webcit/messages.c

   1 /*
   2  * $Id$
   3  *
   4  * Functions which deal with the fetching and displaying of messages.
   5  *
   6  */
   7
   8 #include <ctype.h>
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11 #include <stdio.h>
  12 #include <fcntl.h>
  13 #include <signal.h>
  14 #include <sys/types.h>
  15 #include <sys/wait.h>
  16 #include <sys/socket.h>
  17 #include <limits.h>
  18 #include <netinet/in.h>
  19 #include <netdb.h>
  20 #include <string.h>
  21 #include <pwd.h>
  22 #include <errno.h>
  23 #include <stdarg.h>
  24 #include <pthread.h>
  25 #include <signal.h>
  26 #include "webcit.h"
  27 #include "vcard.h"
  28
  29
  30 /*
  31  * Look for URL's embedded in a buffer and make them linkable.  We use a
  32  * target window in order to keep the BBS session in its own window.
  33  */
  34 void url(buf)
  35 char buf[];
  36 {
  37
  38         int pos;
  39         int start, end;
  40         char ench;
  41         char urlbuf[SIZ];
  42         char outbuf[1024];
  43
  44         start = (-1);
  45         end = strlen(buf);
  46         ench = 0;
  47
  48         for (pos = 0; pos < strlen(buf); ++pos) {
  49                 if (!strncasecmp(&buf[pos], "http://", 7))
  50                         start = pos;
  51                 if (!strncasecmp(&buf[pos], "ftp://", 6))
  52                         start = pos;
  53         }
  54
  55         if (start < 0)
  56                 return;
  57
  58         if ((start > 0) && (buf[start - 1] == '<'))
  59                 ench = '>';
  60         if ((start > 0) && (buf[start - 1] == '['))
  61                 ench = ']';
  62         if ((start > 0) && (buf[start - 1] == '('))
  63                 ench = ')';
  64         if ((start > 0) && (buf[start - 1] == '{'))
  65                 ench = '}';
  66
  67         for (pos = strlen(buf); pos > start; --pos) {
  68                 if ((buf[pos] == ' ') || (buf[pos] == ench))
  69                         end = pos;
  70         }
  71
  72         safestrncpy(urlbuf, &buf[start], end - start);
  73         urlbuf[end - start] = 0;
  74
  75         safestrncpy(outbuf, buf, start);
  76         sprintf(&outbuf[start], "%cA HREF=%c%s%c TARGET=%c%s%c%c%s%c/A%c",
  77                 LB, QU, urlbuf, QU, QU, TARGET, QU, RB, urlbuf, LB, RB);
  78         strcat(outbuf, &buf[end]);
  79         if ( strlen(outbuf) < 250 )
  80                 strcpy(buf, outbuf);
  81 }
  82
  83
  84 /* display_vcard() calls this after parsing the textual vCard into
  85  * our 'struct vCard' data object.
  86  *
  87  * Set 'full' to nonzero to display the full card, otherwise it will only
  88  * show a summary line.
  89  */
  90 void display_parsed_vcard(struct vCard *v, int full) {
  91         int i, j;
  92         char buf[SIZ];
  93         char *name;
  94
  95         if (!full) {
  96                 wprintf("<TD>");
  97                 name = vcard_get_prop(v, "n", 1, 0, 0);
  98                 if (name != NULL) {
  99                         strcpy(buf, name);
 100                         escputs(buf);
 101                 }
 102                 else {
 103                         wprintf("&nbsp;");
 104                 }
 105                 wprintf("</TD>");
 106                 return;
 107         }
 108
 109         wprintf("<TABLE bgcolor=#888888>");
 110         if (v->numprops) for (i=0; i<(v->numprops); ++i) {
 111                 if (!strcasecmp(v->prop[i].name, "n")) {
 112                         wprintf("<TR BGCOLOR=#AAAAAA>"
 113                         "<TD BGCOLOR=#FFFFFF>"
 114                         "<IMG VALIGN=CENTER SRC=\"/static/vcard.gif\"></TD>"
 115                         "<TD><FONT SIZE=+1><B>");
 116                         escputs(v->prop[i].value);
 117                         wprintf("</B></FONT></TD></TR>\n");
 118                 }
 119                 else if (!strcasecmp(v->prop[i].name, "email;internet")) {
 120                         wprintf("<TR><TD>Internet e-mail:</TD>"
 121                                 "<TD><A HREF=\"mailto:");
 122                         urlescputs(v->prop[i].value);
 123                         wprintf("\">");
 124                         escputs(v->prop[i].value);
 125                         wprintf("</A></TD></TR>\n");
 126                 }
 127                 else if (!strcasecmp(v->prop[i].name, "adr")) {
 128                         wprintf("<TR><TD>Address:</TD><TD>");
 129                         for (j=0; j<num_tokens(v->prop[i].value, ';'); ++j) {
 130                                 extract_token(buf, v->prop[i].value, j, ';');
 131                                 if (strlen(buf) > 0) {
 132                                         escputs(buf);
 133                                         wprintf("<BR>");
 134                                 }
 135                         }
 136                         wprintf("</TD></TR>\n");
 137                 }
 138                 else if (!strncasecmp(v->prop[i].name, "tel;", 4)) {
 139                         wprintf("<TR><TD>%s telephone:</TD><TD>",
 140                                 &v->prop[i].name[4]);
 141                         for (j=0; j<num_tokens(v->prop[i].value, ';'); ++j) {
 142                                 extract_token(buf, v->prop[i].value, j, ';');
 143                                 if (strlen(buf) > 0) {
 144                                         escputs(buf);
 145                                         wprintf("<BR>");
 146                                 }
 147                         }
 148                         wprintf("</TD></TR>\n");
 149                 }
 150                 else {
 151                         wprintf("<TR><TD>");
 152                         escputs(v->prop[i].name);
 153                         wprintf("</TD><TD>");
 154                         escputs(v->prop[i].value);
