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')
75 #define DBG_QR(x) if(DO_DBG_QR) _DBG_QR(x)
76 #define DBG_QR2(x) if(DO_DBG_QR) _DBG_QR2(x)
82 #include <libical/ical.h>
88 #undef PACKAGE_TARNAME
89 #undef PACKAGE_VERSION
90 #undef PACKAGE_BUGREPORT
92 typedef struct wcsession wcsession;
98 #include "paramhandling.h"
100 #include "preferences.h"
102 #include "tcp_sockets.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 syslog(LOG_DEBUG, "\033[3%dmCHECKPOINT: %s:%d\033[0m", ((__LINE__%6)+1), __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 802 /* This version of WebCit */
139 #define MINIMUM_CIT_VERSION 802 /* min required Citadel ver */
140 #define LIBCITADEL_MIN 802 /* 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 )
225 #define SRV_STATUS_MSG(ServerLineBuf) (ChrPtr(ServerLineBuf) + 4), (StrLength(ServerLineBuf) - 4)
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
263 * NLI is the string that shows up in a who's online listing for sessions
264 * that are active but do not (yet) have a user logged in.
266 #define NLI "(not logged in)"
269 * Expiry policy for the autopurger
271 #define EXPIRE_NEXTLEVEL 0 /* Inherit expiration policy */
272 #define EXPIRE_MANUAL 1 /* Don't expire messages at all */
273 #define EXPIRE_NUMMSGS 2 /* Keep only latest n messages */
274 #define EXPIRE_AGE 3 /* Expire messages after n days */
275 typedef struct __ExpirePolicy {
276 int loaded; /* has this been loaded from the server? */
280 void LoadExpirePolicy(GPEXWhichPolicy which);
281 void SaveExpirePolicyFromHTTP(GPEXWhichPolicy which);
284 * Linked list of session variables encoded in an x-www-urlencoded content type
286 typedef struct urlcontent urlcontent;
288 char url_key[32]; /* key */
289 StrBuf *url_data; /* value */
293 * Information about the Citadel server to which we are connected
295 typedef struct _serv_info {
296 int serv_pid; /* Process ID of the Citadel server */
297 StrBuf *serv_nodename; /* Node name of the Citadel server */
298 StrBuf *serv_humannode; /* Juman readable node name of the Citadel server */
299 StrBuf *serv_fqdn; /* Fully qualified Domain Name (such as uncensored.citadel.org) */
300 StrBuf *serv_software; /* Free form text description of the server software in use */
301 int serv_rev_level; /* Server version number (times 100) */
302 StrBuf *serv_bbs_city; /* Geographic location of the Citadel server */
303 StrBuf *serv_sysadm; /* Name of system administrator */
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; /* Server supports Sieve mail filtering */
308 int serv_fulltext_enabled; /* Full text index is enabled */
309 StrBuf *serv_svn_revision; /* svn or git revision of the server */
310 int serv_supports_openid; /* Server supports authentication via OpenID */
311 int serv_supports_guest; /* Server supports unauthenticated guest logins */
315 typedef struct _disp_cal {
316 icalcomponent *cal; /* cal items for display */
317 long cal_msgnum; /* cal msgids for display */
318 char *from; /* owner of this component */
319 int unread; /* already seen by the user? */
326 icalcomponent *SortBy; /* cal items for display */
327 icalproperty_status Status;
330 typedef struct _IcalEnumMap {
333 icalproperty_kind map;
337 * Address book entry (keep it short and sweet, it's just a quickie lookup
338 * which we can use to get to the real meat and bones later)
340 typedef struct _addrbookent {
341 char ab_name[64]; /* name string */
342 long ab_msgnum; /* message number of address book entry */
347 #define ANONYMOUS (1<<1)
348 #define NEED_URL (1<<2)
349 #define XHTTP_COMMANDS (1<<3)
351 #define URLNAMESPACE (1<<4)
352 #define LOGCHATTY (1<<5)
353 #define COOKIEUNNEEDED (1<<6)
354 #define ISSTATIC (1<<7)
355 #define FORCE_SESSIONCLOSE (1<<8)
356 #define PARSE_REST_URL (1<<9)
357 #define PROHIBIT_STARTPAGE (1<<10)
360 #define DATEFMT_FULL 0
361 #define DATEFMT_BRIEF 1
362 #define DATEFMT_RAWDATE 2
363 #define DATEFMT_LOCALEDATE 3
364 void webcit_fmt_date(char *buf, size_t siz, time_t thetime, int Format);
367 typedef enum _RESTDispatchID {
373 typedef int (*WebcitRESTDispatchID)(RESTDispatchID WhichAction, int IgnoreFloor);
374 typedef void (*WebcitHandlerFunc)(void);
