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desktop/csync/src/csync.c

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/*
* libcsync -- a library to sync a directory with another
*
* Copyright (c) 2008-2013 by Andreas Schneider <asn@cryptomilk.org>
* Copyright (c) 2012-2013 by Klaas Freitag <freitag@owncloud.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <sys/types.h>
#include <stdbool.h>
#ifdef HAVE_ICONV_H
#include <iconv.h>
#endif
#ifdef HAVE_SYS_ICONV_H
#include <sys/iconv.h>
#endif
#include "c_lib.h"
#include "csync_private.h"
#include "csync_config.h"
#include "csync_exclude.h"
#include "csync_lock.h"
#include "csync_statedb.h"
#include "csync_time.h"
#include "csync_util.h"
#include "csync_misc.h"
#include "std/c_private.h"
#include "csync_update.h"
#include "csync_reconcile.h"
#include "vio/csync_vio.h"
#include "csync_log.h"
#include "csync_rename.h"
static int _key_cmp(const void *key, const void *data) {
uint64_t a;
csync_file_stat_t *b;
a = *(uint64_t *) (key);
b = (csync_file_stat_t *) data;
if (a < b->phash) {
return -1;
} else if (a > b->phash) {
return 1;
}
return 0;
}
static int _data_cmp(const void *key, const void *data) {
csync_file_stat_t *a, *b;
a = (csync_file_stat_t *) key;
b = (csync_file_stat_t *) data;
if (a->phash < b->phash) {
return -1;
} else if (a->phash > b->phash) {
return 1;
}
return 0;
}
int csync_create(CSYNC **csync, const char *local, const char *remote) {
CSYNC *ctx;
size_t len = 0;
char *home;
int rc;
ctx = c_malloc(sizeof(CSYNC));
if (ctx == NULL) {
return -1;
}
ctx->status_code = CSYNC_STATUS_OK;
/* remove trailing slashes */
len = strlen(local);
while(len > 0 && local[len - 1] == '/') --len;
ctx->local.uri = c_strndup(local, len);
if (ctx->local.uri == NULL) {
ctx->status_code = CSYNC_STATUS_MEMORY_ERROR;
free(ctx);
return -1;
}
/* remove trailing slashes */
len = strlen(remote);
while(len > 0 && remote[len - 1] == '/') --len;
ctx->remote.uri = c_strndup(remote, len);
if (ctx->remote.uri == NULL) {
ctx->status_code = CSYNC_STATUS_MEMORY_ERROR;
free(ctx);
return -1;
}
ctx->status_code = CSYNC_STATUS_OK;
ctx->options.max_depth = MAX_DEPTH;
ctx->options.max_time_difference = MAX_TIME_DIFFERENCE;
ctx->options.unix_extensions = 0;
ctx->options.with_conflict_copys=false;
ctx->options.local_only_mode = false;
ctx->pwd.uid = getuid();
ctx->pwd.euid = geteuid();
home = csync_get_user_home_dir();
if (home == NULL) {
SAFE_FREE(ctx->local.uri);
SAFE_FREE(ctx->remote.uri);
SAFE_FREE(ctx);
errno = ENOMEM;
ctx->status_code = CSYNC_STATUS_MEMORY_ERROR;
return -1;
}
rc = asprintf(&ctx->options.config_dir, "%s/%s", home, CSYNC_CONF_DIR);
SAFE_FREE(home);
if (rc < 0) {
SAFE_FREE(ctx->local.uri);
SAFE_FREE(ctx->remote.uri);
SAFE_FREE(ctx);
errno = ENOMEM;
ctx->status_code = CSYNC_STATUS_MEMORY_ERROR;
return -1;
}
ctx->local.list = 0;
ctx->remote.list = 0;
ctx->current_fs = NULL;
ctx->abort = false;
*csync = ctx;
return 0;
}
int csync_init(CSYNC *ctx) {
int rc;
time_t timediff = -1;
char *exclude = NULL;
char *lock = NULL;
char *config = NULL;
char errbuf[256] = {0};
if (ctx == NULL) {
errno = EBADF;
