mirror of
https://github.com/tmate-io/tmate.git
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97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
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/* $OpenBSD$ */
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/*
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* Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
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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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#include <sys/wait.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Runs a command without a window.
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*/
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int cmd_run_shell_exec(struct cmd *, struct cmd_ctx *);
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const struct cmd_entry cmd_run_shell_entry = {
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"run-shell", "run",
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"command",
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CMD_ARG1, 0,
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cmd_target_init,
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cmd_target_parse,
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cmd_run_shell_exec,
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cmd_target_free,
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cmd_target_print
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};
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int
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cmd_run_shell_exec(struct cmd *self, struct cmd_ctx *ctx)
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{
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struct cmd_target_data *data = self->data;
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FILE *fp;
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char *buf, *lbuf, *msg;
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size_t len;
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int has_output, ret, status;
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if ((fp = popen(data->arg, "r")) == NULL) {
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ctx->error(ctx, "popen error");
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return (-1);
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}
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has_output = 0;
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lbuf = NULL;
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while ((buf = fgetln(fp, &len)) != NULL) {
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if (buf[len - 1] == '\n')
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buf[len - 1] = '\0';
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else {
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lbuf = xmalloc(len + 1);
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memcpy(lbuf, buf, len);
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lbuf[len] = '\0';
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buf = lbuf;
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}
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ctx->print(ctx, "%s", buf);
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has_output = 1;
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}
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if (lbuf != NULL)
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xfree(lbuf);
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msg = NULL;
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status = pclose(fp);
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if (WIFEXITED(status)) {
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if ((ret = WEXITSTATUS(status)) == 0)
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return (0);
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xasprintf(&msg, "'%s' returned %d", data->arg, ret);
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} else if (WIFSIGNALED(status)) {
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xasprintf(
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&msg, "'%s' terminated by signal %d", data->arg,
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WTERMSIG(status));
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}
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if (msg != NULL) {
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if (has_output)
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ctx->print(ctx, "%s", msg);
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else
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ctx->info(ctx, "%s", msg);
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xfree(msg);
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}
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return (0);
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}
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