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 v6.21" /* who's in da house */
92 #define DEVELOPER_ID 0
94 #define CLIENT_VERSION 621 /* This version of WebCit */
95 #define MINIMUM_CIT_VERSION 655 /* 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 int setup_wizard;
328 extern char wizard_filename[];
329 void do_setup_wizard(void);
331 void stuff_to_cookie(char *cookie, int session,
332 char *user, char *pass, char *room);
333 void cookie_to_stuff(char *cookie, int *session,
334 char *user, size_t user_len,
335 char *pass, size_t pass_len,
336 char *room, size_t room_len);
337 char *bmstrstr(char *text, char *pattern,
338 int (*cmpfunc)(const char *, const char *, size_t) );
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_html(void);
358 void fmout(FILE *fp, char *align);
359 void wDumpContent(int);
360 void serv_printf(const char *format,...);
361 char *bstr(char *key);
362 void urlesc(char *, char *);
363 void urlescputs(char *);
364 void jsesc(char *, char *);
365 void jsescputs(char *);
366 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 display_entroom(void);
410 void display_editroom(void);
413 void display_whok(void);
414 void do_invt_kick(void);
415 void server_to_text(void);
416 void save_edit(char *description, char *enter_cmd, int regoto);
417 void display_edit(char *description, char *check_cmd,
418 char *read_cmd, char *save_cmd, int with_room_banner);
419 void gotoroom(char *gname);
420 void confirm_delete_room(void);
421 void delete_room(void);
423 void display_graphics_upload(char *, char *, char *);
424 void do_graphics_upload(char *upl_cmd);
425 void serv_read(char *buf, int bytes);
426 void serv_gets(char *strbuf);
427 void serv_write(char *buf, int nbytes);
428 void serv_puts(char *string);
429 void serv_printf(const char *format,...);
430 void load_floorlist(void);
431 void display_reg(int);
432 void display_changepw(void);
434 void display_edit_node(void);
435 void edit_node(void);
436 void display_netconf(void);
437 void display_confirm_delete_node(void);
438 void delete_node(void);
439 void display_add_node(void);
441 void terminate_session(void);
443 void display_siteconfig(void);
444 void siteconfig(void);
445 void display_generic(void);
446 void do_generic(void);
447 void display_menubar(int);
448 void smart_goto(char *);
449 void worker_entry(void);
450 void session_loop(struct httprequest *);
451 void fmt_date(char *buf, time_t thetime, int brief);
452 void fmt_time(char *buf, time_t thetime);
453 void httpdate(char *buf, time_t thetime);
454 void end_webcit_session(void);
455 void page_popup(void);
456 void chat_recv(void);
457 void chat_send(void);
458 void http_redirect(char *);
459 void clear_local_substs(void);
460 void svprintf(char *keyname, int keytype, const char *format,...);
461 void svcallback(char *keyname, void (*fcn_ptr)() );
462 void do_template(void *templatename);
463 int lingering_close(int fd);
464 char *memreadline(char *start, char *buf, int maxlen);
465 int num_tokens (char *source, char tok);
466 void extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
467 void remove_token(char *source, int parmnum, char separator);
468 char *load_mimepart(long msgnum, char *partnum);
469 int pattern2(char *search, char *patn);
470 void do_edit_vcard(long, char *, char *);
471 void edit_vcard(void);
472 void submit_vcard(void);
473 void striplt(char *);
474 void select_user_to_edit(char *message, char *preselect);
475 void delete_user(char *);
476 void display_edituser(char *who, int is_new);
477 void create_user(void);
479 void do_change_view(int);
480 void change_view(void);
482 void do_stuff_to_msgs(void);
483 void load_preferences(void);
484 void save_preferences(void);
485 void get_preference(char *key, char *value, size_t value_len);
486 void set_preference(char *key, char *value, int save_to_server);
