static int uwsgi_routing_func_basicauth(struct wsgi_request *wsgi_req, struct uwsgi_route *ur) {
// skip if already authenticated
if (wsgi_req->remote_user_len > 0) {
return UWSGI_ROUTE_NEXT;
}
if (wsgi_req->authorization_len > 7 && ur->data2_len > 0) {
if (strncmp(wsgi_req->authorization, "Basic ", 6))
goto forbidden;
size_t auth_len = 0;
char *auth = uwsgi_base64_decode(wsgi_req->authorization+6, wsgi_req->authorization_len-6, &auth_len);
if (auth) {
if (!ur->custom) {
// check htpasswd-like file
uint16_t ulen = htpasswd_check(ur->data2, auth);
if (ulen > 0) {
wsgi_req->remote_user = uwsgi_req_append(wsgi_req, "REMOTE_USER", 11, auth, ulen);
if (!wsgi_req->remote_user) {
free(auth);
goto forbidden;
}
wsgi_req->remote_user_len = ulen;
}
else if (ur->data3_len == 0) {
free(auth);
goto forbidden;
}
}
else {
if (!uwsgi_strncmp(auth, auth_len, ur->data2, ur->data2_len)) {
wsgi_req->remote_user = uwsgi_req_append(wsgi_req, "REMOTE_USER", 11, auth, ur->custom);
if (!wsgi_req->remote_user) {
free(auth);
goto forbidden;
}
wsgi_req->remote_user_len = ur->custom;
}
else if (ur->data3_len == 0) {
free(auth);
goto forbidden;
}
}
free(auth);
return UWSGI_ROUTE_NEXT;
}
}
forbidden:
if (uwsgi_response_prepare_headers(wsgi_req, "401 Authorization Required", 26)) goto end;
char *realm = uwsgi_concat3n("Basic realm=\"", 13, ur->data, ur->data_len, "\"", 1);
// no need to check for errors
uwsgi_response_add_header(wsgi_req, "WWW-Authenticate", 16, realm, 13 + ur->data_len + 1);
free(realm);
uwsgi_response_write_body_do(wsgi_req, "Unauthorized", 12);
end:
return UWSGI_ROUTE_BREAK;
}
static int uwsgi_ssi_request(struct wsgi_request *wsgi_req) {
struct uwsgi_buffer *ub = NULL;
if (uwsgi_parse_vars(wsgi_req)) {
return -1;
}
if (!wsgi_req->document_root_len || !wsgi_req->path_info_len) {
uwsgi_log("[uwsgi-ssi] DOCUMENT_ROOT and PATH_INFO must be defined !!!\n");
uwsgi_500(wsgi_req);
return UWSGI_OK;
}
char *filename = uwsgi_concat3n(wsgi_req->document_root, wsgi_req->document_root_len, "/", 1, wsgi_req->path_info, wsgi_req->path_info_len);
size_t filename_len = wsgi_req->document_root_len + 1 + wsgi_req->path_info_len;
// we expand the path for future security implementations
char *real_filename = uwsgi_expand_path(filename, filename_len, NULL);
free(filename);
if (!real_filename) {
uwsgi_404(wsgi_req);
return UWSGI_OK;
}
struct uwsgi_buffer *ub_ssi = uwsgi_buffer_from_file(real_filename);
free(real_filename);
if (!ub_ssi) {
uwsgi_500(wsgi_req);
return UWSGI_OK;
}
ub = uwsgi_ssi_parse(wsgi_req, ub_ssi->buf, ub_ssi->pos);
uwsgi_buffer_destroy(ub_ssi);
if (!ub) {
uwsgi_500(wsgi_req);
return UWSGI_OK;
}
// prepare headers
if (uwsgi_response_prepare_headers(wsgi_req, "200 OK", 6)) {
uwsgi_500(wsgi_req);
goto end;
}
// content_length
if (uwsgi_response_add_content_length(wsgi_req, ub->pos)) {
uwsgi_500(wsgi_req);
goto end;
}
// content_type
if (uwsgi_response_add_content_type(wsgi_req, "text/html", 9)) {
uwsgi_500(wsgi_req);
goto end;
}
uwsgi_response_write_body_do(wsgi_req, ub->buf, ub->pos);
end:
if (ub) {
uwsgi_buffer_destroy(ub);
}
return UWSGI_OK;
}
// status could be NNN or NNN message
int uwsgi_response_prepare_headers(struct wsgi_request *wsgi_req, char *status, uint16_t status_len) {
if (wsgi_req->headers_sent || wsgi_req->headers_size || wsgi_req->response_size || status_len < 3 || wsgi_req->write_errors) return -1;
if (!wsgi_req->headers) {
wsgi_req->headers = uwsgi_buffer_new(uwsgi.page_size);
wsgi_req->headers->limit = UMAX16;
}
// reset the buffer (could be useful for rollbacks...)
wsgi_req->headers->pos = 0;
// reset headers count
wsgi_req->header_cnt = 0;
struct uwsgi_buffer *hh = NULL;
wsgi_req->status = uwsgi_str3_num(status);
#ifdef UWSGI_ROUTING
// apply error routes
if (uwsgi_apply_error_routes(wsgi_req) == UWSGI_ROUTE_BREAK) {
// from now on ignore write body requests...
