diff options
Diffstat (limited to 'nis/nss_nisplus/nisplus-proto.c')
| -rw-r--r-- | nis/nss_nisplus/nisplus-proto.c | 42 |
1 files changed, 28 insertions, 14 deletions
diff --git a/nis/nss_nisplus/nisplus-proto.c b/nis/nss_nisplus/nisplus-proto.c index 10f9a38..83456ca 100644 --- a/nis/nss_nisplus/nisplus-proto.c +++ b/nis/nss_nisplus/nisplus-proto.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1998, 2001, 2002 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1998, 2001, 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997. @@ -296,21 +296,30 @@ _nss_nisplus_getprotobyname_r (const char *name, struct protoent *proto, 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, - "protocols_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, + "protocols_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) + { + __set_errno (ENOMEM); + return NSS_STATUS_TRYAGAIN; + } if (niserr2nss (result->status) != NSS_STATUS_SUCCESS) { enum nss_status status = niserr2nss (result->status); @@ -365,6 +374,11 @@ _nss_nisplus_getprotobynumber_r (const int number, struct protoent *proto, result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL); + if (result == NULL) + { + __set_errno (ENOMEM); + return NSS_STATUS_TRYAGAIN; + } if (niserr2nss (result->status) != NSS_STATUS_SUCCESS) { enum nss_status status = niserr2nss (result->status); |