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 #include "webserver.h"
  29
  30
  31 /*
  32  * Look for URL's embedded in a buffer and make them linkable.  We use a
  33  * target window in order to keep the BBS session in its own window.
  34  */
  35 void url(buf)
  36 char buf[];
  37 {
  38
  39         int pos;
  40         int start, end;
  41         char ench;
  42         char urlbuf[SIZ];
  43         char outbuf[1024];
  44
  45         start = (-1);
  46         end = strlen(buf);
  47         ench = 0;
  48
  49         for (pos = 0; pos < strlen(buf); ++pos) {
  50                 if (!strncasecmp(&buf[pos], "http://", 7))
  51                         start = pos;
  52                 if (!strncasecmp(&buf[pos], "ftp://", 6))
  53                         start = pos;
  54         }
  55
  56         if (start < 0)
  57                 return;
  58
  59         if ((start > 0) && (buf[start - 1] == '<'))
  60                 ench = '>';
  61         if ((start > 0) && (buf[start - 1] == '['))
  62                 ench = ']';
  63         if ((start > 0) && (buf[start - 1] == '('))
  64                 ench = ')';
  65         if ((start > 0) && (buf[start - 1] == '{'))
  66                 ench = '}';
  67
  68         for (pos = strlen(buf); pos > start; --pos) {
  69                 if ((buf[pos] == ' ') || (buf[pos] == ench))
  70                         end = pos;
  71         }
  72
  73         strncpy(urlbuf, &buf[start], end - start);
  74         urlbuf[end - start] = 0;
  75
  76         strncpy(outbuf, buf, start);
  77         sprintf(&outbuf[start], "%cA HREF=%c%s%c TARGET=%c%s%c%c%s%c/A%c",
  78                 LB, QU, urlbuf, QU, QU, TARGET, QU, RB, urlbuf, LB, RB);
  79         strcat(outbuf, &buf[end]);
  80         if ( strlen(outbuf) < 250 )
  81                 strcpy(buf, outbuf);
  82 }
  83
  84
  85 /* display_vcard() calls this after parsing the textual vCard into
  86  * our 'struct vCard' data object.
  87  *
  88  * Set 'full' to nonzero to display the full card, otherwise it will only
  89  * show a summary line.
  90  */
  91 void display_parsed_vcard(struct vCard *v, int full) {
  92         int i, j;
  93         char buf[SIZ];
  94         char *name;
  95
  96         if (!full) {
  97                 wprintf("<TD>");
  98                 name = vcard_get_prop(v, "n", 1, 0, 0);
  99                 if (name != NULL) {
 100                         strcpy(buf, name);
 101                         escputs(buf);
 102                 }
 103                 else {
 104                         wprintf("&nbsp;");
 105                 }
 106                 wprintf("</TD>");
 107                 return;
 108         }
 109
 110         wprintf("<TABLE bgcolor=#888888>");
 111         if (v->numprops) for (i=0; i<(v->numprops); ++i) {
 112                 if (!strcasecmp(v->prop[i].name, "n")) {
 113                         wprintf("<TR BGCOLOR=#AAAAAA>"
 114                         "<TD BGCOLOR=#FFFFFF>"
 115                         "<IMG ALIGN=CENTER SRC=\"/static/vcard.gif\"></TD>"
 116                         "<TD><FONT SIZE=+1><B>");
 117                         escputs(v->prop[i].value);
 118                         wprintf("</B></FONT></TD></TR>\n");
 119                 }
 120                 else if (!strcasecmp(v->prop[i].name, "email;internet")) {
 121                         wprintf("<TR><TD>Internet e-mail:</TD>"
 122                                 "<TD><A HREF=\"mailto:");
 123                         urlescputs(v->prop[i].value);
 124                         wprintf("\">");
 125                         escputs(v->prop[i].value);
 126                         wprintf("</A></TD></TR>\n");
 127                 }
 128                 else if (!strcasecmp(v->prop[i].name, "adr")) {
 129                         wprintf("<TR><TD>Address:</TD><TD>");
 130                         for (j=0; j<num_tokens(v->prop[i].value, ';'); ++j) {
 131                                 extract_token(buf, v->prop[i].value, j, ';');
 132                                 if (strlen(buf) > 0) {
 133                                         escputs(buf);
 134                                         wprintf("<BR>");
 135                                 }
 136                         }
 137                         wprintf("</TD></TR>\n");
 138                 }
 139                 else if (!strncasecmp(v->prop[i].name, "tel;", 4)) {
 140                         wprintf("<TR><TD>%s telephone:</TD><TD>",
 141                                 &v->prop[i].name[4]);
 142                         for (j=0; j<num_tokens(v->prop[i].value, ';'); ++j) {
 143                                 extract_token(buf, v->prop[i].value, j, ';');
 144                                 if (strlen(buf) > 0) {
 145                                         escputs(buf);
 146                                         wprintf("<BR>");
 147                                 }
 148                         }
 149                         wprintf("</TD></TR>\n");
 150                 }
 151                 else {
 152                         wprintf("<TR><TD>");
 153                         escputs(v->prop[i].name);
 154                         wprintf("</TD><TD>");
 155                         escputs(v->prop[i].value);
 156                         wprintf("</TD></TR>\n");
 157                 }
 158         }
 159         wprintf("</TABLE>\n");
 160 }
 161
 162
 163
 164 /*
 165  * Display a textual vCard
 166  * (Converts to a vCard object and then calls the actual display function)
 167  * Set 'full' to nonzero to display the whole card instead of a one-liner
 168  */
 169 void display_vcard(char *vcard_source, char alpha, int full) {
 170         struct vCard *v;
 171         char *name;
 172         char buf[SIZ];
 173         char this_alpha = 0;
 174
 175         v = vcard_load(vcard_source);
 176         if (v == NULL) return;
 177
 178         name = vcard_get_prop(v, "n", 1, 0, 0);
 179         if (name != NULL) {
 180                 strcpy(buf, name);
 181                 this_alpha = buf[0];
 182         }
 183
 184         if ( (alpha == 0)
 185            || ((isalpha(alpha)) && (tolower(alpha) == tolower(this_alpha)) )
 186            || ((!isalpha(alpha)) && (!isalpha(this_alpha))) ) {
 187
 188                 display_parsed_vcard(v, full);
 189
 190         }
 191
 192         vcard_free(v);
 193 }
 194
 195
 196
 197
 198 /*
 199  * I wanna SEE that message!
