webcit/msg_renderers.c

   1 /*----------------------------------------------------------------------------*/
   2 #include "webcit.h"
   3 #include "webserver.h"
   4
   5 /**
   6  * message index functions
   7  */
   8
   9 void DestroyMimeParts(wc_mime_attachment *Mime)
  10 {
  11         FreeStrBuf(&Mime->Name);
  12         FreeStrBuf(&Mime->FileName);
  13         FreeStrBuf(&Mime->PartNum);
  14         FreeStrBuf(&Mime->Disposition);
  15         FreeStrBuf(&Mime->ContentType);
  16         FreeStrBuf(&Mime->Charset);
  17         FreeStrBuf(&Mime->Data);
  18 }
  19
  20 void DestroyMime(void *vMime)
  21 {
  22         wc_mime_attachment *Mime = (wc_mime_attachment*)vMime;
  23         DestroyMimeParts(Mime);
  24         free(Mime);
  25 }
  26
  27 void DestroyMessageSummary(void *vMsg)
  28 {
  29         message_summary *Msg = (message_summary*) vMsg;
  30
  31         FreeStrBuf(&Msg->from);
  32         FreeStrBuf(&Msg->to);
  33         FreeStrBuf(&Msg->subj);
  34         FreeStrBuf(&Msg->reply_inreplyto);
  35         FreeStrBuf(&Msg->reply_references);
  36         FreeStrBuf(&Msg->cccc);
  37         FreeStrBuf(&Msg->hnod);
  38         FreeStrBuf(&Msg->AllRcpt);
  39         FreeStrBuf(&Msg->Room);
  40         FreeStrBuf(&Msg->Rfca);
  41         FreeStrBuf(&Msg->OtherNode);
  42
  43         FreeStrBuf(&Msg->reply_to);
  44
  45         DeleteHash(&Msg->Attachments);  /**< list of Accachments */
  46         DeleteHash(&Msg->Submessages);
  47         DeleteHash(&Msg->AttachLinks);
  48         DeleteHash(&Msg->AllAttach);
  49         free(Msg);
  50 }
  51
  52
  53
  54 void RegisterMsgHdr(const char *HeaderName, long HdrNLen, ExamineMsgHeaderFunc evaluator, int type)
  55 {
  56         headereval *ev;
  57         ev = (headereval*) malloc(sizeof(headereval));
  58         ev->evaluator = evaluator;
  59         ev->Type = type;
  60         Put(MsgHeaderHandler, HeaderName, HdrNLen, ev, NULL);
  61 }
  62
  63 void RegisterMimeRenderer(const char *HeaderName, long HdrNLen, RenderMimeFunc MimeRenderer)
  64 {
  65         Put(MimeRenderHandler, HeaderName, HdrNLen, MimeRenderer, reference_free_handler);
  66
  67 }
  68
  69 /*----------------------------------------------------------------------------*/
  70
  71
  72 void examine_nhdr(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
  73 {
  74         Msg->nhdr = 0;
  75         if (!strncasecmp(ChrPtr(HdrLine), "yes", 8))
  76                 Msg->nhdr = 1;
  77 }
  78 int Conditional_ANONYMOUS_MESSAGE(WCTemplateToken *Tokens, void *Context, int ContextType)
  79 {
  80         message_summary *Msg = (message_summary*) Context;
  81         return Msg->nhdr != 0;
  82 }
  83
  84
  85 void examine_type(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
  86 {
  87         Msg->format_type = StrToi(HdrLine);
  88
  89 }
  90
  91 void examine_from(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
  92 {
  93         FreeStrBuf(&Msg->from);
  94         Msg->from = NewStrBufPlain(NULL, StrLength(HdrLine));
  95         StrBuf_RFC822_to_Utf8(Msg->from, HdrLine, WC->DefaultCharset, FoundCharset);
  96 }
  97 void tmplput_MAIL_SUMM_FROM(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
  98 {
  99         message_summary *Msg = (message_summary*) Context;
 100         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, Msg->from, 0);
 101 }
 102
 103
 104
 105 void examine_subj(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 106 {
 107         FreeStrBuf(&Msg->subj);
 108         Msg->subj = NewStrBufPlain(NULL, StrLength(HdrLine));
 109         StrBuf_RFC822_to_Utf8(Msg->subj, HdrLine, WC->DefaultCharset, FoundCharset);
 110 }
 111 void tmplput_MAIL_SUMM_SUBJECT(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 112 {/////TODO: Fwd: and RE: filter!!
