6 #include <sys/select.h>
18 #include <sys/types.h>
20 #include <sys/socket.h>
21 #ifdef HAVE_SYS_TIME_H
28 #include <netinet/in.h>
29 #include <arpa/inet.h>
39 #include <sys/utsname.h>
41 #include <libcitadel.h>
44 #define INADDR_NONE 0xffffffff
54 extern locale_t wc_locales[];
55 #define _(string) gettext(string)
57 #define _(string) (string)
60 #define IsEmptyStr(a) ((a)[0] == '\0')
62 * Uncomment to dump an HTTP trace to stderr
63 #define HTTP_TRACING 1
76 /* Work around PACKAGE/VERSION defs that are (not supposed to be?) in ical.h */
78 # define CTDL_PACKAGE PACKAGE
83 # define CTDL_PACKAGE_STRING PACKAGE_STRING
84 //# undef PACKAGE_STRING
88 # define CTDL_VERSION VERSION
98 #undef PACKAGE_TARNAME
99 #undef PACKAGE_VERSION
100 #undef PACKAGE_BUGREPORT
103 ////////#include "hash.h"
106 /* Work around RedHat's b0rken OpenSSL includes */
107 #define OPENSSL_NO_KRB5
108 #include <openssl/ssl.h>
109 #include <openssl/err.h>
110 #include <openssl/rand.h>
113 #define CALENDAR_ROOM_NAME "Calendar"
114 #define PRODID "-//Citadel//NONSGML Citadel Calendar//EN"
116 #define SIZ 4096 /* generic buffer size */
118 #define TRACE fprintf(stderr, "Checkpoint: %s, %d\n", __FILE__, __LINE__)
120 #define SLEEPING 180 /* TCP connection timeout */
121 #define WEBCIT_TIMEOUT 900 /* WebCit session timeout */
122 #define PORT_NUM 2000 /* port number to listen on */
123 #define DEVELOPER_ID 0
125 #define CLIENT_VERSION 723 /* This version of WebCit */
126 #define MINIMUM_CIT_VERSION 723 /* min required Citadel ver. */
127 #define DEFAULT_HOST "localhost" /* Default Citadel server */
128 #define DEFAULT_PORT "504"
129 #define LB (1) /* Internal escape chars */
132 #define TARGET "webcit01" /* Target for inline URL's */
133 #define HOUSEKEEPING 15 /* Housekeeping frequency */
134 #define MIN_WORKER_THREADS 5
135 #define MAX_WORKER_THREADS 250
136 #define LISTEN_QUEUE_LENGTH 100 /* listen() backlog queue */
138 #define USERCONFIGROOM "My Citadel Config"
139 #define DEFAULT_MAXMSGS 20
143 * Room flags (from Citadel)
147 #define QR_PERMANENT 1 /**< Room does not purge */
148 #define QR_INUSE 2 /**< Set if in use, clear if avail */
149 #define QR_PRIVATE 4 /**< Set for any type of private room */
150 #define QR_PASSWORDED 8 /**< Set if there's a password too */
151 #define QR_GUESSNAME 16 /**< Set if it's a guessname room */
152 #define QR_DIRECTORY 32 /**< Directory room */
153 #define QR_UPLOAD 64 /**< Allowed to upload */
154 #define QR_DOWNLOAD 128 /**< Allowed to download */
155 #define QR_VISDIR 256 /**< Visible directory */
156 #define QR_ANONONLY 512 /**< Anonymous-Only room */
157 #define QR_ANONOPT 1024 /**< Anonymous-Option room */
158 #define QR_NETWORK 2048 /**< Shared network room */
159 #define QR_PREFONLY 4096 /**< Preferred status needed to enter */
160 #define QR_READONLY 8192 /**< Aide status required to post */
161 #define QR_MAILBOX 16384 /**< Set if this is a private mailbox */
166 #define QR2_SYSTEM 1 /**< System room; hide by default */
167 #define QR2_SELFLIST 2 /**< Self-service mailing list mgmt */
168 #define QR2_COLLABDEL 4 /**< Anyone who can post can also delete*/
169 #define QR2_SUBJECTREQ 8 /**< Subject strongly recommended */
170 #define QR2_SMTP_PUBLIC 16 /* smtp public postable room */
