3 * Copyright (c) 1987-2010 by the citadel.org team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <sys/select.h>
32 #include <sys/types.h>
34 #include <sys/socket.h>
35 #ifdef HAVE_SYS_TIME_H
42 #include <sys/socket.h>
43 #include <netinet/in.h>
44 #include <arpa/inet.h>
54 #include <sys/utsname.h>
55 #include <libcitadel.h>
67 #define _(string) gettext(string)
69 #define _(string) (string)
72 #define IsEmptyStr(a) ((a)[0] == '\0')
74 * Uncomment to dump an HTTP trace to stderr
75 #define HTTP_TRACING 1
87 #include <libical/ical.h>
93 #undef PACKAGE_TARNAME
94 #undef PACKAGE_VERSION
95 #undef PACKAGE_BUGREPORT
100 #include "paramhandling.h"
102 #include "preferences.h"
105 /* Work around RedHat's b0rken OpenSSL includes */
106 #define OPENSSL_NO_KRB5
107 #include <openssl/ssl.h>
108 #include <openssl/err.h>
109 #include <openssl/rand.h>
110 extern char *ssl_cipher_list;
111 #define DEFAULT_SSL_CIPHER_LIST "DEFAULT" /* See http://openssl.org/docs/apps/ciphers.html */
114 #if SIZEOF_SIZE_T == SIZEOF_INT
115 #define SIZE_T_FMT "%d"
117 #define SIZE_T_FMT "%ld"
120 #if SIZEOF_LONG_UNSIGNED_INT == SIZEOF_INT
121 #define ULONG_FMT "%d"
123 #define ULONG_FMT "%ld"
126 #define CALENDAR_ROOM_NAME "Calendar"
127 #define PRODID "-//Citadel//NONSGML Citadel Calendar//EN"
129 #define SIZ 4096 /* generic buffer size */
131 #define TRACE fprintf(stderr, "Checkpoint: %s, %d\n", __FILE__, __LINE__)
133 #define SLEEPING 180 /* TCP connection timeout */
134 #define WEBCIT_TIMEOUT 900 /* WebCit session timeout */
135 #define PORT_NUM 2000 /* port number to listen on */
136 #define DEVELOPER_ID 0
138 #define CLIENT_VERSION 783 /* This version of WebCit */
139 #define MINIMUM_CIT_VERSION 781 /* min required Citadel ver */
140 #define LIBCITADEL_MIN 781 /* min required libcitadel ver */
141 #define DEFAULT_HOST "localhost" /* Default Citadel server */
142 #define DEFAULT_PORT "504"
143 #define TARGET "webcit01" /* Target for inline URL's */
144 #define HOUSEKEEPING 15 /* Housekeeping frequency */
145 #define MAX_WORKER_THREADS 250
146 #define LISTEN_QUEUE_LENGTH 100 /* listen() backlog queue */
148 #define USERCONFIGROOM "My Citadel Config"
149 #define DEFAULT_MAXMSGS 20
152 #ifdef LIBCITADEL_VERSION_NUMBER
153 #if LIBCITADEL_VERSION_NUMBER < LIBCITADEL_MIN
154 #error libcitadel is too old. Please upgrade it before continuing.
