webcit/webcit.c

   1 /*
   2  * webcit.c
   3  *
   4  * This is the actual program called by the webserver.  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  * $Id$
   9  */
  10
  11 #include <stdlib.h>
  12 #ifdef HAVE_UNISTD_H
  13 #include <unistd.h>
  14 #endif
  15 #include <stdio.h>
  16 #include <ctype.h>
  17 #include <string.h>
  18 #include <errno.h>
  19 #include <sys/stat.h>
  20 #include <stdarg.h>
  21 #include "webcit.h"
  22 #include "child.h"
  23
  24 int wc_session;
  25 char wc_host[256];
  26 char wc_port[256];
  27 char wc_username[256];
  28 char wc_password[256];
  29 char wc_roomname[256];
  30 int TransactionCount = 0;
  31 int connected = 0;
  32 int logged_in = 0;
  33 int axlevel;
  34 char *ExpressMessages = NULL;
  35
  36 struct webcontent *wlist = NULL;
  37 struct webcontent *wlast = NULL;
  38
  39 struct urlcontent *urlstrings = NULL;
  40
  41 static const char *defaulthost = DEFAULT_HOST;
  42 static const char *defaultport = DEFAULT_PORT;
  43
  44
  45 void unescape_input(char *buf)
  46 {
  47         int a,b;
  48         char hex[3];
  49
  50         while ((isspace(buf[strlen(buf)-1]))&&(strlen(buf)>0))
  51                 buf[strlen(buf)-1] = 0;
  52
  53         for (a=0; a<strlen(buf); ++a) {
  54                 if (buf[a]=='+') buf[a]=' ';
  55                 if (buf[a]=='%') {
  56                         hex[0]=buf[a+1];
  57                         hex[1]=buf[a+2];
  58                         hex[2]=0;
  59                         sscanf(hex,"%02x",&b);
  60                         buf[a] = (char) b;
  61                         strcpy(&buf[a+1],&buf[a+3]);
  62                         }
  63                 }
  64
  65         }
  66
  67
  68 void addurls(char *url) {
  69         char *up, *ptr;
  70         char buf[256];
  71         int a,b;
  72         struct urlcontent *u;
  73
  74         up = url;
  75         while (strlen(up)>0) {
  76
  77                 /* locate the = sign */
  78                 strncpy(buf,up,255);
  79                 b = (-1);
  80                 for (a=255; a>=0; --a) if (buf[a]=='=') b=a;
  81                 if (b<0) return;
  82                 buf[b]=0;
  83
  84                 u = (struct urlcontent *)malloc(sizeof(struct urlcontent));
  85                 u->next = urlstrings;
  86                 urlstrings = u;
  87                 strcpy(u->url_key, buf);
  88
  89                 /* now chop that part off */
  90                 for (a=0; a<=b; ++a) ++up;
  91
  92                 /* locate the & sign */
  93                 ptr = up;
  94                 b = strlen(up);
  95                 for (a=0; a<strlen(up); ++a) {
  96                         if (!strncmp(ptr,"&",1)) {
  97                                 b=a;
  98                                 break;
  99                                 }
 100                         ++ptr;
 101                         }
 102                 ptr = up;
 103                 for (a=0; a<b; ++a) ++ptr;
 104                 strcpy(ptr,"");
 105
 106                 u->url_data = malloc(strlen(up)+1);
 107                 strcpy(u->url_data, up);
 108                 u->url_data[b] = 0;
 109                 unescape_input(u->url_data);
 110                 up = ptr;
 111                 ++up;
 112                 }
 113         }
 114
 115 void free_urls(void) {
 116         struct urlcontent *u;
 117
 118         while (urlstrings != NULL) {
 119                 free(urlstrings->url_data);
 120                 u = urlstrings->next;
 121                 free(urlstrings);
 122                 urlstrings = u;
 123                 }
 124         }
 125
 126 /*
 127  * Diagnostic function to display the contents of all variables
 128  */
 129 void dump_vars(void) {
 130         struct urlcontent *u;
 131
 132         for (u = urlstrings; u != NULL; u = u->next) {
 133                 wprintf("%38s = %s\n", u->url_key, u->url_data);
 134                 }
 135         }
 136
 137 char *bstr(char *key) {
 138         struct urlcontent *u;
 139
 140         for (u = urlstrings; u != NULL; u = u->next) {
