-After applying this patch, run these commands for a successful build:
-
- autoconf
- autoheader
- ./configure
- make proto
- make
-
-Casey Marshall writes:
+Casey Marshall wrote:
I've been hacking together a way to use rsync with OpenSSL, and have
attached my current patch against a recent CVS tree. The details of
All warnings apply; I don't do C programming all that often, so I
can't say if I've left any cleanup/compatibility errors in the code.
+To use this patch, run these commands for a successful build:
---- orig/Makefile.in 2006-01-14 08:14:29
-+++ Makefile.in 2004-10-08 20:17:06
-@@ -38,7 +38,7 @@ OBJS3=progress.o pipe.o
+ patch -p1 <patches/openssl-support.diff
+ ./prepare-source
+ ./configure
+ make
+
+diff --git a/Makefile.in b/Makefile.in
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -40,7 +40,7 @@ OBJS3=progress.o pipe.o
DAEMON_OBJ = params.o loadparm.o clientserver.o access.o connection.o authenticate.o
popt_OBJS=popt/findme.o popt/popt.o popt/poptconfig.o \
popt/popthelp.o popt/poptparse.o
-OBJS=$(OBJS1) $(OBJS2) $(OBJS3) $(DAEMON_OBJ) $(LIBOBJ) $(ZLIBOBJ) @BUILD_POPT@
+OBJS=$(OBJS1) $(OBJS2) $(OBJS3) $(DAEMON_OBJ) $(LIBOBJ) $(ZLIBOBJ) @BUILD_POPT@ @SSL_OBJS@
- TLS_OBJ = tls.o syscall.o lib/compat.o lib/snprintf.o lib/permstring.o
-
---- orig/cleanup.c 2006-02-02 02:41:08
-+++ cleanup.c 2005-01-10 10:43:22
-@@ -22,6 +22,9 @@
- #include "rsync.h"
+ TLS_OBJ = tls.o syscall.o lib/compat.o lib/snprintf.o lib/permstring.o lib/sysxattrs.o @BUILD_POPT@
+diff --git a/cleanup.c b/cleanup.c
+--- a/cleanup.c
++++ b/cleanup.c
+@@ -25,6 +25,9 @@
+ extern int am_server;
+ extern int am_daemon;
extern int io_error;
-+#if HAVE_OPENSSL
++#ifdef HAVE_OPENSSL
+extern int use_ssl;
+#endif
extern int keep_partial;
- extern int log_got_error;
+ extern int got_xfer_error;
extern char *partial_dir;
-@@ -101,6 +104,11 @@ void _exit_cleanup(int code, const char
- SIGACTION(SIGUSR1, SIG_IGN);
- SIGACTION(SIGUSR2, SIG_IGN);
+@@ -121,6 +124,14 @@ NORETURN void _exit_cleanup(int code, const char *file, int line)
+ code, file, line);
+ }
-+#if HAVE_OPENSSL
-+ if (use_ssl)
-+ end_tls();
++#ifdef HAVE_OPENSSL
++ /* FALLTHROUGH */
++#include "case_N.h"
++
++ if (use_ssl)
++ end_tls();
+#endif
+
- if (verbose > 3) {
- rprintf(FINFO,"_exit_cleanup(code=%d, file=%s, line=%d): entered\n",
- code, file, line);
---- orig/clientserver.c 2006-02-01 19:37:05
-+++ clientserver.c 2005-04-09 17:39:57
-@@ -45,6 +45,9 @@ extern int io_timeout;
- extern int orig_umask;
- extern int no_detach;
- extern int default_af_hint;
-+#if HAVE_OPENSSL
+ /* FALLTHROUGH */
+ #include "case_N.h"
+
+diff --git a/clientserver.c b/clientserver.c
+--- a/clientserver.c
++++ b/clientserver.c
+@@ -31,6 +31,9 @@ extern int am_sender;
+ extern int am_server;
+ extern int am_daemon;
+ extern int am_root;
++#ifdef HAVE_OPENSSL
+extern int use_ssl;
+#endif
