13 #include <sys/types.h>
15 #include <sys/socket.h>
16 #ifdef HAVE_SYS_TIME_H
23 #include <netinet/in.h>
24 #include <arpa/inet.h>
34 #include <sys/utsname.h>
37 #define INADDR_NONE 0xffffffff
48 #define _(string) gettext(string)
50 #define _(string) (string)
54 * Uncomment to dump an HTTP trace to stderr
55 #define HTTP_TRACING 1
69 #define WEBCIT_WITH_CALENDAR_SERVICE 1
75 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
76 /* Work around PACKAGE/VERSION defs that are (not supposed to be?) in ical.h */
78 # define CTDL_PACKAGE PACKAGE
82 # define CTDL_VERSION VERSION
90 # define PACKAGE CTDL_PACKAGE
97 # define VERSION CTDL_VERSION
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>
112 #define CALENDAR_ROOM_NAME "Calendar"
113 #define PRODID "-//Citadel//NONSGML Citadel Calendar//EN"
115 #define SIZ 4096 /* generic buffer size */
117 #define TRACE fprintf(stderr, "Checkpoint: %s, %d\n", __FILE__, __LINE__)
119 #define SLEEPING 180 /* TCP connection timeout */
120 #define WEBCIT_TIMEOUT 900 /* WebCit session timeout */
121 #define PORT_NUM 2000 /* port number to listen on */
122 #define SERVER "WebCit v6.71" /* who's in da house */
123 #define DEVELOPER_ID 0
125 #define CLIENT_VERSION 671 /* This version of WebCit */
126 #define MINIMUM_CIT_VERSION 671 /* 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 */
173 #define UA_GOTOALLOWED 4
174 #define UA_HASNEWMSGS 8
179 * User flags (from Citadel)
181 #define US_NEEDVALID 1 /**< User needs to be validated */
182 #define US_PERM 4 /**< Permanent user */
183 #define US_LASTOLD 16 /**< Print last old message with new */
184 #define US_EXPERT 32 /**< Experienced user */
185 #define US_UNLISTED 64 /**< Unlisted userlog entry */
186 #define US_NOPROMPT 128 /**< Don't prompt after each message */
187 #define US_PROMPTCTL 256 /**< <N>ext & <S>top work at prompt */
188 #define US_DISAPPEAR 512 /**< Use "disappearing msg prompts" */
189 #define US_REGIS 1024 /**< Registered user */
190 #define US_PAGINATOR 2048 /**< Pause after each screen of text */
191 #define US_INTERNET 4096 /**< Internet mail privileges */
192 #define US_FLOORS 8192 /**< User wants to see floors */
193 #define US_COLOR 16384 /**< User wants ANSI color support */
194 #define US_USER_SET (US_LASTOLD | US_EXPERT | US_UNLISTED | \
195 US_NOPROMPT | US_DISAPPEAR | US_PAGINATOR | \
196 US_FLOORS | US_COLOR | US_PROMPTCTL )
200 /** \brief http request struct ??? */
202 struct httprequest *next; /**< the next request in the list ??? */
203 char line[SIZ]; /**< the request line ??? */
207 * \brief contents of an url???
210 struct urlcontent *next; /**< the next url in the list */
211 char url_key[32]; /**< the url directory part */
212 char *url_data; /**< the url data part ??? */
216 * \brief information about us ???
219 int serv_pid; /**< Our process id */
220 char serv_nodename[32]; /**< How is the name of this citadel */
221 char serv_humannode[64]; /**< How is the human readable name of this citadel */
222 char serv_fqdn[64]; /**< How is our Full quallified Domain Name (uncensored.citadel.org ie.e */
223 char serv_software[64]; /**< What version does our connected citadel server use */
224 int serv_rev_level; /**< Whats the citadel server revision */
225 char serv_bbs_city[64]; /**< Where is the dialin node */
226 char serv_sysadm[64]; /**< Who's to blame on trouble */
227 char serv_moreprompt[SIZ]; /**< Whats the commandline textprompt */
228 int serv_ok_floors; /**< what??? */
229 int serv_supports_ldap; /**< is the server linked against an ldap tree for adresses? */
235 * \brief This struct holds a list of rooms for \\\<G\\\>oto operations.
238 struct march *next; /**< pointer to next in linked list */
239 char march_name[128]; /**< function name ??? */
240 int march_floor; /**< floor number */
241 int march_order; /**< order number???*/
245 * \brief This struct holds a list of rooms for client display.
