diff options
Diffstat (limited to 'source4/lib/replace')
| -rw-r--r-- | source4/lib/replace/getpass.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/source4/lib/replace/getpass.c b/source4/lib/replace/getpass.c index 1aac7c61ab..05fb7976b9 100644 --- a/source4/lib/replace/getpass.c +++ b/source4/lib/replace/getpass.c @@ -114,6 +114,32 @@ static int tcsetattr(int fd, int flags, struct sgttyb *_t) static struct termios t; #endif /* SYSV_TERMIO */ +static void catch_signal(int signum,void (*handler)(int )) +{ +#ifdef HAVE_SIGACTION + struct sigaction act; + struct sigaction oldact; + + memset(&act, 0, sizeof(act)); + + act.sa_handler = handler; +#ifdef SA_RESTART + /* + * We *want* SIGALRM to interrupt a system call. + */ + if(signum != SIGALRM) + act.sa_flags = SA_RESTART; +#endif + sigemptyset(&act.sa_mask); + sigaddset(&act.sa_mask,signum); + sigaction(signum,&act,&oldact); + return oldact.sa_handler; +#else /* !HAVE_SIGACTION */ + /* FIXME: need to handle sigvec and systems with broken signal() */ + return signal(signum, handler); +#endif +} + char *getsmbpass(const char *prompt) { FILE *in, *out; @@ -123,7 +149,7 @@ char *getsmbpass(const char *prompt) size_t nread; /* Catch problematic signals */ - CatchSignal(SIGINT, SIGNAL_CAST SIG_IGN); + catch_signal(SIGINT, SIGNAL_CAST SIG_IGN); /* Try to write to and read from the terminal if we can. If we can't open the terminal, use stderr and stdin. */ @@ -175,7 +201,7 @@ char *getsmbpass(const char *prompt) fclose (in); /* Catch problematic signals */ - CatchSignal(SIGINT, SIGNAL_CAST SIG_DFL); + catch_signal(SIGINT, SIGNAL_CAST SIG_DFL); printf("\n"); return buf; |