// Copyright (c) 1987-2020 by the citadel.org team
//
// This program is open source software. Use, duplication, and/or
// disclosure are subject to the GNU General Purpose License version 3.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
#define UDS "_UDS_"
#define DEFAULT_HOST "localhost"
#define DEFAULT_PORT "504"
#define CLIENT_VERSION 926
#define CLIENT_TYPE 0
// commands we can send to the stty_ctdl() routine
#define SB_NO_INTR 0 // set to Citadel client mode, i/q disabled
#define SB_YES_INTR 1 // set to Citadel client mode, i/q enabled
#define SB_SAVE 2 // save settings
#define SB_RESTORE 3 // restore settings
#define SB_LAST 4 // redo the last command sent
#define UGLISTLEN 100 // you get a ungoto list of this size */
#define ROOMNAMELEN 128 // The size of a roomname string
#define USERNAME_SIZE 64 // The size of a username string
#define MAX_EDITORS 5 // number of external editors supported, must be at least 1
#define NONCE_SIZE 128 // Added by <bc> to allow for APOP auth
#define S_KEEPALIVE 30 // How often (in seconds) to send keepalives to the server
#define READ_HEADER 2
#define READ_MSGBODY 3
#define NUM_CONFIGS 72
#define NEXT_KEY 15
#define STOP_KEY 3
// citadel.rc stuff
#define RC_NO 0 // always no
#define RC_YES 1 // always yes
#define RC_DEFAULT 2 // setting depends on user config
// keepalives
enum {
KA_NO, // no keepalives
KA_YES, // full keepalives
KA_HALF // half keepalives
};
// for <;G>oto and <;S>kip commands
#define GF_GOTO 0 // <;G>oto floor mode
#define GF_SKIP 1 // <;S>kip floor mode
#define GF_ZAP 2 // <;Z>ap floor mode
// Can messages be entered in this room?
#define ENTMSG_OK_NO 0 // You may not enter messages here
#define ENTMSG_OK_YES 1 // Go ahead!
#define ENTMSG_OK_BLOG 2 // Yes, but warn the user about how blog rooms work
// Colors for color() command
#define DIM_BLACK 0
#define DIM_RED 1
#define DIM_GREEN 2
#define DIM_YELLOW 3
#define DIM_BLUE 4
#define DIM_MAGENTA 5
#define DIM_CYAN 6
#define DIM_WHITE 7
#define BRIGHT_BLACK 8
#define BRIGHT_RED 9
#define BRIGHT_GREEN 10
#define BRIGHT_YELLOW 11
#define BRIGHT_BLUE 12
#define BRIGHT_MAGENTA 13
#define BRIGHT_CYAN 14
#define BRIGHT_WHITE 15
#define COLOR_PUSH 16 // Save current color
#define COLOR_POP 17 // Restore saved color
#define ORIGINAL_PAIR -1 // Default terminal colors
typedef void (*sighandler_t)(int);
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <time.h>
#include <limits.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <termios.h>
#include <stdlib.h>
#include <ctype.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <netdb.h>
#include <sys/un.h>
#include <errno.h>
#include <signal.h>
#include <pwd.h>
#include <stdarg.h>
#include <errno.h>
#include <signal.h>
#include <malloc.h>
#include <stdarg.h>
#include <sys/select.h>
#include <dirent.h>
#include <libcitadel.h>
#include <limits.h>
#ifdef HAVE_PTHREAD_H
#include <pthread.h>
#endif
#ifdef HAVE_OPENSSL
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#endif
struct CtdlServInfo {
int pid;
char nodename[32];
char humannode[64];
char fqdn[64];
char software[64];
int rev_level;
char site_location[64];
char sysadm[64];
char moreprompt[256];
