2 * Copyright (c) 1987-2020 by the citadel.org team
4 * This program is open source software. It runs great on the Linux
5 * operating system, and probably other places too. We acknowledge
6 * that Richard Stallman is a communist and an asshole, while at the
7 * same time we release this program under the terms of the General
8 * Public License version 3.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * General Public License for more details.
17 #define DEFAULT_HOST "localhost"
18 #define DEFAULT_PORT "504"
19 #define CLIENT_VERSION 926
22 /* commands we can send to the stty_ctdl() routine */
23 #define SB_NO_INTR 0 // set to Citadel client mode, i/q disabled
24 #define SB_YES_INTR 1 // set to Citadel client mode, i/q enabled
25 #define SB_SAVE 2 // save settings
26 #define SB_RESTORE 3 // restore settings
27 #define SB_LAST 4 // redo the last command sent
29 #define UGLISTLEN 100 // you get a ungoto list of this size */
30 #define ROOMNAMELEN 128 // The size of a roomname string
31 #define USERNAME_SIZE 64 // The size of a username string
32 #define MAX_EDITORS 5 // number of external editors supported, must be at least 1
33 #define NONCE_SIZE 128 // Added by <bc> to allow for APOP auth
35 #define S_KEEPALIVE 30 // How often (in seconds) to send keepalives to the server
38 #define READ_MSGBODY 3
40 #define NUM_CONFIGS 72
45 /* citadel.rc stuff */
46 #define RC_NO 0 /* always no */
47 #define RC_YES 1 /* always yes */
48 #define RC_DEFAULT 2 /* setting depends on user config */
52 KA_NO, /* no keepalives */
53 KA_YES, /* full keepalives */
54 KA_HALF /* half keepalives */
57 /* for <;G>oto and <;S>kip commands */
58 #define GF_GOTO 0 /* <;G>oto floor mode */
59 #define GF_SKIP 1 /* <;S>kip floor mode */
60 #define GF_ZAP 2 /* <;Z>ap floor mode */
62 /* Can messages be entered in this room? */
63 #define ENTMSG_OK_NO 0 /* You may not enter messages here */
64 #define ENTMSG_OK_YES 1 /* Go ahead! */
65 #define ENTMSG_OK_BLOG 2 /* Yes, but warn the user about how blog rooms work */
68 * Colors for color() command
78 #define BRIGHT_BLACK 8
80 #define BRIGHT_GREEN 10
81 #define BRIGHT_YELLOW 11
82 #define BRIGHT_BLUE 12
83 #define BRIGHT_MAGENTA 13
84 #define BRIGHT_CYAN 14
85 #define BRIGHT_WHITE 15
86 #define COLOR_PUSH 16 /* Save current color */
87 #define COLOR_POP 17 /* Restore saved color */
88 #define ORIGINAL_PAIR -1 /* Default terminal colors */
90 typedef void (*sighandler_t)(int);
102 #include <sys/types.h>
103 #include <sys/wait.h>
104 #include <sys/stat.h>
105 #include <sys/ioctl.h>
107 // #include <sgtty.h> not needed if we have termios.h
110 #include <sys/socket.h>
111 #include <arpa/inet.h>
112 #include <netinet/in.h>
123 #include <sys/select.h>
125 #include <libcitadel.h>
128 #ifdef HAVE_PTHREAD_H
132 #include <openssl/ssl.h>
133 #include <openssl/err.h>
134 #include <openssl/rand.h>
138 struct CtdlServInfo {
145 char site_location[64];
147 char moreprompt[256];
152 int newuser_disabled;
153 char default_cal_zone[256];
158 int fulltext_enabled;
159 char svn_revision[256];
165 * This class is responsible for the server connection
167 typedef struct _CtdlIPC {
