diff options
Diffstat (limited to 'core/tcp_wrappers/tcp-wrappers-7.6-ipv6-1.14.patch')
| -rw-r--r-- | core/tcp_wrappers/tcp-wrappers-7.6-ipv6-1.14.patch | 1233 |
1 files changed, 1233 insertions, 0 deletions
diff --git a/core/tcp_wrappers/tcp-wrappers-7.6-ipv6-1.14.patch b/core/tcp_wrappers/tcp-wrappers-7.6-ipv6-1.14.patch new file mode 100644 index 000000000..c1593d051 --- /dev/null +++ b/core/tcp_wrappers/tcp-wrappers-7.6-ipv6-1.14.patch @@ -0,0 +1,1233 @@ +;; IPv6 patch for tcp_wrappers_7.6 1.14 +;; Dec 29, 2001 by Hajimu UMEMOTO <ume@mahoroba.org> +;; +;; This patch supports IPv4/IPv6 dual stack and IPv4-mapped IPv6 address. +;; You can replace stock tcpd or libwrap.a with this. +;; IPv6 address pattern is as a `[net]/prefixlen' pair. +;; This patch was tested on KAME/FreeBSD, KAME/FreeBSD3, KAME/NetBSD, +;; RedHat 5.1 with kernel 2.1.126, and RedHat 6.0 with kernel 2.2.10. +;; Solaris 8 is now supported. Thanks Alexander Gall <gall@switch.ch> +;; and Shigechika AIKAWA <shige@cin.nihon-u.ac.jp>. +;; +;; This version is using getaddrinfo()/getnameinfo() instead of +;; getipnode*() to support scoped address. Use of +;; getaddrinfo()/getnameinfo() and scoped address support is only +;; tested on KAME. +;; +;; CAUTION: +;; Back out change for field separater. Now, field separater is `:' +;; not `|'. To specify IPv6 address, enclose IPv6 address with `[' +;; and `]'. +;; +;; For Linux users: +;; If your libc doesn't have sockaddr_storage, try target `linux-old'. +diff -u src/tcp_wrappers/fix_options.c:1.1.1.1 src/tcp_wrappers/fix_options.c:1.4 +--- src/tcp_wrappers/fix_options.c:1.1.1.1 Tue May 4 21:56:04 1999 ++++ src/tcp_wrappers/fix_options.c Tue Sep 28 04:13:19 1999 +@@ -11,6 +11,9 @@ + + #include <sys/types.h> + #include <sys/param.h> ++#ifdef INET6 ++#include <sys/socket.h> ++#endif + #include <netinet/in.h> + #include <netinet/in_systm.h> + #include <netinet/ip.h> +@@ -41,6 +44,22 @@ + unsigned int opt; + int optlen; + struct in_addr dummy; ++#ifdef INET6 ++ struct sockaddr_storage ss; ++ int sslen; ++ ++ /* ++ * check if this is AF_INET socket ++ * XXX IPv6 support? ++ */ ++ sslen = sizeof(ss); ++ if (getsockname(fd, (struct sockaddr *)&ss, &sslen) < 0) { ++ syslog(LOG_ERR, "getpeername: %m"); ++ clean_exit(request); ++ } ++ if (ss.ss_family != AF_INET) ++ return; ++#endif + + if ((ip = getprotobyname("ip")) != 0) + ipproto = ip->p_proto; +Index: src/tcp_wrappers/inetcf.c +diff -u src/tcp_wrappers/inetcf.c:1.1.1.1 src/tcp_wrappers/inetcf.c:1.2 +--- src/tcp_wrappers/inetcf.c:1.1.1.1 Tue May 4 21:56:04 1999 ++++ src/tcp_wrappers/inetcf.c Tue May 4 21:58:36 1999 +@@ -26,6 +26,9 @@ + * guesses. Shorter names follow longer ones. + */ + char *inet_files[] = { ++#ifdef INET6 ++ "/usr/local/v6/etc/inet6d.conf", /* KAME */ ++#endif + "/private/etc/inetd.conf", /* NEXT */ + "/etc/inet/inetd.conf", /* SYSV4 */ + "/usr/etc/inetd.conf", /* IRIX?? */ +Index: src/tcp_wrappers/misc.c +diff -u src/tcp_wrappers/misc.c:1.1.1.1 src/tcp_wrappers/misc.c:1.4 +--- src/tcp_wrappers/misc.c:1.1.1.1 Tue May 4 21:56:04 1999 ++++ src/tcp_wrappers/misc.c Mon Aug 23 01:32:43 1999 +@@ -58,9 +58,31 @@ + { + char *cp; + ++#ifdef INET6 ++ int bracket = 0; ++ ++ for (cp = string; cp && *cp; cp++) { ++ switch (*cp) { ++ case '[': ++ bracket++; ++ break; ++ case ']': ++ bracket--; ++ break; ++ default: ++ if (bracket == 0 && *cp == delimiter) { ++ *cp++ = 0; ++ return cp; ++ } ++ break; ++ } ++ } ++ return (NULL); ++#else + if ((cp = strchr(string, delimiter)) != 0) + *cp++ = 0; + return (cp); ++#endif + } + + /* dot_quad_addr - convert dotted quad to internal form */ +Index: src/tcp_wrappers/refuse.c +diff -u src/tcp_wrappers/refuse.c:1.1.1.1 src/tcp_wrappers/refuse.c:1.2 +--- src/tcp_wrappers/refuse.c:1.1.1.1 Tue May 4 21:56:04 1999 ++++ src/tcp_wrappers/refuse.c Tue May 4 21:58:36 1999 +@@ -25,7 +25,12 @@ + void refuse(request) + struct request_info *request; + { ++#ifdef INET6 ++ syslog(deny_severity, "refused connect from %s (%s)", ++ eval_client(request), eval_hostaddr(request->client)); ++#else + syslog(deny_severity, "refused connect from %s", eval_client(request)); ++#endif + clean_exit(request); + /* NOTREACHED */ + } +Index: src/tcp_wrappers/rfc931.c +diff -u src/tcp_wrappers/rfc931.c:1.1.1.1 src/tcp_wrappers/rfc931.c:1.7 +--- src/tcp_wrappers/rfc931.c:1.1.1.1 Tue May 4 21:56:04 1999 ++++ src/tcp_wrappers/rfc931.c Mon Aug 23 01:32:43 1999 +@@ -68,20 +68,50 @@ + /* rfc931 - return remote user name, given socket structures */ + + void rfc931(rmt_sin, our_sin, dest) ++#ifdef INET6 ++struct sockaddr *rmt_sin; ++struct sockaddr *our_sin; ++#else + struct sockaddr_in *rmt_sin; + struct sockaddr_in *our_sin; ++#endif + char *dest; + { + unsigned rmt_port; + unsigned our_port; ++#ifdef INET6 ++ struct sockaddr_storage rmt_query_sin; ++ struct sockaddr_storage our_query_sin; ++ int alen; ++#else + struct sockaddr_in rmt_query_sin; + struct sockaddr_in our_query_sin; ++#endif + char user[256]; /* XXX */ + char buffer[512]; /* XXX */ + char *cp; + char *result = unknown; + FILE *fp; + ++#ifdef INET6 ++ /* address family must be the same */ ++ if (rmt_sin->sa_family != our_sin->sa_family) { ++ STRN_CPY(dest, result, STRING_LENGTH); ++ return; ++ } ++ switch (our_sin->sa_family) { ++ case AF_INET: ++ alen = sizeof(struct sockaddr_in); ++ break; ++ case AF_INET6: ++ alen = sizeof(struct sockaddr_in6); ++ break; ++ default: ++ STRN_CPY(dest, result, STRING_LENGTH); ++ return; ++ } ++#endif ++ + /* + * Use one unbuffered stdio stream for writing to and for reading from + * the RFC931 etc. server. This is done because of a bug in the SunOS +@@ -92,7 +122,11 @@ + * sockets. + */ + ++#ifdef INET6 ++ if ((fp = fsocket(our_sin->sa_family, SOCK_STREAM, 0)) != 0) { ++#else + if ((fp = fsocket(AF_INET, SOCK_STREAM, 0)) != 0) { ++#endif + setbuf(fp, (char *) 0); + + /* +@@ -112,6 +146,25 @@ + * addresses from the query socket. + */ + ++#ifdef INET6 ++ memcpy(&our_query_sin, our_sin, alen); ++ memcpy(&rmt_query_sin, rmt_sin, alen); ++ switch (our_sin->sa_family) { ++ case AF_INET: ++ ((struct sockaddr_in *)&our_query_sin)->sin_port = htons(ANY_PORT); ++ ((struct sockaddr_in *)&rmt_query_sin)->sin_port = htons(RFC931_PORT); ++ break; ++ case AF_INET6: ++ ((struct sockaddr_in6 *)&our_query_sin)->sin6_port = htons(ANY_PORT); ++ ((struct sockaddr_in6 *)&rmt_query_sin)->sin6_port = htons(RFC931_PORT); ++ break; ++ } ++ ++ if (bind(fileno(fp), (struct sockaddr *) & our_query_sin, ++ alen) >= 0 && ++ connect(fileno(fp), (struct sockaddr *) & rmt_query_sin, ++ alen) >= 0) { ++#else + our_query_sin = *our_sin; + our_query_sin.sin_port = htons(ANY_PORT); + rmt_query_sin = *rmt_sin; +@@ -121,6 +174,7 @@ + sizeof(our_query_sin)) >= 0 && + connect(fileno(fp), (struct sockaddr *) & rmt_query_sin, + sizeof(rmt_query_sin)) >= 0) { ++#endif + + /* + * Send query to server. Neglect the risk that a 13-byte +@@ -129,8 +183,13 @@ + */ + + fprintf(fp, "%u,%u\r\n", ++#ifdef INET6 ++ ntohs(((struct sockaddr_in *)rmt_sin)->sin_port), ++ ntohs(((struct sockaddr_in *)our_sin)->sin_port)); ++#else + ntohs(rmt_sin->sin_port), + ntohs(our_sin->sin_port)); ++#endif + fflush(fp); + + /* +@@ -144,8 +203,13 @@ + && ferror(fp) == 0 && feof(fp) == 0 + && sscanf(buffer, "%u , %u : USERID :%*[^:]:%255s", + &rmt_port, &our_port, user) == 3 ++#ifdef INET6 ++ && ntohs(((struct sockaddr_in *)rmt_sin)->sin_port) == rmt_port ++ && ntohs(((struct sockaddr_in *)our_sin)->sin_port) == our_port) { ++#else + && ntohs(rmt_sin->sin_port) == rmt_port + && ntohs(our_sin->sin_port) == our_port) { ++#endif + + /* + * Strip trailing carriage return. It is part of the +Index: src/tcp_wrappers/scaffold.c +diff -u src/tcp_wrappers/scaffold.c:1.1.1.1 src/tcp_wrappers/scaffold.c:1.12 +--- src/tcp_wrappers/scaffold.c:1.1.1.1 Tue May 4 21:56:04 1999 ++++ src/tcp_wrappers/scaffold.c Fri May 5 18:54:46 2000 +@@ -39,6 +41,7 @@ + int deny_severity = LOG_WARNING; + int rfc931_timeout = RFC931_TIMEOUT; + ++#ifndef INET6 + /* dup_hostent - create hostent in one memory block */ + + static struct hostent *dup_hostent(hp) +@@ -73,9 +76,46 @@ + } + return (&hb->host); + } ++#endif + + /* find_inet_addr - find all addresses for this host, result to free() */ + ++#ifdef INET6 ++struct addrinfo *find_inet_addr(host) ++char *host; ++{ ++ struct addrinfo hints, *res; ++ ++ memset(&hints, 0, sizeof(hints)); ++ hints.ai_family = PF_UNSPEC; ++ hints.ai_socktype = SOCK_STREAM; ++ hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST; ++ if (getaddrinfo(host, NULL, &hints, &res) == 0) ++ return (res); ++ ++ memset(&hints, 0, sizeof(hints)); ++ hints.ai_family = PF_UNSPEC; ++ hints.ai_socktype = SOCK_STREAM; ++ hints.ai_flags = AI_PASSIVE | AI_CANONNAME; ++ if (getaddrinfo(host, NULL, &hints, &res) != 0) { ++ tcpd_warn("%s: host not found", host); ++ return (0); ++ } ++ if (res->ai_family != AF_INET6 && res->ai_family != AF_INET) { ++ tcpd_warn("%d: not an internet host", res->ai_family); ++ freeaddrinfo(res); ++ return (0); ++ } ++ if (!res->ai_canonname) { ++ tcpd_warn("%s: hostname alias", host); ++ tcpd_warn("(cannot obtain official name)", res->ai_canonname); ++ } else if (STR_NE(host, res->ai_canonname)) { ++ tcpd_warn("%s: hostname alias", host); ++ tcpd_warn("(official name: %.