 141                 if (!strcasecmp(u->url_key, key)) return(u->url_data);
 142                 }
 143         return("");
 144         }
 145
 146
 147 void wprintf(const char *format, ...) {
 148         va_list arg_ptr;
 149         struct webcontent *wptr;
 150
 151         wptr = (struct webcontent *)malloc(sizeof(struct webcontent));
 152         wptr->next = NULL;
 153         if (wlist == NULL) {
 154                 wlist = wptr;
 155                 wlast = wptr;
 156                 }
 157         else {
 158                 wlast->next = wptr;
 159                 wlast = wptr;
 160                 }
 161
 162         va_start(arg_ptr, format);
 163         vsprintf(wptr->w_data, format, arg_ptr);
 164         va_end(arg_ptr);
 165         }
 166
 167 int wContentLength(void) {
 168         struct webcontent *wptr;
 169         int len = 0;
 170
 171         for (wptr = wlist; wptr != NULL; wptr = wptr->next) {
 172                 len = len + strlen(wptr->w_data);
 173                 }
 174
 175         return(len);
 176         }
 177
 178 void wDumpContent(void) {
 179         struct webcontent *wptr;
 180
 181         printf("Content-type: text/html\n");
 182         printf("Content-length: %d\n", wContentLength());
 183         printf("\n");
 184
 185         while (wlist != NULL) {
 186                 fwrite(wlist->w_data, strlen(wlist->w_data), 1, stdout);
 187                 wptr = wlist->next;
 188                 free(wlist);
 189                 wlist = wptr;
 190                 }
 191         wlast = NULL;
 192         }
 193
 194
 195 void escputs1(char *strbuf, int nbsp)
 196 {
 197         int a;
 198
 199         for (a=0; a<strlen(strbuf); ++a) {
 200                 if (strbuf[a]=='<') wprintf("&lt;");
 201                 else if (strbuf[a]=='>') wprintf("&gt;");
 202                 else if (strbuf[a]=='&') wprintf("&amp;");
 203                 else if (strbuf[a]==34) wprintf("&quot;");
 204                 else if (strbuf[a]==LB) wprintf("<");
 205                 else if (strbuf[a]==RB) wprintf(">");
 206                 else if (strbuf[a]==QU) wprintf("\"");
 207                 else if ((strbuf[a]==32)&&(nbsp==1)) {
 208                         wprintf("&nbsp;");
 209                         }
 210                 else {
 211                         wprintf("%c", strbuf[a]);
 212                         }
 213                 }
 214         }
 215
 216 void escputs(char *strbuf)
 217 {
 218         escputs1(strbuf,0);
 219         }
 220
 221
 222
 223 char *urlesc(char *strbuf)
 224 {
 225         int a,b,c;
 226         char *ec = " #&;`'|*?-~<>^()[]{}$\\";
 227         static char outbuf[512];
 228
 229         strcpy(outbuf,"");
 230
 231         for (a=0; a<strlen(strbuf); ++a) {
 232                 c = 0;
 233                 for (b=0; b<strlen(ec); ++b) {
 234                         if (strbuf[a]==ec[b]) c=1;
 235                         }
 236                 b = strlen(outbuf);
 237                 if (c==1) sprintf(&outbuf[b],"%%%02x",strbuf[a]);
 238                 else sprintf(&outbuf[b],"%c",strbuf[a]);
 239                 }
 240         return(outbuf);
 241         }
 242
 243 void urlescputs(char *strbuf)
 244 {
 245         wprintf("%s",urlesc(strbuf));
 246         }
 247
 248
 249 void getz(char *buf) {
 250         bzero(buf, 256);
 251         if (fgets(buf, 256, stdin) == NULL) strcpy(buf, "");
 252         else {
 253                 while ((strlen(buf)>0)&&(!isprint(buf[strlen(buf)-1])))
 254                         buf[strlen(buf)-1] = 0;
 255                 }
 256         }
 257
 258 /*
 259  * Output all that important stuff that the browser will want to see
 260  */
 261 void output_headers(int print_standard_html_head) {
 262
 263         static char *unset = "; expires=28-May-1971 18:10:00 GMT";
 264
 265         printf("Server: %s\n", SERVER);
 266         printf("Connection: close\n");
 267         printf("Set-cookie: wc_session=%d\n", wc_session);
 268
 269         if (strlen(wc_host)>0) printf("Set-cookie: wc_host=%s\n", wc_host);
