static int
fileLock(File *f)
{
assert(!canwlock(&f->fs->elk));
wlock(&f->lk);
if(!chkSource(f)){
fileUnlock(f);
return 0;
}
return 1;
}
static int
fileLock(File *f)
{
assert(!vtCanLock(f->fs->elk));
vtLock(f->lk);
if(!chkSource(f)){
fileUnlock(f);
return 0;
}
return 1;
}
int
main (int argc, char* argv[])
{
bkupInfo info;
bkupType type;
int len;
int rst; /* return status */
if (getuid() != ROOT_UID) {
fprintf(stderr, "must be root\n");
exit(1);
}
if (argc <= 2) {
usage();
}
umask(defUmask);
memset(&info, 0, sizeof(info));
info.dest = argv[2];
info.src = index(argv[1], ':');
if (info.src) {
info.host = index(argv[1], '@');
if (!info.host || info.host > info.src) {
/* no user specified, or `@' appeared after `:'
*/
info.host = argv[1];
info.user = DefaultUser;
} else {
*info.host = '\0';
++info.host;
info.user = argv[1];
}
*info.src = '\0';
++info.src;
} else {
info.src = argv[1];
}
if (*info.src != '/') goto errorExit; /* src must be full path */
if (*info.dest != '/') goto errorExit; /* dest must be full path */
len = strlen(info.src) - 1;
if (info.src[len] == '/') { /* strip tail '/' */
info.src[len] = '\0';
}
len = strlen(info.dest) - 1;
if (info.dest[len] == '/') {
info.dest[len] = '\0';
}
if (info.host) {
makeSshKey(&info);
}
chkDest(&info);
if (info.host) {
exit(doRemote(&info));
}
type = chkSource(&info);
openFilesLocal(&info);
switch (type) {
case bkupFirstTime:
info.func = firstTimeBackup;
break;
case bkupRecurrent:
info.func = recurrentBackup;
break;
default:
errExit(("wrong bkup type (%d)", type));
}
rst = dirwalk(info.src, &info);
closeFiles(&info);
if ((type == bkupRecurrent) && unlink(info.oldJpath)) {
errSysRet(("unlink(%s)", info.oldJpath));
}
rst = runCommands(&info);
removeFiles(&info);
if (type == bkupFirstTime && !rst) {
if (info.jpath && unlink(info.jpath)) {
errSysRet(("unlink(%s)", info.jpath));
}
}
exit(!rst);
errorExit:
fprintf(stderr,
"Source and Destination directories must be full path\n");
exit(1);
return 0; /* to make gcc happy */
}