*s)", STRING_LENGTH, res->ai_canonname); ++ } ++ return (res); ++} ++#else + struct hostent *find_inet_addr(host) + char *host; + { +@@ -118,6 +158,7 @@ + } + return (dup_hostent(hp)); + } ++#endif + + /* check_dns - give each address thorough workout, return address count */ + +@@ -125,8 +166,13 @@ + char *host; + { + struct request_info request; ++#ifdef INET6 ++ struct sockaddr_storage sin; ++ struct addrinfo *hp, *res; ++#else + struct sockaddr_in sin; + struct hostent *hp; ++#endif + int count; + char *addr; + +@@ -134,11 +180,18 @@ + return (0); + request_init(&request, RQ_CLIENT_SIN, &sin, 0); + sock_methods(&request); ++#ifndef INET6 + memset((char *) &sin, 0, sizeof(sin)); + sin.sin_family = AF_INET; ++#endif + ++#ifdef INET6 ++ for (res = hp, count = 0; res; res = res->ai_next, count++) { ++ memcpy(&sin, res->ai_addr, res->ai_addrlen); ++#else + for (count = 0; (addr = hp->h_addr_list[count]) != 0; count++) { + memcpy((char *) &sin.sin_addr, addr, sizeof(sin.sin_addr)); ++#endif + + /* + * Force host name and address conversions. Use the request structure +@@ -151,7 +204,11 @@ + tcpd_warn("host address %s->name lookup failed", + eval_hostaddr(request.client)); + } ++#ifdef INET6 ++ freeaddrinfo(hp); ++#else + free((char *) hp); ++#endif + return (count); + } + +Index: src/tcp_wrappers/scaffold.h +diff -u src/tcp_wrappers/scaffold.h:1.1.1.1 src/tcp_wrappers/scaffold.h:1.2 +--- src/tcp_wrappers/scaffold.h:1.1.1.1 Tue May 4 21:56:04 1999 ++++ src/tcp_wrappers/scaffold.h Fri May 5 18:28:13 2000 +@@ -4,6 +4,10 @@ + * Author: Wietse Venema, Eindhoven University of Technology, The Netherlands. + */ + ++#ifdef INET6 ++extern struct addrinfo *find_inet_addr(); ++#else + extern struct hostent *find_inet_addr(); ++#endif + extern int check_dns(); + extern int check_path(); +Index: src/tcp_wrappers/socket.c +diff -u src/tcp_wrappers/socket.c:1.1.1.1 src/tcp_wrappers/socket.c:1.20 +--- src/tcp_wrappers/socket.c:1.1.1.1 Tue May 4 21:56:04 1999 ++++ src/tcp_wrappers/socket.c Thu Jul 5 05:26:07 2001 +@@ -24,13 +24,22 @@ + #include <sys/types.h> + #include <sys/param.h> + #include <sys/socket.h> ++#ifdef INT32_T ++typedef uint32_t u_int32_t; ++#endif + #include <netinet/in.h> + #include <netdb.h> + #include <stdio.h> + #include <syslog.h> + #include <string.h> + ++#ifdef INET6 ++#ifndef NI_WITHSCOPEID ++#define NI_WITHSCOPEID 0 ++#endif ++#else + extern char *inet_ntoa(); ++#endif + + /* Local stuff. */ + +@@ -74,8 +83,13 @@ + void sock_host(request) + struct request_info *request; + { ++#ifdef INET6 ++ static struct sockaddr_storage client; ++ static struct sockaddr_storage server; ++#else + static struct sockaddr_in client; + static struct sockaddr_in server; ++#endif + int len; + char buf[BUFSIZ]; + int fd = request->fd; +@@ -104,7 +118,11 @@ + memset(buf, 0 sizeof(buf)); + #endif + } ++#ifdef INET6 ++ request->client->sin = (struct sockaddr *)&client; ++#else + request->client->sin = &client; ++#endif + + /* + * Determine the server binding. This is used for client username +@@ -117,7 +135,11 @@ + tcpd_warn("getsockname: %m"); + return; + } ++#ifdef INET6 ++ request->server->sin = (struct sockaddr *)&server; ++#else + request->server->sin = &server; ++#endif + } + + /* sock_hostaddr - map endpoint address to printable form */ +@@ -125,10 +147,26 @@ + void sock_hostaddr(host) + struct host_info *host; + { ++#ifdef INET6 ++ struct sockaddr *sin = host->sin; ++ int salen; ++ ++ if (!sin) ++ return; ++#ifdef SIN6_LEN ++ salen = sin->sa_len; ++#else ++ salen = (sin->sa_family == AF_INET) ? sizeof(struct sockaddr_in) ++ : sizeof(struct sockaddr_in6); ++#endif ++ getnameinfo(sin, salen, host->addr, sizeof(host->addr), ++ NULL, 0, NI_NUMERICHOST | NI_WITHSCOPEID); ++#else + struct sockaddr_in *sin = host->sin; + + if (sin != 0) + STRN_CPY(host->addr, inet_ntoa(sin->sin_addr), sizeof(host->addr)); ++#endif + } + + /* sock_hostname - map endpoint address to host name */ +@@ -136,6 +174,160 @@ + void sock_hostname(host) + struct host_info *host; + { ++#ifdef