#include "krb5/gsskrb5_locl.h"
#include <err.h>
#include <getarg.h>
#include <gssapi.h>
#include <gssapi_krb5.h>
#include <gssapi_spnego.h>
#include <gssapi_ntlm.h>
#include <gssapi_spi.h>
#include "test_common.h"
static char *type_string;
static char *mech_string;
static char *cred_string;
static char *ret_mech_string;
static char *client_name;
static char *password_string;
static int dns_canon_flag = -1;
static int mutual_auth_flag = 0;
static int dce_style_flag = 0;
static int wrapunwrap_flag = 0;
static int iov_flag = 0;
static int getverifymic_flag = 0;
static int deleg_flag = 0;
static int policy_deleg_flag = 0;
static int server_no_deleg_flag = 0;
static int import_export_flag = 0;
static int ei_flag = 0;
static char *gsskrb5_acceptor_identity = NULL;
static char *session_enctype_string = NULL;
static char *gsschannel_appl_data = NULL;
static int client_time_offset = 0;
static int server_time_offset = 0;
static int max_loops = 0;
static char *limit_enctype_string = NULL;
static int version_flag = 0;
static int homedir_flag = 1;
static int verbose_flag = 0;
static int help_flag = 0;
static krb5_context context;
static krb5_enctype limit_enctype = 0;
static void
loop(gss_OID mechoid,
gss_OID nameoid, const char *target,
gss_cred_id_t init_cred,
gss_channel_bindings_t bindings,
gss_ctx_id_t *sctx, gss_ctx_id_t *cctx,
gss_OID *actual_mech,
gss_cred_id_t *deleg_cred)
{
int server_done = 0, client_done = 0;
int num_loops = 0;
OM_uint32 maj_stat, min_stat;
gss_name_t gss_target_name;
gss_buffer_desc input_token, output_token;
OM_uint32 flags = 0, ret_cflags, ret_sflags;
gss_OID actual_mech_client;
gss_OID actual_mech_server;
*actual_mech = GSS_C_NO_OID;
flags |= GSS_C_INTEG_FLAG;
flags |= GSS_C_CONF_FLAG;
if (mutual_auth_flag)
flags |= GSS_C_MUTUAL_FLAG;
if (dce_style_flag)
flags |= GSS_C_DCE_STYLE;
if (deleg_flag)
flags |= GSS_C_DELEG_FLAG;
if (policy_deleg_flag)
flags |= GSS_C_DELEG_POLICY_FLAG;
input_token.value = rk_UNCONST(target);
input_token.length = strlen(target);
maj_stat = gss_import_name(&min_stat,
&input_token,
nameoid,
&gss_target_name);
if (GSS_ERROR(maj_stat))
err(1, "import name creds failed with: %d", maj_stat);
input_token.length = 0;
input_token.value = NULL;
while (!server_done || !client_done) {
num_loops++;
gsskrb5_set_time_offset(client_time_offset);
maj_stat = gss_init_sec_context(&min_stat,
init_cred,
cctx,
gss_target_name,
mechoid,
flags,
0,
bindings,
&input_token,
&actual_mech_client,
&output_token,
&ret_cflags,
NULL);
if (GSS_ERROR(maj_stat))
errx(1, "init_sec_context: %s",
gssapi_err(maj_stat, min_stat, mechoid));
if (maj_stat & GSS_S_CONTINUE_NEEDED)
;
else
client_done = 1;
gsskrb5_get_time_offset(&client_time_offset);
if (client_done && server_done)
break;
if (input_token.length != 0)
gss_release_buffer(&min_stat, &input_token);
gsskrb5_set_time_offset(server_time_offset);
maj_stat = gss_accept_sec_context(&min_stat,
sctx,
GSS_C_NO_CREDENTIAL,
&output_token,
bindings,
NULL,
&actual_mech_server,
&input_token,
&ret_sflags,
NULL,
deleg_cred);
if (GSS_ERROR(maj_stat))
errx(1, "accept_sec_context: %s",
gssapi_err(maj_stat, min_stat, actual_mech_server));
gsskrb5_get_time_offset(&server_time_offset);
if (output_token.length != 0)
gss_release_buffer(&min_stat, &output_token);
if (maj_stat & GSS_S_CONTINUE_NEEDED)
;
else
server_done = 1;
}
if (output_token.length != 0)
gss_release_buffer(&min_stat, &output_token);
if (input_token.length != 0)
gss_release_buffer(&min_stat, &input_token);
gss_release_name(&min_stat, &gss_target_name);
if (deleg_flag || policy_deleg_flag) {
if (server_no_deleg_flag) {
if (*deleg_cred != GSS_C_NO_CREDENTIAL)
errx(1, "got delegated cred but didn't expect one");
} else if (*deleg_cred == GSS_C_NO_CREDENTIAL)
errx(1, "asked for delegarated cred but did get one");