 113         message_summary *Msg = (message_summary*) Context;
 114         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, Msg->subj, 0);
 115 }
 116
 117
 118 void examine_msgn(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 119 {
 120         FreeStrBuf(&Msg->reply_inreplyto);
 121         Msg->reply_inreplyto = NewStrBufPlain(NULL, StrLength(HdrLine));
 122         StrBuf_RFC822_to_Utf8(Msg->reply_inreplyto, HdrLine, WC->DefaultCharset, FoundCharset);
 123 }
 124 void tmplput_MAIL_SUMM_INREPLYTO(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 125 {
 126         message_summary *Msg = (message_summary*) Context;
 127         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, Msg->reply_inreplyto, 0);
 128 }
 129
 130 int Conditional_MAIL_SUMM_UNREAD(WCTemplateToken *Tokens, void *Context, int ContextType)
 131 {
 132         message_summary *Msg = (message_summary*) Context;
 133         return Msg->is_new != 0;
 134 }
 135
 136 void examine_wefw(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 137 {
 138         FreeStrBuf(&Msg->reply_references);
 139         Msg->reply_references = NewStrBufPlain(NULL, StrLength(HdrLine));
 140         StrBuf_RFC822_to_Utf8(Msg->reply_references, HdrLine, WC->DefaultCharset, FoundCharset);
 141 }
 142 void tmplput_MAIL_SUMM_REFIDS(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 143 {
 144         message_summary *Msg = (message_summary*) Context;
 145         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, Msg->reply_references, 0);
 146 }
 147
 148
 149 void examine_cccc(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 150 {
 151         FreeStrBuf(&Msg->cccc);
 152         Msg->cccc = NewStrBufPlain(NULL, StrLength(HdrLine));
 153         StrBuf_RFC822_to_Utf8(Msg->cccc, HdrLine, WC->DefaultCharset, FoundCharset);
 154         if (Msg->AllRcpt == NULL)
 155                 Msg->AllRcpt = NewStrBufPlain(NULL, StrLength(HdrLine));
 156         if (StrLength(Msg->AllRcpt) > 0) {
 157                 StrBufAppendBufPlain(Msg->AllRcpt, HKEY(", "), 0);
 158         }
 159         StrBufAppendBuf(Msg->AllRcpt, Msg->cccc, 0);
 160 }
 161 void tmplput_MAIL_SUMM_CCCC(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 162 {
 163         message_summary *Msg = (message_summary*) Context;
 164         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, Msg->cccc, 0);
 165 }
 166
 167
 168
 169
 170 void examine_room(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 171 {
 172         if ((StrLength(HdrLine) > 0) &&
 173             (strcasecmp(ChrPtr(HdrLine), WC->wc_roomname))) {
 174                 FreeStrBuf(&Msg->Room);
 175                 Msg->Room = NewStrBufDup(HdrLine);
 176         }
 177 }
 178 void tmplput_MAIL_SUMM_ORGROOM(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 179 {
 180         message_summary *Msg = (message_summary*) Context;
 181         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, Msg->Room, 0);
 182 }
 183
 184
 185 void examine_rfca(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 186 {
 187         FreeStrBuf(&Msg->Rfca);
 188         Msg->Rfca = NewStrBufDup(HdrLine);
 189 }
 190 void tmplput_MAIL_SUMM_RFCA(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 191 {
 192         message_summary *Msg = (message_summary*) Context;
 193         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, Msg->Rfca, 0);
 194 }
 195 int Conditional_MAIL_SUMM_RFCA(WCTemplateToken *Tokens, void *Context, int ContextType)
 196 {
 197         message_summary *Msg = (message_summary*) Context;
 198         return StrLength(Msg->Rfca) > 0;
 199 }
 200
 201 void examine_node(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 202 {
 203         if ( (StrLength(HdrLine) > 0) &&
 204              ((WC->room_flags & QR_NETWORK)
 205               || ((strcasecmp(ChrPtr(HdrLine), serv_info.serv_nodename)
 206                    && (strcasecmp(ChrPtr(HdrLine), serv_info.serv_fqdn)))))) {
 207                 FreeStrBuf(&Msg->OtherNode);
 208                 Msg->OtherNode = NewStrBufDup(HdrLine);
 209         }
 210 }
 211 void tmplput_MAIL_SUMM_OTHERNODE(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 212 {
 213         message_summary *Msg = (message_summary*) Context;
 214         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, Msg->OtherNode, 0);
 215 }
 216 int Conditional_MAIL_SUMM_OTHERNODE(WCTemplateToken *Tokens, void *Context, int ContextType)
 217 {
 218         message_summary *Msg = (message_summary*) Context;
 219         return StrLength(Msg->OtherNode) > 0;
 220 }
 221
 222
 223 void examine_rcpt(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 224 {
 225         FreeStrBuf(&Msg->to);
 226         Msg->to = NewStrBufPlain(NULL, StrLength(HdrLine));
 227         StrBuf_RFC822_to_Utf8(Msg->to, HdrLine, WC->DefaultCharset, FoundCharset);
 228         if (Msg->AllRcpt == NULL)
 229                 Msg->AllRcpt = NewStrBufPlain(NULL, StrLength(HdrLine));
 230         if (StrLength(Msg->AllRcpt) > 0) {
 231                 StrBufAppendBufPlain(Msg->AllRcpt, HKEY(", "), 0);
 232         }
 233         StrBufAppendBuf(Msg->AllRcpt, Msg->to, 0);
 234 }
 235 void tmplput_MAIL_SUMM_TO(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 236 {
 237         message_summary *Msg = (message_summary*) Context;
 238         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, Msg->to, 0);
 239 }
 240 void tmplput_MAIL_SUMM_ALLRCPT(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 241 {
 242         message_summary *Msg = (message_summary*) Context;
