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/* ISC license. */
#include <sys/types.h>
#include <errno.h>
#include <bearssl.h>
#include <skalibs/stralloc.h>
#include <s6-networking/sbearssl.h>
int sbearssl_ta_cert (sbearssl_ta *ta, sbearssl_cert const *cert, char const *certstorage, stralloc *tastorage)
{
br_x509_decoder_context ctx ;
sbearssl_ta tta = { .dn = tastorage->len, .flags = 0 } ;
struct sbearssl_strallocerr_s blah = { .sa = tastorage } ;
size_t tastoragebase = tastorage->len ;
int tastoragewasnull = !tastorage->s ;
br_x509_pkey bpk ;
int r ;
br_x509_decoder_init(&ctx, &sbearssl_append, &blah) ;
br_x509_decoder_push(&ctx, certstorage + cert->data, cert->datalen) ;
if (blah->err)
{
r = -1 ;
errno = blah->err ;
goto fail ;
}
bpk = br_x509_decoder_get_pkey(&ctx) ;
if (!bpk)
{
r = br_x509_decoder_last_error(&ctx) ;
goto fail ;
}
tta.dnlen = tastorage->len - tastoragebase ;
if (br_x509_decoder_isCA(&ctx)) tta.flags |= BR_X509_TA_CA ;
if (!sbearssl_pkey_from(&tta.pkey, bpk, tastorage)) goto fail ;
*ta = tta ;
return 0 ;
fail:
if (tastoragewasnull) stralloc_free(tastorage) ;
else tastorage->len = tastoragebase ;
return r ;
}
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