Check that a nonlocal lookup by name returns the right name.

[nss_nonlocal.git] / nonlocal-group.c

diff --git a/nonlocal-group.c b/nonlocal-group.c
index e21ac84562d190aed6ee9ad47667c76fdb3a1b2d..83e5d12e385bbe5f8a1a640ed2712f9ded310937 100644 (file)
--- a/nonlocal-group.c
+++ b/nonlocal-group.c
@@ -81,7 +81,7 @@ check_nonlocal_gid(const char *user, gid_t gid, int *errnop)
     struct group gbuf;
     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) {
        *errnop = ENOMEM;
@@ -329,6 +329,11 @@ _nss_nonlocal_getgrnam_r(const char *name, struct group *grp,
     if (status != NSS_STATUS_SUCCESS)
        return status;
 
+    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_gid(name, grp->gr_gid, errnop);
 }