2011-07-09 11:42:33 +02:00
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/* $Id$ */
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2007-07-09 21:04:12 +02:00
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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2009-03-27 16:57:10 +01:00
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#include <sys/stat.h>
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2007-07-09 21:04:12 +02:00
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2007-10-03 23:31:07 +02:00
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#include <errno.h>
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2009-11-08 23:40:36 +01:00
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#include <event.h>
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2010-10-24 02:47:46 +02:00
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#include <fcntl.h>
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2007-10-20 11:57:08 +02:00
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#include <pwd.h>
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2007-07-09 21:04:12 +02:00
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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2009-05-14 01:27:00 +02:00
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#include "tmux.h"
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2009-11-05 00:09:09 +01:00
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#if defined(DEBUG) && defined(__OpenBSD__)
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2009-11-04 23:49:27 +01:00
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extern char *malloc_options;
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2007-07-09 21:04:12 +02:00
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#endif
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2009-12-10 17:59:02 +01:00
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struct options global_options; /* server options */
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2009-07-08 20:01:31 +02:00
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struct options global_s_options; /* session options */
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struct options global_w_options; /* window options */
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2009-08-09 19:48:55 +02:00
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struct environ global_environ;
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2008-06-03 23:42:37 +02:00
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2010-05-14 16:30:01 +02:00
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struct event_base *ev_base;
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2010-10-24 03:31:08 +02:00
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char *cfg_file;
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char *shell_cmd;
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2007-07-09 21:04:12 +02:00
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int debug_level;
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2009-01-10 00:57:42 +01:00
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time_t start_time;
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2010-10-24 03:31:08 +02:00
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char socket_path[MAXPATHLEN];
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2009-09-03 23:02:55 +02:00
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int login_shell;
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2010-10-24 03:31:08 +02:00
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char *environ_path;
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2011-02-15 00:11:33 +01:00
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pid_t environ_pid = -1;
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2013-03-07 11:07:22 +01:00
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int environ_session_id = -1;
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2010-02-08 19:23:48 +01:00
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2008-06-02 23:08:36 +02:00
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__dead void usage(void);
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2010-10-24 03:31:08 +02:00
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void parseenvironment(void);
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char *makesocketpath(const char *);
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2009-11-08 23:40:36 +01:00
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2010-12-31 23:12:33 +01:00
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#ifndef HAVE___PROGNAME
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2009-07-22 18:53:30 +02:00
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char *__progname = (char *) "tmux";
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2008-06-19 00:21:51 +02:00
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#endif
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2008-06-18 22:11:25 +02:00
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2008-06-02 23:08:36 +02:00
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__dead void
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usage(void)
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2007-09-26 15:43:15 +02:00
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{
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2009-06-25 17:44:44 +02:00
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fprintf(stderr,
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2010-12-27 22:22:24 +01:00
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"usage: %s [-28lquvV] [-c shell-command] [-f file] [-L socket-name]\n"
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" [-S socket-path] [command [flags]]\n",
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2008-06-02 23:08:36 +02:00
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__progname);
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exit(1);
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2007-09-26 15:43:15 +02:00
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}
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2007-08-27 15:45:26 +02:00
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2007-09-26 15:43:15 +02:00