int ok_floors;
int supports_ldap;
int newuser_disabled;
char default_cal_zone[256];
double load_avg;
double worker_avg;
int thread_count;
int has_sieve;
int fulltext_enabled;
char svn_revision[256];
int guest_logins;
};
// This class is responsible for the server connection
typedef struct _CtdlIPC {
struct CtdlServInfo ServInfo; /* The server info for this connection */
#if defined(HAVE_OPENSSL)
SSL *ssl; /* NULL if not encrypted, non-NULL otherwise */
#endif
int sock; /* Socket for connection to server, or -1 if not connected */
int isLocal; /* 1 if server is local, 0 otherwise or if not connected */
int downloading; /* 1 if a download is open on the server, 0 otherwise */
int uploading; /* 1 if an upload is open on the server, 0 otherwise */
time_t last_command_sent; /* Time the last command was sent to the server */
char *Buf; /* Our buffer for linebuffered read. */
size_t BufSize;
size_t BufUsed;
char *BufPtr;
void (*network_status_cb)(int state); /* Callback for update on whether the IPC is locked */
char ip_hostname[256]; /* host name of server to which we are connected (if network) */
char ip_address[64]; /* IP address of server to which we are connected (if network) */
} CtdlIPC;
extern char *axdefs[];
extern char *viewdefs[];
extern char fullname[USERNAME_SIZE];
extern unsigned room_flags;
extern char room_name[ROOMNAMELEN];
extern struct CtdlServInfo serv_info;
extern char axlevel;
extern char is_room_aide;
extern unsigned userflags;
extern char sigcaught;
extern char editor_paths[MAX_EDITORS][SIZ];
extern char printcmd[SIZ];
extern char imagecmd[SIZ];
extern char have_xterm;
extern char rc_username[USERNAME_SIZE];
extern char rc_password[32];
extern char rc_floor_mode;
extern time_t rc_idle_threshold;
#ifdef HAVE_OPENSSL
extern char rc_encrypt; /* from the citadel.rc file */
extern char arg_encrypt; /* from the command line */
#endif
#if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
extern char rc_screen;
extern char arg_screen;
#endif
extern char rc_alt_semantics;
extern char instant_msgs;
void ctdl_logoff(char *file, int line, CtdlIPC *ipc, int code);
#define logoff(ipc, code) ctdl_logoff(__FILE__, __LINE__, (ipc), (code))
void formout(CtdlIPC *ipc, char *name);
void sighandler(int which_sig);
extern int secure;
void remove_march(char *roomname, int floornum);
void calc_dirs_n_files(int relh, int home, const char *relhome, char *ctdldir, int dbg);
typedef struct ExpirePolicy ExpirePolicy;
struct ExpirePolicy {
int expire_mode;
int expire_value;
};
// This struct stores a list of rooms with new messages which the client
// fetches from the server. This allows the client to "march" through
// relevant rooms without having to ask the server each time where to go next.
typedef struct march march;
struct march {
struct march *next;
char march_name[ROOMNAMELEN];
unsigned int march_flags;
char march_floor;
char march_order;
unsigned int march_flags2;
int march_access;
};
/*
* This is NOT the same 'struct ctdluser' from the server.
*/
typedef struct ctdluser ctdluser;
struct ctdluser { // User record
int version; // Cit vers. which created this rec
uid_t uid; // Associate with a unix account?
