7 /* protect against double includes */
13 * since we reference time_t...
18 #define LIBCITADEL_VERSION_NUMBER 770
21 * Here's a bunch of stupid magic to make the MIME parser portable.
28 /* Logging levels - correspond to syslog(3) */
30 /* When about to exit the server for an unrecoverable error */
31 CTDL_EMERG, /* system is unusable */
32 /* Manual intervention is required to avoid an abnormal exit */
33 CTDL_ALERT, /* action must be taken immediately */
34 /* The server can continue to run with degraded functionality */
35 CTDL_CRIT, /* critical conditions */
36 /* An error occurs but the server continues to run normally */
37 CTDL_ERR, /* error conditions */
38 /* An abnormal condition was detected; server will continue normally */
39 CTDL_WARNING, /* warning conditions */
40 /* Normal messages (login/out, activity, etc.) */
41 CTDL_NOTICE, /* normal but significant condition */
42 /* Unimportant progress messages, etc. */
43 CTDL_INFO, /* informational */
44 /* Debugging messages */
45 CTDL_DEBUG /* debug-level messages */
48 typedef enum AXLevel {
61 lastsent, /* Server internal use only */
72 typedef enum __GPEXWhichPolicy {
82 * Note that not all views are implemented in all clients.
84 #define VIEW_BBS 0 /* Bulletin board view */
85 #define VIEW_MAILBOX 1 /* Mailbox summary */
86 #define VIEW_ADDRESSBOOK 2 /* Address book view */
87 #define VIEW_CALENDAR 3 /* Calendar view */
88 #define VIEW_TASKS 4 /* Tasks view */
89 #define VIEW_NOTES 5 /* Notes view */
90 #define VIEW_WIKI 6 /* Wiki view */
91 #define VIEW_CALBRIEF 7 /* Brief Calendar view */
92 #define VIEW_JOURNAL 8 /* Journal view */
93 #define VIEW_BLOG 9 /* Blog view (not yet implemented) */
97 #define IsEmptyStr(a) ((a)[0] == '\0')
102 * another word to indicate n/a for a pointer if NULL already has a "meaning"
104 extern const char *StrBufNOTNULL;
110 char *libcitadel_version_string(void);
111 int libcitadel_version_number(void);
112 void StartLibCitadel(size_t basesize);
113 void ShutDownLibCitadel(void);
116 * MIME parser declarations
119 void extract_key(char *target, char *source, long sourcelen, char *key, long keylen, char KeyEnd);
121 void mime_parser(char *content_start, char *content_end,
134 void (*PreMultiPartCallBack)
146 void (*PostMultiPartCallBack)
164 char *fixed_partnum(char *);
165 void mime_decode(char *partnum,
166 char *part_start, size_t length,
167 char *content_type, char *charset, char *encoding,
170 char *name, char *filename,
183 void (*PreMultiPartCallBack)
195 void (*PostMultiPartCallBack)
210 void the_mime_parser(char *partnum,
211 char *content_start, char *content_end,
224 void (*PreMultiPartCallBack)
236 void (*PostMultiPartCallBack)
252 typedef struct StrBuf StrBuf;
255 #define CStrOf(a) #a, sizeof(#a) - 1
256 typedef struct _ConstStr {
260 #define CKEY(a) (a).Key, (a).len
262 StrBuf* NewStrBuf(void);
263 StrBuf* NewStrBufDup(const StrBuf *CopyMe);
264 StrBuf* NewStrBufPlain(const char* ptr, int nChars);
265 long StrBufShrinkToFit(StrBuf *Buf, int Force);
266 void ReAdjustEmptyBuf(StrBuf *Buf, long ThreshHold, long NewSize);
268 int StrBufPlain(StrBuf *Buf, const char* ptr, int nChars);
269 StrBuf* _NewConstStrBuf(const char* StringConstant, size_t SizeOfStrConstant);
270 #define NewConstStrBuf(a) _NewConstStrBuf(a, sizeof(a))
271 void FreeStrBuf (StrBuf **FreeMe);
272 char *SmashStrBuf (StrBuf **SmashMe);
273 void HFreeStrBuf (void *VFreeMe);
274 int FlushStrBuf(StrBuf *buf);
275 int FLUSHStrBuf(StrBuf *buf); /* expensive but doesn't leave content behind for others to find in case of errors */
277 const char *ChrPtr(const StrBuf *Str);
278 int StrLength(const StrBuf *Str);
279 #define SKEY(a) ChrPtr(a), StrLength(a)
280 long StrBufPeek(StrBuf *Buf, const char* ptr, long nThChar, char PeekValue);
282 int StrBufTCP_read_line(StrBuf *buf, int *fd, int append, const char **Error);
283 int StrBufReadBLOB(StrBuf *Buf, int *fd, int append, long nBytes, const char **Error);
286 int StrBufReadBLOBBuffered(StrBuf *Buf,
