/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */

/* tests/gssapi/t_oid.c - Test OID manipulation functions */

/*

 * Copyright (C) 2012 by the Massachusetts Institute of Technology.

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * * Redistributions of source code must retain the above copyright

 *   notice, this list of conditions and the following disclaimer.

 *

 * * Redistributions in binary form must reproduce the above copyright

 *   notice, this list of conditions and the following disclaimer in

 *   the documentation and/or other materials provided with the

 *   distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS

 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE

 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,

 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

 * OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include "common.h"

static struct {

    char *canonical;

    char *variant;

    gss_OID_desc oid;

} tests[] = {

    /* GSS_C_NT_USER_NAME */

    { "{ 1 2 840 113554 1 2 1 1 }", "1.2.840.113554.1.2.1.1",

      { 10, "\x2A\x86\x48\x86\xF7\x12\x01\x02\x01\x01" } },

    /* GSS_C_NT_MACHINE_UID_NAME */

    { "{ 1 2 840 113554 1 2 1 2 }", "1 2 840 113554 1 2 1 2",

      { 10, "\x2A\x86\x48\x86\xF7\x12\x01\x02\x01\x02" } },

    /* GSS_C_NT_STRING_UID_NAME */

    { "{ 1 2 840 113554 1 2 1 3 }", "{1 2 840 113554 1 2 1 3}",

      { 10, "\x2A\x86\x48\x86\xF7\x12\x01\x02\x01\x03" } },

    /* GSS_C_NT_HOSTBASED_SERVICE_X */

    { "{ 1 3 6 1 5 6 2 }", "{  1  3  6  1  5  6  2  }",

      { 6, "\x2B\x06\x01\x05\x06\x02" } },

    /* GSS_C_NT_ANONYMOUS */

    { "{ 1 3 6 1 5 6 3 }", "{ 01 03 06 01 05 06 03 }",

      { 6, "\x2B\x06\x01\x05\x06\x03" } },

    /* GSS_KRB5_NT_PRINCIPAL_NAME */

    { "{ 1 2 840 113554 1 2 2 1 }", " {01 2 840 113554 1 2 2 1  } ",

      { 10, "\x2A\x86\x48\x86\xF7\x12\x01\x02\x02\x01" } },

    /* GSS_KRB5_NT_ENTERPRISE_NAME */

    { "{ 1 2 840 113554 1 2 2 6 }", " {1.2.840.113554.1.2.2.6} ",

      { 10, "\x2A\x86\x48\x86\xF7\x12\x01\x02\x02\x06" } },

    /* gss_krb5_nt_principal */

    { "{ 1 2 840 113554 1 2 2 2 }", "{1.2.840.113554.1.2.2.2}",

      { 10, "\x2A\x86\x48\x86\xF7\x12\x01\x02\x02\x02" } },

    /* gss_mech_krb5 */

    { "{ 1 2 840 113554 1 2 2 }", "{ 1.2.840.113554.1.2.2 }",

      { 9, "\x2A\x86\x48\x86\xF7\x12\x01\x02\x02" } },

    /* gss_mech_krb5_old */

    { "{ 1 3 5 1 5 2 }", "001 . 003 . 005 . 001 . 005 . 002",

      { 5, "\x2B\x05\x01\x05\x02" } },

    /* gss_mech_krb5_wrong */

    { "{ 1 2 840 48018 1 2 2 }", "1.2.840.48018.1.2.2 trailing garbage",

      { 9, "\x2A\x86\x48\x82\xF7\x12\x01\x02\x02" } },

    /* gss_mech_iakerb */

    { "{ 1 3 6 1 5 2 5 }", "{ 1 3 6 1 5 2 5 } trailing garbage",

      { 6, "\x2B\x06\x01\x05\x02\x05" } },

    /* SPNEGO */

    { "{ 1 3 6 1 5 5 2 }", "{1 3 6 1 5 5 2} trailing garbage",

      { 6, "\x2B\x06\x01\x05\x05\x02" } },

    /* Edge cases for the first two arcs */

    { "{ 0 0 }", NULL, { 1, "\x00" } },

    { "{ 0 39 }", NULL, { 1, "\x27" } },

    { "{ 1 0 }", NULL, { 1, "\x28" } },

    { "{ 1 39 }", NULL, { 1, "\x4F" } },

    { "{ 2 0 }", NULL, { 1, "\x50" } },

    { "{ 2 40 }", NULL, { 1, "\x78" } },

    { "{ 2 47 }", NULL, { 1, "\x7F" } },

    { "{ 2 48 }", NULL, { 2, "\x81\x00" } },

    { "{ 2 16304 }", NULL, { 3, "\x81\x80\x00" } },

    /* Zero-valued arcs */

    { "{ 0 0 0 }", NULL, { 2, "\x00\x00" } },

    { "{ 0 0 1 0 }", NULL, { 3, "\x00\x01\x00" } },

    { "{ 0 0 128 0 }", NULL, { 4, "\x00\x81\x00\x00 " } },

    { "{ 0 0 0 1 }", NULL, { 3, "\x00\x00\x01" } },

    { "{ 0 0 128 0 1 0 128 }", NULL,

      { 8, "\x00\x81\x00\x00\x01\x00\x81\x00 " } }

};

