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 v6.40" /* who's in da house */
123 #define DEVELOPER_ID 0
125 #define CLIENT_VERSION 640 /* This version of WebCit */
126 #define MINIMUM_CIT_VERSION 663 /* 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_password[128];
312 char wc_roomname[256];
330 char upload_filename[PATH_MAX];
331 char upload_content_type[256];
333 int remember_new_mail;
334 int need_regi; /* This user needs to register. */
335 int need_vali; /* New users require validation. */
336 char cs_inet_email[256]; /* User's preferred Internet addr. */
337 pthread_mutex_t SessionMutex; /* mutex for exclusive access */
338 time_t lastreq; /* Timestamp of most recent HTTP */
339 int killthis; /* Nonzero == purge this session */
340 struct march *march; /* march mode room list */
341 char reply_to[512]; /* reply-to address */
342 long msgarr[10000]; /* for read operations */
344 struct message_summary *summ;
345 int is_wap; /* Client is a WAP gateway */
346 struct urlcontent *urlstrings;
347 struct wcsubst *vars;
348 char this_page[512]; /* address of current page */
349 char http_host[512]; /* HTTP Host: header */
351 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
353 icalcomponent *cal; /* cal items for display */
354 long cal_msgnum; /* cal msgids for display */
358 struct wc_attachment *first_attachment;
359 char ImportantMessage[SIZ];
360 char last_chat_user[256];
361 int ctdl_pid; /* Session ID on the Citadel server */
362 char httpauth_user[256]; /* only for GroupDAV sessions */
363 char httpauth_pass[256]; /* only for GroupDAV sessions */
366 int gzip_ok; /* Nonzero if Accept-encoding: gzip */
367 int is_mailbox; /* the current room is a private mailbox */
368 struct folder *cache_fold; /* cache the iconbar room list */
369 int cache_max_folders;
370 int cache_num_floors;
371 time_t cache_timestamp;
372 int current_iconbar; /* What's currently in the iconbar? */
373 char floordiv_expanded[32]; /* which floordiv currently expanded */
374 int selected_language; /* Language selected by user */
375 time_t last_pager_check; /* last time we polled for instant msgs */
378 /* values for WC->current_iconbar */
380 current_iconbar_menu,
381 current_iconbar_roomlist
385 #define num_parms(source) num_tokens(source, '|')
387 /* Per-session data */
388 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
389 extern pthread_key_t MyConKey;
391 /* Per-thread SSL context */
393 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
394 extern pthread_key_t ThreadSSL;
397 struct serv_info serv_info;
398 extern char floorlist[128][SIZ];
399 extern char *axdefs[];
400 extern char *ctdlhost, *ctdlport;
401 extern char *server_cookie;
403 extern int setup_wizard;
404 extern char wizard_filename[];
405 extern time_t if_modified_since;
406 extern int follow_xff;
407 void do_setup_wizard(void);
409 void stuff_to_cookie(char *cookie, int session,
410 char *user, char *pass, char *room);
411 void cookie_to_stuff(char *cookie, int *session,
412 char *user, size_t user_len,
413 char *pass, size_t pass_len,
414 char *room, size_t room_len);
415 void locate_host(char *, int);
416 void become_logged_in(char *, char *, char *);
418 void display_login(char *mesg);
419 void do_welcome(void);
420 void do_logout(void);
421 void display_main_menu(void);
422 void display_aide_menu(void);
423 void display_advanced_menu(void);
424 void slrp_highest(void);
427 void get_serv_info(char *, char *);
428 int uds_connectsock(char *);
429 int tcp_connectsock(char *, char *);
430 void serv_getln(char *strbuf, int bufsize);
431 void serv_puts(char *string);
433 void who_inner_div(void);
434 void fmout(char *align);
435 void pullquote_fmout(void);
436 void wDumpContent(int);
437 void serv_printf(const char *format,...);
438 char *bstr(char *key);
439 void urlesc(char *, char *);
440 void urlescputs(char *);
441 void jsesc(char *, char *);
442 void jsescputs(char *);
443 void output_headers( int do_httpheaders,
449 void wprintf(const char *format,...);
450 void output_static(char *what);
451 void stresc(char *target, char *strbuf, int nbsp, int nolinebreaks);
452 void escputs(char *strbuf);
454 void escputs1(char *strbuf, int nbsp, int nolinebreaks);
455 void msgesc(char *target, char *strbuf);
