extern int io_error;
extern int dry_run;
extern int am_server;
+extern int am_daemon;
+extern int protocol_version;
/**
* and transmits them to the receiver. The sender process runs on the
* machine holding the source files.
**/
-
-
void read_sum_head(int f, struct sum_struct *sum)
{
- extern int protocol_version;
-
sum->count = read_int(f);
sum->blength = read_int(f);
- if (protocol_version < 27)
+ if (protocol_version < 27) {
sum->s2length = csum_length;
- else
+ } else {
sum->s2length = read_int(f);
+ if (sum->s2length > MD4_SUM_LENGTH) {
+ rprintf(FERROR, "Invalid checksum length %ld\n",
+ (long)sum->s2length);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ }
sum->remainder = read_int(f);
}
int i;
OFF_T offset = 0;
- s = (struct sum_struct *)malloc(sizeof(*s));
+ s = new(struct sum_struct);
if (!s) out_of_memory("receive_sums");
read_sum_head(f, s);
s->sums = NULL;
- if (verbose > 3)
- rprintf(FINFO, "count=%ld n=%ld rem=%ld\n",
- (long) s->count, (long) s->blength,
- (long) s->remainder);
+ if (verbose > 3) {
+ rprintf(FINFO, "count=%ld n=%u rem=%u\n",
+ (long)s->count, s->blength, s->remainder);
+ }
if (s->count == 0)
return(s);
- s->sums = (struct sum_buf *)malloc(sizeof(s->sums[0])*s->count);
+ s->sums = new_array(struct sum_buf, s->count);
if (!s->sums) out_of_memory("receive_sums");
for (i = 0; i < (int) s->count; i++) {
{
int fd = -1;
struct sum_struct *s;
- struct map_struct *buf = NULL;
+ struct map_struct *mbuf = NULL;
STRUCT_STAT st;
char fname[MAXPATHLEN];
int i;
int phase = 0;
extern struct stats stats;
struct stats initial_stats;
- extern int write_batch; /* dw */
- extern int read_batch; /* dw */
- int checksums_match; /* dw */
- int buff_len; /* dw */
- char buff[CHUNK_SIZE]; /* dw */
- int j; /* dw */
- int done; /* dw */
+ extern int write_batch;
+ extern int read_batch;
+ int checksums_match;
+ int buff_len;
+ char buff[CHUNK_SIZE];
+ int j;
+ int done;
if (verbose > 2)
rprintf(FINFO, "send_files starting\n");
while (1) {
- int offset = 0;
+ unsigned int offset;
i = read_int(f_in);
if (i == -1) {
file = flist->files[i];
+ stats.current_file_index = i;
stats.num_transferred_files++;
stats.total_transferred_size += file->length;
- fname[0] = 0;
if (file->basedir) {
- strlcpy(fname, file->basedir, MAXPATHLEN);
- if (strlen(fname) == MAXPATHLEN-1) {
- io_error = 1;
- rprintf(FERROR, "send_files failed on long-named directory %s\n",
- fname);
- return;
- }
- strlcat(fname, "/", MAXPATHLEN);
- offset = strlen(file->basedir)+1;
- }
- strlcat(fname, f_name(file), MAXPATHLEN);
+ /* N.B. We're sure that this fits, so offset is OK. */
+ offset = strlcpy(fname, file->basedir, sizeof fname);
+ if (!offset || fname[offset-1] != '/')
+ fname[offset++] = '/';
+ } else
+ offset = 0;
+ f_name_to(file, fname + offset);
if (verbose > 2)
rprintf(FINFO, "send_files(%d, %s)\n", i, fname);
s = receive_sums(f_in);
if (!s) {
- io_error = 1;
+ io_error |= IOERR_GENERAL;
rprintf(FERROR, "receive_sums failed\n");
return;
}
if (write_batch)
- write_batch_csum_info(&i, flist->count, s);
+ write_batch_csum_info(&i, s);
if (!read_batch) {
fd = do_open(fname, O_RDONLY, 0);
if (fd == -1) {
- io_error = 1;
- rprintf(FERROR, "send_files failed to open %s: %s\n",
- fname, strerror(errno));
+ if (errno == ENOENT) {
+ enum logcode c = am_daemon
+ && protocol_version < 28 ? FERROR
+ : FINFO;
+ io_error |= IOERR_VANISHED;
+ rprintf(c, "file has vanished: %s\n",
+ full_fname(fname));
+ } else {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR, errno,
+ "send_files failed to open %s",
+ full_fname(fname));
+ }
free_sums(s);
continue;
}
/* map the local file */
if (do_fstat(fd, &st) != 0) {
- io_error = 1;
- rprintf(FERROR, "fstat failed : %s\n", strerror(errno));
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR, errno, "fstat failed");
free_sums(s);
close(fd);
return;
}
- if (st.st_size > 0) {
- buf = map_file(fd, st.st_size);
- } else {
- buf = NULL;
- }
+ mbuf = st.st_size ? map_file(fd, st.st_size) : NULL;
- if (verbose > 2)
+ if (verbose > 2) {
rprintf(FINFO, "send_files mapped %s of size %.0f\n",
fname, (double)st.st_size);
+ }
write_int(f_out, i);
if (write_batch)
- write_batch_delta_file((char *)&i, sizeof(i));
+ write_batch_delta_file((char *)&i, sizeof i);
write_sum_head(f_out, s);
}
set_compression(fname);
- if (read_batch) { /* dw */
+ if (read_batch) {
/* read checksums originally computed on sender side */
read_batch_csum_info(i, s, &checksums_match);
if (checksums_match) {
- read_batch_delta_file( (char *) &j, sizeof(int) );
+ read_batch_delta_file((char*)&j, sizeof (int));
if (j != i) { /* if flist index entries don't match*/
rprintf(FINFO, "index mismatch in send_files\n");
rprintf(FINFO, "read index = %d flist ndx = %d\n", j, i);
write_sum_head(f_out, s);
done = 0;
while (!done) {
- read_batch_delta_file( (char *) &buff_len, sizeof(int) );
+ read_batch_delta_file((char*)&buff_len, sizeof (int));
write_int(f_out, buff_len);
if (buff_len == 0) {
done = 1;
}
}
} /* end while */
- read_batch_delta_file( buff, MD4_SUM_LENGTH);
+ read_batch_delta_file(buff, MD4_SUM_LENGTH);
write_buf(f_out, buff, MD4_SUM_LENGTH);
} /* j=i */
continue;
}
} else {
- match_sums(f_out, s, buf, st.st_size);
+ match_sums(f_out, s, mbuf, st.st_size);
log_send(file, &initial_stats);
}
- if (!read_batch) { /* dw */
- if (buf) unmap_file(buf);
+ if (!read_batch) {
+ if (mbuf) {
+ j = unmap_file(mbuf);
+ if (j) {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR, j,
+ "read errors mapping %s",
+ full_fname(fname));
+ }
+ }
close(fd);
}
match_report();
write_int(f_out, -1);
- if (write_batch || read_batch) { /* dw */
+ if (write_batch || read_batch) {
close_batch_csums_file();
close_batch_delta_file();
}