 270         else printf("Set-cookie: wc_host=%s\n", unset);
 271
 272         if (strlen(wc_port)>0) printf("Set-cookie: wc_port=%s\n", wc_port);
 273         else printf("Set-cookie: wc_port=%s\n", unset);
 274
 275         if (strlen(wc_username)>0) printf("Set-cookie: wc_username=%s\n",
 276                 wc_username);
 277         else printf("Set-cookie: wc_username=%s\n", unset);
 278
 279         if (strlen(wc_password)>0) printf("Set-cookie: wc_password=%s\n",
 280                 wc_password);
 281         else printf("Set-cookie: wc_password=%s\n", unset);
 282
 283         if (strlen(wc_roomname)>0) printf("Set-cookie: wc_roomname=%s\n",
 284                 wc_roomname);
 285         else printf("Set-cookie: wc_roomname=%s\n", unset);
 286
 287         if (print_standard_html_head) {
 288                 wprintf("<HTML><HEAD><TITLE>");
 289                 escputs("WebCit");       /* FIX -- add BBS name here */
 290                 wprintf("</TITLE></HEAD>");
 291                 if (ExpressMessages != NULL) {
 292                         wprintf("<SCRIPT language=\"javascript\">\n");
 293                         wprintf("function ExpressMessage() {\n");
 294                         wprintf(" alert(\"");
 295                         escputs(ExpressMessages);
 296                         wprintf("\")\n");
 297                         wprintf(" }\n </SCRIPT>\n");
 298                         }
 299                 wprintf("<BODY ");
 300                 if (ExpressMessages != NULL) {
 301                         wprintf("onload=\"ExpressMessage()\" ");
 302                         free(ExpressMessages);
 303                         ExpressMessages = NULL;
 304                         }
 305                 wprintf("BACKGROUND=\"/image&name=background\" TEXT=\"#000000\" LINK=\"#004400\">\n");
 306                 }
 307
 308         }
 309
 310
 311
 312
 313 void check_for_express_messages() {
 314         char buf[256];
 315
 316         serv_puts("PEXP");
 317         serv_gets(buf);
 318         if (buf[0]=='1') {
 319                 while (serv_gets(buf), strcmp(buf, "000")) {
 320                         if (ExpressMessages == NULL) {
 321                                 ExpressMessages = malloc(strlen(buf) + 4);
 322                                 strcpy(ExpressMessages, "");
 323                                 }
 324                         else {
 325                                 ExpressMessages = realloc(ExpressMessages,
 326                                  (strlen(ExpressMessages) + strlen(buf) + 4) );
 327                                 }
 328                         strcat(ExpressMessages, buf);
 329                         strcat(ExpressMessages, "\\n");
 330                         }
 331                 }
 332         }
 333
 334
 335
 336
 337 void output_static(char *what) {
 338         char buf[256];
 339         FILE *fp;
 340         struct stat statbuf;
 341         off_t bytes;
 342
 343         sprintf(buf, "static/%s", what);
 344         fp = fopen(buf, "rb");
 345         if (fp == NULL) {
 346                 printf("HTTP/1.0 404 %s\n", strerror(errno));
 347                 output_headers(0);
 348                 printf("Content-Type: text/plain\n");
 349                 sprintf(buf, "%s: %s\n", what, strerror(errno));
 350                 printf("Content-length: %d\n", strlen(buf));
 351                 printf("\n");
 352                 fwrite(buf, strlen(buf), 1, stdout);
 353                 }
 354         else {
 355                 printf("HTTP/1.0 200 OK\n");
 356                 output_headers(0);
 357
 358                 if (!strncasecmp(&what[strlen(what)-4], ".gif", 4))
 359                         printf("Content-type: image/gif\n");
 360                 else if (!strncasecmp(&what[strlen(what)-4], ".jpg", 4))
 361                         printf("Content-type: image/jpeg\n");
 362                 else if (!strncasecmp(&what[strlen(what)-5], ".html", 5))
 363                         printf("Content-type: text/html\n");
 364                 else
