-/* $Id$ */
#ifndef SERVER_H
#include "citadel.h"
#ifdef HAVE_OPENSSL
+#define OPENSSL_NO_KRB5 /* work around redhat b0rken ssl headers */
#include <openssl/ssl.h>
#endif
#define CM_SKIP_HOOKS 0x01 /* Don't run server-side handlers */
-/*
- * Generic per-session variable or data structure storage
- */
-struct CtdlSessData {
- struct CtdlSessData *next;
- unsigned long sym_id;
- void *sym_data;
-};
-
-/*
- * Static user data symbol types. Server extensions can ask for dynamic
- * extensions to per-session data, but the symbol ID has to be listed here.
- */
-enum {
- SYM_DESIRED_SECTION, /* Used by the MIME parser */
- SYM_MA_INFO, /* Handles multipart/alternative */
- SYM_REPL, /* Used for replication checking */
- SYM_CIT_ICAL, /* Used by the calendar service */
- SYM_IMAP, /* Used by the IMAP service */
- SYM_POP3, /* Used by the POP3 service */
- SYM_SMTP, /* Used by the SMTP service */
- SYM_SMTP_RECPS,
- SYM_SMTP_ROOMS,
- SYM_VCARD, /* vCard handling requires this */
- SYM_MAX
-};
+#define CTDLEXIT_SHUTDOWN 0 /* Normal shutdown; do NOT auto-restart */
/*
- * Here's the big one... the Citadel context structure.
- *
- * This structure keeps track of all information relating to a running
- * session on the server. We keep one of these for each session thread.
- *
- * Note that the first element is "*next" so that it may be used without
- * modification in a linked list.
+ * Exit codes 101 through 109 are used for conditions in which
+ * we deliberately do NOT want the service to automatically
+ * restart.
*/
-struct CitContext {
- struct CitContext *next; /* Link to next session in the list */
-
- struct ctdluser user; /* Database record buffers */
- struct ctdlroom room;
-
- int state; /* thread state (see CON_ values below) */
- int kill_me; /* Set to nonzero to flag for termination */
-
- char curr_user[USERNAME_SIZE]; /* name of current user */
- int logged_in; /* logged in */
- int internal_pgm; /* authenticated as internal program */
- char temp[PATH_MAX]; /* temp file name */
- int nologin; /* not allowed to log in */
- int is_local_socket; /* set to 1 if client is on unix domain sock */
-
- char net_node[PATH_MAX];/* Is the client another Citadel server? */
- int client_socket;
- int cs_pid; /* session ID */
- time_t lastcmd; /* time of last command executed */
- time_t lastidle; /* For computing idle time */
- time_t previous_login; /* Date/time of previous login */
- char lastcmdname[5]; /* name of last command executed */
- unsigned cs_flags; /* miscellaneous flags */
- void (*h_command_function) (void) ; /* service command function */
- void (*h_async_function) (void) ; /* do async msgs function */
- int is_async; /* Nonzero if client accepts async msgs */
- int async_waiting; /* Nonzero if there are async msgs waiting */
- int input_waiting; /* Nonzero if there is client input waiting */
-
- /* feeping creaturisms... */
- int cs_clientdev; /* client developer ID */
- int cs_clienttyp; /* client type code */
- int cs_clientver; /* client version number */
- char cs_clientname[32]; /* name of client software */
- char cs_host[64]; /* host logged in from */
- char cs_addr[64]; /* address logged in from */
-
- /* The Internet type of thing */
