2 * Copyright (c) 1987-2012 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 version 3.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
14 #include <sys/select.h>
25 #include <sys/types.h>
27 #include <sys/socket.h>
28 #ifdef HAVE_SYS_TIME_H
35 #include <sys/socket.h>
36 #include <netinet/in.h>
37 #include <arpa/inet.h>
48 #include <sys/utsname.h>
50 #include <libcitadel.h>
62 #define _(string) gettext(string)
64 #define _(string) (string)
67 #define IsEmptyStr(a) ((a)[0] == '\0')
70 #define DBG_QR(x) if(DO_DBG_QR) _DBG_QR(x)
71 #define DBG_QR2(x) if(DO_DBG_QR) _DBG_QR2(x)
75 #include <libical/ical.h>
81 #undef PACKAGE_TARNAME
82 #undef PACKAGE_VERSION
83 #undef PACKAGE_BUGREPORT
85 typedef struct wcsession wcsession;
91 #include "paramhandling.h"
93 #include "preferences.h"
95 #include "tcp_sockets.h"
98 /* Work around RedHat's b0rken OpenSSL includes */
99 #define OPENSSL_NO_KRB5
100 #include <openssl/ssl.h>
101 #include <openssl/err.h>
102 #include <openssl/rand.h>
103 extern char *ssl_cipher_list;
104 #define DEFAULT_SSL_CIPHER_LIST "DEFAULT" /* See http://openssl.org/docs/apps/ciphers.html */
107 #if SIZEOF_SIZE_T == SIZEOF_INT
108 #define SIZE_T_FMT "%d"
110 #define SIZE_T_FMT "%ld"
113 #if SIZEOF_LONG_UNSIGNED_INT == SIZEOF_INT
114 #define ULONG_FMT "%d"
116 #define ULONG_FMT "%ld"
119 #define CALENDAR_ROOM_NAME "Calendar"
120 #define PRODID "-//Citadel//NONSGML Citadel Calendar//EN"
122 #define SIZ 4096 /* generic buffer size */
124 #define TRACE syslog(LOG_DEBUG, "\033[3%dmCHECKPOINT: %s:%d\033[0m", ((__LINE__%6)+1), __FILE__, __LINE__)
126 #define SLEEPING 180 /* TCP connection timeout */
127 #define WEBCIT_TIMEOUT 900 /* WebCit session timeout */
128 #define PORT_NUM 2000 /* port number to listen on */
129 #define DEVELOPER_ID 0
131 #define CLIENT_VERSION 813 /* This version of WebCit */
132 #define MINIMUM_CIT_VERSION 813 /* Minimum required version of Citadel server */
133 #define LIBCITADEL_MIN 813 /* Minimum required version of libcitadel */
134 #define DEFAULT_HOST "localhost" /* Default Citadel server */
135 #define DEFAULT_PORT "504"
136 #define TARGET "webcit01" /* Window target for inline URL's */
137 #define HOUSEKEEPING 15 /* Housekeeping frequency */
138 #define MAX_WORKER_THREADS 250
139 #define LISTEN_QUEUE_LENGTH 100 /* listen() backlog queue */
141 #define USERCONFIGROOM "My Citadel Config"
142 #define DEFAULT_MAXMSGS 20
145 #ifdef LIBCITADEL_VERSION_NUMBER
146 #if LIBCITADEL_VERSION_NUMBER < LIBCITADEL_MIN
147 #error libcitadel is too old. Please upgrade it before continuing.
