 230                  *      Some "magic" handlers, which are never in VP's, but
 231                  *      which are in the packet.
 232                  */
 233                 if (packet) {
 234                         VALUE_PAIR localvp;
 235
 236                         localvp.strvalue[0] = 0;
 237
 238                         switch (da->attr) {
 239                         case PW_PACKET_TYPE:
 240                         {
 241                                 DICT_VALUE *dval;
 242
 243                                 dval = dict_valbyattr(da->attr, packet->code);
 244                                 if (dval) {
 245                                         snprintf(out, outlen, "%s", dval->name);
 246                                 } else {
 247                                         snprintf(out, outlen, "%d", packet->code);
 248                                 }
 249                                 return strlen(out);
 250                         }
 251                         break;
 252
 253                         case PW_PACKET_SRC_IP_ADDRESS:
 254                                 localvp.attribute = da->attr;
 255                                 localvp.lvalue = packet->src_ipaddr;
 256                                 break;
 257
 258                         case PW_PACKET_DST_IP_ADDRESS:
 259                                 localvp.attribute = da->attr;
 260                                 localvp.lvalue = packet->dst_ipaddr;
 261                                 break;
 262
 263                         case PW_PACKET_SRC_PORT:
 264                                 localvp.attribute = da->attr;
 265                                 localvp.lvalue = packet->src_port;
 266                                 break;
 267
 268                         case PW_PACKET_DST_PORT:
 269                                 localvp.attribute = da->attr;
 270                                 localvp.lvalue = packet->dst_port;
 271                                 break;
 272
 273                         case PW_PACKET_AUTHENTICATION_VECTOR:
 274                                 localvp.attribute = da->attr;
 275                                 memcpy(localvp.strvalue, packet->vector,
 276                                        sizeof(packet->vector));
 277                                 localvp.length = sizeof(packet->vector);
 278                                 break;
 279
 280                                 /*
 281                                  *      Authorization, accounting, etc.
 282                                  */
 283                         case PW_REQUEST_PROCESSING_STAGE:
 284                                 if (request->component) {
 285                                         strNcpy(out, request->component, outlen);
 286                                 } else {
 287                                         strNcpy(out, "server_core", outlen);
 288                                 }
 289                                 return strlen(out);
 290
 291                         default:
 292                                 return 0; /* not found */
 293                                 break;
 294                         }
 295
 296                         localvp.type = da->type;
 297                         return valuepair2str(out, outlen, &localvp,
 298                                              da->type, func);
 299                 }
 300
 301                 /*
 302                  *      Not found, die.
 303                  */
 304                 return 0;
 305         }
 306
 307         if (!vps) return 0;     /* silently fail */
 308
 309         /*
 310          *      Convert the VP to a string, and return it.
 311          */
 312         return valuepair2str(out, outlen, vp, da->type, func);
 313 }
 314
 315 #ifdef HAVE_REGEX_H
 316 /*
 317  *      Pull %{0} to %{8} out of the packet.
 318  */
 319 static int xlat_regex(void *instance, REQUEST *request,
 320                       char *fmt, char *out, size_t outlen,
 321                       RADIUS_ESCAPE_STRING func)
 322 {
 323         char *regex;
 324
 325         /*
 326          *      We cheat: fmt is "0" to "8", but those numbers
 327          *      are already in the "instance".
 328          */
 329         fmt = fmt;              /* -Wunused */
 330         func = func;            /* -Wunused FIXME: do escaping? */
 331
 332         regex = request_data_get(request, request,
 333                                  REQUEST_DATA_REGEX | *(int *)instance);
 334         if (!regex) return 0;
 335
 336         /*
 337          *      Copy UP TO "freespace" bytes, including
 338          *      a zero byte.
 339          */
 340         strNcpy(out, regex, outlen);
 341         free(regex); /* was strdup'd */
 342         return strlen(out);
 343 }
 344 #endif                          /* HAVE_REGEX_H */
 345
 346 /*
 347  *      Compare two xlat_t structs, based ONLY on the module name.
