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 #include "mime_parser.h"
  24
  25 int wc_session;
  26 char wc_username[256];
  27 char wc_password[256];
  28 char wc_roomname[256];
  29 int TransactionCount = 0;
  30 int connected = 0;
  31 int logged_in = 0;
  32 int axlevel;
  33 char *ExpressMessages = NULL;
  34 int noframes = 0;
  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 int upload_length = 0;
  45 char *upload;
  46
  47
  48 void unescape_input(char *buf)
  49 {
  50         int a, b;
  51         char hex[3];
  52
  53         while ((isspace(buf[strlen(buf) - 1])) && (strlen(buf) > 0))
  54                 buf[strlen(buf) - 1] = 0;
  55
  56         for (a = 0; a < strlen(buf); ++a) {
  57                 if (buf[a] == '+')
  58                         buf[a] = ' ';
  59                 if (buf[a] == '%') {
  60                         hex[0] = buf[a + 1];
  61                         hex[1] = buf[a + 2];
  62                         hex[2] = 0;
  63                         sscanf(hex, "%02x", &b);
  64                         buf[a] = (char) b;
  65                         strcpy(&buf[a + 1], &buf[a + 3]);
  66                 }
  67         }
  68
  69 }
  70
  71
  72 void addurls(char *url)
  73 {
  74         char *up, *ptr;
  75         char buf[256];
  76         int a, b;
  77         struct urlcontent *u;
  78
  79         up = url;
  80         while (strlen(up) > 0) {
  81
  82                 /* locate the = sign */
  83                 strncpy(buf, up, 255);
  84                 b = (-1);
  85                 for (a = 255; a >= 0; --a)
  86                         if (buf[a] == '=')
  87                                 b = a;
  88                 if (b < 0)
  89                         return;
  90                 buf[b] = 0;
  91
  92                 u = (struct urlcontent *) malloc(sizeof(struct urlcontent));
  93                 u->next = urlstrings;
  94                 urlstrings = u;
  95                 strcpy(u->url_key, buf);
  96
  97                 /* now chop that part off */
  98                 for (a = 0; a <= b; ++a)
  99                         ++up;
 100
 101                 /* locate the & sign */
 102                 ptr = up;
 103                 b = strlen(up);
 104                 for (a = 0; a < strlen(up); ++a) {
 105                         if (!strncmp(ptr, "&", 1)) {
 106                                 b = a;
 107                                 break;
 108                         }
 109                         ++ptr;
 110                 }
 111                 ptr = up;
 112                 for (a = 0; a < b; ++a)
 113                         ++ptr;
 114                 strcpy(ptr, "");
 115
 116                 u->url_data = malloc(strlen(up) + 1);
 117                 strcpy(u->url_data, up);
 118                 u->url_data[b] = 0;
 119                 unescape_input(u->url_data);
 120                 up = ptr;
 121                 ++up;
 122         }
 123 }
 124
 125 void free_urls(void)
 126 {
 127         struct urlcontent *u;
 128
 129         while (urlstrings != NULL) {
 130                 free(urlstrings->url_data);
 131                 u = urlstrings->next;
 132                 free(urlstrings);
 133                 urlstrings = u;
 134         }
 135 }
 136
 137 /*
 138  * Diagnostic function to display the contents of all variables
 139  */
 140 void dump_vars(void)
 141 {
 142         struct urlcontent *u;
 143
 144         for (u = urlstrings; u != NULL; u = u->next) {
 145                 wprintf("%38s = %s\n", u->url_key, u->url_data);
 146         }
 147 }
 148
 149 char *bstr(char *key)
 150 {
 151         struct urlcontent *u;
 152
 153         for (u = urlstrings; u != NULL; u = u->next) {
 154                 if (!strcasecmp(u->url_key, key))
 155                         return (u->url_data);
 156         }
 157         return ("");
 158 }
 159
 160
 161 void wprintf(const char *format,...)
