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/* ISC license. */
#include <unistd.h>
#include <stdlib.h>
#include <tls.h>
#include <skalibs/buffer.h>
#include <s6-networking/stls.h>
int stls_send_environment (struct tls *ctx, int fd)
{
char const *name = tls_conn_servername(ctx) ;
char buf[4096] ;
buffer b = BUFFER_INIT(&buffer_write, fd, buf, 4096) ;
if (buffer_puts(&b, "SSL_PROTOCOL=") < 0
|| buffer_puts(&b, tls_conn_version(ctx)) < 0
|| buffer_put(&b, "", 1) < 0
|| buffer_puts(&b, "SSL_CIPHER=") < 0
|| buffer_puts(&b, tls_conn_cipher(ctx)) < 0
|| buffer_put(&b, "", 1) < 0
|| buffer_puts(&b, "SSL_TLS_SNI_SERVERNAME") < 0)
return 0 ;
if (name && name[0])
{
if (buffer_put(&b, "=", 1) < 0
|| buffer_puts(&b, name) < 0)
return 0 ;
}
if (buffer_putflush(&b, "\0", 2) < 0) return 0 ;
return 1 ;
}
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