 200  */
 201 void read_message(long msgnum) {
 202         char buf[SIZ];
 203         char mime_partnum[SIZ];
 204         char mime_filename[SIZ];
 205         char mime_content_type[SIZ];
 206         char mime_disposition[SIZ];
 207         int mime_length;
 208         char *mime_http = NULL;
 209         char m_subject[SIZ];
 210         char from[SIZ];
 211         char node[SIZ];
 212         char rfca[SIZ];
 213         char reply_to[512];
 214         char now[SIZ];
 215         int format_type = 0;
 216         int nhdr = 0;
 217         int bq = 0;
 218         char vcard_partnum[SIZ];
 219         char cal_partnum[SIZ];
 220         char *part_source = NULL;
 221
 222         strcpy(from, "");
 223         strcpy(node, "");
 224         strcpy(rfca, "");
 225         strcpy(reply_to, "");
 226         strcpy(vcard_partnum, "");
 227         strcpy(cal_partnum, "");
 228
 229         serv_printf("MSG4 %ld", msgnum);
 230         serv_gets(buf);
 231         if (buf[0] != '1') {
 232                 wprintf("<STRONG>ERROR:</STRONG> %s<BR>\n", &buf[4]);
 233                 return;
 234         }
 235
 236         wprintf("<TABLE WIDTH=100%% BORDER=0 CELLSPACING=0 "
 237                 "CELLPADDING=1 BGCOLOR=CCCCCC><TR><TD>\n");
 238
 239         wprintf("<FONT ");
 240         wprintf("SIZE=+1 ");
 241         wprintf("COLOR=\"000000\"> ");
 242         strcpy(m_subject, "");
 243
 244         while (serv_gets(buf), strcasecmp(buf, "text")) {
 245                 if (!strncasecmp(buf, "nhdr=yes", 8))
 246                         nhdr = 1;
 247                 if (nhdr == 1)
 248                         buf[0] = '_';
 249                 if (!strncasecmp(buf, "type=", 5))
 250                         format_type = atoi(&buf[5]);
 251                 if (!strncasecmp(buf, "from=", 5)) {
 252                         strcpy(from, &buf[5]);
 253                         wprintf("from <A HREF=\"/showuser&who=");
 254                         urlescputs(from);
 255                         wprintf("\">");
 256                         escputs(from);
 257                         wprintf("</A> ");
 258                 }
 259                 if (!strncasecmp(buf, "subj=", 5))
 260                         strcpy(m_subject, &buf[5]);
 261                 if ((!strncasecmp(buf, "hnod=", 5))
 262                     && (strcasecmp(&buf[5], serv_info.serv_humannode)))
 263                         wprintf("(%s) ", &buf[5]);
 264                 if ((!strncasecmp(buf, "room=", 5))
 265                     && (strcasecmp(&buf[5], WC->wc_roomname))
 266                     && (strlen(&buf[5])>0) )
 267                         wprintf("in %s> ", &buf[5]);
 268                 if (!strncasecmp(buf, "rfca=", 5)) {
 269                         strcpy(rfca, &buf[5]);
 270                         wprintf("&lt;");
 271                         escputs(rfca);
 272                         wprintf("&gt; ");
 273                 }
 274
 275                 if (!strncasecmp(buf, "node=", 5)) {
 276                         if ( ((WC->room_flags & QR_NETWORK)
 277                         || ((strcasecmp(&buf[5], serv_info.serv_nodename)
 278                         && (strcasecmp(&buf[5], serv_info.serv_fqdn)))))
 279                         && (strlen(rfca)==0)
 280                         ) {
 281                                 wprintf("@%s ", &buf[5]);
 282                         }
 283                 }
 284                 if (!strncasecmp(buf, "rcpt=", 5))
 285                         wprintf("to %s ", &buf[5]);
 286                 if (!strncasecmp(buf, "time=", 5)) {
 287                         fmt_date(now, atol(&buf[5]));
 288                         wprintf("%s ", now);
 289                 }
 290
 291                 if (!strncasecmp(buf, "part=", 5)) {
 292                         extract(mime_filename, &buf[5], 1);
 293                         extract(mime_partnum, &buf[5], 2);
 294                         extract(mime_disposition, &buf[5], 3);
 295                         extract(mime_content_type, &buf[5], 4);
 296                         mime_length = extract_int(&buf[5], 5);
 297
 298                         if (!strcasecmp(mime_disposition, "attachment")) {
 299                                 if (mime_http == NULL) {
 300                                         mime_http = malloc(512);
 301                                         strcpy(mime_http, "");
 302                                 }
 303                                 else {
 304                                         mime_http = realloc(mime_http,
 305                                                 strlen(mime_http) + 512);
 306                                 }
 307                                 sprintf(&mime_http[strlen(mime_http)],
 308                                         "<A HREF=\"/output_mimepart?"
