6 #include <sys/select.h>
18 #include <sys/types.h>
20 #include <sys/socket.h>
21 #ifdef HAVE_SYS_TIME_H
28 #include <netinet/in.h>
29 #include <arpa/inet.h>
39 #include <sys/utsname.h>
41 #include <libcitadel.h>
44 #define INADDR_NONE 0xffffffff
55 extern locale_t wc_locales[];
57 #define _(string) gettext(string)
59 #define _(string) (string)
62 #define IsEmptyStr(a) ((a)[0] == '\0')
64 * Uncomment to dump an HTTP trace to stderr
65 #define HTTP_TRACING 1
77 #include <libical/ical.h>
83 #undef PACKAGE_TARNAME
84 #undef PACKAGE_VERSION
85 #undef PACKAGE_BUGREPORT
88 ////////#include "hash.h"
91 /* Work around RedHat's b0rken OpenSSL includes */
92 #define OPENSSL_NO_KRB5
93 #include <openssl/ssl.h>
94 #include <openssl/err.h>
95 #include <openssl/rand.h>
98 #define CALENDAR_ROOM_NAME "Calendar"
99 #define PRODID "-//Citadel//NONSGML Citadel Calendar//EN"
101 #define SIZ 4096 /* generic buffer size */
103 #define TRACE fprintf(stderr, "Checkpoint: %s, %d\n", __FILE__, __LINE__)
105 #define SLEEPING 180 /* TCP connection timeout */
106 #define WEBCIT_TIMEOUT 900 /* WebCit session timeout */
107 #define PORT_NUM 2000 /* port number to listen on */
108 #define DEVELOPER_ID 0
110 #define CLIENT_VERSION 739 /* This version of WebCit */
111 #define MINIMUM_CIT_VERSION 739 /* min required Citadel ver */
112 #define LIBCITADEL_MIN 739 /* min required libcitadel ver */
113 #define DEFAULT_HOST "localhost" /* Default Citadel server */
114 #define DEFAULT_PORT "504"
115 #define TARGET "webcit01" /* Target for inline URL's */
116 #define HOUSEKEEPING 15 /* Housekeeping frequency */
117 #define MIN_WORKER_THREADS 5
118 #define MAX_WORKER_THREADS 250
119 #define LISTEN_QUEUE_LENGTH 100 /* listen() backlog queue */
121 #define USERCONFIGROOM "My Citadel Config"
122 #define DEFAULT_MAXMSGS 20
125 #ifdef LIBCITADEL_VERSION_NUMBER
126 #if LIBCITADEL_VERSION_NUMBER < LIBCITADEL_MIN
127 #error libcitadel is too old. Please upgrade it before continuing.
133 * Room flags (from Citadel)
137 #define QR_PERMANENT 1 /**< Room does not purge */
138 #define QR_INUSE 2 /**< Set if in use, clear if avail */
139 #define QR_PRIVATE 4 /**< Set for any type of private room */
140 #define QR_PASSWORDED 8 /**< Set if there's a password too */
141 #define QR_GUESSNAME 16 /**< Set if it's a guessname room */
142 #define QR_DIRECTORY 32 /**< Directory room */
143 #define QR_UPLOAD 64 /**< Allowed to upload */
144 #define QR_DOWNLOAD 128 /**< Allowed to download */
145 #define QR_VISDIR 256 /**< Visible directory */
146 #define QR_ANONONLY 512 /**< Anonymous-Only room */
147 #define QR_ANONOPT 1024 /**< Anonymous-Option room */
148 #define QR_NETWORK 2048 /**< Shared network room */
149 #define QR_PREFONLY 4096 /**< Preferred status needed to enter */
150 #define QR_READONLY 8192 /**< Aide status required to post */
151 #define QR_MAILBOX 16384 /**< Set if this is a private mailbox */
156 #define QR2_SYSTEM 1 /**< System room; hide by default */
157 #define QR2_SELFLIST 2 /**< Self-service mailing list mgmt */
158 #define QR2_COLLABDEL 4 /**< Anyone who can post can also delete*/
159 #define QR2_SUBJECTREQ 8 /**< Subject strongly recommended */
160 #define QR2_SMTP_PUBLIC 16 /* smtp public postable room */
