webcit/webcit.c

   1 /*
   2  * $Id$
   3  *
   4  * This is the main transaction loop of the web service.  It maintains a
   5  * persistent session to the Citadel server, handling HTTP WebCit requests as
   6  * they arrive and presenting a user interface.
   7  */
   8
   9 #include "webcit.h"
  10 #include "groupdav.h"
  11 #include "webserver.h"
  12
  13 #include <stdio.h>
  14 #include <stdarg.h>
  15
  16 /*
  17  * String to unset the cookie.
  18  * Any date "in the past" will work, so I chose my birthday, right down to
  19  * the exact minute.  :)
  20  */
  21 static char *unset = "; expires=28-May-1971 18:10:00 GMT";
  22
  23 HashList *HandlerHash = NULL;
  24
  25
  26 void WebcitAddUrlHandler(const char * UrlString, long UrlSLen, WebcitHandlerFunc F, int IsAjax)
  27 {
  28         WebcitHandler *NewHandler;
  29
  30         if (HandlerHash == NULL)
  31                 HandlerHash = NewHash(1, NULL);
  32
  33         NewHandler = (WebcitHandler*) malloc(sizeof(WebcitHandler));
  34         NewHandler->F = F;
  35         NewHandler->IsAjax = IsAjax;
  36
  37         Put(HandlerHash, UrlString, UrlSLen, NewHandler, NULL);
  38 }
  39
  40 /*
  41  * remove escaped strings from i.e. the url string (like %20 for blanks)
  42  */
  43 long unescape_input(char *buf)
  44 {
  45         int a, b;
  46         char hex[3];
  47         long buflen;
  48         long len;
  49
  50         buflen = strlen(buf);
  51
  52         while ((buflen > 0) && (isspace(buf[buflen - 1]))){
  53                 buf[buflen - 1] = 0;
  54                 buflen --;
  55         }
  56
  57         a = 0;
  58         while (a < buflen) {
  59                 if (buf[a] == '+')
  60                         buf[a] = ' ';
  61                 if (buf[a] == '%') {
  62                         /* don't let % chars through, rather truncate the input. */
  63                         if (a + 2 > buflen) {
  64                                 buf[a] = '\0';
  65                                 buflen = a;
  66                         }
  67                         else {
  68                                 hex[0] = buf[a + 1];
  69                                 hex[1] = buf[a + 2];
  70                                 hex[2] = 0;
  71                                 b = 0;
  72                                 sscanf(hex, "%02x", &b);
  73                                 buf[a] = (char) b;
  74                                 len = buflen - a - 2;
  75                                 if (len > 0)
  76                                         memmove(&buf[a + 1], &buf[a + 3], len);
  77
  78                                 buflen -=2;
  79                         }
  80                 }
  81                 a++;
  82         }
  83         return a;
  84 }
  85
  86 void free_url(void *U)
  87 {
  88         urlcontent *u = (urlcontent*) U;
  89         free(u->url_data);
  90         free(u);
  91 }
  92
  93 /*
  94  * Extract variables from the URL.
  95  */
  96 void addurls(char *url)
  97 {
  98         char *aptr, *bptr, *eptr;
  99         char *up;
 100         char buf[SIZ] = "";
 101         int len, n, keylen;
 102         urlcontent *u;
 103         struct wcsession *WCC = WC;
 104
 105         if (WCC->urlstrings == NULL)
 106                 WCC->urlstrings = NewHash(1, NULL);
 107         eptr = buf + sizeof (buf);
 108         up = url;
 109         /** locate the = sign */
 110         n = safestrncpy(buf, up, sizeof buf);
 111         if (n < 0) /* hm, we exceeded the buffer... hmmm what to do now? */
 112                 n = -n;
 113         up = buf;
 114         while (!IsEmptyStr(up)) {
 115                 aptr = up;
 116                 while ((aptr < eptr) && (*aptr != '\0') && (*aptr != '='))
 117                         aptr++;
 118                 if (*aptr != '=')
 119                         return;
 120                 *aptr = '\0';
 121                 aptr++;
 122                 bptr = aptr;
 123                 while ((bptr < eptr) && (*bptr != '\0')
 124                       && (*bptr != '&') && (*bptr != '?') && (*bptr != ' ')) {
 125                         bptr++;
 126                 }
 127                 *bptr = '\0';
 128                 u = (urlcontent *) malloc(sizeof(urlcontent));
 129
 130                 keylen = safestrncpy(u->url_key, up, sizeof u->url_key);
 131                 if (keylen < 0){
 132                         lprintf(1, "URLkey to long! [%s]", up);
 133                         continue;
 134                 }
 135
 136                 Put(WCC->urlstrings, u->url_key, keylen, u, free_url);
 137                 len = bptr - aptr;
 138                 u->url_data = malloc(len + 2);
 139                 safestrncpy(u->url_data, aptr, len + 2);
 140                 u->url_data_size = unescape_input(u->url_data);
 141                 u->url_data[u->url_data_size] = '\0';
 142                 up = bptr;
 143                 ++up;
 144
 145 #ifdef DEBUG_URLSTRINGS
 146                 lprintf(9, "%s = [%ld]  %s\n", u->url_key, u->url_data_size, u->url_data);
 147 #endif
 148         }
 149 }
 150
 151 /*
 152  * free urlstring memory
 153  */
 154 void free_urls(void)
 155 {
 156         DeleteHash(&WC->urlstrings);
 157 }
 158
 159 /*
 160  * Diagnostic function to display the contents of all variables
 161  */
 162
 163 void dump_vars(void)
 164 {
 165         struct wcsession *WCC = WC;
 166         urlcontent *u;
 167         void *U;
 168         long HKLen;
 169         char *HKey;
 170         HashPos *Cursor;
 171
 172         Cursor = GetNewHashPos ();
 173         while (GetNextHashPos(WCC->urlstrings, Cursor, &HKLen, &HKey, &U)) {
 174                 u = (urlcontent*) U;
 175                 wprintf("%38s = %s\n", u->url_key, u->url_data);
 176         }
 177 }
 178
 179 /*
 180  * Return the value of a variable supplied to the current web page (from the url or a form)
 181  */
 182
 183 const char *XBstr(char *key, size_t keylen, size_t *len)
 184 {
 185         void *U;
 186
 187         if ((WC->urlstrings != NULL) &&
 188             GetHash(WC->urlstrings, key, keylen, &U)) {
 189                 *len = ((urlcontent *)U)->url_data_size;
 190                 return ((urlcontent *)U)->url_data;
 191         }
 192         else {
 193                 *len = 0;
 194                 return ("");
 195         }
 196 }
 197
 198 const char *XBSTR(char *key, size_t *len)
 199 {
 200         void *U;
 201
 202         if ((WC->urlstrings != NULL) &&
 203             GetHash(WC->urlstrings, key, strlen (key), &U)){
 204                 *len = ((urlcontent *)U)->url_data_size;
 205                 return ((urlcontent *)U)->url_data;
 206         }
 207         else {
 208                 *len = 0;
 209                 return ("");
 210         }
 211 }
 212
 213
 214 const char *BSTR(char *key)
 215 {
 216         void *U;
 217
 218         if ((WC->urlstrings != NULL) &&
 219             GetHash(WC->urlstrings, key, strlen (key), &U))
 220                 return ((urlcontent *)U)->url_data;
 221         else
 222                 return ("");
 223 }
 224
 225 const char *Bstr(char *key, size_t keylen)
 226 {
 227         void *U;
 228
 229         if ((WC->urlstrings != NULL) &&
 230             GetHash(WC->urlstrings, key, keylen, &U))
 231                 return ((urlcontent *)U)->url_data;
 232         else
 233                 return ("");
 234 }
 235
 236 long LBstr(char *key, size_t keylen)
 237 {
 238         void *U;
 239
 240         if ((WC->urlstrings != NULL) &&
 241             GetHash(WC->urlstrings, key, keylen, &U))
 242                 return atol(((urlcontent *)U)->url_data);
 243         else
 244                 return (0);
 245 }
 246
 247 long LBSTR(char *key)
 248 {
 249         void *U;
 250
 251         if ((WC->urlstrings != NULL) &&
 252             GetHash(WC->urlstrings, key, strlen(key), &U))
 253                 return atol(((urlcontent *)U)->url_data);
 254         else
 255                 return (0);
 256 }
 257
 258 int IBstr(char *key, size_t keylen)
 259 {
 260         void *U;
 261
 262         if ((WC->urlstrings != NULL) &&
 263             GetHash(WC->urlstrings, key, keylen, &U))
 264                 return atoi(((urlcontent *)U)->url_data);
 265         else
 266                 return (0);
 267 }
 268
 269 int IBSTR(char *key)
 270 {
 271         void *U;
 272
 273         if ((WC->urlstrings != NULL) &&
 274             GetHash(WC->urlstrings, key, strlen(key), &U))
 275                 return atoi(((urlcontent *)U)->url_data);
 276         else
 277                 return (0);
 278 }
 279
 280 int HaveBstr(char *key, size_t keylen)
 281 {
 282         void *U;
 283
 284         if ((WC->urlstrings != NULL) &&
 285             GetHash(WC->urlstrings, key, keylen, &U))
 286                 return ((urlcontent *)U)->url_data_size != 0;
 287         else
 288                 return (0);
 289 }
 290
 291 int HAVEBSTR(char *key)
 292 {
 293         void *U;
 294
 295         if ((WC->urlstrings != NULL) &&
 296             GetHash(WC->urlstrings, key, strlen(key), &U))
 297                 return ((urlcontent *)U)->url_data_size != 0;
 298         else
 299                 return (0);
 300 }
 301
 302
 303 int YesBstr(char *key, size_t keylen)
 304 {
 305         void *U;
 306
 307         if ((WC->urlstrings != NULL) &&
 308             GetHash(WC->urlstrings, key, keylen, &U))
 309                 return strcmp( ((urlcontent *)U)->url_data, "yes") == 0;
 310         else
 311                 return (0);
 312 }
 313
 314 int YESBSTR(char *key)
 315 {
 316         void *U;
 317
 318         if ((WC->urlstrings != NULL) &&
 319             GetHash(WC->urlstrings, key, strlen(key), &U))
 320                 return strcmp( ((urlcontent *)U)->url_data, "yes") == 0;
 321         else
 322                 return (0);
 323 }
 324
 325 /*
 326  * web-printing funcion. uses our vsnprintf wrapper
 327  */
 328 void wprintf(const char *format,...)
