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/* $Id$
**
** The client program for the wallet system.
**
** Written by Russ Allbery <rra@stanford.edu>
** Copyright 2006, 2007 Board of Trustees, Leland Stanford Jr. University
**
** See README for licensing terms.
*/
#include <config.h>
#include <system.h>
#include <errno.h>
#include <fcntl.h>
#include <remctl.h>
#include <client/internal.h>
#include <util/util.h>
/* Usage message. */
static const char usage_message[] = "\
Usage: wallet [options] <command> <type> <name> [<arg> ...]\n\
wallet [options] acl <command> <id> [<arg> ...]\n\
\n\
Options:\n\
-c <command> Command prefix to use (default: wallet)\n\
-f <output> For the get command, output file (default: stdout)\n\
-k <principal> Kerberos principal of the server\n\
-h Display this help\n\
-p <port> Port of server (default: 4444)\n\
-S <srvtab> For the get keytab command, srvtab output file\n\
-s <server> Server hostname (default: " SERVER "\n\
-v Display the version of wallet\n";
/*
** Display the usage message for remctl.
*/
static void
usage(int status)
{
fprintf((status == 0) ? stdout : stderr, "%s", usage_message);
exit(status);
}
/*
** Main routine. Parse the arguments and then perform the desired
** operation.
*/
int
main(int argc, char *argv[])
{
int option, fd;
ssize_t status;
const char **command;
struct remctl_result *result;
const char *type = "wallet";
const char *server = SERVER;
const char *principal = NULL;
unsigned short port = PORT;
const char *file = NULL;
const char *srvtab = NULL;
int i;
long tmp;
char *end;
/* Set up logging and identity. */
message_program_name = "wallet";
while ((option = getopt(argc, argv, "c:f:k:hp:S:s:v")) != EOF) {
switch (option) {
case 'c':
type = optarg;
break;
case 'f':
file = optarg;
break;
case 'k':
principal = optarg;
break;
case 'h':
usage(0);
break;
case 'p':
errno = 0;
tmp = strtol(optarg, &end, 10);
if (tmp <= 0 || tmp > 65535 || *end != '\0')
die("invalid port number %s", optarg);
port = tmp;
break;
case 'S':
srvtab = optarg;
break;
case 's':
server = optarg;
break;
case 'v':
printf("%s\n", PACKAGE_STRING);
exit(0);
break;
default:
usage(1);
break;
}
}
argc -= optind;
argv += optind;
if (argc < 3)
usage(1);
/* -f is only supported for get and -S with get keytab. */
if (file != NULL && strcmp(argv[0], "get") != 0)
die("-f only supported for get");
if (srvtab != NULL) {
if (strcmp(argv[0], "get") != 0 || strcmp(argv[1], "keytab") != 0)
die("-S only supported for get keytab");
if (file == NULL)
die("-S option requires -f also be used");
}
/* Allocate space for the command to send to the server. */
command = xmalloc(sizeof(char *) * (argc + 2));
command[0] = type;
for (i = 0; i < argc; i++)
command[i + 1] = argv[i];
command[argc + 1] = NULL;
/* Run the command. */
result = remctl(server, port, principal, command);
if (result == NULL)
sysdie("cannot allocate memory");
free(command);
/* Display the results. */
if (result->error != NULL) {
fprintf(stderr, "wallet: %s\n", result->error);
} else if (result->stderr_len > 0) {
fprintf(stderr, "wallet: ");
fwrite(result->stderr_buf, 1, result->stderr_len, stderr);
} else if (file != NULL && strcmp(command[1], "get") == 0) {
write_file(file, result->stdout_buf, result->stdout_len);
if (srvtab != NULL)
write_srvtab(srvtab, command[3], file);
} else {
fwrite(result->stdout_buf, 1, result->stdout_len, stdout);
}
exit(result->status);
}
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