 155                         wprintf("</TD></TR>\n");
 156                 }
 157         }
 158         wprintf("</TABLE>\n");
 159 }
 160
 161
 162
 163 /*
 164  * Display a textual vCard
 165  * (Converts to a vCard object and then calls the actual display function)
 166  * Set 'full' to nonzero to display the whole card instead of a one-liner
 167  */
 168 void display_vcard(char *vcard_source, char alpha, int full) {
 169         struct vCard *v;
 170         char *name;
 171         char buf[SIZ];
 172         char this_alpha = 0;
 173
 174         v = vcard_load(vcard_source);
 175         if (v == NULL) return;
 176
 177         name = vcard_get_prop(v, "n", 1, 0, 0);
 178         if (name != NULL) {
 179                 strcpy(buf, name);
 180                 this_alpha = buf[0];
 181         }
 182
 183         if ( (alpha == 0)
 184            || ((isalpha(alpha)) && (tolower(alpha) == tolower(this_alpha)) )
 185            || ((!isalpha(alpha)) && (!isalpha(this_alpha))) ) {
 186
 187                 display_parsed_vcard(v, full);
 188
 189         }
 190
 191         vcard_free(v);
 192 }
 193
 194
 195
 196
 197
 198
 199 void read_message(long msgnum) {
 200         char buf[SIZ];
 201         char mime_partnum[SIZ];
 202         char mime_filename[SIZ];
 203         char mime_content_type[SIZ];
 204         char mime_disposition[SIZ];
 205         int mime_length;
 206         char *mime_http = NULL;
 207         char m_subject[SIZ];
 208         char from[SIZ];
 209         char node[SIZ];
 210         char rfca[SIZ];
 211         char reply_to[512];
 212         char now[SIZ];
 213         int format_type = 0;
 214         int nhdr = 0;
 215         int bq = 0;
 216         char vcard_partnum[SIZ];
 217         char *vcard_source = NULL;
 218
 219         strcpy(from, "");
 220         strcpy(node, "");
 221         strcpy(rfca, "");
 222         strcpy(reply_to, "");
 223         strcpy(vcard_partnum, "");
 224
 225         sprintf(buf, "MSG0 %ld", msgnum);
 226         serv_puts(buf);
 227         serv_gets(buf);
 228         if (buf[0] != '1') {
 229                 wprintf("<STRONG>ERROR:</STRONG> %s<BR>\n", &buf[4]);
 230                 return;
 231         }
 232
 233         wprintf("<TABLE WIDTH=100%% BORDER=0 CELLSPACING=0 "
 234                 "CELLPADDING=1 BGCOLOR=CCCCCC><TR><TD>\n");
 235
 236         wprintf("<FONT ");
 237         wprintf("SIZE=+1 ");
 238         wprintf("COLOR=\"000000\"> ");
 239         strcpy(m_subject, "");
 240
 241         while (serv_gets(buf), strncasecmp(buf, "text", 4)) {
 242                 if (!strncasecmp(buf, "nhdr=yes", 8))
 243                         nhdr = 1;
 244                 if (nhdr == 1)
 245                         buf[0] = '_';
 246                 if (!strncasecmp(buf, "type=", 5))
 247                         format_type = atoi(&buf[5]);
 248                 if (!strncasecmp(buf, "from=", 5)) {
 249                         strcpy(from, &buf[5]);
 250                         wprintf("from <A HREF=\"/showuser&who=");
 251                         urlescputs(from);
 252                         wprintf("\">");
 253                         escputs(from);
 254                         wprintf("</A> ");
 255                 }
 256                 if (!strncasecmp(buf, "subj=", 5))
 257                         strcpy(m_subject, &buf[5]);
 258                 if ((!strncasecmp(buf, "hnod=", 5))
 259                     && (strcasecmp(&buf[5], serv_info.serv_humannode)))
 260                         wprintf("(%s) ", &buf[5]);
 261                 if ((!strncasecmp(buf, "room=", 5))
 262                     && (strcasecmp(&buf[5], WC->wc_roomname)))
 263                         wprintf("in %s> ", &buf[5]);
 264                 if (!strncasecmp(buf, "rfca=", 5)) {
 265                         strcpy(rfca, &buf[5]);
 266                         wprintf("&lt;");
 267                         escputs(rfca);
 268                         wprintf("&gt; ");
 269                 }
 270
 271                 if (!strncasecmp(buf, "node=", 5)) {
 272                         if ( ((WC->room_flags & QR_NETWORK)
 273                         || ((strcasecmp(&buf[5], serv_info.serv_nodename)
 274                         && (strcasecmp(&buf[5], serv_info.serv_fqdn)))))
 275                         && (strlen(rfca)==0)
 276                         ) {
 277                                 wprintf("@%s ", &buf[5]);
 278                         }
 279                 }
 280                 if (!strncasecmp(buf, "rcpt=", 5))
 281                         wprintf("to %s ", &buf[5]);
 282                 if (!strncasecmp(buf, "time=", 5)) {
 283                         fmt_date(now, atol(&buf[5]));
 284                         wprintf("%s ", now);
 285                 }
 286
 287                 if (!strncasecmp(buf, "part=", 5)) {
 288                         extract(mime_filename, &buf[5], 1);
 289                         extract(mime_partnum, &buf[5], 2);
 290                         extract(mime_disposition, &buf[5], 3);
 291                         extract(mime_content_type, &buf[5], 4);
 292                         mime_length = extract_int(&buf[5], 5);
 293
 294                         if (!strcasecmp(mime_disposition, "attachment")) {
 295                                 if (mime_http == NULL) {
 296                                         mime_http = malloc(512);
 297                                         strcpy(mime_http, "");
 298                                 }
 299                                 else {
 300                                         mime_http = realloc(mime_http,
 301                                                 strlen(mime_http) + 512);
 302                                 }
 303                                 sprintf(&mime_http[strlen(mime_http)],
 304                                         "<A HREF=\"/output_mimepart?"
