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Diffstat (limited to 'nis/nss_nisplus/nisplus-service.c')
-rw-r--r--nis/nss_nisplus/nisplus-service.c99
1 files changed, 62 insertions, 37 deletions
diff --git a/nis/nss_nisplus/nisplus-service.c b/nis/nss_nisplus/nisplus-service.c
index 95a8cfa74b..1cb1aec8d7 100644
--- a/nis/nss_nisplus/nisplus-service.c
+++ b/nis/nss_nisplus/nisplus-service.c
@@ -41,7 +41,7 @@ static u_long tablename_len = 0;
static int
_nss_nisplus_parse_servent (nis_result *result, struct servent *serv,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
char *first_unused = buffer;
size_t room_left = buflen;
@@ -51,17 +51,17 @@ _nss_nisplus_parse_servent (nis_result *result, struct servent *serv,
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->EN_data.en_type,
- "services_tbl") != 0 ||
- result->objects.objects_val->EN_data.en_cols.en_cols_len < 4)
+ 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,
+ "services_tbl") != 0
+ || result->objects.objects_val->EN_data.en_cols.en_cols_len < 4)
return 0;
if (NISENTRYLEN (0, 0, result) >= room_left)
{
no_more_room:
- __set_errno (ERANGE);
+ *errnop = ERANGE;
return -1;
}
strncpy (first_unused, NISENTRYVAL (0, 0, result),
@@ -77,8 +77,8 @@ _nss_nisplus_parse_servent (nis_result *result, struct servent *serv,
NISENTRYLEN (0, 2, result));
first_unused[NISENTRYLEN (0, 2, result)] = '\0';
serv->s_proto = first_unused;
- room_left -= (strlen (first_unused) +1);
- first_unused += strlen (first_unused) +1;
+ room_left -= strlen (first_unused) + 1;
+ first_unused += strlen (first_unused) + 1;
serv->s_port = atoi (NISENTRYVAL (0, 3, result));
p = first_unused;
@@ -143,7 +143,7 @@ _nss_nisplus_parse_servent (nis_result *result, struct servent *serv,
}
static enum nss_status
-_nss_create_tablename (void)
+_nss_create_tablename (int *errnop)
{
if (tablename_val == NULL)
{
@@ -154,7 +154,10 @@ _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;
@@ -165,6 +168,7 @@ enum nss_status
_nss_nisplus_setservent (void)
{
enum nss_status status = NSS_STATUS_SUCCESS;
+ int err;
__libc_lock_lock (lock);
@@ -173,7 +177,7 @@ _nss_nisplus_setservent (void)
result = NULL;
if (tablename_val == NULL)
- status = _nss_create_tablename ();
+ status = _nss_create_tablename (&err);
__libc_lock_unlock (lock);
@@ -196,7 +200,7 @@ _nss_nisplus_endservent (void)
static enum nss_status
internal_nisplus_getservent_r (struct servent *serv, char *buffer,
- size_t buflen)
+ size_t buflen, int *errnop)
{
int parse_res;
@@ -209,8 +213,12 @@ internal_nisplus_getservent_r (struct servent *serv, 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);
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
@@ -230,11 +238,13 @@ internal_nisplus_getservent_r (struct servent *serv, char *buffer,
}
}
- if ((parse_res = _nss_nisplus_parse_servent (result, serv, buffer,
- buflen)) == -1)
+ parse_res = _nss_nisplus_parse_servent (result, serv, buffer,
+ buflen, errnop);
+ if (parse_res == -1)
{
nis_freeresult (result);
result = saved_res;
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
else
@@ -250,13 +260,13 @@ internal_nisplus_getservent_r (struct servent *serv, char *buffer,
enum nss_status
_nss_nisplus_getservent_r (struct servent *result, char *buffer,
- size_t buflen)
+ size_t buflen, int *errnop)
{
int status;
__libc_lock_lock (lock);
- status = internal_nisplus_getservent_r (result, buffer, buflen);
+ status = internal_nisplus_getservent_r (result, buffer, buflen, errnop);
__libc_lock_unlock (lock);
@@ -266,17 +276,21 @@ _nss_nisplus_getservent_r (struct servent *result, char *buffer,
enum nss_status
_nss_nisplus_getservbyname_r (const char *name, const char *protocol,
struct servent *serv,
- 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 || protocol == NULL)
{
- __set_errno (EINVAL);
+ *errnop = EINVAL;
return NSS_STATUS_NOTFOUND;
}
else
@@ -292,12 +306,11 @@ _nss_nisplus_getservbyname_r (const char *name, const char *protocol,
/* 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,
- "services_tbl") != 0 ||
- result->objects.objects_val->EN_data.en_cols.en_cols_len < 4)
+ 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,
+ "services_tbl") != 0
+ || result->objects.objects_val->EN_data.en_cols.en_cols_len < 4)
sprintf (buf, "[cname=%s,proto=%s],%s", name, protocol,
tablename_val);
else
@@ -315,11 +328,15 @@ _nss_nisplus_getservbyname_r (const char *name, const char *protocol,
return status;
}
- parse_res = _nss_nisplus_parse_servent (result, serv, buffer, buflen);
+ parse_res = _nss_nisplus_parse_servent (result, serv, buffer, buflen,
+ errnop);
nis_freeresult (result);
if (parse_res == -1)
- return NSS_STATUS_TRYAGAIN;
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (parse_res)
return NSS_STATUS_SUCCESS;
@@ -331,15 +348,19 @@ _nss_nisplus_getservbyname_r (const char *name, const char *protocol,
enum nss_status
_nss_nisplus_getservbynumber_r (const int number, const char *protocol,
struct servent *serv,
- 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 (protocol == NULL)
{
- __set_errno (EINVAL);
+ *errnop = EINVAL;
return NSS_STATUS_NOTFOUND;
}
else
@@ -361,11 +382,15 @@ _nss_nisplus_getservbynumber_r (const int number, const char *protocol,
return status;
}
- parse_res = _nss_nisplus_parse_servent (result, serv, buffer, buflen);
+ parse_res = _nss_nisplus_parse_servent (result, serv, buffer, buflen,
+ errnop);
nis_freeresult (result);
if (parse_res == -1)
- return NSS_STATUS_TRYAGAIN;
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
if (parse_res)
return NSS_STATUS_SUCCESS;
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 15:01:26 +0000