void uwsgi_python_harakiri(int wid) {
if (up.tracebacker) {
char buf[8192];
char *address = uwsgi_concat2(up.tracebacker, uwsgi_num2str(wid));
int fd = uwsgi_connect(address, -1, 0);
for (;;) {
int ret = uwsgi_waitfd(fd, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT]);
if (ret <= 0) {
break;
}
ssize_t len = read(fd, buf, 8192);
if (len <= 0) {
break;
}
uwsgi_log("%.*s", (int) len, buf);
}
free(address);
}
}
static void uwsgi_rados_add_mountpoint(char *arg, size_t arg_len) {
struct uwsgi_rados_mountpoint *urmp = uwsgi_calloc(sizeof(struct uwsgi_rados_mountpoint));
if (uwsgi_kvlist_parse(arg, arg_len, ',', '=',
"mountpoint", &urmp->mountpoint,
"config", &urmp->config,
"pool", &urmp->pool,
"timeout", &urmp->str_timeout,
"allow_put", &urmp->allow_put,
"allow_delete", &urmp->allow_delete,
"allow_mkcol", &urmp->allow_mkcol,
"allow_propfind", &urmp->allow_propfind,
"username", &urmp->username,
"buffer_size", &urmp->str_buffer_size,
"put_buffer_size", &urmp->str_put_buffer_size,
NULL)) {
uwsgi_log("unable to parse rados mountpoint definition\n");
exit(1);
}
if (!urmp->mountpoint|| !urmp->pool) {
uwsgi_log("[rados] mount requires a mountpoint, and a pool name.\n");
exit(1);
}
if (urmp->str_timeout) {
urmp->timeout = atoi(urmp->str_timeout);
}
if (urmp->str_buffer_size) {
urmp->buffer_size = atoi(urmp->str_buffer_size);
if (urmp->buffer_size > MAX_BUF_SIZE) {
urmp->buffer_size = MAX_BUF_SIZE;
}
else if (urmp->buffer_size < MIN_BUF_SIZE) {
urmp->buffer_size = MIN_BUF_SIZE;
}
}
else {
urmp->buffer_size = DEF_BUF_SIZE;
}
if (urmp->str_put_buffer_size) {
urmp->put_buffer_size = atoi(urmp->str_put_buffer_size);
if (urmp->put_buffer_size > MAX_BUF_SIZE) {
urmp->put_buffer_size = MAX_BUF_SIZE;
}
else if (urmp->put_buffer_size < MIN_BUF_SIZE) {
urmp->put_buffer_size = MIN_BUF_SIZE;
}
}
else {
urmp->put_buffer_size = urmp->buffer_size;
}
time_t now = uwsgi_now();
uwsgi_log("[rados] mounting %s ...\n", urmp->mountpoint);
rados_t cluster;
if (rados_create(&cluster, urmp->username) < 0) {
uwsgi_error("can't create Ceph cluster handle");
exit(1);
}
urmp->cluster = cluster;
if (urmp->config)
uwsgi_log("using Ceph conf:%s\n", urmp->config);
else
uwsgi_log("using default Ceph conf.\n");
if (rados_conf_read_file(cluster, urmp->config) < 0) {
uwsgi_error("can't configure Ceph cluster handle");
exit(1);
}
int timeout = urmp->timeout ? urmp->timeout : urados.timeout;
char *timeout_str = uwsgi_num2str(timeout);
rados_conf_set(cluster, "client_mount_timeout", timeout_str);
rados_conf_set(cluster, "rados_mon_op_timeout", timeout_str);
rados_conf_set(cluster, "rados_osd_op_timeout", timeout_str);
free(timeout_str);
if (rados_connect(cluster) < 0) {
uwsgi_error("can't connect with Ceph cluster");
exit(1);
}
void *ctx_ptr;
if (uwsgi.threads > 1) {
int i;
rados_ioctx_t *ctxes = uwsgi_calloc(sizeof(rados_ioctx_t) * uwsgi.threads);
for(i=0;i<uwsgi.threads;i++) {
if (rados_ioctx_create(cluster, urmp->pool, &ctxes[i]) < 0) {
uwsgi_error("can't open rados pool")
rados_shutdown(cluster);
exit(1);
}
}
ctx_ptr = ctxes;
}
else {
rados_ioctx_t ctx;
if (rados_ioctx_create(cluster, urmp->pool, &ctx) < 0) {
uwsgi_error("can't open rados pool")
rados_shutdown(cluster);
exit(1);
}
ctx_ptr = ctx;
}
char fsid[37];
rados_cluster_fsid(cluster, fsid, 37);
uwsgi_log("connected to Ceph pool: %s on cluster %.*s\n", urmp->pool, 37, fsid);
int id = uwsgi_apps_cnt;
struct uwsgi_app *ua = uwsgi_add_app(id, rados_plugin.modifier1, urmp->mountpoint, strlen(urmp->mountpoint), NULL, (void*)1);
if (!ua) {
uwsgi_log("[rados] unable to mount %s\n", urmp->mountpoint);
rados_shutdown(cluster);
exit(1);
}
ua->responder0 = ctx_ptr;
ua->responder1 = urmp;
ua->started_at = now;
ua->startup_time = uwsgi_now() - now;
uwsgi_log("Rados app/mountpoint %d (%s) loaded in %d seconds at %p\n", id, urmp->mountpoint, (int) ua->startup_time, ctx_ptr);
}
void *uwsgi_python_tracebacker_thread(void *foobar) {
struct iovec iov[9];
PyObject *new_thread = uwsgi_python_setup_thread("uWSGITraceBacker");
if (!new_thread) return NULL;
struct sockaddr_un so_sun;
socklen_t so_sun_len = 0;
char *str_wid = uwsgi_num2str(uwsgi.mywid);
char *sock_path = uwsgi_concat2(up.tracebacker, str_wid);
int current_defer_accept = uwsgi.no_defer_accept;
uwsgi.no_defer_accept = 1;
int fd = bind_to_unix(sock_path, uwsgi.listen_queue, uwsgi.chmod_socket, uwsgi.abstract_socket);
uwsgi.no_defer_accept = current_defer_accept;
PyObject *threading_module = PyImport_ImportModule("threading");
if (!threading_module) return NULL;
//PyObject *threading_dict = PyModule_GetDict(threading_module);
PyObject *traceback_module = PyImport_ImportModule("traceback");
if (!traceback_module) return NULL;
PyObject *traceback_dict = PyModule_GetDict(traceback_module);
PyObject *extract_stack = PyDict_GetItemString(traceback_dict, "extract_stack");
PyObject *sys_module = PyImport_ImportModule("sys");
PyObject *sys_dict = PyModule_GetDict(sys_module);
PyObject *_current_frames = PyDict_GetItemString(sys_dict, "_current_frames");
uwsgi_log("python tracebacker for worker %d available on %s\n", uwsgi.mywid, sock_path);
for(;;) {
UWSGI_RELEASE_GIL;
int client_fd = accept(fd, (struct sockaddr *) &so_sun, &so_sun_len);
if (client_fd < 0) {
uwsgi_error("accept()");
UWSGI_GET_GIL;