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void
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logfile(const char *name)
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2007-07-09 21:04:12 +02:00
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{
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2007-09-26 15:43:15 +02:00
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char *path;
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if (debug_level > 0) {
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2009-08-14 23:28:00 +02:00
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xasprintf(&path, "tmux-%s-%ld.log", name, (long) getpid());
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2012-05-30 15:42:57 +02:00
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log_open(debug_level, path);
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2012-07-11 21:34:16 +02:00
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free(path);
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2007-09-26 15:43:15 +02:00
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}
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2007-07-09 21:04:12 +02:00
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}
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2009-09-02 03:02:44 +02:00
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const char *
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getshell(void)
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{
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struct passwd *pw;
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const char *shell;
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shell = getenv("SHELL");
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if (checkshell(shell))
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return (shell);
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pw = getpwuid(getuid());
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if (pw != NULL && checkshell(pw->pw_shell))
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return (pw->pw_shell);
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return (_PATH_BSHELL);
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}
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int
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checkshell(const char *shell)
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{
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2011-10-02 13:32:24 +02:00
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if (shell == NULL || *shell == '\0' || *shell != '/')
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return (0);
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if (areshell(shell))
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2009-09-02 03:02:44 +02:00
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return (0);
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if (access(shell, X_OK) != 0)
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return (0);
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return (1);
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}
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int
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areshell(const char *shell)
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{
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const char *progname, *ptr;
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if ((ptr = strrchr(shell, '/')) != NULL)
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ptr++;
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else
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ptr = shell;
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progname = __progname;
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if (*progname == '-')
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progname++;
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if (strcmp(ptr, progname) == 0)
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return (1);
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return (0);
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}
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2011-10-23 17:08:58 +02:00
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const char*
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get_full_path(const char *wd, const char *path)
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{
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static char newpath[MAXPATHLEN];
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char oldpath[MAXPATHLEN];
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if (getcwd(oldpath, sizeof oldpath) == NULL)
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return (NULL);
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if (chdir(wd) != 0)
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return (NULL);
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if (realpath(path, newpath) != 0)
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return (NULL);
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chdir(oldpath);
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return (newpath);
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}
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2009-10-23 19:32:26 +02:00
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void
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2010-10-24 03:31:08 +02:00
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parseenvironment(void)
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2009-10-23 19:32:26 +02:00
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{
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2011-02-15 00:11:33 +01:00
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char *env, path[256];
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long pid;
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2013-03-07 11:07:22 +01:00
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int id;
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2009-10-23 19:32:26 +02:00
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if ((env = getenv("TMUX")) == NULL)
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return;
