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/AddressXlation.h
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vkoskiv Initial amendment | Latest amendment: 1 on 2023-08-21 |
1 | /* |
2 | AddressXlation.h |
3 | MacTCP name to address translation routines. |
4 | |
5 | Copyright Apple Computer, Inc. 1988 |
6 | All rights reserved |
7 | |
8 | */ |
9 | |
10 | #ifndef __ADDRESSXLATION__ |
11 | #define __ADDRESSXLATION__ |
12 | |
13 | #include "MacTCP.h" |
14 | |
15 | #define NUM_ALT_ADDRS 4 |
16 | |
17 | typedef struct hostInfo { |
18 | int _pad; /* XXX: i don't know why this is needed, but without it, |
19 | * StrToAddrProcPtr() returns everything shifted 2 bytes */ |
20 | int rtnCode; |
21 | char cname[255]; |
22 | unsigned long addr[NUM_ALT_ADDRS]; |
23 | }; |
24 | |
25 | typedef enum AddrClasses { |
26 | A = 1, |
27 | NS, |
28 | CNAME = 5, |
29 | lastClass = 65535 |
30 | }; |
31 | |
32 | typedef struct cacheEntryRecord { |
33 | char *cname; |
34 | unsigned short type; |
35 | enum AddrClasses class; |
36 | unsigned long ttl; |
37 | union { |
38 | char *name; |
39 | ip_addr addr; |
40 | } rdata; |
41 | }; |
42 | |
43 | typedef pascal void (*EnumResultProcPtr)(struct cacheEntryRecord *cacheEntryRecordPtr, |
44 | char *userDataPtr); |
45 | typedef pascal void (*ResultProcPtr)(struct hostInfo *hostInfoPtr, |
46 | char *userDataPtr); |
47 | |
48 | extern OSErr OpenResolver(char *fileName); |
49 | extern OSErr StrToAddr(char *hostName, struct hostInfo *hostInfoPtr, |
50 | ResultProcPtr resultProc, char *userDataPtr); |
51 | extern OSErr AddrToStr(unsigned long addr, char *addrStr); |
52 | extern OSErr EnumCache(EnumResultProcPtr enumResultProc, char *userDataPtr); |
53 | extern OSErr AddrToName(ip_addr addr, struct hostInfo *hostInfoPtr, |
54 | ResultProcPtr resultProc, char *userDataPtr); |
55 | extern OSErr CloseResolver(void); |
56 | |
57 | /* |
58 | * The above functions call into the dnr resource and pass the function id |
59 | * and function-specific arguments, so the compiler needs to know the types |
60 | */ |
61 | typedef OSErr (*OpenResolverProcPtr)(UInt32, char *); |
62 | typedef OSErr (*CloseResolverProcPtr)(UInt32); |
63 | typedef OSErr (*StrToAddrProcPtr)(UInt32, char *hostName, |
64 | struct hostInfo *hostInfoPtr, ResultProcPtr resultProc, |
65 | char *userDataPtr); |
66 | typedef OSErr (*AddrToStrProcPtr)(UInt32, unsigned long addr, |
67 | char *addrStr); |
68 | typedef OSErr (*EnumCacheProcPtr)(UInt32, EnumResultProcPtr enumResultProc, |
69 | char *userDataPtr); |
70 | typedef OSErr (*AddrToNameProcPtr)(UInt32, ip_addr addr, |
71 | struct hostInfo *hostInfoPtr, ResultProcPtr resultProc, |
72 | char *userDataPtr); |
73 | |
74 | #endif |