return -1;
}
ctx->status_code = CSYNC_STATUS_OK;
/* Do not initialize twice */
if (ctx->status & CSYNC_STATUS_INIT) {
return 1;
}
/* create dir if it doesn't exist */
if (! c_isdir(ctx->options.config_dir)) {
c_mkdirs(ctx->options.config_dir, 0700);
}
/* create lock file */
if (asprintf(&lock, "%s/%s", ctx->local.uri, CSYNC_LOCK_FILE) < 0) {
rc = -1;
ctx->status_code = CSYNC_STATUS_MEMORY_ERROR;
goto out;
}
if (csync_lock(lock) < 0) {
rc = -1;
ctx->status_code = CSYNC_STATUS_NO_LOCK;
goto out;
}
/* load config file */
if (asprintf(&config, "%s/%s", ctx->options.config_dir, CSYNC_CONF_FILE) < 0) {
ctx->status_code = CSYNC_STATUS_MEMORY_ERROR;
rc = -1;
goto out;
}
rc = csync_config_parse_file(ctx, config);
if (rc < 0) {
CSYNC_LOG(CSYNC_LOG_PRIORITY_WARN, "Could not load config file %s, using defaults.", config);
}
#ifndef _WIN32
/* load global exclude list */
if (asprintf(&exclude, "%s/ocsync/%s", SYSCONFDIR, CSYNC_EXCLUDE_FILE) < 0) {
rc = -1;
ctx->status_code = CSYNC_STATUS_MEMORY_ERROR;
goto out;
}
if (csync_exclude_load(ctx, exclude) < 0) {
C_STRERROR(errno, errbuf, sizeof(errbuf));
CSYNC_LOG(CSYNC_LOG_PRIORITY_WARN, "Could not load %s - %s", exclude,
errbuf);
}
SAFE_FREE(exclude);
#endif
/* load exclude list */
if (asprintf(&exclude, "%s/%s", ctx->options.config_dir,
CSYNC_EXCLUDE_FILE) < 0) {
ctx->status_code = CSYNC_STATUS_MEMORY_ERROR;
rc = -1;
goto out;
}
if (csync_exclude_load(ctx, exclude) < 0) {
C_STRERROR(errno, errbuf, sizeof(errbuf));
CSYNC_LOG(CSYNC_LOG_PRIORITY_INFO, "Could not load %s - %s", exclude,
errbuf);
}
ctx->local.type = LOCAL_REPLICA;
/* check for uri */
if ( !ctx->options.local_only_mode && csync_fnmatch("*://*", ctx->remote.uri, 0) == 0) {
size_t len;
len = strstr(ctx->remote.uri, "://") - ctx->remote.uri;
/* get protocol */
if (len > 0) {
char *module = NULL;
/* module name */
module = c_strndup(ctx->remote.uri, len);
if (module == NULL) {
rc = -1;
ctx->status_code = CSYNC_STATUS_MEMORY_ERROR;
goto out;
}
/* load module */
retry_vio_init:
rc = csync_vio_init(ctx, module, NULL);
if (rc < 0) {
len = strlen(module);
if (len > 0 && module[len-1] == 's') {
module[len-1] = '\0';
goto retry_vio_init;
}
/* Now vio init finally failed which means a module could not be found. */
CSYNC_LOG(CSYNC_LOG_PRIORITY_FATAL,
"The csync module %s could not be loaded.", module);
SAFE_FREE(module);
ctx->status_code = CSYNC_STATUS_NO_MODULE;
goto out;
}
SAFE_FREE(module);
ctx->remote.type = REMOTE_REPLICA;
}
} else {
ctx->remote.type = LOCAL_REPLICA;
}
if(!ctx->options.local_only_mode) {
if(ctx->module.capabilities.time_sync_required) {
timediff = csync_timediff(ctx);
if (timediff > ctx->options.max_time_difference) {
CSYNC_LOG(CSYNC_LOG_PRIORITY_FATAL,
"Clock skew detected. The time difference is greater than %d seconds!",
ctx->options.max_time_difference);
ctx->status_code = CSYNC_STATUS_TIMESKEW;
rc = -1;
goto out;
} else if (timediff < 0) {
CSYNC_LOG(CSYNC_LOG_PRIORITY_FATAL, "Synchronisation is not possible!");
ctx->status_code = CSYNC_STATUS_TIMESKEW;
rc = -1;
goto out;
}
} else {
CSYNC_LOG(CSYNC_LOG_PRIORITY_TRACE, "Module does not need time synchronization.");
