int uwsgi_is_a_keep_mount(char *mp) {
struct uwsgi_string_list *usl = uwsgi.ns_keep_mount;
while(usl) {
char *colon = strchr(usl->value, ':');
if (colon) {
if (!strcmp(colon+1, mp)) {
return 1;
}
}
else {
// slip first part
if (!uwsgi_startswith(usl->value, uwsgi.ns, strlen(uwsgi.ns))) {
char *skipped = usl->value + strlen(uwsgi.ns);
if (uwsgi.ns[strlen(uwsgi.ns)-1] == '/') {
skipped--;
}
if (!strcmp(skipped, mp)) {
return 1;
}
}
else {
if (!strcmp(usl->value, mp)) {
return 1;
}
}
}
usl = usl->next;
}
return 0;
}
void uwsgi_imperial_monitor_glob_init(struct uwsgi_emperor_scanner *ues) {
if (chdir(uwsgi.cwd)) {
uwsgi_error("chdir()");
exit(1);
}
uwsgi.emperor_absolute_dir = uwsgi.cwd;
if (!uwsgi_startswith(ues->arg, "glob://", 7)) {
ues->arg += 7;
}
}
void uwsgi_imperial_monitor_directory_init(struct uwsgi_emperor_scanner *ues) {
if (!uwsgi_startswith(ues->arg, "dir://", 6)) {
ues->arg += 6;
}
if (chdir(ues->arg)) {
uwsgi_error("chdir()");
exit(1);
}
uwsgi.emperor_absolute_dir = uwsgi_malloc(PATH_MAX + 1);
if (realpath(".", uwsgi.emperor_absolute_dir) == NULL) {
uwsgi_error("realpath()");
exit(1);
}
}
void uwsgi_corerouter_setup_sockets(struct uwsgi_corerouter *ucr) {
struct uwsgi_gateway_socket *ugs = uwsgi.gateway_sockets;
while (ugs) {
if (!strcmp(ucr->name, ugs->owner)) {
if (!ugs->subscription) {
if (ugs->name[0] == '=') {
int shared_socket = atoi(ugs->name+1);
if (shared_socket >= 0) {
ugs->fd = uwsgi_get_shared_socket_fd_by_num(shared_socket);
ugs->shared = 1;
if (ugs->fd == -1) {
uwsgi_log("unable to use shared socket %d\n", shared_socket);
exit(1);
}
ugs->name = uwsgi_getsockname(ugs->fd);
}
}
else if (!uwsgi_startswith("fd://", ugs->name, 5 )) {
int fd_socket = atoi(ugs->name+5);
if (fd_socket >= 0) {
ugs->fd = fd_socket;
ugs->name = uwsgi_getsockname(ugs->fd);
if (!ugs->name) {
uwsgi_log("unable to use file descriptor %d as socket\n", fd_socket);
exit(1);
}
}
}
else {
ugs->port = strchr(ugs->name, ':');
if (ugs->fd == -1) {
if (ugs->port) {
ugs->fd = bind_to_tcp(ugs->name, uwsgi.listen_queue, ugs->port);
ugs->port++;
ugs->port_len = strlen(ugs->port);
}
else {
ugs->fd = bind_to_unix(ugs->name, uwsgi.listen_queue, uwsgi.chmod_socket, uwsgi.abstract_socket);
}
}
}
// put socket in non-blocking mode
uwsgi_socket_nb(ugs->fd);
uwsgi_log("%s bound on %s fd %d\n", ucr->name, ugs->name, ugs->fd);
}
else if (ugs->subscription) {
if (ugs->fd == -1) {
if (strchr(ugs->name, ':')) {
ugs->fd = bind_to_udp(ugs->name, 0, 0);
}
else {
ugs->fd = bind_to_unix_dgram(ugs->name);
}
uwsgi_socket_nb(ugs->fd);
}
uwsgi_log("%s subscription server bound on %s fd %d\n", ucr->name, ugs->name, ugs->fd);
}
}
ugs = ugs->next;
}
}
char *uwsgi_format_airbrake_backtrace(struct uwsgi_thread *ut) {
struct uwsgi_airbrake_config *uacc = (struct uwsgi_airbrake_config *) ut->data;
