src/src/lookups/passwd.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2015 */
   6 /* See the file NOTICE for conditions of use and distribution. */
   7
   8 #include "../exim.h"
   9
  10
  11
  12 /*************************************************
  13 *              Open entry point                  *
  14 *************************************************/
  15
  16 /* See local README for interface description */
  17
  18 static void *
  19 passwd_open(const uschar * filename, uschar ** errmsg)
  20 {
  21 filename = filename;     /* Keep picky compilers happy */
  22 errmsg = errmsg;
  23 return (void *)(-1);     /* Just return something non-null */
  24 }
  25
  26
  27
  28
  29 /*************************************************
  30 *         Find entry point for passwd           *
  31 *************************************************/
  32
  33 /* See local README for interface description */
  34
  35 static int
  36 passwd_find(void * handle, const uschar * filename, const uschar * keystring,
  37   int length, uschar ** result, uschar ** errmsg, uint * do_cache,
  38   const uschar * opts)
  39 {
  40 struct passwd *pw;
  41
  42 handle = handle;         /* Keep picky compilers happy */
  43 filename = filename;
  44 length = length;
  45 errmsg = errmsg;
  46 do_cache = do_cache;
  47
  48 if (!route_finduser(keystring, &pw, NULL)) return FAIL;
  49 *result = string_sprintf("*:%d:%d:%s:%s:%s", (int)pw->pw_uid, (int)pw->pw_gid,
  50   pw->pw_gecos, pw->pw_dir, pw->pw_shell);
  51 return OK;
  52 }
  53
  54
  55
  56 /*************************************************
  57 *         Version reporting entry point          *
  58 *************************************************/
  59
  60 /* See local README for interface description. */
  61
  62 #include "../version.h"
  63
  64 void
  65 passwd_version_report(FILE *f)
  66 {
  67 #ifdef DYNLOOKUP
  68 fprintf(f, "Library version: passwd: Exim version %s\n", EXIM_VERSION_STR);
  69 #endif
  70 }
  71
  72 static lookup_info _lookup_info = {
  73   .name = US"passwd",                   /* lookup name */
  74   .type = lookup_querystyle,            /* query-style lookup */
  75   .open = passwd_open,                  /* open function */
  76   .check = NULL,                        /* no check function */
  77   .find = passwd_find,                  /* find function */
  78   .close = NULL,                        /* no close function */
  79   .tidy = NULL,                         /* no tidy function */
  80   .quote = NULL,                        /* no quoting function */
  81   .version_report = passwd_version_report          /* version reporting */
  82 };
  83
  84 #ifdef DYNLOOKUP
  85 #define passwd_lookup_module_info _lookup_module_info
  86 #endif
  87
  88 static lookup_info *_lookup_list[] = { &_lookup_info };
  89 lookup_module_info passwd_lookup_module_info = { LOOKUP_MODULE_INFO_MAGIC, _lookup_list, 1 };
  90
  91 /* End of lookups/passwd.c */