- char cs_inet_email[SIZ];/* Return address of outbound Internet mail */
-
- FILE *download_fp; /* Fields relating to file transfer */
- FILE *upload_fp;
- char upl_file[PATH_MAX];
- char upl_path[PATH_MAX];
- char upl_comment[SIZ];
- char upl_filedir[PATH_MAX];
- char dl_is_net;
- char upload_type;
-
- /* Beginning of cryptography - session nonce */
- char cs_nonce[NONCE_SIZE]; /* The nonce for this session's next auth transaction */
-
- /* Redirect this session's output to somewhere else? */
- FILE *redirect_fp;
- int redirect_sock;
-#ifdef HAVE_OPENSSL
- SSL *ssl;
- int redirect_ssl;
-#endif
-
- int buffering;
- char *output_buffer; /* hold output for one big dump */
- int buffer_len;
-
- /* A linked list of all instant messages sent to us. */
- struct ExpressMessage *FirstExpressMessage;
- int disable_exp; /* Set to 1 to disable incoming pages */
- int newmail; /* Other sessions increment this */
-
- /* Masquerade... */
- char fake_username[USERNAME_SIZE]; /* Fake username <bc> */
- char fake_postname[USERNAME_SIZE]; /* Fake postname <bc> */
- char fake_hostname[64]; /* Fake hostname <bc> */
- char fake_roomname[ROOMNAMELEN]; /* Fake roomname <bc> */
-
- char preferred_formats[SIZ]; /* Preferred MIME formats */
-
- /* Dynamically allocated session data */
- struct CtdlSessData *FirstSessData;
-};
-
-typedef struct CitContext t_context;
+#define CTDLEXIT_CONFIG 101 /* Could not read citadel.config */
+#define CTDLEXIT_CONTROL 102 /* Could not acquire lock */
+#define CTDLEXIT_HOME 103 /* Citadel home directory not found */
+#define CTDLEXIT_OOD 104 /* Out Of Date config - rerun setup */
+#define CTDLEXIT_DB 105 /* Unable to initialize database */
+#define CTDLEXIT_LIBCITADEL 106 /* Incorrect version of libcitadel */
+#define CTDL_EXIT_UNSUP_AUTH 107 /* Unsupported auth mode configured */
/*
- * Values for CitContext.state
- *
- * A session that is doing nothing is in CON_IDLE state. When activity
- * is detected on the socket, it goes to CON_READY, indicating that it
- * needs to have a worker thread bound to it. When a thread binds to
- * the session, it goes to CON_EXECUTING and does its thing. When the
- * transaction is finished, the thread sets it back to CON_IDLE and lets
- * it go.
+ * Reasons why a session would be terminated (set CC->kill_me to these values)
*/
enum {
- CON_IDLE, /* This context is doing nothing */
- CON_READY, /* This context needs attention */
- CON_EXECUTING, /* This context is bound to a thread */
+ KILLME_NOT,
+ KILLME_UNKNOWN,
+ KILLME_CLIENT_LOGGED_OUT,
+ KILLME_IDLE,
+ KILLME_CLIENT_DISCONNECTED,
+ KILLME_AUTHFAILED,
+ KILLME_SERVER_SHUTTING_DOWN,
+ KILLME_MAX_SESSIONS_EXCEEDED,
+ KILLME_ADMIN_TERMINATE,
+ KILLME_SELECT_INTERRUPTED,
+ KILLME_SELECT_FAILED,
+ KILLME_WRITE_FAILED,
+ KILLME_SIMULATION_WORKER,
+ KILLME_NOLOGIN,
+ KILLME_NO_CRYPTO,
+ KILLME_READSTRING_FAILED,
+ KILLME_MALLOC_FAILED,
+ KILLME_QUOTA,
+ KILLME_READ_FAILED,
+ KILLME_ILLEGAL_MANAGESIEVE_COMMAND,
+ KILLME_SPAMMER,
+ KILLME_XML_PARSER
};
#define CS_CHAT 2 /* chat mode */
#define CS_POSTING 4 /* Posting */
-struct CitContext *MyContext(void);
-#define CC MyContext()
-extern struct CitContext *ContextList;
+/*
+ * This is the control record for the message base...
