forked from enlightenment/efl
1168 lines
28 KiB
C
1168 lines
28 KiB
C
/*
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* vim:ts=8:sw=3
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*/
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#include "Ecore.h"
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#include "config.h"
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#include "ecore_private.h"
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#include "ecore_con_private.h"
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#include "Ecore_Con.h"
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#include <netinet/in.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <arpa/inet.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <errno.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <netdb.h>
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#include <assert.h>
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#if USE_OPENSSL
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#include <time.h>
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#endif
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static void _ecore_con_server_free(Ecore_Con_Server *svr);
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static void _ecore_con_client_free(Ecore_Con_Client *cl);
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static int _ecore_con_svr_handler(void *data, Ecore_Fd_Handler *fd_handler);
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static int _ecore_con_cl_handler(void *data, Ecore_Fd_Handler *fd_handler);
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static int _ecore_con_svr_cl_handler(void *data, Ecore_Fd_Handler *fd_handler);
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static void _ecore_con_server_flush(Ecore_Con_Server *svr);
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static void _ecore_con_client_flush(Ecore_Con_Client *cl);
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static void _ecore_con_event_client_add_free(void *data, void *ev);
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static void _ecore_con_event_client_del_free(void *data, void *ev);
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static void _ecore_con_event_server_add_free(void *data, void *ev);
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static void _ecore_con_event_server_del_free(void *data, void *ev);
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static void _ecore_con_event_client_data_free(void *data, void *ev);
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static void _ecore_con_event_server_data_free(void *data, void *ev);
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int ECORE_CON_EVENT_CLIENT_ADD = 0;
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int ECORE_CON_EVENT_CLIENT_DEL = 0;
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int ECORE_CON_EVENT_SERVER_ADD = 0;
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int ECORE_CON_EVENT_SERVER_DEL = 0;
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int ECORE_CON_EVENT_CLIENT_DATA = 0;
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int ECORE_CON_EVENT_SERVER_DATA = 0;
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static Ecore_Con_Server *servers = NULL;
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static int init_count = 0;
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#define LENGTH_OF_SOCKADDR_UN(s) (strlen((s)->sun_path) + (size_t)(((struct sockaddr_un *)NULL)->sun_path))
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/**
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* To be documented.
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*
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* FIXME: To be fixed.
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*/
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int
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ecore_con_init(void)
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{
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init_count++;
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if (!ECORE_CON_EVENT_CLIENT_ADD)
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{
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ECORE_CON_EVENT_CLIENT_ADD = ecore_event_type_new();
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ECORE_CON_EVENT_CLIENT_DEL = ecore_event_type_new();
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ECORE_CON_EVENT_SERVER_ADD = ecore_event_type_new();
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ECORE_CON_EVENT_SERVER_DEL = ecore_event_type_new();
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ECORE_CON_EVENT_CLIENT_DATA = ecore_event_type_new();
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ECORE_CON_EVENT_SERVER_DATA = ecore_event_type_new();
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#if USE_OPENSSL
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SSL_library_init();
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SSL_load_error_strings();
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#endif
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}
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return init_count;
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}
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/**
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* To be documented.
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*
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* FIXME: To be fixed.
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*/
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int
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ecore_con_shutdown(void)
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{
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if (init_count > 0)
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{
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init_count--;
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if (init_count > 0) return init_count;
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while (servers) _ecore_con_server_free(servers);
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}
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return 0;
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}
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/**
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* To be documented.
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*
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* FIXME: To be fixed.
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*/
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Ecore_Con_Server *
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ecore_con_server_add(Ecore_Con_Type compl_type,
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char *name,
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int port,
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const void *data)
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{
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Ecore_Con_Server *svr;
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Ecore_Con_Type type;
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struct sockaddr_in socket_addr;
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struct sockaddr_un socket_unix;
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struct linger lin;
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char buf[4096];
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if (port < 0) return NULL;
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/* local user socket: FILE: ~/.ecore/[name]/[port] */
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/* local system socket: FILE: /tmp/.ecore_service|[name]|[port] */
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/* remote system socket: TCP/IP: [name]:[port] */
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svr = calloc(1, sizeof(Ecore_Con_Server));
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if (!svr) return NULL;
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type = compl_type;
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#if USE_OPENSSL
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/* unset the SSL flag for the following checks */
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type &= ~ECORE_CON_USE_SSL;
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#endif
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if ((type == ECORE_CON_LOCAL_USER) ||
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(type == ECORE_CON_LOCAL_SYSTEM))
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{
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char *homedir;
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struct stat st;
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mode_t pmode, mask;
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if (!name) goto error;
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mask =
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S_IRGRP | S_IWGRP | S_IXGRP |
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S_IROTH | S_IWOTH | S_IXOTH;
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if (type == ECORE_CON_LOCAL_USER)
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{
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homedir = getenv("HOME");
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if (!homedir) homedir = getenv("TMP");
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if (!homedir) homedir = "/tmp";
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mask = S_IRUSR | S_IWUSR | S_IXUSR;
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snprintf(buf, sizeof(buf), "%s/.ecore", homedir);
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if (stat(buf, &st) < 0) mkdir(buf, mask);
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snprintf(buf, sizeof(buf), "%s/.ecore/%s", homedir, name);
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if (stat(buf, &st) < 0) mkdir(buf, mask);
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snprintf(buf, sizeof(buf), "%s/.ecore/%s/%i", homedir, name, port);
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mask =
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S_IRGRP | S_IWGRP | S_IXGRP |
