static Hbf_State _hbf_transfer_no_chunk(ne_session *session, hbf_transfer_t *transfer, const char *verb) {
int res;
const ne_status* req_status;
ne_request *req = ne_request_create(session, verb ? verb : "PUT", transfer->url);
if (!req)
return HBF_MEMORY_FAIL;
ne_add_request_header( req, "Content-Type", "application/octet-stream");
ne_set_request_body_fd(req, transfer->fd, 0, transfer->stat_size);
DEBUG_HBF("HBF: chunking not supported for %s", transfer->url);
res = ne_request_dispatch(req);
req_status = ne_get_status( req );
if (res == NE_OK && req_status->klass == 2) {
ne_request_destroy(req);
return HBF_SUCCESS;
}
if( transfer->error_string ) free( transfer->error_string );
transfer->error_string = strdup( ne_get_error(session) );
transfer->status_code = req_status->code;
ne_request_destroy(req);
return HBF_FAIL;
}
static GByteArray*
_download_to_gba(ne_session *session, const gchar *path_url, GError **error)
{
GByteArray *gba;
ne_request *http_request;
DEBUG("About to download [%s] into a memory buffer", path_url);
gba = g_byte_array_new();
http_request = _build_request(session, path_url);
ne_add_response_body_reader(http_request, ne_accept_2xx, read_to_gba, gba);
switch (ne_request_dispatch(http_request)) {
case NE_OK:
if (ne_get_status(http_request)->klass != 2) {
GSETERROR (error, "Failed to download '%s': %s", path_url, ne_get_error(session));
g_byte_array_free(gba, TRUE);
gba = NULL;
}
break;
case NE_AUTH:
case NE_CONNECT:
case NE_TIMEOUT:
case NE_ERROR:
default:
GSETERROR(error,"Failed download '%s': %s", path_url, ne_get_error(session));
g_byte_array_free(gba, TRUE);
gba = NULL;
break;
}
ne_request_destroy(http_request);
return gba;
}
int ne_getmodtime(ne_session *sess, const char *uri, time_t *modtime)
{
ne_request *req = ne_request_create(sess, "HEAD", uri);
const char *value;
int ret;
ret = ne_request_dispatch(req);
value = ne_get_response_header(req, "Last-Modified");
if (ret == NE_OK && ne_get_status(req)->klass != 2) {
*modtime = -1;
ret = NE_ERROR;
}
else if (value) {
*modtime = ne_httpdate_parse(value);
}
else {
*modtime = -1;
}
ne_request_destroy(req);
return ret;
}
int ne_xml_dispatch_request(ne_request *req, ne_xml_parser *parser)
{
int ret;
do {
int parseit = 0;
ret = ne_begin_request(req);
if (ret) break;
if (ne_get_status(req)->klass == 2) {
ne_content_type ctype;
if (ne_get_content_type(req, &ctype) == 0) {
parseit = media_type_is_xml(&ctype);
ne_free(ctype.value);
}
}
if (parseit)
ret = ne_xml_parse_response(req, parser);
else
ret = ne_discard_response(req);
if (ret == NE_OK)
ret = ne_end_request(req);
} while (ret == NE_RETRY);
return ret;
}
static int get_range_common(ne_session *sess, const char *req_uri,
const char *brange, char *buf, ssize_t *bytes_read)
{
ne_request *req = ne_request_create(sess, "GET", req_uri);
const ne_status *status;
int ret;
ne_add_request_header(req, "Range", brange);
ne_add_request_header(req, "Accept-Ranges", "bytes");
ret = dispatch_to_buffer(sess, req, buf, brange, bytes_read);
status = ne_get_status(req);
if (ret == NE_OK && status->code == 416) {
/* connection is terminated too early with Apache/1.3, so we check
* this even if ret == NE_ERROR... */
ne_set_error(sess, "Range is not satisfiable");
ret = NE_ERROR;
}
else if (ret == NE_OK) {
