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-rw-r--r--third_party/heimdal/appl/test/http_client.c513
1 files changed, 513 insertions, 0 deletions
diff --git a/third_party/heimdal/appl/test/http_client.c b/third_party/heimdal/appl/test/http_client.c
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+++ b/third_party/heimdal/appl/test/http_client.c
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+/*
+ * Copyright (c) 2003 - 2005 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.
+ */
+
+#include "test_locl.h"
+#include <gssapi/gssapi.h>
+#include <gssapi/gssapi_krb5.h>
+#include <gssapi/gssapi_spnego.h>
+#include "gss_common.h"
+#include <base64.h>
+
+RCSID("$Id$");
+
+/*
+ * A simplistic client implementing draft-brezak-spnego-http-04.txt
+ */
+
+static int
+do_connect (const char *hostname, const char *port)
+{
+ struct addrinfo *ai, *a;
+ struct addrinfo hints;
+ int error;
+ int s = -1;
+
+ memset (&hints, 0, sizeof(hints));
+ hints.ai_family = PF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_protocol = 0;
+
+ error = getaddrinfo (hostname, port, &hints, &ai);
+ if (error)
+ errx (1, "getaddrinfo(%s): %s", hostname, gai_strerror(error));
+
+ for (a = ai; a != NULL; a = a->ai_next) {
+ s = socket (a->ai_family, a->ai_socktype, a->ai_protocol);
+ if (s < 0)
+ continue;
+ if (connect (s, a->ai_addr, a->ai_addrlen) < 0) {
+ warn ("connect(%s)", hostname);
+ close (s);
+ continue;
+ }
+ break;
+ }
+ freeaddrinfo (ai);
+ if (a == NULL)
+ errx (1, "failed to contact %s", hostname);
+
+ return s;
+}
+
+static void
+fdprintf(int s, const char *fmt, ...)
+{
+ size_t len;
+ ssize_t ret;
+ va_list ap;
+ char *str, *buf;
+
+ va_start(ap, fmt);
+ vasprintf(&str, fmt, ap);
+ va_end(ap);
+
+ if (str == NULL)
+ errx(1, "vasprintf");
+
+ buf = str;
+ len = strlen(buf);
+ while (len) {
+ ret = write(s, buf, len);
+ if (ret == 0)
+ err(1, "connection closed");
+ else if (ret < 0)
+ err(1, "error");
+ len -= ret;
+ buf += ret;
+ }
+ free(str);
+}
+
+static int help_flag;
+static int version_flag;
+static int verbose_flag;
+static int mutual_flag = 1;
+static int delegate_flag;
+static char *port_str = "http";
+static char *gss_service = "HTTP";
+
+static struct getargs http_args[] = {
+ { "verbose", 'v', arg_flag, &verbose_flag, "verbose logging", NULL },
+ { "port", 'p', arg_string, &port_str, "port to connect to", "port" },
+ { "delegate", 0, arg_flag, &delegate_flag, "gssapi delegate credential",
+ NULL },
+ { "gss-service", 's', arg_string, &gss_service, "gssapi service to use",
+ "service" },
+ { "mech", 'm', arg_string, &mech, "gssapi mech to use", "mech" },
+ { "mutual", 0, arg_negative_flag, &mutual_flag, "no gssapi mutual auth",
+ NULL },
+ { "help", 'h', arg_flag, &help_flag, NULL, NULL },
+ { "version", 0, arg_flag, &version_flag, NULL, NULL }
+};
+
+static int num_http_args = sizeof(http_args) / sizeof(http_args[0]);
+
+static void
+usage(int code)
+{
+ arg_printusage(http_args, num_http_args, NULL, "host [page]");
+ exit(code);
+}
+
+/*
+ *
+ */
+
+struct http_req {
+ char *response;
+ char **headers;
+ int num_headers;
+ void *body;
+ size_t body_size;
+};
+
+
+static void
+http_req_zero(struct http_req *req)
+{
+ req->response = NULL;
+ req->headers = NULL;
+ req->num_headers = 0;
+ req->body = NULL;
+ req->body_size = 0;
+}
+
+static void
+http_req_free(struct http_req *req)
+{
+ int i;
+
+ free(req->response);
+ for (i = 0; i < req->num_headers; i++)
+ free(req->headers[i]);
+ free(req->headers);
+ free(req->body);
+ http_req_zero(req);
+}
+
+static const char *
+http_find_header(struct http_req *req, const char *header)
+{