 305                                         "msgnum=%ld&partnum=%s\" "
 306                                         "TARGET=\"wc.%ld.%s\">"
 307                                         "<IMG SRC=\"/static/attachment.gif\" "
 308                                         "BORDER=0 ALIGN=MIDDLE>\n"
 309                                         "Part %s: %s (%s, %d bytes)</A><BR>\n",
 310                                         msgnum, mime_partnum,
 311                                         msgnum, mime_partnum,
 312                                         mime_partnum, mime_filename,
 313                                         mime_content_type, mime_length);
 314                         }
 315
 316                         if ((!strcasecmp(mime_disposition, "inline"))
 317                            && (!strncasecmp(mime_content_type, "image/", 6)) ){
 318                                 if (mime_http == NULL) {
 319                                         mime_http = malloc(512);
 320                                         strcpy(mime_http, "");
 321                                 }
 322                                 else {
 323                                         mime_http = realloc(mime_http,
 324                                                 strlen(mime_http) + 512);
 325                                 }
 326                                 sprintf(&mime_http[strlen(mime_http)],
 327                                         "<IMG SRC=\"/output_mimepart?"
 328                                         "msgnum=%ld&partnum=%s\">",
 329                                         msgnum, mime_partnum);
 330                         }
 331
 332                         if (!strcasecmp(mime_content_type, "text/x-vcard")) {
 333                                 strcpy(vcard_partnum, mime_partnum);
 334                         }
 335
 336                 }
 337
 338         }
 339
 340
 341         /* Generate a reply-to address */
 342         if (strlen(rfca) > 0) {
 343                 strcpy(reply_to, rfca);
 344         }
 345         else {
 346                 if (strlen(node) > 0) {
 347                         snprintf(reply_to, sizeof(reply_to), "%s @ %s",
 348                                 from, node);
 349                 }
 350                 else {
 351                         snprintf(reply_to, sizeof(reply_to), "%s", from);
 352                 }
 353         }
 354
 355         if (nhdr == 1) {
 356                 wprintf("****");
 357         }
 358
 359         wprintf("</FONT></TD>");
 360
 361         wprintf("<TD ALIGN=RIGHT>\n"
 362                 "<TABLE BORDER=0><TR>\n");
 363
 364         wprintf("<TD BGCOLOR=\"AAAADD\">"
 365                 "<A HREF=\"/readfwd?startmsg=%ld", msgnum);
 366         wprintf("&maxmsgs=1&summary=0\">Read</A>"
 367                 "</TD>\n", msgnum);
 368
 369         wprintf("<TD BGCOLOR=\"AAAADD\">"
 370                 "<A HREF=\"/display_enter?recp=");
 371         urlescputs(reply_to);
 372         wprintf("\"><FONT SIZE=-1>Reply</FONT></A>"
 373                 "</TD>\n", msgnum);
 374
 375         if (WC->is_room_aide) {
 376                 wprintf("<TD BGCOLOR=\"AAAADD\">"
 377                         "<A HREF=\"/confirm_move_msg"
 378                         "&msgid=%ld"
 379                         "\"><FONT SIZE=-1>Move</FONT></A>"
 380                         "</TD>\n", msgnum);
 381
 382                 wprintf("<TD BGCOLOR=\"AAAADD\">"
 383                         "<A HREF=\"/delete_msg"
 384                         "&msgid=%ld\""
 385                         "onClick=\"return confirm('Delete this message?');\""
 386                         "><FONT SIZE=-1>Del</FONT></A>"
 387                         "</TD>\n", msgnum);
 388         }
 389
 390         wprintf("</TR></TABLE>\n"
 391                 "</TD>\n");
 392
 393         if (strlen(m_subject) > 0) {
 394                 wprintf("<TR><TD><FONT COLOR=\"0000FF\">"
 395                         "Subject: %s</FONT>"
 396                         "</TD><TD>&nbsp;</TD></TR>\n", m_subject);
 397         }
 398
 399         wprintf("</TR></TABLE>\n");
 400
 401         if (format_type == 0) {
 402                 fmout(NULL);
 403         } else {
 404                 while (serv_gets(buf), strcmp(buf, "000")) {
 405                         while ((strlen(buf) > 0) && (isspace(buf[strlen(buf) - 1])))
 406                                 buf[strlen(buf) - 1] = 0;
 407                         if ((bq == 0) &&
 408                             ((!strncmp(buf, ">", 1)) || (!strncmp(buf, " >", 2)) || (!strncmp(buf, " :-)", 4)))) {
 409                                 wprintf("<FONT COLOR=\"000044\"><I>");
 410                                 bq = 1;
 411                         } else if ((bq == 1) &&
 412                                    (strncmp(buf, ">", 1)) && (strncmp(buf, " >", 2)) && (strncmp(buf, " :-)", 4))) {
 413                                 wprintf("</FONT></I>");
 414                                 bq = 0;
 415                         }
 416                         wprintf("<TT>");
 417                         url(buf);
 418                         escputs(buf);
 419                         wprintf("</TT><BR>\n");
 420                 }
 421         }
 422         wprintf("</I><BR>");
 423
 424         if (mime_http != NULL) {
 425                 wprintf("%s", mime_http);
 426                 free(mime_http);
 427         }
 428
 429         if (strlen(vcard_partnum) > 0) {
 430                 vcard_source = load_mimepart(msgnum, vcard_partnum);
 431                 if (vcard_source != NULL) {
 432
 433                         /* If it's my vCard I can edit it */
 434                         if ( (!strcasecmp(WC->wc_roomname, USERCONFIGROOM))
 435                            || (!strcasecmp(&WC->wc_roomname[11], USERCONFIGROOM))) {
 436                                 wprintf("<A HREF=\"/edit_vcard?"