 309                                         "msgnum=%ld&partnum=%s\" "
 310                                         "TARGET=\"wc.%ld.%s\">"
 311                                         "<IMG SRC=\"/static/attachment.gif\" "
 312                                         "BORDER=0 ALIGN=MIDDLE>\n"
 313                                         "Part %s: %s (%s, %d bytes)</A><BR>\n",
 314                                         msgnum, mime_partnum,
 315                                         msgnum, mime_partnum,
 316                                         mime_partnum, mime_filename,
 317                                         mime_content_type, mime_length);
 318                         }
 319
 320                         if ((!strcasecmp(mime_disposition, "inline"))
 321                            && (!strncasecmp(mime_content_type, "image/", 6)) ){
 322                                 if (mime_http == NULL) {
 323                                         mime_http = malloc(512);
 324                                         strcpy(mime_http, "");
 325                                 }
 326                                 else {
 327                                         mime_http = realloc(mime_http,
 328                                                 strlen(mime_http) + 512);
 329                                 }
 330                                 sprintf(&mime_http[strlen(mime_http)],
 331                                         "<IMG SRC=\"/output_mimepart?"
 332                                         "msgnum=%ld&partnum=%s\">",
 333                                         msgnum, mime_partnum);
 334                         }
 335
 336                         /*** begin handler prep ***/
 337                         if (!strcasecmp(mime_content_type, "text/x-vcard")) {
 338                                 strcpy(vcard_partnum, mime_partnum);
 339                         }
 340
 341                         if (!strcasecmp(mime_content_type, "text/calendar")) {
 342                                 strcpy(cal_partnum, mime_partnum);
 343                         }
 344
 345                         /*** end handler prep ***/
 346
 347                 }
 348
 349         }
 350
 351
 352         /* Generate a reply-to address */
 353         if (strlen(rfca) > 0) {
 354                 strcpy(reply_to, rfca);
 355         }
 356         else {
 357                 if (strlen(node) > 0) {
 358                         snprintf(reply_to, sizeof(reply_to), "%s @ %s",
 359                                 from, node);
 360                 }
 361                 else {
 362                         snprintf(reply_to, sizeof(reply_to), "%s", from);
 363                 }
 364         }
 365
 366         if (nhdr == 1) {
 367                 wprintf("****");
 368         }
 369
 370         wprintf("</FONT></TD>");
 371
 372         wprintf("<TD ALIGN=RIGHT>\n"
 373                 "<TABLE BORDER=0><TR>\n");
 374
 375         wprintf("<TD BGCOLOR=\"AAAADD\">"
 376                 "<A HREF=\"/readfwd?startmsg=%ld", msgnum);
 377         wprintf("&maxmsgs=1&summary=0\">Read</A>"
 378                 "</TD>\n", msgnum);
 379
 380         wprintf("<TD BGCOLOR=\"AAAADD\">"
 381                 "<A HREF=\"/display_enter?recp=");
 382         urlescputs(reply_to);
 383         wprintf("\"><FONT SIZE=-1>Reply</FONT></A>"
 384                 "</TD>\n", msgnum);
 385
 386         if (WC->is_room_aide) {
 387                 wprintf("<TD BGCOLOR=\"AAAADD\">"
 388                         "<A HREF=\"/confirm_move_msg"
 389                         "&msgid=%ld"
 390                         "\"><FONT SIZE=-1>Move</FONT></A>"
 391                         "</TD>\n", msgnum);
 392
 393                 wprintf("<TD BGCOLOR=\"AAAADD\">"
 394                         "<A HREF=\"/delete_msg"
 395                         "&msgid=%ld\""
 396                         "onClick=\"return confirm('Delete this message?');\""
 397                         "><FONT SIZE=-1>Del</FONT></A>"
 398                         "</TD>\n", msgnum);
 399         }
 400
 401         wprintf("</TR></TABLE>\n"
 402                 "</TD>\n");
 403
 404         if (strlen(m_subject) > 0) {
 405                 wprintf("<TR><TD><FONT COLOR=\"0000FF\">"
 406                         "Subject: %s</FONT>"
 407                         "</TD><TD>&nbsp;</TD></TR>\n", m_subject);
 408         }
 409
 410         wprintf("</TR></TABLE>\n");
 411
 412         /*
 413          * Learn the content type
 414          */
 415         strcpy(mime_content_type, "text/plain");
 416         while (serv_gets(buf), (strlen(buf) > 0)) {
 417                 if (!strncasecmp(buf, "Content-type: ", 14)) {
 418                         safestrncpy(mime_content_type, &buf[14],
 419                                 sizeof(mime_content_type));
 420                 }
 421         }
 422
 423         /* Messages in legacy Citadel variformat get handled thusly... */
 424         if (!strcasecmp(mime_content_type, "text/x-citadel-variformat")) {
 425                 fmout(NULL);
 426         }
 427
 428         /* Boring old 80-column fixed format text gets handled this way... */
 429         else if (!strcasecmp(mime_content_type, "text/plain")) {
 430                 while (serv_gets(buf), strcmp(buf, "000")) {
 431                         while ((strlen(buf) > 0) && (isspace(buf[strlen(buf) - 1])))
 432                                 buf[strlen(buf) - 1] = 0;
 433                         if ((bq == 0) &&
 434                         ((!strncmp(buf, ">", 1)) || (!strncmp(buf, " >", 2)) || (!strncmp(buf, " :-)", 4)))) {
 435                                 wprintf("<FONT COLOR=\"000044\"><I>");
 436                                 bq = 1;
 437                         } else if ((bq == 1) &&
 438                                 (strncmp(buf, ">", 1)) && (strncmp(buf, " >", 2)) && (strncmp(buf, " :-)", 4))) {
 439                                 wprintf("</FONT></I>");
 440                                 bq = 0;
 441                         }
 442                         wprintf("<TT>");
 443                         url(buf);
 444                         escputs(buf);
 445                         wprintf("</TT><BR>\n");
 446                 }
 447                 wprintf("</I><BR>");
 448         }
 449
 450         else /* HTML is fun, but we've got to strip it first */
 451         if (!strcasecmp(mime_content_type, "text/html")) {
 452                 output_html();
 453         }
 454
 455         /* Unknown weirdness */
 456         else {
 457                 wprintf("I don't know how to display %s<BR>\n",
 458                         mime_content_type);
 459                 while (serv_gets(buf), strcmp(buf, "000")) { }
 460         }
 461
 462
 463         /* Afterwards, offer links to download attachments 'n' such */
 464         if (mime_http != NULL) {
 465                 wprintf("%s", mime_http);
 466                 free(mime_http);
 467         }
 468
 469         /* Handler for vCard parts */
 470         if (strlen(vcard_partnum) > 0) {
 471                 part_source = load_mimepart(msgnum, vcard_partnum);
 472                 if (part_source != NULL) {
 473
 474                         /* If it's my vCard I can edit it */
 475                         if ( (!strcasecmp(WC->wc_roomname, USERCONFIGROOM))
 476                            || (!strcasecmp(&WC->wc_roomname[11], USERCONFIGROOM))) {
 477                                 wprintf("<A HREF=\"/edit_vcard?"
