1 files changed, 22 insertions, 0 deletions
diff --git a/src/sbearssl/sbearssl_ta_from.c b/src/sbearssl/sbearssl_ta_from.c
new file mode 100644
index 0000000..d044c27
--- /dev/null
+++ b/src/sbearssl/sbearssl_ta_from.c
@@ -0,0 +1,22 @@
+/* ISC license. */
+
+#include <sys/types.h>
+#include <bearssl.h>
+#include <skalibs/stralloc.h>
+#include <s6-networking/sbearssl.h>
+
+int sbearssl_ta_from (sbearssl_ta *l, br_x509_trust_anchor const *k, stralloc *sa)
+{
+  size_t sabase = sa->len ;
+  int sawasnull = !sa->s ;
+  sbearssl_ta ta = { .dn = sa->len, .dnlen = k->dn_len, .flags = k.flags } ;
+  if (!stralloc_catb(sa, k->dn, k->dn_len)) return 0 ;
+  if (!sbearssl_pkey_from(&ta.pkey, &k->pkey, sa)) goto fail ;
+  *l = ta ;
+  return 1 ;
+
+ fail:
+  if (sawasnull) stralloc_free(sa) ;
+  else sa->len = sabase ;
+  return 0 ;
+}