2 * Copyright (c) 1987-2011 by the citadel.org team
4 * This program is open source software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #include <sys/select.h>
31 #include <sys/types.h>
33 #include <sys/socket.h>
34 #ifdef HAVE_SYS_TIME_H
41 #include <netinet/in.h>
42 #include <arpa/inet.h>
52 #include <sys/utsname.h>
53 #include <libcitadel.h>
56 #define INADDR_NONE 0xffffffff
69 #define _(string) gettext(string)
71 #define _(string) (string)
74 #define IsEmptyStr(a) ((a)[0] == '\0')
76 * Uncomment to dump an HTTP trace to stderr
77 #define HTTP_TRACING 1
89 #include <libical/ical.h>
95 #undef PACKAGE_TARNAME
96 #undef PACKAGE_VERSION
97 #undef PACKAGE_BUGREPORT
101 #include "messages.h"
102 #include "paramhandling.h"
104 #include "preferences.h"
107 /* Work around RedHat's b0rken OpenSSL includes */
108 #define OPENSSL_NO_KRB5
109 #include <openssl/ssl.h>
110 #include <openssl/err.h>
111 #include <openssl/rand.h>
112 extern char *ssl_cipher_list;
113 #define DEFAULT_SSL_CIPHER_LIST "DEFAULT" /* See http://openssl.org/docs/apps/ciphers.html */
116 #if SIZEOF_SIZE_T == SIZEOF_INT
117 #define SIZE_T_FMT "%d"
119 #define SIZE_T_FMT "%ld"
122 #if SIZEOF_LONG_UNSIGNED_INT == SIZEOF_INT
123 #define ULONG_FMT "%d"
125 #define ULONG_FMT "%ld"
128 #define CALENDAR_ROOM_NAME "Calendar"
129 #define PRODID "-//Citadel//NONSGML Citadel Calendar//EN"
131 #define SIZ 4096 /* generic buffer size */
133 #define TRACE fprintf(stderr, "Checkpoint: %s, %d\n", __FILE__, __LINE__)
135 #define SLEEPING 180 /* TCP connection timeout */
136 #define WEBCIT_TIMEOUT 900 /* WebCit session timeout */
137 #define PORT_NUM 2000 /* port number to listen on */
138 #define DEVELOPER_ID 0
140 #define CLIENT_VERSION 787 /* This version of WebCit */
141 #define MINIMUM_CIT_VERSION 787 /* min required Citadel ver */
142 #define LIBCITADEL_MIN 787 /* min required libcitadel ver */
143 #define DEFAULT_HOST "localhost" /* Default Citadel server */
144 #define DEFAULT_PORT "504"
145 #define TARGET "webcit01" /* Target for inline URL's */
146 #define HOUSEKEEPING 15 /* Housekeeping frequency */
147 #define MAX_WORKER_THREADS 250
148 #define LISTEN_QUEUE_LENGTH 100 /* listen() backlog queue */
150 #define USERCONFIGROOM "My Citadel Config"
151 #define DEFAULT_MAXMSGS 20
154 #ifdef LIBCITADEL_VERSION_NUMBER
155 #if LIBCITADEL_VERSION_NUMBER < LIBCITADEL_MIN
156 #error libcitadel is too old. Please upgrade it before continuing.