168 struct CtdlServInfo ServInfo; /* The server info for this connection */
169 #if defined(HAVE_OPENSSL)
170 SSL *ssl; /* NULL if not encrypted, non-NULL otherwise */
172 int sock; /* Socket for connection to server, or -1 if not connected */
173 int isLocal; /* 1 if server is local, 0 otherwise or if not connected */
174 int downloading; /* 1 if a download is open on the server, 0 otherwise */
175 int uploading; /* 1 if an upload is open on the server, 0 otherwise */
176 time_t last_command_sent; /* Time the last command was sent to the server */
177 char *Buf; /* Our buffer for linebuffered read. */
181 void (*network_status_cb)(int state); /* Callback for update on whether the IPC is locked */
182 char ip_hostname[256]; /* host name of server to which we are connected (if network) */
183 char ip_address[64]; /* IP address of server to which we are connected (if network) */
186 extern char *axdefs[];
187 extern char *viewdefs[];
188 extern char fullname[USERNAME_SIZE];
189 extern unsigned room_flags;
190 extern char room_name[ROOMNAMELEN];
191 extern struct CtdlServInfo serv_info;
193 extern char is_room_aide;
194 extern unsigned userflags;
195 extern char sigcaught;
196 extern char editor_paths[MAX_EDITORS][SIZ];
197 extern char printcmd[SIZ];
198 extern char imagecmd[SIZ];
199 extern char have_xterm;
200 extern char rc_username[USERNAME_SIZE];
201 extern char rc_password[32];
202 extern char rc_floor_mode;
203 extern time_t rc_idle_threshold;
205 extern char rc_encrypt; /* from the citadel.rc file */
206 extern char arg_encrypt; /* from the command line */
208 #if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
209 extern char rc_screen;
210 extern char arg_screen;
212 extern char rc_alt_semantics;
213 extern char instant_msgs;
214 void ctdl_logoff(char *file, int line, CtdlIPC *ipc, int code);
215 #define logoff(ipc, code) ctdl_logoff(__FILE__, __LINE__, (ipc), (code))
216 void formout(CtdlIPC *ipc, char *name);
217 void sighandler(int which_sig);
219 void remove_march(char *roomname, int floornum);
220 void calc_dirs_n_files(int relh, int home, const char *relhome, char *ctdldir, int dbg);
223 * This struct stores a list of rooms with new messages which the client
224 * fetches from the server. This allows the client to "march" through
225 * relevant rooms without having to ask the server each time where to go next.
227 typedef struct ExpirePolicy ExpirePolicy;
228 struct ExpirePolicy {
233 typedef struct march march;
236 char march_name[ROOMNAMELEN];
237 unsigned int march_flags;
240 unsigned int march_flags2;
245 * This is NOT the same 'struct ctdluser' from the server.
247 typedef struct ctdluser ctdluser;
248 struct ctdluser { // User record
249 int version; // Cit vers. which created this rec
250 uid_t uid; // Associate with a unix account?
251 char password[32]; // password
252 unsigned flags; // See US_ flags below
253 long timescalled; // Total number of logins
254 long posted; // Number of messages ever submitted
255 uint8_t axlevel; // Access level
256 long usernum; // User number (never recycled)
257 time_t lastcall; // Date/time of most recent login
