1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/* $OpenBSD$ */
/*
* Copyright (c) 2009 Tiago Cunha <me@tiagocunha.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 <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "tmux.h"
/*
* Asks for confirmation before executing a command.
*/
static enum args_parse_type cmd_confirm_before_args_parse(struct args *,
u_int, char **);
static enum cmd_retval cmd_confirm_before_exec(struct cmd *,
struct cmdq_item *);
static int cmd_confirm_before_callback(struct client *, void *,
const char *, int);
static void cmd_confirm_before_free(void *);
const struct cmd_entry cmd_confirm_before_entry = {
.name = "confirm-before",
.alias = "confirm",
.args = { "bc:p:t:y", 1, 1, cmd_confirm_before_args_parse },
.usage = "[-by] [-c confirm_key] [-p prompt] " CMD_TARGET_CLIENT_USAGE
" command",
.flags = CMD_CLIENT_TFLAG,
.exec = cmd_confirm_before_exec
};
struct cmd_confirm_before_data {
struct cmdq_item *item;
struct cmd_list *cmdlist;
u_char confirm_key;
int default_yes;
};
static enum args_parse_type
cmd_confirm_before_args_parse(__unused struct args *args, __unused u_int idx,
__unused char **cause)
{
return (ARGS_PARSE_COMMANDS_OR_STRING);
}
static enum cmd_retval
cmd_confirm_before_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = cmd_get_args(self);
struct cmd_confirm_before_data *cdata;
struct client *tc = cmdq_get_target_client(item);
struct cmd_find_state *target = cmdq_get_target(item);
char *new_prompt;
const char *confirm_key, *prompt, *cmd;
int wait = !args_has(args, 'b');
cdata = xcalloc(1, sizeof *cdata);
cdata->cmdlist = args_make_commands_now(self, item, 0, 1);
if (cdata->cmdlist == NULL) {
free(cdata);
return (CMD_RETURN_ERROR);
}
if (wait)
cdata->item = item;
cdata->default_yes = args_has(args, 'y');
if ((confirm_key = args_get(args, 'c')) != NULL) {
if (confirm_key[1] == '\0' &&
confirm_key[0] > 31 &&
confirm_key[0] < 127)
cdata->confirm_key = confirm_key[0];
else {
cmdq_error(item, "invalid confirm key");
return (CMD_RETURN_ERROR);
}
}
else
cdata->confirm_key = 'y';
if ((prompt = args_get(args, 'p')) != NULL)
xasprintf(&new_prompt, "%s ", prompt);
else {
cmd = cmd_get_entry(cmd_list_first(cdata->cmdlist))->name;
xasprintf(&new_prompt, "Confirm '%s'? (%c/n) ",
cmd, cdata->confirm_key);
}
status_prompt_set(tc, target, new_prompt, NULL,
cmd_confirm_before_callback, cmd_confirm_before_free, cdata,
PROMPT_SINGLE, PROMPT_TYPE_COMMAND);
free(new_prompt);
if (!wait)
return (CMD_RETURN_NORMAL);
return (CMD_RETURN_WAIT);
}
static int
cmd_confirm_before_callback(struct client *c, void *data, const char *s,
__unused int done)
{
struct cmd_confirm_before_data *cdata = data;
struct cmdq_item *item = cdata->item, *new_item;
int retcode = 1;
if (c->flags & CLIENT_DEAD)
goto out;
if (s == NULL)
goto out;
if (s[0] != cdata->confirm_key && (s[0] != '\0' || !cdata->default_yes))
goto out;
retcode = 0;
if (item == NULL) {
new_item = cmdq_get_command(cdata->cmdlist, NULL);
cmdq_append(c, new_item);
} else {
new_item = cmdq_get_command(cdata->cmdlist,
cmdq_get_state(item));
cmdq_insert_after(item, new_item);
}
out:
if (item != NULL) {
if (cmdq_get_client(item) != NULL &&
cmdq_get_client(item)->session == NULL)
cmdq_get_client(item)->retval = retcode;
cmdq_continue(item);
}
return (0);
}
static void
cmd_confirm_before_free(void *data)
{
struct cmd_confirm_before_data *cdata = data;
cmd_list_free(cdata->cmdlist);
free(cdata);
}
|