 162 {
 163         va_list arg_ptr;
 164         struct webcontent *wptr;
 165
 166         wptr = (struct webcontent *) malloc(sizeof(struct webcontent));
 167         wptr->next = NULL;
 168         if (wlist == NULL) {
 169                 wlist = wptr;
 170                 wlast = wptr;
 171         } else {
 172                 wlast->next = wptr;
 173                 wlast = wptr;
 174         }
 175
 176         va_start(arg_ptr, format);
 177         vsprintf(wptr->w_data, format, arg_ptr);
 178         va_end(arg_ptr);
 179 }
 180
 181 int wContentLength(void)
 182 {
 183         struct webcontent *wptr;
 184         int len = 0;
 185
 186         for (wptr = wlist; wptr != NULL; wptr = wptr->next) {
 187                 len = len + strlen(wptr->w_data);
 188         }
 189
 190         return (len);
 191 }
 192
 193 /*
 194  * wDumpContent() takes all the stuff that's been queued up using
 195  * the wprintf() and escputs() functions, and sends it out to the browser.
 196  * By queuing instead of transmitting as it's generated, we're able to
 197  * calculate a Content-length: header.
 198  *
 199  * print_standard_html_footer should be set to 0 to transmit only, 1 to
 200  * append the main menu (if in noframes mode) and closing tags, or 2 to
 201  * append the closing tags only.
 202  */
 203 void wDumpContent(int print_standard_html_footer)
 204 {
 205         struct webcontent *wptr;
 206
 207         if (print_standard_html_footer) {
 208                 if ((noframes) && (print_standard_html_footer != 2)) {
 209                         wprintf("<BR>");
 210                         embed_main_menu();
 211                 }
 212                 wprintf("</BODY></HTML>\n");
 213         }
 214         printf("Content-type: text/html\n");
 215         printf("Content-length: %d\n", wContentLength());
 216         printf("\n");
 217
 218         while (wlist != NULL) {
 219                 fwrite(wlist->w_data, strlen(wlist->w_data), 1, stdout);
 220                 wptr = wlist->next;
 221                 free(wlist);
 222                 wlist = wptr;
 223         }
 224         wlast = NULL;
 225 }
 226
 227
 228 void escputs1(char *strbuf, int nbsp)
 229 {
 230         int a;
 231
 232         for (a = 0; a < strlen(strbuf); ++a) {
 233                 if (strbuf[a] == '<')
 234                         wprintf("&lt;");
 235                 else if (strbuf[a] == '>')
 236                         wprintf("&gt;");
 237                 else if (strbuf[a] == '&')
 238                         wprintf("&amp;");
 239                 else if (strbuf[a] == 34)
 240                         wprintf("&quot;");
 241                 else if (strbuf[a] == LB)
 242                         wprintf("<");
 243                 else if (strbuf[a] == RB)
 244                         wprintf(">");
 245                 else if (strbuf[a] == QU)
 246                         wprintf("\"");
 247                 else if ((strbuf[a] == 32) && (nbsp == 1)) {
 248                         wprintf("&nbsp;");
 249                 } else {
 250                         wprintf("%c", strbuf[a]);
 251                 }
 252         }
 253 }
 254
 255 void escputs(char *strbuf)
 256 {
 257         escputs1(strbuf, 0);
 258 }
 259
 260
 261
 262 char *urlesc(char *strbuf)
 263 {
 264         int a, b, c;
 265         char *ec = " #&;`'|*?-~<>^()[]{}$\\";
 266         static char outbuf[512];
 267
 268         strcpy(outbuf, "");
 269
 270         for (a = 0; a < strlen(strbuf); ++a) {
 271                 c = 0;
 272                 for (b = 0; b < strlen(ec); ++b) {
 273                         if (strbuf[a] == ec[b])
 274                                 c = 1;
 275                 }
 276                 b = strlen(outbuf);
 277                 if (c == 1)
 278                         sprintf(&outbuf[b], "%%%02x", strbuf[a]);
 279                 else
 280                         sprintf(&outbuf[b], "%c", strbuf[a]);
 281         }
 282         return (outbuf);
 283 }
 284
 285 void urlescputs(char *strbuf)
 286 {
 287         wprintf("%s", urlesc(strbuf));
 288 }
 289
 290
 291
 292
 293 /*
 294  * Get a line of text from the webserver (which originally came from the
 295  * user's browser), checking for sanity etc.
