3 /** we need _GNU_SOURCE for various functions arround the NLS-Stuff */
17 #include <sys/types.h>
19 #include <sys/socket.h>
20 #ifdef HAVE_SYS_TIME_H
27 #include <netinet/in.h>
28 #include <arpa/inet.h>
38 #include <sys/utsname.h>
41 #define INADDR_NONE 0xffffffff
51 extern locale_t wc_locales[];
52 #define _(string) gettext(string)
54 #define _(string) (string)
58 * Uncomment to dump an HTTP trace to stderr
59 #define HTTP_TRACING 1
73 #define WEBCIT_WITH_CALENDAR_SERVICE 1
79 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
80 /* Work around PACKAGE/VERSION defs that are (not supposed to be?) in ical.h */
82 # define CTDL_PACKAGE PACKAGE
86 # define CTDL_VERSION VERSION
94 # define PACKAGE CTDL_PACKAGE
101 # define VERSION CTDL_VERSION
109 /* Work around RedHat's b0rken OpenSSL includes */
110 #define OPENSSL_NO_KRB5
111 #include <openssl/ssl.h>
112 #include <openssl/err.h>
113 #include <openssl/rand.h>
116 #define CALENDAR_ROOM_NAME "Calendar"
117 #define PRODID "-//Citadel//NONSGML Citadel Calendar//EN"
119 #define SIZ 4096 /* generic buffer size */
121 #define TRACE fprintf(stderr, "Checkpoint: %s, %d\n", __FILE__, __LINE__)
123 #define SLEEPING 180 /* TCP connection timeout */
124 #define WEBCIT_TIMEOUT 900 /* WebCit session timeout */
125 #define PORT_NUM 2000 /* port number to listen on */
126 #define SERVER "WebCit v6.71" /* who's in da house */
127 #define DEVELOPER_ID 0
129 #define CLIENT_VERSION 671 /* This version of WebCit */
130 #define MINIMUM_CIT_VERSION 671 /* min required Citadel ver. */
131 #define DEFAULT_HOST "localhost" /* Default Citadel server */
132 #define DEFAULT_PORT "504"
133 #define LB (1) /* Internal escape chars */
136 #define TARGET "webcit01" /* Target for inline URL's */
137 #define HOUSEKEEPING 15 /* Housekeeping frequency */
138 #define MIN_WORKER_THREADS 5
139 #define MAX_WORKER_THREADS 250
140 #define LISTEN_QUEUE_LENGTH 100 /* listen() backlog queue */
142 #define USERCONFIGROOM "My Citadel Config"
143 #define DEFAULT_MAXMSGS 20
147 * Room flags (from Citadel)
151 #define QR_PERMANENT 1 /**< Room does not purge */
152 #define QR_INUSE 2 /**< Set if in use, clear if avail */
153 #define QR_PRIVATE 4 /**< Set for any type of private room */
154 #define QR_PASSWORDED 8 /**< Set if there's a password too */
155 #define QR_GUESSNAME 16 /**< Set if it's a guessname room */
156 #define QR_DIRECTORY 32 /**< Directory room */
157 #define QR_UPLOAD 64 /**< Allowed to upload */
158 #define QR_DOWNLOAD 128 /**< Allowed to download */
159 #define QR_VISDIR 256 /**< Visible directory */
160 #define QR_ANONONLY 512 /**< Anonymous-Only room */
161 #define QR_ANONOPT 1024 /**< Anonymous-Option room */
162 #define QR_NETWORK 2048 /**< Shared network room */
163 #define QR_PREFONLY 4096 /**< Preferred status needed to enter */
164 #define QR_READONLY 8192 /**< Aide status required to post */
165 #define QR_MAILBOX 16384 /**< Set if this is a private mailbox */
170 #define QR2_SYSTEM 1 /**< System room; hide by default */
171 #define QR2_SELFLIST 2 /**< Self-service mailing list mgmt */
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 )
204 /** \brief http request struct ??? */
206 struct httprequest *next; /**< the next request in the list ??? */
207 char line[SIZ]; /**< the request line ??? */
211 * \brief contents of an url???
