2 * serf.c : entry point for ra_serf
4 * ====================================================================
5 * Licensed to the Apache Software Foundation (ASF) under one
6 * or more contributor license agreements. See the NOTICE file
7 * distributed with this work for additional information
8 * regarding copyright ownership. The ASF licenses this file
9 * to you under the Apache License, Version 2.0 (the
10 * "License"); you may not use this file except in compliance
11 * with the License. You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing,
16 * software distributed under the License is distributed on an
17 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
18 * KIND, either express or implied. See the License for the
19 * specific language governing permissions and limitations
21 * ====================================================================
26 #define APR_WANT_STRFUNC
32 #include "svn_pools.h"
36 #include "../libsvn_ra/ra_loader.h"
37 #include "svn_config.h"
38 #include "svn_delta.h"
39 #include "svn_dirent_uri.h"
42 #include "svn_props.h"
44 #include "svn_version.h"
46 #include "private/svn_dav_protocol.h"
47 #include "private/svn_dep_compat.h"
48 #include "private/svn_fspath.h"
49 #include "private/svn_subr_private.h"
50 #include "svn_private_config.h"
55 /* Implements svn_ra__vtable_t.get_version(). */
56 static const svn_version_t *
62 #define RA_SERF_DESCRIPTION \
63 N_("Module for accessing a repository via WebDAV protocol using serf.")
65 #define RA_SERF_DESCRIPTION_VER \
66 N_("Module for accessing a repository via WebDAV protocol using serf.\n" \
67 " - using serf %d.%d.%d (compiled with %d.%d.%d)")
69 /* Implements svn_ra__vtable_t.get_description(). */
71 ra_serf_get_description(apr_pool_t *pool)
73 int major, minor, patch;
75 serf_lib_version(&major, &minor, &patch);
76 return apr_psprintf(pool, _(RA_SERF_DESCRIPTION_VER),
84 /* Implements svn_ra__vtable_t.get_schemes(). */
85 static const char * const *
86 ra_serf_get_schemes(apr_pool_t *pool)
88 static const char *serf_ssl[] = { "http", "https", NULL };
90 /* ### Temporary: to shut up a warning. */
91 static const char *serf_no_ssl[] = { "http", NULL };
94 /* TODO: Runtime detection. */
98 /* Load the setting http-auth-types from the global or server specific
99 section, parse its value and set the types of authentication we should
100 accept from the server. */
102 load_http_auth_types(apr_pool_t *pool, svn_config_t *config,
103 const char *server_group,
106 const char *http_auth_types = NULL;
107 *authn_types = SERF_AUTHN_NONE;
109 svn_config_get(config, &http_auth_types, SVN_CONFIG_SECTION_GLOBAL,
110 SVN_CONFIG_OPTION_HTTP_AUTH_TYPES, NULL);
114 svn_config_get(config, &http_auth_types, server_group,
115 SVN_CONFIG_OPTION_HTTP_AUTH_TYPES, http_auth_types);
121 char *auth_types_list = apr_palloc(pool, strlen(http_auth_types) + 1);
122 apr_collapse_spaces(auth_types_list, http_auth_types);
123 while ((token = svn_cstring_tokenize(";", &auth_types_list)) != NULL)
125 if (svn_cstring_casecmp("basic", token) == 0)
126 *authn_types |= SERF_AUTHN_BASIC;
127 else if (svn_cstring_casecmp("digest", token) == 0)
128 *authn_types |= SERF_AUTHN_DIGEST;
129 else if (svn_cstring_casecmp("ntlm", token) == 0)
130 *authn_types |= SERF_AUTHN_NTLM;
131 else if (svn_cstring_casecmp("negotiate", token) == 0)
132 *authn_types |= SERF_AUTHN_NEGOTIATE;
134 return svn_error_createf(SVN_ERR_BAD_CONFIG_VALUE, NULL,
135 _("Invalid config: unknown %s "
137 SVN_CONFIG_OPTION_HTTP_AUTH_TYPES, token);
142 /* Nothing specified by the user, so accept all types. */
143 *authn_types = SERF_AUTHN_ALL;
149 /* Default HTTP timeout (in seconds); overridden by the 'http-timeout'
150 runtime configuration variable. */
151 #define DEFAULT_HTTP_TIMEOUT 600
154 load_config(svn_ra_serf__session_t *session,
155 apr_hash_t *config_hash,
156 apr_pool_t *result_pool,
157 apr_pool_t *scratch_pool)
159 svn_config_t *config, *config_client;
160 const char *server_group;
161 const char *proxy_host = NULL;
162 const char *port_str = NULL;
163 const char *timeout_str = NULL;
