INT64_T chirp_multi_symlink(const char *volume, const char *path, const char *newpath, time_t stoptime)
{
char lpath[CHIRP_PATH_MAX];
char newlpath[CHIRP_PATH_MAX];
if(!chirp_multi_lpath(volume, path, lpath, stoptime))
return -1;
if(!chirp_multi_lpath(volume, newpath, newlpath, stoptime))
return -1;
return chirp_reli_symlink(current_volume->host, lpath, newlpath, stoptime);
}
INT64_T chirp_global_symlink(const char *host, const char *path, const char *newpath, time_t stoptime)
{
if(is_multi_path(host)) {
char mhost[CHIRP_PATH_MAX];
char mpath[CHIRP_PATH_MAX];
parse_multi_path(path, mhost, mpath);
return chirp_multi_symlink(mhost, mpath, newpath, stoptime);
} else if(not_empty(path)) {
return chirp_reli_symlink(host, path, newpath, stoptime);
} else {
errno = EXDEV;
return -1;
}
}
static INT64_T do_put_one_link(const char *hostport, const char *source_file, const char *target_file, time_t stoptime)
{
char linkdata[CHIRP_PATH_MAX];
INT64_T result;
result = readlink(source_file, linkdata, sizeof(linkdata));
if(result > 0) {
linkdata[result] = 0;
chirp_reli_unlink(hostport, target_file, stoptime);
result = chirp_reli_symlink(hostport, linkdata, target_file, stoptime);
if(result >= 0)
result = 0;
}
return result;
}
static INT64_T chirp_thirdput_recursive(const char *subject, const char *lpath, const char *hostname, const char *rpath, const char *hostsubject, time_t stoptime)
{
struct chirp_stat info;
INT64_T size = 0, result;
char newlpath[CHIRP_PATH_MAX];
char newrpath[CHIRP_PATH_MAX];
int save_errno;
int my_target_acl = 0;
result = cfs->lstat(lpath, &info);
if(result < 0)
return result;
if(S_ISDIR(info.cst_mode)) {
CHIRP_FILE *aclfile;
struct chirp_dir *dir;
struct chirp_dirent *d;
char aclsubject[CHIRP_PATH_MAX];
int aclflags;
if(!chirp_acl_check_dir(lpath, subject, CHIRP_ACL_LIST))
return -1;
// create the directory, but do not fail if it already exists
result = chirp_reli_mkdir(hostname, rpath, 0700, stoptime);
if(result < 0 && errno != EEXIST)
return result;
// set the access control to include the initiator
result = chirp_reli_setacl(hostname, rpath, subject, "rwldax", stoptime);
if(result < 0 && errno != EACCES)
return result;
// transfer each of the directory contents recurisvely
dir = cfs->opendir(lpath);
while((d = cfs->readdir(dir))) {
if(!strcmp(d->name, "."))
continue;
if(!strcmp(d->name, ".."))
continue;
if(!strncmp(d->name, ".__", 3))
continue;
sprintf(newlpath, "%s/%s", lpath, d->name);
sprintf(newrpath, "%s/%s", rpath, d->name);
result = chirp_thirdput_recursive(subject, newlpath, hostname, newrpath, hostsubject, stoptime);
if(result >= 0) {
size += result;
} else {
result = -1;
break;
}
}
save_errno = errno;
// finally, set the acl to duplicate the source directory,
// but do not take away permissions from me or the initiator
cfs->closedir(dir);
aclfile = chirp_acl_open(lpath);
if(!aclfile)
return -1;
while(chirp_acl_read(aclfile, aclsubject, &aclflags)) {
// wait until the last minute to take away my permissions
if(!strcmp(aclsubject, hostsubject)) {
my_target_acl = aclflags;
}
// do not take permissions away from the initiator
if(!strcmp(aclsubject, subject)) {
continue;
}
chirp_reli_setacl(hostname, rpath, aclsubject, chirp_acl_flags_to_text(aclflags), stoptime);
}
chirp_acl_close(aclfile);
// after setting everything else, then set my permissions from the ACL
chirp_reli_setacl(hostname, rpath, hostsubject, chirp_acl_flags_to_text(my_target_acl), stoptime);
errno = save_errno;
if(result >= 0) {
return size;
} else {
return -1;
}
} else if(S_ISLNK(info.cst_mode)) {
if(!chirp_acl_check(lpath, subject, CHIRP_ACL_READ))
return -1;
result = cfs->readlink(lpath, newlpath, sizeof(newlpath));
if(result < 0)
return -1;
return chirp_reli_symlink(hostname, newlpath, rpath, stoptime);
} else if(S_ISREG(info.cst_mode)) {
if(!chirp_acl_check(lpath, subject, CHIRP_ACL_READ))
return -1;
int fd = cfs->open(lpath, O_RDONLY, 0);
if(fd >= 0) {
struct chirp_file *F = chirp_reli_open(hostname, rpath, O_WRONLY|O_CREAT|O_TRUNC, info.cst_mode, stoptime);
if(F) {
char buffer[65536];
INT64_T offset = 0;
INT64_T nread;
while ((nread = cfs->pread(fd, buffer, sizeof(buffer), offset)) > 0) {
INT64_T nwritten = 0;
while (nwritten < nread) {
INT64_T nwrite = chirp_reli_pwrite(F, buffer+nwritten, nread-nwritten, offset, stoptime);
if (nwrite == -1) {
save_errno = errno;
cfs->close(fd);
chirp_reli_close(F, stoptime);
errno = save_errno;
return -1;
}
nwritten += nwrite;
offset += nwrite;
}
}
if(nread == -1) offset = -1;
save_errno = errno;
cfs->close(fd);
chirp_reli_close(F, stoptime);
errno = save_errno;
return offset;
} else {
save_errno = errno;
cfs->close(fd);
errno = save_errno;
return -1;
}
} else {
return -1;
}
} else {
return 0;
}
return -1;
}
