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 v6.31" /* who's in da house */
96 #define DEVELOPER_ID 0
98 #define CLIENT_VERSION 631 /* 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 {
264 * One of these is kept for each active Citadel session.
265 * HTTP transactions are bound to one at a time.
268 struct wcsession *next; /* Linked list */
269 int wc_session; /* WebCit session ID */
270 char wc_username[SIZ];
271 char wc_password[SIZ];
272 char wc_roomname[SIZ];
289 char upload_filename[SIZ];
290 char upload_content_type[SIZ];
292 int remember_new_mail;
293 int need_regi; /* This user needs to register. */
294 int need_vali; /* New users require validation. */
295 char cs_inet_email[SIZ]; /* User's preferred Internet addr. */
296 pthread_mutex_t SessionMutex; /* mutex for exclusive access */
297 time_t lastreq; /* Timestamp of most recent HTTP */
298 int killthis; /* Nonzero == purge this session */
299 struct march *march; /* march mode room list */
300 char reply_to[SIZ]; /* reply-to address */
302 long msgarr[10000]; /* for read operations */
304 struct message_summary *summ;
306 int is_wap; /* Client is a WAP gateway */
307 struct urlcontent *urlstrings;
308 int HaveInstantMessages; /* Nonzero if incoming msgs exist */
309 struct wcsubst *vars;
310 char this_page[SIZ]; /* address of current page */
311 char http_host[SIZ]; /* HTTP Host: header */
313 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
315 icalcomponent *cal; /* cal items for display */
316 long cal_msgnum; /* cal msgids for display */
320 struct wc_attachment *first_attachment;
321 char ImportantMessage[SIZ];
322 char last_chat_user[SIZ];
323 int ctdl_pid; /* Session ID on the Citadel server */
324 char httpauth_user[SIZ]; /* only for GroupDAV sessions */
325 char httpauth_pass[SIZ]; /* only for GroupDAV sessions */
329 int gzip_ok; /* Nonzero if Accept-encoding: gzip */
330 int is_mailbox; /* the current room is a private mailbox */
333 #define num_parms(source) num_tokens(source, '|')
335 /* Per-session data */
336 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
337 extern pthread_key_t MyConKey;
339 /* Per-thread SSL context */
341 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
342 extern pthread_key_t ThreadSSL;
345 struct serv_info serv_info;
346 extern char floorlist[128][SIZ];
347 extern char *axdefs[];
348 extern char *ctdlhost, *ctdlport;
349 extern char *server_cookie;
351 extern int setup_wizard;
352 extern char wizard_filename[];
353 extern time_t if_modified_since;
354 extern int follow_xff;
355 void do_setup_wizard(void);
357 void stuff_to_cookie(char *cookie, int session,
358 char *user, char *pass, char *room);
359 void cookie_to_stuff(char *cookie, int *session,
360 char *user, size_t user_len,
361 char *pass, size_t pass_len,
362 char *room, size_t room_len);
363 void locate_host(char *, int);
364 void become_logged_in(char *, char *, char *);
366 void display_login(char *mesg);
367 void do_welcome(void);
368 void do_logout(void);
369 void display_main_menu(void);
370 void display_aide_menu(void);
371 void display_advanced_menu(void);
372 void slrp_highest(void);
375 void get_serv_info(char *, char *);
376 int uds_connectsock(char *);
377 int tcp_connectsock(char *, char *);
378 void serv_getln(char *strbuf, int bufsize);
379 void serv_puts(char *string);
381 void who_inner_div(void);
382 void fmout(char *align);
383 void pullquote_fmout(void);
384 void wDumpContent(int);
385 void serv_printf(const char *format,...);
386 char *bstr(char *key);
387 void urlesc(char *, char *);
388 void urlescputs(char *);
389 void jsesc(char *, char *);
390 void jsescputs(char *);
391 void output_headers( int do_httpheaders,
397 void wprintf(const char *format,...);
398 void output_static(char *what);
399 void stresc(char *target, char *strbuf, int nbsp, int nolinebreaks);
400 void escputs(char *strbuf);
402 void escputs1(char *strbuf, int nbsp, int nolinebreaks);
403 void msgesc(char *target, char *strbuf);
