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
55 extern locale_t wc_locales[];
57 #define _(string) gettext(string)
59 #define _(string) (string)
62 #define IsEmptyStr(a) ((a)[0] == '\0')
64 * Uncomment to dump an HTTP trace to stderr
65 #define HTTP_TRACING 1
78 /* Work around PACKAGE/VERSION defs that are (not supposed to be?) in ical.h */
80 # define CTDL_PACKAGE PACKAGE
85 # define CTDL_PACKAGE_STRING PACKAGE_STRING
86 //# undef PACKAGE_STRING
90 # define CTDL_VERSION VERSION
100 #undef PACKAGE_TARNAME
101 #undef PACKAGE_VERSION
102 #undef PACKAGE_BUGREPORT
105 ////////#include "hash.h"
108 /* Work around RedHat's b0rken OpenSSL includes */
109 #define OPENSSL_NO_KRB5
110 #include <openssl/ssl.h>
111 #include <openssl/err.h>
112 #include <openssl/rand.h>
115 #define CALENDAR_ROOM_NAME "Calendar"
116 #define PRODID "-//Citadel//NONSGML Citadel Calendar//EN"
118 #define SIZ 4096 /* generic buffer size */
120 #define TRACE fprintf(stderr, "Checkpoint: %s, %d\n", __FILE__, __LINE__)
122 #define SLEEPING 180 /* TCP connection timeout */
123 #define WEBCIT_TIMEOUT 900 /* WebCit session timeout */
124 #define PORT_NUM 2000 /* port number to listen on */
125 #define DEVELOPER_ID 0
127 #define CLIENT_VERSION 737 /* This version of WebCit */
128 #define MINIMUM_CIT_VERSION 737 /* min required Citadel ver */
129 #define LIBCITADEL_MIN 738 /* min required libcitadel ver */
130 #define DEFAULT_HOST "localhost" /* Default Citadel server */
131 #define DEFAULT_PORT "504"
132 #define LB (1) /* Internal escape chars */
135 #define TARGET "webcit01" /* Target for inline URL's */
136 #define HOUSEKEEPING 15 /* Housekeeping frequency */
137 #define MIN_WORKER_THREADS 5
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
193 * User flags (from Citadel)
195 #define US_NEEDVALID 1 /**< User needs to be validated */
196 #define US_PERM 4 /**< Permanent user */
197 #define US_LASTOLD 16 /**< Print last old message with new */
198 #define US_EXPERT 32 /**< Experienced user */
199 #define US_UNLISTED 64 /**< Unlisted userlog entry */
200 #define US_NOPROMPT 128 /**< Don't prompt after each message */
201 #define US_PROMPTCTL 256 /**< <N>ext & <S>top work at prompt */
202 #define US_DISAPPEAR 512 /**< Use "disappearing msg prompts" */
203 #define US_REGIS 1024 /**< Registered user */
204 #define US_PAGINATOR 2048 /**< Pause after each screen of text */
205 #define US_INTERNET 4096 /**< Internet mail privileges */
206 #define US_FLOORS 8192 /**< User wants to see floors */
207 #define US_COLOR 16384 /**< User wants ANSI color support */
208 #define US_USER_SET (US_LASTOLD | US_EXPERT | US_UNLISTED | \
209 US_NOPROMPT | US_DISAPPEAR | US_PAGINATOR | \
210 US_FLOORS | US_COLOR | US_PROMPTCTL )
213 * NLI is the string that shows up in a who's online listing for sessions
214 * that are active, but for which no user has yet authenticated.
216 #define NLI "(not logged in)"
219 /** \brief Linked list of lines appearing in an HTTP client request */
221 struct httprequest *next; /**< the next request in the list */
222 char line[SIZ]; /**< the request line */
226 * \brief Linked list of session variables encoded in an x-www-urlencoded content type
228 typedef struct urlcontent urlcontent;
230 char url_key[32]; /**< the variable name */
231 char *url_data; /**< its value */
232 size_t url_data_size; /**< how big is it? */
236 * \brief information about us ???