161 #define QR2_MODERATED 32 /* Listservice aide has to permit posts */
167 #define UA_GOTOALLOWED 4
168 #define UA_HASNEWMSGS 8
173 * User flags (from Citadel)
175 #define US_NEEDVALID 1 /**< User needs to be validated */
176 #define US_PERM 4 /**< Permanent user */
177 #define US_LASTOLD 16 /**< Print last old message with new */
178 #define US_EXPERT 32 /**< Experienced user */
179 #define US_UNLISTED 64 /**< Unlisted userlog entry */
180 #define US_NOPROMPT 128 /**< Don't prompt after each message */
181 #define US_PROMPTCTL 256 /**< <N>ext & <S>top work at prompt */
182 #define US_DISAPPEAR 512 /**< Use "disappearing msg prompts" */
183 #define US_REGIS 1024 /**< Registered user */
184 #define US_PAGINATOR 2048 /**< Pause after each screen of text */
185 #define US_INTERNET 4096 /**< Internet mail privileges */
186 #define US_FLOORS 8192 /**< User wants to see floors */
187 #define US_COLOR 16384 /**< User wants ANSI color support */
188 #define US_USER_SET (US_LASTOLD | US_EXPERT | US_UNLISTED | \
189 US_NOPROMPT | US_DISAPPEAR | US_PAGINATOR | \
190 US_FLOORS | US_COLOR | US_PROMPTCTL )
193 * NLI is the string that shows up in a who's online listing for sessions
194 * that are active, but for which no user has yet authenticated.
196 #define NLI "(not logged in)"
200 * \brief Linked list of session variables encoded in an x-www-urlencoded content type
202 typedef struct urlcontent urlcontent;
204 char url_key[32]; /**< the variable name */
205 StrBuf *url_data; /**< its value */
209 * \brief information about us ???
212 int serv_pid; /* Process ID of the Citadel server */
213 char serv_nodename[32]; /* Node name of the Citadel server */
214 char serv_humannode[64]; /* human readable node name of the Citadel server */
215 char serv_fqdn[64]; /* fully quallified Domain Name (such as uncensored.citadel.org) */
216 char serv_software[64]; /* What version does our connected citadel server use */
217 int serv_rev_level; /* Whats the citadel server revision */
218 char serv_bbs_city[64]; /* Geographic location of the Citadel server */
219 char serv_sysadm[64]; /* Name of system administrator */
220 char serv_moreprompt[256]; /* Whats the commandline textprompt */
221 int serv_ok_floors; /* nonzero == server supports floors */
222 int serv_supports_ldap; /* is the server linked against an ldap tree for adresses? */
223 int serv_newuser_disabled; /* Has the server disabled self-service new user creation? */
224 char serv_default_cal_zone[128];/* Default timezone for unspecified calendar items */
225 int serv_supports_sieve; /* Does the server support Sieve mail filtering? */
226 int serv_fulltext_enabled; /* Does the server have the full text index enabled? */
227 char serv_svn_revision[256]; /* SVN revision of the server */
228 int serv_supports_openid; /* Does the server support authentication via OpenID? */
234 * \brief This struct holds a list of rooms for \\\<G\\\>oto operations.
237 struct march *next; /**< pointer to next in linked list */
238 char march_name[128]; /**< name of room */
239 int march_floor; /**< floor number of room */
240 int march_order; /**< sequence in which we are to visit this room */
244 * \brief This struct holds a list of rooms for client display.
245 * It is a binary tree.