- extern char *bind_address;
- extern char *sockopts;
- extern char *config_file;
-@@ -104,8 +107,18 @@ int start_socket_client(char *host, char
- set_socket_options(fd, sockopts);
+ extern int rsync_port;
+ extern int protect_args;
+ extern int ignore_errors;
+@@ -126,8 +129,18 @@ int start_socket_client(char *host, int remote_argc, char *remote_argv[],
+ #endif
- ret = start_inband_exchange(user, path, fd, fd, argc);
+ ret = start_inband_exchange(fd, fd, user, remote_argc, remote_argv);
+ if (ret)
+ return ret;
+
-+#if HAVE_OPENSSL
++#ifdef HAVE_OPENSSL
+ if (use_ssl) {
+ int f_in = get_tls_rfd();
+ int f_out = get_tls_wfd();
+ return client_run(fd, fd, -1, argc, argv);
}
- int start_inband_exchange(char *user, char *path, int f_in, int f_out,
-@@ -166,6 +179,33 @@ int start_inband_exchange(char *user, ch
+ static int exchange_protocols(int f_in, int f_out, char *buf, size_t bufsiz, int am_client)
+@@ -270,6 +283,32 @@ int start_inband_exchange(int f_in, int f_out, const char *user, int argc, char
if (verbose > 1)
- print_child_argv(sargs);
+ print_child_argv("sending daemon args:", sargs);
-+#if HAVE_OPENSSL
++#ifdef HAVE_OPENSSL
+ if (use_ssl) {
+ io_printf(f_out, "#starttls\n");
+ while (1) {
-+ if (!read_line(f_in, line, sizeof(line)-1)) {
++ if (!read_line_old(f_in, line, sizeof line)) {
+ rprintf(FERROR, "rsync: did not receive reply to #starttls\n");
+ return -1;
+ }
+ rprintf(FERROR, "%s\n", line);
+ return -1;
+ }
-+ if (strcmp(line, "@RSYNCD: starttls") == 0) {
++ if (strcmp(line, "@RSYNCD: starttls") == 0)
+ break;
-+ }
+ rprintf(FINFO, "%s\n", line);
+ }
+ if (start_tls(f_in, f_out)) {
+ }
+#endif
+
- p = strchr(path,'/');
- if (p) *p = 0;
- io_printf(f_out, "%s\n", path);
-@@ -194,6 +234,10 @@ int start_inband_exchange(char *user, ch
+ io_printf(f_out, "%.*s\n", modlen, modname);
+
+ /* Old servers may just drop the connection here,
+@@ -295,6 +334,10 @@ int start_inband_exchange(int f_in, int f_out, const char *user, int argc, char
* server to terminate the listing of modules.
* We don't want to go on and transfer
* anything; just exit. */
-+#if HAVE_OPENSSL
++#ifdef HAVE_OPENSSL
+ if (use_ssl)
+ end_tls();
+#endif
exit(0);
}
-@@ -201,6 +245,10 @@ int start_inband_exchange(char *user, ch
+@@ -302,6 +345,10 @@ int start_inband_exchange(int f_in, int f_out, const char *user, int argc, char
rprintf(FERROR, "%s\n", line);
/* This is always fatal; the server will now
* close the socket. */
-+#if HAVE_OPENSSL
++#ifdef HAVE_OPENSSL
+ if (use_ssl)
+ end_tls();
+#endif
return -1;
}
-@@ -716,6 +764,7 @@ static void send_listing(int fd)
- io_printf(fd,"@RSYNCD: EXIT\n");
- }
-
-+
- /* this is called when a connection is established to a client
- and we want to start talking. The setup of the system is done from
- here */
-@@ -768,6 +817,9 @@ int start_daemon(int f_in, int f_out)
- if (protocol_version > remote_protocol)
