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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/tmux/cmd-run-shell.c	Lines:	0	64	0.0 %
Date:	2017-11-07	Branches:	0	44	0.0 %


/* $OpenBSD: cmd-run-shell.c,v 1.51 2017/08/30 10:33:57 nicm 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 <stdlib.h>
#include <string.h>

#include "tmux.h"

/*
 * Runs a command without a window.
 */

static enum cmd_retval	cmd_run_shell_exec(struct cmd *, struct cmdq_item *);

static void	cmd_run_shell_callback(struct job *);
static void	cmd_run_shell_free(void *);
static void	cmd_run_shell_print(struct job *, const char *);

const struct cmd_entry cmd_run_shell_entry = {
	.name = "run-shell",
	.alias = "run",

	.args = { "bt:", 1, 1 },
	.usage = "[-b] " CMD_TARGET_PANE_USAGE " shell-command",

	.target = { 't', CMD_FIND_PANE, CMD_FIND_CANFAIL },

	.flags = 0,
	.exec = cmd_run_shell_exec
};

struct cmd_run_shell_data {
	char			*cmd;
	struct cmdq_item	*item;
	int			 wp_id;
};

static void
cmd_run_shell_print(struct job *job, const char *msg)
{
	struct cmd_run_shell_data	*cdata = job->data;
	struct window_pane		*wp = NULL;
	struct cmd_find_state		 fs;

	if (cdata->wp_id != -1)
		wp = window_pane_find_by_id(cdata->wp_id);
	if (wp == NULL) {
		if (cdata->item != NULL) {
			cmdq_print(cdata->item, "%s", msg);
			return;
		}
		if (cmd_find_from_nothing(&fs, 0) != 0)
			return;
		wp = fs.wp;
		if (wp == NULL)
			return;
	}

	if (window_pane_set_mode(wp, &window_copy_mode, NULL, NULL) == 0)
		window_copy_init_for_output(wp);
	if (wp->mode == &window_copy_mode)
		window_copy_add(wp, "%s", msg);
}

static enum cmd_retval
cmd_run_shell_exec(struct cmd *self, struct cmdq_item *item)
{
	struct args			*args = self->args;
	struct cmd_run_shell_data	*cdata;
	struct client			*c = cmd_find_client(item, NULL, 1);
	struct session			*s = item->target.s;
	struct winlink			*wl = item->target.wl;
	struct window_pane		*wp = item->target.wp;
	const char			*cwd;

	if (item->client != NULL && item->client->session == NULL)
		cwd = item->client->cwd;
	else if (s != NULL)
		cwd = s->cwd;
	else
		cwd = NULL;

	cdata = xcalloc(1, sizeof *cdata);
	cdata->cmd = format_single(item, args->argv[0], c, s, wl, wp);

	if (args_has(args, 't') && wp != NULL)
		cdata->wp_id = wp->id;
	else
		cdata->wp_id = -1;

	if (!args_has(args, 'b'))
		cdata->item = item;

	job_run(cdata->cmd, s, cwd, NULL, cmd_run_shell_callback,
	    cmd_run_shell_free, cdata);

	if (args_has(args, 'b'))
		return (CMD_RETURN_NORMAL);
	return (CMD_RETURN_WAIT);
}

static void
cmd_run_shell_callback(struct job *job)
{
	struct cmd_run_shell_data	*cdata = job->data;
	char				*cmd = cdata->cmd, *msg, *line;
	size_t				 size;
	int				 retcode;

	do {
		if ((line = evbuffer_readline(job->event->input)) != NULL) {
			cmd_run_shell_print(job, line);
			free(line);
		}
	} while (line != NULL);

	size = EVBUFFER_LENGTH(job->event->input);
	if (size != 0) {
		line = xmalloc(size + 1);
		memcpy(line, EVBUFFER_DATA(job->event->input), size);
		line[size] = '\0';

		cmd_run_shell_print(job, line);

		free(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)
		cmd_run_shell_print(job, msg);
	free(msg);

	if (cdata->item != NULL)
		cdata->item->flags &= ~CMDQ_WAITING;
}

static void
cmd_run_shell_free(void *data)
{
	struct cmd_run_shell_data	*cdata = data;

