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34 #include "test_locl.h"
36 #include "gss_common.h"
39 RCSID("$Id: http_client.c 14861 2005-04-20 10:38:37Z lha $");
42 * A simplistic client implementing draft-brezak-spnego-http-04.txt
46 do_connect (const char *hostname, const char *port)
48 struct addrinfo *ai, *a;
49 struct addrinfo hints;
53 memset (&hints, 0, sizeof(hints));
54 hints.ai_family = PF_UNSPEC;
55 hints.ai_socktype = SOCK_STREAM;
56 hints.ai_protocol = 0;
58 error = getaddrinfo (hostname, port, &hints, &ai);
60 errx (1, "getaddrinfo(%s): %s", hostname, gai_strerror(error));
62 for (a = ai; a != NULL; a = a->ai_next) {
63 s = socket (a->ai_family, a->ai_socktype, a->ai_protocol);
66 if (connect (s, a->ai_addr, a->ai_addrlen) < 0) {
67 warn ("connect(%s)", hostname);
75 errx (1, "failed to contact %s", hostname);
81 fdprintf(int s, const char *fmt, ...)
89 vasprintf(&str, fmt, ap);
98 ret = write(s, buf, len);
100 err(1, "connection closed");
109 static int help_flag;
110 static int version_flag;
111 static int verbose_flag;
112 static int mutual_flag = 1;
113 static int delegate_flag;
114 static char *port_str = "http";
115 static char *gss_service = "HTTP";
117 static struct getargs http_args[] = {
118 { "verbose", 'v', arg_flag, &verbose_flag, "verbose logging", },
119 { "port", 'p', arg_string, &port_str, "port to connect to", "port" },
120 { "delegate", 0, arg_flag, &delegate_flag, "gssapi delegate credential" },
121 { "gss-service", 's', arg_string, &gss_service, "gssapi service to use",
123 { "mech", 'm', arg_string, &mech, "gssapi mech to use", "mech" },
124 { "mutual", 0, arg_negative_flag, &mutual_flag, "no gssapi mutual auth" },
125 { "help", 'h', arg_flag, &help_flag },
126 { "version", 0, arg_flag, &version_flag }
129 static int num_http_args = sizeof(http_args) / sizeof(http_args[0]);
134 arg_printusage(http_args, num_http_args, NULL, "host [page]");
152 http_req_zero(struct http_req *req)
154 req->response = NULL;
156 req->num_headers = 0;
162 http_req_free(struct http_req *req)
167 for (i = 0; i < req->num_headers; i++)
168 free(req->headers[i]);
175 http_find_header(struct http_req *req, const char *header)
177 int i, len = strlen(header);
179 for (i = 0; i < req->num_headers; i++) {
180 if (strncasecmp(header, req->headers[i], len) == 0) {
181 return req->headers[i] + len + 1;
189 http_query(const char *host, const char *page,
190 char **headers, int num_headers, struct http_req *req)
192 enum { RESPONSE, HEADER, BODY } state;
194 char in_buf[1024], *in_ptr = in_buf;
200 s = do_connect(host, port_str);
202 errx(1, "connection failed");
204 fdprintf(s, "GET %s HTTP/1.0\r\n", page);
205 for (i = 0; i < num_headers; i++)
206 fdprintf(s, "%s\r\n", headers[i]);
207 fdprintf(s, "Host: %s\r\n\r\n", host);
212 ret = read (s, in_ptr, sizeof(in_buf) - in_len - 1);
216 err (1, "read: %lu", (unsigned long)ret);
218 in_buf[ret + in_len] = '\0';
220 if (state == HEADER || state == RESPONSE) {
227 p = strstr(in_buf, "\r\n");
231 } else if (p == in_buf) {
232 memmove(in_buf, in_buf + 2, sizeof(in_buf) - 2);
237 } else if (state == RESPONSE) {
238 req->response = strndup(in_buf, p - in_buf);
241 req->headers = realloc(req->headers,
242 (req->num_headers + 1) * sizeof(req->headers[0]));
243 req->headers[req->num_headers] = strndup(in_buf, p - in_buf);
244 if (req->headers[req->num_headers] == NULL)
248 memmove(in_buf, p + 2, sizeof(in_buf) - (p - in_buf) - 2);
249 in_len -= (p - in_buf) + 2;
250 in_ptr -= (p - in_buf) + 2;
256 req->body = erealloc(req->body, req->body_size + ret + 1);
258 memcpy((char *)req->body + req->body_size, in_buf, ret);
259 req->body_size += ret;