INET6 ++ struct sockaddr *sin = host->sin; ++ struct sockaddr_in sin4; ++ struct addrinfo hints, *res, *res0 = NULL; ++ int salen, alen, err = 1; ++ char *ap = NULL, *rap, hname[NI_MAXHOST]; ++ ++ if (sin != NULL) { ++ if (sin->sa_family == AF_INET6) { ++ struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sin; ++ ++ if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { ++ memset(&sin4, 0, sizeof(sin4)); ++#ifdef SIN6_LEN ++ sin4.sin_len = sizeof(sin4); ++#endif ++ sin4.sin_family = AF_INET; ++ sin4.sin_port = sin6->sin6_port; ++ sin4.sin_addr.s_addr = *(u_int32_t *)&sin6->sin6_addr.s6_addr[12]; ++ sin = (struct sockaddr *)&sin4; ++ } ++ } ++ switch (sin->sa_family) { ++ case AF_INET: ++ ap = (char *)&((struct sockaddr_in *)sin)->sin_addr; ++ alen = sizeof(struct in_addr); ++ salen = sizeof(struct sockaddr_in); ++ break; ++ case AF_INET6: ++ ap = (char *)&((struct sockaddr_in6 *)sin)->sin6_addr; ++ alen = sizeof(struct in6_addr); ++ salen = sizeof(struct sockaddr_in6); ++ break; ++ default: ++ break; ++ } ++ if (ap) ++ err = getnameinfo(sin, salen, hname, sizeof(hname), ++ NULL, 0, NI_WITHSCOPEID | NI_NAMEREQD); ++ } ++ if (!err) { ++ ++ STRN_CPY(host->name, hname, sizeof(host->name)); ++ ++ /* reject numeric addresses */ ++ memset(&hints, 0, sizeof(hints)); ++ hints.ai_family = sin->sa_family; ++ hints.ai_socktype = SOCK_STREAM; ++ hints.ai_flags = AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST; ++ if ((err = getaddrinfo(host->name, NULL, &hints, &res0)) == 0) { ++ freeaddrinfo(res0); ++ res0 = NULL; ++ tcpd_warn("host name/name mismatch: " ++ "reverse lookup results in non-FQDN %s", ++ host->name); ++ strcpy(host->name, paranoid); /* name is bad, clobber it */ ++ } ++ err = !err; ++ } ++ if (!err) { ++ /* we are now sure that this is non-numeric */ ++ ++ /* ++ * Verify that the address is a member of the address list returned ++ * by gethostbyname(hostname). ++ * ++ * Verify also that gethostbyaddr() and gethostbyname() return the same ++ * hostname, or rshd and rlogind may still end up being spoofed. ++ * ++ * On some sites, gethostbyname("localhost") returns "localhost.domain". ++ * This is a DNS artefact. We treat it as a special case. When we ++ * can't believe the address list from gethostbyname("localhost") ++ * we're in big trouble anyway. ++ */ ++ ++ memset(&hints, 0, sizeof(hints)); ++ hints.ai_family = sin->sa_family; ++ hints.ai_socktype = SOCK_STREAM; ++ hints.ai_flags = AI_PASSIVE | AI_CANONNAME; ++ if (getaddrinfo(host->name, NULL, &hints, &res0) != 0) { ++ ++ /* ++ * Unable to verify that the host name matches the address. This ++ * may be a transient problem or a botched name server setup. ++ */ ++ ++ tcpd_warn("can't verify hostname: getaddrinfo(%s, %s) failed", ++ host->name, ++ (sin->sa_family == AF_INET) ? "AF_INET" : "AF_INET6"); ++ ++ } else if ((res0->ai_canonname == NULL ++ || STR_NE(host->name, res0->ai_canonname)) ++ && STR_NE(host->name, "localhost")) { ++ ++ /* ++ * The gethostbyaddr() and gethostbyname() calls did not return ++ * the same hostname. This could be a nameserver configuration ++ * problem. It could also be that someone is trying to spoof us. ++ */ ++ ++ tcpd_warn("host name/name mismatch: %s != %.*s", ++ host->name, STRING_LENGTH, ++ (res0->ai_canonname == NULL) ? "" : res0->ai_canonname); ++ ++ } else { ++ ++ /* ++ * The address should be a member of the address list returned by ++ * gethostbyname(). We should first verify that the h_addrtype ++ * field is AF_INET, but this program has already caused too much ++ * grief on systems with broken library code. ++ */ ++ ++ for (res = res0; res; res = res->ai_next) { ++ if (res->ai_family != sin->sa_family) ++ continue; ++ switch (res->ai_family) { ++ case AF_INET: ++ rap = (char *)&((struct sockaddr_in *)res->ai_addr)->sin_addr; ++ break; ++ case AF_INET6: ++ /* need to check scope_id */ ++ if (((struct sockaddr_in6 *)sin)->sin6_scope_id != ++ ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id) { ++ continue; ++ } ++ rap = (char *)&((struct sockaddr_in6 *)res->ai_addr)->sin6_addr; ++ break; ++ default: ++ continue; ++ } ++ if (memcmp(rap, ap, alen) == 0) { ++ freeaddrinfo(res0); ++ return; /* name is good, keep it */ ++ } ++ } ++ ++ /* ++ * The host name does not map to the initial address. Perhaps ++ * someone has messed up. Perhaps someone compromised a name ++ * server. ++ */ ++ ++ getnameinfo(sin, salen, hname, sizeof(hname), ++ NULL, 0, NI_NUMERICHOST | NI_WITHSCOPEID); ++ tcpd_warn("host name/address mismatch: %s != %.