}
if(ctx->module.capabilities.unix_extensions == -1) { /* detect */
if (csync_unix_extensions(ctx) < 0) {
CSYNC_LOG(CSYNC_LOG_PRIORITY_FATAL, "Could not detect filesystem type.");
ctx->status_code = CSYNC_STATUS_FILESYSTEM_UNKNOWN;
rc = -1;
goto out;
}
} else {
/* The module specifies the value for the unix_extensions. */
ctx->options.unix_extensions = ctx->module.capabilities.unix_extensions;
}
}
if (ctx->options.timeout)
csync_vio_set_property(ctx, "timeout", &ctx->options.timeout);
if (c_rbtree_create(&ctx->local.tree, _key_cmp, _data_cmp) < 0) {
ctx->status_code = CSYNC_STATUS_TREE_ERROR;
rc = -1;
goto out;
}
if (c_rbtree_create(&ctx->remote.tree, _key_cmp, _data_cmp) < 0) {
ctx->status_code = CSYNC_STATUS_TREE_ERROR;
rc = -1;
goto out;
}
ctx->status = CSYNC_STATUS_INIT;
csync_lock_remove(lock);
csync_set_module_property(ctx, "csync_context", ctx);
/* initialize random generator */
srand(time(NULL));
rc = 0;
out:
SAFE_FREE(lock);
SAFE_FREE(exclude);
SAFE_FREE(config);
return rc;
}
int csync_update(CSYNC *ctx) {
int rc = -1;
struct timespec start, finish;
char *lock = NULL;
if (ctx == NULL) {
errno = EBADF;
return -1;
}
ctx->status_code = CSYNC_STATUS_OK;
/* try to create lock file */
if (asprintf(&lock, "%s/%s", ctx->local.uri, CSYNC_LOCK_FILE) < 0) {
ctx->status_code = CSYNC_STATUS_MEMORY_ERROR;
rc = -1;
return rc;
}
if (csync_lock(lock) < 0) {
ctx->status_code = CSYNC_STATUS_NO_LOCK;
rc = -1;
return rc;
}
SAFE_FREE(lock);
/* create/load statedb */
if (! csync_is_statedb_disabled(ctx)) {
rc = asprintf(&ctx->statedb.file, "%s/.csync_journal.db",
ctx->local.uri);
if (rc < 0) {
ctx->status_code = CSYNC_STATUS_MEMORY_ERROR;
return rc;
}
CSYNC_LOG(CSYNC_LOG_PRIORITY_DEBUG, "Journal: %s", ctx->statedb.file);
if (csync_statedb_load(ctx, ctx->statedb.file, &ctx->statedb.db) < 0) {
ctx->status_code = CSYNC_STATUS_STATEDB_LOAD_ERROR;
rc = -1;
return rc;
}
}
ctx->status_code = CSYNC_STATUS_OK;
csync_memstat_check();
/* update detection for local replica */
csync_gettime(&start);
ctx->current = LOCAL_REPLICA;
ctx->replica = ctx->local.type;
rc = csync_ftw(ctx, ctx->local.uri, csync_walker, MAX_DEPTH);
if (rc < 0) {
if(ctx->status_code == CSYNC_STATUS_OK)
ctx->status_code = csync_errno_to_status(errno, CSYNC_STATUS_UPDATE_ERROR);
return -1;
}
csync_gettime(&finish);
CSYNC_LOG(CSYNC_LOG_PRIORITY_DEBUG,
"Update detection for local replica took %.2f seconds walking %zu files.",
c_secdiff(finish, start), c_rbtree_size(ctx->local.tree));
csync_memstat_check();
if (rc < 0) {
ctx->status_code = CSYNC_STATUS_TREE_ERROR;
return -1;
}
/* update detection for remote replica */
if( ! ctx->options.local_only_mode ) {
csync_gettime(&start);
ctx->current = REMOTE_REPLICA;
ctx->replica = ctx->remote.type;
rc = csync_ftw(ctx, ctx->remote.uri, csync_walker, MAX_DEPTH);
if (rc < 0) {
if(ctx->status_code == CSYNC_STATUS_OK)
ctx->status_code = csync_errno_to_status(errno, CSYNC_STATUS_UPDATE_ERROR);
return -1;
}
csync_gettime(&finish);
CSYNC_LOG(CSYNC_LOG_PRIORITY_DEBUG,
"Update detection for remote replica took %.2f seconds "