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S_IROTH | S_IWOTH | S_IXOTH;
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}
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else if (type == ECORE_CON_LOCAL_SYSTEM)
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{
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mask = 0;
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if (name[0] == '/')
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snprintf(buf, sizeof(buf), "%s|%i", name, port);
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else
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snprintf(buf, sizeof(buf), "/tmp/.ecore_service|%s|%i", name, port);
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}
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pmode = umask(mask);
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start:
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svr->fd = socket(AF_UNIX, SOCK_STREAM, 0);
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if (svr->fd < 0)
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{
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umask(pmode);
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goto error;
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}
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if (fcntl(svr->fd, F_SETFL, O_NONBLOCK) < 0)
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{
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umask(pmode);
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goto error;
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}
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if (fcntl(svr->fd, F_SETFD, FD_CLOEXEC) < 0)
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{
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umask(pmode);
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goto error;
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}
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lin.l_onoff = 1;
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lin.l_linger = 100;
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if (setsockopt(svr->fd, SOL_SOCKET, SO_LINGER, &lin, sizeof(struct linger)) < 0)
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{
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umask(pmode);
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goto error;
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}
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socket_unix.sun_family = AF_UNIX;
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strncpy(socket_unix.sun_path, buf, sizeof(socket_unix.sun_path));
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if (bind(svr->fd, (struct sockaddr *)&socket_unix, LENGTH_OF_SOCKADDR_UN(&socket_unix)) < 0)
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{
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if (connect(svr->fd, (struct sockaddr *)&socket_unix,
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LENGTH_OF_SOCKADDR_UN(&socket_unix)) < 0)
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{
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if ((type == ECORE_CON_LOCAL_USER) ||
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(type == ECORE_CON_LOCAL_SYSTEM))
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{
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if (unlink(buf) < 0)
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{
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umask(pmode);
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goto error;
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}
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else
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goto start;
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}
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else
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{
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umask(pmode);
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goto error;
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}
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}
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else
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{
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umask(pmode);
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goto error;
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}
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}
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if (listen(svr->fd, 4096) < 0)
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{
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umask(pmode);
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goto error;
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}
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svr->path = strdup(buf);
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if (!svr->path)
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{
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umask(pmode);
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goto error;
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}
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svr->fd_handler = ecore_main_fd_handler_add(svr->fd,
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ECORE_FD_READ,
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_ecore_con_svr_handler, svr,
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NULL, NULL);
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umask(pmode);
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if (!svr->fd_handler) goto error;
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}
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else if (type == ECORE_CON_REMOTE_SYSTEM)
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{
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svr->fd = socket(AF_INET, SOCK_STREAM, 0);
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if (svr->fd < 0) goto error;
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if (fcntl(svr->fd, F_SETFL, O_NONBLOCK) < 0) goto error;
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if (fcntl(svr->fd, F_SETFD, FD_CLOEXEC) < 0) goto error;
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lin.l_onoff = 1;
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lin.l_linger = 100;
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if (setsockopt(svr->fd, SOL_SOCKET, SO_LINGER, &lin, sizeof(struct linger)) < 0) goto error;
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socket_addr.sin_family = AF_INET;
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socket_addr.sin_port = htons(port);
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socket_addr.sin_addr.s_addr = htonl(INADDR_ANY);
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if (bind(svr->fd, (struct sockaddr *)&socket_addr, sizeof(struct sockaddr_in)) < 0) goto error;
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if (listen(svr->fd, 4096) < 0) goto error;
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svr->fd_handler = ecore_main_fd_handler_add(svr->fd,
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ECORE_FD_READ,
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_ecore_con_svr_handler, svr,
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NULL, NULL);
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if (!svr->fd_handler) goto error;
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}
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#if USE_OPENSSL
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if (compl_type & ECORE_CON_USE_SSL)
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{
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/* SSLv3 gives *weird* results on my box, don't use it yet */
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if (!(svr->ssl_ctx = SSL_CTX_new(SSLv2_client_method())))
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goto error;
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if (!(svr->ssl = SSL_new(svr->ssl_ctx)))
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goto error;
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SSL_set_fd(svr->ssl, svr->fd);
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}
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#endif
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svr->name = strdup(name);
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if (!svr->name) goto error;
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svr->type = type;
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svr->port = port;
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svr->data = (void *)data;
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svr->created = 1;
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servers = _ecore_list_append(servers, svr);
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ECORE_MAGIC_SET(svr, ECORE_MAGIC_CON_SERVER);
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return svr;
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error:
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if (svr->name) free(svr->name);
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if (svr->path) free(svr->path);
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if (svr->fd >= 0) close(svr->fd);
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if (svr->fd_handler) ecore_main_fd_handler_del(svr->fd_handler);
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if (svr->write_buf) free(svr->write_buf);
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#if USE_OPENSSL
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if (svr->ssl) SSL_free(svr->ssl);
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if (svr->ssl_ctx) SSL_CTX_free(svr->ssl_ctx);
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#endif
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free(svr);
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return NULL;
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}
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/**
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* To be documented.
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*
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* FIXME: To be fixed.
