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/* $Id$
**
** Implementation of keytab handling for the wallet client.
**
** Written by Russ Allbery <rra@stanford.edu>
** Copyright 2007 Board of Trustees, Leland Stanford Jr. University
**
** See README for licensing terms.
*/
#include <config.h>
#include <system.h>
#include <remctl.h>
#include <client/internal.h>
#include <util/util.h>
/*
** Given a remctl object, the name of a keytab object, and a file name, call
** the correct wallet commands to download a keytab and write it to that
** file.
*/
void
get_keytab(struct remctl *r, const char *type, const char *name,
const char *file)
{
const char *command[5];
struct remctl_output *output;
char *data = NULL;
size_t length = 0;
int status = 255;
/* Run the command on the wallet server */
command[0] = type;
command[1] = "get";
command[2] = "keytab";
command[3] = name;
command[4] = NULL;
if (!remctl_command(r, command))
die("%s", remctl_error(r));
/* Retrieve the results. */
do {
output = remctl_output(r);
switch (output->type) {
case REMCTL_OUT_OUTPUT:
if (output->stream == 1) {
data = xrealloc(data, length + output->length);
memcpy(data + length, output->data, output->length);
length += output->length;
} else {
fprintf(stderr, "wallet: ");
fwrite(output->data, 1, output->length, stderr);
}
break;
case REMCTL_OUT_STATUS:
status = output->status;
break;
case REMCTL_OUT_ERROR:
fprintf(stderr, "wallet: ");
fwrite(output->data, 1, output->length, stderr);
fputc('\n', stderr);
exit(255);
case REMCTL_OUT_DONE:
break;
}
} while (output->type != REMCTL_OUT_DONE);
if (status != 0)
exit(status);
/* Okay, we now have the valid keytab data in data. Write it out. */
write_file(file, data, length);
}
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