214 struct urlcontent *next; /**< the next url in the list */
215 char url_key[32]; /**< the url directory part */
216 char *url_data; /**< the url data part ??? */
220 * \brief information about us ???
223 int serv_pid; /**< Our process id */
224 char serv_nodename[32]; /**< How is the name of this citadel */
225 char serv_humannode[64]; /**< How is the human readable name of this citadel */
226 char serv_fqdn[64]; /**< How is our Full quallified Domain Name (uncensored.citadel.org ie.e */
227 char serv_software[64]; /**< What version does our connected citadel server use */
228 int serv_rev_level; /**< Whats the citadel server revision */
229 char serv_bbs_city[64]; /**< Where is the dialin node */
230 char serv_sysadm[64]; /**< Who's to blame on trouble */
231 char serv_moreprompt[SIZ]; /**< Whats the commandline textprompt */
232 int serv_ok_floors; /**< what??? */
233 int serv_supports_ldap; /**< is the server linked against an ldap tree for adresses? */
239 * \brief This struct holds a list of rooms for \\\<G\\\>oto operations.
242 struct march *next; /**< pointer to next in linked list */
243 char march_name[128]; /**< function name ??? */
244 int march_floor; /**< floor number */
245 int march_order; /**< order number???*/
249 * \brief This struct holds a list of rooms for client display.
250 * (oooh, a tree!) (double linked list? )
253 struct roomlisting *lnext;/**< pointer to the next roomlisting */
254 struct roomlisting *rnext;/**< pointer to the previous roomlisting */
255 char rlname[128]; /**< the userprintable roomname */
256 unsigned rlflags; /**< the room flags */
257 int rlfloor; /**< the floor it reside on (citadel server room number???)*/
258 int rlorder; /**< the order to print it???*/
264 * \brief Dynamic content for variable substitution in templates
267 struct wcsubst *next; /**< next item in the list */
268 int wcs_type; /**< which type of ??? */
269 char wcs_key[32]; /**< ??? what?*/
270 void *wcs_value; /**< ???? what?*/
271 void (*wcs_function)(void); /**< funcion hook ???*/
275 * \brief Values for wcs_type
278 WCS_STRING, /**< its a string */
279 WCS_FUNCTION, /**< its a function callback */
280 WCS_SERVCMD /**< its a command to send to the citadel server */
284 * \brief mail attachment ???
286 struct wc_attachment {
287 struct wc_attachment *next;/**< pointer to next in list */
288 size_t length; /**< length of the contenttype */
289 char content_type[SIZ]; /**< the content itself ???*/
290 char filename[SIZ]; /**< the filename hooked to this content ??? */
291 char *data; /**< the data pool; aka this content */
295 * \brief message summary structure. ???
297 struct message_summary {
298 time_t date; /**< its creation date */
299 long msgnum; /**< the message number on the citadel server */
300 char from[128]; /**< the author */
301 char to[128]; /**< the recipient */
302 char subj[128]; /**< the title / subject */
303 int hasattachments; /**< does it have atachments? */
304 int is_new; /**< is it yet read? */
308 * \brief Data structure for roomlist-to-folderlist conversion
311 int floor; /**< which floor is it on */
312 char room[SIZ]; /**< which roomname ??? */
313 char name[SIZ]; /**< which is its own name??? */
314 int hasnewmsgs; /**< are there unread messages inside */
315 int is_mailbox; /**< is it a mailbox? */
316 int selectable; /**< can we select it ??? */
317 int view; /**< whats its default view? inbox/calendar.... */
321 * \brief One of these is kept for each active Citadel session.
322 * HTTP transactions are bound to on e at a time.