"walking %zu files.",
c_secdiff(finish, start), c_rbtree_size(ctx->remote.tree));
csync_memstat_check();
}
ctx->status |= CSYNC_STATUS_UPDATE;
return 0;
}
int csync_reconcile(CSYNC *ctx) {
int rc = -1;
struct timespec start, finish;
if (ctx == NULL) {
errno = EBADF;
return -1;
}
ctx->status_code = CSYNC_STATUS_OK;
/* Reconciliation for local replica */
csync_gettime(&start);
ctx->current = LOCAL_REPLICA;
ctx->replica = ctx->local.type;
rc = csync_reconcile_updates(ctx);
csync_gettime(&finish);
CSYNC_LOG(CSYNC_LOG_PRIORITY_DEBUG,
"Reconciliation for local replica took %.2f seconds visiting %zu files.",
c_secdiff(finish, start), c_rbtree_size(ctx->local.tree));
if (rc < 0) {
if (!CSYNC_STATUS_IS_OK(ctx->status_code)) {
ctx->status_code = csync_errno_to_status( errno, CSYNC_STATUS_RECONCILE_ERROR );
}
return -1;
}
/* Reconciliation for local replica */
csync_gettime(&start);
ctx->current = REMOTE_REPLICA;
ctx->replica = ctx->remote.type;
rc = csync_reconcile_updates(ctx);
csync_gettime(&finish);
CSYNC_LOG(CSYNC_LOG_PRIORITY_DEBUG,
"Reconciliation for remote replica took %.2f seconds visiting %zu files.",
c_secdiff(finish, start), c_rbtree_size(ctx->remote.tree));
if (rc < 0) {
if (!CSYNC_STATUS_IS_OK(ctx->status_code)) {
ctx->status_code = csync_errno_to_status(errno, CSYNC_STATUS_RECONCILE_ERROR );
}
return -1;
}
ctx->status |= CSYNC_STATUS_RECONCILE;
return 0;
}
/*
* local visitor which calls the user visitor with repacked stat info.
*/
static int _csync_treewalk_visitor(void *obj, void *data) {
int rc = 0;
csync_file_stat_t *cur = NULL;
CSYNC *ctx = NULL;
c_rbtree_visit_func *visitor = NULL;
_csync_treewalk_context *twctx = NULL;
TREE_WALK_FILE trav;
cur = (csync_file_stat_t *) obj;
ctx = (CSYNC *) data;
if (ctx == NULL) {
return -1;
}
if (obj == NULL || data == NULL) {
ctx->status_code = CSYNC_STATUS_PARAM_ERROR;
return -1;
}
ctx->status_code = CSYNC_STATUS_OK;
twctx = (_csync_treewalk_context*) ctx->callbacks.userdata;
if (twctx == NULL) {
ctx->status_code = CSYNC_STATUS_PARAM_ERROR;
return -1;
}
if (twctx->instruction_filter > 0 &&
!(twctx->instruction_filter & cur->instruction) ) {
return 0;
}
visitor = (c_rbtree_visit_func*)(twctx->user_visitor);
if (visitor != NULL) {
trav.path = cur->path;
trav.size = cur->size;
trav.modtime = cur->modtime;
trav.uid = cur->uid;
trav.gid = cur->gid;
trav.mode = cur->mode;
trav.type = cur->type;
trav.instruction = cur->instruction;
trav.rename_path = cur->destpath;
trav.etag = cur->etag;
trav.file_id = cur->file_id;
trav.error_status = cur->error_status;
trav.should_update_etag = cur->should_update_etag;
rc = (*visitor)(&trav, twctx->userdata);
cur->instruction = trav.instruction;
if (trav.etag != cur->etag) {
SAFE_FREE(cur->etag);
cur->etag = c_strdup(trav.etag);
}
return rc;
}
ctx->status_code = CSYNC_STATUS_PARAM_ERROR;
return -1;
}
/*
* treewalk function, called from its wrappers below.
*
* it encapsulates the user visitor function, the filter and the userdata
* into a treewalk_context structure and calls the rb treewalk function,
* which calls the local _csync_treewalk_visitor in this module.