 296  */
 297 char *getz(char *buf)
 298 {
 299         int e = 0;
 300
 301         bzero(buf, 256);
 302
 303         /* If fgets() fails, it's because the webserver crashed, so kill off
 304          * the session too.
 305          */
 306         if (fgets(buf, 256, stdin) == NULL) {
 307                 e = errno;
 308                 fprintf(stderr, "webcit: exit code %d (%s)\n",
 309                         e, strerror(e));
 310                 fflush(stderr);
 311                 exit(e);
 312
 313         /* Otherwise, strip out nonprintables and resume our happy day.
 314          */
 315         } else {
 316                 while ((strlen(buf) > 0) && (!isprint(buf[strlen(buf) - 1])))
 317                         buf[strlen(buf) - 1] = 0;
 318                 return buf;
 319         }
 320 }
 321
 322
 323
 324 /*
 325  * Output all that important stuff that the browser will want to see
 326  *
 327  * If print_standard_html_head is nonzero, we also get some standard HTML
 328  * headers.  If it's set to 2, the session is considered to be closing.
 329  */
 330 void output_headers(int print_standard_html_head)
 331 {
 332
 333         static char *unset = "; expires=28-May-1971 18:10:00 GMT";
 334         char cookie[256];
 335
 336         printf("Server: %s\n", SERVER);
 337         printf("Connection: close\n");
 338
 339         if (print_standard_html_head > 0) {
 340                 printf("Pragma: no-cache\n");
 341                 printf("Cache-Control: no-store\n");
 342         }
 343         stuff_to_cookie(cookie, wc_session, wc_username, wc_password,
 344                         wc_roomname, noframes);
 345         if (print_standard_html_head == 2) {
 346                 printf("X-WebCit-Session: close\n");
 347                 printf("Set-cookie: webcit=%s\n", unset);
 348         } else {
 349                 printf("Set-cookie: webcit=%s\n", cookie);
 350         }
 351
 352         if (print_standard_html_head > 0) {
 353                 wprintf("<HTML><HEAD><TITLE>");
 354                 escputs(serv_info.serv_humannode);
 355                 wprintf("</TITLE></HEAD>");
 356                 if (ExpressMessages != NULL) {
 357                         wprintf("<SCRIPT language=\"javascript\">\n");
 358                         wprintf("function ExpressMessage() {\n");
 359                         wprintf(" alert(\"");
 360                         escputs(ExpressMessages);
 361                         wprintf("\")\n");
 362                         wprintf(" }\n </SCRIPT>\n");
 363                 }
 364                 wprintf("<BODY ");
 365                 if (ExpressMessages != NULL) {
 366                         wprintf("onload=\"ExpressMessage()\" ");
 367                         free(ExpressMessages);
 368                         ExpressMessages = NULL;
 369                 }
 370                 wprintf("BACKGROUND=\"/image&name=background\" TEXT=\"#000000\" LINK=\"#004400\">\n");
 371         }
 372 }
 373
 374
 375
 376
 377 void check_for_express_messages()
 378 {
 379         char buf[256];
 380
 381         serv_puts("PEXP");
 382         serv_gets(buf);
 383         if (buf[0] == '1') {
 384                 while (serv_gets(buf), strcmp(buf, "000")) {
 385                         if (ExpressMessages == NULL) {
 386                                 ExpressMessages = malloc(strlen(buf) + 4);
 387                                 strcpy(ExpressMessages, "");
 388                         } else {
 389                                 ExpressMessages = realloc(ExpressMessages,
 390                                                           (strlen(ExpressMessages) + strlen(buf) + 4));
 391                         }
 392                         strcat(ExpressMessages, buf);
 393                         strcat(ExpressMessages, "\\n");
 394                 }
 395         }
 396 }
 397
 398
 399
 400
 401 void output_static(char *what)
 402 {
 403         char buf[256];
 404         FILE *fp;
 405         struct stat statbuf;
 406         off_t bytes;
 407
 408         sprintf(buf, "static/%s", what);
 409         fp = fopen(buf, "rb");
 410         if (fp == NULL) {
 411                 printf("HTTP/1.0 404 %s\n", strerror(errno));
 412                 output_headers(0);
 413                 printf("Content-Type: text/plain\n");
 414                 sprintf(buf, "%s: %s\n", what, strerror(errno));
 415                 printf("Content-length: %d\n", strlen(buf));
 416                 printf("\n");
 417                 fwrite(buf, strlen(buf), 1, stdout);
 418         } else {
