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 v6.31" /* who's in da house */
92 #define DEVELOPER_ID 0
94 #define CLIENT_VERSION 631 /* This version of WebCit */
95 #define MINIMUM_CIT_VERSION 661 /* min required Citadel ver. */
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
146 * User flags (from Citadel)
148 #define US_NEEDVALID 1 /* User needs to be validated */
149 #define US_PERM 4 /* Permanent user */
150 #define US_LASTOLD 16 /* Print last old message with new */
151 #define US_EXPERT 32 /* Experienced user */
152 #define US_UNLISTED 64 /* Unlisted userlog entry */
153 #define US_NOPROMPT 128 /* Don't prompt after each message */
154 #define US_PROMPTCTL 256 /* <N>ext & <S>top work at prompt */
155 #define US_DISAPPEAR 512 /* Use "disappearing msg prompts" */
156 #define US_REGIS 1024 /* Registered user */
157 #define US_PAGINATOR 2048 /* Pause after each screen of text */
158 #define US_INTERNET 4096 /* Internet mail privileges */
159 #define US_FLOORS 8192 /* User wants to see floors */
160 #define US_COLOR 16384 /* User wants ANSI color support */
161 #define US_USER_SET (US_LASTOLD | US_EXPERT | US_UNLISTED | \
162 US_NOPROMPT | US_DISAPPEAR | US_PAGINATOR | \
163 US_FLOORS | US_COLOR | US_PROMPTCTL )
169 struct httprequest *next;
174 struct urlcontent *next;
181 char serv_nodename[32];
182 char serv_humannode[64];
184 char serv_software[64];
186 char serv_bbs_city[64];
187 char serv_sysadm[64];
188 char serv_moreprompt[SIZ];
190 int serv_supports_ldap;
196 * This struct holds a list of rooms for <G>oto operations.
200 char march_name[128];
206 * This struct holds a list of rooms for client display.
210 struct roomlisting *lnext;
211 struct roomlisting *rnext;
221 * Dynamic content for variable substitution in templates
224 struct wcsubst *next;
228 void (*wcs_function)(void);
232 * Values for wcs_type
241 struct wc_attachment {
242 struct wc_attachment *next;
244 char content_type[SIZ];
249 struct message_summary {
260 * One of these is kept for each active Citadel session.
261 * HTTP transactions are bound to one at a time.
264 struct wcsession *next; /* Linked list */
265 int wc_session; /* WebCit session ID */
266 char wc_username[SIZ];
267 char wc_password[SIZ];
268 char wc_roomname[SIZ];
285 char upload_filename[SIZ];
286 char upload_content_type[SIZ];
288 int remember_new_mail;
289 int need_regi; /* This user needs to register. */
290 int need_vali; /* New users require validation. */
291 char cs_inet_email[SIZ]; /* User's preferred Internet addr. */
292 pthread_mutex_t SessionMutex; /* mutex for exclusive access */
293 time_t lastreq; /* Timestamp of most recent HTTP */
294 int killthis; /* Nonzero == purge this session */
295 struct march *march; /* march mode room list */
296 char reply_to[SIZ]; /* reply-to address */
298 long msgarr[10000]; /* for read operations */
300 struct message_summary *summ;
302 int is_wap; /* Client is a WAP gateway */
303 struct urlcontent *urlstrings;
304 int HaveInstantMessages; /* Nonzero if incoming msgs exist */
305 struct wcsubst *vars;
306 char this_page[SIZ]; /* address of current page */
307 char http_host[SIZ]; /* HTTP Host: header */
309 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
311 icalcomponent *cal; /* cal items for display */
312 long cal_msgnum; /* cal msgids for display */
316 struct wc_attachment *first_attachment;
317 char ImportantMessage[SIZ];
318 char last_chat_user[SIZ];
319 int ctdl_pid; /* Session ID on the Citadel server */
320 char httpauth_user[SIZ]; /* only for GroupDAV sessions */
321 char httpauth_pass[SIZ]; /* only for GroupDAV sessions */
325 int gzip_ok; /* Nonzero if Accept-encoding: gzip */
326 int is_mailbox; /* the current room is a private mailbox */
329 #define num_parms(source) num_tokens(source, '|')
331 /* Per-session data */
332 #define WC ((struct wcsession *)pthread_getspecific(MyConKey))
333 extern pthread_key_t MyConKey;
335 /* Per-thread SSL context */
337 #define THREADSSL ((SSL *)pthread_getspecific(ThreadSSL))
338 extern pthread_key_t ThreadSSL;
341 struct serv_info serv_info;
342 extern char floorlist[128][SIZ];
343 extern char *axdefs[];
344 extern char *ctdlhost, *ctdlport;
345 extern char *server_cookie;
347 extern int setup_wizard;
348 extern char wizard_filename[];
349 extern time_t if_modified_since;
350 void do_setup_wizard(void);
352 void stuff_to_cookie(char *cookie, int session,
353 char *user, char *pass, char *room);
354 void cookie_to_stuff(char *cookie, int *session,
355 char *user, size_t user_len,
356 char *pass, size_t pass_len,