char password[32]; // password
unsigned flags; // See US_ flags below
long timescalled; // Total number of logins
long posted; // Number of messages ever submitted
uint8_t axlevel; // Access level
long usernum; // User number (never recycled)
time_t lastcall; // Date/time of most recent login
int USuserpurge; // Purge time (in days) for user
char fullname[64]; // Display name (primary identifier)
char emailaddrs[512]; // Internet email addresses
};
typedef struct ctdlroom ctdlroom;
struct ctdlroom {
char QRname[ROOMNAMELEN]; /* Name of room */
char QRpasswd[10]; /* Only valid if it's a private rm */
long QRroomaide; /* User number of room aide */
long QRhighest; /* Highest message NUMBER in room */
time_t QRgen; /* Generation number of room */
unsigned QRflags; /* See flag values below */
char QRdirname[15]; /* Directory name, if applicable */
long QRinfo; /* Info file update relative to msgs*/
char QRfloor; /* Which floor this room is on */
time_t QRmtime; /* Date/time of last post */
struct ExpirePolicy QRep; /* Message expiration policy */
long QRnumber; /* Globally unique room number */
char QRorder; /* Sort key for room listing order */
unsigned QRflags2; /* Additional flags */
int QRdefaultview; /* How to display the contents */
};
/* C constructor */
CtdlIPC* CtdlIPC_new(int argc, char **argv, char *hostbuf, char *portbuf);
/* C destructor */
void CtdlIPC_delete(CtdlIPC* ipc);
/* Convenience destructor; also nulls out caller's pointer */
void CtdlIPC_delete_ptr(CtdlIPC** pipc);
/* Read a line from server, discarding newline, for chat, will go away */
void CtdlIPC_chat_recv(CtdlIPC* ipc, char *buf);
/* Write a line to server, adding newline, for chat, will go away */
void CtdlIPC_chat_send(CtdlIPC* ipc, const char *buf);
struct ctdlipcroom {
char RRname[ROOMNAMELEN]; /* Name of room */
long RRunread; /* Number of unread messages */
long RRtotal; /* Total number of messages in room */
char RRinfoupdated; /* Nonzero if info was updated */
unsigned RRflags; /* Various flags (see LKRN) */
unsigned RRflags2; /* Various flags (see LKRN) */
long RRhighest; /* Highest message number in room */
long RRlastread; /* Highest message user has read */
char RRismailbox; /* Is this room a mailbox room? */
char RRaide; /* User can do aide commands in room */
long RRnewmail; /* Number of new mail messages */
char RRfloor; /* Which floor this room is on */
char RRcurrentview; /* The user's current view for this room */
char RRdefaultview; /* The default view for this room */
};
struct parts {
struct parts *next;
char number[16]; /* part number */
char name[PATH_MAX]; /* Name */
char filename[PATH_MAX]; /* Suggested filename */
char mimetype[SIZ]; /* MIME type */
char disposition[SIZ]; /* Content disposition */
unsigned long length; /* Content length */
};
struct ctdlipcmessage {
char msgid[SIZ]; /* Original message ID */
char path[SIZ]; /* Return path to sender */
char zaps[SIZ]; /* Message ID that this supersedes */
char subject[SIZ]; /* Message subject */
char email[SIZ]; /* Email address of sender */
char author[SIZ]; /* Sender of message */
char recipient[SIZ]; /* Recipient of message */
char room[SIZ]; /* Originating room */
struct parts *attachments; /* Available attachments */