 365                         printf("Content-type: application/octet-stream\n");
 366
 367                 fstat(fileno(fp), &statbuf);
 368                 bytes = statbuf.st_size;
 369                 printf("Content-length: %ld\n", (long)bytes);
 370                 printf("\n");
 371                 while (bytes--) {
 372                         putc(getc(fp), stdout);
 373                         }
 374                 fflush(stdout);
 375                 fclose(fp);
 376                 }
 377         }
 378
 379 void output_image() {
 380         char buf[256];
 381         char xferbuf[4096];
 382         off_t bytes;
 383         off_t thisblock;
 384         off_t accomplished = 0L;
 385
 386
 387         serv_printf("OIMG %s|%s", bstr("name"), bstr("parm"));
 388         serv_gets(buf);
 389         if (buf[0]=='2') {
 390                 bytes = extract_long(&buf[4], 0);
 391                 printf("HTTP/1.0 200 OK\n");
 392                 output_headers(0);
 393                 printf("Content-type: image/gif\n");
 394                 printf("Content-length: %ld\n", bytes);
 395                 printf("\n");
 396
 397                 while (bytes > (off_t)0) {
 398                         thisblock = (off_t)sizeof(xferbuf);
 399                         if (thisblock > bytes) thisblock = bytes;
 400                         serv_printf("READ %ld|%ld", accomplished, thisblock);
 401                         serv_gets(buf);
 402                         if (buf[0]=='6') thisblock = extract_long(&buf[4],0);
 403                         serv_read(xferbuf, (int)thisblock);
 404                         fwrite(xferbuf, thisblock, 1, stdout);
 405                         bytes = bytes - thisblock;
 406                         accomplished = accomplished + thisblock;
 407                         }
 408                 fflush(stdout);
 409                 serv_puts("CLOS");
 410                 serv_gets(buf);
 411                 }
 412         else {
 413                 printf("HTTP/1.0 404 %s\n", strerror(errno));
 414                 output_headers(0);
 415                 printf("Content-Type: text/plain\n");
 416                 sprintf(buf, "Error retrieving image\n");
 417                 printf("Content-length: %d\n", strlen(buf));
 418                 printf("\n");
 419                 fwrite(buf, strlen(buf), 1, stdout);
 420                 }
 421
 422         }
 423
 424
 425 /*
 426  * Convenience function to display a page containing only an error string
 427  */
 428 void display_error(char *errormessage) {
 429         printf("HTTP/1.0 200 OK\n");
 430         output_headers(1);
 431         wprintf("<TABLE WIDTH=100% BORDER=0 BGCOLOR=770000><TR><TD>");
 432         wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"");
 433         wprintf("<B>Error</B>\n");
 434         wprintf("</FONT></TD></TR></TABLE><BR>\n");
 435         escputs(errormessage);
 436         wprintf("</BODY></HTML>\n");
 437         wDumpContent();
 438         }
 439
 440
 441
 442
 443 void extract_action(char *actbuf, char *cmdbuf) {
 444         int i;
 445
 446         strcpy(actbuf, cmdbuf);
 447         if (!strncasecmp(actbuf, "GET /", 5)) strcpy(actbuf, &actbuf[5]);
 448         if (!strncasecmp(actbuf, "PUT /", 5)) strcpy(actbuf, &actbuf[5]);
 449         if (!strncasecmp(actbuf, "POST /", 6)) strcpy(actbuf, &actbuf[6]);
 450
 451         for (i=0; i<strlen(actbuf); ++i) {
 452                 if (actbuf[i]==' ') { actbuf[i]=0; i=0; }
 453                 if (actbuf[i]=='/') { actbuf[i]=0; i=0; }
 454                 if (actbuf[i]=='?') { actbuf[i]=0; i=0; }
 455                 if (actbuf[i]=='&') { actbuf[i]=0; i=0; }
 456                 }
 457         }
 458
 459
 460 void session_loop(void) {
 461         char cmd[256];
 462         char action[256];
 463         char buf[256];
 464         int a, b;
 465         int ContentLength = 0;
 466         char ContentType[512];
 467         char *content;
 468
 469         /* We stuff these with the values coming from the client cookies,
 470          * so we can use them to reconnect a timed out session if we have to.
