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Code

credentials: Only do shallow copies of valid ccaches

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Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Volker Lendecke 2018-11-21 17:36:35 +01:00 committed by Jeremy Allison
parent 8bde5ea169
commit f43ac073b2
1 changed files with 14 additions and 0 deletions
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14
auth/credentials/credentials_krb5.c
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@ -896,12 +896,26 @@ static int cli_credentials_shallow_ccache(struct cli_credentials *cred)
const struct ccache_container *old_ccc = NULL; const struct ccache_container *old_ccc = NULL;
struct ccache_container *ccc = NULL; struct ccache_container *ccc = NULL;
char *ccache_name = NULL; char *ccache_name = NULL;
krb5_principal princ;
old_ccc = cred->ccache; old_ccc = cred->ccache;
if (old_ccc == NULL) { if (old_ccc == NULL) {
return 0; return 0;
} }
ret = krb5_cc_get_principal(
old_ccc->smb_krb5_context->krb5_context,
old_ccc->ccache,
&princ);
if (ret != 0) {
/*
* This is an empty ccache. No point in copying anything.
*/
cred->ccache = NULL;
return 0;
}
krb5_free_principal(old_ccc->smb_krb5_context->krb5_context, princ);
ccc = talloc(cred, struct ccache_container); ccc = talloc(cred, struct ccache_container);
if (ccc == NULL) { if (ccc == NULL) {
return ENOMEM; return ENOMEM;