} else if (*deleg_cred != GSS_C_NO_CREDENTIAL)
errx(1, "got deleg_cred cred but didn't ask");
if (gss_oid_equal(actual_mech_server, actual_mech_client) == 0)
errx(1, "mech mismatch");
*actual_mech = actual_mech_server;
if (!!(ret_sflags & GSS_C_INTEG_FLAG) != !!(ret_cflags & GSS_C_INTEG_FLAG))
errx(1, "client and server doesn't have same idea about INTEG");
if (!!(ret_sflags & GSS_C_CONF_FLAG) != !!(ret_cflags & GSS_C_CONF_FLAG))
errx(1, "client and server doesn't have same idea about CONF");
if (verbose_flag)
printf("client and server agree on CONF/INT\n");
if (max_loops && num_loops > max_loops)
errx(1, "num loops %d was lager then max loops %d",
num_loops, max_loops);
if (verbose_flag) {
printf("server time offset: %d\n", server_time_offset);
printf("client time offset: %d\n", client_time_offset);
printf("num loops %d\n", num_loops);
}
}
static void
wrapunwrap(gss_ctx_id_t cctx, gss_ctx_id_t sctx, int flags, gss_OID mechoid)
{
gss_buffer_desc input_token, output_token, output_token2;
OM_uint32 min_stat, maj_stat;
gss_qop_t qop_state;
int conf_state;
input_token.value = "foo";
input_token.length = 3;
maj_stat = gss_wrap(&min_stat, cctx, flags, 0, &input_token,
&conf_state, &output_token);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_wrap failed: %s",
gssapi_err(maj_stat, min_stat, mechoid));
maj_stat = gss_unwrap(&min_stat, sctx, &output_token,
&output_token2, &conf_state, &qop_state);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_unwrap failed: %s",
gssapi_err(maj_stat, min_stat, mechoid));
gss_release_buffer(&min_stat, &output_token);
gss_release_buffer(&min_stat, &output_token2);
#if 0
if (!!conf_state != !!flags)
errx(1, "conf_state mismatch");
#endif
}
#define USE_CONF 1
#define USE_HEADER_ONLY 2
#define USE_SIGN_ONLY 4
#define FORCE_IOV 8
static void
wrapunwrap_iov(gss_ctx_id_t cctx, gss_ctx_id_t sctx, int flags, gss_OID mechoid)
{
krb5_data token, header, trailer;
OM_uint32 min_stat, maj_stat;
gss_qop_t qop_state;
int conf_state, conf_state2;
gss_iov_buffer_desc iov[6];
unsigned char *p;
int iov_len;
char header_data[9] = "ABCheader";
char trailer_data[10] = "trailerXYZ";
char token_data[16] = "0123456789abcdef";
memset(&iov, 0, sizeof(iov));
if (flags & USE_SIGN_ONLY) {
header.data = header_data;
header.length = 9;
trailer.data = trailer_data;
trailer.length = 10;
} else {
header.data = NULL;
header.length = 0;
trailer.data = NULL;
trailer.length = 0;
}
token.data = token_data;
token.length = 16;
iov_len = sizeof(iov)/sizeof(iov[0]);
memset(iov, 0, sizeof(iov));
iov[0].type = GSS_IOV_BUFFER_TYPE_HEADER | GSS_IOV_BUFFER_TYPE_FLAG_ALLOCATE;
if (header.length != 0) {
iov[1].type = GSS_IOV_BUFFER_TYPE_SIGN_ONLY;
iov[1].buffer.length = header.length;
iov[1].buffer.value = header.data;
} else {
iov[1].type = GSS_IOV_BUFFER_TYPE_EMPTY;
iov[1].buffer.length = 0;
iov[1].buffer.value = NULL;
}
iov[2].type = GSS_IOV_BUFFER_TYPE_DATA;
iov[2].buffer.length = token.length;
iov[2].buffer.value = token.data;
if (trailer.length != 0) {
iov[3].type = GSS_IOV_BUFFER_TYPE_SIGN_ONLY;
iov[3].buffer.length = trailer.length;
iov[3].buffer.value = trailer.data;
} else {
iov[3].type = GSS_IOV_BUFFER_TYPE_EMPTY;
iov[3].buffer.length = 0;
iov[3].buffer.value = NULL;
}
if (dce_style_flag) {
iov[4].type = GSS_IOV_BUFFER_TYPE_EMPTY;
} else {
iov[4].type = GSS_IOV_BUFFER_TYPE_PADDING | GSS_IOV_BUFFER_TYPE_FLAG_ALLOCATE;
}
iov[4].buffer.length = 0;
iov[4].buffer.value = 0;
if (dce_style_flag) {
iov[5].type = GSS_IOV_BUFFER_TYPE_EMPTY;
} else if (flags & USE_HEADER_ONLY) {
iov[5].type = GSS_IOV_BUFFER_TYPE_EMPTY;
} else {
iov[5].type = GSS_IOV_BUFFER_TYPE_TRAILER | GSS_IOV_BUFFER_TYPE_FLAG_ALLOCATE;
}
iov[5].buffer.length = 0;
iov[5].buffer.value = 0;
maj_stat = gss_wrap_iov(&min_stat, cctx, dce_style_flag || flags & USE_CONF, 0, &conf_state,
