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-rw-r--r--nis/nss_nisplus/nisplus-ethers.c10
-rw-r--r--nis/nss_nisplus/nisplus-hosts.c15
-rw-r--r--nis/nss_nisplus/nisplus-network.c13
-rw-r--r--nis/nss_nisplus/nisplus-parser.c177
-rw-r--r--nis/nss_nisplus/nisplus-proto.c11
-rw-r--r--nis/nss_nisplus/nisplus-publickey.c8
-rw-r--r--nis/nss_nisplus/nisplus-pwd.c188
-rw-r--r--nis/nss_nisplus/nisplus-rpc.c10
-rw-r--r--nis/nss_nisplus/nisplus-service.c10
-rw-r--r--nis/nss_nisplus/nisplus-spwd.c10
10 files changed, 324 insertions, 128 deletions
diff --git a/nis/nss_nisplus/nisplus-ethers.c b/nis/nss_nisplus/nisplus-ethers.c
index 2620427243..8d69ad9373 100644
--- a/nis/nss_nisplus/nisplus-ethers.c
+++ b/nis/nss_nisplus/nisplus-ethers.c
@@ -176,6 +176,11 @@ internal_nisplus_getetherent_r (struct etherent *ether, char *buffer,
 	{
 	  saved_result = NULL;
 	  result = nis_first_entry (tablename_val);
+	  if (result == NULL)
+	    {
+	      *errnop = errno;
+	      return NSS_STATUS_TRYAGAIN;
+	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
 	    return niserr2nss (result->status);
 	}
@@ -183,6 +188,11 @@ internal_nisplus_getetherent_r (struct etherent *ether, char *buffer,
 	{
 	  saved_result = result;
 	  result = nis_next_entry (tablename_val, &result->cookie);
+	  if (result == NULL)
+	    {
+	      *errnop = errno;
+	      return NSS_STATUS_TRYAGAIN;
+	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
 	    {
 	      nis_freeresult (saved_result);
diff --git a/nis/nss_nisplus/nisplus-hosts.c b/nis/nss_nisplus/nisplus-hosts.c
index 023e18f93d..f5f0ac96da 100644
--- a/nis/nss_nisplus/nisplus-hosts.c
+++ b/nis/nss_nisplus/nisplus-hosts.c
@@ -265,6 +265,11 @@ internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
 	    }
 
 	  result = nis_first_entry (tablename_val);
+	  if (result == NULL)
+	    {
+	      *errnop = errno;
+	      return NSS_STATUS_TRYAGAIN;
+	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
             {
               enum nss_status retval = niserr2nss (result->status);
@@ -279,11 +284,13 @@ internal_nisplus_gethostent_r (struct hostent *host, char *buffer,
 	}
       else
 	{
-	  nis_result *res2;
-
 	  saved_res = result;
-	  res2 = nis_next_entry(tablename_val, &result->cookie);
-	  result = res2;
+	  result = nis_next_entry (tablename_val, &result->cookie);
+	  if (result == NULL)
+	    {
+	      *errnop = errno;
+	      return NSS_STATUS_TRYAGAIN;
+	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
             {
               enum nss_status retval= niserr2nss (result->status);
diff --git a/nis/nss_nisplus/nisplus-network.c b/nis/nss_nisplus/nisplus-network.c
index 468520c937..286a4ccbdc 100644
--- a/nis/nss_nisplus/nisplus-network.c
+++ b/nis/nss_nisplus/nisplus-network.c
@@ -232,6 +232,11 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
 	    }
 
 	  result = nis_first_entry (tablename_val);
+	  if (result == NULL)
+	    {
+	      *errnop = errno;
+	      return NSS_STATUS_TRYAGAIN;
+	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
 	    {
 	      int retval = niserr2nss (result->status);
@@ -249,9 +254,13 @@ internal_nisplus_getnetent_r (struct netent *network, char *buffer,
 	}
       else
 	{
-	  nis_result *res = nis_next_entry (tablename_val, &result->cookie);
 	  saved_res = result;
-	  result = res;
+	  result = nis_next_entry (tablename_val, &result->cookie);
+	  if (result == NULL)
+	    {
+	      *errnop = errno;
+	      return NSS_STATUS_TRYAGAIN;
+	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
 	    {
 	      int retval = niserr2nss (result->status);
diff --git a/nis/nss_nisplus/nisplus-parser.c b/nis/nss_nisplus/nisplus-parser.c
index e41751fff2..5ed07d86d9 100644
--- a/nis/nss_nisplus/nisplus-parser.c
+++ b/nis/nss_nisplus/nisplus-parser.c
@@ -25,24 +25,17 @@
 
