Make the owner of fcgi socket configurable.

Andrew Daugherity (andrew.daugherity AT gmail) pointed out that this
is helpful for his port to linux. For example on openSUSE nginx and
Apache run as different users so a compile time default user won't cut
it.
Man page tweaks jmc@

While here, consistently log users at debug level; from Andrew.

1 files changed, 12 insertions, 6 deletions

diff --git a/slowcgi.c b/slowcgi.c
index a9a90b2..8d8c970 100644
--- a/slowcgi.c
+++ b/slowcgi.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: slowcgi.c,v 1.52 2017/07/04 12:48:36 florian Exp $ */
+/*	$OpenBSD: slowcgi.c,v 1.53 2018/08/13 16:54:50 florian Exp $ */
 /*
  * Copyright (c) 2013 David Gwynne <dlg@openbsd.org>
  * Copyright (c) 2013 Florian Obser <florian@openbsd.org>
@@ -256,7 +256,8 @@ __dead void
 usage(void)
 {
 	extern char *__progname;
-	fprintf(stderr, "usage: %s [-d] [-p path] [-s socket] [-u user]\n",
+	fprintf(stderr,
+	    "usage: %s [-d] [-p path] [-s socket] [-U user] [-u user]\n",
 	    __progname);
 	exit(1);
 }
@@ -276,6 +277,7 @@ main(int argc, char *argv[])
 	struct stat	 sb;
 	int		 c, fd;
 	const char	*chrootpath = NULL;
+	const char	*sock_user = SLOWCGI_USER;
 	const char	*slowcgi_user = SLOWCGI_USER;
 
 	/*
@@ -295,7 +297,7 @@ main(int argc, char *argv[])
 		}
 	}
 
-	while ((c = getopt(argc, argv, "dp:s:u:")) != -1) {
+	while ((c = getopt(argc, argv, "dp:s:U:u:")) != -1) {
 		switch (c) {
 		case 'd':
 			debug = 1;
@@ -306,6 +308,9 @@ main(int argc, char *argv[])
 		case 's':
 			fcgi_socket = optarg;
 			break;
+		case 'U':
+			sock_user = optarg;
+			break;
 		case 'u':
 			slowcgi_user = optarg;
 			break;
@@ -326,13 +331,14 @@ main(int argc, char *argv[])
 		logger = &syslogger;
 	}
 
-	pw = getpwnam(SLOWCGI_USER);
+	ldebug("sock_user: %s", sock_user);
+	pw = getpwnam(sock_user);
 	if (pw == NULL)
-		lerrx(1, "no %s user", SLOWCGI_USER);
+		lerrx(1, "no %s user", sock_user);
 
 	fd = slowcgi_listen(fcgi_socket, pw);
 
-	lwarnx("slowcgi_user: %s", slowcgi_user);
+	ldebug("slowcgi_user: %s", slowcgi_user);
 	pw = getpwnam(slowcgi_user);
 	if (pw == NULL)
 		lerrx(1, "no %s user", slowcgi_user);