summaryrefslogtreecommitdiff
path: root/nis/nss_nisplus/nisplus-hosts.c
diff options
context:
space:
mode:
Diffstat (limited to 'nis/nss_nisplus/nisplus-hosts.c')
-rw-r--r--nis/nss_nisplus/nisplus-hosts.c119
1 files changed, 73 insertions, 46 deletions
diff --git a/nis/nss_nisplus/nisplus-hosts.c b/nis/nss_nisplus/nisplus-hosts.c
index ee87a78225..19f9161076 100644
--- a/nis/nss_nisplus/nisplus-hosts.c
+++ b/nis/nss_nisplus/nisplus-hosts.c
@@ -33,13 +33,14 @@
__libc_lock_define_initialized (static, lock)
static nis_result *result = NULL;
-static nis_name *names = NULL;
+static nis_name tablename_val = NULL;
+static u_long tablename_len = 0;
#define NISENTRYVAL(idx,col,res) \
- ((res)->objects.objects_val[(idx)].zo_data.objdata_u.en_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
+ ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
#define NISENTRYLEN(idx,col,res) \
- ((res)->objects.objects_val[(idx)].zo_data.objdata_u.en_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len)
+ ((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len)
/* Get implementation for some internal functions. */
#include "../../resolv/mapv4v6addr.h"
@@ -57,10 +58,10 @@ _nss_nisplus_parse_hostent (nis_result *result, int af, struct hostent *host,
return 0;
if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) ||
- result->objects.objects_val[0].zo_data.zo_type != ENTRY_OBJ ||
- strcmp(result->objects.objects_val[0].zo_data.objdata_u.en_data.en_type,
- "hosts_tbl") != 0 ||
- result->objects.objects_val[0].zo_data.objdata_u.en_data.en_cols.en_cols_len < 4)
+ __type_of (result->objects.objects_val) != ENTRY_OBJ ||
+ strcmp(result->objects.objects_val[0].EN_data.en_type,
+ "hosts_tbl") != 0 ||
+ result->objects.objects_val[0].EN_data.en_cols.en_cols_len < 4)
return 0;
if (room_left < NISENTRYLEN (0, 2, result) + 1)
@@ -162,37 +163,58 @@ _nss_nisplus_parse_hostent (nis_result *result, int af, struct hostent *host,
host->h_aliases[i] = line;
while (*line != '\0' && *line != ' ')
- line++;
+ ++line;
- if (line != host->h_aliases[i])
- {
- *line = '\0';
- line++;
- i++;
- }
+ if (*line == ' ')
+ {
+ *line = '\0';
+ ++line;
+ ++i;
+ }
+ else
+ host->h_aliases[i+1] = NULL;
}
return 1;
}
+static enum nss_status
+_nss_create_tablename (void)
+{
+ if (tablename_val == NULL)
+ {
+ char buf [40 + strlen (nis_local_directory ())];
+ char *p;
+
+ p = stpcpy (buf, "hosts.org_dir.");
+ p = stpcpy (p, nis_local_directory ());
+ tablename_val = strdup (buf);
+ if (tablename_val == NULL)
+ return NSS_STATUS_TRYAGAIN;
+ tablename_len = strlen (tablename_val);
+ }
+ return NSS_STATUS_SUCCESS;
+}
+
enum nss_status
_nss_nisplus_sethostent (void)
{
+ enum nss_status status = NSS_STATUS_SUCCESS;
+
__libc_lock_lock (lock);
if (result)
nis_freeresult (result);
result = NULL;
- if (names)
- {
- nis_freenames (names);
- names = NULL;
- }
+
+ if (tablename_val == NULL)
+ if (_nss_create_tablename() != NSS_STATUS_SUCCESS)
+ status = NSS_STATUS_UNAVAIL;
__libc_lock_unlock (lock);
- return NSS_STATUS_SUCCESS;
+ return status;
}
enum nss_status
@@ -203,11 +225,6 @@ _nss_nisplus_endhostent (void)
if (result)
nis_freeresult (result);
result = NULL;
- if (names)
- {
- nis_freenames (names);
- names = NULL;