continue;
}
UWSGI_GET_GIL;
// here is the core of the tracebacker
PyObject *current_frames = PyEval_CallObject(_current_frames, (PyObject *)NULL);
if (!current_frames) goto end;
uwsgi_log("current_frames = %p\n", current_frames);
PyObject *current_frames_items = PyObject_GetAttrString(current_frames, "items");
if (!current_frames_items) goto end;
uwsgi_log("current_frames_items = %p\n", current_frames_items);
PyObject *frames_ret = PyEval_CallObject(current_frames_items, (PyObject *)NULL);
if (!frames_ret) goto end;
uwsgi_log("frames_ret = %p\n", frames_ret);
PyObject *frames_iter = PyObject_GetIter(frames_ret);
uwsgi_log("frames_iter = %p\n", frames_iter);
PyObject *frame = PyIter_Next(frames_iter);
while(frame) {
uwsgi_log("frame = %p\n", frame);
PyObject *stack = PyTuple_GetItem(frame, 1);
uwsgi_log("stack = %p\n", stack);
PyObject *arg_tuple = PyTuple_New(1);
PyTuple_SetItem(arg_tuple, 0, stack);
PyObject *stacktrace = PyEval_CallObject( extract_stack, arg_tuple);
uwsgi_log("stacktrace = %p\n", stacktrace);
PyObject *stacktrace_iter = PyObject_GetIter(stacktrace);
PyObject *st_items = PyIter_Next(stacktrace_iter);
while(st_items) {
uwsgi_log("st_items = %p\n", st_items);
PyObject *st_filename = PyTuple_GetItem(st_items, 0);
PyObject *st_lineno = PyTuple_GetItem(st_items, 1);
PyObject *st_name = PyTuple_GetItem(st_items, 2);
PyObject *st_line = PyTuple_GetItem(st_items, 3);
iov[0].iov_base = "filename = ";
iov[0].iov_len = 11;
iov[1].iov_base = PyString_AsString(st_filename);
iov[1].iov_len = strlen(iov[1].iov_base);
iov[2].iov_base = " lineno = ";
iov[2].iov_len = 10 ;
iov[3].iov_base = uwsgi_num2str(PyInt_AsLong(st_lineno));
iov[3].iov_len = strlen(iov[3].iov_base);
iov[4].iov_base = " function = ";
iov[4].iov_len = 12 ;
iov[5].iov_base = PyString_AsString(st_name);
iov[5].iov_len = strlen(iov[5].iov_base);
iov[6].iov_base = "\n";
iov[6].iov_len = 1 ;
if (st_line) {
}
if (writev(client_fd, iov, 7) < 0) {
uwsgi_error("writev()");
}
st_items = PyIter_Next(stacktrace_iter);
}
frame = PyIter_Next(frames_iter);
}
end:
close(client_fd);
}
return NULL;
}
void uwsgi_check_logrotate(void) {
char message[1024];
int need_rotation = 0;
int need_reopen = 0;
if (uwsgi.log_master) {
uwsgi.shared->logsize = lseek(uwsgi.original_log_fd, 0, SEEK_CUR);
}
else {
uwsgi.shared->logsize = lseek(2, 0, SEEK_CUR);
}
if (uwsgi.log_maxsize > 0 && uwsgi.shared->logsize > uwsgi.log_maxsize) {
need_rotation = 1;
}
if (uwsgi_check_touches(uwsgi.touch_logrotate)) {
need_rotation = 1;
}
if (uwsgi_check_touches(uwsgi.touch_logreopen)) {
need_reopen = 1;
}
if (need_rotation) {
char *rot_name = uwsgi.log_backupname;
int need_free = 0;
if (rot_name == NULL) {
char *ts_str = uwsgi_num2str((int) uwsgi_now());
rot_name = uwsgi_concat3(uwsgi.logfile, ".", ts_str);
free(ts_str);
need_free = 1;
}
int ret = snprintf(message, 1024, "[%d] logsize: %llu, triggering rotation to %s...\n", (int) uwsgi_now(), (unsigned long long) uwsgi.shared->logsize, rot_name);
if (ret > 0) {
if (write(uwsgi.original_log_fd, message, ret) != ret) {
// very probably this will never be printed
uwsgi_error("write()");
}
}
if (rename(uwsgi.logfile, rot_name) == 0) {
// reopen logfile dup'it and eventually gracefully reload workers;
int fd = open(uwsgi.logfile, O_RDWR | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP);
if (fd < 0) {
uwsgi_error_open(uwsgi.logfile);
grace_them_all(0);
}
if (dup2(fd, uwsgi.original_log_fd) < 0) {
uwsgi_error("dup2()");
grace_them_all(0);
}
close(fd);
}
else {
uwsgi_error("unable to rotate log: rename()");
}
if (need_free)
free(rot_name);
}
else if (need_reopen) {
int ret = snprintf(message, 1024, "[%d] logsize: %llu, triggering log-reopen...\n", (int) uwsgi_now(), (unsigned long long) uwsgi.shared->logsize);
if (ret > 0) {
if (write(uwsgi.original_log_fd, message, ret) != ret) {
// very probably this will never be printed
uwsgi_error("write()");
}
}
// reopen logfile;
close(uwsgi.original_log_fd);
uwsgi.original_log_fd = open(uwsgi.logfile, O_RDWR | O_CREAT | O_APPEND, S_IRUSR | S_IWUSR | S_IRGRP);
if (uwsgi.original_log_fd < 0) {
uwsgi_error_open(uwsgi.logfile);
grace_them_all(0);
}
ret = snprintf(message, 1024, "[%d] %s reopened.\n", (int) uwsgi_now(), uwsgi.logfile);
if (ret > 0) {
if (write(uwsgi.original_log_fd, message, ret) != ret) {
// very probably this will never be printed
uwsgi_error("write()");
}
}
uwsgi.shared->logsize = lseek(uwsgi.original_log_fd, 0, SEEK_CUR);
}
}
ssize_t uwsgi_lf_msecs(struct wsgi_request *wsgi_req, char **buf) {
int microseconds = wsgi_req->end_of_request.tv_sec * 1000000 + wsgi_req->end_of_request.tv_usec;
int microseconds2 = wsgi_req->start_of_request.tv_sec * 1000000 + wsgi_req->start_of_request.tv_usec;
*buf = uwsgi_num2str((microseconds - microseconds2)/1000);
return strlen(*buf);
}
ssize_t uwsgi_lf_time(struct wsgi_request *wsgi_req, char **buf) {
*buf = uwsgi_num2str(wsgi_req->start_of_request.tv_sec);
return strlen(*buf);
}
void uwsgi_json_config(char *file, char *magic_table[]) {
size_t len = 0;
char *json_data;
const char *key;
json_t *root;
json_error_t error;
json_t *config;
json_t *config_value, *config_array_item;
void *config_iter;
char *object_asked = "uwsgi";
char *colon;
int i;
if (uwsgi_check_scheme(file)) {