- protocol_version = remote_protocol;
+@@ -935,6 +982,9 @@ int start_daemon(int f_in, int f_out)
+ if (exchange_protocols(f_in, f_out, line, sizeof line, 0) < 0)
+ return -1;
-+#if HAVE_OPENSSL
++#ifdef HAVE_OPENSSL
+retry:
+#endif
line[0] = 0;
- if (!read_line(f_in, line, sizeof line - 1))
+ if (!read_line_old(f_in, line, sizeof line))
return -1;
-@@ -777,6 +829,20 @@ int start_daemon(int f_in, int f_out)
+@@ -946,6 +996,20 @@ int start_daemon(int f_in, int f_out)
return -1;
}
-+#if HAVE_OPENSSL
++#ifdef HAVE_OPENSSL
+ if (use_ssl && strcmp(line, "#starttls") == 0) {
+ io_printf(f_out, "@RSYNCD: starttls\n");
+ if (start_tls(f_in, f_out)) {
if (*line == '#') {
/* it's some sort of command that I don't understand */
io_printf(f_out, "@ERROR: Unknown command '%s'\n", line);
---- orig/configure.in 2006-02-02 02:41:09
-+++ configure.in 2004-07-03 20:22:28
-@@ -282,6 +282,21 @@ if test x"$enable_locale" != x"no"; then
+diff --git a/configure.in b/configure.in
+--- a/configure.in
++++ b/configure.in
+@@ -295,6 +295,21 @@ if test x"$enable_locale" != x"no"; then
AC_DEFINE(CONFIG_LOCALE)
fi
AC_MSG_CHECKING([whether to call shutdown on all sockets])
case $host_os in
*cygwin* ) AC_MSG_RESULT(yes)
---- orig/options.c 2006-02-02 11:40:45
-+++ options.c 2006-02-02 11:49:06
-@@ -167,6 +167,14 @@ int log_format_has_o_or_i = 0;
+diff --git a/options.c b/options.c
+--- a/options.c
++++ b/options.c
+@@ -185,6 +185,14 @@ int logfile_format_has_o_or_i = 0;
int always_checksum = 0;
int list_only = 0;
-+#if HAVE_OPENSSL
++#ifdef HAVE_OPENSSL
+int use_ssl = 0;
+char *ssl_cert_path = NULL;
+char *ssl_key_path = NULL;
#define MAX_BATCH_NAME_LEN 256 /* Must be less than MAXPATHLEN-13 */
char *batch_name = NULL;
-@@ -195,6 +203,7 @@ static void print_rsync_version(enum log
- char const *hardlinks = "no ";
+@@ -225,6 +233,7 @@ static void print_rsync_version(enum logcode f)
char const *links = "no ";
+ char const *iconv = "no ";
char const *ipv6 = "no ";
+ char const *ssl = "no ";
STRUCT_STAT *dumstat;
- #ifdef HAVE_SOCKETPAIR
-@@ -217,6 +226,10 @@ static void print_rsync_version(enum log
- ipv6 = "";
+ #if SUBPROTOCOL_VERSION != 0
+@@ -257,6 +266,9 @@ static void print_rsync_version(enum logcode f)
+ #if defined HAVE_LUTIMES && defined HAVE_UTIMES
+ symtimes = "";
#endif
-
-+#if HAVE_OPENSSL
++#ifdef HAVE_OPENSSL
+ ssl = "";
+#endif
-+
- rprintf(f, "%s version %s protocol version %d\n",
- RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION);
- rprintf(f, "Copyright (C) 1996-2006 by Andrew Tridgell, Wayne Davison, and others.\n");
-@@ -229,9 +242,9 @@ static void print_rsync_version(enum log
- /* Note that this field may not have type ino_t. It depends
- * on the complicated interaction between largefile feature
- * macros. */
-- rprintf(f, " %sinplace, %sIPv6, "
-+ rprintf(f, " %sinplace, %sIPv6, %sSSL, "
