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
73 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
78 /* Work around RedHat's b0rken OpenSSL includes */
79 #define OPENSSL_NO_KRB5
80 #include <openssl/ssl.h>
81 #include <openssl/err.h>
82 #include <openssl/rand.h>
85 #define CALENDAR_ROOM_NAME "Calendar"
86 #define PRODID "-//Citadel//NONSGML Citadel Calendar//EN"
88 #define SIZ 4096 /* generic buffer size */
90 #define TRACE fprintf(stderr, "Checkpoint: %s, %d\n", __FILE__, __LINE__)
92 #define SLEEPING 180 /* TCP connection timeout */
93 #define WEBCIT_TIMEOUT 900 /* WebCit session timeout */
94 #define PORT_NUM 2000 /* port number to listen on */
95 #define SERVER "WebCit v6.40" /* who's in da house */
96 #define DEVELOPER_ID 0
98 #define CLIENT_VERSION 640 /* This version of WebCit */
99 #define MINIMUM_CIT_VERSION 661 /* min required Citadel ver. */
100 #define DEFAULT_HOST "localhost" /* Default Citadel server */
101 #define DEFAULT_PORT "504"
102 #define LB (1) /* Internal escape chars */
105 #define TARGET "webcit01" /* Target for inline URL's */
106 #define HOUSEKEEPING 15 /* Housekeeping frequency */
107 #define MIN_WORKER_THREADS 5
108 #define MAX_WORKER_THREADS 250
109 #define LISTEN_QUEUE_LENGTH 100 /* listen() backlog queue */
111 #define USERCONFIGROOM "My Citadel Config"
112 #define DEFAULT_MAXMSGS 20
116 * Room flags (from Citadel)
120 #define QR_PERMANENT 1 /* Room does not purge */
121 #define QR_INUSE 2 /* Set if in use, clear if avail */
122 #define QR_PRIVATE 4 /* Set for any type of private room */
123 #define QR_PASSWORDED 8 /* Set if there's a password too */
124 #define QR_GUESSNAME 16 /* Set if it's a guessname room */
125 #define QR_DIRECTORY 32 /* Directory room */
126 #define QR_UPLOAD 64 /* Allowed to upload */
127 #define QR_DOWNLOAD 128 /* Allowed to download */
128 #define QR_VISDIR 256 /* Visible directory */
129 #define QR_ANONONLY 512 /* Anonymous-Only room */
130 #define QR_ANONOPT 1024 /* Anonymous-Option room */
131 #define QR_NETWORK 2048 /* Shared network room */
132 #define QR_PREFONLY 4096 /* Preferred status needed to enter */
133 #define QR_READONLY 8192 /* Aide status required to post */
134 #define QR_MAILBOX 16384 /* Set if this is a private mailbox */
139 #define QR2_SYSTEM 1 /* System room; hide by default */
140 #define QR2_SELFLIST 2 /* Self-service mailing list mgmt */
144 #define UA_GOTOALLOWED 4
145 #define UA_HASNEWMSGS 8
150 * User flags (from Citadel)
152 #define US_NEEDVALID 1 /* User needs to be validated */
153 #define US_PERM 4 /* Permanent user */
154 #define US_LASTOLD 16 /* Print last old message with new */
155 #define US_EXPERT 32 /* Experienced user */
156 #define US_UNLISTED 64 /* Unlisted userlog entry */
157 #define US_NOPROMPT 128 /* Don't prompt after each message */
158 #define US_PROMPTCTL 256 /* <N>ext & <S>top work at prompt */
159 #define US_DISAPPEAR 512 /* Use "disappearing msg prompts" */
160 #define US_REGIS 1024 /* Registered user */
161 #define US_PAGINATOR 2048 /* Pause after each screen of text */
162 #define US_INTERNET 4096 /* Internet mail privileges */
163 #define US_FLOORS 8192 /* User wants to see floors */
164 #define US_COLOR 16384 /* User wants ANSI color support */
165 #define US_USER_SET (US_LASTOLD | US_EXPERT | US_UNLISTED | \
166 US_NOPROMPT | US_DISAPPEAR | US_PAGINATOR | \
167 US_FLOORS | US_COLOR | US_PROMPTCTL )
173 struct httprequest *next;
178 struct urlcontent *next;
185 char serv_nodename[32];
186 char serv_humannode[64];
188 char serv_software[64];
190 char serv_bbs_city[64];
191 char serv_sysadm[64];
192 char serv_moreprompt[SIZ];
194 int serv_supports_ldap;
200 * This struct holds a list of rooms for <G>oto operations.
