-/*
- * Main declarations file for the Citadel server
- *
- * Copyright (c) 1987-2023 by the citadel.org team
- *
- * This program is open source software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public 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.
- */
+// Data types for the Citadel Server
+//
+// Copyright (c) 1987-2023 by the citadel.org team
+//
+// This program is open source software. Use, duplication, or disclosure
+// is subject to the terms of the GNU General Public License, version 3.
#ifndef SERVER_H
#define SERVER_H
#define INLINE
#endif
-#include "citadel.h"
+#include "citadel_defs.h"
#ifdef HAVE_OPENSSL
-#define OPENSSL_NO_KRB5 /* work around redhat b0rken ssl headers */
+#define OPENSSL_NO_KRB5 // work around redhat b0rken ssl headers
#include <openssl/ssl.h>
#endif
-/*
- * New format for a message in memory
- */
+// New format for a message in memory
struct CtdlMessage {
- int cm_magic; /* Self-check (NOT SAVED TO DISK) */
- char cm_anon_type; /* Anonymous or author-visible */
- char cm_format_type; /* Format type */
- char *cm_fields[256]; /* Data fields */
- long cm_lengths[256]; /* size of datafields */
- unsigned int cm_flags; /* How to handle (NOT SAVED TO DISK) */
+ int cm_magic; // Self-check (NOT SAVED TO DISK)
+ char cm_anon_type; // Anonymous or author-visible
+ char cm_format_type; // Format type
+ char *cm_fields[256]; // Data fields
+ long cm_lengths[256]; // size of datafields
+ unsigned int cm_flags; // How to handle (NOT SAVED TO DISK)
};
-#define CTDLMESSAGE_MAGIC 0x159d
-#define CM_SKIP_HOOKS 0x01 /* Don't run server-side handlers */
+#define CTDLMESSAGE_MAGIC 0x159d
+#define CM_SKIP_HOOKS 0x01 // Don't run server-side handlers
-/* Data structure returned by validate_recipients() */
+// Data structure returned by validate_recipients()
struct recptypes {
int recptypes_magic;
int num_local;
#define CTDLEXIT_SHUTDOWN 0 // Normal shutdown; do NOT auto-restart
-/*
- * Exit codes 101 through 109 are used for conditions in which
- * we deliberately do NOT want the service to automatically
- * restart.
- */
+// Exit codes 101 through 109 are used for conditions in which
+// we deliberately do NOT want the service to automatically
+// restart.
#define CTDLEXIT_CONFIG 101 // Could not read system configuration
#define CTDLEXIT_HOME 103 // Citadel home directory not found
#define CTDLEXIT_DB 105 // Unable to initialize database
#define CTDLEXIT_UNUSER 108 // Could not determine uid to run as
#define CTDLEXIT_CRYPTO 109 // Problem initializing SSL or TLS
-/*
- * Reasons why a session would be terminated (set CC->kill_me to these values)
- */
+// Any other exit is likely to be from an unexpected abort (segfault etc)
+// and we want to try restarting.
