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3 * (Royal Institute of Technology, Stockholm, Sweden).
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34 #include "gsskrb5_locl.h"
37 parse_krb5_name (OM_uint32 *minor_status,
40 gss_name_t *output_name)
45 kerr = krb5_parse_name (context, name, &princ);
48 *output_name = (gss_name_t)princ;
49 return GSS_S_COMPLETE;
53 if (kerr == KRB5_PARSE_ILLCHAR || kerr == KRB5_PARSE_MALFORMED)
54 return GSS_S_BAD_NAME;
60 import_krb5_name (OM_uint32 *minor_status,
62 const gss_buffer_t input_name_buffer,
63 gss_name_t *output_name)
68 tmp = malloc (input_name_buffer->length + 1);
70 *minor_status = ENOMEM;
74 input_name_buffer->value,
75 input_name_buffer->length);
76 tmp[input_name_buffer->length] = '\0';
78 ret = parse_krb5_name(minor_status, context, tmp, output_name);
85 _gsskrb5_canon_name(OM_uint32 *minor_status, krb5_context context,
86 int use_dns, krb5_const_principal sourcename, gss_name_t targetname,
89 krb5_principal p = (krb5_principal)targetname;
91 char *hostname = NULL, *service;
95 /* If its not a hostname */
96 if (krb5_principal_get_type(context, p) != MAGIC_HOSTBASED_NAME_TYPE) {
97 ret = krb5_copy_principal(context, p, out);
98 } else if (!use_dns) {
99 ret = krb5_copy_principal(context, p, out);
102 krb5_principal_set_type(context, *out, KRB5_NT_SRV_HST);
104 ret = krb5_principal_set_realm(context, *out, sourcename->realm);
106 if (p->name.name_string.len == 0)
107 return GSS_S_BAD_NAME;
108 else if (p->name.name_string.len > 1)
109 hostname = p->name.name_string.val[1];
111 service = p->name.name_string.val[0];
113 ret = krb5_sname_to_principal(context,
123 return GSS_S_FAILURE;
131 import_hostbased_name (OM_uint32 *minor_status,
132 krb5_context context,
133 const gss_buffer_t input_name_buffer,
134 gss_name_t *output_name)
136 krb5_principal princ = NULL;
137 krb5_error_code kerr;
138 char *tmp, *p, *host = NULL;
140 tmp = malloc (input_name_buffer->length + 1);
142 *minor_status = ENOMEM;
143 return GSS_S_FAILURE;
146 input_name_buffer->value,
147 input_name_buffer->length);
148 tmp[input_name_buffer->length] = '\0';
150 p = strchr (tmp, '@');
156 kerr = krb5_make_principal(context, &princ, NULL, tmp, host, NULL);
158 *minor_status = kerr;
159 if (kerr == KRB5_PARSE_ILLCHAR || kerr == KRB5_PARSE_MALFORMED)
160 return GSS_S_BAD_NAME;
162 return GSS_S_FAILURE;
164 krb5_principal_set_type(context, princ, MAGIC_HOSTBASED_NAME_TYPE);
165 *output_name = (gss_name_t)princ;
171 import_export_name (OM_uint32 *minor_status,
172 krb5_context context,
173 const gss_buffer_t input_name_buffer,
174 gss_name_t *output_name)
181 if (input_name_buffer->length < 10 + GSS_KRB5_MECHANISM->length)
182 return GSS_S_BAD_NAME;
184 /* TOK, MECH_OID_LEN, DER(MECH_OID), NAME_LEN, NAME */
186 p = input_name_buffer->value;
188 if (memcmp(&p[0], "\x04\x01\x00", 3) != 0 ||
189 p[3] != GSS_KRB5_MECHANISM->length + 2 ||
191 p[5] != GSS_KRB5_MECHANISM->length ||
192 memcmp(&p[6], GSS_KRB5_MECHANISM->elements,
193 GSS_KRB5_MECHANISM->length) != 0)
194 return GSS_S_BAD_NAME;
196 p += 6 + GSS_KRB5_MECHANISM->length;
198 length = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3];
201 if (length > input_name_buffer->length - 10 - GSS_KRB5_MECHANISM->length)
202 return GSS_S_BAD_NAME;
204 name = malloc(length + 1);
206 *minor_status = ENOMEM;
207 return GSS_S_FAILURE;
209 memcpy(name, p, length);
212 ret = parse_krb5_name(minor_status, context, name, output_name);
218 OM_uint32 GSSAPI_CALLCONV _gsskrb5_import_name
219 (OM_uint32 * minor_status,
220 const gss_buffer_t input_name_buffer,
221 const gss_OID input_name_type,
222 gss_name_t * output_name
225 krb5_context context;
228 *output_name = GSS_C_NO_NAME;
230 GSSAPI_KRB5_INIT (&context);
232 if (gss_oid_equal(input_name_type, GSS_C_NT_HOSTBASED_SERVICE) ||
233 gss_oid_equal(input_name_type, GSS_C_NT_HOSTBASED_SERVICE_X))
234 return import_hostbased_name (minor_status,
238 else if (input_name_type == GSS_C_NO_OID
239 || gss_oid_equal(input_name_type, GSS_C_NT_USER_NAME)
240 || gss_oid_equal(input_name_type, GSS_KRB5_NT_PRINCIPAL_NAME))
241 /* default printable syntax */
242 return import_krb5_name (minor_status,
246 else if (gss_oid_equal(input_name_type, GSS_C_NT_EXPORT_NAME)) {
247 return import_export_name(minor_status,
253 return GSS_S_BAD_NAMETYPE;