wsgi_req->ignore_body = 1;
return -1;
}
wsgi_req->is_error_routing = 0;
#endif
if (status_len <= 4) {
char *new_sc = NULL;
size_t new_sc_len = 0;
uint16_t sc_len = 0;
const char *sc = uwsgi_http_status_msg(status, &sc_len);
if (sc) {
new_sc = uwsgi_concat3n(status, 3, " ", 1, (char *)sc, sc_len);
new_sc_len = 4+sc_len;
}
else {
new_sc = uwsgi_concat2n(status, 3, " Unknown", 8);
new_sc_len = 11;
}
hh = wsgi_req->socket->proto_prepare_headers(wsgi_req, new_sc, new_sc_len);
free(new_sc);
}
else {
hh = wsgi_req->socket->proto_prepare_headers(wsgi_req, status, status_len);
}
if (!hh) {wsgi_req->write_errors++; return -1;}
if (uwsgi_buffer_append(wsgi_req->headers, hh->buf, hh->pos)) goto error;
uwsgi_buffer_destroy(hh);
return 0;
error:
uwsgi_buffer_destroy(hh);
wsgi_req->write_errors++;
return -1;
}
static char *htpasswd_check_sha1(char *pwd) {
#ifdef UWSGI_SSL
char sha1[20];
uwsgi_sha1(pwd, strlen(pwd), sha1);
size_t len = 0;
char *b64 = uwsgi_base64_encode(sha1, 20, &len);
if (!b64) return NULL;
// we add a new line for being fgets-friendly
char *crypted = uwsgi_concat3n("{SHA}", 5, b64, len, "\n", 1);
free(b64);
return crypted;
#else
uwsgi_log("*** WARNING, rebuild uWSGI with SSL support for htpasswd sha1 feature ***\n");
return NULL;
#endif
}
// status could be NNN or NNN message
int uwsgi_response_prepare_headers(struct wsgi_request *wsgi_req, char *status, uint16_t status_len) {
if (wsgi_req->headers_sent || wsgi_req->headers_size || wsgi_req->response_size || status_len < 3 || wsgi_req->write_errors) return -1;
if (!wsgi_req->headers) {
wsgi_req->headers = uwsgi_buffer_new(uwsgi.page_size);
wsgi_req->headers->limit = UMAX16;
}
// reset the buffer (could be useful for rollbacks...)
wsgi_req->headers->pos = 0;
struct uwsgi_buffer *hh = NULL;
if (status_len <= 4) {
char *new_sc = NULL;
size_t new_sc_len = 0;
uint16_t sc_len = 0;
const char *sc = uwsgi_http_status_msg(status, &sc_len);
if (sc) {
new_sc = uwsgi_concat3n(status, 3, " ", 1, (char *)sc, sc_len);
new_sc_len = 4+sc_len;
}
else {
new_sc = uwsgi_concat2n(status, 3, " Unknown", 8);
new_sc_len = 11;
}
hh = wsgi_req->socket->proto_prepare_headers(wsgi_req, new_sc, new_sc_len);
free(new_sc);
}
else {
hh = wsgi_req->socket->proto_prepare_headers(wsgi_req, status, status_len);
}
if (!hh) {wsgi_req->write_errors++; return -1;}
if (uwsgi_buffer_append(wsgi_req->headers, hh->buf, hh->pos)) goto error;
uwsgi_buffer_destroy(hh);
wsgi_req->status = uwsgi_str3_num(status);
return 0;
error:
uwsgi_buffer_destroy(hh);
wsgi_req->write_errors++;
return -1;
}
/* this is the dynamic loader, it loads app reading information from a wsgi_request */
PyObject *uwsgi_dyn_loader(void *arg1) {
PyObject *callable = NULL;
char *tmpstr;
struct wsgi_request *wsgi_req = (struct wsgi_request *) arg1;
// MANAGE UWSGI_SCRIPT
if (wsgi_req->script_len > 0) {
tmpstr = uwsgi_strncopy(wsgi_req->script, wsgi_req->script_len);
callable = uwsgi_uwsgi_loader((void *)tmpstr);
free(tmpstr);
}
// MANAGE UWSGI_MODULE
else if (wsgi_req->module_len > 0) {
if (wsgi_req->callable_len > 0) {
tmpstr = uwsgi_concat3n(wsgi_req->module, wsgi_req->module_len, ":", 1, wsgi_req->callable, wsgi_req->callable_len);
}
else {
tmpstr = uwsgi_strncopy(wsgi_req->module, wsgi_req->module_len);
}
callable = uwsgi_uwsgi_loader((void *)tmpstr);
free(tmpstr);
}
// MANAGE UWSGI_FILE
else if (wsgi_req->file_len > 0) {
tmpstr = uwsgi_strncopy(wsgi_req->file, wsgi_req->file_len);
callable = uwsgi_file_loader((void *)tmpstr);
free(tmpstr);
}
// TODO MANAGE UWSGI_PASTE
/*
else if (wsgi_req->wsgi_paste_len > 0) {
tmpstr = uwsgi_strncopy(wsgi_req->paste, wsgi_req->paste_len);
callable = uwsgi_paste_loader((void *)tmpstr);
free(tmpstr);
}
*/
return callable;
}
static int uwsgi_mongrel2_json_parse(json_t * root, struct wsgi_request *wsgi_req) {
char *json_val;
char *query_string = NULL;
size_t query_string_len = 0;
size_t script_name_len = 0;
void *json_iter;
char *json_key;
json_t *json_value;
if ((json_val = uwsgi_mongrel2_json_get_string(root, "METHOD"))) {
if (!strcmp(json_val, "JSON")) {
return -1;
}
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "REQUEST_METHOD", 14, json_val, strlen(json_val));
}
// pretty easy, we get the file and we map it to wsgi_req->post_file, uWSGI read api will automatically use this
if ((json_val = uwsgi_mongrel2_json_get_string(root, "x-mongrel2-upload-done"))) {
wsgi_req->post_file = fopen(json_val, "r");
if (!wsgi_req->post_file) {
uwsgi_error_open(json_val);
return -1;
}
}
else if (uwsgi_mongrel2_json_get_string(root, "x-mongrel2-upload-start")) {
return -1;
}
wsgi_req->uh->pktsize += uwsgi_mongrel2_json_add(wsgi_req, root, "VERSION", "SERVER_PROTOCOL", 15, NULL, NULL);
wsgi_req->uh->pktsize += uwsgi_mongrel2_json_add(wsgi_req, root, "QUERY", "QUERY_STRING", 12, &query_string, &query_string_len);
if (query_string == NULL) {
// always set QUERY_STRING
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "QUERY_STRING", 12, "", 0);
}
// set SCRIPT_NAME to an empty value
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "SCRIPT_NAME", 11, "", 0);
if ((json_val = uwsgi_mongrel2_json_get_string(root, "PATH"))) {
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "PATH_INFO", 9, json_val + script_name_len, strlen(json_val + script_name_len));
if (query_string_len) {
char *request_uri = uwsgi_concat3n(json_val, strlen(json_val), "?", 1, query_string, query_string_len);
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "REQUEST_URI", 11, request_uri, strlen(json_val) + 1 + query_string_len);
free(request_uri);
}
else {
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "REQUEST_URI", 11, json_val, strlen(json_val));
}
}
if ((json_val = uwsgi_mongrel2_json_get_string(root, "URL_SCHEME"))) {
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "UWSGI_SCHEME", 12, json_val, strlen(json_val));
}
if ((json_val = uwsgi_mongrel2_json_get_string(root, "host"))) {
char *colon = strchr(json_val, ':');
if (colon) {
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "SERVER_PORT", 11, colon + 1, strlen(colon + 1));
}
else {
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "SERVER_PORT", 11, "80", 2);
}
}
if ((json_val = uwsgi_mongrel2_json_get_string(root, "x-forwarded-for"))) {
char *colon = strchr(json_val, ',');
if (colon) {
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "REMOTE_ADDR", 11, colon + 1, (colon + 1) - json_val);
}
else {
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "REMOTE_ADDR", 11, json_val, strlen(json_val));
}
}
if ((json_val = uwsgi_mongrel2_json_get_string(root, "content-length"))) {
wsgi_req->post_cl = atoi(json_val);
}
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "SERVER_NAME", 11, uwsgi.hostname, uwsgi.hostname_len);
json_iter = json_object_iter(root);
while (json_iter) {
json_key = (char *) json_object_iter_key(json_iter);
// is it a header ?