 329 {
 330         va_list arg_ptr;
 331         char wbuf[4096];
 332
 333         va_start(arg_ptr, format);
 334         vsnprintf(wbuf, sizeof wbuf, format, arg_ptr);
 335         va_end(arg_ptr);
 336
 337         client_write(wbuf, strlen(wbuf));
 338 }
 339
 340
 341 /*
 342  * wrap up an HTTP session, closes tags, etc.
 343  *
 344  * print_standard_html_footer should be set to:
 345  * 0 to transmit only,
 346  * 1 to append the main menu and closing tags,
 347  * 2 to append the closing tags only.
 348  */
 349 void wDumpContent(int print_standard_html_footer)
 350 {
 351         if (print_standard_html_footer) {
 352                 wprintf("</div>\n");    /* end of "text" div */
 353                 do_template("trailing");
 354         }
 355
 356         /* If we've been saving it all up for one big output burst,
 357          * go ahead and do that now.
 358          */
 359         end_burst();
 360 }
 361
 362
 363 /*
 364  * Copy a string, escaping characters which have meaning in HTML.
 365  *
 366  * target               target buffer
 367  * strbuf               source buffer
 368  * nbsp                 If nonzero, spaces are converted to non-breaking spaces.
 369  * nolinebreaks         if set, linebreaks are removed from the string.
 370  */
 371 long stresc(char *target, long tSize, char *strbuf, int nbsp, int nolinebreaks)
 372 {
 373         char *aptr, *bptr, *eptr;
 374
 375         *target = '\0';
 376         aptr = strbuf;
 377         bptr = target;
 378         eptr = target + tSize - 6; // our biggest unit to put in...
 379
 380         while ((bptr < eptr) && !IsEmptyStr(aptr) ){
 381                 if (*aptr == '<') {
 382                         memcpy(bptr, "&lt;", 4);
 383                         bptr += 4;
 384                 }
 385                 else if (*aptr == '>') {
 386                         memcpy(bptr, "&gt;", 4);
 387                         bptr += 4;
 388                 }
 389                 else if (*aptr == '&') {
 390                         memcpy(bptr, "&amp;", 5);
 391                         bptr += 5;
 392                 }
 393                 else if (*aptr == '\"') {
 394                         memcpy(bptr, "&quot;", 6);
 395                         bptr += 6;
 396                 }
 397                 else if (*aptr == '\'') {
 398                         memcpy(bptr, "&#39;", 5);
 399                         bptr += 5;
 400                 }
 401                 else if (*aptr == LB) {
 402                         *bptr = '<';
 403                         bptr ++;
 404                 }
 405                 else if (*aptr == RB) {
 406                         *bptr = '>';
 407                         bptr ++;
 408                 }
 409                 else if (*aptr == QU) {
 410                         *bptr ='"';
 411                         bptr ++;
 412                 }
 413                 else if ((*aptr == 32) && (nbsp == 1)) {
 414                         memcpy(bptr, "&nbsp;", 6);
 415                         bptr += 6;
 416                 }
 417                 else if ((*aptr == '\n') && (nolinebreaks)) {
 418                         *bptr='\0';     /* nothing */
 419                 }
 420                 else if ((*aptr == '\r') && (nolinebreaks)) {
 421                         *bptr='\0';     /* nothing */
 422                 }
 423                 else{
 424                         *bptr = *aptr;
 425                         bptr++;
 426                 }
 427                 aptr ++;
 428         }
 429         *bptr = '\0';
 430         if ((bptr = eptr - 1 ) && !IsEmptyStr(aptr) )
 431                 return -1;
 432         return (bptr - target);
 433 }
 434
 435 void escputs1(char *strbuf, int nbsp, int nolinebreaks)
 436 {
 437         char *buf;
 438         long Siz;
 439
 440         if (strbuf == NULL) return;
 441         Siz = (3 * strlen(strbuf)) + SIZ ;
 442         buf = malloc(Siz);
 443         stresc(buf, Siz, strbuf, nbsp, nolinebreaks);
 444         wprintf("%s", buf);
 445         free(buf);
 446 }
 447
 448 /*
 449  * static wrapper for ecsputs1
 450  */
 451 void escputs(char *strbuf)
 452 {
 453         escputs1(strbuf, 0, 0);
 454 }
 455
 456
 457 /*
 458  * urlescape buffer and print it to the client
 459  */
 460 void urlescputs(char *strbuf)
 461 {
 462         char outbuf[SIZ];
 463
 464         urlesc(outbuf, SIZ, strbuf);
 465         wprintf("%s", outbuf);
 466 }
 467
 468
 469 /*
 470  * Copy a string, escaping characters for JavaScript strings.
 471  */
 472 void jsesc(char *target, size_t tlen, char *strbuf)
 473 {
 474         int len;
 475         char *tend;
 476         char *send;
 477         char *tptr;
 478         char *sptr;
 479
 480         target[0]='\0';
 481         len = strlen (strbuf);
 482         send = strbuf + len;
 483         tend = target + tlen;
 484         sptr = strbuf;
 485         tptr = target;
 486
 487         while (!IsEmptyStr(sptr) &&
 488                (sptr < send) &&
 489                (tptr < tend)) {
 490
 491                 if (*sptr == '<')
 492                         *tptr = '[';
 493                 else if (*sptr == '>')
 494                         *tptr = ']';
 495                 else if (*sptr == '\'') {
 496                         if (tend - tptr < 3)
 497                                 return;
 498                         *(tptr++) = '\\';
 499                         *tptr = '\'';
 500                 }
 501                 else if (*sptr == '"') {
 502                         if (tend - tptr < 8)
 503                                 return;
 504                         *(tptr++) = '&';
 505                         *(tptr++) = 'q';
 506                         *(tptr++) = 'u';
 507                         *(tptr++) = 'o';
 508                         *(tptr++) = 't';
 509                         *tptr = ';';
 510                 }
 511                 else if (*sptr == '&') {
 512                         if (tend - tptr < 7)
 513                                 return;
 514                         *(tptr++) = '&';
 515                         *(tptr++) = 'a';
 516                         *(tptr++) = 'm';
 517                         *(tptr++) = 'p';
 518                         *tptr = ';';
 519                 } else {
 520                         *tptr = *sptr;
 521                 }
 522                 tptr++; sptr++;
 523         }
 524         *tptr = '\0';
 525 }
 526
 527 /*
 528  * escape and print javascript
 529  */
 530 void jsescputs(char *strbuf)
 531 {
 532         char outbuf[SIZ];
 533
 534         jsesc(outbuf, SIZ, strbuf);
 535         wprintf("%s", outbuf);
 536 }
 537
 538 /*
 539  * Copy a string, escaping characters for message text hold
 540  */
 541 void msgesc(char *target, size_t tlen, char *strbuf)
 542 {
 543         int len;
 544         char *tend;
 545         char *send;
 546         char *tptr;
 547         char *sptr;
 548
 549         target[0]='\0';
 550         len = strlen (strbuf);
 551         send = strbuf + len;
 552         tend = target + tlen;
 553         sptr = strbuf;
 554         tptr = target;
 555
 556         while (!IsEmptyStr(sptr) &&
 557                (sptr < send) &&
 558                (tptr < tend)) {
 559
 560                 if (*sptr == '\n')
 561                         *tptr = ' ';
 562                 else if (*sptr == '\r')
 563                         *tptr = ' ';
 564                 else if (*sptr == '\'') {
 565                         if (tend - tptr < 8)
 566                                 return;
 567                         *(tptr++) = '&';
 568                         *(tptr++) = '#';
 569                         *(tptr++) = '3';
 570                         *(tptr++) = '9';
 571                         *tptr = ';';
 572                 } else {
 573                         *tptr = *sptr;
 574                 }
 575                 tptr++; sptr++;
 576         }
 577         *tptr = '\0';
 578 }
 579
 580 /**
 581  * \brief print a string to the client after cleaning it with msgesc() and stresc()
 582  * \param strbuf string to be printed
 583  */
 584 void msgescputs1( char *strbuf)
 585 {
 586         char *outbuf;
 587         char *outbuf2;
 588         int buflen;
 589
 590         if (strbuf == NULL) return;
 591         buflen = 3 * strlen(strbuf) + SIZ;
 592         outbuf = malloc( buflen);
 593         outbuf2 = malloc( buflen);
 594         msgesc(outbuf, buflen, strbuf);
 595         stresc(outbuf2, buflen, outbuf, 0, 0);
 596         wprintf("%s", outbuf2);
 597         free(outbuf);
 598         free(outbuf2);
 599 }
 600
 601 /**
 602  * \brief print a string to the client after cleaning it with msgesc()
 603  * \param strbuf string to be printed
 604  */
 605 void msgescputs(char *strbuf) {
 606         char *outbuf;
 607         size_t len;
 608
 609         if (strbuf == NULL) return;
 610         len =  (3 * strlen(strbuf)) + SIZ;
 611         outbuf = malloc(len);
 612         msgesc(outbuf, len, strbuf);
 613         wprintf("%s", outbuf);
 614         free(outbuf);
 615 }
 616
 617
 618
 619
 620 /*
 621  * Output HTTP headers and leading HTML for a page
 622  */
 623 void output_headers(    int do_httpheaders,     /* 1 = output HTTP headers                          */
 624                         int do_htmlhead,        /* 1 = output HTML <head> section and <body> opener */
 625
 626                         int do_room_banner,     /* 0=no, 1=yes,
 627                                                  * 2 = I'm going to embed my own, so don't open the
 628                                                  *     <div id="content"> either.