iov, iov_len);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_wrap_iov failed");
token.length =
iov[0].buffer.length +
iov[1].buffer.length +
iov[2].buffer.length +
iov[3].buffer.length +
iov[4].buffer.length +
iov[5].buffer.length;
token.data = emalloc(token.length);
p = token.data;
memcpy(p, iov[0].buffer.value, iov[0].buffer.length);
p += iov[0].buffer.length;
memcpy(p, iov[1].buffer.value, iov[1].buffer.length);
p += iov[1].buffer.length;
memcpy(p, iov[2].buffer.value, iov[2].buffer.length);
p += iov[2].buffer.length;
memcpy(p, iov[3].buffer.value, iov[3].buffer.length);
p += iov[3].buffer.length;
memcpy(p, iov[4].buffer.value, iov[4].buffer.length);
p += iov[4].buffer.length;
memcpy(p, iov[5].buffer.value, iov[5].buffer.length);
p += iov[5].buffer.length;
assert(p - ((unsigned char *)token.data) == token.length);
if ((flags & (USE_SIGN_ONLY|FORCE_IOV)) == 0) {
gss_buffer_desc input, output;
input.value = token.data;
input.length = token.length;
maj_stat = gss_unwrap(&min_stat, sctx, &input,
&output, &conf_state2, &qop_state);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_unwrap from gss_wrap_iov failed: %s",
gssapi_err(maj_stat, min_stat, mechoid));
gss_release_buffer(&min_stat, &output);
} else {
maj_stat = gss_unwrap_iov(&min_stat, sctx, &conf_state2, &qop_state,
iov, iov_len);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_unwrap_iov failed: %x %s", flags,
gssapi_err(maj_stat, min_stat, mechoid));
}
if (conf_state2 != conf_state)
errx(1, "conf state wrong for iov: %x", flags);
free(token.data);
}
static void
getverifymic(gss_ctx_id_t cctx, gss_ctx_id_t sctx, gss_OID mechoid)
{
gss_buffer_desc input_token, output_token;
OM_uint32 min_stat, maj_stat;
gss_qop_t qop_state;
input_token.value = "bar";
input_token.length = 3;
maj_stat = gss_get_mic(&min_stat, cctx, 0, &input_token,
&output_token);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_get_mic failed: %s",
gssapi_err(maj_stat, min_stat, mechoid));
maj_stat = gss_verify_mic(&min_stat, sctx, &input_token,
&output_token, &qop_state);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_verify_mic failed: %s",
gssapi_err(maj_stat, min_stat, mechoid));
gss_release_buffer(&min_stat, &output_token);
}
static void
empty_release(void)
{
gss_ctx_id_t ctx = GSS_C_NO_CONTEXT;
gss_cred_id_t cred = GSS_C_NO_CREDENTIAL;
gss_name_t name = GSS_C_NO_NAME;
gss_OID_set oidset = GSS_C_NO_OID_SET;
OM_uint32 junk;
gss_delete_sec_context(&junk, &ctx, NULL);
gss_release_cred(&junk, &cred);
gss_release_name(&junk, &name);
gss_release_oid_set(&junk, &oidset);
}
static void
check_inquire_context(gss_ctx_id_t ctx, const char *context_str)
{
OM_uint32 maj_stat, min_stat;
gss_name_t source, target;
maj_stat = gss_inquire_context(&min_stat, ctx, &source, &target,
NULL, NULL, NULL, NULL, NULL);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_inquire_context(%s): %s", context_str,
gssapi_err(maj_stat, min_stat, NULL));
gss_release_name(&min_stat, &source);
gss_release_name(&min_stat, &target);
}
static void
check_export_import_sec_context(gss_ctx_id_t *initiator, gss_ctx_id_t *acceptor, gss_OID mech)
{
OM_uint32 maj_stat, min_stat;
gss_buffer_desc buffer;
maj_stat = gss_export_sec_context(&min_stat, initiator, &buffer);
if (maj_stat != GSS_S_COMPLETE)
gssapi_err(maj_stat, min_stat, mech);
maj_stat = gss_import_sec_context(&min_stat, &buffer, initiator);
if (maj_stat != GSS_S_COMPLETE)
gssapi_err(maj_stat, min_stat, mech);
gss_release_buffer(&min_stat, &buffer);
wrapunwrap(*initiator, *acceptor, 1, mech);
wrapunwrap(*initiator, *acceptor, 0, mech);
maj_stat = gss_export_sec_context(&min_stat, acceptor, &buffer);
if (maj_stat != GSS_S_COMPLETE)
gssapi_err(maj_stat, min_stat, mech);
maj_stat = gss_import_sec_context(&min_stat, &buffer, acceptor);
if (maj_stat != GSS_S_COMPLETE)
gssapi_err(maj_stat, min_stat, mech);
