common/tr_gss.c

   1 #include <talloc.h>
   2
   3 #include <tr_gss.h>
   4
   5 static int tr_gss_names_destructor(void *obj)
   6 {
   7   TR_GSS_NAMES *gss_names=talloc_get_type_abort(obj, TR_GSS_NAMES);
   8   int ii=0;
   9
  10   for (ii=0; ii<TR_MAX_GSS_NAMES; ii++) {
  11     if (gss_names->names[ii]!=NULL)
  12       tr_free_name(gss_names->names[ii]);
  13   }
  14   return 0;
  15 }
  16 TR_GSS_NAMES *tr_gss_names_new(TALLOC_CTX *mem_ctx)
  17 {
  18   TR_GSS_NAMES *gn=talloc(mem_ctx, TR_GSS_NAMES);
  19   int ii=0;
  20
  21   if (gn!=NULL) {
  22     for (ii=0; ii<TR_MAX_GSS_NAMES; ii++)
  23       gn->names[ii]=NULL;
  24     talloc_set_destructor((void *)gn, tr_gss_names_destructor);
  25   }
  26   return gn;
  27 }
  28
  29 void tr_gss_names_free(TR_GSS_NAMES *gn)
  30 {
  31   talloc_free(gn);
  32 }
  33
  34 /* returns 0 on success */
  35 int tr_gss_names_add(TR_GSS_NAMES *gn, TR_NAME *new)
  36 {
  37   int ii=0;
  38
  39   for (ii=0; ii<TR_MAX_GSS_NAMES; ii++) {
  40     if (gn->names[ii]==NULL)
  41       break;
  42   }
  43   if (ii!=TR_MAX_GSS_NAMES) {
  44     gn->names[ii]=new;
  45     return 0;
  46   } else
  47     return -1;
  48 }
  49
  50 int tr_gss_names_matches(TR_GSS_NAMES *gn, TR_NAME *name)
  51 {
  52   int ii=0;
  53
  54   for (ii=0; ii<TR_MAX_GSS_NAMES; ii++) {
  55     if ((gn->names[ii]!=NULL) &&
  56         (0==tr_name_cmp(gn->names[ii], name)))
  57       return 1;
  58   }
  59   return 0;
  60 }
  61
  62 /* iterators */
  63 TR_GSS_NAMES_ITER *tr_gss_names_iter_new(TALLOC_CTX *mem_ctx)
  64 {
  65   TR_GSS_NAMES_ITER *iter=talloc(mem_ctx, TR_GSS_NAMES_ITER);
  66   if (iter!=NULL) {
  67     iter->gn=NULL;
  68     iter->ii=0;
  69   }
  70   return iter;
  71 }
  72
  73 TR_NAME *tr_gss_names_iter_first(TR_GSS_NAMES_ITER *iter, TR_GSS_NAMES *gn)
  74 {
  75   iter->gn=gn;
  76   iter->ii=-1;
  77   return tr_gss_names_iter_next(iter);
  78 }
  79
  80 TR_NAME *tr_gss_names_iter_next(TR_GSS_NAMES_ITER *iter)
  81 {
  82   for (iter->ii++;
  83        (iter->ii < TR_MAX_GSS_NAMES) && (iter->gn->names[iter->ii]==NULL);
  84        iter->ii++) { }
  85
  86   if (iter->ii<TR_MAX_GSS_NAMES)
  87     return iter->gn->names[iter->ii];
  88
  89   return NULL;
  90 }
  91
  92 void tr_gss_names_iter_free(TR_GSS_NAMES_ITER *iter)
  93 {
  94   talloc_free(iter);
  95 }