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| author | Denis Vlasenko | 2008-07-21 09:22:28 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2008-07-21 09:22:28 +0000 |
| commit | 1101d1c98068d7a49942d6e9e11ca2e789a9cdba (patch) | |
| tree | 8fcf79323f16e9e29ad0e257184ce4714b29c23b /networking/telnetd.c | |
| parent | 84c8daa11f4c656bb4ba50b6e1c6d3b34c0f1b39 (diff) | |
| download | busybox-1101d1c98068d7a49942d6e9e11ca2e789a9cdba.zip busybox-1101d1c98068d7a49942d6e9e11ca2e789a9cdba.tar.gz | |
telnet: shrink
telnetd: shrink, and fix issue file printing
test: better and shorter usage text
function old new delta
putiac2 51 50 -1
putiac 24 20 -4
handlenetoutput 95 91 -4
telnet_main 1480 1475 -5
iacflush 37 32 -5
make_new_session 436 421 -15
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/6 up/down: 0/-34) Total: -34 bytes
Diffstat (limited to 'networking/telnetd.c')
| -rw-r--r-- | networking/telnetd.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/networking/telnetd.c b/networking/telnetd.c index 22ecb3c..7f74864 100644 --- a/networking/telnetd.c +++ b/networking/telnetd.c @@ -229,11 +229,10 @@ make_new_session( /* open the child's side of the tty. */ /* NB: setsid() disconnects from any previous ctty's. Therefore * we must open child's side of the tty AFTER setsid! */ - fd = xopen(tty_name, O_RDWR); /* becomes our ctty */ - dup2(fd, 0); - dup2(fd, 1); - dup2(fd, 2); - while (fd > 2) close(fd--); + close(0); + xopen(tty_name, O_RDWR); /* becomes our ctty */ + xdup2(0, 1); + xdup2(0, 2); tcsetpgrp(0, getpid()); /* switch this tty's process group to us */ /* The pseudo-terminal allocated to the client is configured to operate in @@ -252,7 +251,7 @@ make_new_session( * issue files, and they may block writing to fd 1, * (parent is supposed to read it, but parent waits * for vforked child to exec!) */ - print_login_issue(issuefile, NULL); + print_login_issue(issuefile, tty_name); /* Exec shell / login / whatever */ login_argv[0] = loginpath; |