if (status->klass == 2 && status->code != 206) {
ne_set_error(sess, "Resource does not support ranged GET requests");
ret = NE_ERROR;
}
else if (status->klass != 2) {
ret = NE_ERROR;
}
}
ne_request_destroy(req);
return ret;
}
void get(const StringSlice& url, WriteTarget out) {
static int inited = ne_sock_init();
if (inited != 0) {
throw Exception("ne_sock_init()");
}
CString cstr(url);
ne_uri uri = {};
if (ne_uri_parse(cstr.data(), &uri)) {
throw Exception("ne_uri_parse()");
}
if (uri.port == 0) {
uri.port = ne_uri_defaultport(uri.scheme);
}
unique_ptr<ne_uri, decltype(&ne_uri_free)> uri_free(&uri, ne_uri_free);
unique_ptr<ne_session, decltype(&ne_session_destroy)> sess(
ne_session_create(uri.scheme, uri.host, uri.port), ne_session_destroy);
unique_ptr<ne_request, decltype(&ne_request_destroy)> req(
ne_request_create(sess.get(), "GET", uri.path), ne_request_destroy);
ne_userdata userdata = {out};
ne_add_response_body_reader(req.get(), accept, reader, &userdata);
auto err = ne_request_dispatch(req.get());
if (err != NE_OK) {
throw Exception("ne_request_dispatch()");
}
auto* st = ne_get_status(req.get());
if (st->code != 200) {
throw Exception(st->code);
}
}
int s3_delete_object(S3 *s3,const char *bucket,const char *key)
{
ne_request *req;
int err, retry;
if(!s3) return -1;
if(!bucket) return -1;
s3_begin_session(s3);
req = s3_new_request(s3,"DELETE",bucket,key,NULL,NULL);
// send to server
do {
err = ne_begin_request(req);
if(err != NE_OK) err = -EIO;
else {
if(ne_get_status(req)->code != 204) {
s3_handle_error_response(s3,req);
err = -EACCES;
}
retry = ne_end_request(req);
}
} while(retry == NE_RETRY);
ne_request_destroy(req);
s3_end_session(s3);
return err;
}
static int large_get(void)
{
ne_request *req = ne_request_create(i_session, "GET", path);
char buffer[BLOCKSIZE], origin[BLOCKSIZE * 2];
long long progress = 0;
ssize_t offset = 0;
ssize_t bytes;
memcpy(origin, block, BLOCKSIZE);
memcpy(origin + BLOCKSIZE, block, BLOCKSIZE);
ONNREQ("begin large GET request", ne_begin_request(req));
ONNREQ("failed GET request", ne_get_status(req)->klass != 2);
while ((bytes = ne_read_response_block(req, buffer, BLOCKSIZE)) > 0) {
ONV(memcmp(origin + offset, buffer, bytes),
("byte mismatch at %" NE_FMT_LONG_LONG, progress));
offset = (offset + bytes) % BLOCKSIZE;
progress += bytes;
}
ONNREQ("failed reading GET response", bytes < 0);
ONNREQ("end large GET request", ne_end_request(req));
ne_request_destroy(req);
return OK;
}
/* Dispatch a GET request REQ, writing the response body to FD fd. If
* RANGE is non-NULL, then it is the value of the Range request
* header, e.g. "bytes=1-5". Returns an NE_* error code. */
static int dispatch_to_fd(ne_request *req, int fd, const char *range)
{
ne_session *const sess = ne_get_session(req);
const ne_status *const st = ne_get_status(req);
int ret;
do {
const char *value;
ret = ne_begin_request(req);
if (ret != NE_OK) break;
value = ne_get_response_header(req, "Content-Range");
/* For a 206 response, check that a Content-Range header is
* given which matches the Range request header. */
if (range && st->code == 206
&& (value == NULL || strncmp(value, "bytes ", 6) != 0
|| strcmp(range + 6, value + 6))) {
ne_set_error(sess, _("Response did not include requested range"));
return NE_ERROR;
}
