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/* $OpenBSD: cmd-confirm-before.c,v 1.26 2015/12/13 14:32:38 nicm Exp $ */
/*
* 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.
*/
enum cmd_retval cmd_confirm_before_exec(struct cmd *, struct cmd_q *);
int cmd_confirm_before_callback(void *, const char *);
void cmd_confirm_before_free(void *);
const struct cmd_entry cmd_confirm_before_entry = {
"confirm-before", "confirm",
"p:t:", 1, 1,
"[-p prompt] " CMD_TARGET_CLIENT_USAGE " command",
CMD_CLIENT_T,
cmd_confirm_before_exec
};
struct cmd_confirm_before_data {
char *cmd;
struct client *client;
};
enum cmd_retval
cmd_confirm_before_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct cmd_confirm_before_data *cdata;
struct client *c = cmdq->state.c;
char *cmd, *copy, *new_prompt, *ptr;
const char *prompt;
if ((prompt = args_get(args, 'p')) != NULL)
xasprintf(&new_prompt, "%s ", prompt);
else {
ptr = copy = xstrdup(args->argv[0]);
cmd = strsep(&ptr, " \t");
xasprintf(&new_prompt, "Confirm '%s'? (y/n) ", cmd);
free(copy);
}
cdata = xmalloc(sizeof *cdata);
cdata->cmd = xstrdup(args->argv[0]);
cdata->client = c;
cdata->client->references++;
status_prompt_set(c, new_prompt, NULL,
cmd_confirm_before_callback, cmd_confirm_before_free, cdata,
PROMPT_SINGLE);
free(new_prompt);
return (CMD_RETURN_NORMAL);
}
int
cmd_confirm_before_callback(void *data, const char *s)
{
struct cmd_confirm_before_data *cdata = data;
struct client *c = cdata->client;
struct cmd_list *cmdlist;
char *cause;
if (c->flags & CLIENT_DEAD)
return (0);
if (s == NULL || *s == '\0')
return (0);
if (tolower((u_char) s[0]) != 'y' || s[1] != '\0')
return (0);
if (cmd_string_parse(cdata->cmd, &cmdlist, NULL, 0, &cause) != 0) {
if (cause != NULL) {
cmdq_error(c->cmdq, "%s", cause);
free(cause);
}
return (0);
}
cmdq_run(c->cmdq, cmdlist, NULL);
cmd_list_free(cmdlist);
return (0);
}
void
cmd_confirm_before_free(void *data)
{
struct cmd_confirm_before_data *cdata = data;
struct client *c = cdata->client;
server_client_unref(c);
free(cdata->cmd);
free(cdata);
}
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