164 const char *exceptions;
165 apr_port_t proxy_port;
166 svn_tristate_t chunked_requests;
167 #if SERF_VERSION_AT_LEAST(1, 4, 0) && !defined(SVN_SERF_NO_LOGGING)
168 apr_int64_t log_components;
169 apr_int64_t log_level;
174 config = svn_hash_gets(config_hash, SVN_CONFIG_CATEGORY_SERVERS);
175 config_client = svn_hash_gets(config_hash, SVN_CONFIG_CATEGORY_CONFIG);
180 config_client = NULL;
183 SVN_ERR(svn_config_get_tristate(config, &session->using_compression,
184 SVN_CONFIG_SECTION_GLOBAL,
185 SVN_CONFIG_OPTION_HTTP_COMPRESSION,
186 "auto", svn_tristate_unknown));
187 svn_config_get(config, &timeout_str, SVN_CONFIG_SECTION_GLOBAL,
188 SVN_CONFIG_OPTION_HTTP_TIMEOUT, NULL);
190 if (session->auth_baton)
194 svn_auth_set_parameter(session->auth_baton,
195 SVN_AUTH_PARAM_CONFIG_CATEGORY_CONFIG,
200 svn_auth_set_parameter(session->auth_baton,
201 SVN_AUTH_PARAM_CONFIG_CATEGORY_SERVERS,
206 /* Use the default proxy-specific settings if and only if
207 "http-proxy-exceptions" is not set to exclude this host. */
208 svn_config_get(config, &exceptions, SVN_CONFIG_SECTION_GLOBAL,
209 SVN_CONFIG_OPTION_HTTP_PROXY_EXCEPTIONS, "");
210 if (! svn_cstring_match_glob_list(session->session_url.hostname,
211 svn_cstring_split(exceptions, ",",
212 TRUE, scratch_pool)))
214 svn_config_get(config, &proxy_host, SVN_CONFIG_SECTION_GLOBAL,
215 SVN_CONFIG_OPTION_HTTP_PROXY_HOST, NULL);
216 svn_config_get(config, &port_str, SVN_CONFIG_SECTION_GLOBAL,
217 SVN_CONFIG_OPTION_HTTP_PROXY_PORT, NULL);
218 svn_config_get(config, &session->proxy_username,
219 SVN_CONFIG_SECTION_GLOBAL,
220 SVN_CONFIG_OPTION_HTTP_PROXY_USERNAME, NULL);
221 svn_config_get(config, &session->proxy_password,
222 SVN_CONFIG_SECTION_GLOBAL,
223 SVN_CONFIG_OPTION_HTTP_PROXY_PASSWORD, NULL);
226 /* Load the global ssl settings, if set. */
227 SVN_ERR(svn_config_get_bool(config, &session->trust_default_ca,
228 SVN_CONFIG_SECTION_GLOBAL,
229 SVN_CONFIG_OPTION_SSL_TRUST_DEFAULT_CA,
231 svn_config_get(config, &session->ssl_authorities, SVN_CONFIG_SECTION_GLOBAL,
232 SVN_CONFIG_OPTION_SSL_AUTHORITY_FILES, NULL);
234 /* If set, read the flag that tells us to do bulk updates or not. Defaults
235 to skelta updates. */
236 SVN_ERR(svn_config_get_tristate(config, &session->bulk_updates,
237 SVN_CONFIG_SECTION_GLOBAL,
238 SVN_CONFIG_OPTION_HTTP_BULK_UPDATES,
240 svn_tristate_unknown));
242 /* Load the maximum number of parallel session connections. */
243 SVN_ERR(svn_config_get_int64(config, &session->max_connections,
244 SVN_CONFIG_SECTION_GLOBAL,
245 SVN_CONFIG_OPTION_HTTP_MAX_CONNECTIONS,
246 SVN_CONFIG_DEFAULT_OPTION_HTTP_MAX_CONNECTIONS));
248 /* Should we use chunked transfer encoding. */
249 SVN_ERR(svn_config_get_tristate(config, &chunked_requests,
250 SVN_CONFIG_SECTION_GLOBAL,
251 SVN_CONFIG_OPTION_HTTP_CHUNKED_REQUESTS,
252 "auto", svn_tristate_unknown));
254 #if SERF_VERSION_AT_LEAST(1, 4, 0) && !defined(SVN_SERF_NO_LOGGING)
255 SVN_ERR(svn_config_get_int64(config, &log_components,
256 SVN_CONFIG_SECTION_GLOBAL,
257 SVN_CONFIG_OPTION_SERF_LOG_COMPONENTS,
259 SVN_ERR(svn_config_get_int64(config, &log_level,
260 SVN_CONFIG_SECTION_GLOBAL,
261 SVN_CONFIG_OPTION_SERF_LOG_LEVEL,
265 server_group = svn_auth_get_parameter(session->auth_baton,
266 SVN_AUTH_PARAM_SERVER_GROUP);
270 SVN_ERR(svn_config_get_tristate(config, &session->using_compression,
272 SVN_CONFIG_OPTION_HTTP_COMPRESSION,
273 "auto", session->using_compression));
274 svn_config_get(config, &timeout_str, server_group,
275 SVN_CONFIG_OPTION_HTTP_TIMEOUT, timeout_str);
277 /* Load the group proxy server settings, overriding global
278 settings. We intentionally ignore 'http-proxy-exceptions'
279 here because, well, if this site was an exception, why is
280 there a per-server proxy configuration for it? */
281 svn_config_get(config, &proxy_host, server_group,
282 SVN_CONFIG_OPTION_HTTP_PROXY_HOST, proxy_host);
283 svn_config_get(config, &port_str, server_group,
284 SVN_CONFIG_OPTION_HTTP_PROXY_PORT, port_str);
285 svn_config_get(config, &session->proxy_username, server_group,