 471          */
 472         char c_host[256];
 473         char c_port[256];
 474         char c_username[256];
 475         char c_password[256];
 476         char c_roomname[256];
 477
 478         strcpy(c_host, defaulthost);
 479         strcpy(c_port, defaultport);
 480         strcpy(c_username, "");
 481         strcpy(c_password, "");
 482         strcpy(c_roomname, "");
 483
 484         getz(cmd);
 485         extract_action(action, cmd);
 486
 487         do {
 488                 getz(buf);
 489
 490                 if (!strncasecmp(buf, "Cookie: wc_host=", 16))
 491                         strcpy(c_host, &buf[16]);
 492                 if (!strncasecmp(buf, "Cookie: wc_port=", 16))
 493                         strcpy(c_port, &buf[16]);
 494                 if (!strncasecmp(buf, "Cookie: wc_username=", 20))
 495                         strcpy(c_username, &buf[20]);
 496                 if (!strncasecmp(buf, "Cookie: wc_password=", 20))
 497                         strcpy(c_password, &buf[20]);
 498                 if (!strncasecmp(buf, "Cookie: wc_roomname=", 20))
 499                         strcpy(c_roomname, &buf[20]);
 500                 if (!strncasecmp(buf, "Content-length: ", 16)) {
 501                         ContentLength = atoi(&buf[16]);
 502                         }
 503                 if (!strncasecmp(buf, "Content-type: ", 14)) {
 504                         strcpy(ContentType, &buf[14]);
 505                         }
 506                 } while(strlen(buf)>0);
 507
 508         ++TransactionCount;
 509
 510         if (ContentLength > 0) {
 511                 content = malloc(ContentLength+1);
 512                 fread(content, ContentLength, 1, stdin);
 513
 514                 content[ContentLength] = 0;
 515
 516                 if (!strncasecmp(ContentType,
 517                    "application/x-www-form-urlencoded", 33)) {
 518                         addurls(content);
 519                         }
 520                 else if (!strncasecmp(ContentType, "multipart", 9)) {
 521                         mime_parser(content, ContentLength, ContentType);
 522                         }
 523                 }
 524         else {
 525                 content = NULL;
 526                 }
 527
 528         /*
 529          * If we're not connected to a Citadel server, try to hook up the
 530          * connection now.  Preference is given to the host and port specified
 531          * by browser cookies, if cookies have been supplied.
 532          */
 533         if (!connected) {
 534                 serv_sock = connectsock(c_host, c_port, "tcp");
 535                 connected = 1;
 536                 serv_gets(buf); /* get the server welcome message */
 537                 strcpy(wc_host, c_host);
 538                 strcpy(wc_port, c_port);
 539                 get_serv_info();
 540                 }
 541
 542         check_for_express_messages();
 543
 544         /*
 545          * If we're not logged in, but we have username and password cookies
 546          * supplied by the browser, try using them to log in.
 547          */
 548         if ((!logged_in)&&(strlen(c_username)>0)&&(strlen(c_password)>0)) {
 549                 serv_printf("USER %s", c_username);
 550                 serv_gets(buf);
 551                 if (buf[0]=='3') {
 552                         serv_printf("PASS %s", c_password);
 553                         serv_gets(buf);
 554                         if (buf[0]=='2') {
 555                                 become_logged_in(c_username, c_password, buf);
 556                                 }
 557                         }
 558                 }
 559
 560         /*
 561          * If we don't have a current room, but a cookie specifying the
 562          * current room is supplied, make an effort to go there.