258 int USuserpurge; // Purge time (in days) for user
259 char fullname[64]; // Display name (primary identifier)
260 char emailaddrs[512]; // Internet email addresses
263 typedef struct ctdlroom ctdlroom;
265 char QRname[ROOMNAMELEN]; /* Name of room */
266 char QRpasswd[10]; /* Only valid if it's a private rm */
267 long QRroomaide; /* User number of room aide */
268 long QRhighest; /* Highest message NUMBER in room */
269 time_t QRgen; /* Generation number of room */
270 unsigned QRflags; /* See flag values below */
271 char QRdirname[15]; /* Directory name, if applicable */
272 long QRinfo; /* Info file update relative to msgs*/
273 char QRfloor; /* Which floor this room is on */
274 time_t QRmtime; /* Date/time of last post */
275 struct ExpirePolicy QRep; /* Message expiration policy */
276 long QRnumber; /* Globally unique room number */
277 char QRorder; /* Sort key for room listing order */
278 unsigned QRflags2; /* Additional flags */
279 int QRdefaultview; /* How to display the contents */
284 CtdlIPC* CtdlIPC_new(int argc, char **argv, char *hostbuf, char *portbuf);
286 void CtdlIPC_delete(CtdlIPC* ipc);
287 /* Convenience destructor; also nulls out caller's pointer */
288 void CtdlIPC_delete_ptr(CtdlIPC** pipc);
289 /* Read a line from server, discarding newline, for chat, will go away */
290 void CtdlIPC_chat_recv(CtdlIPC* ipc, char *buf);
291 /* Write a line to server, adding newline, for chat, will go away */
292 void CtdlIPC_chat_send(CtdlIPC* ipc, const char *buf);
295 char RRname[ROOMNAMELEN]; /* Name of room */
296 long RRunread; /* Number of unread messages */
297 long RRtotal; /* Total number of messages in room */
298 char RRinfoupdated; /* Nonzero if info was updated */
299 unsigned RRflags; /* Various flags (see LKRN) */
300 unsigned RRflags2; /* Various flags (see LKRN) */
301 long RRhighest; /* Highest message number in room */
302 long RRlastread; /* Highest message user has read */
303 char RRismailbox; /* Is this room a mailbox room? */
304 char RRaide; /* User can do aide commands in room */
305 long RRnewmail; /* Number of new mail messages */
306 char RRfloor; /* Which floor this room is on */
307 char RRcurrentview; /* The user's current view for this room */
308 char RRdefaultview; /* The default view for this room */
314 char number[16]; /* part number */
315 char name[PATH_MAX]; /* Name */
316 char filename[PATH_MAX]; /* Suggested filename */
317 char mimetype[SIZ]; /* MIME type */
318 char disposition[SIZ]; /* Content disposition */
319 unsigned long length; /* Content length */
323 struct ctdlipcmessage {
324 char msgid[SIZ]; /* Original message ID */
325 char path[SIZ]; /* Return path to sender */
326 char zaps[SIZ]; /* Message ID that this supersedes */
327 char subject[SIZ]; /* Message subject */
328 char email[SIZ]; /* Email address of sender */
329 char author[SIZ]; /* Sender of message */
330 char recipient[SIZ]; /* Recipient of message */
331 char room[SIZ]; /* Originating room */
332 struct parts *attachments; /* Available attachments */
333 char *text; /* Message text */
334 int type; /* Message type */