char *text; /* Message text */
int type; /* Message type */
time_t time; /* Time message was posted */
char nhdr; /* Suppress message header? */
char anonymous; /* An anonymous message */
char mime_chosen[SIZ]; /* Chosen MIME part to output */
char content_type[SIZ]; /* How would you like that? */
char references[SIZ]; /* Thread references */
int is_local; /* Nonzero if the message originated on the local system */
};
struct ctdlipcfile {
char remote_name[PATH_MAX]; /* Filename on server */
char local_name[PATH_MAX]; /* Filename on client */
char description[80]; /* Description on server */
FILE *local_fd; /* Open file on client */
size_t size; /* Size of file in octets */
unsigned int upload:1; /* uploading? 0 if downloading */
unsigned int complete:1; /* Transfer has finished? */
};
struct ctdlipcmisc {
long newmail; /* Number of new Mail messages */
char needregis; /* Nonzero if user needs to register */
char needvalid; /* Nonzero if users need validation */
};
enum RoomList {
SubscribedRooms,
SubscribedRoomsWithNewMessages,
SubscribedRoomsWithNoNewMessages,
UnsubscribedRooms,
AllAccessibleRooms,
AllPublicRooms
};
#define AllFloors -1
enum MessageList {
AllMessages,
OldMessages,
NewMessages,
LastMessages,
FirstMessages,
MessagesGreaterThan,
MessagesLessThan
};
enum MessageDirection {
ReadReverse = -1,
ReadForward = 1
};
extern char file_citadel_rc[PATH_MAX];
extern char file_citadel_config[PATH_MAX];
/* Shared Diffie-Hellman parameters */
#define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
#define DH_G "2"
#define DH_L 4096
#define CIT_CIPHERS "ALL:RC4+RSA:+SSLv2:+TLSv1:!MD5:@STRENGTH" /* see ciphers(1) */
int CtdlIPCNoop(CtdlIPC *ipc);
int CtdlIPCEcho(CtdlIPC *ipc, const char *arg, char *cret);
int CtdlIPCQuit(CtdlIPC *ipc);
int CtdlIPCLogout(CtdlIPC *ipc);
int CtdlIPCTryLogin(CtdlIPC *ipc, const char *username, char *cret);
int CtdlIPCTryPassword(CtdlIPC *ipc, const char *passwd, char *cret);
int CtdlIPCTryApopPassword(CtdlIPC *ipc, const char *response, char *cret);
int CtdlIPCCreateUser(CtdlIPC *ipc, const char *username, int selfservice, char *cret);
int CtdlIPCChangePassword(CtdlIPC *ipc, const char *passwd, char *cret);
int CtdlIPCKnownRooms(CtdlIPC *ipc, enum RoomList which, int floor, struct march **listing, char *cret);
int CtdlIPCGetConfig(CtdlIPC *ipc, struct ctdluser **uret, char *cret);
int CtdlIPCSetConfig(CtdlIPC *ipc, struct ctdluser *uret, char *cret);
int CtdlIPCGotoRoom(CtdlIPC *ipc, const char *room, const char *passwd, struct ctdlipcroom **rret, char *cret);
int CtdlIPCGetMessages(CtdlIPC *ipc, enum MessageList which, int whicharg, const char *mtemplate, unsigned long **mret, char *cret);
int CtdlIPCGetSingleMessage(CtdlIPC *ipc, long msgnum, int headers, int as_mime, struct ctdlipcmessage **mret, char *cret);
int CtdlIPCWhoKnowsRoom(CtdlIPC *ipc, char **listing, char *cret);
int CtdlIPCServerInfo(CtdlIPC *ipc, char *cret);
int CtdlIPCReadDirectory(CtdlIPC *ipc, char **listing, char *cret);
int CtdlIPCSetLastRead(CtdlIPC *ipc, long msgnum, char *cret);
int CtdlIPCInviteUserToRoom(CtdlIPC *ipc, const char *username, char *cret);
int CtdlIPCKickoutUserFromRoom(CtdlIPC *ipc, const char *username, char *cret);
int CtdlIPCGetRoomAttributes(CtdlIPC *ipc, struct ctdlroom **qret, char *cret);