248 struct roomlisting *lnext; /**< pointer to 'left' tree node */
249 struct roomlisting *rnext; /**< pointer to 'right' tree node */
250 char rlname[128]; /**< name of room */
251 unsigned rlflags; /**< room flags */
252 int rlfloor; /**< the floor it resides on */
253 int rlorder; /**< room listing order */
260 typedef struct _TemplateParam {
267 typedef struct _TemplateToken {
270 const char *pTokenStart;
273 const char *pTokenEnd;
282 TemplateParam *Params[MAXPARAM];
285 typedef void (*WCHandlerFunc)(StrBuf *Target, int nArgs, WCTemplateToken *Token, void *Context, int ContextType);
289 * \brief Dynamic content for variable substitution in templates
291 typedef struct _wcsubst {
292 int wcs_type; /**< which type of Substitution are we */
293 char wcs_key[32]; /**< copy of our hashkey for debugging */
294 StrBuf *wcs_value; /**< if we're a string, keep it here */
295 long lvalue; /**< type long? keep data here */
296 int ContextRequired; /**< do we require a context type? */
297 WCHandlerFunc wcs_function; /**< funcion hook ???*/
301 #define CTX_SITECFG 1
302 #define CTX_SESSION 2
303 #define CTX_INETCFG 3
307 #define CTX_NODECONF 7
308 #define CTX_USERLIST 8
310 void RegisterNS(const char *NSName, long len,
313 WCHandlerFunc HandlerFunc,
314 int ContextRequired);
315 #define RegisterNamespace(a, b, c, d, e) RegisterNS(a, sizeof(a)-1, b, c, d, e)
317 typedef int (*WCConditionalFunc)(WCTemplateToken *Token, void *Context, int ContextType);
318 typedef struct _ConditionalStruct {
321 WCConditionalFunc CondF;
323 void RegisterConditional(const char *Name, long len,
325 WCConditionalFunc CondF,
326 int ContextRequired);
330 typedef void (*SubTemplFunc)(StrBuf *TemplBuffer, void *Context, WCTemplateToken *Token);
331 typedef HashList *(*RetrieveHashlistFunc)(WCTemplateToken *Token);
332 typedef void (*HashDestructorFunc) (HashList **KillMe);
333 void RegisterITERATOR(const char *Name, long len,
334 int AdditionalParams,
335 HashList *StaticList,
336 RetrieveHashlistFunc GetHash,
337 SubTemplFunc DoSubTempl,
338 HashDestructorFunc Destructor,
340 #define RegisterIterator(a, b, c, d, e, f, g) RegisterITERATOR(a, sizeof(a)-1, b, c, d, e, f, g)
342 void SVPut(char *keyname, size_t keylen, int keytype, char *Data);
343 #define svput(a, b, c) SVPut(a, sizeof(a) - 1, b, c)
344 void SVPutLong(char *keyname, size_t keylen, long Data);
345 #define svputlong(a, b) SVPutLong(a, sizeof(a) - 1, b)
346 void svprintf(char *keyname, size_t keylen, int keytype, const char *format,...) __attribute__((__format__(__printf__,4,5)));
347 void SVPRINTF(char *keyname, int keytype, const char *format,...) __attribute__((__format__(__printf__,3,4)));
348 void SVCALLBACK(char *keyname, WCHandlerFunc fcn_ptr);
349 void SVCallback(char *keyname, size_t keylen, WCHandlerFunc fcn_ptr);
350 #define svcallback(a, b) SVCallback(a, sizeof(a) - 1, b)
352 void SVPUTBuf(const char *keyname, int keylen, const StrBuf *Buf, int ref);
353 #define SVPutBuf(a, b, c); SVPUTBuf(a, sizeof(a) - 1, b, c)
355 void DoTemplate(const char *templatename, long len, StrBuf *Target, void *Context, int ContextType);
356 #define do_template(a, b) DoTemplate(a, sizeof(a) -1, NULL, b, 0);
357 void url_do_template(void);
359 int CompareSubstToToken(TemplateParam *ParamToCompare, TemplateParam *ParamToLookup);
360 int CompareSubstToStrBuf(StrBuf *Compare, TemplateParam *ParamToLookup);
366 * \brief Values for wcs_type
369 WCS_STRING, /**< its a string */
370 WCS_FUNCTION, /**< its a function callback */
371 WCS_SERVCMD, /**< its a command to send to the citadel server */
372 WCS_STRBUF, /**< its a strbuf we own */
373 WCS_STRBUF_REF, /**< its a strbuf we mustn't free */
374 WCS_LONG /**< its an integer */
378 * \brief mail attachment ???
380 struct wc_attachment {
381 struct wc_attachment *next;/**< pointer to next in list */
382 size_t length; /**< length of the contenttype */
383 char content_type[SIZ]; /**< the content itself ???*/
384 char filename[SIZ]; /**< the filename hooked to this content ??? */
385 char *data; /**< the data pool; aka this content */
386 long lvalue; /**< if we put a long... */
390 * \brief message summary structure. ???