335 time_t time; /* Time message was posted */
336 char nhdr; /* Suppress message header? */
337 char anonymous; /* An anonymous message */
338 char mime_chosen[SIZ]; /* Chosen MIME part to output */
339 char content_type[SIZ]; /* How would you like that? */
340 char references[SIZ]; /* Thread references */
341 int is_local; /* Nonzero if the message originated on the local system */
346 char remote_name[PATH_MAX]; /* Filename on server */
347 char local_name[PATH_MAX]; /* Filename on client */
348 char description[80]; /* Description on server */
349 FILE *local_fd; /* Open file on client */
350 size_t size; /* Size of file in octets */
351 unsigned int upload:1; /* uploading? 0 if downloading */
352 unsigned int complete:1; /* Transfer has finished? */
357 long newmail; /* Number of new Mail messages */
358 char needregis; /* Nonzero if user needs to register */
359 char needvalid; /* Nonzero if users need validation */
364 SubscribedRoomsWithNewMessages,
365 SubscribedRoomsWithNoNewMessages,
380 enum MessageDirection {
384 extern char file_citadel_rc[PATH_MAX];
385 extern char file_citadel_config[PATH_MAX];
387 /* Shared Diffie-Hellman parameters */
388 #define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
391 #define CIT_CIPHERS "ALL:RC4+RSA:+SSLv2:+TLSv1:!MD5:@STRENGTH" /* see ciphers(1) */
393 int CtdlIPCNoop(CtdlIPC *ipc);
394 int CtdlIPCEcho(CtdlIPC *ipc, const char *arg, char *cret);
395 int CtdlIPCQuit(CtdlIPC *ipc);
396 int CtdlIPCLogout(CtdlIPC *ipc);
397 int CtdlIPCTryLogin(CtdlIPC *ipc, const char *username, char *cret);
398 int CtdlIPCTryPassword(CtdlIPC *ipc, const char *passwd, char *cret);
399 int CtdlIPCTryApopPassword(CtdlIPC *ipc, const char *response, char *cret);
400 int CtdlIPCCreateUser(CtdlIPC *ipc, const char *username, int selfservice,
402 int CtdlIPCChangePassword(CtdlIPC *ipc, const char *passwd, char *cret);
403 int CtdlIPCKnownRooms(CtdlIPC *ipc, enum RoomList which, int floor,
404 struct march **listing, char *cret);
405 int CtdlIPCGetConfig(CtdlIPC *ipc, struct ctdluser **uret, char *cret);
406 int CtdlIPCSetConfig(CtdlIPC *ipc, struct ctdluser *uret, char *cret);
407 int CtdlIPCGotoRoom(CtdlIPC *ipc, const char *room, const char *passwd,
408 struct ctdlipcroom **rret, char *cret);
409 int CtdlIPCGetMessages(CtdlIPC *ipc, enum MessageList which, int whicharg,
410 const char *mtemplate, unsigned long **mret, char *cret);
411 int CtdlIPCGetSingleMessage(CtdlIPC *ipc, long msgnum, int headers, int as_mime,
412 struct ctdlipcmessage **mret, char *cret);
413 int CtdlIPCWhoKnowsRoom(CtdlIPC *ipc, char **listing, char *cret);
414 int CtdlIPCServerInfo(CtdlIPC *ipc, char *cret);
415 /* int CtdlIPCReadDirectory(CtdlIPC *ipc, struct ctdlipcfile **files, char *cret); */
416 int CtdlIPCReadDirectory(CtdlIPC *ipc, char **listing, char *cret);
417 int CtdlIPCSetLastRead(CtdlIPC *ipc, long msgnum, char *cret);
418 int CtdlIPCInviteUserToRoom(CtdlIPC *ipc, const char *username, char *cret);
419 int CtdlIPCKickoutUserFromRoom(CtdlIPC *ipc, const char *username, char *cret);
420 int CtdlIPCGetRoomAttributes(CtdlIPC *ipc, struct ctdlroom **qret, char *cret);
