2 * Copyright (c) 1987-2011 by the citadel.org team
4 * This program is open source software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as published
6 * by 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>
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
79 #define DBG_QR(x) if(DO_DBG_QR) _DBG_QR(x)
80 #define DBG_QR2(x) if(DO_DBG_QR) _DBG_QR2(x)
91 #include <libical/ical.h>
97 #undef PACKAGE_TARNAME
98 #undef PACKAGE_VERSION
99 #undef PACKAGE_BUGREPORT
103 #include "messages.h"
104 #include "paramhandling.h"
106 #include "preferences.h"
109 /* Work around RedHat's b0rken OpenSSL includes */
110 #define OPENSSL_NO_KRB5
111 #include <openssl/ssl.h>
112 #include <openssl/err.h>
113 #include <openssl/rand.h>
114 extern char *ssl_cipher_list;
115 #define DEFAULT_SSL_CIPHER_LIST "DEFAULT" /* See http://openssl.org/docs/apps/ciphers.html */
118 #if SIZEOF_SIZE_T == SIZEOF_INT
119 #define SIZE_T_FMT "%d"
121 #define SIZE_T_FMT "%ld"
124 #if SIZEOF_LONG_UNSIGNED_INT == SIZEOF_INT
125 #define ULONG_FMT "%d"
127 #define ULONG_FMT "%ld"
130 #define CALENDAR_ROOM_NAME "Calendar"
131 #define PRODID "-//Citadel//NONSGML Citadel Calendar//EN"
133 #define SIZ 4096 /* generic buffer size */
135 #define TRACE fprintf(stderr, "\033[7mCheckpoint: %s, %d\033[0m\n", __FILE__, __LINE__)
137 #define SLEEPING 180 /* TCP connection timeout */
138 #define WEBCIT_TIMEOUT 900 /* WebCit session timeout */
139 #define PORT_NUM 2000 /* port number to listen on */
140 #define DEVELOPER_ID 0
142 #define CLIENT_VERSION 800 /* This version of WebCit */
143 #define MINIMUM_CIT_VERSION 800 /* min required Citadel ver */
144 #define LIBCITADEL_MIN 800 /* min required libcitadel ver */
145 #define DEFAULT_HOST "localhost" /* Default Citadel server */
146 #define DEFAULT_PORT "504"
147 #define TARGET "webcit01" /* Target for inline URL's */
148 #define HOUSEKEEPING 15 /* Housekeeping frequency */
149 #define MAX_WORKER_THREADS 250
150 #define LISTEN_QUEUE_LENGTH 100 /* listen() backlog queue */
152 #define USERCONFIGROOM "My Citadel Config"
153 #define DEFAULT_MAXMSGS 20
156 #ifdef LIBCITADEL_VERSION_NUMBER
157 #if LIBCITADEL_VERSION_NUMBER < LIBCITADEL_MIN
158 #error libcitadel is too old. Please upgrade it before continuing.