	free(cdata->cmd);
	free(cdata);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: cmd-run-shell.c,v 1.51 2017/08/30 10:33:57 nicm Exp $ */
2
3			/*
4			* Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
5			* Copyright (c) 2009 Nicholas Marriott <nicm@openbsd.org>
6			*
7			* Permission to use, copy, modify, and distribute this software for any
8			* purpose with or without fee is hereby granted, provided that the above
9			* copyright notice and this permission notice appear in all copies.
10			*
11			* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14			* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15			* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
16			* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
17			* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18			*/
19
20			#include <sys/types.h>
21			#include <sys/wait.h>
22
23			#include <stdlib.h>
24			#include <string.h>
25
26			#include "tmux.h"
27
28			/*
29			* Runs a command without a window.
30			*/
31
32			static enum cmd_retval cmd_run_shell_exec(struct cmd , struct cmdq_item );
33
34			static void cmd_run_shell_callback(struct job *);
35			static void cmd_run_shell_free(void *);
36			static void cmd_run_shell_print(struct job , const char );
37
38			const struct cmd_entry cmd_run_shell_entry = {
39			.name = "run-shell",
40			.alias = "run",
41
42			.args = { "bt:", 1, 1 },
43			.usage = "[-b] " CMD_TARGET_PANE_USAGE " shell-command",
44
45			.target = { 't', CMD_FIND_PANE, CMD_FIND_CANFAIL },
46
47			.flags = 0,
48			.exec = cmd_run_shell_exec
49			};
50
51			struct cmd_run_shell_data {
52			char *cmd;
53			struct cmdq_item *item;
54			int wp_id;
55			};
56
57			static void
58			cmd_run_shell_print(struct job job, const char msg)
59			{
60			struct cmd_run_shell_data *cdata = job->data;
61			struct window_pane *wp = NULL;
62			struct cmd_find_state fs;
63
64			if (cdata->wp_id != -1)
65			wp = window_pane_find_by_id(cdata->wp_id);
66			if (wp == NULL) {
67			if (cdata->item != NULL) {
68			cmdq_print(cdata->item, "%s", msg);
69			return;
70			}
71			if (cmd_find_from_nothing(&fs, 0) != 0)
72			return;
73			wp = fs.wp;
74			if (wp == NULL)
75			return;
76			}
77
78			if (window_pane_set_mode(wp, &window_copy_mode, NULL, NULL) == 0)
79			window_copy_init_for_output(wp);
80			if (wp->mode == &window_copy_mode)
81			window_copy_add(wp, "%s", msg);
82			}
83
84			static enum cmd_retval
85			cmd_run_shell_exec(struct cmd self, struct cmdq_item item)
86			{
87			struct args *args = self->args;
88			struct cmd_run_shell_data *cdata;
89			struct client *c = cmd_find_client(item, NULL, 1);
90			struct session *s = item->target.s;
91			struct winlink *wl = item->target.wl;
92			struct window_pane *wp = item->target.wp;
93			const char *cwd;
94
95			if (item->client != NULL && item->client->session == NULL)
96			cwd = item->client->cwd;
97			else if (s != NULL)
98			cwd = s->cwd;
99			else
100			cwd = NULL;
101
102			cdata = xcalloc(1, sizeof *cdata);
103			cdata->cmd = format_single(item, args->argv[0], c, s, wl, wp);
104
105			if (args_has(args, 't') && wp != NULL)
106			cdata->wp_id = wp->id;
107			else
108			cdata->wp_id = -1;
109
110			if (!args_has(args, 'b'))
111			cdata->item = item;
112
113			job_run(cdata->cmd, s, cwd, NULL, cmd_run_shell_callback,
114			cmd_run_shell_free, cdata);
115
116			if (args_has(args, 'b'))
117			return (CMD_RETURN_NORMAL);
118			return (CMD_RETURN_WAIT);
119			}
120
121			static void
122			cmd_run_shell_callback(struct job *job)
123			{
124			struct cmd_run_shell_data *cdata = job->data;
125			char cmd = cdata->cmd, msg, *line;
126			size_t size;
127			int retcode;
128
129			do {
130			if ((line = evbuffer_readline(job->event->input)) != NULL) {
131			cmd_run_shell_print(job, line);
132			free(line);
133			}
134			} while (line != NULL);
135
136			size = EVBUFFER_LENGTH(job->event->input);
137			if (size != 0) {
138			line = xmalloc(size + 1);
139			memcpy(line, EVBUFFER_DATA(job->event->input), size);
140			line[size] = '\0';
141
142			cmd_run_shell_print(job, line);
143
144			free(line);
145			}
146
147			msg = NULL;
148			if (WIFEXITED(job->status)) {
149			if ((retcode = WEXITSTATUS(job->status)) != 0)
150			xasprintf(&msg, "'%s' returned %d", cmd, retcode);
151			} else if (WIFSIGNALED(job->status)) {
152			retcode = WTERMSIG(job->status);
153			xasprintf(&msg, "'%s' terminated by signal %d", cmd, retcode);
154			}
155			if (msg != NULL)
156			cmd_run_shell_print(job, msg);
157			free(msg);
158
159			if (cdata->item != NULL)
160			cdata->item->flags &= ~CMDQ_WAITING;
161			}
162
163			static void
164			cmd_run_shell_free(void *data)
165			{
166			struct cmd_run_shell_data *cdata = data;
167
168			free(cdata->cmd);
169			free(cdata);
170			}