286 SVN_CONFIG_OPTION_HTTP_PROXY_USERNAME,
287 session->proxy_username);
288 svn_config_get(config, &session->proxy_password, server_group,
289 SVN_CONFIG_OPTION_HTTP_PROXY_PASSWORD,
290 session->proxy_password);
292 /* Load the group ssl settings. */
293 SVN_ERR(svn_config_get_bool(config, &session->trust_default_ca,
295 SVN_CONFIG_OPTION_SSL_TRUST_DEFAULT_CA,
296 session->trust_default_ca));
297 svn_config_get(config, &session->ssl_authorities, server_group,
298 SVN_CONFIG_OPTION_SSL_AUTHORITY_FILES,
299 session->ssl_authorities);
301 /* Load the group bulk updates flag. */
302 SVN_ERR(svn_config_get_tristate(config, &session->bulk_updates,
304 SVN_CONFIG_OPTION_HTTP_BULK_UPDATES,
306 session->bulk_updates));
308 /* Load the maximum number of parallel session connections,
309 overriding global values. */
310 SVN_ERR(svn_config_get_int64(config, &session->max_connections,
312 SVN_CONFIG_OPTION_HTTP_MAX_CONNECTIONS,
313 session->max_connections));
315 /* Should we use chunked transfer encoding. */
316 SVN_ERR(svn_config_get_tristate(config, &chunked_requests,
318 SVN_CONFIG_OPTION_HTTP_CHUNKED_REQUESTS,
319 "auto", chunked_requests));
321 #if SERF_VERSION_AT_LEAST(1, 4, 0) && !defined(SVN_SERF_NO_LOGGING)
322 SVN_ERR(svn_config_get_int64(config, &log_components,
324 SVN_CONFIG_OPTION_SERF_LOG_COMPONENTS,
326 SVN_ERR(svn_config_get_int64(config, &log_level,
328 SVN_CONFIG_OPTION_SERF_LOG_LEVEL,
333 #if SERF_VERSION_AT_LEAST(1, 4, 0) && !defined(SVN_SERF_NO_LOGGING)
334 if (log_components != SERF_LOGCOMP_NONE)
336 serf_log_output_t *output;
339 status = serf_logging_create_stream_output(&output,
341 (apr_uint32_t)log_level,
342 (apr_uint32_t)log_components,
343 SERF_LOG_DEFAULT_LAYOUT,
348 serf_logging_add_output(session->context, output);
352 /* Don't allow the http-max-connections value to be larger than our
353 compiled-in limit, or to be too small to operate. Broken
354 functionality and angry administrators are equally undesirable. */
355 if (session->max_connections > SVN_RA_SERF__MAX_CONNECTIONS_LIMIT)
356 session->max_connections = SVN_RA_SERF__MAX_CONNECTIONS_LIMIT;
357 if (session->max_connections < 2)
358 session->max_connections = 2;
360 /* Parse the connection timeout value, if any. */
361 session->timeout = apr_time_from_sec(DEFAULT_HTTP_TIMEOUT);
367 err = svn_cstring_strtoi64(&timeout, timeout_str, 0, APR_INT64_MAX, 10);
369 return svn_error_createf(SVN_ERR_BAD_CONFIG_VALUE, err,
370 _("invalid config: bad value for '%s' option"),
371 SVN_CONFIG_OPTION_HTTP_TIMEOUT);
372 session->timeout = apr_time_from_sec(timeout);
375 /* Convert the proxy port value, if any. */
379 const long int port = strtol(port_str, &endstr, 10);
382 return svn_error_create(SVN_ERR_RA_ILLEGAL_URL, NULL,
383 _("Invalid URL: illegal character in proxy "
386 return svn_error_create(SVN_ERR_RA_ILLEGAL_URL, NULL,
387 _("Invalid URL: negative proxy port number"));
389 return svn_error_create(SVN_ERR_RA_ILLEGAL_URL, NULL,
390 _("Invalid URL: proxy port number greater "
391 "than maximum TCP port number 65535"));
392 proxy_port = (apr_port_t) port;
401 apr_sockaddr_t *proxy_addr;
404 status = apr_sockaddr_info_get(&proxy_addr, proxy_host,
405 APR_UNSPEC, proxy_port, 0,
409 return svn_ra_serf__wrap_err(
410 status, _("Could not resolve proxy server '%s'"),
413 session->using_proxy = TRUE;
414 serf_config_proxy(session->context, proxy_addr);
418 session->using_proxy = FALSE;
421 /* Setup detect_chunking and using_chunked_requests based on
422 * the chunked_requests tristate */
423 if (chunked_requests == svn_tristate_unknown)
425 session->detect_chunking = TRUE;
426 session->using_chunked_requests = TRUE;
428 else if (chunked_requests == svn_tristate_true)
430 session->detect_chunking = FALSE;
431 session->using_chunked_requests = TRUE;
433 else /* chunked_requests == svn_tristate_false */
435 session->detect_chunking = FALSE;
436 session->using_chunked_requests = FALSE;
439 /* Setup authentication. */
440 SVN_ERR(load_http_auth_types(result_pool, config, server_group,
441 &session->authn_types));
