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nextcloud-desktop/client/csync_client.c

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/*
* libcsync -- a library to sync a replica with another
*
* Copyright (c) 2006-2007 by Andreas Schneider <mail@cynapses.org>
*
* 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.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
#include <unistd.h>
#include <getopt.h>
#include <errno.h>
#include <csync.h>
#include <c_string.h>
#include <c_alloc.h>
#include "csync_auth.h"
#include "../src/std/c_private.h"
#include "../src/csync_misc.h"
const char *csync_program_version = "csync commandline client "
CSYNC_STRINGIFY(LIBCSYNC_VERSION);
/* Program documentation. */
static char doc[] = "Usage: csync [OPTION...] LOCAL REMOTE\n\
csync -- a user level file synchronizer which synchronizes the files\n\
at LOCAL with the ones at REMOTE.\n\
\n\
-c, --conflict-copys Create conflict copys if file changed on both\n\
sides.\n\
-d, --debug-level=DEBUGLVL Set debug level\n\
--disable-statedb Disable the usage and creation of a statedb.\n\
--dry-run This runs only update detection and reconcilation.\n\
\n\
--exclude-file=<file> Add an additional exclude file\n"
#ifdef WITH_ICONV
" --iconv=codec Request charset conversion of local filenames\n"
#endif
"-p --proxy=<host:port> Use an http proxy (ownCloud module only)\n\
--test-statedb Test creation of the statedb. Runs update\n\
detection.\n\
--test-update Test the update detection\n\
-?, --help Give this help list\n\
--usage Give a short usage message\n\
-V, --version Print program version\n\
";
/* The options we understand. */
static const struct option long_options[] =
{
{"exclude-file", required_argument, 0, 0 },
{"debug-level", required_argument, 0, 'd' },
{"disable-statedb", no_argument, 0, 0 },
#ifdef WITH_ICONV
{"iconv", required_argument, 0, 0 },
#endif
{"dry-run", no_argument, 0, 0 },
{"test-statedb", no_argument, 0, 0 },
{"conflict-copies", no_argument, 0, 'c' },
{"test-update", no_argument, 0, 0 },
{"version", no_argument, 0, 'V' },
{"usage", no_argument, 0, 'h' },
{"proxy", required_argument, 0, 'p' },
{0, 0, 0, 0}
};
/* Used by main to communicate with parse_opt. */
struct argument_s {
char *args[2]; /* SOURCE and DESTINATION */
char *exclude_file;
int debug_level;
char *iconv;
int disable_statedb;
int create_statedb;
int update;
int reconcile;
int propagate;
bool with_conflict_copys;
char *http_proxy;
};
static void print_version()
{
printf( "%s\n", csync_program_version );
exit(0);
}
static void print_help()
{
printf( "%s\n", doc );
exit(0);
}
static int parse_args(struct argument_s *csync_args, int argc, char **argv)
{
while(optind < argc) {
int c = -1;
struct option *opt = NULL;
int result = getopt_long( argc, argv, "d:cVhp:", long_options, &c );
if( result == -1 ) {
break;
}
switch(result) {
case 'd':
if (optarg != NULL) {
csync_args->debug_level = atoi(optarg);
}
break;
case 'c':
csync_args->with_conflict_copys = true;
/* printf("Argument: With conflict copies\n"); */
break;
case 'V':
print_version();
break;
case 'h':
print_help();
break;
case 'p':
if (optarg != NULL) {
csync_args->http_proxy = c_strdup(optarg);
}
break;
case 0:
opt = (struct option*)&(long_options[c]);
if(c_streq(opt->name, "exclude-file")) {
csync_args->exclude_file = c_strdup(optarg);
/* printf("Argument: exclude-file: %s\n", csync_args->exclude_file); */
} else if(c_streq(opt->name, "disable-statedb")) {
csync_args->disable_statedb = 1;
} else if(c_streq(opt->name, "test-update")) {
