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-rw-r--r--openvpn/src/openvpn/manage.c43
-rw-r--r--openvpn/src/openvpn/manage.h6
-rw-r--r--openvpn/src/openvpn/openvpn_win32_resources.rc4
-rw-r--r--openvpn/src/openvpn/options.c119
-rw-r--r--openvpn/src/openvpn/socket.c9
-rw-r--r--openvpn/src/openvpnserv/openvpnserv_resources.rc4
6 files changed, 146 insertions, 39 deletions
diff --git a/openvpn/src/openvpn/manage.c b/openvpn/src/openvpn/manage.c
index 1dddd41d..b9807551 100644
--- a/openvpn/src/openvpn/manage.c
+++ b/openvpn/src/openvpn/manage.c
@@ -66,6 +66,8 @@ struct management *management; /* GLOBAL */
/* static forward declarations */
static void man_output_standalone (struct management *man, volatile int *signal_received);
static void man_reset_client_socket (struct management *man, const bool exiting);
+static ssize_t write_fd (int fd, void *ptr, size_t nbytes, int flags, int sendfd);
+
static void
man_help ()
@@ -1891,7 +1893,13 @@ man_write (struct management *man)
if (buf && BLEN (buf))
{
const int len = min_int (size_hint, BLEN (buf));
- sent = send (man->connection.sd_cli, BPTR (buf), len, MSG_NOSIGNAL);
+#ifdef TARGET_ANDROID
+ if (man->connection.fdtosend > 0) {
+ sent = write_fd (man->connection.sd_cli, BPTR (buf), len, MSG_NOSIGNAL,man->connection.fdtosend);
+ man->connection.fdtosend = -1;
+ } else
+#endif
+ sent = send (man->connection.sd_cli, BPTR (buf), len, MSG_NOSIGNAL);
if (sent >= 0)
{
buffer_list_advance (man->connection.out, sent);
@@ -3084,6 +3092,39 @@ management_query_rsa_sig (struct management *man,
#endif
+static ssize_t write_fd (int fd, void *ptr, size_t nbytes, int flags, int sendfd)
+{
+ struct msghdr msg;
+ struct iovec iov[1];
+
+ union {
+ struct cmsghdr cm;
+ char control[CMSG_SPACE(sizeof(int))];
+ } control_un;
+ struct cmsghdr *cmptr;
+
+ msg.msg_control = control_un.control;
+ msg.msg_controllen = sizeof(control_un.control);
+
+ cmptr = CMSG_FIRSTHDR(&msg);
+ cmptr->cmsg_len = CMSG_LEN(sizeof(int));
+ cmptr->cmsg_level = SOL_SOCKET;
+ cmptr->cmsg_type = SCM_RIGHTS;
+ *((int *) CMSG_DATA(cmptr)) = sendfd;
+
+ msg.msg_name = NULL;
+ msg.msg_namelen = 0;
+
+ iov[0].iov_base = ptr;
+ iov[0].iov_len = nbytes;
+ msg.msg_iov = iov;
+ msg.msg_iovlen = 1;
+
+ return (sendmsg(fd, &msg, flags));
+}
+
+
+
/*
* Return true if management_hold() would block
*/
diff --git a/openvpn/src/openvpn/manage.h b/openvpn/src/openvpn/manage.h
index f681f8d4..71e1a84e 100644
--- a/openvpn/src/openvpn/manage.h
+++ b/openvpn/src/openvpn/manage.h
@@ -208,7 +208,7 @@ struct man_persist {
bool hold_release;
const char *special_state_msg;
-
+
counter_type bytes_in;
counter_type bytes_out;
};
@@ -303,6 +303,10 @@ struct man_connection {
#ifdef MANAGMENT_EXTERNAL_KEY
struct buffer_list *rsa_sig;
#endif
+#ifdef TARGET_ANDROID
+ int fdtosend;
+#endif
+
};
struct management
diff --git a/openvpn/src/openvpn/openvpn_win32_resources.rc b/openvpn/src/openvpn/openvpn_win32_resources.rc
index e1cd959c..d092e21a 100644
--- a/openvpn/src/openvpn/openvpn_win32_resources.rc
+++ b/openvpn/src/openvpn/openvpn_win32_resources.rc
@@ -5,6 +5,8 @@
#endif
#include <winresrc.h>
+#pragma code_page(65001) /* UTF8 */
+
LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
VS_VERSION_INFO VERSIONINFO
@@ -28,7 +30,7 @@ BEGIN
VALUE "FileDescription", "OpenVPN Daemon"
VALUE "FileVersion", PACKAGE_VERSION ".0"
VALUE "InternalName", "OpenVPN"
- VALUE "LegalCopyright", "Copyright © The OpenVPN Project"
