2 * Copyright (c) 1987-2010 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 <sys/socket.h>
42 #include <netinet/in.h>
43 #include <arpa/inet.h>
53 #include <sys/utsname.h>
54 #include <libcitadel.h>
66 #define _(string) gettext(string)
68 #define _(string) (string)
71 #define IsEmptyStr(a) ((a)[0] == '\0')
73 * Uncomment to dump an HTTP trace to stderr
74 #define HTTP_TRACING 1
86 #include <libical/ical.h>
92 #undef PACKAGE_TARNAME
93 #undef PACKAGE_VERSION
94 #undef PACKAGE_BUGREPORT
99 #include "paramhandling.h"
101 #include "preferences.h"
104 /* Work around RedHat's b0rken OpenSSL includes */
105 #define OPENSSL_NO_KRB5
106 #include <openssl/ssl.h>
107 #include <openssl/err.h>
108 #include <openssl/rand.h>
109 extern char *ssl_cipher_list;
110 #define DEFAULT_SSL_CIPHER_LIST "DEFAULT" /* See http://openssl.org/docs/apps/ciphers.html */
113 #if SIZEOF_SIZE_T == SIZEOF_INT
114 #define SIZE_T_FMT "%d"
116 #define SIZE_T_FMT "%ld"
119 #if SIZEOF_LONG_UNSIGNED_INT == SIZEOF_INT
120 #define ULONG_FMT "%d"
122 #define ULONG_FMT "%ld"
125 #define CALENDAR_ROOM_NAME "Calendar"
126 #define PRODID "-//Citadel//NONSGML Citadel Calendar//EN"
128 #define SIZ 4096 /* generic buffer size */
130 #define TRACE fprintf(stderr, "\033[7mCheckpoint: %s, %d\033[0m\n", __FILE__, __LINE__)
132 #define SLEEPING 180 /* TCP connection timeout */
133 #define WEBCIT_TIMEOUT 900 /* WebCit session timeout */
134 #define PORT_NUM 2000 /* port number to listen on */
135 #define DEVELOPER_ID 0
137 #define CLIENT_VERSION 789 /* This version of WebCit */
138 #define MINIMUM_CIT_VERSION 789 /* min required Citadel ver */
139 #define LIBCITADEL_MIN 789 /* min required libcitadel ver */
140 #define DEFAULT_HOST "localhost" /* Default Citadel server */
141 #define DEFAULT_PORT "504"
142 #define TARGET "webcit01" /* Target for inline URL's */
143 #define HOUSEKEEPING 15 /* Housekeeping frequency */
144 #define MAX_WORKER_THREADS 250
145 #define LISTEN_QUEUE_LENGTH 100 /* listen() backlog queue */
147 #define USERCONFIGROOM "My Citadel Config"
148 #define DEFAULT_MAXMSGS 20
151 #ifdef LIBCITADEL_VERSION_NUMBER
152 #if LIBCITADEL_VERSION_NUMBER < LIBCITADEL_MIN
153 #error libcitadel is too old. Please upgrade it before continuing.
