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gssapi: import bugfixes from Apple Heimdal-520

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* check `ctx->gc_ctx` in `gss_inquire_context()`
* check `gm_inquire_cred != NULL` in `gss_inquire_context()`
* check `min_lifetime` in `gss_inquire_cred()`
* check `gm_inquire_cred_by_mech != NULL` in `gss_inquire_cred_by_mech()`
* set mech error in `gss_inquire_cred_by_oid()`
* don't clobber error in `gss_inquire_cred_by_oid()`
* don't pass NULL minor_status to `gss_krb5_free_lucid_sec_context()`
* allow NULL ccache in `gss_krb5_ccache_name()`
* NULL names OK in `_gss_find_mn()`
* allow empty names in `gss_import_name()` (removes `input_name_buffer` length
  check). to support ANONYMOUS.  in `gss_import_name()`, ignore mech name
  import failure as long as it's possible to import the name in some other
  mechanism
* better argument validation in `gss_export_sec_context()`
* in `gss_compare_name()`, check `mn2 != NULL`
* check `gss_add_oid_set_member()` return code in `gss_indicate_mechs()`
* in `gss_destroy_cred()`, set output cred handle to `GSS_C_NO_CREDENTIAL`
* cast size_t to OM_uint32 where required
This commit is contained in:
Luke Howard
2019-01-03 09:06:46 +11:00
parent 29fe69f95f
commit ad426d0385
13 changed files with 98 additions and 26 deletions
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5
lib/gssapi/mech/gss_utils.c
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@@ -30,7 +30,8 @@
static OM_uint32
_gss_copy_oid(OM_uint32 *minor_status,
gss_const_OID from_oid, gss_OID to_oid)
gss_const_OID from_oid,
gss_OID to_oid)
{
size_t len = from_oid->length;
@@ -41,7 +42,7 @@ _gss_copy_oid(OM_uint32 *minor_status,
*minor_status = ENOMEM;
return GSS_S_FAILURE;
}
to_oid->length = len;
to_oid->length = (OM_uint32)len;
memcpy(to_oid->elements, from_oid->elements, len);
return (GSS_S_COMPLETE);
}