xmlChar *xmlbuff;
int buffersize;
xmlDocPtr doc = NULL;
xmlNodePtr notice_node = NULL, node = NULL, line_node = NULL, errnode = NULL;
char *msg = NULL;
doc = xmlNewDoc(BAD_CAST "1.0");
notice_node = xmlNewNode(NULL, BAD_CAST "notice");
xmlNewProp(notice_node, BAD_CAST "version", BAD_CAST "2.3");
xmlDocSetRootElement(doc, notice_node);
xmlNewChild(notice_node, NULL, BAD_CAST "api-key", BAD_CAST uacc->apikey);
node = xmlNewChild(notice_node, NULL, BAD_CAST "notifier", NULL);
xmlNewChild(node, NULL, BAD_CAST "name", BAD_CAST "uWSGI");
xmlNewChild(node, NULL, BAD_CAST "version", BAD_CAST UWSGI_VERSION);
xmlNewChild(node, NULL, BAD_CAST "url", BAD_CAST "https://github.com/unbit/uwsgi");
// request env
node = xmlNewChild(notice_node, NULL, BAD_CAST "request", NULL);
node = xmlNewChild(node, NULL, BAD_CAST "cgi-data", NULL);
line_node = xmlNewChild(node, NULL, BAD_CAST "var", BAD_CAST UWSGI_VERSION);
xmlNewProp(line_node, BAD_CAST "key", BAD_CAST "uwsgi_version");
line_node = xmlNewChild(node, NULL, BAD_CAST "var", BAD_CAST __VERSION__);
xmlNewProp(line_node, BAD_CAST "key", BAD_CAST "compiled_with_version");
struct utsname uuts;
#ifdef __sun__
if (uname(&uuts) < 0) {
#else
if (uname(&uuts)) {
#endif
uwsgi_error("uname()");
}
else {
line_node = xmlNewChild(node, NULL, BAD_CAST "var", BAD_CAST uuts.sysname);
xmlNewProp(line_node, BAD_CAST "key", BAD_CAST "os_sysname");
char *os_version = uwsgi_concat3(uuts.release, "-", uuts.version);
line_node = xmlNewChild(node, NULL, BAD_CAST "var", BAD_CAST os_version);
xmlNewProp(line_node, BAD_CAST "key", BAD_CAST "os_version");
free(os_version);
line_node = xmlNewChild(node, NULL, BAD_CAST "var", BAD_CAST uuts.machine);
xmlNewProp(line_node, BAD_CAST "key", BAD_CAST "machine");
line_node = xmlNewChild(node, NULL, BAD_CAST "var", BAD_CAST uuts.nodename);
xmlNewProp(line_node, BAD_CAST "key", BAD_CAST "nodename");
}
// end request env
node = xmlNewChild(notice_node, NULL, BAD_CAST "server-environment", NULL);
xmlNewChild(node, NULL, BAD_CAST "app-version", BAD_CAST UWSGI_VERSION);
if (uacc->env) {
xmlNewChild(node, NULL, BAD_CAST "environment-name", BAD_CAST uacc->env);
}
else {
xmlNewChild(node, NULL, BAD_CAST "environment-name", BAD_CAST UWSGI_VERSION);
}
errnode = xmlNewChild(notice_node, NULL, BAD_CAST "error", NULL);
xmlNewChild(errnode, NULL, BAD_CAST "class", BAD_CAST "RuntimeError");
node = xmlNewChild(errnode, NULL, BAD_CAST "backtrace", NULL);
char *ctx = NULL;
char *text = uwsgi_str(ut->buf);
char *p = strtok_r(text, "\n", &ctx);
while (p) {
// skip log messages
if (!uwsgi_startswith(p, "***", 3))
goto next;
// backtrace line looks like this: uwsgi(simple_loop_run+0xc5) [0x451555]
// we take binary/lib as filename
// and extract method name from remaining string
char *n = strchr(p, '(');
if (n) {
