Date: Tue, 03 Sep 2019 14:07:28 -0000 From: Kyle Evans <kevans@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r346514 - in stable: 11/usr.sbin/cron/cron 11/usr.sbin/cron/crontab 12/usr.sbin/cron/cron 12/usr.sbin/cron/crontab Message-ID: <201904220306.x3M36Do1073208@repo.freebsd.org>
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Author: kevans Date: Mon Apr 22 03:06:12 2019 New Revision: 346514 URL: https://svnweb.freebsd.org/changeset/base/346514 Log: MFC r346252: 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. PR: 140304 Modified: stable/12/usr.sbin/cron/cron/cron.8 stable/12/usr.sbin/cron/cron/do_command.c stable/12/usr.sbin/cron/crontab/crontab.5 Directory Properties: stable/12/ (props changed) Changes in other areas also in this revision: Modified: stable/11/usr.sbin/cron/cron/cron.8 stable/11/usr.sbin/cron/cron/do_command.c stable/11/usr.sbin/cron/crontab/crontab.5 Directory Properties: stable/11/ (props changed) Modified: stable/12/usr.sbin/cron/cron/cron.8 ============================================================================== --- stable/12/usr.sbin/cron/cron/cron.8 Mon Apr 22 03:04:39 2019 (r346513) +++ stable/12/usr.sbin/cron/cron/cron.8 Mon Apr 22 03:06:12 2019 (r346514) @@ -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: stable/12/usr.sbin/cron/cron/do_command.c ============================================================================== --- stable/12/usr.sbin/cron/cron/do_command.c Mon Apr 22 03:04:39 2019 (r346513) +++ stable/12/usr.sbin/cron/cron/do_command.c Mon Apr 22 03:06:12 2019 (r346514) @@ -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: stable/12/usr.sbin/cron/crontab/crontab.5 ============================================================================== --- stable/12/usr.sbin/cron/crontab/crontab.5 Mon Apr 22 03:04:39 2019 (r346513) +++ stable/12/usr.sbin/cron/crontab/crontab.5 Mon Apr 22 03:06:12 2019 (r346514) @@ -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.
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