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>
45 #define _(string) gettext(string)
46 #define P_(singular, plural, number) ngettext(singular, plural, number)
48 #define _(string) (string)
49 #define P_(singular, plural, number) (number == 1 ? singular : plural)
51 #define gettext_noop(string) (string)
52 #define N_(string) gettext_noop(string)
53 /* Mark a string that will be sent to gettext() later. */
57 * Uncomment to dump an HTTP trace to stderr
58 #define HTTP_TRACING 1
72 #define WEBCIT_WITH_CALENDAR_SERVICE 1
76 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
81 /* Work around RedHat's b0rken OpenSSL includes */
82 #define OPENSSL_NO_KRB5
83 #include <openssl/ssl.h>
84 #include <openssl/err.h>
85 #include <openssl/rand.h>
88 #define CALENDAR_ROOM_NAME "Calendar"
89 #define PRODID "-//Citadel//NONSGML Citadel Calendar//EN"
91 #define SIZ 4096 /* generic buffer size */
93 #define TRACE fprintf(stderr, "Checkpoint: %s, %d\n", __FILE__, __LINE__)
95 #define SLEEPING 180 /* TCP connection timeout */
96 #define WEBCIT_TIMEOUT 900 /* WebCit session timeout */
97 #define PORT_NUM 2000 /* port number to listen on */
98 #define SERVER "WebCit v6.21" /* who's in da house */
99 #define DEVELOPER_ID 0
101 #define CLIENT_VERSION 621 /* This version of WebCit */
102 #define MINIMUM_CIT_VERSION 655 /* min required Citadel vers */
103 #define DEFAULT_HOST "localhost" /* Default Citadel server */
104 #define DEFAULT_PORT "504"
105 #define LB (1) /* Internal escape chars */
108 #define TARGET "webcit01" /* Target for inline URL's */
109 #define HOUSEKEEPING 15 /* Housekeeping frequency */
110 #define MIN_WORKER_THREADS 5
111 #define MAX_WORKER_THREADS 250
112 #define LISTEN_QUEUE_LENGTH 100 /* listen() backlog queue */
114 #define USERCONFIGROOM "My Citadel Config"
115 #define DEFAULT_MAXMSGS 20
119 * Room flags (from Citadel)
123 #define QR_PERMANENT 1 /* Room does not purge */
124 #define QR_INUSE 2 /* Set if in use, clear if avail */
125 #define QR_PRIVATE 4 /* Set for any type of private room */
126 #define QR_PASSWORDED 8 /* Set if there's a password too */
127 #define QR_GUESSNAME 16 /* Set if it's a guessname room */
128 #define QR_DIRECTORY 32 /* Directory room */
129 #define QR_UPLOAD 64 /* Allowed to upload */
130 #define QR_DOWNLOAD 128 /* Allowed to download */
131 #define QR_VISDIR 256 /* Visible directory */
132 #define QR_ANONONLY 512 /* Anonymous-Only room */
133 #define QR_ANONOPT 1024 /* Anonymous-Option room */
134 #define QR_NETWORK 2048 /* Shared network room */
135 #define QR_PREFONLY 4096 /* Preferred status needed to enter */
136 #define QR_READONLY 8192 /* Aide status required to post */
137 #define QR_MAILBOX 16384 /* Set if this is a private mailbox */
142 #define QR2_SYSTEM 1 /* System room; hide by default */
143 #define QR2_SELFLIST 2 /* Self-service mailing list mgmt */
147 #define UA_GOTOALLOWED 4
148 #define UA_HASNEWMSGS 8
157 struct httprequest *next;
162 struct urlcontent *next;
169 char serv_nodename[32];
170 char serv_humannode[64];
172 char serv_software[64];
174 char serv_bbs_city[64];
175 char serv_sysadm[64];
176 char serv_moreprompt[SIZ];
178 int serv_supports_ldap;
184 * This struct holds a list of rooms for <G>oto operations.
188 char march_name[128];
194 * This struct holds a list of rooms for client display.
198 struct roomlisting *lnext;
199 struct roomlisting *rnext;
209 * Dynamic content for variable substitution in templates
212 struct wcsubst *next;
216 void (*wcs_function)(void);
220 * Values for wcs_type
229 struct wc_attachment {
230 struct wc_attachment *next;
232 char content_type[SIZ];
237 struct message_summary {
248 * One of these is kept for each active Citadel session.
249 * HTTP transactions are bound to one at a time.