+ */
+struct CitControl {
+ long MMhighest; /* highest message number in file */
+ unsigned MMflags; /* Global system flags */
+ long MMnextuser; /* highest user number on system */
+ long MMnextroom; /* highest room number on system */
+ int version; /* Server-hosted upgrade level */
+ int fulltext_wordbreaker; /* ID of wordbreaker in use */
+ long MMfulltext; /* highest message number indexed */
+ int MMdbversion; /* Version of Berkeley DB used on previous server run */
+};
+
extern int ScheduledShutdown;
extern struct CitControl CitControl;
-
struct ExpressMessage {
struct ExpressMessage *next;
time_t timestamp; /* When this message was sent */
unsigned flags; /* Special instructions */
- char sender[64]; /* Name of sending user */
+ 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_GO_AWAY 2 /* Server requests client log off */
#define EM_CHAT 4 /* Server requests client enter chat */
-struct ChatLine {
- struct ChatLine *next;
- int chat_seq;
- time_t chat_time;
- char chat_text[SIZ];
- char chat_username[USERNAME_SIZE];
- char chat_room[ROOMNAMELEN];
-};
-
/*
* Various things we need to lock and unlock
*/
S_FLOORTAB,
S_CHATQUEUE,
S_CONTROL,
- S_DATABASE,
S_NETDB,
S_SUPPMSGMAIN,
- S_I_WANNA_SELECT,
S_CONFIG,
- S_WORKER_LIST,
S_HOUSEKEEPING,
S_NTTLIST,
S_DIRECTORY,
S_NETCONFIGS,
S_PUBLIC_CLIENTS,
- S_LDAP,
S_FLOORCACHE,
- S_DEBUGMEMLEAKS,
+ S_ATBF,
+ S_JOURNAL_QUEUE,
+ S_RPLIST,
+ S_SIEVELIST,
+ S_CHKPWD,
+ S_LOG,
+ S_NETSPOOL,
+ S_XMPP_QUEUE,
+ S_SCHEDULE_LIST,
+ S_SINGLE_USER,
+ S_LDAP,
+ S_IM_LOGS,
MAX_SEMAPHORES
};
MT_CITADEL, /* Citadel proprietary */
MT_RFC822, /* RFC822 */
MT_MIME, /* MIME-formatted message */
- MT_DOWNLOAD /* Download a component */
+ MT_DOWNLOAD, /* Download a component */
+ MT_SPEW_SECTION /* Download a component in a single operation */
};
/*
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_OPENID, /* associates OpenIDs with users */
MAXCDB /* total number of CDB's defined */
};
};
-
-/* Structures and declarations for function hooks of various types */
-
-struct LogFunctionHook {
- struct LogFunctionHook *next;
- int loglevel;
- void (*h_function_pointer) (char *);
-};
-extern struct LogFunctionHook *LogHookTable;
-
-struct CleanupFunctionHook {
- struct CleanupFunctionHook *next;
- void (*h_function_pointer) (void);
-};
-extern struct CleanupFunctionHook *CleanupHookTable;
-
-
-
-
-/*
- * SessionFunctionHook extensions are used for any type of hook for which
- * the context in which it's being called (which is determined by the event
- * type) will make it obvious for the hook function to know where to look for
- * pertinent data.
- */
-struct SessionFunctionHook {
- struct SessionFunctionHook *next;
- void (*h_function_pointer) (void);
- int eventtype;
-};
-extern struct SessionFunctionHook *SessionHookTable;
-
/*
* Event types can't be enum'ed, because they must remain consistent between
* builds (to allow for binary modules built somewhere else)
#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 */
-
-/*
- * UserFunctionHook extensions are used for any type of hook which implements
- * an operation on a user or username (potentially) other than the one
- * operating the current session.
- */
-struct UserFunctionHook {
- struct UserFunctionHook *next;
- void (*h_function_pointer) (struct ctdluser *usbuf);
- int eventtype;
-};
-extern struct UserFunctionHook *UserHookTable;
+#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 */
-/*
- * MessageFunctionHook extensions are used for hooks which implement handlers
- * for various types of message operations (save, read, etc.)