int CtdlIPCSetRoomAttributes(CtdlIPC *ipc, int forget, struct ctdlroom *qret, char *cret);
int CtdlIPCGetRoomAide(CtdlIPC *ipc, char *cret);
int CtdlIPCSetRoomAide(CtdlIPC *ipc, const char *username, char *cret);
int CtdlIPCPostMessage(CtdlIPC *ipc, int flag, int *subject_required, struct ctdlipcmessage *mr, char *cret);
int CtdlIPCRoomInfo(CtdlIPC *ipc, char **iret, char *cret);
int CtdlIPCDeleteMessage(CtdlIPC *ipc, long msgnum, char *cret);
int CtdlIPCMoveMessage(CtdlIPC *ipc, int copy, long msgnum, const char *destroom, char *cret);
int CtdlIPCDeleteRoom(CtdlIPC *ipc, int for_real, char *cret);
int CtdlIPCCreateRoom(CtdlIPC *ipc, int for_real, const char *roomname, int type, const char *password, int floor, char *cret);
int CtdlIPCForgetRoom(CtdlIPC *ipc, char *cret);
int CtdlIPCSystemMessage(CtdlIPC *ipc, const char *message, char **mret, char *cret);
int CtdlIPCNextUnvalidatedUser(CtdlIPC *ipc, char *cret);
int CtdlIPCGetUserRegistration(CtdlIPC *ipc, const char *username, char **rret, char *cret);
int CtdlIPCValidateUser(CtdlIPC *ipc, const char *username, int axlevel, char *cret);
int CtdlIPCSetRoomInfo(CtdlIPC *ipc, int for_real, const char *info, char *cret);
int CtdlIPCUserListing(CtdlIPC *ipc, char *searchstring, char **list, char *cret);
int CtdlIPCSetRegistration(CtdlIPC *ipc, const char *info, char *cret);
int CtdlIPCMiscCheck(CtdlIPC *ipc, struct ctdlipcmisc *chek, char *cret);
int CtdlIPCDeleteFile(CtdlIPC *ipc, const char *filename, char *cret);
int CtdlIPCMoveFile(CtdlIPC *ipc, const char *filename, const char *destroom, char *cret);
int CtdlIPCNetSendFile(CtdlIPC *ipc, const char *filename, const char *destnode, char *cret);
int CtdlIPCOnlineUsers(CtdlIPC *ipc, char **listing, time_t *stamp, char *cret);
int CtdlIPCFileDownload(CtdlIPC *ipc, const char *filename, void **buf, size_t resume, void (*progress_gauge_callback)(CtdlIPC*, unsigned long, unsigned long), char *cret);
int CtdlIPCAttachmentDownload(CtdlIPC *ipc, long msgnum, const char *part, void **buf, void (*progress_gauge_callback)(CtdlIPC*, unsigned long, unsigned long), char *cret);
int CtdlIPCImageDownload(CtdlIPC *ipc, const char *filename, void **buf, void (*progress_gauge_callback)(CtdlIPC*, unsigned long, unsigned long), char *cret);
int CtdlIPCFileUpload(CtdlIPC *ipc, const char *save_as, const char *comment, const char *path, void (*progress_gauge_callback)(CtdlIPC*, unsigned long, unsigned long), char *cret);
int CtdlIPCImageUpload(CtdlIPC *ipc, int for_real, const char *path, const char *save_as, void (*progress_gauge_callback)(CtdlIPC*, unsigned long, unsigned long), char *cret);
int CtdlIPCQueryUsername(CtdlIPC *ipc, const char *username, char *cret);
int CtdlIPCFloorListing(CtdlIPC *ipc, char **listing, char *cret);
int CtdlIPCCreateFloor(CtdlIPC *ipc, int for_real, const char *name, char *cret);
int CtdlIPCDeleteFloor(CtdlIPC *ipc, int for_real, int floornum, char *cret);
int CtdlIPCEditFloor(CtdlIPC *ipc, int floornum, const char *floorname, char *cret);
int CtdlIPCIdentifySoftware(CtdlIPC *ipc, int developerid, int clientid, int revision, const char *software_name, const char *hostname, char *cret);
int CtdlIPCSendInstantMessage(CtdlIPC *ipc, const char *username, const char *text, char *cret);
