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tmux/tmux.c

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Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
/* $OpenBSD$ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <paths.h>
#include <pwd.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#include "tmux.h"
#ifdef DEBUG
const char *malloc_options = "AFGJPX";
#endif
volatile sig_atomic_t sigwinch;
volatile sig_atomic_t sigterm;
volatile sig_atomic_t sigcont;
volatile sig_atomic_t sigchld;
volatile sig_atomic_t sigusr1;
volatile sig_atomic_t sigusr2;
char *cfg_file;
Rename the global options variables to be shorter and to make session options clear. No functional change, getting this out of the way to make later options changes easier.
2009-07-07 19:49:19 +00:00
struct options global_s_options; /* session options */
struct options global_w_options; /* window options */
Infrastructure and commands to manage the environment for processes started within tmux. There is a global environment, copied from the external environment when the server is started and each sesssion has an (initially empty) session environment which overrides it. New commands set-environment and show-environment manipulate or display the environments. A new session option, update-environment, is a space-separated list of variables which are updated from the external environment into the session environment every time a new session is created - the default is DISPLAY.
2009-08-08 21:52:43 +00:00
struct environ global_environ;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
int server_locked;
When incorrect passwords are entered, behave similarly to login(1) and backoff for a bit. Based on a diff from martynas@.
2009-09-02 16:38:35 +00:00
struct passwd *server_locked_pw;
Display the number of failed password attempts (if any) when the server is locked. From Tom Doherty.
2009-07-20 14:37:51 +00:00
u_int password_failures;
When incorrect passwords are entered, behave similarly to login(1) and backoff for a bit. Based on a diff from martynas@.
2009-09-02 16:38:35 +00:00
time_t password_backoff;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
char *server_password;
time_t server_activity;
int debug_level;
int be_quiet;
time_t start_time;
char *socket_path;
Accept -l to make it easier for people who use tmux as a login shell to use $SHELL. Originally from martynas@, tweaked by me.
2009-09-02 17:34:57 +00:00
int login_shell;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
__dead void usage(void);
char *makesockpath(const char *);
Rename struct hdrtype to msgtype which is a better name and can be used even when struct hdr disappears.
2009-07-29 14:17:26 +00:00
int prepare_unlock(enum msgtype *, void **, size_t *, int);
int prepare_cmd(enum msgtype *, void **, size_t *, int, char **);
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
int dispatch_imsg(struct client_ctx *, int *);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
__dead void
usage(void)
{
remove unused flag; while here, make usage's output fit on 80-column displays.
2009-06-02 16:53:20 +00:00
fprintf(stderr,
Accept -l to make it easier for people who use tmux as a login shell to use $SHELL. Originally from martynas@, tweaked by me.
2009-09-02 17:34:57 +00:00
"usage: %s [-28dlqUuv] [-f file] [-L socket-name]\n"
" [-S socket-path] [command [flags]]\n",
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
__progname);
exit(1);
}
void
logfile(const char *name)
{
char *path;
log_close();
if (debug_level > 0) {
When started as the shell, __progname contains a leading -, so hardcode "tmux" for socket path and log files, and strip it when working out the shell.
