mirror of
https://github.com/tmate-io/tmate.git
synced 2024-11-30 12:04:38 +01:00
140 lines
3.4 KiB
C
140 lines
3.4 KiB
C
/* $Id: cmd-run-shell.c,v 1.3 2009-10-12 00:26:06 tcunha Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
|
|
* Copyright (c) 2009 Nicholas Marriott <nicm@openbsd.org>
|
|
*
|
|
* 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/wait.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include "tmux.h"
|
|
|
|
/*
|
|
* Runs a command without a window.
|
|
*/
|
|
|
|
int cmd_run_shell_exec(struct cmd *, struct cmd_ctx *);
|
|
|
|
void cmd_run_shell_callback(struct job *);
|
|
void cmd_run_shell_free(void *);
|
|
|
|
const struct cmd_entry cmd_run_shell_entry = {
|
|
"run-shell", "run",
|
|
"command",
|
|
CMD_ARG1, 0,
|
|
cmd_target_init,
|
|
cmd_target_parse,
|
|
cmd_run_shell_exec,
|
|
cmd_target_free,
|
|
cmd_target_print
|
|
};
|
|
|
|
struct cmd_run_shell_data {
|
|
char *cmd;
|
|
struct cmd_ctx ctx;
|
|
};
|
|
|
|
int
|
|
cmd_run_shell_exec(struct cmd *self, struct cmd_ctx *ctx)
|
|
{
|
|
struct cmd_target_data *data = self->data;
|
|
struct cmd_run_shell_data *cdata;
|
|
struct job *job;
|
|
|
|
cdata = xmalloc(sizeof *cdata);
|
|
cdata->cmd = xstrdup(data->arg);
|
|
memcpy(&cdata->ctx, ctx, sizeof cdata->ctx);
|
|
|
|
if (ctx->cmdclient != NULL)
|
|
ctx->cmdclient->references++;
|
|
if (ctx->curclient != NULL)
|
|
ctx->curclient->references++;
|
|
|
|
job = job_add(NULL, NULL,
|
|
data->arg, cmd_run_shell_callback, cmd_run_shell_free, cdata);
|
|
job_run(job);
|
|
|
|
return (1); /* don't let client exit */
|
|
}
|
|
|
|
void
|
|
cmd_run_shell_callback(struct job *job)
|
|
{
|
|
struct cmd_run_shell_data *cdata = job->data;
|
|
struct cmd_ctx *ctx = &cdata->ctx;
|
|
char *cmd, *msg, *line, *buf;
|
|
size_t off, len, llen;
|
|
int retcode;
|
|
|
|
buf = BUFFER_OUT(job->out);
|
|
len = BUFFER_USED(job->out);
|
|
|
|
cmd = cdata->cmd;
|
|
|
|
if (len != 0) {
|
|
line = buf;
|
|
for (off = 0; off < len; off++) {
|
|
if (buf[off] == '\n') {
|
|
llen = buf + off - line;
|
|
if (llen > INT_MAX)
|
|
break;
|
|
ctx->print(ctx, "%.*s", (int) llen, line);
|
|
line = buf + off + 1;
|
|
}
|
|
}
|
|
llen = buf + len - line;
|
|
if (llen > 0 && llen < INT_MAX)
|
|
ctx->print(ctx, "%.*s", (int) llen, line);
|
|
}
|
|
|
|
msg = NULL;
|
|
if (WIFEXITED(job->status)) {
|
|
if ((retcode = WEXITSTATUS(job->status)) != 0)
|
|
xasprintf(&msg, "'%s' returned %d", cmd, retcode);
|
|
} else if (WIFSIGNALED(job->status)) {
|
|
retcode = WTERMSIG(job->status);
|
|
xasprintf(&msg, "'%s' terminated by signal %d", cmd, retcode);
|
|
}
|
|
if (msg != NULL) {
|
|
if (len != 0)
|
|
ctx->print(ctx, "%s", msg);
|
|
else
|
|
ctx->info(ctx, "%s", msg);
|
|
xfree(msg);
|
|
}
|
|
|
|
job_free(job); /* calls cmd_run_shell_free */
|
|
}
|
|
|
|
void
|
|
cmd_run_shell_free(void *data)
|
|
{
|
|
struct cmd_run_shell_data *cdata = data;
|
|
struct cmd_ctx *ctx = &cdata->ctx;
|
|
|
|
if (ctx->cmdclient != NULL) {
|
|
ctx->cmdclient->references--;
|
|
server_write_client(ctx->cmdclient, MSG_EXIT, NULL, 0);
|
|
}
|
|
if (ctx->curclient != NULL)
|
|
ctx->curclient->references--;
|
|
|
|
xfree(cdata->cmd);
|
|
xfree(cdata);
|
|
}
|