171 #define QR2_MODERATED 32 /* Listservice aide has to permit posts */
177 #define UA_GOTOALLOWED 4
178 #define UA_HASNEWMSGS 8
183 * User flags (from Citadel)
185 #define US_NEEDVALID 1 /**< User needs to be validated */
186 #define US_PERM 4 /**< Permanent user */
187 #define US_LASTOLD 16 /**< Print last old message with new */
188 #define US_EXPERT 32 /**< Experienced user */
189 #define US_UNLISTED 64 /**< Unlisted userlog entry */
190 #define US_NOPROMPT 128 /**< Don't prompt after each message */
191 #define US_PROMPTCTL 256 /**< <N>ext & <S>top work at prompt */
192 #define US_DISAPPEAR 512 /**< Use "disappearing msg prompts" */
193 #define US_REGIS 1024 /**< Registered user */
194 #define US_PAGINATOR 2048 /**< Pause after each screen of text */
195 #define US_INTERNET 4096 /**< Internet mail privileges */
196 #define US_FLOORS 8192 /**< User wants to see floors */
197 #define US_COLOR 16384 /**< User wants ANSI color support */
198 #define US_USER_SET (US_LASTOLD | US_EXPERT | US_UNLISTED | \
199 US_NOPROMPT | US_DISAPPEAR | US_PAGINATOR | \
200 US_FLOORS | US_COLOR | US_PROMPTCTL )
203 * NLI is the string that shows up in a who's online listing for sessions
204 * that are active, but for which no user has yet authenticated.
206 #define NLI "(not logged in)"
209 /** \brief Linked list of lines appearing in an HTTP client request */
211 struct httprequest *next; /**< the next request in the list */
212 char line[SIZ]; /**< the request line */
216 * \brief Linked list of session variables encoded in an x-www-urlencoded content type
219 struct urlcontent *next; /**< the next variable in the list */
220 char url_key[32]; /**< the variable name */
221 char *url_data; /**< its value */
225 * \brief information about us ???
228 int serv_pid; /* Process ID of the Citadel server */
229 char serv_nodename[32]; /* Node name of the Citadel server */
230 char serv_humannode[64]; /* human readable node name of the Citadel server */
231 char serv_fqdn[64]; /* fully quallified Domain Name (such as uncensored.citadel.org) */
232 char serv_software[64]; /* What version does our connected citadel server use */
233 int serv_rev_level; /* Whats the citadel server revision */
234 char serv_bbs_city[64]; /* Geographic location of the Citadel server */
235 char serv_sysadm[64]; /* Name of system administrator */
236 char serv_moreprompt[256]; /* Whats the commandline textprompt */
237 int serv_ok_floors; /* nonzero == server supports floors */
238 int serv_supports_ldap; /* is the server linked against an ldap tree for adresses? */
239 int serv_newuser_disabled; /* Has the server disabled self-service new user creation? */
240 char serv_default_cal_zone[128];/* Default timezone for unspecified calendar items */
241 int serv_supports_sieve; /* Does the server support Sieve mail filtering? */
247 * \brief This struct holds a list of rooms for \\\<G\\\>oto operations.
250 struct march *next; /**< pointer to next in linked list */
251 char march_name[128]; /**< name of room */
252 int march_floor; /**< floor number of room */
253 int march_order; /**< sequence in which we are to visit this room */
257 * \brief This struct holds a list of rooms for client display.
258 * It is a binary tree.