375 typedef struct _WebcitHandler{
377 WebcitRESTDispatchID RID;
384 void WebcitAddUrlHandler(const char * UrlString, long UrlSLen, const char *DisplayName, long dslen, WebcitHandlerFunc F, long Flags);
386 typedef struct _headereval {
387 ExamineMsgHeaderFunc evaluator;
416 extern const char *ReqStrs[eNONE];
419 #define AUTH_COOKIE 1
424 typedef struct _HdrRefs {
425 long eReqType; /* HTTP method */
432 time_t if_modified_since;
433 int gzip_ok; /* Nonzero if Accept-encoding: gzip */
434 int prohibit_caching;
438 /* these are references into Hdr->HTTPHeaders, so we don't need to free them. */
442 StrBuf *browser_host;
443 StrBuf *browser_language;
448 const WebcitHandler *Handler;
451 typedef struct _ParsedHttpHdrs {
452 int http_sock; /* HTTP server socket */
460 StrBuf *this_page; /* URL of current page */
464 HashList *urlstrings; /* variables passed to webcit in a URL */
465 HashList *HTTPHeaders; /* the headers the client sent us */
466 int nWildfireHeaders; /* how many wildfire headers did we already send? */
473 * One of these is kept for each active Citadel session.
474 * HTTP transactions are bound to one at a time.
477 /* infrastructural members */
478 wcsession *next; /* Linked list */
479 pthread_mutex_t SessionMutex; /* mutex for exclusive access */
480 int wc_session; /* WebCit session ID */
481 int killthis; /* Nonzero == purge this session */
482 int ctdl_pid; /* Session ID on the Citadel server */
483 int nonce; /* session nonce (to prevent session riding) */
484 int inuse; /* set to nonzero if bound to a running thread */
486 /* Session local Members */
487 int serv_sock; /* Client socket to Citadel server */
488 StrBuf *ReadBuf; /* linebuffered reads from the server */
489 StrBuf *MigrateReadLineBuf; /* here we buffer legacy server read stuff */
490 const char *ReadPos; /* whats our read position in ReadBuf? */
491 int last_chat_seq; /* When in chat - last message seq# we saw */
492 time_t lastreq; /* Timestamp of most recent HTTP */
493 time_t last_pager_check; /* last time we polled for instant msgs */
494 ServInfo *serv_info; /* Information about the citserver we're connected to */
495 int is_ajax; /* are we doing an ajax request? */
496 StrBuf *PushedDestination; /* Where to go after login, registration, etc. */
498 /* Request local Members */
499 StrBuf *CLineBuf; /* linebuffering client stuff */
501 StrBuf *WBuf; /* Our output buffer */
502 StrBuf *HBuf; /* Our HeaderBuffer */
503 StrBuf *WFBuf; /* Wildfire error logging buffer */
504 StrBuf *trailing_javascript; /* extra javascript to be appended to page */
505 StrBuf *ImportantMsg;
506 HashList *Directory; /* Parts of the directory URL in snippets */
507 const Floor *CurrentFloor; /* when Parsing REST, which floor are we on? */
510 StrBuf *wc_username; /* login name of current user */
511 StrBuf *wc_fullname; /* Screen name of current user */
512 StrBuf *wc_password; /* Password of current user */
513 StrBuf *httpauth_pass; /* only for GroupDAV sessions */
514 int axlevel; /* this user's access level */
515 int is_aide; /* nonzero == this user is an Aide */
516 int connected; /* nonzero == we are connected to Citadel */
517 int logged_in; /* nonzero == we are logged in */
518 int need_regi; /* This user needs to register. */
519 int need_vali; /* New users require validation. */
522 StrBuf *cs_inet_email; /* User's preferred Internet addr. */
523 HashList *hash_prefs; /* WebCit preferences for this user */
524 StrBuf *DefaultCharset; /* Charset the user preferes */
525 int downloaded_prefs; /* Has the client download its prefs yet? */
526 int SavePrefsToServer; /* Should we save our preferences to the server at the end of the request? */
527 int selected_language; /* Language selected by user */
528 int time_format_cache; /* which timeformat does our user like? */
530 folder CurRoom; /* information about our current room */
531 const folder *ThisRoom; /* if REST found a room, remember it here. */
532 /* next/previous room thingabob */
533 struct march *march; /* march mode room list */
534 char ugname[128]; /* where does 'ungoto' take us */
535 long uglsn; /* last seen message number for ungoto */
537 /* Uploading; mime attachments for composing messages */