153 * Room flags (from Citadel)
157 #define QR_PERMANENT 1 /* Room does not purge */
158 #define QR_INUSE 2 /* Set if in use, clear if avail */
159 #define QR_PRIVATE 4 /* Set for any type of private room */
160 #define QR_PASSWORDED 8 /* Set if there's a password too */
161 #define QR_GUESSNAME 16 /* Set if it's a guessname room */
162 #define QR_DIRECTORY 32 /* Directory room */
163 #define QR_UPLOAD 64 /* Allowed to upload */
164 #define QR_DOWNLOAD 128 /* Allowed to download */
165 #define QR_VISDIR 256 /* Visible directory */
166 #define QR_ANONONLY 512 /* Anonymous-Only room */
167 #define QR_ANONOPT 1024 /* Anonymous-Option room */
168 #define QR_NETWORK 2048 /* Shared network room */
169 #define QR_PREFONLY 4096 /* Preferred status needed to enter */
170 #define QR_READONLY 8192 /* Aide status required to post */
171 #define QR_MAILBOX 16384 /* Set if this is a private mailbox */
176 #define QR2_SYSTEM 1 /* System room; hide by default */
177 #define QR2_SELFLIST 2 /* Self-service mailing list mgmt */
178 #define QR2_COLLABDEL 4 /* Anyone who can post can also delete */
179 #define QR2_SUBJECTREQ 8 /* Subject strongly recommended */
180 #define QR2_SMTP_PUBLIC 16 /* smtp public postable room */
181 #define QR2_MODERATED 32 /* Listservice aide has to permit posts */
187 #define UA_GOTOALLOWED 4
188 #define UA_HASNEWMSGS 8
190 #define UA_POSTALLOWED 32
191 #define UA_ADMINALLOWED 64
192 #define UA_DELETEALLOWED 128
193 #define UA_ISTRASH 256 /* Only available in room view... */
197 * User flags (from Citadel)
199 #define US_NEEDVALID 1 /* User needs to be validated */
200 #define US_PERM 4 /* Permanent user */
201 #define US_LASTOLD 16 /* Print last old message with new */
202 #define US_EXPERT 32 /* Experienced user */
203 #define US_UNLISTED 64 /* Unlisted userlog entry */
204 #define US_NOPROMPT 128 /* Don't prompt after each message */
205 #define US_PROMPTCTL 256 /* <N>ext & <S>top work at prompt */
206 #define US_DISAPPEAR 512 /* Use "disappearing msg prompts" */
207 #define US_REGIS 1024 /* Registered user */
208 #define US_PAGINATOR 2048 /* Pause after each screen of text */
209 #define US_INTERNET 4096 /* Internet mail privileges */
210 #define US_FLOORS 8192 /* User wants to see floors */
211 #define US_COLOR 16384 /* User wants ANSI color support */
212 #define US_USER_SET (US_LASTOLD | US_EXPERT | US_UNLISTED | \
213 US_NOPROMPT | US_DISAPPEAR | US_PAGINATOR | \
214 US_FLOORS | US_COLOR | US_PROMPTCTL )
218 #define SRV_STATUS_MSG(ServerLineBuf) (ChrPtr(ServerLineBuf) + 4), (StrLength(ServerLineBuf) - 4)
219 #define MAJORCODE(a) (((int)(a / 100) ) * 100)
221 #define LISTING_FOLLOWS 100
223 #define MORE_DATA 300
224 #define SEND_LISTING 400
226 #define BINARY_FOLLOWS 600
227 #define SEND_BINARY 700
228 #define START_CHAT_MODE 800
229 #define ASYNC_MSG 900
231 #define MINORCODE(a) (a % 100)
232 #define ASYNC_GEXP 02
233 #define INTERNAL_ERROR 10
235 #define ILLEGAL_VALUE 12
236 #define NOT_LOGGED_IN 20
237 #define CMD_NOT_SUPPORTED 30
238 #define SERVER_SHUTTING_DOWN 31
239 #define PASSWORD_REQUIRED 40
240 #define ALREADY_LOGGED_IN 41
241 #define USERNAME_REQUIRED 42
242 #define HIGHER_ACCESS_REQUIRED 50
243 #define MAX_SESSIONS_EXCEEDED 51
244 #define RESOURCE_BUSY 52
245 #define RESOURCE_NOT_OPEN 53
247 #define INVALID_FLOOR_OPERATION 61
248 #define NO_SUCH_USER 70
249 #define FILE_NOT_FOUND 71
250 #define ROOM_NOT_FOUND 72
251 #define NO_SUCH_SYSTEM 73
252 #define ALREADY_EXISTS 74
253 #define MESSAGE_NOT_FOUND 75
256 * NLI is the string that shows up in a who's online listing for sessions
257 * that are active but do not (yet) have a user logged in.