- "%d-bit system inums, %d-bit internal inums\n",
-- have_inplace, ipv6,
-+ have_inplace, ipv6, ssl,
- (int) (sizeof dumstat->st_ino * 8),
- (int) (sizeof (int64) * 8));
+
+ rprintf(f, "%s version %s protocol version %d%s\n",
+ RSYNC_NAME, RSYNC_VERSION, PROTOCOL_VERSION, subprotocol);
+@@ -270,8 +282,8 @@ static void print_rsync_version(enum logcode f)
+ (int)(sizeof (int64) * 8));
+ rprintf(f, " %ssocketpairs, %shardlinks, %ssymlinks, %sIPv6, batchfiles, %sinplace,\n",
+ got_socketpair, hardlinks, links, ipv6, have_inplace);
+- rprintf(f, " %sappend, %sACLs, %sxattrs, %siconv, %ssymtimes\n",
+- have_inplace, acls, xattrs, iconv, symtimes);
++ rprintf(f, " %sappend, %sACLs, %sxattrs, %siconv, %ssymtimes, %sSSL\n",
++ have_inplace, acls, xattrs, iconv, symtimes, ssl);
+
#ifdef MAINTAINER_MODE
-@@ -371,6 +384,13 @@ void usage(enum logcode F)
+ rprintf(f, "Panic Action: \"%s\"\n", get_panic_action());
+@@ -433,6 +445,13 @@ void usage(enum logcode F)
+ #endif
rprintf(F," -4, --ipv4 prefer IPv4\n");
rprintf(F," -6, --ipv6 prefer IPv6\n");
- #endif
-+#if HAVE_OPENSSL
++#ifdef HAVE_OPENSSL
+ rprintf(F," --ssl allow socket connections to use SSL\n");
+ rprintf(F," --ssl-cert=FILE path to daemon's SSL certificate\n");
+ rprintf(F," --ssl-key=FILE path to daemon's SSL private key\n");
+ rprintf(F," --ssl-ca-certs=FILE path to trusted CA certificates\n");
+#endif
rprintf(F," --version print version number\n");
- rprintf(F," --help show this help screen\n");
+ rprintf(F,"(-h) --help show this help (-h works with no other options)\n");
-@@ -383,7 +403,7 @@ enum {OPT_VERSION = 1000, OPT_DAEMON, OP
+@@ -446,7 +465,7 @@ enum {OPT_VERSION = 1000, OPT_DAEMON, OPT_SENDER, OPT_EXCLUDE, OPT_EXCLUDE_FROM,
OPT_FILTER, OPT_COMPARE_DEST, OPT_COPY_DEST, OPT_LINK_DEST, OPT_HELP,
OPT_INCLUDE, OPT_INCLUDE_FROM, OPT_MODIFY_WINDOW, OPT_MIN_SIZE, OPT_CHMOD,
OPT_READ_BATCH, OPT_WRITE_BATCH, OPT_ONLY_WRITE_BATCH, OPT_MAX_SIZE,
-- OPT_NO_D,
-+ OPT_NO_D, OPT_USE_SSL,
+- OPT_NO_D, OPT_APPEND, OPT_NO_ICONV,
++ OPT_NO_D, OPT_APPEND, OPT_NO_ICONV, OPT_USE_SSL,
OPT_SERVER, OPT_REFUSED_BASE = 9000};
static struct poptOption long_options[] = {
-@@ -520,6 +540,13 @@ static struct poptOption long_options[]
+@@ -649,6 +668,13 @@ static struct poptOption long_options[] = {
{"checksum-seed", 0, POPT_ARG_INT, &checksum_seed, 0, 0, 0 },
{"server", 0, POPT_ARG_NONE, 0, OPT_SERVER, 0, 0 },
{"sender", 0, POPT_ARG_NONE, 0, OPT_SENDER, 0, 0 },
-+#if HAVE_OPENSSL
++#ifdef HAVE_OPENSSL
+ {"ssl", 0, POPT_ARG_NONE, 0, OPT_USE_SSL, 0, 0},
+ {"ssl-cert", 0, POPT_ARG_STRING, &ssl_cert_path, OPT_USE_SSL, 0, 0},
+ {"ssl-key", 0, POPT_ARG_STRING, &ssl_key_path, OPT_USE_SSL, 0, 0},
/* All the following options switch us into daemon-mode option-parsing. */
{"config", 0, POPT_ARG_STRING, 0, OPT_DAEMON, 0, 0 },
{"daemon", 0, POPT_ARG_NONE, 0, OPT_DAEMON, 0, 0 },
