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Diffstat (limited to 'nis/nss_nisplus/nisplus-hosts.c')
-rw-r--r--nis/nss_nisplus/nisplus-hosts.c131
1 files changed, 78 insertions, 53 deletions
diff --git a/nis/nss_nisplus/nisplus-hosts.c b/nis/nss_nisplus/nisplus-hosts.c
index d1aa5ef787..8514a63e8a 100644
--- a/nis/nss_nisplus/nisplus-hosts.c
+++ b/nis/nss_nisplus/nisplus-hosts.c
@@ -42,11 +42,11 @@ static u_long tablename_len = 0;
((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"
+#include <resolv/mapv4v6addr.h>
static int
_nss_nisplus_parse_hostent (nis_result *result, int af, struct hostent *host,
- char *buffer, size_t buflen)
+ char *buffer, size_t buflen, int *errnop)
{
unsigned int i;
char *first_unused = buffer;
@@ -66,7 +66,7 @@ _nss_nisplus_parse_hostent (nis_result *result, int af, struct hostent *host,
if (room_left < NISENTRYLEN (0, 2, result) + 1)
{
no_more_room:
- __set_errno (ERANGE);
+ *errnop = ERANGE;
return -1;
}
@@ -169,7 +169,7 @@ _nss_nisplus_parse_hostent (nis_result *result, int af, struct hostent *host,
}
static enum nss_status
-_nss_create_tablename (void)
+_nss_create_tablename (int *errnop)
{
if (tablename_val == NULL)
{
@@ -180,7 +180,10 @@ _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;
@@ -190,6 +193,7 @@ enum nss_status
_nss_nisplus_sethostent (void)
{
enum nss_status status = NSS_STATUS_SUCCESS;
+ int err;
__libc_lock_lock (lock);
@@ -198,8 +202,7 @@ _nss_nisplus_sethostent (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);
@@ -222,7 +225,7 @@ _nss_nisplus_endhostent (void)
static enum nss_status
internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
- size_t buflen, int *herrnop)
+ size_t buflen, int *errnop, int *herrnop)
{
int parse_res;
@@ -235,17 +238,21 @@ internal_nisplus_gethostent_r (struct hostent *host, 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);
- result = nis_first_entry(tablename_val);
+ if (status != NSS_STATUS_SUCCESS)
+ return status;
+ }
+
+ result = nis_first_entry (tablename_val);
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
enum nss_status retval = niserr2nss (result->status);
if (retval == NSS_STATUS_TRYAGAIN)
{
*herrnop = NETDB_INTERNAL;
- __set_errno (EAGAIN);
+ *errnop = errno;
}
return retval;
}
@@ -267,22 +274,23 @@ internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
if (retval == NSS_STATUS_TRYAGAIN)
{
*herrnop = NETDB_INTERNAL;
- __set_errno (EAGAIN);
+ *errnop = errno;
}
return retval;
}
}
- parse_res = _nss_nisplus_parse_hostent (result, AF_INET6,
- host, buffer, buflen);
- if (parse_res < 1 && errno != ERANGE)
+ parse_res = _nss_nisplus_parse_hostent (result, AF_INET6, host, buffer,
+ buflen, errnop);
+ if (parse_res < 1 && *errnop != ERANGE)
parse_res = _nss_nisplus_parse_hostent (result, AF_INET, host,
- buffer, buflen);
- if (parse_res < 1 && errno == ERANGE)
+ buffer, buflen, errnop);
+ if (parse_res < 1 && *errnop == ERANGE)
{
nis_freeresult (result);
result = saved_res;
*herrnop = NETDB_INTERNAL;
+ *errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
if (saved_res != NULL)
@@ -295,13 +303,14 @@ internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
enum nss_status
_nss_nisplus_gethostent_r (struct hostent *result, char *buffer,
- size_t buflen, int *herrnop)
+ size_t buflen, int *errnop, int *herrnop)
{
int status;
__libc_lock_lock (lock);
- status = internal_nisplus_gethostent_r (result, buffer, buflen, herrnop);
+ status = internal_nisplus_gethostent_r (result, buffer, buflen, errnop,
+ herrnop);
__libc_lock_unlock (lock);
@@ -310,20 +319,25 @@ _nss_nisplus_gethostent_r (struct hostent *result, char *buffer,
