gsasl  2.2.1
anonymous/server.c
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1 /* server.c --- ANONYMOUS mechanism as defined in RFC 2245, server side.
2  * Copyright (C) 2002-2024 Simon Josefsson
3  *
4  * This file is part of GNU SASL Library.
5  *
6  * GNU SASL Library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public License
8  * as published by the Free Software Foundation; either version 2.1 of
9  * the License, or (at your option) any later version.
10  *
11  * GNU SASL Library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with GNU SASL Library; if not, write to the Free
18  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #include <config.h>
24 
25 /* Get specification. */
26 #include "anonymous.h"
27 
28 int
30  void *mech_data _GL_UNUSED,
31  const char *input, size_t input_len,
32  char **output, size_t *output_len)
33 {
34  int rc;
35 
36  *output = NULL;
37  *output_len = 0;
38 
39  if (!input)
40  return GSASL_NEEDS_MORE;
41 
42  /* token = 1*255TCHAR
43  The <token> production is restricted to 255 UTF-8 encoded Unicode
44  characters. As the encoding of a characters uses a sequence of 1
45  to 4 octets, a token may be long as 1020 octets. */
46  if (input_len == 0 || input_len > 1020)
48 
49  /* FIXME: Validate that input is UTF-8. */
50 
51  rc = gsasl_property_set_raw (sctx, GSASL_ANONYMOUS_TOKEN, input, input_len);
52  if (rc != GSASL_OK)
53  return rc;
54 
55  return gsasl_callback (NULL, sctx, GSASL_VALIDATE_ANONYMOUS);
56 }
int _gsasl_anonymous_server_step(Gsasl_session *sctx, void *mech_data _GL_UNUSED, const char *input, size_t input_len, char **output, size_t *output_len)
int gsasl_callback(Gsasl *ctx, Gsasl_session *sctx, Gsasl_property prop)
Definition: callback.c:71
int rc
Definition: error.c:37
@ GSASL_OK
Definition: gsasl.h:129
@ GSASL_NEEDS_MORE
Definition: gsasl.h:130
@ GSASL_MECHANISM_PARSE_ERROR
Definition: gsasl.h:137
_GSASL_API int gsasl_property_set_raw(Gsasl_session *sctx, Gsasl_property prop, const char *data, size_t len)
Definition: property.c:218
@ GSASL_VALIDATE_ANONYMOUS
Definition: gsasl.h:255
@ GSASL_ANONYMOUS_TOKEN
Definition: gsasl.h:227