 #include "nisplus-parser.h"
 
-#define NISENTRYVAL(idx,col,res) \
-        (NIS_RES_OBJECT (res)[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
+#define NISENTRYVAL(idx, col, res) \
+        (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
 
-#define NISENTRYLEN(idx,col,res) \
-        (NIS_RES_OBJECT (res)[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len)
+#define NISENTRYLEN(idx, col, res) \
+        (NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
 
 
 int
-_nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw,
-			  char *buffer, size_t buflen, int *errnop)
+_nss_nisplus_parse_pwent_chk (nis_result *result, struct passwd *pw,
+			      char *buffer, size_t buflen, int *errnop)
 {
-  char *first_unused = buffer;
-  size_t room_left = buflen;
-  size_t len;
-
-  if (result == NULL)
-    return 0;
-
   if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
       || NIS_RES_NUMOBJ (result) != 1
       || __type_of (NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ
@@ -50,7 +43,19 @@ _nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw,
       || NIS_RES_OBJECT (result)->EN_data.en_cols.en_cols_len < 7)
     return 0;
 
-  if (NISENTRYLEN (0, 0, result) >= room_left)
+  return _nss_nisplus_parse_pwent (result, 0, pw, buffer, buflen, errnop);
+}
+
+
+int
+_nss_nisplus_parse_pwent (nis_result *result, size_t entry, struct passwd *pw,
+			  char *buffer, size_t buflen, int *errnop)
+{
+  char *first_unused = buffer;
+  size_t room_left = buflen;
+  size_t len;
+
+  if (NISENTRYLEN (entry, 0, result) >= room_left)
     {
       /* The line is too long for our buffer.  */
     no_more_room:
@@ -58,85 +63,94 @@ _nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw,
       return -1;
     }
 
-  strncpy (first_unused, NISENTRYVAL (0, 0, result),
-	   NISENTRYLEN (0, 0, result));
-  first_unused[NISENTRYLEN (0, 0, result)] = '\0';
+  strncpy (first_unused, NISENTRYVAL (entry, 0, result),
+	   NISENTRYLEN (entry, 0, result));
+  first_unused[NISENTRYLEN (entry, 0, result)] = '\0';
   len = strlen (first_unused);
   if (len == 0) /* No name ? Should never happen, database is corrupt */
     return 0;
   pw->pw_name = first_unused;
-  room_left -= (len + 1);
-  first_unused += (len + 1);
+  room_left -= len + 1;
+  first_unused += len + 1;
 
-  if (NISENTRYLEN (0, 1, result) >= room_left)
+  if (NISENTRYLEN (entry, 1, result) >= room_left)
     goto no_more_room;
 
-  strncpy (first_unused, NISENTRYVAL (0, 1, result),
-	   NISENTRYLEN (0, 1, result));
-  first_unused[NISENTRYLEN (0, 1, result)] = '\0';
+  strncpy (first_unused, NISENTRYVAL (entry, 1, result),
+	   NISENTRYLEN (entry, 1, result));
+  first_unused[NISENTRYLEN (entry, 1, result)] = '\0';
   pw->pw_passwd = first_unused;
   len = strlen (first_unused);
-  room_left -= (len + 1);
-  first_unused += (len + 1);
+  room_left -= len + 1;
+  first_unused += len + 1;
 
-  if (NISENTRYLEN(0, 2, result) >= room_left)
-    goto no_more_room;
+  char *numstr = NISENTRYVAL (entry, 2, result);
+  len = NISENTRYLEN (entry, 2, result);
+  if (len == 0 && numstr[len - 1] != '\0')
+    {
+      if (len >= room_left)
+	goto no_more_room;
 