csync_args->create_statedb = 0;
csync_args->update = 1;
csync_args->reconcile = 0;
csync_args->propagate = 0;
/* printf("Argument: test-update\n"); */
} else if(c_streq(opt->name, "dry-run")) {
csync_args->create_statedb = 0;
csync_args->update = 1;
csync_args->reconcile = 1;
csync_args->propagate = 0;
/* printf("Argument: dry-run\n" ); */
} else if(c_streq(opt->name, "iconv")) {
csync_args->iconv = c_strdup(optarg);
/* printf("Argument: iconv\n" ); */
} else if(c_streq(opt->name, "http-proxy")) {
csync_args->http_proxy = c_strdup(optarg);
} else if(c_streq(opt->name, "test-statedb")) {
csync_args->create_statedb = 1;
csync_args->update = 1;
csync_args->reconcile = 0;
csync_args->propagate = 0;
/* printf("Argument: test-statedb\n"); */
} else {
fprintf(stderr, "Argument: No idea what!\n");
}
break;
default:
break;
}
}
return optind;
}
int main(int argc, char **argv) {
int rc = 0;
CSYNC *csync;
char errbuf[256] = {0};
int curser = 0;
int i;
struct argument_s arguments;
/* Default values. */
arguments.exclude_file = NULL;
arguments.debug_level = 4;
arguments.iconv = NULL;
arguments.disable_statedb = 0;
arguments.create_statedb = 0;
arguments.update = 1;
arguments.reconcile = 1;
arguments.propagate = 1;
arguments.with_conflict_copys = false;
arguments.http_proxy = NULL;
parse_args(&arguments, argc, argv);
/* two options must remain as source and target */
/* printf("ARGC: %d -> optind: %d\n", argc, optind ); */
if( argc - optind < 2 ) {
print_help();
}
if (csync_create(&csync, argv[optind], argv[optind+1]) < 0) {
fprintf(stderr, "csync_create: failed\n");
exit(1);
}
/*
* Protect password from ps listing
* Find and replace :password@ by :********@
*/
for (i = 0; i < argc; i++) {
if (csync_fnmatch("*://*:*@*", argv[i], 0) == 0) {
curser = strlen(argv[i]);
while(curser > 0 && argv[i][curser] != '@') {
curser--;
}
while(curser > 0 && argv[i][curser - 1] != ':') {
curser--;
argv[i][curser] = '*';
}
}
}
csync_set_auth_callback(csync, csync_getpass);
if (arguments.debug_level) {
csync_set_log_verbosity(csync, arguments.debug_level);
}
if (arguments.disable_statedb) {
csync_disable_statedb(csync);
}
#ifdef WITH_ICONV
if (arguments.iconv) {
csync_set_iconv_codec(arguments.iconv);
}
#endif
if(arguments.with_conflict_copys)
{
csync_enable_conflictcopys(csync);
}
if (csync_init(csync) < 0) {
perror("csync_init");
rc = 1;
goto out;
}
if (arguments.http_proxy) {
char *host = NULL;
int port = 0;
char *colon;
host = arguments.http_proxy;
colon = strrchr( arguments.http_proxy, ':');
if( colon ) {
port = atoi(colon+1);
*colon = '\0';
}
csync_set_module_property(csync, "proxy_type", (void*) "HttpProxy");
csync_set_module_property(csync, "proxy_host", host);
if( port )
csync_set_module_property(csync, "proxy_port", (void*) &port);
}
if (arguments.exclude_file != NULL) {
if (csync_add_exclude_list(csync, arguments.exclude_file) < 0) {
strerror_r(errno, errbuf, sizeof(errbuf));
fprintf(stderr, "csync_add_exclude_list - %s: %s\n",
arguments.exclude_file, errbuf);
rc = 1;
goto out;
}
}
if (arguments.update) {
if (csync_update(csync) < 0) {
perror("csync_update");
rc = 1;
goto out;
}
}
if (arguments.reconcile) {
if (csync_reconcile(csync) < 0) {
perror("csync_reconcile");
rc = 1;
goto out;
}
}
if (arguments.propagate) {
if (csync_propagate(csync) < 0) {
perror("csync_propagate");
rc = 1;
goto out;
}
}
if (arguments.create_statedb) {
csync_set_status(csync, 0xFFFF);
}
out:
csync_destroy(csync);
return rc;
}
/* vim: set ts=8 sw=2 et cindent: */
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