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path: root/nis/nss_nisplus/nisplus-network.c
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Diffstat (limited to 'nis/nss_nisplus/nisplus-network.c')
-rw-r--r--nis/nss_nisplus/nisplus-network.c45
1 files changed, 24 insertions, 21 deletions
diff --git a/nis/nss_nisplus/nisplus-network.c b/nis/nss_nisplus/nisplus-network.c
index 183722633f..57362dba78 100644
--- a/nis/nss_nisplus/nisplus-network.c
+++ b/nis/nss_nisplus/nisplus-network.c
@@ -66,7 +66,7 @@ _nss_nisplus_parse_netent (nis_result *result, struct netent *network,
/* The line is too long for our buffer. */
no_more_room:
__set_errno (ERANGE);
- return 0;
+ return -1;
}
strncpy (first_unused, NISENTRYVAL(0, 0, result),
@@ -85,10 +85,8 @@ _nss_nisplus_parse_netent (nis_result *result, struct netent *network,
if (strcmp (NISENTRYVAL (i, 1, result), network->n_name) != 0)
{
if (NISENTRYLEN (i, 1, result) + 2 > room_left)
- {
- __set_errno (ERANGE);
- return 0;
- }
+ goto no_more_room;
+
*p++ = ' ';
p = stpncpy (p, NISENTRYVAL (i, 1, result),
NISENTRYLEN (i, 1, result));
@@ -120,10 +118,7 @@ _nss_nisplus_parse_netent (nis_result *result, struct netent *network,
break;
if (room_left < sizeof (char *))
- {
- __set_errno (ERANGE);
- return 0;
- }
+ goto no_more_room;
room_left -= sizeof (char *);
network->n_aliases[i] = line;
@@ -208,8 +203,12 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
/* Get the next entry until we found a correct one. */
do
{
+ nis_result *saved_res;
+
if (result == NULL)
{
+ saved_res = NULL;
+
if (tablename_val == NULL)
if (_nss_create_tablename() != NSS_STATUS_SUCCESS)
return NSS_STATUS_UNAVAIL;
@@ -218,8 +217,10 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
int retval;
-
+
retval = niserr2nss (result->status);
+ nis_freeresult (result);
+ result = NULL;
if (retval == NSS_STATUS_TRYAGAIN)
{
*herrnop = NETDB_INTERNAL;
@@ -235,13 +236,15 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
nis_result *res;
res = nis_next_entry(tablename_val, &result->cookie);
- nis_freeresult (result);
+ saved_res = result;
result = res;
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
int retval;
retval = niserr2nss (result->status);
+ nis_freeresult (result);
+ result = saved_res;
if (retval == NSS_STATUS_TRYAGAIN)
{
*herrnop = NETDB_INTERNAL;
@@ -251,15 +254,15 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
}
}
- parse_res = _nss_nisplus_parse_netent (result, network, buffer, buflen);
- if (!parse_res && errno == ERANGE)
+ if ((parse_res = _nss_nisplus_parse_netent (result, network, buffer,
+ buflen)) == -1)
{
*herrnop = NETDB_INTERNAL;
return NSS_STATUS_TRYAGAIN;
}
-
+
} while (!parse_res);
-
+
return NSS_STATUS_SUCCESS;
}
@@ -298,7 +301,7 @@ _nss_nisplus_getnetbyname_r (const char *name, struct netent *network,
{
nis_result *result;
char buf[strlen (name) + 255 + tablename_len];
-
+
/* Search at first in the alias list, and use the correct name
for the next search */
sprintf(buf, "[name=%s],%s", name, tablename_val);
@@ -336,11 +339,11 @@ _nss_nisplus_getnetbyname_r (const char *name, struct netent *network,
nis_freeresult (result);
- if (parse_res)
+ if (parse_res > 0)
return NSS_STATUS_SUCCESS;
*herrnop = NETDB_INTERNAL;
- if (!parse_res && errno == ERANGE)
+ if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
else
return NSS_STATUS_NOTFOUND;
@@ -385,11 +388,11 @@ _nss_nisplus_getnetbyaddr_r (const unsigned long addr, const int type,
nis_freeresult (result);
- if (parse_res)
+ if (parse_res > 0)
return NSS_STATUS_SUCCESS;
-
+
*herrnop = NETDB_INTERNAL;
- if (!parse_res && errno == ERANGE)
+ if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
else
return NSS_STATUS_NOTFOUND;