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 670 /* 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 )
202 struct httprequest *next;
207 struct urlcontent *next;
214 char serv_nodename[32];
215 char serv_humannode[64];
217 char serv_software[64];
219 char serv_bbs_city[64];
220 char serv_sysadm[64];
221 char serv_moreprompt[SIZ];
223 int serv_supports_ldap;
229 * This struct holds a list of rooms for <G>oto operations.
233 char march_name[128];
239 * This struct holds a list of rooms for client display.
243 struct roomlisting *lnext;
244 struct roomlisting *rnext;
254 * Dynamic content for variable substitution in templates
257 struct wcsubst *next;
261 void (*wcs_function)(void);
265 * Values for wcs_type
274 struct wc_attachment {
275 struct wc_attachment *next;
277 char content_type[SIZ];
282 struct message_summary {
292 /* Data structure for roomlist-to-folderlist conversion */
304 * One of these is kept for each active Citadel session.
305 * HTTP transactions are bound to one at a time.
308 struct wcsession *next; /* Linked list */
309 int wc_session; /* WebCit session ID */
310 char wc_username[128];
311 char wc_fullname[128];
312 char wc_password[128];
313 char wc_roomname[256];
331 char upload_filename[PATH_MAX];
332 char upload_content_type[256];
334 int remember_new_mail;
335 int need_regi; /* This user needs to register. */
336 int need_vali; /* New users require validation. */
337 char cs_inet_email[256]; /* User's preferred Internet addr. */
338 pthread_mutex_t SessionMutex; /* mutex for exclusive access */
339 time_t lastreq; /* Timestamp of most recent HTTP */
340 int killthis; /* Nonzero == purge this session */
341 struct march *march; /* march mode room list */
342 char reply_to[512]; /* reply-to address */
343 long msgarr[10000]; /* for read operations */
345 struct message_summary *summ;
346 int is_wap; /* Client is a WAP gateway */
347 struct urlcontent *urlstrings;
348 struct wcsubst *vars;
349 char this_page[512]; /* address of current page */
350 char http_host[512]; /* HTTP Host: header */
352 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
354 icalcomponent *cal; /* cal items for display */
355 long cal_msgnum; /* cal msgids for display */
359 struct wc_attachment *first_attachment;
360 char ImportantMessage[SIZ];
361 char last_chat_user[256];
362 int ctdl_pid; /* Session ID on the Citadel server */
363 char httpauth_user[256]; /* only for GroupDAV sessions */
364 char httpauth_pass[256]; /* only for GroupDAV sessions */
367 int gzip_ok; /* Nonzero if Accept-encoding: gzip */
368 int is_mailbox; /* the current room is a private mailbox */
369 struct folder *cache_fold; /* cache the iconbar room list */
370 int cache_max_folders;
371 int cache_num_floors;
372 time_t cache_timestamp;
373 int current_iconbar; /* What's currently in the iconbar? */
374 char floordiv_expanded[32]; /* which floordiv currently expanded */
375 int selected_language; /* Language selected by user */
376 time_t last_pager_check; /* last time we polled for instant msgs */
379 /* values for WC->current_iconbar */
381 current_iconbar_menu,
382 current_iconbar_roomlist
386 #define num_parms(source) num_tokens(source, '|')
388 /* Per-session data */
389 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
390 extern pthread_key_t MyConKey;
392 /* Per-thread SSL context */
394 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
395 extern pthread_key_t ThreadSSL;
398 struct serv_info serv_info;
399 extern char floorlist[128][SIZ];
400 extern char *axdefs[];
401 extern char *ctdlhost, *ctdlport;
402 extern char *server_cookie;
404 extern int setup_wizard;
405 extern char wizard_filename[];
406 extern time_t if_modified_since;
407 extern int follow_xff;
408 void do_setup_wizard(void);
410 void stuff_to_cookie(char *cookie, int session,
411 char *user, char *pass, char *room);
412 void cookie_to_stuff(char *cookie, int *session,
413 char *user, size_t user_len,
414 char *pass, size_t pass_len,
415 char *room, size_t room_len);
416 void locate_host(char *, int);
417 void become_logged_in(char *, char *, char *);
419 void display_login(char *mesg);
420 void do_welcome(void);
421 void do_logout(void);
422 void display_main_menu(void);
423 void display_aide_menu(void);
424 void display_advanced_menu(void);
425 void slrp_highest(void);
428 void get_serv_info(char *, char *);
429 int uds_connectsock(char *);
430 int tcp_connectsock(char *, char *);
431 void serv_getln(char *strbuf, int bufsize);
432 void serv_puts(char *string);
434 void who_inner_div(void);
435 void fmout(char *align);
436 void pullquote_fmout(void);
437 void wDumpContent(int);