gss_release_buffer(&min_stat, &buffer);
wrapunwrap(*acceptor, *initiator, 0, mech);
wrapunwrap(*acceptor, *initiator, 1, mech);
}
static void
ac_complete(void *ctx, OM_uint32 major, gss_status_id_t status,
gss_cred_id_t cred, gss_OID_set oids, OM_uint32 time_rec)
{
gss_cred_id_t *client_cred = ctx;
OM_uint32 junk;
if (major) {
fprintf(stderr, "error: %d", (int)major);
gss_release_cred(&junk, &cred);
goto out;
}
*client_cred = cred;
out:
gss_release_oid_set(&junk, &oids);
}
static struct getargs args[] = {
{"name-type",0, arg_string, &type_string, "type of name", NULL },
{"mech-type",0, arg_string, &mech_string, "type of mech", NULL },
{"ret-mech-type",0, arg_string, &ret_mech_string,
"type of return mech", NULL },
{"dns-canonicalize",0,arg_negative_flag, &dns_canon_flag,
"use dns to canonicalize", NULL },
{"mutual-auth",0, arg_flag, &mutual_auth_flag,"mutual auth", NULL },
{"cred-type",0, arg_string, &cred_string, "type of cred", NULL },
{"client-name", 0, arg_string, &client_name, "client name", NULL },
{"password", 0, arg_string, &password_string, "password", NULL },
{"limit-enctype",0, arg_string, &limit_enctype_string, "enctype", NULL },
{"dce-style",0, arg_flag, &dce_style_flag, "dce-style", NULL },
{"wrapunwrap",0, arg_flag, &wrapunwrap_flag, "wrap/unwrap", NULL },
{"iov", 0, arg_flag, &iov_flag, "wrap/unwrap iov", NULL },
{"getverifymic",0, arg_flag, &getverifymic_flag,
"get and verify mic", NULL },
{"import-export",0, arg_flag, &import_export_flag,
"test import and export sec context", NULL },
{"delegate",0, arg_flag, &deleg_flag, "delegate credential", NULL },
{"policy-delegate",0, arg_flag, &policy_deleg_flag, "policy delegate credential", NULL },
{"server-no-delegate",0, arg_flag, &server_no_deleg_flag,
"server should get a credential", NULL },
{"export-import-cred",0, arg_flag, &ei_flag, "test export/import cred", NULL },
{"gsskrb5-acceptor-identity", 0, arg_string, &gsskrb5_acceptor_identity, "keytab", NULL },
{"session-enctype", 0, arg_string, &session_enctype_string, "enctype", NULL },
{"client-time-offset", 0, arg_integer, &client_time_offset, "time", NULL },
{"server-time-offset", 0, arg_integer, &server_time_offset, "time", NULL },
{"max-loops", 0, arg_integer, &max_loops, "time", NULL },
{"channel-binding", 0, arg_string, &gsschannel_appl_data, "string", NULL },
{"homedir", 0, arg_negative_flag, &homedir_flag, "don't allow homedir access", NULL },
{"version", 0, arg_flag, &version_flag, "print version", NULL },
{"verbose", 'v', arg_flag, &verbose_flag, "verbose", NULL },
{"help", 0, arg_flag, &help_flag, NULL, NULL }
};
static void
usage (int ret)
{
arg_printusage (args, sizeof(args)/sizeof(*args),
NULL, "service@host");
exit (ret);
}
int
main(int argc, char **argv)
{
int optind = 0;
OM_uint32 min_stat, maj_stat;
gss_ctx_id_t cctx, sctx;
void *ctx;
gss_OID nameoid, mechoid, actual_mech, actual_mech2;
gss_cred_id_t client_cred = GSS_C_NO_CREDENTIAL, deleg_cred = GSS_C_NO_CREDENTIAL;
gss_channel_bindings_t bindings = GSS_C_NO_CHANNEL_BINDINGS;
gss_buffer_desc buffer;
setprogname(argv[0]);
if (krb5_init_context(&context))
errx(1, "krb5_init_context");
cctx = sctx = GSS_C_NO_CONTEXT;
if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optind))
usage(1);
if (help_flag)
usage (0);
if(version_flag){
print_version(NULL);
exit(0);
}
argc -= optind;
argv += optind;
if (argc != 1)
usage(1);
if (!homedir_flag)
krb5_set_home_dir_access(NULL, false);
if (dns_canon_flag != -1)
gsskrb5_set_dns_canonicalize(dns_canon_flag);
if (type_string == NULL)
nameoid = GSS_C_NT_HOSTBASED_SERVICE;
else if (strcmp(type_string, "hostbased-service") == 0)
nameoid = GSS_C_NT_HOSTBASED_SERVICE;
else if (strcmp(type_string, "krb5-principal-name") == 0)
nameoid = GSS_KRB5_NT_PRINCIPAL_NAME;
else if (strcmp(type_string, "krb5-principal-name-referral") == 0)
