static int forget_file(struct asfd *asfd, struct sbuf *sb, struct conf *conf)
{
// Tell the server to forget about this
// file, otherwise it might get stuck
// on a select waiting for it to arrive.
if(asfd->write_str(asfd, CMD_INTERRUPT, sb->path.buf))
return 0;
if(sb->path.cmd==CMD_FILE && sb->burp1->datapth.buf)
{
rs_signature_t *sumset=NULL;
// The server will be sending us a signature.
// Munch it up then carry on.
if(load_signature(asfd, &sumset, conf)) return -1;
else rs_free_sumset(sumset);
}
return 0;
}
bool Environment::verify_paths(std::string prefix) {
struct stat st;
std::string dir = prefix + RBX_RUNTIME_PATH;
if(stat(dir.c_str(), &st) == -1 || !S_ISDIR(st.st_mode)) return false;
if(!load_signature(dir)) return false;
dir = prefix + RBX_BIN_PATH;
if(stat(dir.c_str(), &st) == -1 || !S_ISDIR(st.st_mode)) return false;
dir = prefix + RBX_KERNEL_PATH;
if(stat(dir.c_str(), &st) == -1 || !S_ISDIR(st.st_mode)) return false;
dir = prefix + RBX_LIB_PATH;
if(stat(dir.c_str(), &st) == -1 || !S_ISDIR(st.st_mode)) return false;
return true;
}
static int forget_file(struct sbuf *sb, char cmd, struct cntr *cntr)
{
// Tell the server to forget about this
// file, otherwise it might get stuck
// on a select waiting for it to arrive.
if(async_write_str(CMD_INTERRUPT, sb->path))
return 0;
if(cmd==CMD_FILE && sb->datapth)
{
rs_signature_t *sumset=NULL;
// The server will be sending
// us a signature. Munch it up
// then carry on.
if(load_signature(&sumset, cntr))
return -1;
else rs_free_sumset(sumset);
}
return 0;
}
static int load_signature_and_send_delta(BFILE *bfd, FILE *in, unsigned long long *bytes, unsigned long long *sentbytes, struct cntr *cntr, size_t datalen)
{
rs_job_t *job;
rs_result r;
rs_signature_t *sumset=NULL;
unsigned char checksum[MD5_DIGEST_LENGTH+1];
rs_filebuf_t *infb=NULL;
rs_filebuf_t *outfb=NULL;
rs_buffers_t rsbuf;
memset(&rsbuf, 0, sizeof(rsbuf));
if(load_signature(&sumset, cntr)) return -1;
//logp("start delta\n");
if(!(job=rs_delta_begin(sumset)))
{
logp("could not start delta job.\n");
rs_free_sumset(sumset);
return RS_IO_ERROR;
}
if(!(infb=rs_filebuf_new(bfd,
in, NULL, -1, ASYNC_BUF_LEN, datalen, cntr))
|| !(outfb=rs_filebuf_new(NULL, NULL,
NULL, async_get_fd(), ASYNC_BUF_LEN, -1, cntr)))
{
logp("could not rs_filebuf_new for delta\n");
if(infb) rs_filebuf_free(infb);
return -1;
}
//logp("start delta loop\n");
while(1)
{
size_t wlen=0;
rs_result delresult;
delresult=rs_async(job, &rsbuf, infb, outfb);
if(delresult==RS_DONE)
{
r=delresult;
// logp("delresult done\n");
break;
}
else if(delresult==RS_BLOCKED || delresult==RS_RUNNING)
{
// logp("delresult running/blocked: %d\n", delresult);
// Keep going
}
else
{
logp("error in rs_async for delta: %d\n", delresult);
r=delresult;
break;
}
// FIX ME: get it to read stuff (errors, for example) here too.
if(async_rw(NULL, NULL, '\0', '\0', NULL, &wlen))
return -1;
}
if(r!=RS_DONE)
logp("delta loop returned: %d\n", r);
//logp("after delta loop: %d\n", r);
//logp("\n");
if(r==RS_DONE)
{
*bytes=infb->bytes;
*sentbytes=outfb->bytes;
if(!MD5_Final(checksum, &(infb->md5)))
{
logp("MD5_Final() failed\n");
r=RS_IO_ERROR;
}
}
rs_filebuf_free(infb);
rs_filebuf_free(outfb);
rs_job_free(job);
rs_free_sumset(sumset);
if(r==RS_DONE && write_endfile(*bytes, checksum)) // finish delta file
return -1;
//logp("end of load_sig_send_delta\n");
return r;
}
static int load_signature_and_send_delta(struct asfd *asfd,
BFILE *bfd, FILE *in,
unsigned long long *bytes, unsigned long long *sentbytes,
struct conf *conf, size_t datalen)
{
rs_job_t *job;
rs_result r;
rs_signature_t *sumset=NULL;
unsigned char checksum[MD5_DIGEST_LENGTH+1];
rs_filebuf_t *infb=NULL;
rs_filebuf_t *outfb=NULL;
rs_buffers_t rsbuf;
memset(&rsbuf, 0, sizeof(rsbuf));
if(load_signature(asfd, &sumset, conf)) return -1;
if(!(job=rs_delta_begin(sumset)))
{
logp("could not start delta job.\n");
rs_free_sumset(sumset);
return RS_IO_ERROR;
}
if(!(infb=rs_filebuf_new(asfd, bfd,
in, NULL, -1, ASYNC_BUF_LEN, datalen, conf->cntr))
|| !(outfb=rs_filebuf_new(asfd, NULL, NULL,
NULL, asfd->fd, ASYNC_BUF_LEN, -1, conf->cntr)))
{
logp("could not rs_filebuf_new for delta\n");
if(infb) rs_filebuf_free(infb);
return -1;
}
while(1)
{
rs_result delresult;
delresult=rs_async(job, &rsbuf, infb, outfb);
if(delresult==RS_DONE)
{
r=delresult;
break;
}
else if(delresult==RS_BLOCKED || delresult==RS_RUNNING)
{
// Keep going
}
else
{
logp("error in rs_async for delta: %d\n", delresult);
r=delresult;
break;
}
// FIX ME: get it to read stuff (errors, for example) here too.
if(asfd->as->rw(asfd->as)) return -1;
}
if(r!=RS_DONE)
logp("delta loop returned: %d\n", r);
if(r==RS_DONE)
{
*bytes=infb->bytes;
*sentbytes=outfb->bytes;
if(!MD5_Final(checksum, &(infb->md5)))
{
logp("MD5_Final() failed\n");
r=RS_IO_ERROR;
}
}
rs_filebuf_free(infb);
rs_filebuf_free(outfb);
rs_job_free(job);
rs_free_sumset(sumset);
if(r==RS_DONE && write_endfile(asfd, *bytes, checksum))
return -1;
return r;
}