239 int serv_pid; /* Process ID of the Citadel server */
240 char serv_nodename[32]; /* Node name of the Citadel server */
241 char serv_humannode[64]; /* human readable node name of the Citadel server */
242 char serv_fqdn[64]; /* fully quallified Domain Name (such as uncensored.citadel.org) */
243 char serv_software[64]; /* What version does our connected citadel server use */
244 int serv_rev_level; /* Whats the citadel server revision */
245 char serv_bbs_city[64]; /* Geographic location of the Citadel server */
246 char serv_sysadm[64]; /* Name of system administrator */
247 char serv_moreprompt[256]; /* Whats the commandline textprompt */
248 int serv_ok_floors; /* nonzero == server supports floors */
249 int serv_supports_ldap; /* is the server linked against an ldap tree for adresses? */
250 int serv_newuser_disabled; /* Has the server disabled self-service new user creation? */
251 char serv_default_cal_zone[128];/* Default timezone for unspecified calendar items */
252 int serv_supports_sieve; /* Does the server support Sieve mail filtering? */
253 int serv_fulltext_enabled; /* Does the server have the full text index enabled? */
254 char serv_svn_revision[256]; /* SVN revision of the server */
255 int serv_supports_openid; /* Does the server support authentication via OpenID? */
261 * \brief This struct holds a list of rooms for \\\<G\\\>oto operations.
264 struct march *next; /**< pointer to next in linked list */
265 char march_name[128]; /**< name of room */
266 int march_floor; /**< floor number of room */
267 int march_order; /**< sequence in which we are to visit this room */
271 * \brief This struct holds a list of rooms for client display.
272 * It is a binary tree.
275 struct roomlisting *lnext; /**< pointer to 'left' tree node */
276 struct roomlisting *rnext; /**< pointer to 'right' tree node */
277 char rlname[128]; /**< name of room */
278 unsigned rlflags; /**< room flags */
279 int rlfloor; /**< the floor it resides on */
280 int rlorder; /**< room listing order */
286 * \brief Dynamic content for variable substitution in templates
288 typedef struct _wcsubst {
289 int wcs_type; /**< which type of ??? */
290 char wcs_key[32]; /**< ??? what?*/
291 void *wcs_value; /**< ???? what?*/
292 void (*wcs_function)(void); /**< funcion hook ???*/
296 * \brief Values for wcs_type
299 WCS_STRING, /**< its a string */
300 WCS_FUNCTION, /**< its a function callback */
301 WCS_SERVCMD /**< its a command to send to the citadel server */
305 * \brief mail attachment ???
307 struct wc_attachment {
308 struct wc_attachment *next;/**< pointer to next in list */
309 size_t length; /**< length of the contenttype */
310 char content_type[SIZ]; /**< the content itself ???*/
311 char filename[SIZ]; /**< the filename hooked to this content ??? */
312 char *data; /**< the data pool; aka this content */
316 * \brief message summary structure. ???
318 struct message_summary {
319 time_t date; /**< its creation date */
320 long msgnum; /**< the message number on the citadel server */
321 char from[128]; /**< the author */
322 char to[128]; /**< the recipient */
323 char subj[256]; /**< the title / subject */
324 int hasattachments; /**< does it have atachments? */
325 int is_new; /**< is it yet read? */
329 * \brief Data structure for roomlist-to-folderlist conversion
332 int floor; /**< which floor is it on */
333 char room[SIZ]; /**< which roomname ??? */
334 char name[SIZ]; /**< which is its own name??? */
335 int hasnewmsgs; /**< are there unread messages inside */
336 int is_mailbox; /**< is it a mailbox? */
337 int selectable; /**< can we select it ??? */
338 int view; /**< whats its default view? inbox/calendar.... */
339 int num_rooms; /**< If this is a floor, how many rooms does it have */
342 typedef struct _disp_cal {
343 icalcomponent *cal; /**< cal items for display */
344 long cal_msgnum; /**< cal msgids for display */
345 char *from; /**< owner of this component */
346 int unread; /**< already seen by the user? */
357 * \brief One of these is kept for each active Citadel session.
358 * HTTP transactions are bound to on e at a time.