colon = uwsgi_get_last_char(file, '/');
colon = uwsgi_get_last_char(colon, ':');
}
else {
colon = uwsgi_get_last_char(file, ':');
}
if (colon) {
colon[0] = 0;
if (colon[1] != 0) {
object_asked = colon + 1;
}
}
uwsgi_log_initial("[uWSGI] getting JSON configuration from %s\n", file);
json_data = uwsgi_open_and_read(file, &len, 1, magic_table);
#ifdef JANSSON_MAJOR_VERSION
root = json_loads(json_data, 0, &error);
#else
root = json_loads(json_data, &error);
#endif
if (!root) {
uwsgi_log("error parsing JSON data: line %d %s\n", error.line, error.text);
exit(1);
}
config = json_object_get(root, object_asked);
if (!json_is_object(config)) {
uwsgi_log("you must define a object named %s in your JSON data\n", object_asked);
exit(1);
}
config_iter = json_object_iter(config);
while (config_iter) {
key = json_object_iter_key(config_iter);
config_value = json_object_iter_value(config_iter);
if (json_is_string(config_value)) {
add_exported_option((char *) key, (char *) json_string_value(config_value), 0);
}
else if (json_is_true(config_value)) {
add_exported_option((char *) key, strdup("1"), 0);
}
else if (json_is_false(config_value) || json_is_null(config_value)) {
add_exported_option((char *) key, strdup("0"), 0);
}
else if (json_is_integer(config_value)) {
add_exported_option((char *) key, uwsgi_num2str(json_integer_value(config_value)), 0);
}
else if (json_is_array(config_value)) {
for (i = 0; i < (int) json_array_size(config_value); i++) {
config_array_item = json_array_get(config_value, i);
if (json_is_string(config_array_item)) {
add_exported_option((char *) key, (char *) json_string_value(config_array_item), 0);
}
else if (json_is_true(config_array_item)) {
add_exported_option((char *) key, strdup("1"), 0);
}
else if (json_is_false(config_array_item) || json_is_null(config_array_item)) {
add_exported_option((char *) key, strdup("0"), 0);
}
else if (json_is_integer(config_array_item)) {
add_exported_option((char *) key, uwsgi_num2str(json_integer_value(config_array_item)), 0);
}
}
}
config_iter = json_object_iter_next(config, config_iter);
}
if (colon) colon[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;
}
void uwsgi_setup_locking() {
int i;
if (uwsgi.locking_setup) return;
// use the fastest available locking
if (uwsgi.lock_engine) {
if (!strcmp(uwsgi.lock_engine, "ipcsem")) {
uwsgi_log_initial("lock engine: ipcsem\n");
atexit(uwsgi_ipcsem_clear);
uwsgi.lock_ops.lock_init = uwsgi_lock_ipcsem_init;
uwsgi.lock_ops.lock_check = uwsgi_lock_ipcsem_check;
uwsgi.lock_ops.lock = uwsgi_lock_ipcsem;
uwsgi.lock_ops.unlock = uwsgi_unlock_ipcsem;
uwsgi.lock_ops.rwlock_init = uwsgi_rwlock_ipcsem_init;
uwsgi.lock_ops.rwlock_check = uwsgi_rwlock_ipcsem_check;
uwsgi.lock_ops.rlock = uwsgi_rlock_ipcsem;
uwsgi.lock_ops.wlock = uwsgi_wlock_ipcsem;
uwsgi.lock_ops.rwunlock = uwsgi_rwunlock_ipcsem;
uwsgi.lock_size = 8;
uwsgi.rwlock_size = 8;
goto ready;
}
uwsgi_log("unable to find lock engine \"%s\"\n", uwsgi.lock_engine);
exit(1);
}
uwsgi_log_initial("lock engine: %s\n", UWSGI_LOCK_ENGINE_NAME);
#ifdef UWSGI_IPCSEM_ATEXIT
atexit(uwsgi_ipcsem_clear);
#endif
uwsgi.lock_ops.lock_init = uwsgi_lock_fast_init;
uwsgi.lock_ops.lock_check = uwsgi_lock_fast_check;
uwsgi.lock_ops.lock = uwsgi_lock_fast;
uwsgi.lock_ops.unlock = uwsgi_unlock_fast;
uwsgi.lock_ops.rwlock_init = uwsgi_rwlock_fast_init;
uwsgi.lock_ops.rwlock_check = uwsgi_rwlock_fast_check;
uwsgi.lock_ops.rlock = uwsgi_rlock_fast;
uwsgi.lock_ops.wlock = uwsgi_wlock_fast;
uwsgi.lock_ops.rwunlock = uwsgi_rwunlock_fast;
uwsgi.lock_size = UWSGI_LOCK_SIZE;
uwsgi.rwlock_size = UWSGI_RWLOCK_SIZE;
ready:
// application generic lock
uwsgi.user_lock = uwsgi_malloc(sizeof(void *) * (uwsgi.locks + 1));
for (i = 0; i < uwsgi.locks + 1; i++) {
char *num = uwsgi_num2str(i);
uwsgi.user_lock[i] = uwsgi_lock_init(uwsgi_concat2("user ", num));
free(num);
}
// event queue lock (mitigate same event on multiple queues)
if (uwsgi.threads > 1) {
pthread_mutex_init(&uwsgi.thunder_mutex, NULL);
}
if (uwsgi.master_process) {
// signal table lock
uwsgi.signal_table_lock = uwsgi_lock_init("signal");
// fmon table lock
uwsgi.fmon_table_lock = uwsgi_lock_init("filemon");
// timer table lock
uwsgi.timer_table_lock = uwsgi_lock_init("timer");
// rb_timer table lock
uwsgi.rb_timer_table_lock = uwsgi_lock_init("rbtimer");
// cron table lock
uwsgi.cron_table_lock = uwsgi_lock_init("cron");
}
if (uwsgi.use_thunder_lock) {
// process shared thunder lock
uwsgi.the_thunder_lock = uwsgi_lock_init("thunder");
#ifdef UNBIT
// we have a serious bug on Unbit (and very probably on older libc)
// when all of the workers die in the same moment the pthread robust mutes is left
// in inconsistent state and we have no way to recover
// we span a thread in the master constantly ensuring the lock is ok
// for now we apply it only for Unbit (where thunder-lock is automatically enabled)
uwsgi_robust_mutexes_watchdog();
#endif
}
uwsgi.rpc_table_lock = uwsgi_lock_init("rpc");
#ifdef UWSGI_SSL
// register locking for legions
struct uwsgi_legion *ul = uwsgi.legions;
while(ul) {
ul->lock = uwsgi_lock_init(uwsgi_concat2("legion_", ul->legion));
ul = ul->next;
}
#endif
uwsgi.locking_setup = 1;
}
int uwsgi_emperor_vassal_start(struct uwsgi_instance *n_ui) {
int i;
char *colon = NULL;
