Extend getent to handle the shadow database.

BZ #10207

ChangeLog

@@ -1,5 +1,8 @@
 2009-06-15  Ulrich Drepper  <drepper@redhat.com>
 
+	[BZ #10207]
+	* nss/getent.c: Add support for print gshadow data.
+
 	[BZ #10203]
 	* nis/nss_nis/nis-pwd.c (internal_nis_endpwent): Free all buffers,
 	not just the currently used one and those which follow.

nss/getent.c

@@ -24,6 +24,7 @@
 #include <ctype.h>
 #include <error.h>
 #include <grp.h>
+#include <gshadow.h>
 #include <libintl.h>
 #include <locale.h>
 #include <mcheck.h>
@@ -232,6 +233,70 @@ group_keys (int number, char *key[])
   return result;
 }
 
+/* This is for gshadow */
+static void
+print_gshadow (struct sgrp *sg)
+{
+  unsigned int i = 0;
+
+  printf ("%s:%s:",
+	  sg->sg_namp ? sg->sg_namp : "",
+	  sg->sg_passwd ? sg->sg_passwd : "");
+
+  while (sg->sg_adm[i] != NULL)
+    {
+      fputs_unlocked (sg->sg_adm[i], stdout);
+      ++i;
+      if (sg->sg_adm[i] != NULL)
+	putchar_unlocked (',');
+    }
+
+  putchar_unlocked (':');
+
+  i = 0;
+  while (sg->sg_mem[i] != NULL)
+    {
+      fputs_unlocked (sg->sg_mem[i], stdout);
+      ++i;
+      if (sg->sg_mem[i] != NULL)
+	putchar_unlocked (',');
+    }
+
+  putchar_unlocked ('\n');
+}
+
+static int
+gshadow_keys (int number, char *key[])
+{
+  int result = 0;
+  int i;
+
+  if (number == 0)
+    {
+      struct sgrp *sg;
+
+      setsgent ();
+      while ((sg = getsgent ()) != NULL)
+	print_gshadow (sg);
+      endsgent ();
+      return result;
+    }
+
+  for (i = 0; i < number; ++i)
+    {
+      struct sgrp *sg;
+
+      sg = getsgnam (key[i]);
+
+      if (sg == NULL)
+	result = 2;
+      else
+	print_gshadow (sg);
+    }
+
+  return result;
+}
+
 /* This is for hosts */
 static void
 print_hosts (struct hostent *host)
@@ -756,6 +821,7 @@ D(ahostsv6)
 D(aliases)
 D(ethers)
 D(group)
+D(gshadow)
 D(hosts)
 D(netgroup)
 D(networks)