204 char march_name[128];
210 * This struct holds a list of rooms for client display.
214 struct roomlisting *lnext;
215 struct roomlisting *rnext;
225 * Dynamic content for variable substitution in templates
228 struct wcsubst *next;
232 void (*wcs_function)(void);
236 * Values for wcs_type
245 struct wc_attachment {
246 struct wc_attachment *next;
248 char content_type[SIZ];
253 struct message_summary {
263 /* Data structure for roomlist-to-folderlist conversion */
275 * One of these is kept for each active Citadel session.
276 * HTTP transactions are bound to one at a time.
279 struct wcsession *next; /* Linked list */
280 int wc_session; /* WebCit session ID */
281 char wc_username[128];
282 char wc_password[128];
283 char wc_roomname[256];
300 char upload_filename[PATH_MAX];
301 char upload_content_type[256];
303 int remember_new_mail;
304 int need_regi; /* This user needs to register. */
305 int need_vali; /* New users require validation. */
306 char cs_inet_email[256]; /* User's preferred Internet addr. */
307 pthread_mutex_t SessionMutex; /* mutex for exclusive access */
308 time_t lastreq; /* Timestamp of most recent HTTP */
309 int killthis; /* Nonzero == purge this session */
310 struct march *march; /* march mode room list */
311 char reply_to[512]; /* reply-to address */
313 long msgarr[10000]; /* for read operations */
315 struct message_summary *summ;
317 int is_wap; /* Client is a WAP gateway */
318 struct urlcontent *urlstrings;
319 int HaveInstantMessages; /* Nonzero if incoming msgs exist */
320 struct wcsubst *vars;
321 char this_page[512]; /* address of current page */
322 char http_host[512]; /* HTTP Host: header */
324 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
326 icalcomponent *cal; /* cal items for display */
327 long cal_msgnum; /* cal msgids for display */
331 struct wc_attachment *first_attachment;
332 char ImportantMessage[SIZ];
333 char last_chat_user[256];
334 int ctdl_pid; /* Session ID on the Citadel server */
335 char httpauth_user[256]; /* only for GroupDAV sessions */
336 char httpauth_pass[256]; /* only for GroupDAV sessions */
340 int gzip_ok; /* Nonzero if Accept-encoding: gzip */
341 int is_mailbox; /* the current room is a private mailbox */
343 struct folder *cache_fold; /* cache the iconbar room list */
344 int cache_max_folders;
345 int cache_num_floors;
346 time_t cache_timestamp;
348 int current_iconbar; /* What's currently in the iconbar? */
351 /* values for WC->current_iconbar */
353 current_iconbar_menu,
354 current_iconbar_roomlist
358 #define num_parms(source) num_tokens(source, '|')
360 /* Per-session data */
361 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
362 extern pthread_key_t MyConKey;
364 /* Per-thread SSL context */
366 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
367 extern pthread_key_t ThreadSSL;
370 struct serv_info serv_info;
371 extern char floorlist[128][SIZ];
372 extern char *axdefs[];
373 extern char *ctdlhost, *ctdlport;
374 extern char *server_cookie;
376 extern int setup_wizard;
377 extern char wizard_filename[];
378 extern time_t if_modified_since;
379 extern int follow_xff;
380 void do_setup_wizard(void);
382 void stuff_to_cookie(char *cookie, int session,
383 char *user, char *pass, char *room);
384 void cookie_to_stuff(char *cookie, int *session,
385 char *user, size_t user_len,
386 char *pass, size_t pass_len,
387 char *room, size_t room_len);
388 void locate_host(char *, int);
389 void become_logged_in(char *, char *, char *);
391 void display_login(char *mesg);
392 void do_welcome(void);
393 void do_logout(void);
394 void display_main_menu(void);
395 void display_aide_menu(void);
396 void display_advanced_menu(void);
397 void slrp_highest(void);
400 void get_serv_info(char *, char *);
401 int uds_connectsock(char *);
402 int tcp_connectsock(char *, char *);
403 void serv_getln(char *strbuf, int bufsize);
404 void serv_puts(char *string);
406 void who_inner_div(void);
407 void fmout(char *align);
408 void pullquote_fmout(void);
409 void wDumpContent(int);
410 void serv_printf(const char *format,...);
411 char *bstr(char *key);
412 void urlesc(char *, char *);
413 void urlescputs(char *);
414 void jsesc(char *, char *);
415 void jsescputs(char *);