421 int CtdlIPCSetRoomAttributes(CtdlIPC *ipc, int forget, struct ctdlroom *qret,
423 int CtdlIPCGetRoomAide(CtdlIPC *ipc, char *cret);
424 int CtdlIPCSetRoomAide(CtdlIPC *ipc, const char *username, char *cret);
425 int CtdlIPCPostMessage(CtdlIPC *ipc, int flag, int *subject_required,
426 struct ctdlipcmessage *mr,
428 int CtdlIPCRoomInfo(CtdlIPC *ipc, char **iret, char *cret);
429 int CtdlIPCDeleteMessage(CtdlIPC *ipc, long msgnum, char *cret);
430 int CtdlIPCMoveMessage(CtdlIPC *ipc, int copy, long msgnum,
431 const char *destroom, char *cret);
432 int CtdlIPCDeleteRoom(CtdlIPC *ipc, int for_real, char *cret);
433 int CtdlIPCCreateRoom(CtdlIPC *ipc, int for_real, const char *roomname,
434 int type, const char *password, int floor, char *cret);
435 int CtdlIPCForgetRoom(CtdlIPC *ipc, char *cret);
436 int CtdlIPCSystemMessage(CtdlIPC *ipc, const char *message, char **mret,
438 int CtdlIPCNextUnvalidatedUser(CtdlIPC *ipc, char *cret);
439 int CtdlIPCGetUserRegistration(CtdlIPC *ipc, const char *username, char **rret,
441 int CtdlIPCValidateUser(CtdlIPC *ipc, const char *username, int axlevel,
443 int CtdlIPCSetRoomInfo(CtdlIPC *ipc, int for_real, const char *info,
445 int CtdlIPCUserListing(CtdlIPC *ipc, char *searchstring, char **list, char *cret);
446 int CtdlIPCSetRegistration(CtdlIPC *ipc, const char *info, char *cret);
447 int CtdlIPCMiscCheck(CtdlIPC *ipc, struct ctdlipcmisc *chek, char *cret);
448 int CtdlIPCDeleteFile(CtdlIPC *ipc, const char *filename, char *cret);
449 int CtdlIPCMoveFile(CtdlIPC *ipc, const char *filename, const char *destroom, char *cret);
450 int CtdlIPCNetSendFile(CtdlIPC *ipc, const char *filename, const char *destnode, char *cret);
451 int CtdlIPCOnlineUsers(CtdlIPC *ipc, char **listing, time_t *stamp, char *cret);
452 int CtdlIPCFileDownload(CtdlIPC *ipc, const char *filename, void **buf,
454 void (*progress_gauge_callback)(CtdlIPC*, unsigned long, unsigned long),
456 int CtdlIPCAttachmentDownload(CtdlIPC *ipc, long msgnum, const char *part,
458 void (*progress_gauge_callback)(CtdlIPC*, unsigned long, unsigned long),
460 int CtdlIPCImageDownload(CtdlIPC *ipc, const char *filename, void **buf,
461 void (*progress_gauge_callback)(CtdlIPC*, unsigned long, unsigned long),
463 int CtdlIPCFileUpload(CtdlIPC *ipc, const char *save_as, const char *comment,
465 void (*progress_gauge_callback)(CtdlIPC*, unsigned long, unsigned long),
467 int CtdlIPCImageUpload(CtdlIPC *ipc, int for_real, const char *path,
469 void (*progress_gauge_callback)(CtdlIPC*, unsigned long, unsigned long),
471 int CtdlIPCQueryUsername(CtdlIPC *ipc, const char *username, char *cret);
472 int CtdlIPCFloorListing(CtdlIPC *ipc, char **listing, char *cret);
473 int CtdlIPCCreateFloor(CtdlIPC *ipc, int for_real, const char *name, char *cret);
474 int CtdlIPCDeleteFloor(CtdlIPC *ipc, int for_real, int floornum, char *cret);
475 int CtdlIPCEditFloor(CtdlIPC *ipc, int floornum, const char *floorname, char *cret);
476 int CtdlIPCIdentifySoftware(CtdlIPC *ipc, int developerid, int clientid,
477 int revision, const char *software_name, const char *hostname,