246 * (oooh, a tree!) (double linked list? )
249 struct roomlisting *lnext;/**< pointer to the next roomlisting */
250 struct roomlisting *rnext;/**< pointer to the previous roomlisting */
251 char rlname[128]; /**< the userprintable roomname */
252 unsigned rlflags; /**< the room flags */
253 int rlfloor; /**< the floor it reside on (citadel server room number???)*/
254 int rlorder; /**< the order to print it???*/
260 * \brief Dynamic content for variable substitution in templates
263 struct wcsubst *next; /**< next item in the list */
264 int wcs_type; /**< which type of ??? */
265 char wcs_key[32]; /**< ??? what?*/
266 void *wcs_value; /**< ???? what?*/
267 void (*wcs_function)(void); /**< funcion hook ???*/
271 * \brief Values for wcs_type
274 WCS_STRING, /**< its a string */
275 WCS_FUNCTION, /**< its a function callback */
276 WCS_SERVCMD /**< its a command to send to the citadel server */
280 * \brief mail attachment ???
282 struct wc_attachment {
283 struct wc_attachment *next;/**< pointer to next in list */
284 size_t length; /**< length of the contenttype */
285 char content_type[SIZ]; /**< the content itself ???*/
286 char filename[SIZ]; /**< the filename hooked to this content ??? */
287 char *data; /**< the data pool; aka this content */
291 * \brief message summary structure. ???
293 struct message_summary {
294 time_t date; /**< its creation date */
295 long msgnum; /**< the message number on the citadel server */
296 char from[128]; /**< the author */
297 char to[128]; /**< the recipient */
298 char subj[128]; /**< the title / subject */
299 int hasattachments; /**< does it have atachments? */
300 int is_new; /**< is it yet read? */
304 * \brief Data structure for roomlist-to-folderlist conversion
307 int floor; /**< which floor is it on */
308 char room[SIZ]; /**< which roomname ??? */
309 char name[SIZ]; /**< which is its own name??? */
310 int hasnewmsgs; /**< are there unread messages inside */
311 int is_mailbox; /**< is it a mailbox? */
312 int selectable; /**< can we select it ??? */
313 int view; /**< whats its default view? inbox/calendar.... */
317 * \brief One of these is kept for each active Citadel session.
318 * HTTP transactions are bound to on e at a time.
321 struct wcsession *next; /**< Linked list */
322 int wc_session; /**< WebCit session ID */
323 char wc_username[128]; /**< ??? todo */
324 char wc_fullname[128]; /**< ??? todo */
325 char wc_password[128]; /**< ??? todo */
326 char wc_roomname[256]; /**< ??? todo */
327 int connected; /**< ??? todo */
328 int logged_in; /**< ??? todo */
329 int axlevel; /**< ??? todo */
330 int is_aide; /**< ??? todo */
331 int is_room_aide; /**< ??? todo */
332 int http_sock; /**< ??? todo */
333 int serv_sock; /**< ??? todo */
334 int chat_sock; /**< ??? todo */
335 unsigned room_flags; /**< ??? todo */
336 int wc_view; /**< ??? todo */
337 int wc_default_view; /**< ??? todo */
338 int wc_is_trash; /**< ??? todo */
339 int wc_floor; /**< ??? todo */
340 char ugname[128]; /**< ??? todo */
341 long uglsn; /**< ??? todo */
342 int upload_length; /**< ??? todo */
343 char *upload; /**< ??? todo */
344 char upload_filename[PATH_MAX]; /**< ??? todo */
345 char upload_content_type[256]; /**< ??? todo */
346 int new_mail; /**< ??? todo */
347 int remember_new_mail; /**< ??? todo */
348 int need_regi; /**< This user needs to register. */
349 int need_vali; /**< New users require validation. */
350 char cs_inet_email[256]; /**< User's preferred Internet addr. */
351 pthread_mutex_t SessionMutex; /**< mutex for exclusive access */
352 time_t lastreq; /**< Timestamp of most recent HTTP */
353 int killthis; /**< Nonzero == purge this session */
354 struct march *march; /**< march mode room list */
355 char reply_to[512]; /**< reply-to address */
356 long msgarr[10000]; /**< for read operations */
357 int num_summ; /**< ??? todo */
358 struct message_summary *summ; /**< ??? todo */
359 int is_wap; /**< Client is a WAP gateway */
360 struct urlcontent *urlstrings; /**< ??? todo */
361 struct wcsubst *vars; /**< ??? todo*/
362 char this_page[512]; /**< address of current page */
363 char http_host[512]; /**< HTTP Host: header */