*s", ++ hname, STRING_LENGTH, ++ (res0->ai_canonname == NULL) ? "" : res0->ai_canonname); ++ } ++ strcpy(host->name, paranoid); /* name is bad, clobber it */ ++ if (res0) ++ freeaddrinfo(res0); ++ } ++#else /* INET6 */ + struct sockaddr_in *sin = host->sin; + struct hostent *hp; + int i; +@@ -215,6 +407,7 @@ + } + strcpy(host->name, paranoid); /* name is bad, clobber it */ + } ++#endif /* INET6 */ + } + + /* sock_sink - absorb unreceived IP datagram */ +@@ -223,7 +416,11 @@ + int fd; + { + char buf[BUFSIZ]; ++#ifdef INET6 ++ struct sockaddr_storage sin; ++#else + struct sockaddr_in sin; ++#endif + int size = sizeof(sin); + + /* +Index: src/tcp_wrappers/tcpd.c +diff -u src/tcp_wrappers/tcpd.c:1.1.1.1 src/tcp_wrappers/tcpd.c:1.2 +--- src/tcp_wrappers/tcpd.c:1.1.1.1 Tue May 4 21:56:04 1999 ++++ src/tcp_wrappers/tcpd.c Tue May 4 21:58:36 1999 +@@ -120,7 +120,12 @@ + + /* Report request and invoke the real daemon program. */ + ++#ifdef INET6 ++ syslog(allow_severity, "connect from %s (%s)", ++ eval_client(&request), eval_hostaddr(request.client)); ++#else + syslog(allow_severity, "connect from %s", eval_client(&request)); ++#endif + closelog(); + (void) execv(path, argv); + syslog(LOG_ERR, "error: cannot execute %s: %m", path); +Index: src/tcp_wrappers/tcpd.h +diff -u src/tcp_wrappers/tcpd.h:1.1.1.1 src/tcp_wrappers/tcpd.h:1.7 +--- src/tcp_wrappers/tcpd.h:1.1.1.1 Tue May 4 21:56:04 1999 ++++ src/tcp_wrappers/tcpd.h Mon Aug 23 01:32:43 1999 +@@ -11,7 +11,11 @@ + struct host_info { + char name[STRING_LENGTH]; /* access via eval_hostname(host) */ + char addr[STRING_LENGTH]; /* access via eval_hostaddr(host) */ ++#ifdef INET6 ++ struct sockaddr *sin; /* socket address or 0 */ ++#else + struct sockaddr_in *sin; /* socket address or 0 */ ++#endif + struct t_unitdata *unit; /* TLI transport address or 0 */ + struct request_info *request; /* for shared information */ + }; +Index: src/tcp_wrappers/tcpdchk.c +diff -u src/tcp_wrappers/tcpdchk.c:1.1.1.1 src/tcp_wrappers/tcpdchk.c:1.5 +--- src/tcp_wrappers/tcpdchk.c:1.1.1.1 Tue May 4 21:56:04 1999 ++++ src/tcp_wrappers/tcpdchk.c Fri May 5 18:28:13 2000 +@@ -22,6 +22,9 @@ + + #include <sys/types.h> + #include <sys/stat.h> ++#ifdef INET6 ++#include <sys/socket.h> ++#endif + #include <netinet/in.h> + #include <arpa/inet.h> + #include <stdio.h> +@@ -397,6 +400,31 @@ + } + } + ++#ifdef INET6 ++static int is_inet6_addr(pat) ++ char *pat; ++{ ++ struct addrinfo hints, *res; ++ int len, ret; ++ char ch; ++ ++ if (*pat != '[') ++ return (0); ++ len = strlen(pat); ++ if ((ch = pat[len - 1]) != ']') ++ return (0); ++ pat[len - 1] = '\0'; ++ memset(&hints, 0, sizeof(hints)); ++ hints.ai_family = AF_INET6; ++ hints.ai_socktype = SOCK_STREAM; ++ hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST; ++ if ((ret = getaddrinfo(pat + 1, NULL, &hints, &res)) == 0) ++ freeaddrinfo(res); ++ pat[len - 1] = ch; ++ return (ret == 0); ++} ++#endif ++ + /* check_host - criticize host pattern */ + + static int check_host(pat) +@@ -423,14 +451,27 @@ + #endif + #endif + } else if (mask = split_at(pat, '/')) { /* network/netmask */ ++#ifdef INET6 ++ int mask_len; ++ ++ if ((dot_quad_addr(pat) == INADDR_NONE ++ || dot_quad_addr(mask) == INADDR_NONE) ++ && (!is_inet6_addr(pat) ++ || ((mask_len = atoi(mask)) < 0 || mask_len > 128))) ++#else + if (dot_quad_addr(pat) == INADDR_NONE + || dot_quad_addr(mask) == INADDR_NONE) ++#endif + tcpd_warn("%s/%s: bad net/mask pattern", pat, mask); + } else if (STR_EQ(pat, "FAIL")) { /* obsolete */ + tcpd_warn("FAIL is no longer recognized"); + tcpd_warn("(use EXCEPT or DENY instead)"); + } else if (reserved_name(pat)) { /* other reserved */ + /* void */ ; ++#ifdef INET6 ++ } else if (is_inet6_addr(pat)) { /* IPv6 address */ ++ addr_count = 1; ++#endif + } else if (NOT_INADDR(pat)) { /* internet name */ + if (pat[strlen(pat) - 1] == '.') { + tcpd_warn("%s: domain or host name ends in dot", pat); +Index: src/tcp_wrappers/tcpdmatch.c +diff -u src/tcp_wrappers/tcpdmatch.c:1.1.1.1 src/tcp_wrappers/tcpdmatch.c:1.7 +--- src/tcp_wrappers/tcpdmatch.c:1.1.1.1 Tue May 4 21:56:04 1999 ++++ src/tcp_wrappers/tcpdmatch.c Fri May 5 19:06:40 2000 +@@ -57,7 +57,11 @@ + int argc; + char **argv; + { ++#ifdef INET6 ++ struct addrinfo hints, *hp, *res; ++#else + struct hostent *hp; ++#endif + char *myname = argv[0]; + char *client; + char *server; +@@ -68,8 +72,13 @@ + int ch; + char *inetcf = 0; + int count; ++#ifdef INET6 ++ struct sockaddr_storage server_sin; ++ struct sockaddr_storage client_sin; ++#else + struct sockaddr_in server_sin; + struct sockaddr_in client_sin; ++#endif + struct stat st; + + /* +@@ -172,13 +181,20 @@ + if (NOT_INADDR(server) == 0 || HOSTNAME_KNOWN(server)) { + if ((hp = find_inet_addr(server)) == 0) + exit(1); ++#ifndef INET6 + memset((char *) &server_sin, 0, sizeof(server_sin)); + server_sin.sin_family = AF_INET; ++#endif + request_set(&request, RQ_SERVER_SIN, &server_sin, 0); + ++#ifdef INET6 ++ for (res = hp, count = 0; res; res = res->ai_next, count++) { ++ memcpy(&server_sin, res->ai_addr, res->ai_addrlen); ++#else + for (count = 0; (addr = hp->h_addr_list[count]) != 0; count++) { + memcpy((char *) &server_sin.sin_addr, addr, + sizeof(server_sin.sin_addr)); ++#endif + + /* + * Force evaluation of server host name and address. Host name +@@ -194,7 +210,11 @@ + fprintf(stderr, "Please specify an address instead\n"); + exit(1); + } ++#ifdef INET6 ++ freeaddrinfo(hp); ++#else + free((char *) hp); ++#endif + } else { + request_set(&request, RQ_SERVER_NAME, server, 0); + } +@@ -208,6 +228,18 @@ + tcpdmatch(&request); + exit(0); + } ++#ifdef INET6 ++ memset(&hints, 0, sizeof(hints)); ++ hints.ai_family = AF_INET6; ++ hints.ai_socktype = SOCK_STREAM; ++ hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST; ++ if (getaddrinfo(client, NULL, &hints, &res) == 0) { ++ freeaddrinfo(res); ++ request_set(&request, RQ_CLIENT_ADDR, client, 0); ++ tcpdmatch(&request); ++ exit(0); ++ } ++#endif + + /* + * Perhaps they are testing special client hostname patterns that aren't +@@ -229,6 +261,34 @@ + */ + if ((hp = find_inet_addr(client)) == 0) + exit(1); ++#ifdef INET6 ++ request_set(&request, RQ_CLIENT_SIN, &client_sin, 0); ++ ++ for (res = hp, count = 0; res; res = res->ai_next, count++) { ++ memcpy(&client_sin, res->ai_addr, res->ai_addrlen); ++ ++ /* ++ * getnameinfo() doesn't do reverse lookup against link-local ++ * address. So, we pass through host name evaluation against ++ * such addresses. ++ */ ++ if (res->ai_family != AF_INET6 || ++ !IN6_IS_ADDR_LINKLOCAL(&((struct sockaddr_in6 *)res->ai_addr)->sin6_addr)) { ++ /* ++ * Force evaluation of client host name and address. Host name ++ * conflicts will be reported while eval_hostname() does its job. ++ */ ++ request_set(&request, RQ_CLIENT_NAME, "", RQ_CLIENT_ADDR, "", 0); ++ if (STR_EQ(eval_hostname(request.client), unknown)) ++ tcpd_warn("host address %s->name lookup failed", ++ eval_hostaddr(request.client)); ++ } ++ tcpdmatch(&request); ++ if (res->ai_next) ++ printf("\n"); ++ } ++ freeaddrinfo(hp); ++#else + memset((char *) &client_sin, 0, sizeof(client_sin)); + client_sin.sin_family = AF_INET; + request_set(&request, RQ_CLIENT_SIN, &client_sin, 0); +@@ -250,6 +310,7 @@ + printf("\n"); + } + free((char *) hp); ++#endif + exit(0); + } + +Index: src/tcp_wrappers/tli.c +diff -u src/tcp_wrappers/tli.c:1.1.1.1 src/tcp_wrappers/tli.c:1.4 +--- src/tcp_wrappers/tli.c:1.1.1.1 Tue May 4 21:56:04 1999 ++++ src/tcp_wrappers/tli.c Fri May 5 19:15:09 2000 +@@ -65,8 +65,13 @@ + void tli_host(request) + struct request_info *request; + { ++#ifdef INET6 ++ static struct sockaddr_storage client; ++ static struct sockaddr_storage server; ++#else + static struct sockaddr_in client; + static struct sockaddr_in server; ++#endif + + /* + * If we discover that we are using an IP transport, pretend we never +@@ -76,14 +81,29 @@ + + tli_endpoints(request); + if ((request->config = tli_transport(request->fd)) != 0 ++#ifdef INET6 ++ && (STR_EQ(request->config->nc_protofmly, "inet") || ++ STR_EQ(request->config->nc_protofmly, "inet6"))) { ++#else + && STR_EQ(request->config->nc_protofmly, "inet")) { ++#endif + if (request->client->unit != 0) { ++#ifdef INET6 ++ client = *(struct sockaddr_storage *) request->client->unit->addr.buf; ++ request->client->sin = (struct sockaddr *) &client; ++#else + client = *(struct sockaddr_in *) request->client->unit->addr.buf; + request->client->sin = &client; ++#endif + } + if (request->server->unit != 0) { ++#ifdef INET6 ++ server = *(struct sockaddr_storage *) request->server->unit->addr.buf; ++ request->server->sin = (struct sockaddr *) &server; ++#else + server = *(struct sockaddr_in *) request->server->unit->addr.buf; + request->server->sin = &server; ++#endif + } + tli_cleanup(request); + sock_methods(request); +@@ -187,7 +207,15 @@ + } + while (config = getnetconfig(handlep)) { + if (stat(config->nc_device, &from_config) == 0) { ++#ifdef NO_CLONE_DEVICE ++ /* ++ * If the network devices are not cloned (as is the case for ++ * Solaris 8 Beta), we must compare the major device numbers. ++ */ ++ if (major(from_config.st_rdev) == major(from_client.st_rdev)) ++#else + if (minor(from_config.st_rdev) == major(from_client.st_rdev)) ++#endif + break; + } + } +Index: src/tcp_wrappers/update.c +diff -u src/tcp_wrappers/update.c:1.1.1.1 src/tcp_wrappers/update.c:1.3 +--- src/tcp_wrappers/update.c:1.1.1.1 Tue May 4 21:56:04 1999 ++++ src/tcp_wrappers/update.c Mon Aug 23 01:32:43 1999 +@@ -46,10 +46,18 @@ + request->fd = va_arg(ap, int); + continue; + case RQ_CLIENT_SIN: ++#ifdef INET6 ++ request->client->sin = va_arg(ap, struct sockaddr *); ++#else + request->client->sin = va_arg(ap, struct sockaddr_in *); ++#endif + continue; + case RQ_SERVER_SIN: ++#ifdef INET6 ++ request->server->sin = va_arg(ap, struct sockaddr *); ++#else + request->server->sin = va_arg(ap, struct sockaddr_in *); ++#endif + continue; + + /* +Index: src/tcp_wrappers/workarounds.c +diff -u src/tcp_wrappers/workarounds.c:1.1.1.1 src/tcp_wrappers/workarounds.c:1.3 +--- src/tcp_wrappers/workarounds.c:1.1.1.1 Tue May 4 21:56:04 1999 ++++ src/tcp_wrappers/workarounds.c Mon Aug 23 01:32:43 1999 +@@ -166,11 +166,22 @@ + int *len; + { + int ret; ++#ifdef INET6 ++ struct sockaddr *sin = sa; ++#else + struct sockaddr_in *sin = (struct sockaddr_in *) sa; ++#endif + + if ((ret = getpeername(sock, sa, len)) >= 0 ++#ifdef INET6 ++ && ((sin->su_si.si_family == AF_INET6 ++ && IN6_IS_ADDR_UNSPECIFIED(&sin->su_sin6.sin6_addr)) ++ || (sin->su_si.si_family == AF_INET ++ && sin->su_sin.sin_addr.s_addr == 0))) { ++#else + && sa->sa_family == AF_INET + && sin->sin_addr.s_addr == 0) { ++#endif + errno = ENOTCONN; + return (-1); + } else { +--- src/tcp_wrappers/hosts_access.c 2003-08-04 21:36:20.000000000 +0000 ++++ src/tcp_wrappers/hosts_access.c 2003-08-04 21:45:59.000000000 +0000 +@@ -24,7 +24,13 @@ + /* System libraries. */ + + #include <sys/types.h> ++#ifdef INT32_T ++ typedef uint32_t u_int32_t; ++#endif + #include <sys/param.h> ++#ifdef INET6 ++#include <sys/socket.h> ++#endif + #include <netinet/in.h> + #include <arpa/inet.h> + #include <stdio.h> +@@ -33,6 +39,9 @@ + #include <errno.h> + #include <setjmp.h> + #include <string.h> ++#ifdef INET6 ++#include <netdb.h> ++#endif + + extern char *fgets(); + extern int errno; +@@ -83,6 +92,10 @@ + static int host_match(); + static int string_match(); + static int masked_match(); ++#ifdef INET6 ++static int masked_match4(); ++static int masked_match6(); ++#endif + + /* Size of logical line buffer. */ + +@@ -312,6 +325,13 @@ + { + int n; + ++#ifdef INET6 ++ /* convert IPv4 mapped IPv6 address to IPv4 address */ ++ if (STRN_EQ(string, "::ffff:", 7) ++ && dot_quad_addr(string + 7) != INADDR_NONE) { ++ string += 7; ++ } ++#endif + #ifndef DISABLE_WILDCARD_MATCHING + if (strchr(tok, '*') || strchr(tok,'?')) { /* contains '*' or '?' */ + /* we must convert the both to lowercase as match_pattern_ylo is case-sensitive */ +@@ -333,21 +353,72 @@ + } else if (tok[(n = strlen(tok)) - 1] == '.') { /* prefix */ + return (STRN_EQ(tok, string, n)); + } else { /* exact match */ ++#ifdef INET6 ++ struct addrinfo hints, *res; ++ struct sockaddr_in6 pat, addr; ++ int len, ret; ++ char ch; ++ ++ len = strlen(tok); ++ if (*tok == '[' && tok[len - 1] == ']') { ++ ch = tok[len - 1]; ++ tok[len - 1] = '\0'; ++ memset(&hints, 0, sizeof(hints)); ++ hints.ai_family = AF_INET6; ++ hints.ai_socktype = SOCK_STREAM; ++ hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST; ++ if ((ret = getaddrinfo(tok + 1, NULL, &hints, &res)) == 0) { ++ memcpy(&pat, res->ai_addr, sizeof(pat)); ++ freeaddrinfo(res); ++ } ++ tok[len - 1] = ch; ++ if (ret != 0 || getaddrinfo(string, NULL, &hints, &res) != 0) ++ return NO; ++ memcpy(&addr, res->ai_addr, sizeof(addr)); ++ freeaddrinfo(res); ++#ifdef NI_WITHSCOPEID ++ if (pat.sin6_scope_id != 0 && ++ addr.sin6_scope_id != pat.sin6_scope_id) ++ return NO; ++#endif ++ return (!memcmp(&pat.sin6_addr, &addr.sin6_addr, ++ sizeof(struct in6_addr))); ++ return (ret); ++ } ++#endif + return (STR_EQ(tok, string)); + } + } + + /* masked_match - match address against netnumber/netmask */ + ++#ifdef INET6 + static int