361 struct wcsession *next; /**< Linked list */
362 int wc_session; /**< WebCit session ID */
363 char wc_username[128]; /**< login name of current user */
364 char wc_fullname[128]; /**< Screen name of current user */
365 char wc_password[128]; /**< Password of current user */
366 char wc_roomname[256]; /**< Room we are currently in */
367 int connected; /**< nonzero == we are connected to Citadel */
368 int logged_in; /**< nonzero == we are logged in */
369 int axlevel; /**< this user's access level */
370 int is_aide; /**< nonzero == this user is an Aide */
371 int is_room_aide; /**< nonzero == this user is a Room Aide in this room */
372 int http_sock; /**< HTTP server socket */
373 int serv_sock; /**< Client socket to Citadel server */
374 int chat_sock; /**< Client socket to Citadel server - for chat */
375 unsigned room_flags; /**< flags associated with the current room */
376 unsigned room_flags2; /**< flags associated with the current room */
377 int wc_view; /**< view for the current room */
378 int wc_default_view; /**< default view for the current room */
379 int wc_is_trash; /**< nonzero == current room is a Trash folder */
380 int wc_floor; /**< floor number of current room */
381 char ugname[128]; /**< where does 'ungoto' take us */
382 long uglsn; /**< last seen message number for ungoto */
383 int upload_length; /**< content length of http-uploaded data */
384 char *upload; /**< pointer to http-uploaded data */
385 char upload_filename[PATH_MAX]; /**< filename of http-uploaded data */
386 char upload_content_type[256]; /**< content type of http-uploaded data */
387 int new_mail; /**< user has new mail waiting */
388 int remember_new_mail; /**< last count of new mail messages */
389 int need_regi; /**< This user needs to register. */
390 int need_vali; /**< New users require validation. */
391 char cs_inet_email[256]; /**< User's preferred Internet addr. */
392 pthread_mutex_t SessionMutex; /**< mutex for exclusive access */
393 time_t lastreq; /**< Timestamp of most recent HTTP */
394 int killthis; /**< Nonzero == purge this session */
395 struct march *march; /**< march mode room list */
396 char reply_to[512]; /**< reply-to address */
397 long msgarr[10000]; /**< for read operations */
398 int num_summ; /**< number of messages in mailbox summary view */
399 struct message_summary *summ; /**< array of messages for mailbox summary view */
400 int is_mobile; /**< Client is a handheld browser */
401 HashList *urlstrings; /**< variables passed to webcit in a URL */
402 HashList *vars; /**< HTTP variable substitutions for this page */
403 char this_page[512]; /**< URL of current page */
404 char http_host[512]; /**< HTTP Host: header */
405 HashList *hash_prefs; /**< WebCit preferences for this user */
406 HashList *disp_cal_items; /**< sorted list of calendar items; startdate is the sort criteria. */
407 struct wc_attachment *first_attachment; /**< linked list of attachments for 'enter message' */
408 char last_chat_user[256]; /**< ??? todo */
409 char ImportantMessage[SIZ]; /**< ??? todo */
410 int ctdl_pid; /**< Session ID on the Citadel server */
411 char httpauth_user[256]; /**< only for GroupDAV sessions */
412 char httpauth_pass[256]; /**< only for GroupDAV sessions */
413 int gzip_ok; /**< Nonzero if Accept-encoding: gzip */
414 int is_mailbox; /**< the current room is a private mailbox */
415 struct folder *cache_fold; /**< cache the iconbar room list */
416 int cache_max_folders; /**< ??? todo */
417 int cache_num_floors; /**< ??? todo */
418 time_t cache_timestamp; /**< ??? todo */
419 HashList *IconBarSetttings; /**< which icons should be shown / not shown? */
420 long current_iconbar; /**< What is currently in the iconbar? */
421 StrBuf *floordiv_expanded; /**< which floordiv currently expanded */
422 int selected_language; /**< Language selected by user */
423 time_t last_pager_check; /**< last time we polled for instant msgs */
424 int nonce; /**< session nonce (to prevent session riding) */
425 int time_format_cache; /**< which timeformat does our user like? */
426 StrBuf *UrlFragment1; /**< first urlfragment, if NEED_URL is specified by the handler*/
427 StrBuf *UrlFragment2; /**< second urlfragment, if NEED_URL is specified by the handler*/
