2 typedef pthread_t THREAD;
4 /* Uncomment this if you want to track memory leaks.
5 * This incurs some overhead, so don't use it unless you're debugging the code!
7 #define DEBUG_MEMORY_LEAKS
11 * Generic per-session variable or data structure storage
14 struct CtdlSessData *next;
20 * Static user data symbol types
23 SYM_DESIRED_SECTION, /* Used by the MIME parser */
29 * Here's the big one... the Citadel context structure.
31 * This structure keeps track of all information relating to a running
32 * session on the server. We keep one of these for each session thread.
34 * Note that the first element is "*next" so that it may be used without
35 * modification in a linked list.
38 struct CitContext *next; /* Link to next session in the list */
40 struct usersupp usersupp; /* Database record buffers */
41 struct quickroom quickroom;
43 char curr_user[32]; /* name of current user */
44 int logged_in; /* logged in */
45 int internal_pgm; /* authenticated as internal program */
46 char temp[32]; /* temp file name */
47 int nologin; /* not allowed to log in */
51 int n_crit; /* number of critical sections open */
53 int cs_pid; /* session ID */
54 char cs_room[ROOMNAMELEN]; /* current room */
55 time_t cs_lastupdt; /* time of last update */
56 time_t lastcmd; /* time of last command executed */
57 time_t lastidle; /* For computing idle time */
58 char lastcmdname[5]; /* name of last command executed */
59 unsigned cs_flags; /* miscellaneous flags */
61 /* feeping creaturisms... */
62 int cs_clientdev; /* client developer ID */
63 int cs_clienttyp; /* client type code */
64 int cs_clientver; /* client version number */
65 char cs_clientname[32]; /* name of client software */
66 char cs_host[26]; /* host logged in from */
68 FILE *download_fp; /* Fields relating to file transfer */
72 char upl_comment[256];
73 char upl_filedir[256];
74 char chat_room[20]; /* The chat room */
78 struct ExpressMessage *FirstExpressMessage;
80 char fake_username[32]; /* Fake username <bc> */
81 char fake_postname[32]; /* Fake postname <bc> */
82 char fake_hostname[25]; /* Name of the fake hostname <bc> */
83 char fake_roomname[ROOMNAMELEN]; /* Name of the fake room <bc> */
85 int FloorBeingSearched; /* This is used by cmd_lrms() etc. */
86 struct CtdlSessData *FirstSessData;
89 typedef struct CitContext t_context;
91 #define CS_STEALTH 1 /* stealth mode */
92 #define CS_CHAT 2 /* chat mode */
93 #define CS_POSTING 4 /* Posting */
95 struct CitContext *MyContext(void);
96 #define CC ((struct CitContext *)MyContext())
98 extern struct CitContext *ContextList;
99 extern int ScheduledShutdown;
100 extern struct CitControl CitControl;
103 struct ExpressMessage {
104 struct ExpressMessage *next;
105 time_t timestamp; /* When this message was sent */
106 unsigned flags; /* Special instructions */
107 char sender[64]; /* Name of sending user */
108 char *text; /* Message text (if applicable) */
111 #define EM_BROADCAST 1 /* Broadcast message */
112 #define EM_GO_AWAY 2 /* Server requests client log off */
113 #define EM_CHAT 4 /* Server requests client enter chat */
116 struct ChatLine *next;
121 char chat_username[32];
125 * Various things we need to lock and unlock
154 * message transfer formats
157 MT_CITADEL, /* Citadel proprietary */
158 MT_RFC822, /* RFC822 */
159 MT_MIME, /* MIME-formatted message */
160 MT_DOWNLOAD /* Download a component */
165 * Citadel DataBases (define one for each cdb we need to open)
168 CDB_MSGMAIN, /* message base */
169 CDB_USERSUPP, /* user file */
170 CDB_QUICKROOM, /* room index */
171 CDB_FLOORTAB, /* floor index */
172 CDB_MSGLISTS, /* room message lists */
173 CDB_VISIT, /* user/room relationships */
174 MAXCDB /* total number of CDB's defined */
184 /* Structures and declarations for function hooks of various types */
186 struct LogFunctionHook {
187 struct LogFunctionHook *next;
189 void (*h_function_pointer) (char *);
191 extern struct LogFunctionHook *LogHookTable;
193 struct CleanupFunctionHook {
194 struct CleanupFunctionHook *next;
195 void (*h_function_pointer) (void);
197 extern struct CleanupFunctionHook *CleanupHookTable;
203 * SessionFunctionHook extensions are used for any type of hook for which
204 * the context in which it's being called (which is determined by the event
205 * type) will make it obvious for the hook function to know where to look for
208 struct SessionFunctionHook {
209 struct SessionFunctionHook *next;
210 void (*h_function_pointer) (void);
213 extern struct SessionFunctionHook *SessionHookTable;
216 * Event types can't be enum'ed, because they must remain consistent between
217 * builds (to allow for binary modules built somewhere else)
219 #define EVT_STOP 0 /* Session is terminating */
220 #define EVT_START 1 /* Session is starting */
221 #define EVT_LOGIN 2 /* A user is logging in */
222 #define EVT_NEWROOM 3 /* Changing rooms */
223 #define EVT_LOGOUT 4 /* A user is logging out */
224 #define EVT_SETPASS 5 /* Setting or changing password */
225 #define EVT_CMD 6 /* Called after each server command */
226 #define EVT_RWHO 7 /* An RWHO command is being executed */
233 * UserFunctionHook extensions are used for any type of hook which implements
234 * an operation on a user or username (potentially) other than the one
235 * operating the current session.