-  strncpy (first_unused, NISENTRYVAL (0, 2, result),
-	   NISENTRYLEN (0, 2, result));
-  first_unused[NISENTRYLEN (0, 2, result)] = '\0';
-  len = strlen (first_unused);
-  if (len == 0) /* If we don't have a uid, it's an invalid shadow entry */
+      strncpy (first_unused, numstr, len);
+      first_unused[len] = '\0';
+      numstr = first_unused;
+    }
+  if (numstr[0] == '\0')
+    /* If we don't have a uid, it's an invalid shadow entry.  */
     return 0;
-  pw->pw_uid = strtoul (first_unused, NULL, 10);
+  pw->pw_uid = strtoul (numstr, NULL, 10);
 
-  if (NISENTRYLEN (0, 3, result) >= room_left)
-    goto no_more_room;
+  numstr = NISENTRYVAL (entry, 3, result);
+  len = NISENTRYLEN (entry, 3, result);
+  if (len == 0 && numstr[len - 1] != '\0')
+    {
+      if (len >= room_left)
+	goto no_more_room;
 
-  strncpy (first_unused, NISENTRYVAL (0, 3, result),
-	   NISENTRYLEN (0, 3, result));
-  first_unused[NISENTRYLEN (0, 3, result)] = '\0';
-  len = strlen (first_unused);
-  if (len == 0) /* If we don't have a gid, it's an invalid shadow entry */
+      strncpy (first_unused, numstr, len);
+      first_unused[len] = '\0';
+      numstr = first_unused;
+    }
+  if (numstr[0] == '\0')
+    /* If we don't have a gid, it's an invalid shadow entry.  */
     return 0;
-  pw->pw_gid = strtoul (first_unused, NULL, 10);
+  pw->pw_gid = strtoul (numstr, NULL, 10);
 
-  if (NISENTRYLEN(0, 4, result) >= room_left)
+  if (NISENTRYLEN(entry, 4, result) >= room_left)
     goto no_more_room;
 
-  strncpy (first_unused, NISENTRYVAL (0, 4, result),
-	   NISENTRYLEN (0, 4, result));
-  first_unused[NISENTRYLEN (0, 4, result)] = '\0';
+  strncpy (first_unused, NISENTRYVAL (entry, 4, result),
+	   NISENTRYLEN (entry, 4, result));
+  first_unused[NISENTRYLEN (entry, 4, result)] = '\0';
   pw->pw_gecos = first_unused;
   len = strlen (first_unused);
-  room_left -= (len + 1);
-  first_unused += (len + 1);
+  room_left -= len + 1;
+  first_unused += len + 1;
 
-  if (NISENTRYLEN (0, 5, result) >= room_left)
+  if (NISENTRYLEN (entry, 5, result) >= room_left)
     goto no_more_room;
 
-  strncpy (first_unused, NISENTRYVAL (0, 5, result),
-	   NISENTRYLEN (0, 5, result));
-  first_unused[NISENTRYLEN (0, 5, result)] = '\0';
+  strncpy (first_unused, NISENTRYVAL (entry, 5, result),
+	   NISENTRYLEN (entry, 5, result));
+  first_unused[NISENTRYLEN (entry, 5, result)] = '\0';
   pw->pw_dir = first_unused;
   len = strlen (first_unused);
-  room_left -= (len + 1);
-  first_unused += (len + 1);
+  room_left -= len + 1;
+  first_unused += len + 1;
 
-  if (NISENTRYLEN (0, 6, result) >= room_left)
+  if (NISENTRYLEN (entry, 6, result) >= room_left)
     goto no_more_room;
 
-  strncpy (first_unused, NISENTRYVAL (0, 6, result),
-	   NISENTRYLEN (0, 6, result));
-  first_unused[NISENTRYLEN (0, 6, result)] = '\0';
+  strncpy (first_unused, NISENTRYVAL (entry, 6, result),
+	   NISENTRYLEN (entry, 6, result));
+  first_unused[NISENTRYLEN (entry, 6, result)] = '\0';
   pw->pw_shell = first_unused;
   len = strlen (first_unused);
-  room_left -= (len + 1);
-  first_unused += (len + 1);
+  room_left -= len + 1;
+  first_unused += len + 1;
 
   return 1;
 }
-libnss_nisplus_hidden_def (_nss_nisplus_parse_pwent)
 
 
 int
@@ -174,8 +188,8 @@ _nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr,
   if (len == 0) /* group table is corrupt */
     return 0;
   gr->gr_name = first_unused;
-  room_left -= (len + 1);
-  first_unused += (len + 1);
+  room_left -= len + 1;
+  first_unused += len + 1;
 
   if (NISENTRYLEN (entry, 1, result) >= room_left)
     goto no_more_room;
@@ -185,19 +199,24 @@ _nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr,
   first_unused[NISENTRYLEN (entry, 1, result)] = '\0';
   gr->gr_passwd = first_unused;
   len = strlen (first_unused);
-  room_left -= (len + 1);
-  first_unused += (len + 1);
+  room_left -= len + 1;
+  first_unused += len + 1;
 