+ VALUE "LegalCopyright", "Copyright © The OpenVPN Project"
VALUE "OriginalFilename", "openvpn.exe"
VALUE "ProductName", "OpenVPN"
VALUE "ProductVersion", PACKAGE_VERSION ".0"
diff --git a/openvpn/src/openvpn/options.c b/openvpn/src/openvpn/options.c
index 525c00cd..a2d0f6eb 100644
--- a/openvpn/src/openvpn/options.c
+++ b/openvpn/src/openvpn/options.c
@@ -166,7 +166,7 @@ static const char usage_message[] =
" Set n=\"infinite\" to retry indefinitely.\n"
"--float : Allow remote to change its IP address/port, such as through\n"
" DHCP (this is the default if --remote is not used).\n"
- "--ipchange cmd : Execute shell command cmd on remote ip address initial\n"
+ "--ipchange cmd : Run command cmd on remote ip address initial\n"
" setting or change -- execute as: cmd ip-address port#\n"
"--port port : TCP/UDP port # for both local and remote.\n"
"--lport port : TCP/UDP port # for local (default=%d). Implies --bind.\n"
@@ -223,8 +223,8 @@ static const char usage_message[] =
" adding routes (may be 0). If not specified, routes will\n"
" be added immediately after tun/tap open. On Windows, wait\n"
" up to w seconds for TUN/TAP adapter to come up.\n"
- "--route-up cmd : Execute shell cmd after routes are added.\n"
- "--route-pre-down cmd : Execute shell cmd before routes are removed.\n"
+ "--route-up cmd : Run command cmd after routes are added.\n"
+ "--route-pre-down cmd : Run command cmd before routes are removed.\n"
"--route-noexec : Don't add routes automatically. Instead pass routes to\n"
" --route-up script using environmental variables.\n"
"--route-nopull : When used with --client or --pull, accept options pushed\n"
@@ -311,17 +311,17 @@ static const char usage_message[] =
#endif
"--mlock : Disable Paging -- ensures key material and tunnel\n"
" data will never be written to disk.\n"
- "--up cmd : Shell cmd to execute after successful tun device open.\n"
+ "--up cmd : Run command cmd after successful tun device open.\n"
" Execute as: cmd tun/tap-dev tun-mtu link-mtu \\\n"
" ifconfig-local-ip ifconfig-remote-ip\n"
" (pre --user or --group UID/GID change)\n"
"--up-delay : Delay tun/tap open and possible --up script execution\n"
" until after TCP/UDP connection establishment with peer.\n"
- "--down cmd : Shell cmd to run after tun device close.\n"
+ "--down cmd : Run command cmd after tun device close.\n"
" (post --user/--group UID/GID change and/or --chroot)\n"
- " (script parameters are same as --up option)\n"
- "--down-pre : Call --down cmd/script before TUN/TAP close.\n"
- "--up-restart : Run up/down scripts for all restarts including those\n"
+ " (command parameters are same as --up option)\n"
+ "--down-pre : Run --down command before TUN/TAP close.\n"
+ "--up-restart : Run up/down commands for all restarts including those\n"
" caused by --ping-restart or SIGUSR1\n"
"--user user : Set UID to user after initialization.\n"
"--group group : Set GID to group after initialization.\n"
@@ -452,7 +452,7 @@ static const char usage_message[] =
" the authenticated username as the common name,\n"
" rather than the common name from the client cert.\n"
"--auth-user-pass-verify cmd method: Query client for username/password and\n"
- " run script cmd to verify. If method='via-env', pass\n"
+ " run command cmd to verify. If method='via-env', pass\n"
" user/pass via environment, if method='via-file', pass\n"
" user/pass via temporary file.\n"
"--opt-verify : Clients that connect with options that are incompatible\n"