404 void msgescputs(char *strbuf);
405 int extract_int(const char *source, int parmnum);
406 long extract_long(const char *source, int parmnum);
407 void stripout(char *str, char leftboundary, char rightboundary);
408 void dump_vars(void);
409 void embed_main_menu(void);
410 void serv_read(char *buf, int bytes);
411 int haschar(char *, char);
412 void readloop(char *oper);
413 void embed_message(char *msgnum_as_string);
414 void print_message(char *msgnum_as_string);
415 void text_to_server(char *ptr, int convert_to_html);
416 void display_enter(void);
417 void post_message(void);
418 void confirm_delete_msg(void);
419 void delete_msg(void);
420 void confirm_move_msg(void);
424 void display_page(void);
425 void page_user(void);
427 void display_private(char *rname, int req_pass);
428 void goto_private(void);
429 void zapped_list(void);
430 void display_zap(void);
432 void display_success(char *);
433 void authorization_required(const char *message);
434 void display_entroom(void);
436 void display_editroom(void);
439 void display_whok(void);
440 void do_invt_kick(void);
441 void server_to_text(void);
442 void save_edit(char *description, char *enter_cmd, int regoto);
443 void display_edit(char *description, char *check_cmd,
444 char *read_cmd, char *save_cmd, int with_room_banner);
445 int gotoroom(char *gname);
446 void confirm_delete_room(void);
447 void delete_room(void);
449 void display_graphics_upload(char *, char *, char *);
450 void do_graphics_upload(char *upl_cmd);
451 void serv_read(char *buf, int bytes);
452 void serv_gets(char *strbuf);
453 void serv_write(char *buf, int nbytes);
454 void serv_puts(char *string);
455 void serv_printf(const char *format,...);
456 void load_floorlist(void);
457 void display_reg(int);
458 void display_changepw(void);
460 void display_edit_node(void);
461 void edit_node(void);
462 void display_netconf(void);
463 void display_confirm_delete_node(void);
464 void delete_node(void);
465 void display_add_node(void);
467 void terminate_session(void);
469 void display_siteconfig(void);
470 void siteconfig(void);
471 void display_generic(void);
472 void do_generic(void);
473 void ajax_servcmd(void);
474 void display_menubar(int);
475 void smart_goto(char *);
476 void worker_entry(void);
477 void session_loop(struct httprequest *);
478 void fmt_date(char *buf, time_t thetime, int brief);
479 void fmt_time(char *buf, time_t thetime);
480 void httpdate(char *buf, time_t thetime);
481 time_t httpdate_to_timestamp(const char *buf);
482 void end_webcit_session(void);
483 void page_popup(void);
484 void chat_recv(void);
485 void chat_send(void);
486 void http_redirect(char *);
487 void clear_local_substs(void);
488 void svprintf(char *keyname, int keytype, const char *format,...);
489 void svcallback(char *keyname, void (*fcn_ptr)() );
490 void do_template(void *templatename);
491 int lingering_close(int fd);
492 char *memreadline(char *start, char *buf, int maxlen);
493 int num_tokens (char *source, char tok);
494 void extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
495 void remove_token(char *source, int parmnum, char separator);
496 char *load_mimepart(long msgnum, char *partnum);
497 int pattern2(char *search, char *patn);
498 void do_edit_vcard(long, char *, char *);
499 void edit_vcard(void);
500 void submit_vcard(void);
501 void striplt(char *);
502 void select_user_to_edit(char *message, char *preselect);
503 void delete_user(char *);
504 void display_edituser(char *who, int is_new);
505 void create_user(void);
507 void do_change_view(int);
508 void change_view(void);
510 void load_preferences(void);
511 void save_preferences(void);
512 void get_preference(char *key, char *value, size_t value_len);
513 void set_preference(char *key, char *value, int save_to_server);
515 int is_msg_in_mset(char *mset, long msgnum);
516 char *safestrncpy(char *dest, const char *src, size_t n);
517 void display_addressbook(long msgnum, char alpha);