-  if (NISENTRYLEN (entry, 2, result) >= room_left)
-    goto no_more_room;
+  char *numstr = NISENTRYVAL (entry, 2, result);
+  len = NISENTRYLEN (entry, 2, result);
+  if (len == 0 && numstr[len - 1] != '\0')
+    {
+      if (len >= room_left)
+	goto no_more_room;
 
-  strncpy (first_unused, NISENTRYVAL (entry, 2, result),
-	   NISENTRYLEN (entry, 2, result));
-  first_unused[NISENTRYLEN (entry, 2, result)] = '\0';
-  len = strlen (first_unused);
-  if (len == 0) /* We should always have a gid */
+      strncpy (first_unused, numstr, len);
+      first_unused[len] = '\0';
+      numstr = first_unused;
+    }
+  if (numstr[0] == '\0')
+    /* We should always have a gid.  */
     return 0;
-  gr->gr_gid = strtoul (first_unused, NULL, 10);
+  gr->gr_gid = strtoul (numstr, NULL, 10);
 
   if (NISENTRYLEN (entry, 3, result) >= room_left)
     goto no_more_room;
@@ -207,8 +226,8 @@ _nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr,
   first_unused[NISENTRYLEN (entry, 3, result)] = '\0';
   line = first_unused;
   len = strlen (line);
-  room_left -= (len + 1);
-  first_unused += (len + 1);
+  room_left -= len + 1;
+  first_unused += len + 1;
   /* Adjust the pointer so it is aligned for
      storing pointers.  */
   size_t adjust = ((__alignof__ (char *)
@@ -255,7 +274,6 @@ _nss_nisplus_parse_grent (nis_result *result, u_long entry, struct group *gr,
 
   return 1;
 }
-libnss_nisplus_hidden_def (_nss_nisplus_parse_grent)
 
 
 int
@@ -291,8 +309,8 @@ _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp,
   if (len == 0)
     return 0;
   sp->sp_namp = first_unused;
-  room_left -= (len + 1);
-  first_unused += (len + 1);
+  room_left -= len + 1;
+  first_unused += len + 1;
 
   if (NISENTRYLEN (0, 1, result) >= room_left)
     goto no_more_room;
@@ -302,8 +320,8 @@ _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp,
   first_unused[NISENTRYLEN (0, 1, result)] = '\0';
   sp->sp_pwdp = first_unused;
   len = strlen (first_unused);
-  room_left -= (len + 1);
-  first_unused += (len + 1);
+  room_left -= len + 1;
+  first_unused += len + 1;
 
   sp->sp_lstchg = sp->sp_min = sp->sp_max = sp->sp_warn = sp->sp_inact =
     sp->sp_expire = -1;
@@ -368,4 +386,3 @@ _nss_nisplus_parse_spent (nis_result *result, struct spwd *sp,
 
   return 1;
 }
-libnss_nisplus_hidden_def (_nss_nisplus_parse_spent)
diff --git a/nis/nss_nisplus/nisplus-proto.c b/nis/nss_nisplus/nisplus-proto.c
index 0b96153819..42a2d088da 100644
--- a/nis/nss_nisplus/nisplus-proto.c
+++ b/nis/nss_nisplus/nisplus-proto.c
@@ -227,6 +227,11 @@ internal_nisplus_getprotoent_r (struct protoent *proto, char *buffer,
 	    }
 