392 struct message_summary {
393 time_t date; /**< its creation date */
394 long msgnum; /**< the message number on the citadel server */
395 char from[128]; /**< the author */
396 char to[128]; /**< the recipient */
397 char subj[256]; /**< the title / subject */
398 int hasattachments; /**< does it have atachments? */
399 int is_new; /**< is it yet read? */
403 * \brief Data structure for roomlist-to-folderlist conversion
406 int floor; /**< which floor is it on */
407 char room[SIZ]; /**< which roomname ??? */
408 char name[SIZ]; /**< which is its own name??? */
409 int hasnewmsgs; /**< are there unread messages inside */
410 int is_mailbox; /**< is it a mailbox? */
411 int selectable; /**< can we select it ??? */
412 int view; /**< whats its default view? inbox/calendar.... */
413 int num_rooms; /**< If this is a floor, how many rooms does it have */
416 typedef struct _disp_cal {
417 icalcomponent *cal; /**< cal items for display */
418 long cal_msgnum; /**< cal msgids for display */
419 char *from; /**< owner of this component */
420 int unread; /**< already seen by the user? */
431 * \brief One of these is kept for each active Citadel session.
432 * HTTP transactions are bound to on e at a time.
435 struct wcsession *next; /**< Linked list */
436 int wc_session; /**< WebCit session ID */
437 char wc_username[128]; /**< login name of current user */
438 char wc_fullname[128]; /**< Screen name of current user */
439 char wc_password[128]; /**< Password of current user */
440 char wc_roomname[256]; /**< Room we are currently in */
441 int connected; /**< nonzero == we are connected to Citadel */
442 int logged_in; /**< nonzero == we are logged in */
443 int axlevel; /**< this user's access level */
444 int is_aide; /**< nonzero == this user is an Aide */
445 int is_room_aide; /**< nonzero == this user is a Room Aide in this room */
446 int http_sock; /**< HTTP server socket */
447 int serv_sock; /**< Client socket to Citadel server */
448 int chat_sock; /**< Client socket to Citadel server - for chat */
449 unsigned room_flags; /**< flags associated with the current room */
450 unsigned room_flags2; /**< flags associated with the current room */
451 int wc_view; /**< view for the current room */
452 int wc_default_view; /**< default view for the current room */
453 int wc_is_trash; /**< nonzero == current room is a Trash folder */
454 int wc_floor; /**< floor number of current room */
455 char ugname[128]; /**< where does 'ungoto' take us */
456 long uglsn; /**< last seen message number for ungoto */
457 int upload_length; /**< content length of http-uploaded data */
458 char *upload; /**< pointer to http-uploaded data */
459 char upload_filename[PATH_MAX]; /**< filename of http-uploaded data */
460 char upload_content_type[256]; /**< content type of http-uploaded data */
461 int new_mail; /**< user has new mail waiting */
462 int remember_new_mail; /**< last count of new mail messages */
463 int need_regi; /**< This user needs to register. */
464 int need_vali; /**< New users require validation. */
465 char cs_inet_email[256]; /**< User's preferred Internet addr. */
466 pthread_mutex_t SessionMutex; /**< mutex for exclusive access */
467 time_t lastreq; /**< Timestamp of most recent HTTP */
468 int killthis; /**< Nonzero == purge this session */
469 struct march *march; /**< march mode room list */
470 char reply_to[512]; /**< reply-to address */
471 long msgarr[10000]; /**< for read operations */
472 int num_summ; /**< number of messages in mailbox summary view */
473 struct message_summary *summ; /**< array of messages for mailbox summary view */
474 int is_mobile; /**< Client is a handheld browser */
475 HashList *urlstrings; /**< variables passed to webcit in a URL */
476 HashList *vars; /**< HTTP variable substitutions for this page */
477 char this_page[512]; /**< URL of current page */
478 char http_host[512]; /**< HTTP Host: header */
