diff options
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/net/getaddrinfo.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/lib/libc/net/getaddrinfo.c b/lib/libc/net/getaddrinfo.c index 87f96c2..bbd73f4 100644 --- a/lib/libc/net/getaddrinfo.c +++ b/lib/libc/net/getaddrinfo.c @@ -237,7 +237,7 @@ static int str_isnumber(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 *, @@ -548,7 +548,8 @@ 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; @@ -1171,11 +1172,12 @@ 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; @@ -1205,6 +1207,14 @@ 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 rfc3493. + */ + GET_CANONNAME(cur->ai_next, canonname); + } while (cur && cur->ai_next) cur = cur->ai_next; } else @@ -1218,6 +1228,14 @@ 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 rfc3493. + */ + GET_CANONNAME(cur->ai_next, canonname); + } while (cur && cur->ai_next) cur = cur->ai_next; } else @@ -1247,7 +1265,7 @@ 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; @@ -1266,11 +1284,11 @@ 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> @@ -1283,7 +1301,7 @@ 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; |