int counter;
char **uenvs;
char *uef;
char **vassal_argv;
pid_t pid;
if (socketpair(AF_UNIX, SOCK_STREAM, 0, n_ui->pipe)) {
uwsgi_error("socketpair()");
return -1;
}
event_queue_add_fd_read(uwsgi.emperor_queue, n_ui->pipe[0]);
if (n_ui->use_config) {
if (socketpair(AF_UNIX, SOCK_STREAM, 0, n_ui->pipe_config)) {
uwsgi_error("socketpair()");
return -1;
}
}
if (n_ui->zerg) {
uwsgi.emperor_broodlord_num++;
}
// TODO pre-start hook
// a new uWSGI instance will start
pid = fork();
if (pid < 0) {
uwsgi_error("fork()")
}
else if (pid > 0) {
n_ui->pid = pid;
// close the right side of the pipe
close(n_ui->pipe[1]);
// close the "on demand" socket
if (n_ui->on_demand_fd > -1) {
close(n_ui->on_demand_fd);
n_ui->on_demand_fd = -1;
}
if (n_ui->use_config) {
close(n_ui->pipe_config[1]);
}
if (n_ui->use_config) {
struct uwsgi_header uh;
uh.modifier1 = 115;
uh.pktsize = n_ui->config_len;
uh.modifier2 = 0;
if (write(n_ui->pipe_config[0], &uh, 4) != 4) {
uwsgi_error("[uwsgi-emperor] write() header config");
}
else {
if (write(n_ui->pipe_config[0], n_ui->config, n_ui->config_len) != (long) n_ui->config_len) {
uwsgi_error("[uwsgi-emperor] write() config");
}
}
}
return 0;
}
else {
if (uwsgi.emperor_tyrant) {
uwsgi_log("[emperor-tyrant] dropping privileges to %d %d for instance %s\n", (int) n_ui->uid, (int) n_ui->gid, n_ui->name);
if (setgid(n_ui->gid)) {
uwsgi_error("setgid()");
exit(1);
}
if (setgroups(0, NULL)) {
uwsgi_error("setgroups()");
exit(1);
}
if (setuid(n_ui->uid)) {
uwsgi_error("setuid()");
exit(1);
}
}
unsetenv("UWSGI_RELOADS");
unsetenv("NOTIFY_SOCKET");
uef = uwsgi_num2str(n_ui->pipe[1]);
if (setenv("UWSGI_EMPEROR_FD", uef, 1)) {
uwsgi_error("setenv()");
exit(1);
}
free(uef);
// add UWSGI_BROODLORD_NUM
if (n_ui->zerg) {
uef = uwsgi_num2str(uwsgi.emperor_broodlord_num);
if (setenv("UWSGI_BROODLORD_NUM", uef, 1)) {
uwsgi_error("setenv()");
exit(1);
}
free(uef);
}
if (n_ui->use_config) {
uef = uwsgi_num2str(n_ui->pipe_config[1]);
if (setenv("UWSGI_EMPEROR_FD_CONFIG", uef, 1)) {
uwsgi_error("setenv()");
exit(1);
}
free(uef);
}
uenvs = environ;
while (*uenvs) {
if (!strncmp(*uenvs, "UWSGI_VASSAL_", 13)) {
char *ne = uwsgi_concat2("UWSGI_", *uenvs + 13);
char *oe = uwsgi_concat2n(*uenvs, strchr(*uenvs, '=') - *uenvs, "", 0);
if (unsetenv(oe)) {
uwsgi_error("unsetenv()");
free(oe);
break;
}
free(oe);
#ifdef UWSGI_DEBUG
uwsgi_log("putenv %s\n", ne);
#endif
if (putenv(ne)) {
uwsgi_error("putenv()");
}
// do not free ne as putenv will add it to the environ
uenvs = environ;
continue;
}
uenvs++;
}
// close the left side of the pipe
close(n_ui->pipe[0]);
if (n_ui->use_config) {
close(n_ui->pipe_config[0]);
}
counter = 4;
struct uwsgi_string_list *uct = uwsgi.vassals_templates;
while (uct) {
counter += 2;
uct = uct->next;
}
vassal_argv = uwsgi_malloc(sizeof(char *) * counter);
// set args
vassal_argv[0] = uwsgi.binary_path;
if (uwsgi.emperor_broodlord) {
colon = strchr(n_ui->name, ':');
if (colon) {
colon[0] = 0;
}
}
// initialize to a default value
vassal_argv[1] = "--inherit";
if (!strcmp(n_ui->name + (strlen(n_ui->name) - 4), ".xml"))
vassal_argv[1] = "--xml";
if (!strcmp(n_ui->name + (strlen(n_ui->name) - 4), ".ini"))
vassal_argv[1] = "--ini";
if (!strcmp(n_ui->name + (strlen(n_ui->name) - 4), ".yml"))
vassal_argv[1] = "--yaml";
if (!strcmp(n_ui->name + (strlen(n_ui->name) - 5), ".yaml"))
vassal_argv[1] = "--yaml";
if (!strcmp(n_ui->name + (strlen(n_ui->name) - 3), ".js"))
vassal_argv[1] = "--json";
if (!strcmp(n_ui->name + (strlen(n_ui->name) - 5), ".json"))
vassal_argv[1] = "--json";
struct uwsgi_string_list *usl = uwsgi.emperor_extra_extension;
while(usl) {
if (uwsgi_endswith(n_ui->name, usl->value)) {
vassal_argv[1] = "--config";
break;
}
usl = usl->next;
}
if (colon) {
colon[0] = ':';
}
vassal_argv[2] = n_ui->name;
if (uwsgi.emperor_magic_exec) {
if (!access(n_ui->name, R_OK | X_OK)) {
vassal_argv[2] = uwsgi_concat2("exec://", n_ui->name);
}
}
if (n_ui->use_config) {
vassal_argv[2] = uwsgi_concat2("emperor://", n_ui->name);
}
counter = 3;
uct = uwsgi.vassals_templates;
while (uct) {
vassal_argv[counter] = "--inherit";
vassal_argv[counter + 1] = uct->value;
counter += 2;
uct = uct->next;
}
vassal_argv[counter] = NULL;
// disable stdin OR map it to the "on demand" socket
if (n_ui->on_demand_fd > -1) {
if (n_ui->on_demand_fd != 0) {
if (dup2(n_ui->on_demand_fd, 0) < 0) {
uwsgi_error("dup2()");
exit(1);
}
close(n_ui->on_demand_fd);
}
}
else {
int stdin_fd = open("/dev/null", O_RDONLY);
if (stdin_fd < 0) {
uwsgi_error_open("/dev/null");
exit(1);
}
if (stdin_fd != 0) {
if (dup2(stdin_fd, 0) < 0) {
uwsgi_error("dup2()");
exit(1);
}
close(stdin_fd);
}
}
// close all of the unneded fd
for (i = 3; i < (int) uwsgi.max_fd; i++) {
if (n_ui->use_config) {
if (i == n_ui->pipe_config[1])
continue;
}
if (i != n_ui->pipe[1]) {
close(i);
}
}
if (uwsgi.vassals_start_hook) {
uwsgi_log("[emperor] running vassal start-hook: %s %s\n", uwsgi.vassals_start_hook, n_ui->name);
if (uwsgi.emperor_absolute_dir) {
if (setenv("UWSGI_VASSALS_DIR", uwsgi.emperor_absolute_dir, 1)) {
uwsgi_error("setenv()");
}
}
int start_hook_ret = uwsgi_run_command_and_wait(uwsgi.vassals_start_hook, n_ui->name);
uwsgi_log("[emperor] %s start-hook returned %d\n", n_ui->name, start_hook_ret);
}
// start !!!