325 struct wcsession *next; /**< Linked list */
326 int wc_session; /**< WebCit session ID */
327 char wc_username[128]; /**< ??? todo */
328 char wc_fullname[128]; /**< ??? todo */
329 char wc_password[128]; /**< ??? todo */
330 char wc_roomname[256]; /**< ??? todo */
331 int connected; /**< ??? todo */
332 int logged_in; /**< ??? todo */
333 int axlevel; /**< ??? todo */
334 int is_aide; /**< ??? todo */
335 int is_room_aide; /**< ??? todo */
336 int http_sock; /**< ??? todo */
337 int serv_sock; /**< ??? todo */
338 int chat_sock; /**< ??? todo */
339 unsigned room_flags; /**< ??? todo */
340 int wc_view; /**< ??? todo */
341 int wc_default_view; /**< ??? todo */
342 int wc_is_trash; /**< ??? todo */
343 int wc_floor; /**< ??? todo */
344 char ugname[128]; /**< ??? todo */
345 long uglsn; /**< ??? todo */
346 int upload_length; /**< ??? todo */
347 char *upload; /**< ??? todo */
348 char upload_filename[PATH_MAX]; /**< ??? todo */
349 char upload_content_type[256]; /**< ??? todo */
350 int new_mail; /**< ??? todo */
351 int remember_new_mail; /**< ??? todo */
352 int need_regi; /**< This user needs to register. */
353 int need_vali; /**< New users require validation. */
354 char cs_inet_email[256]; /**< User's preferred Internet addr. */
355 pthread_mutex_t SessionMutex; /**< mutex for exclusive access */
356 time_t lastreq; /**< Timestamp of most recent HTTP */
357 int killthis; /**< Nonzero == purge this session */
358 struct march *march; /**< march mode room list */
359 char reply_to[512]; /**< reply-to address */
360 long msgarr[10000]; /**< for read operations */
361 int num_summ; /**< ??? todo */
362 struct message_summary *summ; /**< ??? todo */
363 int is_wap; /**< Client is a WAP gateway */
364 struct urlcontent *urlstrings; /**< ??? todo */
365 struct wcsubst *vars; /**< ??? todo*/
366 char this_page[512]; /**< address of current page */
367 char http_host[512]; /**< HTTP Host: header */
368 char *preferences; /**< ??? todo */
369 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
370 /** \brief ical???? */
372 icalcomponent *cal; /**< cal items for display */
373 long cal_msgnum; /**< cal msgids for display */
375 int num_cal; /**< ??? todo */
377 struct wc_attachment *first_attachment; /**< ??? todo */
378 char last_chat_user[256]; /**< ??? todo */
379 char ImportantMessage[SIZ]; /**< ??? todo */
380 int ctdl_pid; /**< Session ID on the Citadel server */
381 char httpauth_user[256]; /**< only for GroupDAV sessions */
382 char httpauth_pass[256]; /**< only for GroupDAV sessions */
383 size_t burst_len; /**< ??? todo */
384 char *burst; /**< ??? todo */
385 int gzip_ok; /**< Nonzero if Accept-encoding: gzip */
386 int is_mailbox; /**< the current room is a private mailbox */
387 struct folder *cache_fold; /**< cache the iconbar room list */
388 int cache_max_folders; /**< ??? todo */
389 int cache_num_floors; /**< ??? todo */
390 time_t cache_timestamp; /**< ??? todo */
391 int current_iconbar; /**< What's currently in the iconbar? */
392 char floordiv_expanded[32]; /**< which floordiv currently expanded */
393 int selected_language; /**< Language selected by user */
394 time_t last_pager_check; /**< last time we polled for instant msgs */
397 /** values for WC->current_iconbar */
399 current_iconbar_menu, /**< view the icon menue */
400 current_iconbar_roomlist /**< view the roomtree */
404 #define num_parms(source) num_tokens(source, '|')
406 /* Per-session data */
407 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
408 extern pthread_key_t MyConKey;
410 /* Per-thread SSL context */
412 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
413 extern pthread_key_t ThreadSSL;
