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>
44 #define _(string) gettext(string)
46 #define _(string) (string)
50 * Uncomment to dump an HTTP trace to stderr
51 #define HTTP_TRACING 1
65 #define WEBCIT_WITH_CALENDAR_SERVICE 1
69 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
74 /* Work around RedHat's b0rken OpenSSL includes */
75 #define OPENSSL_NO_KRB5
76 #include <openssl/ssl.h>
77 #include <openssl/err.h>
78 #include <openssl/rand.h>
81 #define CALENDAR_ROOM_NAME "Calendar"
82 #define PRODID "-//Citadel//NONSGML Citadel Calendar//EN"
84 #define SIZ 4096 /* generic buffer size */
86 #define TRACE fprintf(stderr, "Checkpoint: %s, %d\n", __FILE__, __LINE__)
88 #define SLEEPING 180 /* TCP connection timeout */
89 #define WEBCIT_TIMEOUT 900 /* WebCit session timeout */
90 #define PORT_NUM 2000 /* port number to listen on */
91 #define SERVER "WebCit v6.26" /* who's in da house */
92 #define DEVELOPER_ID 0
94 #define CLIENT_VERSION 626 /* This version of WebCit */
95 #define MINIMUM_CIT_VERSION 656 /* min required Citadel vers */
96 #define DEFAULT_HOST "localhost" /* Default Citadel server */
97 #define DEFAULT_PORT "504"
98 #define LB (1) /* Internal escape chars */
101 #define TARGET "webcit01" /* Target for inline URL's */
102 #define HOUSEKEEPING 15 /* Housekeeping frequency */
103 #define MIN_WORKER_THREADS 5
104 #define MAX_WORKER_THREADS 250
105 #define LISTEN_QUEUE_LENGTH 100 /* listen() backlog queue */
107 #define USERCONFIGROOM "My Citadel Config"
108 #define DEFAULT_MAXMSGS 20
112 * Room flags (from Citadel)
116 #define QR_PERMANENT 1 /* Room does not purge */
117 #define QR_INUSE 2 /* Set if in use, clear if avail */
118 #define QR_PRIVATE 4 /* Set for any type of private room */
119 #define QR_PASSWORDED 8 /* Set if there's a password too */
120 #define QR_GUESSNAME 16 /* Set if it's a guessname room */
121 #define QR_DIRECTORY 32 /* Directory room */
122 #define QR_UPLOAD 64 /* Allowed to upload */
123 #define QR_DOWNLOAD 128 /* Allowed to download */
124 #define QR_VISDIR 256 /* Visible directory */
125 #define QR_ANONONLY 512 /* Anonymous-Only room */
126 #define QR_ANONOPT 1024 /* Anonymous-Option room */
127 #define QR_NETWORK 2048 /* Shared network room */
128 #define QR_PREFONLY 4096 /* Preferred status needed to enter */
129 #define QR_READONLY 8192 /* Aide status required to post */
130 #define QR_MAILBOX 16384 /* Set if this is a private mailbox */
135 #define QR2_SYSTEM 1 /* System room; hide by default */
136 #define QR2_SELFLIST 2 /* Self-service mailing list mgmt */
140 #define UA_GOTOALLOWED 4
141 #define UA_HASNEWMSGS 8
150 struct httprequest *next;
155 struct urlcontent *next;
162 char serv_nodename[32];
163 char serv_humannode[64];
165 char serv_software[64];
167 char serv_bbs_city[64];
168 char serv_sysadm[64];
169 char serv_moreprompt[SIZ];
171 int serv_supports_ldap;
177 * This struct holds a list of rooms for <G>oto operations.
181 char march_name[128];
187 * This struct holds a list of rooms for client display.
191 struct roomlisting *lnext;
192 struct roomlisting *rnext;
202 * Dynamic content for variable substitution in templates
205 struct wcsubst *next;
209 void (*wcs_function)(void);
213 * Values for wcs_type
222 struct wc_attachment {
223 struct wc_attachment *next;
225 char content_type[SIZ];
230 struct message_summary {
241 * One of these is kept for each active Citadel session.
