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Moved read_sum_head() here from sender.c (because the generator uses it

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too) and improved it with better error checking.
This commit is contained in:
Wayne Davison
2005-01-17 22:51:24 +00:00
parent eae7165c79
commit 188fed9570
1 changed files with 25 additions and 0 deletions
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25
io.c
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@@ -48,6 +48,7 @@ extern int am_daemon;
extern int am_sender;
extern int am_generator;
extern int eol_nulls;
extern int csum_length;
extern int checksum_seed;
extern int protocol_version;
extern char *remote_filesfrom_file;
@@ -779,6 +780,30 @@ unsigned char read_byte(int f)
return c;
}
/* Populate a sum_struct with values from the socket. This is
* called by both the sender and the receiver. */
void read_sum_head(int f, struct sum_struct *sum)
{
sum->count = read_int(f);
sum->blength = read_int(f);
if (sum->blength < 0 || sum->blength > MAX_BLOCK_SIZE) {
rprintf(FERROR, "Invalid block length %ld\n",
(long)sum->blength);
exit_cleanup(RERR_PROTOCOL);
}
sum->s2length = protocol_version < 27 ? csum_length : (int)read_int(f);
if (sum->s2length < 0 || sum->s2length > MD4_SUM_LENGTH) {
rprintf(FERROR, "Invalid checksum length %d\n", sum->s2length);
exit_cleanup(RERR_PROTOCOL);
}
sum->remainder = read_int(f);
if (sum->remainder < 0 || sum->remainder > sum->blength) {
rprintf(FERROR, "Invalid remainder length %ld\n",
(long)sum->remainder);
exit_cleanup(RERR_PROTOCOL);
}
}
/**
* Sleep after writing to limit I/O bandwidth usage.