364 char *preferences; /**< ??? todo */
365 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
366 /** \brief ical???? */
368 icalcomponent *cal; /**< cal items for display */
369 long cal_msgnum; /**< cal msgids for display */
371 int num_cal; /**< ??? todo */
373 struct wc_attachment *first_attachment; /**< ??? todo */
374 char last_chat_user[256]; /**< ??? todo */
375 char ImportantMessage[SIZ]; /**< ??? todo */
376 int ctdl_pid; /**< Session ID on the Citadel server */
377 char httpauth_user[256]; /**< only for GroupDAV sessions */
378 char httpauth_pass[256]; /**< only for GroupDAV sessions */
379 size_t burst_len; /**< ??? todo */
380 char *burst; /**< ??? todo */
381 int gzip_ok; /**< Nonzero if Accept-encoding: gzip */
382 int is_mailbox; /**< the current room is a private mailbox */
383 struct folder *cache_fold; /**< cache the iconbar room list */
384 int cache_max_folders; /**< ??? todo */
385 int cache_num_floors; /**< ??? todo */
386 time_t cache_timestamp; /**< ??? todo */
387 int current_iconbar; /**< What's currently in the iconbar? */
388 char floordiv_expanded[32]; /**< which floordiv currently expanded */
389 int selected_language; /**< Language selected by user */
390 time_t last_pager_check; /**< last time we polled for instant msgs */
393 /** values for WC->current_iconbar */
395 current_iconbar_menu, /**< view the icon menue */
396 current_iconbar_roomlist /**< view the roomtree */
400 #define num_parms(source) num_tokens(source, '|')
402 /* Per-session data */
403 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
404 extern pthread_key_t MyConKey;
406 /* Per-thread SSL context */
408 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
409 extern pthread_key_t ThreadSSL;
412 struct serv_info serv_info;
413 extern char floorlist[128][SIZ];
414 extern char *axdefs[];
415 extern char *ctdlhost, *ctdlport;
416 extern char *server_cookie;
418 extern int setup_wizard;
419 extern char wizard_filename[];
420 extern time_t if_modified_since;
421 extern int follow_xff;
422 void do_setup_wizard(void);
424 void stuff_to_cookie(char *cookie, int session,
425 char *user, char *pass, char *room);
426 void cookie_to_stuff(char *cookie, int *session,
427 char *user, size_t user_len,
428 char *pass, size_t pass_len,
429 char *room, size_t room_len);
430 void locate_host(char *, int);
431 void become_logged_in(char *, char *, char *);
433 void display_login(char *mesg);
434 void do_welcome(void);
435 void do_logout(void);
436 void display_main_menu(void);
437 void display_aide_menu(void);
438 void display_advanced_menu(void);
439 void slrp_highest(void);
442 void get_serv_info(char *, char *);
443 int uds_connectsock(char *);
444 int tcp_connectsock(char *, char *);
445 void serv_getln(char *strbuf, int bufsize);
446 void serv_puts(char *string);
448 void who_inner_div(void);
449 void fmout(char *align);
450 void pullquote_fmout(void);
451 void wDumpContent(int);
452 void serv_printf(const char *format,...);
453 char *bstr(char *key);
454 void urlesc(char *, char *);
455 void urlescputs(char *);
456 void jsesc(char *, char *);
457 void jsescputs(char *);
458 void output_headers( int do_httpheaders,
464 void wprintf(const char *format,...);
465 void output_static(char *what);
466 void stresc(char *target, char *strbuf, int nbsp, int nolinebreaks);
467 void escputs(char *strbuf);
469 void escputs1(char *strbuf, int nbsp, int nolinebreaks);
470 void msgesc(char *target, char *strbuf);
471 void msgescputs(char *strbuf);
472 int extract_int(const char *source, int parmnum);
473 long extract_long(const char *source, int parmnum);
474 void stripout(char *str, char leftboundary, char rightboundary);
475 void dump_vars(void);
476 void embed_main_menu(void);
477 void serv_read(char *buf, int bytes);
478 int haschar(char *, char);
479 void readloop(char *oper);
480 void read_message(long msgnum, int printable_view, char *section);
481 void embed_message(char *msgnum_as_string);
482 void print_message(char *msgnum_as_string);
483 void display_headers(char *msgnum_as_string);
484 void text_to_server(char *ptr, int convert_to_html);
485 void display_enter(void);
486 void post_message(void);
