mirror of
https://github.com/tmux/tmux.git
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184 lines
4.3 KiB
C
184 lines
4.3 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
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* Copyright (c) 2009 Nicholas Marriott <nicm@openbsd.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 <stdlib.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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enum cmd_retval cmd_run_shell_exec(struct cmd *, struct cmd_q *);
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void cmd_run_shell_callback(struct job *);
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void cmd_run_shell_free(void *);
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void cmd_run_shell_print(struct job *, const char *);
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const struct cmd_entry cmd_run_shell_entry = {
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"run-shell", "run",
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"bt:", 1, 1,
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"[-b] " CMD_TARGET_PANE_USAGE " shell-command",
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0,
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cmd_run_shell_exec
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};
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struct cmd_run_shell_data {
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char *cmd;
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struct cmd_q *cmdq;
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int bflag;
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int wp_id;
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};
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void
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cmd_run_shell_print(struct job *job, const char *msg)
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{
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struct cmd_run_shell_data *cdata = job->data;
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struct window_pane *wp = NULL;
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if (cdata->wp_id != -1)
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wp = window_pane_find_by_id(cdata->wp_id);
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if (wp == NULL) {
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cmdq_print(cdata->cmdq, "%s", msg);
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return;
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}
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if (window_pane_set_mode(wp, &window_copy_mode) == 0)
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window_copy_init_for_output(wp);
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if (wp->mode == &window_copy_mode)
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window_copy_add(wp, "%s", msg);
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}
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enum cmd_retval
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cmd_run_shell_exec(struct cmd *self, struct cmd_q *cmdq)
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{
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struct args *args = self->args;
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struct cmd_run_shell_data *cdata;
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char *shellcmd;
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struct client *c;
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struct session *s = NULL;
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struct winlink *wl = NULL;
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struct window_pane *wp = NULL;
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struct format_tree *ft;
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int cwd;
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if (args_has(args, 't')) {
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wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp);
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cwd = wp->cwd;
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} else {
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c = cmd_find_client(cmdq, NULL, 1);
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if (c != NULL && c->session != NULL) {
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s = c->session;
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wl = s->curw;
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wp = wl->window->active;
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}
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if (cmdq->client != NULL && cmdq->client->session == NULL)
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cwd = cmdq->client->cwd;
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else if (s != NULL)
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cwd = s->cwd;
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else
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cwd = -1;
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}
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ft = format_create();
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format_defaults(ft, NULL, s, wl, wp);
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shellcmd = format_expand(ft, args->argv[0]);
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format_free(ft);
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cdata = xmalloc(sizeof *cdata);
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cdata->cmd = shellcmd;
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cdata->bflag = args_has(args, 'b');
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cdata->wp_id = wp != NULL ? (int) wp->id : -1;
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cdata->cmdq = cmdq;
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cmdq->references++;
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job_run(shellcmd, s, cwd, cmd_run_shell_callback, cmd_run_shell_free,
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cdata);
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if (cdata->bflag)
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return (CMD_RETURN_NORMAL);
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return (CMD_RETURN_WAIT);
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}
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void
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cmd_run_shell_callback(struct job *job)
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{
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struct cmd_run_shell_data *cdata = job->data;
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struct cmd_q *cmdq = cdata->cmdq;
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char *cmd, *msg, *line;
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size_t size;
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int retcode;
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u_int lines;
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if (cmdq->dead)
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return;
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cmd = cdata->cmd;
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lines = 0;
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do {
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if ((line = evbuffer_readline(job->event->input)) != NULL) {
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cmd_run_shell_print(job, line);
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free(line);
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lines++;
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}
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} while (line != NULL);
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size = EVBUFFER_LENGTH(job->event->input);
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if (size != 0) {
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line = xmalloc(size + 1);
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memcpy(line, EVBUFFER_DATA(job->event->input), size);
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line[size] = '\0';
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cmd_run_shell_print(job, line);
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lines++;
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free(line);
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}
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msg = NULL;
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if (WIFEXITED(job->status)) {
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if ((retcode = WEXITSTATUS(job->status)) != 0)
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xasprintf(&msg, "'%s' returned %d", cmd, retcode);
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} else if (WIFSIGNALED(job->status)) {
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retcode = WTERMSIG(job->status);
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xasprintf(&msg, "'%s' terminated by signal %d", cmd, retcode);
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}
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if (msg != NULL)
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cmd_run_shell_print(job, msg);
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free(msg);
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}
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void
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cmd_run_shell_free(void *data)
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{
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struct cmd_run_shell_data *cdata = data;
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struct cmd_q *cmdq = cdata->cmdq;
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if (!cmdq_free(cmdq) && !cdata->bflag)
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cmdq_continue(cmdq);
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free(cdata->cmd);
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free(cdata);
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}
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