159 * Room flags (from Citadel)
163 #define QR_PERMANENT 1 /* Room does not purge */
164 #define QR_INUSE 2 /* Set if in use, clear if avail */
165 #define QR_PRIVATE 4 /* Set for any type of private room */
166 #define QR_PASSWORDED 8 /* Set if there's a password too */
167 #define QR_GUESSNAME 16 /* Set if it's a guessname room */
168 #define QR_DIRECTORY 32 /* Directory room */
169 #define QR_UPLOAD 64 /* Allowed to upload */
170 #define QR_DOWNLOAD 128 /* Allowed to download */
171 #define QR_VISDIR 256 /* Visible directory */
172 #define QR_ANONONLY 512 /* Anonymous-Only room */
173 #define QR_ANONOPT 1024 /* Anonymous-Option room */
174 #define QR_NETWORK 2048 /* Shared network room */
175 #define QR_PREFONLY 4096 /* Preferred status needed to enter */
176 #define QR_READONLY 8192 /* Aide status required to post */
177 #define QR_MAILBOX 16384 /* Set if this is a private mailbox */
182 #define QR2_SYSTEM 1 /* System room; hide by default */
183 #define QR2_SELFLIST 2 /* Self-service mailing list mgmt */
184 #define QR2_COLLABDEL 4 /* Anyone who can post can also delete*/
185 #define QR2_SUBJECTREQ 8 /* Subject strongly recommended */
186 #define QR2_SMTP_PUBLIC 16 /* smtp public postable room */
187 #define QR2_MODERATED 32 /* Listservice aide has to permit posts */
193 #define UA_GOTOALLOWED 4
194 #define UA_HASNEWMSGS 8
196 #define UA_POSTALLOWED 32
197 #define UA_ADMINALLOWED 64
198 #define UA_DELETEALLOWED 128
199 #define UA_ISTRASH 256 /* Only available in room view... */
203 * User flags (from Citadel)
205 #define US_NEEDVALID 1 /* User needs to be validated */
206 #define US_PERM 4 /* Permanent user */
207 #define US_LASTOLD 16 /* Print last old message with new */
208 #define US_EXPERT 32 /* Experienced user */
209 #define US_UNLISTED 64 /* Unlisted userlog entry */
210 #define US_NOPROMPT 128 /* Don't prompt after each message */
211 #define US_PROMPTCTL 256 /* <N>ext & <S>top work at prompt */
212 #define US_DISAPPEAR 512 /* Use "disappearing msg prompts" */
213 #define US_REGIS 1024 /* Registered user */
214 #define US_PAGINATOR 2048 /* Pause after each screen of text */
215 #define US_INTERNET 4096 /* Internet mail privileges */
216 #define US_FLOORS 8192 /* User wants to see floors */
217 #define US_COLOR 16384 /* User wants ANSI color support */
218 #define US_USER_SET (US_LASTOLD | US_EXPERT | US_UNLISTED | \
219 US_NOPROMPT | US_DISAPPEAR | US_PAGINATOR | \
220 US_FLOORS | US_COLOR | US_PROMPTCTL )
224 #define SRV_STATUS_MSG(ServerLineBuf) (ChrPtr(ServerLineBuf) + 4), (StrLength(ServerLineBuf) - 4)
225 #define MAJORCODE(a) (((int)(a / 100) ) * 100)
227 #define LISTING_FOLLOWS 100
229 #define MORE_DATA 300
230 #define SEND_LISTING 400
232 #define BINARY_FOLLOWS 600
233 #define SEND_BINARY 700
234 #define START_CHAT_MODE 800
235 #define ASYNC_MSG 900
237 #define MINORCODE(a) (a % 100)
238 #define ASYNC_GEXP 02
239 #define INTERNAL_ERROR 10
241 #define ILLEGAL_VALUE 12
242 #define NOT_LOGGED_IN 20
243 #define CMD_NOT_SUPPORTED 30
244 #define SERVER_SHUTTING_DOWN 31
245 #define PASSWORD_REQUIRED 40
246 #define ALREADY_LOGGED_IN 41
247 #define USERNAME_REQUIRED 42
248 #define HIGHER_ACCESS_REQUIRED 50
249 #define MAX_SESSIONS_EXCEEDED 51
250 #define RESOURCE_BUSY 52
251 #define RESOURCE_NOT_OPEN 53
253 #define INVALID_FLOOR_OPERATION 61
254 #define NO_SUCH_USER 70
255 #define FILE_NOT_FOUND 71
256 #define ROOM_NOT_FOUND 72
257 #define NO_SUCH_SYSTEM 73
258 #define ALREADY_EXISTS 74
259 #define MESSAGE_NOT_FOUND 75
261 * NLI is the string that shows up in a who's online listing for sessions
262 * that are active, but for which no user has yet authenticated.