160 * Room flags (from Citadel)
164 #define QR_PERMANENT 1 /* Room does not purge */
165 #define QR_INUSE 2 /* Set if in use, clear if avail */
166 #define QR_PRIVATE 4 /* Set for any type of private room */
167 #define QR_PASSWORDED 8 /* Set if there's a password too */
168 #define QR_GUESSNAME 16 /* Set if it's a guessname room */
169 #define QR_DIRECTORY 32 /* Directory room */
170 #define QR_UPLOAD 64 /* Allowed to upload */
171 #define QR_DOWNLOAD 128 /* Allowed to download */
172 #define QR_VISDIR 256 /* Visible directory */
173 #define QR_ANONONLY 512 /* Anonymous-Only room */
174 #define QR_ANONOPT 1024 /* Anonymous-Option room */
175 #define QR_NETWORK 2048 /* Shared network room */
176 #define QR_PREFONLY 4096 /* Preferred status needed to enter */
177 #define QR_READONLY 8192 /* Aide status required to post */
178 #define QR_MAILBOX 16384 /* Set if this is a private mailbox */
183 #define QR2_SYSTEM 1 /* System room; hide by default */
184 #define QR2_SELFLIST 2 /* Self-service mailing list mgmt */
185 #define QR2_COLLABDEL 4 /* Anyone who can post can also delete*/
186 #define QR2_SUBJECTREQ 8 /* Subject strongly recommended */
187 #define QR2_SMTP_PUBLIC 16 /* smtp public postable room */
188 #define QR2_MODERATED 32 /* Listservice aide has to permit posts */
194 #define UA_GOTOALLOWED 4
195 #define UA_HASNEWMSGS 8
197 #define UA_POSTALLOWED 32
198 #define UA_ADMINALLOWED 64
199 #define UA_DELETEALLOWED 128
200 #define UA_ISTRASH 256 /* Only available in room view... */
204 * User flags (from Citadel)
206 #define US_NEEDVALID 1 /* User needs to be validated */
207 #define US_PERM 4 /* Permanent user */
208 #define US_LASTOLD 16 /* Print last old message with new */
209 #define US_EXPERT 32 /* Experienced user */
210 #define US_UNLISTED 64 /* Unlisted userlog entry */
211 #define US_NOPROMPT 128 /* Don't prompt after each message */
212 #define US_PROMPTCTL 256 /* <N>ext & <S>top work at prompt */
213 #define US_DISAPPEAR 512 /* Use "disappearing msg prompts" */
214 #define US_REGIS 1024 /* Registered user */
215 #define US_PAGINATOR 2048 /* Pause after each screen of text */
216 #define US_INTERNET 4096 /* Internet mail privileges */
217 #define US_FLOORS 8192 /* User wants to see floors */
218 #define US_COLOR 16384 /* User wants ANSI color support */
219 #define US_USER_SET (US_LASTOLD | US_EXPERT | US_UNLISTED | \
220 US_NOPROMPT | US_DISAPPEAR | US_PAGINATOR | \
221 US_FLOORS | US_COLOR | US_PROMPTCTL )
226 #define MAJORCODE(a) (((int)(a / 100) ) * 100)
228 #define LISTING_FOLLOWS 100
230 #define MORE_DATA 300
231 #define SEND_LISTING 400
233 #define BINARY_FOLLOWS 600
234 #define SEND_BINARY 700
235 #define START_CHAT_MODE 800
236 #define ASYNC_MSG 900
238 #define MINORCODE(a) (a % 100)
239 #define ASYNC_GEXP 02
240 #define INTERNAL_ERROR 10
242 #define ILLEGAL_VALUE 12
243 #define NOT_LOGGED_IN 20
244 #define CMD_NOT_SUPPORTED 30
245 #define SERVER_SHUTTING_DOWN 31
246 #define PASSWORD_REQUIRED 40
247 #define ALREADY_LOGGED_IN 41
248 #define USERNAME_REQUIRED 42
249 #define HIGHER_ACCESS_REQUIRED 50
250 #define MAX_SESSIONS_EXCEEDED 51
251 #define RESOURCE_BUSY 52
252 #define RESOURCE_NOT_OPEN 53
254 #define INVALID_FLOOR_OPERATION 61
255 #define NO_SUCH_USER 70
256 #define FILE_NOT_FOUND 71
257 #define ROOM_NOT_FOUND 72
258 #define NO_SUCH_SYSTEM 73
259 #define ALREADY_EXISTS 74
260 #define MESSAGE_NOT_FOUND 75
262 * NLI is the string that shows up in a who's online listing for sessions
263 * that are active, but for which no user has yet authenticated.