 348  */
 349 static int xlat_cmp(const void *a, const void *b)
 350 {
 351         if (((const xlat_t *)a)->length != ((const xlat_t *)b)->length) {
 352                 return ((const xlat_t *)a)->length - ((const xlat_t *)b)->length;
 353         }
 354
 355         return memcmp(((const xlat_t *)a)->module,
 356                       ((const xlat_t *)b)->module,
 357                       ((const xlat_t *)a)->length);
 358 }
 359
 360
 361 /*
 362  *      find the appropriate registered xlat function.
 363  */
 364 static xlat_t *xlat_find(const char *module)
 365 {
 366         char *p;
 367         xlat_t my_xlat;
 368
 369         p = my_xlat.module;
 370         my_xlat.length = 0;
 371         while (*module && (*module != ':')) {
 372                 *(p++) = *(module++);
 373                 my_xlat.length++;
 374         }
 375         *p = '\0';
 376
 377         return rbtree_finddata(xlat_root, &my_xlat);
 378 }
 379
 380
 381 /*
 382  *      Register an xlat function.
 383  */
 384 int xlat_register(const char *module, RAD_XLAT_FUNC func, void *instance)
 385 {
 386         xlat_t  *c;
 387         xlat_t  my_xlat;
 388
 389         if ((module == NULL) || (strlen(module) == 0)) {
 390                 DEBUG("xlat_register: Invalid module name");
 391                 return -1;
 392         }
 393
 394         /*
 395          *      First time around, build up the tree...
 396          *
 397          *      FIXME: This code should be hoisted out of this function,
 398          *      and into a global "initialization".  But it isn't critical...
 399          */
 400         if (!xlat_root) {
 401                 int i;
 402 #ifdef HAVE_REGEX_H
 403                 char buffer[2];
 404 #endif
 405
 406                 xlat_root = rbtree_create(xlat_cmp, free, 0);
 407                 if (!xlat_root) {
 408                         DEBUG("xlat_register: Failed to create tree.");
 409                         return -1;
 410                 }
 411
 412                 /*
 413                  *      Register the internal packet xlat's.
 414                  */
 415                 for (i = 0; internal_xlat[i] != NULL; i++) {
 416                         xlat_register(internal_xlat[i], xlat_packet, &xlat_inst[i]);
 417                         c = xlat_find(internal_xlat[i]);
 418                         rad_assert(c != NULL);
 419                         c->internal = TRUE;
 420                 }
 421
 422 #ifdef HAVE_REGEX_H
 423                 /*
 424                  *      Register xlat's for regexes.
 425                  */
 426                 buffer[1] = '\0';
 427                 for (i = 0; i <= REQUEST_MAX_REGEX; i++) {
 428                         buffer[0] = '0' + i;
 429                         xlat_register(buffer, xlat_regex, &xlat_inst[i]);
 430                         c = xlat_find(buffer);
 431                         rad_assert(c != NULL);
 432                         c->internal = TRUE;
 433                 }
 434 #endif /* HAVE_REGEX_H */
 435         }
 436
 437         /*
 438          *      If it already exists, replace the instance.
 439          */
 440         strNcpy(my_xlat.module, module, sizeof(my_xlat.module));
 441         my_xlat.length = strlen(my_xlat.module);
 442         c = rbtree_finddata(xlat_root, &my_xlat);
 443         if (c) {
 444                 if (c->internal) {
 445                         DEBUG("xlat_register: Cannot re-define internal xlat");
 446                         return -1;
 447                 }
 448
 449                 c->do_xlat = func;
 450                 c->instance = instance;
 451                 return 0;
 452         }
 453
 454         /*
 455          *      Doesn't exist.  Create it.
 456          */
 457         c = rad_malloc(sizeof(xlat_t));
 458         memset(c, 0, sizeof(*c));
 459
 460         c->do_xlat = func;
 461         strNcpy(c->module, module, sizeof(c->module));
 462         c->length = strlen(c->module);
 463         c->instance = instance;
 464
 465         rbtree_insert(xlat_root, c);
 466
 467         return 0;
 468 }
 469
 470 /*
 471  *      Unregister an xlat function.
 472  *
 473  *      We can only have one function to call per name, so the
 474  *      passing of "func" here is extraneous.