442 serf_config_authn_types(session->context, session->authn_types);
443 serf_config_credentials_callback(session->context,
444 svn_ra_serf__credentials_callback);
448 #undef DEFAULT_HTTP_TIMEOUT
451 svn_ra_serf__progress(void *progress_baton, apr_off_t bytes_read,
452 apr_off_t bytes_written)
454 const svn_ra_serf__session_t *serf_sess = progress_baton;
455 if (serf_sess->progress_func)
457 serf_sess->progress_func(bytes_read + bytes_written, -1,
458 serf_sess->progress_baton,
463 /** Our User-Agent string. */
465 get_user_agent_string(apr_pool_t *pool)
467 int major, minor, patch;
468 serf_lib_version(&major, &minor, &patch);
470 return apr_psprintf(pool, "SVN/%s (%s) serf/%d.%d.%d",
471 SVN_VER_NUMBER, SVN_BUILD_TARGET,
472 major, minor, patch);
475 /* Implements svn_ra__vtable_t.open_session(). */
477 svn_ra_serf__open(svn_ra_session_t *session,
478 const char **corrected_url,
479 const char *session_URL,
480 const svn_ra_callbacks2_t *callbacks,
481 void *callback_baton,
482 svn_auth_baton_t *auth_baton,
484 apr_pool_t *result_pool,
485 apr_pool_t *scratch_pool)
488 svn_ra_serf__session_t *serf_sess;
490 const char *client_string = NULL;
494 *corrected_url = NULL;
496 serf_sess = apr_pcalloc(result_pool, sizeof(*serf_sess));
497 serf_sess->pool = result_pool;
499 SVN_ERR(svn_config_copy_config(&serf_sess->config, config, result_pool));
501 serf_sess->config = NULL;
502 serf_sess->wc_callbacks = callbacks;
503 serf_sess->wc_callback_baton = callback_baton;
504 serf_sess->auth_baton = auth_baton;
505 serf_sess->progress_func = callbacks->progress_func;
506 serf_sess->progress_baton = callbacks->progress_baton;
507 serf_sess->cancel_func = callbacks->cancel_func;
508 serf_sess->cancel_baton = callback_baton;
510 /* todo: reuse serf context across sessions */
511 serf_sess->context = serf_context_create(serf_sess->pool);
513 SVN_ERR(svn_ra_serf__blncache_create(&serf_sess->blncache,
517 SVN_ERR(svn_ra_serf__uri_parse(&url, session_URL, serf_sess->pool));
521 url.port = apr_uri_port_of_scheme(url.scheme);
523 serf_sess->session_url = url;
524 serf_sess->session_url_str = apr_pstrdup(serf_sess->pool, session_URL);
525 serf_sess->using_ssl = (svn_cstring_casecmp(url.scheme, "https") == 0);
527 serf_sess->supports_deadprop_count = svn_tristate_unknown;
529 serf_sess->capabilities = apr_hash_make(serf_sess->pool);
531 /* We have to assume that the server only supports HTTP/1.0. Once it's clear
532 HTTP/1.1 is supported, we can upgrade. */
533 serf_sess->http10 = TRUE;
534 serf_sess->http20 = FALSE;
536 /* If we switch to HTTP/1.1, then we will use chunked requests. We may disable
537 this, if we find an intervening proxy does not support chunked requests. */
538 serf_sess->using_chunked_requests = TRUE;
540 SVN_ERR(load_config(serf_sess, config, serf_sess->pool, scratch_pool));
542 serf_sess->conns[0] = apr_pcalloc(serf_sess->pool,
543 sizeof(*serf_sess->conns[0]));
544 serf_sess->conns[0]->bkt_alloc =
545 serf_bucket_allocator_create(serf_sess->pool, NULL, NULL);
546 serf_sess->conns[0]->session = serf_sess;
547 serf_sess->conns[0]->last_status_code = -1;
549 /* create the user agent string */
550 if (callbacks->get_client_string)
551 SVN_ERR(callbacks->get_client_string(callback_baton, &client_string,
555 serf_sess->useragent = apr_pstrcat(result_pool,
556 get_user_agent_string(scratch_pool),
558 client_string, SVN_VA_NULL);
560 serf_sess->useragent = get_user_agent_string(result_pool);
562 /* go ahead and tell serf about the connection. */
564 serf_connection_create2(&serf_sess->conns[0]->conn,
567 svn_ra_serf__conn_setup, serf_sess->conns[0],
568 svn_ra_serf__conn_closed, serf_sess->conns[0],
571 return svn_ra_serf__wrap_err(status, NULL);
573 /* Set the progress callback. */
574 serf_context_set_progress_cb(serf_sess->context, svn_ra_serf__progress,
577 serf_sess->num_conns = 1;
579 session->priv = serf_sess;
581 /* The following code explicitly works around a bug in serf <= r2319 / 1.3.8
582 where serf doesn't report the request as failed/cancelled when the
583 authorization request handler fails to handle the request.