416 struct serv_info serv_info;
417 extern char floorlist[128][SIZ];
418 extern char *axdefs[];
419 extern char *ctdlhost, *ctdlport;
420 extern int http_port;
421 extern char *server_cookie;
423 extern int setup_wizard;
424 extern char wizard_filename[];
425 extern time_t if_modified_since;
426 extern int follow_xff;
427 void do_setup_wizard(void);
429 void stuff_to_cookie(char *cookie, int session,
430 char *user, char *pass, char *room);
431 void cookie_to_stuff(char *cookie, int *session,
432 char *user, size_t user_len,
433 char *pass, size_t pass_len,
434 char *room, size_t room_len);
435 void locate_host(char *, int);
436 void become_logged_in(char *, char *, char *);
438 void display_login(char *mesg);
439 void do_welcome(void);
440 void do_logout(void);
441 void display_main_menu(void);
442 void display_aide_menu(void);
443 void display_advanced_menu(void);
444 void slrp_highest(void);
447 void get_serv_info(char *, char *);
448 int uds_connectsock(char *);
449 int tcp_connectsock(char *, char *);
450 void serv_getln(char *strbuf, int bufsize);
451 void serv_puts(char *string);
453 void who_inner_div(void);
454 void fmout(char *align);
455 void pullquote_fmout(void);
456 void wDumpContent(int);
457 void serv_printf(const char *format,...);
458 char *bstr(char *key);
459 void urlesc(char *, char *);
460 void urlescputs(char *);
461 void jsesc(char *, char *);
462 void jsescputs(char *);
463 void output_headers( int do_httpheaders,
469 void wprintf(const char *format,...);
470 void output_static(char *what);
471 void stresc(char *target, char *strbuf, int nbsp, int nolinebreaks);
472 void escputs(char *strbuf);
474 void escputs1(char *strbuf, int nbsp, int nolinebreaks);
475 void msgesc(char *target, char *strbuf);
476 void msgescputs(char *strbuf);
477 int extract_int(const char *source, int parmnum);
478 long extract_long(const char *source, int parmnum);
479 void stripout(char *str, char leftboundary, char rightboundary);
480 void dump_vars(void);
481 void embed_main_menu(void);
482 void serv_read(char *buf, int bytes);
483 int haschar(char *, char);
484 void readloop(char *oper);
485 void read_message(long msgnum, int printable_view, char *section);
486 void embed_message(char *msgnum_as_string);
487 void print_message(char *msgnum_as_string);
488 void display_headers(char *msgnum_as_string);
489 void text_to_server(char *ptr);
490 void text_to_server_qp(char *ptr);
491 void display_enter(void);
492 void post_message(void);
493 void confirm_delete_msg(void);
494 void delete_msg(void);
495 void confirm_move_msg(void);
499 void display_page(void);
500 void page_user(void);
502 void display_private(char *rname, int req_pass);
503 void goto_private(void);
504 void zapped_list(void);
505 void display_zap(void);
507 void display_success(char *);
508 void authorization_required(const char *message);
509 void display_entroom(void);
511 void display_editroom(void);
514 void display_whok(void);
515 void do_invt_kick(void);
516 void server_to_text(void);
517 void save_edit(char *description, char *enter_cmd, int regoto);
518 void display_edit(char *description, char *check_cmd,
519 char *read_cmd, char *save_cmd, int with_room_banner);
520 int gotoroom(char *gname);
521 void confirm_delete_room(void);
522 void delete_room(void);
524 void display_graphics_upload(char *, char *, char *);
525 void do_graphics_upload(char *upl_cmd);
526 void serv_read(char *buf, int bytes);
527 void serv_gets(char *strbuf);
528 void serv_write(char *buf, int nbytes);
529 void serv_puts(char *string);
530 void serv_printf(const char *format,...);
531 void load_floorlist(void);
532 void display_reg(int);
533 void display_changepw(void);