 475  */
 476 void xlat_unregister(const char *module, RAD_XLAT_FUNC func)
 477 {
 478         rbnode_t        *node;
 479         xlat_t          my_xlat;
 480
 481         func = func;            /* -Wunused */
 482
 483         strNcpy(my_xlat.module, module, sizeof(my_xlat.module));
 484         my_xlat.length = strlen(my_xlat.module);
 485
 486         node = rbtree_find(xlat_root, &my_xlat);
 487         if (!node) return;
 488
 489         rbtree_delete(xlat_root, node);
 490 }
 491
 492 /*
 493  *      De-register all xlat functions,
 494  *      used mainly for debugging.
 495  */
 496 void xlat_free(void)
 497 {
 498         rbtree_free(xlat_root);
 499 }
 500
 501
 502 /*
 503  *      Decode an attribute name into a string.
 504  */
 505 static void decode_attribute(const char **from, char **to, int freespace,
 506                              int *open, REQUEST *request,
 507                              RADIUS_ESCAPE_STRING func)
 508 {
 509         int     do_length = 0;
 510         char attrname[256];
 511         const char *p;
 512         char *q, *pa;
 513         int stop=0, found=0, retlen=0;
 514         int openbraces = *open;
 515         xlat_t *c;
 516
 517         p = *from;
 518         q = *to;
 519         pa = &attrname[0];
 520
 521         *q = '\0';
 522
 523         /*
 524          * Skip the '{' at the front of 'p'
 525          * Increment open braces
 526          */
 527         p++;
 528         openbraces++;
 529
 530         if (*p == '#') {
 531                 p++;
 532                 do_length = 1;
 533         }
 534
 535         /*
 536          *  Copy over the rest of the string.
 537          */
 538         while ((*p) && (!stop)) {
 539                 switch(*p) {
 540                         /*
 541                          *  Allow braces inside things, too.
 542                          */
 543                         case '\\':
 544                                 p++; /* skip it */
 545                                 *pa++ = *p++;
 546                                 break;
 547
 548                         case '{':
 549                                 openbraces++;
 550                                 *pa++ = *p++;
 551                                 break;
 552
 553                         case '}':
 554                                 openbraces--;
 555                                 if (openbraces == *open) {
 556                                         p++;
 557                                         stop=1;
 558                                 } else {
 559                                         *pa++ = *p++;
 560                                 }
 561                                 break;
 562
 563                                 /*
 564                                  *  Attr-Name1:-Attr-Name2
 565                                  *
 566                                  *  Use Attr-Name1, and if not found,
 567                                  *  use Attr-Name2.
 568                                  */
 569                         case ':':
 570                                 if (p[1] == '-') {
 571                                         p += 2;
 572                                         stop = 1;
 573                                         break;
 574                                 }
 575                                 /* else FALL-THROUGH */
 576
 577                         default:
 578                                 *pa++ = *p++;
 579                                 break;
 580                 }
 581         }
 582         *pa = '\0';
 583
 584         /*
 585          *      Look up almost everything in the new tree of xlat
 586          *      functions.  this makes it a little quicker...
 587          */
 588         if ((c = xlat_find(attrname)) != NULL) {
 589                 if (!c->internal) DEBUG("radius_xlat: Running registered xlat function of module %s for string \'%s\'",
 590                                         c->module, attrname+ c->length + 1);
 591                 retlen = c->do_xlat(c->instance, request, attrname+(c->length+1), q, freespace, func);
 592                 /* If retlen is 0, treat it as not found */
 593                 if (retlen > 0) found = 1;
 594
 595                 /*
 596                  *      Not in the default xlat database.  Must be
 597                  *      a bare attribute number.
 598                  */
 599         } else if ((retlen = xlat_packet(&xlat_inst[1], request, attrname,
 600                                          q, freespace, func)) > 0) {
 601                 found = 1;
 602
 603                 /*
 604                  *      Look up the name, in order to get the correct
 605                  *      debug message.
 606                  */
 607 #ifndef NDEBUG
 608         } else if (dict_attrbyname(attrname) == NULL) {
 609                 /*
 610                  *      No attribute by that name, return an error.
