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gss: implement gss_krb5_ccache_name()

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Correctly implement gss_krb5_ccache_name() in terms of
gss_set_sec_context_option(GSS_KRB5_CCACHE_NAME_X). The previous implementation
was a NOOP.

Note: global ccache name should really be thread-specific rather than global.

Closes #803.
This commit is contained in:
Luke Howard
2021-09-06 13:22:53 +10:00
parent 971648b71e
commit fc9f9b322a
4 changed files with 52 additions and 38 deletions
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32
lib/gssapi/mech/gss_krb5.c
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@@ -487,26 +487,42 @@ gss_krb5_ccache_name(OM_uint32 *minor_status,
{
struct _gss_mech_switch *m;
gss_buffer_desc buffer = GSS_C_EMPTY_BUFFER;
OM_uint32 junk;
OM_uint32 major_status;
struct gsskrb5_ccache_name_args args;
_gss_load_mech();
*minor_status = 0;
if (out_name)
*out_name = NULL;
buffer.value = rk_UNCONST(name);
if (name) {
buffer.length = strlen(name);
}
args.name = name;
args.out_name = NULL;
buffer.value = &args;
buffer.length = sizeof(args);
major_status = GSS_S_UNAVAILABLE;
HEIM_TAILQ_FOREACH(m, &_gss_mechs, gm_link) {
OM_uint32 mech_major, mech_minor;
if (m->gm_mech.gm_set_sec_context_option == NULL)
continue;
m->gm_mech.gm_set_sec_context_option(&junk, NULL,
GSS_KRB5_CCACHE_NAME_X, &buffer);
mech_major = m->gm_mech.gm_set_sec_context_option(&mech_minor,
NULL, GSS_KRB5_CCACHE_NAME_X, &buffer);
if (mech_major != GSS_S_UNAVAILABLE) {
major_status = mech_major;
*minor_status = mech_minor;
break;
}
}
return (GSS_S_COMPLETE);
*out_name = args.out_name;
return major_status;
}