nameoid = GSS_KRB5_NT_PRINCIPAL_NAME_REFERRAL;
else
errx(1, "%s not suppported", type_string);
if (mech_string == NULL)
mechoid = GSS_KRB5_MECHANISM;
else
mechoid = gss_name_to_oid(mech_string);
if (gsskrb5_acceptor_identity)
gsskrb5_register_acceptor_identity(gsskrb5_acceptor_identity);
if (gsschannel_appl_data) {
if (strlen(gsschannel_appl_data) == 4)
errx(1, "make channelbindings not 4 in length");
bindings = ecalloc(1, sizeof(*bindings));
bindings->application_data.value = gsschannel_appl_data;
bindings->application_data.length = strlen(gsschannel_appl_data);
}
if (client_name) {
gss_buffer_desc cn;
gss_name_t cname;
gss_OID credoid = GSS_C_NO_OID;
if (cred_string)
credoid = gss_name_to_oid(cred_string);
cn.value = client_name;
cn.length = strlen(client_name);
maj_stat = gss_import_name(&min_stat, &cn, GSS_C_NT_USER_NAME, &cname);
if (maj_stat)
errx(1, "gss_import_name: %s",
gssapi_err(maj_stat, min_stat, GSS_C_NO_OID));
if (password_string) {
gss_auth_identity_desc identity;
OM_uint32 major;
char *u, *r;
if (credoid == NULL)
credoid = mechoid;
u = strdup(client_name);
if (u == NULL)
errx(1, "out of memory");
r = strchr(u, '@');
if (r)
*r++ = '\0';
else
r = NULL;
memset(&identity, 0, sizeof(identity));
identity.username = u;
identity.realm = r;
identity.password = password_string;
major = gss_acquire_cred_ex_f(NULL,
cname,
0,
GSS_C_INDEFINITE,
credoid,
GSS_C_INITIATE,
&identity,
&client_cred,
ac_complete);
if (major)
errx(1, "gss_acquire_cred_ex_f: %d", (int)major);
free(u);
} else {
gss_OID_set mechs = GSS_C_NULL_OID_SET;
if (credoid != GSS_C_NO_OID) {
maj_stat = gss_create_empty_oid_set(&min_stat, &mechs);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_create_empty_oid_set: %s",
gssapi_err(maj_stat, min_stat, GSS_C_NO_OID));
maj_stat = gss_add_oid_set_member(&min_stat, credoid, &mechs);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_add_oid_set_member: %s",
gssapi_err(maj_stat, min_stat, GSS_C_NO_OID));
}
maj_stat = gss_acquire_cred(&min_stat, cname, 0, mechs,
GSS_C_INITIATE, &client_cred, NULL, NULL);
if (GSS_ERROR(maj_stat))
errx(1, "gss_import_name: %s",
gssapi_err(maj_stat, min_stat, GSS_C_NO_OID));
if (mechs != GSS_C_NULL_OID_SET)
gss_release_oid_set(&min_stat, &mechs);
}
gss_release_name(&min_stat, &cname);
}
if (client_cred && gss_oid_equal(GSS_IAKERB_MECHANISM, mechoid)) {
gss_buffer_set_t buffers;
gss_name_t tname;
maj_stat = gss_inquire_cred_by_oid(&min_stat, client_cred, GSS_C_NT_UUID, &buffers);
if (maj_stat)
errx(1, "failed to find GSS_C_NT_UUID");
gss_release_cred(&min_stat, &client_cred);
if (buffers->count != 1)
errx(1, "wrong number of buffers for GSS_C_UUID");
maj_stat = gss_import_name(&min_stat, &buffers->elements[0], GSS_C_NT_UUID, &tname);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "import name failed");
maj_stat = gss_acquire_cred(&min_stat, tname, GSS_C_INDEFINITE, NULL, GSS_C_INITIATE, &client_cred, NULL, NULL);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "acquire IAKERB failed");
gss_release_name(&min_stat, &tname);
gss_release_buffer_set(&min_stat, &buffers);
}
if (limit_enctype_string) {
krb5_error_code ret;
ret = krb5_string_to_enctype(context,
limit_enctype_string,
&limit_enctype);
if (ret)
krb5_err(context, 1, ret, "krb5_string_to_enctype");
}
if (limit_enctype) {
if (client_cred == NULL)
errx(1, "client_cred missing");
maj_stat = gss_krb5_set_allowable_enctypes(&min_stat, client_cred,
1, &limit_enctype);
if (maj_stat)
errx(1, "gss_krb5_set_allowable_enctypes: %s",
gssapi_err(maj_stat, min_stat, GSS_C_NO_OID));
}
ctx = GSS_C_NO_CONTEXT;
maj_stat = gss_inquire_context(&min_stat, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL);
if (maj_stat != GSS_S_NO_CONTEXT)
errx(1, "gss_inquire_context didn't fail");
maj_stat = gss_export_sec_context(&min_stat, &cctx, &buffer);