428 StrBuf *WBuf; /**< Our output buffer */
429 StrBuf *HBuf; /**< Our HeaderBuffer */
432 /** values for WC->current_iconbar */
434 current_iconbar_menu, /**< view the icon menue */
435 current_iconbar_roomlist /**< view the roomtree */
444 #define num_parms(source) num_tokens(source, '|')
447 /* Per-session data */
448 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
449 extern pthread_key_t MyConKey;
451 /* Per-thread SSL context */
453 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
454 extern pthread_key_t ThreadSSL;
455 extern char ctdl_key_dir[PATH_MAX];
456 extern char file_crpt_file_key[PATH_MAX];
457 extern char file_crpt_file_csr[PATH_MAX];
458 extern char file_crpt_file_cer[PATH_MAX];
461 struct serv_info serv_info;
462 extern char floorlist[128][SIZ];
463 extern char *axdefs[];
464 extern char *ctdlhost, *ctdlport;
465 extern int http_port;
466 extern char *server_cookie;
468 extern int setup_wizard;
469 extern char wizard_filename[];
470 extern time_t if_modified_since;
471 extern int follow_xff;
472 extern HashList *HandlerHash;
474 void InitialiseSemaphores(void);
475 void begin_critical_section(int which_one);
476 void end_critical_section(int which_one);
479 void stuff_to_cookie(char *cookie, size_t clen, int session,
480 char *user, char *pass, char *room);
481 void cookie_to_stuff(char *cookie, int *session,
482 char *user, size_t user_len,
483 char *pass, size_t pass_len,
484 char *room, size_t room_len);
485 void locate_host(char *, int);
486 void become_logged_in(char *, char *, char *);
487 void openid_manual_create(void);
488 void display_login(char *mesg);
489 void display_openids(void);
490 void do_welcome(void);
491 void do_logout(void);
492 void display_main_menu(void);
493 void display_aide_menu(void);
494 void display_advanced_menu(void);
495 void slrp_highest(void);
496 void get_serv_info(char *, char *);
497 int uds_connectsock(char *);
498 int tcp_connectsock(char *, char *);
499 int serv_getln(char *strbuf, int bufsize);
500 int StrBuf_ServGetln(StrBuf *buf);
501 void serv_puts(char *string);
503 void who_inner_div(void);
504 void ajax_mini_calendar(void);
505 void fmout(char *align);
506 void pullquote_fmout(void);
507 void wDumpContent(int);
509 /* TODO: get rid of the non-const-typecast */
510 #define bstr(a) (char*) Bstr(a, sizeof(a) - 1)
511 const char *BSTR(char *key);
512 const char *Bstr(char *key, size_t keylen);
514 #define xbstr(a, b) (char*) XBstr(a, sizeof(a) - 1, b)
515 const char *XBstr(char *key, size_t keylen, size_t *len);
516 const char *XBSTR(char *key, size_t *len);
518 #define lbstr(a) LBstr(a, sizeof(a) - 1)
519 long LBstr(char *key, size_t keylen);
520 long LBSTR(char *key);
522 #define ibstr(a) IBstr(a, sizeof(a) - 1)
523 int IBstr(char *key, size_t keylen);
524 int IBSTR(char *key);
526 #define havebstr(a) HaveBstr(a, sizeof(a) - 1)
527 int HaveBstr(char *key, size_t keylen);
528 int HAVEBSTR(char *key);
530 #define yesbstr(a) YesBstr(a, sizeof(a) - 1)
531 int YesBstr(char *key, size_t keylen);
532 int YESBSTR(char *key);
535 void urlescputs(char *);
536 void jsesc(char *, size_t, char *);
537 void jsescputs(char *);
538 void output_headers( int do_httpheaders,
544 void wprintf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
545 void hprintf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
546 void output_static(char *what);
547 void display_mime_icon(void);
548 void print_menu_box(char* Title, char *Class, int nLines, ...);
549 long stresc(char *target, long tSize, char *strbuf, int nbsp, int nolinebreaks);
550 void escputs(char *strbuf);
551 void url(char *buf, size_t bufsize);
552 void escputs1(char *strbuf, int nbsp, int nolinebreaks);
553 void msgesc(char *target, size_t tlen, char *strbuf);
554 void msgescputs(char *strbuf);
555 void msgescputs1(char *strbuf);
556 void stripout(char *str, char leftboundary, char rightboundary);
557 void dump_vars(void);
558 void embed_main_menu(void);
559 void serv_read(char *buf, int bytes);
560 void readloop(char *oper);
561 void read_message(long msgnum, int printable_view, char *section);
562 void text_to_server(char *ptr);
563 void text_to_server_qp(char *ptr);
564 void confirm_delete_msg(void);