 478                                         "msgnum=%ld&partnum=%s\">",
 479                                         msgnum, vcard_partnum);
 480                                 wprintf("(edit)</A>");
 481                         }
 482
 483                         /* In all cases, display the full card */
 484                         display_vcard(part_source, 0, 1);
 485                 }
 486         }
 487
 488         /* Handler for calendar parts */
 489         if (strlen(cal_partnum) > 0) {
 490                 part_source = load_mimepart(msgnum, cal_partnum);
 491                 if (part_source != NULL) {
 492                         cal_process_attachment(part_source,
 493                                                 msgnum, cal_partnum);
 494                 }
 495         }
 496
 497         if (part_source) {
 498                 free(part_source);
 499                 part_source = NULL;
 500         }
 501
 502 }
 503
 504
 505 void summarize_message(long msgnum) {
 506         char buf[SIZ];
 507
 508         struct {
 509                 char date[SIZ];
 510                 char from[SIZ];
 511                 char to[SIZ];
 512                 char subj[SIZ];
 513                 int hasattachments;
 514         } summ;
 515
 516         memset(&summ, 0, sizeof(summ));
 517         strcpy(summ.subj, "(no subject)");
 518
 519         sprintf(buf, "MSG0 %ld|1", msgnum);     /* ask for headers only */
 520         serv_puts(buf);
 521         serv_gets(buf);
 522         if (buf[0] != '1') return;
 523
 524         while (serv_gets(buf), strcmp(buf, "000")) {
 525                 if (!strncasecmp(buf, "from=", 5)) {
 526                         strcpy(summ.from, &buf[5]);
 527                 }
 528                 if (!strncasecmp(buf, "subj=", 5)) {
 529                         strcpy(summ.subj, &buf[5]);
 530                 }
 531                 if (!strncasecmp(buf, "rfca=", 5)) {
 532                         strcat(summ.from, " <");
 533                         strcat(summ.from, &buf[5]);
 534                         strcat(summ.from, ">");
 535                 }
 536
 537                 if (!strncasecmp(buf, "node=", 5)) {
 538                         if ( ((WC->room_flags & QR_NETWORK)
 539                         || ((strcasecmp(&buf[5], serv_info.serv_nodename)
 540                         && (strcasecmp(&buf[5], serv_info.serv_fqdn)))))
 541                         ) {
 542                                 strcat(summ.from, " @ ");
 543                                 strcat(summ.from, &buf[5]);
 544                         }
 545                 }
 546
 547                 if (!strncasecmp(buf, "rcpt=", 5)) {
 548                         strcpy(summ.to, &buf[5]);
 549                 }
 550
 551                 if (!strncasecmp(buf, "time=", 5)) {
 552                         fmt_date(summ.date, atol(&buf[5]));
 553                 }
 554         }
 555
 556         wprintf("<TD><A HREF=\"/readfwd?startmsg=%ld"
 557                 "&maxmsgs=1&summary=0\">",
 558                 msgnum);
 559         escputs(summ.subj);
 560         wprintf("</A></TD><TD>");
 561         escputs(summ.from);
 562         wprintf(" </TD><TD>");
 563         escputs(summ.date);
 564         wprintf(" </TD>");
 565         wprintf("<TD>"
 566                 "<INPUT TYPE=\"checkbox\" NAME=\"msg_%ld\" VALUE=\"yes\">"
 567                 "</TD>\n");
 568
 569         return;
 570 }
 571
 572
 573
 574 void display_addressbook(long msgnum, char alpha) {
 575         char buf[SIZ];
 576         char mime_partnum[SIZ];
 577         char mime_filename[SIZ];
 578         char mime_content_type[SIZ];
 579         char mime_disposition[SIZ];
 580         int mime_length;
 581         char vcard_partnum[SIZ];
 582         char *vcard_source = NULL;
 583
 584         struct {
 585                 char date[SIZ];
 586                 char from[SIZ];
 587                 char to[SIZ];
 588                 char subj[SIZ];
 589                 int hasattachments;
 590         } summ;
 591
 592         memset(&summ, 0, sizeof(summ));
 593         strcpy(summ.subj, "(no subject)");
 594
 595         sprintf(buf, "MSG0 %ld|1", msgnum);     /* ask for headers only */
 596         serv_puts(buf);
 597         serv_gets(buf);
 598         if (buf[0] != '1') return;
 599
 600         while (serv_gets(buf), strcmp(buf, "000")) {
 601                 if (!strncasecmp(buf, "part=", 5)) {
 602                         extract(mime_filename, &buf[5], 1);
 603                         extract(mime_partnum, &buf[5], 2);
 604                         extract(mime_disposition, &buf[5], 3);
 605                         extract(mime_content_type, &buf[5], 4);
 606                         mime_length = extract_int(&buf[5], 5);
 607
 608                         if (!strcasecmp(mime_content_type, "text/x-vcard")) {
 609                                 strcpy(vcard_partnum, mime_partnum);
 610                         }
 611
 612                 }
 613         }
 614
 615         if (strlen(vcard_partnum) > 0) {
 616                 vcard_source = load_mimepart(msgnum, vcard_partnum);
 617                 if (vcard_source != NULL) {
 618
 619                         /* Display the summary line */
 620                         display_vcard(vcard_source, alpha, 0);
 621
 622                         /* If it's my vCard I can edit it */
 623                         if ( (!strcasecmp(WC->wc_roomname, USERCONFIGROOM))
 624                            || (!strcasecmp(&WC->wc_roomname[11], USERCONFIGROOM))) {
 625                                 wprintf("<A HREF=\"/edit_vcard?"
