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More guessing.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4068 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1997-11-29 04:11:57 +00:00
parent a54776623b
commit b657667fa3
1 changed files with 39 additions and 25 deletions
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64
lib/krb5/get_default_principal.c
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@@ -40,37 +40,51 @@
RCSID("$Id$");
static char *
get_logname(void)
{
char *p;
if((p = getenv("USER")))
return p;
if((p = getenv("LOGNAME")))
return p;
#if defined(HAVE_GETLOGIN) && !defined(POSIX_GETLOGIN)
if((p = getlogin()))
return p;
#endif
return NULL;
}
krb5_error_code
krb5_get_default_principal (krb5_context context,
krb5_principal *princ)
{
krb5_error_code ret;
struct passwd *pw;
char *p;
krb5_ccache id;
p = getenv ("USER");
if (p) {
ret = krb5_parse_name (context, p, princ);
if (ret)
return ret;
} else {
struct passwd *pw;
char *realm;
pw = getpwuid (getuid ());
if (pw == NULL)
return ENOTTY;
ret = krb5_get_default_realm (context, &realm);
if (ret)
return ret;
ret = krb5_build_principal (context,
princ,
strlen(realm),
realm,
pw->pw_name,
NULL);
free (realm);
if (ret)
return ret;
ret = krb5_cc_default(context, &id);
if(ret == 0){
ret = krb5_cc_get_principal(context, id, princ);
krb5_cc_close(context, id);
if(ret == 0)
return 0;
}
return 0;
pw = getpwuid(getuid());
if(pw == NULL){
p = get_logname();
if(p == NULL)
return ENOTTY;
ret = krb5_make_principal(context, princ, NULL, p, NULL);
}else{
if(strcmp(pw->pw_name, "root") == 0){
p = get_logname();
ret = krb5_make_principal(context, princ, NULL, pw->pw_name,
"root", NULL);
}else
ret = krb5_make_principal(context, princ, NULL, pw->pw_name, NULL);
}
return ret;
}