 611                  */
 612                 DEBUG2("WARNING: Attempt to use unknown xlat function, or non-existent attribute in string %%{%s}", attrname);
 613 #endif
 614         } /* else the attribute is known, but not in the request */
 615
 616         /*
 617          * Skip to last '}' if attr is found
 618          * The rest of the stuff within the braces is
 619          * useless if we found what we need
 620          */
 621         if (found) {
 622                 if (do_length) {
 623                         snprintf(q, freespace, "%d", retlen);
 624                         retlen = strlen(q);
 625                 }
 626
 627                 q += retlen;
 628
 629                 while((*p != '\0') && (openbraces > 0)) {
 630                         /*
 631                          *      Handle escapes outside of the loop.
 632                          */
 633                         if (*p == '\\') {
 634                                 p++;
 635                                 if (!*p) break;
 636                                 p++; /* get & ignore next character */
 637                                 continue;
 638                         }
 639
 640                         switch (*p) {
 641                         default:
 642                                 break;
 643
 644                                 /*
 645                                  *  Bare brace
 646                                  */
 647                         case '{':
 648                                 openbraces++;
 649                                 break;
 650
 651                         case '}':
 652                                 openbraces--;
 653                                 break;
 654                         }
 655                         p++;    /* skip the character */
 656                 }
 657         }
 658
 659         *open = openbraces;
 660         *from = p;
 661         *to = q;
 662 }
 663
 664 /*
 665  *  If the caller doesn't pass xlat an escape function, then
 666  *  we use this one.  It simplifies the coding, as the check for
 667  *  func == NULL only happens once.
 668  */
 669 static int xlat_copy(char *out, int outlen, const char *in)
 670 {
 671         int len = 0;
 672
 673         while (*in) {
 674                 /*
 675                  *  Truncate, if too much.
 676                  */
 677                 if (len >= outlen) {
 678                         break;
 679                 }
 680
 681                 /*
 682                  *  Copy data.
 683                  *
 684                  *  FIXME: Do escaping of bad stuff!
 685                  */
 686                 *out = *in;
 687
 688                 out++;
 689                 in++;
 690                 len++;
 691         }
 692
 693         *out = '\0';
 694         return len;
 695 }
 696
 697 /*
 698  *      Replace %<whatever> in a string.
 699  *
 700  *      See 'doc/variables.txt' for more information.
 701  */
 702 int radius_xlat(char *out, int outlen, const char *fmt,
 703                 REQUEST *request, RADIUS_ESCAPE_STRING func)
 704 {
 705         int i, c,freespace;
 706         const char *p;
 707         char *q;
 708         VALUE_PAIR *tmp;
 709         struct tm *TM, s_TM;
 710         char tmpdt[40]; /* For temporary storing of dates */
 711         int openbraces=0;
 712
 713         /*
 714          *      Catch bad modules.
 715          */
 716         if (!fmt || !out || !request) return 0;
 717
 718         /*
 719          *  Ensure that we always have an escaping function.
 720          */
 721         if (func == NULL) {
 722                 func = xlat_copy;
 723         }
 724
 725         q = out;
 726         p = fmt;
 727         while (*p) {
 728                 /* Calculate freespace in output */
 729                 freespace = outlen - (q - out);
 730                 if (freespace <= 1)
 731                         break;
 732                 c = *p;
 733
 734                 if ((c != '%') && (c != '$') && (c != '\\')) {
 735                         /*
 736                          * We check if we're inside an open brace.  If we are
 737                          * then we assume this brace is NOT literal, but is
 738                          * a closing brace and apply it
 739                          */
 740                         if ((c == '}') && openbraces) {
 741                                 openbraces--;
 742                                 p++; /* skip it */
 743                                 continue;
 744                         }
 745                         *q++ = *p++;
 746                         continue;
 747                 }
 748
 749                 /*
 750                  *      There's nothing after this character, copy
 751                  *      the last '%' or "$' or '\\' over to the output
 752                  *      buffer, and exit.
 753                  */
 754                 if (*++p == '\0') {
 755                         *q++ = c;
 756                         break;
 757                 }
 758
 759                 if (c == '\\') {
 760                         switch(*p) {
 761                         case '\\':
 762                                 *q++ = *p;
 763                                 break;
 764                         case 't':
 765                                 *q++ = '\t';
 766                                 break;
 767                         case 'n':
 768                                 *q++ = '\n';
 769                                 break;
 770                         default:
 771                                 *q++ = c;
 772                                 *q++ = *p;
 773                                 break;
 774                         }
 775                         p++;
 776
 777                         /*
 778                          *      Hmmm... ${User-Name} is a synonym for
 779                          *      %{User-Name}.