242 * HTTP transactions are bound to one at a time.
245 struct wcsession *next; /* Linked list */
246 int wc_session; /* WebCit session ID */
247 char wc_username[SIZ];
248 char wc_password[SIZ];
249 char wc_roomname[SIZ];
266 char upload_filename[SIZ];
267 char upload_content_type[SIZ];
269 int remember_new_mail;
270 int need_regi; /* This user needs to register. */
271 int need_vali; /* New users require validation. */
272 char cs_inet_email[SIZ]; /* User's preferred Internet addr. */
273 pthread_mutex_t SessionMutex; /* mutex for exclusive access */
274 time_t lastreq; /* Timestamp of most recent HTTP */
275 int killthis; /* Nonzero == purge this session */
276 struct march *march; /* march mode room list */
277 char reply_to[SIZ]; /* reply-to address */
279 long msgarr[10000]; /* for read operations */
281 struct message_summary *summ;
283 int is_wap; /* Client is a WAP gateway */
284 struct urlcontent *urlstrings;
285 int HaveInstantMessages; /* Nonzero if incoming msgs exist */
286 struct wcsubst *vars;
287 char this_page[SIZ]; /* address of current page */
288 char http_host[SIZ]; /* HTTP Host: header */
290 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
292 icalcomponent *cal; /* cal items for display */
293 long cal_msgnum; /* cal msgids for display */
297 struct wc_attachment *first_attachment;
298 char ImportantMessage[SIZ];
299 char last_chat_user[SIZ];
300 int ctdl_pid; /* Session ID on the Citadel server */
301 char httpauth_user[SIZ]; /* only for GroupDAV sessions */
302 char httpauth_pass[SIZ]; /* only for GroupDAV sessions */
306 int gzip_ok; /* Nonzero if Accept-encoding: gzip */
309 #define num_parms(source) num_tokens(source, '|')
311 /* Per-session data */
312 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
313 extern pthread_key_t MyConKey;
315 /* Per-thread SSL context */
317 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
318 extern pthread_key_t ThreadSSL;
321 struct serv_info serv_info;
322 extern char floorlist[128][SIZ];
323 extern char *axdefs[];
324 extern char *ctdlhost, *ctdlport;
325 extern char *server_cookie;
327 extern char request_method[];
328 extern int setup_wizard;
329 extern char wizard_filename[];
330 extern time_t if_modified_since;
331 void do_setup_wizard(void);
333 void stuff_to_cookie(char *cookie, int session,
334 char *user, char *pass, char *room);
335 void cookie_to_stuff(char *cookie, int *session,
336 char *user, size_t user_len,
337 char *pass, size_t pass_len,
338 char *room, size_t room_len);
339 void locate_host(char *, int);
340 void become_logged_in(char *, char *, char *);
342 void display_login(char *mesg);
343 void do_welcome(void);
344 void do_logout(void);
345 void display_main_menu(void);
346 void display_aide_menu(void);
347 void display_advanced_menu(void);
348 void slrp_highest(void);
351 void get_serv_info(char *, char *);
352 int uds_connectsock(char *);
353 int tcp_connectsock(char *, char *);
354 void serv_getln(char *strbuf, int bufsize);
355 void serv_puts(char *string);
357 void who_inner_div(void);
358 void fmout(char *align);
359 void pullquote_fmout(void);
360 void wDumpContent(int);
361 void serv_printf(const char *format,...);
362 char *bstr(char *key);
363 void urlesc(char *, char *);
364 void urlescputs(char *);
365 void jsesc(char *, char *);
366 void jsescputs(char *);
367 void output_headers( int do_httpheaders,
373 void wprintf(const char *format,...);
374 void output_static(char *what);
375 void stresc(char *target, char *strbuf, int nbsp, int nolinebreaks);
376 void escputs(char *strbuf);
378 void escputs1(char *strbuf, int nbsp, int nolinebreaks);
379 void msgesc(char *target, char *strbuf);
380 void msgescputs(char *strbuf);
381 int extract_int(const char *source, int parmnum);
382 long extract_long(const char *source, int parmnum);
