From b46aad6df449445a9fc4aa7b32bd40005438e3f7 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 13 Apr 2024 14:18:05 +0200
Subject: Adding upstream version 2.9.5.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/cfgparse-unix.c | 135 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 135 insertions(+)
 create mode 100644 src/cfgparse-unix.c

(limited to 'src/cfgparse-unix.c')

diff --git a/src/cfgparse-unix.c b/src/cfgparse-unix.c
new file mode 100644
index 0000000..b1fb1e2
--- /dev/null
+++ b/src/cfgparse-unix.c
@@ -0,0 +1,135 @@
+/*
+ * Configuration parsing for UNIX sockets (bind and server keywords)
+ *
+ * Copyright 2000-2020 Willy Tarreau <w@1wt.eu>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ */
+
+#include <ctype.h>
+#include <errno.h>
+#include <grp.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/un.h>
+
+#include <netinet/tcp.h>
+#include <netinet/in.h>
+
+#include <haproxy/api.h>
+#include <haproxy/arg.h>
+#include <haproxy/errors.h>
+#include <haproxy/list.h>
+#include <haproxy/listener.h>
+#include <haproxy/namespace.h>
+#include <haproxy/proxy-t.h>
+#include <haproxy/server.h>
+#include <haproxy/tools.h>
+
+/* parse the "mode" bind keyword */
+static int bind_parse_mode(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
+{
+	char *endptr;
+
+	conf->settings.ux.mode = strtol(args[cur_arg + 1], &endptr, 8);
+
+	if (!*args[cur_arg + 1] || *endptr) {
+		memprintf(err, "'%s' : missing or invalid mode '%s' (octal integer expected)", args[cur_arg], args[cur_arg + 1]);
+		return ERR_ALERT | ERR_FATAL;
+	}
+
+	return 0;
+}
+
+/* parse the "gid" bind keyword */
+static int bind_parse_gid(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
+{
+	if (!*args[cur_arg + 1]) {
+		memprintf(err, "'%s' : missing value", args[cur_arg]);
+		return ERR_ALERT | ERR_FATAL;
+	}
+
+	conf->settings.ux.gid = atol(args[cur_arg + 1]);
+	return 0;
+}
+
+/* parse the "group" bind keyword */
+static int bind_parse_group(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
+{
+	struct group *group;
+
+	if (!*args[cur_arg + 1]) {
+		memprintf(err, "'%s' : missing group name", args[cur_arg]);
+		return ERR_ALERT | ERR_FATAL;
+	}
+
+	group = getgrnam(args[cur_arg + 1]);
+	if (!group) {
+		memprintf(err, "'%s' : unknown group name '%s'", args[cur_arg], args[cur_arg + 1]);
+		return ERR_ALERT | ERR_FATAL;
+	}
+
+	conf->settings.ux.gid = group->gr_gid;
+	return 0;
+}
+
+/* parse the "uid" bind keyword */
+static int bind_parse_uid(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
+{
+	if (!*args[cur_arg + 1]) {
+		memprintf(err, "'%s' : missing value", args[cur_arg]);
+		return ERR_ALERT | ERR_FATAL;
+	}
+
+	conf->settings.ux.uid = atol(args[cur_arg + 1]);
+	return 0;
+}
+
+/* parse the "user" bind keyword */
+static int bind_parse_user(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
+{
+	struct passwd *user;
+
+	if (!*args[cur_arg + 1]) {
+		memprintf(err, "'%s' : missing user name", args[cur_arg]);
+		return ERR_ALERT | ERR_FATAL;
+	}
+
+	user = getpwnam(args[cur_arg + 1]);
+	if (!user) {
+		memprintf(err, "'%s' : unknown user name '%s'", args[cur_arg], args[cur_arg + 1]);
+		return ERR_ALERT | ERR_FATAL;
+	}
+
+	conf->settings.ux.uid = user->pw_uid;
+	return 0;
+}
+
+/* Note: must not be declared <const> as its list will be overwritten.
+ * Please take care of keeping this list alphabetically sorted, doing so helps
+ * all code contributors.
+ * Optional keywords are also declared with a NULL ->parse() function so that
+ * the config parser can report an appropriate error when a known keyword was
+ * not enabled.
+ */
+static struct bind_kw_list bind_kws = { "UNIX", { }, {
+	{ "gid",   bind_parse_gid,   1 },      /* set the socket's gid */
+	{ "group", bind_parse_group, 1 },      /* set the socket's gid from the group name */
+	{ "mode",  bind_parse_mode,  1 },      /* set the socket's mode (eg: 0644)*/
+	{ "uid",   bind_parse_uid,   1 },      /* set the socket's uid */
+	{ "user",  bind_parse_user,  1 },      /* set the socket's uid from the user name */
+	{ NULL, NULL, 0 },
+}};
+
+INITCALL1(STG_REGISTER, bind_register_keywords, &bind_kws);
-- 
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