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*/
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Ecore_Con_Server *
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ecore_con_server_connect(Ecore_Con_Type compl_type,
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char *name,
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int port,
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const void *data)
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{
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Ecore_Con_Server *svr;
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Ecore_Con_Type type;
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struct sockaddr_un socket_unix;
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struct sockaddr_in socket_addr;
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int curstate = 0;
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char buf[4096];
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if (!name) return NULL;
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if (port < 0) return NULL;
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/* local user socket: FILE: ~/.ecore/[name]/[port] */
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/* local system socket: FILE: /tmp/.ecore_service|[name]|[port] */
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/* remote system socket: TCP/IP: [name]:[port] */
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svr = calloc(1, sizeof(Ecore_Con_Server));
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if (!svr) return NULL;
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type = compl_type;
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#if USE_OPENSSL
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/* unset the SSL flag for the following checks */
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type &= ~ECORE_CON_USE_SSL;
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#endif
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if ((type == ECORE_CON_LOCAL_USER) ||
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(type == ECORE_CON_LOCAL_SYSTEM))
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{
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char *homedir;
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if (type == ECORE_CON_LOCAL_USER)
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{
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homedir = getenv("HOME");
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if (!homedir) homedir = getenv("TMP");
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if (!homedir) homedir = "/tmp";
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snprintf(buf, sizeof(buf), "%s/.ecore/%s/%i", homedir, name, port);
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}
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else if (type == ECORE_CON_LOCAL_SYSTEM)
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{
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if (name[0] == '/')
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snprintf(buf, sizeof(buf), "%s|%i", name, port);
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else
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snprintf(buf, sizeof(buf), "/tmp/.ecore_service|%s|%i", name, port);
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}
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svr->fd = socket(AF_UNIX, SOCK_STREAM, 0);
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if (svr->fd < 0) goto error;
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if (fcntl(svr->fd, F_SETFL, O_NONBLOCK) < 0) goto error;
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if (fcntl(svr->fd, F_SETFD, FD_CLOEXEC) < 0) goto error;
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if (setsockopt(svr->fd, SOL_SOCKET, SO_REUSEADDR, &curstate, sizeof(curstate)) < 0) goto error;
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socket_unix.sun_family = AF_UNIX;
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strncpy(socket_unix.sun_path, buf, sizeof(socket_unix.sun_path));
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if (connect(svr->fd, (struct sockaddr *)&socket_unix, LENGTH_OF_SOCKADDR_UN(&socket_unix)) < 0) goto error;
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svr->path = strdup(buf);
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if (!svr->path) goto error;
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svr->fd_handler = ecore_main_fd_handler_add(svr->fd,
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ECORE_FD_READ,
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_ecore_con_cl_handler, svr,
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NULL, NULL);
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if (!svr->fd_handler) goto error;
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{
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/* we got our server! */
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Ecore_Con_Event_Server_Add *e;
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e = calloc(1, sizeof(Ecore_Con_Event_Server_Add));
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if (e)
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{
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e->server = svr;
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ecore_event_add(ECORE_CON_EVENT_SERVER_ADD, e,
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_ecore_con_event_server_add_free, NULL);
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}
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}
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}
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else if (type == ECORE_CON_REMOTE_SYSTEM)
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{
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struct hostent *he;
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/* FIXME: gethostbyname is blocking... */
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if (!(he = gethostbyname(name))) goto error;
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svr->fd = socket(AF_INET, SOCK_STREAM, 0);
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if (svr->fd < 0) goto error;
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if (fcntl(svr->fd, F_SETFL, O_NONBLOCK) < 0) goto error;
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if (fcntl(svr->fd, F_SETFD, FD_CLOEXEC) < 0) goto error;
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if (setsockopt(svr->fd, SOL_SOCKET, SO_REUSEADDR, &curstate, sizeof(curstate)) < 0) goto error;
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socket_addr.sin_family = AF_INET;
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socket_addr.sin_port = htons(port);
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memcpy((struct in_addr *)&socket_addr.sin_addr,
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he->h_addr, sizeof(struct in_addr));
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if (connect(svr->fd, (struct sockaddr *)&socket_addr, sizeof(struct sockaddr_in)) < 0)
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{
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if (errno != EINPROGRESS)
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goto error;
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svr->connecting = 1;
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svr->fd_handler = ecore_main_fd_handler_add(svr->fd,
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ECORE_FD_READ | ECORE_FD_WRITE,
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_ecore_con_cl_handler, svr,
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NULL, NULL);
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}
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else
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svr->fd_handler = ecore_main_fd_handler_add(svr->fd,
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ECORE_FD_READ,
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_ecore_con_cl_handler, svr,
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NULL, NULL);
|
|
|
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if (!svr->fd_handler) goto error;
|
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}
|
|
|
|
#if USE_OPENSSL
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|
if (compl_type & ECORE_CON_USE_SSL)
|
|
{
|
|
/* SSLv3 gives *weird* results on my box, don't use it yet */
|
|
if (!(svr->ssl_ctx = SSL_CTX_new(SSLv2_client_method())))
|
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goto error;
|
|
|
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if (!(svr->ssl = SSL_new(svr->ssl_ctx)))
|
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goto error;
|
|
|
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SSL_set_fd(svr->ssl, svr->fd);
|
|
}
|
|
#endif
|
|
|
|
svr->name = strdup(name);
|
|
if (!svr->name) goto error;
|
|
svr->type = type;
|
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svr->port = port;
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svr->data = (void *)data;
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|
svr->created = 0;
|
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servers = _ecore_list_append(servers, svr);
|
|
ECORE_MAGIC_SET(svr, ECORE_MAGIC_CON_SERVER);
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return svr;
|
|
|
|
error:
|
|
if (svr->name) free(svr->name);
|
|
if (svr->path) free(svr->path);
|
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if (svr->fd >= 0) close(svr->fd);
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|
if (svr->fd_handler) ecore_main_fd_handler_del(svr->fd_handler);
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#if USE_OPENSSL
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if (svr->ssl) SSL_free(svr->ssl);
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if (svr->ssl_ctx) SSL_CTX_free(svr->ssl_ctx);
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|
#endif
|
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free(svr);
|
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return NULL;
|
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}
|
|
|
|
/**
|
|
* To be documented.