+
+
+
+// Reasons why a session would be terminated (set CC->kill_me to these values)
enum {
KILLME_NOT,
KILLME_UNKNOWN,
};
-#define CS_STEALTH 1 /* stealth mode */
-#define CS_CHAT 2 /* chat mode */
-#define CS_POSTING 4 /* Posting */
+#define CS_STEALTH 1 // stealth mode
+#define CS_CHAT 2 // chat mode
+#define CS_POSTING 4 // posting
extern int ScheduledShutdown;
extern uid_t ctdluid;
struct ExpressMessage {
struct ExpressMessage *next;
- time_t timestamp; /* When this message was sent */
- unsigned flags; /* Special instructions */
- char sender[256]; /* Name of sending user */
- char sender_email[256]; /* Email or JID of sending user */
- char *text; /* Message text (if applicable) */
+ time_t timestamp; // When this message was sent
+ unsigned flags; // Special instructions
+ char sender[256]; // Name of sending user
+ char sender_email[256]; // Email or JID of sending user
+ char *text; // Message text (if applicable)
};
-#define EM_BROADCAST 1 /* Broadcast message */
-#define EM_GO_AWAY 2 /* Server requests client log off */
-#define EM_CHAT 4 /* Server requests client enter chat */
+#define EM_BROADCAST 1 // Broadcast message
+#define EM_GO_AWAY 2 // Server requests client log off
+#define EM_CHAT 4 // Server requests client enter chat
-/*
- * Various things we need to lock and unlock
- */
+// Various things we need to lock and unlock
enum {
S_USERS,
S_ROOMS,
S_SINGLE_USER,
S_IM_LOGS,
S_OPENSSL,
+ S_SMTPQUEUE,
MAX_SEMAPHORES
};
-/*
- * message transfer formats
- */
+// message transfer formats
enum {
- MT_CITADEL, /* Citadel proprietary */
- MT_RFC822, /* RFC822 */
- MT_MIME, /* MIME-formatted message */
- MT_DOWNLOAD, /* Download a component */
- MT_SPEW_SECTION /* Download a component in a single operation */
+ MT_CITADEL, // Citadel proprietary
+ MT_RFC822, // RFC822
+ MT_MIME, // MIME-formatted message
+ MT_DOWNLOAD, // Download a component
+ MT_SPEW_SECTION // Download a component in a single operation
};
-/*
- * Message format types in the database
- */
-#define FMT_CITADEL 0 /* Citadel vari-format (proprietary) */
-#define FMT_FIXED 1 /* Fixed format (proprietary) */
-#define FMT_RFC822 4 /* Standard (headers are in M field) */
+// Message format types in the database
+#define FMT_CITADEL 0 // Citadel vari-format (proprietary)
+#define FMT_FIXED 1 // Fixed format (proprietary)
+#define FMT_RFC822 4 // Standard (headers are in M field)
-/*
- * Citadel DataBases (define one for each cdb we need to open)
- */
+// citadel database tables (define one for each cdb we need to open)
enum {
- CDB_MSGMAIN, /* message base */
- CDB_USERS, /* user file */
- CDB_ROOMS, /* room index */
- CDB_FLOORTAB, /* floor index */
- CDB_MSGLISTS, /* room message lists */
- CDB_VISIT, /* user/room relationships */
- CDB_DIRECTORY, /* address book directory */
- CDB_USETABLE, /* network use table */
- CDB_BIGMSGS, /* larger message bodies */
- CDB_FULLTEXT, /* full text search index */
- CDB_EUIDINDEX, /* locate msgs by EUID */
- CDB_USERSBYNUMBER, /* index of users by number */
- CDB_EXTAUTH, /* associates OpenIDs with users */
- CDB_CONFIG, /* system configuration database */
- MAXCDB /* total number of CDB's defined */
+ CDB_MSGMAIN, // message base
+ CDB_USERS, // user file
+ CDB_ROOMS, // room index
+ CDB_FLOORTAB, // floor index
+ CDB_MSGLISTS, // room message lists
+ CDB_VISIT, // user/room relationships
+ CDB_DIRECTORY, // address book directory
+ CDB_USETABLE, // network use table
+ CDB_BIGMSGS, // larger message bodies
+ CDB_FULLTEXT, // full text search index
+ CDB_EUIDINDEX, // locate msgs by EUID
+ CDB_USERSBYNUMBER, // index of users by number
+ CDB_EXTAUTH, // associates OpenIDs with users
+ CDB_CONFIG, // system configuration database
+ MAXCDB // total number of CDB's defined
};
struct cdbdata {
};
