mirror of
https://github.com/xcat2/xcat-dep.git
synced 2024-11-24 10:29:53 +00:00
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
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--- atftp-0.7.dfsg/tftpd_pcre.c 2003-04-24 20:16:19.000000000 -0400
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+++ atftp-0.7.dfsg-bigfiles/tftpd_pcre.c 2008-06-09 15:37:51.000000000 -0400
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@@ -213,7 +213,7 @@
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/* found string */
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if (rc > 0)
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{
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- Strncpy(outchp, tmpstr, rc);
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+ Strncpy(outchp, tmpstr, rc+1); // atftp's Strncpy seems to have a bug, since rest of codebase seems contented, not changing that..
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outchp += rc;
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pcre_free_substring(tmpstr);
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continue;
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diff -ur atftp-0.7.dfsg/tftpd_file.c atftp-0.7.dfsg-bigfiles/tftpd_file.c
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--- atftp-0.7.dfsg/tftpd_file.c 2008-06-09 14:18:29.000000000 -0400
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+++ atftp-0.7.dfsg-bigfiles/tftpd_file.c 2008-06-09 14:23:17.000000000 -0400
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@@ -608,22 +608,23 @@
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logger(LOG_INFO, "blksize option -> %d", result);
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}
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+
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+ /* multicast option */
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+ if (data->tftp_options[OPT_MULTICAST].specified &&
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+ data->tftp_options[OPT_MULTICAST].enabled && !convert)
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+ {
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+ /* Relax the restriction of number of packets to only complian when multicast is attempted */
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/* Verify that the file can be sent in 2^16 block of BLKSIZE octets */
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if ((file_stat.st_size / (data->data_buffer_size - 4)) > 65535)
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{
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tftp_send_error(sockfd, sa, EUNDEF, data->data_buffer, data->data_buffer_size);
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- logger(LOG_NOTICE, "Requested file to big, increase BLKSIZE");
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+ logger(LOG_NOTICE, "Requested file too big, increase BLKSIZE, cannot rollover in multicast transfer");
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if (data->trace)
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logger(LOG_DEBUG, "sent ERROR <code: %d, msg: %s>", EUNDEF,
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tftp_errmsg[EUNDEF]);
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fclose(fp);
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return ERR;
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}
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-
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- /* multicast option */
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- if (data->tftp_options[OPT_MULTICAST].specified &&
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- data->tftp_options[OPT_MULTICAST].enabled && !convert)
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- {
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/*
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* Find a server with the same options to give up the client.
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*/
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@@ -723,6 +724,10 @@
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tftpd_clientlist_ready(data);
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}
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}
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+ if ((file_stat.st_size / (data->data_buffer_size - 4)) > 65535)
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+ {
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+ logger(LOG_NOTICE, "Requested file bigger than tftp is designed to handle, attempting rollover, but not officially in a tftp spec");
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+ }
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/* copy options to local structure, used when falling back a client to slave */
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memcpy(options, data->tftp_options, sizeof(options));
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@@ -934,7 +939,11 @@
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client_info->last_ack = ACK_block_number;
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- block_number = ACK_block_number;
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+ if (block_number < 65534) { // If getting over 65534 packets, switch to rollover, this would have before been a case to give up
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+ block_number = ACK_block_number;
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+ } else { // At this point, the sanity should be checked such that it is a relatively low risk assumption
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+ block_number++;
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+ }
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if (data->trace)
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logger(LOG_DEBUG, "received ACK <block: %d>",
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