Changeset 1553 for trunk/server/common

Timestamp:

May 3, 2010, 1:20:42 AM (14 years ago)

Author:

andersk

Message:

Update nss_nonlocal to 1.11.

Location:

trunk/server/common/oursrc/nss_nonlocal

Files:

• COPYING.LESSER (added)
• README (modified) (1 diff)
• configure.ac (modified) (1 diff)
• nonlocal-group.c (modified) (10 diffs)
• nonlocal-passwd.c (modified) (7 diffs)
• nonlocal-shadow.c (modified) (3 diffs)

trunk/server/common/oursrc/nss_nonlocal/README

@@ -9 +9 @@
 group:          compat nonlocal
 group_nonlocal: hesiod
+
+Copyright © 2007–2010 Anders Kaseorg <andersk@mit.edu> and Tim Abbott
+<tabbott@mit.edu>
+
+nss_nonlocal is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as
+published by the Free Software Foundation; either version 2.1 of the
+License, or (at your option) any later version.
+
+nss_nonlocal is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with nss_nonlocal; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301  USA

trunk/server/common/oursrc/nss_nonlocal/configure.ac

@@ -1 @@
-AC_INIT([nss_nonlocal], [1.9], [andersk@mit.edu])
+AC_INIT([nss_nonlocal], [1.11], [andersk@mit.edu])
 AC_CANONICAL_TARGET
 AM_INIT_AUTOMAKE([-Wall -Werror foreign])
+m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 
 AC_PREFIX_DEFAULT([/])

trunk/server/common/oursrc/nss_nonlocal/nonlocal-group.c

@@ -3 +3 @@
  * group database for nss_nonlocal proxy
  *
- * Copyright © 2007 Anders Kaseorg <andersk@mit.edu> and Tim Abbott
- * <tabbott@mit.edu>
+ * Copyright © 2007–2010 Anders Kaseorg <andersk@mit.edu> and Tim
+ * Abbott <tabbott@mit.edu>
  *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use, copy,
- * modify, merge, publish, distribute, sublicense, and/or sell copies
- * of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
+ * This file is part of nss_nonlocal.
  *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
+ * nss_nonlocal is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
  *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * nss_nonlocal is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with nss_nonlocal; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301  USA
  */
 
@@ -82 +79 @@
     int old_errno = errno;
 
-    int buflen = sysconf(_SC_GETGR_R_SIZE_MAX);
+    size_t buflen = sysconf(_SC_GETGR_R_SIZE_MAX);
     char *buf = malloc(buflen);
     if (buf == NULL) {
@@ -117 +114 @@
 
     if (status == NSS_STATUS_SUCCESS) {
-        syslog(LOG_WARNING, "nss_nonlocal: removing local group %u (%s) from non-local user %s\n", gbuf.gr_gid, gbuf.gr_name, user);
+        syslog(LOG_DEBUG, "nss_nonlocal: removing local group %u (%s) from non-local user %s\n", gbuf.gr_gid, gbuf.gr_name, user);
         status = NSS_STATUS_NOTFOUND;
     } else if (status != NSS_STATUS_TRYAGAIN) {
@@ -125 +122 @@
     free(buf);
     return status;
+}
+
+enum nss_status
+check_nonlocal_group(const char *user, struct group *grp, int *errnop)
+{
+    enum nss_status status = NSS_STATUS_SUCCESS;
+    int old_errno = errno;
+    char *end;
+    unsigned long gid;
+
+    errno = 0;
+    gid = strtoul(grp->gr_name, &end, 10);
+    if (errno == 0 && *end == '\0' && (gid_t)gid == gid)
+        status = check_nonlocal_gid(user, gid, errnop);
+    errno = old_errno;
+    if (status != NSS_STATUS_SUCCESS)
+        return status;
+
+    return check_nonlocal_gid(user, grp->gr_gid, errnop);
 }
 
@@ -281 +297 @@
                 status = DL_CALL_FCT(grent_fct.l, (grp, buffer, buflen, errnop));
             while (status == NSS_STATUS_SUCCESS &&
-                   check_nonlocal_gid("(unknown)", grp->gr_gid, &nonlocal_errno) != NSS_STATUS_SUCCESS);
+                   check_nonlocal_group("(unknown)", grp, &nonlocal_errno) != NSS_STATUS_SUCCESS);
         }
         if (status == NSS_STATUS_TRYAGAIN && *errnop == ERANGE)
@@ -330 +346 @@
         return status;
 
-    return check_nonlocal_gid(name, grp->gr_gid, errnop);
+    if (strcmp(name, grp->gr_name) != 0) {
+        syslog(LOG_ERR, "nss_nonlocal: discarding group %s from lookup for group %s\n", grp->gr_name, name);
+        return NSS_STATUS_NOTFOUND;
+    }
+
+    return check_nonlocal_group(name, grp, errnop);
 }
 
@@ -368 +389 @@
         return status;
 
-    return check_nonlocal_gid(grp->gr_name, grp->gr_gid, errnop);
+    if (gid != grp->gr_gid) {
+        syslog(LOG_ERR, "nss_nonlocal: discarding gid %d from lookup for gid %d\n", grp->gr_gid, gid);
+        return NSS_STATUS_NOTFOUND;
+    }
+
+    return check_nonlocal_group(grp->gr_name, grp, errnop);
 }
 
@@ -391 +417 @@
     int is_local = 0;
     char *buffer;
+    int old_errno;
+    int in, out, i;
 
