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Plug some memory leaks.

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This commit is contained in:
thorpej 2001-03-08 04:12:08 +00:00
parent 33ee74b742
commit bda8951f6b
1 changed files with 77 additions and 58 deletions
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135
crypto/dist/heimdal/lib/gssapi/acquire_cred.c vendored
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@ -33,7 +33,7 @@
#include "gssapi_locl.h"
RCSID("$Id: acquire_cred.c,v 1.4 2001/02/11 14:13:11 assar Exp $");
RCSID("$Id: acquire_cred.c,v 1.5 2001/03/08 04:12:08 thorpej Exp $");
OM_uint32 gss_acquire_cred
(OM_uint32 * minor_status,
@ -48,95 +48,114 @@ OM_uint32 gss_acquire_cred
{
gss_cred_id_t handle;
OM_uint32 ret;
krb5_principal def_princ;
krb5_error_code kret = 0;
krb5_ccache ccache;
krb5_error_code pret = -1, kret = 0;
krb5_keytab kt;
krb5_creds cred;
krb5_get_init_creds_opt opt;
handle = (gss_cred_id_t)malloc(sizeof(*handle));
if (handle == GSS_C_NO_CREDENTIAL) {
if (handle == GSS_C_NO_CREDENTIAL)
return GSS_S_FAILURE;
}
memset(handle, 0, sizeof (*handle));
ret = gss_duplicate_name(minor_status, desired_name, &handle->principal);
if (ret) {
free(handle);
return ret;
}
if (krb5_cc_default(gssapi_krb5_context, &ccache) == 0 &&
(pret = krb5_cc_get_principal(gssapi_krb5_context, ccache,
&def_princ)) == 0 &&
krb5_principal_compare(gssapi_krb5_context, handle->principal,
def_princ) == TRUE) {
if (krb5_cc_default(gssapi_krb5_context, &ccache) == 0) {
krb5_principal def_princ;
if (krb5_cc_get_principal(gssapi_krb5_context, ccache,
&def_princ) != 0) {
krb5_cc_close(gssapi_krb5_context, ccache);
goto try_keytab;
}
if (krb5_principal_compare(gssapi_krb5_context, handle->principal,
def_princ) == FALSE) {
krb5_free_principal(gssapi_krb5_context, def_princ);
krb5_cc_close(gssapi_krb5_context, ccache);
goto try_keytab;
}
handle->ccache = ccache;
handle->keytab = NULL;
krb5_free_principal(gssapi_krb5_context, def_princ);
} else {
kret = krb5_kt_default(gssapi_krb5_context, &kt);
krb5_creds cred;
krb5_get_init_creds_opt opt;
try_keytab:
kret = krb5_kt_default(gssapi_krb5_context, &handle->keytab);
if (kret != 0)
goto out;
goto krb5_bad;
krb5_get_init_creds_opt_init(&opt);
memset(&cred, 0, sizeof(cred));
kret = krb5_get_init_creds_keytab(gssapi_krb5_context, &cred,
handle->principal, kt, 0, NULL, &opt);
if (kret != 0) {
krb5_kt_close(gssapi_krb5_context, kt);
goto out;
}
kret = krb5_cc_gen_new(gssapi_krb5_context, &krb5_mcc_ops, &ccache);
if (kret != 0) {
krb5_kt_close(gssapi_krb5_context, kt);
goto out;
}
kret = krb5_cc_initialize(gssapi_krb5_context, ccache, cred.client);
if (kret != 0) {
krb5_kt_close(gssapi_krb5_context, kt);
krb5_cc_close(gssapi_krb5_context, ccache);
goto out;
}
kret = krb5_cc_store_cred(gssapi_krb5_context, ccache, &cred);
if (kret != 0) {
krb5_kt_close(gssapi_krb5_context, kt);
krb5_cc_close(gssapi_krb5_context, ccache);
goto out;
}
handle->ccache = ccache;
handle->keytab = kt;
}
kret = krb5_get_init_creds_keytab(gssapi_krb5_context, &cred,
handle->principal, handle->keytab,
0, NULL, &opt);
if (kret != 0)
goto krb5_bad;
kret = krb5_cc_gen_new(gssapi_krb5_context, &krb5_mcc_ops,
&handle->ccache);
if (kret != 0) {
krb5_free_creds_contents(gssapi_krb5_context, &cred);
goto krb5_bad;
}
kret = krb5_cc_initialize(gssapi_krb5_context, handle->ccache,
cred.client);
if (kret != 0) {
krb5_free_creds_contents(gssapi_krb5_context, &cred);
goto krb5_bad;
}
kret = krb5_cc_store_cred(gssapi_krb5_context, handle->ccache, &cred);
if (kret != 0) {
krb5_free_creds_contents(gssapi_krb5_context, &cred);
goto krb5_bad;
}
krb5_free_creds_contents(gssapi_krb5_context, &cred);
}
/* XXX */
handle->lifetime = time_req;
handle->usage = cred_usage;
ret = gss_create_empty_oid_set(minor_status, &handle->mechanisms);
if (ret) {
return ret;
}
if (ret)
goto gssapi_bad;
ret = gss_add_oid_set_member(minor_status, GSS_KRB5_MECHANISM,
&handle->mechanisms);
if (ret) {
return ret;
}
if (ret)
goto gssapi_bad;
ret = gss_inquire_cred(minor_status, handle, NULL, time_rec, NULL,
actual_mechs);
if (ret) {
return ret;
}
if (ret)
goto gssapi_bad;
*output_cred_handle = handle;
return (GSS_S_COMPLETE);
out:
if (pret == 0)
krb5_free_principal(gssapi_krb5_context, def_princ);
krb5_bad:
ret = GSS_S_FAILURE;
*minor_status = kret;
if (kret != 0) {
*minor_status = kret;
return GSS_S_FAILURE;
}
gssapi_bad:
krb5_free_principal(gssapi_krb5_context, handle->principal);
if (handle->ccache != NULL)
krb5_cc_close(gssapi_krb5_context, handle->ccache);
if (handle->keytab != NULL)
krb5_kt_close(gssapi_krb5_context, handle->keytab);
if (handle->mechanisms != NULL)
gss_release_oid_set(NULL, &handle->mechanisms);
return GSS_S_COMPLETE;
free(handle);
return (ret);
}