1 files changed, 42 insertions, 0 deletions
diff --git a/src/sbearssl/sbearssl_sni_policy_add_keypair_file.c b/src/sbearssl/sbearssl_sni_policy_add_keypair_file.c
new file mode 100644
index 0000000..e6cc974
--- /dev/null
+++ b/src/sbearssl/sbearssl_sni_policy_add_keypair_file.c
@@ -0,0 +1,42 @@
+/* ISC license. */
+
+#include <string.h>
+#include <errno.h>
+
+#include <bearssl.h>
+
+#include <skalibs/stralloc.h>
+#include <skalibs/genalloc.h>
+#include <skalibs/avltree.h>
+
+#include <s6-networking/sbearssl.h>
+#include "sbearssl-internal.h"
+
+int sbearssl_sni_policy_add_keypair_file (sbearssl_sni_policy_context *pol, char const *servername, char const *certfile, char const *keyfile)
+{
+  size_t sabase = pol->storage.len ;
+  size_t gabase = genalloc_len(sbearssl_cert, &pol->certga) ;
+  size_t mbase = genalloc_len(sbearssl_sni_policy_node, &pol->mapga) ;
+  sbearssl_sni_policy_node node = { .servername = sabase, .chainindex = gabase } ;
+
+  if (!stralloc_catb(&pol->storage, servername, strlen(servername) + 1)) return 0 ;
+  if (!sbearssl_cert_readbigpem(certfile, &pol->certga, &pol->storage)) goto err0 ;
+  node.chainlen = genalloc_len(sbearssl_cert, &pol->certga) - node.chainindex ;
+  if (!sbearssl_skey_readfile(keyfile, &node.skey, &pol->storage)) goto err1 ;
+  if (!genalloc_catb(sbearssl_sni_policy_node, &pol->mapga, &node, 1)) goto err2 ;
+  if (!avltree_insert(&pol->map, mbase)) goto err3 ;
+  return 1 ;
+
+ err3:
+  if (mbase) genalloc_setlen(sbearssl_sni_policy_node, &pol->mapga, mbase) ;
+  else genalloc_free(sbearssl_sni_policy_node, &pol->mapga) ;
+ err2:
+  sbearssl_skey_wipe(&pol->skey, pol->storage.s) ;
+ err1:
+  if (gabase) genalloc_setlen(sbearssl_cert, &pol->certga, gabase) ;
+  else genalloc_free(sbearssl_sni_policy_node, &pol->mapga) ;
+ err0:
+  if (sabase) pol->storage.len = sabase ;
+  else stralloc_free(pol->storage) ;
+  return 0 ;
+}