162 * Room flags (from Citadel)
166 #define QR_PERMANENT 1 /* Room does not purge */
167 #define QR_INUSE 2 /* Set if in use, clear if avail */
168 #define QR_PRIVATE 4 /* Set for any type of private room */
169 #define QR_PASSWORDED 8 /* Set if there's a password too */
170 #define QR_GUESSNAME 16 /* Set if it's a guessname room */
171 #define QR_DIRECTORY 32 /* Directory room */
172 #define QR_UPLOAD 64 /* Allowed to upload */
173 #define QR_DOWNLOAD 128 /* Allowed to download */
174 #define QR_VISDIR 256 /* Visible directory */
175 #define QR_ANONONLY 512 /* Anonymous-Only room */
176 #define QR_ANONOPT 1024 /* Anonymous-Option room */
177 #define QR_NETWORK 2048 /* Shared network room */
178 #define QR_PREFONLY 4096 /* Preferred status needed to enter */
179 #define QR_READONLY 8192 /* Aide status required to post */
180 #define QR_MAILBOX 16384 /* Set if this is a private mailbox */
185 #define QR2_SYSTEM 1 /* System room; hide by default */
186 #define QR2_SELFLIST 2 /* Self-service mailing list mgmt */
187 #define QR2_COLLABDEL 4 /* Anyone who can post can also delete*/
188 #define QR2_SUBJECTREQ 8 /* Subject strongly recommended */
189 #define QR2_SMTP_PUBLIC 16 /* smtp public postable room */
190 #define QR2_MODERATED 32 /* Listservice aide has to permit posts */
196 #define UA_GOTOALLOWED 4
197 #define UA_HASNEWMSGS 8
199 #define UA_POSTALLOWED 32
200 #define UA_ADMINALLOWED 64
201 #define UA_DELETEALLOWED 128
202 #define UA_ISTRASH 256 /* Only available in room view... */
206 * User flags (from Citadel)
208 #define US_NEEDVALID 1 /* User needs to be validated */
209 #define US_PERM 4 /* Permanent user */
210 #define US_LASTOLD 16 /* Print last old message with new */
211 #define US_EXPERT 32 /* Experienced user */
212 #define US_UNLISTED 64 /* Unlisted userlog entry */
213 #define US_NOPROMPT 128 /* Don't prompt after each message */
214 #define US_PROMPTCTL 256 /* <N>ext & <S>top work at prompt */
215 #define US_DISAPPEAR 512 /* Use "disappearing msg prompts" */
216 #define US_REGIS 1024 /* Registered user */
217 #define US_PAGINATOR 2048 /* Pause after each screen of text */
218 #define US_INTERNET 4096 /* Internet mail privileges */
219 #define US_FLOORS 8192 /* User wants to see floors */
220 #define US_COLOR 16384 /* User wants ANSI color support */
221 #define US_USER_SET (US_LASTOLD | US_EXPERT | US_UNLISTED | \
222 US_NOPROMPT | US_DISAPPEAR | US_PAGINATOR | \
223 US_FLOORS | US_COLOR | US_PROMPTCTL )
228 #define MAJORCODE(a) (((int)(a / 100) ) * 100)
230 #define LISTING_FOLLOWS 100
232 #define MORE_DATA 300
233 #define SEND_LISTING 400
235 #define BINARY_FOLLOWS 600
236 #define SEND_BINARY 700
237 #define START_CHAT_MODE 800
238 #define ASYNC_MSG 900
240 #define MINORCODE(a) (a % 100)
241 #define ASYNC_GEXP 02
242 #define INTERNAL_ERROR 10
244 #define ILLEGAL_VALUE 12
245 #define NOT_LOGGED_IN 20
246 #define CMD_NOT_SUPPORTED 30
247 #define SERVER_SHUTTING_DOWN 31
248 #define PASSWORD_REQUIRED 40
249 #define ALREADY_LOGGED_IN 41
250 #define USERNAME_REQUIRED 42
251 #define HIGHER_ACCESS_REQUIRED 50
252 #define MAX_SESSIONS_EXCEEDED 51
253 #define RESOURCE_BUSY 52
254 #define RESOURCE_NOT_OPEN 53
256 #define INVALID_FLOOR_OPERATION 61
257 #define NO_SUCH_USER 70
258 #define FILE_NOT_FOUND 71
259 #define ROOM_NOT_FOUND 72
260 #define NO_SUCH_SYSTEM 73
261 #define ALREADY_EXISTS 74
262 #define MESSAGE_NOT_FOUND 75
264 * NLI is the string that shows up in a who's online listing for sessions
265 * that are active, but for which no user has yet authenticated.