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2013-03-07 11:07:22 +01:00
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if (sscanf(env, "%255[^,],%ld,%d", path, &pid, &id) != 3)
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2009-10-23 19:32:26 +02:00
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return;
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2011-02-15 00:11:33 +01:00
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environ_path = xstrdup(path);
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environ_pid = pid;
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2013-03-07 11:07:22 +01:00
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environ_session_id = id;
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2009-10-23 19:32:26 +02:00
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}
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2009-03-27 16:57:10 +01:00
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char *
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2010-10-24 03:31:08 +02:00
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makesocketpath(const char *label)
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2009-03-27 16:57:10 +01:00
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{
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2012-11-26 12:35:28 +01:00
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char base[MAXPATHLEN], realbase[MAXPATHLEN], *path, *s;
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2009-03-27 16:57:10 +01:00
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struct stat sb;
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u_int uid;
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2013-06-14 21:35:39 +02:00
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int do_random_label = 1;
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2009-03-27 16:57:10 +01:00
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uid = getuid();
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2011-01-22 00:46:50 +01:00
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if ((s = getenv("TMPDIR")) == NULL || *s == '\0')
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2013-06-02 05:16:06 +02:00
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xsnprintf(base, sizeof base, "%s/tmate-%u", _PATH_TMP, uid);
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2011-01-22 00:46:50 +01:00
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else
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2013-06-02 05:16:06 +02:00
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xsnprintf(base, sizeof base, "%s/tmate-%u", s, uid);
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2009-03-27 16:57:10 +01:00
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if (mkdir(base, S_IRWXU) != 0 && errno != EEXIST)
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return (NULL);
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if (lstat(base, &sb) != 0)
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return (NULL);
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2009-04-01 22:15:48 +02:00
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if (!S_ISDIR(sb.st_mode)) {
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errno = ENOTDIR;
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2009-03-27 16:57:10 +01:00
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return (NULL);
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}
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2009-04-01 22:15:48 +02:00
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if (sb.st_uid != uid || (sb.st_mode & (S_IRWXG|S_IRWXO)) != 0) {
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2009-03-27 16:57:10 +01:00
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errno = EACCES;
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return (NULL);
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}
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2012-11-26 12:35:28 +01:00
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if (realpath(base, realbase) == NULL)
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strlcpy(realbase, base, sizeof realbase);
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2013-06-14 21:35:39 +02:00
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if (!label) {
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do_random_label = 1;
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label = "XXXXXX";
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}
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2012-11-26 12:35:28 +01:00
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xasprintf(&path, "%s/%s", realbase, label);
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2013-06-14 21:35:39 +02:00
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if (do_random_label)
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mktemp(path);
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2009-03-27 16:57:10 +01:00
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return (path);
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}
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2011-01-22 00:44:13 +01:00
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void
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setblocking(int fd, int state)
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{
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int mode;
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if ((mode = fcntl(fd, F_GETFL)) != -1) {
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if (!state)
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mode |= O_NONBLOCK;
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else
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mode &= ~O_NONBLOCK;
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fcntl(fd, F_SETFL, mode);
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}
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}
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2009-11-08 23:40:36 +01:00
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__dead void
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shell_exec(const char *shell, const char *shellcmd)
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{
