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-rw-r--r--third_party/heimdal/appl/test/gssapi_server.c404
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diff --git a/third_party/heimdal/appl/test/gssapi_server.c b/third_party/heimdal/appl/test/gssapi_server.c
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+/*
+ * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. 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.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
+ */
+
+/*
+ * A sample server that uses the GSSAPI.
+ */
+
+#include "test_locl.h"
+#include <gssapi/gssapi.h>
+#include <gssapi/gssapi_krb5.h>
+#include <gssapi/gssapi_spnego.h>
+#include "gss_common.h"
+
+static int
+process_it(int sock,
+ gss_ctx_id_t context_hdl,
+ gss_name_t client_name
+ )
+{
+ OM_uint32 maj_stat, min_stat;
+ gss_buffer_desc real_input_token, real_output_token;
+ gss_buffer_t input_token = &real_input_token,
+ output_token = &real_output_token;
+ gss_name_t server_name;
+ int conf_flag;
+
+ print_gss_name("User is", client_name);
+
+ maj_stat = gss_inquire_context(&min_stat,
+ context_hdl,
+ NULL,
+ &server_name,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL);
+ if (GSS_ERROR(maj_stat))
+ gss_err (1, min_stat, "gss_inquire_context");
+
+ print_gss_name("Server is", server_name);
+
+ maj_stat = gss_release_name(&min_stat, &server_name);
+ if (GSS_ERROR(maj_stat))
+ gss_err (1, min_stat, "gss_release_name");
+
+ /* gss_verify_mic */
+
+ read_token (sock, input_token);
+ read_token (sock, output_token);
+
+ maj_stat = gss_verify_mic (&min_stat,
+ context_hdl,
+ input_token,
+ output_token,
+ NULL);
+ if (GSS_ERROR(maj_stat))
+ gss_err (1, min_stat, "gss_verify_mic");
+
+ fprintf (stderr, "gss_verify_mic: %.*s\n", (int)input_token->length,
+ (char *)input_token->value);
+
+ gss_release_buffer (&min_stat, input_token);
+ gss_release_buffer (&min_stat, output_token);
+
+ /* create mic */
+
+ input_token->length = 6;
+ input_token->value = strdup("hejsan");
+
+ maj_stat = gss_get_mic(&min_stat,
+ context_hdl,
+ GSS_C_QOP_DEFAULT,
+ input_token,
+ output_token);
+ if (GSS_ERROR(maj_stat))
+ gss_err (1, min_stat, "gss_get_mic");
+
+ write_token (sock, input_token);
+ write_token (sock, output_token);
+
+ gss_release_buffer (&min_stat, output_token);
+
+ /* gss_unwrap */
+
+ read_token (sock, input_token);
+
+ maj_stat = gss_unwrap (&min_stat,
+ context_hdl,
+ input_token,
+ output_token,
+ &conf_flag,
+ NULL);
+ if(GSS_ERROR(maj_stat))
+ gss_err (1, min_stat, "gss_unwrap");
+
+ fprintf (stderr, "gss_unwrap: %.*s %s\n", (int)output_token->length,
+ (char *)output_token->value,
+ conf_flag ? "CONF" : "INT");
+
+ gss_release_buffer (&min_stat, input_token);
+ gss_release_buffer (&min_stat, output_token);
+
+ read_token (sock, input_token);
+
+ maj_stat = gss_unwrap (&min_stat,
+ context_hdl,
+ input_token,
+ output_token,
+ &conf_flag,
+ NULL);
+ if(GSS_ERROR(maj_stat))
+ gss_err (1, min_stat, "gss_unwrap");
+
+ fprintf (stderr, "gss_unwrap: %.*s %s\n", (int)output_token->length,
+ (char *)output_token->value,
+ conf_flag ? "CONF" : "INT");
+
+ gss_release_buffer (&min_stat, input_token);
+ gss_release_buffer (&min_stat, output_token);
+
+ input_token->value = "hejhej";
+ input_token->length = 6;
+
+ maj_stat = gss_wrap (&min_stat,
