Branch data Line data Source code
1 : : /* saslname.c --- Implementation of the SASL GS2 interfaces.
2 : : * Copyright (C) 2010 Simon Josefsson
3 : : *
4 : : * This file is part of the Generic Security Service (GSS).
5 : : *
6 : : * GSS is free software; you can redistribute it and/or modify it
7 : : * under the terms of the GNU General Public License as published by
8 : : * the Free Software Foundation; either version 3 of the License, or
9 : : * (at your option) any later version.
10 : : *
11 : : * GSS is distributed in the hope that it will be useful, but WITHOUT
12 : : * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 : : * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
14 : : * License for more details.
15 : : *
16 : : * You should have received a copy of the GNU General Public License
17 : : * along with GSS; if not, see http://www.gnu.org/licenses or write to
18 : : * the Free Software Foundation, Inc., 51 Franklin Street, Fifth
19 : : * Floor, Boston, MA 02110-1301, USA.
20 : : *
21 : : */
22 : :
23 : : #include "internal.h"
24 : :
25 : : /* _gss_find_mech* */
26 : : #include "meta.h"
27 : :
28 : : static OM_uint32
29 : 12 : dup_data (OM_uint32 * minor_status,
30 : : gss_buffer_t out, const char *str, int translate)
31 : : {
32 [ + + ]: 12 : if (!out)
33 : 9 : return GSS_S_COMPLETE;
34 : :
35 [ + + ]: 3 : if (translate)
36 : 1 : out->value = strdup (_(str));
37 : : else
38 : 2 : out->value = strdup (str);
39 [ - + ]: 3 : if (!out->value)
40 : : {
41 [ # # ]: 0 : if (minor_status)
42 : 0 : *minor_status = ENOMEM;
43 : 0 : return GSS_S_FAILURE;
44 : : }
45 : 3 : out->length = strlen (str);
46 : :
47 : 12 : return GSS_S_COMPLETE;
48 : : }
49 : :
50 : : /**
51 : : * gss_inquire_saslname_for_mech:
52 : : * @minor_status: (Integer, modify) Mechanism specific status code.
53 : : * @desired_mech: (OID, read) Identifies the GSS-API mechanism to query.
54 : : * @sasl_mech_name: (buffer, character-string, modify, optional)
55 : : * Buffer to receive SASL mechanism name. The application must free
56 : : * storage associated with this name after use with a call to
57 : : * gss_release_buffer().
58 : : * @mech_name: (buffer, character-string, modify, optional) Buffer to
59 : : * receive human readable mechanism name. The application must free
60 : : * storage associated with this name after use with a call to
61 : : * gss_release_buffer().
62 : : * @mech_description: (buffer, character-string, modify, optional)
63 : : * Buffer to receive description of mechanism. The application must
64 : : * free storage associated with this name after use with a call to
65 : : * gss_release_buffer().
66 : : *
67 : : * Output the SASL mechanism name of a GSS-API mechanism. It also
68 : : * returns a name and description of the mechanism in a user friendly
69 : : * form.
70 : : *
71 : : * Returns:
72 : : *
73 : : * `GSS_S_COMPLETE`: Successful completion.
74 : : *
75 : : * `GSS_S_BAD_MECH`: The @desired_mech OID is unsupported.
76 : : **/
77 : : OM_uint32
78 : 6 : gss_inquire_saslname_for_mech (OM_uint32 * minor_status,
79 : : const gss_OID desired_mech,
80 : : gss_buffer_t sasl_mech_name,
81 : : gss_buffer_t mech_name,
82 : : gss_buffer_t mech_description)
83 : : {
84 : : _gss_mech_api_t m;
85 : :
86 [ + + ]: 6 : if (!desired_mech)
87 : : {
88 [ + - ]: 1 : if (minor_status)
89 : 1 : *minor_status = 0;
90 : 1 : return GSS_S_CALL_INACCESSIBLE_READ;
91 : : }
92 : :
93 : 5 : m = _gss_find_mech_no_default (desired_mech);
94 [ + + ]: 5 : if (!m)
95 : : {
96 [ + - ]: 1 : if (minor_status)
97 : 1 : *minor_status = 0;
98 : 1 : return GSS_S_BAD_MECH;
99 : : }
100 : :
101 : 4 : bindtextdomain (PACKAGE PO_SUFFIX, LOCALEDIR);
102 : :
103 [ - + ]: 4 : if (dup_data (minor_status, sasl_mech_name,
104 : : m->sasl_name, 0) != GSS_S_COMPLETE)
105 : 0 : return GSS_S_FAILURE;
106 [ - + ]: 4 : if (dup_data (minor_status, mech_name, m->mech_name, 0) != GSS_S_COMPLETE)
107 : : {
108 [ # # ]: 0 : if (sasl_mech_name)
109 : 0 : free (sasl_mech_name->value);
110 : 0 : return GSS_S_FAILURE;
111 : : }
112 [ - + ]: 4 : if (dup_data (minor_status, mech_description,
113 : : m->mech_description, 1) != GSS_S_COMPLETE)
114 : : {
115 [ # # ]: 0 : if (sasl_mech_name)
116 : 0 : free (sasl_mech_name->value);
117 [ # # ]: 0 : if (mech_name)
118 : 0 : free (mech_name->value);
119 : 0 : return GSS_S_FAILURE;
120 : : }
121 : :
122 : 6 : return GSS_S_COMPLETE;
123 : : }
124 : :
125 : : /**
126 : : * gss_inquire_mech_for_saslname:
127 : : * @minor_status: (Integer, modify) Mechanism specific status code.
128 : : * @sasl_mech_name: (buffer, character-string, read) Buffer with SASL
129 : : * mechanism name.
130 : : * @mech_type: (OID, modify, optional) Actual mechanism used. The OID
131 : : * returned via this parameter will be a pointer to static storage
132 : : * that should be treated as read-only; In particular the
133 : : * application should not attempt to free it. Specify NULL if not
134 : : * required.
135 : : *
136 : : * Output GSS-API mechanism OID of mechanism associated with given
137 : : * @sasl_mech_name.
138 : : *
139 : : * Returns:
140 : : *
141 : : * `GSS_S_COMPLETE`: Successful completion.
142 : : *
143 : : * `GSS_S_BAD_MECH`: There is no GSS-API mechanism known as @sasl_mech_name.
144 : : **/
145 : : OM_uint32
146 : 4 : gss_inquire_mech_for_saslname (OM_uint32 * minor_status,
147 : : const gss_buffer_t sasl_mech_name,
148 : : gss_OID * mech_type)
149 : : {
150 : : _gss_mech_api_t m;
151 : :
152 [ + + ]: 4 : if (!sasl_mech_name)
153 : : {
154 [ + - ]: 1 : if (minor_status)
155 : 1 : *minor_status = 0;
156 : 1 : return GSS_S_CALL_INACCESSIBLE_READ;
157 : : }
158 : :
159 : 3 : m = _gss_find_mech_by_saslname (sasl_mech_name);
160 [ + + ]: 3 : if (!m)
161 : : {
162 [ + - ]: 1 : if (minor_status)
163 : 1 : *minor_status = 0;
164 : 1 : return GSS_S_BAD_MECH;
165 : : }
166 : :
167 [ + + ]: 2 : if (mech_type)
168 : 1 : *mech_type = m->mech;
169 : :
170 : 4 : return GSS_S_COMPLETE;
171 : : }
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