1 files changed, 36 insertions, 0 deletions
diff --git a/src/sbearssl/sbearssl_pem_decode_from_string.c b/src/sbearssl/sbearssl_pem_decode_from_string.c
new file mode 100644
index 0000000..efcb431
--- /dev/null
+++ b/src/sbearssl/sbearssl_pem_decode_from_string.c
@@ -0,0 +1,36 @@
+/* ISC license. */
+
+#include <sys/types.h>
+#include <errno.h>
+#include <bearssl.h>
+#include <skalibs/error.h>
+#include <skalibs/stralloc.h>
+#include <skalibs/genalloc.h>
+#include <s6-networking/sbearssl.h>
+#include "sbearssl-internal.h"
+
+int sbearssl_pem_decode_from_string (char const *s, size_t len, genalloc *list, stralloc *sa)
+{
+  br_pem_decoder_context ctx ;
+  sbearssl_pemobject po ;
+  sbearssl_strallocerr blah = { .sa = sa, .err = 0 } ;
+  size_t listbase = genalloc_len(sbearssl_pemobject, list) ;
+  size_t sabase = sa->len ;
+  int listwasnull = !genalloc_s(sbearssl_pemobject, list) ;
+  int sawasnull = !sa->s ;
+  int inobj = 0 ;
+  int r ;
+
+  br_pem_decoder_init(&ctx) ;
+  r = sbearssl_pem_push(&ctx, s, len, &po, list, &blah, &inobj) ;
+  if (r) goto fail ;
+  if (!inobj) return 0 ;
+ 
+  errno = EPROTO ;
+ fail:
+  if (listwasnull) genalloc_free(sbearssl_pemobject, list) ;
+  else genalloc_setlen(sbearssl_pemobject, list, listbase) ;
+  if (sawasnull) stralloc_free(sa) ;
+  else sa->len = sabase ;
+  return r ;
+}