if (execvp(vassal_argv[0], vassal_argv)) {
uwsgi_error("execvp()");
}
uwsgi_log("[emperor] is the uwsgi binary in your system PATH ?\n");
// never here
exit(UWSGI_EXILE_CODE);
}
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;
}
void *uwsgi_python_tracebacker_thread(void *foobar) {
struct iovec iov[11];
PyObject *new_thread = uwsgi_python_setup_thread("uWSGITraceBacker");
if (!new_thread) return NULL;
struct sockaddr_un so_sun;
socklen_t so_sun_len = 0;
char *str_wid = uwsgi_num2str(uwsgi.mywid);
char *sock_path = uwsgi_concat2(up.tracebacker, str_wid);
int current_defer_accept = uwsgi.no_defer_accept;
uwsgi.no_defer_accept = 1;
int fd = bind_to_unix(sock_path, uwsgi.listen_queue, uwsgi.chmod_socket, uwsgi.abstract_socket);
if (fd < 0) {
uwsgi.no_defer_accept = current_defer_accept;
free(str_wid);
free(sock_path);
return NULL;
}
uwsgi.no_defer_accept = current_defer_accept;
PyObject *traceback_module = PyImport_ImportModule("traceback");
if (!traceback_module) {
free(str_wid);
free(sock_path);
close(fd);
return NULL;
}
PyObject *traceback_dict = PyModule_GetDict(traceback_module);
PyObject *extract_stack = PyDict_GetItemString(traceback_dict, "extract_stack");
PyObject *sys_module = PyImport_ImportModule("sys");
PyObject *sys_dict = PyModule_GetDict(sys_module);
PyObject *_current_frames = PyDict_GetItemString(sys_dict, "_current_frames");
uwsgi_log("python tracebacker for worker %d available on %s\n", uwsgi.mywid, sock_path);
for(;;) {
UWSGI_RELEASE_GIL;
int client_fd = accept(fd, (struct sockaddr *) &so_sun, &so_sun_len);
if (client_fd < 0) {
uwsgi_error("accept()");
UWSGI_GET_GIL;
continue;
}
UWSGI_GET_GIL;
// here is the core of the tracebacker
PyObject *current_frames = PyEval_CallObject(_current_frames, (PyObject *)NULL);
if (!current_frames) goto end2;
PyObject *current_frames_items = PyObject_GetAttrString(current_frames, "items");
if (!current_frames_items) goto end;
PyObject *frames_ret = PyEval_CallObject(current_frames_items, (PyObject *)NULL);
if (!frames_ret) goto end3;
PyObject *frames_iter = PyObject_GetIter(frames_ret);
if (!frames_iter) goto end4;
// we have the first frame, lets parse it
if (write(client_fd, "*** uWSGI Python tracebacker output ***\n\n", 41) < 0) {
uwsgi_error("write()");
}
PyObject *frame = PyIter_Next(frames_iter);
while(frame) {
PyObject *thread_id = PyTuple_GetItem(frame, 0);
if (!thread_id) goto next2;
PyObject *stack = PyTuple_GetItem(frame, 1);
if (!stack) goto next2;
PyObject *arg_tuple = PyTuple_New(1);
PyTuple_SetItem(arg_tuple, 0, stack);
Py_INCREF(stack);
PyObject *stacktrace = PyEval_CallObject( extract_stack, arg_tuple);
Py_DECREF(arg_tuple);
if (!stacktrace) goto next2;
PyObject *stacktrace_iter = PyObject_GetIter(stacktrace);
if (!stacktrace_iter) { Py_DECREF(stacktrace); goto next2;}
PyObject *st_items = PyIter_Next(stacktrace_iter);
// we have the first traceback item
while(st_items) {
#ifdef PYTHREE
int thread_name_need_free = 0;
#endif
PyObject *st_filename = PyTuple_GetItem(st_items, 0);
if (!st_filename) { Py_DECREF(st_items); goto next; }
PyObject *st_lineno = PyTuple_GetItem(st_items, 1);
if (!st_lineno) {Py_DECREF(st_items); goto next;}
PyObject *st_name = PyTuple_GetItem(st_items, 2);
if (!st_name) {Py_DECREF(st_items); goto next;}
PyObject *st_line = PyTuple_GetItem(st_items, 3);
iov[0].iov_base = "thread_id = ";
iov[0].iov_len = 12;
iov[1].iov_base = uwsgi_python_get_thread_name(thread_id);
if (!iov[1].iov_base) {
iov[1].iov_base = "<UnnamedPythonThread>";
}
#ifdef PYTHREE
else {
thread_name_need_free = 1;
}
#endif
iov[1].iov_len = strlen(iov[1].iov_base);
iov[2].iov_base = " filename = ";
iov[2].iov_len = 12;
#ifdef PYTHREE
PyObject *st_filename_utf8 = PyUnicode_AsUTF8String(st_filename);
if (!st_filename_utf8) {
if (thread_name_need_free) free(iov[1].iov_base);
goto next;
}
iov[3].iov_base = PyString_AsString(st_filename_utf8);
#else
iov[3].iov_base = PyString_AsString(st_filename);
#endif
iov[3].iov_len = strlen(iov[3].iov_base);
iov[4].iov_base = " lineno = ";
iov[4].iov_len = 10 ;
iov[5].iov_base = uwsgi_num2str(PyInt_AsLong(st_lineno));
iov[5].iov_len = strlen(iov[5].iov_base);
iov[6].iov_base = " function = ";
iov[6].iov_len = 12 ;
#ifdef PYTHREE
PyObject *st_name_utf8 = PyUnicode_AsUTF8String(st_name);
if (!st_name_utf8) {
if (thread_name_need_free) free(iov[1].iov_base);
Py_DECREF(st_filename_utf8);
goto next;
}
iov[7].iov_base = PyString_AsString(st_name_utf8);
#else
iov[7].iov_base = PyString_AsString(st_name);
#endif
iov[7].iov_len = strlen(iov[7].iov_base);
iov[8].iov_base = "";
iov[8].iov_len = 0 ;
iov[9].iov_base = "";
iov[9].iov_len = 0;
iov[10].iov_base = "\n";
iov[10].iov_len = 1;
#ifdef PYTHREE
PyObject *st_line_utf8 = NULL;
#endif
if (st_line) {
iov[8].iov_base = " line = ";
iov[8].iov_len = 8;
#ifdef PYTHREE
PyObject *st_line_utf8 = PyUnicode_AsUTF8String(st_line);
if (!st_line_utf8) {
if (thread_name_need_free) free(iov[1].iov_base);
Py_DECREF(st_filename_utf8);
Py_DECREF(st_name_utf8);
goto next;
}
iov[9].iov_base = PyString_AsString(st_line_utf8);
#else
iov[9].iov_base = PyString_AsString(st_line);
#endif
iov[9].iov_len = strlen(iov[9].iov_base);
}
if (writev(client_fd, iov, 11) < 0) {
uwsgi_error("writev()");
}
// free the line_no
free(iov[5].iov_base);
Py_DECREF(st_items);
#ifdef PYTHREE
Py_DECREF(st_filename_utf8);
Py_DECREF(st_name_utf8);
if (st_line_utf8) {
Py_DECREF(st_line_utf8);
}
if (thread_name_need_free)
free(iov[1].iov_base);
#endif
st_items = PyIter_Next(stacktrace_iter);
}
if (write(client_fd, "\n", 1) < 0) {
uwsgi_error("write()");
}
next:
Py_DECREF(stacktrace_iter);
Py_DECREF(stacktrace);
next2:
Py_DECREF(frame);
frame = PyIter_Next(frames_iter);
}
Py_DECREF(frames_iter);
end4:
Py_DECREF(frames_ret);
end3:
Py_DECREF(current_frames_items);
end:
Py_DECREF(current_frames);
end2:
close(client_fd);
}
return NULL;
}
void uwsgi_fork_server(char *socket) {
// map fd 0 to /dev/null to avoid mess
uwsgi_remap_fd(0, "/dev/null");
int fd = bind_to_unix(socket, uwsgi.listen_queue, uwsgi.chmod_socket, uwsgi.abstract_socket);
if (fd < 0) exit(1);
// automatically receive credentials (TODO make something useful with them, like checking the pid is from the Emperor)
if (uwsgi_socket_passcred(fd)) exit(1);
// initialize the event queue
int eq = event_queue_init();
if (uwsgi.has_emperor) {
event_queue_add_fd_read(eq, uwsgi.emperor_fd);
}
event_queue_add_fd_read(eq, fd);
// now start waiting for connections
for(;;) {
int interesting_fd = -1;
int rlen = event_queue_wait(eq, -1, &interesting_fd);
if (rlen <= 0) continue;
if (uwsgi.has_emperor && interesting_fd == uwsgi.emperor_fd) {
char byte;
ssize_t rlen = read(uwsgi.emperor_fd, &byte, 1);
if (rlen > 0) {
uwsgi_log_verbose("received message %d from emperor\n", byte);
}
exit(0);
}
if (interesting_fd != fd) continue;
struct sockaddr_un client_src;
socklen_t client_src_len = 0;
int client_fd = accept(fd, (struct sockaddr *) &client_src, &client_src_len);
if (client_fd < 0) {
uwsgi_error("uwsgi_fork_server()/accept()");
continue;
}
char hbuf[4];
pid_t ppid = -1;
uid_t uid = -1;
gid_t gid = -1;
int fds_count = 8;
size_t remains = 4;
// we can receive up to 8 fds (generally from 1 to 3)
int fds[8];
// we only read 4 bytes header
ssize_t len = uwsgi_recv_cred_and_fds(client_fd, hbuf, remains, &ppid, &uid, &gid, fds, &fds_count);
uwsgi_log_verbose("[uwsgi-fork-server] connection from pid: %d uid: %d gid:%d fds:%d\n", ppid, uid, gid, fds_count);
if (len <= 0 || fds_count < 1) {
uwsgi_error("uwsgi_fork_server()/recvmsg()");
goto end;
}
remains -= len;
if (uwsgi_read_nb(client_fd, hbuf + (4-remains), remains, uwsgi.socket_timeout)) {
uwsgi_error("uwsgi_fork_server()/uwsgi_read_nb()");
goto end;
}
struct uwsgi_header *uh = (struct uwsgi_header *) hbuf;
// this memory area must be freed in the right place !!!