538 HashList *attachments; /* list of attachments for 'enter message' */
539 int upload_length; /* content length of http-uploaded data */
540 StrBuf *upload; /* pointer to http-uploaded data */
541 StrBuf *upload_filename; /* filename of http-uploaded data */
542 char upload_content_type[256]; /* content type of http-uploaded data */
544 int remember_new_mail; /* last count of new mail messages */
546 /* Roomiew control */
547 HashList *Floors; /* floors our citserver has hashed numeric for quicker access*/
548 HashList *FloorsByName; /* same but hashed by its name */
549 HashList *Rooms; /* our directory structure as loaded by LKRA */
550 HashList *summ; /* list of messages for mailbox summary view */
551 /** Perhaps these should be within a struct instead */
552 long startmsg; /* message number to start at */
553 long maxmsgs; /* maximum messages to display */
554 long num_displayed; /* number of messages actually displayed */
555 HashList *disp_cal_items; /* sorted list of calendar items; startdate is the sort criteria. */
558 char last_chat_user[256];
560 /* Iconbar controls */
561 int cache_max_folders;
562 int cache_num_floors;
563 long *IBSettingsVec; /* which icons should be shown / not shown? */
564 const StrBuf *floordiv_expanded; /* which floordiv currently expanded */
565 int ib_wholist_expanded;
566 int ib_roomlist_expanded;
568 /* our known Sieve scripts; loaded by SIEVE:SCRIPTS iterator. */
569 HashList *KnownSieveScripts;
571 /* Transcoding cache buffers; used to avoid to frequent realloc */
575 /* cache stuff for templates. TODO: find a smartrer way */
576 HashList *ServCfg; /* cache our server config for editing */
577 HashList *InetCfg; /* Our inet server config for editing */
578 ExpirePolicy Policy[maxpolicy];
580 /* used by the blog viewer */
581 int bptlid; /* hash of thread currently being rendered */
585 typedef void (*Header_Evaluator)(StrBuf *Line, ParsedHttpHdrs *hdr);
587 typedef struct _HttpHeader {
593 void RegisterHeaderHandler(const char *Name, long Len, Header_Evaluator F);
603 #define num_parms(source) num_tokens(source, '|')
606 #define site_prefix (WC ? (WC->Hdr->HostHeader) : NULL)
608 /* Per-session data */
609 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
610 extern pthread_key_t MyConKey;
612 /* Per-thread SSL context */
614 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
615 extern pthread_key_t ThreadSSL;
616 extern char ctdl_key_dir[PATH_MAX];
617 extern char file_crpt_file_key[PATH_MAX];
618 extern char file_crpt_file_csr[PATH_MAX];
619 extern char file_crpt_file_cer[PATH_MAX];
623 void ssl_lock(int mode, int n, const char *file, int line);
624 int starttls(int sock);
625 extern SSL_CTX *ssl_ctx;
626 int client_read_sslbuffer(StrBuf *buf, int timeout);
627 void client_write_ssl(const StrBuf *Buf);
631 extern int follow_xff;
632 extern char *server_cookie;
633 extern char *ctdlhost, *ctdlport;
634 extern char *axdefs[];
635 extern int num_threads_existing;
636 extern int num_threads_executing;
637 extern int setup_wizard;
638 extern char wizard_filename[];
640 void InitialiseSemaphores(void);
641 void begin_critical_section(int which_one);
642 void end_critical_section(int which_one);
645 extern void do_404(void);
646 void http_redirect(const char *);
649 #ifdef UBER_VERBOSE_DEBUGGING
650 #define wc_printf(...) wcc_printf(__FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
651 void wcc_printf(const char *FILE, const char *FUNCTION, long LINE, const char *format, ...);
653 void wc_printf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
656 void hprintf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
658 void CheckAuthBasic(ParsedHttpHdrs *hdr);
659 void GetAuthBasic(ParsedHttpHdrs *hdr);
661 void sleeeeeeeeeep(int);
663 size_t wc_strftime(char *s, size_t max, const char *format, const struct tm *tm);
664 void fmt_time(char *buf, size_t siz, time_t thetime);
665 void httpdate(char *buf, time_t thetime);
666 time_t httpdate_to_timestamp(StrBuf *buf);
671 void end_webcit_session(void);
676 void cookie_to_stuff(StrBuf *cookie,
683 void locate_host(StrBuf *TBuf, int);
684 void become_logged_in(const StrBuf *user, const StrBuf *pass, StrBuf *serv_response);