585 As long as we allocate the request in a subpool of the serf connection
586 pool, we know that the handler is always cleaned before the connection.
588 Luckily our caller now passes us two pools which handle this case.
590 #if defined(SVN_DEBUG) && !SERF_VERSION_AT_LEAST(1,4,0)
591 /* Currently ensured by svn_ra_open4().
592 If failing causes segfault in basic_tests.py 48, "basic auth test" */
593 SVN_ERR_ASSERT((serf_sess->pool != scratch_pool)
594 && apr_pool_is_ancestor(serf_sess->pool, scratch_pool));
597 /* The actual latency will be determined as a part of the initial
599 serf_sess->conn_latency = -1;
601 err = svn_ra_serf__exchange_capabilities(serf_sess, corrected_url,
602 result_pool, scratch_pool);
604 /* serf should produce a usable error code instead of APR_EGENERAL */
605 if (err && err->apr_err == APR_EGENERAL)
606 err = svn_error_createf(SVN_ERR_RA_DAV_REQUEST_FAILED, err,
607 _("Connection to '%s' failed"), session_URL);
610 /* We have set up a useful connection (that doesn't indication a redirect).
611 If we've been told there is possibly a worrisome proxy in our path to the
612 server AND we switched to HTTP/1.1 (chunked requests), then probe for
613 problems in any proxy. */
614 if ((corrected_url == NULL || *corrected_url == NULL)
615 && serf_sess->detect_chunking && !serf_sess->http10)
616 SVN_ERR(svn_ra_serf__probe_proxy(serf_sess, scratch_pool));
621 /* Implements svn_ra__vtable_t.dup_session */
623 ra_serf_dup_session(svn_ra_session_t *new_session,
624 svn_ra_session_t *old_session,
625 const char *new_session_url,
626 apr_pool_t *result_pool,
627 apr_pool_t *scratch_pool)
629 svn_ra_serf__session_t *old_sess = old_session->priv;
630 svn_ra_serf__session_t *new_sess;
633 new_sess = apr_pmemdup(result_pool, old_sess, sizeof(*new_sess));
635 new_sess->pool = result_pool;
637 if (new_sess->config)
638 SVN_ERR(svn_config_copy_config(&new_sess->config, new_sess->config,
641 /* max_connections */
643 /* using_compression */
646 /* using_chunked_requests */
647 /* detect_chunking */
649 if (new_sess->useragent)
650 new_sess->useragent = apr_pstrdup(result_pool, new_sess->useragent);
652 if (new_sess->vcc_url)
653 new_sess->vcc_url = apr_pstrdup(result_pool, new_sess->vcc_url);
655 new_sess->auth_state = NULL;
656 new_sess->auth_attempts = 0;
658 /* Callback functions to get info from WC */
660 /* wc_callback_baton */
670 new_sess->pending_error = NULL;
674 /* Keys and values are static */
675 if (new_sess->capabilities)
676 new_sess->capabilities = apr_hash_copy(result_pool, new_sess->capabilities);
678 if (new_sess->activity_collection_url)
680 new_sess->activity_collection_url
681 = apr_pstrdup(result_pool, new_sess->activity_collection_url);
686 if (new_sess->proxy_username)
688 new_sess->proxy_username
689 = apr_pstrdup(result_pool, new_sess->proxy_username);
692 if (new_sess->proxy_password)
694 new_sess->proxy_password
695 = apr_pstrdup(result_pool, new_sess->proxy_password);
698 new_sess->proxy_auth_attempts = 0;
700 /* trust_default_ca */
702 if (new_sess->ssl_authorities)
704 new_sess->ssl_authorities = apr_pstrdup(result_pool,
705 new_sess->ssl_authorities);
709 new_sess->uuid = apr_pstrdup(result_pool, new_sess->uuid);
712 /* supports_deadprop_count */
714 if (new_sess->me_resource)
715 new_sess->me_resource = apr_pstrdup(result_pool, new_sess->me_resource);
716 if (new_sess->rev_stub)
717 new_sess->rev_stub = apr_pstrdup(result_pool, new_sess->rev_stub);
718 if (new_sess->txn_stub)
719 new_sess->txn_stub = apr_pstrdup(result_pool, new_sess->txn_stub);