164 * Room flags (from Citadel)
168 #define QR_PERMANENT 1 /* Room does not purge */
169 #define QR_INUSE 2 /* Set if in use, clear if avail */
170 #define QR_PRIVATE 4 /* Set for any type of private room */
171 #define QR_PASSWORDED 8 /* Set if there's a password too */
172 #define QR_GUESSNAME 16 /* Set if it's a guessname room */
173 #define QR_DIRECTORY 32 /* Directory room */
174 #define QR_UPLOAD 64 /* Allowed to upload */
175 #define QR_DOWNLOAD 128 /* Allowed to download */
176 #define QR_VISDIR 256 /* Visible directory */
177 #define QR_ANONONLY 512 /* Anonymous-Only room */
178 #define QR_ANONOPT 1024 /* Anonymous-Option room */
179 #define QR_NETWORK 2048 /* Shared network room */
180 #define QR_PREFONLY 4096 /* Preferred status needed to enter */
181 #define QR_READONLY 8192 /* Aide status required to post */
182 #define QR_MAILBOX 16384 /* Set if this is a private mailbox */
187 #define QR2_SYSTEM 1 /* System room; hide by default */
188 #define QR2_SELFLIST 2 /* Self-service mailing list mgmt */
189 #define QR2_COLLABDEL 4 /* Anyone who can post can also delete*/
190 #define QR2_SUBJECTREQ 8 /* Subject strongly recommended */
191 #define QR2_SMTP_PUBLIC 16 /* smtp public postable room */
192 #define QR2_MODERATED 32 /* Listservice aide has to permit posts */
198 #define UA_GOTOALLOWED 4
199 #define UA_HASNEWMSGS 8
201 #define UA_POSTALLOWED 32
202 #define UA_ADMINALLOWED 64
203 #define UA_DELETEALLOWED 128
204 #define UA_ISTRASH 256 /* Only available in room view... */
208 * User flags (from Citadel)
210 #define US_NEEDVALID 1 /* User needs to be validated */
211 #define US_PERM 4 /* Permanent user */
212 #define US_LASTOLD 16 /* Print last old message with new */
213 #define US_EXPERT 32 /* Experienced user */
214 #define US_UNLISTED 64 /* Unlisted userlog entry */
215 #define US_NOPROMPT 128 /* Don't prompt after each message */
216 #define US_PROMPTCTL 256 /* <N>ext & <S>top work at prompt */
217 #define US_DISAPPEAR 512 /* Use "disappearing msg prompts" */
218 #define US_REGIS 1024 /* Registered user */
219 #define US_PAGINATOR 2048 /* Pause after each screen of text */
220 #define US_INTERNET 4096 /* Internet mail privileges */
221 #define US_FLOORS 8192 /* User wants to see floors */
222 #define US_COLOR 16384 /* User wants ANSI color support */
223 #define US_USER_SET (US_LASTOLD | US_EXPERT | US_UNLISTED | \
224 US_NOPROMPT | US_DISAPPEAR | US_PAGINATOR | \
225 US_FLOORS | US_COLOR | US_PROMPTCTL )
229 #define SRV_STATUS_MSG(ServerLineBuf) (ChrPtr(ServerLineBuf) + 4), (StrLength(ServerLineBuf) - 4)
230 #define MAJORCODE(a) (((int)(a / 100) ) * 100)
232 #define LISTING_FOLLOWS 100
234 #define MORE_DATA 300
235 #define SEND_LISTING 400
237 #define BINARY_FOLLOWS 600
238 #define SEND_BINARY 700
239 #define START_CHAT_MODE 800
240 #define ASYNC_MSG 900
242 #define MINORCODE(a) (a % 100)
243 #define ASYNC_GEXP 02
244 #define INTERNAL_ERROR 10
246 #define ILLEGAL_VALUE 12
247 #define NOT_LOGGED_IN 20
248 #define CMD_NOT_SUPPORTED 30
249 #define SERVER_SHUTTING_DOWN 31
250 #define PASSWORD_REQUIRED 40
251 #define ALREADY_LOGGED_IN 41
252 #define USERNAME_REQUIRED 42
253 #define HIGHER_ACCESS_REQUIRED 50
254 #define MAX_SESSIONS_EXCEEDED 51
255 #define RESOURCE_BUSY 52
256 #define RESOURCE_NOT_OPEN 53
258 #define INVALID_FLOOR_OPERATION 61
259 #define NO_SUCH_USER 70
260 #define FILE_NOT_FOUND 71
261 #define ROOM_NOT_FOUND 72
262 #define NO_SUCH_SYSTEM 73
263 #define ALREADY_EXISTS 74
264 #define MESSAGE_NOT_FOUND 75
267 * NLI is the string that shows up in a who's online listing for sessions
268 * that are active but do not (yet) have a user logged in.