 563          */
 564         if ((strlen(wc_roomname)==0) && (strlen(c_roomname)>0) ) {
 565                 serv_printf("GOTO %s", c_roomname);
 566                 serv_gets(buf);
 567                 if (buf[0]=='2') {
 568                         strcpy(wc_roomname, c_roomname);
 569                         }
 570                 }
 571
 572         /* If there are variables in the URL, we must grab them now */
 573         for (a=0; a<strlen(cmd); ++a) if ((cmd[a]=='?')||(cmd[a]=='&')) {
 574                 for (b=a; b<strlen(cmd); ++b) if (isspace(cmd[b])) cmd[b]=0;
 575                 addurls(&cmd[a+1]);
 576                 cmd[a] = 0;
 577                 }
 578
 579         if (!strcasecmp(action, "static")) {
 580                 strcpy(buf, &cmd[12]);
 581                 for (a=0; a<strlen(buf); ++a) if (isspace(buf[a])) buf[a]=0;
 582                 output_static(buf);
 583                 }
 584
 585         else if (!strcasecmp(action, "image")) {
 586                 output_image();
 587                 }
 588
 589         else if ((!logged_in)&&(!strcasecmp(action, "login"))) {
 590                 do_login();
 591                 }
 592
 593         else if (!logged_in) {
 594                 display_login(NULL);
 595                 }
 596
 597         /* Various commands... */
 598
 599         else if (!strcasecmp(action, "do_welcome")) {
 600                 do_welcome();
 601                 }
 602
 603         else if (!strcasecmp(action, "display_main_menu")) {
 604                 display_main_menu();
 605                 }
 606
 607         else if (!strcasecmp(action, "advanced")) {
 608                 display_advanced_menu();
 609                 }
 610
 611         else if (!strcasecmp(action, "whobbs")) {
 612                 whobbs();
 613                 }
 614
 615         else if (!strcasecmp(action, "knrooms")) {
 616                 list_all_rooms_by_floor();
 617                 }
 618
 619         else if (!strcasecmp(action, "gotonext")) {
 620                 slrp_highest();
 621                 gotonext();
 622                 }
 623
 624         else if (!strcasecmp(action, "skip")) {
 625                 gotonext();
 626                 }
 627
 628         else if (!strcasecmp(action, "ungoto")) {
 629                 ungoto();
 630                 }
 631
 632         else if (!strcasecmp(action, "dotgoto")) {
 633                 slrp_highest();
 634                 gotoroom(bstr("room"), 1);
 635                 }
 636
 637         else if (!strcasecmp(action, "termquit")) {
 638                 do_logout();
 639                 }
 640
 641         else if (!strcasecmp(action, "readnew")) {
 642                 readloop("readnew");
 643                 }
 644
 645         else if (!strcasecmp(action, "readold")) {
 646                 readloop("readold");
 647                 }
 648
 649         else if (!strcasecmp(action, "readfwd")) {
 650                 readloop("readfwd");
 651                 }
 652
 653         else if (!strcasecmp(action, "display_enter")) {
 654                 display_enter();
 655                 }
 656
 657         else if (!strcasecmp(action, "post")) {
 658                 post_message();
 659                 }
 660
 661         else if (!strcasecmp(action, "confirm_delete_msg")) {
 662                 confirm_delete_msg();
 663                 }
 664
 665         else if (!strcasecmp(action, "delete_msg")) {
 666                 delete_msg();
 667                 }
 668
 669         else if (!strcasecmp(action, "confirm_move_msg")) {
 670                 confirm_move_msg();
 671                 }
 672
 673         else if (!strcasecmp(action, "move_msg")) {
 674                 move_msg();
 675                 }
 676
 677         else if (!strcasecmp(action, "userlist")) {
 678                 userlist();
 679                 }
 680
 681         else if (!strcasecmp(action, "showuser")) {
 682                 showuser();
 683                 }
 684
 685         else if (!strcasecmp(action, "display_page")) {
 686                 display_page();