if (maj_stat != GSS_S_NO_CONTEXT)
errx(1, "gss_export_sec_context didn't fail");
maj_stat = gss_export_sec_context(&min_stat, &cctx, NULL);
if (maj_stat != GSS_S_CALL_INACCESSIBLE_READ)
errx(1, "gss_export_sec_context didn't fail");
loop(mechoid, nameoid, argv[0], client_cred, bindings,
&sctx, &cctx, &actual_mech, &deleg_cred);
if (verbose_flag)
printf("resulting mech: %s\n", gss_oid_to_name(actual_mech));
check_inquire_context(sctx, "server");
check_inquire_context(cctx, "client");
if (ret_mech_string) {
gss_OID retoid;
retoid = gss_name_to_oid(ret_mech_string);
if (gss_oid_equal(retoid, actual_mech) == 0)
errx(1, "actual_mech mech is not the expected type %s",
ret_mech_string);
}
if (gss_oid_equal(mechoid, GSS_KRB5_MECHANISM)
|| gss_oid_equal(mechoid, GSS_IAKERB_MECHANISM)
#ifdef PKINIT
|| gss_oid_equal(mechoid, GSS_PKU2U_MECHANISM)
#endif
) {
time_t time;
gss_buffer_desc authz_data;
gss_buffer_desc in, out1, out2;
krb5_keyblock *keyblock, *keyblock2;
krb5_timestamp now;
krb5_error_code ret;
ret = krb5_timeofday(context, &now);
if (ret)
errx(1, "krb5_timeofday failed");
maj_stat = gss_krb5_export_lucid_sec_context(&min_stat,
&cctx,
1,
&ctx);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_krb5_export_lucid_sec_context failed: %s",
gssapi_err(maj_stat, min_stat, actual_mech));
maj_stat = gss_krb5_free_lucid_sec_context(&maj_stat, ctx);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_krb5_free_lucid_sec_context failed: %s",
gssapi_err(maj_stat, min_stat, actual_mech));
maj_stat = gss_krb5_export_lucid_sec_context(&min_stat,
&sctx,
1,
&ctx);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_krb5_export_lucid_sec_context failed: %s",
gssapi_err(maj_stat, min_stat, actual_mech));
maj_stat = gss_krb5_free_lucid_sec_context(&min_stat, ctx);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gss_krb5_free_lucid_sec_context failed: %s",
gssapi_err(maj_stat, min_stat, actual_mech));
maj_stat = gsskrb5_extract_authtime_from_sec_context(&min_stat,
sctx,
&time);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gsskrb5_extract_authtime_from_sec_context failed: %s",
gssapi_err(maj_stat, min_stat, actual_mech));
if (time > now)
errx(1, "gsskrb5_extract_authtime_from_sec_context failed: "
"time authtime is before now: %ld %ld",
(long)time, (long)now);
maj_stat = gsskrb5_extract_service_keyblock(&min_stat,
sctx,
&keyblock);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "gsskrb5_export_service_keyblock failed: %s",
gssapi_err(maj_stat, min_stat, actual_mech));
krb5_free_keyblock(context, keyblock);
maj_stat = gsskrb5_get_subkey(&min_stat,
sctx,
&keyblock);
if (maj_stat != GSS_S_COMPLETE
&& (!(maj_stat == GSS_S_FAILURE && min_stat == GSS_KRB5_S_KG_NO_SUBKEY)))
errx(1, "gsskrb5_get_subkey server failed: %s",
gssapi_err(maj_stat, min_stat, actual_mech));
if (maj_stat != GSS_S_COMPLETE)
keyblock = NULL;
else if (limit_enctype && keyblock->keytype != limit_enctype)
errx(1, "gsskrb5_get_subkey wrong enctype");
maj_stat = gsskrb5_get_subkey(&min_stat,
cctx,
&keyblock2);
if (maj_stat != GSS_S_COMPLETE
&& (!(maj_stat == GSS_S_FAILURE && min_stat == GSS_KRB5_S_KG_NO_SUBKEY)))
errx(1, "gsskrb5_get_subkey client failed: %s",
gssapi_err(maj_stat, min_stat, actual_mech));
if (maj_stat != GSS_S_COMPLETE)
keyblock2 = NULL;
else if (limit_enctype && keyblock2->keytype != limit_enctype)
errx(1, "gsskrb5_get_subkey wrong enctype");
if (keyblock || keyblock2) {
if (keyblock == NULL)
errx(1, "server missing token keyblock");
if (keyblock2 == NULL)
errx(1, "client missing token keyblock");
if (keyblock->keytype != keyblock2->keytype)
errx(1, "enctype mismatch");
if (keyblock->keyvalue.length != keyblock2->keyvalue.length)
errx(1, "key length mismatch");
if (memcmp(keyblock->keyvalue.data, keyblock2->keyvalue.data,
