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Code Issues Releases Wiki Activity

ircd::rfc1035: Fix any uninitialized gaps in the name buffer.

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This commit is contained in:
Jason Volk 2018-04-28 18:47:17 -07:00
parent 12146cd39a
commit 6d771191fc
1 changed files with 2 additions and 0 deletions
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2
ircd/rfc1035.cc
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@ -353,6 +353,7 @@ ircd::rfc1035::make_name(const mutable_buffer &out,
{ {
assert(!empty(out)); assert(!empty(out));
char *pos{data(out)}; char *pos{data(out)};
*pos = '\0';
ircd::tokens(fqdn, '.', [&pos, &out](const string_view &label) ircd::tokens(fqdn, '.', [&pos, &out](const string_view &label)
{ {
if(unlikely(size(label) >= 64)) if(unlikely(size(label) >= 64))
@ -362,6 +363,7 @@ ircd::rfc1035::make_name(const mutable_buffer &out,
}; };
*pos++ = size(label); *pos++ = size(label);
*pos = '\0';
pos += strlcpy(pos, label, std::distance(pos, end(out))); pos += strlcpy(pos, label, std::distance(pos, end(out)));
}); });