|
|
*
|
|
* FIXME: To be fixed.
|
|
*/
|
|
void *
|
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ecore_con_server_del(Ecore_Con_Server *svr)
|
|
{
|
|
void *data;
|
|
|
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if (!ECORE_MAGIC_CHECK(svr, ECORE_MAGIC_CON_SERVER))
|
|
{
|
|
ECORE_MAGIC_FAIL(svr, ECORE_MAGIC_CON_SERVER,
|
|
"ecore_con_server_del");
|
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return NULL;
|
|
}
|
|
data = svr->data;
|
|
_ecore_con_server_free(svr);
|
|
return data;
|
|
}
|
|
|
|
/**
|
|
* To be documented.
|
|
*
|
|
* FIXME: To be fixed.
|
|
*/
|
|
void *
|
|
ecore_con_server_data_get(Ecore_Con_Server *svr)
|
|
{
|
|
if (!ECORE_MAGIC_CHECK(svr, ECORE_MAGIC_CON_SERVER))
|
|
{
|
|
ECORE_MAGIC_FAIL(svr, ECORE_MAGIC_CON_SERVER,
|
|
"ecore_con_server_data_get");
|
|
return NULL;
|
|
}
|
|
return svr->data;
|
|
}
|
|
|
|
/**
|
|
* To be documented.
|
|
*
|
|
* FIXME: To be fixed.
|
|
*/
|
|
int
|
|
ecore_con_server_connected_get(Ecore_Con_Server *svr)
|
|
{
|
|
if (!ECORE_MAGIC_CHECK(svr, ECORE_MAGIC_CON_SERVER))
|
|
{
|
|
ECORE_MAGIC_FAIL(svr, ECORE_MAGIC_CON_SERVER,
|
|
"ecore_con_server_connected_get");
|
|
return 0;
|
|
}
|
|
if (svr->connecting) return 0;
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* To be documented.
|
|
*
|
|
* FIXME: To be fixed.
|
|
*/
|
|
int
|
|
ecore_con_server_send(Ecore_Con_Server *svr, void *data, int size)
|
|
{
|
|
if (!ECORE_MAGIC_CHECK(svr, ECORE_MAGIC_CON_SERVER))
|
|
{
|
|
ECORE_MAGIC_FAIL(svr, ECORE_MAGIC_CON_SERVER,
|
|
"ecore_con_server_send");
|
|
return 0;
|
|
}
|
|
if (svr->dead) return 0;
|
|
if (!data) return 0;
|
|
if (size < 1) return 0;
|
|
ecore_main_fd_handler_active_set(svr->fd_handler, ECORE_FD_READ | ECORE_FD_WRITE);
|
|
if (svr->write_buf)
|
|
{
|
|
unsigned char *newbuf;
|
|
|
|
newbuf = realloc(svr->write_buf, svr->write_buf_size + size);
|
|
if (newbuf) svr->write_buf = newbuf;
|
|
else return 0;
|
|
memcpy(svr->write_buf + svr->write_buf_size, data, size);
|
|
svr->write_buf_size += size;
|
|
}
|
|
else
|
|
{
|
|
svr->write_buf = malloc(size);
|
|
if (!svr->write_buf) return 0;
|
|
svr->write_buf_size = size;
|
|
memcpy(svr->write_buf, data, size);
|
|
}
|
|
_ecore_con_server_flush(svr);
|
|
return size;
|
|
}
|
|
|
|
/**
|
|
* To be documented.
|
|
*
|
|
* FIXME: To be fixed.
|
|
*/
|
|
int
|
|
ecore_con_client_send(Ecore_Con_Client *cl, void *data, int size)
|
|
{
|
|
if (!ECORE_MAGIC_CHECK(cl, ECORE_MAGIC_CON_CLIENT))
|
|
{
|
|
ECORE_MAGIC_FAIL(cl, ECORE_MAGIC_CON_CLIENT,
|
|
"ecore_con_client_send");
|
|
return 0;
|
|
}
|
|
if (cl->dead) return 0;
|
|
if (!data) return 0;
|
|
if (size < 1) return 0;
|
|
ecore_main_fd_handler_active_set(cl->fd_handler, ECORE_FD_READ | ECORE_FD_WRITE);
|
|
if (cl->buf)
|
|
{
|
|
unsigned char *newbuf;
|
|
|
|
newbuf = realloc(cl->buf, cl->buf_size + size);
|
|
if (newbuf) cl->buf = newbuf;
|
|
else return 0;
|
|
memcpy(cl->buf + cl->buf_size, data, size);
|
|
cl->buf_size += size;
|
|
}
|
|
else
|
|
{
|
|
cl->buf = malloc(size);
|
|
if (!cl->buf) return 0;
|
|
cl->buf_size = size;
|
|
memcpy(cl->buf, data, size);
|
|
}
|
|
_ecore_con_client_flush(cl);
|
|
return size;
|
|
}
|
|
|
|
/**
|
|
* To be documented.
