diff options
Diffstat (limited to 'crypto/openssh/scp.c')
| -rw-r--r-- | crypto/openssh/scp.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/crypto/openssh/scp.c b/crypto/openssh/scp.c index 09efb82..e07de42 100644 --- a/crypto/openssh/scp.c +++ b/crypto/openssh/scp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: scp.c,v 1.165 2009/12/20 07:28:36 guenther Exp $ */ +/* $OpenBSD: scp.c,v 1.166 2010/07/01 13:06:59 millert Exp $ */ /* * scp - secure remote copy. This is basically patched BSD rcp which * uses ssh to do the data transfer (instead of using rcmd). @@ -156,6 +156,20 @@ killchild(int signo) exit(1); } +static void +suspchild(int signo) +{ + int status; + + if (do_cmd_pid > 1) { + kill(do_cmd_pid, signo); + while (waitpid(do_cmd_pid, &status, WUNTRACED) == -1 && + errno == EINTR) + ; + kill(getpid(), SIGSTOP); + } +} + static int do_local_cmd(arglist *a) { @@ -232,6 +246,10 @@ do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout) close(reserved[0]); close(reserved[1]); + signal(SIGTSTP, suspchild); + signal(SIGTTIN, suspchild); + signal(SIGTTOU, suspchild); + /* Fork a child to execute the command on the remote host using ssh. */ do_cmd_pid = fork(); if (do_cmd_pid == 0) { |