if (json_key[0] >= 97) {
json_value = json_object_iter_value(json_iter);
if (json_is_string(json_value)) {
json_val = (char *) json_string_value(json_value);
wsgi_req->uh->pktsize += proto_base_add_uwsgi_header(wsgi_req, json_key, strlen(json_key), json_val, strlen(json_val));
}
}
json_iter = json_object_iter_next(root, json_iter);
}
return 0;
}
// dumb/fake tnetstring implementation...all is a string
static int uwsgi_mongrel2_tnetstring_parse(struct wsgi_request *wsgi_req, char *buf, int len) {
char *ptr = buf;
char *watermark = buf + len;
char *key = NULL;
size_t keylen = 0;
char *val = NULL;
size_t vallen = 0;
uint16_t script_name_len = 0;
char *query_string = NULL;
uint16_t query_string_len = 0;
int async_upload = 0;
// set an empty SCRIPT_NAME
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "SCRIPT_NAME", 11, "", 0);
while (ptr < watermark) {
ptr = uwsgi_netstring(ptr, len - (ptr - buf), &key, &keylen);
if (ptr == NULL)
break;
// empty keys are not allowed
if (keylen == 0)
break;
if (ptr >= watermark)
break;
ptr = uwsgi_netstring(ptr, len - (ptr - buf), &val, &vallen);
if (ptr == NULL)
break;
if (key[0] < 97) {
if (!uwsgi_strncmp("METHOD", 6, key, keylen)) {
if (!uwsgi_strncmp("JSON", 4, val, vallen)) {
return -1;
}
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "REQUEST_METHOD", 14, val, vallen);
}
else if (!uwsgi_strncmp("VERSION", 7, key, keylen)) {
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "SERVER_PROTOCOL", 15, val, vallen);
}
else if (!uwsgi_strncmp("QUERY", 5, key, keylen)) {
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "QUERY_STRING", 12, val, vallen);
query_string = val;
query_string_len = vallen;
}
else if (!uwsgi_strncmp("PATH", 4, key, keylen)) {
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "PATH_INFO", 9, val + script_name_len, vallen - script_name_len);
if (query_string_len) {
char *request_uri = uwsgi_concat3n(val, vallen, "?", 1, query_string, query_string_len);
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "REQUEST_URI", 11, request_uri, vallen + 1 + query_string_len);
free(request_uri);
}
else {
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "REQUEST_URI", 11, val, vallen);
}
}
}
else {
// add header
if (!uwsgi_strncmp("host", 4, key, keylen)) {
char *colon = memchr(val, ':', vallen);
if (colon) {
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "SERVER_PORT", 11, colon + 1, vallen - ((colon + 1) - val));
}
else {
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "SERVER_PORT", 11, "80", 2);
}
}
else if (!uwsgi_strncmp("content-length", 14, key, keylen)) {
wsgi_req->post_cl = uwsgi_str_num(val, vallen);
}
else if (!uwsgi_strncmp("x-mongrel2-upload-done", 22, key, keylen)) {
char *post_filename = uwsgi_concat2n(val, vallen, "", 0);
wsgi_req->post_file = fopen(post_filename, "r");
if (!wsgi_req->post_file) {
uwsgi_error_open(post_filename);
wsgi_req->do_not_log = 1;
}
async_upload += 2;
free(post_filename);
}
else if (!uwsgi_strncmp("x-forwarded-for", 15, key, keylen)) {
char *colon = memchr(val, ',', vallen);
if (colon) {
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "REMOTE_ADDR", 11, colon + 1, (colon + 1) - val);
}
else {
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "REMOTE_ADDR", 11, val, vallen);
}
}
else if (!uwsgi_strncmp("x-mongrel2-upload-start", 23, key, keylen)) {
async_upload += 1;
}
wsgi_req->uh->pktsize += proto_base_add_uwsgi_header(wsgi_req, key, keylen, val, vallen);
}
}
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "SERVER_NAME", 11, uwsgi.hostname, uwsgi.hostname_len);
if (query_string == NULL) {
// always set QUERY_STRING
wsgi_req->uh->pktsize += proto_base_add_uwsgi_var(wsgi_req, "QUERY_STRING", 12, "", 0);
}
// reject uncomplete upload
if (async_upload == 1) {
return -1;
}
return 0;
}
static int uwsgi_webdav_add_props(struct wsgi_request *wsgi_req, xmlNode *req_prop, xmlNode * multistatus, xmlNsPtr dav_ns, char *uri, char *filename, int with_values) {
struct stat st;
if (stat(filename, &st)) {
uwsgi_error("uwsgi_webdav_add_props()/stat()");
return -1;
}
int is_collection = 0;
xmlNode *response = xmlNewChild(multistatus, dav_ns, BAD_CAST "response", NULL);
uint16_t uri_len = strlen(uri) ;
char *encoded_uri = uwsgi_malloc( (uri_len * 3) + 1);
http_url_encode(uri, &uri_len, encoded_uri);
encoded_uri[uri_len] = 0;
xmlNewChild(response, dav_ns, BAD_CAST "href", BAD_CAST encoded_uri);
free(encoded_uri);
xmlNode *r_propstat = xmlNewChild(response, dav_ns, BAD_CAST "propstat", NULL);
char *r_status = uwsgi_concat2n(wsgi_req->protocol, wsgi_req->protocol_len, " 200 OK", 7);
xmlNewChild(r_propstat, dav_ns, BAD_CAST "status", BAD_CAST r_status);
free(r_status);
xmlNode *r_prop = xmlNewChild(r_propstat, dav_ns, BAD_CAST "prop", NULL);
if (with_values) {
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "displayname")) {
char *base_uri = uwsgi_get_last_char(uri, '/');
if (base_uri) {
xmlNewChild(r_prop, dav_ns, BAD_CAST "displayname", BAD_CAST base_uri+1);
}
else {
xmlNewChild(r_prop, dav_ns, BAD_CAST "displayname", BAD_CAST uri);
}
}
if (S_ISDIR(st.st_mode)) is_collection = 1;
xmlNode *r_type = NULL;
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "resourcetype")) {
r_type = xmlNewChild(r_prop, dav_ns, BAD_CAST "resourcetype", NULL);
if (is_collection) {
xmlNewChild(r_type, dav_ns, BAD_CAST "collection", NULL);
is_collection = 1;
}
}
if (!is_collection) {
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "getcontentlength")) {