-/*
- * Event types can't be enum'ed, because they must remain consistent between
- * builds (to allow for binary modules built somewhere else)
- */
-#define EVT_STOP 0 /* Session is terminating */
-#define EVT_START 1 /* Session is starting */
-#define EVT_LOGIN 2 /* A user is logging in */
-#define EVT_NEWROOM 3 /* Changing rooms */
-#define EVT_LOGOUT 4 /* A user is logging out */
-#define EVT_SETPASS 5 /* Setting or changing password */
-#define EVT_CMD 6 /* Called after each server command */
-#define EVT_RWHO 7 /* An RWHO command is being executed */
-#define EVT_ASYNC 8 /* Doing asynchronous messages */
-#define EVT_STEALTH 9 /* Entering stealth mode */
-#define EVT_UNSTEALTH 10 /* Exiting stealth mode */
-
-#define EVT_TIMER 50 /* Timer events are called once per minute
- and are not tied to any session */
-#define EVT_HOUSE 51 /* as needed houskeeping stuff */
-#define EVT_SHUTDOWN 52 /* Server is shutting down */
-
-#define EVT_PURGEUSER 100 /* Deleting a user */
-#define EVT_NEWUSER 102 /* Creating a user */
-
-#define EVT_BEFORESAVE 201
-#define EVT_AFTERSAVE 202
-#define EVT_SMTPSCAN 203 /* called before submitting a msg from SMTP */
-#define EVT_AFTERUSRMBOXSAVE 204 /* called afte a message was saved into a users inbox */
+// Event types for hooks
+enum {
+ EVT_STOP, // Session is terminating
+ EVT_START, // Session is starting
+ EVT_LOGIN, // A user is logging in
+ EVT_NEWROOM, // Changing rooms
+ EVT_LOGOUT, // A user is logging out
+ EVT_SETPASS, // Setting or changing password
+ EVT_CMD, // Called after each server command
+ EVT_RWHO, // An RWHO command is being executed
+ EVT_ASYNC, // Doing asynchronous messages
+ EVT_STEALTH, // Entering stealth mode
+ EVT_UNSTEALTH, // Exiting stealth mode
+ EVT_TIMER, // Timer events are called once per minute and are not tied to any session
+ EVT_HOUSE, // as needed houskeeping stuff
+ EVT_SHUTDOWN, // Server is shutting down
+ EVT_PURGEUSER, // Deleting a user
+ EVT_NEWUSER, // Creating a user
+ EVT_BEFORESAVE,
+ EVT_AFTERSAVE,
+ EVT_SMTPSCAN, // called before submitting a msg from SMTP
+ EVT_AFTERUSRMBOXSAVE // called afte a message was saved into a users inbox
+};
+
+
/* Priority levels for paging functions (lower is better) */
enum {
- XMSG_PRI_LOCAL, /* Other users on -this- server */
- XMSG_PRI_REMOTE, /* Other users on a Citadel network (future) */
- XMSG_PRI_FOREIGN, /* Contacts on foreign instant message hosts */
+ XMSG_PRI_LOCAL, // Other users on -this- server
+ XMSG_PRI_REMOTE, // Other users on a Citadel network
+ XMSG_PRI_FOREIGN, // Contacts on foreign instant message hosts
MAX_XMSG_PRI
};
-/* Defines the relationship of a user to a particular room */
+// Defines the relationship of a user to a particular room
typedef struct __visit {
long v_roomnum;
long v_roomgen;
int v_view;
} visit;
-#define V_FORGET 1 /* User has zapped this room */
-#define V_LOCKOUT 2 /* User is locked out of this room */
-#define V_ACCESS 4 /* Access is granted to this room */
+#define V_FORGET 1 // User has zapped this room
+#define V_LOCKOUT 2 // User is locked out of this room
+#define V_ACCESS 4 // Access is granted to this room
-/* Supplementary data for a message on disk
- * These are kept separate from the message itself for one of two reasons:
- * 1. Either their values may change at some point after initial save, or
- * 2. They are merely caches of data which exist somewhere else, for speed.
- * DO NOT PUT BIG DATA IN HERE ... we need this struct to be tiny for lots of quick r/w
- */
+// Supplementary data for a message on disk
+// These are kept separate from the message itself for one of two reasons:
+// 1. Either their values may change at some point after initial save, or
+// 2. They are merely caches of data which exist somewhere else, for speed.
