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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.c125
1 files changed, 75 insertions, 50 deletions
diff --git a/nis/nss_nisplus/nisplus-network.c b/nis/nss_nisplus/nisplus-network.c
index e548017068..b39a54fe03 100644
--- a/nis/nss_nisplus/nisplus-network.c
+++ b/nis/nss_nisplus/nisplus-network.c
@@ -43,7 +43,7 @@ static u_long tablename_len = 0;
static int
_nss_nisplus_parse_netent (nis_result *result, struct netent *network,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
char *first_unused = buffer;
size_t room_left = buflen;
@@ -53,24 +53,24 @@ _nss_nisplus_parse_netent (nis_result *result, struct netent *network,
if (result == NULL)
return 0;
- if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) ||
- __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ ||
- strcmp(result->objects.objects_val[0].EN_data.en_type,
- "networks_tbl") != 0 ||
- result->objects.objects_val[0].EN_data.en_cols.en_cols_len < 3)
+ if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
+ || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
+ || strcmp (result->objects.objects_val[0].EN_data.en_type,
+ "networks_tbl") != 0
+ || result->objects.objects_val[0].EN_data.en_cols.en_cols_len < 3)
return 0;
if (NISENTRYLEN(0, 0, result) >= room_left)
{
/* The line is too long for our buffer. */
no_more_room:
- __set_errno (ERANGE);
+ *errnop = ERANGE;
return -1;
}
strncpy (first_unused, NISENTRYVAL(0, 0, result),
NISENTRYLEN (0, 0, result));
- first_unused[NISENTRYLEN(0, 0, result)] = '\0';
+ first_unused[NISENTRYLEN (0, 0, result)] = '\0';
network->n_name = first_unused;
room_left -= (strlen (first_unused) +1);
first_unused += strlen (first_unused) +1;
@@ -142,7 +142,7 @@ _nss_nisplus_parse_netent (nis_result *result, struct netent *network,
}
static enum nss_status
-_nss_create_tablename (void)
+_nss_create_tablename (int *errnop)
{
if (tablename_val == NULL)
{
@@ -153,7 +153,10 @@ _nss_create_tablename (void)
p = __stpcpy (p, nis_local_directory ());
tablename_val = __strdup (buf);
if (tablename_val == NULL)
- return NSS_STATUS_TRYAGAIN;
+ {
+ *errnop = errno;
+ return NSS_STATUS_TRYAGAIN;
+ }
tablename_len = strlen (tablename_val);
}
return NSS_STATUS_SUCCESS;
@@ -163,6 +166,7 @@ enum nss_status
_nss_nisplus_setnetent (void)
{
enum nss_status status = NSS_STATUS_SUCCESS;
+ int err;
__libc_lock_lock (lock);
@@ -171,8 +175,7 @@ _nss_nisplus_setnetent (void)
result = NULL;
if (tablename_val == NULL)
- if (_nss_create_tablename () != NSS_STATUS_SUCCESS)
- status = NSS_STATUS_UNAVAIL;
+ status = _nss_create_tablename (&err);
__libc_lock_unlock (lock);
@@ -195,7 +198,7 @@ _nss_nisplus_endnetent (void)
static enum nss_status
internal_nisplus_getnetent_r (struct netent *network, char *buffer,
- size_t buflen, int *herrnop)
+ size_t buflen, int *errnop, int *herrnop)
{
int parse_res;
@@ -209,10 +212,14 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
saved_res = NULL;
if (tablename_val == NULL)
- if (_nss_create_tablename() != NSS_STATUS_SUCCESS)
- return NSS_STATUS_UNAVAIL;
+ {
+ enum nss_status status = _nss_create_tablename (errnop);
+
+ if (status != NSS_STATUS_SUCCESS)
+ return status;
+ }
- result = nis_first_entry(tablename_val);
+ result = nis_first_entry (tablename_val);
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
int retval;
@@ -223,7 +230,7 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
if (retval == NSS_STATUS_TRYAGAIN)
{
*herrnop = NETDB_INTERNAL;
- __set_errno (EAGAIN);
+ *errnop = errno;
return retval;
}
else
@@ -234,7 +241,7 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
{
nis_result *res;
- res = nis_next_entry(tablename_val, &result->cookie);
+ res = nis_next_entry (tablename_val, &result->cookie);
saved_res = result;
result = res;
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
@@ -247,14 +254,15 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
if (retval == NSS_STATUS_TRYAGAIN)
{
*herrnop = NETDB_INTERNAL;
- __set_errno (EAGAIN);
+ *errnop = errno;
}
return retval;
}
}
- if ((parse_res = _nss_nisplus_parse_netent (result, network, buffer,
- buflen)) == -1)
+ parse_res = _nss_nisplus_parse_netent (result, network, buffer,
+ buflen, errnop);
+ if (parse_res == -1)
{
*herrnop = NETDB_INTERNAL;
return NSS_STATUS_TRYAGAIN;
@@ -267,13 +275,14 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
enum nss_status
_nss_nisplus_getnetent_r (struct netent *result, char *buffer,
- size_t buflen, int *herrnop)