720 if (new_sess->txn_root_stub)
721 new_sess->txn_root_stub = apr_pstrdup(result_pool,
722 new_sess->txn_root_stub);
723 if (new_sess->vtxn_stub)
724 new_sess->vtxn_stub = apr_pstrdup(result_pool, new_sess->vtxn_stub);
725 if (new_sess->vtxn_root_stub)
726 new_sess->vtxn_root_stub = apr_pstrdup(result_pool,
727 new_sess->vtxn_root_stub);
729 /* Keys and values are static */
730 if (new_sess->supported_posts)
731 new_sess->supported_posts = apr_hash_copy(result_pool,
732 new_sess->supported_posts);
734 /* ### Can we copy this? */
735 SVN_ERR(svn_ra_serf__blncache_create(&new_sess->blncache,
738 if (new_sess->server_allows_bulk)
739 new_sess->server_allows_bulk = apr_pstrdup(result_pool,
740 new_sess->server_allows_bulk);
742 if (new_sess->repos_root_str)
744 new_sess->repos_root_str = apr_pstrdup(result_pool,
745 new_sess->repos_root_str);
746 SVN_ERR(svn_ra_serf__uri_parse(&new_sess->repos_root,
747 new_sess->repos_root_str,
751 new_sess->session_url_str = apr_pstrdup(result_pool, new_session_url);
753 SVN_ERR(svn_ra_serf__uri_parse(&new_sess->session_url,
754 new_sess->session_url_str,
757 /* svn_boolean_t supports_inline_props */
758 /* supports_rev_rsrc_replay */
759 /* supports_svndiff1 */
760 /* supports_svndiff2 */
761 /* supports_put_result_checksum */
764 new_sess->context = serf_context_create(result_pool);
766 SVN_ERR(load_config(new_sess, old_sess->config,
767 result_pool, scratch_pool));
769 new_sess->conns[0] = apr_pcalloc(result_pool,
770 sizeof(*new_sess->conns[0]));
771 new_sess->conns[0]->bkt_alloc =
772 serf_bucket_allocator_create(result_pool, NULL, NULL);
773 new_sess->conns[0]->session = new_sess;
774 new_sess->conns[0]->last_status_code = -1;
776 /* go ahead and tell serf about the connection. */
778 serf_connection_create2(&new_sess->conns[0]->conn,
780 new_sess->session_url,
781 svn_ra_serf__conn_setup, new_sess->conns[0],
782 svn_ra_serf__conn_closed, new_sess->conns[0],
785 return svn_ra_serf__wrap_err(status, NULL);
787 /* Set the progress callback. */
788 serf_context_set_progress_cb(new_sess->context, svn_ra_serf__progress,
791 new_sess->num_conns = 1;
792 new_sess->cur_conn = 0;
794 new_session->priv = new_sess;
799 /* Implements svn_ra__vtable_t.reparent(). */
801 svn_ra_serf__reparent(svn_ra_session_t *ra_session,
805 svn_ra_serf__session_t *session = ra_session->priv;
808 /* If it's the URL we already have, wave our hands and do nothing. */
809 if (strcmp(session->session_url_str, url) == 0)
814 if (!session->repos_root_str)
817 SVN_ERR(svn_ra_serf__discover_vcc(&vcc_url, session, pool));
820 if (!svn_uri__is_ancestor(session->repos_root_str, url))
822 return svn_error_createf(
823 SVN_ERR_RA_ILLEGAL_URL, NULL,
824 _("URL '%s' is not a child of the session's repository root "
825 "URL '%s'"), url, session->repos_root_str);
828 SVN_ERR(svn_ra_serf__uri_parse(&new_url, url, pool));
830 /* ### Maybe we should use a string buffer for these strings so we
831 ### don't allocate memory in the session on every reparent? */
832 session->session_url.path = apr_pstrdup(session->pool, new_url.path);
833 session->session_url_str = apr_pstrdup(session->pool, url);
838 /* Implements svn_ra__vtable_t.get_session_url(). */
840 svn_ra_serf__get_session_url(svn_ra_session_t *ra_session,
844 svn_ra_serf__session_t *session = ra_session->priv;
845 *url = apr_pstrdup(pool, session->session_url_str);
849 /* Implements svn_ra__vtable_t.get_latest_revnum(). */
851 svn_ra_serf__get_latest_revnum(svn_ra_session_t *ra_session,