265 #define NLI "(not logged in)"
268 * Expiry policy for the autopurger
270 #define EXPIRE_NEXTLEVEL 0 /* Inherit expiration policy */
271 #define EXPIRE_MANUAL 1 /* Don't expire messages at all */
272 #define EXPIRE_NUMMSGS 2 /* Keep only latest n messages */
273 #define EXPIRE_AGE 3 /* Expire messages after n days */
274 typedef struct __ExpirePolicy {
275 int loaded; /* has this been loaded from the server? */
279 void LoadExpirePolicy(GPEXWhichPolicy which);
280 void SaveExpirePolicyFromHTTP(GPEXWhichPolicy which);
283 * Linked list of session variables encoded in an x-www-urlencoded content type
285 typedef struct urlcontent urlcontent;
287 char url_key[32]; /* key */
288 StrBuf *url_data; /* value */
292 * Information about the Citadel server to which we are connected
294 typedef struct _serv_info {
295 int serv_pid; /* Process ID of the Citadel server */
296 StrBuf *serv_nodename; /* Node name of the Citadel server */
297 StrBuf *serv_humannode; /* human readable node name of the Citadel server */
298 StrBuf *serv_fqdn; /* fully quallified Domain Name (such as uncensored.citadel.org) */
299 StrBuf *serv_software; /* What version does our connected citadel server use */
300 int serv_rev_level; /* Whats the citadel server revision */
301 StrBuf *serv_bbs_city; /* Geographic location of the Citadel server */
302 StrBuf *serv_sysadm; /* Name of system administrator */
303 StrBuf *serv_moreprompt; /* Whats the commandline textprompt */
304 int serv_supports_ldap; /* is the server linked against an ldap tree for adresses? */
305 int serv_newuser_disabled; /* Has the server disabled self-service new user creation? */
306 StrBuf *serv_default_cal_zone; /* Default timezone for unspecified calendar items */
307 int serv_supports_sieve; /* Does the server support Sieve mail filtering? */
308 int serv_fulltext_enabled; /* Does the server have the full text index enabled? */
309 StrBuf *serv_svn_revision; /* SVN revision of the server */
310 int serv_supports_openid; /* Does the server support authentication via OpenID? */
314 typedef struct _disp_cal {
315 icalcomponent *cal; /* cal items for display */
316 long cal_msgnum; /* cal msgids for display */
317 char *from; /* owner of this component */
318 int unread; /* already seen by the user? */
325 icalcomponent *SortBy; /* cal items for display */
326 icalproperty_status Status;
329 typedef struct _IcalEnumMap {
332 icalproperty_kind map;
336 * Address book entry (keep it short and sweet, it's just a quickie lookup
337 * which we can use to get to the real meat and bones later)
339 typedef struct _addrbookent {
340 char ab_name[64]; /* name string */
341 long ab_msgnum; /* message number of address book entry */
346 #define ANONYMOUS (1<<1)
347 #define NEED_URL (1<<2)
348 #define XHTTP_COMMANDS (1<<3)
350 #define URLNAMESPACE (1<<4)
351 #define LOGCHATTY (1<<5)
352 #define COOKIEUNNEEDED (1<<6)
353 #define ISSTATIC (1<<7)
354 #define FORCE_SESSIONCLOSE (1<<8)
355 #define PARSE_REST_URL (1<<9)
356 #define PROHIBIT_STARTPAGE (1<<10)
358 typedef enum _RESTDispatchID {
364 typedef int (*WebcitRESTDispatchID)(RESTDispatchID WhichAction, int IgnoreFloor);
365 typedef void (*WebcitHandlerFunc)(void);
366 typedef struct _WebcitHandler{
368 WebcitRESTDispatchID RID;
375 void WebcitAddUrlHandler(const char * UrlString, long UrlSLen, const char *DisplayName, long dslen, WebcitHandlerFunc F, long Flags);
377 typedef struct _headereval {
378 ExamineMsgHeaderFunc evaluator;
407 extern const char *ReqStrs[eNONE];
410 #define AUTH_COOKIE 1
415 typedef struct _HdrRefs {
416 long eReqType; /* HTTP method */
423 time_t if_modified_since;
424 int gzip_ok; /* Nonzero if Accept-encoding: gzip */
425 int prohibit_caching;
429 /* these are references into Hdr->HTTPHeaders, so we don't need to free them. */
433 StrBuf *http_host; /* HTTP Host: header */
434 StrBuf *browser_host;
435 StrBuf *browser_language;
440 const WebcitHandler *Handler;
443 typedef struct _ParsedHttpHdrs {
444 int http_sock; /* HTTP server socket */
452 StrBuf *this_page; /* URL of current page */
455 HashList *urlstrings; /* variables passed to webcit in a URL */
456 HashList *HTTPHeaders; /* the headers the client sent us */
457 int nWildfireHeaders; /* how many wildfire headers did we already send? */
464 * One of these is kept for each active Citadel session.