char *r_contentlength = uwsgi_num2str(st.st_size);
xmlNewChild(r_prop, dav_ns, BAD_CAST "getcontentlength", BAD_CAST r_contentlength);
free(r_contentlength);
}
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "getcontenttype")) {
size_t mime_type_len = 0;
char *mime_type = uwsgi_get_mime_type(filename, strlen(filename), &mime_type_len);
if (mime_type) {
char *r_ctype = uwsgi_concat2n(mime_type, mime_type_len, "", 0);
xmlNewTextChild(r_prop, dav_ns, BAD_CAST "getcontenttype", BAD_CAST r_ctype);
free(r_ctype);
}
}
}
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "creationdate")) {
// there is no creation date on UNIX/POSIX, ctime is the nearest thing...
char *cdate = uwsgi_webdav_new_date(st.st_ctime);
if (cdate) {
xmlNewTextChild(r_prop, dav_ns, BAD_CAST "creationdate", BAD_CAST cdate);
free(cdate);
}
}
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "getlastmodified")) {
char *mdate = uwsgi_webdav_new_date(st.st_mtime);
if (mdate) {
xmlNewTextChild(r_prop, dav_ns, BAD_CAST "getlastmodified", BAD_CAST mdate);
free(mdate);
}
}
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "getetag")) {
char *etag = uwsgi_num2str(st.st_mtime);
xmlNewTextChild(r_prop, dav_ns, BAD_CAST "getetag", BAD_CAST etag);
free(etag);
}
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "executable")) {
xmlNewChild(r_prop, dav_ns, BAD_CAST "executable", NULL);
}
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "owner")) {
xmlNewTextChild(r_prop, dav_ns, BAD_CAST "owner", NULL);
}
if (wsgi_req->remote_user_len > 0) {
if (udav.principal_base) {
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "current-user-principal")) {
char *current_user_principal = uwsgi_concat2n(udav.principal_base, strlen(udav.principal_base), wsgi_req->remote_user, wsgi_req->remote_user_len);
xmlNode *cup = xmlNewChild(r_prop, dav_ns, BAD_CAST "current-user-principal", NULL);
xmlNewTextChild(cup, dav_ns, BAD_CAST "href", BAD_CAST current_user_principal);
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "resourcetype")) {
if (!strcmp(current_user_principal, uri)) {
xmlNewChild(r_type, dav_ns, BAD_CAST "principal", NULL);
}
}
free(current_user_principal);
}
}
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "current-user-privilege-set")) {
xmlNode *cups = xmlNewChild(r_prop, dav_ns, BAD_CAST "current-user-privilege-set", NULL);
xmlNode *privilege = xmlNewChild(cups, dav_ns, BAD_CAST "privilege", NULL);
xmlNewChild(privilege, dav_ns, BAD_CAST "all", NULL);
xmlNewChild(privilege, dav_ns, BAD_CAST "read", NULL);
xmlNewChild(privilege, dav_ns, BAD_CAST "write", NULL);
xmlNewChild(privilege, dav_ns, BAD_CAST "write-content", NULL);
xmlNewChild(privilege, dav_ns, BAD_CAST "write-properties", NULL);
}
}
if (uwsgi_webdav_prop_requested(req_prop, "DAV:", "supported-report-set")) {
xmlNode *report_set = xmlNewChild(r_prop, dav_ns, BAD_CAST "supported-report-set", NULL);
xmlNode *supported_report = xmlNewChild(report_set, dav_ns, BAD_CAST "supported-report", NULL);
xmlNewChild(supported_report, dav_ns, BAD_CAST "report", BAD_CAST "principal-property-search");
supported_report = xmlNewChild(report_set, dav_ns, BAD_CAST "supported-report", NULL);
xmlNewChild(supported_report, dav_ns, BAD_CAST "report", BAD_CAST "sync-collection");
supported_report = xmlNewChild(report_set, dav_ns, BAD_CAST "supported-report", NULL);
xmlNewChild(supported_report, dav_ns, BAD_CAST "report", BAD_CAST "expand-property");
supported_report = xmlNewChild(report_set, dav_ns, BAD_CAST "supported-report", NULL);
xmlNewChild(supported_report, dav_ns, BAD_CAST "report", BAD_CAST "principal-search-property-set");
}
uwsgi_webdav_foreach_prop(udav.add_prop, req_prop, r_prop, 0, NULL );
uwsgi_webdav_foreach_prop(udav.add_prop_href, req_prop, r_prop, 1, NULL);
uwsgi_webdav_foreach_prop(udav.add_prop_comp,req_prop, r_prop, 2 , NULL);
uwsgi_webdav_foreach_prop(udav.add_rtype_prop,req_prop, r_type, 0, "resourcetype");
if (is_collection) {
uwsgi_webdav_foreach_prop(udav.add_rtype_collection_prop,req_prop, r_type, 0, "resourcetype");
uwsgi_webdav_foreach_prop(udav.add_collection_prop,req_prop, r_prop, 0, NULL);
uwsgi_webdav_foreach_prop(udav.add_collection_prop_href,req_prop, r_prop, 1, NULL);
uwsgi_webdav_foreach_prop(udav.add_collection_prop_comp,req_prop, r_prop, 2, NULL);
}
else {
uwsgi_webdav_foreach_prop(udav.add_rtype_object_prop,req_prop, r_type, 0, "resourcetype");
uwsgi_webdav_foreach_prop(udav.add_object_prop,req_prop, r_prop, 0, NULL);
uwsgi_webdav_foreach_prop(udav.add_object_prop_href,req_prop, r_prop, 1, NULL);
uwsgi_webdav_foreach_prop(udav.add_object_prop_comp,req_prop, r_prop, 2, NULL);
}
}
else {
xmlNewChild(r_prop, dav_ns, BAD_CAST "displayname", NULL);
xmlNewChild(r_prop, dav_ns, BAD_CAST "resourcetype", NULL);
if (!S_ISDIR(st.st_mode)) {
xmlNewChild(r_prop, dav_ns, BAD_CAST "getcontentlength", NULL);
xmlNewChild(r_prop, dav_ns, BAD_CAST "getcontenttype", NULL);
}
xmlNewChild(r_prop, dav_ns, BAD_CAST "creationdate", NULL);
xmlNewChild(r_prop, dav_ns, BAD_CAST "getlastmodified", NULL);
xmlNewChild(r_prop, dav_ns, BAD_CAST "supported-report-set", NULL);
if (wsgi_req->remote_user_len > 0) {
xmlNewChild(r_prop, dav_ns, BAD_CAST "current-user-privilege-set", NULL);
if (udav.principal_base) {
xmlNewChild(r_prop, dav_ns, BAD_CAST "current-user-principal", NULL);
}
}
}
#if defined(__linux__) || defined(__APPLE__)
// get xattr for user.uwsgi.webdav.
