334 lines
8.8 KiB
C
334 lines
8.8 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <time.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef HAVE_ERRNO_H
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# include <errno.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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# include <sys/socket.h>
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#endif
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#ifdef HAVE_SYS_UN_H
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# include <sys/un.h>
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#endif
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#ifdef HAVE_WS2TCPIP_H
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# include <ws2tcpip.h>
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#endif
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#include <Ecore.h>
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#include <ecore_private.h>
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#include "Ecore_Con.h"
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#include "ecore_con_private.h"
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#define LENGTH_OF_SOCKADDR_UN(s) (strlen((s)->sun_path) + \
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(size_t)(((struct sockaddr_un *)NULL)-> \
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sun_path))
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#define LENGTH_OF_ABSTRACT_SOCKADDR_UN(s, path) (strlen(path) + 1 + \
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(size_t)(((struct sockaddr_un \
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*)NULL)->sun_path))
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static int _ecore_con_local_init_count = 0;
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int
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ecore_con_local_init(void)
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{
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if (++_ecore_con_local_init_count != 1)
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return _ecore_con_local_init_count;
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return _ecore_con_local_init_count;
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}
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int
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ecore_con_local_shutdown(void)
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{
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if (--_ecore_con_local_init_count != 0)
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return _ecore_con_local_init_count;
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return _ecore_con_local_init_count;
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}
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int
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ecore_con_local_connect(Ecore_Con_Server *svr,
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Eina_Bool (*cb_done)(void *data, Ecore_Fd_Handler *fd_handler),
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void *data EINA_UNUSED)
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{
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#ifndef HAVE_LOCAL_SOCKETS
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return 0;
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#else
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char buf[4096];
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struct sockaddr_un socket_unix;
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int curstate = 0;
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const char *homedir;
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int socket_unix_len;
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if ((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_USER)
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{
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homedir = getenv("XDG_RUNTIME_DIR");
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if (!homedir)
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{
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homedir = getenv("HOME");
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if (!homedir)
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{
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homedir = getenv("TMP");
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if (!homedir) homedir = "/tmp";
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}
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}
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snprintf(buf, sizeof(buf), "%s/.ecore/%s/%i", homedir, svr->name,
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svr->port);
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}
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else if ((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_SYSTEM)
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{
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if (svr->port < 0)
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{
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if (svr->name[0] == '/')
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strncpy(buf, svr->name, sizeof(buf));
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else
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snprintf(buf, sizeof(buf), "/tmp/.ecore_service|%s", svr->name);
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}
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else
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{
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if (svr->name[0] ==
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'/')
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snprintf(buf, sizeof(buf), "%s|%i", svr->name,
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svr->port);
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else
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snprintf(buf, sizeof(buf), "/tmp/.ecore_service|%s|%i",
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svr->name,
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svr->port);
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}
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}
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else if ((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_ABSTRACT)
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strncpy(buf, svr->name,
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sizeof(buf));
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svr->fd = socket(AF_UNIX, SOCK_STREAM, 0);
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if (svr->fd < 0)
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return 0;
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if (fcntl(svr->fd, F_SETFL, O_NONBLOCK) < 0)
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return 0;
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if (fcntl(svr->fd, F_SETFD, FD_CLOEXEC) < 0)
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return 0;
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if (setsockopt(svr->fd, SOL_SOCKET, SO_REUSEADDR, (const void *)&curstate,
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sizeof(curstate)) < 0)
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return 0;
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socket_unix.sun_family = AF_UNIX;
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if ((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_ABSTRACT)
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{
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#ifdef HAVE_ABSTRACT_SOCKETS
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/* copy name insto sun_path, prefixed by null to indicate abstract namespace */
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snprintf(socket_unix.sun_path, sizeof(socket_unix.sun_path), ".%s",
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svr->name);
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socket_unix.sun_path[0] = '\0';
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socket_unix_len = LENGTH_OF_ABSTRACT_SOCKADDR_UN(&socket_unix,
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svr->name);
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#else
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WRN("Your system does not support abstract sockets!");
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return 0;
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#endif
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}
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else
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{
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strncpy(socket_unix.sun_path, buf, sizeof(socket_unix.sun_path));
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socket_unix_len = LENGTH_OF_SOCKADDR_UN(&socket_unix);
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}
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if (connect(svr->fd, (struct sockaddr *)&socket_unix,
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socket_unix_len) < 0)
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{
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DBG("local connection failed: %s", strerror(errno));
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return 0;
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}
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svr->path = strdup(buf);
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if (!svr->path)
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return 0;
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if (svr->type & ECORE_CON_SSL)
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ecore_con_ssl_server_init(svr);
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svr->fd_handler =
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ecore_main_fd_handler_add(svr->fd, ECORE_FD_READ,
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cb_done, svr, NULL, NULL);
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if (!svr->fd_handler)
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return 0;