 629                                                  */
 630
 631                         int unset_cookies,      /* 1 = session is terminating, so unset the cookies */
 632                         int suppress_check,     /* 1 = suppress check for instant messages          */
 633                         int cache               /* 1 = allow browser to cache this page             */
 634 ) {
 635         char cookie[1024];
 636         char httpnow[128];
 637
 638         wprintf("HTTP/1.1 200 OK\n");
 639         http_datestring(httpnow, sizeof httpnow, time(NULL));
 640
 641         if (do_httpheaders) {
 642                 wprintf("Content-type: text/html; charset=utf-8\r\n"
 643                         "Server: %s / %s\n"
 644                         "Connection: close\r\n",
 645                         PACKAGE_STRING, serv_info.serv_software
 646                 );
 647         }
 648
 649         if (cache) {
 650                 wprintf("Pragma: public\r\n"
 651                         "Cache-Control: max-age=3600, must-revalidate\r\n"
 652                         "Last-modified: %s\r\n",
 653                         httpnow
 654                 );
 655         }
 656         else {
 657                 wprintf("Pragma: no-cache\r\n"
 658                         "Cache-Control: no-store\r\n"
 659                         "Expires: -1\r\n"
 660                 );
 661         }
 662
 663         stuff_to_cookie(cookie, 1024, WC->wc_session, WC->wc_username,
 664                         WC->wc_password, WC->wc_roomname);
 665
 666         if (unset_cookies) {
 667                 wprintf("Set-cookie: webcit=%s; path=/\r\n", unset);
 668         } else {
 669                 wprintf("Set-cookie: webcit=%s; path=/\r\n", cookie);
 670                 if (server_cookie != NULL) {
 671                         wprintf("%s\n", server_cookie);
 672                 }
 673         }
 674
 675         if (do_htmlhead) {
 676                 begin_burst();
 677                 if (!access("static.local/webcit.css", R_OK)) {
 678                         svprintf(HKEY("CSSLOCAL"), WCS_STRING,
 679                            "<link href=\"static.local/webcit.css\" rel=\"stylesheet\" type=\"text/css\">"
 680                         );
 681                 }
 682                 do_template("head");
 683         }
 684
 685         /* ICONBAR */
 686         if (do_htmlhead) {
 687
 688
 689                 /* check for ImportantMessages (these display in a div overlaying the main screen) */
 690                 if (!IsEmptyStr(WC->ImportantMessage)) {
 691                         wprintf("<div id=\"important_message\">\n"
 692                                 "<span class=\"imsg\">");
 693                         escputs(WC->ImportantMessage);
 694                         wprintf("</span><br />\n"
 695                                 "</div>\n"
 696                                 "<script type=\"text/javascript\">\n"
 697                                 "        setTimeout('hide_imsg_popup()', 5000); \n"
 698                                 "</script>\n");
 699                         WC->ImportantMessage[0] = 0;
 700                 }
 701
 702                 if ( (WC->logged_in) && (!unset_cookies) ) {
 703                         wprintf("<div id=\"iconbar\">");
 704                         do_selected_iconbar();
 705                         /** check for instant messages (these display in a new window) */
 706                         page_popup();
 707                         wprintf("</div>");
 708                 }
 709
 710                 if (do_room_banner == 1) {
 711                         wprintf("<div id=\"banner\">\n");
 712                         embed_room_banner(NULL, navbar_default);
 713                         wprintf("</div>\n");
 714                 }
 715         }
 716
 717         if (do_room_banner == 1) {
 718                 wprintf("<div id=\"content\">\n");
 719         }
 720 }
 721
 722
 723 /*
 724  * Generic function to do an HTTP redirect.  Easy and fun.
 725  */
 726 void http_redirect(char *whichpage) {
 727         wprintf("HTTP/1.1 302 Moved Temporarily\n");
 728         wprintf("Location: %s\r\n", whichpage);
 729         wprintf("URI: %s\r\n", whichpage);
 730         wprintf("Content-type: text/html; charset=utf-8\r\n\r\n");
 731         wprintf("<html><body>");
 732         wprintf("Go <a href=\"%s\">here</A>.", whichpage);
 733         wprintf("</body></html>\n");
 734 }
 735
 736
 737
 738 /*
 739  * Output a piece of content to the web browser using conformant HTTP and MIME semantics
 740  */
 741 void http_transmit_thing(char *thing, size_t length, const char *content_type,
 742                          int is_static) {
 743
 744         output_headers(0, 0, 0, 0, 0, is_static);
 745
 746         wprintf("Content-type: %s\r\n"
 747                 "Server: %s\r\n"
 748                 "Connection: close\r\n",
 749                 content_type,
 750                 PACKAGE_STRING);
 751
 752 #ifdef HAVE_ZLIB
 753         /* If we can send the data out compressed, please do so. */
 754         if (WC->gzip_ok) {
 755                 char *compressed_data = NULL;
 756                 size_t compressed_len;
 757
 758                 compressed_len =  ((length * 101) / 100) + 100;
 759                 compressed_data = malloc(compressed_len);
 760
 761                 if (compress_gzip((Bytef *) compressed_data,
 762                                   &compressed_len,
 763                                   (Bytef *) thing,
 764                                   (uLongf) length, Z_BEST_SPEED) == Z_OK) {
 765                         wprintf("Content-encoding: gzip\r\n"
 766                                 "Content-length: %ld\r\n"
 767                                 "\r\n",
 768                                 (long) compressed_len
 769                         );
 770                         client_write(compressed_data, (size_t)compressed_len);
 771                         free(compressed_data);
 772                         return;
 773                 }
 774         }
 775 #endif
 776
 777         /* No compression ... just send it out as-is */
 778         wprintf("Content-length: %ld\r\n"
 779                 "\r\n",
 780                 (long) length
 781         );
 782         client_write(thing, (size_t)length);
 783 }
 784
 785 /**
 786  * \brief print menu box like used in the floor view or admin interface.
 787  * This function takes pair of strings as va_args,
 788  * \param Title Title string of the box
 789  * \param Class CSS Class for the box
 790  * \param nLines How many string pairs should we print? (URL, UrlText)
 791  * \param ... Pairs of URL Strings and their Names
 792  */
 793 void print_menu_box(char* Title, char *Class, int nLines, ...)
 794 {
 795         va_list arg_list;
 796         long i;
 797
 798         svput("BOXTITLE", WCS_STRING, Title);
 799         do_template("beginbox");
 800
 801         wprintf("<ul class=\"%s\">", Class);
 802
 803         va_start(arg_list, nLines);
 804         for (i = 0; i < nLines; ++i)
 805         {
 806                 wprintf("<li><a href=\"%s\">", va_arg(arg_list, char *));
 807                 wprintf((char *) va_arg(arg_list, char *));
 808                 wprintf("</a></li>\n");
 809         }
 810         va_end (arg_list);
 811
 812         wprintf("</a></li>\n");
 813
 814         wprintf("</ul>");
 815
 816         do_template("endbox");
 817 }
 818
 819
 820 /**
 821  * \brief dump out static pages from disk
 822  * \param what the file urs to print
 823  */
 824 void output_static(char *what)
 825 {
 826         FILE *fp;
 827         struct stat statbuf;
 828         off_t bytes;
 829         off_t count = 0;
 830         size_t res;
 831         char *bigbuffer;
 832         const char *content_type;
 833         int len;
 834
 835         fp = fopen(what, "rb");
 836         if (fp == NULL) {
 837                 lprintf(9, "output_static('%s')  -- NOT FOUND --\n", what);
 838                 wprintf("HTTP/1.1 404 %s\r\n", strerror(errno));
 839                 wprintf("Content-Type: text/plain\r\n");
 840                 wprintf("\r\n");
 841                 wprintf("Cannot open %s: %s\r\n", what, strerror(errno));
 842         } else {
 843                 len = strlen (what);
 844                 content_type = GuessMimeByFilename(what, len);
 845
 846                 if (fstat(fileno(fp), &statbuf) == -1) {
 847                         lprintf(9, "output_static('%s')  -- FSTAT FAILED --\n", what);
 848                         wprintf("HTTP/1.1 404 %s\r\n", strerror(errno));
 849                         wprintf("Content-Type: text/plain\r\n");
 850                         wprintf("\r\n");
 851                         wprintf("Cannot fstat %s: %s\n", what, strerror(errno));
 852                         return;
 853                 }
 854
 855                 count = 0;
 856                 bytes = statbuf.st_size;
 857                 if ((bigbuffer = malloc(bytes + 2)) == NULL) {
 858                         lprintf(9, "output_static('%s')  -- MALLOC FAILED (%s) --\n", what, strerror(errno));
 859                         wprintf("HTTP/1.1 500 internal server error\r\n");
 860                         wprintf("Content-Type: text/plain\r\n");
 861                         wprintf("\r\n");
 862                         return;
 863                 }
 864                 while (count < bytes) {
 865                         if ((res = fread(bigbuffer + count, 1, bytes - count, fp)) == 0) {
 866                                 lprintf(9, "output_static('%s')  -- FREAD FAILED (%s) %zu bytes of %zu --\n", what, strerror(errno), bytes - count, bytes);
 867                                 wprintf("HTTP/1.1 500 internal server error \r\n");
 868                                 wprintf("Content-Type: text/plain\r\n");
 869                                 wprintf("\r\n");
 870                                 return;
 871                         }
 872                         count += res;
 873                 }
 874
 875                 fclose(fp);
 876
 877                 lprintf(9, "output_static('%s')  %s\n", what, content_type);
 878                 http_transmit_thing(bigbuffer, (size_t)bytes, content_type, 1);
 879                 free(bigbuffer);
 880         }
 881         if (yesbstr("force_close_session")) {
 882                 end_webcit_session();
 883         }
 884 }
 885
 886 /**
 887  * \brief When the browser requests an image file from the Citadel server,
 888  * this function is called to transmit it.