#if defined(__linux__)
ssize_t rlen = listxattr(filename, NULL, 0);
#elif defined(__APPLE__)
ssize_t rlen = listxattr(filename, NULL, 0, 0);
#endif
// do not return -1 as the previous xml is valid !!!
if (rlen <= 0) return 0;
// use calloc to avoid races
char *xattrs = uwsgi_calloc(rlen);
#if defined(__linux__)
if (listxattr(filename, xattrs, rlen) <= 0) {
#elif defined(__APPLE__)
if (listxattr(filename, xattrs, rlen, 0) <= 0) {
#endif
free(xattrs);
return 0;
}
// parse the name list
ssize_t i;
char *key = NULL;
for(i=0;i<rlen;i++) {
// check for wrong condition
if (xattrs[i] == 0 && key == NULL) break;
if (key && xattrs[i] == 0) {
if (!uwsgi_starts_with(key, strlen(key), "user.uwsgi.webdav.", 18)) {
if (uwsgi_string_list_has_item(udav.skip_prop, key + 18, strlen(key + 18))) continue;
xmlNsPtr xattr_ns = NULL;
// does it has a namespace ?
char *separator = strchr(key + 18, '|');
char *xattr_key = key + 18;
if (separator) {
xattr_key = separator + 1;
*separator = 0;
if (!uwsgi_webdav_prop_requested(req_prop, key + 18, xattr_key)) continue;
}
else {
if (!uwsgi_webdav_prop_requested(req_prop, NULL, xattr_key)) continue;
}
xmlNode *xattr_item = NULL;
if (with_values) {
#if defined(__linux__)
ssize_t rlen2 = getxattr(filename, key, NULL, 0);
#elif defined(__APPLE__)
ssize_t rlen2 = getxattr(filename, key, NULL, 0, 0, 0);
#endif
if (rlen > 0) {
// leave space for final 0
char *xvalue = uwsgi_calloc(rlen2 + 1);
#if defined(__linux__)
if (getxattr(filename, key, xvalue, rlen2) > 0) {
#elif defined(__APPLE__)
if (getxattr(filename, key, xvalue, rlen2, 0 ,0) > 0) {
#endif
xattr_item = xmlNewTextChild(r_prop, NULL, BAD_CAST xattr_key, BAD_CAST xvalue);
}
free(xvalue);
}
else if (rlen == 0) {
xattr_item = xmlNewTextChild(r_prop, NULL, BAD_CAST xattr_key, NULL);
}
}
else {
xattr_item = xmlNewTextChild(r_prop, NULL, BAD_CAST xattr_key, NULL);
}
if (separator && xattr_item) {
xattr_ns = xmlNewNs(xattr_item, BAD_CAST (key + 18), NULL);
*separator = '|';
xmlSetNs(xattr_item, xattr_ns);
}
}
key = NULL;
}
else if (key == NULL) {
key = &xattrs[i];
}
}
free(xattrs);
#endif
return 0;
}
static size_t uwsgi_webdav_expand_path(struct wsgi_request *wsgi_req, char *item, uint16_t item_len, char *filename) {
struct uwsgi_app *ua = &uwsgi_apps[wsgi_req->app_id];
char *docroot = ua->interpreter;
size_t docroot_len = strlen(docroot);
// merge docroot with path_info
char *tmp_filename = uwsgi_concat3n(docroot, docroot_len, "/", 1, item, item_len);
// try expanding the path
if (!realpath(tmp_filename, filename)) {
free(tmp_filename);
return 0;
}
free(tmp_filename);
return strlen(filename);
}
static size_t uwsgi_webdav_expand_fake_path(struct wsgi_request *wsgi_req, char *item, uint16_t item_len, char *filename) {
char *last_slash = uwsgi_get_last_charn(item, item_len, '/');
if (!last_slash) return 0;
size_t filename_len = uwsgi_webdav_expand_path(wsgi_req, item, last_slash - item, filename);
if (!filename_len) return 0;
// check for overflow
if (filename_len + (item_len - (last_slash - item)) >= PATH_MAX) return 0;
memcpy(filename + filename_len, last_slash, (item_len - (last_slash - item)));
filename_len += (item_len - (last_slash - item));
filename[(int)filename_len] = 0;
return filename_len;
}
static xmlDoc *uwsgi_webdav_manage_prop(struct wsgi_request *wsgi_req, xmlNode *req_prop, char *filename, size_t filename_len, int with_values) {
// default 1 depth
int depth = 1;
uint16_t http_depth_len = 0;
char *http_depth = uwsgi_get_var(wsgi_req, "HTTP_DEPTH", 10, &http_depth_len);
if (http_depth) {
depth = uwsgi_str_num(http_depth, http_depth_len);
}
xmlDoc *rdoc = xmlNewDoc(BAD_CAST "1.0");
xmlNode *multistatus = xmlNewNode(NULL, BAD_CAST "multistatus");
xmlDocSetRootElement(rdoc, multistatus);
xmlNsPtr dav_ns = xmlNewNs(multistatus, BAD_CAST "DAV:", BAD_CAST "D");
xmlSetNs(multistatus, dav_ns);
if (depth == 0) {
char *uri = uwsgi_concat2n(wsgi_req->path_info, wsgi_req->path_info_len, "", 0);
uwsgi_webdav_add_props(wsgi_req, req_prop, multistatus, dav_ns, uri, filename, with_values);
free(uri);
}
else {
DIR *collection = opendir(filename);
struct dirent de;
for (;;) {
struct dirent *de_r = NULL;
if (readdir_r(collection, &de, &de_r)) {
uwsgi_error("uwsgi_wevdav_manage_propfind()/readdir_r()");
break;
}
if (de_r == NULL) {
break;
}
char *uri = NULL;
char *direntry = NULL;
if (!strcmp(de.d_name, "..")) {
// skip ..