535 void display_edit_node(void);
536 void edit_node(void);
537 void display_netconf(void);
538 void display_confirm_delete_node(void);
539 void delete_node(void);
540 void display_add_node(void);
542 void terminate_session(void);
544 void display_siteconfig(void);
545 void siteconfig(void);
546 void display_generic(void);
547 void do_generic(void);
548 void ajax_servcmd(void);
549 void display_menubar(int);
550 void smart_goto(char *);
551 void worker_entry(void);
552 void session_loop(struct httprequest *);
553 void fmt_date(char *buf, time_t thetime, int brief);
554 void fmt_time(char *buf, time_t thetime);
555 void httpdate(char *buf, time_t thetime);
556 time_t httpdate_to_timestamp(const char *buf);
557 void end_webcit_session(void);
558 void page_popup(void);
559 void chat_recv(void);
560 void chat_send(void);
561 void http_redirect(char *);
562 void clear_local_substs(void);
563 void svprintf(char *keyname, int keytype, const char *format,...);
564 void svcallback(char *keyname, void (*fcn_ptr)() );
565 void do_template(void *templatename);
566 int lingering_close(int fd);
567 char *memreadline(char *start, char *buf, int maxlen);
568 int num_tokens (char *source, char tok);
569 void extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
570 void remove_token(char *source, int parmnum, char separator);
571 char *load_mimepart(long msgnum, char *partnum);
572 int pattern2(char *search, char *patn);
573 void do_edit_vcard(long, char *, char *);
574 void edit_vcard(void);
575 void submit_vcard(void);
576 void striplt(char *);
577 void select_user_to_edit(char *message, char *preselect);
578 void delete_user(char *);
579 void display_edituser(char *who, int is_new);
580 void create_user(void);
582 void do_change_view(int);
583 void change_view(void);
585 void load_preferences(void);
586 void save_preferences(void);
587 void get_preference(char *key, char *value, size_t value_len);
588 void set_preference(char *key, char *value, int save_to_server);
590 int is_msg_in_mset(char *mset, long msgnum);
591 char *safestrncpy(char *dest, const char *src, size_t n);
592 void display_addressbook(long msgnum, char alpha);
593 void offer_start_page(void);
594 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext);
595 void change_start_page(void);
596 void output_html(char *, int);
597 void display_floorconfig(char *);
598 void delete_floor(void);
599 void create_floor(void);
600 void rename_floor(void);
601 void do_listsub(void);
602 void toggle_self_service(void);
604 void summary_inner_div(void);
605 ssize_t write(int fd, const void *buf, size_t count);
606 void cal_process_attachment(char *part_source, long msgnum, char *cal_partnum);
607 void display_calendar(long msgnum);
608 void display_task(long msgnum);
609 void display_note(long msgnum);
610 void updatenote(void);
611 void do_calendar_view(void);
612 void do_tasks_view(void);
613 void free_calendar_buffer(void);
614 void calendar_summary_view(void);
615 int load_msg_ptrs(char *servcmd, int with_headers);
616 void CtdlEncodeBase64(char *dest, const char *source, size_t sourcelen);
617 int CtdlDecodeBase64(char *dest, const char *source, size_t length);
618 void free_attachments(struct wcsession *sess);
619 void free_march_list(struct wcsession *wcf);
620 void set_room_policy(void);
621 void display_inetconf(void);
622 void save_inetconf(void);
623 void generate_uuid(char *);
624 void CtdlMakeTempFileName(char *, int);
625 void display_preferences(void);
626 void set_preferences(void);
627 void recp_autocomplete(char *);
628 void begin_ajax_response(void);
629 void end_ajax_response(void);
630 void initialize_viewdefs(void);