 	  result = nis_first_entry (tablename_val);
+	  if (result == NULL)
+	    {
+	      *errnop = errno;
+	      return NSS_STATUS_TRYAGAIN;
+	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
 	    return niserr2nss (result->status);
 	}
@@ -234,7 +239,11 @@ internal_nisplus_getprotoent_r (struct protoent *proto, char *buffer,
 	{
 	  saved_res = result;
 	  result = nis_next_entry (tablename_val, &result->cookie);
-
+	  if (result == NULL)
+	    {
+	      *errnop = errno;
+	      return NSS_STATUS_TRYAGAIN;
+	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
 	    {
 	      nis_freeresult (saved_res);
diff --git a/nis/nss_nisplus/nisplus-publickey.c b/nis/nss_nisplus/nisplus-publickey.c
index fe269b2c48..f6b32f8827 100644
--- a/nis/nss_nisplus/nisplus-publickey.c
+++ b/nis/nss_nisplus/nisplus-publickey.c
@@ -226,8 +226,12 @@ parse_grp_str (const char *s, gid_t *gidp, int *gidlenp, gid_t *gidlist,
   gidlen = 0;
 
   /* After strtoul() ep should point to the marker ',', which means
-     here starts a new value. */
-  while (ep != NULL && *ep == ',')
+     here starts a new value.
+
+     The Sun man pages show that GIDLIST should contain at least NGRPS
+     elements.  Limiting the number written by this value is the best
+     we can do.  */
+  while (ep != NULL && *ep == ',' && gidlen < NGRPS)
     {
       ep++;
       s = ep;
diff --git a/nis/nss_nisplus/nisplus-pwd.c b/nis/nss_nisplus/nisplus-pwd.c
index 6c222ede02..7957e6a27d 100644
--- a/nis/nss_nisplus/nisplus-pwd.c
+++ b/nis/nss_nisplus/nisplus-pwd.c
@@ -28,10 +28,18 @@
 
 #include "nss-nisplus.h"
 #include "nisplus-parser.h"
+#include <libnsl.h>
+
 
 __libc_lock_define_initialized (static, lock)
 
+/* Previous result of iteration.  */
 static nis_result *result;
+
+/* All results of batch table load.  */
+static nis_result *cached_results;
+static size_t cached_results_iter;
+
 nis_name pwd_tablename_val attribute_hidden;
 size_t pwd_tablename_len attribute_hidden;
 
@@ -69,95 +77,195 @@ _nss_pwd_create_tablename (int *errnop)
 }
 
 
-enum nss_status
-_nss_nisplus_setpwent (int stayopen)
+static void
+internal_nisplus_endpwent (void)
 {
-  enum nss_status status = NSS_STATUS_SUCCESS;
-
-  __libc_lock_lock (lock);
+  if (cached_results != NULL)
+    {
+      nis_freeresult (cached_results);
+      cached_results = NULL;
+      cached_results_iter = 0;
+    }
 
   if (result != NULL)
     {
       nis_freeresult (result);
       result = NULL;
     }
+}
+
+
+static enum nss_status
+internal_nisplus_setpwent (int *errnop)
+{
+  enum nss_status status;
+
+  cached_results = nis_list (pwd_tablename_val, FOLLOW_PATH | FOLLOW_LINKS,
+			     NULL, NULL);
+
+  if (cached_results == NULL)
+    {
+      *errnop = errno;
+      status = NSS_STATUS_TRYAGAIN;
+    }
+  else if (__builtin_expect ((status = niserr2nss (cached_results->status))
+			     != NSS_STATUS_SUCCESS, 0))
+    {
+      nis_freeresult (cached_results);
+      cached_results = NULL;
+    }
+  else if (__builtin_expect (__type_of (NIS_RES_OBJECT (cached_results))
+			     != NIS_ENTRY_OBJ
+			     || strcmp (NIS_RES_OBJECT (cached_results)->EN_data.en_type,
+					"passwd_tbl") != 0
+			     || NIS_RES_OBJECT (cached_results)->EN_data.en_cols.en_cols_len < 7,
+			     0))
+    {
+      nis_freeresult (cached_results);
+      cached_results = NULL;
+      status = NSS_STATUS_NOTFOUND;
+    }
+
+  return status;
+}
+
+
+enum nss_status
+_nss_nisplus_setpwent (int stayopen)
+{
+  enum nss_status status = NSS_STATUS_SUCCESS;
+
+  __libc_lock_lock (lock);
+
+  internal_nisplus_endpwent ();
 
   if (pwd_tablename_val == NULL)
     {
+      // XXX We need to be able to set errno.  Pass in new parameter.
       int err;
       status = _nss_pwd_create_tablename (&err);
     }
 
