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Diffstat (limited to '')
| -rw-r--r-- | src/lookups/nis.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/lookups/nis.c b/src/lookups/nis.c new file mode 100644 index 0000000..d3f0480 --- /dev/null +++ b/src/lookups/nis.c @@ -0,0 +1,137 @@ +/************************************************* +* Exim - an Internet mail transport agent * +*************************************************/ + +/* Copyright (c) University of Cambridge 1995 - 2015 */ +/* See the file NOTICE for conditions of use and distribution. */ + +#include "../exim.h" +#include "lf_functions.h" + +#include <rpcsvc/ypclnt.h> + + +/************************************************* +* Open entry point * +*************************************************/ + +/* See local README for interface description. This serves for both +the "nis" and "nis0" lookup types. */ + +static void * +nis_open(uschar *filename, uschar **errmsg) +{ +char *nis_domain; +if (yp_get_default_domain(&nis_domain) != 0) + { + *errmsg = string_sprintf("failed to get default NIS domain"); + return NULL; + } +return nis_domain; +} + + + +/************************************************* +* Find entry point for nis * +*************************************************/ + +/* See local README for interface description. A separate function is used +for nis0 because they are so short it isn't worth trying to use any common +code. */ + +static int +nis_find(void *handle, uschar *filename, const uschar *keystring, int length, + uschar **result, uschar **errmsg, uint *do_cache) +{ +int rc; +uschar *nis_data; +int nis_data_length; +do_cache = do_cache; /* Placate picky compilers */ +if ((rc = yp_match(CCS handle, CCS filename, CCS keystring, length, + CSS &nis_data, &nis_data_length)) == 0) + { + *result = string_copy(nis_data); + (*result)[nis_data_length] = 0; /* remove final '\n' */ + return OK; + } +return (rc == YPERR_KEY || rc == YPERR_MAP)? FAIL : DEFER; +} + + + +/************************************************* +* Find entry point for nis0 * +*************************************************/ + +/* See local README for interface description. */ + +static int +nis0_find(void *handle, uschar *filename, const uschar *keystring, int length, + uschar **result, uschar **errmsg, uint *do_cache) +{ +int rc; +uschar *nis_data; +int nis_data_length; +do_cache = do_cache; /* Placate picky compilers */ +if ((rc = yp_match(CCS handle, CCS filename, CCS keystring, length + 1, + CSS &nis_data, &nis_data_length)) == 0) + { + *result = string_copy(nis_data); + (*result)[nis_data_length] = 0; /* remove final '\n' */ + return OK; + } +return (rc == YPERR_KEY || rc == YPERR_MAP)? FAIL : DEFER; +} + + + +/************************************************* +* Version reporting entry point * +*************************************************/ + +/* See local README for interface description. */ + +#include "../version.h" + +void +nis_version_report(FILE *f) +{ +#ifdef DYNLOOKUP +fprintf(f, "Library version: NIS: Exim version %s\n", EXIM_VERSION_STR); +#endif +} + + +static lookup_info nis_lookup_info = { + US"nis", /* lookup name */ + 0, /* not abs file, not query style*/ + nis_open, /* open function */ + NULL, /* check function */ + nis_find, /* find function */ + NULL, /* no close function */ + NULL, /* no tidy function */ + NULL, /* no quoting function */ + nis_version_report /* version reporting */ +}; + +static lookup_info nis0_lookup_info = { + US"nis0", /* lookup name */ + 0, /* not absfile, not query style */ + nis_open, /* sic */ /* open function */ + NULL, /* check function */ + nis0_find, /* find function */ + NULL, /* no close function */ + NULL, /* no tidy function */ + NULL, /* no quoting function */ + NULL /* no version reporting (redundant) */ +}; + +#ifdef DYNLOOKUP +#define nis_lookup_module_info _lookup_module_info +#endif + +static lookup_info *_lookup_list[] = { &nis_lookup_info, &nis0_lookup_info }; +lookup_module_info nis_lookup_module_info = { LOOKUP_MODULE_INFO_MAGIC, _lookup_list, 2 }; + +/* End of lookups/nis.c */ |