270 #define NLI "(not logged in)"
273 * Expiry policy for the autopurger
275 #define EXPIRE_NEXTLEVEL 0 /* Inherit expiration policy */
276 #define EXPIRE_MANUAL 1 /* Don't expire messages at all */
277 #define EXPIRE_NUMMSGS 2 /* Keep only latest n messages */
278 #define EXPIRE_AGE 3 /* Expire messages after n days */
279 typedef struct __ExpirePolicy {
280 int loaded; /* has this been loaded from the server? */
284 void LoadExpirePolicy(GPEXWhichPolicy which);
285 void SaveExpirePolicyFromHTTP(GPEXWhichPolicy which);
288 * Linked list of session variables encoded in an x-www-urlencoded content type
290 typedef struct urlcontent urlcontent;
292 char url_key[32]; /* key */
293 StrBuf *url_data; /* value */
297 * Information about the Citadel server to which we are connected
299 typedef struct _serv_info {
300 int serv_pid; /* Process ID of the Citadel server */
301 StrBuf *serv_nodename; /* Node name of the Citadel server */
302 StrBuf *serv_humannode; /* Juman readable node name of the Citadel server */
303 StrBuf *serv_fqdn; /* Fully qualified Domain Name (such as uncensored.citadel.org) */
304 StrBuf *serv_software; /* Free form text description of the server software in use */
305 int serv_rev_level; /* Server version number (times 100) */
306 StrBuf *serv_bbs_city; /* Geographic location of the Citadel server */
307 StrBuf *serv_sysadm; /* Name of system administrator */
308 int serv_supports_ldap; /* is the server linked against an ldap tree for adresses? */
309 int serv_newuser_disabled; /* Has the server disabled self-service new user creation? */
310 StrBuf *serv_default_cal_zone; /* Default timezone for unspecified calendar items */
311 int serv_supports_sieve; /* Server supports Sieve mail filtering */
312 int serv_fulltext_enabled; /* Full text index is enabled */
313 StrBuf *serv_svn_revision; /* svn or git revision of the server */
314 int serv_supports_openid; /* Server supports authentication via OpenID */
315 int serv_supports_guest; /* Server supports unauthenticated guest logins */
319 typedef struct _disp_cal {
320 icalcomponent *cal; /* cal items for display */
321 long cal_msgnum; /* cal msgids for display */
322 char *from; /* owner of this component */
323 int unread; /* already seen by the user? */
330 icalcomponent *SortBy; /* cal items for display */
331 icalproperty_status Status;
334 typedef struct _IcalEnumMap {
337 icalproperty_kind map;
341 * Address book entry (keep it short and sweet, it's just a quickie lookup
342 * which we can use to get to the real meat and bones later)
344 typedef struct _addrbookent {
345 char ab_name[64]; /* name string */
346 long ab_msgnum; /* message number of address book entry */
351 #define ANONYMOUS (1<<1)
352 #define NEED_URL (1<<2)
353 #define XHTTP_COMMANDS (1<<3)
355 #define URLNAMESPACE (1<<4)
356 #define LOGCHATTY (1<<5)
357 #define COOKIEUNNEEDED (1<<6)
358 #define ISSTATIC (1<<7)
359 #define FORCE_SESSIONCLOSE (1<<8)
360 #define PARSE_REST_URL (1<<9)
361 #define PROHIBIT_STARTPAGE (1<<10)
363 typedef enum _RESTDispatchID {
369 typedef int (*WebcitRESTDispatchID)(RESTDispatchID WhichAction, int IgnoreFloor);
370 typedef void (*WebcitHandlerFunc)(void);
371 typedef struct _WebcitHandler{
373 WebcitRESTDispatchID RID;
380 void WebcitAddUrlHandler(const char * UrlString, long UrlSLen, const char *DisplayName, long dslen, WebcitHandlerFunc F, long Flags);
382 typedef struct _headereval {
383 ExamineMsgHeaderFunc evaluator;
412 extern const char *ReqStrs[eNONE];
415 #define AUTH_COOKIE 1
420 typedef struct _HdrRefs {
421 long eReqType; /* HTTP method */
428 time_t if_modified_since;
429 int gzip_ok; /* Nonzero if Accept-encoding: gzip */
430 int prohibit_caching;
434 /* these are references into Hdr->HTTPHeaders, so we don't need to free them. */
438 StrBuf *browser_host;
439 StrBuf *browser_language;
444 const WebcitHandler *Handler;
447 typedef struct _ParsedHttpHdrs {
448 int http_sock; /* HTTP server socket */
456 StrBuf *this_page; /* URL of current page */
460 HashList *urlstrings; /* variables passed to webcit in a URL */
461 HashList *HTTPHeaders; /* the headers the client sent us */
462 int nWildfireHeaders; /* how many wildfire headers did we already send? */
469 * One of these is kept for each active Citadel session.
