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* [PATCH] nss_compat: query NIS domain only when needed
@ 2011-07-01 10:29 Andreas Schwab
  0 siblings, 0 replies; only message in thread
From: Andreas Schwab @ 2011-07-01 10:29 UTC (permalink / raw)
  To: libc-hacker

2011-07-01  Andreas Schwab  <schwab@redhat.com>

	* nis/nss_compat/compat-pwd.c (getpwent_next_nss_netgr): Query NIS
	domain only when needed.
---
 nis/nss_compat/compat-pwd.c  |   27 +++++++++++++++------------
 nis/nss_compat/compat-spwd.c |   27 +++++++++++++++------------
 2 files changed, 30 insertions(+), 24 deletions(-)

diff --git a/nis/nss_compat/compat-pwd.c b/nis/nss_compat/compat-pwd.c
index 6462a85..5107f51 100644
--- a/nis/nss_compat/compat-pwd.c
+++ b/nis/nss_compat/compat-pwd.c
@@ -361,7 +361,7 @@ getpwent_next_nss_netgr (const char *name, struct passwd *result, ent_t *ent,
 			 char *group, char *buffer, size_t buflen,
 			 int *errnop)
 {
-  char *curdomain, *host, *user, *domain, *p2;
+  char *curdomain = NULL, *host, *user, *domain, *p2;
   int status;
   size_t p2len;
 
@@ -370,15 +370,7 @@ getpwent_next_nss_netgr (const char *name, struct passwd *result, ent_t *ent,
   if (!nss_getpwnam_r)
     return NSS_STATUS_UNAVAIL;
 
-  if (yp_get_default_domain (&curdomain) != YPERR_SUCCESS)
-    {
-      ent->netgroup = false;
-      ent->first = false;
-      give_pwd_free (&ent->pwd);
-      return NSS_STATUS_UNAVAIL;
-    }
-
-  if (ent->first == true)
+  if (ent->first)
     {
       memset (&ent->netgrdata, 0, sizeof (struct __netgrent));
       __internal_setnetgrent (group, &ent->netgrdata);
@@ -401,8 +393,19 @@ getpwent_next_nss_netgr (const char *name, struct passwd *result, ent_t *ent,
       if (user == NULL || user[0] == '-')
 	continue;
 
-      if (domain != NULL && strcmp (curdomain, domain) != 0)
-	continue;
+      if (domain != NULL)
+	{
+	  if (curdomain == NULL
+	      && yp_get_default_domain (&curdomain) != YPERR_SUCCESS)
+	    {
+	      __internal_endnetgrent (&ent->netgrdata);
+	      ent->netgroup = false;
+	      give_pwd_free (&ent->pwd);
+	      return NSS_STATUS_UNAVAIL;
+	    }
+	  if (strcmp (curdomain, domain) != 0)
+	    continue;
+	}
 
       /* If name != NULL, we are called from getpwnam.  */
       if (name != NULL)
diff --git a/nis/nss_compat/compat-spwd.c b/nis/nss_compat/compat-spwd.c
index 6699259..f33dd3e 100644
--- a/nis/nss_compat/compat-spwd.c
+++ b/nis/nss_compat/compat-spwd.c
@@ -318,7 +318,7 @@ getspent_next_nss_netgr (const char *name, struct spwd *result, ent_t *ent,
 			 char *group, char *buffer, size_t buflen,
 			 int *errnop)
 {
-  char *curdomain, *host, *user, *domain, *p2;
+  char *curdomain = NULL, *host, *user, *domain, *p2;
   size_t p2len;
 
   if (!nss_getspnam_r)
@@ -328,15 +328,7 @@ getspent_next_nss_netgr (const char *name, struct spwd *result, ent_t *ent,
   if (ent->setent_status != NSS_STATUS_SUCCESS)
     return ent->setent_status;
 
-  if (yp_get_default_domain (&curdomain) != YPERR_SUCCESS)
-    {
-      ent->netgroup = false;
-      ent->first = false;
-      give_spwd_free (&ent->pwd);
-      return NSS_STATUS_UNAVAIL;
-    }
-
-  if (ent->first == true)
+  if (ent->first)
     {
       memset (&ent->netgrdata, 0, sizeof (struct __netgrent));
       __internal_setnetgrent (group, &ent->netgrdata);
@@ -361,8 +353,19 @@ getspent_next_nss_netgr (const char *name, struct spwd *result, ent_t *ent,
       if (user == NULL || user[0] == '-')
 	continue;
 
-      if (domain != NULL && strcmp (curdomain, domain) != 0)
-	continue;
+      if (domain != NULL)
+	{
+	  if (curdomain == NULL
+	      && yp_get_default_domain (&curdomain) != YPERR_SUCCESS)
+	    {
+	      __internal_endnetgrent (&ent->netgrdata);
+	      ent->netgroup = false;
+	      give_spwd_free (&ent->pwd);
+	      return NSS_STATUS_UNAVAIL;
+	    }
+	  if (strcmp (curdomain, domain) != 0)
+	    continue;
+	}
 
       /* If name != NULL, we are called from getpwnam */
       if (name != NULL)
-- 
1.7.6


-- 
Andreas Schwab, schwab@redhat.com
GPG Key fingerprint = D4E8 DBE3 3813 BB5D FA84  5EC7 45C6 250E 6F00 984E
"And now for something completely different."

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