+ int i, len = strlen(header);
+
+ for (i = 0; i < req->num_headers; i++) {
+ if (strncasecmp(header, req->headers[i], len) == 0) {
+ return req->headers[i] + len + 1;
+ }
+ }
+ return NULL;
+}
+
+
+static int
+http_query(const char *host, const char *page,
+ char **headers, struct http_req *req)
+{
+ enum { RESPONSE, HEADER, BODY } state;
+ ssize_t ret;
+ char in_buf[1024], *in_ptr = in_buf;
+ size_t in_len = 0;
+ int s, i;
+
+ http_req_zero(req);
+
+ s = do_connect(host, port_str);
+ if (s < 0)
+ errx(1, "connection failed");
+
+ fdprintf(s, "GET %s HTTP/1.0\r\n", page);
+ for (i = 0; headers[i]; i++)
+ fdprintf(s, "%s\r\n", headers[i]);
+ fdprintf(s, "Host: %s\r\n\r\n", host);
+
+ state = RESPONSE;
+
+ while (1) {
+ ret = read (s, in_ptr, sizeof(in_buf) - in_len - 1);
+ if (ret == 0)
+ break;
+ else if (ret < 0)
+ err (1, "read: %lu", (unsigned long)ret);
+
+ in_buf[ret + in_len] = '\0';
+
+ if (state == HEADER || state == RESPONSE) {
+ char *p;
+
+ in_len += ret;
+ in_ptr += ret;
+
+ while (1) {
+ p = strstr(in_buf, "\r\n");
+
+ if (p == NULL) {
+ break;
+ } else if (p == in_buf) {
+ memmove(in_buf, in_buf + 2, sizeof(in_buf) - 2);
+ state = BODY;
+ in_len -= 2;
+ in_ptr -= 2;
+ break;
+ } else if (state == RESPONSE) {
+ req->response = emalloc(p - in_buf + 1);
+ memcpy(req->response, in_buf, p - in_buf);
+ req->response[p - in_buf] = '\0';
+ state = HEADER;
+ } else {
+ req->headers = realloc(req->headers,
+ (req->num_headers + 1) * sizeof(req->headers[0]));
+ req->headers[req->num_headers] = emalloc(p - in_buf + 1);
+ memcpy(req->headers[req->num_headers], in_buf, p - in_buf);
+ req->headers[req->num_headers][p - in_buf] = '\0';
+ if (req->headers[req->num_headers] == NULL)
+ errx(1, "strdup");
+ req->num_headers++;
+ }
+ memmove(in_buf, p + 2, sizeof(in_buf) - (p - in_buf) - 2);
+ in_len -= (p - in_buf) + 2;
+ in_ptr -= (p - in_buf) + 2;
+ }
+ }
+
+ if (state == BODY) {
+
+ req->body = erealloc(req->body, req->body_size + ret + 1);
+
+ memcpy((char *)req->body + req->body_size, in_buf, ret);
+ req->body_size += ret;
+ ((char *)req->body)[req->body_size] = '\0';
+
+ in_ptr = in_buf;
+ in_len = 0;
+ } else
+ abort();
+ }
+
+ if (verbose_flag) {
+ int i;
+ printf("response: %s\n", req->response);
+ for (i = 0; i < req->num_headers; i++)
+ printf("header[%d] %s\n", i, req->headers[i]);
+ printf("body: %.*s\n", (int)req->body_size, (char *)req->body);
+ }
+
+ close(s);
+ return 0;
+}
+
+
+int
+main(int argc, char **argv)
+{
+ struct http_req req;
+ const char *host, *page;
+ int i, done, print_body, gssapi_done, gssapi_started;
+ char *headers[10] = { 0 };
+ int num_headers = 0;
+ gss_ctx_id_t context_hdl = GSS_C_NO_CONTEXT;
+ gss_name_t server = GSS_C_NO_NAME;
+ int optind = 0;
+ gss_OID mech_oid;
+ OM_uint32 flags;
+
+ setprogname(argv[0]);
+
+ if(getarg(http_args, num_http_args, argc, argv, &optind))
+ usage(1);
+
+ if (help_flag)
+ usage (0);
+
+ if(version_flag) {
+ print_version(NULL);
+ exit(0);
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ mech_oid = select_mech(mech);
+
+ if (argc != 1 && argc != 2)
+ errx(1, "usage: %s host [page]", getprogname());
+ host = argv[0];
+ if (argc == 2)
+ page = argv[1];
+ else
+ page = "/";
+
+ flags = 0;
+ if (delegate_flag)
+ flags |= GSS_C_DELEG_FLAG;
+ if (mutual_flag)
+ flags |= GSS_C_MUTUAL_FLAG;
+
+ done = 0;
+ num_headers = 0;
+ gssapi_done = 1;
+ gssapi_started = 0;
+ do {
+ print_body = 0;
+
+ http_query(host, page, headers, &req);
+ for (i = 0 ; headers[i]; i++) {
+ free(headers[i]);
+ headers[i] = NULL;
+ }
+ num_headers = 0;
+
+ if (strstr(req.response, " 200 ") != NULL) {
+ print_body = 1;
+ done = 1;
