static const struct gensec_security_ops *gensec_security_by_name(struct gensec_security *gensec_security,
const char *name)
{
int i;
struct gensec_security_ops **backends;
const struct gensec_security_ops *backend;
TALLOC_CTX *mem_ctx = talloc_new(gensec_security);
if (!mem_ctx) {
return NULL;
}
backends = gensec_security_mechs(gensec_security, mem_ctx);
for (i=0; backends && backends[i]; i++) {
if (gensec_security != NULL &&
!gensec_security_ops_enabled(backends[i], gensec_security))
continue;
if (backends[i]->name
&& (strcmp(backends[i]->name, name) == 0)) {
backend = backends[i];
talloc_free(mem_ctx);
return backend;
}
}
talloc_free(mem_ctx);
return NULL;
}
const struct gensec_security_ops *gensec_security_by_oid(struct gensec_security *gensec_security,
const char *oid_string)
{
int i, j;
struct gensec_security_ops **backends;
const struct gensec_security_ops *backend;
TALLOC_CTX *mem_ctx = talloc_new(gensec_security);
if (!mem_ctx) {
return NULL;
}
backends = gensec_security_mechs(gensec_security, mem_ctx);
for (i=0; backends && backends[i]; i++) {
if (gensec_security != NULL &&
!gensec_security_ops_enabled(backends[i],
gensec_security))
continue;
if (backends[i]->oid) {
for (j=0; backends[i]->oid[j]; j++) {
if (backends[i]->oid[j] &&
(strcmp(backends[i]->oid[j], oid_string) == 0)) {
backend = backends[i];
talloc_free(mem_ctx);
return backend;
}
}
}
}
talloc_free(mem_ctx);
return NULL;
}
static const struct gensec_security_ops *gensec_security_by_authtype(struct gensec_security *gensec_security,
uint8_t auth_type)
{
int i;
struct gensec_security_ops **backends;
const struct gensec_security_ops *backend;
TALLOC_CTX *mem_ctx = talloc_new(gensec_security);
if (!mem_ctx) {
return NULL;
}
backends = gensec_security_mechs(gensec_security, mem_ctx);
for (i=0; backends && backends[i]; i++) {
if (backends[i]->auth_type == auth_type) {
backend = backends[i];
talloc_free(mem_ctx);
return backend;
}
}
talloc_free(mem_ctx);
return NULL;
}
const struct gensec_security_ops *gensec_security_by_sasl_name(struct gensec_security *gensec_security,
const char *sasl_name)
{
int i;
struct gensec_security_ops **backends;
const struct gensec_security_ops *backend;
TALLOC_CTX *mem_ctx = talloc_new(gensec_security);
if (!mem_ctx) {
return NULL;
}
backends = gensec_security_mechs(gensec_security, mem_ctx);
for (i=0; backends && backends[i]; i++) {
if (backends[i]->sasl_name
&& (strcmp(backends[i]->sasl_name, sasl_name) == 0)) {
backend = backends[i];
talloc_free(mem_ctx);
return backend;
}
}
talloc_free(mem_ctx);
return NULL;
}
const struct gensec_security_ops_wrapper *gensec_security_by_oid_list(struct gensec_security *gensec_security,
TALLOC_CTX *mem_ctx,
const char **oid_strings,
const char *skip)
{
struct gensec_security_ops_wrapper *backends_out;
struct gensec_security_ops **backends;
int i, j, k, oid_idx;
int num_backends_out = 0;
if (!oid_strings) {
return NULL;
}
backends = gensec_security_mechs(gensec_security, gensec_security);
backends_out = talloc_array(mem_ctx, struct gensec_security_ops_wrapper, 1);
if (!backends_out) {
return NULL;
}
backends_out[0].op = NULL;
backends_out[0].oid = NULL;
/* Find backends in our preferred order, by walking our list,
* then looking in the supplied list */
for (i=0; backends && backends[i]; i++) {
if (gensec_security != NULL &&
!gensec_security_ops_enabled(backends[i], gensec_security))
continue;
if (!backends[i]->oid) {
continue;
}
for (oid_idx = 0; oid_strings[oid_idx]; oid_idx++) {
if (strcmp(oid_strings[oid_idx], skip) == 0) {
continue;
}
for (j=0; backends[i]->oid[j]; j++) {
if (!backends[i]->oid[j] ||
!(strcmp(backends[i]->oid[j],
oid_strings[oid_idx]) == 0)) {
continue;
}
for (k=0; backends_out[k].op; k++) {
if (backends_out[k].op == backends[i]) {
break;
}
}
if (k < num_backends_out) {
/* already in there */
continue;
}
backends_out = talloc_realloc(mem_ctx, backends_out,
struct gensec_security_ops_wrapper,
num_backends_out + 2);
if (!backends_out) {
return NULL;
}
backends_out[num_backends_out].op = backends[i];
backends_out[num_backends_out].oid = backends[i]->oid[j];
num_backends_out++;
backends_out[num_backends_out].op = NULL;
backends_out[num_backends_out].oid = NULL;
}
}
}
return backends_out;
}