* The user visitor is called from there.
*/
static int _csync_walk_tree(CSYNC *ctx, c_rbtree_t *tree, csync_treewalk_visit_func *visitor, int filter)
{
_csync_treewalk_context tw_ctx;
int rc = -1;
if (ctx == NULL) {
errno = EBADF;
return rc;
}
if (visitor == NULL || tree == NULL) {
ctx->status_code = CSYNC_STATUS_PARAM_ERROR;
return rc;
}
tw_ctx.userdata = ctx->callbacks.userdata;
tw_ctx.user_visitor = visitor;
tw_ctx.instruction_filter = filter;
ctx->callbacks.userdata = &tw_ctx;
rc = c_rbtree_walk(tree, (void*) ctx, _csync_treewalk_visitor);
if( rc < 0 ) {
if( ctx->status_code == CSYNC_STATUS_OK )
ctx->status_code = csync_errno_to_status(errno, CSYNC_STATUS_TREE_ERROR);
}
ctx->callbacks.userdata = tw_ctx.userdata;
return rc;
}
/*
* wrapper function for treewalk on the remote tree
*/
int csync_walk_remote_tree(CSYNC *ctx, csync_treewalk_visit_func *visitor, int filter)
{
c_rbtree_t *tree = NULL;
int rc = -1;
if(ctx != NULL) {
ctx->status_code = CSYNC_STATUS_OK;
tree = ctx->remote.tree;
}
/* all error handling in the called function */
rc = _csync_walk_tree(ctx, tree, visitor, filter);
return rc;
}
/*
* wrapper function for treewalk on the local tree
*/
int csync_walk_local_tree(CSYNC *ctx, csync_treewalk_visit_func *visitor, int filter)
{
c_rbtree_t *tree = NULL;
int rc = -1;
if (ctx != NULL) {
ctx->status_code = CSYNC_STATUS_OK;
tree = ctx->local.tree;
}
/* all error handling in the called function */
rc = _csync_walk_tree(ctx, tree, visitor, filter);
return rc;
}
static void _tree_destructor(void *data) {
csync_file_stat_t *freedata = NULL;
freedata = (csync_file_stat_t *) data;
csync_file_stat_free(freedata);
}
/* reset all the list to empty.
* used by csync_commit and csync_destroy */
static void _csync_clean_ctx(CSYNC *ctx)
{
c_list_t * walk;
/* destroy the rbtrees */
if (c_rbtree_size(ctx->local.tree) > 0) {
c_rbtree_destroy(ctx->local.tree, _tree_destructor);
}
if (c_rbtree_size(ctx->remote.tree) > 0) {
c_rbtree_destroy(ctx->remote.tree, _tree_destructor);
}
csync_rename_destroy(ctx);
for (walk = c_list_last(ctx->local.ignored_cleanup); walk != NULL; walk = c_list_prev(walk)) {
SAFE_FREE(walk->data);
}
for (walk = c_list_last(ctx->remote.ignored_cleanup); walk != NULL; walk = c_list_prev(walk)) {
SAFE_FREE(walk->data);
}
/* free memory */
c_rbtree_free(ctx->local.tree);
c_list_free(ctx->local.list);
c_list_free(ctx->local.ignored_cleanup);
c_rbtree_free(ctx->remote.tree);
c_list_free(ctx->remote.list);
c_list_free(ctx->remote.ignored_cleanup);
ctx->remote.list = 0;
ctx->local.list = 0;
ctx->remote.ignored_cleanup = 0;
ctx->local.ignored_cleanup = 0;
SAFE_FREE(ctx->statedb.file);
}
int csync_commit(CSYNC *ctx) {
int rc = 0;
if (ctx == NULL) {
return -1;
}
ctx->status_code = CSYNC_STATUS_OK;
if (ctx->statedb.db != NULL
&& csync_statedb_close(ctx->statedb.file, ctx->statedb.db, 0) < 0) {
CSYNC_LOG(CSYNC_LOG_PRIORITY_DEBUG, "ERR: closing of statedb failed.");
rc = -1;
}
ctx->statedb.db = NULL;
rc = csync_vio_commit(ctx);
if (rc < 0) {
CSYNC_LOG(CSYNC_LOG_PRIORITY_DEBUG, "commit failed: %s",
ctx->error_string ? ctx->error_string : "");