int CtdlIPCGetInstantMessage(CtdlIPC *ipc, char **listing, char *cret);
int CtdlIPCEnableInstantMessageReceipt(CtdlIPC *ipc, int mode, char *cret);
int CtdlIPCSetBio(CtdlIPC *ipc, char *bio, char *cret);
int CtdlIPCGetBio(CtdlIPC *ipc, const char *username, char **listing, char *cret);
int CtdlIPCListUsersWithBios(CtdlIPC *ipc, char **listing, char *cret);
int CtdlIPCStealthMode(CtdlIPC *ipc, int mode, char *cret);
int CtdlIPCTerminateSession(CtdlIPC *ipc, int sid, char *cret);
int CtdlIPCTerminateServerNow(CtdlIPC *ipc, char *cret);
int CtdlIPCTerminateServerScheduled(CtdlIPC *ipc, int mode, char *cret);
int CtdlIPCEnterSystemMessage(CtdlIPC *ipc, const char *filename, const char *text, char *cret);
time_t CtdlIPCServerTime(CtdlIPC *ipc, char *crert);
int CtdlIPCAideGetUserParameters(CtdlIPC *ipc, const char *who, struct ctdluser **uret, char *cret);
int CtdlIPCAideGetEmailAddresses(CtdlIPC *ipc, const char *who, char *, char *cret);
int CtdlIPCAideSetUserParameters(CtdlIPC *ipc, const struct ctdluser *uret, char *cret);
int CtdlIPCAideSetEmailAddresses(CtdlIPC *ipc, const char *who, char *emailaddrs, char *cret);
int CtdlIPCRenameUser(CtdlIPC *ipc, char *oldname, char *newname, char *cret);
int CtdlIPCGetMessageExpirationPolicy(CtdlIPC *ipc, GPEXWhichPolicy which, struct ExpirePolicy **policy, char *cret);
int CtdlIPCSetMessageExpirationPolicy(CtdlIPC *ipc, int which, struct ExpirePolicy *policy, char *cret);
int CtdlIPCGetSystemConfig(CtdlIPC *ipc, char **listing, char *cret);
int CtdlIPCSetSystemConfig(CtdlIPC *ipc, const char *listing, char *cret);
int CtdlIPCGetSystemConfigByType(CtdlIPC *ipc, const char *mimetype, char **listing, char *cret);
int CtdlIPCSetSystemConfigByType(CtdlIPC *ipc, const char *mimetype, const char *listing, char *cret);
int CtdlIPCGetRoomNetworkConfig(CtdlIPC *ipc, char **listing, char *cret);
int CtdlIPCSetRoomNetworkConfig(CtdlIPC *ipc, const char *listing, char *cret);
int CtdlIPCRequestClientLogout(CtdlIPC *ipc, int session, char *cret);
int CtdlIPCSetMessageSeen(CtdlIPC *ipc, long msgnum, int seen, char *cret);
int CtdlIPCStartEncryption(CtdlIPC *ipc, char *cret);
int CtdlIPCDirectoryLookup(CtdlIPC *ipc, const char *address, char *cret);
int CtdlIPCSpecifyPreferredFormats(CtdlIPC *ipc, char *cret, char *formats);
int CtdlIPCInternalProgram(CtdlIPC *ipc, int secret, char *cret);
/* ************************************************************************** */
/* Stuff below this line is not for public consumption */
/* ************************************************************************** */
char *CtdlIPCReadListing(CtdlIPC *ipc, char *dest);
int CtdlIPCSendListing(CtdlIPC *ipc, const char *listing);
size_t CtdlIPCPartialRead(CtdlIPC *ipc, void **buf, size_t offset, size_t bytes, char *cret);
int CtdlIPCEndUpload(CtdlIPC *ipc, int discard, char *cret);
int CtdlIPCWriteUpload(CtdlIPC *ipc, FILE *uploadFP, void (*progress_gauge_callback)(CtdlIPC*, unsigned long, unsigned long), char *cret);
int CtdlIPCEndDownload(CtdlIPC *ipc, char *cret);
int CtdlIPCReadDownload(CtdlIPC *ipc, void **buf, size_t bytes, size_t resume, void (*progress_gauge_callback)(CtdlIPC*, unsigned long, unsigned long), char *cret);
