Import httpd experiment based on relayd.

1 files changed, 147 insertions, 0 deletions

diff --git a/config.c b/config.c
new file mode 100644
index 0000000..8a64c4b
--- /dev/null
+++ b/config.c
@@ -0,0 +1,147 @@
+/*	$OpenBSD$	*/
+
+/*
+ * Copyright (c) 2011 - 2014 Reyk Floeter <reyk@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/queue.h>
+#include <sys/uio.h>
+
+#include <net/if.h>
+#include <net/pfvar.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+#include <net/route.h>
+
+#include <ctype.h>
+#include <unistd.h>
+#include <err.h>
+#include <errno.h>
+#include <event.h>
+#include <limits.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <netdb.h>
+#include <string.h>
+#include <ifaddrs.h>
+
+#include <openssl/ssl.h>
+
+#include "httpd.h"
+
+int
+config_init(struct httpd *env)
+{
+	struct privsep	*ps = env->sc_ps;
+	u_int		 what;
+
+	/* Global configuration */
+	if (privsep_process == PROC_PARENT) {
+		env->sc_prefork_server = SERVER_NUMPROC;
+
+		ps->ps_what[PROC_PARENT] = CONFIG_ALL;
+		ps->ps_what[PROC_SERVER] = CONFIG_SERVERS;
+	}
+
+	/* Other configuration */
+	what = ps->ps_what[privsep_process];
+
+	if (what & CONFIG_SERVERS) {
+#if 0
+		if ((env->sc_servers =
+		    calloc(1, sizeof(*env->sc_relays))) == NULL)
+			return (-1);
+		TAILQ_INIT(env->sc_relays);
+		if ((env->sc_pkeys =
+		    calloc(1, sizeof(*env->sc_pkeys))) == NULL)
+			return (-1);
+		TAILQ_INIT(env->sc_pkeys);
+#endif
+	}
+
+	return (0);
+}
+
+void
+config_purge(struct httpd *env, u_int reset)
+{
+	struct privsep		*ps = env->sc_ps;
+	struct server		*srv;
+	u_int			 what;
+
+	what = ps->ps_what[privsep_process] & reset;
+
+	if (what & CONFIG_SERVERS && env->sc_servers != NULL) {
+		while ((srv = TAILQ_FIRST(env->sc_servers)) != NULL) {
+			TAILQ_REMOVE(env->sc_servers, srv, srv_entry);
+			free(srv);
+		}
+	}
+}
+
+int
+config_setreset(struct httpd *env, u_int reset)
+{
+	struct privsep	*ps = env->sc_ps;
+	int		 id;
+
+	for (id = 0; id < PROC_MAX; id++) {
+		if ((reset & ps->ps_what[id]) == 0 ||
+		    id == privsep_process)
+			continue;
+		proc_compose_imsg(ps, id, -1, IMSG_CTL_RESET, -1,
+		    &reset, sizeof(reset));
+	}
+
+	return (0);
+}
+
+int
+config_getreset(struct httpd *env, struct imsg *imsg)
+{
+	u_int		 mode;
+
+	IMSG_SIZE_CHECK(imsg, &mode);
+	memcpy(&mode, imsg->data, sizeof(mode));
+
+	config_purge(env, mode);
+
+	return (0);
+}
+
+int
+config_getcfg(struct httpd *env, struct imsg *imsg)
+{
+	struct privsep		*ps = env->sc_ps;
+	struct ctl_flags	 cf;
+	u_int			 what;
+
+	if (IMSG_DATA_SIZE(imsg) != sizeof(cf))
+		return (0); /* ignore */
+
+	/* Update runtime flags */
+	memcpy(&cf, imsg->data, sizeof(cf));
+	env->sc_opts = cf.cf_opts;
+	env->sc_flags = cf.cf_flags;
+
+	what = ps->ps_what[privsep_process];
+
+	return (0);
+}