 889  */
 890 void output_image()
 891 {
 892         char buf[SIZ];
 893         char *xferbuf = NULL;
 894         off_t bytes;
 895         const char *MimeType;
 896
 897         serv_printf("OIMG %s|%s", bstr("name"), bstr("parm"));
 898         serv_getln(buf, sizeof buf);
 899         if (buf[0] == '2') {
 900                 bytes = extract_long(&buf[4], 0);
 901                 xferbuf = malloc(bytes + 2);
 902
 903                 /** Read it from the server */
 904                 read_server_binary(xferbuf, bytes);
 905                 serv_puts("CLOS");
 906                 serv_getln(buf, sizeof buf);
 907
 908                 MimeType = GuessMimeType (xferbuf, bytes);
 909                 /** Write it to the browser */
 910                 if (!IsEmptyStr(MimeType))
 911                 {
 912                         http_transmit_thing(xferbuf,
 913                                             (size_t)bytes,
 914                                             MimeType,
 915                                             0);
 916                         free(xferbuf);
 917                         return;
 918                 }
 919                 /* hm... unknown mimetype? fallback to blank gif */
 920                 free(xferbuf);
 921         }
 922
 923
 924         /**
 925          * Instead of an ugly 404, send a 1x1 transparent GIF
 926          * when there's no such image on the server.
 927          */
 928         char blank_gif[SIZ];
 929         snprintf (blank_gif, SIZ, "%s%s", static_dirs[0], "/blank.gif");
 930         output_static(blank_gif);
 931 }
 932
 933 /**
 934   * \brief Extract an embedded photo from a vCard for display on the client
 935   *
 936   * \param msgnum
 937   */
 938 void display_vcard_photo_img(char *msgnum_as_string)
 939 {
 940         long msgnum = 0L;
 941         char *vcard;
 942         struct vCard *v;
 943         char *xferbuf;
 944     char *photosrc;
 945         int decoded;
 946         const char *contentType;
 947
 948         msgnum = atol(msgnum_as_string);
 949
 950         vcard = load_mimepart(msgnum,"1");
 951         v = vcard_load(vcard);
 952
 953         photosrc = vcard_get_prop(v, "PHOTO", 1,0,0);
 954         xferbuf = malloc(strlen(photosrc));
 955         if (xferbuf == NULL) {
 956                 lprintf(5, "xferbuf malloc failed\n");
 957                 return;
 958         }
 959         memset(xferbuf, 1, SIZ);
 960         decoded = CtdlDecodeBase64(
 961                 xferbuf,
 962                 photosrc,
 963                 strlen(photosrc));
 964         contentType = GuessMimeType(xferbuf, decoded);
 965         http_transmit_thing(xferbuf, decoded, contentType, 0);
 966         free(v);
 967         free(photosrc);
 968         free(xferbuf);
 969 }
 970
 971 /**
 972  * \brief Generic function to output an arbitrary MIME part from an arbitrary
 973  *        message number on the server.
 974  *
 975  * \param msgnum                Number of the item on the citadel server
 976  * \param partnum               The MIME part to be output
 977  * \param force_download        Nonzero to force set the Content-Type: header
 978  *                              to "application/octet-stream"
 979  */
 980 void mimepart(char *msgnum, char *partnum, int force_download)
 981 {
 982         char buf[256];
 983         off_t bytes;
 984         char content_type[256];
 985         char *content = NULL;
 986
 987         serv_printf("OPNA %s|%s", msgnum, partnum);
 988         serv_getln(buf, sizeof buf);
 989         if (buf[0] == '2') {
 990                 bytes = extract_long(&buf[4], 0);
 991                 content = malloc(bytes + 2);
 992                 if (force_download) {
 993                         strcpy(content_type, "application/octet-stream");
 994                 }
 995                 else {
 996                         extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
 997                 }
 998                 output_headers(0, 0, 0, 0, 0, 0);
 999                 read_server_binary(content, bytes);
1000                 serv_puts("CLOS");
1001                 serv_getln(buf, sizeof buf);
1002                 http_transmit_thing(content, bytes, content_type, 0);
1003                 free(content);
1004         } else {
1005                 wprintf("HTTP/1.1 404 %s\n", &buf[4]);
1006                 output_headers(0, 0, 0, 0, 0, 0);
1007                 wprintf("Content-Type: text/plain\r\n");
1008                 wprintf("\r\n");
1009                 wprintf(_("An error occurred while retrieving this part: %s\n"), &buf[4]);
1010         }
1011
1012 }
1013
1014
1015 /**
1016  * \brief Read any MIME part of a message, from the server, into memory.
1017  * \param msgnum number of the message on the citadel server
1018  * \param partnum the MIME part to be loaded
1019  */
1020 char *load_mimepart(long msgnum, char *partnum)
1021 {
1022         char buf[SIZ];
1023         off_t bytes;
1024         char content_type[SIZ];
1025         char *content;
1026
1027         serv_printf("DLAT %ld|%s", msgnum, partnum);
1028         serv_getln(buf, sizeof buf);
1029         if (buf[0] == '6') {
1030                 bytes = extract_long(&buf[4], 0);
1031                 extract_token(content_type, &buf[4], 3, '|', sizeof content_type);
1032
1033                 content = malloc(bytes + 2);
1034                 serv_read(content, bytes);
1035
1036                 content[bytes] = 0;     /* null terminate for good measure */
1037                 return(content);
1038         }
1039         else {
1040                 return(NULL);
1041         }
1042
1043 }
1044
1045
1046 /**
1047  * \brief Convenience functions to display a page containing only a string
1048  * \param titlebarcolor color of the titlebar of the frame
1049  * \param titlebarmsg text to display in the title bar
1050  * \param messagetext body of the box
1051  */
1052 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext)
1053 {
1054         wprintf("HTTP/1.1 200 OK\n");
1055         output_headers(1, 1, 2, 0, 0, 0);
1056         wprintf("<div id=\"banner\">\n");
1057         wprintf("<table width=100%% border=0 bgcolor=\"#%s\"><tr><td>", titlebarcolor);
1058         wprintf("<span class=\"titlebar\">%s</span>\n", titlebarmsg);
1059         wprintf("</td></tr></table>\n");
1060         wprintf("</div>\n<div id=\"content\">\n");
1061         escputs(messagetext);
1062
1063         wprintf("<hr />\n");
1064         wDumpContent(1);
1065 }
1066
1067
1068 /**
1069  * \brief Display a blank page.
1070  */
1071 void blank_page(void) {
1072         output_headers(1, 1, 0, 0, 0, 0);
1073         wDumpContent(2);
1074 }
1075
1076
1077 /**
1078  * \brief A template has been requested
1079  */
1080 void url_do_template(void) {
1081         do_template(bstr("template"));
1082 }
1083
1084
1085
1086 /**
1087  * \brief Offer to make any page the user's "start page."
1088  */
1089 void offer_start_page(void) {
1090         wprintf("<a href=\"change_start_page?startpage=");
1091         urlescputs(WC->this_page);
1092         wprintf("\">");
1093         wprintf(_("Make this my start page"));
1094         wprintf("</a>");
1095 #ifdef TECH_PREVIEW
1096         wprintf("<br/><a href=\"rss?room=");
1097         urlescputs(WC->wc_roomname);
1098         wprintf("\" title=\"RSS 2.0 feed for ");
1099         escputs(WC->wc_roomname);
1100         wprintf("\"><img alt=\"RSS\" border=\"0\" src=\"static/xml_button.gif\"/></a>\n");
1101 #endif
1102 }
1103
1104
1105 /**
1106  * \brief Change the user's start page
1107  */
1108 void change_start_page(void) {
1109
1110         if (bstr("startpage") == NULL) {
1111                 safestrncpy(WC->ImportantMessage,
1112                         _("You no longer have a start page selected."),
1113                         sizeof WC->ImportantMessage);
1114                 display_main_menu();
1115                 return;
1116         }
1117
1118         set_preference("startpage", bstr("startpage"), 1);
1119
1120         output_headers(1, 1, 0, 0, 0, 0);
1121         do_template("newstartpage");
1122         wDumpContent(1);
1123 }
1124
1125
1126
1127 /**
1128  * \brief convenience function to indicate success
1129  * \param successmessage the mesage itself
1130  */
1131 void display_success(char *successmessage)
1132 {
1133         convenience_page("007700", "OK", successmessage);
1134 }
1135
1136
1137 /**
1138  * \brief Authorization required page
1139  * This is probably temporary and should be revisited
1140  * \param message message to put in header
1141 */
1142 void authorization_required(const char *message)
1143 {
1144         wprintf("HTTP/1.1 401 Authorization Required\r\n");
1145         wprintf("WWW-Authenticate: Basic realm=\"\"\r\n", serv_info.serv_humannode);
1146         wprintf("Content-Type: text/html\r\n\r\n");
1147         wprintf("<h1>");
1148         wprintf(_("Authorization Required"));
1149         wprintf("</h1>\r\n");
1150         wprintf(_("The resource you requested requires a valid username and password. "
1151                 "You could not be logged in: %s\n"), message);
1152         wDumpContent(0);
1153 }
1154
1155 /**
1156  * \brief This function is called by the MIME parser to handle data uploaded by
1157  *        the browser.  Form data, uploaded files, and the data from HTTP PUT
1158  *        operations (such as those found in GroupDAV) all arrive this way.
