From owner-svn-src-head@freebsd.org Mon Apr 15 18:53:30 2019 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 043E4157B4D0; Mon, 15 Apr 2019 18:53:30 +0000 (UTC) (envelope-from kevans@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 9ED9E8DFBF; Mon, 15 Apr 2019 18:53:29 +0000 (UTC) (envelope-from kevans@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 mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 613E5C3DE; Mon, 15 Apr 2019 18:53:29 +0000 (UTC) (envelope-from kevans@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x3FIrTem019505; Mon, 15 Apr 2019 18:53:29 GMT (envelope-from kevans@FreeBSD.org) Received: (from kevans@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x3FIrSXI019502; Mon, 15 Apr 2019 18:53:28 GMT (envelope-from kevans@FreeBSD.org) Message-Id: <201904151853.x3FIrSXI019502@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kevans set sender to kevans@FreeBSD.org using -f From: Kyle Evans Date: Mon, 15 Apr 2019 18:53:28 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r346252 - in head/usr.sbin/cron: cron crontab X-SVN-Group: head X-SVN-Commit-Author: kevans X-SVN-Commit-Paths: in head/usr.sbin/cron: cron crontab X-SVN-Commit-Revision: 346252 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 9ED9E8DFBF X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.96 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.96)[-0.962,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Apr 2019 18:53:30 -0000 Author: kevans Date: Mon Apr 15 18:53:28 2019 New Revision: 346252 URL: https://svnweb.freebsd.org/changeset/base/346252 Log: cron(8): Add MAILFROM ability for crontabs This changes the sender mail address in a similar fashion to how MAILTO may change the recipient. The default from address remains unchanged. MFC after: 1 week Modified: head/usr.sbin/cron/cron/cron.8 head/usr.sbin/cron/cron/do_command.c head/usr.sbin/cron/crontab/crontab.5 Modified: head/usr.sbin/cron/cron/cron.8 ============================================================================== --- head/usr.sbin/cron/cron/cron.8 Mon Apr 15 18:49:04 2019 (r346251) +++ head/usr.sbin/cron/cron/cron.8 Mon Apr 15 18:53:28 2019 (r346252) @@ -17,7 +17,7 @@ .\" .\" $FreeBSD$ .\" -.Dd July 19, 2017 +.Dd April 15, 2019 .Dt CRON 8 .Os .Sh NAME @@ -79,6 +79,9 @@ commands, any output is mailed to the owner of the cro named in the .Ev MAILTO environment variable in the crontab, if such exists). +The from address of this mail may be set with the +.Ev MAILFROM +environment variable. .Pp Additionally, .Nm Modified: head/usr.sbin/cron/cron/do_command.c ============================================================================== --- head/usr.sbin/cron/cron/do_command.c Mon Apr 15 18:49:04 2019 (r346251) +++ head/usr.sbin/cron/cron/do_command.c Mon Apr 15 18:53:28 2019 (r346252) @@ -93,7 +93,7 @@ child_process(e, u) { int stdin_pipe[2], stdout_pipe[2]; register char *input_data; - char *usernm, *mailto; + char *usernm, *mailto, *mailfrom; int children = 0; # if defined(LOGIN_CAP) struct passwd *pwd; @@ -111,6 +111,7 @@ child_process(e, u) */ usernm = env_get("LOGNAME", e->envp); mailto = env_get("MAILTO", e->envp); + mailfrom = env_get("MAILFROM", e->envp); #ifdef PAM /* use PAM to see if the user's account is available, @@ -503,8 +504,12 @@ child_process(e, u) warn("%s", MAILCMD); (void) _exit(ERROR_EXIT); } - fprintf(mail, "From: Cron Daemon <%s@%s>\n", - usernm, hostname); + if (mailfrom == NULL || *mailfrom == '\0') + fprintf(mail, "From: Cron Daemon <%s@%s>\n", + usernm, hostname); + else + fprintf(mail, "From: Cron Daemon <%s>\n", + mailfrom); fprintf(mail, "To: %s\n", mailto); fprintf(mail, "Subject: Cron <%s@%s> %s\n", usernm, first_word(hostname, "."), Modified: head/usr.sbin/cron/crontab/crontab.5 ============================================================================== --- head/usr.sbin/cron/crontab/crontab.5 Mon Apr 15 18:49:04 2019 (r346251) +++ head/usr.sbin/cron/crontab/crontab.5 Mon Apr 15 18:53:28 2019 (r346252) @@ -17,7 +17,7 @@ .\" .\" $FreeBSD$ .\" -.Dd June 6, 2018 +.Dd April 15, 2019 .Dt CRONTAB 5 .Os .Sh NAME @@ -116,6 +116,9 @@ If .Ev MAILTO is defined (and non-empty), mail is sent to the user so named. +If +.Ev MAILFROM +is defined (and non-empty), its value will be used as the from address. .Ev MAILTO may also be used to direct mail to multiple recipients by separating recipient users with a comma.