631 void initialize_axdefs(void);
632 void list_all_rooms_by_floor(char *viewpref);
634 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
635 void display_edit_task(void);
636 void save_task(void);
637 void display_edit_event(void);
638 void save_event(void);
639 void display_icaltimetype_as_webform(struct icaltimetype *, char *);
640 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
641 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
642 void display_edit_individual_event(icalcomponent *supplied_vtodo, long msgnum);
643 void save_individual_event(icalcomponent *supplied_vtodo, long msgnum);
644 void respond_to_request(void);
645 void handle_rsvp(void);
646 void ical_dezonify(icalcomponent *cal);
647 void partstat_as_string(char *buf, icalproperty *attendee);
648 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
649 void check_attendee_availability(icalcomponent *supplied_vevent);
650 void do_freebusy(char *req);
654 void initialize_locales(void);
657 extern char *months[];
659 void read_server_binary(char *buffer, size_t total_len);
660 char *read_server_text(void);
661 int goto_config_room(void);
662 long locate_user_vcard(char *username, long usernum);
663 void sleeeeeeeeeep(int);
664 void http_transmit_thing(char *thing, size_t length, char *content_type,
666 void unescape_input(char *buf);
667 void do_iconbar(void);
668 void do_iconbar_roomlist(void);
669 void do_selected_iconbar(void);
670 void display_customize_iconbar(void);
671 void commit_iconbar(void);
672 int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen);
673 void spawn_another_worker_thread(void);
674 void display_rss(char *roomname, char *request_method);
675 void set_floordiv_expanded(char *which_floordiv);
676 void offer_languages(void);
677 void set_selected_language(char *);
678 void go_selected_language(void);
679 void stop_selected_language(void);
680 void httplang_to_locale(char *LocaleString);
681 void tabbed_dialog(int num_tabs, char *tabnames[]);
682 void begin_tab(int tabnum, int num_tabs);
683 void end_tab(int tabnum, int num_tabs);
684 void str_wiki_index(char *s);
685 void display_wiki_page(void);
688 iconv_t ctdl_iconv_open(const char *tocode, const char *fromcode);
691 void embed_room_banner(char *, int);
693 /* navbar types that can be passed to embed_room_banner */
703 void ssl_lock(int mode, int n, const char *file, int line);
704 int starttls(int sock);
705 extern SSL_CTX *ssl_ctx;
706 int client_read_ssl(char *buf, int bytes, int timeout);
707 void client_write_ssl(char *buf, int nbytes);
712 int ZEXPORT compress_gzip(Bytef * dest, uLongf * destLen,
713 const Bytef * source, uLong sourceLen, int level);
717 void utf8ify_rfc822_string(char *buf);
720 void begin_burst(void);
721 void end_burst(void);
723 extern char *ascmonths[]; /**< Short (three letter) month names */
724 extern char *months[]; /**< Long (full) month names */
725 extern char *hourname[]; /**< Names of hours (12am, 1am, etc.) */
726 extern char *wdays[]; /**< Days of the week */
728 void initialize_months_and_days(void);
729 void http_datestring(char *buf, size_t n, time_t xtime);
732 /** Views (from citadel.h) */
733 #define VIEW_BBS 0 /**< Traditional Citadel BBS view */
734 #define VIEW_MAILBOX 1 /**< Mailbox summary */
735 #define VIEW_ADDRESSBOOK 2 /**< Address book view */
736 #define VIEW_CALENDAR 3 /**< Calendar view */
737 #define VIEW_TASKS 4 /**< Tasks view */
738 #define VIEW_NOTES 5 /**< Notes view */
739 #define VIEW_WIKI 6 /**< Wiki view */
740 #define VIEW_CALBRIEF 7 /**< Brief Calendar view */
743 /* These should be empty, but we have them for testing */
744 #define DEFAULT_HTTPAUTH_USER ""
745 #define DEFAULT_HTTPAUTH_PASS ""