565 void display_success(char *);
566 void authorization_required(const char *message);
567 void server_to_text(void);
568 void save_edit(char *description, char *enter_cmd, int regoto);
569 void display_edit(char *description, char *check_cmd,
570 char *read_cmd, char *save_cmd, int with_room_banner);
571 int gotoroom(char *gname);
572 void confirm_delete_room(void);
574 void display_graphics_upload(char *, char *, char *);
575 void do_graphics_upload(char *upl_cmd);
576 void serv_read(char *buf, int bytes);
577 void serv_gets(char *strbuf);
578 void serv_write(char *buf, int nbytes);
579 void serv_puts(char *string);
580 void serv_printf(const char *format,...)__attribute__((__format__(__printf__,1,2)));
581 void load_floorlist(void);
582 void shutdown_sessions(void);
583 void do_housekeeping(void);
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 http_redirect(const char *);
594 void clear_substs(struct wcsession *wc);
595 void clear_local_substs(void);
598 typedef void (*var_callback_fptr)();
601 void SVPut(char *keyname, size_t keylen, int keytype, char *Data);
602 #define svput(a, b, c) SVPut(a, sizeof(a) - 1, b, c)
603 void svprintf(char *keyname, size_t keylen, int keytype, const char *format,...) __attribute__((__format__(__printf__,4,5)));
604 void SVPRINTF(char *keyname, int keytype, const char *format,...) __attribute__((__format__(__printf__,3,4)));
605 void SVCALLBACK(char *keyname, var_callback_fptr fcn_ptr);
606 void SVCallback(char *keyname, size_t keylen, var_callback_fptr fcn_ptr);
607 #define svcallback(a, b) SVCallback(a, sizeof(a) - 1, b)
609 void do_template(void *templatename);
612 int lingering_close(int fd);
613 char *memreadline(char *start, char *buf, int maxlen);
614 char *memreadlinelen(char *start, char *buf, int maxlen, int *retlen);
615 long extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
616 void remove_token(char *source, int parmnum, char separator);
617 char *load_mimepart(long msgnum, char *partnum);
618 int pattern2(char *search, char *patn);
619 void do_edit_vcard(long, char *, char *, char *);
620 void striplt(char *);
621 void stripltlen(char *, int *);
622 void select_user_to_edit(char *message, char *preselect);
623 void delete_user(char *);
624 void do_change_view(int);
628 void load_preferences(void);
629 void save_preferences(void);
630 #define get_preference(a, b) get_PREFERENCE(a, sizeof(a) - 1, b)
631 #define get_pref(a, b) get_PREFERENCE(ChrPtr(a), StrLength(a), b)
632 int get_PREFERENCE(const char *key, size_t keylen, StrBuf **value);
633 #define set_preference(a, b, c) set_PREFERENCE(a, sizeof(a) - 1, b, c)
634 #define set_pref(a, b, c) set_PREFERENCE(ChrPtr(a), StrLength(a), b, c)
635 void set_PREFERENCE(const char *key, size_t keylen, StrBuf *value, int save_to_server);
637 #define get_pref_long(a, b, c) get_PREF_LONG(a, sizeof(a) - 1, b, c)
638 int get_PREF_LONG(const char *key, size_t keylen, long *value, long Default);
639 #define set_pref_long(a, b, c) set_PREF_LONG(a, sizeof(a) - 1, b, c)
640 void set_PREF_LONG(const char *key, size_t keylen, long value, int save_to_server);
642 #define get_pref_yesno(a, b, c) get_PREF_YESNO(a, sizeof(a) - 1, b, c)
643 int get_PREF_YESNO(const char *key, size_t keylen, int *value, int Default);
644 #define set_pref_yesno(a, b, c) set_PREF_YESNO(a, sizeof(a) - 1, b, c)
645 void set_PREF_YESNO(const char *key, size_t keylen, int value, int save_to_server);
649 int is_msg_in_mset(char *mset, long msgnum);
650 void display_addressbook(long msgnum, char alpha);
651 void offer_start_page(void);
652 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext);
653 void output_html(char *, int);
654 void do_listsub(void);
655 void toggle_self_service(void);
656 ssize_t write(int fd, const void *buf, size_t count);
657 void cal_process_attachment(char *part_source, long msgnum, char *cal_partnum);
658 void display_calendar(long msgnum, int unread);
659 void display_task(long msgnum, int unread);
660 void display_note(long msgnum, int unread);
661 void updatenote(void);
662 void do_calendar_view(void);
663 void do_tasks_view(void);
664 void calendar_summary_view(void);
665 int load_msg_ptrs(char *servcmd, int with_headers);
666 void free_attachments(struct wcsession *sess);