261 struct roomlisting *lnext; /**< pointer to 'left' tree node */
262 struct roomlisting *rnext; /**< pointer to 'right' tree node */
263 char rlname[128]; /**< name of room */
264 unsigned rlflags; /**< room flags */
265 int rlfloor; /**< the floor it resides on */
266 int rlorder; /**< room listing order */
272 * \brief Dynamic content for variable substitution in templates
275 struct wcsubst *next; /**< next item in the list */
276 int wcs_type; /**< which type of ??? */
277 char wcs_key[32]; /**< ??? what?*/
278 void *wcs_value; /**< ???? what?*/
279 void (*wcs_function)(void); /**< funcion hook ???*/
283 * \brief Values for wcs_type
286 WCS_STRING, /**< its a string */
287 WCS_FUNCTION, /**< its a function callback */
288 WCS_SERVCMD /**< its a command to send to the citadel server */
292 * \brief mail attachment ???
294 struct wc_attachment {
295 struct wc_attachment *next;/**< pointer to next in list */
296 size_t length; /**< length of the contenttype */
297 char content_type[SIZ]; /**< the content itself ???*/
298 char filename[SIZ]; /**< the filename hooked to this content ??? */
299 char *data; /**< the data pool; aka this content */
303 * \brief message summary structure. ???
305 struct message_summary {
306 time_t date; /**< its creation date */
307 long msgnum; /**< the message number on the citadel server */
308 char from[128]; /**< the author */
309 char to[128]; /**< the recipient */
310 char subj[128]; /**< the title / subject */
311 int hasattachments; /**< does it have atachments? */
312 int is_new; /**< is it yet read? */
316 * \brief Data structure for roomlist-to-folderlist conversion
319 int floor; /**< which floor is it on */
320 char room[SIZ]; /**< which roomname ??? */
321 char name[SIZ]; /**< which is its own name??? */
322 int hasnewmsgs; /**< are there unread messages inside */
323 int is_mailbox; /**< is it a mailbox? */
324 int selectable; /**< can we select it ??? */
325 int view; /**< whats its default view? inbox/calendar.... */
326 int num_rooms; /**< If this is a floor, how many rooms does it have */
330 * \brief One of these is kept for each active Citadel session.
331 * HTTP transactions are bound to on e at a time.
334 struct wcsession *next; /**< Linked list */
335 int wc_session; /**< WebCit session ID */
336 char wc_username[128]; /**< login name of current user */
337 char wc_fullname[128]; /**< Screen name of current user */
338 char wc_password[128]; /**< Password of current user */
339 char wc_roomname[256]; /**< Room we are currently in */
340 int connected; /**< nonzero == we are connected to Citadel */
341 int logged_in; /**< nonzero == we are logged in */
342 int axlevel; /**< this user's access level */
343 int is_aide; /**< nonzero == this user is an Aide */
344 int is_room_aide; /**< nonzero == this user is a Room Aide in this room */
345 int http_sock; /**< HTTP server socket */
346 int serv_sock; /**< Client socket to Citadel server */
347 int chat_sock; /**< Client socket to Citadel server - for chat */
348 unsigned room_flags; /**< flags associated with the current room */
349 unsigned room_flags2; /**< flags associated with the current room */
350 int wc_view; /**< view for the current room */
351 int wc_default_view; /**< default view for the current room */
352 int wc_is_trash; /**< nonzero == current room is a Trash folder */
353 int wc_floor; /**< floor number of current room */
354 char ugname[128]; /**< where does 'ungoto' take us */
355 long uglsn; /**< last seen message number for ungoto */
356 int upload_length; /**< content length of http-uploaded data */
357 char *upload; /**< pointer to http-uploaded data */
358 char upload_filename[PATH_MAX]; /**< filename of http-uploaded data */
359 char upload_content_type[256]; /**< content type of http-uploaded data */