259 #define NLI "(not logged in)"
262 * Expiry policy for the autopurger
264 #define EXPIRE_NEXTLEVEL 0 /* Inherit expiration policy */
265 #define EXPIRE_MANUAL 1 /* Don't expire messages at all */
266 #define EXPIRE_NUMMSGS 2 /* Keep only latest n messages */
267 #define EXPIRE_AGE 3 /* Expire messages after n days */
269 typedef struct __ExpirePolicy {
273 void LoadExpirePolicy(GPEXWhichPolicy which);
274 void SaveExpirePolicyFromHTTP(GPEXWhichPolicy which);
277 * Linked list of session variables encoded in an x-www-urlencoded content type
279 typedef struct urlcontent urlcontent;
281 char url_key[32]; /* key */
282 StrBuf *url_data; /* value */
286 * Information about the Citadel server to which we are connected
288 typedef struct _serv_info {
289 int serv_pid; /* Process ID of the Citadel server */
290 StrBuf *serv_nodename; /* Node name of the Citadel server */
291 StrBuf *serv_humannode; /* Juman readable node name of the Citadel server */
292 StrBuf *serv_fqdn; /* Fully qualified Domain Name (such as uncensored.citadel.org) */
293 StrBuf *serv_software; /* Free form text description of the server software in use */
294 int serv_rev_level; /* Server version number (times 100) */
295 StrBuf *serv_bbs_city; /* Geographic location of the Citadel server */
296 StrBuf *serv_sysadm; /* Name of system administrator */
297 int serv_supports_ldap; /* is the server linked against an ldap tree for adresses? */
298 int serv_newuser_disabled; /* Has the server disabled self-service new user creation? */
299 StrBuf *serv_default_cal_zone; /* Default timezone for unspecified calendar items */
300 int serv_supports_sieve; /* Server supports Sieve mail filtering */
301 int serv_fulltext_enabled; /* Full text index is enabled */
302 StrBuf *serv_svn_revision; /* svn or git revision of the server */
303 int serv_supports_openid; /* Server supports authentication via OpenID */
304 int serv_supports_guest; /* Server supports unauthenticated guest logins */
308 typedef struct _disp_cal {
309 icalcomponent *cal; /* cal items for display */
310 long cal_msgnum; /* cal msgids for display */
311 char *from; /* owner of this component */
312 int unread; /* already seen by the user? */
319 icalcomponent *SortBy; /* cal items for display */
320 icalproperty_status Status;
323 typedef struct _IcalEnumMap {
326 icalproperty_kind map;
330 * Address book entry (keep it short and sweet, it's just a quickie lookup
331 * which we can use to get to the real meat and bones later)
333 typedef struct _addrbookent {
334 char ab_name[64]; /* name string */
335 long ab_msgnum; /* message number of address book entry */
340 #define ANONYMOUS (1<<1)
341 #define NEED_URL (1<<2)
342 #define XHTTP_COMMANDS (1<<3)
344 #define URLNAMESPACE (1<<4)
345 #define LOGCHATTY (1<<5)
346 #define COOKIEUNNEEDED (1<<6)
347 #define ISSTATIC (1<<7)
348 #define FORCE_SESSIONCLOSE (1<<8)
349 #define PARSE_REST_URL (1<<9)
350 #define PROHIBIT_STARTPAGE (1<<10)
353 #define DATEFMT_FULL 0
354 #define DATEFMT_BRIEF 1
355 #define DATEFMT_RAWDATE 2
356 #define DATEFMT_LOCALEDATE 3
357 void webcit_fmt_date(char *buf, size_t siz, time_t thetime, int Format);
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;
410 extern const char *ReqStrs[eNONE];
413 #define AUTH_COOKIE 1
418 typedef struct _HdrRefs {
419 long eReqType; /* HTTP method */
426 time_t if_modified_since;
427 int gzip_ok; /* Nonzero if Accept-encoding: gzip */
428 int prohibit_caching;
432 /* these are references into Hdr->HTTPHeaders, so we don't need to free them. */
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 */
458 HashList *urlstrings; /* variables passed to webcit in a URL */
459 HashList *HTTPHeaders; /* the headers the client sent us */
460 int nWildfireHeaders; /* how many wildfire headers did we already send? */
467 * One of these is kept for each active Citadel session.
