Arno Toell created TS-1448:
------------------------------
Summary: ATS fails to set user id on (k)FreeBSD
Key: TS-1448
URL: https://issues.apache.org/jira/browse/TS-1448
Project: Traffic Server
Issue Type: Bug
Affects Versions: 3.2.0, 3.0.5
Reporter: Arno Toell
I've tried to start TrafficServer on my ATS kFreeBSD port (which is a FreeBSD
kernel, just for the records). There, I can't start the traffic_cop because of
the user it runs at (which is "trafficserver" - working fine on Linux with
that):
{code}
[Sep 9 13:06:09.511] Manager {1024} NOTE: [Alarms::signalAlarm] Server Process
born
FATAL: Can't find entry in password file for user: traffics
/usr/bin/traffic_server - STACK TRACE:
/usr/lib/trafficserver/libtsutil.so.3(ink_fatal_die+0x94)[0x800b30bd4]
/usr/bin/traffic_server(_Z14change_uid_gidPKc+0x1bf)[0x4c51cf]
/usr/bin/traffic_server(main+0x129b)[0x48bd8b]
/lib/x86_64-kfreebsd-gnu/libc.so.0.1(__libc_start_main+0xa9)[0x802f4e349]
/usr/bin/traffic_server[0x48fe60]
{code}
The code is in proxy/Main.cc, function _change_uid_gid(const char *user)_.
Chances are, the *user buffer is already cropped I weren't sure how to find
that out without recompiling the whole thing. Moreover, please note, this code
in said function looks suspicious as well:
{code}
#if defined(freebsd) // TODO: investigate sysconf(_SC_GETPW_R_SIZE_MAX)) failure
long buflen = 1024; // or 4096?
#else
long buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
#endif
if (buflen < 0) {
ink_fatal_die("sysconf() failed for _SC_GETPW_R_SIZE_MAX");
}
{code}
On FreeBSD, you should use the the UT_NAMESIZE symbol defined in utmp.h.
P.S. You might want to mark 3.0.5 as released in JIRA ;)
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