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#include "kuser_locl.h"
static char *etypestr = 0;
static char *ccachestr = 0;
static char *flagstr = 0;
static int exp_only = 0;
static int quiet_flag = 0;
static int help_flag = 0;
static int version_flag = 0;
struct getargs args[] = {
{ "cache", 'c', arg_string, &ccachestr,
"Credentials cache", "cachename" },
{ "enctype", 'e', arg_string, &etypestr,
"Encryption type", "enctype" },
{ "flags", 'f', arg_string, &flagstr,
"Flags", "flags" },
{ "expired-only", 'E', arg_flag, &exp_only,
"Delete only expired tickets" },
{ "quiet", 'q', arg_flag, &quiet_flag, "Quiet" },
{ "version", 0, arg_flag, &version_flag },
{ "help", 0, arg_flag, &help_flag }
};
static void
usage(int ret)
{
arg_printusage(args, sizeof(args)/sizeof(args[0]),
"Usage: ", "service1 [service2 ...]");
exit(ret);
}
static void do_kdeltkt (int argc, char *argv[], char *ccachestr, char *etypestr, int flags);
int main(int argc, char *argv[])
{
int optidx = 0;
int flags = 0;
setprogname(argv[0]);
if (getarg(args, sizeof(args)/sizeof(args[0]), argc, argv, &optidx))
usage (1);
if (help_flag)
usage(0);
if (version_flag) {
print_version(NULL);
exit(0);
}
argc -= optidx;
argv += optidx;
if (argc < 1)
usage (1);
if (flagstr)
flags = atoi(flagstr);
do_kdeltkt(argc, argv, ccachestr, etypestr, flags);
return 0;
}
static void do_kdeltkt (int count, char *names[],
char *ccachestr, char *etypestr, int flags)
{
krb5_context context;
krb5_error_code ret;
int i, errors;
krb5_enctype etype;
krb5_ccache ccache;
krb5_principal me;
krb5_creds in_creds, out_creds;
int retflags;
char *princ;
ret = krb5_init_context(&context);
if (ret)
errx(1, "krb5_init_context failed: %d", ret);
if (etypestr) {
ret = krb5_string_to_enctype(context, etypestr, &etype);
if (ret)
krb5_err(context, 1, ret, "Can't convert enctype %s", etypestr);
retflags = KRB5_TC_MATCH_SRV_NAMEONLY | KRB5_TC_MATCH_KEYTYPE;
} else {
etype = 0;
retflags = KRB5_TC_MATCH_SRV_NAMEONLY;
}
if (ccachestr)
ret = krb5_cc_resolve(context, ccachestr, &ccache);
else
ret = krb5_cc_default(context, &ccache);
if (ret)
krb5_err(context, 1, ret, "Can't open credentials cache");
ret = krb5_cc_get_principal(context, ccache, &me);
if (ret)
krb5_err(context, 1, ret, "Can't get client principal");
errors = 0;
for (i = 0; i < count; i++) {
memset(&in_creds, 0, sizeof(in_creds));
in_creds.client = me;
ret = krb5_parse_name(context, names[i], &in_creds.server);
if (ret) {
if (!quiet_flag)
krb5_warn(context, ret, "Can't parse principal name %s", names[i]);
errors++;
continue;
}
ret = krb5_unparse_name(context, in_creds.server, &princ);
if (ret) {
krb5_warn(context, ret, "Can't unparse principal name %s", names[i]);
errors++;
continue;
}
in_creds.session.keytype = etype;
if (exp_only) {
krb5_timeofday(context, &in_creds.times.endtime);
retflags |= KRB5_TC_MATCH_TIMES;
}
ret = krb5_cc_retrieve_cred(context, ccache, retflags,
&in_creds, &out_creds);
if (ret) {
krb5_warn(context, ret, "Can't retrieve credentials for %s", princ);
krb5_free_unparsed_name(context, princ);
errors++;
continue;
}
ret = krb5_cc_remove_cred(context, ccache, flags, &out_creds);
krb5_free_principal(context, in_creds.server);
if (ret) {
krb5_warn(context, ret, "Can't remove credentials for %s", princ);
krb5_free_cred_contents(context, &out_creds);
krb5_free_unparsed_name(context, princ);
errors++;
continue;
}
krb5_free_unparsed_name(context, princ);
krb5_free_cred_contents(context, &out_creds);
}
krb5_free_principal(context, me);
krb5_cc_close(context, ccache);
krb5_free_context(context);
if (errors)
exit(1);
exit(0);
}
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