260 ((char *)req->body)[req->body_size] = '\0';
270 printf("response: %s\n", req->response);
271 for (i = 0; i < req->num_headers; i++)
272 printf("header[%d] %s\n", i, req->headers[i]);
273 printf("body: %.*s\n", (int)req->body_size, (char *)req->body);
282 main(int argc, char **argv)
285 const char *host, *page;
286 int i, done, print_body, gssapi_done, gssapi_started;
287 char *headers[10]; /* XXX */
289 gss_ctx_id_t context_hdl = GSS_C_NO_CONTEXT;
290 gss_name_t server = GSS_C_NO_NAME;
295 setprogname(argv[0]);
297 if(getarg(http_args, num_http_args, argc, argv, &optind))
311 mech_oid = select_mech(mech);
313 if (argc != 1 && argc != 2)
314 errx(1, "usage: %s host [page]", getprogname());
323 flags |= GSS_C_DELEG_FLAG;
325 flags |= GSS_C_MUTUAL_FLAG;
334 http_query(host, page, headers, num_headers, &req);
335 for (i = 0 ; i < num_headers; i++)
339 if (strstr(req.response, " 200 ") != NULL) {
342 } else if (strstr(req.response, " 401 ") != NULL) {
343 if (http_find_header(&req, "WWW-Authenticate:") == NULL)
344 errx(1, "Got %s but missed `WWW-Authenticate'", req.response);
349 const char *h = http_find_header(&req, "WWW-Authenticate:");
351 errx(1, "Got %s but missed `WWW-Authenticate'", req.response);
353 if (strncasecmp(h, "Negotiate", 9) == 0) {
354 OM_uint32 maj_stat, min_stat;
355 gss_buffer_desc input_token, output_token;
358 printf("Negotiate found\n");
360 if (server == GSS_C_NO_NAME) {
362 asprintf(&name, "%s@%s", gss_service, host);
363 input_token.length = strlen(name);
364 input_token.value = name;
366 maj_stat = gss_import_name(&min_stat,
368 GSS_C_NT_HOSTBASED_SERVICE,
370 if (GSS_ERROR(maj_stat))
371 gss_err (1, min_stat, "gss_inport_name");
373 input_token.length = 0;
374 input_token.value = NULL;
378 while(h[i] && isspace((unsigned char)h[i]))
381 int len = strlen(&h[i]);
383 errx(1, "invalid Negotiate token");
384 input_token.value = emalloc(len);
385 len = base64_decode(&h[i], input_token.value);
387 errx(1, "invalid base64 Negotiate token %s", &h[i]);
388 input_token.length = len;
391 errx(1, "Negotiate already started");
394 input_token.length = 0;
395 input_token.value = NULL;
399 gss_init_sec_context(&min_stat,
406 GSS_C_NO_CHANNEL_BINDINGS,
412 if (GSS_ERROR(maj_stat))
413 gss_err (1, min_stat, "gss_init_sec_context");
414 else if (maj_stat & GSS_S_CONTINUE_NEEDED)
417 gss_name_t targ_name, src_name;
418 gss_buffer_desc name_buffer;
423 printf("Negotiate done: %s\n", mech);
425 maj_stat = gss_inquire_context(&min_stat,
434 if (GSS_ERROR(maj_stat))
435 gss_err (1, min_stat, "gss_inquire_context");
437 maj_stat = gss_display_name(&min_stat,
441 if (GSS_ERROR(maj_stat))
442 gss_err (1, min_stat, "gss_display_name");
444 printf("Source: %.*s\n",
445 (int)name_buffer.length,
446 (char *)name_buffer.value);
448 gss_release_buffer(&min_stat, &name_buffer);
450 maj_stat = gss_display_name(&min_stat,
454 if (GSS_ERROR(maj_stat))
455 gss_err (1, min_stat, "gss_display_name");
457 printf("Target: %.*s\n",
458 (int)name_buffer.length,
459 (char *)name_buffer.value);
461 gss_release_name(&min_stat, &targ_name);
462 gss_release_buffer(&min_stat, &name_buffer);
465 if (output_token.length) {
468 base64_encode(output_token.value,
472 asprintf(&headers[0], "Authorization: Negotiate %s",
477 gss_release_buffer(&min_stat, &output_token);
479 if (input_token.length)
480 free(input_token.value);
488 printf("%s\n\n", req.response);
490 for (i = 0; i < req.num_headers; i++)
491 printf("%s\n", req.headers[i]);
494 if (print_body || verbose_flag)
495 printf("%.*s\n", (int)req.body_size, (char *)req.body);
500 if (gssapi_done == 0)
501 errx(1, "gssapi not done but http dance done");