360 int new_mail; /**< user has new mail waiting */
361 int remember_new_mail; /**< last count of new mail messages */
362 int need_regi; /**< This user needs to register. */
363 int need_vali; /**< New users require validation. */
364 char cs_inet_email[256]; /**< User's preferred Internet addr. */
365 pthread_mutex_t SessionMutex; /**< mutex for exclusive access */
366 time_t lastreq; /**< Timestamp of most recent HTTP */
367 int killthis; /**< Nonzero == purge this session */
368 struct march *march; /**< march mode room list */
369 char reply_to[512]; /**< reply-to address */
370 long msgarr[10000]; /**< for read operations */
371 int num_summ; /**< number of messages in mailbox summary view */
372 struct message_summary *summ; /**< array of messages for mailbox summary view */
373 int is_wap; /**< Client is a WAP gateway */
374 struct urlcontent *urlstrings; /**< variables passed to webcit in a URL */
375 struct wcsubst *vars; /**< HTTP variable substitutions for this page */
376 char this_page[512]; /**< URL of current page */
377 char http_host[512]; /**< HTTP Host: header */
378 HashList *hash_prefs; /**< WebCit preferences for this user */
379 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
380 /** \brief ical???? */
382 icalcomponent *cal; /**< cal items for display */
383 long cal_msgnum; /**< cal msgids for display */
385 int num_cal; /**< number of calendar items for display */
387 struct wc_attachment *first_attachment; /**< linked list of attachments for 'enter message' */
388 char last_chat_user[256]; /**< ??? todo */
389 char ImportantMessage[SIZ]; /**< ??? todo */
390 int ctdl_pid; /**< Session ID on the Citadel server */
391 char httpauth_user[256]; /**< only for GroupDAV sessions */
392 char httpauth_pass[256]; /**< only for GroupDAV sessions */
393 size_t burst_len; /** <??? todo */
394 size_t burst_alloc; /** <??? todo */
395 char *burst; /** <??? todo */
396 int gzip_ok; /**< Nonzero if Accept-encoding: gzip */
397 int is_mailbox; /**< the current room is a private mailbox */
398 struct folder *cache_fold; /**< cache the iconbar room list */
399 int cache_max_folders; /**< ??? todo */
400 int cache_num_floors; /**< ??? todo */
401 time_t cache_timestamp; /**< ??? todo */
402 int current_iconbar; /**< What is currently in the iconbar? */
403 char floordiv_expanded[32]; /**< which floordiv currently expanded */
404 int selected_language; /**< Language selected by user */
405 time_t last_pager_check; /**< last time we polled for instant msgs */
406 int nonce; /**< session nonce (to prevent session riding) */
407 int time_format_cache; /**< which timeformat does our user like? */
410 /** values for WC->current_iconbar */
412 current_iconbar_menu, /**< view the icon menue */
413 current_iconbar_roomlist /**< view the roomtree */
422 #define num_parms(source) num_tokens(source, '|')
425 /* Per-session data */
426 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
427 extern pthread_key_t MyConKey;
429 /* Per-thread SSL context */
431 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
432 extern pthread_key_t ThreadSSL;
433 extern char ctdl_key_dir[PATH_MAX];
434 extern char file_crpt_file_key[PATH_MAX];
435 extern char file_crpt_file_csr[PATH_MAX];
436 extern char file_crpt_file_cer[PATH_MAX];
439 struct serv_info serv_info;
440 extern char floorlist[128][SIZ];
441 extern char *axdefs[];
442 extern char *ctdlhost, *ctdlport;
443 extern int http_port;
444 extern char *server_cookie;
446 extern int setup_wizard;
447 extern char wizard_filename[];
448 extern time_t if_modified_since;
449 extern int follow_xff;
450 void do_setup_wizard(void);
453 void InitialiseSemaphores(void);
454 void begin_critical_section(int which_one);
455 void end_critical_section(int which_one);
458 void stuff_to_cookie(char *cookie, size_t clen, int session,
