libwbclient: fix returned LogonInfo in wbc_LogonUser().

That function could return emtpy blobs for username and ccache for e.g. cached
logins.

Guenther

diff --git a/nsswitch/libwbclient/wbc_pam.c b/nsswitch/libwbclient/wbc_pam.c
index a245d8a04440521fed72a8f89d59765f5d399810..d3bf6168ed370bb7f7822a3cd177079378b3bf52 100644 (file)
--- a/nsswitch/libwbclient/wbc_pam.c
+++ b/nsswitch/libwbclient/wbc_pam.c
@@ -268,7 +268,8 @@ static wbcErr wbc_create_logon_info(TALLOC_CTX *mem_ctx,
        wbc_status = wbc_create_auth_info(i, resp, &i->info);
        BAIL_ON_WBC_ERROR(wbc_status);
 
-       if (resp->data.auth.krb5ccname) {
+       if (resp->data.auth.krb5ccname &&
+           strlen(resp->data.auth.krb5ccname)) {
                wbc_status = wbcAddNamedBlob(&i->num_blobs,
                                             &i->blobs,
                                             "krb5ccname",
@@ -278,7 +279,8 @@ static wbcErr wbc_create_logon_info(TALLOC_CTX *mem_ctx,
                BAIL_ON_WBC_ERROR(wbc_status);
        }
 
-       if (resp->data.auth.unix_username) {
+       if (resp->data.auth.unix_username &&
+           strlen(resp->data.auth.unix_username)) {
                wbc_status = wbcAddNamedBlob(&i->num_blobs,
                                             &i->blobs,
                                             "unix_username",