+ size_t buflen, int *errnop, int *herrnop)
{
int status;
__libc_lock_lock (lock);
- status = internal_nisplus_getnetent_r (result, buffer, buflen, herrnop);
+ status = internal_nisplus_getnetent_r (result, buffer, buflen, errnop,
+ herrnop);
__libc_lock_unlock (lock);
@@ -282,17 +291,22 @@ _nss_nisplus_getnetent_r (struct netent *result, char *buffer,
enum nss_status
_nss_nisplus_getnetbyname_r (const char *name, struct netent *network,
- char *buffer, size_t buflen, int *herrnop)
+ char *buffer, size_t buflen, int *errnop,
+ int *herrnop)
{
int parse_res, retval;
if (tablename_val == NULL)
- if (_nss_create_tablename() != NSS_STATUS_SUCCESS)
- return NSS_STATUS_UNAVAIL;
+ {
+ enum nss_status status = _nss_create_tablename (errnop);
+
+ if (status != NSS_STATUS_SUCCESS)
+ return status;
+ }
if (name == NULL)
{
- __set_errno (EINVAL);
+ *errnop = EINVAL;
*herrnop = NETDB_INTERNAL;
return NSS_STATUS_UNAVAIL;
}
@@ -303,38 +317,38 @@ _nss_nisplus_getnetbyname_r (const char *name, struct netent *network,
/* Search at first in the alias list, and use the correct name
for the next search */
- sprintf(buf, "[name=%s],%s", name, tablename_val);
- result = nis_list(buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
+ sprintf (buf, "[name=%s],%s", name, tablename_val);
+ result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH, 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[0].EN_data.en_type,
- "networks_tbl") != 0 ||
- result->objects.objects_val[0].EN_data.en_cols.en_cols_len < 3)
- sprintf(buf, "[cname=%s],%s", name, tablename_val);
+ if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
+ || __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
+ || strcmp (result->objects.objects_val[0].EN_data.en_type,
+ "networks_tbl") != 0
+ || result->objects.objects_val[0].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);
+ sprintf (buf, "[cname=%s],%s", NISENTRYVAL (0, 0, result),
+ tablename_val);
nis_freeresult (result);
- result = nis_list(buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
+ result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
retval = niserr2nss (result->status);
if (retval != NSS_STATUS_SUCCESS)
{
if (retval == NSS_STATUS_TRYAGAIN)
{
- __set_errno (EAGAIN);
+ *errnop = errno;
*herrnop = NETDB_INTERNAL;
}
nis_freeresult (result);
return retval;
}
- parse_res = _nss_nisplus_parse_netent (result, network, buffer, buflen);
+ parse_res = _nss_nisplus_parse_netent (result, network, buffer, buflen,
+ errnop);
nis_freeresult (result);
@@ -343,7 +357,10 @@ _nss_nisplus_getnetbyname_r (const char *name, struct netent *network,
*herrnop = NETDB_INTERNAL;
if (parse_res == -1)
- return NSS_STATUS_TRYAGAIN;
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
else
return NSS_STATUS_NOTFOUND;
}
@@ -352,12 +369,16 @@ _nss_nisplus_getnetbyname_r (const char *name, struct netent *network,
/* XXX type is ignored, SUN's NIS+ table doesn't support it */
enum nss_status
_nss_nisplus_getnetbyaddr_r (const unsigned long addr, const int type,
- struct netent *network,
- char *buffer, size_t buflen, int *herrnop)
+ struct netent *network, char *buffer,
+ size_t buflen, int *errnop, int *herrnop)
{
if (tablename_val == NULL)
- if (_nss_create_tablename() != NSS_STATUS_SUCCESS)
- return NSS_STATUS_UNAVAIL;
+ {
+ enum nss_status status = _nss_create_tablename (errnop);
+
+ if (status != NSS_STATUS_SUCCESS)
+ return status;
+ }
{
int parse_res, retval;
@@ -368,21 +389,22 @@ _nss_nisplus_getnetbyaddr_r (const unsigned long addr, const int type,
in = inet_makeaddr (addr, 0);
sprintf (buf, "[addr=%s],%s", inet_ntoa (in), tablename_val);
- result = nis_list(buf, EXPAND_NAME, NULL, NULL);
+ result = nis_list (buf, EXPAND_NAME, NULL, NULL);
retval = niserr2nss (result->status);
if (retval != NSS_STATUS_SUCCESS)
{
if (retval == NSS_STATUS_TRYAGAIN)
{
- __set_errno (EAGAIN);
+ *errnop = errno;
*herrnop = NETDB_INTERNAL;
}
nis_freeresult (result);
return retval;
}
- parse_res = _nss_nisplus_parse_netent (result, network, buffer, buflen);
+ parse_res = _nss_nisplus_parse_netent (result, network, buffer, buflen,
+ errnop);
nis_freeresult (result);
@@ -391,7 +413,10 @@ _nss_nisplus_getnetbyaddr_r (const unsigned long addr, const int type,
*herrnop = NETDB_INTERNAL;
if (parse_res == -1)
- return NSS_STATUS_TRYAGAIN;
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
else
return NSS_STATUS_NOTFOUND;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 03:09:48 +0000