488 int is_msg_in_mset(char *mset, long msgnum);
489 char *safestrncpy(char *dest, const char *src, size_t n);
490 void display_addressbook(long msgnum, char alpha);
491 void offer_start_page(void);
492 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext);
493 void change_start_page(void);
494 void output_html(char *);
495 void display_floorconfig(char *);
496 void delete_floor(void);
497 void create_floor(void);
498 void rename_floor(void);
499 void do_listsub(void);
500 void toggle_self_service(void);
502 ssize_t write(int fd, const void *buf, size_t count);
503 void cal_process_attachment(char *part_source, long msgnum, char *cal_partnum);
504 void display_calendar(long msgnum);
505 void display_task(long msgnum);
506 void display_note(long msgnum);
507 void do_calendar_view(void);
508 void do_tasks_view(void);
509 void free_calendar_buffer(void);
510 void calendar_summary_view(void);
511 int load_msg_ptrs(char *servcmd, int with_headers);
512 void CtdlEncodeBase64(char *dest, const char *source, size_t sourcelen);
513 int CtdlDecodeBase64(char *dest, const char *source, size_t length);
514 void free_attachments(struct wcsession *sess);
515 void set_room_policy(void);
516 void display_inetconf(void);
517 void save_inetconf(void);
518 void generate_uuid(char *);
519 void display_preferences(void);
520 void set_preferences(void);
522 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
523 void display_edit_task(void);
524 void save_task(void);
525 void display_edit_event(void);
526 void save_event(void);
527 void display_icaltimetype_as_webform(struct icaltimetype *, char *);
528 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
529 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
530 void display_edit_individual_event(icalcomponent *supplied_vtodo, long msgnum);
531 void save_individual_event(icalcomponent *supplied_vtodo, long msgnum);
532 void respond_to_request(void);
533 void handle_rsvp(void);
534 void ical_dezonify(icalcomponent *cal);
535 void partstat_as_string(char *buf, icalproperty *attendee);
536 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
537 void check_attendee_availability(icalcomponent *supplied_vevent);
538 void do_freebusy(char *req);
541 extern char *months[];
543 void read_server_binary(char *buffer, size_t total_len);
544 char *read_server_text(void);
545 int goto_config_room(void);
546 long locate_user_vcard(char *username, long usernum);
547 void sleeeeeeeeeep(int);
548 void http_transmit_thing(char *thing, size_t length, char *content_type,
550 void unescape_input(char *buf);
551 void do_iconbar(void);
552 void display_customize_iconbar(void);
553 void commit_iconbar(void);
554 int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen);
555 void spawn_another_worker_thread(void);
557 void embed_room_banner(char *, int);
558 /* navbar types that can be passed to embed_room_banner */
568 void ssl_lock(int mode, int n, const char *file, int line);
569 int starttls(int sock);
570 extern SSL_CTX *ssl_ctx;
571 int client_read_ssl(char *buf, int bytes, int timeout);
572 void client_write_ssl(char *buf, int nbytes);
577 int ZEXPORT compress_gzip(Bytef * dest, uLongf * destLen,
578 const Bytef * source, uLong sourceLen, int level);
582 void begin_burst(void);
583 void end_burst(void);
585 extern char *ascmonths[];
586 void http_datestring(char *buf, size_t n, time_t xtime);
588 /* Views (from citadel.h) */
589 #define VIEW_BBS 0 /* Traditional Citadel BBS view */
590 #define VIEW_MAILBOX 1 /* Mailbox summary */
591 #define VIEW_ADDRESSBOOK 2 /* Address book view */
592 #define VIEW_CALENDAR 3 /* Calendar view */
593 #define VIEW_TASKS 4 /* Tasks view */
594 #define VIEW_NOTES 5 /* Notes view */
597 /* These should be empty, but we have them for testing */
598 #define DEFAULT_HTTPAUTH_USER ""
599 #define DEFAULT_HTTPAUTH_PASS ""