on redhat 7.3, courier 0.39 and 0.42
and yeah, the alias root to nonpriv account, i know. output from root's
batch job disappears and (even better) no log. output from nonpriv user's
jobs send ok.
this works:
# /usr/bin/sendmail <<eof
From: root
To: root
Subject: dammit
testing
eof
a simple batch job like ``echo "echo this is a test" | batch'', as root,
produces no mail.
atd does it's thing, output in /var/spool/at/spool/bfoo, execve's sendmail,
but it looks like the fd's get mixed up in courier/submit and it throws
EBADF:
close(2) = 0
close(3) = 0
close(0) = 0
close(1) = 0
dup(1) = -1 EBADF (Bad file descriptor)
dup(4) = 0
close(1) = -1 EBADF (Bad file descriptor)
close(4) = 0
chdir("/usr/lib/courier") = 0
execve("/usr/lib/courier/libexec/courier/submit", ["submit", "local", "dns;
loca
lhost (localhost [127.0"..., "uid 0"], [/* 3 vars */]) = 0
uname({sys="Linux", node="blahblahblah
--<snip>--
fstat64(0, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x40014000
read(0, 0x40014000, 4096) = -1 EBADF (Bad file descriptor)
_exit(1) = ?
versus nonpriv user's job:
close(4) = 0
close(5) = 0
close(0) = 0
close(1) = 0
dup(3) = 0
dup(6) = 1
close(3) = 0
close(6) = 0
chdir("/usr/lib/courier") = 0
execve("/usr/lib/courier/libexec/courier/submit", ["submit", "local", "dns;
loca
lhost (localhost [127.0"..., "uid 500"], [/* 3 vars */]) = 0
uname({sys="Linux", node="blahblahblah
--<snip>--
fstat64(0, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x40
014000
read(0, "root\n", 4096) = 5
--<etc>--
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