const char * KRB5_CALLCONV
krb5_cc_default_name(krb5_context context)
{
krb5_os_context os_ctx;
char *profstr, *envstr;
if (!context || context->magic != KV5M_CONTEXT)
return NULL;
os_ctx = &context->os_context;
if (os_ctx->default_ccname != NULL)
return os_ctx->default_ccname;
/* Try the environment variable first. */
envstr = getenv(KRB5_ENV_CCNAME);
if (envstr != NULL) {
os_ctx->default_ccname = strdup(envstr);
return os_ctx->default_ccname;
}
if (profile_get_string(context->profile, KRB5_CONF_LIBDEFAULTS,
KRB5_CONF_DEFAULT_CCACHE_NAME, NULL, NULL,
&profstr) == 0 && profstr != NULL) {
(void)k5_expand_path_tokens(context, profstr, &os_ctx->default_ccname);
profile_release_string(profstr);
return os_ctx->default_ccname;
}
/* Fall back on the default ccache name for the OS. */
get_from_os(context);
return os_ctx->default_ccname;
}
const char * KRB5_CALLCONV
krb5_cc_default_name(krb5_context context)
{
krb5_error_code err = 0;
krb5_os_context os_ctx = NULL;
if (!context || context->magic != KV5M_CONTEXT) { err = KV5M_CONTEXT; }
if (!err) {
os_ctx = &context->os_context;
if (os_ctx->default_ccname == NULL) {
/* Default ccache name has not been set yet */
char *new_ccname = NULL;
char new_ccbuf[1024];
/* try the environment variable first */
new_ccname = getenv(KRB5_ENV_CCNAME);
if (new_ccname == NULL) {
/* fall back on the default ccache name for the OS */
new_ccname = new_ccbuf;
err = get_from_os (new_ccbuf, sizeof (new_ccbuf));
}
if (!err) {
err = krb5_cc_set_default_name (context, new_ccname);
}
}
}
return err ? NULL : os_ctx->default_ccname;
}
/*
* caller must free name
*/
krb5_error_code
krb5int_cc_os_default_name(krb5_context context, char **name)
{
krb5_error_code retval = 0;
char *tmpname = NULL;
*name = NULL;
tmpname = malloc(BUFSIZ);
if (tmpname == NULL)
return ENOMEM;
retval = get_from_os(tmpname, BUFSIZ);
*name = tmpname;
return retval;
}
