diff options
| author | Jun-ichiro itojun Hagino <itojun@cvs.openbsd.org> | 2003-05-14 05:38:35 +0000 |
|---|---|---|
| committer | Jun-ichiro itojun Hagino <itojun@cvs.openbsd.org> | 2003-05-14 05:38:35 +0000 |
| commit | 508a765d4315b5b20808cc8504d5434b31125a23 (patch) | |
| tree | a29670c5a126b91b66776dbd6c0632530e7a2414 /lib/libc/net/getaddrinfo.c | |
| parent | 0427d6c444df1344f92062b7f0b02758520e3d3c (diff) | |
fill ai_canonname field for numeric hostname, by the given hostname.
folows new recommendation in RFC3493. markus ok
Diffstat (limited to 'lib/libc/net/getaddrinfo.c')
| -rw-r--r-- | lib/libc/net/getaddrinfo.c | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/lib/libc/net/getaddrinfo.c b/lib/libc/net/getaddrinfo.c index 490b9861ae5..0d14de7499f 100644 --- a/lib/libc/net/getaddrinfo.c +++ b/lib/libc/net/getaddrinfo.c @@ -1,4 +1,4 @@ -/* $OpenBSD: getaddrinfo.c,v 1.46 2003/03/17 23:16:36 jason Exp $ */ +/* $OpenBSD: getaddrinfo.c,v 1.47 2003/05/14 05:38:34 itojun Exp $ */ /* $KAME: getaddrinfo.c,v 1.31 2000/08/31 17:36:43 itojun Exp $ */ /* @@ -203,7 +203,7 @@ static int explore_fqdn(const struct addrinfo *, const char *, static int explore_null(const struct addrinfo *, const char *, struct addrinfo **); static int explore_numeric(const struct addrinfo *, const char *, - const char *, struct addrinfo **); + const char *, struct addrinfo **, const char *); static int explore_numeric_scope(const struct addrinfo *, const char *, const char *, struct addrinfo **); static int get_canonname(const struct addrinfo *, @@ -418,7 +418,8 @@ getaddrinfo(hostname, servname, hints, res) if (hostname == NULL) error = explore_null(pai, servname, &cur->ai_next); else - error = explore_numeric_scope(pai, hostname, servname, &cur->ai_next); + error = explore_numeric_scope(pai, hostname, servname, + &cur->ai_next); if (error) goto free; @@ -673,11 +674,12 @@ free: * numeric hostname */ static int -explore_numeric(pai, hostname, servname, res) +explore_numeric(pai, hostname, servname, res, canonname) const struct addrinfo *pai; const char *hostname; const char *servname; struct addrinfo **res; + const char *canonname; { const struct afd *afd; struct addrinfo *cur; @@ -707,6 +709,14 @@ explore_numeric(pai, hostname, servname, res) pai->ai_family == PF_UNSPEC /*?*/) { GET_AI(cur->ai_next, afd, pton); GET_PORT(cur->ai_next, servname); + if ((pai->ai_flags & AI_CANONNAME)) { + /* + * Set the numeric address itself as + * the canonical name, based on a + * clarification in rfc2553bis-03. + */ + GET_CANONNAME(cur->ai_next, canonname); + } while (cur && cur->ai_next) cur = cur->ai_next; } else @@ -720,6 +730,14 @@ explore_numeric(pai, hostname, servname, res) pai->ai_family == PF_UNSPEC /*?*/) { GET_AI(cur->ai_next, afd, pton); GET_PORT(cur->ai_next, servname); + if ((pai->ai_flags & AI_CANONNAME)) { + /* + * Set the numeric address itself as + * the canonical name, based on a + * clarification in rfc2553bis-03. + */ + GET_CANONNAME(cur->ai_next, canonname); + } while (cur && cur->ai_next) cur = cur->ai_next; } else @@ -749,7 +767,7 @@ explore_numeric_scope(pai, hostname, servname, res) struct addrinfo **res; { #if !defined(SCOPE_DELIMITER) || !defined(INET6) - return explore_numeric(pai, hostname, servname, res); + return explore_numeric(pai, hostname, servname, res, hostname); #else const struct afd *afd; struct addrinfo *cur; @@ -768,11 +786,11 @@ explore_numeric_scope(pai, hostname, servname, res) return 0; if (!afd->a_scoped) - return explore_numeric(pai, hostname, servname, res); + return explore_numeric(pai, hostname, servname, res, hostname); cp = strchr(hostname, SCOPE_DELIMITER); if (cp == NULL) - return explore_numeric(pai, hostname, servname, res); + return explore_numeric(pai, hostname, servname, res, hostname); /* * Handle special case of <scoped_address><delimiter><scope id> @@ -785,7 +803,7 @@ explore_numeric_scope(pai, hostname, servname, res) addr = hostname2; scope = cp + 1; - error = explore_numeric(pai, addr, servname, res); + error = explore_numeric(pai, addr, servname, res, hostname); if (error == 0) { u_int32_t scopeid; |