v1.07: fix highly-improbable segfault

[hcoop/debian/libnss-afs.git] / nss_afs.c

diff --git a/nss_afs.c b/nss_afs.c
index 11d9fb3..e05f53a 100644 (file)
--- a/nss_afs.c
+++ b/nss_afs.c
@@ -405,6 +405,14 @@ enum nss_status fill_result_buf(uid_t uid,
     result_buf->pw_shell = buffer;
     if ( get_shell(result_buf->pw_name,&buffer,&buflen) ) break;
 
+#ifdef LIMIT_USERNAME_CHARS
+    if ( strlen(result_buf->pw_name) > LIMIT_USERNAME_CHARS ) {
+      result_buf->pw_name[LIMIT_USERNAME_CHARS] = '\0';
+      buflen = buflen + ( buffer - &result_buf->pw_name[LIMIT_USERNAME_CHARS+1] );
+      buffer = &result_buf->pw_name[LIMIT_USERNAME_CHARS+1];
+    }
+#endif
+
     *errnop = errno;
     return NSS_STATUS_SUCCESS;
   } while(0);
@@ -436,14 +444,6 @@ enum nss_status _nss_afs_getpwuid_r (uid_t uid,
     return temp;
   }
 
-#ifdef LIMIT_USERNAME_CHARS
-  if ( strlen(result_buf->pw_name) > LIMIT_USERNAME_CHARS ) {
-    result_buf->pw_name[LIMIT_USERNAME_CHARS] = '\0';
-    buflen = buflen + ( buffer - &result_buf->pw_name[LIMIT_USERNAME_CHARS+1] );
-    buffer = &result_buf->pw_name[LIMIT_USERNAME_CHARS+1];
-  }
-#endif
-
   return fill_result_buf(uid, name, result_buf, buffer, buflen, errnop);
 }