667 void free_march_list(struct wcsession *wcf);
668 void display_rules_editor_inner_div(void);
669 void generate_uuid(char *);
670 void CtdlMakeTempFileName(char *, int);
671 void address_book_popup(void);
672 void begin_ajax_response(void);
673 void end_ajax_response(void);
674 void initialize_viewdefs(void);
675 void initialize_axdefs(void);
676 void burn_folder_cache(time_t age);
677 void list_all_rooms_by_floor(const char *viewpref);
678 void display_pictureview(void);
680 void display_edit_task(void);
681 void display_edit_event(void);
682 icaltimezone *get_default_icaltimezone(void);
683 void display_icaltimetype_as_webform(struct icaltimetype *, char *);
684 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
685 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
686 void display_edit_individual_event(icalcomponent *supplied_vtodo, long msgnum, char *from, int unread);
687 void save_individual_event(icalcomponent *supplied_vtodo, long msgnum, char *from, int unread);
688 void ical_dezonify(icalcomponent *cal);
689 void partstat_as_string(char *buf, icalproperty *attendee);
690 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
691 void check_attendee_availability(icalcomponent *supplied_vevent);
692 void do_freebusy(char *req);
693 int ical_ctdl_is_overlap(
694 struct icaltimetype t1start,
695 struct icaltimetype t1end,
696 struct icaltimetype t2start,
697 struct icaltimetype t2end
701 void initialize_locales(void);
702 void ShutdownLocale(void);
705 extern char *months[];
707 int read_server_binary(StrBuf *Ret, size_t total_len);
708 int StrBuf_ServGetBLOB(StrBuf *buf, long BlobSize);
709 int read_server_text(StrBuf *Buf, long *nLines);;
710 int goto_config_room(void);
711 long locate_user_vcard(char *username, long usernum);
712 void sleeeeeeeeeep(int);
713 void http_transmit_thing(const char *content_type, int is_static);
714 long unescape_input(char *buf);
715 void do_selected_iconbar(void);
716 int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen);
717 void spawn_another_worker_thread(void);
718 void display_rss(char *roomname, char *request_method);
719 void offer_languages(void);
720 void set_selected_language(const char *);
721 void go_selected_language(void);
722 void stop_selected_language(void);
723 void preset_locale(void);
724 void httplang_to_locale(char *LocaleString);
725 void tabbed_dialog(int num_tabs, char *tabnames[]);
726 void begin_tab(int tabnum, int num_tabs);
727 void end_tab(int tabnum, int num_tabs);
728 void str_wiki_index(char *s);
729 int get_time_format_cached (void);
730 int xtoi(char *in, size_t len);
731 void webcit_fmt_date(char *buf, time_t thetime, int brief);
732 int fetch_http(char *url, char *target_buf, int maxbytes);
734 int is_mobile_ua(char *user_agent);
737 iconv_t ctdl_iconv_open(const char *tocode, const char *fromcode);
740 void embed_room_banner(char *, int);
742 /* navbar types that can be passed to embed_room_banner */
752 void ssl_lock(int mode, int n, const char *file, int line);
753 int starttls(int sock);
754 extern SSL_CTX *ssl_ctx;
755 int client_read_ssl(char *buf, int bytes, int timeout);
756 void client_write_ssl(const char *buf, int nbytes);
761 int ZEXPORT compress_gzip(Bytef * dest, size_t * destLen,
762 const Bytef * source, uLong sourceLen, int level);
765 void utf8ify_rfc822_string(char *buf);
767 void begin_burst(void);
768 long end_burst(void);
770 extern char *hourname[]; /**< Names of hours (12am, 1am, etc.) */
772 void http_datestring(char *buf, size_t n, time_t xtime);
775 typedef void (*WebcitHandlerFunc)(void);
776 typedef struct _WebcitHandler{
780 void WebcitAddUrlHandler(const char * UrlString, long UrlSLen, WebcitHandlerFunc F, long Flags);
783 #define ANONYMOUS (1<<1)
784 #define NEED_URL (1<<2)
787 /* These should be empty, but we have them for testing */
788 #define DEFAULT_HTTPAUTH_USER ""
789 #define DEFAULT_HTTPAUTH_PASS ""
792 /* Exit codes 101 through 109 are initialization failures so we don't want to
793 * just keep respawning indefinitely.
795 #define WC_EXIT_BIND 101 /* Can't bind to the port */
796 #define WC_EXIT_SSL 102 /* Can't initialize SSL */
799 #define WC_TIMEFORMAT_NONE 0
800 #define WC_TIMEFORMAT_AMPM 1
801 #define WC_TIMEFORMAT_24 2