You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
3.1 KiB
104 lines
3.1 KiB
2 years ago
|
From be7c2d639127dd8af0139caf94f8c29f431d3753 Mon Sep 17 00:00:00 2001
|
||
|
|
From: =?UTF-8?q?Ond=C5=99ej=20Lyson=C4=9Bk?= <olysonek@redhat.com>
|
||
|
|
Date: Mon, 18 Jun 2018 10:13:48 +0200
|
||
|
|
Subject: [PATCH 58/59] Make the max number of bind retries tunable
|
||
|
|
|
||
|
|
Resolves: rhbz#1318198
|
||
|
|
---
|
||
|
|
parseconf.c | 1 +
|
||
|
|
privops.c | 8 ++++++--
|
||
|
|
tunables.c | 2 ++
|
||
|
|
tunables.h | 1 +
|
||
|
|
vsftpd.conf.5 | 5 +++++
|
||
|
|
5 files changed, 15 insertions(+), 2 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/parseconf.c b/parseconf.c
|
||
|
|
index aeb401a..3cfe7da 100644
|
||
|
|
--- a/parseconf.c
|
||
|
|
+++ b/parseconf.c
|
||
|
|
@@ -143,6 +143,7 @@ parseconf_uint_array[] =
|
||
|
|
{ "delay_successful_login", &tunable_delay_successful_login },
|
||
|
|
{ "max_login_fails", &tunable_max_login_fails },
|
||
|
|
{ "chown_upload_mode", &tunable_chown_upload_mode },
|
||
|
|
+ { "bind_retries", &tunable_bind_retries },
|
||
|
|
{ 0, 0 }
|
||
|
|
};
|
||
|
|
|
||
|
|
diff --git a/privops.c b/privops.c
|
||
|
|
index 010d28d..83b25c7 100644
|
||
|
|
--- a/privops.c
|
||
|
|
+++ b/privops.c
|
||
|
|
@@ -120,8 +120,8 @@ unsigned short
|
||
|
|
vsf_privop_pasv_listen(struct vsf_session* p_sess)
|
||
|
|
{
|
||
|
|
static struct vsf_sysutil_sockaddr* s_p_sockaddr;
|
||
|
|
- int bind_retries = 10;
|
||
|
|
- unsigned short the_port;
|
||
|
|
+ int bind_retries = tunable_bind_retries + 1;
|
||
|
|
+ unsigned short the_port = 0;
|
||
|
|
/* IPPORT_RESERVED */
|
||
|
|
unsigned short min_port = 1024;
|
||
|
|
unsigned short max_port = 65535;
|
||
|
|
@@ -131,6 +131,10 @@ vsf_privop_pasv_listen(struct vsf_session* p_sess)
|
||
|
|
die("listed fd already active");
|
||
|
|
}
|
||
|
|
|
||
|
|
+ if (bind_retries < 2)
|
||
|
|
+ {
|
||
|
|
+ bind_retries = 2;
|
||
|
|
+ }
|
||
|
|
if (tunable_pasv_min_port > min_port && tunable_pasv_min_port <= max_port)
|
||
|
|
{
|
||
|
|
min_port = (unsigned short) tunable_pasv_min_port;
|
||
|
|
diff --git a/tunables.c b/tunables.c
|
||
|
|
index 63de8e6..a7ce9c8 100644
|
||
|
|
--- a/tunables.c
|
||
|
|
+++ b/tunables.c
|
||
|
|
@@ -115,6 +115,7 @@ unsigned int tunable_delay_failed_login;
|
||
|
|
unsigned int tunable_delay_successful_login;
|
||
|
|
unsigned int tunable_max_login_fails;
|
||
|
|
unsigned int tunable_chown_upload_mode;
|
||
|
|
+unsigned int tunable_bind_retries;
|
||
|
|
|
||
|
|
const char* tunable_secure_chroot_dir;
|
||
|
|
const char* tunable_ftp_username;
|
||
|
|
@@ -268,6 +269,7 @@ tunables_load_defaults()
|
||
|
|
tunable_max_login_fails = 3;
|
||
|
|
/* -rw------- */
|
||
|
|
tunable_chown_upload_mode = 0600;
|
||
|
|
+ tunable_bind_retries = 9;
|
||
|
|
|
||
|
|
install_str_setting("/usr/share/empty", &tunable_secure_chroot_dir);
|
||
|
|
install_str_setting("ftp", &tunable_ftp_username);
|
||
|
|
diff --git a/tunables.h b/tunables.h
|
||
|
|
index 8a4b8b2..029d645 100644
|
||
|
|
--- a/tunables.h
|
||
|
|
+++ b/tunables.h
|
||
|
|
@@ -120,6 +120,7 @@ extern unsigned int tunable_delay_failed_login;
|
||
|
|
extern unsigned int tunable_delay_successful_login;
|
||
|
|
extern unsigned int tunable_max_login_fails;
|
||
|
|
extern unsigned int tunable_chown_upload_mode;
|
||
|
|
+extern unsigned int tunable_bind_retries;
|
||
|
|
|
||
|
|
/* String defines */
|
||
|
|
extern const char* tunable_secure_chroot_dir;
|
||
|
|
diff --git a/vsftpd.conf.5 b/vsftpd.conf.5
|
||
|
|
index f246906..ce3fba3 100644
|
||
|
|
--- a/vsftpd.conf.5
|
||
|
|
+++ b/vsftpd.conf.5
|
||
|
|
@@ -760,6 +760,11 @@ value will be treated as a base 10 integer!
|
||
|
|
|
||
|
|
Default: 077
|
||
|
|
.TP
|
||
|
|
+.B bind_retries
|
||
|
|
+Maximum number of attempts to find a free listening port in passive mode.
|
||
|
|
+
|
||
|
|
+Default: 9
|
||
|
|
+.TP
|
||
|
|
.B chown_upload_mode
|
||
|
|
The file mode to force for chown()ed anonymous uploads. (Added in v2.0.6).
|
||
|
|
|
||
|
|
--
|
||
|
|
2.14.4
|
||
|
|
|