if ((range && st->code == 206) || (!range && st->klass == 2)) {
ret = ne_read_response_to_fd(req, fd);
} else {
ret = ne_discard_response(req);
}
if (ret == NE_OK) ret = ne_end_request(req);
} while (ret == NE_RETRY);
return ret;
}
/* PUT's from fd to URI */
int ne_put(ne_session *sess, const char *uri, int fd)
{
ne_request *req;
struct stat st;
int ret;
if (fstat(fd, &st)) {
int errnum = errno;
char buf[200];
ne_set_error(sess, _("Could not determine file size: %s"),
ne_strerror(errnum, buf, sizeof buf));
return NE_ERROR;
}
req = ne_request_create(sess, "PUT", uri);
#ifdef NE_HAVE_DAV
ne_lock_using_resource(req, uri, 0);
ne_lock_using_parent(req, uri);
#endif
ne_set_request_body_fd(req, fd, 0, st.st_size);
ret = ne_request_dispatch(req);
if (ret == NE_OK && ne_get_status(req)->klass != 2)
ret = NE_ERROR;
ne_request_destroy(req);
return ret;
}
/* Perform a conditional PUT request with given If: header value,
* placing response status-code in *code and class in *klass. Fails
* if requests cannot be dispatched. */
static int conditional_put(const char *ifhdr, int *klass, int *code)
{
ne_request *req;
req = ne_request_create(i_session, "PUT", res);
ne_set_request_body_fd(req, i_foo_fd, 0, i_foo_len);
ne_print_request_header(req, "If", "%s", ifhdr);
ONMREQ("PUT", res, ne_request_dispatch(req));
if (code) *code = ne_get_status(req)->code;
if (klass) *klass = ne_get_status(req)->klass;
ne_request_destroy(req);
return OK;
}
int any_2xx_request(ne_session *sess, const char *uri)
{
ne_request *req = ne_request_create(sess, "GET", uri);
int ret = ne_request_dispatch(req);
int klass = ne_get_status(req)->klass;
ne_request_destroy(req);
ONV(ret != NE_OK || klass != 2,
("request failed: %s", ne_get_error(sess)));
return ret;
}
int s3_get_bucket(S3 *s3,const char *bucket,
const char *prefix,const char *marker,int max_keys,const char *delimiter,
const S3KeyInfoCallback *key_info_cb)
{
ne_request *req;
int err, retry;
ne_buffer *params;
if(!s3) return -1;
if(!bucket) return -1;
params = ne_buffer_create();
if(prefix) ne_buffer_concat(params,"prefix=",prefix,"/&",NULL);
if(marker) ne_buffer_concat(params,"marker=",marker,"&",NULL);
if(max_keys >= 0) {
char mk[16];
snprintf(mk,16,"%d",max_keys);
mk[15] = 0;
ne_buffer_concat(params,"max_keys=",max_keys,"&",NULL);
}
if(delimiter) ne_buffer_concat(params,"delimiter=",delimiter,"&",NULL);
s3_begin_session(s3);
req = s3_new_request(s3,"GET",bucket,NULL,params->data,NULL);
ne_buffer_destroy(params);
// send to server
do {
err = ne_begin_request(req);
if(err != NE_OK) err = -EIO;
else {
if(ne_get_status(req)->code != 200) {
s3_handle_error_response(s3,req);
err = -EACCES;
} else {
s3->key_info.key_info_cb = key_info_cb;
s3_parse_xml_response(s3,
req,
s3_xml_key_info_startelm,
s3_xml_key_info_cdata,
s3_xml_key_info_endelm,
&s3->key_info
);
}
retry = ne_end_request(req);
}
} while(retry == NE_RETRY);
ne_request_destroy(req);
s3_end_session(s3);
return err;
}
int s3_head_object(S3 *s3,const char *bucket,const char *key,S3ObjectInfo *oi)
{
ne_request *req;
int err;
if(!s3) return -1;
if(!bucket) return -1;
s3_begin_session(s3);
req = s3_new_request(s3,"HEAD",bucket,key,NULL,NULL);
// send to server
err = ne_request_dispatch(req);
if(err != NE_OK) err = -EIO;
if(ne_get_status(req)->code != 200) {
s3_handle_error_response(s3,req);