 437                                         "msgnum=%ld&partnum=%s\">",
 438                                         msgnum, vcard_partnum);
 439                                 wprintf("(edit)</A>");
 440                         }
 441
 442                         /* In all cases, display the full card */
 443                         display_vcard(vcard_source, 0, 1);
 444                         free(vcard_source);
 445                 }
 446         }
 447
 448 }
 449
 450
 451 void summarize_message(long msgnum) {
 452         char buf[SIZ];
 453
 454         struct {
 455                 char date[SIZ];
 456                 char from[SIZ];
 457                 char to[SIZ];
 458                 char subj[SIZ];
 459                 int hasattachments;
 460         } summ;
 461
 462         memset(&summ, 0, sizeof(summ));
 463         strcpy(summ.subj, "(no subject)");
 464
 465         sprintf(buf, "MSG0 %ld|1", msgnum);     /* ask for headers only */
 466         serv_puts(buf);
 467         serv_gets(buf);
 468         if (buf[0] != '1') return;
 469
 470         while (serv_gets(buf), strcmp(buf, "000")) {
 471                 if (!strncasecmp(buf, "from=", 5)) {
 472                         strcpy(summ.from, &buf[5]);
 473                 }
 474                 if (!strncasecmp(buf, "subj=", 5)) {
 475                         strcpy(summ.subj, &buf[5]);
 476                 }
 477                 if (!strncasecmp(buf, "rfca=", 5)) {
 478                         strcat(summ.from, " <");
 479                         strcat(summ.from, &buf[5]);
 480                         strcat(summ.from, ">");
 481                 }
 482
 483                 if (!strncasecmp(buf, "node=", 5)) {
 484                         if ( ((WC->room_flags & QR_NETWORK)
 485                         || ((strcasecmp(&buf[5], serv_info.serv_nodename)
 486                         && (strcasecmp(&buf[5], serv_info.serv_fqdn)))))
 487                         ) {
 488                                 strcat(summ.from, " @ ");
 489                                 strcat(summ.from, &buf[5]);
 490                         }
 491                 }
 492
 493                 if (!strncasecmp(buf, "rcpt=", 5)) {
 494                         strcpy(summ.to, &buf[5]);
 495                 }
 496
 497                 if (!strncasecmp(buf, "time=", 5)) {
 498                         fmt_date(summ.date, atol(&buf[5]));
 499                 }
 500         }
 501
 502         wprintf("<TD><A HREF=\"/readfwd?startmsg=%ld"
 503                 "&maxmsgs=1&summary=0\">",
 504                 msgnum);
 505         escputs(summ.subj);
 506         wprintf("</A></TD><TD>");
 507         escputs(summ.from);
 508         wprintf(" </TD><TD>");
 509         escputs(summ.date);
 510         wprintf(" </TD>");
 511         wprintf("<TD>"
 512                 "<INPUT TYPE=\"checkbox\" NAME=\"msg_%ld\" VALUE=\"yes\">"
 513                 "</TD>\n");
 514
 515         return;
 516 }
 517
 518
 519
 520 void display_addressbook(long msgnum, char alpha) {
 521         char buf[SIZ];
 522         char mime_partnum[SIZ];
 523         char mime_filename[SIZ];
 524         char mime_content_type[SIZ];
 525         char mime_disposition[SIZ];
 526         int mime_length;
 527         char vcard_partnum[SIZ];
 528         char *vcard_source = NULL;
 529
 530         struct {
 531                 char date[SIZ];
 532                 char from[SIZ];
 533                 char to[SIZ];
 534                 char subj[SIZ];
 535                 int hasattachments;
 536         } summ;
 537
 538         memset(&summ, 0, sizeof(summ));
 539         strcpy(summ.subj, "(no subject)");
 540
 541         sprintf(buf, "MSG0 %ld|1", msgnum);     /* ask for headers only */
 542         serv_puts(buf);
 543         serv_gets(buf);
 544         if (buf[0] != '1') return;
 545
 546         while (serv_gets(buf), strcmp(buf, "000")) {
 547                 if (!strncasecmp(buf, "part=", 5)) {
 548                         extract(mime_filename, &buf[5], 1);
 549                         extract(mime_partnum, &buf[5], 2);
 550                         extract(mime_disposition, &buf[5], 3);
 551                         extract(mime_content_type, &buf[5], 4);
 552                         mime_length = extract_int(&buf[5], 5);
 553
 554                         if (!strcasecmp(mime_content_type, "text/x-vcard")) {
 555                                 strcpy(vcard_partnum, mime_partnum);
 556                         }
 557
 558                 }
 559         }
 560
 561         if (strlen(vcard_partnum) > 0) {
 562                 vcard_source = load_mimepart(msgnum, vcard_partnum);
 563                 if (vcard_source != NULL) {
 564
 565                         /* Display the summary line */
 566                         display_vcard(vcard_source, alpha, 0);
 567
 568                         /* If it's my vCard I can edit it */
 569                         if ( (!strcasecmp(WC->wc_roomname, USERCONFIGROOM))
 570                            || (!strcasecmp(&WC->wc_roomname[11], USERCONFIGROOM))) {
 571                                 wprintf("<A HREF=\"/edit_vcard?"
