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Diffstat (limited to 'nis/nss_nisplus/nisplus-ethers.c')
-rw-r--r--nis/nss_nisplus/nisplus-ethers.c96
1 files changed, 59 insertions, 37 deletions
diff --git a/nis/nss_nisplus/nisplus-ethers.c b/nis/nss_nisplus/nisplus-ethers.c
index 8ca6935cc7..76805f1403 100644
--- a/nis/nss_nisplus/nisplus-ethers.c
+++ b/nis/nss_nisplus/nisplus-ethers.c
@@ -53,7 +53,7 @@ struct etherent_data {};
static int
_nss_nisplus_parse_etherent (nis_result *result, struct etherent *ether,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
char *p = buffer;
size_t room_left = buflen;
@@ -61,18 +61,18 @@ _nss_nisplus_parse_etherent (nis_result *result, struct etherent *ether,
if (result == NULL)
return 0;
- if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) ||
- result->objects.objects_len != 1 ||
- __type_of (NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ ||
- strcmp(NIS_RES_OBJECT (result)->EN_data.en_type,
- "ethers_tbl") != 0 ||
- NIS_RES_OBJECT(result)->EN_data.en_cols.en_cols_len < 2)
+ if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
+ || result->objects.objects_len != 1
+ || __type_of (NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ
+ || strcmp (NIS_RES_OBJECT (result)->EN_data.en_type,
+ "ethers_tbl") != 0
+ || NIS_RES_OBJECT (result)->EN_data.en_cols.en_cols_len < 2)
return 0;
/* Generate the ether entry format and use the normal parser */
if (NISENTRYLEN (0, 0, result) +1 > room_left)
{
- __set_errno (ERANGE);
+ *errnop = ERANGE;
return -1;
}
strncpy (p, NISENTRYVAL (0, 0, result), NISENTRYLEN (0, 0, result));
@@ -85,7 +85,7 @@ _nss_nisplus_parse_etherent (nis_result *result, struct etherent *ether,
}
static enum nss_status
-_nss_create_tablename (void)
+_nss_create_tablename (int *errnop)
{
if (tablename_val == NULL)
{
@@ -96,7 +96,10 @@ _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;
@@ -107,6 +110,7 @@ enum nss_status
_nss_nisplus_setetherent (void)
{
enum nss_status status;
+ int err;
status = NSS_STATUS_SUCCESS;
@@ -116,7 +120,7 @@ _nss_nisplus_setetherent (void)
nis_freeresult (result);
result = NULL;
- if (_nss_create_tablename () != NSS_STATUS_SUCCESS)
+ if (_nss_create_tablename (&err) != NSS_STATUS_SUCCESS)
status = NSS_STATUS_UNAVAIL;
__libc_lock_unlock (lock);
@@ -140,13 +144,17 @@ _nss_nisplus_endetherent (void)
static enum nss_status
internal_nisplus_getetherent_r (struct etherent *ether, char *buffer,
- size_t buflen)
+ size_t buflen, int *errnop)
{
int parse_res;
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;
+ }
/* Get the next entry until we found a correct one. */
do
@@ -156,7 +164,7 @@ internal_nisplus_getetherent_r (struct etherent *ether, char *buffer,
if (result == NULL)
{
saved_result = NULL;
- result = nis_first_entry(tablename_val);
+ result = nis_first_entry (tablename_val);
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
return niserr2nss (result->status);
}
@@ -174,10 +182,12 @@ internal_nisplus_getetherent_r (struct etherent *ether, char *buffer,
}
}
- if ((parse_res = _nss_nisplus_parse_etherent (result, ether, buffer,
- buflen)) == -1)
+ parse_res = _nss_nisplus_parse_etherent (result, ether, buffer,
+ buflen, errnop);
+ if (parse_res == -1)
{
nis_freeresult (result);
+ *errnop = ERANGE;
result = saved_result;
return NSS_STATUS_TRYAGAIN;
}
@@ -194,13 +204,13 @@ internal_nisplus_getetherent_r (struct etherent *ether, char *buffer,
enum nss_status
_nss_nisplus_getetherent_r (struct etherent *result, char *buffer,
- size_t buflen)
+ size_t buflen, int *errnop)
{
int status;
__libc_lock_lock (lock);
- status = internal_nisplus_getetherent_r (result, buffer, buflen);
+ status = internal_nisplus_getetherent_r (result, buffer, buflen, errnop);
__libc_lock_unlock (lock);
@@ -209,22 +219,26 @@ _nss_nisplus_getetherent_r (struct etherent *result, char *buffer,
enum nss_status
_nss_nisplus_gethostton_r (const char *name, struct etherent *eth,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
int parse_res;
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)
{
nis_result *result;
char buf[strlen (name) + 40 + tablename_len];
- sprintf(buf, "[name=%s],%s", name, tablename_val);
+ sprintf (buf, "[name=%s],%s", name, tablename_val);
- result = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
@@ -233,10 +247,12 @@ _nss_nisplus_gethostton_r (const char *name, struct etherent *eth,
return status;
}
- if ((parse_res = _nss_nisplus_parse_etherent (result, eth, buffer,
- buflen)) == -1)
+ parse_res = _nss_nisplus_parse_etherent (result, eth, buffer,
+ buflen, errnop);
+ if (parse_res == -1)
{
nis_freeresult (result);
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
@@ -249,15 +265,19 @@ _nss_nisplus_gethostton_r (const char *name, struct etherent *eth,
enum nss_status
_nss_nisplus_getntohost_r (const struct ether_addr *addr,
struct etherent *eth,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
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 (addr == NULL)
{
- __set_errno (EINVAL);
+ *errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
else
@@ -267,12 +287,12 @@ _nss_nisplus_getntohost_r (const struct ether_addr *addr,
char buf[255 + tablename_len];
memset (&buf, '\0', sizeof (buf));
- sprintf(buf, "[addr=%x:%x:%x:%x:%x:%x],ethers.org_dir",
- addr->ether_addr_octet[0], addr->ether_addr_octet[1],
- addr->ether_addr_octet[2], addr->ether_addr_octet[3],
- addr->ether_addr_octet[4], addr->ether_addr_octet[5]);
+ sprintf (buf, "[addr=%x:%x:%x:%x:%x:%x],ethers.org_dir",
+ addr->ether_addr_octet[0], addr->ether_addr_octet[1],
+ addr->ether_addr_octet[2], addr->ether_addr_octet[3],
+ addr->ether_addr_octet[4], addr->ether_addr_octet[5]);
- result = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
@@ -281,10 +301,12 @@ _nss_nisplus_getntohost_r (const struct ether_addr *addr,
return status;
}
- if ((parse_res = _nss_nisplus_parse_etherent (result, eth, buffer,
- buflen)) == -1)
+ parse_res = _nss_nisplus_parse_etherent (result, eth, buffer,
+ buflen, errnop);
+ if (parse_res == -1)
{
nis_freeresult (result);
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 09:34:03 +0000