267 #define NLI "(not logged in)"
270 * Expiry policy for the autopurger
272 #define EXPIRE_NEXTLEVEL 0 /* Inherit expiration policy */
273 #define EXPIRE_MANUAL 1 /* Don't expire messages at all */
274 #define EXPIRE_NUMMSGS 2 /* Keep only latest n messages */
275 #define EXPIRE_AGE 3 /* Expire messages after n days */
276 typedef struct __ExpirePolicy {
277 int loaded; /* has this been loaded from the server? */
281 void LoadExpirePolicy(GPEXWhichPolicy which);
282 void SaveExpirePolicyFromHTTP(GPEXWhichPolicy which);
285 * Linked list of session variables encoded in an x-www-urlencoded content type
287 typedef struct urlcontent urlcontent;
289 char url_key[32]; /* key */
290 StrBuf *url_data; /* value */
294 * Information about the Citadel server to which we are connected
296 typedef struct _serv_info {
297 int serv_pid; /* Process ID of the Citadel server */
298 StrBuf *serv_nodename; /* Node name of the Citadel server */
299 StrBuf *serv_humannode; /* human readable node name of the Citadel server */
300 StrBuf *serv_fqdn; /* fully quallified Domain Name (such as uncensored.citadel.org) */
301 StrBuf *serv_software; /* What version does our connected citadel server use */
302 int serv_rev_level; /* Whats the citadel server revision */
303 StrBuf *serv_bbs_city; /* Geographic location of the Citadel server */
304 StrBuf *serv_sysadm; /* Name of system administrator */
305 StrBuf *serv_moreprompt; /* Whats the commandline textprompt */
306 int serv_supports_ldap; /* is the server linked against an ldap tree for adresses? */
307 int serv_newuser_disabled; /* Has the server disabled self-service new user creation? */
308 StrBuf *serv_default_cal_zone; /* Default timezone for unspecified calendar items */
309 int serv_supports_sieve; /* Does the server support Sieve mail filtering? */
310 int serv_fulltext_enabled; /* Does the server have the full text index enabled? */
311 StrBuf *serv_svn_revision; /* SVN revision of the server */
312 int serv_supports_openid; /* Does the server support authentication via OpenID? */
316 typedef struct _disp_cal {
317 icalcomponent *cal; /* cal items for display */
318 long cal_msgnum; /* cal msgids for display */
319 char *from; /* owner of this component */
320 int unread; /* already seen by the user? */
327 icalcomponent *SortBy; /* cal items for display */
328 icalproperty_status Status;
331 typedef struct _IcalEnumMap {
334 icalproperty_kind map;
338 * Address book entry (keep it short and sweet, it's just a quickie lookup
339 * which we can use to get to the real meat and bones later)
341 typedef struct _addrbookent {
342 char ab_name[64]; /* name string */
343 long ab_msgnum; /* message number of address book entry */
348 #define ANONYMOUS (1<<1)
349 #define NEED_URL (1<<2)
350 #define XHTTP_COMMANDS (1<<3)
352 #define URLNAMESPACE (1<<4)
353 #define LOGCHATTY (1<<5)
354 #define COOKIEUNNEEDED (1<<6)
355 #define ISSTATIC (1<<7)
356 #define FORCE_SESSIONCLOSE (1<<8)
357 #define PARSE_REST_URL (1<<9)
358 #define PROHIBIT_STARTPAGE (1<<10)
360 typedef enum _RESTDispatchID {
366 typedef int (*WebcitRESTDispatchID)(RESTDispatchID WhichAction, int IgnoreFloor);
367 typedef void (*WebcitHandlerFunc)(void);
368 typedef struct _WebcitHandler{
370 WebcitRESTDispatchID RID;
377 void WebcitAddUrlHandler(const char * UrlString, long UrlSLen, const char *DisplayName, long dslen, WebcitHandlerFunc F, long Flags);
379 typedef struct _headereval {
380 ExamineMsgHeaderFunc evaluator;
409 extern const char *ReqStrs[eNONE];
412 #define AUTH_COOKIE 1
417 typedef struct _HdrRefs {
418 long eReqType; /* HTTP method */
425 time_t if_modified_since;
426 int gzip_ok; /* Nonzero if Accept-encoding: gzip */
427 int prohibit_caching;
431 /* these are references into Hdr->HTTPHeaders, so we don't need to free them. */
435 StrBuf *http_host; /* HTTP Host: header */
436 StrBuf *browser_host;
437 StrBuf *browser_language;
442 const WebcitHandler *Handler;
445 typedef struct _ParsedHttpHdrs {
446 int http_sock; /* HTTP server socket */
454 StrBuf *this_page; /* URL of current page */
457 HashList *urlstrings; /* variables passed to webcit in a URL */
458 HashList *HTTPHeaders; /* the headers the client sent us */
459 int nWildfireHeaders; /* how many wildfire headers did we already send? */
466 * One of these is kept for each active Citadel session.
