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Support -c like sh(1) to execute a command, useful when tmux is a login

Browse Source 
shell. Suggested by halex@.

This includes another protocol version increase (the last for now) so again
restart the tmux server before upgrading.
This commit is contained in:
Nicholas Marriott
2009-09-23 12:03:30 +00:00
parent 18ea820cb0
commit 9200a0be7a
6 changed files with 112 additions and 18 deletions
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25
server-msg.c
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@ -20,6 +20,7 @@
#include <sys/ioctl.h>
#include <errno.h>
#include <paths.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
@ -29,6 +30,7 @@
void server_msg_command(struct client *, struct msg_command_data *);
void server_msg_identify(struct client *, struct msg_identify_data *, int);
void server_msg_shell(struct client *);
void printflike2 server_msg_command_error(struct cmd_ctx *, const char *, ...);
void printflike2 server_msg_command_print(struct cmd_ctx *, const char *, ...);
@ -113,6 +115,12 @@ server_msg_dispatch(struct client *c)
if (strchr(environdata.var, '=') != NULL)
environ_put(&c->environ, environdata.var);
break;
case MSG_SHELL:
if (datalen != 0)
fatalx("bad MSG_SHELL size");
server_msg_shell(c);
break;
default:
fatalx("unexpected message");
}
@ -248,3 +256,20 @@ server_msg_identify(struct client *c, struct msg_identify_data *data, int fd)
c->flags |= CLIENT_TERMINAL;
}
void
server_msg_shell(struct client *c)
{
struct msg_shell_data data;
const char *shell;
shell = options_get_string(&global_s_options, "default-shell");
if (*shell == '\0' || areshell(shell))
shell = _PATH_BSHELL;
if (strlcpy(data.shell, shell, sizeof data.shell) >= sizeof data.shell)
strlcpy(data.shell, _PATH_BSHELL, sizeof data.shell);
server_write_client(c, MSG_SHELL, &data, sizeof data);
c->flags |= CLIENT_BAD; /* it will die after exec */
}