|
|
*
|
|
* FIXME: To be fixed.
|
|
*/
|
|
Ecore_Con_Server *
|
|
ecore_con_client_server_get(Ecore_Con_Client *cl)
|
|
{
|
|
if (!ECORE_MAGIC_CHECK(cl, ECORE_MAGIC_CON_CLIENT))
|
|
{
|
|
ECORE_MAGIC_FAIL(cl, ECORE_MAGIC_CON_CLIENT,
|
|
"ecore_con_client_server_get");
|
|
return NULL;
|
|
}
|
|
return cl->server;
|
|
}
|
|
|
|
/**
|
|
* To be documented.
|
|
*
|
|
* FIXME: To be fixed.
|
|
*/
|
|
void *
|
|
ecore_con_client_del(Ecore_Con_Client *cl)
|
|
{
|
|
void *data;
|
|
|
|
if (!ECORE_MAGIC_CHECK(cl, ECORE_MAGIC_CON_CLIENT))
|
|
{
|
|
ECORE_MAGIC_FAIL(cl, ECORE_MAGIC_CON_CLIENT,
|
|
"ecore_con_client_del");
|
|
return NULL;
|
|
}
|
|
data = cl->data;
|
|
_ecore_con_client_free(cl);
|
|
return data;
|
|
}
|
|
|
|
/**
|
|
* To be documented.
|
|
*
|
|
* FIXME: To be fixed.
|
|
*/
|
|
void
|
|
ecore_con_client_data_set(Ecore_Con_Client *cl, const void *data)
|
|
{
|
|
if (!ECORE_MAGIC_CHECK(cl, ECORE_MAGIC_CON_CLIENT))
|
|
{
|
|
ECORE_MAGIC_FAIL(cl, ECORE_MAGIC_CON_CLIENT,
|
|
"ecore_con_client_data_set");
|
|
return;
|
|
}
|
|
cl->data = (void *)data;
|
|
}
|
|
|
|
/**
|
|
* To be documented.
|
|
*
|
|
* FIXME: To be fixed.
|
|
*/
|
|
void *
|
|
ecore_con_client_data_get(Ecore_Con_Client *cl)
|
|
{
|
|
if (!ECORE_MAGIC_CHECK(cl, ECORE_MAGIC_CON_CLIENT))
|
|
{
|
|
ECORE_MAGIC_FAIL(cl, ECORE_MAGIC_CON_CLIENT,
|
|
"ecore_con_client_data_get");
|
|
return NULL;
|
|
}
|
|
return cl->data;
|
|
}
|
|
|
|
static void
|
|
_ecore_con_server_free(Ecore_Con_Server *svr)
|
|
{
|
|
ECORE_MAGIC_SET(svr, ECORE_MAGIC_NONE);
|
|
while ((svr->write_buf) && (!svr->dead)) _ecore_con_server_flush(svr);
|
|
if (svr->write_buf) free(svr->write_buf);
|
|
servers = _ecore_list_remove(servers, svr);
|
|
while (svr->clients)
|
|
_ecore_con_client_free((Ecore_Con_Client *)svr->clients);
|
|
if ((svr->created) && (svr->path)) unlink(svr->path);
|
|
if (svr->fd >= 0) close(svr->fd);
|
|
#if USE_OPENSSL
|
|
if (svr->ssl)
|
|
{
|
|
SSL_shutdown(svr->ssl);
|
|
SSL_free(svr->ssl);
|
|
}
|
|
if (svr->ssl_ctx) SSL_CTX_free(svr->ssl_ctx);
|
|
#endif
|
|
if (svr->name) free(svr->name);
|
|
if (svr->path) free(svr->path);
|
|
if (svr->fd_handler) ecore_main_fd_handler_del(svr->fd_handler);
|
|
free(svr);
|
|
}
|
|
|
|
static void
|
|
_ecore_con_client_free(Ecore_Con_Client *cl)
|
|
{
|
|
ECORE_MAGIC_SET(cl, ECORE_MAGIC_NONE);
|
|
while ((cl->buf) && (!cl->dead)) _ecore_con_client_flush(cl);
|
|
if (cl->buf) free(cl->buf);
|
|
cl->server->clients = _ecore_list_remove(cl->server->clients, cl);
|
|
if (cl->fd >= 0) close(cl->fd);
|
|
if (cl->fd_handler) ecore_main_fd_handler_del(cl->fd_handler);
|
|
free(cl);
|
|
}
|
|
|
|
static int
|
|
_ecore_con_svr_handler(void *data, Ecore_Fd_Handler *fd_handler)
|
|
{
|
|
Ecore_Con_Server *svr;
|
|
int new_fd;
|
|
struct sockaddr_in incoming;
|
|
size_t size_in;
|
|
|
|
svr = data;
|
|
if (svr->dead) return 1;
|
|
/* a new client */
|
|
size_in = sizeof(struct sockaddr_in);
|
|
new_fd = accept(svr->fd, (struct sockaddr *)&incoming, &size_in);
|
|
if (new_fd >= 0)
|
|
{
|
|
Ecore_Con_Client *cl;
|
|
|
|
cl = calloc(1, sizeof(Ecore_Con_Client));
|
|
if (!cl)
|
|
{
|
|
close(new_fd);
|
|
return 1;
|
|
}
|
|
fcntl(new_fd, F_SETFL, O_NONBLOCK);
|
|
fcntl(new_fd, F_SETFD, FD_CLOEXEC);
|
|
cl->fd = new_fd;
|
|
cl->server = svr;
|
|
cl->fd_handler = ecore_main_fd_handler_add(cl->fd,
|
|
ECORE_FD_READ,
|
|
_ecore_con_svr_cl_handler,
|
|
cl, NULL, NULL);
|
|
ECORE_MAGIC_SET(cl, ECORE_MAGIC_CON_CLIENT);
|
|
svr->clients = _ecore_list_append(svr->clients, cl);
|
|
{
|
|
Ecore_Con_Event_Client_Add *e;
|
|
|
|
e = calloc(1, sizeof(Ecore_Con_Event_Client_Add));
|
|
if (e)
|
|
{
|
|
e->client = cl;
|
|
ecore_event_add(ECORE_CON_EVENT_CLIENT_ADD, e,
|
|
_ecore_con_event_client_add_free, NULL);
|
|
}
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
#if USE_OPENSSL
|
|
/* Tries to connect an Ecore_Con_Server to an SSL host.