*n = 0;
char *pls = strchr(n+1, '+');
if (pls) {
*pls = 0;
}
if (!strcmp("uwsgi_backtrace", n+1) || !strcmp("what_i_am_doing", n+1)) {
goto next;
}
else if (!strcmp("uwsgi_fpe", n+1)) {
msg = uwsgi_concat4("uWSGI FPE at ", n+1, " in ", p);
goto next;
}
if (!msg) {
if (strlen(n+1)) {
msg = uwsgi_concat4("uWSGI segfault at ", n+1, " in ", p);
}
else {
// method name might be missing
msg = uwsgi_concat2("uWSGI segfault in ", p);
}
}
// skip empty lines
if (!p)
goto next;
line_node = xmlNewChild(node, NULL, BAD_CAST "line", NULL);
if ((n+1)[0] == ')') {
xmlNewProp(line_node, BAD_CAST "method", BAD_CAST "()");
}
else {
xmlNewProp(line_node, BAD_CAST "method", BAD_CAST n+1);
}
xmlNewProp(line_node, BAD_CAST "file", BAD_CAST p);
//xmlNewProp(line_node, BAD_CAST "number", BAD_CAST "0");
}
next:
p = strtok_r(NULL, "\n", &ctx);
}
xmlNewChild(errnode, NULL, BAD_CAST "message", BAD_CAST msg);
xmlDocDumpFormatMemory(doc, &xmlbuff, &buffersize, 1);
xmlFreeDoc(doc);
xmlCleanupParser();
xmlMemoryDump();
free(msg);
free(text);
return (char *) xmlbuff;
}
static void uwsgi_airbrake_loop(struct uwsgi_thread *ut) {
int interesting_fd;
ut->buf = uwsgi_malloc(uwsgi.log_master_bufsize);
CURL *curl = curl_easy_init();
// ARGH !!!
if (!curl) return;
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT]);
curl_easy_setopt(curl, CURLOPT_TIMEOUT, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT]);
curl_easy_setopt(curl, CURLOPT_READFUNCTION, NULL);
curl_easy_setopt(curl, CURLOPT_READDATA, ut);
curl_easy_setopt(curl, CURLOPT_POST, 1L);
struct curl_slist *expect = NULL; expect = curl_slist_append(expect, "Expect:");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, expect);
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
struct uwsgi_airbrake_config *uacc = (struct uwsgi_airbrake_config *) ut->data;
char *opts = uwsgi_str(uacc->arg);
// fill curl options
char *ctx = NULL;
char *p = strtok_r(opts, ";", &ctx);
while(p) {
uwsgi_airbrake_setopt(curl, uwsgi_str(p), uacc);
p = strtok_r(NULL, ";", &ctx);
}
for(;;) {
int ret = event_queue_wait(ut->queue, -1, &interesting_fd);
if (ret < 0) return;
if (ret == 0) continue;
if (interesting_fd != ut->pipe[1]) continue;
ssize_t rlen = read(ut->pipe[1], ut->buf, uwsgi.log_master_bufsize);
if (rlen <= 0) continue;
ut->pos = 0;
ut->len = (size_t) rlen;
ut->custom0 = 0;
char *notice = uwsgi_format_airbrake_backtrace(ut);
curl_slist_append(expect, "Accept: */*");
curl_slist_append(expect, "Content-Type: text/xml; charset=utf-8");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, expect);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, notice);
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, strlen(notice));
curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, (curl_off_t) ut->len);
CURLcode res = curl_easy_perform(curl);
