mirror of
https://github.com/xcat2/xcat-dep.git
synced 2024-12-18 01:01:30 +00:00
91263bef63
-Fix one aspect of atftp PCRE engine, can do a tad more now, but still very limited
70 lines
3.2 KiB
Diff
70 lines
3.2 KiB
Diff
diff -ur atftp-0.7.dfsg/tftpd_pcre.c atftp-0.7.dfsg-bigfiles/tftpd_pcre.c
|
|
--- atftp-0.7.dfsg/tftpd_pcre.c 2003-04-24 20:16:19.000000000 -0400
|
|
+++ atftp-0.7.dfsg-bigfiles/tftpd_pcre.c 2008-06-09 15:37:51.000000000 -0400
|
|
@@ -213,7 +213,7 @@
|
|
/* found string */
|
|
if (rc > 0)
|
|
{
|
|
- Strncpy(outchp, tmpstr, rc);
|
|
+ Strncpy(outchp, tmpstr, rc+1); // atftp's Strncpy seems to have a bug, since rest of codebase seems contented, not changing that..
|
|
outchp += rc;
|
|
pcre_free_substring(tmpstr);
|
|
continue;
|
|
diff -ur atftp-0.7.dfsg/tftpd_file.c atftp-0.7.dfsg-bigfiles/tftpd_file.c
|
|
--- atftp-0.7.dfsg/tftpd_file.c 2008-06-09 14:18:29.000000000 -0400
|
|
+++ atftp-0.7.dfsg-bigfiles/tftpd_file.c 2008-06-09 14:23:17.000000000 -0400
|
|
@@ -608,22 +608,23 @@
|
|
logger(LOG_INFO, "blksize option -> %d", result);
|
|
}
|
|
|
|
+
|
|
+ /* multicast option */
|
|
+ if (data->tftp_options[OPT_MULTICAST].specified &&
|
|
+ data->tftp_options[OPT_MULTICAST].enabled && !convert)
|
|
+ {
|
|
+ /* Relax the restriction of number of packets to only complian when multicast is attempted */
|
|
/* Verify that the file can be sent in 2^16 block of BLKSIZE octets */
|
|
if ((file_stat.st_size / (data->data_buffer_size - 4)) > 65535)
|
|
{
|
|
tftp_send_error(sockfd, sa, EUNDEF, data->data_buffer, data->data_buffer_size);
|
|
- logger(LOG_NOTICE, "Requested file to big, increase BLKSIZE");
|
|
+ logger(LOG_NOTICE, "Requested file too big, increase BLKSIZE, cannot rollover in multicast transfer");
|
|
if (data->trace)
|
|
logger(LOG_DEBUG, "sent ERROR <code: %d, msg: %s>", EUNDEF,
|
|
tftp_errmsg[EUNDEF]);
|
|
fclose(fp);
|
|
return ERR;
|
|
}
|
|
-
|
|
- /* multicast option */
|
|
- if (data->tftp_options[OPT_MULTICAST].specified &&
|
|
- data->tftp_options[OPT_MULTICAST].enabled && !convert)
|
|
- {
|
|
/*
|
|
* Find a server with the same options to give up the client.
|
|
*/
|
|
@@ -723,6 +724,10 @@
|
|
tftpd_clientlist_ready(data);
|
|
}
|
|
}
|
|
+ if ((file_stat.st_size / (data->data_buffer_size - 4)) > 65535)
|
|
+ {
|
|
+ logger(LOG_NOTICE, "Requested file bigger than tftp is designed to handle, attempting rollover, but not officially in a tftp spec");
|
|
+ }
|
|
|
|
/* copy options to local structure, used when falling back a client to slave */
|
|
memcpy(options, data->tftp_options, sizeof(options));
|
|
@@ -934,7 +939,11 @@
|
|
|
|
client_info->last_ack = ACK_block_number;
|
|
|
|
- block_number = ACK_block_number;
|
|
+ if (block_number < 65534) { // If getting over 65534 packets, switch to rollover, this would have before been a case to give up
|
|
+ block_number = ACK_block_number;
|
|
+ } else { // At this point, the sanity should be checked such that it is a relatively low risk assumption
|
|
+ block_number++;
|
|
+ }
|
|
|
|
if (data->trace)
|
|
logger(LOG_DEBUG, "received ACK <block: %d>",
|