2009-08-12 09:14:25 +00:00
xasprintf(&path, "tmux-%s-%ld.log", name, (long) getpid());
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
log_open_file(debug_level, path);
xfree(path);
}
}
void
sighandler(int sig)
{
int saved_errno;
saved_errno = errno;
switch (sig) {
case SIGWINCH:
sigwinch = 1;
break;
case SIGTERM:
sigterm = 1;
break;
case SIGCHLD:
sigchld = 1;
break;
case SIGCONT:
sigcont = 1;
break;
case SIGUSR1:
sigusr1 = 1;
break;
case SIGUSR2:
sigusr2 = 1;
break;
}
errno = saved_errno;
}
void
siginit(void)
{
struct sigaction act;
memset(&act, 0, sizeof act);
sigemptyset(&act.sa_mask);
act.sa_flags = SA_RESTART;
act.sa_handler = SIG_IGN;
if (sigaction(SIGPIPE, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGINT, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGTSTP, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGQUIT, &act, NULL) != 0)
fatal("sigaction failed");
act.sa_handler = sighandler;
if (sigaction(SIGWINCH, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGTERM, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGCHLD, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGUSR1, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGUSR2, &act, NULL) != 0)
fatal("sigaction failed");
}
void
sigreset(void)
{
struct sigaction act;
memset(&act, 0, sizeof act);
sigemptyset(&act.sa_mask);
act.sa_handler = SIG_DFL;
if (sigaction(SIGPIPE, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGUSR1, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGUSR2, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGINT, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGTSTP, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGQUIT, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGWINCH, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGTERM, &act, NULL) != 0)
fatal("sigaction failed");
if (sigaction(SIGCHLD, &act, NULL) != 0)
fatal("sigaction failed");
}
When using tmux as a login shell, there is currently no way to specify a shell to be used as a login shell inside tmux, so add a default-shell session option. This sets the shell invoked as a login shell when the default-command option is empty. The default option value is whichever of $SHELL, getpwuid(getuid())'s pw_shell or /bin/sh is valid first. Based on a diff from martynas@, changed by me to be a session option rather than a window option.
2009-09-01 13:09:49 +00:00
const char *
getshell(void)
{
struct passwd *pw;
const char *shell;
shell = getenv("SHELL");
if (checkshell(shell))
return (shell);
pw = getpwuid(getuid());
if (pw != NULL && checkshell(pw->pw_shell))
return (pw->pw_shell);
return (_PATH_BSHELL);
}
int
checkshell(const char *shell)
{
if (shell == NULL || *shell == '\0' || areshell(shell))
return (0);
if (access(shell, X_OK) != 0)
return (0);
return (1);
}
int
areshell(const char *shell)
{
const char *progname, *ptr;
if ((ptr = strrchr(shell, '/')) != NULL)
ptr++;
else
ptr = shell;
progname = __progname;
if (*progname == '-')
progname++;
if (strcmp(ptr, progname) == 0)
return (1);
return (0);
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
char *
makesockpath(const char *label)
{
char base[MAXPATHLEN], *path;
struct stat sb;
u_int uid;
uid = getuid();
When started as the shell, __progname contains a leading -, so hardcode "tmux" for socket path and log files, and strip it when working out the shell.
2009-08-12 09:14:25 +00:00
xsnprintf(base, MAXPATHLEN, "%s/tmux-%d", _PATH_TMP, uid);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (mkdir(base, S_IRWXU) != 0 && errno != EEXIST)
return (NULL);
if (lstat(base, &sb) != 0)
return (NULL);
if (!S_ISDIR(sb.st_mode)) {
errno = ENOTDIR;
return (NULL);
}
if (sb.st_uid != uid || (sb.st_mode & (S_IRWXG|S_IRWXO)) != 0) {
errno = EACCES;
return (NULL);
}
xasprintf(&path, "%s/%s", base, label);
return (path);
}
Make all messages sent between the client and server fixed size. This is the first of two changes to make the protocol more resilient and less sensitive to other changes in the code, particularly with commands. The client now packs argv into a buffer and sends it to the server for parsing, rather than doing it itself and sending the parsed command data. As a side-effect this also removes a lot of now-unused command marshalling code. Mixing a server without this change and a client with or vice versa will cause tmux to hang or crash, please ensure that tmux is entirely killed before upgrading.
2009-07-26 12:58:44 +00:00
int
Rename struct hdrtype to msgtype which is a better name and can be used even when struct hdr disappears.
2009-07-29 14:17:26 +00:00
prepare_unlock(enum msgtype *msg, void **buf, size_t *len, int argc)
Make all messages sent between the client and server fixed size. This is the first of two changes to make the protocol more resilient and less sensitive to other changes in the code, particularly with commands. The client now packs argv into a buffer and sends it to the server for parsing, rather than doing it itself and sending the parsed command data. As a side-effect this also removes a lot of now-unused command marshalling code. Mixing a server without this change and a client with or vice versa will cause tmux to hang or crash, please ensure that tmux is entirely killed before upgrading.
