1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2015 */
6 /* Copyright (c) The Exim Maintainers 2020 */
7 /* See the file NOTICE for conditions of use and distribution. */
10 #include "lf_functions.h"
12 #include <rpcsvc/ypclnt.h>
15 /*************************************************
17 *************************************************/
19 /* See local README for interface description. This serves for both
20 the "nis" and "nis0" lookup types. */
23 nis_open(const uschar
* filename
, uschar
** errmsg
)
26 if (yp_get_default_domain(&nis_domain
) != 0)
28 *errmsg
= US
"failed to get default NIS domain";
36 /*************************************************
37 * Find entry point for nis *
38 *************************************************/
40 /* See local README for interface description. A separate function is used
41 for nis0 because they are so short it isn't worth trying to use any common
45 nis_find(void * handle
, const uschar
* filename
, const uschar
* keystring
,
46 int length
, uschar
** result
, uschar
** errmsg
, uint
* do_cache
,
52 do_cache
= do_cache
; /* Placate picky compilers */
53 if ((rc
= yp_match(CCS handle
, CCS filename
, CCS keystring
, length
,
54 CSS
&nis_data
, &nis_data_length
)) == 0)
56 *result
= string_copy(nis_data
);
57 (*result
)[nis_data_length
] = 0; /* remove final '\n' */
60 return (rc
== YPERR_KEY
|| rc
== YPERR_MAP
)? FAIL
: DEFER
;
65 /*************************************************
66 * Find entry point for nis0 *
67 *************************************************/
69 /* See local README for interface description. */
72 nis0_find(void * handle
, const uschar
* filename
, const uschar
* keystring
,
73 int length
, uschar
** result
, uschar
** errmsg
, uint
* do_cache
,
79 do_cache
= do_cache
; /* Placate picky compilers */
80 if ((rc
= yp_match(CCS handle
, CCS filename
, CCS keystring
, length
+ 1,
81 CSS
&nis_data
, &nis_data_length
)) == 0)
83 *result
= string_copy(nis_data
);
84 (*result
)[nis_data_length
] = 0; /* remove final '\n' */
87 return (rc
== YPERR_KEY
|| rc
== YPERR_MAP
)? FAIL
: DEFER
;
92 /*************************************************
93 * Version reporting entry point *
94 *************************************************/
96 /* See local README for interface description. */
98 #include "../version.h"
101 nis_version_report(FILE *f
)
104 fprintf(f
, "Library version: NIS: Exim version %s\n", EXIM_VERSION_STR
);
109 static lookup_info nis_lookup_info
= {
110 .name
= US
"nis", /* lookup name */
111 .type
= 0, /* not abs file, not query style*/
112 .open
= nis_open
, /* open function */
113 .check
= NULL
, /* check function */
114 .find
= nis_find
, /* find function */
115 .close
= NULL
, /* no close function */
116 .tidy
= NULL
, /* no tidy function */
117 .quote
= NULL
, /* no quoting function */
118 .version_report
= nis_version_report
/* version reporting */
121 static lookup_info nis0_lookup_info
= {
122 .name
= US
"nis0", /* lookup name */
123 .type
= 0, /* not absfile, not query style */
124 .open
= nis_open
, /* sic */ /* open function */
125 .check
= NULL
, /* check function */
126 .find
= nis0_find
, /* find function */
127 .close
= NULL
, /* no close function */
128 .tidy
= NULL
, /* no tidy function */
129 .quote
= NULL
, /* no quoting function */
130 .version_report
= NULL
/* no version reporting (redundant) */
134 #define nis_lookup_module_info _lookup_module_info
137 static lookup_info
*_lookup_list
[] = { &nis_lookup_info
, &nis0_lookup_info
};
138 lookup_module_info nis_lookup_module_info
= { LOOKUP_MODULE_INFO_MAGIC
, _lookup_list
, 2 };
140 /* End of lookups/nis.c */