2 * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
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34 #include "krb5_locl.h"
37 * Try to find out what's a reasonable default principal.
43 const char *user
= getenv("USER");
45 user
= getenv("LOGNAME");
47 user
= getenv("USERNAME");
54 * Will only use operating-system dependant operation to get the
55 * default principal, for use of functions that in ccache layer to
56 * avoid recursive calls.
60 _krb5_get_default_principal_local (krb5_context context
,
61 krb5_principal
*princ
)
73 user
= get_env_user();
74 if(user
!= NULL
&& strcmp(user
, "root") != 0)
75 ret
= krb5_make_principal(context
, princ
, NULL
, user
, "root", NULL
);
77 ret
= krb5_make_principal(context
, princ
, NULL
, "root", NULL
);
79 struct passwd
*pw
= getpwuid(uid
);
83 user
= get_env_user();
88 krb5_set_error_message(context
, ENOTTY
,
89 N_("unable to figure out current "
91 return ENOTTY
; /* XXX */
93 ret
= krb5_make_principal(context
, princ
, NULL
, user
, NULL
);
100 #define SECURITY_WIN32
101 #include <security.h>
104 _krb5_get_default_principal_local(krb5_context context
,
105 krb5_principal
*princ
)
107 krb5_error_code ret
= 0;
109 /* See if we can get the principal first. We only expect this to
110 work if logged into a domain. */
113 ULONG sz
= sizeof(username
);
115 if (GetUserNameEx(NameUserPrincipal
, username
, &sz
)) {
116 return krb5_parse_name_flags(context
, username
,
117 KRB5_PRINCIPAL_PARSE_ENTERPRISE
,
122 /* Just get the Windows username. This should pretty much always
126 DWORD dsz
= sizeof(username
);
128 if (GetUserName(username
, &dsz
)) {
129 return krb5_make_principal(context
, princ
, NULL
, username
, NULL
);
133 /* Failing that, we look at the environment */
135 const char * username
= get_env_user();
137 if (username
== NULL
) {
138 krb5_set_error_string(context
,
139 "unable to figure out current principal");
140 return ENOTTY
; /* Really? */
143 return krb5_make_principal(context
, princ
, NULL
, username
, NULL
);
149 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
150 krb5_get_default_principal (krb5_context context
,
151 krb5_principal
*princ
)
158 ret
= krb5_cc_default (context
, &id
);
160 ret
= krb5_cc_get_principal (context
, id
, princ
);
161 krb5_cc_close (context
, id
);
166 return _krb5_get_default_principal_local(context
, princ
);