479 HashList *hash_prefs; /**< WebCit preferences for this user */
480 HashList *disp_cal_items; /**< sorted list of calendar items; startdate is the sort criteria. */
481 struct wc_attachment *first_attachment; /**< linked list of attachments for 'enter message' */
482 char last_chat_user[256]; /**< ??? todo */
483 char ImportantMessage[SIZ]; /**< ??? todo */
484 int ctdl_pid; /**< Session ID on the Citadel server */
485 char httpauth_user[256]; /**< only for GroupDAV sessions */
486 char httpauth_pass[256]; /**< only for GroupDAV sessions */
487 int gzip_ok; /**< Nonzero if Accept-encoding: gzip */
488 int is_mailbox; /**< the current room is a private mailbox */
489 struct folder *cache_fold; /**< cache the iconbar room list */
490 int cache_max_folders; /**< ??? todo */
491 int cache_num_floors; /**< ??? todo */
492 time_t cache_timestamp; /**< ??? todo */
493 HashList *IconBarSetttings; /**< which icons should be shown / not shown? */
494 long current_iconbar; /**< What is currently in the iconbar? */
495 const StrBuf *floordiv_expanded; /**< which floordiv currently expanded */
496 int selected_language; /**< Language selected by user */
497 time_t last_pager_check; /**< last time we polled for instant msgs */
498 int nonce; /**< session nonce (to prevent session riding) */
499 int time_format_cache; /**< which timeformat does our user like? */
500 StrBuf *UrlFragment1; /**< first urlfragment, if NEED_URL is specified by the handler*/
501 StrBuf *UrlFragment2; /**< second urlfragment, if NEED_URL is specified by the handler*/
502 StrBuf *WBuf; /**< Our output buffer */
503 StrBuf *HBuf; /**< Our HeaderBuffer */
504 StrBuf *CLineBuf; /**< linebuffering client stuff */
506 HashList *ServCfg; /**< cache our server config for editing */
507 HashList *InetCfg; /**< Our inet server config for editing */
510 /** values for WC->current_iconbar */
512 current_iconbar_menu, /**< view the icon menue */
513 current_iconbar_roomlist /**< view the roomtree */
522 #define num_parms(source) num_tokens(source, '|')
525 /* Per-session data */
526 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
527 extern pthread_key_t MyConKey;
529 /* Per-thread SSL context */
531 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
532 extern pthread_key_t ThreadSSL;
533 extern char ctdl_key_dir[PATH_MAX];
534 extern char file_crpt_file_key[PATH_MAX];
535 extern char file_crpt_file_csr[PATH_MAX];
536 extern char file_crpt_file_cer[PATH_MAX];
539 struct serv_info serv_info;
540 extern char floorlist[128][SIZ];
541 extern char *axdefs[];
542 extern char *ctdlhost, *ctdlport;
543 extern int http_port;
544 extern char *server_cookie;
546 extern int setup_wizard;
547 extern char wizard_filename[];
548 extern time_t if_modified_since;
549 extern int follow_xff;
550 extern HashList *HandlerHash;
551 extern HashList *PreferenceHooks;
552 extern HashList *WirelessTemplateCache;
553 extern HashList *WirelessLocalTemplateCache;
554 extern HashList *TemplateCache;
555 extern HashList *LocalTemplateCache;
556 extern HashList *GlobalNS;
557 extern HashList *Iterators;
558 extern HashList *ZoneHash;
559 extern HashList *Contitionals;
562 void InitialiseSemaphores(void);
563 void begin_critical_section(int which_one);
564 void end_critical_section(int which_one);
567 void stuff_to_cookie(char *cookie, size_t clen, int session,
568 char *user, char *pass, char *room);
569 void cookie_to_stuff(StrBuf *cookie, int *session,
570 char *user, size_t user_len,
571 char *pass, size_t pass_len,
572 char *room, size_t room_len);
573 void locate_host(char *, int);
574 void become_logged_in(char *, char *, char *);
575 void openid_manual_create(void);
576 void display_login(char *mesg);
577 void display_openids(void);
578 void do_welcome(void);
579 void do_logout(void);
580 void display_main_menu(void);
581 void display_aide_menu(void);
582 void display_advanced_menu(void);
583 void slrp_highest(void);
584 void get_serv_info(char *, char *);