|
|
* Returns 1 on success, -1 on fatal errors and 0 if the caller
|
|
* should try again later.
|
|
*/
|
|
static int
|
|
svr_try_connect_ssl(Ecore_Con_Server *svr)
|
|
{
|
|
int res, ssl_err, flag = 0;
|
|
|
|
res = SSL_connect(svr->ssl);
|
|
if (res == 1) return 1;
|
|
ssl_err = SSL_get_error(svr->ssl, res);
|
|
|
|
if (ssl_err == SSL_ERROR_NONE) return 1;
|
|
if (ssl_err == SSL_ERROR_WANT_READ) flag = ECORE_FD_READ;
|
|
else if (ssl_err == SSL_ERROR_WANT_WRITE) flag = ECORE_FD_WRITE;
|
|
else return -1;
|
|
if (flag) ecore_main_fd_handler_active_set(svr->fd_handler, flag);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
kill_server(Ecore_Con_Server *svr)
|
|
{
|
|
Ecore_Con_Event_Server_Del *e;
|
|
|
|
e = calloc(1, sizeof(Ecore_Con_Event_Server_Del));
|
|
if (e)
|
|
{
|
|
e->server = svr;
|
|
ecore_event_add(ECORE_CON_EVENT_SERVER_DEL, e,
|
|
_ecore_con_event_server_del_free, NULL);
|
|
}
|
|
|
|
svr->dead = 1;
|
|
ecore_main_fd_handler_del(svr->fd_handler);
|
|
svr->fd_handler = NULL;
|
|
}
|
|
|
|
static int
|
|
svr_try_connect(Ecore_Con_Server *svr)
|
|
{
|
|
int so_err = 0, size = sizeof(int);
|
|
|
|
if (getsockopt(svr->fd, SOL_SOCKET, SO_ERROR, &so_err, &size) < 0)
|
|
so_err = -1;
|
|
|
|
if (so_err != 0)
|
|
{
|
|
/* we lost our server! */
|
|
kill_server(svr);
|
|
}
|
|
else
|
|
{
|
|
/* we got our server! */
|
|
Ecore_Con_Event_Server_Add *e;
|
|
|
|
svr->connecting = 0;
|
|
e = calloc(1, sizeof(Ecore_Con_Event_Server_Add));
|
|
if (e)
|
|
{
|
|
e->server = svr;
|
|
ecore_event_add(ECORE_CON_EVENT_SERVER_ADD, e,
|
|
_ecore_con_event_server_add_free, NULL);
|
|
}
|
|
if (!svr->write_buf)
|
|
ecore_main_fd_handler_active_set(svr->fd_handler, ECORE_FD_READ);
|
|
}
|
|
return (!svr->dead);
|
|
}
|
|
|
|
|
|
static int
|
|
_ecore_con_cl_handler(void *data, Ecore_Fd_Handler *fd_handler)
|
|
{
|
|
Ecore_Con_Server *svr;
|
|
#if USE_OPENSSL
|
|
int ssl_err = SSL_ERROR_NONE;
|
|
#endif
|
|
|
|
svr = data;
|
|
if (svr->dead) return 1;
|
|
if (ecore_main_fd_handler_active_get(fd_handler, ECORE_FD_READ))
|
|
{
|
|
unsigned char *inbuf = NULL;
|
|
int inbuf_num = 0;
|
|
|
|
#if USE_OPENSSL
|
|
if (svr->ssl && svr->connecting) {
|
|
switch (svr_try_connect_ssl(svr)) {
|
|
case 1:
|
|
if (!svr_try_connect(svr))
|
|
return 1;
|
|
break;
|
|
case -1:
|
|
kill_server(svr);
|
|
return 1;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (;;)
|
|
{
|
|
int num, lost_server = 0;
|
|
char buf[READBUFSIZ];
|
|
|
|
#if USE_OPENSSL
|
|
if (!svr->ssl)
|
|
{
|
|
#endif
|
|
if ((num = read(svr->fd, buf, READBUFSIZ)) < 1)
|
|
lost_server = (errno == EIO || errno == EBADF ||
|
|
errno == EPIPE || errno == EINVAL ||
|
|
errno == ENOSPC || num == 0); /* is num == 0 right? */
|
|
#if USE_OPENSSL
|
|
}
|
|
else
|
|
{
|
|
num = SSL_read(svr->ssl, buf, READBUFSIZ);
|
|
if (num < 1)
|
|
{
|
|
ssl_err = SSL_get_error(svr->ssl, num);
|
|
lost_server = (ssl_err == SSL_ERROR_ZERO_RETURN);
|
|
}
|
|
else
|
|
ssl_err = SSL_ERROR_NONE;
|
|
}
|
|
#endif
|
|
if (num < 1)
|
|
{
|
|
if (inbuf)
|
|
{
|
|
Ecore_Con_Event_Server_Data *e;
|
|
|
|
e = calloc(1, sizeof(Ecore_Con_Event_Server_Data));