294 int StrBufTCP_read_buffered_line(StrBuf *Line,
298 int selectresolution,
300 int StrBufTCP_read_buffered_line_fast(StrBuf *Line,
305 int selectresolution,
308 int StrBufSipLine(StrBuf *LineBuf, StrBuf *Buf, const char **Ptr);
309 int StrBufReplaceToken(StrBuf *Buf, long where, long HowLong, const char *Repl, long ReplLen);
310 int StrBufExtract_token(StrBuf *dest, const StrBuf *Source, int parmnum, char separator);
311 int StrBufSub(StrBuf *dest, const StrBuf *Source, unsigned long Offset, size_t nChars);
313 unsigned long StrBufExtract_unsigned_long(const StrBuf* Source, int parmnum, char separator);
314 long StrBufExtract_long(const StrBuf* Source, int parmnum, char separator);
315 int StrBufExtract_int(const StrBuf* Source, int parmnum, char separator);
316 int StrBufNum_tokens(const StrBuf *source, char tok);
317 int StrBufRemove_token(StrBuf *Source, int parmnum, char separator);
319 int StrBufHaveNextToken(const StrBuf *Source, const char **pStart);
320 int StrBufExtract_NextToken(StrBuf *dest, const StrBuf *Source, const char **pStart, char separator);
321 int StrBufSkip_NTokenS(const StrBuf *Source, const char **pStart, char separator, int nTokens);
322 unsigned long StrBufExtractNext_unsigned_long(const StrBuf* Source, const char **pStart, char separator);
323 long StrBufExtractNext_long(const StrBuf* Source, const char **pStart, char separator);
324 int StrBufExtractNext_int(const StrBuf* Source, const char **pStart, char separator);
327 void StrBufAppendBufPlain(StrBuf *Buf, const char *AppendBuf, long AppendSize, unsigned long Offset);
328 void StrBufAppendBuf(StrBuf *Buf, const StrBuf *AppendBuf, unsigned long Offset);
329 size_t CurlFillStrBuf_callback(void *ptr, size_t size, size_t nmemb, void *stream);
330 void StrBufAppendPrintf(StrBuf *Buf, const char *format, ...);
331 #ifdef SHOW_ME_VAPPEND_PRINTF
332 /* so owe don't create an include depndency, this is just visible on demand. */
333 void StrBufVAppendPrintf(StrBuf *Buf, const char *format, va_list ap);
335 void StrBufPrintf(StrBuf *Buf, const char *format, ...) __attribute__((__format__(__printf__,2,3)));
336 void StrBufCutLeft(StrBuf *Buf, int nChars);
337 void StrBufCutRight(StrBuf *Buf, int nChars);
338 void StrBufCutAt(StrBuf *Buf, int AfternChars, const char *At);
339 void StrBufTrim(StrBuf *Buf);
340 void StrBufUpCase(StrBuf *Buf);
341 void StrBufLowerCase(StrBuf *Buf);
342 void StrBufStripSlashes(StrBuf *Dir, int RemoveTrailingSlash);
343 void StrBufEUid_unescapize(StrBuf *target, const StrBuf *source);
344 void StrBufEUid_escapize(StrBuf *target, const StrBuf *source);
346 void StrBufToUnixLF(StrBuf *buf);
347 void StrBufReplaceChars(StrBuf *buf, char search, char replace);
349 int CompressBuffer(StrBuf *Buf);
350 void StrBufConvert(StrBuf *ConvertBuf, StrBuf *TmpBuf, void *pic);
351 void ctdl_iconv_open(const char *tocode, const char *fromcode, void *pic);
352 void StrBuf_RFC822_to_Utf8(StrBuf *Target, const StrBuf *DecodeMe, const StrBuf* DefaultCharset, StrBuf *FoundCharset);
353 int StrBufDecodeBase64(StrBuf *Buf);
354 int StrBufDecodeHex(StrBuf *Buf);
355 int StrBufRFC2047encode(StrBuf **target, const StrBuf *source);
356 int StrBufSanitizeAscii(StrBuf *Buf, const char Mute);
357 #define LB (1) /* Internal escape chars */
360 void StrBufUrlescAppend(StrBuf *OutBuf, const StrBuf *In, const char *PlainIn);
361 void StrBufHexescAppend(StrBuf *OutBuf, const StrBuf *In, const char *PlainIn);
362 long StrEscAppend(StrBuf *Target, const StrBuf *Source, const char *PlainIn, int nbsp, int nolinebreaks);
363 long StrECMAEscAppend(StrBuf *Target, const StrBuf *Source, const char *PlainIn);
364 long StrHtmlEcmaEscAppend(StrBuf *Target, const StrBuf *Source, const char *PlainIn, int nbsp, int nolinebreaks);
365 void StrMsgEscAppend(StrBuf *Target, const StrBuf *Source, const char *PlainIn);
366 void StrIcalEscAppend(StrBuf *Target, const StrBuf *Source, const char *PlainIn);
368 long StrTol(const StrBuf *Buf);
