package/uhttpd/src/uhttpd-tls.c

   1 /*
   2  * uhttpd - Tiny single-threaded httpd - TLS helper
   3  *
   4  *   Copyright (C) 2010 Jo-Philipp Wich <xm@subsignal.org>
   5  *
   6  *  Licensed under the Apache License, Version 2.0 (the "License");
   7  *  you may not use this file except in compliance with the License.
   8  *  You may obtain a copy of the License at
   9  *
  10  *      http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  *  Unless required by applicable law or agreed to in writing, software
  13  *  distributed under the License is distributed on an "AS IS" BASIS,
  14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  *  See the License for the specific language governing permissions and
  16  *  limitations under the License.
  17  */
  18
  19 #include "uhttpd.h"
  20 #include "uhttpd-tls.h"
  21 #include "uhttpd-utils.h"
  22
  23
  24 SSL_CTX * uh_tls_ctx_init()
  25 {
  26         SSL_CTX *c = NULL;
  27         SSL_load_error_strings();
  28         SSL_library_init();
  29
  30         if( (c = SSL_CTX_new(TLSv1_server_method())) != NULL )
  31                 SSL_CTX_set_verify(c, SSL_VERIFY_NONE, NULL);
  32
  33         return c;
  34 }
  35
  36 int uh_tls_ctx_cert(SSL_CTX *c, const char *file)
  37 {
  38         return SSL_CTX_use_certificate_file(c, file, SSL_FILETYPE_ASN1);
  39 }
  40
  41 int uh_tls_ctx_key(SSL_CTX *c, const char *file)
  42 {
  43         return SSL_CTX_use_PrivateKey_file(c, file, SSL_FILETYPE_ASN1);
  44 }
  45
  46 void uh_tls_ctx_free(struct listener *l)
  47 {
  48         SSL_CTX_free(l->tls);
  49 }
  50
  51
  52 void uh_tls_client_accept(struct client *c)
  53 {
  54         if( c->server && c->server->tls )
  55         {
  56                 c->tls = SSL_new(c->server->tls);
  57                 SSL_set_fd(c->tls, c->socket);
  58         }
  59 }
  60
  61 int uh_tls_client_recv(struct client *c, void *buf, int len)
  62 {
  63         return SSL_read(c->tls, buf, len);
  64 }
  65
  66 int uh_tls_client_send(struct client *c, void *buf, int len)
  67 {
  68         return SSL_write(c->tls, buf, len);
  69 }
  70
  71 void uh_tls_client_close(struct client *c)
  72 {
  73         if( c->tls )
  74         {
  75                 SSL_shutdown(c->tls);
  76                 SSL_free(c->tls);
  77
  78                 c->tls = NULL;
  79         }
  80 }
  81
  82