479 int CtdlIPCSendInstantMessage(CtdlIPC *ipc, const char *username, const char *text, char *cret);
480 int CtdlIPCGetInstantMessage(CtdlIPC *ipc, char **listing, char *cret);
481 int CtdlIPCEnableInstantMessageReceipt(CtdlIPC *ipc, int mode, char *cret);
482 int CtdlIPCSetBio(CtdlIPC *ipc, char *bio, char *cret);
483 int CtdlIPCGetBio(CtdlIPC *ipc, const char *username, char **listing, char *cret);
484 int CtdlIPCListUsersWithBios(CtdlIPC *ipc, char **listing, char *cret);
485 int CtdlIPCStealthMode(CtdlIPC *ipc, int mode, char *cret);
486 int CtdlIPCTerminateSession(CtdlIPC *ipc, int sid, char *cret);
487 int CtdlIPCTerminateServerNow(CtdlIPC *ipc, char *cret);
488 int CtdlIPCTerminateServerScheduled(CtdlIPC *ipc, int mode, char *cret);
489 int CtdlIPCEnterSystemMessage(CtdlIPC *ipc, const char *filename, const char *text, char *cret);
490 time_t CtdlIPCServerTime(CtdlIPC *ipc, char *crert);
491 int CtdlIPCAideGetUserParameters(CtdlIPC *ipc, const char *who, struct ctdluser **uret, char *cret);
492 int CtdlIPCAideGetEmailAddresses(CtdlIPC *ipc, const char *who, char *, char *cret);
493 int CtdlIPCAideSetUserParameters(CtdlIPC *ipc, const struct ctdluser *uret, char *cret);
494 int CtdlIPCAideSetEmailAddresses(CtdlIPC *ipc, const char *who, char *emailaddrs, char *cret);
495 int CtdlIPCRenameUser(CtdlIPC *ipc, char *oldname, char *newname, char *cret);
496 int CtdlIPCGetMessageExpirationPolicy(CtdlIPC *ipc, GPEXWhichPolicy which, struct ExpirePolicy **policy, char *cret);
497 int CtdlIPCSetMessageExpirationPolicy(CtdlIPC *ipc, int which, struct ExpirePolicy *policy, char *cret);
498 int CtdlIPCGetSystemConfig(CtdlIPC *ipc, char **listing, char *cret);
499 int CtdlIPCSetSystemConfig(CtdlIPC *ipc, const char *listing, char *cret);
500 int CtdlIPCGetSystemConfigByType(CtdlIPC *ipc, const char *mimetype, char **listing, char *cret);
501 int CtdlIPCSetSystemConfigByType(CtdlIPC *ipc, const char *mimetype, const char *listing, char *cret);
502 int CtdlIPCGetRoomNetworkConfig(CtdlIPC *ipc, char **listing, char *cret);
503 int CtdlIPCSetRoomNetworkConfig(CtdlIPC *ipc, const char *listing, char *cret);
504 int CtdlIPCRequestClientLogout(CtdlIPC *ipc, int session, char *cret);
505 int CtdlIPCSetMessageSeen(CtdlIPC *ipc, long msgnum, int seen, char *cret);
506 int CtdlIPCStartEncryption(CtdlIPC *ipc, char *cret);
507 int CtdlIPCDirectoryLookup(CtdlIPC *ipc, const char *address, char *cret);
508 int CtdlIPCSpecifyPreferredFormats(CtdlIPC *ipc, char *cret, char *formats);
509 int CtdlIPCInternalProgram(CtdlIPC *ipc, int secret, char *cret);
511 /* ************************************************************************** */
512 /* Stuff below this line is not for public consumption */
513 /* ************************************************************************** */
515 char *CtdlIPCReadListing(CtdlIPC *ipc, char *dest);
516 int CtdlIPCSendListing(CtdlIPC *ipc, const char *listing);
517 size_t CtdlIPCPartialRead(CtdlIPC *ipc, void **buf, size_t offset, size_t bytes, char *cret);
518 int CtdlIPCEndUpload(CtdlIPC *ipc, int discard, char *cret);
519 int CtdlIPCWriteUpload(CtdlIPC *ipc, FILE *uploadFP,