|
|
if (e)
|
|
{
|
|
e->server = svr;
|
|
e->data = inbuf;
|
|
e->size = inbuf_num;
|
|
ecore_event_add(ECORE_CON_EVENT_SERVER_DATA, e,
|
|
_ecore_con_event_server_data_free, NULL);
|
|
}
|
|
}
|
|
if (lost_server)
|
|
{
|
|
/* we lost our server! */
|
|
kill_server(svr);
|
|
return 1;
|
|
}
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
inbuf = realloc(inbuf, inbuf_num + num);
|
|
memcpy(inbuf + inbuf_num, buf, num);
|
|
inbuf_num += num;
|
|
}
|
|
}
|
|
|
|
#if USE_OPENSSL
|
|
if (svr->ssl && ssl_err == SSL_ERROR_WANT_READ)
|
|
ecore_main_fd_handler_active_set(svr->fd_handler, ECORE_FD_READ);
|
|
else if (svr->ssl && ssl_err == SSL_ERROR_WANT_WRITE)
|
|
ecore_main_fd_handler_active_set(svr->fd_handler, ECORE_FD_WRITE);
|
|
#endif
|
|
}
|
|
else if (ecore_main_fd_handler_active_get(fd_handler, ECORE_FD_WRITE))
|
|
{
|
|
if (svr->connecting)
|
|
{
|
|
#if USE_OPENSSL
|
|
if (!svr->ssl)
|
|
{
|
|
#endif
|
|
if (!svr_try_connect(svr))
|
|
return 1;
|
|
#if USE_OPENSSL
|
|
}
|
|
else
|
|
switch (svr_try_connect_ssl(svr)) {
|
|
case 1:
|
|
if (!svr_try_connect(svr))
|
|
return 1;
|
|
case -1:
|
|
kill_server(svr);
|
|
return 1;
|
|
}
|
|
#endif
|
|
}
|
|
_ecore_con_server_flush(svr);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
_ecore_con_svr_cl_handler(void *data, Ecore_Fd_Handler *fd_handler)
|
|
{
|
|
Ecore_Con_Client *cl;
|
|
|
|
cl = data;
|
|
if (cl->dead) return 1;
|
|
if (ecore_main_fd_handler_active_get(fd_handler, ECORE_FD_READ))
|
|
{
|
|
unsigned char *inbuf = NULL;
|
|
int inbuf_num = 0;
|
|
|
|
for (;;)
|
|
{
|
|
char buf[65536];
|
|
int num;
|
|
|
|
errno = 0;
|
|
num = read(cl->fd, buf, 65536);
|
|
if (num < 1)
|
|
{
|
|
if (inbuf)
|
|
{
|
|
Ecore_Con_Event_Client_Data *e;
|
|
|
|
e = calloc(1, sizeof(Ecore_Con_Event_Client_Data));
|
|
if (e)
|
|
{
|
|
e->client = cl;
|
|
e->data = inbuf;
|
|
e->size = inbuf_num;
|
|
ecore_event_add(ECORE_CON_EVENT_CLIENT_DATA, e,
|
|
_ecore_con_event_client_data_free, NULL);
|
|
}
|
|
}
|
|
if ((errno == EIO) || (errno == EBADF) ||
|
|
(errno == EPIPE) || (errno == EINVAL) ||
|
|
(errno == ENOSPC) || (num == 0)/* is num == 0 right? */)
|
|
{
|
|
/* we lost our client! */
|
|
Ecore_Con_Event_Client_Del *e;
|
|
|
|
e = calloc(1, sizeof(Ecore_Con_Event_Client_Del));
|
|
if (e)
|
|
{
|
|
e->client = cl;
|
|
ecore_event_add(ECORE_CON_EVENT_CLIENT_DEL, e,
|
|
_ecore_con_event_client_del_free, NULL);
|
|
}
|
|
cl->dead = 1;
|
|
ecore_main_fd_handler_del(cl->fd_handler);
|
|
cl->fd_handler = NULL;
|
|
}
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
inbuf = realloc(inbuf, inbuf_num + num);
|
|
memcpy(inbuf + inbuf_num, buf, num);
|
|
inbuf_num += num;
|
|
}
|
|
}
|
|
}
|
|
else if (ecore_main_fd_handler_active_get(fd_handler, ECORE_FD_WRITE))
|
|
_ecore_con_client_flush(cl);
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
_ecore_con_server_flush(Ecore_Con_Server *svr)
|
|
{
|
|
int count, num, lost_server = 0;
|
|
#if USE_OPENSSL
|
|
int ssl_err = SSL_ERROR_NONE;
|
|
#endif
|
|
|
|
if (!svr->write_buf) return;
|
|
|
|
/* check whether we need to write anything at all.