if (res != CURLE_OK) {
uwsgi_log_alarm("-curl] curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
}
free(notice);
}
}
void uwsgi_corerouter_setup_sockets(struct uwsgi_corerouter *ucr) {
struct uwsgi_gateway_socket *ugs = uwsgi.gateway_sockets;
while (ugs) {
if (!strcmp(ucr->name, ugs->owner)) {
#ifdef UWSGI_SCTP
if (!ugs->subscription && !ugs->sctp) {
#else
if (!ugs->subscription) {
#endif
if (ugs->name[0] == '=') {
int shared_socket = atoi(ugs->name+1);
if (shared_socket >= 0) {
ugs->fd = uwsgi_get_shared_socket_fd_by_num(shared_socket);
ugs->shared = 1;
if (ugs->fd == -1) {
uwsgi_log("unable to use shared socket %d\n", shared_socket);
exit(1);
}
ugs->name = uwsgi_getsockname(ugs->fd);
}
}
else if (!uwsgi_startswith("fd://", ugs->name, 5 )) {
int fd_socket = atoi(ugs->name+5);
if (fd_socket >= 0) {
ugs->fd = fd_socket;
ugs->name = uwsgi_getsockname(ugs->fd);
if (!ugs->name) {
uwsgi_log("unable to use file descriptor %d as socket\n", fd_socket);
exit(1);
}
}
}
else {
ugs->port = strchr(ugs->name, ':');
if (ugs->fd == -1) {
if (ugs->port) {
ugs->fd = bind_to_tcp(ugs->name, uwsgi.listen_queue, ugs->port);
ugs->port++;
ugs->port_len = strlen(ugs->port);
}
else {
ugs->fd = bind_to_unix(ugs->name, uwsgi.listen_queue, uwsgi.chmod_socket, uwsgi.abstract_socket);
}
}
}
// put socket in non-blocking mode
uwsgi_socket_nb(ugs->fd);
uwsgi_log("%s bound on %s fd %d\n", ucr->name, ugs->name, ugs->fd);
}
else if (ugs->subscription) {
if (ugs->fd == -1) {
if (strchr(ugs->name, ':')) {
ugs->fd = bind_to_udp(ugs->name, 0, 0);
}
else {
ugs->fd = bind_to_unix_dgram(ugs->name);
}
uwsgi_socket_nb(ugs->fd);
}
uwsgi_log("%s subscription server bound on %s fd %d\n", ucr->name, ugs->name, ugs->fd);
}
#ifdef UWSGI_SCTP
else if (ugs->sctp) {
if (ugs->fd == -1) {
ugs->fd = bind_to_sctp(ugs->name);
}
uwsgi_log("%s SCTP server bound on %s fd %d\n", gw_id, ugs->name, ugs->fd);
}
#endif
}
ugs = ugs->next;
}
}
void *uwsgi_corerouter_setup_event_queue(struct uwsgi_corerouter *ucr, int id) {
ucr->queue = event_queue_init();
struct uwsgi_gateway_socket *ugs = uwsgi.gateway_sockets;
while (ugs) {
if (!strcmp(ucr->name, ugs->owner)) {
if (!ucr->cheap || ugs->subscription) {
event_queue_add_fd_read(ucr->queue, ugs->fd);
}
ugs->gateway = &ushared->gateways[id];
}
ugs = ugs->next;
}
return event_queue_alloc(ucr->nevents);
}
void uwsgi_add_socket_from_fd(struct uwsgi_socket *uwsgi_sock, int fd) {
socklen_t socket_type_len;
union uwsgi_sockaddr_ptr gsa, isa;
union uwsgi_sockaddr usa;
int abstract = 0;
socket_type_len = sizeof(struct sockaddr_un);
gsa.sa = &usa.sa;
if (!getsockname(fd, gsa.sa, &socket_type_len)) {
if (socket_type_len <= 2) {
// unbound socket
return;
}
if (gsa.sa->sa_family == AF_UNIX) {
if (usa.sa_un.sun_path[0] == 0)
abstract = 1;
// is it a zerg ?