 243         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, Msg->AllRcpt, 0);
 244 }
 245
 246
 247
 248 void examine_time(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 249 {
 250         Msg->date = StrTol(HdrLine);
 251 }
 252 void tmplput_MAIL_SUMM_DATE_STR(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 253 {
 254         char datebuf[64];
 255         message_summary *Msg = (message_summary*) Context;
 256         webcit_fmt_date(datebuf, Msg->date, 1);
 257         StrBufAppendBufPlain(Target, datebuf, -1, 0);
 258 }
 259 void tmplput_MAIL_SUMM_DATE_NO(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 260 {
 261         message_summary *Msg = (message_summary*) Context;
 262         StrBufAppendPrintf(Target, "%ld", Msg->date, 0);
 263 }
 264
 265
 266
 267 void render_MAIL(wc_mime_attachment *Mime, StrBuf *RawData, StrBuf *FoundCharset)
 268 {
 269         Mime->Data = NewStrBufPlain(NULL, Mime->length);
 270         read_message(Mime->Data, HKEY("view_submessage"), Mime->msgnum, 0, Mime->PartNum);
 271 /*
 272         if ( (!IsEmptyStr(mime_submessages)) && (!section[0]) ) {
 273                 for (i=0; i<num_tokens(mime_submessages, '|'); ++i) {
 274                         extract_token(buf, mime_submessages, i, '|', sizeof buf);
 275                         /** use printable_view to suppress buttons * /
 276                         wprintf("<blockquote>");
 277                         read_message(Mime->msgnum, 1, ChrPtr(Mime->Section));
 278                         wprintf("</blockquote>");
 279                 }
 280         }
 281 */
 282 }
 283
 284 void render_MIME_VCard(wc_mime_attachment *Mime, StrBuf *RawData, StrBuf *FoundCharset)
 285 {
 286         MimeLoadData(Mime);
 287         if (StrLength(Mime->Data) > 0) {
 288                 StrBuf *Buf;
 289                 Buf = NewStrBuf();
 290                 /** If it's my vCard I can edit it */
 291                 if (    (!strcasecmp(WC->wc_roomname, USERCONFIGROOM))
 292                         || (!strcasecmp(&WC->wc_roomname[11], USERCONFIGROOM))
 293                         || (WC->wc_view == VIEW_ADDRESSBOOK)
 294                         ) {
 295                         StrBufAppendPrintf(Buf, "<a href=\"edit_vcard?msgnum=%ld&partnum=%s\">",
 296                                 Mime->msgnum, ChrPtr(Mime->PartNum));
 297                         StrBufAppendPrintf(Buf, "[%s]</a>", _("edit"));
 298                 }
 299
 300                 /* In all cases, display the full card */
 301                 display_vcard(Buf, ChrPtr(Mime->Data), 0, 1, NULL, Mime->msgnum);
 302                 FreeStrBuf(&Mime->Data);
 303                 Mime->Data = Buf;
 304         }
 305
 306 }
 307 void render_MIME_ICS(wc_mime_attachment *Mime, StrBuf *RawData, StrBuf *FoundCharset)
 308 {
 309         MimeLoadData(Mime);
 310         if (StrLength(Mime->Data) > 0) {
 311                 cal_process_attachment(Mime);
 312         }
 313 }
 314
 315
 316
 317 void examine_mime_part(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 318 {
 319         wc_mime_attachment *Mime;
 320         StrBuf *Buf;
 321
 322         Mime = (wc_mime_attachment*) malloc(sizeof(wc_mime_attachment));
 323         memset(Mime, 0, sizeof(wc_mime_attachment));
 324         Mime->msgnum = Msg->msgnum;
 325         Buf = NewStrBuf();
 326
 327         Mime->Name = NewStrBuf();
 328         StrBufExtract_token(Buf, HdrLine, 0, '|');
 329         StrBuf_RFC822_to_Utf8(Mime->Name, Buf, WC->DefaultCharset, FoundCharset);
 330         StrBufTrim(Mime->Name);
 331
 332         StrBufExtract_token(Buf, HdrLine, 1, '|');
 333         Mime->FileName = NewStrBuf();
 334         StrBuf_RFC822_to_Utf8(Mime->FileName, Buf, WC->DefaultCharset, FoundCharset);
 335         StrBufTrim(Mime->FileName);
 336
 337         Mime->PartNum = NewStrBuf();
 338         StrBufExtract_token(Mime->PartNum, HdrLine, 2, '|');
 339         StrBufTrim(Mime->PartNum);
 340         if (strchr(ChrPtr(Mime->PartNum), '.') != NULL)
 341                 Mime->level = 2;
 342         else
 343                 Mime->level = 1;
 344
 345         Mime->Disposition = NewStrBuf();
 346         StrBufExtract_token(Mime->Disposition, HdrLine, 3, '|');
 347
 348         Mime->ContentType = NewStrBuf();
 349         StrBufExtract_token(Mime->ContentType, HdrLine, 4, '|');
 350         StrBufTrim(Mime->ContentType);
 351         StrBufLowerCase(Mime->ContentType);
 352
 353         Mime->length = StrBufExtract_int(HdrLine, 5, '|');
 354
 355         if ( (StrLength(Mime->FileName) == 0) && (StrLength(Mime->Name) > 0) ) {
 356                 StrBufAppendBuf(Mime->FileName, Mime->Name, 0);
 357         }
 358
 359         if (StrLength(Msg->PartNum) > 0) {
 360                 StrBuf *tmp;
 361                 StrBufPrintf(Buf, "%s.%s", ChrPtr(Msg->PartNum), ChrPtr(Mime->PartNum));
 362                 tmp = Mime->PartNum;
 363                 Mime->PartNum = Buf;
 364                 Buf = tmp;
 365         }
 366
 367         if (Msg->AllAttach == NULL)
 368                 Msg->AllAttach = NewHash(1,NULL);
 369         Put(Msg->AllAttach, SKEY(Mime->PartNum), Mime, DestroyMime);
 370         FreeStrBuf(&Buf);
 371 }
 372
 373
 374 void evaluate_mime_part(message_summary *Msg, wc_mime_attachment *Mime)
 375 {
 376         void *vMimeRenderer;
 377
 378         /* just print the root-node */
 379         if ((Mime->level == 1) &&
 380             GetHash(MimeRenderHandler, SKEY(Mime->ContentType), &vMimeRenderer) &&
 381             vMimeRenderer != NULL)