487 void confirm_delete_msg(void);
488 void delete_msg(void);
489 void confirm_move_msg(void);
493 void display_page(void);
494 void page_user(void);
496 void display_private(char *rname, int req_pass);
497 void goto_private(void);
498 void zapped_list(void);
499 void display_zap(void);
501 void display_success(char *);
502 void authorization_required(const char *message);
503 void display_entroom(void);
505 void display_editroom(void);
508 void display_whok(void);
509 void do_invt_kick(void);
510 void server_to_text(void);
511 void save_edit(char *description, char *enter_cmd, int regoto);
512 void display_edit(char *description, char *check_cmd,
513 char *read_cmd, char *save_cmd, int with_room_banner);
514 int gotoroom(char *gname);
515 void confirm_delete_room(void);
516 void delete_room(void);
518 void display_graphics_upload(char *, char *, char *);
519 void do_graphics_upload(char *upl_cmd);
520 void serv_read(char *buf, int bytes);
521 void serv_gets(char *strbuf);
522 void serv_write(char *buf, int nbytes);
523 void serv_puts(char *string);
524 void serv_printf(const char *format,...);
525 void load_floorlist(void);
526 void display_reg(int);
527 void display_changepw(void);
529 void display_edit_node(void);
530 void edit_node(void);
531 void display_netconf(void);
532 void display_confirm_delete_node(void);
533 void delete_node(void);
534 void display_add_node(void);
536 void terminate_session(void);
538 void display_siteconfig(void);
539 void siteconfig(void);
540 void display_generic(void);
541 void do_generic(void);
542 void ajax_servcmd(void);
543 void display_menubar(int);
544 void smart_goto(char *);
545 void worker_entry(void);
546 void session_loop(struct httprequest *);
547 void fmt_date(char *buf, time_t thetime, int brief);
548 void fmt_time(char *buf, time_t thetime);
549 void httpdate(char *buf, time_t thetime);
550 time_t httpdate_to_timestamp(const char *buf);
551 void end_webcit_session(void);
552 void page_popup(void);
553 void chat_recv(void);
554 void chat_send(void);
555 void http_redirect(char *);
556 void clear_local_substs(void);
557 void svprintf(char *keyname, int keytype, const char *format,...);
558 void svcallback(char *keyname, void (*fcn_ptr)() );
559 void do_template(void *templatename);
560 int lingering_close(int fd);
561 char *memreadline(char *start, char *buf, int maxlen);
562 int num_tokens (char *source, char tok);
563 void extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
564 void remove_token(char *source, int parmnum, char separator);
565 char *load_mimepart(long msgnum, char *partnum);
566 int pattern2(char *search, char *patn);
567 void do_edit_vcard(long, char *, char *);
568 void edit_vcard(void);
569 void submit_vcard(void);
570 void striplt(char *);
571 void select_user_to_edit(char *message, char *preselect);
572 void delete_user(char *);
573 void display_edituser(char *who, int is_new);
574 void create_user(void);
576 void do_change_view(int);
577 void change_view(void);
579 void load_preferences(void);
580 void save_preferences(void);
581 void get_preference(char *key, char *value, size_t value_len);
582 void set_preference(char *key, char *value, int save_to_server);
584 int is_msg_in_mset(char *mset, long msgnum);
585 char *safestrncpy(char *dest, const char *src, size_t n);
586 void display_addressbook(long msgnum, char alpha);
587 void offer_start_page(void);
588 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext);
589 void change_start_page(void);
590 void output_html(char *, int);
591 void display_floorconfig(char *);
592 void delete_floor(void);
593 void create_floor(void);
594 void rename_floor(void);
595 void do_listsub(void);
596 void toggle_self_service(void);
598 void summary_inner_div(void);
599 ssize_t write(int fd, const void *buf, size_t count);
600 void cal_process_attachment(char *part_source, long msgnum, char *cal_partnum);
601 void display_calendar(long msgnum);
602 void display_task(long msgnum);
603 void display_note(long msgnum);
604 void updatenote(void);
605 void do_calendar_view(void);
606 void do_tasks_view(void);
607 void free_calendar_buffer(void);
608 void calendar_summary_view(void);