@@ -464,8 +464,8 @@ static const char usage_message[] =
"--client-to-client : Internally route client-to-client traffic.\n"
"--duplicate-cn : Allow multiple clients with the same common name to\n"
" concurrently connect.\n"
- "--client-connect cmd : Run script cmd on client connection.\n"
- "--client-disconnect cmd : Run script cmd on client disconnection.\n"
+ "--client-connect cmd : Run command cmd on client connection.\n"
+ "--client-disconnect cmd : Run command cmd on client disconnection.\n"
"--client-config-dir dir : Directory for custom client config files.\n"
"--ccd-exclusive : Refuse connection unless custom client config is found.\n"
"--tmp-dir dir : Temporary directory, used for --client-connect return file and plugin communication.\n"
@@ -475,7 +475,7 @@ static const char usage_message[] =
"--tcp-queue-limit n : Maximum number of queued TCP output packets.\n"
"--tcp-nodelay : Macro that sets TCP_NODELAY socket flag on the server\n"
" as well as pushes it to connecting clients.\n"
- "--learn-address cmd : Run script cmd to validate client virtual addresses.\n"
+ "--learn-address cmd : Run command cmd to validate client virtual addresses.\n"
"--connect-freq n s : Allow a maximum of n new connections per s seconds.\n"
"--max-clients n : Allow a maximum of n simultaneously connected clients.\n"
"--max-routes-per-client n : Allow a maximum of n internal routes per client.\n"
@@ -609,7 +609,7 @@ static const char usage_message[] =
"--askpass [file]: Get PEM password from controlling tty before we daemonize.\n"
"--auth-nocache : Don't cache --askpass or --auth-user-pass passwords.\n"
"--crl-verify crl ['dir']: Check peer certificate against a CRL.\n"
- "--tls-verify cmd: Execute shell command cmd to verify the X509 name of a\n"
+ "--tls-verify cmd: Run command cmd to verify the X509 name of a\n"
" pending TLS connection that has otherwise passed all other\n"
" tests of certification. cmd should return 0 to allow\n"
" TLS handshake to proceed, or 1 to fail. (cmd is\n"
@@ -2676,6 +2676,55 @@ check_file_access(const int type, const char *file, const int mode, const char *
}
/*
+ * Verifies that the path in the "command" that comes after certain script options (e.g., --up) is a
+ * valid file with appropriate permissions.
+ *
+ * "command" consists of a path, optionally followed by a space, which may be
+ * followed by arbitrary arguments. It is NOT a full shell command line -- shell expansion is not
+ * performed.
+ *
+ * The path and arguments in "command" may be single- or double-quoted or escaped.
+ *
+ * The path is extracted from "command", then check_file_access() is called to check it. The
+ * arguments, if any, are ignored.
+ *
+ * Note that the type, mode, and opt arguments to this routine are the same as the corresponding
+ * check_file_access() arguments.
+ */
+static bool
+check_cmd_access(const char *command, const char *opt)
+{
+ struct argv argv;
+ bool return_code;
+
+ /* If no command was set, there are no errors to look for */
+ if (! command)
+ return false;
+
+ /* Extract executable path and arguments */
+ argv = argv_new ();
+ argv_printf (&argv, "%sc", command);
+
+ /* if an executable is specified then check it; otherwise, complain */
+ if (argv.argv[0])
+ /* Scripts requires R_OK as well, but that might fail on binaries which
+ * only requires X_OK to function on Unix - a scenario not unlikely to
+ * be seen on suid binaries.