467 * HTTP transactions are bound to one at a time.
469 typedef struct wcsession wcsession;
471 /* infrastructural members */
472 wcsession *next; /* Linked list */
473 pthread_mutex_t SessionMutex; /* mutex for exclusive access */
474 int wc_session; /* WebCit session ID */
475 int killthis; /* Nonzero == purge this session */
476 int is_mobile; /* Client is a handheld browser */
477 int ctdl_pid; /* Session ID on the Citadel server */
478 int nonce; /* session nonce (to prevent session riding) */
481 /* Session local Members */
482 int serv_sock; /* Client socket to Citadel server */
483 StrBuf *ReadBuf; /* here we keep our stuff while reading linebuffered from the server. */
484 StrBuf *MigrateReadLineBuf; /* here we buffer legacy server read stuff */
485 const char *ReadPos; /* whats our read position in ReadBuf? */
486 int last_chat_seq; /* When in chat - last message seq# we saw */
487 time_t lastreq; /* Timestamp of most recent HTTP */
488 time_t last_pager_check; /* last time we polled for instant msgs */
489 ServInfo *serv_info; /* Information about the citserver we're connected to */
490 int is_ajax; /* are we doing an ajax request? */
492 /* Request local Members */
493 StrBuf *CLineBuf; /* linebuffering client stuff */
495 StrBuf *WBuf; /* Our output buffer */
496 StrBuf *HBuf; /* Our HeaderBuffer */
497 StrBuf *WFBuf; /* Wildfire error logging buffer */
499 HashList *vars; /* HTTP variable substitutions for this page */
500 StrBuf *trailing_javascript; /* extra javascript to be appended to page */
501 char ImportantMessage[SIZ];
502 StrBuf *ImportantMsg;
503 HashList *Directory; /* Parts of the directory URL in snippets */
504 const Floor *CurrentFloor; /**< when Parsing REST, which floor are we on? */
507 StrBuf *wc_username; /* login name of current user */
508 StrBuf *wc_fullname; /* Screen name of current user */
509 StrBuf *wc_password; /* Password of current user */
510 StrBuf *httpauth_pass; /* only for GroupDAV sessions */
511 int axlevel; /* this user's access level */
512 int is_aide; /* nonzero == this user is an Aide */
513 int connected; /* nonzero == we are connected to Citadel */
514 int logged_in; /* nonzero == we are logged in */
515 int need_regi; /* This user needs to register. */
516 int need_vali; /* New users require validation. */
519 StrBuf *cs_inet_email; /* User's preferred Internet addr. */
520 HashList *hash_prefs; /* WebCit preferences for this user */
521 StrBuf *DefaultCharset; /* Charset the user preferes */
522 int downloaded_prefs; /* Has the client download its prefs yet? */
523 int SavePrefsToServer; /* Should we save our preferences to the server at the end of the request? */
524 int selected_language; /* Language selected by user */
525 int time_format_cache; /* which timeformat does our user like? */
527 folder CurRoom; /* information about our current room */
528 const folder *ThisRoom; /* if REST found a room, remember it here. */
529 /* next/previous room thingabob */
530 struct march *march; /* march mode room list */
531 char ugname[128]; /* where does 'ungoto' take us */
532 long uglsn; /* last seen message number for ungoto */
534 /* Uploading; mime attachments for composing messages */
535 HashList *attachments; /* list of attachments for 'enter message' */
536 int upload_length; /* content length of http-uploaded data */
537 StrBuf *upload; /* pointer to http-uploaded data */
538 StrBuf *upload_filename; /* filename of http-uploaded data */
539 char upload_content_type[256]; /* content type of http-uploaded data */
541 int new_mail; /* user has new mail waiting */
542 int remember_new_mail; /* last count of new mail messages */
544 /* Roomiew control */
545 HashList *Floors; /* floors our citserver has hashed numeric for quicker access*/
546 HashList *FloorsByName; /* same but hashed by its name */
547 HashList *Rooms; /* our directory structure as loaded by LKRA */
548 HashList *summ; /* list of messages for mailbox summary view */