520 void (*progress_gauge_callback)(CtdlIPC*, unsigned long, unsigned long),
522 int CtdlIPCEndDownload(CtdlIPC *ipc, char *cret);
523 int CtdlIPCReadDownload(CtdlIPC *ipc, void **buf, size_t bytes, size_t resume,
524 void (*progress_gauge_callback)(CtdlIPC*, unsigned long, unsigned long),
526 int CtdlIPCHighSpeedReadDownload(CtdlIPC *ipc, void **buf, size_t bytes,
528 void (*progress_gauge_callback)(CtdlIPC*, unsigned long, unsigned long),
530 int CtdlIPCGenericCommand(CtdlIPC *ipc, const char *command,
531 const char *to_send, size_t bytes_to_send, char **to_receive,
532 size_t *bytes_to_receive, char *proto_response);
535 int starttls(CtdlIPC *ipc);
536 void setCryptoStatusHook(void (*hook)(char *s));
537 void CtdlIPC_SetNetworkStatusCallback(CtdlIPC *ipc, void (*hook)(int state));
538 /* This is all Ford's doing. FIXME: figure out what it's doing */
539 extern int (*error_printf)(char *s, ...);
540 void setIPCDeathHook(void (*hook)(void));
541 void setIPCErrorPrintf(int (*func)(char *s, ...));
542 void connection_died(CtdlIPC* ipc, int using_ssl);
543 int CtdlIPC_getsockfd(CtdlIPC* ipc);
544 char CtdlIPC_get(CtdlIPC* ipc);
545 void CtdlIPC_lock(CtdlIPC *ipc);
546 void CtdlIPC_unlock(CtdlIPC *ipc);
547 char *libcitadelclient_version_string(void);
548 void chatmode(CtdlIPC *ipc);
549 void page_user(CtdlIPC *ipc);
550 void quiet_mode(CtdlIPC *ipc);
551 void stealth_mode(CtdlIPC *ipc);
552 extern char last_paged[];
554 void determine_pwfilename(char *pwfile, size_t n);
555 void get_stored_password(
560 void set_stored_password(
565 void offer_to_remember_password(CtdlIPC *ipc,
571 void load_command_set(void);
572 void stty_ctdl(int cmd);
573 void newprompt(char *prompt, char *str, int len);
574 void strprompt(char *prompt, char *str, int len);
575 int boolprompt(char *prompt, int prev_val);
576 int intprompt(char *prompt, int ival, int imin, int imax);
577 int fmout(int width, FILE *fpin, char *text, FILE *fpout, int subst);
578 int getcmd(CtdlIPC *ipc, char *argbuf);
579 void display_help(CtdlIPC *ipc, char *name);
580 void color(int colornum);
581 void cls(int colornum);
582 void send_ansi_detect(void);
583 void look_for_ansi(void);
585 void set_keepalives(int s);
586 extern int enable_color;
590 char keymenu(char *menuprompt, char *menustring);
591 void async_ka_start(void);
592 void async_ka_end(void);
593 int checkpagin(int lp, unsigned int pagin, unsigned int height);
594 char was_a_key_pressed(void);
597 void pprintf(const char *format, ...) __attribute__((__format__(__printf__,1,2)));
599 void pprintf(const char *format, ...);
603 extern char rc_url_cmd[SIZ];
604 extern char rc_open_cmd[SIZ];
605 extern char rc_gotmail_cmd[SIZ];
606 extern int lines_printed;
607 extern int rc_remember_passwords;
618 void MD5Init(struct MD5Context *context);
619 void MD5Update(struct MD5Context *context, unsigned char const *buf,
621 void MD5Final(unsigned char digest[16], struct MD5Context *context);
622 void MD5Transform(uint32_t buf[4], uint32_t const in[16]);
623 char *make_apop_string(char *realpass, char *nonce, char *buffer, size_t n);
626 * This is needed to make RSAREF happy on some MS-DOS compilers.
