diff options
Diffstat (limited to 'nis')
| -rw-r--r-- | nis/nis_call.c | 2 | ||||
| -rw-r--r-- | nis/nis_lookup.c | 67 |
2 files changed, 26 insertions, 43 deletions
diff --git a/nis/nis_call.c b/nis/nis_call.c index 9769f68..f8f00d8 100644 --- a/nis/nis_call.c +++ b/nis/nis_call.c @@ -405,7 +405,7 @@ rec_dirsearch (const_nis_name name, directory_obj *dir, nis_error *status) ++run; } while (nis_dir_cmp (domain, dir->do_name) != SAME_NAME); - printf("%s: run=%u\n", __func__, run); + if (run == 1) { /* We have found the directory above. Use it. */ diff --git a/nis/nis_lookup.c b/nis/nis_lookup.c index 821b9bc..c198376 100644 --- a/nis/nis_lookup.c +++ b/nis/nis_lookup.c @@ -21,6 +21,8 @@ #include <rpcsvc/nis.h> #include "nis_xdr.h" #include "nis_intern.h" +#include <libnsl.h> + nis_result * nis_lookup (const_nis_name name, const unsigned int flags) @@ -61,36 +63,18 @@ nis_lookup (const_nis_name name, const unsigned int flags) req.ns_object.ns_object_len = 0; req.ns_object.ns_object_val = NULL; - status = __nisfind_server (req.ns_name, &dir); - if (status != NIS_SUCCESS) + status = __prepare_niscall (req.ns_name, &dir, &bptr, flags); + if (__builtin_expect (status != NIS_SUCCESS, 0)) { NIS_RES_STATUS (res) = status; goto out; } - status = __nisbind_create (&bptr, dir->do_servers.do_servers_val, - dir->do_servers.do_servers_len, flags); - if (status != NIS_SUCCESS) - { - NIS_RES_STATUS (res) = status; - nis_free_directory (dir); - goto out;; - } - - while (__nisbind_connect (&bptr) != NIS_SUCCESS) - { - if (__nisbind_next (&bptr) != NIS_SUCCESS) - { - nis_free_directory (dir); - NIS_RES_STATUS (res) = NIS_NAMEUNREACHABLE; - goto out; - } - } - do { static const struct timeval RPCTIMEOUT = {10, 0}; enum clnt_stat result; + char ndomain[strlen (req.ns_name) + 1]; again: result = clnt_call (bptr.clnt, NIS_LOOKUP, @@ -106,11 +90,9 @@ nis_lookup (const_nis_name name, const unsigned int flags) if (NIS_RES_STATUS (res) == NIS_SUCCESS) { - if (__type_of(NIS_RES_OBJECT (res)) == NIS_LINK_OBJ + if (__type_of (NIS_RES_OBJECT (res)) == NIS_LINK_OBJ && (flags & FOLLOW_LINKS)) /* We are following links */ { - if (count_links) - free (req.ns_name); /* if we hit the link limit, bail */ if (count_links > NIS_MAXLINKS) { @@ -119,31 +101,15 @@ nis_lookup (const_nis_name name, const unsigned int flags) } ++count_links; req.ns_name = - strdup (NIS_RES_OBJECT (res)->LI_data.li_name); - if (req.ns_name == NULL) - { - nis_free_directory (dir); - res = NULL; - goto out; - } + strdupa (NIS_RES_OBJECT (res)->LI_data.li_name); /* The following is a non-obvious optimization. A nis_freeresult call would call xdr_free as the following code. But it also would unnecessarily free the result structure. We avoid this here along with the necessary tests. */ -#if 1 xdr_free ((xdrproc_t) _xdr_nis_result, (char *) res); memset (res, '\0', sizeof (*res)); -#else - nis_freeresult (res); - res = calloc (1, sizeof (nis_result)); - if (res == NULL) - { - __nisbind_destroy (&bptr); - return NULL; - } -#endif link_first_try = 1; /* Try at first the old binding */ goto again; @@ -176,7 +142,24 @@ nis_lookup (const_nis_name name, const unsigned int flags) } else if (__nisbind_next (&bptr) != NIS_SUCCESS) - break; /* No more servers to search */ + { + /* No more servers to search. Try parent. */ + nis_domain_of_r (req.ns_name, ndomain, + sizeof (ndomain)); + req.ns_name = strdupa (ndomain); + + __nisbind_destroy (&bptr); + nis_free_directory (dir); + dir = NULL; + status = __prepare_niscall (req.ns_name, &dir, + &bptr, flags); + if (__builtin_expect (status != NIS_SUCCESS, 0)) + { + NIS_RES_STATUS (res) = status; + goto out; + } + goto again; + } while (__nisbind_connect (&bptr) != NIS_SUCCESS) { |