686 void display_login(void);
687 void display_openids(void);
688 void display_default_landing_page(void);
689 void do_welcome(void);
691 void display_reg(int during_login);
692 void display_main_menu(void);
693 void display_aide_menu(void);
695 void RegisterEmbeddableMimeType(const char *MimeType, long MTLen, int Priority);
696 void CreateMimeStr(void);
699 void pop_destination(void);
701 void fmout(const char *align);
702 void _fmout(StrBuf *Targt, const char *align);
703 void FmOut(StrBuf *Target, const char *align, const StrBuf *Source);
704 void wDumpContent(int);
707 void PutRequestLocalMem(void *Data, DeleteHashDataFunc DeleteIt);
709 void output_headers( int do_httpheaders,
715 void output_custom_content_header(const char *ctype);
716 void cdataout(char *rawdata);
719 void url(char *buf, size_t bufsize);
720 void UrlizeText(StrBuf* Target, StrBuf *Source, StrBuf *WrkBuf);
723 void display_vcard(StrBuf *Target, wc_mime_attachment *Mime, char alpha, int full, char **storename, long msgnum);
725 void display_success(const char *successmessage);
727 void shutdown_sessions(void);
731 StrBuf *load_mimepart(long msgnum, char *partnum);
732 void MimeLoadData(wc_mime_attachment *Mime);
733 void do_edit_vcard(long msgnum, char *partnum,
734 message_summary *VCMsg,
735 wc_mime_attachment *VCAtt,
736 const char *return_to,
737 const char *force_room);
739 void select_user_to_edit(const char *preselect);
741 void convenience_page(const char *titlebarcolor, const char *titlebarmsg, const char *messagetext);
742 void output_html(const char *, int, int, StrBuf *, StrBuf *);
744 ssize_t write(int fd, const void *buf, size_t count);
745 void cal_process_attachment(wc_mime_attachment *Mime);
747 void generate_uuid(char *);
749 void address_book_popup(void);
750 void begin_ajax_response(void);
751 void end_ajax_response(void);
754 extern char *months[];
756 long locate_user_vcard_in_this_room(message_summary **VCMsg,
757 wc_mime_attachment **VCAtt);
758 void http_transmit_thing(const char *content_type, int is_static);
759 long unescape_input(char *buf);
760 void check_thread_pool_size(void);
761 void StrEndTab(StrBuf *Target, int tabnum, int num_tabs);
762 void StrBeginTab(StrBuf *Target, int tabnum, int num_tabs, StrBuf **Names);
763 void StrTabbedDialog(StrBuf *Target, int num_tabs, StrBuf *tabnames[]);
764 void tabbed_dialog(int num_tabs, char *tabnames[]);
765 void begin_tab(int tabnum, int num_tabs);
766 void end_tab(int tabnum, int num_tabs);
769 int get_time_format_cached (void);
770 void display_wiki_pagelist(void);
771 HashList *GetRoomListHashLKRA(StrBuf *Target, WCTemplputParams *TP);
773 /* actual supported locales */
774 void TmplGettext(StrBuf *Target, WCTemplputParams *TP);
776 void set_selected_language(const char *);
777 void go_selected_language(void);
778 void stop_selected_language(void);
779 const char *get_selected_language(void);
781 void utf8ify_rfc822_string(char **buf);
783 void begin_burst(void);
784 long end_burst(void);
786 void AppendImportantMessage(const char *pch, long len);
788 void http_datestring(char *buf, size_t n, time_t xtime);
791 /* These should be empty, but we have them for testing */
792 #define DEFAULT_HTTPAUTH_USER ""
793 #define DEFAULT_HTTPAUTH_PASS ""
796 /* Exit codes 101 through 109 are initialization failures so we don't want to
797 * just keep respawning indefinitely.
799 #define WC_EXIT_BIND 101 /* Can't bind to the port */
800 #define WC_EXIT_SSL 102 /* Can't initialize SSL */
803 #define WC_TIMEFORMAT_NONE 0
804 #define WC_TIMEFORMAT_AMPM 1
805 #define WC_TIMEFORMAT_24 2
807 extern int time_to_die; /* Nonzero if server is shutting down */
810 * Array type for a blog post. The first message is the post; the rest are comments
814 long *msgs; /* Array of msgnums for messages we are displaying */
815 int num_msgs; /* Number of msgnums stored in 'msgs' */
816 int alloc_msgs; /* Currently allocated size of array */
821 * Data which gets returned from a call to blogview_learn_thread_references()
829 struct bltr blogview_learn_thread_references(long msgnum);
830 void tmplput_blog_permalink(StrBuf *Target, WCTemplputParams *TP);