438 void serv_printf(const char *format,...);
439 char *bstr(char *key);
440 void urlesc(char *, char *);
441 void urlescputs(char *);
442 void jsesc(char *, char *);
443 void jsescputs(char *);
444 void output_headers( int do_httpheaders,
450 void wprintf(const char *format,...);
451 void output_static(char *what);
452 void stresc(char *target, char *strbuf, int nbsp, int nolinebreaks);
453 void escputs(char *strbuf);
455 void escputs1(char *strbuf, int nbsp, int nolinebreaks);
456 void msgesc(char *target, char *strbuf);
457 void msgescputs(char *strbuf);
458 int extract_int(const char *source, int parmnum);
459 long extract_long(const char *source, int parmnum);
460 void stripout(char *str, char leftboundary, char rightboundary);
461 void dump_vars(void);
462 void embed_main_menu(void);
463 void serv_read(char *buf, int bytes);
464 int haschar(char *, char);
465 void readloop(char *oper);
466 void embed_message(char *msgnum_as_string);
467 void print_message(char *msgnum_as_string);
468 void display_headers(char *msgnum_as_string);
469 void text_to_server(char *ptr, int convert_to_html);
470 void display_enter(void);
471 void post_message(void);
472 void confirm_delete_msg(void);
473 void delete_msg(void);
474 void confirm_move_msg(void);
478 void display_page(void);
479 void page_user(void);
481 void display_private(char *rname, int req_pass);
482 void goto_private(void);
483 void zapped_list(void);
484 void display_zap(void);
486 void display_success(char *);
487 void authorization_required(const char *message);
488 void display_entroom(void);
490 void display_editroom(void);
493 void display_whok(void);
494 void do_invt_kick(void);
495 void server_to_text(void);
496 void save_edit(char *description, char *enter_cmd, int regoto);
497 void display_edit(char *description, char *check_cmd,
498 char *read_cmd, char *save_cmd, int with_room_banner);
499 int gotoroom(char *gname);
500 void confirm_delete_room(void);
501 void delete_room(void);
503 void display_graphics_upload(char *, char *, char *);
504 void do_graphics_upload(char *upl_cmd);
505 void serv_read(char *buf, int bytes);
506 void serv_gets(char *strbuf);
507 void serv_write(char *buf, int nbytes);
508 void serv_puts(char *string);
509 void serv_printf(const char *format,...);
510 void load_floorlist(void);
511 void display_reg(int);
512 void display_changepw(void);
514 void display_edit_node(void);
515 void edit_node(void);
516 void display_netconf(void);
517 void display_confirm_delete_node(void);
518 void delete_node(void);
519 void display_add_node(void);
521 void terminate_session(void);
523 void display_siteconfig(void);
524 void siteconfig(void);
525 void display_generic(void);
526 void do_generic(void);
527 void ajax_servcmd(void);
528 void display_menubar(int);
529 void smart_goto(char *);
530 void worker_entry(void);
531 void session_loop(struct httprequest *);
532 void fmt_date(char *buf, time_t thetime, int brief);
533 void fmt_time(char *buf, time_t thetime);
534 void httpdate(char *buf, time_t thetime);
535 time_t httpdate_to_timestamp(const char *buf);
536 void end_webcit_session(void);
537 void page_popup(void);
538 void chat_recv(void);
539 void chat_send(void);
540 void http_redirect(char *);
541 void clear_local_substs(void);
542 void svprintf(char *keyname, int keytype, const char *format,...);
543 void svcallback(char *keyname, void (*fcn_ptr)() );
544 void do_template(void *templatename);
545 int lingering_close(int fd);
546 char *memreadline(char *start, char *buf, int maxlen);
547 int num_tokens (char *source, char tok);
548 void extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
549 void remove_token(char *source, int parmnum, char separator);
550 char *load_mimepart(long msgnum, char *partnum);
551 int pattern2(char *search, char *patn);
552 void do_edit_vcard(long, char *, char *);
553 void edit_vcard(void);
554 void submit_vcard(void);
555 void striplt(char *);
556 void select_user_to_edit(char *message, char *preselect);
557 void delete_user(char *);
558 void display_edituser(char *who, int is_new);
559 void create_user(void);
561 void do_change_view(int);
562 void change_view(void);
564 void load_preferences(void);
565 void save_preferences(void);
566 void get_preference(char *key, char *value, size_t value_len);
567 void set_preference(char *key, char *value, int save_to_server);
569 int is_msg_in_mset(char *mset, long msgnum);
570 char *safestrncpy(char *dest, const char *src, size_t n);
571 void display_addressbook(long msgnum, char alpha);
572 void offer_start_page(void);
573 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext);
