/************************************************* * Exim - an Internet mail transport agent * *************************************************/ /* Copyright (c) University of Cambridge 1995 - 2015 */ /* See the file NOTICE for conditions of use and distribution. */ /* The "type" field in each item is a set of bit flags: lookup_querystyle => this is a query-style lookup, else single-key (+ file) style lookup_absfile => an absolute file name is required, (for single-key style only) */ typedef struct lookup_info { uschar *name; /* e.g. "lsearch" */ int type; /* query/singlekey/abs-file */ void *(*open)( /* open function */ const uschar *, /* file name for those that have one */ uschar **); /* for error message */ BOOL (*check)( /* file checking function */ void *, /* handle */ const uschar *, /* file name */ int, /* modemask for file checking */ uid_t *, /* owners for file checking */ gid_t *, /* owngroups for file checking */ uschar **); /* for error messages */ int (*find)( /* find function */ void *, /* handle */ const uschar *, /* file name or NULL */ const uschar *, /* key or query */ int, /* length of key or query */ uschar **, /* for returning answer */ uschar **, /* for error message */ uint *, /* cache TTL, seconds */ const uschar *); /* options */ void (*close)( /* close function */ void *); /* handle */ void (*tidy)(void); /* tidy function */ uschar *(*quote)( /* quoting function */ uschar *, /* string to quote */ uschar *); /* additional data from quote name */ void (*version_report)( /* diagnostic function */ FILE *); /* fh to write to */ } lookup_info; /* This magic number is used by the following lookup_module_info structure for checking API compatibility. It used to be equivalent to the string"LMM3" */ #define LOOKUP_MODULE_INFO_MAGIC 0x4c4d4933 /* Version 2 adds: version_report */ /* Version 3 change: non/cache becomes TTL in seconds */ typedef struct lookup_module_info { uint magic; lookup_info **lookups; uint lookupcount; } lookup_module_info; /* End of lookupapi.h */