2009-07-26 12:58:44 +00:00
{
static struct msg_unlock_data unlockdata;
char *pass;
if (argc != 0) {
log_warnx("can't specify a command when unlocking");
return (-1);
}
Use "Password:" with no space for password prompts and don't display a *s for the password, like pretty much everything else. From martynas@ with minor tweaks by me.
2009-09-01 09:11:05 +00:00
if ((pass = getpass("Password:")) == NULL)
Make all messages sent between the client and server fixed size. This is the first of two changes to make the protocol more resilient and less sensitive to other changes in the code, particularly with commands. The client now packs argv into a buffer and sends it to the server for parsing, rather than doing it itself and sending the parsed command data. As a side-effect this also removes a lot of now-unused command marshalling code. Mixing a server without this change and a client with or vice versa will cause tmux to hang or crash, please ensure that tmux is entirely killed before upgrading.
2009-07-26 12:58:44 +00:00
return (-1);
if (strlen(pass) >= sizeof unlockdata.pass) {
log_warnx("password too long");
return (-1);
}
strlcpy(unlockdata.pass, pass, sizeof unlockdata.pass);
memset(pass, 0, strlen(pass));
*buf = &unlockdata;
*len = sizeof unlockdata;
*msg = MSG_UNLOCK;
return (0);
}
int
Rename struct hdrtype to msgtype which is a better name and can be used even when struct hdr disappears.
2009-07-29 14:17:26 +00:00
prepare_cmd(enum msgtype *msg, void **buf, size_t *len, int argc, char **argv)
Make all messages sent between the client and server fixed size. This is the first of two changes to make the protocol more resilient and less sensitive to other changes in the code, particularly with commands. The client now packs argv into a buffer and sends it to the server for parsing, rather than doing it itself and sending the parsed command data. As a side-effect this also removes a lot of now-unused command marshalling code. Mixing a server without this change and a client with or vice versa will cause tmux to hang or crash, please ensure that tmux is entirely killed before upgrading.
2009-07-26 12:58:44 +00:00
{
static struct msg_command_data cmddata;
client_fill_session(&cmddata);
cmddata.argc = argc;
if (cmd_pack_argv(argc, argv, cmddata.argv, sizeof cmddata.argv) != 0) {
log_warnx("command too long");
return (-1);
}
*buf = &cmddata;
*len = sizeof cmddata;
*msg = MSG_COMMAND;
return (0);
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
int
main(int argc, char **argv)
{
struct client_ctx cctx;
struct cmd_list *cmdlist;
struct cmd *cmd;
struct pollfd pfd;
Rename struct hdrtype to msgtype which is a better name and can be used even when struct hdr disappears.
2009-07-29 14:17:26 +00:00
enum msgtype msg;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
struct passwd *pw;
Tidy main and make it a bit easier to read.
2009-09-04 15:15:24 +00:00
struct options *so, *wo;
Infrastructure and commands to manage the environment for processes started within tmux. There is a global environment, copied from the external environment when the server is started and each sesssion has an (initially empty) session environment which overrides it. New commands set-environment and show-environment manipulate or display the environments. A new session option, update-environment, is a space-separated list of variables which are updated from the external environment into the session environment every time a new session is created - the default is DISPLAY.
2009-08-08 21:52:43 +00:00
char *s, *path, *label, *home, *cause, **var;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
char cwd[MAXPATHLEN];
Make all messages sent between the client and server fixed size. This is the first of two changes to make the protocol more resilient and less sensitive to other changes in the code, particularly with commands. The client now packs argv into a buffer and sends it to the server for parsing, rather than doing it itself and sending the parsed command data. As a side-effect this also removes a lot of now-unused command marshalling code. Mixing a server without this change and a client with or vice versa will cause tmux to hang or crash, please ensure that tmux is entirely killed before upgrading.
