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Diffstat (limited to 'private/ntos/nbt/inc/hosts.h')
| -rw-r--r-- | private/ntos/nbt/inc/hosts.h | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/private/ntos/nbt/inc/hosts.h b/private/ntos/nbt/inc/hosts.h new file mode 100644 index 000000000..1ebf4755e --- /dev/null +++ b/private/ntos/nbt/inc/hosts.h @@ -0,0 +1,279 @@ +/*++ + +Copyright (c) 1991 Microsoft Corporation + +Module Name: + + lmhosts.h + +Abstract: + + This is the header file for the lmhosts facility of the nbt driver. + +Author: + + Eric Chin (ericc) April 28, 1992 + +Revision History: + +--*/ +#ifndef _LMHOSTS_H_ +#define _LMHOSTS_H_ + + + +// +// Configuration Defaults +// +// Only the first MAX_PARSE_BYTES of each line in the lmhosts file is +// examined. +// + +#define DATABASEPATH "\\SystemRoot\\nt\\system32\\drivers\\etc" + +#define LMHOSTSFILE "lmhosts" // name of lmhosts file + +#define MAX_FILE_IO_THREADS 1 // threads to read + // lmhosts file +#ifdef VXD +#define MAX_PRELOAD 100 // max cache entries + // to preload +#else +#define MAX_PRELOAD 1000 // max cache entries + // to preload +#endif + +#define SPECIAL_GROUP_SUFFIX 0x1C // for netlogon and + // the browser +#define SPECIAL_BROWSER_SUFFIX 0x1D // for the browser +#define MAX_MEMBERS_INTERNET_GROUP 50 // max size of internet group + +// +// Reserved Keywords in the lmhosts File +// +#define BEG_ALT_TOKEN "#BEGIN_ALTERNATE" // alternate block +#define DOMAIN_TOKEN "#DOM:" // specifies LM domain +#define END_ALT_TOKEN "#END_ALTERNATE" // alternate block +#define INCLUDE_TOKEN "#INCLUDE" // include a file +#define PRELOAD_TOKEN "#PRE" // preload this entry +#define NOFNR_TOKEN "#NOFNR" // no find name request + + +// +// Macro Definitions +// + +//#define min(x, y) ((x) < (y) ? (x) : (y)) + + + +// +// Public Definitions +// +// +// For each file that is opened, a LM_FILE object is created. +// +typedef struct _LM_FILE +{ +#ifndef VXD + KSPIN_LOCK f_lock; // protects this object + LONG f_refcount; // current no of references +#endif + + HANDLE f_handle; // handle from ZwOpenFile() + LONG f_lineno; // current line number + +#ifndef VXD + LARGE_INTEGER f_fileOffset; // current offset into file + + PUCHAR f_current; // buffer position to read + PUCHAR f_limit; // last byte + 1 of buffer + PUCHAR f_buffer; // start of buffer +#else + PUCHAR f_linebuffer; // line buffer + PUCHAR f_buffer; // file buffer + BOOL f_EOF ; // TRUE if EOF + ULONG f_CurPos ; // Current Pos. in File Buffer + ULONG f_EndOfData ; // Last valid data in File Buffer + PUCHAR f_BackUp; // copy here In case of #INCLUDE +#endif + +} LM_FILE, *PLM_FILE; + + +// +// The LM_IPADDRESS_LIST object contains pertinent information about a +// group of ip addresses. +// +// +typedef struct _LM_IPADDRESS_LIST +{ + + KSPIN_LOCK i_rcntlock; // protects i_refcount + LONG i_refcount; // current no of references + KSPIN_LOCK i_lock; // only when adding to i_addrs[] + int i_maxaddrs; // max capacity of i_addrs[] + int i_numaddrs; // current no of ip addresses + unsigned long i_addrs[1]; // the array of ip addresses + +} LM_IPADDRESS_LIST, *PLM_IPADDRESS_LIST; + + +// +// An LM_PARSE_FUNCTION may be called recursively to handle #INCLUDE +// directives in an lmhosts file. +// +// +typedef unsigned long (* LM_PARSE_FUNCTION) ( + IN PUCHAR path, // file to parse + IN PUCHAR target OPTIONAL, // NetBIOS name + IN BOOLEAN recurse, // process #INCLUDE's ? + OUT BOOLEAN *NoFindName // do not do find name +); + + +// +// The LM_WORK_ITEM object is the interface between lm_lookup() and +// LmFindName(). +// +// +typedef struct _LM_WORK_ITEM +{ // work for io thread(s) + + LIST_ENTRY w_list; // links to other items +// mblk_t *w_mp; // STREAMS buffer + +} LM_WORK_ITEM, *PLM_WORK_ITEM; + + + +// +// Private Function Prototypes +// +int +LmAddToDomAddrList ( + IN PUCHAR name, + IN unsigned long inaddr + ); + +NTSTATUS +LmCloseFile ( + IN PLM_FILE handle + ); + +NTSTATUS +LmCreateThreads ( + IN int nthreads + ); + +NTSTATUS +LmDeleteAllDomAddrLists ( + VOID + ); + +VOID +LmDerefDomAddrList( + PLM_IPADDRESS_LIST arrayp + ); + +char * +LmExpandName ( + OUT PUCHAR dest, + IN PUCHAR source, + IN UCHAR last + ); + +PUCHAR +LmFgets ( + IN PLM_FILE pfile, + OUT int *nbytes + ); + +NTSTATUS +LmFindName ( + VOID + ); + +PLM_IPADDRESS_LIST +LmGetDomAddrList ( + PUCHAR name + ); + +unsigned long +LmGetIpAddr ( + IN PUCHAR path, + IN PUCHAR target, + IN BOOLEAN recurse, + OUT BOOLEAN *NoFindName + ); + +NTSTATUS +LmGetFullPath ( + IN PUCHAR target, + OUT PUCHAR *path + ); + +unsigned long +LmInclude( + IN PUCHAR file, + IN LM_PARSE_FUNCTION function, + IN PUCHAR argument, + OUT BOOLEAN *NoFindName + ); + +NTSTATUS +LmInitDomAddrLists ( + VOID + ); + +VOID +LmLogOpenError ( + IN PUCHAR path, + IN NTSTATUS unused + ); + +VOID +LmLogSyntaxError ( + IN LONG lineno + ); + +PLM_FILE +LmOpenFile ( + IN PUCHAR path + ); + +int +LmPreloadEntry ( + IN PUCHAR name, + IN unsigned long inaddr, + IN unsigned int NoFNR + ); + +BOOLEAN +LmPutCacheEntry ( +// IN mblk_t *mp, + IN unsigned char *name, + IN unsigned long inaddr, + IN unsigned int ttl, + IN LONG nb_flags, + IN unsigned int NoFNR + ); + +NTSTATUS +LmTerminateThreads( + VOID + ); + +// +// Functions Imported from ..\common +// +extern unsigned long +inet_addr( + IN char *cp + ); + + + + +#endif // _LMHOSTS_H_ + |