470 * HTTP transactions are bound to one at a time.
472 typedef struct wcsession wcsession;
474 /* infrastructural members */
475 wcsession *next; /* Linked list */
476 pthread_mutex_t SessionMutex; /* mutex for exclusive access */
477 int wc_session; /* WebCit session ID */
478 int killthis; /* Nonzero == purge this session */
479 int ctdl_pid; /* Session ID on the Citadel server */
480 int nonce; /* session nonce (to prevent session riding) */
483 /* Session local Members */
484 int serv_sock; /* Client socket to Citadel server */
485 StrBuf *ReadBuf; /* linebuffered reads from the server */
486 StrBuf *MigrateReadLineBuf; /* here we buffer legacy server read stuff */
487 const char *ReadPos; /* whats our read position in ReadBuf? */
488 int last_chat_seq; /* When in chat - last message seq# we saw */
489 time_t lastreq; /* Timestamp of most recent HTTP */
490 time_t last_pager_check; /* last time we polled for instant msgs */
491 ServInfo *serv_info; /* Information about the citserver we're connected to */
492 int is_ajax; /* are we doing an ajax request? */
493 StrBuf *PushedDestination; /* Where to go after login, registration, etc. */
495 /* Request local Members */
496 StrBuf *CLineBuf; /* linebuffering client stuff */
498 StrBuf *WBuf; /* Our output buffer */
499 StrBuf *HBuf; /* Our HeaderBuffer */
500 StrBuf *WFBuf; /* Wildfire error logging buffer */
502 StrBuf *trailing_javascript; /* extra javascript to be appended to page */
503 char ImportantMessage[SIZ];
504 StrBuf *ImportantMsg;
505 HashList *Directory; /* Parts of the directory URL in snippets */
506 const Floor *CurrentFloor; /* when Parsing REST, which floor are we on? */
509 StrBuf *wc_username; /* login name of current user */
510 StrBuf *wc_fullname; /* Screen name of current user */
511 StrBuf *wc_password; /* Password of current user */
512 StrBuf *httpauth_pass; /* only for GroupDAV sessions */
513 int axlevel; /* this user's access level */
514 int is_aide; /* nonzero == this user is an Aide */
515 int connected; /* nonzero == we are connected to Citadel */
516 int logged_in; /* nonzero == we are logged in */
517 int need_regi; /* This user needs to register. */
518 int need_vali; /* New users require validation. */
521 StrBuf *cs_inet_email; /* User's preferred Internet addr. */
522 HashList *hash_prefs; /* WebCit preferences for this user */
523 StrBuf *DefaultCharset; /* Charset the user preferes */
524 int downloaded_prefs; /* Has the client download its prefs yet? */
525 int SavePrefsToServer; /* Should we save our preferences to the server at the end of the request? */
526 int selected_language; /* Language selected by user */
527 int time_format_cache; /* which timeformat does our user like? */
529 folder CurRoom; /* information about our current room */
530 const folder *ThisRoom; /* if REST found a room, remember it here. */
531 /* next/previous room thingabob */
532 struct march *march; /* march mode room list */
533 char ugname[128]; /* where does 'ungoto' take us */
534 long uglsn; /* last seen message number for ungoto */
536 /* Uploading; mime attachments for composing messages */
537 HashList *attachments; /* list of attachments for 'enter message' */
538 int upload_length; /* content length of http-uploaded data */
539 StrBuf *upload; /* pointer to http-uploaded data */
540 StrBuf *upload_filename; /* filename of http-uploaded data */
541 char upload_content_type[256]; /* content type of http-uploaded data */
543 int remember_new_mail; /* last count of new mail messages */
545 /* Roomiew control */
546 HashList *Floors; /* floors our citserver has hashed numeric for quicker access*/
547 HashList *FloorsByName; /* same but hashed by its name */
548 HashList *Rooms; /* our directory structure as loaded by LKRA */