 780                          *
 781                          *      Why, exactly?
 782                          */
 783                 } else if (c == '$') switch(*p) {
 784                         case '{': /* Attribute by Name */
 785                                 decode_attribute(&p, &q, freespace, &openbraces, request, func);
 786                                 break;
 787                         default:
 788                                 *q++ = c;
 789                                 *q++ = *p++;
 790                                 break;
 791
 792                 } else if (c == '%') switch(*p) {
 793                         case '{':
 794                                 decode_attribute(&p, &q, freespace, &openbraces, request, func);
 795                                 break;
 796
 797                         case '%':
 798                                 *q++ = *p++;
 799                                 break;
 800                         case 'a': /* Protocol: */
 801                                 q += valuepair2str(q,freespace,pairfind(request->reply->vps,PW_FRAMED_PROTOCOL),PW_TYPE_INTEGER, func);
 802                                 p++;
 803                                 break;
 804                         case 'c': /* Callback-Number */
 805                                 q += valuepair2str(q,freespace,pairfind(request->reply->vps,PW_CALLBACK_NUMBER),PW_TYPE_STRING, func);
 806                                 p++;
 807                                 break;
 808                         case 'd': /* request day */
 809                                 TM = localtime_r(&request->timestamp, &s_TM);
 810                                 strftime(tmpdt,sizeof(tmpdt),"%d",TM);
 811                                 strNcpy(q,tmpdt,freespace);
 812                                 q += strlen(q);
 813                                 p++;
 814                                 break;
 815                         case 'f': /* Framed IP address */
 816                                 q += valuepair2str(q,freespace,pairfind(request->reply->vps,PW_FRAMED_IP_ADDRESS),PW_TYPE_IPADDR, func);
 817                                 p++;
 818                                 break;
 819                         case 'i': /* Calling station ID */
 820                                 q += valuepair2str(q,freespace,pairfind(request->packet->vps,PW_CALLING_STATION_ID),PW_TYPE_STRING, func);
 821                                 p++;
 822                                 break;
 823                         case 'l': /* request timestamp */
 824                                 snprintf(tmpdt, sizeof(tmpdt), "%lu",
 825                                          (unsigned long) request->timestamp);
 826                                 strNcpy(q,tmpdt,freespace);
 827                                 q += strlen(q);
 828                                 p++;
 829                                 break;
 830                         case 'm': /* request month */
 831                                 TM = localtime_r(&request->timestamp, &s_TM);
 832                                 strftime(tmpdt,sizeof(tmpdt),"%m",TM);
 833                                 strNcpy(q,tmpdt,freespace);
 834                                 q += strlen(q);
 835                                 p++;
 836                                 break;
 837                         case 'n': /* NAS IP address */
 838                                 q += valuepair2str(q,freespace,pairfind(request->packet->vps,PW_NAS_IP_ADDRESS),PW_TYPE_IPADDR, func);
 839                                 p++;
 840                                 break;
 841                         case 'p': /* Port number */
 842                                 q += valuepair2str(q,freespace,pairfind(request->packet->vps,PW_NAS_PORT),PW_TYPE_INTEGER, func);
 843                                 p++;
 844                                 break;
 845                         case 's': /* Speed */
 846                                 q += valuepair2str(q,freespace,pairfind(request->packet->vps,PW_CONNECT_INFO),PW_TYPE_STRING, func);
 847                                 p++;
 848                                 break;
 849                         case 't': /* request timestamp */
 850                                 CTIME_R(&request->timestamp, q, freespace);
 851                                 q += strlen(q);
 852                                 p++;
 853                                 break;
 854                         case 'u': /* User name */
 855                                 q += valuepair2str(q,freespace,pairfind(request->packet->vps,PW_USER_NAME),PW_TYPE_STRING, func);
 856                                 p++;
 857                                 break;
 858                         case 'A': /* radacct_dir */
 859                                 strNcpy(q,radacct_dir,freespace-1);
 860                                 q += strlen(q);
 861                                 p++;
 862                                 break;
 863                         case 'C': /* ClientName */
 864                                 strNcpy(q,client_name(request->packet->src_ipaddr),freespace-1);
 865                                 q += strlen(q);