369 int StrToi(const StrBuf *Buf);
370 int StrBufIsNumber(const StrBuf *Buf);
371 long StrBuf_Utf8StrLen(StrBuf *Buf);
372 long StrBuf_Utf8StrCut(StrBuf *Buf, int maxlen);
374 const char *GuessMimeType(const char *data, size_t dlen);
375 const char* GuessMimeByFilename(const char *what, size_t len);
377 /* Run once at Programstart */
378 int LoadIconDir(const char *DirName);
380 /* Select the icon for a given MIME type */
381 const char *GetIconFilename(char *MimeType, size_t len);
387 int safestrncpy(char *dest, const char *src, size_t n);
388 int num_tokens (const char *source, char tok);
389 long extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
390 long grab_token(char **dest, const char *source, int parmnum, char separator);
391 int extract_int (const char *source, int parmnum);
392 long extract_long (const char *source, int parmnum);
393 unsigned long extract_unsigned_long(const char *source, int parmnum);
394 void CtdlInitBase64Table(void);
395 size_t CtdlEncodeBase64(char *dest, const char *source, size_t sourcelen, int linebreaks);
396 int CtdlDecodeBase64(char *dest, const char *source, size_t length);
397 unsigned int decode_hex(char *Source);
398 int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen);
399 void StripSlashes(char *Dir, int TrailingSlash);
400 size_t striplt(char *);
401 int haschar(const char *st, int ch);
402 void remove_token(char *source, int parmnum, char separator);
403 void fmt_date(char *buf, size_t n, time_t thetime, int seconds);
404 int is_msg_in_sequence_set(const char *mset, long msgnum);
405 const char *memreadline(const char *start, char *buf, int maxlen);
406 char *memreadlinelen(char *start, char *buf, int maxlen, int *retlen);
407 #define IsEmptyStr(a) ((a)[0] == '\0')
408 #define num_parms(source) num_tokens(source,(char)'|')
409 int stripout(char *str, char leftboundary, char rightboundary);
410 void stripallbut(char *str, char leftboundary, char rightboundary);
411 char *myfgets(char *s, int size, FILE *stream);
412 void urlesc(char *outbuf, size_t oblen, char *strbuf);
413 char *CtdlTempFileName(char *prefix1, int prefix2);
414 FILE *CtdlTempFile(void);
415 void generate_uuid(char *buf);
416 const char *bmstrcasestr(const char *text, const char *pattern);
417 const char *bmstrcasestr_len(const char *text, size_t textlen, const char *pattern, size_t patlen);
418 void CtdlMakeTempFileName(char *name, int len);
419 char *rfc2047encode(char *line, long length);
420 int is_msg_in_mset(const char *mset, long msgnum);
421 int pattern2(char *search, char *patn);
422 void stripltlen(char *, int *);
423 char *html_to_ascii(char *inputmsg, int msglen, int screenwidth, int do_citaformat);
424 void LoadEntityList(char *FileName);
430 #define CTDL_VCARD_MAGIC 0xa1f9
432 /* This data structure represents a vCard object currently in memory. */
443 struct vCard *vcard_new(void);
444 void vcard_add_prop(struct vCard *v, char *propname, char *propvalue);
445 struct vCard *vcard_load(char *vtext);
446 struct vCard *VCardLoad(StrBuf *vbtext);
448 void vcard_free(struct vCard *);
449 void vcard_set_prop(struct vCard *v, char *name, char *value, int append);
450 char *vcard_get_prop(struct vCard *v, char *propname, int is_partial,
451 int instance, int return_propname);
452 char *vcard_serialize(struct vCard *);
453 void vcard_fn_to_n(char *vname, char *n, size_t vname_size);
454 void remove_charset_attribute(char *strbuf);
455 long StrBufUnescape(StrBuf *Buf, int StripBlanks);
458 * Hash list implementation for Citadel
460 #define HKEY(a) a, (sizeof(a) - 1)
462 typedef struct HashList HashList;
464 typedef struct HashKey HashKey;
466 typedef struct HashPos HashPos;
468 typedef void (*DeleteHashDataFunc)(void * Data);
469 typedef const char *(*PrintHashContent)(void * Data);
470 typedef int (*CompareFunc)(const void* Item1, const void*Item2);
471 typedef int (*HashFunc)(const char *Str, long Len);
472 typedef void (*TransitionFunc) (void *Item1, void *Item2, int Odd);