     /* Check that the user is a nonlocal user before adding any groups. */
@@ -399 +427 @@
         is_local = 1;
 
-    int old_errno = errno;
+    old_errno = errno;
 
     status = get_local_group(MAGIC_LOCAL_GROUPNAME,
@@ -462 +490 @@
         return NSS_STATUS_SUCCESS;
 
-    int in = *start, out = *start, i;
+    in = out = *start;
 
     nip = nss_group_nonlocal_database();

trunk/server/common/oursrc/nss_nonlocal/nonlocal-passwd.c

@@ -3 +3 @@
  * passwd database for nss_nonlocal proxy.
  *
- * Copyright © 2007 Anders Kaseorg <andersk@mit.edu> and Tim Abbott
- * <tabbott@mit.edu>
+ * Copyright © 2007–2010 Anders Kaseorg <andersk@mit.edu> and Tim
+ * Abbott <tabbott@mit.edu>
  *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use, copy,
- * modify, merge, publish, distribute, sublicense, and/or sell copies
- * of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
+ * This file is part of nss_nonlocal.
  *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
+ * nss_nonlocal is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
  *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * nss_nonlocal is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with nss_nonlocal; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301  USA
  */
 
@@ -80 +77 @@
     int old_errno = errno;
 
-    int buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
+    size_t buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
     char *buf = malloc(buflen);
     if (buf == NULL) {
@@ -126 +123 @@
 
 enum nss_status
+check_nonlocal_passwd(const char *user, struct passwd *pwd, int *errnop)
+{
+    enum nss_status status = NSS_STATUS_SUCCESS;
+    int old_errno = errno;
+    char *end;
+    unsigned long uid;
+
+    errno = 0;
+    uid = strtoul(pwd->pw_name, &end, 10);
+    if (errno == 0 && *end == '\0' && (uid_t)uid == uid)
+        status = check_nonlocal_uid(user, uid, errnop);
+    errno = old_errno;
+    if (status != NSS_STATUS_SUCCESS)
+        return status;
+
+    return check_nonlocal_uid(user, pwd->pw_uid, errnop);
+}
+
+enum nss_status
 check_nonlocal_user(const char *user, int *errnop)
 {
@@ -141 +157 @@
     int old_errno = errno;
 
-    int buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
+    size_t buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
     char *buf = malloc(buflen);
     if (buf == NULL) {
@@ -280 +296 @@
                 status = DL_CALL_FCT(pwent_fct.l, (pwd, buffer, buflen, errnop));
             while (status == NSS_STATUS_SUCCESS &&
-                   check_nonlocal_uid(pwd->pw_name, pwd->pw_uid, &nonlocal_errno) != NSS_STATUS_SUCCESS);
+                   check_nonlocal_passwd(pwd->pw_name, pwd, &nonlocal_errno) != NSS_STATUS_SUCCESS);
         }
         if (status == NSS_STATUS_TRYAGAIN && *errnop == ERANGE)
@@ -330 +346 @@
         return status;
 
-    status = check_nonlocal_uid(name, pwd->pw_uid, errnop);
+    if (strcmp(name, pwd->pw_name) != 0) {
+        syslog(LOG_ERR, "nss_nonlocal: discarding user %s from lookup for user %s\n", pwd->pw_name, name);
+        return NSS_STATUS_NOTFOUND;
+    }
+
+    status = check_nonlocal_passwd(name, pwd, errnop);
     if (status != NSS_STATUS_SUCCESS)
         return status;
@@ -376 +397 @@
         return status;
 
-    status = check_nonlocal_uid(pwd->pw_name, pwd->pw_uid, errnop);
+    if (uid != pwd->pw_uid) {
+        syslog(LOG_ERR, "nss_nonlocal: discarding uid %d from lookup for uid %d\n", pwd->pw_uid, uid);
+        return NSS_STATUS_NOTFOUND;
+    }
+
+    status = check_nonlocal_passwd(pwd->pw_name, pwd, errnop);
     if (status != NSS_STATUS_SUCCESS)
         return status;

trunk/server/common/oursrc/nss_nonlocal/nonlocal-shadow.c

@@ -3 +3 @@
  * shadow database for nss_nonlocal proxy.
  *
- * Copyright © 2007 Anders Kaseorg <andersk@mit.edu>
+ * Copyright © 2007–2010 Anders Kaseorg <andersk@mit.edu>
  *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use, copy,
- * modify, merge, publish, distribute, sublicense, and/or sell copies
- * of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
+ * This file is part of nss_nonlocal.
  *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
+ * nss_nonlocal is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
  *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * nss_nonlocal is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with nss_nonlocal; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301  USA
  */
 
@@ -34 +31 @@
 #include <dlfcn.h>
 #include <stdio.h>
+#include <syslog.h>
 #include <errno.h>
 #include <shadow.h>
@@ -180 +178 @@
             break;
     } while (__nss_next(&nip, fct_name, &fct.ptr, status, 0) == 0);
-    return status;
+    if (status != NSS_STATUS_SUCCESS)
+        return status;
+
+    if (strcmp(name, pwd->sp_namp) != 0) {
+        syslog(LOG_ERR, "nss_nonlocal: discarding shadow %s from lookup for shadow %s\n", pwd->sp_namp, name);
+        return NSS_STATUS_NOTFOUND;
+    }
+
+    return NSS_STATUS_SUCCESS;
 }