char *body_argv = uwsgi_malloc(uh->_pktsize);
if (uwsgi_read_nb(client_fd, body_argv, uh->_pktsize, uwsgi.socket_timeout)) {
free(body_argv);
uwsgi_error("uwsgi_fork_server()/uwsgi_read_nb()");
goto end;
}
pid_t pid = fork();
if (pid < 0) {
free(body_argv);
int i;
for(i=0;i<fds_count;i++) close(fds[i]);
// error on fork()
uwsgi_error("uwsgi_fork_server()/fork()");
goto end;
}
else if (pid > 0) {
free(body_argv);
// close inherited decriptors
int i;
for(i=0;i<fds_count;i++) close(fds[i]);
// wait for child death...
waitpid(pid, NULL, 0);
goto end;
}
else {
// close Emperor channels
// we do not close others file desctiptor as lot
// of funny tricks could be accomplished with them
if (uwsgi.has_emperor) {
close(uwsgi.emperor_fd);
if (uwsgi.emperor_fd_config > -1) close(uwsgi.emperor_fd_config);
}
// set EMPEROR_FD and FD_CONFIG env vars
char *uef = uwsgi_num2str(fds[0]);
if (setenv("UWSGI_EMPEROR_FD", uef, 1)) {
uwsgi_error("uwsgi_fork_server()/setenv()");
exit(1);
}
free(uef);
int pipe_config = -1;
int on_demand = -1;
if (uh->modifier2 & VASSAL_HAS_CONFIG && fds_count > 1) {
pipe_config = fds[1];
char *uef = uwsgi_num2str(pipe_config);
if (setenv("UWSGI_EMPEROR_FD_CONFIG", uef, 1)) {
uwsgi_error("uwsgi_fork_server()/setenv()");
exit(1);
}
free(uef);
}
if (uh->modifier2 & VASSAL_HAS_ON_DEMAND && fds_count > 1) {
if (pipe_config > -1) {
if (fds_count > 2) {
on_demand = fds[2];
}
}
else {
on_demand = fds[1];
}
}
// dup the on_demand socket to 0 and close it
if (on_demand > -1) {
if (dup2(on_demand, 0) < 0) {
uwsgi_error("uwsgi_fork_server()/dup2()");
exit(1);
}
close(on_demand);
}
// now fork again and die
pid_t new_pid = fork();
if (new_pid < 0) {
uwsgi_error("uwsgi_fork_server()/fork()");
exit(1);
}
else if (new_pid > 0) {
exit(0);
}
else {
// send the pid to the client_fd and close it
struct uwsgi_buffer *ub = uwsgi_buffer_new(uwsgi.page_size);
// leave space for header
ub->pos = 4;
if (uwsgi_buffer_append_keynum(ub, "pid", 3, getpid())) exit(1);
// fix uwsgi header
if (uwsgi_buffer_set_uh(ub, 35, 0)) goto end;
// send_pid()
if (uwsgi_write_nb(client_fd, ub->buf, ub->pos, uwsgi.socket_timeout)) exit(1);
close(client_fd);
uwsgi_log("double fork() and reparenting successful (new pid: %d)\n", getpid());
uwsgi_buffer_destroy(ub);
// now parse the uwsgi packet array and build the argv
struct uwsgi_string_list *usl = NULL, *usl_argv = NULL;
uwsgi_hooked_parse_array(body_argv, uh->_pktsize, parse_argv_hook, &usl_argv);
free(body_argv);
// build new argc/argv
uwsgi.new_argc = 0;
size_t procname_len = 1;
uwsgi_foreach(usl, usl_argv) {
uwsgi.new_argc++;
procname_len += usl->len + 1;
}
char *new_procname = uwsgi_calloc(procname_len);
uwsgi.new_argv = uwsgi_calloc(sizeof(char *) * (uwsgi.new_argc + 1));
int counter = 0;
uwsgi_foreach(usl, usl_argv) {
uwsgi.new_argv[counter] = usl->value;
strcat(new_procname, usl->value);
strcat(new_procname, " ");
counter++;
}
// fix process name
uwsgi_set_processname(new_procname);
free(new_procname);
// this is the only step required to have a consistent environment
uwsgi.fork_socket = NULL;
// this avoids the process to re-exec itself
uwsgi.exit_on_reload = 1;
// fixup the Emperor communication
uwsgi_check_emperor();
// continue with uWSGI startup
return;
}
}
ssize_t uwsgi_lf_msecs(struct wsgi_request *wsgi_req, char **buf) {
*buf = uwsgi_num2str((wsgi_req->end_of_request-wsgi_req->start_of_request)/1000);
return strlen(*buf);
}
void uwsgi_setup_locking() {
int i;
if (uwsgi.locking_setup) return;
// use the fastest available locking
if (uwsgi.lock_engine) {
if (!strcmp(uwsgi.lock_engine, "ipcsem")) {
uwsgi_log_initial("lock engine: ipcsem\n");
atexit(uwsgi_ipcsem_clear);
uwsgi.lock_ops.lock_init = uwsgi_lock_ipcsem_init;
uwsgi.lock_ops.lock_check = uwsgi_lock_ipcsem_check;
uwsgi.lock_ops.lock = uwsgi_lock_ipcsem;
uwsgi.lock_ops.unlock = uwsgi_unlock_ipcsem;
uwsgi.lock_ops.rwlock_init = uwsgi_rwlock_ipcsem_init;
uwsgi.lock_ops.rwlock_check = uwsgi_rwlock_ipcsem_check;
uwsgi.lock_ops.rlock = uwsgi_rlock_ipcsem;
uwsgi.lock_ops.wlock = uwsgi_wlock_ipcsem;
uwsgi.lock_ops.rwunlock = uwsgi_rwunlock_ipcsem;
uwsgi.lock_size = 8;
uwsgi.rwlock_size = 8;
goto ready;
}
uwsgi_log("unable to find lock engine \"%s\"\n", uwsgi.lock_engine);
exit(1);
}
uwsgi_log_initial("lock engine: %s\n", UWSGI_LOCK_ENGINE_NAME);
#ifdef UWSGI_IPCSEM_ATEXIT
atexit(uwsgi_ipcsem_clear);
#endif
uwsgi.lock_ops.lock_init = uwsgi_lock_fast_init;
uwsgi.lock_ops.lock_check = uwsgi_lock_fast_check;
uwsgi.lock_ops.lock = uwsgi_lock_fast;
uwsgi.lock_ops.unlock = uwsgi_unlock_fast;
uwsgi.lock_ops.rwlock_init = uwsgi_rwlock_fast_init;
uwsgi.lock_ops.rwlock_check = uwsgi_rwlock_fast_check;
uwsgi.lock_ops.rlock = uwsgi_rlock_fast;
uwsgi.lock_ops.wlock = uwsgi_wlock_fast;
uwsgi.lock_ops.rwunlock = uwsgi_rwunlock_fast;
uwsgi.lock_size = UWSGI_LOCK_SIZE;
uwsgi.rwlock_size = UWSGI_RWLOCK_SIZE;