459 char *user, char *pass, char *room);
460 void cookie_to_stuff(char *cookie, int *session,
461 char *user, size_t user_len,
462 char *pass, size_t pass_len,
463 char *room, size_t room_len);
464 void locate_host(char *, int);
465 void become_logged_in(char *, char *, char *);
467 void display_login(char *mesg);
468 void do_welcome(void);
469 void do_logout(void);
470 void display_main_menu(void);
471 void display_aide_menu(void);
472 void display_shutdown(void);
473 void display_advanced_menu(void);
474 void slrp_highest(void);
477 void get_serv_info(char *, char *);
478 int uds_connectsock(char *);
479 int tcp_connectsock(char *, char *);
480 void serv_getln(char *strbuf, int bufsize);
481 void serv_puts(char *string);
483 void who_inner_div(void);
484 void wholist_section(void);
485 void tasks_section(void);
486 void calendar_section(void);
487 void ajax_mini_calendar(void);
488 void new_messages_section(void);
489 void fmout(char *align);
490 void pullquote_fmout(void);
491 void wDumpContent(int);
492 void serv_printf(const char *format,...);
493 char *bstr(char *key);
494 void urlescputs(char *);
495 void jsesc(char *, size_t, char *);
496 void jsescputs(char *);
497 void output_headers( int do_httpheaders,
503 void wprintf(const char *format,...);
504 void output_static(char *what);
505 void print_menu_box(char* Title, char *Class, int nLines, ...);
506 long stresc(char *target, long tSize, char *strbuf, int nbsp, int nolinebreaks);
507 void escputs(char *strbuf);
509 void escputs1(char *strbuf, int nbsp, int nolinebreaks);
510 void msgesc(char *target, size_t tlen, char *strbuf);
511 void msgescputs(char *strbuf);
512 void msgescputs1(char *strbuf);
513 void stripout(char *str, char leftboundary, char rightboundary);
514 void dump_vars(void);
515 void embed_main_menu(void);
516 void serv_read(char *buf, int bytes);
517 void readloop(char *oper);
518 void read_message(long msgnum, int printable_view, char *section);
519 void embed_message(char *msgnum_as_string);
520 void print_message(char *msgnum_as_string);
521 void display_headers(char *msgnum_as_string);
522 void text_to_server(char *ptr);
523 void text_to_server_qp(char *ptr);
524 void display_enter(void);
525 void post_message(void);
526 void confirm_delete_msg(void);
527 void delete_msg(void);
528 void confirm_move_msg(void);
532 void display_page(void);
533 void page_user(void);
535 void display_private(char *rname, int req_pass);
536 void goto_private(void);
537 void zapped_list(void);
538 void display_zap(void);
540 void display_success(char *);
541 void authorization_required(const char *message);
542 void display_entroom(void);
544 void display_editroom(void);
547 void display_whok(void);
548 void do_invt_kick(void);
549 void server_to_text(void);
550 void save_edit(char *description, char *enter_cmd, int regoto);
551 void display_edit(char *description, char *check_cmd,
552 char *read_cmd, char *save_cmd, int with_room_banner);
553 int gotoroom(char *gname);
554 void confirm_delete_room(void);
555 void delete_room(void);
557 void display_graphics_upload(char *, char *, char *);
558 void do_graphics_upload(char *upl_cmd);
559 void serv_read(char *buf, int bytes);
560 void serv_gets(char *strbuf);
561 void serv_write(char *buf, int nbytes);
562 void serv_puts(char *string);
563 void serv_printf(const char *format,...);
564 void load_floorlist(void);
565 void display_reg(int);
566 void display_changepw(void);
568 void display_edit_node(void);
569 void edit_node(void);
570 void display_netconf(void);
571 void display_confirm_delete_node(void);
572 void delete_node(void);
573 void display_add_node(void);
574 void terminate_session(void);
575 void shutdown_sessions(void);
576 void do_housekeeping(void);
578 void display_siteconfig(void);
579 void siteconfig(void);