 687                 }
 688
 689         else if (!strcasecmp(action, "page_user")) {
 690                 page_user();
 691                 }
 692
 693         else if (!strcasecmp(action, "chat")) {
 694                 do_chat();
 695                 }
 696
 697         else if (!strcasecmp(action, "display_private")) {
 698                 display_private("", 0);
 699                 }
 700
 701         else if (!strcasecmp(action, "goto_private")) {
 702                 goto_private();
 703                 }
 704
 705         else if (!strcasecmp(action, "zapped_list")) {
 706                 zapped_list();
 707                 }
 708
 709         else if (!strcasecmp(action, "display_zap")) {
 710                 display_zap();
 711                 }
 712
 713         else if (!strcasecmp(action, "zap")) {
 714                 zap();
 715                 }
 716
 717         else if (!strcasecmp(action, "display_entroom")) {
 718                 display_entroom();
 719                 }
 720
 721         else if (!strcasecmp(action, "entroom")) {
 722                 entroom();
 723                 }
 724
 725         else if (!strcasecmp(action, "display_editroom")) {
 726                 display_editroom();
 727                 }
 728
 729         else if (!strcasecmp(action, "editroom")) {
 730                 editroom();
 731                 }
 732
 733         else if (!strcasecmp(action, "display_editinfo")) {
 734                 display_edit("Room info", "EINF 0", "RINF", "/editinfo");
 735                 }
 736
 737         else if (!strcasecmp(action, "editinfo")) {
 738                 save_edit("Room info", "EINF 1", 1);
 739                 }
 740
 741         else if (!strcasecmp(action, "display_editbio")) {
 742                 sprintf(buf, "RBIO %s", wc_username);
 743                 display_edit("Your bio", "NOOP", buf, "editbio");
 744                 }
 745
 746         else if (!strcasecmp(action, "editbio")) {
 747                 save_edit("Your bio", "EBIO", 0);
 748                 }
 749
 750         else if (!strcasecmp(action, "confirm_delete_room")) {
 751                 confirm_delete_room();
 752                 }
 753
 754         else if (!strcasecmp(action, "delete_room")) {
 755                 delete_room();
 756                 }
 757
 758         else if (!strcasecmp(action, "validate")) {
 759                 validate();
 760                 }
 761
 762         /* When all else fails... */
 763         else {
 764                 printf("HTTP/1.0 200 OK\n");
 765                 output_headers(1);
 766
 767                 wprintf("TransactionCount is %d<BR>\n", TransactionCount);
 768                 wprintf("You're in session %d<HR>\n", wc_session);
 769                 wprintf("Command: <BR><PRE>\n");
 770                 escputs(cmd);
 771                 wprintf("</PRE><HR>\n");
 772                 wprintf("Variables: <BR><PRE>\n");
 773                 dump_vars();
 774                 wprintf("</PRE><HR>\n");
 775                 wprintf("</BODY></HTML>\n");
 776                 wDumpContent();
 777                 }
 778
 779         fflush(stdout);
 780         if (content != NULL) {
 781                 free(content);
 782                 content = NULL;
 783                 }
 784         free_urls();
 785         }
 786
 787 int main(int argc, char *argv[]) {
 788
 789         if (argc < 2 || argc > 4) {
 790                 fprintf(stderr,
 791                         "webcit: usage: webcit <session_id> [host [port]]\n");
 792                 return 1;
 793                 }
 794
 795         wc_session = atoi(argv[1]);
 796
 797         if (argc > 2) {
 798                 defaulthost = argv[2];
 799                 if (argc > 3)
 800                         defaultport = argv[3];
 801                 }
 802
 803         strcpy(wc_host, "");
 804         strcpy(wc_port, "");
 805         strcpy(wc_username, "");
 806         strcpy(wc_password, "");
 807         strcpy(wc_roomname, "");
 808
 809         while (1) {
 810                 session_loop();
 811                 }
 812         }