 382         {
 383                 Mime->Renderer = (RenderMimeFunc) vMimeRenderer;
 384                 if (Msg->Submessages == NULL)
 385                         Msg->Submessages = NewHash(1,NULL);
 386                 Put(Msg->Submessages, SKEY(Mime->PartNum), Mime, reference_free_handler);
 387         }
 388         else if ((Mime->level == 1) &&
 389                  (!strcasecmp(ChrPtr(Mime->Disposition), "inline"))
 390                  && (!strncasecmp(ChrPtr(Mime->ContentType), "image/", 6)) ){
 391                 if (Msg->AttachLinks == NULL)
 392                         Msg->AttachLinks = NewHash(1,NULL);
 393                 Put(Msg->AttachLinks, SKEY(Mime->PartNum), Mime, reference_free_handler);
 394         }
 395         else if ((Mime->level == 1) &&
 396                  (StrLength(Mime->ContentType) > 0) &&
 397                   ( (!strcasecmp(ChrPtr(Mime->Disposition), "attachment"))
 398                     || (!strcasecmp(ChrPtr(Mime->Disposition), "inline"))
 399                     || (!strcasecmp(ChrPtr(Mime->Disposition), ""))))
 400         {
 401                 if (Msg->AttachLinks == NULL)
 402                         Msg->AttachLinks = NewHash(1,NULL);
 403                 Put(Msg->AttachLinks, SKEY(Mime->PartNum), Mime, reference_free_handler);
 404                 if (strcasecmp(ChrPtr(Mime->ContentType), "application/octet-stream") == 0) {
 405                         FlushStrBuf(Mime->ContentType);
 406                         StrBufAppendBufPlain(Mime->ContentType,
 407                                              GuessMimeByFilename(SKEY(Mime->FileName)),
 408                                              -1, 0);
 409                 }
 410         }
 411 }
 412
 413 void tmplput_MAIL_SUMM_NATTACH(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 414 {
 415         message_summary *Msg = (message_summary*) Context;
 416         StrBufAppendPrintf(Target, "%ld", GetCount(Msg->Attachments));
 417 }
 418
 419
 420
 421
 422
 423
 424
 425 void examine_hnod(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 426 {
 427         FreeStrBuf(&Msg->hnod);
 428         Msg->hnod = NewStrBufPlain(NULL, StrLength(HdrLine));
 429         StrBuf_RFC822_to_Utf8(Msg->hnod, HdrLine, WC->DefaultCharset, FoundCharset);
 430 }
 431 void tmplput_MAIL_SUMM_H_NODE(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 432 {
 433         message_summary *Msg = (message_summary*) Context;
 434         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, Msg->hnod, 0);
 435 }
 436 int Conditional_MAIL_SUMM_H_NODE(WCTemplateToken *Tokens, void *Context, int ContextType)
 437 {
 438         message_summary *Msg = (message_summary*) Context;
 439         return StrLength(Msg->hnod) > 0;
 440 }
 441
 442
 443
 444 void examine_text(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 445 {
 446         Msg->MsgBody->Data = NewStrBuf();
 447 }
 448
 449 void examine_msg4_partnum(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 450 {
 451         Msg->MsgBody->PartNum = NewStrBufDup(HdrLine);
 452         StrBufTrim(Msg->MsgBody->PartNum);/////TODO: striplt == trim?
 453 }
 454
 455 void examine_content_encoding(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 456 {
 457 ////TODO: do we care?
 458 }
 459
 460 void examine_content_lengh(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 461 {
 462         Msg->MsgBody->length = StrTol(HdrLine);
 463         Msg->MsgBody->size_known = 1;
 464 }
 465
 466 void examine_content_type(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 467 {
 468         void *vHdr;
 469         headereval *Hdr;
 470         StrBuf *Token;
 471         StrBuf *Value;
 472         const char* sem;
 473         const char *eq;
 474         int len;
 475         StrBufTrim(HdrLine);
 476         Msg->MsgBody->ContentType = NewStrBufDup(HdrLine);
 477         sem = strchr(ChrPtr(HdrLine), ';');
 478
 479         if (sem != NULL) {
 480                 Token = NewStrBufPlain(NULL, StrLength(HdrLine));
 481                 Value = NewStrBufPlain(NULL, StrLength(HdrLine));
 482                 len = sem - ChrPtr(HdrLine);
 483                 StrBufCutAt(Msg->MsgBody->ContentType, len, NULL);
 484                 while (sem != NULL) {
 485                         while (isspace(*(sem + 1)))
 486                                 sem ++;
 487                         StrBufCutLeft(HdrLine, sem - ChrPtr(HdrLine));
 488                         sem = strchr(ChrPtr(HdrLine), ';');
 489                         if (sem != NULL)
 490                                 len = sem - ChrPtr(HdrLine);
 491                         else
 492                                 len = StrLength(HdrLine);
 493                         FlushStrBuf(Token);
 494                         FlushStrBuf(Value);
 495                         StrBufAppendBufPlain(Token, ChrPtr(HdrLine), len, 0);
 496                         eq = strchr(ChrPtr(Token), '=');
 497                         if (eq != NULL) {
 498                                 len = eq - ChrPtr(Token);
 499                                 StrBufAppendBufPlain(Value, eq + 1, StrLength(Token) - len - 1, 0);
 500                                 StrBufCutAt(Token, len, NULL);
 501                                 StrBufTrim(Value);
 502                         }
 503                         StrBufTrim(Token);
 504
 505                         if (GetHash(MsgHeaderHandler, SKEY(Token), &vHdr) &&
 506                             (vHdr != NULL)) {
 507                                 Hdr = (headereval*)vHdr;
