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Check for duplicates, already loaded mechs

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This commit is contained in:
Love Hornquist Astrand
2009-12-14 17:16:59 -08:00
parent 986aff5a86
commit a740ee89bc
1 changed files with 26 additions and 6 deletions
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32
lib/gssapi/mech/gss_mech_switch.c
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@@ -190,7 +190,8 @@ add_builtin(gssapi_mech_interface mech)
if (m->gm_mech.gm_inquire_names_for_mech) {
(*m->gm_mech.gm_inquire_names_for_mech)(&minor_status,
&m->gm_mech.gm_mech_oid, &m->gm_name_types);
} else {
}
if (m->gm_name_types == NULL) {
gss_create_empty_oid_set(&minor_status, &m->gm_name_types);
}
@@ -211,6 +212,8 @@ _gss_load_mech(void)
char *name, *oid, *lib, *kobj;
struct _gss_mech_switch *m;
void *so;
gss_OID_desc mech_oid;
int found;
HEIMDAL_MUTEX_lock(&_gss_mech_mutex);
@@ -253,6 +256,23 @@ _gss_load_mech(void)
if (!name || !oid || !lib || !kobj)
continue;
if (_gss_string_to_oid(oid, &mech_oid))
continue;
/*
* Check for duplicates, already loaded mechs.
*/
found = 0;
SLIST_FOREACH(m, &_gss_mechs, gm_link) {
if (gss_oid_equal(&m->gm_mech.gm_mech_oid, &mech_oid)) {
found = 1;
free(mech_oid.elements);
break;
}
}
if (found)
continue;
#ifndef RTLD_LOCAL
#define RTLD_LOCAL 0
#endif
@@ -260,17 +280,17 @@ _gss_load_mech(void)
so = dlopen(lib, RTLD_LAZY | RTLD_LOCAL);
if (!so) {
/* fprintf(stderr, "dlopen: %s\n", dlerror()); */
free(mech_oid.elements);
continue;
}
m = malloc(sizeof(*m));
if (!m)
if (!m) {
free(mech_oid.elements);
break;
m->gm_so = so;
if (_gss_string_to_oid(oid, &m->gm_mech.gm_mech_oid)) {
free(m);
continue;
}
m->gm_so = so;
m->gm_mech.gm_mech_oid = mech_oid;
m->gm_mech.gm_flags = 0;
major_status = gss_add_oid_set_member(&minor_status,