int CtdlIPCHighSpeedReadDownload(CtdlIPC *ipc, void **buf, size_t bytes, size_t resume, void (*progress_gauge_callback)(CtdlIPC*, unsigned long, unsigned long), char *cret);
int CtdlIPCGenericCommand(CtdlIPC *ipc, const char *command, const char *to_send, size_t bytes_to_send, char **to_receive, size_t *bytes_to_receive, char *proto_response);
/* Internals */
int starttls(CtdlIPC *ipc);
void setCryptoStatusHook(void (*hook)(char *s));
void CtdlIPC_SetNetworkStatusCallback(CtdlIPC *ipc, void (*hook)(int state));
extern int (*error_printf)(char *s, ...);
void setIPCDeathHook(void (*hook)(void));
void setIPCErrorPrintf(int (*func)(char *s, ...));
void connection_died(CtdlIPC* ipc, int using_ssl);
int CtdlIPC_getsockfd(CtdlIPC* ipc);
char CtdlIPC_get(CtdlIPC* ipc);
void CtdlIPC_lock(CtdlIPC *ipc);
void CtdlIPC_unlock(CtdlIPC *ipc);
char *libcitadelclient_version_string(void);
void chatmode(CtdlIPC *ipc);
void page_user(CtdlIPC *ipc);
void quiet_mode(CtdlIPC *ipc);
void stealth_mode(CtdlIPC *ipc);
extern char last_paged[];
void determine_pwfilename(char *pwfile, size_t n);
void get_stored_password( char *host, char *port, char *username, char *password);
void set_stored_password( char *host, char *port, char *username, char *password);
void offer_to_remember_password(CtdlIPC *ipc, char *host, char *port, char *username, char *password);
void load_command_set(void);
void stty_ctdl(int cmd);
void newprompt(char *prompt, char *str, int len);
void strprompt(char *prompt, char *str, int len);
int boolprompt(char *prompt, int prev_val);
int intprompt(char *prompt, int ival, int imin, int imax);
int fmout(int width, FILE *fpin, char *text, FILE *fpout, int subst);
int getcmd(CtdlIPC *ipc, char *argbuf);
void display_help(CtdlIPC *ipc, char *name);
void color(int colornum);
void cls(int colornum);
void send_ansi_detect(void);
void look_for_ansi(void);
int inkey(void);
void set_keepalives(int s);
extern int enable_color;
int yesno(void);
int yesno_d(int d);
void keyopt(char *);
char keymenu(char *menuprompt, char *menustring);
void async_ka_start(void);
void async_ka_end(void);
int checkpagin(int lp, unsigned int pagin, unsigned int height);
char was_a_key_pressed(void);
#ifdef __GNUC__
void pprintf(const char *format, ...) __attribute__((__format__(__printf__,1,2)));
#else
void pprintf(const char *format, ...);
#endif
extern char rc_url_cmd[SIZ];
extern char rc_open_cmd[SIZ];
extern char rc_gotmail_cmd[SIZ];
extern int lines_printed;
extern int rc_remember_passwords;
#ifndef MD5_H
#define MD5_H
struct MD5Context {
uint32_t buf[4];
uint32_t bits[2];
uint32_t in[16];
};
void MD5Init(struct MD5Context *context);
void MD5Update(struct MD5Context *context, unsigned char const *buf, unsigned len);
void MD5Final(unsigned char digest[16], struct MD5Context *context);
void MD5Transform(uint32_t buf[4], uint32_t const in[16]);
char *make_apop_string(char *realpass, char *nonce, char *buffer, size_t n);
/*
* This is needed to make RSAREF happy on some MS-DOS compilers.
*/
#ifndef HAVE_OPENSSL
typedef struct MD5Context MD5_CTX;
#endif
#define MD5_DIGEST_LEN 16
#define MD5_HEXSTRING_SIZE 33
#endif /* !MD5_H */
#define MAXURLS 50 // Max embedded URL's per message (oooh, can we use our elastic array class here?)
