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117 lines
2.2 KiB
C
117 lines
2.2 KiB
C
/*
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* uhttpd - Tiny single-threaded httpd - TLS helper
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*
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* Copyright (C) 2010 Jo-Philipp Wich <xm@subsignal.org>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "uhttpd.h"
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#include "uhttpd-tls.h"
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#include "uhttpd-utils.h"
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SSL_CTX * uh_tls_ctx_init()
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{
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SSL_CTX *c;
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SSL_load_error_strings();
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SSL_library_init();
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if( (c = SSL_CTX_new(TLSv1_server_method())) != NULL )
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SSL_CTX_set_verify(c, SSL_VERIFY_NONE, NULL);
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return c;
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}
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int uh_tls_ctx_cert(SSL_CTX *c, const char *file)
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{
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int rv;
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if( (rv = SSL_CTX_use_certificate_file(c, file, SSL_FILETYPE_PEM)) < 1 )
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rv = SSL_CTX_use_certificate_file(c, file, SSL_FILETYPE_ASN1);
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return rv;
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}
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int uh_tls_ctx_key(SSL_CTX *c, const char *file)
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{
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int rv;
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if( (rv = SSL_CTX_use_PrivateKey_file(c, file, SSL_FILETYPE_PEM)) < 1 )
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rv = SSL_CTX_use_PrivateKey_file(c, file, SSL_FILETYPE_ASN1);
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return rv;
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}
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void uh_tls_ctx_free(struct listener *l)
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{
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SSL_CTX_free(l->tls);
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}
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int uh_tls_client_accept(struct client *c)
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{
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int rv;
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if( c->server && c->server->tls )
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{
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c->tls = SSL_new(c->server->tls);
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if( c->tls )
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{
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if( (rv = SSL_set_fd(c->tls, c->socket)) < 1 )
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goto cleanup;
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if( (rv = SSL_accept(c->tls)) < 1 )
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goto cleanup;
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}
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else
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rv = 0;
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}
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else
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{
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c->tls = NULL;
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rv = 1;
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}
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done:
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return rv;
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cleanup:
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SSL_free(c->tls);
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c->tls = NULL;
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goto done;
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}
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int uh_tls_client_recv(struct client *c, void *buf, int len)
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{
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int rv = SSL_read(c->tls, buf, len);
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return (rv > 0) ? rv : -1;
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}
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int uh_tls_client_send(struct client *c, void *buf, int len)
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{
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int rv = SSL_write(c->tls, buf, len);
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return (rv > 0) ? rv : -1;
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}
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void uh_tls_client_close(struct client *c)
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{
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if( c->tls )
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{
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SSL_shutdown(c->tls);
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SSL_free(c->tls);
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c->tls = NULL;
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}
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}
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