xref: /freebsd/crypto/heimdal/lib/gssapi/ntlm/import_name.c (revision 43a5ec4eb41567cc92586503212743d89686d78f)
1 /*
2  * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan
3  * (Royal Institute of Technology, Stockholm, Sweden).
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of the Institute nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #include "ntlm.h"
35 
36 OM_uint32 GSSAPI_CALLCONV
37 _gss_ntlm_import_name
38            (OM_uint32 * minor_status,
39             const gss_buffer_t input_name_buffer,
40             const gss_OID input_name_type,
41             gss_name_t * output_name
42            )
43 {
44     char *name, *p, *p2;
45     int is_hostnamed;
46     int is_username;
47     ntlm_name n;
48 
49     *minor_status = 0;
50 
51     if (output_name == NULL)
52 	return GSS_S_CALL_INACCESSIBLE_WRITE;
53 
54     *output_name = GSS_C_NO_NAME;
55 
56     is_hostnamed = gss_oid_equal(input_name_type, GSS_C_NT_HOSTBASED_SERVICE);
57     is_username = gss_oid_equal(input_name_type, GSS_C_NT_USER_NAME);
58 
59     if (!is_hostnamed && !is_username)
60 	return GSS_S_BAD_NAMETYPE;
61 
62     name = malloc(input_name_buffer->length + 1);
63     if (name == NULL) {
64 	*minor_status = ENOMEM;
65 	return GSS_S_FAILURE;
66     }
67     memcpy(name, input_name_buffer->value, input_name_buffer->length);
68     name[input_name_buffer->length] = '\0';
69 
70     /* find "domain" part of the name and uppercase it */
71     p = strchr(name, '@');
72     if (p == NULL) {
73         free(name);
74 	return GSS_S_BAD_NAME;
75     }
76     p[0] = '\0';
77     p++;
78     p2 = strchr(p, '.');
79     if (p2 && p2[1] != '\0') {
80 	if (is_hostnamed) {
81 	    p = p2 + 1;
82 	    p2 = strchr(p, '.');
83 	}
84 	if (p2)
85 	    *p2 = '\0';
86     }
87     strupr(p);
88 
89     n = calloc(1, sizeof(*n));
90     if (n == NULL) {
91 	free(name);
92 	*minor_status = ENOMEM;
93 	return GSS_S_FAILURE;
94     }
95 
96     n->user = strdup(name);
97     n->domain = strdup(p);
98 
99     free(name);
100 
101     if (n->user == NULL || n->domain == NULL) {
102 	free(n->user);
103 	free(n->domain);
104 	free(n);
105 	*minor_status = ENOMEM;
106 	return GSS_S_FAILURE;
107     }
108 
109     *output_name = (gss_name_t)n;
110 
111     return GSS_S_COMPLETE;
112 }
113