- */
-struct MessageFunctionHook {
- struct MessageFunctionHook *next;
- int (*h_function_pointer) (struct CtdlMessage *msg);
- int eventtype;
-};
-extern struct MessageFunctionHook *MessageHookTable;
-
#define EVT_BEFOREREAD 200
#define EVT_BEFORESAVE 201
#define EVT_AFTERSAVE 202
#define EVT_SMTPSCAN 203 /* called before submitting a msg from SMTP */
-
-
-
-/*
- * NetprocFunctionHook extensions are used for hooks which implement handlers
- * for incoming network messages.
- */
-struct NetprocFunctionHook {
- struct NetprocFunctionHook *next;
- int (*h_function_pointer) (struct CtdlMessage *msg, char *target_room);
-};
-extern struct NetprocFunctionHook *NetprocHookTable;
-
-
-/*
- * DeleteFunctionHook extensions are used for hooks which get called when a
- * message is about to be deleted.
- */
-struct DeleteFunctionHook {
- struct DeleteFunctionHook *next;
- void (*h_function_pointer) (char *target_room, long msgnum);
-};
-extern struct DeleteFunctionHook *DeleteHookTable;
-
-
-/*
- * ExpressMessageFunctionHook extensions are used for hooks which implement
- * the sending of an instant message through various channels. Any function
- * registered should return the number of recipients to whom the message was
- * successfully transmitted.
- */
-struct XmsgFunctionHook {
- struct XmsgFunctionHook *next;
- int (*h_function_pointer) (char *, char *, char *);
- int order;
-};
-extern struct XmsgFunctionHook *XmsgHookTable;
-
/* Priority levels for paging functions (lower is better) */
enum {
XMSG_PRI_LOCAL, /* Other users on -this- server */
};
-
-/*
- * ServiceFunctionHook extensions are used for hooks which implement various
- * non-Citadel services (on TCP protocols) directly in the Citadel server.
- */
-struct ServiceFunctionHook {
- struct ServiceFunctionHook *next;
- int tcp_port;
- char *sockpath;
- void (*h_greeting_function) (void) ;
- void (*h_command_function) (void) ;
- void (*h_async_function) (void) ;
- int msock;
-};
-extern struct ServiceFunctionHook *ServiceHookTable;
-
-
-
/* Defines the relationship of a user to a particular room */
-struct visit {
+typedef struct __visit {
long v_roomnum;
long v_roomgen;
long v_usernum;
char v_seen[SIZ];
char v_answered[SIZ];
int v_view;
-};
+} visit;
#define V_FORGET 1 /* User has zapped this room */
#define V_LOCKOUT 2 /* User is locked out of this room */
/* Supplementary data for a message on disk
- * (These are kept separately from the message itself because they are
- * fields whose values may change at some point after the message is saved.)
+ * 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.
*/
struct MetaData {
- long meta_msgnum; /* Message number in *local* message base */
- int meta_refcount; /* Number of rooms which point to this msg */
- char meta_content_type[64];
- /* more stuff will be added to this record in the future */
+ 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 */
+ char mimetype[64]; /* if we were able to guess the mimetype for the data */
+};
+
+/* 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 ) */
};
*/
struct ser_ret {
size_t len;
- char *ser;
+ unsigned char *ser;
};
-/* Preferred field order */
-/* ********** Important fields */
-/* *************** Semi-important fields */
-/* * Message text (MUST be last) */
-#define FORDER "IPTAFONHRDBCEGJKLQSVWXYZUM"
+/*
+ * 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;
+};
+
+
+
+/* Preferred field order */
+/* ********** Important fields */
+/* *************** Semi-important fields */
+/* * Message text (MUST be last) */
+#define FORDER "IPTAFONHRDBCEWJGKLQSVXZYUM"
#endif /* SERVER_H */
projects / citadel.git / blobdiff