continue;
}
else if (!strcmp(de.d_name, ".")) {
uri = uwsgi_concat2n(wsgi_req->path_info, wsgi_req->path_info_len, "", 0);
direntry = uwsgi_concat2n(filename, filename_len, "", 0);
}
else if (wsgi_req->path_info[wsgi_req->path_info_len - 1] == '/') {
uri = uwsgi_concat2n(wsgi_req->path_info, wsgi_req->path_info_len, de.d_name, strlen(de.d_name));
direntry = uwsgi_concat3n(filename, filename_len, "/", 1, de.d_name, strlen(de.d_name));
}
else {
uri = uwsgi_concat3n(wsgi_req->path_info, wsgi_req->path_info_len, "/", 1, de.d_name, strlen(de.d_name));
direntry = uwsgi_concat3n(filename, filename_len, "/", 1, de.d_name, strlen(de.d_name));
}
uwsgi_webdav_add_props(wsgi_req, req_prop, multistatus, dav_ns, uri, direntry, with_values);
free(uri);
free(direntry);
}
closedir(collection);
}
return rdoc;
}
int uwsgi_file_serve(struct wsgi_request *wsgi_req, char *document_root, uint16_t document_root_len, char *path_info, uint16_t path_info_len, int is_a_file) {
struct stat st;
char real_filename[PATH_MAX + 1];
size_t real_filename_len = 0;
char *filename = NULL;
size_t filename_len = 0;
struct uwsgi_string_list *index = NULL;
if (!is_a_file) {
filename = uwsgi_concat3n(document_root, document_root_len, "/", 1, path_info, path_info_len);
filename_len = document_root_len + 1 + path_info_len;
}
else {
filename = uwsgi_concat2n(document_root, document_root_len, "", 0);
filename_len = document_root_len;
}
#ifdef UWSGI_DEBUG
uwsgi_log("[uwsgi-fileserve] checking for %s\n", filename);
#endif
if (uwsgi.static_cache_paths) {
uwsgi_rlock(uwsgi.static_cache_paths->lock);
uint64_t item_len;
char *item = uwsgi_cache_get2(uwsgi.static_cache_paths, filename, filename_len, &item_len);
if (item && item_len > 0 && item_len <= PATH_MAX) {
memcpy(real_filename, item, item_len);
real_filename_len = item_len;
uwsgi_rwunlock(uwsgi.static_cache_paths->lock);
goto found;
}
uwsgi_rwunlock(uwsgi.static_cache_paths->lock);
}
if (!realpath(filename, real_filename)) {
#ifdef UWSGI_DEBUG
uwsgi_log("[uwsgi-fileserve] unable to get realpath() of the static file\n");
#endif
free(filename);
return -1;
}
real_filename_len = strlen(real_filename);
if (uwsgi.static_cache_paths) {
uwsgi_wlock(uwsgi.static_cache_paths->lock);
uwsgi_cache_set2(uwsgi.static_cache_paths, filename, filename_len, real_filename, real_filename_len, uwsgi.use_static_cache_paths, UWSGI_CACHE_FLAG_UPDATE);
uwsgi_rwunlock(uwsgi.static_cache_paths->lock);
}
found:
free(filename);
if (uwsgi_starts_with(real_filename, real_filename_len, document_root, document_root_len)) {
struct uwsgi_string_list *safe = uwsgi.static_safe;
while(safe) {
if (!uwsgi_starts_with(real_filename, real_filename_len, safe->value, safe->len)) {
goto safe;
}
safe = safe->next;
}
uwsgi_log("[uwsgi-fileserve] security error: %s is not under %.*s or a safe path\n", real_filename, document_root_len, document_root);
return -1;
}
safe:
if (!uwsgi_static_stat(wsgi_req, real_filename, &real_filename_len, &st, &index)) {
if (index) {
// if we are here the PATH_INFO need to be changed
if (uwsgi_req_append_path_info_with_index(wsgi_req, index->value, index->len)) {
return -1;
}
}
// skip methods other than GET and HEAD
if (uwsgi_strncmp(wsgi_req->method, wsgi_req->method_len, "GET", 3) && uwsgi_strncmp(wsgi_req->method, wsgi_req->method_len, "HEAD", 4)) {
return -1;
}
// check for skippable ext
struct uwsgi_string_list *sse = uwsgi.static_skip_ext;
while (sse) {
if (real_filename_len >= sse->len) {
if (!uwsgi_strncmp(real_filename + (real_filename_len - sse->len), sse->len, sse->value, sse->len)) {
return -1;
}
}
sse = sse->next;
}
#ifdef UWSGI_ROUTING
// before sending the file, we need to check if some rule applies
if (!wsgi_req->is_routing && uwsgi_apply_routes_do(wsgi_req, NULL, 0) == UWSGI_ROUTE_BREAK) {
return 0;
}
wsgi_req->routes_applied = 1;
#endif
return uwsgi_real_file_serve(wsgi_req, real_filename, real_filename_len, &st);
}
return -1;
}
struct uwsgi_socket *uwsgi_new_socket(char *name) {
struct uwsgi_socket *uwsgi_sock = uwsgi.sockets, *old_uwsgi_sock;
struct sockaddr_in sin;
socklen_t socket_type_len;
if (!uwsgi_sock) {
uwsgi.sockets = uwsgi_malloc(sizeof(struct uwsgi_socket));
uwsgi_sock = uwsgi.sockets;
}
else {
while (uwsgi_sock) {
old_uwsgi_sock = uwsgi_sock;
uwsgi_sock = uwsgi_sock->next;
}
uwsgi_sock = uwsgi_malloc(sizeof(struct uwsgi_socket));
old_uwsgi_sock->next = uwsgi_sock;
}
memset(uwsgi_sock, 0, sizeof(struct uwsgi_socket));