264 #define NLI "(not logged in)"
267 * Expiry policy for the autopurger
269 #define EXPIRE_NEXTLEVEL 0 /* Inherit expiration policy */
270 #define EXPIRE_MANUAL 1 /* Don't expire messages at all */
271 #define EXPIRE_NUMMSGS 2 /* Keep only latest n messages */
272 #define EXPIRE_AGE 3 /* Expire messages after n days */
273 typedef struct __ExpirePolicy {
274 int loaded; /* has this been loaded from the server? */
278 void LoadExpirePolicy(GPEXWhichPolicy which);
279 void SaveExpirePolicyFromHTTP(GPEXWhichPolicy which);
282 * Linked list of session variables encoded in an x-www-urlencoded content type
284 typedef struct urlcontent urlcontent;
286 char url_key[32]; /* key */
287 StrBuf *url_data; /* value */
291 * Information about the Citadel server to which we are connected
293 typedef struct _serv_info {
294 int serv_pid; /* Process ID of the Citadel server */
295 StrBuf *serv_nodename; /* Node name of the Citadel server */
296 StrBuf *serv_humannode; /* Juman readable node name of the Citadel server */
297 StrBuf *serv_fqdn; /* Fully qualified Domain Name (such as uncensored.citadel.org) */
298 StrBuf *serv_software; /* Free form text description of the server software in use */
299 int serv_rev_level; /* Server version number (times 100) */
300 StrBuf *serv_bbs_city; /* Geographic location of the Citadel server */
301 StrBuf *serv_sysadm; /* Name of system administrator */
302 int serv_supports_ldap; /* is the server linked against an ldap tree for adresses? */
303 int serv_newuser_disabled; /* Has the server disabled self-service new user creation? */
304 StrBuf *serv_default_cal_zone; /* Default timezone for unspecified calendar items */
305 int serv_supports_sieve; /* Server supports Sieve mail filtering */
306 int serv_fulltext_enabled; /* Full text index is enabled */
307 StrBuf *serv_svn_revision; /* svn or git revision of the server */
308 int serv_supports_openid; /* Server supports authentication via OpenID */
309 int serv_supports_guest; /* Server supports unauthenticated guest logins */
313 typedef struct _disp_cal {
314 icalcomponent *cal; /* cal items for display */
315 long cal_msgnum; /* cal msgids for display */
316 char *from; /* owner of this component */
317 int unread; /* already seen by the user? */
324 icalcomponent *SortBy; /* cal items for display */
325 icalproperty_status Status;
328 typedef struct _IcalEnumMap {
331 icalproperty_kind map;
335 * Address book entry (keep it short and sweet, it's just a quickie lookup
336 * which we can use to get to the real meat and bones later)
338 typedef struct _addrbookent {
339 char ab_name[64]; /* name string */
340 long ab_msgnum; /* message number of address book entry */
345 #define ANONYMOUS (1<<1)
346 #define NEED_URL (1<<2)
347 #define XHTTP_COMMANDS (1<<3)
349 #define URLNAMESPACE (1<<4)
350 #define LOGCHATTY (1<<5)
351 #define COOKIEUNNEEDED (1<<6)
352 #define ISSTATIC (1<<7)
353 #define FORCE_SESSIONCLOSE (1<<8)
354 #define PARSE_REST_URL (1<<9)
355 #define PROHIBIT_STARTPAGE (1<<10)
357 typedef enum _RESTDispatchID {
363 typedef int (*WebcitRESTDispatchID)(RESTDispatchID WhichAction, int IgnoreFloor);
364 typedef void (*WebcitHandlerFunc)(void);
365 typedef struct _WebcitHandler{
367 WebcitRESTDispatchID RID;
374 void WebcitAddUrlHandler(const char * UrlString, long UrlSLen, const char *DisplayName, long dslen, WebcitHandlerFunc F, long Flags);
376 typedef struct _headereval {
377 ExamineMsgHeaderFunc evaluator;
406 extern const char *ReqStrs[eNONE];
409 #define AUTH_COOKIE 1
414 typedef struct _HdrRefs {
415 long eReqType; /* HTTP method */
422 time_t if_modified_since;
423 int gzip_ok; /* Nonzero if Accept-encoding: gzip */
424 int prohibit_caching;
428 /* these are references into Hdr->HTTPHeaders, so we don't need to free them. */
432 StrBuf *browser_host;
433 StrBuf *browser_language;
438 const WebcitHandler *Handler;
441 typedef struct _ParsedHttpHdrs {
442 int http_sock; /* HTTP server socket */
450 StrBuf *this_page; /* URL of current page */
453 HashList *urlstrings; /* variables passed to webcit in a URL */
454 HashList *HTTPHeaders; /* the headers the client sent us */
455 int nWildfireHeaders; /* how many wildfire headers did we already send? */
462 * One of these is kept for each active Citadel session.
