static int
cmd_confirm_before_callback(void *data, const char *s, __unused int done)
{
struct cmd_confirm_before_data *cdata = data;
struct client *c = cdata->client;
struct cmd_list *cmdlist;
struct cmdq_item *new_item;
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);
cmdlist = cmd_string_parse(cdata->cmd, NULL, 0, &cause);
if (cmdlist == NULL) {
if (cause != NULL) {
new_item = cmdq_get_callback(cmd_confirm_before_error,
cause);
} else
new_item = NULL;
} else {
new_item = cmdq_get_command(cmdlist, NULL, NULL, 0);
cmd_list_free(cmdlist);
}
if (new_item != NULL)
cmdq_append(c, new_item);
return (0);
}
/* Control input callback. Read lines and fire commands. */
void
control_callback(struct client *c, int closed, __unused void *data)
{
char *line, *cause;
struct cmd_list *cmdlist;
struct cmd *cmd;
struct cmdq_item *item;
if (closed)
c->flags |= CLIENT_EXIT;
for (;;) {
line = evbuffer_readln(c->stdin_data, NULL, EVBUFFER_EOL_LF);
if (line == NULL)
break;
if (*line == '\0') { /* empty line exit */
c->flags |= CLIENT_EXIT;
break;
}
if (cmd_string_parse(line, &cmdlist, NULL, 0, &cause) != 0) {
item = cmdq_get_callback(control_error, cause);
cmdq_append(c, item);
} else {
TAILQ_FOREACH(cmd, &cmdlist->list, qentry)
cmd->flags |= CMD_CONTROL;
item = cmdq_get_command(cmdlist, NULL, NULL, 0);
cmdq_append(c, item);
cmd_list_free(cmdlist);
}
free(line);
}
}
static void
cmd_if_shell_callback(struct job *job)
{
struct cmd_if_shell_data *cdata = job->data;
struct client *c = cdata->client;
struct cmd_list *cmdlist;
struct cmdq_item *new_item;
char *cause, *cmd, *file = cdata->file;
u_int line = cdata->line;
if (!WIFEXITED(job->status) || WEXITSTATUS(job->status) != 0)
cmd = cdata->cmd_else;
else
cmd = cdata->cmd_if;
if (cmd == NULL)
goto out;
cmdlist = cmd_string_parse(cmd, file, line, &cause);
if (cmdlist == NULL) {
if (cause != NULL)
new_item = cmdq_get_callback(cmd_if_shell_error, cause);
else
new_item = NULL;
} else {
new_item = cmdq_get_command(cmdlist, NULL, &cdata->mouse, 0);
cmd_list_free(cmdlist);
}
if (new_item != NULL) {
if (cdata->item == NULL)
cmdq_append(c, new_item);
else
cmdq_insert_after(cdata->item, new_item);
}
out:
if (cdata->item != NULL)
cdata->item->flags &= ~CMDQ_WAITING;
}
static enum cmd_retval
cmd_if_shell_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
struct cmd_if_shell_data *cdata;
char *shellcmd, *cmd, *cause;
struct cmd_list *cmdlist;
struct cmdq_item *new_item;
struct client *c = item->state.c;
struct session *s = item->state.tflag.s;
struct winlink *wl = item->state.tflag.wl;
struct window_pane *wp = item->state.tflag.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;
shellcmd = format_single(item, args->argv[0], c, s, wl, wp);
if (args_has(args, 'F')) {
cmd = NULL;
if (*shellcmd != '0' && *shellcmd != '\0')
cmd = args->argv[1];
else if (args->argc == 3)
cmd = args->argv[2];
free(shellcmd);
if (cmd == NULL)
return (CMD_RETURN_NORMAL);
cmdlist = cmd_string_parse(cmd, NULL, 0, &cause);
if (cmdlist == NULL) {
if (cause != NULL) {
cmdq_error(item, "%s", cause);
free(cause);
}
return (CMD_RETURN_ERROR);
}
new_item = cmdq_get_command(cmdlist, NULL, &item->mouse, 0);
cmdq_insert_after(item, new_item);
cmd_list_free(cmdlist);
return (CMD_RETURN_NORMAL);
}
cdata = xcalloc(1, sizeof *cdata);
if (self->file != NULL) {
cdata->file = xstrdup(self->file);
cdata->line = self->line;
}
cdata->cmd_if = xstrdup(args->argv[1]);
if (args->argc == 3)
cdata->cmd_else = xstrdup(args->argv[2]);
else
cdata->cmd_else = NULL;
cdata->client = item->client;
cdata->client->references++;
if (!args_has(args, 'b'))
cdata->item = item;
else
cdata->item = NULL;
memcpy(&cdata->mouse, &item->mouse, sizeof cdata->mouse);
job_run(shellcmd, s, cwd, cmd_if_shell_callback, cmd_if_shell_free,
cdata);
free(shellcmd);
if (args_has(args, 'b'))
return (CMD_RETURN_NORMAL);
return (CMD_RETURN_WAIT);
}
