6 #include <zephyr/zephyr.h>
23 #define CLOCK_SKEW 300 /* max time to cache packet ids */
26 #ifndef REALM_SZ /* XXX */
27 #include <arpa/nameser.h>
28 #ifdef HAVE_ARPA_NAMESER_COMPAT_H
29 #include <arpa/nameser_compat.h>
31 #define REALM_SZ NS_MAXDNAME
33 #define MAX_PRINCIPAL_SIZE 1024
35 #define SERVER_SVC_FALLBACK htons((unsigned short) 2103)
36 #define HM_SVC_FALLBACK htons((unsigned short) 2104)
37 #define HM_SRV_SVC_FALLBACK htons((unsigned short) 2105)
39 #define ZAUTH_UNSET (-3) /* Internal to client library. */
40 #define Z_MAXFRAGS 500 /* Max number of packet fragments */
41 #define Z_MAXNOTICESIZE 400000 /* Max size of incoming notice */
42 #define Z_MAXQUEUESIZE 1500000 /* Max size of input queue notices */
43 #define Z_FRAGFUDGE 13 /* Room to for multinotice field */
44 #define Z_NOTICETIMELIMIT 30 /* Time to wait for fragments */
45 #define Z_INITFILTERSIZE 30 /* Starting size of uid filter */
47 #define Z_AUTHMODE_NONE 0 /* no authentication */
48 #define Z_AUTHMODE_KRB4 1 /* authenticate using Kerberos V4 */
49 #define Z_AUTHMODE_KRB5 2 /* authenticate using Kerberos V5 */
51 #define Z_KEYUSAGE_CLT_CKSUM 1027 /* client->server notice checksum */
52 #define Z_KEYUSAGE_SRV_CKSUM 1029 /* server->client notice checksum */
61 struct _Z_InputQ *next;
62 struct _Z_InputQ *prev;
64 unsigned ZEPHYR_INT32 timep;
68 struct sockaddr_in from;
69 struct _Z_Hole *holelist;
78 extern struct _Z_InputQ *__Q_Head, *__Q_Tail;
80 extern int __Zephyr_open; /* 0 if FD opened, 1 otherwise */
81 extern int __HM_set; /* 0 if dest addr set, 1 otherwise */
82 extern int __Zephyr_server; /* 0 if normal client, 1 if server or zhm */
85 extern krb5_context Z_krb5_ctx;
86 Code_t Z_krb5_lookup_cksumtype(krb5_enctype, krb5_cksumtype *);
89 extern ZLocations_t *__locate_list;
90 extern int __locate_num;
91 extern int __locate_next;
93 extern ZSubscription_t *__subscriptions_list;
94 extern int __subscriptions_num;
95 extern int __subscriptions_next;
97 extern int __Zephyr_port; /* Port number */
98 extern struct in_addr __My_addr;
99 extern int __Zephyr_fd;
100 extern int __Q_CompleteLength;
101 extern struct sockaddr_in __HM_addr;
102 extern char __Zephyr_realm[];
104 typedef Code_t (*Z_SendProc) (ZNotice_t *, char *, int, int);
106 struct _Z_InputQ *Z_GetFirstComplete (void);
107 struct _Z_InputQ *Z_GetNextComplete (struct _Z_InputQ *);
108 Code_t Z_XmitFragment (ZNotice_t*, char *,int,int);
109 void Z_RemQueue (struct _Z_InputQ *);
110 Code_t Z_AddNoticeToEntry (struct _Z_InputQ*, ZNotice_t*, int);
111 Code_t Z_FormatAuthHeader (ZNotice_t *, char *, int, int *, Z_AuthProc);
112 Code_t Z_FormatHeader (ZNotice_t *, char *, int, int *, Z_AuthProc);
113 Code_t Z_FormatRawHeader (ZNotice_t *, char*, int,
114 int*, char **, char **);
115 Code_t Z_ReadEnqueue (void);
116 Code_t Z_ReadWait (void);
117 Code_t Z_SendLocation (char*, char*, Z_AuthProc, char*);
118 Code_t Z_SendFragmentedNotice (ZNotice_t *notice, int len,
119 Z_AuthProc cert_func,
120 Z_SendProc send_func);
121 Code_t Z_WaitForComplete (void);
122 Code_t Z_WaitForNotice (ZNotice_t *notice,
123 int (*pred)(ZNotice_t *, void *), void *arg,
127 Code_t Z_NewFormatHeader (ZNotice_t *, char *, int, int *, Z_AuthProc);
128 Code_t Z_NewFormatAuthHeader (ZNotice_t *, char *, int, int *, Z_AuthProc);
129 Code_t Z_NewFormatRawHeader (ZNotice_t *, char *, int, int *, char **,
130 int *, char **, char **);
131 Code_t Z_AsciiFormatRawHeader (ZNotice_t *, char *, int, int *, char **,
132 int *, char **, char **);
134 void Z_gettimeofday(struct _ZTimeval *ztv, struct timezone *tz);
137 int ZGetCreds(krb5_creds **creds_out);
138 int ZGetCredsRealm(krb5_creds **creds_out, char *realm);
139 Code_t Z_Checksum(krb5_data *cksumbuf, krb5_keyblock *keyblock,
140 krb5_cksumtype cksumtype, krb5_keyusage cksumusage,
141 char **asn1_data, unsigned int *asn1_len);
142 Code_t Z_ExtractEncCksum(krb5_keyblock *keyblock, krb5_enctype *enctype,
143 krb5_cksumtype *cksumtype);
144 int Z_krb5_verify_cksum(krb5_keyblock *keyblock, krb5_data *cksumbuf,
145 krb5_cksumtype cksumtype, krb5_keyusage cksumusage,
146 unsigned char *asn1_data, int asn1_len);
147 Code_t Z_InsertZcodeChecksum(krb5_keyblock *keyblock, ZNotice_t *notice,
149 char *cksum_start, int cksum_len,
150 char *cstart, char *cend, int buffer_len,
151 int *length_ajdust, int from_server);
152 unsigned long z_quad_cksum(const unsigned char *, uint32_t *, long,
153 int, unsigned char *);
154 Code_t ZFormatAuthenticNoticeV5(ZNotice_t*, char*, int, int*, krb5_keyblock *);
157 #ifdef HAVE_KRB5_CREDS_KEYBLOCK_ENCTYPE
158 #define Z_keydata(keyblock) ((keyblock)->contents)
159 #define Z_keylen(keyblock) ((keyblock)->length)
160 #define Z_credskey(creds) (&(creds)->keyblock)
161 #define Z_enctype(keyblock) ((keyblock)->enctype)
163 #define Z_keydata(keyblock) ((keyblock)->keyvalue.data)
164 #define Z_keylen(keyblock) ((keyblock)->keyvalue.length)
165 #define Z_credskey(creds) (&(creds)->session)
166 #define Z_enctype(keyblock) ((keyblock)->keytype)
169 #ifdef HAVE_KRB5_TICKET_ENC_PART2
170 #define Z_tktprincp(tkt) ((tkt)->enc_part2 != 0)
171 #define Z_tktprinc(tkt) ((tkt)->enc_part2->client)
173 #define Z_tktprincp(tkt) ((tkt)->client != 0)
174 #define Z_tktprinc(tkt) ((tkt)->client)
177 #endif /* __INTERNAL_H__ */