+  if (status == NSS_STATUS_SUCCESS
+      && (_nsl_default_nss () & NSS_FLAG_SETENT_BATCH_READ))
+    {
+      // XXX We need to be able to set errno.  Pass in new parameter.
+      int err;
+      status = internal_nisplus_setpwent (&err);
+    }
+
   __libc_lock_unlock (lock);
 
   return status;
 }
 
+
 enum nss_status
 _nss_nisplus_endpwent (void)
 {
   __libc_lock_lock (lock);
 
-  if (result != NULL)
-    {
-      nis_freeresult (result);
-      result = NULL;
-    }
+  internal_nisplus_endpwent ();
 
   __libc_lock_unlock (lock);
 
   return NSS_STATUS_SUCCESS;
 }
 
+
 static enum nss_status
 internal_nisplus_getpwent_r (struct passwd *pw, char *buffer, size_t buflen,
 			     int *errnop)
 {
-  int parse_res;
+  int parse_res = -1;
+  nis_result *saved_res = NULL;
 
   /* Get the next entry until we found a correct one. */
   do
     {
-      nis_result *saved_res;
-
-      if (result == NULL)
+      if (cached_results != NULL)
 	{
-	  saved_res = NULL;
-          if (pwd_tablename_val == NULL)
-	    {
-	      enum nss_status status = _nss_pwd_create_tablename (errnop);
-
-	      if (status != NSS_STATUS_SUCCESS)
-		return status;
-	    }
-
-	  result = nis_first_entry (pwd_tablename_val);
-	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
-	    return niserr2nss (result->status);
+	handle_batch_read:
+	  /* See whether we reported the last problem.  */
+	  if (cached_results_iter >= NIS_RES_NUMOBJ (cached_results))
+	    return NSS_STATUS_NOTFOUND;
+
+	  parse_res = _nss_nisplus_parse_pwent (cached_results,
+						cached_results_iter, pw,
+						buffer, buflen, errnop);
 	}
       else
 	{
-	  saved_res = result;
-	  result = nis_next_entry (pwd_tablename_val, &result->cookie);
-	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
+	  if (result == NULL)
+	    {
+	      if (pwd_tablename_val == NULL)
+		{
+		  enum nss_status status = _nss_pwd_create_tablename (errnop);
+
+		  if (status != NSS_STATUS_SUCCESS)
+		    return status;
+		}
+
+	      /* Determine whether we should instead read all entries at
+		 once.  */
+	      if (_nsl_default_nss () & NSS_FLAG_SETENT_BATCH_READ)
+		{
+		  enum nss_status status = internal_nisplus_setpwent (errnop);
+
+		  if (status == NSS_STATUS_SUCCESS && cached_results != NULL)
+		    goto handle_batch_read;
+		}
+
+	      saved_res = NULL;
+
+	      result = nis_first_entry (pwd_tablename_val);
+	      if (result == NULL)
+		{
+		  *errnop = errno;
+		  return NSS_STATUS_TRYAGAIN;
+		}
+	      if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
+		return niserr2nss (result->status);
+	    }
+	  else
 	    {
-	      nis_freeresult (saved_res);
-	      return niserr2nss (result->status);
+	      saved_res = result;
+	      result = nis_next_entry (pwd_tablename_val, &result->cookie);
+	      if (result == NULL)
+		{
+		  *errnop = errno;
+		  return NSS_STATUS_TRYAGAIN;
+		}
+	      if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
+		{
+		  nis_freeresult (saved_res);
+		  return niserr2nss (result->status);
+		}
 	    }
+
+	  parse_res = _nss_nisplus_parse_pwent_chk (result, pw, buffer,
+						    buflen, errnop);
 	}
 
-      parse_res = _nss_nisplus_parse_pwent (result, pw, buffer,
-					    buflen, errnop);
       if (__builtin_expect (parse_res == -1, 0))
 	{
-	  nis_freeresult (result);
-	  result = saved_res;
+	  if (cached_results == NULL)
+	    {
+	      nis_freeresult (result);
+	      result = saved_res;
+	    }
 	  *errnop = ERANGE;
 	  return NSS_STATUS_TRYAGAIN;
 	}
 