keyblock2->keyvalue.length) != 0)
errx(1, "key data mismatch");
}
if (session_enctype_string) {
krb5_enctype enctype;
if (keyblock == NULL)
errx(1, "expected keyblock, didn't get one");
ret = krb5_string_to_enctype(context,
session_enctype_string,
&enctype);
if (ret)
krb5_err(context, 1, ret, "krb5_string_to_enctype");
if (enctype != keyblock->keytype)
errx(1, "keytype is not the expected %d != %d",
(int)enctype, (int)keyblock2->keytype);
}
if (keyblock)
krb5_free_keyblock(context, keyblock);
if (keyblock2)
krb5_free_keyblock(context, keyblock2);
maj_stat = gsskrb5_get_initiator_subkey(&min_stat,
sctx,
&keyblock);
if (maj_stat != GSS_S_COMPLETE
&& (!(maj_stat == GSS_S_FAILURE && min_stat == GSS_KRB5_S_KG_NO_SUBKEY)))
errx(1, "gsskrb5_get_initiator_subkey failed: %s",
gssapi_err(maj_stat, min_stat, actual_mech));
if (maj_stat == GSS_S_COMPLETE) {
if (limit_enctype && keyblock->keytype != limit_enctype)
errx(1, "gsskrb5_get_initiator_subkey wrong enctype");
krb5_free_keyblock(context, keyblock);
}
maj_stat = gsskrb5_extract_authz_data_from_sec_context(&min_stat,
sctx,
128,
&authz_data);
if (maj_stat == GSS_S_COMPLETE)
gss_release_buffer(&min_stat, &authz_data);
memset(&out1, 0, sizeof(out1));
memset(&out2, 0, sizeof(out2));
in.value = "foo";
in.length = 3;
gss_pseudo_random(&min_stat, sctx, GSS_C_PRF_KEY_FULL, &in,
100, &out1);
gss_pseudo_random(&min_stat, cctx, GSS_C_PRF_KEY_FULL, &in,
100, &out2);
if (out1.length != out2.length)
errx(1, "prf len mismatch");
if (memcmp(out1.value, out2.value, out1.length) != 0)
errx(1, "prf data mismatch");
gss_release_buffer(&min_stat, &out1);
gss_pseudo_random(&min_stat, sctx, GSS_C_PRF_KEY_FULL, &in,
100, &out1);
if (out1.length != out2.length)
errx(1, "prf len mismatch");
if (memcmp(out1.value, out2.value, out1.length) != 0)
errx(1, "prf data mismatch");
gss_release_buffer(&min_stat, &out1);
gss_release_buffer(&min_stat, &out2);
in.value = "bar";
in.length = 3;
gss_pseudo_random(&min_stat, sctx, GSS_C_PRF_KEY_PARTIAL, &in,
100, &out1);
gss_pseudo_random(&min_stat, cctx, GSS_C_PRF_KEY_PARTIAL, &in,
100, &out2);
if (out1.length != out2.length)
errx(1, "prf len mismatch");
if (memcmp(out1.value, out2.value, out1.length) != 0)
errx(1, "prf data mismatch");
gss_release_buffer(&min_stat, &out1);
gss_release_buffer(&min_stat, &out2);
wrapunwrap_flag = 1;
getverifymic_flag = 1;
#ifdef ENABLE_NTLM
} else if (gss_oid_equal(mechoid, GSS_NTLM_MECHANISM)) {
gss_buffer_set_t cds, sds;
maj_stat = gss_inquire_sec_context_by_oid(&min_stat,
sctx,
GSS_NTLM_GET_SESSION_KEY_X,
&sds);
if (min_stat != GSS_S_COMPLETE || sds->count != 1)
errx(1, "sds");
maj_stat = gss_inquire_sec_context_by_oid(&min_stat,
cctx,
GSS_NTLM_GET_SESSION_KEY_X,
&cds);
if (min_stat != GSS_S_COMPLETE || cds->count != 1)
errx(1, "cds");
if (sds->elements[0].length == 0) {
OM_uint32 sflags = 0;
maj_stat = gss_inquire_context(&min_stat, sctx,
NULL, NULL, NULL, NULL, &sflags, NULL, NULL);
if (maj_stat)
errx(1, "inquire_context");
if ((sflags & (GSS_C_CONF_FLAG | GSS_C_INTEG_FLAG)) != 0)
errx(1, "ntlm: no key but int|conf flag(s)!");
warnx("ntlm server doesn't support key export");
} else {
if (cds->elements[0].length != sds->elements[0].length)
errx(1, "key length wrong");
if (memcmp(cds->elements[0].value, sds->elements[0].value,
cds->elements[0].length) != 0)
errx(1, "key data wrong");
}
gss_release_buffer_set(&min_stat, &sds);
gss_release_buffer_set(&min_stat, &cds);
#endif
}
if (wrapunwrap_flag) {
wrapunwrap(cctx, sctx, 0, actual_mech);
wrapunwrap(cctx, sctx, 1, actual_mech);
wrapunwrap(sctx, cctx, 0, actual_mech);
wrapunwrap(sctx, cctx, 1, actual_mech);
}
if (iov_flag) {
wrapunwrap_iov(cctx, sctx, 0, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_HEADER_ONLY|FORCE_IOV, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_HEADER_ONLY, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_CONF, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_CONF|USE_HEADER_ONLY, actual_mech);
