/*
* Process a shell escape by saving signals, ignoring signals,
* and forking a sh -c
*/
int
shell(char *str)
{
sig_t sigint = signal(SIGINT, SIG_IGN);
char *sh;
char cmd[BUFSIZ];
if (strlcpy(cmd, str, sizeof(cmd)) >= sizeof(cmd))
return (1);
if (bangexp(cmd, sizeof(cmd)) < 0)
return (1);
if ((sh = value("SHELL")) == NULL)
sh = _PATH_CSHELL;
(void)run_command(sh, 0, -1, -1, "-c", cmd, NULL);
(void)signal(SIGINT, sigint);
printf("!\n");
return (0);
}
/*
* Process a shell escape by saving signals, ignoring signals,
* and forking a sh -c
*/
int
shell(void *v)
{
char *str = v;
char *shell;
char cmd[BUFSIZ];
struct sigaction oact;
sigset_t oset;
(void)ignoresig(SIGINT, &oact, &oset);
(void)strlcpy(cmd, str, sizeof(cmd));
if (bangexp(cmd, sizeof(cmd)) < 0)
return(1);
shell = value("SHELL");
(void)run_command(shell, 0, 0, -1, "-c", cmd, NULL);
(void)sigprocmask(SIG_SETMASK, &oset, NULL);
(void)sigaction(SIGINT, &oact, NULL);
puts("!");
return(0);
}
