#include <stdarg.h>
#include "k5-int.h"
krb5_error_code
KRB5_CALLCONV
krb5_build_principal_va(krb5_context context, krb5_principal princ, unsigned int rlen, const char *realm, va_list ap)
{
register int i, count = 0;
register char *next;
char *tmpdata;
krb5_data *data;
count = 2;
data = (krb5_data *) malloc(sizeof(krb5_data) * count);
if (data == 0)
return ENOMEM;
krb5_princ_set_realm_length(context, princ, rlen);
tmpdata = malloc(rlen);
if (!tmpdata) {
free (data);
return ENOMEM;
}
krb5_princ_set_realm_data(context, princ, tmpdata);
memcpy(tmpdata, realm, rlen);
for (i = 0, next = va_arg(ap, char *);
next;
next = va_arg(ap, char *), i++) {
if (i == count) {
krb5_data *p_tmp;
p_tmp = (krb5_data *) realloc((char *)data,
sizeof(krb5_data)*(count*2));
if (!p_tmp) {
free_out:
while (--i >= 0)
krb5_xfree(data[i].data);
krb5_xfree(data);
krb5_xfree(tmpdata);
return (ENOMEM);
}
count *= 2;
data = p_tmp;
}
data[i].length = strlen(next);
data[i].data = strdup(next);
if (!data[i].data)
goto free_out;
}
princ->data = data;
princ->length = i;
princ->type = KRB5_NT_UNKNOWN;
princ->magic = KV5M_PRINCIPAL;
return 0;
}
krb5_error_code KRB5_CALLCONV_C
krb5_build_principal(krb5_context context, krb5_principal * princ,
unsigned int rlen,
const char * realm, ...)
{
va_list ap;
krb5_error_code retval;
krb5_principal pr_ret = (krb5_principal)malloc(sizeof(krb5_principal_data));
if (!pr_ret)
return ENOMEM;
va_start(ap, realm);
retval = krb5_build_principal_va(context, pr_ret, rlen, realm, ap);
va_end(ap);
if (retval == 0)
*princ = pr_ret;
return retval;
}