585 int uds_connectsock(char *);
586 int tcp_connectsock(char *, char *);
587 int serv_getln(char *strbuf, int bufsize);
588 int StrBuf_ServGetln(StrBuf *buf);
589 void serv_puts(const char *string);
591 void who_inner_div(void);
592 void ajax_mini_calendar(void);
593 void fmout(char *align);
594 void _fmout(StrBuf *Targt, char *align);
595 void pullquote_fmout(void);
596 void wDumpContent(int);
598 /* These may return NULL if not foud */
599 #define sbstr(a) SBstr(a, sizeof(a) - 1)
600 const StrBuf *SBSTR(const char *key);
601 const StrBuf *SBstr(const char *key, size_t keylen);
603 #define xbstr(a, b) (char*) XBstr(a, sizeof(a) - 1, b)
604 const char *XBstr(const char *key, size_t keylen, size_t *len);
605 const char *XBSTR(const char *key, size_t *len);
607 #define lbstr(a) LBstr(a, sizeof(a) - 1)
608 long LBstr(const char *key, size_t keylen);
609 long LBSTR(const char *key);
611 #define ibstr(a) IBstr(a, sizeof(a) - 1)
612 int IBstr(const char *key, size_t keylen);
613 int IBSTR(const char *key);
615 #define havebstr(a) HaveBstr(a, sizeof(a) - 1)
616 int HaveBstr(const char *key, size_t keylen);
617 int HAVEBSTR(const char *key);
619 #define yesbstr(a) YesBstr(a, sizeof(a) - 1)
620 int YesBstr(const char *key, size_t keylen);
621 int YESBSTR(const char *key);
623 /* TODO: get rid of the non-const-typecast */
624 #define bstr(a) (char*) Bstr(a, sizeof(a) - 1)
625 const char *BSTR(const char *key);
626 const char *Bstr(const char *key, size_t keylen);
630 void UrlescPutStrBuf(const StrBuf *strbuf);
631 void StrEscPuts(const StrBuf *strbuf);
632 void StrEscputs1(const StrBuf *strbuf, int nbsp, int nolinebreaks);
634 void urlescputs(const char *);
635 void hurlescputs(const char *);
636 void jsesc(char *, size_t, char *);
637 void jsescputs(char *);
638 void output_headers( int do_httpheaders,
644 void wprintf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
645 void hprintf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
646 void output_static(char *what);
647 void display_mime_icon(void);
648 void print_menu_box(char* Title, char *Class, int nLines, ...);
649 long stresc(char *target, long tSize, char *strbuf, int nbsp, int nolinebreaks);
650 void escputs(char *strbuf);
651 void url(char *buf, size_t bufsize);
652 void escputs1(char *strbuf, int nbsp, int nolinebreaks);
653 void msgesc(char *target, size_t tlen, char *strbuf);
654 void msgescputs(char *strbuf);
655 void msgescputs1(char *strbuf);
656 void stripout(char *str, char leftboundary, char rightboundary);
657 void dump_vars(void);
658 void embed_main_menu(void);
659 void serv_read(char *buf, int bytes);
660 void readloop(char *oper);
661 void read_message(long msgnum, int printable_view, char *section);
662 void text_to_server(char *ptr);
663 void text_to_server_qp(char *ptr);
664 void confirm_delete_msg(void);
665 void display_success(char *);
666 void authorization_required(const char *message);
667 void server_to_text(void);
668 void save_edit(char *description, char *enter_cmd, int regoto);
669 void display_edit(char *description, char *check_cmd,
670 char *read_cmd, char *save_cmd, int with_room_banner);
671 int gotoroom(char *gname);
672 void confirm_delete_room(void);
674 void display_graphics_upload(char *, char *, char *);
675 void do_graphics_upload(char *upl_cmd);
676 void serv_read(char *buf, int bytes);
677 void serv_gets(char *strbuf);
678 void serv_write(const char *buf, int nbytes);
679 void serv_puts(const char *string);
680 void serv_putbuf(const StrBuf *string);
681 void serv_printf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
682 void load_floorlist(void);
683 void shutdown_sessions(void);
684 void do_housekeeping(void);
685 void smart_goto(char *);
686 void worker_entry(void);
687 void session_loop(HashList *HTTPHeaders, StrBuf *ReqLine, StrBuf *ReqType, StrBuf *ReadBuf);
688 size_t wc_strftime(char *s, size_t max, const char *format, const struct tm *tm);