uwsgi_sock->name = name;
uwsgi_sock->fd = -1;
if (!name)
return uwsgi_sock;
if (name[0] == '=') {
int shared_socket = atoi(uwsgi_sock->name + 1);
if (shared_socket >= 0) {
struct uwsgi_socket *uss = uwsgi_get_shared_socket_by_num(shared_socket);
if (!uss) {
uwsgi_log("unable to use shared socket %d\n", shared_socket);
exit(1);
}
uwsgi_sock->bound = 1;
uwsgi_sock->shared = 1;
uwsgi_sock->from_shared = shared_socket;
return uwsgi_sock;
}
}
if (!uwsgi_startswith(name, "fd://", 5)) {
uwsgi_add_socket_from_fd(uwsgi_sock, atoi(name + 5));
return uwsgi_sock;
}
char *tcp_port = strrchr(name, ':');
if (tcp_port) {
// INET socket, check for 0 port
if (tcp_port[1] == 0 || tcp_port[1] == '0') {
uwsgi_sock->fd = bind_to_tcp(name, uwsgi.listen_queue, tcp_port);
uwsgi_sock->family = AF_INET;
uwsgi_sock->bound = 1;
uwsgi_sock->auto_port = 1;
socket_type_len = sizeof(struct sockaddr_in);
if (getsockname(uwsgi_sock->fd, (struct sockaddr *) &sin, &socket_type_len)) {
uwsgi_error("getsockname()");
exit(1);
}
char *auto_port = uwsgi_num2str(ntohs(sin.sin_port));
uwsgi_sock->name = uwsgi_concat3n(name, tcp_port - name, ":", 1, auto_port, strlen(auto_port));
}
// is it fd 0 ?
else if (tcp_port[1] == ':') {
uwsgi_sock->fd = 0;
uwsgi_sock->family = AF_INET;
uwsgi_sock->bound = 1;
socket_type_len = sizeof(struct sockaddr_in);
if (getsockname(0, (struct sockaddr *) &sin, &socket_type_len)) {
uwsgi_error("getsockname()");
exit(1);
}
char *auto_port = uwsgi_num2str(ntohs(sin.sin_port));
char *auto_ip = inet_ntoa(sin.sin_addr);
uwsgi_sock->name = uwsgi_concat3n(auto_ip, strlen(auto_ip), ":", 1, auto_port, strlen(auto_port));
}
}
return uwsgi_sock;
}
static int uwsgi_request_xslt(struct wsgi_request *wsgi_req) {
char *xmlfile = NULL;
char *output = NULL;
int output_rlen = 0;
char filename[PATH_MAX+1];
size_t filename_len = 0;
char stylesheet[PATH_MAX+1];
size_t stylesheet_len = 0;
char *params = NULL;
if (uwsgi_parse_vars(wsgi_req)) {
return -1;
}
// set default values
if (!uxslt.content_type_len) {
if (!uxslt.content_type) {
uxslt.content_type = "text/html";
}
uxslt.content_type_len = strlen(uxslt.content_type);
}
struct uwsgi_string_list *usl = uxslt.docroot;
// first check for static docroots
if (usl) {
while(usl) {
xmlfile = uwsgi_concat3n(usl->value, usl->len, "/", 1, wsgi_req->path_info, wsgi_req->path_info_len);
if (uwsgi_is_file(xmlfile)) {
break;
}
free(xmlfile);
xmlfile = NULL;
usl = usl->next;
}
}
// fallback to DOCUMENT_ROOT
else {
if (wsgi_req->document_root_len == 0) {
uwsgi_403(wsgi_req);
return UWSGI_OK;
}
xmlfile = uwsgi_concat3n(wsgi_req->document_root, wsgi_req->document_root_len, "/", 1, wsgi_req->path_info, wsgi_req->path_info_len);
}
if (!xmlfile) {
uwsgi_404(wsgi_req);
return UWSGI_OK;
}
// we have the full path, check if it is valid
if (!uwsgi_expand_path(xmlfile, strlen(xmlfile), filename)) {
free(xmlfile);
uwsgi_404(wsgi_req);
return UWSGI_OK;
}
free(xmlfile);
if (!uwsgi_is_file(filename)) {
uwsgi_403(wsgi_req);
return UWSGI_OK;
}
filename_len = strlen(filename);
// now search for the xslt file
int found = 0;
// first check for specific vars
usl = uxslt.var;
while(usl) {
uint16_t rlen;
char *value = uwsgi_get_var(wsgi_req, usl->value, usl->len, &rlen);
if (value) {
memcpy(stylesheet, value, rlen);
stylesheet[rlen] = 0;
stylesheet_len = rlen;
found = 1;
break;
}
usl = usl->next;
}
if (found) goto apply;
// then check for custom extensions
if (uxslt.ext) {
usl = uxslt.ext;
while(usl) {
char *tmp_path = uwsgi_concat2n(filename, filename_len, usl->value, usl->len);
if (uwsgi_is_file(tmp_path)) {
stylesheet_len = filename_len + usl->len;
memcpy(stylesheet, tmp_path, stylesheet_len);
stylesheet[stylesheet_len] = 0;
free(tmp_path);
found = 1;
break;
}
free(tmp_path);
usl = usl->next;
}
}
// use default extensions .xsl/.xslt
else {
char *tmp_path = uwsgi_concat2n(filename, filename_len, ".xsl", 4);
if (uwsgi_is_file(tmp_path)) {
stylesheet_len = filename_len + 4;
memcpy(stylesheet, tmp_path, stylesheet_len);
stylesheet[stylesheet_len] = 0;
free(tmp_path);
goto apply;
}
free(tmp_path);
tmp_path = uwsgi_concat2n(filename, filename_len, ".xslt", 5);
if (uwsgi_is_file(tmp_path)) {
stylesheet_len = filename_len + 5;
memcpy(stylesheet, tmp_path, stylesheet_len);
stylesheet[stylesheet_len] = 0;
found = 1;
}
free(tmp_path);
}
if (found) goto apply;
// finally check for static stylesheets
usl = uxslt.stylesheet;
while(usl) {
if (uwsgi_is_file(usl->value)) {