+ } else if (strstr(req.response, " 401 ") != NULL) {
+ if (http_find_header(&req, "WWW-Authenticate:") == NULL)
+ errx(1, "Got %s but missed `WWW-Authenticate'", req.response);
+ gssapi_done = 0;
+ }
+
+ if (!gssapi_done) {
+ const char *h = http_find_header(&req, "WWW-Authenticate:");
+ if (h == NULL)
+ errx(1, "Got %s but missed `WWW-Authenticate'", req.response);
+
+ if (strncasecmp(h, "Negotiate", 9) == 0) {
+ OM_uint32 maj_stat, min_stat;
+ gss_buffer_desc input_token, output_token;
+
+ if (verbose_flag)
+ printf("Negotiate found\n");
+
+ if (server == GSS_C_NO_NAME) {
+ char *name;
+ asprintf(&name, "%s@%s", gss_service, host);
+ input_token.length = strlen(name);
+ input_token.value = name;
+
+ maj_stat = gss_import_name(&min_stat,
+ &input_token,
+ GSS_C_NT_HOSTBASED_SERVICE,
+ &server);
+ if (GSS_ERROR(maj_stat))
+ gss_err (1, min_stat, "gss_inport_name");
+ free(name);
+ input_token.length = 0;
+ input_token.value = NULL;
+ }
+
+ i = 9;
+ while(h[i] && isspace((unsigned char)h[i]))
+ i++;
+ if (h[i] != '\0') {
+ int len = strlen(&h[i]);
+ if (len == 0)
+ errx(1, "invalid Negotiate token");
+ input_token.value = emalloc(len);
+ len = rk_base64_decode(&h[i], input_token.value);
+ if (len < 0)
+ errx(1, "invalid base64 Negotiate token %s", &h[i]);
+ input_token.length = len;
+ } else {
+ if (gssapi_started)
+ errx(1, "Negotiate already started");
+ gssapi_started = 1;
+
+ input_token.length = 0;
+ input_token.value = NULL;
+ }
+
+ maj_stat =
+ gss_init_sec_context(&min_stat,
+ GSS_C_NO_CREDENTIAL,
+ &context_hdl,
+ server,
+ mech_oid,
+ flags,
+ 0,
+ GSS_C_NO_CHANNEL_BINDINGS,
+ &input_token,
+ NULL,
+ &output_token,
+ NULL,
+ NULL);
+ if (GSS_ERROR(maj_stat))
+ gss_err (1, min_stat, "gss_init_sec_context");
+ else if (maj_stat & GSS_S_CONTINUE_NEEDED)
+ gssapi_done = 0;
+ else {
+ gss_name_t targ_name, src_name;
+ gss_buffer_desc name_buffer;
+ gss_OID mech_type;
+
+ gssapi_done = 1;
+
+ printf("Negotiate done: %s\n", mech);
+
+ maj_stat = gss_inquire_context(&min_stat,
+ context_hdl,
+ &src_name,
+ &targ_name,
+ NULL,
+ &mech_type,
+ NULL,
+ NULL,
+ NULL);
+ if (GSS_ERROR(maj_stat))
+ gss_err (1, min_stat, "gss_inquire_context");
+
+ maj_stat = gss_display_name(&min_stat,
+ src_name,
+ &name_buffer,
+ NULL);
+ if (GSS_ERROR(maj_stat))
+ gss_err (1, min_stat, "gss_display_name");
+
+ printf("Source: %.*s\n",
+ (int)name_buffer.length,
+ (char *)name_buffer.value);
+
+ gss_release_buffer(&min_stat, &name_buffer);
+
+ maj_stat = gss_display_name(&min_stat,
+ targ_name,
+ &name_buffer,
+ NULL);
+ if (GSS_ERROR(maj_stat))
+ gss_err (1, min_stat, "gss_display_name");
+
+ printf("Target: %.*s\n",
+ (int)name_buffer.length,
+ (char *)name_buffer.value);
+
+ gss_release_name(&min_stat, &targ_name);
+ gss_release_buffer(&min_stat, &name_buffer);
+ }
+
+ if (output_token.length) {
+ char *neg_token;
+
+ rk_base64_encode(output_token.value,
+ output_token.length,
+ &neg_token);
+
+ asprintf(&headers[num_headers++], "Authorization: Negotiate %s",
+ neg_token);
+
+ free(neg_token);
+ gss_release_buffer(&min_stat, &output_token);
+ }
+ if (input_token.length)
+ free(input_token.value);
+
+ } else
+ done = 1;
+ } else
+ done = 1;
+
+ if (verbose_flag) {
+ printf("%s\n\n", req.response);
+
+ for (i = 0; i < req.num_headers; i++)
+ printf("%s\n", req.headers[i]);
+ printf("\n");
+ }
+ if (print_body || verbose_flag)
+ printf("%.*s\n", (int)req.body_size, (char *)req.body);
+
+ http_req_free(&req);
+ } while (!done);
+
+ if (gssapi_done == 0)
+ errx(1, "gssapi not done but http dance done");
+
+ return 0;
+}
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