416 void output_headers( int do_httpheaders,
422 void wprintf(const char *format,...);
423 void output_static(char *what);
424 void stresc(char *target, char *strbuf, int nbsp, int nolinebreaks);
425 void escputs(char *strbuf);
427 void escputs1(char *strbuf, int nbsp, int nolinebreaks);
428 void msgesc(char *target, char *strbuf);
429 void msgescputs(char *strbuf);
430 int extract_int(const char *source, int parmnum);
431 long extract_long(const char *source, int parmnum);
432 void stripout(char *str, char leftboundary, char rightboundary);
433 void dump_vars(void);
434 void embed_main_menu(void);
435 void serv_read(char *buf, int bytes);
436 int haschar(char *, char);
437 void readloop(char *oper);
438 void embed_message(char *msgnum_as_string);
439 void print_message(char *msgnum_as_string);
440 void text_to_server(char *ptr, int convert_to_html);
441 void display_enter(void);
442 void post_message(void);
443 void confirm_delete_msg(void);
444 void delete_msg(void);
445 void confirm_move_msg(void);
449 void display_page(void);
450 void page_user(void);
452 void display_private(char *rname, int req_pass);
453 void goto_private(void);
454 void zapped_list(void);
455 void display_zap(void);
457 void display_success(char *);
458 void authorization_required(const char *message);
459 void display_entroom(void);
461 void display_editroom(void);
464 void display_whok(void);
465 void do_invt_kick(void);
466 void server_to_text(void);
467 void save_edit(char *description, char *enter_cmd, int regoto);
468 void display_edit(char *description, char *check_cmd,
469 char *read_cmd, char *save_cmd, int with_room_banner);
470 int gotoroom(char *gname);
471 void confirm_delete_room(void);
472 void delete_room(void);
474 void display_graphics_upload(char *, char *, char *);
475 void do_graphics_upload(char *upl_cmd);
476 void serv_read(char *buf, int bytes);
477 void serv_gets(char *strbuf);
478 void serv_write(char *buf, int nbytes);
479 void serv_puts(char *string);
480 void serv_printf(const char *format,...);
481 void load_floorlist(void);
482 void display_reg(int);
483 void display_changepw(void);
485 void display_edit_node(void);
486 void edit_node(void);
487 void display_netconf(void);
488 void display_confirm_delete_node(void);
489 void delete_node(void);
490 void display_add_node(void);
492 void terminate_session(void);
494 void display_siteconfig(void);
495 void siteconfig(void);
496 void display_generic(void);
497 void do_generic(void);
498 void ajax_servcmd(void);
499 void display_menubar(int);
500 void smart_goto(char *);
501 void worker_entry(void);
502 void session_loop(struct httprequest *);
503 void fmt_date(char *buf, time_t thetime, int brief);
504 void fmt_time(char *buf, time_t thetime);
505 void httpdate(char *buf, time_t thetime);
506 time_t httpdate_to_timestamp(const char *buf);
507 void end_webcit_session(void);
508 void page_popup(void);
509 void chat_recv(void);
510 void chat_send(void);
511 void http_redirect(char *);
512 void clear_local_substs(void);
513 void svprintf(char *keyname, int keytype, const char *format,...);
514 void svcallback(char *keyname, void (*fcn_ptr)() );
515 void do_template(void *templatename);
516 int lingering_close(int fd);
517 char *memreadline(char *start, char *buf, int maxlen);
518 int num_tokens (char *source, char tok);
519 void extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
520 void remove_token(char *source, int parmnum, char separator);
521 char *load_mimepart(long msgnum, char *partnum);
522 int pattern2(char *search, char *patn);
523 void do_edit_vcard(long, char *, char *);
524 void edit_vcard(void);
525 void submit_vcard(void);
526 void striplt(char *);
527 void select_user_to_edit(char *message, char *preselect);
528 void delete_user(char *);
529 void display_edituser(char *who, int is_new);
530 void create_user(void);
532 void do_change_view(int);
533 void change_view(void);
535 void load_preferences(void);
536 void save_preferences(void);
537 void get_preference(char *key, char *value, size_t value_len);
538 void set_preference(char *key, char *value, int save_to_server);
540 int is_msg_in_mset(char *mset, long msgnum);
541 char *safestrncpy(char *dest, const char *src, size_t n);