-@@ -1057,6 +1084,12 @@ int parse_arguments(int *argc, const cha
- usage(FINFO);
- exit_cleanup(0);
+@@ -674,6 +700,13 @@ static void daemon_usage(enum logcode F)
+ rprintf(F," -v, --verbose increase verbosity\n");
+ rprintf(F," -4, --ipv4 prefer IPv4\n");
+ rprintf(F," -6, --ipv6 prefer IPv6\n");
++#ifdef HAVE_OPENSSL
++ rprintf(F," --ssl allow socket connections to use SSL\n");
++ rprintf(F," --ssl-cert=FILE path to daemon's SSL certificate\n");
++ rprintf(F," --ssl-key=FILE path to daemon's SSL private key\n");
++ rprintf(F," --ssl-key-passwd=PASS password for PEM-encoded private key\n");
++ rprintf(F," --ssl-ca-certs=FILE path to trusted CA certificates\n");
++#endif
+ rprintf(F," --help show this help screen\n");
+
+ rprintf(F,"\n");
+@@ -698,6 +731,13 @@ static struct poptOption long_daemon_options[] = {
+ {"protocol", 0, POPT_ARG_INT, &protocol_version, 0, 0, 0 },
+ {"server", 0, POPT_ARG_NONE, &am_server, 0, 0, 0 },
+ {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
++#ifdef HAVE_OPENSSL
++ {"ssl", 0, POPT_ARG_NONE, 0, OPT_USE_SSL, 0, 0},
++ {"ssl-cert", 0, POPT_ARG_STRING, &ssl_cert_path, OPT_USE_SSL, 0, 0},
++ {"ssl-key", 0, POPT_ARG_STRING, &ssl_key_path, OPT_USE_SSL, 0, 0},
++ {"ssl-key-passwd", 0, POPT_ARG_STRING, &ssl_key_passwd, OPT_USE_SSL, 0, 0},
++ {"ssl-ca-certs", 0, POPT_ARG_STRING, &ssl_ca_path, OPT_USE_SSL, 0, 0},
++#endif
+ {"verbose", 'v', POPT_ARG_NONE, 0, 'v', 0, 0 },
+ {"no-verbose", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
+ {"no-v", 0, POPT_ARG_VAL, &verbose, 0, 0, 0 },
+@@ -979,6 +1019,12 @@ int parse_arguments(int *argc_p, const char ***argv_p)
+ verbose++;
+ break;
+
++#ifdef HAVE_OPENSSL
++ case OPT_USE_SSL:
++ use_ssl = 1;
++ break;
++#endif
++
+ default:
+ rprintf(FERROR,
+ "rsync: %s: %s (in daemon mode)\n",
+@@ -1002,6 +1048,17 @@ int parse_arguments(int *argc_p, const char ***argv_p)
+ exit_cleanup(RERR_SYNTAX);
+ }
++#ifdef HAVE_OPENSSL
++ if (use_ssl) {
++ if (init_tls()) {
++ snprintf(err_buf, sizeof(err_buf),
++ "Openssl error: %s\n",
++ get_ssl_error());
++ return 0;
++ }
++ }
++#endif
++
+ *argv_p = argv = poptGetArgs(pc);
+ *argc_p = argc = count_args(argv);
+ am_starting_up = 0;
+@@ -1260,6 +1317,12 @@ int parse_arguments(int *argc_p, const char ***argv_p)
+ return 0;
+ #endif
+
++#ifdef HAVE_OPENSSL
+ case OPT_USE_SSL:
-+#if HAVE_OPENSSL
+ use_ssl = 1;
-+#endif
+ break;
++#endif
+
default:
/* A large opt value means that set_refuse_options()
* turned this option off. */
-@@ -1335,6 +1368,17 @@ int parse_arguments(int *argc, const cha
+@@ -1593,6 +1656,17 @@ int parse_arguments(int *argc_p, const char ***argv_p)
if (delay_updates && !partial_dir)
partial_dir = tmp_partialdir;
-+#if HAVE_OPENSSL
++#ifdef HAVE_OPENSSL
+ if (use_ssl) {
+ if (init_tls()) {
+ snprintf(err_buf, sizeof(err_buf),
if (inplace) {
#ifdef HAVE_FTRUNCATE
if (partial_dir) {