549 /** Perhaps these should be within a struct instead */
550 long startmsg; /* message number to start at */
551 long maxmsgs; /* maximum messages to display */
552 long num_displayed; /* number of messages actually displayed */
553 HashList *disp_cal_items; /* sorted list of calendar items; startdate is the sort criteria. */
556 char last_chat_user[256];
558 /* Iconbar controls */
559 struct __ofolder *cache_fold; /* cache the iconbar room list */
560 int cache_max_folders;
561 int cache_num_floors;
562 time_t cache_timestamp;
563 long *IBSettingsVec; /* which icons should be shown / not shown? */
564 const StrBuf *floordiv_expanded; /* which floordiv currently expanded */
568 /* cache stuff for templates. TODO: find a smartrer way */
569 HashList *ServCfg; /* cache our server config for editing */
570 HashList *InetCfg; /* Our inet server config for editing */
571 ExpirePolicy Policy[maxpolicy];
575 typedef void (*Header_Evaluator)(StrBuf *Line, ParsedHttpHdrs *hdr);
577 typedef struct _HttpHeader {
583 void RegisterHeaderHandler(const char *Name, long Len, Header_Evaluator F);
594 #define num_parms(source) num_tokens(source, '|')
597 /* Per-session data */
598 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
599 extern pthread_key_t MyConKey;
601 /* Per-thread SSL context */
603 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
604 extern pthread_key_t ThreadSSL;
605 extern char ctdl_key_dir[PATH_MAX];
606 extern char file_crpt_file_key[PATH_MAX];
607 extern char file_crpt_file_csr[PATH_MAX];
608 extern char file_crpt_file_cer[PATH_MAX];
611 extern char floorlist[128][SIZ];
612 extern char *axdefs[];
613 extern char *ctdlhost, *ctdlport;
614 extern int http_port;
615 extern char *server_cookie;
617 extern int setup_wizard;
618 extern char wizard_filename[];
619 extern int follow_xff;
620 extern int num_threads_existing;
621 extern int num_threads_executing;
623 void InitialiseSemaphores(void);
624 void begin_critical_section(int which_one);
625 void end_critical_section(int which_one);
627 void stuff_to_cookie(int unset_cookie);
629 void cookie_to_stuff(StrBuf *cookie,
636 void locate_host(StrBuf *TBuf, int);
637 void become_logged_in(const StrBuf *user, const StrBuf *pass, StrBuf *serv_response);
638 void openid_manual_create(void);
639 void display_login(void);
640 void display_openids(void);
641 void do_welcome(void);
642 void do_logout(void);
643 void display_main_menu(void);
644 void display_aide_menu(void);
645 void display_advanced_menu(void);
646 void slrp_highest(void);
647 ServInfo *get_serv_info(StrBuf *, StrBuf *);
648 void RegisterEmbeddableMimeType(const char *MimeType, long MTLen, int Priority);
649 void CreateMimeStr(void);
650 int GetConnected(void);
651 void DeleteServInfo(ServInfo **FreeMe);
652 int uds_connectsock(char *);
653 int tcp_connectsock(char *, int);
654 int serv_getln(char *strbuf, int bufsize);
655 int StrBuf_ServGetln(StrBuf *buf);
656 int GetServerStatus(StrBuf *Line, long* FullState);
657 void serv_puts(const char *string);
659 void who_inner_div(void);
660 void ajax_mini_calendar(void);
661 void fmout(char *align);
662 void _fmout(StrBuf *Targt, char *align);
663 void FmOut(StrBuf *Target, char *align, StrBuf *Source);
664 void pullquote_fmout(void);
665 void wDumpContent(int);
669 void UrlescPutStrBuf(const StrBuf *strbuf);
670 void StrEscPuts(const StrBuf *strbuf);
671 void StrEscputs1(const StrBuf *strbuf, int nbsp, int nolinebreaks);
673 void urlescputs(const char *);
674 void hurlescputs(const char *);
675 void jsesc(char *, size_t, char *);
676 void jsescputs(char *);
677 void output_headers( int do_httpheaders,
683 void output_custom_content_header(const char *ctype);
685 #ifdef UBER_VERBOSE_DEBUGGING
686 #define wc_printf(...) wcc_printf(__FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
687 void wcc_printf(const char *FILE, const char *FUNCTION, long LINE, const char *format, ...);