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if (!svr->delete_me) ecore_con_event_server_add(svr);
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return 1;
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#endif
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}
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int
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ecore_con_local_listen(
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Ecore_Con_Server *svr,
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Eina_Bool (*
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cb_listen)(void *data,
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Ecore_Fd_Handler *
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fd_handler),
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void *data
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EINA_UNUSED)
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{
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#ifdef HAVE_LOCAL_SOCKETS
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char buf[4096];
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struct sockaddr_un socket_unix;
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struct linger lin;
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mode_t pmode;
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const char *homedir;
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struct stat st;
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mode_t mask;
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int socket_unix_len;
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mask = S_IRGRP | S_IWGRP | S_IXGRP | S_IROTH | S_IWOTH | S_IXOTH;
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if ((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_USER)
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{
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homedir = getenv("XDG_RUNTIME_DIR");
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if (!homedir)
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{
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homedir = getenv("HOME");
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if (!homedir)
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{
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homedir = getenv("TMP");
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if (!homedir) homedir = "/tmp";
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}
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}
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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)
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mkdir(buf, mask);
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snprintf(buf, sizeof(buf), "%s/.ecore/%s", homedir, svr->name);
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if (stat(buf, &st) < 0)
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mkdir(buf, mask);
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snprintf(buf,
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sizeof(buf),
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"%s/.ecore/%s/%i",
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homedir,
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svr->name,
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svr->port);
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mask = S_IRGRP | S_IWGRP | S_IXGRP | S_IROTH | S_IWOTH | S_IXOTH;
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}
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else if ((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_SYSTEM)
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{
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mask = 0;
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if (svr->name[0] == '/')
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{
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if (svr->port >= 0)
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snprintf(buf,
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sizeof(buf),
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"%s|%i",
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svr->name,
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svr->port);
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else
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snprintf(buf,
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sizeof(buf),
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"%s",
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svr->name);
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}
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else
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snprintf(buf,
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sizeof(buf),
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"/tmp/.ecore_service|%s|%i",
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svr->name,
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svr->port);
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}
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else if ((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_ABSTRACT)
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strncpy(buf, svr->name,
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sizeof(buf));
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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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goto error_umask;
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if (fcntl(svr->fd, F_SETFL, O_NONBLOCK) < 0)
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goto error_umask;
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if (fcntl(svr->fd, F_SETFD, FD_CLOEXEC) < 0)
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goto error_umask;
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lin.l_onoff = 1;
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lin.l_linger = 0;
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if (setsockopt(svr->fd, SOL_SOCKET, SO_LINGER, (const void *)&lin,
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sizeof(struct linger)) < 0)
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goto error_umask;
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socket_unix.sun_family = AF_UNIX;
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if ((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_ABSTRACT)
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{
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#ifdef HAVE_ABSTRACT_SOCKETS
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/* . is a placeholder */
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snprintf(socket_unix.sun_path, sizeof(socket_unix.sun_path), ".%s",
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svr->name);
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/* first char null indicates abstract namespace */
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socket_unix.sun_path[0] = '\0';
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socket_unix_len = LENGTH_OF_ABSTRACT_SOCKADDR_UN(&socket_unix,
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svr->name);
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#else
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ERR("Your system does not support abstract sockets!");
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goto error_umask;
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#endif
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}
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else
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{
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strncpy(socket_unix.sun_path, buf, sizeof(socket_unix.sun_path));
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socket_unix_len = LENGTH_OF_SOCKADDR_UN(&socket_unix);
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}
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if (bind(svr->fd, (struct sockaddr *)&socket_unix, socket_unix_len) < 0)
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{
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if ((((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_USER) ||
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((svr->type & ECORE_CON_TYPE) == ECORE_CON_LOCAL_SYSTEM)) &&
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(connect(svr->fd, (struct sockaddr *)&socket_unix,
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socket_unix_len) < 0) &&
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(unlink(buf) >= 0))
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goto start;
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else
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goto error_umask;
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}
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if (listen(svr->fd, 4096) < 0)
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goto error_umask;
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svr->path = strdup(buf);
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if (!svr->path)
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goto error_umask;
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svr->fd_handler =
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ecore_main_fd_handler_add(svr->fd, ECORE_FD_READ,
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cb_listen, svr, NULL, NULL);
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umask(pmode);
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if (!svr->fd_handler)
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goto error;
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return 1;
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error_umask:
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umask(pmode);
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error:
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#endif /* HAVE_LOCAL_SOCKETS */
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return 0;
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}
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