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| author | Denis Vlasenko | 2007-01-19 21:19:35 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2007-01-19 21:19:35 +0000 |
| commit | 9af7c9d6b62ceb07a9ba24cee0cf4a08c689235e (patch) | |
| tree | 69a650a8cd686f21087fc572a995420b6ac632cc /console-tools | |
| parent | f8c11aa65df2af4ab20c0effc42997bbd7357cc3 (diff) | |
| download | busybox-9af7c9d6b62ceb07a9ba24cee0cf4a08c689235e.zip busybox-9af7c9d6b62ceb07a9ba24cee0cf4a08c689235e.tar.gz | |
openvt,getty,vfork_daemon_rexec,mount: tighten up fd cleanup code
(will close all fd's > 2 on daemonization now)
getty: fix "getty -" support, and also do not try to chown/chmod "-"
telnetd: fix "lost ctty" bug
Yet another attempt on saner function names:
bb_sanitize_server_stdio(0/1) -> bb_sanitize_stdio() + bb_daemonize();
Diffstat (limited to 'console-tools')
| -rw-r--r-- | console-tools/openvt.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/console-tools/openvt.c b/console-tools/openvt.c index f1cf564..c7b3e4f 100644 --- a/console-tools/openvt.c +++ b/console-tools/openvt.c @@ -17,7 +17,6 @@ int openvt_main(int argc, char **argv) int fd; char vtname[sizeof(VC_FORMAT) + 2]; - if (argc < 3) { bb_show_usage(); } @@ -25,18 +24,16 @@ int openvt_main(int argc, char **argv) sprintf(vtname, VC_FORMAT, (int)xatoul_range(argv[1], 1, 63)); if (fork() == 0) { - /* leave current vt */ - if (setsid() < 0) { - bb_perror_msg_and_die("setsid"); - } - close(0); /* so that new vt becomes stdin */ - + /* child */ + /* leave current vt (controlling tty) */ + setsid(); /* and grab new one */ fd = xopen(vtname, O_RDWR); - - /* Reassign stdout and sterr */ + /* Reassign stdin, stdout and sterr */ + dup2(fd, STDIN_FILENO); dup2(fd, STDOUT_FILENO); dup2(fd, STDERR_FILENO); + while (fd > 2) close(fd--); execvp(argv[2], &argv[2]); _exit(1); |