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gssapi: import mechglue allocation utility functions from Heimdal-520

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Apple's Heimdal impelmentation uses a number of utility functions for
allocating names and credentials, to avoid calling malloc or calloc directly.
Import them.
This commit is contained in:
Luke Howard
2019-01-03 10:17:26 +11:00
committed by Nico Williams
parent e0bb9c10ca
commit 83f15553e0
22 changed files with 163 additions and 86 deletions
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19
lib/gssapi/mech/gss_canonicalize_name.c
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@@ -70,6 +70,8 @@ gss_canonicalize_name(OM_uint32 *minor_status,
major_status = _gss_find_mn(minor_status, name, mech_type, &mn);
if (major_status)
return major_status;
if (mn == NULL)
return GSS_S_BAD_NAME;
m = mn->gmn_mech;
major_status = m->gm_canonicalize_name(minor_status,
@@ -83,27 +85,12 @@ gss_canonicalize_name(OM_uint32 *minor_status,
* Now we make a new name and mark it as an MN.
*/
*minor_status = 0;
name = malloc(sizeof(struct _gss_name));
name = _gss_create_name(new_canonical_name, m);
if (!name) {
m->gm_release_name(minor_status, &new_canonical_name);
*minor_status = ENOMEM;
return (GSS_S_FAILURE);
}
memset(name, 0, sizeof(struct _gss_name));
mn = malloc(sizeof(struct _gss_mechanism_name));
if (!mn) {
m->gm_release_name(minor_status, &new_canonical_name);
free(name);
*minor_status = ENOMEM;
return (GSS_S_FAILURE);
}
HEIM_SLIST_INIT(&name->gn_mn);
mn->gmn_mech = m;
mn->gmn_mech_oid = &m->gm_mech_oid;
mn->gmn_name = new_canonical_name;
HEIM_SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
*output_name = (gss_name_t) name;