|
|
* we must not write zero bytes with SSL_write() since it
|
|
* causes undefined behaviour
|
|
*/
|
|
if (svr->write_buf_size == svr->write_buf_offset)
|
|
return;
|
|
|
|
num = svr->write_buf_size - svr->write_buf_offset;
|
|
#if USE_OPENSSL
|
|
if (!svr->ssl)
|
|
{
|
|
#endif
|
|
count = write(svr->fd, svr->write_buf + svr->write_buf_offset, num);
|
|
if (count < 1)
|
|
lost_server = (errno == EIO || errno == EBADF ||
|
|
errno == EPIPE || errno == EINVAL ||
|
|
errno == ENOSPC);
|
|
#if USE_OPENSSL
|
|
}
|
|
else
|
|
{
|
|
count = SSL_write(svr->ssl, svr->write_buf + svr->write_buf_offset, num);
|
|
|
|
if (count < 1)
|
|
{
|
|
ssl_err = SSL_get_error(svr->ssl, count);
|
|
lost_server = (ssl_err == SSL_ERROR_ZERO_RETURN);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (lost_server)
|
|
{
|
|
/* we lost our server! */
|
|
kill_server(svr);
|
|
return;
|
|
}
|
|
|
|
if (count < 1)
|
|
{
|
|
#if USE_OPENSSL
|
|
if (svr->ssl && ssl_err == SSL_ERROR_WANT_READ)
|
|
ecore_main_fd_handler_active_set(svr->fd_handler,
|
|
ECORE_FD_READ);
|
|
else if (svr->ssl && ssl_err == SSL_ERROR_WANT_WRITE)
|
|
ecore_main_fd_handler_active_set(svr->fd_handler,
|
|
ECORE_FD_WRITE);
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
svr->write_buf_offset += count;
|
|
if (svr->write_buf_offset >= svr->write_buf_size)
|
|
{
|
|
svr->write_buf_size = 0;
|
|
svr->write_buf_offset = 0;
|
|
free(svr->write_buf);
|
|
svr->write_buf = NULL;
|
|
ecore_main_fd_handler_active_set(svr->fd_handler, ECORE_FD_READ);
|
|
}
|
|
}
|
|
|
|
static void
|
|
_ecore_con_client_flush(Ecore_Con_Client *cl)
|
|
{
|
|
int count, num;
|
|
|
|
if (!cl->buf) return;
|
|
num = cl->buf_size - cl->buf_offset;
|
|
count = write(cl->fd, cl->buf + cl->buf_offset, num);
|
|
if (count < 1)
|
|
{
|
|
if ((errno == EIO) || (errno == EBADF) || (errno == EPIPE) ||
|
|
(errno == EINVAL) || (errno == ENOSPC))
|
|
{
|
|
/* we lost our client! */
|
|
Ecore_Con_Event_Client_Del *e;
|
|
|
|
e = calloc(1, sizeof(Ecore_Con_Event_Client_Del));
|
|
if (e)
|
|
{
|
|
e->client = cl;
|
|
ecore_event_add(ECORE_CON_EVENT_CLIENT_DEL, e,
|
|
_ecore_con_event_client_del_free, NULL);
|
|
}
|
|
cl->dead = 1;
|
|
ecore_main_fd_handler_del(cl->fd_handler);
|
|
cl->fd_handler = NULL;
|
|
}
|
|
return;
|
|
}
|
|
cl->buf_offset += count;
|
|
if (cl->buf_offset >= cl->buf_size)
|
|
{
|
|
cl->buf_size = 0;
|
|
cl->buf_offset = 0;
|
|
free(cl->buf);
|
|
cl->buf = NULL;
|
|
ecore_main_fd_handler_active_set(cl->fd_handler, ECORE_FD_READ);
|
|
}
|
|
}
|
|
|
|
static void
|
|
_ecore_con_event_client_add_free(void *data, void *ev)
|
|
{
|
|
Ecore_Con_Event_Client_Add *e;
|
|
|
|
e = ev;
|
|
free(e);
|
|
}
|
|
|
|
static void
|
|
_ecore_con_event_client_del_free(void *data, void *ev)
|
|
{
|
|
Ecore_Con_Event_Client_Del *e;
|
|
|
|
e = ev;
|
|
free(e);
|
|
}
|
|
|
|
static void
|
|
_ecore_con_event_server_add_free(void *data, void *ev)
|
|
{
|
|
Ecore_Con_Event_Server_Add *e;
|
|
|
|
e = ev;
|
|
free(e);
|
|
}
|
|
|
|
static void
|
|
_ecore_con_event_server_del_free(void *data, void *ev)
|
|
{
|
|
Ecore_Con_Event_Server_Del *e;
|
|
|
|
e = ev;
|
|
free(e);
|
|
}
|
|
|
|
static void
|
|
_ecore_con_event_client_data_free(void *data, void *ev)
|
|
{
|
|
Ecore_Con_Event_Client_Data *e;
|
|
|
|
e = ev;
|
|
if (e->data) free(e->data);
|
|
free(e);
|
|
}
|
|
|
|
static void
|
|
_ecore_con_event_server_data_free(void *data, void *ev)
|
|
{
|
|
Ecore_Con_Event_Server_Data *e;
|
|
|
|
e = ev;
|
|
if (e->data) free(e->data);
|
|
free(e);
|
|
}
|