int
svn_cstring_casecmp(const char *str1, const char *str2)
{
for (;;)
{
const int a = *str1++;
const int b = *str2++;
const int cmp = svn_ctype_casecmp(a, b);
if (cmp || !a || !b)
return cmp;
}
}
/* This implements serf_bucket_headers_do_callback_fn_t.
*/
static int
capabilities_headers_iterator_callback(void *baton,
const char *key,
const char *val)
{
options_context_t *opt_ctx = baton;
svn_ra_serf__session_t *session = opt_ctx->session;
if (svn_cstring_casecmp(key, "dav") == 0)
{
/* Each header may contain multiple values, separated by commas, e.g.:
DAV: version-control,checkout,working-resource
DAV: merge,baseline,activity,version-controlled-collection
DAV: http://subversion.tigris.org/xmlns/dav/svn/depth */
apr_array_header_t *vals = svn_cstring_split(val, ",", TRUE,
opt_ctx->pool);
opt_ctx->received_dav_header = TRUE;
/* Right now we only have a few capabilities to detect, so just
seek for them directly. This could be written slightly more
efficiently, but that wouldn't be worth it until we have many
more capabilities. */
if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_DEPTH, vals))
{
svn_hash_sets(session->capabilities,
SVN_RA_CAPABILITY_DEPTH, capability_yes);
}
if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_MERGEINFO, vals))
{
/* The server doesn't know what repository we're referring
to, so it can't just say capability_yes. */
if (!svn_hash_gets(session->capabilities,
SVN_RA_CAPABILITY_MERGEINFO))
{
svn_hash_sets(session->capabilities, SVN_RA_CAPABILITY_MERGEINFO,
capability_server_yes);
}
}
if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_LOG_REVPROPS, vals))
{
svn_hash_sets(session->capabilities,
SVN_RA_CAPABILITY_LOG_REVPROPS, capability_yes);
}
if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_ATOMIC_REVPROPS, vals))
{
svn_hash_sets(session->capabilities,
SVN_RA_CAPABILITY_ATOMIC_REVPROPS, capability_yes);
}
if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_PARTIAL_REPLAY, vals))
{
svn_hash_sets(session->capabilities,
SVN_RA_CAPABILITY_PARTIAL_REPLAY, capability_yes);
}
if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_INHERITED_PROPS, vals))
{
svn_hash_sets(session->capabilities,
SVN_RA_CAPABILITY_INHERITED_PROPS, capability_yes);
}
if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_REVERSE_FILE_REVS,
vals))
{
svn_hash_sets(session->capabilities,
SVN_RA_CAPABILITY_GET_FILE_REVS_REVERSE,
capability_yes);
}
if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_EPHEMERAL_TXNPROPS, vals))
{
svn_hash_sets(session->capabilities,
SVN_RA_CAPABILITY_EPHEMERAL_TXNPROPS, capability_yes);
}
if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_INLINE_PROPS, vals))
{
session->supports_inline_props = TRUE;
}
if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_REPLAY_REV_RESOURCE, vals))
{
session->supports_rev_rsrc_replay = TRUE;
}
if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_SVNDIFF1, vals))
{
/* Use compressed svndiff1 format for servers that properly
advertise this capability (Subversion 1.10 and greater). */
session->supports_svndiff1 = TRUE;
}
if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_LIST, vals))
{
svn_hash_sets(session->capabilities,
SVN_RA_CAPABILITY_LIST, capability_yes);
}
if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_SVNDIFF2, vals))
{
/* Same for svndiff2. */
session->supports_svndiff2 = TRUE;
}
if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_PUT_RESULT_CHECKSUM, vals))
{
session->supports_put_result_checksum = TRUE;
}
}
/* SVN-specific headers -- if present, server supports HTTP protocol v2 */
else if (!svn_ctype_casecmp(key[0], 'S')
&& !svn_ctype_casecmp(key[1], 'V')
&& !svn_ctype_casecmp(key[2], 'N'))
{
/* If we've not yet seen any information about supported POST
requests, we'll initialize the list/hash with "create-txn"
(which we know is supported by virtue of the server speaking
HTTPv2 at all. */
if (! session->supported_posts)
{
session->supported_posts = apr_hash_make(session->pool);
apr_hash_set(session->supported_posts, "create-txn", 10, (void *)1);
}
if (svn_cstring_casecmp(key, SVN_DAV_ROOT_URI_HEADER) == 0)
{
session->repos_root = session->session_url;
session->repos_root.path =
(char *)svn_fspath__canonicalize(val, session->pool);
session->repos_root_str =
svn_urlpath__canonicalize(
apr_uri_unparse(session->pool, &session->repos_root, 0),
session->pool);
}
else if (svn_cstring_casecmp(key, SVN_DAV_ME_RESOURCE_HEADER) == 0)
{
#ifdef SVN_DEBUG
char *ignore_v2_env_var = getenv(SVN_IGNORE_V2_ENV_VAR);
if (!(ignore_v2_env_var
&& apr_strnatcasecmp(ignore_v2_env_var, "yes") == 0))
session->me_resource = apr_pstrdup(session->pool, val);
#else
session->me_resource = apr_pstrdup(session->pool, val);
#endif
}
else if (svn_cstring_casecmp(key, SVN_DAV_REV_STUB_HEADER) == 0)
{
session->rev_stub = apr_pstrdup(session->pool, val);
}
else if (svn_cstring_casecmp(key, SVN_DAV_REV_ROOT_STUB_HEADER) == 0)
{
session->rev_root_stub = apr_pstrdup(session->pool, val);
}
else if (svn_cstring_casecmp(key, SVN_DAV_TXN_STUB_HEADER) == 0)
{
session->txn_stub = apr_pstrdup(session->pool, val);
}
else if (svn_cstring_casecmp(key, SVN_DAV_TXN_ROOT_STUB_HEADER) == 0)
{
session->txn_root_stub = apr_pstrdup(session->pool, val);
}
else if (svn_cstring_casecmp(key, SVN_DAV_VTXN_STUB_HEADER) == 0)
{
session->vtxn_stub = apr_pstrdup(session->pool, val);
}
else if (svn_cstring_casecmp(key, SVN_DAV_VTXN_ROOT_STUB_HEADER) == 0)
{
session->vtxn_root_stub = apr_pstrdup(session->pool, val);
}
else if (svn_cstring_casecmp(key, SVN_DAV_REPOS_UUID_HEADER) == 0)
{
session->uuid = apr_pstrdup(session->pool, val);
}
else if (svn_cstring_casecmp(key, SVN_DAV_YOUNGEST_REV_HEADER) == 0)
{
opt_ctx->youngest_rev = SVN_STR_TO_REV(val);
}
else if (svn_cstring_casecmp(key, SVN_DAV_ALLOW_BULK_UPDATES) == 0)
{
session->server_allows_bulk = apr_pstrdup(session->pool, val);
}
else if (svn_cstring_casecmp(key, SVN_DAV_SUPPORTED_POSTS_HEADER) == 0)
{
/* May contain multiple values, separated by commas. */
int i;
apr_array_header_t *vals = svn_cstring_split(val, ",", TRUE,
session->pool);
for (i = 0; i < vals->nelts; i++)
{
const char *post_val = APR_ARRAY_IDX(vals, i, const char *);
svn_hash_sets(session->supported_posts, post_val, (void *)1);
}
}
else if (svn_cstring_casecmp(key, SVN_DAV_REPOSITORY_MERGEINFO) == 0)