1159  *
1160  * \param name Name of the item being uploaded
1161  * \param filename Filename of the item being uploaded
1162  * \param partnum MIME part identifier (not needed)
1163  * \param disp MIME content disposition (not needed)
1164  * \param content The actual data
1165  * \param cbtype MIME content-type
1166  * \param cbcharset Character set
1167  * \param length Content length
1168  * \param encoding MIME encoding type (not needed)
1169  * \param userdata Not used here
1170  */
1171 void upload_handler(char *name, char *filename, char *partnum, char *disp,
1172                         void *content, char *cbtype, char *cbcharset,
1173                         size_t length, char *encoding, void *userdata)
1174 {
1175         urlcontent *u;
1176 /*
1177         lprintf(9, "upload_handler() name=%s, type=%s, len=%d\n", name, cbtype, length);
1178 */
1179         if (WC->urlstrings == NULL)
1180                 WC->urlstrings = NewHash(1, NULL);
1181
1182         /* Form fields */
1183         if ( (length > 0) && (IsEmptyStr(cbtype)) ) {
1184                 u = (urlcontent *) malloc(sizeof(urlcontent));
1185
1186                 safestrncpy(u->url_key, name, sizeof(u->url_key));
1187                 u->url_data = malloc(length + 1);
1188                 u->url_data_size = length;
1189                 memcpy(u->url_data, content, length);
1190                 u->url_data[length] = 0;
1191                 Put(WC->urlstrings, u->url_key, strlen(u->url_key), u, free_url);
1192
1193 /*              lprintf(9, "Key: <%s> len: [%ld] Data: <%s>\n", u->url_key, u->url_data_size, u->url_data);*/
1194         }
1195
1196         /** Uploaded files */
1197         if ( (length > 0) && (!IsEmptyStr(cbtype)) ) {
1198                 WC->upload = malloc(length);
1199                 if (WC->upload != NULL) {
1200                         WC->upload_length = length;
1201                         safestrncpy(WC->upload_filename, filename,
1202                                         sizeof(WC->upload_filename));
1203                         safestrncpy(WC->upload_content_type, cbtype,
1204                                         sizeof(WC->upload_content_type));
1205                         memcpy(WC->upload, content, length);
1206                 }
1207                 else {
1208                         lprintf(3, "malloc() failed: %s\n", strerror(errno));
1209                 }
1210         }
1211
1212 }
1213
1214 /**
1215  * \brief Convenience functions to wrap around asynchronous ajax responses
1216  */
1217 void begin_ajax_response(void) {
1218         output_headers(0, 0, 0, 0, 0, 0);
1219
1220         wprintf("Content-type: text/html; charset=UTF-8\r\n"
1221                 "Server: %s\r\n"
1222                 "Connection: close\r\n"
1223                 "Pragma: no-cache\r\n"
1224                 "Cache-Control: no-cache\r\n"
1225                 "Expires: -1\r\n"
1226                 ,
1227                 PACKAGE_STRING);
1228         begin_burst();
1229 }
1230
1231 /**
1232  * \brief print ajax response footer
1233  */
1234 void end_ajax_response(void) {
1235         wprintf("\r\n");
1236         wDumpContent(0);
1237 }
1238
1239 /**
1240  * \brief Wraps a Citadel server command in an AJAX transaction.
1241  */
1242 void ajax_servcmd(void)
1243 {
1244         char buf[1024];
1245         char gcontent[1024];
1246         char *junk;
1247         size_t len;
1248
1249         begin_ajax_response();
1250
1251         serv_printf("%s", bstr("g_cmd"));
1252         serv_getln(buf, sizeof buf);
1253         wprintf("%s\n", buf);
1254
1255         if (buf[0] == '8') {
1256                 serv_printf("\n\n000");
1257         }
1258         if ((buf[0] == '1') || (buf[0] == '8')) {
1259                 while (serv_getln(gcontent, sizeof gcontent), strcmp(gcontent, "000")) {
1260                         wprintf("%s\n", gcontent);
1261                 }
1262                 wprintf("000");
1263         }
1264         if (buf[0] == '4') {
1265                 text_to_server(bstr("g_input"));
1266                 serv_puts("000");
1267         }
1268         if (buf[0] == '6') {
1269                 len = atol(&buf[4]);
1270                 junk = malloc(len);
1271                 serv_read(junk, len);
1272                 free(junk);
1273         }
1274         if (buf[0] == '7') {
1275                 len = atol(&buf[4]);
1276                 junk = malloc(len);
1277                 memset(junk, 0, len);
1278                 serv_write(junk, len);
1279                 free(junk);
1280         }
1281
1282         end_ajax_response();
1283
1284         /**
1285          * This is kind of an ugly hack, but this is the only place it can go.
1286          * If the command was GEXP, then the instant messenger window must be
1287          * running, so reset the "last_pager_check" watchdog timer so
1288          * that page_popup() doesn't try to open it a second time.
1289          */
1290         if (!strncasecmp(bstr("g_cmd"), "GEXP", 4)) {
1291                 WC->last_pager_check = time(NULL);
1292         }
1293 }
1294
1295
1296 /**
1297  * \brief Helper function for the asynchronous check to see if we need
1298  * to open the instant messenger window.
1299  */
1300 void seconds_since_last_gexp(void)
1301 {
1302         char buf[256];
1303
1304         begin_ajax_response();
1305         if ( (time(NULL) - WC->last_pager_check) < 30) {
1306                 wprintf("NO\n");
1307         }
1308         else {
1309                 serv_puts("NOOP");
1310                 serv_getln(buf, sizeof buf);
1311                 if (buf[3] == '*') {
1312                         wprintf("YES");
1313                 }
1314                 else {
1315                         wprintf("NO");
1316                 }
1317         }
1318         end_ajax_response();
1319 }
1320
1321
1322
1323
1324 /**
1325  * \brief Entry point for WebCit transaction
1326  */
1327 void session_loop(struct httprequest *req)
1328 {
1329         char cmd[1024];
1330         char action[1024];
1331         char arg[8][128];
1332         size_t sizes[10];
1333         char *index[10];
1334         char buf[SIZ];
1335         char request_method[128];
1336         char pathname[1024];
1337         int a, b, nBackDots, nEmpty;
1338         int ContentLength = 0;
1339         int BytesRead = 0;
1340         char ContentType[512];
1341         char *content = NULL;
1342         char *content_end = NULL;
1343         struct httprequest *hptr;
1344         char browser_host[256];
1345         char user_agent[256];
1346         int body_start = 0;
1347         int is_static = 0;
1348         int n_static = 0;
1349         int len = 0;
1350         /**
1351          * We stuff these with the values coming from the client cookies,
1352          * so we can use them to reconnect a timed out session if we have to.
1353          */
1354         char c_username[SIZ];
1355         char c_password[SIZ];
1356         char c_roomname[SIZ];
1357         char c_httpauth_string[SIZ];
1358         char c_httpauth_user[SIZ];
1359         char c_httpauth_pass[SIZ];
1360         char cookie[SIZ];
1361
1362         safestrncpy(c_username, "", sizeof c_username);
1363         safestrncpy(c_password, "", sizeof c_password);
1364         safestrncpy(c_roomname, "", sizeof c_roomname);
1365         safestrncpy(c_httpauth_string, "", sizeof c_httpauth_string);
1366         safestrncpy(c_httpauth_user, DEFAULT_HTTPAUTH_USER, sizeof c_httpauth_user);
1367         safestrncpy(c_httpauth_pass, DEFAULT_HTTPAUTH_PASS, sizeof c_httpauth_pass);
1368         strcpy(browser_host, "");
1369
1370         WC->upload_length = 0;
1371         WC->upload = NULL;
1372         WC->is_wap = 0;
1373
1374         hptr = req;
1375         if (hptr == NULL) return;
1376
1377         safestrncpy(cmd, hptr->line, sizeof cmd);
1378         hptr = hptr->next;
1379         extract_token(request_method, cmd, 0, ' ', sizeof request_method);
1380         extract_token(pathname, cmd, 1, ' ', sizeof pathname);
1381
1382         /** Figure out the action */
1383         index[0] = action;
1384         sizes[0] = sizeof action;
1385         for (a=1; a<9; a++)
1386         {
1387                 index[a] = arg[a-1];
1388                 sizes[a] = sizeof arg[a-1];
1389         }
1390 ////    index[9] = &foo; todo
1391         nBackDots = 0;
1392         nEmpty = 0;
1393         for ( a = 0; a < 9; ++a)
1394         {
1395                 extract_token(index[a], pathname, a + 1, '/', sizes[a]);
1396                 if (strstr(index[a], "?")) *strstr(index[a], "?") = 0;
1397                 if (strstr(index[a], "&")) *strstr(index[a], "&") = 0;
1398                 if (strstr(index[a], " ")) *strstr(index[a], " ") = 0;
1399                 if ((index[a][0] == '.') && (index[a][1] == '.'))