 419                 printf("HTTP/1.0 200 OK\n");
 420                 output_headers(0);
 421
 422                 if (!strncasecmp(&what[strlen(what) - 4], ".gif", 4))
 423                         printf("Content-type: image/gif\n");
 424                 else if (!strncasecmp(&what[strlen(what) - 4], ".jpg", 4))
 425                         printf("Content-type: image/jpeg\n");
 426                 else if (!strncasecmp(&what[strlen(what) - 5], ".html", 5))
 427                         printf("Content-type: text/html\n");
 428                 else
 429                         printf("Content-type: application/octet-stream\n");
 430
 431                 fstat(fileno(fp), &statbuf);
 432                 bytes = statbuf.st_size;
 433                 printf("Content-length: %ld\n", (long) bytes);
 434                 printf("\n");
 435                 while (bytes--) {
 436                         putc(getc(fp), stdout);
 437                 }
 438                 fflush(stdout);
 439                 fclose(fp);
 440         }
 441 }
 442
 443 void output_image()
 444 {
 445         char buf[256];
 446         char xferbuf[4096];
 447         off_t bytes;
 448         off_t thisblock;
 449         off_t accomplished = 0L;
 450
 451
 452         serv_printf("OIMG %s|%s", bstr("name"), bstr("parm"));
 453         serv_gets(buf);
 454         if (buf[0] == '2') {
 455                 bytes = extract_long(&buf[4], 0);
 456                 printf("HTTP/1.0 200 OK\n");
 457                 output_headers(0);
 458                 printf("Content-type: image/gif\n");
 459                 printf("Content-length: %ld\n", (long) bytes);
 460                 printf("\n");
 461
 462                 while (bytes > (off_t) 0) {
 463                         thisblock = (off_t) sizeof(xferbuf);
 464                         if (thisblock > bytes)
 465                                 thisblock = bytes;
 466                         serv_printf("READ %ld|%ld", accomplished, thisblock);
 467                         serv_gets(buf);
 468                         if (buf[0] == '6')
 469                                 thisblock = extract_long(&buf[4], 0);
 470                         serv_read(xferbuf, (int) thisblock);
 471                         fwrite(xferbuf, thisblock, 1, stdout);
 472                         bytes = bytes - thisblock;
 473                         accomplished = accomplished + thisblock;
 474                 }
 475                 fflush(stdout);
 476                 serv_puts("CLOS");
 477                 serv_gets(buf);
 478         } else {
 479                 printf("HTTP/1.0 404 %s\n", strerror(errno));
 480                 output_headers(0);
 481                 printf("Content-Type: text/plain\n");
 482                 sprintf(buf, "Error retrieving image\n");
 483                 printf("Content-length: %d\n", strlen(buf));
 484                 printf("\n");
 485                 fwrite(buf, strlen(buf), 1, stdout);
 486         }
 487
 488 }
 489
 490
 491 /*
 492  * Convenience functions to display a page containing only a string
 493  */
 494 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext)
 495 {
 496         printf("HTTP/1.0 200 OK\n");
 497         output_headers(1);
 498         wprintf("<TABLE WIDTH=100% BORDER=0 BGCOLOR=%s><TR><TD>", titlebarcolor);
 499         wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"");
 500         wprintf("<B>%s</B>\n", titlebarmsg);
 501         wprintf("</FONT></TD></TR></TABLE><BR>\n");
 502         escputs(messagetext);
 503
 504         if (noframes) {
 505                 wprintf("<HR>\n");
 506                 embed_main_menu();
 507         }
 508         wDumpContent(1);
 509 }
 510
 511 void display_error(char *errormessage)
 512 {
 513         convenience_page("770000", "Error", errormessage);
 514 }
 515
 516 void display_success(char *successmessage)
 517 {
 518         convenience_page("007700", "OK", successmessage);
 519 }
 520
 521
 522
 523 void extract_action(char *actbuf, char *cmdbuf)
 524 {
 525         int i;
 526
 527         strcpy(actbuf, cmdbuf);
 528         if (!strncasecmp(actbuf, "GET /", 5))
 529                 strcpy(actbuf, &actbuf[5]);
 530         if (!strncasecmp(actbuf, "PUT /", 5))
 531                 strcpy(actbuf, &actbuf[5]);
 532         if (!strncasecmp(actbuf, "POST /", 6))
 533                 strcpy(actbuf, &actbuf[6]);
 534
 535         for (i = 0; i < strlen(actbuf); ++i) {
 536                 if (actbuf[i] == ' ') {
 537                         actbuf[i] = 0;
 538                         i = 0;