if (uwsgi_sock->name == NULL) {
uwsgi_sock->fd = fd;
uwsgi_sock->family = AF_UNIX;
uwsgi_sock->bound = 1;
uwsgi_sock->name = uwsgi_concat2(usa.sa_un.sun_path + abstract, "");
if (uwsgi.zerg) {
uwsgi_log("uwsgi zerg socket %d attached to UNIX address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), usa.sa_un.sun_path + abstract, uwsgi_sock->fd);
}
else {
uwsgi_log("uwsgi socket %d attached to UNIX address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), usa.sa_un.sun_path + abstract, uwsgi_sock->fd);
}
return;
}
if (!uwsgi_startswith(uwsgi_sock->name, "fd://", 5)) {
if (atoi(uwsgi_sock->name + 5) == fd) {
uwsgi_sock->fd = fd;
uwsgi_sock->family = AF_UNIX;
uwsgi_sock->bound = 1;
uwsgi_sock->name = uwsgi_str(usa.sa_un.sun_path + abstract);
uwsgi_log("uwsgi socket %d inherited UNIX address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
}
}
else if (!strcmp(usa.sa_un.sun_path + abstract, uwsgi_sock->name + abstract)) {
uwsgi_sock->fd = fd;
uwsgi_sock->family = AF_UNIX;
uwsgi_sock->bound = 1;
uwsgi_log("uwsgi socket %d inherited UNIX address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
}
}
else if (gsa.sa->sa_family == AF_INET) {
char *computed_addr;
char computed_port[6];
isa.sa_in = (struct sockaddr_in *) &usa;
char ipv4a[INET_ADDRSTRLEN + 1];
memset(ipv4a, 0, INET_ADDRSTRLEN + 1);
memset(computed_port, 0, 6);
if (snprintf(computed_port, 6, "%d", ntohs(isa.sa_in->sin_port)) > 0) {
if (inet_ntop(AF_INET, (const void *) &isa.sa_in->sin_addr.s_addr, ipv4a, INET_ADDRSTRLEN)) {
if (!strcmp("0.0.0.0", ipv4a)) {
computed_addr = uwsgi_concat2(":", computed_port);
}
else {
computed_addr = uwsgi_concat3(ipv4a, ":", computed_port);
}
// is it a zerg ?
if (uwsgi_sock->name == NULL) {
uwsgi_sock->fd = fd;
uwsgi_sock->family = AF_INET;
uwsgi_sock->bound = 1;
uwsgi_sock->name = uwsgi_concat2(computed_addr, "");
if (uwsgi.zerg) {
uwsgi_log("uwsgi zerg socket %d attached to INET address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), computed_addr, uwsgi_sock->fd);
}
else {
uwsgi_log("uwsgi socket %d attached to INET address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), computed_addr, uwsgi_sock->fd);
}
free(computed_addr);
return;
}
char *asterisk = strchr(uwsgi_sock->name, '*');
int match = 1;
if (asterisk) {
asterisk[0] = 0;
match = strncmp(computed_addr, uwsgi_sock->name, strlen(uwsgi_sock->name));
asterisk[0] = '*';
}
else {
if (!uwsgi_startswith(uwsgi_sock->name, "fd://", 5)) {
if (atoi(uwsgi_sock->name + 5) == fd) {
uwsgi_sock->fd = fd;
uwsgi_sock->family = AF_INET;
uwsgi_sock->bound = 1;
uwsgi_sock->name = uwsgi_str(computed_addr);
uwsgi_log("uwsgi socket %d inherited INET address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
match = 1;
}
}
else {
match = strcmp(computed_addr, uwsgi_sock->name);
}
}
if (!match) {
uwsgi_sock->fd = fd;
uwsgi_sock->family = AF_INET;
uwsgi_sock->bound = 1;
uwsgi_log("uwsgi socket %d inherited INET address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
}
free(computed_addr);
}
}
}
#ifdef UWSGI_IPV6
else if (gsa.sa->sa_family == AF_INET6) {
char *computed_addr;
char computed_port[6];
isa.sa_in6 = (struct sockaddr_in6 *) &usa;
char ipv6a[INET6_ADDRSTRLEN + 1];
memset(ipv6a, 0, INET_ADDRSTRLEN + 1);
memset(computed_port, 0, 6);
int match = 0;
if (snprintf(computed_port, 6, "%d", ntohs(isa.sa_in6->sin6_port)) > 0) {
if (inet_ntop(AF_INET6, (const void *) &isa.sa_in6->sin6_addr.s6_addr, ipv6a, INET6_ADDRSTRLEN)) {
uwsgi_log("ipv6a = %s\n", ipv6a);
if (!strcmp("::", ipv6a)) {
computed_addr = uwsgi_concat2("[::]:", computed_port);
}
else {
computed_addr = uwsgi_concat4("[", ipv6a, "]:", computed_port);
}
// is it a zerg ?