-@@ -1746,11 +1790,28 @@ char *check_for_hostspec(char *s, char *
- {
+@@ -2085,10 +2159,27 @@ char *check_for_hostspec(char *s, char **host_ptr, int *port_ptr)
char *p;
int not_host;
-+ int url_prefix_len = sizeof URL_PREFIX - 1;
-
+ int hostlen;
+-
- if (port_ptr && strncasecmp(URL_PREFIX, s, strlen(URL_PREFIX)) == 0) {
++ int url_prefix_len = sizeof URL_PREFIX - 1;
++
+ if (!port_ptr)
+ url_prefix_len = 0;
+ else if (strncasecmp(URL_PREFIX, s, url_prefix_len) != 0) {
-+#if HAVE_OPENSSL
++#ifdef HAVE_OPENSSL
+ url_prefix_len = sizeof SSL_URL_PREFIX - 1;
+ if (strncasecmp(SSL_URL_PREFIX, s, url_prefix_len) != 0)
+ url_prefix_len = 0;
+ }
+ if (url_prefix_len) {
char *path;
- int hostlen;
- s += strlen(URL_PREFIX);
+ s += url_prefix_len;
if ((p = strchr(s, '/')) != NULL) {
hostlen = p - s;
path = p + 1;
---- orig/rsync.h 2006-02-02 02:41:09
-+++ rsync.h 2004-10-08 21:01:33
-@@ -32,6 +32,7 @@
+diff --git a/rsync.h b/rsync.h
+--- a/rsync.h
++++ b/rsync.h
+@@ -31,6 +31,7 @@
#define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock"
#define URL_PREFIX "rsync://"
+#define SSL_URL_PREFIX "rsyncs://"
- #define BACKUP_SUFFIX "~"
-
-@@ -410,6 +411,11 @@ enum msgcode {
+ #define SYMLINK_PREFIX "/rsyncd-munged/"
+ #define SYMLINK_PREFIX_LEN ((int)sizeof SYMLINK_PREFIX - 1)
+@@ -549,6 +550,11 @@ typedef unsigned int size_t;
# define SIZEOF_INT64 SIZEOF_OFF_T
#endif
-+#if HAVE_OPENSSL
++#ifdef HAVE_OPENSSL
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#endif
+
- /* Starting from protocol version 26, we always use 64-bit
- * ino_t and dev_t internally, even if this platform does not
- * allow files to have 64-bit inums. That's because the
---- orig/ssl.c 2004-10-08 19:37:22
-+++ ssl.c 2004-10-08 19:37:22
-@@ -0,0 +1,366 @@
+ struct hashtable {
+ void *nodes;
+ int32 size, entries;
+diff --git a/ssl.c b/ssl.c
+new file mode 100644
+--- /dev/null
++++ b/ssl.c
+@@ -0,0 +1,370 @@
+/* -*- c-file-style: "linux" -*-
-+ * ssl.c: operations for negotiating SSL rsync connections.
++ * ssl.c: operations for negotiating SSL rsync connections.
+ *
+ * Copyright (C) 2003 Casey Marshall <rsdio@metastatic.org>
+ *
+ * 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.
-+ *
++ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
-+ *
++ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+#include "rsync.h"
+
-+#if HAVE_SYS_SELECT_H
++#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#else
+#include <sys/time.h>
+static int ssl_running;
+static int ssl_pid = -1;
+
++#ifdef HAVE_SIGACTION
++static struct sigaction sigact;
++#endif
++
+/**
+ * A non-interactive callback to be passed to SSL_CTX_set_default_password_cb,
+ * which merely copies the value of ssl_key_passwd into buf. This is
+ return 0;
+ }
+
-+ signal(SIGUSR1, tls_sigusr1);
++ SIGACTION(SIGUSR1, tls_sigusr1);
+ ssl = SSL_new(ssl_ctx);
+ if (!ssl)
+ goto closed;