goto out;
}
_csync_clean_ctx(ctx);
ctx->remote.read_from_db = 0;
/* Create new trees */
rc = c_rbtree_create(&ctx->local.tree, _key_cmp, _data_cmp);
if (rc < 0) {
ctx->status_code = CSYNC_STATUS_TREE_ERROR;
goto out;
}
rc = c_rbtree_create(&ctx->remote.tree, _key_cmp, _data_cmp);
if (rc < 0) {
ctx->status_code = CSYNC_STATUS_TREE_ERROR;
goto out;
}
/* reset the progress */
ctx->overall_progress.file_count = 0;
ctx->overall_progress.current_file_no = 0;
ctx->overall_progress.byte_sum = 0;
ctx->overall_progress.byte_current = 0;
ctx->status = CSYNC_STATUS_INIT;
SAFE_FREE(ctx->error_string);
rc = 0;
out:
return rc;
}
int csync_destroy(CSYNC *ctx) {
char *lock = NULL;
int rc;
if (ctx == NULL) {
errno = EBADF;
return -1;
}
ctx->status_code = CSYNC_STATUS_OK;
if (ctx->statedb.db != NULL
&& csync_statedb_close(ctx->statedb.file, ctx->statedb.db, 0) < 0) {
CSYNC_LOG(CSYNC_LOG_PRIORITY_DEBUG, "ERR: closing of statedb failed.");
rc = -1;
}
ctx->statedb.db = NULL;
csync_vio_shutdown(ctx);
/* destroy exclude list */
csync_exclude_destroy(ctx);
/* remove the lock file */
rc = asprintf(&lock, "%s/%s", ctx->options.config_dir, CSYNC_LOCK_FILE);
if (rc > 0) {
csync_lock_remove(lock);
}
_csync_clean_ctx(ctx);
SAFE_FREE(ctx->local.uri);
SAFE_FREE(ctx->remote.uri);
SAFE_FREE(ctx->options.config_dir);
SAFE_FREE(ctx->error_string);
#ifdef WITH_ICONV
c_close_iconv();
#endif
SAFE_FREE(ctx);
SAFE_FREE(lock);
return 0;
}
/* Check if csync is the required version or get the version string. */
const char *csync_version(int req_version) {
if (req_version <= LIBCSYNC_VERSION_INT) {
return CSYNC_STRINGIFY(LIBCSYNC_VERSION);
}
return NULL;
}
int csync_add_exclude_list(CSYNC *ctx, const char *path) {
if (ctx == NULL || path == NULL) {
return -1;
}
return csync_exclude_load(ctx, path);
}
void csync_clear_exclude_list(CSYNC *ctx)
{
csync_exclude_clear(ctx);
}
const char *csync_get_config_dir(CSYNC *ctx) {
if (ctx == NULL) {
return NULL;
}
return ctx->options.config_dir;
}
int csync_set_config_dir(CSYNC *ctx, const char *path) {
if (ctx == NULL || path == NULL) {
return -1;
}
SAFE_FREE(ctx->options.config_dir);
ctx->options.config_dir = c_strdup(path);
if (ctx->options.config_dir == NULL) {
ctx->status_code = CSYNC_STATUS_MEMORY_ERROR;
return -1;
}
return 0;
}
int csync_enable_statedb(CSYNC *ctx) {
if (ctx == NULL) {
return -1;
}
ctx->status_code = CSYNC_STATUS_OK;
if (ctx->status & CSYNC_STATUS_INIT) {
fprintf(stderr, "This function must be called before initialization.");
ctx->status_code = CSYNC_STATUS_CSYNC_STATUS_ERROR;
return -1;
}
ctx->statedb.disabled = 0;
return 0;
}
int csync_disable_statedb(CSYNC *ctx) {
if (ctx == NULL) {
return -1;
}
ctx->status_code = CSYNC_STATUS_OK;
if (ctx->status & CSYNC_STATUS_INIT) {
fprintf(stderr, "This function must be called before initialization.");
ctx->status_code = CSYNC_STATUS_CSYNC_STATUS_ERROR;
return -1;
}
ctx->statedb.disabled = 1;
return 0;
}
int csync_is_statedb_disabled(CSYNC *ctx) {
if (ctx == NULL) {
return -1;
}
return ctx->statedb.disabled;
}
int csync_set_auth_callback(CSYNC *ctx, csync_auth_callback cb) {