542 void display_addressbook(long msgnum, char alpha);
543 void offer_start_page(void);
544 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext);
545 void change_start_page(void);
546 void output_html(char *);
547 void display_floorconfig(char *);
548 void delete_floor(void);
549 void create_floor(void);
550 void rename_floor(void);
551 void do_listsub(void);
552 void toggle_self_service(void);
554 void summary_inner_div(void);
555 ssize_t write(int fd, const void *buf, size_t count);
556 void cal_process_attachment(char *part_source, long msgnum, char *cal_partnum);
557 void display_calendar(long msgnum);
558 void display_task(long msgnum);
559 void display_note(long msgnum);
560 void do_calendar_view(void);
561 void do_tasks_view(void);
562 void free_calendar_buffer(void);
563 void calendar_summary_view(void);
564 int load_msg_ptrs(char *servcmd, int with_headers);
565 void CtdlEncodeBase64(char *dest, const char *source, size_t sourcelen);
566 int CtdlDecodeBase64(char *dest, const char *source, size_t length);
567 void free_attachments(struct wcsession *sess);
568 void set_room_policy(void);
569 void display_inetconf(void);
570 void save_inetconf(void);
571 void generate_uuid(char *);
572 void CtdlMakeTempFileName(char *, int);
573 void display_preferences(void);
574 void set_preferences(void);
575 void recp_autocomplete(char *);
576 void begin_ajax_response(void);
577 void end_ajax_response(void);
578 void initialize_viewdefs(void);
579 void initialize_axdefs(void);
580 void list_all_rooms_by_floor(char *viewpref);
582 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
583 void display_edit_task(void);
584 void save_task(void);
585 void display_edit_event(void);
586 void save_event(void);
587 void display_icaltimetype_as_webform(struct icaltimetype *, char *);
588 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
589 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
590 void display_edit_individual_event(icalcomponent *supplied_vtodo, long msgnum);
591 void save_individual_event(icalcomponent *supplied_vtodo, long msgnum);
592 void respond_to_request(void);
593 void handle_rsvp(void);
594 void ical_dezonify(icalcomponent *cal);
595 void partstat_as_string(char *buf, icalproperty *attendee);
596 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
597 void check_attendee_availability(icalcomponent *supplied_vevent);
598 void do_freebusy(char *req);
601 extern char *months[];
603 void read_server_binary(char *buffer, size_t total_len);
604 char *read_server_text(void);
605 int goto_config_room(void);
606 long locate_user_vcard(char *username, long usernum);
607 void sleeeeeeeeeep(int);
608 void http_transmit_thing(char *thing, size_t length, char *content_type,
610 void unescape_input(char *buf);
611 void do_iconbar(void);
612 void do_iconbar_roomlist(void);
613 void do_selected_iconbar(void);
614 void display_customize_iconbar(void);
615 void commit_iconbar(void);
616 int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen);
617 void spawn_another_worker_thread(void);
618 void display_rss(char *roomname, char *request_method);
620 void embed_room_banner(char *, int);
621 /* navbar types that can be passed to embed_room_banner */
631 void ssl_lock(int mode, int n, const char *file, int line);
632 int starttls(int sock);
633 extern SSL_CTX *ssl_ctx;
634 int client_read_ssl(char *buf, int bytes, int timeout);
635 void client_write_ssl(char *buf, int nbytes);
640 int ZEXPORT compress_gzip(Bytef * dest, uLongf * destLen,
641 const Bytef * source, uLong sourceLen, int level);
645 void utf8ify_rfc822_string(char *buf);
648 void begin_burst(void);
649 void end_burst(void);
651 extern char *ascmonths[];
652 extern char *hourname[];
653 void http_datestring(char *buf, size_t n, time_t xtime);
655 /* Views (from citadel.h) */
656 #define VIEW_BBS 0 /* Traditional Citadel BBS view */
657 #define VIEW_MAILBOX 1 /* Mailbox summary */
658 #define VIEW_ADDRESSBOOK 2 /* Address book view */
659 #define VIEW_CALENDAR 3 /* Calendar view */
660 #define VIEW_TASKS 4 /* Tasks view */
661 #define VIEW_NOTES 5 /* Notes view */
664 /* These should be empty, but we have them for testing */
665 #define DEFAULT_HTTPAUTH_USER ""
666 #define DEFAULT_HTTPAUTH_PASS ""