465 * HTTP transactions are bound to one at a time.
467 typedef struct wcsession wcsession;
469 /* infrastructural members */
470 wcsession *next; /* Linked list */
471 pthread_mutex_t SessionMutex; /* mutex for exclusive access */
472 int wc_session; /* WebCit session ID */
473 int killthis; /* Nonzero == purge this session */
474 int is_mobile; /* Client is a handheld browser */
475 int ctdl_pid; /* Session ID on the Citadel server */
476 int nonce; /* session nonce (to prevent session riding) */
479 /* Session local Members */
480 int serv_sock; /* Client socket to Citadel server */
481 StrBuf *ReadBuf; /* here we keep our stuff while reading linebuffered from the server. */
482 StrBuf *MigrateReadLineBuf; /* here we buffer legacy server read stuff */
483 const char *ReadPos; /* whats our read position in ReadBuf? */
484 int last_chat_seq; /* When in chat - last message seq# we saw */
485 time_t lastreq; /* Timestamp of most recent HTTP */
486 time_t last_pager_check; /* last time we polled for instant msgs */
487 ServInfo *serv_info; /* Information about the citserver we're connected to */
488 int is_ajax; /* are we doing an ajax request? */
490 /* Request local Members */
491 StrBuf *CLineBuf; /* linebuffering client stuff */
493 StrBuf *WBuf; /* Our output buffer */
494 StrBuf *HBuf; /* Our HeaderBuffer */
495 StrBuf *WFBuf; /* Wildfire error logging buffer */
497 HashList *vars; /* HTTP variable substitutions for this page */
498 StrBuf *trailing_javascript; /* extra javascript to be appended to page */
499 char ImportantMessage[SIZ];
500 StrBuf *ImportantMsg;
501 HashList *Directory; /* Parts of the directory URL in snippets */
502 const Floor *CurrentFloor; /**< when Parsing REST, which floor are we on? */
505 StrBuf *wc_username; /* login name of current user */
506 StrBuf *wc_fullname; /* Screen name of current user */
507 StrBuf *wc_password; /* Password of current user */
508 StrBuf *httpauth_pass; /* only for GroupDAV sessions */
509 int axlevel; /* this user's access level */
510 int is_aide; /* nonzero == this user is an Aide */
511 int connected; /* nonzero == we are connected to Citadel */
512 int logged_in; /* nonzero == we are logged in */
513 int need_regi; /* This user needs to register. */
514 int need_vali; /* New users require validation. */
517 StrBuf *cs_inet_email; /* User's preferred Internet addr. */
518 HashList *hash_prefs; /* WebCit preferences for this user */
519 StrBuf *DefaultCharset; /* Charset the user preferes */
520 int downloaded_prefs; /* Has the client download its prefs yet? */
521 int SavePrefsToServer; /* Should we save our preferences to the server at the end of the request? */
522 int selected_language; /* Language selected by user */
523 int time_format_cache; /* which timeformat does our user like? */
525 folder CurRoom; /* information about our current room */
526 const folder *ThisRoom; /* if REST found a room, remember it here. */
527 /* next/previous room thingabob */
528 struct march *march; /* march mode room list */
529 char ugname[128]; /* where does 'ungoto' take us */
530 long uglsn; /* last seen message number for ungoto */
532 /* Uploading; mime attachments for composing messages */
533 HashList *attachments; /* list of attachments for 'enter message' */
534 int upload_length; /* content length of http-uploaded data */
535 StrBuf *upload; /* pointer to http-uploaded data */
536 StrBuf *upload_filename; /* filename of http-uploaded data */
537 char upload_content_type[256]; /* content type of http-uploaded data */
539 int remember_new_mail; /* last count of new mail messages */
541 /* Roomiew control */
