diff options
Diffstat (limited to 'nis/nss_nisplus/nisplus-hosts.c')
| -rw-r--r-- | nis/nss_nisplus/nisplus-hosts.c | 42 |
1 files changed, 28 insertions, 14 deletions
diff --git a/nis/nss_nisplus/nisplus-hosts.c b/nis/nss_nisplus/nisplus-hosts.c index b8c9fdf228..540469894e 100644 --- a/nis/nss_nisplus/nisplus-hosts.c +++ b/nis/nss_nisplus/nisplus-hosts.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997,1998,1999,2000,2001,2002 Free Software Foundation, Inc. +/* Copyright (C) 1997-2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997. @@ -361,21 +361,30 @@ internal_gethostbyname2_r (const char *name, int af, struct hostent *host, sprintf (buf, "[name=%s],%s", name, tablename_val); result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL); - /* If we do not find it, try it as original name. But if the - database is correct, we should find it in the first case, too */ - if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) - || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ - || strcmp (result->objects.objects_val->EN_data.en_type, - "hosts_tbl") != 0 - || result->objects.objects_val->EN_data.en_cols.en_cols_len < 3) - sprintf (buf, "[cname=%s],%s", name, tablename_val); - else - sprintf (buf, "[cname=%s],%s", NISENTRYVAL(0, 0, result), - tablename_val); + if (result != NULL) + { + /* If we do not find it, try it as original name. But if the + database is correct, we should find it in the first case, too */ + if ((result->status != NIS_SUCCESS + && result->status != NIS_S_SUCCESS) + || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ + || strcmp (result->objects.objects_val->EN_data.en_type, + "hosts_tbl") != 0 + || result->objects.objects_val->EN_data.en_cols.en_cols_len < 3) + sprintf (buf, "[cname=%s],%s", name, tablename_val); + else + sprintf (buf, "[cname=%s],%s", NISENTRYVAL(0, 0, result), + tablename_val); - nis_freeresult (result); - result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL); + nis_freeresult (result); + result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL); + } + if (result == NULL) + { + *errnop = ENOMEM; + return NSS_STATUS_TRYAGAIN; + } retval = niserr2nss (result->status); if (retval != NSS_STATUS_SUCCESS) { @@ -479,6 +488,11 @@ _nss_nisplus_gethostbyaddr_r (const void *addr, socklen_t addrlen, int af, inet_ntoa (*(const struct in_addr *) addr), tablename_val); result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL); + if (result == NULL) + { + __set_errno (ENOMEM); + return NSS_STATUS_TRYAGAIN; + } retval = niserr2nss (result->status); if (retval != NSS_STATUS_SUCCESS) { |