extern int num_urls;
extern char urls[MAXURLS][SIZ];
int ka_system(char *shc);
int entmsg(CtdlIPC *ipc, int is_reply, int c, int masquerade);
void readmsgs(CtdlIPC *ipc, enum MessageList c, enum MessageDirection rdir, int q);
void edit_system_message(CtdlIPC *ipc, char *which_message);
pid_t ka_wait(int *kstatus);
void list_urls(CtdlIPC *ipc);
int client_make_message(CtdlIPC *ipc,
char *filename, /* temporary file name */
char *recipient, /* NULL if it's not mail */
int anon_type, /* see MES_ types in header file */
int format_type,
int mode,
char *subject,
int subject_required
);
void citedit(FILE *);
char *load_message_from_file(FILE *src);
int file_checksum(char *filename);
void listzrooms(CtdlIPC *ipc);
void readinfo(CtdlIPC *ipc);
void forget(CtdlIPC *ipc);
void entroom(CtdlIPC *ipc);
void killroom(CtdlIPC *ipc);
void invite(CtdlIPC *ipc);
void kickout(CtdlIPC *ipc);
void editthisroom(CtdlIPC *ipc);
void roomdir(CtdlIPC *ipc);
void download(CtdlIPC *ipc, int proto);
void ungoto(CtdlIPC *ipc);
void dotungoto(CtdlIPC *ipc, char *towhere);
void whoknows(CtdlIPC *ipc);
void enterinfo(CtdlIPC *ipc);
void knrooms(CtdlIPC *ipc, int kn_floor_mode);
void dotknown(CtdlIPC *ipc, int what, char *match);
void load_floorlist(CtdlIPC *ipc);
void create_floor(CtdlIPC *ipc);
void edit_floor(CtdlIPC *ipc);
void kill_floor(CtdlIPC *ipc);
void enter_bio(CtdlIPC *ipc);
int save_buffer(void *file, size_t filelen, const char *pathname);
void destination_directory(char *dest, const char *supplied_filename);
void do_edit(CtdlIPC *ipc, char *desc, char *read_cmd, char *check_cmd, char *write_cmd);
/*
* This struct holds a list of rooms for client display.
* (oooh, a tree!)
*/
struct ctdlroomlisting {
struct ctdlroomlisting *lnext;
struct ctdlroomlisting *rnext;
char rlname[ROOMNAMELEN];
unsigned rlflags;
int rlfloor;
int rlorder;
};
enum {
LISTRMS_NEW_ONLY,
LISTRMS_OLD_ONLY,
LISTRMS_ALL
};
void updatels(CtdlIPC *ipc);
void updatelsa(CtdlIPC *ipc);
void movefile(CtdlIPC *ipc);
void deletefile(CtdlIPC *ipc);
void netsendfile(CtdlIPC *ipc);
void entregis(CtdlIPC *ipc);
void subshell(void);
void upload(CtdlIPC *ipc, int c);
void cli_upload(CtdlIPC *ipc);
void validate(CtdlIPC *ipc);
void read_bio(CtdlIPC *ipc);
void cli_image_upload(CtdlIPC *ipc, char *keyname);
int room_prompt(unsigned int qrflags);
int val_user(CtdlIPC *ipc, char *user, int do_validate);
void edituser(CtdlIPC *ipc, int cmd);
void interr(int errnum);
int struncmp(char *lstr, char *rstr, int len);
int pattern(char *search, char *patn);
void enter_config(CtdlIPC* ipc, int mode);
void locate_host(CtdlIPC* ipc, char *hbuf);
void misc_server_cmd(CtdlIPC *ipc, char *cmd);
int nukedir(char *dirname);
void strproc(char *string);
void back(int spaces);
void progress(CtdlIPC* ipc, unsigned long curr, unsigned long cmax);
int set_attr(CtdlIPC *ipc, unsigned int sval, char *prompt, unsigned int sbit, int backwards);
void screen_new(void);
int scr_printf(char *fmt, ...);
#define SCR_NOBLOCK 0
#define SCR_BLOCK -1
int scr_getc(int delay);
int scr_putc(int c);
void scr_flush(void);
int scr_blockread(void);
sighandler_t scr_winch(int signum);
void wait_indicator(int state);
void ctdl_beep(void);
void scr_wait_indicator(int);
extern char status_line[];
extern void check_screen_dims(void);
extern int screenwidth;
extern int screenheight;
void do_internet_configuration(CtdlIPC *ipc);
void network_config_management(CtdlIPC *ipc, char *entrytype, char *comment);
void do_pop3client_configuration(CtdlIPC *ipc);
void do_rssclient_configuration(CtdlIPC *ipc);
void do_system_configuration(CtdlIPC *ipc);
extern char editor_path[PATH_MAX];
extern int enable_status_line;