689 void wc_printf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
692 void hprintf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
693 void output_static(const char* What);
695 long stresc(char *target, long tSize, char *strbuf, int nbsp, int nolinebreaks);
696 void escputs(const char *strbuf);
697 void url(char *buf, size_t bufsize);
698 void UrlizeText(StrBuf* Target, StrBuf *Source, StrBuf *WrkBuf);
699 void escputs1(const char *strbuf, int nbsp, int nolinebreaks);
700 void msgesc(char *target, size_t tlen, char *strbuf);
701 void msgescputs(char *strbuf);
702 void msgescputs1(char *strbuf);
703 void dump_vars(void);
704 void embed_main_menu(void);
706 void do_addrbook_view(addrbookent *addrbook, int num_ab);
707 void fetch_ab_name(message_summary *Msg, char **namebuf);
708 void display_vcard(StrBuf *Target, wc_mime_attachment *Mime, char alpha, int full, char **storename, long msgnum);
709 void jsonMessageList(void);
710 void new_summary_view(void);
712 void text_to_server(char *ptr);
713 void text_to_server_qp(char *ptr);
714 void confirm_delete_msg(void);
715 void display_success(char *);
716 void CheckAuthBasic(ParsedHttpHdrs *hdr);
717 void GetAuthBasic(ParsedHttpHdrs *hdr);
718 void server_to_text(void);
719 void save_edit(char *description, char *enter_cmd, int regoto);
720 void display_edit(char *description, char *check_cmd,
721 char *read_cmd, char *save_cmd, int with_room_banner);
722 long gotoroom(const StrBuf *gname);
723 void remove_march(const StrBuf *aaa);
725 void confirm_delete_room(void);
727 void display_graphics_upload(char *, char *, char *);
728 void do_graphics_upload(char *upl_cmd);
729 void serv_gets(char *strbuf);
730 void serv_write(const char *buf, int nbytes);
731 void serv_putbuf(const StrBuf *string);
732 void serv_printf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
733 void load_floorlist(StrBuf *Buf);
734 void shutdown_sessions(void);
735 void do_housekeeping(void);
736 void smart_goto(const StrBuf *);
737 void worker_entry(void);
738 void session_loop(void);
739 size_t wc_strftime(char *s, size_t max, const char *format, const struct tm *tm);
740 void fmt_time(char *buf, size_t siz, time_t thetime);
741 void httpdate(char *buf, time_t thetime);
742 time_t httpdate_to_timestamp(StrBuf *buf);
743 void end_webcit_session(void);
744 void page_popup(void);
745 void http_redirect(const char *);
746 void clear_substs(struct wcsession *wc);
747 void clear_local_substs(void);
751 int lingering_close(int fd);
752 long extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
753 void remove_token(char *source, int parmnum, char separator);
754 StrBuf *load_mimepart(long msgnum, char *partnum);
755 void MimeLoadData(wc_mime_attachment *Mime);
756 int pattern2(char *search, char *patn);
757 void do_edit_vcard(long msgnum, char *partnum,
758 message_summary *VCMsg,
759 wc_mime_attachment *VCAtt,
760 const char *return_to,
761 const char *force_room);
763 void select_user_to_edit(const char *preselect);
764 void delete_user(char *);
765 void do_change_view(int);
770 void offer_start_page(StrBuf *Target, WCTemplputParams *TP);
771 void convenience_page(const char *titlebarcolor, const char *titlebarmsg, const char *messagetext);
772 void output_html(const char *, int, int, StrBuf *, StrBuf *);
773 void do_listsub(void);
774 ssize_t write(int fd, const void *buf, size_t count);
775 void cal_process_attachment(wc_mime_attachment *Mime);
776 void display_calendar(message_summary *Msg, int unread);
777 void display_note(message_summary *Msg, int unread);
778 void updatenote(void);
779 void do_tasks_view(void);
780 int calendar_summary_view(void);
781 void free_march_list(wcsession *wcf);
782 void display_rules_editor_inner_div(void);
783 void generate_uuid(char *);
784 void CtdlMakeTempFileName(char *, int);
785 void address_book_popup(void);
786 void begin_ajax_response(void);
787 void end_ajax_response(void);
788 void initialize_viewdefs(void);