252 struct wcsession *next; /* Linked list */
253 int wc_session; /* WebCit session ID */
254 char wc_username[SIZ];
255 char wc_password[SIZ];
256 char wc_roomname[SIZ];
273 char upload_filename[SIZ];
274 char upload_content_type[SIZ];
276 int remember_new_mail;
277 int need_regi; /* This user needs to register. */
278 int need_vali; /* New users require validation. */
279 char cs_inet_email[SIZ]; /* User's preferred Internet addr. */
280 pthread_mutex_t SessionMutex; /* mutex for exclusive access */
281 time_t lastreq; /* Timestamp of most recent HTTP */
282 int killthis; /* Nonzero == purge this session */
283 struct march *march; /* march mode room list */
284 char reply_to[SIZ]; /* reply-to address */
286 long msgarr[10000]; /* for read operations */
288 struct message_summary *summ;
290 int is_wap; /* Client is a WAP gateway */
291 struct urlcontent *urlstrings;
292 int HaveInstantMessages; /* Nonzero if incoming msgs exist */
293 struct wcsubst *vars;
294 char this_page[SIZ]; /* address of current page */
295 char http_host[SIZ]; /* HTTP Host: header */
297 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
299 icalcomponent *cal; /* cal items for display */
300 long cal_msgnum; /* cal msgids for display */
304 struct wc_attachment *first_attachment;
305 char ImportantMessage[SIZ];
306 char last_chat_user[SIZ];
307 int ctdl_pid; /* Session ID on the Citadel server */
308 char httpauth_user[SIZ]; /* only for GroupDAV sessions */
309 char httpauth_pass[SIZ]; /* only for GroupDAV sessions */
313 int gzip_ok; /* Nonzero if Accept-encoding: gzip */
316 #define num_parms(source) num_tokens(source, '|')
318 /* Per-session data */
319 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
320 extern pthread_key_t MyConKey;
322 /* Per-thread SSL context */
324 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
325 extern pthread_key_t ThreadSSL;
328 struct serv_info serv_info;
329 extern char floorlist[128][SIZ];
330 extern char *axdefs[];
331 extern char *ctdlhost, *ctdlport;
332 extern char *server_cookie;
334 extern int setup_wizard;
335 extern char wizard_filename[];
336 void do_setup_wizard(void);
338 void stuff_to_cookie(char *cookie, int session,
339 char *user, char *pass, char *room);
340 void cookie_to_stuff(char *cookie, int *session,
341 char *user, size_t user_len,
342 char *pass, size_t pass_len,
343 char *room, size_t room_len);
344 char *bmstrstr(char *text, char *pattern,
345 int (*cmpfunc)(const char *, const char *, size_t) );
346 void locate_host(char *, int);
347 void become_logged_in(char *, char *, char *);
349 void display_login(char *mesg);
350 void do_welcome(void);
351 void do_logout(void);
352 void display_main_menu(void);
353 void display_aide_menu(void);
354 void display_advanced_menu(void);
355 void slrp_highest(void);
358 void get_serv_info(char *, char *);
359 int uds_connectsock(char *);
360 int tcp_connectsock(char *, char *);
361 void serv_getln(char *strbuf, int bufsize);
362 void serv_puts(char *string);
364 void who_inner_html(void);
365 void fmout(FILE *fp, char *align);
366 void wDumpContent(int);
367 void serv_printf(const char *format,...);
368 char *bstr(char *key);
369 void urlesc(char *, char *);
370 void urlescputs(char *);
371 void jsesc(char *, char *);
372 void jsescputs(char *);
373 void output_headers( int do_httpheaders,
380 void wprintf(const char *format,...);
381 void output_static(char *what);
382 void stresc(char *target, char *strbuf, int nbsp, int nolinebreaks);
383 void escputs(char *strbuf);
385 void escputs1(char *strbuf, int nbsp, int nolinebreaks);
386 void msgesc(char *target, char *strbuf);
387 void msgescputs(char *strbuf);
388 int extract_int(const char *source, int parmnum);
389 long extract_long(const char *source, int parmnum);
390 void stripout(char *str, char leftboundary, char rightboundary);
391 void dump_vars(void);
392 void embed_main_menu(void);
393 void serv_read(char *buf, int bytes);
394 int haschar(char *, char);
395 void readloop(char *oper);
396 void embed_message(void);
397 void text_to_server(char *ptr, int convert_to_html);
398 void display_enter(void);
399 void post_message(void);
400 void confirm_delete_msg(void);
401 void delete_msg(void);
402 void confirm_move_msg(void);
406 void display_page(void);
407 void page_user(void);
409 void display_private(char *rname, int req_pass);
410 void goto_private(void);
411 void zapped_list(void);
412 void display_zap(void);
414 void display_success(char *);
415 void display_entroom(void);
417 void display_editroom(void);
420 void display_whok(void);
421 void do_invt_kick(void);
422 void server_to_text(void);
423 void save_edit(char *description, char *enter_cmd, int regoto);
424 void display_edit(char *description, char *check_cmd,
425 char *read_cmd, char *save_cmd, int with_room_banner);
426 void gotoroom(char *gname);
427 void confirm_delete_room(void);
428 void delete_room(void);
430 void display_graphics_upload(char *, char *, char *);
431 void do_graphics_upload(char *upl_cmd);
432 void serv_read(char *buf, int bytes);