463 * HTTP transactions are bound to one at a time.
465 typedef struct wcsession wcsession;
467 /* infrastructural members */
468 wcsession *next; /* Linked list */
469 pthread_mutex_t SessionMutex; /* mutex for exclusive access */
470 int wc_session; /* WebCit session ID */
471 int killthis; /* Nonzero == purge this session */
472 int is_mobile; /* Client is a handheld browser */
473 int ctdl_pid; /* Session ID on the Citadel server */
474 int nonce; /* session nonce (to prevent session riding) */
477 /* Session local Members */
478 int serv_sock; /* Client socket to Citadel server */
479 StrBuf *ReadBuf; /* here we keep our stuff while reading linebuffered from the server. */
480 StrBuf *MigrateReadLineBuf; /* here we buffer legacy server read stuff */
481 const char *ReadPos; /* whats our read position in ReadBuf? */
482 int last_chat_seq; /* When in chat - last message seq# we saw */
483 time_t lastreq; /* Timestamp of most recent HTTP */
484 time_t last_pager_check; /* last time we polled for instant msgs */
485 ServInfo *serv_info; /* Information about the citserver we're connected to */
486 int is_ajax; /* are we doing an ajax request? */
488 /* Request local Members */
489 StrBuf *CLineBuf; /* linebuffering client stuff */
491 StrBuf *WBuf; /* Our output buffer */
492 StrBuf *HBuf; /* Our HeaderBuffer */
493 StrBuf *WFBuf; /* Wildfire error logging buffer */
495 StrBuf *trailing_javascript; /* extra javascript to be appended to page */
496 char ImportantMessage[SIZ];
497 StrBuf *ImportantMsg;
498 HashList *Directory; /* Parts of the directory URL in snippets */
499 const Floor *CurrentFloor; /**< when Parsing REST, which floor are we on? */
502 StrBuf *wc_username; /* login name of current user */
503 StrBuf *wc_fullname; /* Screen name of current user */
504 StrBuf *wc_password; /* Password of current user */
505 StrBuf *httpauth_pass; /* only for GroupDAV sessions */
506 int axlevel; /* this user's access level */
507 int is_aide; /* nonzero == this user is an Aide */
508 int connected; /* nonzero == we are connected to Citadel */
509 int logged_in; /* nonzero == we are logged in */
510 int need_regi; /* This user needs to register. */
511 int need_vali; /* New users require validation. */
514 StrBuf *cs_inet_email; /* User's preferred Internet addr. */
515 HashList *hash_prefs; /* WebCit preferences for this user */
516 StrBuf *DefaultCharset; /* Charset the user preferes */
517 int downloaded_prefs; /* Has the client download its prefs yet? */
518 int SavePrefsToServer; /* Should we save our preferences to the server at the end of the request? */
519 int selected_language; /* Language selected by user */
520 int time_format_cache; /* which timeformat does our user like? */
522 folder CurRoom; /* information about our current room */
523 const folder *ThisRoom; /* if REST found a room, remember it here. */
524 /* next/previous room thingabob */
525 struct march *march; /* march mode room list */
526 char ugname[128]; /* where does 'ungoto' take us */
527 long uglsn; /* last seen message number for ungoto */
529 /* Uploading; mime attachments for composing messages */
530 HashList *attachments; /* list of attachments for 'enter message' */
531 int upload_length; /* content length of http-uploaded data */
532 StrBuf *upload; /* pointer to http-uploaded data */
533 StrBuf *upload_filename; /* filename of http-uploaded data */
534 char upload_content_type[256]; /* content type of http-uploaded data */
536 int remember_new_mail; /* last count of new mail messages */
538 /* Roomiew control */
539 HashList *Floors; /* floors our citserver has hashed numeric for quicker access*/
540 HashList *FloorsByName; /* same but hashed by its name */