+ */
+ return_code = check_file_access(CHKACC_FILE, argv.argv[0], X_OK, opt);
+ else
+ {
+ msg (M_NOPREFIX|M_OPTERR, "%s fails with '%s': No path to executable.",
+ opt, command);
+ return_code = true;
+ }
+
+ argv_reset (&argv);
+
+ return return_code;
+}
+
+/*
* Sanity check of all file/dir options. Checks that file/dir
* is accessible by OpenVPN
*/
@@ -2751,27 +2800,29 @@ options_postprocess_filechecks (struct options *options)
#if P2MP_SERVER
errs |= check_file_access (CHKACC_FILE, options->client_config_dir,
R_OK|X_OK, "--client-config-dir");
- /* ** Script hooks ** */
- errs |= check_file_access (CHKACC_FILE, options->client_connect_script,
- R_OK|X_OK, "--client-connect script");
- errs |= check_file_access (CHKACC_FILE, options->client_disconnect_script,
- R_OK|X_OK, "--client-disconnect script");
- errs |= check_file_access (CHKACC_FILE, options->auth_user_pass_verify_script,
- R_OK|X_OK, "--auth-user-pass-verify script");
- errs |= check_file_access (CHKACC_FILE, options->tls_verify,
- R_OK|X_OK, "--tls-verify script");
- errs |= check_file_access (CHKACC_FILE, options->up_script,
- R_OK|X_OK, "--up script");
- errs |= check_file_access (CHKACC_FILE, options->down_script,
- R_OK|X_OK, "--down script");
- errs |= check_file_access (CHKACC_FILE, options->ipchange,
- R_OK|X_OK, "--ipchange script");
- errs |= check_file_access (CHKACC_FILE, options->route_script,
- R_OK|X_OK, "--route-up script");
- errs |= check_file_access (CHKACC_FILE, options->route_predown_script,
- R_OK|X_OK, "--route-pre-down script");
- errs |= check_file_access (CHKACC_FILE, options->learn_address_script,
- R_OK|X_OK, "--learn-address script");
+
+ /* ** Script hooks that accept an optionally quoted and/or escaped executable path, ** */
+ /* ** optionally followed by arguments ** */
+ errs |= check_cmd_access (options->auth_user_pass_verify_script,
+ "--auth-user-pass-verify script");
+ errs |= check_cmd_access (options->client_connect_script,
+ "--client-connect script");
+ errs |= check_cmd_access (options->client_disconnect_script,
+ "--client-disconnect script");
+ errs |= check_cmd_access (options->tls_verify,
+ "--tls-verify script");
+ errs |= check_cmd_access (options->up_script,
+ "--up script");
+ errs |= check_cmd_access (options->down_script,
+ "--down script");
+ errs |= check_cmd_access (options->ipchange,
+ "--ipchange script");
+ errs |= check_cmd_access (options->route_script,
+ "--route-up script");
+ errs |= check_cmd_access (options->route_predown_script,
+ "--route-pre-down script");
+ errs |= check_cmd_access (options->learn_address_script,
+ "--learn-address script");
#endif /* P2MP_SERVER */
if (errs)
diff --git a/openvpn/src/openvpn/socket.c b/openvpn/src/openvpn/socket.c
index 364b97e5..e794c113 100644
--- a/openvpn/src/openvpn/socket.c
+++ b/openvpn/src/openvpn/socket.c
@@ -38,6 +38,8 @@
#include "ps.h"
#include "manage.h"
#include "misc.h"
+#include "manage.h"
+
#include "memdbg.h"
@@ -984,6 +986,11 @@ create_socket (struct link_socket *sock)
{
ASSERT (0);
}
+#ifdef TARGET_ANDROID
+ management->connection.fdtosend = sock->sd;
+ management_auth_token (management,"'PROTECT-FD'");
+#endif
+
}
/*
@@ -1341,7 +1348,7 @@ socket_connect (socket_descriptor_t *sd,
}
/* For stream protocols, allocate a buffer to build up packet.
- Called after frame has been finalized. */
+ Called after frame has been finalized. */
static void
socket_frame_init (const struct frame *frame, struct link_socket *sock)
diff --git a/openvpn/src/openvpnserv/openvpnserv_resources.rc b/openvpn/src/openvpnserv/openvpnserv_resources.rc
index 9b79cb7c..7980193b 100644
--- a/openvpn/src/openvpnserv/openvpnserv_resources.rc
+++ b/openvpn/src/openvpnserv/openvpnserv_resources.rc
@@ -5,6 +5,8 @@
#endif
#include <winresrc.h>
+#pragma code_page(65001) /* UTF8 */
+
LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
VS_VERSION_INFO VERSIONINFO
@@ -28,7 +30,7 @@ BEGIN
VALUE "FileDescription", "OpenVPN Service"
VALUE "FileVersion", PACKAGE_VERSION ".0"
VALUE "InternalName", "OpenVPN"
- VALUE "LegalCopyright", "Copyright © The OpenVPN Project"
+ VALUE "LegalCopyright", "Copyright © The OpenVPN Project"
VALUE "OriginalFilename", "openvpnserv.exe"
VALUE "ProductName", "OpenVPN"
VALUE "ProductVersion", PACKAGE_VERSION ".0"
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 09:29:49 +0000