 539                 }
 540                 if (actbuf[i] == '/') {
 541                         actbuf[i] = 0;
 542                         i = 0;
 543                 }
 544                 if (actbuf[i] == '?') {
 545                         actbuf[i] = 0;
 546                         i = 0;
 547                 }
 548                 if (actbuf[i] == '&') {
 549                         actbuf[i] = 0;
 550                         i = 0;
 551                 }
 552         }
 553 }
 554
 555
 556 void upload_handler(char *name, char *filename, char *encoding,
 557                     void *content, char *cbtype, size_t length)
 558 {
 559
 560         fprintf(stderr, "UPLOAD HANDLER CALLED\n");
 561         fprintf(stderr, "    name = %s\n", name);
 562         fprintf(stderr, "filename = %s\n", filename);
 563         fprintf(stderr, "encoding = %s\n", encoding);
 564         fprintf(stderr, "    type = %s\n", cbtype);
 565         fprintf(stderr, "  length = %d\n", length);
 566
 567         if (strlen(name) > 0) {
 568                 upload = malloc(length);
 569                 if (upload != NULL) {
 570                         upload_length = length;
 571                         memcpy(upload, content, length);
 572                 }
 573         }
 574 }
 575
 576
 577 void session_loop(char *browser_host)
 578 {
 579         char cmd[256];
 580         char action[256];
 581         char buf[256];
 582         int a, b;
 583         int ContentLength = 0;
 584         char ContentType[512];
 585         char *content;
 586
 587         /* We stuff these with the values coming from the client cookies,
 588          * so we can use them to reconnect a timed out session if we have to.
 589          */
 590         char c_host[256];
 591         char c_port[256];
 592         char c_username[256];
 593         char c_password[256];
 594         char c_roomname[256];
 595         char cookie[256];
 596
 597         strcpy(c_host, defaulthost);
 598         strcpy(c_port, defaultport);
 599         strcpy(c_username, "");
 600         strcpy(c_password, "");
 601         strcpy(c_roomname, "");
 602
 603         upload_length = 0;
 604         upload = NULL;
 605
 606         if (getz(cmd) == NULL)
 607                 return;
 608         extract_action(action, cmd);
 609
 610         do {
 611                 if (getz(buf) == NULL)
 612                         return;
 613
 614                 if (!strncasecmp(buf, "Cookie: webcit=", 15)) {
 615                         strcpy(cookie, &buf[15]);
 616                         cookie_to_stuff(cookie, NULL,
 617                                       c_username, c_password, c_roomname,
 618                                         &noframes);
 619                 }
 620                 if (!strncasecmp(buf, "Content-length: ", 16)) {
 621                         ContentLength = atoi(&buf[16]);
 622                 }
 623                 if (!strncasecmp(buf, "Content-type: ", 14)) {
 624                         strcpy(ContentType, &buf[14]);
 625                 }
 626         } while (strlen(buf) > 0);
 627
 628         ++TransactionCount;
 629
 630         if (ContentLength > 0) {
 631                 content = malloc(ContentLength + 1);
 632                 fread(content, ContentLength, 1, stdin);
 633
 634                 content[ContentLength] = 0;
 635
 636                 if (!strncasecmp(ContentType,
 637                               "application/x-www-form-urlencoded", 33)) {
 638                         addurls(content);
 639                 } else if (!strncasecmp(ContentType, "multipart", 9)) {
 640                         mime_parser(content, ContentLength, ContentType,
 641                                     *upload_handler);
 642                 }
 643         } else {
 644                 content = NULL;
 645         }
 646
 647         /* If there are variables in the URL, we must grab them now */
 648         for (a = 0; a < strlen(cmd); ++a)
 649                 if ((cmd[a] == '?') || (cmd[a] == '&')) {
 650                         for (b = a; b < strlen(cmd); ++b)
 651                                 if (isspace(cmd[b]))
 652                                         cmd[b] = 0;
 653                         addurls(&cmd[a + 1]);
 654                         cmd[a] = 0;
 655                 }
 656         /*
 657          * If we're not connected to a Citadel server, try to hook up the
 658          * connection now.  Preference is given to the host and port specified
 659          * by browser cookies, if cookies have been supplied.