456 void msgescputs(char *strbuf);
457 int extract_int(const char *source, int parmnum);
458 long extract_long(const char *source, int parmnum);
459 void stripout(char *str, char leftboundary, char rightboundary);
460 void dump_vars(void);
461 void embed_main_menu(void);
462 void serv_read(char *buf, int bytes);
463 int haschar(char *, char);
464 void readloop(char *oper);
465 void embed_message(char *msgnum_as_string);
466 void print_message(char *msgnum_as_string);
467 void display_headers(char *msgnum_as_string);
468 void text_to_server(char *ptr, int convert_to_html);
469 void display_enter(void);
470 void post_message(void);
471 void confirm_delete_msg(void);
472 void delete_msg(void);
473 void confirm_move_msg(void);
477 void display_page(void);
478 void page_user(void);
480 void display_private(char *rname, int req_pass);
481 void goto_private(void);
482 void zapped_list(void);
483 void display_zap(void);
485 void display_success(char *);
486 void authorization_required(const char *message);
487 void display_entroom(void);
489 void display_editroom(void);
492 void display_whok(void);
493 void do_invt_kick(void);
494 void server_to_text(void);
495 void save_edit(char *description, char *enter_cmd, int regoto);
496 void display_edit(char *description, char *check_cmd,
497 char *read_cmd, char *save_cmd, int with_room_banner);
498 int gotoroom(char *gname);
499 void confirm_delete_room(void);
500 void delete_room(void);
502 void display_graphics_upload(char *, char *, char *);
503 void do_graphics_upload(char *upl_cmd);
504 void serv_read(char *buf, int bytes);
505 void serv_gets(char *strbuf);
506 void serv_write(char *buf, int nbytes);
507 void serv_puts(char *string);
508 void serv_printf(const char *format,...);
509 void load_floorlist(void);
510 void display_reg(int);
511 void display_changepw(void);
513 void display_edit_node(void);
514 void edit_node(void);
515 void display_netconf(void);
516 void display_confirm_delete_node(void);
517 void delete_node(void);
518 void display_add_node(void);
520 void terminate_session(void);
522 void display_siteconfig(void);
523 void siteconfig(void);
524 void display_generic(void);
525 void do_generic(void);
526 void ajax_servcmd(void);
527 void display_menubar(int);
528 void smart_goto(char *);
529 void worker_entry(void);
530 void session_loop(struct httprequest *);
531 void fmt_date(char *buf, time_t thetime, int brief);
532 void fmt_time(char *buf, time_t thetime);
533 void httpdate(char *buf, time_t thetime);
534 time_t httpdate_to_timestamp(const char *buf);
535 void end_webcit_session(void);
536 void page_popup(void);
537 void chat_recv(void);
538 void chat_send(void);
539 void http_redirect(char *);
540 void clear_local_substs(void);
541 void svprintf(char *keyname, int keytype, const char *format,...);
542 void svcallback(char *keyname, void (*fcn_ptr)() );
543 void do_template(void *templatename);
544 int lingering_close(int fd);
545 char *memreadline(char *start, char *buf, int maxlen);
546 int num_tokens (char *source, char tok);
547 void extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
548 void remove_token(char *source, int parmnum, char separator);
549 char *load_mimepart(long msgnum, char *partnum);
550 int pattern2(char *search, char *patn);
551 void do_edit_vcard(long, char *, char *);
552 void edit_vcard(void);
553 void submit_vcard(void);
554 void striplt(char *);
555 void select_user_to_edit(char *message, char *preselect);
556 void delete_user(char *);
557 void display_edituser(char *who, int is_new);
558 void create_user(void);
560 void do_change_view(int);
561 void change_view(void);
563 void load_preferences(void);
564 void save_preferences(void);
565 void get_preference(char *key, char *value, size_t value_len);
566 void set_preference(char *key, char *value, int save_to_server);
568 int is_msg_in_mset(char *mset, long msgnum);
569 char *safestrncpy(char *dest, const char *src, size_t n);
570 void display_addressbook(long msgnum, char alpha);
571 void offer_start_page(void);
572 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext);
573 void change_start_page(void);
574 void output_html(char *);
575 void display_floorconfig(char *);
576 void delete_floor(void);