 508                                 Hdr->evaluator(Msg, Value, FoundCharset);
 509                         }
 510                         else lprintf(1, "don't know how to handle content type sub-header[%s]\n", ChrPtr(Token));
 511                 }
 512         }
 513 }
 514
 515 void tmplput_MAIL_SUMM_N(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 516 {
 517         message_summary *Msg = (message_summary*) Context;
 518         StrBufAppendPrintf(Target, "%ld", Msg->msgnum);
 519 }
 520
 521
 522
 523 int Conditional_MAIL_MIME_ALL(WCTemplateToken *Tokens, void *Context, int ContextType)
 524 {
 525         message_summary *Msg = (message_summary*) Context;
 526         return GetCount(Msg->Attachments) > 0;
 527 }
 528
 529 int Conditional_MAIL_MIME_SUBMESSAGES(WCTemplateToken *Tokens, void *Context, int ContextType)
 530 {
 531         message_summary *Msg = (message_summary*) Context;
 532         return GetCount(Msg->Submessages) > 0;
 533 }
 534
 535 int Conditional_MAIL_MIME_ATTACHLINKS(WCTemplateToken *Tokens, void *Context, int ContextType)
 536 {
 537         message_summary *Msg = (message_summary*) Context;
 538         return GetCount(Msg->AttachLinks) > 0;
 539 }
 540
 541 int Conditional_MAIL_MIME_ATTACH(WCTemplateToken *Tokens, void *Context, int ContextType)
 542 {
 543         message_summary *Msg = (message_summary*) Context;
 544         return GetCount(Msg->AllAttach) > 0;
 545 }
 546
 547
 548
 549 /*----------------------------------------------------------------------------*/
 550 void tmplput_QUOTED_MAIL_BODY(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 551 {
 552         long MsgNum;
 553         StrBuf *Buf;
 554
 555         MsgNum = LBstr(Tokens->Params[0]->Start, Tokens->Params[0]->len);
 556         Buf = NewStrBuf();
 557         read_message(Buf, HKEY("view_message_replyquote"), MsgNum, 0, NULL);
 558         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, Buf, 1);
 559         FreeStrBuf(&Buf);
 560 }
 561
 562 void tmplput_MAIL_BODY(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 563 {
 564         message_summary *Msg = (message_summary*) Context;
 565         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, Msg->MsgBody->Data, 0);
 566 }
 567
 568
 569 void render_MAIL_variformat(wc_mime_attachment *Mime, StrBuf *RawData, StrBuf *FoundCharset)
 570 {
 571         /* Messages in legacy Citadel variformat get handled thusly... */
 572         StrBuf *Target = NewStrBufPlain(NULL, StrLength(Mime->Data));
 573         FmOut(Target, "JUSTIFY", Mime->Data);
 574         FreeStrBuf(&Mime->Data);
 575         Mime->Data = Target;
 576 }
 577
 578 void render_MAIL_text_plain(wc_mime_attachment *Mime, StrBuf *RawData, StrBuf *FoundCharset)
 579 {
 580         StrBuf *cs = NULL;
 581         const char *ptr, *pte;
 582         const char *BufPtr = NULL;
 583         StrBuf *Line = NewStrBuf();
 584         StrBuf *Line1 = NewStrBuf();
 585         StrBuf *Line2 = NewStrBuf();
 586         StrBuf *Target = NewStrBufPlain(NULL, StrLength(Mime->Data));
 587         int ConvertIt = 1;
 588         int bn = 0;
 589         int bq = 0;
 590         int i, n, done = 0;
 591         long len;
 592 #ifdef HAVE_ICONV
 593         iconv_t ic = (iconv_t)(-1) ;
 594 #endif
 595
 596         if ((StrLength(Mime->Data) == 0) && (Mime->length > 0)) {
 597                 FreeStrBuf(&Mime->Data);
 598                 Mime->Data = NewStrBufPlain(NULL, Mime->length);
 599                 if (!read_message(Mime->Data, HKEY("view_submessage"), Mime->msgnum, 0, Mime->PartNum))
 600                         return;
 601         }
 602
 603         /* Boring old 80-column fixed format text gets handled this way... */
 604         if ((strcasecmp(ChrPtr(Mime->Charset), "us-ascii") == 0) &&
 605             (strcasecmp(ChrPtr(Mime->Charset), "UTF-8") == 0))
 606                 ConvertIt = 0;
 607
 608 #ifdef HAVE_ICONV
 609         if (ConvertIt) {
 610                 if (StrLength(Mime->Charset) != 0)
 611                         cs = Mime->Charset;
 612                 else if (StrLength(FoundCharset) > 0)
 613                         cs = FoundCharset;
 614                 else if (StrLength(WC->DefaultCharset) > 0)
 615                         cs = WC->DefaultCharset;
 616                 if (cs == 0) {
 617                         ConvertIt = 0;
 618                 }
 619                 else {
 620                         ctdl_iconv_open("UTF-8", ChrPtr(cs), &ic);
 621                         if (ic == (iconv_t)(-1) ) {
 622                                 lprintf(5, "%s:%d iconv_open(UTF-8, %s) failed: %s\n",
 623                                         __FILE__, __LINE__, ChrPtr(Mime->Charset), strerror(errno));
 624                         }
 625                 }
 626         }
 627 #endif
 628
 629         while ((n = StrBufSipLine(Line, Mime->Data, &BufPtr), n >= 0) && !done)
 630         {
 631                 done = n == 0;
 632                 bq = 0;
 633                 i = 0;
 634                 ptr = ChrPtr(Line);
 635                 len = StrLength(Line);
 636                 pte = ptr + len;
 637
 638                 while ((ptr < pte) &&
 639                        ((*ptr == '>') ||
 640                         isspace(*ptr)))
 641                 {
 642                         if (*ptr == '>')
 643                                 bq++;
 644                         ptr ++;
 645                         i++;
 646                 }
 647                 if (i > 0) StrBufCutLeft(Line, i);
 648