468 * HTTP transactions are bound to one at a time.
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 ctdl_pid; /* Session ID on the Citadel server */
477 int nonce; /* session nonce (to prevent session riding) */
478 int inuse; /* set to nonzero if bound to a running thread */
480 /* Session local Members */
481 int serv_sock; /* Client socket to Citadel server */
482 StrBuf *ReadBuf; /* linebuffered reads from the server */
483 StrBuf *MigrateReadLineBuf; /* here we buffer legacy server read stuff */
484 const char *ReadPos; /* whats our read position in ReadBuf? */
485 int last_chat_seq; /* When in chat - last message seq# we saw */
486 time_t lastreq; /* Timestamp of most recent HTTP */
487 time_t last_pager_check; /* last time we polled for instant msgs */
488 ServInfo *serv_info; /* Information about the citserver we're connected to */
489 StrBuf *PushedDestination; /* Where to go after login, registration, etc. */
491 /* Request local Members */
492 StrBuf *CLineBuf; /* linebuffering client stuff */
494 StrBuf *WBuf; /* Our output buffer */
495 StrBuf *HBuf; /* Our HeaderBuffer */
496 StrBuf *WFBuf; /* Wildfire error logging buffer */
497 StrBuf *trailing_javascript; /* extra javascript to be appended to page */
498 StrBuf *ImportantMsg;
499 HashList *Directory; /* Parts of the directory URL in snippets */
500 const Floor *CurrentFloor; /* when Parsing REST, which floor are we on? */
503 StrBuf *wc_username; /* login name of current user */
504 StrBuf *wc_fullname; /* Screen name of current user */
505 StrBuf *wc_password; /* Password of current user */
506 StrBuf *httpauth_pass; /* only for GroupDAV sessions */
507 int axlevel; /* this user's access level */
508 int is_aide; /* nonzero == this user is an Aide */
509 int connected; /* nonzero == we are connected to Citadel */
510 int logged_in; /* nonzero == we are logged in */
511 int need_regi; /* This user needs to register. */
512 int need_vali; /* New users require validation. */
515 StrBuf *cs_inet_email; /* User's preferred Internet addr. */
516 HashList *hash_prefs; /* WebCit preferences for this user */
517 StrBuf *DefaultCharset; /* Charset the user preferes */
518 int downloaded_prefs; /* Has the client download its prefs yet? */
519 int SavePrefsToServer; /* Should we save our preferences to the server at the end of the request? */
520 int selected_language; /* Language selected by user */
521 int time_format_cache; /* which timeformat does our user like? */
523 folder CurRoom; /* information about our current room */
524 const folder *ThisRoom; /* if REST found a room, remember it here. */
525 /* next/previous room thingabob */
526 struct march *march; /* march mode room list */
527 char ugname[128]; /* where does 'ungoto' take us */
528 long uglsn; /* last seen message number for ungoto */
530 /* Uploading; mime attachments for composing messages */
531 HashList *attachments; /* list of attachments for 'enter message' */
532 int upload_length; /* content length of http-uploaded data */
533 StrBuf *upload; /* pointer to http-uploaded data */
534 StrBuf *upload_filename; /* filename of http-uploaded data */
535 char upload_content_type[256]; /* content type of http-uploaded data */
537 int remember_new_mail; /* last count of new mail messages */
539 /* Roomiew control */
540 HashList *Floors; /* floors our citserver has hashed numeric for quicker access*/
541 HashList *FloorsByName; /* same but hashed by its name */
542 HashList *Rooms; /* our directory structure as loaded by LKRA */
543 HashList *summ; /* list of messages for mailbox summary view */
544 /** Perhaps these should be within a struct instead */
545 long startmsg; /* message number to start at */
546 long maxmsgs; /* maximum messages to display */