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const char *shellname, *ptr;
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char *argv0;
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ptr = strrchr(shell, '/');
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if (ptr != NULL && *(ptr + 1) != '\0')
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shellname = ptr + 1;
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else
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shellname = shell;
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if (login_shell)
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xasprintf(&argv0, "-%s", shellname);
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else
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xasprintf(&argv0, "%s", shellname);
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setenv("SHELL", shell, 1);
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2011-01-22 00:44:13 +01:00
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setblocking(STDIN_FILENO, 1);
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setblocking(STDOUT_FILENO, 1);
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setblocking(STDERR_FILENO, 1);
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2010-10-24 02:45:57 +02:00
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closefrom(STDERR_FILENO + 1);
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2009-11-08 23:40:36 +01:00
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execl(shell, argv0, "-c", shellcmd, (char *) NULL);
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fatal("execl failed");
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}
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2007-07-09 21:04:12 +02:00
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int
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2007-09-26 15:43:15 +02:00
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main(int argc, char **argv)
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2007-07-09 21:04:12 +02:00
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{
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2010-10-24 03:31:08 +02:00
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struct passwd *pw;
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char *s, *path, *label, *home, **var;
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2010-12-06 22:59:42 +01:00
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int opt, flags, quiet, keys;
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2007-08-27 15:45:26 +02:00
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2009-11-05 00:09:09 +01:00
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#if defined(DEBUG) && defined(__OpenBSD__)
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2009-11-04 23:49:27 +01:00
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malloc_options = (char *) "AFGJPX";
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#endif
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2013-06-02 05:16:06 +02:00
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flags = IDENTIFY_256COLOURS | IDENTIFY_UTF8;
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quiet = 0;
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2010-10-24 03:31:08 +02:00
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label = path = NULL;
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2009-09-03 23:02:55 +02:00
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login_shell = (**argv == '-');
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2012-06-18 17:23:01 +02:00
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while ((opt = getopt(argc, argv, "28c:Cdf:lL:qS:uUvV")) != -1) {
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2009-09-03 23:02:55 +02:00
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switch (opt) {
|
2008-09-25 22:08:57 +02:00
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case '2':
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flags |= IDENTIFY_256COLOURS;
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2009-03-07 11:29:06 +01:00
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flags &= ~IDENTIFY_88COLOURS;
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break;
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case '8':
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flags |= IDENTIFY_88COLOURS;
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flags &= ~IDENTIFY_256COLOURS;
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2008-09-25 22:08:57 +02:00
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break;
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2009-09-23 17:18:56 +02:00
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case 'c':
|
2012-07-11 21:34:16 +02:00
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free(shell_cmd);
|
2010-10-24 03:31:08 +02:00
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shell_cmd = xstrdup(optarg);
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2009-09-23 17:18:56 +02:00
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break;
|
2012-06-18 17:23:01 +02:00
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case 'C':
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if (flags & IDENTIFY_CONTROL)
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flags |= IDENTIFY_TERMIOS;
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else
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flags |= IDENTIFY_CONTROL;
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break;
|
2010-12-10 22:19:13 +01:00
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case 'V':
|
2010-12-31 23:12:33 +01:00
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printf("%s %s\n", __progname, VERSION);
|
2010-12-10 22:19:13 +01:00
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exit(0);
|
2008-06-02 20:08:17 +02:00
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case 'f':
|
2012-07-11 21:34:16 +02:00
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free(cfg_file);
|
2008-06-02 20:08:17 +02:00
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cfg_file = xstrdup(optarg);
|
2007-11-16 22:12:31 +01:00
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|
break;
|
2009-09-03 23:02:55 +02:00
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case 'l':
