RepoMirrors
/
musl
mirror of git://git.musl-libc.org/musl
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

in performing dns lookups, check result from res_mkquery 

don't send a query that may be malformed.
This commit is contained in:
Natanael Copa 2016-05-25 11:22:13 +02:00 committed by Rich Felker
parent 5c43e1dbc8
commit 04bced403d
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/network/lookup_name.c
View File

@ -145,11 +145,15 @@ static int name_from_dns(struct address buf[static MAXADDRS], char canon[static
if (family != AF_INET6) {
qlens[nq] = __res_mkquery(0, name, 1, RR_A, 0, 0, 0,
qbuf[nq], sizeof *qbuf);
if (qlens[nq] == -1)
return EAI_NONAME;
nq++;
}
if (family != AF_INET) {
qlens[nq] = __res_mkquery(0, name, 1, RR_AAAA, 0, 0, 0,
qbuf[nq], sizeof *qbuf);
if (qlens[nq] == -1)
return EAI_NONAME;
nq++;
}