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Diffstat (limited to 'nis/nss_nisplus/nisplus-pwd.c')
-rw-r--r--nis/nss_nisplus/nisplus-pwd.c197
1 files changed, 61 insertions, 136 deletions
diff --git a/nis/nss_nisplus/nisplus-pwd.c b/nis/nss_nisplus/nisplus-pwd.c
index 89b0eff7a7..459a1a4380 100644
--- a/nis/nss_nisplus/nisplus-pwd.c
+++ b/nis/nss_nisplus/nisplus-pwd.c
@@ -30,127 +30,48 @@
 __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)
+extern int _nss_nisplus_parse_pwent (nis_result *res, struct passwd *pw,
+				     char *buffer, size_t buflen);
 
-#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)
-
-int
-_nss_nisplus_parse_pwent (nis_result *result, struct passwd *pw,
-			  char *buffer, size_t buflen)
+static enum nss_status
+_nss_create_tablename (void)
 {
-  char *first_unused = buffer;
-  size_t room_left = buflen;
-
-  if (result == NULL)
-    return 0;
-
-  if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS) ||
-      result->objects.objects_len != 1 ||
-      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,
-	     "passwd_tbl") != 0 ||
-      result->objects.objects_val[0].zo_data.objdata_u.en_data.en_cols.en_cols_len < 7)
-    return 0;
-
-  if (NISENTRYLEN(0, 0, result) >= room_left)
+  if (tablename_val == NULL)
     {
-      /* The line is too long for our buffer.  */
-    no_more_room:
-      __set_errno (ERANGE);
-      return 0;
+      char buf [40 + strlen (nis_local_directory ())];
+      char *p;
+
+      p = stpcpy (buf, "passwd.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);
     }
-
-  strncpy (first_unused, NISENTRYVAL(0, 0, result),
-	   NISENTRYLEN (0, 0, result));
-  first_unused[NISENTRYLEN(0, 0, result)] = '\0';
-  pw->pw_name = first_unused;
-  room_left -= (strlen (first_unused) +1);
-  first_unused += strlen (first_unused) +1;
-
-  if (NISENTRYLEN(0, 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';
-  pw->pw_passwd = first_unused;
-  room_left -= (strlen (first_unused) +1);
-  first_unused += strlen (first_unused) +1;
-
-  if (NISENTRYLEN(0, 2, result) >= room_left)
-    goto no_more_room;
-
-  strncpy (first_unused, NISENTRYVAL (0, 2, result),
-	   NISENTRYLEN (0, 2, result));
-  first_unused[NISENTRYLEN(0, 2, result)] = '\0';
-  pw->pw_uid = atoi (first_unused);
-  room_left -= (strlen (first_unused) +1);
-  first_unused += strlen (first_unused) +1;
-
-  if (NISENTRYLEN(0, 3, result) >= room_left)
-    goto no_more_room;
-
-  strncpy (first_unused, NISENTRYVAL(0, 3, result),
-	   NISENTRYLEN (0, 3, result));
-  first_unused[NISENTRYLEN(0, 3, result)] = '\0';
-  pw->pw_gid = atoi (first_unused);
-  room_left -= (strlen (first_unused) +1);
-  first_unused += strlen (first_unused) +1;
-
-  if (NISENTRYLEN(0, 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';
-  pw->pw_gecos = first_unused;
-  room_left -= (strlen (first_unused) +1);
-  first_unused += strlen (first_unused) +1;
-
-  if (NISENTRYLEN(0, 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';
-  pw->pw_dir = first_unused;
-  room_left -= (strlen (first_unused) +1);
-  first_unused += strlen (first_unused) +1;
-
-  if (NISENTRYLEN(0, 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';
-  pw->pw_shell = first_unused;
-  room_left -= (strlen (first_unused) +1);
-  first_unused += strlen (first_unused) +1;
-
-  return 1;
+  return NSS_STATUS_SUCCESS;
 }
 
+
 enum nss_status
 _nss_nisplus_setpwent (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)
+    status = _nss_create_tablename ();
 
   __libc_lock_unlock (lock);
 
-  return NSS_STATUS_SUCCESS;
+  return status;
 }
 
 enum nss_status
@@ -161,11 +82,6 @@ _nss_nisplus_endpwent (void)
   if (result)
     nis_freeresult (result);
   result = NULL;
-  if (names)
-    {
-      nis_freenames (names);
-      names = NULL;
-    }
 
   __libc_lock_unlock (lock);
 
@@ -182,11 +98,11 @@ internal_nisplus_getpwent_r (struct passwd *pw, char *buffer, size_t buflen)
     {
       if (result == NULL)
 	{
-	  names = nis_getnames ("passwd.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)
 	    return niserr2nss (result->status);
 	}
@@ -194,7 +110,7 @@ internal_nisplus_getpwent_r (struct passwd *pw, char *buffer, size_t buflen)
 	{
 	  nis_result *res;
 
-	  res = nis_next_entry(names[0], &result->cookie);
+	  res = nis_next_entry(tablename_val, &result->cookie);
 	  nis_freeresult (result);
 	  result = res;
 	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
@@ -227,16 +143,20 @@ _nss_nisplus_getpwnam_r (const char *name, struct passwd *pw,
 {
   int parse_res;
 
+  if (tablename_val == NULL)
+    if (_nss_create_tablename () != NSS_STATUS_SUCCESS)
+      return NSS_STATUS_UNAVAIL;
+
   if (name == NULL || strlen (name) > 8)
     return NSS_STATUS_NOTFOUND;
   else
     {
       nis_result *result;
-      char buf[strlen (name) + 24];
+      char buf[strlen (name) + 24 + tablename_len];
 
-      sprintf(buf, "[name=%s],passwd.org_dir", name);
+      sprintf(buf, "[name=%s],%s", name, tablename_val);
 
-      result = nis_list(buf, EXPAND_NAME, NULL, NULL);
+      result = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
 
       if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
 	{
@@ -264,30 +184,35 @@ enum nss_status
 _nss_nisplus_getpwuid_r (const uid_t uid, struct passwd *pw,
 		     char *buffer, size_t buflen)
 {
-  int parse_res;
-  nis_result *result;
-  char buf[100];
-
-  sprintf(buf, "[uid=%d],passwd.org_dir", uid);
+  if (tablename_val == NULL)
+    if (_nss_create_tablename () != NSS_STATUS_SUCCESS)
+      return NSS_STATUS_UNAVAIL;
+  {
+    int parse_res;
+    nis_result *result;
+    char buf[100 + tablename_len];
 
-  result = nis_list(buf, EXPAND_NAME, NULL, NULL);
+    sprintf(buf, "[uid=%d],%s", uid, tablename_val);
 
-  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
-   {
-     enum nss_status status = niserr2nss (result->status);
+    result = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
 
-     nis_freeresult (result);
-     return status;
-   }
+    if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
+      {
+	enum nss_status status = niserr2nss (result->status);
 
-  parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen);
+	nis_freeresult (result);
+	return status;
+      }
 
-  nis_freeresult (result);
-  if (parse_res)
-    return NSS_STATUS_SUCCESS;
+    parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen);
 
-  if (!parse_res && errno == ERANGE)
-    return NSS_STATUS_TRYAGAIN;
-  else
-    return NSS_STATUS_NOTFOUND;
+    nis_freeresult (result);
+    if (parse_res)
+      return NSS_STATUS_SUCCESS;
+
+    if (!parse_res && errno == ERANGE)
+      return NSS_STATUS_TRYAGAIN;
+    else
+      return NSS_STATUS_NOTFOUND;
+  }
 }
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-07-26 12:29:06 +0000