1400                         nBackDots++;
1401                 if (index[a][0] == '\0')
1402                         nEmpty++;
1403         }
1404
1405         while (hptr != NULL) {
1406                 safestrncpy(buf, hptr->line, sizeof buf);
1407                 /* lprintf(9, "HTTP HEADER: %s\n", buf); */
1408                 hptr = hptr->next;
1409
1410                 if (!strncasecmp(buf, "Cookie: webcit=", 15)) {
1411                         safestrncpy(cookie, &buf[15], sizeof cookie);
1412                         cookie_to_stuff(cookie, NULL,
1413                                         c_username, sizeof c_username,
1414                                         c_password, sizeof c_password,
1415                                         c_roomname, sizeof c_roomname);
1416                 }
1417                 else if (!strncasecmp(buf, "Authorization: Basic ", 21)) {
1418                         CtdlDecodeBase64(c_httpauth_string, &buf[21], strlen(&buf[21]));
1419                         extract_token(c_httpauth_user, c_httpauth_string, 0, ':', sizeof c_httpauth_user);
1420                         extract_token(c_httpauth_pass, c_httpauth_string, 1, ':', sizeof c_httpauth_pass);
1421                 }
1422                 else if (!strncasecmp(buf, "Content-length: ", 16)) {
1423                         ContentLength = atoi(&buf[16]);
1424                 }
1425                 else if (!strncasecmp(buf, "Content-type: ", 14)) {
1426                         safestrncpy(ContentType, &buf[14], sizeof ContentType);
1427                 }
1428                 else if (!strncasecmp(buf, "User-agent: ", 12)) {
1429                         safestrncpy(user_agent, &buf[12], sizeof user_agent);
1430                 }
1431                 else if (!strncasecmp(buf, "X-Forwarded-Host: ", 18)) {
1432                         if (follow_xff) {
1433                                 safestrncpy(WC->http_host, &buf[18], sizeof WC->http_host);
1434                         }
1435                 }
1436                 else if (!strncasecmp(buf, "Host: ", 6)) {
1437                         if (IsEmptyStr(WC->http_host)) {
1438                                 safestrncpy(WC->http_host, &buf[6], sizeof WC->http_host);
1439                         }
1440                 }
1441                 else if (!strncasecmp(buf, "X-Forwarded-For: ", 17)) {
1442                         safestrncpy(browser_host, &buf[17], sizeof browser_host);
1443                         while (num_tokens(browser_host, ',') > 1) {
1444                                 remove_token(browser_host, 0, ',');
1445                         }
1446                         striplt(browser_host);
1447                 }
1448                 /** Only WAP gateways explicitly name this content-type */
1449                 else if (strstr(buf, "text/vnd.wap.wml")) {
1450                         WC->is_wap = 1;
1451                 }
1452         }
1453
1454         if (ContentLength > 0) {
1455                 content = malloc(ContentLength + SIZ);
1456                 memset(content, 0, ContentLength + SIZ);
1457                 snprintf(content,  ContentLength + SIZ, "Content-type: %s\n"
1458                                 "Content-length: %d\n\n",
1459                                 ContentType, ContentLength);
1460                 body_start = strlen(content);
1461
1462                 /** Read the entire input data at once. */
1463                 client_read(WC->http_sock, &content[BytesRead+body_start], ContentLength);
1464
1465                 if (!strncasecmp(ContentType, "application/x-www-form-urlencoded", 33)) {
1466                         addurls(&content[body_start]);
1467                 } else if (!strncasecmp(ContentType, "multipart", 9)) {
1468                         content_end = content + ContentLength + body_start;
1469                         mime_parser(content, content_end, *upload_handler, NULL, NULL, NULL, 0);
1470                 }
1471         } else {
1472                 content = NULL;
1473         }
1474
1475         /** make a note of where we are in case the user wants to save it */
1476         safestrncpy(WC->this_page, cmd, sizeof(WC->this_page));
1477         remove_token(WC->this_page, 2, ' ');
1478         remove_token(WC->this_page, 0, ' ');
1479
1480         /** If there are variables in the URL, we must grab them now */
1481         len = strlen(cmd);
1482         for (a = 0; a < len; ++a) {
1483                 if ((cmd[a] == '?') || (cmd[a] == '&')) {
1484                         for (b = a; b < len; ++b) {
1485                                 if (isspace(cmd[b])){
1486                                         cmd[b] = 0;
1487                                         len = b - 1;
1488                                 }
1489                         }
1490                         addurls(&cmd[a + 1]);
1491                         cmd[a] = 0;
1492                         len = a - 1;
1493                 }
1494         }
1495
1496         /** If it's a "force 404" situation then display the error and bail. */
1497         if (!strcmp(action, "404")) {
1498                 wprintf("HTTP/1.1 404 Not found\r\n");
1499                 wprintf("Content-Type: text/plain\r\n");
1500                 wprintf("\r\n");
1501                 wprintf("Not found\r\n");
1502                 goto SKIP_ALL_THIS_CRAP;
1503         }
1504
1505         /** Static content can be sent without connecting to Citadel. */
1506         is_static = 0;
1507         for (a=0; a<ndirs; ++a) {
1508                 if (!strcasecmp(action, (char*)static_content_dirs[a])) { /* map web to disk location */
1509                         is_static = 1;
1510                         n_static = a;
1511                 }
1512         }
1513         if (is_static) {
1514                 if (nBackDots < 2)
1515                 {
1516                         snprintf(buf, sizeof buf, "%s/%s/%s/%s/%s/%s/%s/%s",
1517                                  static_dirs[n_static],
1518                                  index[1], index[2], index[3], index[4], index[5], index[6], index[7]);
1519                         for (a=0; a<8; ++a) {
1520                                 if (buf[strlen(buf)-1] == '/') {
1521                                         buf[strlen(buf)-1] = 0;
1522                                 }
1523                         }
1524                         for (a = 0; a < strlen(buf); ++a) {
1525                                 if (isspace(buf[a])) {
1526                                         buf[a] = 0;
1527                                 }
1528                         }
1529                         output_static(buf);
1530                 }
1531                 else
1532                 {
1533                         lprintf(9, "Suspicious request. Ignoring.");
1534                         wprintf("HTTP/1.1 404 Security check failed\r\n");
1535                         wprintf("Content-Type: text/plain\r\n");
1536                         wprintf("\r\n");
1537                         wprintf("You have sent a malformed or invalid request.\r\n");
1538                 }
1539                 goto SKIP_ALL_THIS_CRAP;        /* Don't try to connect */
1540         }
1541
1542         /* If the client sent a nonce that is incorrect, kill the request. */
1543         if (strlen(bstr("nonce")) > 0) {
1544                 lprintf(9, "Comparing supplied nonce %s to session nonce %ld\n",
1545                         bstr("nonce"), WC->nonce);
1546                 if (ibstr("nonce") != WC->nonce) {
1547                         lprintf(9, "Ignoring request with mismatched nonce.\n");
1548                         wprintf("HTTP/1.1 404 Security check failed\r\n");
1549                         wprintf("Content-Type: text/plain\r\n");
1550                         wprintf("\r\n");
1551                         wprintf("Security check failed.\r\n");
1552                         goto SKIP_ALL_THIS_CRAP;
1553                 }
1554         }
1555
1556         /**
1557          * If we're not connected to a Citadel server, try to hook up the
1558          * connection now.
1559          */
1560         if (!WC->connected) {
1561                 if (!strcasecmp(ctdlhost, "uds")) {
1562                         /* unix domain socket */
1563                         snprintf(buf, SIZ, "%s/citadel.socket", ctdlport);
1564                         WC->serv_sock = uds_connectsock(buf);
1565                 }
1566                 else {
1567                         /* tcp socket */
1568                         WC->serv_sock = tcp_connectsock(ctdlhost, ctdlport);
1569                 }
1570
1571                 if (WC->serv_sock < 0) {
1572                         do_logout();
1573                         goto SKIP_ALL_THIS_CRAP;
1574                 }
1575                 else {
1576                         WC->connected = 1;
1577                         serv_getln(buf, sizeof buf);    /** get the server welcome message */
1578
1579                         /**
1580                          * From what host is our user connecting?  Go with
1581                          * the host at the other end of the HTTP socket,
1582                          * unless we are following X-Forwarded-For: headers
1583                          * and such a header has already turned up something.
1584                          */
1585                         if ( (!follow_xff) || (strlen(browser_host) == 0) ) {
1586                                 locate_host(browser_host, WC->http_sock);
1587                         }
1588
1589                         get_serv_info(browser_host, user_agent);
1590                         if (serv_info.serv_rev_level < MINIMUM_CIT_VERSION) {
1591                                 wprintf(_("You are connected to a Citadel "
1592                                         "server running Citadel %d.%02d. \n"
1593                                         "In order to run this version of WebCit "
1594                                         "you must also have Citadel %d.%02d or"
1595                                         " newer.\n\n\n"),
1596                                                 serv_info.serv_rev_level / 100,
1597                                                 serv_info.serv_rev_level % 100,
1598                                                 MINIMUM_CIT_VERSION / 100,
1599                                                 MINIMUM_CIT_VERSION % 100
1600                                         );
1601                                 end_webcit_session();
1602                                 goto SKIP_ALL_THIS_CRAP;
1603                         }
1604                 }
1605         }
1606
1607         /**
1608          * Functions which can be performed without logging in
1609          */
1610         if (!strcasecmp(action, "listsub")) {
1611                 do_listsub();
1612                 goto SKIP_ALL_THIS_CRAP;
1613         }
1614         if (!strcasecmp(action, "freebusy")) {
1615                 do_freebusy(cmd);
1616                 goto SKIP_ALL_THIS_CRAP;
1617         }
1618
1619         /**
1620          * If we're not logged in, but we have HTTP Authentication data,
1621          * try logging in to Citadel using that.
1622          */
1623         if ((!WC->logged_in)
1624            && (strlen(c_httpauth_user) > 0)
1625            && (strlen(c_httpauth_pass) > 0)) {
1626                 serv_printf("USER %s", c_httpauth_user);
1627                 serv_getln(buf, sizeof buf);
1628                 if (buf[0] == '3') {
1629                         serv_printf("PASS %s", c_httpauth_pass);
1630                         serv_getln(buf, sizeof buf);
1631                         if (buf[0] == '2') {
1632                                 become_logged_in(c_httpauth_user,
1633                                                 c_httpauth_pass, buf);
1634                                 safestrncpy(WC->httpauth_user, c_httpauth_user, sizeof WC->httpauth_user);
1635                                 safestrncpy(WC->httpauth_pass, c_httpauth_pass, sizeof WC->httpauth_pass);
1636                         } else {
1637                                 /** Should only display when password is wrong */
1638                                 authorization_required(&buf[4]);
1639                                 goto SKIP_ALL_THIS_CRAP;
1640                         }
1641                 }
1642         }
1643
1644         /** This needs to run early */
1645 #ifdef TECH_PREVIEW
1646         if (!strcasecmp(action, "rss")) {
1647                 display_rss(bstr("room"), request_method);
1648                 goto SKIP_ALL_THIS_CRAP;
1649         }
1650 #endif
1651
1652         /**
1653          * The GroupDAV stuff relies on HTTP authentication instead of
1654          * our session's authentication.
1655          */
1656         if (!strncasecmp(action, "groupdav", 8)) {
1657                 groupdav_main(req, ContentType, /* do GroupDAV methods */
1658                         ContentLength, content+body_start);
1659                 if (!WC->logged_in) {
1660                         WC->killthis = 1;       /* If not logged in, don't */
1661                 }                               /* keep the session active */
1662                 goto SKIP_ALL_THIS_CRAP;
1663         }
1664
1665
1666         /**
1667          * Automatically send requests with any method other than GET or
1668          * POST to the GroupDAV code as well.
1669          */
1670         if ((strcasecmp(request_method, "GET")) && (strcasecmp(request_method, "POST"))) {
1671                 groupdav_main(req, ContentType, /** do GroupDAV methods */
1672                         ContentLength, content+body_start);
1673                 if (!WC->logged_in) {
1674                         WC->killthis = 1;       /** If not logged in, don't */
1675                 }                               /** keep the session active */
1676                 goto SKIP_ALL_THIS_CRAP;
1677         }
1678
1679         /**
1680          * If we're not logged in, but we have username and password cookies
1681          * supplied by the browser, try using them to log in.