541 HashList *Rooms; /* our directory structure as loaded by LKRA */
542 HashList *summ; /* list of messages for mailbox summary view */
543 /** Perhaps these should be within a struct instead */
544 long startmsg; /* message number to start at */
545 long maxmsgs; /* maximum messages to display */
546 long num_displayed; /* number of messages actually displayed */
547 HashList *disp_cal_items; /* sorted list of calendar items; startdate is the sort criteria. */
550 char last_chat_user[256];
552 /* Iconbar controls */
553 int cache_max_folders;
554 int cache_num_floors;
555 long *IBSettingsVec; /* which icons should be shown / not shown? */
556 const StrBuf *floordiv_expanded; /* which floordiv currently expanded */
558 /* Transcoding cache buffers; used to avoid to frequent realloc */
562 /* cache stuff for templates. TODO: find a smartrer way */
563 HashList *ServCfg; /* cache our server config for editing */
564 HashList *InetCfg; /* Our inet server config for editing */
565 ExpirePolicy Policy[maxpolicy];
567 /* used by the blog viewer */
568 int bptlid; /* hash of thread currently being rendered */
572 typedef void (*Header_Evaluator)(StrBuf *Line, ParsedHttpHdrs *hdr);
574 typedef struct _HttpHeader {
580 void RegisterHeaderHandler(const char *Name, long Len, Header_Evaluator F);
590 #define num_parms(source) num_tokens(source, '|')
593 /* Per-session data */
594 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
595 extern pthread_key_t MyConKey;
597 /* Per-thread SSL context */
599 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
600 extern pthread_key_t ThreadSSL;
601 extern char ctdl_key_dir[PATH_MAX];
602 extern char file_crpt_file_key[PATH_MAX];
603 extern char file_crpt_file_csr[PATH_MAX];
604 extern char file_crpt_file_cer[PATH_MAX];
607 extern char floorlist[128][SIZ];
608 extern char *axdefs[];
609 extern char *ctdlhost, *ctdlport;
610 extern int http_port;
611 extern char *server_cookie;
613 extern int setup_wizard;
614 extern char wizard_filename[];
615 extern int follow_xff;
616 extern int num_threads_existing;
617 extern int num_threads_executing;
618 extern StrBuf *site_prefix;
620 void InitialiseSemaphores(void);
621 void begin_critical_section(int which_one);
622 void end_critical_section(int which_one);
624 void stuff_to_cookie(int unset_cookie);
626 void cookie_to_stuff(StrBuf *cookie,
633 void locate_host(StrBuf *TBuf, int);
634 void become_logged_in(const StrBuf *user, const StrBuf *pass, StrBuf *serv_response);
635 void openid_manual_create(void);
636 void display_login(void);
637 void display_openids(void);
638 void display_default_landing_page(void);
639 void do_welcome(void);
640 void do_logout(void);
641 void display_main_menu(void);
642 void display_aide_menu(void);
643 void slrp_highest(void);
644 ServInfo *get_serv_info(StrBuf *, StrBuf *);
645 void RegisterEmbeddableMimeType(const char *MimeType, long MTLen, int Priority);
646 void CreateMimeStr(void);
647 int GetConnected(void);
648 void DeleteServInfo(ServInfo **FreeMe);
649 int uds_connectsock(char *);
650 int tcp_connectsock(char *, char *);
651 int serv_getln(char *strbuf, int bufsize);
652 int StrBuf_ServGetln(StrBuf *buf);
653 int GetServerStatus(StrBuf *Line, long* FullState);
654 void serv_puts(const char *string);
657 void ajax_mini_calendar(void);
658 void fmout(char *align);
659 void _fmout(StrBuf *Targt, char *align);
660 void FmOut(StrBuf *Target, char *align, StrBuf *Source);
661 void pullquote_fmout(void);
662 void wDumpContent(int);
665 void PutRequestLocalMem(void *Data, DeleteHashDataFunc DeleteIt);
667 void UrlescPutStrBuf(const StrBuf *strbuf);
668 void StrEscPuts(const StrBuf *strbuf);
669 void StrEscputs1(const StrBuf *strbuf, int nbsp, int nolinebreaks);
671 void urlescputs(const char *);