577 void create_floor(void);
578 void rename_floor(void);
579 void do_listsub(void);
580 void toggle_self_service(void);
582 void summary_inner_div(void);
583 ssize_t write(int fd, const void *buf, size_t count);
584 void cal_process_attachment(char *part_source, long msgnum, char *cal_partnum);
585 void display_calendar(long msgnum);
586 void display_task(long msgnum);
587 void display_note(long msgnum);
588 void do_calendar_view(void);
589 void do_tasks_view(void);
590 void free_calendar_buffer(void);
591 void calendar_summary_view(void);
592 int load_msg_ptrs(char *servcmd, int with_headers);
593 void CtdlEncodeBase64(char *dest, const char *source, size_t sourcelen);
594 int CtdlDecodeBase64(char *dest, const char *source, size_t length);
595 void free_attachments(struct wcsession *sess);
596 void set_room_policy(void);
597 void display_inetconf(void);
598 void save_inetconf(void);
599 void generate_uuid(char *);
600 void CtdlMakeTempFileName(char *, int);
601 void display_preferences(void);
602 void set_preferences(void);
603 void recp_autocomplete(char *);
604 void begin_ajax_response(void);
605 void end_ajax_response(void);
606 void initialize_viewdefs(void);
607 void initialize_axdefs(void);
608 void list_all_rooms_by_floor(char *viewpref);
610 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
611 void display_edit_task(void);
612 void save_task(void);
613 void display_edit_event(void);
614 void save_event(void);
615 void display_icaltimetype_as_webform(struct icaltimetype *, char *);
616 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
617 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
618 void display_edit_individual_event(icalcomponent *supplied_vtodo, long msgnum);
619 void save_individual_event(icalcomponent *supplied_vtodo, long msgnum);
620 void respond_to_request(void);
621 void handle_rsvp(void);
622 void ical_dezonify(icalcomponent *cal);
623 void partstat_as_string(char *buf, icalproperty *attendee);
624 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
625 void check_attendee_availability(icalcomponent *supplied_vevent);
626 void do_freebusy(char *req);
630 void initialize_locales(void);
633 extern char *months[];
635 void read_server_binary(char *buffer, size_t total_len);
636 char *read_server_text(void);
637 int goto_config_room(void);
638 long locate_user_vcard(char *username, long usernum);
639 void sleeeeeeeeeep(int);
640 void http_transmit_thing(char *thing, size_t length, char *content_type,
642 void unescape_input(char *buf);
643 void do_iconbar(void);
644 void do_iconbar_roomlist(void);
645 void do_selected_iconbar(void);
646 void display_customize_iconbar(void);
647 void commit_iconbar(void);
648 int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen);
649 void spawn_another_worker_thread(void);
650 void display_rss(char *roomname, char *request_method);
651 void set_floordiv_expanded(char *which_floordiv);
652 void offer_languages(void);
653 void set_selected_language(char *);
654 void go_selected_language(void);
655 void stop_selected_language(void);
656 void httplang_to_locale(char *LocaleString);
658 void embed_room_banner(char *, int);
659 /* navbar types that can be passed to embed_room_banner */
669 void ssl_lock(int mode, int n, const char *file, int line);
670 int starttls(int sock);
671 extern SSL_CTX *ssl_ctx;
672 int client_read_ssl(char *buf, int bytes, int timeout);
673 void client_write_ssl(char *buf, int nbytes);
678 int ZEXPORT compress_gzip(Bytef * dest, uLongf * destLen,
679 const Bytef * source, uLong sourceLen, int level);
683 void utf8ify_rfc822_string(char *buf);
686 void begin_burst(void);
687 void end_burst(void);
689 extern char *ascmonths[];
690 extern char *hourname[];
691 void http_datestring(char *buf, size_t n, time_t xtime);
693 /* Views (from citadel.h) */
694 #define VIEW_BBS 0 /* Traditional Citadel BBS view */
695 #define VIEW_MAILBOX 1 /* Mailbox summary */
696 #define VIEW_ADDRESSBOOK 2 /* Address book view */
697 #define VIEW_CALENDAR 3 /* Calendar view */
698 #define VIEW_TASKS 4 /* Tasks view */
699 #define VIEW_NOTES 5 /* Notes view */
702 /* These should be empty, but we have them for testing */
703 #define DEFAULT_HTTPAUTH_USER ""
704 #define DEFAULT_HTTPAUTH_PASS ""