518 void offer_start_page(void);
519 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext);
520 void change_start_page(void);
521 void output_html(char *);
522 void display_floorconfig(char *);
523 void delete_floor(void);
524 void create_floor(void);
525 void rename_floor(void);
526 void do_listsub(void);
527 void toggle_self_service(void);
529 void summary_inner_div(void);
530 ssize_t write(int fd, const void *buf, size_t count);
531 void cal_process_attachment(char *part_source, long msgnum, char *cal_partnum);
532 void display_calendar(long msgnum);
533 void display_task(long msgnum);
534 void display_note(long msgnum);
535 void do_calendar_view(void);
536 void do_tasks_view(void);
537 void free_calendar_buffer(void);
538 void calendar_summary_view(void);
539 int load_msg_ptrs(char *servcmd, int with_headers);
540 void CtdlEncodeBase64(char *dest, const char *source, size_t sourcelen);
541 int CtdlDecodeBase64(char *dest, const char *source, size_t length);
542 void free_attachments(struct wcsession *sess);
543 void set_room_policy(void);
544 void display_inetconf(void);
545 void save_inetconf(void);
546 void generate_uuid(char *);
547 void display_preferences(void);
548 void set_preferences(void);
549 void recp_autocomplete(char *);
550 void begin_ajax_response(void);
551 void end_ajax_response(void);
552 void initialize_viewdefs(void);
554 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
555 void display_edit_task(void);
556 void save_task(void);
557 void display_edit_event(void);
558 void save_event(void);
559 void display_icaltimetype_as_webform(struct icaltimetype *, char *);
560 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
561 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
562 void display_edit_individual_event(icalcomponent *supplied_vtodo, long msgnum);
563 void save_individual_event(icalcomponent *supplied_vtodo, long msgnum);
564 void respond_to_request(void);
565 void handle_rsvp(void);
566 void ical_dezonify(icalcomponent *cal);
567 void partstat_as_string(char *buf, icalproperty *attendee);
568 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
569 void check_attendee_availability(icalcomponent *supplied_vevent);
570 void do_freebusy(char *req);
573 extern char *months[];
575 void read_server_binary(char *buffer, size_t total_len);
576 char *read_server_text(void);
577 int goto_config_room(void);
578 long locate_user_vcard(char *username, long usernum);
579 void sleeeeeeeeeep(int);
580 void http_transmit_thing(char *thing, size_t length, char *content_type,
582 void unescape_input(char *buf);
583 void do_iconbar(void);
584 void display_customize_iconbar(void);
585 void commit_iconbar(void);
586 int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen);
587 void spawn_another_worker_thread(void);
588 void display_rss(char *roomname, char *request_method);
590 void embed_room_banner(char *, int);
591 /* navbar types that can be passed to embed_room_banner */
601 void ssl_lock(int mode, int n, const char *file, int line);
602 int starttls(int sock);
603 extern SSL_CTX *ssl_ctx;
604 int client_read_ssl(char *buf, int bytes, int timeout);
605 void client_write_ssl(char *buf, int nbytes);
610 int ZEXPORT compress_gzip(Bytef * dest, uLongf * destLen,
611 const Bytef * source, uLong sourceLen, int level);
615 void utf8ify_rfc822_string(char *buf);
618 void begin_burst(void);
619 void end_burst(void);
621 extern char *ascmonths[];
622 extern char *hourname[];
623 void http_datestring(char *buf, size_t n, time_t xtime);
625 /* Views (from citadel.h) */
626 #define VIEW_BBS 0 /* Traditional Citadel BBS view */
627 #define VIEW_MAILBOX 1 /* Mailbox summary */
628 #define VIEW_ADDRESSBOOK 2 /* Address book view */
629 #define VIEW_CALENDAR 3 /* Calendar view */
630 #define VIEW_TASKS 4 /* Tasks view */
631 #define VIEW_NOTES 5 /* Notes view */
634 /* These should be empty, but we have them for testing */
635 #define DEFAULT_HTTPAUTH_USER ""
636 #define DEFAULT_HTTPAUTH_PASS ""