672 void hurlescputs(const char *);
673 void jsesc(char *, size_t, char *);
674 void jsescputs(char *);
675 void output_headers( int do_httpheaders,
681 void output_custom_content_header(const char *ctype);
683 #ifdef UBER_VERBOSE_DEBUGGING
684 #define wc_printf(...) wcc_printf(__FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
685 void wcc_printf(const char *FILE, const char *FUNCTION, long LINE, const char *format, ...);
687 void wc_printf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
690 void hprintf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
691 void output_static(const char* What);
693 long stresc(char *target, long tSize, char *strbuf, int nbsp, int nolinebreaks);
694 void escputs(const char *strbuf);
695 void url(char *buf, size_t bufsize);
696 void UrlizeText(StrBuf* Target, StrBuf *Source, StrBuf *WrkBuf);
697 void escputs1(const char *strbuf, int nbsp, int nolinebreaks);
698 void msgesc(char *target, size_t tlen, char *strbuf);
699 void msgescputs(char *strbuf);
700 void msgescputs1(char *strbuf);
701 void dump_vars(void);
703 void do_addrbook_view(addrbookent *addrbook, int num_ab);
704 void fetch_ab_name(message_summary *Msg, char **namebuf);
705 void display_vcard(StrBuf *Target, wc_mime_attachment *Mime, char alpha, int full, char **storename, long msgnum);
706 void jsonMessageList(void);
707 void new_summary_view(void);
708 void text_to_server(char *ptr);
709 void text_to_server_qp(char *ptr);
710 void display_success(char *);
711 void CheckAuthBasic(ParsedHttpHdrs *hdr);
712 void GetAuthBasic(ParsedHttpHdrs *hdr);
713 void server_to_text(void);
714 void save_edit(char *description, char *enter_cmd, int regoto);
715 void display_edit(char *description, char *check_cmd,
716 char *read_cmd, char *save_cmd, int with_room_banner);
717 long gotoroom(const StrBuf *gname);
718 void remove_march(const StrBuf *aaa);
721 void display_graphics_upload(char *, char *, char *);
722 void do_graphics_upload(char *upl_cmd);
723 void serv_write(const char *buf, int nbytes);
724 void serv_putbuf(const StrBuf *string);
725 void serv_printf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
726 void shutdown_sessions(void);
727 void do_housekeeping(void);
728 void smart_goto(const StrBuf *);
729 void worker_entry(void);
730 void session_loop(void);
731 size_t wc_strftime(char *s, size_t max, const char *format, const struct tm *tm);
732 void fmt_time(char *buf, size_t siz, time_t thetime);
733 void httpdate(char *buf, time_t thetime);
734 time_t httpdate_to_timestamp(StrBuf *buf);
735 void end_webcit_session(void);
736 void page_popup(void);
737 void http_redirect(const char *);
738 void clear_substs(struct wcsession *wc);
739 void clear_local_substs(void);
743 int lingering_close(int fd);
744 long extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
745 void remove_token(char *source, int parmnum, char separator);
746 StrBuf *load_mimepart(long msgnum, char *partnum);
747 void MimeLoadData(wc_mime_attachment *Mime);
748 void do_edit_vcard(long msgnum, char *partnum,
749 message_summary *VCMsg,
750 wc_mime_attachment *VCAtt,
751 const char *return_to,
752 const char *force_room);
754 void select_user_to_edit(const char *preselect);
755 void delete_user(char *);
756 void do_change_view(int);
761 void offer_start_page(StrBuf *Target, WCTemplputParams *TP);
762 void convenience_page(const char *titlebarcolor, const char *titlebarmsg, const char *messagetext);
763 void output_html(const char *, int, int, StrBuf *, StrBuf *);
764 void do_listsub(void);
765 ssize_t write(int fd, const void *buf, size_t count);
766 void cal_process_attachment(wc_mime_attachment *Mime);
767 void do_tasks_view(void);
768 int calendar_summary_view(void);