+ context_hdl,
+ 1,
+ GSS_C_QOP_DEFAULT,
+ input_token,
+ NULL,
+ output_token);
+ if (GSS_ERROR(maj_stat))
+ gss_err(1, min_stat, "gss_wrap");
+
+ write_token (sock, output_token);
+ gss_release_buffer (&min_stat, output_token);
+
+ read_token (sock, input_token);
+
+ if (input_token->length != 6 && memcmp(input_token->value, "hejhej", 6) != 0)
+ errx(1, "invalid reply");
+
+ return 0;
+}
+
+static int
+proto (int sock, const char *service)
+{
+ struct sockaddr_in remote, local;
+ socklen_t addrlen;
+ gss_ctx_id_t context_hdl = GSS_C_NO_CONTEXT;
+ gss_buffer_desc real_input_token, real_output_token;
+ gss_buffer_t input_token = &real_input_token,
+ output_token = &real_output_token;
+ OM_uint32 maj_stat, min_stat;
+ gss_name_t client_name;
+ struct gss_channel_bindings_struct input_chan_bindings;
+ gss_cred_id_t delegated_cred_handle = NULL;
+ krb5_ccache ccache = NULL;
+ u_char init_buf[4];
+ u_char acct_buf[4];
+ gss_OID mech_oid;
+ char *mech, *p;
+
+ memset(&remote, 0, sizeof(remote));
+ local = remote;
+
+ addrlen = sizeof(local);
+ if (getsockname (sock, (struct sockaddr *)&local, &addrlen) < 0
+ || addrlen != sizeof(local))
+ err (1, "getsockname)");
+
+ addrlen = sizeof(remote);
+ if (getpeername (sock, (struct sockaddr *)&remote, &addrlen) < 0
+ || addrlen != sizeof(remote))
+ err (1, "getpeername");
+
+ input_chan_bindings.initiator_addrtype = GSS_C_AF_INET;
+ input_chan_bindings.initiator_address.length = 4;
+ init_buf[0] = (remote.sin_addr.s_addr >> 24) & 0xFF;
+ init_buf[1] = (remote.sin_addr.s_addr >> 16) & 0xFF;
+ init_buf[2] = (remote.sin_addr.s_addr >> 8) & 0xFF;
+ init_buf[3] = (remote.sin_addr.s_addr >> 0) & 0xFF;
+
+ input_chan_bindings.initiator_address.value = init_buf;
+ input_chan_bindings.acceptor_addrtype = GSS_C_AF_INET;
+
+ input_chan_bindings.acceptor_address.length = 4;
+ acct_buf[0] = (local.sin_addr.s_addr >> 24) & 0xFF;
+ acct_buf[1] = (local.sin_addr.s_addr >> 16) & 0xFF;
+ acct_buf[2] = (local.sin_addr.s_addr >> 8) & 0xFF;
+ acct_buf[3] = (local.sin_addr.s_addr >> 0) & 0xFF;
+ input_chan_bindings.acceptor_address.value = acct_buf;
+ input_chan_bindings.application_data.value = emalloc(4);
+#if 0
+ * (unsigned short *)input_chan_bindings.application_data.value =
+ remote.sin_port;
+ * ((unsigned short *)input_chan_bindings.application_data.value + 1) =
+ local.sin_port;
+ input_chan_bindings.application_data.length = 4;
+#else
+ input_chan_bindings.application_data.length = 0;
+ input_chan_bindings.application_data.value = NULL;
+#endif
+
+ delegated_cred_handle = GSS_C_NO_CREDENTIAL;
+
+ do {
+ read_token (sock, input_token);
+ maj_stat =
+ gss_accept_sec_context (&min_stat,
+ &context_hdl,
+ GSS_C_NO_CREDENTIAL,
+ input_token,
+ &input_chan_bindings,
+ &client_name,
+ &mech_oid,
+ output_token,
+ NULL,
+ NULL,
+ &delegated_cred_handle);
+ if(GSS_ERROR(maj_stat))
+ gss_err (1, min_stat, "gss_accept_sec_context");
+ if (output_token->length != 0)
+ write_token (sock, output_token);
+ if (GSS_ERROR(maj_stat)) {
+ if (context_hdl != GSS_C_NO_CONTEXT)
+ gss_delete_sec_context (&min_stat,
+ &context_hdl,
+ GSS_C_NO_BUFFER);
+ break;
+ }
+ } while(maj_stat & GSS_S_CONTINUE_NEEDED);
+
+ p = (char *)mech_oid->elements;
+ if (mech_oid->length == GSS_KRB5_MECHANISM->length