357 char *room, size_t room_len);
358 void locate_host(char *, int);
359 void become_logged_in(char *, char *, char *);
361 void display_login(char *mesg);
362 void do_welcome(void);
363 void do_logout(void);
364 void display_main_menu(void);
365 void display_aide_menu(void);
366 void display_advanced_menu(void);
367 void slrp_highest(void);
370 void get_serv_info(char *, char *);
371 int uds_connectsock(char *);
372 int tcp_connectsock(char *, char *);
373 void serv_getln(char *strbuf, int bufsize);
374 void serv_puts(char *string);
376 void who_inner_div(void);
377 void fmout(char *align);
378 void pullquote_fmout(void);
379 void wDumpContent(int);
380 void serv_printf(const char *format,...);
381 char *bstr(char *key);
382 void urlesc(char *, char *);
383 void urlescputs(char *);
384 void jsesc(char *, char *);
385 void jsescputs(char *);
386 void output_headers( int do_httpheaders,
392 void wprintf(const char *format,...);
393 void output_static(char *what);
394 void stresc(char *target, char *strbuf, int nbsp, int nolinebreaks);
395 void escputs(char *strbuf);
397 void escputs1(char *strbuf, int nbsp, int nolinebreaks);
398 void msgesc(char *target, char *strbuf);
399 void msgescputs(char *strbuf);
400 int extract_int(const char *source, int parmnum);
401 long extract_long(const char *source, int parmnum);
402 void stripout(char *str, char leftboundary, char rightboundary);
403 void dump_vars(void);
404 void embed_main_menu(void);
405 void serv_read(char *buf, int bytes);
406 int haschar(char *, char);
407 void readloop(char *oper);
408 void embed_message(char *msgnum_as_string);
409 void print_message(char *msgnum_as_string);
410 void text_to_server(char *ptr, int convert_to_html);
411 void display_enter(void);
412 void post_message(void);
413 void confirm_delete_msg(void);
414 void delete_msg(void);
415 void confirm_move_msg(void);
419 void display_page(void);
420 void page_user(void);
422 void display_private(char *rname, int req_pass);
423 void goto_private(void);
424 void zapped_list(void);
425 void display_zap(void);
427 void display_success(char *);
428 void authorization_required(const char *message);
429 void display_entroom(void);
431 void display_editroom(void);
434 void display_whok(void);
435 void do_invt_kick(void);
436 void server_to_text(void);
437 void save_edit(char *description, char *enter_cmd, int regoto);
438 void display_edit(char *description, char *check_cmd,
439 char *read_cmd, char *save_cmd, int with_room_banner);
440 int gotoroom(char *gname);
441 void confirm_delete_room(void);
442 void delete_room(void);
444 void display_graphics_upload(char *, char *, char *);
445 void do_graphics_upload(char *upl_cmd);
446 void serv_read(char *buf, int bytes);
447 void serv_gets(char *strbuf);
448 void serv_write(char *buf, int nbytes);
449 void serv_puts(char *string);
450 void serv_printf(const char *format,...);
451 void load_floorlist(void);
452 void display_reg(int);
453 void display_changepw(void);
455 void display_edit_node(void);
456 void edit_node(void);
457 void display_netconf(void);
458 void display_confirm_delete_node(void);
459 void delete_node(void);
460 void display_add_node(void);
462 void terminate_session(void);
464 void display_siteconfig(void);
465 void siteconfig(void);
466 void display_generic(void);
467 void do_generic(void);
468 void display_menubar(int);
469 void smart_goto(char *);
470 void worker_entry(void);
471 void session_loop(struct httprequest *);
472 void fmt_date(char *buf, time_t thetime, int brief);
473 void fmt_time(char *buf, time_t thetime);
474 void httpdate(char *buf, time_t thetime);
475 time_t httpdate_to_timestamp(const char *buf);
476 void end_webcit_session(void);
477 void page_popup(void);
478 void chat_recv(void);
479 void chat_send(void);
480 void http_redirect(char *);
481 void clear_local_substs(void);
482 void svprintf(char *keyname, int keytype, const char *format,...);
483 void svcallback(char *keyname, void (*fcn_ptr)() );
484 void do_template(void *templatename);
485 int lingering_close(int fd);
486 char *memreadline(char *start, char *buf, int maxlen);
487 int num_tokens (char *source, char tok);
488 void extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen);
489 void remove_token(char *source, int parmnum, char separator);
490 char *load_mimepart(long msgnum, char *partnum);
491 int pattern2(char *search, char *patn);
492 void do_edit_vcard(long, char *, char *);
493 void edit_vcard(void);
494 void submit_vcard(void);
495 void striplt(char *);
496 void select_user_to_edit(char *message, char *preselect);