if(ne_get_status(req)->code == 404) err = -ENOENT;
else err = -EACCES;
} else if(oi) {
const char *str;
str = ne_get_response_header(req,"Content-Length");
if(str) oi->content_length = strtol(str,NULL,10);
str = ne_get_response_header(req,"Content-Type");
if(str) {
strncpy(oi->content_type,str,31);
oi->content_type[31] = 0;
}
str = ne_get_response_header(req,"ETag");
if(str) {
strncpy(oi->etag,str,79);
oi->etag[79] = 0;
}
}
ne_request_destroy(req);
s3_end_session(s3);
return err;
}
int s3_get_object(S3 *s3,const char *bucket,const char *key,const S3WriteCallback *wcb)
{
ne_request *req;
int err, retry;
if(!s3) return -1;
if(!bucket) return -1;
if(!wcb) return -1;
s3_begin_session(s3);
req = s3_new_request(s3,"GET",bucket,key,NULL,NULL);
// send to server
do {
err = ne_begin_request(req);
if(err != NE_OK) err = -EIO;
else {
if(ne_get_status(req)->code != 200) {
s3_handle_error_response(s3,req);
if(ne_get_status(req)->code == 404) err = -ENOENT;
else err = -EACCES;
} else {
char buffer[4096];
size_t bytes_read;
while((bytes_read = ne_read_response_block(req,buffer,4096)) > 0) {
wcb->callback(wcb->userdata,buffer,bytes_read);
}
}
retry = ne_end_request(req);
}
} while(retry == NE_RETRY);
ne_request_destroy(req);
s3_end_session(s3);
return err;
}
int any_2xx_request_body(ne_session *sess, const char *uri)
{
ne_request *req = ne_request_create(sess, "GET", uri);
#define BSIZE 5000
char *body = memset(ne_malloc(BSIZE), 'A', BSIZE);
int ret;
ne_set_request_body_buffer(req, body, BSIZE);
ret = ne_request_dispatch(req);
ne_free(body);
ONV(ret != NE_OK || ne_get_status(req)->klass != 2,
("request failed: %s", ne_get_error(sess)));
ne_request_destroy(req);
return ret;
}
/* Get to given fd */
int ne_get(ne_session *sess, const char *uri, int fd)
{
ne_request *req = ne_request_create(sess, "GET", uri);
int ret;
ret = dispatch_to_fd(req, fd, NULL);
if (ret == NE_OK && ne_get_status(req)->klass != 2) {
ret = NE_ERROR;
}
ne_request_destroy(req);
return ret;
}
/* Dispatch a GET request REQ, writing the response body to FD fd. If
* RANGE is non-NULL, then it is the value of the Range request
* header, e.g. "bytes=1-5". Returns an NE_* error code. */
static int dispatch_to_fd(ne_request *req, int fd, const char *range)
{
ne_session *const sess = ne_get_session(req);
const ne_status *const st = ne_get_status(req);
int ret;
do {
const char *value;
ret = ne_begin_request(req);
if (ret != NE_OK) break;
value = ne_get_response_header(req, "Content-Range");
/* For a 206 response, check that a Content-Range header is
* given which matches the Range request header. */
if (range && st->code == 206) {
int err = 0;
if (value == NULL || strncmp(value, "bytes ", 6) != 0) {
err++;
} else {
/* If the response gives a range begin-end/total, limit
* the comparison to the range itself. */
int len = strlen(value);
char *cp = strchr(value, '/');
if (cp != NULL)
len = (int)(cp - value);
len -= 6;
if (strncmp(range + 6, value + 6, len))
err++;
}
if (err) {
ne_set_error(sess, _("Response did not include requested range"));
return NE_ERROR;
}
}
if ((range && st->code == 206) || (!range && st->klass == 2)) {
ret = ne_read_response_to_fd(req, fd);
} else {
ret = ne_discard_response(req);
}
if (ret == NE_OK) ret = ne_end_request(req);
} while (ret == NE_RETRY);