if (uwsgi_sock->name == NULL) {
uwsgi_sock->fd = fd;
uwsgi_sock->family = AF_INET6;
uwsgi_sock->bound = 1;
uwsgi_sock->name = uwsgi_concat2(computed_addr, "");
if (uwsgi.zerg) {
uwsgi_log("uwsgi zerg socket %d attached to INET6 address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), computed_addr, uwsgi_sock->fd);
}
else {
uwsgi_log("uwsgi socket %d attached to INET6 address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), computed_addr, uwsgi_sock->fd);
}
free(computed_addr);
return;
}
if (!uwsgi_startswith(uwsgi_sock->name, "fd://", 5)) {
if (atoi(uwsgi_sock->name + 5) == fd) {
uwsgi_sock->fd = fd;
uwsgi_sock->family = AF_INET6;
uwsgi_sock->bound = 1;
uwsgi_sock->name = uwsgi_str(computed_addr);
uwsgi_log("uwsgi socket %d inherited INET address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
match = 1;
}
}
else {
match = strcmp(computed_addr, uwsgi_sock->name);
}
if (!match) {
uwsgi_sock->fd = fd;
uwsgi_sock->family = AF_INET;
uwsgi_sock->bound = 1;
uwsgi_log("uwsgi socket %d inherited INET6 address %s fd %d\n", uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name, uwsgi_sock->fd);
}
free(computed_addr);
}
}
}
#endif
}
}
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 linux_namespace_jail() {
char *ns_tmp_mountpoint = NULL, *ns_tmp_mountpoint2 = NULL;
if (getpid() != 1) {
uwsgi_log("your kernel does not support linux pid namespace\n");
exit(1);
}
char *ns_hostname = strchr(uwsgi.ns, ':');
if (ns_hostname) {
ns_hostname[0] = 0;
ns_hostname++;
if (sethostname(ns_hostname, strlen(ns_hostname))) {
uwsgi_error("sethostname()");
}
}
FILE *procmounts;
char line[1024];
int unmounted = 1;
char *delim0, *delim1;
if (chdir(uwsgi.ns)) {
uwsgi_error("chdir()");
exit(1);
}
if (strcmp(uwsgi.ns, "/")) {
ns_tmp_mountpoint = uwsgi_concat2(uwsgi.ns, "/.uwsgi_ns_tmp_mountpoint");
mkdir(ns_tmp_mountpoint, S_IRWXU);
ns_tmp_mountpoint2 = uwsgi_concat2(ns_tmp_mountpoint, "/.uwsgi_ns_tmp_mountpoint");
mkdir(ns_tmp_mountpoint2, S_IRWXU);
if (mount(uwsgi.ns, ns_tmp_mountpoint, "none", MS_BIND, NULL)) {
uwsgi_error("mount()");
}
if (chdir(ns_tmp_mountpoint)) {
uwsgi_error("chdir()");
}
if (pivot_root(".", ns_tmp_mountpoint2)) {
uwsgi_error("pivot_root()");
exit(1);
}
if (chdir("/")) {
uwsgi_error("chdir()");
exit(1);
}
}
uwsgi_log("remounting /proc\n");
if (mount("proc", "/proc", "proc", 0, NULL)) {
uwsgi_error("mount()");
}
struct uwsgi_string_list *usl = uwsgi.ns_keep_mount;
while(usl) {
// bind mounting keep-mount items
char *keep_mountpoint = usl->value;
char *destination = strchr(usl->value, ':');
if (destination) {
keep_mountpoint = uwsgi_concat2n(usl->value, destination - usl->value, "", 0);
}
char *ks = uwsgi_concat2("/.uwsgi_ns_tmp_mountpoint", keep_mountpoint);
if (!destination) {
destination = usl->value;
// skip first part of the name if under the jail
if (!uwsgi_startswith(destination, uwsgi.ns, strlen(uwsgi.ns))) {
if (uwsgi.ns[strlen(uwsgi.ns)-1] == '/') {
destination += strlen(uwsgi.ns)-1;