689 void fmt_time(char *buf, time_t thetime);
690 void httpdate(char *buf, time_t thetime);
691 time_t httpdate_to_timestamp(StrBuf *buf);
692 void end_webcit_session(void);
693 void page_popup(void);
694 void http_redirect(const char *);
695 void clear_substs(struct wcsession *wc);
696 void clear_local_substs(void);
700 int lingering_close(int fd);
701 char *memreadline(char *start, char *buf, int maxlen);
702 char *memreadlinelen(char *start, char *buf, int maxlen, int *retlen);
703 long extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
704 void remove_token(char *source, int parmnum, char separator);
705 char *load_mimepart(long msgnum, char *partnum);
706 int pattern2(char *search, char *patn);
707 void do_edit_vcard(long, char *, char *, char *);
708 void striplt(char *);
709 void stripltlen(char *, int *);
710 void select_user_to_edit(char *message, char *preselect);
711 void delete_user(char *);
712 void do_change_view(int);
716 void load_preferences(void);
717 void save_preferences(void);
718 #define get_preference(a, b) get_PREFERENCE(a, sizeof(a) - 1, b)
719 #define get_pref(a, b) get_PREFERENCE(ChrPtr(a), StrLength(a), b)
720 int get_PREFERENCE(const char *key, size_t keylen, StrBuf **value);
721 #define set_preference(a, b, c) set_PREFERENCE(a, sizeof(a) - 1, b, c)
722 #define set_pref(a, b, c) set_PREFERENCE(ChrPtr(a), StrLength(a), b, c)
723 void set_PREFERENCE(const char *key, size_t keylen, StrBuf *value, int save_to_server);
725 #define get_pref_long(a, b, c) get_PREF_LONG(a, sizeof(a) - 1, b, c)
726 int get_PREF_LONG(const char *key, size_t keylen, long *value, long Default);
727 #define set_pref_long(a, b, c) set_PREF_LONG(a, sizeof(a) - 1, b, c)
728 void set_PREF_LONG(const char *key, size_t keylen, long value, int save_to_server);
730 #define get_pref_yesno(a, b, c) get_PREF_YESNO(a, sizeof(a) - 1, b, c)
731 int get_PREF_YESNO(const char *key, size_t keylen, int *value, int Default);
732 #define set_pref_yesno(a, b, c) set_PREF_YESNO(a, sizeof(a) - 1, b, c)
733 void set_PREF_YESNO(const char *key, size_t keylen, int value, int save_to_server);
735 #define get_room_pref(a) get_ROOM_PREFS(a, sizeof(a) - 1)
736 StrBuf *get_ROOM_PREFS(const char *key, size_t keylen);
738 #define set_room_pref(a, b, c) set_ROOM_PREFS(a, sizeof(a) - 1, b, c)
739 void set_ROOM_PREFS(const char *key, size_t keylen, StrBuf *value, int save_to_server);
741 int is_msg_in_mset(char *mset, long msgnum);
742 void display_addressbook(long msgnum, char alpha);
743 void offer_start_page(StrBuf *Target, int nArgs, WCTemplateToken *Token, void *Context, int ContextType);
744 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext);
745 void output_html(char *, int, int);
746 void do_listsub(void);
747 void toggle_self_service(void);
748 ssize_t write(int fd, const void *buf, size_t count);
749 void cal_process_attachment(char *part_source, long msgnum, char *cal_partnum);
750 void display_calendar(long msgnum, int unread);
751 void display_task(long msgnum, int unread);
752 void display_note(long msgnum, int unread);
753 void updatenote(void);
754 void do_calendar_view(void);
755 void do_tasks_view(void);
756 void calendar_summary_view(void);
757 int load_msg_ptrs(char *servcmd, int with_headers);
758 void free_attachments(struct wcsession *sess);
759 void free_march_list(struct wcsession *wcf);
760 void display_rules_editor_inner_div(void);
761 void generate_uuid(char *);
762 void CtdlMakeTempFileName(char *, int);
763 void address_book_popup(void);
764 void begin_ajax_response(void);
765 void end_ajax_response(void);
766 void initialize_viewdefs(void);
767 void initialize_axdefs(void);
768 void burn_folder_cache(time_t age);
769 void list_all_rooms_by_floor(const char *viewpref);
770 void display_pictureview(void);
772 void display_edit_task(void);
773 void display_edit_event(void);
774 icaltimezone *get_default_icaltimezone(void);
775 void display_icaltimetype_as_webform(struct icaltimetype *, char *);