 660          */
 661         if (!connected) {
 662                 if (strlen(bstr("host")) > 0)
 663                         strcpy(c_host, bstr("host"));
 664                 if (strlen(bstr("port")) > 0)
 665                         strcpy(c_port, bstr("port"));
 666                 serv_sock = connectsock(c_host, c_port, "tcp");
 667                 connected = 1;
 668                 serv_gets(buf); /* get the server welcome message */
 669                 get_serv_info(browser_host);
 670         }
 671         check_for_express_messages();
 672
 673         /*
 674          * If we're not logged in, but we have username and password cookies
 675          * supplied by the browser, try using them to log in.
 676          */
 677         if ((!logged_in) && (strlen(c_username) > 0) && (strlen(c_password) > 0)) {
 678                 serv_printf("USER %s", c_username);
 679                 serv_gets(buf);
 680                 if (buf[0] == '3') {
 681                         serv_printf("PASS %s", c_password);
 682                         serv_gets(buf);
 683                         if (buf[0] == '2') {
 684                                 become_logged_in(c_username, c_password, buf);
 685                         }
 686                 }
 687         }
 688         /*
 689          * If we don't have a current room, but a cookie specifying the
 690          * current room is supplied, make an effort to go there.
 691          */
 692         if ((strlen(wc_roomname) == 0) && (strlen(c_roomname) > 0)) {
 693                 serv_printf("GOTO %s", c_roomname);
 694                 serv_gets(buf);
 695                 if (buf[0] == '2') {
 696                         strcpy(wc_roomname, c_roomname);
 697                 }
 698         }
 699         if (!strcasecmp(action, "static")) {
 700                 strcpy(buf, &cmd[12]);
 701                 for (a = 0; a < strlen(buf); ++a)
 702                         if (isspace(buf[a]))
 703                                 buf[a] = 0;
 704                 output_static(buf);
 705         } else if (!strcasecmp(action, "image")) {
 706                 output_image();
 707         } else if ((!logged_in) && (!strcasecmp(action, "login"))) {
 708                 do_login();
 709         } else if (!logged_in) {
 710                 display_login(NULL);
 711         }
 712         /* Various commands... */
 713
 714         else if (!strcasecmp(action, "do_welcome")) {
 715                 do_welcome();
 716         } else if (!strcasecmp(action, "display_main_menu")) {
 717                 display_main_menu();
 718         } else if (!strcasecmp(action, "advanced")) {
 719                 display_advanced_menu();
 720         } else if (!strcasecmp(action, "whobbs")) {
 721                 whobbs();
 722         } else if (!strcasecmp(action, "knrooms")) {
 723                 list_all_rooms_by_floor();
 724         } else if (!strcasecmp(action, "gotonext")) {
 725                 slrp_highest();
 726                 gotonext();
 727         } else if (!strcasecmp(action, "skip")) {
 728                 gotonext();
 729         } else if (!strcasecmp(action, "ungoto")) {
 730                 ungoto();
 731         } else if (!strcasecmp(action, "dotgoto")) {
 732                 slrp_highest();
 733                 gotoroom(bstr("room"), 1);
 734         } else if (!strcasecmp(action, "termquit")) {
 735                 do_logout();
 736         } else if (!strcasecmp(action, "readnew")) {
 737                 readloop("readnew");
 738         } else if (!strcasecmp(action, "readold")) {
 739                 readloop("readold");
 740         } else if (!strcasecmp(action, "readfwd")) {
 741                 readloop("readfwd");
 742         } else if (!strcasecmp(action, "display_enter")) {
 743                 display_enter();
 744         } else if (!strcasecmp(action, "post")) {
 745                 post_message();
 746         } else if (!strcasecmp(action, "confirm_delete_msg")) {
 747                 confirm_delete_msg();
 748         } else if (!strcasecmp(action, "delete_msg")) {