2009-07-26 12:58:44 +00:00
void *buf;
size_t len;
Pass a set of flags into client_init rather than just a start_server variable. Only one flag now but more to come later.
2009-07-22 21:58:56 +00:00
int retcode, opt, flags, unlock, cmdflags = 0;
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
int nfds;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
unlock = flags = 0;
label = path = NULL;
Accept -l to make it easier for people who use tmux as a login shell to use $SHELL. Originally from martynas@, tweaked by me.
2009-09-02 17:34:57 +00:00
login_shell = (**argv == '-');
while ((opt = getopt(argc, argv, "28df:lL:qS:uUv")) != -1) {
switch (opt) {
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
case '2':
flags |= IDENTIFY_256COLOURS;
flags &= ~IDENTIFY_88COLOURS;
break;
case '8':
flags |= IDENTIFY_88COLOURS;
flags &= ~IDENTIFY_256COLOURS;
break;
Sort cases same as getopt argument, from martynas.
2009-09-01 09:00:54 +00:00
case 'd':
flags |= IDENTIFY_HASDEFAULTS;
break;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
case 'f':
Tidy main and make it a bit easier to read.
2009-09-04 15:15:24 +00:00
if (cfg_file != NULL)
Don't leak memory if multiple -f flags are given. OK nicm@
2009-06-02 10:49:40 +00:00
xfree(cfg_file);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
cfg_file = xstrdup(optarg);
break;
Accept -l to make it easier for people who use tmux as a login shell to use $SHELL. Originally from martynas@, tweaked by me.
2009-09-02 17:34:57 +00:00
case 'l':
login_shell = 1;
break;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
case 'L':
if (label != NULL)
xfree(label);
label = xstrdup(optarg);
break;
Sort cases same as getopt argument, from martynas.
2009-09-01 09:00:54 +00:00
case 'q':
be_quiet = 1;
break;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
case 'S':
if (path != NULL)
xfree(path);
path = xstrdup(optarg);
break;
case 'u':
flags |= IDENTIFY_UTF8;
break;
case 'U':
unlock = 1;
break;
case 'v':
debug_level++;
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
log_open_tty(debug_level);
siginit();
If -u is specified or UTF-8 is otherwise detected when the server is started, enable the utf8 and status-utf8 optons. While here, note in the man page that the server is started with the first session and exits when none remain.
2009-07-17 13:38:03 +00:00
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.
*/
if ((s = getenv("LC_ALL")) == NULL) {
if ((s = getenv("LC_CTYPE")) == NULL)
s = getenv("LANG");
}
Check for "UTF8" as well as "UTF-8" in LANG etc as it seems this may also appear.
2009-08-04 10:31:28 +00:00
if (s != NULL && (strcasestr(s, "UTF-8") != NULL ||
strcasestr(s, "UTF8") != NULL))
If -u is specified or UTF-8 is otherwise detected when the server is started, enable the utf8 and status-utf8 optons. While here, note in the man page that the server is started with the first session and exits when none remain.
2009-07-17 13:38:03 +00:00
flags |= IDENTIFY_UTF8;
}
Tidy main and make it a bit easier to read.
2009-09-04 15:15:24 +00:00
environ_init(&global_environ);
for (var = environ; *var != NULL; var++)
environ_put(&global_environ, *var);
Rename the global options variables to be shorter and to make session options clear. No functional change, getting this out of the way to make later options changes easier.
2009-07-07 19:49:19 +00:00
options_init(&global_s_options, NULL);
Tidy main and make it a bit easier to read.