542 HashList *Floors; /* floors our citserver has hashed numeric for quicker access*/
543 HashList *FloorsByName; /* same but hashed by its name */
544 HashList *Rooms; /* our directory structure as loaded by LKRA */
545 HashList *summ; /* list of messages for mailbox summary view */
546 /** Perhaps these should be within a struct instead */
547 long startmsg; /* message number to start at */
548 long maxmsgs; /* maximum messages to display */
549 long num_displayed; /* number of messages actually displayed */
550 HashList *disp_cal_items; /* sorted list of calendar items; startdate is the sort criteria. */
553 char last_chat_user[256];
555 /* Iconbar controls */
556 int cache_max_folders;
557 int cache_num_floors;
558 long *IBSettingsVec; /* which icons should be shown / not shown? */
559 const StrBuf *floordiv_expanded; /* which floordiv currently expanded */
563 /* cache stuff for templates. TODO: find a smartrer way */
564 HashList *ServCfg; /* cache our server config for editing */
565 HashList *InetCfg; /* Our inet server config for editing */
566 ExpirePolicy Policy[maxpolicy];
570 typedef void (*Header_Evaluator)(StrBuf *Line, ParsedHttpHdrs *hdr);
572 typedef struct _HttpHeader {
578 void RegisterHeaderHandler(const char *Name, long Len, Header_Evaluator F);
589 #define num_parms(source) num_tokens(source, '|')
592 /* Per-session data */
593 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
594 extern pthread_key_t MyConKey;
596 /* Per-thread SSL context */
598 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
599 extern pthread_key_t ThreadSSL;
600 extern char ctdl_key_dir[PATH_MAX];
601 extern char file_crpt_file_key[PATH_MAX];
602 extern char file_crpt_file_csr[PATH_MAX];
603 extern char file_crpt_file_cer[PATH_MAX];
606 extern char floorlist[128][SIZ];
607 extern char *axdefs[];
608 extern char *ctdlhost, *ctdlport;
609 extern int http_port;
610 extern char *server_cookie;
612 extern int setup_wizard;
613 extern char wizard_filename[];
614 extern int follow_xff;
615 extern int num_threads_existing;
616 extern int num_threads_executing;
618 void InitialiseSemaphores(void);
619 void begin_critical_section(int which_one);
620 void end_critical_section(int which_one);
622 void stuff_to_cookie(int unset_cookie);
624 void cookie_to_stuff(StrBuf *cookie,
631 void locate_host(StrBuf *TBuf, int);
632 void become_logged_in(const StrBuf *user, const StrBuf *pass, StrBuf *serv_response);
633 void openid_manual_create(void);
634 void display_login(void);
635 void display_openids(void);
636 void do_welcome(void);
637 void do_logout(void);
638 void display_main_menu(void);
639 void display_aide_menu(void);
640 void slrp_highest(void);
641 ServInfo *get_serv_info(StrBuf *, StrBuf *);
642 void RegisterEmbeddableMimeType(const char *MimeType, long MTLen, int Priority);
643 void CreateMimeStr(void);
644 int GetConnected(void);
645 void DeleteServInfo(ServInfo **FreeMe);
646 int uds_connectsock(char *);
647 int tcp_connectsock(char *, char *);
648 int serv_getln(char *strbuf, int bufsize);
649 int StrBuf_ServGetln(StrBuf *buf);
650 int GetServerStatus(StrBuf *Line, long* FullState);
651 void serv_puts(const char *string);
654 void ajax_mini_calendar(void);
655 void fmout(char *align);
656 void _fmout(StrBuf *Targt, char *align);
657 void FmOut(StrBuf *Target, char *align, StrBuf *Source);
658 void pullquote_fmout(void);
659 void wDumpContent(int);
663 void UrlescPutStrBuf(const StrBuf *strbuf);
664 void StrEscPuts(const StrBuf *strbuf);
665 void StrEscputs1(const StrBuf *strbuf, int nbsp, int nolinebreaks);
667 void urlescputs(const char *);
668 void hurlescputs(const char *);
669 void jsesc(char *, size_t, char *);