 749                 delete_msg();
 750         } else if (!strcasecmp(action, "confirm_move_msg")) {
 751                 confirm_move_msg();
 752         } else if (!strcasecmp(action, "move_msg")) {
 753                 move_msg();
 754         } else if (!strcasecmp(action, "userlist")) {
 755                 userlist();
 756         } else if (!strcasecmp(action, "showuser")) {
 757                 showuser();
 758         } else if (!strcasecmp(action, "display_page")) {
 759                 display_page();
 760         } else if (!strcasecmp(action, "page_user")) {
 761                 page_user();
 762         } else if (!strcasecmp(action, "chat")) {
 763                 do_chat();
 764         } else if (!strcasecmp(action, "display_private")) {
 765                 display_private("", 0);
 766         } else if (!strcasecmp(action, "goto_private")) {
 767                 goto_private();
 768         } else if (!strcasecmp(action, "zapped_list")) {
 769                 zapped_list();
 770         } else if (!strcasecmp(action, "display_zap")) {
 771                 display_zap();
 772         } else if (!strcasecmp(action, "zap")) {
 773                 zap();
 774         } else if (!strcasecmp(action, "display_entroom")) {
 775                 display_entroom();
 776         } else if (!strcasecmp(action, "entroom")) {
 777                 entroom();
 778         } else if (!strcasecmp(action, "display_editroom")) {
 779                 display_editroom();
 780         } else if (!strcasecmp(action, "editroom")) {
 781                 editroom();
 782         } else if (!strcasecmp(action, "display_editinfo")) {
 783                 display_edit("Room info", "EINF 0", "RINF", "/editinfo");
 784         } else if (!strcasecmp(action, "editinfo")) {
 785                 save_edit("Room info", "EINF 1", 1);
 786         } else if (!strcasecmp(action, "display_editbio")) {
 787                 sprintf(buf, "RBIO %s", wc_username);
 788                 display_edit("Your bio", "NOOP", buf, "editbio");
 789         } else if (!strcasecmp(action, "editbio")) {
 790                 save_edit("Your bio", "EBIO", 0);
 791         } else if (!strcasecmp(action, "confirm_delete_room")) {
 792                 confirm_delete_room();
 793         } else if (!strcasecmp(action, "delete_room")) {
 794                 delete_room();
 795         } else if (!strcasecmp(action, "validate")) {
 796                 validate();
 797         } else if (!strcasecmp(action, "display_editpic")) {
 798                 display_graphics_upload("your photo",
 799                                         "UIMG 0|_userpic_",
 800                                         "/editpic");
 801         } else if (!strcasecmp(action, "editpic")) {
 802                 do_graphics_upload("UIMG 1|_userpic_");
 803         } else if (!strcasecmp(action, "display_editroompic")) {
 804                 display_graphics_upload("the graphic for this room",
 805                                         "UIMG 0|_roompic_",
 806                                         "/editroompic");
 807         } else if (!strcasecmp(action, "editroompic")) {
 808                 do_graphics_upload("UIMG 1|_roompic_");
 809         } else if (!strcasecmp(action, "select_floor_to_edit_pic")) {
 810                 select_floor_to_edit_pic();
 811         } else if (!strcasecmp(action, "display_editfloorpic")) {
 812                 sprintf(buf, "UIMG 0|_floorpic_|%s",
 813                         bstr("which_floor"));
 814                 display_graphics_upload("the graphic for this floor",
 815                                         buf,
 816                                         "/editfloorpic");
 817         } else if (!strcasecmp(action, "editfloorpic")) {
 818                 sprintf(buf, "UIMG 1|_floorpic_|%s",
 819                         bstr("which_floor"));
 820                 do_graphics_upload(buf);
 821         } else if (!strcasecmp(action, "display_reg")) {
 822                 display_reg(0);
