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 */
344 #define num_parms(source) num_tokens(source, '|')
346 /* Per-session data */
347 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
348 extern pthread_key_t MyConKey;
350 /* Per-thread SSL context */
352 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
353 extern pthread_key_t ThreadSSL;
356 struct serv_info serv_info;
357 extern char floorlist[128][SIZ];
358 extern char *axdefs[];
359 extern char *ctdlhost, *ctdlport;
360 extern char *server_cookie;
362 extern int setup_wizard;
363 extern char wizard_filename[];
364 extern time_t if_modified_since;
365 extern int follow_xff;
366 void do_setup_wizard(void);
368 void stuff_to_cookie(char *cookie, int session,
369 char *user, char *pass, char *room);
370 void cookie_to_stuff(char *cookie, int *session,
371 char *user, size_t user_len,
372 char *pass, size_t pass_len,
373 char *room, size_t room_len);
374 void locate_host(char *, int);
375 void become_logged_in(char *, char *, char *);
377 void display_login(char *mesg);
378 void do_welcome(void);
379 void do_logout(void);
380 void display_main_menu(void);
381 void display_aide_menu(void);
382 void display_advanced_menu(void);
383 void slrp_highest(void);
386 void get_serv_info(char *, char *);
387 int uds_connectsock(char *);
388 int tcp_connectsock(char *, char *);
389 void serv_getln(char *strbuf, int bufsize);
390 void serv_puts(char *string);
392 void who_inner_div(void);
393 void fmout(char *align);
394 void pullquote_fmout(void);
395 void wDumpContent(int);
396 void serv_printf(const char *format,...);
397 char *bstr(char *key);
398 void urlesc(char *, char *);
399 void urlescputs(char *);
400 void jsesc(char *, char *);
401 void jsescputs(char *);
402 void output_headers( int do_httpheaders,
408 void wprintf(const char *format,...);
409 void output_static(char *what);
410 void stresc(char *target, char *strbuf, int nbsp, int nolinebreaks);
411 void escputs(char *strbuf);
413 void escputs1(char *strbuf, int nbsp, int nolinebreaks);
414 void msgesc(char *target, char *strbuf);
415 void msgescputs(char *strbuf);
416 int extract_int(const char *source, int parmnum);
417 long extract_long(const char *source, int parmnum);
418 void stripout(char *str, char leftboundary, char rightboundary);
419 void dump_vars(void);
420 void embed_main_menu(void);
421 void serv_read(char *buf, int bytes);
422 int haschar(char *, char);
423 void readloop(char *oper);
424 void embed_message(char *msgnum_as_string);
425 void print_message(char *msgnum_as_string);
426 void text_to_server(char *ptr, int convert_to_html);
427 void display_enter(void);
428 void post_message(void);
429 void confirm_delete_msg(void);
430 void delete_msg(void);
431 void confirm_move_msg(void);
435 void display_page(void);
436 void page_user(void);
438 void display_private(char *rname, int req_pass);
439 void goto_private(void);
440 void zapped_list(void);
441 void display_zap(void);
443 void display_success(char *);
444 void authorization_required(const char *message);
445 void display_entroom(void);
447 void display_editroom(void);
450 void display_whok(void);
451 void do_invt_kick(void);
452 void server_to_text(void);
453 void save_edit(char *description, char *enter_cmd, int regoto);
454 void display_edit(char *description, char *check_cmd,
455 char *read_cmd, char *save_cmd, int with_room_banner);
456 int gotoroom(char *gname);
457 void confirm_delete_room(void);
458 void delete_room(void);
460 void display_graphics_upload(char *, char *, char *);
461 void do_graphics_upload(char *upl_cmd);
462 void serv_read(char *buf, int bytes);
463 void serv_gets(char *strbuf);
464 void serv_write(char *buf, int nbytes);
465 void serv_puts(char *string);
466 void serv_printf(const char *format,...);
467 void load_floorlist(void);
468 void display_reg(int);
469 void display_changepw(void);
471 void display_edit_node(void);
472 void edit_node(void);
473 void display_netconf(void);
474 void display_confirm_delete_node(void);
475 void delete_node(void);
476 void display_add_node(void);
478 void terminate_session(void);
480 void display_siteconfig(void);
481 void siteconfig(void);
482 void display_generic(void);
483 void do_generic(void);
484 void ajax_servcmd(void);
485 void display_menubar(int);
486 void smart_goto(char *);
487 void worker_entry(void);
488 void session_loop(struct httprequest *);
489 void fmt_date(char *buf, time_t thetime, int brief);
490 void fmt_time(char *buf, time_t thetime);
491 void httpdate(char *buf, time_t thetime);
492 time_t httpdate_to_timestamp(const char *buf);
493 void end_webcit_session(void);
494 void page_popup(void);
495 void chat_recv(void);
496 void chat_send(void);
497 void http_redirect(char *);
498 void clear_local_substs(void);
499 void svprintf(char *keyname, int keytype, const char *format,...);
500 void svcallback(char *keyname, void (*fcn_ptr)() );
501 void do_template(void *templatename);
502 int lingering_close(int fd);
503 char *memreadline(char *start, char *buf, int maxlen);
504 int num_tokens (char *source, char tok);