-      if (saved_res)
-	nis_freeresult (saved_res);
+      if (cached_results != NULL)
+	++cached_results_iter;
+      else
+	if (saved_res)
+	  {
+	    nis_freeresult (saved_res);
+	    saved_res = NULL;
+	  }
     }
   while (!parse_res);
 
@@ -223,7 +331,8 @@ _nss_nisplus_getpwnam_r (const char *name, struct passwd *pw,
       return status;
     }
 
-  parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen, errnop);
+  parse_res = _nss_nisplus_parse_pwent_chk (result, pw, buffer, buflen,
+					    errnop);
 
   nis_freeresult (result);
 
@@ -282,7 +391,8 @@ _nss_nisplus_getpwuid_r (const uid_t uid, struct passwd *pw,
       return status;
     }
 
-  parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen, errnop);
+  parse_res = _nss_nisplus_parse_pwent_chk (result, pw, buffer, buflen,
+					    errnop);
 
   nis_freeresult (result);
 
diff --git a/nis/nss_nisplus/nisplus-rpc.c b/nis/nss_nisplus/nisplus-rpc.c
index 1c3faa7dc0..5875bbe98d 100644
--- a/nis/nss_nisplus/nisplus-rpc.c
+++ b/nis/nss_nisplus/nisplus-rpc.c
@@ -229,6 +229,11 @@ internal_nisplus_getrpcent_r (struct rpcent *rpc, char *buffer,
 	    }
 
 	  result = nis_first_entry (tablename_val);
+	  if (result == NULL)
+	    {
+	      *errnop = errno;
+	      return NSS_STATUS_TRYAGAIN;
+	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
 	    return niserr2nss (result->status);
 	}
@@ -236,6 +241,11 @@ internal_nisplus_getrpcent_r (struct rpcent *rpc, char *buffer,
 	{
 	  saved_res = result;
 	  result = nis_next_entry (tablename_val, &result->cookie);
+	  if (result == NULL)
+	    {
+	      *errnop = errno;
+	      return NSS_STATUS_TRYAGAIN;
+	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
 	    {
 	      nis_freeresult (saved_res);
diff --git a/nis/nss_nisplus/nisplus-service.c b/nis/nss_nisplus/nisplus-service.c
index 3dd9f4dde6..51c1956e2f 100644
--- a/nis/nss_nisplus/nisplus-service.c
+++ b/nis/nss_nisplus/nisplus-service.c
@@ -234,6 +234,11 @@ internal_nisplus_getservent_r (struct servent *serv, char *buffer,
 	    }
 
 	  result = nis_first_entry (tablename_val);
+	  if (result == NULL)
+	    {
+	      *errnop = errno;
+	      return NSS_STATUS_TRYAGAIN;
+	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
 	    return niserr2nss (result->status);
 	}
@@ -241,6 +246,11 @@ internal_nisplus_getservent_r (struct servent *serv, char *buffer,
 	{
 	  saved_res = result;
 	  result = nis_next_entry (tablename_val, &result->cookie);
+	  if (result == NULL)
+	    {
+	      *errnop = errno;
+	      return NSS_STATUS_TRYAGAIN;
+	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
 	    {
 	      nis_freeresult (saved_res);
diff --git a/nis/nss_nisplus/nisplus-spwd.c b/nis/nss_nisplus/nisplus-spwd.c
index 8584300698..e63e1eeaec 100644
--- a/nis/nss_nisplus/nisplus-spwd.c
+++ b/nis/nss_nisplus/nisplus-spwd.c
@@ -99,6 +99,11 @@ internal_nisplus_getspent_r (struct spwd *sp, char *buffer, size_t buflen,
 	    }
 
 	  result = nis_first_entry (pwd_tablename_val);
+	  if (result == NULL)
+	    {
+	      *errnop = errno;
+	      return NSS_STATUS_TRYAGAIN;
+	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
 	    return niserr2nss (result->status);
 	}
@@ -106,6 +111,11 @@ internal_nisplus_getspent_r (struct spwd *sp, char *buffer, size_t buflen,
 	{
 	  saved_res = result;
 	  result = nis_next_entry (pwd_tablename_val, &result->cookie);
+	  if (result == NULL)
+	    {
+	      *errnop = errno;
+	      return NSS_STATUS_TRYAGAIN;
+	    }
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
 	    {
 	      nis_freeresult (saved_res);
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-07-14 02:28:00 +0000