549 HashList *summ; /* list of messages for mailbox summary view */
550 /** Perhaps these should be within a struct instead */
551 long startmsg; /* message number to start at */
552 long maxmsgs; /* maximum messages to display */
553 long num_displayed; /* number of messages actually displayed */
554 HashList *disp_cal_items; /* sorted list of calendar items; startdate is the sort criteria. */
557 char last_chat_user[256];
559 /* Iconbar controls */
560 int cache_max_folders;
561 int cache_num_floors;
562 long *IBSettingsVec; /* which icons should be shown / not shown? */
563 const StrBuf *floordiv_expanded; /* which floordiv currently expanded */
564 int ib_wholist_expanded;
565 int ib_roomlist_expanded;
567 /* Transcoding cache buffers; used to avoid to frequent realloc */
571 /* cache stuff for templates. TODO: find a smartrer way */
572 HashList *ServCfg; /* cache our server config for editing */
573 HashList *InetCfg; /* Our inet server config for editing */
574 ExpirePolicy Policy[maxpolicy];
576 /* used by the blog viewer */
577 int bptlid; /* hash of thread currently being rendered */
581 typedef void (*Header_Evaluator)(StrBuf *Line, ParsedHttpHdrs *hdr);
583 typedef struct _HttpHeader {
589 void RegisterHeaderHandler(const char *Name, long Len, Header_Evaluator F);
599 #define num_parms(source) num_tokens(source, '|')
602 #define site_prefix (WC ? (WC->Hdr->HostHeader) : NULL)
604 /* Per-session data */
605 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
606 extern pthread_key_t MyConKey;
608 /* Per-thread SSL context */
610 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
611 extern pthread_key_t ThreadSSL;
612 extern char ctdl_key_dir[PATH_MAX];
613 extern char file_crpt_file_key[PATH_MAX];
614 extern char file_crpt_file_csr[PATH_MAX];
615 extern char file_crpt_file_cer[PATH_MAX];
618 extern char floorlist[128][SIZ];
619 extern char *axdefs[];
620 extern char *ctdlhost, *ctdlport;
621 extern int http_port;
622 extern char *server_cookie;
624 extern int setup_wizard;
625 extern char wizard_filename[];
626 extern int follow_xff;
627 extern int num_threads_existing;
628 extern int num_threads_executing;
630 void InitialiseSemaphores(void);
631 void begin_critical_section(int which_one);
632 void end_critical_section(int which_one);
634 void stuff_to_cookie(int unset_cookie);
636 void cookie_to_stuff(StrBuf *cookie,
643 void locate_host(StrBuf *TBuf, int);
644 void become_logged_in(const StrBuf *user, const StrBuf *pass, StrBuf *serv_response);
645 void openid_manual_create(void);
646 void display_login(void);
647 void display_openids(void);
648 void display_default_landing_page(void);
649 void do_welcome(void);
650 void do_logout(void);
651 void display_reg(int during_login);
652 void display_main_menu(void);
653 void display_aide_menu(void);
654 void slrp_highest(void);
655 ServInfo *get_serv_info(StrBuf *, StrBuf *);
656 void RegisterEmbeddableMimeType(const char *MimeType, long MTLen, int Priority);
657 void CreateMimeStr(void);
658 int GetConnected(void);
659 void DeleteServInfo(ServInfo **FreeMe);
660 int uds_connectsock(char *);
661 int tcp_connectsock(char *, char *);
662 int serv_getln(char *strbuf, int bufsize);
663 int StrBuf_ServGetln(StrBuf *buf);
664 int GetServerStatus(StrBuf *Line, long* FullState);
665 void serv_puts(const char *string);
667 void push_destination(void);
668 void pop_destination(void);
669 void robots_txt(void);
670 extern void do_404(void);
672 void ajax_mini_calendar(void);
673 void fmout(char *align);
674 void _fmout(StrBuf *Targt, char *align);
675 void FmOut(StrBuf *Target, char *align, StrBuf *Source);
676 void pullquote_fmout(void);
677 void wDumpContent(int);
680 void PutRequestLocalMem(void *Data, DeleteHashDataFunc DeleteIt);
682 void UrlescPutStrBuf(const StrBuf *strbuf);