+// DO NOT PUT BIG DATA IN HERE ... we need this struct to be tiny for lots of quick r/w
struct MetaData {
- long meta_msgnum; /* Message number in *local* message base */
- int meta_refcount; /* Number of rooms pointing to this msg */
- char meta_content_type[64]; /* Cached MIME content-type */
- long meta_rfc822_length; /* Cache of RFC822-translated msg length */
+ long meta_msgnum; // Message number in *local* message base
+ int meta_refcount; // Number of rooms pointing to this msg
+ char meta_content_type[64]; // Cached MIME content-type
+ long meta_rfc822_length; // Cache of RFC822-translated msg length
};
-/* Calls to AdjRefCount() are queued and deferred, so the user doesn't
- * have to wait for various disk-intensive operations to complete synchronously.
- * This is the record format.
- */
+// Calls to AdjRefCount() are queued and deferred, so the user doesn't
+// have to wait for various disk-intensive operations to complete synchronously.
+// This is the record format.
struct arcq {
- long arcq_msgnum; /* Message number being adjusted */
- int arcq_delta; /* Adjustment ( usually 1 or -1 ) */
+ long arcq_msgnum; // Message number being adjusted
+ int arcq_delta; // Adjustment ( usually 1 or -1 )
};
-/*
- * Serialization routines use this struct to return a pointer and a length
- */
+// Serialization routines use this struct to return a pointer and a length
struct ser_ret {
size_t len;
unsigned char *ser;
};
-/*
- * The S_USETABLE database is used in several modules now, so we define its format here.
- */
+// The S_USETABLE database is used in several modules now, so we define its format here.
struct UseTable {
char ut_msgid[SIZ];
time_t ut_timestamp;
};
-/*
- * These one-byte field headers are found in the Citadel message store.
- */
+// These one-byte field headers are found in the Citadel message store.
typedef enum _MsgField {
eAuthor = 'A',
eBig_message = 'B',
eVltMsgNum = '3'
} eMsgField;
-#endif /* SERVER_H */
+
+// User records.
+typedef struct ctdluser ctdluser;
+struct ctdluser { // User record
+ int version; // Citadel version which created this record
+ 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
+ cit_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)
+ long msgnum_bio; // msgnum of user's profile (bio)
+ long msgnum_pic; // msgnum of user's avatar (photo)
+ char emailaddrs[512]; // Internet email addresses
+ long msgnum_inboxrules; // msgnum of user's inbox filtering rules
+ long lastproc_inboxrules; // msgnum of last message filtered
+};
+
+
+// Message expiration policy stuff
+typedef struct ExpirePolicy ExpirePolicy;
+struct ExpirePolicy {
+ int expire_mode;
+ int expire_value;
+};
+
+#define EXPIRE_NEXTLEVEL 0 // Inherit expiration policy
+#define EXPIRE_MANUAL 1 // Don't expire messages at all
+#define EXPIRE_NUMMSGS 2 // Keep only latest n messages
+#define EXPIRE_AGE 3 // Expire messages after n days
+
+// Room records.
+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 msgnum_info; // msgnum of room banner (info file)
+ 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
+ long msgnum_pic; // msgnum of room picture or icon
+};
+
+// Private rooms are always flagged with QR_PRIVATE. If neither QR_PASSWORDED
+// or QR_GUESSNAME is set, then it is invitation-only. Passworded rooms are
+// flagged with both QR_PRIVATE and QR_PASSWORDED while guess-name rooms are
+// flagged with both QR_PRIVATE and QR_GUESSNAME. NEVER set all three flags.
+
+// Floor record. The floor number is implicit in its location in the file.
+struct floor {
+ unsigned short f_flags; // flags
+ char f_name[256]; // name of floor
+ int f_ref_count; // reference count
+ struct ExpirePolicy f_ep; // default expiration policy
+};
+
+#define F_INUSE 1 // floor is in use
+
+
+#endif // SERVER_H
projects / citadel.git / blobdiff