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conf, passt: Don't try to log to stderr after we close it

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If we don't run in foreground, we close standard error as we
daemonise, so it makes no sense to check if the controlling terminal
is an interactive terminal or if --force-stderr was given, to decide
if we want to log to standard error.

Make --force-stderr depend on --foreground.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Stefano Brivio 2024-06-06 17:18:32 +02:00
parent 65923ba798
commit b74801645c
2 changed files with 4 additions and 1 deletions
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3
conf.c
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@ -1631,6 +1631,9 @@ void conf(struct ctx *c, int argc, char **argv)
conf_ugid(runas, &uid, &gid);
if (!c->foreground && c->force_stderr)
die("Can't log to standard error if not running in foreground");
if (logfile) {
logfile_init(c->mode == MODE_PASTA ? "pasta" : "passt",
logfile, logsize);

2
passt.c
View file

@ -302,7 +302,7 @@ int main(int argc, char **argv)
if (isolate_prefork(&c))
die("Failed to sandbox process, exiting");
if (!c.force_stderr && !isatty(fileno(stderr)))
if (!c.foreground || (!c.force_stderr && !isatty(fileno(stderr))))
__openlog(log_name, 0, LOG_DAEMON);
if (!c.foreground)