580 void display_generic(void);
581 void do_generic(void);
582 void ajax_servcmd(void);
583 void display_menubar(int);
584 void smart_goto(char *);
585 void worker_entry(void);
586 void session_loop(struct httprequest *);
587 size_t wc_strftime(char *s, size_t max, const char *format, const struct tm *tm);
588 void fmt_time(char *buf, time_t thetime);
589 void httpdate(char *buf, time_t thetime);
590 time_t httpdate_to_timestamp(char *buf);
591 void end_webcit_session(void);
592 void page_popup(void);
593 void chat_recv(void);
594 void chat_send(void);
595 void http_redirect(char *);
596 void clear_substs(struct wcsession *wc);
597 void clear_local_substs(void);
598 void svprintf(char *keyname, int keytype, const char *format,...);
599 void svcallback(char *keyname, void (*fcn_ptr)() );
600 void do_template(void *templatename);
601 int lingering_close(int fd);
602 char *memreadline(char *start, char *buf, int maxlen);
603 char *memreadlinelen(char *start, char *buf, int maxlen, int *retlen);
604 long extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
605 void remove_token(char *source, int parmnum, char separator);
606 char *load_mimepart(long msgnum, char *partnum);
607 int pattern2(char *search, char *patn);
608 void do_edit_vcard(long, char *, char *, char *);
609 void edit_vcard(void);
610 void submit_vcard(void);
611 void striplt(char *);
612 void stripltlen(char *, int *);
613 void select_user_to_edit(char *message, char *preselect);
614 void delete_user(char *);
615 void display_edituser(char *who, int is_new);
616 void create_user(void);
618 void do_change_view(int);
619 void change_view(void);
621 void load_preferences(void);
622 void save_preferences(void);
623 void get_preference(char *key, char *value, size_t value_len);
624 void set_preference(char *key, char *value, int save_to_server);
626 int is_msg_in_mset(char *mset, long msgnum);
627 char *safestrncpy(char *dest, const char *src, size_t n);
628 void display_addressbook(long msgnum, char alpha);
629 void offer_start_page(void);
630 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext);
631 void change_start_page(void);
632 void output_html(char *, int);
633 void display_floorconfig(char *);
634 void delete_floor(void);
635 void create_floor(void);
636 void rename_floor(void);
637 void do_listsub(void);
638 void toggle_self_service(void);
640 void summary_inner_div(void);
641 ssize_t write(int fd, const void *buf, size_t count);
642 void cal_process_attachment(char *part_source, long msgnum, char *cal_partnum);
643 void display_calendar(long msgnum);
644 void display_task(long msgnum);
645 void display_note(long msgnum);
646 void updatenote(void);
647 void do_calendar_view(void);
648 void do_tasks_view(void);
649 void free_calendar_buffer(void);
650 void calendar_summary_view(void);
651 int load_msg_ptrs(char *servcmd, int with_headers);
652 void free_attachments(struct wcsession *sess);
653 void free_march_list(struct wcsession *wcf);
654 void set_room_policy(void);
655 void display_inetconf(void);
656 void save_inetconf(void);
657 void display_smtpqueue(void);
658 void display_smtpqueue_inner_div(void);
659 void display_sieve(void);
660 void display_rules_editor_inner_div(void);
661 void save_sieve(void);
662 void display_pushemail(void);
663 void save_pushemail(void);
664 void display_add_remove_scripts(char *);
665 void create_script(void);
666 void delete_script(void);
667 void generate_uuid(char *);
668 void CtdlMakeTempFileName(char *, int);
669 void display_preferences(void);
670 void set_preferences(void);
671 void recp_autocomplete(char *);
672 void address_book_popup(void);
673 void display_address_book_middle_div(void);
674 void display_address_book_inner_div(void);
675 void begin_ajax_response(void);
676 void end_ajax_response(void);
677 void initialize_viewdefs(void);