776 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
777 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
778 void display_edit_individual_event(icalcomponent *supplied_vtodo, long msgnum, char *from, int unread);
779 void save_individual_event(icalcomponent *supplied_vtodo, long msgnum, char *from, int unread);
780 void ical_dezonify(icalcomponent *cal);
781 void partstat_as_string(char *buf, icalproperty *attendee);
782 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
783 void check_attendee_availability(icalcomponent *supplied_vevent);
784 void do_freebusy(const char *req);
785 int ical_ctdl_is_overlap(
786 struct icaltimetype t1start,
787 struct icaltimetype t1end,
788 struct icaltimetype t2start,
789 struct icaltimetype t2end
793 void initialize_locales(void);
794 void ShutdownLocale(void);
796 void TmplGettext(StrBuf *Target, int nTokens, WCTemplateToken *Token);
798 extern char *months[];
800 int read_server_binary(StrBuf *Ret, size_t total_len);
801 int StrBuf_ServGetBLOB(StrBuf *buf, long BlobSize);
802 int read_server_text(StrBuf *Buf, long *nLines);;
803 int goto_config_room(void);
804 long locate_user_vcard(char *username, long usernum);
805 void sleeeeeeeeeep(int);
806 void http_transmit_thing(const char *content_type, int is_static);
807 long unescape_input(char *buf);
808 void do_selected_iconbar(void);
809 int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen);
810 void spawn_another_worker_thread(void);
811 void display_rss(char *roomname, StrBuf *request_method);
812 void offer_languages(StrBuf *Target, int nArgs, WCTemplateToken *Token, void *Context, int ContextType);
813 void set_selected_language(const char *);
814 void go_selected_language(void);
815 void stop_selected_language(void);
816 void preset_locale(void);
817 void httplang_to_locale(StrBuf *LocaleString);
818 void StrEndTab(StrBuf *Target, int tabnum, int num_tabs);
819 void StrBeginTab(StrBuf *Target, int tabnum, int num_tabs);
820 void StrTabbedDialog(StrBuf *Target, int num_tabs, StrBuf *tabnames[]);
821 void tabbed_dialog(int num_tabs, char *tabnames[]);
822 void begin_tab(int tabnum, int num_tabs);
823 void end_tab(int tabnum, int num_tabs);
824 void str_wiki_index(char *s);
825 int get_time_format_cached (void);
826 int xtoi(const char *in, size_t len);
827 void webcit_fmt_date(char *buf, time_t thetime, int brief);
828 int fetch_http(char *url, char *target_buf, int maxbytes);
830 int is_mobile_ua(char *user_agent);
833 iconv_t ctdl_iconv_open(const char *tocode, const char *fromcode);
836 void embed_room_banner(char *, int);
838 /* navbar types that can be passed to embed_room_banner */
848 void ssl_lock(int mode, int n, const char *file, int line);
849 int starttls(int sock);
850 extern SSL_CTX *ssl_ctx;
851 int client_read_sslbuffer(StrBuf *buf, int timeout);
852 void client_write_ssl(const StrBuf *Buf);
857 int ZEXPORT compress_gzip(Bytef * dest, size_t * destLen,
858 const Bytef * source, uLong sourceLen, int level);
861 void utf8ify_rfc822_string(char *buf);
863 void begin_burst(void);
864 long end_burst(void);
866 extern char *hourname[]; /**< Names of hours (12am, 1am, etc.) */
868 void http_datestring(char *buf, size_t n, time_t xtime);
871 typedef void (*WebcitHandlerFunc)(void);
872 typedef struct _WebcitHandler{
876 void WebcitAddUrlHandler(const char * UrlString, long UrlSLen, WebcitHandlerFunc F, long Flags);
879 #define ANONYMOUS (1<<1)
880 #define NEED_URL (1<<2)
883 /* These should be empty, but we have them for testing */
884 #define DEFAULT_HTTPAUTH_USER ""
885 #define DEFAULT_HTTPAUTH_PASS ""
888 /* Exit codes 101 through 109 are initialization failures so we don't want to
889 * just keep respawning indefinitely.
891 #define WC_EXIT_BIND 101 /* Can't bind to the port */
892 #define WC_EXIT_SSL 102 /* Can't initialize SSL */
895 #define WC_TIMEFORMAT_NONE 0
896 #define WC_TIMEFORMAT_AMPM 1
897 #define WC_TIMEFORMAT_24 2