- }
__libc_lock_unlock (lock);
@@ -225,11 +242,11 @@ internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
{
if (result == NULL)
{
- names = nis_getnames("hosts.org_dir");
- if (names == NULL || names[0] == NULL)
- return NSS_STATUS_UNAVAIL;
+ if (tablename_val == NULL)
+ if (_nss_create_tablename() != NSS_STATUS_SUCCESS)
+ return NSS_STATUS_UNAVAIL;
- result = nis_first_entry(names[0]);
+ result = nis_first_entry(tablename_val);
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
int retval;
@@ -248,7 +265,7 @@ internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
{
nis_result *res2;
- res2 = nis_next_entry(names[0], &result->cookie);
+ res2 = nis_next_entry(tablename_val, &result->cookie);
nis_freeresult (result);
result = res2;
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
@@ -302,6 +319,13 @@ _nss_nisplus_gethostbyname2_r (const char *name, int af, struct hostent *host,
{
int parse_res, retval;
+ if (tablename_val == NULL)
+ if (_nss_create_tablename() != NSS_STATUS_SUCCESS)
+ {
+ *herrnop = NETDB_INTERNAL;
+ return NSS_STATUS_UNAVAIL;
+ }
+
if (name == NULL)
{
__set_errno (EINVAL);
@@ -311,28 +335,27 @@ _nss_nisplus_gethostbyname2_r (const char *name, int af, struct hostent *host,
else
{
nis_result *result;
- char buf[strlen (name) + 255];
+ 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],hosts.org_dir", name);
- result = nis_list(buf, EXPAND_NAME, NULL, NULL);
+ 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) ||
- result->objects.objects_val[0].zo_data.zo_type != ENTRY_OBJ ||
- strcmp(result->objects.objects_val[0].zo_data.objdata_u.en_data.en_type,
+ if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) ||
+ __type_of (result->objects.objects_val) != ENTRY_OBJ ||
+ strcmp(result->objects.objects_val->EN_data.en_type,
"hosts_tbl") != 0 ||
- result->objects.objects_val[0].zo_data.objdata_u.en_data.en_cols.en_cols_len
- < 3)
- sprintf(buf, "[cname=%s],hosts.org_dir", name);
+ 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],hosts.org_dir", NISENTRYVAL(0, 0, result));
+ sprintf(buf, "[cname=%s],%s", NISENTRYVAL(0, 0, result),
+ tablename_val);
nis_freeresult (result);
- result = nis_list(buf, EXPAND_NAME, NULL, NULL);
+ result = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
retval = niserr2nss (result->status);
if (retval != NSS_STATUS_SUCCESS)
@@ -385,17 +408,21 @@ _nss_nisplus_gethostbyaddr_r (const char *addr, int addrlen, int type,
struct hostent *host, char *buffer,
size_t buflen, int *herrnop)
{
+ if (tablename_val == NULL)
+ if (_nss_create_tablename() != NSS_STATUS_SUCCESS)
+ return NSS_STATUS_UNAVAIL;
+
if (addr == NULL)
return NSS_STATUS_NOTFOUND;
else
{
nis_result *result;
- char buf[1025];
+ char buf[255 + tablename_len];
int retval, parse_res;
- snprintf(buf, sizeof (buf) -1, "[addr=%s],hosts.org_dir",
- inet_ntoa (*(struct in_addr *)addr));
- result = nis_list(buf, EXPAND_NAME, NULL, NULL);
+ snprintf(buf, sizeof (buf) -1, "[addr=%s],%s",
+ inet_ntoa (*(struct in_addr *)addr), tablename_val);
+ result = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
retval = niserr2nss (result->status);
if (retval != NSS_STATUS_SUCCESS)
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 06:45:41 +0000