237 struct UserFunctionHook {
238 struct UserFunctionHook *next;
239 void (*h_function_pointer) (char *username, long usernum);
242 extern struct UserFunctionHook *UserHookTable;
244 #define EVT_PURGEUSER 100 /* Deleting a user */
245 #define EVT_OUTPUTMSG 101 /* Outputting a message */
251 * ExpressMessageFunctionHook extensions are used for hooks which implement
252 * the sending of an express message through various channels. Any function
253 * registered should return the number of recipients to whom the message was
254 * successfully transmitted.
256 struct XmsgFunctionHook {
257 struct XmsgFunctionHook *next;
258 int (*h_function_pointer) (char *, char *, char *);
261 extern struct XmsgFunctionHook *XmsgHookTable;
263 /* Priority levels for paging functions (lower is better) */
265 XMSG_PRI_LOCAL, /* Other users on -this- server */
266 XMSG_PRI_REMOTE, /* Other users on a Citadel network (future) */
267 XMSG_PRI_FOREIGN, /* Contacts on foreign instant message hosts */
275 /* Defines the relationship of a user to a particular room */
281 unsigned int v_flags;
284 #define V_FORGET 1 /* User has zapped this room */
285 #define V_LOCKOUT 2 /* User is locked out of this room */
286 #define V_ACCESS 4 /* Access is granted to this room */
289 #define UA_GOTOALLOWED 4
290 #define UA_HASNEWMSGS 8
294 /* Supplementary data for a message on disk
295 * (These are kept separately from the message itself because they are
296 * fields whose values may change at some point after the message is saved.)
299 long smi_msgnum; /* Message number in *local* message base */
300 int smi_refcount; /* Number of rooms which point to this msg */
301 char smi_content_type[64];
302 /* more stuff will be added to this record in the future */
307 /* Built-in debuggable stuff for checking for memory leaks */
308 #ifdef DEBUG_MEMORY_LEAKS
310 #define mallok(howbig) tracked_malloc(howbig, __FILE__, __LINE__)
311 #define phree(whichptr) tracked_free(whichptr)
312 #define reallok(whichptr,howbig) tracked_realloc(whichptr,howbig)
313 #define strdoop(orig) tracked_strdup(orig, __FILE__, __LINE__)
315 void *tracked_malloc(size_t, char *, int);
316 void tracked_free(void *);
317 void *tracked_realloc(void *, size_t);
318 void dump_tracked(void);
319 char *tracked_strdup(const char *, char *, int);
322 struct TheHeap *next;
328 extern struct TheHeap *heap;
332 #define mallok(howbig) malloc(howbig)
333 #define phree(whichptr) free(whichptr)
334 #define reallok(whichptr,howbig) realloc(whichptr,howbig)
335 #define strdoop(orig) strdup(orig)
342 * New format for a message in memory
344 #define CTDLMESSAGE_MAGIC 0x159d
346 int cm_magic; /* Self-check */
347 char cm_anon_type; /* Anonymous or author-visible */
348 char cm_format_type; /* Format type */
349 char *cm_fields[256]; /* Data fields */