 572                                         "msgnum=%ld&partnum=%s\">",
 573                                         msgnum, vcard_partnum);
 574                                 wprintf("(edit)</A>");
 575                         }
 576
 577                         free(vcard_source);
 578                 }
 579         }
 580
 581 }
 582
 583
 584
 585 /*
 586  * load message pointers from the server
 587  */
 588 int load_msg_ptrs(servcmd)
 589 char *servcmd;
 590 {
 591         char buf[SIZ];
 592         int nummsgs;
 593
 594         nummsgs = 0;
 595         serv_puts(servcmd);
 596         serv_gets(buf);
 597         if (buf[0] != '1') {
 598                 wprintf("<EM>%s</EM><BR>\n", &buf[4]);
 599                 return (nummsgs);
 600         }
 601         while (serv_gets(buf), strcmp(buf, "000")) {
 602                 WC->msgarr[nummsgs] = atol(buf);
 603                 ++nummsgs;
 604         }
 605         return (nummsgs);
 606 }
 607
 608
 609 /*
 610  * command loop for reading messages
 611  */
 612 void readloop(char *oper)
 613 {
 614         char cmd[SIZ];
 615         char buf[SIZ];
 616         int a, b, i;
 617         int nummsgs;
 618         long startmsg;
 619         int maxmsgs;
 620         int num_displayed = 0;
 621         int is_summary = 0;
 622         int is_addressbook = 0;
 623         int remaining_messages;
 624         int lo, hi;
 625         int lowest_displayed = (-1);
 626         int highest_displayed = 0;
 627         long pn_previous = 0L;
 628         long pn_current = 0L;
 629         long pn_next = 0L;
 630         int bg = 0;
 631         char alpha = 0;
 632
 633         startmsg = atol(bstr("startmsg"));
 634         maxmsgs = atoi(bstr("maxmsgs"));
 635         is_summary = atoi(bstr("summary"));
 636         if (maxmsgs == 0) maxmsgs = 20;
 637
 638         output_headers(1);
 639
 640         if (!strcmp(oper, "readnew")) {
 641                 strcpy(cmd, "MSGS NEW");
 642         } else if (!strcmp(oper, "readold")) {
 643                 strcpy(cmd, "MSGS OLD");
 644         } else {
 645                 strcpy(cmd, "MSGS ALL");
 646         }
 647
 648         /* FIXME put in the correct constant #defs */
 649         if ((WC->wc_view == 1) && (maxmsgs > 1)) {
 650                 is_summary = 1;
 651                 strcpy(cmd, "MSGS ALL");
 652                 maxmsgs = 32767;
 653         }
 654         if ((WC->wc_view == 2) && (maxmsgs > 1)) {
 655                 is_addressbook = 1;
 656                 strcpy(cmd, "MSGS ALL");
 657                 maxmsgs = 32767;
 658                 if (bstr("alpha") == NULL) {
 659                         alpha = 'A';
 660                 }
 661                 else {
 662                         strcpy(buf, bstr("alpha"));
 663                         alpha = buf[0];
 664                 }
 665
 666                 for (i='A'; i<='Z'; ++i) {
 667                         if (i == alpha) wprintf("<FONT SIZE=+2>"
 668                                                 "%c</FONT>\n", i);
 669                         else {
 670                                 wprintf("<A HREF=\"/readfwd?alpha=%c\">"
 671                                         "%c</A>\n", i, i);
 672                         }
 673                         wprintf("&nbsp;");
 674                 }
 675                 if (!isalpha(alpha)) wprintf("<FONT SIZE=+2>(other)</FONT>\n");
 676                 else wprintf("<A HREF=\"/readfwd?alpha=1\">(other)</A>\n");
 677                 wprintf("<HR width=100%%>\n");
 678         }
 679
 680         nummsgs = load_msg_ptrs(cmd);
 681         if (nummsgs == 0) {
 682                 if (!strcmp(oper, "readnew")) {
 683                         wprintf("<EM>No new messages in this room.</EM>\n");
 684                 } else if (!strcmp(oper, "readold")) {
 685                         wprintf("<EM>No old messages in this room.</EM>\n");
 686                 } else {
 687                         wprintf("<EM>This room is empty.</EM>\n");
 688                 }
 689                 goto DONE;
 690         }
 691
 692         if (startmsg == 0L) startmsg = WC->msgarr[0];
 693         remaining_messages = 0;
 694
 695         for (a = 0; a < nummsgs; ++a) {
 696                 if (WC->msgarr[a] >= startmsg) {
 697                         ++remaining_messages;
 698                 }
 699         }
 700
 701         if (is_summary) {
 702                 wprintf("<FORM METHOD=\"POST\" ACTION=\"/do_stuff_to_msgs\">\n"
 703                         "<TABLE border=0 cellspacing=0 "
 704                         "cellpadding=0 width=100%%>\n"
 705                         "<TR>"
 706                         "<TD><I>Subject</I></TD>"
 707                         "<TD><I>Sender</I></TD>"
 708                         "<TD><I>Date</I></TD>"
 709                         "<TD></TD>"
 710                         "</TR>\n"
 711                 );
 712         }
 713
 714         if (is_addressbook) {
 715                 wprintf("<TABLE border=0 cellspacing=0 "
 716                         "cellpadding=0 width=100%%>\n"