505 void extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
506 void remove_token(char *source, int parmnum, char separator);
507 char *load_mimepart(long msgnum, char *partnum);
508 int pattern2(char *search, char *patn);
509 void do_edit_vcard(long, char *, char *);
510 void edit_vcard(void);
511 void submit_vcard(void);
512 void striplt(char *);
513 void select_user_to_edit(char *message, char *preselect);
514 void delete_user(char *);
515 void display_edituser(char *who, int is_new);
516 void create_user(void);
518 void do_change_view(int);
519 void change_view(void);
521 void load_preferences(void);
522 void save_preferences(void);
523 void get_preference(char *key, char *value, size_t value_len);
524 void set_preference(char *key, char *value, int save_to_server);
526 int is_msg_in_mset(char *mset, long msgnum);
527 char *safestrncpy(char *dest, const char *src, size_t n);
528 void display_addressbook(long msgnum, char alpha);
529 void offer_start_page(void);
530 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext);
531 void change_start_page(void);
532 void output_html(char *);
533 void display_floorconfig(char *);
534 void delete_floor(void);
535 void create_floor(void);
536 void rename_floor(void);
537 void do_listsub(void);
538 void toggle_self_service(void);
540 void summary_inner_div(void);
541 ssize_t write(int fd, const void *buf, size_t count);
542 void cal_process_attachment(char *part_source, long msgnum, char *cal_partnum);
543 void display_calendar(long msgnum);
544 void display_task(long msgnum);
545 void display_note(long msgnum);
546 void do_calendar_view(void);
547 void do_tasks_view(void);
548 void free_calendar_buffer(void);
549 void calendar_summary_view(void);
550 int load_msg_ptrs(char *servcmd, int with_headers);
551 void CtdlEncodeBase64(char *dest, const char *source, size_t sourcelen);
552 int CtdlDecodeBase64(char *dest, const char *source, size_t length);
553 void free_attachments(struct wcsession *sess);
554 void set_room_policy(void);
555 void display_inetconf(void);
556 void save_inetconf(void);
557 void generate_uuid(char *);
558 void CtdlMakeTempFileName(char *, int);
559 void display_preferences(void);
560 void set_preferences(void);
561 void recp_autocomplete(char *);
562 void begin_ajax_response(void);
563 void end_ajax_response(void);
564 void initialize_viewdefs(void);
565 void initialize_axdefs(void);
566 void list_all_rooms_by_floor(char *viewpref);
568 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
569 void display_edit_task(void);
570 void save_task(void);
571 void display_edit_event(void);
572 void save_event(void);
573 void display_icaltimetype_as_webform(struct icaltimetype *, char *);
574 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
575 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
576 void display_edit_individual_event(icalcomponent *supplied_vtodo, long msgnum);
577 void save_individual_event(icalcomponent *supplied_vtodo, long msgnum);
578 void respond_to_request(void);
579 void handle_rsvp(void);
580 void ical_dezonify(icalcomponent *cal);
581 void partstat_as_string(char *buf, icalproperty *attendee);
582 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
583 void check_attendee_availability(icalcomponent *supplied_vevent);
584 void do_freebusy(char *req);
587 extern char *months[];
589 void read_server_binary(char *buffer, size_t total_len);
590 char *read_server_text(void);
591 int goto_config_room(void);
592 long locate_user_vcard(char *username, long usernum);
593 void sleeeeeeeeeep(int);
594 void http_transmit_thing(char *thing, size_t length, char *content_type,
596 void unescape_input(char *buf);
597 void do_iconbar(void);
598 void do_iconbar_roomlist(void);
599 void display_customize_iconbar(void);
600 void commit_iconbar(void);
601 int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen);
602 void spawn_another_worker_thread(void);
603 void display_rss(char *roomname, char *request_method);
605 void embed_room_banner(char *, int);
606 /* navbar types that can be passed to embed_room_banner */
616 void ssl_lock(int mode, int n, const char *file, int line);
617 int starttls(int sock);
618 extern SSL_CTX *ssl_ctx;
619 int client_read_ssl(char *buf, int bytes, int timeout);
620 void client_write_ssl(char *buf, int nbytes);
625 int ZEXPORT compress_gzip(Bytef * dest, uLongf * destLen,
626 const Bytef * source, uLong sourceLen, int level);
630 void utf8ify_rfc822_string(char *buf);
633 void begin_burst(void);
634 void end_burst(void);
636 extern char *ascmonths[];
637 extern char *hourname[];
638 void http_datestring(char *buf, size_t n, time_t xtime);
640 /* Views (from citadel.h) */
641 #define VIEW_BBS 0 /* Traditional Citadel BBS view */
642 #define VIEW_MAILBOX 1 /* Mailbox summary */
643 #define VIEW_ADDRESSBOOK 2 /* Address book view */
644 #define VIEW_CALENDAR 3 /* Calendar view */
645 #define VIEW_TASKS 4 /* Tasks view */
646 #define VIEW_NOTES 5 /* Notes view */
649 /* These should be empty, but we have them for testing */
650 #define DEFAULT_HTTPAUTH_USER ""
651 #define DEFAULT_HTTPAUTH_PASS ""