2009-09-04 15:15:24 +00:00
so = &global_s_options;
options_set_number(so, "base-index", 0);
options_set_number(so, "bell-action", BELL_ANY);
options_set_number(so, "buffer-limit", 9);
options_set_string(so, "default-command", "%s", "");
options_set_string(so, "default-shell", "%s", getshell());
options_set_string(so, "default-terminal", "screen");
options_set_number(so, "display-panes-colour", 4);
options_set_number(so, "display-panes-time", 1000);
options_set_number(so, "display-time", 750);
options_set_number(so, "history-limit", 2000);
options_set_number(so, "lock-after-time", 0);
options_set_number(so, "message-attr", 0);
options_set_number(so, "message-bg", 3);
options_set_number(so, "message-fg", 0);
options_set_number(so, "prefix", '\002');
options_set_number(so, "repeat-time", 500);
options_set_number(so, "set-remain-on-exit", 0);
options_set_number(so, "set-titles", 0);
New option, set-titles-string, to allow the window title to be specified (as for status-left/right) if set-titles is on. Also only update the title when the status line is being redrawn.
2009-09-18 15:19:27 +00:00
options_set_string(so, "set-titles-string", "#S:#I:#W - \"#T\"");
Tidy main and make it a bit easier to read.
2009-09-04 15:15:24 +00:00
options_set_number(so, "status", 1);
options_set_number(so, "status-attr", 0);
options_set_number(so, "status-bg", 2);
options_set_number(so, "status-fg", 0);
options_set_number(so, "status-interval", 15);
options_set_number(so, "status-justify", 0);
options_set_number(so, "status-keys", MODEKEY_EMACS);
options_set_string(so, "status-left", "[#S]");
options_set_number(so, "status-left-attr", 0);
options_set_number(so, "status-left-bg", 8);
options_set_number(so, "status-left-fg", 8);
options_set_number(so, "status-left-length", 10);
options_set_string(so, "status-right", "\"#22T\" %%H:%%M %%d-%%b-%%y");
options_set_number(so, "status-right-attr", 0);
options_set_number(so, "status-right-bg", 8);
options_set_number(so, "status-right-fg", 8);
options_set_number(so, "status-right-length", 40);
options_set_string(so, "terminal-overrides",
"*88col*:colors=88,*256col*:colors=256");
options_set_string(so, "update-environment", "DISPLAY "
Add some other obvious variables to update-environment (WINDOWID SSH_ASKPASS SSH_AUTH_SOCK SSH_AGENT_PID SSH_CONNECTION) so they are updated in the session environment on new/attach.
2009-08-23 18:21:02 +00:00
"WINDOWID SSH_ASKPASS SSH_AUTH_SOCK SSH_AGENT_PID SSH_CONNECTION");
Tidy main and make it a bit easier to read.
2009-09-04 15:15:24 +00:00
options_set_number(so, "visual-activity", 0);
options_set_number(so, "visual-bell", 0);
options_set_number(so, "visual-content", 0);
Rename the global options variables to be shorter and to make session options clear. No functional change, getting this out of the way to make later options changes easier.
2009-07-07 19:49:19 +00:00
options_init(&global_w_options, NULL);
Tidy main and make it a bit easier to read.
2009-09-04 15:15:24 +00:00
wo = &global_w_options;
options_set_number(wo, "aggressive-resize", 0);
options_set_number(wo, "automatic-rename", 1);
options_set_number(wo, "clock-mode-colour", 4);
options_set_number(wo, "clock-mode-style", 1);
options_set_number(wo, "force-height", 0);
options_set_number(wo, "force-width", 0);
options_set_number(wo, "main-pane-height", 24);
options_set_number(wo, "main-pane-width", 81);
options_set_number(wo, "mode-attr", 0);
options_set_number(wo, "mode-bg", 3);
options_set_number(wo, "mode-fg", 0);
options_set_number(wo, "mode-keys", MODEKEY_EMACS);
options_set_number(wo, "mode-mouse", 0);
options_set_number(wo, "monitor-activity", 0);
options_set_string(wo, "monitor-content", "%s", "");
options_set_number(wo, "window-status-attr", 0);
options_set_number(wo, "window-status-bg", 8);
options_set_number(wo, "window-status-current-attr", 0);
options_set_number(wo, "window-status-current-bg", 8);
options_set_number(wo, "window-status-current-fg", 8);
options_set_number(wo, "window-status-fg", 8);
options_set_number(wo, "xterm-keys", 0);
options_set_number(wo, "remain-on-exit", 0);