678 void initialize_axdefs(void);
679 void burn_folder_cache(time_t age);
680 void list_all_rooms_by_floor(char *viewpref);
681 void display_room_directory(void);
682 void download_file(char *);
683 void upload_file(void);
685 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
686 void display_edit_task(void);
687 void save_task(void);
688 void display_edit_event(void);
689 void save_event(void);
690 void display_icaltimetype_as_webform(struct icaltimetype *, char *);
691 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
692 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
693 void display_edit_individual_event(icalcomponent *supplied_vtodo, long msgnum);
694 void save_individual_event(icalcomponent *supplied_vtodo, long msgnum);
695 void respond_to_request(void);
696 void handle_rsvp(void);
697 void ical_dezonify(icalcomponent *cal);
698 void partstat_as_string(char *buf, icalproperty *attendee);
699 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
700 void check_attendee_availability(icalcomponent *supplied_vevent);
701 void do_freebusy(char *req);
702 int ical_ctdl_is_overlap(
703 struct icaltimetype t1start,
704 struct icaltimetype t1end,
705 struct icaltimetype t2start,
706 struct icaltimetype t2end
711 void initialize_locales(void);
714 extern char *months[];
716 void read_server_binary(char *buffer, size_t total_len);
717 char *read_server_text(void);
718 int goto_config_room(void);
719 long locate_user_vcard(char *username, long usernum);
720 void sleeeeeeeeeep(int);
721 void http_transmit_thing(char *thing, size_t length, char *content_type,
723 void unescape_input(char *buf);
724 void do_iconbar(void);
725 void do_iconbar_roomlist(void);
726 void do_selected_iconbar(void);
727 void display_customize_iconbar(void);
728 void commit_iconbar(void);
729 int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen);
730 void spawn_another_worker_thread(void);
731 void display_rss(char *roomname, char *request_method);
732 void set_floordiv_expanded(char *which_floordiv);
733 void offer_languages(void);
734 void set_selected_language(char *);
735 void go_selected_language(void);
736 void stop_selected_language(void);
737 void httplang_to_locale(char *LocaleString);
738 void tabbed_dialog(int num_tabs, char *tabnames[]);
739 void begin_tab(int tabnum, int num_tabs);
740 void end_tab(int tabnum, int num_tabs);
741 void str_wiki_index(char *s);
742 void display_wiki_page(void);
743 int get_time_format_cached (void);
744 int xtoi(char *in, size_t len);
745 void webcit_fmt_date(char *buf, time_t thetime, int brief);
748 iconv_t ctdl_iconv_open(const char *tocode, const char *fromcode);
751 void embed_room_banner(char *, int);
753 /* navbar types that can be passed to embed_room_banner */
763 void ssl_lock(int mode, int n, const char *file, int line);
764 int starttls(int sock);
765 extern SSL_CTX *ssl_ctx;
766 int client_read_ssl(char *buf, int bytes, int timeout);
767 void client_write_ssl(char *buf, int nbytes);
772 int ZEXPORT compress_gzip(Bytef * dest, size_t * destLen,
773 const Bytef * source, uLong sourceLen, int level);
777 void utf8ify_rfc822_string(char *buf);
780 void begin_burst(void);
781 void end_burst(void);
783 extern char *hourname[]; /**< Names of hours (12am, 1am, etc.) */
785 void http_datestring(char *buf, size_t n, time_t xtime);
788 /* These should be empty, but we have them for testing */
789 #define DEFAULT_HTTPAUTH_USER ""
790 #define DEFAULT_HTTPAUTH_PASS ""
793 /* Exit codes 101 through 109 are initialization failures so we don't want to
794 * just keep respawning indefinitely.
796 #define WC_EXIT_BIND 101 /* Can't bind to the port */
797 #define WC_EXIT_SSL 102 /* Can't initialize SSL */
800 #define WC_TIMEFORMAT_NONE 0
801 #define WC_TIMEFORMAT_AMPM 1
802 #define WC_TIMEFORMAT_24 2