683 void StrEscPuts(const StrBuf *strbuf);
684 void StrEscputs1(const StrBuf *strbuf, int nbsp, int nolinebreaks);
686 void urlescputs(const char *);
687 void hurlescputs(const char *);
688 void jsesc(char *, size_t, char *);
689 void jsescputs(char *);
690 void output_headers( int do_httpheaders,
696 void output_custom_content_header(const char *ctype);
698 #ifdef UBER_VERBOSE_DEBUGGING
699 #define wc_printf(...) wcc_printf(__FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
700 void wcc_printf(const char *FILE, const char *FUNCTION, long LINE, const char *format, ...);
702 void wc_printf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
705 void hprintf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
706 void output_static(const char* What);
708 long stresc(char *target, long tSize, char *strbuf, int nbsp, int nolinebreaks);
709 void escputs(const char *strbuf);
710 void url(char *buf, size_t bufsize);
711 void UrlizeText(StrBuf* Target, StrBuf *Source, StrBuf *WrkBuf);
712 void escputs1(const char *strbuf, int nbsp, int nolinebreaks);
713 void msgesc(char *target, size_t tlen, char *strbuf);
714 void msgescputs(char *strbuf);
715 void msgescputs1(char *strbuf);
716 void dump_vars(void);
718 void do_addrbook_view(addrbookent *addrbook, int num_ab);
719 void fetch_ab_name(message_summary *Msg, char **namebuf);
720 void display_vcard(StrBuf *Target, wc_mime_attachment *Mime, char alpha, int full, char **storename, long msgnum);
721 void jsonMessageList(void);
722 void new_summary_view(void);
723 void text_to_server(char *ptr);
724 void text_to_server_qp(char *ptr);
725 void display_success(char *);
726 void CheckAuthBasic(ParsedHttpHdrs *hdr);
727 void GetAuthBasic(ParsedHttpHdrs *hdr);
728 void server_to_text(void);
729 void save_edit(char *description, char *enter_cmd, int regoto);
730 void display_edit(char *description, char *check_cmd,
731 char *read_cmd, char *save_cmd, int with_room_banner);
732 long gotoroom(const StrBuf *gname);
733 void remove_march(const StrBuf *aaa);
736 void display_graphics_upload(char *, char *, char *);
737 void do_graphics_upload(char *upl_cmd);
738 void serv_write(const char *buf, int nbytes);
739 void serv_putbuf(const StrBuf *string);
740 void serv_printf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
741 void shutdown_sessions(void);
742 void do_housekeeping(void);
743 void smart_goto(const StrBuf *);
744 void worker_entry(void);
745 void session_loop(void);
746 size_t wc_strftime(char *s, size_t max, const char *format, const struct tm *tm);
747 void fmt_time(char *buf, size_t siz, time_t thetime);
748 void httpdate(char *buf, time_t thetime);
749 time_t httpdate_to_timestamp(StrBuf *buf);
750 void end_webcit_session(void);
751 void page_popup(void);
752 void http_redirect(const char *);
753 void clear_substs(struct wcsession *wc);
754 void clear_local_substs(void);
758 int lingering_close(int fd);
759 long extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
760 void remove_token(char *source, int parmnum, char separator);
761 StrBuf *load_mimepart(long msgnum, char *partnum);
762 void MimeLoadData(wc_mime_attachment *Mime);
763 void do_edit_vcard(long msgnum, char *partnum,
764 message_summary *VCMsg,
765 wc_mime_attachment *VCAtt,
766 const char *return_to,
767 const char *force_room);
769 void select_user_to_edit(const char *preselect);
770 void delete_user(char *);
771 void do_change_view(int);
776 void offer_start_page(StrBuf *Target, WCTemplputParams *TP);
777 void convenience_page(const char *titlebarcolor, const char *titlebarmsg, const char *messagetext);
778 void output_html(const char *, int, int, StrBuf *, StrBuf *);
779 void do_listsub(void);
780 ssize_t write(int fd, const void *buf, size_t count);
781 void cal_process_attachment(wc_mime_attachment *Mime);