 626                                         "msgnum=%ld&partnum=%s\">",
 627                                         msgnum, vcard_partnum);
 628                                 wprintf("(edit)</A>");
 629                         }
 630
 631                         free(vcard_source);
 632                 }
 633         }
 634
 635 }
 636
 637
 638
 639 /*
 640  * load message pointers from the server
 641  */
 642 int load_msg_ptrs(char *servcmd)
 643 {
 644         char buf[SIZ];
 645         int nummsgs;
 646
 647         nummsgs = 0;
 648         serv_puts(servcmd);
 649         serv_gets(buf);
 650         if (buf[0] != '1') {
 651                 wprintf("<EM>%s</EM><BR>\n", &buf[4]);
 652                 return (nummsgs);
 653         }
 654         while (serv_gets(buf), strcmp(buf, "000")) {
 655                 WC->msgarr[nummsgs] = atol(buf);
 656                 /* FIXME check for overflow */
 657                 ++nummsgs;
 658         }
 659         return (nummsgs);
 660 }
 661
 662
 663 /*
 664  * command loop for reading messages
 665  */
 666 void readloop(char *oper)
 667 {
 668         char cmd[SIZ];
 669         char buf[SIZ];
 670         int a, b, i;
 671         int nummsgs;
 672         long startmsg;
 673         int maxmsgs;
 674         int num_displayed = 0;
 675         int is_summary = 0;
 676         int is_addressbook = 0;
 677         int is_calendar = 0;
 678         int is_tasks = 0;
 679         int remaining_messages;
 680         int lo, hi;
 681         int lowest_displayed = (-1);
 682         int highest_displayed = 0;
 683         long pn_previous = 0L;
 684         long pn_current = 0L;
 685         long pn_next = 0L;
 686         int bg = 0;
 687         char alpha = 0;
 688
 689         startmsg = atol(bstr("startmsg"));
 690         maxmsgs = atoi(bstr("maxmsgs"));
 691         is_summary = atoi(bstr("summary"));
 692         if (maxmsgs == 0) maxmsgs = 20;
 693
 694         output_headers(1);
 695
 696         if (!strcmp(oper, "readnew")) {
 697                 strcpy(cmd, "MSGS NEW");
 698         } else if (!strcmp(oper, "readold")) {
 699                 strcpy(cmd, "MSGS OLD");
 700         } else {
 701                 strcpy(cmd, "MSGS ALL");
 702         }
 703
 704         /* FIXME put in the correct constant #defs */
 705         if ((WC->wc_view == 1) && (maxmsgs > 1)) {
 706                 is_summary = 1;
 707                 strcpy(cmd, "MSGS ALL");
 708                 maxmsgs = 32767;
 709         }
 710         if ((WC->wc_view == 2) && (maxmsgs > 1)) {
 711                 is_addressbook = 1;
 712                 strcpy(cmd, "MSGS ALL");
 713                 maxmsgs = 32767;
 714                 if (bstr("alpha") == NULL) {
 715                         alpha = 'A';
 716                 }
 717                 else {
 718                         strcpy(buf, bstr("alpha"));
 719                         alpha = buf[0];
 720                 }
 721
 722                 for (i='A'; i<='Z'; ++i) {
 723                         if (i == alpha) wprintf("<FONT SIZE=+2>"
 724                                                 "%c</FONT>\n", i);
 725                         else {
 726                                 wprintf("<A HREF=\"/readfwd?alpha=%c\">"
 727                                         "%c</A>\n", i, i);
 728                         }
 729                         wprintf("&nbsp;");
 730                 }
 731                 if (!isalpha(alpha)) wprintf("<FONT SIZE=+2>(other)</FONT>\n");
 732                 else wprintf("<A HREF=\"/readfwd?alpha=1\">(other)</A>\n");
 733                 wprintf("<HR width=100%%>\n");
 734         }
 735         if (WC->wc_view == 3) {         /* calendar */
 736                 is_calendar = 1;
 737                 strcpy(cmd, "MSGS ALL");
 738                 maxmsgs = 32767;
 739         }
 740         if (WC->wc_view == 4) {         /* tasks */
 741                 is_tasks = 1;
 742                 strcpy(cmd, "MSGS ALL");
 743                 maxmsgs = 32767;
 744                 wprintf("<UL>");
 745         }
 746
 747         nummsgs = load_msg_ptrs(cmd);
 748         if (nummsgs == 0) {
 749
 750                 if ((!is_tasks) && (!is_calendar)) {
 751                         if (!strcmp(oper, "readnew")) {
 752                                 wprintf("<EM>No new messages in this room.</EM>\n");
 753                         } else if (!strcmp(oper, "readold")) {
 754                                 wprintf("<EM>No old messages in this room.</EM>\n");
 755                         } else {
 756                                 wprintf("<EM>This room is empty.</EM>\n");
 757                         }
 758                 }
 759
 760                 goto DONE;
 761         }
 762
 763         if (startmsg == 0L) startmsg = WC->msgarr[0];
 764         remaining_messages = 0;
 765
 766         for (a = 0; a < nummsgs; ++a) {
 767                 if (WC->msgarr[a] >= startmsg) {
 768                         ++remaining_messages;
 769                 }
 770         }
 771
 772         if (is_summary) {
 773                 wprintf("<FORM METHOD=\"POST\" ACTION=\"/do_stuff_to_msgs\">\n"
 774                         "<TABLE border=0 cellspacing=0 "
 775                         "cellpadding=0 width=100%%>\n"
 776                         "<TR>"
 777                         "<TD><I>Subject</I></TD>"
 778                         "<TD><I>Sender</I></TD>"
 779                         "<TD><I>Date</I></TD>"
