Commit | Line | Data |
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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 */ |
1e1ddfac | 6 | /* Copyright (c) The Exim Maintainers 2020 */ |
0756eb3c PH |
7 | /* See the file NOTICE for conditions of use and distribution. */ |
8 | ||
9 | #include "../exim.h" | |
10 | #include "lf_functions.h" | |
0756eb3c PH |
11 | |
12 | #include <rpcsvc/ypclnt.h> | |
13 | ||
14 | ||
15 | /************************************************* | |
16 | * Open entry point * | |
17 | *************************************************/ | |
18 | ||
19 | /* See local README for interface description. This serves for both | |
20 | the "nis" and "nis0" lookup types. */ | |
21 | ||
e6d225ae | 22 | static void * |
d447dbd1 | 23 | nis_open(const uschar * filename, uschar ** errmsg) |
0756eb3c PH |
24 | { |
25 | char *nis_domain; | |
26 | if (yp_get_default_domain(&nis_domain) != 0) | |
27 | { | |
f3ebb786 | 28 | *errmsg = US"failed to get default NIS domain"; |
0756eb3c PH |
29 | return NULL; |
30 | } | |
31 | return nis_domain; | |
32 | } | |
33 | ||
34 | ||
35 | ||
36 | /************************************************* | |
37 | * Find entry point for nis * | |
38 | *************************************************/ | |
39 | ||
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 | |
42 | code. */ | |
43 | ||
e6d225ae | 44 | static int |
d447dbd1 | 45 | nis_find(void * handle, const uschar * filename, const uschar * keystring, |
67a57a5a JH |
46 | int length, uschar ** result, uschar ** errmsg, uint * do_cache, |
47 | const uschar * opts) | |
0756eb3c PH |
48 | { |
49 | int rc; | |
50 | uschar *nis_data; | |
51 | int nis_data_length; | |
52 | do_cache = do_cache; /* Placate picky compilers */ | |
2b01e535 | 53 | if ((rc = yp_match(CCS handle, CCS filename, CCS keystring, length, |
0756eb3c PH |
54 | CSS &nis_data, &nis_data_length)) == 0) |
55 | { | |
56 | *result = string_copy(nis_data); | |
57 | (*result)[nis_data_length] = 0; /* remove final '\n' */ | |
58 | return OK; | |
59 | } | |
60 | return (rc == YPERR_KEY || rc == YPERR_MAP)? FAIL : DEFER; | |
61 | } | |
62 | ||
63 | ||
64 | ||
65 | /************************************************* | |
66 | * Find entry point for nis0 * | |
67 | *************************************************/ | |
68 | ||
69 | /* See local README for interface description. */ | |
70 | ||
e6d225ae | 71 | static int |
d447dbd1 | 72 | nis0_find(void * handle, const uschar * filename, const uschar * keystring, |
67a57a5a JH |
73 | int length, uschar ** result, uschar ** errmsg, uint * do_cache, |
74 | const uschar * opts) | |
0756eb3c PH |
75 | { |
76 | int rc; | |
77 | uschar *nis_data; | |
78 | int nis_data_length; | |
79 | do_cache = do_cache; /* Placate picky compilers */ | |
2b01e535 | 80 | if ((rc = yp_match(CCS handle, CCS filename, CCS keystring, length + 1, |
0756eb3c PH |
81 | CSS &nis_data, &nis_data_length)) == 0) |
82 | { | |
83 | *result = string_copy(nis_data); | |
84 | (*result)[nis_data_length] = 0; /* remove final '\n' */ | |
85 | return OK; | |
86 | } | |
87 | return (rc == YPERR_KEY || rc == YPERR_MAP)? FAIL : DEFER; | |
88 | } | |
89 | ||
6545de78 PP |
90 | |
91 | ||
92 | /************************************************* | |
93 | * Version reporting entry point * | |
94 | *************************************************/ | |
95 | ||
96 | /* See local README for interface description. */ | |
97 | ||
98 | #include "../version.h" | |
99 | ||
100 | void | |
101 | nis_version_report(FILE *f) | |
102 | { | |
103 | #ifdef DYNLOOKUP | |
104 | fprintf(f, "Library version: NIS: Exim version %s\n", EXIM_VERSION_STR); | |
105 | #endif | |
106 | } | |
107 | ||
108 | ||
e6d225ae | 109 | static lookup_info nis_lookup_info = { |
9f400174 JH |
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 */ | |
e6d225ae DW |
119 | }; |
120 | ||
121 | static lookup_info nis0_lookup_info = { | |
9f400174 JH |
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) */ | |
e6d225ae DW |
131 | }; |
132 | ||
133 | #ifdef DYNLOOKUP | |
134 | #define nis_lookup_module_info _lookup_module_info | |
135 | #endif | |
136 | ||
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 }; | |
0756eb3c PH |
139 | |
140 | /* End of lookups/nis.c */ |