}
else {
destination += strlen(uwsgi.ns);
}
}
}
else {
free(keep_mountpoint);
destination++;
}
uwsgi_log("remounting %s to %s\n", ks+25, destination);
if (mount(ks, destination, "none", MS_BIND, NULL)) {
uwsgi_error("mount()");
}
free(ks);
usl = usl->next;
}
while (unmounted) {
unmounted = 0;
procmounts = fopen("/proc/self/mounts", "r");
while (fgets(line, 1024, procmounts) != NULL) {
delim0 = strchr(line, ' ');
delim0++;
delim1 = strchr(delim0, ' ');
*delim1 = 0;
// and now check for keep-mounts
if (uwsgi_is_a_keep_mount(delim0)) continue;
if (!strcmp(delim0, "/") || !strcmp(delim0, "/proc"))
continue;
if (!umount(delim0)) {
unmounted++;
}
}
fclose(procmounts);
}
if (rmdir("/.uwsgi_ns_tmp_mountpoint/.uwsgi_ns_tmp_mountpoint")) {
uwsgi_error("rmdir()");
}
if (rmdir("/.uwsgi_ns_tmp_mountpoint")) {
uwsgi_error("rmdir()");
}
if (strcmp(uwsgi.ns, "/")) {
free(ns_tmp_mountpoint2);
free(ns_tmp_mountpoint);
}
}
ffi_type *uwsgi_libffi_get_type(char *what, size_t *skip) {
if (!uwsgi_startswith(what, "int:", 4)) { *skip = 4; return &ffi_type_sint32;}
if (!uwsgi_startswith(what, "sint:", 5)) { *skip = 5; return &ffi_type_sint32;}
if (!uwsgi_startswith(what, "uint:", 5)) { *skip = 5;return &ffi_type_uint32;}
return &ffi_type_pointer;
}
void *uwsgi_request_subhandler_pump(struct wsgi_request *wsgi_req, struct uwsgi_app *wi) {
PyObject *zero;
int i;
PyObject *pydictkey, *pydictvalue;
char *port = memchr(wsgi_req->host, ':', wsgi_req->host_len);
if (port) {
zero = PyString_FromStringAndSize(wsgi_req->host, (port-wsgi_req->host));
PyDict_SetItemString(wsgi_req->async_environ, "server_name", zero);
Py_DECREF(zero);
zero = PyString_FromStringAndSize(port, wsgi_req->host_len-((port+1)-wsgi_req->host));
PyDict_SetItemString(wsgi_req->async_environ, "server_port", zero);
Py_DECREF(zero);
}
else {
zero = PyString_FromStringAndSize(wsgi_req->host, wsgi_req->host_len);
PyDict_SetItemString(wsgi_req->async_environ, "server_name", zero);
Py_DECREF(zero);
zero = PyString_FromStringAndSize("80", 2);
PyDict_SetItemString(wsgi_req->async_environ, "server_port", zero);
Py_DECREF(zero);
}
zero = PyString_FromStringAndSize(wsgi_req->remote_addr, wsgi_req->remote_addr_len);
PyDict_SetItemString(wsgi_req->async_environ, "remote_addr", zero);
Py_DECREF(zero);
zero = PyString_FromStringAndSize(wsgi_req->path_info, wsgi_req->path_info_len);
PyDict_SetItemString(wsgi_req->async_environ, "uri", zero);
Py_DECREF(zero);
if (wsgi_req->query_string_len > 0) {
zero = PyString_FromStringAndSize(wsgi_req->query_string, wsgi_req->query_string_len);
PyDict_SetItemString(wsgi_req->async_environ, "query_string", zero);
Py_DECREF(zero);
}
zero = PyString_FromStringAndSize(uwsgi_lower(wsgi_req->method, wsgi_req->method_len), wsgi_req->method_len);
PyDict_SetItemString(wsgi_req->async_environ, "method", zero);
Py_DECREF(zero);
if (wsgi_req->post_cl > 0) {
PyDict_SetItemString(wsgi_req->async_environ, "content_length", PyInt_FromLong(wsgi_req->post_cl));
