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- More braces and formatting for Fix for EDNS EDE size calculation to
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  avoid future bugs.
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gthess committed Aug 1, 2023
1 parent 990b12b commit 8aec671
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Showing 2 changed files with 8 additions and 6 deletions.
2 changes: 2 additions & 0 deletions doc/Changelog
Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,8 @@
when there isn't enough space.
- For #911: Try to trim EXTRA-TEXT (and LDNS_EDE_OTHER options
altogether) before giving up on attaching EDE options.
- More braces and formatting for Fix for EDNS EDE size calculation to
avoid future bugs.

1 August 2023: Wouter
- Fix for EDNS EDE size calculation.
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12 changes: 6 additions & 6 deletions util/data/msgencode.c
Original file line number Diff line number Diff line change
Expand Up @@ -835,21 +835,21 @@ calc_ede_option_size(struct edns_data* edns, uint16_t* txt_size)
for(opt = edns->opt_list_inplace_cb_out; opt; opt = opt->next) {
if(opt->opt_code == LDNS_EDNS_EDE) {
rdatalen += 4 + opt->opt_len;
if(opt->opt_len > 2)
*txt_size += opt->opt_len - 2;
if(opt->opt_len > 2) *txt_size += opt->opt_len - 2;
if(opt->opt_len >= 2 && sldns_read_uint16(
opt->opt_data) == LDNS_EDE_OTHER)
opt->opt_data) == LDNS_EDE_OTHER) {
*txt_size += 4 + 2;
}
}
}
for(opt = edns->opt_list_out; opt; opt = opt->next) {
if(opt->opt_code == LDNS_EDNS_EDE) {
rdatalen += 4 + opt->opt_len;
if(opt->opt_len > 2)
*txt_size += opt->opt_len - 2;
if(opt->opt_len > 2) *txt_size += opt->opt_len - 2;
if(opt->opt_len >= 2 && sldns_read_uint16(
opt->opt_data) == LDNS_EDE_OTHER)
opt->opt_data) == LDNS_EDE_OTHER) {
*txt_size += 4 + 2;
}
}
}
return rdatalen;
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