src/protocols/zephyr/internal.h

   1
   2 #ifndef __INTERNAL_H__
   3 #define __INTERNAL_H__
   4
   5 #include <sysdep.h>
   6 #include <zephyr/zephyr.h>
   7 #include <netdb.h>
   8
   9 #ifdef ZEPHYR_USES_HESIOD
  10 #include <hesiod.h>
  11 #endif
  12
  13 #ifndef ZEPHYR_USES_KERBEROS
  14 #define REALM_SZ        MAXHOSTNAMELEN
  15 #define INST_SZ         0               /* no instances w/o Kerberos */
  16 #define ANAME_SZ        9               /* size of a username + null */
  17 #define CLOCK_SKEW      300             /* max time to cache packet ids */
  18 #endif
  19
  20 #define SERVER_SVC_FALLBACK     htons((unsigned short) 2103)
  21 #define HM_SVC_FALLBACK         htons((unsigned short) 2104)
  22 #define HM_SRV_SVC_FALLBACK     htons((unsigned short) 2105)
  23
  24 #define ZAUTH_CKSUM_FAILED      (-2) /* Used only by server. */
  25 #define ZAUTH_UNSET             (-3) /* Internal to client library. */
  26 #define Z_MAXFRAGS              500     /* Max number of packet fragments */
  27 #define Z_MAXNOTICESIZE         400000  /* Max size of incoming notice */
  28 #define Z_MAXQUEUESIZE          1500000 /* Max size of input queue notices */
  29 #define Z_FRAGFUDGE             13      /* Room to for multinotice field */
  30 #define Z_NOTICETIMELIMIT       30      /* Time to wait for fragments */
  31 #define Z_INITFILTERSIZE        30      /* Starting size of uid filter */
  32
  33 struct _Z_Hole {
  34     struct _Z_Hole      *next;
  35     int                 first;
  36     int                 last;
  37 };
  38
  39 struct _Z_InputQ {
  40     struct _Z_InputQ    *next;
  41     struct _Z_InputQ    *prev;
  42     ZNotice_Kind_t      kind;
  43     unsigned ZEPHYR_INT32 timep;
  44     int                 packet_len;
  45     char                *packet;
  46     int                 complete;
  47     struct sockaddr_in  from;
  48     struct _Z_Hole      *holelist;
  49     ZUnique_Id_t        uid;
  50     int                 auth;
  51     int                 header_len;
  52     char                *header;
  53     int                 msg_len;
  54     char                *msg;
  55 };
  56
  57 extern struct _Z_InputQ *__Q_Head, *__Q_Tail;
  58
  59 extern int __Zephyr_open;       /* 0 if FD opened, 1 otherwise */
  60 extern int __HM_set;            /* 0 if dest addr set, 1 otherwise */
  61 extern int __Zephyr_server;     /* 0 if normal client, 1 if server or zhm */
  62
  63 extern ZLocations_t *__locate_list;
  64 extern int __locate_num;
  65 extern int __locate_next;
  66
  67 extern ZSubscription_t *__subscriptions_list;
  68 extern int __subscriptions_num;
  69 extern int __subscriptions_next;
  70
  71 extern int __Zephyr_port;               /* Port number */
  72 extern struct in_addr __My_addr;
  73
  74 typedef Code_t (*Z_SendProc) __P((ZNotice_t *, char *, int, int));
  75
  76 struct _Z_InputQ *Z_GetFirstComplete __P((void));
  77 struct _Z_InputQ *Z_GetNextComplete __P((struct _Z_InputQ *));
  78 Code_t Z_XmitFragment __P((ZNotice_t*, char *,int,int));
  79 void Z_RemQueue __P((struct _Z_InputQ *));
  80 Code_t Z_AddNoticeToEntry __P((struct _Z_InputQ*, ZNotice_t*, int));
  81 Code_t Z_FormatAuthHeader __P((ZNotice_t *, char *, int, int *, Z_AuthProc));
  82 Code_t Z_FormatHeader __P((ZNotice_t *, char *, int, int *, Z_AuthProc));
  83 Code_t Z_FormatRawHeader __P((ZNotice_t *, char*, int,
  84                               int*, char **, char **));
  85 Code_t Z_ReadEnqueue __P((void));
  86 Code_t Z_ReadWait __P((void));
  87 Code_t Z_SendLocation __P((char*, char*, Z_AuthProc, char*));
  88 Code_t Z_SendFragmentedNotice __P((ZNotice_t *notice, int len,
  89                                    Z_AuthProc cert_func,
  90                                    Z_SendProc send_func));
  91 Code_t Z_WaitForComplete __P((void));
  92 Code_t Z_WaitForNotice __P((ZNotice_t *notice,
  93                             int (*pred) __P((ZNotice_t *, void *)), void *arg,
  94                             int timeout));
  95
  96 #endif /* __INTERNAL_H__ */
  97