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-rw-r--r--nis/nis_lookup.c164
1 files changed, 65 insertions, 99 deletions
diff --git a/nis/nis_lookup.c b/nis/nis_lookup.c
index 6f5b12b285..82db7b0b25 100644
--- a/nis/nis_lookup.c
+++ b/nis/nis_lookup.c
@@ -30,128 +30,94 @@ nis_lookup (const_nis_name name, const u_long flags)
struct ns_request req;
nis_name *names;
nis_error status;
- int is_link = 1; /* We should go at least once in the while loop */
int count_links = 0; /* We will follow only 16 links in the deep */
- int i;
+ int done = 0;
+ int name_nr = 0;
+ nis_name namebuf[2] = {NULL, NULL};
res = calloc (1, sizeof (nis_result));
if (flags & EXPAND_NAME)
{
- names = __nis_expandname (name);
+ names = nis_getnames (name);
if (names == NULL)
{
res->status = NIS_NAMEUNREACHABLE;
return res;
}
-
- i = 0;
- while (names[i] != NULL && (i == 0 || res->status > 1))
- {
- req.ns_name = names[i];
-
- while (is_link)
- {
- req.ns_object.ns_object_len = 0;
- req.ns_object.ns_object_val = NULL;
- memset (res, '\0', sizeof (nis_result));
-
- if ((status = __do_niscall (req.ns_name, NIS_LOOKUP,
- (xdrproc_t) xdr_ns_request,
- (caddr_t) & req,
- (xdrproc_t) xdr_nis_result,
- (caddr_t) res, flags)) != RPC_SUCCESS)
- {
- res->status = status;
- nis_freenames (names);
- return res;
- }
-
- if ((res->status == NIS_SUCCESS || res->status == NIS_S_SUCCESS)
- && (res->objects.objects_len > 0 &&
- res->objects.objects_val->zo_data.zo_type == LINK_OBJ))
- is_link = 1;
- else
- is_link = 0;
-
- if (is_link)
- {
- if ((flags & FOLLOW_LINKS) == FOLLOW_LINKS)
- {
- if (count_links == 16)
- {
- res->status = NIS_LINKNAMEERROR;
- return res;
- }
- else
- ++count_links;
-
- req.ns_name = res->objects.objects_val->LI_data.li_name;
- }
- else
- {
- res->status = NIS_NOTSEARCHABLE;
- return res;
- }
- }
- }
-
- ++i;
- if (res->status == NIS_NOT_ME)
- res->status = NIS_NOSUCHNAME;
- }
-
- nis_freenames (names);
}
else
{
- req.ns_name = (char *)name;
+ names = namebuf;
+ names[0] = (nis_name) name;
+ }
- while (is_link)
+ req.ns_name = names[0];
+ while (!done)
+ {
+ req.ns_object.ns_object_len = 0;
+ req.ns_object.ns_object_val = NULL;
+ memset (res, '\0', sizeof (nis_result));
+
+ status = __do_niscall (req.ns_name, NIS_LOOKUP,
+ (xdrproc_t) xdr_ns_request,
+ (caddr_t) & req,
+ (xdrproc_t) xdr_nis_result,
+ (caddr_t) res, flags);
+ if (status != NIS_SUCCESS)
+ res->status = status;
+
+ switch (res->status)
{
- req.ns_object.ns_object_len = 0;
- req.ns_object.ns_object_val = NULL;
- memset (res, '\0', sizeof (nis_result));
-
- if ((status = __do_niscall (req.ns_name, NIS_LOOKUP,
- (xdrproc_t) xdr_ns_request,
- (caddr_t) &req,
- (xdrproc_t) xdr_nis_result,
- (caddr_t) res, flags)) != RPC_SUCCESS)
+ case NIS_PARTIAL:
+ case NIS_SUCCESS:
+ case NIS_S_SUCCESS:
+ if (__type_of(NIS_RES_OBJECT (res)) == LINK_OBJ &&
+ flags & FOLLOW_LINKS) /* We are following links */
{
- res->status = status;
- return res;
+ /* if we hit the link limit, bail */
+ if (count_links > NIS_MAXLINKS)
+ {
+ res->status = NIS_LINKNAMEERROR;
+ ++done;
+ break;
+ }
+ if (count_links)
+ free (req.ns_name);
+ ++count_links;
+ req.ns_name = strdup (NIS_RES_OBJECT (res)->LI_data.li_name);
+ nis_freeresult (res);
+ res = calloc (1, sizeof (nis_result));
}
-
- if ((res->status == NIS_SUCCESS || res->status == NIS_S_SUCCESS) &&
- (res->objects.objects_len > 0 &&
- res->objects.objects_val->zo_data.zo_type == LINK_OBJ))
- is_link = 1;
else
- is_link = 0;
-
- if (is_link)
+ ++done;
+ break;
+ case NIS_CBRESULTS:
+ /* XXX Implement CALLBACK here ! */
+ ++done;
+ break;
+ default:
+ /* Try the next domainname if we don't follow a link */
+ if (count_links)
{
- if ((flags & FOLLOW_LINKS) == FOLLOW_LINKS)
- {
- if (count_links == 16)
- {
- res->status = NIS_LINKNAMEERROR;
- return res;
- }
- else
- ++count_links;
-
- req.ns_name = res->objects.objects_val->LI_data.li_name;
- }
- else
- {
- res->status = NIS_NOTSEARCHABLE;
- return res;
- }
+ free (req.ns_name);
+ res->status = NIS_LINKNAMEERROR;
+ ++done;
+ break;
}
+ ++name_nr;
+ if (names[name_nr] == NULL)
+ {
+ ++done;
+ break;
+ }
+ req.ns_name = names[name_nr];
+ break;
}
}
+ if (names != namebuf)
+ nis_freenames (names);
+
return res;
}