789 void initialize_axdefs(void);
790 void burn_folder_cache(time_t age);
791 void list_all_rooms_by_floor(const char *viewpref);
792 void display_pictureview(void);
794 void display_edit_task(void);
795 void display_edit_event(void);
796 icaltimezone *get_default_icaltimezone(void);
797 void display_icaltimetype_as_webform(struct icaltimetype *, char *, int);
798 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
799 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
800 void partstat_as_string(char *buf, icalproperty *attendee);
801 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
802 void check_attendee_availability(icalcomponent *supplied_vevent);
803 int ical_ctdl_is_overlap(
804 struct icaltimetype t1start,
805 struct icaltimetype t1end,
806 struct icaltimetype t2start,
807 struct icaltimetype t2end
811 extern char *months[];
813 int serv_read_binary(StrBuf *Ret, size_t total_len, StrBuf *Buf);
814 int StrBuf_ServGetBLOB(StrBuf *buf, long BlobSize);
815 int StrBuf_ServGetBLOBBuffered(StrBuf *buf, long BlobSize);
816 int read_server_text(StrBuf *Buf, long *nLines);
817 long locate_user_vcard_in_this_room(message_summary **VCMsg,
818 wc_mime_attachment **VCAtt);
819 void sleeeeeeeeeep(int);
820 void http_transmit_thing(const char *content_type, int is_static);
821 long unescape_input(char *buf);
822 void do_selected_iconbar(void);
823 void check_thread_pool_size(void);
824 void spawn_another_worker_thread(void);
825 void StrEndTab(StrBuf *Target, int tabnum, int num_tabs);
826 void StrBeginTab(StrBuf *Target, int tabnum, int num_tabs);
827 void StrTabbedDialog(StrBuf *Target, int num_tabs, StrBuf *tabnames[]);
828 void tabbed_dialog(int num_tabs, char *tabnames[]);
829 void begin_tab(int tabnum, int num_tabs);
830 void end_tab(int tabnum, int num_tabs);
831 void str_wiki_index(char *s);
832 long guess_calhourformat(void);
833 int get_time_format_cached (void);
834 const char *get_selected_language(void);
835 void display_wiki_pagelist(void);
837 #define DATEFMT_FULL 0
838 #define DATEFMT_BRIEF 1
839 #define DATEFMT_RAWDATE 2
840 #define DATEFMT_LOCALEDATE 3
841 void webcit_fmt_date(char *buf, size_t siz, time_t thetime, int Format);
842 int fetch_http(char *url, char *target_buf, int maxbytes);
843 void free_attachments(wcsession *sess);
846 int is_mobile_ua(char *user_agent);
848 void embed_room_banner(char *, int);
849 HashList *GetFloorListHash(StrBuf *Target, WCTemplputParams *TP);
850 HashList *GetRoomListHash(StrBuf *Target, WCTemplputParams *TP);
851 int SortRoomsByListOrder(const void *room1, const void *room2);
852 /* navbar types that can be passed to embed_room_banner */
858 /* actual supported locales */
859 void TmplGettext(StrBuf *Target, WCTemplputParams *TP);
860 void offer_languages(StrBuf *Target, int nArgs, WCTemplateToken *Token, void *Context, int ContextType);
861 void set_selected_language(const char *);
862 void go_selected_language(void);
863 void stop_selected_language(void);
868 void ssl_lock(int mode, int n, const char *file, int line);
869 int starttls(int sock);
870 extern SSL_CTX *ssl_ctx;
871 int client_read_sslbuffer(StrBuf *buf, int timeout);
872 void client_write_ssl(const StrBuf *Buf);
875 void utf8ify_rfc822_string(char **buf);
877 void begin_burst(void);
878 long end_burst(void);
880 extern char *hourname[]; /* Names of hours (12am, 1am, etc.) */
882 void http_datestring(char *buf, size_t n, time_t xtime);
885 /* These should be empty, but we have them for testing */
886 #define DEFAULT_HTTPAUTH_USER ""
887 #define DEFAULT_HTTPAUTH_PASS ""
890 /* Exit codes 101 through 109 are initialization failures so we don't want to
891 * just keep respawning indefinitely.
893 #define WC_EXIT_BIND 101 /* Can't bind to the port */
894 #define WC_EXIT_SSL 102 /* Can't initialize SSL */
897 #define WC_TIMEFORMAT_NONE 0
898 #define WC_TIMEFORMAT_AMPM 1
899 #define WC_TIMEFORMAT_24 2
901 extern int time_to_die; /* Nonzero if server is shutting down */