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ndb/dns: use decimal encoding for txt rr string escapes

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rfc883 suggests to use decimal digits to escape txt rr strings,
and unix dig appears to use the same.
so change from octal to decimal.
This commit is contained in:
cinap_lenrek 2021-11-03 20:38:23 +00:00
parent 6285c19b33
commit c37de33463
2 changed files with 5 additions and 5 deletions
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6
sys/src/cmd/ndb/dblookup.c
View file

@ -459,10 +459,10 @@ txtrr(Ndbtuple*, Ndbtuple *pair)
for(i = 0; i < n && sofar < len; i++){
uint c = pair->val[sofar++];
if(c == '\\' && sofar < len){
if(pair->val[sofar] >= '0' && pair->val[sofar] <= '7'){
if(pair->val[sofar] >= '0' && pair->val[sofar] <= '9'){
c = pair->val[sofar++] - '0';
while(pair->val[sofar] >= '0' && pair->val[sofar] <= '7')
c = (c << 3) | (pair->val[sofar++] - '0');
while(pair->val[sofar] >= '0' && pair->val[sofar] <= '9')
c = (c * 10) + (pair->val[sofar++] - '0');
} else {
c = pair->val[sofar++];
}

4
sys/src/cmd/ndb/dn.c
View file

@ -1201,7 +1201,7 @@ idnname(DN *dn, char *buf, int nbuf)
* control characters and double quotes (") which would
* collide with ndb(6) format.
* escape special characters by encoding them as: \DDD
* where D is a octal digit. backslash (\) is escaped
* where D is a decimal digit. backslash (\) is escaped
* by doubling. valid utf8 is encoded verbatim.
*/
int
@ -1227,7 +1227,7 @@ bslashfmt(Fmt *f)
}
c = *data;
if(c < ' ' || c == '"' || c > '~')
out += fmtprint(f, "\\%.3o", c);
out += fmtprint(f, "\\%.3d", c);
else if(c == '\\')
out += fmtprint(f, "\\\\");
else