497 void delete_user(char *);
498 void display_edituser(char *who, int is_new);
499 void create_user(void);
501 void do_change_view(int);
502 void change_view(void);
504 void do_stuff_to_msgs(void);
505 void load_preferences(void);
506 void save_preferences(void);
507 void get_preference(char *key, char *value, size_t value_len);
508 void set_preference(char *key, char *value, int save_to_server);
510 int is_msg_in_mset(char *mset, long msgnum);
511 char *safestrncpy(char *dest, const char *src, size_t n);
512 void display_addressbook(long msgnum, char alpha);
513 void offer_start_page(void);
514 void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext);
515 void change_start_page(void);
516 void output_html(char *);
517 void display_floorconfig(char *);
518 void delete_floor(void);
519 void create_floor(void);
520 void rename_floor(void);
521 void do_listsub(void);
522 void toggle_self_service(void);
524 void summary_inner_div(void);
525 ssize_t write(int fd, const void *buf, size_t count);
526 void cal_process_attachment(char *part_source, long msgnum, char *cal_partnum);
527 void display_calendar(long msgnum);
528 void display_task(long msgnum);
529 void display_note(long msgnum);
530 void do_calendar_view(void);
531 void do_tasks_view(void);
532 void free_calendar_buffer(void);
533 void calendar_summary_view(void);
534 int load_msg_ptrs(char *servcmd, int with_headers);
535 void CtdlEncodeBase64(char *dest, const char *source, size_t sourcelen);
536 int CtdlDecodeBase64(char *dest, const char *source, size_t length);
537 void free_attachments(struct wcsession *sess);
538 void set_room_policy(void);
539 void display_inetconf(void);
540 void save_inetconf(void);
541 void generate_uuid(char *);
542 void display_preferences(void);
543 void set_preferences(void);
544 void recp_autocomplete(char *);
545 void begin_ajax_response(void);
546 void end_ajax_response(void);
548 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
549 void display_edit_task(void);
550 void save_task(void);
551 void display_edit_event(void);
552 void save_event(void);
553 void display_icaltimetype_as_webform(struct icaltimetype *, char *);
554 void icaltime_from_webform(struct icaltimetype *result, char *prefix);
555 void icaltime_from_webform_dateonly(struct icaltimetype *result, char *prefix);
556 void display_edit_individual_event(icalcomponent *supplied_vtodo, long msgnum);
557 void save_individual_event(icalcomponent *supplied_vtodo, long msgnum);
558 void respond_to_request(void);
559 void handle_rsvp(void);
560 void ical_dezonify(icalcomponent *cal);
561 void partstat_as_string(char *buf, icalproperty *attendee);
562 icalcomponent *ical_encapsulate_subcomponent(icalcomponent *subcomp);
563 void check_attendee_availability(icalcomponent *supplied_vevent);
564 void do_freebusy(char *req);
567 extern char *months[];
569 void read_server_binary(char *buffer, size_t total_len);
570 char *read_server_text(void);
571 int goto_config_room(void);
572 long locate_user_vcard(char *username, long usernum);
573 void sleeeeeeeeeep(int);
574 void http_transmit_thing(char *thing, size_t length, char *content_type,
576 void unescape_input(char *buf);
577 void do_iconbar(void);
578 void display_customize_iconbar(void);
579 void commit_iconbar(void);
580 int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen);
581 void spawn_another_worker_thread(void);
582 void display_rss(char *roomname, char *request_method);
584 void embed_room_banner(char *, int);
585 /* navbar types that can be passed to embed_room_banner */
595 void ssl_lock(int mode, int n, const char *file, int line);
596 int starttls(int sock);
597 extern SSL_CTX *ssl_ctx;
598 int client_read_ssl(char *buf, int bytes, int timeout);
599 void client_write_ssl(char *buf, int nbytes);
604 int ZEXPORT compress_gzip(Bytef * dest, uLongf * destLen,
605 const Bytef * source, uLong sourceLen, int level);
609 void utf8ify_rfc822_string(char *buf);
612 void begin_burst(void);
613 void end_burst(void);
615 extern char *ascmonths[];
616 extern char *hourname[];
617 void http_datestring(char *buf, size_t n, time_t xtime);
619 /* Views (from citadel.h) */
620 #define VIEW_BBS 0 /* Traditional Citadel BBS view */
621 #define VIEW_MAILBOX 1 /* Mailbox summary */
622 #define VIEW_ADDRESSBOOK 2 /* Address book view */
623 #define VIEW_CALENDAR 3 /* Calendar view */
624 #define VIEW_TASKS 4 /* Tasks view */
625 #define VIEW_NOTES 5 /* Notes view */
628 /* These should be empty, but we have them for testing */
629 #define DEFAULT_HTTPAUTH_USER ""
630 #define DEFAULT_HTTPAUTH_PASS ""