 717                 );
 718         }
 719
 720         for (a = 0; a < nummsgs; ++a) {
 721                 if ((WC->msgarr[a] >= startmsg) && (num_displayed < maxmsgs)) {
 722
 723                         /* Learn which msgs "Prev" & "Next" buttons go to */
 724                         pn_current = WC->msgarr[a];
 725                         if (a > 0) pn_previous = WC->msgarr[a-1];
 726                         if (a < (nummsgs-1)) pn_next = WC->msgarr[a+1];
 727
 728                         /* If a tabular view, set up the line */
 729                         if ( (is_summary) || (is_addressbook) ) {
 730                                 bg = 1 - bg;
 731                                 wprintf("<TR BGCOLOR=%s>",
 732                                         (bg ? "DDDDDD" : "FFFFFF")
 733                                 );
 734                         }
 735
 736                         /* Display the message */
 737                         if (is_summary) {
 738                                 summarize_message(WC->msgarr[a]);
 739                         }
 740                         else if (is_addressbook) {
 741                                 display_addressbook(WC->msgarr[a], alpha);
 742                         }
 743                         else {
 744                                 read_message(WC->msgarr[a]);
 745                         }
 746
 747                         /* If a tabular view, finish the line */
 748                         if ( (is_summary) || (is_addressbook) ) {
 749                                 wprintf("</TR>\n");
 750                         }
 751
 752                         if (lowest_displayed < 0) lowest_displayed = a;
 753                         highest_displayed = a;
 754
 755                         ++num_displayed;
 756                         --remaining_messages;
 757                 }
 758         }
 759
 760         if (is_summary) {
 761                 wprintf("</TABLE>\n");
 762         }
 763
 764         if (is_addressbook) {
 765                 wprintf("</TABLE>\n");
 766         }
 767
 768         /* Bump these because although we're thinking in zero base, the user
 769          * is a drooling idiot and is thinking in one base.
 770          */
 771         ++lowest_displayed;
 772         ++highest_displayed;
 773
 774         /* If we're only looking at one message, do a prev/next thing */
 775         if (num_displayed == 1) {
 776
 777                 wprintf("<CENTER>"
 778                         "<TABLE BORDER=0 WIDTH=100%% BGCOLOR=DDDDDD><TR><TD>"
 779                         "Reading #%d of %d messages.</TD>\n"
 780                         "<TD ALIGN=RIGHT><FONT SIZE=+1>",
 781                         lowest_displayed, nummsgs);
 782
 783                 if (is_summary) {
 784                         wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" "
 785                                 "VALUE=\"Delete selected\">\n");
 786                 }
 787
 788                 if (pn_previous > 0L) {
 789                         wprintf("<A HREF=\"/%s"
 790                                 "?startmsg=%ld"
 791                                 "&maxmsgs=1"
 792                                 "&summary=0\">"
 793                                 "Previous</A> \n",
 794                                         oper,
 795                                         pn_previous );
 796                 }
 797
 798                 if (pn_next > 0L) {
 799                         wprintf("<A HREF=\"/%s"
 800                                 "?startmsg=%ld"
 801                                 "&maxmsgs=1"
 802                                 "&summary=0\">"
 803                                 "Next</A> \n",
 804                                         oper,
 805                                         pn_next );
 806                 }
 807
 808                 wprintf("<A HREF=\"/%s?startmsg=%ld"
 809                         "&maxmsgs=999999&summary=1\">"
 810                         "Summary"
 811                         "</A>",
 812                         oper,
 813                         WC->msgarr[0]);
 814
 815                 wprintf("</TD></TR></TABLE></CENTER>\n");
 816         }
 817
 818
 819         /*
 820          * If we're not currently looking at ALL requested
 821          * messages, then display the selector bar
 822          */
 823         if (num_displayed > 1) {
 824                 wprintf("<CENTER>"
 825                         "<TABLE BORDER=0 WIDTH=100%% BGCOLOR=DDDDDD><TR><TD>"
 826                         "Reading #%d-%d of %d messages.</TD>\n"
 827                         "<TD ALIGN=RIGHT><FONT SIZE=+1>",
 828                         lowest_displayed, highest_displayed, nummsgs);
 829
 830                 if (is_summary) {
 831                         wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" "
 832                                 "VALUE=\"Delete selected\">\n");
 833                 }
 834
 835
 836                 for (b=0; b<nummsgs; b = b + maxmsgs) {
 837                 lo = b+1;