masked_match(net_tok, mask_tok, string) + char *net_tok; + char *mask_tok; + char *string; + { ++ return (masked_match4(net_tok, mask_tok, string) || ++ masked_match6(net_tok, mask_tok, string)); ++} ++ ++static int masked_match4(net_tok, mask_tok, string) ++#else ++static int masked_match(net_tok, mask_tok, string) ++#endif ++char *net_tok; ++char *mask_tok; ++char *string; ++{ ++#ifdef INET6 ++ u_int32_t net; ++ u_int32_t mask; ++ u_int32_t addr; ++#else + unsigned long net; + unsigned long mask; + unsigned long addr; +- ++#endif + /* + * Disallow forms other than dotted quad: the treatment that inet_addr() + * gives to forms with less than four components is inconsistent with the +@@ -358,12 +429,81 @@ + return (NO); + if ((net = dot_quad_addr(net_tok)) == INADDR_NONE + || (mask = dot_quad_addr(mask_tok)) == INADDR_NONE) { ++#ifndef INET6 + tcpd_warn("bad net/mask expression: %s/%s", net_tok, mask_tok); ++#endif + return (NO); /* not tcpd_jump() */ + } + return ((addr & mask) == net); + } + ++#ifdef INET6 ++static int masked_match6(net_tok, mask_tok, string) ++char *net_tok; ++char *mask_tok; ++char *string; ++{ ++ struct addrinfo hints, *res; ++ struct sockaddr_in6 net, addr; ++ u_int32_t mask; ++ int len, mask_len, i = 0; ++ char ch; ++ ++ /* ++ * Behavior of getaddrinfo() against IPv4-mapped IPv6 address is ++ * different between KAME and Solaris8. While KAME returns ++ * AF_INET6, Solaris8 returns AF_INET. So, we avoid this here. ++ */ ++ if (STRN_EQ(string, "::ffff:", 7) ++ && dot_quad_addr(string + 7) != INADDR_NONE) ++ return (masked_match4(net_tok, mask_tok, string + 7)); ++ ++ memset(&hints, 0, sizeof(hints)); ++ hints.ai_family = AF_INET6; ++ hints.ai_socktype = SOCK_STREAM; ++ hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST; ++ if (getaddrinfo(string, NULL, &hints, &res) != 0) ++ return NO; ++ memcpy(&addr, res->ai_addr, sizeof(addr)); ++ freeaddrinfo(res); ++ ++ /* match IPv6 address against netnumber/prefixlen */ ++ len = strlen(net_tok); ++ if (*net_tok != '[' || net_tok[len - 1] != ']') ++ return NO; ++ ch = net_tok[len - 1]; ++ net_tok[len - 1] = '\0'; ++ if (getaddrinfo(net_tok + 1, NULL, &hints, &res) != 0) { ++ net_tok[len - 1] = ch; ++ return NO; ++ } ++ memcpy(&net, res->ai_addr, sizeof(net)); ++ freeaddrinfo(res); ++ net_tok[len - 1] = ch; ++ if ((mask_len = atoi(mask_tok)) < 0 || mask_len > 128) ++ return NO; ++ ++#ifdef NI_WITHSCOPEID ++ if (net.sin6_scope_id != 0 && addr.sin6_scope_id != net.sin6_scope_id) ++ return NO; ++#endif ++ while (mask_len > 0) { ++ if (mask_len < 32) { ++ mask = htonl(~(0xffffffff >> mask_len)); ++ if ((*(u_int32_t *)&addr.sin6_addr.s6_addr[i] & mask) != (*(u_int32_t *)&net.sin6_addr.s6_addr[i] & mask)) ++ return NO; ++ break; ++ } ++ if (*(u_int32_t *)&addr.sin6_addr.s6_addr[i] != *(u_int32_t *)&net.sin6_addr.s6_addr[i]) ++ return NO; ++ i += 4; ++ mask_len -= 32; ++ } ++ return YES; ++} ++#endif /* INET6 */ ++ ++ + #ifndef DISABLE_WILDCARD_MATCHING + /* Note: this feature has been adapted in a pretty straightforward way + from Tatu Ylonen's last SSH version under free license by +--- src/tcp_wrappers/hosts_access.5 2003-08-04 21:52:29.000000000 +0000 ++++ src/tcp_wrappers/hosts_access.5 2003-08-04 21:53:39.000000000 +0000 +@@ -85,7 +85,7 @@ + for daemon process names or for client user names. + .IP \(bu + An expression of the form `n.n.n.n/m.m.m.m\' is interpreted as a +-`net/mask\' pair. A host address is matched if `net\' is equal to the ++`net/mask\' pair. A IPv4 host address is matched if `net\' is equal to the + bitwise AND of the address and the `mask\'. For example, the net/mask + pattern `131.155.72.0/255.255.254.0\' matches every address in the + range `131.155.72.0\' through `131.155.73.255\'. +@@ -96,6 +96,13 @@ + zero or more lines with zero or more host name or address patterns + separated by whitespace. A file name pattern can be used anywhere + a host name or address pattern can be used. ++.IP \(bu ++An expression of the form `[n:n:n:n:n:n:n:n]/m\' is interpreted as a ++`[net]/prefixlen\' pair. A IPv6 host address is matched if ++`prefixlen\' bits of `net\' is equal to the `prefixlen\' bits of the ++address. For example, the [net]/prefixlen pattern ++`[3ffe:505:2:1::]/64\' matches every address in the range ++`3ffe:505:2:1::\' through `3ffe:505:2:1:ffff:ffff:ffff:ffff\'. + .SH WILDCARDS + The access control language supports explicit wildcards: + .IP ALL |