 649                 if (StrLength(Line) == 0)
 650                         continue;
 651
 652                 for (i = bn; i < bq; i++)
 653                         StrBufAppendBufPlain(Target, HKEY("<blockquote>"), 0);
 654                 for (i = bq; i < bn; i++)
 655                         StrBufAppendBufPlain(Target, HKEY("</blockquote>"), 0);
 656
 657                 if (ConvertIt == 1) {
 658                         StrBufConvert(Line, Line1, &ic);
 659                 }
 660
 661                 StrBufAppendBufPlain(Target, HKEY("<tt>"), 0);
 662                 UrlizeText(Line1, Line, Line2);
 663
 664                 StrEscAppend(Target, Line1, NULL, 0, 0);
 665                 StrBufAppendBufPlain(Target, HKEY("</tt><br />\n"), 0);
 666                 bn = bq;
 667         }
 668
 669         for (i = 0; i < bn; i++)
 670                 StrBufAppendBufPlain(Target, HKEY("</blockquote>"), 0);
 671
 672         StrBufAppendBufPlain(Target, HKEY("</i><br />"), 0);
 673 #ifdef HAVE_ICONV
 674         if (ic != (iconv_t)(-1) ) {
 675                 iconv_close(ic);
 676         }
 677 #endif
 678         FreeStrBuf(&Mime->Data);
 679         Mime->Data = Target;
 680         FreeStrBuf(&Line);
 681         FreeStrBuf(&Line1);
 682         FreeStrBuf(&Line2);
 683 }
 684
 685 void render_MAIL_html(wc_mime_attachment *Mime, StrBuf *RawData, StrBuf *FoundCharset)
 686 {
 687         StrBuf *Buf;
 688         /* HTML is fun, but we've got to strip it first */
 689         if (StrLength(Mime->Data) == 0)
 690                 return;
 691
 692         Buf = NewStrBufPlain(NULL, StrLength(Mime->Data));
 693
 694         output_html(ChrPtr(Mime->Charset),
 695                     (WC->wc_view == VIEW_WIKI ? 1 : 0),
 696                     StrToi(Mime->PartNum),
 697                     Mime->Data, Buf);
 698         FreeStrBuf(&Mime->Data);
 699         Mime->Data = Buf;
 700 }
 701
 702 void render_MAIL_UNKNOWN(wc_mime_attachment *Mime, StrBuf *RawData, StrBuf *FoundCharset)
 703 {
 704         /* Unknown weirdness */
 705         FlushStrBuf(Mime->Data);
 706         StrBufAppendBufPlain(Mime->Data, _("I don't know how to display "), -1, 0);
 707         StrBufAppendBuf(Mime->Data, Mime->ContentType, 0);
 708         StrBufAppendBufPlain(Mime->Data, HKEY("<br />\n"), 0);
 709 }
 710
 711
 712
 713
 714
 715
 716 HashList *iterate_get_mime_All(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 717 {
 718         message_summary *Msg = (message_summary*) Context;
 719         return Msg->Attachments;
 720 }
 721 HashList *iterate_get_mime_Submessages(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 722 {
 723         message_summary *Msg = (message_summary*) Context;
 724         return Msg->Submessages;
 725 }
 726 HashList *iterate_get_mime_AttachLinks(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 727 {
 728         message_summary *Msg = (message_summary*) Context;
 729         return Msg->AttachLinks;
 730 }
 731 HashList *iterate_get_mime_Attachments(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 732 {
 733         message_summary *Msg = (message_summary*) Context;
 734         return Msg->AllAttach;
 735 }
 736
 737 void tmplput_MIME_Name(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 738 {
 739         wc_mime_attachment *mime = (wc_mime_attachment*) Context;
 740         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, mime->Name, 0);
 741 }
 742
 743 void tmplput_MIME_FileName(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 744 {
 745         wc_mime_attachment *mime = (wc_mime_attachment*) Context;
 746         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, mime->FileName, 0);
 747 }
 748
 749 void tmplput_MIME_PartNum(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 750 {
 751         wc_mime_attachment *mime = (wc_mime_attachment*) Context;
 752         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, mime->PartNum, 0);
 753 }
 754
 755 void tmplput_MIME_MsgNum(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 756 {
 757         wc_mime_attachment *mime = (wc_mime_attachment*) Context;
 758         StrBufAppendPrintf(Target, "%ld", mime->msgnum);
 759 }
 760
 761 void tmplput_MIME_Disposition(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 762 {
 763         wc_mime_attachment *mime = (wc_mime_attachment*) Context;
 764         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, mime->Disposition, 0);
 765 }
 766
 767 void tmplput_MIME_ContentType(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 768 {
 769         wc_mime_attachment *mime = (wc_mime_attachment*) Context;
 770         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, mime->ContentType, 0);
 771 }
 772
 773 void examine_charset(message_summary *Msg, StrBuf *HdrLine, StrBuf *FoundCharset)
 774 {
 775         Msg->MsgBody->Charset = NewStrBufDup(HdrLine);
 776 }
 777
 778 void tmplput_MIME_Charset(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 779 {
 780         wc_mime_attachment *mime = (wc_mime_attachment*) Context;
 781         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, mime->Charset, 0);
 782 }
 783
 784 void tmplput_MIME_Data(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 785 {
 786         wc_mime_attachment *mime = (wc_mime_attachment*) Context;
 787         if (mime->Renderer != NULL)
 788                 mime->Renderer(mime, NULL, NULL);
 789         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, mime->Data, 0);
 790  /// TODO: check whether we need to load it now?