return ret;
}
int ne_options(ne_session *sess, const char *uri, ne_server_capabilities *caps)
{
ne_request *req = ne_request_create(sess, "OPTIONS", uri);
int ret = ne_request_dispatch(req);
const char *header = ne_get_response_header(req, "DAV");
if (header) parse_dav_header(header, caps);
if (ret == NE_OK && ne_get_status(req)->klass != 2) {
ret = NE_ERROR;
}
ne_request_destroy(req);
return ret;
}
/* Get to given fd */
int ne_post(ne_session *sess, const char *uri, int fd, const char *buffer)
{
ne_request *req = ne_request_create(sess, "POST", uri);
int ret;
ne_set_request_body_buffer(req, buffer, strlen(buffer));
ret = dispatch_to_fd(req, fd, NULL);
if (ret == NE_OK && ne_get_status(req)->klass != 2) {
ret = NE_ERROR;
}
ne_request_destroy(req);
return ret;
}
int ne_lock_refresh(ne_session *sess, struct ne_lock *lock)
{
ne_request *req = ne_request_create(sess, "LOCK", lock->uri.path);
ne_xml_parser *parser = ne_xml_create();
int ret;
struct lock_ctx ctx;
memset(&ctx, 0, sizeof ctx);
ctx.cdata = ne_buffer_create();
ctx.req = req;
ctx.token = lock->token;
/* Handle the response and update *lock appropriately. */
ne_xml_push_handler(parser, lk_startelm, lk_cdata, lk_endelm, &ctx);
/* For a lock refresh, submitting only this lock token must be
* sufficient. */
ne_print_request_header(req, "If", "(<%s>)", lock->token);
add_timeout_header(req, lock->timeout);
ret = ne_xml_dispatch_request(req, parser);
if (ret == NE_OK) {
if (ne_get_status(req)->klass != 2) {
ret = NE_ERROR; /* and use default session error */
} else if (ne_xml_failed(parser)) {
ret = NE_ERROR;
ne_set_error(sess, "%s", ne_xml_get_error(parser));
} else if (!ctx.found) {
ne_set_error(sess, _("No activelock for <%s> returned in "
"LOCK refresh response"), lock->token);
ret = NE_ERROR;
} else /* success! */ {
/* update timeout for passed-in lock structure. */
lock->timeout = ctx.active.timeout;
}
}
ne_lock_free(&ctx.active);
ne_buffer_destroy(ctx.cdata);
ne_request_destroy(req);
ne_xml_destroy(parser);
return ret;
}
int ne_get_range(ne_session *sess, const char *uri,
ne_content_range *range, int fd)
{
ne_request *req = ne_request_create(sess, "GET", uri);
const ne_status *status;
int ret;
char brange[64];
if (range->end == -1) {
ne_snprintf(brange, sizeof brange, "bytes=%" NE_FMT_OFF_T "-",
range->start);
}
else {
ne_snprintf(brange, sizeof brange,
"bytes=%" NE_FMT_OFF_T "-%" NE_FMT_OFF_T,
range->start, range->end);
}
ne_add_request_header(req, "Range", brange);
ne_add_request_header(req, "Accept-Ranges", "bytes");
ret = dispatch_to_fd(req, fd, brange);
status = ne_get_status(req);
if (ret == NE_OK && status->code == 416) {
/* connection is terminated too early with Apache/1.3, so we check
* this even if ret == NE_ERROR... */
ne_set_error(sess, _("Range is not satisfiable"));
ret = NE_ERROR;
}
else if (ret == NE_OK) {
if (status->klass == 2 && status->code != 206) {
ne_set_error(sess, _("Resource does not support ranged GETs."));
ret = NE_ERROR;
}
else if (status->klass != 2) {
ret = NE_ERROR;
}
}
ne_request_destroy(req);
return ret;
}
static gboolean _ne_request(const char *host, int port, const char *target,
const char *method, GSList *headers, GError **err)
{
GRID_TRACE("%s", __FUNCTION__);
gboolean result = FALSE;
ne_session* session = ne_session_create("http", host, port);
