From owner-svn-src-all@freebsd.org Sat Jan 30 00:09:32 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5DFF7A71D21; Sat, 30 Jan 2016 00:09:32 +0000 (UTC) (envelope-from sobomax@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 167A21BA3; Sat, 30 Jan 2016 00:09:32 +0000 (UTC) (envelope-from sobomax@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u0U09Vti096551; Sat, 30 Jan 2016 00:09:31 GMT (envelope-from sobomax@FreeBSD.org) Received: (from sobomax@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u0U09V8w096550; Sat, 30 Jan 2016 00:09:31 GMT (envelope-from sobomax@FreeBSD.org) Message-Id: <201601300009.u0U09V8w096550@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: sobomax set sender to sobomax@FreeBSD.org using -f From: Maxim Sobolev Date: Sat, 30 Jan 2016 00:09:31 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r295055 - stable/10/lib/libc/gen X-SVN-Group: stable-10 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 30 Jan 2016 00:09:32 -0000 Author: sobomax Date: Sat Jan 30 00:09:30 2016 New Revision: 295055 URL: https://svnweb.freebsd.org/changeset/base/295055 Log: MFC r294691: Fix readpassphrase(3) when it's called with stdin being closed. Approved by: re (delphij) Modified: stable/10/lib/libc/gen/readpassphrase.c Modified: stable/10/lib/libc/gen/readpassphrase.c ============================================================================== --- stable/10/lib/libc/gen/readpassphrase.c Fri Jan 29 21:42:27 2016 (r295054) +++ stable/10/lib/libc/gen/readpassphrase.c Sat Jan 30 00:09:30 2016 (r295055) @@ -46,7 +46,7 @@ char * readpassphrase(const char *prompt, char *buf, size_t bufsiz, int flags) { ssize_t nr; - int input, output, save_errno, i, need_restart; + int input, output, save_errno, i, need_restart, input_is_tty; char ch, *p, *end; struct termios term, oterm; struct sigaction sa, savealrm, saveint, savehup, savequit, saveterm; @@ -68,12 +68,20 @@ restart: * Read and write to /dev/tty if available. If not, read from * stdin and write to stderr unless a tty is required. */ - if ((flags & RPP_STDIN) || - (input = output = _open(_PATH_TTY, O_RDWR | O_CLOEXEC)) == -1) { - if (flags & RPP_REQUIRE_TTY) { - errno = ENOTTY; - return(NULL); + input_is_tty = 0; + if (!(flags & RPP_STDIN)) { + input = output = _open(_PATH_TTY, O_RDWR | O_CLOEXEC); + if (input == -1) { + if (flags & RPP_REQUIRE_TTY) { + errno = ENOTTY; + return(NULL); + } + input = STDIN_FILENO; + output = STDERR_FILENO; + } else { + input_is_tty = 1; } + } else { input = STDIN_FILENO; output = STDERR_FILENO; } @@ -83,7 +91,7 @@ restart: * If we are using a tty but are not the foreground pgrp this will * generate SIGTTOU, so do it *before* installing the signal handlers. */ - if (input != STDIN_FILENO && tcgetattr(input, &oterm) == 0) { + if (input_is_tty && tcgetattr(input, &oterm) == 0) { memcpy(&term, &oterm, sizeof(term)); if (!(flags & RPP_ECHO_ON)) term.c_lflag &= ~(ECHO | ECHONL); @@ -152,7 +160,7 @@ restart: (void)__libc_sigaction(SIGTSTP, &savetstp, NULL); (void)__libc_sigaction(SIGTTIN, &savettin, NULL); (void)__libc_sigaction(SIGTTOU, &savettou, NULL); - if (input != STDIN_FILENO) + if (input_is_tty) (void)_close(input); /*