if (ctx == NULL || cb == NULL) {
return -1;
}
if (ctx->status & CSYNC_STATUS_INIT) {
ctx->status_code = CSYNC_STATUS_CSYNC_STATUS_ERROR;
fprintf(stderr, "This function must be called before initialization.");
return -1;
}
ctx->callbacks.auth_function = cb;
return 0;
}
const char *csync_get_statedb_file(CSYNC *ctx) {
if (ctx == NULL) {
return NULL;
}
ctx->status_code = CSYNC_STATUS_OK;
return c_strdup(ctx->statedb.file);
}
void *csync_get_userdata(CSYNC *ctx) {
if (ctx == NULL) {
return NULL;
}
return ctx->callbacks.userdata;
}
int csync_set_userdata(CSYNC *ctx, void *userdata) {
if (ctx == NULL) {
return -1;
}
ctx->callbacks.userdata = userdata;
return 0;
}
csync_auth_callback csync_get_auth_callback(CSYNC *ctx) {
if (ctx == NULL) {
return NULL;
}
return ctx->callbacks.auth_function;
}
int csync_set_status(CSYNC *ctx, int status) {
if (ctx == NULL || status < 0) {
return -1;
}
ctx->status = status;
return 0;
}
CSYNC_STATUS csync_get_status(CSYNC *ctx) {
if (ctx == NULL) {
return -1;
}
return ctx->status_code;
}
int csync_enable_conflictcopys(CSYNC* ctx){
if (ctx == NULL) {
return -1;
}
if (ctx->status & CSYNC_STATUS_INIT) {
fprintf(stderr, "This function must be called before initialization.");
ctx->status_code = CSYNC_STATUS_CSYNC_STATUS_ERROR;
return -1;
}
ctx->options.with_conflict_copys=true;
return 0;
}
int csync_set_local_only(CSYNC *ctx, bool local_only) {
if (ctx == NULL) {
return -1;
}
ctx->status_code = CSYNC_STATUS_OK;
if (ctx->status & CSYNC_STATUS_INIT) {
fprintf(stderr, "csync_set_local_only: This function must be called before initialization.");
ctx->status_code = CSYNC_STATUS_CSYNC_STATUS_ERROR;
return -1;
}
ctx->options.local_only_mode=local_only;
return 0;
}
bool csync_get_local_only(CSYNC *ctx) {
if (ctx == NULL) {
return -1;
}
ctx->status_code = CSYNC_STATUS_OK;
return ctx->options.local_only_mode;
}
const char *csync_get_status_string(CSYNC *ctx)
{
return csync_vio_get_status_string(ctx);
}
#ifdef WITH_ICONV
int csync_set_iconv_codec(const char *from)
{
c_close_iconv();
if (from != NULL) {
c_setup_iconv(from);
}
return 0;
}
#endif
void csync_request_abort(CSYNC *ctx)
{
if (ctx != NULL) {
ctx->abort = true;
}
}
void csync_resume(CSYNC *ctx)
{
if (ctx != NULL) {
ctx->abort = false;
}
}
int csync_abort_requested(CSYNC *ctx)
{
if (ctx != NULL) {
return ctx->abort;
} else {
return (1 == 0);
}
}
void csync_file_stat_free(csync_file_stat_t *st)
{
if (st) {
SAFE_FREE(st->etag);
SAFE_FREE(st->destpath);
SAFE_FREE(st);
}
}
int csync_set_module_property(CSYNC* ctx, const char* key, void* value)
{
return csync_vio_set_property(ctx, key, value);
}
int csync_set_progress_callback(CSYNC* ctx, csync_progress_callback cb)
{
if (ctx == NULL) {
return -1;
}
if (cb == NULL ) {
ctx->status_code = CSYNC_STATUS_PARAM_ERROR;
return -1;
}
ctx->callbacks.progress_cb = cb;
ctx->status_code = CSYNC_STATUS_OK;
return 0;
}
csync_progress_callback csync_get_progress_callback(CSYNC *ctx)
{
if (ctx == NULL) {
return NULL;
}
return ctx->callbacks.progress_cb;
}
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