wrapunwrap_iov(cctx, sctx, FORCE_IOV, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_CONF|FORCE_IOV, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_HEADER_ONLY|FORCE_IOV, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_CONF|USE_HEADER_ONLY|FORCE_IOV, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_SIGN_ONLY|FORCE_IOV, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_CONF|USE_SIGN_ONLY|FORCE_IOV, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_CONF|USE_HEADER_ONLY|USE_SIGN_ONLY|FORCE_IOV, actual_mech);
wrapunwrap_iov(cctx, sctx, 0, actual_mech);
wrapunwrap_iov(cctx, sctx, FORCE_IOV, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_CONF, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_CONF|FORCE_IOV, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_SIGN_ONLY, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_SIGN_ONLY|FORCE_IOV, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_CONF|USE_SIGN_ONLY, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_CONF|USE_SIGN_ONLY|FORCE_IOV, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_HEADER_ONLY, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_HEADER_ONLY|FORCE_IOV, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_CONF|USE_HEADER_ONLY, actual_mech);
wrapunwrap_iov(cctx, sctx, USE_CONF|USE_HEADER_ONLY|FORCE_IOV, actual_mech);
}
if (getverifymic_flag) {
getverifymic(cctx, sctx, actual_mech);
getverifymic(cctx, sctx, actual_mech);
getverifymic(sctx, cctx, actual_mech);
getverifymic(sctx, cctx, actual_mech);
}
if (import_export_flag) {
check_export_import_sec_context(&cctx, &sctx, actual_mech);
}
gss_delete_sec_context(&min_stat, &cctx, NULL);
gss_delete_sec_context(&min_stat, &sctx, NULL);
if (deleg_cred != GSS_C_NO_CREDENTIAL) {
gss_cred_id_t cred2 = GSS_C_NO_CREDENTIAL;
gss_buffer_desc cb;
if (verbose_flag)
printf("checking actual mech (%s) on delegated cred\n",
gss_oid_to_name(actual_mech));
loop(actual_mech, nameoid, argv[0], deleg_cred, bindings,
&sctx, &cctx, &actual_mech2, &cred2);
gss_delete_sec_context(&min_stat, &cctx, NULL);
gss_delete_sec_context(&min_stat, &sctx, NULL);
gss_release_cred(&min_stat, &cred2);
if (verbose_flag)
printf("checking spnego on delegated cred\n");
loop(GSS_SPNEGO_MECHANISM, nameoid, argv[0], deleg_cred,
bindings, &sctx, &cctx,
&actual_mech2, &cred2);
gss_delete_sec_context(&min_stat, &cctx, NULL);
gss_delete_sec_context(&min_stat, &sctx, NULL);
gss_release_cred(&min_stat, &cred2);
if (ei_flag) {
maj_stat = gss_export_cred(&min_stat, deleg_cred, &cb);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "export failed: %s",
gssapi_err(maj_stat, min_stat, NULL));
maj_stat = gss_import_cred(&min_stat, &cb, &cred2);
if (maj_stat != GSS_S_COMPLETE)
errx(1, "import failed: %s",
gssapi_err(maj_stat, min_stat, NULL));
gss_release_buffer(&min_stat, &cb);
gss_release_cred(&min_stat, &deleg_cred);
if (verbose_flag)
printf("checking actual mech (%s) on export/imported cred\n",
gss_oid_to_name(actual_mech));
loop(actual_mech, nameoid, argv[0], cred2,
bindings, &sctx, &cctx,
&actual_mech2, &deleg_cred);
gss_release_cred(&min_stat, &deleg_cred);
gss_delete_sec_context(&min_stat, &cctx, NULL);
gss_delete_sec_context(&min_stat, &sctx, NULL);
if (verbose_flag)
printf("checking SPNEGO on export/imported cred\n");
loop(GSS_SPNEGO_MECHANISM, nameoid, argv[0], cred2,
bindings, &sctx, &cctx,
&actual_mech2, &deleg_cred);
gss_release_cred(&min_stat, &deleg_cred);
gss_delete_sec_context(&min_stat, &cctx, NULL);
gss_delete_sec_context(&min_stat, &sctx, NULL);
gss_release_cred(&min_stat, &cred2);
} else {
gss_release_cred(&min_stat, &deleg_cred);
}
}
empty_release();
krb5_free_context(context);
return 0;
}