852 svn_revnum_t *latest_revnum,
855 svn_ra_serf__session_t *session = ra_session->priv;
857 return svn_error_trace(svn_ra_serf__get_youngest_revnum(
858 latest_revnum, session, pool));
861 /* Implementation of svn_ra_serf__rev_proplist(). */
863 serf__rev_proplist(svn_ra_session_t *ra_session,
865 const svn_ra_serf__dav_props_t *fetch_props,
866 apr_hash_t **ret_props,
867 apr_pool_t *result_pool,
868 apr_pool_t *scratch_pool)
870 svn_ra_serf__session_t *session = ra_session->priv;
872 const char *propfind_path;
873 svn_ra_serf__handler_t *handler;
875 if (SVN_RA_SERF__HAVE_HTTPV2_SUPPORT(session))
877 propfind_path = apr_psprintf(scratch_pool, "%s/%ld", session->rev_stub,
880 /* svn_ra_serf__retrieve_props() wants to added the revision as
881 a Label to the PROPFIND, which isn't really necessary when
882 querying a rev-stub URI. *Shrug* Probably okay to leave the
883 Label, but whatever. */
884 rev = SVN_INVALID_REVNUM;
888 /* Use the VCC as the propfind target path. */
889 SVN_ERR(svn_ra_serf__discover_vcc(&propfind_path, session,
893 props = apr_hash_make(result_pool);
894 SVN_ERR(svn_ra_serf__create_propfind_handler(&handler, session,
895 propfind_path, rev, "0",
897 svn_ra_serf__deliver_svn_props,
901 SVN_ERR(svn_ra_serf__context_run_one(handler, scratch_pool));
903 svn_ra_serf__keep_only_regular_props(props, scratch_pool);
910 /* Implements svn_ra__vtable_t.rev_proplist(). */
912 svn_ra_serf__rev_proplist(svn_ra_session_t *ra_session,
914 apr_hash_t **ret_props,
915 apr_pool_t *result_pool)
917 apr_pool_t *scratch_pool = svn_pool_create(result_pool);
920 err = serf__rev_proplist(ra_session, rev, all_props, ret_props,
921 result_pool, scratch_pool);
923 svn_pool_destroy(scratch_pool);
924 return svn_error_trace(err);
928 /* Implements svn_ra__vtable_t.rev_prop(). */
930 svn_ra_serf__rev_prop(svn_ra_session_t *session,
933 svn_string_t **value,
934 apr_pool_t *result_pool)
936 apr_pool_t *scratch_pool = svn_pool_create(result_pool);
938 svn_ra_serf__dav_props_t specific_props[2];
939 const svn_ra_serf__dav_props_t *fetch_props = all_props;
941 /* The DAV propfind doesn't allow property fetches for any property name
942 as there is no defined way to quote values. If we are just fetching a
943 "svn:property" we can safely do this. In other cases we just fetch all
944 revision properties and filter the right one out */
945 if (strncmp(name, SVN_PROP_PREFIX, sizeof(SVN_PROP_PREFIX)-1) == 0
946 && !strchr(name + sizeof(SVN_PROP_PREFIX)-1, ':'))
948 specific_props[0].xmlns = SVN_DAV_PROP_NS_SVN;
949 specific_props[0].name = name + sizeof(SVN_PROP_PREFIX)-1;
950 specific_props[1].xmlns = NULL;
951 specific_props[1].name = NULL;
953 fetch_props = specific_props;
956 SVN_ERR(serf__rev_proplist(session, rev, fetch_props, &props,
957 result_pool, scratch_pool));
959 *value = svn_hash_gets(props, name);
961 svn_pool_destroy(scratch_pool);
967 svn_ra_serf__get_repos_root(svn_ra_session_t *ra_session,
971 svn_ra_serf__session_t *session = ra_session->priv;
973 if (!session->repos_root_str)
976 SVN_ERR(svn_ra_serf__discover_vcc(&vcc_url, session, pool));
979 *url = session->repos_root_str;
983 /* TODO: to fetch the uuid from the repository, we need:
984 1. a path that exists in HEAD
985 2. a path that's readable
987 get_uuid handles the case where a path doesn't exist in HEAD and also the
988 case where the root of the repository is not readable.
989 However, it does not handle the case where we're fetching path not existing
990 in HEAD of a repository with unreadable root directory.
