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According to the documentation mech_type for gss_init_sec_context() may

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be passed as GSS_C_NO_OID in which case a default mech should be used.
This case was not handled and leads to core dumps when using nss_ldap.
Now use the first mech in this case. When there is no mechanism available
return an error (this part is taken from the PR).

PR:		113266
Submitted by:	Eirik Nygaard <eirikald@pvv.ntnu.no> (partly)
This commit is contained in:
harti 2007-06-14 19:58:24 +00:00
parent 18afb27e89
commit f1a585dc51
1 changed files with 9 additions and 1 deletions
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10
lib/libgssapi/gss_init_sec_context.c
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@ -41,7 +41,7 @@ gss_init_sec_context(OM_uint32 * minor_status,
const gss_cred_id_t initiator_cred_handle,
gss_ctx_id_t * context_handle,
const gss_name_t target_name,
const gss_OID mech_type,
const gss_OID imech_type,
OM_uint32 req_flags,
OM_uint32 time_req,
const gss_channel_bindings_t input_chan_bindings,
@ -52,6 +52,7 @@ gss_init_sec_context(OM_uint32 * minor_status,
OM_uint32 * time_rec)
{
OM_uint32 major_status;
gss_OID mech_type;
struct _gss_mech_switch *m;
struct _gss_name *name = (struct _gss_name *) target_name;
struct _gss_mechanism_name *mn;
@ -63,6 +64,13 @@ gss_init_sec_context(OM_uint32 * minor_status,
*minor_status = 0;
if ((mech_type = imech_type) == GSS_C_NO_OID) {
_gss_load_mech();
mech_type = &SLIST_FIRST(&_gss_mechs)->gm_mech_oid;
if (mech_type == NULL)
return (GSS_S_BAD_MECH);
}
/*
* If we haven't allocated a context yet, do so now and lookup
* the mechanism switch table. If we have one already, make