670 void jsescputs(char *);
671 void output_headers( int do_httpheaders,
677 void output_custom_content_header(const char *ctype);
679 #ifdef UBER_VERBOSE_DEBUGGING
680 #define wc_printf(...) wcc_printf(__FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
681 void wcc_printf(const char *FILE, const char *FUNCTION, long LINE, const char *format, ...);
683 void wc_printf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
686 void hprintf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
687 void output_static(const char* What);
689 long stresc(char *target, long tSize, char *strbuf, int nbsp, int nolinebreaks);
690 void escputs(const char *strbuf);
691 void url(char *buf, size_t bufsize);
692 void UrlizeText(StrBuf* Target, StrBuf *Source, StrBuf *WrkBuf);
693 void escputs1(const char *strbuf, int nbsp, int nolinebreaks);
694 void msgesc(char *target, size_t tlen, char *strbuf);
695 void msgescputs(char *strbuf);
696 void msgescputs1(char *strbuf);
697 void dump_vars(void);
699 void do_addrbook_view(addrbookent *addrbook, int num_ab);
700 void fetch_ab_name(message_summary *Msg, char **namebuf);
701 void display_vcard(StrBuf *Target, wc_mime_attachment *Mime, char alpha, int full, char **storename, long msgnum);
702 void jsonMessageList(void);
703 void new_summary_view(void);
704 void text_to_server(char *ptr);
705 void text_to_server_qp(char *ptr);
706 void display_success(char *);
707 void CheckAuthBasic(ParsedHttpHdrs *hdr);
708 void GetAuthBasic(ParsedHttpHdrs *hdr);
709 void server_to_text(void);
710 void save_edit(char *description, char *enter_cmd, int regoto);
711 void display_edit(char *description, char *check_cmd,
712 char *read_cmd, char *save_cmd, int with_room_banner);
713 long gotoroom(const StrBuf *gname);
714 void remove_march(const StrBuf *aaa);
717 void display_graphics_upload(char *, char *, char *);
718 void do_graphics_upload(char *upl_cmd);
719 void serv_write(const char *buf, int nbytes);
720 void serv_putbuf(const StrBuf *string);
721 void serv_printf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
722 void shutdown_sessions(void);
723 void do_housekeeping(void);
724 void smart_goto(const StrBuf *);
725 void worker_entry(void);
726 void session_loop(void);
727 size_t wc_strftime(char *s, size_t max, const char *format, const struct tm *tm);
728 void fmt_time(char *buf, size_t siz, time_t thetime);
729 void httpdate(char *buf, time_t thetime);
730 time_t httpdate_to_timestamp(StrBuf *buf);
731 void end_webcit_session(void);
732 void page_popup(void);
733 void http_redirect(const char *);
734 void clear_substs(struct wcsession *wc);
735 void clear_local_substs(void);
739 int lingering_close(int fd);
740 long extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
741 void remove_token(char *source, int parmnum, char separator);
742 StrBuf *load_mimepart(long msgnum, char *partnum);
743 void MimeLoadData(wc_mime_attachment *Mime);
744 void do_edit_vcard(long msgnum, char *partnum,
745 message_summary *VCMsg,
746 wc_mime_attachment *VCAtt,
747 const char *return_to,
748 const char *force_room);
750 void select_user_to_edit(const char *preselect);
751 void delete_user(char *);
752 void do_change_view(int);
757 void offer_start_page(StrBuf *Target, WCTemplputParams *TP);
758 void convenience_page(const char *titlebarcolor, const char *titlebarmsg, const char *messagetext);
759 void output_html(const char *, int, int, StrBuf *, StrBuf *);
760 void do_listsub(void);
761 ssize_t write(int fd, const void *buf, size_t count);
762 void cal_process_attachment(wc_mime_attachment *Mime);
763 void do_tasks_view(void);
764 int calendar_summary_view(void);
765 void free_march_list(wcsession *wcf);