ready:
// application generic lock
uwsgi.user_lock = uwsgi_malloc(sizeof(void *) * (uwsgi.locks + 1));
for (i = 0; i < uwsgi.locks + 1; i++) {
uwsgi.user_lock[i] = uwsgi_lock_init(uwsgi_concat2("user ", uwsgi_num2str(i)));
}
// event queue lock (mitigate same event on multiple queues)
if (uwsgi.threads > 1) {
pthread_mutex_init(&uwsgi.thunder_mutex, NULL);
}
if (uwsgi.master_process) {
// signal table lock
uwsgi.signal_table_lock = uwsgi_lock_init("signal");
// fmon table lock
uwsgi.fmon_table_lock = uwsgi_lock_init("filemon");
// timer table lock
uwsgi.timer_table_lock = uwsgi_lock_init("timer");
// rb_timer table lock
uwsgi.rb_timer_table_lock = uwsgi_lock_init("rbtimer");
// cron table lock
uwsgi.cron_table_lock = uwsgi_lock_init("cron");
}
if (uwsgi.use_thunder_lock) {
// process shared thunder lock
uwsgi.the_thunder_lock = uwsgi_lock_init("thunder");
}
uwsgi.rpc_table_lock = uwsgi_lock_init("rpc");
#ifdef UWSGI_SSL
// register locking for legions
struct uwsgi_legion *ul = uwsgi.legions;
while(ul) {
ul->lock = uwsgi_lock_init(uwsgi_concat2("legion_", ul->legion));
ul = ul->next;
}
#endif
uwsgi.locking_setup = 1;
}
static int uwsgi_wevdav_manage_get(struct wsgi_request *wsgi_req, int send_body) {
char filename[PATH_MAX];
size_t filename_len = uwsgi_webdav_expand_path(wsgi_req, wsgi_req->path_info, wsgi_req->path_info_len, filename);
if (!filename_len) {
uwsgi_404(wsgi_req);
return UWSGI_OK;
}
if (uwsgi_is_dir(filename)) {
uwsgi_response_prepare_headers(wsgi_req, "200 OK", 6);
if (send_body) {
uwsgi_webdav_dirlist(wsgi_req, filename);
}
return UWSGI_OK;
}
int fd = open(filename, O_RDONLY);
if (fd < 0) {
uwsgi_403(wsgi_req);
return UWSGI_OK;
}
struct stat st;
if (fstat(fd, &st)) {
close(fd);
uwsgi_403(wsgi_req);
return UWSGI_OK;
}
if (uwsgi_response_prepare_headers(wsgi_req, "200 OK", 6))
goto end;
// add content_length
if (uwsgi_response_add_content_length(wsgi_req, st.st_size))
goto end;
// add last-modified
if (uwsgi_response_add_last_modified(wsgi_req, st.st_mtime))
goto end;
// add mime_type
size_t mime_type_len = 0;
char *mime_type = uwsgi_get_mime_type(filename, filename_len, &mime_type_len);
if (mime_type) {
if (uwsgi_response_add_content_type(wsgi_req, mime_type, mime_type_len))
goto end;
}
// add ETag (based on file mtime, not rock-solid, but good enough)
char *etag = uwsgi_num2str(st.st_mtime);
if (uwsgi_response_add_header(wsgi_req, "ETag", 4, etag, strlen(etag))) {
free(etag);
goto end;
}
free(etag);
// start sending the file (note: we do not use sendfile() api, for being able to use caching and transformations)
if (!send_body)
goto end;
// use a pretty big buffer (for performance reasons)
char buf[32768];
size_t remains = st.st_size;
while (remains > 0) {
ssize_t rlen = read(fd, buf, UMIN(32768, remains));
if (rlen <= 0) {
uwsgi_error("uwsgi_wevdav_manage_get/read()");
break;
}
remains -= rlen;
if (uwsgi_response_write_body_do(wsgi_req, buf, rlen)) {
break;
}
}
end:
close(fd);
return UWSGI_OK;
}
ssize_t uwsgi_lf_status(struct wsgi_request *wsgi_req, char **buf) {
*buf = uwsgi_num2str(wsgi_req->status);
return strlen(*buf);
}
void emperor_add(struct uwsgi_emperor_scanner *ues, char *name, time_t born, char *config, uint32_t config_size, uid_t uid, gid_t gid) {
struct uwsgi_instance *c_ui = ui;
struct uwsgi_instance *n_ui = NULL;
pid_t pid;
char **vassal_argv;
char *uef;
char **uenvs;
int counter;
char *colon = NULL;
int i;
struct timeval tv;
#ifdef UWSGI_DEBUG
uwsgi_log("\n\nVASSAL %s %d %.*s %d %d\n", name, born, config_size, config, uid, gid);
#endif
if (strlen(name) > (0xff - 1)) {
uwsgi_log("[emperor] invalid vassal name\n", name);
return;
}
gettimeofday(&tv, NULL);
int now = tv.tv_sec;
uint64_t micros = (tv.tv_sec * 1000 * 1000) + tv.tv_usec;
// blacklist check
struct uwsgi_emperor_blacklist_item *uebi = uwsgi_emperor_blacklist_check(name);
if (uebi) {
uint64_t i_micros = (uebi->last_attempt.tv_sec * 1000 * 1000) + uebi->last_attempt.tv_usec + uebi->throttle_level;
if (i_micros > micros) {
return;
}
}
if (now - emperor_throttle < 1) {
emperor_throttle_level = emperor_throttle_level * 2;
}
else {
if (emperor_throttle_level > uwsgi.emperor_throttle) {
emperor_throttle_level = emperor_throttle_level / 2;
}
if (emperor_throttle_level < uwsgi.emperor_throttle) {
emperor_throttle_level = uwsgi.emperor_throttle;
}
}
emperor_throttle = now;
#ifdef UWSGI_DEBUG
uwsgi_log("emperor throttle = %d\n", emperor_throttle_level);
#endif
usleep(emperor_throttle_level);
if (uwsgi.emperor_tyrant) {
if (uid == 0 || gid == 0) {
uwsgi_log("[emperor-tyrant] invalid permissions for vassal %s\n", name);
return;
}
}
while (c_ui->ui_next) {
c_ui = c_ui->ui_next;
}
n_ui = uwsgi_malloc(sizeof(struct uwsgi_instance));
memset(n_ui, 0, sizeof(struct uwsgi_instance));
if (config) {
n_ui->use_config = 1;
n_ui->config = config;
n_ui->config_len = config_size;
}
c_ui->ui_next = n_ui;
