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ruby--ruby/ext/socket/extconf.rb
akr 1580dd29dd * ext/socket/extconf.rb: don't test ss_family and ss_len member of
struct sockaddr_storage.  They are not used now except SunOS
  specific code.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39483 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-02-25 03:40:16 +00:00

523 lines
14 KiB
Ruby

require 'mkmf'
$INCFLAGS << " -I$(topdir) -I$(top_srcdir)"
case RUBY_PLATFORM
when /(ms|bcc)win(32|64)|mingw/
test_func = "WSACleanup"
have_library("ws2_32", "WSACleanup")
when /cygwin/
test_func = "socket"
when /beos/
test_func = "socket"
have_library("net", "socket")
when /haiku/
test_func = "socket"
have_library("network", "socket")
when /i386-os2_emx/
test_func = "socket"
have_library("socket", "socket")
else
test_func = "socket"
have_library("nsl", "t_open") # SunOS
have_library("socket", "socket") # SunOS
end
headers = []
unless $mswin or $bccwin or $mingw
headers = %w<sys/types.h netdb.h string.h sys/socket.h netinet/in.h>
end
%w[
sys/uio.h
xti.h
netinet/in_systm.h
netinet/tcp.h
netinet/udp.h
arpa/inet.h
sys/un.h
ifaddrs.h
sys/ioctl.h
sys/sockio.h
net/if.h
sys/param.h
sys/ucred.h
ucred.h
arpa/nameser.h
resolv.h
].each {|h|
if have_header(h, headers)
headers << h
end
}
have_struct_member("struct sockaddr", "sa_len", headers) # 4.4BSD
have_struct_member("struct sockaddr_in", "sin_len", headers) # 4.4BSD
if have_type("struct sockaddr_un", headers) # POSIX
have_struct_member("struct sockaddr_un", "sun_len", headers) # 4.4BSD
end
have_type("struct sockaddr_storage", headers)
have_type("struct addrinfo", headers)
have_type("socklen_t", headers)
have_type("struct in_pktinfo", headers) {|src|
src.sub(%r'^/\*top\*/', '\&'"\n#if defined(IPPROTO_IP) && defined(IP_PKTINFO)") <<
"#else\n" << "#error\n" << ">>>>>> no in_pktinfo <<<<<<\n" << "#endif\n"
} and have_struct_member("struct in_pktinfo", "ipi_spec_dst", headers)
have_type("struct in6_pktinfo", headers) {|src|
src.sub(%r'^/\*top\*/', '\&'"\n#if defined(IPPROTO_IPV6) && defined(IPV6_PKTINFO)") <<
"#else\n" << "#error\n" << ">>>>>> no in6_pktinfo <<<<<<\n" << "#endif\n"
}
have_type("struct sockcred", headers)
have_type("struct cmsgcred", headers)
have_type("struct ip_mreq", headers) # 4.4BSD
have_type("struct ip_mreqn", headers) # Linux 2.4
have_type("struct ipv6_mreq", headers) # RFC 3493
have_struct_member('struct msghdr', 'msg_control', headers) unless $mswin or $mingw
have_struct_member('struct msghdr', 'msg_accrights', headers)
if have_func(test_func, headers)
have_func("sendmsg", headers)
have_func("recvmsg", headers)
have_func("freehostent", headers)
have_func("freeaddrinfo", headers)
if /haiku/ !~ RUBY_PLATFORM and have_func("gai_strerror", headers)
if checking_for("gai_strerror() returns const pointer") {!try_compile(<<EOF)}
#{cpp_include(headers)}
#include <stdlib.h>
void
conftest_gai_strerror_is_const()
{
*gai_strerror(0) = 0;
}
EOF
$defs << "-DGAI_STRERROR_CONST"
end
end
have_func("accept4", headers)
have_func('inet_ntop(0, (const void *)0, (char *)0, 0)', headers) or
have_func("inet_ntoa(*(struct in_addr *)NULL)", headers)
have_func('inet_pton(0, "", (void *)0)', headers) or have_func('inet_aton("", (struct in_addr *)0)', headers)
have_func('getservbyport(0, "")', headers)
have_func("getifaddrs", headers)
have_func("getpeereid", headers)
have_func("getpeerucred", headers)
have_func("if_indextoname", headers)
have_func("hsterror", headers)
have_func("getipnodebyname", headers)
have_func("gethostbyname2", headers)