629 typedef struct MD5Context MD5_CTX;
632 #define MD5_DIGEST_LEN 16
633 #define MD5_HEXSTRING_SIZE 33
638 #define MAXURLS 50 /* Max embedded URL's per message */
640 extern char urls[MAXURLS][SIZ];
642 int ka_system(char *shc);
643 int entmsg(CtdlIPC *ipc, int is_reply, int c, int masquerade);
644 void readmsgs(CtdlIPC *ipc, enum MessageList c, enum MessageDirection rdir, int q);
645 void edit_system_message(CtdlIPC *ipc, char *which_message);
646 pid_t ka_wait(int *kstatus);
647 void list_urls(CtdlIPC *ipc);
648 int client_make_message(CtdlIPC *ipc,
649 char *filename, /* temporary file name */
650 char *recipient, /* NULL if it's not mail */
651 int anon_type, /* see MES_ types in header file */
657 void citedit(FILE *);
658 char *load_message_from_file(FILE *src);
659 int file_checksum(char *filename);
660 void listzrooms(CtdlIPC *ipc);
661 void readinfo(CtdlIPC *ipc);
662 void forget(CtdlIPC *ipc);
663 void entroom(CtdlIPC *ipc);
664 void killroom(CtdlIPC *ipc);
665 void invite(CtdlIPC *ipc);
666 void kickout(CtdlIPC *ipc);
667 void editthisroom(CtdlIPC *ipc);
668 void roomdir(CtdlIPC *ipc);
669 void download(CtdlIPC *ipc, int proto);
670 void ungoto(CtdlIPC *ipc);
671 void dotungoto(CtdlIPC *ipc, char *towhere);
672 void whoknows(CtdlIPC *ipc);
673 void enterinfo(CtdlIPC *ipc);
674 void knrooms(CtdlIPC *ipc, int kn_floor_mode);
675 void dotknown(CtdlIPC *ipc, int what, char *match);
676 void load_floorlist(CtdlIPC *ipc);
677 void create_floor(CtdlIPC *ipc);
678 void edit_floor(CtdlIPC *ipc);
679 void kill_floor(CtdlIPC *ipc);
680 void enter_bio(CtdlIPC *ipc);
681 int save_buffer(void *file, size_t filelen, const char *pathname);
682 void destination_directory(char *dest, const char *supplied_filename);
683 void do_edit(CtdlIPC *ipc, char *desc, char *read_cmd, char *check_cmd, char *write_cmd);
687 * This struct holds a list of rooms for client display.
690 struct ctdlroomlisting {
691 struct ctdlroomlisting *lnext;
692 struct ctdlroomlisting *rnext;
693 char rlname[ROOMNAMELEN];
707 void updatels(CtdlIPC *ipc);
708 void updatelsa(CtdlIPC *ipc);
709 void movefile(CtdlIPC *ipc);
710 void deletefile(CtdlIPC *ipc);
711 void netsendfile(CtdlIPC *ipc);
712 void entregis(CtdlIPC *ipc);
714 void upload(CtdlIPC *ipc, int c);
715 void cli_upload(CtdlIPC *ipc);
716 void validate(CtdlIPC *ipc);
717 void read_bio(CtdlIPC *ipc);
718 void cli_image_upload(CtdlIPC *ipc, char *keyname);
719 int room_prompt(unsigned int qrflags);
720 int val_user(CtdlIPC *ipc, char *user, int do_validate);
722 void edituser(CtdlIPC *ipc, int cmd);
723 void interr(int errnum);
724 int struncmp(char *lstr, char *rstr, int len);
725 int pattern(char *search, char *patn);
726 void enter_config(CtdlIPC* ipc, int mode);
727 void locate_host(CtdlIPC* ipc, char *hbuf);
728 void misc_server_cmd(CtdlIPC *ipc, char *cmd);
729 int nukedir(char *dirname);
730 void strproc(char *string);
731 void back(int spaces);
732 void progress(CtdlIPC* ipc, unsigned long curr, unsigned long cmax);
733 int set_attr(CtdlIPC *ipc, unsigned int sval, char *prompt, unsigned int sbit, int backwards);
735 void screen_new(void);
736 int scr_printf(char *fmt, ...);
737 #define SCR_NOBLOCK 0
739 int scr_getc(int delay);
741 void scr_flush(void);
742 int scr_blockread(void);
743 sighandler_t scr_winch(int signum);
744 void wait_indicator(int state);
745 void ctdl_beep(void);
746 void scr_wait_indicator(int);
747 extern char status_line[];
748 extern void check_screen_dims(void);
749 extern int screenwidth;
750 extern int screenheight;
751 void do_internet_configuration(CtdlIPC *ipc);
752 void network_config_management(CtdlIPC *ipc, char *entrytype, char *comment);
753 void do_pop3client_configuration(CtdlIPC *ipc);
754 void do_rssclient_configuration(CtdlIPC *ipc);
755 void do_system_configuration(CtdlIPC *ipc);
756 extern char editor_path[PATH_MAX];
757 extern int enable_status_line;