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Correctly encode LOC records with non integer negative altitudes.

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Mark Andrews 2020-08-23 01:38:17 +10:00 committed by Ondřej Surý
parent 888dfd78c7
commit 337cc878fa
1 changed files with 7 additions and 0 deletions
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7
lib/dns/rdata/generic/loc_29.c
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@ -27,6 +27,7 @@ fromtext_loc(ARGS_FROMTEXT) {
unsigned char version;
bool east = false;
bool north = false;
bool negative = false;
long tmp;
long m;
long cm;
@ -280,6 +281,9 @@ getalt:
*/
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
false));
if (DNS_AS_STR(token)[0] == '-') {
negative = true;
}
m = strtol(DNS_AS_STR(token), &e, 10);
if (*e != 0 && *e != '.' && *e != 'm') {
RETTOK(DNS_R_SYNTAX);
@ -324,6 +328,9 @@ getalt:
/*
* Adjust base.
*/
if (m < 0 || negative) {
cm = -cm;
}
altitude = m + 100000;
altitude *= 100;
altitude += cm;