 838                 hi = b+maxmsgs+1;
 839                 if (hi > nummsgs) hi = nummsgs;
 840                         if (WC->msgarr[b] != startmsg) {
 841                                 wprintf("<A HREF=\"/%s"
 842                                         "?startmsg=%ld"
 843                                         "&maxmsgs=%d"
 844                                         "&summary=%d\">"
 845                                         "%d-%d</A> \n",
 846                                                 oper,
 847                                                 WC->msgarr[b],
 848                                                 maxmsgs,
 849                                                 is_summary,
 850                                                 lo, hi);
 851                         }
 852                         else {
 853                                 wprintf("%d-%d \n", lo, hi);
 854                         }
 855
 856                 }
 857                 wprintf("<A HREF=\"/%s?startmsg=%ld"
 858                         "&maxmsgs=999999&summary=%d\">"
 859                         "ALL"
 860                         "</A> ",
 861                         oper,
 862                         WC->msgarr[0], is_summary);
 863
 864                 wprintf("<A HREF=\"/%s?startmsg=%ld"
 865                         "&maxmsgs=999999&summary=1\">"
 866                         "Summary"
 867                         "</A>",
 868                         oper,
 869                         WC->msgarr[0]);
 870
 871                 wprintf("</TD></TR></TABLE></CENTER>\n");
 872         }
 873         if (is_summary) wprintf("</FORM>\n");
 874
 875 DONE:   wDumpContent(1);
 876 }
 877
 878
 879
 880
 881 /*
 882  * Post message (or don't post message)
 883  *
 884  * Note regarding the "dont_post" variable:
 885  * A random value (actually, it's just a timestamp) is inserted as a hidden
 886  * field called "postseq" when the display_enter page is generated.  This
 887  * value is checked when posting, using the static variable dont_post.  If a
 888  * user attempts to post twice using the same dont_post value, the message is
 889  * discarded.  This prevents the accidental double-saving of the same message
 890  * if the user happens to click the browser "back" button.
 891  */
 892 void post_message(void)
 893 {
 894         char buf[SIZ];
 895         static long dont_post = (-1L);
 896
 897         output_headers(1);
 898
 899         wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\">");
 900         strcpy(buf, bstr("sc"));
 901         if (strcasecmp(buf, "Save message")) {
 902                 wprintf("Cancelled.  Message was not posted.<BR>\n");
 903         } else if (atol(bstr("postseq")) == dont_post) {
 904                 wprintf("Automatically cancelled because you have already "
 905                         "saved this message.<BR>\n");
 906         } else {
 907                 sprintf(buf, "ENT0 1|%s|0|0|%s",
 908                         bstr("recp"),
 909                         bstr("subject") );
 910                 serv_puts(buf);
 911                 serv_gets(buf);
 912                 if (buf[0] == '4') {
 913                         text_to_server(bstr("msgtext"));
 914                         serv_puts("000");
 915                         wprintf("Message has been posted.<BR>\n");
 916                         dont_post = atol(bstr("postseq"));
 917                 } else {
 918                         wprintf("<EM>%s</EM><BR>\n", &buf[4]);
 919                 }
 920         }
 921
 922         wDumpContent(1);
 923 }
 924
 925
 926
 927
 928 /*
 929  * display the message entry screen
 930  */
 931 void display_enter(void)
 932 {
 933         char buf[SIZ];
 934         long now;
 935         struct tm *tm;
 936
 937         output_headers(1);
 938
 939         wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\">");
 940
 941         sprintf(buf, "ENT0 0|%s|0|0", bstr("recp"));
 942         serv_puts(buf);
 943         serv_gets(buf);
 944
 945         if (!strncmp(buf, "570", 3)) {
 946                 if (strlen(bstr("recp")) > 0) {
 947                         wprintf("<EM>%s</EM><BR>\n", &buf[4]);
 948                 }
 949                 do_template("prompt_for_recipient");
 950                 goto DONE;
 951         }
 952         if (buf[0] != '2') {
 953                 wprintf("<EM>%s</EM><BR>\n", &buf[4]);
 954                 goto DONE;
 955         }
 956
 957         now = time(NULL);
 958         tm = (struct tm *) localtime(&now);
 959         strcpy(buf, (char *) asctime(tm));
 960         buf[strlen(buf) - 1] = 0;
 961         strcpy(&buf[16], &buf[19]);
 962         wprintf("</CENTER><FONT COLOR=\"440000\">\n"
 963                 "<IMG SRC=\"static/enter.gif\" ALIGN=MIDDLE ALT=\" \" "
 964                 "onLoad=\"document.enterform.msgtext.focus();\" >");
 965         wprintf("<B> %s ", &buf[4]);
 966         wprintf("from %s ", WC->wc_username);
 967         if (strlen(bstr("recp")) > 0)
 968                 wprintf("to %s ", bstr("recp"));