 780                         "<TD></TD>"
 781                         "</TR>\n"
 782                 );
 783         }
 784
 785         if (is_addressbook) {
 786                 wprintf("<TABLE border=0 cellspacing=0 "
 787                         "cellpadding=0 width=100%%>\n"
 788                 );
 789         }
 790
 791         for (a = 0; a < nummsgs; ++a) {
 792                 if ((WC->msgarr[a] >= startmsg) && (num_displayed < maxmsgs)) {
 793
 794                         /* Learn which msgs "Prev" & "Next" buttons go to */
 795                         pn_current = WC->msgarr[a];
 796                         if (a > 0) pn_previous = WC->msgarr[a-1];
 797                         if (a < (nummsgs-1)) pn_next = WC->msgarr[a+1];
 798
 799                         /* If a tabular view, set up the line */
 800                         if ( (is_summary) || (is_addressbook) ) {
 801                                 bg = 1 - bg;
 802                                 wprintf("<TR BGCOLOR=%s>",
 803                                         (bg ? "DDDDDD" : "FFFFFF")
 804                                 );
 805                         }
 806
 807                         /* Display the message */
 808                         if (is_summary) {
 809                                 summarize_message(WC->msgarr[a]);
 810                         }
 811                         else if (is_addressbook) {
 812                                 display_addressbook(WC->msgarr[a], alpha);
 813                         }
 814                         else if (is_calendar) {
 815                                 display_calendar(WC->msgarr[a]);
 816                         }
 817                         else if (is_tasks) {
 818                                 display_task(WC->msgarr[a]);
 819                         }
 820                         else {
 821                                 read_message(WC->msgarr[a]);
 822                         }
 823
 824                         /* If a tabular view, finish the line */
 825                         if ( (is_summary) || (is_addressbook) ) {
 826                                 wprintf("</TR>\n");
 827                         }
 828
 829                         if (lowest_displayed < 0) lowest_displayed = a;
 830                         highest_displayed = a;
 831
 832                         ++num_displayed;
 833                         --remaining_messages;
 834                 }
 835         }
 836
 837         if (is_summary) {
 838                 wprintf("</TABLE>\n");
 839         }
 840
 841         if (is_addressbook) {
 842                 wprintf("</TABLE>\n");
 843         }
 844
 845         if (is_tasks) {
 846                 wprintf("</UL>\n");
 847         }
 848
 849         /* Bump these because although we're thinking in zero base, the user
 850          * is a drooling idiot and is thinking in one base.
 851          */
 852         ++lowest_displayed;
 853         ++highest_displayed;
 854
 855         /* If we're only looking at one message, do a prev/next thing */
 856         if (num_displayed == 1) {
 857            if ((!is_tasks) && (!is_calendar)) {
 858
 859                 wprintf("<CENTER>"
 860                         "<TABLE BORDER=0 WIDTH=100%% BGCOLOR=DDDDDD><TR><TD>"
 861                         "Reading #%d of %d messages.</TD>\n"
 862                         "<TD ALIGN=RIGHT><FONT SIZE=+1>",
 863                         lowest_displayed, nummsgs);
 864
 865                 if (is_summary) {
 866                         wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" "
 867                                 "VALUE=\"Delete selected\">\n");
 868                 }
 869
 870                 if (pn_previous > 0L) {
 871                         wprintf("<A HREF=\"/%s"
 872                                 "?startmsg=%ld"
 873                                 "&maxmsgs=1"
 874                                 "&summary=0\">"
 875                                 "Previous</A> \n",
 876                                         oper,
 877                                         pn_previous );
 878                 }
 879
 880                 if (pn_next > 0L) {
 881                         wprintf("<A HREF=\"/%s"
 882                                 "?startmsg=%ld"
 883                                 "&maxmsgs=1"
 884                                 "&summary=0\">"
 885                                 "Next</A> \n",
 886                                         oper,
 887                                         pn_next );
 888                 }
 889
 890                 wprintf("<A HREF=\"/%s?startmsg=%ld"
 891                         "&maxmsgs=999999&summary=1\">"
 892                         "Summary"
 893                         "</A>",
 894                         oper,
 895                         WC->msgarr[0]);
 896
 897                 wprintf("</TD></TR></TABLE></CENTER>\n");
 898             }
 899         }
 900
 901
 902         /*
 903          * If we're not currently looking at ALL requested
 904          * messages, then display the selector bar
 905          */
 906         if (num_displayed > 1) {
 907            if ((!is_tasks) && (!is_calendar)) {
 908                 wprintf("<CENTER>"
 909                         "<TABLE BORDER=0 WIDTH=100%% BGCOLOR=DDDDDD><TR><TD>"
 910                         "Reading #%d-%d of %d messages.</TD>\n"
 911                         "<TD ALIGN=RIGHT><FONT SIZE=+1>",
 912                         lowest_displayed, highest_displayed, nummsgs);