ne_set_connect_timeout(session, 10);
ne_set_read_timeout(session, 30);
GRID_DEBUG("%s http://%s:%d%s", method, host, port, target);
ne_request* req = ne_request_create(session, method, target);
if (NULL != req) {
for (GSList *l = headers; l; l = l->next) {
gchar **toks = g_strsplit(l->data, ":", 2);
ne_add_request_header(req, toks[0], toks[1]);
g_strfreev(toks);
}
switch (ne_request_dispatch(req)) {
case NE_OK:
if (ne_get_status(req)->klass != 2) {
*err = NEWERROR(0, "cannot %s '%s' (%s)", method, target,
ne_get_error(session));
} else {
result = TRUE;
}
break;
case NE_AUTH:
case NE_CONNECT:
case NE_TIMEOUT:
case NE_ERROR:
default:
*err = NEWERROR(0,
"unexpected error from the WebDAV server (%s)",
ne_get_error(session));
break;
}
ne_request_destroy(req);
} else {
// This should be an assertion
*err = NEWERROR(0, "Failed to create request");
}
ne_session_destroy (session);
return result;
}
static int large_put(void)
{
ne_request *req = ne_request_create(i_session, "PUT", path);
int count, ret;
#ifdef NE_LFS
ne_set_request_body_provider64(req, TOTALSIZE, provider, &count);
#else
ne_set_request_body_provider(req, TOTALSIZE, provider, &count);
#endif
ret = ne_request_dispatch(req);
ONNREQ("large PUT request", ret || ne_get_status(req)->klass != 2);
ne_request_destroy(req);
return OK;
}
int ne_xml_dispatch_request(ne_request *req, ne_xml_parser *parser)
{
int ret;
do {
ret = ne_begin_request(req);
if (ret) break;
if (ne_get_status(req)->klass == 2)
ret = ne_xml_parse_response(req, parser);
else
ret = ne_discard_response(req);
if (ret == NE_OK)
ret = ne_end_request(req);
} while (ret == NE_RETRY);
return ret;
}
/* sends a small segment of the file from a high offset. */
static int send_high_offset(void)
{
int ret, fd = open64(SPARSE, O_RDONLY);
ne_session *sess;
ne_request *req;
ONN("could not open sparse file", fd < 0);
CALL(make_session(&sess, serve_check_body, NULL));
req = ne_request_create(sess, "PUT", "/sparse");
ne_set_request_body_fd64(req, fd, point, strlen(data));
ret = ne_request_dispatch(req);
CALL(await_server());
ONV(ret != NE_OK || ne_get_status(req)->klass != 2,
("request failed: %s", ne_get_error(sess)));
ne_request_destroy(req);
ne_session_destroy(sess);
close(fd);
return OK;
}
int s3_put_object(S3 *s3,const char *bucket,const char *key,const char *content_type,int content_length,const S3ReadCallback *rcb)
{
ne_request *req;
int err, retry;
if(!s3) return -1;
if(!bucket) return -1;
if(!rcb) return -1;
s3_begin_session(s3);
req = s3_new_request(s3,"PUT",bucket,key,NULL,content_type);
ne_print_request_header(req,"Content-Length","%d",content_length);
#ifdef NE_LFS
ne_set_request_body_provider64(req,content_length,rcb->callback,rcb->userdata);
#else
ne_set_request_body_provider(req,content_length,rcb->callback,rcb->userdata);
#endif
//ne_set_request_body_buffer(req,"hello",5);
// send to server
do {
err = ne_begin_request(req);
if(err != NE_OK) err = -EIO;
else {
if(ne_get_status(req)->code != 200) {
s3_handle_error_response(s3,req);
err = -EACCES;
}
retry = ne_end_request(req);
}
} while(retry == NE_RETRY);
ne_request_destroy(req);
s3_end_session(s3);
return err;
}
/* Normally, this module uses get and put. But for creation of new files
* with owncloud_creat, write is still needed.