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|
login_shell = 1;
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|
break;
|
2009-03-27 16:57:10 +01:00
|
|
|
case 'L':
|
2012-07-11 21:34:16 +02:00
|
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|
free(label);
|
2009-03-27 16:57:10 +01:00
|
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|
label = xstrdup(optarg);
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|
break;
|
2009-09-02 02:54:00 +02:00
|
|
|
case 'q':
|
2009-12-10 17:59:02 +01:00
|
|
|
quiet = 1;
|
2009-09-02 02:54:00 +02:00
|
|
|
break;
|
2007-09-26 21:38:42 +02:00
|
|
|
case 'S':
|
2012-07-11 21:34:16 +02:00
|
|
|
free(path);
|
2007-09-26 15:43:15 +02:00
|
|
|
path = xstrdup(optarg);
|
2007-07-09 21:04:12 +02:00
|
|
|
break;
|
2008-09-10 00:16:37 +02:00
|
|
|
case 'u':
|
|
|
|
flags |= IDENTIFY_UTF8;
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|
|
|
break;
|
2007-09-26 15:43:15 +02:00
|
|
|
case 'v':
|
|
|
|
debug_level++;
|
2007-07-09 21:04:12 +02:00
|
|
|
break;
|
2009-10-29 00:12:38 +01:00
|
|
|
default:
|
2008-06-02 23:08:36 +02:00
|
|
|
usage();
|
2009-10-29 00:12:38 +01:00
|
|
|
}
|
|
|
|
}
|
2007-09-26 15:43:15 +02:00
|
|
|
argc -= optind;
|
|
|
|
argv += optind;
|
2007-07-09 21:04:12 +02:00
|
|
|
|
2010-10-24 03:31:08 +02:00
|
|
|
if (shell_cmd != NULL && argc != 0)
|
2009-09-23 17:18:56 +02:00
|
|
|
usage();
|
|
|
|
|
2009-07-18 13:05:13 +02:00
|
|
|
if (!(flags & IDENTIFY_UTF8)) {
|
|
|
|
/*
|
|
|
|
* If the user has set whichever of LC_ALL, LC_CTYPE or LANG
|
|
|
|
* exist (in that order) to contain UTF-8, it is a safe
|
|
|
|
* assumption that either they are using a UTF-8 terminal, or
|
|
|
|
* if not they know that output from UTF-8-capable programs may
|
|
|
|
* be wrong.
|
|
|
|
*/
|
2011-10-23 17:04:30 +02:00
|
|
|
if ((s = getenv("LC_ALL")) == NULL || *s == '\0') {
|
|
|
|
if ((s = getenv("LC_CTYPE")) == NULL || *s == '\0')
|
2009-07-18 13:05:13 +02:00
|
|
|
s = getenv("LANG");
|
|
|
|
}
|
2009-08-09 18:39:40 +02:00
|
|
|
if (s != NULL && (strcasestr(s, "UTF-8") != NULL ||
|
|
|
|
strcasestr(s, "UTF8") != NULL))
|
2009-07-18 13:05:13 +02:00
|
|
|
flags |= IDENTIFY_UTF8;
|
|
|
|
}
|
|
|
|
|
2009-09-04 22:37:40 +02:00
|
|
|
environ_init(&global_environ);
|
2009-12-04 23:14:47 +01:00
|
|
|
for (var = environ; *var != NULL; var++)
|
2009-09-04 22:37:40 +02:00
|
|
|
environ_put(&global_environ, *var);
|
|
|
|
|
2009-12-10 17:59:02 +01:00
|
|
|
options_init(&global_options, NULL);
|
2011-01-04 00:52:38 +01:00
|
|
|
options_table_populate_tree(server_options_table, &global_options);
|
|
|
|
options_set_number(&global_options, "quiet", quiet);
|
2009-12-10 17:59:02 +01:00
|
|
|
|
2009-07-08 20:01:31 +02:00
|
|
|
options_init(&global_s_options, NULL);
|
2011-01-04 00:52:38 +01:00
|
|
|
options_table_populate_tree(session_options_table, &global_s_options);
|
|
|
|
options_set_string(&global_s_options, "default-shell", "%s", getshell());
|
2009-07-08 20:01:31 +02:00
|
|
|
|
2011-01-04 00:52:38 +01:00
|
|
|
options_init(&global_w_options, NULL);
|
|
|
|
options_table_populate_tree(window_options_table, &global_w_options);
|
|
|
|
|
|
|
|
/* Enable UTF-8 if the first client is on UTF-8 terminal. */
|
2009-12-04 23:14:47 +01:00
|
|
|
if (flags & IDENTIFY_UTF8) {
|
2011-01-04 00:52:38 +01:00
|
|
|
options_set_number(&global_s_options, "status-utf8", 1);
|
2011-01-07 15:34:45 +01:00
|
|
|
options_set_number(&global_s_options, "mouse-utf8", 1);
|
2011-01-04 00:52:38 +01:00
|
|
|
options_set_number(&global_w_options, "utf8", 1);
|
2009-09-04 22:37:40 +02:00
|
|
|
}
|
|
|
|
|
2011-01-04 00:52:38 +01:00
|
|
|
/* Override keys to vi if VISUAL or EDITOR are set. */
|
2010-12-06 22:59:42 +01:00
|
|
|
if ((s = getenv("VISUAL")) != NULL || (s = getenv("EDITOR")) != NULL) {
|
|
|
|
if (strrchr(s, '/') != NULL)
|
|
|
|
s = strrchr(s, '/') + 1;
|
|
|
|
if (strstr(s, "vi") != NULL)
|
|
|
|
keys = MODEKEY_VI;
|
2011-01-04 00:52:38 +01:00
|
|
|
else
|
|
|
|
keys = MODEKEY_EMACS;
|
|
|
|
options_set_number(&global_s_options, "status-keys", keys);
|
|
|
|
options_set_number(&global_w_options, "mode-keys", keys);
|
2010-12-06 22:59:42 +01:00
|
|
|
}
|
|
|
|
|
2010-10-24 03:31:08 +02:00
|
|
|
/* Locate the configuration file. */
|
2008-06-02 20:08:17 +02:00
|
|
|
if (cfg_file == NULL) {
|
|
|
|
home = getenv("HOME");
|
|
|
|
if (home == NULL || *home == '\0') {
|
|
|
|
pw = getpwuid(getuid());
|
|
|
|
if (pw != NULL)
|
|
|
|
home = pw->pw_dir;
|
|
|
|
}
|
|
|
|
xasprintf(&cfg_file, "%s/%s", home, DEFAULT_CFG);
|
2010-02-08 19:10:07 +01:00
|
|
|
if (access(cfg_file, R_OK) != 0 && errno == ENOENT) {
|
2012-07-11 21:34:16 +02:00
|
|
|
free(cfg_file);
|
2008-06-02 20:08:17 +02:00
|
|
|
cfg_file = NULL;
|
|
|
|
}
|
|
|
|
}
|
2009-12-04 23:14:47 +01:00
|
|
|
|
2010-02-05 02:32:10 +01:00
|
|
|
/*
|
2010-10-24 03:31:08 +02:00
|
|
|
* Figure out the socket path. If specified on the command-line with -S
|
|
|
|
* or -L, use it, otherwise try $TMUX or assume -L default.
|
2010-02-05 02:32:10 +01:00
|
|
|
*/
|
2010-10-24 03:31:08 +02:00
|
|
|
parseenvironment();
|
2010-02-05 02:32:10 +01:00
|
|
|
if (path == NULL) {
|
2010-10-24 03:31:08 +02:00
|
|
|
/* If no -L, use the environment. */
|
2010-02-05 02:32:10 +01:00
|
|
|
if (label == NULL) {
|
2010-10-24 03:31:08 +02:00
|
|
|
if (environ_path != NULL)
|
|
|
|
path = xstrdup(environ_path);
|
2010-02-05 02:32:10 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/* -L or default set. */
|
2013-06-15 04:38:39 +02:00
|
|
|
if (!path) {
|
|
|
|
if ((path = makesocketpath(label)) == NULL) {
|
|
|
|
fprintf(stderr, "can't create socket\n");
|
|
|
|
exit(1);
|
|
|
|
}
|
2010-02-05 02:32:10 +01:00
|
|
|
}
|
2007-11-12 16:12:08 +01:00
|
|
|
}
|
2012-07-11 21:34:16 +02:00
|
|
|
free(label);
|
2012-11-26 12:35:28 +01:00
|
|
|
strlcpy(socket_path, path, sizeof socket_path);
|
2012-07-11 21:34:16 +02:00
|
|
|
free(path);
|
2007-11-12 16:12:08 +01:00
|
|
|
|
2010-10-24 21:54:41 +02:00
|
|
|
#ifdef HAVE_SETPROCTITLE
|
2010-10-24 03:31:08 +02:00
|
|
|
/* Set process title. */
|
|
|
|
setproctitle("%s (%s)", __progname, socket_path);
|
2010-10-24 21:54:41 +02:00
|
|
|
#endif
|
2010-02-08 19:25:04 +01:00
|
|
|
|
2010-10-24 03:31:08 +02:00
|
|
|
/* Pass control to the client. */
|
2010-12-30 21:41:08 +01:00
|
|
|
ev_base = osdep_event_init();
|
2010-10-24 03:31:08 +02:00
|
|
|
exit(client_main(argc, argv, flags));
|
2007-07-09 21:04:12 +02:00
|
|
|
}
|