 791 }
 792
 793 void tmplput_MIME_Length(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 794 {
 795         wc_mime_attachment *mime = (wc_mime_attachment*) Context;
 796         StrBufAppendPrintf(Target, "%ld", mime->length);
 797 }
 798
 799 HashList *iterate_get_registered_Attachments(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 800 {
 801         return WC->attachments;
 802 }
 803
 804 void tmplput_ATT_Length(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 805 {
 806         wc_attachment *att = (wc_attachment*) Context;
 807         StrBufAppendPrintf(Target, "%ld", att->length);
 808 }
 809
 810 void tmplput_ATT_Contenttype(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 811 {
 812         wc_attachment *att = (wc_attachment*) Context;
 813         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, att->content_type, 0);
 814 }
 815
 816 void tmplput_ATT_FileName(StrBuf *Target, int nArgs, WCTemplateToken *Tokens, void *Context, int ContextType)
 817 {
 818         wc_attachment *att = (wc_attachment*) Context;
 819         StrBufAppendTemplate(Target, nArgs, Tokens, Context, ContextType, att->filename, 0);
 820 }
 821
 822
 823
 824
 825
 826
 827 void
 828 InitModule_MSGRENDERERS
 829 (void)
 830 {
 831         RegisterNamespace("MAIL:SUMM:DATESTR", 0, 0, tmplput_MAIL_SUMM_DATE_STR, CTX_MAILSUM);
 832         RegisterNamespace("MAIL:SUMM:DATENO",  0, 0, tmplput_MAIL_SUMM_DATE_NO,  CTX_MAILSUM);
 833         RegisterNamespace("MAIL:SUMM:N",       0, 0, tmplput_MAIL_SUMM_N,        CTX_MAILSUM);
 834         RegisterNamespace("MAIL:SUMM:FROM",    0, 2, tmplput_MAIL_SUMM_FROM,     CTX_MAILSUM);
 835         RegisterNamespace("MAIL:SUMM:TO",      0, 2, tmplput_MAIL_SUMM_TO,       CTX_MAILSUM);
 836         RegisterNamespace("MAIL:SUMM:SUBJECT", 0, 4, tmplput_MAIL_SUMM_SUBJECT,  CTX_MAILSUM);
 837         RegisterNamespace("MAIL:SUMM:NTATACH", 0, 0, tmplput_MAIL_SUMM_NATTACH,  CTX_MAILSUM);
 838         RegisterNamespace("MAIL:SUMM:CCCC", 0, 2, tmplput_MAIL_SUMM_CCCC,  CTX_MAILSUM);
 839         RegisterNamespace("MAIL:SUMM:H_NODE", 0, 2, tmplput_MAIL_SUMM_H_NODE,  CTX_MAILSUM);
 840         RegisterNamespace("MAIL:SUMM:ALLRCPT", 0, 2, tmplput_MAIL_SUMM_ALLRCPT,  CTX_MAILSUM);
 841         RegisterNamespace("MAIL:SUMM:ORGROOM", 0, 2, tmplput_MAIL_SUMM_ORGROOM,  CTX_MAILSUM);
 842         RegisterNamespace("MAIL:SUMM:RFCA", 0, 2, tmplput_MAIL_SUMM_RFCA,  CTX_MAILSUM);
 843         RegisterNamespace("MAIL:SUMM:OTHERNODE", 2, 0, tmplput_MAIL_SUMM_OTHERNODE,  CTX_MAILSUM);
 844         RegisterNamespace("MAIL:SUMM:REFIDS", 0, 0, tmplput_MAIL_SUMM_REFIDS,  CTX_MAILSUM);
 845         RegisterNamespace("MAIL:SUMM:INREPLYTO", 0, 2, tmplput_MAIL_SUMM_INREPLYTO,  CTX_MAILSUM);
 846         RegisterNamespace("MAIL:BODY", 0, 2, tmplput_MAIL_BODY,  CTX_MAILSUM);
 847         RegisterNamespace("MAIL:QUOTETEXT", 1, 2, tmplput_QUOTED_MAIL_BODY,  CTX_NONE);
 848         RegisterNamespace("ATT:SIZE", 0, 1, tmplput_ATT_Length, CTX_ATT);
 849         RegisterNamespace("ATT:TYPE", 0, 1, tmplput_ATT_Contenttype, CTX_ATT);
 850         RegisterNamespace("ATT:FILENAME", 0, 1, tmplput_ATT_FileName, CTX_ATT);
 851
 852         RegisterConditional(HKEY("MAIL:SUMM:RFCA"), 0, Conditional_MAIL_SUMM_RFCA,  CTX_MAILSUM);
 853         RegisterConditional(HKEY("COND:MAIL:SUMM:UNREAD"), 0, Conditional_MAIL_SUMM_UNREAD, CTX_MAILSUM);
 854         RegisterConditional(HKEY("COND:MAIL:SUMM:H_NODE"), 0, Conditional_MAIL_SUMM_H_NODE, CTX_MAILSUM);
 855         RegisterConditional(HKEY("COND:MAIL:SUMM:OTHERNODE"), 0, Conditional_MAIL_SUMM_OTHERNODE, CTX_MAILSUM);
 856         RegisterConditional(HKEY("COND:MAIL:ANON"), 0, Conditional_ANONYMOUS_MESSAGE, CTX_MAILSUM);
 857
 858         RegisterConditional(HKEY("COND:MAIL:MIME:ATTACH"), 0, Conditional_MAIL_MIME_ALL, CTX_MAILSUM);
 859         RegisterConditional(HKEY("COND:MAIL:MIME:ATTACH:SUBMESSAGES"), 0, Conditional_MAIL_MIME_SUBMESSAGES, CTX_MAILSUM);
