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0756eb3c PH |
1 | /************************************************* |
2 | * Exim - an Internet mail transport agent * | |
3 | *************************************************/ | |
4 | ||
8d6d5106 | 5 | /* Copyright (c) University of Cambridge 1995 - 2015 */ |
0756eb3c PH |
6 | /* See the file NOTICE for conditions of use and distribution. */ |
7 | ||
8 | #include "../exim.h" | |
9 | #include "lf_functions.h" | |
0756eb3c PH |
10 | |
11 | #include <rpcsvc/ypclnt.h> | |
12 | ||
13 | ||
14 | /************************************************* | |
15 | * Open entry point * | |
16 | *************************************************/ | |
17 | ||
18 | /* See local README for interface description. This serves for both | |
19 | the "nis" and "nis0" lookup types. */ | |
20 | ||
e6d225ae | 21 | static void * |
d447dbd1 | 22 | nis_open(const uschar * filename, uschar ** errmsg) |
0756eb3c PH |
23 | { |
24 | char *nis_domain; | |
25 | if (yp_get_default_domain(&nis_domain) != 0) | |
26 | { | |
f3ebb786 | 27 | *errmsg = US"failed to get default NIS domain"; |
0756eb3c PH |
28 | return NULL; |
29 | } | |
30 | return nis_domain; | |
31 | } | |
32 | ||
33 | ||
34 | ||
35 | /************************************************* | |
36 | * Find entry point for nis * | |
37 | *************************************************/ | |
38 | ||
39 | /* See local README for interface description. A separate function is used | |
40 | for nis0 because they are so short it isn't worth trying to use any common | |
41 | code. */ | |
42 | ||
e6d225ae | 43 | static int |
d447dbd1 | 44 | nis_find(void * handle, const uschar * filename, const uschar * keystring, |
67a57a5a JH |
45 | int length, uschar ** result, uschar ** errmsg, uint * do_cache, |
46 | const uschar * opts) | |
0756eb3c PH |
47 | { |
48 | int rc; | |
49 | uschar *nis_data; | |
50 | int nis_data_length; | |
51 | do_cache = do_cache; /* Placate picky compilers */ | |
2b01e535 | 52 | if ((rc = yp_match(CCS handle, CCS filename, CCS keystring, length, |
0756eb3c PH |
53 | CSS &nis_data, &nis_data_length)) == 0) |
54 | { | |
55 | *result = string_copy(nis_data); | |
56 | (*result)[nis_data_length] = 0; /* remove final '\n' */ | |
57 | return OK; | |
58 | } | |
59 | return (rc == YPERR_KEY || rc == YPERR_MAP)? FAIL : DEFER; | |
60 | } | |
61 | ||
62 | ||
63 | ||
64 | /************************************************* | |
65 | * Find entry point for nis0 * | |
66 | *************************************************/ | |
67 | ||
68 | /* See local README for interface description. */ | |
69 | ||
e6d225ae | 70 | static int |
d447dbd1 | 71 | nis0_find(void * handle, const uschar * filename, const uschar * keystring, |
67a57a5a JH |
72 | int length, uschar ** result, uschar ** errmsg, uint * do_cache, |
73 | const uschar * opts) | |
0756eb3c PH |
74 | { |
75 | int rc; | |
76 | uschar *nis_data; | |
77 | int nis_data_length; | |
78 | do_cache = do_cache; /* Placate picky compilers */ | |
2b01e535 | 79 | if ((rc = yp_match(CCS handle, CCS filename, CCS keystring, length + 1, |
0756eb3c PH |
80 | CSS &nis_data, &nis_data_length)) == 0) |
81 | { | |
82 | *result = string_copy(nis_data); | |
83 | (*result)[nis_data_length] = 0; /* remove final '\n' */ | |
84 | return OK; | |
85 | } | |
86 | return (rc == YPERR_KEY || rc == YPERR_MAP)? FAIL : DEFER; | |
87 | } | |
88 | ||
6545de78 PP |
89 | |
90 | ||
91 | /************************************************* | |
92 | * Version reporting entry point * | |
93 | *************************************************/ | |
94 | ||
95 | /* See local README for interface description. */ | |
96 | ||
97 | #include "../version.h" | |
98 | ||
99 | void | |
100 | nis_version_report(FILE *f) | |
101 | { | |
102 | #ifdef DYNLOOKUP | |
103 | fprintf(f, "Library version: NIS: Exim version %s\n", EXIM_VERSION_STR); | |
104 | #endif | |
105 | } | |
106 | ||
107 | ||
e6d225ae | 108 | static lookup_info nis_lookup_info = { |
9f400174 JH |
109 | .name = US"nis", /* lookup name */ |
110 | .type = 0, /* not abs file, not query style*/ | |
111 | .open = nis_open, /* open function */ | |
112 | .check = NULL, /* check function */ | |
113 | .find = nis_find, /* find function */ | |
114 | .close = NULL, /* no close function */ | |
115 | .tidy = NULL, /* no tidy function */ | |
116 | .quote = NULL, /* no quoting function */ | |
117 | .version_report = nis_version_report /* version reporting */ | |
e6d225ae DW |
118 | }; |
119 | ||
120 | static lookup_info nis0_lookup_info = { | |
9f400174 JH |
121 | .name = US"nis0", /* lookup name */ |
122 | .type = 0, /* not absfile, not query style */ | |
123 | .open = nis_open, /* sic */ /* open function */ | |
124 | .check = NULL, /* check function */ | |
125 | .find = nis0_find, /* find function */ | |
126 | .close = NULL, /* no close function */ | |
127 | .tidy = NULL, /* no tidy function */ | |
128 | .quote = NULL, /* no quoting function */ | |
129 | .version_report = NULL /* no version reporting (redundant) */ | |
e6d225ae DW |
130 | }; |
131 | ||
132 | #ifdef DYNLOOKUP | |
133 | #define nis_lookup_module_info _lookup_module_info | |
134 | #endif | |
135 | ||
136 | static lookup_info *_lookup_list[] = { &nis_lookup_info, &nis0_lookup_info }; | |
137 | lookup_module_info nis_lookup_module_info = { LOOKUP_MODULE_INFO_MAGIC, _lookup_list, 2 }; | |
0756eb3c PH |
138 | |
139 | /* End of lookups/nis.c */ |