diff options
Diffstat (limited to 'usr.bin/rsh/rsh.c')
| -rw-r--r-- | usr.bin/rsh/rsh.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/usr.bin/rsh/rsh.c b/usr.bin/rsh/rsh.c index faa38bf262b..dd4f875e339 100644 --- a/usr.bin/rsh/rsh.c +++ b/usr.bin/rsh/rsh.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rsh.c,v 1.19 2000/02/01 03:23:37 deraadt Exp $ */ +/* $OpenBSD: rsh.c,v 1.20 2001/09/04 23:35:59 millert Exp $ */ /*- * Copyright (c) 1983, 1990 The Regents of the University of California. @@ -41,7 +41,7 @@ char copyright[] = #ifndef lint /*static char sccsid[] = "from: @(#)rsh.c 5.24 (Berkeley) 7/1/91";*/ -static char rcsid[] = "$OpenBSD: rsh.c,v 1.19 2000/02/01 03:23:37 deraadt Exp $"; +static char rcsid[] = "$OpenBSD: rsh.c,v 1.20 2001/09/04 23:35:59 millert Exp $"; #endif /* not lint */ #include <sys/types.h> @@ -87,7 +87,7 @@ int krcmd_mutual __P((char **, u_short, char *, char *, int *, char *, void usage __P((void)); -void talk __P((int, int, int, register int)); +void talk __P((int, sigset_t *, int, register int)); /* * rsh - remote shell @@ -103,7 +103,7 @@ main(argc, argv) extern int optind; struct passwd *pw; struct servent *sp; - int omask; + sigset_t mask, omask; int argoff, asrsh, ch, dflag, nflag, one, pid = 0, rem, uid; register char *p; char *args, *host, *user, *copyargs(); @@ -292,7 +292,11 @@ try_connect: (void)seteuid(uid); (void)setuid(uid); - omask = sigblock(sigmask(SIGINT)|sigmask(SIGQUIT)|sigmask(SIGTERM)); + sigemptyset(&mask); + sigaddset(&mask, SIGINT); + sigaddset(&mask, SIGQUIT); + sigaddset(&mask, SIGTERM); + sigprocmask(SIG_BLOCK, &mask, &omask); if (signal(SIGINT, SIG_IGN) != SIG_IGN) (void)signal(SIGINT, sendsig); if (signal(SIGQUIT, SIG_IGN) != SIG_IGN) @@ -317,7 +321,7 @@ try_connect: (void)ioctl(rem, FIONBIO, &one); } - talk(nflag, omask, pid, rem); + talk(nflag, &omask, pid, rem); if (!nflag) (void)kill(pid, SIGKILL); @@ -328,7 +332,7 @@ try_connect: void talk(nflag, omask, pid, rem) int nflag, pid; - int omask; + sigset_t *omask; register int rem; { register int cc, wc; @@ -377,7 +381,7 @@ done: exit(0); } - (void)sigsetmask(omask); + sigprocmask(SIG_SETMASK, &omask, NULL); FD_ZERO(&readfrom); FD_SET(rfd2, &readfrom); FD_SET(rem, &readfrom); |