 913
 914                 if (is_summary) {
 915                         wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" "
 916                                 "VALUE=\"Delete selected\">\n");
 917                 }
 918
 919
 920                 for (b=0; b<nummsgs; b = b + maxmsgs) {
 921                 lo = b+1;
 922                 hi = b+maxmsgs+1;
 923                 if (hi > nummsgs) hi = nummsgs;
 924                         if (WC->msgarr[b] != startmsg) {
 925                                 wprintf("<A HREF=\"/%s"
 926                                         "?startmsg=%ld"
 927                                         "&maxmsgs=%d"
 928                                         "&summary=%d\">"
 929                                         "%d-%d</A> \n",
 930                                                 oper,
 931                                                 WC->msgarr[b],
 932                                                 maxmsgs,
 933                                                 is_summary,
 934                                                 lo, hi);
 935                         }
 936                         else {
 937                                 wprintf("%d-%d \n", lo, hi);
 938                         }
 939
 940                 }
 941                 wprintf("<A HREF=\"/%s?startmsg=%ld"
 942                         "&maxmsgs=999999&summary=%d\">"
 943                         "ALL"
 944                         "</A> ",
 945                         oper,
 946                         WC->msgarr[0], is_summary);
 947
 948                 wprintf("<A HREF=\"/%s?startmsg=%ld"
 949                         "&maxmsgs=999999&summary=1\">"
 950                         "Summary"
 951                         "</A>",
 952                         oper,
 953                         WC->msgarr[0]);
 954
 955                 wprintf("</TD></TR></TABLE></CENTER>\n");
 956             }
 957         }
 958         if (is_summary) wprintf("</FORM>\n");
 959
 960 DONE:
 961         if (is_tasks) {
 962                 wprintf("<A HREF=\"/display_edit_task?msgnum=0\">"
 963                         "Add new task</A>\n"
 964                 );
 965         }
 966
 967         if (is_calendar) {
 968                 do_calendar_view();     /* Render the calendar */
 969         }
 970
 971         wDumpContent(1);
 972 }
 973
 974
 975
 976
 977 /*
 978  * Post message (or don't post message)
 979  *
 980  * Note regarding the "dont_post" variable:
 981  * A random value (actually, it's just a timestamp) is inserted as a hidden
 982  * field called "postseq" when the display_enter page is generated.  This
 983  * value is checked when posting, using the static variable dont_post.  If a
 984  * user attempts to post twice using the same dont_post value, the message is
 985  * discarded.  This prevents the accidental double-saving of the same message
 986  * if the user happens to click the browser "back" button.
 987  */
 988 void post_message(void)
 989 {
 990         char buf[SIZ];
 991         static long dont_post = (-1L);
 992
 993         output_headers(1);
 994
 995         wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\">");
 996         strcpy(buf, bstr("sc"));
 997         if (strcasecmp(buf, "Save message")) {
 998                 wprintf("Cancelled.  Message was not posted.<BR>\n");
 999         } else if (atol(bstr("postseq")) == dont_post) {
1000                 wprintf("Automatically cancelled because you have already "
1001                         "saved this message.<BR>\n");
1002         } else {
1003                 sprintf(buf, "ENT0 1|%s|0|4|%s",
1004                         bstr("recp"),
1005                         bstr("subject") );
1006                 serv_puts(buf);
1007                 serv_gets(buf);
1008                 if (buf[0] == '4') {
1009                         serv_puts("Content-type: text/html");
1010                         serv_puts("");
1011                         text_to_server(bstr("msgtext"), 1);
1012                         serv_puts("000");
1013                         wprintf("Message has been posted.<BR>\n");
1014                         dont_post = atol(bstr("postseq"));
1015                 } else {
1016                         wprintf("<EM>%s</EM><BR>\n", &buf[4]);
1017                 }
1018         }
1019
1020         wDumpContent(1);
1021 }
1022
1023
1024
1025
1026 /*
1027  * display the message entry screen
1028  */
1029 void display_enter(void)
1030 {
1031         char buf[SIZ];
1032         long now;
1033         struct tm *tm;
1034
1035         output_headers(1);
1036
1037         wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\">");
1038
1039         sprintf(buf, "ENT0 0|%s|0|0", bstr("recp"));
1040         serv_puts(buf);
1041         serv_gets(buf);
1042
1043         if (!strncmp(buf, "570", 3)) {
1044                 if (strlen(bstr("recp")) > 0) {
1045                         wprintf("<EM>%s</EM><BR>\n", &buf[4]);
1046                 }
1047                 do_template("prompt_for_recipient");
1048                 goto DONE;
1049         }
1050         if (buf[0] != '2') {
1051                 wprintf("<EM>%s</EM><BR>\n", &buf[4]);
1052                 goto DONE;
1053         }
1054
1055         now = time(NULL);
1056         tm = (struct tm *) localtime(&now);
1057         strcpy(buf, (char *) asctime(tm));
1058         buf[strlen(buf) - 1] = 0;
1059         strcpy(&buf[16], &buf[19]);