enum nss_status
_nss_nisplus_gethostbyname2_r (const char *name, int af, struct hostent *host,
- 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)
- {
- *herrnop = NETDB_INTERNAL;
- return NSS_STATUS_UNAVAIL;
- }
+ {
+ enum nss_status status = _nss_create_tablename (errnop);
+
+ if (status != NSS_STATUS_SUCCESS)
+ {
+ *herrnop = NETDB_INTERNAL;
+ return NSS_STATUS_UNAVAIL;
+ }
+ }
if (name == NULL)
{
- __set_errno (EINVAL);
+ *errnop = EINVAL;
*herrnop = NETDB_INTERNAL;
return NSS_STATUS_NOTFOUND;
}
@@ -334,38 +348,38 @@ _nss_nisplus_gethostbyname2_r (const char *name, int af, struct hostent *host,
/* 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_PATH | FOLLOW_LINKS, 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) ||
- __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ ||
- strcmp(result->objects.objects_val->EN_data.en_type,
- "hosts_tbl") != 0 ||
- result->objects.objects_val->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->EN_data.en_type,
+ "hosts_tbl") != 0
+ || 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],%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_PATH | FOLLOW_LINKS, NULL, NULL);
+ result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, 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_hostent (result, af, host, buffer, buflen);
+ parse_res = _nss_nisplus_parse_hostent (result, af, host, buffer,
+ buflen, errnop);
nis_freeresult (result);
@@ -374,7 +388,10 @@ _nss_nisplus_gethostbyname2_r (const char *name, int af, struct hostent *host,
*herrnop = NETDB_INTERNAL;
if (parse_res == -1)
- return NSS_STATUS_TRYAGAIN;
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
else
return NSS_STATUS_NOTFOUND;
}
@@ -382,30 +399,35 @@ _nss_nisplus_gethostbyname2_r (const char *name, int af, struct hostent *host,
enum nss_status
_nss_nisplus_gethostbyname_r (const char *name, struct hostent *host,
- char *buffer, size_t buflen, int *h_errnop)
+ char *buffer, size_t buflen, int *errnop,
+ int *h_errnop)
{
if (_res.options & RES_USE_INET6)
{
enum nss_status status;
status = _nss_nisplus_gethostbyname2_r (name, AF_INET6, host, buffer,
- buflen, h_errnop);
+ buflen, errnop, h_errnop);
if (status == NSS_STATUS_SUCCESS)
return status;
}
return _nss_nisplus_gethostbyname2_r (name, AF_INET, host, buffer,
- buflen, h_errnop);
+ buflen, errnop, h_errnop);
}
enum nss_status
_nss_nisplus_gethostbyaddr_r (const char *addr, int addrlen, int type,
struct hostent *host, char *buffer,
- size_t buflen, int *herrnop)
+ 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;
+ }
if (addr == NULL)
return NSS_STATUS_NOTFOUND;
@@ -416,15 +438,15 @@ _nss_nisplus_gethostbyaddr_r (const char *addr, int addrlen, int type,
int retval, parse_res;
sprintf (buf, "[addr=%s],%s",
- inet_ntoa (*(struct in_addr *)addr), tablename_val);
- result = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
+ 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)
{
if (retval == NSS_STATUS_TRYAGAIN)
{
- __set_errno (EAGAIN);
+ *errnop = errno;
*herrnop = NETDB_INTERNAL;
}
nis_freeresult (result);
@@ -432,7 +454,7 @@ _nss_nisplus_gethostbyaddr_r (const char *addr, int addrlen, int type,
}
parse_res = _nss_nisplus_parse_hostent (result, type, host,
- buffer, buflen);
+ buffer, buflen, errnop);
nis_freeresult (result);
if (parse_res > 0)
@@ -440,7 +462,10 @@ _nss_nisplus_gethostbyaddr_r (const char *addr, int addrlen, int type,
*herrnop = NETDB_INTERNAL;
if (parse_res == -1)
- return NSS_STATUS_TRYAGAIN;
+ {
+ *errnop = ERANGE;
+ return NSS_STATUS_TRYAGAIN;
+ }
else
return NSS_STATUS_NOTFOUND;
}
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