383 void stripout(char *str, char leftboundary, char rightboundary);
384 void dump_vars(void);
385 void embed_main_menu(void);
386 void serv_read(char *buf, int bytes);
387 int haschar(char *, char);
388 void readloop(char *oper);
389 void embed_message(void);
390 void text_to_server(char *ptr, int convert_to_html);
391 void display_enter(void);
392 void post_message(void);
393 void confirm_delete_msg(void);
394 void delete_msg(void);
395 void confirm_move_msg(void);
399 void display_page(void);
400 void page_user(void);
402 void display_private(char *rname, int req_pass);
403 void goto_private(void);
404 void zapped_list(void);
405 void display_zap(void);
407 void display_success(char *);
408 void authorization_required(const char *message);
409 void display_entroom(void);
411 void display_editroom(void);
414 void display_whok(void);
415 void do_invt_kick(void);
416 void server_to_text(void);
417 void save_edit(char *description, char *enter_cmd, int regoto);
418 void display_edit(char *description, char *check_cmd,
419 char *read_cmd, char *save_cmd, int with_room_banner);
420 int gotoroom(char *gname);
421 void confirm_delete_room(void);
422 void delete_room(void);
424 void display_graphics_upload(char *, char *, char *);
425 void do_graphics_upload(char *upl_cmd);
426 void serv_read(char *buf, int bytes);
427 void serv_gets(char *strbuf);
428 void serv_write(char *buf, int nbytes);
429 void serv_puts(char *string);
430 void serv_printf(const char *format,...);
431 void load_floorlist(void);
432 void display_reg(int);
433 void display_changepw(void);
435 void display_edit_node(void);
436 void edit_node(void);
437 void display_netconf(void);
438 void display_confirm_delete_node(void);
439 void delete_node(void);
440 void display_add_node(void);
442 void terminate_session(void);
444 void display_siteconfig(void);
445 void siteconfig(void);
446 void display_generic(void);
447 void do_generic(void);
448 void display_menubar(int);
449 void smart_goto(char *);
450 void worker_entry(void);
451 void session_loop(struct httprequest *);
452 void fmt_date(char *buf, time_t thetime, int brief);
453 void fmt_time(char *buf, time_t thetime);
454 void httpdate(char *buf, time_t thetime);
455 time_t httpdate_to_timestamp(const char *buf);
456 void end_webcit_session(void);
457 void page_popup(void);
458 void chat_recv(void);
459 void chat_send(void);
460 void http_redirect(char *);
461 void clear_local_substs(void);
462 void svprintf(char *keyname, int keytype, const char *format,...);
463 void svcallback(char *keyname, void (*fcn_ptr)() );
464 void do_template(void *templatename);
465 int lingering_close(int fd);
466 char *memreadline(char *start, char *buf, int maxlen);
467 int num_tokens (char *source, char tok);
468 void extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
469 void remove_token(char *source, int parmnum, char separator);
470 char *load_mimepart(long msgnum, char *partnum);
471 int pattern2(char *search, char *patn);
472 void do_edit_vcard(long, char *, char *);
473 void edit_vcard(void);
474 void submit_vcard(void);
475 void striplt(char *);
476 void select_user_to_edit(char *message, char *preselect);
477 void delete_user(char *);
478 void display_edituser(char *who, int is_new);
479 void create_user(void);
481 void do_change_view(int);
482 void change_view(void);
484 void do_stuff_to_msgs(void);
485 void load_preferences(void);
486 void save_preferences(void);
487 void get_preference(char *key, char *value, size_t value_len);
488 void set_preference(char *key, char *value, int save_to_server);
490 int is_msg_in_mset(char *mset, long msgnum);
491 char *safestrncpy(char *dest, const char *src, size_t n);
492 void display_addressbook(long msgnum, char alpha);
493 void offer_start_page(void);