#ifdef UWSGI_DEBUG
uwsgi_log("c_ui->ui_next = %p\n", c_ui->ui_next);
#endif
n_ui->ui_prev = c_ui;
if (strchr(name, ':')) {
n_ui->zerg = 1;
uwsgi.emperor_broodlord_count++;
}
n_ui->scanner = ues;
memcpy(n_ui->name, name, strlen(name));
n_ui->born = born;
n_ui->uid = uid;
n_ui->gid = gid;
n_ui->last_mod = born;
// start without loyalty
n_ui->last_loyal = 0;
n_ui->loyal = 0;
n_ui->first_run = uwsgi_now();
n_ui->last_run = n_ui->first_run;
if (socketpair(AF_UNIX, SOCK_STREAM, 0, n_ui->pipe)) {
uwsgi_error("socketpair()");
goto clear;
}
event_queue_add_fd_read(uwsgi.emperor_queue, n_ui->pipe[0]);
if (n_ui->use_config) {
if (socketpair(AF_UNIX, SOCK_STREAM, 0, n_ui->pipe_config)) {
uwsgi_error("socketpair()");
goto clear;
}
}
// TODO pre-start hook
// a new uWSGI instance will start
pid = fork();
if (pid < 0) {
uwsgi_error("fork()")
}
else if (pid > 0) {
n_ui->pid = pid;
// close the right side of the pipe
close(n_ui->pipe[1]);
if (n_ui->use_config) {
close(n_ui->pipe_config[1]);
}
if (n_ui->use_config) {
if (write(n_ui->pipe_config[0], n_ui->config, n_ui->config_len) <= 0) {
uwsgi_error("write()");
}
close(n_ui->pipe_config[0]);
}
return;
}
else {
if (uwsgi.emperor_tyrant) {
uwsgi_log("[emperor-tyrant] dropping privileges to %d %d for instance %s\n", (int) uid, (int) gid, name);
if (setgid(gid)) {
uwsgi_error("setgid()");
exit(1);
}
if (setgroups(0, NULL)) {
uwsgi_error("setgroups()");
exit(1);
}
if (setuid(uid)) {
uwsgi_error("setuid()");
exit(1);
}
}
unsetenv("UWSGI_RELOADS");
unsetenv("NOTIFY_SOCKET");
uef = uwsgi_num2str(n_ui->pipe[1]);
if (setenv("UWSGI_EMPEROR_FD", uef, 1)) {
uwsgi_error("setenv()");
exit(1);
}
free(uef);
if (n_ui->use_config) {
uef = uwsgi_num2str(n_ui->pipe_config[1]);
if (setenv("UWSGI_EMPEROR_FD_CONFIG", uef, 1)) {
uwsgi_error("setenv()");
exit(1);
}
free(uef);
}
uenvs = environ;
while (*uenvs) {
if (!strncmp(*uenvs, "UWSGI_VASSAL_", 13)) {
char *ne = uwsgi_concat2("UWSGI_", *uenvs + 13);
char *oe = uwsgi_concat2n(*uenvs, strchr(*uenvs, '=') - *uenvs, "", 0);
if (unsetenv(oe)) {
uwsgi_error("unsetenv()");
break;
}
free(oe);
#ifdef UWSGI_DEBUG
uwsgi_log("putenv %s\n", ne);
#endif
if (putenv(ne)) {
uwsgi_error("putenv()");
}
// do not free ne as putenv will add it to the environ
uenvs = environ;
continue;
}
uenvs++;
}
// close the left side of the pipe
close(n_ui->pipe[0]);
if (n_ui->use_config) {
close(n_ui->pipe_config[0]);
}
counter = 4;
struct uwsgi_string_list *uct = uwsgi.vassals_templates;
while (uct) {
counter += 2;
uct = uct->next;
}
vassal_argv = uwsgi_malloc(sizeof(char *) * counter);
// set args
vassal_argv[0] = uwsgi.binary_path;
if (uwsgi.emperor_broodlord) {
colon = strchr(name, ':');
if (colon) {
colon[0] = 0;
}
}
// initialize to a default value
vassal_argv[1] = "--inherit";
if (!strcmp(name + (strlen(name) - 4), ".xml"))
vassal_argv[1] = "--xml";
if (!strcmp(name + (strlen(name) - 4), ".ini"))
vassal_argv[1] = "--ini";
if (!strcmp(name + (strlen(name) - 4), ".yml"))
vassal_argv[1] = "--yaml";
if (!strcmp(name + (strlen(name) - 5), ".yaml"))
vassal_argv[1] = "--yaml";
if (!strcmp(name + (strlen(name) - 3), ".js"))
vassal_argv[1] = "--json";
if (!strcmp(name + (strlen(name) - 5), ".json"))
vassal_argv[1] = "--json";
if (colon) {
colon[0] = ':';
}
vassal_argv[2] = name;
if (uwsgi.emperor_magic_exec) {
if (!access(name, R_OK | X_OK)) {
vassal_argv[2] = uwsgi_concat2("exec://", name);
}
}
if (n_ui->use_config) {
vassal_argv[2] = uwsgi_concat2("emperor://", name);
}
counter = 3;
uct = uwsgi.vassals_templates;
while (uct) {
vassal_argv[counter] = "--inherit";
vassal_argv[counter + 1] = uct->value;
counter += 2;
uct = uct->next;
}
vassal_argv[counter] = NULL;
// disable stdin
int stdin_fd = open("/dev/null", O_RDONLY);
if (stdin_fd < 0) {
uwsgi_error_open("/dev/null");
exit(1);
}
if (stdin_fd != 0) {
if (dup2(stdin_fd, 0)) {
uwsgi_error("dup2()");
exit(1);
}
close(stdin_fd);
}
// close all of the unneded fd
for (i = 3; i < (int) uwsgi.max_fd; i++) {
if (n_ui->use_config) {
if (i == n_ui->pipe_config[1])
continue;
}
if (i != n_ui->pipe[1]) {
close(i);
}
}
if (uwsgi.vassals_start_hook) {
uwsgi_log("[emperor] running vassal start-hook: %s %s\n", uwsgi.vassals_start_hook, n_ui->name);
if (uwsgi.emperor_absolute_dir) {
if (setenv("UWSGI_VASSALS_DIR", uwsgi.emperor_absolute_dir, 1)) {
uwsgi_error("setenv()");
}
}
int start_hook_ret = uwsgi_run_command_and_wait(uwsgi.vassals_start_hook, n_ui->name);
uwsgi_log("[emperor] %s start-hook returned %d\n", n_ui->name, start_hook_ret);
}
// start !!!
if (execvp(vassal_argv[0], vassal_argv)) {
uwsgi_error("execvp()");
}
uwsgi_log("[emperor] is the uwsgi binary in your system PATH ?\n");
// never here
exit(UWSGI_EXILE_CODE);
}
clear:
free(n_ui);
c_ui->ui_next = NULL;
}
ssize_t uwsgi_lf_epoch(struct wsgi_request *wsgi_req, char **buf) {
*buf = uwsgi_num2str(uwsgi_now());
return strlen(*buf);
}