782 void do_tasks_view(void);
783 int calendar_summary_view(void);
784 void free_march_list(wcsession *wcf);
785 void display_rules_editor_inner_div(void);
786 void generate_uuid(char *);
787 void CtdlMakeTempFileName(char *, int);
788 void address_book_popup(void);
789 void begin_ajax_response(void);
790 void end_ajax_response(void);
792 void display_edit_task(void);
793 void display_edit_event(void);
794 icaltimezone *get_default_icaltimezone(void);
795 void display_icaltimetype_as_webform(struct icaltimetype *, char *, int);
796 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
797 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
798 void partstat_as_string(char *buf, icalproperty *attendee);
799 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
800 void check_attendee_availability(icalcomponent *supplied_vevent);
801 int ical_ctdl_is_overlap(
802 struct icaltimetype t1start,
803 struct icaltimetype t1end,
804 struct icaltimetype t2start,
805 struct icaltimetype t2end
809 extern char *months[];
811 int serv_read_binary(StrBuf *Ret, size_t total_len, StrBuf *Buf);
812 int StrBuf_ServGetBLOB(StrBuf *buf, long BlobSize);
813 int StrBuf_ServGetBLOBBuffered(StrBuf *buf, long BlobSize);
814 int read_server_text(StrBuf *Buf, long *nLines);
815 long locate_user_vcard_in_this_room(message_summary **VCMsg,
816 wc_mime_attachment **VCAtt);
817 void sleeeeeeeeeep(int);
818 void http_transmit_thing(const char *content_type, int is_static);
819 long unescape_input(char *buf);
820 void check_thread_pool_size(void);
821 void spawn_another_worker_thread(void);
822 void StrEndTab(StrBuf *Target, int tabnum, int num_tabs);
823 void StrBeginTab(StrBuf *Target, int tabnum, int num_tabs, StrBuf **Names);
824 void StrTabbedDialog(StrBuf *Target, int num_tabs, StrBuf *tabnames[]);
825 void tabbed_dialog(int num_tabs, char *tabnames[]);
826 void begin_tab(int tabnum, int num_tabs);
827 void end_tab(int tabnum, int num_tabs);
828 void str_wiki_index(char *s);
829 long guess_calhourformat(void);
830 int get_time_format_cached (void);
831 const char *get_selected_language(void);
832 void display_wiki_pagelist(void);
833 HashList *GetRoomListHashLKRA(StrBuf *Target, WCTemplputParams *TP);
835 #define DATEFMT_FULL 0
836 #define DATEFMT_BRIEF 1
837 #define DATEFMT_RAWDATE 2
838 #define DATEFMT_LOCALEDATE 3
839 void webcit_fmt_date(char *buf, size_t siz, time_t thetime, int Format);
842 /* actual supported locales */
843 void TmplGettext(StrBuf *Target, WCTemplputParams *TP);
844 void offer_languages(StrBuf *Target, int nArgs, WCTemplateToken *Token, void *Context, int ContextType);
845 void set_selected_language(const char *);
846 void go_selected_language(void);
847 void stop_selected_language(void);
852 void ssl_lock(int mode, int n, const char *file, int line);
853 int starttls(int sock);
854 extern SSL_CTX *ssl_ctx;
855 int client_read_sslbuffer(StrBuf *buf, int timeout);
856 void client_write_ssl(const StrBuf *Buf);
859 void utf8ify_rfc822_string(char **buf);
861 void begin_burst(void);
862 long end_burst(void);
864 void AppendImportantMessage(const char *pch, long len);
866 extern char *hourname[]; /* Names of hours (12am, 1am, etc.) */
868 void http_datestring(char *buf, size_t n, time_t xtime);
871 /* These should be empty, but we have them for testing */
872 #define DEFAULT_HTTPAUTH_USER ""
873 #define DEFAULT_HTTPAUTH_PASS ""
876 /* Exit codes 101 through 109 are initialization failures so we don't want to
877 * just keep respawning indefinitely.
879 #define WC_EXIT_BIND 101 /* Can't bind to the port */
880 #define WC_EXIT_SSL 102 /* Can't initialize SSL */
883 #define WC_TIMEFORMAT_NONE 0
884 #define WC_TIMEFORMAT_AMPM 1
885 #define WC_TIMEFORMAT_24 2
887 extern int time_to_die; /* Nonzero if server is shutting down */