 866                                 p++;
 867                                 break;
 868                         case 'D': /* request date */
 869                                 TM = localtime_r(&request->timestamp, &s_TM);
 870                                 strftime(tmpdt,sizeof(tmpdt),"%Y%m%d",TM);
 871                                 strNcpy(q,tmpdt,freespace);
 872                                 q += strlen(q);
 873                                 p++;
 874                                 break;
 875                         case 'H': /* request hour */
 876                                 TM = localtime_r(&request->timestamp, &s_TM);
 877                                 strftime(tmpdt,sizeof(tmpdt),"%H",TM);
 878                                 strNcpy(q,tmpdt,freespace);
 879                                 q += strlen(q);
 880                                 p++;
 881                                 break;
 882                         case 'L': /* radlog_dir */
 883                                 strNcpy(q,radlog_dir,freespace-1);
 884                                 q += strlen(q);
 885                                 p++;
 886                                 break;
 887                         case 'M': /* MTU */
 888                                 q += valuepair2str(q,freespace,pairfind(request->reply->vps,PW_FRAMED_MTU),PW_TYPE_INTEGER, func);
 889                                 p++;
 890                                 break;
 891                         case 'R': /* radius_dir */
 892                                 strNcpy(q,radius_dir,freespace-1);
 893                                 q += strlen(q);
 894                                 p++;
 895                                 break;
 896                         case 'S': /* request timestamp in SQL format*/
 897                                 TM = localtime_r(&request->timestamp, &s_TM);
 898                                 strftime(tmpdt,sizeof(tmpdt),"%Y-%m-%d %H:%M:%S",TM);
 899                                 strNcpy(q,tmpdt,freespace);
 900                                 q += strlen(q);
 901                                 p++;
 902                                 break;
 903                         case 'T': /* request timestamp */
 904                                 TM = localtime_r(&request->timestamp, &s_TM);
 905                                 strftime(tmpdt,sizeof(tmpdt),"%Y-%m-%d-%H.%M.%S.000000",TM);
 906                                 strNcpy(q,tmpdt,freespace);
 907                                 q += strlen(q);
 908                                 p++;
 909                                 break;
 910                         case 'U': /* Stripped User name */
 911                                 q += valuepair2str(q,freespace,pairfind(request->packet->vps,PW_STRIPPED_USER_NAME),PW_TYPE_STRING, func);
 912                                 p++;
 913                                 break;
 914                         case 'V': /* Request-Authenticator */
 915                                 if (request->packet->verified)
 916                                         strNcpy(q,"Verified",freespace-1);
 917                                 else
 918                                         strNcpy(q,"None",freespace-1);
 919                                 q += strlen(q);
 920                                 p++;
 921                                 break;
 922                         case 'Y': /* request year */
 923                                 TM = localtime_r(&request->timestamp, &s_TM);
 924                                 strftime(tmpdt,sizeof(tmpdt),"%Y",TM);
 925                                 strNcpy(q,tmpdt,freespace);
 926                                 q += strlen(q);
 927                                 p++;
 928                                 break;
 929                         case 'Z': /* Full request pairs except password */
 930                                 tmp = request->packet->vps;
 931                                 while (tmp && (freespace > 3)) {
 932                                         if (tmp->attribute != PW_PASSWORD) {
 933                                                 *q++ = '\t';
 934                                                 i = vp_prints(q,freespace-2,tmp);
 935                                                 q += i;
 936                                                 freespace -= (i+2);
 937                                                 *q++ = '\n';
 938                                         }
 939                                         tmp = tmp->next;
 940                                 }
 941                                 p++;
 942                                 break;
 943                         default:
 944                                 DEBUG2("WARNING: Unknown variable '%%%c': See 'doc/variables.txt'", *p);
 945                                 if (freespace > 2) {
 946                                         *q++ = '%';
 947                                         *q++ = *p++;
 948                                 }
 949                                 break;
 950                 }
 951         }
 952         *q = '\0';
 953
 954         DEBUG2("radius_xlat:  '%s'", out);
 955
 956         return strlen(out);
 957 }