1060         wprintf("</CENTER><FONT COLOR=\"440000\">\n"
1061                 "<IMG SRC=\"static/enter.gif\" ALIGN=MIDDLE ALT=\" \" "
1062                 "onLoad=\"document.enterform.msgtext.focus();\" >");
1063         wprintf("<B> %s ", &buf[4]);
1064         wprintf("from %s ", WC->wc_username);
1065         if (strlen(bstr("recp")) > 0)
1066                 wprintf("to %s ", bstr("recp"));
1067         wprintf("in %s&gt; ", WC->wc_roomname);
1068         wprintf("</B></FONT><BR><CENTER>\n");
1069
1070         wprintf("<FORM METHOD=\"POST\" ACTION=\"/post\" "
1071                 "NAME=\"enterform\">\n");
1072         wprintf("<INPUT TYPE=\"hidden\" NAME=\"recp\" VALUE=\"%s\">\n",
1073                 bstr("recp"));
1074         wprintf("<INPUT TYPE=\"hidden\" NAME=\"postseq\" VALUE=\"%ld\">\n",
1075                 now);
1076         wprintf("<FONT SIZE=-1>Subject (optional):</FONT>"
1077                 "<INPUT TYPE=\"text\" NAME=\"subject\" MAXLENGTH=70>"
1078                 "&nbsp;&nbsp;&nbsp;"
1079                 "<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Save message\">"
1080                 "<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Cancel\"><BR>\n");
1081
1082         wprintf("<TEXTAREA NAME=\"msgtext\" wrap=soft ROWS=30 COLS=80 "
1083                 "WIDTH=80></TEXTAREA><P>\n");
1084
1085         wprintf("</FORM></CENTER>\n");
1086 DONE:   wDumpContent(1);
1087         wprintf("</FONT>");
1088 }
1089
1090
1091
1092
1093
1094
1095
1096
1097 void delete_msg(void)
1098 {
1099         long msgid;
1100         char buf[SIZ];
1101
1102         msgid = atol(bstr("msgid"));
1103
1104         output_headers(1);
1105
1106         sprintf(buf, "DELE %ld", msgid);
1107         serv_puts(buf);
1108         serv_gets(buf);
1109         wprintf("<EM>%s</EM><BR>\n", &buf[4]);
1110
1111         wDumpContent(1);
1112 }
1113
1114
1115
1116
1117 /*
1118  * Confirm move of a message
1119  */
1120 void confirm_move_msg(void)
1121 {
1122         long msgid;
1123         char buf[SIZ];
1124         char targ[SIZ];
1125
1126         msgid = atol(bstr("msgid"));
1127
1128         output_headers(1);
1129
1130         wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=770000><TR><TD>");
1131         wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"");
1132         wprintf("<B>Confirm move of message</B>\n");
1133         wprintf("</FONT></TD></TR></TABLE>\n");
1134
1135         wprintf("<CENTER>");
1136
1137         wprintf("Please select the room to which you would like this message moved:<BR>\n");
1138
1139         wprintf("<FORM METHOD=\"POST\" ACTION=\"/move_msg\">\n");
1140         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgid\" VALUE=\"%s\">\n",
1141                 bstr("msgid"));
1142
1143
1144         wprintf("<SELECT NAME=\"target_room\" SIZE=5>\n");
1145         serv_puts("LKRA");
1146         serv_gets(buf);
1147         if (buf[0] == '1') {
1148                 while (serv_gets(buf), strcmp(buf, "000")) {
1149                         extract(targ, buf, 0);
1150                         wprintf("<OPTION>");
1151                         escputs(targ);
1152                         wprintf("\n");
1153                 }
1154         }
1155         wprintf("</SELECT>\n");
1156         wprintf("<BR>\n");
1157
1158         wprintf("<INPUT TYPE=\"submit\" NAME=\"yesno\" VALUE=\"Move\">");
1159         wprintf("<INPUT TYPE=\"submit\" NAME=\"yesno\" VALUE=\"Cancel\">");
1160         wprintf("</FORM></CENTER>\n");
1161
1162         wprintf("</CENTER>\n");
1163         wDumpContent(1);
1164 }
1165
1166
1167
1168 void move_msg(void)
1169 {
1170         long msgid;
1171         char buf[SIZ];
1172
1173         msgid = atol(bstr("msgid"));
1174
1175         output_headers(1);
1176
1177         if (!strcasecmp(bstr("yesno"), "Move")) {
1178                 sprintf(buf, "MOVE %ld|%s", msgid, bstr("target_room"));
1179                 serv_puts(buf);
1180                 serv_gets(buf);
1181                 wprintf("<EM>%s</EM><BR>\n", &buf[4]);
1182         } else {
1183                 wprintf("<EM>Message not moved.</EM><BR>\n");
1184         }
1185
1186         wDumpContent(1);
1187 }
1188
1189
1190
1191 void do_stuff_to_msgs(void) {
1192         char buf[SIZ];
1193         char sc[SIZ];
1194
1195         struct stuff_t {
1196                 struct stuff_t *next;
1197                 long msgnum;
1198         };
1199
1200         struct stuff_t *stuff = NULL;
1201         struct stuff_t *ptr;
1202
1203
1204         serv_puts("MSGS ALL");
1205         serv_gets(buf);
1206
1207         if (buf[0] == '1') while (serv_gets(buf), strcmp(buf, "000")) {
1208                 ptr = malloc(sizeof(struct stuff_t));
1209                 ptr->msgnum = atol(buf);
1210                 ptr->next = stuff;
1211                 stuff = ptr;
1212         }
1213
1214         strcpy(sc, bstr("sc"));
1215
1216         while (stuff != NULL) {
1217
1218                 sprintf(buf, "msg_%ld", stuff->msgnum);
1219                 if (!strcasecmp(bstr(buf), "yes")) {
1220
1221                         if (!strcasecmp(sc, "Delete selected")) {
1222                                 serv_printf("DELE %ld", stuff->msgnum);
1223                                 serv_gets(buf);
1224                         }
1225
1226                 }
1227
1228                 ptr = stuff->next;
1229                 free(stuff);
1230                 stuff = ptr;
1231         }
1232
1233         readloop("readfwd");
1234 }