1682          */
1683         if ((!WC->logged_in)
1684            && (!IsEmptyStr(c_username))
1685            && (!IsEmptyStr(c_password))) {
1686                 serv_printf("USER %s", c_username);
1687                 serv_getln(buf, sizeof buf);
1688                 if (buf[0] == '3') {
1689                         serv_printf("PASS %s", c_password);
1690                         serv_getln(buf, sizeof buf);
1691                         if (buf[0] == '2') {
1692                                 become_logged_in(c_username, c_password, buf);
1693                         }
1694                 }
1695         }
1696         /**
1697          * If we don't have a current room, but a cookie specifying the
1698          * current room is supplied, make an effort to go there.
1699          */
1700         if ((IsEmptyStr(WC->wc_roomname)) && (!IsEmptyStr(c_roomname))) {
1701                 serv_printf("GOTO %s", c_roomname);
1702                 serv_getln(buf, sizeof buf);
1703                 if (buf[0] == '2') {
1704                         safestrncpy(WC->wc_roomname, c_roomname, sizeof WC->wc_roomname);
1705                 }
1706         }
1707
1708         if (!strcasecmp(action, "image")) {
1709                 output_image();
1710         } else if (!strcasecmp(action, "display_mime_icon")) {
1711                 display_mime_icon();
1712
1713         /*
1714          * All functions handled below this point ... make sure we log in
1715          * before doing anything else!
1716          */
1717         } else if ((!WC->logged_in) && (!strcasecmp(action, "login"))) {
1718                 do_login();
1719         } else if ((!WC->logged_in) && (!strcasecmp(action, "display_openid_login"))) {
1720                 display_openid_login(NULL);
1721         } else if ((!WC->logged_in) && (!strcasecmp(action, "openid_login"))) {
1722                 do_openid_login();
1723         } else if ((!WC->logged_in) && (!strcasecmp(action, "finish_openid_login"))) {
1724                 finish_openid_login();
1725         } else if (!WC->logged_in) {
1726                 display_login(NULL);
1727         }
1728
1729         /*
1730          * Various commands...
1731          */
1732
1733         else {
1734                 void *vHandler;
1735                 WebcitHandler *Handler;
1736
1737                 GetHash(HandlerHash, action, strlen(action) /* TODO*/, &vHandler),
1738                         Handler = (WebcitHandler*) vHandler;
1739                 if (Handler != NULL) {
1740                         if (Handler->IsAjax)
1741                                 begin_ajax_response();
1742                         Handler->F();
1743                         if (Handler->IsAjax)
1744                                 end_ajax_response();
1745                 }
1746
1747
1748         else if (!strcasecmp(action, "do_welcome")) {
1749                 do_welcome();
1750         } else if (!strcasecmp(action, "blank")) {
1751                 blank_page();
1752         } else if (!strcasecmp(action, "do_template")) {
1753                 url_do_template();
1754         } else if (!strcasecmp(action, "display_aide_menu")) {
1755                 display_aide_menu();
1756         } else if (!strcasecmp(action, "server_shutdown")) {
1757                 display_shutdown();
1758         } else if (!strcasecmp(action, "display_main_menu")) {
1759                 display_main_menu();
1760         } else if (!strcasecmp(action, "who")) {
1761                 who();
1762         } else if (!strcasecmp(action, "sslg")) {
1763                 seconds_since_last_gexp();
1764         } else if (!strcasecmp(action, "who_inner_html")) {
1765                 begin_ajax_response();
1766                 who_inner_div();
1767                 end_ajax_response();
1768         } else if (!strcasecmp(action, "wholist_section")) {
1769                 begin_ajax_response();
1770                 wholist_section();
1771                 end_ajax_response();
1772         } else if (!strcasecmp(action, "new_messages_html")) {
1773                 begin_ajax_response();
1774                 new_messages_section();
1775                 end_ajax_response();
1776         } else if (!strcasecmp(action, "tasks_inner_html")) {
1777                 begin_ajax_response();
1778                 tasks_section();
1779                 end_ajax_response();
1780         } else if (!strcasecmp(action, "calendar_inner_html")) {
1781                 begin_ajax_response();
1782                 calendar_section();
1783                 end_ajax_response();
1784         } else if (!strcasecmp(action, "mini_calendar")) {
1785                 begin_ajax_response();
1786                 ajax_mini_calendar();
1787                 end_ajax_response();
1788         } else if (!strcasecmp(action, "iconbar_ajax_menu")) {
1789                 begin_ajax_response();
1790                 do_iconbar();
1791                 end_ajax_response();
1792         } else if (!strcasecmp(action, "iconbar_ajax_rooms")) {
1793                 begin_ajax_response();
1794                 do_iconbar_roomlist();
1795                 end_ajax_response();
1796         } else if (!strcasecmp(action, "knrooms")) {
1797                 knrooms();
1798         } else if (!strcasecmp(action, "gotonext")) {
1799                 slrp_highest();
1800                 gotonext();
1801         } else if (!strcasecmp(action, "skip")) {
1802                 gotonext();
1803         } else if (!strcasecmp(action, "ungoto")) {
1804                 ungoto();
1805         } else if (!strcasecmp(action, "dotgoto")) {
1806                 if (WC->wc_view != VIEW_MAILBOX) {      /* dotgoto acts like dotskip when we're in a mailbox view */
1807                         slrp_highest();
1808                 }
1809                 smart_goto(bstr("room"));
1810         } else if (!strcasecmp(action, "dotskip")) {
1811                 smart_goto(bstr("room"));
1812         } else if (!strcasecmp(action, "termquit")) {
1813                 do_logout();
1814         } else if (!strcasecmp(action, "readnew")) {
1815                 readloop("readnew");
1816         } else if (!strcasecmp(action, "readold")) {
1817                 readloop("readold");
1818         } else if (!strcasecmp(action, "readfwd")) {
1819                 readloop("readfwd");
1820         } else if (!strcasecmp(action, "headers")) {
1821                 readloop("headers");
1822         } else if (!strcasecmp(action, "do_search")) {
1823                 readloop("do_search");
1824         } else if (!strcasecmp(action, "msg")) {
1825                 embed_message(index[1]);
1826         } else if (!strcasecmp(action, "printmsg")) {
1827                 print_message(index[1]);
1828         } else if (!strcasecmp(action, "msgheaders")) {
1829                 display_headers(index[1]);
1830         } else if (!strcasecmp(action, "vcardphoto")) {
1831                 display_vcard_photo_img(index[1]);
1832         } else if (!strcasecmp(action, "wiki")) {
1833                 display_wiki_page();
1834         } else if (!strcasecmp(action, "display_enter")) {
1835                 display_enter();
1836         } else if (!strcasecmp(action, "post")) {
1837                 post_message();
1838         } else if (!strcasecmp(action, "move_msg")) {
1839                 move_msg();
1840         } else if (!strcasecmp(action, "delete_msg")) {
1841                 delete_msg();
1842         } else if (!strcasecmp(action, "userlist")) {
1843                 userlist();
1844         } else if (!strcasecmp(action, "showuser")) {
1845                 showuser();
1846         } else if (!strcasecmp(action, "display_page")) {
1847                 display_page();
1848         } else if (!strcasecmp(action, "page_user")) {
1849                 page_user();
1850         } else if (!strcasecmp(action, "chat")) {
1851                 do_chat();
1852         } else if (!strcasecmp(action, "display_private")) {
1853                 display_private("", 0);
1854         } else if (!strcasecmp(action, "goto_private")) {
1855                 goto_private();
1856         } else if (!strcasecmp(action, "zapped_list")) {
1857                 zapped_list();
1858         } else if (!strcasecmp(action, "display_zap")) {
1859                 display_zap();
1860         } else if (!strcasecmp(action, "zap")) {
1861                 zap();
1862         } else if (!strcasecmp(action, "display_entroom")) {
1863                 display_entroom();
1864         } else if (!strcasecmp(action, "entroom")) {
1865                 entroom();
1866         } else if (!strcasecmp(action, "display_whok")) {
1867                 display_whok();
1868         } else if (!strcasecmp(action, "do_invt_kick")) {
1869                 do_invt_kick();
1870         } else if (!strcasecmp(action, "display_editroom")) {
1871                 display_editroom();
1872         } else if (!strcasecmp(action, "netedit")) {
1873                 netedit();
1874         } else if (!strcasecmp(action, "editroom")) {
1875                 editroom();
1876         } else if (!strcasecmp(action, "display_editinfo")) {
1877                 display_edit(_("Room info"), "EINF 0", "RINF", "editinfo", 1);
1878         } else if (!strcasecmp(action, "editinfo")) {
1879                 save_edit(_("Room info"), "EINF 1", 1);
1880         } else if (!strcasecmp(action, "display_editbio")) {
1881                 snprintf(buf, SIZ, "RBIO %s", WC->wc_fullname);
1882                 display_edit(_("Your bio"), "NOOP", buf, "editbio", 3);
1883         } else if (!strcasecmp(action, "editbio")) {
1884                 save_edit(_("Your bio"), "EBIO", 0);
1885         } else if (!strcasecmp(action, "confirm_move_msg")) {
1886                 confirm_move_msg();
1887         } else if (!strcasecmp(action, "delete_room")) {
1888                 delete_room();
1889         } else if (!strcasecmp(action, "validate")) {
1890                 validate();
1891                 /* The users photo display / upload facility */
1892         } else if (!strcasecmp(action, "display_editpic")) {
1893                 display_graphics_upload(_("your photo"),
1894                                         "_userpic_",
1895                                         "editpic");
1896         } else if (!strcasecmp(action, "editpic")) {
1897                 do_graphics_upload("_userpic_");
1898                 /* room picture dispay / upload facility */
1899         } else if (!strcasecmp(action, "display_editroompic")) {
1900                 display_graphics_upload(_("the icon for this room"),
1901                                         "_roompic_",
1902                                         "editroompic");