473 typedef void (*PrintHashDataFunc) (const char *Key, void *Item, int Odd);
475 int Flathash(const char *str, long len);
476 #define IKEY(a) (const char*) &a, sizeof(a)
478 HashList *NewHash(int Uniq, HashFunc F);
479 void DeleteHash(HashList **Hash);
480 void HDeleteHash(void *vHash);
481 int GetHash(HashList *Hash, const char *HKey, long HKLen, void **Data);
482 void Put(HashList *Hash, const char *HKey, long HKLen, void *Data, DeleteHashDataFunc DeleteIt);
483 int GetKey(HashList *Hash, char *HKey, long HKLen, void **Data);
484 int GetHashKeys(HashList *Hash, char ***List);
485 int dbg_PrintHash(HashList *Hash, PrintHashContent first, PrintHashContent Second);
486 int PrintHash(HashList *Hash, TransitionFunc Trans, PrintHashDataFunc PrintEntry);
487 HashPos *GetNewHashPos(HashList *Hash, int StepWidth);
488 int GetHashPosFromKey(HashList *Hash, const char *HKey, long HKLen, HashPos *At);
489 int DeleteEntryFromHash(HashList *Hash, HashPos *At);
490 int GetHashPosCounter(HashList *Hash, HashPos *At);
491 void DeleteHashPos(HashPos **DelMe);
492 int GetNextHashPos(HashList *Hash, HashPos *At, long *HKLen, const char **HashKey, void **Data);
493 int GetHashAt(HashList *Hash,long At, long *HKLen, const char **HashKey, void **Data);
494 void SortByHashKey(HashList *Hash, int Order);
495 void SortByHashKeyStr(HashList *Hash);
496 int GetCount(HashList *Hash);
497 const void *GetSearchPayload(const void *HashVoid);
498 void SortByPayload(HashList *Hash, CompareFunc SortBy);
499 void generic_free_handler(void *ptr);
500 void reference_free_handler(void *ptr);
501 int HashLittle(const void *key, size_t length);
504 void convert_spaces_to_underscores(char *str);
507 * Convert 4 bytes char into an Integer.
508 * usefull for easy inexpensive hashing
509 * of for char strings.
511 #define CHAR4TO_INT(a) ((int) (a[0] | (a[1]<<8) | (a[2]<<16) | (a[3]<<24)))
513 /* vNote implementation */
515 #define CTDL_VNOTE_MAGIC 0xa1fa
533 struct vnote *vnote_new(void);
534 struct vnote *vnote_new_from_str(char *s);
535 void vnote_free(struct vnote *v);
536 char *vnote_serialize(struct vnote *v);
537 void vnote_serialize_output_field(char *append_to, char *field, char *label);
543 * Create JSON style structures in C plus serialize them to one string
546 typedef struct JsonValue JsonValue;
549 void DeleteJSONValue(void *vJsonValue);
551 JsonValue *NewJsonObject(const char *Key, long keylen);
553 JsonValue *NewJsonArray(const char *Key, long keylen);
555 JsonValue *NewJsonNumber(const char *Key, long keylen, long Number);
557 JsonValue *NewJsonBigNumber(const char *Key, long keylen, double Number);
559 JsonValue *NewJsonString(const char *Key, long keylen, StrBuf *CopyMe);
561 JsonValue *NewJsonPlainString(const char *Key, long keylen, const char *CopyMe, long len);
563 JsonValue *NewJsonNull(const char *Key, long keylen);
565 JsonValue *NewJsonBool(const char *Key, long keylen, int value);
567 void JsonArrayAppend(JsonValue *Array, JsonValue *Val);
569 void JsonObjectAppend(JsonValue *Array, JsonValue *Val);
571 void SerializeJson(StrBuf *Target, JsonValue *Val, int FreeVal);
576 * Citadels Wildfire implementation, see
577 * http://www.firephp.org/Wiki/Reference/Protocol
578 * and http://wildfirehq.org/ for details
580 typedef void (*AddHeaderFunc)(const char *HdrName, const char *HdrValue);
582 typedef enum _WF_MessageType {
591 JsonValue *WildFireException(const char *Filename, long FileLen,
596 void WildFireAddArray(JsonValue *ReportBase, JsonValue *Array, WF_MessageType Type);
598 JsonValue *WildFireMessagePlain(const char *Filename, long fnlen,
600 const char *Message, long len,
601 WF_MessageType Type);
603 JsonValue *WildFireMessage(const char *Filename, long fnlen,
606 WF_MessageType Type);
608 void WildFireInitBacktrace(const char *argvNull, int AddBaseFrameSkip);
610 void WildFireSerializePayload(StrBuf *JsonBuffer, StrBuf *OutBuf, int *MsgCount, AddHeaderFunc AddHdr);
613 #define WF_STRUCTINDEX "1"
617 #endif // LIBCITADEL_H