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