+ && memcmp(p, GSS_KRB5_MECHANISM->elements, mech_oid->length) == 0)
+ mech = "Kerberos 5";
+ else if (mech_oid->length == GSS_SPNEGO_MECHANISM->length
+ && memcmp(p, GSS_SPNEGO_MECHANISM->elements, mech_oid->length) == 0)
+ mech = "SPNEGO"; /* XXX Silly, wont show up */
+ else
+ mech = "Unknown";
+
+ printf("Using mech: %s\n", mech);
+
+ if (delegated_cred_handle != GSS_C_NO_CREDENTIAL) {
+ krb5_context context = NULL;
+
+ printf("Delegated cred found\n");
+
+ min_stat = krb5_init_context(&context);
+ if (min_stat)
+ gss_err(1, min_stat, "krb5_init_context");
+ if (min_stat == 0)
+ min_stat = krb5_cc_resolve(context, "FILE:/tmp/krb5cc_test", &ccache);
+ if (min_stat == 0)
+ maj_stat = gss_krb5_copy_ccache(&min_stat,
+ delegated_cred_handle,
+ ccache);
+ else
+ maj_stat = GSS_S_FAILURE;
+ if (maj_stat == 0) {
+ krb5_principal p;
+ maj_stat = krb5_cc_get_principal(context, ccache, &p);
+ if (maj_stat == 0) {
+ char *name;
+ maj_stat = krb5_unparse_name(context, p, &name);
+ if (maj_stat == 0) {
+ printf("Delegated user is: `%s'\n", name);
+ free(name);
+ }
+ krb5_free_principal(context, p);
+ }
+ }
+ krb5_cc_close(context, ccache);
+ krb5_free_context(context);
+ gss_release_cred(&min_stat, &delegated_cred_handle);
+ }
+
+ if (fork_flag) {
+ pid_t pid;
+ int pipefd[2];
+
+ if (pipe (pipefd) < 0)
+ err (1, "pipe");
+
+ pid = fork ();
+ if (pid < 0)
+ err (1, "fork");
+ if (pid != 0) {
+ gss_buffer_desc buf;
+
+ maj_stat = gss_export_sec_context (&min_stat,
+ &context_hdl,
+ &buf);
+ if (GSS_ERROR(maj_stat))
+ gss_err (1, min_stat, "gss_export_sec_context");
+ write_token (pipefd[1], &buf);
+ exit (0);
+ } else {
+ gss_ctx_id_t context_hdl;
+ gss_buffer_desc buf;
+
+ close (pipefd[1]);
+ read_token (pipefd[0], &buf);
+ close (pipefd[0]);
+ maj_stat = gss_import_sec_context (&min_stat, &buf, &context_hdl);
+ if (GSS_ERROR(maj_stat))
+ gss_err (1, min_stat, "gss_import_sec_context");
+ gss_release_buffer (&min_stat, &buf);
+ return process_it (sock, context_hdl, client_name);
+ }
+ } else {
+ return process_it (sock, context_hdl, client_name);
+ }
+}
+
+static void
+loop (int port, const char *service)
+{
+ int sock, sock2;
+ struct sockaddr_in my_addr;
+ int one = 1;
+
+ if (keytab_str)
+ gsskrb5_register_acceptor_identity(keytab_str);
+
+ sock = socket (AF_INET, SOCK_STREAM, 0);
+ if (sock < 0)
+ err (1, "socket");
+
+ memset (&my_addr, 0, sizeof(my_addr));
+ my_addr.sin_family = AF_INET;
+ my_addr.sin_port = port;
+ my_addr.sin_addr.s_addr = INADDR_ANY;
+
+ if (setsockopt (sock, SOL_SOCKET, SO_REUSEADDR,
+ (void *)&one, sizeof(one)) < 0)
+ warn ("setsockopt SO_REUSEADDR");
+
+ if (bind (sock, (struct sockaddr *)&my_addr, sizeof(my_addr)) < 0)
+ err (1, "bind");
+
+ while (1) {
+ if (listen (sock, 1) < 0)
+ err (1, "listen");
+
+ sock2 = accept (sock, NULL, NULL);
+ if (sock2 < 0)
+ err (1, "accept");
+
+ proto (sock2, service);
+ }
+}
+
+/*
+ * Iterative server; process one connection at a time.
+ */
+int
+main(int argc, char **argv)
+{
+ krb5_context context = NULL; /* XXX */
+ krb5_error_code ret;
+ int port = server_setup(&context, argc, argv);
+
+ ret = krb5_kt_have_content(context, keytab);
+ if (ret)
+ krb5_err (context, 1, ret, "krb5_kt_have_content");
+
+ loop (port, service);
+ return 0;
+}
+
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