if !have_func("socketpair(0, 0, 0, 0)", headers) and have_func("rb_w32_socketpair(0, 0, 0, 0)", headers)
$defs << "-Dsocketpair(a,b,c,d)=rb_w32_socketpair((a),(b),(c),(d))"
$defs << "-DHAVE_SOCKETPAIR"
end
unless have_func("gethostname((char *)0, 0)", headers)
have_func("uname", headers)
end
ipv6 = false
default_ipv6 = /cygwin|beos|haiku/ !~ RUBY_PLATFORM
if enable_config("ipv6", default_ipv6)
if checking_for("ipv6") {try_link(<<EOF)}
#include <sys/types.h>
#ifndef _WIN32
#include <sys/socket.h>
#endif
int
main(void)
{
socket(AF_INET6, SOCK_STREAM, 0);
return 0;
}
EOF
$defs << "-DENABLE_IPV6" << "-DINET6"
ipv6 = true
end
end
if ipv6
if $mingw
$CPPFLAGS << " -D_WIN32_WINNT=0x501" unless $CPPFLAGS.include?("_WIN32_WINNT")
end
ipv6lib = nil
class << (fmt = "unknown")
def %(s) s || self end
end
idirs, ldirs = dir_config("inet6", %w[/usr/inet6 /usr/local/v6].find {|d| File.directory?(d)})
checking_for("ipv6 type", fmt) do
if have_macro("IPV6_INRIA_VERSION", "netinet/in.h")
"inria"
elsif have_macro("__KAME__", "netinet/in.h")
have_library(ipv6lib = "inet6")
"kame"
elsif have_macro("_TOSHIBA_INET6", "sys/param.h")
have_library(ipv6lib = "inet6") and "toshiba"
elsif have_macro("__V6D__", "sys/v6config.h")
have_library(ipv6lib = "v6") and "v6d"
elsif have_macro("_ZETA_MINAMI_INET6", "sys/param.h")
have_library(ipv6lib = "inet6") and "zeta"
elsif ipv6lib = with_config("ipv6-lib")
warn <<EOS
--with-ipv6-lib and --with-ipv6-libdir option will be obsolete, use
--with-inet6lib and --with-inet6-{include,lib} options instead.
EOS
find_library(ipv6lib, nil, with_config("ipv6-libdir", ldirs)) and
ipv6lib
elsif have_library("inet6")
"inet6"
end
end or not ipv6lib or abort <<EOS
Fatal: no #{ipv6lib} library found. cannot continue.
You need to fetch lib#{ipv6lib}.a from appropriate
ipv6 kit and compile beforehand.
EOS
end
if !have_macro("IPPROTO_IPV6", headers) && have_const("IPPROTO_IPV6", headers)
IO.read(File.join(File.dirname(__FILE__), "mkconstants.rb")).sub(/\A.*^__END__$/m, '').split(/\r?\n/).grep(/\AIPPROTO_\w*/){$&}.each {|name|
have_const(name, headers) unless $defs.include?("-DHAVE_CONST_#{name.upcase}")
}
end
if checking_for("recvmsg() with MSG_PEEK allocate file descriptors") {try_run(cpp_include(headers) + <<'EOF')}
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
int main(int argc, char *argv[])
{
int ps[2], sv[2];
int ret;
ssize_t ss;
int s_fd, r_fd;
struct msghdr s_msg, r_msg;
union {
struct cmsghdr hdr;
char dummy[CMSG_SPACE(sizeof(int))];
} s_cmsg, r_cmsg;
struct iovec s_iov, r_iov;
char s_buf[1], r_buf[1];
struct stat s_statbuf, r_statbuf;
ret = pipe(ps);
if (ret == -1) { perror("pipe"); exit(EXIT_FAILURE); }
s_fd = ps[0];
ret = socketpair(AF_UNIX, SOCK_DGRAM, 0, sv);
if (ret == -1) { perror("socketpair"); exit(EXIT_FAILURE); }
s_msg.msg_name = NULL;
s_msg.msg_namelen = 0;
s_msg.msg_iov = &s_iov;
s_msg.msg_iovlen = 1;
s_msg.msg_control = &s_cmsg;
s_msg.msg_controllen = CMSG_SPACE(sizeof(int));;
s_msg.msg_flags = 0;
s_iov.iov_base = &s_buf;
s_iov.iov_len = sizeof(s_buf);
s_buf[0] = 'a';
s_cmsg.hdr.cmsg_len = CMSG_LEN(sizeof(int));
s_cmsg.hdr.cmsg_level = SOL_SOCKET;
s_cmsg.hdr.cmsg_type = SCM_RIGHTS;
memcpy(CMSG_DATA(&s_cmsg.hdr), (char *)&s_fd, sizeof(int));
ss = sendmsg(sv[0], &s_msg, 0);
if (ss == -1) { perror("sendmsg"); exit(EXIT_FAILURE); }
r_msg.msg_name = NULL;
r_msg.msg_namelen = 0;
r_msg.msg_iov = &r_iov;
r_msg.msg_iovlen = 1;
r_msg.msg_control = &r_cmsg;
r_msg.msg_controllen = CMSG_SPACE(sizeof(int));
r_msg.msg_flags = 0;
r_iov.iov_base = &r_buf;
r_iov.iov_len = sizeof(r_buf);
r_buf[0] = '0';
memset(&r_cmsg, 0xff, CMSG_SPACE(sizeof(int)));