766 void display_rules_editor_inner_div(void);
767 void generate_uuid(char *);
768 void CtdlMakeTempFileName(char *, int);
769 void address_book_popup(void);
770 void begin_ajax_response(void);
771 void end_ajax_response(void);
773 void display_edit_task(void);
774 void display_edit_event(void);
775 icaltimezone *get_default_icaltimezone(void);
776 void display_icaltimetype_as_webform(struct icaltimetype *, char *, int);
777 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
778 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
779 void partstat_as_string(char *buf, icalproperty *attendee);
780 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
781 void check_attendee_availability(icalcomponent *supplied_vevent);
782 int ical_ctdl_is_overlap(
783 struct icaltimetype t1start,
784 struct icaltimetype t1end,
785 struct icaltimetype t2start,
786 struct icaltimetype t2end
790 extern char *months[];
792 int serv_read_binary(StrBuf *Ret, size_t total_len, StrBuf *Buf);
793 int StrBuf_ServGetBLOB(StrBuf *buf, long BlobSize);
794 int StrBuf_ServGetBLOBBuffered(StrBuf *buf, long BlobSize);
795 int read_server_text(StrBuf *Buf, long *nLines);
796 long locate_user_vcard_in_this_room(message_summary **VCMsg,
797 wc_mime_attachment **VCAtt);
798 void sleeeeeeeeeep(int);
799 void http_transmit_thing(const char *content_type, int is_static);
800 long unescape_input(char *buf);
801 void check_thread_pool_size(void);
802 void spawn_another_worker_thread(void);
803 void StrEndTab(StrBuf *Target, int tabnum, int num_tabs);
804 void StrBeginTab(StrBuf *Target, int tabnum, int num_tabs, StrBuf **Names);
805 void StrTabbedDialog(StrBuf *Target, int num_tabs, StrBuf *tabnames[]);
806 void tabbed_dialog(int num_tabs, char *tabnames[]);
807 void begin_tab(int tabnum, int num_tabs);
808 void end_tab(int tabnum, int num_tabs);
809 void str_wiki_index(char *s);
810 long guess_calhourformat(void);
811 int get_time_format_cached (void);
812 const char *get_selected_language(void);
813 void display_wiki_pagelist(void);
815 #define DATEFMT_FULL 0
816 #define DATEFMT_BRIEF 1
817 #define DATEFMT_RAWDATE 2
818 #define DATEFMT_LOCALEDATE 3
819 void webcit_fmt_date(char *buf, size_t siz, time_t thetime, int Format);
822 int is_mobile_ua(char *user_agent);
824 /* actual supported locales */
825 void TmplGettext(StrBuf *Target, WCTemplputParams *TP);
826 void offer_languages(StrBuf *Target, int nArgs, WCTemplateToken *Token, void *Context, int ContextType);
827 void set_selected_language(const char *);
828 void go_selected_language(void);
829 void stop_selected_language(void);
834 void ssl_lock(int mode, int n, const char *file, int line);
835 int starttls(int sock);
836 extern SSL_CTX *ssl_ctx;
837 int client_read_sslbuffer(StrBuf *buf, int timeout);
838 void client_write_ssl(const StrBuf *Buf);
841 void utf8ify_rfc822_string(char **buf);
843 void begin_burst(void);
844 long end_burst(void);
846 void AppendImportantMessage(const char *pch, long len);
848 extern char *hourname[]; /* Names of hours (12am, 1am, etc.) */
850 void http_datestring(char *buf, size_t n, time_t xtime);
853 /* These should be empty, but we have them for testing */
854 #define DEFAULT_HTTPAUTH_USER ""
855 #define DEFAULT_HTTPAUTH_PASS ""
858 /* Exit codes 101 through 109 are initialization failures so we don't want to
859 * just keep respawning indefinitely.
861 #define WC_EXIT_BIND 101 /* Can't bind to the port */
862 #define WC_EXIT_SSL 102 /* Can't initialize SSL */
865 #define WC_TIMEFORMAT_NONE 0
866 #define WC_TIMEFORMAT_AMPM 1
867 #define WC_TIMEFORMAT_24 2
869 extern int time_to_die; /* Nonzero if server is shutting down */