if (flags & IDENTIFY_UTF8) {
options_set_number(so, "status-utf8", 1);
options_set_number(wo, "utf8", 1);
} else {
options_set_number(so, "status-utf8", 0);
options_set_number(wo, "utf8", 0);
}
if (getcwd(cwd, sizeof cwd) == NULL) {
pw = getpwuid(getuid());
if (pw->pw_dir != NULL && *pw->pw_dir != '\0')
strlcpy(cwd, pw->pw_dir, sizeof cwd);
else
strlcpy(cwd, "/", sizeof cwd);
}
options_set_string(so, "default-path", "%s", cwd);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
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);
if (access(cfg_file, R_OK) != 0) {
xfree(cfg_file);
cfg_file = NULL;
}
} else {
if (access(cfg_file, R_OK) != 0) {
log_warn("%s", cfg_file);
exit(1);
}
}
Make all messages sent between the client and server fixed size. This is the first of two changes to make the protocol more resilient and less sensitive to other changes in the code, particularly with commands. The client now packs argv into a buffer and sends it to the server for parsing, rather than doing it itself and sending the parsed command data. As a side-effect this also removes a lot of now-unused command marshalling code. Mixing a server without this change and a client with or vice versa will cause tmux to hang or crash, please ensure that tmux is entirely killed before upgrading.
2009-07-26 12:58:44 +00:00
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (label == NULL)
label = xstrdup("default");
if (path == NULL && (path = makesockpath(label)) == NULL) {
log_warn("can't create socket");
exit(1);
}
xfree(label);
if (unlock) {
Make all messages sent between the client and server fixed size. This is the first of two changes to make the protocol more resilient and less sensitive to other changes in the code, particularly with commands. The client now packs argv into a buffer and sends it to the server for parsing, rather than doing it itself and sending the parsed command data. As a side-effect this also removes a lot of now-unused command marshalling code. Mixing a server without this change and a client with or vice versa will cause tmux to hang or crash, please ensure that tmux is entirely killed before upgrading.
2009-07-26 12:58:44 +00:00
if (prepare_unlock(&msg, &buf, &len, argc) != 0)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
exit(1);
Make all messages sent between the client and server fixed size. This is the first of two changes to make the protocol more resilient and less sensitive to other changes in the code, particularly with commands. The client now packs argv into a buffer and sends it to the server for parsing, rather than doing it itself and sending the parsed command data. As a side-effect this also removes a lot of now-unused command marshalling code. Mixing a server without this change and a client with or vice versa will cause tmux to hang or crash, please ensure that tmux is entirely killed before upgrading.
2009-07-26 12:58:44 +00:00
} else {
if (prepare_cmd(&msg, &buf, &len, argc, argv) != 0)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
exit(1);
Make all messages sent between the client and server fixed size. This is the first of two changes to make the protocol more resilient and less sensitive to other changes in the code, particularly with commands. The client now packs argv into a buffer and sends it to the server for parsing, rather than doing it itself and sending the parsed command data. As a side-effect this also removes a lot of now-unused command marshalling code. Mixing a server without this change and a client with or vice versa will cause tmux to hang or crash, please ensure that tmux is entirely killed before upgrading.
2009-07-26 12:58:44 +00:00
}
if (unlock)
Pass a set of flags into client_init rather than just a start_server variable. Only one flag now but more to come later.
2009-07-22 21:58:56 +00:00
cmdflags &= ~CMD_STARTSERVER;
Tidy main and make it a bit easier to read.
2009-09-04 15:15:24 +00:00
else if (argc == 0) /* new-session is the default */
No arguments are the same as new-session and this requires the environment to be sent, so set that flag too when argc == 0.