memcpy(stylesheet, usl->value, usl->len);
stylesheet_len = usl->len;
stylesheet[stylesheet_len] = 0;
found = 1;
break;
}
usl = usl->next;
}
if (found) goto apply;
uwsgi_404(wsgi_req);
return UWSGI_OK;
apply:
if (wsgi_req->query_string_len > 0) {
params = uwsgi_concat2n(wsgi_req->query_string, wsgi_req->query_string_len, "", 0);
}
// we have both the file and the stylesheet, let's run the engine
output = uwsgi_xslt_apply(filename, stylesheet, params, &output_rlen);
if (params) free(params);
if (!output) {
uwsgi_500(wsgi_req);
return UWSGI_OK;
}
// prepare headers
if (uwsgi_response_prepare_headers(wsgi_req, "200 OK", 6)) {
uwsgi_500(wsgi_req);
goto end;
}
// content_length
if (uwsgi_response_add_content_length(wsgi_req, output_rlen)) {
uwsgi_500(wsgi_req);
goto end;
}
// content_type
if (uwsgi_response_add_content_type(wsgi_req, uxslt.content_type, uxslt.content_type_len)) {
uwsgi_500(wsgi_req);
goto end;
}
uwsgi_response_write_body_do(wsgi_req, output, output_rlen);
end:
xmlFree(output);
return UWSGI_OK;
}
static int uwsgi_routing_func_memcached(struct wsgi_request *wsgi_req, struct uwsgi_route *ur){
// this is the buffer for the memcached response
char buf[MEMCACHED_BUFSIZE];
size_t i;
char last_char = 0;
struct uwsgi_router_memcached_conf *urmc = (struct uwsgi_router_memcached_conf *) ur->data2;
char **subject = (char **) (((char *)(wsgi_req))+ur->subject);
uint16_t *subject_len = (uint16_t *) (((char *)(wsgi_req))+ur->subject_len);
struct uwsgi_buffer *ub_key = uwsgi_routing_translate(wsgi_req, ur, *subject, *subject_len, urmc->key, urmc->key_len);
if (!ub_key) return UWSGI_ROUTE_BREAK;
int fd = uwsgi_connect(urmc->addr, 0, 1);
if (fd < 0) { uwsgi_buffer_destroy(ub_key) ; goto end; }
// wait for connection;
int ret = uwsgi.wait_write_hook(fd, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT]);
if (ret <= 0) {
uwsgi_buffer_destroy(ub_key) ;
close(fd);
goto end;
}
// build the request and send it
char *cmd = uwsgi_concat3n("get ", 4, ub_key->buf, ub_key->pos, "\r\n", 2);
if (uwsgi_write_true_nb(fd, cmd, 6+ub_key->pos, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT])) {
uwsgi_buffer_destroy(ub_key);
free(cmd);
close(fd);
goto end;
}
uwsgi_buffer_destroy(ub_key);
free(cmd);
// ok, start reading the response...
// first we need to get a full line;
size_t found = 0;
size_t pos = 0;
for(;;) {
ssize_t len = read(fd, buf + pos, MEMCACHED_BUFSIZE - pos);
if (len > 0) {
pos += len;
goto read;
}
if (len < 0) {
if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINPROGRESS) goto wait;
}
close(fd);
goto end;
wait:
ret = uwsgi.wait_read_hook(fd, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT]);
// when we have a chunk try to read the first line
if (ret > 0) {
len = read(fd, buf + pos, MEMCACHED_BUFSIZE - pos);
if (len > 0) {
pos += len;
goto read;
}
}
close(fd);
goto end;
read:
for(i=0;i<pos;i++) {
if (last_char == '\r' && buf[i] == '\n') {
found = i-1;
break;
}
last_char = buf[i];
}
if (found) break;
}
// ok parse the first line
size_t response_size = memcached_firstline_parse(buf, found);
if (response_size == 0) {
close(fd);
goto end;
}
if (urmc->type_num == 1) {
if (uwsgi_response_prepare_headers(wsgi_req, "200 OK", 6)) { close(fd); goto end; }
if (uwsgi_response_add_content_type(wsgi_req, urmc->content_type, urmc->content_type_len)) { close(fd); goto end; }
if (uwsgi_response_add_content_length(wsgi_req, response_size)) { close(fd); goto end; }
}
size_t remains = pos-(found+2);
if (remains >= response_size) {
uwsgi_response_write_body_do(wsgi_req, buf+found+2, response_size);
close(fd);
goto end;
}
// send what we have
if (uwsgi_response_write_body_do(wsgi_req, buf+found+2, remains)) {
close(fd);
goto end;
}
// and now start reading til the output is consumed
response_size -= remains;
while(response_size > 0) {
ssize_t len = read(fd, buf, UMIN(MEMCACHED_BUFSIZE, response_size));
if (len > 0) goto write;
if (len < 0) {
if (errno == EAGAIN || errno == EWOULDBLOCK || errno == EINPROGRESS) goto wait2;
}
goto error;
wait2:
ret = uwsgi.wait_read_hook(fd, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT]);
if (ret > 0) {
len = read(fd, buf, UMIN(MEMCACHED_BUFSIZE, response_size));
if (len > 0) goto write;
}
goto error;
write:
if (uwsgi_response_write_body_do(wsgi_req, buf, len)) {
goto error;
}
response_size -= len;
}
close(fd);
return UWSGI_ROUTE_BREAK;
error:
close(fd);
end:
if (ur->custom)
return UWSGI_ROUTE_NEXT;
return UWSGI_ROUTE_BREAK;
}