609 int load_msg_ptrs(char *servcmd, int with_headers);
610 void CtdlEncodeBase64(char *dest, const char *source, size_t sourcelen);
611 int CtdlDecodeBase64(char *dest, const char *source, size_t length);
612 void free_attachments(struct wcsession *sess);
613 void set_room_policy(void);
614 void display_inetconf(void);
615 void save_inetconf(void);
616 void generate_uuid(char *);
617 void CtdlMakeTempFileName(char *, int);
618 void display_preferences(void);
619 void set_preferences(void);
620 void recp_autocomplete(char *);
621 void begin_ajax_response(void);
622 void end_ajax_response(void);
623 void initialize_viewdefs(void);
624 void initialize_axdefs(void);
625 void list_all_rooms_by_floor(char *viewpref);
627 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
628 void display_edit_task(void);
629 void save_task(void);
630 void display_edit_event(void);
631 void save_event(void);
632 void display_icaltimetype_as_webform(struct icaltimetype *, char *);
633 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
634 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
635 void display_edit_individual_event(icalcomponent *supplied_vtodo, long msgnum);
636 void save_individual_event(icalcomponent *supplied_vtodo, long msgnum);
637 void respond_to_request(void);
638 void handle_rsvp(void);
639 void ical_dezonify(icalcomponent *cal);
640 void partstat_as_string(char *buf, icalproperty *attendee);
641 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
642 void check_attendee_availability(icalcomponent *supplied_vevent);
643 void do_freebusy(char *req);
647 void initialize_locales(void);
650 extern char *months[];
652 void read_server_binary(char *buffer, size_t total_len);
653 char *read_server_text(void);
654 int goto_config_room(void);
655 long locate_user_vcard(char *username, long usernum);
656 void sleeeeeeeeeep(int);
657 void http_transmit_thing(char *thing, size_t length, char *content_type,
659 void unescape_input(char *buf);
660 void do_iconbar(void);
661 void do_iconbar_roomlist(void);
662 void do_selected_iconbar(void);
663 void display_customize_iconbar(void);
664 void commit_iconbar(void);
665 int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen);
666 void spawn_another_worker_thread(void);
667 void display_rss(char *roomname, char *request_method);
668 void set_floordiv_expanded(char *which_floordiv);
669 void offer_languages(void);
670 void set_selected_language(char *);
671 void go_selected_language(void);
672 void stop_selected_language(void);
673 void httplang_to_locale(char *LocaleString);
674 void tabbed_dialog(int num_tabs, char *tabnames[]);
675 void begin_tab(int tabnum, int num_tabs);
676 void end_tab(int tabnum, int num_tabs);
677 void str_wiki_index(char *s);
678 void display_wiki_page(void);
680 void embed_room_banner(char *, int);
682 /* navbar types that can be passed to embed_room_banner */
692 void ssl_lock(int mode, int n, const char *file, int line);
693 int starttls(int sock);
694 extern SSL_CTX *ssl_ctx;
695 int client_read_ssl(char *buf, int bytes, int timeout);
696 void client_write_ssl(char *buf, int nbytes);
701 int ZEXPORT compress_gzip(Bytef * dest, uLongf * destLen,
702 const Bytef * source, uLong sourceLen, int level);
706 void utf8ify_rfc822_string(char *buf);
709 void begin_burst(void);
710 void end_burst(void);
712 extern char *ascmonths[]; /**< Short (three letter) month names */
713 extern char *months[]; /**< Long (full) month names */
714 extern char *hourname[]; /**< Names of hours (12am, 1am, etc.) */
715 extern char *wdays[]; /**< Days of the week */
717 void initialize_months_and_days(void);
718 void http_datestring(char *buf, size_t n, time_t xtime);
721 /* Views (from citadel.h) */
722 #define VIEW_BBS 0 /* Traditional Citadel BBS view */
723 #define VIEW_MAILBOX 1 /* Mailbox summary */
724 #define VIEW_ADDRESSBOOK 2 /* Address book view */
725 #define VIEW_CALENDAR 3 /* Calendar view */
726 #define VIEW_TASKS 4 /* Tasks view */
727 #define VIEW_NOTES 5 /* Notes view */
728 #define VIEW_WIKI 6 /* Wiki view */
731 /* These should be empty, but we have them for testing */
732 #define DEFAULT_HTTPAUTH_USER ""
733 #define DEFAULT_HTTPAUTH_PASS ""