2009-08-10 20:51:29 +00:00
cmdflags |= CMD_STARTSERVER|CMD_SENDENVIRON;
Make all messages sent between the client and server fixed size. This is the first of two changes to make the protocol more resilient and less sensitive to other changes in the code, particularly with commands. The client now packs argv into a buffer and sends it to the server for parsing, rather than doing it itself and sending the parsed command data. As a side-effect this also removes a lot of now-unused command marshalling code. Mixing a server without this change and a client with or vice versa will cause tmux to hang or crash, please ensure that tmux is entirely killed before upgrading.
2009-07-26 12:58:44 +00:00
else {
/*
* It sucks parsing the command string twice (in client and
* later in server) but it is necessary to get the start server
* flag.
*/
if ((cmdlist = cmd_list_parse(argc, argv, &cause)) == NULL) {
log_warnx("%s", cause);
exit(1);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
Make all messages sent between the client and server fixed size. This is the first of two changes to make the protocol more resilient and less sensitive to other changes in the code, particularly with commands. The client now packs argv into a buffer and sends it to the server for parsing, rather than doing it itself and sending the parsed command data. As a side-effect this also removes a lot of now-unused command marshalling code. Mixing a server without this change and a client with or vice versa will cause tmux to hang or crash, please ensure that tmux is entirely killed before upgrading.
2009-07-26 12:58:44 +00:00
cmdflags &= ~CMD_STARTSERVER;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
TAILQ_FOREACH(cmd, cmdlist, qentry) {
Infrastructure and commands to manage the environment for processes started within tmux. There is a global environment, copied from the external environment when the server is started and each sesssion has an (initially empty) session environment which overrides it. New commands set-environment and show-environment manipulate or display the environments. A new session option, update-environment, is a space-separated list of variables which are updated from the external environment into the session environment every time a new session is created - the default is DISPLAY.
2009-08-08 21:52:43 +00:00
if (cmd->entry->flags & CMD_STARTSERVER)
Pass a set of flags into client_init rather than just a start_server variable. Only one flag now but more to come later.
2009-07-22 21:58:56 +00:00
cmdflags |= CMD_STARTSERVER;
Infrastructure and commands to manage the environment for processes started within tmux. There is a global environment, copied from the external environment when the server is started and each sesssion has an (initially empty) session environment which overrides it. New commands set-environment and show-environment manipulate or display the environments. A new session option, update-environment, is a space-separated list of variables which are updated from the external environment into the session environment every time a new session is created - the default is DISPLAY.
2009-08-08 21:52:43 +00:00
if (cmd->entry->flags & CMD_SENDENVIRON)
cmdflags |= CMD_SENDENVIRON;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
Make all messages sent between the client and server fixed size. This is the first of two changes to make the protocol more resilient and less sensitive to other changes in the code, particularly with commands. The client now packs argv into a buffer and sends it to the server for parsing, rather than doing it itself and sending the parsed command data. As a side-effect this also removes a lot of now-unused command marshalling code. Mixing a server without this change and a client with or vice versa will cause tmux to hang or crash, please ensure that tmux is entirely killed before upgrading.
2009-07-26 12:58:44 +00:00
cmd_list_free(cmdlist);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
memset(&cctx, 0, sizeof cctx);
Pass a set of flags into client_init rather than just a start_server variable. Only one flag now but more to come later.
2009-07-22 21:58:56 +00:00
if (client_init(path, &cctx, cmdflags, flags) != 0)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
exit(1);
xfree(path);
Make all messages sent between the client and server fixed size. This is the first of two changes to make the protocol more resilient and less sensitive to other changes in the code, particularly with commands. The client now packs argv into a buffer and sends it to the server for parsing, rather than doing it itself and sending the parsed command data. As a side-effect this also removes a lot of now-unused command marshalling code. Mixing a server without this change and a client with or vice versa will cause tmux to hang or crash, please ensure that tmux is entirely killed before upgrading.