547 long num_displayed; /* number of messages actually displayed */
548 HashList *disp_cal_items; /* sorted list of calendar items; startdate is the sort criteria. */
551 char last_chat_user[256];
553 /* Iconbar controls */
554 int cache_max_folders;
555 int cache_num_floors;
556 long *IBSettingsVec; /* which icons should be shown / not shown? */
557 const StrBuf *floordiv_expanded; /* which floordiv currently expanded */
558 int ib_wholist_expanded;
559 int ib_roomlist_expanded;
561 /* our known Sieve scripts; loaded by SIEVE:SCRIPTS iterator. */
562 HashList *KnownSieveScripts;
564 /* Transcoding cache buffers; used to avoid to frequent realloc */
568 /* cache stuff for templates. TODO: find a smarter way */
569 HashList *ServCfg; /* cache our server config for editing */
570 HashList *InetCfg; /* Our inet server config for editing */
571 ExpirePolicy Policy[maxpolicy];
573 /* used by the blog viewer */
574 int bptlid; /* hash of thread currently being rendered */
578 typedef void (*Header_Evaluator)(StrBuf *Line, ParsedHttpHdrs *hdr);
580 typedef struct _HttpHeader {
586 void RegisterHeaderHandler(const char *Name, long Len, Header_Evaluator F);
596 #define num_parms(source) num_tokens(source, '|')
599 #define site_prefix (WC ? (WC->Hdr->HostHeader) : NULL)
601 /* Per-session data */
602 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
603 extern pthread_key_t MyConKey;
605 /* Per-thread SSL context */
607 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
608 extern pthread_key_t ThreadSSL;
609 extern char ctdl_key_dir[PATH_MAX];
610 extern char file_crpt_file_key[PATH_MAX];
611 extern char file_crpt_file_csr[PATH_MAX];
612 extern char file_crpt_file_cer[PATH_MAX];
616 void ssl_lock(int mode, int n, const char *file, int line);
617 int starttls(int sock);
618 extern SSL_CTX *ssl_ctx;
619 int client_read_sslbuffer(StrBuf *buf, int timeout);
620 void client_write_ssl(const StrBuf *Buf);
624 extern int follow_xff;
625 extern char *server_cookie;
626 extern char *ctdlhost, *ctdlport;
627 extern char *axdefs[];
628 extern int num_threads_existing;
629 extern int num_threads_executing;
630 extern int setup_wizard;
631 extern char wizard_filename[];
633 void InitialiseSemaphores(void);
634 void begin_critical_section(int which_one);
635 void end_critical_section(int which_one);
638 extern void do_404(void);
639 void http_redirect(const char *);
642 #ifdef UBER_VERBOSE_DEBUGGING
643 #define wc_printf(...) wcc_printf(__FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
644 void wcc_printf(const char *FILE, const char *FUNCTION, long LINE, const char *format, ...);
646 void wc_printf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
649 void hprintf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
651 void CheckAuthBasic(ParsedHttpHdrs *hdr);
652 void GetAuthBasic(ParsedHttpHdrs *hdr);
654 void sleeeeeeeeeep(int);
656 size_t wc_strftime(char *s, size_t max, const char *format, const struct tm *tm);
657 void fmt_time(char *buf, size_t siz, time_t thetime);
658 void httpdate(char *buf, time_t thetime);
659 time_t httpdate_to_timestamp(StrBuf *buf);
664 void end_webcit_session(void);
669 void cookie_to_stuff(StrBuf *cookie,
676 void locate_host(StrBuf *TBuf, int);
677 void become_logged_in(const StrBuf *user, const StrBuf *pass, StrBuf *serv_response);
679 void display_login(void);
680 void display_openids(void);
681 void display_default_landing_page(void);
682 void do_welcome(void);
684 void display_reg(int during_login);
685 void display_main_menu(void);
686 void display_aide_menu(void);
688 void RegisterEmbeddableMimeType(const char *MimeType, long MTLen, int Priority);
689 void CreateMimeStr(void);
692 void pop_destination(void);