433 void serv_gets(char *strbuf);
434 void serv_write(char *buf, int nbytes);
435 void serv_puts(char *string);
436 void serv_printf(const char *format,...);
437 void load_floorlist(void);
438 void display_reg(int);
439 void display_changepw(void);
441 void display_edit_node(void);
442 void edit_node(void);
443 void display_netconf(void);
444 void display_confirm_delete_node(void);
445 void delete_node(void);
446 void display_add_node(void);
448 void terminate_session(void);
450 void display_siteconfig(void);
451 void siteconfig(void);
452 void display_generic(void);
453 void do_generic(void);
454 void display_menubar(int);
455 void smart_goto(char *);
456 void worker_entry(void);
457 void session_loop(struct httprequest *);
458 void fmt_date(char *buf, time_t thetime, int brief);
459 void fmt_time(char *buf, time_t thetime);
460 void httpdate(char *buf, time_t thetime);
461 void end_webcit_session(void);
462 void page_popup(void);
463 void chat_recv(void);
464 void chat_send(void);
465 void http_redirect(char *);
466 void clear_local_substs(void);
467 void svprintf(char *keyname, int keytype, const char *format,...);
468 void svcallback(char *keyname, void (*fcn_ptr)() );
469 void do_template(void *templatename);
470 int lingering_close(int fd);
471 char *memreadline(char *start, char *buf, int maxlen);
472 int num_tokens (char *source, char tok);
473 void extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
474 void remove_token(char *source, int parmnum, char separator);
475 char *load_mimepart(long msgnum, char *partnum);
476 int pattern2(char *search, char *patn);
477 void do_edit_vcard(long, char *, char *);
478 void edit_vcard(void);
479 void submit_vcard(void);
480 void striplt(char *);
481 void select_user_to_edit(char *message, char *preselect);
482 void delete_user(char *);
483 void display_edituser(char *who, int is_new);
484 void create_user(void);
486 void do_change_view(int);
487 void change_view(void);
489 void do_stuff_to_msgs(void);
490 void load_preferences(void);
491 void save_preferences(void);
492 void get_preference(char *key, char *value, size_t value_len);
493 void set_preference(char *key, char *value, int save_to_server);
495 int is_msg_in_mset(char *mset, long msgnum);
496 char *safestrncpy(char *dest, const char *src, size_t n);
497 void display_addressbook(long msgnum, char alpha);
498 void offer_start_page(void);
499 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext);
500 void change_start_page(void);
501 void output_html(char *);
502 void display_floorconfig(char *);
503 void delete_floor(void);
504 void create_floor(void);
505 void rename_floor(void);
506 void do_listsub(void);
507 void toggle_self_service(void);
509 ssize_t write(int fd, const void *buf, size_t count);
510 void cal_process_attachment(char *part_source, long msgnum, char *cal_partnum);
511 void display_calendar(long msgnum);
512 void display_task(long msgnum);
513 void display_note(long msgnum);
514 void do_calendar_view(void);
515 void do_tasks_view(void);
516 void free_calendar_buffer(void);
517 void calendar_summary_view(void);
518 int load_msg_ptrs(char *servcmd, int with_headers);
519 void CtdlEncodeBase64(char *dest, const char *source, size_t sourcelen);
520 int CtdlDecodeBase64(char *dest, const char *source, size_t length);
521 void free_attachments(struct wcsession *sess);
522 void set_room_policy(void);
523 void display_inetconf(void);
524 void save_inetconf(void);
525 void generate_uuid(char *);
526 void display_preferences(void);
527 void set_preferences(void);
529 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
530 void display_edit_task(void);
531 void save_task(void);
532 void display_edit_event(void);
533 void save_event(void);
534 void display_icaltimetype_as_webform(struct icaltimetype *, char *);
535 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
536 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
537 void display_edit_individual_event(icalcomponent *supplied_vtodo, long msgnum);
538 void save_individual_event(icalcomponent *supplied_vtodo, long msgnum);
539 void respond_to_request(void);
540 void handle_rsvp(void);
541 void ical_dezonify(icalcomponent *cal);
542 void partstat_as_string(char *buf, icalproperty *attendee);
543 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
544 void check_attendee_availability(icalcomponent *supplied_vevent);
545 void do_freebusy(char *req);
548 extern char *months[];
550 void read_server_binary(char *buffer, size_t total_len);
551 char *read_server_text(void);
552 int goto_config_room(void);
553 long locate_user_vcard(char *username, long usernum);
554 void sleeeeeeeeeep(int);
555 void http_transmit_thing(char *thing, size_t length, char *content_type,
557 void unescape_input(char *buf);
558 void do_iconbar(void);
559 void display_customize_iconbar(void);
560 void commit_iconbar(void);
561 int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen);
562 void spawn_another_worker_thread(void);
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 ""