769 void free_march_list(wcsession *wcf);
770 void display_rules_editor_inner_div(void);
771 void generate_uuid(char *);
772 void CtdlMakeTempFileName(char *, int);
773 void address_book_popup(void);
774 void begin_ajax_response(void);
775 void end_ajax_response(void);
777 void display_edit_task(void);
778 void display_edit_event(void);
779 icaltimezone *get_default_icaltimezone(void);
780 void display_icaltimetype_as_webform(struct icaltimetype *, char *, int);
781 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
782 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
783 void partstat_as_string(char *buf, icalproperty *attendee);
784 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
785 void check_attendee_availability(icalcomponent *supplied_vevent);
786 int ical_ctdl_is_overlap(
787 struct icaltimetype t1start,
788 struct icaltimetype t1end,
789 struct icaltimetype t2start,
790 struct icaltimetype t2end
794 extern char *months[];
796 int serv_read_binary(StrBuf *Ret, size_t total_len, StrBuf *Buf);
797 int StrBuf_ServGetBLOB(StrBuf *buf, long BlobSize);
798 int StrBuf_ServGetBLOBBuffered(StrBuf *buf, long BlobSize);
799 int read_server_text(StrBuf *Buf, long *nLines);
800 long locate_user_vcard_in_this_room(message_summary **VCMsg,
801 wc_mime_attachment **VCAtt);
802 void sleeeeeeeeeep(int);
803 void http_transmit_thing(const char *content_type, int is_static);
804 long unescape_input(char *buf);
805 void check_thread_pool_size(void);
806 void spawn_another_worker_thread(void);
807 void StrEndTab(StrBuf *Target, int tabnum, int num_tabs);
808 void StrBeginTab(StrBuf *Target, int tabnum, int num_tabs, StrBuf **Names);
809 void StrTabbedDialog(StrBuf *Target, int num_tabs, StrBuf *tabnames[]);
810 void tabbed_dialog(int num_tabs, char *tabnames[]);
811 void begin_tab(int tabnum, int num_tabs);
812 void end_tab(int tabnum, int num_tabs);
813 void str_wiki_index(char *s);
814 long guess_calhourformat(void);
815 int get_time_format_cached (void);
816 const char *get_selected_language(void);
817 void display_wiki_pagelist(void);
818 HashList *GetRoomListHashLKRA(StrBuf *Target, WCTemplputParams *TP);
820 #define DATEFMT_FULL 0
821 #define DATEFMT_BRIEF 1
822 #define DATEFMT_RAWDATE 2
823 #define DATEFMT_LOCALEDATE 3
824 void webcit_fmt_date(char *buf, size_t siz, time_t thetime, int Format);
827 int is_mobile_ua(char *user_agent);
829 /* actual supported locales */
830 void TmplGettext(StrBuf *Target, WCTemplputParams *TP);
831 void offer_languages(StrBuf *Target, int nArgs, WCTemplateToken *Token, void *Context, int ContextType);
832 void set_selected_language(const char *);
833 void go_selected_language(void);
834 void stop_selected_language(void);
839 void ssl_lock(int mode, int n, const char *file, int line);
840 int starttls(int sock);
841 extern SSL_CTX *ssl_ctx;
842 int client_read_sslbuffer(StrBuf *buf, int timeout);
843 void client_write_ssl(const StrBuf *Buf);
846 void utf8ify_rfc822_string(char **buf);
848 void begin_burst(void);
849 long end_burst(void);
851 void AppendImportantMessage(const char *pch, long len);
853 extern char *hourname[]; /* Names of hours (12am, 1am, etc.) */
855 void http_datestring(char *buf, size_t n, time_t xtime);
858 /* These should be empty, but we have them for testing */
859 #define DEFAULT_HTTPAUTH_USER ""
860 #define DEFAULT_HTTPAUTH_PASS ""
863 /* Exit codes 101 through 109 are initialization failures so we don't want to
864 * just keep respawning indefinitely.
866 #define WC_EXIT_BIND 101 /* Can't bind to the port */
867 #define WC_EXIT_SSL 102 /* Can't initialize SSL */
870 #define WC_TIMEFORMAT_NONE 0
871 #define WC_TIMEFORMAT_AMPM 1
872 #define WC_TIMEFORMAT_24 2
874 extern int time_to_die; /* Nonzero if server is shutting down */