Add NCONF_get_section_names()

[thirdparty/openssl.git] / crypto / conf / conf_lib.c

diff --git a/crypto/conf/conf_lib.c b/crypto/conf/conf_lib.c
index 99a33765adec9e85376ee9402201704cf933bd83..b07d075b23b994a1505525514d14bc51edc4eb02 100644 (file)
--- a/crypto/conf/conf_lib.c
+++ b/crypto/conf/conf_lib.c
@@ -215,6 +215,38 @@ void NCONF_free_data(CONF *conf)
     conf->meth->destroy_data(conf);
 }
 
+OSSL_LIB_CTX *NCONF_get0_libctx(const CONF *conf)
+{
+    return conf->libctx;
+}
+
+typedef STACK_OF(OPENSSL_CSTRING) SECTION_NAMES;
+
+IMPLEMENT_LHASH_DOALL_ARG_CONST(CONF_VALUE, SECTION_NAMES);
+
+static void collect_section_name(const CONF_VALUE *v, SECTION_NAMES *names)
+{
+    /* A section is a CONF_VALUE with name == NULL */
+    if (v->name == NULL)
+        sk_OPENSSL_CSTRING_push(names, v->section);
+}
+
+static int section_name_cmp(OPENSSL_CSTRING const *a, OPENSSL_CSTRING const *b)
+{
+    return strcmp(*a, *b);
+}
+
+STACK_OF(OPENSSL_CSTRING) *NCONF_get_section_names(const CONF *cnf)
+{
+    SECTION_NAMES *names;
+
+    if ((names = sk_OPENSSL_CSTRING_new(section_name_cmp)) == NULL)
+        return NULL;
+    lh_CONF_VALUE_doall_SECTION_NAMES(cnf->data, collect_section_name, names);
+    sk_OPENSSL_CSTRING_sort(names);
+    return names;
+}
+
 int NCONF_load(CONF *conf, const char *file, long *eline)
 {
     if (conf == NULL) {