 860         RegisterConditional(HKEY("COND:MAIL:MIME:ATTACH:LINKS"), 0, Conditional_MAIL_MIME_ATTACHLINKS, CTX_MAILSUM);
 861         RegisterConditional(HKEY("COND:MAIL:MIME:ATTACH:ATT"), 0, Conditional_MAIL_MIME_ATTACH, CTX_MAILSUM);
 862
 863         RegisterIterator("MAIL:MIME:ATTACH", 0, NULL, iterate_get_mime_All,
 864                          NULL, NULL, CTX_MIME_ATACH, CTX_MAILSUM);
 865         RegisterIterator("MAIL:MIME:ATTACH:SUBMESSAGES", 0, NULL, iterate_get_mime_Submessages,
 866                          NULL, NULL, CTX_MIME_ATACH, CTX_MAILSUM);
 867         RegisterIterator("MAIL:MIME:ATTACH:LINKS", 0, NULL, iterate_get_mime_AttachLinks,
 868                          NULL, NULL, CTX_MIME_ATACH, CTX_MAILSUM);
 869         RegisterIterator("MAIL:MIME:ATTACH:ATT", 0, NULL, iterate_get_mime_Attachments,
 870                          NULL, NULL, CTX_MIME_ATACH, CTX_MAILSUM);
 871
 872         RegisterNamespace("MAIL:MIME:NAME", 0, 2, tmplput_MIME_Name, CTX_MIME_ATACH);
 873         RegisterNamespace("MAIL:MIME:FILENAME", 0, 2, tmplput_MIME_FileName, CTX_MIME_ATACH);
 874         RegisterNamespace("MAIL:MIME:PARTNUM", 0, 2, tmplput_MIME_PartNum, CTX_MIME_ATACH);
 875         RegisterNamespace("MAIL:MIME:MSGNUM", 0, 2, tmplput_MIME_MsgNum, CTX_MIME_ATACH);
 876         RegisterNamespace("MAIL:MIME:DISPOSITION", 0, 2, tmplput_MIME_Disposition, CTX_MIME_ATACH);
 877         RegisterNamespace("MAIL:MIME:CONTENTTYPE", 0, 2, tmplput_MIME_ContentType, CTX_MIME_ATACH);
 878         RegisterNamespace("MAIL:MIME:CHARSET", 0, 2, tmplput_MIME_Charset, CTX_MIME_ATACH);
 879         RegisterNamespace("MAIL:MIME:LENGTH", 0, 2, tmplput_MIME_Length, CTX_MIME_ATACH);
 880         RegisterNamespace("MAIL:MIME:DATA", 0, 2, tmplput_MIME_Data, CTX_MIME_ATACH);
 881
 882         RegisterIterator("MSG:ATTACHNAMES", 0, NULL, iterate_get_registered_Attachments,
 883                          NULL, NULL, CTX_ATT, CTX_NONE);
 884
 885         RegisterMimeRenderer(HKEY("message/rfc822"), render_MAIL);
 886         RegisterMimeRenderer(HKEY("text/x-vcard"), render_MIME_VCard);
 887         RegisterMimeRenderer(HKEY("text/vcard"), render_MIME_VCard);
 888         RegisterMimeRenderer(HKEY("text/calendar"), render_MIME_ICS);
 889         RegisterMimeRenderer(HKEY("application/ics"), render_MIME_ICS);
 890
 891         RegisterMimeRenderer(HKEY("text/x-citadel-variformat"), render_MAIL_variformat);
 892         RegisterMimeRenderer(HKEY("text/plain"), render_MAIL_text_plain);
 893         RegisterMimeRenderer(HKEY("text"), render_MAIL_text_plain);
 894         RegisterMimeRenderer(HKEY("text/html"), render_MAIL_html);
 895         RegisterMimeRenderer(HKEY(""), render_MAIL_UNKNOWN);
 896
 897         RegisterMsgHdr(HKEY("nhdr"), examine_nhdr, 0);
 898         RegisterMsgHdr(HKEY("type"), examine_type, 0);
 899         RegisterMsgHdr(HKEY("from"), examine_from, 0);
 900         RegisterMsgHdr(HKEY("subj"), examine_subj, 0);
 901         RegisterMsgHdr(HKEY("msgn"), examine_msgn, 0);
 902         RegisterMsgHdr(HKEY("wefw"), examine_wefw, 0);
 903         RegisterMsgHdr(HKEY("cccc"), examine_cccc, 0);
 904         RegisterMsgHdr(HKEY("hnod"), examine_hnod, 0);
 905         RegisterMsgHdr(HKEY("room"), examine_room, 0);
 906         RegisterMsgHdr(HKEY("rfca"), examine_rfca, 0);
 907         RegisterMsgHdr(HKEY("node"), examine_node, 0);
 908         RegisterMsgHdr(HKEY("rcpt"), examine_rcpt, 0);
 909         RegisterMsgHdr(HKEY("time"), examine_time, 0);
 910         RegisterMsgHdr(HKEY("part"), examine_mime_part, 0);
 911         RegisterMsgHdr(HKEY("text"), examine_text, 1);
 912         RegisterMsgHdr(HKEY("X-Citadel-MSG4-Partnum"), examine_msg4_partnum, 0);
 913         RegisterMsgHdr(HKEY("Content-type"), examine_content_type, 0);
 914         RegisterMsgHdr(HKEY("Content-length"), examine_content_lengh, 0);
 915         RegisterMsgHdr(HKEY("Content-transfer-encoding"), examine_content_encoding, 0);
 916         RegisterMsgHdr(HKEY("charset"), examine_charset, 0);
 917 }