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util: Improve statedb hashing function to avoid possible data loss.

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The statedb hash function only hashes the remote side and not the local
path. So if a user changes to a new empty directory to sync it with the
remote counter part, csync will delete all files.

This will result in a new full sync for all sync setups, but we will not
loose any data.
This commit is contained in:
Andreas Schneider 2012-10-22 11:00:51 +02:00
parent 12d5d012f3
commit 68abef8626
1 changed files with 1 additions and 6 deletions
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7
src/csync_util.c
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@ -296,7 +296,6 @@ out:
/* Normalize the uri to <host>/<path> */
uint64_t csync_create_statedb_hash(CSYNC *ctx) {
char *p = NULL;
char *host = NULL;
char *path = NULL;
char name[PATH_MAX] = {0};
@ -308,12 +307,8 @@ uint64_t csync_create_statedb_hash(CSYNC *ctx) {
return 0;
}
if (host && (p = strchr(host, '.'))) {
*p = '\0';
}
/* len + 1 for \0 */
snprintf(name, PATH_MAX, "%s%s", host ? host : "", path);
snprintf(name, sizeof(name), "%s:%s%s", ctx->local.uri, host ? host : "", path);
CSYNC_LOG(CSYNC_LOG_PRIORITY_INFO,
"Normalized path for the statedb hash: %s", name);