1903         } else if (!strcasecmp(action, "editroompic")) {
1904                 do_graphics_upload("_roompic_");
1905                 /* the greetingpage hello pic */
1906         } else if (!strcasecmp(action, "display_edithello")) {
1907                 display_graphics_upload(_("the Greetingpicture for the login prompt"),
1908                                         "hello",
1909                                         "edithellopic");
1910         } else if (!strcasecmp(action, "edithellopic")) {
1911                 do_graphics_upload("hello");
1912                 /* the logoff banner */
1913         } else if (!strcasecmp(action, "display_editgoodbyepic")) {
1914                 display_graphics_upload(_("the Logoff banner picture"),
1915                                         "UIMG 0|%s|goodbuye",
1916                                         "editgoodbuyepic");
1917         } else if (!strcasecmp(action, "editgoodbuyepic")) {
1918                 do_graphics_upload("UIMG 1|%s|goodbuye");
1919
1920         } else if (!strcasecmp(action, "delete_floor")) {
1921                 delete_floor();
1922         } else if (!strcasecmp(action, "rename_floor")) {
1923                 rename_floor();
1924         } else if (!strcasecmp(action, "create_floor")) {
1925                 create_floor();
1926         } else if (!strcasecmp(action, "display_editfloorpic")) {
1927                 snprintf(buf, SIZ, "UIMG 0|_floorpic_|%s",
1928                         bstr("which_floor"));
1929                 display_graphics_upload(_("the icon for this floor"),
1930                                         buf,
1931                                         "editfloorpic");
1932         } else if (!strcasecmp(action, "editfloorpic")) {
1933                 snprintf(buf, SIZ, "UIMG 1|_floorpic_|%s",
1934                         bstr("which_floor"));
1935                 do_graphics_upload(buf);
1936         } else if (!strcasecmp(action, "display_reg")) {
1937                 display_reg(0);
1938         } else if (!strcasecmp(action, "display_changepw")) {
1939                 display_changepw();
1940         } else if (!strcasecmp(action, "changepw")) {
1941                 changepw();
1942         } else if (!strcasecmp(action, "display_edit_node")) {
1943                 display_edit_node();
1944         } else if (!strcasecmp(action, "edit_node")) {
1945                 edit_node();
1946         } else if (!strcasecmp(action, "display_netconf")) {
1947                 display_netconf();
1948         } else if (!strcasecmp(action, "display_confirm_delete_node")) {
1949                 display_confirm_delete_node();
1950         } else if (!strcasecmp(action, "delete_node")) {
1951                 delete_node();
1952         } else if (!strcasecmp(action, "display_add_node")) {
1953                 display_add_node();
1954         } else if (!strcasecmp(action, "terminate_session")) {
1955                 slrp_highest();
1956                 terminate_session();
1957         } else if (!strcasecmp(action, "edit_me")) {
1958                 edit_me();
1959         } else if (!strcasecmp(action, "display_siteconfig")) {
1960                 display_siteconfig();
1961         } else if (!strcasecmp(action, "chat_recv")) {
1962                 chat_recv();
1963         } else if (!strcasecmp(action, "chat_send")) {
1964                 chat_send();
1965         } else if (!strcasecmp(action, "siteconfig")) {
1966                 siteconfig();
1967         } else if (!strcasecmp(action, "display_generic")) {
1968                 display_generic();
1969         } else if (!strcasecmp(action, "do_generic")) {
1970                 do_generic();
1971         } else if (!strcasecmp(action, "ajax_servcmd")) {
1972                 ajax_servcmd();
1973         } else if (!strcasecmp(action, "display_menubar")) {
1974                 display_menubar(1);
1975         } else if (!strcasecmp(action, "mimepart")) {
1976                 mimepart(index[1], index[2], 0);
1977         } else if (!strcasecmp(action, "mimepart_download")) {
1978                 mimepart(index[1], index[2], 1);
1979         } else if (!strcasecmp(action, "edit_vcard")) {
1980                 edit_vcard();
1981         } else if (!strcasecmp(action, "submit_vcard")) {
1982                 submit_vcard();
1983         } else if (!strcasecmp(action, "select_user_to_edit")) {
1984                 select_user_to_edit(NULL, NULL);
1985         } else if (!strcasecmp(action, "display_edituser")) {
1986                 display_edituser(NULL, 0);
1987         } else if (!strcasecmp(action, "edituser")) {
1988                 edituser();
1989         } else if (!strcasecmp(action, "create_user")) {
1990                 create_user();
1991         } else if (!strcasecmp(action, "changeview")) {
1992                 change_view();
1993         } else if (!strcasecmp(action, "change_start_page")) {
1994                 change_start_page();
1995         } else if (!strcasecmp(action, "display_floorconfig")) {
1996                 display_floorconfig(NULL);
1997         } else if (!strcasecmp(action, "toggle_self_service")) {
1998                 toggle_self_service();
1999         } else if (!strcasecmp(action, "display_edit_task")) {
2000                 display_edit_task();
2001         } else if (!strcasecmp(action, "save_task")) {
2002                 save_task();
2003         } else if (!strcasecmp(action, "display_edit_event")) {
2004                 display_edit_event();
2005         } else if (!strcasecmp(action, "save_event")) {
2006                 save_event();
2007         } else if (!strcasecmp(action, "respond_to_request")) {
2008                 respond_to_request();
2009         } else if (!strcasecmp(action, "handle_rsvp")) {
2010                 handle_rsvp();
2011         } else if (!strcasecmp(action, "summary")) {
2012                 summary();
2013         } else if (!strcasecmp(action, "summary_inner_div")) {
2014                 begin_ajax_response();
2015                 summary_inner_div();
2016                 end_ajax_response();
2017         } else if (!strcasecmp(action, "display_customize_iconbar")) {
2018                 display_customize_iconbar();
2019         } else if (!strcasecmp(action, "commit_iconbar")) {
2020                 commit_iconbar();
2021         } else if (!strcasecmp(action, "set_room_policy")) {
2022                 set_room_policy();
2023         } else if (!strcasecmp(action, "display_inetconf")) {
2024                 display_inetconf();
2025         } else if (!strcasecmp(action, "save_inetconf")) {
2026                 save_inetconf();
2027         } else if (!strcasecmp(action, "display_smtpqueue")) {
2028                 display_smtpqueue();
2029         } else if (!strcasecmp(action, "display_smtpqueue_inner_div")) {
2030                 display_smtpqueue_inner_div();
2031         } else if (!strcasecmp(action, "display_sieve")) {
2032                 display_sieve();
2033         } else if (!strcasecmp(action, "save_sieve")) {
2034                 save_sieve();
2035         } else if (!strcasecmp(action, "display_pushemail")) {
2036                 display_pushemail();
2037         } else if (!strcasecmp(action, "save_pushemail")) {
2038                 save_pushemail();
2039         } else if (!strcasecmp(action, "display_add_remove_scripts")) {
2040                 display_add_remove_scripts(NULL);
2041         } else if (!strcasecmp(action, "create_script")) {
2042                 create_script();
2043         } else if (!strcasecmp(action, "delete_script")) {
2044                 delete_script();
2045         } else if (!strcasecmp(action, "setup_wizard")) {
2046                 do_setup_wizard();
2047         } else if (!strcasecmp(action, "display_preferences")) {
2048                 display_preferences();
2049         } else if (!strcasecmp(action, "set_preferences")) {
2050                 set_preferences();
2051         } else if (!strcasecmp(action, "recp_autocomplete")) {
2052                 recp_autocomplete(bstr("recp"));
2053         } else if (!strcasecmp(action, "cc_autocomplete")) {
2054                 recp_autocomplete(bstr("cc"));
2055         } else if (!strcasecmp(action, "bcc_autocomplete")) {
2056                 recp_autocomplete(bstr("bcc"));
2057         } else if (!strcasecmp(action, "display_address_book_middle_div")) {
2058                 display_address_book_middle_div();
2059         } else if (!strcasecmp(action, "display_address_book_inner_div")) {
2060                 display_address_book_inner_div();
2061         } else if (!strcasecmp(action, "set_floordiv_expanded")) {
2062                 set_floordiv_expanded(index[1]);
2063         } else if (!strcasecmp(action, "diagnostics")) {
2064                 output_headers(1, 1, 1, 0, 0, 0);
2065                 wprintf("Session: %d<hr />\n", WC->wc_session);
2066                 wprintf("Command: <br /><PRE>\n");
2067                 escputs(cmd);
2068                 wprintf("</PRE><hr />\n");
2069                 wprintf("Variables: <br /><PRE>\n");
2070                 dump_vars();
2071                 wprintf("</PRE><hr />\n");
2072                 wDumpContent(1);
2073         } else if (!strcasecmp(action, "add_new_note")) {
2074                 add_new_note();
2075         } else if (!strcasecmp(action, "ajax_update_note")) {
2076                 ajax_update_note();
2077         } else if (!strcasecmp(action, "display_room_directory")) {
2078                 display_room_directory();
2079         } else if (!strcasecmp(action, "display_pictureview")) {
2080                 display_pictureview();
2081         } else if (!strcasecmp(action, "download_file")) {
2082                 download_file(index[1]);
2083         } else if (!strcasecmp(action, "upload_file")) {
2084                 upload_file();
2085         }
2086
2087         /** When all else fais, display the main menu. */
2088         else {
2089                 display_main_menu();
2090         }
2091 }
2092 SKIP_ALL_THIS_CRAP:
2093         fflush(stdout);
2094         if (content != NULL) {
2095                 free(content);
2096                 content = NULL;
2097         }
2098         free_urls();
2099         if (WC->upload_length > 0) {
2100                 free(WC->upload);
2101                 WC->upload_length = 0;
2102         }
2103 }
2104
2105 /**
2106  * \brief Replacement for sleep() that uses select() in order to avoid SIGALRM
2107  * \param seconds how many seconds should we sleep?
2108  */
2109 void sleeeeeeeeeep(int seconds)
2110 {
2111         struct timeval tv;
2112
2113         tv.tv_sec = seconds;
2114         tv.tv_usec = 0;
2115         select(0, NULL, NULL, NULL, &tv);
2116 }
2117
2118
2119 /*@}*/