*/
static ssize_t owncloud_write(csync_vio_method_handle_t *fhandle, const void *buf, size_t count) {
struct transfer_context *writeCtx;
int rc = 0;
int neon_stat;
const ne_status *status;
writeCtx = (struct transfer_context*) fhandle;
if (fhandle == NULL) {
errno = EBADF;
rc = -1;
}
ne_set_request_body_buffer(writeCtx->req, buf, count );
/* Start the request. */
neon_stat = ne_request_dispatch( writeCtx->req );
set_errno_from_neon_errcode( neon_stat );
status = ne_get_status( writeCtx->req );
if( status->klass != 2 ) {
DEBUG_WEBDAV("sendfile request failed with http status %d!", status->code);
set_errno_from_http_errcode( status->code );
/* decide if soft error or hard error that stops the whole sync. */
/* Currently all problems concerning one file are soft errors */
if( status->klass == 4 /* Forbidden and stuff, soft error */ ) {
rc = 1;
} else if( status->klass == 5 /* Server errors and such */ ) {
rc = 1; /* No Abort on individual file errors. */
} else {
rc = 1;
}
} else {
DEBUG_WEBDAV("write request all ok, result code %d", status->code);
}
return rc;
}
static int dispatch_to_buffer(ne_session *sess, ne_request *req, char *buf, const char *range, ssize_t *bytes_read)
{
const ne_status *const st = ne_get_status(req);
int ret;
size_t rlen;
/* length of bytespec after "bytes=" */
rlen = range ? strlen(range + 6) : 0;
do {
const char *value;
ret = ne_begin_request(req);
if (ret != NE_OK) break;
value = ne_get_response_header(req, "Content-Range");
/* For a 206 response, check that a Content-Range header is
* given which matches the Range request header. */
if (range && st->code == 206
&& (value == NULL || strncmp(value, "bytes ", 6) != 0
|| strncmp(range + 6, value + 6, rlen)
|| (range[5 + rlen] != '-' && value[6 + rlen] != '/'))) {
ne_set_error(sess, "Response did not include requested range");
return NE_ERROR;
}
if ((range && st->code == 206) || (!range && st->klass == 2)) {
ret = ne_read_response_to_buf(req, buf, bytes_read);
} else {
ret = ne_discard_response(req);
}
if (ret == NE_OK) ret = ne_end_request(req);
} while (ret == NE_RETRY);
return ret;
}
int ne_unlock(ne_session *sess, const struct ne_lock *lock)
{
ne_request *req = ne_request_create(sess, "UNLOCK", lock->uri.path);
int ret;
ne_print_request_header(req, "Lock-Token", "<%s>", lock->token);
/* UNLOCK of a lock-null resource removes the resource from the
* parent collection; so an UNLOCK may modify the parent
* collection. (somewhat counter-intuitive, and not easily derived
* from 2518.) */
ne_lock_using_parent(req, lock->uri.path);
ret = ne_request_dispatch(req);
if (ret == NE_OK && ne_get_status(req)->klass != 2) {
ret = NE_ERROR;
}
ne_request_destroy(req);
return ret;
}