494 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext);
495 void change_start_page(void);
496 void output_html(char *);
497 void display_floorconfig(char *);
498 void delete_floor(void);
499 void create_floor(void);
500 void rename_floor(void);
501 void do_listsub(void);
502 void toggle_self_service(void);
504 void summary_inner_div(void);
505 ssize_t write(int fd, const void *buf, size_t count);
506 void cal_process_attachment(char *part_source, long msgnum, char *cal_partnum);
507 void display_calendar(long msgnum);
508 void display_task(long msgnum);
509 void display_note(long msgnum);
510 void do_calendar_view(void);
511 void do_tasks_view(void);
512 void free_calendar_buffer(void);
513 void calendar_summary_view(void);
514 int load_msg_ptrs(char *servcmd, int with_headers);
515 void CtdlEncodeBase64(char *dest, const char *source, size_t sourcelen);
516 int CtdlDecodeBase64(char *dest, const char *source, size_t length);
517 void free_attachments(struct wcsession *sess);
518 void set_room_policy(void);
519 void display_inetconf(void);
520 void save_inetconf(void);
521 void generate_uuid(char *);
522 void display_preferences(void);
523 void set_preferences(void);
524 void recp_autocomplete(char *);
525 void begin_ajax_response(void);
526 void end_ajax_response(void);
528 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
529 void display_edit_task(void);
530 void save_task(void);
531 void display_edit_event(void);
532 void save_event(void);
533 void display_icaltimetype_as_webform(struct icaltimetype *, char *);
534 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
535 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
536 void display_edit_individual_event(icalcomponent *supplied_vtodo, long msgnum);
537 void save_individual_event(icalcomponent *supplied_vtodo, long msgnum);
538 void respond_to_request(void);
539 void handle_rsvp(void);
540 void ical_dezonify(icalcomponent *cal);
541 void partstat_as_string(char *buf, icalproperty *attendee);
542 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
543 void check_attendee_availability(icalcomponent *supplied_vevent);
544 void do_freebusy(char *req);
547 extern char *months[];
549 void read_server_binary(char *buffer, size_t total_len);
550 char *read_server_text(void);
551 int goto_config_room(void);
552 long locate_user_vcard(char *username, long usernum);
553 void sleeeeeeeeeep(int);
554 void http_transmit_thing(char *thing, size_t length, char *content_type,
556 void unescape_input(char *buf);
557 void do_iconbar(void);
558 void display_customize_iconbar(void);
559 void commit_iconbar(void);
560 int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen);
561 void spawn_another_worker_thread(void);
562 void display_rss(const char *roomname);
564 void embed_room_banner(char *, int);
565 /* navbar types that can be passed to embed_room_banner */
575 void ssl_lock(int mode, int n, const char *file, int line);
576 int starttls(int sock);
577 extern SSL_CTX *ssl_ctx;
578 int client_read_ssl(char *buf, int bytes, int timeout);
579 void client_write_ssl(char *buf, int nbytes);
584 int ZEXPORT compress_gzip(Bytef * dest, uLongf * destLen,
585 const Bytef * source, uLong sourceLen, int level);
589 void begin_burst(void);
590 void end_burst(void);
592 extern char *ascmonths[];
593 void http_datestring(char *buf, size_t n, time_t xtime);
595 /* Views (from citadel.h) */
596 #define VIEW_BBS 0 /* Traditional Citadel BBS view */
597 #define VIEW_MAILBOX 1 /* Mailbox summary */
598 #define VIEW_ADDRESSBOOK 2 /* Address book view */
599 #define VIEW_CALENDAR 3 /* Calendar view */
600 #define VIEW_TASKS 4 /* Tasks view */
601 #define VIEW_NOTES 5 /* Notes view */
604 /* These should be empty, but we have them for testing */
605 #define DEFAULT_HTTPAUTH_USER ""
606 #define DEFAULT_HTTPAUTH_PASS ""