574 void change_start_page(void);
575 void output_html(char *);
576 void display_floorconfig(char *);
577 void delete_floor(void);
578 void create_floor(void);
579 void rename_floor(void);
580 void do_listsub(void);
581 void toggle_self_service(void);
583 void summary_inner_div(void);
584 ssize_t write(int fd, const void *buf, size_t count);
585 void cal_process_attachment(char *part_source, long msgnum, char *cal_partnum);
586 void display_calendar(long msgnum);
587 void display_task(long msgnum);
588 void display_note(long msgnum);
589 void do_calendar_view(void);
590 void do_tasks_view(void);
591 void free_calendar_buffer(void);
592 void calendar_summary_view(void);
593 int load_msg_ptrs(char *servcmd, int with_headers);
594 void CtdlEncodeBase64(char *dest, const char *source, size_t sourcelen);
595 int CtdlDecodeBase64(char *dest, const char *source, size_t length);
596 void free_attachments(struct wcsession *sess);
597 void set_room_policy(void);
598 void display_inetconf(void);
599 void save_inetconf(void);
600 void generate_uuid(char *);
601 void CtdlMakeTempFileName(char *, int);
602 void display_preferences(void);
603 void set_preferences(void);
604 void recp_autocomplete(char *);
605 void begin_ajax_response(void);
606 void end_ajax_response(void);
607 void initialize_viewdefs(void);
608 void initialize_axdefs(void);
609 void list_all_rooms_by_floor(char *viewpref);
611 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
612 void display_edit_task(void);
613 void save_task(void);
614 void display_edit_event(void);
615 void save_event(void);
616 void display_icaltimetype_as_webform(struct icaltimetype *, char *);
617 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
618 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
619 void display_edit_individual_event(icalcomponent *supplied_vtodo, long msgnum);
620 void save_individual_event(icalcomponent *supplied_vtodo, long msgnum);
621 void respond_to_request(void);
622 void handle_rsvp(void);
623 void ical_dezonify(icalcomponent *cal);
624 void partstat_as_string(char *buf, icalproperty *attendee);
625 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
626 void check_attendee_availability(icalcomponent *supplied_vevent);
627 void do_freebusy(char *req);
631 void initialize_locales(void);
634 extern char *months[];
636 void read_server_binary(char *buffer, size_t total_len);
637 char *read_server_text(void);
638 int goto_config_room(void);
639 long locate_user_vcard(char *username, long usernum);
640 void sleeeeeeeeeep(int);
641 void http_transmit_thing(char *thing, size_t length, char *content_type,
643 void unescape_input(char *buf);
644 void do_iconbar(void);
645 void do_iconbar_roomlist(void);
646 void do_selected_iconbar(void);
647 void display_customize_iconbar(void);
648 void commit_iconbar(void);
649 int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen);
650 void spawn_another_worker_thread(void);
651 void display_rss(char *roomname, char *request_method);
652 void set_floordiv_expanded(char *which_floordiv);
653 void offer_languages(void);
654 void set_selected_language(char *);
655 void go_selected_language(void);
656 void stop_selected_language(void);
657 void httplang_to_locale(char *LocaleString);
658 void tabbed_dialog(int num_tabs, char *tabnames[]);
659 void begin_tab(int tabnum, int num_tabs);
660 void end_tab(int tabnum, int num_tabs);
661 void display_wiki_page(char *roomname, char *pagename);
663 void embed_room_banner(char *, int);
665 /* navbar types that can be passed to embed_room_banner */
675 void ssl_lock(int mode, int n, const char *file, int line);
676 int starttls(int sock);
677 extern SSL_CTX *ssl_ctx;
678 int client_read_ssl(char *buf, int bytes, int timeout);
679 void client_write_ssl(char *buf, int nbytes);
684 int ZEXPORT compress_gzip(Bytef * dest, uLongf * destLen,
685 const Bytef * source, uLong sourceLen, int level);
689 void utf8ify_rfc822_string(char *buf);
692 void begin_burst(void);
693 void end_burst(void);
695 extern char *ascmonths[];
696 extern char *hourname[];
697 void http_datestring(char *buf, size_t n, time_t xtime);
699 /* Views (from citadel.h) */
700 #define VIEW_BBS 0 /* Traditional Citadel BBS view */
701 #define VIEW_MAILBOX 1 /* Mailbox summary */
702 #define VIEW_ADDRESSBOOK 2 /* Address book view */
703 #define VIEW_CALENDAR 3 /* Calendar view */
704 #define VIEW_TASKS 4 /* Tasks view */
705 #define VIEW_NOTES 5 /* Notes view */
706 #define VIEW_WIKI 6 /* Wiki view */
709 /* These should be empty, but we have them for testing */
710 #define DEFAULT_HTTPAUTH_USER ""
711 #define DEFAULT_HTTPAUTH_PASS ""