 823         } else if (!strcasecmp(action, "register")) {
 824                 register_user();
 825         } else if (!strcasecmp(action, "display_changepw")) {
 826                 display_changepw();
 827         } else if (!strcasecmp(action, "changepw")) {
 828                 changepw();
 829         } else if (!strcasecmp(action, "display_edit_node")) {
 830                 display_edit_node();
 831         } else if (!strcasecmp(action, "display_netconf")) {
 832                 display_netconf();
 833         } else if (!strcasecmp(action, "display_confirm_unshare")) {
 834                 display_confirm_unshare();
 835         } else if (!strcasecmp(action, "display_confirm_delete_node")) {
 836                 display_confirm_delete_node();
 837         } else if (!strcasecmp(action, "delete_node")) {
 838                 delete_node();
 839         } else if (!strcasecmp(action, "unshare")) {
 840                 unshare();
 841         } else if (!strcasecmp(action, "display_add_node")) {
 842                 display_add_node();
 843         } else if (!strcasecmp(action, "add_node")) {
 844                 add_node();
 845         } else if (!strcasecmp(action, "display_share")) {
 846                 display_share();
 847         } else if (!strcasecmp(action, "share")) {
 848                 share();
 849         } else if (!strcasecmp(action, "terminate_session")) {
 850                 terminate_session();
 851         } else if (!strcasecmp(action, "edit_me")) {
 852                 edit_me();
 853         } else if (!strcasecmp(action, "display_siteconfig")) {
 854                 display_siteconfig();
 855         } else if (!strcasecmp(action, "siteconfig")) {
 856                 siteconfig();
 857         } else if (!strcasecmp(action, "display_generic")) {
 858                 display_generic();
 859         } else if (!strcasecmp(action, "do_generic")) {
 860                 do_generic();
 861         }
 862         /* When all else fails... */
 863         else {
 864                 printf("HTTP/1.0 200 OK\n");
 865                 output_headers(1);
 866
 867                 wprintf("TransactionCount is %d<BR>\n", TransactionCount);
 868                 wprintf("You're in session %d<HR>\n", wc_session);
 869                 wprintf("Command: <BR><PRE>\n");
 870                 escputs(cmd);
 871                 wprintf("</PRE><HR>\n");
 872                 wprintf("Variables: <BR><PRE>\n");
 873                 dump_vars();
 874                 wprintf("</PRE><HR>\n");
 875                 wDumpContent(1);
 876         }
 877
 878         fflush(stdout);
 879         if (content != NULL) {
 880                 free(content);
 881                 content = NULL;
 882         }
 883         free_urls();
 884         if (upload_length > 0) {
 885                 free(upload);
 886                 upload_length = 0;
 887         }
 888 }
 889
 890 int main(int argc, char *argv[])
 891 {
 892
 893         char browser[256];
 894         int bd;
 895
 896         if (argc != 6) {
 897                 fprintf(stderr,
 898                         "webcit: usage error (argc must be 6, not %d)\n",
 899                         argc);
 900                 return 1;
 901         }
 902
 903         wc_session = atoi(argv[1]);
 904         defaulthost = argv[2];
 905         defaultport = argv[3];
 906
 907         strcpy(wc_username, "");
 908         strcpy(wc_password, "");
 909         strcpy(wc_roomname, "");
 910
 911         /* Clear out serv_info and temporarily set the value of serv_humannode
 912          * to a default value, because it'll be used in HTML page titles
 913          */
 914         memset(&serv_info, 0, sizeof(serv_info));
 915         strcpy(serv_info.serv_humannode, "WebCit");
 916
 917         strcpy(browser, argv[5]);
 918         bd = browser_braindamage_check(browser);
 919         if (bd == B_NO)
 920                 noframes = 1;
 921         else
 922                 noframes = 0;
 923
 924         while (1) {
 925                 session_loop(argv[4]);
 926         }
 927 }