 969         wprintf("in %s&gt; ", WC->wc_roomname);
 970         wprintf("</B></FONT><BR><CENTER>\n");
 971
 972         wprintf("<FORM METHOD=\"POST\" ACTION=\"/post\" "
 973                 "NAME=\"enterform\">\n");
 974         wprintf("<INPUT TYPE=\"hidden\" NAME=\"recp\" VALUE=\"%s\">\n",
 975                 bstr("recp"));
 976         wprintf("<INPUT TYPE=\"hidden\" NAME=\"postseq\" VALUE=\"%ld\">\n",
 977                 now);
 978         wprintf("<FONT SIZE=-1>Subject (optional):</FONT>"
 979                 "<INPUT TYPE=\"text\" NAME=\"subject\" MAXLENGTH=70>"
 980                 "&nbsp;&nbsp;&nbsp;"
 981                 "<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Save message\">"
 982                 "<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Cancel\"><BR>\n");
 983
 984         wprintf("<TEXTAREA NAME=\"msgtext\" wrap=soft ROWS=30 COLS=80 "
 985                 "WIDTH=80></TEXTAREA><P>\n");
 986
 987         wprintf("</FORM></CENTER>\n");
 988 DONE:   wDumpContent(1);
 989         wprintf("</FONT>");
 990 }
 991
 992
 993
 994
 995
 996
 997
 998
 999 void delete_msg(void)
1000 {
1001         long msgid;
1002         char buf[SIZ];
1003
1004         msgid = atol(bstr("msgid"));
1005
1006         output_headers(1);
1007
1008         sprintf(buf, "DELE %ld", msgid);
1009         serv_puts(buf);
1010         serv_gets(buf);
1011         wprintf("<EM>%s</EM><BR>\n", &buf[4]);
1012
1013         wDumpContent(1);
1014 }
1015
1016
1017
1018
1019 /*
1020  * Confirm move of a message
1021  */
1022 void confirm_move_msg(void)
1023 {
1024         long msgid;
1025         char buf[SIZ];
1026         char targ[SIZ];
1027
1028         msgid = atol(bstr("msgid"));
1029
1030         output_headers(1);
1031
1032         wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=770000><TR><TD>");
1033         wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"");
1034         wprintf("<B>Confirm move of message</B>\n");
1035         wprintf("</FONT></TD></TR></TABLE>\n");
1036
1037         wprintf("<CENTER>");
1038
1039         wprintf("Please select the room to which you would like this message moved:<BR>\n");
1040
1041         wprintf("<FORM METHOD=\"POST\" ACTION=\"/move_msg\">\n");
1042         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgid\" VALUE=\"%s\">\n",
1043                 bstr("msgid"));
1044
1045
1046         wprintf("<SELECT NAME=\"target_room\" SIZE=5>\n");
1047         serv_puts("LKRA");
1048         serv_gets(buf);
1049         if (buf[0] == '1') {
1050                 while (serv_gets(buf), strcmp(buf, "000")) {
1051                         extract(targ, buf, 0);
1052                         wprintf("<OPTION>");
1053                         escputs(targ);
1054                         wprintf("\n");
1055                 }
1056         }
1057         wprintf("</SELECT>\n");
1058         wprintf("<BR>\n");
1059
1060         wprintf("<INPUT TYPE=\"submit\" NAME=\"yesno\" VALUE=\"Move\">");
1061         wprintf("<INPUT TYPE=\"submit\" NAME=\"yesno\" VALUE=\"Cancel\">");
1062         wprintf("</FORM></CENTER>\n");
1063
1064         wprintf("</CENTER>\n");
1065         wDumpContent(1);
1066 }
1067
1068
1069
1070 void move_msg(void)
1071 {
1072         long msgid;
1073         char buf[SIZ];
1074
1075         msgid = atol(bstr("msgid"));
1076
1077         output_headers(1);
1078
1079         if (!strcasecmp(bstr("yesno"), "Move")) {
1080                 sprintf(buf, "MOVE %ld|%s", msgid, bstr("target_room"));
1081                 serv_puts(buf);
1082                 serv_gets(buf);
1083                 wprintf("<EM>%s</EM><BR>\n", &buf[4]);
1084         } else {
1085                 wprintf("<EM>Message not moved.</EM><BR>\n");
1086         }
1087
1088         wDumpContent(1);
1089 }
1090
1091
1092
1093 void do_stuff_to_msgs(void) {
1094         char buf[SIZ];
1095         char sc[SIZ];
1096
1097         struct stuff_t {
1098                 struct stuff_t *next;
1099                 long msgnum;
1100         };
1101
1102         struct stuff_t *stuff = NULL;
1103         struct stuff_t *ptr;
1104
1105
1106         serv_puts("MSGS ALL");
1107         serv_gets(buf);
1108
1109         if (buf[0] == '1') while (serv_gets(buf), strcmp(buf, "000")) {
1110                 ptr = malloc(sizeof(struct stuff_t));
1111                 ptr->msgnum = atol(buf);
1112                 ptr->next = stuff;
1113                 stuff = ptr;
1114         }
1115
1116         strcpy(sc, bstr("sc"));
1117
1118         while (stuff != NULL) {
1119
1120                 sprintf(buf, "msg_%ld", stuff->msgnum);
1121                 if (!strcasecmp(bstr(buf), "yes")) {
1122
1123                         if (!strcasecmp(sc, "Delete selected")) {
1124                                 serv_printf("DELE %ld", stuff->msgnum);
1125                                 serv_gets(buf);
1126                         }
1127
1128                 }
1129
1130                 ptr = stuff->next;
1131                 free(stuff);
1132                 stuff = ptr;
1133         }
1134
1135         readloop("readfwd");
1136 }