694 void FmOut(StrBuf *Target, const char *align, const StrBuf *Source);
695 void wDumpContent(int);
698 void PutRequestLocalMem(void *Data, DeleteHashDataFunc DeleteIt);
700 void output_headers( int do_httpheaders,
706 void output_custom_content_header(const char *ctype);
707 void cdataout(char *rawdata);
710 void url(char *buf, size_t bufsize);
711 void UrlizeText(StrBuf* Target, StrBuf *Source, StrBuf *WrkBuf);
714 void display_vcard(StrBuf *Target, wc_mime_attachment *Mime, char alpha, int full, char **storename, long msgnum);
716 void display_success(const char *successmessage);
718 void shutdown_sessions(void);
722 StrBuf *load_mimepart(long msgnum, char *partnum);
723 void MimeLoadData(wc_mime_attachment *Mime);
724 void do_edit_vcard(long msgnum, char *partnum,
725 message_summary *VCMsg,
726 wc_mime_attachment *VCAtt,
727 const char *return_to,
728 const char *force_room);
730 void select_user_to_edit(const char *preselect);
732 void convenience_page(const char *titlebarcolor, const char *titlebarmsg, const char *messagetext);
733 void output_html(const char *, int, int, StrBuf *, StrBuf *);
735 ssize_t write(int fd, const void *buf, size_t count);
736 void cal_process_attachment(wc_mime_attachment *Mime);
738 void address_book_popup(void);
739 void begin_ajax_response(void);
740 void end_ajax_response(void);
742 extern char *months[];
744 long locate_user_vcard_in_this_room(message_summary **VCMsg,
745 wc_mime_attachment **VCAtt);
746 void http_transmit_thing(const char *content_type, int is_static);
747 long unescape_input(char *buf);
748 void check_thread_pool_size(void);
749 void StrEndTab(StrBuf *Target, int tabnum, int num_tabs);
750 void StrBeginTab(StrBuf *Target, int tabnum, int num_tabs, StrBuf **Names);
751 void StrTabbedDialog(StrBuf *Target, int num_tabs, StrBuf *tabnames[]);
752 void tabbed_dialog(int num_tabs, char *tabnames[]);
753 void begin_tab(int tabnum, int num_tabs);
754 void end_tab(int tabnum, int num_tabs);
756 int get_time_format_cached (void);
757 void display_wiki_pagelist(void);
758 void str_wiki_index(char *);
760 HashList *GetRoomListHashLKRA(StrBuf *Target, WCTemplputParams *TP);
762 /* actual supported locales */
763 void TmplGettext(StrBuf *Target, WCTemplputParams *TP);
765 void set_selected_language(const char *);
766 void go_selected_language(void);
767 void stop_selected_language(void);
768 const char *get_selected_language(void);
770 void utf8ify_rfc822_string(char **buf);
772 void begin_burst(void);
773 long end_burst(void);
775 void AppendImportantMessage(const char *pch, long len);
777 void http_datestring(char *buf, size_t n, time_t xtime);
780 /* These should be empty, but we have them for testing */
781 #define DEFAULT_HTTPAUTH_USER ""
782 #define DEFAULT_HTTPAUTH_PASS ""
785 /* Exit codes 101 through 109 are initialization failures so we don't want to
786 * just keep respawning indefinitely.
788 #define WC_EXIT_BIND 101 /* Can't bind to the port */
789 #define WC_EXIT_SSL 102 /* Can't initialize SSL */
792 #define WC_TIMEFORMAT_NONE 0
793 #define WC_TIMEFORMAT_AMPM 1
794 #define WC_TIMEFORMAT_24 2
796 extern int time_to_die; /* Nonzero if server is shutting down */
797 extern int DisableGzip;
800 * Array type for a blog post. The first message is the post; the rest are comments
804 long *msgs; /* Array of msgnums for messages we are displaying */
805 int num_msgs; /* Number of msgnums stored in 'msgs' */
806 int alloc_msgs; /* Currently allocated size of array */
811 * Data which gets returned from a call to blogview_learn_thread_references()
819 struct bltr blogview_learn_thread_references(long msgnum);
820 void tmplput_blog_permalink(StrBuf *Target, WCTemplputParams *TP);
821 void display_summary_page(void);