ss = recvmsg(sv[1], &r_msg, MSG_PEEK);
if (ss == -1) { perror("recvmsg"); exit(EXIT_FAILURE); }
if (ss != 1) {
fprintf(stderr, "unexpected return value from recvmsg: %ld\n", (long)ss);
exit(EXIT_FAILURE);
}
if (r_buf[0] != 'a') {
fprintf(stderr, "unexpected return data from recvmsg: 0x%02x\n", r_buf[0]);
exit(EXIT_FAILURE);
}
if (r_msg.msg_controllen < CMSG_LEN(sizeof(int))) {
fprintf(stderr, "unexpected: r_msg.msg_controllen < CMSG_LEN(sizeof(int)) not hold: %ld\n",
(long)r_msg.msg_controllen);
exit(EXIT_FAILURE);
}
if (r_cmsg.hdr.cmsg_len < CMSG_LEN(sizeof(int))) {
fprintf(stderr, "unexpected: r_cmsg.hdr.cmsg_len < CMSG_LEN(sizeof(int)) not hold: %ld\n",
(long)r_cmsg.hdr.cmsg_len);
exit(EXIT_FAILURE);
}
memcpy((char *)&r_fd, CMSG_DATA(&r_cmsg.hdr), sizeof(int));
if (r_fd < 0) {
fprintf(stderr, "negative r_fd: %d\n", r_fd);
exit(EXIT_FAILURE);
}
if (r_fd == s_fd) {
fprintf(stderr, "r_fd and s_fd is same: %d\n", r_fd);
exit(EXIT_FAILURE);
}
ret = fstat(s_fd, &s_statbuf);
if (ret == -1) { perror("fstat(s_fd)"); exit(EXIT_FAILURE); }
ret = fstat(r_fd, &r_statbuf);
if (ret == -1) { perror("fstat(r_fd)"); exit(EXIT_FAILURE); }
if (s_statbuf.st_dev != r_statbuf.st_dev ||
s_statbuf.st_ino != r_statbuf.st_ino) {
fprintf(stderr, "dev/ino doesn't match: s_fd:%ld/%ld r_fd:%ld/%ld\n",
(long)s_statbuf.st_dev, (long)s_statbuf.st_ino,
(long)r_statbuf.st_dev, (long)r_statbuf.st_ino);
exit(EXIT_FAILURE);
}
return EXIT_SUCCESS;
}
EOF
$defs << "-DFD_PASSING_WORK_WITH_RECVMSG_MSG_PEEK"
end
getaddr_info_ok = (enable_config("wide-getaddrinfo") && :wide) ||
(checking_for("wide getaddrinfo") {try_run(<<EOF)} && :os)
#{cpp_include(headers)}
#include <stdlib.h>
#ifndef EXIT_SUCCESS
#define EXIT_SUCCESS 0
#endif
#ifndef EXIT_FAILURE
#define EXIT_FAILURE 1
#endif
#ifndef AF_LOCAL
#define AF_LOCAL AF_UNIX
#endif
int
main(void)
{
int passive, gaierr, inet4 = 0, inet6 = 0;
struct addrinfo hints, *ai, *aitop;
char straddr[INET6_ADDRSTRLEN], strport[16];
#ifdef _WIN32
WSADATA retdata;
WSAStartup(MAKEWORD(2, 0), &retdata);
#endif
for (passive = 0; passive <= 1; passive++) {
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_protocol = IPPROTO_TCP;
hints.ai_flags = passive ? AI_PASSIVE : 0;
hints.ai_socktype = SOCK_STREAM;
if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) {
(void)gai_strerror(gaierr);
goto bad;
}
for (ai = aitop; ai; ai = ai->ai_next) {
if (ai->ai_family == AF_LOCAL) continue;
if (ai->ai_addr == NULL)
goto bad;
#if defined(_AIX)
if (ai->ai_family == AF_INET6 && passive) {
inet6++;
continue;
}
ai->ai_addr->sa_len = ai->ai_addrlen;
ai->ai_addr->sa_family = ai->ai_family;
#endif
if (ai->ai_addrlen == 0 ||
getnameinfo(ai->ai_addr, ai->ai_addrlen,
straddr, sizeof(straddr), strport, sizeof(strport),
NI_NUMERICHOST|NI_NUMERICSERV) != 0) {
goto bad;
}
if (strcmp(strport, "54321") != 0) {
goto bad;
}
switch (ai->ai_family) {
case AF_INET:
if (passive) {
if (strcmp(straddr, "0.0.0.0") != 0) {
goto bad;
}
} else {
if (strcmp(straddr, "127.0.0.1") != 0) {
goto bad;
}
}
inet4++;
break;
case AF_INET6:
if (passive) {
if (strcmp(straddr, "::") != 0) {
goto bad;
}
} else {
if (strcmp(straddr, "::1") != 0) {
goto bad;
}
}
inet6++;
break;
case AF_UNSPEC:
goto bad;
break;
default:
/* another family support? */
break;
}
}
}
if (!(inet4 == 0 || inet4 == 2))
goto bad;
if (!(inet6 == 0 || inet6 == 2))
goto bad;
if (aitop)
freeaddrinfo(aitop);
return EXIT_SUCCESS;
bad:
if (aitop)
freeaddrinfo(aitop);
return EXIT_FAILURE;
}
EOF
if ipv6 and not getaddr_info_ok
abort <<EOS
Fatal: --enable-ipv6 is specified, and your OS seems to support IPv6 feature.