if (wsgi_req->content_type_len > 0) {
zero = PyString_FromStringAndSize(wsgi_req->content_type, wsgi_req->content_type_len);
PyDict_SetItemString(wsgi_req->async_environ, "content_type", zero);
Py_DECREF(zero);
}
}
PyObject *headers = PyDict_New();
for (i = 0; i < wsgi_req->var_cnt; i += 2) {
#ifdef UWSGI_DEBUG
uwsgi_debug("%.*s: %.*s\n", wsgi_req->hvec[i].iov_len, wsgi_req->hvec[i].iov_base, wsgi_req->hvec[i+1].iov_len, wsgi_req->hvec[i+1].iov_base);
#endif
if (wsgi_req->hvec[i].iov_len < 6) continue;
if (!uwsgi_startswith(wsgi_req->hvec[i].iov_base, "HTTP_", 5)) {
(void) uwsgi_lower(wsgi_req->hvec[i].iov_base+5, wsgi_req->hvec[i].iov_len-5);
#ifdef PYTHREE
pydictkey = PyUnicode_DecodeLatin1(wsgi_req->hvec[i].iov_base+5, wsgi_req->hvec[i].iov_len-5, NULL);
pydictvalue = PyUnicode_DecodeLatin1(wsgi_req->hvec[i + 1].iov_base, wsgi_req->hvec[i + 1].iov_len, NULL);
#else
pydictkey = PyString_FromStringAndSize(wsgi_req->hvec[i].iov_base+5, wsgi_req->hvec[i].iov_len-5);
pydictvalue = PyString_FromStringAndSize(wsgi_req->hvec[i + 1].iov_base, wsgi_req->hvec[i + 1].iov_len);
#endif
PyObject *old_value = PyDict_GetItem(headers, pydictkey);
if (old_value) {
if (PyString_Check(old_value)) {
PyObject *new_value = PyList_New(0);
PyList_Append(new_value, old_value);
old_value = new_value;
PyDict_SetItem(headers, pydictkey, old_value);
Py_DECREF(old_value);
}
PyList_Append(old_value, pydictvalue);
}
else {
PyDict_SetItem(headers, pydictkey, pydictvalue);
}
Py_DECREF(pydictkey);
Py_DECREF(pydictvalue);
}
}
PyDict_SetItemString(wsgi_req->async_environ, "headers", headers);
Py_DECREF(headers);
// create wsgi.input custom object
wsgi_req->async_input = (PyObject *) PyObject_New(uwsgi_Input, &uwsgi_InputType);
((uwsgi_Input*)wsgi_req->async_input)->wsgi_req = wsgi_req;
PyDict_SetItemString(wsgi_req->async_environ, "body", wsgi_req->async_input);
if (wsgi_req->scheme_len > 0) {
zero = PyString_FromStringAndSize(wsgi_req->scheme, wsgi_req->scheme_len);
}
else if (wsgi_req->https_len > 0) {
if (!strncasecmp(wsgi_req->https, "on", 2) || wsgi_req->https[0] == '1') {
zero = PyString_FromString("https");
}
else {
zero = PyString_FromString("http");
}
}
else {
zero = PyString_FromString("http");
}
PyDict_SetItemString(wsgi_req->async_environ, "scheme", zero);
Py_DECREF(zero);
wsgi_req->async_app = wi->callable;
// export .env only in non-threaded mode
if (uwsgi.threads < 2) {
PyDict_SetItemString(up.embedded_dict, "env", wsgi_req->async_environ);
}
PyDict_SetItemString(wsgi_req->async_environ, "uwsgi.version", wi->uwsgi_version);
if (uwsgi.cores > 1) {
PyDict_SetItemString(wsgi_req->async_environ, "uwsgi.core", PyInt_FromLong(wsgi_req->async_id));
}
PyDict_SetItemString(wsgi_req->async_environ, "uwsgi.node", wi->uwsgi_node);
// call
PyTuple_SetItem(wsgi_req->async_args, 0, wsgi_req->async_environ);
return python_call(wsgi_req->async_app, wsgi_req->async_args, uwsgi.catch_exceptions, wsgi_req);
}