992 Implements svn_ra__vtable_t.get_uuid().
995 svn_ra_serf__get_uuid(svn_ra_session_t *ra_session,
999 svn_ra_serf__session_t *session = ra_session->priv;
1003 const char *vcc_url;
1005 /* We should never get here if we have HTTP v2 support, because
1006 any server with that support should be transmitting the
1007 UUID in the initial OPTIONS response. */
1008 SVN_ERR_ASSERT(! SVN_RA_SERF__HAVE_HTTPV2_SUPPORT(session));
1010 /* We're not interested in vcc_url and relative_url, but this call also
1011 stores the repository's uuid in the session. */
1012 SVN_ERR(svn_ra_serf__discover_vcc(&vcc_url, session, pool));
1015 return svn_error_create(SVN_ERR_RA_DAV_RESPONSE_HEADER_BADNESS, NULL,
1016 _("The UUID property was not found on the "
1017 "resource or any of its parents"));
1021 *uuid = session->uuid;
1023 return SVN_NO_ERROR;
1027 static const svn_ra__vtable_t serf_vtable = {
1029 ra_serf_get_description,
1030 ra_serf_get_schemes,
1032 ra_serf_dup_session,
1033 svn_ra_serf__reparent,
1034 svn_ra_serf__get_session_url,
1035 svn_ra_serf__get_latest_revnum,
1036 svn_ra_serf__get_dated_revision,
1037 svn_ra_serf__change_rev_prop,
1038 svn_ra_serf__rev_proplist,
1039 svn_ra_serf__rev_prop,
1040 svn_ra_serf__get_commit_editor,
1041 svn_ra_serf__get_file,
1042 svn_ra_serf__get_dir,
1043 svn_ra_serf__get_mergeinfo,
1044 svn_ra_serf__do_update,
1045 svn_ra_serf__do_switch,
1046 svn_ra_serf__do_status,
1047 svn_ra_serf__do_diff,
1048 svn_ra_serf__get_log,
1049 svn_ra_serf__check_path,
1051 svn_ra_serf__get_uuid,
1052 svn_ra_serf__get_repos_root,
1053 svn_ra_serf__get_locations,
1054 svn_ra_serf__get_location_segments,
1055 svn_ra_serf__get_file_revs,
1057 svn_ra_serf__unlock,
1058 svn_ra_serf__get_lock,
1059 svn_ra_serf__get_locks,
1060 svn_ra_serf__replay,
1061 svn_ra_serf__has_capability,
1062 svn_ra_serf__replay_range,
1063 svn_ra_serf__get_deleted_rev,
1064 svn_ra_serf__get_inherited_props,
1065 NULL /* set_svn_ra_open */,
1067 svn_ra_serf__register_editor_shim_callbacks,
1068 NULL /* commit_ev2 */,
1069 NULL /* replay_range_ev2 */
1073 svn_ra_serf__init(const svn_version_t *loader_version,
1074 const svn_ra__vtable_t **vtable,
1077 static const svn_version_checklist_t checklist[] =
1079 { "svn_subr", svn_subr_version },
1080 { "svn_delta", svn_delta_version },
1087 SVN_ERR(svn_ver_check_list2(ra_serf_version(), checklist, svn_ver_equal));
1089 /* Simplified version check to make sure we can safely use the
1090 VTABLE parameter. The RA loader does a more exhaustive check. */
1091 if (loader_version->major != SVN_VER_MAJOR)
1093 return svn_error_createf(
1094 SVN_ERR_VERSION_MISMATCH, NULL,
1095 _("Unsupported RA loader version (%d) for ra_serf"),
1096 loader_version->major);
1099 /* Make sure that we have loaded a compatible library: the MAJOR must
1100 match, and the minor must be at *least* what we compiled against.
1101 The patch level is simply ignored. */
1102 serf_lib_version(&serf_major, &serf_minor, &serf_patch);
1103 if (serf_major != SERF_MAJOR_VERSION
1104 || serf_minor < SERF_MINOR_VERSION)
1106 return svn_error_createf(
1107 /* ### should return a unique error */
1108 SVN_ERR_VERSION_MISMATCH, NULL,
1109 _("ra_serf was compiled for serf %d.%d.%d but loaded "
1110 "an incompatible %d.%d.%d library"),
1111 SERF_MAJOR_VERSION, SERF_MINOR_VERSION, SERF_PATCH_VERSION,
1112 serf_major, serf_minor, serf_patch);
1115 *vtable = &serf_vtable;
1117 return SVN_NO_ERROR;
1120 /* Compatibility wrapper for pre-1.2 subversions. Needed? */
1121 #define NAME "ra_serf"
1122 #define DESCRIPTION RA_SERF_DESCRIPTION
1123 #define VTBL serf_vtable
1124 #define INITFUNC svn_ra_serf__init
1125 #define COMPAT_INITFUNC svn_ra_serf_init
1126 #include "../libsvn_ra/wrapper_template.h"