But your getaddrinfo() and getnameinfo() are appeared to be broken. Sorry,
you cannot compile IPv6 socket classes with broken these functions.
You can try --enable-wide-getaddrinfo.
EOS
end
case with_config("lookup-order-hack", "UNSPEC")
when "INET"
$defs << "-DLOOKUP_ORDER_HACK_INET"
when "INET6"
$defs << "-DLOOKUP_ORDER_HACK_INET6"
when "UNSPEC"
# nothing special
else
abort <<EOS
Fatal: invalid value for --with-lookup-order-hack (expected INET, INET6 or UNSPEC)
EOS
end
$objs = [
"init.#{$OBJEXT}",
"constants.#{$OBJEXT}",
"basicsocket.#{$OBJEXT}",
"socket.#{$OBJEXT}",
"ipsocket.#{$OBJEXT}",
"tcpsocket.#{$OBJEXT}",
"tcpserver.#{$OBJEXT}",
"sockssocket.#{$OBJEXT}",
"udpsocket.#{$OBJEXT}",
"unixsocket.#{$OBJEXT}",
"unixserver.#{$OBJEXT}",
"option.#{$OBJEXT}",
"ancdata.#{$OBJEXT}",
"raddrinfo.#{$OBJEXT}"
]
if getaddr_info_ok == :wide or
!have_func("getnameinfo", headers) or !have_func("getaddrinfo", headers)
if have_struct_member("struct in6_addr", "s6_addr8", headers)
$defs[-1] = "s6_addr=s6_addr8"
end
if ipv6 == "kame" && have_struct_member("struct in6_addr", "s6_addr32", headers)
$defs[-1] = "-DFAITH"
end
$CPPFLAGS="-I. "+$CPPFLAGS
$objs += ["getaddrinfo.#{$OBJEXT}"]
$objs += ["getnameinfo.#{$OBJEXT}"]
$defs << "-DGETADDRINFO_EMU"
end
# workaround for recent Windows SDK
$defs << "-DIPPROTO_IPV6=IPPROTO_IPV6" if $defs.include?("-DHAVE_CONST_IPPROTO_IPV6") && !have_macro("IPPROTO_IPV6")
$distcleanfiles << "constants.h" << "constdefs.*"
if enable_config("socks", ENV["SOCKS_SERVER"])
if have_library("socks5", "SOCKSinit")
$defs << "-DSOCKS5" << "-DSOCKS"
elsif have_library("socks", "Rconnect")
$defs << "-DSOCKS"
end
end
hdr = "netinet6/in6.h"
if /darwin/ =~ RUBY_PLATFORM and !try_compile(<<"SRC", nil, :werror=>true)
#include <netinet/in.h>
int t(struct in6_addr *addr) {return IN6_IS_ADDR_UNSPECIFIED(addr);}
SRC
print "fixing apple's netinet6/in6.rb ..."; $stdout.flush
in6 = File.read("/usr/include/#{hdr}")
if in6.gsub!(/\*\(const\s+__uint32_t\s+\*\)\(const\s+void\s+\*\)\(&(\(\w+\))->s6_addr\[(\d+)\]\)/) do
i, r = $2.to_i.divmod(4)
if r.zero?
"#$1->__u6_addr.__u6_addr32[#{i}]"
else
$&
end
end
FileUtils.mkdir_p(File.dirname(hdr))
open(hdr, "w") {|f| f.write(in6)}
$distcleanfiles << hdr
$distcleandirs << File.dirname(hdr)
puts "done"
else
puts "not needed"
end
end
create_makefile("socket")
end