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(gss_set_cred_option): support the case where *cred_handle == NULL

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@17735 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2006-06-29 07:17:26 +00:00
parent 318994275e
commit b79c379578
1 changed files with 51 additions and 14 deletions
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65
lib/gssapi/mech/gss_set_cred_option.c
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@@ -39,31 +39,68 @@ gss_set_cred_option (OM_uint32 *minor_status,
const gss_OID object,
const gss_buffer_t value)
{
struct _gss_cred *cred = (struct _gss_cred *) cred_handle;
OM_uint32 major_status = GSS_S_COMPLETE;
struct _gss_cred *cred = (struct _gss_cred *) *cred_handle;
OM_uint32 major_status = GSS_S_COMPLETE;
struct _gss_mechanism_cred *mc;
gssapi_mech_interface m;
int one_ok = 0;
*minor_status = 0;
if (cred == NULL)
return GSS_S_NO_CRED;
if (cred == NULL) {
struct _gss_mech_switch *m;
SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
cred = malloc(sizeof(*cred));
if (cred == NULL)
return GSS_S_FAILURE;
m = mc->gmc_mech;
cred->gc_usage = GSS_C_BOTH; /* XXX */
SLIST_INIT(&cred->gc_mc);
if (m == NULL)
return GSS_S_BAD_MECH;
SLIST_FOREACH(m, &_gss_mechs, gm_link) {
if (m->gm_set_cred_option == NULL)
continue;
if (m->gm_mech.gm_set_cred_option == NULL)
continue;
major_status = m->gm_set_cred_option(minor_status,
&mc->gmc_cred, object, value);
if (major_status == GSS_S_BAD_MECH)
mc = malloc(sizeof(*mc));
if (mc == NULL) {
/* XXX free the other mc's */
return GSS_S_FAILURE;
}
mc->gmc_mech = &m->gm_mech;
mc->gmc_mech_oid = &m->gm_mech_oid;
mc->gmc_cred = GSS_C_NO_CREDENTIAL;
major_status = m->gm_mech.gm_set_cred_option(minor_status,
&mc->gmc_cred, object, value);
if (major_status) {
free(mc);
continue;
}
one_ok = 1;
SLIST_INSERT_HEAD(&cred->gc_mc, mc, gmc_link);
}
if (one_ok)
*cred_handle = (gss_cred_id_t)cred;
} else {
gssapi_mech_interface m;
SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
m = mc->gmc_mech;
if (m == NULL)
return GSS_S_BAD_MECH;
if (m->gm_set_cred_option == NULL)
continue;
major_status = m->gm_set_cred_option(minor_status,
&mc->gmc_cred, object, value);
if (major_status == GSS_S_BAD_MECH)
one_ok = 1;
}
}
if (one_ok) {
*minor_status = 0;