static char *invalid_strings[] = {

    "",

    "{}",

    "{",

    "}",

    "  ",

    " { } ",

    "x",

    "+1 1",

    "-1.1",

    "1.+0",

    "+0.1",

    "{ 1 garbage }",

    "{ 1 }",

    "{ 0 40 }",

    "{ 1 40 }",

    "{ 1 128 }",

    "{ 1 1",

    "{ 1 2 3 4 +5 }",

    "{ 1.2.-3.4.5 }"

};

static int

oid_equal(gss_OID o1, gss_OID o2)

{

    return o1->length == o2->length &&

        memcmp(o1->elements, o2->elements, o1->length) == 0;

}

int

main()

{

    size_t i;

    OM_uint32 major, minor;

    gss_buffer_desc buf;

    gss_OID oid;

    gss_OID_set set;

    int status = 0, present;

    for (i = 0; i < sizeof(tests) / sizeof(*tests); i++) {

        /* Check that this test's OID converts to its canonical string form. */

        major = gss_oid_to_str(&minor, &tests[i].oid, &buf;;

        check_gsserr("gss_oid_to_str", major, minor);

        if (buf.length != strlen(tests[i].canonical) + 1 ||

            memcmp(buf.value, tests[i].canonical, buf.length) != 0) {

            status = 1;

            printf("test %d: OID converts to %.*s, wanted %s\n", (int)i,

                   (int)buf.length, (char *)buf.value, tests[i].canonical);

        }

        (void)gss_release_buffer(&minor, &buf;;

        /* Check that this test's canonical string form converts to its OID. */

        buf.value = tests[i].canonical;

        buf.length = strlen(tests[i].canonical);

        major = gss_str_to_oid(&minor, &buf, &oid;;

        check_gsserr("gss_str_to_oid", major, minor);

        if (!oid_equal(oid, &tests[i].oid)) {

            status = 1;

            printf("test %d: %s converts to wrong OID\n", (int)i,

                   tests[i].canonical);

            display_oid("wanted", &tests[i].oid);

            display_oid("actual", oid);

        }

        (void)gss_release_oid(&minor, &oid;;

        /* Check that this test's variant string form converts to its OID. */

        if (tests[i].variant == NULL)

            continue;

        buf.value = tests[i].variant;

        buf.length = strlen(tests[i].variant);

        major = gss_str_to_oid(&minor, &buf, &oid;;

        check_gsserr("gss_str_to_oid", major, minor);

        if (!oid_equal(oid, &tests[i].oid)) {

            status = 1;

            printf("test %d: %s converts to wrong OID\n", (int)i,

                   tests[i].variant);

            display_oid("wanted", &tests[i].oid);

            display_oid("actual", oid);

        }

        (void)gss_release_oid(&minor, &oid;;

    }

    for (i = 0; i < sizeof(invalid_strings) / sizeof(*invalid_strings); i++) {

        buf.value = invalid_strings[i];

        buf.length = strlen(invalid_strings[i]);

        major = gss_str_to_oid(&minor, &buf, &oid;;

        if (major == GSS_S_COMPLETE) {

            status = 1;

            printf("invalid %d: %s converted when it should not have\n",

                   (int)i, invalid_strings[i]);

            (void)gss_release_oid(&minor, &oid;;

        }

    }

    major = gss_create_empty_oid_set(&minor, &set);

    check_gsserr("gss_create_empty_oid_set", major, minor);

    for (i = 0; i < sizeof(tests) / sizeof(*tests); i++) {

        major = gss_add_oid_set_member(&minor, &tests[i].oid, &set);

        check_gsserr("gss_add_oid_set_member", major, minor);

    }

    if (set->count != i) {

        status = 1;

        printf("oid set has wrong size: wanted %d, actual %d\n", (int)i,

               (int)set->count);

    }

    for (i = 0; i < set->count; i++) {

        if (!oid_equal(&set->elements[i], &tests[i].oid)) {

            status = 1;

            printf("oid set has wrong element %d\n", (int)i);

            display_oid("wanted", &tests[i].oid);

            display_oid("actual", &set->elements[i]);

        }

        major = gss_test_oid_set_member(&minor, &tests[i].oid, set, &present);

        check_gsserr("gss_test_oid_set_member", major, minor);

        if (!present) {

            status = 1;

            printf("oid set does not contain OID %d\n", (int)i);

            display_oid("wanted", &tests[i].oid);

        }

    }

    (void)gss_release_oid_set(&minor, &set);

    return status;

}