2009-07-26 12:58:44 +00:00
client_write_server(&cctx, msg, buf, len);
memset(buf, 0, len);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
retcode = 0;
for (;;) {
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
pfd.fd = cctx.ibuf.fd;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
pfd.events = POLLIN;
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
if (cctx.ibuf.w.queued != 0)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
pfd.events |= POLLOUT;
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
if ((nfds = poll(&pfd, 1, INFTIM)) == -1) {
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
if (errno == EAGAIN || errno == EINTR)
continue;
fatal("poll failed");
}
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
if (nfds == 0)
continue;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
if (pfd.revents & (POLLERR|POLLHUP|POLLNVAL))
fatalx("socket error");
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
if (pfd.revents & POLLIN) {
if (dispatch_imsg(&cctx, &retcode) != 0)
break;
}
if (pfd.revents & POLLOUT) {
if (msgbuf_write(&cctx.ibuf.w) < 0)
fatalx("msgbuf_write failed");
}
}
options_free(&global_s_options);
options_free(&global_w_options);
return (retcode);
}
int
dispatch_imsg(struct client_ctx *cctx, int *retcode)
{
struct imsg imsg;
ssize_t n, datalen;
struct msg_print_data printdata;
if ((n = imsg_read(&cctx->ibuf)) == -1 || n == 0)
fatalx("imsg_read failed");
for (;;) {
if ((n = imsg_get(&cctx->ibuf, &imsg)) == -1)
fatalx("imsg_get failed");
if (n == 0)
return (0);
datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
switch (imsg.hdr.type) {
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
case MSG_EXIT:
case MSG_SHUTDOWN:
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
if (datalen != 0)
fatalx("bad MSG_EXIT size");
return (-1);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
case MSG_ERROR:
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
*retcode = 1;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
/* FALLTHROUGH */
case MSG_PRINT:
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
if (datalen != sizeof printdata)
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
fatalx("bad MSG_PRINT size");
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
memcpy(&printdata, imsg.data, sizeof printdata);
Make all messages sent between the client and server fixed size. This is the first of two changes to make the protocol more resilient and less sensitive to other changes in the code, particularly with commands. The client now packs argv into a buffer and sends it to the server for parsing, rather than doing it itself and sending the parsed command data. As a side-effect this also removes a lot of now-unused command marshalling code. Mixing a server without this change and a client with or vice versa will cause tmux to hang or crash, please ensure that tmux is entirely killed before upgrading.
2009-07-26 12:58:44 +00:00
printdata.msg[(sizeof printdata.msg) - 1] = '\0';
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
Make all messages sent between the client and server fixed size. This is the first of two changes to make the protocol more resilient and less sensitive to other changes in the code, particularly with commands. The client now packs argv into a buffer and sends it to the server for parsing, rather than doing it itself and sending the parsed command data. As a side-effect this also removes a lot of now-unused command marshalling code. Mixing a server without this change and a client with or vice versa will cause tmux to hang or crash, please ensure that tmux is entirely killed before upgrading.
2009-07-26 12:58:44 +00:00
log_info("%s", printdata.msg);
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
break;
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
case MSG_READY:
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
if (datalen != 0)
fatalx("bad MSG_READY size");
*retcode = client_main(cctx);
return (-1);
case MSG_VERSION:
if (datalen != 0)
fatalx("bad MSG_VERSION size");
log_warnx("protocol version mismatch (client %u, "
"server %u)", PROTOCOL_VERSION, imsg.hdr.peerid);
*retcode = 1;
return (-1);
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
default:
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
fatalx("unexpected message");
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
Switch tmux to use imsg. This is the last major change to make the client-server protocol more resilient and make the protocol versioning work properly. In future, the only things requiring a protocol version bump will be changes in the message structs, and (when both client and server have this change) mixing different versions should nicely report an error message. As a side effect this also makes the code tidier, fixes a problem with the way errors reported during server startup were handled, and supports fd passing (which will be used in future). Looked over by eric@, thanks. Please note that mixing a client with this change with an older server or vice versa may cause tmux to crash or hang - tmux should be completely exited before upgrading.
2009-08-11 17:18:35 +00:00
imsg_free(&imsg);
}
Import tmux, a terminal multiplexor allowing (among other things) a single terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
2009-06-01 22:58:49 +00:00
}
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